Search Results — 2000 specimen records retrieved (1879 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET10719539  Abies concolor var. lowiana Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 18 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  CAS-BOT-BC229339  Abronia villosa Philip A. Munz 1937-5-31 15113 Riverside Below Anza Tablet [Table], head of Coyote Canyon 1005 Comment
  CAS-BOT-BC229350  Abronia villosa E. A. McGregor 1917-3-18 796 Riverside Colorado Desert. 4 mi up Painted Canon [Canyon] Comment
  CAS-BOT-BC229364  Abronia villosa Geo. B. Grant 1902-8-1 s.n. Riverside San Jacinto Comment
  CHSC1076  Abronia villosa E. Thomas 1939-10-26 Riverside Cathedral City. Comment
  CLARK-A1528-3259  Abronia villosa John C. Roos 1937-4-18 1364 Riverside Cabazon Comment
  CSUSB1082  Abronia villosa Sally Bell 1964-3-15 Riverside Cathedral City, in dry wash about 300 yards behind Travel Lodge Trailor Park off Highway 111. 91 Comment
  CSUSB1328  Abronia villosa Clifford Kishi 1972-5-14 720514 34 Riverside San Jacinto Mountains San Jacinto Mountains; 1 mile from Lake Hemet Reservoir along Herkey Canyon Road. 609 Comment
  HSC16140  Abronia villosa L. S. Rose 1967-12-20 67184 Riverside 6 mi. SE of Thousand Palms 15 Comment
  OBI28973  Abronia villosa David J. Keil 1976-11-28 11879 Riverside Just E of Indio along I-10 Comment
  POM122577  Abronia villosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA698219  Abronia villosa J. R. Bruff s.n. Riverside Whitewater. Comment
  SEINET893735  Abronia villosa Rea Raymond 1962-1 197 Riverside Cathedral City, Palms to Pines Highway. San Jaciento mountain range. 152 Comment
  POM6704  Abronia villosa var. aurita P. A. Munz, L. T. Street, G. Williams 1919-3-26 2336 Riverside Palm Canyon 213 Comment
Read comments
Apr 23 2011
  UCR126173  Abronia villosa var. aurita Michael D. Wilcox 2003-3-31 s.n. Riverside San Jacinto Mountains, just off Bautista Canyon Road c. 0.6 mi. NW of Hixon Trail, San Bernardino National Forest 720 Comment
  UCR3430  Abronia villosa var. aurita Heidi A. Haid 1964-5-10 64510- 01 Riverside San Jacinto Valley, east of San Jacinto, Los Banos and Main Streets 549 Comment
  UCR37458  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  CAS-BOT-BC489834  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot; Lisa Rojas; Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert: Northeastern Colorado Desert region, along Palen Rd near Hwy 177 170 Comment
  SD229055  Achillea millefolium Dick Schwenkmeyer 2012-6-27 740 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCSB18916  Achnatherum coronatum Keefe, Joseph 1965-5-18 Riverside NE slope of Mt Edna, 2.1 mi S of Banning on road to Idyllwild. 762 Comment
  CHSC35868  Achnatherum speciosum Paul Bailey 1972-5-14 127 Riverside 6 miles NW of Aguanga near Hwy R-3 in Lancaster Valley. 365 Comment
  RSA770778  Achnatherum speciosum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4616 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM123139  Achyronychia cooperi George B. Grant 1906-4-20 6707 Riverside Palm Springs. Comment
  RSA0120232  Acmispon argophyllus var. argophyllus Duncan S. Bell, Thomas Stoughton 2016-4-14 9286 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  SBBG68085  Acmispon strigosus M. N. Ackley -Feb-1926 543 Riverside near Edom 64 Comment
  SEINET2045687 Image available Acroptilon repens Howard Scott Gentry 1948-6 8176 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  UCR126960  Adenostoma fasciculatum S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR245794  Adenostoma sparsifolium A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40956 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain 739 Comment
  CAS-BOT-BC69645  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  RSA416390  Agoseris grandiflora var. grandiflora Robert L. Rutherford 1944-7-2 1475 Riverside Palomar Mtn. 1066 Comment
Read comments
Jun 15 2013
  POM11433  Agoseris retrorsa P. A. Munz 1922-7-3 5965 Riverside Santa Rosa Mts. Santa Rosa. 1920 Comment
  UCR96599  Agrostis exarata Scott D. White 1996-8-1 4452 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA131724  Agrostis pallens E. K. Balls 1958-6-27 23301 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  UCR265592  Agrostis scabra Jordan Zylstra 2014-7-6 14019 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  UCR2131  Agrostis viridis F. M. Reed 1903-6-5 171 Riverside South Coast; San Bernardino Valley, Riverside, wet ground at outlet of lake in Fairmont Park 238 Comment
  UCR84624  Agrostis viridis Scott D. White, S. Ogg 1994-4-21 1996 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CAS-BOT-BC385085  Allionia incarnata D. B. Dunn 1946-2-23 1985 Riverside In Grotto Canyon Comment
  RSA780410  Allionia incarnata Stephanie Rockwood, Christi Gabriel 2011-10-19 135 Riverside I95 Pulloff about 6 miles from Blythe Itaglios Marker. Boundary of Indian Reservation land. Desert Conservation Area. 99 Comment
  UCD98018  Allionia incarnata Geoffrey Levin 1976-3-27 689 Riverside Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  UCR260253  Allionia incarnata A. C. Sanders, Jim Malusa 2015-3-11 41393 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  UCR42489  Allionia incarnata P. J. Leary 1974-10-26 516 Riverside Mojave Desert, N of Mary Peak, Hexie Mountains, Joshua Tree National Monument [now Park] 610 Comment
  CAS-BOT-BC131985  Allium haematochiton Steve Boyd; Aydee Virgen 2004-4-13 10859 Riverside Peninsular Ranches; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CAS-BOT-BC131986  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  RSA666659  Allium haematochiton A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  SD247543  Allium haematochiton J. Mark Porter, Lauen E. Machen 1997-2-15 11421 Riverside North of Interstate 15 at the Lake Street / Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SD136977  Allium lacunosum var. davisiae Steve Boyd, Tim Ross 1992-5-15 7386 Riverside Southern Santa Ana Mts, SE flank of Elsinore Peak at 'Onion Hill', grassy knoll of clay soil ca. Ao mile SE of radio towers, along old Main Divide Rd track. N & W sides of hill in semi-barren scurry zone at contact between grassland & chaparral. 1021 Comment
  UCR114758  Allium munzii Scott D. White, D. E. Bramlet 1999-4-22 7237 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  RSA740615  Allium peninsulare Scott D. White, Justin M. Wood 2008-6-19 12255 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  RSA734227  Allium praecox Keith E. Hoffmaster 1934-4-8 144 Riverside Santa Ana Mts. Comment
  UCR178622  Allium unifolium Steve Morgan 1995-5-18 s.n. Riverside San Bernardino Valley, UC Riveride Botanical Garden. Emma Swets Bulb Garden, Garden Grid Cell E-933 366 Comment
  RSA410062  Allophyllum divaricatum M. B. Dunkle 1933-7-19 3675 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA16503  Allophyllum glutinosum Percy C. Everett 1935-6-17 7155 Riverside Coldwater Can. trail to Santiago Peak, 1.5 mi. above Glen Ivy Resort. 564 Comment
  RSA648741  Alnus rhombifolia J. C. Roos 1948-5-8 3828 Riverside Along stream at Whitewater. 518 Comment
  RSA751510  Aloysia wrightii Jim Andre, Tasha La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: along Bell Mtn. Rd., atop Bell Mtn. approx 0.3 mi. N of radio tower. 1359 Comment
  UCR103547  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 A Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR134606  Amaranthus albus Marisa Sripracha, Kyle Boyd 2004-2-14 029 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR115150  Amaranthus cruentus Mitch Provance 2000-12-11 2285 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  JOTR16544  Amaranthus fimbriatus Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. RAODSIDE BETWEEN RYAN MOUNTAIN AND CAPROCK 1310 Comment
  JOTR32421  Amaranthus fimbriatus Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 10 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  RSA165959  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Highway. 1220 Comment
  RSA0018885  Amaranthus palmeri Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6020 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR163092  Amaranthus palmeri B. G. Pitzer, G. R. Ballmer 2000-10-14 4226 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  UCR7930  Amaranthus retroflexus O. F. Clarke 1968-10-8 s.n. Riverside Riverside, residence of O.F. Clarke, 1012 Spruce St. 306 Comment
  GMDRC3498  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along Bell Mtn Rd, atop Bell Mtn appox 0.3 mi. N. of radio tower. Queen Mountain USGS 7.5 min quad 34 deg. .35' N 116 deg. .017' W. Elev. 4458 ft. 1359 Comment
  RSA0086783  Ambrosia acanthicarpa R. G. Swinney 1967-5-26 14064 Riverside White Water Bench. 305 Comment
  IRVC730  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-5-30 SJ 84 Riverside Above Palm Desert. Sonoran Desert/Santa Rosa mtns 305 Comment
  RSA727011  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA760788  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 109 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA776577  Ambrosia dumosa Amber Swanson 2011-4-8 369 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SEINET2043626 Image available Ambrosia dumosa C. M. Hanagan 1971-5-22 Riverside Approximately 1/4 mi. from the corner of Sunnyslope and Bagley Drive in 29 Palms Comment
  UC1334678  Ambrosia dumosa Nancy Ryan Zabriskie 1969-4-1 179 Riverside near Palm Springs; Andreas Canyon Comment
  UCR148486  Ambrosia dumosa John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24 (near 23), just north of Salt Creek crossing 23 Comment
  CAS-BOT-BC30793  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2 1/2 miles S.E. of Desert Center, in the Chuckwalla Mtns. Comment
  RSA668473  Ambrosia ilicifolia S. Granger 1979-2-18 s.n. Riverside Chuckawalla Mountains. Comment
  RSA180511  Ambrosia psilostachya E. W. Lathrop 1960-6-6 4832 Riverside 14 miles W. of Murrieta. Comment
  UCR182537  Ambrosia psilostachya Mitch Provance 2003-7-4 4639 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  CAS-BOT-BC273034  Ambrosia salsola D. B. Dunn; H. Brown 1947-1-12 2834 Riverside Pushawalla Canyon, Indio Hills Comment
  UC1279727  Ambrosia salsola David B. Dunn and A. Folsom 1948-6-17 3800 Riverside at camp in Pushawalla canyon, by quad 2 Pushawalla Canyon Comment
  SEINET10875649  Ambrosia salsola David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-14 Dunn 3726 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SBBG8467  Ambrosia salsola var. salsola H. and M. Dearing 1936-12-25 2334 Riverside Long Cyn, Colorado Desert Comment
  UCR79469  Amorpha californica Steve Boyd, T. S. Ross 1992-5-15 7403 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero 671 Comment
  RSA764130  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 571 Riverside Cleveland National Forest Comment
  UC489201  Amorpha californica var. californica C. V. Meyer 1928-7-27 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  JEPS29303  Amsinckia intermedia Rimo Bacigalupi and L. R. Heckard 1962-3-25 8398 Riverside 2 mi s of junction of road to Lake Mathews (near junction of state hwy 71 and Forest Service road to Santiago Peak, w slopes of Temescal Wash); Temescal Wash 274 Comment
  UCR154745  Amsinckia intermedia T. B. Salvato, Kent Beaman 2005-5-16 786 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
  RSA0089630  Amsinckia intermedia F. R. Fosberg 1932-5-9 10638 Riverside St. Johns Grade near Hemet. 770 Comment
  UCR117647  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR22049  Amsinckia menziesii Steve Boyd 1980-4-27 140 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR265021  Amsinckia retrorsa Mitch Provance 2013-4-8 413- 12 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR274308  Amsinckia retrorsa T. B. Salvato, Melissa Clemons 2005-6-6 1426 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  POM14034  Amsinckia tessellata P. A. Munz, D. D. Keck 1922-4-15 4987 Riverside Near Moreno. Grain field. 366 Comment
Read comments
Mar 20 2011
  RSA0091460  Amsinckia tessellata R. F. Thorne, R. Carolin 1967-3-21 41634 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  SBBG87488  Amsinckia tessellata A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UC1329903  Amsonia tomentosa James E. Cole 1941-5-14 703 Riverside Queen Valley Joshua Tree Nat'l Monument, Queen Valley 1280 Comment
  RSA650083  Anagallis arvensis Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  CAS-BOT-BC272870  Ancistrocarphus filagineus Steve Boyd 1986-5-1 1791 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow 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
  RSA653194  Andropogon glomeratus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke, et al. 1996-11-23 19657 Riverside San Bernardino Mountains.: Whitewater Canyon, just above Bonnie Bell, 2.3 miles below stream crossing near fish hatchery, E of VAMB Captain, 33 deg 57'N, 116 deg 38.5'W [UTM 10km cell: 11S NH-3E, 5N Whitewater] 534 Comment
  RSA764882  Anemopsis californica Justin M. Wood 2010-9-8 2601 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  RSA77439  Angelica tomentosa F. W. Peirson 1924-7-29 5024 Riverside Open Mountain slope on road from Banning to Idyllwild, San Jacinto Mountains. 1677 Comment
  RSA769523  Anisocoma acaulis Duncan S. Bell, Valentin Arvizu 2010-5-10 976 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  CHSC1687  Antirrhinum coulterianum Sonia R. Westerberg 1938-5-1 Riverside Banning. Comment
Read comments
Mar 13 2011
  CLARK-A1528-4160  Antirrhinum coulterianum John C. Roos 1937-4-18 1359 Riverside Snow Creek Comment
  RSA773132  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-6-7 1268 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  UCR137357  Antirrhinum coulterianum John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA585508  Antirrhinum kelloggii D. L. Banks, Steve D. Boyd 1995-5-9 369 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UC1929669  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  UCR214311  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38404 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA191418  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop, Robert F. Thorne 1967-9-26 6609 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  SDSU13336  Antirrhinum nuttallianum subsp. nuttallianum Tom Duffy, Tarja Sagar 2000-4-29 3 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field Station. 320 Comment
  UCR239202  Antirrhinum nuttallianum subsp. nuttallianum Steven R. Hill, A. C. Sanders 2001-5-4 33713 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
  UC697754  Apium graveolens Kay H. Beach 1942-10-22 1661 Riverside 3 mi nw city limits of Corona (along Chino Creek); Chino Creek 198 Comment
  UCR167973  Aquilegia formosa T. B. Salvato, John F. Green 2004-5-27 653 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA0125972  Arabis R. F. Thorne, Walter Wisura 1977-9-17 50773 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  SEINET1908447  Arabis glabra A. C. Sanders, Mitch Provance 2008-1 35821 Riverside Peninsular Range; San Jacinto Mtns,: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trials, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  RSA0128829  Arabis sparsiflora A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35611 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  RSA629129  Arctostaphylos Jon E. Keeley 1992-7-17 16782 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629411  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19504 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SD128324  Arctostaphylos glandulosa R. Mitchel Beauchamp 1971-5-15 2411 Riverside San Jacinto Mountains; Black Mt. campground. Open areas of forest. 2207 Comment
  RSA629368  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16818 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  RSA629423  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16846 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA220964  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-23 6114 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  JOTR32365  Arctostaphylos glauca La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2480 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Rocky outcrop and steep slopes above large drainage and spring (Stop 6) Comment
  RSA631723  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19292 Riverside Highway 79, at Radec. 580 Comment
  RSA631812  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21802 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA631827  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16582 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA721870  Arctostaphylos glauca Michael Wall 2007-2-16 427 Riverside San Jacinto Valley off dirt road along wash feeding Bautista Creek off Bautista Creek Rd. 3.0 miles SE of Fairview Avenue 678 Comment
  POM210098  Arctostaphylos glauca var. glauca C. B. Wolf 1932-5-25 3695 Riverside One half-mile southwest of summit of Moreno Grade, Bad Lands, southwest of Beaumont 610 Comment
  POM307249  Arctostaphylos parryana subsp. desertica Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2240 Riverside Santa Rosa Mountains Comment
  RSA633626  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22663 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633688  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16666 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633705  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16679 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633751  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21781 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA0038405  Arctostaphylos patula Elwood Fordham 1951-5-26 s.n. Riverside Fern Canyon, [Los Angeles County] 1219 Comment
  LA42425  Arctostaphylos pringlei subsp. drupacea Carl B. Wolf; 1932-8-4 3922 Riverside San Jacinto Mountains, Strawberry Valley, 1.5 mi. from Idyllwild on road to Banning 1706 Comment
  RSA50330  Arctostaphylos pringlei subsp. drupacea E. K. Balls 1949-5-4 13481 Riverside 3 miles from Idyllwild on road to Banning. 1524 Comment
  RSA635646  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16610 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  UC1375313  Arctostaphylos pringlei subsp. drupacea Larry E. DeBuhr 1972-3-24 531 Riverside along Forest Road 7SO2 Santa Rosa Mts., San Bernardino National Forest 2103 Comment
  RSA635811  Arctostaphylos pungens Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20103 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  CAS-BOT-BC158114  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns.: Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  RSA636001  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19543 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA434324  Argemone munita subsp. rotundata N. C. Cooper 1944-5-6 1181 Riverside Banning. 610 Comment
  CAS-BOT-BC207128  Argythamnia lanceolata Carl B. Wolf 1932-4-27 3058 Riverside 5 mi. E of Desert Center, No. base of Chuckwalla Mts., Colorado Desert 152 Comment
  CAS-BOT-BC137658  Aristida adscensionis S. B. Parish 1912-6-28 8122 Riverside Base of the mountains north of Mecca. Comment
  RSA704195  Aristida adscensionis Gary D. Wallace 1982-5-15 1996 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA718572  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1891 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  RSA776145  Aristida adscensionis Duncan S. Bell, Amanda Turek 2010-4-10 838 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
  UCR180225  Aristida adscensionis Scott D. White, Pam Devries 2006-3-14 11251 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR242289  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40420 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  CLARK-A1528-4465  Aristida californica John C. Roos 1937-8-22 1209 Riverside Mojave Desert Comment
  CLARK-A1528-4466  Aristida divaricata John C. Roos 1941-8-2 83 Riverside San Jacinto Mountains Comment
  SEINET14198857  Aristida purpurea J. C. Roos 1966-4-22 Riverside Rocky hills between March AFB and Lakeview Comment
  CAS-BOT-BC137513  Aristida purpurea var. purpurea J. C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview. Comment
  SEINET10842820  Artemisia J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12829 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  RSA613711  Artemisia annua G. R. Ballmer 1997-11-22 s.n. Riverside Riverside. Volunteer in yard at 8538 Hickory Lane. Comment
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Jul 14 2012
  RSA170157  Artemisia arbuscula subsp. arbuscula L. B. Ziegler 1964-8-15 s.n. Riverside On an area of about 10 acres about 1.5 miles north of Kenworthy Ranger Station, San Jacinto Mts. 1616 Comment
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Jun 10 2012
  SEINET10671672  Artemisia californica David B. Dunn 1946-2-22 Dunn 1951 Riverside Collected on north side of Whitewater Canyon. Comment
  CLARK-A1528-154  Artemisia douglasiana John C. Roos 1951-9-25 5281 Riverside Riverside 259 Comment
  SEINET3145759  Artemisia dracunculoides G. F. Reinhardt sn Riverside San Jacinto Valley Comment
  POM319663  Artemisia dracunculus Patricia Wilder 1970-10-15 4802 Riverside Prado Dam on bank at east end of dam in Prado Flood Plain Control Basin. 183 Comment
  RSA356610  Artemisia ludoviciana subsp. ludoviciana R. F. Thorne 1966-10-15 41811 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UC29715  Artemisia tridentata Dr. D. P. Barrows 1898-1 59 Riverside Comment
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Jul 16 2012
  RSA507495  Arthrocnemum subterminale L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside 1 mi E of of Perris. 427 Comment
  RSA696498  Asclepias eriocarpa Keith E. Hoffmaster 1934-4-8 772 Riverside Santa Ana Mts. Comment
  SBBG5703  Asclepias eriocarpa H. and M. Dearing 1940-6-9 4366 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  RSA525295  Asclepias erosa W. Wisura 1991-4-28 4488 Riverside 20.6 mi. N of Desert Center along Rice Road in Creosote Bush Scrub. Comment
  UC22975  Asclepias erosa H. M. Hall June 1901 2111 Riverside along borders Colorado Desert (e base of mountains); San Jacinto Mountains Comment
  CHSC125  Asclepias subulata V. Holt 1957-3-31 Riverside Colorado River n. of Blythe 91 Comment
  RSA0014316  Asclepias subulata Justin M. Wood, J. Miner 2010-4-30 1550 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA5171  Asclepias subulata C. B. Wolf 1932-4-26 2982 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  UCR12209  Asclepias subulata O. F. Clarke 1969-11-22 s.n. Riverside Sonoran (Colorado) Desert, 4.5 mi. east of North Palm Springs, Coachella Valley 290 Comment
  SEINET10637411  Asclepias subulata Mckelvey 1935-12-24 MCKELVEY 5045 Riverside Foothills of the mountains about La Quinta Comment
  IRVC12864  Asparagus officinalis Steve Stadler 1966-3-26 032666 44 Riverside Found along the Gagu Canal .2 miles North of Blaine Street. 305 Comment
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Sep 29 2011
  UCR135829  Aspidotis californica A. C. Sanders 2004-4-20 27554 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA417618  Aster alpigenus var. andersonii Anstruther Davidson 1876-7-7 s.n. Riverside Strawberry Valley. Comment
  UCR277761  Aster subulatus Mitch Provance 2012-11-10 1112- 03 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  RSA575923  Aster subulatus var. ligulatus Steve Boyd 1994-9-29 8363 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UC68624  Astragalus aridus H. M. Hall Apr., 1905 5826 Riverside near Indio (Colorado Desert); , near Indio 0 Comment
  UCR620A  Astragalus bicristatus J. Zabriskie 1974-5-24 692 Riverside Santa Rosa Mtns., Reservoir area at top of Deep Canyon stream; south of Pinyon Flat 1890 Comment
  CAS-BOT-BC177732  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  UCR174526  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore 'back basin' on NE side of lake 384 Comment
  UCR195095  Astragalus douglasii A. C. Sanders, Tim Thomas 2008-8-1 35935 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CAS-BOT-BC178437  Astragalus douglasii var. parishii Barbara Ertter; Jeffrey Strachan 1980-5-21 3484 Riverside Santa Rosa Mt. Road (Forest Road 7S02) ca 2 miles south of Highway 74 (Pines to Palms Highway), rivulets on SE slope. 1584 Comment
  JEPS54663  Astragalus filipes W. L. Jepson 1901-5-20 1327 Riverside Thomas Valley Mt. San Jacinto Range, Thomas Valley 1341 Comment
  RSA740944  Astragalus filipes Scott D. White, Justin M. Wood 2008-6-17 12183 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CHSC108878  Astragalus gambelianus Duncan S. Bell; Joy England 2010-5-17 1007 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  UCR101097  Astragalus gambelianus Jack Easton 1998-4-16 s.n. Riverside Murrieta region, 'The Willows', a development c. 1 mi. SW of Skunk Hollow, Santa Gertrudis Creek drainage. 366 Comment
  CAS-BOT-BC186900  Astragalus insularis var. harwoodii Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6454 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  RSA781247  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37394 Riverside 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 134 Comment
  UCR18994  Astragalus insularis var. harwoodii John C. Roos, Lucille Roos 1949-4-11 4241 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Corn Spring Comment
  RSA498238  Astragalus lentiginosus var. coachellae T. W. Minthorn 1926-5-15 s.n. Riverside Near Indio. Comment
  PASA1850  Astragalus lentiginosus var. coulteri R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  UCR277105  Astragalus pachypus var. jaegeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3770 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 Comment
  JEPS54934  Astragalus palmeri Marjorie D. Clary 1932-11-14 1673 Riverside Pinyon Flats , Pinyon Flats (San Jacinto Mts.) 1219 Comment
  UCD105182  Astragalus palmeri Donald Myrick 1964-4-30 821 Riverside Pines to Palm Highway (Highway 74), 15 miles west of Palm Desert. 1219 Comment
  SEINET10775826  Astragalus palmeri Betty Venrick 1961-3-17 Venrick 499 Riverside White Water Canyon, west of fish hatchery and 1/2 mile below. San Bernadino Mt. Range, Salton Sea drainage area. 762 Comment
  RSA552694  Astragalus pomonensis Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-26 6702 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC66099  Athyrium filix-femina var. cyclosorum G. B. Grant 1901-8-1 4514 Riverside Strawberry Val. S. Jacinto Mts. Comment
  SBBG56270  Athyrium filix-femina var. cyclosorum M. Lewis 1947-8-26 17 Riverside Dark Cyn 1981 Comment
  UCR139028  Athysanus pusillus D. L. Banks 1997-4-5 1677 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  RSA418188  Atrichoseris platyphylla Anstruther Davidson 1922-03 3483 Riverside Mecca Comment
  UCSB6375  Atrichoseris platyphylla Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  POM630  Atriplex canescens I. M. Johnston 1033 Riverside Near Palm Springs. 183 Comment
  RSA0039848  Atriplex canescens Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC along Dos Palmas Road, between visitor parking and Dos Palmas well. Comment
  RSA15501  Atriplex canescens L. S. Rose 1935-12-19 35670 Riverside Palm Springs 138 Comment
  CAS-BOT-BC170213  Atriplex canescens subsp. canescens Lewis S. Rose 1935-12-19 35670 Riverside Palm Springs - Colorado Desert 138 Comment
  OBI17352  Atriplex canescens subsp. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Srpings 152 Comment
  UCR17337  Atriplex canescens subsp. linearis N. R. Zabriskie, W. W. Zabriskie 1970-12-29 331 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  RSA65363  Atriplex canescens var. laciniata F. W. Peirson 1924-12-30 s.n. Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  SD60268  Atriplex canescens var. laciniata Carl B. Wolf 1932-10-13 4316 Riverside Caleb 4.5 miles southeast of Mecca. 60 Comment
  POM278955  Atriplex canescens var. linearis Grant D. Brown 1951-3-28 615 Riverside Date Palm Beach Comment
  SJSU5681  Atriplex canescens var. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  UC1392858  Atriplex coronata var. notatior R. F. Hoover 1968-6-6 11154 Riverside 1 mi e Perris; e of Perris Comment
  UCR241784  Atriplex coronata var. notatior A. C. Sanders, Timothy W. Chumley 2013-3-29 40721 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, vacant lot between burned house and fenced equipment yard, 0.6 km SE of Pierce St. 384 Comment
  UCR253012  Atriplex coronata var. notatior Ana Hernandez, Rose Cook 2013-4-12 042 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 760 meters west of Warren Road, Upper Salt Creek, Hemet 457 Comment
  UCR66967  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area; old San Jacinto River channel, c. 880 m NE of Davis Rd. and c. 400 m SW of first waterfowl pond. 476 Comment
  UCR66969  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2060 Riverside c. 1760 m west of Nuevo, & c. 260 m NE of intersection of Nuevo Rd. and Pico Ave., in uncultivated part of an agricultural field. 473 Comment
  UCR274331  Atriplex elegans Mitch Provance 2012-7-11 612- 63 Riverside Badlands of Western Riverside County, Beaumont, S side of 4th St., near Risco Circle 773 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
  POM642  Atriplex lentiformis T. S. Brandegee 1901-4-3 s.n. Riverside Salton, Colorado Desert. Comment
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Sep 11 2011
  SBBG72554  Atriplex lentiformis subsp. breweri M. D. Clary -Oct-1929 423 Riverside Coachella Valley -13 Comment
  SBBG1783  Atriplex polycarpa H. and M. Dearing 1938-3-6 Riverside Box Cyn Comment
  UCD97620  Atriplex prostrata O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom, just E of the old Salt Lake R.R. Bridge. 216 Comment
