Search Results — 2000 specimen records retrieved (1900 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR63918  Abies concolor Frank C. Vasek 1976-7-4 760704- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  CAS-BOT-BC229339  Abronia villosa Philip A. Munz 1937-5-31 15113 Riverside Below Anza Tablet [Table], head of Coyote Canyon 1005 Comment
  CAS-BOT-BC229343  Abronia villosa W. R. Dudley 1903-12-30 s.n. Riverside Near Thousand Palms Comment
  JEPS61238  Abronia villosa Mary Beal 1939-10-25 707 Riverside Between Coachella Palm Springs; Mojave Desert Comment
  SDSU8425  Abronia villosa var. aurita H. Wedberg 1962-7-28 990 Riverside On Hwy 74 between Hemet Meadow and Santa Rosa Summit. 1372 Comment
Read comments
Jan 24 2013
  UC1234717  Abronia villosa var. aurita Philip A. Munz 1957-6-6 22731 Riverside 2 mi n Alberhill; Temescal Canyon Comment
  UCR180340  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR59503  Abronia villosa var. aurita Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3240 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  UCR214293  Abronia villosa var. villosa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37510 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR253375  Acacia Lauren Velasco 2014-9-2 s.n. Riverside Sonoran Desert; Coachella Valley, La Quinta Park in La Quinta, near the intersection of Adams St. and Blackhawk Way 27 Comment
  POM13607  Acamptopappus sphaerocephalus var. sphaerocephalus E. C. Jaeger 1921-4-1 1138 Riverside Mission Creek Wash Comment
  RSA0117838  Acamptopappus sphaerocephalus var. sphaerocephalus Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7803 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  UCR169320  Acer negundo T. B. Salvato, John F. Green 2004-5-27 619 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
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  CAS-BOT-BC20353  Achillea millefolium Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  RSA599121  Achnatherum coronatum V. W. Steinmann, D. L. Banks 1996-4-20 837 Riverside Agua Tibia Mountains, ca. 15 km east of Temecula, less than 1 km south of Route 79 at the Dorland Mountain Arts Colony, just southwest of the administration building., ca. 33?28'N, 117?01'W 500 Comment
  JOTR00963  Achnatherum hymenoides Cole, James E. 1941-1 982 Riverside Joshua Tree National Park. PINE CITY ROAD Comment
  RSA801948  Achnatherum latiglume LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6159 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  SBBG57048  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2590 Comment
  CHSC26095  Achnatherum parishii Dieter H. Wilken 1965-6-29 387 Riverside West end of the Hemet Valley (Garner Valley) near lake Hemet San Jacinto Mtns. 1371 Comment
  UC1133244  Achnatherum speciosum A. Lewis 1933-4-2 181 Riverside San Jacinto quadrangle Comment
  CAS-BOT-BC384733  Achyronychia cooperi Lewis S. Rose 1936-12-29 36836 Riverside La Quinta. Alt. sea level Comment
  OBI26118  Achyronychia cooperi David J. Keil 1976-12-12 11919 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  SBBG1973  Achyronychia cooperi H. and M. Dearing 1939-12-31 4793 Riverside near Cathedral City Comment
  UCD84935  Achyronychia cooperi Chuck Hughes 2010-3-23 207 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  SDSU12998  Acmispon americanus var. americanus Michael G. Simpson 1999-10-27 2032 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SEINET1869493  Acmispon brachycarpus A. C. Sanders, T. B. Salvato 2005-1 29763 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  CHSC888  Acmispon rigidus V. Holt 1937-4-10 Riverside Santa Rosa mountains. Comment
  UCSB54191  Acmispon rigidus McKinley, Gale 1985-3-26 Riverside 1/4 mile east of site #9 in Ryan Campground in boulder area in Joshua Tree National Monument 1310 Comment
  CAS-BOT-BC22558  Adenophyllum porophylloides Harvey Keith Wagnon 1944-5-25 394 Riverside North side Tahquitz Canyon, Palm Springs Comment
  UCR35168  Adenostoma fasciculatum L. B. Ziegler 1967-7-5 171 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  RSA711116  Adenostoma fasciculatum var. fasciculatum M. Wall, Del Wiens, Clyde Calvin 2005-12-4 408 Riverside At highway maintenance dirt road jct. along Highway 243, ca. 2.5 miles N. of Mountain Center. 1524 Comment
  UCR35154  Adenostoma sparsifolium L. B. Ziegler 1964-8-24 38 Riverside San Jacinto Mtns., Garner [Hemet] Valley 1402 Comment
  UC4153  Agave deserti C. Van Deventer 1901-1 Riverside e face San Jacinto Mt. Comment
  RSA783630  Agoseris retrorsa J. D. Olmsted 1962-5-3 Riverside East slope of Baldy Mt., along pines to Palms Hwy., 1.5 mi S of 4936' summit south of Mt. Center 1505 Comment
  UCSB6322  Agoseris retrorsa Keator, Glenn 1959-5-16 Riverside About 11 miles northeast of Idyllwild on Banning-Idyllwild highway, San Jacinto Mountains Comment
  POM49466  Agrostis exarata P. A. Munz, I. M. Johnston 1924-7-28 8816 Riverside Pine Flats 1738 Comment
  RSA263175  Agrostis idahoensis J. C. Roos 1937-8-18 465 Riverside Round Valley, San Jacinto Mountains. Comment
  RSA674734  Agrostis pallens Scott D. White, K. Szabo 2000-5-31 7986 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR201412  Agrostis viridis Justin M. Wood 2008-9-30 175 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA450097  Alchemilla occidentalis J. C. Roos 1950-4-22 4751 Riverside On the hills N.E. of the summit of Reche Canyon. 823 Comment
  RSA23240  Aliciella latifolia Ernest Braunton 1940-03 2045 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  JOTR35090  Aliciella latifolia subsp. latifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3541 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  OBI26126  Aliciella latifolia subsp. latifolia David Keil 1976-12-12 11904 Riverside 5 miles E. of Indio along I-10. Larrea-Atriplex desert. Comment
  HSC25444  Allenrolfea occidentalis R. W. Spjut 1972-1-6 2101 Riverside Colorado Desert, common at the NE shore of the Salton Sea. -61 Comment
  UC61551  Allenrolfea occidentalis Miss Mary McKibben 1904-4-18 Riverside Mecca Colorado Desert, Mecca -5 Comment
  RSA0026136  Allionia incarnata Deidre Conocchioli, Caitlin Elam 2013-10-2 76 Riverside SW of Bristol Mtns Wilderness Area. From Blythe, head northwest on the Mildland-Rice Rd for 9.6 miles. Turn right onto unmarked BLM Rd and follow NE for 1.6 miles to collection site. 307 Comment
  RSA462621  Allionia incarnata Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SD134564  Allium fimbriatum var. munzii Craig Reiser 1989-4-19 Riverside Southwestern flank of 'Alberhill' in western county. (IPB 2/08) Comment
Read comments
Nov 16 2010
  SEINET3884723  Allium haematochiton Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4063 Riverside Vail Lake area, summit of 'Big' Oak Mtn. at E end.; 0 792 Comment
  JEPS47552  Allium marvinii Frank W. Peirson 1921-3-19 2394 Riverside 4 mi w Beaumont Comment
  CAS-BOT-BC132014  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills: E edge of plateau remnant of ridge E of Estelle Mt., S of Dawson Canyon 670 Comment
  UCR142192  Allium munzii June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  RSA495442  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2970 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA673549  Allium peninsulare Scott D. White, Tasha LaDoux 2000-4-20 7703 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA680941  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River: Riverside, UCR campus, between East Campus Drive and Parking Lot 10 335 Comment
  RSA751183  Allium unifolium S. Morgan 1995-5-18 s.n. Riverside UCR Botanical Garden. Emma Swets Bilb Garden, Garden Grid Cell E-9. Comment
  SD107766  Allophyllum glutinosum C. W. Tilforth, B. Busenberg 1980-6-10 1978 Riverside 0.1 mile in from Highway 74 on north leg ot Thomas Mountain Road, 1.0 mile south of Lake Hemet. 1387 Comment
  RSA484740  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  UCR196896  Alnus rhombifolia A. C. Sanders, D. L. Sanders 2008-9-27 36102 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA234060  Alopecurus saccatus R. F. Thorne, Earl Lathrop 1969-5-12 37944 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR6069  Althaea rosea Jeanne E. Barnhill 1966-4-30 s.n. Riverside Riverside [downtown area], NW corner of intersection of 1st (First) Street and Mulberry, 20 yards from intersection. 262 Comment
  UCR281910  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2017-9-21 43352 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  RSA715263  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  HSC92618  Amaranthus retroflexus J. J. Jimenez-Osornio 1986-11-6 2 Riverside Corona 186 Comment
  UCR125274  Amaranthus retroflexus A. C. Sanders 2002-11-21 25641 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA0094888  Ambrosia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41712 Riverside Temescal Valley near Glen Ivy, along Temescal Canyon Rd. at Campbell Ranch Rd. intersection. 323 Comment
  UC2015638  Ambrosia X platyspina A. C. Sanders with K. Rose 1995-4-27 16744 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree National Park Comment
  CAS-BOT-BC13616  Ambrosia acanthicarpa H. S. Gentry 1954-7-26 14252 Riverside Dripping Springs along route 79 Comment
  SEINET2073811  Ambrosia acanthicarpa S. Rhodes 2000-9-14 148 Riverside Desert Center, Dillon Road exit off I-10, sandy, disturbed area in Larrea tridentata desert. 274 Comment
  UCR128253  Ambrosia acanthicarpa A. C. Sanders, Kelly Volansky 2003-10-16 27343 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA736034  Ambrosia confertiflora Scott D. White, Jamie Minor 2008-3-13 11765 Riverside San Gorgonio Pass: Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR109521  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands, W of Beaumont, south side of Hwy 60, 2 miles west of Jackrabbit Trail 686 Comment
  CHSC8082  Ambrosia dumosa Edward L. Smith 1957-4-3 264 Riverside Located 1 mi. N of 29 Palms, Calif on Hwy. 99. San Bernadino Mtns. 91 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
  RSA696751  Ambrosia dumosa J. Russell Bruff 1927-3-13 3 -a Riverside Thousand Palms Comment
  CLARK-A1528-1541  Ambrosia psilostachya John C. Roos 1937-8-17 1218 Riverside Hemet Comment
  RSA388418  Ambrosia psilostachya R. F. Thorne, Steve Boyd, Earl W. Lathrop 1985-7-18 61194 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR34911  Ambrosia psilostachya L. B. Ziegler 1967-9-18 247 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  UCR174450  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32375 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR230057  Ambrosia pumila Tara Schoenwetter 2011-7-15 s.n. Riverside Peninsular Range, Alberhill, east of Lake St. at NW end of Alberhill Mountain, S of I-15 and opposite the end of Temescal Canyon Rd. 379 Comment
  CAS-BOT-BC273006  Ambrosia salsola Winfield 1975-4-27 2412 Riverside Snow Creek Rd ~3 mi from Hiway 111 Comment
  SEINET2052883 Image available Ambrosia salsola George K. Helmkamp, E. A. Helmkamp 1998-2-18 2744 Riverside Chuckwalla Mts., raham Pass Rd. 10.6 mi. SSW of Chuckwalla Valley Rd. 487 Comment
  SEINET10797866  Ambrosia salsola David B. Dunn 1946-3-15 Dunn 2042 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  UC472696  Amelanchier utahensis M. F. Spencer 1922-6-6 Riverside Mt. Tahquitz; San Jacinto Mts. 2696 Comment
Read comments
Jul 5 2008
  UCR35166  Amelanchier utahensis L. B. Ziegler 1969-6-30 391 Riverside Peninsular Ranges/ San Jacinto Mountains, Hemet Valley. Side canyon on west side of Valley opposite Kenworthy Ranger Station 1433 Comment
  UCR113991  Ammannia robusta Mitch Provance, A. C. Sanders 2000-7-4 2103 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA787989  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 571 Riverside Cleveland National Forest. Roadside. Comment
  UC13288  Amorpha fruticosa H. M. Hall June, 1901 2121 Riverside San Jacinto Mts.; e base, along borders of Colorado Desert Comment
  POM184172  Amsinckia intermedia P. A. Munz 1932-3-24 12025 Riverside North of Lake Elsinore. 305 Comment
  RSA543139  Amsinckia intermedia Steve Boyd 1991-3-17 5506 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  POM96828  Amsinckia intermedia F. M. Reed 1926-5-8 5331 Riverside Near summit of Temescal Canyon highway. Comment
  RSA499877  Amsinckia menziesii E. A. McGregor 1965-4-20 s.n. Riverside Near Aguanga, along Rt. 79. Comment
  UC56854 Image available Amsinckia tessellata H. M. Hall 1902-4-7 2761 Riverside vicinity of Perris; ; vicinity of Perris, Riverside Co. 548 Comment
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Jan 1 2007
  UCR152528  Amsinckia tessellata A. C. Sanders 2005-4-22 29595 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  JEPS49777  Amsonia tomentosa I. T. Weeks 1930-3-30 Riverside <Mousen ?> Canyon Colorado Desert, Eagle Mts., Munsen Canyon Comment
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Jul 5 2010
  RSA234062  Anagallis minima Robert F. Thorne, E. Lathrop 1969-5-19 37969 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  SJSU15324  Anaphalis margaritacea B. SMith 1986-4-21 39 Riverside 1 mile east of Blair Valley. 975 Comment
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Aug 19 2015
  IRVC3694  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  SEINET6810127  Anisocoma Unknown 1997-3-16 Riverside 22 air miles SE of Palm Springs; Palm Springs; 22 air miles SE of Comment
  UC29461  Anisocoma acaulis H. M. Hall 1901-6-1 Riverside s side, wooded slopes and benches San Jacinto Mountains 1737 Comment
  CAS-BOT-BC79933  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  CAS-BOT-BC79938  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  SEINET6755346 Image available Antennaria rosea H. M. Hall 1901-1 2401 Riverside San Jacinto Mountains 2835 Comment
  RSA557573  Anthemis cotula Julie Greene 1993-5-12 1294 b Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  RSA735863  Anthriscus caucalis Scott D. White, Justin Wood 2008-4-16 11893 Riverside Menifee Valley, N of Newport Rd. Drainage ditch down stream from golf course. 436 Comment
  UC444962  Antirrhinum coulterianum Katharine Brandegee 1896-4-10 Riverside Agua Caliente Comment
  RSA425814  Antirrhinum filipes E. C. Jaeger 1922-04 717 Riverside Chuckwalla Bench Comment
Read comments
May 29 2011
  RSA650898  Antirrhinum filipes W. M. Zabriskie 1973-4-4 s.n. Riverside East slope of San Jacinto Mountains, Andreas Canyon area, on trail toward Eagle Peak. 732 Comment
  RSA78730  Antirrhinum filipes Philip A. Munz 1952-4-15 17345 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  UC1262268  Antirrhinum kelloggii E. W. Lathrop 1969-5-8 7010 Riverside trail between El Carriso and San Mateo Canyon (Main Divide Truck, Santa Ana Mountains); Santa Ana Mountains, Cleveland National Forest 1219 Comment
  RSA689390  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-17 9546 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR116075  Antirrhinum nuttallianum O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  UCR154379  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-6-15 30957 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR116968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2001-5-3 24093 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR133670  Apiastrum angustifolium Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  SD122932  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Road, 7 miles west of Rancho California. 365 Comment
  RSA335037  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  RSA680164  Apocynum cannabinum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8624 -B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA482604  Arabis perennans E. C. Jaeger 1922-6-29 s.n Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  POM184120  Arabis pulchra var. gracilis P. A. Munz, CL Hitchcock 1932-4-9 12242 Riverside 10 miles SE of Windmill Tank Comment
  RSA0128857  Arabis sparsiflora Scott D. White, Justin M. Wood 2009-5-21 12835 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  JEPS40125  Arceuthobium campylopodum Carl V. Meyer 1929-1-5 688 Riverside Tahquitz Ridge San Jacinto Mtns 1981 Comment
  RSA629373  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16862 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629424  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16847 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  SD254598  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42621 Riverside San Jacinto Mountains: Highway 74 below McGaugh Road, west slope of the mountains at mile post 58.19, below Mountain Center. 1310 Comment
  UCD51032  Arctostaphylos glandulosa I. W. Clokey; E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek. 1500 Comment
  UCR26224  Arctostaphylos glandulosa John C. Roos 1947-3-15 3328 Riverside San Jacinto Mtns, grade above the San Jacinto River 1067 Comment
  CAS-BOT-BC23119  Arctostaphylos glandulosa subsp. glandulosa W. Pequenat 1940-4-13 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
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Mar 13 2018
  RSA629394  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19518 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UC922081  Arctostaphylos glandulosa subsp. zacaensis Frank W. Gould 1943-4-18 2134 Riverside mt. slopes 8 mi e Idlewild Comment
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Sep 29 2011
  JEPS38730  Arctostaphylos glauca Marjorie D. Clary 1934-4-23 Riverside se Kenworthy; Santa Rosa Mts. 1371 Comment
  RSA631758  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15066 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631803  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20166 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 6 km south of Pinyon Pines, Santa Rosa Mountains. 1585 Comment
  UC535008  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 1/2 mi sw summit of Moreno Grade (sw of Beaumont); Bad Lands 609 Comment
  UCR139049  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mtns, Agua Tibia Mtns, 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 427 Comment
  RSA633604  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22518 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633710  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21761 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633728  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16626 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  CAS-BOT-BC44361  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UC748985  Arctostaphylos pringlei subsp. drupacea Susan Delano McKelvey 1936-3-16 5083 Riverside Palms to Pines Hwy San Jacinto Mts. 1371 Comment
  RSA635805  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16551 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  RSA635807  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16537 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  RSA750750  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SBBG5490  Arctostaphylos pungens M. Van Rensselaer 1937-6-24 Riverside Santa Rosa Indian Reservation Comment
  UCD53754  Arctostaphylos pungens A. E. Wieslander 1936-8-29 682 Riverside Tahquitz Pk. Road. 1524 Comment
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Dec 15 2011
  RSA636006  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19553 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636029  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15060 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  UCR61702  Arctostaphylos rainbowensis S. J. Myers 1990-3-21 s.n. Riverside Santa Rosa Plateau area: along Los Gatos Road, 1/2 mi south of Buena Vista Road (2 mi west of Sandia Canyon and 0.1 mi north of San Diego County line) 366 Comment
  UCR68857  Arenaria douglasii Steve Boyd, T. S. Ross 1990-5-11 4646 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  RSA652543  Argemone munita subsp. munita G. Foster 1961-4-30 s.n. Riverside Palm Canyon, Palm Springs. Comment
  JOTR31851  Aristida adscensionis La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2109 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  SEINET191852  Aristida adscensionis C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring Comment
  UCSB36482  Aristida adscensionis Gordon, Patricia 1980-3-9 Riverside Box canyon, 6 mi SE of Mecca on CA 195 60 Comment
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May 27 2009
  POM1093  Aristida adscensionis var. modesta I. M. Johnston 1918-4-27 1861 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  UCD56549  Aristida purpurea var. nealleyi Alan A. Beetle 1946-6-10 4406 Riverside Near Palm Springs. Comment
  UCD56874  Aristida ternipes var. gentilis H. S. Yates 1937-6-27 6709 Riverside lower San Jacinto River Canyon. 640 Comment
  UC1931001  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside at 4291 Alta Vista Dr. Comment
  CAS-BOT-BC90197  Artemisia californica Frank W. Peirson 1922-12-27 3338 Riverside between the forks, Andreas Canyon, Palm Springs region, Colorado Desert 609 Comment
  UCR220001  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UC29672  Artemisia dracunculus H. M. Hall 1901-6-8 2012 Riverside San Jacinto River Canyon San Jacinto Mountains, San Jacinto River Canyon 762 Comment
  UC63059  Artemisia dracunculus H. M. Hall 1901-8-6 2622 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
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Sep 21 2006
  CDA20369  Artemisia ludoviciana subsp. incompta H. R. Leach 1958-9-12 s.n. Riverside Southern California; Mt. Center. 0 Comment
  UCR100164  Artemisia ludoviciana subsp. incompta Scott D. White 1992-12-16 985 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  POM13402  Artemisia ludoviciana subsp. ludoviciana E. C. Jaeger 1922-8-20 1011 Riverside Long Valley to Palm Springs Trail 1829 Comment
  UCR34905  Artemisia tridentata L. B. Ziegler 1964-8-10 003 Riverside San Jacinto Mtns, Garner Valley 1375 Comment
  CAS-BOT-BC222820  Asclepias albicans H. M. Hall 1905-5-1 6025 Riverside Colorado Desert. Pinto Mts. Comment
  RSA792557  Asclepias erosa Duncan S. Bell 2012-9-13 4184 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
  CLARK-A1528-123  Asclepias fascicularis Charlotte Stocks 1964-8-24 Riverside San Jacinto Mountains Comment
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Feb 4 2016
  POM48555  Asclepias subulata F. W. Peirson 1924-12-30 5420 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  RSA784752  Asclepias subulata Duncan S. Bell 2012-2-12 3096 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC1719654  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  POM48847  Aster hesperius Mr Grout, S. Grout 1900-9-27 s.n. Riverside Cienega Comment
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Jul 4 2010
  CLARK-A1528-5445  Aster menziesii John C. Roos 1951-10-19 Riverside San Timoteo Canyon dry, semi-alkaline road side; with Artemisia douglasiana and Distichlis stricta; ; El Casco 7.5' 609 Comment
  RSA653655  Aster subulatus A. C. Sanders, Mitch Provance 1999-9-26 23126 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
  CAS-BOT-BC177462  Astragalus aridus Roxana S. Ferris 1953-3-9 12599 Riverside Near junction of U.S. 60 & 70 with Desert Hot Springs road Comment
  JOTR30888  Astragalus coccineus La Doux, Tasha, E. Babich, N. Pietrasiak 2008-4-21 2093 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of East Deception Canyon 1446 Comment
  POM1994  Astragalus didymocarpus Robinson, Crocker 1916-4-3 s.n Riverside Elsinore region. Comment
  CAS-BOT-BC182587  Astragalus didymocarpus var. dispermus Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  CAS-BOT-BC182588  Astragalus didymocarpus var. dispermus John Thomas Howell 1928-3-11 3440 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  UCR195095  Astragalus douglasii A. C. Sanders, Tim Thomas 2008-8-1 35935 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UC14752  Astragalus douglasii var. parishii H. M. Hall June, 1901 2123 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); eastern base San Jacinto Mountains, Colorado Desert Comment
  HSC85262  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  RSA524458  Astragalus gambelianus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4061 Riverside Vail Lake Area, summit of Big'' Oak Mts. at E end. 792 Comment
  RSA560364  Astragalus gambelianus Steve Boyd 1992-4-14 6817 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
  HSC78590  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 Riverside 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  SEINET10446005 Image available Astragalus insularis var. harwoodii Marc A. Baker, Michelle Cloud-Hughes 2015-2-21 18273 Riverside 6.3km ENE of Vidal Junction, 8km SSW of Savahia Peak, 67km NNW of Blythe 306 Comment
  UCR228168  Astragalus insularis var. harwoodii Dave Silverman, Onkar Singh 2010-3-25 7844 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, 4.3 km E of Black Creek Rd, 1.2 km W of McCoy Wash and c. 6 km N of Blythe Airport 139 Comment
  UCSB45547  Astragalus insularis var. harwoodii Roos, John 1958-3-15 Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  HSC66565  Astragalus lentiginosus var. coachellae Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7815 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  POM1694  Astragalus lentiginosus var. coachellae I. M. Johnston 1917-4-4 1065 Riverside Whitewater. Comment
  POM27038  Astragalus lentiginosus var. coachellae George B. Grant 1906-4-8 6714 Riverside Palm Springs. Comment
  SBBG82058  Astragalus lentiginosus var. coachellae J. M. Stewart 1985-3-17 8513 Riverside Thousand Palms area, Bob Hope Drive, 0.5 mi S of Ramon Rd 85 Comment
  UCR274969  Astragalus lentiginosus var. coachellae Youssef C. Atallah 2016-4-27 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, Snow Creek Road c. 0.6 mile SW of Hwy 111 362 Comment
  RSA498234  Astragalus lentiginosus var. variabilis Robert L. Dressler 1949-3-19 417 Riverside 5 miles NE of Desert Center. Comment
  UCR109472  Astragalus nuttallianus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA777331  Astragalus nuttallianus var. imperfectus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 828 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR277105  Astragalus pachypus var. jaegeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3770 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 Comment
  CAS-BOT-BC192765  Astragalus palmeri Peter H. Raven 1958-5-6 12926 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert Comment
  RSA415417  Astragalus palmeri L. E. Hoffman 1932-11-26 s.n. Riverside Pinon Flats, San Jacinto Mts. Comment
  UCR243516  Astragalus palmeri Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21074 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CAS-BOT-BC194127  Astragalus pomonensis Ira W. Clokey; C. B. Clokey; B. C. Templeton 1935-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
  CAS-BOT-BC194128  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside 3 miles west of Beaumont near junction. Comment
  CSUSB1292  Astragalus pomonensis Heather Johnston 1967-4-9 040967 2 Riverside 1.2 miles south on Lawless Road from Route 395 exit. 50 yards up turnoff road, 5 yards from roadside (right side). 365 Comment
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Apr 6 2013
  RSA192131  Astragalus pomonensis E. W. Lathrop 1964-5-10 5357 Riverside 10 miles west of Murrieta. 610 Comment
  RSA492850  Astragalus pomonensis Bill Wagner 1988-3-9 s.n Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
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Mar 20 2011
  RSA618384  Astragalus pomonensis D. L. Banks 1997-5-5 1981 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SEINET5540495  Astragalus pomonensis H. S. Gentry 1954-1 14253 Riverside Dripping Springs, along Route 79. Comment
  UCD105190  Astragalus pomonensis Lawson 1930-3-12 s.n. Riverside Perris. Comment
  CAS-BOT-BC193173  Astragalus sabulonum Ira L. Wiggins 1938-3-19 8901 Riverside Colorado Desert 25 mi. W. of Blythe Comment
  POM15204  Astragalus sabulonum Mary F. Spencer 1922-3-29 1655 Riverside Mecca -49 Comment
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Feb 17 2013
  UCR37709  Astragalus sabulonum A. C. Sanders, J. M. Stewart 1985-3-24 5408 B Riverside Western Colorado Desert, Coachella Valley, flats along Box Canyon Rd. (Hwy 195), 2.5 mi east of Mecca, 0.7 mi east of Grant Street -15 Comment
  RSA0120242  Athysanus pusillus Duncan S. Bell 2016-4-14 9275 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCR91225  Athysanus pusillus Scott D. White 1996-3-31 3866 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  POM254744  Atrichoseris platyphylla Philip A. Munz 1940-3-24 15696 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 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
  UCR89777  Atriplex argentea Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA592068  Atriplex argentea subsp. expansa R. E. Riefner 1996-6-20 96 -118 Riverside Near Ramona Freeway, San Jacinto Valley Comment
  CLARK-A1528-5402  Atriplex canescens John C. Roos 1951-10-19 5326 Riverside San Jacinto Valley 457 Comment
  CLARK-A1656-894  Atriplex canescens Lois Ann Scott 1977-11-18 Riverside Palm Springs Comment
  POM278666  Atriplex canescens Grant D. Brown 1949-12-14 469 Riverside 1.5 miles W of White Water Comment
  SEINET3930643  Atriplex canescens Grant D. Brown 1950-3-29 520 Riverside Aguanga on highway #79.; 0 549 Comment
  SEINET3930666  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway sliding), 4.5 miles Southeast of Mecca, Colorado Desert. Lower Sonoran Zone.; 0 610 Comment
  RSA760811  Atriplex canescens var. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-31 117 Riverside PCT Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111. 740 Comment
  CAS-BOT-BC227862  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7827 Riverside South Palen Lake, Chuuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km N of Interstate 10 128 Comment
  RSA0015058  Atriplex coronata var. notatior D. E. Bramlet, F. Roberts, I. Anderson 2005-6-10 3877 Riverside 4.5 miles west of Hemet, 2000 feet south of Stetson and 700 feet east of California. 456 Comment
