Search Results — 2000 specimen records retrieved (1899 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG56410  Abies concolor Marjorie Lewis 1947-8-26 7 Riverside Dark Canyon 1981 Comment
  CAS-BOT-BC229345  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring [Springs] 60 Comment
  RSA713078  Abronia villosa Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SBBG25869  Abronia villosa E. R. Blakley 1966-4-9 6751 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  UC851647  Abronia villosa Lewis S. Rose 1940-3-13 40114 Riverside Whitewater desert 60 Comment
  UCR19768  Abronia villosa Don Emery 1980-3-28 s.n. Riverside Sonoran Desert, Riverside/Imperial Co. line on the E side of Salton Sea, vicinity of Bat Caves Buttes -30 Comment
  CSUSB1330  Abronia villosa var. aurita Jim Hearn 1971-5-19 Riverside 13 miles south of Idyllwild. Comment
  SEINET946023  Abronia villosa var. aurita G. Yatskievych, K. McCrary 1984-1 84 -118 Riverside State Route 74 at Pyramid Peak Road (to Thomas Mountain). 1463 Comment
  UCD98004  Abronia villosa var. aurita A. C. Sanders; Mitch Provance 1999-9-26 23086 Riverside San Jacinto Mountains: Lake Hemet, north shore at FS day use area. 1323 Comment
  RSA461204  Abronia villosa var. villosa M. B. Dunkle 1935-3-17 4403 Riverside Desert Center. 610 Comment
  RSA799920  Acacia dealbata Justin M. Wood, D. M. Ray 2011-4-28 3841 Riverside Sonoran Desert: Chuckwalla Valley: Kaisers Eagle Mountain Mine, northwest end of the Chuckwalla Valley. Near old mining community. 340 Comment
  LA26702  Acamptopappus sphaerocephalus William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  RSA761867  Achillea millefolium Peter Guiden, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 82 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG29382  Achnatherum hymenoides D. Myrick 1968-3-4 1807 Riverside Country Club Rd at E edge of Palm Desert 60 Comment
  RSA0019788  Achnatherum parishii subsp. parishii April Garbat, Kristin Forgrave, Naomi Fraga, Tyler Schappe 2013-5-21 70 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  UC127467  Achnatherum speciosum H. M. Hall 1905-5-10 6004 Riverside Cottonwood Pass Colorado Desert 609 Comment
  JOTR37485  Achyronychia cooperi Manson, Stacy, B. Jasinkski 2016-5-24 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains, Cottonwood Canyon, off of main park road in the Coyote borrow pit Comment
  PASA1307  Achyronychia cooperi 1926-2-21 Riverside Thousand Palms Comment
  POM122333  Achyronychia cooperi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SDSU14013  Acmispon argophyllus var. argophyllus Dinna Estrella, M. G. Simpson 2002-4-20 27 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  SEINET5327524  Acmispon argophyllus var. argophyllus I. W. Clokey, E. G. Anderson 1935-8-21 6719 Riverside E of Keen Camp P.O., by road 1350 Comment
  SD130259  Acmispon glaber Ed LaRue 1990-4-13 Riverside I(c) mi NW of town of Aguanga, N of Hwy 79 & W of Hwy 371; ca. 1I(c) mi (airline) N of San Diego Co. line. 640 Comment
  UC1922060  Acmispon glaber Scott D. White, Angelia Carey 2004-4-5 10005 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  SEINET957562  Acmispon heermannii S. Boyd 1982-1 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, at the northern end of the entreched meander of Temescal Creek at the western base of Estelle Mountains. 1080 Comment
  SDSU13586  Acmispon strigosus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA500535  Acourtia microcephala Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3625 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  CDA6752  Acroptilon repens Steve Boyd 1989-7-6 3758 Riverside South of Jurupa Road, east of intersection with Van Buren Avenue, City of Riverside. 0 Comment
  UCR97504  Adenostoma fasciculatum B. G. Pitzer 1997-3-23 2974 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  CAS-BOT-BC139862  Adenostoma sparsifolium Cecil Hart 1922-5-21 12 Riverside San Jacinto Pk. Comment
  SEINET6755846 Image available Agave Andrew C. Sanders 1984-7-17 5105 Riverside Riverside: O.F. Clarke residence at 1012 Spruce Street; TRS: 2S 4W 19 NE/4 of NE/4 305 Comment
  CAS-BOT-BC46154  Agoseris heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mts. 1371 Comment
  CAS-BOT-BC46156  Agoseris heterophylla H. M. Hall 1901-6-1 2038 Riverside San Jacinto Mountains, south side 1341 Comment
  UCR193877  Agrostis A. C. Sanders, Mitch Provance 2008-7-11 35808 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
  UCR165188  Agrostis exarata Margaret Bornyasz 2003-8-8 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., near Azalea Creek, above Twin Pines Creek Drainage 1085 Comment
  UCR87652  Agrostis exarata Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA708928  Ailanthus altissima Scott D. White, Justin M. Wood 2005-10-4 11239 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCSB37488  Alhagi maurorum Clark, Dell 1969-7-2 Riverside 2 miles west of Mecca, Coachella Valley Comment
  RSA67713  Aliciella latifolia Verne Grant, Alva Grant 1952-4-1 17519 Riverside 9 miles E of Mecca Comment
Read comments
Apr 8 2011
  SBBG1743  Allenrolfea occidentalis H. and M. Dearing 1940-11-10 5019 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC500426  Allionia incarnata A. C. Sanders; Jim Malusa 2015-3-11 41393 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, Gasline Rd at jct with rd to Observation Point Slats, US Navy Chocolate Mts Aerial Gunnery Range 723 Comment
  POM13990  Allionia incarnata P. A. Munz, D. D. Keck 1922-4-9 4896 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UC56252  Allionia incarnata H. M. Hall May 17 1901-Jun 1 1901 1872 Riverside Palm Canyon, Journey from Riverside to Santa Rosa Peak and Palomar Palm Canyon 457 Comment
  UCR148041  Allionia incarnata Steve Boyd, Et al. 2004-5-14 11227 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
  CAS-BOT-BC469000  Allium fimbriatum var. fimbriatum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway, Mt. San Jacinto Comment
  RSA367046  Allium haematochiton N. C. Cooper 1947-4-5 2041 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA574728  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Gavilan Hills region, Estelle Mountain, near summit. 823 Comment
  UC479033  Allium haematochiton Marcus E. Jones, A. M. 1931-3-2 28394 Riverside Corona Comment
  UCD138539  Allium haematochiton Geoffrey Levin 1975-4-26 480 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  SEINET4174934 Image available Allium haematochiton J. C. Roos 1950-1 4714 Riverside Ca. 3-4 mi. N of Murrieta, Riverside Co., Calif. El. 1500 ft. Comment
  SD119912  Allium lacunosum var. davisiae Louis B. Ziegler 1967-6-27 181 Riverside San Jacinto Mountains, Hemet Valley, on flat on top of Pleistocene Sedimentaries, Morris Ranch Road area. 1615 Comment
  UCR103897  Allium peninsulare B. G. Pitzer 1997-4-12 3123 Riverside Lakeview Mtns, Pulsar View Rd, c. 1/2 mi. uphill from the end of Warren Road (very short dirt road leading into hills) and c. 1 mi. (air) north of Juniper Flats Road. Approx. 1.2 mi. (airline) WSW of Mt. Rudolph (measured from BM 'Nelson'). 585 Comment
  RSA85583  Allium praecox J. C. Roos 1952-4-2 5468 Riverside Box Springs grade east of Riverside. 427 Comment
  UC1929733  Allium praecox Scott D. White, Justin Wood 2008-3-25 11772 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  POM9292  Allium praecox Philip A. Munz, R. D. Harwood 1920-3-20 3366 Riverside 5 miles S of Corona. 305 Comment
  UCR214332  Allophyllum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38371 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR263226  Allophyllum glutinosum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41465 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR65300  Allophyllum glutinosum Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3747 Riverside Peninsular Range, Vail Lake area, along road, near summit of 'Little' Oak Mtn. 628 Comment
  RSA702271  Alopecurus saccatus Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2081 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  IRVC28975  Amaranthus B. L. Phillips 1994-9-12 s.n. Riverside Riverside, UCR campus 336 Comment
  JOTR35164  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  POM48599  Amaranthus blitoides Mary F. Spencer 1919-7-9 1270 Riverside In sandy fields. San Jacinto. 305 Comment
  UCR148485  Amaranthus blitum John F. Green 2005-1-25 s.n. Riverside San Bernardino Valley, Mira Loma area, just south of the San Bernardino county line near Ontario, north of Cloverdale Rd. between Harrison Ave. and Archibald Ave. 197 Comment
  UCR21773  Amaranthus caudatus S. Day 1980-9-4 s.n. Riverside private residence in Riverside Comment
  RSA339055  Amaranthus fimbriatus R. F. Thorne, Rolf, Gertrud Dahlgren 53552 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
Read comments
Apr 25 2011
  RSA339331  Amaranthus fimbriatus R. F. Thorne, Rolf, Getrud Dahlgren 53566 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
Read comments
Apr 25 2011
  UCR58450  Amaranthus powellii George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns., Edge of Lake Hemet 1400 Comment
  UCR110377  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23116 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC45012  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  CDA9969  Ambrosia confertiflora G. C. Fleischman 1945-10-21 Riverside Highway, Beaumont / Sunnymead. 0 Comment
  CAS-BOT-BC22599  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards E of spring Comment
  CLARK-A1528-4996  Ambrosia dumosa John C. Roos 1948-4-24 3796 Riverside Whitewater Comment
  JEPS30513  Ambrosia dumosa Donald Kyhos 1958-2-15 58 -11 Riverside Corn Springs Comment
  RSA26835  Ambrosia dumosa I. L. Wiggins 1941-3-24 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA614559  Ambrosia dumosa George K. Helmkamp 1998-4-4 3148 Riverside Junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd). 457 Comment
  RSA766608  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 175 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  UC896715  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside 100 yds e Spring; Cottonwood Canyon Comment
  UCR109581  Ambrosia dumosa R. D. Goeden, Don W. Ricker 1970-5-14 s.n. Riverside Coachella Valley, Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak 274 Comment
  UCR124631  Ambrosia dumosa B. C. Templeton, I. W. Clokey 1930-4-9 1077 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR177850  Ambrosia dumosa Marisa Sripracha, K. A. Boyd 2004-2-14 036 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR228404  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 148 Riverside Colorado Desert; Little San Bernardino Mountains region, W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk) 366 Comment
  UCR103737  Ambrosia psilostachya A. C. Sanders 1997-11-20 21618 Riverside Lake Skinner Reserve area, mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  UCR141234  Ambrosia psilostachya A. C. Sanders, Mike Misenhelter 2004-10-6 28833 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  SEINET2030196 Image available Ambrosia salsola Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley 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
  RSA0067721  Ambrosia salsola var. salsola Cheryl Sevilla, Sarah J. De Groot 2015-3-18 42 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 1.1 air miles north of the Whitewater Preserve Ranger Station; on the plain west of the Whitewater River drainage. 738 Comment
  SD80050  Ambrosia salsola var. salsola Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-27 271 Riverside Below Andreas Canyon Clubhouse, Andreas Canyon 305 Comment
  UCR65292  Amelanchier utahensis Steve Boyd, K. A. Boyd, C. Boyd 1989-5-13 3592 Riverside Foothills of San Jacinto Mtns., upper Bautista Cyn, just below turnoff to Tripp Flat Ranger Station 1189 Comment
  POM12891  Amorpha californica P. A. Munz 1922-6-30 5924 Riverside Santa Rosa Mountains. 1982 Comment
  SD136851  Amorpha californica Steve Boyd, Tim Ross 1992-5-15 7403 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, major lateral drainage north of Bear Canyon, junction of the Tenaja & Morgan Trails, west of Round Potrero, along stream in understory of oak woodland in canyon bottom 669 Comment
  SD152912  Amsinckia intermedia Steve Boyd 1992-4-15 6867 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  UCR163424  Amsinckia intermedia B. G. Pitzer 1998-1-25 3423 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR183173  Amsinckia intermedia Mitch Provance 2003-5-5 4414 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM96828  Amsinckia intermedia F. M. Reed 1926-5-8 5331 Riverside Near summit of Temescal Canyon highway. Comment
  RSA0089611  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  RSA346792  Amsinckia menziesii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54066 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0089918  Amsinckia menziesii R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55446 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA562064  Amsinckia tessellata Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6919 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UCR41574  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6072 Riverside Sonoran (Colorado) Desert, Bradshaw Rd. on south side of Chuckwalla Mts, 8.2 miles west of Graham Pass Rd. Comment
  RSA0091468  Amsinckia tessellata Steve Boyd, Sara Meury, Richard Noyes, Laurel Arnseth, D. Nordin, Tim Ross 1988-3-10 2150 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  JOTR32441  Amsonia tomentosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2345 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  UC878737  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UCR281914  Amsonia tomentosa var. brevifolia A. C. Sanders, Jim Malusa 2017-9-19 43341 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 4.65 km SW (211 deg. ) of Tabaseca Tank 744 Comment
  POM115624  Amsonia tomentosa var. tomentosa A. M. Alexander, Louise Kellogg 1941-4-29 2102 Riverside Ten miles south of 29 Palms. 1159 Comment
  UCR49269  Anagallis arvensis Steve Boyd 1986-5-1 1804 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR174359  Ancistrocarphus filagineus A. C. Sanders 2006-5-19 32383 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-BC137812  Andropogon glomeratus var. scabriglumis Catherine Best 1999-2-7 1505 Riverside Growing along the creek in Andreas Canyon, near Palm Springs. Comment
  SD123833  Andropogon glomeratus var. scabriglumis Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55407 Riverside San Bernardino Mountains, along roadside at seep, about 3.2 miles north of Whitewater Post Office. 594 Comment
  POM48875  Angelica tomentosa P. A. Munz, I. M. Johnston 1924-7-26 8708 Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  JEPS29492  Anisocoma acaulis Lauramay T. Dempster 1962-4-18 1902 Riverside Palms-to-Pines Highway; Pinyon Flats 1066 Comment
  UCR21989  Anthemis cotula Steve Boyd 1980-7-12 333 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  JOTR32292  Antirrhinum coulterianum Harding, Mitzi, T. Herskovits 2011-5-12 14 Riverside Joshua Tree National Park. Little San Bernardino mountains; Southwest of Eureka Peak; Steep, gravelly slope above canyon 1398 Comment
  POM280737  Antirrhinum coulterianum Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA773107  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-6-14 1299 Riverside San Bernardino National Forest: Garner Valley, approximately 2.3 air miles south east of junction of forest service road 6S04 and forest service road 6S13. 1393 Comment
  UC1595591  Antirrhinum coulterianum Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4557 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR231814  Antirrhinum coulterianum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 11 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR275195  Antirrhinum coulterianum T. B. Salvato, Gregg Miller 2005-6-7 1449 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
  UCR7107  Antirrhinum cyathiferum Lloyd Tevis 1968-2-9 s.n. Riverside Sonoran (Colorado) Desert, S of Palm Desert, Coyote Wash at junction with Deep Canyon Wash on Deep Canyon Floodplain 274 Comment
  JEPS83316  Antirrhinum filipes David M. Thompson 1983-4-11 260 Riverside S of Morongo Valley (San Bernardino County) NE corner of the intersection of Indian Avenue and Worsley Road near Hwy. 62. Morongo Valley Quad. (15', 1955) 487 Comment
  UCR104938  Antirrhinum nuttallianum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20701 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
  UCR183015  Antirrhinum nuttallianum Mitch Provance 2003-5-5 4420 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR98688  Antirrhinum nuttallianum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA0009201  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks 1997-5-5 1966 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA674534  Apiastrum angustifolium Scott D. White, Sandy Leatherman 2000-5-31 7992 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR111968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23399 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR133656  Apocynum cannabinum 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
  CLARK-A1528-3846  Aquilegia formosa var. truncata John C. Roos 1942-6-20 1280 Riverside San Jacinto Mountains Comment
  CDA7121  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside South side of UCR campus behind botany greenhouses, Riverside. Comment
  POM48328  Arabis perennans E. C. Jaeger 1925-3-1 s.n Riverside Snow Canyon, San Jacinto Mts. Comment
  RSA78728  Arabis pulchra P. A. Munz 1952-4-15 17346 Riverside Ridge south of Pleasant Valley, Joshua Tree National Monument 1220 Comment
  CAS-BOT-BC409998  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside Idyllwild Area: N of ISOMATA along USFS Rd 5S24.1 1645 Comment
  UC1618107  Arceuthobium campylopodum Donald G. Nelson 1936-5-24 422 Riverside Hurkey Creek Camp Comment
  SEINET2117591  Arceuthobium cyanocarpum R. L. Mathiasen, C M. Daugherty 2009-8-5 09 -28 Riverside North slope of Tahquitz Peak. 0.4 km west of the jct. of the Tahquitz Peak Trail and the Tahquitz Valley Trail above the trail to Tahquitz Peak. First collection of limber pine dwarf mistletoe on sugar pine 2640 Comment
  RSA629371  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16858 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629375  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16860 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629400  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19529 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629413  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19502 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR278160  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42668 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  RSA748240  Arctostaphylos glandulosa subsp. glaucomollis T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 130 Riverside San Bernardino Nation Forest. 9.4 miles S on 243 (Palms to Pines National Scenic Byway) from US 10. Along side of road at pull-off before Diamond Zen Rd. 1298 Comment
  RSA631762  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15068 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631805  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21812 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA632647  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16522 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  POM367326  Arctostaphylos glauca var. glauca Ora M. Clark 1929-4-6 1953 Riverside South of Hemet. 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
  RSA633678  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20123 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633706  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16670 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633759  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22652 Riverside Road to Santa Rosa Mountain. 2000 Comment
  CAS-BOT-BC46600  Arctostaphylos patula E. K. Balls 1949-5-4 13483 Riverside 2 mi. w. of Fuller Creek Camp Ground, San Jacinto Mts. 1493 Comment
  RSA635594  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16764 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  CAS-BOT-BC44359  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1958-5-17 12958 Riverside Along road to Banning 6.1 miles north-west of Lake Fulmor, San Jacinto Mountains. Comment
  CAS-BOT-BC44370  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, one and one-half miles from Idyllwild on road to Banning, San Jacinto Mts. 1706 Comment
  LA42421  Arctostaphylos pringlei subsp. drupacea Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  SEINET7266493  Arctostaphylos pringlei subsp. drupacea I. W. Clokey, E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  RSA635801  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16519 Riverside Red Mountain Road, 1.8 km east of R3. 850 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
  RSA70413  Arctostaphylos pungens F. W. Peirson 1922-5-20 4465 Riverside Hemet Valley, San Jacinto Mts. 1494 Comment
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Mar 16 2007
  SBBG58398  Arctostaphylos pungens R. Hoffmann 1929-9-6 Riverside Tahquitz Pk Comment
  UC876487  Arctostaphylos pungens Munz and Johnston 1922-5-20 5491 Riverside head Hemet Valley; San Jacinto Mts. 1524 Comment
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Mar 13 2011
  UCD53750  Arctostaphylos pungens John Thomas Howell 1960-3-24 35149 Riverside Keene Camp Summit; Pines to Palms Hwy.; San Jacinto Mts. 1493 Comment
  RSA636168  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19471 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  RSA636183  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19537 Riverside West of Temecula, north-facing slopes off Carancho Rd., 2.8 km west of Via Volcano, eastern Santa Margarita Mtns. 320 Comment
  SD180716  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 397 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  SEINET9292943  Arctostaphylos viscida Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR201436  Arenaria macradenia subsp. macradenia Scott D. White, Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CAS-BOT-BC401678  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-5-22 2112 Riverside 2.8 miles s.w. of Palm Springs Comment
  CAS-BOT-BC401679  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-8-7 2178 b Riverside 13.2 miles s.e. of Idyllwild, Hemet Valley 1371 Comment
  UC665890  Aristida adscensionis Ira L. Wiggins 1941-3-27 9676 Riverside 8 mi ne Desert Center (s end of mts.); Coxcomb Mountains Comment
  UCD169369  Aristida californica A. C. Sanders; T. B. Salvato 2012-10-12 40440 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing. 114 Comment
  RSA654176  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA795925  Aristida purpurea Duncan S. Bell 2009-4-19 284 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCD56561  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside Rt. 95, 24 miles north of Blythe, banks of Colorado River. Comment
  UCR122760  Artemisia Steve Morgan 2001-10-18 s.n. Riverside San Bernardino Valley region, weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  OBI17028  Artemisia ludoviciana subsp. albula Lewis S. Rose 1966-12-14 66106 Riverside Chino Cyn, 3 mi W of Palm Springs 671 Comment
  JOTR36452  Asclepias albicans La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3422 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  UCR34991  Asclepias californica L. B. Ziegler 1967-6-27 184 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  RSA502495  Asclepias erosa Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3736 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA90117  Asclepias fascicularis E. K. Balls, P. C. Everett 1953-8-19 18538 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  RSA171941  Asclepias subulata R. F. Thorne 1963-3-29 32378 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Apr 24 2011
  UC218669  Aspidotis californica Munz and Harwood 1920-2-28 3236 Riverside 2 mi se Corona 274 Comment
  RSA690945  Aster ascendens Scott D. White 2003-10-9 9820 -A Riverside Pine Cove area. Dutch Flat. 1753 Comment
  RSA795930  Astragalus aridus Duncan S. Bell 2009-4-18 234 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  CAS-BOT-BC177514  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Spgs. and Pinto Basin Comment
  UC702806  Astragalus deanei Charles B. Fiker 1946-5-30 3492 Riverside on Highway 395 dip s Temecula River Bridge Comment
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Aug 12 2016
  LA204920  Astragalus didymocarpus var. dispermus C. B. Wolf; 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE of Edom 30 Comment
  SBBG3180  Astragalus douglasii H. and M. Dearing 1937-11-28 852 Riverside Santa Rosa Mtns Comment
  POM188069  Astragalus douglasii var. parishii L. Crutcher 1933-7-1 18 Riverside 1 mile below Camp Tahquitz Comment
  SBBG133360  Astragalus douglasii var. parishii S. D. White, J. M. Wood 2008-6-5 12079 Riverside Garner Valley, Hwy 74 at Thomas Mtn Rd, SW corner of junction, San Jacinto Mtns 1326 Comment
  UC1930031  Astragalus douglasii var. parishii Scott D. White, Justin Wood 2008-6-5 12079 Riverside San JAcinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  RSA90738  Astragalus douglasii var. parishii F. W. Peirson 1922-4-29 2955 Riverside In the wash along Temecula River, Aguanga, Riverside. 579 Comment
  RSA775106  Astragalus insularis var. harwoodii Duncan S. Bell, Michael Hee 2011-3-18 2047 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  SEINET1906293 Image available Astragalus lentiginosus var. albiflorus Sarah J. De Groot, J. Mark Porter 2006-1 5197 Riverside North foot of San Jacinto Mts, between snow Creek Road and Highway 111. 366 Comment
  POM27038  Astragalus lentiginosus var. coachellae George B. Grant 1906-4-8 6714 Riverside Palm Springs. Comment
  CAS-BOT-BC187172  Astragalus lentiginosus var. fremontii Annie M. Alexander; Louise Kellogg 1941-5-4 2112 Riverside Joshua Tree National Monument 1249 Comment
  UCSB42213  Astragalus nuttallianus Roos, John 1958-3-15 Riverside 3 miles SE of Desert Center, in the Chuckwalla Mtns. Comment
  RSA0029415  Astragalus pachypus John F. Emmel 1996-4-28 1396 Riverside Rouse Ridge, San Jacinto River drinage; along Rouse Ridge Road, 4.0 road mi SSE of Cranston Ranger Station. 878 Comment
  RSA90750  Astragalus pachypus var. jaegeri F. W. Peirson 1920-6-23 2205 Riverside Aguanga 609 Comment
  RSA90640  Astragalus palmeri F. W. Peirson 1921-3-21 4751 Riverside Gordon Trail, E slope of San Jacinto Mts. 1220 Comment
  SD181525  Astragalus pomonensis Scott D. White 1999-5-2 7284 Riverside Perris Basin, Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1I(c)-2 miles west of I-215 freeway. Occasional in sandy soil. USGS Romoland 7.5' quad. 440 Comment
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Nov 26 2012
  SEINET238670  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Menifee Valley: south of Newport Road north of Holland Road. and east of Bradley Road 2 mies due east of Ralilraod Can 460 Comment
  UCR266482  Astragalus pomonensis Mitch Provance, Eric Kline 2015-3-26 315- 47 Riverside Temecula/Murrieta Region, Murrieta/Menifee boundary, Warm Springs Creek, SE corner of Clinton Keith Rd. and Jeanette Dr. 392 Comment
  RSA4917  Astragalus sabulonum C. B. Wolf 1932-4-28 3079 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  JOTR35473  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 76 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1463 Comment
  SD138871  Astragalus tricarinatus Craig Reiser 1994-5-13 Riverside Big Morongo Canyon, Riverside Canyon; east of the Coachella Valley Comment
  LA205764  Astragalus trichopodus var. phoxus C. B. Wolf; 1931-5-11 1952 Riverside near Pipe Creek, Hemet Valley, San Jacinto Mts 1615 Comment
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Mar 9 2014
  CLARK-A1528-2298  Athysanus pusillus John C. Roos 1967-2-25 Riverside Box Springs Mountains Comment
  UCR60776  Athysanus pusillus Steve Boyd 1986-3-1 1373 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
  RSA557365  Atriplex argentea Julie Greene, James Dice 1993-6-25 1374 Riverside North side of San jacinto River levee, West of Davis Road. 433 Comment
  SEINET3930036  Atriplex argentea var. mohavensis Steve Boyd, Darin L. Banks 1994-9-29 8365 Riverside Lake Elsinore, floodplain east of dike along San Jacinto River, west of Sedco Hills community.; 0 381 Comment
  POM202640  Atriplex canescens W. M. Ingram 1934-10 4 Riverside Colorado Desert Comment
  RSA452377  Atriplex canescens S. B. Parish 1912-10-11 8256 Riverside Caleb, Salton Basin. -61 Comment
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Sep 4 2011
  RSA5458  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET3930280  Atriplex canescens var. angustifolia Stewart C. Sanderson 1993-11-22 93 -054 Riverside Milo Racket Club, Palm Springs, CA.; 0 Comment
  SEINET3931217  Atriplex coronata var. notatior D. Bramlet 1990-1 Riverside Comment
  UCR62078  Atriplex coronata var. notatior George Ruffner 1990-5-2 s.n. Riverside San Jacinto Wildlife Area, E of Davis road, vicinity of duck ponds on W edge of playa of Lake San Jacinto c. 1 mi east of the wildlife area headquarters. Comment
  RSA92585  Atriplex coronata var. notatior J. C. Roos 1952-5-14 5668 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  UCR266286  Atriplex davidsonii D. E. Bramlet 2005-7-28 3912 Riverside Perris-Aguanga Basin, area west of Hemet & Hemet-Ryan Airport, west of Warren Rd., south of Florida Ave./Hwy 74, east of San Diego Canal 457 Comment
  SEINET269089  Atriplex elegans George Helmkamp 1995-3-16 Riverside W of Rice Rd. 10.3 miles NE of Desert Center. 200 Comment
  UCR280912  Atriplex elegans Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 41 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  SBBG128636  Atriplex elegans var. elegans A. C. Sanders, J. F. Green 2012-6-25 40307 Riverside Temescal Cyn near I-15 crossing of Temescal Cyn Rd and Temescal Crk, ca. 2.6 km SE of Lee (Corona Lake); Santa Ana Mtns 361 Comment
  UC1136251  Atriplex hymenelytra H. S. Yates 1937-3-23 6449 Riverside 15 mi nne Mecca; Thermal Quad., nne of Mecca Comment
  UCR165816  Atriplex hymenelytra John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR255947  Atriplex hymenelytra Deidre Conocchioli, Duncan S. Bell 2014-3-18 262 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, 11.6 mi northeast of the Salton Sea, 1.9 mi north of the Salt Creek crainage, 0.2 mi southwest of Gucci Spring 390 Comment
  CLARK-A1528-398  Atriplex lentiformis subsp. lentiformis Charlotte Stocks 1964-8-30 Riverside Coachella Valley Comment
  CAS-BOT-BC176542  Atriplex polycarpa John Thomas Howell 1928-11-4 4086 Riverside Below Palm [Canon] Canyon on road from Indio to Palm Springs Comment
  HSC80295  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  SD146325  Atriplex serenana A. C. Sanders, Mitch Provance, and B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: Southwest side of Mt. Rubidoux, northwest of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arrq 231 Comment
  UCR49993  Atriplex suberecta 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
  UCR92217  Avena barbata D. L. Banks 1995-4-11 182 Riverside Agua Tibia Mtns. Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 780 Comment
  RSA496469  Avena fatua Steve Boyd 1989-3-19 3047 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  JEPS49635  Ayenia compacta Marjorie Clary Mar 1932 656 Riverside Canyons of Santa Rosa Mountains, SW of Coachella Valley Comment
  UCR99570  Azolla filiculoides Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1418 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  RSA664941  Baccharis brachyphylla J. C. Roos 1963-10-19 s.n. Riverside San Bernardino Mtns. Whitewater Wash near Painted Hill. 581 Comment
  UCR262331  Baccharis brachyphylla Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6037 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs Wash, c. 3 air mi west of Corn Springs, and c. 0.5 air mi south of Aztec Well 659 Comment
  RSA561510  Baccharis emoryi Steve Boyd 1992-9-9 7663 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  POM37330  Baccharis salicifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UC1871349  Baccharis salicina Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8200 Riverside Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). T6S R5W W/2 SE/4 sec. 22. E/2 NW/4 sec. 27. Elev. 2880 - 2480 ft. Comment
  UCR225725  Baccharis salicina A. C. Sanders, T. B. Salvato 2011-3-30 38902 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  IRVC508  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  POM184191  Baccharis sergiloides M. French Gilman 1932-11-30 s.n. Riverside Whitewater Point. Comment
  POM350457  Baccharis sergiloides George B. Grant 1906-05 6749 Riverside Colorado Desert, Desert Canyon Comment
  SEINET2045193 Image available Baccharis sergiloides Dave Charlton 1986-12-26 647 Riverside Coxcomb Range, at E end of Joshua Tree National Monument, northernmost W-facing large canyon in the range, just N of Specter Peak 915 Comment