  RSA502490  Atriplex serenana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3731 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  RSA736656  Atriplex serenana var. serenana Justin M. Wood 2008-7-16 30 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Nov 16 2010
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  RSA736292  Atriplex suberecta Scott D. White, Justin Wood 2008-5-27 12031 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  CAS-BOT-BC213221  Ayenia compacta Frank W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs Region 457 Comment
  JOTR31822  Ayenia compacta La Doux, Tasha, Bill Truesdell 2007-11-9 2527 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  POM13868  Azolla filiculoides Philip A. Munz 1922-4-29 5099 Riverside Dripping Springs, near Temecula Creek 518 Comment
  POM243559  Baccharis brachyphylla E. C. Jaeger 1938-10-21 s.n Riverside Joshua Tree National Monument. 12 miles south of Warrens Well. In rocky gulches. Comment
  SD129583  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside Chocolate Mountains aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target (UTM:11S,PH-35E,07N) 680 Comment
  UCR25766  Baccharis brachyphylla John C. Roos 1949-4-2 4133 Riverside San Bernardino Mtns., Palm oasis in side canyon of Whitewater Canyon 856 Comment
  CLARK-A1656-855  Baccharis emoryi Jon Mark Stewart 1983-11-14 83-61 Riverside Santa Rosa Mountains 822 Comment
  LA203040  Baccharis emoryi Louis Wheeler; 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  RSA0062663  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. Elsinore. Comment
  CLARK-A1528-166  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Riverside 259 Comment
  UCR121891  Baccharis pilularis Ian G. Gillespie 2001-5-7 81 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  JOTR36094  Baccharis salicifolia subsp. salicifolia La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3321 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  OBI37442  Baccharis salicina Oscar F. Clarke 1970-10-28 Riverside Botanic Gardens of the Univ. of CA, Riverside Comment
  UCD129398  Baccharis salicina A. C. Sanders; T. Tennant 1997-11-20 21619 Riverside Lake Skinner area: mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  SD137908  Baccharis sarothroides Darin L. Banks, Steve Boyd 1995-10-17 780 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area along lower Arroyo Seco. 515 Comment
  POM47794  Baccharis sergiloides Mary F. Spencer 1918-3-29 781 Riverside Palm Springs 137 Comment
  CDA41203  Bacopa monnieri G. D. Barbe 1983-1-24 4035 Riverside Desert Island Country Club, northeast of Rancho Mirage. 0 Comment
  RSA328945  Bacopa monnieri Brad Ballen 1982-12-27 588487 Riverside growing at the edge of a lake at desert Island Country Club, 71-777 Frank Sinatra Drive Comment
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Dec 28 2011
  CAS-BOT-BC295901  Bahiopsis parishii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9550 Riverside Cottonwood Springs Canyon Comment
  JOTR34046  Bahiopsis parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2946 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA518273  Bahiopsis parishii A. C. Sanders 1989-9-19 9504 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR85075  Baileya multiradiata A. C. Sanders, Helmkamp & MacKay 1995-3-12 16019 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CAS-BOT-BC16366  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail. 853 Comment
  UCR161438  Bebbia juncea A. C. Sanders, Mike Misenhelter 2005-9-20 31683 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR96198  Bebbia juncea B. G. Pitzer 1996-11-9 2925 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  CAS-BOT-BC100130  Bebbia juncea var. aspera I. Johnston 1917-6-5 1239 Riverside Hills south of Arlington 365 Comment
  JEPS19302  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1384 Riverside Palm Canon and return to Van Deventer's Comment
  SD181715  Bebbia juncea var. aspera Scott D. White 2000-10-24 8141 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UCR256796  Bebbia juncea var. aspera T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7870 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  CSUSB3  Beloperone californica Margaret-Lee Dean 1965-3-7 S. N. Riverside Palm Desert 3 miles south of Palm Desert on Pines to Palms Highway, on roadside 121 Comment
  RSA676127  Beloperone californica Scott D. White 2001-4-12 8297 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UC1126277  Berberis aquifolium var. dictyota A. Lewis Mar 1934 323 Riverside Bedford Canyon; Corona Quadrangle, Cleveland Nat'l Forest Comment
  RSA439857  Bergia texana S. B. Parish 1891-11-3 s.n. Riverside Elsinore Lake. Comment
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Aug 8 2010
  UCR207569  Beta macrocarpa O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  HSC80236  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  CSUSB16  Bloomeria crocea D. L. Heald 1966-5-16 52 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  SDSU11582  Bloomeria crocea Ronald H. Bigelow 1962-5-23 Riverside Schloss Foundation, Just southeast from branch in road from HWY 395 to Santa Margarita River. Comment
  POM12847  Bloomeria crocea var. crocea Philip A. Munz 1922-6-24 5809 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  UC1463880  Boechera johnstonii Jeanine Derby 1977-2-1 Riverside e end Quinn Flats; San Jacinto Mts., Garner Valley Comment
  RSA0114929  Boerhavia coccinea Mitch Provance 2012-7-17 712 -15 Riverside San Gorgonio Pass: City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
  RSA0062788  Boerhavia coulteri Duncan S. Bell, Evan Meyer 2014-10-22 7653 B Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  UCR280429  Boerhavia coulteri var. palmeri Onkar Singh 2015-11-10 5621 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, southern margin of Ford Dry Lake, c. 1 km NE of intersection of I-10 and Palen Dunes Rd 111 Comment
  RSA751509  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park: Among boulders on NE end of Splitrock Picnic Area. 1327 Comment
  UCR195795  Boerhavia triquetra Tasha La Doux, J. Andre 2007-9-6 134 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  JOTR35017  Boerhavia triquetra var. intermedia La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3115 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  UCR264238  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41845 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  RSA780239  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-12 96 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  SD129261  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 609 Comment
  UCR151361  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  JOTR32605  Bouteloua aristidoides var. aristidoides La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2669 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
  UCR242303  Bouteloua barbata A. C. Sanders, T. B. Salvato 2012-10-12 40429 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  SD144090  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19858 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR213309  Bowlesia incana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37696 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  JEPS42525  Brandegea bigelovii S. B. Parish 1912-10-23 8291 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  RSA0124121  Brandegea bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8740 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA77414  Brandegea bigelovii F. W. Peirson 1921-3-23 2387 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  SBBG69429  Brandegea bigelovii L. Rowntree 1930-5-7 Riverside Hidden Springs Comment
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Aug 28 2016
  UCR85644  Brassica nigra A. C. Sanders 1993-4-5 13692 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR46701  Brassica rapa B. G. Pitzer, D. C. Hawks 1986-12-2 0365 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA184044  Brassica tournefortii I. L. Wiggins, Dorothy B. Wiggins 1966-2-22 20462 Riverside Hwy 60, 1.5 miles SE of Garnet Hill. Comment
  CLARK-A1528-1670  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Mountains Comment
  RSA609528  Brickellia desertorum L. C. Wheeler 1952-10-30 6380 Riverside Citrus Experiment Station ( = the present University of California, Riverside). Comment
  UC1259042  Briza minor Gail Schroeder 1976-5-17 145 Riverside Rancho Mirage Elementary School Rancho Mirage (w side, in area of drainage from faucet outside wall) Comment
  UCR243179  Bromus A. C. Sanders 2013-7-6 40854 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  SEINET14623185  Bromus F. S. Crosswhite 1961-1-22 1710 Riverside along Chicago Ave. 183 Comment
  RSA85126  Bromus arizonicus J. C. Roos 1952-4-9 5473 Riverside east base of Mt. Rubidoux 274 Comment
  POM47171  Bromus berteroanus Mary F. Spencer 1920-4-2 1540 Riverside Palm Springs, Colorado Desert. 122 Comment
  SBBG56633  Bromus carinatus R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1645 Comment
  CSUSB424  Bromus catharticus Kheng Try Seng 1966-4-24 660424 2 Riverside University of California, Riverside (UCR) campus 274 Comment
  RSA673731  Bromus diandrus Scott D. White, Bill La Haye 2000-5-27 7958 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET3922492  Bromus grandis Scott D. White 1999-6-6 7446 Riverside San Jacinto Mts. Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2.; 0 1433 Comment
  SEINET260204 Image available Bromus hallii M. Curto, L. Allen 1990-6-25 679 Riverside San Bernardino National Forest ; San Jacinto Mts ca 3km SE of Pine Cove on SBNF Rd 5S10 1830 Comment
  RSA595259  Bromus hordeaceus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 962 -B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  RSA556456  Bromus hordeaceus subsp. molliformis Julie Greene 1993-4-30 1263 Riverside San Jacinto Wildlife Area. North of San Jacinto River drainage. 433 Comment
  UCR153985  Bromus madritensis Arlee Montalvo, Julie M. Evans 2005-5-14 663 Riverside Santa Ana Mtns., Foothills of Santa Ana Mtns. Santa Margarita River at the Santa Margarita Ecological Reserve. At edge of sandy/rocky channel of riparian area 244 Comment
  JOTR37493  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-4-6 622 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  UC1131209  Bromus madritensis subsp. rubens A. Lewis Mar 1933 178 Riverside 2 1/2 mi s of Horseshoe Lake ((also found on Gavilon Peak)) 152 Comment
  UC1131210  Bromus madritensis subsp. rubens A. Lewis Mar 1934 329 Riverside Mouth of Bedford Canyon Bedford Canyon 243 Comment
  UCSB18533  Bromus madritensis subsp. rubens Winn, Will 1963-5-4 Riverside County Hwy R-1, 13.3 mi N of Lake Fillmore 853 Comment
  UCR24949  Bromus marginatus A. C. Sanders 1980-7-18 1655 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA0000409  Bromus orcuttianus var. hallii H. M. Hall 1901-06 2301 Riverside San Jacinto Mountains. West side. 1738 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
  SEINET14451727  Bromus rubens C. F. Shutts 1949-3-28 90 Riverside Palms to Pine Highway State 74. Santa Rosa Mountains. near Palm Springs 747 Comment
  UCR41690  Bromus rubens A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6036 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  CLARK-A1528-48  Bromus tectorum C. M. Flanagan 1973-4-26 OO 319 Riverside Morongo Indian Reservation 1158 Comment
  SEINET269549 Image available Bromus tectorum Scott D. White 1996-4-14 3911 Riverside East of Hemet: San Jacinto River Wash near Valle Vista north of highway 74 about 1.7 miles west of USFS Cranston Fire 533 Comment
  SEINET6196154 Image available Bromus tectorum Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-4-12 4429 Riverside San Bernardino Mountains region,Transverse Ranges: Whitewater Canyon, Along Whitewater River Drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  UCR137501  Bromus tectorum D. L. Banks, V. W. Steinmann 1997-3-13 1489 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  IRVC28832  Caesalpinia virgata Mark A. Elvin 2005-4-26 4227 Riverside Coachella Valley; W of Coachellay Valley Preserve. Northern Sonoran Desert 84 Comment
  RSA167552  Caesalpinia virgata R. F. Thorne, Robert L. Rutherford 1964-4-12 33656 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  UC192964  Caesalpinia virgata S. B. and W. F. Parish Mar 1884 591 Riverside Colorado Desert Comment
  UCR25957  Caesalpinia virgata John C. Roos 1947-3-15 3353 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  UCR111602  Calandrinia ciliata Mitch Provance 1998-4-8 1776 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR136263  Calandrinia ciliata A. C. Sanders 2004-4-20 27566 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
  CDA2648  Callisia repens A. C. Sanders 2001-11-2 24886 Riverside San Bernardino Valley Region; Riverside, yard of house at 422 Campus View Dr. Comment
  UCSB45531  Callitriche marginata Roos, John 1952-4-16 Riverside Edgemont; near Box springs 487 Comment
  RSA572185  Calocedrus decurrens C. Epling 1931-10-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC132462  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains: SE Pyrite Canyon, ca .3 NW of the Jurupa Mountains Culture Center 366 Comment
  RSA588987  Calochortus plummerae D. E. Bramlet 1994-6-16 2384 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  SBBG952  Calochortus plummerae L. Long 1940-6-9 Riverside Palms to Pines Hwy, E of Hemet Comment
  RSA496570  Calochortus splendens Bill Wagner 1988-4-5 s.n. Riverside NW of Murrieta. 381 Comment
  UCR16065  Calochortus splendens Loretta Bates 1978-5-27 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: Mesa de Burro south of Tenaja Road, 4 mi west of Murrieta Comment
  UCR167665  Calochortus splendens Ian G. Gillespie, Abby Sirulnik 2000-5-7 31 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR273986  Calochortus splendens Mitch Provance 2012-4-27 412- 31 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
  RSA1315  Calochortus weedii J. T. Howell 1928-7-9 1079 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  RSA689609  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-5-27 9412 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
  RSA559358  Calycadenia tenella Steve Boyd 1993-5-13 7384 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR75067  Calycoseris wrightii A. C. Sanders, E. Lawlor 1992-4-4 12114 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR238086  Calyptridium monandrum Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2054 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR112595  Calystegia macrostegia subsp. arida Mitch Provance 1998-2-17 65 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  CSUSB675  Calystegia macrostegia subsp. longiloba Kenneth Hibberd 1966-3-27 660327 3 Riverside La Sierra Road, 2.5 miles south of Victoria Street heading toward Lake Mathews. 365 Comment
  CAS-BOT-BC221319  Calystegia macrostegia subsp. tenuifolia John Thomas Howell 1930-5-10 4801 Riverside At top of St. John's Grade Comment
  RSA770637  Camissonia Robert F. Thorne, M. Z. Thorne 1973-3-30 42684 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UC1602147  Camissonia Philip A. Munz 1926-1-31 9973 Riverside Dos Palmos Spring Colorado Desert Comment
  UCR172246  Camissonia bistorta 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
  UCR93824  Camissonia bistorta P. J. MacKay 1996-6-15 003 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA776640  Camissonia brevipes subsp. brevipes Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1097 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  RSA78451  Camissonia brevipes subsp. brevipes Verne Grant, Alva Grant 1952-4-1 17516 Riverside 9 miles E of Mecca Comment
  RSA162841  Camissonia californica J. D. Olmsted 1958-6-15 189 Riverside San Jacinto Mountains. Intersection of Strawberry Creek with Idyllwild-Hemet road [Hwy 74] 8 miles below and West of Mt. Center. Along roadside. 915 Comment
  RSA466175  Camissonia californica N. C. Cooper 1945-3-24 1616 Riverside Cabazon. 457 Comment
  JOTR31901  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  UCR168447  Camissonia chamaenerioides Mary F. Spencer 1920-4-7 1465 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Canyon 244 Comment
  UCR241524  Camissonia claviformis A. C. Sanders, Ann Howald 2013-2-27 40547 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  CLARK-A1656-687  Camissonia claviformis subsp. aurantiaca Lois Ann Scott 1978-2-2 Riverside San Jacinto Mountains 152 Comment
  POM3093  Camissonia claviformis subsp. aurantiaca I. M. Johnston 1917-4-4 1076 Riverside Near Palm Springs. 152 Comment
  RSA118386  Camissonia claviformis subsp. aurantiaca P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22963 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  RSA72237  Camissonia claviformis subsp. aurantiaca F. W. Peirson 1920-2-16 2707 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  RSA766614  Camissonia claviformis subsp. peirsonii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 174 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  RSA771117  Camissonia confusa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4925 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
  UC20483  Camissonia confusa H. M. Hall July, 1901 Riverside Fuller's Mill Mountains San Jacinto Mountains 1584 Comment
  CLARK-A1528-2660  Camissonia hirtella John C. Roos 1937-5-10 2187 Riverside Elsinore Comment
  RSA735858  Camissonia hirtella Scott D. White, Justin M. Wood 2008-4-16 11882 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UCR240653  Camissonia hirtella Tracy Tennant, Mitch Provance 1998-6-16 MOR- 406 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 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
  JOTR35454  Camissonia pallida subsp. hallii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 58 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  HSC25792  Camissonia pallida subsp. pallida Richard Spjut 1972-3-30 2349 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  POM37761  Camissonia pallida subsp. pallida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA0031748  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4465 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR216226  Camissonia refracta Jim Andre, T. La Doux 2009-2-28 10839 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  RSA741194  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-5-15 11974 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  OBI29873  Camissoniopsis bistorta Melissa Luckow, Rhonda Riggins 1982-4-15 828 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  SDSU3365  Camissoniopsis hirtella H. Wedberg 1958-5-17 301 Riverside About 7.4 miles from railroad station at Banning on road to Idyllwild. Comment
  UC69873  Camissoniopsis ignota Mrs. C. M. Wilder 1905-4-20 87 Riverside near Riverside; Jurupa Hills, Wilder's Canyon Comment
  CHSC26018  Camissoniopsis pallida subsp. pallida Dieter H. Wilken 1965-6-29 302 Riverside Along County Route 1, about 3 miles south of Banning, San Jacinto Mtns. 914 Comment
  UCR241250  Capsella bursa-pastoris T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1208 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  CLARK-A1528-177  Carduus pycnocephalus Larry Cohen 1969-5-8 Riverside Reche Canyon 457 Comment
  RSA201250  Carex athrostachya Peter Kamb 1947-6-7 579 Riverside Hall Canyon, San Jacinto Mountains. 1646 Comment
  UCR227911  Carex bolanderi Peter F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains, bridge over North Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  CAS-BOT-BC20708  Carex fracta Peter Kamb 1948-7-3 1138 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  SEINET11125889 Image available Carex fracta P. Zika, Otting, N 2010-1 25298 Riverside San Jacinto Mountains (SnJt). N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest. Comment
  UC472736  Carex fracta Mary Fiske Spencer 1919-6-19 Riverside Idyllwild 1615 Comment
  POM14312  Carex hassei Phillip A. Munz 1922-6-27 5862 Riverside Santa Rosa Mountains. 2012 Comment
  RSA508011  Carex multicaulis Steve Boyd, Carol Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2298 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR44463  Carex multicaulis A. C. Sanders 1986-6-1 6563 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UC729874  Carex multicostata Carl B. Wolf 1932-8-5 3983 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  POM14380  Carex praegracilis Phillip A. Munz 1922-7-4 5971 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA199002  Carex praegracilis Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37599 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  RSA648963  Carex praegracilis A. C. Sanders, Steve Boyd 1980-5-19 1501 Riverside San Jacinto Mtns., Garner Valley. west of Kenworthy Ranger Station. 1371 Comment
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Mar 25 2011
  RSA680524  Carex praegracilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8649 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC146414  Carex sartwelliana Charlotte M. Wilder 1909-7-14 918 Riverside above Idylwild (Strawberry creek); San Jacinto Mt. Comment
  UCR4013  Carex senta Val Chase 1965-4-30 105 Riverside San Jacinto Mountains, San Bernardino National Forest. 15 yards downstream from the dam & spillway of Lake Fulmor. 1524 Comment
  RSA500192  Carex subfusca Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3552 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SD136988  Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, west of junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main truck of San Mateo Creek. 671 Comment
  UCR59508  Castilleja affinis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3557 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  UCR146438  Castilleja applegatei subsp. martini R. F. Thorne, Et al. 1969-6-24 38086 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA489623  Castilleja applegatei subsp. martinii D. Charlton 1988-5-28 2129 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  SEINET3289840 Image available Castilleja applegatei subsp. martinii M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1445 Riverside Peninsular Ranges; San Jacinto Mountains region: Northeast side of Tahquitz Peak, on trail to Saddle Junction. 2637 Comment
  UCR132858  Castilleja densiflora Kent Beaman 1983-4-24 30 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road 8 miles west of Hwy 15 to Tenaja Rd., 2.5 miles west to where road begins to go up over pass at west edge of open grassy area , SE foot of Squaw Mountain 671 Comment
  UC886538  Castilleja exserta I. W. Clokey and B. C. Templeton 1930-4-9 4712 Riverside Moreno Grade 700 Comment
  RSA0080320  Castilleja exserta subsp. exserta Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7360 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  SEINET6985157  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  CLARK-A1528-845  Castilleja foliolosa Fred B. Essig 1967-4-2 Riverside 761 Comment
  JEPS3913  Castilleja foliolosa W. L. Jepson 1939-4-19 19215 Riverside w of Aguanga; Dripping Spring 396 Comment
  RSA400575  Castilleja foliolosa N. R. Zabriskie, Walter M. Zabriskie 1971-4-6 359 Riverside North-facing slope. Andreas Canyon, east slope San Jacinto Mts. 457 Comment
  RSA0010952  Castilleja miniata subsp. miniata Mary F. Spencer 1923-7-8 2234 Riverside Saunders Meadows. pr. Idyllwild, San Jacinto Mt. 1829 Comment
  UC199386  Castilleja minor subsp. spiralis G. R. Hall 1908-1 Riverside Riverside Comment
  UCR132912  Castilleja minor subsp. spiralis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA0076467  Castilleja stenantha Gale Sphon 1959-5-2 320 Riverside Horsethief Canyon. Comment
  SD167181  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 Riverside Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UCR67354  Caulanthus heterophyllus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4093 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  UCR67366  Caulanthus heterophyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3909 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  UCR244873  Caulanthus lasiophyllus Jim Andre 2012-3-19 21396 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UC1594220  Ceanothus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3099 Riverside 1 mi W of Vail Lake 609 Comment
  CLARK-A1528-5724  Ceanothus crassifolius John C. Roos 1948-5-22 3862 Riverside Box Springs Mountains Comment
  HSC86946  Ceanothus crassifolius B. Pitzer, E. Misqez 1988-2-28 619 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  RSA606763  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27426 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA606776  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27425 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SEINET10824794  Ceanothus crassifolius Nye Leith, Greg Gust 2005-3-11 Nye 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UC1979529  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCD111431  Ceanothus crassifolius R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga, southern border of county. Comment
  UCR265822  Ceanothus crassifolius Mitch Provance 2012-5-24 512- 03 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA399036  Ceanothus cuneatus Bonnie C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 600 Comment
  RSA575058  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -B Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA0034415  Ceanothus cuneatus I. W. Clokey, E. N. Anderson 1935-4-16 6733 Riverside East of Hemet 560 Comment
  RSA748220  Ceanothus greggii var. perplexans T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 111 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  RSA4386  Ceanothus leucodermis Carl B. Wolf 1932-3-20 32 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC1292595  Ceanothus leucodermis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23109 Riverside on road to Elsinore 10 mi n Pala; n of Pala Comment
  UCD166232  Ceanothus leucodermis Jack Major 1962-4-16 774 -a Riverside Mt. San Jacinto, south side. (Exact location unknown. Coordinates estimated by label maker.) 1524 Comment
  RSA263748  Ceanothus oliganthus E. W. Lathrop 1968-5-22 6905 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA714663  Ceanothus papillosus Chris E. True, Robert Cox 2004-7-7 s.n. Riverside Santa Ana Mtns.: Main Divide Trail, 0.6 km NE of summit of Pleasants Peak. 1067 Comment
  POM254871  Ceanothus papillosus var. roweanus W. Pequegnat s.n. Riverside 7 mi. south of Sierra Peak, on Main Divide Rd. 1159 Comment
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Nov 20 2010
  UCR26625  Ceanothus tomentosus E. W. Lathrop 1966-3-23 6078 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UC536792  Celtis reticulata R. Bacigalupi 1935-6-27 2358 Riverside Banning; 1/4 mi up small canyon at head of 16th Street, on ranch of Arthur Gilman Comment
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Mar 13 2011
  OBI38364  Cenchrus echinatus David J. Keil 1980-11-30 s.n. Riverside Vicinity of Indio Comment
  OBI4694  Cenchrus echinatus T. C. Fuller 1962-10-2 9695 Riverside SW corner of Hayes St and hwy 111 to Niland. 4 mi SE of Mecca Comment
  RSA763063  Centaurea melitensis E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  UC1931225  Centaurea melitensis Scott D. White, Justin Wood 2008-6-17 12174 Riverside San Jacinto Mountains: Garner Valley - Kenworthy Station (USFS) Comment
  RSA735927  Centaurea solstitialis Scott D. White, Justin M. Wood 2008-5-29 12043 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  RSA209603  Centaurium venustum Robert Eaton 1968-5-13 680513 -11 Riverside Tenaja Rd. 8.5 miles from Washington St. Murietta. Sandia Canyon. 305 Comment
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Apr 20 2008
  UC456205  Centaurium venustum I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 1219 Comment
  UCR143352  Centaurium venustum N. C. Cooper 1944-7-15 1585 Riverside Peninsular Range; San Jacinto/Santa Rosa Mtns., Palms to Pines Highway 1372 Comment
  UCR1547  Centaurium venustum David L. Davis, R. G. Barber 1962-5-13 119 Riverside Santa Ana Mtns., Murrieta, 1 mi. [SW] on Ivy Street from main road [Washington Ave.] 396 Comment
  SEINET8583414  Centaurium venustum H. M. Hall 1905-4-30 5915 Riverside Palisade. 76 Comment
  RSA689430  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -243 Riverside City of Lake Elsinore, vicinity of Campbell St. and Diamond Drive Comment
  RSA707581  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SBBG128832  Centromadia pungens subsp. laevis J. George 2012-7-9 Riverside San Timoteo Cyn, W side of San Timoteo Cyn Rd, NE corner of Fisherman's Retreat Lake 597 Comment
  UCR266912  Centromadia pungens subsp. laevis D. E. Bramlet 2005-5-24 3862 Riverside Perris-Aguanga Basin Region, Warm Springs Creek, west of I-15, between Golden Gate Circle and Nick Lane 323 Comment
  POM2210  Centrostegia thurberi H. M. Hall 1905-05 6021 Riverside Cottonwood Mountains, Colorado Desert 610 Comment
  RSA232956  Cercidium floridum D. A. Young 1969-4-18 P- 320 Riverside 3 miles SE of Hwy 74 ( approx. 8 miles S of Palm Desert, Cali.) on Carriage Trail road near the Deep Canyon Research Station. 366 Comment
  JEPS64759  Cercidium floridum subsp. floridum W. L. Jepson 1927-4-12 11684 Riverside Mecca Painted Canyon (in wash) 76 Comment
  OBI5880  Cercocarpus betuloides Carl B. Wolf 1931-5-11 1950 Riverside Above Hemet Valley, San Jacinto Mts 1695 Comment
  POM301780  Cercocarpus betuloides James E. Cole 1941-4-21 633 Riverside Joshua Tree National Monument 1402 Comment
  SD229256  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-3-26 669 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCR183179  Cercocarpus betuloides var. betuloides Mitch Provance 2003-5-5 4412 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CAS-BOT-BC279447  Chaenactis Palmer Stockwell 1940-4-24 1503 Riverside Banning Comment
