Search Results — 2000 specimen records retrieved (1887 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CSUSB577  Abronia villosa P. A. Rauch 1966-2-19 Riverside 2 miles east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch. 60 Comment
  UCD109811  Abronia villosa Robert C. Bechtel 1952-3-28 33 Riverside Whitewater. 152 Comment
  CSUSB582  Abronia villosa var. villosa Wayne White 1975-5-10 Riverside Chuckwalla Mountains On Highway I-10 near Red Cloud Rd. Colorado Desert; Chuckwalla Mountains. 771 Comment
  RSA461200  Abronia villosa var. villosa H. de Forest, Dr. Freda Detmers 1933-3-24 17154 Riverside Between Beaumont and Banning, roadside just beyond San Gorgonio Pass Comment
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Mar 9 2011
  RSA779627  Abronia villosa var. villosa Duncan S. Bell 2010-4-1 661 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCD128272  Acamptopappus sphaerocephalus William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  POM308641  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3208 Riverside Near Blythe. Comment
  UCR196003  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  RSA34578  Achillea millefolium Robert L. Rutherford 1944-7-2 1490 Riverside Palomar Mtn. 1066 Comment
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Jun 15 2013
  UCR34913  Achillea millefolium L. B. Ziegler 1967-7-27 195 Riverside San Jacinto Mtns., Hemet (Garner) Valley 1387 Comment
  RSA772531  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4417 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 W116.64307 487 Comment
  OBI8297  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12060 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  POM183975  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  RSA175151  Achyronychia cooperi R. F. Thorne 1963-3-29 32395 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 13 2011
  RSA423498B  Achyronychia cooperi Robert L. Dressler 1949-3-19 387 Riverside Box Canyon, Orocopia Mts. Comment
  RSA479851  Achyronychia cooperi L. F. La Pre 1988-4-1 s.n. Riverside Colorado Desert, Palo Verde Mesa, W of Blythe. South of Hwy 1-10 at the W end of 16th St. (approx sec. 4) 99 Comment
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Dec 14 2007
  UCSB23492  Achyronychia cooperi Keefe, Joseph 1967-1-2 Riverside Campground; Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  SD224959  Acmispon argophyllus Scott D. White 1996-3-16 3824 Riverside Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  JOTR34325  Acmispon brachycarpus Andre, Jim 2012-4-11 20828 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  UC2015534  Acmispon maritimus A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15987 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  CHSC109255  Acourtia microcephala Scott D. White; Justin M. Hood 2008-6-18 12202 Riverside Hiking trail from K flat to Apple Canyon Road. T 5S, 6S R 3E S33, 4. 33 deg. 4241 min. N; 116 deg. 40 min W. 1396 Comment
  RSA171094  Acourtia microcephala R. F. Thorne 1963-7-26 32822 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  RSA588171  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 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., 33 deg 27'.024 N - 116 deg 57'.923 W. 597 Comment
  RSA701117  Acourtia microcephala M. Wall 1996-7-22 179 Riverside S. of Beaumont, Hwy 79, 2.6 mi S of Fwy 10 on E slopes off dirt rd. 610 Comment
  CAS-BOT-BC22561  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  RSA613428  Adenostoma fasciculatum var. fasciculatum D. L. Banks 1997-4-5 1664 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
  RSA543836  Adiantum jordanii Steve Boyd, Orlando Mistretta 1991-5-22 6289 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA783270  Adiantum jordanii J. D. Olmsted 1959-4-23 458 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona 716 Comment
  UC4152  Agave deserti H. M. Hall Jun 1901 2117 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); Colorado Desert Comment
  UCD53277  Agrostis scabra Katharine Brandegee Date Unknown s.n. Riverside Sage. (note by georeferencer at UCD: Sage is in Riverside County at ca. 2500 ft. elevation estimated by georeferencer. Other collections by Brandegee from Sage Mill have been placed in Fresno or Madera Counties. This label just says Sage.) 762 Comment
  UCR202610  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR57207  Agrostis viridis Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  SD187477  Ailanthus altissima Scott D. White, Angelia Carey 2004-4-16 10152 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes 548 Comment
  JEPS61263  Allionia incarnata L. M. Newlon 1922-4-4 446 Riverside San Jacinto Mountains, Andreas Canyon Andreas Canyon; San Jacinto Mountains, Andreas Canyon Comment
  POM13892  Allionia incarnata P. A. Munz, D. D. Keck 1922-4-9 4828 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA69992  Allionia incarnata F. W. Peirson 1922-12-28 5221 Riverside Andreas Canyon near Palm Springs Comment
  RSA793264  Allionia incarnata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 146 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  UCR75075  Allionia incarnata A. C. Sanders, E. J. Lawlor 1992-4-4 12134 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA715375  Allium A. C. Sanders 1999-4-28 22709 -B Riverside Riverside, UCR Botanic Garden. 351 Comment
  UCR172135  Allium cepa A. C. Sanders 2006-5-11 32251 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  POM147851  Allium haematochiton J. B. Feudge 1927-4-7 1631 Riverside Beaumont. 671 Comment
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Dec 13 2016
  RSA524402  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4094 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
  RSA666659  Allium haematochiton A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  RSA716726  Allium haematochiton Fred M. Roberts 2005-5-13 6190 Riverside Santa Ana Mtns.: vicinity of Elsinore Peak, along Main Divide Truck Tail, 0.72km W summit of Elsinore Peak. 1006 Comment
  SEINET269551  Allium haematochiton Michael A. Patten 1992-4-29 Riverside Temecula area: Pala Road northwest side of bridge over Temecula Creek. Comment
  JEPS34548  Allium lacunosum W. L. Jepson May 17 1901-Jun 1 1901 1392 Riverside Palm Canyon to Van de Venter's 1280 Comment
  SD119912  Allium lacunosum var. davisiae Louis B. Ziegler 1967-6-27 181 Riverside San Jacinto Mountains, Hemet Valley, on flat on top of Pleistocene Sedimentaries, Morris Ranch Road area. 1615 Comment
  RSA343873  Allium lacunosum var. lacunosum Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60652 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA770513  Allium munzii S. Mashayekhi, Steve Boyd, D. Buck, J. Mendosa 2010-4-22 SM 047 Riverside Top of Estelle Mt. Drainage to Dawson Canyon Comment
  UCR230056  Allium munzii Tara Schoenwetter 2011-4-16 s.n. Riverside Peninsular Range, Alberhill, off Lake St. at Alberhill Mountain, N of Coal Ave./Nichols Rd. extension 421 Comment
  UCR91459  Allium praecox Scott D. White 1995-3-30 2676 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  SD232282  Allophyllum divaricatum Scott D. White, Junstin M. Wood 2008-6-18 12205 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  RSA586312  Allophyllum glutinosum D. L. Banks, S. D. Boyd 1995-5-3 0223 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR281272  Allophyllum glutinosum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 30 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  LA204065  Alnus rhombifolia Louis C. Wheeler; 1933-12-2 2301 Riverside San Jacinto Mountains, Tahquitz Canyon 2438 Comment
  UC1199819  Alnus rhombifolia Herbert L. Mason 1928-3-10 4174 Riverside Snow Creek-White Water River Valley Colorado Desert Comment
  SEINET10904656  Alnus rhombifolia James S. Miller 1992-5-8 Miller 7470 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  CLARK-A1528-1056  Alternanthera repens Oscar F. Clarke 1964-6-20 525 Riverside Riverside Comment
  JOTR35166  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  JOTR32600  Amaranthus fimbriatus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2666 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA644209  Amaranthus fimbriatus V. W. Steinmann 1999-10-26 1419 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UCR272653  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7573 Riverside along Eagle Mountain Road north of Hwy I-10, at large wash crossin west of Desert Center, western Chuckwalla Valley Comment
  CAS-BOT-BC502099  Amaranthus hybridus R. E. Riefner, Jr. 2015-10-22 15 -419 Riverside Perris/Sun City area, E side of I-215, W side of Encanto Dr. between Rouse Rd. and Shadel Rd. 450 Comment
  SFV7070  Amaranthus palmeri T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 770 Riverside Blythe. Adjacent to small oxbow lake just north of Collis Mayflower County Park. 85 Comment
  UCR111760  Amaranthus palmeri S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR163092  Amaranthus palmeri B. G. Pitzer, G. R. Ballmer 2000-10-14 4226 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  UCR260949  Amaranthus palmeri Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6020 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  CAS-BOT-BC13614  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  RSA772532  Ambrosia acanthicarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4482 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
  SEINET2073811  Ambrosia acanthicarpa S. Rhodes 2000-9-14 148 Riverside Desert Center, Dillon Road exit off I-10, sandy, disturbed area in Larrea tridentata desert. 274 Comment
  IRVC731  Ambrosia dumosa A. S. Boughey 1965-3-15 105 Riverside Above Palm Springs. northern Sonoran Desert 457 Comment
  RSA655079  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA696749  Ambrosia dumosa J. Russell Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  SEINET10882135  Ambrosia dumosa Billy Joe Cox 1975-4-23 Cox 4157 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe). Riverside-Imperial Co. 70 Comment
  SFV9294  Ambrosia salsola D. H. Hoover 1968-3-23 68 43A Riverside Colorado Desert Morongo Valley. North of Palm Springs area. Comment
  UCR281019  Ambrosia salsola var. salsola Fred M. Roberts 2016-3-5 7998 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  JEPS35490  Amorpha fruticosa W. L. Jepson May 17 1901-Jun 1 1901 1343 Riverside near VanDeventers (towards Palm Canyon) Comment
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Feb 24 2013
  RSA500571  Amorpha fruticosa Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3580 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  POM343354  Amsinckia intermedia F. R. Fosberg 1983-4-23 64197 Riverside Lower Whitewater Canyon Comment
  RSA0089621  Amsinckia intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall 2010-4-12 4572 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 525 Comment
  SDSU18981  Amsinckia intermedia C. Matt Guilliams 2008-2-27 488 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  SDSU18982  Amsinckia intermedia C. Matt Guilliams, Jeannine Ross 2008-3-5 496 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR213597  Amsinckia intermedia A. C. Sanders, Matthew Malle 2010-4-23 37985 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA0089610  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  RSA0089611  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  RSA0089620  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  UCR116600  Amsinckia tessellata A. C. Sanders 2001-4-8 23986 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  RSA775344  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5015 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 W116.66013 750 Comment
  UCR244876  Amsinckia tessellata var. tessellata Jim Andre 2012-3-19 21398 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  RSA201888  Amsonia brevifolia var. tomentosa I. T. Weeks 1930-3-30 31100 Riverside Munsen Canyon, Eagle Mts. Comment
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Jul 5 2010
  JEPS5096  Amsonia tomentosa Roxana S. Ferris and R. Bacigalupi 1953-4-20 12637 Riverside ca. 4 mi. n. of Shaver summit (rd. to Lost Palms Canyon) 883 Comment
  UC878733  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5882 Riverside 1/2 mi. below Cottonwood Spring Comment
  RSA525325  Ancistrocarphus filagineus Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4456 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  CAS-BOT-BC226955  Anemopsis californica A. C. Sanders; John F. Green 2012-5-27 40213 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  UCR4532  Anemopsis californica John Dean 1965-5-26 s.n. Riverside Peninsular Range, At ranch headquarters on road [R3] half way between Temecula Road [Hwy 79] and Sage 305 Comment
  JOTR29574  Anisocoma acaulis Andre, Jim 2006-4-26 6778 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  RSA736898  Antirrhinum coulterianum Scott D. White, Justin M. Wood 2008-4-16 11888 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  SBBG117123  Antirrhinum coulterianum J. Chandler 2003-6-24 Riverside across from 42525 Wildwood Lane, Aguanga Comment
  UCR231814  Antirrhinum coulterianum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 11 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  JOTR01204  Antirrhinum coulterianum Cole, James E. 1941-5-3 833 Riverside Joshua Tree National Park. FLAT EAST OF QUAIL MOUNTAIN 1402 Comment
  RSA0010950  Antirrhinum coulterianum Doris Bowers 1972-4-15 1805 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  POM14066  Antirrhinum filipes Philip A. Munz, D. D. Keck 1922-4-9 4868 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCR126175  Antirrhinum filipes Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley/Santa Rosa Mountains, Cathedral Canyon, east side of the housing development called 'The Cove 152 Comment
  UCR230912  Antirrhinum nuttallianum T. B. Salvato, Richard Camacho 2011-6-12 5485 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
  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
  RSA561086  Aphanes arvensis Steve D. Boyd 1992-4-22 6995 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CAS-BOT-BC447695  Aphanes occidentalis Steve Boyd 1992-4-14 6815 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western edge of Oak Flats area along Bluewater Tr. from Verdugo Tr. S to crest of ridge W side 792 Comment
  POM20025  Apium graveolens Mary F. Spencer 1923-6-5 2205 Riverside Saboba Hot Springs. 518 Comment
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Apr 1 2013
  RSA783071  Aquilegia truncata J. D. Olmsted 1958-9-21 s.n. Riverside N. fk. San Jacinto River drainage area. Dark Canyon just above its intersection with the Banning Idyllwild road. 1509 Comment
  UCR138766  Arabis glabra Scott D. White 1997-5-18 5160 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  POM354173  Arceuthobium campylopodum M. B. Dunkle 1933-7-21 3735 Riverside Idyllwild. 1616 Comment
  SEINET10320300  Arceuthobium campylopodum E. G. Anderson 1935-8-21 6574 Riverside Idyllwild-Banning. 1650 Comment
  RSA629147  Arctostaphylos Jon E. Keeley 1992-7-17 16767 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA697538  Arctostaphylos bicolor J. Russell Bruff 1929-1-1 410 Riverside Roadside foot of Jackrabbit Grade. Comment
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Mar 20 2011
  RSA629430  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16842 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  RSA629469  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  SD217272  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6655 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness; lower half of Tenaja Canyon especially about Fisherman/s Camp Comment
  UC1137198  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-6-18 Riverside Sierra Peak Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  RSA629465  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16833 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA633581  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22528 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633582  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22523 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633677  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20128 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635304  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22536 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  POM367423  Arctostaphylos pringlei subsp. drupacea N. C. Cooper 1944-5-20 1280 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UC535009  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside one and one-half mi from Idyllwild (on road to Banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  RSA636181  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19540 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  RSA636182  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19538 Riverside West of Temecula, north-facing slopes off Carancho Rd., 2.8 km west of Via Volcano, eastern Santa Margarita Mtns. 320 Comment
  UC1979623  Arctostaphylos rainbowensis D. L Banks, Steve Boyd 1995-3-15 0076 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  UCR252765  Arctostaphylos rainbowensis John Dvorak, Ana Hernandez 2012-4-5 021 Riverside Peninsular Range, 1.2 kilometers, 353 degree bearing from the intersection of Anderson Road and Rainbow Heights Road, Hills north of Rainbow Conservation Camp State facility 599 Comment
  UCR21915  Arenaria douglasii Steve Boyd 1980-5-8 211 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR120913  Argemone munita A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24952 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  LA9315  Aristida adscensionis A. N. Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  RSA552745  Aristida adscensionis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6677 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA704195  Aristida adscensionis Gary D. Wallace 1982-5-15 1996 Riverside Palms to Pines Highway, 7 level hill. Comment
  SD27948  Aristida adscensionis Carl B. Wolf 1932-4-27 2987 Riverside Colorado desert, 14 miles east of Mecca on Blythe Road (east of Shavers well). 152 Comment
  RSA27422  Aristida adscensionis var. abortiva C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring. Comment
  UC576345  Aristida purpurea var. fendleriana H. S. Yates 1937-6-27 6722 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  UCR2173  Aristida purpurea var. purpurea F. M. Reed 1906-7-8 1129 Riverside Plains near the Salt Lake RR, West Riverside Comment
  SDSU12943  Artemisia californica Jutta Buschbom 1991-5-1 12 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  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
  CAS-BOT-BC90768  Artemisia ludoviciana subsp. ludoviciana F. A. M. 1936-3-20 14543 Riverside Desert Hills, Morongo Valley Comment
  CAS-BOT-BC93478  Artemisia tridentata subsp. tridentata H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs along route 79 Comment
  UCR117684  Asclepias californica V. W. Steinmann, D. L. Banks 1997-3-13 1199 Riverside Agua Tibia Mtns., N of Hwy 79 on the low hills just east of Dripping Springs alcove and west of Lake Marina Road. 550 Comment
  UCR178846  Asclepias californica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 393 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR43756  Asclepias californica A. C. Sanders, B. Pitzer 1986-4-30 6488 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  RSA0027938  Asclepias californica John F. Emmel 1992-5-16 1223 Riverside San Jacinto Mts: Along north shore of Lake Hemet, 1.5 air mi due west of Lake Hemet Store. 1326 Comment
  UCR89693  Asclepias erosa J. M. Stewart 1990-10-22 663 Riverside Sonoran (Colorado) Desert, Ford Dry Lake off I-10, c. 4 mi. west of Wiley Well Rd Comment
  RSA388392  Asclepias fascicularis R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61206 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
Read comments
Jun 30 2018
  CDA39816  Asclepias subulata W. E. Henson Nov 1937 s.n. Riverside Blythe. 0 Comment
  SDSU2729  Asclepias subulata D. F. Howe 1963-5-15 3480 Riverside 26.5 miles west of Desert Center on #195. 457 Comment
  UCR241796  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  UCR46723  Aster bernardinus B. G. Pitzer, D. C. Hawks 1986-12-2 0364 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA602395  Aster subulatus var. ligulatus L. C. Wheeler 1955-6-10 7153 Riverside 2 miles W of Blythe. Comment
  UCD166215  Astragalus Jack Major 1962-4-16 767 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  CAS-BOT-BC177718  Astragalus crotalariae P. A. Munz; D. Keck 1922-4-8 4743 Riverside Colorado Desert. 1/2 mi. east of Indio -15 Comment
  UCR272508  Astragalus didymocarpus Mitch Provance 2013-2-16 213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  CAS-BOT-BC182583  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Comment
  RSA21758  Astragalus didymocarpus var. dispermus C. B. Wolf 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA779009  Astragalus didymocarpus var. dispermus Duncan S. Bell 2010-4-1 643 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 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
  HSC104185  Astragalus douglasii A. C. Sanders, T. B. Salvato 2014-7-2 41162 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  RSA415492  Astragalus douglasii var. parishii Robert Kessler 1921-9-1 s.n Riverside Summit of Tahquitz. 2439 Comment
  RSA674713  Astragalus gambelianus Scott D. White 2000-5-1 7746 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR90390  Astragalus gambelianus D. L. Banks, Steve Boyd 1995-5-9 320 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 732 Comment
  CAS-BOT-BC186899  Astragalus insularis var. harwoodii Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center 274 Comment
  UCR124650  Astragalus lentiginosus var. coachellae B. C. Templeton, I. W. Clokey 1930-4-9 1072 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  CAS-BOT-BC192760  Astragalus palmeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  CDA26729  Astragalus palmeri T. C. Fuller 1963-4-23 10291 Riverside Sac Jacinto Mountains; Highway 47 to Palm Desert just east of Pinyon Flat. 0 Comment
  RSA286552  Astragalus palmeri John F. Emmel 1979-9-12 693 Riverside SE end San Jacinto Mts. desert slope; South base of Sugarloaf Mtn., near SE end of Pinyon Flat. 1250 Comment
  UC863144  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  CAS-BOT-BC194170  Astragalus pomonensis Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of Big Oak Mtn., just S of the E summit. 701 Comment
  RSA618384  Astragalus pomonensis D. L. Banks 1997-5-5 1981 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
  SEINET269558  Astragalus pomonensis Scott D. White 1996-5-27 4071 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  UCR109561  Astragalus pomonensis R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Temecula Valley, tributary of Temecula River, near Oak Mtn. 457 Comment
  UCR228  Astragalus pomonensis Frank C. Vasek 1958-4-26 s.n. Riverside Palomar Mtn. Region, Hwy '71' [79], east of Temecula, east end of [Temecula Creek] bridge at E end of cultivated valley [Pauba Valley] 366 Comment
  UC472700  Astragalus sabulonum M. F. Spencer 1922-3-24 Riverside Mecca , Mecca (Colorado Desert) -106 Comment
  OBI70233  Astragalus tricarinatus Lyman Benson 1945-1 Riverside Comment
  RSA0006863  Astragalus tricarinatus Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  UCR126442  Athysanus pusillus T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 67 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  UCR21906  Athysanus pusillus Steve Boyd 1980-5-3 170 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR91225  Athysanus pusillus Scott D. White 1996-3-31 3866 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
  RSA418191  Atrichoseris platyphylla Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR119338  Atrichoseris platyphylla B. G. Pitzer 2000-5-7 4130 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
  RSA452448  Atriplex Anstruther Davidson 1925-1 s.n. Riverside Colorado Desert Comment
  POM278727  Atriplex canescens Grant D. Brown 1950-12-2 590 Riverside About 1 mile up Mockingbird Canyon in Riverside city limits. 305 Comment
  POM318799  Atriplex canescens Patricia Wilder 1971-9-29 5282 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
Read comments
Mar 27 2011
  SD73400  Atriplex canescens K. R. Montgomery 1969-9-7 69 31 Riverside 1.5 mile east of Riverside Co. Highway 3 on Wilson Valley Road, 18 miles south of Hemet. Comment
  UCD97289  Atriplex canescens K. Esau 1935-6-15 s.n. Riverside Riverside County. Comment
  SBBG34725  Atriplex canescens var. canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UCR228198  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  JEPS2765  Atriplex coronata var. notatior W. L. Jepson 1901-5-17 1240 Riverside San Jacinto Lake Bed San Jacinto Lake Comment
  JEPS90679  Atriplex coronata var. notatior D. Bramlet 1991-6-1 2182 Riverside 1.4 km w of Nuevo (and some 10 m s of the end of 12th Street, some 17m e of San Jacinto River); San Jacinto crownscale 473 Comment
  UCR103746  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2437 Riverside San Jacinto Valley, Mystic Lake Duck Club., on berms & on the SW duck ponds within the club, 1.92 km east of Davis Road and adjacent to the maintenence road, 915 m north of the San Jacinto River Channel 436 Comment
  UCR252811  Atriplex coronata var. notatior Karyn L. Drennen 2014-5-13 028 Riverside Perris Aguanga Basin, Perris, east of Hwy 215, 0.7 km north of San Jacinto Ave., east of Dunlap Dr. 432 Comment
  UCR75531  Atriplex coronata var. notatior A. C. Sanders 1993-5-12 14005 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR70541  Atriplex davidsonii D. E. Bramlet 1991-6-20 2200 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 8m east of Davis Rd & 150 m north of the San Jacinto River levee. Old river bed beside the channelized area of the river. 475 Comment
  SD248393  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 392 Comment
  LA204696  Atriplex polycarpa Ray Cowles; 1936-11-29 sn Riverside Indian Wells Comment
  POM121945  Atriplex polycarpa Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR279577  Atriplex polycarpa A. C. Sanders, Jim Malusa 2017-3-28 43136 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
  UCD97656  Atriplex rosea Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3730 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  UCR92294  Atriplex semibaccata Scott D. White, S. Ogg 1994-10-17 2457 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA628489  Atriplex serenana A. C. Sanders, K. C. Rose 1999-7-18 22815 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Dawson Rd. 451 Comment
  RSA675801  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside MENIFEE: Ca. 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  RSA676064  Atriplex suberecta Scott D. White 2001-6-19 8593 Riverside Sun City: Quail Valley east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR281872  Atriplex triangularis Mitch Provance 2012-11-9 1112- 19 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR177506  Avena barbata 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 1128 Comment
  UCR22138  Avena barbata Steve Boyd 1980-5-11 228 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
  UCR92089  Avena barbata Scott D. White 1995-3-30 2685 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  CLARK-A1528-1624  Baccharis emoryi John C. Roos 1965-10-7 Riverside Fairmont Park Comment
  POM182370  Baccharis emoryi Joseph A. Ewan 1931-10-3 5216 Riverside Santa Ana River, 4 mi. NW if Corona. Comment
  RSA621887  Baccharis emoryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3004 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA0062663  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. Elsinore. Comment
  CAS-BOT-BC106735  Baccharis salicifolia T. Winfield 1975-4-17 2407 Riverside Santa Ana R. near Fairmont Park Comment
  RSA544385  Baccharis salicifolia Steve Boyd 1991-6-14 6400 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR100032  Baccharis salicifolia A. C. Sanders, G. Helmkamp 1997-3-15 19975 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UC1118933  Baccharis sergiloides H. S. Yates 1936-6-4 5413 Riverside Palm Springs San Jacinto Quad. 137 Comment
  JOTR32197  Bahiopsis parishii Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 1) 1428 Comment
  CAS-BOT-BC99950  Baileya pauciradiata Geo. B. Grant 1906-4-20 6709 Riverside Palm Springs, Colorado Desert Comment
  UCR244309  Baileya pleniradiata Jim Andre 2012-4-15 20851 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
  UCR156472  Barbarea orthoceras T. B. Salvato, A. C. Sanders 2005-5-17 887 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  POM308551  Bebbia juncea Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3144 Riverside 10 miles east of Indio. Comment
  RSA643333  Bebbia juncea R. D. Goeden, D. W. Ricker 1980-3-20 s.n. Riverside Colorado Desert: Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  SEINET2047507 Image available Bebbia juncea Grace Sprague 1968-5-3 Riverside White Water Canyon Wash Comment
  CAS-BOT-BC100137  Bebbia juncea var. aspera Annie M. Alexander; Louise Kellogg 1941-5-15 2182 Riverside north base of Eagle Mountains, Colorado Desert 914 Comment
  CAS-BOT-BC106402  Bebbia juncea var. aspera J. Beley 1974-2-21 1817 Riverside Halfway between 195 & Cactus City (Buried Mtn.) on roadside. Comment