  RSA601788  Atriplex coronata var. notatior D. E. Bramlet 1997-3-13 2498 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  UCD169503  Atriplex coronata var. notatior Mitch Provance 2005-5-17 6594 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 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. 396 Comment
  UCR266256  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3924 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west Hemet area, north of Stetson Ave. and east of the EMWD canal 456 Comment
  RSA0039845  Atriplex hymenelytra Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC along the north fence, 0.5-1 mile north of Folgers Oasis. Comment
  UCR148037  Atriplex hymenelytra Steve Boyd, Et al. 2004-5-14 11247 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR279381  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2017-3-24 42969 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  SD48525  Atriplex lentiformis E. K. Balls, P. C. Everett 1957-11-5 22758 Riverside South of Thermal, State Highway 111. 29 Comment
  SEINET11940360  Atriplex lentiformis T. J. Crovello 1963-1 298 Riverside Just W of State Highway 111, on Avenue 64, N of Mecca Comment
  RSA289850  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-9-17 4057 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  UCR253361  Atriplex serenana var. davidsonii Karyn L. Drennen, Ana Hernandez 2013-3-26 022 Riverside Perris Aguanga Basin, San Jacinto Wildlife Area, 186 meters east of Davis Road, 1.6 kilometers north Ramona Expressway 436 Comment
  CAS-BOT-BC176759  Atriplex serenana var. serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side of Latham St., ca. 1/8 mile W of intersection with Keats Dr. 245 Comment
  UCR267435  Atriplex serenana var. serenana D. E. Bramlet 2005-7-27 3907 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  UCR91951  Atriplex suberecta George K. Helmkamp 1996-1-23 999 Riverside Colorado River Valley, 1.5 mi. NE of Blythe, at c. Intake Blvd and 10th Avenue. 82 Comment
  RSA757728  Avena barbata LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4355 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SDSU12930  Avena barbata Jutta Buschbom 1991-5-1 3 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SD137968  Avena fatua Darin L. Banks, Steve Boyd 1995-5-9 321 Riverside NW Palomar Mtns, N of the Agua Tibia Wilderness Area, N slope of Agua Tibia Mtns, the Dorland Mt., area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 730 Comment
  SEINET10656976  Avena fatua Nye Leith, Greg Gust 2005-3-11 Nye 59 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR121330  Avena fatua A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24989 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  POM319734  Baccharis emoryi Patricia Wilder 1971-11-17 5321 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  RSA518205  Baccharis emoryi O. F. Clarke 1970-10-20 s.n. Riverside Growing wild at the UCR Botanic Gardens, on the Campus of University of California Comment
  UCR166164  Baccharis salicifolia John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR174351  Baccharis salicifolia A. C. Sanders 2006-5-19 32392 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC106674  Baccharis salicina A. C. Sanders; P. MacKay; C. L. Sanders; G. Helmkamp; J. Stewart 1994-12-4 15882 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, -22 Comment
  SD144064  Baccharis salicina A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart & C. L. Sanders 1994-12-4 15882 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area, San Andres palm grove, 1.75 km WSW of Rancho Dos Palmas, marked see on Durmid 7.5' Quad Comment
  UC64843  Baccharis salicina E. A. Zumbro 1904-1-1 415 Riverside Cold Water Basin Santa Ana Mts., Cold Water Basin Comment
  UCR89310  Baccharis salicina Scott D. White 1995-9-22 3684 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  RSA314468  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55384 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA342551  Baccharis sergiloides R. F. Thorne 1980-4-16 54094 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA48881  Baccharis sergiloides J. C. Roos, L. Roos 1949-9-17 4660 Riverside E side Whitewater Canyon, 2.2 mi. N of Hwy 99 [=I-10]; W side of Painted Hill. 612 Comment
  RSA588674  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-26 0831 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. 939 Comment
  SD124210  Baccharis sergiloides Robert F. Thorne, Wright and Benjamin 1982-10-8 55405 Riverside San Bernardino Mountains, side canyon on east side of Whitewater Canyon, ca. 3.3 miles north of Whitewater Post Office (One-Palm Oasis Canyon 594 Comment
  UC501623  Baccharis sergiloides Frank W. Peirson 1928-9-6 8205 Riverside Morongo Canyon 609 Comment
  UCR19179  Baccharis sergiloides John C. Roos 1948-9-14 3003 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  UCR28277  Bacopa monnieri B. Ballen 1982-12-27 588487 Riverside Sonoran (Colorado) Desert, Rancho Mirage. Lake edge at Desert Island Country Club, 71-777 Frank Sinatra Drive. 91 Comment
  CAS-BOT-BC99951  Baileya pauciradiata John Thomas Howell 1928-3-11 3435 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  JOTR37508  Baileya pauciradiata Hodges, Stephen R. 2016-3-1 634 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  SEINET4344930 Image available Baileya pauciradiata Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  RSA296176  Bebbia juncea B. A. Prigge 1980-8-5 3856 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  SD144058  Bebbia juncea var. aspera Scott White 1993-4-22 1225 Riverside North Alberhill Ranch, in hills N of Walker Canyon. 490 Comment
  CLARK-A1528-5634  Berberis nevinii John C. Roos 1948-2-21 3772 Riverside San Timoteo Canyon Comment
  RSA0028734  Bergia texana R. E. Riefner 1998-6-9 98 -341 Riverside Warner Springs; Hwy. 79 Comment
  RSA0123123  Bernardia incana Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9010 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA27593  Bernardia incana C. L. Hitchcock 1940-4-5 5967 Riverside 1/2 mile above Cottonwood Springs, in the canyon above the Spring. Comment
  UCR23594  Bernardia myricifolia John C. Roos 1946-9-14 3024 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  UCR239929  Bidens frondosa O. F. Clarke 2004-7-5 s.n. Riverside Louis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside 155 Comment
  SD134536  Bidens laevis Craig Reiser 1991-9-17 Riverside Near Norco, in slough of Santa Ana River Comment
  CLARK-A1528-173  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  CAS-BOT-BC412943  Bistorta bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  RSA585516  Bloomeria crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  CAS-BOT-BC478937  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Temescal Canyon, terrace escarpment W side of Indian Wash, S of I-15 Comment
  CAS-BOT-BC478938  Bloomeria crocea var. crocea R. Bacigalupi 1925-7-2 1244 Riverside On trail to Tahquitz Peak, San Jacinto Mountains 1828 Comment
  CAS-BOT-BC16106  Boechera californica Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  SD229113  Boechera californica Dick Schwenkmeyer 2012-4-17 697 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UC597589  Boechera johnstonii Philip A. Munz 1937-5-31 15123 Riverside Kenworthy, S part of San Jacinto Mountains 1371 Comment
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Mar 25 2011
  LA204239  Boechera pulchra H. Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  RSA0087462  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7577 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  CAS-BOT-BC434516  Boerhavia diffusa T. C. Fuller 1968-7-17 17388 Riverside 288 E. Main St., San Jacinto Comment
  JOTR29194  Boerhavia intermedia La Doux, Tasha 2005-9-8 1307 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  RSA339328  Boerhavia intermedia Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53572 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
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Apr 25 2011
  RSA782003  Boerhavia triquetra var. intermedia Stephanie Rockwood, Christi Gabriel 2011-10-18 117 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  RSA793459  Boerhavia wrightii Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4375 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UCR163736  Boerhavia wrightii B. G. Pitzer 2000-11-4 4240 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UC1505770  Bolboschoenus maritimus Robert T. Clausen and Harold Trapido 1940-6-18 4674 Riverside Chino Canyon, Palm Springs 457 Comment
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Mar 23 2016
  RSA0088439  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2011-7-4 17180 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  SEINET12784924  Bolboschoenus maritimus subsp. paludosus G. Rink 2016-4-10 13774 Riverside At Whitewater Wash and Highway 111 61 Comment
  RSA792555  Bouteloua barbata Duncan S. Bell 2012-9-13 4182 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
  JEPS8276  Bouteloua barbata var. barbata Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 3602 Riverside along State Hwy 111 just opposite northern end of the Salton Sea -57 Comment
  JOTR30835  Bouteloua curtipendula Andre, Jim, Tasha La Doux 2008-9-16 10707 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  UCR155167  Bowlesia incana A. C. Sanders 2005-5-4 29848 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  SEINET13262577 Image available Brachypodium hybridum Steve Boyd 2011-1 12306 Riverside City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  RSA55094  Brandegea bigelovii R. H. Peebles 1930-4-6 121 Riverside Shavers Well. Comment
  UC1051637  Brandegea bigelovii Francia Chisaki, Peter Kamb 1952-4-6 2196 Riverside on road from Mecca to Blythe (Box Canyon); Box Canyon Comment
  UC495311  Brandegea bigelovii Philip A. Munz 1932-3-14 11981 Riverside Coachella Valley, Deep Canyon Deep Canyon; Coachella Valley, Deep Canyon 91 Comment
  UCSB69279  Brassica fruticulosa Sanders, A. 2008-3-2 Riverside Peninsular Range: Box Springs Mtns.; Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road (Riverside East 7.5' Q.: 33d59'06"N, 117d18'06"W, 1000m) 428 Comment
  UCR96869  Brassica geniculata Scott D. White 1993-3-12 1173 Riverside Near Winchester 466 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-A1528-1669  Brickellia desertorum John C. Roos 1950-9-30 4994 Riverside Box Springs Mountains 457 Comment
  RSA595916  Brickellia desertorum Darin L. Banks, Lauren Raz 1996-11-5 1175 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  UC1279709  Brickellia desertorum D. B. Dunn 1947-10-9 3521 Riverside at campground area by Hidden Valley, Joshua Tree National Monument Joshua Tree National Monument, Hidden Valley Comment
  UCR23273  Brickellia desertorum John C. Roos, L. Roos 1950-9-9 4986 Riverside Mt. Rubidoux. 400 Comment
  POM135924  Brickellia incana J. B. Feudge 1927-5-9 1609 Riverside Shavers Well, Colorado Desert Comment
  UCR48380  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR191205  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 929 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  UCR191207  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 928 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  CAS-BOT-BC174244  Bromus berteroanus 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
  RSA741173  Bromus carinatus Scott D. White, Justin M. Wood 2008-5-15 12010 Riverside Johnson Meadow. 1415 Comment
  UCR193895  Bromus carinatus A. C. Sanders, Mitch Provance 2008-7-11 35798 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA740616  Bromus grandis Scott D. White, Justin M. Wood 2008-6-19 12254 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UCR169471  Bromus hordeaceus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR201511  Bromus japonicus Scott D. White, Justin M. Wood 2008-6-17 12168 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA5229  Bromus marginatus C. B. Wolf 1932-8-5 3949 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  SEINET3923273  Bromus rubens R. L. Piemeisel 1913-5-4 409467 Riverside Crestmore field.; 0 Comment
  CSUSB439  Bromus tectorum David H. Eslinger 1970-5-29 Riverside 4 miles east of Riverside; 40 meters north of 9725 Pigeon Pass Road, in dry creek bed. 365 Comment
  UCR243571  Bromus tectorum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21107 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  RSA0020668  Bromus tectorum N. C. Cooper 1944-5-20 1295 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA264427  Caesalpinia virgata C. W. Tilforth, Jeff Barnes 1976-7-21 1221 Riverside Painted Canyon, NE of Mecca. Comment
  RSA5167  Caesalpinia virgata C. B. Wolf 1932-4-26 s.n Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  RSA768416  Caesalpinia virgata Jim Andre, Tasha La Doux 2009-2-28 10842 Riverside Coachella Valley: Along lower Berdoo Canyon Road (dirt), approx. 1.5 miles north of Dillon Road, and just south of Joshua Tree National Park boundary. 313 Comment
  UC499722  Caesalpinia virgata Roxana S. Ferris and R. Bacigalupi 1932-4-30 8243 Riverside in canyon between Shaver's Well and Mecca Comment
  UC68616  Caesalpinia virgata L. A. Greata Apr. 1905 428 Riverside Coachella Comment
  UCR138909  Calandrinia ciliata Julie A. Greene 1993-4-17 1199 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  UCR76168  Calandrinia ciliata A. C. Sanders 1993-4-1 13667 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  NY409588  Callitriche longipedunculata R. F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau - Mesa de Colorado 609.6 Comment
  RSA774062  Calochortus concolor Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1431 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1388 Comment
  UCR35291  Calochortus concolor L. B. Ziegler 1969-7-3 382 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  CAS-BOT-BC488545  Calochortus concolor Carl B. Wolf 1932-5-24 3654 Riverside No. base of San Jacinto Mts., Snow Creek Canyon, 1 mile above Fish Hatchery 792 Comment
  UC489219  Calochortus invenustus C. V. Meyer 1928-7-26 546 Riverside w slope San Jacinto Peak 2895 Comment
  UCR127537  Calochortus palmeri var. munzii A. C. Sanders, K. Kramer 2003-6-11 26875 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  CAS-BOT-BC132463  Calochortus plummerae Carl B. Wolf 1932-5-25 3696 Riverside [Bad Lands] Badlands, SW. of Beaumont, 1 1/2 mi. SW. of summit of Moreno Grade 548 Comment
  UCR217529  Calochortus plummerae Diane Menuz 2008-6-20 474 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  UCR133445  Calochortus splendens Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 455 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA674535  Calochortus weedii var. intermedius Scott D. White, Brian Leatherman 2000-6-1 7994 Riverside Steep slopes directly south of Oak Av. and Lincoln Av., just east of Hagador Cyn. 381 Comment
  UCR79209  Calochortus weedii var. weedii Steve Boyd, T. S. Ross 1992-6-10 7624 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 405 Comment
  JOTR16572  Calycoseris parryi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. COTTONWOOD CANYON Comment
  SD45165  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside 5.0 miles northeast of Cottonwood Springs, Joshua Tree National Monument. 854 Comment
  UCR29780  Calycoseris wrightii George K. Helmkamp 1983-3-24 383- 14 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  SD73616  Calyptridium monandrum Helen V. Witham 1970-4-29 834 Riverside 20 miles east of Lake Hemet. 1299 Comment
  SEINET5764663 Image available Calyptridium monandrum Ivan Johnston 1917-4-4 13784 Riverside Palm Springs, Near Palm Springs. Comment
  SJSU1865  Calyptridium monandrum J. W. Tilden 1957-4-18 1095 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UC63436  Calyptridium monandrum H. M. Hall 1904-5-16 4944 Riverside vicinity of Riverside (Fairmount Park); Fairmount Park 243 Comment
  UCR281090  Calyptridium monandrum Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  RSA422172  Calystegia macrostegia subsp. arida Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SEINET4077335  Calystegia macrostegia subsp. arida C. Davidson 1975-1 2806 Riverside Roughly four miles south of Banning on road R1 to Idyllwild. 1127 Comment
  RSA734501  Calystegia macrostegia subsp. tenuifolia Michael Wall 2008-5-31 465 Riverside San Jacinto Valley, Bautista Rd. south east of Hemet; along Bautista road, ca. 5.5 miles SE of Fairview Ave. 732 Comment
  UCR127535  Camissonia A. C. Sanders, D. Malueg 2003-5-8 26577 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
  POM31999  Camissonia bistorta C. F. Baker 1903-4-5 4118 Riverside Hemet Comment
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Mar 24 2011
  RSA465934  Camissonia bistorta Gale Sphon 1955-3-5 s.n. Riverside Elsinore Mountains, Horsethief Canyon, along sunny side of road Comment
  RSA264582  Camissonia boothii subsp. condensata C. W. Tilforth, J. Dourley, Walter Wisura 1977-5-19 1327 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 267 Comment
  UCR104809  Camissonia boothii subsp. desertorum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2743 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  CLARK-A1528-3321  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR30100  Camissonia brevipes George K. Helmkamp 1983-4-5 483- 38 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA466172  Camissonia californica M. B. Dunkle 1933-3-4 3064 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCR121197  Camissonia californica D. E. Bramlet 1989-4-4 1788 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR41233  Camissonia californica N. M. Fellows, A. C. Sanders 1985-4-9 123 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA771120  Camissonia campestris subsp. campestris Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5006 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  POM3227  Camissonia cardiophylla I. M. Johnston 1917-4-4 1083 Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA454741  Camissonia cardiophylla M. B. Dunkle 1935-3-30 4423 Riverside Pinto Basin. Colo. Desert. Comment
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Dec 12 2011
  RSA0021255  Camissonia cardiophylla subsp. cardiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 763 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR85089  Camissonia claviformis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16024 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA449189  Camissonia claviformis subsp. aurantiaca Christopher Davidson 1979-4-4 7673 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  POM158464  Camissonia confusa P. A. Munz 1927-5-20 10819 Riverside 10 miles S. of Hemet. Comment
  RSA717330  Camissonia confusa Scott D. White, Angelia Carey 2004-4-5 10023 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET7040180  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 4.2 miles east of Murrietta [near Murrietta Hot Springs]. UTM Zone 11, 487862mE, 3712342mN. Comment
  UCR178307  Camissonia hirtella T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 615 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR87613  Camissonia hirtella A. C. Sanders 1994-5-30 14594 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA500214  Camissonia intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3529 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA652357  Camissonia intermedia C. J. Humphrey 1936-6-7 233 Riverside [No location information on label.] Comment
  RSA708565  Camissonia pallida Scott D. White, Jennifer H. Jones 2005-5-24 11102 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  UCR102931  Camissonia pallida George K. Helmkamp 1998-4-3 3064 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR177396  Camissonia pallida John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  JOTR28815  Camissonia pallida subsp. pallida La Doux, Tasha 2005-3-1 1083 Riverside Joshua Tree National Park. Sand Hills Comment
  POM6425  Camissonia pallida subsp. pallida P. A. Munz, L. T. Street, G. Williams 1919-3-28 2360 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA741194  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-5-15 11974 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SDSU3409  Camissonia strigulosa H. Wedberg 1958-4-4 228 Riverside On Reche Canyon Road, about 6.3 miles south of Barton Road. Comment
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Jan 24 2013
  UCR87658  Camissonia strigulosa A. C. Sanders 1994-5-29 14571 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UC147159  Camissoniopsis pallida subsp. hallii H. M. Hall 1897-4-17 446 Riverside Banning Colorado Desert (edge of Colorado Desert) Comment
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Mar 21 2011
  UC172909  Camissoniopsis pallida subsp. pallida E. E. Schellenger 1911-4-25 Riverside Point of Rocks Colorado Desert, Whitewater Wash Comment
  RSA5009  Cardamine californica var. integrifolia C. B. Wolf 1932-3-20 9 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UCR193880  Carex A. C. Sanders 2008-7-25 35883 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR59679  Carex alma Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2989 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  CAS-BOT-BC18026  Carex athrostachya Peter Kamb 1947-6-7 579 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  CAS-BOT-BC18027  Carex athrostachya Peter Kamb 1948-7-4 1177 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  CAS-BOT-BC119866  Carex nebrascensis Franklin Wilson Hall 1908-7-10 2559 Riverside Meadow in Round Valley, San Jacinto Mt. Comment
  RSA736253  Carex praegracilis Scott D. White, Justin M. Wood 2008-4-3 11795 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  SD124707  Castela emoryi Andy C. Sanders, D. Charleton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca. I(c) mile SW of pumping station 1349 Comment
  RSA359522  Castilleja affinis Steve D. Boyd 1986-3-9 1383 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just E of Claymine area 427 Comment
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UC1012299  Castilleja applegatei subsp. martinii F. W. Pennell and A. L. Grant 1940-4-28 25283 Riverside w slope San Jacinto Range (Route 74) 1402 Comment
  UC885361  Castilleja applegatei subsp. martinii Carl B. Wolf 1932-8-5 Riverside from Tahquitz Valley to San Jacinto Peak (along trail); San Jacinto Mts. 2621 Comment
  UCR156094  Castilleja exserta T. B. Salvato, Kent Beaman 2005-5-16 810 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCSB6125  Castilleja exserta subsp. exserta Walker, Clifford 1954-4-10 Riverside East slope of arroyo; near head of White Water Canyon Comment
  CSUSB894  Castilleja foliolosa Steve Kulju 1974-5-9 Riverside Jack Rabbit Trail, one mile south of U.S. Highway 60. 487 Comment
  UCSB5975  Castilleja foliolosa Koran, John 1958-4-15 Riverside open hillside between Pinon Flats and Hwy 111; 14.7 mi. up Hwy 74 from 111 Comment
  RSA0046825  Castilleja foliolosa Tamara Joy Hanna 1991-5-4 1 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  UCR4418  Caulanthus hallii Frank C. Vasek 1960-3-24 600324- 26 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  UCD114216  Caulanthus heterophyllus D. Bramlet; P. Jacks and S. Goode 1989-4-4 1795 Riverside Shipley Multi-species Reserve. Bachelor Mountain. Approximately 300 feet NW of the existing access road and 8000 feet NE of the Lake Skinner Dam. 476 Comment
  UCR120659  Caulanthus heterophyllus D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1798 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the SE-facing slope of Bachelor Mountain. Transect L-9 482 Comment
  UCR60251  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3165 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  CHSC108492  Caulanthus lasiophyllus Naomi Fraga; Lisa Rojas 2005-2-10 1366 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR108392  Caulanthus lasiophyllus D. L. Banks, V. W. Steinmann 1997-3-13 1468 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
  UC64615  Caulanthus simulans H. M. Hall May 17, 1901-Jun 1, 1901 Riverside Coahuilla , summit Nigger Jim Hill 1524 Comment
  RSA60296  Ceanothus cordulatus G. R. Campbell 1948-7-4 607 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  SD128305  Ceanothus cordulatus R. Mitchel Beauchamp 1971-5-15 2412 Riverside On slopes, Black Mt. campground, San Jacinto Mountains. 2207 Comment
  UCR132416  Ceanothus crassifolius A. C. Sanders 2004-2-6 27387 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR174966  Ceanothus crassifolius Teresa Nieto 2005-4-24 21 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCSB36641  Ceanothus crassifolius Brownell, Kathleen 1980-5-16 Riverside 9 miles W. of Lakeland Village on Hwy. 74; Santa Ana Mtns 670 Comment
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Nov 27 2014
  LA30343  Ceanothus cuneatus Mary V. Hood; 1945-3-25 45- 2 -k* Riverside Aguanga 587 Comment
  RSA575054  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -H Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA575069  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -n Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UC870523  Ceanothus cuneatus var. cuneatus I. W. Clokey, B. C. Clokey, and C. B. Clokey 1930-4-15 4736 Riverside Gavilan Peak 600 Comment
  RSA59194  Ceanothus greggii var. perplexans Frank W. Gould 1943-4-18 2138 Riverside Riverside County Park east of Idylewild Comment
  UC303593  Ceanothus greggii var. perplexans S. B. Parish 1919-3-28 19201 Riverside Jack Rabbit Trail near Beaumont Comment
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Mar 21 2011
  RSA1031  Ceanothus leucodermis J. T. Howell 1928-7-8 397 Riverside Santa Ana Mountains above Glen Ivy. 1524 Comment
  RSA701751  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA0019598  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 339 Riverside Palms to Pines Highway. Comment
  RSA557891  Ceanothus oliganthus var. sorediatus Steve Boyd, Orlando Mistretta 1992-4-22 7002 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA606752  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27414 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
  RSA6035  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  UCR165203  Ceanothus papillosus Robert Cox 2003-9-8 s.n. Riverside Peninsular Ranges, Santa Ana Mtns., Main Divide Road, between Bedford and Bald peaks 1098 Comment
  RSA0022330  Ceanothus perplexans Ora M. Clark 1929-2-23 1523 Riverside South of Beaumont, San Jacinto Mountains Comment
  UCR155337  Ceanothus sorediatus A. C. Sanders, Mike Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR5997  Ceanothus tomentosus Robert A. Clark 1966-3-19 031966- 09 Riverside Santa Ana Mtns, Sky Line Drive 4 miles from entrance off Chase Ave 762 Comment
  SEINET273063  Ceanothus tomentosus subsp. olivaceus A. C. Sanders 1997-3-19 20060 Riverside Lake Skinner area: upper Rawson Canyon W of Black Mtn. along the road from Lake Skinner 549 Comment
  UCR137484  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-3-29 1574 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  CLARK-A1528-5249  Centaurium venustum John C. Roos 1948-4-24 3797 Riverside Whitewater Comment
  POM320424  Centaurium venustum David Wheat 1968-5-16 138 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  JEPS106970  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, N of CA-74 and W of Warren Road Comment
  SD134523  Centromadia pungens subsp. laevis Craig Reiser 1990-6-10 Riverside Adjacent to Temecula Creek within urban Temecula Comment
  RSA0087147  Centromadia pungens subsp. laevis F. W. Peirson 1924-6-21 4762 Riverside Near Temecula. 335 Comment
  UCR183179  Cercocarpus betuloides var. betuloides Mitch Provance 2003-5-5 4412 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CSUSB1368  Cercocarpus minutiflorus Oscar F. Clarke, Andrew C. Sanders, D. Vossler 1975-7-23 Riverside Santa Ana Mountains Santa Ana Mountains, west of Murrieta on the side of a canyon along Tenaja Road, at elevation 1800 feet (just below Mesa De Burro). 548 Comment
  UCR270193  Cercocarpus minutiflorus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42414 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  SDSU14019  Chaenactis artemisiifolia Dinna Estrella, M. G. Simpson 2002-4-20 23 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  POM9656  Chaenactis artemisiifolia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  CAS-BOT-BC276379  Chaenactis carphoclinia L. R. Abrams 1926-3-26 11009 Riverside Palm Springs Comment
  CAS-BOT-BC276400  Chaenactis carphoclinia Alice Eastwood 1913-4-30 9032 Riverside Palm Springs Comment
  UC1595787  Chaenactis carphoclinia var. carphoclinia W. Wisura, J. Dolan, and M. Wall 1992-3-24 4615 Riverside 4.7 mi ne Mecca (on Box Canyon Rd) Comment
  UC63007  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1902-4-11 2807 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert, Coyote Canyon 152 Comment
  CAS-BOT-BC276911  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mile E of Banning Comment
  CAS-BOT-BC276934  Chaenactis fremontii R. F. Hoover 1969-4-11 11211 Riverside Mouth of Morongo Valley Canyon Comment
  POM351705  Chaenactis fremontii Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA79179  Chaenactis fremontii Philip A. Munz, Percy C. Everett 1952-5-2 16236 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  SD186071  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles sousouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  SEINET3224410  Chaenactis glabriuscula G. Goodwin 2012-6-15 3464 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR133369  Chaenactis glabriuscula Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 293 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR133691  Chaenactis glabriuscula Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR174623  Chaenactis glabriuscula Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 345 Riverside Peninsular Ranges; San Jacinto Mtns., Turnout south of Mt. Edna Road along Calif. Hwy 243 1143 Comment