  RSA674959  Chaenactis artemisiifolia Scott D. White, Teresa Salvato 2001-6-8 8568 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR19838  Chaenactis artemisiifolia Henry E. Davis 1969-5-18 29 Riverside Beaumont Badlands, off Redlands Blvd., on top of ridge 1 mile from main road 734 Comment
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Sep 13 2015
  RSA0013751  Chaenactis carphoclinia April Garbat, Sarah J. De Groot 2013-3-27 29 -a Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  RSA727395  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1384 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UCD130230  Chaenactis carphoclinia C. L. Hitchcock 1966-3-20 24314 Riverside 5 miles north of Milpitas Wash and 12 miles northwest of Blythe-Glamis Road. Comment
  LA203110  Chaenactis carphoclinia var. carphoclinia Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  RSA271141  Chaenactis carphoclinia var. carphoclinia C. W. Tilforth, John Dourley, Walter Wisura 1977-5-19 1326 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  UC1546631  Chaenactis carphoclinia var. carphoclinia Barry A. Prigge 1988-2-21 7853 Riverside 2 mi w of Clemans Well; Colorado Desert, Orocopia Mountains 228 Comment
  RSA771677  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4991 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 W116.66012 750 Comment
  UCR100089  Chaenactis fremontii R. G. Swinney 1967-3-5 45 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR90163  Chaenactis fremontii R. W. Scora 1966-4-1 3010 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  CLARK-A1045-326  Chaenactis glabriuscula George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  UCR59522  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3608 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCSB69915  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
  POM351763  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-3-25 1029 Riverside Cabazon. 457 Comment
  RSA278485  Chaenactis glabriuscula var. glabriuscula John F. Emmel 1977-6-26 573 Riverside San Jacinto Mts, flat area 0.1 air mile WNW of Vista Grande Ranger Station, ESE of Ranger Peak 1500 Comment
  UC31026  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-25 1181 Riverside Van Deventer's, El Toro Region San Jacinto Mountains, El Toro Region 1402 Comment
  UC1543221  Chaenactis glabriuscula var. lanosa Donald G. Nelson 1936-5-21 381 Riverside n Mt. Thomas (e of Lake Hemet, slopes just n of meadow in valley just e of Hurkey Creek Camp area, San Jacinto Mountains); San Jacinto Mountains, e of Lake Hemet, n of Mt. Thomas Comment
  SD135114  Chaenactis parishii Craig Reiser, Dylan Hannon 1993-5-30 Riverside Along Santa Rosa Peak Road Comment
  CAS-BOT-BC284355  Chaenactis stevioides H. M. Hall 1901-4-5 5935 Riverside Colo. Desert Comment
  UCR167197  Chaenactis stevioides S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR249658  Chaenactis stevioides T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7303 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR201698  Chaetopappa aurea Scott D. White, Justin M. Wood 2008-5-15 11987 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA770643  Chamaesyce R. F. Thorne 1966-10-15 41777 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  SEINET3102124  Chamaesyce abramsiana Marc A. Baker, Alice Karl 2011-10-5 17473 Riverside Just west of Black Creek Road, 8.7km northwest of the summit of McCoy Peak, 21km northwest of Blythe, lower bajada on the east flank of the McCoy Mountains. 170 Comment
  UC2031390  Chamaesyce abramsiana Duncan S. Bell with John Anderson, Kim Clark, Debbie George, Jim George, and Ed Howland 2013-9-28 6019 Riverside Chuckawalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air miles SE of Hopkins Well. Comment
  RSA501028  Chamaesyce albomarginata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3148 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA475290  Chamaesyce polycarpa Steve Boyd 1988-3-10 2100 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA517812  Chamaesyce polycarpa Steve Boyd, Orlando Mistretta 1986-3-13 s.n. Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA784937  Chamaesyce polycarpa Duncan S. Bell 2012-2-12 3105 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA798153  Chamaesyce polycarpa Marc Baker, Michelle Cloud-Hughes 2011-12-18 17504 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  UC665745  Chamaesyce polycarpa I. L. Wiggins 1941-3-26 9665 Riverside Wiley Well Comment
  RSA338176  Chamaesyce polycarpa var. polycarpa R. F. Thorne 1979-8-22 53584 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA433509A  Chamaesyce polycarpa var. polycarpa L. H. Jones 1910-3-17 s.n. Riverside In Sand, Riverside Mountain, Colorado river. Comment
  RSA626234  Chamaesyce serpens L. C. Wheeler 1967-5-15 9549 Riverside University of California at Riverside. Comment
  CDA35278  Chamaesyce serpillifolia subsp. serpillifolia Louis C. Wheeler 1965-6-27 8692 Riverside Corona: Overboltzer s Grove. 0 Comment
  UCR246388  Chamaesyce setiloba Duncan S. Bell, Aaron Sedgwick 2012-9-13 4201 Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  CAS-BOT-BC66320  Cheilanthes clevelandii Peter H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  UCR178197  Cheilanthes covillei Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1018 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UCR214010  Cheilanthes newberryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37798 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  CAS-BOT-BC68053  Cheilanthes parryi S. B. Parish 1918-3-27 19191 Riverside Colorado Desert - Palm Springs, Tahquitz Canyon Comment
  CAS-BOT-BC68093  Cheilanthes parryi John Thomas Howell 1928-1-31 3317 Riverside Colorado Desert - Pinto Basin Comment
  CAS-BOT-BC70336  Cheilanthes parryi Milo S. Baker 1928-4-3 3292 a Riverside Palm Canyon Comment
  RSA776011  Cheilanthes parryi Duncan S. Bell 2010-3-20 617 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SEINET3124930 Image available Cheilanthes parryi Andrew C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-1 15925 Riverside Sonoran (Colorado) Desert; Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 580 Comment
  UC399593  Cheilanthes parryi S. B. Parish 1907-4-18 6113 Riverside Palm Springs; Colorado Desert Comment
  POM9750  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  CAS-BOT-BC70378  Cheilanthes viscida P. A. Munz 1941-10-1 17237 Riverside on Palms to Pines Highway, north base of Santa Rosa Mts. Comment
  UCR114094  Chenopodium album A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  RSA653504  Chenopodium album var. missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river., 33 deg 58'30''N, 117 deg 24'10''W 232 Comment
  CLARK-A1528-4990  Chenopodium californicum John C. Roos 1951-9-25 5301 Riverside Riverside 259 Comment
  UCR92317  Chenopodium californicum Scott D. White 1994-3-29 1931 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR230934  Chenopodium murale T. B. Salvato, Richard Camacho 2011-6-12 5475 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA666524  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2255 Riverside Jurupa Mountains: Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. [Coordinates are off] 287 Comment
  UC1929903  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. 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
  RSA455305  Chilopsis linearis subsp. arcuata D. A. Young 1969-8-17 P- 505 Riverside Colleted approx. 3 mi. SE of Whitewater, Calif. on Hiway 111, on the S. side of the road. 335 Comment
  CAS-BOT-BC451475  Chimaphila umbellata P. A. Munz 1922-9-6 6387 Riverside North fork of Tahquitz Creek 2209 Comment
  RSA192143  Chlorogalum parviflorum H. A. Zuill 1966-6-19 222 Riverside 6 miles SW of Murrieta on the road to Los Alamos Ranch. Comment
  CAS-BOT-BC191705  Chorizanthe brevicornu var. brevicornu Geo. B. Grant 1906-4-20 6715 Riverside Palms Springs Comment
  CAS-BOT-BC191706  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert. 5 mi E of Mecca, on Blythe Road 30 Comment
  SD225062  Chorizanthe brevicornu var. brevicornu G. K. Helmkamp 1998-2-5 2639 Riverside Palm Springs, 1.1 mi. W of CA Hwy 111 on Tramway Rd. 334 Comment
  RSA392657  Chorizanthe corrugata N. C. Cooper 1949-4-8 3235 Riverside Indio. Mecca Pass, east of Indio. 457 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
  RSA785185  Chorizanthe parryi var. parryi D. E. Bramlet 1992-4-23 2238 Riverside Double Butte Park, in bowl area between the Double Buttes, c. 610 m north of the edge of the old landfill, and 107 m east of the existing (eastern) access road 500 Comment
  UCR116991  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato 2001-5-3 24072 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR281262  Chorizanthe polygonoides var. longispina Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 37 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  UCR78441  Chorizanthe polygonoides var. longispina Scott D. White 1993-4-20 1207 Riverside Estelle Peak, Gavilan Hills 826 Comment
  RSA16359  Chorizanthe procumbens Percy C. Everett 1935-6-18 7173 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
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Dec 29 2009
  UCR77755  Chorizanthe procumbens Steve Boyd, Orlando Mistretta 1991-5-22 6294 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  UC57063  Chorizanthe rigida E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert, s of Palm Springs Comment
  RSA263673  Chorizanthe staticoides E. W. Lathrop 1968-6-2 6955 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA698369  Chorizanthe xanti var. leucotheca Olive Van Meter 1933-5-30 s.n. Riverside Whitewater region. Comment
  RSA601162  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. 884 Comment
  UCR23281  Chrysothamnus nauseosus John C. Roos, L. Roos 1950-10-21 5013 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 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
  UCR167333  Chrysothamnus paniculatus Scott D. White, Jennifer H. Jones 2005-5-24 11105 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR177274  Chrysothamnus paniculatus Scott D. White, Michael Honer 2003-5-13 9250 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR96038  Chrysothamnus paniculatus A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer 1996-11-9 19647 Riverside Sonoran (Colorado) Desert, Orocopia Mtns., near 'Bob's Cabin', 5 mi. (air) south of Hayfield Pump Sta., east of Maniobra Valley, central section of arroyo (N of peak 2552 to Bench Mark 1899) 610 Comment
  SEINET7883464 Image available Chrysothamnus paniculatus Lewis S. Rose 1935-1 35677 Riverside Colorado Desert; Whitewater Wash, 3 mi SE Palm Springs Station 305 Comment
  UCR279347  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-23 42936 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  SD21522  Chylismia brevipes subsp. brevipes Frank F. Gander 1938-5-21 5765 Riverside Shaver's Summit. Comment
  CAS-BOT-BC160621  Chylismia claviformis subsp. aurantiaca L. A. Greata 1905-4-1 435 Riverside Coachella Comment
  UC217899  Chylismia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-14 4994 Riverside Indian Wells Colorado Desert 91 Comment
  UCD103919  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  CAS-BOT-BC162782  Chylismia claviformis subsp. claviformis N. Aitkenhead 1977-2-2 60062 A Riverside ~1 mile from junction of J.T. Mon. Rd. & pipeline. Comment
  UCR56326  Cicer arietinum J. C. Hitchcock 1989-4-12 s.n. Riverside University of California, Riverside, next to the Agricultural Operations Buildings, [south] of Pennsylvania Ave. 309 Comment
  POM352169  Cirsium occidentale var. californicum Norman C. Cooper 1949-6-1 3997 Riverside Elsinore. 457 Comment
  UCR161401  Cirsium occidentale var. californicum A. C. Sanders, Mike Misenhelter 2005-9-20 31673 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  POM46849  Cistanthe monandra H. M. Hall 1904-5-19 4944 Riverside Fairmont Park. Comment
  RSA161332  Cistanthe monandra P. H. Raven 1958-5-18 12979 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  UC373504  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside 8 mi w Prado; Santa Ana Canyon 400 Comment
  UCR268275  Clarkia rhomboidea Jim Andre 2012-6-15 30537 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  CLARK-A1528-3372  Clarkia unguiculata John C. Roos, Lucille Roos 1952-4-28 5587 Riverside Fairmount Park 259 Comment
  SBBG35049  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-19 Riverside Idyllwild to Hemet Lake 1828 Comment
  CAS-BOT-BC439795  Claytonia perfoliata Steve Boyd 1986-4-2 1613 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR121694  Claytonia perfoliata A. C. Sanders 2002-5-4 25039 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  UCR121658  Claytonia perfoliata subsp. intermontana A. C. Sanders 1997-3-19 20019 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  RSA748815  Claytonia perfoliata subsp. perfoliata G. Gust, L. Nye 2005-3-12 556 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  RSA386286  Clematis pauciflora Ora M. Clark 1929-4-6 1940 Riverside S San Jacinto. Comment
  RSA386290  Clematis pauciflora E. Crow 1929-3-17 199 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA519251  Clematis pauciflora Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  SDSU12919  Clematis pauciflora Janet M. Knots, Jill Steinberg 1998-3-11 11 III1998B Riverside ca. 0.25 mile along foot trail leading southeast from road, ca. 0.25 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  RSA278958  Cleome isomeris B. A. Prigge, L. Martinez 1978-3-23 2401 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
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May 20 2013
  RSA440811  Cleome isomeris Ralph Hoffmann 1932-11-26 s.n. Riverside Beaumont-Banning Pass. Comment
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Apr 2 2011
  RSA440823  Cleome isomeris E. Crow 1928-11-12 44 Riverside Morongo Valley, Colorado Desert. Comment
  SEINET201434  Coldenia palmeri Reino Alava 1958-3-3 1831 Riverside Along US Hwy 95, 27 miles south of Vidal, northeast of the Big Maria Mts 98 Comment
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Mar 28 2014
  CAS-BOT-BC52502  Colubrina californica Marjorie Clary 1935-11-17 2568 Riverside Eagle Mts. (SE. slopes), 3 mi. E. of Mecca-Blythe road Comment
  RSA774480  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside NW of the Blythe airport and in the washes eas of the McCoy mountains. Comment
  UCR281218  Convolvulus simulans Mitch Provance, Jeremiah George 2017-3-23 317- 43 Riverside Temescal Valley, east side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail 361 Comment
  SBBG68642  Cordylanthus nevinii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  JOTR28748  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Ileene Anderson 2004-10-4 1640 Riverside Joshua Tree National Park. STOP 1 = Little SB Mtns; above Keys Ranch 1277 Comment
  RSA561884  Cordylanthus rigidus subsp. setiger Steve D. Boyd, Tim S. 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 on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA0030791  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  POM356162  Corethrogyne filaginifolia Albert J. Perkins 1916-9-2 s.n. Riverside Idylwild Comment
  RSA356741  Crassula aquatica R. F. Thorne 1973-5-23 45523 Riverside Santa Rosa Plateau - Mesa de Colorado. 610 Comment
  SDSU16682  Crassula connata Francis H. Bozzolo 2006-4-16 8 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. SE side of dirt road ca. 1m from road edge. 360 Comment
  UCR174942  Crassula connata Jennifer H. Jones, Toby Bartels 2006-4-23 282 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR20730  Crassula connata A. C. Sanders, Steve Boyd 1980-5-2 1394 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CSUSB616  Crassula erecta Paul M. Estes 1962-3-17 Riverside Box Springs Mountains West slope of Box Springs Mountains, 1.5 miles west of Big "C" Road in dry stream bed. 761 Comment
  UCR110918  Cressa truxillensis A. C. Sanders, K. C. Rose 1999-6-18 22820 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR82247  Cressa truxillensis J. M. Stewart 1994-5-2 864 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  CAS-BOT-BC175810  Crossosoma bigelovii P. A. Munz 1935-4-8 13834 Riverside Sheephole Mts., southern Mojave Desert 1066 Comment
  POM153341  Crossosoma bigelovii Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  RSA296142  Crossosoma bigelovii B. A. Prigge 1980-8-18 3964 Riverside San Bernardino Mts, Whitewater Canyon; 2.3 mi. upstream from trout farm. 866 Comment
  RSA480579  Croton californicus W. Hutchinson 1921-4-1 s.n. Riverside Palm Springs Comment
  SD216474  Croton californicus Carol R. Annable 1995-3-9 2255 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UC1334737  Croton californicus C. W. Tilforth 1967-2-11 102 Riverside Desert Hot Springs Colorado Desert (along roadside) 335 Comment
  RSA189421  Croton californicus var. mohavensis L. S. Rose 1966-12-11 66097 Riverside Palm Springs. 152 Comment
  UCR136164  Croton setiger A. C. Sanders 2004-6-20 28217 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  GMDRC5506  Cryptantha J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21088 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  SEINET9359277  Cryptantha Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  NY1154342  Cryptantha angustifolia N. H. Holmgren 1973-3-22 6468 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  POM15232  Cryptantha angustifolia Mary F. Spencer 1922-3-26 2010 Riverside Mecca -49 Comment
  SD21525  Cryptantha angustifolia Frank F. Gander 1938-5-21 5768 Riverside Shaver's Well Comment
  UCD119593  Cryptantha angustifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas. 15 Comment
  UCR116714  Cryptantha angustifolia Helen Kennedy, Sara Mills 2001-3-17 5398 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  RSA339315  Cryptantha barbigera R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54031 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA747728  Cryptantha barbigera Scott D. White, Justin M. Wood 2009-3-24 12562 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA795812  Cryptantha barbigera C. P. Cowan 1978-4-23 1173 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UC1063930  Cryptantha barbigera H. S. Yates 1937-3-23 6446 Riverside 15 mi nne Medda; Thermal Quad. 457 Comment
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Apr 6 2011
  UCR1353  Cryptantha barbigera Frank C. Vasek 1960-3-24 600324- 25 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  SEINET10455562  Cryptantha barbigera A. K. Evans 1976-4-13 Evans 5186 Riverside Rocky slopes of Santa Rosa mountains. Comment
  UCR227003  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-2 16234 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
  JOTR33967  Cryptantha circumscissa var. circumscissa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2853 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA0123287  Cryptantha decipiens Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9000 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
  SEINET2042439 Image available Cryptantha decipiens A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16139 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. T3S R3E sec 11 (S/2) (sec14 and sec 14 N/2 and sec 24) 329 Comment
  UCR52068  Cryptantha decipiens var. decipiens D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  RSA182347  Cryptantha intermedia J. D. Olmsted 1962-5-2 3445 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA633324  Cryptantha intermedia R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 -C Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA771755  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4632 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA779066  Cryptantha intermedia C. P. Cowan 1978-4-25 1277 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  RSA79564  Cryptantha intermedia F. W. Peirson 1913-04 1023 Riverside Whitewater at head of Coachella Valley. Comment
  SD136884  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 609 Comment
  SD181668  Cryptantha intermedia Scott D. White, Teresa Salvato 2001-6-8 8580 Riverside Santa Ana Mountains; southern margin of county, just northeast of Rainbow Valley. 334 Comment
  SEINET3084399 Image available Cryptantha intermedia B. Pitzer 1986-4-26 183 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UC669274  Cryptantha intermedia Annie M. Alexander and Louise Kellogg 1941-3-23 1994 Riverside Palm Springs Colorado Desert, Tahquitz Canyon 170 Comment
  UCR164890  Cryptantha intermedia S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR215620  Cryptantha intermedia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 07 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCR92343  Cryptantha intermedia Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  UCSB5583  Cryptantha intermedia Gunnerson, Robert; G., D. 1953-3-22 Riverside At Devil's Garden Comment
  SDSU21023  Cryptantha juniperensis A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range: Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. (Lake Mathews 7.5' +/- 100m). Sandy californicus, Bromus diandrus. 314 Comment
  RSA718865  Cryptantha maritima Michael Honer, L. Hulse 2005-3-8 2041 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  UCR92483  Cryptantha maritima George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  POM99142  Cryptantha maritima Marcus E. Jones 1926-2-16 s.n Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA0089245  Cryptantha micrantha subsp. lepida Steve D. Boyd, Gary D. Wallace 2005-7-30 11639 Riverside Peninsular Ranges; San Jacinto Mountains region: San Jacinto Mountains State Park, Hidden lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek. 2659 Comment
  RSA388332  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  SEINET3145436  Cryptantha muricata R. W. Spellenberg, N. Zucker 2001-3-27 13186 Riverside Desert Hot Springs. Indian Ave., 0.5 km S of jxn w/ Calif. Hwy 62 540 Comment
  UCR104894  Cryptantha muricata A. C. Sanders 1997-3-19 20010 Riverside Lake Skinner area, slopes north of Tucalota Creek c. 3/4 mi. (1.25 km) east of the lake 470 Comment
  UCR18155  Cryptantha muricata A. C. Sanders 1978-4-1 00206 Riverside Santa Rosa Mtns, Pinyon Crest, on Hwy 74 1098 Comment
  JOTR35065  Cryptantha muricata var. jonesii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3517 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA0079359  Cryptantha muricata var. muricata Steve Boyd, Rita Gentry 1991-5-30 6316 Riverside Murrieta, summit of Hogbacks on Gentry Experimental Farm. 543 Comment
  OBI66287  Cryptantha nevadensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1450 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  UCD120018  Cryptantha pterocarya William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  GMDRC2046  Cryptantha utahensis J. Andre 2006-4-26 6765 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  JOTR30661  Cryptantha utahensis La Doux, Tasha, Jim Andre 2008-3-21 148 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  UC79447  Cryptantha utahensis C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  RSA781916  Cuscuta denticulata Duncan S. Bell 2010-5-1 894 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
  POM48532  Cuscuta salina P. A. Munz 1924-6-21 8202 Riverside On Cressa, alkaline dry flats, Lake Elsinore. 372 Comment
  CLARK-A1703-58  Cuscuta subinclusa H. A. Zuill 1966-7-4 276 Riverside Murrieta Comment
  SD181582  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Corona, near Bedford Cyn, dissected alluvial slope, foothills at eastern slope of Santa Ana Mtns, 'Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. USGS 7.5' corona South quad. 334 Comment
  UCR10176  Cylindropuntia bigelovii Anonymous 1969-5-25 21 Riverside Southern Mojave Desert/Sonoran (Colorado) Desert, Joshua Tree Natl. Monument near road leading from Cottonwood Springs to Twenty-nine Palms, in the cholla garden of the Monument 1220 Comment
  CAS-BOT-BC59396  Cylindropuntia bigelovii var. bigelovii L. R. Abrams 1926-3-26 11212 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET5624461 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  CDA33349  Cynanchum utahense Mike Lahti 2009-9-21 PDR# 1501826 Riverside Bautista Canyon, east of Hemet. 0 Comment
  SEINET3926479  Cynodon dactylon Sears 1977-10-12 S 568 Riverside Corn Springs. Desert Palm Oasis.; 0 512 Comment
  UCD60092  Cynodon dactylon E. W. Lathrop 1965-5-24 5379 Riverside 14 miles west of Murrieta. 548 Comment
  UCR164298  Cynodon dactylon S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  RSA613958  Cyperus difformis A. C. Sanders 1994-7-27 15165 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  SEINET269477  Cyperus eragrostis Scott D. White, Steve Ogg 1994-10-17 2490 Riverside City of Temecula Murrieta Ck channel directly W of Cherry St. USGS 71/2' Murrieta Quad. 315 Comment
  RSA588665  Cyperus odoratus Darin L. Banks, Steve Boyd 1995-10-17 820 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns to the E., Just W of the Metasedimentary hills. 524 Comment
  UCR92398  Cyperus parishii F. M. Reed 1907-9-15 1936 Riverside Riverside, Santa Ana River at Chinatown ford 244 Comment
  CLARK-A1528-52  Dactylis glomerata Fred B. Essig 1967-5-18 Riverside Riverside Comment
  RSA784943  Dalea mollis Duncan S. Bell 2012-2-12 3121 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC51617  Dalea mollissima Jos. Burtt Davy 1902-4-2 8049 Riverside Salton Comment
  SEINET10562293  Dasyochloa pulchella Charles L. Hitchcock 1940-4-1 Hitchcock 5907 Riverside 1 mile below Cottonwood Springs, Joshua Tree Nat. Monument. Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UCR68859  Datisca glomerata Steve Boyd, T. S. Ross 1990-5-11 4659 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCR89708  Datura discolor J. M. Stewart 1990-10-22 664 Riverside Sonoran (Colorado) Desert, Ford Dry Lake off I-10, c. 4 mi. west of Wiley Well Rd Comment
  SBBG55995  Datura wrightii K. Cook 1966-5-12 Riverside 50 yds N on roadside of hwy from Hemet to Idyllwild across from farm house, 0.25 mi from ranger station 701 Comment
  SD122191  Datura wrightii James C. Dice, T. Chung 1987-10-19 741 Riverside Southwestern Riverside County, ca. 3.2 km southwest of downtown Temecula, along edge of Via Tornado Road, ca. 0.6 km N of entrance to Santa Margarita Ecological Reserve 365 Comment
  UCR279584  Datura wrightii A. C. Sanders, Jim Malusa 2017-3-28 43135 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CLARK-A1528-2434  Daucus pusillus David L. Davis 1962-4-20 131 Riverside Riverside 335 Comment
  RSA562458  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-5-5 7231 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  SEINET7837536  Deinandra M. Wall, Whiting, Dick 2005-8-6 402 Riverside Peninsular Ranges. Perris-Aguanga Basin region. SE Hemet, Santa Rosa Hills, Simpson Park. Comment
  SD178130  Deinandra kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. At edge of riparian zone and on dry hill slopes. 377 Comment
  CAS-BOT-BC131035  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CAS-BOT-BC131036  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 2 Riverside Elsinore Comment
  CAS-BOT-BC7985  Delphinium parishii subsp. parishii Donald Alexander Johansen; J. Ewan 1932-4-10 7094 Riverside North of Tahquitz Canyon above Palm Springs, Western Colorado Desert Comment
  PASA2553  Delphinium parryi Frank W. Peirson 1922-5-18 3051 Riverside Road south of Lake Elsinore 377 Comment
  RSA0029697  Delphinium parryi subsp. maritimum D. L. Banks, Victor W. Steinmann 1997-3-13 1428 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UC162675  Delphinium parryi subsp. maritimum H. M. Hall 1897-4-3 424 Riverside Winchester Comment
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Mar 20 2011
  RSA0080671  Delphinium patens E. Crow 1929-4-7 307 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  SD152771  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  UCR35067  Dendromecon rigida L. B. Ziegler 1968-3-27 269 Riverside San Jacinto Mountains, upper Poppet Flats Rd., on Dry Mountain ridge 976 Comment
  RSA305664  Dendromecon rigida subsp. rigida C. W. Tilforth, Walter Wisura 1979-10-11 1923 Riverside Thomas Mtn. Rd., 10.4 mi. from north jct with Hwy 74; south of Lake Hemet Comment
  RSA519205  Dendromecon rigida subsp. rigida M. Lee Overholtzer 1962-7-4 291 Riverside n end of Cleveland National Forest; roadside on Skyline Drive between Voits cabin and tv-radio station. 1311 Comment
  CAS-BOT-BC198171  Deschampsia danthonioides Robert F. Thorne; Earl Lathrop 1969-5-12 37950 Riverside Mesa de Colorado, Rancho, Santa Rosa Plateau 624 Comment
  RSA754134  Deschampsia elongata W. Schlegel, Andrew Troutte 2008-8-8 10 Riverside Idyllwild: Dry creek bed. Comment
  RSA740251  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-9 12428 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  RSA697469  Descurainia pinnata J. R. Bruff 1929-4-2 109 Riverside Canon 1 mi. W. of Morongo. Comment
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Nov 9 2011
  POM13711  Descurainia pinnata subsp. menziesii P. A. Munz 1922-4-30 5121 Riverside Lancaster Valley, south of Hemet. Comment
  UCR117100  Descurainia sophia A. C. Sanders, T. B. Salvato 2001-5-3 24115 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  SEINET12090136  Dicentra chrysantha C. W. Tilforth, Wisura, W. 1979-1 1923 Riverside 10.4 mi from north jct with Highway 74, S of Lake Hemet Comment
  SEINET12045058  Dichelostemma capitatum N. C. Cooper 1944-1 1002 Riverside Cabazon 457 Comment
  UCR97472  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1997-3-1 19758 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