  CHSC95388  Bebbia juncea var. aspera R. Kobaly; Singer, A., Spurrier, C., Thompson, D., Way, M. J. 2001-6-12 1 Riverside Riverside County. White Water Canyon. 4.8km north of Highway 10 SBBM, San Gorgonio Wilderness. 570 Comment
  LA203074  Bebbia juncea var. aspera Martha Hilend; 1929-12-27 360 Riverside Shafer's Well Comment
  SD144058  Bebbia juncea var. aspera Scott White 1993-4-22 1225 Riverside North Alberhill Ranch, in hills N of Walker Canyon. 490 Comment
  SD229078  Bebbia juncea var. aspera Dick Schwenkmeyer 2012-11-6 855 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR113999  Bebbia juncea var. aspera Mitch Provance 1999-3-8 1060 Riverside Jurupa Mountains, SE Pyrite Canyon (= SE end of Wilder's Cyn.), c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UCR280935  Bebbia juncea var. aspera Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 05 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  CSUSB2  Beloperone californica I. S. Singh 1972-4-21 S.N. Riverside Colorado Desert West and north edges of Colorado Desert. Sea level. Comment
  UCR267877  Bergia texana D. E. Bramlet 2006-5-25 4001 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, east of the San Jacinto River channel and north of Nuevo Rd. bridge 430 Comment
  RSA0028736  Bergia texana R. E. Riefner 1998-7-9 98 -280 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. 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
  UCD129555  Bidens laevis Steve Myers 1990-12-10 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. 213 Comment
  UC1595596  Bloomeria crocea Steve Boyd and Tim Ross 1990-5-11 4617 Riverside Vail Lake area Cleveland National Forest, Agua Tibia Mtn. (base of mt., e of Dripping Springs campground, s of Hwy 79) 548 Comment
  RSA278499  Boechera californica John F. Emmel 1977-5-15 560 Riverside Dry Creek, just west of confluence with Coldwater Creek, 1.3 air miles W. of Mountain Center. 1098 Comment
  SD232716  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside South Fork San Jacinto River: Hwy 74, ca. 1-3 road miles E of USFS Cranston Fire Station. Sandy flat area just brelow road. Silt on soil surface suggests that water pools here during runoff. 600 Comment
  UCR215584  Boerhavia coccinea Tasha La Doux, Jim Andre 2008-9-16 338 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  POM246649  Boerhavia triquetra E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  JOTR38528  Boerhavia wrightii Harding, Mitzi, Kipp Callahan 2012-8-27 298 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  RSA41282  Boerhavia wrightii J. C. Roos 1937-8-22 14 Riverside Colorado River, north of Blythe. Comment
  UCR211549  Boerhavia wrightii Jim Andre, T. La Doux 2008-9-13 10259 Riverside Sonoran (Colorado) Desert, Palen Valley, along west side of Hwy 177, east side of Coxcomb Mountains, just west of Palen Valley Sand Dunes area, east boundary of Joshua Tree National Park 205 Comment
  RSA192349  Boisduvalia densiflora H. A. Zuill 1966-7-7 277 Riverside About 3 miles SW of Murrieta- near junction to Santa Rosa Ranch. Comment
  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
  UCSB51414  Bouteloua aristidoides Roos, John 1965-9-5 Riverside Desert Center Comment
  UCR198196  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  JEPS20764  Bouteloua barbata var. barbata Roxana S. Ferris and Rimo Bacigalupi 13240 Riverside Hwy US 95 11.3 mi n Blythe (wash arising in mts); Big Maria Mts. Comment
Read comments
Jun 2 2012
  JOTR30752  Bouteloua barbata var. barbata La Doux, Tasha, Jim Andre 2007-9-6 135 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  JOTR29522  Bouteloua curtipendula La Doux, Tasha, Mike Bell 2006-9-6 1580 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam Comment
  NY43293  Brandegea bigelovii C. R. Annable 1995-3-15 2284 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  RSA394251  Brandegea bigelovii A. Menke 1955-4-27 s.n. Riverside 33 miles E of Desert Center. Comment
  RSA394252  Brandegea bigelovii Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  RSA676267  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR64302  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mtns, On the E edge of Riverside, at end of the dirt road in Two Trees Canyon Comment
  UCR104898  Brassica nigra A. C. Sanders 1997-3-19 20027 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  SD152905  Brassica rapa Steve Boyd, Orlando Mistretta 1992-4-23 7062 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. Local along trail on dry rocky slopes. 244 Comment
  UCR275352  Brassica rapa T. B. Salvato, Melissa Clemons 2005-6-9 1495 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA381544  Brassica rapa O. F. Clarke 1987-3-16 s.n. Riverside Riverside. 1012 Spruce St. 305 Comment
  RSA482938  Brassica rapa N. C. Cooper 1949-3-15 3029 Riverside Palm Springs 122 Comment
  CAS-BOT-BC36845  Brassica tournefortii Ira L. Wiggins 1941-3-24 9569 Riverside 0.3 mile south of Myonia, 4.6 miles north of Indio. Comment
  RSA505050  Brassica tournefortii A. C. Sanders, O. F. Clarke 1989-4-5 9034 Riverside Box Springs Mtns., on the E edge of Riverside. S-facing slope at the end of the dirt road in Two Trees Canyon. Comment
  RSA703413  Brassica tournefortii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1431 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  RSA772327  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4507 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA784969  Brassica tournefortii Duncan S. Bell 2012-3-18 3232 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UC2015553  Brassica tournefortii A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15997 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR89546  Brassica tournefortii George K. Helmkamp 1994-3-8 41 5 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  UC1523410  Brickellia atractyloides Robert F. Thorne and W. A. Tilforth 1980-5-28 54208 Riverside 3.2 mi n, w from Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernadino Mts. 609 Comment
  UC68943  Brickellia atractyloides H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs Colorado Desert 670 Comment
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Oct 9 2010
  CAS-BOT-BC106343  Brickellia atractyloides var. arguta Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon, Santa Rosa Mts. 1066 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
  JOTR36390  Brickellia desertorum La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3343 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  RSA660930  Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside open fields at NE edge of UCR campus, E of A & I dorms and S of Watkins Dr. 335 Comment
  RSA0037319  Bromus carinatus John F. Emmel 1993-5-30 1263 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  CAS-BOT-BC149308  Bromus carinatus var. carinatus Ralph Hoffman 1929-9-11 s.n. Riverside Mount San Jacinto. 1645 Comment
  RSA752885  Bromus hallii Orlando Mistretta 2009-7-10 3992 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
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Jun 16 2018
  UCR16073  Bromus hordeaceus S. L. Lackey 1973-5-15 s.n. Riverside Riverside, Box Springs Mountain, near lookout station 915 Comment
  UCR110939  Bromus marginatus George K. Helmkamp 1998-6-27 4118 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCD59075  Bromus orcuttianus var. hallii Peter Kamb 1948-7-3 1141 a Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UCR2252  Bromus tectorum F. M. Reed 1933-5-31 7923 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 823 Comment
  RSA583754  Bromus tectorum Steve Boyd 1995-4-24 8477 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 its junction with the Dripping Springs Trail. 610 Comment
  UCR9533  Broussonetia papyrifera O. F. Clarke 1970-7-27 s.n. Riverside Riverside, residential garden of Mrs. Luther J. Tobias, 4460 7th Street Comment
  SEINET2060496 Image available Caesalpinia E. R. Blakley 1952-8-17 B- 1558 Riverside Shavers Summit 515 Comment
  RSA405286  Caesalpinia virgata N. Dunn, A. Martin 1932-3-26 s.n Riverside Oasis Comment
  RSA271846  Calandrinia ciliata C. W. Tilforth 1978-4-30 1580 Riverside Low, rounded hills east of Norco. Comment
  UCR92780  Calandrinia ciliata Scott D. White 1994-3-29 1945 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR60549  Calandrinia ciliata var. menziesii R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  CAS-BOT-BC85767  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  POM11515  Calocedrus decurrens Philip A. Munz 1922-6-28 5885 Riverside Santa Rosa Mtns. Canyon above Santa Rosa. 1981 Comment
  CLARK-A1528-3185  Calochortus albus John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  RSA0066240  Calochortus invenustus Anonymous s.n. Riverside Strawberry Valley. 1524 Comment
  JEPS55620  Calochortus palmeri var. munzii H-M. and R. S. Beard 1967-7-1 Riverside Alderwood and Pine Crest Roads, vacant lot Idyllwild 1645 Comment
  SD137976  Calochortus splendens Darin L. Banks, Steve Boyd 1995-5-3 238 Riverside Cleveland National Forest, 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
  UCD139571  Calochortus splendens Geoffrey Levin 1975-4-26 481 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  CAS-BOT-BC497282  Calochortus weedii var. weedii John Thomas Howell 1931-5-30 6586 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA456157  Calycanthus occidentalis Kessler 1920-7-4 17045 Riverside San Jacinto Mts. Comment
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Nov 19 2011
  SD45165  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside 5.0 miles northeast of Cottonwood Springs, Joshua Tree National Monument. 854 Comment
  RSA0124036  Calycoseris wrightii Duncan S. Bell, LeRoy Gross 2016-3-10 8881 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  SBBG37955  Calyptridium monandrum T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  SD167060  Calyptridium monandrum A. C. Sanders, T. B. Salvato 2005-4-28 29768 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  UCR215619  Calystegia macrostegia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 05 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  CSUSB675  Calystegia macrostegia subsp. longiloba Kenneth Hibberd 1966-3-27 660327 3 Riverside La Sierra Road, 2.5 miles south of Victoria Street heading toward Lake Mathews. 365 Comment
  HSC6379  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23108 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA422171  Calystegia occidentalis subsp. fulcrata Robert L. Rutherford 1945-6-17 1667 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR193302  Calystegia occidentalis subsp. fulcrata A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35598 Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  RSA788341  Calystegia sepium Daphne K. Christopher, Hannah Stevens 2003-4-8 116 Riverside Santa Rosa Plateau Nature Conservancy Preserve. Coyote Trail near Hidden Valley trailhead. 556 Comment
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May 12 2020
  UCR241181  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 11 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  UCR241182  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 10 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA465906  Camissonia bistorta N. C. Cooper 1949-6-29 4299 Riverside San Jacinto Mountains: Palms to Pines Highway. 1524 Comment
  UCR118781  Camissonia bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 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
  UCR154407  Camissonia bistorta A. C. Sanders, Mike Misenhelter 2005-6-15 30944 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR240996  Camissonia boothii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 49 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA465968  Camissonia boothii var. condensata M. B. Dunkle 1935-3-17 4405 Riverside Colorado Desert. 610 Comment
  RSA115524  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11568 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA49371  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-12 13040 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  RSA613634  Camissonia californica D. L. Banks, Victor W. Steinmann 1997-3-13 1483 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
  UCR112554  Camissonia californica A. C. Sanders 1998-3-17 21740 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  RSA0028748  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  SD7322  Camissonia campestris subsp. campestris Daniel Cleveland 1882-4-24 Riverside San Jacinto Plain. Comment
  UC56479  Camissonia campestris subsp. campestris H. M. Hall 1902-4-8 2765 Riverside Valle Vista Comment
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Mar 27 2011
  SEINET10492049  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-2-9 Dunn 2846 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  JOTR31901  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  POM200857  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  POM257260  Camissonia claviformis subsp. aurantiaca Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  UC20483  Camissonia confusa H. M. Hall July, 1901 Riverside Fuller's Mill Mountains San Jacinto Mountains 1584 Comment
  SEINET7073306  Camissonia contorta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
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Jun 24 2020
  UCR22125  Camissonia graciliflora Steve Boyd 1980-5-17 288 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR118782  Camissonia hirtella A. C. Sanders, T. B. Salvato 2000-5-25 23427 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
  UCR90395  Camissonia hirtella D. L. Banks, Steve Boyd 1995-5-9 0371 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 793 Comment
  UCR3353  Camissonia ignota T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 1 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off SE road fork 762 Comment
  POM259680  Camissonia pallida subsp. hallii P. A. Munz 1940-3-22 15660 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  POM14635  Camissonia pallida subsp. pallida P. A. Munz, D. Keck 1922-4-14 4976 Riverside East of White Water Ranch. 244 Comment
  RSA718877  Camissonia pallida subsp. pallida Michael Honer, L. Hulse 2005-3-7 2028 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  RSA550354  Camissonia refracta Walter Wisura, J. Dolan, M. Wall 1992-3-24 4634 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  RSA795975  Camissonia refracta Duncan S. Bell 2009-4-19 294 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UCR251668  Camissonia refracta Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCSB42114  Camissonia strigulosa Roos, John 1965-6-13 Riverside Mountain Center, San Jacinto Mtns Comment
  SBBG53746  Camissoniopsis bistorta S. Boyd 1980-4-27 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  SD148111  Camissoniopsis bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley rd., 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) on decomposed granite slopes along a dirt road, generally N-facing slopes with sandy soil 438 Comment
  UCR138638  Capsella bursa-pastoris D. L. Banks, J. Moreno 1997-2-5 1264 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  UCD169811  Carex barbarae R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 537 Comment
  RSA802260  Carex senta Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5007 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UC489091  Carex subfusca C. V. Meyer 1928-7-30 575 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  SD181802  Carex triquetra Scott D. White, Sandy Leatherman 2000-5-31 7974 Riverside Santa Ana Mountains/ Santa Rosa Plateau: Near Squaw Mountain. 640 Comment
  RSA763986  Castela emoryi Justin M. Wood, D. M. Ray 2010-10-21 2991 Riverside Chuckwalla Valley NW of Victory pass on E side of Kaiser road ~1 mile N of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  UCR174425  Castilleja affinis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32481 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
  SD63729  Castilleja applegatei Peta Mudie 1965-7-5 502 Riverside Southwest slope, north side of Santa Rosa Mtn., above Nat. Forest Campground Comment
  UC1552094  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside s of Lake Hemet (on Hwy 74, Thomas Mountain Rd, from n to s, w of Garner Valley) 1676 Comment
  UC2030127  Castilleja applegatei subsp. martinii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38086 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  UCR269903  Castilleja exserta D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3660 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
  UCR84601  Castilleja exserta Scott D. White, S. Ogg 1994-4-21 1950 Riverside San Bernardino Mountains, Millard Canyon, near pipeline infiltration site 4 mi south of Bear Wallow Spring 976 Comment
  RSA524401  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4096 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
  RSA585638  Castilleja foliolosa D. L. Banks, S. D. Boyd 1995-3-15 73 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  RSA0054914  Castilleja foliolosa G. Jentges 1932-2-20 16 Riverside Jack Rabbit Grade, San Jacinto Mountains. Comment
  CAS-BOT-BC38138  Caulanthus amplexicaulis E. A. McGregor 1941-6-12 2 Riverside San Gabriel Mountains. Idyllwild. Comment
  CAS-BOT-BC38297  Caulanthus cooperi Annie M. Alexander; Louise Kellogg 1941-5-19 2202 Riverside Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  JEPS53333  Caulanthus cooperi L. M. Newlon 1922-4-4 455 Riverside Palm Canyon San Jacinto Mts., Palm Canyon Comment
  RSA295278  Caulanthus hallii R. S. Woglum 1937-5-22 584 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  UC64614  Caulanthus hallii H. M. Hall 1899-5-23 1165 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mt.; El Toro Mt., Coyote Canyon, San Jacinto Mts. 1524 Comment
  RSA561811  Caulanthus heterophyllus Steve Boyd 1992-4-14 6833 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA736036  Caulanthus heterophyllus Scott D. White, Justin Wood 2008-4-16 11889 Riverside Hills to the W of I-215 and S of Scott Rd. 488 Comment
  SD130247  Caulanthus lasiophyllus Ed LaRue 1990-4-13 Riverside 0.5 mile northwest of town of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  RSA527664  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3844 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
  UCR68471  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4115 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  UC870702  Ceanothus I. W. Clokey, E. G. Anderson 1935-8-21 6737 Riverside Fuller's Creek 1500 Comment
  CAS-BOT-BC48621  Ceanothus cordulatus W. R. Dudley 1903-12-25 s.n. Riverside Mouth of Tahquitz Canyon Comment
  RSA16507  Ceanothus crassifolius Percy C. Everett 1935-6-17 7151 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA3118  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2647 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA606739  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27421 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
  RSA606774  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27363 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  CDA37123  Ceanothus leucodermis Mike Lahti 2012-3-28 PDR# 1590305 Riverside Temecula; Calle Encantado near Rancho California Road. 0 Comment
  RSA462400  Ceanothus leucodermis H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  SD7235  Ceanothus leucodermis Daniel Cleveland 1882-5-3 Riverside Temecula Comment
  UC1070901  Ceanothus oliganthus var. oliganthus A. Lewis May 1934 412 Riverside Trabuco Canyon Elsinore quad., Cleveland Nat. For. 1371 Comment
  RSA606735  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27419 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
  RSA0019594  Ceanothus palmeri Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1698 Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  SD229240  Ceanothus palmeri Dick Schwenkmeyer 2012-4-18 703 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR30503  Ceanothus papillosus R. J. Weatherby 1950-1 1365 Riverside Peninsular Range; Santa Ana Mtns., head of Hagador Canyon, Southwest of Corona 1159 Comment
  UCR4118  Ceanothus perplexans Ronald M. Cope 1965-3-20 s.n. Riverside Peninsular Range; San Jacinto Mtns., in valley on road from Idyllwild to Banning, 5 mi below Lake Fulmor 1296 Comment
  UCSB3903  Ceanothus perplexans Keator, Glenn 1959-5-17 Riverside Pinon flats near Colorado desert on Palms to Pines highway. Comment
  SEINET13946039 Image available Ceanothus perplexans Carl B. Wolf 1932-1 3655 Riverside No. Base of San Jacinto Mts. Snow Creek Canyon. 1 mi above Fish Hatchery. 792 Comment
  UCR155337  Ceanothus sorediatus A. C. Sanders, Mike Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA561075  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  SD227695  Cenchrus spinifex A. C. Sanders, K. C. Rose 1999-5-28 22789 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. Disturbed roadside beside a golf course near the intersection with Westward Ho Dr. 17 Comment
  UCR156085  Centaurea melitensis T. B. Salvato, Kent Beaman 2005-5-16 809 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR140872  Centaurea repens John Rimoldi 2004-8-15 s.n. Riverside San Bernardino Valley Region, Arlington area of Riverside, Doolittle Ave., c. 0.5 km NW of Van Buren Blvd. on Doolittle, west of Riverside Airport 226 Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  RSA391487  Centaurium exaltatum S. B. Parish 1891-1 s.n. Riverside Santa Ana River. Comment
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Aug 8 2010
  UCR120410  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR174431  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32479 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
  RSA784845  Cerastium glomeratum J. D. Olmsted 1959-6-23 567 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  POM122304  Cercidium floridum Marcus E. Jones 1926-6-8 sn Riverside Palm Springs Comment
  RSA405368  Cercidium floridum R. S. Woglum 1937-4-24 297 A Riverside Palm Springs. Comment
  RSA453309  Cercocarpus betuloides J. Ewan 1929-6-16 3584 Riverside Lily Creek Canyon. Comment
  RSA522775  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3882 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
  UCR207277  Cestrum O. F. Clarke 2004-4-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM6069  Chaenactis artemisiifolia Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto. Comment
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Nov 20 2011
  SD224827  Chaenactis carphoclinia G. K. Helmkamp 1998-4-4 3157 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  UCR269868  Chaenactis carphoclinia A. C. Sanders, Jim Malusa 2016-3-18 42366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA152460  Chaenactis carphoclinia var. carphoclinia Rimo Bacigalupi, L. R. Heckard 1953-5-5 4071 Riverside Canyon sides along Morongo Creek, along Hwy between Morongo Valley and Coachella Valley, alt 2250ft. 686 Comment
  RSA176336  Chaenactis carphoclinia var. carphoclinia R. F. Thorne 1963-3-29 32443 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  RSA4876  Chaenactis carphoclinia var. carphoclinia C. B. Wolf 1932-4-27 2992 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  CAS-BOT-BC276905  Chaenactis fremontii Munz; Street; Williams 1919-3-28 2464 Riverside Ssan Gorgonio Pass, near Cabazon Comment
  JEPS30582  Chaenactis fremontii Donald M. Kyhos 1957-5-2 57 -153 Riverside west edge of Cabazon Cabazon Comment
  OBI8304  Chaenactis fremontii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12069 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd, 11 mi S of N park boundary Comment
  POM351704  Chaenactis fremontii Chas. Gabriel 1926-2-20 237 Riverside Rincon [R. Village, Andreas Canyon] Comment
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Nov 17 2011
  UC34697  Chaenactis fremontii H. M. Hall 1902-4-11 2807 Riverside Coyote Canon Colorado Desert, Coyote Canon 152 Comment
  UC894461  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UCSB9972  Chaenactis fremontii Koran, Jr., John 1958-4-15 Riverside 2.8 miles W. of Hwy. 111, on Hwy. 74 just outside of Palm Springs Comment
  RSA388507  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  NY43322  Chaenactis stevioides C. R. Annable 1995-3-16 2298 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  UCR245963  Chaenactis stevioides Duncan S. Bell 2009-3-8 80 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  UCR249658  Chaenactis stevioides T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7303 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR248050  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Sonoran (Colorado) Desert, Hayfield Lake; eastern section of dry lake, c. 3.75 air mi southeast of Hayfield Pumping Plant 420 Comment
  JOTR28755  Chamaesyce albomarginata La Doux, Tasha, Ileene Anderson 2004-10-4 1641 Riverside Joshua Tree National Park. Stop 1: Little SB Mtns, near Keys Ranch 1277 Comment
  JOTR31118  Chamaesyce albomarginata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2501 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  RSA356649  Chamaesyce albomarginata R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47302 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA644205  Chamaesyce micromera V. W. Steinmann 1999-10-26 1415 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  RSA778325  Chamaesyce micromera Amber Swanson, Linda Jean Foster 2011-10-8 627 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  JEPS52397  Chamaesyce parishii S. B. Parish 1912-6-28 8113 Riverside Mojave Desert,Mecca Comment
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Sep 4 2011
  RSA0034090  Chamaesyce polycarpa Duncan S. Bell 2013-1-30 4449 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
  RSA774724  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4504 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 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
  RSA432484A  Chamaesyce polycarpa var. hirtella Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside West of blythe. Comment
  RSA770640  Chamaesyce polycarpa var. hirtella R. F. Thorne 1966-10-15 41778 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA598702  Chamaesyce serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6141 Riverside San Jacinto Mountains. Fuller Mill Creek, North Fork San Jacinto River. 1828 Comment
  RSA33511  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  RSA524228  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4022 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SEINET238735 Image available Cheilanthes clevelandii A. C. Sanders, Mitch Provance; E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  RSA413253  Cheilanthes newberryi James C. Dice, Tu Chung 1987-10-19 738 D Riverside at head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. 329 Comment
  RSA336416  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52053 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UC669239  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-2-28 1878 Riverside Andreas Canyon; San Jacinto Mts 350 Comment
  UCSB30930  Cheilanthes parryi Parker, V. 1974-4-5 Riverside Just outside of the Phillip Boyd Desert Research Station near Palm Desert 289 Comment
  SD70909  Chenopodium album Helen V. Witham 1969-7-2 180 Riverside De Luz Creek crossing, 4 mi north of De Luz. Comment
  POM219130  Chenopodium album L. C. Wheeler 1932-7-9 923 Riverside Central Ave. 3 mi. N Chino. 244 Comment
  RSA522105  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1989-8-28 3798 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SD146315  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley between Filmore and Buchanan on Avenue 56. -36 Comment
  SD260933  Chenopodium berlandieri Mitch Provance 2012-7-17 712 16 Riverside Beaumont Plain: Banning, south of I-10, vicinity of corner of Sunset Ave. and Westwared Ave. 740 Comment
  UC1787312  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  RSA478503  Chenopodium californicum George R. Johnstone 1934-3-27 s.n. Riverside Near Temecula, along inland route. Comment
  UCR132954  Chenopodium glaucum subsp. glaucum A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60 503 Comment
  JOTR01007  Chenopodium incanum var. occidentale Cole, James E. 1941-6-17 918 Riverside Joshua Tree National Park. IN LIVE OAK TANK, DRY 1219 Comment
  SD146306  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside; Prenda area, south side of Hermosa Stree, ca. 0.25 mile west of the intersection with Washington Street. 609 Comment
  UCR113597  Chenopodium missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23677 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR113606  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-16 23721 Riverside Riverside, railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  POM508526  Chenopodium murale Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  UCR100869  Chenopodium murale George K. Helmkamp, E. A. Helmkamp 1998-2-18 2705 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR163091  Chenopodium murale B. G. Pitzer, G. R. Ballmer 2000-10-14 4227 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  CAS-BOT-BC231776  Chilopsis linearis John Thomas Howell 1927-8-1 2880 Riverside Moist bottom of Mission Creek at J Cross K Ranch, n. Colorado Desert 609 Comment
  RSA793476  Chilopsis linearis Duncan S. Bell, Aaron Sedgwick 2012-9-13 4208 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal., Or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  SD229112  Chilopsis linearis Dick Schwenkmeyer 2012-11-6 859 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  POM13252  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside Banning. Base of McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  POM70990  Chilopsis linearis subsp. arcuata George B. Grant 1906-5-1 s.n. Riverside On Colorado Desert at Palm Springs. Comment