  RSA125546  Chaenactis glabriuscula var. glabriuscula R. Weatherby 1949-5-13 408 Riverside La Sierra district, Arlington 152 Comment
  RSA282790  Chaenactis glabriuscula var. glabriuscula C. W. Tilforth, B. Busenberg 1980-6-10 1990 Riverside 3.8 miles in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  RSA500563  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3608 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA594772  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Dylan Hannon 1996-5-3 0993 B Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  RSA763054  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1968-5-22 6943 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CAS-BOT-BC100681  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa, Santa Rosa Mts. 1828 Comment
  JEPS8866  Chaenactis stevioides W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1414 Riverside Van Deventer's Comment
  JOTR32350  Chaenactis stevioides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2466 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and near Johnny Lang Canyon; Bouldery northeast facing drainage (Stop 1) Comment
  RSA774986  Chaenactis stevioides Duncan S. Bell 2011-4-7 2175 Riverside On the northeast side of the Arica mountains; approximately 2.2 air miles northwest of Priests Well, or approximately 4.5 air miles southwest of the ghost town of Rice. 359 Comment
  UCD20138  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -8 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  RSA27502  Chaenactis stevioides var. stevioides I. L. Wiggins 1941-3-27 9683 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  JOTR35021  Chamaesyce abramsiana La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3119 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JEPS51889  Chamaesyce albomarginata E. E. Schellenger 1894-8-11 78 Riverside Colorado Desert, Paloverde Comment
  JOTR16669  Chamaesyce albomarginata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  UC17620  Chamaesyce albomarginata Geo. F. Reinhardt June, 1897 Riverside Comment
  RSA0121601  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9101 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 513 Comment
  RSA549998  Chamaesyce maculata O. F. Clarke 1976-9-23 s.n. Riverside Common weed on UCR campus. Comment
  RSA659783  Chamaesyce melanadenia S. Grangier 1979-5-10 s.n. Riverside Palm Springs. 610 Comment
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Apr 25 2011
  RSA655082  Chamaesyce micromera Scott D. White 1999-10-19 7627 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
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Dec 10 2011
  SFV10855  Chamaesyce micromera M. L. Vincent, R. H. Swade 1963-10-19 454 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  RSA0042474  Chamaesyce polycarpa Deidre Conocchioli, Kristin Forgrave, April Garbat 2013-8-13 1 Riverside Chuckwalla Valley Road approximately 4 miles east of Corn Springs 194 Comment
  RSA180364  Chamaesyce polycarpa E. W. Lathrop 1960-5-27 5245 Riverside 6 miles west of Murrieta. Comment
  RSA505009  Chamaesyce polycarpa D. Charlton 1988-2-18 1154 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  POM98788  Chamaesyce polycarpa P. A. Munz 1926-1-31 9966 Riverside Dos Palmas Spring Comment
  RSA740621  Chamaesyce serpillifolia subsp. serpillifolia Scott D. White, Justin M. Wood 2008-7-8 12375 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  CAS-BOT-BC70032  Cheilanthes covillei Carl B. Wolf 1932-5-24 3646 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1/2 mi. below fish hatchery 548 Comment
  SEINET903950  Cheilanthes covillei Norman C. Cooper 1944-1 1193 Riverside Banning. 701 Comment
  CAS-BOT-BC70384  Cheilanthes viscida S. B. Parish; W. F. Parish 1881-3-1 506 Riverside Whitewater, desert side of San Ber. Mt. Comment
  RSA0106273  Chenopodium ambrosioides Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA0114928  Chenopodium berlandieri Mitch Provance 2012-7-17 712 -16 Riverside Beaumont Plain: Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  UC1394437  Chenopodium berlandieri H. A. Wahl 1966-9-17 21804 Riverside 5 mi s Idyllwild; San Jacinto Mountains 914 Comment
  UCR115434  Chenopodium berlandieri Scott D. White 1994-6-23 2095 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR278859  Chenopodium berlandieri Mitch Provance 2012-7-15 612- 68 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  RSA478503  Chenopodium californicum George R. Johnstone 1934-3-27 s.n. Riverside Near Temecula, along inland route. Comment
  UC1329982  Chenopodium californicum James E. Cole 1941-6-9 855 Riverside Stubby Spring area Joshua Tree National Monument 1402 Comment
  UC72714  Chenopodium californicum Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR201431  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA556505  Chenopodium ficifolium Julie Greene 1993-4-3 1082 Riverside [Unspecified] 440 Comment
  CAS-BOT-BC231787  Chilopsis linearis H. E. McMinn 1925-7-1 1479 Riverside Palm Canon [Canyon] Comment
  CAS-BOT-BC231788  Chilopsis linearis Milo S. Baker 1928-4-3 2777 a Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  UCSB50619  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  RSA33620  Chilopsis linearis subsp. arcuata N. C. Cooper 1944-7-15 1548 Riverside Palm Springs. 122 Comment
  POM9328  Chilopsis linearis subsp. arcuata Mary F. Spencer 1918-4-28 800 Riverside In desert sand. Colorado Desert 122 Comment
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Nov 20 2011
  RSA0018891  Chloris virgata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6027 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR20458  Chloris virgata John C. Roos 1952-9-3 5897 Riverside Riverside, Citrus Experiment Station 305 Comment
  UC1618028  Chorizanthe Donald G. Nelson 1936-5-21 383 Riverside n. Mt. Thomas (slopes just n. of meadow in valley, just e. of Hurkey Creek Camp area, e. of Lake Hemet) Comment
  CAS-BOT-BC191699  Chorizanthe brevicornu var. brevicornu Javier Penalosa 1963-4-10 2786 Riverside Deep Canyon, 3 mi S of Palm Desert 213 Comment
  RSA226505  Chorizanthe brevicornu var. brevicornu C. W. Tilforth, John Dourley 1971-4-15 348 Riverside Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road. 534 Comment
  UCR87638  Chorizanthe coriacea A. C. Sanders 1994-5-29 14545 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  POM84699  Chorizanthe corrugata M. Hill 1926-3-13 s.n. Riverside Near Dos Palmos. Comment
  RSA480077  Chorizanthe corrugata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2164 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  CAS-BOT-BC191349  Chorizanthe leptotheca Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills Region, Temescal Canyon, stable alluvial benches along Indian Wash, S of Di Palma Road and Interstate 15 365 Comment
  JEPS57753  Chorizanthe leptotheca W. L. Jepson 1901-5-27 1479 Riverside between Cahuilla Valley and Aguanga 624 Comment
  RSA487227  Chorizanthe leptotheca James L. Reveal, Rose Broome 1987-6-27 6611 Riverside Along the road toward Lake Hemet Campground on the N shore of Lake Hemet, 0.2 mile E of the Lake Hemet Picnic Area and 0.8 mile W of California Hwy 74. 1631 Comment
  SD239847  Chorizanthe leptotheca T. B. Salvato, Richard Camacho 2011-6-12 5495 Riverside Peninsular Range: Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles. 359 Comment
  UCR174452  Chorizanthe polygonoides subsp. longispina A. C. Sanders 2006-5-19 32385 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
  UCR159985  Chorizanthe polygonoides var. longispina S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR217540  Chorizanthe polygonoides var. longispina Diane Menuz 2008-3-24 376 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  UCR217660  Chorizanthe polygonoides var. longispina Ana Hernandez 2010-3-22 015 Riverside Perris-Aguanga Basin, French Valley, 1.05km south of Scott Rd. and 650m west of Leon Rd. 432 Comment
  UCR245440  Chorizanthe polygonoides var. longispina Elizabeth A. Kempton, Eric Paul 2008-4-7 546 Riverside town of Lake Elsinore, Elsinore Peak, just SSW of antennas, near closed road, South Main Divide Road 1090 Comment
  UCR48397  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  HSC28466  Chorizanthe rigida Richard Spjut 1973-4-5 3268 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  POM98786  Chorizanthe rigida P. A. Munz 1926-1-31 9968 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA191736  Chorizanthe rigida Robert F. Thorne 1963-3-29 32419 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  GMDRC1319  Chorizanthe watsonii J. Andre 2004-4-24 4277 Riverside Little San Bernardino Mountains: Joshua Tree NP: Joshua Tree woodland (sparse), near bench by wash in sandy soil. Elev. 3711 ft. 1131 Comment
  UCR114937  Chrysothamnus nauseosus subsp. consimilis Dave Ezell 1999-7-8 01 B Riverside Corona (Home Gardens), Promenade St. 0.2 mi. west of McKinley, 70-80 ft. north of 91 freeway. (El Sobrante de San Jacinto Spanish land grant) 210 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  CLARK-A1528-190  Chrysothamnus paniculatus Oscar F. Clarke 1969-11-10 Riverside Palm Springs Station Comment
  POM243703  Chrysothamnus teretifolius E. C. Jaeger 1938-10-22 s.n. Riverside 12 miles S of Warren's Well Comment
  JOTR37440  Chylismia brevipes subsp. brevipes Hodges, Stephen R., T. Hender 2015-12-30 562 Riverside Joshua Tree National Park. Pinto Basin, off of Black Eagle Mine road, then turning north up the park boundary 596 Comment
  SD16812  Chylismia cardiophylla subsp. cardiophylla Allen Keller 1937-3-13 Riverside Painted Canyon. Comment
  CAS-BOT-BC160606  Chylismia claviformis subsp. aurantiaca Lewis S. Rose 1937-4-10 37178 Riverside Indio - Blythe Road, 26 mi. E. of Indio 457 Comment
  UC68521  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5835 Riverside near Mecca; Colorado Desert -30 Comment
  UC708731  Chylismia claviformis subsp. aurantiaca H. K. Wagnon 1944-4-2 381 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  POM352169  Cirsium occidentale var. californicum Norman C. Cooper 1949-6-1 3997 Riverside Elsinore. 457 Comment
  CAS-BOT-BC286460  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside South end of Santa Rosa Mts. Comment
  RSA557323  Cirsium vulgare Julie Greene, Scott D. White 1993-7-5 1390 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  CAS-BOT-BC438666  Cistanthe ambigua Lewis S. Rose 1937-4-10 37150 Riverside La Quinta. Alt. sea level. 0 Comment
  SD152804  Clarkia bottae Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7339 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 366 Comment
  RSA192052  Clarkia dudleyana E. W. Lathrop 1966-6-1 6351 Riverside Tenaja Range, Fisherman s Creek Camp. Comment
  UCR1639  Clarkia dudleyana R. G. Barber 1962-5-12 98 Riverside Box Springs Mtns., top of Box Spring Mountain, near (south of) the main gorge [Big Springs Canyon] on the W side of the mountain 915 Comment
  UC20315  Clarkia epilobioides Mrs. Gregory 1892-1 Riverside San Jacinto San Jacinto Comment
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Jul 22 2010
  RSA448300  Clarkia purpurea subsp. quadrivulnera N. C. Cooper 1944-6-16 1443 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA652343  Clarkia purpurea subsp. quadrivulnera C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 117 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
  POM12788  Clarkia rhomboidea P. A. Munz 1922-6-23 5771 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  UCR178964  Clarkia rhomboidea Mitch Provance, Tracy Tennant 1998-6-16 MOR- 395 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  UC1979621  Clarkia similis D. L Banks, Steve Boyd 1995-5-3 0185 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR213902  Claytonia parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  SDSU20274  Claytonia parviflora subsp. parviflora Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 127 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. 357 Comment
  CAS-BOT-BC439711  Claytonia parviflora subsp. viridis Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3943 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. Saddle between summits, N slope along rd heading N to Black Hills. 792 Comment
  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
  UC729660  Clematis pauciflora Carl B. Wolf 1932-5-25 3668 Riverside just above fish hatchery Snow Creek Canyon (n. base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  POM294294  Cleome isomeris Lyman Benson 1949-3-28 13583 Riverside 10 miles northeast of Palm Springs. Colorado Desert. 335 Comment
  RSA440789  Cleome isomeris F. A. Thackery 1928-5-7 179 Riverside Whitewater. Comment
  RSA0117415  Collinsia concolor Walter Wisura 1987-5-21 4154 Riverside This is a voucher from the living collection at the RSA. Living collection no. 15579, 7.8 mi. from Hwy. 243 along old Idyllwild road. Comment
  UCR84599  Collinsia heterophylla Scott D. White, S. Ogg 1994-4-21 1967 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SBBG54139  Colubrina californica C. S. Jones 1979-3-27 41 Riverside wash ca. 5 mi N of Interstate 10, 4 mi W of Desert Center 426 Comment
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Mar 15 2013
  UCR18912  Colubrina californica John C. Roos 1960-4-8 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mts.; canyon 2.5 mi. SE of Desert Center Comment
  CAS-BOT-BC216025  Convolvulus Steve Boyd 1986-5-1 1810 Riverside Lower south slopes of Bachelor Mtn., east end of Lake Skinner, Bachelor Mtn. Comment
  UCR30529  Convolvulus arvensis John C. Roos 1952-6-4 5736 Riverside City of Riverside, near Citrus Experiment Station. Comment
  CAS-BOT-BC286037  Conyza canadensis S. B. Parish 1912-10-12 8358 Riverside Salton Basin. Mecca -57 Comment
  SBBG68642  Cordylanthus nevinii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  UCR242667  Cordylanthus nevinii A. C. Sanders 2013-7-6 40848 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  UCR242671  Cordylanthus rigidus A. C. Sanders 2013-7-6 40846 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11 1793 Comment
  RSA0010994  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1625 Riverside San Bernardino National Forest: Garner Valley, trail to Tool Box Spring, approximately 3.1 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  RSA770693  Coreopsis californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4794 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM230199  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6963 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  RSA482193  Corethrogyne filaginifolia Richard Noyes, L. Arnseth 1988-9-10 731 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  SD255088  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas and Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  CLARK-A1528-1782  Corethrogyne filaginifolia var. bernardina John C. Roos 1951-9-25 5272 Riverside Riverside 259 Comment
  RSA293512  Corethrogyne filaginifolia var. bernardina C. W. Tilforth, Walter Wisura 1979-8-8 1892 Riverside Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. 1037 Comment
  POM47977  Cornus nuttallii P. A. Munz, I. M. Johnston 1924-7-27 8752 Riverside Dark Canyon, San Jacinto Mountains. 1981 Comment
  UCSB33376  Crassula connata Marks, R. 1978-3-16 Riverside 3/4 mi. W of orange grove at 3000 McAllister Dr., in Riverside 457 Comment
  CLARK-A1528-424  Crassula erecta Jim Ryan 1969-3-26 22 Riverside Riverside 426 Comment
  SEINET3091112 Image available Cressa truxillensis J. Jacobi 1970-4-30 0430 -4 Riverside Coll. 1 mi. N of Lakeview, Calif in flat, open area. Comment
  UCR182526  Cressa truxillensis Mitch Provance 2005-5-17 6573 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 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
  SD186167  Crocanthemum scoparium A. C. Sanders, Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mountain, Av. Escala just above Av. Caleta, north of Tenaja Rd. 701 Comment
  UC129846  Crocanthemum scoparium var. vulgare Charlotte M. Wilder May 1908 892 Riverside Wilders' Jurupa Hills Comment
  RSA356896  Crossosoma bigelovii R. F. Thorne 1966-10-15 41781 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCD170568  Crossosoma bigelovii Jim Andre 2011-2-18 15824 Riverside Coachella Valley, north end of valley at base of Morongo Canyon, 0.5 mi north of Indian Canyon Road, 1 mi west of Hwy 62. 473 Comment
  POM91962  Crossosoma bigelovii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  JOTR35016  Croton californicus La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3114 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA644224  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  RSA785951  Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  SD187396  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills, along stream 548 Comment
  SDSU3717  Croton californicus James C. Dice, and Virginia Moran 1987-11-28 760 Riverside Temecula Gorge, on north bank of Santa Margarita River at aquaduct crossing. T8S, R3W, SE 1/4 of 1/4 of Section 27. 250 Comment
  SFV11883  Croton californicus R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC1329962  Croton californicus James E. Cole 1941-4-13 561 Riverside 0.5 mi n Meek's Cabin; Joshua Tree National Monument, Pinto Pass Comment
  VVC1451  Croton californicus A. C. Sanders, J. Mac 1996-11-23 19651 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  POM10317  Croton californicus var. mohavensis Charlotte M. Wilder 1904-4-10 497 Riverside Palm Springs, Colorado Desert Comment
  SEINET5584422  Cryptantha Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 110 Comment
  UCR162543  Cryptantha John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  SBBG6237  Cryptantha angustifolia H. and M. Dearing 1939-12-31 4052 Riverside near Indio Comment
  UC517552  Cryptantha angustifolia John Thomas Howell 1928-3-11 3437 Riverside 6 mi se Garnet Station; Colorado Desert 152 Comment
  UC662533  Cryptantha angustifolia S. D. McKelvey 1936-3-3 5067 Riverside near La Quinta Comment
  UCR228188  Cryptantha angustifolia Dave Silverman 2010-3-24 7825 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10 130 Comment
  UCR102912  Cryptantha barbigera George K. Helmkamp 1998-4-4 3174 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  JOTR33725  Cryptantha circumscissa var. circumscissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2726 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  LA204178  Cryptantha circumscissa var. circumscissa Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCR142221  Cryptantha corollata June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR258781  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7903 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
  RSA0119885  Cryptantha decipiens Duncan S. Bell, Thomas Stoughton 2016-4-12 9219 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  RSA528102  Cryptantha decipiens S. J. Myers 1991-4-15 91 -6 Riverside City of Banning, W of Fields Rd, N of Interstate 10 & S of the Morongo Indian Reservation. 671 Comment
  UCR279375  Cryptantha decipiens A. C. Sanders, Jim Malusa 2017-3-24 42953 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UC100864  Cryptantha holoptera H. M. Hall Apr 1905 5788 Riverside 10 mi w Coachella; Colorado Desert, Marshall Canyon 91 Comment
  POM293650  Cryptantha intermedia Lyman Benson 1946-4-15 12027 Riverside 2 miles east of Banning, Colorado Desert 609 Comment
  UCD119862  Cryptantha intermedia R. L. Smith 1948-3-24 s.n. Riverside foot of Andreas Canyon. Comment
  UCR240619  Cryptantha intermedia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 439 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR87636  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  RSA676167  Cryptantha maritima Scott D. White 2001-4-3 8274 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UC551819  Cryptantha maritima F. R. Fosberg 1932-3-13 10624 Riverside Thousand Palms Canyon Comment
  UCR148458  Cryptantha maritima S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  SEINET1906291  Cryptantha micrantha Sarah J. De Groot, J. Mark Porter 2006-1 5202 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  UC857184  Cryptantha micrantha Mary F. Spencer 1922-4-16 1918 Riverside Palm Springs Colorado Desert 121 Comment
  UCSB41258  Cryptantha micrantha Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  UCR47194  Cryptantha micrantha var. lepida D. C. Hawks 1987-3-2 s.n. Riverside Terwilliger Valley, 5 miles SE of Anza 1280 Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  UCR177331  Cryptantha micrantha var. micrantha Scott D. White, Michael Honer 2003-5-13 9242 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR226929  Cryptantha micrantha var. micrantha Jim Andre 2011-2-2 16206 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  SEINET1906766  Cryptantha microstachys A. C. Sanders 2005-1 29569 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi . ESE of Gavilan Peak 622 Comment
  RSA0094688  Cryptantha microstachys Steve Boyd, D. Bramlet, Timothy S. Ross 1993-5-12 7341 Riverside Southern Santa Ana Mountains, Sant 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
  UCR19808  Cryptantha muricata W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA0079246  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3162 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD240924  Cryptantha nevadensis Dave Silverman, A. Sanders, J. Duffels, R Dwerlkotte and T. Beyerl 2010-3-30 7822 Riverside Southwest flank of Palen Mountains bajada, along Palen Dunes drive, 4.6 km N of I-10, 9 km ESE of Sidewinder Well. 135 Comment
  JOTR30796  Cryptantha pterocarya La Doux, Tasha 2008-2-4 1817 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash. Near road leading to Cottonwood. 745 Comment
  UCR274798  Cryptantha pterocarya David Fraker, Aaron C. Sedgwick 2012-3-27 046 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  UCR244733  Cryptantha pterocarya var. cycloptera Jim Andre 2012-3-19 21351 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  JOTR33727  Cryptantha pterocarya var. pterocarya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2728 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  JEPS67814  Cryptantha racemosa W. L. Jepson 1927-4-12 11675 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  POM72365  Cryptantha racemosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  UCR50381  Cryptantha utahensis F. R. Fosberg 1929-3-30 S- 00710 Riverside Western Colorado Desert/ San Jacinto Mtns, Palm Springs, Andreas Canyon Comment
  UC1122823  Cucurbita foetidissima A. Lewis May 1934 465 Riverside Temecula R. Elsinore Quad., Temecula R. Comment
  CHSC98226  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd. UTM: 11S 0488948E 3735311N 550 Comment
  RSA394342  Cucurbita palmata A. Menke 1955-4-27 s.n. Riverside 34 miles E of Desert Center. Comment
  POM3647  Cuscuta californica I. M. Johnston 1917-6-5 1255 Riverside Hills south of Arlington 366 Comment
  CAS-BOT-BC224607  Cuscuta californica var. papillosa Milo S. Baker 1928-4-3 2796 a Riverside Palm Canon [Canyon] Comment
  CAS-BOT-BC224608  Cuscuta californica var. papillosa D. A. Johansen; J. A. Ewan 1932-4-11 7095 Riverside Deep Canyon Wash, Colorado Desert Comment
  SEINET13276696 Image available Cuscuta californica var. papillosa Mitch Provance 2012-1 712 -05 Riverside Colorado Desert: Thousand Palms Canyon Road, +-2/3 of the way up into the canyon. (Myoma 7.5' Q.) 140 Comment
  RSA409772  Cuscuta salina F. W. Peirson 1924-6-21 s.n. Riverside South of Elsinore Comment
  RSA0083641  Cylindropuntia echinocarpa Duncan S. Bell 2009-4-20 319 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  RSA544301  Cynara cardunculus Steve Boyd 1991-7-13 6406 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
  UCR149977  Cynodon dactylon Scott D. White, Angelia Carey 2004-5-7 10318 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA192178  Cynodon dactylon H. A. Zuill 1966-6-27 246 Riverside 2 - 4 miles WSW of Murrieta. Comment
  JEPS64081  Cyperus laevigatus W. L. Jepson 1914-5-22 6012 Riverside nw of Indio (Thousand Palms Canyon); Thousand Palms Canyon Comment
  SEINET269474  Cyperus odoratus Scott D. White, Steve Ogg 1994-10-17 2460 Riverside Murrieta Creek 1000 ft south of Winchester road bridge (Banana Avenue on USGS Murrieta quad) 310 Comment
  RSA559351  Cyperus squarrosus Steve Boyd, Timothy S. Ross 1992-5-15 7391 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
  UC218657  Cystopteris fragilis P. A. Munz and I. M. Johnston 1922-5-19 5386 Riverside 3 mi w Keen Camp; San Jacinto Mts 1493 Comment
  CLARK-A1528-52  Dactylis glomerata Fred B. Essig 1967-5-18 Riverside Riverside Comment
  SD115253  Dactyloctenium aegyptium Brad Ballen 1984-11-22 Riverside Southwest of Indio; 300 meters west of Hjorth Avenue; north roadside of Avenue 48 Comment
  RSA0027467  Dalea mollis Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 61 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
  RSA782195  Dalea mollis Duncan S. Bell 2011-10-22 2982 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR182833  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of Hwy 62, along Colorado River Aqueduct 277 Comment
  RSA613784  Dalea mollissima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2741 Riverside Chuckwalla Mts., 10.6 mi SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  SEINET6656795  Dalea spinosa Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon.; 0 Comment
  RSA709874  Dasyochloa pulchella Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4618 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR36992  Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street 305 Comment
  POM248026  Datura wrightii Philip A. Munz 1941-4-5 16695 Riverside 5 mi. Northeast of Desert Center. Comment
  RSA133099  Datura wrightii Donald A. Johansen 1933-7-14 s.n. Riverside Mesa Mira. Comment
  RSA595921  Datura wrightii D. L. Banks, Lauren Raz 1996-11-5 1180 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  RSA487426  Daucus pusillus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA562458  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-5-5 7231 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  CAS-BOT-BC131021  Deinandra mohavensis A. C. Sanders; T. Schram; D. Wappler 1994-10-4 15775 Riverside San Jacinto Mountains: nameless tributary of Azalea Creek ca. 1 mile due S of the Twin Pines Ranch buildings 1130 Comment
  UC1792817  Deinandra mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, Mitch Provance 1998-10-25 22272 Riverside San Jacinto Mtns.: Hwy 243 between Idyllwild and Mountain Center, 1 mile north of Mtn. Center 1426 Comment
  UC1746496  Deinandra paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside 2 miles due east of Railroad Canyon Lake; Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Comment
  CAS-BOT-BC9089  Delphinium cardinale Percy C. Everett 1935-6-17 7170 Riverside Temescal Canyon, between Corona-Elsinore Highway and Glen Ivy Resort 365 Comment
  UC667253  Delphinium parishii subsp. parishii Annie M. Alexander and Louise Kellogg 1941-5-11 2148 Riverside 1.5 miles North of Cottonwood Spring 975 Comment
  SD129281  Delphinium parryi Ed LaRue May 1989 Riverside Hills E of Beaumont, along Potrero Creek, I(c) mi. E of Old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR8150  Delphinium patens subsp. montanum B. Freeman 1969-6-19 690619- 5 Riverside San Jacinto Mtns, James Reserve 1646 Comment
  RSA581749  Dendromecon rigida M. Wall 1995-4-13 98 Riverside San Jacinto Mountains, along Hwy 243, 6.95 miles south of Interstate 10 out of Banning, road pull out by dirt road, 1993 burn area. Comment
  UC1126348  Dendromecon rigida R. St. John 1931-3-25 198 Riverside e Sierra Peak; Corona Quadrangle; SBM 762 Comment
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Nov 27 2011
  RSA519205  Dendromecon rigida subsp. rigida M. Lee Overholtzer 1962-7-4 291 Riverside n end of Cleveland National Forest; roadside on Skyline Drive between Voits cabin and tv-radio station. 1311 Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  RSA67308  Descurainia pinnata G. R. Campbell 1951-4-22 16000 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt. [Santa Rosa Mt Truck Trail]. 1371 Comment
  RSA500069  Descurainia pinnata subsp. glabra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3242 Riverside Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 487 Comment
  CAS-BOT-BC402294  Dicentra chrysantha H. M. Hall 1897-5-14 564 Riverside San Jacinto Mountains. At lower altitudes Comment
  UCR144102  Dichanthelium acuminatum subsp. fasciculatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Peninsular Ranges; Santa Ana Mountains region, Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary 579 Comment
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May 3 2007
  UCR108874  Dichelostemma capitatum Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA613449  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Victor Steinmann 1997-3-13 1443 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SEINET232554  Dichelostemma capitatum subsp. capitatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountians 1 mi up Bee Canyon off of Hwy 74 457 Comment
  RSA70375  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1919-4-12 s.n. Riverside Tahquitz canyon near Palm Springs. Comment
  UCSB7955  Dicoria canescens Dearing, Hugh; Dearing, Margaret 1939-11-12 Riverside W. Colorado Desert Comment
  UC1422542  Dieteria canescens var. ziegleri Jeanine Derby and Tim Krantz 1977-10-13 Riverside on 7SO2 3.6 mi se junction with highway 74 turnoff to Santa Rosa Peak; Santa Rosa Mts. 2377 Comment
  CAS-BOT-BC152909  Diplacus brevipes P. C. Everett; L. W. Lenz; E. K. Balls 1952-7-1 17274 Riverside 1.2 mi. se. of Lake [Fulmore] Fulmor on hwy from Banning to Idyllwild, San Jacinto Mts. 1280 Comment