  UC893736  Baccharis sergiloides Carl B. Wolf 1932-10-11 4271 Riverside Morongo Wash, 3/10 mi below San Bernardino Co line Colorado Desert, Little San Bernardino Mts. 670 Comment
  POM10252  Bahiopsis parishii Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  RSA346254  Bahiopsis parishii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54062 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCSB10341  Baileya multiradiata Yokoyama, Howard 1953-4-11 Riverside 9 miles east of Indio 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
  SBBG7791  Baileya pauciradiata H. and M. Dearing 1937-4-10 2864 Riverside ca. 16 mi N of Indio Comment
  RSA790633  Baileya pleniradiata Aaron C. Sedgwick, David Fraker 2012-4-24 3 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  POM350772  Bebbia juncea Anstruther Davidson 1906-5-3 s.n. Riverside Thermal Comment
  RSA0062664  Bebbia juncea C. J. Humphrey, Herbert Humphrey 1936-6-7 405 Riverside In foothills 18 miles East of Riverside. 548 Comment
  SEINET10925102  Bebbia juncea A. K. Evans 1976-4-13 Evans 5201 Riverside Desert canyons of Santa Rosa Mountains. Comment
  CAS-BOT-BC100128  Bebbia juncea var. aspera F. Grinnell 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CAS-BOT-BC100129  Bebbia juncea var. aspera Grant 1906-4-20 s.n. Riverside Palm Sprs. Comment
  HSC101197  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  HSC82758  Bebbia juncea var. aspera Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  UC68961  Bebbia juncea var. aspera H. M. Hall 1905-4-1 5817 Riverside 10 mo w of Coachella (Colorado Desert); Colorado Desert 152 Comment
  SEINET3862250  Beloperone californica Elizabeth Neese 1979-4-10 7070 Riverside Joshua Tree National Monument, S of Twenty-nine Palms, near Cottonwood Spring.; 0 305 Comment
  UCR17611  Berberis dictyota B. A. Carlson 1978-5-13 s.n. Riverside Santa Rosa Mtns, 5.5 mi. south of Hwy 74 on road to Toro Peak Comment
  UCR189286  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR4502  Bloomeria crocea John Dean 1965-5-26 s.n. Riverside Peninsular Range, 1.5 mi SE of Long Valley at Vail Ranch Headquarters 305 Comment
  SD1480  Boerhavia coccinea Fidella G. Woodcock 1928-4-27 Riverside Camp Grounds, Idyllwild, San Jacinto Mountains Comment
  UCR35198  Boerhavia coccinea L. B. Ziegler 1967-8-30 218 Riverside San Jacinto Valley, Vacant lots in city of San Jacinto 473 Comment
  UCR102045  Boerhavia coulteri B. G. Pitzer 1997-10-19 3350 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR272129  Boerhavia coulteri Duncan S. Bell 2015-9-30 8681 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  UCR35201  Boerhavia intermedia L. B. Ziegler 1971-10-12 431 Riverside San Jacinto Mtns, Pinyon Flats 1311 Comment
  JOTR32598  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  SEINET3142563  Boerhavia triquetra var. intermedia M. Denslow 2003-9-13 1549 Riverside Colorado Desert; Western Colorado Desert region: Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Squad) Comment
  UCR264242  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41849 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
  UCR128942  Bouteloua aristidoides Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  SD239519  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave 58, 0.35 mi. east of Jackson St. near Calhoun St. (Indio 7.5'Q) -24 Comment
  SEINET3920391  Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6490 Riverside Palen Valley, 15 miles northeast of Desert Center.; 0 183 Comment
  UCR90334  Bouteloua barbata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  UCR202613  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  SDSU17528  Brachypodium distachyon Jerry Jenkins 2001 -043 Riverside Santa Margarita Ecological Reserve. Weed in orange grove, collected with Jenkins 2001-041. UTM transfered to GIS. Comment
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Aug 11 2017
  HSC101263  Brandegea bigelovii Jim Andre 2012-3-19 21362 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  JOTR28883  Brandegea bigelovii La Doux, Tasha 2004-2-24 1118 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  OBI4118  Brandegea bigelovii Donald Myrick 1968-3-3 1796 Riverside In wash of Box Cyn E of Mecca 305 Comment
  OBI4180  Brandegea bigelovii Robert F. Hoover 1966-10-15 10170 Riverside Dead Indian Cyn Comment
  RSA259948  Brandegea bigelovii P. A. Munz 1940-3-23 15674 Riverside north end of Pinto Basin 610 Comment
  UCR130116  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR150009  Brassica geniculata Scott D. White, Angelia Carey 2004-4-16 10170 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA0036797  Brassica nigra Bruce Albert 1982-4-17 31 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  RSA559948  Brassica tournefortii Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6909 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  POM50809  Brickellia arguta E. C. Jaeger 1925-1-1 s.n. Riverside Pinon Well 1433 Comment
  CAS-BOT-BC106338  Brickellia atractyloides var. arguta B. D. Stark 1930-5-4 831 Riverside Morongo Pass Comment
  CAS-BOT-BC106339  Brickellia atractyloides var. arguta Annie M. Alexander; Louise Kellogg 1941-5-10 2145 Riverside Growing in among rocks, 3 miles northweast of Cottonwood Spring, Eagle Mountains 1036 Comment
  JOTR30924  Brickellia atractyloides var. arguta La Doux, Tasha, Bill Truesdell 2008-4-29 2599 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Open rocky slope above Johnny Lang Canyon, northwest of Lang Mine (Stop 9) 1356 Comment
  JOTR30828  Brickellia californica La Doux, Tasha, Jim Andre 2008-9-16 344 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  CAS-BOT-BC106181  Brickellia desertorum Carl B. Wolf 1931-10-14 2454 Riverside Snow Creek, 1/2 mile below Fish Hatchery, north base of San Jacinto Mts. 548 Comment
  UCR18590  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Valley, Gilman Hot Springs 459 Comment
  UCR104641  Brodiaea terrestris subsp. kernensis D. E. Bramlet 1993-5-4 2336 Riverside Peninsular Range; Gavilan Hills area, Monument Peak Valley. 762 m NW of Monument Peak and 76 m north of the E-W tending dirt road that is between Black Rocks and Monument Peak. 1.2 km SW of the 'bend' (Sec.17) area of Cajalco Rd. 488 Comment
  SEINET1906759  Bromus arizonicus A. C. Sanders, K. Rose & D. Woodard 1995-1 16221 Riverside San Gorgonia Pass/San Jacinto Mountains: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabazon. 390 Comment
  JOTR33739  Bromus berteroanus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2738 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA0014446  Bromus carinatus Justin M. Wood 2010-3-4 1417 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  RSA586336  Bromus diandrus D. L. Banks, Steve Boyd 1995-5-3 201 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. 500 Comment
  UCR262239  Bromus diandrus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3711 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR27004  Bromus grandis E. W. Lathrop 1966-5-29 6395 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCD58931  Bromus laevipes A. A. Beetle 1946-6-10 4392 Riverside San Jacinto Mt., San Jacinto Mts. Near Idylewilde. 1219 Comment
  SDSU956  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  SDSU17477  Bromus rubens Jerry Jenkins 2001-3-30 2001 -001 Riverside Santa Margarita Ecological Reserve. Roads and fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  UCR162376  Bromus rubens S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UC1930035  Bromus tectorum Scott D. White, Justin Wood 2008-5-15 12003 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  RSA559361  Bromus tectorum Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  CLARK-A1045-129  Calandrinia ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA768657  Calandrinia ciliata Justin M. Wood 2010-3-19 1431 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  UCR166160  Calandrinia ciliata 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
  UCR172199  Calandrinia ciliata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR92780  Calandrinia ciliata Scott D. White 1994-3-29 1945 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA198958  Callitriche marginata R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37562 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  SEINET3208897  Calocedrus decurrens G. Goodwin 2012-6-14 3452 Riverside San Jacinto Mountains, south of Idyllwild adjacent to highway 243 1680 Comment
  UCSB16252  Calocedrus decurrens Gates, C. 1963-5-4 Riverside In Montane Forest, Banning to Idyllwild Road, about 2 mi. S of turnoff to Black Mountain Campground, San Jacinto Mountains 2133 Comment
  RSA291568  Calochortus concolor C. W. Tilforth 1980-7-15 2079 Riverside South of Tool Box Springs Campground, Thomas Mtn. Rd., south of Lake Hemet & west of [Highway] 74. Comment
  UCR178331  Calochortus concolor T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 614 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  CAS-BOT-BC488540  Calochortus concolor H. M. Hall 1901-6-1 2103 Riverside Eastern base, along the borders of the Colorado Desert; San Jacinto Mountains, Southern California Comment
  RSA773589  Calochortus invenustus Duncan S. Bell, J. D. England 2010-6-14 1301 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1367 Comment
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May 26 2014
  UC454388  Calochortus invenustus I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2590 Comment
  RSA369046  Calochortus palmeri var. munzii N. C. Cooper 1949-6-29 4315 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC132464  Calochortus plummerae P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17281 Riverside 6.7 mi. w. along Hwy 74 from jct with road south from Idyllwild 914 Comment
  RSA619567  Calochortus splendens Darin L. Banks 1997-5-5 2005 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
  RSA692245  Calochortus splendens Scott D. White, Michael Honer 2003-5-27 9405 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
  SBBG34221  Calochortus splendens T. L. Secrest 1951-5-20 Riverside 3 mi S of Banning Comment
  UCR115941  Calochortus splendens Mitch Provance 1998-6-11 676 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 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
  UCR174061  Calochortus splendens A. C. Sanders 2006-5-19 32458 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-BC483502  Calochortus splendens T. Winfield 1975-5-8 2355 Riverside Arroyo del Toro Road, 1 mile from Highway 71 Comment
  CAS-BOT-BC283322  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside Mojave Desert. Smoke Tree Wash, ca 5 miles NE of Cottonwood Springs, Joshua Tree National Monument 853 Comment
  CAS-BOT-BC282921  Calycoseris wrightii Carl B. Wolf 1932-4-29 3107 Riverside E Colorado Desert. Blythe - Rice Rd. 9 miles S of Browns Well 243 Comment
  RSA3969  Calycoseris wrightii C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  UC68981  Calycoseris wrightii H. M. Hall 1905-4-1 5872 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench 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
  RSA0118608  Calyptridium monandrum Jim M. Andre 2015-3-6 33571 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  UCR127353  Calyptridium monandrum A. C. Sanders, D. Malueg 2003-5-8 26574 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
  UCR182999  Calyptridium monandrum Mitch Provance 2003-5-5 4423 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CLARK-A1528-7873  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  UCR21973  Calystegia macrostegia Steve Boyd 1980-5-5 199 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  SDSU12264  Calystegia macrostegia subsp. intermedia Jeremy Mass, Ryan Jacobsen 2000-4-19 10 Riverside Stone Creek streambed in shrub-covered area near water. Near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCR2851  Calystegia macrostegia subsp. longiloba Vivian Manns 1963-3-22 630322- 5 Riverside San Bernardino Valley Region, Riverside, Box Springs Mountains c. 1 mi E from end of Big Springs Road. 610 Comment
  RSA465930  Camissonia bistorta Ora M. Clark 1929-2-23 1664 Riverside near Whitewater Comment
  RSA782076  Camissonia boothii subsp. desertorum Duncan S. Bell 2009-3-9 114 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  HSC28012  Camissonia brevipes Richard Spjut 1973-4-5 3263 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  RSA443546  Camissonia brevipes subsp. brevipes J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
  CLARK-A1656-827  Camissonia californica Theo Glenn 1983-3-1 5 Riverside Palm Springs Comment
  RSA613634  Camissonia californica D. L. Banks, Victor W. Steinmann 1997-3-13 1483 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR225712  Camissonia californica A. C. Sanders 2011-3-30 38915 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR98343  Camissonia californica A. C. Sanders, G. Helmkamp 1997-3-15 19919 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  SEINET7048153  Camissonia californica Steven R. Hill 2001-5-3 33654 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  JOTR32132  Camissonia campestris subsp. campestris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2288 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  RSA454736  Camissonia cardiophylla Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  JOTR32445  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA777404  Camissonia cardiophylla subsp. cardiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 837 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
  RSA778250  Camissonia chamaenerioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 917 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR178542  Camissonia claviformis R. G. Swinney 1967-2-12 0015 Riverside Sonoran (Colorado) Desert, North Palm Springs 229 Comment
  UCR275137  Camissonia claviformis David Fraker, Aaron C. Sedgwick 2012-4-4 063 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  UCR74359  Camissonia claviformis Theo Glenn 1991-5-1 91- 49 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  RSA278492  Camissonia claviformis subsp. aurantiaca John F. Emmel 1977-3-28 554 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  SJSU10929  Camissonia claviformis subsp. aurantiaca E. V. Boro 1963-12-24 73 Riverside 5 mi Se of Desert Hot Springs 396 Comment
  RSA614393  Camissonia hirtella D. L. Banks, Victor W. Steinmann 1997-3-13 1527 B Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR214545  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37845 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  POM9607  Camissonia ignota I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  UCR20823  Camissonia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1415 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR112973  Camissonia pallida B. G. Pitzer, T. Tennant 1998-2-21 3539 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10. 427 Comment
  UCR251347  Camissonia pallida S. J. Myers 2014-5-21 1068 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA698245  Camissonia pallida subsp. hallii J. R. Bruff 1928-4-2 84 Riverside Whitewater. Comment
  UCR199837  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11283 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR249836  Camissonia strigulosa T. B. Salvato, John Lovio 2013-3-19 7356 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCD103439  Camissoniopsis bistorta A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23881 Riverside Perris-Aguanga Basin region. Temecula, along E side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  SD143801  Camissoniopsis hirtella A. C. Sanders, P. MacKay, et al. 1997-5-4 20635 Riverside San Jacinto Mountains, north side along Highway 243, 1.5 mile below Twin Pines Ranch Road. 1067 Comment
  UC130498  Camissoniopsis hirtella Mrs. C. M. Wilder 1909-7-10 954 Riverside Strawberry Canyon and Strawberry Valley San Jacinto Mts. Comment
  SDSU3373  Camissoniopsis ignota H. L. Wedberg 1958-3-30 189 Riverside Adjacent to stream bed between the northwest end of Upper San Juan Campground and Hwy 74. Comment
  UCD103588  Camissoniopsis pallida subsp. pallida Gordon Pilone 1961-3-1 102 Riverside White Water Canyon, 1/2 mile below Fish Hatchery. 457 Comment
  SEINET3507531 Image available Capsella bursa-pastoris K. S. Gill 1965-3-28 Riverside 1.2 mile north of corner of Wood and Roberts roads in Woodcrest. Comment
  UCR49459  Carduus pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mts., summit of Pigeon Pass Rd, Riverside 581 Comment
  CAS-BOT-BC18184  Carex D. E. Breedlove 1961-7-29 870 Riverside San Jacinto Mountains. Fuller Mill Creek where it crosses Riverside Highway #1. 1645 Comment
  UCR266331  Carex D. E. Bramlet 1990-6-21 2045 Riverside Peninsular Range, Vail Lake, Butterfield Campground 473 Comment
  RSA343102  Carex alma Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60634 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  SEINET6654137  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow.; 0 1433 Comment
  UC212056  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Lee Lake Temescal Canyon 335 Comment
  POM12144  Carex fracta Mary F. Spencer 1921-6-15 1686 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  CAS-BOT-BC21915  Carex heteroneura H. E. Hasse 1903-6-1 s.n. Riverside Round Valley. S. Jacinto Mountain. 2895 Comment
  SEINET10711418  Carex nebrascensis Robert F. Thorne, J. , P. Simon; C. W. Tilforth 1969-6-24 Thorne 38142 Riverside San Jacinto Mountains: San Berardino National Forest. Above James Reserve. Along small stream. Associated species-Pinus ponderosa, P. coulteri, P. lambertiana, Abies concolor, Quercus kelloggii, Calocedrus, etc. 1676 Comment
  RSA750736  Carex praegracilis Scott D. White, Justin M. Wood 2009-5-22 12901 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  CAS-BOT-BC117446  Carex senta Walter Burchard Welch 1928-5-5 s.n. Riverside Pine Cove Trail, Idyllmild. San Jacinto Mts. Comment
  CAS-BOT-BC117450  Carex senta D. E. Breedlove 1961-7-29 873 Riverside Fuller Mill Creek where it crosses Riverside Hwy #1. San Jacinto Mountains. 1645 Comment
  UC146412  Carex senta Charlotte M. Wilder 1909-7-10 916 a Riverside ridge above Round Valley San Jacinto Mountains 2895 Comment
  UCR35297  Carex senta L. B. Ziegler 1970-5-20 406 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  UCR90505  Carex subfusca F. M. Reed 1932-7-3 7288 Riverside San Jacinto Mountains, Strawberry Valley, meadow near Idyllwild School House. 1524 Comment
  SD186247  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-6 26558 Riverside Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon. 320 Comment
  RSA800117  Castela emoryi Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4766 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  UC2030127  Castilleja applegatei subsp. martinii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38086 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  SEINET7073308  Castilleja exserta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR139023  Castilleja exserta D. L. Banks 1997-4-5 1709 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UCR84601  Castilleja exserta Scott D. White, S. Ogg 1994-4-21 1950 Riverside San Bernardino Mountains, Millard Canyon, near pipeline infiltration site 4 mi south of Bear Wallow Spring 976 Comment
  RSA585519  Castilleja exserta subsp. exserta D. L. Banks, S. D. Boyd 1995-5-9 379 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  RSA0010933  Castilleja exserta subsp. exserta Diane M. Ramirez 1983-5-1 1 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  POM259615  Castilleja foliolosa P. A. Munz 1940-3-17 15598 Riverside Dripping Springs, southern Riverside Co. Comment
  RSA524401  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4096 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  CLARK-A1528-2435  Caucalis microcarpa John C. Roos 1940-4-20 Riverside Reche Canyon Comment
  RSA614163  Caulanthus D. L. Banks 1997-2-23 1314 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA248730  Caulanthus cooperi Christopher Davidson 1973-4-19 1993 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA531107  Caulanthus cooperi M. B. Dunkle 1937-3-25 4956 Riverside East of Indio, Colorado Desert. Comment
  POM246640  Caulanthus hallii E. C. Jaeger 1938-5-14 s.n. Riverside Keyes View, Joshua Tree National Monument. 1463 Comment
  RSA543766  Caulanthus hallii Steve Boyd, Timothy S. Ross, Mike Hammitt 1978-4-23 52071 Riverside Vail lake region, SW & W flanks of Billy Goat Mountains 2 mi. N Hwy 79, 1 mi W of Hwy 371, N of Aguanga. 600 Comment
  SDSU10234  Ceanothus crassifolius Leslie D. Hickson 1992-3-9 09 III92A Riverside About 2.0 miles W oof Temecula, on Rancho California Rd. Found on the SW corner of Rancho California and Via Santa Rosa, ca. 100 ft off road. 475 Comment
  CDA35557  Ceanothus cuneatus Mike Lahti 2008-5-27 PDR# 1473200 Riverside Hemet, 37166 Sage Rd., X East Benton Rd. 0 Comment
  HSC86124  Ceanothus integerrimus Dean Carpenter 1981-6-4 24 Riverside James Reserve, San Jacinto Mtns. 1646 Comment
  RSA399914  Ceanothus integerrimus E. S. Spalding 1925-6-13 s.n. Riverside Near Elsinore. Comment
  LA44898  Ceanothus oliganthus var. orcuttii W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  HSC86870  Ceanothus oliganthus var. sorediatus E. Misquez 1987-4-11 7 Riverside Santa Ana Mtns., Walker Basin; 2 miles on Avenida de Oro from jct. with Rancho California Rd., and 4.7 miles W of Interstate 15 415 Comment
  LA44926  Ceanothus oliganthus var. sorediatus W. E. Pequegnat; 1939-4-8 sn Riverside Santa Ana Mountains, Coldwater Trail 731 Comment
  NY406543  Ceanothus ophiochilus S. D. Boyd 1989-3-19 3020 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA754175  Ceanothus ophiochilus Dylan O. Burge 2009-3-19 DOB 1065 c Riverside Oak Mountain, west of Vail Lake, accessed via foot trail from Vail Lake Resort, 13.4 km 291 degrees True WNW of Aguanga. 640 Comment
  RSA601167  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  UCR16494  Ceanothus palmeri J. Hollinger 1972-5-13 720513- 6 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild Comment
  RSA0019593  Ceanothus palmeri Keith E. Hoffmaster 1937-6-6 776 Riverside San Jacinto Mountains. Comment
  RSA0022336  Ceanothus perplexans Scott D. White, Justin M. Wood 2009-5-21 12866 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  POM305802  Ceanothus spinosus Henry J. Ramsey 1937-4-2 1057 Riverside Elsinore - Capistrano. Comment
  SBBG128619  Ceanothus vestitus T. Tennant, J. Ross 1998-4-9 MOR- 1012 Riverside Morongo Indian Reservation, Wood Cyn, E of upper Potrero Cyn 1305 Comment
  UCR140877  Centaurea repens Chris E. True, Laurel Salzman 2004-7-16 s.n. Riverside San Timoteo Canyon, 3.2 miles SE of Redlands Blvd., across road from historic schoolhouse, between RR tracks and creek, NE of El Casco Lakes 579 Comment
  UCR92333  Centaurea solstitialis Scott D. White, M. Wilcox 1995-7-13 3473 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA391516  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside San Juan Canyon. 762 Comment
  UCR275231  Centromadia pungens subsp. laevis Allison D. Rudalevige 2012-5-2 001 Riverside Temecula, adjacent to Murrieta Creek, along Diaz Diaz Rd. between Winchester Rd. and Black Deer Loop 311 Comment
  RSA735990  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-26 12295 Riverside Perris Basin: I-215 freeway @ stream crossing, just W of golf course and just N of Newport Rd. 434 Comment
  UCR174039  Cerastium glomeratum A. C. Sanders 2006-5-19 32461 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
  OBI5880  Cercocarpus betuloides Carl B. Wolf 1931-5-11 1950 Riverside Above Hemet Valley, San Jacinto Mts 1695 Comment
  UCR102903  Cercocarpus betuloides Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  CAS-BOT-BC135495  Cercocarpus betuloides var. betuloides A. M. White 1974-6-4 74 -671 Riverside Indian Rd. ca. 15 mi. W. of Sun City, site 4 Comment
  UC187656  Cercocarpus betuloides var. betuloides C. R. Orcutt 1890-7-23 7 Riverside San Jacinto Mountains Comment
  UCR154449  Chaenactis artemisiifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30960 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
  OBI38347  Chaenactis carphoclinia A. C. Sanders, Pitzer, Charlton, & Kniffen, Kniffen 1986-3-3 6110 Riverside Corn Spring, Chuckwalla Mts, wash below the srping and wash and rocky slopes to the S. T6S, R16E, sec 28-projected 488 Comment
  UC1119683  Chaenactis carphoclinia var. carphoclinia H. S. Yates 1937-3-23 6443 Riverside 15 mi nne Mecca; Thermal Quad. 457 Comment
  CAS-BOT-BC276906  Chaenactis fremontii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  OBI51899  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, S side of Little San Bernardino Mts. Dillon rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 610 Comment
  RSA0039604  Chaenactis fremontii Deidre Conocchioli, Duncan S. Bell 2014-3-4 142 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  RSA678217  Chaenactis fremontii Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1084 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR204226  Chaenactis fremontii Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1084 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  UCR268784  Chaenactis fremontii Jim Andre 2015-3-2 31350 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  UCR89562  Chaenactis fremontii George K. Helmkamp 1994-3-10 42- 13 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
  POM98997  Chaenactis fremontii E. C. Jaeger 1926-3-26 s.n. Riverside Pinto Valley Comment
  UCR16877  Chaenactis glabriuscula Eric Trubschenck 1972-5-8 8 Riverside Moreno Valley, 12 miles east of Riverside, 1 mi south of intersection of Alessandro Blvd with Wilmot Street 549 Comment
  UCR84651  Chaenactis glabriuscula Scott D. White, S. Ogg 1994-4-21 1974 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCSB38653  Chaenactis glabriuscula Cowan, Clark 1978-4-24 Riverside 2.1 mi. (3.3 km.) off Ave. 66 on a dirt road, 1.3 mi. (2 km.) on Ave. 66 from Hwy. 86; Lake Cahuilla Comment
  RSA25309  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  POM184750  Chaenactis stevioides var. stevioides C. L. Hitchcock 1932-4-8 12215 Riverside 1 mile west of Cottonwood Springs. Comment
  JOTR30089  Chamaesyce albomarginata La Doux, Tasha, Alice Miller 2007-5-8 1733 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., on disturbed roadside. Common. 1385 Comment
  RSA793464  Chamaesyce albomarginata Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4370 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  RSA316541  Chamaesyce micromera Marcus E. Jones 1929-9-16 24879 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
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Apr 5 2011
  RSA433501A  Chamaesyce polycarpa M. B. Dunkle 1934-2-19 3842 Riverside San Juan Canyon. 610 Comment
  RSA637510  Chamaesyce polycarpa var. hirtella Scott D. White 1999-4-21 7247 Riverside East end of Coachella Valley: Bajada between little San Bernardino Mts. and Indio hills. 183 Comment
  POM2850  Chamaesyce serpillifolia H. M. Hall 1904-5-24 4961 Riverside Santa Ana river near Riverside. 244 Comment
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Nov 24 2016
  RSA784774  Chamaesyce setiloba Duncan S. Bell 2012-3-18 3178 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  RSA660498  Cheilanthes clevelandii A. C. Sanders, Mitch Provance 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  RSA1497  Cheilanthes newberryi J. T. Howell 1929-2-14 1231 Riverside on l. side of Temescal Canyon, 3 mi. so. of Glen Ivy Comment
  RSA495802  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2911 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA23175  Cheilanthes parryi I. L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon 3-5 miles south of Palm Springs Comment
  POM281108  Cheilanthes viscida Lyman Benson 1946-4-15 12031 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  UCR113721B  Chenopodium Mitch Provance 2000-7-30 2171 B Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  RSA192156  Chenopodium ambrosioides E. W. Lathrop 1966-5-15 6310 Riverside 3 miles SE of Murrieta on the De Luz Road. 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
  UCR281008  Chenopodium berlandieri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 24 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UC1287135  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside hills about 5 mi ne Aguanga Comment
  UCR20896  Chenopodium fremontii A. C. Sanders 1978-8-27 00281 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR126942  Chenopodium glaucum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  SEINET238516  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-16 23721 Riverside Railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  UCR33643  Chenopodium murale Faulkner 1978-3-21 344 Riverside Colorado River Valley, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR119413  Chenopodium pratericola Mitch Provance 1998-6-11 647 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR107777  Chenopodium pumilio D. L. Banks 1997-11-15 2199 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR163987  Chenopodium rubrum John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  CDA3103  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns.; Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. Comment
  RSA612035  Chilopsis linearis C. Epling 1932-11-9 s.n. Riverside Murray Canyon, Palm Springs, Calif. Comment
  SD229111  Chilopsis linearis Dick Schwenkmeyer 2013-6-11 906 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR84598  Chilopsis linearis Scott D. White, S. Ogg 1994-4-21 1965 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA1077  Chilopsis linearis subsp. arcuata J. T. Howell 1927-8-1 S.N. Riverside Mission Creek, Colorado Desert. 610 Comment
  RSA248048  Chilopsis linearis subsp. arcuata C. W. Tilforth 1973-5-30 43577 Riverside Colorado Desert: Mouth of Morongo Valley at N. end of Coachela Valley 549 Comment
  UC64371  Chilopsis linearis subsp. arcuata H. M. Hall 1896-7-7 281 Riverside Eden Comment
  UC667347  Chilopsis linearis subsp. arcuata Annie M. Alexander and Louise Kellogg 1941-5-25 2234 Riverside Box Canyon e. of Mecca; Colorado Desert, Box Canyon 243 Comment
  UCR260163  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake; north of Interstate 10, about a mile southwest of the pumping station 403 Comment
  SBBG27953  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside near fork of Painted Cyn near Mecca Comment
  UCR29817  Chorizanthe corrugata George K. Helmkamp 1983-3-24 383- 8 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  UCR59534  Chorizanthe leptoceras Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake, Sandy benches of Kolb Creek drainage, south of Hwy 79 488 Comment
  UCR205447  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts, Alvin Meadows 1467 Comment
  UCR217524  Chorizanthe leptotheca Jeff B. Galvin, Lauren Ross 2010-7-7 138 Riverside Palomar Mountains, Tule Valley, 0.1 miles north of Rogers Canyon, along Tule Peak Road 1291 Comment
  POM122120  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR216949  Chorizanthe parryi var. parryi Kim Sparks, Karyn L. Drennen, Ana Hernandez 2010-3-18 6 Riverside Perris-Aguanga Basin, French Valley, Warm Springs. ~75m NNW of La Alba Dr. 427 Comment
  UCR261450  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41449 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
  UCR211705  Chorizanthe polygonoides subsp. longispina Fred M. Roberts, Kerry M. Byrne 2006-5-4 6339 Riverside Perris-Agunaga Basin, West Hemet Hills, 3.2 km west of the west end runway at Hemet Ryan Airport and 1.3 km east-northeast of the junction of Stowe and Winchester Roads 508 Comment
  RSA500097  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross, Laural Arnseth 1989-4-2 3213 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UCR174157  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32605 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JEPS57723  Chorizanthe rigida W. L. Jepson 1927-4-12 11665 Riverside Mecca Hills Painted Canyon, Mecca Hills 76 Comment
  UC1018190  Chorizanthe rigida J. Warren 1952-4-6 Riverside Palm Springs 457 Comment
  UC284215  Chorizanthe staticoides P. A. Munz and D. D. Keck 1923-6-14 7085 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1463 Comment
  RSA314670  Chorizanthe xanti var. leucotheca Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55494 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  POM183883  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1932-10-16 12842 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  RSA5581  Chrysothamnus paniculatus C. B. Wolf 1932-10-13 4314 Riverside 0.5 mile before reaching Cottonwood Springs, Eagle Mountains, Colorado Desert 290 Comment
  UCR279518  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-27 43118 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR245232  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21321 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  RSA0118063  Chylismia cardiophylla subsp. cardiophylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7620 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UC635388  Chylismia cardiophylla subsp. cardiophylla H. L. Mason 1928-3-10 4205 Riverside Hidden Springs Coachella Mountains Comment