  RSA70160  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1922-4-9 2903 Riverside Andreas Canyon near Palm Springs, Colorado Desert, 335 Comment
  RSA500991  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3110 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 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
  SD87727  Dicoria canescens F. W. Peirson 1920-12-29 Riverside 1.5 miles east of Whitewater Comment
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Aug 21 2007
  UCR264611  Dicoria canescens Mitch Provance 2012-11-9 1120- 2 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  RSA78306  Dieteria canescens var. ziegleri P. A. Munz, E. K. Balls 1952-8-21 17985 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UCR84984  Dimorphotheca sinuata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16224 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
  RSA0019292  Diplacus brevipes Duncan S. Bell, Joy D. England 2010-6-7 1270 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 780 Comment
  CAS-BOT-BC152267  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak 1234 Comment
  RSA0019419  Diplacus fremontii Diane M. Ramirez 1983-5-15 24 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill 1254 Comment
  RSA0019427  Diplacus fremontii Elbert Benjamine 1929-5-18 229 Riverside Mt. San Jacinto. Comment
  UCR251899  Ditaxis claryana Jim Andre 2013-3-27 24823 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  SD28015  Ditaxis lanceolata Carl B. Wolf 1932-4-27 3058 Riverside 5.0 miles east of Desert Center, north base of Chuckwalla Mountains. 500 Comment
  UCR25853  Ditaxis lanceolata John C. Roos, Lucille Roos 1949-4-6 4147 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  UCR281016  Ditaxis lanceolata Fred M. Roberts 2016-3-5 7990 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
  RSA796748  Ditaxis neomexicana J. Andre 2012-4-11 20842 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  JOTR38664  Dithyrea californica Hodges, Stephen R. 2017-2-1 670 Riverside Joshua Tree National Park. Eagle Mountains, just inside the park boundary on the road to Pinto Wells Comment
  POM12950  Downingia cuspidata I. M. Johnston 1922-5-19 5380 Riverside Menifee Valley. 412 Comment
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Oct 6 2009
  LA204314  Draba cuneifolia Carl Epling; 1941-4-5 sn Riverside Palms to Pines Highway Comment
  POM161558  Draba saxosa Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain Comment
  SD138002  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., south of Dripping Springs Alcove, east of Woodchuck Trail Comment
  SD60444  Dryopteris arguta Reid Moran 1964-7-27 11863 Riverside N slope, Canyon of Santa Margarita River, 2.5 mi SSW of Temecula 199 Comment
  SEINET10794022  Dryopteris arguta George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -143 Riverside State Highway 74, 5.8 mi. SW of El Carizo Guard Station. San Juan Canyon; Santa Ana Mountians. T06S R05W S31 - NE4. 500 Comment
  RSA397786  Dudleya lanceolata Christopher Davidson 1977-5-25 5658 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UC455350  Dudleya lanceolata I. J. Condit 1910-6-24 Riverside lower slope San Jacinto Mtns 609 Comment
  UC76452  Dudleya lanceolata Miss M. Alice King May, 1893 Riverside Menifee Comment
  JEPS48942  Dudleya saxosa subsp. aloides Marjorie D. Clary 1932-4-3 894 Riverside Deep Canyon Colorado Desert, west side of Santa Rosa Mtn Comment
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Oct 19 2006
  CAS-BOT-BC109625  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-4 835 Riverside Hidden Valley, Joshua Tree National Monument. 1300 Comment
  UCR281810  Dysphania ambrosioides Mitch Provance 2012-11-9 1112- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  SEINET8060777 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 15 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 900 Comment
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Jun 5 2016
  RSA0125227  Echinocereus engelmannii var. engelmannii B. A. Prigge 1980-8-5 3860 Riverside Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
  CLARK-A1656-850  Echinochloa colona Jon Mark Stewart 1983-11-6 83-56 Riverside Palm Desert 60 Comment
  RSA737219  Echinochloa crus-galli Justin M. Wood 2008-9-30 177 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR2345  Echinochloa crus-galli F. M. Reed 1903-11-30 223 Riverside Riverside: Blaine Street, Ramona Ranch. 290 Comment
  RSA675022  Ehrharta calycina Scott D. White, Tasha LaDoux 2000-4-20 7691 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  POM211569  Elatine brachysperma P. A. Munz 1941-5-18 16664 Riverside north end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  SD68958  Elatine californica Robert F. Thorne, E. Lathrop, P. Munz 1968-5-8 37560 Riverside Santa Rosa Plateau; Rancho California. Shallow water of vernal marsh on Mesa de Colorado. 671 Comment
  UCR207677  Eleocharis geniculata G. R. Ballmer 2005-12-3 s.n. Riverside Transverse Range; San Bernardino Mtns., Whitewater River Canyon 610 Comment
  UCR120853  Eleocharis palustris D. E. Bramlet 2000-8-30 3070 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  RSA557316  Eleocharis radicans Julie Greene, Steve Boyd, David E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1424 Riverside San Jacinto Wildlife Area. 433 Comment
  RSA489830  Elymus elymoides D. Charleton 1988-5-28 2124 Riverside Santa Rosa Mountains. South of Highway 74 dirt road to Toro and Santa Rosa Peaks. Alt. 7500 ft. 2287 Comment
  UCD62752  Elymus elymoides Peter H. Raven 1958-5-5 12881 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  RSA6025  Elymus glaucus subsp. jepsonii C. B. Wolf 1932-8-5 3942 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  SEINET12747687  Elymus glaucus var. glaucus H. M. Hall 1901-1 2478 Riverside Tamarack Valley. 2804 Comment
  RSA401449A  Emmenanthe penduliflora N. C. Cooper 1944-3-26 1030 Riverside Morongo Pass 610 Comment
  RSA613640  Emmenanthe penduliflora D. L. Banks, Victor W. Steinmann 1997-3-13 1479 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
  UCR279507  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-27 43110 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
  SEINET5495371  Emmenanthe penduliflora H. M. Hall 3789 Riverside Vicinity of Riverside 366 Comment
  JEPS34097  Encelia actoni W. L. Jepson 1935-4-19 17080 Riverside San Gorgonio Pass Comment
  POM356678  Encelia actoni Norman C. Cooper 1944-5-20 2627 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  SD224838  Encelia actoni Scott D. White, Steve Myers 1995-10-21 3725 Riverside Eastern foothills of San Jacinto Valley, Santa Rosa Hills, S of Hemet; foothills just above orange grove 609 Comment
  UC1118041  Encelia actoni A. E. Wieslander 1938-5-5 741 Riverside 1 mi s Black Hill; Thermal Quad. 975 Comment
  POM9617  Encelia californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  SBBG52758  Encelia farinosa N. C. Cooper 1944-4-8 1094 Riverside Andreas Cyn 304 Comment
  UC68872  Encelia farinosa H. M. Hall 1905-4-1 5895 Riverside near Chuckwalla Springs; Colorado Desert Comment
  UC809737  Encelia farinosa E. K. Balls 1949-4-2 12903 Riverside near Durmid (on Highway 111 and slopes toward Salton Sea); Colorado Desert -67 Comment
  UCD20084  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -214 Riverside 4.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR272421  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 005 Riverside Santa Rosa Mountains, Bear Creek drainage , 2.3 air miles west of Lake Cahuilla, south of La Quinta, north of Devil Canhyon, southwest of Coachella Valley 193 Comment
  UCR275138  Encelia farinosa David Fraker, Aaron C. Sedgwick 2012-4-4 064 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
  POM312674  Encelia farinosa var. farinosa D. Taylor 1951-3-22 10 Riverside Near Midland, Maria Range. 457 Comment
  CLARK-A1528-4991  Encelia virginensis subsp. actonii John C. Roos 1948-4-24 3798 Riverside Whitewater Comment
  CAS-BOT-BC81541  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernardino Co. line Comment
  HSC1323  Ephedra californica C. E. Fellows 1965-4-15 54 Riverside 5 mi. N of Palm Springs city limits on Hwy. 111, 1.5 mi. W on Snow Creek Rd. Comment
  JOTR16664  Ephedra californica Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. STIRRUP TANK 1097 Comment
  SEINET4898218  Ephedra californica Douglas Wood 1971-3-7 s.n. Riverside Palm Springs Desert Comment
  SEINET10613639 Image available Ephedra clokeyi Ira W. Clokey 1935-4-17 Clokey 6513 Riverside Cottonwood Springs. Among rocks, hillside and wash. Desert. Comment
  LA6785  Ephedra nevadensis H. Lewis; 1939-12-31 1163 Riverside near Desert Center Comment
  SBBG29377  Ephedra nevadensis D. Myrick 1968-3-4 1803 Riverside Desert Hot Springs 304 Comment
  RSA775801  Ephedra trifurca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 987 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SEINET3867763  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6477 Riverside Rice Valley, 30 miles south-southwest of Rice.; 0 244 Comment
  CLARK-A1045-332  Ephedra viridis George K. Helmkamp 1977-3-20 Riverside Cabazon Cabazon 7.5'Q Comment
  RSA0097964  Epilobium canum Duncan S. Bell 2014-11-14 7709 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  UCR178160  Epilobium ciliatum John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA692252  Epilobium ciliatum subsp. ciliatum Scott D. White 2003-10-9 9819 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  POM161203  Epilobium ciliatum subsp. glandulosum Ralph Hoffmann 1929-9-6 s.n. Riverside Granite ridges, San Jacinto Mountains. 2439 Comment
  RSA388408  Epilobium densiflorum Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61170 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UC64473  Epilobium densiflorum H. M. Hall June 1901 2292 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  POM13250  Epilobium pygmaeum P. A. Munz 1922-5-19 5368 Riverside Menifee Valley. 427 Comment
  RSA618001  Epilobium pygmaeum R. E. Riefner Jr. s.n. Riverside Elsinore Trough between Willard and Murrieta Creek; Wildomar. Comment
  RSA607913  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains: Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  POM11158  Equisetum laevigatum Philip A. Munz 1922-6-23 5770 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  CAS-BOT-BC204487  Eragrostis cilianensis S. B. Parish 1913-2-7 8442 Riverside Salton Basin. Mesa near Mecca -60 Comment
  CLARK-A1528-60  Eragrostis diffusa Fred B. Essig 1966-9-6 Riverside Riverside Comment
  SBBG56820  Eragrostis mexicana M. N. Ackley 1928-3-25 Riverside near Edom 64 Comment
  RSA737430  Eragrostis mexicana subsp. virescens Justin M. Wood 2008-8-31 126 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  POM12813  Eremogone ferrisiae P. A. Munz 1922-6-23 5789 Riverside 2 miles below Kenworthy, Hemet Valley. 1372 Comment
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Mar 25 2011
  RSA0045065  Eremogone macradenia var. macradenia P. H. Raven 1958-5-5 12899 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  JOTR33990  Eremothera boothii subsp. desertorum La Doux, Tasha, M. Harding 2010-4-7 2878 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA0105502  Eriastrum densifolium subsp. austromontanum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8656 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA0105465  Eriastrum densifolium subsp. austromontanum J. C. Roos 1965-7-22 s.n. Riverside Mountain Center Comment
  UCD118299  Eriastrum densifolium subsp. densifolium Nancy Ryan Zabriskie; Harold J. Ryan 1972-7-25 530 Riverside Immediately N of Vista Grande Forestry Station at turn-in to Mellor Ranch Road, R side going up Banning-Idyllwild Road; cismontane San Jacino Mountains. 1493 Comment
  RSA0120091  Eriastrum eremicum subsp. eremicum Scott D. White 2001-4-12 8303 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  SJSU8731  Eriastrum eremicum subsp. eremicum R. C. McGehee 1970-4-16 212 Riverside near N border of Chocolate Mts c. 22 mi W of Wiley Well Comment
  UC971781  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  CAS-BOT-BC514462  Eriastrum eremicum subsp. eremicum Mr. May 1914-3-1 s.n. Riverside May Comment
  RSA0120101  Eriastrum eremicum subsp. eremicum R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53588 -a Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  CAS-BOT-BC401162  Eriastrum harwoodii Sarah J. De Groot; April Garbat 2013-4-9 7000 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains 232 Comment
  SDSU3049  Eriastrum sapphirinum A. H. Gallup 1948-6-12 223 Riverside San Jacinto Mt. Road from the town of San Jacinto. 823 Comment
  UC23880  Eriastrum sapphirinum Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UC907918  Eriastrum sapphirinum Carl V. Meyer June 1927 152 Riverside hills near Temecula Comment
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Sep 30 2009
  UCR182445  Eriastrum sapphirinum Mitch Provance 2005-5-27 4608 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCSB5009  Eriastrum sapphirinum subsp. dasyanthum Jacobson, A. 1959-5-16 Riverside Road between Banning and Idyllwild, 4 miles south of Banning 762 Comment
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Mar 30 2014
  SD181418  Eriastrum sapphirinum subsp. sapphirinum Scott D. White 2000-8-5 8111 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River) (Idyllwild) 1402 Comment
  SD255240  Eriastrum sapphirinum subsp. sapphirinum Duncan S. Bell, Evan Meyer and Sonia Pena 2015-10-20 8723 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  CAS-BOT-BC515049  Eriastrum sapphirinum subsp. sapphirinum John Thomas Howell 1927-8-2 2916 Riverside Mt. San Jacinto, Strawberry Valley, Idyllwild 1676 Comment
  JOTR16585  Ericameria cooperi var. cooperi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. NEAR WHITE TANK CAMPGROUND 1158 Comment
  SEINET5727172 Image available Ericameria cuneata var. spathulata Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7092 Riverside Joshua Tree National Park; ca. 1.7 mi SE of jct. of the road to Cottonwood Headquarters and the road to the town of Joshua Tree; near the White Tank campground.; Joshua Tree National Park Comment
  POM359403  Ericameria linearifolia N. R. Zabriskie, W. M. Zabriskie 1971-4-9 372 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  UC527316  Ericameria linearifolia C. B. Wolf 1931-5-11 Riverside rocky ridges above Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  UCD131421  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-30 491 Riverside West of Sugarload Mountain along Carrizo Road (6S03); northwest of Hwy 74, Santa Rosa Mountains. 1219 Comment
  UCR85276  Ericameria linearifolia Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Mtns, along old road between Indio & Lost Horse Well , south of California Riding & Hiking Trail. 1506 Comment
  UC496517  Ericameria nauseosa var. oreophila Philip A. Munz 1932-10-16 12842 Riverside near Palm Creek; Santa Rosa Mts. 1463 Comment
  CDA4604  Ericameria palmeri var. pachylepis T. C. Fuller 1961-10-18 7159 Riverside Santa Ana River Canyon, Green River Station, 0.5 mile west of Prado Dam Road, on Highway 91. 0 Comment
  UCR231184  Ericameria parishii A. C. Sanders, Kent Beaman 2011-9-27 39924 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  SD115000  Ericameria parishii var. parishii Earl W. Lathrop 1979-6-19 7506 Riverside Cleveland National Forest, Trabuco District, Bedford Truck Trail, Southwest slope Pleasants Peak. 3.5 miles northwest Junction Eagle Pass Tr. 945 Comment
  POM161535  Erigeron breweri var. porphyreticus Ralph Hoffmann 1929-9-10 s.n. Riverside Tahquitz Peak. 2591 Comment
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Nov 4 2011
  RSA0125177  Erigeron canadensis Duncan S. Bell 2016-10-27 10210 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UC729659  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside just above Fish Hatchery; No. Base of San Jacinto Mts., Snow Creek 670 Comment
  SEINET959316  Erigeron jonesii A. C. Sanders 2006-1 32782 Riverside Schell Creek Range: head of canyon above Rosebud Spring, c. 1 mile SE of V ABM Connor, 2.5 miles south of Hwy 50/93 at Conners Pass (Connor's Pass 7.5 Q) 2499 Comment
  SD129173  Eriochloa acuminata var. acuminata G. Helmkamp 1989-9-16 Riverside Hayfield on the W side of state hwy 78, 0.7 mi. N of Palo Verde. 74 Comment
  UCR170021  Eriochloa contracta O. F. Clarke 2003-9-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanical Garden, along wheelchair trail NW of rose garden 351 Comment
  CAS-BOT-BC189121  Eriodictyon crassifolium var. crassifolium H. M. Hall 1901-6-1 2006 Riverside Western Base Comment
  JOTR34192  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2980 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  CAS-BOT-BC248642  Eriogonum apiculatum Edmund C. Jaeger 1940-5-19 s.n. Riverside Falcon Flats, Joshua Tree National Monument 1432 Comment
  RSA766409  Eriogonum apiculatum Joseph A. Ewan 1928-9-30 1519 Riverside Tahquitz Peak Trail, San Jacinto Mts. 2073 Comment
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Oct 23 2011
  CAS-BOT-BC242787  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road, San Jacinto Mts. 1371 Comment
  POM13103  Eriogonum davidsonii P. A. Munz, I. M. Johnston 1922-5-20 5496 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  POM209223  Eriogonum davidsonii S. G. Stokes 1933-7-1 106 Riverside Roadside talus near Idyllwild, San Jacinto Mountains. Comment
  UCR243575  Eriogonum davidsonii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21106 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
  UCR262263  Eriogonum davidsonii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3741 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
  JEPS57017  Eriogonum elongatum var. elongatum Mary Beal 1939-10-25 705 Riverside deert side of San Gorgonio Pass Mojave Desert Comment
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Mar 15 2014
  UCR239248  Eriogonum elongatum var. elongatum Thomas R. Stoughton, E. Gardner, D. Bell 2010-11-12 717 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail, west of White Water Canyon, north of the junction of Hwy I-10 and Rte 111 732 Comment
  RSA65145  Eriogonum fasciculatum F. W. Peirson 1928-4-24 7907 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
  UCR89541  Eriogonum fasciculatum Bern Schwenn 1994-4-30 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument: E side of Hexie Mountains along Ruby Lee Well Rd. between paved Pinto Basin Rd. and divide 823 Comment
  CAS-BOT-BC249956  Eriogonum fasciculatum var. foliolosum P. A. Munz; R. D. Harwood 1920-2-28 3257 Riverside 3 mi west of Corona 335 Comment
  UC454353  Eriogonum fasciculatum var. foliolosum I. J. Condit 1920-6-24 Riverside San Jacinto Canyon Comment
  CAS-BOT-BC250128  Eriogonum fasciculatum var. polifolium R. J. Barr 1964-11-29 64 -594 Riverside 10 miles West of Banning 762 Comment
  LA206794  Eriogonum fasciculatum var. polifolium H. Lewis; 1935-4-6 sn Riverside Palm Springs 152 Comment
  RSA0117852  Eriogonum fasciculatum var. polifolium Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7801 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  SEINET3208885  Eriogonum fasciculatum var. polifolium G. Goodwin 2012-6-14 3439 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  UC1463086  Eriogonum fasciculatum var. polifolium Arthur S. Barclay and Juan Arguelles 1965-3-22 1870 Riverside 10 mi se, along State Highway 74 State Highway 111 914 Comment
  CAS-BOT-BC253485  Eriogonum gracile Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC253486  Eriogonum gracile Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR260531  Eriogonum gracile T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7994 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR113729  Eriogonum gracile var. gracile Mitch Provance 2000-7-30 2169 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  RSA242183  Eriogonum gracile var. incultum James L. Reveal, Caroline G. Reveal 1972-8-9 2851 Riverside Along California Highway 74 at Strawberry Creek, about 5.5 miles west of the junction with Highway 243. 915 Comment
  RSA90136  Eriogonum gracile var. incultum E. K. Balls, Percy C. Everett 1953-8-19 18529 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  UCSB1442  Eriogonum inflatum Gray, Caroline 1956-4-13 Riverside Whitewater Cyn; near Whitewater Comment
  POM46950  Eriogonum inflatum var. deflatum Mary F. Spencer 1918-4-13 906 Riverside Palm Springs. 152 Comment
  UC635000  Eriogonum inflatum var. inflatum H. L. Mason 1928-3-10 4230 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  UC849556  Eriogonum inflatum var. inflatum I. W. Clokey 1935-4-17 6578 Riverside Cottonwood Springs Comment
  RSA679987  Eriogonum molestum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1119 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  UCR242663  Eriogonum molestum A. C. Sanders 2013-7-6 40852 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  UC667355  Eriogonum nidularium Annie M. Alexander and Louise Kellogg 1941-5-15 2188 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  CAS-BOT-BC269784  Eriogonum nudum var. pauciflorum Marcus E. Jones 1924-8-29 s.n. Riverside San Jacinto Mts., Idyllwild Comment
  CLARK-A1528-3682  Eriogonum parishii Robin Lynn Kobaly 1977-8-26 Riverside Comment
  JOTR37061  Eriogonum pusillum La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3547 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  RSA688859  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
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Dec 4 2012
  JEPS56264  Eriogonum thomasii W. L. Jepson 1928-4-26 12642 Riverside Whitewater Bridge San Gorgonio Pass, Whitewater Bridge Comment
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Jan 14 2010
  JOTR35291  Eriogonum thomasii Andre, Jim 2012-4-11 20784 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA314676  Eriogonum thomasii Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55503 Riverside San Bernardino Mountains -- on south end of ridge at mouth of Whitewater Canyon, east of bridge, about 3.3 miles north of Whitewater Post Office. 427 Comment
  RSA329547  Eriogonum thomasii Gary D. Wallace 1966-3-26 263 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  RSA676112  Eriogonum thomasii Scott D. White 2001-4-3 8244 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA727868  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR40591  Eriogonum thomasii George K. Helmkamp 1983-4-5 483- 34 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CHSC110677  Eriogonum thurberi Dean Wm. Taylor 2003-5-6 18517 Riverside Wash of the San Gorgonia River ca. 1 miles south of the intersection of Highway 111 with Interstate 10. 365 Comment
  CAS-BOT-BC263594  Eriogonum trichopes L. R. Abrams 1926-3-26 11026 Riverside Palm Springs Comment
  SBBG1672  Eriogonum wrightii var. membranaceum H. and M. Dearing 1936-12-26 142 Riverside Palms to Pines Hwy 1066 Comment
  SFV20148  Eriogonum wrightii var. membranaceum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .2 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  UCR5722  Eriogonum wrightii var. membranaceum O. F. Clarke 1966-10-5 661005- 41 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  UCSB70084  Eriogonum wrightii var. membranaceum Sanders, A.; Thomas, Tim 2008-8-1 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station (Idyllwild 73' Q.) 1448 Comment
  JOTR29590  Eriogonum wrightii var. nodosum Andre, Jim 2006-4-26 6782 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UC582930  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside 2 mi n main highway; Cochella valley, Whitewater Creek Comment
  CAS-BOT-BC298485  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs, Colorado Desert 150 Comment
  CAS-BOT-BC298486  Eriophyllum ambiguum var. paleaceum L. R. Abrams 1926-3-26 11013 Riverside Palm Springs Comment
  SJSU4297  Eriophyllum ambiguum var. paleaceum G. B. Youngberg 1956-3-28 195 Riverside Palm Canyon near Palm Springs 228 Comment
  CAS-BOT-BC297341  Eriophyllum confertiflorum Annie M. Alexander; Louise Kellogg 1941-4-24 2073 Riverside Gorge of Dry Morongo Creek, Morongo Valley Comment
  POM12793  Eriophyllum confertiflorum P. A. Munz 1922-6-27 5857 Riverside Santa Rosa, Santa Rosa Mts. 2012 Comment
  POM357958  Eriophyllum confertiflorum E. Crow 1929-3-17 207 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA32412  Eriophyllum confertiflorum Norman C. Cooper 1944-7-15 1601 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  UCR108878  Eriophyllum confertiflorum Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  CHSC89857  Eriophyllum confertiflorum var. confertiflorum L. P. Janeway 2004-5-8 8068 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  RSA713681  Eriophyllum multicaule A. C. Sanders 2005-4-22 29585 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR117088  Eriophyllum multicaule A. C. Sanders, T. B. Salvato 2001-5-16 24298 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
  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-BC296971  Eriophyllum wallacei Ira L. Wiggins 1941-3-27 9695 A Riverside Slopes 4 miles north of Whitewater Comment
  POM358158  Eriophyllum wallacei Norman C. Cooper 1944-5-20 1246 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  RSA0035938  Eriophyllum wallacei Deidre Conocchioli, Duncan S. Bell 2014-3-4 151 A 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
  RSA282762  Eriophyllum wallacei C. W. Tilforth, B. Busenberg 1980-6-10 1984 Riverside 1.9 miles in from Hwy 74 on N leg of Thomas Mtn Raod, 1 mile S of Lake Hemet. 1494 Comment
  SEINET11850802  Eriophyllum wallacei E. A. Purer 1935-1 6452 Riverside E slope of San Jacinto Mountain Comment
  RSA714374  Erodium botrys T. B. Salvato, John Green 2004-5-27 615 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
  RSA594046  Erodium cicutarium D. L. Banks, Elizabeth Hedge Banks 1996-5-2 924 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 the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  POM71763  Erodium cygnorum Pomeroy 1925-2-26 s.n. Riverside Corona. Comment
  OBI14091  Erodium texanum Robert F. Hoover 1969-4-14 11238 Riverside Palm Springs, just S of S city limit Comment
  CSUSB513  Erysimum capitatum Jean Texera 1970-4-30 18 Riverside San Jacinto Mountains On Highway 74, 2 miles west of Mountian Center 1280 Comment
  RSA0034958  Erysimum capitatum Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Hgw. Comment
  POM261825  Erysimum capitatum var. capitatum Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles from Pinyon Flat public camp on road to Hemet on State Highway 74. Comment
  RSA282905  Erysimum capitatum var. capitatum C. W. Tilforth, John Dourley 1980-7-15 2069 Riverside Along Thomas Mtn Road, south of Lake Hemet, W of Hwy 74. Comment
  RSA0020086  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  SD70878  Erythranthe floribunda Helen V. Witham 1969-7-2 170 Riverside Fairly common, De Luz Creek crossing, 4 mi. N of De Luz. 249 Comment
  RSA0020248  Erythranthe floribunda Mary F. Spencer 1919-7-1 1239 Riverside Idyllwild. 1616 Comment
  RSA0015887  Erythranthe moschata E. C. Jaeger 5460 Riverside Idyllwild. 1585 Comment
  JOTR30806  Eschscholzia La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1748 Riverside Joshua Tree National Park. Stop # 4 =Northwest end of Eagle mountains, near road leading to Cottonwood Canyon. 910 Comment
  JOTR32854  Eschscholzia La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 2937 Riverside Joshua Tree National Park. Stop #4- Northwest end of Eagle Mountains near road heading to Cottonwood Canyon. 910 Comment
  JOTR32898  Eschscholzia La Doux, Tasha 2008-2-4 2940 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  GMDRC7794  Eschscholzia androuxii J. M. Andre 2015-3-6 33562 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). 561 Comment
  UCD96491  Eschscholzia androuxii Shannon M. Still 2009-2-22 444 Riverside California. Riverside County: Joshua Tree National Park. Cottonwood Wash, on west side of road. 612 Comment
  RSA0022932  Eschscholzia androuxii Jack Rempel, Erwin Miller 1934-4-28 18734 Riverside S of Pass between Horse and Pleasant Valleys Wash 1220 Comment
  SDSU14238  Eschscholzia californica Ingrid Poulin 2002-4-12 19 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 203 Comment
  POM10157  Eschscholzia californica var. peninsularis P. A. Munz, R. D. Harwood 1920-3-20 3369 Riverside 5 miles S of Corona 305 Comment
  JEPS51762  Eschscholzia glyptosperma Marjorie D. Clary 1933-2-26 Riverside Aqueduct Rd between Indio and Mecca; North Colorado Desert, Little San Bernardino Mts. 243 Comment
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Feb 28 2014
  CAS-BOT-BC83138  Eschscholzia minutiflora Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert. Comment
  UC1929974  Eschscholzia minutiflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10453 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR187440  Eschscholzia minutiflora Michael Honer, L. Hulse 2005-3-7 2031 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains, Blind Canyon; c. 1.5 mi north of Desert Hot Springs 488 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
  UCD95437  Eschscholzia papastillii Curtis Clark 1976-4-13 527 Riverside Mecca-Joshua Tree Road, 7 miles southwest of junction with Interstate Highway 10. Comment
  UCD95448  Eschscholzia papastillii John Wear 1995-3-22 s.n. Riverside Colorado Desert; wash along Eagle Mountain Road, N of I-10 near Desert Center. Comment
  CAS-BOT-BC419627  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-14 2169 Riverside Colorado Desert. 5 miles south of Cottonwood Spring, Eagle Mountains Comment
  CAS-BOT-BC419648  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-12 2155 Riverside Colorado Desert. Along main road; 4 miles northeast of Cottonwood Spring, Eagle Mountains 914 Comment