  SD139995  Diplacus brevipes Scott White 1993-4-22 1227 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  CAS-BOT-BC153095  Diplacus fremontii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA0019425  Diplacus fremontii Christopher Davidson 1975-6-16 2808 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA613137  Distichlis spicata D. L. Banks 1997-3-6 1407 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR126932  Distichlis spicata Julie A. Greene, James C. Dice 1993-6-25 1380 Riverside San Jacinto Valley, San Jacinto Wildlife Area, sloping drainage from Davis Road 436 Comment
  UCD64340  Distichlis stricta A. A. Beetle 1942-4-22 3177 Riverside Beside Salton Sea. Comment
  JOTR37429  Ditaxis lanceolata La Doux, Tasha 2016-3-9 3664 Riverside Above Hayfield Dry Lake - Stop 3 524 Comment
  RSA0021557  Ditaxis neomexicana Duncan S. Bell, Aaron Sims 2012-3-10 2044 Riverside Orocopia Mountains; northeast section of range, approximately 4 air miles east of Chiriaco Summit. 497 Comment
  SD44842  Ditaxis neomexicana Darley F. Howe 1952-4-28 Riverside Chuckwalla Mountains Comment
  SEINET7997049  Ditaxis neomexicana Scott D. White 2006-3-14 11255 Riverside Coachella Valley, Eern Coachella Valley N of the 1-10 freeway a few mi E of Indio 152 Comment
  UCR198166  Ditaxis neomexicana Michael Honer, L. Hulse 2004-4-2 1885 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains, east Wide Canyon, near MWD aqueduct, c. 2 mi north of Dillon Road 488 Comment
  SD224894  Dithyrea californica A. C. Sanders, K. Rose & D. Woodard 1995-3-15 16142 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 328 Comment
  SD38011  Dithyrea californica Edith A. Purer 1935-4-21 6488 Riverside Near Palm Springs, western Colorado Desert (mak 6/07) Comment
  POM146277  Dodecatheon clevelandii J. B. Feudge 1927-3-14 1730 Riverside Highgrove, Riverside. 335 Comment
  UCSB52638  Downingia cuspidata Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau; Mesa de Colorado 609 Comment
  UC217960  Draba cuneifolia P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4781 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains, vic Corn Springs 457 Comment
  UC494460  Draba cuneifolia Philip A. Munz 1932-3-15 12009 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  POM20030  Drymocallis glandulosa var. reflexa Mary F. Spencer 1923-06 2198 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  UC12558  Drymocallis lactea var. lactea H. M. Hall July, 1901 2355 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley (San Jacinto Mountains, Southern California) 2499 Comment
  CAS-BOT-BC70827  Dryopteris arguta Scott D. White; Mike Wilcox 1995-7-11 3468 Riverside Southwest of Main Divide Truck Trail, upper forks of Decker Canyon, USGS 7 1/2' Alberhill quad. 731 Comment
  UCR101843  Dudleya B. G. Pitzer 1997-4-1 3043 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCSB2521  Dudleya cymosa DeWitt, Jack 1959-5-18 Riverside 11.9 miles south of Banning; on road to Idyllwild; San Jacinto Mtns. 975 Comment
  SEINET12218619  Dudleya formosa S. B. Parish, Parish, W. F. 1880-1 588 Riverside White Water Comment
  RSA782526  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 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. 526 Comment
  CAS-BOT-BC109669  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Alberhill Mountain. Lower slopes of south flank, just east of Claymine area. Comment
  UCR216953  Dudleya multicaulis John Dvorak, Karyn L. Drennen, Rose Cook 2010-4-29 02 Riverside Perris-Aguanga Basin, Gavilan Hills, Estelle Mountain, 145m west of main road to mining site on south, 25m east of smaller dirt road, in north-south drainage. 392 Comment
  SD48455  Dudleya saxosa subsp. aloides L. W. Lenz 1957-6-7 22623 Riverside Ca. 15 miles south of Hemet, along Highway 79. Comment
  UC115262  Dudleya saxosa subsp. aloides T. S. Brandegee 1902-1 Riverside near Palm Springs (Whitewater) Comment
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May 21 2013
  UCR213762  Dudleya saxosa subsp. aloides Scott D. White, Justin M. Wood 2009-4-28 12607 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  CAS-BOT-BC109724  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-3 834 Riverside Whitewater, near Banning. 300 Comment
  RSA144865  Dyssodia cooperi Peter H. Raven 1960-6-5 15499 Riverside Open Joshua Tree woodland, Queen Valley, Joshua Tree national Monument Comment
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Nov 13 2011
  RSA0054930  Echidiocarya californica Keith E. Hoffmaster 1936-4-26 711 Riverside Box Springs grade, Riverside. Comment
  SEINET3412075 Image available Echinocereus engelmannii var. engelmannii Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28522 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UC277044  Echinocereus mojavensis E. C. Jaeger May 1921 Riverside Little San Bernardino Mts. , Keyer Ranch (Keyer Ranch) Comment
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Apr 4 2011
  UCR47519  Ehrharta erecta Mira M. Bogen 1987-5-10 s.n. Riverside Riverside, along Van Buren Blvd. between bridge over Santa Ana River and sewer plant Comment
  CAS-BOT-BC112737  Eleocharis geniculata LeRoy Abrams 1926-3-26 11070 Riverside Palm Canyon Comment
  CAS-BOT-BC112738  Eleocharis geniculata H. M. Hall; L. A. Greata 1905-5-1 5984 Riverside Dos Palmas, Colorado Desert Comment
  SBBG119998  Eleocharis macrostachya A. C. Sanders, K. Volansky 2005-3-17 29234 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CAS-BOT-BC33440  Eleocharis montevidensis var. disciformis Harvey Monroe Hall 1901-6-1 2013 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  RSA593896  Eleocharis palustris Steve Boyd, David E. Bramlet 1996-4-19 8612 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  CAS-BOT-BC113304  Eleocharis parishii W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs Comment
  UCR2355  Elymus condensatus H. S. Fawcett 1914-8-21 1589 Riverside San Bernardino Valley/Upper Santa Ana River region, Temescal Canyon, near the road 381 Comment
  CSUSB447  Elymus glaucus Heather Hanson 1966-5-16 Riverside Camp Evans; At the foot of the western side of Mount. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  RSA179514  Elymus glaucus E. W. Lathrop 1960-6-7 4887 Riverside 14 miles west of Murieta. Relondo Mesa. Comment
  SD232143  Elymus glaucus Valerie Soza, Naomi Fraga 2003-6-25 1703 Riverside Peninsular Ranges, San Jacinto mountains region, slope above junction of Dark Canyon and Fuller Mill Creek. 455 Comment
  UCR146200  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: near Squaw Mountain, series of unpaved roads on east and north-facing slopes 823 Comment
  UCR22186  Elymus triticoides E. W. Lathrop 1960-6-9 4943 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  CLARK-A1528-2965  Emmenanthe penduliflora John C. Roos 1952-4-13 5534 Riverside Box Springs Mountains 396 Comment
  NY43125  Emmenanthe penduliflora J. B. Walker 1995-5-4 1415 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA357851  Emmenanthe penduliflora Robert F. Thorne, M. Z. Thorne 1973-3-30 42696 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  SD204900  Emmenanthe penduliflora R. F. Thorne, W. Wisura and Dave Michener 1982-5-24 55187 Riverside Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. 915 Comment
  RSA28641  Encelia actoni Louise Kellogg, A. M. Alexander 1941-5-18 2197 Riverside 2 miles NE of Cottonwood Spring, Eagle Mtns. Comment
  RSA596770  Encelia actoni D. L. Banks, K. D. Hedge 1996-5-16 1032 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, E of the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  UCR37412  Encelia actoni Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  UCSB38732  Encelia actoni Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  UCR101340  Encelia californica A. C. Sanders, N. Ferguson 1997-3-20 20066 Riverside Riverside area, March Air Force Base, west of Hwy 215 at west end of Cactus Ave., vicinity of former weapons storage facility 518 Comment
  JEPS30723  Encelia farinosa Peter H. Raven 1962-4-7 17113 Riverside 1.5 mi n of U. S. Highway 70-99; Whitewater Wash Comment
  JEPS34112  Encelia farinosa Newlon 1922-4-2 420 Riverside highway between Westmoreland and Indio; Colorado Desert Comment
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Feb 18 2013
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
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Feb 2 2013
  UCR100878  Encelia farinosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2695 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  POM7054  Encelia farinosa var. farinosa P. A. Munz, L. T. Street, Williams 1919-3-26 2337 Riverside Palm Springs. 213 Comment
  SEINET3406122 Image available Ephedra R. F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Colorado Desert; Little San Bernaardino Mountains region; Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs. 488 Comment
  JOTR35931  Ephedra aspera De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6879 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  NY70188  Ephedra aspera L. M. Shultz 1985-4-10 8330 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15) 615.7 Comment
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Apr 5 2011
  RSA383861  Ephedra aspera N. R. Zabriskie 1969-1-4 177 Riverside Andreas Canyon near Palm Springs. Comment
  UCR41522  Ephedra aspera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6142 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  JOTR34294  Ephedra californica Andre, Jim 2012-4-11 20703 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
  RSA383875  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  RSA383877  Ephedra californica H. de Forest 1929-4-15 s.n. Riverside Between Whitewater & Palm Spring. Open Desert. Comment
  RSA383881  Ephedra californica N. C. Cooper 1944-3-25 1040 Riverside Morongo Pass. 457 Comment
  RSA708653  Ephedra californica Scott D. White 2005-3-29 10841 Riverside Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway., West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  RSA772007  Ephedra californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4966 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
  UCR228390  Ephedra californica Thomas R. Stoughton, J. McConnaughy, Andrew Monks, Malia Volke 2010-3-31 118 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111 740 Comment
  RSA0065425  Ephedra fasciculata Peter Gail 1961-5-6 s.n. Riverside Palms to Pines Highway; 125' off road, San Jacinto Mountains. Comment
  CAS-BOT-BC81821  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  RSA678363  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UC813704  Ephedra nevadensis Ivan Johnston Riverside Palm Canyon Colorado Desert, Palm Canyon 304 Comment
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Jul 4 2015
  GMDRC9376  Ephedra trifurca J. M. Andre 2017-3-4 37176 Riverside along west side of US Hwy 95, 21.4 mi. south of Vidal Junction, just north of Big Maria Mountains 123 Comment
  HSC88285  Ephedra trifurca Elizabeth Neese 1979-4-11 7108 Riverside 3 mi. S of Rue, 40 mi. NW of Blythe Comment
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Jul 8 2010
  RSA162774  Epilobium oregonense J. D. Olmsted 1959-7-1 713 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
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Jun 21 2008
  RSA33551  Equisetum hyemale var. affine Norman C. Cooper 1177 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  UCR515  Equisetum laevigatum Eugene Cardiff 1954-4-5 s.n. Riverside San Bernardino Valley Region, Santa Ana River, near Pedley 207 Comment
  JOTR29223  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1336 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  RSA450452  Eragrostis curvula J. C. Roos 1965-9-16 s.n. Riverside Lakeview Comment
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Sep 19 2018
  JEPS74000  Eragrostis pectinacea var. pectinacea S. B. Parish 1912-6-27 8101 Riverside Mecca Comment
  RSA432716  Eremalche rotundifolia N. C. Cooper 1949-4-8 3292 Riverside Shaver s Summit east of Indio. 610 Comment
  CAS-BOT-BC160221  Eremothera boothii subsp. desertorum N. Aitkenhead 1977-2-2 2179 Riverside ~1 mi. from inter. of JT Mon Rd & pipeline Comment
  SBBG81712  Eremothera chamaenerioides S. A. Junak 1983-3-24 1657 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SBBG87906  Eremothera refracta A. C. Sanders, B. Pitzer, D. Charlton 1986-3-2 6059 Riverside Chuckwalla Bench, S side of the Chuckwalla Mtns, on the Bradshaw Rd ca. 2 mi E of the gasline rd 640 Comment
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Jun 1 2011
  UC1929913  Eriastrum densifolium subsp. austromontanum Scott D. White, Angelia Carey 2004-7-2 10569 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UC880209  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs Joshua Tree Nat. Monument Comment
  CAS-BOT-BC514463  Eriastrum eremicum subsp. eremicum Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  RSA0120087  Eriastrum eremicum subsp. eremicum N. C. Cooper 1944-5-20 2643 Riverside Palm Springs. 137 Comment
  RSA0120100  Eriastrum eremicum subsp. eremicum P. A. Munz, P. C. Everett 1952-5-2 16257 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  SEINET10424706 Image available Eriastrum sapphirinum subsp. dasyanthum Norman C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  UCSB26194  Eriastrum sapphirinum subsp. sapphirinum Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwild Road, San Jacinto Mountains 1600 Comment
  UC101091  Ericameria cooperi var. cooperi H. M. Hall 1901-5-1 Riverside vicinity of Riverside (w Riverside hills) Comment
  RSA314172  Ericameria cuneata Walter Wisura 1983-11-12 3950 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC287641  Ericameria linearifolia Frank W. Peirson 1921-3-21 2380 Riverside Gordon Trail, E slope San Jacinto Mts 914 Comment
  UC527316  Ericameria linearifolia C. B. Wolf 1931-5-11 Riverside rocky ridges above Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  POM194706  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar. Comment
  UC415762  Ericameria palmeri var. pachylepis E. C. Jaeger 1921-11-15 Riverside Morongo Pass Comment
  UC63169  Ericameria pinifolia H. M. Hall 1901-6-1 Riverside Onstatt's Valley San Jacinto Mts. Onstatt Valley 1615 Comment
  UCR89884  Ericameria pinifolia A. C. Sanders 1995-11-26 17908 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  RSA736548  Erigeron foliosus Scott D. White, Angelia Carey 2004-7-2 10585 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA751929  Erigeron foliosus Scott D. White, Justin M. Wood 2009-5-21 12837 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR179208  Erigeron foliosus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 382 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  CAS-BOT-BC296232  Erigeron foliosus var. foliosus Mrs. J. D. Abrams 1901-5-19 s.n. Riverside Elsinore Comment
  UCR24001  Eriochloa acuminata Alfred R. Roos 1937-11-28 s.n. Riverside East Washington Street, Riverside 457 Comment
  CAS-BOT-BC278488  Eriochloa aristata J. C. Roos 1965-9-26 s.n. Riverside In Indio Comment
  CAS-BOT-BC189080  Eriodictyon crassifolium N. K. Berg 1904-4-3 s.n. Riverside San Jacinto Comment
  UC708743  Eriodictyon crassifolium H. K. Wagnon 1944-5-30 405 Riverside along Tahquitz Creek (Palm Springs); along Tahquitz Creek, Palm Springs Comment
  UCR140621  Eriodictyon crassifolium var. crassifolium Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 57 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  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
  CAS-BOT-BC33641  Eriogonum apiculatum Ralph E. Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mt. 2133 Comment
  HSC80074  Eriogonum apiculatum Dave Goodward 1985-9-29 Riverside San Jacinto Mtns. edge of Soboba Burn, rim of Hall Canyon above UC James Reserve 1677 Comment
  JEPS57092  Eriogonum apiculatum Marjorie D. Clary 1932-11-14 1675 Riverside Palms to Pine Road San Jacinto Mts. 1310 Comment
  SD67905  Eriogonum apiculatum Reid Moran 1968-8-3 15355 Riverside at roadside, ridge 1 mile NW of Toro Peak 2250 Comment
  UCR18394  Eriogonum apiculatum A. C. Sanders 1978-9-3 549 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA338175  Eriogonum brachyanthum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53581 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  JOTR32853  Eriogonum brachypodum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1167 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  RSA777396  Eriogonum clavatum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 788 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  JOTR31100  Eriogonum davidsonii La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2358 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  UCR26621  Eriogonum davidsonii E. W. Lathrop 1966-5-29 6392 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCR268302  Eriogonum davidsonii Jim Andre 2012-6-15 30517 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 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
  JEPS20728  Eriogonum deflexum var. deflexum Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13258 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property); Little Maria Mts. Comment
  POM305214  Eriogonum deflexum var. deflexum Henry J. Ramsey, Henry J. Ramsey 1939-11-28 592 Riverside Indio-(20 mi. east) Comment
  JEPS57021  Eriogonum elongatum var. elongatum Marjorie D. Clary 1932-9-22 1562 Riverside n Banning; San Gorgonio Mts. 914 Comment
  SD122175  Eriogonum elongatum var. elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch, next to road 380 Comment
  UC537241  Eriogonum elongatum var. elongatum M. E. Jones 1933-12-29 Riverside Palm Springs Comment
  UCR177510  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32529 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  HSC17274  Eriogonum fasciculatum var. foliolosum D. W. Snell 1964-3-26 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet Comment
  CAS-BOT-BC250140  Eriogonum fasciculatum var. polifolium Munz; Street 1919-5-7 2745 Riverside Palm Springs 198 Comment
  UC1032087  Eriogonum fasciculatum var. polifolium A. Lewis Mar 1933 176 B Riverside 1 1/2 mi n Temescal; Riverside Quadrangle Comment
  UCR203961  Eriogonum gracile var. gracile Michael Wall 2008-10-6 494 Riverside Perris-Aguanga Basin, San Jacinto Valley, Bautista Road southeast of Hemet, Bautista Creek c. 6.0 mi southeast of Fairview Ave. 778 Comment
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Nov 18 2011
  RSA487225  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6614 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 mile northeast of California Hwy 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center. 1585 Comment
  UCR16537  Eriogonum inflatum K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  UCSB50287  Eriogonum inflatum Reisentz, Paul 1977-7-15 Riverside 7 miles NE of Mecca 60 Comment
  RSA393696  Eriogonum molestum N. C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UCR242665  Eriogonum nudum subsp. pauciflorum A. C. Sanders 2013-7-6 40853 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  UC454350  Eriogonum nudum var. pauciflorum I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  RSA766164  Eriogonum pusillum Joseph A. Ewan 1929-3-23 179 Riverside Whitewater canyon, 457 Comment
  UCSB1532  Eriogonum pusillum Walker, Clifford 1954-4-10 Riverside slope mouth of White Water Canyon Comment
  RSA249857  Eriogonum saxatile Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38135 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1677 Comment
  JEPS56249  Eriogonum thomasii J. Ewan 1930-4-18 3044 Riverside 3 mi e on road into Big Morongo Painted Hill 304 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
  RSA0121005  Eriogonum thomasii Duncan S. Bell, LeRoy Gross 2016-3-8 8828 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA550279  Eriogonum thomasii Walter Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  RSA0009729  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Shaver's Well Comment
  CHSC1328  Eriogonum thurberi Sonia R. Westerberg 1938-5-16 Riverside Palm Springs. Comment
  JEPS56272  Eriogonum thurberi Dr. L. M. Newlon 1922-4-5 462 Riverside e Palm Springs; San Jacinto Mts. Comment
  POM2304  Eriogonum thurberi S. B. Parish 1917-6-11 11363 Riverside Santa Ana River. Comment
  UCD170271  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside SE Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek. 487 Comment
  UCR160283  Eriogonum thurberi A. C. Sanders 1990-5-21 10022 Riverside San Jacinto Valley, Sanderson Ave. near Gilman Springs Rd., NW of San Jacinto 457 Comment
  JEPS56291  Eriogonum trichopes W. L. Jepson 1920-5-1 8916 Riverside Palm Springs of Mt. San Jacinto 137 Comment
  RSA656534  Eriogonum trichopes A. C. Sanders 2000-4-27 23372 Riverside east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR281931  Eriogonum wrightii var. nodosum A. C. Sanders, Jim Malusa 2017-9-19 43340 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 4.65 km SW (211 deg. ) of Tabaseca Tank 744 Comment
  SEINET8687228 Image available Eriophyllum ambiguum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs 150 Comment
  SEINET7073391  Eriophyllum confertiflorum A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  SBBG122776  Eriophyllum multicaule A. Parikh 1990-4-23 154 Riverside E of Gavilan Pk, 0.2 km S of Ida Leona Rd, 1 km E of Gavilan Rd 627 Comment
  SBBG61084  Eriophyllum multicaule M. N. Ackley 1928-4-3 281 Riverside Clary's Cyn 213 Comment
  UCR249827  Eriophyllum multicaule T. B. Salvato, John Lovio 2013-3-19 7366 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UC1259282  Eriophyllum wallacei T. J. Watson Jr. 1970-3-25 369 Riverside Cottonwood Springs; Joshua Tree National Monument Comment
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Oct 9 2010
  UCR120912  Erodium brachycarpum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24950 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCD103199  Erodium cicutarium Barry Priggs; L. Martinez 1978-3-23 2400 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Rd. 274 Comment
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Sep 9 2013
  UCR213836  Erodium cicutarium Scott D. White, Justin M. Wood 2009-5-21 12850 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  RSA614122  Erodium cicutarium D. L. Banks 1997-2-23 1289 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA282905  Erysimum capitatum var. capitatum C. W. Tilforth, John Dourley 1980-7-15 2069 Riverside Along Thomas Mtn Road, south of Lake Hemet, W of Hwy 74. Comment
  RSA0015879  Erythranthe moschata N. C. Cooper 1949-6-29 4344 Riverside Pine Cove, San Jacinto Mts. 1829 Comment
  SD152745  Erythranthe palmeri Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7349 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream from conflunence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  UCD101786  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  CAS-BOT-BC403359  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian Wash just south of Interstate 15 Comment
  CLARK-A1656-727  Eschscholzia californica Alice Wilkinson 1981-3-14 Riverside Palm Springs Comment
  UCR115942  Eschscholzia californica Mitch Provance 1998-6-11 675 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  CAS-BOT-BC418699  Eschscholzia glyptosperma N. Aitkenhead 1977-2-2 2189 Riverside ~1 mi. from junction of J.T. Mon Rd & pipeline Comment
  UCD94204  Eschscholzia glyptosperma Shannon M. Still 2008-3-21 315 Riverside California. Riverside County: Little Maria Mountains on Midland Road. North of pass through the mountains just off west side of the road. 271 Comment
  LA26245  Eschscholzia minutiflora Richard Snow; 1952-4-14 10 Riverside Cottonwood Springs Rd, 7.2 mi from Hwy 60/70 Comment
  RSA708491  Eschscholzia minutiflora Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10876 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  UCR51968  Eschscholzia minutiflora Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross, S. Meury 1988-3-10 2116 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA0023224  Eschscholzia papastillii M. B. Dunkle 1933-3-4 3063 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCD96464  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 257 Riverside California. Riverside County: Joshua Tree National Park. 810 Comment
  JEPS51694  Eschscholzia parishii W. L. Jepson 1927-4-12 11668 a Riverside Painted Canyon; Mecca Hills 76 Comment
  RSA25313  Eschscholzia parishii C. L. Hitchcock 1940-3-29 5861 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  SBBG87809  Eschscholzia parishii A. C. Sanders, D. Charlton, B. Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mtns 502 Comment
  UCSB18266  Eschscholzia parishii Day, Fran 1964-3-23 Riverside 4.2 miles N of south entrance to Joshua Tree National Monument 762 Comment
  UCSB21620  Eschscholzia parishii Shaw, M. 1964-4-5 Riverside 1.5 miles east of junction of State Highway 195 and turn-off to U.S. Highway 70 to Joshua Tree National Monument 594 Comment
  SD186255  Eucalyptus camaldulensis A. C. Sanders 2004-6-20 28230 Riverside Temescal Canyon, between Glen Ivy Hot Springs and Arcilla. 292 Comment
  SDSU12879  Eucalyptus camaldulensis J. Jill Steinberg, Leon Steinberg 1998-4-5 36 Riverside Ca. 50 yards north of abandoned trailer northwest of entrance gate to Santa Magarita (SDSU) Field Station, in abandoned grove of Eucalyptus just south of small stream. 311 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  JOTR32027  Eucrypta micrantha La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2257 Riverside Joshua Tree National Park. Pinto Basin, near Turkey Flats back country parking lot; open gravelly flats (Stop 4) 518 Comment
  RSA0123082  Eucrypta micrantha Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8975 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  LA104420  Euonymus occidentalis var. parishii Robert F. Thorne; 1969-10-25 41851 Riverside San Jacinto Mountains, James Reserve Comment
  UCR240267  Euphorbia abramsiana Neal Kramer, Wendy McBride 2012-9-3 2068 Riverside Sonoran (Colorado) Desert, south side of Power Line Rd c. 2.75 miles east of Wily's Well Rd and 1.65 miles south of I-10 Fwy 129 Comment
  UCR191541  Euphorbia albomarginata A. C. Sanders 2008-4-15 34888 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  RSA0019014  Euphorbia eriantha Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6038 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  UCR101579  Euphorbia eriantha Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR260829  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-3-11 41397 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  UCR114025  Euphorbia maculata Mitch Provance 2000-6-24 2048 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR95421  Euphorbia micromera L. C. Wheeler 1966-10-15 8982 Riverside San Jacinto Mtns., near Black Hill, by Pines to Palms Hwy. 976 Comment
  POM96853  Euphorbia misera M. French Gilman 1926-5-9 A- 14 Riverside Whitewater Grade Comment
  RSA599290  Euphorbia ocellata subsp. ocellata L. C. Wheeler 1952-10-29 7010 -a Riverside Riverside. Citrus Experimental Station. Comment
  UCR214124  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37732 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR97280  Euphorbia polycarpa Scott D. White 1993-3-12 1167 Riverside Near Winchester 466 Comment
  RSA48329  Euphorbia polycarpa var. hirtella E. K. Balls 1949-4-4 12965 Riverside between Durmid and Salton on Highway 111, Colorado Desert. 0 Comment
  SD181571  Euphorbia prostrata Scott D. White 2001-6-22 8599 Riverside Corona; Bajada below the Santa Ana Mountains, near the junction of Cleveland Way and Fullerton Ave. 381 Comment
  UCR264457  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41850 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  SD186235  Eustoma exaltatum G. R. Ballmer 2003-11-22 Riverside Northern Paloverde Valley, east of Highway 95, ca. 5.0 miles northeast of Blythe. 86 Comment
  RSA114349  Fagonia pachyacantha Percy C. Everett, E. K. Balls 1956-5-2 21556 Riverside East base of Eagle Mts., 4 miles north of turn-off of Hwy. 60/70, west of Desert Center 305 Comment
  UCR279361  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-24 42983 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  UCR279525  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-29 43188 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR207187  Fatoua villosa O. F. Clarke 2003-9-3 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR113151  Festuca microstachys A. C. Sanders 1998-3-11 21680 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR158252  Festuca myuros A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30116 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
  CLARK-A1528-4663  Festuca octoflora John C. Roos 1952-4-9 5483 Riverside Riverside 259 Comment
  UCR33689  Festuca octoflora Sears 1978-3-16 827 Riverside Sonoran (Colorado) Desert, 2.5 mi NW of Midland, in wash area beyond gap between Little Maria and Big Maria Mtns 270 Comment
  RSA387345  Filago arizonica Steve Boyd 1986-5-7 1825 Riverside Temescal Canyon Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  UCR20331  Filago californica John C. Roos 1952-4-9 5510 Riverside San Bernardino Basin Region, Riverside, southeast face of Mount Rubidoux 335 Comment
  UCR261411  Filago depressa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41432 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
  RSA387347  Filago gallica Steve Boyd 1986-5-7 1842 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  CAS-BOT-BC223588  Fouquieria splendens subsp. splendens J. Beley 1974-2-21 0448 Riverside Eagle Mt. Rd. about 3 miles west of Desert Center Comment
  POM230678  Frangula californica subsp. californica I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. Hillsides. 1650 Comment
  CAS-BOT-BC211660  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore Comment
  RSA0116269  Frankenia salina Mitch Provance, Ken Halama 2003-6-15 17046 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR110915  Frankenia salina A. C. Sanders, K. C. Rose 1999-6-18 22821 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR182511  Frankenia salina Mitch Provance 2005-5-17 6563 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 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