  CDA37653  Chylismia claviformis M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  CAS-BOT-BC160582  Chylismia claviformis subsp. aurantiaca N. Aitkenhead 1977-2-2 2185 Riverside ~1 mi. from intersection of JT Mon Rd & pipeline Comment
  CAS-BOT-BC160631  Chylismia claviformis subsp. aurantiaca F. H. Billings 1926-1-25 10 Riverside Palm Springs Comment
  JOTR37498  Chylismia claviformis subsp. aurantiaca Hodges, Stephen R., L. Ashfield 2016-1-20 627 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  RSA0059652  Cirsium occidentale Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4587 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 525 Comment
  CAS-BOT-BC286458  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside At south end of Santa Ana Mts., Santa Rosa Ranch nw. of Murieta [Murrieta] 914 Comment
  CAS-BOT-BC286459  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside South end of Santa Ana Mts. Comment
  POM98780  Cistanthe ambigua M. French Gilman 1926-2-22 s.n. Riverside Thousand Palms Canyon. Comment
  POM3017  Clarkia dudleyana H. M. Hall 1901-06 2265 Riverside In San Jacinto Mountains, canyons of the west side. 1524 Comment
  RSA699819  Clarkia epilobioides Scott D. White, Michael Honer 2003-4-4 8928 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA771878  Clarkia similis Steve Boyd 2010-5-28 12288 Riverside Elsinore Peak, northern flank of knoll south of peak, south of Main Divide Road 1037 Comment
  UCR174065  Claytonia parviflora A. C. Sanders 2006-5-19 32444 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
  RSA359868  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC1292272  Claytonia perfoliata subsp. mexicana C. L. Hitchcock and C. V. Muhlick 1964-3-17 23074 Riverside 8 mi se Corona (along road to Elsinore) Comment
  UCR25765  Claytonia perfoliata subsp. perfoliata John C. Roos 1952-4-13 5533 Riverside N slope, on north side of Box Springs Mtns 396 Comment
  RSA615150  Clematis pauciflora Scott D. White 1997-5-25 5251 A Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  SEINET188366  Coldenia palmeri C. L. Hitchcock 1940-3-29 5851 Riverside ca 12 miles east of Indio Comment
  JOTR30956  Coleogyne ramosissima La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1931 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JOTR31071  Coleogyne ramosissima La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2334 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UCR177646  Collinsia concolor S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR133441  Collinsia heterophylla Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 203 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  CLARK-A1528-3911  Colubrina californica John C. Roos 1967-11-11 Riverside Chuckwalla Mountains Comment
  OBI38803  Condalia globosa var. pubescens A. C. Sanders, et al 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mts, 9 mi S of hwy I-10 on the gasline road, 2 mi airline S of the Model Mine 579 Comment
  UCR102880  Convolvulus simulans A. C. Sanders 1997-3-26 20130 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR120655  Convolvulus simulans D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1810 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR217666  Convolvulus simulans Ana Hernandez, Rose Cook 2010-4-15 016 Riverside Perris-Aguanga Basin, Estelle, c. 265m south of Cajalco Road, c. 335m east of La Sierra Ave. intersection 426 Comment
  UCR250094  Convolvulus simulans A. C. Sanders 2014-4-18 41038 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  UCR98857  Convolvulus simulans A. C. Sanders, G. Helmkamp 1997-3-15 19998 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR37486  Conyza bonariensis Steve Boyd 1981-3-2 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  RSA575926  Conyza canadensis Steve Boyd, Darin L. Banks 1994-9-29 8366 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA653656  Conyza coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 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
  UC219572  Corallorhiza maculata P. A. Munz 1922-6-28 5865 Riverside Santa Rosa Santa Rosa Mts. (along creek) 2133 Comment
  SEINET4676266  Cordylanthus filifolius Steve Boyd, Tim Ross 1992-6-10 7644 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido,' an isolated area of low relief topping the ridge system due west of 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. Southeast side of potrero.; 0 671 Comment
  UCR124220  Cordylanthus rigidus S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  RSA511059  Cordylanthus rigidus subsp. rigidus Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  RSA716107  Corethrogyne filaginifolia var. filaginifolia M. Wall 2006-10-8 420 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  SBBG56001  Cornus nuttallii F. C. Vasek 1964-7-25 640725 -18 Riverside Dark Cyn near Wet Cyn Cmpgrd Comment
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May 19 2012
  UCR24939  Cornus nuttallii A. C. Sanders 1980-7-22 1709 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  SD186148  Coronopus didymus A. C. Sanders, E. J. Lawlor and Don Pendleton 1992-3-21 12073 Riverside Oasis Date Garden, 4.4 miles north of Mecca on Highway 111, near Ave. 59. -43 Comment
  CLARK-A1528-200  Cotula australis Susan Larisch 1963-2-20 12 Riverside Highgrove Comment
  UCR113042  Cotula australis Mitch Provance 1998-3-26 276 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Hill Park, 0.7 km west of Pyrite St. on north side of Granite Hill Dr. 305 Comment
  UCR116973  Crassula aquatica A. C. Sanders, T. B. Salvato 2001-5-3 24098 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR199918  Cressa truxillensis Scott D. White, Justin Wood 2008-4-15 11875 Riverside Perris Valley, Interstate 215, Perris, between Nuevo Rd and Scott Rd. 535 Comment
  RSA85072  Crossosoma bigelovii F. W. Peirson 1935-2-22 11402 Riverside Side canyon opening at the foot of the road from Deep Canyon to Idyllwild, north base of the Santa Rosa Mtns. 366 Comment
  SBBG51094  Crossosoma bigelovii S. L. Timbrook 1977-2-28 563 Riverside W side of Whitewater Cyn, where Pacific Crest Trail crosses Whitewater Crk 731 Comment
  JEPS52463  Croton californicus W. L. Jepson 1901-5-22 1404 Riverside Palm Canyon Mt. San Jacinto (and return to Van Deventer's ranch) Comment
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Jun 4 2016
  RSA341996  Croton californicus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54120 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  UC56923  Croton californicus H. M. Hall May 1901 1871 Riverside along borders of Colorado Desert San Jacinto Mountains (e base of mts.) Comment
  UCR117094  Croton californicus A. C. Sanders, T. B. Salvato 2001-5-16 24292 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA688911  Croton californicus var. mohavensis Scott D. White 2001-4-18 8352 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  HSC92615  Croton setiger J. J. Jimenez-Osornio 1986-11-22 14 Riverside In parking lot at UCR 301 Comment
  UCR24005  Crypsis schoenoides John C. Roos 1969-11-22 s.n. Riverside San Jacinto Valley, east of Moreno. Quail Lake at the S end of Jack Rabbit Trail. 427 Comment
  UCR260559  Cryptantha T. B. Salvato 2015-4-2 8103 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  CLARK-A1045-208  Cryptantha angustifolia George K. Helmkamp 1979-4-18 Riverside Indio Hills dry wash; ; Lost Horse Mtn. 15'Q 304 Comment
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Feb 13 2019
  JEPS67471  Cryptantha angustifolia W. I. Follett 1942-5-20 125 Riverside 25.5 mi w Desert Center (near Shaver Summit); Colorado Desert Comment
  JOTR33802  Cryptantha angustifolia La Doux, Tasha, B. Truesdell 2007-11-9 3300 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP1) 532 Comment
  RSA191743  Cryptantha angustifolia R. F. Thorne 1963-3-29 32367 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  UCR233185A  Cryptantha angustifolia Jim Andre, Glenn L. Clifton 2011-2-22 17420 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  POM98737  Cryptantha angustifolia P. A. Munz 1926-1-31 9974 Riverside Dos Palmas Spring Comment
  POM311695  Cryptantha barbigera Wm. Jeffrey 1957-4-3 145 Riverside 1 mile from mouth of Whitwater Canyon. 610 Comment
  RSA4904  Cryptantha barbigera C. B. Wolf 1932-4-27 3020 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UCR120565  Cryptantha barbigera var. fergusoniae Helen Kennedy, T. B. Salvato 2002-2-2 5447 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR157719  Cryptantha barbigera var. fergusoniae John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  LA204178  Cryptantha circumscissa var. circumscissa Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCR183022  Cryptantha corollata Mitch Provance 2005-5-27 4600 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  IRVC28515  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16139 Riverside Mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10 Coachella Valley 329 Comment
  SEINET4565900  Cryptantha dumetorum Duncan S. Bell 2010-4-2 700 Riverside Sonoran (Colorado) Desert; Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  CAS-BOT-BC218762  Cryptantha holoptera Catherine A. Toschi 1963-4-10 63 :120 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  POM368240  Cryptantha holoptera M. B. Dunkle 1933-5-6 3436 Riverside Painted Canyon Comment
  RSA0040028  Cryptantha holoptera Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR256892  Cryptantha inaequata Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  POM368271  Cryptantha intermedia F. R. Fosberg 1932-5-9 10641 Riverside Sage Comment
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Dec 10 2011
  POM368275  Cryptantha intermedia Ora M. Clark 1929-2-23 1547 Riverside Near Banning. Comment
  RSA657172  Cryptantha intermedia Bob Rogers 1984-4-21 12 Riverside collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy. 74. 915 Comment
  RSA732137  Cryptantha intermedia J. Andre 2006-4-26 8151 Riverside Joshua Tree National Park: upper Long Canyon. 1056 Comment
  RSA786076  Cryptantha intermedia C. P. Cowan 1978-4-24 1251 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  SD148208  Cryptantha intermedia A. C. Sanders 2001-5-3 24081 Riverside Hemet, southeast corner of State Street at Gibbel,at east end of Diamond Valley. 494 Comment
  UCR101789  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1322 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  SDSU21016  Cryptantha juniperensis A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of 1-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. (Lake Mathews 7.5'). Sandy benches above wash. 317 Comment
  JOTR30309  Cryptantha maritima La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1742 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  JOTR35322  Cryptantha maritima Harding, Mitzi, Mark Wheeler 2012-2-28 90 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  JEPS44382  Cryptantha micrantha Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4260 Riverside 1 mi se Toro Peak ridge; Santa Rosa Mts. 2286 Comment
  RSA27485  Cryptantha micrantha I. L. Wiggins 1941-3-24 9566 a Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  RSA340179  Cryptantha micrantha R. F. Thorne, W. A. Tilforth 1980-5-28 54188 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA781651  Cryptantha micrantha Duncan S. Bell 2009-3-8 72 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  SEINET2075873  Cryptantha micrantha G. Rink 1999-5-20 Riverside San Jacinto Mountains, Goff Flat at Morris Ranch Rd., SE of Idyllwild 1500 Comment
  RSA489621  Cryptantha micrantha var. lepida D. Charlton 1988-5-28 2118 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  UCR193489  Cryptantha micrantha var. lepida A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35608 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA543887  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  UCR48412  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA699336  Cryptantha muricata J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  POM46805  Cryptantha nevadensis Mary F. Spencer 1920-4-4 1525 Riverside Mouth of Tahquitz Canyon. 213 Comment
  UCR280921  Cryptantha nevadensis Fred M. Roberts 2016-3-5 7996 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  UC667384  Cryptantha pterocarya Annie M. Alexander and Louise Kellogg 1941-5-7 2137 Riverside Split Rock, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  JOTR34336  Cryptantha utahensis Andre, Jim 2012-4-11 20678 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
  RSA0081618  Cryptantha utahensis Jim M. Andre 2012-4-11 20823 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  SBBG28778  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5867 Riverside Cottonwood Cyn, ca. 100 yrds E of Spring Comment
  UCR198184  Cryptantha utahensis Michael Honer, L. Hulse 2004-4-2 1874 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  RSA799665  Cucurbita foetidissima LeRoy Gross, Bart O'Brien 2013-3-18 5949 Riverside High bench above the Santa Ana river, north of the river, and south of the Riverside County animal control facility, just west of Van Buren Boulevard. Near Pedley. 205 Comment
  RSA5153  Cucurbita palmata C. B. Wolf 1932-4-27 1474 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  RSA180434  Cuscuta californica E. W. Lathrop 1960-6-10 4991 Riverside Rocky meas slope of a grassland savanna plateau Comment
  UCR117340  Cuscuta californica var. californica Mitch Provance 1998-3-22 257 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR99404  Cuscuta californica var. papillosa Scott D. White 1996-8-15 4467 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  RSA617825  Cuscuta salina R. E. Riefner 1998-7-9 98 -283 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA0114881  Cylindropuntia Marc A. Baker, Michelle Cloud-Hughes 2011-12-19 17510 Riverside Corn Springs Wash, 830 m ENE of Aztec Spring, 12 km SSE of Desert Center, north side of Chuckwalla Mountains, 84 km east of Indio. 498 Comment
  LA204494  Cylindropuntia bigelovii Carl B. Wolf; 1932-10-12 4301 Riverside NW end of Pinto Basin, about 4 mi. E of El Dorado Queen Mine 914 Comment
  UCR41561  Cylindropuntia bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6148 Riverside Sonoran (Colorado) Desert, Arroyo Seco, along Bradshaw Rd., 5.2 mi west of Graham Pass Rd., south side of the Chuckwalla Mtns. 640 Comment
  RSA0083636  Cylindropuntia ganderi Lyman Benson 1955-12-6 15627 Riverside San Jacinto Mountain Range. Pines-to-Palms Highway. 1220 Comment
  RSA549282  Cyperus acuminatus Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 s.n. Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA630336  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  RSA653581  Cyperus erythrorhizos A. C. Sanders, David E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23179 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-BC114261  Cyperus esculentus Scott D. White; Steve Ogg 1994-10-17 2469 Riverside Murrieta Ck 1000 ft S of Winchester Rd. bridge (Banana Ave on USGS Murrieta quad, photorev. 1979) 310 Comment
  SBBG133574  Cyperus niger S. D. White, A. Carey, L. Archa 2004-8-5 10680 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  UCR60752  Cyperus odoratus Bill Wagner 1989-11-28 s.n. Riverside Peninsular Range, c. 1 mi west of Santa Margarita River, 3-4 mi south of Temecula. Comment
  CAS-BOT-BC114017  Cyperus rotundus Frederick Morris Reed 1905-11-12 842 Riverside Raviria Ranch, Blaine Street. Comment
  SEINET238535  Cyperus rotundus T. B. Salvato, A. C. Sanders 2000-4-27 64 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR115345  Cyrtomium falcatum A. C. Sanders, Steve Boyd 2000-11-30 23727 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  POM9800  Cystopteris fragilis E. C. Jaeger 1921-6-15 274 Riverside San Jacinto Mountains: below Round Valley. Comment
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Nov 19 2011
  RSA404180  Dalea mollis N. C. Cooper 1949-4-8 3237 Riverside Mecca Pass east of Indio. 548 Comment
  UCR166859  Dalea mollissima Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA564026  Datisca glomerata M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Along Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
  UCR194227  Datisca glomerata Scott D. White, Angelia Carey 2004-6-4 10477 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR92140  Datisca glomerata D. L. Banks, Steve Boyd 1995-5-3 0202 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SBBG6578  Datura discolor H. and M. Dearing 1942-4-6 4866 Riverside 25 mi N of Blythe Comment
  SD123745  Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Residence of Ol. F. Clarke, 1012 Spruce St. 305 Comment
  UCSB41771  Datura wrightii Ley, George 1971-4-8 Riverside 1/2 mi into S. Palm Canyon, Palm Springs, past Indian Wells turn off, on outer edges of golf course by roadside. 213 Comment
  POM123015  Daucus pusillus Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  UCR135825  Daucus pusillus A. C. Sanders 2004-4-20 27520 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
  UCR214570  Daucus pusillus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37851 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  CAS-BOT-BC293818  Deinandra fasciculata H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  CAS-BOT-BC293819  Deinandra fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside 360 Comment
  UC310836  Deinandra kelloggii Philip A. Munz 1925-1 9849 Riverside Aguanga Comment
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May 30 2011
  SD232185  Deinandra mohavensis V. Soza, Steve Boyd and Neil Gilbert 2000-12-6 1063 b Riverside Peninsular Ranges, San Jaginto Mountains region: Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1310 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
  CAS-BOT-BC131034  Deinandra paniculata James I. McMurphy 1916-8-13 s.n. Riverside Riverside Comment
  CAS-BOT-BC523916  Deinandra paniculata R. E. Riefner, Jr. 2014-8-27 14 -304 Riverside City of Riverside, Moreno Valley,Box Springs Blvd., at Sycamore Canyon Blvd., W of 215-Freeway 483 Comment
  SBBG118794  Deinandra paniculata S. D. White 1999-10-7 7625 Riverside Menifee/Sun City area: S of McColl Ave and E of I-215 freeway; T5S R3W S27 440 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
  UCSB2018  Delphinium parishii subsp. parishii Hawkins, L. 1956-4-14 Riverside on high side above White Water Canyon Comment
  LA207619  Delphinium parishii subsp. subglobosum Carl Epling; Mrs. Epling 1937-6-7 sn Riverside 1 mi. above Pine Flat Comment
  LA207623  Delphinium parishii subsp. subglobosum Carl Epling; 1937-5-7 sn Riverside 1 mi. above Pinon Flats, Palms to Pines Hwy Comment
  CLARK-A1528-3866  Delphinium parryi John C. Roos 1952-5-7 5614 Riverside Box Springs Mountains Comment
  RSA543781  Delphinium parryi Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6038 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA69412  Delphinium parryi F. W. Peirson 1922-5-18 3051 Riverside Lake Elsinore, Riverside Co. Comment
  UC702865  Delphinium parryi Charles B. Fiker 1946-5-30 3494 Riverside dip s Temecula River bridge on Hwy 395 Comment
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Aug 12 2016
  CAS-BOT-BC121426  Delphinium parryi subsp. parryi John Thomas Howell 1930-5-10 4795 Riverside At top of St. John's Grade Comment
  RSA772863  Dendromecon rigida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4815 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
  UCR35067  Dendromecon rigida L. B. Ziegler 1968-3-27 269 Riverside San Jacinto Mountains, upper Poppet Flats Rd., on Dry Mountain ridge 976 Comment
  CAS-BOT-BC198170  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside Menifee Valley Comment
  SD140226  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet; along south side of Devonshire ave, between Old Warren and Warren roads; southwest of Tres Cerritos and north of Florida ave (highway 74) 459 Comment
  RSA777344  Descurainia pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4708 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65120 604 Comment
  UC856042  Descurainia pinnata I. W. Clokey 1935-4-17 6650 Riverside Cottonwood Springs Comment
  UCR264651  Descurainia pinnata Mitch Provance 2013-4-8 413- 07 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  JOTR01031  Descurainia pinnata subsp. ochroleuca Cole, James E. 1941-4-15 599 Riverside Joshua Tree National Park. 1 MILE ABOVE PINON WELL 1493 Comment
  UC1931090  Descurainia sophia Scott D. White, Justin Wood 2008-6-19 12272 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA367465  Dichelostemma capitatum subsp. capitatum D. A. Young 1969-3-21 P 359 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  RSA367461  Dichelostemma capitatum subsp. capitatum H. Twining 1890-04 s.n. Riverside [No locality information provided] Comment
  CAS-BOT-BC292178  Dicoria canescens J. Von Loh 1977-10-30 2601 Riverside Margin of Ford Dry Lake Comment
  CAS-BOT-BC292198  Dicoria canescens L. R. Abrams 1941-10-30 14315 Riverside Indian Crk. Palm Springs Comment
  CAS-BOT-BC292199  Dicoria canescens M. E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
  CDA4515  Dicoria canescens L. C. Cordill 1962-11-2 Riverside Northwest corner of Sunrise Way & McCallum Way, Palm Springs. 0 Comment
  CLARK-A1528-1796  Dicoria canescens John C. Roos 1957-11-30 6659 Riverside Coachella Valley 152 Comment
  OBI26028  Dicoria canescens David J. Keil 1977-1-2 11935 Riverside W of Blythe along I-10 Comment
  RSA151135  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside Whitewater Wash along Snow Creek road near State Hwy 111. 351 Comment
  RSA707354  Dicoria canescens Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 05 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  SBBG60676  Dieteria canescens S. W. Hutchinson -Mar-1928 207 Riverside near Blythe Comment
  CDA1969  Digitaria sanguinalis Steve Boyd 1989-7-9 3768 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  CDA4510  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank Comment
  CAS-BOT-BC152910  Diplacus brevipes H. M. Hall 1901-6-1 2058 Riverside San Jacinto Mountains 1524 Comment
  RSA0019284  Diplacus brevipes N. C. Cooper 1944-6-17 1424 -A Riverside San Jacinto Mtns. above Banning. 1220 Comment
  SEINET14595866  Diplacus brevipes Sharon K. DuBoise 1987-1 Riverside San Jacinto Mountains, 1 mile up Bee Canyon off of Highway 74, Banning 15 minute quadrangle 457 Comment
  CAS-BOT-BC153095  Diplacus fremontii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA0019296  Diplacus puniceus Steve D. Boyd, Aydee Virgen 2004-4-13 10850 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA651790  Distichlis spicata var. stricta D. H. Wilken 1966-3-26 794 Riverside Hidden Palms Oasis in the Indio Hills. Comment
  RSA781655  Ditaxis claryana Duncan S. Bell 2009-3-8 76 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  POM87126  Ditaxis lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  RSA70429  Ditaxis lanceolata F. W. Peirson 1914-04 2042 Riverside Whitewater, Nw corner of Colorado Desert, River Co. Comment
  RSA676115  Ditaxis neomexicana Scott D. White 2001-5-4 8447 Riverside Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio. 61 Comment
  RSA708275  Ditaxis neomexicana Scott D. White, Brian Leatherman 2005-5-4 11012 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  SEINET1109560  Ditaxis neomexicana George K. Helmkamp 1998-1 3180 Riverside Sonoran (Colorado) Desert: 2.3 mi. N of Hwy I-10 on nEagle Mtn Rd. 274 Comment
  JEPS52437  Ditaxis serrata W. L. Jepson 1928-4-25 12630 Riverside Pinto Basin, S Mohave Desert 822 Comment
  UCR178551  Ditaxis serrata R. G. Swinney 1967-3-12 079 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, north side, south of Desert Center 366 Comment
  UCR248428  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  RSA23216  Dithyrea californica Ernest Braunton 1940-01 s.n. Riverside 15 miles E of Indio. Comment
  RSA342000  Dithyrea californica R. F. Thorne 1980-4-16 54116 Riverside Along Whitewater River, E of bridge and levee Comment
  RSA530738  Dithyrea californica Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  RSA530749  Dithyrea californica Robert L. Dressler 1949-3-19 420 Riverside 5 miles NE of Desert Center. Comment
  RSA660045  Dithyrea californica Carol Zuck 1981-2-15 19 Riverside 1.3 miles south on Bob Hope Dr. from the junction at Country Club Dr. Comment
  UCD77605  Dithyrea californica Robert E. Preston 1997-11-11 1065 Riverside East edge of Palo Verde Mesa 99 Comment
  UCR50296  Dithyrea californica B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 s.n. Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  RSA500531  Dodecahema leptoceras Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3619 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  CLARK-A1528-1317  Dodecatheon clevelandii John C. Roos 1946-12-28 3195 Riverside Reche Canyon 0 Comment
  JEPS89089  Dodecatheon clevelandii subsp. clevelandii Rimo Bacigalupi and L. Heckard 1962-3-25 8389 Riverside about 5 mi se Corona (just n of Bedford Canyon, eastern base of the Santa Ana Mountains); eastern base of Santa Ana Mountains, n Bedford Canyon 304 Comment
  RSA508242  Downingia cuspidata R. F. Thorne 1974-5-23 44682 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  POM17941  Dryopteris arguta P. A. Munz 1923-6-14 7112 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  SD143941  Dudleya lanceolata Scott D. White 1997-5-25 5248 A Riverside Bautista Canyon: Hixon Trail between trailhead at Bautista Canyon Road and intermittent stream crossing. 790 Comment
  CLARK-A1528-1173  Dudleya saxosa subsp. aloides Sally Bell 1964-5-3 Riverside 761 Comment
  RSA249461  Dudleya saxosa subsp. aloides John F. Emmel 1973-5-12 451 Riverside Dos Palmas Spring & Carrizo Creek wash, NE of Pinyon Crest, E end of San Jacinto Mts. 1067 Comment
  RSA771357  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4450 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD60403  Dudleya saxosa subsp. aloides D. W. Kyhoe Jun 1960 Riverside Bed of San Gorgonio River, 2.0 miles north of Banning. Comment
  UCR116513  Dudleya saxosa subsp. aloides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20695 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
  RSA94385  Dyssodia porophylloides F. W. Peirson 1919-4-14 1411 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  SEINET8060926 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 13 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north. Directly under power lines, near base of tower. West of the hill 900 Comment
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Jun 5 2016
  UCSB4263  Echinocereus engelmannii Gray, Caroline 1956-4-14 Riverside In White Water Canyon; near White Water Comment
  RSA0078225  Echinochloa colona Sarah J. De Groot, Amy Rouillard 2015-9-15 7563 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR92355  Echinochloa colona Scott D. White, S. Ogg 1994-10-17 2472 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  SBBG129040  Echinochloa crus-galli D. Duguma 2013-7-7 Riverside Prado wetlands near Corona 155 Comment
  UCR120306  Echinodorus berteroi Mitch Provance 1997-7-3 1104 Riverside City of Riverside, N side Riverside Community College, just east of Magnolia Ave. 244 Comment
  POM119234  Echinodorus cordifolius S. B. Parish 1891-11-3 2246 Riverside Elsinore Lake. Comment
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Aug 8 2010
  UCR23770  Eclipta prostrata John C. Roos 1948-10-23 3524 Riverside Riverside, Evans Lake, Fairmont Park 274 Comment
  RSA234015  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 39740 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  UC1754  Eleocharis acicularis H. M. Hall Jul 1 1901-Aug 1 1901 2495 Riverside Lake Surprise San Jacinto Mountains (shores) 2499 Comment
  UC1930097  Eleocharis macrostachya Scott D. White, Justin Wood 2008-6-5 12087 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  SDSU19222  Eleocharis parishii Kristen Hasenstab, Dave Bailey 2008-8-7 183 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 1m from the edge of the river. 215 Comment
  RSA179522  Eleocharis radicans E. W. Lathrop 1960-6-14 5010 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC418621  Eleusine indica R. E. Riefner, Jr. 2013-10-29 13 225 a Riverside La Sierra, along La Sierra Ave. at Sierra Tree St. 243 Comment
  CDA19961  Eleusine indica J. Chandler 2002-9-4 PDR P 168849 Riverside Southwestern California; Growing around faucet used to wash Road Dept vehicles on Washington St, Riverside. 0 Comment
  RSA0050592  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  CAS-BOT-BC227734  Elymus elymoides H. M. Hall 1901-8-1 2601 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2529 Comment
  SD28117  Elymus glaucus subsp. glaucus Carl B. Wolf 1932-8-5 3942 Riverside San Jacinto Mountains, along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  RSA599100  Elymus glaucus subsp. jepsonii V. W. Steinmann, D. L. Banks 1996-4-20 843 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UCR2370  Elymus triticoides H. S. Fawcett 1913-12-24 1108 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  POM13111  Emmenanthe penduliflora P. A. Munz, I. M. Johnston 1922-5-19 5343 Riverside 8 miles NE of Murietta. 412 Comment
  RSA180275  Emmenanthe penduliflora E. W. Lathrop 1965-5-18 5750 Riverside 8 miles W of Murrieta. 610 Comment
  RSA787984  Emmenanthe penduliflora L. M. Prince, Duncan S. Bell 2009-5-17 568 Riverside Cleveland National Forest. Roadside. Comment
  SEINET156521  Emmenanthe penduliflora Norman C. Cooper 1944-5-21 1269 Riverside San Jacinto Mtns. West side. 1067 Comment
  UC2015541  Emmenanthe penduliflora A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16155 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCSB5259  Emmenanthe penduliflora Koran, Jr., John 1958-5-18 Riverside 8.4 miles S. of Hemet Lake on Hwy. 74 Comment
  RSA757796  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4291 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
  SBBG29830  Emmenanthe penduliflora var. penduliflora E. Braunton -Mar-1940 2033 Riverside Berdoo Cyn Comment
  RSA33587  Encelia actoni Norman C. Cooper 1944-5-21 1226 Riverside Hemet. 549 Comment
  SD186078  Encelia actoni A. C. Sanders, Mike Misenhelter 2005-6-15 30995 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest 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
  UCR260844  Encelia actoni A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41509 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  CAS-BOT-BC131322  Encelia farinosa John Thomas Howell 1928-3-11 3425 Riverside Floor of Morongo [Canon] Canyon, n. Colorado Desert 609 Comment
  HSC5481  Encelia farinosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23077 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  JOTR31866  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  SJSU1904  Encelia farinosa J. W. Tilden 1957-4-18 1099 Riverside near Whitewater E of San Gorgonio Pass Comment
  UC217945  Encelia farinosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4890 Riverside near Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR260965  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside Sonoran (Colorado) Desert, the Mecca Hills, beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected 23 Comment
  UCR37792  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  POM356686  Encelia farinosa var. farinosa B. C. Templeton 1930-4-9 1001 Riverside North of Palm Springs. Colorado desert 400 Comment
  POM356693  Encelia farinosa var. farinosa Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  POM4936  Encelia farinosa var. farinosa I. M. Johnston 1917-6-5 1937 Riverside Hills south of Arlington 366 Comment
  RSA48418  Encelia farinosa var. farinosa E. K. Balls 1949-4-2 12903 Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  JOTR35994  Encelia frutescens Harding, Mitzi, Mark Wheeler 2012-9-4 205 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  RSA792933  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 123 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  RSA688915  Encelia frutescens var. frutescens Scott D. White 2001-4-18 8363 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  JOTR34056  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  JOTR16665  Ephedra californica Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. STIRRUP TANK 1097 Comment
  JOTR32656  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  PASA1843  Ephedra californica R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  SBBG51413  Ephedra viridis W. Zabriskie 1974-3-27 161 Riverside S of jct with North Cyn, Andreas Cyn Comment
  UCSB9241  Ephedra viridis Krogen, Roger 1957-1 Riverside 7 mi. W of junction of Hwy 60-70 in Box Canyon wash Comment
  CSUSB1325  Epilobium adenocaulon var. adenocaulon Ed Francisco 1972-6-26 Riverside San Jacinto Mountains At Dark Canyon in the San Jacinto Mountains. Comment