  RSA799408  Eschscholzia parishii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 738 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
  RSA0022915  Eschscholzia parishii I. M. Johnston 1917-4-4 1003 Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR112493  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside Riverside, UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on east side of campus 335 Comment
  SD140093  Eucrypta chrysanthemifolia Scott White 1993-4-22 1265 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  SEINET272340  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19900 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR232044  Eucrypta chrysanthemifolia John F. Green 2008-4-15 0408- 07 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
  JOTR34342  Eucrypta chrysanthemifolia var. bipinnatifida Andre, Jim 2012-4-11 20687 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
  RSA612503  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks 1997-2-17 1270 Riverside NW Palomar Mountains, Agua Tibia Mountains: Burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  UCR149996  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Angelia Carey 2004-4-16 10191 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR232518  Eucrypta micrantha Dave Silverman, Onkar Singh 2010-3-27 7865 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, west of A Canal/Levee Blvd, & c. 7 km N of Blythe Airport 136 Comment
  UCR23563  Eucrypta micrantha John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  CAS-BOT-BC202784  Euonymus occidentalis var. parishii H. M. Hall 1901-6-1 2299 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  RSA709800  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  UCR137040  Euphorbia albomarginata A. C. Sanders 2004-5-5 27755 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  JOTR37439  Euphorbia eriantha Hodges, Stephen R., T. Hender 2015-12-30 561 Riverside Joshua Tree National Park. Pinto Basin, off of Black Eagle Mine road, then turning north up the park boundary 596 Comment
  RSA0042104  Euphorbia eriantha Duncan S. Bell, Deidre Conocchioli 2014-3-11 6231 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  UC219165  Euphorbia incisa P. A. Munz, R. D. Harwood 1920-4-5 3556 Riverside Fig Tree Johns Springs -45 Comment
  SD181559  Euphorbia micromera Louis C. Wheeler 1965-6-27 8690 Riverside Corona; Overboltzer's Grove. Comment
  JEPS51905  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1302 Riverside Strawberry Valley; Mt. San Jacinto Comment
  RSA171353  Euphorbia palmeri J. D. Olmsted 1962-5-3 3533 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  SDSU7689  Euphorbia polycarpa S. J. Barnhart 1966-4-17 660417 -10 Riverside 0.1 mi. east of McAllister St., along the Metropolitan water Co. utility road (dirt). Intersection of Utility Rd. and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR132707  Euphorbia polycarpa A. C. Sanders, T. B. Salvato 2004-2-16 27393 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  UCR51361  Euphorbia polycarpa S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake 488 Comment
  OBI14405  Euphorbia polycarpa var. hirtella Lewis S. Rose 1959-1-8 59003 Riverside La Quinta 15 Comment
  RSA651899  Euphorbia polycarpa var. hirtella Marion P. Harthill 1971-3-19 41 Riverside Palm Desert. Comment
  RSA653712  Euphorbia polycarpa var. hirtella Scott D. White 2000-3-23 7635 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  UCD142855  Euphorbia setiloba Geoffrey Levin 1976-10-17 1168 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  RSA27589  Fagonia laevis C. Leo Hitchcock 1940-4-2 5920 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA391194  Fagonia laevis Robert Gustafson 1980-4-3 1522 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA600124  Fagonia laevis Louis C. Wheeler 1959-12-27 7645 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SEINET11841375  Felicia amelloides O. F. Clarke 1970-1 s.n. Riverside Riverside, University of California campus, Botanic Gardens Comment
  CAS-BOT-BC56787  Ferocactus cylindraceus Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  SBBG44984  Festuca myuros var. hirsuta V. Duran 1932-5-18 3219 Riverside Idyllwild Comment
  UCR90808  Festuca octoflora A. C. Sanders, G. K. Helmkamp 1996-3-17 17993 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  SEINET8043951 Image available Ficus carica A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41553 Riverside Peninsular Range: Eeastern Foot of the Santa Ana Mtns: Temescal Valley jsut below I-15 bridge near Hostettler Road, Se of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill. 363 Comment
  UCR125222  Ficus carica Mitch Provance 1998-9-5 1024 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  UCR228912  Filago arizonica A. C. Sanders 2011-4-7 39031 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  UCR128562  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23907 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
  UCR99160  Filago californica A. C. Sanders, G. Helmkamp 1997-3-15 19992 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA500982  Filago gallica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3101 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  RSA296220  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley Street between Riverside and Corona, 3/10 mile north of Hwy. 91 and about 100 yards west of McKinley in a weedy, abandoned squash field 305 Comment
  RSA192137  Foeniculum vulgare E. W. Lathrop 1966-9-14 6588 Riverside 3 miles SW of Murrieta. Comment
  SD80099  Forestiera neomexicana Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 425 Riverside Canyon off Sta. rosa mt. Rd., 0.6 mile above Highway 74. 1524 Comment
  HSC99953  Forestiera pubescens J. P. Smith, & J. O. Sawyer 2011-6-9 13196 Riverside 1470 Comment
  RSA0077530  Fouquieria splendens G. Wallace 1964-4-26 s.n. Riverside Highway 111 below Pinon Flats. 609 Comment
  CAS-BOT-BC211662  Frankenia salina Peter H. Raven; Sidney R. Snow 1956-6-30 9530 Riverside 4.7 miles east of Temecula on Highway 71 Comment
  UCD121443  Frasera parryi R. N. Raynor 1939-6-20 s.n. Riverside San Jacinto Mts. Near Coahuila. Comment
  UC1929297  Fraxinus dipetala Scott D. White, Justin Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  SDSU13831  Fraxinus velutina W. Miller with C. Mosse 1972-8-9 Riverside Comment
  SEINET10928351  Funastrum hartwegii Thorne 1980-4-16 THORNE 54111 Riverside San Bernardino Mts., along Whitewater Canyon Road Comment
  POM307260  Galium andrewsii subsp. andrewsii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2126 Riverside Santa Rosa Mountains. Comment
  SEINET3101940  Galium andrewsii subsp. andrewsii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17362 .2 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UC219317  Galium angustifolium subsp. angustifolium P. A. Munz 1922-6-27 5858 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  UC520087  Galium angustifolium subsp. angustifolium C. Epling 1932-6-24 Riverside near Idyllwild Comment
  LA208473  Galium angustifolium subsp. gracillimum Martha Hilend; 1930-6-27 612 Riverside Santa Ana River, near Leven lake Comment
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Mar 9 2014
  SD70490  Galium angustifolium subsp. jacinticum Lauramay T. Dempster, G. L. Stebbins 1966-6-18 4244 Riverside In sandy granitic soil, on southeast-facing slope, clearings and open forest. Black Mountain Road, 0.9 mile above junction of road to Pine Wood, San Jacinto Mountains 1980 Comment
  SD137627  Galium aparine Darin L. Banks 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail 609 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
  RSA678933  Galium nuttallii subsp. nuttallii Scott D. White, Michael Honer 2003-6-3 9476 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR86553  Galium nuttallii subsp. nuttallii A. C. Sanders 1994-5-30 14606 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  POM12934  Galium parishii Philip A. Munz 1922-6-27 5873 Riverside Toro Peak. 2287 Comment
  JEPS24232  Galium stellatum var. eremicum Peter H. Raven 1958-5-18 12998 Riverside 4.9 mi ne Pinon Flats (along State Hwy 74); San Jacinto Mountains Comment
  RSA775604  Galium stellatum var. eremicum Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 997 Riverside Iron Mountains, on southwest side of mountains in wash. 423 Comment
  UC708732  Galium stellatum var. eremicum H. K. Wagnon 1944-4-30 382 Riverside Tahquitz Canyon Palm Springs (s rim) Comment
  CLARK-A1528-7747  Garrya flavescens John C. Roos 1950-5-6 4788 Riverside Santa Ana Mountains 1036 Comment
  LA98198  Garrya fremontii Rich Minnich; April 1975 sn Riverside San Jacinto Mountains, Fuller Ridge, S slope 2499 Comment
  UC21617  Garrya veatchii H. M. Hall Aug 1901 2645 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  UCR213903  Garrya veatchii Scott D. White, Justin M. Wood 2009-5-22 12906 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  POM147632  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley Comment
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Apr 3 2011
  SD148102  Gaura drummondii A. C. Sanders, Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, along bottom of canyon west of junction of Ave. Pina Colada. 345 Comment
  RSA762000  Gayophytum diffusum subsp. parviflorum Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 84 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0026166  Geraea canescens Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17716 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  RSA27179  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin. Comment
  RSA795974  Geraea canescens Duncan S. Bell 2009-4-19 295 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  SD27952  Geraea canescens Carl B. Wolf 1932-4-26 2968 Riverside Colorado Desert, 3 miles east of Mecca on Blythe Road. Comment
  UCD132581  Geraea canescens P. C. Everett; E. K. Balls 1958-4-29 22956 Riverside US Hwy. 60/70 Indio to Blythe, 2.7 miles east of junction with Highway 99. 30 Comment
  RSA0036275  Geraea canescens M. B. Dunkle 1933-3-4 3058 Riverside Painted Canyon. Colorado Desert. 30 Comment
  UC64175  Geranium californicum H. M. Hall Aug 1901 2576 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  PASA679  Geranium richardsonii Sally Ellis 1939-6-24 Riverside Halona Comment
  RSA771683  Gilia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4982 -b 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
  UCR163081  Gilia B. G. Pitzer 2000-5-7 4140 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
  RSA768654  Gilia angelensis Justin M. Wood 2010-3-19 1427 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  UCR6425  Gilia angelensis Helen Leach 1967-3-2 2 Riverside Pedley 229 Comment
  UCR231812  Gilia capitata Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 16 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  POM10417  Gilia capitata subsp. abrotanifolia Charlotte M. Wilder 1907-4-6 s.n. Riverside Whitewater Ranch Comment
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Nov 30 2009
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA470269  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-5-21 1221 Riverside San Jacinto Mountains, West side 915 Comment
  RSA526176  Gilia capitata subsp. abrotanifolia Steve Boyd, T. S. Ross 1990-5-11 4678 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA0014599  Gilia latifolia Justin M. Wood, J. Miner 2010-4-30 1552 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  UCR167207  Gilia latifolia S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  SD137682  Gilia ochroleuca subsp. exilis Darin L. Banks, Steve Boyd 1995-4-5 148 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 573 Comment
  SD38842  Gilia ochroleuca subsp. exilis Edith A. Purer 1935-4-21 6441 Riverside Pine Valley, Pines to Palms Highway. Comment
  RSA0017287  Gilia ochroleuca subsp. exilis N. C. Cooper 1945-5-24 1635 Riverside Big Oaks Canyon, Banning. 1220 Comment
  JOTR33731  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2731 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA774892  Gilia stellata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5028 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
  SEINET3004968  Gilia stellata G. Rink 2011-3-24 10392 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UC68723  Gilia stellata H. M. Hall Apr., 1905 5790 Riverside 10 mi w Indio (Colorado Desert); , w of Indio 30 Comment
  UCR279333  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-23 42938 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
  UCR145075  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range, Alberhill Mountain, SE of old clay mining area 448 Comment
  SEINET260219 Image available Glyceria elata M. Curto, L. Allen 1992-6-15 826 Riverside San Bernardino National Forest ; San Jacinto Mts NW of Pine Cove SBNF Rd 5S09 @ Stone Cr 1370 Comment
  UCR113185  Gnaphalium canescens A. C. Sanders 1998-1-15 21645 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR51474  Gnaphalium canescens subsp. beneolens B. G. Pitzer, Jack Easton 1987-3-10 0398 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 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
  RSA522097  Gnaphalium microcephalum Steve Boyd, Orlando Mistretta 1989-7-18 3765 Riverside Vail Lake Area, Temecula Creek Canyon 0.5 mi W of dam 421 Comment
  CAS-BOT-BC307399  Gnaphalium palustre A. C. Sanders; Guy Bruyea 2003-6-12 26886 Riverside Winchester, SW edge of town between Simpson Ave. and Olive Ave. ca. 1 km west of Hwy 79/Winchester Road 445 Comment
  RSA91699  Gnaphalium palustre F. W. Peirson 1924-7-29 5030 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA0106694  Guillenia lasiophylla Duncan S. Bell, Thomas Stoughton 2010-3-19 562 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2 air miles west of Priest Well. 449 Comment
  POM256727  Gutierrezia sarothrae W. Pequegnat 1940-7-1 s.n. Riverside Bedford Truck Trail, Santa Ana Mts. 427 Comment
  UC455821  Gutierrezia sarothrae I. J. Condit 1910-6-24 Riverside San Jacinto Canyon Comment
  CDA3156  Halogeton glomeratus H. Lloyd 1948-10-2 Riverside Near Corona. 0 Comment
  RSA0066601  Harpagonella palmeri Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  RSA653158  Hazardia squarrosa Mitch Provance 1998-6-6 697 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  CLARK-A1045-867  Helianthemum scoparium George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  RSA525439  Helianthemum scoparium var. scoparium Steve Boyd, Dave Bramlet, Bob Boyd 1990-4-29 4484 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA33632  Helianthus gracilentus N. C. Cooper 1944-7-15 1608 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  RSA343089  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Sara Meury 1985-5-18 60625 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  UCR19739  Helianthus gracilentus W. W. Mayhew 1977-10-1 s.n. Riverside San Jacinto Mtns., [Hwy 243] 1 mi SE of Poppet Rd. 1341 Comment
  UCR21958  Helianthus gracilentus Steve Boyd 1980-5-13 269 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  POM7026  Heliotropium curassavicum var. oculatum P. A. Munz, L. T. Street, G. Williams 1919-3-26 2463 Riverside Figtree John s Spring, near Salton Sea. -61 Comment
  RSA289838  Heliotropium curassavicum var. oculatum B. A. Prigge 1980-9-17 4076 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA674548  Hemizonia fasciculata Scott D. White 2000-5-1 7753 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR220130  Hemizonia fasciculata D. E. Bramlet 1989-4-7 1824 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  UCR180044  Hemizonia kelloggii Mitch Provance 2005-5-18 9811 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  RSA597061  Hemizonia paniculata D. L. Banks, Lauren Raz 1996-11-5 1156 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SEINET238520  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR127561  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 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
  RSA628429  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA0040168  Hesperocallis undulata Sarah J. De Groot, April Garbat 2013-3-28 6994 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  RSA377052  Hesperocallis undulata Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR158270  Hesperocnide tenella A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29492 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
  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
  SDSU13695  Heteromeles arbutifolia James C. Dice 1987-11-23 754 Riverside Temecula Gorge, north bank of Santa Margarita River, just east of aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 244 Comment
  RSA0074449  Heterotheca fastigiata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, et. al. 2010-4-12 4534 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
  SDSU4589  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T3S, R3S, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UCR22150  Heterotheca grandiflora Steve Boyd 1980-12-13 363 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau Comment
  RSA0075896  Heterotheca grandiflora R. Weatherby 1949-5-13 411 Riverside La Sierra Hills, Arlington. 152 Comment
  RSA479918  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2091 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  UC144126  Heterotheca sessiliflora subsp. fastigiata Mrs. C. M. Wilder 1909-8-1 1114 Riverside Banning Canyon Comment
  RSA785237  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  RSA0075667  Heterotheca subaxillaris J. C. Roos 1965-9-26 s.n. Riverside 2 mi S of Jackson St., Indio. Comment
  RSA0063012  Heuchera elegans Robert Kessler 1920-1 s.n. Riverside San Jacinto Mts. Comment
  SEINET156046  Hibiscus denudatus Norman C. Cooper 1944-4-8 1072 Riverside Andreas Canyon. 305 Comment
  CSUSB454  Hilaria rigida Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UCR2458  Hilaria rigida F. M. Reed 1920-3-24 4286 Riverside Sonoran (Colorado) Desert, Morongo Pass near Whitewater Station 457 Comment
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Oct 1 2011
  SD136873  Hirschfeldia incana Steve Boyd, Tim Ross 1992-5-5 7214 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  RSA698741  Hoffmannseggia microphylla W. Marquart 1938-3-12 s.n. Riverside 15 mi. W of Blythe. Comment
  SBBG13739  Hoffmannseggia microphylla E. R. Blakley 1961-9-10 4709 Riverside Cactus City, US Hwy 60-70 E of Indio 504 Comment
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Mar 20 2011
  SBBG29199  Hoffmannseggia microphylla K. K. Muller 1967-9-14 1419 Riverside 5 mi E of Indio Comment
  SD174895  Hoffmannseggia microphylla Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran Desert: Coachella Valley/Indio Hills; N of I-10. 198 Comment
  SD137784  Hoita macrostachya Darin L. Banks, Victor Steinmann 1995-7-10 750 Riverside NW Palomar Mountains, Agua Tibia Mountains, Cleveland National Forest, along Wildhorse Trail south of lower Arroyo Seco, NW of Wildhorse Peak, in major drainage that flows off the NW flank of Wildhorse Peak 609 Comment
  SD30947  Hordeum brachyantherum subsp. californicum Phillip A. Munz 1937-3-27 14936 Riverside Damp flat, overflow from Lake Elsinore 305 Comment
  SEINET244302 Image available Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin; San Jacinto River Valley, S side of intersection of Sanderson Ave, and Ramona Blvd., ca. 4 mi. NW of San Jacinto. 445 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
  UCR75556  Hordeum intercedens A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  UCR91888  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18042 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  CAS-BOT-BC284763  Hordeum murinum subsp. glaucum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23083 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  RSA706634  Hordeum murinum subsp. glaucum L. M. Prince, N. Refulio 2002-3-16 02 -266 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
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Jan 14 2010
  RSA482010  Horkelia clevelandii Richard Noyes, L. Arnseth 1988-9-10 721 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild. 1875 Comment
  UCR201424  Horkelia clevelandii Scott D. White, Justin M. Wood 2008-6-17 12155 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  RSA0123111  Horsfordia newberryi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9018 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  SDSU4294  Hosackia crassifolia var. crassifolia Charles F. Phleger 1962-5-13 Riverside Collected on the Huffman acreage, 5 miles north of Idlewild. Comment
  POM78960  Hydrocotyle umbellata I. M. Johnston 1925-7-7 5287 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  UCR91916A  Hydrocotyle umbellata A. C. Sanders, S. Hawkins 1996-4-24 18089 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  POM126302  Hymenoclea salsola Thos Craig 1927-4-2 62 Riverside Wash below Hidden Springs; Colorado Desert. Comment
  UCR23778  Hymenoclea salsola John C. Roos 1947-3-1 3300 Riverside Salton Sea, 2 mi. NW of Travertine Rocks, NW side of Salton Sea. 1006 Comment
  CAS-BOT-BC219737  Hyptis emoryi Carl B. Wolf 1932-4-26 2984 Riverside Colorado Desert. 8 mi. E. of Mecca, on Blythe Road 91 Comment
  CAS-BOT-BC219758  Hyptis emoryi Milo S. Baker 1927-4-3 3311 b Riverside Palm Canon [Canyon] Comment
  JEPS63226  Hyptis emoryi W. L. Jepson 1912-10-30 5250 Riverside Black Point Colorado River, , Black Point (Riverside Mts.) 88 Comment
  LA28880  Hyptis emoryi P. J. Remple; 1942-3-1 sn Riverside between Indio and Palm Springs Comment
  RSA420153  Hyptis emoryi Anstruther Davidson 1905-1 s.n. Riverside Colorado Desert [? Information on label is illegible] Comment
  UC1176847  Hyptis emoryi Lewis S. Rose 1959-1-8 59000 Riverside La Quinta 30 Comment
  UCLA61526  Hyptis emoryi N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UCSB5686  Hyptis emoryi Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center on Highway 60 & 70. Comment
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Nov 23 2014
  SEINET10968982  Hyptis emoryi David B. Dunn 1946-3-15 Dunn 2021 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
  UCD126496  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside south of Ave. 60, 0.2 mile east of Jackson St., around 6 miles south of Indio. Comment
  RSA0028827  Isocoma acradenia W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  UCR193294  Isoetes orcuttii A. C. Sanders, Tim Thomas 2008-6-20 35544 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  SEINET652630  Isomeris arborea L. R. Landrum 1997-1-31 8914 Riverside California, North of Palm Springs ca. 1.5 miles north of Hwy 10 on rd to Joshua Tree Nat. Monument Comment
  SEINET12007320  Isomeris arborea J. F. Bright, Wyman, C. 1933-1 8003 Riverside near Palm Springs Comment
  HSC85251  Iva axillaris Steve Boyd 1986-4-22 1730 Riverside Walker Canyon area where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills: N slope of Alberhill Mtn. Comment
  UC2062449  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-5 7425 Riverside Head of Andreas Canyon on N side Red Tahquitz Peak, San Jacinto Mountains. Comment
  RSA0011071  Juglans californica Justin M. Wood 2008-9-19 137 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR27000  Juglans californica E. W. Lathrop 1966-5-8 6419 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  CAS-BOT-BC167094  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR101655  Juglans nigra A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22231 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  SEINET3245947  Juglans regia A. C. Sanders, R. E. Riefner Jr. 2009-1 37146 Riverside Peninsular Range: Riverside, CUR campus by West Campus Drive near The Barn (Riverside East 7.5') 320 Comment
  JEPS66903  Juncus acutus subsp. leopoldii Jos. Burtt Davy 1902-3-25 7935 Riverside Indio Comment
  UCR20982  Juncus acutus subsp. leopoldii A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1337 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  UCR202245  Juncus bufonius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA500202  Juncus bufonius var. bufonius Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3541 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA335007  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  SEINET10899618  Juncus macrandrus David B. Dunn 1948-2-21 Dunn 3689 Riverside Found beside upper end of springs. Pushawalla canyon, indio hills of the Colorado desert; w of indio Comment
  UCR177389  Juncus saximontanus A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15796 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR25015  Juncus textilis J. A. Harpel 1981-11-4 s.n. Riverside San Jacinto Mtns., Bautista Canyon SE of Valle Vista. 884 Comment
  POM319680  Juncus xiphioides Patricia Wilder 1971-3-20 4894 Riverside Santa Ana River. Santa Ana River Drainage Area. 244 Comment
  SD70880  Juncus xiphioides Helen V. Witham 1969-7-2 176 Riverside Common along creek, DeLuz Creek crossing, 4 miles north of DeLuz. 249 Comment
  UC68658  Juniperus californica H. M. Hall May, 1905 6040 Riverside Cottonwood Pass Colorado Desert 670 Comment
  CAS-BOT-BC234569  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Eagle Mts. 457 Comment
  LA202780  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs 121 Comment
  RSA26969  Justicia californica Anonymous 1940-4-6 5972 Riverside 3 mi. below Cottonwood Springs. Comment
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Jun 16 2014
  RSA398815  Justicia californica Robert M. Perkins, H. de Forest 1937-3-15 387 Riverside 20 miles east of Desert Center. Comment
  SEINET2163468 Image available Justicia californica A. J. Breitung 1953-6-12 15529 Riverside Palm Springs Comment
  UC700978  Justicia californica Aven and Ruth Nelson 1939-3-22 3219 Riverside Palm Springs Comment
  SBBG54439  Justicia californica R. Langham 1966-3-14 4 Riverside rd to Tramway above Palm Springs, San Jacinto range 304 Comment
  GMDRC3101  Kallstroemia californica J. Andre, T. La Doux 2008-9-13 10262 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  UCR26258  Kallstroemia californica John C. Roos 1963-10-24 s.n. Riverside Sonoran (Colorado) Desert, Hayfield, Colorado Desert 427 Comment
  CDA33347  Keckiella antirrhinoides Mike Lahti 2010-5-2 PDR# 1358675 Riverside East Hemet. 0 Comment
  JEPS57291  Keckiella antirrhinoides L. R. Heckard and R. C. Bacigalupi 1968-5-5 1803 Riverside about 5 mi s Hemet (at s edge of Diamond Valley); Diamond Valley 518 Comment
  UC667295  Keckiella antirrhinoides Annie M. Alexander and Louise Kellogg 1941-5-21 2215 Riverside n base Eagle Mountains; Colorado Desert 1158 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  UCSB41257  Keckiella antirrhinoides Cowan, Clark 1978-4-25 Riverside 6.7mi(10.7 km) SW on 74 from jct w/ 71; 4.6 mi(7.3 km) from Lake Elsinore; Sta. Ana Mts; Cleveland Nat. Forest Comment
  RSA401718A  Keckiella antirrhinoides subsp. microphylla Robert Gustafson, Gary D. Wallace 1982-5-19 2568 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA787991  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest. Comment
  UCR178333  Keckiella ternata Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 641 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA0014927  Koeleria macrantha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6150 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  CAS-BOT-BC61433  Krameria bicolor D. A. Johansen; J. A. Ewan 1932-4-12 7070 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  SFV17345  Krameria erecta J. D. Dilley, J. N. Hogue (109.7) 1998-4-24 280 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  JOTR32317  Krameria grayi Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UC1543072  Krameria grayi Donald G. Nelson 1936-5-22 394 Riverside on trail down to stream in Palm Springs Canyon (Ribbon Wood Camp, Pines to Palms Highway, near base of Santa Rosa Mountains); near base Santa Rosa Mountains, Pines to Palms Highway Comment
  UC570040  Krameria grayi H. S. Yates 1936-4-8 5454 Riverside near Fish Springs; Thermal Quad. 60 Comment
  SD136907  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest; 0.5 miles south of Serrano Spring 730 Comment
  UCD63410  Lamarckia aurea F. M. Reed 1933-5-20 7692 Riverside Riverside. Comment
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May 1 2011
  RSA562615  Lamarckia aurea Steve Boyd 1993-3-14 7724 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  RSA621500  Lamium amplexicaule D. L. Banks 1997-11-15 2201 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  CLARK-A1528-3537  Langloisia setosissima John C. Roos 1949-4-6 4148 Riverside Comment
  UCR29820  Langloisia setosissima George K. Helmkamp 1983-3-24 383- 11 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA776334  Langloisia setosissima subsp. setosissima Duncan S. Bell, Amanda Turek 2010-4-10 821 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA516899  Larrea tridentata Steve D. Boyd 1986-3-13 1418 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA609038A  Larrea tridentata Steve D. Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10058 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA799814  Larrea tridentata D. M. Ray 2011-3-5 5 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SBBG3966  Larrea tridentata K. K. Muller 1958-3-22 922 a Riverside 5.5 mi E of Desert Center Comment
  SEINET7073390  Lasthenia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA33555  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  UC55100  Lasthenia coronaria H. M. Hall 1903-4-1 3847 Riverside Reche Canyon Comment
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR241007  Lasthenia coronaria Tracy Tennant 1998-4-7 237 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  UCR15367  Lasthenia glabrata subsp. coulteri George K. Helmkamp 1977-3-5 s.n. Riverside Perris-Aguanga Basin, west side of the San Jacinto River, 0.5 mi south of the Ramona Expressway 435 Comment