  SDSU12976  Fraxinus velutina Michael G. Simpson 1999-10-27 2041 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SDSU14313  Fraxinus velutina Kristin Andrade, Mike Simpson 2002-4-20 15 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 223 Comment
  UCD122024  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA557902  Fritillaria biflora Steve Boyd, Orlando Mistretta 1992-4-22 7013 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CLARK-A1528-688  Fumaria officinalis Olga Kersteiner 1963-3-12 Riverside Indio Comment
  POM346577  Funastrum cynanchoides var. hartwegii Barry Burnell 1970-3-24 163 Riverside 2 miles up Tramway Road off Hwy 111 Chino Canyon, San Jacinto Mts. 457 Comment
  POM97113  Funastrum cynanchoides var. hartwegii P. A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  CAS-BOT-BC177362  Funastrum hirtellum Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11246 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial county line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at... Comment
  SD181719  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95. 89 Comment
  RSA775264  Galium Duncan S. Bell 2011-4-8 2207 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  POM13009  Galium andrewsii subsp. andrewsii Philip A. Munz, I. M. Johnston 1922-5-19 5436 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  CLARK-A1528-1351  Galium angustifolium Charles S. Papp 1964-6-6 508 Riverside Cleveland National Forest 853 Comment
  SDSU71  Galium angustifolium subsp. angustifolium S. J Barnhart 1966-4-24 660424 -4 Riverside SW facing slope of small hill .1 mile E of McAllister St along the metropolitan water co. utility rd (dirt) , which is 1.5 miles SE of the intersection of McAllister St and Victoria Ave. 457 Comment
  UCR146246  Galium angustifolium subsp. jacinticum R. F. Thorne, Et al. 1969-6-24 38134 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  UCR213474  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37842 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCD170417  Galium californicum subsp. primum D. O. Burge 2017-3-12 2224 Riverside Pine Cove area, roadside on Red Hill Road. 1720 Comment
  UC511835  Garrya flavescens Frank W. Peirson 1933-4-13 10644 Riverside road from Deep Canyon to Idyllwild 1524 Comment
  RSA690934  Gastridium phleoides Scott D. White, Michael Honer 2003-5-27 9414 Riverside 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
  OBI5804  Gayophytum heterozygum Carl B. Wolf 1932-8-4 3912 Riverside San Jacinto Mts. Point View near Idyllwild 1646 Comment
  CAS-BOT-BC303566  Geraea canescens K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd ca 20 miles W of Blythe Comment
  JOTR32025  Geraea canescens La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2255 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; gravelly slopes and benches (developing desert pavement) interspersed with sandy pockets (Stop 2) 495 Comment
  JOTR35038  Geraea canescens La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3491 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
  POM358658  Geraea canescens H. S. Gentry 6201 Riverside 15 miles N of Desert Center, Riverside County? Comment
  RSA781908  Geraea canescens Duncan S. Bell 2010-5-1 900 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  UCR167202  Geraea canescens S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  SEINET9122025  Geraea canescens K. K. Muller 1965-1 1275 Riverside Vacant fields at edge of Indio, very common in sandy soil. Comment
  RSA0036704  Geranium carolinianum Robert F. Thorne 1973-5-23 43879 Riverside SANTA ROSA PLATEAU: Mesa de Colorado 610 Comment
  UCR193133  Gilia A. C. Sanders, Tim Thomas 2008-6-20 35528 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  RSA523543  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4003 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR111601  Gilia angelensis Mitch Provance, J. Ross 1999-4-1 1734 Riverside Jurupa Mountains, Pediment of the extreme W end of the range, on the E side of Country Village Road. 250 Comment
  UCR274294  Gilia angelensis T. B. Salvato, Gregg Miller 2005-6-7 1444 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR5633  Gilia angelensis Duane Hobson 1966-3-22 17 Riverside Hill behind UCR. 100 yds. behing old agricultural directors house. 271 Comment
  RSA597804  Gilia angelensis Scott D. White 1996-3-31 3871 -A Riverside Elsinore Basin Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 439 Comment
  RSA612687  Gilia angelensis D. L. Banks 1997-3-29 1611 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA67306  Gilia diegensis G. R. Campbell 1951-4-22 16003 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  UC908041  Gilia latifolia Herbert L. Mason 1928-3-10 4203 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  RSA0016287  Gilia ochroleuca subsp. exilis P. A. Munz 1927-5-21 10859 Riverside Coahuila. 1372 Comment
  RSA0017102  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SD114222  Gilia ochroleuca subsp. exilis Darley F. Howe 1969-5-15 4589 Riverside Near Dripping Springs camp ground. 456 Comment
  HSC87144  Gilia stellata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2111 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA0124746  Gilia stellata Duncan S. Bell, LeRoy Gross 2016-3-9 8839 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA125302  Gilia stellata P. H. Raven 1958-2-15 11573 Riverside 24.7 miles east of turn to Corn Springs, Chuckwalla Mountains. Comment
  RSA469738  Gilia stellata Christopher Davidson 1973-4-1 1836 Riverside Palm Springs. 488 Comment
  CAS-BOT-BC266505  Githopsis diffusa Steve Boyd 1986-4-22 1771 Riverside Temescal Canyon: E side of Indian Wash, grading into abandoned Olive grove, S of I-15 Comment
  RSA585521  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0386 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  POM157911  Githopsis diffusa subsp. filicaulis P. A. Munz 1927-5-20 10807 Riverside 10 miles S. of Hemet. Comment
  SEINET1008980  Glandularia pulchella A. C. Sanders, B. Pitzer, D. Charlton 1986-1 16 -B.G. Riverside Cultivated on grid cell # A-3, near B-3 border. 396 Comment
  CAS-BOT-BC435005  Glinus lotoides Steve Boyd 1981-9-2 s.n. Riverside Gavilan Hills region, north base of the range, south of Lake Mathews in muddy pool in drainage on south side of Cajalco Road, 1 mile west of Archer Road. Comment
  CLARK-A1528-1847  Gnaphalium bicolor John C. Roos 1952-2-29 5374 Riverside Reche Canyon 548 Comment
  RSA613420  Gnaphalium californicum D. L. Banks 1997-4-5 1671 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  POM11935  Gnaphalium chilense Mary F. Spencer 1921-5-28 1640 Riverside Near San Jacinto 549 Comment
  CLARK-A1528-222  Gnaphalium microcephalum Ken F. Clarke 1971-9-7 Riverside Jurupa Comment
  CAS-BOT-BC307397  Gnaphalium palustre F. W. Peirson 1930-5-10 8769 Riverside Hemet Plateau, near March Field road from Riverside to Perris 457 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
  UCR37617  Gnaphalium palustre George K. Helmkamp 1984-5-2 D- 21 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR1195  Gnaphalium stramineum Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 20 ft from north side of Tenaja Rd., 11 mi from the junction with Washington Ave, Murrieta [vicinity of Squaw Mtn.] 701 Comment
  UCR27182  Gnaphalium stramineum A. C. Sanders, S. Hagopian 1981-5-20 2138 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA614386  Gutierrezia californica Scott D. White 1997-5-25 5246 b Riverside Perris Basin: Winchester Area: Hills S of Patton Ave. and W of Winchester Rd., ca. 2 air mi SW of jct Winchester Rd and Simpson Ave. 457 Comment
  UCR114845  Gutierrezia californica Mitch Provance 1998-2-17 59 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR94642  Gutierrezia californica Scott D. White 1996-5-27 4077 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  CAS-BOT-BC302144  Gutierrezia sarothrae A. M. White 1974-6-5 1418 Riverside Ca. 2.5 mi. from Corona freeway, Alberhill turnoff 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
  UCR102841  Harpagonella palmeri A. C. Sanders 1997-4-3 20172 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA0066625  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  RSA713800  Hedera canariensis A. C. Sanders 2001-4-4 23910 Riverside Riverside: UCR campus; fence north of greenhouses SE of Boyce Hall, ca. 50 m west of E Campus Dr. 348 Comment
  UCR176082  Hedypnois cretica Teresa Nieto 2005-4-14 02 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
  SEINET13387099 Image available Helianthemum scoparium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8350 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 (Corona South 7.5' Q.) 424 Comment
  RSA487432  Helianthemum scoparium var. vulgare Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA0018590  Helianthus annuus Duncan S. Bell 2013-1-30 4456 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  SDSU13563  Helianthus annuus W. Miller with C. Mosse 1972-7-11 Riverside Comment
  CLARK-A1656-881  Helianthus annuus subsp. lenticularis Jim Cornett 1977-7-10 Riverside Thermal 0 Comment
  SEINET3147439  Helianthus gracilentus J. L. Strother 1970-7-7 994 Riverside Just S of Alberhill Comment
  UCR41324  Helianthus gracilentus N. M. Fellows, A. C. Sanders 1985-5-7 177 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  SJSU10556  Helianthus petiolaris subsp. canescens T. G. Balgooyen 1966-4-4 Riverside 1 mi S of Palm Springs Comment
  RSA764878  Heliotropium curassavicum Justin M. Wood 2010-9-8 2597 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  POM14105  Heliotropium curassavicum var. oculatum P. A. Munz, D. D. Keck 1922-4-9 4880 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UCR135863  Hemizonia A. C. Sanders 2004-4-20 27574 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR121195  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1878 Riverside Perris-Aguanga Basin region, Lake Skinner County park, south side of the lake c. 2500 ft. east of dam 448 Comment
  UCR202019  Hemizonia kelloggii 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
  UCR94883  Hemizonia kelloggii P. J. MacKay, R. Baxter 1996-10-3 24 Riverside Menifee Valley, NW corner of Hwy 215 and Newport Road. 434 Comment
  RSA663305  Hemizonia paniculata Mitch Provance 1998-3-6 702 Riverside Jurupa Mountains: Glen Avon Hts., Boulder Park, 0.7 km W of Pyrite St.on the N side of Granite Hill Dr. 305 Comment
  RSA689385  Hemizonia paniculata Scott D. White 2003-6-9 9522 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR119407  Hemizonia paniculata Mitch Provance 1998-6-20 704 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
  UCR89249  Hemizonia paniculata Scott D. White 1995-9-22 3680 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA586142  Hesperocnide tenella D. L. Banks, Steve D. Boyd 1995-3-16 104 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  RSA715314  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 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
  CAS-BOT-BC131794  Hesperoyucca whipplei C. B. Wolf 1931-5-11 1943 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  SDSU4589  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T3S, R3S, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UCR92394  Heterotheca sessiliflora subsp. echioides F. M. Reed 1907-10-20 1978 Riverside South Coast; San Bernardino Valley, Sandy mesa in W Riverside, Crestmore townsite 275 Comment
  CAS-BOT-BC26196  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  UCSB42205  Heterotheca subaxillaris Roos, John 1965-9-26 Riverside 2 miles south of Jackson St., Indio Comment
  UCR189800  Heuchera hirsutissima Diane Menuz 2007-6-19 305 Riverside Peninsular Ranges, San Jacinto Mountains, Pacific Crest Trail, along Fuller Ridge 2724 Comment
  CAS-BOT-BC203346  Hibiscus denudatus A. Davidson 1893-1-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CLARK-A1528-3226  Hibiscus denudatus John C. Roos 1939-4-6 4145 Riverside Orocopia Mountains Comment
  POM118516  Hibiscus denudatus Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA0025285  Hibiscus denudatus Jim Andre 2013-3-4 23876 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  RSA792932  Hibiscus denudatus Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 145 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  OBI21905  Hilaria rigida Robert F. Hoover 1966-10-15 10179 Riverside Bighorn Dr, San Jacinto Mts Comment
  SEINET3011912 Image available Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado ) Desert; Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder 7.5' Q.). 130 Comment
  CAS-BOT-BC540739  Hoffmannseggia glauca Sarah J. De Groot; Amy Rouillard 2015-9-15 7570 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UCR134637  Hoffmannseggia glauca Nancy K. Cione 2004-5-2 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, NE of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  CAS-BOT-BC207561  Hoffmannseggia microphylla Roxana S. Ferris 1918-6-14 979 Riverside in box canyon [canon] near Shavers Well on Mecca-Blythe Rd. Comment
  SBBG29199  Hoffmannseggia microphylla K. K. Muller 1967-9-14 1419 Riverside 5 mi E of Indio Comment
  SJSU5169  Hoffmannseggia microphylla L. M. Stotelmyre 1970-3-25 70 Riverside 8 km E of Indio Comment
  UCSB18783  Hoffmannseggia microphylla Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 32.2 miles W of Desert Center 304 Comment
  UCSB3084  Hoffmannseggia microphylla Graney, Don 1953-3-21 Riverside Colorado Desert Comment
  UCR113936  Holcus lanatus Mitch Provance 2000-6-24 2051 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA234097  Hordeum brachyantherum subsp. californicum R. F. Thorne, E. W. Lathrop 1969-5-12 37936 Riverside Santa Rosa Plateau: Vernally moist drainage way of large vernal marsh, Mesa de Colorado, Rancho California. Comment
  RSA736245  Hordeum depressum Scott D. White, Justin M. Wood 2008-4-3 11804 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR154540  Hordeum marinum Jason L. Hlebakos 2005-5-18 709 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  SD224800  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18061 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th streets, alkaline flats along the E side of the river channel. 433 Comment
  UCR182376  Hordeum murinum Andrea Salzman, Carlos Navarro 2006-5-9 97 Riverside Peninsular Range, San Jacinto Mountain foothills, San Jacinto Wildlife Area, east of Davis Road near duck ponds 436 Comment
  UCR41803  Hordeum murinum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6035 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA500089  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3222 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  UC114266  Horkelia clevelandii A. W. Anthony 1895-7-1 Riverside San Jacinto Mts. Comment
  JEPS68630  Horsfordia alata Mrs. Ben L. Clary before Apr. 1930 Riverside Coachella Valley Colorado Desert Comment
  POM12884  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside Zigzag on trail S of Hidden Lake. 2348 Comment
  UCSB26726  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  UCR149981  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-5-7 10329 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR137643  Hymenoclea salsola G. A. Reese, S. Kaime 1998-4-6 4708 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  CAS-BOT-BC312860  Hymenoxys odorata W. L. Jepson 1912-10-22 5260 Riverside Palo Verde Valley 137 Comment
  SBBG72735  Hypericum anagalloides R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  UCR174062  Hypochaeris glabra A. C. Sanders 2006-5-19 32439 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
  POM294817  Hyptis emoryi Lyman Benson 1945-11-11 11963 Riverside Palm Springs. -30 Comment
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Apr 25 2011
  UCSB5692  Hyptis emoryi Leeuwen, Henry 1957-4-13 Riverside Next to Cal Hwy 195 about 4 miles west of US 60 Comment
  UCR19014  Imperata brevifolia John C. Roos 1965-7-22 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  UCR20456  Imperata brevifolia John C. Roos 1949-9-7 4655 Riverside Sonoran (Colorado) Desert, 1 mi west of Whitewater bridge on Hwy 99 along a canal 396 Comment
  UCD126496  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside south of Ave. 60, 0.2 mile east of Jackson St., around 6 miles south of Indio. Comment
  UCR80809  Iris hartwegii Scott D. White 1993-5-29 1467 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  RSA22388  Isocoma acradenia var. eremophila L. S. Rose 1936-12-18 36788 Riverside Desert wash, Palm Springs. Comment
  SD181693  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon. 334 Comment
  SD90574  Isoetes howellii Robert F. Thorne, Earl Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau, Rancho California, large vernal marsh on south end of Mesa de Colorado 625 Comment
  UC1950034  Isoetes howellii R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55204 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
  UCR37791  Isomeris arborea A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  UCR84501  Isomeris arborea var. globosa Steve Boyd 1994-10-14 8402 Riverside S Santa Ana Mtns, Santa Rosa Plateau, E of the Tenaja Guard Station of the Cleveland Nat'l Forest, at the intersection of Tenaja Road and Wildomar Truck Trail (7S01) 671 Comment
  RSA544400  Iva axillaris subsp. robustior Steve Boyd, Tim Ross 1991-6-14 6368 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
  CAS-BOT-BC475156  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 Riverside Peninsular Range: UC Emerson Oaks Reserve, 8 mi SE of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Rd in vicinity of water tank 487 Comment
  CLARK-A1703-1214  Jasminum mesnyi Charles S. Papp 1965-1-12 805 Riverside Riverside Comment
  RSA613135  Jepsonia parryi D. L. Banks 1997-3-6 1405 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR49988  Jepsonia parryi S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  SEINET8518930  Johnstonella angustifolia K. L. Chambers, H. L. Chambers 2004-4-6 6387 Riverside Plain just S of S border of Joshua Tree National Park, Cottonwood Springs Road, 0.25 mile N of Hwy [Interstate] 10, 22 miles E of Indio. Comment
  UCR241779  Juglans A. C. Sanders, Timothy W. Chumley 2013-4-2 40732 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR111568  Juncus balticus Mitch Provance 1999-5-4 1687 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM1552  Juncus bufonius Phillip A. Munz 1918-4-27 2140 Riverside Between Temescal [Creek/ Valley] and Murietta Comment
  RSA543622  Juncus bufonius Steve Boyd 1991-5-7 6157 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SBBG104066  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside western edge of Hemet, NE corner of intersection of Myers St and Devonshire Ave, 0.75 mi NE of the jct of Florida Ave (Hwy 74) and Warren Rd, just S of Tres Cerritos 460 Comment
  UCR21523  Juncus bufonius Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  RSA0013145  Juncus bufonius var. bufonius LeRoy Gross, Caitlin Elam 2013-5-14 6071 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
  RSA623560  Juncus bufonius var. bufonius R. E. Riefner 1998-7-10 98 -416 Riverside Menifee Valley Comment
  RSA293328  Juncus dubius C. W. Tilforth, Walter Wisura 1981-7-10 2114 Riverside South leg of Red Mountain loop, east of Highway R3, south of Hemet. Comment
  SBBG57264  Juncus effusus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  JOTR32968  Juncus macrophyllus La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2719 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UCR139158  Juncus mexicanus S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., southwestern end of Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  UCR193860  Juncus patens A. C. Sanders 2008-7-25 35884 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR150024  Juncus textilis Scott D. White, Angelia Carey 2004-5-7 10349 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  SD121509  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3481 Riverside Santa Rosa Mountain Road (Forest Road 7S02), ca. 2 miles south of Highway 74 (Pines to Palms Highway), rivulets on southeast slope, moist granitic sand of opening in chaparral. 1584 Comment
  SEINET10879492  Juncus xiphioides J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12833 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  POM277149  Juniperus californica Lyman Benson 1946-4-15 12032 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  CAS-BOT-BC234575  Justicia californica Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA313565  Justicia californica D. C. Michener 1979-3-11 3451 a Riverside Santa Rosa Mountains: Deep Canyon, near the mouth of Sheep Canyon. Comment
  RSA782280  Justicia californica R. W. Spjut 2008-2-29 16210 Riverside Sonoran Desert. BLM: Red Cloud Road just west of Desert Center, about 8 miles SE of I-10 along Red Cloud Road, Chuckwalla Bench 570 Comment
  POM263041  Kallstroemia californica J. C. Roos 1937-8-20 357 Riverside Blythe Comment
  RSA0119982  Keckiella antirrhinoides Duncan S. Bell, Thomas Stoughton 2016-4-13 9270 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  CAS-BOT-BC236705  Keckiella antirrhinoides subsp. antirrhinoides A. C. Sanders; J. Goetzen 1996-5-1 18123 Riverside Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning, San Bernardino Mtns. 914 Comment
  UCR251879  Keckiella antirrhinoides subsp. antirrhinoides 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
  LA98032  Keckiella antirrhinoides var. antirrhinoides Elizabeth McClintock; 1936-7-27 sn Riverside San Jacinto Mts., Near Tahquitz Peak Comment
  RSA734400  Koeleria macrantha Keith E. Hoffmaster 1934-4-8 348 Riverside Santa Ana Mts, Near Corona Comment
  SD152990  Koeleria macrantha Steve Boyd, Tim Ross 1992-5-4 7177 B Riverside San mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  UCD86078  Koeleria macrantha F. M. Reed 1907-5-5 1338 Riverside north side of Hill in Fairmont Park. 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
  SD216488  Krameria bicolor Jay B. Walker 1995-5-4 1417 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  UCR228387  Krameria grayi Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-5-25 218 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  CAS-BOT-BC340504  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  UCR159252  Lactuca serriola A. C. Sanders, Kelly Volansky 2005-8-31 31573 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
  UC64845  Laennecia coulteri E. A. Zumbo 1904-1-1 438 Riverside Cold Water Canyon Santa Ana Mts. Comment
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Jan 11 2007
  CLARK-A1528-4705  Lamarckia aurea John C. Roos 1947-3-21 3373 Riverside Reche Canyon Comment
  UCR21907  Lamarckia aurea Steve Boyd 1980-5-2 156 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR51954  Langloisia setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
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Mar 19 2016
  CAS-BOT-BC170702  Larrea tridentata Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  CSUSB317  Larrea tridentata Robert A. Clark 1966-3-5 3566 4 Riverside Mecca rural; 2 miles east of Mecca on State Highway 195 on marginal agricultural land adjacent to Creosote bush scrub. -57 Comment
  RSA0118589  Larrea tridentata Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7654 Riverside Mecca Hills: mouth of Painted Canyon, southwest side of Mecca Hills, northeast of Mecca, west of Box Canyon, northeast of Coachella Canal, northeast of powerline, near mouth of Skeleton Canyon. 52 Comment
  RSA390024  Larrea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Palm Springs, Colorado Desert. Comment
  RSA652049  Larrea tridentata G. S. Eleiott 1949-3-15 s.n. Riverside Colorado [Desert] 15 miles east of Palm Springs. 244 Comment
  UC665863  Larrea tridentata Ira L. Wiggins 1941-3-24 9567 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCR260355  Larrea tridentata A. C. Sanders, Jim Malusa 2015-3-10 41369 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  SD137868  Lasthenia californica Darin L. Banks, Steve Boyd 1995-3-16 87 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain; east of the Dripping Springs Alcove. 515 Comment
  JEPS29480  Lasthenia coronaria Lauramay T. Dempster 1962-4-17 1889 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  RSA583752  Lasthenia coronaria Steve Boyd 1995-4-24 8479 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 southeast of its junction with the Dripping Springs Trail. 609 Comment
  UCR109449  Lasthenia coronaria A. C. Sanders 1995-4-13 16500 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
  RSA181983  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19158 Riverside Temecula 305 Comment
  RSA560359  Lasthenia gracilis Steve Boyd 1992-4-14 6822 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
  UC893747  Lasthenia gracilis L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  UCD133817  Lasthenia gracilis R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  RSA92915  Lasthenia gracilis F. W. Peirson 1918-03 1374 Riverside Whitewater Grade, nw. corner of Colorado Desert. Comment
  UCR171222  Lathyrus latifolius John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  RSA1496  Lathyrus vestitus var. alefeldii J. T. Howell 1929-2-14 1233 Riverside Santiago Trail, above Glen Ivy Comment
  UCR123634  Lathyrus vestitus var. vestitus Steven R. Hill, A. C. Sanders 2001-5-4 33727 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters) 360 Comment
  RSA709449  Layia glandulosa T. B. Salvato, John Green 2004-5-27 705 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
  SEINET3147917  Layia glandulosa M. F. Gilman 1904-1 3 Riverside Banning Comment
  UC63258  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  RSA704000  Layia platyglossa Daphne K. Christopher, H. Stevens, Zach Princip 131 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On main gravel road heading away from ranch entrance and private residence driveways. 377 Comment
  SD137866  Layia platyglossa Darin L. Banks, Steve Boyd 1995-5-9 380 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, west of the Dripping Springs Alcove Area. 700 Comment
  UC1540425  Layia platyglossa Charles B. Fiker 1946-4-8 3365 Riverside at Temecula Comment
  UCR124663  Layia platyglossa B. C. Templeton 1930-4-9 1024 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  UCSB18487  Layia platyglossa Smalley, G. 1964-5-9 Riverside State Highway 74, 4.3 miles S from Idyllwild 1371 Comment
  POM4845  Layia platyglossa subsp. campestris H. M. Hall 1902-4-22 2951 Riverside Vicinity of Riverside County. 305 Comment
  RSA190628  Layia ziegleri L. B. Ziegler 1966-6-10 s.n. Riverside Between Mountain Center and Keen Camp Summit, San Jacinto Mts. 1448 Comment
  RSA234095  Lemna gibba Robert F. Thorne, E. W. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  RSA500133  Lemna minuta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3677 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  SD140147  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-5 13684 Riverside Western edge of Hemet, along south side of Devonshire Avenue between Old Warren and Warren Roads (Highway 54) 459 Comment
  CAS-BOT-BC89440  Lepidium fremontii Carl B. Wolf 1932-4-27 3043 Riverside Colorado Desert. Mecca-Blythe Road. 0.75 mile west of Utopia. 152 Comment
  HSC6816  Lepidium fremontii C. L. Hitchcock, C. V. Muhlick 1964-3-22 23250 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  UCR180306  Lepidium lasiocarpum Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11265 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  SBBG104635  Lepidium lasiocarpum var. lasiocarpum T. Glenn 1991-5-2 91 -30 Riverside McCoy Mtns NW of Blythe 350 Comment
  UC856469  Lepidium lasiocarpum var. lasiocarpum C. L. Hitchcock 1940-3-31 5884 Riverside 0.5 mi below Cottonwood Springs Comment
  RSA689387  Lepidium latifolium Scott D. White 2003-6-9 9524 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  RSA736319  Lepidium nitidum Scott D. White, Justin Wood 2008-3-25 11773 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR225451  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-28 38831 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  UCR232033  Lepidium nitidum John F. Green 2008-4-15 0408- 19 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  CLARK-A1528-5233  Lepidium virginicum John C. Roos 1952-3-19 5405 Riverside Box Springs Mountains 487 Comment
  SBBG34199  Lepidium virginicum T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  UCR266910  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  UCR280955  Lepidium virginicum var. robinsonii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 60 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA545232  Lepidospartum squamatum R. F. Thorne 1970-10 41882 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCD63993  Leptochloa fusca subsp. uninervia W. A. Harvey 1954-11-1 Riverside Blyth. Comment
  JOTR31146  Leptodactylon pungens La Doux, Tasha 2009-6-3 1856 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UC23617  Leptodactylon pungens H. M. Hall June, 1901 2130 Riverside Santa Rosa Mountain San Jacinto Mountains, Santa Rosa Mountain (dry hillsides of Coyote Canyon) 1524 Comment
  RSA152143  Leptosiphon ciliatus Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  CAS-BOT-BC226618  Leptosiphon floribundus subsp. hallii A. Davidson 1903-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  RSA282787  Leptosiphon lemmonii C. W. Tilforth, B. Busenberg 1980-10-6 1989 Riverside Small moist wash 3.8 miles in from Highway 74 along Thomas Mtn. Road, south of Hemet. Comment
  UCD118860  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon, Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UC1147903  Lilaea scilloides Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37595 Riverside Rancho California; Santa Rosa Plateau 609 Comment