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Sep 4 2011
  RSA125464  Chilopsis linearis subsp. arcuata E. K. Balls, P. C. Everett 1957-8-20 22665 Riverside Morongo Canyon, 9 1/4 mi n. along rd. to 29 palms for jct. with U.S. Hwy. 60/70/99 671 Comment
  CDA1889  Chloris truncata E. Storm 1978-11-9 Riverside Nunes Turfgrass nursery, 30611 Leon Road, Winchester. 0 Comment
  UCR157759  Chloris truncata Scott D. White 1990-9-5 s.n. Riverside Perris-Aguanga Basin region, Perris Valley, SW corner of Nuevo Rd & Dunlap Road, between Perris & Nuevo. Adjacent to the Perris Valley Storm Drain 433 Comment
  CAS-BOT-BC184864  Chloris virgata Fred M. Reed 1904-8-14 94 Riverside On Monroe Street between Duffer's and Victoria Aremnes-Arlington Heights. Comment
  POM257340  Chloris virgata C. B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
  SBBG57113  Chloris virgata R. Hoffmann 1929-9-4 Riverside between Wineville [Mira Loma] and Riverside Comment
  UCR2285  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Riverside, on the Bell lot, Massachusetts Avenue 290 Comment
  UCR274678  Chloris virgata Stephanie Rockwood, Christi Gabriel 2011-10-18 127 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  UC63965  Chlorogalum parviflorum Miss Ella Foster 1897-5-15 534 Riverside Menifee Menifee (Southern California) Comment
  RSA701090  Chorizanthe brevicornu Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11253 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
  UCR30088  Chorizanthe brevicornu var. brevicornu George K. Helmkamp 1983-4-5 483 26 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CLARK-A1528-728  Chorizanthe fimbriata Robert Eaton 1968-5-13 680513-7 Riverside Sandia Canyon Comment
  UCR174432  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32480 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
  UCR217527  Chorizanthe leptotheca Jeff B. Galvin 2010-6-8 135 Riverside Perris-Aguanga Basin, Temescal Canyon between Hwy I-15 and Temescal Canyon Road, south of the west end of Lee Lake 342 Comment
  UCR22112  Chorizanthe leptotheca Steve Boyd 1980-5-15 276 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR48347  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  NY468374  Chorizanthe parryi G. H. True Jr. 1936-4-10 221 Riverside Sycamore Canyon, Box Springs 365.8 Comment
  RSA666893  Chorizanthe parryi var. parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24183 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
  UC449703  Chorizanthe parryi var. parryi Mrs. Lottie M. Wilder 1903-4-26 14 Riverside Wilders Canyon Wilders Canyon (west Riverside) Comment
  UCR260596  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41473 Riverside San Gorgonio Pass, north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 mi. ENE (77 deg. ) of water bottling plant, north edge of wind farm 451 Comment
  SBBG101663  Chorizanthe polygonoides var. longispina S. Boyd 1991-5-20 6265 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  UCR92497  Chorizanthe staticoides Michael A. Patten 1993-6-23 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau (northern), Los Alamos Canyon at western end of Avenida La Cresta 610 Comment
  RSA339659  Chorizanthe watsonii Robert F. Thorne, C. W. Tilforth 1980-5-28 54225 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  CLARK-A1656-609  Chrysothamnus paniculatus Lois Ann Scott 1978-1-21 Riverside Desert Hot Springs Comment
  RSA93245  Chrysothamnus paniculatus F. W. Peirson 1920-12-29 2334 Riverside 1.5 miles E of Whitewater Station near Point of Rocks 305 Comment
  POM184062  Chrysothamnus teretifolius P. A. Munz 1932-10-16 12872 Riverside Indio to Vandeventer Flat. 1067 Comment
  UCR241511  Chylismia arenaria A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40641 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCSB30314  Chylismia brevipes Sauls, Mary 1977-2-27 Riverside Upper bajada, Box Canyon wash ca. 5 mi W of junction of Interstate 10 and Hwy 195 365 Comment
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Nov 16 2015
  OBI30389  Chylismia claviformis T. Pringle 1966-2-22 22 Riverside Colorado Desert, along hwy 60, 1 mi SE of Garnet Comment
  CAS-BOT-BC160627  Chylismia claviformis subsp. aurantiaca Milo S. Baker 1928-4-3 2838 b Riverside Tahquitz [Canon] Canyon Comment
  UC1122176  Chylismia claviformis subsp. aurantiaca H. S. Yates 1936-4-7 5441 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle 243 Comment
  UC1602062  Chylismia claviformis subsp. aurantiaca H. Lewis 1952-4-5 Riverside rd to 29 Palms 1 mi s road to Desert Hot Springs Comment
  JEPS23456  Chylismia claviformis subsp. peirsonii W. L. Jepson 1927-4-14 11706 Riverside Silent Canyon foothills Santa Rosa Mts. (se end of mts.) 304 Comment
  UCR182533  Cichorium intybus Mitch Provance 2003-7-4 4643 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  CAS-BOT-BC289650  Cirsium occidentale var. californicum John Thomas Howell 1931-6-4 6645 Riverside Summit of Jackrabbit Trail Comment
  UC454292  Cirsium occidentale var. californicum I. J. Condit 1910-6-23 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1676 Comment
  UCR161401  Cirsium occidentale var. californicum A. C. Sanders, Mike Misenhelter 2005-9-20 31673 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  RSA0059653  Cirsium occidentale var. occidentale A. C. Sanders, J. Goetzen 1996-5-1 18128 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  RSA370864  Cirsium vulgare R. F. Thorne 1985-7-18 61280 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  SEINET3005050  Cistanthe ambigua G. Rink 2011-4-27 10487 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 109 Comment
  CAS-BOT-BC438863  Cistanthe monandra Elizabeth McClintock 1958-4-3 s.n. Riverside Near southern entrance to Joshua Tree National Monument Comment
  RSA0021296  Cistanthe monandra Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4660 A Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA772844  Cistanthe monandra Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4847 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SD152804  Clarkia bottae Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7339 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. 366 Comment
  RSA263698  Clarkia epilobioides E. W. Lathrop 1969-5-8 7009 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  CLARK-A1528-2655  Clarkia purpurea Mark Wilson 1980-5-30 5-30- 80 /3 Riverside San Timoteo Canyon Comment
  UCR167861  Clarkia purpurea T. B. Salvato, John F. Green 2004-5-27 658 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
  CSUSB232  Clarkia purpurea subsp. quadrivulnera Steve Kulju 1974-5-16 Riverside Santa Ana Mountains Murrieta. Tenaja Road, 1.5 miles from Washington Ave. Comment
  SD237529  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Santa Ana Mountains: Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak. 1021 Comment
  SEINET10632450  Clarkia rhomboidea Joseph A. Ewan 1929-6-16 Ewan 3575 Riverside Moist sandy soil under pines. Alt. 5200 feet. Strawberry Valley. 1585 Comment
  UC73290  Clarkia similis M. F. Gilman 1904-1 23 Riverside Banning Comment
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Mar 13 2011
  RSA759272  Claytonia parviflora Robt Allen, Lorrae Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  UCR155311  Claytonia parviflora A. C. Sanders 2005-5-4 29852 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  POM12718  Claytonia parviflora subsp. tenuifolia P. A. Munz 1922-6-30 5910 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UC218122  Claytonia parviflora subsp. viridis P. A. Munz 1922-6-30 5910 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  UCR70285  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3943 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  UCR139030  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. The area along Magee Truck Trail betweem the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR82762  Clematis ligusticifolia A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15790 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  UCR169400  Cnicus benedictus T. B. Salvato, John F. Green 2004-5-27 610 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UC1563032  Collinsia concolor Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3170 D Riverside just sw Vail Lake dam (recent burn in hills); Vail Lake area 487 Comment
  UCR177646  Collinsia concolor 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 1189 Comment
  UCR35350  Collinsia concolor L. B. Ziegler 1967-4-25 121 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  UCSB45533  Collinsia heterophylla Roos, John 1952-4-13 Riverside Box Springs Mts Comment
  UCR241488  Collinsia parryi Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 249 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  CAS-BOT-BC389741  Condea emoryi M. Danielson 1963-12-25 s.n. Riverside Tahquitz Canyon Comment
  SD119920  Convolvulus arvensis Louis B. Ziegler 1977-6-6 568 Riverside San Jacinto Valley. 470 Comment
  RSA525317  Convolvulus simulans Steve Boyd, David Bramlet 1990-4-29 4471 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR163664  Cordylanthus nevinii Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., NW side of Pine Cove, south of Logan Creek near Truck Trail, SE of peak 6022 1814 Comment
  UCR54452  Cordylanthus rigidus A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  POM243633  Cordylanthus rigidus subsp. setiger E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  POM48403  Cordylanthus rigidus subsp. setiger Philip A. Munz, I. M. Johnston 1924-7-28 8808 Riverside Pine Flats. 1738 Comment
  CAS-BOT-BC287191  Corethrogyne filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mile E of Murrieta Rd and 1 mile N of Bundy Canyon Rd, ca 5 miles due S of Sun City 488 Comment
  RSA575899  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along the Fisherman's Camp Trail, N of Tenaja Canyon. 451 Comment
  SBBG95154  Corethrogyne filaginifolia S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UC895237  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6961 Riverside e Keen Post Office; Hillside 1350 Comment
  RSA615554  Cornus glabrata A. C. Sanders, T. Tennant, A. Sanders 1997-11-14 21596 Riverside San Bernardino Mtns: Morongo Idian Reservation, W end of Burro Flats. 1159 Comment
  CLARK-A1528-5630  Cotula australis John C. Roos 1965-12-20 Riverside Riverside 243 Comment
  UCR104036  Cotula australis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1328 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR172202  Cotula coronopifolia John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA192159A  Crassula aquatica E. W. Lathrop 1966-5-1 6241 -A Riverside 3 miles W of Murrieta. Santa Ana Mountains Comment
  HSC85412  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR139159  Crassula connata S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  UCR155158  Crassula connata A. C. Sanders, Kelly Volansky 2005-3-17 29202 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR97444  Crassula connata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19865 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CLARK-A1528-423  Crassula erecta Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  POM129654  Cressa truxillensis J. D. Abrams 1900-05 11204 Riverside Elsinore Comment
  UCD126208  Cressa truxillensis Rimo Bacigalupi; G. T. Robbins 1954-5-16 4467 Riverside valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formely Ginsberg) Hot Springs. 432 Comment
  SD186167  Crocanthemum scoparium A. C. Sanders, Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mountain, Av. Escala just above Av. Caleta, north of Tenaja Rd. 701 Comment
  CAS-BOT-BC175807  Crossosoma bigelovii Edmund C. Jaeger 1925-3-1 s.n. Riverside Snow Creek, San Jacinto Mts. 609 Comment
  SBBG2864  Crossosoma bigelovii H. and M. Dearing 1949-4-17 6754 Riverside Morongo Cyn 640 Comment
  JEPS52474  Croton californicus F. M. Reed 1905-9-25 Riverside Riverside Comment
  RSA480580  Croton californicus B. C. Templeton, C. B. Clokey, J. W. Clokey 1930-4-15 1488 Riverside Near Gavilan Peak. 500 Comment
  UCR163797  Croton californicus John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  UCR226674  Croton californicus Jim Andre 2011-2-9 15946 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  RSA0020313  Croton californicus var. mohavensis D. W. Stevens 1982-4-20 s.n. Riverside ~1 mi east of Devers Substation ~2 mi north of I-10. Comment
  OBI23315  Cryptantha Robert F. Hoover 1969-4-11 11217 Riverside Mouth of Morongo Valley Cyn Comment
  UCR162543  Cryptantha John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  POM368208  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA795934  Cryptantha angustifolia Duncan S. Bell 2009-4-19 262 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SD224872  Cryptantha angustifolia G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2652 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. Almost barren hills just beyond creosote bush scrub. 100 Comment
  UC1229795  Cryptantha angustifolia Peter M. Ray 1949-3-5 1333 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UC857062  Cryptantha angustifolia Ira L. Wiggins 1937-3-9 8754 Riverside 5 mi w Shaver's Well Comment
  SDSU18675 SDSU18675
Image available
Cryptantha barbigera var. barbigera Kristen Hasenstab, M. G. Simpson 2008-4-1 43 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park, under the partial shade of a Hyptis emoryi. 574 Comment
  SDSU21880  Cryptantha barbigera var. fergusoniae Kristen Hasenstab, M. G. Simpson 2008-4-2 66 Riverside Joshua Tree National Park. North side of Split Rock, 100ft south of the trail wrapping around Split Rock. 1294 Comment
  CAS-BOT-BC218862  Cryptantha costata A. C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains 152 Comment
  UCR245642  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
  HSC3617  Cryptantha intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23092 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  RSA658921  Cryptantha intermedia Bob Rogers 1984-4-28 24 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  RSA673554  Cryptantha intermedia Scott D. White, Tasha La Doux 2000-4-20 7679 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA700066  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 Riverside Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA735608  Cryptantha intermedia LeRoy Gross, Duncan Bell 2008-9-16 3578 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
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Oct 24 2011
  SEINET959101  Cryptantha intermedia John F. Green 2006-1 Riverside Peninsular Ranges; Foothills of Santa Ana Mtns./ Santa Rosa Plateau: Temecula, Southern California Edison right of way between residential areas, N-S corridor between S general Kearny Road and La Serena Way; E of Veterans park (Bachelor Myn. 7.5Q). 366 Comment
  UC718550  Cryptantha intermedia Carl B. Wolf 1935-4-7 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  UCR165395  Cryptantha intermedia A. C. Sanders 2005-4-21 29576 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR241818  Cryptantha intermedia A. C. Sanders, Timothy W. Chumley 2013-4-2 40750 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  UCR251995  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2014-7-2 41166 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  POM96833  Cryptantha intermedia F. M. Reed 1925-3-17 4936 Riverside Tahquitz Canyon - Palm Springs. Comment
  RSA0070998  Cryptantha intermedia Steve Boyd, K. Boyd, R. Noyes, L. Arnseth, C. Boyd 1988-5-28 2291 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 0.5 mi S of saddle. 1500 Comment
  GMDRC6540  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UCR268582  Cryptantha intermedia var. intermedia Jim Andre 2012-6-15 30492 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  RSA735320  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11252 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
  UC573150  Cryptantha maritima Herbert L. Mason 1928-3-10 4227 Riverside Hidden Springs Canyon Coachella Mountains Comment
  UCR249503  Cryptantha maritima T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7289 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  SDSU18679 SDSU18679
Image available
Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 45 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 607 Comment
  RSA728603  Cryptantha micrantha Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1893 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  SEINET2075873  Cryptantha micrantha G. Rink 1999-5-20 Riverside San Jacinto Mountains, Goff Flat at Morris Ranch Rd., SE of Idyllwild 1500 Comment
  RSA145650  Cryptantha micrantha var. lepida P. H. Raven 1959-5-18 s.n. Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA79959  Cryptantha micrantha var. lepida F. W. Peirson 1922-5-19 4483 Riverside San Jacinto River, San Jacinto Mtns. 1220 Comment
  UCR111545  Cryptantha micrantha var. lepida Mitch Provance 1999-5-4 1693 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR256085  Cryptantha micrantha var. lepida G. D. Wallace 2003-7-8 4028 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  UCR116613  Cryptantha micrantha var. micrantha A. C. Sanders 2001-3-20 23840 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UCR238085  Cryptantha micromeres Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2055 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA543954  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6185 b Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  SEINET3084419 Image available Cryptantha microstachys Andrew C. Sanders, B. Pitzer 1986-4-30 6479 Riverside San Jacinto Mtns; Bee Cyn, along the road, 1.1 mi. above mouth of canyon at the San Jacinto River Valley 703 Comment
  UCR120900  Cryptantha microstachys A. C. Sanders, D. Malueg 2002-4-8 24909 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  SBBG118556  Cryptantha muricata L. Gross with V. Soza 2003-5-8 832 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UCR19808  Cryptantha muricata W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR84654  Cryptantha muricata Scott D. White, S. Ogg 1994-4-21 1980 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCSB46749  Cryptantha muricata Roos, John 1950-4-15 Riverside Summit of Reche Canyon 792 Comment
  POM118684  Cryptantha nevadensis Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR280921  Cryptantha nevadensis Fred M. Roberts 2016-3-5 7996 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SEINET1004955  Cryptantha nevadensis var. rigida A. C. Sanders 1993-1 13754 Riverside Cajon Pass, 0.8 mi E of Cajon Junction on Hwy 138, Crowder Canyon. 1000 Comment
  RSA0078923  Cryptantha pterocarya var. pterocarya J. Mark Porter 2001-4-2 12332 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  UCR41228  Cryptantha pterocarya var. purpusii N. M. Fellows, A. C. Sanders 1985-4-9 144 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA0043033  Cryptantha racemosa Duncan S. Bell, Evan Meyer 2014-4-3 6534 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  RSA339347  Cryptantha utahensis R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54077 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SDSU18704  Cryptantha utahensis Kristen Hasenstab, M. G. Simpson 2008-4-2 63 Riverside Joshua Tree National Park. Southeast end of Hidden Valley, 350 ft east of Hidden Valley Nature Loop trail, hidden from the trail by a large formation of rocks. 0.26 miles west of Hidden Valey Picnic Area. Plant was located under a Pinus monophylla. 1322 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
  UC28915  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity of Riverside 457 Comment
  RSA409704  Cuscuta californica M. B. Dunkle 1934-2-19 3838 Riverside San Juan Canyon 396 Comment
  RSA617825  Cuscuta salina R. E. Riefner 1998-7-9 98 -283 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA0073880  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio. 760 Comment
  SEINET2057212 Image available Cylindropuntia echinocarpa C. F. Schutts 1949-3-28 126 Riverside Palms to Pines Hwy State 74, 14 miles SE of Palm Springs. 152 Comment
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Jul 4 2015
  SEINET10340240 Image available Cylindropuntia ramosissima Marc A. Baker, with Michelle Cloud-Hughes 2011-10-13 17475 Riverside Cottonwood Mountains, Pinkham Canyon, 45km ESE of Palm Springs, 26km NW of Chiriaco Summit, 2.5km south of the Snow Cloud Mine 808 Comment
  JOTR32482  Cymopterus panamintensis var. acutifolius Herskovits, Tasya 2011-5-25 18 Riverside Joshua Tree National Park. Cottonwood Mountains; Steep bedrock on south facing slope of large, sandy, open wash flowing southeast to Cottonwood Canyon Comment
  UCR164298  Cynodon dactylon S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  HSC100854  Cynodon dactylon J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-12 12751 Riverside Lawn at Casa del Diablo property. Comment
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Aug 16 2015
  SEINET3909591  Cyperus erythrorhizos Steve Boyd 1991-7-13 6409 Riverside Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash and I-15, just S of Cajalco Rd.; 0 Comment
  RSA605754  Cyperus involucratus A. C. Sanders, G. K. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Canyon in vicinity of the debris basin above the W end of Sunny Dunes Road. 183 Comment
  RSA666722  Cyperus involucratus A. C. Sanders, Steven R. Hill 2001-5-4 24149 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, Carancho Rd. at stream crossing (nameless tributary to De Luz Creek) just west of Camaron Rd., east of Calle Calmar., 33 29.6 N, 117 15.9 W 396 Comment
  CSUSB1205  Dalea californica Patricia Healy 1968-5-4 Riverside Whitewater Canyon in a riparian wash 1.5 miles from highway 60. Comment
  JEPS41648  Dalea mollis H. M. Hall Apr. 1905 5932 Riverside McCoy Wash Colorado Desert, McCoy Wash Comment
  RSA517825  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1443 Riverside West side Palen Mts.: NE of Desert Center. Comment
  CLARK-A1528-471  Dalea schottii Charlotte Stocks 1966-5-3 Riverside Thousand Palms canyon Comment
  CAS-BOT-BC283041  Dasyochloa pulchella Welder 1907-4-1 s.n. Riverside Murray Wash, Palm Springs Comment
  RSA414181  Dasyochloa pulchella Robert M. Perkins, H. de Forest 1937-3-15 409 Riverside 20 miles east of Desert Center Comment
  RSA586337  Datisca glomerata D. L. Banks, S. D. Boyd 1995-5-3 0202 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA450078  Datura discolor J. C. Roos 1965-11-6 s.n. Riverside Colorado Desert, 26 miles west of Blythe. Comment
  UCR186730  Datura discolor Scott D. White, Pam DeVries 2006-3-14 11262 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
  IRVC26246  Daucus pusillus A. C. Sanders, D. Malueg 2003-5-8 26578 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
  UC1608212  Daucus pusillus Tim Ross and Steve Boyd 1992-6-10 7635 Riverside about Potrero Escondido- an isolated area topping ridge system due w. of junction of Tenaja Rd. (7S01) and Los Alamos Rd. (7S04) San Mateo Canyon (at confluence of Los Alam...); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, S 670 Comment
  CAS-BOT-BC293825  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside. Highgrove 365 Comment
  SD51775  Deinandra kelloggii Rimo Bacigalupi, G. T. Robbins 1954-5-16 4465 Riverside Along road from Valverde eastward to gLakeview, on western slope of the Bernasconi Hills. 424 Comment
  RSA0025297  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10 -50 Riverside City of Riverside, Sycamore Canyon Park, W ca. 0.5 mi from Cottonwood Ave. and Sycamore canyon Blvd. 135 Comment
  UC1787311  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  UC50192  Deinandra paniculata H. M. Hall May 17 1901-Jun 1 1901 1801 Riverside San Jacinto Mtns. Comment
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Oct 29 2011
  UC1922347  Deinandra paniculata R. E. Riefner Jr. 2007-6-16 07 -263 Riverside City of Hemet, Bautista Canyon, 2.8 mi E of Fairview Ave. on Bautista Rd. Comment
  UC1031412  Delphinium parishii subsp. parishii H. Lewis and C. Epling 1941-5-7 Riverside 3 mi n Cottonwood Spring; Joshua Tree Nat. Mon. Comment
  RSA717581  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  SD160867  Delphinium parryi subsp. parryi Virginia Moran 2003-5-23 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management. Section 33 of two that comprise mitigation bank. Accessed from Wilson Valley Road. Sage 7.5 Quadrangle. Comment
  RSA0020477  Delphinium parryi subsp. parryi P. A. Munz 1922-6-24 5795 Riverside Pipe Creek, Hemet Valley 1463 Comment
  CAS-BOT-BC82958  Dendromecon rigida Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3955 Riverside Vail Lake area. At south end of Black Hills south of 'Big' Oak Mountain. 731 Comment
  UCR49241  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  CAS-BOT-BC198172  Deschampsia danthonioides Robert F. Thorne; Earl Lathrop; O. Clark; S. Carlquist 1968-4-18 37430 Riverside Mesa de Colorado, Rancho, Santa Rosa Plateau 670 Comment
  SEINET263476 Image available Deschampsia danthonioides R. Noll sn Riverside Hemet corner of Warren and Florida Avenues Comment
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Jul 29 2013
  UC1951134  Deschampsia danthonioides Scott D. White, Justin Wood 2009-5-21 12855 Riverside SAN JACINTO MOUNTAINS: Garner Valley, near abandoned duck ponds, S of Quinn Flat. USGS Idyllwild 7.5' Quad. Comment
  SEINET3507676 Image available Descurainia pinnata C. F. Shutts 1949-3-19 52 Riverside White Tank Joshua Tree Natl. Mon. Comment
  JOTR34078  Descurainia pinnata subsp. ochroleuca La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2974 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  POM19845  Dichelostemma capitatum subsp. capitatum Mary F. Spencer 1923-7-7 2257 Riverside Idyllwild, San Jacinto Mtn., 1646 Comment
  RSA678346  Dichelostemma capitatum subsp. capitatum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10489 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
  UCSB22206  Dichelostemma capitatum subsp. pauciflorum Keefe, Joseph 1967-3-24 Riverside 1/3 mile east of Tahquitz Waterfall, Tahquitz Canyon, 3 miles west of Palm Canyon Boulevard, Palm Springs 182 Comment
  RSA501048  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3169 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA707354  Dicoria canescens Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 05 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  UC501500  Dicoria canescens Frank W. Peirson 1924-12-30 5425 Riverside 1000 Palms Canyon 121 Comment
  RSA78306  Dieteria canescens var. ziegleri P. A. Munz, E. K. Balls 1952-8-21 17985 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  RSA0018438  Diplacus longiflorus var. calycinus Scott D. White 1995-3-30 2669 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  SEINET3928440  Distichlis stricta Faulkner 1978-3-21 352 Riverside 9 miles No. of Blythe Highway 95, Saline flat.; 0 152 Comment
  JEPS52439  Ditaxis lanceolata W. L. Jepson 1927-4-12 11669 Riverside n. of Mecca (Painted Canyon); Colorado Desert, Painted Canyon 76 Comment
  UCR246845  Ditaxis lanceolata Jim Andre 2012-3-19 21322 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  JEPS24422  Ditaxis neomexicana Peter M. Ray 1949-3-12 1359 Riverside North side of Coachella Valley; 2 miles west of Whitewater 457 Comment
  UCR245988  Ditaxis neomexicana Duncan S. Bell 2012-9-13 4188 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR248428  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  CSUSB522  Dithyrea californica Barry A. Vittor 1966-3-4 S. N. Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  POM265126  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  UC2015548  Dithyrea californica A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16186 Riverside Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. Comment
  UC61578  Dithyrea californica Dr. R. J. Smith March 1904 100 Riverside White Water 335 Comment
  RSA585644  Draba cuneifolia D. L. Banks, S. D. Boyd 1995-3-15 81 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 732 Comment
  UCR65289  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3867 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  CAS-BOT-BC41673  Draba cuneifolia var. integrifolia Peter H. Raven 1958-1-24 11448 Riverside Fargo Canyon. Comment
  RSA675704  Dryopteris arguta Scott D. White 2000-11-15 8146 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  RSA0114700  Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17495 Riverside 300 m south of Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.5 km ESE of Negro Hill. 1360 Comment
  POM93029  Dudleya lanceolata Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR104780  Dudleya lanceolata George K. Helmkamp 1997-4-3 3071 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river. 396 Comment
  RSA590724  Dudleya multicaulis R. E. Riefner 1996-5-16 96 -72 Riverside East side of Temescal Wash, community of El Cerrito Comment
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Jul 13 2010
  SDSU13833  Dudleya pulverulenta W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA0123698  Dudleya saxosa subsp. aloides Duncan S. Bell, LeRoy Gross 2016-3-30 9166 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