  RSA563905  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UC893747  Lasthenia gracilis L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  UCR103175  Lasthenia gracilis Scott D. White, J. Greene 1997-3-12 4774 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR126983  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2003-5-9 26586 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR76161  Lasthenia gracilis A. C. Sanders 1993-4-1 13660 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  POM12943  Lathyrus vestitus subsp. laetiflorus P. A. Munz, I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  RSA33899  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  JOTR37761  Layia glandulosa Hodges, Stephen R. 2016-2-29 717 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UCR87663  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  CAS-BOT-BC379627  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles north of Elsinore Comment
  UC828957  Layia platyglossa P. A. Munz and I. M. Johnston 1922-5-20 5453 Riverside 2 mi below Kenworthy; San Jacinto Mountains 1402 Comment
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Mar 25 2011
  UCSB37773  Layia platyglossa Roos, John 1965-6-13 Riverside Mountain Center, San Jacinto Mtns. Comment
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May 24 2013
  POM361707  Layia platyglossa subsp. campestris M. V. Hood 1945-3-25 s.n Riverside Aguanga 610 Comment
  CAS-BOT-BC274339  Leersia oryzoides A. C. Sanders; O. F. Clarke; C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake Comment
  UCR126389  Lepechinia cardiophylla E. W. Lathrop 1973-6-28 7440 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest 1220 Comment
  SBBG104069  Lepidium dictyotum A. C. Sanders 1993-4-1 13669 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  RSA593915  Lepidium dictyotum var. acutidens Steve Boyd, Dave Bramlet 1996-4-19 8595 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR279379  Lepidium fremontii A. C. Sanders, Jim Malusa 2017-3-24 42973 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 723 Comment
  UCR244418  Lepidium fremontii var. fremontii Jim Andre 2012-4-16 20913 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  OBI66289  Lepidium lasiocarpum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1462 Riverside Colorado Desert; Chocolate-Chuckwalla mts region: Corn Springs campground in the Chuckwalla mts. Cyn SW of campground. UTM 3721895N, 655238E to 3720669N, 654757E 549 Comment
  POM48142  Lepidium lasiocarpum E. E. Schellenger 1920-05 s.n. Riverside E of Mecca, Colorado Desert. Comment
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Jun 18 2011
  RSA678339  Lepidium lasiocarpum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10476 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
  UCR217801  Lepidium lasiocarpum var. lasiocarpum Jim Andre, T. La Doux 2010-2-28 12552 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR112487  Lepidium latifolium A. C. Sanders, T. B. Salvato 2000-5-25 23405 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
  CAS-BOT-BC154069  Lepidium nitidum A. C. Sanders; T. B. Salvato; Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR22134  Lepidium nitidum Steve Boyd 1980-5-22 298 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  UCR251698  Lepidium nitidum T. B. Salvato 2014-4-9 7841 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR214323  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38383 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
  UCR97755  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  CAS-BOT-BC339177  Lepidospartum C. B. Wolf 1931-10-14 2462 -A Riverside At Cabezon, San Gorgonio Pass 518 Comment
  CLARK-A1528-726  Leptodactylon californicum Fred B. Essig 1964-4-25 28 Riverside Horsethief Canyon Comment
  JOTR35498  Leptosiphon aureus subsp. aureus La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3186 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  CAS-BOT-BC227052  Leptosiphon floribundus subsp. glaber Edmund C. Jaeger 1919-5-10 s.n. Riverside Rockhouse Canon [Canyon], southern Riverside Co. 457 Comment
  UCSB37849  Leptosiphon liniflorus Sanders, A. 1980-7-18 Riverside Garner Valley; meadow on the floor of the valley near the junction of the Thomas Mtn. Rd. with Hwy. 7b, about 1 mile SE of the head of Hemet Lake. T 6S, R 3E, SW1/4 of SW2/4 sec. 10 1341 Comment
  RSA0083862  Leptosiphon pygmaeus subsp. continentalis Andrew C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi N of Newport Rd. and 3/4 mi E of State St. 506 Comment
  UCR229518  Lessingia filaginifolia Jeremiah George 2011-9-8 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, Terra Cotta Rd. at Coal Ave, Warm Springs Valley 409 Comment
  RSA6039  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-8-4 3925 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA761687  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 703 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC421678  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside top of control on road to Hemet (Mt. San Jacinto); Mt. San Jacinto Comment
  RSA500172  Leymus triticoides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3655 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  UCR60834  Lilaea scilloides R. F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA192244  Lilium humboldtii subsp. ocellatum H. A. Zuill 1966-6-27 252 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  RSA716346  Limonium ramosissimum R. E. Riefner 2006-8-2 6 -356 Riverside Temescal Valley, W side of I-15 Freeway, ca. 1.1 mi N of Temescal Canyon Rd. 289 Comment
  SEINET7072830  Linanthus androsaceus A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  UC217948  Linanthus dianthiflorus P. A. Munz 1922-4-30 5134 Riverside s of Hemet (near Tuscalota Creek) Comment
  UCR155950  Linanthus floribundus Scott D. White 1994-4-23 2030 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  UCR102951  Linanthus jonesii George K. Helmkamp 1998-4-4 3172 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR213395  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37454 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA741068  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA657236  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12333 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  UC23766  Linanthus parviflorus Geo. R. Hall 1901-3-17 1674 Riverside near Riverside Comment
  RSA715179  Linaria canadensis var. texana John Green 2006-4-25 s.n. Riverside Peninsular Ranges; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S. General Kearny Road and La Serena Way; E of Veterans park. 366 Comment
  UCR182995  Linaria canadensis var. texana Mitch Provance 2003-5-5 4402 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCSB3558  Linum lewisii Lauter, Wolfgang 1960-5-15 Riverside 5.7 miles north of Idyllwild on Calif. highway 74 Comment
  UCR240642  Lithophragma Tracy Tennant, Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA731074  Lithophragma affine subsp. mixtum Steve Boyd, Aydee Virgen 2004-4-13 10881 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR116627  Loeflingia squarrosa A. C. Sanders 2001-3-20 23847 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UC1043024  Loeflingia squarrosa var. squarrosa John C. Roos 1952-5-14 5664 Riverside along roadside 2 mi nw Perris 487 Comment
  UC1563139  Loeseliastrum matthewsii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3650 Riverside s.e. Vail Lake (just n. of Hwy. 79, Temecula Creek); Vail Lake area, Temecula Creek 487 Comment
  RSA0081253  Loeseliastrum matthewsii Gary D. Wallace 1982-5-15 2005 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  POM14207  Loeseliastrum schottii P. A. Munz, D. D. Keck 1922-4-14 4979 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA577753  Lolium perenne subsp. multiflorum F. M. Reed 1928-8-11 5871 Riverside Near Chino Comment
  UCR20840  Lomatium mohavense A. C. Sanders, Steve Boyd 1980-4-17 595 Riverside Santa Rosa Mtns, Palms to Pines Hwy, near Ribbonwood 1284 Comment
  POM13767  Lomatium vaginatum P. A. Munz 1922-4-29 5094 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA680835  Lonicera subspicata var. denudata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8666 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  CDA27176  Lotus argophyllus T. C. Fuller 1964-4-14 11831 Riverside Bench above wash of Whitewater Canyon, 4.4 miles north of Whitewater. 0 Comment
  UCR92290  Lotus argophyllus Scott D. White, Michael A. Patten 1995-8-16 3548 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  RSA504557  Lotus argophyllus var. argophyllus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on Nuevo. 640 Comment
  RSA586095  Lotus hamatus D. L. Banks, S. D. Boyd 1995-4-5 0136 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
  UCR152516  Lotus hamatus A. C. Sanders 2005-4-22 29601 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR155156  Lotus hamatus A. C. Sanders, Kelly Volansky 2005-3-17 29205 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  POM2643  Lotus heermannii P. A. Munz 1918-4-27 2124 Riverside Temescal Canyon. Comment
  RSA406415  Lotus heermannii var. heermannii E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  RSA697967  Lotus humistratus J. R. Bruff 1928-5-2 169 Riverside Cottonwood Springs. Comment
  SEINET9294621  Lotus micranthus Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC1608296  Lotus micranthus Steve Boyd and Tim Ross 1992-5-5 7256 Riverside s of Serrano Spring (along Serrano Spring drainage, between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  UCR4765  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725- 04 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UC864847  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6721 Riverside Hemet Lake 1300 Comment
  UC864748  Lotus purshianus var. purshianus I. W. Clokey and E. G. Anderson 1935-8-21 6719 Riverside e of Keen Camp P.O. 1360 Comment
  SEINET8721510 Image available Lotus rigidus Lewis S. Rose 1938-1 38336 Riverside 15 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 671 Comment
  UC310841  Lotus salsuginosus Philip A. Munz 1925-5-20 9831 Riverside 2 mi w Dripping Spring 426 Comment
  RSA524445  Lotus salsuginosus var. salsuginosus Steve Boyd, Tim S. Ross, Laurel Arnseth, Jaime Bonilla, Bob Boyd 1990-4-3 4081 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
  UCR174090  Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-19 32433 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
  RSA136565  Lotus scoparius var. brevialatus P. H. Raven 1958-1-23 11416 Riverside Sandy wash along United States Highway 99 [Hwy 10], 8.6 miles west of Thousand Palms turnoff. Comment
  RSA771701  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4697 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UC597639  Lotus scoparius var. brevialatus Philip A. Munz 1937-5-31 15115 Riverside Anza Tablet, at head of Coyote Canyon, sw Riverside County Coyote Canyon 1066 Comment
  CSUSB1370  Lotus strigosus M. H. Frost 1954-6-6 Riverside San Jacinto Mountains San Jacinto Mountains 1371 Comment
  RSA702212  Lotus strigosus Scott D. White, Michael Honer 2004-3-11 9901 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR177997  Lotus strigosus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR234333  Lotus strigosus A. C. Sanders, John F. Green 2012-4-6 40002 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR72165  Lotus tomentellus Theo Glenn 1991-5-15 91- 44 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  UCR178966  Lupinus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 399 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  RSA413641  Lupinus andersonii N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  CLARK-A1656-890  Lupinus arizonicus Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 137 Comment
  RSA0121048  Lupinus arizonicus Duncan S. Bell, LeRoy Gross 2016-3-29 9119 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCR103307  Lupinus arizonicus George K. Helmkamp 1998-4-4 3156 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA591822  Lupinus bicolor E. W. Lathrop 1965-4-16 4450 Riverside 14 miles west of Murrieta. Comment
  RSA792468  Lupinus bicolor Justin M. Wood 2011-4-4 3403 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  SD137773  Lupinus bicolor Darin L. Banks, Steve Boyd 1995-5-3 282 Riverside Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 512 Comment
  SEINET7073451 Image available Lupinus bicolor 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
  RSA431075  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 5541- 2 -3 Riverside A colony growing 1 mile east of Beaumont on the southside of he highway at Xenica Ave. Comment
  POM12737  Lupinus bicolor subsp. microphyllus Philip A. Munz 1922-4-29 5079 Riverside [Sedco] Station, south of Elsinore. Comment
  POM157897  Lupinus bicolor subsp. microphyllus Philip A. Munz 1927-5-21 10895 Riverside Coahuila Valley. 1372 Comment
  SD227816  Lupinus concinnus Andrew C. Sanders 1994-5-29 14565 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05 850 Comment
  UC73186  Lupinus concinnus M. F. Gilman 1904-1 5 Riverside Banning Comment
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Mar 13 2011
  UCR16230  Lupinus concinnus A. C. Sanders 1973-4-28 00347 Riverside Peninsular Range; San Jacinto Mtns., east of Garner Valley, along switchbacks in trail from Morris Ranch Road to Cedar Springs 2012 Comment
  RSA673506  Lupinus concinnus subsp. optatus Scott D. White, Bill La Haye 2000-5-27 7936 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET10485079  Lupinus concinnus subsp. optatus August J. Breitung 1953-6-13 Breitung 15566 Riverside Idyllwild. San bernardino national forest, san jacinto mts. Keel almost Straight, not ciliate. 1646 Comment
  RSA501070  Lupinus densiflorus var. lacteus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3188 Riverside Vail Lake area, head of Temecula Creek Cyn at the dam. 426 Comment
  JOTR34172  Lupinus excubitus var. excubitus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 128 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  RSA526163  Lupinus excubitus var. hallii Steve Boyd, T. S. Ross 1990-5-11 4666 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SEINET269555  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Jackrabbit Canyon E. of Moreno Valley and S. of Calimesa between state Hwy. 60 and Gilman Spr. Rd. west and north of 518 Comment
  OBI35670  Lupinus hirsutissimus Carolyn Eytcheson 1979-4-10 599 Riverside In low hills in San Jacinto Valley near Winchester Comment
  RSA0012054  Lupinus hirsutissimus Steve D. Boyd, Susan Jett 2008-3-20 11827 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA413709  Lupinus hirsutissimus Jeannette B. Edge 1934-3-25 18876 Riverside Jurupa Mountains Comment
  UCD107944  Lupinus hirsutissimus R. N. Raynor 1933-3-31 s.n. Riverside San Jacinto Valley. Comment
  UCR16254  Lupinus longifolius S. Riddell 1973-5-17 730517 12 Riverside Peninsular Range; Santa Ana Mtns., 0.1 mi west of El Cariso Fire Station on Hwy 74, 15 ft from the road 793 Comment
  OBI48506  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  JOTR30920  Lupinus sparsiflorus La Doux, Tasha, Bill Truesdell 2008-4-29 2596 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  SBBG99765  Lupinus sparsiflorus W. L. Halvorson 1977-2-15 77 -27 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC1537124  Lupinus sparsiflorus Gordon H. True Jr. 1935-4-1 194 Riverside Box Springs 426 Comment
  UCR18665  Lupinus sparsiflorus Colin Wainwright 1977-3-28 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Spring area, Little Chuckwalla Mtns 610 Comment
  UCR225506  Lupinus sparsiflorus A. C. Sanders 2011-3-29 38838 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 SW of Wasson Canyon Rd. 508 Comment
  POM24047  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  RSA414277  Lupinus sparsiflorus subsp. sparsiflorus Christopher Davidson 1973-4-19 1992 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  POM202257  Lupinus succulentus Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  VVC230  Lupinus succulentus F. Zaebst 1959-3-29 s.n. Riverside 0.2 miles south of Murrietta Hot Springs Rd on W side of US 395 349 Comment
  UCR104007  Lupinus truncatus George K. Helmkamp 1998-4-3 3085 Riverside Sonoran (Colorado) Desert, West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. north of Tamarack Rd on Cottonwood Rd. 1280 Comment
  CAS-BOT-BC231419  Lycium andersonii Mrs. R. W. Campbell 1922-3-6 35 Riverside Palm Springs Comment
  RSA775400  Lycium andersonii Duncan S. Bell 2011-4-10 2250 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UC1280950  Lycium andersonii H. E. McMinn 1937-3-5 5001 Riverside about 7 mi w Blythe Comment
  UC219228  Lycium andersonii P. A. Munz 1922-4-29 5115 Riverside Agunaga Aguanga 609 Comment
  POM171285B  Lycium andersonii var. deserticola Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  POM250365  Lycium cooperi I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA409650  Lycopus americanus Louis C. Wheeler 1933-9-4 1317 Riverside Santa Ana River at Chino Creek. 183 Comment
  UCR101804  Lythrum californicum George K. Helmkamp, E. A. Helmkamp 1998-8-17 4441 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR163891  Lythrum californicum B. G. Pitzer 2001-8-19 4344 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  RSA776297  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Amanda Turek 2010-4-10 827 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
  SD181691  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Near Squaw Mountain. 640 Comment
  UC33207  Madia gracilis H. M. Hall 1901-6-11 2040 Riverside San Jacinto Mts. 1341 Comment
  CAS-BOT-BC206264  Malacothamnus fasciculatus Louis C. Wheeler 1931-10-4 218 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 853 Comment
  UCR106341  Malacothamnus fasciculatus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  POM10232  Malacothrix californica Charlotte M. Wilder 1904-5-15 124 Riverside North side of Jurupa Hills, near Riverside Comment
  RSA180425  Malacothrix clevelandii E. W. Lathrop 1965-5-9 5246 Riverside 6 miles W of Murrieta. Comment
  RSA561807  Malacothrix clevelandii Steve Boyd 1992-4-14 6837 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  CDA20796  Malacothrix glabrata G. F. Hrusa, J. A. Hart 1993-4-4 10598 Riverside Cholla Garden, Joshua Tree N.M. Comment
  UCR261454  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41441 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
  CAS-BOT-BC347894  Malacothrix saxatilis var. tenuifolia Katherine Esau 1935-6-20 s.n. Riverside Beaumont Grade Comment
  RSA588177  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor W. Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 560 Comment
  CAS-BOT-BC167853  Malosma laurina John Roos; Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mts. 487 Comment
  RSA0013135  Malva neglecta LeRoy Gross, Caitlin Elam 2013-5-14 6065 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UC1922057  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA0042213  Malva parviflora Margaret Murphy 1983-5-21 0035 -D Riverside Moreno Acres of the unincorporated area known as Sunnymead. North section of parcel 475-090-006, lot 20. Comment
  VVC2106  Mammillaria tetrancistra Tim Thomas 2012-8-23 5873 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  RSA772120  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4837 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
  CAS-BOT-BC216183  Marina parryi Carl B. Wolf 1932-4-28 s.n. Riverside Eastern Colorado Desert. S. W Edge of Maria Mts. 10 mi. from Blythe on Rice Road 152 Comment
  CAS-BOT-BC502091  Marina parryi A. C. Sanders; Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  SBBG45489  Marina parryi Leota Davidson 1966-4-3 317 Riverside Interstate 10 at Wiley Well turnoff, 30 mi E of Desert Center Comment
  SBBG93044  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  SD113621  Marina parryi Darley F. Howe 1952-4-28 2195 Riverside Box Canyon, east of Mecca. Comment
  UCR100879  Marina parryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2694 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR41602  Marina parryi A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6024 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  SEINET11098364 Image available Marina parryi S. P. McLaughlin, Janice E. Bowers 2005-1 10369 Riverside NW of Blyth. 250 Comment
  UCR101462  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA660553  Matricaria matricarioides Lydia Paneri 1982-4-17 12 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SEINET5560804  Matricaria matricarioides H. S. Gentry, Bruce Gentry 1973-1 23191 Riverside Gentry Ranch, 3.5 miles NE of Murrieta. 396 Comment
  UCR120167  Matricaria matricarioides Mitch Provance 1998-3-5 188 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR217530  Meconella denticulata Diane Menuz 2009-4-30 489 Riverside Penimsular Ranges: Santa Ana Mts., Cleveland National Forest; c. 0.38 km east of Wildomar Rd., along Tenaja Canyon, near entrance and parking area 573 Comment
  CSUSB1091  Medicago sativa J. Jacobi 1970-5-18 0518 1 Riverside Found in empty lot between Ottowa and Chicago Streets on Seventh Street. 304 Comment
  JEPS76204  Melica imperfecta W. L. Jepson 1939-4-17 19129 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  UC1146070  Melica imperfecta C. L. Hitchcock and C. V. Muhlick 1964-3-17 23101 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UC149807  Melica imperfecta H. M. Hall 1902-4-26 2974 Riverside vicinity Riverside (Box Springs Mt.); Box Springs Mt. 685 Comment
  UC1537223  Melica imperfecta Gordon H. True Jr. 1935-3-11 79 Riverside Box Springs 365 Comment
  UC38846  Melica imperfecta H. M. Hall May 1899 1111 Riverside Strawberry Creek; San Jacinto Mountains, San Jacinto Mountain 914 Comment
  UCR168613  Melica imperfecta T. B. Salvato, John F. Green 2004-5-27 579 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
  UCR240631  Melica imperfecta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 405 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR92655  Melica imperfecta G. P. Schultz 1994-4-7 89 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  POM204772  Melica imperfecta var. flexuosa H. M. Hall 1901-06 2079 Riverside South side of San Jacinto Mountains. 1463 Comment
  CLARK-A1528-2861  Melilotus albus John C. Roos 1965-7-3 Riverside Riverside Comment
  RSA586323  Melilotus indicus D. L. Banks, S. D. Boyd 1995-5-3 0188 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR110962  Melilotus indicus George K. Helmkamp 1998-6-27 4090 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA701360  Melilotus indicus Steve Boyd, Aydee Virgen 2004-4-13 10878 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SEINET189691 Image available Menodora scabra var. glabrescens Annie M. Alexander, Louise Kellogg 1941-1 2208 Riverside North base of Eagle Mountains 1158 Comment
  RSA69819  Mentha aquatica J. C. Roos 1951-9-25 5289 Riverside West end Fairmount Park 259 Comment
  UCR163513  Mentzelia B. G. Pitzer, J. Ross 1998-3-8 3600 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UC56213  Mentzelia affinis H. M. Hall Apr. 1903 3829 Riverside vicinity Riverside; Southern California 365 Comment
  RSA678947  Mentzelia desertorum Scott D. White, Michael Honer 2001-4-12 8307 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  CLARK-A1045-876  Mentzelia involucrata George K. Helmkamp 1977-3-20 Riverside Deep Canyon UCR Boyd Deep Canyon Reserve; sandy bottom of dry wash; ; ; Palm Desert 15'Q 304 Comment
  POM294421  Mentzelia involucrata Lyman Benson, Robert Benson 1952-4-8 14845 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
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Mar 26 2011
  RSA0043029  Mentzelia involucrata Duncan S. Bell, Loraine Washburn 2014-4-8 6575 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  RSA440410  Mentzelia involucrata Christopher Davidson 1973-4-1 1839 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  UC311294  Mentzelia involucrata Philip A. Munz 1926-1-1 10819 Riverside Thousand Palms Comment
  UCD117237  Mentzelia involucrata P. C. Everett 1958-4-29 23009 Riverside U.S. Hwy 60/70, Indio to Blythe, 6.5 miles east of junction with U.S. Hwy. 99. 243 Comment
  POM13079  Mentzelia involucrata var. megalantha R. Evans 1921-3-30 s.n. Riverside Painted Canyon, near Mecca. Comment
  POM98705  Mentzelia involucrata var. megalantha P. A. Munz 1926-1-31 9951 Riverside Dos Palmos [Palmas] Spring. Comment
  JEPS43918  Mentzelia jonesii Marjorie D. Clary 1932-3-27 1597 Riverside 5-10 mi n Indio; Indio Hills 243 Comment
  RSA4913  Mentzelia longiloba var. longiloba Carl B. Wolf 1932-4-28 3075 Riverside Chuckwalla Valley, 20 miles west of Blythe on the Mecca road 122 Comment
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Mar 26 2011
  SD129432  Mentzelia micrantha Ed LaRue 1989-5-3 Riverside 2.0 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest, at McVicker Canyon. 487 Comment
  UCR102947  Mentzelia obscura George K. Helmkamp 1998-4-4 3163 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCD170894  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 365 Comment
  PASA330  Microseris douglasii Frank W. Peirson 1922-4-30 Riverside 1 mile west of Lakeview 426 Comment
  RSA496365  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3039 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 549 Comment
  SEINET2053747 Image available Microseris linearifolia Richard Montijo 1990-4-27 Riverside Rancho California area; E of Santa Rosa Plateau, Green Meadow Road off de Potola Road. Sage 7.5 Quad 609 Comment
  RSA192025  Microsteris gracilis subsp. gracilis E. W. Lathrop 1959-4-2 4413 Riverside Cleveland National Forest, Trabuco District, Tenaja Guard Station, slopes of Tenaja Canyon. Comment
  POM8577B  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  UC1039776  Mimulus aurantiacus var. pubescens Herbert L. Mason 1926-5-2 3190 Riverside Aguanga Valley Comment
  RSA0056603  Mimulus aurantiacus var. pubescens Steve Boyd 1986-4-22 1749 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  SEINET7907901  Mimulus bigelovii D. A. Johnson 2005-1 Riverside Joshua Tree Nat'l Park, between Coachella & S entrance to park, S of Interstate 10 914 Comment
  RSA0059089  Mimulus bigelovii Norman C. Cooper 1944-6-17 1417 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UC886099  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside 5 mi e Desert Center (n base of mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  SEINET3078508 Image available Mimulus cardinalis Emily E. McGregor 1972-5-21 s.n. Riverside Santa Ana River bottom, off Freemont Drive Comment
  CLARK-A1045-283  Mimulus diffusus George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along road; yellow pine forest just west of North Fork of the San Jacinto River; Lake Fulmor 7.5'Q Comment
  UC27063  Mimulus moniliformis H. M. Hall 1897-8-11 805 Riverside San Jacinto Mountains Comment
  RSA543841  Mimulus palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6304 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR151097  Mimulus pilosus Scott D. White, Julie Greene 1998-8-1 6974 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR280968  Mimulus pilosus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 34 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  RSA0018998  Mimulus suksdorfii Steve Boyd, Gary D. Wallace 2005-7-30 11638 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  UC63722  Mimulus tilingii H. M. Hall July 1901 2403 Riverside Tamarack Valley San Jacinto Mountains 2743 Comment
  CAS-BOT-BC434703  Mirabilis laevis var. crassifolia Ivan Johnston 1917-4-4 1090 Riverside Colorado Desert. Mouth of Andreas Canon [Canyon] 243 Comment
  NY199128  Mirabilis laevis var. crassifolia D. K. Christopher 2003-4-6 101 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Road 540 Comment
  JEPS61300  Mirabilis laevis var. retrorsa W. L. Jepson 1914-5-18 6018 Riverside County Well, on grade from Pinion Well to Indio 304 Comment
  SEINET3161596  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western border of the Colorado Desert 360 Comment
  RSA49376  Mirabilis laevis var. villosa P. A. Munz 1949-4-12 13037 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  SBBG1884  Mirabilis laevis var. villosa H. and M. Dearing 1936-12-25 2819 Riverside Long Cyn, Colorado Desert Comment
  UC279685  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-2-28 Riverside hills near Salt Creek Wash Comment
  SEINET3092867 Image available Mirabilis multiflora K. Harper 1988-5-14 Riverside San Jacinto Mountains, lower 5 miles of the graded dirt road from Hwy 74 to Santa Rosa Mountain. Comment
  UCR130711  Mirabilis multiflora var. pubescens George K. Helmkamp, E. A. Helmkamp 1998-6-27 4077 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  JOTR31938  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2176 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  POM13891  Mohavea confertiflora Philip A. Munz, D. D. Keck 1922-4-9 4825 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA799255  Mohavea confertiflora Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 740 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
  RSA782035  Mollugo cerviana Duncan S. Bell 2011-10-22 2978 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
  UCR125892  Monardella A. C. Sanders, Mark Elvin 2001-8-17 24595 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UCD125187  Monardella breweri subsp. lanceolata R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  LA62738  Monardella linoides subsp. linoides Harlan Lewis; 1941-8-4 sn Riverside San Jacinto Mountains, Fire road E of Keen Maintenance Station Comment
