Search Results — 2000 specimen records retrieved (1898 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR64827  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 08 Riverside Santa Rosa Mtns., Stump Spring Campground 2348 Comment
  SEINET9056158 Image available Abies concolor T. Reeves 1978-7-24 6991 Riverside San Jacinto Mts. Black Canyon (North Fork San Jacinto River) at crossing with Cal Hwy 243 and ca. 1 mi upstream. 1676 Comment
  CAS-BOT-BC229320  Abronia villosa Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  HSC16147  Abronia villosa C. E. Fellows 1965-4-15 58 Riverside Just inside N city limits, Palm Springs, on Hwy. 111 Comment
  SBBG1870  Abronia villosa H. and M. Dearing 1940-6-8 4357 Riverside near Herkey Crk, W of Ribbonwood Comment
  SDSU8420  Abronia villosa J. Godsil 1953-3-20 582 Riverside Sand dunes, east of Palm Springs. 140 Comment
  UC218065  Abronia villosa P. A. Munz, D. Keck 1922-4-14 4968 Riverside Colorado Desert, Indian Wells 91 Comment
  SEINET269463  Abronia villosa var. aurita Scott D. White, Steve Ogg 1994-10-17 2488 Riverside Temecula Murrieta Creek channel directly W of Cherry Street. 315 Comment
  UCR115994  Abronia villosa var. aurita A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23315 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  CAS-BOT-BC203219  Abutilon Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea Comment
  CAS-BOT-BC30904  Acamptopappus sphaerocephalus Joy Keck 1935-4-14 3837 Riverside Lower Morongo Canyon, Colorado Desert Comment
  CAS-BOT-BC30907  Acamptopappus sphaerocephalus Herman Knoche 1919-6-2 635 Riverside Whitewater Comment
  RSA416167  Acamptopappus sphaerocephalus var. sphaerocephalus Robert Gustafson 1980-5-5 1575 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 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
  UC18091  Acer glabrum var. diffusum H. M. Hall 1901-7 2602 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley (Southern California) 2438 Comment
Read comments
Jul 23 2018
  UC729975  Achnatherum coronatum Carl B. Wolf 1932-5-25 3694 Riverside 1/4 mi se of summit Moreno Grade (sw of Beaumont); Bad Lands 670 Comment
  POM365984  Achnatherum hymenoides Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCD50364  Achnatherum hymenoides Peter Kamb 1948-4-11 900 Riverside Lower Sonoran Zone. Whitewater Wash near Whitewater, Coachella Valley. 457 Comment
  SEINET258477  Achnatherum occidentale subsp. pubescens M. Curto, L Allen 1990-6-25 686 Riverside Sante Rosa Mts Toro Peak N slope Santa Rosa Mt Rd ca 2.5 km E of Toro Campground 2435 Comment
  SBBG57054  Achnatherum parishii R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  RSA0019788  Achnatherum parishii subsp. parishii April Garbat, Kristin Forgrave, Naomi Fraga, Tyler Schappe 2013-5-21 70 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  UCR20762  Achyronychia cooperi A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1298 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
  SBBG67317  Acmispon argophyllus var. argophyllus M. D. Clary 1928-3-25 550 Riverside Whitewater Cyn 548 Comment
  UCD104137  Acmispon glaber var. brevialatus T. B. Salvato; Kent Beaman 2005-5-16 793 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  SDSU13528  Acourtia microcephala W. Miller, C. Mosse 1972-7-12 Riverside Comment
  UCR250196  Adenostoma fasciculatum var. fasciculatum A. C. Sanders 2014-4-23 41041 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  CAS-BOT-BC139867  Adenostoma sparsifolium F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CHSC22834  Adenostoma sparsifolium Robert A. Schlising 1968-8-18 2905 Riverside San Jacinto Mountains, short distance south of Idyllwild on Hwy R-1. Comment
  RSA596113  Adenostoma sparsifolium D. L. Banks 1996-11-7 1200 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  SD229252  Adenostoma sparsifolium Dick Schwenkmeyer 2012-3-26 667 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
  UCR208108  Adiantum capillus-veneris N. C. Cooper 1944-4-8 1090 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  UCR100158  Agoseris Scott D. White 1994-4-23 2032 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UCSB6322  Agoseris retrorsa Keator, Glenn 1959-5-16 Riverside About 11 miles northeast of Idyllwild on Banning-Idyllwild highway, San Jacinto Mountains Comment
  UC36983  Agrostis idahoensis H. M. Hall 1901-7 2476 Riverside shores Lake Surprise; San Jacinto Mountains, shores Lake Surprise 2499 Comment
  SEINET10467712  Agrostis scabra var. geminata David B. Dunn 1946-8-17 Dunn 2720 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  RSA0039855  Aliciella latifolia Duncan S. Bell, Evan Meyer 2014-4-2 6506 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA776248  Allionia incarnata Duncan S. Bell 2010-3-20 633 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SBBG104701  Allionia incarnata T. Glenn 1991-5-1 91 -53 Riverside McCoy Mtns NW of Blythe Comment
  SD67627  Allium fimbriatum var. munzii I. W. Clokey, C. B. Clokey, B. Templeton 1930-4-15 4621 Riverside Gavilan Peak. 600 Comment
  CAS-BOT-BC131984  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  POM230625  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Gavilan Peak 600 Comment
  RSA702415  Allium haematochiton Steve Boyd, Aydee Virgen 2004-4-13 10859 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA286816  Allium lacunosum var. lacunosum Robert F. Thorne 1974-5-23 44661 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  UC1544762  Allium munzii Steve Boyd 1986-4-20 1725 Riverside hillside s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 615 Comment
  UCR22139  Allium munzii Steve Boyd 1980-5-17 289 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR94487  Allium munzii Steve Boyd 1982-4-17 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  RSA495445  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2973 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
Read comments
Mar 27 2011
  RSA663323  Allium praecox Mitch Provance 1998-3-7 149 Riverside Jurupa Mountains: Rattlesnake Mt.'', ca. 0.5 km E of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 335 Comment
  RSA543894  Allophyllum glutinosum Steve Boyd 1991-5-20 6275 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA715257  Allophyllum glutinosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32497 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  SDSU12237  Alnus rhombifolia Shasta Gaughen, M. G. Simpson 2000-4-29 10 Riverside Comment
  UC1005235  Amaranthus californicus Edmund C. Jaeger 1939-12-26 Riverside 4 mi n Indio; Asio Canyon 121 Comment
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Nov 5 2011
  VVC2325  Amaranthus fimbriatus Tim Thomas 2011-10-17 5516 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  CDA23709  Amaranthus palmeri T. C. Fuller 1962-10-3 9705 Riverside South side of 32nd Avenue, 0.6 mile east of Ludy Boulevard, road to Ripley, 3.9 miles north of Palo Verde, Palo Verde Valley. 0 Comment
  UCR230599  Amaranthus palmeri A. C. Sanders 2011-9-15 39896 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR18434  Ambrosia confertiflora O. F. Clarke 1975-11-10 s.n. Riverside Box Springs Mtns., Two Trees Canyon 459 Comment
  CAS-BOT-BC22578  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  JEPS108703  Ambrosia dumosa C. Spurrier, M. J. Way 2001-6-14 6 Riverside Big Morongo Canyon Preserve, 5.6 km n of water company entrance on Kickapoo Trail 595 Comment
  LA202899  Ambrosia dumosa A. M. Johnson; 1928-5-5 351 Riverside Travertine Rock Comment
  RSA289720  Ambrosia dumosa Lyman Benson 1933-3-31 4162 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto . 305 Comment
  UC1922419  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UC896725  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  UCSB18824  Ambrosia dumosa Barrick, Linda 1963-5-5 Riverside East side of State Highway 74, 10 miles S of Palm Desert 1066 Comment
  RSA93929  Ambrosia dumosa Donald A. Johansen, Joseph A. Ewan 1932-4-11 7066 Riverside Mouth of Tahquitz Canyon Comment
  UC54139  Ambrosia psilostachya H. M. Hall 1901-8-1 Riverside vicinity of Riverside 304 Comment
  UCR40411  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 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
  UCR232764  Ambrosia pumila John Dvorak, Ana Hernandez 2011-9-7 020 Riverside Perris/Aguanga Basin, north Alberhill, c. 180 m south of the intersection of Lake Street and Temescal Canyon Road, 110 m east of Lake Street 378 Comment
  UCD128886  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 271 Riverside near entrance gate, Andreas Canyon Club, South Palm Canyon Drive, Palm Springs. 167 Comment
  UCR19670  Amelanchier utahensis Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  RSA0000639  Ammoselinum occidentale P. A. Munz, D. Keck 1922-4-13 4930 Riverside Hayfields, Chuckwalla Valley 152 Comment
  CAS-BOT-BC180626  Amorpha californica var. californica Steve Boyd; Tim Ross 1992-5-15 7403 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero 670 Comment
  LA204916  Amorpha californica var. californica W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Barberry Flat, on Bedford Rd Comment
  POM184172  Amsinckia intermedia P. A. Munz 1932-3-24 12025 Riverside North of Lake Elsinore. 305 Comment
  POM3931  Amsinckia intermedia I. M. Johnston 1918-5-30 876 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  SD186123  Amsinckia intermedia A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25834 Riverside Jurupa Mountains, hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 Comment
  UCR121798  Amsinckia menziesii var. menziesii A. C. Sanders, Carolyn Washburn 2001-4-17 24034 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  RSA779632  Amsinckia tessellata Duncan S. Bell 2010-4-1 665 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
  RSA782811  Amsinckia tessellata A. C. Sanders, Nathan Moorhatch 2011-3-22 38763 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  JEPS49776  Amsonia tomentosa W. L. Jepson 1928-4-25 12626 Riverside White Tank Mohave Desert, Pinto Mts., White Tank 1371 Comment
  RSA650083  Anagallis arvensis Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  RSA0016114  Androstephium breviflorum Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24397 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  POM153403  Anemopsis californica P. A. Munz, I. M. Johnston 1928-9-12 11302 Riverside Marsh, 1/2 mile N. of Temecula. Comment
  UCR95237  Anemopsis californica D. L. Banks, Dylan Hannon 1996-5-3 1008 Riverside NW Palomar Mtns, Agua Tibia Mtns; Cleveland National Forest, north of Agua Tibia Wilderness Area; 60 m NW of the end of the Dripping Springs campground drive, where the road makes a loop turn-around, west of the campground road. 494 Comment
  JEPS35961  Anisocoma acaulis W. L. Jepson May 17 1901-Jun 1 1901 1315 Riverside journey from Riverside to Santa Rosa Peak and Palomar Thomas Valley Comment
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Nov 9 2015
  RSA667099  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside: abandoned orange orchard north of 1012 Spruce St. 305 Comment
  POM183981  Antirrhinum filipes Philip A. Munz 1932-3-14 11996 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA425819  Antirrhinum filipes Anstruther Davidson 1927-4-11 s.n. Riverside Palm Springs, Cooper Mine Comment
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Nov 12 2011
  UCR161437  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-9-20 31681 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
  RSA0009202  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White 1998-6-17 6750 Riverside Along Gavilan Rd. or Santa Rosa Mine Rd., ca. 7 miles survey route from Gavilan/Cajalco Rd. jtn. south and east to Santa Rosa Mine/Post Rd. jtn. 488 Comment
  UC1979643  Antirrhinum nuttallianum subsp. nuttallianum Steve Boyd 1995-4-24 8488 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. Comment
  SD185109  Apiastrum angustifolium A. C. Sanders 2005-4-21 29564 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  UC9006  Aquilegia formosa H. M. Hall July 1901 Riverside San Jacinto Mtns 1524 Comment
  UCR167973  Aquilegia formosa T. B. Salvato, John F. Green 2004-5-27 653 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
  UC216812  Arabis glaucovalvula H. M. Hall May 1905 6019 Riverside Cottonwood Springs Colorado Desert Comment
Read comments
Oct 9 2010
  RSA557743  Arabis johnstonii John F. Emmel 1983-6-6 862 Riverside SE end San Jacinto Mountains, ridge 0.8 air mile N of Pyramid Peak 2072 Comment
  POM354173  Arceuthobium campylopodum M. B. Dunkle 1933-7-21 3735 Riverside Idyllwild. 1616 Comment
  RSA629345  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16863 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629432  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16835 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  POM254953  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 1098 Comment
  RSA608235  Arctostaphylos glandulosa subsp. zacaensis Steve Boyd, Bart O'Brien 1998-1-13 10069 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 914 Comment
  POM367319  Arctostaphylos glauca Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA6124  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside One half-mile southwest of summit of Moreno Grade, Bad Lands, southwest of Beaumont 610 Comment
  RSA631749  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19268 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631762  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15068 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631820  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21810 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA631828  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16512 Riverside Red Mountain Road, 1 km east of R3. 820 Comment
  RSA631851  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15083 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  SEINET10449242  Arctostaphylos glauca James S. Miller 1992-5-8 Miller 7467 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  HSC101788  Arctostaphylos parryana J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13205 Riverside Along State Route 74 1558 Comment
  RSA633667  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21771 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633698  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16667 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  POM12411  Arctostaphylos patula subsp. platyphylla P. A. Munz 1922-9-7 6415 Riverside North fork of Tahquitz Creek. 2287 Comment
  JEPS22254  Arctostaphylos pringlei subsp. drupacea Otto Solbrig 1958-3-21 2515 Riverside on road from Idyllwild to Banning; San Jacinto Mountains, Pine Cone Summit 1920 Comment
  LA42421  Arctostaphylos pringlei subsp. drupacea Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  POM367428  Arctostaphylos pringlei subsp. drupacea Albert J. Perkins 1916-9-14 s.n. Riverside Idlewild Comment
  RSA6037  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  SFV2660  Arctostaphylos pringlei subsp. drupacea A. Thompson 1959-4-10 Riverside San Jacinto Mountains Along side San Gorgonio Road. 1799 Comment
Read comments
Jun 3 2013
  UC193039  Arctostaphylos pringlei subsp. drupacea S. B. and W. F. Parish June 1882 936 Riverside San Jacinto Mt. Comment
  UC527225  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
Read comments
Mar 24 2011
  RSA635771  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16747 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  RSA635788  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16525 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635809  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16545 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  SDSU17430  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 396 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UCR209397  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6516 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, north side of El Calamar Road and Via Escalon, 0.8 km west-northwest of the summit of Mesa de La Punta 447 Comment
  UCR79485  Arenaria douglasii Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7340 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  SD229210  Argemone munita Dick Schwenkmeyer 2012-5-22 732 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC1040951  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-5-22 2112 Riverside 2.8 mi se Palm Springs Comment
  UCR167975  Argemone munita T. B. Salvato, John F. Green 2004-5-27 655 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
  JOTR35378  Aristida adscensionis Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 167 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA700961  Aristida adscensionis Gary D. Wallace 1982-5-15 2006 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  SBBG57071  Aristida adscensionis M. N. Ackley -Mar-1928 51 Riverside Colorado Desert 60 Comment
  SD224792  Aristida adscensionis G. K. Helmkamp 1998-4-4 3155 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd., to the vicinity of the pumping station. 305 Comment
  SD248063  Aristida adscensionis J. M. Andre 2014-1-27 26667 Riverside Riverside Mountains; at mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UC1714479  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Riverside Temescal Canyon 365 Comment
  UCR111514  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UCSB37795  Aristida purpurea Roos, John 1965-9-26 Riverside Palm Springs 121 Comment
  UCR201498  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2008-6-17 12189 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  UCR23881  Aristida purpurea var. nealleyi John C. Roos 1946-9-14 3029 Riverside Peninsular Range; Santa Rosa Mtns., along the roadside c. 1 mile east of Pinyon Flats camp 1189 Comment
  UCR117105  Aristida ternipes var. gentilis A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA388061  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Hartford Springs County Park, at south end of park. Comment
  CLARK-A1528-153  Artemisia douglasiana Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA784528  Artemisia dracunculus J. D. Olmsted 1959-8-19 827 Riverside San Jacinto River drainage area: Around tennis courts at Desert Sun School. Saunder's Meadows near Idyllwild. 1707 Comment
  SEINET10723658  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2737 Riverside Found 2 mile west of Hidden Lake along trail in San Jacinto Mts. Comment
  CAS-BOT-BC93734  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2296 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  UC129480  Artemisia ludoviciana subsp. incompta H. M. Hall 1907-7-2 8006 Riverside vicinity of Riverside; Santa Ana River bottoms 274 Comment
  OBI45713  Artemisia nova David Charlton 1986-8-18 578 Riverside Capitol reef National Park, Grand Wash Trail above the campground and the Fremont River 1646 Comment
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Apr 9 2015
  SJSU395  Asclepias eriocarpa A. W. Jacobs 1938-8-1 Riverside E of Keen Camp Ranger Station, San Jacinto Mts 1402 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
  OBI52770  Asparagus asparagoides B. Pitzer & E. Misquez, E. Misquez 1988-2-28 636 Riverside Walker Basin, SW of Murrieta, Avenida del Oro, 2 mi S of Ranch Calif Rd 427 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
  UCR90270  Astragalus aridus John Wear 1994-4-21 s.n. Riverside Coachella Valley, near Bermuda Dunes, Ave. 38 at Varner Rd 61 Comment
  SEINET2060370 Image available Astragalus bicristatus Reid Moran 1973-7-28 21111 Riverside North slope of Toro Peak, Santa Rosa Mountains. 2310 Comment
  UC63400  Astragalus didymocarpus H. M. Hall 1904-5-19 4951 Riverside vicinity Riverside (Fairmount Park); vicinity of Riverside, Fairmount Park 243 Comment
  UCSB45527  Astragalus didymocarpus Roos, John 1952-4-30 Riverside Hills between Camp Haan and Riverside 518 Comment
  UCD84939  Astragalus didymocarpus var. dispermus Chuck Hughes 2010-3-23 211 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  POM1992  Astragalus douglasii var. parishii I. M. Johnston 1917-4-4 1005 Riverside Andreas Canyon. Comment
  UC488913  Astragalus douglasii var. parishii C. V. Meyer June 1927 205 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1706 Comment
  UC862990  Astragalus douglasii var. parishii Carl B. Wolf 1932-8-4 3923 Riverside on road to Banning 1 1/2 mi from Idyllwild (Strawberry Valley, San Jacinto Mts.); San Jacinto Mts., Strawberry Valley, 1 1/2 mi fr Idyllwild 1706 Comment
  CAS-BOT-BC186897  Astragalus insularis var. harwoodii H. M. Hall 1901-4-5 5945 Riverside McCoy Wash, Colorado Desert Comment
  SDSU7941  Astragalus lentiginosus K. Larson 1975-4-24 1528 Riverside 10 miles northwest Palm Springs Creek rd. Comment
  CLARK-A1656-728  Astragalus lentiginosus var. coachellae Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  UC1077127  Astragalus lentiginosus var. coachellae Margaret Stason 1927-3-12 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UCR265197  Astragalus lentiginosus var. coachellae David Fraker, Aaron C. Sedgwick 2012-5-8 94 Riverside Sonoran (Colorado) Desert, south of Hwy 111 along dunes at base of the San Jacinto Mtns. 375 Comment
  UCR112975  Astragalus nuttallianus B. G. Pitzer, T. Tennant 1998-2-21 3533 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  SD134453  Astragalus pachypus var. jaegeri Craig Reiser 1990-7-1 Riverside Vail Lake, tip of peninsula jutting into lake from south Comment
  UC1094504  Astragalus pomonensis Peter H. Raven, Sidney R. Snow 1956-6-30 9543 Riverside along road 1.7 mi w Dripping Springs Guard Station (on road to Temecula); w of Dripping Springs, on road to Temecula Comment
  RSA0003063  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  SEINET7063431  Athysanus pusillus A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 573 Comment
  UCR139028  Athysanus pusillus D. L. Banks 1997-4-5 1677 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  CAS-BOT-BC98821  Atrichoseris platyphylla Aven Nelson; Ruth A. Nelson 1939-3-29 3328 Riverside Hidden Springs Canyon, near Mecca Comment
  HSC87171  Atrichoseris platyphylla Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2161 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  UCR116935  Atriplex argentea A. C. Sanders, D. Malueg 2001-5-17 24359 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  POM153405  Atriplex argentea subsp. expansa P. A. Munz 1928-9-12 11304 Riverside SE end of Elsinore Lake Comment
  UC65011  Atriplex canescens E. E. Schellenger 31 Riverside s Palm Springs; Colorado Desert, s of Palm Springs Comment
  UC850851  Atriplex canescens Carl B. Wolf 1932-10-13 4322 Riverside ne side Salton Sea (at Durmid, ne side S. P. R. R. tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  UCR92079  Atriplex canescens Scott D. White 1995-8-23 3590 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  POM202643  Atriplex canescens var. laciniata W. M. Ingram 1934-10 1 Riverside 6 miles southwest [southeast] of Whitewater Highway 99, Colorado Desert. Below sea level. Comment
  RSA773114  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-10-7 673 Riverside Hwy 177. N of Desert Lily Sanctuary. Palen Valley. 274 Comment
  RSA189415  Atriplex canescens var. linearis L. S. Rose 1966-12-11 s.n. Riverside Palm Springs. 152 Comment
  UCR159814  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  SD87786  Atriplex hymenelytra F. W. Peirson 1924-12-30 5415 Riverside 1000 Palms Canon Comment
  RSA486455  Atriplex lentiformis subsp. breweri Richard Noyes, L. Arnseth 1988-10-30 761 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA289849  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-9-17 4057 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  SBBG33937  Atriplex linearis L. S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  RSA0047014  Atriplex polycarpa Sarah J. De Groot, Cheryl S. Sevilla 2014-10-21 7352 Riverside West side of Big Maria Mountains; south of Vidal, just west of Highway 95 but east of powerline, along BLM road EC 472. About 3.2 air miles south of Slaughter Tree Wash; about 0.7 air miles (3700 ft.) west of the Colorado River. 99 Comment
  SD112543  Atriplex serenana Darley F. Howe 1952-7-14 2250 Riverside South of Lake Elsinore. Comment
  UCR167833  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA532584  Atriplex serenana var. davidsonii D. Bramlet 1991-6-20 2200 Riverside San Jacinto Wildlife Area. Approximately 8 m. E of Davis Road and some 150 m. N of the San Jacinto River levee. Old Riverbed area beside the existing channelized area of the San Jacinto River. 475 Comment
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Jan 16 2013
  UCR121254  Atriplex serenana var. serenana D. E. Bramlet, D. J. Bradney 1989-7-3 1931 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  CLARK-A1528-4493  Avena barbata John C. Roos 1952-2-18 5353 Riverside Riverside 274 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
  CLARK-A1528-4495  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  JOTR35175  Avena fatua La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3276 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  POM18172  Azolla filiculoides Philip A. Munz 1923-3-10 6588 Riverside San Jacinto River, 3 miles from Elsinore Comment
  IRVC525  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-6-11 SJ 373 Riverside Santa Rosa Rd., slope W-5 degree draw, mostly sandy soil, occasional boulders. Santa Rosa Mountains 1601 Comment
  UCR180129  Baccharis pilularis subsp. consanguinea A. C. Sanders, Steve Boyd, Mark A. Elvin, Dean Kelch 2006-12-8 33256 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, north side of Mesa de Colorado at drainage (headwaters of Cole Cyn.) crossing Via Volcano just south of Tenaja Rd. 598 Comment
  CAS-BOT-BC106744  Baccharis salicifolia Geo. B. Grant 1898-3-16 s.n. Riverside Riverside 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
  UCR270757  Baccharis salicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8371 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  JOTR36094  Baccharis salicifolia subsp. salicifolia La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3321 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  CLARK-A1656-619  Baccharis sarothroides Milton Walker 1978-1-31 Riverside Little San Bernardino Mountains Comment
  RSA709113  Baccharis sarothroides Scott D. White, Justin M. Wood 2005-9-27 11231 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  SEINET10859137  Baccharis sarothroides A. K. Evans 1976-4-13 Evans 5211 Riverside Desert canyons of Santa Rosa Mountains. Comment
  CAS-BOT-BC99875  Baccharis sergiloides Geo. B. Grant 96 -6746 Riverside Palm Springs Comment
  POM248434  Baccharis sergiloides Philip Crow 1939-7-2 s.n. Riverside Blythe Comment
  RSA777277  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4552 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD80133  Baccharis sergiloides Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-6 360 Riverside Andreas Canyon, east slope San Jacinto Mountains 455 Comment
  RSA0094095  Bahia dissecta Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8721 Riverside Santa Rosa Mountains; approximately 0.4 air mile southeast of the summit of Santa Rosa Mountain. 2410 Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  JEPS34796  Baileya pauciradiata L. M. Newlon 1922-4-8 423 Riverside e of Palm Springs Comment
  POM8369  Baileya pauciradiata Mary F. Spencer 1920-3-12 216 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  SBBG65724  Baileya pauciradiata L. Rowntree 1930-5-8 Riverside cyn S of Deep Cyn Comment
  RSA719072  Baileya pleniradiata Michael Honer 2005-3-18 2094 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  SBBG20059  Bebbia juncea E. R. Blakley 1963-9-18 6181 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  UCR143340  Bebbia juncea I. M. Johnston 1917-6-5 1239 Riverside Hills south of Arlington, Riverside 366 Comment
  UCR167365  Bebbia juncea 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
  LA103754  Bebbia juncea var. aspera Robert F. Thorne; C. W. Tilforth 1973-5-30 43582 Riverside Coachella Valley, mouth of Morongo Valley at N-end of valley 548 Comment
  SD5513  Bebbia juncea var. aspera Fidella G. Woodcock Jul 1928 Riverside Among rocks in stream, Palm Canyon, Palm Springs Colorado Desert (mak 7/07) Comment
  UC51597  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  CSUSB1  Beloperone californica Frank Aubrey 1959-2-2 S.N. Riverside Palm Desert 0.2 miles east of junction of Deep Canyon Road with Portala Ave. 2.2 miles south of junction of Portala Ave. and State Highway 111 in Palm Desert, Riverside County, Ca. In middle of creek bed where road crosses it. 213 Comment
  UCR153471  Berberis dictyota Chris E. True 2004-9-20 s.n. Riverside Santa Ana Mtns., Bedford Road c. 0.5 mi. NE of Main Divide Truck Trail, N of the head of Brown Canyon 1022 Comment
  UCR87941  Berberis dictyota A. C. Sanders 1994-1-30 14228 Riverside Box Springs Mtns, Rocky N facing slope at the head of Two Trees Canyon. Comment
  UCR67358  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3997 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA479264  Bernardia incana Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  SD127585  Bernardia incana Robert F. Thorne, Avi Shmida and Robert Whittaker 1978-4-23 52074 Riverside North slope of Santa Rosa Mountains; Bighorn Lookout. Comment
  UCD142297  Bernardia incana C. W. Tilforth; W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook; S. of Palm Desert; Hiway 74 above Deep Canyon. Comment