  JEPS44033  Epilobium canum subsp. latifolium W. L. Jepson 1903-8-9 2325 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA0125180  Epilobium ciliatum Duncan S. Bell 2016-10-27 10206 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  SEINET7067557 Image available Epilobium ciliatum A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  RSA381727  Epipactis gigantea N. C. Cooper 1944-4-8 s.n. Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UCR213859  Epipactis gigantea Scott D. White, Justin M. Wood 2009-5-22 12928 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  IRVC1251  Equisetum laevigatum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 259 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  JEPS60134  Equisetum laevigatum Carl V. Meyer 1928-7-30 593 Riverside Saunder's Meadow; San Jacinto Mts. Comment
  JEPS74001  Eragrostis cilianensis S. B. Parish 1913-2-7 8440 Riverside Salton Sink Mecca; , Mecca 60 Comment
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Jul 7 2010
  UCR93101  Eragrostis cilianensis F. M. Reed 1933-9-11 8065 Riverside Riverside 244 Comment
  UCR2390  Eragrostis pectinacea var. pectinacea F. M. Reed 1907-9-10 1908 Riverside City of Riverside. Little Arroyo on Bluffs Ranch. [Bluffs Ranch was located along Arroyo Tesquesquite at Chicago Ave.] 293 Comment
  JOTR31898  Eremalche rotundifolia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2147 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  RSA0107384  Eremalche rotundifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 766 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA432712  Eremalche rotundifolia Christopher Davidson 1979-4-4 7721 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA776144  Eremalche rotundifolia Duncan S. Bell, Amanda Turek 2010-4-10 839 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR148332  Eremalche rotundifolia John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR148481  Eremalche rotundifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA544320  Eremocarpus setiger Steve Boyd 1991-9-8 6428 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  RSA506437  Eremogone ferrisiae Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains. Garner Valley, Hwy 74, across from Kenworthy Forest Station. Comment
  GMDRC9377  Eremothera chamaenerioides J. M. Andre 2017-3-4 37180 Riverside Big Maria Mountains: along west side of US Hwy 95 30.5 mi. south of Vida Jct, at road to Blythe itaglios (ancient geoglyphs) 95 Comment
  JOTR36441  Eremothera refracta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3412 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UC1971363  Eremothera refracta W. Wisura 1998-3-28 5115 Riverside 3.3 mi W of Corn Spring S of I-10. Comment
  SDSU3044  Eriastrum densifolium Wende E. Rehlaender 1983-5-28 111 Riverside Santa Rosa Mountains; next to Hwy 74, about 12 miles along road from Palm Desert; 1/2 mile W of Deep Canyon, 3 miles NW of Sheep Mountain. Comment
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Jan 24 2013
  UC449746  Eriastrum densifolium subsp. austromontanum F. M. Reed 1908-7-14 2459 Riverside Tahquitz Mt. San Jacinto Mts. 2529 Comment
  UCR126206  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, c. 500 m south of terminal loop of campground road, along east bank of creek 488 Comment
  CAS-BOT-BC514455  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11039 Riverside Palm Springs Comment
  UCD118281  Eriastrum filifolium K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  CAS-BOT-BC187938  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 miles S of Rice on Blythe Road 213 Comment
  RSA0116747  Eriastrum harwoodii Duncan S. Bell 2010-5-1 905 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  CAS-BOT-BC514515  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 mi S of Rice on Blythe Rd 213 Comment
  SBBG34230  Eriastrum sapphirinum T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR104189  Eriastrum sapphirinum Scott D. White 1997-5-25 5231 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR174561  Eriastrum sapphirinum Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCSB12338  Ericameria cooperi Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon, Colorado Desert Comment
  UC1118700  Ericameria cooperi var. cooperi R. St. John and A. E. Wieslander 1929-1-25 6 Riverside mouth of Bautista Creek San Jacinto Quadrangle, Bautista Creek (near Plot 8) Comment
  CDA37835  Ericameria linearifolia Mike Lahti 2012-5-1 PDR# 1590362 Riverside Ramsey Road, one mile east of Terwilliger Road, six miles south of Anza. 0 Comment
  LA202466  Ericameria linearifolia Martha Hilend Kinsey; 1935-3-31 sn Riverside Mission Canyon Comment
  CAS-BOT-BC298872  Ericameria nauseosa var. bernardina Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts 2438 Comment
  SBBG133568  Ericameria palmeri var. pachylepis S. D. White, A. Carey, L. Archa 2004-8-5 10666 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  UC415762  Ericameria palmeri var. pachylepis E. C. Jaeger 1921-11-15 Riverside Morongo Pass Comment
  UCR140740  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  UC1929886  Ericameria paniculata Scott D. White, Michael Honer 2003-5-13 9250 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  UC583285  Ericameria paniculata Lewis S. Rose 1935-12-21 35677 Riverside 3 mi se Palm Springs Station; Colorado Desert, Whitewater Wash 304 Comment
  RSA741266  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UC64798  Ericameria parishii var. parishii E. A. Zumbro 1904-1-1 436 Riverside Cold Water Canyon Santa Ana Mts, Cold Water Canyon Comment
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Jan 11 2007
  JEPS3946  Erigeron breweri var. jacinteus H. M. Hall Jun 1 1901-Jul 1 1901 2322 Riverside rocky ridges and peaks near Tauquitz; San Jacinto Mountains; near Tauquitz, San Jacinto Mts. 2690 Comment
  RSA212927  Erigeron divergens L. B. Ziegler 1969-5-26 s.n. Riverside Low hillsides at edges of meadows in Hemet Valley, San Jacinto Mts. 1387 Comment
  UC63357  Erigeron divergens F. Gilman 1902-1 25 Riverside Palm Springs Comment
  UCR122520  Erigeron divergens George K. Helmkamp, E. A. Helmkamp 2001-5-20 6687 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  RSA717587  Erigeron foliosus A. C. Sanders 2004-5-12 27880 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR220150  Erigeron foliosus D. E. Bramlet 1989-5-15 1858 Riverside Peninsular Range, North Domenigoni Hills, near top of knoll 2184, 5600 ft. north of Newport Road and 9200 ft. east of the MWD canal 622 Comment
  UCSB49611  Erigeron foliosus Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 1996 Comment
  UC217913  Erigeron foliosus var. foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley 1371 Comment
  CAS-BOT-BC296246  Erigeron foliosus var. foliosus Peter H. Raven 1958-5-17 12935 Riverside 3.4 miles southeast of Banning on road to Idyllwild, San Jacinto Mountains Comment
  UCD65739  Eriochloa contracta Edward G. Wegenek 1970-8-24 Riverside Southeastern part, collected in the Blythe area. Comment
  CAS-BOT-BC189081  Eriodictyon crassifolium A. C. Sanders; G. Helmkamp 1997-3-15 19987 Riverside Lake Skinner, SE foot of Bachelor Mountain, just N of the lake 600 Comment
  RSA33508  Eriodictyon crassifolium N. C. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 305 Comment
  CAS-BOT-BC189126  Eriodictyon crassifolium var. crassifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  SD80106  Eriodictyon crassifolium var. nigrescens Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, north slope Santa Rosa Mountains. 1317 Comment
  JEPS57095  Eriogonum apiculatum W. L. Jepson 1903-8-8 2302 Riverside Tauquitz Valley San Jacinto Mt., Tauquitz Valley 2438 Comment
  SBBG61844  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside trail to Tahquitz Pk 2438 Comment
  SEINET4560254  Eriogonum apiculatum Louis Wheeler 1945-1 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCR94612  Eriogonum cithariforme var. agninum G. R. Ballmer, Kay Stockwell 1995-6-24 s.n. Riverside San Jacinto Mountains, along trail from Morris Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
  CAS-BOT-BC242785  Eriogonum davidsonii James L. Reveal; Caroline G. Reveal 1972-8-9 2852 Riverside San Jacinto Mountains, along California Highway 74 at the turnoff to Idyllwild Mile-Hi Trap Club, about 1 mile west of the junction with Highway 243 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
  JOTR32452  Eriogonum davidsonii Herskovits, Tasya 2011-9-28 2 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  POM249977  Eriogonum davidsonii E. C. Jaeger 1939-8-9 s.n. Riverside Tin Mine Canyon. Comment
  UCR114119  Eriogonum deflexum B. G. Pitzer, J. Ross 1998-3-8 3615 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA588819  Eriogonum elongatum var. elongatum D. L. Banks, S. D. Boyd 1995-10-17 772 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA769520  Eriogonum fasciculatum Duncan S. Bell, Lucilla Reccia 2010-5-5 969 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.3 air mile southeast of junction of Highway 74 and forest service road 5S15. 758 Comment
  SBBG62044  Eriogonum fasciculatum var. fasciculatum R. Hoffmann 1929-9-9 Riverside Temecula Grade Comment
  POM2247  Eriogonum fasciculatum var. foliolosum I. M. Johnston 1918-5-30 s.n. Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UC1032054  Eriogonum fasciculatum var. foliolosum A. Lewis May 1934 435 Riverside Los Pinos Peak Cleveland National Forest, Elsinore Quadrangle, Los Pinos Pe Comment
  POM158443  Eriogonum fasciculatum var. polifolium P. A. Munz 1927-5-21 10880 Riverside 10 miles SW of Coahiula. 1372 Comment
  RSA6100  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UC1366081  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie 1969-4-27 204 Riverside near Palm Springs; Andreas Canyon 365 Comment
  UC849408  Eriogonum fasciculatum var. polifolium C. L. Hitchcock 1940-3-30 5874 Riverside Cottonwood Spring Comment
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Oct 9 2010
  UCSB1525  Eriogonum fasciculatum var. polifolium Ullman, Sydney 1956-4-14 Riverside Town of Whitewater Comment
  SEINET7048185  Eriogonum fasciculatum var. polifolium Steven R. Hill 2001-5-3 33693 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA239200  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-9 2856 Riverside Along California Highway 243, 4 miles north of the road junction with Highway 74, 0.5 mile south of the center of Idyllwild Comment
  RSA602690  Eriogonum gracile var. gracile Louis C. Wheeler 1933-12-1 2282 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA700094  Eriogonum gracile var. gracile Virginia Moran 2003-7-17 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center fot Natural Lands Management. Two sections that comprise mitigation bank. (Section 27 and 33, of Sage and Cahuilla 7.5 Quadrangle). Accessed from Wilson Valley Road. Comment
  RSA670613  Eriogonum inflatum Bonnie C. Templeton 1930-3-22 1644 Riverside Palm Springs. 400 Comment
  UCR20696  Eriogonum inflatum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1323 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SBBG132  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  RSA487230  Eriogonum molestum James L. Reveal, C. Rose Broome 1987-6-27 6605 Riverside San Jacinto Mountains, along California Highway 243, 0.4 mile northwest of Lake Fulmor, about 13.8 miles northwest of Idyllwild. 1601 Comment
  UCD100480  Eriogonum nidularium G. L. Webster; R. Hildreth 1966-12-9 7453 Riverside Joshua Tree National Monument, at Split Rock. 1310 Comment
  JOTR35311  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. large wash about 1 mile SW of Eureka Peak. 1380 Comment
  JOTR35315  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  POM294037  Eriogonum pusillum Lyman Benson 1945-3-29 11622 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  SBBG28097  Eriogonum pusillum D. Myrick 1964-4-30 819 Riverside Palms to Pines Hwy (St Hwy 74), 14 mi W of Palm Desert 1219 Comment
  CAS-BOT-BC253016  Eriogonum reniforme Annie M. Alexander; Louise Kellogg 1941-5-15 2178 Riverside North base of Eagle Mountains, Colorado Desert 914 Comment
  CAS-BOT-BC263511  Eriogonum thomasii R. Bacigalupi No date on label. 107 Riverside Eagle Canyon Comment
  JOTR35219  Eriogonum thomasii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3643 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  POM259741  Eriogonum thomasii E. C. Jaeger 1939-12-28 s.n. Riverside Burro Canon, 5 miles east of Thousand Palms. 183 Comment
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Apr 3 2011
  RSA0020370  Eriogonum thomasii Duncan S. Bell 2012-3-4 3129 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA793413  Eriogonum thomasii Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3950 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  CAS-BOT-BC262868  Eriogonum thurberi James L. Reveal; C. Rose Broome 1987-6-27 6600 Riverside San Gorgonio Pass, along Esperanza Avenue at Almond Street south of Cabazon above the northern bank of the San Gorgonio River 541 Comment
  CAS-BOT-BC262869  Eriogonum thurberi Peter H. Raven; Sidney R. Snow 1956-6-30 9542 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  UC1563138  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
  SD38957  Eriogonum trichopes Edith A. Purer 1935-4-21 6460 Riverside Desert floor, near Palm Springs Comment
  UCR63890  Eriogonum viridescens B. G. Pitzer 1989-4-16 1295 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  RSA420618  Eriogonum wrightii var. membranaceum Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  RSA520083  Eriogonum wrightii var. membranaceum Steve Boyd, Dave Bramlet 1988-10-8 2866 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  POM184163  Eriogonum wrightii var. nodosum M. French Gilman 1932-11-30 11 Riverside Whitewater Point. Comment
  SBBG28182  Eriogonum wrightii var. nodosum M. F. Gilman 1932-11-30 11 Riverside Whitewater Pt Comment
  CDA21219  Erioneuron pulchellum G. F. Hrusa, J. A. Hart 1993-4-4 10595 Riverside Cholla Garden, Joshua Tree N.M. Comment
  UC126860  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside near Palm Springs; Colorado Desert 150 Comment
  UCR3445  Eriophyllum ambiguum var. paleaceum John Minnich 1964-3-25 64-3-25 8 Riverside Sonoran (Colorado) Desert, Hwy 74, on desert side of San Jacinto Mtns. 457 Comment
  CLARK-A1045-348  Eriophyllum confertiflorum George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along highway north of Rainbow, at Riverside County Line; chaparral; ; Temecula 7.5'Q Comment
  POM182206  Eriophyllum confertiflorum P. A. Munz 1932-4-24 12391 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  POM357967  Eriophyllum confertiflorum Norman C. Cooper 1944-7-15 1600 Riverside Palms to Pines Hwy. 1220 Comment
  SEINET2051130 Image available Eriophyllum confertiflorum Howard S. Gentry 1947-4-20 7631 Riverside Gentry Farm 3 miles NE of Murrieta. 396 Comment
  UCD132157  Eriophyllum confertiflorum E. W. Lathrop Date Unknown 6420 Riverside Corona, Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
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Jun 16 2013
  UCR172239  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  JOTR01259  Eriophyllum confertiflorum var. confertiflorum Cole, James E. 1941-5-17 705 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1310 Comment
  CAS-BOT-BC301787  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Leach Canyon, Santa Ana Mts 548 Comment
  UCR101841  Eriophyllum multicaule B. G. Pitzer 1997-4-1 3056 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR22094  Eriophyllum multicaule Steve Boyd 1980-4-13 131 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  CAS-BOT-BC296974  Eriophyllum wallacei L. R. Abrams 1926-3-25 11006 Riverside Cabazon to Whitewater Comment
  CAS-BOT-BC302040  Eriophyllum wallacei 1891-4-4 601 a Riverside San Jacinto Comment
  RSA171396  Eriophyllum wallacei J. D. Olmsted 1962-5-3 3485 Riverside Along road on N side of Hemet Lake 1280 Comment
  UCD132251  Eriophyllum wallacei Collector Unknown 1923-3-25 299 Riverside Whitewater. Comment
  SEINET8553362  Erodium cicutarium H. M. Hall 1903-1 3809 Riverside Vicinity of Riverside, in the Sonoran Zone 396 Comment
  UCR279360  Erodium cicutarium A. C. Sanders, Jim Malusa 2017-3-24 42977 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
  UCR154536  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-18 703 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  UCR154547  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-13 680 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
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Feb 3 2015
  CAS-BOT-BC54331  Erysimum capitatum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild. Comment
  UC10523  Erysimum capitatum Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  JOTR01035  Erysimum capitatum var. capitatum Cole, James E. 1941-11-7 856 Riverside Joshua Tree National Park. STUBBY SPRING AREA 1402 Comment
  RSA0020086  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  RSA0019307  Erythranthe guttata J. D. Olmsted 1959-6-25 682 Riverside Strawberry Creek drainage area in Fern Valley ENE of Idyllwild. 1677 Comment
  RSA0125298  Eschscholzia androuxii Duncan S. Bell 2016-3-3 8775 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA0022971  Eschscholzia androuxii Percy C. Everett, E. K. Balls 1958-5-7 23114 Riverside S end Joshua Tree National Monument 1067 Comment
  SDSU18743  Eschscholzia californica C. Matt Guilliams 2008-2-13 452 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  UCR139150  Eschscholzia californica S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  RSA678883  Eschscholzia minutiflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10453 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR233181A  Eschscholzia minutiflora Jim Andre, Glenn L. Clifton 2011-2-22 17424 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR3003  Eschscholzia minutiflora Wm. Horn Jr. 1963-3-23 630323- 5 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  UCD96467  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 261 Riverside California. Riverside County: Joshua Tree National Park. 540 Comment
  RSA789476  Eschscholzia parishii Aaron C. Sedgwick, David Fraker 2012-3-28 33 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SD260096  Eschscholzia parishii J. Andre 2012-4-11 20783 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  UCR120586  Eschscholzia parishii Steven R. Hill 2001-4-29 33529 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR112832  Eucalyptus camaldulensis A. C. Sanders 1997-5-1 20613 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  RSA776250  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  SDSU12934  Eucrypta chrysanthemifolia Jutta Buschbom 1991-6-5 38 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
  SEINET3091500 Image available Eucrypta chrysanthemifolia B. Pitzer, L. F. LaPre 1987-3-2 418 Riverside Peninsular Range; Bundy Canyon, 2 mi SE of Lake Elsinore, 0.5 mi north of Bundy Canyon Road, off Raciti Rd. Romoland 7.5 703 Comment
  SEINET7048199  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33709 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  SBBG35142  Eulobus californicus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  SBBG47468  Eulobus californicus N. C. Cooper 1944-5-6 1210 Riverside Whitewater Cyn 457 Comment
  SBBG61339  Eulobus californicus M. N. Ackley 1928-3-10 734 Riverside Bridge Haven 426 Comment
  UC708736  Eulobus californicus H. K. Wagnon 1944-4-2 379 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  UCR143216  Euphorbia maculata L. C. Wheeler 1960-12-12 7703 Riverside University of California Riverside 335 Comment
  UCR36093  Euphorbia misera R. F. Thorne, F. R. Fosberg, et al. 1983-4-23 55410 Riverside San Bernardino Mtns, Mouth of Whitewater Canyon, east of Whitewater Post Office at S end of ridge, in sandy wash east of bridge, and on base of W-facing slope of ridge 412 Comment
  RSA713797  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Coachella Valley: Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr. at Cathedral City limits, 2 mi. E of Date Palm Dr. and 2 mi. S or Ramon Rd. 98 Comment
  UCR159143  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  RSA432446  Euphorbia palmeri M. B. Dunkle 1933-7-21 3719 Riverside Idyllwild 1616 Comment
  PASA701  Euphorbia polycarpa 4/28 Riverside Hidden Springs Comment
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Jun 24 2016
  UCR100877  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2696 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR132748  Euphorbia polycarpa Scott D. White 1993-2-5 1049 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR172248  Euphorbia polycarpa John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR145475  Euphorbia prostrata L. C. Wheeler 1965-6-27 8691 Riverside Corona; Overholtzer's Grove 335 Comment
  OBI14391  Euphorbia setiloba Robert F. Hoover 1966-10-15 10161 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  UCR35601  Eustoma exaltatum J. M. Stewart 1984-6-18 8447 Riverside Santa Rosa Mtns., Bear Creek Oasis 854 Comment
  CAS-BOT-BC167374  Fagonia laevis Carl B. Wolf 1932-4-27 2998 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  CAS-BOT-BC171038  Fagonia laevis A. C. Sanders; E. J. Lawlor 1992-4-4 12086 Riverside Within 1/2 mile of McCoy Spring, alluvial slopes below and to the south and canyon bottom above the spring - McCoy Mountains 243 Comment
  CAS-BOT-BC171039  Fagonia laevis P. A. Munz; R. D. Harwood 1920-4-3 3578 Riverside 30 mi. west of Blythe 365 Comment
  RSA721884  Fagonia laevis J. Mark Porter, Orlando Mistretta 2003-6-5 13623 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  RSA78454  Fagonia laevis Verne Grant, Alva Grant 1952-4-1 17521 Riverside 9 miles E of Mecca Comment
  UC519870  Fagonia laevis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UC56665  Fagonia laevis H. M. Hall 1902-4-11 2794 Riverside Coyote Canyon Colorado Desert (w borders of the Colorado Desert) 137 Comment
  RSA731016  Fagonia pachyacantha M. Wall 2008-4-26 456 Riverside Chuckwalla Valley; along Chuckwalla Rd. just east of junction with Dupont Rd. 161 Comment
  JOTR33748  Festuca bromoides La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2746 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR101440  Festuca microstachys A. C. Sanders 1997-4-10 20333 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR228839  Festuca microstachys A. C. Sanders, T. B. Salvato 2011-4-27 39338 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR2430  Festuca microstachys F. M. Reed 1907-4-4 1270 Riverside City of Riverside. Arroyo Tequesquite Comment
  UCR108880  Festuca octoflora Heidi A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR174093  Festuca octoflora A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32513 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
  SEINET7048190  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33699 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UCR116000  Foeniculum vulgare A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23309 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  RSA171368  Forestiera pubescens J. D. Olmsted 1962-5-3 3542 Riverside N of Santa Rosa Indian Reservation. 1372 Comment
  UC1123324  Forestiera pubescens A. Lewis Mar 1934 331 Riverside 2 mi ne Auburndale; Corona Quad. 121 Comment
  CSUSB831  Fouquieria splendens Steve G. Nelson 1974-4-13 Riverside Highway 195, four miles southwest of junction with US Highway 10. Comment
  RSA292852  Fouquieria splendens Lyman Benson 1949-3-28 13581 Riverside Pines to Palms Highway from Palm Sprins to Hemet; rocky mountainside Santa Rosa Mountain Range, above the desert 305 Comment
  SBBG54536  Fouquieria splendens S. Michael 1967-6-4 36 Riverside California Route 74, [ca.] 10 mi above Palm Desert 457 Comment
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Jun 16 2013
  UCR274791  Fouquieria splendens April Garbat, Sarah J. De Groot 2013-4-9 044 Riverside Sonoran (Colorado) Desert, along Graham Pass Rd near intersection with Chuckwalla Valley Rd. 416 Comment
  RSA750122  Fouquieria splendens subsp. splendens Duncan S. Bell, Amanda Turek 2009-3-30 175 Riverside South side of the Arica Mountains, within the Palen/McCoy Wilderness area. 333 Comment
  CAS-BOT-BC62969  Frangula californica subsp. tomentella Louis C. Wheeler 1931-10-4 206 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SEINET2030051 Image available Franseria dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards east of Spring Comment
  UC3627  Fritillaria biflora H. M. Hall Apr. 1897 384 Riverside Winchester; Southern California, Winchester Comment
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Mar 20 2011
  UCR75041  Funastrum hirtellum A. C. Sanders, E. Lawlor 1992-4-4 12155 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA660910  Galium angustifolium Mitch Provance 1998-5-24 531 Riverside Belltown area, ''Belltown Hill'', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 280 Comment
  UCR131830  Galium angustifolium Jennie Phui 1998-5-30 039 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  RSA144223  Galium angustifolium subsp. angustifolium William M. Klein 1960-8-22 1583 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  UCR3403  Galium angustifolium subsp. angustifolium John Minnich 1964-4-7 64-4-7- 6 Riverside Box Springs Mtns, Two Trees Canyon, Riverside 367 Comment
  UCR3422  Galium angustifolium subsp. angustifolium Heidi A. Haid 1964-5-8 6458- 4 Riverside Riverside, Box Springs Mtns., c. 0.25 mi. above end of Blaine St 457 Comment
  RSA633330  Galium angustifolium subsp. jacinticum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38092 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UC1332296  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside Black Mountain road 0.9 mi above junction of road to Pine Wood; San Jacinto Mountains; San Jacinto Mts., Riverside Co. 1981 Comment
  RSA716392  Galium aparine Scott D. White, Angelia Carey 2004-4-5 9983 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR158343  Galium aparine A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30076 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
  UCD170550  Galium californicum subsp. primum D. O. Burge; J. Gee 2017-5-20 2278 Riverside Pine Cove area, roadside on Red Hill Road. 1720 Comment
  JOTR32840  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  UC1562808  Galium parishii Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7431 Riverside head of Andreas Canyon San Jacinto Mts., Red Tahquitz Peak (n side of peak, w edge of barren bowl of decomposed granite nw of steep ridge) 2438 Comment
  CDA6663  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Avenue, San Jacinto Valley. Comment
  UCR98074  Galium porrigens A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19896 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  JOTR29311  Galium stellatum var. eremicum La Doux, Tasha, Mike Bell 2006-5-17 1388 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC64383  Galium stellatum var. eremicum S. B. Parish Apr 1 1896-Apr 10 1896 4078 Riverside Palm Spr. Colorado Desert Comment
  UCR157945  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 914 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
  POM259134  Garrya flavescens var. pallida P. A. Munz 1938-8-14 15372 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  CAS-BOT-BC158071  Garrya veatchii S. B. Parish 1918-4-3 11696 Riverside Brush land at mouth of San Jacinto River Comment
  SEINET10453492  Garrya veatchii James S. Miller 1992-5-8 Miller 7464 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  UC1122720  Garrya veatchii A. Lewis 1933-2-2 150 Riverside Reed Valley; San Jacinto Quad. 1066 Comment
  UCR89899  Garrya veatchii A. C. Sanders 1995-11-26 17914 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  SBBG89551  Gastridium phleoides J. Adams 1966-4-28 736 b Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  UCR2435  Gastridium ventricosum F. M. Reed 1926-5-15 5340 Riverside Peninsular Range; Perris/Aguanga Basin Region, Menifee Valley, west of Menifee schoolhouse [which was at corner of corner of Newport and Bradley Roads] 457 Comment
  UCR87852  Gayophytum heterozygum Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  SEINET10492283  Gayophytum nuttallii David B. Dunn 1946-8-17 Dunn 2686 Riverside Grass near stream at camp in taquity valley damp meadow area. San jacinto mountains. 2438 Comment
  CHSC23885  Geraea canescens T. M. Lane 1975-3-24 3 Riverside In a wash, 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  POM358661  Geraea canescens A. M. Johnson 1932-3-20 3902 Riverside Sand dunes, Indian Wells. Comment
  POM358665  Geraea canescens L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA0018591  Geraea canescens Duncan S. Bell 2013-1-30 4457 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA21760  Geraea canescens C. B. Wolf 1937-4-6 8432 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  SD30769  Geraea canescens Edith A. Purer 1935-4-21 6458 Riverside Near Palm Springs Comment
  UC17149  Geranium californicum H. M. Hall 1901-7 Riverside Tauquitz Valley San Jacinto Mountains 2743 Comment
  SD152832  Geranium carolinianum Steve Boyd 1992-4-15 6875 Riverside San Mateo Canyon Wilderness Area; Bluewater Trail, downstream to the confluencde with San Mateo Creek. 334 Comment
  UCD170629  Geranium robertianum A. C. Sanders; T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus. 396 Comment
  UCR127533  Gilia A. C. Sanders 2002-5-4 25041 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  UCR160276  Gilia A. C. Sanders 1990-5-21 10021 Riverside San Jacinto Valley, Sanderson Ave. near Gilman Springs Rd., NW of San Jacinto 457 Comment
  RSA523916  Gilia achilleifolia subsp. multicaulis G. H. True 1935-2-26 17 Riverside Mockingbird Canyon. 366 Comment
  RSA613896  Gilia angelensis A. C. Sanders, Giles Waines, B. Ehdaie, A. Aryavand 1997-3-12 19850 Riverside Lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA67729  Gilia angelensis Verne Grant, Alva Grant 1952-3-31 17515 Riverside Palm Canyon. Comment
  UC1228382  Gilia angelensis C. L. Hitchcock and C. V. Muhlick 1962-3-16 22127 Riverside 8 mi s Corona; Temescal Canyon Comment
  UCR59134  Gilia angelensis N. M. Fellows 1985-3-16 112 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts Comment
  RSA725667  Gilia australis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10501 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Comment
  SEINET6045950  Gilia australis I. W. Clokey 1935-4-16 6830 Riverside East of Hemet. Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA633321  Gilia capitata subsp. abrotanifolia R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38081 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA717447  Gilia latifolia Scott D. White, Pam De Vries 2006-3-14 11259 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA726518  Gilia latifolia Naomi Fraga, Lisa Rojas 2005-2-10 1404 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  CAS-BOT-BC407613  Gilia ochroleuca subsp. exilis Verne Grant; Alva Grant 1951-7-22 16107 Riverside San Jacinto Mts., 1 mile N of Fulmor Lake on road from Idyllwile to Banning 1371 Comment
  JEPS4120  Gilia ochroleuca subsp. exilis W. L. Jepson 1903-8-5 2261 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA0016239  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4983 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA0017095  Gilia ochroleuca subsp. exilis Scott D. White 1991-5-13 91 -114 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UC23663  Gilia ochroleuca subsp. exilis H. M. Hall June, 1901 2212 Riverside along water courses in the vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1600 Comment
  RSA779590  Gilia scopulorum Duncan S. Bell 2009-3-7 22 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  JEPS61581  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside 8 mi sw Coachella (w of Coral Reef Ranch); Colorado Desert, sw of Coachella 91 Comment
  RSA150808  Gilia stellata Clare B. Hardham 1962-3-18 8925 Riverside East side of Salton Sea, Route 195 Comment
  RSA475299  Gilia stellata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2111 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA657244  Gilia stellata J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12343 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  UCR251666  Gilia stellata Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 757 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA482016  Glyceria striata Richard Noyes, L. Arnseth 1988-9-10 727 Riverside San Jacinto Mountains. Northeast section of Little Tahquitz Valley, 2 air miles northeast of Tahquitz Peak. 2378 Comment
  RSA747280  Gnaphalium Orlando Mistretta 1992-6-10 521 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  IRVC28173  Gnaphalium bicolor A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27908 Riverside Alberhill Mtn., SE of old clay mining area. Peninsular Ranges 448 Comment
  RSA33831  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA614137  Gnaphalium luteoalbum D. L. Banks 1997-2-23 1304 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