  UCR40359  Limnanthes gracilis subsp. parishii Tom Griggs, E. W. Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, Mesa de Colorado, on The Nature Conservancy Preserve, 4 mi. west of Murrieta Comment
  UCR234764  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  UCR1542  Linanthus androsaceus R. L. Irwin 1962-5-8 0066 Riverside on N. slope of hill behind the agriculture station at U.C.R 412 Comment
  UCR49262  Linanthus androsaceus subsp. micranthus Steve Boyd 1986-4-2 1631 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  JOTR30953  Linanthus aureus subsp. aureus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1928 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR198186  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  POM128362  Linanthus californicus Thos. Craig 1927-4-23 207 Riverside Glen Ivy. Comment
  UCSB5149  Linanthus californicus Kamb, Peter 1947-3-3 Riverside Banning-IdyllwiId road below Barton Lookout, San Jacinto Mts. 914 Comment
  UCR249825  Linanthus dianthiflorus T. B. Salvato, John Lovio 2013-3-19 7362 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR155950  Linanthus floribundus Scott D. White 1994-4-23 2030 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
  RSA769522  Linanthus lemmonii Duncan S. Bell, Valentin Arvizu 2010-5-10 975 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
  UCR23129  Linanthus lemmonii J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR193897  Linanthus liniflorus A. C. Sanders, Mitch Provance 2008-7-11 35776 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  SD231406  Linanthus maculatus J. Mark Porter, Sarah DeGroot 2005-3-9 14246 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 Comment
  POM259257  Linum lewisii P. A. Munz 1938-8-14 15381 Riverside East of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA435727  Linum lewisii H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto [could be San Jacinto Mtns., or could be San Jacinto Riv. near City of San Jacinto but probably mtns., based on species] Comment
  RSA644007  Loeflingia squarrosa var. squarrosa V. W. Steinmann, M. T. Wedlake 1995-4-8 657 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  RSA796334  Loeseliastrum matthewsii Duncan S. Bell 2009-4-18 200 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SBBG99597  Loeseliastrum schottii W. L. Halvorson 1977-3-8 77 -88 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCSB18438  Loeseliastrum schottii Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.6 miles east of Desert Center 243 Comment
  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
  SEINET200238 Image available Logfia arizonica Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  UC1595559  Logfia arizonica Steve Boyd and Orlando Mistretta 1991-5-22 6313 Riverside e of Dorland Mtn. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  SEINET1869745 Image available Lolium rigidum Walter Graves 2002-1 502 -21 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  RSA594770  Lomatium lucidum D. L. Banks, Dylan Hannon 1996-5-3 991 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 300 m E of the Dripping Springs Guard Station. 487 Comment
  UCR107685  Lomatium utriculatum G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, c. 1 mi. airline SW of Arnold Heights & c. 0.1 mi. south of Van Buren Rd. 213 Comment
  POM3169  Lomatium vaginatum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near shore of L. Elsinore. Comment
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Jul 8 2009
  POM17806  Lonicera subspicata var. denudata P. A. Munz 1923-6-14 7052 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  RSA16379  Lonicera subspicata var. denudata Percy C. Everett 1935-6-17 7140 Riverside Santa Ana Mountains, near Glen Ivy Resort on Coldwater Canyon Trail to Santiago Peak. 457 Comment
  RSA761752  Lonicera subspicata var. denudata Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 646 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD229123  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 662 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
  JEPS55406  Lotus argophyllus Marjorie D. Clary 1932-4-3 1184 Riverside 15 mi sw Indio; Colorado Desert, Deep Canyon 304 Comment
  UC729879  Lotus crassifolius var. crassifolius Carl B. Wolf 1932-8-4 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  CSUSB1187  Lotus hamatus Annette Price 1962-5-8 091 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. 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
  UCR88297  Lotus hamatus A. C. Sanders, K. C. Rose 1995-4-5 16370 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA406415  Lotus heermannii var. heermannii E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  SDSU13583  Lotus heermannii var. heermannii W. Miller with C. Mosse 1972-7-5 Riverside Comment
  RSA680159  Lotus nevadensis var. nevadensis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8629 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA89921  Lotus nevadensis var. nevadensis E. K. Balls, Percy C. Everett 1953-7-1 18349 Riverside 5 mi. NW of Idyllwild on road to Banning 1524 Comment
  RSA406221  Lotus oblongifolius N. C. Cooper 1944-6-17 1398 Riverside San Jacinto Mts., above Banning. 1372 Comment
  RSA498792  Lotus rigidus Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mts. 671 Comment
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Aug 5 2015
  UC64819  Lotus rigidus E. E. Schellenger 1904-3-28 60 Riverside Cottonwood Springs Colorado Desert, Cottonwood Mt. Comment
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Oct 9 2010
  RSA90426  Lotus salsuginosus var. salsuginosus F. W. Peirson 1928-3-10 7705 Riverside Hidden Spring, northern Colorado Desert. Comment
  RSA614136  Lotus scoparius D. L. Banks 1997-2-23 1303 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
  RSA662127  Lotus scoparius Daniel Curran 1981-2-16 17 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  UCR140692  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-11 27848 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  JEPS29296  Lotus strigosus Rimo Bacigalupi, and L. R. Heckard 1962-3-25 8391 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of the Santa Ana Mountains); Santa Ana Mountains 304 Comment
  RSA522736  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3842 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
  RSA771118  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4926 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
  SEINET7073384  Lotus strigosus A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR136253  Lotus strigosus A. C. Sanders 2004-4-20 27547 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR270174  Lotus strigosus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42404 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA0127778  Lotus strigosus G. Rink, M. Honer, A. Karl, T. Thomas, M. Baker 2013-3-18 11871 Riverside About twelve miles west of Blythe, along the powerline west of the proposed Quartzite solar power plant. 116 Comment
  RSA480075  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2166 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  HSC92616  Lotus unifoliolatus var. unifoliolatus F. C. Vasek 1964-7-19 6407193 Riverside At Pine Cove, NW of Idyllwild Comment
  UCR23195  Ludwigia peploides subsp. peploides Jimbo Behrmann 1981-6-5 18 Riverside Santa Ana River Valley, Louis Rubidoux Nature Center, 1.5 mi. on Riverview Drive in Rubidoux 225 Comment
  UCR177944  Lupinus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 028 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  JOTR16689  Lupinus andersonii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  JEPS48838  Lupinus arizonicus Marjorie D. Clary 1932-5-9 945 Riverside Shavers Well to Desert Center; Shavers Well to Desert Center Comment
  POM349954  Lupinus arizonicus N. C. Cooper 1949-4-8 3255 Riverside Mecca Pass east of Indio. 610 Comment
  RSA0118062  Lupinus arizonicus Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7619 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  SD48478  Lupinus arizonicus E. K. Balls, P. C. Everett 1958-3-20 22937 Riverside South base of Eagle Mountains, US Hwy 60/70 366 Comment
  SEINET2062836 Image available Lupinus arizonicus Norman C. Cooper 1949-4-8 3255 Riverside Mecca Pas. E of Indio 548 Comment
  RSA0113505  Lupinus arizonicus Lyman Benson 1945-3-29 11635 Riverside Canyon on Palm Springs Road. Mt. Range: Little San Bernardino. 609 Comment
  RSA781184  Lupinus arizonicus D. Silverman, Mark Bibbo 2010-3-31 7887 Riverside East flank bajada of the McCoy Mountains, one mile W of Black Creek Road, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  UCR120808  Lupinus bicolor Ian G. Gillespie 2000-4-19 7 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  UCR173150  Lupinus bicolor Abby Sirulnik 2000-4-25 18 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR174082  Lupinus bicolor A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32543 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCR178305  Lupinus bicolor T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 911 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR41216  Lupinus bicolor N. M. Fellows, A. C. Sanders 1985-4-9 135 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR97489  Lupinus bicolor A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19868 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA87084  Lupinus brevior F. W. Peirson 1922-4-9 2894 Riverside near Palm Canyon stream about 0.5 mile below mouth of Canyon, Palm Springs region Comment
  RSA0121052  Lupinus concinnus Duncan S. Bell, LeRoy Gross 2016-3-29 9114 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  SD227816  Lupinus concinnus Andrew C. Sanders 1994-5-29 14565 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05 850 Comment
  UCR162840  Lupinus concinnus 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
  UCR86884  Lupinus concinnus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16287 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  POM46815  Lupinus concinnus subsp. orcuttii Mary F. Spencer 1920-4-19 1464 Riverside Palm Springs. 122 Comment
  JOTR34273  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 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
  LA205061  Lupinus excubitus var. austromontanus W. Pequegnat; March 1937 125 Riverside Santa Ana Mountains, Coldwater Canyon, E ridge Comment
  SD185222  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 Riverside Head of Banning Canyon close to San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCD107728  Lupinus excubitus var. hallii Geoffrey Levin 1975-4-26 490 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  RSA503811  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA413696  Lupinus hirsutissimus Christopher Davidson 1973-4-1 1793 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA5014  Lupinus hirsutissimus Dorothy R. Wolf 1932-3-20 14 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA571316  Lupinus hirsutissimus Steve Boyd 1994-4-5 8265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR252205  Lupinus hirsutissimus J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  SEINET10837839  Lupinus hirsutissimus Gary D. Wallace, Dieter H. Wilken 1966-4-7 Wallace 413 Riverside Along roadside hwy 71, s of aguanga. Comment
  SD229156  Lupinus hyacinthinus Dick Schwenkmeyer 2012-9-20 838 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  UCR92679  Lupinus latifolius Scott D. White, M. D. Wilcox 1995-7-11 3464 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  RSA221047  Lupinus latifolius subsp. parishii E. W. Lathrop 1966-5-29 6394 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  RSA796513  Lupinus latifolius subsp. parishii Robert F. Thorne, E. W. Lathrop 1977-5-18 49723 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SD229158  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-6-27 757 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UCR16238  Lupinus microcarpus var. densiflorus Heidi A. Haid 1964-5-10 64510- 4 Riverside San Jacinto Valley / Mtns, c. 6 mi. east of Hemet on Hwy 74 549 Comment
  RSA702747  Lupinus sparsiflorus Scott D. White, Michael Honer 2004-4-6 10041 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SD137764  Lupinus sparsiflorus Darin L. Banks, Steve Boyd 1995-4-5 135 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, along the Dripping Springs Trail 609 Comment
  SD227818  Lupinus sparsiflorus Andrew C. Sanders 1994-5-29 14562 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05 850 Comment
  RSA314646  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55442 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA414342  Lupinus succulentus N. C. Cooper 1949-3-18 3164 Riverside Elsinore. 457 Comment
  CLARK-A1045-873  Lupinus truncatus George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along Riverside-San Diego County Line at start of Interstate Highway 215; ; southern oak woodland; Temecula 7.5'Q Comment
  POM320523  Lupinus truncatus Worthman 1968-5-16 182 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  RSA180234  Lupinus truncatus E. W. Lathrop 1965-4-30 5702 Riverside 5 miles W of Murrieta. 610 Comment
  UCR177177  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  POM122854  Luzula comosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA699028  Lycium andersonii J. R. Bruff 1927-11-26 29 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  UC809726  Lycium andersonii Philip A. Munz 1949-4-13 13051 Riverside above Cottonwood Springs (w end of Eagle Mts.); Colorado Desert, Eagle Mts. 1097 Comment
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Oct 9 2010
  UCR175184  Lycium andersonii Jim Andre 2006-4-26 6780 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  UCR260357  Lycium andersonii A. C. Sanders, Jim Malusa 2015-3-10 41371 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR75066  Lycium andersonii A. C. Sanders, E. J. Lawlor 1992-4-4 12115 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC1125126  Lycium torreyi C. Van Fleet 1931-1-22 6 Riverside Wilson Creek San Jacinto Quad. 762 Comment
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Nov 27 2011
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR77741  Madia exigua Steve Boyd, O. Mistretta 1991-5-22 6305 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  UC1608214  Madia gracilis Steve Boyd and Tim Ross 1992-6-10 7629 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  RSA496120  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3054 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  RSA282907  Malacothrix clevelandii C. W. Tilforth, John Dourley 1980-7-15 2013 Riverside Along Thomas Mtn. Rd. south of Hemet, west of Hiway 74. 1662 Comment
  RSA673873  Malacothrix clevelandii Scott D. White 2000-5-27 7939 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR112969  Malacothrix coulteri B. G. Pitzer, T. Tennant 1998-2-21 3534 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  CAS-BOT-BC347710  Malacothrix glabrata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  POM311405  Malacothrix glabrata Diana plainer 1958-3-29 139 Riverside Joshua Tree National Monument, near Went's Quadrat #6 and Chaya Gardens in the hills above the desert floor. 945 Comment
  RSA778628  Malacothrix glabrata Duncan S. Bell 2009-3-8 69 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UC831146  Malacothrix glabrata Ivan Johnston Apr 4 1917-Apr 6 1917 1004 Riverside Mouth of Palm Canyon Colorado Desert Comment
  RSA0042213  Malva parviflora Margaret Murphy 1983-5-21 0035 -D Riverside Moreno Acres of the unincorporated area known as Sunnymead. North section of parcel 475-090-006, lot 20. Comment
  UC1537624  Marah macrocarpa Gordon H. True Jr. 1935-3-1 38 Riverside Gavilan Hills 548 Comment
  CAS-BOT-BC218949  Marina parryi Ira L. Wiggins 1941-3-27 9672 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  RSA0043065  Marina parryi Duncan S. Bell, LeRoy Gross 2014-3-20 6267 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SEINET2063255 Image available Marina parryi George Helmkamp 1995-3-16 Riverside Slopes of Coxcomb Mts. W of Rice Rd., 10.3 mi NE of Desert Center 198 Comment
  UCR102745  Marina parryi B. G. Pitzer 1998-2-1 3444 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  CAS-BOT-BC71092  Marsilea vestita John Thomas Howell 1930-5-10 4777 Riverside March Field Comment
  RSA556507  Matricaria matricarioides Julie Greene 1993-4-3 1075 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  UCR30815  Meconella denticulata John C. Roos 1950-5-6 4783 Riverside Peninsular Range; Santa Ana Mtns., Head of Hagador Canyon, south of Corona 1037 Comment
  RSA0028709  Medicago minima Norman C. Cooper 1944-5-6 1214 Riverside Banning. 701 Comment
  UCR214274  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37745 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  SEINET266966 Image available Melica imperfecta D. Atwood, L Stritch 1993-4-2 17894 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands 671 Comment
  UCR133447  Melica imperfecta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 453 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UC1979616  Melilotus indicus D. L Banks, Steve Boyd 1995-5-3 0188 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR174103  Melilotus indicus A. C. Sanders 2006-5-19 32437 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
  RSA0114706  Melinis repens subsp. repens A. C. Sanders, Glen Morrison 2016-8-4 42614 Riverside Peninsular Range; Santa Ana Mountains: Santa Rosa Plateau, along Corona Cala Camino near intersection with El Cerezo Rd., south side of Redonda Mesa. 732 Comment
  UCR151039  Mentha Scott D. White 1998-7-31 6935 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA601164  Mentha spicata Scott D. White 1996-8-15 4477 Riverside Strawberry Creek at Hwy 74 bridge. 884 Comment
  RSA735395  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11219 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SEINET185935  Mentzelia involucrata Philip A. Munz 1940-3-22 15662 Riverside Whitewater Canyon 2 miles north of Indio-Banning Highway Comment
  UC809741  Mentzelia involucrata Philip A. Munz 1949-4-12 13032 Riverside North base of Eagle Mts. Mohave Desert 944 Comment
  SEINET8712370  Mentzelia involucrata I. W. Clokey 1935-4-17 6762 Riverside Cottonwood Springs. Comment
  RSA4894  Mentzelia involucrata var. megalantha Carl B. Wolf 1932-4-27 3010 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA80964  Mentzelia involucrata var. megalantha G. R. Campbell 1952-4-6 18413 Riverside 2 mi. s. of jct. of Cottonwood Springs road, road through Joshua Tree National Monument, south from 29 Palms. 884 Comment
  SEINET11978685  Mentzelia involucrata var. megalantha S. B. Parish, Parish, W. F. n d 210 Riverside Whitewater, Nich Comment
  RSA440444  Mentzelia jonesii Anstruther Davidson 1922-05 s.n. Riverside Colorado Desert, Riverside County Comment
  SD225013  Mentzelia obscura G. K. Helmkamp 1998-4-4 3145 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd.) 456 Comment
  JEPS26732  Mentzelia puberula Marjorie D. Clary 1936-3-20 2620 Riverside Road from Desert Center Rice; North Colorado Desert, Coxcomb Mountain 304 Comment
  POM14286  Mentzelia veatchiana P. A. Munz 1922-4-29 5113 Riverside Aguanga Comment
  UCR261175  Mentzelia veatchiana A. C. Sanders, Katie Young, John Hale 2015-4-22 41600 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR241673  Mercurialis annua O. F. Clarke 2010-12-31 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  SBBG101734  Microseris douglasii subsp. douglasii S. Boyd with D. Bramlet 1991-5-13 6223 Riverside Winchester Valley between Winchester and Hemet, along upper Salt Crk drainage, N of Santa Fe Railroad tracks, W of San Diego Aqueduct; T5S, R2W, S1/2, NW1/4 of S24 Comment
  CAS-BOT-BC322630  Microseris douglasii subsp. platycarpha D. Bramlet 1993-4-12 2318 Riverside The site is found 46m north of Cajalco Road and 762 m east of the intersection of La Sierra Ave. and Cajalco Road, northwest of the Siegal Ranch Road 426 Comment
  SD262200  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George 2017-3-23 317 40 Riverside Temescal Valley: East side of Campbell Ranch Rd, A+-500 ft north of Indian Truck Trail (Alberhill 7.5'Q) 360 Comment
  UCR102895B  Microseris douglasii subsp. platycarpha A. C. Sanders 1997-4-3 20168 B Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA675697  Microseris heterocarpa Scott D. White 2001-5-1 8441 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UC1595584  Microseris heterocarpa Steve Boyd and Orlando Mistretta 1991-5-9 6184 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBride Canyons. 548 Comment
  UCR169465  Microseris heterocarpa John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR165917  Microseris lindleyi T. B. Salvato, John F. Green 2004-5-27 556 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA525424  Mimulus aurantiacus var. pubescens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4532 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UC943882  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 F Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR104942  Mimulus aurantiacus var. pubescens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20686 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
  UCR47668  Mimulus aurantiacus var. pubescens D. C. Michener 1980-5-29 3633 Riverside San Jacinto Mtns, Cave Springs Comment
  RSA0056603  Mimulus aurantiacus var. pubescens Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA510031  Mimulus aurantiacus var. puniceus B. Pitzer, E. Misqez 1988-2-28 631 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  JEPS8159  Mimulus bigelovii var. bigelovii W. I. Follett 126 Riverside 5 mi w Desert Center; Colorado Desert Comment
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Sep 3 2011
  RSA522089  Mimulus brevipes Steve Boyd, Tim S. Ross, Kyle Boyd 1989-6-24 3755 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little' Oak Mtn., W of Kolb Creek drainage, N of Hwy 79. Comment
  RSA85485  Mimulus brevipes J. C. Roos, Lucille Roos 1952-4-19 5562 Riverside Box Springs Mtns. 457 Comment
  RSA388422  Mimulus cardinalis Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61190 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR161406  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-9-20 31682 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
  POM13602  Mimulus floribundus E. C. Jaeger 1921-7-11 1052 Riverside Stone Creek. [no county specified] 1738 Comment
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Mar 8 2012
  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
  RSA496468  Mimulus fremontii var. fremontii Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3084 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. Comment
  JEPS10766  Mimulus inodorus W. L. Jepson 1903-8-8 2300 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  POM12777  Mimulus latidens P. A. Munz, I. M. Johnston 1922-5-19 5378 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA0056579  Mimulus parishii Barry Prigge 1980-8-5 3817 Riverside San Bernardino Mountains, Whitewater Canyon: 0.5 miles N of trout farm. 701 Comment
  CLARK-A1528-4264  Mimulus pilosus John C. Roos 1936-9-15 2511 Riverside San Jacinto Mountains Comment
  RSA296130  Mimulus pilosus Barry A. Prigge 1980-8-5 3849 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA787123  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49559 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  JEPS61337  Mirabilis laevis W. L. Jepson 1927-4-14 11707 Riverside Silent Canyon, SE end of Santa Rose Moutains 304 Comment
  CAS-BOT-BC434677  Mirabilis laevis var. crassifolia A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19886 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  CAS-BOT-BC434678  Mirabilis laevis var. crassifolia J. C. Roos 1966-4-23 s.n. Riverside Hills S. of Corona. Comment
  RSA60730  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona. Comment
  CAS-BOT-BC434833  Mirabilis laevis var. retrorsa Ira L. Wiggins 1941-3-27 9696 Riverside Slopes 4 miles north of Whitewater. Comment
  SEINET3092867 Image available Mirabilis multiflora K. Harper 1988-5-14 Riverside San Jacinto Mountains, lower 5 miles of the graded dirt road from Hwy 74 to Santa Rosa Mountain. Comment
  CAS-BOT-BC434883  Mirabilis multiflora var. pubescens Steve Boyd 1991-9-8 6434 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  POM157932  Mirabilis multiflora var. pubescens P. A. Munz 1927-5-21 10838 Riverside Coahuila Valley. 1372 Comment
  RSA69472  Mirabilis tenuiloba F. W. Peirson 1922-4-11 2917 Riverside Deep Canyon Wash, Colorado Desert. 274 Comment
  RSA408770  Mohavea confertiflora Robert Gustafson 1983-3-27 2479 Riverside Dry rocky canyon southwest of Lake Cahuilla. Comment
  UCD99623  Mollugo cerviana B. Pitzer 1997-10-19 3356 Riverside N foot of Chuckwalla Mts., Eagle Mtn Rd on S side of Hwy I-10. 0.8 mile S of Hwy at Powerline Rd. 500 Comment
  UC1995358  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside lower part of trail to Round Valley; San Jacinto Mts. Comment
  CAS-BOT-BC220033  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 s.n. Riverside Jarupa [Jurupa] Hills Comment
  UCR201509  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-6-17 12179 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  IRVC2057  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-11 SJ 381 Riverside Santa Rosa mountain Road; middle of slope 20 degree E. Peninsular Ranges, Santa Rosa Mountains 1829 Comment
  LA57205  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside Pinon Flats, Pines to Palms Hwy Comment
  LA96098  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 78 Riverside Santa Rosa Mountain, road up Santa Rosa Mts. 2.3 mi beyond canyon where stream crosses road Comment
  RSA651093  Monardella nana subsp. arida Harold Lint 1958-5-25 2033 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA750308  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 124 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond Willow Creek. Comment
  POM48947  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-26 8721 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA401635A  Monardella nana subsp. tenuiflora G. Willett 1931-6-24 s.n. Riverside San Jacinto Mountains. Comment
  SD135258  Monardella nana subsp. tenuiflora Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern slope of Santa Rosa Peak Comment
  UC1499801  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 105 Riverside treil to Suicide Rock (a few hundred ft beyond the forks); San Jacinto Mts. Comment
  CLARK-A1528-5417  Monolepis nuttalliana John C. Roos 1952-5-21 5705 Riverside San Jacinto River 426 Comment
  RSA554208  Monoptilon bellioides Theo Glenn 1992-3-31 92 -15 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  RSA623606  Monoptilon bellioides Ernest Braunton 1940-4-3 2012 Riverside 25 miles Northeast of Indio. Comment
  UC84198  Monoptilon bellioides C. R. Orcutt April, 1887 Riverside Colorado Desert Comment
  UCR117410  Morus alba S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  JOTR32847  Muhlenbergia microsperma La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1529 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky outcrops 901 Comment
  UC1584117  Muhlenbergia microsperma Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3840 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (and adjacent benches on s flank of 'Big' Oak Mtn.); Vail Lake area 396 Comment
  UCR20871  Muhlenbergia microsperma Steve Boyd 1980-5-14 s.n. Riverside Perris Basin, Motte Reserve, in the rocky hills 2.5 mi NW of Perris 518 Comment
  JOTR16783  Muhlenbergia porteri Leary, Pat 1975-6-7 1268 Riverside Joshua Tree National Park. QUEEN VALLEY, ONE MILE NORTHWEST OF OPTIMO 1341 Comment
  SD37311  Myosurus minimus var. filiformis Edith A. Purer 1936-4-6 6880 A Riverside Vernal pool, south of Elsinore Comment
  SBBG45292  Myriopteris parryi S. B. Parish -Mar-1882 Riverside Agua Caliente [Palm Springs] Comment
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Jul 12 2010
  UCR89893  Nama hispida A. C. Sanders 1992-4-5 12162 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  POM14111  Nama hispida var. spathulata E. C. Jaeger 1922-3-29 s.n. Riverside Eastern edge of Colorado Desert, near Rannells. Comment
  RSA709188  Nama stenocarpa Chris E. True, Robert Cox 2005-7-21 s.n. Riverside San Jacinto Valley: Mystic Lake, lakeshore west of Bridge Street intersection with Gilman Springs Road. 436 Comment
  RSA192228  Nassella cernua E. W. Lathrop 1960-6-8 4939 a Riverside 14 miles west of Murrieta Comment
  CAS-BOT-BC227253  Nassella lepida Scott D. White; Jonathan Campbell 2008-4-18 11898 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area 366 Comment
  SD234485  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley; Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR115940  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA469877  Navarretia fossalis Christopher Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UCR70681  Navarretia fossalis D. E. Bramlet 1991-6-1 2170 Riverside Perris-Aguanga Basin region, San Jacinto River, about 2.2 km west of Lakeview, within the riverbed, 1 mi north of MWD (Colorado Aqueduct) easement road 473 Comment
  UCR206020  Navarretia prostrata Diane Menuz 2009-5-14 495 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  RSA735226  Nemacladus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11250 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA727601  Nemacladus glanduliferus var. orientalis Naomi Fraga, Lisa Rojas 2005-2-10 1390 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SEINET10458391  Nemacladus longiflorus Barbara J. Ertter, Jeffrey Strachen 1979-6-26 Ertter 2976 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. T6N R3E Sec. 25 Comment
  SEINET10460858  Nemacladus longiflorus var. longiflorus Reed 1925-5-26 Reed 5140 Riverside 762 Comment