  UCR109637  Berula erecta T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  UC128992  Bidens laevis Geo. R. Hall 1905-1 Riverside Riverside Comment
  RSA450130  Bidens pilosa J. C. Roos 1965-8-18 s.n. Riverside In Corona. Comment
  CSUSB416  Bloomeria crocea Pat Halligan 1968-4-13 Riverside 1/4 mile southwest of water tank on Sugarloaf Mountain Comment
  SD79852  Boechera californica Helen Witham 1970-4-29 815 Riverside One mile west of L. Hemet. 1200 Comment
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Nov 4 2008
  UC1979645  Boechera californica Steve Boyd, D. L. Banks 1995-3-30 8405 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. Comment
  JOTR38525  Boerhavia coulteri var. palmeri Harding, Mitzi, Kipp Callahan 2012-8-27 294 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  JOTR30751  Boerhavia triquetra La Doux, Tasha, Jim Andre 2007-9-6 134 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  JOTR32409  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 2 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  SEINET4691938  Boerhavia wrightii Duncan S. Bell, Aaron Sedgwick 2012-1 4209 A Riverside Colorado Desert; western Colorado Desert region: The Mecca Hills; along what was left of Box Canyon Road After having been buried by a flash flood from a large summer ftorm approx 5 air miles northeast of the junction of box Canyon rRoad and the Coachella Canal of approximatly 1.25 air miles southwest of Shavers well 240 Comment
  SBBG14337  Bouteloua aristidoides E. R. Blakley 1961-9-12 4714 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  JOTR29187  Bouteloua aristidoides var. aristidoides La Doux, Tasha 2003-9-24 1257 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  SEINET10519902  Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 Holmgren 6490 Riverside Palen valley, 15 mi ne of desert center. T3s, r16e, sec 25, locally common in Gullies. Plants dark violet. 183 Comment
  JOTR32106  Bouteloua barbata var. barbata Harding, Mitzi, Kipp Callahan 2012-8-27 281 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR207232  Brachypodium distachyon O. F. Clarke 2008-4-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM90998  Brandegea bigelovii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
Read comments
Feb 3 2011
  UCR187486  Brassica geniculata Diane Menuz 2006-6-21 178 Riverside Peninsular Range; Santa Ana Mtns, Santa Rosa Plateau, at intersection of Tenaja Truck Rd. and Ranch Rd. 541 Comment
  UCR100172  Brassica rapa Scott D. White 1993-3-3 1106 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA774896  Brassica tournefortii Duncan S. Bell, Amber Swanson 2011-2-18 2031 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR166003  Brassica tournefortii Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  LA203067  Brickellia atractyloides var. arguta Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  CLARK-A1528-2039  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  UCR140894  Brickellia desertorum 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
  UCR23692  Brickellia desertorum John C. Roos 1946-9-14 3023 Riverside Santa Rosa Mountains, Pines-to-Palms Highway. 1100 Comment
  CAS-BOT-BC100518  Brickellia incana Edmund C. Jaeger 1924-10-1 s.n. Riverside Coyote Holes near Quail Springs, Morongo Mountains 1036 Comment
  RSA367529  Brodiaea Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA736003  Brodiaea filifolia Scott D. White, Justin M. Wood 2008-6-26 12291 Riverside I-215 just N of San Jacinto River crossing. 431 Comment
  UCR88420  Brodiaea filifolia D. E. Bramlet 1995-5-24 2426 Riverside San Jacinto Wildlife Area: Lovell Unit, c. 1.7 km NE of Lakeview. 152 m east of Davis Rd. and 34 m south of the existing access road, 200 m N of the San Jacinto River channel 436 Comment
  CAS-BOT-BC486547  Brodiaea terrestris subsp. kernensis H. M. Hall 1901-6-1 2093 Riverside Meadows in the vicinity of Strawberry Valley, San Jacinto Mountains 1402 Comment
  UCR89494  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mt., Agua TibiaWilderness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd. 1000 Comment
  UCR157593  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16220 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
  CLARK-A1528-4533  Bromus carinatus John C. Roos 1953-4-15 5912 Riverside Riverside 259 Comment
  SEINET186325 Image available Bromus ciliatus Philip A. Munz 1938-8-14 16356 Riverside Virgin Spring, Santa Rosa Peak 2286 Comment
  CLARK-A1528-4535  Bromus diandrus John C. Roos 1952-4-9 5474 Riverside Riverside 259 Comment
  RSA0036798  Bromus diandrus Starr Streight 1982-4-17 25 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  SDSU14316  Bromus diandrus Martin M. Lane, Mike Simpson 2002-4-20 7 Riverside At Santa Margrita River Ecological Reserve, West side of Via Tornado road edge. Across from the loop trail head. 338 Comment
  UCR108871  Bromus diandrus Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR193555  Bromus grandis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35664 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  RSA702384  Bromus hallii Naomi Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1286 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  RSA740713  Bromus hordeaceus Scott D. White, Justin M. Wood 2008-7-8 12402 Riverside Johnson Meadow. 1439 Comment
  UCR158274  Bromus hordeaceus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29499 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
  UCR91861  Bromus hordeaceus A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18117 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  SDSU14007  Bromus madritensis subsp. rubens Dinna Estrella, M. G. Simpson 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside field station. 335 Comment
  UC816370  Bromus madritensis subsp. rubens I. W. Clokey, B. C. Templeton 1930-4-9 4680 Riverside n of Palm Springs (Colorado Desert); Colorado Desert 180 Comment
  CAS-BOT-BC161813  Bromus rubens Miles Fellows 1982-3-16 s.n. Riverside At the base of the north facing hillside 30 yards west of the entrance to the University of California RIverside Botanic Garden. Comment
  CAS-BOT-BC161815  Bromus rubens D. A. Johansen; J. A. Ewan 1932-4-10 7057 Riverside Along diversion canal at mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  UCR92322  Bromus rubens Scott D. White 1995-3-30 2629 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA771123  Bromus tectorum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5004 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
  UCR214683  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37668 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  CLARK-A1528-4564  Bromus unioloides Alfred R. Roos 1937-11-13 Riverside Riverside 243 Comment
  JEPS9627  Bursera microphylla Marjorie Clary 1939-3-2 Riverside 17 mi sw Coachella; Santa Rosa Mountains, Martinez Canyon Comment
  JOTR28872  Caesalpinia virgata La Doux, Tasha, Bill Truesdell 2004-3-17 1107 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  UC724191  Calandrinia ambigua Aven and Ruth Nelson 1939-3-29 3326 Riverside near Palm Grove (at Hidden Springs at the Mecca road) Comment
  CAS-BOT-BC438494  Calandrinia ciliata Munz; Harwood 1920-2-28 3268 Riverside 2 mi S.W. of Corona 304 Comment
  RSA0105077  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens 2003-4-6 107 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA198959  Callitriche marginata R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37451 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  UC1409149  Callitriche marginata Robert F. Thorne and Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau on south end of Mesa de Colorado, Rancho California. 624 Comment
  CAS-BOT-BC85764  Calocedrus decurrens W. L. Jepson; H. M. Hall 1901-5-17 1448 Riverside From Riverside to Santa Rosa Peak and Palomar Comment
  CAS-BOT-BC85767  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  RSA297384  Calocedrus decurrens Larry E. DeBuhr 1972-2-25 500 Riverside Santa Rosa Mts. San Bernardino National Forest; along forest road 7S02; above Cedar Springs. 2346 Comment
  UCR117615  Calochortus concolor Scott D. White 1997-5-25 5239 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA5545  Calochortus invenustus Carl B. Wolf 1932-8-5 3966 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  RSA773595  Calochortus plummerae Duncan S. Bell, Ryan Parker 2010-6-15 1307 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.9 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 740 Comment
  UCR30501  Calochortus plummerae John C. Roos, L. Roos 1952-5-30 5733 Riverside One year old burn on hills of North Moreno between Moreno and Redlands. In branch of San Timoteo Canyon. 503 Comment
  RSA660540  Calochortus splendens Orlando Mistretta 1992-6-10 512 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  SD140233  Calochortus splendens Scott White 1993-4-22 1221 Riverside North Averill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR169860  Calochortus splendens Jason L. Hlebakos 2005-5-3 613 Riverside Santa Ana Mtns, Elsinore Peak 1039 Comment
  UCR174331  Calochortus splendens A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32559 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC483506  Calochortus splendens Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Canyon, Highway 74, San Juan Mts. 609 Comment
  RSA502182  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3720 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA388327  Calycadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA0120488  Calycoseris wrightii Duncan S. Bell, Thomas Stoughton 2016-3-17 8960 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  RSA0121001  Calycoseris wrightii Duncan S. Bell, LeRoy Gross 2016-3-8 8832 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  JEPS52561  Calyptridium monandrum Carl V. Meyer 1929-6-15 756 Riverside along old road between Keen Camp and Idyllwild (San Jacinto Mountain); San Jacinto Mountain 1524 Comment
  UC1136649  Calyptridium monandrum H. S. Yates 1937-3-23 6405 Riverside 2 mi n of Palm Springs 213 Comment
Read comments
Apr 16 2011
  UC63436  Calyptridium monandrum H. M. Hall 1904-5-16 4944 Riverside vicinity of Riverside (Fairmount Park); Fairmount Park 243 Comment
  UCR202234  Calyptridium monandrum 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
  UCR60246  Calyptridium monandrum R. F. Thorne, M. Z. Thorne 1973-3-30 42685 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UC489218  Calyptridium monospermum C. V. Meyer 1928-7-27 550 Riverside San Jacinto Peak; Southern California, San Jacinto Peak 3230 Comment
  HSC92884  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 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
  LA50059  Calystegia macrostegia subsp. tenuifolia Elizabeth McClintock; 1935-5-12 sn Riverside Massacre Canyon near San Jacinto Comment
  UCR118780  Camissonia A. C. Sanders, G. K. Helmkamp 1997-3-15 19931 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UCR132614  Camissonia Kent Beaman 1983-4-24 31 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  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
  RSA291599  Camissonia bistorta C. W. Tilforth, Walter Wisura 1979-4-11 1780 Riverside Long Canyon, in wash, Rancho California Road, east of Temecula Comment
  RSA465919  Camissonia bistorta N. C. Cooper 1947-4-5 2097 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR139051  Camissonia bistorta D. L. Banks 1997-2-23 1330 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  RSA359857  Camissonia bistorta Steve Boyd 1986-4-2 1629 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA676031  Camissonia brevipes Scott D. White 2001-4-17 8335 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA784971  Camissonia brevipes Duncan S. Bell 2012-3-18 3214 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SEINET3005040  Camissonia brevipes G. Rink 2011-4-25 10475 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 118 Comment
  POM13037  Camissonia brevipes subsp. brevipes P. A. Munz, D. D. Keck 1922-4-9 4894 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA135607  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11469 Riverside Colorado Desert. At edge of canyon, on road to Cottonwood Springs, 4.5 miles S of State Highway 195. Comment
Read comments
Jun 9 2012
  RSA466016  Camissonia brevipes subsp. brevipes N. C. Cooper 1949-4-8 3314 Riverside Desert Center. 610 Comment
  UCR104921  Camissonia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20660 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR258869  Camissonia californica T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7908 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
  UC20456  Camissonia campestris subsp. campestris E. L. Koethen Mar., 1897 16 Riverside Riverside Comment
  SEINET5344149  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Above & adjacent to coast, Corona Del Mar State Park along Newport Coast Drive Comment
  RSA135282  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11752 Riverside Plain near Colorado River, along U.S. Highway 95, 37.5 miles north of Blythe. Comment
  RSA449186  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-4-8 3313 Riverside Desert Center. 610 Comment
  RSA449213  Camissonia claviformis subsp. aurantiaca Robert M. Perkins, H. de Forest 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  POM48990  Camissonia hirtella P. A. Munz, I. M. Johnston 1924-7-29 8846 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA448992  Camissonia hirtella Robert Gustafson 1983-4-18 2505 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA449226  Camissonia ignota N. C. Cooper 1949-6-29 4381 Riverside East side of San Jacinto Mountains. 457 Comment
  SEINET3093300 Image available Camissonia pallida G. Helmkamp, A. C. Sanders, P. MacKay, T. Thomas 1997-2-8 19674 Riverside Colorado Desert: Palm Springs, Indian Ave at Las Vegas Rd, below mouth of Chino Canyon. Palm Springs 7.5' Quad. 188 Comment
  UCR112973  Camissonia pallida B. G. Pitzer, T. Tennant 1998-2-21 3539 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  UCR213765  Camissonia pallida Scott D. White, Justin M. Wood 2009-4-28 12609 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  SEINET12189027  Camissonia pallida Unknown 1933-1 8047 Riverside Palm Springs Comment
  RSA25368  Camissonia refracta C. L. Hitchcock 1940-4-1 5898 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA703382  Camissonia refracta LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1409 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  OBI42569  Camissoniopsis confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mts, upper part of the trl toward Spitler Peak from the Hurkey Crk camp to Bonita Vista Rd 1829 Comment
  SD137703  Camissoniopsis hirtella Darin L. Bankls, Steve Boyd 1995-5-3 260 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD247462  Camissoniopsis hirtella T. B. Salvato, Matt MallA^ 2014-5-29 8025 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mile west of Murrieta Road and 4.3 miles southeast of Canyon Lake (Romoland 7.5'Q) 534 Comment
  UC56873  Camissoniopsis ignota H. M. Hall Apr. 1903 3806 Riverside vicinity of Riverside 396 Comment
  SBBG34572  Camissoniopsis pallida T. L. Secrest 1951-5-19 Riverside near Idyllwild Comment
  UCSB4505  Camissoniopsis pallida subsp. pallida Gunnerson, Robert 1953-3-22 Riverside Devil's Garden Comment
  UCR241250  Capsella bursa-pastoris T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1208 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR188226  Carex Diane Menuz 2006-6-21 177 A Riverside Peninsular Range; Santa Ana Mtns, Santa Rosa Plateau, at intersection of Tenaja Truck Rd. and Ranch Rd. 541 Comment
  UCR25014  Carex alma George K. Helmkamp 1981-6-25 s.n. Riverside San Jacinto Mountains, Idyllwild. Strawberry Creek c. 200 yards south of the bridge near the U.S.C. campus. Comment
  UCR68861  Carex barbarae Steve Boyd, T. S. Ross 1990-5-11 4663 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA41335  Carex douglasii J. C. Roos 1943-10-16 2739 Riverside Little San Bernardino Mountains. 1372 Comment
  RSA364633  Carex fracta M. B. Dunkle 1933-7-19 3666 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  POM14315  Carex hoodii Phillip A. Munz 1922-7-6 6005 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA797495  Carex multicaulis Keith E. Hoffmaster 1937-7-5 829 Riverside Fern Valley, San Jacinto Mtns Comment
  SBBG59305  Carex multicaulis R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  POM1481  Carex praegracilis I. M. Johnston 1918-5-26 1995 Riverside Santa Ana River, NW of Corona. 152 Comment
  POM259176  Carex subfusca Phillip A. Munz 1938-8-13 15322 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  RSA0099996  Carex subfusca Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8573 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  RSA501005  Castilleja affinis Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3123 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  JEPS8558  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3595 Riverside 12 mi w Aguanga (along State Highway 71, se end of Pauba Valley); Pauba Valley 426 Comment
  RSA400521  Castilleja angustifolia Frances L. Cramer 1941-5-3 20325 Riverside Joshua Tree National Monument Comment
  RSA0010961  Castilleja applegatei subsp. martinii Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3557 Riverside Vail Lake area, along Arroyo Seco drainage from junction with Kolb Creek. S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA773593  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-14 1305 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  SEINET7072846  Castilleja exserta A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UC886555  Castilleja exserta P. A. Munz 1922-4-28 5031 Riverside Temescal Canyon Comment
Read comments
Apr 3 2011
  SBBG128622  Castilleja exserta subsp. exserta S. R. Hill, A. C. Sanders 2001-5-4 33712 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  SD10676  Castilleja exserta subsp. exserta Mrs. D. R. Wolf 1932-3-20 30 Riverside Richman Ranch, 2I(c) mi. no. of De Luz 456 Comment
  JEPS13247  Castilleja foliolosa Annie M. Alexander and Louise Kellogg 1941-4-24 2081 Riverside w side Dry Morongo Creek Gorge; Morongo Valley, Dry Morongo Creek Gorge 640 Comment
  RSA612477  Castilleja foliolosa D. L. Banks 1997-2-23 1340 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  SD225112  Castilleja foliolosa G. K. Helmkamp 1998-4-3 3089 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek 747 Comment
  UC1287058  Castilleja foliolosa C. L. Hitchcock 1966-3-15 24164 Riverside about 10 mi ne Temecula Comment
  UC1979664  Castilleja foliolosa Darin L. Banks, Steve Boyd 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  RSA783631  Castilleja martinii J. D. Olmsted 1962-5-3 3527 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  RSA0121436  Castilleja minor subsp. spiralis Duncan S. Bell, LeRoy Gross 2016-3-30 9145 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CDA6525  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region; Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. Comment
  RSA614163  Caulanthus D. L. Banks 1997-2-23 1314 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
  UC494745  Caulanthus cooperi C. L. Hitchcock 1932-4-9 12223 Riverside 10 mi se White Tank (eastern Riverside County); se of White Tank Comment
  RSA503410  Caulanthus heterophyllus J. D. Olmsted 1962-5-10 3643 Riverside Crest between Sandia Creek and DeLuz Creek drainages 259 Comment
  UCR22123  Caulanthus heterophyllus Steve Boyd 1980-5-15 272 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA559937  Caulanthus lasiophyllus var. rigidus Steve Boyd 1992-4-18 6888 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  HSC98202  Ceanothus crassifolius C. L. Hitchcock 1966-3-15 24152 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  POM254867  Ceanothus crassifolius W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 793 Comment
  RSA3119  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  SD60441  Ceanothus crassifolius Reid Moran 1964-7-27 11866 Riverside Canyon of Santa Margarita River, 2I(c) miles SSW of Temecula; canyon bottom 199 Comment
  UCR98060  Ceanothus crassifolius A. C. Sanders 1997-3-1 19728 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  UCSB41256  Ceanothus crassifolius Cowan, Clark 1978-4-25 Riverside 6.7mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. F.; Whittaker transect #W-229. Comment
  UCR160056  Ceanothus cuneatus var. cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCR132921  Ceanothus greggii 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
  HSC86327  Ceanothus integerrimus Jane Hildreth 1981-6-4 16 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  CAS-BOT-BC51288  Ceanothus leucodermis H. E. McMinn 1925-7-2 1523 Riverside Idyllwild grade - San Jacinto Mt. Comment
  POM17814  Ceanothus leucodermis P. A. Munz, D. D. Keck 1923-6-14 7090 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  UCR823  Ceanothus leucodermis Robert A. Hawthorne 1957-4-18 s.n. Riverside Peninsular Range, US Hwy 395, 4 miles south of Temecula 366 Comment
  RSA262091  Ceanothus oliganthus E. W. Lathrop 1969-5-9 7032 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA0019590  Ceanothus oliganthus var. oliganthus M. French Gilman 1928-3-13 s.n. Riverside Canyon on north slope of San Jacinto Mountains, between Cabazon and Whitewater. Comment
  CAS-BOT-BC83760  Ceanothus ophiochilus D. O. Burge 2009-3-19 1065 b Riverside Oak Mountain, W of Vail Lake 640 Comment
  RSA606740  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27407 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
  RSA606748  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27400 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
  UCR93033  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7890 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  SBBG4148  Ceanothus perplexans H. and M. Dearing 1939-4-5 3088 Riverside 2 mi W of Beaumont 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
  UCR87881  Ceanothus perplexans G. F. Pratt 1994-3-21 94- 01 Riverside Mojave Desert, Little San Bernardino Mountains, Joshua Tree National Monument, 1 mi north of Quail Mountain 1524 Comment
  LA44932  Ceanothus spinosus Norman C. Cooper; 1944-6-17 1444 Riverside San Jacinto Mountains, Pine Cove 1523 Comment
  LA44949  Ceanothus tomentosus W. Pequegnat; 1939-8-11 35 Riverside Santa Ana Mountains, Sky line drive Comment
  UCR216406  Ceanothus tomentosus Mike Bell 2008-3-30 032 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 526 Comment
  UCR224856  Cenchrus ciliaris Chris McDonald 2010-6-8 s.n. Riverside Sonoran (Colorado) Desert, Indio, on Indio Blvd. 0.14 km east of Burr St. on south side of street, between Burr and Madison streets 12 Comment
  CLARK-A1528-2043  Centaurea melitensis Cary Brown 1964-4-22 Riverside Riverside 274 Comment
  POM351510  Centaurea melitensis M. M. Thompson 1947-6-9 C 2074 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA74576  Centaurea repens J. C. Roos 1947-7-5 2908 Riverside Junction of San Timoteo and Live Oak Creeks. 457 Comment
  RSA607916  Ceratophyllum demersum L. C. Wheeler 1961-6-24 7912 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UC1128902  Cercidium floridum subsp. floridum H. S. Yates 1937-6-28 6745 Riverside near Oasis; Thermal Quadrangle 30 Comment
  CAS-BOT-BC135493  Cercocarpus betuloides var. betuloides James R. Shevock 1976-11-24 5384 Riverside Along Calif. Highway 74 near El Cariso Station - Santa Ana Mountains, Cleveland National Forest 670 Comment
  CAS-BOT-BC135495  Cercocarpus betuloides var. betuloides A. M. White 1974-6-4 74 -671 Riverside Indian Rd. ca. 15 mi. W. of Sun City, site 4 Comment
  UC1127850  Cercocarpus betuloides var. betuloides R. St. John 1929-3-27 18 Riverside Snow Creek 914 Comment
  UC1719446  Cercocarpus betuloides var. macrourus D. Atwood 1993-3-26 17683 Riverside Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 807 Comment
Read comments
Nov 20 2007
  SD245306  Cereus A. C. Sanders 2010-5-31 38433 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Large Victorian residence. 257 Comment
  CAS-BOT-BC279539  Chaenactis artemisiifolia Cecil Hart 1922-5-21 20 Riverside San Jacinto Mt. Comment
  UC894410  Chaenactis artemisiifolia E. C. Jaeger 1922-6-23 Riverside w slope of San Jacinto Mts. San Jacinto Mts. 1005 Comment
  POM351674  Chaenactis carphoclinia var. carphoclinia N. C. Cooper 1949-4-8 3239 Riverside Mecca Pass east of Indio 457 Comment
  CDA7370  Chaenactis fremontii T. C. Fuller 1962-4-3 7989 Riverside Highway 99 to Indio, 0.2 mile north of turn-off to Twenty Nine Palms. 0 Comment
  SEINET1086113 Image available Chaenactis fremontii G. Helmkamp, M. Rosczyk 1985-4-4 223 Riverside West edge of themain canyon 1/4 mile below the BLM gate. 518 Comment
  UC894461  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UCD81587  Chaenactis fremontii Chuck Hughes 2009-3-27 70 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  UCR263485  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41452 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR90163  Chaenactis fremontii R. W. Scora 1966-4-1 3010 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  UCR155057  Chaenactis glabriuscula Jason L. Hlebakos 2005-5-30 815 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR174246  Chaenactis glabriuscula A. C. Sanders, T. B. Salvato 2006-6-2 33072 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UC124597  Chaenactis glabriuscula var. glabriuscula Geo. R. Hall 1908-1-1 8486 Riverside Riverside Comment
  UC63012  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3851 Riverside vicinity of Riverside 457 Comment
  POM351800  Chaenactis parishii E. C. Jaeger 1922-6-29 s.n. Riverside Lower Tahquitz Valley 2043 Comment
  JOTR37461  Chaenactis stevioides Hodges, Stephen, T. Green 2016-5-5 583 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  JEPS48830  Chamaesyce albomarginata Marjorie D. Clary 1932-5-26 942 -A Riverside Hexie Mtn, Pleasant Valley Comment
  JEPS51880  Chamaesyce albomarginata W. L. Jepson 1912-11-1 5621 Riverside Palo Verde Valley, Blythe 82 Comment
  HSC8015  Chamaesyce micromera C. L. Hitchcock, C. V. Muhlick 1964-3-17 23080 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  RSA433508A  Chamaesyce polycarpa E. A. McGregor 1964-1-30 s.n. Riverside Dry bed of Lake Elsinor. Comment
  RSA792552  Chamaesyce polycarpa Duncan S. Bell 2012-9-13 4179 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SFV7071  Chamaesyce polycarpa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 771 Riverside Big Wash, just north of Quien Sabe Point at east end of county. 116 Comment
  UC2026420  Chamaesyce polycarpa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10064 Riverside COLORADO-MOJAVE DESERT TRANSITION, LITTLE MARIA MOUNTAINS: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. Comment
  JOTR32616  Chamaesyce setiloba La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1021 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
  RSA793612  Chamaesyce setiloba Duncan S. Bell, Aaron Sedgwick 2012-9-13 4201 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
  UCSB42184  Chamaesyce setiloba Roos, John 1958-9-28 Riverside Pinyon Flats, Santa Rosa Mtns. 1219 Comment
  POM6793  Cheilanthes clevelandii Anonymous 1886-5-31 s.n. Riverside Banning Comment
  UC1746476  Cheilanthes clevelandii A. C. Sanders with Mitch Provance and E. J. Lawlor 2000-1-23 23312 Riverside summit of Black Mt. (Lake Skinner area); Lake Skinner area 915 Comment
  POM11987  Cheilanthes covillei E. C. Jaeger 1922-8-20 1006 Riverside Long Valley to Palm Springs 2133 Comment
  RSA633876  Cheilanthes covillei R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38136 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1676 Comment
  UCR194819  Cheilanthes newberryi Scott D. White 2006-4-27 11312 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  POM160095  Cheilanthes parryi E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 16 2017
  RSA336041  Cheilanthes parryi R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52022 Riverside Chino Canyon Comment
  CAS-BOT-BC70376  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  RSA0120484  Chenopodium Duncan S. Bell, Thomas Stoughton 2016-3-15 s.n. Riverside Orocopia Mountains; southwest section of the range; along the Coachella Canal, near its junction with Dos Palmas Springs Road. 23 Comment
  RSA666514  Chenopodium album A. C. Sanders, Mitch Provance 1999-9-26 23131 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR103221  Chenopodium berlandieri Scott D. White 1994-10-17 2464 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR113757  Chenopodium berlandieri var. zschackei Mitch Provance 2000-7-30 2174 B Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  CLARK-A1656-768  Chenopodium murale Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  UCR22144  Chenopodium pumilio Steve Boyd 1980-9-22 355 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  POM14860  Chenopodium rubrum H. L. Bauer 1922-11-14 s.n. Riverside San Jacinto River Bed, near Lake Elsinore. Comment
  CAS-BOT-BC231787  Chilopsis linearis H. E. McMinn 1925-7-1 1479 Riverside Palm Canon [Canyon] Comment
  SEINET10457922  Chilopsis linearis Rose 1935-12-22 Rose 35682 Riverside Colorado Desert. Palm Canyon Wash. Desert. 183 Comment
  UCD121647  Chilopsis linearis subsp. arcuata Richard Bates 1949-4-26 s.n. Riverside Between Cathedral City and Palm Springs. Comment
  SBBG92381  Chloracantha spinosa G. K. Helmkamp 1989-9-16 s.n. Riverside ca. 0.5 mi S of Interstate 8, W of Blythe at Seeley Rd and St Hwy 78 75 Comment