  UCR220072  Monardella linoides subsp. linoides Mark A. Elvin 2004-8-3 3653 Riverside Peninsular Ranges: San Jacinto Mountains, Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  UCR189792  Monardella macrantha subsp. hallii Josh Koepke 2005-6-5 s.n. Riverside Peninsular Range, Agua Tibia, c. 100 m west of Wood Chuck Road 676 Comment
  SEINET10499560 Image available Monardella macrantha var. hallii Harvey M. Hall Hall 1936 Riverside Palomar Comment
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Jul 19 2020
  RSA750405  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 68 Riverside 1.5 miles E of Ribbonwood. Pines to Palms Highway. Comment
  RSA750294  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 103 Riverside Black Mt. 0.5 mile beyond Black Mt. Spring. Comment
  UC1499836  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside w Domengonio Flats (on slope s of Strawberry Creek); San Jacinto Mts. Comment
  SEINET10862272  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 48 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  JOTR16606  Monoptilon bellioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  POM363575  Monoptilon bellioides E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 70 Comment
  RSA676035  Monoptilon bellioides Scott D. White 2001-4-12 8294 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA678216  Monoptilon bellioides Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1083 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR104835  Monoptilon bellioides George K. Helmkamp 1998-4-4 3165 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA0123696  Muhlenbergia appressa Duncan S. Bell, LeRoy Gross 2016-3-30 9164 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
  SBBG56964  Muhlenbergia asperifolia M. D. Clary 1928-8-11 70 Riverside Carrizo Crk Comment
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Nov 11 2011
  JEPS22521  Muhlenbergia microsperma Rimo Bacigalupi with Paul Hutchison 1958-2-19 6189 Riverside 9.4 mi. n. Blythe (in wash at w. base of Big Maria Mts.); Big Maria Mts. 167 Comment
  POM14440  Muhlenbergia microsperma P. A. Munz, Johnston 1922-5-21 5550 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  RSA0123752  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-10 8871 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA0078488  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  SD146126  Myriopteris clevelandii A. C. Sanders, Mitch Provans, E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mountain 915 Comment
  SD82647  Myriopteris parryi Louis C. Wheeler 1933-12-2 2305 Riverside Mouth of Tahquitz Canyon near Palm Springs 142 Comment
  OBI2155  Nama demissa P. A. Holden 1969-3-29 678 Riverside Just W of state hwy 62 and N of Mission Crk at foot of Morongo Grade Comment
  RSA699658  Nama demissa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  UCR148470  Nama demissa S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCSB5298  Nama demissa Walker 1954-4-10 Riverside Mouth of White Water Canyon Comment
  CSUSB114  Nama demissum var. demissum Kirby W. Brown 1966-3-10 Riverside 3.7 miles east of 1000 Palms. 60 Comment
  RSA484139  Nassella pulchra Christopher Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  SEINET231382  Nassella pulchra Kay L. Tomlinson, Deborah L. Kama; Robert F. Thorn 1985-3-27 890 Riverside Santa Rosa Plateau Mesa de Colorado 610 Comment
  POM10420  Navarretia atractyloides R. Johnson 1905-06 s.n. Riverside West Riverside Comment
  UCR116959  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2001-5-3 24110 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA623559  Navarretia fossalis R. E. Riefner 1998-10-15 98 -521 Riverside Paloma Valley Comment
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Oct 29 2010
  RSA450147  Navarretia hamata J. C. Roos 1965-6-30 s.n. Riverside ortega Highway, Santa Ana Mtns. Comment
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May 21 2011
  SD227875  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside San Bernardino Mtns.: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA703803  Nemacladus glanduliferus var. orientalis LeRoy Gross 2005-3-3 1599 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  POM4574  Nemacladus longiflorus var. longiflorus S. B. Parish 1917-6-11 11304 Riverside Santa Ana River. Comment
  RSA586311  Nemacladus longiflorus var. longiflorus D. L. Banks, S. D. Boyd 1995-5-3 0222 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC102222  Nemacladus longiflorus var. longiflorus Katharine Brandegee 1905-5-12 Riverside near Riverside (Wilder's) Comment
  UC472905  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail; San Jacinto Mt. 1828 Comment
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Apr 9 2017
  POM316889  Nemacladus orientalis Marcus E. Jones 1930-4-2 26444 Riverside Hayfields Comment
  RSA777654  Nemacladus orientalis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 756 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA557727  Nemacladus ramosissimus Steve Boyd, Orlando Mistretta 1992-4-23 7075 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area Western flank of Bluewater Canyon along Bluewater Trail between canyon bottom and southern end of Oak Flats. 488 Comment
  UCR139157  Nemacladus ramosissimus S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1204 Comment
  RSA759208  Nemacladus ramosissimus Robt. Allen, L. Fuentes 2008-4-10 s.n. Riverside Along Bear Canyon Trail, 0.21 air mile SSE of the trailhead near Ortega Hwy. 664 Comment
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Jan 16 2012
  UCR18415  Nemacladus sigmoideus A. C. Sanders 1978-4-30 00254 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  RSA799238  Nemacladus tenuis var. aliformis Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 A 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
  POM3460  Nemophila menziesii Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA421341  Nemophila menziesii Julia McClure 1940-05 s.n. Riverside San Jacinto. Comment
  UCR213310  Nemophila menziesii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37688 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR214009  Nemophila menziesii Scott D. White, Angelia Carey 2004-4-5 9987 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCSB46709  Nemophila menziesii James, Susanne 1977-4-7 Riverside South of Lake Matthews; southern Riverside Co., CA 457 Comment
  RSA717582  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  UCR193977  Nicotiana attenuata A. C. Sanders 2008-7-25 35912 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UC303675  Nicotiana obtusifolia S. B. Parish 1919-3-27 19200 Riverside Palm Springs; Colorado Desert Comment
  UCR199831  Nicotiana obtusifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11277 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
  JOTR29586  Nolina parryi Andre, Jim 2006-4-26 6779 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA686401  Notholaena californica W. G. Wright 4764 Riverside Colorado Desert. Comment
  UCD137527  Notholaena californica Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz wash. 182 Comment
  POM122903  Notholaena californica subsp. californica Marcus E. Jones 1925-1-24 s.n. Riverside Andreas Canon Comment
  POM159450  Oenothera californica subsp. californica P. A. Munz 1927-5-21 10835 Riverside Coahuila Valley. Comment
  RSA596774  Oenothera californica subsp. californica D. L. Banks, K. D. Hedge 1996-5-16 1042 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  RSA649936  Oenothera claviformis L. Fountain 1966-2-23 18 Riverside Colorado Desert [along Highway] 60, 1 mile south of Garnet. Comment
  CSUSB208  Oenothera deltoides Steve G. Nelson 1974-4-13 Riverside Two miles north of US Highway 10 on Washington. Found 200 yards from road in sand dunes. 152 Comment
  RSA776903  Oenothera deltoides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 959 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCD106860  Oenothera deltoides John Wear 1995-3-23 s.n. Riverside Colorado Desert: Blythe. 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
  POM14019  Oligomeris linifolia P. A. Munz, D. D. Keck 1922-4-8 4741 Riverside 1/2 miles east of Indio. -15 Comment
  RSA399182  Oligomeris linifolia Ora M. Clark 1929-3-17 1740 Riverside N. La Quinta, Colorado Desert. Comment
  RSA0039458  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  SEINET15324998  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-1 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi S of van Buren Blvd. (Riverside east 7.5' Quad) 465 Comment
  UCR163146  Oncosiphon piluliferum A. C. Sanders 2005-3-22 29245 Riverside Riverside, 3rd St. near Gage Canal and railroad 268 Comment
  UCR249221  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  RSA0097795  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-6-25 18362 Riverside The Badlands, 550m south of San Timoteo Wash, 33 km ENE of Riverside, hillside of fine gray-brown silt with gravel and rocks. 637 Comment
  CAS-BOT-BC58051  Opuntia basilaris var. basilaris Anne Harrison 1962-4-17 28 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET10447238  Opuntia echinocarpa David B. Dunn 1946-3-16 Dunn 2082 Riverside Collected on a dry plateau n of pushawalla palms about a mile. Indio hills. Comment
  POM288042C  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  CAS-BOT-BC56226  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9458 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  JEPS85944  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  CAS-BOT-BC502863  Orobanche cooperi subsp. cooperi Ira L. Wiggins 1941-3-24 9589 Riverside On E side of Salton Sea, 1 mi N of Imperial County Line Comment
  RSA0084140  Orobanche cooperi subsp. cooperi Percy C. Everett, E. K. Balls 1958-4-29 23031 Riverside 21.9 mi sw of Rice along road from Desert Center to Vidal Jct. 549 Comment
  RSA0084356  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1922-3-4 1108 Riverside Painted Canyon, near Mecca. Comment
  CLARK-A1045-173  Orthocarpus densiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains vernal pools; Wildomar 7.5'Q Comment
  RSA612850  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-1 1366 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA593990  Oxalis pes-caprae D. L. Banks, Elizabeth Hedge Banks 1996-5-2 944 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  JEPS44379  Oxytheca trilobata Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4277 Riverside 1.8 mi above Mountain Home Spring (on road to Santa Rosa Mountain) Comment
  POM157924  Oxytheca trilobata P. A. Munz 1927-5-21 10847 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  RSA508023  Oxytheca trilobata Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2285 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR147565  Oxytheca trilobata Rashmi Pant, D. L. Banks 1996-5-1 1013 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Cleveland National Forest: Along the Cutca Trail, east of the Cutca Valley, c. 0.5 miles west of the Aguanga Trail Junction Comment
  CAS-BOT-BC327910  Palafoxia arida Geo. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert. Palm Springs Comment
  CAS-BOT-BC327911  Palafoxia arida H. M. Hall 1902-4-1 2768 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  SBBG65759  Palafoxia arida R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn Comment
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Oct 31 2011
  UCR124639  Palafoxia arida B. C. Templeton, I. W. Clokey 1930-4-9 1006 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  RSA21761  Palafoxia arida var. arida C. B. Wolf 1937-4-6 8433 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  RSA314484  Panicum capillare R. F. Thorne, K. L. Wright, R. K. Benjamin 1982-10-8 55367 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR188996  Panicum dichotomiflorum subsp. dichotomiflorum Fred M. Roberts, S. Leatherman 2007-9-19 6590 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CAS-BOT-BC253850  Panicum hirticaule Marcus E. Jones 1929-9-16 24653 Riverside E of Desert Center Comment
  POM193819  Panicum hirticaule subsp. hirticaule Marcus E. Jones 1929-9-19 24693 Riverside East of Desert Center Comment
  UCR162569  Parietaria hespera var. hespera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16099 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  POM308539  Pectis papposa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3156 Riverside 20 miles E of Indio. Comment
  SEINET201206  Pectis papposa Jack L. Reveal 1962-9-7 246 Riverside Near the summit north of Pinto Basin in the Joshua Tree National Monument. 1280 Comment
  JEPS26051  Pectis papposa var. papposa Lewis S. Rose 1959-1-8 59004 Riverside La Quinta 15 Comment
  SD96353  Pectis papposa var. papposa David Keil 1975-8-27 K 10994 Riverside 8 miles west of Desert Center along I-10 Comment
  UC65019  Pectis papposa var. papposa E. E. Schellenger 1904-10-19 20 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  UCR241927  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  CLARK-A1528-2247  Pectocarya heterocarpa John C. Roos 1966-3-20 Riverside Comment
  UCR72202  Pectocarya heterocarpa Theo Glenn 1992-3-31 92 19 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  SEINET10805493  Pectocarya linearis John F. Green 2006-4-18 Green s.n. Riverside NE of Murrieta just S of Los Alamos Rd. ("Clinton Keith Rd."), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley (Murrieta 7.5'Q). Dirt road edges with remnant sage scrub in rural residential area; less disturbed extant sage scrub to the NW. 415 Comment
  UCR241691  Pectocarya linearis T. B. Salvato 2013-3-22 7401 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  RSA770296  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4582 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA586034  Pectocarya penicillata D. L. Banks, S. D. Boyd 1995-3-16 86 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 789 Comment
  UCR174067  Pectocarya penicillata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32630 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
  UCR177824  Pectocarya penicillata S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., Reed Valley at beginning of powerline trail to Juan Diego Flats, NW of Cahuilla Mountain 1037 Comment
  SD143996  Pectocarya recurvata A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns.: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 182 Comment
  UCR139715  Pectocarya recurvata B. G. Pitzer 1989-4-16 1306 A Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR253614  Pectocarya recurvata Helen Kennedy, T. B. Salvato 2002-2-2 5444 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
  JOTR30978  Pectocarya setosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1949 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  RSA49169  Pectocarya setosa P. A. Munz 1949-4-13 13066 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA525234  Pectocarya setosa Steve Boyd, Timothy S. Ross 1990-5-11 4611 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  SD39275  Pectocarya setosa Edith A. Purer 1935-4-21 6446 Riverside Pine Valley, Pines to Palms Highway Comment
  RSA593986  Pelargonium panduriforme D. L. Banks, Elizabeth Hedge Banks 1996-5-2 954 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  CAS-BOT-BC71401  Pellaea mucronata Annie M. Alexander; Louise Kellogg 1941-3-23 1993 Riverside Tahquitz Canyon, Palm Springs 170 Comment
  RSA686926  Pellaea mucronata Gale Sphon 1955-5-21 21 Riverside 5 miles south of Banning Comment
  CAS-BOT-BC71527  Pellaea mucronata var. californica Louis C. Wheeler 1931-10-4 174 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mts. 2042 Comment
  UCR17580  Pellaea mucronata var. californica N. R. Zabriskie, J. Zabriskie 1971-4-9 362 Riverside Peninsular Range; Santa Rosa Mtns., north slope of mtns., Deep Canyon, c. 2 mi. up water service road leading south of Hwy 74. Site 2 1311 Comment
  RSA25155  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA34556  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
  POM305715  Penstemon X parishii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1024 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA96915  Penstemon X parishii R. M. Straw 1954-6-10 603 -b Riverside Lake Fulmor. Comment
  CHSC108906  Penstemon californicus Duncan S. Bell; Joy England 2010-6-14 1300 Riverside Peninsular Ranges; San Jacinto Mountains region: 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. On east facing slope. 1367 Comment
  NY583793  Penstemon centranthifolius D. B. Dunn 1973-6-15 20770 Riverside Collected at the junction of Highway 74 and 71. A gas station on the southwest corner. Comment
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May 24 2012
  UC1043379  Penstemon centranthifolius Richard M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain Road , Santa Rosa Mountain Road (from Palms to Pines Hwy) 1676 Comment
  UC218112  Penstemon centranthifolius P. A. Munz 1922-6-27 5847 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 1981 Comment
  UCR98770  Penstemon centranthifolius Scott D. White 1996-8-1 4454 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA0120326  Penstemon clevelandii subsp. connatus Duncan S. Bell, Thomas Stoughton 2016-4-14 9292 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA23618  Penstemon clevelandii subsp. connatus Carl B. Wolf, Percy C. Everett 1939-9-29 9461 Riverside Desert slopes of San Jacinto Range, 1.2 miles above Ribbonwood on the Palms to Pines Hwy 1280 Comment
  JEPS3819  Penstemon clevelandii var. connatus Marjorie D. Clary 1934-4-23 Riverside Vandeventer Flats Santa Rosa Mts., Vandeventer Flats 1219 Comment
  UC27490  Penstemon grinnellii H. M. Hall July 1901 2548 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains (Southern California) 2133 Comment
  NY604276  Penstemon labrosus V. E. Grant 1951-7-20 16099 Riverside Idyllwild, San Jacinto Mountains 1645.9 Comment
  RSA559335  Penstemon spectabilis Steve D. Boyd, Tim S. Ross 1992-5-15 7407 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UCR164932  Penstemon spectabilis T. B. Salvato, John F. Green 2004-5-27 627 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
  UCR4114  Penstemon spectabilis Ronald M. Cope 1965-5-3 s.n. Riverside Riverside, on E side of road between Pigeon Pass Rd. and 'Big C', about 0.5 mi from 'C' 610 Comment
  RSA97002  Penstemon spectabilis subsp. spectabilis R. M. Straw 1953-6-25 487 Riverside Santa Rosa Mountain Truck Trail, off Palms to Pines Hwy. 1677 Comment
  CAS-BOT-BC330348  Pentachaeta aurea H. M. Hall 1901-6-1 2057 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  UC472721  Pentagramma maxonii M. F. Spencer May 1921 Riverside Palm Springs; Colorado Desert Comment
  RSA687390  Pentagramma triangularis Norman C. Cooper 1947-4-5 2031 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA0070722  Pentagramma triangularis Marcy Keys 1981-5-16 91 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. Comment
  CAS-BOT-BC77495  Peritoma arborea var. angustata R. Bacigalupi 87 Riverside Canyon Springs Comment
  CAS-BOT-BC355993  Perityle emoryi Peter H. Raven 1958-1-24 11446 Riverside Alluvial fan of Fargo Canyon Comment
  CLARK-A1528-276  Perityle emoryi Charlotte Stocks 1964-5-20 Riverside Indio Comment
  POM8380  Perityle emoryi Mary F. Spencer 1920-4-7 783 Riverside Palm Springs. 122 Comment
  SFV4387  Perityle emoryi F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert About 7 miles up Palms to Pines Highway from Palm Desert. 335 Comment
  SJSU11661  Perityle emoryi R. C. McGehee 1970-3-5 132 Riverside Corn Springs, Chuckwalla Mts 18 mi SE of Desert Center Comment
  UCR112105  Perityle emoryi A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23357 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  SBBG102883  Persicaria maculosa L. Ede 1991-3-12 Riverside Palo Verde Valley, SE of Ripley, E side of drain on 30th Ave at Defrain Blvd 74 Comment
  JOTR29267  Petalonyx thurberi subsp. thurberi La Doux, Tasha 2005-8-17 1536 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  LA49854  Petalonyx thurberi subsp. thurberi Victor Duran; 1933-7-3 3500 Riverside Coachella Valley, Deep Canyon 243 Comment
  RSA381551  Petunia A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the N side of Spruce St. between Rustin and canyon Crest Streets. 305 Comment
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Apr 5 2016
  CAS-BOT-BC326730  Peucephyllum schottii Ivan Johnston 1917-4-4 1082 Riverside Palm Canyon 304 Comment
  SD27949  Peucephyllum schottii Carl B. Wolf 1932-4-26 1473 Riverside Colorado Desert, 8 miles east of Mecca on Blythe Road 89 Comment
  UCR196348  Peucephyllum schottii Naomi Fraga, Lisa Rojas 2005-2-10 1375 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 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
  UC923114  Phacelia Freed W. Hoffman 1950-4-24 3318 Riverside Perris to Hemet Hwy (#74) at Winchester road junction; Rock Brook Ranch Comment
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Mar 20 2011
  RSA125596  Phacelia affinis Peter H. Raven 1958-5-5 12906 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  POM259462  Phacelia ambigua E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  UC1426005  Phacelia campanularia Robert F. Thorne and R. Carolin 1967-3-21 41652 Riverside 11.6 mi s Twentynine Palms; Joshua Tree National Monument, Split Rock 1280 Comment
  UCD120285  Phacelia campanularia William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  JEPS2213  Phacelia campanularia subsp. vasiformis W. L. Jepson 1928-4-25 12571 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  RSA124430  Phacelia campanularia subsp. vasiformis Percy C. Everett, E. K. Balls 1958-5-4 23082 Riverside Morongo Canyon. 671 Comment
  UC666536  Phacelia campanularia subsp. vasiformis Reid Moran 1941-5-5 856 Riverside Cottonwood Pass Eagle Mts. Comment
  CLARK-A1528-553  Phacelia cicutaria Annette Price 1962-4-22 O 35 Riverside Lake Mathews Comment
  UCR213444  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37832 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR89879  Phacelia cicutaria var. hispida Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3338 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR91405  Phacelia cicutaria var. hispida Scott D. White 1995-4-5 2721 .1 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  CSUSB137  Phacelia crenulata R. A. Clark 1966-3-5 3566 6 Riverside 5 miles east of Mecca, Ca., on State Highway 195, on man-made dike. -57 Comment
  SEINET2042416 Image available Phacelia crenulata B. Pitzer 1998-2-1 3442 Riverside Hayfield Spring Quad 7.5': Hayfield Dry Lake, alluvial fan on N side of lakebed, from paved road lakebed. 427 Comment
  UCSC001204  Phacelia crenulata Peter Kamb 1948-4-11 863 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley, Larrea plain 305 Comment
  RSA0035906  Phacelia crenulata var. ambigua J. M. Andre 2013-3-27 24829 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  JEPS2400  Phacelia distans E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  POM74228  Phacelia distans Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  RSA426223  Phacelia distans Ora M. Clark 1929-3-17 1697 Riverside Colorado Desert, south of Cabazon. Comment
  SD187426  Phacelia distans Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Colorado Desert; Northeastern Colorado Desert region: just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  UC68750  Phacelia distans H. M. Hall Apr. 1905 5794 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR102762  Phacelia distans B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3592 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR176885  Phacelia distans Tracy Tennant 1998-6-5 1028 Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  UCR262276  Phacelia distans A. C. Sanders 2006-5-13 32288 Riverside Peninsular Range, 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
  JOTR30257  Phacelia ivesiana Leary, C. and Leary, Pat 1979-5-6 3029 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 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
  RSA203061  Phacelia minor James Henrickson 1967-4-30 2462 Riverside 2 miles N of Lake Elsinore. 396 Comment
  UC1244692  Phacelia minor Roy L. Taylor and R. O. Ornduff 1960-3-21 4401 Riverside 2 mi n Aguanga (on rd to Coahuila) Comment
  UCR136276  Phacelia minor A. C. Sanders 2004-4-20 27552 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
  UCR21972  Phacelia minor Steve Boyd 1980-3-3 177 Riverside Gavilan Plateau, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR241659  Phacelia minor T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 322 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR620B  Phacelia minor S. C. Warner 1956-4-21 s.n. Riverside Box Spings Mtns., top of mtns, saddle off W side of road, between Pigeon Pass and ranch west of road 701 Comment
  UCR84879  Phacelia minor A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16201 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  RSA0042826  Phacelia pedicellata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6252 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA428273B  Phacelia rotundifolia E. C. Jaeger 1922-3-25 752 Riverside Murray Canon, near Palm Springs. 305 Comment
  SEINET954243  Phalaris aquatica Mitch Provance, Brett Provance 2005-1 5700 Riverside San Bernardino Valley; Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland). 277 Comment
  POM14423  Phleum pratense P. A. Munz 1922-7-4 5967 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  SD63337  Phlox austromontana Walter Bertsch 1957-6-29 950 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2438 Comment
  UCR151223  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside Peninsular Ranges; Perris-Aguanga Basin region, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  RSA459291  Pholistoma membranaceum Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  CLARK-A1656-722  Phoradendron californicum Theo Glenn 1981-3-14 Riverside Whitewater Canyon Comment
  HSC15912  Phoradendron californicum L. S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  OBI36173  Phoradendron californicum Faulkner 1978-3-21 351 Riverside 9 mi N of Blythe, Hwy 95 Saline flats 152 Comment
  RSA420776  Phoradendron californicum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA420780  Phoradendron californicum Ora M. Clark 1929-3-17 1737 Riverside West of Indio. Comment
  RSA650124  Phoradendron californicum David B. Dunn 1947-7-12 2978 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA97439  Phoradendron californicum F. W. Peirson 1920-12-28 1719 Riverside Murray Canyon near Palm Springs Comment
  UCR114127  Phoradendron californicum B. G. Pitzer, J. Ross 1998-3-8 3602 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  UCR139382  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCSB18279  Phoradendron leucarpum subsp. tomentosum Copeland, Jerry 1964-5-9 Riverside Alandale Pines, 19 miles south of Banning, 100 yards off road to Idyllwild Comment
  RSA604716  Phoradendron macrophyllum Louis C. Wheeler 1961-10-8 7931 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  UCR35271  Physalis acutifolia Ken Chapman 1971-8-29 423 Riverside San Jacinto Valley - W side 473 Comment
  JEPS8988  Physalis crassifolia W. L. Jepson and W. C. Mathews May 1914 6028 Riverside n of Indio (County Well); Colorado Desert Comment
  RSA0031611  Physalis crassifolia Jim Andre 2013-3-27 24816 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA0093747  Physalis crassifolia Jim M. Andre 2012-4-11 20721 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  RSA124414  Physalis crassifolia Percy C. Everett, E. K. Balls 1958-4-29 23018 Riverside U.S Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
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Mar 20 2011
  RSA423820  Physalis crassifolia Anstruther Davidson 1901-5-1 s.n. Riverside Thermal. Comment
  RSA784952  Physalis crassifolia Duncan S. Bell 2012-2-12 3110 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SD247517  Physalis crassifolia A. C. Sanders, Jim Malusa 2015-9-10 41858 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi. SE of its junction with Summit Road, in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  UCR103579  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-1-17 2549 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR31807  Physalis crassifolia Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  RSA718292  Physalis crassifolia Michael Honer, L. Hulse 2004-4-2 1873 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  RSA544441  Pilularia americana Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6348 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UCD134519  Pinus contorta subsp. murrayana Gordon Pilone 1961-1-14 81 Riverside Trail to Tahquitz Peak, San Jacinto Mountain Range. 2651 Comment
  POM11510  Pinus flexilis Philip A. Munz 1922-7-7 6037 Riverside San Jacinto Peak. near summit. 3277 Comment
  RSA5238  Pinus flexilis C. B. Wolf 1932-8-5 3982 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  CAS-BOT-BC73140  Pinus lambertiana S. B. Parish; W. F. Parish 1881-1-1 383 Riverside San Jacinto Mts. Comment
  CAS-BOT-BC79095  Pinus quadrifolia H. M. Hall 1899-5-23 s.n. Riverside 1 1/2 mi. South of [Van de Henter's] Vandeventer Comment
  POM262897  Pinus quadrifolia J. C. Roos 1938-8-7 585 Riverside Summit Pines to Palms Road, San Jacinto Mt. Comment
  UC205936  Pinus quadrifolia Ellsworth Bethel 1918-5-11 Riverside Nigger Jim Hill. 35 mi so. east San Jacinto. In Canyon and on hill near road from Hemet Valley to Coahuila. south side of Hill. Comment
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Jun 4 2014