  UCR20301A  Nemacladus orientalis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  JEPS5403  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 A Riverside San Jacinto River Comment
  UCR67359  Nemacladus ramosissimus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3995 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  POM172022  Nemacladus sigmoideus P. A. Munz 1930-5-1 11922 Riverside Morongo Valley. Comment
  RSA75124  Nemacladus sigmoideus F. W. Peirson 1928-4-24 7913 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. 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
  RSA613472  Nemophila menziesii var. menziesii D. L. Banks, Victor W. Steinmann 1997-3-13 1449 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  POM157926  Nemophila pedunculata P. A. Munz 1927-5-21 10845 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  CLARK-A1528-885  Nicotiana bigelovii Bruce A. Beebe 1970-5-16 41 Riverside Lakeview Mountains 670 Comment
  RSA80734  Nicotiana clevelandii F. W. Peirson 1926-2-22 6511 Riverside Thousand Palm Canyon, northwest end of Coachella Valley. 122 Comment
  UCSB41769  Nicotiana glauca Weidert, E. 1970-2-14 Riverside 1 mi N Hartford Springs, 6mi. NW Perris Comment
  UC1922494  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. Comment
  UCSB36131  Nicotiana obtusifolia Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua tree national monument, 0.25 miles E. rd 750 Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  CAS-BOT-BC131850  Nolina bigelovii A. C. Sanders; G. Helmkamp; O. Clarke; B. Pitzer; et al. 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (air) S of Hayfield Pump Sta., E of Maniobra V., central sec. of (N of peak 2552 to BMk 1899) arroyo 610 Comment
  POM259633  Nolina bigelovii E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  UCR213849  Nolina parryi Scott D. White, Justin M. Wood 2009-5-21 12868 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  CAS-BOT-BC71173  Notholaena californica Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  UCSB38730  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  SD146149  Nuttallanthus texanus Oscar F. Clarke 1997-3-4 Riverside Riverside: vacant lot at back of St. George's Episcopal Church, corner of Spruce St. and Watkins Drive 305 Comment
  JOTR16763  Oenothera californica subsp. avita Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO STUBBE SPRING 1341 Comment
  POM355626  Oenothera elata subsp. hirsutissima M. B. Dunkle 1933-7-21 3736 Riverside Idyllwild. 1616 Comment
  RSA698252  Oenothera scapoidea J. R. Bruff 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
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Aug 27 2011
  SBBG69362  Oligomeris linifolia M. N. Ackley 1928-3-25 919 Riverside Indio -4 Comment
  SEINET7259337 Image available Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-1 29135 Riverside Sonoran (Colorado) Desert: SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. (East of Victory Pass) 168 Comment
  UCR51934  Oligomeris linifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2128 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SEINET3107444  Olneya tesota Sears 1977-10-13 S- 610 Riverside Wiley's Well Campground (BLM). 181 Comment
  CDA7119  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinton Keith Road. Comment
  SD212504  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato et al 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, West of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road. 548 Comment
  UCD134650  Oncosiphon piluliferum John 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. 533 Comment
  UCR116799  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga region, Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mi. south of Oleander Ave., at S end of Patterson Ave. 457 Comment
  SEINET10447235  Opuntia basilaris David B. Dunn 1946-3-16 Dunn 2057 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Comment
  UCR273892  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside East Mojave Desert, Chuckwalla Mountains, north side of Corn Springs Wash, 1.1 km east-southeast of Corn Spring, 12.2 km southeast of Desert Center, 70 km west of Blythe 479 Comment
  CAS-BOT-BC58053  Opuntia basilaris var. basilaris E. K. Balls 1954-4-22 19053 Riverside Field redacted by CAS, contact the data manager for more information 914 Comment
  UCR32321  Opuntia basilaris var. basilaris Faulkner 1978-3-21 341 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR119405  Opuntia microdasys Mitch Provance 1998-6-24 756 A Riverside Jurupa Mountains, Glen Avon Heights, property north of the end of Flemming St., and just south of the Glen Avon Quarry. 259 Comment
  UCR267291  Orcuttia californica Tom Griggs 1976-6-16 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burrro 610 Comment
  UCR35209  Orobanche fasciculata L. B. Ziegler 1968-5-22 299 Riverside San Jacinto Mtns, Hemet Valley in the lower side canyons 1402 Comment
  CSUSB900  Orthocarpus purpurascens Ken Stolte 1978-4-27 Riverside 1 mile south of junction of Highway 60 and Central Ave, 200 meters east off Central, in Riverside. Comment
  RSA402102  Orthocarpus purpurascens var. purpurascens Christopher Davidson 1973-4-1 1829 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA612685  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-29 1613 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA612850  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-1 1366 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  UCR201478  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 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
  UC64503  Oxytheca caryophylloides H. M. Hall 1901-6-24 Riverside in canyons of w side San Jacinto Mountains (Fuller's Mill) 1767 Comment
  UCR202001  Oxytheca trilobata 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
  UCR35081  Oxytheca trilobata L. B. Ziegler 1964-7-26 06 Riverside San Jacinto Mtns., Upper Herkey Creek on road to May Valley 1585 Comment
  POM270840  Paeonia californica Lyman Benson 1932-3-26 3178 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA234080  Paeonia californica Robert F. Thorne, E. W. Lathrop 1969-6-6 39329 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  POM363741  Palafoxia arida var. arida E. A. McGregor 1964-3-24 s.n Riverside Near Desert Center, Hwy 60 Comment
  UCSB18115  Palafoxia arida var. arida Flinck, Al 1964-5-17 Riverside State Highway 74, 11 miles S of State Highway 111 Comment
  RSA600855  Palafoxia linearis Marjorie D. Clary 1937-4-18 2776 Riverside Colorado Desert: Entrance to Thousand Palms Canyon; about 10 miles NW of Indio. 182 Comment
  UCR163069  Panicum alatum var. minus B. G. Pitzer, G. R. Ballmer 2000-10-14 4222 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  UCR278641  Panicum hirticaule subsp. hirticaule Onkar Singh 2015-11-10 5615 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 100 m south of Hwy I-10, 50 m east of eastern terminus of Chiuckwalla Valley Road 115 Comment
  POM193819  Panicum hirticaule subsp. hirticaule Marcus E. Jones 1929-9-19 24693 Riverside East of Desert Center Comment
  UCR113922  Panicum miliaceum subsp. miliaceum Mitch Provance, A. C. Sanders 2000-7-4 2078 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR101  Panicum urvilleanum S. J. Southwell 1971-5-2 s.n. Riverside Sonoran (Colorado) Desert, Windy 'Gap' [Point] sand dune, c. 10 mi. NW of Palm Springs on Hwy 111 305 Comment
  RSA206495  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 Comment
  UCR91482  Parietaria hespera var. californica Scott D. White, M. Jacobsmeyer 1996-4-20 3949 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  CSUSB1138  Parkinsonia aculeata John N. Bullock 1970-5-8 Riverside Twenty meters south of Dillon Road and Berdoo Canyon Road. 30 Comment
  UCR90967  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  UCR226786  Parkinsonia florida Jim Andre 2011-2-9 15902 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR19661  Paspalum dilatatum John C. Roos 1965-8-3 s.n. Riverside Hemet 503 Comment
  UCR22188  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  RSA264425  Paspalum notatum var. saurae C. W. Tilforth 1976-9-19 1224 Riverside 317 Swan Lake Mobile Home Park, Mira Loma; 10 miles N of Corona Comment
  SEINET10799090  Pectis papposa Frederick M. Reed 1934-9-26 Reed 8957 Riverside Pines to Palus Road - Santa Rosa Mts. below Pinon Flats. 366 Comment
  JOTR30837  Pectis papposa var. papposa La Doux, Tasha, Jim Andre 2008-9-16 347 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  UCR116624  Pectocarya anisocarpa A. C. Sanders 2001-3-20 23852 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  RSA795742  Pectocarya heterocarpa J. Andre 2012-3-19 21315 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
  SBBG63493  Pectocarya heterocarpa M. N. Ackley 1927-3-13 55 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  UCR127568  Pectocarya heterocarpa A. C. Sanders, P. J. MacKay, G. MacKay, A. Knapp, C. Sanders 1995-2-19 15944 Riverside Sonoran (Colorado) Desert, Coachela Valley at foot of Santa Rosa Mtns; ancient fish traps 2.2 mi west of Valerie 0 Comment
  UCR214710  Pectocarya heterocarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37516 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  RSA659689  Pectocarya linearis J. C. Roos 1952-2-29 5371 Riverside Reche Canyon. 457 Comment
  SEINET7882516 Image available Pectocarya linearis Jean Coulson 1959-1 127 Riverside U. C. R. Campus, Riverside County, California, 200 yds. S. of water tank. Comment
  CHSC35467  Pectocarya linearis subsp. ferocula James Henrickson 1973-3-18 8596 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  UC72059  Pectocarya linearis subsp. ferocula Miss M. A. King 1893-1 Riverside Menifee Comment
  SEINET6973498  Pectocarya linearis var. ferocula A. G. Vestal 1962-3-29 s.n. Riverside 4.6 miles northeast of Murrieta. Comment
  UCD120161  Pectocarya penicillata C. L. Hitchcock; C. V. Muhlick 1962-3-16 22142 Riverside Temescal Canyon, 8 miles southeast of Corona. Comment
  UCR158504  Pectocarya penicillata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30043 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
  UCR164896  Pectocarya penicillata S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR279377  Pectocarya recurvata A. C. Sanders, Jim Malusa 2017-3-24 42960 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SD233779  Pectocarya setosa A. C. Sanders, G. Helmkamp, L. Helmkamp 1995-4-30 16881 Riverside San Bernardino Mountains: Burns Canyon , 2.1 miles above Rimrick Rd, just below Burns Spring. 1530 Comment
  UCR16845  Pedicularis densiflora Robert A. Clark 1966-3-19 031966- 05 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive 6 miles from entrance off Chase Ave., Corona 762 Comment
  UCD137698  Pellaea mucronata Lewis S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W. of Palm Springs Desert. 670 Comment
  CAS-BOT-BC77191  Pellaea mucronata subsp. mucronata C. B. Wolf 1931-5-11 1958 Riverside San Jacinto Mts. - rocky places near Pipe Creek above Hemet Valley 1676 Comment
  IRVC3154  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 49 Riverside Above N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 671 Comment
  RSA34556  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
  SDSU3609  Pellaea mucronata var. mucronata James C. Dice, Tu Chung 1987-10-19 739 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station side and just ENE of weather station. T8S, R3W, NW 1/4 of NW1/4 of section 26. 329 Comment
  CAS-BOT-BC310321  Pennisetum setaceum Duncan S. Bell; John Anderson; Keir Morse 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  RSA778141  Pennisetum setaceum Jim Andre 2011-2-2 16214 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UCR123356  Penstemon californicus Bern Schwenn 1997-6-29 s.n. Riverside San Jacinto Mtns., San Bernardino National Forest, junction of Cedar Springs Trail and Pacific Crest Trail 2073 Comment
  OBI32752  Penstemon centranthifolius E. W. Lathrop 1966-4-27 6211 Riverside Main Divide Truck Trl between El Carriso and San Mateo Cyn. Cleveland Natl Forest 1219 Comment
  UCR243168  Penstemon centranthifolius LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4333 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  CDA33582  Penstemon clevelandii Mike Lahti 2010-5-3 PDR# 1358703 Riverside Pinyon Flats. Comment
  CAS-BOT-BC265293  Penstemon clevelandii subsp. connatus Barbara Ertter; Jeffrey Strachan 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road [Forest Road 7S02] from Highway 74 [Pines to Palms Highway] 1584 Comment
  JEPS15103  Penstemon clevelandii var. connatus A. E. Wieslander 1938-5-5 737 Riverside near Sugar Loaf Mountain; Thermal Quad. Comment
  JEPS7547  Penstemon clevelandii var. connatus M. French Gilman 738 Riverside Pinyon Flats Santa Rosa Mts., Pinyon Flats Comment
  UC397415  Penstemon eatonii var. undosus P. A. Munz 1921-5-1 4541 Riverside Pinyon Wells Pinyon Wells (Southern California) 1219 Comment
  NY601635  Penstemon heterophyllus var. australis F. A. Thackery 1928-5-22 372 Riverside Banning Heights Comment
  UC1971232  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  RSA650002  Penstemon spectabilis Toppenberg 1961-5-12 13 Riverside Beaumont side of Idyllwild. Comment
  UCD124326  Penstemon spectabilis R. N. Raynor 1938-6-20 s.n. Riverside southwest side of San Jancinto Mountain. Comment
  UCR154441  Penstemon spectabilis A. C. Sanders, Mike Misenhelter 2005-6-15 30980 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR213573  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37815 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR37460  Penstemon spectabilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  UCR4114  Penstemon spectabilis Ronald M. Cope 1965-5-3 s.n. Riverside Riverside, on E side of road between Pigeon Pass Rd. and 'Big C', about 0.5 mi from 'C' 610 Comment
  CAS-BOT-BC330344  Pentachaeta aurea John Thomas Howell 1927-8-2 2911 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  POM19632  Pentachaeta aurea Mary F. Spencer 1923-7-27 2211 Riverside Fern Valley 1616 Comment
  RSA0070921  Pentagramma maxonii F. W. Peirson 1921-3-20 5357 Riverside Andreas Canyon, near Palm Springs. 243 Comment
  RSA0070723  Pentagramma triangularis Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. [County not specified on label. Could be Orange, Riverside, or San Diego County] 609 Comment
  LA3453  Pentagramma triangularis subsp. viscosa Norman C. Cooper; 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  RSA0042163  Peritoma arborea Duncan S. Bell, Evan Meyer 2014-4-2 6523 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SBBG2637  Peritoma arborea H. and M. Dearing 1938-3-5 1075 Riverside Box Cyn, N of Mecca Comment
  CAS-BOT-BC77483  Peritoma arborea var. angustata F. O. Ballow 1926-2-25 s.n. Riverside Valley near Banning Comment
  CAS-BOT-BC77488  Peritoma arborea var. angustata B. D. Stark 1932-6-15 1524 Riverside Colorado Desert, Eagle Mts., above Utopia 228 Comment
  CAS-BOT-BC73775  Peritoma arborea var. arborea J. Beley 1974-2-22 73 -641 Riverside 1 1/2 mile east of Cabazon Comment
  SEINET2054110 Image available Perityle emoryi G. Helmkamp, E. Helmkamp 1998-1-17 2539 Riverside Box Canyon Road ENE of Mecca and on theNorth side of Coachella Canal. 0 Comment
  UCR103584  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  LA49847  Petalonyx thurberi subsp. thurberi Norman C. Cooper; 1944-5-20 2631 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  RSA69829  Petunia parviflora J. C. Roos 1951-10-19 5327 Riverside San Jacinto Valley near south end of Old Jackrabbit Trail. 457 Comment
  UCR274815  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 011 Riverside Sonoran (Colorado) Desert, Palen Valley south of Power Line Road that paralleles Hwy I-10 159 Comment
  RSA93142  Peucephyllum schottii Alice Yates, Jas E. Wilcox 1954-1-29 s.n. Riverside 3 miles N of Desert Hot Springs 396 Comment
  UC702010  Phacelia Frank W. Gould 1943-4-17 2129 Riverside 4 mi e Elsinore Comment
  RSA697778  Phacelia ambigua J. R. Bruff 1927-3-13 22 Riverside Thousand Palms Comment
  RSA600  Phacelia brachyloba J. T. Howell 1927-8-2 561 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  SEINET10497000  Phacelia campanularia James S. Miller 1992-5-8 Miller 7465 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  UC217927  Phacelia campanularia subsp. campanularia P. A. Munz, D. Keck 1922-4-14 5003 Riverside mesa e Whitewater Ranch; Colo. Desert 213 Comment
  UC809716  Phacelia campanularia subsp. vasiformis Philip A. Munz 1949-4-11 13021 Riverside slope near Conejo Well; Mohave Desert, north base of Eagle Mts. 914 Comment
  UCR50515  Phacelia cicutaria var. hispida S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  OBI26128  Phacelia crenulata David J. Keil 1976-12-12 11906 Riverside Ca. 5 mi E of Indio along I-10 Comment
  SEINET10496983  Phacelia crenulata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 24 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UCR117376  Phacelia crenulata B. G. Pitzer 1998-2-1 3442 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  JEPS2239  Phacelia crenulata var. ambigua Marjorie D. Clary 1932-3-15 1605 Riverside 12 mi sw Indio (foot of mts.); Colorado Desert, Santa Rosa Mts. 91 Comment
  UCR279527  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-29 43189 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCSB34131  Phacelia crenulata var. ambigua Nilsen, Erik 1977-3-5 Riverside Upper Bajata, Riverside county 304 Comment
  RSA0125283  Phacelia crenulata var. minutiflora Duncan S. Bell 2016-3-4 8788 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
  UC1595792  Phacelia crenulata var. minutiflora W. Wisura, J. Dolan, M. Wall 1992-3-25 4647 Riverside n I-10; Lowdesert, Ford Dry Lake, Hopkins Well Comment
  RSA278976  Phacelia distans Barry A. Prigge 1978-3-23 2426 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  SBBG37493  Phacelia distans R. N. Muller 1967-5-5 Riverside UC Riverside campus on S side of first E-W ridge of irrigation reservoir, in open grassy areas Comment
  SBBG64888  Phacelia distans M. N. Ackley 1928-3-11 407 Riverside near Cabazon 609 Comment
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Mar 13 2011
  UCD120432  Phacelia distans R. L. Smith 1948-3-24 s.n. Riverside North east side of San Jacinto Mountains. Comment
  UCR104929  Phacelia distans A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20641 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
  UCR165915  Phacelia distans T. B. Salvato, John F. Green 2004-5-27 558 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR207337  Phacelia distans O. F. Clarke 2004-3-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA622  Phacelia imbricata subsp. patula J. T. Howell 1927-8-2 559 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  RSA493824  Phacelia minor Maureen Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane & Via View Dr. 732 Comment
  RSA511057  Phacelia minor Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  UCR162879  Phacelia minor T. B. Salvato, Kelly Volansky 2003-3-27 123 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR261177  Phacelia minor A. C. Sanders, Katie Young, John Hale 2015-4-22 41603 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR90752  Phacelia minor Scott D. White 1995-4-5 2736 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JEPS1063  Phacelia pedicellata Marjorie D. Clary 1932-4-12 1612 Riverside 8 mi w Coachella; Colorado Desert, Devil's Canyon 182 Comment
  RSA666662  Phacelia stellaris O. F. Clarke, Helga Forster 2000-03 s.n. Riverside Riverside, west of Santa Ana River oppsoite the south end of Mt. Rubidoux, SE of Flabob Airport, s of bend in Crestmore Rd. and 2 mi. S of Mission Blvd., E of co. Parks Hqtrs. 229 Comment
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Feb 7 2007
  RSA206497  Phalaris minor E. W. Lathrop 1969-5-19 7066 Riverside 6 mi west of Murrieta. Mesa De Colorado of Santa Rosa Plateau Comment
  HSC83021  Pholistoma membranaceum N. M. Fellows 1985-3-16 111 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  JOTR28817  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1085 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  UCD120944  Pholistoma membranaceum Geoffrey Levin 1976-3-27 685 Riverside Riverside County; Chino Canyon, west of Palms Springs, Mt. Range: Alluvial fan of San Jacinto Mts., Drainage area: Salton Sea Basin 396 Comment
  VVC284  Pholistoma membranaceum A. C. Sanders, J. Mac 1997-2-8 19683 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  UCR133554  Phoradendron californicum E. K. Balls 1949-4-4 12972 Riverside Sonoran (Colorado) Desert, Desert Beach on Hwy 111 -46 Comment
  SEINET8727958 Image available Phoradendron californicum Lewis S. Rose 1938-1 38315 Riverside Palm Springs. 137 Comment
  RSA132708  Phoradendron densum Del Wiens 1954-10-19 961 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. Comment
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  SBBG61547  Phoradendron juniperinum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  SD137586  Phoradendron macrophyllum Darin L. Banks, Steve Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Dripping Springs Campground 487 Comment
  RSA520086  Phoradendron villosum Steve D. Boyd, David E. Bramlet 1988-10-8 2878 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR138555  Phoradendron villosum Steve Boyd, D. E. Bramlet 1988-10-8 2878 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UC699665  Phyla lanceolata Kay H. Beach 1942-10-22 1660 Riverside three mi nw Corona city limits (along Chino Creek); along Chino Creek 198 Comment
  RSA594133  Phyla nodiflora var. nodiflora D. L. Banks, Victor W. Steinmann 1996-4-20 899 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  UCSB41543  Physalis acutifolia Roos, John 1965-9-5 Riverside Blythe Comment
  CLARK-A1528-4360  Physalis crassifolia John C. Roos 1947-2-1 3228 Riverside Painted Canyon Comment
  POM4167  Physalis crassifolia I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. 274 Comment
  RSA15522  Physalis crassifolia L. S. Rose 1936-1-1 36001 Riverside 19 mi. N of Indio, Aqueduct Rd. 610 Comment
  RSA782197  Physalis crassifolia Duncan S. Bell 2011-10-22 2984 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR37627  Physalis crassifolia George K. Helmkamp 1984-5-2 D 19 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA0126964  Physalis philadelphica R. E. Riefner 2017-5-18 17 -260 Riverside City of Hemet, E. of Winchester, N of Simpson Road, E. of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  UCR17042  Physalis philadelphica R. L. Lasby 1969-5-16 32 Riverside South of Bloomington, [Crestmore] along the E side of Cactus Ave., 0.2 mi south of Jurupa Ave., between windbreak of Eucalyptus trees on the north and low bluff (10-20 ft. high) on the south 293 Comment
  RSA769823  Pinus coulteri E. W. Lathrop 1968-5-22 6933 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR241203  Pinus coulteri Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1013 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  RSA595732B  Pinus flexilis L. C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  UC1612275  Pinus lambertiana H. M. Hall 2319 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  CLARK-A1528-3628  Pinus monophylla John C. Roos 1947-12-14 3764 Riverside Lost Palms Canyon Comment
  JEPS47935  Pinus monophylla W. L. Jepson 1916-5-18 6034 Riverside Pinyon Well Canyon, n borders Colorado Desert Pinyon Well Canyon; Colorado Desert, Cottonwood Mts., Pinyon Well Canyon Comment
  SBBG56389  Pinus murrayana R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  RSA503434  Pinus quadrifolia Mark Parratt 1962-2-24 114 Riverside 1/4 mile north of Nightengale, Calif. on State hwy. 74. Mt. Range San Jacinto. Alt. 3900 ft. 1189 Comment
  POM319568  Piperia Patricia Wilder 1968-7-5 4323 Riverside Forested area near Idyllwild, San Bernardino National Forest, Strawberry-Little Tahquitz Creek Drainage Area, San Jacinto Mountains. Alt: 6100 ft. 1860 Comment
  UCR103792  Piptatherum miliaceum Scott D. White 1994-10-21 2510 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UCR103483  Pistacia atlantica A. C. Sanders 1996-10-22 19641 Riverside Riverside: east side of UCR campus near Greenhouse 20 335 Comment
  UCR98005  Plagiobothrys arizonicus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1332 B Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  CLARK-A1045-185  Plagiobothrys bracteatus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA689516  Plagiobothrys collinus var. californicus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UC78057  Plagiobothrys collinus var. californicus Edward Lee Greene 1885-1-1 Riverside Temecula Station Comment
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Mar 27 2011
  SD137834  Plagiobothrys collinus var. fulvescens Darin L. Banks 1995-4-11 169 Riverside Cleaveland National Forest, Agua Tibis Wilderness Area. East of Dripping Springs Alcove Area, east of Dripping Springs Trail 952 Comment
  SD247372  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman and Jeff Crain 2015-4-6 41568 Riverside Peninsular Range: Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15. 370 Comment
  SEINET10805514  Plagiobothrys collinus var. fulvescens Mitch C. Provance 2003-4-26 Provance 9895 Riverside Santa Ana River Vlley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common) 274 Comment
  UCR67342  Plagiobothrys leptocladus A. C. Sanders 1991-4-19 10927 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
  UCR116847  Plagiobothrys nothofulvus A. C. Sanders, Steven R. Hill 2001-5-4 24145 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
  UCR77718  Plagiobothrys tenellus Steve Boyd 1991-5-7 6176 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  HSC78732  Plagiobothrys undulatus A. C. Sanders, T. Glenn 1983-4-17 3729 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  VVC2184  Plagiobothrys undulatus Tim Thomas, Bill Baker 1983-6-30 579 C Riverside Santa Rosa Plateau, Burro Mesa 630 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
  SEINET1910853  Plantago erecta A. C. Sanders 1997-1 19846 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR180695  Plantago erecta Mitch Provance 2003-4-26 9882 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  JEPS6883  Plantago ovata Aven Nelson, Ruth A. Nelson 1939-3-22 3213 Riverside Palm Springs Area Comment
  SEINET10869830  Plantago ovata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 30 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
  UCR51966  Plantago ovata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  JOTR35344  Plantago ovata var. fastigiata Harding, Mitzi, Mark Wheeler 2012-2-28 111 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  RSA709893  Plantago ovata var. fastigiata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4594 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SBBG25878  Plantago ovata var. fastigiata E. R. Blakley 1966-4-9 6750 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  RSA770451  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4563 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.95609, W116.64365 and N33.95477, W116.64248. 526 Comment
  RSA6097  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  RSA772005  Platanus racemosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4967 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
  UCR21165  Platanus racemosa 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
  RSA445709  Platystemon californicus G. R. Johnstone 1934-3-27 18575 Riverside Near Wildomar. Inland route to Temecula. Comment
  RSA674568  Platystemon californicus Scott D. White 2000-5-3 7767 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of 'Red Hawk' subdivision. 351 Comment
  RSA775810  Platystemon californicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 890 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR142190  Platystemon californicus June Latting 1979-4-8 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR19213  Platystemon californicus John C. Roos 1942-5-2 1147 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. Hidden Valley Comment
  JEPS6894  Plectritis ciliosa subsp. insignis Marcus E. Jones, A. M. 1882-4-24 3167 Riverside San Jacinto Comment
  RSA336042  Pleuraphis rigida R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52021 Riverside Chino Canyon Comment
  RSA709904  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC63366  Pleurocoronis pluriseta H. M. Hall May 17 1901-Jun 1 1901 1871 Riverside Palm Canyon 457 Comment
  RSA180359  Poa bulbosa E. W. Lathrop 1965-4-18 5561 Riverside 10 miles west of Murrieta. Comment
  RSA741223  Poa pratensis Scott D. White, Justin M. Wood 2008-5-15 12011 Riverside Johnson Meadow. 1415 Comment
  CAS-BOT-BC237697  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 307 -1 Riverside Next to Highway 79 E of Rancho California (Temecula) on banks of river Comment
  CAS-BOT-BC237698  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-21 310 Riverside Near Observation Point on Highway 74 701 Comment
  RSA613418  Poa secunda D. L. Banks 1997-4-5 1673 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area., South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR177175  Poa secunda Scott D. White, Michael Honer 2003-4-25 9122 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR23303  Poa secunda John C. Roos 1952-4-2 5453 Riverside Edgemont, near Box Springs 488 Comment
  JOTR30224  Poa secunda subsp. secunda Leary, C. and Leary, Pat 1979-5-5 2998 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 Comment
  LA12631  Poa secunda subsp. secunda L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  RSA593878  Polycarpon tetraphyllum Steve Boyd, David E. Bramlet 1996-4-19 8622 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