  SDSU13012  Chloris virgata Michael G. Simpson 1999-10-27 2053 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  UC1131367  Chloris virgata H. S. Yates 1937-6-28 6740 Riverside near Indio; Thermal Quad. Comment
  UCR72222  Chorizanthe brevicornu Theo Glenn 1991-5-30 91- 119 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  RSA0056357  Chorizanthe brevicornu James R. Shevock 1971-5-8 1028 Riverside Near South entrance, Joshua Tree National Monument. 304 Comment
  CAS-BOT-BC191706  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert. 5 mi E of Mecca, on Blythe Road 30 Comment
  RSA392615  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-1 1847 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  RSA5163  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 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
  UCR263483  Chorizanthe coriacea A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41447 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR92607  Chorizanthe corrugata George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  CLARK-A1528-728  Chorizanthe fimbriata Robert Eaton 1968-5-13 680513-7 Riverside Sandia Canyon Comment
  POM12961  Chorizanthe fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 miles south of Murrieta. Comment
  CAS-BOT-BC191255  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside Bachelor Mtn.: Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  CAS-BOT-BC191346  Chorizanthe leptotheca Edmund C. Jaeger 1932-5-12 s.n. Riverside Sage, S of Hemet 762 Comment
  VVC1505  Chorizanthe leptotheca A. C. Sanders, PJ MacKay, Tim Thomas, O Clarke 1997-5-4 20679 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  UC55752  Chorizanthe parryi var. parryi H. M. Hall May, 1901 Riverside West Riverside Comment
  UCR104614  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-25 2359 Riverside Santa Ana Mtns, Elsinore Mtns., c. 730 m SW of Grand Ave. and 305 m SW of Akley Street. 1.7 km NE of Forest Service Road 6S07 Comment
  UCR14326  Chorizanthe polygonoides var. longispina O. F. Clarke, Paul Romero 1972-4-19 s.n. Riverside Gavilan Hills, Harford Springs, 25 miles southeast of Riverside 640 Comment
  UCR237874  Chorizanthe polygonoides var. longispina Mark A. Elvin 2003-3-26 2365 B Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  RSA586721  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-17 0444 A Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area; along the Dripping Springs Trail. 671 Comment
  UCR209584  Chorizanthe xanti subsp. leucotheca Robert J. Steers, Matt Willis, Jodi Ross 2009-6-3 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, between Pipeline Rd. and San Gorgonio River, south of I-10 and 0.46 mi. west of Agnes Ave. crossing of Blanche Ave. 552 Comment
  CAS-BOT-BC248057  Chorizanthe xanti var. leucotheca E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Temescal Canyon, between Corona and Elsinore 350 Comment
  CAS-BOT-BC36263  Chrysolepis sempervirens Louis C. Wheeler 1931-10-3 239 Riverside 1/2 mi. NE Tahquitz Peak, San Jacinto Mts. 2590 Comment
  RSA732300  Chrysothamnus nauseosus M. D. Schwartz 2000-5-20 24 -2 Riverside San Jacinto Mts, jct of Two Pines Rd. and Rt 243 1200 Comment
  UCR23785  Chrysothamnus nauseosus John C. Roos 1943-10-16 2738 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  JOTR30292  Chrysothamnus nauseosus subsp. mohavensis Andre, Jim, Tasha La Doux 2007-9-6 8703 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA93230  Chrysothamnus paniculatus F. W. Peirson 1939-11-26 12901 Riverside 29 Palms about 7 miles from Blvd Comment
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Apr 24 2013
  UC1546706  Chylismia brevipes subsp. brevipes Barry A. Prigge 1988-2-21 7837 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  SEINET13009282  Chylismia brevipes subsp. brevipes J. S. Horton 1973-3-19 698 Riverside 5 miles west of Desert Center. 366 Comment
  UC218268  Chylismia cardiophylla subsp. cardiophylla P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4785 Riverside vicinity of Corn Springs Colorado Desert, Chuckwalla Mountains 457 Comment
  SBBG61420  Chylismia walkeri subsp. tortilis M. N. Ackley -Mar-1928 762 Riverside between Indio and Palm Springs 60 Comment
  RSA643272  Cirsium occidentale var. californicum R. D. Goeden, D. W. Ricker 1979-5-8 s.n. Riverside San Jacinto Mtns.: Bautista Creek Canyon, Bautista Rd. at Horse Creek crossing. 853 Comment
  UCR178415  Cirsium vulgare John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA736701  Clarkia dudleyana Scott D. White 2004-4-26 10248 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  RSA73330  Clarkia epilobioides F. W. Peirson 1919-4-14 4457 Riverside Murray Canyon, Palm Springs Region. 457 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
  CAS-BOT-BC164738  Clarkia rhomboidea H. M. Hall 1901-6-1 2264 Riverside Northwest side, at Schain's Comment
  RSA282925  Claytonia parviflora subsp. tenuifolia C. W. Tilforth, B. Busenberg 1980-6-17 2018 Riverside Slopes ca. 1/2 mi. south of Toolbox Springs Campground along Thomas Mtn. Road, south of Lake Hemet, west of Hiway 74. 1982 Comment
  UC63869  Claytonia parviflora subsp. viridis H. M. Hall 536 Riverside vicinity Winchester 609 Comment
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Mar 20 2011
  RSA650085  Claytonia perfoliata Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UCR120156  Claytonia perfoliata Mitch Provance 1998-2-28 124 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  UCR214146  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37710 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  CHSC1440  Clematis pauciflora E. Thomas 1940-3-10 Riverside San Jacinto foothills. Comment
  POM48321  Clematis pauciflora E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  POM230623  Cleome isomeris I. W. Clokey 1935-4-17 6641 Riverside Cottonwood Springs. Comment
  RSA440813  Cleome isomeris T. S. Clare 1931-01 s.n. Riverside Colorado Desert. Comment
  JOTR30956  Coleogyne ramosissima La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1931 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA0117460  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1100 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  SD187478  Collinsia concolor Scott D. White, Angelia Carey 2004-4-16 10160 Riverside San Jacinto Mountain foothills;Indian Creek and adjacent slopes 548 Comment
  UC472798  Collinsia concolor Mary F. Spencer Jun 1921 1916 Riverside Idyllwild; San Jacinto Mtns 1584 Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 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
  UCR44154  Collinsia concolor A. C. Sanders, B. Pitzer 1986-4-30 6477 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  CAS-BOT-BC215976  Convolvulus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4059 Riverside Vail Lake area, summit of Big Oak Mtn. at E end 792 Comment
  RSA495464  Conyza coulteri Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2993 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  UC26344  Cordylanthus rigidus subsp. setiger Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC101308  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  CLARK-A1528-1783  Corethrogyne filaginifolia John C. Roos 1937-8-17 1217 Riverside Idyllwild Comment
  RSA33795  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  SFV3791  Corethrogyne filaginifolia A. M. Johnson 1932-8-18 4136 Riverside San Jacinto Mountains San Jacinto Mountains. Comment
  SD137864  Corethrogyne filaginifolia var. filaginifolia Darin L. Banks, Steve Boyd 1995-10-17 763 Riverside Agua Tibia Mountains; along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  RSA583372  Cotula australis Steve Boyd, Darin L. Banks 1995-4-5 8426 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
  RSA612818  Cotula australis D. L. Banks 1997-3-1 1351 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the Fiesta Grounds to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  SEINET3089226 Image available Crassula connata Margaret Ferro 1970-5-15 17 Riverside Empty lot on Watkins Dr. behind Canyon Crest student housing. Comment
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May 16 2016
  UCR117308  Crassula connata A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 742 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR171901  Crassula connata John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCD101825  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region; Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  CLARK-A1528-2611  Cressa truxillensis John C. Roos 1937-5-10 2074 Riverside Lake Elsinore Comment
  UCR116933  Cressa truxillensis A. C. Sanders, D. Malueg 2001-5-17 24362 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR139617  Cressa truxillensis A. C. Sanders 2004-7-1 28375 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  SBBG72294  Crossosoma bigelovii unknown 1895-1 Riverside Palm Springs Comment
  JOTR28932  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  UC868665  Croton californicus Milo S. Baker 1928-4-4 2873 Riverside Palm Springs-Banning hwy Snow River Comment
  POM87124  Croton californicus var. mohavensis Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA688911  Croton californicus var. mohavensis Scott D. White 2001-4-18 8352 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  JOTR35173  Crypsis schoenoides Harding, Mitzi, T. Herskovits 2011-9-14 161 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1301 Comment
  UCR234234  Cryptantha A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. 314 Comment
  UCR281493  Cryptantha Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 92 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  JOTR35370  Cryptantha angustifolia Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 164 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  POM3858  Cryptantha angustifolia H. M. Hall 1905-4-27 5922 Riverside Bottom land near Colorado river. 76 Comment
  UCR126435  Cryptantha angustifolia T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 50 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR20836  Cryptantha angustifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1306 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
  UCR269876  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2016-3-18 42362 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  POM368280  Cryptantha barbigera Christopher Davidson 1979-4-4 7713 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  POM368288  Cryptantha barbigera Robert Gustafson 1983-3-27 2487 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  POM6504  Cryptantha barbigera P. A. Munz, L. T. Street, G. Williams 1919-3-28 2381 Riverside Palm Canyon 183 Comment
  JOTR29608  Cryptantha barbigera var. fergusoniae Andre, Jim 2006-4-26 6745 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA0031380  Cryptantha clevelandii E. W. Lathrop 1966-5-8 6413 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR182317  Cryptantha corollata Mitch Provance 2003-4-5 6618 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  JEPS67652  Cryptantha intermedia W. L. Jepson 1935-4-21 17159 Riverside Aguanga, near branch road to Pines Aguanga 603 Comment
  POM12213  Cryptantha intermedia Mary F. Spencer 1921-6-2 1865 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  RSA779066  Cryptantha intermedia C. P. Cowan 1978-4-25 1277 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  SD187374  Cryptantha intermedia Scott D. White 2004-5-7 10325 Riverside Indian Creek and adjacent foothills. 548 Comment
  UCR16167  Cryptantha intermedia Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  UCR87614  Cryptantha intermedia A. C. Sanders 1994-5-30 14593 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SDSU20037  Cryptantha intermedia var. intermedia Michael G. Simpson 2012-4-27 3686 Riverside Skunk Hollow Vernal Pool Preserve, slight slope ca. 300 feet south of southern end of vernal pool. 419 Comment
  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
  POM72168  Cryptantha micrantha Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SFV20143  Cryptantha micrantha J. N. Hogue, J. M. Wrublik 2000-5-30 153 .3 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  UC100866  Cryptantha micrantha H. M. Hall 1905-4-28 5938 Riverside McCoy Wash Colorado Desert Comment
  UC489041  Cryptantha micrantha C. V. Meyer 1927-6-1 160 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  UCR108854  Cryptantha microstachys Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR77591  Cryptantha microstachys Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6134 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  SEINET3084442 Image available Cryptantha muricata Andrew C. Sanders 1986-6-1 6537 Riverside San Jacinto Mountains.; trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista Road 1707 Comment
  RSA0042172  Cryptantha pterocarya var. pterocarya Duncan S. Bell, Evan Meyer 2014-4-2 6514 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  CLARK-A1045-299  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  UCR25962  Cryptantha utahensis John C. Roos 1948-5-1 3816 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater, N slope on a mountainside 549 Comment
  RSA690942  Cucurbita Scott D. White, Michael Honer 2003-5-27 9398 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  RSA101225  Cuscuta californica David B. Dunn 1947-7-12 2971 Riverside Pushawalla Canyon, Indio Hills. About 1/4 mile above the palms Comment
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May 24 2012
  UCR21937  Cuscuta californica var. californica Steve Boyd 1980-5-11 220 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
  UCR99404  Cuscuta californica var. papillosa Scott D. White 1996-8-15 4467 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR92718  Cuscuta pentagona A. C. Sanders, S. Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR266308  Cuscuta salina D. E. Bramlet 2009-5-27 4389 Riverside Perris-Aguanga Basin Region, upper Salt Creek, west of Hemet-Ryan Airport, c. 450 m west of Warren Rd. & 990 m south of Florida Ave., 490 m east of the San Diego canal 456 Comment
  RSA70999  Cuscuta umbellata F. W. Peirson 1932-11-26 9659 Riverside Thousand Palms Comment
  POM294993  Cylindropuntia echinocarpa David Griffiths 1905-7-21 8010 Riverside Whitewater. Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  RSA0029198  Cynanchum utahense John F. Emmel 1997-10-20 1532 Riverside Joshua Tree National Park: Pinto Wells Road, 0.5 road mi north of park boundary. 302 Comment
  SEINET3926479  Cynodon dactylon Sears 1977-10-12 S 568 Riverside Corn Springs. Desert Palm Oasis.; 0 512 Comment
  RSA522318  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  UCR119436  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23097 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR77750  Cyperus odoratus Steve Boyd 1991-7-13 6409 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  SEINET13203147 Image available Cyperus squarrosus T. B. Salvato, Melissa Clemons 2005-1 1420 Riverside Peninsular Range: Gavilan Hills, c. 0.75 mile south-southeast of Stelle Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore (Lake Elsinore 7.5' Q.) 579 Comment
  RSA482015  Cystopteris fragilis Richard Noyes, L. Arnseth 1988-9-10 726 Riverside San Jacinto Mountains. Northeast section of Little Tahquitz Valley, 2 air miles northeast of Tahquitz Peak. 2378 Comment
  RSA404178  Dalea mollissima Anstruther Davidson 1893-1 s.n Riverside Palm Springs Comment
  SEINET10452146  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2062 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR20404  Dalea mollissima Tema S. Clare 1930-4-13 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms 91 Comment
  RSA0027466  Dasyochloa pulchella Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 59 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA592686  Dasyochloa pulchella Scott D. White, Duayne Haselfeld 1996-7-2 4270 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
  RSA91542  Dasyochloa pulchella F. W. Peirson 1928-3-10 7711 Riverside Small side canyon in which Hidden Spring is located, northeast of Mecca Comment
  RSA450078  Datura discolor J. C. Roos 1965-11-6 s.n. Riverside Colorado Desert, 26 miles west of Blythe. Comment
  SEINET5765990 Image available Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Riverside: residence of O. F. Clarke, 1012 Spruce St.; cultivated plants and weeds on 3 1/2 acres of former orange orchard. 1000 Comment
  RSA504981  Datura wrightii D. Charlton 1988-2-25 1163 Riverside Box Canyon Wash between the Mecca Hills and Orocopia Mountains, 10 miles S of I-10 and N of Mecca and Salton Sea 305 Comment
  RSA792832  Datura wrightii Justin M. Wood, Dustin Ray 2011-4-28 3846 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
  RSA500221  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3522 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC293819  Deinandra fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside 360 Comment
  OBI5733  Deinandra fasciculata C. M. Wilder 2004-6-4 s.n. Riverside Jurupa Hills near Riverside, Wilder's Cyn Comment
  UC1069514  Deinandra fasciculata A. Lewis 1934-5-1 446 Riverside Head Wild Horse Canyon; Elsinore Quadrangle Comment
  CAS-BOT-BC294120  Deinandra kelloggii Virginia Moran 2003-5-22 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  SD129598  Deinandra kelloggii Ed LaRue 1989-6-11 Riverside West side of Lakeview Mountains, ca. 1 mile southeast of Nuevo. 640 Comment
  UCD96240  Delphinium parishii H. Lewis; C. Epling 1941-5-4 s.n. Riverside 5 miles S. of White Tank on the road to Pinto Basin, Joshua Tree Nat. Mon. Comment
  RSA525676  Delphinium parryi Steve Boyd 1990-5-3 4548 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA660908  Delphinium parryi Mitch Provance 1998-5-24 537 Riverside Central ''Rattlesnake Mt.'', 0.5km NE of peak 1739. 457 Comment
  RSA586484B  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 341 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
  RSA784520  Delphinium parryi subsp. parryi J. D. Olmsted 1962-6-23 5238 Riverside Just south of meadow gate along road from conservation-detention school east of Oak Glen into Banning Water Canyon. 1341 Comment
  UCR97025  Delphinium parryi subsp. parryi Scott D. White 1997-2-28 4711 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  RSA192239  Deschampsia danthonioides var. gracilis E. W. Lathrop 1966-5-1 6246 Riverside 3 miles W of Murrieta Comment
  UCD62783  Deschampsia danthonioides var. gracilis Alan A. Beetle 1946-6-10 4404 Riverside San Jacinto Mts., Camp Keene Meadow. Comment
  UCR21969  Deschampsia danthonioides var. gracilis Steve Boyd 1980-5-13 260 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR85163  Descurainia pinnata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16082 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  POM198000  Descurainia pinnata subsp. halictorum Joseph A. Ewan 1932-4-8 7031 Riverside Seven Palms near Garnet Comment
  RSA0126637  Descurainia pinnata subsp. intermedia Duncan S. Bell 2016-3-4 8800 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA770850  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4938 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCR225590  Dichelostemma capitatum A. C. Sanders, T. B. Salvato 2011-3-29 38882 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  POM305799  Dichelostemma capitatum subsp. capitatum Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1060 Riverside Corona-Elsinore. Comment
  POM307774  Dichelostemma capitatum subsp. capitatum Henry J. Ramsey, Henry J. Ramsey 1938-3-26 2557 Riverside Corona-Elsinore Road. Comment
  JOTR32331  Dichelostemma capitatum subsp. pauciflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2453 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  POM15075  Dicoria canescens Mary F. Spencer 1920-4-20 1931 Riverside Palm Springs. 122 Comment
  SD120075  Dicoria canescens Louis B. Ziegler 1976-1-27 537 b Riverside Coachella Valley Comment
  UCR266626  Dicoria canescens John F. Green 2015-11-20 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, SW edge of Desert Hot Springs, south of Pierson Blvd., east of intersection of Little Morongo Rd. & Thomas Ave. 313 Comment
  SEINET7883468 Image available Dicoria canescens Lewis S. Rose 1936-1 36820 Riverside Palm Springs 139 Comment
  UCR150041  Digitaria sanguinalis Scott D. White, Brian Leatherman 2004-10-7 10768 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  UCR274543  Distichlis spicata Mitch Provance, Ken Halama 2003-6-15 17059 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA336037  Ditaxis lanceolata R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52034 Riverside Chino Canyon. Comment
  RSA682077  Ditaxis lanceolata Scott D. White, Michael Honer 2003-4-30 9133 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCD142304  Ditaxis lanceolata V. W. Steinmann; P. I. Moscosa, T. S. Ross 1998-4-14 1366 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 600 Comment
  RSA0104609  Ditaxis neomexicana Duncan S. Bell, Evan Meyer 2014-10-29 7677 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA778414  Ditaxis neomexicana Stephanie Rockwood, Christi Gabriel 2011-10-4 053 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  RSA793974  Ditaxis serrata var. californica Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4351 Riverside Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam. 97 Comment
  CDA24811  Dithyrea californica M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  UCD77605  Dithyrea californica Robert E. Preston 1997-11-11 1065 Riverside East edge of Palo Verde Mesa 99 Comment
  UCR166005  Dithyrea californica Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  CDA36024  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont; San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10. Comment
  SBBG62189  Dodecahema leptoceras unknown -May-1901 Riverside Elsinore Comment
  SEINET10871645  Dodecahema leptoceras James L. Reveal 1988-1 Riverside Comment
  POM19640  Dodecatheon alpinum subsp. majus Mary F. Spencer 1923-7-16 s.n. Riverside Round Valley. 2744 Comment
  RSA263692  Downingia cuspidata E. W. Lathrop 1977-4-24 7513 Riverside Mesa de Burro, 3 miles west of Murrieta. Santa Rosa Plateau. 610 Comment
  UC219245  Downingia cuspidata P. A. Munz 1922-4-29 5093 Riverside 0.5 mi s Lake Elsinore 381 Comment
  UC168143  Draba corrugata Dr. A. Davidson Riverside summit Mt. San Jacinto Comment
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Jul 5 2012
  UCR97294  Draba cuneifolia Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4120 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  CAS-BOT-BC41673  Draba cuneifolia var. integrifolia Peter H. Raven 1958-1-24 11448 Riverside Fargo Canyon. Comment
  RSA588661  Dudleya pulverulenta subsp. pulverulenta D. L. Banks, S. D. Boyd 1995-10-17 0818 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  CLARK-A1528-1172  Dudleya saxosa Paul M. Estes 1962-5-4 134 Riverside 1219 Comment
  CAS-BOT-BC109648  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 688 Riverside San Jacinto Mountains, 4.0 miles west of Mountain Center on Highway 74. 1219 Comment
  SD48455  Dudleya saxosa subsp. aloides L. W. Lenz 1957-6-7 22623 Riverside Ca. 15 miles south of Hemet, along Highway 79. Comment
  JOTR33717  Echinocactus polycephalus var. polycephalus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1210 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 2 mi northeast of Cottonwood Visitor Center 984 Comment
  JOTR34062  Echinocereus engelmannii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2960 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  SEINET7073433  Echinocereus engelmannii A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCD61060  Echinochloa muricata var. microstachya H. S. Yates 1937-6-27 6707 Riverside San Jacinto, near Relief Hot Springs. 457 Comment
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Mar 13 2011
  POM11717  Elatine californica P. A. Munz, I. M. Johnston 1922-5-20 5460 Riverside Kenworthy, San Jacinto Mts 1418 Comment
  UC1531137  Elatine californica Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51987 Riverside Mesa del Colorado Santa Rosa Plateau Comment
  UC68610  Eleocharis geniculata H. M. Hall 1905-5-4 5984 Riverside Dos Palmas Colorado Desert 19 Comment
  UCR222300  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55212 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UC1950030  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55212 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  SDSU12981  Eleocharis montevidensis Michael G. Simpson with Claudia A. Luke 1999-10-27 2019 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM181843  Eleocharis parishii H. M. Hall 1901-06 2013 Riverside East base of San Jacinto Mountains. Comment
  CDA19961  Eleusine indica J. Chandler 2002-9-4 PDR P 168849 Riverside Southwestern California; Growing around faucet used to wash Road Dept vehicles on Washington St, Riverside. 0 Comment
  SD247285  Elymus condensatus T. B> Salvato, Matt MallA^ 2014-5-29 8018 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Road and 4.3 southeast of Canyon Lake (Romoland 7.5'Q) 534 Comment
  RSA559355  Elymus elymoides Steve Boyd, Timothy S. Ross 1992-5-15 7387 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at 'Onion Hill', a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
  JOTR31140  Elymus elymoides subsp. elymoides La Doux, Tasha 2009-6-3 1851 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UCR213879  Elymus hispidus Scott D. White, Justin M. Wood 2008-6-16 12124 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR207469  Elymus repens O. F. Clarke 2002-12-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR193529  Elymus stebbinsii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35560 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  POM250358  Emmenanthe penduliflora I. W. Clokey 1935-4-8 6846 Riverside Gavilan Mesa. 600 Comment
  UC700958  Emmenanthe penduliflora Aven and Ruth Nelson 1939-3-29 3321 Riverside Hidden Springs Comment
  UCR117103  Encelia actoni A. C. Sanders, T. B. Salvato 2001-5-16 24307 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR241814  Encelia californica A. C. Sanders, Timothy W. Chumley 2013-4-2 40752 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  UCR274545  Encelia californica Mitch Provance, Ken Halama 2003-6-15 17061 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  CAS-BOT-BC131350  Encelia farinosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis Comment
  CLARK-A1528-1809  Encelia farinosa John C. Roos 1952-4-9 5509 Riverside Riverside 335 Comment
  JOTR34377  Encelia farinosa Andre, Jim 2012-4-16 20897 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA796096  Encelia farinosa Duncan S. Bell 2009-4-20 306 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SD43544  Encelia farinosa P. C. Everett 1945-6-7 11507 Riverside Santa Ana Mountains, Indian Canyon, 0.5 miles above U. S. Forest Service gate on Indian Canyon Truck Trail. 455 Comment
  UC1118072  Encelia farinosa A. Lewis 1933-1-28 143 Riverside San Jacinto Quadrangle, Reservoire Butte 579 Comment
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Oct 30 2011
  UCD20084  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -214 Riverside 4.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR138725  Encelia farinosa Julie A. Greene 1993-4-10 1129 Riverside San Jacinto Wildlife Area 476 Comment
  POM4935  Encelia farinosa var. farinosa L. T. Street, M. Durant 1918-5-12 s.n. Riverside Box Springs. Comment
  SD224839  Encelia farinosa var. phenicodonta G. K. Helmkamp 1998-4-4 3134 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd) 456 Comment
  CAS-BOT-BC131422  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash 91 Comment
  CAS-BOT-BC489624  Enchylaena tomentosa A. C. Sanders; T. B. Salvato 2015-7-22 41747 Riverside Peninsular Range: Riverside; former O.F. Clarke residence, 266 Frost Ct; E edge of UCR campus 361 Comment
  SEINET909546  Ephedra aspera Andrew C. Sanders, P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-1 15986 Riverside Colorado Desert: Orocopia Mtns., Maniobra Valley, 1.6-3 mi. S of frontage rd (old 60) along I-10, S to edge of BLM wilderness. 555 Comment
  CAS-BOT-BC81535  Ephedra californica Lewis S. Rose 1940-3-13 40113 Riverside [Whitewater] White Water 60 Comment
  LA6774  Ephedra californica Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  RSA383876  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  SBBG21950  Ephedra californica R. F. Thorne 1964-5-3 33851 Riverside near hwy ca. 4 mi S of Morongo Valley, ca. 3 mi S of San Bernardino Co line Comment
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Apr 24 2011
  UC667372  Ephedra californica Annie M. Alexander and Louise Kellogg 1941-5-15 2183 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains (in rock outcrop) 914 Comment
  SEINET5869097 Image available Ephedra californica C. E. Jones, N. Rojas 2001-1 JSR 2 Riverside Whitewater Canyon Rd, 0.7 mi N of jct with Whitewater Cut-off from Interstate Hwy 10, E side of rd, in wash below small substation. Comment
  UC813704  Ephedra nevadensis Ivan Johnston Riverside Palm Canyon Colorado Desert, Palm Canyon 304 Comment
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Jul 4 2015
  UCR193553  Epilobium A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35660 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  SD193323  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2005-8-31 31579 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek; 0.5 mile north of Tenaja Rd. 671 Comment