  UCR24174  Dudleya saxosa subsp. aloides John C. Roos, Lucille Roos 1949-4-23 4285 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Munsen Canyon Comment
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Apr 24 2011
  UCR211721  Dysphania botrys Fred M. Roberts, D. E. Bramlet 2005-6-6 6246 Riverside Perris Basin, San Jacinto Valley, San Jacinto River Wash, just west of SR 79 overpass, 1.4 km west-southwest of Gilman Hot Springs 442 Comment
  RSA696228  Echinocactus cylindraceus Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
  UC192798  Echinocereus engelmannii subsp. engelmannii Samuel B. Parish 1880-1 Riverside Whitewater; Colorado Desert, Whitewater Comment
  IRVC7933  Echinocereus engelmannii var. munzii R. H. Whittaker, W. A. Niering 1963-5-31 SJ 93 Riverside "Palm Canyon Road", off Palm to Pines Hwy. Peninsular Ranges, Santa Rosa Mountains 1220 Comment
  UCR37454  Eclipta prostrata Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA737428  Eichhornia crassipes Justin M. Wood 2008-8-31 128 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  RSA198947  Elatine chilensis R. F. Thorne, E. W. Lathrop, P. A. Munz 1968-5-8 37559 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  UCR178023  Eleocharis acicularis Randy Blackman 2006-10-24 s.n. Riverside Menifee Valley, weed in turf on softball field, Paloma Valley High School, 32375 Bradley Rd. between Holland Rd. and Garboni Rd. 450 Comment
  SEINET3911876  Eleocharis geniculata A. C. Sanders, P. J. MacKay; Donald L. Sanders 2003-2-9 25686 Riverside Colorado Desert: Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea.; 0 67 Comment
  UC839371  Eleocharis macrostachya I. W. Clokey, E. G. Anderson 1935-1 6565 Riverside Hemet Lake 1320 Comment
  UCR40398  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  UCR2744  Elymus elymoides F. M. Reed 1905-5-7 741 Riverside Peninsular Range, Box Springs Mtns., spring near summit of Pigeon Pass, Riverside and vicinity 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
  UC38190  Elymus glaucus H. S. Yates June 1901 2207 Riverside San Jacinto Mountains; s side 1645 Comment
  UCR207342  Elymus repens O. F. Clarke 2004-5-17 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CLARK-A1528-4607  Elymus triticoides John C. Roos 1951-10-24 5344 Riverside Riverside 259 Comment
  RSA357851  Emmenanthe penduliflora Robert F. Thorne, M. Z. Thorne 1973-3-30 42696 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SBBG29830  Emmenanthe penduliflora var. penduliflora E. Braunton -Mar-1940 2033 Riverside Berdoo Cyn Comment
  UCR140293  Encelia actoni A. C. Sanders 2004-4-9 27468 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  CLARK-A1528-203  Encelia californica B. Day 1952-2-6 Riverside Comment
  CAS-BOT-BC131328  Encelia farinosa Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2127 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  HSC88234  Encelia farinosa Elizabeth Neese 1979-4-10 7061 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  JEPS34116  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado desert 170 Comment
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UC1871079  Encelia farinosa Steve Boyd, T. S. Ross, W. Appleby 1993-3-20 7888 Riverside Colorado Desert; Northeastern Colorado Desert region; Southern end of Cadiz Valley, just east of the Coxcomb Mountains and northwest of the Granite Mountains, west edge of Highway 177, just south of intersection with Highway 62. 400 Comment
  UC665886  Encelia farinosa Ira L. Wiggins 1941-3-24 9578 Riverside 2.7 s Mortmar; Salton Sea Comment
  RSA188721  Ephedra californica H. U. Stauffer, Robert F. Thorne 1964-5-5 5921 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  SEINET10389795  Ephedra californica A. C. Sanders, Jim Malusa 2015-3-9 41358 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR38700  Ephedra californica J. M. Stewart 1985-4-28 8516 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  CAS-BOT-BC81821  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  CAS-BOT-BC81873  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  RSA85174  Ephedra trifurca F. W. Peirson 1938-4-10 12378 Riverside Near banks of Colorado River, 12-15 miles north of Blythe. Comment
  UCR234800  Epilobium campestre Jeremiah George 2012-6-14 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  OBI11871  Epilobium canum Carl B. Wolf 1940-10-31 9759 Riverside Colorado Desert. Cottonwood Springs 290 Comment
  RSA125973  Epilobium canum subsp. latifolium E. K. Balls 1957-11-4 22745 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  POM10085  Epilobium ciliatum subsp. ciliatum Charlotte M. Wilder 1906-10-8 885 Riverside Fairmont Park. Comment
  POM13397  Epilobium densiflorum E. C. Jaeger 1922-8-25 1017 Riverside San Jacinto Mtns: Skunk-Cabbage Meadow. 2226 Comment
  UCR195130  Epilobium densiflorum A. C. Sanders, Tim Thomas 2008-8-1 35954 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UCR24937  Epipactis gigantea A. C. Sanders 1980-7-22 1715 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  RSA0037243  Equisetum funstonii Keith E. Hoffmaster 1934-4-22 s.n. Riverside Santa Ana Mts. Comment
  UCR114926  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
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Jul 22 2015
  UCR93087  Eragrostis minor A. C. Sanders, S. Ogg 1994-7-28 15173 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  POM8640  Eremalche exilis P. A. Munz, R. D. Harwood 1920-4-3 3563 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  RSA0108941  Eremalche exilis Duncan S. Bell, Amanda Bell 2012-1-28 3069 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  SD225015  Eremalche exilis A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16022 Riverside Coachella Valley: Indio, just SE of the Whitewater River Channel at Auto Center Dr. (Hwy 111) -7 Comment
  RSA4888  Eremalche rotundifolia Carl B. Wolf 1932-4-27 3004 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA726572  Eremalche rotundifolia Naomi S. Fraga, Lisa Rojas 2005-2-10 1408 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SFV7917  Eremalche rotundifolia T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1280 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  RSA586937  Eremocarpus setiger D. L. Banks, Peter Morrell 1995-5-4 0303 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, N of the Wildhorse Trail, along Arroyo Seco. 597 Comment
  RSA628827  Eremocarpus setiger A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22229 Riverside Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  CAS-BOT-BC160053  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  JOTR34317  Eremothera boothii subsp. condensata Andre, Jim 2012-4-11 20815 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  JEPS48796  Eriastrum densifolium Marjorie D. Clary 1932-6-5 926 Riverside Dead Indian Trail west side Colorado Desert, Santa Rosa Mts. Comment
  UCR242662  Eriastrum densifolium A. C. Sanders 2013-7-6 40851 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  UCR268288  Eriastrum densifolium subsp. austromontanum Jim Andre 2012-6-15 30534 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR35045  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-6-14 159 Riverside San Jacinto Valley, 1 mi. east of San Jacinto 473 Comment
  UCR252812  Eriastrum densifolium subsp. sanctorum Ana Hernandez, Angela Collada 2013-6-12 046 Riverside Santa Ana River, between Market Street and Mission Blvd 245 Comment
  UC667329  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-5-23 2219 Riverside 4 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1112 Comment
  UC727405  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  CAS-BOT-BC514464  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree Nat. Monument Comment
  RSA120688  Eriastrum harwoodii Duncan S. Bell 2010-4-1 650 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  SEINET3005079  Eriastrum harwoodii G. Rink 2011-5-7 10517 Riverside Large powerlines about 10 miles west-southwest of Blythe, active sand dunes 121 Comment
  CAS-BOT-BC515004  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1931-5-30 6595 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA709797  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi. E of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun City. 457 Comment
  POM359406  Ericameria linearifolia Ora M. Clark 1929-2-23 1545 Riverside South of Cabazon Comment
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Mar 13 2011
  JOTR33673  Ericameria nauseosa var. mohavensis La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2663 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  CAS-BOT-BC299528  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-23 12299 Riverside Murietta Comment
  POM10310  Ericameria palmeri var. pachylepis Stephen Grout s.n. Riverside Riverside, W of house near tannery, Rubidoux. Comment
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Jun 9 2012
  POM266285  Ericameria palmeri var. pachylepis J. C. Roos 1937-11-2 2447 Riverside Hills N of Pigeon Pass, Northwestern Riverside County. Comment
  LA27286  Ericameria paniculata Lewis S. Rose; 1946-12-25 46307 Riverside San Gorgonia Pass, 5 mi. E of Cabazon, Comment
  RSA736780  Ericameria parishii Scott D. White, Angelia Carey 2004-7-2 10559 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SFV13134  Ericameria parishii var. parishii M. J. Thor 1982-9-18 155 Riverside San Jacinto Mountains Idyllwild. Saunders Meadow Road, 0.25 miles from State Highway 243. 1524 Comment
  LA202515  Ericameria pinifolia F. H. Lewis; 1939-11-22 1032 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  RSA673472  Erigeron foliosus Scott D. White, Tasha La Doux 2000-4-20 7715 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR158318  Erigeron foliosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30049 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
  UCR176184  Erigeron foliosus Amber Bruno 2005-6-7 51 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
  VVC61  Erigeron foliosus A. C. Sanders, J. Mac 1997-5-4 20685 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UC1483923  Erigeron foliosus var. foliosus C. W. Tilforth and John Dourley 1980-7-15 2067 Riverside 0.1 mi in from Hiway 74 (on north leg of Thomas Mt. Rd., South of Lake Hemet & west of Hiway 74) Comment
  RSA89920  Erigeron foliosus var. stenophyllus E. K. Balls, Percy C. Everett 1953-7-1 18351 Riverside 2.2 miles NW of boundary of San Bernardino National Forest, raod from Idyllwild to Banning. Comment
  POM263072  Eriochloa aristata J. C. Roos 1937-8-20 477 Riverside Palo Verde Valley, Colorado Desert. Comment
  UCD65733  Eriochloa contracta J. C. Roos 1963-8-10 Riverside Blythe. Comment
  OBI40179  Eriodictyon crassifolium N. Miles Fellows 1984-3-20 10 Riverside Oasis de Los Osos Preserve, off Snow Crk cyn at then orth foot of the San Jacinto mtns., 1 mi W of Snow Creek Village. 488 Comment
  POM3886  Eriodictyon crassifolium Jenkins, L. T. Street s.n. Riverside San Jacinto River Canyon. Comment
  UCR268308  Eriodictyon crassifolium var. crassifolium Jim Andre 2012-6-15 30499 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  SBBG34234  Eriodictyon crassifolium var. nigrescens T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  CAS-BOT-BC222693  Eriodictyon trichocalyx Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA601086  Eriodictyon trichocalyx A. C. Sanders, J. Goetzen 1996-5-1 18124 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  SEINET6894776  Eriogonum W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CAS-BOT-BC248634  Eriogonum apiculatum William M. Klein 1960-8-22 1582 Riverside North of Idyllwild along the trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mts. Comment
  CLARK-A1528-3617  Eriogonum apiculatum John C. Roos 1946-8-27 2925 Riverside Santa Rosa Mountains 2194 Comment
  JEPS56711  Eriogonum davidsonii Marjorie D. Clary 1932-5-25 1645 Riverside between Indio and Pinyon Well; Little San Bernardino Mts., Berdoo Canyon 609 Comment
  RSA393168  Eriogonum davidsonii P. A. Munz 1922-9-6 s.n. Riverside North of Dark Canyon. 1524 Comment
  UCR238089  Eriogonum davidsonii Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2051 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  SBBG45497  Eriogonum deflexum Leota Davidson 1966-4-5 419 Riverside Wiley Well Rd 18 mi W of Blythe, Chuckawalla Mtns 213 Comment
  UCR133946  Eriogonum elongatum John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR161402  Eriogonum elongatum A. C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR102851  Eriogonum fasciculatum A. C. Sanders 1997-4-3 20142 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  CAS-BOT-BC249959  Eriogonum fasciculatum var. foliolosum Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Near Idyllwild, along road Comment
  POM13746  Eriogonum fasciculatum var. foliolosum E. C. Jaeger 1921-7-15 1193 Riverside Soboba Hot Springs Comment
  POM158441  Eriogonum fasciculatum var. foliolosum P. A. Munz 1927-5-21 10881 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  POM50380  Eriogonum fasciculatum var. foliolosum W. W. Eggleston 1924-3-8 19528 Riverside Hemet. 480 Comment
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Mar 24 2011
  RSA339070  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1980-5-28 54214 b Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UC56792  Eriogonum fasciculatum var. polifolium W. L. Jepson May 17 1901-Jun 1 1901 1338 Riverside East base San Jacinto Mt. San Jacinto Mt. 914 Comment
  UC56798  Eriogonum gracile E. A. Zumbo Oct, 1902 364 Riverside Riverside Comment
  RSA0097125  Eriogonum gracile var. incultum Marc A. Baker 2015-7-9 18403 Riverside San Gorgonio Pass, 32 km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4 km ENE of Banning. 638 Comment
  UCR234757  Eriogonum gracile var. incultum A. C. Sanders, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  JOTR29228  Eriogonum inflatum La Doux, Tasha 2005-8-17 1537 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  UCR20696  Eriogonum inflatum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1323 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CAS-BOT-BC263118  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  JOTR37441  Eriogonum maculatum Hodges, Stephen, T. Green 2016-5-24 563 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
  UC849724  Eriogonum maculatum I. W. Clokey 1935-4-17 6596 Riverside Cottonwood Springs Comment
  JEPS56712  Eriogonum molestum Marjorie D. Clary 1932-7-4 995 Riverside Vandeventer Flats San Jacinto Mts., Vandeventer Flats 1341 Comment
  POM250544  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside East of Keen Camp P.O. 1370 Comment
  OBI6102  Eriogonum nodosum var. jaegeri Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino cnty line 732 Comment
  JEPS56484  Eriogonum pusillum Marjorie D. Clary 1932-5-13 1037 Riverside Lost Horse Canyon, north Colorado Desert Colorado Desert, Lost Horse Canyon 1219 Comment
  SD232303  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  JOTR30124  Eriogonum reniforme La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1688 Riverside Joshua Tree National Park. Stop #3= Northwest end of Eagle Mtns., near road heading to Cottonwood 898 Comment
  RSA64578A  Eriogonum reniforme F. W. Peirson 1914-04 1737 Riverside Whitewater, west end of Coachella Valley. Comment
  RSA614477  Eriogonum thomasii George K. Helmkamp 1998-4-4 3171 Riverside 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  RSA735241  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11213 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
  SD127574  Eriogonum thomasii David Charlton 1988-2-18 1143 Riverside Alluvial fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, paralell to I-10. 1 mi. E of Jct Dillon Road and Fargo Cyn Road 609 Comment
  UC634598  Eriogonum thomasii Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  UCR251352  Eriogonum thomasii S. J. Myers 2014-5-21 1064 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  POM122954  Eriogonum thurberi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  UC1595607  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside e Dorland Mt. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  CAS-BOT-BC263590  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs Comment
  RSA795948  Eriogonum trichopes Duncan S. Bell 2009-4-19 269 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SBBG65499  Eriogonum trichopes S. G. Stokes 1933-4-9 51 Riverside S of Palm Springs Comment
  UCR275140  Eriogonum trichopes Aaron C. Sedgwick, David Fraker 2012-4-24 002 Riverside Sonoran (Colorado) Desert, Palen Valley south of Hwy I-10 on Dupont Road, c. 2 miles northeast of the Chuckwalla Mountains Wilderness Area 183 Comment
  RSA593382  Eriogonum wrightii var. membranaceum Scott D. White 1996-7-23 4363 Riverside San Jacinto/ Santa Rosa Mountains: Pine Meadow: Along Hwy 74 just SE of Garner Valley and about 2 road miles NW of jct. w/ Hwy 371. 1418 Comment
  SD229231  Eriogonum wrightii var. nodosum Dick Schwenkmeyer 2012-11-6 868 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  CDA28204  Erioneuron pulchellum A. A. Beetle 1942-4-23 3186 Riverside Rt. 95, 9 miles north of Blythe. 0 Comment
  CDA33879  Eriophyllum confertiflorum Mike Lahti 2010-5-5 PDR# 1358682 Riverside East side of Hemet. 0 Comment
  RSA651121  Eriophyllum confertiflorum Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA651122  Eriophyllum confertiflorum R. Garner 1974-7-1 s.n. Riverside San Jacinto Mts. Comment
  UCR135984  Eriophyllum confertiflorum A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27906 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  LA203544  Eriophyllum confertiflorum var. confertiflorum Elizabeth McClintock; 1935-3-3 sn Riverside Pedley Hills Comment
  UCR110960  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp 1998-6-27 4088 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CLARK-A1528-4853  Eriophyllum confertiflorum var. trifidum John C. Roos 1937-4-18 1369 Riverside Snow Creek Comment
  UC896341  Eriophyllum multicaule C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4734 Riverside open slope Gavilan Peak 600 Comment
  UCR126441  Eriophyllum multicaule T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 69 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  UCR281271  Eriophyllum multicaule Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 31 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  RSA736645  Erodium botrys Scott D. White, Angelia Carey 2004-4-5 10030 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR167074  Erodium botrys Scott D. White 2005-3-29 10846 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
  RSA716391  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR97247  Erodium cicutarium Scott D. White 1997-2-28 4720 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SEINET244841  Erodium macrophyllum Ian G. Gillespie 2000-4-19 10 Riverside Temescal Valley; 0.9 mi SE of Indian Truck Trail and 30 m S of DePalma Road. 427 Comment
  RSA0130727  Erodium texanum Glen Rink 2013-3-18 11877 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  RSA0077524  Erysimum asperum G. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  SD128268  Erysimum capitatum R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2066 Riverside Along Coyote Canyon Road, Terwilliger Valley 1170 Comment
  POM159828  Erysimum capitatum var. capitatum E. C. Jaeger 1926-3-27 s.n. Riverside Old Santa Rosa, Colorado Desert. [possibly deserted Santa Rosa Indian Village, Santa Rosa Mtns. -SW] Comment
  SEINET247325  Erysimum capitatum var. capitatum Noel H. Holmgren, Liew Fah Seong 1969-6-17 3581 Riverside San Jacinto Mountains; Black Mountain, campground at the turnoff to a lookout tower. Comment
  RSA0020244  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 637 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0020249  Erythranthe floribunda Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA433688  Eschscholzia californica N. C. Cooper 1949-6-3 4148 Riverside Temecula 762 Comment
  UCR113140  Eschscholzia californica A. C. Sanders 1998-3-11 21664 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, saddle dam site 534 Comment
  RSA192345  Eschscholzia californica var. peninsularis E. W. Lathrop 1966-5-15 6312 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UCD96464  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 257 Riverside California. Riverside County: Joshua Tree National Park. 810 Comment
  JEPS51694  Eschscholzia parishii W. L. Jepson 1927-4-12 11668 a Riverside Painted Canyon; Mecca Hills 76 Comment
  JOTR30632  Eschscholzia parishii Andre, Jim, Tasha La Doux 2008-3-21 8836 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  RSA0022916  Eschscholzia parishii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  UC421604  Eschscholzia parishii John Thomas Howell 1928-3-25 3539 Riverside Painted Canyon Colorado Desert Comment
  UCR30090  Eschscholzia parishii George K. Helmkamp 1983-4-5 483 2 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UC1608075  Eucalyptus camaldulensis A. C. Sanders 1985-12-19 5953 Riverside 3 mi. w. San Jacinto (s.e. corner of the intersection of Cottonwood Ave. & Warren Rd., at Cottonwood (Reflection) Lake); Cottonwood (Reflection) Lake 487 Comment
  UCR111739  Eucalyptus camaldulensis S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR140735  Eucalyptus camaldulensis A. C. Sanders 2004-5-12 27858 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  SEINET12193322  Eucalyptus citriodora O. F. Clark 1967-1 C 670204 -1 Riverside Riverside, Univ. of California Campus, S side of Life Science Blgd Comment
  RSA776250  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  RSA715256  Eucrypta chrysanthemifolia A. C. Sanders 2006-5-19 32443 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
  UCR152518  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR165411  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-21 29579 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR98071  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19900 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  POM8546  Eucrypta chrysanthemifolia var. bipinnatifida Mary F. Spencer 1920-4-7 210 Riverside Palm Canyon. Comment
  OBI29871  Eucrypta chrysanthemifolia var. chrysanthemifolia Melissa Luckow, Rhonda Riggins 1982-4-15 830 Riverside hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UCR93027  Eucrypta chrysanthemifolia var. chrysanthemifolia G. P. Schultz 1994-4-8 57 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  RSA0107848  Eucrypta micrantha Duncan S. Bell, Amanda Turek 2009-3-30 168 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  UCR280922  Eucrypta micrantha Fred M. Roberts 2016-3-5 7997 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  SBBG47468  Eulobus californicus N. C. Cooper 1944-5-6 1210 Riverside Whitewater Cyn 457 Comment
  HSC24947  Euonymus occidentalis var. parishii Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mtns. 1921 Comment
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SDSU21594  Euphorbia micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, ca. 2.6 air miles west of Priests Well, and ca. 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR163055  Euphorbia micromera B. G. Pitzer, G. R. Ballmer 2000-10-14 4235 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  RSA575852  Euphorbia ocellata subsp. ocellata Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 588 Comment
  POM48116  Euphorbia palmeri Mary F. Spencer 1919-6-27 1227 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC17654  Euphorbia palmeri H. M. Hall May 1899 1116 Riverside Strawberry Valley; San Jacinto Mountains 1828 Comment
  UCR21194  Euphorbia polycarpa Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA432487  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-5-20 2646 Riverside Pinyon Flats. 1067 Comment
  UCR111774  Euphorbia polycarpa var. hirtella Mitch Provance, J. Ross 1999-4-1 1726 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR33591  Euphorbia polycarpa var. polycarpa Sears 1977-10-15 S- 613 Riverside Sonoran (Colorado) Desert, Midland [SE of], foothills of the Big Maria Mountains 244 Comment
  UCR74375  Euphorbia setiloba Theo Glenn 1991-5-2 91- 25 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SDSU11512  Fagonia chilensis var. laevis A. H. Gallup 1949-3-28 376 Riverside Near Palms to Pines Hwy. 732 Comment
  CAS-BOT-BC167374  Fagonia laevis Carl B. Wolf 1932-4-27 2998 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  LA209846  Fagonia laevis Harlan Lewis; 1939-12-31 1165 Riverside Desert Center Comment
  RSA4882  Fagonia laevis Carl B. Wolf 1932-4-27 2998 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road. 152 Comment
  UC1212089  Fagonia laevis Peter M. Ray 1949-3-6 1328 Riverside near 1000 Palms (Willis Palms); Coachella Valley Comment
  UCR16344  Fagonia laevis J. Texera 1970-3-27 3 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  RSA77845  Fagonia pachyacantha F. W. Peirson 1922-4-12 2889 Riverside along boulevard, 18 mi. southeast of Coachella. Comment
  UC2015643  Fagonia pachyacantha A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16083 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR121665  Fatoua villosa A. C. Sanders, T. B. Salvato 2001-10-8 24878 Riverside Santa Ana River Valley Region, Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E Campus Dr., just north of the reservoir 351 Comment
  UCR92643  Festuca arundinacea Steve Boyd 1985-7-23 1016 B Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR117407  Festuca dertonensis A. C. Sanders, Carolyn Washburn 2001-5-10 24229 Riverside Perris-Aguanga Basin region, S of Hemet near North Domenigoni Hills, Domenigoni Parkway at MWD Canal 451 Comment
  SEINET1910073  Festuca microstachys T. B. Salvato, John F. Green 2004-1 572 Riverside San Bernardino Mts; Head of banning (San Gorgonia River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp (Forest Falls 7.5) 409 Comment
  UCR167060  Festuca octoflora Scott D. White 2005-3-29 10835 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
  SEINET8043951 Image available Ficus carica A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41553 Riverside Peninsular Range: Eeastern 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
  RSA381633  Ficus palmata W. P. Armstrong 1986-4-6 1260 Riverside Univ. Calif. Riverside - near hillside test plots E of main campus 366 Comment
  RSA339655  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54229 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SEINET7073467  Filago californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR156089  Filago californica T. B. Salvato, Kent Beaman 2005-5-16 797 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR260547  Filago californica T. B. Salvato, Matt Malle 2014-5-29 8023 A Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR177862  Filago depressa Marisa Sripracha, K. A. Boyd 2004-3-21 044 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR41525  Filago depressa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6019 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR31848  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  SD80100  Forestiera neomexicana Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 424 Riverside Above 1st turnout east side Santa Rosa Mountain Road, 0.6 mile above Highway 74. 1524 Comment
  SEINET6645833  Fouquieria splendens G. C. Wheeler, J. Wheeler 1968-4-8 s.n. Riverside Deep Canyon Desert Research Area Comment
  JEPS45714  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts., Colorado River Comment
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Nov 9 2014
  UCR244305  Fouquieria splendens subsp. splendens Jim Andre 2012-4-15 20854 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
  RSA0018446  Fragaria vesca Elbert Benjamine 1929-5-19 213 Riverside Mount San Jacinto. Comment
  CAS-BOT-BC454537  Fragaria vesca subsp. californica Marcus E. A M Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, California Comment
  SD229245  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-6-27 742 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA80819  Frankenia grandifolia F. W. Peirson 1924-6-21 4761 Riverside Alkaline flat near Lake Elsinore near south end 375 Comment
  CLARK-A1528-533  Frankenia grandifolia var. campestris Ruth Cooper 1941-6-8 65 K Riverside Perris Comment
  POM3542  Fraxinus velutina var. coriacea I. M. Johnston 1917-12-1 1804 Riverside Santa Ana River, NW of Corona. 183 Comment
  POM48349  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8866 Riverside San Gorgonio Canyon, North of Banning 1372 Comment
  UCD95139  Fumaria parviflora Gary W. Sanderson 1960-2-24 s.n. Riverside east side of State Highway 111, 1 mile north of Indio towards Palm Springs. Comment
  POM97113  Funastrum cynanchoides var. hartwegii P. A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  RSA0106697  Funastrum hirtellum Duncan S. Bell, Thomas Stoughton 2010-3-19 566 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA775264  Galium Duncan S. Bell 2011-4-8 2207 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR131830  Galium angustifolium Jennie Phui 1998-5-30 039 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
  RSA544389  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1991-6-14 6404 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA772405  Galium angustifolium subsp. angustifolium Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4860 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  POM46823  Galium angustifolium subsp. gracillimum Mary F. Spencer 1920-4-6 1476 Riverside Palm Springs. 122 Comment