  POM2363  Polygonum bistortoides I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA522722  Polygonum lapathifolium Steve Boyd, Tim S. Ross 1989-8-28 3813 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR82881  Polygonum punctatum A. C. Sanders, P. J. MacKay 1994-10-23 15851 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  RSA526088  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 4661 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA792258  Polypogon monspeliensis D. M. McF 1954-5-28 11 Riverside Jct Hwy 395 and Newport Ave. Comment
  UCR126444  Polypogon monspeliensis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 43 Riverside Coachella Valley, 50th St. at Filmore, 2.5 mi east of town of Coachella -8 Comment
  CAS-BOT-BC102601  Populus fremontii Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  CAS-BOT-BC356164  Porophyllum gracile Carl B. Wolf 1932-4-27 3052 Riverside Colorado Desert. 1 mi. off Mecca-Blythe Road. Lower end of Lost Palms Canyon at 1st. rocky hills 243 Comment
  RSA28031  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  UC1446193 Image available Portulaca oleracea subsp. papillatostellulata A. Danin 1978-3-13 Riverside Palm Springs, Riverside Co. Comment
  RSA180483  Potamogeton foliosus E. W. Lathrop 1960-6-9 4971 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC453923  Potamogeton pectinatus A. J. McC. 1892-6-5 99 Riverside Elsinore Comment
  UC434  Potamogeton pectinatus S. B. and W. F. Parish 1891-11-3 2277 Riverside Elsinore Lake Comment
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Aug 8 2010
  UCR18679  Proboscidea althaeifolia Frank C. Vasek 1971-9-8 710908- 01 Riverside Sonoran (Colorado) Desert, Dry lake, 3 mi. north of Desert Center. Comment
  UCR280431  Proboscidea althaeifolia Onkar Singh 2015-11-10 5612 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2.5 km north of Desert Center, on west margin of Kaiser Road 50 meters south of Oasis Rd. 231 Comment
  CLARK-A1528-2867  Prosopis chilensis var. glandulosa John C. Roos 1952-7-16 5814 Riverside San Timoteo Canyon 441 Comment
  POM348732  Prosopis glandulosa var. torreyana N. C. Cooper 1948-5-13 2841 Riverside Morongo Pass 457 Comment
  UCR17319  Prosopis glandulosa var. torreyana Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  RSA698010  Prosopis juliflora W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  RSA192112  Prunus E. W. Lathrop 1959-4-16 4455 Riverside 18 miles southwest of Elsinore. Comment
  UC495305  Prunus fasciculata C. L. Hitchcock 1932-4-8 12219 Riverside 1 mi W of Cottonwood Springs; eastern Riverside Co. Comment
  UCR244386  Prunus fasciculata var. fasciculata Jim Andre 2012-4-16 20967 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  POM9357  Prunus fremontii Mary F. Spencer 1918-4-1 759 Riverside Andreas Valley near Palm Springs, Colorado Desert. 152 Comment
  UCR154408  Prunus ilicifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30943 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR117330  Prunus ilicifolia subsp. ilicifolia Mitch Provance 1998-6-11 656 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  CLARK-A1528-4037  Prunus virginiana John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC293743  Psathyrotes ramosissima Mona Bourell 1987-4-14 3273 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca 150 Comment
  CAS-BOT-BC356336  Psathyrotes ramosissima Mrs. Robert Campbell 1921-11-26 s.n. Riverside Between Palm Springs and Indian Wells Comment
  CAS-BOT-BC356352  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  RSA472309  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  UCR279561  Psathyrotes ramosissima A. C. Sanders, Jim Malusa 2017-3-29 43169 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  SD136919  Pseudognaphalium biolettii Steve Boyd, Tim Ross 1992-5-4 7211 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  SEINET10669298  Pseudognaphalium canescens subsp. microcephalum Nye Leith, Greg Gust 2005-3-11 Nye 69 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  RSA0125103  Pseudognaphalium microcephalum Duncan S. Bell 2016-10-27 10212 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA0116456  Pseudognaphalium stramineum R. G. Swinney 2011-6-9 17194 Riverside Santa Ana River Valley: Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  MACF019489  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 270 Riverside Approx. 5 mi. west of intersection of St. 74 and 243, going toward Hemet. San Bernardino National Forest. 1219 Comment
  UCR281256  Psilocarphus brevissimus Mitch Provance, Jeremiah George 2017-3-23 317- 66 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  RSA593908  Psilocarphus brevissimus var. brevissimus Steve Boyd, David E. Bramlet 1996-4-19 8600 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  POM259739  Psilostrophe cooperi E. C. Jaeger 1939-12-16 s.n. Riverside Chuckawalla Springs 183 Comment
  UCR40269  Psoralea macrostachya Steve Boyd 1985-7-30 1049 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  CAS-BOT-BC353583  Psorothamnus arborescens var. simplicifolius O. F. Sillig 1911-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  UCR237700  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4531 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  HSC82766  Psorothamnus emoryi Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7819 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  LA205188  Psorothamnus emoryi A. M. Johnson; 1928-5-5 342 Riverside Travertine Rock Comment
  RSA498359  Psorothamnus emoryi H. de Forest, George R. Johnston 1925-4-17 s.n. Riverside Between Banning and Whitewater Comment
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Jan 16 2010
  UC68506  Psorothamnus emoryi H. M. Hall Apr. 1905 5949 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  UCR104000  Psorothamnus emoryi George K. Helmkamp 1998-4-4 3138 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  HSC47590  Psorothamnus schottii Richard Spjut 1978-5-10 5038 Riverside Colorado Desert: N face of Chuckawalla Mts., 2.7 mi. S of Desert Center 335 Comment
  RSA124112  Psorothamnus schottii Percy C. Everett, E. K. Balls 1958-4-29 22957 Riverside U.S. Hwy 60/70, Indio to Blythe, 5 mi. E from jct. with U.S. Hwy 99 122 Comment
  UCSB18654  Psorothamnus schottii Gerhart, Janet 1963-4-6 Riverside Coachella Canal-siphon 22, 5 miles southeast of intersection of Salt Creek Wash Road Comment
  JEPS41683  Psorothamnus spinosus S. B. Parish 1912-6-28 8167 Riverside Red Canyon near Mecca; Red Canyon near Mecca Comment
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Nov 24 2011
  UC1129842  Psorothamnus spinosus H. S. Yates 1937-6-27 6725 Riverside mouth of Deep Canyon Thermal Quad., mouth of Deep Canyon Comment
  UC403403  Psorothamnus spinosus H. E. and S. T. Parks Feb. 1929 394 Riverside below Palm Springs (along the desert edges); below Palm Springs Comment
  GMDRC6574  Pteridium aquilinum var. pubescens J. M. Andre 2012-6-15 30531 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  RSA575882  Pteridium aquilinum var. pubescens Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills region, ''Blue Oak Canyon'' steep tributary to Dawson Canyon on the northern flank of Estelle Mountain. 487 Comment
  UC876176  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Idyllwild San Jacinto Mt. (Banning Rd) 1524 Comment
  RSA784661  Pterostegia drymarioides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 68 Riverside South main divide road splitting Comment
  UCR116853  Pterostegia drymarioides A. C. Sanders, Steven R. Hill 2001-5-4 24140 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
  UCR258871  Pterostegia drymarioides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7906 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
  RSA0086467  Quercus Mitch Provance 2012-4-27 412 -18 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-1- and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR266457  Quercus Mitch Provance 2009-9-10 17424 Riverside San Bernardino Mountains, Banning, beneath SCE lines about 290 m NW of the intersection of Bluff St. and Midas Canyon Rd 850 Comment
  UCR77716  Quercus X morehus Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5468 Riverside Peninsular Range; San Jacinto Mtns. Region, Cahuilla Mountain, between Anza and Hemet, SW of Bautista Canyon 1524 Comment
  UCD170486  Quercus agrifolia Tom Scott Apr 2011 2011- 575 Riverside San Bernardino Mountains: South side of mountains along Mias Canyon Rd., ca. 0.5 mile north of Bluff St., north of Banning. 863 Comment
  UCR155335  Quercus agrifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29267 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR180579  Quercus agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  LA46441  Quercus chrysolepis W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  UC488911  Quercus chrysolepis C. V. Meyer Jun 1927 165 Riverside Saunders Meadows San Jacinto Mts. 1737 Comment
  SEINET12028629  Quercus chrysolepis L. A. Bellue, Schlising, R. A. 1970-1 2954 Riverside Morris Ranch Road;3.3mi N of Hwy-74 Comment
  RSA487834  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8719 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  RSA503826  Quercus cornelius-mulleri E. Crow 1928-11-12 45 Riverside Morongo Valley, Colorado Desert. Comment
  CAS-BOT-BC257778  Quercus dumosa P. S. Manos 1988-10-27 668 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  UCR217506  Quercus engelmannii Jeff B. Galvin 2008-5-7 41 Riverside Santa Ana Mtns, San Mateo Cyn (West), 1.1km west of Wildomar Rd., and 500m southwest of Tenaja Trail 655 Comment
  JOTR30778  Quercus john-tuckeri La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1888 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  SEINET10622123  Quercus john-tuckeri Greg Gust, Leith Nye 2005-3-11 Gust 547 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  RSA663307  Quercus lobata Mitch Provance 1998-6-24 749 Riverside Jurupa Mountains: Glen Avon Heights, area N of the end of Lindsay St. 253 Comment
  SD44535  Quercus palmeri James E. Cole 1947-2-6 1001 Riverside Joshua Tree National Monument. Lower Covington Flat 1463 Comment
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Jul 27 2009
  SDSU21246  Quercus turbinella S. H. Bullock 1972-5-25 273 Riverside Riverside County Hwy 74. Pinyon flat. 1227 Comment
  UCD73482  Quercus wislizeni A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  RSA0108819  Rafinesquia neomexicana Duncan S. Bell, Amanda Turek 2009-3-30 184 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA0124737  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-9 8848 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA605191  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16135 Riverside Coachella Valley, mouth of San gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 329 Comment
  RSA676271  Rafinesquia neomexicana Scott D. White 2001-4-3 8259 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA779696  Rafinesquia neomexicana Duncan S. Bell 2010-4-2 722 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  UC665741  Rafinesquia neomexicana Ira L. Wiggins 1941-3-27 9688 Riverside desert wash 9 mi w Desert Center Comment
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Feb 23 2010
  RSA0005415  Ranunculus californicus var. austromontanus P. A. Munz 1927-5-21 10892 Riverside Coahuila Valley. 1372 Comment
  SEINET998620  Rhamnus californica T. B. Salvato 2004-1 597 Riverside San Bernardinos Mtns: head of Banning (San Gorgonio River) Canyon San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UC1979345  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79. Comment
  SEINET10493674  Rhamnus ilicifolia James S. Miller 1992-5-8 Miller 7460 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UCR133453  Rhamnus ilicifolia Tracy Tennant, J. S. Ross 1998-7-28 MOR- 669 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, upper Millard Cyn. (polygon M16) 1372 Comment
  UCR240648  Rhamnus ilicifolia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 415 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA787603  Rhododendron occidentale Keith E. Hoffmaster 1937-7-5 817 Riverside San Jacinto Mountains, Pine Flat. Comment
  RSA613893  Rhus lancea A. C. Sanders, P. Mackay, T. Thomas, G. Helmkamp 1997-2-8 19686 Riverside Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  UCR167851  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-2 1338 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  POM13126  Rhus ovata I. M. Johnston 1922-5-18 5327 Riverside Glen Ivy Comment
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Sep 24 2013
  RSA11581  Rhus trilobata var. anisophylla N. Dunn, A. M. Martin s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  CAS-BOT-BC92347  Ribes amarum James R. Shevock 1978-4-26 5905 Riverside Along the northeast side of Pleasants Peak. Santa Ana Mountains, Cleveland National Forest. 1188 Comment
  RSA439667  Ribes indecorum J. S. Stubblefield 1939-3-23 s.n. Riverside Temecula. Comment
  RSA798536  Ribes indecorum Robert F. Thorne, E. W. Lathrop 1977-5-18 49733 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  CAS-BOT-BC212235  Ribes quercetorum Philip A. Munz 1937-5-31 15120 Riverside Anza Tablet, head of Coyote Canyon, S.W. Riverside County 1066 Comment
  SEINET3089522 Image available Ricinus communis Michael DeJong 1971-4-10 Riverside Riverside, Hill behind apartments 5400 block of Olivewood Avenue, Riverside Comment
  UCR199570  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR213493  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38413 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. 399 Comment
  UCR92072  Rorippa nasturtium-aquaticum Scott D. White, S. Ogg 1994-10-17 2487 Riverside City of Temecula, Murrieta Creek channel 2000 ft. north of bridge at Rancho California Ave. 305 Comment
  CAS-BOT-BC147542  Rosa californica Jenkins; Street 1917-5-30 1951 Riverside San Jacinto [Canon] Canyon Comment
  UCR121262  Rubia tinctoria O. F. Clarke 2001-7-3 s.n. Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden 335 Comment
  CAS-BOT-BC158732  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3918 Riverside San Juan River east of San Juan Hot Springs Comment
  UCR91404  Rumex conglomeratus Scott D. White 1995-4-5 2720 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  POM153372  Rumex maritimus P. A. Munz, I. M. Johnston 1928-9-12 11245 Riverside North end of Lake Elsinore. Comment
  RSA802421  Rumex salicifolius Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5018 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR125224  Rumex salicifolius Mitch Provance, Twoc Tran 1998-5-30 567 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR182532  Rumex salicifolius var. denticulatus Mitch Provance 2005-5-17 6578 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 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
  UCR41218  Rumex salicifolius var. denticulatus N. M. Fellows, A. C. Sanders 1985-5-7 176 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  SEINET4178297  Rumex salicifolius var. salicifolius I. W. Clokey 1935-8-21 6601 Riverside Fuller's Creek 1500 Comment
  UCR43752  Sagina C. Sylber 1986-5-20 s.n. Riverside Riverside, residential garden at 1040 Central Avenue 366 Comment
  SD167147  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of California Highway 74. 548 Comment
  UCR16808  Salazaria mexicana S. M. Chambers 1970-5-9 17 Riverside Santa Rosa Mtns., State Hwy 74, c. 4 mi. west of Palm Desert. 457 Comment
  SEINET5568897  Salicaceae Swingle 1915-1 s.n. Riverside Indio. Comment
  CAS-BOT-BC103904  Salix exigua Frank W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4 1/2 miles above the bridge 701 Comment
  POM295747  Salix exigua Lyman D. Benson 1946-4-15 12047 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UC717268  Salix exigua W. A. Setchell and Victor Duran 1935-4-19 9 Riverside 1000 Palm Canyon; Indio Region Comment
  UCR94250  Salix exigua Scott D. White 1996-4-14 3927 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA0030829  Salix exigua Norman C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 304 Comment
  SBBG58927  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SD137625  Salix exigua var. hindsiana Darin L. Banks, Steve Boyd 1995-3-16 101 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage 555 Comment
  CHSC1621  Salix gooddingii S. Westerberg 1938-4-17 Riverside Lake Elsinore 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
  CAS-BOT-BC108215  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA0010971  Salix hindsiana L. T. Street, M. Durant 1918-5-12 23 Riverside San Jacinto River Canyon Comment
  CDA38726  Salix laevigata Mike Lahti 2013-4-13 PDR# 331 P06141938 Riverside East Hemet; Bautista Canyon. 0 Comment
  UC717266  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UCR228874  Salix laevigata A. C. Sanders 2011-4-6 39016 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA92654  Salix lasiolepis F. W. Peirson 1933-4-14 10648 Riverside Road between Banning and Idyllwild. 1524 Comment
  RSA314488  Salsola paulsenii R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55359 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SDSU12909  Salsola tragus Jutta Buschbom 1991-6-15 29 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR263243  Saltugilia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41476 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  SEINET3860546  Saltugilia australis Leigh A. Johnson, Deborah A. Johnson 1997-5-12 97 -082 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. vicinity. Along road to Cahuilla Mtn. trail, plants collected 0.3 to 1.7 miles from Tripp Flats Forest Service station. Plants farther up road in mid flower, a few in seed; mostly past flowering near start of road with capsules just ripening.; 0 1220 Comment
  RSA0094999  Saltugilia splendens subsp. splendens R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38082 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM13571  Salvia apiana P. A. Munz 1922-6-26 5829 Riverside Southern Slope of Santa Rosa Mts. 1707 Comment
  SBBG71162  Salvia apiana V. Duran 1933-7-1 3491 Riverside near Santa Rosa 1828 Comment
  SD137723  Salvia apiana Darin L. Banks, Steve Boyd 1995-6-2 577 Riverside Agua Tibia Wilderness Area; north face of north peak of Agua Tibia Mountains, on the Woodchuck Trial north of the Riverside County boundary. 744 Comment
  UCR90393  Salvia apiana D. L. Banks, Steve Boyd 1995-5-9 0349 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 793 Comment
  UCR172728  Salvia carduacea Andrea Salzman, Rosina Gallego 2006-4-21 83 Riverside Perris-Aguanga Basin, Wilson Valley between Sage and Radec, off Sage Road 640 Comment
  SDSU18372  Salvia columbariae C. Matt Guilliams 2008-2-21 463 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. 418 Comment
  UC1584115  Salvia columbariae Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3856 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mtn); Vail Lake Area, Temecula Creek Canyon, Big Oak Mtn. 396 Comment
  UC883893  Salvia columbariae I. W. Clokey 1935-4-18 6864 Riverside Gavilan Peak 600 Comment
  UCR208348  Salvia columbariae O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR50919  Salvia columbariae A. C. Sanders 1988-5-11 7799 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  SD49858  Salvia eremostachya Peter H. Raven 1958-5-18 13000 Riverside Along State Highway 74, 4.9 miles northeast of Pinon Flats, San Jacinto Mountains. Comment
  SD70009  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia and Chocolate Mountains. 121 Comment
  UCR42410  Salvia greatae J. M. Stewart 1986-1-26 86- 8 Riverside Sonoran (Colorado) Desert, south fork of Hidden Spring Canyon, Mecca Hills Comment
  RSA434155  Salvia mellifera Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, Mountain slope 549 Comment
  RSA727056  Salvia mellifera Jay Walker, R. C. Walker 3087 Riverside 1.6 m W of Radec (jct 79 and R3), along Cutca Valley Road, 0.3 miles from jct with hwy 79. Comment
  SBBG99475  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UC1124804  Salvia mellifera A. Lewis 1934-3-3 315 Riverside Tin Mine Canyon; Cleveland National Forest, Corona Quad. 609 Comment
  CAS-BOT-BC233345  Salvia vaseyi A. Davidson 1983-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  UCSB21139  Salvia vaseyi Keefe, Joseph 1967-3-23 Riverside Whitewater Canyon Road; 1.9 miles north of U.S. Highway 99; east of Banning 609 Comment
  RSA0106414  Sambucus mexicana Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed above Market St. Bridge. Comment
  CLARK-A1528-3839  Samolus parviflorus John C. Roos 1937-6-7 497 Riverside Aguanga Comment
  RSA192210  Sanicula arguta E. W. Lathrop 1965-4-25 5674 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  RSA689449  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-9 8984 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UC219265  Sanicula bipinnatifida P. A. Munz and I. M. Johnston 1922-5-19 5373 Riverside Menifee Valley 411 Comment
  UCR25136  Sanicula tuberosa T. Gull 1973-5-19 s.n. Riverside San Jacinto Mtns., Hwy 74, [below Mountain Center] 5 mi. south of Idyllwild 1500 Comment
  CLARK-A1528-128  Sarcostemma cynanchoides subsp. hartwegii Bruce Freeman 1968-5-11 680511-3 Riverside Santa Ana Mountains 182 Comment
  UCR129153  Sarcostemma hirtellum Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  CSUSB1165  Schismus arabicus Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UCR167239  Schismus arabicus 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
  UCR245913  Schismus arabicus Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3946 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR89564  Schismus arabicus George K. Helmkamp 1994-3-10 42- 14 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA772124  Schismus barbatus Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4834 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
  SD247293  Schismus barbatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41445 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 (White Water 7.5'Q) 433 Comment
  UCD80951  Schismus barbatus Chuck Hughes 2009-3-23 64 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR102747  Schismus barbatus B. G. Pitzer 1998-2-1 3447 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCSB55399  Schoenoplectus americanus Wheeler, Louis 1932-9-4 Riverside Santa Ana River; at Chino Creek 182 Comment
  UCR278377  Schoenoplectus californicus Mitch Provance 2012-9-5 912- 08 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  POM1421  Scirpus acutus var. occidentalis D. L. Crawford, I. M. Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona Comment
  RSA335035  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  UC60276  Scirpus microcarpus H. M. Hall June 1901 2289 Riverside along water courses in vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1615 Comment
  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
  UCR161440  Scrophularia californica A. C. Sanders, Mike Misenhelter 2005-9-20 31687 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
  RSA660913  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside SW side of ''Royal Hill'', 0.25 miles E of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UCR247910  Scutellaria bolanderi subsp. austromontana Fred M. Roberts 2013-6-7 7782 Riverside Peninsular Ranges, SANTA ANA MTNS.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 km NNW Upper San Juan Campground 536 Comment
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Jan 23 2016
  RSA543200  Selaginella bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6100 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga 600 Comment
  RSA785366  Selaginella bigelovii Doris Bowers 1972-4-15 1832 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  SD81677  Selaginella bigelovii Louis C. Wheeler 1931-10-2 177 Riverside San Jacinto Mountains, Hemet-Idyllwild Road 915 Comment
  CAS-BOT-BC62084  Selaginella eremophila S. B. Parish 1914-4-6 9030 Riverside Mountain Springs, Colorado Desert Comment
  CAS-BOT-BC62257  Selaginella watsonii P. A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak 3285 Comment
  UC279629  Selaginella watsonii E. C. Jaeger 1921-6-29 571 Riverside <Tacquitz> Peak; San Jacinto Mts. 2895 Comment
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Feb 21 2014
  SEINET2054637 Image available Senecio californicus Dave Hawks 1986-4-16 Riverside Alta Mesa wind turbine field, on the ridge abvove Whitewater Canyon, W of Bonnie Berll. (Whitewater UTM 10 km cell: NH-N5, E3) Comment
  UC1563104  Senecio californicus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3103 Riverside dried bed of man-made pond and adjacent slopes at n base of rounded knob 1.25 mi wsw dam; Vail Lake area 609 Comment
  UCR214007  Senecio californicus Scott D. White, Angelia Carey 2004-4-5 9942 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA735230  Senecio flaccidus Scott D. White, Angelia Carey 2004-6-4 10479 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  CAS-BOT-BC364133  Senecio mohavensis Edmund C. Jaeger 1922-3-19 s.n. Riverside Painted Canyon near Mecca Comment
  POM160081  Senecio mohavensis E. C. Jaeger 1927-3-23 s.n. Riverside Hidden Springs. Comment
  SBBG87940  Senecio mohavensis A. C. Sanders 1986-3-3 6137 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  UCR60771  Senecio mohavensis Steve Boyd, O. Mistretta 1986-3-13 1473 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  SD229164  Senegalia greggii Dick Schwenkmeyer 2012-11-6 867 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  RSA675695  Sesuvium verrucosum Scott D. White 2001-5-1 8440 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  SD137934  Sesuvium verrucosum Darin L. Banks, Steve Boyd 1995-10-17 809 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 525 Comment
  UCR157947  Setaria adhaerens T. B. Salvato, A. C. Sanders 2005-5-17 932 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR17432  Setaria pumila Edward G. Wegenek 1970-8-24 LASCA- 952 Riverside Sonoran (Colorado) Desert, Blythe area, SE part of county 79 Comment
  UCR2740  Setaria pumila F. M. Reed 1906-5-6 971 Riverside South Coast; San Bernardino Valley, Riverside, cultivated ground on 'Reserve Ranch', sec. 30 317 Comment
  SEINET239052 Image available Setaria verticillata T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley; between Filmore and Buchanon on Avenue 56. Comment
  RSA0045151  Sida leprosa Andrew Haimov, April Sleigh 1992-5-26 99 Riverside East side of Davis Road, next to San Jacinto river, 1 mile north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  SEINET7073334  Sidalcea malviflora subsp. californica A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  RSA433912  Sidalcea malviflora subsp. sparsifolia M. B. Dunkle 1933-7-20 3701 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SDSU13643  Sidalcea sparsifolia W. Miller Riverside Road cut, north boundary past loop. Comment
  SBBG94888  Sidotheca trilobata C. McGaugh 1990-8-8 Riverside SW Durasno Valley, S of town of Anza 1371 Comment
  UCR133389  Silene antirrhina Tracy Tennant, T. B. Salvato 1998-6-23 485 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UC8462  Silene laciniata subsp. major H. M. Hall 1899-5-30 1217 Riverside Smith's Mt. Comment
  UC8492  Silene verecunda subsp. platyota H. M. Hall June, 1901 2215 Riverside Onstatt's Valley; San Jacinto Mountains, Onstatt's Valley 1524 Comment
  POM87310  Simmondsia chinensis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SBBG25812  Simmondsia chinensis M. Van Rensselaer 1937-6-23 Riverside Palms to Pines Hwy Comment
  SEINET6418759 Image available Simmondsia chinensis Franklin C. Raney 1959-1 59 -8 Riverside Wesrt side of Statea Hwy. 79, 13.1 miles south of Hemet Comment
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Oct 31 2015
  JEPS53874  Sisymbrium altissimum W. L. Jepson 1935-4-21 17162 Riverside Wisser Valley Comment
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Apr 7 2009
  VVC152  Sisymbrium altissimum A. C. Sanders, J. Mac 1997-5-4 20632 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA431723  Sisymbrium altissimum N. C. Cooper 1945-5-24 1661 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
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Oct 30 2011
  RSA715942  Sisymbrium irio Scott D. White, Angelia Carey 2004-4-5 10029 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA782532  Solanum O. F. Clarke 2004-6-1 s.n. Riverside Riverside; UCR Botanical Garden 340 Comment
  RSA653233  Solanum americanum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23323 Riverside Coachella Valley: along Dillon Rd. at junction with Tyler, north of I-10, E of Indio and N of Coachella [UTM 10km cell: 11S NH-7E, 3N. 5 Comment
  UCR78634  Solanum americanum Scott D. White 1992-9-11 791 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  UCR132421  Solanum douglasii A. C. Sanders 2004-2-6 27384 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR91604  Solanum parishii D. L. Banks, Steve Boyd 1995-3-15 0075 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  RSA0020582  Solanum physalifolium var. nitidibaccatum Scott D. White, Michael A. Patten 1995-8-16 3560 Riverside San Jacinto Valley. Just W of Hemet, valley floor and foothills at SE margin of Lakeview Mts. N of Florida Ave. (SR 74) and W of California Ave. 470 Comment
  HSC35353  Solanum umbelliferum A. M. Montalvo, J. D. Ackerman 1975-6-26 519 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1 mi. E of Upper San Juan Campground, Cleveland Nat'l Forest Comment
  SD255860  Solanum umbelliferum Mitch Provance 2012-5-24 512 07 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 868 Comment
  UC1608233  Solanum umbelliferum Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6741 Riverside Morgan Trail from Round Potrero West (to jct with Tenaja Trail in N-fork Bear Creek); Santa Ana Mountains, San Mateo Cyn Wilderness Area 670 Comment
  UCR234288  Solanum umbelliferum A. C. Sanders, John F. Green 2012-4-6 40017 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  SEINET238667  Solanum xanti A. C. Sanders 1998-1-15 21639 Riverside Lake Skinner area: rocky knob (2527 ft.) along dirt road toward Crown Valley northeast of Black Mountain. 762 Comment
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