  CAS-BOT-BC171741  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  POM123232  Epilobium canum subsp. latifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA797242  Epilobium canum subsp. latifolium Robert F. Thorne, Walter Wisura 1977-9-17 50771 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA799074  Epilobium canum subsp. latifolium Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6870 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  RSA692252  Epilobium ciliatum subsp. ciliatum Scott D. White 2003-10-9 9819 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  UCR35215  Epilobium densiflorum L. B. Ziegler 1967-7-17 189 Riverside San Jacinto Mtns., Hemet Valley, near Herkey Creek Canyon. 1585 Comment
  UCR90616  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA0121456  Epipactis gigantea Duncan S. Bell, LeRoy Gross 2016-3-30 9136 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SBBG34550  Eragrostis mexicana T. L. Secrest 1950-3-11 Riverside near Indio Comment
  RSA129660  Eragrostis mexicana subsp. virescens H. S. Yates 1937-6-28 6744 Riverside Near Indio. 30 Comment
  RSA653239  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR2388  Eragrostis pectinacea var. pectinacea F. M. Reed 1904-8-10 85 Riverside Riverside Comment
  UCSB38377  Eragrostis pilosa Frederick Morris Reed 1903-11-30 662 Riverside collected in Riverside Comment
  JEPS68612  Eremalche rotundifolia W. L. Jepson 1927-4-12 11680 Riverside Painted Canyon Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  RSA0042158  Eremalche rotundifolia Duncan S. Bell, Evan Meyer 2014-4-2 6503 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA432695  Eremalche rotundifolia Anstruther Davidson 1903-5-3 900 Riverside Thermal. Comment
  UC634840  Eremalche rotundifolia H. L. Mason 1928-3-10 4201 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  UC729749  Eremalche rotundifolia Carl B. Wolf 1932-4-29 3124 Riverside 4 mi. e. of Rice on rd. to Parker; e. Colorado Desert 213 Comment
  RSA544283  Eremocarpus setiger Steve Boyd, T. S. Ross 1991-6-14 6364 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
  RSA544320  Eremocarpus setiger Steve Boyd 1991-9-8 6428 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  CAS-BOT-BC160051  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  UCR245261  Eremothera boothii subsp. condensata Jim Andre 2012-3-19 21308 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UC70079  Eremothera refracta E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  JEPS69011  Eriastrum densifolium Carl V. Meyer 1928-8-1 622 Riverside Saunder's Meadow San Jacinto Mts. Comment
  UC1787318  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mountains: Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 682 Comment
  UC1329878  Eriastrum eremicum subsp. eremicum James E. Cole 1941-5-21 770 Riverside Ruby Lee Mill Site Joshua Tree National Monument 914 Comment
  UC159239  Eriastrum eremicum subsp. eremicum E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  UCR233934  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 8.6 air miles west of Rice and 6.8 air mi. NW of Priests Well 286 Comment
  RSA0120680  Eriastrum harwoodii D. Silverman, F. T. Sproul, Tammy Beyerl, Erin Bergman 2010-3-29 7875 Riverside East end of Chuckwalla Valley, west of Blythe, 1.3 miles south of gas line frontage, 1.9 km south of I-10 and 8.5 km west of Nicholl's Warm Spring. 142 Comment
  SEINET10758419  Ericameria cuneata David B. Dunn 1947-10-9 Dunn 3530 Riverside Joshua Tree National Monument at camp ground area by Hidden Valley. Comment
  POM295632  Ericameria cuneata var. spathulata Lyman Benson 1952-12-29 15088 Riverside White Tanks, Joshua Tree National Monument, 915 Comment
  CAS-BOT-BC298872  Ericameria nauseosa var. bernardina Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts 2438 Comment
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  UCR151123  Ericameria palmeri var. pachylepis Scott D. White 1998-10-9 7174 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  RSA249473  Ericameria parishii John F. Emmel 1972-8-20 409 Riverside Firebreak on Chalk Hill, just S of Idyllwild, San Jacinto Mts. 1616 Comment
  CAS-BOT-BC131641  Ericameria parishii var. parishii Edmund C. Jaeger 1922-8-20 1004 Riverside Long Valley - Palm Springs trail, San Jacinto Mts. 1524 Comment
  SD144048  Ericameria parishii var. parishii Scott D. White 1996-12-26 4645 Riverside San Jacinto Mts., Bautista Canyon: along Bautista Cyn. Rd., ca. 2 0r 3 air mi NW of jtn. with Trip Flats Rd. 1029 Comment
  CDA27739  Ericameria pinifolia Mike Lahti 2008-11-4 PDR# 1509245 Riverside Hemet, 0.5 miles east of Sage Rd. along Red Mountain Rd. 0 Comment
  UCR202017  Ericameria pinifolia Mike Misenhelter 1998-6-23 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
  UCR91622  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 788 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  JOTR36388  Ericameria teretifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3341 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  UCSB9492  Erigeron canadensis Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chico Institute 213 Comment
  RSA692224  Erigeron divergens Scott D. White 2003-10-9 9825 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  POM12780  Erigeron foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  RSA655046  Erigeron foliosus Scott D. White 1999-6-6 7439 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA709453  Erigeron foliosus T. B. Salvato, John Green 2004-5-27 634 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
  UCR251864  Erigeron foliosus M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  CHSC318  Erigeron foliosus var. foliosus E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  JOTR33780  Erigeron foliosus var. foliosus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2931 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  UC87543  Erigeron foliosus var. foliosus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountains 1828 Comment
  UCR59696  Erigeron foliosus var. foliosus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3535 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  HSC78581  Eriochloa aristata J. C. Roos 1965-9-26 Riverside Indio Comment
  LA103322  Eriodictyon crassifolium Jonathan Sauer; R. Minnich 1977-4-16 5962 Riverside San Jacinto Mountains, above Banning Comment
  LA205568  Eriodictyon crassifolium A. H. Lange; 1951-5-26 sn Riverside Palms to Pines Highway 152 Comment
  POM3890  Eriodictyon crassifolium I. M. Johnston 1917-4-4 1072 Riverside Palm Canyon 229 Comment
  POM49855  Eriodictyon crassifolium P. A. Munz, I. M. Johnston 1924-7-29 8873 Riverside Roadside in chaparral near poppet Flat Comment
  RSA766538  Eriodictyon crassifolium Scott D. White, Angelia Carey 2004-4-5 10007 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET13710359  Eriodictyon crassifolium J. Adams, J. Adams (Botany) 1965-1 193 Riverside 2 Mi. Above Banning on Rd Toward Idyllwild 3500 Ft 1067 Comment
  UC1979591  Eriodictyon crassifolium var. crassifolium D. L Banks, Steve Boyd 1995-3-30 0127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. Comment
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Nov 18 2015
  SEINET3156064  Eriodictyon tomentosum S. B. Parish 1907-4-16 6135 Riverside W border of the Colorado Desert 375 Comment
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Feb 18 2015
  SEINET5791616 Image available Eriodictyon trichocalyx A. E. Grable 1976-7-4 6453 Riverside Santa Rosa Mountains Road near Mountain Home Spring, California. T7S S28 NE 1/4 SW 1/4. Comment
  UCR133364  Eriodictyon trichocalyx Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 298 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UC219595  Eriodictyon trichocalyx var. lanatum P. A. Munz 1922-6-25 5816 Riverside Santa Rosa; Santa Rosa Mts., Santa Rosa 1524 Comment
  UCR193406  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35621 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  POM184032  Eriogonum apiculatum P. A. Munz 1932-10-16 12846 Riverside Santa Rosa Mountains: road from Indio to Vandeventer Flat. 1159 Comment
  UC412786  Eriogonum apiculatum F. M. Reed 1908-7-14 2487 Riverside summit of Tahquitz pass San Jacinto Mts. 2438 Comment
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May 1 2011
  UC729819  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside near Idyllwild (Point View); San Jacinto Mts. 1645 Comment
  UCR158282  Eriogonum brachyanthum Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  UCR94612  Eriogonum cithariforme var. agninum G. R. Ballmer, Kay Stockwell 1995-6-24 s.n. Riverside San Jacinto Mountains, along trail from Morris Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
  JEPS56685  Eriogonum davidsonii Carl V. Meyer 1928-7-30 577 Riverside Saunders Meadow San Jacinto Mt. Comment
  JOTR16810  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  RSA393168  Eriogonum davidsonii P. A. Munz 1922-9-6 s.n. Riverside North of Dark Canyon. 1524 Comment
  RSA639700  Eriogonum davidsonii Scott D. White, Dave Flietner 1998-12-2 7194 Riverside Temescal Canyon - Lake Elsinore area. 365 Comment
  CAS-BOT-BC242800  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road, San Jacinto Mts. 1371 Comment
  UCR281928  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-9-21 43354 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UC68582  Eriogonum deflexum var. deflexum H. M. Hall 1905-4-1 5953 Riverside Paloverde Valley Colorado Desert, Paloverde Valley 76 Comment
  UCD99943  Eriogonum deflexum var. deflexum Geoffrey Levin 1976-10-17 1173 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills mountain range. 91 Comment
  RSA443545  Eriogonum elongatum J. C. Roos 1965-9-14 s.n. Riverside Hills south of Beaumont. Comment
  SDSU6576  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 278 Riverside Along road, South side of Lake Matthews. Comment
  UCR178321  Eriogonum fasciculatum subsp. polifolium T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 619 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  JOTR32460  Eriogonum fasciculatum var. flavoviride La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2605 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  CAS-BOT-BC249956  Eriogonum fasciculatum var. foliolosum P. A. Munz; R. D. Harwood 1920-2-28 3257 Riverside 3 mi west of Corona 335 Comment
  RSA715451  Eriogonum fasciculatum var. foliolosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32668 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  UC1393130  Eriogonum fasciculatum var. foliolosum John L. Strother 1970-7-7 993 Riverside at Alberhill Alberhill Comment
  UCR93086  Eriogonum fasciculatum var. foliolosum A. C. Sanders, S. Ogg 1994-7-28 15190 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  POM230616  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 6592 Riverside Keen Camp P. O. 1360 Comment
  RSA393344  Eriogonum fasciculatum var. polifolium N. R. Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  RSA509530  Eriogonum fasciculatum var. polifolium Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  UC217980  Eriogonum heermannii var. argense E. C. Jaeger 1921-11-15 250 Riverside 2 mi e Keyes Ranch Comment
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Nov 6 2011
  RSA739338  Eriogonum inflatum Keith E. Hoffmaster 1933-4-13 307 Riverside Palm Springs. Comment
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Aug 27 2011
  UCR60830  Eriogonum inflatum Steve Boyd, Orlando Mistretta 1986-3-13 1475 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  POM122054  Eriogonum inflatum var. deflatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA65926  Eriogonum inflatum var. deflatum F. W. Peirson 1924-12-30 5412 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  JEPS56845  Eriogonum inflatum var. inflatum W. L. Jepson 1914-5-18 6017 Riverside stream bed near County Well (on grade from Pinyon Well to Indio) 304 Comment
  RSA78727  Eriogonum maculatum P. A. Munz 1952-4-15 17344 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  RSA783818  Eriogonum molestum var. davidsonii John Olmsted 1958-9-21 206 Riverside Dark Canyon just above its intersection with Banning Idyllwild road. Comment
  RSA701044  Eriogonum nidularium Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11289 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC217840  Eriogonum nudum var. pauciflorum P. A. Munz 5989 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
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Sep 8 2011
  CAS-BOT-BC266939  Eriogonum parishii James L. Reveal; Barbara J. Ertter 1976-6-30 4568 Riverside Along dirt road to Santa Rosa Mountain at Santa Rosa Camp, about 8.5 miles southeast of California Highway 74, Santa Rosa Mountains 2164 Comment
  JOTR16818  Eriogonum pusillum Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  JOTR30689  Eriogonum pusillum La Doux, Tasha, Jim Andre 2008-9-13 270 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  UCR5712  Eriogonum pusillum Frank C. Vasek 1960-3-17 600317- 04 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  RSA777761  Eriogonum reniforme Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1082 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA424914B  Eriogonum saxatile Louis C. Wheeler 1931-10-3 235 Riverside Sumit Fern Valley-Tahquitz Valley trail, San Jacinto Mountains. 2500 Comment
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Jul 9 2012
  CAS-BOT-BC263523  Eriogonum thomasii John H. Thomas 1957-3-30 6549 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  CAS-BOT-BC263525  Eriogonum thomasii P. C. Everett; E. K. Balls 1958-4-29 22960 Riverside U.S. Hwy. 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy. 99 121 Comment
  JOTR35092  Eriogonum thomasii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3543 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  PASA1496  Eriogonum thomasii 1926-2-21 Riverside Thousand Palms Comment
  RSA124109  Eriogonum thomasii Percy C. Everett, E. K. Balls 1958-4-29 22960 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  SD225074  Eriogonum thomasii G. K. Helmkamp 1998-4-4 3171 Riverside Colorado Desert: 7.1 mi N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  CAS-BOT-BC262877  Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1219 Comment
  CLARK-A1045-98  Eriogonum thurberi George K. Helmkamp 1977-6-7 Riverside Riverside at the ""falls"" [sand at west base of Mt. Rubidoux]; Riverside West 7.5'Q Comment
  RSA424933  Eriogonum thurberi T. W. Minthorn 1926-5-14 s.n. Riverside Near Banning. Comment
  SEINET9369605  Eriogonum trichopes Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  CAS-BOT-BC264924  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-3 181 Riverside Strawberry valley, San Jacinto Mts. 1584 Comment
  SD122865  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau, Gavilan Hills, Gavilan Creek 2000 Comment
  UCR13757  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1969-11-22 240 Riverside Peninsular Range; San Jacinto Mtns., south end Marion Ridge Road, Pine Cove, Idyllwild 1829 Comment
  LA207104  Eriogonum wrightii var. nodosum Carl Epling; October 1934 sn Riverside Palms to Pines Highway 152 Comment
  POM357953  Eriophyllum confertiflorum George R. Johnston 1930-6-13 s.n. Riverside Indio Canyon, Ravenna. 1067 Comment
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Nov 8 2011
  RSA770858  Eriophyllum confertiflorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4930 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
  UCR177115  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1107 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR60778  Eriophyllum multicaule Steve Boyd 1986-3-1 1365 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
  POM305633  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1937-3-2 866 Riverside Betw Desert Center and Indio Comment
  UCR37471  Erodium brachycarpum Steve Boyd 1981-4-6 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. summit 823 Comment
  JOTR33976  Erodium cicutarium La Doux, Tasha, M. Harding 2010-4-7 2864 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  SD255192  Erodium cicutarium Duncan S. Bell, Amanda Bell 2012-1-28 3067 Riverside East side of Arica Mountains; Rice Valley, ca. 6.0 air miles southeast of the ghost town of Rice. 202 Comment
  SD224984  Erodium moschatum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19874 Riverside Lake Skinner area: lower Rawson canyon, just NE of the lake along the road. 456 Comment
  RSA0108818  Erodium texanum Duncan S. Bell, Amanda Turek 2009-3-30 185 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA775970  Erodium texanum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 861 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE. 396 Comment
  RSA470845  Eryngium Benton 1923-05 3574 Riverside Palm Springs. Comment
  SBBG54326  Eryngium aristulatum var. parishii C. Davidson 1977-5-25 5653 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCSB2351  Erysimum capitatum var. capitatum Sager, Ginny 1960-5-14 Riverside San Jacinto Mtns. between Banning and Idyllwild 1219 Comment
  RSA0020237  Erythranthe breweri Duncan S. Bell, Valentin Arvizu 2010-5-10 979 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0022928  Eschscholzia androuxii Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54039 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  UCR78439  Eschscholzia caespitosa Scott D. White 1993-4-20 1200 Riverside Estelle Peak, Gavilan Hills 826 Comment
  UC855149  Eschscholzia californica I. W. Clokey 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  SEINET10476377  Eschscholzia glyptosperma David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2898 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  CDA24567  Eschscholzia minutiflora T. C. Fuller 1963-4-23 10276 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.9 miles northeast of Mecca. 0 Comment
  HSC79253  Eschscholzia minutiflora G. K. Helmkamp 1984-5-5 - 3 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA663887  Eschscholzia minutiflora C. R. Annable 1995-3-15 2282 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  RSA0022947  Eschscholzia minutiflora Mary F. Spencer 1920-3-24 248 Riverside Near Indio. Colorado Desert. 91 Comment
  RSA0125281  Eschscholzia papastillii Duncan S. Bell 2016-3-4 8786 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  CAS-BOT-BC419640  Eschscholzia parishii F. O. Ballou 1926-2-27 s.n. Riverside Mesa - Murray Canon [Canyon] Comment
  UC403443  Escobaria vivipara var. alversonii Munz and Keck 1922-4-13 5015 Riverside Anshutz Canyon Colorado Desert, Eagle Mts. Comment
  SBBG119971  Eucalyptus camaldulensis A. C. Sanders with O. F. Clarke 1991-6-10 11123 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR113559  Eucalyptus camaldulensis Mitch Provance 2000-9-1 2230 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  UCR89813  Eucalyptus camaldulensis Scott D. White 1994-1-27 1929 Riverside Murrieta 'California Oaks Detention Basin.' Intermittent 'blueline' stream west of Interstate Hwy 15 and south of Clinton Keith Road. Comment
  UCR113161  Eucalyptus rudis A. C. Sanders 1998-1-15 21649 Riverside Lake Skinner area, along old Rawson Rd. at N edge of Crown Valley, at crest of road where it drops into Diamond Valley 640 Comment
  UCR142929  Eucalyptus tereticornis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  POM160093  Eucrypta micrantha E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  POM184544  Euphorbia eriantha C. L. Hitchcock 1932-4-7 12203 Riverside Chuckwalla Mountains: Corn Springs. Comment
  RSA0043056  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-1 6485 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  RSA0124747  Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2016-3-9 8838 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCD142573  Euphorbia micromera Geoffrey Levin 1976-10-17 1172 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  UCR264235  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41842 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  UCR281920  Euphorbia micromera A. C. Sanders, Jim Malusa 2017-9-21 43351 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  RSA339680  Euphorbia misera R. F. Thorne 1980-5-25 54154 Riverside S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon. ca. 1/4-1/2 mile E of Whitewater Post office; S-facing end of rocky ridge above old rad, due N o hwy to Indio. Comment
  RSA701157  Euphorbia polycarpa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11259 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SEINET3409355  Euphorbia polycarpa G. Rink 2013-3-20 11898 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant 105 Comment
  UCR100877  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2696 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 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
  UCR223973  Euphorbia polycarpa A. C. Sanders 2011-3-23 38800 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  POM184158  Euphorbia polycarpa var. appendiculata M. French Gilman 1932-3-30 2 Riverside Palm Springs. Comment
  UCR120425  Euphorbia prostrata Mitch Provance 1998-7-23 912 D Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCD142491  Euphorbia spathulata Robert F. Thorne; Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60654 Riverside Santa Rosa Plateau; Mesa de Colorado. 624 Comment
  RSA588594  Euthamia occidentalis D. L. Banks, Steve Boyd 1995-10-17 0805 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E., Just W of the Metasedimentary hills. 524 Comment
  SD136895  Euthamia occidentalis Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7674 Riverside San Mateo Canyon Wilderness Area. Upper San Mateo Canyon from junction of Tenaja Road and Los Alamos up San Mateo Trail to Potrero Cienega 395 Comment
  CAS-BOT-BC334203  Eysenhardtia O. F. Clarke 2010-1-29 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  CAS-BOT-BC171038  Fagonia laevis A. C. Sanders; E. J. Lawlor 1992-4-4 12086 Riverside Within 1/2 mile of McCoy Spring, alluvial slopes below and to the south and canyon bottom above the spring - McCoy Mountains 243 Comment
  JEPS43394  Fagonia laevis Dr. L. M. Newlon 1922-4-4 456 Riverside Palm Canyon; San Jacinto Mts. Comment
  JOTR37717  Fagonia laevis Hodges, Stephen R., L. Ashfield 2016-1-20 648 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  RSA391199  Fagonia laevis Ora M. Clark 1929-3-17 1752 Riverside S. La Quinta, Cali. Comment
  RSA703813  Fagonia laevis LeRoy Gross 2005-3-3 1594 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCSB8693  Fagonia laevis Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  UCSB9887  Fagonia laevis Beeks, Richard 1952-4-4 Riverside 7 miles North of Mecca, in Box Canyon Comment
  JOTR31928  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2169 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  RSA792578  Fagonia pachyacantha Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 147 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
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Jan 3 2017
  POM286917  Ferocactus cylindraceus var. lecontei Lyman Benson, Robert Benson 1952-4-8 14856 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UCR31849  Festuca californica E. W. Lathrop 1966-5-26 6333 Riverside Santa Ana Mtns., Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  SEINET1004490  Festuca myuros T. B. Salvato, Kent Beaman 2005-1 831 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74 549 Comment
  RSA717499  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-10 11119 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  SD237518  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA393727  Filago californica E. S. Spalding 1913-03 14829 Riverside E. of Banning. Comment
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Nov 29 2011
  RSA586864  Filago californica D. L. Banks, Steve Boyd 1995-5-3 0283 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR98697  Filago californica 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
  UCR37677  Filago depressa George K. Helmkamp 1984-5-5 E- 2 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  UCR155830  Filago gallica John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA69882  Forestiera pubescens F. W. Peirson 1933-4-13 10647 Riverside Between Deep Canyon and Idyllwild, at Palm Canyon crossing 1387 Comment
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Oct 31 2011
  UCR121099  Forestiera pubescens A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CSUSB831  Fouquieria splendens Steve G. Nelson 1974-4-13 Riverside Highway 195, four miles southwest of junction with US Highway 10. Comment
  RSA653586  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23185 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  POM48347  Fraxinus dipetala P. A. Munz, I. M. Johnston 1924-7-29 8865 Riverside San Gorgonio Canyon, North of Banning 1067 Comment
  SBBG15860  Fraxinus dipetala P. Kamb 1949-4-30 1405 Riverside Banning-Idyllwild Rd below Barton Lookout 1127 Comment
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May 24 2012
  CAS-BOT-BC211022  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts. Penrod Canyon S.E. of Kenworthy Guard Station 1524 Comment
  UCR82764  Fraxinus velutina A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15778 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  RSA524461  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4064 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA560363  Fritillaria biflora Steve Boyd 1992-4-14 6818 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
  RSA0023060  Funastrum cynanchoides var. cynanchoides John F. Emmel 1995-4-21 1362 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  RSA0042855  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-3-20 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  CLARK-A1528-7883  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  RSA627512  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 Riverside Idyllwild area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. 1829 Comment
  UCR189590  Galium angustifolium subsp. jacinticum Andrea Salzman 2006-6-29 156 Riverside Peninsular Range, San Jacinto Mountain Range, Pine Cove off of Red Hill Road, 0.1 mi south of Alvin Meadow 1566 Comment
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Feb 19 2017
  UC1925782  Galium aparine Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1282 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  UCR92225  Galium aparine D. L. Banks, Steve Boyd 1995-3-16 0105 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail 610 Comment
  UC28215  Galium parishii H. M. Hall 1901-6 2424 Riverside ridges and peaks near Tahquitz; San Jacinto Mountains 2560 Comment
  JEPS52943  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4240 Riverside Poppet Flat San Jacinto Mts. (at Keyes Drive) 1097 Comment
  POM184501  Galium stellatum C. Leo Hitchcock 1932-4-7 12208 Riverside Corn Springs, Eastern Riverside. Comment
  JEPS89172  Galium stellatum var. eremicum Rimo Bacigalupi and L. Heckard, P. C. Hutchison 1962-3-23 8364 Riverside flat at base Black Hill (along State Hwy 74 1.5 mi above and s of Seven Level Hill and above Deep Canyon, 10.3 mi above and s of beginning of hwy 74 at Palm Desert) 883 Comment
  RSA735314  Galium stellatum var. eremicum Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11268 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA776012  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 616 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR177113  Garrya veatchii Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1106 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR160953  Gaura coccinea A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden 351 Comment
  RSA6015  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Summit of Devil s Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  UC20261  Gayophytum diffusum subsp. parviflorum H. M. Hall July, 1901 2347 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  CAS-BOT-BC303590  Geraea canescens Lewis S. Rose 1936-12-29 36833 Riverside La Quinta 0 Comment
  JOTR31920  Geraea canescens Harding, Mitzi, T. Herskovits 2011-4-10 s.n. Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; where foothills border Hwy 177; flat rocky bajada with large, deep drainages 278 Comment
  POM358679  Geraea canescens M. B. Dunkle 1935-4-17 4553 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA680917  Geraea canescens Scott D. White, Michael Honer 2003-5-14 9272 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SD227745  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside Coachella Valley. La Quinta / Palm Desert Area; Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  UC61547  Geraea canescens Miss Mary McKibben 1904-5-1 Riverside Mecca Comment
  UCR25798  Geranium carolinianum John C. Roos 1952-5-7 5620 Riverside Box Springs Mountains above Canyon Crest Heights 503 Comment
  UCR157881  Gilia A. C. Sanders 1995-4-10 16481 Riverside Peninsular Range, Gavilan Hills, 2360 ft. hill, 1.2 miles WSW of Gavilan Peak, east of Lake Mathews Dr. 683 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
  UCR241258  Gilia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1200 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA586845  Gilia angelensis D. L. Banks, S. D. Boyd 1995-5-3 0264 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA800742  Gilia angelensis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23968 Riverside Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipline route. 366 Comment
  SDSU18400  Gilia angelensis C. Matt Guilliams 2008-2-27 480 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 407 Comment