  UCD121590  Galium angustifolium subsp. gracillimum Geoffrey Levin 1975-4-26 482 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  RSA586143  Galium aparine D. L. Banks, Steve D. Boyd 1995-3-16 105 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
  RSA708078  Galium aparine Scott D. White, Angelia Carey 2004-4-16 10192 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA655211  Galium porrigens Scott D. White 1999-7-9 7536 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  CAS-BOT-BC178384  Garrya flavescens Lester Rowntree 1937-11-6 s.n. Riverside Along side of Santa Rosa Mt. Comment
  UCR177113  Garrya veatchii Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1106 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA585504  Gastridium phleoides D. L. Banks, Steve Boyd 1995-5-9 365 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  POM30737  Geraea canescens Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA0108940  Geraea canescens Duncan S. Bell, Amanda Bell 2012-1-28 3070 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA703806  Geraea canescens LeRoy Gross 2005-3-3 1603 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCR167262  Geraea canescens John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR90169  Geraea canescens R. W. Scora 1966-4-1 3015 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA391014  Geranium richardsonii M. B. Dunkle 1933-7-22 3748 Riverside Tahquitz Valley. 2317 Comment
  RSA0103445  Gilia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8563 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  UCR127533  Gilia A. C. Sanders 2002-5-4 25041 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  UCR193301  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA12924  Gilia angelensis C. B. Wolf 1935-4-7 6314 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  RSA495459  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2987 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA501034  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3155 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA525457  Gilia angelensis Steve Boyd, Dave Bramlet 1990-4-29 4502 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA659468  Gilia angelensis J. C. Roos 1952-4-23 5578 Riverside 1 year old burn on north side Box Springs Mtns. 457 Comment
  RSA678422  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  SD251264  Gilia angelensis A. C. Sanders, Mitch Provance, T. B Salvato 2001-4-6 23968 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route. 366 Comment
  UCR116010  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR19409  Gilia angelensis C. S. Papp 1960-5-17 014 Riverside Elsinore Comment
  UCR49235  Gilia angelensis Steve Boyd 1986-4-2 1615 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA359866  Gilia angelensis Steve Boyd 1986-4-2 1615 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA741207  Gilia capitata subsp. abrotanifolia Scott D. White, Justin M. Wood 2008-5-15 11960 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA748919  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Agua Tibia Wilderness Area, 2.4 mi. (air) WSW of Radec 622 Comment
  POM8322  Gilia latiflora subsp. latiflora Mary F. Spencer 1920-4-5 1572 Riverside Palm Springs, Colorado Desert. 122 Comment
  SEINET3087440 Image available Gilia ochroleuca subsp. exilis Andrew C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns.; lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  UCR280974  Gilia ochroleuca subsp. exilis Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 76 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  CAS-BOT-BC407806  Gilia ochroleuca subsp. exilis H. M. Hall 1901-6-1 2060 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  RSA0017105  Gilia ochroleuca subsp. exilis Verne Grant, Alva Grant 1951-7-22 16107 Riverside 1 mi. N of Fulmor Lake on road from Idyllwild to Banning 1372 Comment
  RSA0017269  Gilia ochroleuca subsp. exilis Anstruther Davidson 1892-05 s.n. Riverside Banning. 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
  GMDRC9815  Gilia stellata J. M. Andre 2017-3-1 38049 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  JEPS61581  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside 8 mi sw Coachella (w of Coral Reef Ranch); Colorado Desert, sw of Coachella 91 Comment
  JOTR30804  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
  RSA0124002  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-4-13 9248 B Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UC667389  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-5-14 2168 a Riverside 5.5 mi s Cottonwood Spring (Eagle Mountains); Colorado Desert, , s of Cottonwood Spring 502 Comment
  UCR162851  Gilia stellata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 239 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, W edge of main canyon near the BLM gate 534 Comment
  RSA586499  Githopsis diffusa subsp. diffusa D. L. Banks, S. D. Boyd 1995-5-9 0330 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SEINET1008980  Glandularia pulchella A. C. Sanders, B. Pitzer, D. Charlton 1986-1 16 -B.G. Riverside Cultivated on grid cell # A-3, near B-3 border. 396 Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  POM182409  Glycyrrhiza lepidota J. B. Feudge 1930-7-24 2090 Riverside Santa Ana River, 2 miles N of Riverside. Comment
  SD181699  Gnaphalium Scott D. White 2000-5-30 7970 Riverside Ca. 1.0 mile southeast of the I-15/ El Cerrito Road junction adjacent to new housing construction. 334 Comment
  RSA583382  Gnaphalium californicum Steve Boyd, Darin Banks 1995-4-5 8432 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR100214  Gnaphalium canescens subsp. beneolens Scott D. White 1992-12-16 979 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UCR19791  Gnaphalium canescens subsp. beneolens W. W. Mayhew 1977-10-1 s.n. Riverside San Jacinto Mtns., [Hwy 243] 1 mi SE of Poppet Rd. 1341 Comment
  UCR119264  Gnaphalium canescens subsp. microcephalum Mitch Provance 1998-6-10 637 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  POM18166  Gnaphalium leucocephalum H. Baer 1922-9-10 s.n. Riverside Lee Lake, Temescal canyon Comment
  RSA586158  Gnaphalium luteoalbum D. L. Banks, S. D. Boyd 1995-3-30 0123 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 726 Comment
  POM8299  Gnaphalium microcephalum P. A. Munz 1920-2-28 3273 Riverside 3 miles west of Corona. 305 Comment
  RSA560849  Gnaphalium palustre Steve Boyd, Tim Ross 1992-5-4 7175 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA788877  Gnaphalium palustre Gary D. Wallace 2003-7-8 4047 Riverside Hidden Lake. Comment
  UCR110921  Gnaphalium palustre A. C. Sanders, K. C. Rose 1999-6-18 22824 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR88546  Gnaphalium stramineum A. C. Sanders, J. C. Lyman 1995-4-16 16565 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA430051  Guillenia lasiophylla E. C. Jaeger 1920-03 s.n. Riverside Palm Springs. Comment
  RSA430052  Guillenia lasiophylla Anstruther Davidson 1904-5-1 1095 Riverside Palm Springs. Comment
  RSA556447  Gutierrezia californica Julie Greene 1993-4-30 1280 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  SD48519  Gutierrezia californica E. K. Balls, P. C. Everett 1957-11-4 22744 Riverside Snow Creek, north base San Jacinto Mountains. 700 Comment
  UC63369  Gutierrezia californica E. A. Zumbro 1902-10-1 360 Riverside Riverside Comment
  UCR93820  Gutierrezia californica P. J. MacKay 1996-6-15 004 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  UC2029948  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR67365  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3920 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  RSA0066635  Harpagonella palmeri D. L. Banks, S. D. Boyd 1995-5-9 398 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UC57440  Helenium puberulum H. M. Hall 1901-8-1 Riverside vicinity Riverside 259 Comment
  UCR107719  Helianthus annuus A. C. Sanders 1997-3-1 19739 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
  RSA0045287  Helianthus annuus subsp. lenticularis Margaret Murphy 1983-5-15 0024 -C Riverside Dry river wash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR231737  Helianthus gracilentus John F. Green 2008-4-23 08- 06 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA388419  Heliotropium curassavicum var. oculatum R. F. Thorne 1985-7-18 61193 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA413248  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River, near aqueduct crossing. 245 Comment
  RSA575895  Heliotropium curassavicum var. oculatum Steve Boyd 1994-10-14 8388 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon 329 Comment
  VVC2321  Heliotropium curassavicum var. oculatum Tim Thomas 2011-10-17 5522 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  SDSU4752  Hemizonella minima D. F. Howe 1941-6-8 1110 Riverside San Jacinto Mts. 1829 Comment
  UCR139191  Hemizonia fasciculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR85583  Hemizonia kelloggii Julie A. Greene 1993-5-12 1322 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  RSA678266  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 -b Riverside McCall Memorial Park Campground. 1311 Comment
  UCR139192  Hemizonia paniculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR167688  Hemizonia paniculata T. B. Salvato, Melissa Clemons 2005-6-23 1289 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  UCR172160  Hemizonia paniculata T. B. Salvato, Gregg Miller 2005-6-3 1378 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  UCR58884  Hemizonia paniculata Ed LaRue 1989-5-8 s.n. Riverside Peninsular Range, Mockingbird Canyon area, south of Van Buren Blvd and c. 1/2 mi (airline) east of Mockingbird Canyon Road. Comment
  RSA450756  Hemizonia pungens subsp. laevis J. C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  GMDRC4153  Hesperocallis undulata J. Andre, T. La Doux 2010-2-28 12546 Riverside Lower Colorado River Valley: along Hwy 95 approx 20 mi. south of Vidal Junction, at southeast corner of Riverside Mountains 145 Comment
  SDSU11463  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1.4, of northwest 1/4 of section 35. 390 Comment
  PASA1743  Heterotheca grandiflora Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  UCR251999  Heterotheca sessiliflora A. C. Sanders, T. B. Salvato 2014-7-2 41156 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA596158  Heterotheca sessiliflora subsp. echioides D. L. Banks 1996-11-7 1218 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA1640436A  Heterotheca sessiliflora subsp. fastigiata J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  RSA0063009  Heuchera elegans E. C. Jaeger 1921-07 1040 Riverside Tahquitz Creek, San Jacinto Mts. 2134 Comment
  UCR260190  Heuchera rubescens Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4990 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  POM13900  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4832 Riverside South base of Eagle Mountains 213 Comment
  RSA432775  Hibiscus denudatus Chas. Gabriel 1925-12-16 225 Riverside Rincon [R. Village, Andreas Canyon] Comment
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Nov 17 2011
  RSA432779  Hibiscus denudatus N. C. Cooper 1949-4-8 3278 Riverside Desert Center. 610 Comment
  RSA775270  Hibiscus denudatus Duncan S. Bell 2011-4-8 2201 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR168263  Hibiscus denudatus Scott D. White 2001-4-3 8261 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR19102  Hibiscus denudatus John C. Roos, Lucille Roos 1949-4-6 4145 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  UCR60775  Hibiscus denudatus Steve Boyd, Orlando Mistretta 1986-3-13 1474 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  JOTR36085  Hilaria rigida La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3312 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  UCD90086  Hilaria rigida H. S. Yates 1937-3-23 6442 Riverside 15 miles N. N. E. of Mecca. 457 Comment
  CAS-BOT-BC207511  Hoffmannseggia glauca Aven Nelson; Ruth Nelson 1939-3-30 3344 Riverside Hiway 70, between Mecca and Blythe Comment
  UC570587  Hoffmannseggia glauca Frank W. Peirson 1935-4-17 11469 Riverside 9 mi s Blythe Comment
  UCR163059  Hoffmannseggia glauca B. G. Pitzer, G. R. Ballmer 2000-10-14 4220 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  LA45810  Hoffmannseggia microphylla A. M. Johnson; 1928-5-5 365 Riverside Painted Canyon, Colorado Desert Comment
  SEINET5554663  Hoffmannseggia microphylla R. H. Peebles, H. F. Loomis 1930-1 190 Riverside Near Shavers Well. Comment
  RSA160424  Holodiscus discolor J. D. Olmsted 1959-4-30 504 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona 793 Comment
  RSA192269  Hordeum brachyantherum subsp. californicum E. W. Lathrop 1966-5-11 6289 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  UC1931198  Hordeum brachyantherum subsp. californicum Scott D. White, Justin Wood 2008-7-9 12418 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR140722  Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR84843  Hordeum murinum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16136 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA522779  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3886 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
  SD181758  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 Riverside Gavilan Hills: south base of Alberhill Mountain on flats north of Nichols Road and West os pierce Street, in the vicinty of the dite of Tera Cotta Comment
  CAS-BOT-BC148567  Horkelia clevelandii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UC114267  Horkelia clevelandii C. R. Orcutt 1890-7-25 2104 Riverside San Jacinto Mts. Comment
  RSA0013706  Hornungia procumbens LeRoy Gross, Grace Cho 2013-4-9 6002 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  CAS-BOT-BC201090  Hosackia crassifolia Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mts.: Lake Fulmor 1676 Comment
  UC219566  Hulsea vestita subsp. callicarpha P. A. Munz 1922-6-28 5877 Riverside near Toro Peak; Santa Rosa Mts. 2407 Comment
  UC90384  Hulsea vestita subsp. callicarpha A. W. Anthony 1895-7-5 Riverside San Jacinto Mountains 2743 Comment
  UCR110974  Hulsea vestita subsp. callicarpha George K. Helmkamp 1998-6-27 4114 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR137742  Hydrocotyle ranunculoides L. C. Wheeler 1961-6-24 7907 Riverside San Jacinto Mountains, Fulmor Lake Comment
  RSA388391  Hypericum perforatum R. F. Thorne 1985-7-18 60067 Riverside Santa Rosa Plateau: Upper Clinton Keith Road 488 Comment
  CAS-BOT-BC219756  Hyptis emoryi Barbara Ertter; Jeffrey Strachan 1980-5-20 3478 Riverside Highway 74 (Pines to Palms Highway) near Black Hill between Palm Desert and Santa Rosa Mt 914 Comment
  CHSC27888  Hyptis emoryi Mike Cecchini 1978-3-24 5 Riverside Palm Springs. Ca. 200 m s of Palm Canyon Wash and 5 m ne of the Broadmoor Dr. water tank, 3 km se of Palm Springs Municipal Airport. 315 Comment
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Feb 26 2008
  HSC14207  Hyptis emoryi J. J. Wagoner 1965-4-13 35 Riverside E slope of San Jacinto along Palms to Pines Hwy., 7 mi. W of Palm Desert 213 Comment
  HSC66539  Hyptis emoryi Christopher Davidson 1979-4-4 7686 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  JOTR29560  Hyptis emoryi Andre, Jim, Tasha LaDoux 2006-4-11 6734 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  RSA420163  Hyptis emoryi Robert Gustafson 1981-4-7 s.n. Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA651634  Hyptis emoryi David B. Dunn, H. Lint 1955-4-1 11843 Riverside Pushawalla Canyon, Indio Hills. Comment
  SD225006  Hyptis emoryi G. K. Helmkamp 1998-4-4 3178 Riverside Colorado Desert: 2.3 mi N of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UC61586  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); , near Mecca Comment
  UC987821  Hyptis emoryi Reid Moran 1941-5-5 854 Riverside Eagle Mountains Cottonwood Pass; , Cottonwood Pass Comment
  UCR281015  Hyptis emoryi Fred M. Roberts 2016-3-5 7991 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  CAS-BOT-BC311617  Isocoma acradenia var. eremophila S. B. Parish 1912-6-28 8117 Riverside Mecca Comment
  RSA125959  Isocoma acradenia var. eremophila E. K. Balls, P. C. Everett 1957-11-5 22759 Riverside Beside Salton Sea, Hwy 111, 5.1 miles NW County line -70 Comment
  UCR90976  Isocoma menziesii var. vernonioides Scott D. White 1995-12-30 3802 Riverside Perris Basin, SW of Perris, above S bank of San Jacinto River. 442 Comment
  RSA357000  Isoetes howellii R. F. Thorne 1973-5-23 43875 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 609 Comment
  SEINET3863769  Isoetes howellii Robert F. Thorne 1973-5-23 43852 Riverside Santa Rosa Plateau: Wet margin of large vernal pool N side of Mesa de Colorado.; 0 610 Comment
  CHSC83701  Isomeris arborea John Dittes 2002-1-4 2 -45 Riverside Mojave Desert; Little San Bernardino Mountains, ca. 6.5 air-miles north of Indio. In wash on bajada of West Berdoo Canyon, northwest of Berdoo Canyon 4WD trail. 243 Comment
  RSA0035135  Isomeris arborea Lee Haines 1952-4-6 s.n. Riverside Box Canyon, HIghway 195. Comment
  CSUSB714  Isomeris arborea var. angustata Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
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Aug 26 2014
  RSA0077522  Isomeris arborea var. angustata G. Wallace 1964-4-26 s.n. Riverside Palm Springs area. Comment
  RSA227712  Jepsonia parryi Gary D. Cromwell 1972-2-15 709 Riverside Small canyon canyon off Los Alamos Canyon, 8 mi. SSW of Lake Elsinore and unpaved road #7So4, USDA Forest Serv. map, Trabuco Dist., Cleveland Nat. Forest. 488 Comment
  RSA613135  Jepsonia parryi D. L. Banks 1997-3-6 1405 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  RSA597231  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1098 Comment
  UC1930100  Juncus arcticus var. mexicanus Scott D. White, Justin Wood 2008-6-5 12062 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  PASA628  Juncus bufonius Frank W. Peirson 1922-4-29 Riverside South side Lake Elsinore Comment
  RSA198996  Juncus bufonius Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37449 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  RSA786557  Juncus bufonius D. M. McF 1954-5-28 s.n. Riverside Jct Hwy 395 and Newport Road. Comment
  UCR110922  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR281104  Juncus bufonius Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 28 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR100779A  Juncus bufonius var. congestus Robert Noll 1998-6-17 s.n. Riverside Murrieta area, De Portola Road near Lake Skinner 400 Comment
  RSA708932  Juncus longistylis Scott D. White, Angelia Carey 2004-4-16 10177 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA192265  Juncus macrophyllus E. W. Lathrop 1966-5-11 6283 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. 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
  UC2029975  Juncus mexicanus Scott D. White, Tasha LaDoux 20 Apr 2000 7689 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  RSA553924  Juncus rugulosus R. Montijo 1991-7-10 91 -20 Riverside Santa Rosa Plateau, Avenida Escalera, N of Tenaja Road and ca. 1 mile NE of Squaw Mountain. 610 Comment
  SD121501  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2971 Riverside Moist sand of large wash behind Kenworthy Ranger Station, near Route 74 in Hemet Valley, San Jacinto Mountains, San Bernardino National Forest. 760 Comment
  UC1495750  Juncus tiehmii Barbara Ertter and Jeffrey L. Strachan 1980-5-21 3481 Riverside ca 2 mi s Hwy. 74 (Pines to Palms Hwy.) (Santa Rosa Mtn rd (Forest Rd 7S02)) 1584 Comment
  UCR60608  Juncus xiphioides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3690 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  JOTR32146  Juniperus californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2302 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA736555  Juniperus californica Scott D. White, Angelia Carey 2004-7-2 10578 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR155312  Juniperus californica A. C. Sanders 2005-5-4 29843 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  CAS-BOT-BC234580  Justicia californica J. H. Thomas 1949-2-28 59 Riverside Southern part of Palm Springs Comment
  RSA402303  Justicia californica Gale Sphon 1955-5-15 s.n. Riverside Dead Indian Canyon near Palm Springs. Comment
  UCSB7508  Justicia californica Haller, Norman 1953-5-24 Riverside 3 1/2 miles So. of Palm Springs, Indio Rd. on Hwy. 74, Riverside Co., California 152 Comment
  UCR19246  Kallstroemia californica John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 17 miles west of Blythe 122 Comment
  UCR183016  Keckiella antirrhinoides Mitch Provance 2003-5-5 4428 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  UCSB10530  Keckiella antirrhinoides Wilson, Richard 1958-5-17 Riverside 6 miles SE of Banning; on State Hwy 74 San Jacinto Mtns 762 Comment
  RSA496453  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3067 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  POM10203  Keckiella rothrockii subsp. jacintensis Charlotte M. Wilder s.n. Riverside Dry hills beow Tahquitz. Comment
  UCR168137  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA681038  Kochia scoparia Scott D. White 2003-6-9 8602 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  RSA560845  Koeleria macrantha Steve Boyd, Timothy S. Ross 1992-5-4 7177 -B Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA740082  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside Meadow at Quinn Flat. 1378 Comment
  RSA740950  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-19 12271 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCD86081  Koeleria macrantha H. M. Reed 1932-7-3 7294 Riverside San Jacinto Mts., Camp Emerson. Comment
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May 1 2011
  UCR13704  Krameria erecta N. R. Zabriskie, W. W. Zabriskie 1972-6-9 514 Riverside Santa Rosa Mtns/Colorado Desert, NW of Hwy 74, Deep Canyon drainage. Site 9 1220 Comment
  UCR208908  Krameria grayi P. A. Munz, L. T. Street 1919-5-7 2746 Riverside Sonoran (Colorado) Desert, Palm Springs 183 Comment
  SD136907  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest; 0.5 miles south of Serrano Spring 730 Comment
  UCR50574  Langloisia schottii B. G. Pitzer 1988-3-10 0641 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  RSA0077529  Larrea divaricata G. Wallace 1964-5-23 s.n. Riverside Anza-Borrego Desert. Comment
  JEPS83151  Larrea tridentata R. P. Allen 1935-3-22 188 Riverside Garnet Comment
  RSA188722  Larrea tridentata H. U. Stauffer, Robert F. Thorne 1964-5-5 5923 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  RSA390028  Larrea tridentata Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  RSA760789  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 110 Riverside Coachella Valley Preserve. 4 mi from Ramon Rd on Thousand Palms Canyon Rd. To W of Thousand Palms Canyon Rd. 381 Comment
  SEINET10779066  Larrea tridentata J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12827 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
  UC1324900  Larrea tridentata H. U. Stauffer and R. F. Thorne 1964-5-5 5923 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  UCR90004  Larrea tridentata A. C. Sanders 1992-6-4 12344 Riverside Moreno Valley: March Air Force Base, west of I-215, south of Van Buren Ave., SW corner of Air Force Village West, site of former (WWII) Camp Hahn 488 Comment
  SEINET6894861  Lastarriaea coriacea Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  CAS-BOT-BC338931  Lasthenia californica Carl B. Wolf 1935-4-7 6305 Riverside Gavilan Hills Region. 2 mi. SW. of Perris 426 Comment
  RSA15096  Lasthenia californica Daniel Cleveland 1882-05 s.n. Riverside Temecula. Comment
  POM6190  Lasthenia coronaria H. M. Hall 1903-3-28 s.n. Riverside Vicinity of Riverside. 427 Comment
  UCR109450  Lasthenia coronaria A. C. Sanders 1995-4-13 16510 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  SD148232  Lasthenia glabrata subsp. coulteri A. C. Sanders, Sue Nash, et al. 2002-4-7 24903 Riverside Perris-Aguanga Basin region: San Jacinto Wildlife Area, west side of Davis Road, just north of the old San Jacinto River channel. 434 Comment
  UCSB60197  Lasthenia glabrata subsp. coulteri Bramlet, D. 1992-4-15 Riverside San Jacinto Wildlife Area, approx. 1 km. E of Davis Rd. 436 Comment
  UCR266324  Lasthenia gracilis D. E. Bramlet 1991-4-29 2084 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR91595  Lasthenia gracilis D. L. Banks, Steve Boyd 1995-3-16 87 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of the Dripping Springs Alcove, Arroyo Seco drainage. 555 Comment
  PASA1050  Lathyrus alefeldii Frank W. Peirson 1922-4-28 Riverside Leach canyon, Elsinore Region 548 Comment
  UC1929464  Lathyrus vestitus Scott D. White, Michael Honer 2003-6-3 9471 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA736298  Lathyrus vestitus subsp. alefeldii Scott D. White, Justin M. Wood, Juan Hernandez 2008-3-12 11762 Riverside Site of proposed Liberty Quarry. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line. 335 Comment
  UC917891  Lathyrus vestitus var. alefeldii Frank W. Gould 1944-4-4 2211 Riverside 9 mi se Temecula (on Highway 71) 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
  UC218250  Layia platyglossa P. A. Munz and I. M. Johnston 1922-5-20 5453 Riverside 2 mi below Kenworthy; San Jacinto Mts., Kenworthy 1402 Comment
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Mar 25 2011
  UCR27065  Layia platyglossa T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
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Jan 8 2013
  UC1608010  Leersia oryzoides A. C. Sanders with O. F. Clarke and C. N. P. S. 1991-10-5 11740 Riverside 50-100 m below Lake Evans (between Lake Evans and Santa Ana River Fairmont Park, along Spring Brook); Riverside, Fairmont Park, Spring Brook Comment
  UCR24002  Leersia oryzoides John C. Roos 1965-11-4 s.n. Riverside Riverside, outlet of lake at Fairmont Park 238 Comment
  RSA0089288  Lemna minor David E. Bramlet 2005-7-13 3897 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San jacinto River channel. 433 Comment
  JOTR35937  Lepidium fremontii De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6885 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 883 Comment
  POM265283  Lepidium fremontii I. L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  RSA4955  Lepidium fremontii C. B. Wolf 3043 Riverside Colorado Desert, 3/4 miles W of Utopia on the mecca Blythe raod. 152 Comment
  JOTR36467  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3436 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  CAS-BOT-BC89586  Lepidium lasiocarpum Philip A. Munz 1940-3-23 15687 Riverside Mohave Desert. North part of Pinto Basin, northern Riverside county. 609 Comment
  POM272886  Lepidium lasiocarpum Lyman Benson 1933-3-31 4176 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UC673522  Lepidium lasiocarpum var. lasiocarpum Herbert L. Mason 1928-3-11 4243 Riverside near Indio Comment
  RSA666721  Lepidium strictum A. C. Sanders 2001-3-17 23832 Riverside Upper Santa Ana River Basin: Riverside, Reid park on Orange St. in the northern part of town, E of North Main St., 34 00 35 N, 117 21 12 W 253 Comment
  UCR275952  Lepidium virginicum var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3793 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
  UCR281224  Lepidium virginicum var. pubescens Mitch Provance, Jeremiah George 2017-3-23 317- 58 Riverside Temescal Valley, De Palma Rd., side canyon between Horsethief Canyon and Glen Eden, south of dirt road entrance to revegetation plots 372 Comment
  RSA613648  Lepidium virginicum var. robinsonii D. L. Banks, Victor Steinmann 1997-3-13 1471 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
  UCR98858  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19997 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  CAS-BOT-BC329441  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38331 Riverside Whitewater Wash, 3 mi SE of Palm Springs Station 274 Comment
  RSA770420  Lepidospartum squamatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4879 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR136318  Lepidospartum squamatum Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA0018892  Leptochloa Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6028 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA522109  Leptochloa fusca subsp. uninervia Steve Boyd, Timothy S. Ross 1989-8-28 3802 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UC52849  Leptodactylon pungens H. M. Hall May 17 1901-Jun 1 1901 1895 Riverside Coyote Canyon El Toro Mt. (El Toro Mt.); , Coyote Canyon 1676 Comment
  SBBG35230  Leptosiphon lemmonii T. L. Secrest 1951-5-15 Riverside San Jacinto River bed near Hemet Comment
  RSA574750  Leptosiphon liniflorus Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, southeastern flank of Estelle Mountain. 671 Comment
  SD3882  Leptosiphon liniflorus Florence Youngberg 1933-8-28 Riverside San Jacinto Mountains; Idyllwild Pines. Comment
  SD262349  Leptosiphon parviflorus Mitch Provance, Jeramiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 47 Riverside Temescal Valley: East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard. (Alberhill 7.5'Q) 390 Comment
  UC310390  Lesquerella tenella Edmund C. Jaeger 1926-3-24 Riverside Pinto Valley; eastern Riverside Co. Comment
  RSA482215  Lessingia glandulifera var. glandulifera Richard Noyes 1988-9-10 735 Riverside South ridge of Tahquitz Peak. Along road leading to trailhead. 1982 Comment