  UCR100162  Pityrogramma triangularis Scott D. White 1992-12-16 983 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  SEINET244840  Plagiobothrys acanthocarpus Ian G. Gillespie 2000-4-26 26 Riverside Perris-Aguanga Basin; S side of Paloma Valley. Hilltop at S end of Linderberger Road, SW of the intersection of Scott Road and Briggs Road. 473 Comment
  RSA666894  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24192 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UC1347182  Plagiobothrys canescens Alice Eastwood and John Thomas Howell 1937-4-24 3917 Riverside above Elsinore; Summit of Santa Ana Mts. Comment
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  SEINET3084168 Image available Plagiobothrys collinus var. californicus Richard Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off of de Portoloa Road. T7S, R1W, sec. 30. 610 Comment
  POM13234  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-21 5514 Riverside 1/2 mile above Keen Camp, San Jacinto Mountains 1524 Comment
  UCR31281  Plagiobothrys fulvus A. C. Sanders, Theo Glenn 1983-4-17 3736 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  POM3872  Plagiobothrys leptocladus P. A. Munz, I. M. Johnston 1918-4-27 2123 Riverside Elsinore Lake 366 Comment
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Nov 20 2011
  UCR97458  Plagiobothrys tenellus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19876 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA198964  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, P. A. Munz 1968-5-8 37570 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  SBBG119432  Plantago erecta S. Boyd 2001-4-12 10413 Riverside SE base of Alberhill Mtn, on flats N of Nichols Rd and W of Pierce St, in the vicinity of the site of Terra Cotta Comment
  UCR106736  Plantago lanceolata John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  SDSU13609  Plantago major W. Miller, C. Mosse 1972-7-21 Riverside Comment
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  JEPS22513  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6196 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  UC1279712  Plantago ovata David B. Dunn 1948-2-21 3686 Riverside n of Pushawalla Comment
  POM266057  Plantago ovata var. fastigiata C. L. Hitchcock 1940-4-4 5952 Riverside Pinto Basin. Comment
  RSA402039B  Plantago ovata var. fastigiata M. B. Dunkle 1933-3-4 3046 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA4909  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-27 3025 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  UCR193405  Plantago patagonica A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35620 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  SDSU13610  Platanus racemosa W. Miller, C. Mosse 1972-7-19 Riverside 50 ft. from the river, 200 yards upriver from beaver dam. Comment
  SEINET10763688  Platanus racemosa R. Allen, Fred M. Roberts 2007-6-22 Allen s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. UTM Zone 11S; 3726312mN; 05152050E. 727 Comment
  UC50136  Platystemon californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR138836  Platystemon californicus D. L. Banks 1997-4-5 1682 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
  SD137591  Plectritis ciliosa Darin L. Banks 1995-5-9 388 Riverside 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
  RSA676058  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA676256  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  SEINET6186104  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-1 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  POM8378  Pluchea sericea Mary F. Spencer 1918-3-28 782 Riverside In Palm canyon. 183 Comment
  POM10498  Poa annua Anonymous 1909-03 s.n. Riverside Chicago Ave. Comment
  SEINET244767 Image available Poa bulbosa A. C. Sanders 2002-5-4 25042 Riverside San Jacinto Mtns.; Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  CAS-BOT-BC254574  Poa fendleriana subsp. longiligula H. M. Hall 1899-5-1 1174 Riverside El Toro Mountain Comment
  RSA801723  Poa howellii LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6168 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA262071  Poa secunda E. W. Lathrop 1966-4-27 6207 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  UCD90448  Poa secunda R. Tofsrud 1949-4-27 s.n. Riverside Hwy 395 between Camp Haan and March Fiels. Comment
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Apr 20 2013
  GMDRC2192  Poa secunda subsp. juncifolia J. Andre 2006-4-6 7749 Riverside Little San Bernardino Mountains: Joshua Tree National Park: approx. 50 meters N. of Keys View parking area. Elev. 5094 ft. 1553 Comment
  UC1022815  Poa secunda subsp. secunda Philip A. Munz 15658 Riverside 2 mi n Banning (Indio Blvd); Whitewater Canyon 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
  UCR120340  Polygonum lapathifolium Mitch Provance 1998-7-23 929 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  RSA799069  Polypogon monspeliensis Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  SEINET6631301 Image available Polypogon monspeliensis Scott D. White 2004-1 10252 Riverside San Jacinto Mountain Foothills; Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  UCR21854  Polypogon monspeliensis Steve Boyd 1980-7-16 s.n. Riverside Peninsular Range, Motte Reserve, 2.5 mi NW of Perris, 0.3 mi south of secretary's house 518 Comment
  UCR275326  Polypogon monspeliensis Jeremiah George, Mitch Provance 2012-4-23 s.n. Riverside San Gorgonio Pass, Banning, 1.4 mile SCE powerline right-of-way from corner of Bobcat Rd. & Turtle Dove Ln. to just west of KOA camp at corner of Hwy 243 and Wesley St. 713 Comment
  IRVC169  Polystichum imbricans subsp. curtum Bruce Reynolds 1965-4-24 HS 557 Riverside Route 74; 1/4 mile S of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  UCR146198  Polystichum imbricans subsp. curtum Gordon Marsh 1978-10-31 s.n. Riverside Santa Ana Mtns., Bear Spring 1209 Comment
  CAS-BOT-BC102601  Populus fremontii Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca 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
  RSA695703  Porophyllum gracile Stephen Bruff 1934-3-28 s.n Riverside Lakeview. Comment
  UCR102718  Porophyllum gracile B. G. Pitzer 1998-1-24 3404 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR269203  Porophyllum gracile Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 998 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in wash 423 Comment
  CAS-BOT-BC452154  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mountains. Shores of Lake Surprise 2499 Comment
  UC432  Potamogeton foliosus A. J. McClatchie 1892-6-5 41 Riverside near Elsinore; Salt Lake Comment
  RSA608838  Potamogeton pusillus L. C. Wheeler 1961-6-24 7911 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UCR89888  Prenanthella exigua A. C. Sanders, E. J. Lawlor 1992-4-4 12141 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC206975  Prosopis glandulosa var. torreyana James Henrickson 1963-3-29 1208 Riverside 12 miles est of Mecca, along Hwy. 195 304 Comment
  CAS-BOT-BC206976  Prosopis glandulosa var. torreyana Geo. B. Grant 1906-5-1 1043 -6721 Riverside Colorado Desert at Palm Srpings Comment
  RSA652724  Prosopis glandulosa var. torreyana N. D. Hogg 1969-5-3 s.n. Riverside 1/2 mile south of Coachella, on Hwy 111. Desert floor of Coachella Valley Comment
  UC65003  Prosopis glandulosa var. torreyana E. E. Schellenger 1904-12-5 18 Riverside Paloverde; Colorado Desert Comment
  SEINET10837956  Prosopis glandulosa var. torreyana David B. Dunn 1948-6-18 Dunn 3804 Riverside To the W of quad 2. At camp in Pushawalla canyon under palms. Comment
  RSA699635  Prosopis juliflora var. glandulosa Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  JEPS65604  Prosopis pubescens Marjorie D. Clary 1936-9-27 Riverside Colorado Desert, Coachella Coachella; Colorado Desert, Coachella Comment
  UC68617  Prosopis pubescens H. M. Hall Apr 1905 5988 Riverside near Indio; Colorado Desert 30 Comment
  RSA721886  Prunus fasciculata J. Mark Porter, Orlando Mistretta 2003-6-5 13618 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
  CAS-BOT-BC151119  Prunus fremontii Paul F. Covel 1938-4-21 1192 Riverside East Slope, Palms-Pines Hgwy. Comment
  CAS-BOT-BC151113  Prunus fremontii H. E. McMinn 1925-7-1 1516 Riverside Palm Spring Canyon Comment
  SDSU9179  Prunus ilicifolia subsp. ilicifolia Samuel R. Frank 1962-5-23 Riverside Lower San Jacinto Mtns. Comment
  CAS-BOT-BC151206  Prunus virginiana var. demissa E. K. Balls 1949-5-4 13486 Riverside On road from Idyllwild to Banning, San Jacinto Mts. 1371 Comment
  UCR140659  Prunus virginiana var. demissa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 88 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  CAS-BOT-BC356334  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  HSC66537  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  POM10053  Pseudognaphalium biolettii Charlotte M. Wilder 1903-4-19 23 Riverside Wilder Canyon, W Riverside County Comment
  SD185157  Pseudognaphalium californicum T. B. Salvato, John F. Green 2004-5-27 708 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA0124289  Pseudognaphalium canescens Duncan S. Bell 2016-4-16 9330 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR281562  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 83 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  OBI16414  Pseudognaphalium microcephalum Tracey & Viola Call, Viola Call 1962-4-13 2130 Riverside Tin Mine Cyn near Corona Comment
  UCR178347  Pseudotsuga macrocarpa Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1052 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA617801  Psilocarphus brevissimus R. E. Riefner 1998-9-11 98 -502 Riverside Chino Fault, Corona Comment
  UCR155087  Psilocarphus brevissimus A. C. Sanders, Kelly Volansky 2005-3-17 29232 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR111066  Psilocarphus tenellus var. globiferus D. E. Bramlet 1998-12-16 2600 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve 450 Comment
  SEINET2063861 Image available Psorothamnus arborescens B. Pitzer 1986-4-26 Riverside Whitewater Canyon, ca. 4.5 miles N of Interstate 10 on Whitewater Canyon Road, Whitewater 7.5' Quad. 731 Comment
  UCSB3040  Psorothamnus arborescens Long, Frances 1939-12-31 Riverside -5 Palm Springs, Calif. Comment
  JEPS41711  Psorothamnus arborescens var. simplicifolius W. L. Jepson and H. M. Hall 1901-5-22 1348 Riverside Palm Canyon and return to Van Deventers Comment
  CAS-BOT-BC353633  Psorothamnus emoryi D. E. Breedlove 1961-9-11 1257 Riverside 20 miles W of Blythe 106 Comment
  POM147641  Psorothamnus emoryi F. M. Reed 1927-3-20 5406 Riverside Salt Creek Wash. Comment
  POM8994  Psorothamnus emoryi Mary F. Spencer 1918-4-27 767 Riverside In desert sand, Palm Springs, Colorado Desert Comment
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Jul 24 2010
  RSA0106712  Psorothamnus emoryi Duncan S. Bell 2011-9-30 2945 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  CAS-BOT-BC352323  Psorothamnus fremontii var. fremontii Raymond Lindholm 1961-4-17 s.n. Riverside White Water Canyon Comment
  CAS-BOT-BC340925  Psorothamnus schottii Robert F. Thorne; R. Rutherford 1964-4-12 33655 Riverside About 1 mile W of Turnoff to Cottonwood Wells, along Hwy 60-70 Comment
  CDA27790  Psorothamnus schottii T. C. Fuller 1963-4-23 10287 Riverside Mecca-Blythe Road (Highway 195), 15.8 miles northeast of Mecca. 0 Comment
  UC61516  Psorothamnus schottii M. French Gilman 1902-1 21 Riverside Palm Springs Comment
  UCR124002  Psorothamnus schottii George K. Helmkamp, E. A. Helmkamp 2001-4-14 6463 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  UCR178024  Psorothamnus schottii John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  SEINET13373614 Image available Psorothamnus spinosus Victor Duran 1933-1 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  UCD34520  Psorothamnus spinosus Beecher Crampton 1985-5-8 9964 Riverside Riverside County, west of Blythe along hwy. 10. Comment
  UCSB33255  Psorothamnus spinosus Miller, Brian 1963-6-1 Riverside Powerline access road 4 mi. S of Curtis Palms 24 Comment
  CAS-BOT-BC72526  Pteridium aquilinum Grant 1901-7-1 4849 Riverside Strawberry Valley, SB Mts. Comment
  JOTR30998  Pterostegia drymarioides La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1304 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  RSA561074  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7326 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
  SD144439  Pterostegia drymarioides Andy C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19889 Riverside Lake Skinner Area, lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  UCR104927  Pterostegia drymarioides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20630 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR120186  Pterostegia drymarioides Mitch Provance 1998-3-7 169 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.7 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside 375 Comment
  UCR123819  Pterostegia drymarioides Steven R. Hill 2001-5-3 33672 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR155325  Pterostegia drymarioides A. C. Sanders, Mike Misenhelter 2005-3-23 29257 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR92165  Pterostegia drymarioides D. L. Banks, Steve Boyd 1995-5-3 0229 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
  RSA249100  Pulicaria hispanica O. F. Clarke 1972-9-17 s.n. Riverside Santa Ana river bottom. Adjacent river view drive Rubidoux 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
  UCR50000  Pulicaria paludosa Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  RSA667366  Punica granatum A. C. Sanders, Mark A. Elvin, Vipul Joshi 2002-4-26 25020 Riverside The Badlands: canyon above Eden Hot Springs. 549 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
  RSA775121  Purshia tridentata var. glandulosa Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5027 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
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May 22 2012
  SD260961  Quercus Mitch Provance 2012-9-5 912 17 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Spring Rd., about 100 yards south of intersection with Breckenridge Ave. 754 Comment
  RSA0031050  Quercus Robert F. Thorne, P. Everett 1966-10-18 41855 Riverside Santa Rosa Mountains Comment
  CAS-BOT-BC61818  Quercus agrifolia Peter Raven 1958-5-18 12982 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  CAS-BOT-BC61821  Quercus agrifolia B. Trowbridge 1979-4-13 6074 Riverside ca. 5 miles west of Temecula off Hwy. 71 457 Comment
  POM11527  Quercus agrifolia P. A. Munz 1922-7-3 5955 Riverside Vandeventer Flat. 1372 Comment
  SDSU6972  Quercus agrifolia var. agrifolia Ruth Miller, James C. Dice 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. T8S, R3W, section 22. 111 Comment
  RSA450473  Quercus agrifolia var. oxyadenia J. C. Roos 1965-9-26 s.n. Riverside San Janinto & Santa Rosa Mountains: hills near summit of Pines to Palms Highway. Comment
  UCR158906  Quercus berberidifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31546 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  UC496520  Quercus cornelius-mulleri Philip A. Munz 1932-10-16 12845 Riverside road from Deep Canyon to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  UC337431  Quercus dumosa J. C. Nevin Riverside Temecula Comment
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Mar 27 2011
  UCR217514  Quercus engelmannii Jeff B. Galvin 2009-7-16 96 Riverside Perris-Aguanga Basin, Drainage on north of Estelle Mtn running into Dawson Cyn 431 Comment
  UCR109965  Quercus ilex A. C. Sanders 1997-5-12 20711 Riverside Riverside, east side of UCR campus along wash below Botanical Garden, near parking lot 13 335 Comment
  UC667286  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-5-21 2210 Riverside n slope Eagle Mountains; Colorado Desert 1280 Comment
  UCD46614  Quercus kelloggii Maunsell Van Rensselaer 1937-6-23 Riverside Idyllwild Inn, San Jacinto Mountains, Riverside County, California. Comment
  RSA741573  Quercus palmeri Scott D. White, Justin M. Wood 2008-6-17 12166 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  SD185232  Quercus palmeri D. E. Bramlet, Fred M. Roberts 2004-4-13 3552 Riverside South Bernasconi Hills, 1.3 km south of Ramona Expressway and 1.4 km west of San Jacinto river. 515 Comment
  UCD63203  Quercus palmeri A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy. 74, 2.1 mi. E of Hwy. 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  SD229181  Quercus turbinella Dick Schwenkmeyer 2012-5-22 715 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  CAS-BOT-BC104994  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  UCR169493  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 592 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
  UCR209590  Quercus wislizeni Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. SW of the corner of Dailey Rd. and Sullivan Rd. 671 Comment
  POM212006  Quercus wislizeni var. frutescens Carl B. Wolf 1931-10-14 2453 Riverside Snow Creek, 100yds above the Fish Hatchery, north base of San Jacinto Mts. 610 Comment
  SDSU13980  Quercus wislizeni var. frutescens Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2107 Riverside Just south of wet meadow region. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCR201654  Ranunculus californicus Scott D. White, Justin M. Wood 2008-5-15 12006 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR65291  Ranunculus sceleratus Steve Boyd, T. S. Ross 1989-8-28 3807 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  SDSU14182  Raphanus sativus David Mabs 2002-4-20 17 Riverside Santa Margarita Ecological Reserve. About a hundred yards up river from where Tornado Road crosses. 228 Comment
  SEINET238736  Rhamnus crocea A. C. Sanders, Mitch Provance; T. B. Salvato 2000-6-1 23448 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR114807  Rhamnus crocea Mitch Provance 1998-2-17 53 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  RSA1791  Rhamnus ilicifolia Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  RSA772006  Rhamnus ilicifolia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4965 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
  RSA796514  Rhamnus ilicifolia Robert F. Thorne, E. W. Lathrop 1977-5-18 49724 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UC488989  Rhamnus ilicifolia C. V. Meyer Jun 1927 164 Riverside Saunder's Meadow San Jacinto Mts. 1737 Comment
  POM12894  Rhamnus tomentella subsp. tomentella P. A. Munz 1922-6-25 5817 Riverside Santa Rosa Mountains; Road to Santa Rosa. 1524 Comment
  RSA471020  Rhododendron occidentale George Willet 1931-6-24 s.n. Riverside San Jacinto Mountains. Comment
  UCSB26759  Rhododendron occidentale Wilken, Dieter 1969-6-30 Riverside Black Canyon, along County Road R1, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  UCSB4805  Rhododendron occidentale Kamb, Peter 1946-5-24 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  POM12748  Rhododendron occidentale var. californicum P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  SD224813  Rhus aromatica Scott D. White 1996-3-31 3870 Riverside Bundy Cyn:SE of Lake Elsinore. About .8 to 1.2 road miles E of Bundy Cyn Rd exit from I-15 freeway; USGS Lake Elsinore 7.5 topo map. 438 Comment
  RSA650223  Rhus ovata G. W. Mason 1949-1-23 s.n. Riverside Found in Batista Canyon 7-10 miles east of Hemet 518 Comment
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Apr 29 2011
  RSA776283  Rhus ovata Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 885 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  RSA783049  Rhus trilobata J. D. Olmsted 1959-8-18 806 Riverside By tennis courts at Desert Sun School near Idyllwild 1646 Comment
  RSA11581  Rhus trilobata var. anisophylla N. Dunn, A. M. Martin s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  JEPS49432  Ribes cereum W. L. Jepson 1901-5-25 1450 Riverside trail to Santa Rosa Peak Comment
  RSA343879  Ribes indecorum Robert F. Thorne, E. W. Lathrop, S. Meury, W. Wisura 1985-5-18 60669 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  SEINET13942523 Image available Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-1 23111 Riverside 10 miles N of Pala, along road to Elsinore Comment
  UCSB7025  Ribes malvaceum var. malvaceum Gill, Robert 1959-3-14 Riverside Santa Ana Mtn Range; Road to Black Star Canyon; Oak flat; from Corona site 365 Comment
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Nov 24 2014
  RSA162685  Ribes malvaceum var. viridifolium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  RSA441494  Ribes malvaceum var. viridifolium D. A. Young 1969-4-12 p 442 Riverside Hwy 74 on the way to Idlewild. 579 Comment
  CAS-BOT-BC186238  Ribes roezlii var. roezlii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UCR62862  Romneya coulteri Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  UCR91722  Rorippa nasturtium-aquaticum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18112 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  UCR130812  Rorippa palustris D. E. Bramlet 2002-5-2 3263 Riverside Perris-Aguanga Basin Region, Lake Skinner Filtration Plant, 579 m west of the Lake Skinner Dam and 366 m east of Washington St. 420 Comment
  SD229264  Rosa californica Dick Schwenkmeyer 2012-6-27 745 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  SEINET884347 Image available Rubiaceae G. L. Stebbins, L. T. Dempster 1966-1 4244 Riverside Black Mt. road, 0.9 mi above jct of road to Pine Wood, San Jacinto Mountains 1981 Comment
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Aug 25 2013
  RSA800237  Rudbeckia hirta var. pulcherrima Justin M. Wood 2010-6-17 2048 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  UCR248041  Rumex Kai T. Palenscar 2013-6-11 s.n. Riverside Peninsular Range, City of Lake Elsinore, 2 km southeast of the lake along channel 340 m north of Corydon Rd. on eastern bank 390 Comment
  UCR158322  Rumex crispus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30065 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC433585  Rumex hymenosepalus Scott D. White 1996-4-14 3910 Riverside Perris Basin, W Riverside Co. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 550 Comment
  CAS-BOT-BC433586  Rumex hymenosepalus A. C. Sanders; Pam MacKay; E. J. Lawlor; C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area: Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Dia Val. Reservoir, now filling. 488 Comment
  UCR136280  Rumex hymenosepalus A. C. Sanders, Guy Bruyea 2004-4-2 27438 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
  UCR260198  Rumex hymenosepalus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4658 Riverside Western Mojave Desert, around the confluence of the San Gorgonio and Whitewater River drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point 340 Comment
  RSA601678  Rumex obtusifolius Louis C. Wheeler 1933-8-5 2059 Riverside Millard's Canyon at foot of falls San Bernardino Mountains. 579 Comment
  SEINET238572  Rumex pulcher 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
  RSA788814  Rumex salicifolius Robert F. Thorne, Walter Wisura 1977-9-17 50776 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UC888146  Salazaria mexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs Comment
  RSA495407  Salix exigua Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2895 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  SEINET10965411  Salix exigua David B. Dunn 1946-2-22 Dunn 1946 Riverside Collected on the n side of whitewater colorado desert. Comment
  RSA0010969  Salix exigua var. exigua N. C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 305 Comment
  UC437342  Salix exigua var. hindsiana S. B. Parish 1918-4-3 11702 Riverside Oak Sedge; San Jacinto River Canyon 914 Comment
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Nov 20 2011
  UC846449  Salix exigua var. hindsiana P. A. Munz and I. M. Johnston 1922-5-7 5270 Riverside Keyes Ranch along small stream Keyes Ranch; Little San Bernardino Mts. 1066 Comment
  CAS-BOT-BC108107  Salix gooddingii Henry Pelouze De Forest 1932-1-1 s.n. Riverside Santa Ana River bed and banks, near Riverside Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  RSA772064  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4461 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
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR228874  Salix laevigata A. C. Sanders 2011-4-6 39016 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UC1135025  Salix lasiolepis A. Lewis 1934-2-1 4317 Riverside 2 1/2 mi ne Auburndale; Corona Quadrangle Comment
  UC5055  Salix lasiolepis W. H. Brewer 1861-1-3 154 Riverside in canyon near Hannigan's; Temescal Range Comment
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Jul 6 2010
  UCR182374  Salix lasiolepis Andrea Salzman, Ricky Escobar, et al 2006-4-10 48 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  CAS-BOT-BC128448  Salix lasiolepis var. lasiolepis Frank W. Peirson 1933-4-13 10646 Riverside Road from Deep Canyon to Idlewild at the Palm Creek crossing. 1356 Comment
  UC1178573  Salix lutea Peter Kamb 1949-5-8 1406 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  RSA192152  Salsola tragus E. W. Lathrop 1965-9-22 6023 Riverside 8 miles west of Murrieta; plateau of the Santa Ana Mts. 610 Comment
  RSA444943  Salsola tragus N. C. Cooper 1943-10-9 945 Riverside Hemet. 305 Comment
  RSA0094571  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: On first year burn on hills and slopes directly W of Hwy R3, (Sage Road) ca. 5.9 mi S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire station. 700 Comment
  JOTR29605  Saltugilia latimeri Andre, Jim 2006-4-26 6762 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA67070  Saltugilia splendens Verne Grant, Alva Grant 1951-7-22 16104 Riverside San Jacinto Mountains: Along road to Dark Canyon campsite, north of Idyllwild. 1829 Comment
  UC52475  Saltugilia splendens subsp. splendens H. M. Hall Aug 1896 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  UCR11221  Salvia X bernardina Dennis E. Kucera 1970-4-14 s.n. Riverside Peninsular Range; Moreno Valley, Residence of D.E. Kucera at 11681 Dalehurst Road, Sunnymead 625 Comment
  UCR12138  Salvia X bernardina O. F. Clarke 1972-3-13 s.n. Riverside University of California, Riverside. Botanic Garden 412 Comment
  SDSU13634  Salvia apiana W. Miller, C. Mosse 1972-7-20 Riverside R.C. Weather station. Comment
  UCR140707  Salvia apiana A. C. Sanders 2004-5-12 27864 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR94650  Salvia apiana Scott D. White 1996-5-27 4070 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  SEINET7970252  Salvia carduacea I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-1 4624 Riverside Perres, Gavilan Peak. 600 Comment
  RSA401479  Salvia columbariae D. A. Young 1969-3-21 P- 317 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  RSA80984  Salvia columbariae G. R. Campbell 1952-4-5 18370 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  SD187431  Salvia columbariae Scott D. White, Angelia Carey 2004-4-16 10164 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR20766  Salvia columbariae A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1315 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
  VVC292  Salvia columbariae P. J. MacKay 1975-4-26 s.n. Riverside Peninsular Range, Palm to Pines Hwy, Hwy 74 970 Comment
  CAS-BOT-BC221083  Salvia eremostachya Lester Rowntree 1937-5-28 s.n. Riverside Pines to Palms [Palms to Pines] Highway, San Jacinto Mts. Comment
  CAS-BOT-BC221089  Salvia eremostachya Philip A. Munz 1937-5-30 15109 Riverside Dos Palmos [Palmas] Spring, north end Santa Rosa Mts. 1097 Comment
  RSA0116964  Salvia eremostachya Anstruther Davidson 1903-5-1 s.n. Riverside Palm Springs. Comment
  RSA124980  Salvia eremostachya Peter H. Raven 1958-5-18 13001 Riverside 1.7 miles NE of Pinyon Flats, San Jacinto Mountains. Comment
  RSA356609  Salvia eremostachya Robert F. Thorne 1966-10-15 41814 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA446317  Salvia greatae E. C. Jaeger 1930-2-26 s.n. Riverside Salt Creek Wash, above Dos Palmos, Colorado Desert. Comment
  RSA449941  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside Salt Creek Wash, 3 miles N of Coachella Canal on E base of Orocopia Mtns. 305 Comment
  SDSU12263  Salvia mellifera Jeremy Mass, Ryan Jacobsen 2000-4-19 9 Riverside Comment
  RSA0094096  Salvia pachyphylla Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8722 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  UCLA49888  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mountains Comment
  UCR121092  Sambucus mexicana A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24974 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  SEINET13710211  Sarcodes sanguinea J. Adams, J. Adams (Botany) 1965-1 342 Riverside Azalea Canyon, Above Campground 6000 Ft 1829 Comment
  RSA583370  Schismus barbatus Steve Boyd, Darin Banks 1995-4-5 8428 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
  CAS-BOT-BC140674  Scirpus acutus A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UC483743  Scirpus americanus F. R. Fosberg 1932-3-13 8079 Riverside Coachella Valley , Coachella Valley (Thousand Palms Canyon) Comment
  UCR89807  Scirpus microcarpus Scott D. White 1993-5-27 1416 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UC64201  Scrophularia californica H. M. Hall 1897-3-14 3921 Riverside Winchester Comment
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Mar 20 2011
  UCSB46710  Scrophularia californica Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  RSA314663  Scrophularia californica subsp. floribunda Robert F. Thorne, F. R. Fosberg 1983-4-23 55485 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA425202  Scrophularia californica subsp. floribunda Ora M. Clark 1929-4-6 1936 Riverside Riverside. Comment
  CAS-BOT-BC341107  Scutellaria mexicana H. M. Hall 1905-4-1 5861 Riverside Colorado Desert. Near Canon [Canyon] Springs Comment
  SD232705  Scutellaria mexicana