  UC880101  Gilia angelensis K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  UCR118405  Gilia angelensis A. C. Sanders 1994-5-15 14486 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UC310671  Gilia capitata subsp. abrotanifolia Philip A. Munz 1926-5-2 10425 Riverside about 5 mi nw Dripping Springs; nw of Dripping Springs Comment
  RSA86579  Gilia clivorum Verne Grant 1954-4-16 19593 Riverside On flood plain of Temecula Creek just S. of town of Temecula. 305 Comment
  UCR148443  Gilia latifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR91005  Gilia ochroleuca A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18069 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  CAS-BOT-BC407614  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05. 850 Comment
  RSA0017086  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-29 5098 Riverside Dripping Springs, near Temecula Creek 518 Comment
  RSA0017273  Gilia ochroleuca subsp. exilis R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55471 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA771351  Gilia sinuata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4823 -b 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
  UCR23211  Gilia sinuata J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  RSA775101  Gilia stellata Duncan S. Bell, Michael Hee 2011-3-18 2052 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA782184  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 183 Comment
  UC880019  Gilia stellata C. L. Hitchcock 1940-3-31 5880 a Riverside 1/2 mi below Cottonwood Spring; below Cottonwood Spring Comment
  UC880158  Gilia stellata I. W. Clokey 1935-4-17 6801 Riverside Cottonwood Springs Comment
  RSA562490  Gnaphalium californicum Steve Boyd, Tim Ross 1992-5-5 7246 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  UCR91453  Gnaphalium californicum Scott D. White 1995-3-30 2671 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
  UCR199722  Gnaphalium canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10671 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
  UCR207785  Gnaphalium canescens subsp. microcephalum O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0043036  Gnaphalium luteoalbum Duncan S. Bell, Evan Meyer 2014-4-3 6532 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  UCR27180  Gnaphalium luteoalbum A. C. Sanders, S. Hagopian 1981-5-20 2157 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  UCR55322  Gnaphalium luteoalbum L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  UCR91618  Gnaphalium luteoalbum D. L. Banks, Steve Boyd 1995-3-30 0123 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  CAS-BOT-BC307398  Gnaphalium palustre A. C. Sanders 1998-5-21 21868 Riverside Hemet, alkaline flats west of town along Stetson Ave. W of Warren Road 457 Comment
  UCR174347  Gnaphalium palustre A. C. Sanders 2006-5-19 32402 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
  UCR22034  Gnaphalium palustre Steve Boyd 1980-5-11 257 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
  UCR155309  Gnaphalium stramineum A. C. Sanders 2005-5-4 29854 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR98700  Gnaphalium stramineum 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
  UCR89724  Guillenia lasiophylla J. M. Stewart 1991-4-1 766 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, Slaughter Tree Wash, c. 5 mi. from Hwy 95 Comment
  POM46836  Gutierrezia californica Mary F. Spencer 1920-4-2 1474 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA597056  Gutierrezia californica D. L. Banks, Lauren Raz 1996-11-5 1161 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  UCR106912  Gutierrezia californica D. L. Banks, L. Raz 1996-11-5 1161 Riverside NW Palomar Mtns., Pechanga Indian Reservation, south of San Gabriel Church; west of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34 390 Comment
  RSA0120315  Gutierrezia microcephala Duncan S. Bell, Thomas Stoughton 2016-3-16 8956 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR138557  Haplopappus squarrosus subsp. grindelioides Steve Boyd, D. E. Bramlet 1988-10-8 2876 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UC1552123  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside e end Lake Skinner (lower s slopes of Bachelor Mountain); lower s slopes Bachelor Mountain, Lake Skinner Comment
  UCR281495  Harpagonella palmeri Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-4-5 417- 94 Riverside Temescal Valley, S side of De Palma Rd, about 0.5 mile WNW of Horsethief Canyon Rd. 400 Comment
  RSA0066625  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  OBI16329  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  POM319631  Helianthus annuus Patricia Wilder 1970-10-15 4765 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  SFV4472  Helianthus gracilentus A. M. Johnson 1934-8-18 4140 Riverside San Jacinto Mountains Along road on Banning side. Comment
  UC354463  Helianthus gracilentus Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch (Banning-Idylwild Rd.) 1127 Comment
  JOTR16631  Heliotropium curassavicum Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  SEINET7063228  Hemizonia fasciculata A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UCR93834  Hemizonia fasciculata G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  UCR112494  Hemizonia kelloggii A. C. Sanders 1998-5-21 21870 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR241794  Hemizonia paniculata A. C. Sanders, Dave King 2013-4-11 40790 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  CLARK-A1528-1922  Hemizonia paniculata subsp. paniculata John C. Roos 1965-6-30 Riverside Edgemont Comment
  UCR114639  Hemizonia pungens subsp. laevis Fred M. Roberts 1992-8-5 4846 Riverside Anza Valley, Cahuilla Indian Reservation, near northern edge 1170 Comment
  UCR68044  Hemizonia pungens subsp. pungens D. E. Bramlet 1990-7-20 2048 Riverside Perris Valley Storm Drain, 200 m east of the Escondido Freeway (Hwy I-125), and 350 m north of Ellis Ave 470 Comment
  UC69218  Hesperocallis undulata E. E. Schellenger Apr. 1905 Riverside Colorado Desert, Santa Maria Mountains Colorado Desert; , Santa Maria Mountains Comment
  UCR116068  Hesperocnide tenella O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  CAS-BOT-BC131793  Hesperoyucca whipplei Scott D. White 1996-4-14 3920 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  CAS-BOT-BC131795  Hesperoyucca whipplei C. B. Wolf 1931-5-11 1943 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  POM46855  Heterocodon rariflorum Charlotte M. Wilder 1903-07 s.n. Riverside Strawberry Valley, San Jacinto Mountains. Comment
  RSA559353  Heterocodon rariflorum Steve Boyd, Timothy S. Ross 1992-5-15 7389 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  UCR24935  Heterocodon rariflorum A. C. Sanders 1981-7-19 1691 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  RSA0072394  Heteromeles arbutifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3959 Riverside Vail Lake area, westerly draining canyon a N base of 'Big' Oak Mtn. 640 Comment
  UCR141232  Heterotheca grandiflora A. C. Sanders, Mike Misenhelter 2004-10-6 28835 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  POM153366  Heterotheca sessiliflora subsp. echioides P. A. Munz, I. M. Johnston 1928-9-12 11249 Riverside Temescal Canyon. Comment
  UCSB37815  Heterotheca sessiliflora subsp. echioides Roos, John 1965-9-16 Riverside On State St. near Florida St., Hemet Comment
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Feb 27 2007
  CAS-BOT-BC310831  Heterotheca sessiliflora subsp. fastigiata Roxana S. Ferris 1953-3-10 12601 Riverside About 3/4 mile north of Whitewater post office Comment
  CAS-BOT-BC176955  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  GMDRC9802  Hibiscus denudatus J. M. Andre 2017-3-1 38016 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  HSC47338  Hibiscus denudatus R. W. Spjut 1978-5-17 5044 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  PASA1771  Hibiscus denudatus 1930-3-30 Riverside Near Shavers Well Comment
  POM13675  Hibiscus denudatus E. C. Jaeger 1922-3-4 1035 Riverside Painted Canyon near Mecca. Comment
  RSA668428  Hibiscus denudatus S. Granger 1979-2-13 s.n. Riverside Chuckawalla Mountains. Comment
  UC472813  Hibiscus denudatus F. G. Woodcock and M. F. Spencer 1922-4-28 412 Riverside Chino Canyon Palm Springs; Colorado Desert, , Palm Springs Comment
  RSA95299  Hibiscus denudatus F. W. Peirson 1922-4-9 2900 Riverside Palm Canyon Region, near Palm Springs. Comment
  RSA696195  Hieracium albiflorum Keith E. Hoffmaster 1937-7-5 s.n. Riverside Fern Valley, San Jacinto Mtns Comment
  CAS-BOT-BC289174  Hilaria rigida K. Bonner 1977-10-30 60062 B Riverside 7.5 mi. N. of Midland on Rice Road 274 Comment
  LA8285  Hilaria rigida Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCR213763  Hilaria rigida Scott D. White, Justin M. Wood 2009-4-28 12598 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  UCR2457  Hilaria rigida F. M. Reed 1931-4-11 6941 Riverside Sonoran (Colorado) Desert, Chuckwalla Mesa, 'eastern Mohave Desert', near Fullers Well [=Chuckwalla Well?] 598 Comment
  UCR92640  Hilaria rigida George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA0040034  Hilaria rigida W. Marquart 1938-3-12 s.n. Riverside Mule mts. south of Chuckwalla range. Comment
  CAS-BOT-BC55305  Hirschfeldia incana Scott D. White 1996-4-14 3906 Riverside Perris Basin. East of Hemet. San Jacinto River Wash near Valle Vista, north of Highway 74. 550 Comment
  UCSB18870  Hoffmannseggia glauca Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 31 miles E of Desert Center 243 Comment
  CAS-BOT-BC207554  Hoffmannseggia microphylla M. E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA192191  Holocarpha virgata subsp. elongata E. W. Lathrop 1959-9-11 4651 Riverside 14 miles W of Murrieta; Tenaja plateau. Comment
  RSA679165  Holodiscus microphyllus Fred M. Roberts 2003-6-25 5934 Riverside Santiago Peak, NE slope off old road near jct. with Main Divide Truck Trail, 4.3km by road N bear Springs, 0.4km N summit. 1633 Comment
  UCR266342  Hordeum intercedens D. E. Bramlet 1996-4-18 2457 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, c. 762 m NE of Lakeview, 122 m east of Davis Rd. and 40 m north of Marvin Rd 434 Comment
  UCR269909  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3652 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
  POM352490  Hordeum marinum subsp. gussoneanum Christopher Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  UCR97250  Hordeum murinum Scott D. White 1997-2-28 4718 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR270626  Horsfordia newberryi John F. Emmel 1998-1-24 1534 Riverside Sonoran (Colorado) Desert, Coahella Valley, near east base of Santa Rosa Mountains, along wash below Devil Canyon and Guadalupe Canyon, 1.3 air miles south and 0.3-0.8 air mile west of intersection of Jefferson Street and Avenue 58 122 Comment
  JEPS30449  Hulsea vestita Donald W. Kyhos 1958-5-16 58 -187 Riverside 2.5 mi w Aguanga turnoff (Palms-to-Pines Highway); San Jacinto Mountains Comment
  CAS-BOT-BC312587  Hulsea vestita subsp. callicarpha Frank W. Peirson 1924-7-27 5005 Riverside Near Deer Spring, San Jacinto Mts. 2590 Comment
  POM48376  Hulsea vestita subsp. callicarpha P. A. Munz, Johnston 1924-7-27 8774 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  SBBG65752  Hulsea vestita subsp. callicarpha R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  SEINET480192  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. Comment
  POM13147  Hydrocotyle ranunculoides P. A. Munz, I. M. Johnston 1922-5-19 5429 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM306694  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1926-4-26 1688 Riverside Near Desert Center. Comment
  RSA20010  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  RSA304958  Hyptis emoryi S. Carlquist 1982-4-18 15671 Riverside West side of Thousand Palsm Canyon Road, 1 mile north of junction with Ramon Road, Thousand Palms. Comment
  UC883103  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside between Cottonwood Spring and Pinto Basin; btw Cottonwood Spring and Pinto Basin Comment
  UCD124919  Hyptis emoryi Geoffrey Levin 1975-4-5 469 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. 60 Comment
  SEINET10836950  Hyptis emoryi David B. Dunn 1948-2-21 Dunn 3657 Riverside Found in wash; a rain about two weeks earlier. Pushawalla canyon, indio hills of the colorado desert; w of indio. Comment
  UCR114328  Ipomoea hirsutula Mitch Provance 1998-9-28 1158 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  UC891887  Isocoma acradenia var. eremophila Carl B. Wolf 1932-10-13 Riverside 4.5 mi se Mecca (Caleb (S.P.R.R. siding)); Colorado Desert -60 Comment
Read comments
Jul 16 2015
  UCR151125  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  POM115620  Ivesia saxosa A. M. Alexander, Louise Kellogg 1941-5-6 2125 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  CAS-BOT-BC140654  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  CAS-BOT-BC167227  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37145 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  RSA751412  Juglans hindsii R. E. Riefner Jr., K. Campbell 2007-5-19 07 -211 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy. 298 Comment
  PASA627  Juncus canaliculatus Frank W. Peirson 1924-7-28 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  UC1931209  Juncus effusus Scott D. White, Justin Wood 2008-6-18 12233 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  UCR24956  Juncus macrandrus A. C. Sanders 1980-8-23 1759 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM48825  Juncus macrophyllus Phillip A. Munz, I. M. Johnston 1924-7-28 8801 Riverside Pine Flats 1738 Comment
  UCR104077  Juncus macrophyllus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20693 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  RSA192146  Juncus mexicanus E. W. Lathrop 1959-4-26 4502 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  UCR193494  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-6-20 35542 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA674566  Juncus rugulosus Scott D. White 2000-5-3 7769 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  UCR116009  Juncus xiphioides A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23302 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  SEINET5778468 Image available Juniperus californica Marcus E. Jones 1882-1 3175 Riverside San Jacinto Comment
  UC813451  Juniperus californica I. W. Clokey 1935-4-17 6507 Riverside Cottonwood Springs Comment
  CHSC90  Justicia californica V. Holt 1935-4-1 Riverside Near Palm Springs. 304 Comment
  JEPS121570  Justicia californica Adam C. Schneider with Will Freyman 2014-2-16 383 Riverside Box Canyon Road. Comment
  SBBG68769  Justicia californica R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn, 11 mi S of Palm Springs Comment
  SD126045  Justicia californica B. Pitzer 1988-3-10 64 Riverside West side of Chuckwalla Mtns. on gas line road ca. 1.5 miles North of intersection with Red Cloud Mine Rd. (& wash); 2 miles south ofHwy I-10 490 Comment
  SD173267  Justicia californica Melvin M. Sweet 2005-4-14 125 Riverside Anza-Borrego State Park; about 2 km NE of Middle Willows in Coyote Canyon stream bed 641 Comment
  SEINET2163601 Image available Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Eagle Mountains 460 Comment
  UCD121631  Justicia californica Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  RSA683920  Kallstroemia californica Michael Denslow 2003-9-13 1552 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  RSA0009770  Kallstroemia californica Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  UCR125197  Keckiella antirrhinoides Mitch Provance 1998-5-29 559 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  UCR149864  Keckiella antirrhinoides Scott D. White, Michael Honer 2004-4-6 10046 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  CAS-BOT-BC236711  Keckiella antirrhinoides subsp. antirrhinoides H. E. McMinn No date on label. 39 Riverside March - Redlands Comment
  NY786540  Keckiella antirrhinoides var. antirrhinoides G. R. Campbell 1951-4-22 16072 Riverside Highway 74, between Hemet and Idyllwild, 4 miles above Cranston Ranger Station 1005.8 Comment
  NY786703  Keckiella antirrhinoides var. antirrhinoides G. T. Hastings 1941-4-26 s.n. Riverside Sage Comment
  SFV13123  Keckiella ternata var. ternata M. J. Thor 1982-9-16 139 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  POM353056  Koeleria macrantha N. C. Cooper 1944-3-24 1044 Riverside Banning. 701 Comment
  UC149782  Koeleria macrantha H. M. Hall 1902-4-26 2976 Riverside vicinity of Riverside Box Spr. Mt. 685 Comment
  CAS-BOT-BC273669  Koeleria pyramidata Cecil Hart 1922-5-21 27 Riverside San Jacinto Mt. Comment
  CAS-BOT-BC273674  Koeleria pyramidata H. M. Hall 1901-6-1 2131 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  CAS-BOT-BC61434  Krameria bicolor Barbara Ertter; Jeffrey Strachan 1980-5-20 3464 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 457 Comment
  CAS-BOT-BC61437  Krameria bicolor Carl B. Wolf 1932-4-27 2986 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  RSA20295  Krameria erecta Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9560 Riverside 1 mile below Cottonwood Springs Comment
  RSA409440  Krameria erecta George B. Grant 1906-05 6786 Riverside Palm Springs Comment
  SDSU6908  Krameria erecta Gerald Collier 1951-5-27 M 245 Riverside 4 miles Pinon flats. Sanjacinto Mtns. State hwy 74 Comment
  RSA596115  Lactuca serriola D. L. Banks 1996-11-7 1198 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  UC87469  Laennecia coulteri T. S. Brandegee 1901-3-28 Riverside Indian Wells Colorado Desert, Indian Wells Comment
  UCSC000773  Laennecia coulteri G. R. Hall 2001-8-31 s.n. Riverside near Riverside Riverside Comment
  UCR101796  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 1997-3-5 1329 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR35328  Lamium amplexicaule L. B. Ziegler 1971-5-1 421 Riverside San Jacinto Valley, San Jacinto 473 Comment
  RSA480076  Langloisia setosissima subsp. setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  CAS-BOT-BC166017  Larrea tridentata Geo. B. Grant 1906-4-8 6724 Riverside Palm Springs Comment
  CHSC2043  Larrea tridentata V. Holt 1935-4-16 Riverside Colorado Desert. Comment
  JOTR31951  Larrea tridentata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2188 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA329549  Larrea tridentata Gary D. Wallace 1966-3-26 266 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  RSA390019  Larrea tridentata M. B. Dunkle 1935-3-17 4409 Riverside Desert Center 61 Comment
  SBBG56038  Larrea tridentata C. Davidson, B. Gustafson 1977-4-7 5568 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 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
  JEPS48952  Lastarriaea coriacea W. L. Jepson 1935-4-21 17160 Riverside Aguanga; near branch road to Pines 603 Comment
  CAS-BOT-BC338910  Lasthenia californica Steve Boyd 1986-4-2 1614 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  JEPS29319  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-26 8415 Riverside 2.2 mi nw Alberhill (at headwaters of Temescal Creek); Temescal Creek Comment
  UC34691  Lasthenia coronaria Geo. R. Hall 1901-5-17 1675 Riverside Riverside Comment
  UCR182094  Lasthenia glaberrima Michael L. Charters, Tom Chester 2003-6-8 204 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Mesa de Colorado, largest vernal pool, north edge along boardwalk 625 Comment
  RSA5024  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  SDSU17520  Lasthenia gracilis Jerry Jenkins 2001-4-3 2001 -031 Riverside Santa Margarita Ecological Reserve. Ravine south of S. M. River, UTM zone 6, 482400E, 3700400N. UTM transfered to GIS. Comment
  UC62982  Lasthenia gracilis H. M. Hall 1902-4-7 2753 Riverside vicinity of Riverside (Alessandro) 426 Comment
  UCR1203  Lasthenia gracilis Martha McCarthy 1960-3-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, along Tenaja Road, 3.8 mi. from junction with Washington Ave. in Murrieta, 25 yards from NW side of road 549 Comment
  UCR237212  Lasthenia gracilis Duncan S. Bell, Valentin Arvizu 2010-5-10 985 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.4 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1365 Comment
  UCR241389  Lasthenia gracilis T. B. Salvato, Mike Landers 2013-3-21 7382 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  RSA606062  Lathyrus R. S. Woglum 1934-3-18 648 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  SD236281  Lathyrus odoratus John F. Green 2006-5-3 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road. 402 Comment
  RSA406642  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  POM2641  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1918-4-27 2127 Riverside Elsinore Comment
  UCR35018  Lathyrus vestitus subsp. vestitus L. B. Ziegler 1967-4-18 115 Riverside San Jacinto Mtns, Foothills of the mountains, Soboba Indian Reservation, Poppet Flat Rd 581 Comment
  SD8724  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-22 Riverside Temecula Comment
  POM294111  Layia glandulosa Lyman Benson 1946-4-15 12018 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  UCR178155  Layia glandulosa Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 140 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UC30658  Layia platyglossa H. M. Hall 1899-5-1 Riverside Johnson's San Jacinto Mountains, Johnson's 1676 Comment
  UCSB17220  Layia platyglossa Gerhart, Janet 1963-5-5 Riverside Hemet Meadow, 1.3 miles south of Hurkey Creek Campground on California Highway 74 1341 Comment
  RSA741206  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11961 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  CAS-BOT-BC534385  Lemna gibba R. F. Thorne; E. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  JOTR31807  Lepidium fremontii La Doux, Tasha, Bill Truesdell 2007-11-9 2515 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  RSA429929  Lepidium lasiocarpum Robert M. Perkins 1937-3-15 393 Riverside 4 miles W of Desert Center. Comment
Read comments
Dec 18 2011
  SEINET3105700  Lepidium lasiocarpum Faulkner 1978-3-15 280 Riverside 1 mile West Hwy 95, 25 miles N of Blythe. 152 Comment
  SBBG104635  Lepidium lasiocarpum var. lasiocarpum T. Glenn 1991-5-2 91 -30 Riverside McCoy Mtns NW of Blythe 350 Comment
  UC354427  Lepidium lasiocarpum var. lasiocarpum Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs; Eagle Canyon Comment
  CAS-BOT-BC158125  Lepidium latifolium Abby Sirulnik 2000-5-4 38 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  UC1929668  Lepidium latifolium Scott D. White 2003-6-9 9524 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  UCR68503  Lepidium latifolium Chet McGaugh 1991-6-20 91- 01 Riverside Peninsular Range, Murrieta Hot Springs Area: c. 1 mi east of Hwy I-215, south of and adjacent to Murrieta Hot Springs Road 348 Comment
  CHSC8476  Lepidium oblongum Edward Laidlaw Smith 1958-3-21 470 Riverside 2 mi. e. of Indio on Hwy 60. Salton Sea Drainage Area. Comment
  RSA282777  Lepidium virginicum var. pubescens C. W. Tilforth, B. Busenberg 1980-6-17 2015 Riverside Along Thomas Mtn Rd at 5450 feet, south of Lake Hemet, west of Hwy 74. 1662 Comment
  RSA525337  Lepidium virginicum var. robinsonii Steve Boyd, Dave Bramlet 1990-4-29 4467 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR97684  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19924 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  CAS-BOT-BC339176  Lepidospartum C. B. Wolf 1931-10-14 2462 -A Riverside At Cabezon, San Gorgonio Pass 518 Comment
  POM46897  Lepidospartum squamatum Mary F. Spencer 1918-4-1 776 Riverside Andreas Valley near Palm Springs, Colorado Desert. 152 Comment
  SEINET3005063  Leptochloa uninervia G. Rink 2011-4-30 10501 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCR119861  Leptodactylon jaegeri Heidi West, Lisa Fields 2000-7-19 s.n. Riverside San Jacinto Mtns., NNW and N sides of Divide Peak, c. 2.15 air mi. SE of San Jacinto Peak 2820 Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  UC52496  Leptodactylon pungens H. M. Hall 1901-6 2418 Riverside just below Big Wet Seneca Tauquitz Valley; San Jacinto Mountains, Tauquitz Valley below Big Wet Seneca 2621 Comment
  POM263081  Leptosiphon androsaceus J. C. Roos 1941-4-19 167 Riverside Reche Canyon - Plateau [Label indicates San Bernardino Co.] Comment
  RSA0074209  Leptosiphon floribundus Thekla Mohr 1920-5-1 s.n. Riverside [Glen] Ivy Canyon, Temescal. Comment
  CAS-BOT-BC227029  Leptosiphon floribundus subsp. floribundus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  POM10432  Leptosiphon floribundus subsp. glaber H. M. Hall 1897-7-30 303 Riverside Taurus Mt. Comment
Read comments
Sep 7 2010
  SD137680  Leptosiphon floribundus subsp. glaber Darin L. Banks, Steve Boyd 1995-4-5 157 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail in the north flowing drainage that empties into Arroyo Seco. 548 Comment
  POM65218  Leptosiphon liniflorus George F. Reinhardt 1897-06 11550 Riverside San Jacinto Mts. Comment
  POM96632A  Leptosiphon pygmaeus subsp. pygmaeus F. M. Reed 1925-5-26 5285 Riverside Horsetheif Canyon. 762 Comment
  SEINET8483157 Image available Leptosyne californica W. V. Apton 1969-4-20 171 Riverside Rte 71, 15 mi S of Corona 229 Comment
  POM118637  Lesquerella tenella Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UCR161441  Lessingia filaginifolia A. C. Sanders, Mike Misenhelter 2005-9-20 31677 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
  UCR193973  Lessingia filaginifolia A. C. Sanders 2008-7-25 35906 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  SD175800  Lessingia glandulifera var. glandulifera Mike Lahti 2006-9-12 1356283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet. 715 Comment
  SEINET11810766  Lessingia glandulifera var. glandulifera Unknown 1960-1 583 Riverside 4.7 mi E of Anza on road to Santa Rosa Summit 1372 Comment
  CAS-BOT-BC283713  Leymus condensatus Peter H. Raven; Sidney R. Snow 1956-6-30 9533 Riverside Dripping Springs Guard Station, Temecula River Comment
  RSA768238  Limonium perezii Justin M. Wood 2010-5-19 1843 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  RSA736765  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA788872  Limosella acaulis Gary D. Wallace 2003-7-8 4053 Riverside Hidden Lake. Comment
  SBBG64579  Linanthus bigelovii M. N. Ackley 1928-3-31 Riverside Hidden Spring Cyn 365 Comment
  RSA771116  Linanthus dianthiflorus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4923 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
  UC1595565  Linanthus dianthiflorus W. Wisura, A. King, and L. Newcomb 1992-4-10 4678 Riverside n of W. Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  GMDRC3554  Linanthus jonesii J. Andre, T. La Doux 2009-2-25 10829 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  RSA123819  Linanthus jonesii P. H. Raven 1958-3-15 11846 Riverside Box Canyon 4.5 miles east of turn to Painted Canyon. Comment
  RSA676282  Linanthus jonesii Scott D. White 2001-4-3 8247 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC1051457  Linanthus jonesii Herbert L. Mason 1952-4-7 14207 Riverside Palm Canyon Palm Spring Comment
  UCR249505  Linanthus jonesii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7287 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
  UC1537468  Linanthus lemmonii Gordon H. True Jr. 1935-4-11 576 Riverside Gavilan Hills 609 Comment
  CLARK-A1528-3477  Linanthus liniflorus John C. Roos 1952-5-26 5712 Riverside Reche Canyon 457 Comment
  UC489015  Linanthus liniflorus C. V. Meyer 1929-6-18 765 Riverside Hemet Valley San Jacinto Mts. 1219 Comment
  UCSB24764  Linanthus pungens Tucker, B. 1966-5-8 Riverside Above base of Palm Springs Aerial Tramway near Palm Springs 516 Comment
  UCR121182  Linanthus pygmaeus D. E. Bramlet 1990-4-26 1980 Riverside Rawson Canyon, c. 6300 ft. (1.2 mi.) south of Crown Valley and 8,500 ft. NW of Black Mountain 585 Comment
  RSA559329  Linaria canadensis var. texana Steve D. Boyd, Tim S. Ross 1992-5-15 7413 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UCR174436  Linaria canadensis var. texana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32485 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
  UCR266492  Linaria canadensis var. texana Mitch Provance, Matt Amalong 2015-3-25 315- 36 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR20554  Linum lewisii W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CAS-BOT-BC401085  Loeseliastrum matthewsii Sarah J. De Groot; April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley 396 Comment
  UC106720  Loeseliastrum matthewsii T. S. Brandegee 1892-5-14 Riverside Whitewater Comment
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Jan 14 2010
  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
  JOTR34276  Logfia filaginoides La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3291 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  UC55097  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside vicinity Riverside 365 Comment
  IRVC28529  Lolium rigidum Walter Graves 2002-5-15 502- 22 Riverside grown at U.C.R. in Agricultural Operations Fields Riverside 305 Comment
  UC21220  Lomatium lucidum Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR158502  Lomatium lucidum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30023 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC234805  Lonicera subspicata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mts. 1524 Comment
  UCD137364  Lonicera subspicata M. Vincent 1963-7-8 431 Riverside Upper San Juan Campground. Hwy #74. Comment