  RSA588804  Lessingia glandulifera var. glandulifera D. L. Banks, Steve Boyd 1995-10-17 0757 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
  UC729825  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-8-4 3925 Riverside 1.5 mi from Idyllwild on road to Banning Strawberry Valley; San Jacinto Mts. 1706 Comment
  UCR213683  Lewisia rediviva Justin M. Wood 2009-5-11 691 Riverside San Jacinto Mountains, Garner Valley, Quinn Flat area 1396 Comment
  UC577612  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside near Hemet Reservoir; San Jacinto Quadrangle Comment
  MACF020319  Libocedrus decurrens B. Thomas 1967-12-29 59 - Riverside On Hwy. 74 coming up from Palm Desert. On the roadside, the one obvious specimen 20 feet from the road on the otherside of a barbed wire fence beside a ditch. 1493 Comment
  CAS-BOT-BC451635  Lilaea scilloides Robert F. Thorne; E. Lathrop; P. Munz 1968-5-8 37569 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 670 Comment
  RSA357754  Lilaea scilloides Robert F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR225159  Limosella acaulis Steve Boyd, Gary Wallace 2005-7-30 11647 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  UC23394  Linanthus aureus E. L. Koethen 1897-4-15 13 Riverside Riverside Comment
  UCR225191  Linanthus californicus Steve Boyd, Susan Jett 2008-3-20 11829 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR59750  Linanthus dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  POM364585  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-3-2 1637 Riverside Near Elsinore. Comment
  POM364589  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-7 2039 Riverside S. Hemet. Comment
  JOTR35056  Linanthus jonesii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3508 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA612619  Linanthus lemmonii D. L. Banks, Victor W. Steinmann 1997-3-13 1504 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
  UC880259  Linanthus lemmonii P. A. Munz 1922-4-29 5033 Riverside Temescal Canyon Comment
  UC908796  Linanthus lemmonii Victor Duran 1935-4-17 Riverside Sage Comment
  UCR62097  Linanthus lemmonii G. R. Ballmer 1990-5-6 s.n. Riverside Vicinity of Crown Valley: south of Domenigoni Valley & N (&W) of Rawson Canyon, where a little road goes into hills from Newport Road. 549 Comment
  UCR66492  Linanthus lemmonii P. A. Munz 1922-4-28 5033 Riverside Peninsular Range, Temescal Canyon 366 Comment
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Apr 3 2011
  UC52447  Linanthus parviflorus H. M. Hall Mar 1898 Riverside Temescal Comment
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Nov 26 2011
  RSA740081  Linum lewisii Scott D. White, Justin M. Wood 2008-6-16 12146 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR280818  Lithophragma affine Mitch Provance 2017-5-4 517- 51 Riverside San Jacinto Mountains, Idyllwild, near corner of Canyon Dr. and Marian View Dr. 1585 Comment
  RSA0010983  Lithophragma affine N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  UCR35278  Lithophragma affine subsp. mixtum L. B. Ziegler 1972-4-7 444 Riverside San Jacinto Mtns., canyon on N slope Baldy Mtn. 1646 Comment
  UCR114759  Lithophragma parviflorum Scott D. White, D. E. Bramlet 1999-4-22 7236 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  RSA512130  Lobularia maritima Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  SD122177  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. 305 Comment
  SBBG122764  Loeflingia squarrosa A. Parikh 1990-5-12 168 Riverside Arroyo Seco, S of Dripping Springs Cmpgrd, 1 km S of Hwy 79, 2.8 km E of Woodchuck Rd 494 Comment
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Apr 29 2011
  UCSB28361  Loeseliastrum schottii Dietz, Eileen 1974-3-23 Riverside 3 meters east of 3 Hwy. 111; 300 meters northwest of intersection with Hwy. 74; in Palm Desert 60 Comment
  SD247334  Logfia filaginoides T. B. Salvato, Matt Malle 2014-3-29 8023 A Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (=Sunset Avenue), about 1 mile west of Murrieta Road and 4.3 miles southeast of Canyon Lake. 534 Comment
  UCR22185  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside Redonda Mesa, 14 mi west of Murrieta Comment
  UCR151411  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-3-6 1404 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  RSA525329  Lomatium lucidum Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4460 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  POM96253  Lomatium lucidum E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  UCR265563  Lomatium mohavense Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 4 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UCR101401  Lonicera interrupta A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22215 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UC1929470  Lonicera subspicata Scott D. White, Michael Honer 2003-6-3 9461 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR262252  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 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
  JEPS12865  Lonicera subspicata var. denudata W. L. Jepson May 17 1901-Jun 1 1901 1560 Riverside near Temescal (Waller's Ranch) Comment
  RSA709073  Lotus argophyllus T. B. Salvato, John Green 2004-5-27 632 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCR97462  Lotus argophyllus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19765 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UC15536  Lotus argyraeus H. M. Hall Jun 1901 2140 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  POM12751  Lotus crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley Comment
  RSA180428  Lotus hamatus E. W. Lathrop 1965-5-30 5771 Riverside 6 miles W of Murrieta. Comment
  UCR100025  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 20000 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR215615  Lotus heermannii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 04 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR256089  Lotus nevadensis var. davidsonii G. D. Wallace 2003-7-8 4034 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  UCR35031  Lotus oblongifolius L. B. Ziegler 1972-6-12 476 Riverside San Jacinto Mtns,, Penrod Canyon drainage into upper Hemet (Garner) Valley 1570 Comment
  UCR159142  Lotus procumbens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16218 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR133388  Lotus purshianus Tracy Tennant, T. B. Salvato 1998-6-23 486 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR174084  Lotus purshianus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32546 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCR208343  Lotus purshianus O. F. Clarke 2004-5-9 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, along vernal pool trail 625 Comment
  JOTR31881  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  RSA161288  Lotus rigidus Peter H. Raven 1958-5-5 12887 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  RSA498786  Lotus rigidus F. W. Peirson 1920-2-16 s.n. Riverside Murray Canyon, Palm Springs region. 274 Comment
  RSA90306  Lotus rigidus F. W. Peirson 1919-4-14 712 Riverside Murray Canyon, near Palm Springs. Comment
  CDA27315  Lotus salsuginosus var. brevivexillus T. C. Fuller 1963-4-23 10274 a Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  UC729657  Lotus scoparius var. brevialatus Carl B. Wolf 1932-5-25 Riverside just above Fish Hatchery (n base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  UCR243167  Lotus scoparius var. brevialatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4330 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
  CLARK-A1528-2809  Lotus strigosus John C. Roos 1937-3-24 1339 Riverside Pigeon Pass Comment
  JEPS29296  Lotus strigosus Rimo Bacigalupi, and L. R. Heckard 1962-3-25 8391 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of the Santa Ana Mountains); Santa Ana Mountains 304 Comment
  SEINET7073438  Lotus strigosus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR103169  Lotus strigosus Scott D. White, Julie Greene 1997-3-12 4780 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR177861  Lotus strigosus Marisa Sripracha, K. A. Boyd 2004-3-21 043 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR256766  Lotus strigosus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7882 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
  RSA776380  Lotus strigosus Amber Swanson 2011-4-8 375 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA406376  Lotus tomentellus M. B. Dunkle 1933-3-4 3031 Riverside Painted Canyon. 30 Comment
  RSA517817  Lotus tomentellus Steve Boyd, Orlando Mistretta 1986-3-13 1434 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UCR72384  Lotus tomentellus Theo Glenn 1991-5-8 91- 78 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA406438  Lotus unifoliolatus M. M. Thompson 1947-6-9 c 2067 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CAS-BOT-BC196231  Lupinus albifrons var. eminens R. Hoffmann 1929-9-7 s.n. Riverside Strawberry Valley, San Jacinto Mt. 1645 Comment
  POM349941  Lupinus arizonicus N. R. Zabriskie, Walter M. Zabriskie 1973-3-20 591 Riverside Coyote Canyon, tributary to Deep Canyon, N slope Santa Rosa Mtns. 366 Comment
  POM349942  Lupinus arizonicus J. Jones, Christopher Davidson 1980-4-4 9951 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  RSA86947  Lupinus arizonicus F. W. Peirson 1935-4-17 11472 Riverside 25 miles north of Blythe, eastern Riverside. Comment
  UC865464  Lupinus arizonicus Ira L. Wiggins 1937-3-9 8753 Riverside wash 5 mi w Shaver's Well; w of Shaver's Well Comment
  UCR103664  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2555 Riverside Coachella Valley, alongside Hwy 195 south of Mecca and at the S edge of the Torres Martinez Indian Reservation -30 Comment
  OBI22889  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2 mi W of Corona Comment
  RSA678421  Lupinus bicolor Michael Wall 2003-4-6 261 Riverside San Jacinto Valley, vacant lot off Ramona Expressway at Donna Ave. adjacent to Soboba Health Clinic. Property for sale for Future housing development. 506 Comment
  SD152851  Lupinus bicolor Steve Boyd, Tim Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern Portions of Oak Flats along the Bluewater Trail 730 Comment
  RSA800114  Lupinus concinnus Duncan S. Bell 2013-4-7 4759 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UCR178308  Lupinus concinnus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 928 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR202000  Lupinus concinnus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR33822  Lupinus concinnus Robert McKernan 1980-4-10 s.n. Riverside San Bernardino Mtns., Banning Canyon, 6.2 mi. north of San Gorgonio Road, on the dirt road through the canyon 1372 Comment
  RSA413542  Lupinus densiflorus var. lacteus E. Crow 1929-4-21 8323 Riverside Near Lake Elsinore Comment
  LA205079  Lupinus excubitus Elizabeth McClintock; 1938-5-18 sn Riverside San Jacinto Mountains Comment
  SEINET10484020  Lupinus excubitus subsp. austromontanus Emmel 1974-6-23 EMMEL 507 Riverside Sw end of south ridge, along may valley of sec 19, t5s, r3e. 1756 Comment
  RSA699741  Lupinus excubitus var. austromontanus Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  UCR122519  Lupinus excubitus var. austromontanus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6686 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  RSA413601  Lupinus excubitus var. hallii E. Crow 1929-3-17 205 Riverside Glen Ivy Hot Springs, Santa Ana Mts, Comment
  RSA413602  Lupinus excubitus var. hallii Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Banning Comment
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Oct 23 2011
  UCR117078  Lupinus excubitus var. hallii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23952 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 345 Comment
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Apr 3 2011
  RSA17253  Lupinus formosus Carl B. Wolf 1936-6-17 7961 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  OBI30168  Lupinus hirsutissimus Iversen 1974-4-27 s.n. Riverside El Cariso Crk Comment
  RSA561812  Lupinus hirsutissimus Steve D. Boyd 1992-4-14 6832 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  POM13291  Lupinus hyacinthinus E. C. Jaeger 1921-7-8 1060 Riverside Dark Canyon, San Jacinto Mts 2439 Comment
  UCR137096  Lupinus microcarpus var. densiflorus June Latting 1958-4-13 s.n. Riverside San Gorgonio Pass, White Water 415 Comment
  JOTR34176  Lupinus sparsiflorus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 137 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  UCR41235  Lupinus sparsiflorus N. M. Fellows, A. C. Sanders 1985-4-9 148 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA0074211  Lupinus sparsiflorus Leota Brice 1930-4-13 s.n. Riverside Idylwild. [San Jacinto mountains]. Comment
  RSA775338  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5022 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 732 Comment
  RSA414818  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest, Jack Rempel 1934-4-14 19800 Riverside San Gorgonio Pass. 640 Comment
  RSA670571  Lupinus sparsiflorus subsp. sparsiflorus B. C. Templeton 1930-4-9 1081 Riverside Moreno Grade 610 Comment
  POM2531  Lupinus succulentus C. F. Baker 1904-4-5 4189 Riverside Hemet Comment
  RSA501075  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3193 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 549 Comment
  POM2385  Lupinus truncatus M. French Gilman 1904-1 14 Riverside Banning. Comment
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Mar 13 2011
  RSA614550  Lupinus truncatus A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 19867 Riverside Lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA428584  Lycium brevipes var. brevipes Louis C. Wheeler 1931-11-26 384 Riverside 1/4 mi. SW Salton BM. Sea level. Comment
  RSA0054924  Lycium cooperi W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  CAS-BOT-BC231496  Lycium torreyi Roxana S. Ferris 1918-6-19 1013 Riverside Colorado river bottoms near Blythe Comment
  UC303698  Lycium torreyi Ivan Johnston 1917-4-4 Riverside Palm Canyon Comment
  OBI36168  Lythrum californicum Sears, R. Twitchell 1977-10-12 565 Riverside Corn Springs in the Chuckwalla Mts 512 Comment
  RSA785450  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  RSA356645  Lythrum hyssopifolia Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47309 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR199720  Machaeranthera canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10668 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UC1608211  Madia exigua Steve Boyd and Tim Ross 1992-6-10 7642 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  UC484191  Malacothamnus densiflorus J. T. Howell 1928-7-8 1056 Riverside above Glen Ivy; Santa Ana Mtns 914 Comment
  UCR98702  Malacothamnus densiflorus 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
  RSA561079  Malacothamnus densiflorus var. densiflorus Steve Boyd, Orlando Mistretta 1992-4-22 7006 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CAS-BOT-BC203973  Malacothamnus fasciculatus Lester Rowntree 1937-11-6 s.n. Riverside Pines to Palms Comment
  CSUSB1444  Malacothamnus fasciculatus Randy Salstrom 1966-4-12 s.n. Riverside On slopes of canyon of Box Springs Mountains at east end of Blain Street in Riverside 274 Comment
  SD43520  Malacothamnus fasciculatus Philip A. Munz 1946-10-19 11570 Riverside Chaparral-covered slope of dry disintegrated granite; 3 miles east of Anza. 1219 Comment
  CLARK-A1528-266  Malacothrix californica Charlotte Stocks 1963-6-30 Riverside Anza Comment
  UCR139155  Malacothrix californica S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UCR20727  Malacothrix clevelandii A. C. Sanders 1980-5-14 153 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  CAS-BOT-BC347705  Malacothrix glabrata John Thomas Howell 1928-3-11 3444 Riverside Coachella Valley, Colorado Desert 213 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
  UCR89805  Malacothrix saxatilis Scott D. White 1993-5-27 1418 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  IRVC76  Malosma laurina Polly Brecht 1965-4-24 s.n. Riverside Upper San Juan Creek Camp, Ortega Highway. Santa Ana Mountains Comment
  JEPS66254  Malosma laurina W. L. Jepson 1901-6-1 1579 Riverside Temescal Wash 335 Comment
  RSA92732  Malosma laurina J. C. Roos, Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mountains. 488 Comment
  RSA678946  Malus sylvestris Scott D. White, Michael Honer 2003-6-3 9490 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA0034091  Malva parviflora Duncan S. Bell 2013-1-30 4450 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
  UCR51560  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside [Calimesa area] 6 mi. SE of Redlands 610 Comment
  SD190351  Marah macrocarpa A. C. Sanders 2004-4-20 27525 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line. 640 Comment
  SEINET272334  Marah macrocarpa A. C. Sanders, G Waines; Et Al 1997-3-12 19909 Riverside Lake Skinner Area; upper Rawson Canyon 2.5mi NNE of Skinner Lake 1 mi SW of Crown Valley 595 Comment
  UC403204  Marah macrocarpa H. M. Hall Aug. 1911 Riverside San Jacinto Mt. Comment
  GMDRC9819  Marina parryi J. M. Andre 2017-3-1 38068 Riverside Coxcomb Mountains: north of Hwy 177 at JTNP boundary, 10.1 mi. NE of Desert Center (I-10) 159 Comment
  JOTR28791  Marina parryi La Doux, Tasha 2005-3-30 1060 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR28792  Marina parryi La Doux, Tasha 2005-3-30 1061 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA643196  Marina parryi James C. Dice, K. Nicol 1998-3-24 980324 1 B Riverside 9 miles (14.4km) N of Desert Center, along State Highway 177. 163 Comment
  UC990935  Marina parryi D. F. Howe 1952-4-28 Riverside 4 mi e Desert Center Comment
  UCSB3056  Marina parryi Broder, Richard 1958-03 Riverside 5.8 miles east of Desert center on U.S. 60-70 Comment
  CLARK-A1528-1322  Marrubium vulgare Charles S. Papp 1964-5-3 458 Riverside Riverside Comment
  CAS-BOT-BC71092  Marsilea vestita John Thomas Howell 1930-5-10 4777 Riverside March Field Comment
  RSA753475  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  RSA552749  Meconella denticulata Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  RSA759271  Meconella denticulata Robt. Allen, L Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  CSUSB1090  Medicago polymorpha William R. Bowen 1962-4-20 051 Riverside Canyon Crest on the UCR campus 304 Comment
  RSA593899  Medicago polymorpha Steve D. Boyd, David E. Bramlet 1996-4-19 8608 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
  SD187410  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR37473  Medicago polymorpha Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, section 34, where road crosses stream [SE of Gavilan Springs Ranch] 640 Comment
  CLARK-A1656-840  Medicago sativa Jon Mark Stewart 1983-10-24 83-45 Riverside Palm Desert 60 Comment
  RSA782810  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  UCR140893  Melica frutescens Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  JEPS76204  Melica imperfecta W. L. Jepson 1939-4-17 19129 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  RSA180508  Melica imperfecta E. W. Lathrop 1965-5-9 5722 Riverside 6 miles W of Murrieta Comment
  SBBG122769  Melica imperfecta A. Parikh 1990-5-8 163 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1.4 km E of Old Elsinore Rd 510 Comment
  SEINET7856472  Melica imperfecta M. F. Barrus, M. M. Whetzel 1920-3-16 226 Riverside Riverside, Canyon, W slope of Box Springs Mts. Comment
  CSUSB1117  Melilotus indicus Kheng Try Seng 1966-4-13 660413 7 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  RSA740787  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  POM10382  Mentzelia affinis Charlotte M. Wilder 1906-05 7 Riverside Salt Lake fill [Salt Lake RR Bridge over Santa Ana River, Riverside] Comment
Read comments
Sep 4 2011
  JEPS41174  Mentzelia dispersa Carl V. Meyer June 1927 192 Riverside Slope of ravine below Saunders Meadow. [Idyllwild added in pencil] Comment
  JEPS20770  Mentzelia involucrata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13257 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property.); Little Maria Mts. Comment
  UCR124003  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 2001-4-14 6467 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  CHSC8267  Mentzelia involucrata var. megalantha Edward L. Smith 1957-4-3 235 Riverside Located 1 mi. n hwy. 99 to La Palms, Calif., in a wash. San Bernardino Mts. 91 Comment
  POM302281  Mentzelia involucrata var. megalantha Lyman Benson 1957-4-3 15715 Riverside 1/2 mile above the mouth of Whitewater Canyon. San Bernardino Mountains; Salton Sea Drainage 579 Comment
  SEINET3099877 Image available Mentzelia multiflora G. Rink 2011-3-9 10376 Riverside Palo Verde Solar Site, southwest of Blythe 90 Comment
  UCR112390  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  RSA543933  Microseris douglasii subsp. douglasii Steve Boyd, David E. Bramlet 1991-5-13 6233 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR77595  Microseris douglasii subsp. douglasii Steve Boyd 1991-5-30 6324 Riverside Perris-Aguanga Basin region, Perris Valley, San Jacinto River at crossing of I-215, 2 mi east of Perris Comment
  RSA501079  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3197 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UCR217515  Microseris douglasii subsp. platycarpha Lee A. Ripma 2008-3-21 36 Riverside Perris-Aguanga Basin, Gavilan Hills, East of Hwy 15, about 500m south of Lake Matthews and 400m south of Cajalco Rd 429 Comment
  UCR217519  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-14 09 Riverside Perris-Aguanga Basin, Southeast end of Paloma Valley, 0.8km south of Scott Rd. and 400m east of Briggs Rd 435 Comment
  RSA586495  Microseris heterocarpa D. L. Banks, S. D. Boyd 1995-5-9 0326 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  POM13138  Microseris lindleyi P. A. Munz, I. M. Johnston 1922-5-20 5456 Riverside Pipe Creek, Hemet Valley 1418 Comment
  POM363471  Microseris lindleyi Ora M. Clark 1929-3-2 1597 Riverside Near Alberhill Comment
  RSA528067  Microseris lindleyi Scott D. White 1991-4-10 91 -48 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  UCR180042  Microseris lindleyi Mitch Provance 2005-5-18 9813 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
  UCR213301  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37706 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
  RSA0018764  Mimetanthe pilosa Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38098 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  RSA0018769  Mimetanthe pilosa Philip A. Munz, I. M. Johnston 1924-7-27 8849 Riverside 7 miles SE of Poppet Flat. San Jacinto Mountains. 1524 Comment
  UC943876  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1892 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  UC1929959  Mimulus aurantiacus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  LA209160  Mimulus aurantiacus var. pubescens W. E. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, On Bedford Rd Comment
  RSA442666  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-5-6 1205 Riverside Banning. 701 Comment
  CLARK-A1528-4229  Mimulus bigelovii John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR22483  Mimulus bigelovii var. bigelovii C. S. Jones 1979-3-27 49 Riverside Sonoran (Colorado) Desert, Near unnamed dirt road approximately 5 mi north of I-10 and 4 mi west of Desert Center 412 Comment
  UCR26543  Mimulus brevipes A. C. Sanders, S. Hagopian 1981-5-20 2143 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  SEINET11262501  Mimulus cardinalis Steve Boyd, Tim Ross; Dave Bramlet 1992-9-9 7679 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. Top of Tenaja Falls.; 0 396 Comment
  RSA156031  Mimulus clevelandii Peter H. Raven 1962-5-18 17759 Riverside [Santa Ana Mountains] Main Divide truck trail 2.9 miles south of Santiago Peak. 1235 Comment
  SBBG101686  Mimulus floribundus S. Boyd with T. Ross 1991-6-8 6330 Riverside Pinyon Flat area near Ribbonwood, small hill N of St Hwy 74 Comment
  LA209399  Mimulus guttatus Norman C. Cooper; 1415 Riverside San Jacinto Mountains, above Banning 1219 Comment
  UCR59689  Mimulus guttatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3575 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
  JEPS11354  Mimulus microphyllus W. L. Jepson 1901-5-22 1364 Riverside Palm Canyon, upper part Mt. San Jacinto region 914 Comment
  RSA191414  Mimulus pilosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6614 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR280960  Mimulus pilosus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 07 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  UCR257223  Mimulus primuloides Naomi Fraga, Et al. 2008-8-28 2609 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 Comment
  RSA0120241  Mimulus rubellus Duncan S. Bell 2016-4-14 9276 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCR13751  Mirabilis bigelovii var. retrorsa N. R. Zabriskie, W. W. Zabriskie 1971-2-15 340 Riverside Western Colorado Desert/ San Jacinto Mtns, North Canyon, Andreas Canyon drainage, E slope San Jacinto Mtns. 427 Comment
  RSA784965  Mirabilis laevis var. retrorsa Duncan S. Bell 2012-3-18 3229 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UC851755  Mirabilis laevis var. retrorsa I. W. Clokey, B. C. Templeton 1930-4-9 4676 ` Riverside N of Palm Springs, Colorado desert 170 Comment
  CAS-BOT-BC384085  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles S.E. of Desert Center Comment
  SBBG28427  Mirabilis laevis var. villosa D. Myrick 1964-4-30 832 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 1066 Comment
  JEPS24421  Mohavea confertiflora Peter M. Ray 1949-3-12 1389 Riverside Painted Canyon, Orocopia Mountains, east of Mecca. Comment
  RSA0031616  Mohavea confertiflora Jim Andre 2013-3-27 24812 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  UCR233183A  Mohavea confertiflora Jim Andre, Glenn L. Clifton 2011-2-22 17422 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCSB10569  Mohavea confertiflora Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
Read comments
Nov 23 2014
  UC489171  Monardella australis subsp. australis C. V. Meyer 1928-7-26 548 Riverside San Jacinto Mt. 2895 Comment
  SD229198  Monardella breweri subsp. lanceolata Dick Schwenkmeyer 2012-6-27 746 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UC2035979  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 Riverside Jurupa Hills Comment
  RSA786959  Monardella lanceolata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  SEINET10582421  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 59 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  CHSC67964  Monardella nana subsp. nana Alison Graff 1993-6-24 M- 15 Riverside San Bernardino National Forest, Santa Rosa Mtn. 1.4 mi down Santa Rosa Mtn. Rd. (FS 7S02) from Santa Rosa Camp. Comment
  RSA651653  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of Domengonio Flats. Comment
  RSA83427  Monardella nana subsp. tenuiflora F. W. Peirson 1924-7-27 4990 Riverside San Jacinto Mountains: Dark Canyon. 2226 Comment
  UC1499814  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 117 Riverside a short distance below Keen Camp turn off (on the Idyllwild road); San Jacinto Mts. Comment
  SD132294  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree National Monument. Keys Ranch, Hidden Valley area. 100 meters SW of the National Parks Service trailer Comment
  SEINET3101625 Image available Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert; Joshua Tree National Park, northeast end of Splitrock Picnic Area (Queen Mountain 7.5 Q.) 1327 Comment
  CAS-BOT-BC349786  Monoptilon bellioides N. Aitkenhead 1977-2-2 2126 Riverside ~1 mile from junction of JTM Road & pipeline Comment
  CAS-BOT-BC349795  Monoptilon bellioides J. H. Thomas 1949-2-28 56 Riverside Southern part of Palm Springs Comment
  UCR166530  Monoptilon bellioides Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10880 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA0048607  Monoptilon bellioides Riverside Orocopia Mtns. 472 Comment
  SEINET10800992  Monoptilon bellioides David B. Dunn 1948-3-14 Dunn 3773 Riverside Found in flat open sands near Hidden Springs Ranch 5 miles south of the Indio Hills in the Colorado Desert. Comment
  CAS-BOT-BC444861  Montia fontana Peter H. Raven 1959-5-17 14227 Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA0120240  Muhlenbergia appressa Duncan S. Bell 2016-4-14 9277 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCR225155  Muhlenbergia filiformis Steve Boyd, Gary Wallace 2005-7-30 11655 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  CLARK-A1528-4755  Muhlenbergia microsperma John C. Roos 1937-5-1 1406 Riverside La Sierra Comment
  RSA0123752  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-10 8871 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA522734  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3840 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
  RSA612496  Muhlenbergia microsperma D. L. Banks 1997-2-23 1321 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA660454  Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside North Domenigoni Hills, N side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  UCR145963  Muhlenbergia microsperma June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  POM9221  Muhlenbergia microsperma I. M. Johnston 1920-5-8 2267 Riverside Jurupa Mountains, extreme west end. Comment