  RSA617821  Gnaphalium palustre R. E. Riefner 1998-4-22 98 -292 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCD98877  Grayia spinosa Scott D. White; Justin M. Wood and Paul Kielhold 2009-4-21 12584 Riverside San Bernadino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  RSA678115  Gutierrezia californica Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1061 -b Riverside Bautista Canyon, Bautista Canyon Road. 915 Comment
  UCR203959  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  CLARK-A1528-1903  Haplopappus pinifolius John C. Roos 1952-8-27 5894 Riverside Pigeon Pass 487 Comment
  SBBG120608  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  UCR104645  Harpagonella palmeri D. E. Bramlet 1997-4-4 2509 Riverside in a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  UCR217556  Harpagonella palmeri Jeff B. Galvin 2009-3-12 78 Riverside Peninsular Ranges, Gavilan Plateau, Lake Mattews, 1.5 km south of Cajalco Rd. and .35 km east of old groves 451 Comment
  UCR252809  Harpagonella palmeri Ana Hernandez, Karyn L. Drennen 2014-5-9 053 Riverside Perris Aguanga Basin, Santa Ana Mountains, foothills. Sycamore Creek Conservation Easement. 40 meters east of Campbell Ranch Road, 90 meters north of intersection with Indian Truck Trail 365 Comment
  UCR256809  Harpagonella palmeri T. B. Salvato, Matthew Malle 2014-4-10 7851 Riverside Perris-Aguanga Basin, Menifee, southeast corner of Bundy Canyon Road and Sunset Avenue 538 Comment
  UCR113542  Hazardia squarrosa Mitch Provance 1998-6-6 697 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  SDSU13561  Hazardia squarrosa var. grindelioides W. Miller with C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  CAS-BOT-BC305452  Helianthus annuus F. A. Thackery 1928-5-22 416 Riverside Indio Comment
  SD245271  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74). Comment
  UCR107871  Helianthus petiolaris D. C. Hawks 1997-9-13 s.n. Riverside San Bernardino Valley, Near Ontario [SBdno Co.], SE of intersection of Mission Ave. & Milliken Ave. [just east of county line] Comment
  POM360279  Hemizonia fasciculata Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  RSA192192  Hemizonia fasciculata E. W. Lathrop 1966-5-15 6313 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA781959  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  POM17514  Hemizonia kelloggii P. A. Munz 1923-6-18 7124 Riverside 3 miles N of Lake Elsinore. 412 Comment
  RSA711222  Hemizonia kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  UCR112494  Hemizonia kelloggii A. C. Sanders 1998-5-21 21870 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  POM298246  Hemizonia paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga. Comment
  UCR118175  Hemizonia paniculata A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22297 Riverside Anza area, Cahuilla Valley, 5.5 mi.W of Bautista Rd. on Hwy 371 1052 Comment
  UCR125216  Hemizonia paniculata Mitch Provance 1998-5-5 524 Riverside Riverside, near VABM 1031, hills traditionally called 'Lionshead', or also referred to as 'Challen Hills', located near the corner of Challen Ave. and Calmhill Dr. in the Arlington area 305 Comment
  UCR201877  Hemizonia paniculata Justin M. Wood 2008-9-22 166 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA544293  Hemizonia pungens subsp. laevis Steve Boyd, Timothy S. Ross 1991-6-14 6354 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
  UCR135812  Hesperocnide tenella A. C. Sanders, Guy Bruyea 2004-4-2 27443 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR98207  Hesperocnide tenella B. G. Pitzer 1997-4-1 3049 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SD240777  Hesperocyparis forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range: Santa Ana Mountains: near Sierra Peak on dirt road (Leonard Road) from Skyline Drive, c. 1/4 mile east of the Orange C. line (Black Star Canyon 7.5'Q) 883 Comment
  RSA587424  Hesperolinon micranthum D. L. Banks, Steve D. Boyd 1995-6-2 568 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in S32, W of the Dripping Springs Alcove Area. 890 Comment
  SEINET5641181  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  POM46855  Heterocodon rariflorum Charlotte M. Wilder 1903-07 s.n. Riverside Strawberry Valley, San Jacinto Mountains. Comment
  UCR193962  Heterocodon rariflorum A. C. Sanders 2008-7-25 35891 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
  SDSU13565  Heteromeles arbutifolia W. Miller with C. Mosse 1972-7-12 Riverside Comment
  UC1211966  Heterotheca grandiflora Otto T. Solbrig 1958-8-18 2757 Riverside junction of Highway 71 and Highway 395 (on road to Palomar) Comment
  RSA160436B  Heterotheca sessiliflora subsp. echioides J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  UCR146498  Heterotheca sessiliflora subsp. echioides Scott D. White, Angelia Carey 2004-9-16 10755 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  UCR92617  Heterotheca sessiliflora subsp. echioides Scott D. White 1995-8-23 3591 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  UC1080368  Heterotheca sessiliflora subsp. fastigiata E. K. Balls and P. C. Everett 1957-8-20 22680 Riverside se of Hemet Reservoir (along State Hwy 74, s end of San Jacinto Mts.); San Jacinto Mts. 1356 Comment
  SEINET2431524 Image available Heuchera hirsutissima Louis B. Ziegler 1969-7-1 Riverside North slope of San Jacinto Mountains. 2350 Comment
  CLARK-A1528-3227  Hibiscus denudatus John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  RSA734955  Hibiscus denudatus Keith E. Hoffmaster 1935-3-31 595 Riverside Palm Springs Comment
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Aug 27 2011
  SD258431  Hibiscus denudatus J. M. Andre 2013-3-4 23876 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Hwy 95, approx 12 miles S of Vidal Jct. 127 Comment
  HSC35006  Hilaria rigida Richard Spjut 1972-3-13 2262 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  JOTR36085  Hilaria rigida La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3312 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  LA8285  Hilaria rigida Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCD90069  Hilaria rigida Peter H. Raven 1958-5-6 12931 Riverside 10.2 miles southwest of Palm Desert on State Highway 74. San Jacinto Mountains. 762 Comment
  SD127582  Hoffmannseggia microphylla David Charlton 1988-2-18 1134 Riverside Alluvial fan south side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10, 1 mile east of Jct Dillon Road & Fargo Canyon Road 609 Comment
  UCR273492  Holocarpha virgata subsp. elongata A. C. Sanders, Glen Morrison 2016-8-4 42612 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Redonda Mesa, near radio/cellphone tower & prominent abandoned microwave tower 855 Comment
  UCR55321  Holocarpha virgata subsp. elongata L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  RSA0036702  Hordeum R. F. Thorne 1973-5-23 43873 Riverside SANTA ROSA PLATEAU: Mesa de Colorado 610 Comment
  CAS-BOT-BC285038  Hordeum depressum Steve Boyd; Tim Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 731 Comment
  RSA696136  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24040 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  UCR21125  Hordeum depressum A. C. Sanders, Steve Boyd 1980-5-19 1495 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  RSA564766  Hordeum intercedens A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCR191539  Hordeum intercedens A. C. Sanders 2008-4-15 34886 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  RSA179511  Hordeum marinum subsp. gussoneanum E. W. Lathrop 1965-4-30 5700 Riverside 5 miles W of Murrieta. 610 Comment
  RSA797248  Hulsea vestita subsp. callicarpha R. F. Thorne, Walter Wisura 1977-9-17 50786 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  POM48452  Hymenoclea salsola P. A. Munz 1925-3-7 9348 Riverside Painted Canyon, Mecca. Comment
  SEINET269275 Image available Hymenoclea salsola Bern Schwen 1994-3-21 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains along radio tower road in first canyon west of Pushawalla Canyon east of Upper Thousan 640 Comment
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Sep 7 2013
  UCR60242  Hymenoclea salsola R. F. Thorne 1973-3-30 42693 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UC570561  Hymenoxys odorata Frank W. Peirson 1935-4-17 11468 Riverside 20 mi s Blythe Comment
  UC871755  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  SD234894  Hypericum formosum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35632 Riverside Peninsular Range; San Jacinto Mtns.: May Velley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch. 1524 Comment
  POM48402  Hypericum formosum var. scouleri P. A. Munz, I. M. Johnston 1924-7-28 8806 Riverside Pine Flats 1738 Comment
  LA61608  Hyptis emoryi Nesta Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  OBI13684  Hyptis emoryi Lewis S. Rose 1959-1-8 59000 Riverside La Quinta 30 Comment
  POM6882  Hyptis emoryi P. A. Munz 1919-3-25 2304 Riverside Palm Springs. Comment
  RSA0107469  Hyptis emoryi Duncan S. Bell, Amanda Turek 2009-3-29 155 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA171143  Hyptis emoryi Robert F. Thorne 1963-3-29 32429 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA253979  Hyptis emoryi Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6421 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe. 290 Comment
  UC1714339  Hyptis emoryi T. A. Geissman Riverside Box Canyon 3 mi e Mecca; Box Canyon e of Mecca Comment
  UCD124921  Hyptis emoryi B. Pitzer 1998-1-24 3405 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd, and wash directly south of road. 499 Comment
  UCD124925  Hyptis emoryi R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCSB52979  Hyptis emoryi Pritchett, David; Fulton, M. 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Hwy. 195 Comment
  RSA0056404  Hyptis emoryi James R. Shevock 1970-12-12 557 Riverside Box Canyon, Hwy. 195. 219 Comment
  CAS-BOT-BC311617  Isocoma acradenia var. eremophila S. B. Parish 1912-6-28 8117 Riverside Mecca Comment
  LA203673  Isocoma acradenia var. eremophila Charles Bogert; 1932-4-17 4006 Riverside Indian Wells Comment
  POM350408  Isocoma acradenia var. eremophila L. E. Hoffman 1927-08 s.n. Riverside Beaumont, Banning Pass. Comment
  POM359295  Isocoma acradenia var. eremophila George R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  POM361285  Isocoma acradenia var. eremophila Allen 1921-10 s.n. Riverside Palm Springs. Comment
  RSA91284  Isocoma acradenia var. eremophila F. W. Peirson 1920-12-28 2335 Riverside Murray Canyon near Palm Springs Comment
  RSA557361  Isocoma menziesii Julie Greene 1993-6-11 1332 Riverside North of new pond. 441 Comment
  UCR277518  Isocoma menziesii Mitch Provance 2012-9-13 912- 05 Riverside Badlands of Western Riverside County, Mt. Davis, +- 1.5 miles SW of Beaumont, vicinity of the microtower on David Mountain Rd. 845 Comment
  POM359614  Isocoma menziesii var. vernonioides Albert J. Perkins 1915-9-25 s.n Riverside Pachappa Mt Comment
  UCR193358  Isoetes orcuttii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35625 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  CLARK-A1703-1214  Jasminum mesnyi Charles S. Papp 1965-1-12 805 Riverside Riverside Comment
  UCR84500  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside S Santa Ana Mtns, San Mateo Canyon Widerness Area of the Cleveland National Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  UCR106052  Juncus bufonius A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20705 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
  RSA788861  Juncus bufonius var. bufonius G. D. Wallace 2003-7-8 4029 Riverside Hidden Lake. Comment
  SD90604  Juncus bufonius var. occidentalis Robert F. Thorne, Earl Lathrop 1969-5-12 37924 Riverside Santa Rosa Plateau, large vernal marsh on south end of Mesa de Colorado, Rancho California. In wet mud and shallow water at northern margin. Comment
  RSA719775  Juncus duranii Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1775 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SBBG57287  Juncus macrandrus R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  POM1607  Juncus oxymeris D. L. Crawford, I. M. Johnston 1917-6-9 1232 Riverside Santa Ana River near Corona Comment
  UCR95422  Juncus oxymeris C. W. Tilforth, W. Wisura 1981-7-10 2114 Riverside Stanley Road, S leg of Red Mtn loop, east of Hwy R3, south of Hemet Comment
  UCR150024  Juncus textilis Scott D. White, Angelia Carey 2004-5-7 10349 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  SBBG57370  Juncus xiphioides R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  CAS-BOT-BC85415  Juniperus californica Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  UCR136372  Juniperus californica Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9003 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  POM6744  Justicia californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2383 Riverside Palm Canyon 183 Comment
  UC1321347  Justicia californica R. F. Hoover 1966-10-15 10163 Riverside Dead Indian Canyon Comment
  UCR33576  Kallstroemia californica Sears 1977-10-12 S 582 b Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  CAS-BOT-BC434233  Keckiella antirrhinoides Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 01 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon. 741 Comment
  LA209283  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; 1939-4-8 21 Riverside Santa Ana Mts Comment
  NY786703  Keckiella antirrhinoides var. antirrhinoides G. T. Hastings 1941-4-26 s.n. Riverside Sage Comment
  UCR91419  Keckiella antirrhinoides var. antirrhinoides Scott D. White 1995-4-5 2722 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SD60440  Keckiella cordifolia Reid Moran 1964-7-27 11862 Riverside canyon of Santa Margarita River, 2I(c) miles SSW of Temecula 199 Comment
  POM10202  Keckiella rothrockii subsp. jacintensis Charlotte M. Wilder 984 Riverside Above Round Valley. Comment
  UCR30791  Keckiella ternata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3867 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  RSA293259  Keckiella ternata subsp. ternata D. C. Michener 1980-5-29 3626 Riverside San Bernardino NF, Cave Springs. 950 Comment
  RSA396457  Koeleria macrantha Dave Kelly, Walter Wisura 1987-6-19 4166 Riverside 7.3 miles from Highway 74 along Thomas Mountain Road, S of Lake Hemet Comment
  CAS-BOT-BC61422  Krameria bicolor J. Cole 1942-5-19 967 Riverside Fried Liver Wash, Pinto Basin, Joshua Tree National Monument 609 Comment
  UCD107077  Krameria bicolor Collector Unknown 1923-5-19 294 Riverside Little Morongo Wash, near Warren's Ranch. Comment
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Feb 15 2013
  CAS-BOT-BC43708  Krameria erecta Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9560 Riverside 1 mile below Cottonwood Springs. Comment
  POM301793  Krameria erecta J. Cole 1942-5-19 968 Riverside White Tanks Area, Joshua Tree National Monument. 61 Comment
  RSA0124041  Krameria grayi Duncan S. Bell, LeRoy Gross 2016-3-10 8887 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCR89575  Krameria grayi Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  UCR100038  Lamarckia aurea Scott D. White 1994-4-23 2047 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  RSA778116  Langloisia setosissima subsp. setosissima Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 931 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SBBG45747  Langloisia setosissima subsp. setosissima Leota Davidson 1966-4-6 240 Riverside Wiley Well Rd, 4.5 mi S of intersection with Interstate 10 ca. 31 mi E of Desert Center, Chuckawalla Mtns Comment
  CSUSB315  Larrea tridentata Anne Brown, Cary Brown 1964-4-11 11464 1 Riverside Palms-To-Pines Highway, just off Highway. 853 Comment
  HSC100857  Larrea tridentata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12775 Riverside 457 Comment
  POM12074  Larrea tridentata Mary F. Spencer 1921-3-24 223 Riverside In desert sand, Mecca, colorado Desert -60 Comment
  POM2798  Larrea tridentata Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  SD247522  Larrea tridentata A. C. Sanders, Jim Malusa 2015-3-10 41369 Riverside Sonoran (Colorado) Deert; north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Moutains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 609 Comment
  UC1280939  Larrea tridentata H. E. McMinn 1937-3-5 5000 Riverside about 7 mi w Blythe Comment
  UCR148466  Larrea tridentata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR161365  Larrea tridentata Mark A. Elvin 2005-4-25 4222 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  UCR238486  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 167 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  UCR245740  Larrea tridentata Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3956 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., [NE] of Shaver Well on an alluvial plain 323 Comment
  CAS-BOT-BC412766  Lastarriaea coriacea A. C. Sanders; T. B. Salvato 2000-5-25 23406 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 488 Comment
  RSA594128  Lastarriaea coriacea D. L. Banks, Victor W. Steinmann 1996-4-20 0907 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  CAS-BOT-BC352912  Lasthenia coronaria John Thomas Howell 1928-3-11 3415 Riverside Morongo Canon, n. Colorado Desert Comment
  CAS-BOT-BC354214  Lasthenia coronaria A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37811 Riverside Peninsular Range: southeastern Gavilan Hills N 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
  CLARK-A1528-1089  Lasthenia coronaria Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  RSA314645  Lasthenia coronaria R. F. Thorne 1983-4-23 55459 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD144036  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark Varsity) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR29355  Lasthenia coronaria M. G. McLeod, D. J. Keil 1977-3-26 K12010- 01 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  IRVC27654  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA666587  Lasthenia glabrata subsp. coulteri A. C. Sanders, Sue Nash, Tom Paulek, et al. 2002-4-7 24903 Riverside San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25mi. N of Lakeview. 434 Comment
  SD155504  Lasthenia glabrata subsp. coulteri Craig Reiser 2001-4-27 Riverside E side of Mystic Lake and ca. 100 yards W of Gilman Hot Springs Road, N of San Jacinto. Comment
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UCR114934  Lasthenia gracilis Julie A. Greene 1993-4-30 1287 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  UCR140447  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR34907  Lasthenia gracilis L. B. Ziegler 1967-4-25 124 Riverside San Jacinto Mtns Foothills, Cahuilla Indian Reservation [near Anza] 1067 Comment
  UCR94932  Lathyrus latifolius Scott D. White 1996-8-16 4487 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  POM2641  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1918-4-27 2127 Riverside Elsinore Comment
  RSA125262  Lathyrus vestitus subsp. laevicarpus E. K. Balls 1957-11-19 22834 Riverside Grown in Botanic Garden, from seed collected Aug. 20, 1957, by E. K. Balls & P. C. Everett, 6.6 mi. sw. along State Hwy 74 from Palm Village (jct. with State Hwy 111). 396 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
  CAS-BOT-BC379664  Layia platyglossa A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19880 Riverside Lake Skinner area; lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  UCR166806  Lepidium densiflorum var. elongatum R. E. Riefner Jr. 2005-6-1 05- 437 Riverside Hemet, Wilhelm property, south side of Florida Ave (Hwy 74) c. 0.25 mi west of MWD canal 459 Comment
  UCR19094  Lepidium dictyotum var. acutidens John C. Roos 1950-3-18 4712 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 457 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
  POM47119  Lepidium lasiocarpum Mary F. Spencer 1918-4-12 764 Riverside Palm Springs 137 Comment
  UCR111983  Lepidium lasiocarpum A. C. Sanders, T. B. Salvato 2000-5-25 23409 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR189293  Lepidium latifolium Fred M. Roberts, S. Leatherman 2007-9-19 6598 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR225593  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  RSA544286  Lepidium virginicum var. pubescens Steve Boyd, Timothy S. Ross 1991-6-14 6361 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SD137828  Lepidium virginicum var. pubescens Darin L. Banks, Steve Boyd 1995-5-3 189 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain. East of Dripping Springs Alcove Area, ArroyoSeco 504 Comment
  POM10276  Lepidium virginicum var. robinsonii Charlotte M. Wilder 1904-3-20 s.n. Riverside Wilder s Canyon Comment
  UCR251700  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle 2014-4-8 7830 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 0.6 mi north-northeast of intersection of Hwy I-15 and Lake St. 468 Comment
  UC33118  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Riverside Comment
  UCR113551  Lepidospartum squamatum Mitch Provance, Juanita Provance, Seychelle Provance, Claude Provance 1999-4-4 1754 Riverside Riverside, Prenda area (locally known as Whitegates Hills), c. 0.5 miles west of pk 1659. 366 Comment
  SDSU13827  Leptochloa fusca subsp. uninervia W. Miller, C. Mosse 1972-8-9 Riverside North bank of beaver dam, west of large boulder. Comment
  UCD64015  Leptochloa fusca subsp. uninervia Collector Unknown 1948-9-1 Riverside Riverside County. Comment
  UC1924330  Leptochloa uninervia P. M. Peterson with D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River(Wash), just N of Cedar and Mountain, NE end of Hemet. Comment
  JEPS69870  Leptodactylon pungens W. L. Jepson 1914-5-18 6003 Riverside Pinion Well Canyon n Indio (Mts. of the Pinion Well); , Pinion Well Canyon 762 Comment
  UC597604  Leptodactylon pungens Philip A. Munz 1937-5-29 15100 Riverside Shumway Santa Rosa Mts., edge of Pinyon Flat (edge of Pinyon Flat) 1219 Comment
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Dec 18 2011
  RSA500182  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3537 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM128367  Leptosiphon pygmaeus subsp. pygmaeus Thos. Craig 1927-4-23 202 Riverside Glen Ivy. Comment
  RSA525334  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4464 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  SFV7333  Leptosyne californica T. Gordon, K. Kimbrough 1975-3-16 850 Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  RSA736986  Lesquerella tenella J. Andre, T. La Doux 2008-3-21 8831 Riverside JTNP: Pinkham Exit dirt road, at Cottonwood Visitor s Ctr, just N. of Cottonwood Cyn. 939 Comment
  SBBG35002  Lessingia glandulifera var. glandulifera T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, E of Hemet Comment
  UCR88310  Linanthus bigelovii A. C. Sanders, K. C. Rose 1995-4-5 16362 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CLARK-A1045-673  Linanthus ciliatus George K. Helmkamp 1977-5-21 Riverside San Jacinto Mountains forest west of Pine Cove; Palm Springs 15'Q Comment
  JEPS58359  Linanthus dianthiflorus W. L. Jepson 1901-5-27 1478 Riverside Chauilla Valley to Aguanga Comment
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Nov 27 2011
  POM10462  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1895-3-1 305 Riverside Riverside Cal. Comment
  RSA673729  Linanthus lemmonii Scott D. White, Bill La Haye 2000-5-27 7963 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UC23671  Linanthus lemmonii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR80801  Linum lewisii var. lewisii Scott D. White 1993-5-29 1472 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  UCR23128  Lithophragma affine J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  UCR62104  Lithophragma affine Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  RSA495423  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2949 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  POM13790  Loeflingia squarrosa P. A. Munz 1922-4-30 5137 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  UCR177399  Loeflingia squarrosa Marisa Sripracha, K. A. Boyd 2004-3-21 055 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA675045  Loeseliastrum schottii Scott D. White 2001-4-27 8416 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  CAS-BOT-BC342252  Logfia filaginoides Steve Boyd 1986-4-19 1695 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  UC75867  Logfia filaginoides Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR88304  Logfia filaginoides A. C. Sanders, Karin Cleary-Rose 1995-4-5 16387 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  POM266274  Lolium perenne subsp. multiflorum J. C. Roos 1937-5-2 1397 Riverside La Sierra, western Riverside. [Collection is Jack Frost Lake. aka Frost Reservoir, apparently a part of La Sierra [Loma Linda University Campus] ca. 1937 south of Indiana Avenue and west of Sayward Circle, near Pierce;, Owned by city of Riverside ca. 2000 Comment
  JOTR30047  Lomatium mohavense La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1780 Riverside Joshua Tree National Park. Stop #4- Northwest end of Eagle Mountains near road heading to Cottonwood Canyon. 910 Comment
  RSA524405  Lomatium vaginatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4095 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA97436  Lomatium vaginatum F. W. Peirson 1922-4-29 2932 Riverside South of Lake Elsinore. 381 Comment
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Dec 8 2013
  UCR282416  Lonicera interrupta Mitch Provance 2009-7-1 709- 02 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  SD51938  Lonicera subspicata var. johnstonii Reid Moran 1962-7-7 9869 Riverside By Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
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Feb 23 2013
  RSA771653  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4915 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
  UCR24896  Lotus grandiflorus A. C. Sanders 1980-7-22 1702 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA195479  Lotus heermannii C. R. Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  RSA161280  Lotus oblongifolius P. H. Raven, R. Snow 1957-7-26 11112 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  POM243699  Lotus procumbens var. procumbens E. C. Jaeger 1938-5-14 s.n. Riverside Near Stubbe Springs, Joshua Tree National Mon. 1402 Comment
  UCR178199  Lotus purshianus Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 649 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  JOTR16686  Lotus rigidus Walters, Jim 1967-3-12 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  JOTR31881  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  RSA498790  Lotus rigidus Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  SEINET3563111 Image available Lotus rigidus Melissa Luckow, Rhonda Riggins 1982-4-15 821 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW jctn Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  UCR251298  Lotus salsuginosus T. B. Salvato 2013-3-27 7432 Riverside Temescal Valley, Corona, c. 1 mi southeast of Corona (Lee) Lake and 0.2 mi south of Hwy 15, between De Palma Road and Colt Drive, west side of Horsethief Canyon Road 396 Comment
  JEPS55916  Lotus salsuginosus var. brevivexillus W. L. Jepson 1927-4-12 11640 Riverside n of Mecca; Painted Canyon 76 Comment
  CSUSB1260  Lotus scoparius Randy Salstrom 1966-4-12 Riverside Bottom of canyon, 100 yards from east end of Blaine Street in Box Springs Mountains in Riverside. 277 Comment
  UCR154392  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2005-6-15 30970 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
  RSA182340  Lotus scoparius var. brevialatus J. D. Olmsted 1962-5-1 3430 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  SEINET212654 Image available Lotus scoparius var. brevialatus Larry C. Higgins 1974-4-12 8477 Riverside 5 miles south of Morongo Valley on highway 62 Comment
  RSA660552  Lotus strigosus Lydia Paneri 1982-4-17 11 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA776837  Lotus strigosus Amber Swanson, Duncan S. Bell 2011-3-18 221 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UCR1136  Lotus strigosus Frank C. Vasek 1958-4-26 580426- 30 Riverside Peninsular Range, U.S. Hwy 395, 3.9 mi south of junction with State Hwy 74 [Menifee Valley, near Newport Rd.] 434 Comment
  UCR158505  Lotus strigosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30038 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
  UCR251713  Lotus strigosus T. B. Salvato 2014-4-9 7836 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  POM7046  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2390 Riverside Palm Springs. (Cabazon) 543 Comment
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Mar 13 2011
  RSA680919  Lotus strigosus var. tomentellus Scott D. White, Michael Honer 2003-5-14 9274 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR214552  Lotus strigosus var. tomentellus A. C. Sanders 2010-3-15 37393 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR245962  Lotus strigosus var. tomentellus Duncan S. Bell 2009-3-8 78 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  UCR16277  Lotus tomentellus David Eslinger 1970-4-25 s.n. Riverside Colorado, 2 mi. N [of junction of] Interstate Hwy 10 and State Hwy 195 into Joshua Tree National Monument [now J.T.N. Park], 200 ft. NW of road 610 Comment
  JOTR36470  Lupinus arizonicus La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3439 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  POM349942  Lupinus arizonicus J. Jones, Christopher Davidson 1980-4-4 9951 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  POM349951  Lupinus arizonicus N. C. Cooper 1949-3-15 3173 Riverside 5 miles south of Palm Springs. 122 Comment
  RSA414840  Lupinus arizonicus Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Banning Comment
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Oct 23 2011
  UCD105828  Lupinus arizonicus Donald Myrick 1966-4-2 1355 Riverside at upper end of Aqueduct Road, southeast of Desert Hot Springs. 1219 Comment
  SD143897  Lupinus bicolor A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20687 Riverside San Jacinto Mountains, north side of the range, Twin Pines Creek below the confluence with Brown Creek, on gravel bars along the creek in full sun; Cabazon 7.5' quad.; UTM 10km cell:NH-1E, 4N. Vista Grande 854 Comment
  UCR127567  Lupinus bicolor A. C. Sanders, T. B. Salvato 2003-5-21 26790 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA407119  Lupinus chamissonis Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA559939  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-18 6890 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  POM157901  Lupinus densiflorus var. lacteus Philip A. Munz 1927-5-20 10792 Riverside Murrieta Hot Springs. Comment
  LA205081  Lupinus excubitus W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  CAS-BOT-BC205387  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  POM305372  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1938-3-26 646 Riverside Elsinore Temecula Comment
  RSA543577  Lupinus excubitus var. austromontanus Steve D. Boyd 1991-5-7 6159 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  JOTR16693  Lupinus excubitus var. hallii Vanderspek & Youse 1964-4-17 64503 Riverside Joshua Tree National Park. Comment
  RSA17253  Lupinus formosus Carl B. Wolf 1936-6-17 7961 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  POM280795  Lupinus hirsutissimus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  UCR100087  Lupinus hirsutissimus R. G. Swinney 1967-3-5 56 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  VVC222  Lupinus hirsutissimus A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20654 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
  SEINET238551  Lupinus hyacinthinus George K. Helmkamp 1998-6-27 4124 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  SEINET238339  Lupinus latifolius Mitch Provance 2000-5-5 2011 Riverside Riverside: Box Spring Mtns. canyon ca. 0.5 mi. NE of peak 2553 and ca. 0.5 mi. SW of the old landfill off Pigeon Pass 427 Comment
  UC15840  Lupinus latifolius var. parishii Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SD133084  Lupinus microcarpus var. microcarpus Scott White 1991-5-13 91 86 Riverside Highway 79, immediately west of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UC1979544  Lupinus sparsiflorus Darin L. Banks, Steve Boyd 1995-5-3 232 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR282304  Lupinus sparsiflorus Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 873 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  RSA263648  Lupinus sparsiflorus subsp. sparsiflorus E. W. Lathrop 1973-5-28 7503 Riverside Main Divide Truck Trail beween El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA314652  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55500 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA575977  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau. 610 Comment
  SD244161  Lupinus succulentus T. B. Salvato, Mike Landers 2013-3-21 7384 A Riverside Perris-Aguanga Basin: Murrieta, between Hwy 215 and State Route 79 (Winchester Road), .23 mile east of the intersection of Keller Road and Menifee Road (Romoland 7.5'Q) 466 Comment