  CLARK-A1528-2408  Lonicera subspicata var. johnstonii John C. Roos 1952-7-16 5813 Riverside 487 Comment
  RSA90073  Lotus argophyllus var. argophyllus F. W. Peirson 1921-3-22 4092 Riverside Andreas Canyon, Palm Springs region Comment
  SDSU13582  Lotus corniculatus W. Miller with C. Mosse 1972-7-11 Riverside Comment
  RSA784831  Lotus crassifolius J. D. Olmsted 1958-6-15 170 Riverside M. fk. San Jacinto River: 1 mi above intersection of Beartrap Canyon with Strawberry Creek by Idyllwild School of Music and the Arts. 1616 Comment
  UC80918  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  RSA282923  Lotus grandiflorus var. grandiflorus C. W. Tilforth, B. Busenberg 1980-6-17 1996 Riverside Along Hiway 74, west of Mountain Center Comment
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Jun 10 2012
  RSA523533  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3992 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA525446  Lotus hamatus Steve Boyd 1990-4-29 4491 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR116708  Lotus hamatus A. C. Sanders, Steven R. Hill 2001-5-4 24147 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR127357  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 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
  UCR226061  Lotus hamatus A. C. Sanders, T. B. Salvato 2011-4-1 38964 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  RSA0119992  Lotus haydonii Duncan S. Bell, Thomas Stoughton 2016-4-13 9260 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  JOTR29600  Lotus heermannii var. heermannii Andre, Jim 2006-4-26 6757 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA586334  Lotus heermannii var. heermannii D. L. Banks, S. D. Boyd 1995-5-3 0199 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
  UCR120660  Lotus humistratus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1793 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA282916  Lotus nevadensis var. nevadensis C. W. Tilforth, B. Busenberg 1980-6-17 2020 Riverside On slopes south of Toolbox Springs Campground, Thomas Mtn. Road, south of Lake Hemet & west of Highway 74 Comment
  POM19607  Lotus oblongifolius Mary F. Spencer 1923-07 2196 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA720599  Lotus purshianus T. Tennant, T. B. Salvato 1998-6-23 MOR- 486 Riverside Morongo Indian Reservation, N end of Hathaway Cyn., ca. 0.4 miles E of pk 4265 (polygon 13). 1341 Comment
  UCR159258  Lotus purshianus A. C. Sanders, Kelly Volansky 2005-8-31 31572 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  CDA27284  Lotus rigidus T. C. Fuller 1963-4-23 10293 Riverside Sac Jacinto Mountains; Highway 47 to Palm Desert just east of Pinyon Flat. 0 Comment
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Sep 4 2011
  CLARK-A1656-715  Lotus rigidus unknown 1981-3-14 Riverside Coachella Valley Comment
  UC864868  Lotus rigidus S. B. Parish 1917-4-4 Riverside Palm Canyon Colorado desert Comment
  RSA722993  Lotus scoparius M. Wall 2007-6-26 432 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  UCR21838  Lotus scoparius var. brevialatus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA619566  Lotus strigosus D. L. Banks 1997-5-5 2004 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
  SEINET7063237  Lotus strigosus A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UC1545282  Lotus strigosus Charles B. Fiker 1946-3-6 3331 Riverside between Aguanga and Coahuila Comment
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Sep 12 2016
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
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Mar 13 2011
  UCR18185  Lotus strigosus A. C. Sanders 1978-4-30 00341 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UCR92050  Lotus strigosus Scott D. White 1995-3-30 2665 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
  UC1537085  Lotus wrangelianus Gordon H. True Jr. 1935-4-5 215 Riverside Gavilan Peak Gavilan Hills 731 Comment
  JEPS48838  Lupinus arizonicus Marjorie D. Clary 1932-5-9 945 Riverside Shavers Well to Desert Center; Shavers Well to Desert Center Comment
  POM305635  Lupinus arizonicus Henry J. Ramsey 1937-2-26 864 Riverside Indio Comment
  UCR148445  Lupinus arizonicus John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  UCR216494  Lupinus arizonicus Jim Andre, T. La Doux 2009-3-10 11244 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR240994  Lupinus arizonicus Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 51 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR279239  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-23 42935 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  SBBG71240  Lupinus bicolor M. N. Ackley -Mar-1928 527 Riverside near Cabazon, San Gorgonio Pass 542 Comment
  UCR127567  Lupinus bicolor A. C. Sanders, T. B. Salvato 2003-5-21 26790 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
  UCR171965  Lupinus bicolor John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  POM157897  Lupinus bicolor subsp. microphyllus Philip A. Munz 1927-5-21 10895 Riverside Coahuila Valley. 1372 Comment
  HSC85275  Lupinus concinnus Steve Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mtn. Comment
  SD249688  Lupinus concinnus J. M. Andre 2013-3-27 24808 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  UC1543234  Lupinus concinnus Donald G. Nelson 1936-5-24 421 Riverside e Lake Hemet (across from Hurkey Creek Camp, n of Mt. Tomas, San Jacinto Mountains); San Jacinto Mountains, e of Lake Hemet, n of Mt. Tomas Comment
  UCR241221  Lupinus concinnus Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1010 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  RSA507941  Lupinus concinnus subsp. optatus Steve D. Boyd 1988-5-28 2259 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  LA205090  Lupinus excubitus Elizabeth Levine; 1949-5-22 sn Riverside off the Pines to Palms Highway past Lake Hemet Comment
  UCSB26812  Lupinus excubitus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns. 2377 Comment
  CAS-BOT-BC216679  Lupinus excubitus subsp. hallii P. A. Munz; I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon, San Jacinto Mountains Comment
  POM128361  Lupinus excubitus var. hallii Thomas Craig 1927-4-23 208 Riverside Glen Ivy. Comment
  RSA503877  Lupinus excubitus var. hallii Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR35022  Lupinus formosus L. B. Ziegler 1967-4-18 112 Riverside Peninsular Ranges, Foothills of the San Jacinto Mtns, on Poppet Flat Rd 915 Comment
  CLARK-A1528-2840  Lupinus hirsutissimus John C. Roos 1952-4-9 5511 Riverside Riverside 380 Comment
  RSA413694  Lupinus hirsutissimus N. C. Cooper 1944-5-21 1304 Riverside San Jacinto Mtns, West side 1067 Comment
  UCD107944  Lupinus hirsutissimus R. N. Raynor 1933-3-31 s.n. Riverside San Jacinto Valley. Comment
  UCR84944  Lupinus hirsutissimus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16231 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
  RSA761267  Lupinus hyacinthinus Shawn Krosnick, Lucinda A. McDade, Naomi S. Fraga 2010-8-14 667 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM320521  Lupinus latifolius subsp. parishii Worthman 1960-5-16 165 Riverside 8.7 miles west of Murietta. 168 Comment
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Jun 16 2013
  RSA171356  Lupinus microcarpus var. densiflorus J. D. Olmsted 1962-5-3 3525 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  RSA33604  Lupinus microcarpus var. densiflorus N. C. Cooper 1944-5-20 1260 Riverside Palms to Pines Hwy, San Jacinto Mts. 1280 Comment
  UCR37489  Lupinus microcarpus var. densiflorus Steve Boyd 1980-5-3 s.n. Riverside Peninsular Range, Gavilan Hills, [Mead Valley] along Cajalco Road, 1/4 mile east of Alexander Rd. 498 Comment
  HSC84217  Lupinus sparsiflorus Karin Cleary 1987-4-8 12 Riverside E side of freeway Sunset Ave., 1.25 km N of freeway I-10 823 Comment
  UCR78444  Lupinus sparsiflorus Scott D. White 1993-4-22 1244 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  POM12625  Lupinus succulentus Philip A. Munz, I. M. Johnston 1922-5-19 5384 Riverside 8 miles NE of Murietta. 412 Comment
  UCR103181  Lupinus succulentus Scott D. White, Julie Greene 1997-3-12 4777 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR60537  Lupinus succulentus C. W. Tilforth, W. Wisura 1979-4-11 1788 Riverside hills at south side of Lake Skinner, east of Murrieta 427 Comment
  RSA263707  Lupinus truncatus E. W. Lathrop 1971-3-21 7457 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  RSA559418  Lupinus truncatus Steve D. Boyd 1992-4-15 6861 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  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
  SD237445  Lupinus truncatus T. B. Salvato, Matt MallA^, Tim Searl 2011-4-19 5165 Riverside Peninsular Range: Gavilan Hills: Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 (Alberhill 7.5'Q) 462 Comment
  UCR176898  Lupinus truncatus Tracy Tennant 1998-5-13 1017 Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  UCR96708  Lupinus truncatus A. C. Sanders 1997-3-1 19717 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA801942  Luzula comosa var. laxa LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6172 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  CAS-BOT-BC231420  Lycium andersonii C. F. B. 1904-4-4 4145 Riverside Elsinore Comment
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Sep 3 2017
  RSA80331  Lycium andersonii F. W. Peirson 1922-4-29 1084 Riverside Aguanga, western Riverside Co. 610 Comment
  SEINET3078088 Image available Lycium andersonii B. Pitzer 1988-3-10 659 Riverside W side of Chuckwalla Mountains, on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd (and wash); ca. 2 miles (airline) S of Hwy I-10. 488 Comment
  UCR89576  Lycium andersonii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  SEINET10546455  Lycium brevipes Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 29 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  RSA428846  Lycium cooperi Christopher Davidson 1973-4-19 1985 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA757453  Lythrum hyssopifolia Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55215 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UCR61011  Machaeranthera asteroides var. asteroides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3718 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam 488 Comment
  UCR88551  Machaeranthera tortifolia A. C. Sanders 1995-4-13 16499 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
  POM13100  Mahonia dictyota P. A. Munz, I. M. Johnston 1922-5-20 5489 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  CAS-BOT-BC230890  Malacothamnus davidsonii Edith A. Purer 1935-4-21 6472 Riverside East slope of San Jacinto Mt. Comment
  RSA0124287  Malacothamnus fremontii Duncan S. Bell 2016-4-16 9327 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  CAS-BOT-BC345426  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA586843  Malacothrix clevelandii D. L. Banks, Peter Morrell 1995-5-4 0310 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, on metasedimentary hills N of Wildhorse Peak. 732 Comment
  RSA606377  Malacothrix clevelandii Jon E. Keeley 1994-4-22 25323 Riverside Shipley Reserve. 590 Comment
  POM362313  Malacothrix glabrata N. C. Cooper 1949-4-8 3296 Riverside Desert Center. 609 Comment
  POM362315  Malacothrix glabrata N. C. Cooper 1949-3-15 3171 Riverside North of Palm Springs. 121 Comment
  SBBG55792  Malacothrix glabrata D. Keil, M. McLeod 1977-3-26 12009 Riverside Hwy 71, ca. 8 mi NW of Lake Elsinore St Recreation Area 365 Comment
  UCR133951  Malacothrix glabrata Mitch Provance, J. S. Ross 1998-3-27 MOR- 978 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR135999  Malacothrix glabrata Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCSB11967  Malacothrix saxatilis var. tenuifolia Warrick, Ted 1961-5-7 Riverside 7.3 mi. SW of Palm Desert; Pines to Palms hiway Comment
  RSA776240  Malacothrix stebbinsii Duncan S. Bell 2010-3-20 599 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  JEPS66254  Malosma laurina W. L. Jepson 1901-6-1 1579 Riverside Temescal Wash 335 Comment
  UCR270308  Malosma laurina T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8376 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  SD143832  Malva parviflora Scott D. White 1996-12-26 4643 Riverside Perris area. 424 Comment
  UCR69748  Malvella leprosa A. C. Sanders, Chet McGaugh 1991-7-19 11147 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR114815  Marah macrocarpa Mitch Provance 1998-2-17 64 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  CAS-BOT-BC218948  Marina parryi Lester Rowntree 1937-5-26 s.n. Riverside Box Canyon near Mecca Comment
  UCR162979  Marina parryi James C. Dice, K. Nicol 1998-3-24 980324 -1D Riverside NW Colorado Desert, 9 miles (14.4 km) N of Desert Center, along State Hwy 177 163 Comment
  UCSB3069  Marina parryi Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  CAS-BOT-BC71092  Marsilea vestita John Thomas Howell 1930-5-10 4777 Riverside March Field Comment
  POM12207  Marsilea vestita P. A. Munz 1922-4-29 5071 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA618002  Marsilea vestita R. E. Riefner 1998-4-22 98 -291 Riverside Vernal Pool Flora of the Wildomar Fault: Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore Comment
  RSA715764  Matricaria matricarioides A. C. Sanders 2005-4-22 29589 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR126979  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-9 26581 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 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
  POM348038  Medicago polymorpha N. C. Cooper 1944-4-22 1129 Riverside Banning. 732 Comment
  CLARK-A1528-4722  Melica californica John C. Roos 1950-4-22 4754 Riverside Box Springs Mountains 792 Comment
  CAS-BOT-BC271703  Melica frutescens A. C. Sanders; Matthew Malle; T. B. Salvato; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37796 Riverside Southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St., Alberhill 7.5' Z., Peninsular Range 525 Comment
  CAS-BOT-BC271705  Melica frutescens Frank W. Gould 1944-4-5 2233 Riverside 17 miles east of Temecula on Highway 79 Comment
  RSA495443  Melica frutescens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2971 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA10520  Melica imperfecta C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  RSA519239  Melica imperfecta Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR112406  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23454 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR178350  Melica imperfecta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1057 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  POM348170  Melilotus indicus N. C. Cooper 1944-4-22 1136 Riverside Banning. 732 Comment
  JOTR28821  Menodora scoparia La Doux, Tasha 2003-9-4 1089 Riverside Joshua Tree National Park. Queen Mountain, above Key's Ranch, near old dam Comment
  UCR109001  Mentzelia affinis D. L. Banks, V. W. Steinmann 1997-4-13 1472 Riverside NW Palomar Mtns., Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79. Hills east of the Dripping Springs alcove and west of Vail Lake Marina Road. 549 Comment
  JOTR00885  Mentzelia albicaulis Sipe, Frank 1958-3-10 268 Riverside Joshua Tree National Park. PINTO BASIN Comment
  UC19578  Mentzelia dispersa H. M. Hall 1901-6 2272 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA720424  Mentzelia involucrata M. B. Dunkle 1933-3-4 3053 Riverside Painted Canyon, Colorado Desert. 30 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
  RSA545215  Mentzelia laevicaulis Robert F. Thorne 1970-09 41876 Riverside San Bernardino Mts.-Whitwater Canyon: Sandy soil of the canyon from ca. 1350 ft near bridges and Whitewater Post Office to ca. 2000 ft up the canyon toward fish hatchery. Comment
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Nov 30 2014
  RSA446754  Mentzelia longiloba var. longiloba H. M. Hall 1905-04 5925 Riverside Mc Coy wash 91 Comment
  UCR207511  Mentzelia micrantha O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  SD181456  Mentzelia montana Scott D. White, Bill LaHaye 2000-5-27 7962 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  UC19591  Mentzelia montana H. M. Hall May 1899 1121 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  CAS-BOT-BC435297  Mesembryanthemum nodiflorum Mitch Provance 2005-5-17 6557 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 421 Comment
  RSA714427  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
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Jul 8 2009
  RSA560833  Micropus californicus Steve Boyd, Timothy S. Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA660502  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA556493  Microseris heterocarpa Julie Greene 1993-4-3 1121 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  RSA563890  Microseris lindleyi Scott D. White 1993-4-20 1208 Riverside Estelle Peak, Gavilan Hills. 823 Comment
  UCR103258  Microseris lindleyi B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3569 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
  RSA192025  Microsteris gracilis subsp. gracilis E. W. Lathrop 1959-4-2 4413 Riverside Cleveland National Forest, Trabuco District, Tenaja Guard Station, slopes of Tenaja Canyon. Comment
  UCR98683  Mimulus aurantiacus 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
  RSA444467  Mimulus aurantiacus var. pubescens J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
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May 21 2011
  UCR244409  Mimulus bigelovii var. bigelovii Jim Andre 2012-4-16 20904 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA757455  Mimulus brevipes Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55188 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  UCR117086  Mimulus brevipes A. C. Sanders, T. B. Salvato 2001-5-16 24300 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR174079  Mimulus brevipes A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32583 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UC943901  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1898 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  POM10946  Mimulus diffusus P. A. Munz 1922-4-30 5135 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  RSA557872  Mimulus floribundus Steve Boyd, Orlando Mistretta 1992-4-23 7058 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  JEPS86974  Mimulus fremontii var. fremontii David M. Thompson 1988-4-8 869 Riverside 0.4 mi s Indian Valley Truck Trail interchange (I-15) (along frontage road on ne side of interstate, near summit of s bank of creek); Indian Creek 350 Comment
  UC922769  Mimulus guttatus Annie M. Alexander and Louise Kellogg 1940-3-21 886 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  UC76436  Mimulus nasutus Miss M. Alice King March, 1893 Riverside Menifee Comment
  RSA544419  Mimulus pilosus Steve Boyd, Tim S. Ross 1991-6-14 6387 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
  RSA395889  Minuartia douglasii Steve Boyd 1986-4-20 1724 Riverside Gavalin Hills-Gavalin Hills: Harford Springs Co. Park. Comment
  UCR133974  Mirabilis californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 967 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  RSA716874  Mirabilis laevis A. C. Sanders 2003-4-4 25851 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA770932  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4778 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR264233  Mirabilis laevis A. C. Sanders, Jim Malusa 2015-9-10 41860 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CAS-BOT-BC434687  Mirabilis laevis var. crassifolia M. McCollum 1976-6-10 2039 Riverside 8 mi. SSW of Yucca Valley 914 Comment
  CAS-BOT-BC434703  Mirabilis laevis var. crassifolia Ivan Johnston 1917-4-4 1090 Riverside Colorado Desert. Mouth of Andreas Canon [Canyon] 243 Comment
  RSA450138  Mirabilis laevis var. crassifolia J. C. Roos 1966-9-20 s.n. Riverside San Jacinto. Comment
  RSA465235  Mirabilis laevis var. crassifolia Christopher Davidson 1973-4-1 1797 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  JEPS61300  Mirabilis laevis var. retrorsa W. L. Jepson 1914-5-18 6018 Riverside County Well, on grade from Pinion Well to Indio 304 Comment
  RSA464249  Mirabilis laevis var. retrorsa Martha Hilend 1928-3-9 66 Riverside Near White Water Bridge. Colorado Desert. Comment
  RSA68292  Mirabilis laevis var. retrorsa Verne Grant, Alva Grant 1951-4-7 15979 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  UC7645  Mirabilis multiflora var. pubescens John Van de Venter 1898-6-27 956 Riverside El Toro, Van de Venter's El Toro; San Jacinto Mts 1356 Comment
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Aug 1 2006
  RSA408755  Mohavea confertiflora N. C. Cooper 1949-4-8 3300 Riverside Desert Center. 610 Comment
  RSA758321  Mohavea confertiflora Doug Goldman 2005-3-3 3024 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCSB10569  Mohavea confertiflora Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  UCSB31044  Mohavea confertiflora Steele, R. 1977-3-26 Riverside Box Cyn Road, 5 mi SW of Interstate 10 on 365 Comment
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Dec 2 2014
  RSA0105934  Mohavea confertiflora Alan Romspert 2001-4-13 s.n. Riverside Frontage Road E. of Cactus City rest Area, I-10. Comment
  SD233870  Monardella A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24608 Riverside Mojave Desert, Little San Bernardino Mtns: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airlilne) SW from park road in Lost Horse Valley. 1341 Comment
  UCR125892  Monardella A. C. Sanders, Mark Elvin 2001-8-17 24595 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  CLARK-A1045-110  Monardella linoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  LA62723  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  POM13335  Monardella linoides subsp. linoides E. C. Jaeger 1921-3-10 1099 Riverside Santa Rosa Mtns, Upper Deep Canyon. 1220 Comment
  UC1618123  Monardella macrantha Donald G. Nelson 1936-5-22 396 Riverside Pines to Palms Hwy. near base of Santa Rosa Mts. Comment
  CHSC21752  Monardella macrantha subsp. hallii Robert A. Schlising 1968-8-17 2906 Riverside On trail to San Jacinto Peak, above Marian Mt. campground. Comment
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Jul 22 2020
  UC1499877  Monardella nana Elizabeth McClintock 1940-9-1 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  UC1499904  Monardella nana Elizabeth McClintock 1941-6-8 64 Riverside Road to Santa Rosa Mt., 2 1/2 miles above Pines to Palms Highway Comment
  CLARK-A1528-579  Monardella nana subsp. arida C. M. Flanagan 1973-5-12 OO 405 Riverside San Jacinto Mountains 1097 Comment
  RSA125332  Monardella nana subsp. arida R. Weatherby 1949-6-6 643 Riverside Santa Rosa Mountain. 1982 Comment
  UCR221496  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 104 Riverside Peninsular Range; San Jacinto Mtns., Deer Springs and Suicide Rock trail, one switchback below the forks 2073 Comment
  SEINET10498940  Monardella odoratissima subsp. australis David B. Dunn 1946-8-18 Dunn 2744 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mtns Comment
  CAS-BOT-BC349787  Monoptilon bellioides Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2126 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  POM8412  Monoptilon bellioides Mary F. Spencer 1920-4-7 1479 Riverside Palm Canyon, Colorado Desert 183 Comment
  UC1546693  Monoptilon bellioides Barry A. Prigge 1988-2-21 7843 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR260592  Morus alba A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41552 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just 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
  RSA648069  Muhlenbergia asperifolia J. C. Roos 1946-9-14 3002 Riverside Dos Palmas Springs east of Asbestos Mt. 1066 Comment
  UCR2777  Muhlenbergia asperifolia F. M. Reed 1933-9-20 8089 Riverside San Jacinto Mtns., Lake Hemet in Garner Valley Comment
  CAS-BOT-BC275299  Muhlenbergia microsperma Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JOTR36006  Muhlenbergia microsperma Harding, Mitzi, T. Herskovits 2012-3-16 214 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA179489  Muhlenbergia microsperma E. W. Lathrop 1965-4-25 5687 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  RSA403581  Muhlenbergia microsperma A. Dunn 1932-3-26 s.n. Riverside Box Canyon Comment
  JEPS68834  Muhlenbergia rigens Annie M. Alexander and Louise Kellogg 1938-12-11 269 Riverside Lost Palm Canyon 685 Comment
  RSA129668  Muhlenbergia rigens H. S. Yates 1936-8-29 6381 Riverside Near Pine Flats 1829 Comment
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  RSA336177  Myosurus minimus subsp. apus Robert F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51964 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SBBG45292  Myriopteris parryi S. B. Parish -Mar-1882 Riverside Agua Caliente [Palm Springs] Comment
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Jul 12 2010
  HSC28433  Nama demissa Richard Spjut 1973-4-5 3264 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  RSA0040072  Nama hispida var. spathulata Jim Andre 2014-1-27 26661 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  CLARK-A1528-3447  Navarretia atractyloides John C. Roos 1952-5-26 5724 Riverside Reche Canyon 457 Comment
  JEPS8950  Navarretia atractyloides Rimo Bacigalupi with G. T. Robbins 1954-5-16 4470 Riverside 0.5 mi n Sage (1.5 mi s of junction of road to Red Mountain, along road from Hemet to Sage (Calif Hwy 179)) 762 Comment
  RSA469853  Navarretia atractyloides E. S. Spalding 1925-6-13 s.n. Riverside Temecula. Comment
  UCR19167  Navarretia atractyloides John C. Roos 1950-5-27 4818 Riverside Peninsular Range, Hills NE of summit of Reche Canyon 762 Comment
  UCR62383  Navarretia fossalis Don Mitchell 1990-6-1 s.n. Riverside About 1.5 mi. west of Lakeview, in small bulldozer-made ponds, north of Ramona Expressway, and about 200 yd. west of the San Jacinto River. 427 Comment
  SBBG54315  Navarretia intertexta C. Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  CAS-BOT-BC109109  Nemacaulis denudata var. gracilis Barbara Ertter; Jeffrey Strachan 1980-5-20 3475 Riverside On north side of Whitewater Wash, west side Miles Avenue N of Highway 111 between Palm Desert and Indio at Indian Wells. 30 Comment
  SEINET4565894  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  UC77717 Image available Nemacaulis denudata var. gracilis S. B. Parish 1896-4-1 4140 Riverside Palm Springs Colorado Desert; Colorado Desert, Palm Springs Comment
  SEINET10461158  Nemacladus rubescens var. rubescens Piehl 1963-6-2 PIEHL 63547 A Riverside Along California Highway 74, 1.2 miles west of Mountain Center 1341 Comment
  JOTR35033  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3486 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA676047  Nemacladus tenuis var. aliformis Scott D. White 2001-4-17 8351 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA0003796  Nemophila bakeri C. F. Baker 1903-4-4 4123 Riverside Elsinore. Comment
  POM258226  Nemophila menziesii Lester Rowntree 1941-3-26 s.n. Riverside Soboba Springs. Comment
  UCR177946  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 016 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR93029  Nemophila menziesii G. P. Schultz 1994-4-7 83 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UCR119803  Nicotiana attenuata A. C. Sanders, Mitch Provance 1999-9-26 23093 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA80731  Nicotiana clevelandii F. W. Peirson 1928-3-10 7709 Riverside Along sides of main canyon near Hidden Springs, northeast of Mecca. Comment
  UCR90973  Nicotiana glauca Scott D. White 1996-2-18 3805 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  UCSB41769  Nicotiana glauca Weidert, E. 1970-2-14 Riverside 1 mi N Hartford Springs, 6mi. NW Perris Comment
  RSA0018756  Nicotiana obtusifolia Anstruther Davidson 1893-4-10 1936 Riverside Palm Springs. Comment
  RSA784954  Nicotiana obtusifolia Duncan S. Bell 2012-2-12 3112 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR178568  Nicotiana obtusifolia R. G. Swinney 1967-2-4 0010 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR233547  Nicotiana obtusifolia Jim Andre, Glenn L. Clifton 2011-2-22 17416 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UC1922320  Nicotiana quadrivalvis Scott D. White 2005-7-6 11156 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. Cabazon 7.5' Quad. Comment
  CLARK-A1528-5002  Nolina parryi John C. Roos 1965-7-18 Riverside San Jacinto Mountains Comment
  RSA58866  Nolina parryi Philip A. Munz 1950-6-23 14921 Riverside 1.5 miles SE of Kenworthy, south end of San Jacinto Mountains. 1524 Comment
  RSA0018415  Nuttallanthus texanus J. C. Roos 1947-3-15 3446 Riverside Valle Vista, San Jacinto Valley. Comment
  UC422970  Oenothera F. M. Reed 1903-10-2 264 Riverside 547 Chicago Ave. Riverside Comment
  JOTR30053  Oenothera californica subsp. avita La Doux, Tasha, Jade Mohajerin 2006-10-12 1663 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  POM96475  Oenothera californica subsp. californica P. A. Munz 1926-4-30 10375 Riverside Near Temecula. Comment
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Nov 17 2009
  SEINET6630452  Oenothera deltoides Robert L. Dressler 1949-3-19 418 Riverside 5 miles. North East of Desert Center Comment
  POM355592  Oenothera deltoides subsp. deltoides H. Green 1939-4-1 s.n. Riverside Palm Springs. Comment
  UC874003  Oenothera deltoides subsp. deltoides C. L. Hitchcock 1940-4-4 5944 Riverside Pinto Basin Comment