  UCR272675  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  UC38274  Muhlenbergia rigens H. M. Hall Jun 1 1901-Jul 1 1901 2427 Riverside Tauquitz Valley San Jacinto Mountains 1889 Comment
  UCR156471  Muhlenbergia rigens T. B. Salvato, A. C. Sanders 2005-5-17 893 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA0021445  Muhlenbergia rigens H. de Forest, Jack Rempel 1934-4-15 s.n. Riverside Jaquitz Canyon floor. 183 Comment
  CAS-BOT-BC515559  Muilla maritima Mitch Provance 2000-4-8 2006 Riverside Jurupa Mountains, south extension of Rattlesnake Mountain, less than 100 meters west of peak 1739 518 Comment
  RSA652083  Muilla maritima Marion P. Harthill 1972-5-6 sn Riverside Rancho. 762 Comment
  SDSU13936  Muilla maritima Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2127 Riverside Santa Margarita Ecological Reserve (SDSU), southeast region, east of El Valle meadow. 671 Comment
  UCR132933  Muilla maritima John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA85153  Myosurus minimus subsp. apus J. C. Roos 1952-4-9 5515 Riverside Edgemont near Box Springs. 488 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
  CHSC692  Nama demissa F. Hughes 1935-4-16 Riverside Colorado Desert Comment
  RSA517829  Nama demissa Steve Boyd, Orlando Mistretta 1986-3-13 1448 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR20772  Nama demissa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1316 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SEINET5520870  Nama hispida H. M. Hall 5886 Riverside Colorado Desert. Chuckawalla Bench. Comment
  UCR279386  Nama hispida var. spathulata A. C. Sanders, Jim Malusa 2017-3-24 42957 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SEINET244667  Nassella cernua A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-22 24985 Riverside The Badlands; upper Laborde Canyon, SW of Beaumount. 671 Comment
  UC188932  Nassella cernua Fred M. Reed 1903-12-13 219 Riverside Bluffs Ranch Riverside; <Bluffs Ranch on Arroyo Tequesquite, terrace at S end> Comment
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Apr 30 2011
  RSA192230  Nassella lepida E. W. Lathrop 1960-4-28 4782 Riverside 14 miles west of Murrieta Comment
  SEINET225791  Nassella pulchra E. W. Lathrop 1959-5-29 4587 Riverside Cleveland National Forest ; 14 miles West of Murrieta Tenaja Canyon. Comment
  UC1531114  Nassella pulchra Kay L. Tomlinson, Deborah L. Kama, and Robert F. Thorne 1985-3-27 890 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  RSA500572  Nasturtium officinale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3563 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SD234485  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley; Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR47631  Navarretia atractyloides S. J. Myers 1987-7-10 s.n. Riverside Aguanga,1 mi north of Hwy 79, at NE corner of jct of Sandstone & Villager Valley Roads 610 Comment
  UCR55267  Navarretia atractyloides Kathy Harper 1988-7-16 s.n. Riverside Peninsular Range, Cleveland National Forest, on Hwy 74 near El Cariso, SE of Hwy Comment
  RSA593895  Navarretia fossalis R. E. Riefner 1995-11-29 94 -396 Riverside E side of Davis Rd. San Jacinto Wildlife Sanctuary, 100' N of Old San Jacinto River. Comment
  RSA760323  Navarretia intertexta R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55217 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA586311  Nemacladus longiflorus var. longiflorus D. L. Banks, S. D. Boyd 1995-5-3 0222 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA525331  Nemacladus ramosissimus Steve Boyd, L. Arnseth, M. Skinner 1990-4-28 4462 -a Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  UCR122527  Nemophila menziesii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6665 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR91858  Nemophila menziesii A. C. Sanders, S. Hawkins 1996-4-24 18073 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  RSA717582  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  JOTR37063  Nicolletia occidentalis La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3549 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  UCR111549  Nicotiana acuminata var. multiflora Mitch Provance 1999-5-4 1703 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA751270  Nicotiana attenuata A. C. Sanders 2008-7-25 35912 Riverside east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UC303680  Nicotiana attenuata S. B. Parish 1900-1 4435 Riverside Strawberry Valley; San Jacinto Mts. Comment
  RSA0054919  Nicotiana attenuata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  UC2015579  Nicotiana clevelandii A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16184 Riverside Coachella Valley: Willow Hole, 4 miles south of Desert Hot Springs. Comment
  RSA772525  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4431 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
  UCR158340  Nicotiana glauca A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30068 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
  HSC21284  Nicotiana obtusifolia L. S. Rose 1967-12-19 67182 Riverside La Quinta 15 Comment
  RSA172322  Nicotiana obtusifolia Robert F. Thorne 1963-3-29 32386 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 13 2011
  SD84925  Nicotiana obtusifolia Walter Zabriskie, Nancy Ryan Zabriskie 1972-3-27 474 Riverside San Jacinto Mountains, North Canyon, Andreas Canyon watershed, east slope 370 Comment
  UCR102704  Nicotiana obtusifolia B. G. Pitzer 1998-1-24 3387 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  SBBG101775  Nicotiana quadrivalvis S. Boyd, T. Ross 1991-6-14 6393 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence w/ Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR4538  Nicotiana quadrivalvis John Dean, M. L. Dean 1965-5-26 s.n. Riverside Peninsular Range, At ranch headquarters on road [R3] half way between Temecula Road [Hwy 79] and Sage 305 Comment
  UCR264957  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  RSA753479  Nolina parryi Scott D. White, Justin M. Wood 2009-5-21 12868 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  SEINET3412079 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  RSA0048402  Nolina parryi subsp. wolfii James R. Shevock 1971-5-8 s.n. Riverside Near Salton View, Joshua Tree National Monument. 1584 Comment
  RSA686401  Notholaena californica W. G. Wright 4764 Riverside Colorado Desert. Comment
  RSA86207  Notholaena californica subsp. leucophylla F. W. Peirson 1921-3-20 1503 Riverside Andreas Canyon, near Palm Springs. 243 Comment
  SD80144  Notholaena californica subsp. leucophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 357 Riverside Andreas Canyon, east slope of San Jacinto Mts, ca. 50 yards downstream from the big pool Comment
  POM12792  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  SEINET7249060  Oenothera deltoides Teresa B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-1 Riverside Comment
  UC1922396  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1428 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  RSA75413  Oenothera deltoides subsp. deltoides F. W. Peirson 1918-03 779 Riverside Irrigated field near Indio. Comment
  UC68573  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5756 Riverside Whitewater Colorado Desert 243 Comment
  HSC86975  Oligomeris linifolia David Charlton 1988-2-18 1179 Riverside S side of Little San Bernardino Mtns., Fargo Canyon Rd. to Cottonwood Wash, S of Joshua Tree National Park, parallel to Hwy. 10, 5 mi. E of the jct. of Dillon Rd. and Fargo Canyon Rd. 762 Comment
  JEPS25889  Oligomeris linifolia W. L. Jepson 1927-4-12 11670 Riverside ne Mecca (Painted Canyon); Colorado Desert, Painted Canyon 76 Comment
  RSA612615  Oligomeris linifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1500 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
  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
  UCSB26259  Olneya tesota Haller, John 1960-4-2 Riverside North side of U.S. Highway 60-70, 3.1 miles east of Desert Center 243 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
  RSA792123  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  UC718132  Opuntia X occidentalis C. B. Wolf and P. C. Everett 1938-9-29 9462 Riverside 9 mi from Temecula (on road to Aguanga); Fork of Temecula Wash 335 Comment
  SD229120  Opuntia basilaris var. basilaris Dick Schwenkmeyer 2013-6-11 923 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  SEINET6044361  Opuntia chlorotica Unknown 1996-7-2 4268 Riverside San Jacinto & Santa Rosa Mnts. Pinyon Flat Area. North of Highway 74 ca 10 road miles east of jct. with Hwy 371. West facing slope. Comment
  SEINET9037780 Image available Opuntia phaeacantha M. A. Baker 2015-1 18401 Riverside San Gorgonio Pass, 32km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4km ENE of Banning, broad wash of sand, silt, rock, and gravel, mostly granitic 638 Comment
  RSA752696  Opuntia prolifera John Green 2006-5-2 s.n. Riverside Unincorporated area along San Diego Aqueduct Corridor, 1 km due W of Skunk Hollow, between Nicholas Rd. and Borel Rd., E of Murrieta Hot Springs. 421 Comment
  RSA594513  Opuntia vaseyi D. L. Banks, Rashmi Pant 1996-5-13 1018 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79,, just S of the Cleveland National Forest Boundary. 396 Comment
  UC218255  Orobanche californica subsp. feudgei Philip A. Munz 1922-6-26 5827 Riverside South slopes Santa Rosa Mountains. Comment
  CAS-BOT-BC502790  Orobanche cooperi Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea Comment
  JEPS126153  Orobanche parishii subsp. parishii Mike Hamilton 2005-12-2 s.n. Riverside San Jacinto Mountains, UC Riverside James Preserve, near weather station Comment
  UCR21126  Orobanche parishii subsp. parishii A. C. Sanders, K. Berg 1979-10-27 946 Riverside San Jacinto Mtns., James Reserve along a trail near the weather station 1646 Comment
  POM256964  Orthocarpus purpurascens var. pallidus W. Pequegnat 1940-4-28 s.n. Riverside Bedford Truck Trail. 366 Comment
  UCR241218  Osmorhiza brachypoda Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 245 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UC303759  Oxalis albicans subsp. californica I. M. Johnston 1918-5-30 1998 Riverside Temescal Canyon 365 Comment
  UCR102754  Oxalis pes-caprae B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3572 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
  CSUSB852  Oxalis rubra William A. Hunt 1972-5-25 720525 1 Riverside City of Riverside; UCR campus, Picnic Hill 365 Comment
  UC849842  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside n side summit of San Jacinto Peak; n side summit of San Jacinto Peak 3276 Comment
  RSA518449  Paeonia californica C. W. Tilforth, D. Tilforth 1977-3-6 1264 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06. Comment
  OBI26120  Palafoxia arida David J. Keil 1976-12-12 11927 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  UCD134902  Palafoxia arida L. S. Rose 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 15 miles north of Indio. 304 Comment
  UCR249510  Palafoxia arida T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7280 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  POM15081  Palafoxia arida var. arida Mary F. Spencer 222 Riverside Mecca, Colorado Desert. -49 Comment
  RSA27576  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside 12 miles east of Indio. Comment
  UC1069987  Palafoxia arida var. arida H. S. Yates 1937-3-23 6433 Riverside Painted Canyon Thermal Quadrangle Comment
  UC566732  Palafoxia arida var. arida H. L. Mason 1928-3-10 4214 Riverside Hidden Springs Canyon Coachella Mts. Comment
  UC665894  Palafoxia arida var. arida Ira L. Wiggins 1941-3-27 9670 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  UCR241512  Palafoxia arida var. arida A. C. Sanders, Ann Howald 2013-2-27 40546 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR279562  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-29 43168 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash just above confluence with Salt Creek 338 Comment
  VVC695  Palafoxia arida var. arida P. J. MacKay, T. Thomas 1997-2-8 100 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  UCR17636  Panicum alatum var. minus Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  UCR251736  Panicum hirticaule Kristin Forgrave, Joshua Paolini 2013-8-7 029 Riverside Colorado (Sonoran) Desert, Ford Dry Lake, just north of I-10 109 Comment
  UC912656  Panicum urvilleanum H. L. Mason 1928-3-10 4197 Riverside Whitewater River Comment
  UCR114755  Parietaria hespera var. californica Scott D. White, D. E. Bramlet 1999-4-22 7232 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  JOTR34331  Parkinsonia florida Andre, Jim 2012-4-11 20837 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  UCSB11822  Parkinsonia florida Creighton, B. 1961-5-7 Riverside 12.6 miles northeast of Pinyon Flat Campground on State Highway 74, and 3.8 miles southwest of Palm Desert and State Highway 111 274 Comment
  UCSB17561  Parkinsonia florida Perkins, Carlin 1963-4-5 Riverside 12.7 mi. south east of Pinyon Flats Campground on California Highway 74 304 Comment
  UCSB17562  Parkinsonia florida Winn, Will 1963-4-8 Riverside 31 mi. E of Desert Center on U.S. Highway 60-70 243 Comment
  RSA0045516  Parosela parryi Mary Edmunds 1932-3-26 s.n. Riverside Oasis. [Most likely the city in Riverside County]. Comment
  RSA356887  Pectis papposa R. F. Thorne 1966-10-15 41795 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA778527  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 628 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  SD129613  Pectis papposa A. C. Sanders 1989-9-19 9507 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabasca Tank, along wash above Tabasca Target(UTM:11S,PH-35E,07N) 680 Comment
  JOTR32613  Pectis papposa var. papposa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2674 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UCR177262  Pectocarya heterocarpa Scott D. White 2003-3-20 8828 Riverside Coachella Valley, Immediately north of the I-10 / Jefferson Avenue fwy interchange 18 Comment
  UCR234813  Pectocarya heterocarpa Jim Andre, Glenn L. Clifton 2011-2-22 17478 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  UCR33810  Pectocarya heterocarpa Sears 1978-3-16 826 Riverside Sonoran (Colorado) Desert, 2.5 mi NW of Midland, in wash area beyond gap between Little Maria and Big Maria Mtns 270 Comment
  RSA689370  Pectocarya linearis Scott D. White 2001-4-19 8373 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  SEINET7073441  Pectocarya linearis A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR107715  Pectocarya linearis A. C. Sanders 1997-3-1 19744 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
  UCR226063  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-4-1 38966 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  RSA0028398  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4978 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA339673  Pectocarya linearis subsp. ferocula R. F. Thorne, C. W. Tilforth 1980-5-28 54220 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  CLARK-A1528-338  Pectocarya penicillata C. M. Flanagan 1973-4-21 OO 302 Riverside Morongo Indian Reservation 914 Comment
  UCR84589  Pectocarya penicillata Scott D. White, S. Ogg 1994-4-21 1971 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CLARK-A1045-119  Pectocarya platycarpa George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA703375  Pectocarya platycarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1437 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCD120139  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  RSA800055  Pectocarya recurvata J. Andre 2012-3-19 21316 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
  UCR41585  Pectocarya recurvata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6122 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JOTR00902  Pectocarya recurvata Sipe, Frank 1958-3-7 248 Riverside Joshua Tree National Park. NORTH OF CHOLLA PATCH Comment
  UC1543027  Pectocarya setosa Donald G. Nelson 1936-5-21 367 Riverside e Lake Hemet (slopes just n of meadow just e of Hurkey Creek Camp, n of Mt. Thomas); San Jacinto Mountains Comment
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Oct 26 2011
  UCR249920  Pectocarya setosa A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36790 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  RSA686749  Pellaea andromedifolia var. andromedifolia Christopher Davidson, B. Gustafson 1977-4-7 5592 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. 610 Comment
  RSA522753  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3860 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
  RSA771794  Pennisetum setaceum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4471 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 W116.64309 487 Comment
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Sep 9 2012
  UCR52467  Pennisetum setaceum D. C. Hawks 1986-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater River Channel, 1 mi. south of Hwy I-10 and 2 mi. west of Indian Ave 259 Comment
  UCR82882  Pennisetum setaceum A. C. Sanders, P. J. MacKay 1994-10-23 15848 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  RSA58861  Penstemon californicus Philip A. Munz, Percy C. Everett 1950-6-23 14912 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  NY583822  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Road, San Jacinto Mountains Comment
  POM11204  Penstemon centranthifolius Philip A. Munz 1922-6-23 5787 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  UCR195114  Penstemon centranthifolius A. C. Sanders, Tim Thomas 2008-8-1 35926 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  POM229030  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-29 15154 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  SD119896  Penstemon heterophyllus var. heterophyllus Louis B. Ziegler 1968-6-3 304 Riverside San Jacinto Mountains - Bautista Canyon, in wash of dry creek 762 Comment
  RSA0021074  Penstemon labrosus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 635 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA402126  Penstemon labrosus H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  SFV20149  Penstemon rostriflorus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .3 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  UC729880  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  POM17872  Penstemon spectabilis Philip A. Munz 1923-6-14 7063 Riverside Glen Ivy Trail to Santiago Peak 1220 Comment
  RSA733710  Penstemon spectabilis R. H. McArthur 1934-5-6 s.n. Riverside East end Ortega Highway. Roadside. Comment
  UCR15978  Penstemon spectabilis K. S. Gill 1965-3-21 49 Riverside Santa Ana Mtns, Tin Mine Canyon at the foot of Skyline Drive, south of Corona 610 Comment
  UCR37460  Penstemon spectabilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  UCR93812  Penstemon spectabilis P. J. MacKay 1996-6-15 008 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  UCSB12642  Penstemon spectabilis Creighton, B. 1961-5-6 Riverside 7.8 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  UC668411  Pentagramma triangularis subsp. triangularis Annie M. Alexander and Louise Kellogg 1941-4-24 2084 Riverside Morongo Valley Gorge of Dry Morongo Creek; Morongo Valley Gorge 640 Comment
  UCR114823  Pentagramma triangularis subsp. triangularis Mitch Provance, Seychelle Provance 1998-2-17 88 A Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  JOTR34329  Perityle emoryi Andre, Jim 2012-4-11 20833 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA0118004  Perityle emoryi Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7624 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA471850  Perityle emoryi N. C. Cooper 1949-4-8 3288 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA480103  Perityle emoryi Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2192 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA656536  Perityle emoryi A. C. Sanders 2000-4-25 23357 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  RSA735242  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11214 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
  SBBG25004  Perityle emoryi D. Myrick 1966-4-5 1383 Riverside near S entrance of Joshua Tree Nat Monument Comment
  UCSB22910  Perityle emoryi Day, Fran 1964-3-23 Riverside 3 miles east of U.S. 99 on Ramon Road 91 Comment
  SEINET10800179  Perityle emoryi David B. Dunn 1946-3-15 Dunn 2054 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SD87688  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep CaA'on east of Palm Springs. 334 Comment
  SEINET11978708  Petalonyx thurberi Unknown 1936-1 12554 Riverside Colorado Desert N of Palm Springs Comment
  POM13423  Petunia parviflora Philip A. Munz, I. M. Johnston 1922-5-5 5156 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  RSA544292  Petunia parviflora Steve D. Boyd, Tim S. Ross 1991-6-14 6355 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA737122  Petunia parviflora Justin M. Wood 2008-10-15 188 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR14316  Petunia parviflora A. C. Sanders 1974-3-24 621 Riverside Santa Ana River Valley, Santa Ana Riverbottom near city dump, Riverside; at mouth of Arroyo Tequesquite 244 Comment
  SD258888  Peucephyllum schottii Sarah J. De Groot, Thomas Stoughton 2016-2-18 7627 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon. 181 Comment
  UC1523403  Peucephyllum schottii Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54079 Riverside 3.2 mi n Hwy. 10 and Whitewater P.O. (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts. 609 Comment
  POM3797  Phacelia ambigua Louis Greata 1905-04 s.n. Riverside Coachella Colorado Desert. Comment
  RSA427704B  Phacelia ambigua Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA757454  Phacelia brachyloba Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55187 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  POM263071  Phacelia campanularia J. C. Roos 1937-4-18 678 Riverside Whitewater, Colorado Desert. Comment
  UC284681  Phacelia cicutaria var. hispida Miss Johnston Mar 1917 Riverside Palm Springs Colorado Desert Comment
  UCR135854  Phacelia cicutaria var. hispida A. C. Sanders 2004-4-20 27575 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
  UCR225710  Phacelia cicutaria var. hispida A. C. Sanders 2011-3-30 38917 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR241935  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-3-28 40696 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UCR6374  Phacelia ciliata Leland E. Francois 1966-3-6 s.n. Riverside Perris-Aguanga Basin, Lakeview, north of public dump Comment
  CAS-BOT-BC133964  Phacelia crenulata Mrs. Jos. Clement 1922-4-10 s.n. Riverside Mecca Comment
  UCR148050  Phacelia crenulata Steve Boyd, Et al. 2004-5-14 11248 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
  UCR50883  Phacelia crenulata A. C. Sanders 1988-5-11 7804 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA0043222  Phacelia crenulata var. ambigua J. Mark Porter, Orlando Mistretta 2003-6-5 13606 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA182345  Phacelia distans J. D. Olmsted 1962-5-2 3440 Riverside Flat by saddle just N of highest part of Box Spring Mountains 762 Comment
  RSA27410  Phacelia distans C. L. Hitchcock 1940-3-29 5858 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  SBBG119453  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  SD38329  Phacelia distans Jack Rempel 1931-4-11 1976 Riverside Colorado Desert [SD 39386, collected on the same date, says Colorado Desert near Palm Springs Railroad Station] Comment
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Jul 11 2010
  UC520296  Phacelia distans Joseph Andorfer Ewan and Carl Epling 1933-5-12 7616 Riverside 4 mi nw Glen Ivy Hot Springs; Temescal Canyon Comment
  UCD120428  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR194823  Phacelia distans Scott D. White 2006-4-27 11298 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  UCR20787  Phacelia distans A. C. Sanders, Steve Boyd 1980-5-2 1419 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JOTR01172  Phacelia fremontii Cole, James E. 1941-5-2 673 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  RSA0106452  Phacelia minor Daphne K. Christopher, Hannah Stevens 2003-4-4 87 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCD120566  Phacelia minor Robert C. Bechtel 1952-3-28 24 Riverside Perris. 443 Comment
  RSA645620  Phacelia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12149 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA428114  Phacelia mutabilis Anstruther Davidson 1896-7-7 1921 Riverside Mt. San Jacinto. 2744 Comment
  UC1228370  Phacelia mutabilis L. R. Heckard 1956-6-28 769 Riverside between Tahquitz Valley and Little Tahquitz Valley; San Jacinto Mountains 2316 Comment
  CLARK-A1528-5060  Phacelia vallis-mortae John C. Roos 1937-4-18 679 Riverside Mount San Jacinto 487 Comment
  UCR96878  Phalaris lemmonii Scott D. White 1993-4-30 1314 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA736307  Phalaris paradoxa Scott D. White, Justin M. Wood 2008-5-13 11954 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  JEPS69926  Phlox austromontana W. L. Jepson 1907-5-25 1439 Riverside near Santa Rosa Peak (sw side in upper Coyote Canyon); Coyote Canyon 762 Comment
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Dec 12 2011
  SD144147  Phoenix dactylifera A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart & C. L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. 29 Comment
  UCR214580  Pholistoma auritum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37847 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UC1490303  Pholistoma membranaceum Rolf Y. Berg 1980-2-4 Riverside ca. 2.5 mmi. from mouth Whitewater Canyon Comment
  UCD105052  Phoradendron bolleanum T. Scott; A. Townesmith, K. M. Meyer 2007-3-18 136 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  OBI12435  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  UCSB1314  Phoradendron californicum Graney, Don 1953-3-22 Riverside Morango Canyon, Colorado Desert Comment
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May 15 2016
  SEINET10689600  Phoradendron libocedri Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 17 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  JOTR31882  Physalis crassifolia La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2134 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  POM126318  Physalis crassifolia Martha Hilend 1927-4-2 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  RSA457796  Physalis crassifolia Steve D. Boyd 1988-3-10 2202 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA791479  Physalis crassifolia Jim Andre 2012-4-16 20919 Riverside Joshua Tree National Park;; along Cottonwood Spr. Rd, 3.1 mi. north of South Entrance, 4.1 mi. north of I-10. Along Cottonwood Spr. Rd , in large rocky canyon to east. 788 Comment
  UCSB6879  Physalis crassifolia Graney, Don 1953-3-21 Riverside 11 miles east of Indio; Colorado Desert Comment
  CLARK-A1528-2029  Picris echioides John C. Roos 1937-5-23 2060 Riverside La Sierra Comment
  SEINET2149953  Pinus californiarum S. Langer 1999-1 s.n. Riverside from edge of dirt road off Highway 371, Santa Rosa Mountains. Comment
  UC64554  Pinus flexilis H. M. Hall 1902-4-16 2886 Riverside Tahquitz Peak San Jacinto Mountains Comment
  CAS-BOT-BC478190  Pinus halepensis A. C. Sanders; Jeff Crain; Nina Kidd 2015-5-20 41732 Riverside Temesal Canyon, open area on south side if I-15, between Horse Thief Canyon Road and Hostettler Road 395 Comment
  UCR19619  Pinus lambertiana B. Freeman 1969-3-23 690323- 2 Riverside San Jacinto Mtns., James Reserve. north of Indian Creek, 20-30 m from bridge. 1646 Comment
  UCSB11940  Pinus lambertiana Creighton, B. 1961-5-6 Riverside San Jacinto Mountains, 18.8 miles south of Banning-Idyllwild road; in the San Bernardino National Forest 1584 Comment
  LA206305  Pinus quadrifolia A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, 15 mi S of Hurky Comment
  SBBG113408  Pinus quadrifolia D. Wilken with E. Painter 2000-11-4 15866 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  SBBG56372  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside near Santa Rosa 1676 Comment
  UC665711  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa; Santa Rosa Mountains 1676 Comment
  RSA0020323  Pinus quadrifolia D. W. Stevens 1966-5-7 1108 Riverside Thomas Mt. 1829 Comment
  UCSB38388  Pinus torreyana Austin, Stan 1969-10-10 Riverside University of California at Riverside landscaping Comment
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May 2 2007
  UCR241921  Pistacia atlantica A. C. Sanders, Timothy W. Chumley 2013-3-28 40701 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  UCR219072  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert, Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. -35 Comment
  UCR126326  Pityrogramma triangularis Mitch Provance 1998-4-5 395 Riverside Reche Canyon, Reche Canyon Road, near intersection with Keissel Rd., c. 1 mile south of S.B.C./R.C. Line. 549 Comment
  UCR275951  Pityrogramma triangularis T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3782 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
  UCR102733  Pityrogramma triangularis var. maxonii B. G. Pitzer 1998-1-25 3425 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  SEINET7063135  Plagiobothrys canescens A. G. Vestal 1963-3-26 s.n. Riverside Near Wood Canyon ?, Banning. UTM Zone 11, 511375mE, 3751508mN. (WGS84/NAD83). 701 Comment
  UCR127554  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2003-5-21 26798 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR172201  Plagiobothrys canescens John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  SD233781  Plagiobothrys collinus John F. Green. 2006-5-10 Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks, N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W (Murrieta 7.5' Q) 366 Comment
  UCR70811  Plagiobothrys collinus P. A. Munz, R. D. Harwood 1920-2-28 3234 Riverside Santa Ana Mtns. region, 2 miles SE of Corona 305 Comment
  RSA716876  Plagiobothrys collinus var. californicus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25847 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  POM158442  Plagiobothrys collinus var. fulvescens P. A. Munz 1927-5-21 10856 Riverside San Carlos Pass, Ansa. 1372 Comment
  RSA80199  Plagiobothrys collinus var. ursinus F. W. Peirson 1922-5-19 3041 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  UCR214294  Plagiobothrys jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37475 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
  POM146287  Plagiobothrys leptocladus J. B. Feudge 1927-5-19 1751 Riverside Perris 396 Comment
  POM3872  Plagiobothrys leptocladus P. A. Munz, I. M. Johnston 1918-4-27 2123 Riverside Elsinore Lake 366 Comment
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Nov 20 2011
  UCR111996  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2000-5-25 23421 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
  SD224887  Plagiobothrys nothofulvus A. C. Sanders, S. Hawkins 1996-4-24 18077 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1096 Comment
  RSA525332  Plagiobothrys tenellus Steve Boyd, A. Sanders, Mark Skinner 1990-4-28 4462 b Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  UCR59764  Plagiobothrys tenellus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3075 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  UCR211722  Plantago coronopus Fred M. Roberts 2005-5-26 6211 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, between the Ramona Expressway and Ramona Blvd, 0.2 km north of the latter, 1.9 km southwest of Gilman Hot Springs 442 Comment
  UC2029934  Plantago erecta Steve Boyd 2001-4-12 10413 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR174357  Plantago erecta A. C. Sanders 2006-5-19 32381 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
  OBI37478  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside Along rd edge, 5 mi W of Rancho Calif at jctn of Rancho California Rd and De Luz Rd 427 Comment
  POM283953  Plantago ovata var. fastigiata Lyman Benson 1933-3-31 4180 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA741589  Plantago patagonica Scott D. White, Justin M. Wood 2008-6-17 12193 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA771667  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4902 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
  RSA722418  Platanthera sparsiflora J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 2744 Comment
  UCR16435  Platystemon californicus Joe Buriel 1966-3-26 s.n. Riverside Peninsular Range, Robb Road [=Lake St.], 1 mi south of Temescal Canyon Road, 2 mi northwest of Lake Elsinore, near RR tracks 427 Comment
  UCR49228  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR102852  Plectritis ciliosa subsp. insignis A. C. Sanders 1997-4-3 20153 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  RSA91979  Pleuraphis rigida F. W. Peirson 1921-3-22 2369 Riverside Murray Canyon, near Palm Springs 396 Comment
  RSA152502  Pleurocoronis pluriseta R. C. Bacigalupi 1953-4-20 4044 Riverside Close to head of Lost Palms Canyon, 3 miles N of Shavers Summit, Joshua Tree National Monument. 762 Comment
  SD40731  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon 760 Comment
  POM158179  Pluchea odorata P. A. Munz, I. M. Johnston 1928-9-6 11265 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA0123109  Pluchea sericea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9016 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 653 Comment
  UCR194223  Pluchea sericea Scott D. White, Angelia Carey 2004-6-4 10482 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  POM14436  Poa fendleriana P. A. Munz, I. M. Johnston 1922-5-21 5505 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  POM249988  Poa fendleriana E. C. Jaeger 1939-5-28 s.n. Riverside Pinon Alta Flats. 1828 Comment
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Aug 30 2011
  RSA560365  Poa infirma Steve Boyd 1992-4-14 6816 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
  RSA403529  Poa secunda Ora M. Clark 1929-3-16 1713 Riverside N. Whitewater. Comment
  UCD90300  Poa secunda A. A. Beetle 1944-4-27 3006 Riverside West of Murietta. Comment
  UCR164573  Poa secunda S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  RSA772838  Poa secunda subsp. secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4726 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 W116.65120 604 Comment
  UC1132782  Poa secunda subsp. secunda A. Lewis Mar 1934 322 Riverside Bedford Motorway Bedford Canyon; Cleveland Nat'l Forest, Corona Quadrangle Comment
  CAS-BOT-BC167821  Polygala cornuta var. fishiae H. Baer 1923-6-1 s.n. Riverside Temecula [Canon] Canyon Comment
  JEPS50569  Polygonum argyrocoleon W. L. Jepson 1927-4-14 11711 Riverside Oasis station Santa Rosa Mts. Comment
  RSA658974  Polygonum aviculare subsp. aviculare Margaret Murphy 1983-5-21 30 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  POM19663  Polygonum bistortoides Mary F. Spencer 1923-8-18 2283 Riverside Round Valley. 2744 Comment
  RSA630328  Polygonum lapathifolium Scott D. White 1996-9-22 4539 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  UCR119815  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23095 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA0125373  Polypogon interruptus Duncan S. Bell 2016-10-27 10207 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCR202603  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR241922  Populus fremontii A. C. Sanders, Timothy W. Chumley 2013-3-28 40702 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west of Lake St. 378 Comment
  RSA336203  Potamogeton pusillus Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51988 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCSC000938  Potentilla glandulosa Peter Kamb 1947-5-17 522 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA0013888  Proboscidea althaeifolia Jim Andre, Tasha La Doux 2008-9-13 10267 Riverside Chuckwalla Valley: along dirt road approximately 2 mi. N of Desert Center, 0.5 miles W of Tamarisk Golf Course (at Kaiser Rd. Jct.) 234 Comment
  RSA0013897  Proboscidea althaeifolia Scott D. White, Justin M. Wood 2005-10-4 11235 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCR101521  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside Colorado/Mojave Desert, Little Maria Mountains, bajada at SW end of Rice Valley along Midland Road, just north of pass between Little and Big Maria Mountains. 274 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
  OBI40586  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Mead Valley, 4.5 mi NW of Perris, along Cajalco rd, 0.2 mi E of its intersection with Clark St (Old Elsinore Rd) Comment
  CAS-BOT-BC216517  Prosopis pubescens S. B. Parish 1916-5-12 10866 Riverside Mecca 60 Comment
  SDSU9174  Prunus ilicifolia subsp. ilicifolia W. T. Williams 1962-5-12 Riverside San Jacinto Mts. Highway between Hemet and Idyllwild. 3000 ft. marker East side of roadside 10 ft. 914 Comment
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Nov 10 2008
  UC489040  Prunus virginiana var. demissa C. V. Meyer 1927-6-1 180 Riverside Dark Canyon, San Jacinto Mountains Dark Canyon; San Jacinto Mountains, Dark Canyon 1828 Comment
  UCR140659  Prunus virginiana var. demissa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 88 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  CAS-BOT-BC356333  Psathyrotes ramosissima S. B. Parish 1912-6-28 8115 Riverside Mecca 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
  SEINET2054371 Image available Psathyrotes ramosissima Joe Barrington 1968-5-11 68051114 Riverside Outside Palm Desert on Hway 74 at the edge of the valley floor, entering the mts. to Santa Rosa Mt., 100 yards from road. 609 Comment
  RSA559456  Pseudognaphalium biolettii Steve Boyd 1992-5-4 7211 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SDSU21798  Psilocarphus brevissimus var. brevissimus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3981 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA772529  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4430 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
  JEPS41679  Psorothamnus schottii W. L. Jepson 1914-5-22 6040 Riverside near Indio (Thousand Palms Canyon, Colorado Desert); Colorado Desert, Thousand Palms Canyon, nr Indio Comment
  RSA788556  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 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
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  JEPS41653  Psorothamnus spinosus Marjorie Clary Oct. 1930 Riverside Coral Reef Ranch , Coral Reef Ranch (Coachella) Comment
  POM318854  Pterospora andromedea Patricia Wilder 1968-7-5 4325 Riverside Dogwood St. near Rimrock Dr., Idyllwild. San Jacinto Mt. Range, Strawberry-Little Tahquitz Creek Drainage. 1829 Comment
  CAS-BOT-BC421258  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37735 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  JOTR31902  Pterostegia drymarioides La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2150 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  POM10468  Pterostegia drymarioides Charlotte M. Wilder 1904-4-18 204 Riverside Wilder's Canyon. Comment
  UC466078  Pterostegia drymarioides Fred M. Reed 1908-3-15 2273 Riverside Box Spring Mts., Pigeon Pass Comment
  POM306721  Purshia tridentata var. glandulosa Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1661 Riverside Santa Rosa Mountains. 1220 Comment
  UCR100029  Quercus agrifolia A. C. Sanders, G. Helmkamp 1997-3-15 19979 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  SEINET10622083  Quercus agrifolia var. agrifolia Greg Gust, Leith Nye 2005-3-11 Gust 540 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1 mile W of Lake Elsinore on hill slope pullout river basin. 481 Comment
  SD254631  Quercus berberidifolia Mitch Provance 2012-1-25 17375 Riverside San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and Hgighway 60. 654 Comment
  UCD73488  Quercus berberidifolia A. C. Sanders; T. Tennant 1997-11-14 21602 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
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Aug 12 2015
  UCR141960  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR241939  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range, Temescal Canyon, east of Glen Ivy near where Temescal Canyon Rd. passes under I-15 318 Comment
  UCR273005  Quercus berberidifolia Mitch Provance 2012-8-30 17431 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  POM296380  Quercus cornelius-mulleri Lyman Benson 1946-4-15 12042 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA0123104  Quercus cornelius-mulleri Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9011 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
  UCR54431  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8719 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  UCR66549  Quercus engelmannii P. A. Munz 1946-10-18 11559 Riverside 0.5 mi. south of Sage 716 Comment
  SD229180  Quercus palmeri Dick Schwenkmeyer 2012-3-26 671 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA477128  Quercus turbinella Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1250 Comment
  UCR51925  Quercus wislizeni Steve Boyd 1987-11-23 2096 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  RSA660567  Rafinesquia californica Bruce Albert 1982-4-17 33 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  SDSU18653  Rafinesquia californica C. Matt Guilliams, Jeannine Ross 2008-3-12 525 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  RSA726571  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1409 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA779584  Rafinesquia neomexicana Duncan S. Bell 2009-3-7 16 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
  POM11506  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  CAS-BOT-BC378983  Ranunculus aquatilis var. diffusus Robert F. Thorne; C. W. Tilforth; J. P. Simon 1969-6-24 38143 Riverside San Bernardino National Forest, San Jacinto Mts., Lake Fulmor 1676 Comment
  UC219255  Ranunculus californicus P. A. Munz and I. M. Johnston 1922-5-20 5462 Riverside 1 1/2 mi below Kenworthy; San Jacinto Mts. 1417 Comment
  UCR18915  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 610 Comment
  RSA715303  Ranunculus muricatus Jennifer Jones 2006-5-1 s.n. Riverside Foot of Box Springs Mtns. E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  UCR199761  Ranunculus sceleratus Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10691 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA33888  Raphanus sativus N. C. Cooper 1944-4-22 1151 Riverside Banning. 762 Comment
  JEPS42006  Rhamnus crocea W. L. Jepson 1901-5-27 1481 Riverside between Cahuilla Valley and Aguanga Comment
  RSA714433  Rhamnus crocea A. C. Sanders 2004-5-12 27870 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR100031  Rhamnus crocea A. C. Sanders, G. Helmkamp 1997-3-15 19976 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  RSA3124  Rhamnus crocea Carl B. Wolf 1932-2-11 2653 Riverside Coldwater Creek, Glen Ivy Hot Springs base of Santa Ana Mts. 335 Comment
  JOTR16836  Rhamnus ilicifolia Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  RSA175260  Rhamnus ilicifolia Robert F. Thorne 1963-7-26 32819 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  RSA391105  Rhamnus ilicifolia Gale Sphon 1955-5-7 s.n. Riverside Elsinore Mnt. , Horsethief Canyon, Santa Ana Mtns. Comment
  SBBG27372  Rhamnus ilicifolia P. C. Everett 1935-6-18 Riverside Coldwater Cyn Trail ca. 1.5 mi below (N) main divide motorway 1280 Comment
  UC218097  Rhododendron occidentale P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains, North Fork Tahquitz Creek North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2225 Comment
  UCSB4805  Rhododendron occidentale Kamb, Peter 1946-5-24 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  HSC101784  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13191 Riverside Along State Route 74 1227 Comment
  RSA592670  Rhus ovata Scott D. White, Duayne Haselfeld 1996-7-2 4262 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
  SD122182  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aquaduct crossing. 259 Comment
  UCR87634  Rhus ovata A. C. Sanders 1994-5-29 14549 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  CLARK-A1528-2406  Rhus trilobata John C. Roos 1948-5-15 3831 Riverside Eagle Mountains Comment
  RSA476255  Ribes californicum var. hesperium E. Crow 1929-3-17 212 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CAS-BOT-BC108721  Ribes cereum F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley. 2438 Comment
  UC455598  Ribes cereum I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 3200 Comment
  SEINET3095399 Image available Ribes indecorum Wayne Miller 1972-4-14 720414 -2 Riverside Reche Canyon, 5 mi. from Barton Rd. turnoff on Reche Canyon Rd, by natural spring. Comment
  UCR104591  Ribes indecorum G. F. Pratt 1998-1-7 s.n. Riverside Jurupa Mtns., Jurupa Mt., on San Bernardino/Riverside county line, ENE of N terminus of Pyrite Rd, north of community of Sunnyslope 662 Comment
  SEINET13942609 Image available Ribes malvaceum Carl B. Wolf 1932-1 2651 Riverside Santa Ana mountains, Hidden Canyon, 5 mi W of Corona, base of Skyline Drive. Alt 1330 ft. Upper Sonoran: -Chaparral 405 Comment
  UCR137047  Ribes quercetorum A. C. Sanders 2004-5-5 27766 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCSB7023  Ribes speciosum Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon; Santa Ana Mt. Range 365 Comment
  UCR251302  Ricinus communis T. B. Salvato, Matthew Malle 2014-4-8 7827 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  SD239844  Romneya coulteri A. C. Sanders, John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: hills between I-15 and Temescal Canyon Rd., 0.22 km south (178a^z) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake. 324 Comment
  UCR136195  Romneya coulteri A. C. Sanders 2004-6-20 28226 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  CLARK-A1528-364  Rorippa nasturtium-aquaticum Stephen J. Southwell 1971-5-25 Riverside West Riverside 304 Comment
  CSUSB1438  Rorippa nasturtium-aquaticum Tom Luedtke 1970-5-2 7 Riverside Riverside; off Big springs road; 100 yards past railroad tracks; in water 365 Comment
  UCR240272  Rorippa nasturtium-aquaticum Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 336 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR38761  Rorippa palustris subsp. occidentalis G. Sampson 1985-6-10 85 461 Riverside Santa Ana River, Chino Hills State Park. Comment
  UCR46719  Rosa californica B. G. Pitzer, D. C. Hawks 1986-12-2 360 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA160533  Rubus parviflorus John Olmsted 1958-6-15 168 Riverside Dark Canyon at intersection of N Fork San Jacinto R with Idyllwild Banning Road, San Jacinto Mtns. 1509 Comment
  UC219558  Rubus parviflorus P. A. Munz 1922-7-6 6028 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2225 Comment
  UCR25143  Rumex conglomeratus O. F. Clarke 1972-5-28 s.n. Riverside Residence of O.F. Clarke, 1012 Spruce St., Riverside 305 Comment
  JOTR29521  Rumex crispus La Doux, Tasha, Mike Bell 2006-9-6 1579 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1301 Comment
  POM153389  Rumex maritimus P. A. Munz, I. M. Johnston 1928-9-12 11259 Riverside Temescal Canyon, Lee's Lake. Comment
  RSA799080  Salix exigua Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6877 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 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
  UCR155083  Salix exigua A. C. Sanders, Kelly Volansky 2005-3-17 29240 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA0010966  Salix exigua var. exigua Mary F. Spencer 1918-4-7 812 Riverside Palm Springs. 168 Comment
  POM319096  Salix gooddingii Patricia Wilder 1971-11-11 5295 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  SD1047  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  UCR113546  Salix gooddingii Mitch Provance 1998-6-6 685 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA0036078  Salix gooddingii Marcus E. Jones 1930-4-2 26030 Riverside Blythe Comment
  RSA233003  Salix laevigata D. A. Young 1969-3-21 P 417 Riverside 3 miles west of Elsinore, California on a dirt road north of Highway 71, 500 yards off the road. 244 Comment
  UCR139633  Salix lasiolepis A. C. Sanders 2004-6-30 28402 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  CAS-BOT-BC128449  Salix lasiolepis var. lasiolepis W. H. Brewer 1861-1-1 154 Riverside In canyon near hannigan's Temiscal Range Comment
  SD175812  Salsola australis D. G. Kelch 2006-12-8 06 524 Riverside Santa Rosa Plateau, roadside. Comment
  UCR108863  Saltugilia australis Heidi A. Haid 1969-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR165399  Saltugilia australis A. C. Sanders, D. Malueg 2003-5-8 26573 Riverside Perris-Aguanga Basin region, 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 396 Comment
  UCR262251  Saltugilia latimeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3746 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA469679  Saltugilia splendens N. C. Cooper 1944-6-17 1385 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA717677  Salvia A. C. Sanders, B. Pitzer 1992-11 13125 -J Riverside Riverside, UCR Botanical Garden. 1100 Comment
  UCR12138  Salvia X bernardina O. F. Clarke 1972-3-13 s.n. Riverside University of California, Riverside. Botanic Garden 412 Comment
  RSA772409  Salvia apiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4856 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
  UCR133363  Salvia apiana Tracy Tennant, J. S. Ross 1998-4-30 MOR- 75 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR140739  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  UCR18808  Salvia apiana John C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mtns., Dos Palmas Spring Comment
  RSA761129  Salvia carduacea Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-31 115 Riverside PCT Trail. W of Whitewater. 869 Comment
  UC1537559  Salvia carduacea Gordon H. True Jr. 1935-3-1 63 Riverside Mockingbird Canyon 457 Comment
  UCR35342  Salvia carduacea L. B. Ziegler 1967-2-20 111 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  CLARK-A1528-584  Salvia columbariae C. M. Flanagan 1973-5-20 OO 526 Riverside Morongo Indian Reservation 1158 Comment
  RSA33558  Salvia columbariae N. C. Cooper 1944-3-25 1006 Riverside Cabazon. 457 Comment
  RSA401483  Salvia columbariae M. B. Dunkle 1932-3-25 2890 Riverside Cabazon, Colorado Desert. 457 Comment
  RSA522748  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3856 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
  RSA651679  Salvia columbariae J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  RSA703400  Salvia columbariae LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1452 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA74548  Salvia columbariae L. S. Rose 1949-4-24 49104 Riverside Aguanga. 591 Comment
  SD10679  Salvia columbariae Mrs. D. R. Wolf 1932-3-20 28 Riverside 2.5 Mi N of De Luz, Redman Ranch 1500 Comment
  UCR165412  Salvia columbariae A. C. Sanders 2005-4-21 29563 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR214705  Salvia columbariae A. C. Sanders 2010-3-23 37540 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CAS-BOT-BC221083  Salvia eremostachya Lester Rowntree 1937-5-28 s.n. Riverside Pines to Palms [Palms to Pines] Highway, San Jacinto Mts. Comment
  HSC14360  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi. W of Aguanga Comment
  RSA182349  Salvia mellifera J. Olmstead 1962-5-2 3447 Riverside Sandy flat by saddle just N of highest part of Box Springs Mountains, by road from Pigeon Pass. 777 Comment
  UCLA69850  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mts. Comment
  CLARK-A1703-1244  Sambucus caerulea Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  RSA132549  Sambucus mexicana Donald A. Johansen 1933-7-14 714 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  RSA596535  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 549 Comment
  UCR97681  Sanicula arguta A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19912 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  POM13832  Sanicula tuberosa P. A. Munz 1922-4-28 5038 Riverside Leach Canyon, Santa Ana Mountains 701 Comment
  UCR34989  Sanicula tuberosa L. B. Ziegler 1970-5-14 403 Riverside San Jacinto Mtns, above Hemet Valley on flat top of Pleistocene alluvium 1585 Comment
  JEPS27436  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1901-5-22 1393 a Riverside Palm Canyon of Mt. San Jacinto; , Palm Canyon Comment
  UCR59925  Satureja chandleri Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, SW of town of Murrieta: Miller Canyon 457 Comment
  UCR59959.2  Saxifraga californica Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, SW of town of Murrieta: Miller Canyon 457 Comment
  SEINET3080653 Image available Schinus molle Unknown 1965-2-28 Riverside Riverside 5226 Olivewood Drive 274 Comment
  UCR214894  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37519 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  RSA483279  Schismus arabicus Robert Gustafson 1980-4-3 1519 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  RSA386262  Schismus barbatus Christopher Davidson 1973-4-1 1806 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SDSU12246  Schismus barbatus Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 5 Riverside Comment
  UCR174144  Schismus barbatus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32516 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  CAS-BOT-BC111575  Schoenoplectus americanus W. I. Follett; E. B. Follett 1966-4-20 s.n. Riverside Pond east of Dos Palmas Spring. Comment
  POM220056  Schoenoplectus americanus F. R. Fosberg 1932-3-13 8079 Riverside Thousand Palms Canyon. Coachella Valley. Comment
  UC306142  Scirpus americanus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert, Palm Canyon (along creek, Colorado Desert) 274 Comment
  CAS-BOT-BC111017  Scirpus microcarpus I. Johnston 1916-4-21 12 Riverside Between Upland & Cucamonga (Red Hill) Comment
  UC60276  Scirpus microcarpus H. M. Hall June 1901 2289 Riverside along water courses in vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1615 Comment
  UCR136199  Scrophularia californica A. C. Sanders 2004-6-20 28234 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
  UC887498  Scrophularia californica subsp. floribunda I. W. Clokey, C. B. Clokey, and B Tampleton 1930-4-15 4635 Riverside Gavilan Peak 540 Comment
  UCR111578  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UCR193952  Scutellaria bolanderi subsp. austromontana A. C. Sanders 2008-7-25 35893 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  LA30222  Scutellaria mexicana Harlan Lewis; 1957-4-3 sn Riverside Morongo Canyon Comment
  SD232705  Scutellaria mexicana A. C. Sanders, K. Rose 1995-4-5 16373 Riverside San Bernardino Mtns./Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 519 Comment
  POM49560  Scutellaria siphocampyloides P. A. Munz, I. M. Johnston 1924-7-29 8838 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR133501  Scutellaria tuberosa D. C. Hawks 1998-4-20 s.n. Riverside Gavilan Hills, near base of Gavilan Peak 640 Comment
  RSA206254  Sedum niveum Reid V. Moran 1968-8-3 15346 Riverside 1 mile NW of Toro Peak. 2250 Comment
  CHSC89575  Selaginella bigelovii L. P. Janeway 2004-5-8 8070 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. 421 Comment
  IRVC3585  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-28 SJ 41 Riverside Mountain Center to Hemet Hwy. Peninsular Ranges, San Jacinto Mountains 884 Comment
  SEINET4065921  Selaginella bigelovii S. B. Parish 1907-1 6110 Riverside Collected from the western border of the Colorado desert. 200 Comment
  UC306716  Selaginella bigelovii I. M. Johnston 1918-4-3 1824 Riverside s end Juniper Flat; Lakeview Mts. 609 Comment
  UCR202013  Selaginella bigelovii Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  POM6431  Selaginella eremophila Philip A. Munz, L. Street, G Williams 1919-3-25 2324 Riverside Palm Canyon. 243 Comment
  RSA679194  Selaginella watsonii Michael W. Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1446 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UCR260607  Senecio aphanactis O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UC1543104  Senecio flaccidus var. douglasii Donald G. Nelson 1936-5-22 385 Riverside near base Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway; on trail down to stream in Palm Springs Canyon); Palm Springs Canyon Comment
  CLARK-A1045-229  Senecio mohavensis George K. Helmkamp 1979-3-11 Riverside Painted Canyon north of Mecca; Mecca 7.5'Q Comment
  UCR233168A  Senecio mohavensis Jim Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCSB12346  Senecio mohavensis Dearing, Hugh; Dearing, Margaret 1942-3-10 Riverside Dos Palmas Canyon, nr. Palms to Pines Highway Comment
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Nov 19 2011
  SD258926  Senegalia greggii Sarah J. De Groot, Rachel Darney-Lane 2016-6-14 7905 Riverside Whitewater Canyon; along the Pacific Crest Trail, ca. 0.7 air mile south of Red Dome, ca. 1.1 trail miles northnorthwest of Whitewater Preserve, west of Whitewater River. 737 Comment
  UC2031350  Senna covesii Duncan S. Bell with John Anderson, Kim Clark, and Ed Howland 2013-9-29 6036 Riverside Chuckawalla Mountains: on the S side of Corn Springs Wash, approx. 3 air miles W of Corn Springs, and about 0.5 air miles S of Aztec Well. Comment
  CAS-BOT-BC438214  Sesuvium verrucosum S. B. Parish; W. F. Parish 1891-11-3 2278 Riverside Shores of Elsinore Lake Comment
  RSA737121  Sesuvium verrucosum Justin M. Wood 2008-10-15 187 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA776707  Sherardia arvensis Steve D. Boyd 2005-7-4 11633 Riverside City of Riverside, Wood Steets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 244 Comment
  RSA33841  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-4-22 1133 Riverside Banning. 762 Comment
  RSA438870  Silene verecunda subsp. platyota M. B. Dunkle 1933-7-19 3678 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA801946  Silene verecunda subsp. platyota LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6157 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCR20379  Silene verecunda subsp. platyota W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1768 Comment
  UCR114580  Silybum marianum A. C. Sanders, K. C. Rose 1999-6-18 22805 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  CAS-BOT-BC183262  Simmondsia chinensis James R. Shevock 1986-3-23 11355 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  JOTR30629  Simmondsia chinensis Andre, Jim, Tasha La Doux 2008-3-21 8834 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  RSA23234  Simmondsia chinensis Ernest Braunton 1940-4-3 2024 Riverside Berdoo Canyon, 10 mi. E. of Indio. 305 Comment
  UC192524  Simmondsia chinensis Samuel B. Parish Mar 1884 9 Riverside Colorado Desert Comment
  UCSB52657  Simmondsia chinensis Thorne, Robert 1978-4-23 Riverside PALMS TO PINES HIGHWAY: Along highway. Comment
  JOTR00882  Simmond