  SEINET10837784  Lupinus succulentus var. succulentus August J. Breitung 1953-4-19 Breitung 14768 Riverside In grain field 10 mi e of beaumont. Flowers purple, upper lip with white Blotch in center. Keel ciliate near claws both above and below. Comment
  RSA519230  Lupinus truncatus Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR165191  Lupinus truncatus S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR87979  Lupinus truncatus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  GMDRC9807  Lycium andersonii J. M. Andre 2017-3-1 38028 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA594517  Lycium andersonii D. L. Banks, Rashmi Pant 1996-5-13 1022 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground., Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79, just N of the Cleveland National Forest Boundary. T8S R1W; Just N of the NW 1/4, NE 1/4 of sec. 23. 473 Comment
  UC303699  Lycium andersonii F. M. Reed Dec 1917 11655 Riverside Terquisquita Canyon [Tequesquite Arroyo] Comment
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Aug 14 2010
  JOTR31075  Lycium cooperi La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2338 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UCR124137  Lythrum californicum Steve Boyd, T. S. Ross 1989-8-28 3791 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  RSA708240  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  SD262312  Lythrum hyssopifolia T. B. Salvato Salvato, Gregg Miller 2005-6-3 1369 Riverside Peninsular Range: Perris-Aguanga Basin Region: San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon (Romoland 7.5'Q) 427 Comment
  UCR146485  Machaeranthera asteroides Scott D. White, Angelia Carey 2004-9-16 10764 Riverside San Jacinto Mountain foothills, San Jacinto River wash and adjacent alluvial benches; near Indian Creek confluence 534 Comment
  RSA362093  Machaeranthera asteroides var. asteroides Donald Myrick 1969-10-20 2127 Riverside Near Mt. San Jacinto College, San Jacinto. 488 Comment
  NY214798  Machaeranthera canescens L. B. Ziegler 1969-9-30 s.n. Riverside North slope of Santa Rosa Mts. 1981.2 Comment
  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
  POM157905  Madia exigua P. A. Munz 1927-5-20 10815 Riverside 10 miles south of Hemet Comment
  RSA289949  Maianthemum racemosum subsp. amplexicaule Carl V. Meyer 1928-7-26 540 Riverside Deer Springs. 8700 ft. 2652 Comment
  RSA0101004  Malacothamnus densiflorus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3546 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  CAS-BOT-BC345426  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA613900  Malacothrix clevelandii A. C. Sanders, P. J. MacKay, Tim C. Thomas, O. F. Clarke 1997-5-4 20629 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA759211  Malacothrix clevelandii Robt Allen 2008-5-17 s.n. Riverside Bear Canyon Trail. Near boundary of San Mateo Wilderness 675 Comment
  UCR244380  Malacothrix glabrata Jim Andre 2012-4-16 20949 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  UC64247  Malosma laurina H. M. Hall 1897-1 Riverside Winchester Comment
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Mar 20 2011
  SEINET3449032  Malva parviflora Steven R. Hill, Kate Kramer 2001-4-27 33476 Riverside Banning, Banning, 4 miles east, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, at the junction of Apache Trail and Seminole Drive, north of route interstate 10, Apache Trail Exit 550 Comment
  UCR176693  Malva parviflora R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Peninsular Range, Murrieta Township, Rancho Pauba, Hwy 71 [=79] at Temecula River Comment
  CSUSB590  Marah macrocarpa Kheng Try Seng 1966-4-13 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  RSA229828  Marah macrocarpa Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 588 Riverside Cleveland Nat. Forest. 6.5 mi. S of Lake Elsinore along Forest Route 7SO4 Comment
  RSA346380  Marah macrocarpa F. R. Fosberg 1930-3-9 1536 Riverside Mission Canyon Comment
  RSA543785  Marah macrocarpa Steve Boyd 1991-5-2 6042 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
  UCR132423  Marah macrocarpa A. C. Sanders 2004-2-6 27380 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon at head of small nameless canyon on south side of ridge 427 Comment
  RSA498353  Marina parryi Robert L. Dressler 1949-3-19 411 Riverside Box Canyon, Orocopia Mts. Comment
  UCSB59680  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  UCR85284  Marrubium vulgare Bern Schwenn 1994-5-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], Cottonwood Spring campground, parking lot at bathrooms, loop 'B. Comment
  CAS-BOT-BC71093  Marsilea vestita P. A. Munz; I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno 426 Comment
  POM12207  Marsilea vestita P. A. Munz 1922-4-29 5071 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR12617  Marsilea vestita K. H. Fisher 1968-5-14 10 Riverside Santa Ana Mountains, Murrieta, cattle reservoir 50 yards from Tenaja Rd & 8 mi from Washington St. 549 Comment
  GMDRC3508  Matelea parviflora J. Andre, T. La Doux 2008-9-16 10704 Riverside Little San Bernardino Mountains: Joshua Tree National Park: among boulders on NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad 34 deg. .534' N 116 deg. 3.098' W. Elev. 4354 ft. 1327 Comment
  UCR140307  Matricaria occidentalis A. C. Sanders 2004-4-9 27476 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  RSA588666  Medicago lupulina D. L. Banks, S. D. Boyd 1995-10-17 0819 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 524 Comment
  UC1537025  Medicago polymorpha Gordon H. True Jr. 1935-3-18 120 Riverside valley e Citrus Expt. Station; Box Springs Comment
  CLARK-A1528-4725  Melica frutescens John C. Roos 1937-4-18 1360 Riverside San Jacinto Mountains Comment
  UCR174306  Melica frutescens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32647 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA496567  Melica imperfecta Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  RSA712547  Melica imperfecta T. B. Salvato 2004-5-27 579 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
  UC818873  Melica imperfecta P. A. Munz and I. M. Johnston 1922-5-21 5500 Riverside near Kenworthy (Hemet Valley); San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  SEINET11678863  Melica imperfecta Unknown 1936-1 12769 Riverside 5 mi E of Banning Comment
  RSA192124  Melilotus albus H. A. Zuill 1966-6-5 s.n. Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UCR241210  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 02 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  RSA49100  Melilotus officinalis R. Weatherby 1949-5-29 13393 Riverside Campus of La Sierra College. Arlington Comment
  CLARK-A1528-573  Mentha citrata John C. Roos 1951-9-25 5289 Riverside Riverside 259 Comment
  RSA543849  Mentha spicata Steve Boyd, Orlando Mistretta 1991-5-22 6315 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR17931  Mentzelia albicaulis A. C. Sanders 1976-4-20 00418 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR193854  Mentzelia dispersa A. C. Sanders, Mitch Provance 2008-7-11 35767 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
  RSA0014463  Mentzelia involucrata Justin M. Wood, J. Miner 2010-4-29 1537 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  SBBG20039  Mentzelia involucrata D. Myrick 1964-3-26 788 Riverside 15 mi S of Twentynine Palms, Joshua Tree Nat Monument 762 Comment
  POM14202  Mentzelia jonesii P. A. Munz, D. D. Keck 1922-4-13 4955 Riverside Eagle Mountains. 244 Comment
  JEPS41190  Mentzelia montana Carl V. Meyer 1929-6-13 752 Riverside above Keen Camp (on Idyllwild Road); San Jacinto Mts. Comment
  CAS-BOT-BC170850  Mentzelia veatchiana R. F. Hoover 1969-4-11 11212 Riverside Mouth of Morongo Valley Canyon Comment
  CLARK-A1656-751  Micropus californicus Theo Glenn 1979-3-31 Riverside San Jacinto Mountains Comment
  SBBG101673  Micropus californicus S. Boyd with Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 Comment
  RSA357122  Microseris heterocarpa R. F. Thorne 1973-5-23 45513 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  UCR225446  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-3-29 38847 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  POM6204  Microseris lindleyi P. A. Munz 1918-4-27 2142 Riverside Near Corona. Comment
  UCR34957  Microseris lindleyi L. B. Ziegler 1969-5-8 354 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  RSA0106592  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-9 0323 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SDSU13959  Mimetanthe pilosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2147 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, extreme southern end of northern most (narrow) deer grass meadow. 646 Comment
  POM8466  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2297 Riverside Butte west of Lakeview. 610 Comment
  POM8579A  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2292 Riverside Butte due W. of Lakeview. 610 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
  UCSB16147  Mimulus aurantiacus var. pubescens Keefe, Joseph 1963-3-15 Riverside on north slope above State Highway 74; 1.2 miles west of junction with Grand Avenue; Elsinore 533 Comment
  RSA488927  Mimulus aurantiacus var. puniceus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  SDSU13593  Mimulus aurantiacus var. puniceus W. Miller, C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  UCR241958  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-3-21 39981 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  RSA708154  Mimulus bigelovii Scott D. White, B. Leatherman 2005-5-4 11010 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  JEPS9935  Mimulus brevipes W. L. Jepson 1935-4-21 17161 Riverside Wisser Valley Comment
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Apr 7 2009
  UCR157952  Mimulus brevipes T. B. Salvato, A. C. Sanders 2005-5-17 931 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
  UCR35251  Mimulus cardinalis L. B. Ziegler 1967-7-26 191 Riverside San Jacinto Mtns, Stone Creek Canyon 1829 Comment
  UCSC000865  Mimulus cardinalis Peter Kamb 1948-7-11 1199 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  SBBG53759  Mimulus floribundus S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  RSA586947  Mimulus fremontii D. L. Banks, S. D. Boyd 1995-5-30 476 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N Flank of Agua Tibia Mountain, along the Dripping Springs Trail; at first saddle area in section 34, NNE of the two peaks of Agua Tibia Mountain. 963 Comment
  UCR240634  Mimulus fremontii Tracy Tennant, Mitch Provance 1998-6-16 MOR- 403 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  CSUSB888  Mimulus guttatus Rex Sanders 1973-5-13 Riverside Santa Ana Mountains Collected at 2nd creek crossing Los Pinos forestry camp road 0.7 miles from Highway 74 turnoff; Cleveland National Forest, Santa Ana Mountains; 1 meter from stream, 20 meters from road. 609 Comment
  CSUSB947  Mimulus guttatus Linda Stangor Riverside Santa Ana River Santa Ana River bottom, near old railroad bridge. Comment
  UCR187286  Mimulus moschatus Diane Menuz, Carlos Navarro 2006-8-4 211 Riverside Peninsular Range; San Jacinto Mtns, along Willow Creek Trail about 700 m east of Saddle Junction 2439 Comment
  UC1595588  Mimulus parishii Steve Boyd, Tim Ross 1991-6-8 6327 Riverside near Ribbonwood (e side of small hill n of Hwy 74); San Jacinto Mtns., Pinyon Flats area Comment
  UC1518762  Mimulus pilosus Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38098 Riverside above James Reserve; San Bernardino National Forest, San Jacinto Mts., Hall Canyo 1676 Comment
  CLARK-A1528-4270  Mimulus puniceus John C. Roos 1941-5-17 123 Riverside March Field Comment
  RSA788865  Mimulus suksdorfii Gary D. Wallace 2003-7-8 4037 Riverside Hidden Lake. Comment
  RSA778144  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 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
  CLARK-A1528-636  Mirabilis californica C. M. Flanagan 1973-4-14 OO 106 Riverside Sunnymead 609 Comment
  JEPS61301  Mirabilis laevis var. crassifolia W. L. Jepson 1914-5-25 6073 Riverside San Gorgonio Pass 548 Comment
  RSA4385  Mirabilis laevis var. crassifolia Carl B. Wolf 1932-3-20 31 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA464253  Mirabilis laevis var. crassifolia Jack Rempel 1942-3-2 s.n. Riverside San Gorgonio Pass, S of Cabazon. Roadside between highway and R.R. tracks Comment
  RSA60730  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona. Comment
  SD187440  Mirabilis laevis var. crassifolia Scott D. White, Angelia Carey 2004-4-16 10179 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  OBI40178  Mirabilis laevis var. retrorsa N. Miles Fellows 1985-3-16 114 Riverside Oasis de Los Osos Preserve, off Snow Crk Cyn at the N foot of the San Jacinto Mts, 1 mi W of Snow Crk Village 488 Comment
  RSA0125279  Mirabilis laevis var. retrorsa Duncan S. Bell 2016-3-3 8784 Riverside Whitewater Canyon; near mouth of canyon, approximately 1 air mile south of Bonnie Bell, east side of the road, north of large gravel pit. 460 Comment
  RSA314456  Mirabilis laevis var. retrorsa Robert F. Thorne, Dr. Fosberg, Sachet, Herbst 1983-4-23 55463 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA464829  Mirabilis laevis var. retrorsa M. B. Dunkle 1937-3-25 4921 Riverside Colorado Desert Comment
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Feb 17 2013
  SEINET8545210  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood Springs. Comment
  RSA450140  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  UCR251643  Mirabilis laevis var. villosa Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 822 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 495 Comment
  JOTR36445  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3415 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  POM182069  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA306175  Mohavea confertiflora Fay A. MacFadden 1940-3-17 15277 Riverside Road from 29 Palms to Indio, 2/3 of way to Indio. San Bernardino Mtns Comment
  RSA408768  Mohavea confertiflora L. H. Jones 1910-3-17 s.n. Riverside Not plantiful, on gravelly banks and small washes at edge of mesas, Riverside Mountain, Colorado River. Comment
  SBBG54992  Mohavea confertiflora D. Keil, M. McLeod, D. Walters 1977-3-27 12062 Riverside Box Cyn Rd, ca. 20 mi ENE of Mecca, Orocopia Mtns 274 Comment
  UCR86859  Mohavea confertiflora A. C. Sanders, K. C. Rose 1995-4-27 16740 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  LA63042  Monardella australis subsp. australis Martha Hilend; 1928-8-7 sn Riverside Mt San Jacinto, between Summit and Round Valley Comment
  CAS-BOT-BC220031  Monardella breweri subsp. lanceolata H. M. Hall 1896-8-28 340 Riverside San Jacinto Mountains. In Strawberry Valley 1600 Comment
  UC25469  Monardella linoides subsp. linoides H. M. Hall June 1901 2110 Riverside e base San Jacinto Mountains (along borders of desert); , Colorado Desert Comment
  UC1499879  Monardella nana Elizabeth McClintock 1940-10-19 Riverside San Jacinto Mts. trail to Tahquitz Peak a short distance beyond fork in trail going to Hidden Lake Comment
  RSA0014344  Monardella nana Elizabeth McClintock 1941-7-21 128 Riverside San Jacinto Mts. Trail to Hidden Lake. A short distance from the top of the ledge just below the turn off to Hidden Lake. Comment
  IRVC2059  Monardella nana subsp. arida R. H. Whittaker, W. A. Niering 1963-6-9 SJ 353 Riverside Santa Rosa Mountain Road Peninsular Ranges, Santa Rosa Mountains 1875 Comment
  UCR221463  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 040 Riverside Peninsular Range; San Jacinto Mtns. Region, [Anza Valley] 1.5 to 2 miles from [south of] turnoff to Anza Monument [from modern Hwy 371] on road to Coyote Canyon 1296 Comment
  UCR221488  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 077 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 1 mile beyond canyon where stream crosses road 2012 Comment
  UCR221491  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 80 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 5.5 miles beyond canyon where stream crosses road 2378 Comment
  RSA247308  Monardella nana subsp. tenuiflora Gary D. Wallace 1966-7-3 639 Riverside San Jacinto Mountain: Thomas Mountain, southeast of Idyllwild. Comment
  SEINET3996320 Image available Monardella nana subsp. tenuiflora Noel H. Holmgren, Liew Fah Seong 1969-6-17 3579 Riverside San Jacinto Mountains, County Road R1, 1/4 mile above Bay Tree Spring. Comment
  UCR221495  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Peninsular Range; San Jacinto Mtns., Black Mountain, 2 miles beyond the snow gate 2256 Comment
  JOTR31922  Monoptilon bellioides La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2164 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road Comment
  RSA4676  Monoptilon bellioides I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  RSA554208  Monoptilon bellioides Theo Glenn 1992-3-31 92 -15 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  SEINET10842464  Monoptilon bellioides David B. Dunn 1946-3-16 Dunn 2076 Riverside Dry arid slope in Pushawalla Palm Canyon about 1 mile above the main group of Palms. Comment
  UCR24296  Montia chamissoi John C. Roos 1937-8-18 2536 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  SEINET7296363 Image available Muhlenbergia andina Richard W. Pohl 1963-1 9424 Riverside Lake Fulmor, San Jacinto Mts. 1300 Comment
  CLARK-A1528-76  Muhlenbergia asperifolia John C. Roos 1951-9-25 5257 Riverside Riverside 259 Comment
  POM185023  Muhlenbergia microsperma Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  CAS-BOT-BC275041  Muhlenbergia richardsonis H. M. Hall 1901-7-1 2477 Riverside San Jacinto Mountains. Tamarack Valley 2804 Comment
  RSA179515  Muhlenbergia rigens E. W. Lathrop 1959-5-17 4540 Riverside 14 miles west of Murrieta. Comment
  SD132481  Muhlenbergia rigens Scott White 1990-10-23 Riverside 8.5 mi. (airline) ENE of Temecula; E of De Portola Rd. on El Dorado Rd., freshwater marsh 487 Comment
  UCR163817  Muhlenbergia rigens John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  CHSC23898  Nama demissa T. M. Lane 1975-3-24 5 Riverside In a wash, 1 mi n or US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. 533 Comment
  SJSU1887  Nama demissa J. W. Tilden 1957-4-18 1106 Riverside near Whitewater E of San Gregorio Pass Comment
  UCR119340  Nama demissa B. G. Pitzer 2000-5-7 4127 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA735327  Nama demissa var. demissa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11295 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA653585  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23173 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., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  UC821907  Nassella cernua P. A. Munz and I. M. Johnston 1922-5-21 5540 Riverside Hemet Valley San Jacinto Mts. 1402 Comment
  RSA263718  Nassella lepida E. W. Lathrop 1966-5-26 6343 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  JEPS493  Nassella pulchra E. Bartholomew Riverside Riverside Comment
  LA102250  Navarretia atractyloides John C. Roos; 1950-5-27 4818 Riverside NE summit of Reche Canyon 761 Comment
  UCR112000  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR25246  Navarretia fossalis John C. Roos 1952-5-28 5729 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR279329  Nemacladus A. C. Sanders, Jim Malusa 2017-3-23 42940 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  SEINET10461230  Nemacladus glanduliferus var. glanduliferus Munz 1952-5-2 MUNZ 16239 Riverside Dry Morongo Wash, northwest end of Coachella Valley 457 Comment
  UCR139244  Nemacladus longiflorus A. C. Sanders, Kate Kramer 2003-6-11 26883 Riverside San Jacinto Mtns., Garner Valley, southwest side of the valley, foot of Thomas Mtn., west of Hwy 74 on south side of Ramona Truck Trail 1402 Comment
  SEINET10458394  Nemacladus longiflorus Boyd 1986-4-22 BOYD 1753 Riverside Temescal Canyon: Alluvial benches of Indian wash just south of Interstate 15 Comment
  RSA583742  Nemacladus pinnatifidus Steve Boyd 1995-4-24 8489 Riverside Palomar Range, eastern edge of the Agua Tibia Wilderness Area, west of Devil's Hole, along the Wildhorse Trail at a saddle near the corner of section 35. 701 Comment
  SD260929  Nemacladus ramosissimus Andrew C. Sanders, D. Malueg 2003-5-8 26570 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 (Murrieta 7.5'Q) 395 Comment
  UC110963  Nemacladus ramosissimus T. S. Brandegee Apr 1901 Riverside Colorado Desert Comment
  RSA663590  Nemacladus tenuis var. aliformis Marcus E. Jones 1926-2-26 s.n. Riverside Near Shaver's Well. Comment
  RSA439263B  Nemacladus tenuis var. tenuis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SBBG7470  Nemacladus tenuis var. tenuis H. and M. Dearing 1937-4-10 1834 Riverside Thousand Palms Cyn Comment
  UCR91423  Nemophila menziesii Scott D. White 1995-3-30 2660 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA0060576  Nemophila menziesii subsp. menziesii Bob Rogers 1984-4-28 26 Riverside Collected on North-facing slope adjacent ot and on the South side of Highway 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1219 Comment
  RSA0036809  Nicotiana glauca Bob Rogers 1984-4-21 17 Riverside Along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  UCR174248B  Nicotiana glauca A. C. Sanders, T. B. Salvato 2006-6-2 33067 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JOTR28913  Nicotiana obtusifolia La Doux, Tasha 2004-2-24 1148 Riverside Joshua Tree National Park. Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  RSA0018763  Nicotiana obtusifolia N. R. Zabriskie, Walter Zabriskie 1972-3-27 474 Riverside ''North Canyon'', Andreas Canyon watershed, east slope San Jacinto Mts. 366 Comment
  UCR232046  Nicotiana quadrivalvis John F. Green 2008-4-15 0408- 09 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
  UCR235078  Nicotiana quadrivalvis A. C. Sanders, John F. Green 2012-6-1 40235 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, just SE of I-15 junction with Horsethief Cyn. Rd., c. 7 miles N of Lake Elsinore 377 Comment
  CLARK-A1045-307  Nicotiana trigonophylla George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  CAS-BOT-BC131882  Nolina parryi Peter H. Raven 1959-5-18 14246 Riverside 0.9 miles south of Mountain Center on road to Aguanga, San Jacinto Mountains Comment
  RSA58889  Nolina parryi Philip A. Munz 1950-6-23 14919 Riverside 1.5 miles SE of Kenworthy, on road toward Coahuilla and Aguanga. 1524 Comment
  UC575034  Nolina parryi C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  CAS-BOT-BC71163  Notholaena californica Ivan Johnston 1917-4-4 1052 Riverside Palm Canyon 304 Comment
  UC371114  Notholaena californica Miss M. A. King 1893-1 Riverside Menifee Comment
  CHSC8395  Oenothera Edward L. Smith 1957-4-3 234 Riverside 1 mi. n on hwy. 99 to 29 Palms. San Bernardino Mts. 91 Comment
  UC873908  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR281884  Oenothera californica subsp. californica R. E. Riefner Jr. 2017-9-4 17- 452 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  RSA778490  Oenothera deltoides Duncan S. Bell 2009-3-8 57 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCD106847  Oenothera deltoides Richard Bates 1949-4-28 s.n. Riverside Sand dunes, Cathedral City, southeast of Palm Springs. Comment
  RSA144927  Oenothera deltoides subsp. deltoides J. W. MacSwain, R. W. Thorp 1959-3-7 59 -47 Riverside 2 miles west of Hopkins Well. Comment
  CLARK-A1045-127  Oenothera micrantha var. exfoliata George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  CDA38176  Oenothera pallidula M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  RSA719038  Oenothera primiveris Michael Honer 2005-3-11 2062 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCR40267  Olea europaea Steve Boyd 1985-7-23 1004 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 5.5 mi west of Rancho California 396 Comment
  SBBG25820  Oligomeris linifolia E. R. Blakley 1966-4-9 6748 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  SBBG2641  Oligomeris linifolia H. and M. Dearing 1942-2-12 4801 Riverside Cathedral City Comment
  POM348469  Olneya tesota Anstruther Davidson 1928-05 s.n. Riverside Colorado Desert. Comment
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Dec 14 2015
  UCR225721  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  SEINET9037810 Image available Opuntia basilaris M. A. Baker, Michelle Cloud-Hughes 2015-1 18413 Riverside San Gorgonio River, 2km SW of Cabazon, 27km WNW of central Palm Springs, 14km WSW of the historical site of Whitewater 513 Comment
  LA26723  Opuntia basilaris var. basilaris William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  POM274050  Opuntia bigelovii var. bigelovii Lyman Benson 1933-3-31 4182 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UCR41414  Opuntia engelmannii A. C. Sanders 1984-4-21 5016 Riverside San Jacinto Mountains, Garner Valley, 0.25 mi NW of Kenworthy Ranger Station. Comment
  JEPS66898  Opuntia polyacantha W. L. Jepson 1901-5-22 1384 a Riverside between Van Deventer Flats and Santa Rosa Indian Village (probably towards Toro Peak); Santa Rosa Mts. Comment
  UCR267291  Orcuttia californica Tom Griggs 1976-6-16 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burrro 610 Comment
  SBBG7247  Orobanche cooperi H. and M. Dearing 1937-4-10 1121 Riverside 10 mi N of Indio Comment
  UC68787  Orobanche cooperi E. E. Schellenger Riverside Colorado Desert, Santa Maria Mountains Santa Maria Mountains; Colorado Desert, Santa Maria Mountains Comment
  SEINET10500313  Orobanche cooperi David B. Dunn 1946-2-23 Dunn 1987 Riverside Collected in a sandy wash bed beside a boulder in Grotto Canyon. Comment
  SEINET10902575  Orobanche cooperi David B. Dunn Dunn 2031 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  UC1608240  Osmadenia tenella Steve Boyd, Tim Ross 1992-5-4 7182 Riverside e of Verdugo Potrero; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar Comment
  UCR90394  Oxalis californica D. L. Banks, Steve Boyd 1995-5-9 0360 Riverside NW Palomar Mtns., North of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtns, the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 793 Comment
  UCR19404  Oxalis corniculata C. S. Papp 1963-6-10 269 Riverside Collector's backyard in Riverside [Papp residence] Comment
  UCR165195  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Highway 243, turnoff to Black Mtn. Road, c. 2 mi SE of Lake Fulmor 1643 Comment
  UCR18187  Oxytheca emarginata A. C. Sanders 1978-4-30 865 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  POM12807  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat. 1707 Comment
  UCR201632  Oxytheca trilobata Scott D. White, Justin M. Wood 2008-6-16 12130 Riverside San Jacinto Mountains, Fobes Ranch Road north of Quinn Flat 1463 Comment
  RSA650116  Paeonia californica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  CAS-BOT-BC327920  Palafoxia arida John H. Thomas 1957-3-30 6528 Riverside 8.1 miles E of Cactus City, about 13 miles E of Coachella. near US Hwys 60 and 70. Colorado Desert. 518 Comment
  RSA763994  Palafoxia arida Justin M. Wood, D. M. Ray 2010-10-21 3003 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  JEPS30724  Palafoxia arida var. arida Peter H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass E of Banning 396 Comment
  UCR82985  Panicum capillare A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15810 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CLARK-A1528-80  Panicum capillare var. occidentale John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  SBBG57166  Panicum urvilleanum M. N. Ackley 1928-4-4 Riverside near Edom 64 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
  CAS-BOT-BC413394  Parietaria hespera var. hespera Milo S. Baker 1928-4-3 2779 a Riverside Palm Canon [Canyon] Comment
  SBBG89555  Parkinsonia aculeata J. Adams 1965-5-9 211 Riverside northern section of Palm Springs on Hwy 111 243 Comment
  SEINET10940084  Parkinsonia florida Billy Joe Cox 1975-4-23 Cox 4137 Riverside 1-3 km W, (ca 32 m S of Blythe). 70 Comment
  RSA0054913  Parkinsonia microphylla W. Marquart 1938-3-12 s.n. Riverside Fifteen mi. west of Blythe. Comment
  RSA704040  Parosela spinosa Anonymous s.n. Riverside Colorado Desert. Comment
  UCR95742  Paspalum dilatatum D. L. Banks, V. W. Steinmann 1996-4-20 0902 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 524 Comment
  SFV11423  Pectis papposa var. papposa M. L. Vincent, R. H. Swade 1963-10-19 447 Riverside Within 3 miles of California State Highway 74 (Pines to Palms Highway) as highway crosses Santa Rosa Indian Reservation. About 1.5 miles west of Santa Rosa summit. 1503 Comment
  UCR108481  Pectocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16228 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR97470  Pectocarya anisocarpa A. C. Sanders 1997-3-1 19754 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA610586  Pectocarya linearis R. S. Woglum 1938-5-1 1605 A Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  RSA604848  Pectocarya linearis subsp. ferocula Scott D. White 1995-3-30 2644 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  RSA614669  Pectocarya linearis subsp. ferocula Scott D. White 1997-2-28 4726 Riverside SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  UC25023  Pectocarya linearis subsp. ferocula Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR35181  Pectocarya penicillata L. B. Ziegler 1972-5-18 462 Riverside San Jacinto Mtns., Upper Pipe Creek (drains into Hemet Valley) 1585 Comment
  UCR85078  Pectocarya penicillata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16039 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CLARK-A1528-2252  Pectocarya platycarpa John C. Roos 1937-5-2 1838 Riverside Frost Reservoir Comment
  UC2015552  Pectocarya platycarpa A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15995 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR174086  Pectocarya recurvata A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32548 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  UCR177295  Pectocarya recurvata Scott D. White 2003-3-23 8834 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR228848  Pectocarya recurvata A. C. Sanders, Nathan Moorhatch 2011-3-22 38791 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  POM281157  Pedicularis densiflora Ethel Rush 1951-4-12 170 Riverside 1 mi. south of Aguaga, Hyway 79. Agua Tibia Mts. Loam soil. Lake Henshaw drainage, loam soil. west slope. Comment
  POM12747  Pedicularis semibarbata Philip A. Munz 1922-7-6 6020 Riverside Between Hidden Lake and Round Valley. 2561 Comment
  RSA686749  Pellaea andromedifolia var. andromedifolia Christopher Davidson, B. Gustafson 1977-4-7 5592 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  RSA686922  Pellaea mucronata subsp. californica T. R. Pray 1956-11-11 1057 Riverside Santa Rosa Mountain, S side of summit ridge 2439 Comment
  RSA686885  Pellaea mucronata var. mucronata P. A. Munz 1949-4-13 13048 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  UC1080396  Pellaea mucronata var. mucronata E. K. Balls and P. C. Everett 1957-8-20 22673 Riverside 14.7 mi sw and w along State Hwy 74 from Palm Village (junction with State Hwy 111) 1127 Comment
  JEPS11253  Penstemon centranthifolius C. V. Meyer June 1927 272 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow Comment
  UCR133452  Penstemon centranthifolius Tracy Tennant, J. S. Ross 1998-5-7 MOR- 80 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  CAS-BOT-BC265292  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-29 15154 Riverside Deep Canyon, Santa Rosa Mountains 1066 Comment
  RSA284585  Penstemon labrosus C. W. Tilforth, John Dourley 1980-7-15 2072 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  RSA6012  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  JEPS13909  Penstemon rostriflorus P. A. Munz 1922-7-6 6007 Riverside Tahquitz Valley trail from Fern Valley San Jacinto Mts., Tahquitz Valley trail 2133 Comment
  CLARK-A1528-877  Penstemon spectabilis C. M. Flanagan 1973-5-20 OO 528 Riverside Morongo Indian Reservation 1158 Comment
  RSA2593  Penstemon spectabilis J. T. Howell 1928-7-9 1061 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  NY661194  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25279 Riverside Route 74, 7-8 miles east of Hemet 548.6 Comment
  UC1478709  Pentachaeta aurea C. W. Tilforth and B. Busenberg 1980-6-10 1977 Riverside on n leg of Thomas Mtn. Rd. 0.1 mi n Hiway 74 (1 mi s of Lake Hemet) 1386 Comment
  UCR34884  Pentachaeta aurea L. B. Ziegler 1966-6-21 056 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
  SEINET9628509 Image available Pentagramma triangularis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23110 Riverside Along steep bank, 10 mi N of Pala, along road to Elsinore. Comment
  SEINET6626631  Pentagramma triangularis subsp. maxonii S. B. Parish 1907-4-18 6114 Riverside Western base of the Colorado Desert 200 Comment
  UCR227004  Peritoma arborea Jim Andre 2011-2-2 16235 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  CAS-BOT-BC77488  Peritoma arborea var. angustata B. D. Stark 1932-6-15 1524 Riverside Colorado Desert, Eagle Mts., above Utopia 228 Comment
  HSC79980  Peritoma arborea var. arborea James Henrickson 1973-3-18 8610 Riverside 33 mi. E of Temecula, 5-7 mi. SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon, in wash of Coyote Canyon 762 Comment
  CLARK-A1528-2022  Perityle emoryi John C. Roos 1946-12-7 3183 Riverside Pushawalla Palms Comment
  POM301786  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  POM7074  Perityle emoryi P. A. Munz 1919-5-7 2779 Riverside Tahquitz Canyon 244 Comment
  UC1719674  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11214 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 siphon station. Within boundaries of U.S. Navy's Chocolate Comment
  UCR269872  Perityle emoryi A. C. Sanders, Jim Malusa 2016-3-18 42364 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA445158  Petalonyx thurberi A. Menke 1955-5-22 s.n. Riverside Palm Springs Station. Comment
  POM264161  Petunia parviflora J. C. Roos 1937-6-7 498 Riverside South of Sage. Comment
  JEPS37154  Peucephyllum schottii W. L. Jepson 1927-4-12 11682 Riverside Painted Canyon Mecca Hills 76 Comment
  POM98817  Peucephyllum schottii P. A. Munz 1926-1-31 9955 Riverside Dos Palmos [Palmas] Spring. Comment
  UC1546692  Peucephyllum schottii Barry A. Prigge 1988-2-21 7848 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR60642  Peucephyllum schottii C. B. Wolf 1932-4-26 02980 Riverside Sonoran (Colorado) Desert, 8 mi east of Mecca, on Blythe Road 183 Comment
  RSA125596  Phacelia affinis Peter H. Raven 1958-5-5 12906 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  RSA426004  Phacelia ambigua N. C. Cooper 1949-4-8 3259 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  UCR232514  Phacelia ambigua var. ambigua Dave Silverman 2010-3-30 7889 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 183 Comment
  CLARK-A1656-667  Phacelia bicolor Lois Ann Scott 1978-3-28 Riverside Joshua Tree National Park 1066 Comment
  POM263071  Phacelia campanularia J. C. Roos 1937-4-18 678 Riverside Whitewater, Colorado Desert. Comment
  POM178002  Phacelia campanularia subsp. vasiformis Marcus E. Jones 1930-3-15 26506 Riverside Eagle Mountains. Comment
  CSUSB130  Phacelia cicutaria Bob Sullivan 1966-3-10 Riverside 100 yards east of railroad tracks on corner of Tamescal Street and Comtom Ave. -near city of Corona 259 Comment
  RSA680847  Phacelia cicutaria var. hispida Scott D. White, Michael Honer 2003-4-2 8907 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  RSA0043233  Phacelia crenulata var. ambigua Duncan S. Bell 2010-5-1 882 A Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  CLARK-A1045-319  Phacelia distans George K. Helmkamp 1977-3-20 Riverside Morongo Indian Reservation edge of Hathaway Creek, west of the Malki Museum; Cabazon 7.5'Q Comment
  JEPS2002  Phacelia distans W. L. Jepson 12567 Riverside n Mecca; Colorado Desert, Eagle Mts., Cottonwood Spr. 731 Comment
  RSA426250  Phacelia distans H. de Forest, Jack Rempel 1934-4-14 19807 Riverside San Gorgonio Pass. 602 Comment
  UC1537521  Phacelia distans Gordon H. True Jr. 1935-2-27 27 Riverside Box Springs 365 Comment
  UC881082  Phacelia distans I. W. Clokey and E. G. Anderson 1930-4-11 4681 Riverside n Palm Springs; Colorado Desert 170 Comment
  POM289797  Phacelia distans Lyman Benson 1933-3-31 4178 Riverside Beginning of Hemet Road, San Jacinto Mt. Colorado Desert. 579 Comment
  SEINET5760623  Phacelia fremontii N. H. Holmgren, P. K. Holmgren 1974-4-2 7575 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms). 1311 Comment
  JEPS4091  Phacelia minor Rimo Bacigalupi and J. F. MacBride 1952-3-30 3552 Riverside along US 395 2.6 mi n Murrieta (between Wildomar and Murrieta, sw Riverside Co.) Comment
  OBI8236  Phacelia minor David J. Keil, Malcolm McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  UC1537525  Phacelia minor Gordon H. True Jr. 1935-2-20 2 Riverside Box Springs Sycamore Canyon (lower end of canyon) 365 Comment
  UCR214880  Phacelia neglecta A. C. Sanders 2010-3-15 37395 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA494633  Phacelia ramosissima var. latifolia Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA74706  Phacelia rotundifolia F. W. Peirson 1919-4-13 4125 Riverside Alkali Canyon, eastward from Palm Canyon; Colorado Desert. Comment
  RSA291570  Phalaris aquatica C. W. Tilforth, B. Busenberg 1980-6-17 2022 Riverside Flat at large telephone signal reflector panel, south end of Thomas Mountain Road, south of Lake Hemet and west of Hwy 74 Comment
  RSA206251  Phlox austromontana Reid V. Moran 1968-8-3 15364 Riverside 1 mile NW of Toro Peak. 2250 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
  SEINET8000821  Pholistoma membranaceum Ana Lilia Reina G. 2003-3-30 2003 -324 Riverside Palm Canyon, Agua Caliente Indian Reservation, edge of Palm Spring NWbase of San Jacinto Mountains 274 Comment
  UCR42516  Pholistoma membranaceum P. J. Leary 1975-2-25 944 Riverside SE Mojave Desert, Joshua Tree National Monument, 2.3 SE of Aqua Peak. Coxcomb Mtns 976 Comment
  UCD102028  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  CAS-BOT-BC135068  Phoradendron californicum Del Wiens 1953-12-5 866 Riverside Several miles S of Cottonwood Springs, Joshua Tree National Monument 213 Comment
  CAS-BOT-BC135069  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near Junction of road from S end of Joshua Tree National Monument and US 60 and 70 152 Comment
  JEPS42602  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Colorado Desert, Indian Wells Comment
  RSA601648  Phoradendron californicum Louis C. Wheeler 1956-2-25 7176 Riverside Deep Canyon, south of Palm Desert. Comment
  RSA770423  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4878 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
  RSA772004  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4968 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  JOTR30780  Phoradendron densum La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1890 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 7) Covington Flats near top of Smith Water Canyon 1365 Comment
  POM106001  Phoradendron villosum Marcus E. Jones 1882-6-29 11723 Riverside [Unspecified] Comment
  SEINET2097189  Phragmites australis R. Harms 2003-4-1 Riverside San Andreas Oasis, Dos Palmas Reserve; -15 Comment
  RSA339665  Physalis crassifolia Robert F. Thorne, C. W. Tilforth 1980-5-28 54195 Riverside W-facing slope of Whitewater ridge above old bridge. San Bernardino Mtns. Comment
  RSA555225  Physalis crassifolia Robert F. Thorne 1966-10-15 41820 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA80966  Physalis crassifolia G. R. Campbell 1952-4-6 18415 Riverside 2 mi. s. of jct. of Cottonwood Springs road, road through Joshua Tree National Monument, south from 29 Palms. 884 Comment
  UCR242119  Physalis crassifolia Jim Andre 2011-2-9 15923 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
  UCSB22460  Physalis crassifolia Anthony, Jean 1965-2-28 Riverside 1 mile west of Jefferson Street on Avenue 58 southwest of Coachella Comment
  RSA234022  Pilularia americana R. F. Thorne, Earl Lathrop 1969-5-12 37919 Riverside Santa Rosa Plateau: Large vernal marsh on S end of Mesa de Colorado, Rancho California 625 Comment
  LA6049  Pinus contorta subsp. murrayana Virginia Mars; 1951-5-26 sn Riverside San Jacinto Mountains, Tahquitz Peak 2285 Comment
  UC64431  Pinus coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1313 Riverside Johnston Ranch San Jacinto Mt. 1354 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
  CAS-BOT-BC78594  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  CAS-BOT-BC78596  Pinus flexilis Winifern W. Swarth 1915-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  RSA5238  Pinus flexilis C. B. Wolf 1932-8-5 3982 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA682885  Pinus flexilis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1448 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA762002  Pinus lambertiana Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 654 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR55209  Pinus lambertiana J. A. Adams 1965-7-3 341 Riverside San Jacinto Mtns., Azalea Canyon above campground 1829 Comment
  UCSB82  Pinus lambertiana Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  CAS-BOT-BC79094  Pinus quadrifolia C. B. Wolf 1931-5-11 1947 Riverside near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1706 Comment
  CAS-BOT-BC79096  Pinus quadrifolia H. M. Hall 1901-6-1 2139 Riverside Santa Rosa Mountains, Coyote Canyon 1524 Comment
  OBI69339  Pinus quadrifolia David Charlton 1988-5-21 1908 Riverside Thomas Mtn Rd, from N to S. W of GarnerValley and S of Lake Hemet on hwy 74 1676 Comment
  RSA614474  Piperia cooperi Darin L. Banks 1997-4-5 1701 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of Wilderness Area boundry, along tributary of north fork of Pechanga Creek. 445 Comment
  UCR135821  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert, Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. -70 Comment
  CHSC35499  Plagiobothrys Ken Cole 1972-4-29 M- 14 Riverside 21 mi. SW of Murrieta on Tenaja Rd.; near vernal pool. 655 Comment
  RSA192087  Plagiobothrys arizonicus E. W. Lathrop 1960-6-7 4851 Riverside 14 miles W of Murrieta Comment
  SEINET4691425  Plagiobothrys arizonicus T. B. Salvato, Tracy Tennant 1998-1 MOR- 1217 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03. 793 Comment
  RSA736297  Plagiobothrys canescens Scott D. White, Jamie Minor 2008-3-13 11768 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR116792  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24154 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR152647  Plagiobothrys canescens A. C. Sanders 2005-4-22 29598 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR98061  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  JOTR32305  Plagiobothrys canescens var. canescens La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3237 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UC1563092  Plagiobothrys collinus Steve Boyd 1986-3-1 1370 Riverside Gavilan Plateau, Gavilan Hills: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR150243  Plagiobothrys collinus John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  POM12984  Plagiobothrys collinus var. fulvescens P. A. Munz, I. M. Johnston 1922-5-19 5417 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA80213  Plagiobothrys kingii F. W. Peirson 1922-4-29 2924 Riverside Field S of Lake Elsinore 375 Comment
Read comments
Dec 19 2018
  SD224886  Plagiobothrys leptocladus A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18048 Riverside San Jacinto River between Neuvo and Lakeview, from 11th to 13th Streets, alkaline flats among the E side of the river channel. 433 Comment
  UCR111996  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2000-5-25 23421 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR25972  Plagiobothrys leptocladus John C. Roos 1952-4-23 5572 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  CLARK-A1528-340  Plagiobothrys nothofulvus unknown 1966-3-24 Riverside Pedley Comment
  SEINET7073470  Plagiobothrys tenellus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR20739  Plagiobothrys tenellus A. C. Sanders, Steve Boyd 1980-5-2 1407 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR20819  Plagiobothrys undulatus A. C. Sanders 1980-5-17 1464 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  RSA401992  Plantago erecta Ora M. Clark 1929-4-6 1960 Riverside S of Hemet. Comment
  CSUSB1312  Plantago insularis Robert A. Clark 1966-3-5 3566 3 Riverside Mecca rural; 2 miles east of Mecca on State Highway 195 on marginal agricultural land adjacent to Creosote bush scrub. -57 Comment
  CLARK-A1656-642  Plantago insularis var. fastigiata Lois Ann Scott 1978-4-6 Riverside Mecca 269 Comment
  RSA650895  Plantago major Robert Lindgren 1948-2-10 s.n. Riverside Covina. 183 Comment
Read comments
Feb 17 2013
  UC1330003  Plantago ovata James E. Cole 1941-4-13 547 Riverside Old Dale Joshua Tree National Monument 396 Comment
  UC450059  Plantago ovata Ivan Johnston Apr 4 1917-Apr 6 1917 1006 Riverside near Palm Springs; Colorado Desert 152 Comment
  RSA402032A  Plantago ovata var. fastigiata Robert L. Dressler 1949-3-19 383 Riverside Box Canyon, Orocopia Mts. Comment
  UCSB6247  Plantago ovata var. fastigiata Haller, John 1960-4-2 Riverside south side of U.S. highway 60-70; 5.8 miles east of Desert Center 243 Comment
  RSA401709A  Platanus racemosa A. Menke 1955-4-25 s.n. Riverside Andreas Canyon, Palm Springs. Comment
  UCR280925  Platanus racemosa Mitch Provance 2017-5-25 517- 64 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  RSA766067  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine St. at Peach Tree St. 341 Comment
  RSA414081  Pleuraphis rigida J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  UCR30078  Pleurocoronis pluriseta George K. Helmkamp 1983-4-5 483- 19 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CAS-BOT-BC326543  Pluchea sericea Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-28 484 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 609 Comment
  UC51606  Pluchea sericea Jos. Burtt Davy 1902-3-25 7931 Riverside Indio Comment
  UCR135982  Pluchea sericea A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27904 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  RSA0021398  Pluchea sericea L. F. LaPre, D. Hogan 1982-5-18 s.n. Riverside Salt Creek at the powerline crossing Comment
  SD144112  Poa howellii A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20646 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
  UCR106332  Polygonum aviculare John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  POM2363  Polygonum bistortoides I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UC219083  Polygonum bistortoides P. A. Munz 1922-7-6 6001 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  UC582926  Polygonum hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside below Rincon; Santa Ana River Comment
  UCR122569  Polygonum hydropiperoides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5985 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  SEINET269333  Polygonum lapathifolium Karen Kirtland 1993-6-19 Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles south of the San Jacinto Riv 430 Comment
  RSA29893  Polygonum punctatum Louis C. Wheeler 1932-9-4 1320 Riverside Santa Ana River at Chino Creek. 183 Comment
  RSA162794  Polypodium californicum J. D. Olmsted 1959-4-23 459 Riverside Spring Trail at Beacon Pines Ranch; 9 mi. SW of Corona, Santa Ana Mountains 732 Comment
  RSA583360  Polypodium californicum Steve Boyd, Darin Banks 1995-4-5 8419 B Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA701407  Polypodium californicum Steve Boyd, Aydee Virgen 2004-4-13 10894 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CSUSB467  Polypogon monspeliensis Richard Sayre 1972-5-20 Riverside Santa Ana River Santa Ana River; Jurupa Avenue, in city of Riverside. Comment
  UC472732  Polypogon monspeliensis A. S. Hitchcock 1918-3-27 Riverside Colorado Desert Palm Springs; , Palm Springs 100 Comment
  UCR229272  Polypogon monspeliensis Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  UCR260191  Polystichum imbricans Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4997 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  POM360758  Populus fremontii E. Crow 1929-4-21 334 Riverside North of Alberhill. Comment
  UCR225586  Populus fremontii A. C. Sanders, T. B. Salvato 2011-3-29 38865 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, gentle alluvial slope along powerline corridor east of Goetz Rd., west of Wheat St. 450 Comment
  RSA775493  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4416 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SEINET10858335  Populus fremontii subsp. fremontii Nye Leith, Greg Gust 2005-3-11 Nye 64 Riverside Lake Elsinore. Mission Trail Rd. Ca. 1 mile S of the intersection of Mission Trail on Malaga Rd.. Comment
  HSC24978  Porophyllum gracile Richard Spjut 1972-2-1 2166 Riverside Colorado Desert: N face of Chuckawalla Mts. ca. 3-4 mi. S of Desert Center 305 Comment
  RSA339248  Portulaca halimoides R. F. Thorne 1979-8-22 53590 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  CAS-BOT-BC267207  Potamogeton foliosus Thorne; P. A. Munz; E. Lathrop 1968-5-8 37593 Riverside Santa Rosa Plateau: near roadside, Rancho California 609 Comment
  HSC83831  Potamogeton foliosus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47291 Riverside Santa Rosa Plateau, Rancho California near junction of road to Santa Rosa Ranch from Tenaja Rd. 549 Comment
  RSA797661  Potentilla glandulosa subsp. glandulosa Robert F. Thorne, E. W. Lathrop 1977-5-18 49765 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  RSA774312  Prenanthella exigua Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2188 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR236546  Prosopis glandulosa Carolyn Martus, Joseph A. Betzler, Chezzy W. Brungraber, Lance Woolley 2008-4-15 1216 Riverside Sonoran (Colorado) Desert, 30 miles west of Blythe near Palen Dry Lake, about two miles SSE from the north end of Palen Dry Lake, access via Corn Springs exit from I-10 140 Comment
  SEINET11132263 Image available Prosopis glandulosa G. B. Grant 1906-5-1 1043 -6721 Riverside Colorado desert at Palm Springs, southern California Comment
  POM46913  Prosopis glandulosa var. torreyana Mary F. Spencer 1918-3-4 737 Riverside Palm Springs. 137 Comment
  RSA0042162  Prosopis glandulosa var. torreyana Duncan S. Bell, Evan Meyer 2014-4-2 6525 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA87020  Prosopis glandulosa var. torreyana F. W. Peirson 1914-04 1995 Riverside Whitewater at head of Coachella Valley. Comment
  SEINET3269556 Image available Prosopis glandulosa var. torreyana M. F. Wojciechowski 2000-4-5 875 Riverside Ca. 5 mi north of Blythe along US 95. Comment
  UCR251947  Prosopis glandulosa var. torreyana Max Brodie 2014-4-6 11 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  UCR48506  Prosopis glandulosa var. torreyana Steve Boyd 1986-4-10 1646 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  UCSB28886  Prosopis glandulosa var. torreyana Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  POM19660  Prunella vulgaris var. lanceolata Mary F. Spencer 1923-7-23 2236 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  SEINET10943907  Prunus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12848 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UC219556  Prunus emarginata P. A. Munz 1922-7-6 6032 Riverside between Tahquitz and Round Valley (San Jacinto Mountains); San Jacinto Mountains 2225 Comment
  LA208122  Prunus fasciculata J. Warren; 1952-5-25 sn Riverside 5 mi. W of Palm Desert 914 Comment
  RSA453231  Prunus fasciculata M. B. Dunkle 1934-2-25 3851 -b Riverside Dry Morongo, Colorado Desert. 244 Comment
  RSA86861  Prunus fasciculata F. W. Peirson 1928-4-24 7915 Riverside Plateau land west of Cottonwood Springs, northeast of mecca. Comment
  JEPS89201  Prunus fremontii Rimo Bacigalupi and L. Heckard, P. C. Hutchison 1962-3-23 8366 Riverside 1.5 mi above and s of Seven Level Hill (at base of Black Hill, along state hwy 74, 11.5 mi above and s of beginning of hwy 74 at Palm Desert); Black Hill 911 Comment
  UCR120721  Prunus fremontii Helen Kennedy, T. B. Salvato 2002-2-2 5442 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  CLARK-A1528-4034  Prunus ilicifolia John C. Roos 1940-5-4 Riverside San Timoteo Canyon Comment
  POM49853  Prunus ilicifolia Philip A. Munz, I. M. Johnston 1924-7-29 8875 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  POM126246  Psathyrotes ramosissima Thos. Craig 1927-4-2 61 Riverside Canyon near Hidden Springs. Comment
  UCR281574  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 81 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  PASA2297  Psilocarphus globiferus Frank W. Peirson 1922-4-29 Riverside Lake Elsinore 380 Comment
  UCR18158  Psoralea californica A. C. Sanders 1978-4-30 00362 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  CAS-BOT-BC346358  Psorothamnus Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CAS-BOT-BC346359  Psorothamnus W. R. Dudley 1895-1-1 s.n. Riverside Colorado Desert near Palm Springs Station Comment
  CHSC845  Psorothamnus arborescens var. minutifolius M. Anthony 1954-4-15 Riverside Comment
  CAS-BOT-BC353630  Psorothamnus emoryi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA293531  Psorothamnus emoryi C. W. Tilforth 1979-8-8 1907 Riverside S edge of Palm Desert along Highway 74, SE of Palm Springs, Riverside Co. 76 Comment
  RSA651257  Psorothamnus emoryi Anne Greenberg 1981-5-17 104 Riverside Palm Desert, Hwy 74, 5 iles N of Hwy 111. Comment
  RSA776384  Psorothamnus emoryi Amber Swanson 2011-4-8 371 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  CAS-BOT-BC340910  Psorothamnus schottii H. M. Hall 1905-4-1 5781 Riverside Colorado Desert. 10 miles west of Coachella 152 Comment
  UC1129839  Psorothamnus schottii H. S. Yates 1936-4-7 5435 Riverside 2 mi se Willis Palms; Thermal Quad., se of Willis Palms Comment
  UC1280844  Psorothamnus spinosus H. E. McMinn 1935-6-27 4054 Riverside wash at foot Palms to Pines Highway at foot Palms to Pines Highway Comment
  CAS-BOT-BC72618  Pteridium aquilinum Carl B. Wolf 1932-8-4 3911 Riverside San Jacinto Mts., Point View, near Idyllwild 1645 Comment
  SD153019  Pteridium aquilinum var. pubescens Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7313 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UC218099  Pterospora andromedea P. A. Munz 1922-7-6 6009 Riverside Fern Valley San Jacinto Mts. (upper part, foot of zig-zag to Tahquitz Valley) 1828 Comment
  RSA552699  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6707 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCD100915  Pterostegia drymarioides Steve Boyd 1986-3-1 1358 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR19271  Pterostegia drymarioides John C. Roos 1952-3-19 5397 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  CAS-BOT-BC362148  Pulicaria paludosa A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke; et al 1996-11-23 19661 Riverside San Bernardino Mtns.: Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  SD181686  Pulicaria paludosa Scott D. White 2001-6-29 8630 A Riverside Menifee Valley, ca. 1.4 miles southwest of the I-215/Newport Road interchange, northwest of the intersection of Holland Road and Bradley Road. 438 Comment
  UCR82892  Pulicaria paludosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15820 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  JOTR37466  Purshia tridentata var. glandulosa Hodges, Stephen, T. Green 2016-5-5 588 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  UC72989  Purshia tridentata var. tridentata M. F. Gilman 1904-1 36 Riverside Banning Comment
Read comments
Mar 13 2011
  UCR264642  Quercus Mitch Provance 2012-4-27 412- 21 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR278376  Quercus Mitch Provance 2012-9-5 912- 09 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCD47065  Quercus X munzii Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
  POM263040  Quercus agrifolia J. C. Roos 1937-8-19 358 Riverside Near summit, Pines to Palms Road 1433 Comment
  RSA614235  Quercus agrifolia A. C. Sanders, G Helmkamp 1997-3-15 19979 Riverside Lake Skinner area, N foot of 1700 ft. hill E of Bachelor Mtn., 488 Comment
  UCSB1042  Quercus agrifolia var. oxyadenia Neely, William 1948-10-3 Riverside above Pinyon Flats, Santa Rosa Mts. 1193 Comment
  RSA180379  Quercus berberidifolia E. W. Lathrop 1965-4-4 5643 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR106880  Quercus berberidifolia Richard Minnich 1997-11-9 s.n. Riverside Box Springs Mountains, N-facing slope in canyon south of Two Trees Canyon & ESE of end of Blaine Street 457 Comment
  UCR106910  Quercus berberidifolia D. L. Banks, Lauren Raz 1996-11-5 1165 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along a newly established firebreak along a E facing ridge south of the Southern fork of Pechanga Creek 488 Comment
  UCR121644  Quercus berberidifolia A. C. Sanders, Kent Beaman 2002-5-10 25055 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCD45468  Quercus chrysolepis Prof. Metcalf 1919-7-1 Riverside San Jacinto Mts, Riverside County, California. Comment
  UCR100826  Quercus chrysolepis A. C. Sanders, T. Tennant 1997-11-14 21606 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon 976 Comment
  UCR162623  Quercus chrysolepis S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  SBBG55971  Quercus cornelius-mulleri C. H. Muller, K. K. Muller 1983-4-15 11764 Riverside 0.5 mi S of Sage Forest Fire Stn, 13.4 mi S of Hemet 1639 Comment
  SEINET13953305 Image available Quercus cornelius-mulleri J. C. Roos 1965-1 Riverside Pinyon Flats, Santa Rosa Mountains 1219 Comment
  UCR118000  Quercus engelmannii J. Zabriskie 1978-9-10 1155 Riverside Santa Rosa Mtns, Boyd Deep Canyon Desert Research Center, intersection of Horsethief Creek and Cactus Spring Trail 1037 Comment
  UC338415 Image available Quercus macdonaldii var. elegantula Edw. L. Greene 1889-6-1 Riverside Temecula Canyon Comment
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Mar 27 2011
  UCR111532  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22278 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 2.7 mi. NW of Hwy 371 junction, 0.8 mi. NW of Devil's Ladder Rd. 1402 Comment
  UCR99864  Quercus palmeri Scott D. White 1996-12-26 4648 Riverside San Jacinto Mtns, Bautista Canyon, along Bautista Canyon. Road, near junction with Tripp Flats Road 1174 Comment
  UCSB34688  Quercus palmeri Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 11.5 mi east of Moutain Center on Calif. Hwy 74 Comment
  UCSB34691  Quercus wislizeni var. wislizeni Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 3.5 mi south of Idyllwild (1.4 mi n. of Mountain Center) on calif. Hwy 243, San Jacinto Mtns Comment
  UCR158717  Rafinesquia californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30017 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
  UCR213623  Rafinesquia californica A. C. Sanders, Matthew Malle 2010-4-23 37994 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR46703  Rafinesquia californica D. C. Hawks, Guy Bruyea 1987-4-14 s.n. Riverside Gavilan Hills, on Juniper Rd, 1 mi north of intersection between Juniper and Idaleona Rds 640 Comment
  POM15166  Rafinesquia neomexicana Mary F. Spencer 1922-3-23 1127 Riverside Painted Canyon, Mecca, Colorado Desert -30 Comment
  RSA554431  Rafinesquia neomexicana Theo Glenn 1992-3-31 92 -3 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  RSA799239  Rafinesquia neomexicana Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 746 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  SD258339  Rafinesquia neomexicana J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24401 Riverside Grommet; West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi SW of Vidal jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  SEINET192001  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside Joshua Tree National Monument ; Cottonwood Spring wash. Comment
  RSA95060  Rafinesquia neomexicana F. W. Peirson 1914-04 1476 Riverside Whitewater at head of Coachella Valley. Comment
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Apr 30 2011
  CAS-BOT-BC379419  Ranunculus alismifolius var. alismellus H. M. Hall 1901-7-1 2405 Riverside San Jacinto Mountains, in meadows or along creeks of Tamarack Valley 2804 Comment
  UCR202600  Ranunculus aquatilis Scott D. White, Justin M. Wood 2008-7-9 12442 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCD96158  Ranunculus hebecarpus Scott D. White; Dave Bramlet 22-23 Apr 1999 7233 Riverside Lake Skinner Area, ridgetop, north-, west-, and northwest facing slopes of Bachelor Mountain. 548 Comment
  CAS-BOT-BC334466  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke resience, 266 Frost Court, east edge of UCR campus 350 Comment
  UCR193307  Rhamnus californica subsp. tomentella A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35603 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1562 Comment
  UCR214903  Rhamnus crocea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37681 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, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  RSA0104672  Rhamnus ilicifolia Duncan S. Bell 2015-9-30 8692 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA391104  Rhamnus ilicifolia Christopher Davidson, B. Gustafson 1977-4-7 5596 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  UCR174565  Rhamnus ilicifolia Jennifer H. Jones 2006-6-6 398 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  RSA0026887  Rhododendron occidentale var. californicum Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA257006  Rhododendron occidentale var. californicum Gary D. Wallace, D. H. Wilken 1966-7-3 656 Riverside Just east of Idyllwild. Comment
  SD136941  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7001 Riverside Santa Ana Mountains, San Mateo Cnyn Wilderness Area. Indian Potrero Trail south from Verdugo Potrero on ridge between Talega Cyn and Nickel Cy Comment
  LA62867  Rhus ovata Harlan Lewis; 1939-10-23 1040 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  UCR149777  Rhus ovata Scott D. White, Michael Honer 2004-4-6 10045 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UC454753  Rhus trilobata I. J. Condit 1910-6-24 Riverside San Jacinto River Canyon Comment
  CAS-BOT-BC92415  Ribes aureum var. gracillimum Ellsworth Bethel 1920-8-3 s.n. Riverside Eden Hot Springs 10 miles north of San Jacinto. Comment
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  UCR125763  Ribes indecorum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25660 Riverside San Jacinto Mountains, Bautista Canyon, at road crossing of creek c. 1 mile above Alessandro Trail 930 Comment
  RSA511348  Ribes malvaceum var. viridifolium B. Pitzer 1988-1 661 Riverside San Jacinto Mts, Hwy 74 below Mtn Center at a large turn out. 1220 Comment
  UCR87942  Ribes malvaceum var. viridifolium A. C. Sanders 1994-1-30 14226 B Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  UCR5949  Ribes nevadense Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., above top of main waterfall a mile upstream from Banning-Idyllwild road on Fuller Mill Creek 1829 Comment
  RSA604839  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Lakeview Mountains; SW of Juniper Flat Road. 579 Comment
  UCR47052  Ribes quercetorum B. G. Pitzer, A. C. Sanders 1987-4-21 490 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  RSA262064  Romneya coulteri E. W. Lathrop 1966-3-23 6079 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  UCR234291  Romneya coulteri A. C. Sanders, John F. Green 2012-4-6 40013 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
  UCR172286  Rorippa nasturtium-aquaticum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA741187  Rosa californica Scott D. White, Justin M. Wood 2008-6-16 12121 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  SDSU9248  Rubus ursinus Thomas A. Zink 1971-4-1 Riverside Just south of Fairmont Park. 244 Comment
  RSA783124  Rumex J. D. Olmsted 1959-4-17 424 Riverside 3 miles north of Elsinore on Highway 71 in weedy area on east side of road 335 Comment
  UCR262248  Rumex crispus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3735 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR113969  Rumex obtusifolius Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA690941  Rumex salicifolius Scott D. White, Michael Honer 2003-5-27 9395 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  UCR167978  Rumex salicifolius T. B. Salvato, John F. Green 2004-5-27 652 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
  UCR90612  Rumex salicifolius var. denticulatus Scott D. White 1995-6-29 3398 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UC1178625  Rumex salicifolius var. salicifolius Peter Kamb 1948-7-3 1139 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UC850618  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1936-8-21 6601 Riverside Fuller Creek 1500 Comment
  UCR101300  Rumex violascens L. C. Wheeler 1955-6-10 7155 Riverside Sonoran (Colorado) Desert, Colorado River at John's Boat Landing Comment
  UCR157941  Sagina apetala T. B. Salvato, A. C. Sanders 2005-5-17 923 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
  UC56963  Salazaria mexicana F. Gilman 1902-1 7 Riverside Palm Springs Comment
  UCR85247  Salazaria mexicana A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15988 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR266335  Salicornia subterminalis D. E. Bramlet 1992-5-28 2294 Riverside Perris-Aguanga Basin region, west of Hemet, south of Florida Ave. and EMWD canal 457 Comment
  CAS-BOT-BC129703  Salix bonplandiana Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 392 Riverside Deep Canyon, north slope Santa Rosa Mountains 1316 Comment
  UC4990  Salix exigua var. hindsiana Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UC846161  Salix exigua var. hindsiana Crawford and Johnston 1917-6-9 1244 Riverside Santa Ana R. near Corona; Santa Ana R Comment
  CAS-BOT-BC108115  Salix gooddingii Carl Epling; Joseph Ewan 1933-5-12 7606 Riverside South shore Lake Elsinore Comment
  UCR231769  Salix gooddingii John F. Green 2008-4-21 02- 05 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  POM319276  Salix laevigata Patricia Wilder 1971-11-11 5310 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  CSUSB807  Salix lasiolepis P. A. Rauch 1966-4-5 Riverside One mile north of Idyllwild on Highway at Bear Trap Canyon Crossing. 1755 Comment
  UCR151975  Salix lasiolepis Steve Boyd, Aydee Virgen 2004-4-13 10847 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM13584  Salix lutea Philip A. Munz 1922-7-6 5980 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CAS-BOT-BC403760  Salpichroa origanifolia F. J. Willmarth 1964-6-15 s.n. Riverside Temecula Hotel, Temecula Comment
  HSC101582  Saltugilia australis Steve Boyd, Susan Jett 2008-3-20 11835 Riverside Peninsular Ranges; Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Highway Vehicle Area Comment
  RSA74956  Saltugilia australis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA772578  Saltugilia australis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5047 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  POM3540  Saltugilia splendens F. M. Reed 1908-7-13 2427 Riverside San Jacinto Mountains: Ridge north of Tahquitz Valley. 2500 Comment
  SD137724  Salvia apiana Darin L. Banks, Steve Boyd 1995-5-9 349 Riverside North of the Agua Tibia Wilderness Area. North slopae of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area. 730 Comment
  UC218132  Salvia apiana P. A. Munz 1922-7-3 5957 Riverside s slope Santa Rosa Mts. 1615 Comment
  UCR103172  Salvia apiana Scott D. White, Julie Greene 1997-3-12 4779 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  RSA0004067  Salvia apiana P. A. Munz, I. M. Johnston 1922-6-5 5170 Riverside Dry Morongo Wash, Colorado Desert. [county unspecified] Comment
  POM4128  Salvia columbariae Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains: Comment
  RSA33558  Salvia columbariae N. C. Cooper 1944-3-25 1006 Riverside Cabazon. 457 Comment
  RSA586092  Salvia columbariae D. L. Banks, Steve D. Boyd 1995-4-5 133 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  SEINET7072841  Salvia columbariae A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR120959  Salvia columbariae A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23884 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCSB5772  Salvia columbariae Graney, Don 1953-3-20 Riverside One half mile from White Water; up White Water Canyon Comment
  RSA0042827  Salvia greatae Duncan S. Bell, Deidre Conocchioli 2014-3-18 6251 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR18807  Salvia greatae John C. Roos, Lucille Roos 1949-4-6 4154 Riverside Sonoran (Colorado) Desert, [North] foot of the Chocolate Mountains, north of Pope. Salt Creek area 91 Comment
  SDSU7396  Salvia mellifera H. Wedberg 1962-4-20 900 Riverside 0.5 mile from Cranston Ranger Station on raod to Mountain Center, Idyllwild Mtns. 610 Comment
  UCR251936  Salvia mellifera Harun Bektas 2011-4-26 15 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCLA69837  Salvia mohavensis C. Epling 1937-11-26 Riverside White Tank; 29 Palms Comment
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Nov 5 2011
  CAS-BOT-BC224854  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UC104491  Salvia pachyphylla C. R. Orcutt 1896-7-30 2107 Riverside Summit of Tauquitz Peak; San Jacinto Mts. Comment
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Sep 7 2011
  UC219565  Salvia pachyphylla P. A. Munz 1922-6-25 5813 Riverside road from Vandeventer to Santa Rosa; Santa Rosa Mts. 1524 Comment
  CAS-BOT-BC233335  Salvia vaseyi S. B. Parish 1907-4-22 6164 Riverside Palm Canyon, western base of the Colorado Desert 200 Comment
  CSUSB691  Sambucus mexicana I. Rauch 1968-5-14 Riverside Santa Ana Mountains Santa Ana Mountains Comment
  UC1366098  Sambucus mexicana K. R. Montgomery 1969-9-6 69 -21 Riverside 18 mi s Hemet; Wilson Valley 1097 Comment
  UCR172784  Sambucus mexicana Wayne Law, Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR178335  Sambucus mexicana Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 657 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Potrero Canyon 793 Comment
  CLARK-A1528-7827  Samolus parviflorus John C. Roos 1937-6-19 23 Riverside Murrieta Comment
  RSA192210  Sanicula arguta E. W. Lathrop 1965-4-25 5674 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  UCR34988  Sanicula bipinnatifida N. J. Ziegler 1973-4-9 504 Riverside San Jacinto Mtns, foothills of San Jacinto Mtns, [near Radec] 15 mi. south of Sage, near Sage/Aguanga Rd. 765 Comment
  UC1611579  Sanicula crassicaulis Steve Boyd, Tim Ross 1993-3-23 7904 Riverside s of Vail Lake (at n base of Agua Tibia Mountain, Palomar Range, Cleveland Nat'l Forest, Agua Tibia Wilderness Area, along trail extending s from end of Woodchuck Rd.); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Wilderness 609 Comment
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Aug 1 2006
  UCR160690  Sanicula crassicaulis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  SDSU9908  Sarcodes sanguinea unknown 1935-5-1 Riverside Idyllwild Comment
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Jan 24 2013
  RSA0035179  Sarcostemma M. Bourell 1988-3-28 3511 Riverside Box Canyon, BLM California Conservation Area. E of Mecca on Hwy 195. 150 Comment
  UCR1613  Sarcostemma cynanchoides R. G. Barber 1962-5-8 78 Riverside Sycamore Canyon 306 Comment
  LA202872  Sarcostemma cynanchoides subsp. hartwegii Mary Reynolds; 1936-4-10 51 Riverside Palm Canyon Comment
  UC495324  Sarcostemma cynanchoides subsp. hartwegii P. A. Munz 1932-4-24 12397 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  CLARK-A1528-922  Schismus barbatus Patricia A. Andrews 1975-3-13 5900 Riverside Rubidoux Comment
  UCR129353  Schoenoplectus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 Riverside Santa Ana River Valley, along road on south side of Prado Flood Control Basin east of Prado Dam, east of Chino Hills 152 Comment
  UCR89763  Schoenoplectus acutus var. occidentalis Scott D. White 1993-5-27 1435 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UC840545  Scirpus americanus Ivan Johnston 1917-4-4 Riverside along creek (Palm Canyon, Colorado Desert, Southern California); Colorado Desert, Palm Canyon 274 Comment
  RSA487444  Scrophularia californica Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  SDSU13642  Scrophularia californica W. Miller, C. Mosse 1972-7-13 Riverside West of M.W.D. station. Comment
  UCR281202  Scutellaria bolanderi subsp. austromontana James Hughes 2017-6-21 s.n. Riverside San Jacinto Mountains, Fleming Ranch 1569 Comment
  POM12857  Scutellaria siphocampyloides P. A. Munz 1922-6-27 5854 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  SD135263  Scutellaria siphocampyloides Craig Reiser, Dylan Hannon 1993-5-31 Riverside N side of Santa Rosa Peak Comment
  UC1595563  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1991-5-22 6300 Riverside e of Dorland Mountain (base of Agua Tibia Mountain, w of Kolb Creek); Agua Tibia Mountain, Vail Lake area 548 Comment
  RSA206255  Sedum niveum Reid V. Moran 1968-8-3 15365 Riverside NE slope of Santa Rosa Mountain 2250 Comment
  RSA0074746  Sedum spathulifolium Scott D. White 2000-11-15 8148 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  CHSC21423  Selaginella bigelovii Robert A. Schlising; Et al 1963-12-14 2651 Riverside White Water Canyon, few miles north of White Water on Highway 60. Comment
  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
  RSA702732  Selaginella bigelovii Scott D. White, Michael Honer 2004-4-6 10057 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UC306715  Selaginella bigelovii I. M. Johnston 1917-4-4 1044 Riverside Palm Canyon 304 Comment
  SEINET10569125  Selaginella bigelovii Rose 1935-12-27 Rose 35706 Riverside Colorado Desert, Palm Canyon, dry rocky slopes. 305 Comment
  RSA0123161  Selaginella eremophila Duncan S. Bell, LeRoy Gross 2016-3-30 9162 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA85943  Selaginella eremophila Frank W. Peirson 1920-12-28 s.n. Riverside Murray Canyon, near Palm Springs 304 Comment
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May 4 2007
  SBBG14838  Selaginella eremophila L. L. Kiefer 1963-3-24 485 Riverside Andreas Cyn 243 Comment
  UC130481  Senecio aphanactis Charlotte M. Wilder 1909-3-28 894 Riverside Wilder's Canyon , Wilder's Canyon (Jurupa Hills) Comment
  CAS-BOT-BC363485  Senecio californicus Philip A. Munz No date on label 15663 Riverside Whitewater Canyon, 2 miles north of Indio - Banning boulevard Comment
  RSA767153  Senecio californicus Scott D. White, Angelia Carey 2004-4-5 99942 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD136897  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mountains, San Mateo CAnyon Wilderness Area of the Cleveland National Forest. 359 Comment
  UC35968  Senecio flaccidus var. douglasii Geo. F. Reinhardt June 1897 Riverside Sna Jacinto Valley San Jacinto Valley Comment
  UC485568  Senecio flaccidus var. douglasii F. M. Reed 1905-9-25 242 Riverside Riverside Riverside (Chicago Ave.) Comment
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  UC66497  Senna armata E. E. Schellenger 1904-10-29 26 Riverside <Chucawalla> Bench Colorado Desert, <Chucawalla> Bench Comment
  UCR148052  Senna armata Steve Boyd, Et al. 2004-5-14 11267 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  CAS-BOT-BC518734  Senna artemisioides A. C. Sanders; T. B. Salvato; Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range: along Hwy 79, 1 km E of Los Caballos Rd and 1 km W of Pauba Rd 401 Comment
  UCR145573  Sesbania herbacea Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  UCR126433  Sesuvium verrucosum T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 45 Riverside Coachella Valley, 50th St. c. 1 mi west of Filmore, 1.5 mi east of town of Coachella. -24 Comment
  SBBG80508  Setaria adhaerens A. C. Sanders 1985-8-24 5948 Riverside near Oasis on Ave 76, 0.4 mi E of Hwy 195, along S side of large drain flowing toward Salton Sea -54 Comment
  UCR113555  Setaria adhaerens Mitch Provance, J. S. Ross 2000-7-21 2160 C Riverside Jurupa Mtns., Rattlesnake Mtn., Crestmore Heights area, corner of Castellano Rd. and Barcelona Ave. 305 Comment
  UCR91056  Sibara virginica G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  RSA180240  Sidalcea malviflora subsp. sparsifolia E. W. Lathrop 1965-4-4 5616 Riverside 8 miles west of Murrieta Comment
  RSA448211  Sidalcea malviflora subsp. sparsifolia F. W. Peirson 1922-5-20 4309 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UC55873  Silene antirrhina H. M. Hall May 17 1901-Jun 1 1901 1820 Riverside Palm Canyon 457 Comment
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Jun 21 2008
  CAS-BOT-BC384577  Silene coniflora A. C. Sanders; Steven R. Hill 2001-5-4 24130 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 Crk. Dr.), E side of Rancho C. Rd. 488 Comment
  UCR100962  Silene gallica G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR132899  Silene gallica G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  UCR98691  Silene gallica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA784842  Silene laciniata J. D. Olmsted 1958-6-10 159 Riverside Santa Ana Mountains. Oak Flat Fire road 2 miles NE of Oak Flat and 7 miles SW of Corona (turn from US at Lincoln in South Corona by pottery shop). 777 Comment
  UC8462  Silene laciniata subsp. major H. M. Hall 1899-5-30 1217 Riverside Smith's Mt. Comment
  UC8466  Silene laciniata subsp. major Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR68717  Silene multinervia Steve Boyd 1990-5-11 4628 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  RSA0094094  Silene verecunda Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8720 Riverside Santa Rosa Mountains; approximately 0.4 air mile southeast of the summit of Santa Rosa Mountain. 2410 Comment
  POM12657  Silene verecunda subsp. platyota P. A. Munz 1922-9-7 6401 Riverside Tamarack Valley 2805 Comment
  POM48032  Silene verecunda subsp. platyota P. A. Munz 1924-7-27 878 Riverside Dark Canyon, San Jacinto Mts. 1982 Comment
  CAS-BOT-BC205631  Simmondsia chinensis James R. Shevock 1986-3-23 11355 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CLARK-A1656-745  Simmondsia chinensis Theo Glenn 1979-3-28 Riverside San Jacinto Mountains Comment
  JOTR30107  Simmondsia chinensis La Doux, Tasha, Bill Truesdell 2008-3-18 1672 Riverside Joshua Tree National Park. Stop 2 = Rattlesnake Cayon Wash near bouldery outcrops 892 Comment
  RSA701092  Simmondsia chinensis Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11270 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SD125931  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside West end of the Box Springs Mountains on south-facing slopes of Sugarloaf Peak. 580 Comment
  SD187386  Sisymbrium officinale Scott D. White, Angelia Carey 2004-5-7 10339 Riverside Indian Creek and adjacent foothills. 548 Comment
  UCR180346  Sisymbrium orientale Scott D. White, Angelia Carey 2004-4-5 10028 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  IRVC2009  Sisyrinchium bellum H. Ellis 1965-3-15 s.n. Riverside Palm Springs. Sonoran Desert Comment
  UCR92070  Solanum americanum Scott D. White, S. Ogg 1994-10-17 2480 Riverside Temecula Valley, Temecula, Murrieta Creek Channel directly west of Calle Cortez/Del Rio intersect Comment
  SD143697  Solanum lanceolatum Andy C. Sanders 1997-3-6 19776 Riverside Riverside, UCR campus, south side at foot of Coyote Hill, west of UCR Botanic Garden 366 Comment
  UCR207783  Solanum nigrum O. F. Clarke 2005-9-19 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR93068  Solanum nigrum A. C. Sanders 1994-7-26 15151 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  RSA80380  Solanum umbelliferum F. W. Peirson 1918-03 1080 Riverside Moreno. Comment
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Mar 20 2011
  SD136741  Solanum umbelliferum Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6741 Riverside San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. in N-Fork Bear Creek 671 Comment
  SD73612  Solanum umbelliferum Helen V. Witham 1970-5-1 855 Riverside Bautista Canyon, southeast of Hemet 800 Comment
  UC1125037  Solanum umbelliferum C. Van Fleet 1931-2-18 9 Riverside Santa Rosa Ranch 609 Comment
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Nov 27 2011
  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
  RSA757783  Solanum xanti LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4304 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
  UCD127076  Solanum xanti A. C. Sanders; Mark Elvin, Julie M. Vanderwier 2002-4-22 24997 Riverside Badlands: summit of Mt. Eden, southwest of Beaumont. 685 Comment
  RSA507804  Solidago confinis J. C. Semple, J. Chimielewski 1987-9-30 8984 Riverside CA-74, 6.5 km south of CA-243, Lake Hemet region. Comment
  UC1023427  Soliva sessilis John and Lucille Roos 1953-5-9 5916 Riverside Fairmount Park 259 Comment
  SD232205  Sonchus asper Scott D. White, Justin M. Wood 2008-7-8 12395 Riverside San Jacinto Mountains: Johnson Meadow. 1438 Comment
  RSA586764  Sonchus asper subsp. asper D. L. Banks, S. D. Boyd 1995-5-17 0462 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA660568  Sonchus oleraceus Lydia Paneri 1982-4-17 1 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  CAS-BOT-BC390311  Spergularia macrotheca var. macrotheca Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  CDA25222  Spergularia platensis A. C. Sanders 1993-4-5 13682 Riverside San Jacinto Valley; W edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) Comment
  RSA543934  Spergularia platensis Steve Boyd, David E. Bramlet 1991-5-13 6234 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR183011  Spergularia rubra Mitch Provance 2003-5-5 4426 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR157864  Sphaeralcea ambigua A. C. Sanders, E. J. Lawlor 1992-4-4 12151 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CSUSB607  Sphaeralcea ambigua subsp. ambigua Elliott Helm 1975-5-23 Riverside Mojave Desert 6 miles north of 29 Palms, off Highway 177; Mojave Desert 304 Comment
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Jun 23 2013
  POM2901  Sphaeralcea ambigua subsp. ambigua I. M. Johnston 1917-4-4 1031 Riverside Andreas Canyon 274 Comment
  RSA95302  Sphaeralcea ambigua subsp. rosacea F. W. Peirson 1921-3-20 s.n. Riverside Palm Canyon near Palm Springs Comment
  UCR269197  Sphaeralcea ambigua var. ambigua Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-22 777 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  UC1122060  Sphaeralcea ambigua var. rosacea A. E. Wieslander 1938-5-5 739 Riverside 1 mile S of Black Hill; Thermal Quad. 975 Comment
  CDA36525  Sphaeralcea emoryi subsp. nevadensis T. C. Fuller 1959-4-8 2468 Riverside On bench above the Colorado River, 16 miles north of Blythe. 0 Comment
  UCR115945  Stachys stebbinsii Mitch Provance 1998-6-11 669 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA502491  Stanleya pinnata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3732 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  JEPS51090  Stellaria calycantha Carl V. Meyer 1928-7-26 543 Riverside Deer Springs; San Jacinto Mt. Comment
  UCR142545  Stemodia durantifolia Edith A. Purer 1921-5-30 s.n. Riverside Western Colorado Desert, Murray Canyon, near Palm Springs 366 Comment
  SFV17211  Stephanomeria exigua J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UCR41400  Stephanomeria exigua N. M. Fellows, A. C. Sanders 1985-5-7 164 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
  RSA792716  Stephanomeria exigua subsp. deanei A. C. Sanders, John F. Green 2012-6-1 40228 Riverside Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  SDSU13651  Stephanomeria exigua subsp. deanei W. Miller, C. Mosse 1972-7-20 Riverside Comment
  UCR193740  Stephanomeria exigua subsp. deanei A. C. Sanders, Mitch Provance 2008-7-11 35760 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  JOTR37481  Stephanomeria exigua subsp. exigua Hodges, Stephen, T. Green 2016-5-5 602 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  POM123022  Stephanomeria exigua subsp. exigua Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  UC1930182  Stephanomeria exigua subsp. exigua Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10505 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  CLARK-A1528-297  Stephanomeria pauciflora C. M. Flanagan 1973-5-31 OO 645 Riverside Morongo Indian Reservation 975 Comment
  RSA796455  Stephanomeria pauciflora Duncan S. Bell 2009-4-18 230 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
  UC597648  Stephanomeria pauciflora Philip A. Munz 1937-5-29 15147 Riverside Dead Indian Creek, n base of Santa Rosa Mts. Santa Rosa Mts. 457 Comment
  UCSB16938  Stephanomeria pauciflora Shaw, Merrilee 1963-5-5 Riverside Northwest off State Highway 74, 5 miles northeast of Pinyon Flats Campground 975 Comment
  SFV13151  Stephanomeria virgata M. J. Thor 1982-9-18 153 B Riverside San Jacinto Mountains Idyllwild. Saunders Meadow Road, 0.25 miles from State Highway 243. 1524 Comment
  JEPS46165  Stillingia linearifolia Marjorie Clary 1934-3-3 Riverside 18 mi w Indio; Carrizo Canyon 304 Comment
  RSA771037  Stillingia linearifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4453 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
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Apr 12 2013
  UCR114743  Stipa capensis A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16148 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  UCR231735  Stipa lepida John F. Green 2008-4-23 08- 09 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR48377  Stipa pulchra Steve Boyd 1986-5-7 1829 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  UCD166246  Stipa speciosa Jack Major 1962-4-17 779 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  UCR274795  Stipa speciosa April Garbat, Kristin Forgrave, Naomi Fraga, Tyler Schappe 2013-5-21 070 Riverside San Jacinto Mountains, c. a half mile southwest of the Cranston Forest Service Station off Hwy 74/Florida Ave., and c. 0.13 mi south of Forest Service Route 5S15 618 Comment
  RSA27525  Streptanthella longirostris I. L. Wiggins 1941-3-27 9668 Riverside 4mi. north of Whitewater Comment
  UC1201219  Streptanthella longirostris I. W. Clokey, B. C. Templeton 1930-4-9 4738 Riverside n of Palm Springs (Colorado Desert); Colorado Desert 170 Comment
  RSA744311  Stylocline gnaphaloides Michael Wall 2009-5-15 506 Riverside Bautista Creek, off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 752 Comment
  UCR128569  Stylocline gnaphaloides A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23909 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UC72620  Suaeda calceoliformis Geo. R. Hall Sep 1905 Riverside Riverside Comment
  RSA660485  Suaeda moquinii A. C. Sanders, K. C. Rose 1998-5-21 21867 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  POM49142  Symphoricarpos rotundifolius var. parishii Mary F. Spencer 1919-7-6 1218 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  UC64323  Symphoricarpos rotundifolius var. parishii H. M. Hall 1897-7-21 705 Riverside Round Valley; San Jacinto Mountains Comment
  RSA759117  Symphoricarpos rotundifolius var. parishii Robt. Allen, Richard Newell 2007-6-19 s.n. Riverside N-facing upper slope of Santiago Peak, along North Main Divide Road, circa .15 air miles NNW of Santiago Peak summit 1687 Comment
  RSA0040385  Tamarix A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24983 Riverside Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  CAS-BOT-BC223811  Tamarix ramosissima Roxana S. Ferris 1953-3-12 12606 Riverside At mouth of Painted Canyon, Mecca Hills Comment
  RSA793594  Tamarix ramosissima Robert F. Thorne 1995-3-29 63020 Riverside White Water Canyon. 600 Comment
  SD124837  Tamarix ramosissima L. F. LaPre, B. Pitzer 1986-9-16 Riverside San Jacinto Wildlife Area, on levee beside the San Jacinto River, ca. 1 mi. E of Bridge St. 436 Comment
  UCR260961  Tamarix ramosissima Duncan S. Bell 2013-1-30 4453 Riverside Sonoran (Colorado) Desert, the Mecca Hills, beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected 23 Comment
  RSA523527  Tauschia arguta Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3986 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA6105  Tauschia arguta C. B. Wolf 1932-5-24 3659 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  UCR135727  Tauschia arguta Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9032 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA339239  Tetracoccus hallii R. F. Thorne, Rolf Dahlgren, Gertrud Dahlgren 1979-8-23 53609 Riverside Cottonwood Springs Area Comment
  UCR101580  Tetracoccus hallii 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
  SEINET1908654 Image available Thalictrum fendleri var. polycarpum A. C. Sanders, Mitch Provance 2008-1 35813 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. 1450 Comment
  RSA0062678  Thalictrum polycarpum M. P. Harthill 1976-5-6 s.n. Riverside Rancho California, CA. 609 Comment
  RSA339661  Thamnosma montana Robert F. Thorne, C. W. Tilforth 1980-5-28 54168 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  CAS-BOT-BC66537  Thysanocarpus curvipes Steve Boyd; Tim Ross; Orlando Mistretta 1992-2-26 6705 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. 365 Comment
  JOTR34024  Thysanocarpus curvipes La Doux, Tasha, M. Harding 2010-4-7 2911 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UCR113199  Thysanocarpus curvipes A. C. Sanders 1998-3-11 21661 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  RSA0041597  Thysanocarpus curvipes John F. Emmel 1973-5-13 455 Riverside Dry Creek, SW of Idyllwild, San Jacinto Mts. 1372 Comment
  RSA0103506  Tiquilia canescens var. canescens P. A. Munz, D. D. Keck 1922-4-13 4938 Riverside Eagle Mtns. Colo. Desert. High rocky ridge in Anshutz Canyon. 305 Comment
  RSA0034092  Tiquilia palmeri Duncan S. Bell 2013-1-30 4451 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
  SD4145  Tiquilia plicata Mary S. Snyder 1895-3-31 Riverside Below Palmetto Springs. [now Palm Springs] Comment
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Jul 8 2010
  POM201681  Tribulus terrestris L. M. Booth 823 Riverside Hard roadside. Comment
  UCR176686  Tribulus terrestris R. D. Goeden, Don W. Ricker 1965-6-8 s.n. Riverside Riverside, SW corner of Blaine St. and Canyon Crest Dr. 316 Comment
  UCR177263  Tribulus terrestris Scott D. White 2003-3-20 8830 Riverside Coachella Valley, Immediately north of the I-10 / Jefferson Avenue fwy interchange 18 Comment
  UCR2900  Tribulus terrestris Paul W. White 1963-4-8 40863- 2 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, 150 yards SW of corner of Canyon Crest and Alta Vista 274 Comment
  UC218016  Trichocoronis wrightii var. wrightii P. A. Munz, I. M. Johnston 1922-5-21 5541 Riverside near Moreno (San Jacinto Lake) Comment
  RSA532579  Trichocoronis wrightii var. wrightii D. E. Bramlet 1991-6-18 2194 Riverside The population is approximately 833m W of the San Jacinto River. Some 433m E of the intersection of Pozos Ave. and the MWD Colorado aqueduct easement Road. The population is found some 17m S of the road and adjacent to a small marsh area. 473 Comment
  RSA336197  Trichoptilium incisum R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52015 Riverside Chino Canyon Comment
  SBBG36512  Trichoptilium incisum H. and M. Dearing 1936-12-25 1911 Riverside Long Cyn, Colorado Desert Comment
  UCD136906  Trichoptilium incisum T. I. Storer 1923-3-27 343 Riverside near Palm Springs. Comment
  UCR117375  Trichoptilium incisum B. G. Pitzer 1998-2-1 3434 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  JEPS63151  Trichostema austromontanum subsp. compactum Carl V. Meyer 1928-7-27 565 Riverside Hidden Lake San Jacinto Mountains 2956 Comment
  RSA180271  Trichostema lanceolatum E. W. Lathrop 1959-9-11 4648 Riverside 14 miles west of Murrieta. Comment
  SDSU13655  Trichostema lanceolatum W. Miller, C. Mosse 1972-7-20 Riverside Comment
  RSA305719  Trichostema parishii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1020 Riverside Hemet-Anza. Bautista Creek Road. Comment
  RSA0123290  Tridens muticus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9004 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
  RSA543838  Trifolium albopurpureum Steve Boyd, Orlando Mistretta 1991-5-22 6307 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR48525  Trifolium albopurpureum Steve Boyd 1986-4-19 1711 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  UC866655  Trifolium albopurpureum var. albopurpureum L. Haines and L. Erickson 1937-4-9 Riverside near Winchester (field) Comment
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Mar 20 2011
  RSA662538  Trifolium amplectens J. C. Roos 1966-3-24 s.n. Riverside Flats west of Hemet. Comment
  CSUSB1229  Trifolium ciliolatum Emily E. McGregor 1972-4-30 Riverside 5.5 miles west Tenaja Station, Tenaja Road. (6S08). Comment
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Jun 15 2013
  UC1595595  Trifolium gracilentum Steve Boyd and Tim Ross 1990-5-11 4615 Riverside e Dripping Springs campground (s o f Hwy 79); Cleveland National Forest, Vail Lake area, base of Tibia Mtn; SE1/4, NE 1/4 sec. 27, NW1/4 sec. 26 548 Comment
  UCR120651  Trifolium gracilentum D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1790 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA559365  Trifolium hirtum Steve D. Boyd, Tim S. Ross, D. Bramlet 1993-5-13 7379 a Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR123868  Trifolium microcephalum Steven R. Hill 2001-5-4 33711 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  RSA741009  Trifolium obtusiflorum Scott D. White, Justin M. Wood 2008-6-18 12225 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  SEINET13709269  Trifolium tridentatum J. Adams, J. Adams (Botany) 1966-1 727 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  RSA659788  Trifolium variegatum J. C. Roos 1952-5-26 5714 Riverside Hass' Ranch. Reche Canyon. 457 Comment
  HSC80311  Triglochin scilloides R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51990 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  JOTR31885  Trixis californica var. californica La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2137 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  RSA0023468  Tropidocarpum gracile Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2919 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR121820  Typha domingensis A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24602 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  CAS-BOT-BC381975  Uropappus lindleyi H. M. Hall 1901-5-1 1908 Riverside San Jacinto Mountains. South side, lower altitudes Comment
  RSA674807  Verbascum virgatum Scott D. White 2001-6-29 8627 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  CLARK-A1528-905  Verbena robusta C. M. Flanagan 1973-5-31 OO 615 Riverside Morongo Indian Reservation Comment
  RSA671728  Verbesina encelioides subsp. exauriculata F. R. Schallert 1953-6-1 1464 Riverside Near Riverside. Comment
  UCR114317  Veronica anagallis-aquatica Mitch Provance 1998-3-21 272 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  UCR241632  Veronica anagallis-aquatica T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 353 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR92305  Veronica anagallis-aquatica Scott D. White, S. Ogg 1994-10-17 2495 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA85579  Veronica peregrina var. xalapensis J. C. Roos 1952-4-2 5454 Riverside At Edgemont near Box Springs. 488 Comment
  UC2029933  Veronica peregrina var. xalapensis Steve Boyd 2001-4-12 10402 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash. Comment
  UCR43236  Vicia villosa S. J. Bouscaren 1986-5-22 26 Riverside Upper Santa Ana River/San Bernardino Valley Region, N side of arroyo that runs from Canyon Crest Drive and University Avenue to Linden Street and Interstate Hwy 15E, near the Univ. of Calif. Riverside campus 311 Comment
  UCR74437  Vincetoxicum nigrum A. C. Sanders 1985-9-5 5951 Riverside Riverside, Riverside, UCR Botanic Garden 400 Comment
  CSUSB288  Viola odorata Margaret-Lee Dean 1965-4-23 Riverside 3908 Linwood Place, Riverside 262 Comment
  JEPS40246  Vitis girdiana Carl V. Meyer 1929-6-11 748 Riverside at base of mt. below Idyllwild Grade; San Jacinto Mt., wash of San Jacinto River Comment
  CAS-BOT-BC183742  Vulpia microstachys var. confusa Victor Duran 1932-5-18 3219 a Riverside [Idylwild] Idyllwild, San Jacinto Mountains Comment
  POM265761  Vulpia microstachys var. microstachys J. C. Roos 1937-5-10 2071 Riverside Lake Elsinore. Comment
  RSA612951  Vulpia microstachys var. pauciflora D. L. Banks 1997-3-29 1620 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
  SEINET10604482  Vulpia microstachys var. pauciflora Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-2 Boyd 3989 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. T8S R1W SE1/4 NW1/4 sec. 23. Chaparral and oak woodland vegetation burned by Mt. Palomar fire, 1989. 488 Comment
  RSA659172  Woodwardia fimbriata Bob Rogers 1984-5-5 28 Riverside Collected along a trail bordering the west side of Fuller Mill Creek heading upstream. Starting point was on the North side of Hwy 243, 11.6 miles from hwy 74/hwy 243 jctn. 1524 Comment
  RSA740628  Wyethia ovata Scott D. White, Justin M. Wood 2008-7-8 12383 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR9249  Wyethia ovata D. H. Wilken 1965-6-29 391 Riverside San Jacinto Mtns, W end of Hemet Valley (Garner Valley), near Lake Hemet 1372 Comment
  CAS-BOT-BC326966  Xylorhiza cognata Lester Rowntree 1930-5-6 s.n. Riverside Hidden Springs Road Comment
  RSA799248  Xylorhiza cognata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 730 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCD137591  Xylorhiza tortifolia var. tortifolia William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR243565  Xylorhiza tortifolia var. tortifolia Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21095 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
  RSA605199  Yabea microcarpa Scott D. White 1995-4-5 2757 Riverside Lakeview Mountains; SW of Juniper Flat Road. 579 Comment
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  RSA585732  Yucca schidigera Darin L. Banks, Steve Boyd 1995-5-9 378 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
  RSA561010  Yucca whipplei var. whipplei Steve Boyd, Timothy S. Ross 1992-5-4 7200 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA612955  Yucca whipplei var. whipplei Darin L. Banks 1997-3-29 1624 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
  POM319690  Zannichellia palustris Patricia Wilder 1971-11-11 5312 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  RSA378430  Zigadenus fremontii J. A. Comstock 1946-3-13 s.n. Riverside Gavilan Peak. Comment
  RSA509563  Zigadenus fremontii Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR79357  Zigadenus venenosus var. venenosus Steve Boyd, T. S. Ross 1992-4-1 6777 Riverside Santa Ana Mountains, Elsinore Peak area, south of Lake Elsinore. S base of peak (3448') to SE of Elsinore Peak. 1000 Comment
  UC2015545  Ziziphus obtusifolia A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 16001 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  SD225092  Ziziphus parryi A. C. Sanders, K. Rose & D. Woodard 1995-3-22 16219 Riverside San Gorgonio Pass/San Jcinto Mountains: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabazon. 399 Comment



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