  UCR161199  Oenothera elata subsp. hirsutissima T. B. Salvato, Kelly Volansky 2003-3-27 120 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  POM265814  Oenothera laciniata J. C. Roos 1936-5-15 2259 Riverside La Sierra, western Riverside Co. Comment
  RSA726578  Oenothera primiveris subsp. bufonis Naomi S. Fraga, Lisa Rojas 2005-2-10 1418 Riverside Along Palen Road near Hwy 177. 170 Comment
  POM211589  Oenothera stubelii Unspecified s.n. Riverside San Gorgonia River Bridge near Cabazon. Comment
  RSA604766  Olea africana A. C. Sanders 1996-10-23 19643 Riverside Rubidoux Mt, NE foot of the Mtn above the end of 9th Street. 305 Comment
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Jun 26 2008
  RSA0112049  Olneya tesota Duncan S. Bell 2009-10-10 503 Riverside East side of the Arica Mountains; west side of Rice Valley. 211 Comment
  RSA698037  Olneya tesota J. R. Bruff 1928-12-29 403 Riverside Lone Cottonwood Ranch 2 mi. SE of Dos Palms. Comment
  UC52164  Olneya tesota E. E. Schellenger Jul 25 1903-Aug 14 1903 12 Riverside Chuckwalla Bench; Colorado Desert Comment
  RSA353376  Opuntia munzii A. C. Sanders 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd., 5.2 miles W of Graham Pass Rd., S side of the Chuckwalla Mountains. 640 Comment
  POM284052A  Opuntia vaseyi Lyman Benson 1955-12-6 15620 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA357376  Orcuttia californica F. W. Peirson 1922-5-19 3028 Riverside Menifee Valley Comment
  SD217186  Orcuttia californica D. Bramlet 1992-4-29 2253 Riverside Winchester 7.5 USGS; site is approximately 8 kilometers southwest of Hemet; vernal pools are located northwest of the intersection of California Avenue and Stowe Road (5-500 feet north of Stowe Road and 20-700 feet west of California Avenue) 455 Comment
  JEPS70887  Orobanche cooperi L. R. Heckard 1973-4-24 3320 Riverside 2.5 mi e Joshua Tree National Monument entrance (s tip of Eagle Mountains); Eagle Mountains 533 Comment
  UCR240643  Orobanche fasciculata Tracy Tennant, Mitch Provance 1998-6-16 MOR- 431 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  POM5276  Oxalis californica I. M. Johnston 1978-5-30 1998 Riverside Temescal Canyon 366 Comment
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Apr 6 2013
  UCR79208  Oxalis californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  UC6605  Oxyria digyna H. M. Hall 1897-8-11 794 Riverside n side San Jacinto Mt.; n side San Jacinto Mt.; elevation as 11800 ft 3293 Comment
  RSA64893  Oxytheca caryophylloides F. W. Peirson 1924-7-29 5019 Riverside 1 miles west of Fullers Mill on Banning to Idyllwild Road, San Jacinto Mts. 1768 Comment
  POM12952  Oxytheca trilobata P. A. Munz, I. M. Johnston 1922-5-21 5537 Riverside Hemet Valley. 1433 Comment
  RSA741191  Oxytheca trilobata Scott D. White, Justin M. Wood 2008-6-16 12130 Riverside San Jacinto Mountains: Fobes Ranch Road N of Quinn Flat 1390 Comment
  UCR222308  Oxytheca trilobata R. F. Thorne, W. Wisura, David Michener 1982-5-24 55191 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, [north] along Main Divide Truck Road [from El Cariso Fire Station area] 915 Comment
  POM202645  Paeonia californica Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  RSA500066  Paeonia californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3245 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  UC1287050  Paeonia californica C. L. Hitchcock 1966-3-15 24165 Riverside about 10 mi ne Temecula Comment
  CAS-BOT-BC327910  Palafoxia arida Geo. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert. Palm Springs Comment
  SBBG100852  Palafoxia arida W. L. Halvorson 1977-3-3 77 -70 Riverside near roadway of Interstate 10, 30 mi W of Blythe Comment
  UCD159794  Palafoxia arida var. arida Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1419 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  UCR100329  Palafoxia arida var. arida George K. Helmkamp 1997-11-1 2516 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCSB44687  Palafoxia arida var. arida Hibbard, Doug 1977-5-14 Riverside 75 yards off west side of Hwy. 74, 3.3 miles from its intersection with Hwy. 111 (Palm Desert area) 280 Comment
  UC69351  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork; San Jacinto Mountains, North Fork 914 Comment
  CLARK-A1528-1258  Panicum capillare John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  RSA0087456  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UC2028837  Panicum hirticaule subsp. hirticaule G. Rink with N. Kramer, C. Shohet 2012-9-11 11695 Riverside Along the powerline west of the Sonoran West substation about 20 miles west of Blythe. Comment
  VVC2045  Panicum hirticaule var. hirticaule Tim Thomas, Alice Karl 2011-10-18 5530 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  CAS-BOT-BC253897  Panicum urvilleanum S. C. Spencer 1999-7-1 DEC- 831 -1 Riverside San Jacinto Valley: bottom of San Jacinto River channel, about 100 m N of Main Street 488 Comment
  UCD90127  Panicum urvilleanum R. Tofsrud 1949-4-1 s.n. Riverside Hwy. 99 between Indio and Thousand Palms. Comment
  UCR43282  Panicum urvilleanum B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  RSA516425  Papaver californicum Walter Wisura 1990-5-2 4432 Riverside Ortega Hwy, at lower switchbacks above Lake [Elsinore] . Comment
  SD152790  Papaver californicum Steve Boyd, Carol Boyd and Kyle Boyd 1992-3-21 6736 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  SEINET270107  Papaver californicum Steve Boyd, Carol Boyd; Kyle Boyd 6736 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp 366 Comment
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Mar 1 2014
  UCR281269  Papaver californicum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 27 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
  UCR79251  Papaver californicum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6736 Riverside Santa Ana Mtns., San Mateo Cyn. Wilderness area. Tenaja Cyn, along trail from wilderness boundary down stream towards Fisherman's Camp 549 Comment
  CAS-BOT-BC403919  Parietaria hespera A. C. Sanders; G. K. Helmkamp; P. J. MacKay 1995-3-12 16099 Riverside Coachella Valley/Santa Rosa Mtns.: alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon. 12 Comment
  UCR126369  Parietaria hespera var. californica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 677 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR1556  Parietaria hespera var. californica David L. Davis 1962-4-15 27 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  JOTR30675  Parietaria hespera var. hespera La Doux, Tasha, Jim Andre 2008-3-21 139 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  RSA746822  Parietaria hespera var. hespera Michael Honer 2003-4-16 1834 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  HSC24930  Parkinsonia aculeata L. Zuckerman 1967-5-21 34 Riverside 12 mi. NNW of Indio at Thousand Palms Oasis in Indio Hills 457 Comment
  RSA0045516  Parosela parryi Mary Edmunds 1932-3-26 s.n. Riverside Oasis. [Most likely the city in Riverside County]. Comment
  CAS-BOT-BC355869  Pectis papposa var. papposa Ira L. Wiggins 1934-9-4 8035 Riverside Colorado Desert 31 miles west of Blythe on Mecca-Blythe highway Comment
  JEPS34823  Pectis papposa var. papposa Mary Beal 1939-10-25 709 Riverside Palm Springs Area Mojave Desert, Palm Springs Area Comment
  JOTR38523  Pectis papposa var. papposa Harding, Mitzi, Kipp Callahan 2012-8-27 292 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UC1532788  Pectis papposa var. papposa Robert F. Thorne 1966-10-15 41795 Riverside at foot Palms to Pines Highway (near Palm Desert); Dead Indian Canyon Comment
  UC2026451  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10049 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCR108481  Pectocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16228 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
  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
  CAS-BOT-BC227090  Pectocarya lateriflora A. C. Sanders 2011-4-7 39030 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR114826  Pectocarya linearis Mitch Provance, Seychelle Provance 1998-2-17 86 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
  UCR149845  Pectocarya linearis Scott D. White, Michael Honer 2004-4-6 10053 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR250362  Pectocarya linearis A. C. Sanders 2014-4-9 40993 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  CLARK-A1528-927  Pectocarya linearis subsp. ferocula Patricia A. Andrews 1975-3-13 5901 Riverside Rubidoux Comment
  POM9017  Pectocarya linearis subsp. ferocula P. A. Munz, R. D. Harwood 1920-3-20 3387 Riverside Temescal Canyon 366 Comment
  RSA585782  Pectocarya penicillata D. L. Banks, S. D. Boyd 1995-5-9 414 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  UC2015552  Pectocarya platycarpa A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15995 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
  SBBG81514  Pectocarya recurvata S. A. Junak 1983-3-23 1627 Riverside E side of Jefferson Rd opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR103272  Pectocarya recurvata B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3576 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
  UCR91517  Pectocarya recurvata A. C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  JOTR31974  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2210 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA77817  Pectocarya setosa F. W. Peirson 1921-3-21 4059 Riverside Gordon Trail from Andreas Canyon, east base of the San Jacinto Mtns. 1067 Comment
  UC454809  Pedicularis semibarbata I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  UCR503  Pellaea andromedifolia Dave Baasch 1972-2-17 720217- 2 Riverside San Jacinto Mountains, San Jacinto Creek 10 mi east of Hemet on State Hwy 74. 747 Comment
  UCR84214  Pellaea andromedifolia A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15906 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  UCR178509  Pellaea mucronata R. G. Swinney 1967-3-5 0046 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  CAS-BOT-BC71529  Pellaea mucronata var. californica S. B. Parish; W. F. Parish 1881-7-1 511 Riverside San Jacinto Mts. Comment
  JEPS20693  Pellaea mucronata var. mucronata Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6206 -A Riverside ca. 2 mi w of Ribbonwood (above CA Hwy 74 (Palms to Pines)); San Bernardino Nat'l Forest, sw base Santa Rosa Mts 1371 Comment
  RSA12931  Pellaea mucronata var. mucronata E. R. Johnson 1935-4-7 6321 Riverside N side of Cajalco Valley, Gavilan region 457 Comment
  JEPS7540  Penstemon X parishii H. M. Hall Jun 24 1901-Jun 25 1901 2267 Riverside w of main peak Mt. San Jacinto (slopes of Fuller`s Ridge, between Squirrel Creek and Salisbury's, near Box Spring, western Riverside County, Southern California); w of main peak Mt. San Jacinto, btw Squirrel Creek and Salis Comment
  NY1084028  Penstemon X parishii C. B. Wolf 1938-6-11 9416 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  RSA679101  Penstemon californicus Mark A. Elvin, Victoria Jotikasthira, Ron Wetherford, Jason Wetherford 1996-5-10 171 Riverside San Bernardino National Forest. [Garner Valley, San Jacinto Mtns]. 1372 Comment
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Dec 7 2007
  JEPS15120  Penstemon centranthifolius P. A. Munz and I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch Morongo Pass, Covington Ranch (Southern California) 762 Comment
  RSA502508  Penstemon centranthifolius Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3558 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UC886890  Penstemon clevelandii var. connatus P. A. Munz 1922-7-1 5931 Riverside Old Nicholas Canyon Santa Rosa Mts., Old Nicholas Canyon 1463 Comment
  RSA68357  Penstemon labrosus Verne Grant, Alva Grant 1951-7-20 16099 Riverside Idyllwild 1646 Comment
  UC219093  Penstemon pseudospectabilis P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4909 Riverside vicinity Corn Springs (Chuckwalla Mountains); Colorado Desert, , vic Corn Springs 457 Comment
  RSA0014856  Penstemon rostriflorus Philip A. Munz 1922-7-6 6007 Riverside Trail from Valley to Tahquitz Valley. 2134 Comment
  RSA401805  Penstemon spectabilis E. C. Jaeger 1921-6-24 s.n. Riverside Stratton's Ranch, McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  SDSU10974  Penstemon spectabilis Thomas A. Zink 1971-7-1 Riverside Alongside Indian Canyon rd. about 1 mile west of junction with Temescal Canyon Rd. at foot of Trabuco Peak. 518 Comment
  RSA96902  Penstemon spectabilis R. M. Straw 1953-6-24 482 Riverside 8 mi. S of Banning on Idyllwild Rd. 1220 Comment
  UCR117342  Penstemon spectabilis var. spectabilis Mitch Provance 1998-3-20 248 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  RSA180314  Pentachaeta aurea E. W. Lathrop 1959-4-2 4409 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  RSA0060323  Pentagramma triangularis Steve Boyd, Timothy S. Ross, Laurel Anrseth 1990-3-30 3965 A Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  SEINET9628509 Image available Pentagramma triangularis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23110 Riverside Along steep bank, 10 mi N of Pala, along road to Elsinore. Comment
  IRVC3159  Pentagramma triangularis subsp. triangularis R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  JOTR35352  Peritoma arborea var. angustata Andre, Jim 2012-4-11 20704 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SD216467  Peritoma arborea var. angustata Carol R. Annable, Lee Baron 1995-3-11 2268 Riverside Cactus City rest stop on Interstate 10. Comment
  POM41485  Perityle emoryi Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA0118595  Perityle emoryi Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA608393  Perityle emoryi L. S. Rose 1935-12-23 35687 Riverside Above Deep Canyon, San Jacinto Mts, 13 miles S of Cathedral City. 610 Comment
  SEINET213991  Perityle emoryi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-20 6416 Riverside Big Maria Mts 12 airline mi N of downtown Blythe. 290 Comment
  UCR148464  Perityle emoryi John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCSB6665  Perityle emoryi Haller, John 1959-3-22 Riverside Immediately S. of Hwy. 60-70, 5.8 miles E. of Desert Center Comment
  RSA445146A  Petalonyx linearis Fordyce Grinnell Jr. 1921-3-23 17834 Riverside Deep Canyon, Santa Rosa Mts. Comment
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Nov 19 2011
  UCR15388  Petalonyx linearis George K. Helmkamp 1977-3-20 s.n. Riverside western Colorado Desert, wash alongside Deep Canyon Reserve 305 Comment
  RSA134874  Petalonyx thurberi L. S. Rose 1959-1-10 59008 Riverside La Quinta 15 Comment
  RSA167782  Petalonyx thurberi Robert F. Thorne, R. Rutherford 1964-4-10 33599 Riverside At Desert Beach along NE side Salton Sea -61 Comment
  RSA503355  Petalonyx thurberi S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  CAS-BOT-BC326772  Peucephyllum schottii John Thomas Howell 1928-3-24 3532 Riverside Painted Canyon, Colorado Desert Comment
  JOTR29450  Peucephyllum schottii La Doux, Tasha, Mike Bell 2006-3-8 1348 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  RSA471972  Peucephyllum schottii Christopher Davidson 1979-4-4 7729 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA696804  Peucephyllum schottii J. R. Bruff 1932-3-21 s.n. Riverside Base at slope at Spring. 1000 Palms. Comment
  SD262206  Peucephyllum schottii A. C. Sanders, Jim Malusa 2017-1-14 42656 Riverside Sonoran (Colorado) Desert: Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas (Frink NW 7.5'Q) 118 Comment
  POM14741  Phacelia ambigua F. W. Peirson 1922-4-11 s.n. Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  RSA234102  Phacelia ambigua Robert F. Thorne, R. Carolin 1967-3-21 41632 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA550277  Phacelia ambigua Walter Wisura, J. Dolan, M. Wall 1992-3-24 4619 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  RSA74172  Phacelia ambigua F. W. Peirson 1920-2-16 971 Riverside Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. Comment
  HSC78992  Phacelia brachyloba K. Berg 1981-5-1 354 Riverside San Jacinto Mtns. along Banning-Idyllwild Hwy. (243) below Mt. Eden Comment
  RSA278975  Phacelia campanularia Barry A. Prigge, L. Martinez 1978-3-23 2427 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA23218  Phacelia campanularia subsp. vasiformis Ernest Braunton 1940-4-3 2010 Riverside 25 miles Northeast of Indio. Comment
  UC519860  Phacelia campanularia subsp. vasiformis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UC666577  Phacelia campanularia subsp. vasiformis Harlan Lewis and Carl Epling 1942-4-26 1606 Riverside Morongo Wash Comment
  UC881004  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6845 Riverside Cottonwood Springs Comment
  SJSU11234  Phacelia cicutaria var. hispida N. D. Addy 1962-4-16 Riverside Quail Flat E of Railroad Canyon c. 6.7 mi NE of Elsinore Comment
  UCR162839  Phacelia cicutaria var. hispida S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR225598  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-3-29 38842 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  CLARK-A1528-5437  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  SBBG35132  Phacelia crenulata T. L. Secrest 1948-4-7 Riverside near Desert Hot Springs 213 Comment
  RSA0043232  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-20 302 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC1426600  Phacelia crenulata var. ambigua Noel H. Holmgren and Patricia K. Holmgren 1973-3-21 6429 Riverside 12 airline mi n downtown Blythe; Big Maria Mountains 289 Comment
  UCR241427  Phacelia crenulata var. ambigua Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 25 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  RSA0110948  Phacelia crenulata var. ambigua Michael Honer, L. Hulse 2005-3-7 2030 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  JEPS2379  Phacelia distans Dr. L. M. Newlon 1922-4-3 437 Riverside Andreas Canyon San Jacinto Mts. Comment
  JEPS2381  Phacelia distans Dr. L. M. Newlon 1922-4-3 425 Riverside 6 mi w Indian Wells; Colorado Desert, Coachella Valley Comment
  SD72092  Phacelia distans John Thomas Howell 1930-5-10 4791 Riverside St. John's Grade Comment
  UC881082  Phacelia distans I. W. Clokey and E. G. Anderson 1930-4-11 4681 Riverside n Palm Springs; Colorado Desert 170 Comment
  UCR152640  Phacelia distans A. C. Sanders 2005-4-22 29605 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR198194  Phacelia distans Michael Honer, L. Hulse 2004-4-3 1920 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  RSA595740  Phacelia imbricata Louis C. Wheeler 1945-10-6 6135 Riverside Head of west fork of Snow Creek. 2378 Comment
  RSA133587  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside Idyllwild, San Jacinto Mts. Comment
  CSUSB147  Phacelia minor Mike Meloy 1964-5-7 640507 6 Riverside Box Springs Mountains Box Springs Mountain- Lower slopes. 365 Comment
  JEPS24830  Phacelia minor Peter M. Ray 1949-3-12 1353 Riverside 2 mi w Whitewater (n side of valley); Coachella Valley 457 Comment
  RSA678361  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10498 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
  SDSU18779  Phacelia minor C. Matt Guilliams 2008-2-13 453 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  UCR41359  Phacelia minor N. M. Fellows 1985-3-16 108 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UCR47234  Phacelia minor B. G. Pitzer, L. F. LaPre 1987-3-2 0441 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA645684  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  UCR123875  Phacelia ramosissima var. latifolia Steven R. Hill 2001-5-3 33662 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  POM145512  Phalaris lemmonii J. B. Feudge 1927-4-12 1898 Riverside Temescal Canyon 351 Comment
  UCR260311  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  RSA459263  Pholistoma auritum E. Crow 1929-4-7 298 Riverside Corona Skyline Drive, Santa Ana Mountains. Comment
  SDSU12866  Pholistoma auritum J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 19 Riverside At gate to Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 354 Comment
  UC1930199  Pholistoma racemosum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10491 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA0123183  Phoradendron bolleanum Duncan S. Bell, LeRoy Gross 2016-3-30 9171 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  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
  RSA420780  Phoradendron californicum Ora M. Clark 1929-3-17 1737 Riverside West of Indio. Comment
  RSA640172  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  SFV17321  Phoradendron californicum J. N. Hogue, J. D. Dilley 1998-4-23 108 .4 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCR133554  Phoradendron californicum E. K. Balls 1949-4-4 12972 Riverside Sonoran (Colorado) Desert, Desert Beach on Hwy 111 -46 Comment
  UCR167301  Phoradendron californicum Scott D. White 2005-3-29 10830 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
  OBI12426  Phoradendron libocedri Louis C. Wheeler 1931-10-3 243 Riverside 1.5 I NW Tahquitz Peak, San Jacinto Mts 1920 Comment
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Jul 9 2012
  UCR35312  Phoradendron tomentosum subsp. macrophyllum L. B. Ziegler 1977-12-20 578 Riverside San Jacinto Valley Comment
  RSA296146  Phoradendron villosum Barry A. Prigge 1980-8-18 3973 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  RSA682578  Phoradendron villosum George K. Helmkamp 1995-11-16 119 Riverside San Jacinto Mountains. along Hwy 243 at Lake Fulmor. [UTM 10km cell: NH-2E, 4N. Black Mtn.] 1616 Comment
  JEPS8994  Physalis crassifolia W. L. Jepson 1927-4-11 11628 Riverside Whitewater 457 Comment
  RSA101223  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  RSA800060  Physalis crassifolia Jim Andre 2012-3-19 21301 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  RSA85931  Pilularia americana F. W. Peirson 1922-4-29 2922 Riverside South of Lake Elsinore. 381 Comment
  UCR131461  Pinus coulteri June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
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Mar 29 2014
  RSA384341  Pinus jeffreyi M. B. Dunkle 1933-7-21 3734 Riverside Idyllwild 1616 Comment
  UCR240645  Pinus jeffreyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 438 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCSB69  Pinus jeffreyi Bobkowski, Jr., Vincent 1960-5-15 Riverside 5.2 miles north of Idyllwild on Road to banning in the San Jacinto Mountains; San Bernardino National Forest Comment
  RSA0077533  Pinus lambertiana G. Wallace 1964-4-26 s.n. Riverside Idlewild area. Comment
  UCSB99  Pinus monophylla Cline, C. 1960-5-15 Riverside Edge of Pinon Flats Camp; 15.5 miles SW of Palm Desert; San Bernardino National Forest 1219 Comment
  HSC79815  Pinus quadrifolia D. H. Wilken 1965-3-1 61 Riverside Paradise Valley S end of Thomas Mtn., San Jacinto Mtns. 1433 Comment
  SD227711  Pistacia atlantica A. C. Sanders, G. Helmkamp 1997-3-15 20004 Riverside Peninsular Range: Lake Skinner, cultivated at the Multiple Slpecies Reserve Headquarters, east of the lake. 473 Comment
  CDA2640  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert; Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. Comment
  UCR107706  Pityrogramma triangularis var. triangularis A. C. Sanders 1997-3-1 19735 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
  UCR91740  Plagiobothrys arizonicus A. C. Sanders, J. Goetzen 1996-5-1 18139 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA673469  Plagiobothrys canescens Scott D. White, Tasha La Doux 2000-4-20 7701 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SD178181  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles west-northwest of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 462 Comment
  SEINET242060  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2001-3-30 23859 Riverside Perris-Aguanga Basin region: Temecula, Long Canyn W of Del Rey Rd, along bottom of canyn W of jnxn of Av. Pina Colada 366 Comment
  UCR49259  Plagiobothrys canescens Steve Boyd 1986-4-2 1627 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM9009  Plagiobothrys canescens P. A. Munz, R. D. Harwood 1920-3-20 3396 Riverside 5 miles S of Corona. 305 Comment
  UCR121810  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-4-17 24058 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR128317  Plagiobothrys collinus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  UCR152648  Plagiobothrys collinus A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR239790  Plagiobothrys collinus O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; hills above (south of) UCR Botanical Garden 436 Comment
  RSA655091  Plagiobothrys collinus var. californicus Scott D. White 2000-4-17 7651 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UCR250570  Plagiobothrys collinus var. fulvescens A. C. Sanders 2014-4-18 41037 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. near Horsethief Canyon Road, east of Horsethief Canyon Wash and site of old DePalma's Italian Village Restaurant 381 Comment
  UCR272260  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  RSA713570  Plagiobothrys leptocladus R. E. Riefner Jr. 2005-4-22 5 -241 Riverside Patton Rd. at Patterson Ave. 452 Comment
  JEPS68148  Plagiobothrys tenellus W. L. Jepson 1935-4-17 19147 Riverside 1.5 mi n Elsinore 457 Comment
  RSA695840  Plagiobothrys tenellus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  SBBG133367  Plagiobothrys tenellus S. D. White, J. M. Wood 2008-5-15 12000 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  UCR97668  Plagiobothrys tenellus A. C. Sanders, G. Helmkamp 1997-3-15 19961 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  SD132885  Plagiobothrys undulatus Tim Cass 1979-6-1 203 Riverside Mesa de Colorado, Vernal Pool C Comment
  RSA601785  Plantago bigelovii subsp. californica D. Bramlet 1997-3-13 2491 Riverside Nichols road Wetlands, the site is located 335m SE of Nichols road, 91m W of Collier Ave, 305 m W of the I 15. The locality is W of Existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  UCR138911  Plantago elongata Julie A. Greene 1993-4-10 1184 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  UCR92094  Plantago lanceolata Scott D. White, S. Ogg 1994-10-17 2465 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  CDA6611  Plantago major G. D. Barbe, J. L. Johnson 1983-1-25 4038 Riverside Bank of Colorado River at Water Wheel Recreation Area, Highway 395. 0 Comment
  UCR275539  Plantago ovata D. E. Bramlet 2010-3-1 4458 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  JOTR35035  Plantago ovata var. fastigiata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3488 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA314639  Plantago ovata var. fastigiata Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55434 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SBBG7272  Plantago ovata var. fastigiata C. H. Muller 1952-4-5 9488 Riverside White Water Cyn, 1 mi above White Water Comment
  UC28029  Plantago patagonica H. M. Hall Jun 1901 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  HSC85459  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA0013020  Platystemon californicus LeRoy Gross, Grace Cho 2013-4-9 6004 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
  UC167977  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UC64140  Platystemon californicus Miss Daisy M. Harris May 1897 Riverside Winchester Comment
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Mar 20 2011
  UCR132499  Platystemon californicus Michael D. Wilcox, Nathan Moorhatch 2003-4-4 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 396 Comment
  RSA0013229  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 45 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  HSC66615  Pleurocoronis pluriseta Christopher Davidson, Josephine Jones 1980-4-4 9948 Riverside Orocopia Mtns., W end of mountains almost due S of Oro Peak 518 Comment
  JEPS18552  Pleurocoronis pluriseta John Thomas Howell 1928-1-29 3299 Riverside Painted Canyon Colorado Desert Comment
  RSA472089  Pleurocoronis pluriseta Christopher Davidson 1980-4-4 9948 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
  UC501498  Pleurocoronis pluriseta D. A. Johansen and J. A. Ewan 1932-4-12 7107 Riverside above Coachella Valley; Colorado Desert, Devils Canyon Comment
  UC604958  Pleurocoronis pluriseta Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9572 Riverside 2 mi up Painted Hills; Mecca Hills Comment
  UC729734  Pleurocoronis pluriseta Carl B. Wolf 1932-4-27 3045 Riverside 1 mi off Mecca-Blythe Road (lower end of Lost Palms Canyon at first rocky hills); Colorado Desert, Lost Palms Canyon 243 Comment
  UCR103706  Pleurocoronis pluriseta B. G. Pitzer 1998-1-24 3410 .1 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
  UCR163656  Pluchea sericea Scott D. White 1993-7-1 1607 Riverside Peninsular Range; Perris-Aguanga Basin Region, Wilson Creek, at point where it crosses Sage Rd (Hwy R3), c. 2 rd. miles N of Radec 494 Comment
  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
  POM1241  Poa secunda I. M. Johnston 1917-4-4 1009 Riverside Palm Canyon, near Palm Springs. 457 Comment
  RSA792570  Poa secunda Justin M. Wood 2011-4-4 3390 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  RSA614165  Poa secunda subsp. secunda D. L. Banks 1997-2-23 1312 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
  RSA791519  Poa secunda subsp. secunda Jim Andre 2012-4-16 20961 Riverside Joshua Tree National Park;; north side of Mt Ryan at Sheep Pass Campground area. 1370 Comment
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Sep 10 2013
  RSA678954  Polycarpon tetraphyllum Scott D. White, Michael Honer 2003-6-3 9460 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR84055  Polycarpon tetraphyllum A. C. Sanders, L. Ard 1994-7-11 15054 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  UC667275  Polygala acanthoclada Annie M. Alexander and Louise Kellogg 1941-5-18 2195 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  UC2031359  Polygonum arenastrum Duncan S. Bell with Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, and Gene Ratcliff 2013-4-7 4776 Riverside E side of Arica Mountains; W side of Rice Valley approx. 6 air miles SE of the ghost town of Rice or approx. 5.25 air Miles ESE of Priests Well. Comment
  UCR88166  Polygonum argyrocoleon A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16075 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  RSA180479  Polygonum aviculare subsp. aviculare E. W. Lathrop 1960-6-7 4905 Riverside 14 miles west of Murrieta. Comment
  JOTR32468  Polygonum aviculare subsp. depressum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2613 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
  POM248407  Polygonum fusiforme Philip Crow 1939-7-12 s.n. Riverside Blythe. Comment
  UC582926  Polygonum hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside below Rincon; Santa Ana River Comment
  RSA612810  Polypodium californicum Darin L. Banks 1997-3-1 1359 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  SEINET7048052  Polypogon australis Steven R. Hill 2001-4-29 33527 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  SEINET10522814  Polypogon interruptus David B. Dunn, A. Folsom 1948-6-17 Dunn 3798 Riverside At camp in Pushawalla canyon under palms. Comment
  RSA97132  Polypogon maritimus C. K. Buechner 1955-5-29 C 73 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  RSA588605  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 0816 A Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  SD234028  Polypogon monspeliensis Nancy Ryan Zabriskie 1973-3-21 593 Riverside Deep Canyon, north slope, Santa Rosa Mountains. In front of Deep Canyon Research Center building. 292 Comment
  UCR207621  Polypogon monspeliensis O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  RSA588816  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 768 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
  RSA588603  Polypogon viridis D. L. Banks, Steve Boyd 1995-10-17 814 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  LA208534  Populus fremontii subsp. fremontii Mary V. Hood; 1945-3-25 45- 17 -k* Riverside Aguanga 587 Comment
  RSA512162  Porophyllum gracile Ed LaRue 1989-5-3 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  UCR68618  Porophyllum gracile Steve Boyd, D. E. Bramlet 1990-4-29 4485 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  RSA180483  Potamogeton foliosus E. W. Lathrop 1960-6-9 4971 Riverside 14 miles west of Murrieta. Comment
  RSA286796  Potamogeton foliosus Robert F. Thorne 1974-5-23 44659 Riverside Santa Rosa Plateau, Rancho California; near junction of Tenaja Road and road to ranch headquarters. 610 Comment
  RSA575894  Potamogeton foliosus Steve Boyd 1994-10-14 8387 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
  SD232323  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Mesic meadow and adjacent uplands. 1584 Comment
  RSA0107465  Prenanthella exigua Duncan S. Bell, Amanda Turek 2009-3-30 161 Riverside East side of the Arica Mountains; approximately 1.3 air miles west northwest of Priest Well. 381 Comment
  UC2026428  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 Riverside COLORADO-MOJAVE DESERT TRANSITION, LITTLE MARIA MOUNTAINS: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. Comment
  CAS-BOT-BC206977  Prosopis glandulosa var. torreyana W. R. Dudley 1903-12-27 s.n. Riverside Palm Springs Comment
  POM257189  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles east of Blythe, Palo Verde Valley 76 Comment
  UC489222  Prunus emarginata C. V. Meyer 1928-7-31 606 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2286 Comment
  CAS-BOT-BC151114  Prunus fremontii Walter Knight; Irja Knight; Fred Klein 1969-3-31 2651 Riverside Ca. .2 mi. up Carrizo Rd. from Pines to Palms Hwy. 1097 Comment
  RSA453238  Prunus fremontii Anstruther Davidson 1893-4-10 1844 Riverside Palm Springs. Comment
  RSA701211  Prunus fremontii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Taquitz canyon Comment
  SD229261  Prunus fremontii Dick Schwenkmeyer 2013-6-11 917 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  SDSU9172  Prunus ilicifolia subsp. ilicifolia H. Wedberg 1962-7-28 987 Riverside 6.0 miles from Mountain Center on the road to Hemet, Idyllwild Mtns. 1219 Comment
  UCR35159  Prunus virginiana var. demissa L. B. Ziegler 1972-5-5 451 Riverside San Jacinto Mtns., Hemet (Garner) Valley area in Apple Canyon (east of the Hemet Lake.) 1448 Comment
  RSA695729  Psathyrotes ramosissima Keith E. Hoffmaster 1937-6-6 s.n. Riverside Desert grade of Palms to Pines Highway. Comment
  RSA785020  Psathyrotes ramosissima Duncan S. Bell 2012-3-18 3191 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UC990729  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Thousand Palms Indio Hills Comment
  CAS-BOT-BC356340  Psathyrotes ramosissima R. F. Hoover 1966-10-15 10159 Riverside Dead Indian Creek wash, south of Palm Desert Comment
  CAS-BOT-BC356596  Pseudognaphalium biolettii Nancy Ryan Zabriskie 1973-4-6 624 Riverside Along trail ca 25' N of stream, ca 30 yds downstream from Big Pool. Andreas Canyon, E slope San Jacinto Mtns. (Site A-1) 335 Comment
  SD137888  Pseudognaphalium biolettii Darin L. Banks, Steve Boyd 1995-3-16 106 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. East of the Dripping Springs Alcove, north slope of Wildhorse Peak, on the Wildhorse Trail. 609 Comment
  SD186105  Pseudognaphalium biolettii A. C. Sanders 2004-4-20 27549 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCSB33382  Pseudognaphalium biolettii Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W. of orange grove at 3000 McAllister Rd. in Riverside 457 Comment
  JOTR32526  Pseudognaphalium luteoalbum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2607 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
  RSA674601  Pseudognaphalium stramineum Scott D. White 2000-8-5 8099 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UC468788  Pseudognaphalium stramineum E. E. Schellenger 1906-4-3 13 Riverside Paloverde Valley Colorado Desert, Paloverde Valley Comment
  UC64844  Pseudognaphalium stramineum E. A. Zumbro 1904-1-1 422 Riverside Cold Water Canyon Santa Ana Mts., Cold Water Canyon Comment
  UC485673  Pseudognaphalium thermale A. J. Perkins 1916-9-17 Riverside Idlywild <may be Idlewild> San Jacinto Mt., Idlywild Comment
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Oct 19 2008
  UCR178153  Pseudotsuga macrocarpa Tracy Tennant 1998-3-10 MOR- 1110 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  SD146004  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 west of Warren Road. 456 Comment
  UCR67301  Psilocarphus brevissimus var. brevissimus A. C. Sanders, E. Rey, D. Willick 1991-4-19 10922 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR239508  Psilostrophe cooperi A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40511 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  CAS-BOT-BC353581  Psorothamnus arborescens var. simplicifolius H. M. Hall 1901-6-1 2008 Riverside San Jacinto Mountains, Canyon of the San Jacinto River 670 Comment
  RSA698041  Psorothamnus arborescens var. simplicifolius J. R. Bruff 1928-4-2 92 Riverside Whitewater. Comment
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Jan 14 2010
  SEINET3407778 Image available Psorothamnus arborescens var. simplicifolius A. Stanley 1969-5-3 48 Riverside 2 miles from Morango Valley Rd. on Dillion Rd. Little San Bernardino Mountains 457 Comment
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Jun 12 2019
  UC52158  Psorothamnus arborescens var. simplicifolius E. E. Schellenger Jul 25 1903-Aug 14 1903 7 Riverside between Palm Springs and Whitewater; between Palm Springs and Whitewater Comment
  HSC14686  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  SEINET3131125  Psorothamnus emoryi var. emoryi M. J. Gilman 1904-1 52 Riverside Colorado Desert Comment
  UC1329930  Psorothamnus polydenius James E. Cole 1941-5-22 769 Riverside Ruby Lee Mill Site 914 Comment
  HSC84094  Psorothamnus schottii Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 6401 Riverside Road to Painted Canyon, Mecca Hills Comment
  JEPS41676  Psorothamnus schottii W. L. Jepson 1927-4-14 11704 Riverside Silent Canyon Colorado Desert, , Silent Canyon (se end Santa Rosa Mts.) Comment
  RSA654883  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  SEINET2063920 Image available Psorothamnus schottii Norman C. Cooper 1949-4-8 3250 Riverside Mecca Pass E of Indio. 457 Comment
  SEINET238186  Psorothamnus schottii T. B. Salvato, A. C. Sanders; M. Provance 2000-4-18 47 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills W edge of Coachella Canal. 9 Comment
  POM96259  Psorothamnus schottii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  SEINET4037230  Psorothamnus spinosus G. T. Manthey 1977-1 1642 Riverside 10 miles east of Mecca on road going toward Joshua Tree National Monument. Comment
  UC534841  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 243 Comment
  RSA0062671  Pteridium aquilinum R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  RSA771694  Pterostegia drymarioides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4690 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR137495  Pterostegia drymarioides D. L. Banks, V. W. Steinmann 1997-3-13 1526 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR177991  Pterostegia drymarioides S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  JOTR32194  Purshia tridentata var. glandulosa Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. 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
  SEINET13382482 Image available Quercus Mitch Provance 2009-1 17424 Riverside Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  LA205350  Quercus X acutidens Jonathan Sauer; Frank C. Vasek 1973-9-26 5544 Riverside Mesa de Colorado SW of Murrieta Comment
  RSA477085  Quercus agrifolia Mark Morris 1929-3-17 14899 Riverside Palm Canyon. Comment
  UC847809  Quercus agrifolia I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4735 Riverside Gavilan Peak, ravine bottom 600 Comment
  UCR92665  Quercus agrifolia Scott D. White, S. Douthit 1996-3-31 3850 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  RSA78297A  Quercus agrifolia var. agrifolia P. A. Munz, E. K. Balls 1952-8-21 17994 -A Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  UCR158900  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31551 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  UCR158908  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31562 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR250921  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 5 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR94493  Quercus berberidifolia Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills, 'Blue Oak Canyon,' tributary of Dawson Canyon draining N flank of Estelle Mountain. 427 Comment
  UCD45547  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive, Riverside Co. Elevation 4000'. 1219 Comment
  SEINET7048004  Quercus chrysolepis var. nana Steven R. Hill, Kate Kramer and family 2001-4-26 33471 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  RSA697631  Quercus dumosa Unspecified 1928-12-4 394 Riverside 3/4 mi. West of Split Rock. Comment
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Oct 23 2011
  UC5839  Quercus engelmannii Samuel B. Parish 1891-11-3 2251 Riverside near Murietta (e side of Coast Range); Coast Range Comment
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Jul 15 2009
  JOTR31148  Quercus john-tuckeri La Doux, Tasha 2009-6-3 1857 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  JOTR36185  Quercus john-tuckeri La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3334 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  UCD46896  Quercus lobata J. M. Tucker; D. Q. Cavagnaro 1965-10-2 3886 Riverside (Q. turbinella Greene subsp. californica Tucker). In wash at Live Oak Tank, 75-100 feet from Q. turbinella subsp. Californica (introgressed with Q. dumosa); Joshua Tree National Monument, Riverside County, California. Comment
  UCD166226  Quercus turbinella Jack Major 1962-4-16 769 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UC1584070  Quercus wislizeni Steve Boyd and Dave Bramlet 1988-10-8 2868 Riverside sw of Anza (at head of Bautista Canyon); Cahuilla Mountain, Bautista Canyon Comment
  UCD170489  Quercus wislizeni Tom Scott Apr 2011 2011- 571 -.3 Riverside San Bernardino Mountains: South side of mountains in Banning Canyon on USFS road 2S01, c. 6.5 miles up canyon. 1492 Comment
  RSA215586  Quercus wislizeni L. B. Ziegler 1969-10-24 s.n. Riverside Kenworthy Ranger Station. Hemet Valley, San Jacinto Mts. 1418 Comment
  SACT002731  Quercus wislizeni var. frutescens A. Delisle 1961-6-25 Riverside Alendale Pines Riverside, Ca Comment
  SDSU13980  Quercus wislizeni var. frutescens Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2107 Riverside Just south of wet meadow region. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  RSA560406  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR116590  Rafinesquia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24175 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR149843  Rafinesquia californica Scott D. White, Michael Honer 2004-4-6 10038 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  CLARK-A1528-2075  Rafinesquia neomexicana John C. Roos 1947-3-1 3304 Riverside Garnet Comment
  RSA278989  Rafinesquia neomexicana B. A. Prigge 1978-3-23 2439 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UC219557  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside meadow n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  CAS-BOT-BC378984  Ranunculus aquatilis var. diffusus P. A. Munz 1922-4-28 5022 Riverside 5 mi northwest of Corona in small branch of Chino Creek 229 Comment
  CAS-BOT-BC378494  Ranunculus californicus var. californicus Lyman Benson 1932-3-26 3164 Riverside 3 mi N Temecula; San Jacinto Mt. Range 457 Comment
  SDSU1243  Raphanus sativus D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  RSA544285  Raphanus sativus Steve Boyd 1991-6-14 6362 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SEINET11261099  Raphanus sativus N. Duane Atwood 1993-3-26 17687 Riverside 6 miles NE of San Juan Capistrana along Hwy 74.; 0 Comment
  CAS-BOT-BC59509  Rhamnus crocea B. Pitzer 1998-1-25 3422 Riverside Lakeview Mts: Maze Stone County park, at N terminus of California Avenue. 499 Comment
  CLARK-A1528-802  Rhamnus crocea Stanley W. Austin 1969-5-15 42 Riverside Santa Ana Mountains 0 Comment
  CAS-BOT-BC56044  Rhamnus ilicifolia H. E. McMinn 1925-7-1 1489 Riverside Control at base of grade to Idyllwild, San Jacinto Mts. Comment
  CAS-BOT-BC56047  Rhamnus ilicifolia B. D. Stark 1933-2-19 4530 Riverside 2 1/2 mi. East of Nuevo 457 Comment
  RSA503418  Rhamnus ilicifolia J. D. Olmsted 1962-5-10 3627 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UCR154841  Rhamnus ilicifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29282 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA20098  Rhamnus tomentella subsp. cuspidata I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. 1650 Comment
  CAS-BOT-BC200731  Rhus aromatica Peter H. Raven 1958-5-18 12980 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  UCR239902  Rhus integrifolia O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, at top of North Peak 762 Comment
  CLARK-A1528-5483  Rhus laurina John C. Roos 1954-7-10 6191 Riverside Box Springs Mountains 487 Comment
  SD144093  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  SD71843  Rhus ovata Helen V. Witham 1969-7-2 213 Riverside Sandia Creek, on road from DeLuz to Murietta. 299 Comment
  RSA476255  Ribes californicum var. hesperium E. Crow 1929-3-17 212 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UC79638  Ribes cereum A. W. Anthony 1895-7-7 Riverside San Jacinto Mountain 2743 Comment
  LA205623  Ribes nevadense Carl Epling; William Robison 1935-6-30 sn Riverside above Marion Camp, Mt. San Jacinto Comment
  RSA50328  Ribes roezlii E. K. Balls 1949-5-4 1348 Riverside 0.5 mile south of Vista Grande Ranger Station, San Jacinto Mts. 1494 Comment
  UCR209336  Ribes roezlii Fred M. Roberts, Robt. L. Allen 2008-6-23 7055 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  UCR62862  Romneya coulteri Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  CDA36186  Romneya trichocalyx A. C. Sanders 2010-5-19 38414 Riverside Riverside West 7.5; Peninsular Range/San Bernardino Valley Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. Comment
  SD145977  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR177429  Rorippa curvisiliqua Scott D. White 2003-10-9 9818 Riverside San Jacinto Mountains, Pine Cove. Lily Creek just north of crossing at Hwy 243 1738 Comment
  UCR84611  Rorippa nasturtium-aquaticum Scott D. White, S. Ogg 1994-4-21 2005 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR59669  Rorippa palustris subsp. occidentalis Steve Boyd, L. Arnseth, T. S. Ross 1989-5-7 3553 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA788096  Rosa californica Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49552 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UC12864  Rosa californica Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  UC12971  Rubus parviflorus Harley P. Chandler 1897-7-23 Riverside Deep Creek San Bernardino Mts., Deep Creek 1524 Comment
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Nov 26 2011
  RSA561071  Rumex conglomeratus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UC452559  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside railway water works, Mecca Salton Sink -57 Comment
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Feb 3 2011
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  CLARK-A1528-768  Rumex salicifolius Bruce Freeman 1968-5-22 680522-2 Riverside Riverside Comment
  UCR281807  Rumex salicifolius Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 97 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  RSA586294  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-5-3 204 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
  RSA586307  Sagina decumbens D. L. Banks, Steve Boyd 1995-5-3 0218 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
  CAS-BOT-BC103896  Salix exigua Ivan Johnston 1917-4-4 1068 Riverside Andreas [Canon] Canyon 289 Comment
  HSC66447  Salix exigua Christopher Davidson, B. Gustafson 1977-4-7 593 Riverside Whitewater Canyon Road, (exit from I-10, 2.5 mi. W of junction I-10 with State 62, near start of Angeles Crest Trail.) 610 Comment
  POM184904  Salix exigua H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UCR232041  Salix exigua John F. Green 2008-4-22 04- 04 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  RSA92695  Salix exigua F. W. Peirson 1924-12-30 5410 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  SEINET10965411  Salix exigua David B. Dunn 1946-2-22 Dunn 1946 Riverside Collected on the n side of whitewater colorado desert. Comment
  JOTR30774  Salix exigua var. exigua La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1886 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UC498067  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n Elsinore (along small stream) 304 Comment
  POM319271  Salix gooddingii Patricia Wilder 1970-10-30 4829 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. 152 Comment
  UC492427  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside 3 meters above its mouth Diablo Canyon (near Clary's Coral Reef Ranch); Colorado Desert, foot of e slope Santa Rosa Mts., Diablo Can Comment
  UC634547  Salix laevigata H. L. Mason 1928-3-10 4170 Riverside Snow Creek Colorado Desert, White Water River Valley, Snow Creek Comment
  POM319099  Salix lasiolepis Patricia Wilder 1970-10-30 4830 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. 152 Comment
  UCR201490  Salix lasiolepis Scott D. White, Justin M. Wood 2008-5-15 11963 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UCR45119  Salsola paulsenii L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA0095102  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3877 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
  RSA0094988  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92 -021 Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive & Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  SDSU7465  Salvia apiana S. J. Barnhard 1966-4-17 660417 -5 Riverside SW facing slope of small hill .1 mile East of McAllister St. Along the Metropolitan Water Co. Utility Rd (Dirt), which is 1.5 miles SE of he intersection of Mcallister St and Victoria Ave. 457 Comment
  UC61511  Salvia apiana L. D. Copeland Apr 1904 Riverside West Canyon West Canyon, Palm Springs; Palm Springs Comment
  UCR123873  Salvia apiana Steven R. Hill 2001-4-29 33536 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  RSA733973  Salvia carduacea Keith E. Hoffmaster 1937-6-6 762 Riverside Near Valle Vista, Hemet Valley. Comment
  CSUSB1063  Salvia columbariae Rodney Hendrick 1965-3-14 Riverside In sandy area, dry wash, Box Canyon about 8 miles east of Mecca 182-274 Comment
  RSA613630  Salvia columbariae D. L. Banks, Victor W. Steinmann 1997-3-13 1487 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
  RSA770428  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4871 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
  RSA774716  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4520 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCLA70033  Salvia columbariae Virginia Mars 1951-4-21 Riverside Hidden Springs Comment
  UCSB11998  Salvia columbariae Schevill, Peggy 1963-5-5 Riverside Joshua Tree Woodland; About 5 miles north by northwest; Pinyon Flats Campground; Calif Hwy 74 1021 Comment
  UCSB5777  Salvia columbariae Stoppel, Gordon 1958-3-22 Riverside Off side road; at campsite near Indio highway; several miles from Indio Comment
  LA98415  Salvia dorrii L. Wester; 1970-4-18 11 Riverside Granite Mountains, Cottonwood Canyon Comment
  SD70009  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia and Chocolate Mountains. 121 Comment
  UC1179540  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside E of and 3.6 mi on road up S side of Orocopia Mtns Coachella Canal; Orocopia Mtns Comment
  UCR18806  Salvia greatae John C. Roos 1963-11-2 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek wash c. 3 mi NE of Dos Palmas Spring Comment
  SBBG99475  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UCR107389  Salvia mellifera B. G. Pitzer 1997-3-23 2970 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR138652  Salvia mellifera D. L. Banks 1997-4-5 1663 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR251307  Salvia mellifera T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7428 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  CAS-BOT-BC233350  Salvia vaseyi H. M. Hall 1901-5-1 1878 Riverside Eastern base, along the borders of the Colorado Desert, San Jacinto Mountains Comment
  RSA640158  Salvia vaseyi Louis C. Wheeler 1955-6-16 7160 Riverside Palm to Pines Highway: at culvert P5.53 610 Comment
  UCR3325  Salvia vaseyi Anne Brown, C. Brown 1964-4-11 11464- 4 Riverside Santa Rosa Mtns, Palms to Pines Hwy 1067 Comment
  UC2031940  Salvinia minima R. E. Riefner Jr. 2009-2-25 09 -17 Riverside City of Lake Elsinore, S side of Temescal Wash, W of Highway 74, vicinity of Bromley Ave. at Bennett St. Comment
  JEPS57289  Sambucus mexicana L. R. Heckard and R. C. Bacigalupi 1968-5-5 1805 Riverside 2.6 mi n Radec 548 Comment
  RSA0106414  Sambucus mexicana Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed above Market St. Bridge. Comment
  UCR121647  Sanicula bipinnatifida A. C. Sanders, Kent Beaman 2002-5-10 25050 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
  SDSU9908  Sarcodes sanguinea unknown 1935-5-1 Riverside Idyllwild Comment
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Jan 24 2013
  UCR161404  Sarcostemma cynanchoides A. C. Sanders, Mike Misenhelter 2005-9-20 31686 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
  GMDRC3102  Sarcostemma hirtellum J. Andre, T. La Doux 2008-9-13 10263 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  UCR4041  Schinus molle Carole Sims 1965-2-25 s.n. Riverside Riverside, hills above Piedmont Drive 262 Comment
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  RSA774723  Schismus barbatus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4501 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD146082  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 548 Comment
  CAS-BOT-BC111278  Schoenoplectus acutus var. occidentalis C. Epling; J. Ewan 1933-6-1 s.n. Riverside South shore, Lake Elsinore Comment
  UCSB56476  Schoenoplectus acutus var. occidentalis Thorne, Robert; Tilforth, C.; DeBuhr, L. 1975-8-29 Riverside Santa Rosa Plateau: just SE of Tenaja Guard Station; off Tenaja Truck Trail 609 Comment
  UCR121818  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24600 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR235087  Schoenoplectus californicus A. C. Sanders, John F. Green 2012-5-27 40209 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  RSA289862  Schoenoplectus maritimus B. A. Prigge 1980-12-15 4114 Riverside Whitewater Marsh: 4 miles S of Mecca. -70 Comment
  CAS-BOT-BC111020  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. Confluence. 365 Comment
  RSA522113  Scirpus microcarpus Steve Boyd, Timothy S. Ross 1989-8-28 3806 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR195097  Scirpus microcarpus A. C. Sanders, Tim Thomas 2008-8-1 35951 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR89807  Scirpus microcarpus Scott D. White 1993-5-27 1416 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CAS-BOT-BC341098  Scutellaria mexicana Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA0041451  Scutellaria mexicana Duncan S. Bell, LeRoy Gross 2014-3-20 6286 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR202587  Scutellaria siphocampyloides Scott D. White, Justin M. Wood 2008-7-8 12378 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA560835  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UC1595563  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1991-5-22 6300 Riverside e of Dorland Mountain (base of Agua Tibia Mountain, w of Kolb Creek); Agua Tibia Mountain, Vail Lake area 548 Comment
  SD67927  Sedum niveum Reid Moran 1968-8-3 15346 Riverside On northeast slope, 1.0 mile northwest of Toro Peak. 2250 Comment
  UCR269175  Sedum spathulifolium Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5011 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  CAS-BOT-BC62084  Selaginella eremophila S. B. Parish 1914-4-6 9030 Riverside Mountain Springs, Colorado Desert Comment
  UC306702 Image available Selaginella eremophila I. M. Johnston 1917-4-4 1047 Riverside Palm Canyon 304 Comment
  RSA482013  Selaginella watsonii Richard Noyes, L. Arnseth 1988-9-10 724 Riverside San Jacinto Mountains. North slope of Tahquitz Peak. 2682 Comment
  CAS-BOT-BC323964  Senecio flaccidus var. douglasii F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  UC575024  Senecio flaccidus var. monoensis C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Wells; Little San Bernardino Mts. Comment
  RSA703815  Senecio mohavensis LeRoy Gross 2005-3-3 1592 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA726570  Senecio mohavensis Naomi Fraga, Lisa Rojas 2005-2-10 1410 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR18629  Senecio mohavensis John C. Roos, Lucille Roos 1949-4-10 4223 Riverside Sonoran (Colorado) Desert, Chuckwalla Mts, canyon 3.5 mi. SE of Desert Center 612 Comment
  SDSU12241  Senecio vulgaris Shasta Gaughen, M. G. Simpson 2000-4-1 3 Riverside Comment
  UCR122744  Senna covesii George K. Helmkamp, E. A. Helmkamp 1998-4-24 3378 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  UCR41630  Senna covesii A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen, R. Kniffen 1986-3-3 6073 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC212967  Sesuvium verrucosum I. M. Johnston, P. A. Munz 1918-4-27 2165 Riverside south-eastern end of Lake Elsinore Comment
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Nov 20 2011
  UCR2737  Setaria parviflora F. M. Reed 1908-7-29 2553 Riverside South Coast; San Bernardino Valley, Riverside: upper side of Gage Canal near 8th Street bridge 311 Comment
  SACT002095  Setaria verticillata Malcolm Nobs, Galen Smith 1948-9-3 Riverside 2 miles north of Indio. Comment
  UC1026580  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside corner Iowa Ave. & 8th. St. e. of Riverside 304 Comment
  UCR171963  Sidalcea malviflora John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  SEINET13709268  Sidalcea malviflora J. Adams, J. Adams (Botany) 1966-1 751 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  CLARK-A1528-619  Sidalcea malviflora subsp. malviflora Charlotte Stocks 1962-5-23 Riverside San Jacinto Mountains Comment
  RSA433908  Sidalcea malviflora subsp. sparsifolia Elbert Benjamine 1929-5-18 219 Riverside Mt. San Jacinto 1372 Comment
  CAS-BOT-BC434394  Sidotheca trilobata A. C. Sanders; Mitch Provance 2008-7-11 35762 Riverside Peninsular Range; San Jacinto Mtns.: 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad. 1494 Comment
  RSA525341  Silene antirrhina Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4440 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment