Search Results — 2000 specimen records retrieved (1894 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD132531  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 3 Riverside Santa Rosa Mountains, north of Toro Peak at Virgin Spring Comment
  CSUSB1086  Abronia villosa K. A. Lamb 1968-4-29 690429 8 Riverside East side of San Jacinto River Wash on Main Street, San Jacinto, near Soboba Hot Springs Golf Course. Comment
  POM122577  Abronia villosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA462259  Abronia villosa A. N. Dunn, A. Martin 1932-3-26 s.n. Riverside Coachella Comment
  SBBG69829  Abronia villosa M. N. Ackley -Mar-1922 711 Riverside Murrieta Hot Springs 398 Comment
  SEINET7923626 Image available Abronia villosa H. F. Thut 1971-3-15 Riverside 6 miles east of Palm Sprirgs, Calif. Comment
  UCR116812  Abronia villosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23942 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA461189  Abronia villosa var. aurita Robert M. Perkins, R. M. P., H. deForest 1937-3-15 408 Riverside White Water Creek Comment
  RSA652385  Abronia villosa var. aurita Jim M. Morrow 1959-5-24 s.n. Riverside Edge of old Hwy 71, Temescal Canyon. Near Alber hill. 305 Comment
  SD185251  Abronia villosa var. aurita T. B. Salvato, Kent Beaman 2005-5-16 80 Riverside San Jacinto Mountain foothills: San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  UC7624  Abronia villosa var. aurita Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  SEINET7048020  Abronia villosa var. villosa Steven R. Hill, Kate Kramer 2001-4-27 33489 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  UCR123830  Abronia villosa var. villosa Steven R. Hill, K. Kramer 2001-4-27 33489 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  CLARK-A1528-456  Acacia farnesiana Charlotte Stocks 1962-5-15 Riverside Palm Desert Comment
  RSA414901  Acacia greggii var. arizonica Ora M. Clark 1929-3-17 1748 Riverside S. La Quinta. Comment
  SEINET2059725 Image available Acacia greggii var. greggii Penny Stead 1970-4-25 Riverside Box Canyon 304 Comment
  CAS-BOT-BC30905  Acamptopappus sphaerocephalus Frank W. Peirson 1927-4-11 7154 Riverside Colorado Desert, 0.5 mile below Whitewater Bridge Comment
  UC469096  Acamptopappus sphaerocephalus var. sphaerocephalus E. E. Schellenger 1911-4-25 Riverside Point of Rocks; Colorado Desert, Whitewater Comment
  POM116670  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  CAS-BOT-BC384724  Achyronychia cooperi Geo. B. Grant 1906-5-1 11 -6707 Riverside Collected on Colorado Desert at Palm Springs Comment
  UCSB23492  Achyronychia cooperi Keefe, Joseph 1967-1-2 Riverside Campground; Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  SBBG67985  Acmispon maritimus var. brevivexillus M. N. Ackley 1928-3-31 546 Riverside Hidden Spring 304 Comment
  SBBG101801  Acmispon strigosus S. Boyd, T. Ross, M. Hammitt 1991-5-2 6048 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR112408  Acourtia microcephala A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23457 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR262562  Acourtia microcephala T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3759 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  UCR71763  Acrachne racemosa L. F. LaPre, Megan Phillips 1991-9-9 91- 18 B Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
Read comments
Sep 10 2011
  HSC47596  Adenophyllum porophylloides Richard Spjut, C. E. Edson 1978-5-6 5031 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  JOTR31884  Adenophyllum porophylloides La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2136 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  RSA721885  Adenophyllum porophylloides J. Mark Porter, Orlando Mistretta 2003-6-5 13619 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
  UCR174035  Adenostoma fasciculatum A. C. Sanders 2006-5-19 32432 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
  RSA711116  Adenostoma fasciculatum var. fasciculatum M. Wall, Del Wiens, Clyde Calvin 2005-12-4 408 Riverside At highway maintenance dirt road jct. along Highway 243, ca. 2.5 miles N. of Mountain Center. 1524 Comment
  RSA162790  Adiantum aleuticum J. D. Olmsted 1959-7-16 760 Riverside San Jacinto Mts. 1/2 mi. below Carumba on Tahquitz Cr., 8 mi. east of Idyllwild (below dropoff) 2073 Comment
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Mar 21 2011
  UCR182099  Aegilops cylindrica Tom Chester 2005-6-4 631 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Coyote Trailhead, next to Hidden Valley Parking Lot on Tenaja Road just west of Clinton Keith Road 573.2 Comment
  UC1951124  Agoseris retrorsa Scott D. White, Justin Wood 2009-5-22 12892 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UCR44418  Agoseris retrorsa A. C. Sanders 1986-6-1 06562 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR281826  Agrostis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 107 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  RSA5903  Agrostis idahoensis C. B. Wolf 1932-8-5 3963 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  UCR27005  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  SEINET14046490  Agrostis pallens S. D. White, M. Honer, D. Hannon 2003-6-24 9586 Riverside Near Rainbow Valley; mountains W of I-15 freeway and immediately N of San Diego Co. border. 335 Comment
  POM126263  Aliciella latifolia Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver's Well, Colorado Desert. Comment
  RSA411802  Allenrolfea occidentalis H. de Forest 1924-4-14 s.n. Riverside Indio- Mecca flats Comment
  SEINET3105940  Allenrolfea occidentalis Faulkner 1978-3-21 343 Riverside 9 miles N of Blythe, Hwy 95 152 Comment
  CAS-BOT-BC434481  Allionia incarnata Carl B. Wolf 1932-4-28 3073 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. West of Blythe on the Mecca Road. 121 Comment
  CAS-BOT-BC434485  Allionia incarnata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9579 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA0108827  Allionia incarnata Duncan S. Bell, Amanda Turek 2009-3-30 173 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  RSA550335  Allionia incarnata Walter Wisura, John Dolan, M. Wall 1992-3-25 4653 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  RSA0000107  Allium haematochiton J. C. Marvin 1921-4-1 3408 Riverside Near Banning. Comment
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  SEINET8467180 Image available Allium haematochiton M. McLeod, Keil, D. 1979-1 K 12872 Riverside Alberthill jct along Hwy 71 366 Comment
  SD247270  Allium marvinii Jeff B. Galvin, Annie L. Bustamante 2009-5-1 88 Riverside San Jacinto Mountains: foothills, Potrero Canyon, State Department of Fish and Game Reserve, adjacent to San Jacinto Wildlife Preserve. Hilltop east of Gilman Springs Road, south of Reserve gate (Beaumont 7.5'Q) 726 Comment
  SBBG92807  Allium munzii S. Boyd 1986-4-22 1781 Riverside N of summit of Estelle Mtn, Gavilan Hills; T5S R5W NE1/4 NE 1/4 S5 841 Comment
  RSA495442  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2970 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR35295  Allium peninsulare L. B. Ziegler 1967-5-18 126 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  LA210332  Allophyllum glutinosum Harlan Lewis; E. McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  UCR158323  Allophyllum glutinosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30066 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
  UCR138611  Alnus rhombifolia D. L. Banks 1996-11-7 1189 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  UC7527  Amaranthus albus H. M. Hall 1901-8-1 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  POM48599  Amaranthus blitoides Mary F. Spencer 1919-7-9 1270 Riverside In sandy fields. San Jacinto. 305 Comment
  UC465930  Amaranthus blitoides E. E. Schellenger 1911-4-24 Riverside s of Palm Springs; Colorado Desert Comment
  UCR125287  Amaranthus blitoides A. C. Sanders 2002-11-21 25638 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  SD178083  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Hope Depot at Pigeon Pass Road on north side of Highway 60. 502 Comment
  UCR163738  Amaranthus fimbriatus B. G. Pitzer 2000-11-4 4238 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  RSA0094888  Ambrosia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41712 Riverside Temescal Valley near Glen Ivy, along Temescal Canyon Rd. at Campbell Ranch Rd. intersection. 323 Comment
  RSA416903  Ambrosia acanthicarpa H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
Read comments
Nov 2 2011
  CAS-BOT-BC22592  Ambrosia dumosa P. A. Munz; L. Street 1919-5-7 2733 Riverside Palm Springs 198 Comment
  POM4817  Ambrosia dumosa I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  UC31939  Ambrosia dumosa S. B. Parish Apr 4 1896-Apr 13 1896 4121 Riverside Palm Springs, (Agua Caliente); San Jacinto Mt. 152 Comment
  RSA550199  Ambrosia ilicifolia Walter Wisura, J. Romero, M. Husar 1992-4-23 4706 Riverside Low Desert: Corn Spring, N base of Chuckwalla Mts. Comment
  SD122972  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Northwest base of Redonda Mesa on Tenaja Road; 0.8 miles east of junction with 8S01 and 8S02. Comment
  UCR167839  Ambrosia psilostachya T. B. Salvato, Melissa Clemons 2005-6-23 1323 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  LA212171  Ambrosia salsola A. Lee Haines; 1973-3-24 s.n. Riverside Whitewater River Canyon. 426 Comment
  UC898008  Ambrosia salsola var. pentalepis I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
  SD216462  Ambrosia salsola var. salsola Carol R. Annable 1995-3-10 2263 Riverside 1.6 kilometers South of Lake Cahuilla County Park. Comment
  JEPS45139 Image available Amelanchier utahensis F. W. Peirson 1922-5-20 3057 Riverside Hemet Valley; San Jacinto Mts. 1371 Comment
  UCR277746  Ammannia coccinea Mitch Provance 2011-7-29 17035 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UCR110411  Ammannia robusta A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23176 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR113991  Ammannia robusta Mitch Provance, A. C. Sanders 2000-7-4 2103 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA0089628  Amsinckia intermedia Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6077 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA80004  Amsinckia intermedia F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  SD237357  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-4-1 38949 Riverside Peninsular Range: Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall / Collier Ave., above Temescal wash. 402 Comment
  SDSU18969  Amsinckia intermedia C. Matt Guilliams 2008-2-21 462 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UCD119702  Amsinckia intermedia R. L. Smith 1948-3-24 s.n. Riverside Foot of Murray Canyon. Comment
  UCR166162  Amsinckia intermedia John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA0089919  Amsinckia menziesii Justin M. Wood 2008-12-2 265 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  RSA0125286  Amsinckia tessellata Duncan S. Bell 2016-3-4 8791 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SEINET7248339 Image available Amsonia tomentosa Duncan S. Bell, Evan Meyer 2014-1 6527 Riverside Colorado Desert; Chocolate-Chuckwalla Mountain region: Chuckwalla Mountains; approx. 0.75 air mile southeast of Aztec Well. 703 Comment
  UCR111724  Anemone tuberosa L. C. Wheeler 1953-3-31 7042 Riverside Sonoran (Colorado) Desert, Riverside Mountains, near Mountaineer Mine 313 Comment
  RSA416701  Antennaria rosea Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  SEINET6809544  Antheropeas wallacei Unknown 1997-3-14 Riverside 22 air miles SE of Palm Springs; Palm Springs; 22 air miles SE of Comment
  RSA300463  Antirrhinum coulterianum Walter Wisura 1982-5-29 3825 Riverside Along Pacific Crest Trail, ca. 1.5 miles N from its junction with HWY 74 1463 Comment
Read comments
Oct 29 2008
  RSA516426  Antirrhinum coulterianum T. Hayduk 1990-5-2 4433 Riverside Ortera Hwy. at lower switchbacks above Lake Elsinor, in burned area Comment
  RSA0123683  Antirrhinum filipes Duncan S. Bell, LeRoy Gross 2016-3-9 8858 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  UCR233157A  Antirrhinum filipes Jim Andre, Glenn L. Clifton 2011-2-22 17455 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  CLARK-A1528-840  Antirrhinum nuttallianum Fred B. Essig 1967-5-7 Riverside Box Springs Mountains Comment
  UCR3339  Antirrhinum nuttallianum subsp. nuttallianum T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off S fork of road 762 Comment
  RSA613147  Aphanes occidentalis D. L. Banks 1997-3-29 1655 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  UCR116968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2001-5-3 24093 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA97396  Apiastrum angustifolium F. W. Peirson 1922-5-19 5430 Riverside 5 miles northeast of Murrieta. Comment
  CLARK-A1703-1243  Apium graveolens Robin L. Kobaly, Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  JEPS16039  Apium graveolens H. M. Hall May 17 1901-June 1, 1901 Riverside Riverside, Journey from Riverside to Santa Rosa Peak and Palomar, Southern California Riverside Comment
  SDSU12238  Apocynum cannabinum Shasta Gaughen, M. G. Simpson 2000-4-29 9 Riverside Comment
  UCR24915  Arabis glabra A. C. Sanders 1980-7-18 1675 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA66701  Arabis perennans F. W. Peirson 1919-4-13 660 Riverside Along the Tahquitz creek, East of Palm Springs, Riverside. Comment
  UCR26440  Arceuthobium campylopodum A. C. Sanders, J. A. Harpel 1981-8-26 2331 Riverside Santa Rosa Mtns., Virgin Spring 2348 Comment
  RSA629146  Arctostaphylos Jon E. Keeley 1992-7-17 16779 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629398  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19527 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA257633  Arctostaphylos glandulosa subsp. leucophylla Gary D. Wallace 1967-5-6 742 Riverside N. side of the San Jacinto Mtns. along the road between Idyllwild and Banning N of McMullen Flat. 1220 Comment
  RSA629415  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19532 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA631308  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16756 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA78198  Arctostaphylos glauca var. eremicola P. A. Munz 1953-5-31 18516 Riverside ridge between Juniper Flats and Stubby Springs, Joshua Tree Nat'l Mon. Comment
  RSA633580  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20118 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633594  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16691 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633597  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16704 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA635197  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16774 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  CAS-BOT-BC44333  Arctostaphylos pringlei subsp. drupacea H. M. Hall 1901-6-1 2092 Riverside San Jacinto Mts. 1524 Comment
  SBBG118569  Arctostaphylos pringlei subsp. drupacea L. Gross, F. Navidara, V. Soza 2003-6-23 1120 Riverside Black Mtn Rd (4501), SE of Black Mtn and NW of Fuller Mill Crk; T4S R2E S14 2012 Comment
  SD128326  Arctostaphylos pringlei subsp. drupacea R. Mitchel Beauchamp 1971-5-15 2418 Riverside San Jacinto Mtns., Black Mountain campground 1710 Comment
  RSA635805  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16551 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  LA105720  Arctostaphylos rainbowensis Steve Myers; 1987-9-15 sn Riverside Santa Rosa Plateau, intersection of Corona Calle Camino and Cerezo Rd., immediately S of Redonda Mesa Comment
  RSA575903  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon. Fisherman's Camp. 462 Comment
  RSA636016  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18801 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  CAS-BOT-BC137653  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  RSA385025  Aristida adscensionis L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River 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
  UCR139363  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Riverside Santa Ana Mtns. Region, Temescal Canyon 366 Comment
  UCR148307  Aristida adscensionis John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR2156  Aristida adscensionis F. M. Reed 1926-5-8 5324 Riverside Perris Basin, Rocky hill near Good Hope Mine Comment
  UCR2157  Aristida adscensionis F. M. Reed 1920-3-24 4216 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  UCR201498  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2008-6-17 12189 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA0027479  Aristida purpurea var. purpurea Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 60 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR19696  Aristida purpurea var. wrightii J. R. Holliday 1969-5-5 44 Riverside Peninsular Range; San Jacinto Mtns. Foothills, Hwy 79, 1.5 mi NW of Gilman Hot Springs, 200 yards north of the road junction 463 Comment
  UCR94945  Artemisia douglasiana Scott D. White 1996-9-22 4529 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  CAS-BOT-BC90576  Artemisia dracunculus Parish 1901-1 15951 Riverside Strawberry Valley Comment
  JOTR32834  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA588818  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 0771 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR106335  Artemisia ludoviciana subsp. albula John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  SEINET10455446  Asclepias David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2870 Riverside Pushawalla canyon, indio hills. On dry plateau; channel .5 mi. Nw. Comment
  JOTR35054  Asclepias albicans La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3506 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
  SEINET12532072 Image available Asclepias albicans T. C. Aramqula 1966-1 122 Riverside Base of Santo Rosa mountains on Palms to Pines HWY, 5 mi. South of Palm Desert Comment
  RSA496476  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3095 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA6040  Asclepias eriocarpa C. B. Wolf 1932-8-4 3924 Riverside Strawberry Valley, 1.5 miles from Idyllwild on road to Banning 1707 Comment
  RSA645934  Asclepias eriocarpa Scott D. White 1999-6-8 7455 Riverside Corona, near Bedford Canyon: foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. 335 Comment
  POM123014  Asclepias subulata Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  RSA0061163  Asphodelus fistulosus Robt. Allen 2009-4-3 s.n. Riverside Santa Ana Mountains region: Near community of El Cariso. Along South Main Divide Road, 515 air meters(0.32 air miles) southeast of junction with Ortega Hwy (SR74). 843 Comment
  POM17510  Aspidotis californica Philip A. Munz 1923-6-18 7129 Riverside Temecula Canyon Comment
  JOTR34067  Astragalus acutirostris La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2964 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA800104  Astragalus aridus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4767 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  UC1546948  Astragalus aridus Leila M. Shultz, John S. Shultz 1985-4-15 8243 Riverside along Wiley's well road Chuckawalla Valley depression (Chuckawalla Valley depression) 121 Comment
  JOTR01057  Astragalus coccineus Cole, James E. 1941-4-15 601 Riverside Joshua Tree National Park. .05 MILES ABOVE PINON WELL Comment
  POM10343  Astragalus didymocarpus H. M. Hall 1897-3-13 241 Riverside Elsinore Lake Comment
  RSA90159  Astragalus didymocarpus var. dispermus F. W. Peirson 1918-03 579 Riverside Coachella Valley, field near Indio. Comment
  POM19604  Astragalus douglasii var. parishii Mary F. Spencer 1923-6-29 2194 Riverside Idyllwild 1646 Comment
  UC862990  Astragalus douglasii var. parishii Carl B. Wolf 1932-8-4 3923 Riverside on road to Banning 1 1/2 mi from Idyllwild (Strawberry Valley, San Jacinto Mts.); San Jacinto Mts., Strawberry Valley, 1 1/2 mi fr Idyllwild 1706 Comment
  RSA674713  Astragalus gambelianus Scott D. White 2000-5-1 7746 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SEINET7073296  Astragalus lentiginosus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  CAS-BOT-BC187120  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-5-1 77 a-6747 Riverside Colorado Desert at Palm Springs Comment
  RSA298236  Astragalus lentiginosus var. coachellae T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  RSA651405  Astragalus lentiginosus var. coachellae Marion P. Harthill 1973-2-17 1555 Riverside Snow Creek, Palm Springs 366 Comment
  UC397239  Astragalus lentiginosus var. coachellae Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside Whitewater Colorado Desert, Whitewater (Colorado Desert, in sand around station) Comment
  CAS-BOT-BC187487  Astragalus leucolobus Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  POM229012  Astragalus palmeri P. A. Munz 1937-5-30 15128 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  POM47792  Astragalus palmeri Mary F. Spencer 1918-3-4 743 Riverside Palm Springs. 137 Comment
  UC863204  Astragalus palmeri P. A. Munz 1922-4-29 5114 Riverside Aguanga Comment
  RSA0025522  Astragalus palmeri John F. Emmel 1986-4-12 997 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  RSA228804  Astragalus pomonensis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 605 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  UC863012  Astragalus pomonensis C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  UCR111970  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 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
  RSA90739  Astragalus pomonensis F. W. Peirson 1920-6-22 7696 Riverside Dripping Springs, Temecula River 457 Comment
  CAS-BOT-BC17417  Athysanus pusillus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4041 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along highway 79, east of USFWS Dripping Springs Guard Station. 609 Comment
  CAS-BOT-BC98823  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside Dry rocky hillside, 5 miles n. of Milpitas Wash and 12 mi. n.w. of Blythe-Glamis Road Comment
  JOTR35078  Atrichoseris platyphylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3529 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  POM254744  Atrichoseris platyphylla Philip A. Munz 1940-3-24 15696 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  UC566697  Atrichoseris platyphylla Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR159815  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  RSA357127  Atriplex argentea subsp. expansa R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37608 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  PASA1844  Atriplex canescens R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  POM13710  Atriplex canescens P. A. Munz 1922-4-30 5125 Riverside Hemet Butte. Comment
  RSA713995  Atriplex canescens A. C. Sanders 2005-2-26 29128 Riverside Sonoran (Colorado) Desert: SE of Hwy 117 towards dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UC538043  Atriplex canescens W. M. Ingram October 1934 Riverside Edom Comment
  JEPS59593  Atriplex canescens subsp. linearis Marjorie D. Clary 1932-10-2 1569 Riverside Point Happy 6 mi w Indio (along edges Whitewater Wash, Colorado Desert); Colorado Desert, Point Happy, w of Indio 30 Comment
  RSA5451  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  SBBG122779  Atriplex coronata var. notatior A. Parikh 1990-6-14 177 Riverside N of Diamond Valley Lake, 0.4 km S of Hwy 74 (W Florida Ave), 0.7 km W of Warren Rdster Rd 457 Comment
  UCR103491  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2438 Riverside San Jacinto Valley, Mystic Lake Duck Club, on berms & on the SW duck ponds within the club,1.71 km east of Davis Road and 46 m south of the access road, 640m north of the San Jacinto River Channel 436 Comment
  UCR252811  Atriplex coronata var. notatior Karyn L. Drennen 2014-5-13 028 Riverside Perris Aguanga Basin, Perris, east of Hwy 215, 0.7 km north of San Jacinto Ave., east of Dunlap Dr. 432 Comment
  CDA23259  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 -350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Road and Temescal Wash; south ca. 1.5 miles of Blue Diamond Quarry. Comment
  JOTR28751  Atriplex elegans var. fasciculata La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1032 Riverside Joshua Tree National Park. East flanks of Coxcomb Mountains, along JTNP boundary; 13 miles N of Desert Center. along Route 177 329 Comment
  RSA486455  Atriplex lentiformis subsp. breweri Richard Noyes, L. Arnseth 1988-10-30 761 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  UC500782  Atriplex polycarpa Aven Nelson 1930-3-1 11151 a Riverside Indio Comment
  UC55965  Atriplex serenana var. serenana H. M. Hall April, 1902 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  UCR91951  Atriplex suberecta George K. Helmkamp 1996-1-23 999 Riverside Colorado River Valley, 1.5 mi. NE of Blythe, at c. Intake Blvd and 10th Avenue. 82 Comment
  RSA774514  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4467 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 W116.64315 487 Comment
  RSA77226  Ayenia compacta F. W. Peirson 1922-4-9 9600 Riverside Andreas Canyon, Palm Springs region 457 Comment
  RSA0019013  Baccharis brachyphylla Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6037 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  UC774847  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11437 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  RSA180393  Baccharis emoryi E. W. Lathrop 1965-10-24 6019 Riverside 5 miles W of Murrieta 610 Comment
  RSA652566  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. of Elsinore Comment
  SEINET2045176 Image available Baccharis emoryi A. C. Sanders, S. White & C. L. Sanders 1994-10-9 15819 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell: T2S, R3ESE4 S27SW4S26 549 Comment
  CDA23778  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509236 Riverside Temecula, 46062 Vista Del Mar, X Los Gatos. 0 Comment
  UCR199915  Baccharis pilularis Scott D. White, Justin Wood 2007-10-3 11761 Riverside Southern Santa Ana Mountains, Site of proposed 'Liberty Quarry'. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line 579 Comment
  RSA346264  Baccharis salicifolia R. F. Thorne 1980-4-16 54042 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  UCR94240  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UC164870  Baccharis salicifolia subsp. salicifolia S. B. Parish 1902-6-27 8127 Riverside Mecca Colorado Desert Comment
  UCD129467  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs. Comment
  SD152957  Baccharis salicina Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7663 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  IRVC514  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-5-31 SJ 100 Riverside Elks Rd., slope draw, open N, 30o, gneiss soil. Santa Rosa Mountains 1311 Comment
  CLARK-A1528-1641  Bahia dissecta John C. Roos 1946-8-27 2923 Riverside Santa Rosa Mountains 2285 Comment
  POM10252  Bahiopsis parishii Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  SFV11873  Bahiopsis parishii R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  JOTR01236  Baileya pauciradiata Cole, James E. 1941-4-13 571 Riverside Joshua Tree National Park. SOUTH OF DALE DRY LAKE Comment
  SBBG25795  Baileya pleniradiata E. R. Blakley 1966-4-9 6753 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  UC1931074  Barbarea orthoceras Scott D. White, Justin Wood 2008-7-9 12426 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  POM122202  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  POM8383  Bebbia juncea Mary F. Spencer 1920-3-22 775 Riverside Palm Springs 122 Comment
  RSA101110  Bebbia juncea David B. Dunn 1947-7-12 2962 Riverside Pushawalla Canyon, Indio Hills Comment
  UC1334660  Bebbia juncea var. aspera Nancy Ryan Zabriskie 1968-10-11 167 Riverside near Palm Springs (Andreas Canyon); Andreas Canyon Comment
  POM17943  Berberis dictyota P. A. Munz 1923-6-14 7114 Riverside Trail from Glen Ivy to Santiago Peak Comment
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Oct 22 2011
  RSA125251  Berberis haematocarpa E. K. Balls 1957-11-19 22822 Riverside Grown in Botanic Garden, alt. 1300 ft., from seed collected Aug. 20, 1957, by E. K. Balls & P. C. Everett, 6.6 mi. sw. along State Hwy 74 from Palm Village (jct. with State Hwy 111), Riverside Co. 396 Comment
  UC1563036  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-18 3001 Riverside below Vail Lake dam Temecula Creek Canyon; Vail Lake 457 Comment
  LA204860  Bernardia incana Carl Epling; May 1938 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  RSA619551  Bloomeria crocea Darin L. Banks 1997-5-5 1999 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  CAS-BOT-BC16093  Boechera californica Michael Wall; Lorrae Fuentes 1995-4-13 102 Riverside Santa Rosa Mountains, along Highway 74, 14.8 miles southeast of Highway 243 junction in Mountain Center. Comment
  RSA482666  Boechera californica N. R. Zabriskie, W. M. Zabriskie 1970-5-3 296 Riverside Service road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. Comment
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Feb 16 2013
  CAS-BOT-BC14160  Boechera perennans C. L. Hitchcock 1940-4-1 5918 Riverside Cottonwood Spring wash. Comment
  JOTR33134  Boechera perennans Supernaugh, William 1967-2-26 s.n. Riverside Joshua Tree National Park. Northwest Hexie Mountains; 100 yards west of Stirrup Tank parking lot 1085 Comment
  LA204239  Boechera pulchra H. Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  UC454082  Boerhavia coccinea I. J. Condit 1910-6-24 Riverside San Jacinto Canyon Comment
  UCR17654  Boerhavia coulteri Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  CLARK-A1528-965  Boerhavia erecta var. intermedia Charlotte Stocks 1966-8-24 Riverside 853 Comment
  RSA0076344  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40403 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  UCR215582  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  SD262318  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5606 Riverside Colorado Desert Region, Chuckwall valley, ca. 5 km east of Eagle Mountain Mine, Victory Pass 7.5'Q 284 Comment
  RSA780242  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-12 99 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  RSA793459  Boerhavia wrightii Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4375 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UCR211503  Boerhavia wrightii Jim Andre, T. La Doux 2008-9-13 10275 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  UCR248093  Boerhavia wrightii Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4375 Riverside Sonoran (Colorado) Desert, Mecca Hills, upper branch of Hidden Spring Canyon, c. 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  SD255030  Bolboschoenus maritimus subsp. paludosus Duncan S. Bell 2015-8-12 8594 Riverside Colorado Deesrt; Chocolate-Chuckwalla Mountains region: Orocopia Mountains; southwestern section of the range; collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  UCR89882  Bolboschoenus maritimus subsp. paludosus J. M. Stewart 1991-5-15 789 Riverside Sonoran (Colorado) Desert, Coachella Valley, Dos Palmas Oasis [Rancho Dos Palmas, Nature Conservancy preserve headquarters], North Shore -37 Comment
  RSA552689  Bothriochloa barbinodis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6697 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-BC145584  Bouteloua aristidoides Ira L. Wiggins 1941-3-27 9677 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  JOTR30686  Bouteloua barbata var. barbata Andre, Jim, Tasha La Doux 2008-9-13 10271 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  RSA0026138  Bouteloua barbata var. barbata Deidre Conocchioli, Caitlin Elam 2013-10-1 74 Riverside East of Little Chuckwalla Mtns. From Blythe, CA. Take I-10 W for 17.8 miles, take the Wiley's Well Rd exit., Turn left (S) on Wiley's Well Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion of the road for 4.5 miles. Collection site on right (E) side of road. 177 Comment
  RSA740924  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  JOTR31887  Brandegea bigelovii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Rockhouse Canyon; steep-walled canyon and sandy wash along an old road Comment
  JOTR35011  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SBBG69427  Brandegea bigelovii M. N. Ackley 1928-3-31 120 Riverside Painted Cyn 243 Comment
  UC373179  Brandegea bigelovii Marcus E. Jones, A. M. 1906-4-20 Riverside Indio Comment
  UCR251647  Brandegea bigelovii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 760 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR42620  Brassica nigra B. G. Pitzer, Karen Kirtland 1986-5-6 0263 Riverside 1.5 miles SE of Murrieta along Murrieta Creek; bounded north by Fig St, on south by Elm St., on east by Adams ave, and on west by Jefferson ave. 317 Comment
  RSA0066318  Brassica nigra Steve Boyd, Dave Bramlet 1990-4-29 4496 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA775273  Brassica tournefortii Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2198 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  RSA799882  Brassica tournefortii D. M. Ray 2011-3-5 9 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UC2015553  Brassica tournefortii A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15997 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR104854  Brassica tournefortii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2723 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR230780  Brassica tournefortii A. C. Sanders, Nathan Moorhatch 2011-3-22 38778 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR41558  Brassica tournefortii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6014 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  JOTR01239  Brickellia arguta var. arguta Cole, James E. 1942-5-19 959 Riverside Joshua Tree National Park. RUBY LEE WASH 914 Comment
  JOTR34064  Brickellia atractyloides var. arguta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2962 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  JOTR30933  Brickellia californica La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1413 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  SD146037  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, et al. 1996-11-23 19650 Riverside San Bernardino Mountains; Whitewater Canyon, just below the fish hatchery. 648 Comment
  JEPS18786  Brickellia incana J. B. Feudge 1927-5-9 1609 Riverside Shaver's Well, Colorado Desert Colorado Desert, Shaver's Well Comment
  RSA745531  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 921 Riverside Santa Rosa Plateau Ecological Reserve; Via Volcano Road immediately west of the northernmost of two vernal pools 634 Comment
  UCR191204  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 927 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  UCR191207  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 928 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  UC3326  Brodiaea terrestris subsp. kernensis H. M. Hall June, 1901 2093 Riverside meadows in vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR43786  Brodiaea terrestris subsp. kernensis R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60643 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Mesa de Colorado 625 Comment
  SEINET3921441  Bromus arizonicus N. D. Atwood 1993-3-29 17735 Riverside Huntington Beach along Beach Blvd. ca. 1/2 mi. N of beach.; 0 Comment
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Jul 20 2015
  UCD34817  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside County, Riverside, jct. of Pennsylvania and Iowa aves.. Comment
  POM254898  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 3 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  UC1951127  Bromus carinatus Scott D. White, Justin Wood 2009-5-22 12896 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UC1022803  Bromus carinatus var. carinatus Philip A. Munz 1938-8-14 15356 Riverside Santa Rosa Peak, Virgin Spring Virgin Spring; Santa Rosa Peak, Virgin Spring 2286 Comment
  LA13769  Bromus carinatus var. marginatus F. M. Reed; 1908-7-11 2503 Riverside San Jacinto Mountains, trail to San Jacinto Peak 3078 Comment
  UCD59232  Bromus carinatus var. marginatus Peter Kamb 1948-7-3 1140 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  JOTR35183  Bromus catharticus var. catharticus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3279 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  UCR232031  Bromus diandrus John F. Green 2008-4-15 0408- 17 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
  UCR209337  Bromus grandis Fred M. Roberts, Robt. L. Allen 2008-6-23 7056 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  UCR2221  Bromus grandis F. M. Reed 1925-5-23 5034 Riverside Peninsular Range; Santa Ana Mtns., Horsethief Canyon, Temescal Mountains 976 Comment
  UCR101437  Bromus hordeaceus A. C. Sanders, G. Helmkamp 1997-3-15 20003 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR156288  Bromus hordeaceus T. B. Salvato, Kent Beaman 2005-5-16 830 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
  SEINET10520362  Bromus orcuttianus Harvey M. Hall 1899-7-15 Hall 1348 Riverside San Bernardino Mountains. Deep creek. 2134 Comment
  RSA600397  Bromus rubens V. W. Steinmann, D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  UCR138913  Bromus rubens Julie A. Greene 1993-4-3 1099 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of permanent pond 441 Comment
  RSA191396  Bromus rubens E. W. Lathrop, Robert F. Thorne 1967-9-26 6657 Riverside 6 miles NW of Murrieta. 610 Comment
  RSA0020664  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3599 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  JOTR35281  Bromus trinii Andre, Jim 2012-4-16 20982 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UC1023393  Bromus trinii John and Lucille Roos 1953-3-21 5909 Riverside s of Palm Springs (mouth of Andreas Canyon); Andreas Canyon 274 Comment
  JEPS9627  Bursera microphylla Marjorie Clary 1939-3-2 Riverside 17 mi sw Coachella; Santa Rosa Mountains, Martinez Canyon Comment
  RSA550273  Caesalpinia virgata Walter Wisura, John Dolan, Michael Wall 1992-3-24 4623 Riverside Lowdesert: 6.2 miles NE of Mecca on Box Canyon Road. Comment
  UCR164924  Calandrinia ambigua John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  CAS-BOT-BC224931  Calandrinia ciliata A. C. Sanders; Nathan Moorhatch 2011-3-22 38789 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  POM305822  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1072 Riverside Corona-Elsinore. Comment
  UCR232802  Calandrinia ciliata John F. Green 2008-4-16 0408- 43 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  RSA761866  Calocedrus decurrens Patrick Garrett, C. Martinez, N. Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC488542  Calochortus concolor E. K. Balls 1958-6-27 23296 Riverside Santa Ana Mts., 3.2 miles NW along Indian Truck Trail from Junction with Main Divide 853 Comment
  RSA773596  Calochortus plummerae Duncan S. Bell, Ryan Parker 2010-6-15 1308 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.9 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 740 Comment
  RSA586800  Calochortus splendens Darin L. Banks, Steve Boyd 1995-5-3 238 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR21917  Calochortus splendens Steve Boyd 1980-5-8 213 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA680832  Calycoseris parryi Scott D. White, Michael Honer 2003-4-30 9146 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA510055  Calycoseris wrightii B. Pitzer 1988-3-10 653 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA781806  Calycoseris wrightii Duncan S. Bell 2010-5-1 893 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
  UCR58337  Calyptocarpus vialis A. C. Sanders 1989-5-31 9492 Riverside Riverside, Botanic Garden of U. C. Riverside 396 Comment
  CLARK-A1045-237  Calyptridium monandrum George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  JOTR33962  Calyptridium monandrum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2848 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
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UCR103903  Calyptridium monandrum B. G. Pitzer 1997-4-11 3109 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR116626  Calyptridium monandrum A. C. Sanders 2001-3-20 23848 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
  UCR238215  Calyptridium monandrum Mark A. Elvin 2003-3-26 2369 Riverside Peninsular Range; San Jacinto Mountains, Anza Pass on Hwy 371 1220 Comment
  UC1537159  Calystegia macrostegia Gordon H. True Jr. 1935-3-1 42 Riverside Gavilan Hills 548 Comment
  UCR113902  Calystegia macrostegia subsp. arida Mitch Provance 1998-4-13 435 Riverside City of Riverside, Hillside area, near the corner of Adams and Central, along the NE periphery of the Riverside Airport. 244 Comment
  SJSU8764  Calystegia macrostegia subsp. intermedia G. E. Eberle 1962-12-27 77 Riverside upper end of Two Trees Rd, Riverside Comment
  UCR278863  Calystegia macrostegia subsp. intermedia Mitch Provance 2011-6-15 17102 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  RSA652944  Calystegia sepium subsp. limnophila Mitch Provance, S. D. Boyd 1999-9-14 1780 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 238 Comment
  RSA507460  Camissonia D. C. Hawks 1986-4-15 s.n. Riverside Whitewater River area, ca 1 mi. SW of Garnet, 1/2 mi. S. of Hwy I-10 and 1/2 mi. W of Indian Avenue., UTM grid cell NH-N5, E4 (Garnet). 213 Comment
  CAS-BOT-BC168227  Camissonia bistorta Abby Sirulnik 2000-4-13 06 Riverside Peninsular Ranges: Southwestern Riverside County Multispecies Reserve, ca. 3 mi NE of Skinner Reservoir 610 Comment
  RSA516878  Camissonia bistorta Steve Boyd 1986-3-1 1360 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  SEINET7073307  Camissonia bistorta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR250364  Camissonia bistorta A. C. Sanders 2014-4-9 40994 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  RSA799380  Camissonia boothii subsp. condensata Duncan S. Bell 2013-4-7 4756 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  RSA784971  Camissonia brevipes Duncan S. Bell 2012-3-18 3214 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA504968  Camissonia brevipes subsp. brevipes D. Charlton 1988-2-18 1150 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  UCR50654  Camissonia brevipes subsp. brevipes B. A. Prigge 1988-2-21 7837 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  UCR121197  Camissonia californica D. E. Bramlet 1989-4-4 1788 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  JEPS31800  Camissonia campestris W. L. Jepson May 17 1901-Jun 1 1901 1251 Riverside San Jacinto Comment
  CLARK-A1528-3328  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountain Comment
  CLARK-A1528-3329  Camissonia claviformis John C. Roos 1966-3-20 Riverside Comment
  RSA145172  Camissonia claviformis subsp. aurantiaca William M. Klein 1958-2-11 38 Riverside Between Cathedral City and Palm Village (hwy. 111); alluvial fan at the mouth of Bradly [Bradley] Canyon. 97 Comment
  RSA448930  Camissonia claviformis subsp. aurantiaca M. B. Dunkle 1932-3-25 2897 Riverside Near Cathedral Canyon 152 Comment
  UCR196373  Camissonia claviformis subsp. claviformis Naomi Fraga, Lisa Rojas 2005-2-10 1352 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 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
  UCR44447  Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  UCR98303  Camissonia confusa Scott D. White 1993-5-29 1459 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR22125  Camissonia graciliflora Steve Boyd 1980-5-17 288 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  SEINET7040182  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  UCR260566  Camissonia hirtella T. B. Salvato 2014-5-29 8036 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA186708  Camissonia intermedia Peter H. Raven 1962-4-22 17382 Riverside Along State Highway 71, 3.3 miles west of Dripping Springs Campground 457 Comment
  UCR96811  Camissonia intermedia Scott D. White 1993-3-12 1184 Riverside Near Winchester 466 Comment
  RSA449246  Camissonia pallida subsp. pallida Ora M. Clark 1929-3-16 1726 Riverside N. of Whitewater. Comment
  HSC87252  Camissonia refracta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2160 Riverside Palen Pass at the N end of the Palen Mtns. 500 Comment
  RSA777628  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 765 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  POM204502  Camissonia strigulosa Hibbard 1934-11-1 s.n. Riverside San Jacinto Mts. Comment
  POM48923  Camissonia strigulosa P. A. Munz 1924-5-18 8146 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  RSA395908  Camissonia strigulosa Steve Boyd 1986-4-22 1774 Riverside Temescal Canyon: Horsethief Wash N of Temescal Cyn. Road. Comment
  RSA585788  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-9 416 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 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
  UCR169858  Camissonia strigulosa T. B. Salvato, John F. Green 2004-5-27 588 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
  SD8373  Capsella bursa-pastoris Daniel Cleveland 1882-5-5 Riverside Temecula Plains Comment
  UCR174555  Carex barbarae Jennifer H. Jones 2006-6-6 408 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  POM47443  Carex fracta Mary F. Spencer 1919-6-19 1198 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SEINET3219439 Image available Carex fracta M. G. McLeod 1971-6-22 470 Riverside Idyllwild Comment
  POM49093  Carex heteroneura Phillip A. Munz, I. M. Johnston 1924-7-27 8770 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  SEINET10945977  Carex multicaulis V. Soza, Naomi S. Fraga; S. Swartzentruber 2003-6-25 Soza 1699 Riverside Peninsular Ranges; San Jacinto Mountains region: Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UCR201502  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12281 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  CAS-BOT-BC117863  Carex sartwelliana Frederick Morris Reed 1908-7-14 2472 Riverside San Jacinto Mountains. 1767 Comment
  RSA769172  Carex sartwelliana P. F. Zika, Nick Otting 2010-8-6 25299 Riverside North Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest, San Jacinto Mountains 1910 Comment
  RSA801941  Carex sartwelliana LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6171 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
  SEINET3386517 Image available Carrichtera annua Fred M. Roberts 2007-1 6512 Riverside Southern Coast: Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real c. 2 Km south of Palomar Airport Rd. 52 Comment
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Nov 20 2014
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UC454834  Castilleja applegatei subsp. martinii I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 2743 Comment
  RSA730596  Castilleja densiflora Robert F. Thorne, Walter Wisura 1978-5-21 51975 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UC886552  Castilleja exserta P. A. Munz and I. M. Johnston 1922-5-19 5444 Riverside 2 mi below Kenworthy; San Jacinto Mts. 1402 Comment
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Mar 25 2011
  UCR281280  Castilleja exserta Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 20 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA0010928  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-25 1000 Riverside Cabazon. 457 Comment
  POM280739  Castilleja foliolosa Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA0010952  Castilleja miniata subsp. miniata Mary F. Spencer 1923-7-8 2234 Riverside Saunders Meadows. pr. Idyllwild, San Jacinto Mt. 1829 Comment
  CLARK-A1528-317  Catalpa speciosa Oscar F. Clarke 1968-5-21 Riverside Hemet Comment
  UCR22079  Caucalis microcarpa Steve Boyd 1980-5-3 193 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  JEPS26994  Caulanthus hallii W. L. Jepson 1914-5-18 6002 Riverside n Indio (Pinon Well); Colorado Desert, , n of Indio 762 Comment
  CAS-BOT-BC41104  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3978 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFS Dripping Springs Guard Station. 609 Comment
  RSA561811  Caulanthus heterophyllus Steve Boyd 1992-4-14 6833 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  SDSU18384  Caulanthus heterophyllus C. Matt Guilliams 2008-2-21 467 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR95442  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. E. Bramlet 1996-4-19 8630 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at Southwestern edge of Mystic Lake, in the San Jacinto River Floodplain, north of 'Marsh A 433 Comment
  JEPS29489  Caulanthus simulans Lauramay T. Dempster 1962-4-18 1901 Riverside Palms-to-Palms Highway Pinyon Flats (Pinyon Flats) 1066 Comment
  UCR17935A  Caulanthus simulans A. C. Sanders 1976-4-20 00224 A Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR44202  Caulanthus simulans A. C. Sanders 1986-6-1 6557 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA1511  Ceanothus crassifolius J. T. Howell 1929-2-13 1227 Riverside 2 miles so. of Alberhill. Comment
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Nov 9 2011
  RSA779956  Ceanothus crassifolius Dylan O. Burge 2007-3-20 799 -c Riverside Agua Tibia Area Cleveland National Forest .66 road miles (1.05 km) from Woodchuchk Road on an abandoned fire road accessed via Woodchuck parking 0.93 road miles (1.49 km) from Hwy 79 site is 12.7 km 274 degrees (True) WNW of Aguanga 660 Comment
  UCR4090  Ceanothus crassifolius Carole Sims 1965-3-14 s.n. Riverside Peninsular Range, c. 4 miles east from Temecula near Vail Ranch 366 Comment
  SEINET3076063 Image available Ceanothus greggii J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1250 Comment
  UC79962  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore Comment
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Feb 2 2013
  UCR138754  Ceanothus leucodermis Scott D. White 1997-5-18 5183 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR160061  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCR59767  Ceanothus leucodermis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3082 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  RSA0019596  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1922-5-19 5401 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  RSA674954  Ceanothus oliganthus Scott D. White, Teresa Salvato 2001-6-8 8566 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  RSA0019591  Ceanothus palmeri J. D. Olmsted 1959-9-23 s.n. Riverside Flat on NW side of Idyllwild-Banning Rd. halfway up grade south of Dark Canyon Creek crossing. San Jacinto Mountains, North Fork San Jacino River drainage area. 1799 Comment
  SD80139  Ceanothus pauciflorus Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 370 Riverside North slope Santa Rosa Mountains, Deep Canyon south of Hwy 74, ca. 2 miles up water service road. below crossing. 1310 Comment
  UCSB3901  Ceanothus perplexans Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of raod 563 Comment
  SDSU13519  Ceanothus tomentosus W. Miller, C. Mosse 1972-8-9 Riverside Comment
  LA212136  Ceanothus tomentosus Fred Schumacher; 1935-3-28 s.n. Riverside 4 mi. N of Beaumont. Comment
  RSA552753  Ceanothus tomentosus var. olivaceus Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6739 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  CDA7292  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA735945  Centaurea repens Scott D. White, Justin M. Wood 2008-6-13 12102 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  UCR23674  Centaurea repens John C. Roos 1965-9-21 s.n. Riverside Riverside, Arlington area Comment
  RSA741180  Centaurium venustum Scott D. White, Justin M. Wood 2008-7-10 12459 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SD154107  Centromadia pungens subsp. laevis B. L. Jones 2003-5-29 Riverside Lake Elsinore area, just north of intersection of Corydon Road and Grand Road Comment
  SD187336  Centromadia pungens subsp. laevis R. E. Riefner Jr., K. Campbell 2007-5-19 07 209 Riverside Temecula, Western Bypass Rd. near Highway 79; end of Western Bypass Rd. at Murrieta Creek. 309 Comment
  UCR264616  Centromadia pungens subsp. laevis Mitch Provance 2011-6-6 17009 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  SEINET7063562  Centrostegia thurberi A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  RSA0011486  Cerastium fontanum subsp. vulgare Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4992 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA543837  Cerastium glomeratum Steve Boyd, Orlando Mistretta 1991-5-22 6288 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CSUSB1298  Cercidium floridum Daniel Sall 1970-5-5 Riverside 200 yards south of Riverside County boundary sign, 20 feet from 29 Palms Highway. Comment
  POM29669  Cercidium floridum Marcus E. Jones 1906-4-27 sn Riverside Indio. Comment
  RSA86985  Cercidium floridum F. W. Peirson 1921-4-13 sn Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  VVC203  Cercidium floridum Scott D. White 1995-5-11 3029 Riverside Southeast Mojave Desert, Cadiz Valley, S of Iron Mtns.; Hwy 62 +-3 road mi E of jct w/ SH 177 400 Comment
  UC1536043  Cercocarpus minutiflorus Robert F. Thorne 1973-5-23 45537 Riverside Santa Rosa Plateau, Mesa De Colorado Mesa De Colorado; Santa Rosa Plateau, Mesa De Colorado 609 Comment
  SEINET3077117 Image available Cercocarpus montanus var. glaber P. Leary 1975-5-11 1181 Riverside 0.5 miles north of Quail Mountain, Joshua Tree National Monument. 1494 Comment
  CAS-BOT-BC276380  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCR167261  Chaenactis carphoclinia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  POM351671  Chaenactis carphoclinia var. carphoclinia Anstruther Davidson 1903-5-3 2250 Riverside Thermal. Comment
  RSA124288  Chaenactis carphoclinia var. carphoclinia E. K. Balls, Percy C. Everett 1958-3-20 22938 Riverside south base of Eagle Mountains. US Highway 60/70. 365 Comment
  JEPS30922  Chaenactis fremontii P. Stockwell 1940-4-24 1504 Riverside 1 mi e of Cabazon Comment
  POM351696  Chaenactis fremontii B. C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
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May 12 2016
  UC61701  Chaenactis fremontii L. D. Copeland 1904-4-30 Riverside West Canon Palm Springs, West Canon Comment
  UCR242750  Chaenactis fremontii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall, Tracy Tennant. 2010-4-12 4448 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  UCR47217  Chaenactis glabriuscula B. G. Pitzer, L. F. LaPre 1987-3-2 0419 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCSB6428  Chaenactis glabriuscula Sager, Ginny 1960-5-1 Riverside San Jacinto Mtns between Banning and Idyllwild 1219 Comment
  SEINET7450233 Image available Chaenactis glabriuscula G. R. Hall 1905-1 8486 Riverside Riverside. Comment
  HSC78522  Chaenactis glabriuscula var. glabriuscula J. C. Roos 1966-4-29 Riverside Hills between March AFB and Lakeview Comment
  UC1537042  Chaenactis glabriuscula var. glabriuscula Gordon H. True Jr. 1935-5-15 112 Riverside Box Springs 34 Comment
  JEPS30566  Chaenactis glabriuscula var. lanosa Donald M. Kyhos 1957-6-18 57 -186 Riverside 11.5 mi s of Palms-to-Pines Highway (road to Aguanga); San Jacinto Mountains Comment
  UC1563113  Chaenactis stevioides Steve Boyd and Orlando Mistretta 1986-3-13 1426 Riverside ne of Desert Center (jtn of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UCR102946  Chaenactis stevioides George K. Helmkamp 1998-4-4 3135 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 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
  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
  JOTR29192  Chamaesyce micromera La Doux, Tasha 2005-9-8 1305 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  UCSB3600  Chamaesyce polycarpa Kamb, Peter 1948-4-11 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 30 Comment
  RSA433506A  Chamaesyce polycarpa var. polycarpa Ora M. Clark 1929-3-2 1593 Riverside Near Alberhill Comment
  POM49551  Chamaesyce serpillifolia subsp. hirtula P. A. Munz, I. M. Johnston 1924-7-29 8824 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCR89885  Cheilanthes clevelandii A. C. Sanders 1995-11-26 17912 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  POM281097  Cheilanthes covillei Lyman Benson 1946-4-15 12034 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  UC667375  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-4 2119 Riverside Barker Dam; Joshua Tree Nat'l Monument 1322 Comment
  UCR41226  Cheilanthes covillei N. M. Fellows, A. C. Sanders 1985-4-9 157 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA632461  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Gavilan Hills: Ca. 3 air miles SE of junction Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. 670 Comment
  CAS-BOT-BC70329  Cheilanthes parryi Munz; Street; Williams 1919-3-25 2325 Riverside Palm Canyon 243 Comment
  POM12203  Cheilanthes parryi P. A. Munz, D. Keck 1922-4-9 4798 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  RSA598052  Cheilanthes viscida S. B. Parish, W. F. Parish 2310 Riverside Whitewater (Desert side of San Bernardino Mts.) Comment
  UCR280934  Chenopodium album Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 04 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  RSA613314  Chenopodium album D. L. Banks 1997-3-1 1379 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
  UCR103221  Chenopodium berlandieri Scott D. White 1994-10-17 2464 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR111548  Chenopodium botrys Mitch Provance 1999-5-4 1700 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCD98094  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside 5 miles n.e. of Aguanga. Comment
  SEINET1908503  Chenopodium fremontii A. C. Sanders, Mitch Provance 2008-1 35780 Riverside Peninsular Range; San Jacinto Mtns.; FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  RSA747726  Chenopodium murale Scott D. White, Justin M. Wood 2009-3-24 12581 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
  UCR166724  Chenopodium murale Scott D. White, Jennifer H. Jones 2005-4-12 10862 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  RSA69269  Chimaphila menziesii F. W. Peirson 1924-7-27 4986 Riverside Dark Canyon, San Jacinto Mts. 1905 Comment
  UCR89114  Chloris truncata V. McAfee-Jacobs, B. R. Drake 1995-11-6 01 Riverside Peninsular Range, Temecula, Drake Enterprises vineyard at Buck Road and Berenda Road 463 Comment
  UCR2286  Chloris virgata F. M. Reed 1925-8-10 5136 Riverside Glen Avon, Granite Hill Ranch 183 Comment
  UCR163930  Chorizanthe brevicornu A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29143 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR167413  Chorizanthe brevicornu John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  CAS-BOT-BC191714  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-4-6 6595 E Riverside Mojave Desert. About 2 miles N of Indian Cave, Joshua Tree National Monument. About 5 miles W and S of the town of Twentynine Palms 822 Comment
  JOTR16806  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA392615  Chorizanthe brevicornu var. brevicornu Christopher Davidson 1973-4-1 1847 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  UCR30088  Chorizanthe brevicornu var. brevicornu George K. Helmkamp 1983-4-5 483 26 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA512166  Chorizanthe fimbriata Ed LaRue 1989-5-3 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  UCD169658  Chorizanthe fimbriata R. F. Thorne; E. W. Lanthrop, W. Wisura 1977-7-8 49557 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 880 Comment
  UCR217644  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 132 Riverside San Jacinto Mountains, Bautista Canyon, slopes on east side of creek, c. 1 km north of conservation camp 847 Comment
  RSA0098332  Chorizanthe parryi var. parryi Marc A. Baker 2015-4-15 18326 Riverside San Gorgonio Pass, 11 km east of Banning, 30 km NW of Palm Springs, 1.8 km north of Cabazon, 3.5 km east of the San Gorgonio River. 652 Comment
  CAS-BOT-BC257185  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1788 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  CAS-BOT-BC257186  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  UCR48478  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA559322  Chorizanthe procumbens Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7365 Riverside Southern Santa Ana Moutains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  RSA191736  Chorizanthe rigida Robert F. Thorne 1963-3-29 32419 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  JEPS57748  Chorizanthe staticoides Marjorie D. Clary 1932-7-4 996 Riverside 4 mi s Kenworthy (Burnt Valley); Burnt Valley 1432 Comment
  RSA797252  Chrysolepis sempervirens Robert F. Thorne, Walter Wisura 1977-9-17 50790 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  RSA779929  Chrysothamnus paniculatus Marc Baker, Michelle Cloud-Hughes 2011-10-13 17476 Riverside Cottonwood Mountains, Pinkham Canyon, 45 km ESE of Palm Springs, 26 km NW of Chiriaco Summit, 2.5 km south of the Snow Cloud Mine. 808 Comment
  POM48741  Chrysothamnus teretifolius D. D. Keck 1924-12-31 11 Riverside Pinyon Wells, Little San Bernardino Mts Comment
  JOTR35239  Chrysothamnus viscidiflorus subsp. viscidiflorus Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, below Eureka Peak Comment
  UC700972  Chylismia brevipes subsp. brevipes Aven and Ruth Nelson 1939-3-29 3329 Riverside near Hidden Springs Canyon Comment
  UC447175  Chylismia cardiophylla subsp. cardiophylla J. Ewan 1931-4-4 4154 Riverside summit e Shaver's Well 518 Comment
  CAS-BOT-BC160602  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1937-4-6 8425 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA0123363  Chylismia claviformis subsp. aurantiaca Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9041 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
  SD39494  Chylismia claviformis subsp. aurantiaca Edith A. Purer 1935-4-21 6482 Riverside Desert floor, near Palm Springs. Comment
  UC1184362  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11584 Riverside along US Hwy 60 24.7 mi e turn to Corm 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
  RSA618420  Cirsium occidentale var. californicum D. L. Banks 1997-5-5 1956 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  SEINET232562  Cirsium occidentale var. californicum K. Seydel, Sue Morrill 1987-5-23 27 Riverside San Jacinto Mountains; on Hwy 74 4.3 miles past Bee Canyon Road 2500 Comment
  UCR23305  Cirsium occidentale var. occidentale John C. Roos 1952-4-13 5523 Riverside Box Springs Mountains 488 Comment
  POM15054  Clarkia dudleyana Mary F. Spencer 1922-6-30 1704 Riverside Brook Camp, San Jacinto Mountains. Comment
  UCR80800  Clarkia dudleyana Scott D. White 1993-5-29 1453 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA674924  Clarkia epilobioides Scott D. White, Pam DeVries 2000-4-25 7729 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR167805  Clarkia purpurea T. B. Salvato, John F. Green 2004-5-27 575 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA1560  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1928-7-9 1073 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  UCR124325  Clarkia unguiculata C. J. Harker 1969-5-19 20 Riverside San Bernardino Valley/Peninsular Range, Riverside, Fairmont Park [probably North Hill, on south side of park -- ACS, '99] 244 Comment
  UCR213472  Clarkia unguiculata A. C. Sanders 2010-5-19 38417 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  UCR174072  Claytonia parviflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32586 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR194240  Claytonia parviflora Mitch Provance, Michael L. Fugate 2005-4-14 10052 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  RSA543834  Claytonia perfoliata Steve Boyd, Orlando Mistretta 1991-5-22 6291 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA192753  Clematis lasiantha J. D. Olmsted 1959-4-12 367 Riverside W Corona; Chase Drive, turn right to wash, 2-3 mi. up wash road in Santa Ana Mountains. 762 Comment
  RSA386222  Clematis lasiantha E. W. Lathrop 1971-3-21 7453 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  RSA650739  Cleome isomeris Frank S. Hewitt Jr. 1949-2-14 s.n. Riverside Found on western edge of Colorado Desert of Hwy 99 [ Hwy 10] near Whitewater. 609 Comment
  POM172085  Collinsia concolor V. Newsom 1930-4-26 s.n. Riverside Hills between Beaumont and Yucaipa, Riverside. Comment
  RSA0117405  Collinsia concolor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4825 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
  RSA0117437  Collinsia concolor Michael Wall 2003-4-26 302 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  RSA0117399  Collinsia concolor Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55457 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  CAS-BOT-BC126809  Colubrina californica A. C. Sanders; E. J. Lawlor 1992-4-4 12112 Riverside Within 1/2 mile of McCoy Spring 243 Comment
  JEPS13823  Colubrina californica Marjorie D. Clary 1935-11-17 2568 Riverside three mi e Mecca-Blythe Road; SE Colorado Desert, southeast slope of Eagle Mountains Comment
  SEINET12211155  Colubrina californica W. Knight, Knight, I.; Waynon, K.; Vale, J. 1983-1 5515 Riverside Eagle Mountains, on Power Line Road 381 Comment
  SEINET13203237 Image available Condalia globosa A. C. Sanders, Tim Thomas, T. B. Salvato 2012-1 40508 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustin 695 Comment
  POM13739  Corallorhiza maculata E. C. Jaeger 1921-7-6 1162 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  CLARK-A1528-4195  Cordylanthus filifolius John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  POM8240  Coreopsis californica P. A. Munz, R. D. Harwood 1920-3-20 3385 Riverside Temescal Canyon. 366 Comment
  CAS-BOT-BC101298  Corethrogyne filaginifolia W. R. O. 0001 Riverside Old Field S.W. San Jacinto Valley near base of Mt. Rudolph Comment
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Jul 24 2017
  CAS-BOT-BC101299  Corethrogyne filaginifolia D. E. Breedlove 1961-8-4 929 Riverside along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  SD229081  Corethrogyne filaginifolia Dick Schwenkmeyer 2012-8-7 795 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UC1211956  Corethrogyne filaginifolia Otto T. Solbrig 1958-8-18 2759 Riverside on Hwy 78 2 mi w Temecula (w side of stream on road bank) Comment
  UC895238  Corethrogyne filaginifolia Carl B. Wolf 1932-8-4 3919 Riverside near Idyllwild; San Jacinto Mts., Point View Comment
  RSA612698  Crassula aquatica D. L. Banks 1997-3-29 1600 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR110454  Crassula aquatica D. E. Bramlet 1998-4-22 2606 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  UCR116507  Crassula aquatica A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 744 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CAS-BOT-BC427778  Crassula connata John H. Thomas 1959-3-23 7573 B Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  CAS-BOT-BC427779  Crassula connata John H. Thomas 1957-3-29 6522 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  SEINET7073455  Crassula connata 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
  UC1536973  Crassula connata Gordon H. True Jr. 1935-2-27 26 Riverside Box Springs 365 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
  RSA678286  Crassula connata var. connata Michael Wall 2003-5-24 296 Riverside Northeast of Skinner Reservoir, Rawson Canyon, off Rawson Rd., 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  UC1929302  Cressa truxillensis Scott D. White, Justin Wood 2008-4-15 11875 Riverside Perris Valley; Interstate 215, between Nuevo Rd and Scott Rd. Comment
  UC23223  Cressa truxillensis A. J. McClatchie May 1892 54 Riverside near Elsinore Comment
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Jul 22 2010
  CLARK-A1528-4992  Crossosoma bigelovii John C. Roos 1948-4-24 3803 Riverside Whitewater 609 Comment
  UCR226303  Crossosoma bigelovii Jim Andre 2011-2-18 15824 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  LA204990  Croton californicus A. M. Johnson; 1933-4-28 4208 Riverside Indian Wells, 15 mi. below {S] Palm Springs Comment
  UCR117094  Croton californicus A. C. Sanders, T. B. Salvato 2001-5-16 24292 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR213541  Croton californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37826 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  RSA70554  Croton californicus var. mohavensis F. W. Peirson 1920-2-14 s.n. Riverside Whitewater Station, Colorado Desert Comment
  JOTR29432  Cryptantha angustifolia La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1366 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  SBBG81513  Cryptantha angustifolia S. A. Junak 1983-3-23 1616 a Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SEINET3083599 Image available Cryptantha angustifolia Bruce Freeman 1968-4-6 680406 -3 Riverside Campus U.C Riverside, about 40 yds. from gate to Botanical Gardens. 335 Comment
  UCR85434  Cryptantha angustifolia George K. Helmkamp 1994-4-26 88 6 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  RSA0106707  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-9 757 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  RSA777728  Cryptantha barbigera var. barbigera J. Andre, G. Clifton 2011-2-22 17437 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UCR137679  Cryptantha barbigera var. fergusoniae A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16133 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR165602  Cryptantha barbigera var. fergusoniae A. C. Sanders 2001-4-8 23983 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  LA204178  Cryptantha circumscissa var. circumscissa Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  SEINET3005006  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10435 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  SEINET3195135 Image available Cryptantha costata Andrew C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert; pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe (Roosevelt Mine 7.5 Q.) 134 Comment
  RSA0079092  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1451 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCSB12608  Cryptantha decipiens Dearing, Hugh; Dearing, Margaret 1942-3-5 Riverside Bajada wahes near Cathedral City Comment
  UCR41546  Cryptantha dumetorum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6087 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SEINET10455939  Cryptantha gracilis David B. Dunn 1946-3-16 Dunn 2067 Riverside On same sheet as Conrad 6639, UMO 110306. Collected on dry plateau 1/2 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  SD125582  Cryptantha holoptera Steven A. Junak 1983-3-23 1634 Riverside East side of Jefferson Road, across from entrance to Cahuilla Lake County Park, south of Indio Comment
  CLARK-A1045-147  Cryptantha intermedia George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  POM368285  Cryptantha intermedia H. de Forest 1933-4-16 17612 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  RSA703371  Cryptantha intermedia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1426 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA778140  Cryptantha intermedia J. Andre 2011-2-2 16213 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SD4198  Cryptantha intermedia Fidella G. Woodcock 1928-4-27 Riverside Base of San Jacinto Mountains near Hemet Comment
  UC551862  Cryptantha intermedia F. R. Fosberg 1932-5-9 10641 Riverside Sage 770 Comment
  UC857161  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa Gavilan 700 Comment
  UCR149859  Cryptantha intermedia Scott D. White, Michael Honer 2004-4-6 10039 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR155133  Cryptantha intermedia A. C. Sanders, Kelly Volansky 2005-3-17 29203 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
  UCR87614  Cryptantha intermedia A. C. Sanders 1994-5-30 14593 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SDSU21025  Cryptantha intermedia var. intermedia T. B. Salvato 2014-4-9 7843 Riverside Perris-Aguanga Basin: Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Conyon Road and Sunset Avenue (Romoland 7.5', +/- 1000m) Flat terrain; non-native grassland with remnant patches of coastal sage scrub including Rhamnus crocea, Rhus aromatica, Eriogonum fasciculatum foliolosum, Adenostoma fasciculatum, Sambucus nigra. Grassland of Avena barbata is disked. 536 Comment
  UCR147845  Cryptantha maritima Steve Boyd, Et al. 2004-5-14 11274 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
  UCR233178A  Cryptantha maritima Jim Andre, Glenn L. Clifton 2011-2-22 17430 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR42397  Cryptantha maritima J. M. Stewart 1986-1-20 86 5 Riverside Sonoran (Colorado) Desert, Divide between the Mecca Hills and the Orocopia Mtns. Comment
  RSA499654  Cryptantha micrantha var. lepida N. C. Cooper 1944-5-20 1249 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  UCR238085  Cryptantha micromeres Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2055 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  SD185170  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Gavilan Hills, south of Harford Springs County Park and Ida Leona Rd., 1.5 miles eastsoutheast of Gavilan Peak. 622 Comment
  UCR90387  Cryptantha microstachys Steve Boyd 1995-4-24 8474 A Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UCR98694  Cryptantha microstachys S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  SEINET3084450 Image available Cryptantha muricata Rose Gagnon 1968-5-14 680514 -5 Riverside North bank of Santa Ana River East of Salt Lake City bridge Comment
  UC662529  Cryptantha muricata Philip A. Munz 1937-5-30 15086 Riverside nw slope Santa Rosa Mts. 2133 Comment
  SDSU5395  Cryptantha muricata var. jonesii A. H. Gallup 1948-6-12 224 Riverside San Jacinto Road from town of San Jacinto. 823 Comment
  RSA0079424  Cryptantha muricata var. jonesii D. Charlton 1988-5-21 1949 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1676 Comment
  UCR102700  Cryptantha nevadensis B. G. Pitzer 1998-1-24 3383 .1 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  SEINET1004955  Cryptantha nevadensis var. rigida A. C. Sanders 1993-1 13754 Riverside Cajon Pass, 0.8 mi E of Cajon Junction on Hwy 138, Crowder Canyon. 1000 Comment
  UCR274798  Cryptantha pterocarya David Fraker, Aaron C. Sedgwick 2012-3-27 046 Riverside Central Mojave Desert, Copper City Road [c. 1 mi south of its junction with Coolgardie Road], Coolgardie Mesa 1189 Comment
  UCR52021  Cryptantha pterocarya var. cycloptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2182 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA0078923  Cryptantha pterocarya var. pterocarya J. Mark Porter 2001-4-2 12332 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA0079482  Cryptantha pterocarya var. pterocarya J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA0079328  Cryptantha pterocarya var. purpusii J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  UC857250  Cryptantha racemosa Lewis S. Rose 1938-12-22 38338 Riverside 12 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 457 Comment
  POM259688  Cryptantha utahensis P. A. Munz 1940-3-23 15718 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  UCR281883  Cuscuta Mitch Provance 2012-11-9 1112- 12 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
  RSA674613  Cuscuta californica Scott D. White 2000-8-5 8106 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  POM48532  Cuscuta salina P. A. Munz 1924-6-21 8202 Riverside On Cressa, alkaline dry flats, Lake Elsinore. 372 Comment
  UCR280611  Cuscuta salina Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 18 Riverside Elsinore Trough, South corner of Baker St. and Bromley Ave. 384 Comment
  POM201675  Cuscuta subinclusa L. M. Booth 828 Riverside Santa Ana River at Chino Creek, near Prado. Comment
  RSA0056192  Cylindropuntia californica Marc A. Baker 2013-5-25 17746 Riverside San Gorgonio Pass, 9.5km east of Banning, 1.2km NE of Cabazon. 570 Comment
  UCR117348  Cylindropuntia californica var. californica Mitch Provance 1998-3-22 282 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  SEINET5624462 Image available Cylindropuntia chuckwallensis Marc A. Baker, with Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17305 Riverside Chuckwalla Mountains, 62km WSW of Blythe, 1km west of Chuckwalla Spring 600 Comment
  SEINET3071826  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17508 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  RSA297076  Cymopterus panamintensis var. acutifolius John F. Emmel 1974-4-27 486 Riverside Canyon 0.4 air mile NE of peak 3263 on 1956 USGS topographic quad. N end Coxcomb Mts. 762 Comment
  SEINET3926489  Cynodon dactylon Faulkner 1978-3-21 348 Riverside 9 miles N of Blythe, Hwy 95, Saline flats.; 0 152 Comment
  UCR33713  Cynodon dactylon Faulkner 1978-3-21 348 Riverside Colorado River Valley, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR271689  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  SD146117  Cyperus erythrorhizos A. C. Sanders, D. Bramlet, et al 1999-10-15 23179 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles south east of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Springs (El Casco 7.5' Quadrant); gentle slope, fine clay on dried lake bed; common annual on lower shore zone. 131 Comment
  RSA500573  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3579 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR109738  Cyperus odoratus T. W. Fisher 1963-9-20 s.n. Riverside Riverside, Santa Ana River 213 Comment
  SEINET3228137  Cyperus rotundus G. Rink, K. Routson 2012-9-3 11660 Riverside Agricultural fields about 10 miles southwest of Blythe 70 Comment
  CAS-BOT-BC70571  Cystopteris fragilis Geo. B. Grant 1901-8-1 464 Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  SEINET10936825  Dalea emoryi Billy Joe Cox 1976-1-7 Cox 4226 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 70 Comment
  RSA778248  Dalea mollissima Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 934 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SEINET10389804  Dalea mollissima A. C. Sanders, Jim Malusa 2015-3-11 41391 Riverside Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 722 Comment
  SD232669  Datisca glomerata Scott D. White 1996-8-15 4465 Riverside San Jacinto Mts.; Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of aea burned in July 1996. 1524 Comment
  RSA0106890  Datura wrightii Daphne K. Christopher, Hannah Stevens 2003-4-4 94 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA504981  Datura wrightii D. Charlton 1988-2-25 1163 Riverside Box Canyon Wash between the Mecca Hills and Orocopia Mountains, 10 miles S of I-10 and N of Mecca and Salton Sea 305 Comment
  SEINET10898390  Datura wrightii David Charlton 1988-2-25 Charlton 1163 Riverside Box canyon wash between the Mecca Hills and Orocopia Mtns. 10 miles S of I-10 and N of Mecca and Salton Sea. 305 Comment
  RSA715071  Daucus pusillus A. C. Sanders, D. Malueg 2003-5-8 26578 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  UCR89859  Daucus pusillus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3324 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
  CAS-BOT-BC293820  Deinandra fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside 360 Comment
  UC1929933  Deinandra fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  RSA703225  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  CHSC100697  Deinandra paniculata R. E. Riefner Jr. 2007-6-16 07 -263 Riverside City of Hemet, Bautista Canyon, 2.8 mi E of Fairview Ave. on Bautista Rd. UTM 11S 0513785E 3728497N. NAD 83. 692 Comment
  RSA0126963  Deinandra paniculata R. E. Riefner 2017-5-17 17 -255 Riverside City of Lake Elsinore, W of I-15, N side of Nichols Road, about midway between Collier Ave. and Nichols Rd./Pierce St junction. 392 Comment
  UC69879  Deinandra paniculata C. M. Wilder 1905-7-25 127 Riverside Jurupa Hills Comment
  UCR261192  Deinandra paniculata A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41718 Riverside Esinore, large vacant lot NW of Hwy 74 and SW of the intersection of 74 and Collier Ave. 386 Comment
  RSA68780  Delphinium parishii F. W. Peirson 1928-4-24 7897 Riverside Cottonwood Springs, northern Colorado Desert Comment
  CAS-BOT-BC7976  Delphinium parishii subsp. parishii H. Lewis; C. Epling 1941-5-7 S.N. Riverside 3 miles N. of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  JOTR34169  Delphinium parishii subsp. parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 126 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UCSB1975  Delphinium parishii subsp. parishii Broder, Richard 1958-03 Riverside 1.5 miles up White Water Canyon from US 60-70 Comment
  UCR174443  Delphinium parryi A. C. Sanders 2006-5-19 32387 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
  RSA708180  Delphinium parryi subsp. parryi Scott D. White, Angelia Carey 2004-5-7 10324 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  CAS-BOT-BC82957  Dendromecon rigida Peter H. Raven 1958-5-17 12951 Riverside 7.4 miles southeast of Banning on road to Idyllwild, San Jacinto Mountains. Comment
  RSA433244  Dendromecon rigida subsp. rigida E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains 1524 Comment
  CAS-BOT-BC198167  Deschampsia danthonioides W. A. Silveus 1938-4-16 2644 Riverside Marsh flying field near Elsinore Comment
  POM369432  Descurainia pinnata P. A. Munz 1932-3-14 11989 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM369391  Descurainia pinnata subsp. glabra M. B. Dunkle 1937-3-25 4922 Riverside Colorado Desert. Shaver s Well Comment
Read comments
Dec 18 2011
  CLARK-A1528-353  Descurainia pinnata subsp. halictorum A. R. Gillogly 1966-3-10 Riverside Palm Springs 243 Comment
  RSA773188  Descurainia pinnata subsp. halictorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4899 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
  UC63394  Descurainia pinnata subsp. menziesii H. M. Hall 1904-5-16 4942 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  CLARK-A1528-682  Dicentra chrysantha Steven J. Southwell 1971-5-23 Riverside Santa Ana Mountains Comment
  UCR154826  Dichelostemma capitatum A. C. Sanders, Mike Misenhelter 2005-3-23 29275 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA523967  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4013 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA501035  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3156 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA501048  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3169 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR132488  Dicoria canescens Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  UC1007168  Dieteria canescens var. ziegleri Philip A. Munz 1938-8-13 15332 Riverside ridge near Santa Rosa Peak 2316 Comment
  SD186336  Diplacus aurantiacus Andy C. Sanders 2004-4-20 27534 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego County line 640 Comment
  RSA0016051  Diplacus brevipes P. A. Munz, I. M. Johnston 1922-5-20 5498 Riverside 2 mi. below Kenworthy, Thomas Valley. 1372 Comment
  OBI9551  Diplacus clevelandii H. E. McMinn 1946-8-25 5523 Riverside From potted plant grown from seed collected in Santa Ana Mts, western Riverside County in 1945 Comment
  SBBG14803  Diplacus clevelandii P. H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 mi S of Santiago Pk 1234 Comment
  RSA0016056  Diplacus fremontii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38096 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA0018424  Diplacus longiflorus var. calycinus N. C. Cooper 1944-6-16 1428 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  UCR121096  Distichlis spicata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24966 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR207623  Distichlis spicata O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UC110733 Image available Ditaxis californica H. M. Hall 1905-4-1 5796 Riverside 7 mi w Coachella; Marshall Canyon; 7 miles W of Coachella, Marshall Canon, Colorado Desert, Riverside Co. 30 Comment
  UC129372 Image available Ditaxis californica H. M. Hall Apr, 1905 5796 Riverside 7 mi. w. Coachella; Colorado Desert, Marshall Canyon 30 Comment
  UCR102949  Ditaxis californica George K. Helmkamp 1998-4-4 3181 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  GMDRC3549  Ditaxis lanceolata J. Andre, T. La Doux 2009-2-25 10806 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  RSA421750  Ditaxis neomexicana Robert L. Dressler 1952-4-19 1210 b Riverside Just south of Vidal Junction. Comment
  CAS-BOT-BC43639  Dithyrea californica Lewis S. Rose 1957-1-9 57022 Riverside La Quinta. 15 Comment
  UCR214292  Dithyrea californica A. C. Sanders, Richard Dwerlkotte 2010-3-22 37511 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  POM95311  Dithyrea californica Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  JEPS14662  Dodecatheon alpinum C. V. Meyer 1928-7-27 560 Riverside Round Valley San Jacinto Mts., Round Valley 2773 Comment
  UC489187  Dodecatheon alpinum C. V. Meyer 1928-7-27 560 Riverside Round Valley San Jacinto Mt., Round Valley 2773 Comment
  RSA461476  Dodecatheon alpinum subsp. majus M. B. Dunkle 1933-7-22 3754 Riverside Tahquitz Valley. 2317 Comment
  SEINET3088585 Image available Dodecatheon clevelandii Ed LaRue 1989-3-30 sn Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  POM12950  Downingia cuspidata I. M. Johnston 1922-5-19 5380 Riverside Menifee Valley. 412 Comment
Read comments
Oct 6 2009
  UCR23127  Draba corrugata J. C. Lyman 1981-5-28 s.n. Riverside San Jacinto Mtns., gully behind Tahquitz Peak Comment
  UCR25944  Draba cuneifolia John C. Roos 1947-3-15 3351 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  CAS-BOT-BC157798  Drymocallis lactea var. lactea Edmund C. Jaeger s.n. Riverside [Taequitz] Tahquitz, San Jacinto Mts. Comment
  CAS-BOT-BC70827  Dryopteris arguta Scott D. White; Mike Wilcox 1995-7-11 3468 Riverside Southwest of Main Divide Truck Trail, upper forks of Decker Canyon, USGS 7 1/2' Alberhill quad. 731 Comment
  RSA495424  Dryopteris arguta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2950 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA577525  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  RSA180422  Dudleya edulis E. W. Lathrop 1965-4-25 5698 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  UCR174380  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32628 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
  UCR21361  Dudleya lanceolata Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA590724  Dudleya multicaulis R. E. Riefner 1996-5-16 96 -72 Riverside East side of Temescal Wash, community of El Cerrito Comment
Read comments
Jul 13 2010
  UCR217647  Dudleya multicaulis Karyn L. Drennen, John Dvorak, Rose Cook 2010-4-29 06 Riverside Perris-Aguanga Basin, South of the west end of Lake Matthews, 2.13 km south of Cajalco/ La Sierra Ave intersection, 7 m north of dirt road, just west of where road crosses a convergence of drainages. 405 Comment
  UCR242720  Dysphania pumilio A. C. Sanders 2013-7-6 40841 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UCR41762  Dyssodia porophylloides A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6140 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  SEINET5497495 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17354 .4 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
  POM365267  Echinochloa crus-galli S. B. Parish 1913-9-20 8616 Riverside Mecca. Salton Sink. 58 Comment
  CLARK-A1528-1805  Eclipta alba John C. Roos 1951-9-22 5233 Riverside Riverside Comment
  RSA736759  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR145572  Eclipta prostrata Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  CAS-BOT-BC33441  Eleocharis disciformis Harvey Monroe Hall 1901-6-1 2013 Riverside San Jacinto Mts., Eastern base, along the borders of the Colorado Desert (Palm Canyon) Comment
  RSA665175  Eleocharis engelmannii R. E. Riefner 2001-12-16 1 -777 Riverside Menifee Valley; West of Newport Ave. and I-215. R.E. 447 Comment
  CAS-BOT-BC112921  Eleocharis macrostachya A. C. Sanders; K. C. Rose 1968-5-15 6875 Riverside Domenigone Valley: upper Warm Springs Creek between Hwy79 (Winchester Rd) and Scott Rd. 432 Comment
  RSA0024925  Eleusine coracana subsp. africana R. E. Riefner Jr. 2013-10-29 13 -225 Riverside La Sierra, along La Sierra Ave. at Sierra Tree Street. 243 Comment
  RSA570756  Elymus X gouldii Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8196 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  SD137954  Elymus condensatus Darin L. Banks 1995-10-17 786 Riverside Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, S of the Dripping Springs Campground, on broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR80797  Elymus glaucus Scott D. White 1993-5-29 1478 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  RSA599100  Elymus glaucus subsp. jepsonii V. W. Steinmann, D. L. Banks 1996-4-20 843 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UCR103785  Elymus triticoides Scott D. White 1994-10-21 2508 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  RSA559344  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-15 7398 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
  UCR22033  Emmenanthe penduliflora Steve Boyd 1980-5-11 237 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  SBBG101705  Emmenanthe penduliflora var. penduliflora S. Boyd with T. Ross, M. Hammitt 1991-5-2 6084 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  RSA502503  Encelia actoni Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3723 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  RSA575858  Encelia actoni Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  CLARK-A1528-1806  Encelia californica John C. Roos 1952-4-16 5557 Riverside Box Springs Mountains 396 Comment
  UC1118054  Encelia californica A. Lewis 1934-2-1 299 Riverside 3 mi n Auburndale; Corona Quadrangle 365 Comment
  CAS-BOT-BC172828  Encelia farinosa A. C. Sanders; T. B. Salvato 2006-6-2 33068 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CLARK-A1656-718  Encelia farinosa unknown 1981-3-14 Riverside Coachella Valley Comment
  RSA703482  Encelia farinosa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1435 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG55839  Encelia farinosa J. Caldwell 1970-3-24 18 Riverside Chino Cyn, ca. 2 mi up Tramway Rd off Hwy 111 457 Comment
  POM356680  Encelia farinosa var. farinosa H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  POM356694  Encelia farinosa var. farinosa E. Crow 1929-2-24 174 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  POM356697  Encelia farinosa var. farinosa A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  POM4935  Encelia farinosa var. farinosa L. T. Street, M. Durant 1918-5-12 s.n. Riverside Box Springs. Comment
  RSA171035  Encelia farinosa var. farinosa R. F. Thorne 1963-3-29 32434 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  RSA503401  Encelia farinosa var. farinosa J. D. Olmsted 1962-5-10 3605 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  RSA519246  Encelia farinosa var. farinosa Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA543309  Encelia farinosa var. farinosa Steve Boyd 1991-3-17 5487 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UC1979833  Encelia frutescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 981 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  SEINET10616296  Encelia frutescens David B. Dunn 1948-1-25 Dunn 3643 Riverside Found 1 mile southeast of Cabayon in the Bannings Pass between San Jacinto Mountains and the San Gorgonio Mountains. Comment
  LA6787  Ephedra aspera Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  NY70336  Ephedra aspera C. L. Hitchcock 1940-3-29 s.n. Riverside Cottonwood Canyon Comment
  POM14367  Ephedra aspera Philip A. Munz, D. Keck 1922-4-9 4789 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  LA31385  Ephedra californica Jane Turner; 1959-3-29 C 181 Riverside Morongo Wash Comment
  RSA650255  Ephedra californica Louis R. Klins 1949-2-6 s.n. Riverside Lazy B Ranch 10 mile[s] NE of Palm Springs California Comment
  SEINET7048065  Ephedra californica Steven R. Hill 2001-4-29 33542 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  SEINET5869097 Image available Ephedra californica C. E. Jones, N. Rojas 2001-1 JSR 2 Riverside Whitewater Canyon Rd, 0.7 mi N of jct with Whitewater Cut-off from Interstate Hwy 10, E side of rd, in wash below small substation. Comment
  SEINET3220794 Image available Ephedra fasciculata Norman C. Cooper 1949-4-8 3285 Riverside Shaver's Summit east of Indio. Comment
  JOTR34228  Ephedra nevadensis La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2012-5-12 3081 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  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
  UCR131021  Ephedra trifurca Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  RSA761223  Epilobium canescens Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 710 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR40150  Epilobium canum Steve Boyd 1985-8-7 1109 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  POM12651  Epilobium canum subsp. latifolium P. A. Munz 1922-9-6 6388 Riverside Along zizag below Hidden Lake, San Jacinto Mountains. 2348 Comment
  UCR202612  Epilobium ciliatum Scott D. White, Justin M. Wood 2008-7-9 12424 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCR94929  Epilobium ciliatum Scott D. White 1996-8-15 4464 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  RSA736659  Epilobium ciliatum subsp. ciliatum Justin M. Wood 2008-7-16 27 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Jul 31 2009
  UC64301  Epilobium ciliatum subsp. ciliatum H. M. Hall July 1901 2640 Riverside Johnston Ranch San Jacinto Mountains, vicinity of Strawberry Valley (along watercourses) 1600 Comment
  RSA740637  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-6-18 12213 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA740927  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-9 12427 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
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Sep 27 2009
  RSA80634  Epilobium densiflorum F. W. Peirson 1924-7-29 5033 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UC472831  Epilobium glaberrimum subsp. glaberrimum Mary Fiske Spencer 1919-7-1 Riverside Idyllwild San Jacinto Mt. 1584 Comment
  RSA80646  Epilobium pygmaeum F. W. Peirson 1922-5-19 4112 Riverside Menifee Valley, near Murrieta. 427 Comment
  SD40733  Epipactis gigantea B. D. Stark 1933-5-13 4985 Riverside Andreas Canyon. Stream bank. 762 Comment
  CAS-BOT-BC58049  Equisetum G. B. Grant 1901-1-1 s.n. Riverside Strawberry Valley, San Jacinto. Comment
  UCR114926  Equisetum laevigatum L. C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
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Jul 22 2015
  RSA684644  Equisetum telmateia var. braunii H. Twining 1890-04 s.n. Riverside Riverside 240 Comment
  UCR93101  Eragrostis cilianensis F. M. Reed 1933-9-11 8065 Riverside Riverside 244 Comment
  RSA800107  Eremalche exilis Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4765 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  CHSC1041  Eremalche rotundifolia V. Holt 1935-4-16 Riverside E. Colorado Desert. Comment
  RSA570726  Eremocarpus setiger Steve Boyd, T. S. Ross, J. Travis Columbus 1993-10-23 8194 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  UCSB10040  Eremothera boothii subsp. condensata Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains, 1.5 mi S of the junc. of U.S. 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  UCSB42113  Eremothera chamaenerioides Roos, John 1966-3-26 Riverside 2.5 miles S.E. of Desert Center, Chuckwalla Mtns. Comment
  RSA0031613  Eremothera refracta Jim Andre 2013-3-27 24819 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  JEPS69003  Eriastrum densifolium M. French Gilman 1921-1 746 Riverside Banning Comment
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Mar 13 2011
  UC1787332  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  UCD118275  Eriastrum eremicum subsp. eremicum A. C. Sanders 1988-5-11 7810 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
  CAS-BOT-BC514458  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11010 Riverside Palm Springs Comment
  UC455634  Eriastrum sapphirinum I. J. Condit 1910-6-24 Riverside lower slopes and in canyon San Jacinto Mts. Comment
  UCR55269  Eriastrum sapphirinum Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  RSA0122948  Eriastrum sapphirinum subsp. dasyanthum T. B. Salvato, John Green 2004-5-27 623 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
  UCR280913  Eriastrum sapphirinum subsp. dasyanthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 40 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR48399  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd 1986-5-7 1844 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA0122978  Eriastrum sapphirinum subsp. sapphirinum P. A. Munz 1922-7-4 5973 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UCR244406  Ericameria cooperi Jim Andre 2012-4-16 20972 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA505022  Ericameria linearifolia D. Charlton 1988-5-21 1911 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74.[note: labels I've seen have both localities (A & B) and don't distinguish elevation or vegetation -SDW 2004] 1829 Comment
  RSA776284  Ericameria linearifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 886 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  RSA736981  Ericameria palmeri var. pachylepis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10666 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  LA27286  Ericameria paniculata Lewis S. Rose; 1946-12-25 46307 Riverside San Gorgonia Pass, 5 mi. E of Cabazon, Comment
  SD239588  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 (78a^z) of Santiago Peak summit. 1402 Comment
  SDSU12965  Erigeron canadensis Michael G. Simpson 1999-10-27 2036 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SBBG54332  Erigeron divergens C. Davidson 1978-6-15 7379 Riverside rd from Hwy 74 to Santa Rosa Mtn, ca. 2 mi W of jct to Santa Rosa Springs Cmpgrd 2087 Comment
  UC63357  Erigeron divergens F. Gilman 1902-1 25 Riverside Palm Springs Comment
  UCSB49611  Erigeron foliosus Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 1996 Comment
  HSC82842  Eriochloa acuminata var. acuminata A. C. Sanders 1985-8-24 5946 Riverside Lower Coachella valley near Oasis on the dirt extension of Ave. 76, 0.4 mi E of Hwy 195, along the S side of a large drain flowing toward the Salton Sea -55 Comment
  RSA659767  Eriochloa contracta J. C. Roos 1963-8-10 s.n. Riverside Blythe Comment
  POM3882  Eriodictyon crassifolium L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  UC1979591  Eriodictyon crassifolium var. crassifolium D. L Banks, Steve Boyd 1995-3-30 0127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. Comment
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Nov 18 2015
  UCR107756  Eriodictyon crassifolium var. crassifolium D. L. Banks 1997-5-5 1968 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR17809  Eriodictyon crassifolium var. crassifolium O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  RSA784543  Eriogonum J. D. Olmsted 1959-9-22 s.n. Riverside Santa Ana Mts. to south, Drainage area to Pacific Ocean: Tributary from south into Santa Ana Can. at 3M clay workings [3M is a company]. North of Hwy 0.5 mi south of Santa Ana River. 8-10 mi SW of Corona. 131 Comment
  JOTR37446  Eriogonum baileyi var. baileyi Hodges, Stephen, T. Green 2016-5-24 568 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  RSA0103099  Eriogonum davidsonii Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8541 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  RSA783185  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 383 Riverside San Jacintos, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  UCR242669  Eriogonum davidsonii A. C. Sanders 2013-7-6 40844 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE side of town near south end of South Ridge, near junction of Tahquitz View Dr. and FS Rd. 5S11 1784 Comment
  RSA65158  Eriogonum elongatum J. T. Howell 1928-11-4 4089 Riverside San Gorgonio Pass, between Banning and Cabazon. Comment
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Mar 13 2011
  UCR167836  Eriogonum elongatum T. B. Salvato, Melissa Clemons 2005-6-2 1335 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR282150  Eriogonum fasciculatum R. E. Riefner Jr. 2017-5-17 17- 254 Riverside city of Elsinore, west of Hwy I-15, north side of Nichols Road, about mid-way between Collier Ave. and Nichols Road/Pierce Street junction 392 Comment
  RSA0088968  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1967-5-26 11740 Riverside Snow Creek. 335 Comment
  UCR192719  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, Mike Misenhelter 2008-6-10 35452 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  SBBG23073  Eriogonum fasciculatum var. flavoviride D. Myrick 1965-3-4 1086 Riverside Morongo Wash, Coachella Valley 701 Comment
  POM319085  Eriogonum fasciculatum var. foliolosum Patricia Wilder 1971-5-13 4951 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. 198 Comment
  RSA125858  Eriogonum fasciculatum var. foliolosum E. K. Balls, Percy C. Everett 1957-11-6 22791 Riverside 0.5 miles north of junction Hwy. 79 and road to Coahuila. 655 Comment
  CAS-BOT-BC175217  Eriogonum fasciculatum var. polifolium A. C. Sanders 2004-7-1 28386 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 488 Comment
  RSA648261  Eriogonum fasciculatum var. polifolium Margaret Murphy 1983-5-15 0022 -C Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA741743  Eriogonum fasciculatum var. polifolium M. Wall 2008-10-6 496 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  UC1329836  Eriogonum fasciculatum var. polifolium James E. Cole 1941-5-21 765 Riverside Quartz Outcrop Joshua Tree National Monument, Quartz Outcrop 914 Comment
  SEINET3087525 Image available Eriogonum gracile H. S. Gentry 1954-7-26 14256 Riverside Dripping Spring along route 79 Comment
  UCR193976  Eriogonum gracile A. C. Sanders 2008-7-25 35911 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  POM184174  Eriogonum gracile var. gracile M. French Gilman 1932-11-30 12 Riverside Cabazon. Comment
  RSA544289  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross 1991-6-14 6358 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA527857  Eriogonum gracile var. incultum Scott D. White 1991-5-10 91 -153 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  CAS-BOT-BC257584  Eriogonum inflatum W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Station Comment
  RSA338083  Eriogonum inflatum var. inflatum N. C. Cooper 1948-5-13 2832 Riverside Devil's Garden. 244 Comment
  RSA393577  Eriogonum inflatum var. inflatum Bonnie C. Templeton, I. W. Clokey 1930-4-9 1005 Riverside North of Palm Springs. 400 Comment
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Nov 8 2011
  RSA487226  Eriogonum molestum James L. Reveal, C. Rose Broome 1987-6-27 6613 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 mile northeast of California Hwy 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center. 1585 Comment
  RSA679189  Eriogonum nudum var. pauciflorum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1455 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  LA207002  Eriogonum plumatella Carl B. Wolf; 1932-10-11 4283 Riverside Morongo Wash at San Bernardino County Line 731 Comment
  RSA698445  Eriogonum pusillum J. R. Bruff 1928-4-2 85 Riverside Whitewater. Comment
  RSA254045  Eriogonum reniforme Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6479 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  CAS-BOT-BC263542  Eriogonum thomasii Ira L. Wiggins 1937-3-9 8758 Riverside 5 miles west of Shaver's Well Comment
  RSA339343  Eriogonum thomasii Robert F. Thorne, W. A. Tilforth 1980-5-28 54173 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA424964  Eriogonum thomasii Elizabeth A. White 1928-04 s.n. Riverside Road to Mecca beyond Palm Springs. Comment
  RSA639634  Eriogonum thomasii Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55362 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA727603  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1394 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC1080450  Eriogonum thomasii P. C. Everett and E. K. Balls 1958-4-29 22960 Riverside U.S.Hwy 60/70 (Indio to Blythe) 5 mi e U.S. Hwy. 99 121 Comment
  UCR138572  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1450 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UC205982  Eriogonum thurberi Jenkins and Street 1917-5-30 1954 Riverside San Jacinto River Comment
  CLARK-A1045-212  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  POM183873  Eriogonum wrightii var. membranaceum P. A. Munz 1932-10-16 12839 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  SBBG1672  Eriogonum wrightii var. membranaceum H. and M. Dearing 1936-12-26 142 Riverside Palms to Pines Hwy 1066 Comment
  SD90098  Eriogonum wrightii var. membranaceum Nancy Ryan Zabriskie, W. Zabriskie 1972-9-7 534 Riverside Strawberry firebreak, S of S end Marion Ridge Rd., Pine Cove, W drainage San Jacinto Mts. 1920 Comment
  CAS-BOT-BC261784  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  RSA423140  Eriogonum wrightii var. nodosum N. R. Zabriskie, Walter Zabriskie 1970-11-1 330 Riverside Andreas Canyon area, east slope San Jacinto Mountains. 427 Comment
  UCR90321  Erioneuron pulchellum Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  CAS-BOT-BC297344  Eriophyllum confertiflorum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR268283  Eriophyllum confertiflorum var. confertiflorum Jim Andre 2012-6-15 30509 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UC896341  Eriophyllum multicaule C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4734 Riverside open slope Gavilan Peak 600 Comment
  POM29826  Eriophyllum wallacei Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  POM307281  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2138 Riverside Santa Rosa Mountains. Comment
  SBBG65678  Eriophyllum wallacei M. N. Ackley 1928-3-10 283 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SDSU4119  Eriophyllum wallacei T. Bruhns 1965-5-23 130 Riverside At 2,000 ft., sign along state highway 74, below Idyllwild. 610 Comment
  UC472866  Eriophyllum wallacei Mary Fiske Spencer 1926-3-8 26 Riverside Snow Canyon washes, base of San Jacinto Mts; , Snow Canyon Comment
  UCR158508  Erodium botrys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30046 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
  SEINET156053  Erodium cicutarium Norman C. Cooper 1944-3-24 993 Riverside Banning. 701 Comment
  UCSB54162  Erodium cicutarium McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  RSA659351  Erodium cicutarium M. Duke, Christy Hightower, C. McElroy 1982-5-15 1 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR173930  Erodium macrophyllum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32566 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR216951  Erodium macrophyllum Kim Sparks, Ana Hernandez 2010-4-8 07 Riverside Perris-Aguanga Basin, Gavilan Hills, 330m east of Cajalco Rd. and 55m south of dirt access road. 435 Comment
  RSA762740  Erysimum capitatum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 642 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA0020243  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 644 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0019310  Erythranthe guttata Philip A. Munz 1938-8-14 15354 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SD138803  Erythranthe parishii Craig Reiser 1993-4-25 Riverside Near Aguanga, floodplain of Temecula Creek southeast of the Aguanga Store Comment
  SBBG25097  Eschscholzia caespitosa D. Myrick 1966-4-2 1328 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  CAS-BOT-BC403364  Eschscholzia californica S. B. Parish 1894-6-14 3140 Riverside Banning, San Bernardino Mountains, and their eastern base 914 Comment
  RSA433691  Eschscholzia californica Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  UCD94252  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 390 Riverside California. Riverside County: South side of I-10 in wash. 336 Comment
  UCR85151  Eschscholzia minutiflora A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16093 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SEINET5340013  Eschscholzia minutiflora N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-21 6449 Riverside Blythe-Rice road, 17 airline miles north-northwest of Blythe. 259 Comment
  CAS-BOT-BC5931  Eschscholzia minutiflora var. parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Eastern slope of San Bernardino Mt., Whitewater. Comment
  RSA0125281  Eschscholzia papastillii Duncan S. Bell 2016-3-4 8786 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SD49372  Eschscholzia papastillii Thomas W. Whitaker 1958-4-30 Riverside Box Canon, midway between Mecca and Shaver Well Comment
  CAS-BOT-BC419608  Eschscholzia parishii L. A. Greata 1905-4-1 424 Riverside Coachella Comment
  CAS-BOT-BC419609  Eschscholzia parishii S. B. Parish 1907-4-15 6103 Riverside Whitewater. Western border of the Colorado Desert 400 Comment
  CAS-BOT-BC419630  Eschscholzia parishii D. W. Kyhos 1962-3-18 62 -43 Riverside Slope of hill at west side of mouth of Whitewater Canyon Comment
  UCR251644  Eschscholzia parishii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 826 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  RSA0010858  Eucalyptus camaldulensis Scott D. White, D. Flietner 1998-12-2 7195 Riverside Along Temescal Creek. Temescal Canyon/Lake Elsinore area. 366 Comment
  UCD103100  Eucalyptus camaldulensis F. M. Reed 1916-11-12 3759 Riverside Jensen Ranch, west Riverside. Comment
  UCR101836  Eucalyptus camaldulensis B. G. Pitzer 1997-4-1 3052 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR67001  Eucalyptus camaldulensis S. J. Myers 1990-12-5 s.n. Riverside Santa Ana River, Louis Rubidoux Nature Center, along drainage that connects to Sunnyslope Channel, and to the confluence with the Santa Ana River 213 Comment
  SEINET237965 Image available Eucalyptus rudis A. C. Sanders 1998-1 21649 Riverside Lake Skinner area: along old Rawson Rd. at N edge of Crown Valley, at crest of road where it drops into Diamond Valley. 640 Comment
  SD144470  Eucrypta chrysanthemifolia A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20700 Riverside San Jacinto Mtns: N side of range, Twin Pines Creek below the confluence with Brown Creek 854 Comment
  RSA776021  Eucrypta micrantha Duncan S. Bell 2010-3-20 607 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA627507  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UCR223972  Euphorbia albomarginata A. C. Sanders 2011-3-23 38801 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  UCR281829  Euphorbia lathyris Mitch Provance 2017-5-23 517- 105 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  UCR108728  Euphorbia micromera Scott D. White, Sandy Leatherman 1998-4-15 6294 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  PASA696  Euphorbia palmeri Margaret Stason 1931-5-24 Riverside Pine Woods, Idyllwild Comment
  UCR26988  Euphorbia peplus E. W. Lathrop 1966-5-8 6410 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCD142706  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7468 Riverside Box Canyon Wash, c. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  UCD142735  Euphorbia polycarpa A. C. Sanders 1994-1-30 14224 Riverside Box Springs Mountains, E-facing open slope at the head of Big Springs Canyon. SE of peak 2602. 762 Comment
  UCR139613  Euphorbia polycarpa A. C. Sanders 2004-7-1 28384 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR183013  Euphorbia polycarpa Mitch Provance 2003-5-5 4422 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR188697  Euphorbia polycarpa J. M. Stewart 1989-10-17 618 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  UCR23560  Euphorbia polycarpa John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Cactus City, just east of the Mecca Hills on Interstate Hwy 10 [and 25 mi. east of Indio]. 500 Comment
  POM184158  Euphorbia polycarpa var. appendiculata M. French Gilman 1932-3-30 2 Riverside Palm Springs. Comment
  UCR250367  Euphorbia serpillifolia A. C. Sanders 2014-4-25 41073 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR57893  Euphorbia setiloba J. M. Stewart 1989-9-17 601 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  RSA343863  Euphorbia spathulata R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60654 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  RSA737118  Eustoma exaltatum Justin M. Wood 2008-10-15 184 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC56492  Eustoma exaltatum F. Gilman 1902-1 23 Riverside Palm Springs Comment
  UCSB7950  Fagonia laevis Muller, Katherine 1952-4-5 Riverside 2 mi. E. of Shaver's Summit, E. of South Gate of Joshua Tree National Monument Comment
  JOTR31952  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2189 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash 667 Comment
  UCR279513  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-27 43112 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
  UCR88155  Fatoua villosa A. C. Sanders, Steve Morgan 1994-10-7 15832 Riverside Box Springs Mtns., UCR Botanic Garden Comment
  UCR2404  Festuca microstachys F. M. Reed 1920-6-14 4376 Riverside San Jacinto Mtns., Meadows and other ground about Idyllwild 1524 Comment
  UCR26713  Festuca microstachys E. W. Lathrop 1966-5-29 6376 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  LA13119  Festuca myuros F. M. Reed; 1903-12-13 407 Riverside Box Spring Mountains, Footills Comment
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Sep 20 2013
  UCR207376  Festuca myuros O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  SEINET237139 Image available Festuca octoflora H. Hiad 1968-5-19 Riverside San Jacinto Mountains: Bautista Canyon above confluence with Horse Creek. (Blackburn Canyon) Plots Gand E. 878 Comment
  CLARK-A1045-227  Filago arizonica George K. Helmkamp 1978-4-1 Riverside Cabazon north of Interstate highway 10; disturbed soil; Cabazon 7.5'Q Comment
  RSA387352  Filago arizonica Steve Boyd 1986-4-10 1642 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  RSA500099  Filago arizonica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA525316  Filago californica Steve Boyd, David E. Bramlet 1990-4-29 4470 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA586917  Filago depressa D. L. Banks, Steve Boyd 1995-5-3 0252 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA575828  Filago gallica Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain 317 Comment
  UCR121099  Forestiera pubescens A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR244305  Fouquieria splendens subsp. splendens Jim Andre 2012-4-15 20854 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA627504  Fragaria vesca Scott D. White 1998-7-31 6944 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UC488841  Fragaria vesca C. V. Meyer Jun 1927 195 Riverside Saunder's Meadow; San Jacinto Mts. 1676 Comment
  VVC320  Fraxinus dipetala A. C. Sanders 1997-5-4 320 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  RSA655603  Fraxinus velutina Mitch Provance 2000-4-8 s.n. Riverside Jurupa Mountains: Bloomington/Crestmore, ca. 100 yards NE of the corner of Cedar Ave. and El Rivino Rd., and along the W side of the El Rivino Country Club. 293 Comment
  RSA1242  Fraxinus velutina var. coriacea B. D. Stark 1929-9-22 1438 Riverside Keys Ranch, near 29 Palms Mojave Desert. Comment
  UCR218068  Fritillaria biflora Steve Boyd 2010-5-28 12283 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers 1012 Comment
  RSA667307  Funastrum cynanchoides var. hartwegii B. Pitzer 1989-4-16 1309 Riverside Chocolate Mountains Aerial Gunnery Range. 4 km W of Tabaseca Tank, in Impact Area. 620 Comment
  CHSC99050  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  JOTR34258  Funastrum hirtellum La Doux, Tasha, M. Harding 2010-4-7 2923 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA696504  Funastrum hirtellum J. R. Bruff 1928-4-3 158 Riverside 10 miles south of 29 Plams Comment
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Oct 23 2011
  RSA740942  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-17 12184 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CAS-BOT-BC223034  Galium angustifolium A. C. Sanders; T. B. Salvato 2000-5-25 23396 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  SD236403  Galium angustifolium A. C. Sanders, Tim Thomas 2008-8-1 35937 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  UCR132341  Galium angustifolium John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  POM319092  Galium angustifolium subsp. angustifolium Patricia Wilder 1971-5-13 4943 Riverside Prado Flood Control Basin; at top of Prado Dam on west end. 229 Comment
  RSA180292  Galium angustifolium subsp. angustifolium E. W. Lathrop 1965-4-25 5693 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  RSA221074  Galium angustifolium subsp. angustifolium E. W. Lathrop 1966-5-8 6423 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA720458  Galium angustifolium subsp. angustifolium Naomi S. Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1694 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1585 Comment
  SBBG101768  Galium angustifolium subsp. angustifolium S. Boyd, T. Ross 1991-6-14 6404 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC64375  Galium angustifolium subsp. jacinticum H. M. Hall Aug. 1901 2604 Riverside e side <of mts?> San Jacinto Mountains, Tamarack Creek, Long Valley 2438 Comment
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Oct 12 2006
  RSA615100  Galium aparine D. L. Banks 1997-3-29 1579 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  CLARK-A1528-3953  Galium parishii John C. Roos 1936-9-15 2510 Riverside San Jacinto Mountains Comment
  RSA0014933  Galium porrigens var. porrigens LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6038 -b Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  POM337423  Galium stellatum F. R. Fosberg 1930-4-30 S 2224 Riverside Morongo Canyon. Comment
  UCR88574  Gamochaeta stagnalis A. C. Sanders, J. C. Lyman 1995-4-16 16566 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA761322  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 680 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET10492292  Gayophytum nuttallii David B. Dunn 1946-8-18 Dunn 2754 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to round valley and to the peak. San jecinto mts. California. Comment
  RSA27179  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin. Comment
  UC472328  Geraea canescens Joseph Grinnell 1910-3-17 Riverside sand bank at foot of mesa Colorado River, Riverside Mt. Comment
  UCSB57883  Geraea canescens Wolf, Carl 1932-4-27 Riverside Colorado Desert; 16 mi. E. of Desert Center; Chuckwalla Valley 121 Comment
  UCR178845  Gilia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 389 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  POM13241  Gilia angelensis P. A. Munz, I. M. Johnston 1922-5-19 5350 Riverside 5 miles NE of Murietta. 457 Comment
  RSA470132  Gilia angelensis Ora M. Clark 1929-3-2 1636 Riverside Near Elsinore. Comment
  SD251264  Gilia angelensis A. C. Sanders, Mitch Provance, T. B Salvato 2001-4-6 23968 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route. 366 Comment
  UCR97492  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19882 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA771114  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4929 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
  SEINET14643582  Gilia diegensis H. M. Hall 2913 Riverside Vicinity of Winchester. 457 Comment
  RSA698346  Gilia latiflora J. R. Bruff 1928-4-2 106 Riverside Canyon 1 mile west of Morengo 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
  CAS-BOT-BC407623  Gilia ochroleuca subsp. exilis Frank W. Peirson 1938-5-30 12413 Riverside South of the Shell Gas station, Thomas Mountain, Hemet Valley Comment
  RSA0016277  Gilia ochroleuca subsp. exilis Ora M. Clark 1929-3-16 1687 Riverside South of Cabazon. Comment
  UCR256093  Gilia ochroleuca subsp. exilis LeRoy Gross, Evan Meyer 2013-5-21 6112 Riverside Peninsular Range; San Jacinto Mtns., West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point 1631 Comment
  RSA0017051  Gilia ochroleuca subsp. exilis R. C. Bacigalupi, L. Heckard 1962-3-25 8400 Riverside Temescal wash, near Arcilla siding of the A.T. & S.F. railway, just below and east of state highway 71. About 10 air miles northwest of Elsinore. 290 Comment
  UCR31681  Gilia scopulorum John C. Roos, Lucille Roos 1949-4-10 4226 Riverside Sonoran (Colorado) Desert, Chuckwalla Mts, rocky hillside 3.5 mi. SE of Desert Center Comment
  UCR35048  Gilia splendens L. B. Ziegler 1977-6-5 569 Riverside San Jacinto Mtns, Banning/Idyllwild Road [Hwy 243] 1982 Comment
  JEPS69719  Gilia stellata W. L. Jepson 1928-4-25 12600 Riverside in the wash below Cottonwood Spr; Colorado Desert, Eagle Mtns. 731 Comment
  RSA299418  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside Bajada, west of Coral Reef Ranch, 8 miles southwest of Coachella 91 Comment
  RSA679903  Gilia stellata Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SBBG5904  Gilia stellata H. and M. Dearing 1937-4-10 Riverside NE of Indio Comment
  UCR9401  Glyceria elata D. H. Wilken 1965-6-29 366 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  RSA91958  Glyceria striata F. W. Peirson 1924-7-27 4985 Riverside Along creek in Dark Canyon, 1829 Comment
  UCR84377  Gnaphalium leucocephalum Steve Boyd 1994-10-14 8385 Riverside Santa Ana Mtns., San Mateo Canyon Widerness Area of the Cleveland Nat'l Forest. San Mateo Canyon at the confluence with Bluewater Canyon 335 Comment
  RSA276714  Gnaphalium luteoalbum John F. Emmel 1978-5-14 604 Riverside Vacant lot, in Southeast Hemet, near intersection of Stanford Street and Sttson Street. 518 Comment
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Jun 25 2013
  UCR133325  Gnaphalium luteoalbum John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  CLARK-A1528-4906  Gnaphalium microcephalum John C. Roos 1947-9-6 3745 Riverside San Jacinto Mountains Comment
  POM212729  Gnaphalium palustre P. A. Munz 1941-5-18 16649 Riverside About 15 miles northeast of Temecula. Comment
  SD197684  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 Riverside San Jacinto Mountain foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and north of California Highway 74. 548 Comment
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Jul 11 2010
  UCR155820  Gnaphalium palustre John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  SEINET3071808  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17498 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  POM48137  Guillenia lasiophylla E. Schlinger 1920-05 s.n. Riverside Canyon Coachella, Colorado Desert Comment
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Nov 19 2011
  RSA480083  Guillenia lasiophylla Steve Boyd, S. Meury, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2172 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  UCR93820  Gutierrezia californica P. J. MacKay 1996-6-15 004 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA339242  Gutierrezia microcephala R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53596 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA0104498  Gutierrezia sarothrae Duncan S. Bell 2015-9-30 8657 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  SD260183  Gutierrezia sarothrae T. B. Salvato, Arlee Montalvo 2015-8-22 8232 Riverside San Jacinto Mountains: Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74. 1402 Comment
  SEINET273064  Harpagonella palmeri A. C. Sanders 1997-3-26 20116 Riverside Lake Skinner area: NW foot of the Tucalota Hills 0.2 mi E of main Skinner entrance road on a dirt service road 473 Comment
  UCR22069  Harpagonella palmeri Steve Boyd 1980-4-27 142 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR77700  Harpagonella palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6311 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  SDSU12908  Hazardia squarrosa var. grindelioides Jutta Buschbom 1991-6-3 17 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  JEPS35425  Helenium bigelovii Carl V. Meyer 1928-7-26 531 Riverside w side trail from Idyllwild to San Jacinto Peak (above Roach Sawmill) 2743 Comment
  UCR124218  Helianthemum scoparium S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  POM2873  Helianthemum scoparium var. aldersonii P. A. Munz 1918-4-27 2137 Riverside Temescal Canyon Comment
  CAS-BOT-BC305361  Helianthus annuus H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  RSA651097  Helianthus annuus W. H. Grady 1948-2-24 s.n. Riverside Found 7 mi. west of Riverside. 243 Comment
  UC897489  Helianthus californicus I. W. Clokey and E. G. Anderson 1935-8-21 6934 Riverside North fork San Jacinto River 1500 Comment
  RSA741261  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  CLARK-A1528-1912  Helianthus niveus subsp. canescens John C. Roos 1962-4-3 Riverside Palm Springs Municipal Airport 121 Comment
  UCR18115  Helianthus niveus subsp. canescens A. C. Sanders 1978-4-2 00137 Riverside Sonoran (Colorado) Desert, Coachella Valley, between Miles Ave. and Hwy 111, just east of Washington St 30 Comment
  UCR19233  Helianthus petiolaris John C. Roos 1965-7-29 s.n. Riverside Hemet Comment
  RSA180444  Hemizonia fasciculata E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta Comment
  UCR207786  Hemizonia mohavensis O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA655231  Hemizonia paniculata Scott D. White 1999-11-12 7632 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA688835  Hemizonia paniculata Scott D. White, Michael Honer 2003-6-17 9553 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR207302  Hemizonia paniculata John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR235093  Hemizonia paniculata A. C. Sanders, John F. Green 2012-5-27 40196 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  UCR260538  Hemizonia paniculata T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7993 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  UCR103476  Hemizonia pungens subsp. laevis D. E. Bramlet 1995-6-8 2432 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit; within the access road to the margin of the old duck ponds, 1.83 km east of Davis Road and 762 m north of the San Jacinto River channel 436 Comment
  UCR92256  Hemizonia pungens subsp. laevis Scott D. White, S. Ogg 1994-10-17 3455 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR249831  Hesperocallis undulata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7306 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
  RSA85451  Hesperocnide tenella J. C. Roos 1952-4-13 5537 Riverside North side of Box Canyon 396 Comment
  RSA586951  Heterocodon rariflorum D. L. Banks, S. D. Boyd 1995-5-30 0480 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N Flank of Agua Tibia Mountain, along the Dripping Springs Trail; at first saddle area in section 34, NNE of the two peaks of Agua Tibia Mountain. 963 Comment
  UCR201665  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-19 12264 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA0072392  Heteromeles arbutifolia var. cerina M. Wall 1996-1-5 117 Riverside S of Hemet along Bautista Canyon Rd, S of Hwy 74, 6.3 mi SE of Fariview Avenue. 610 Comment
  JEPS43059  Heuchera hirsutissima Carl V. Meyer 1928-7-27 551 Riverside at summit of Mt. San Jacinto (San Jacinto Peak); San Jacinto Mountains 3293 Comment
  SEINET2431524 Image available Heuchera hirsutissima Louis B. Ziegler 1969-7-1 Riverside North slope of San Jacinto Mountains. 2350 Comment
  RSA0066124  Heuchera hirsutissima L. B. Ziegler 1969-7-1 s.n. Riverside North face of San Jacinto Mts. 2346 Comment
  RSA0042858  Hibiscus denudatus Duncan S. Bell, LeRoy Gross 2014-3-20 6270 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA449945  Hibiscus denudatus J. C. Roos 1958-2-22 s.n. Riverside 2 mi SE of Desert Center Comment
  UC68561  Hibiscus denudatus H. M. Hall 1905-4-17 5782 Riverside 10 mi. w. Coachella 121 Comment
  LA45786  Hoffmannseggia microphylla E. M. Hyde; 1935-3-17 sn Riverside Palms to Pines Highway 182 Comment
  LA45787  Hoffmannseggia microphylla Miss Halflaud; March 1925 6483 Riverside Palm Springs 0 Comment
  SEINET953937  Hoffmannseggia microphylla Unknown 1930-1 190 Riverside Near Shave's Well. Comment
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Aug 4 2013
  UCD84877  Holcus lanatus Ralph Garmus 1963-7-22 s.n. Riverside Riverside County. Comment
  UC1929623  Holodiscus microphyllus var. sericeus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8638 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  UCR162953  Hordeum intercedens Fred M. Roberts, D. E. Bramlet 2005-4-1 6141 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR269909  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3652 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  POM352485  Hordeum vulgare H. de Forest, Rempel 1934-4-14 19794 Riverside San Gorgonio Pass. 640 Comment
  CAS-BOT-BC148567  Horkelia clevelandii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  POM13645  Horkelia clevelandii Philip A. Munz 1922-7-6 6011 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  LA207994  Horkelia clevelandii var. clevelandii Carl Epling; William Robison 1935-6-30 sn Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  HSC86252  Hosackia crassifolia Melody Lardner 1981-6-4 206 Riverside San Jacinto Mts., James Reserve 1616 Comment
  UCSB26736  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Along road to Toro Peak, 5.9 miles south of California State Highway 74, Santa Rosa Mtns. 2346 Comment
  POM361078  Hymenoclea salsola F. R. Fosberg 1932-3-13 8090 Riverside Thousand Palms Canyon. Coachella Valley. Comment
  RSA696756  Hymenoclea salsola W. Marquart 1938-3-12 s.n. Riverside 20 mi. W. of Blythe. Found along deep road embankment. Comment
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Dec 18 2011
  RSA696760  Hymenoclea salsola J. R. Bruff 1927-3-13 2 -G Riverside Thousand Palms Comment
  RSA93950  Hymenoclea salsola Margaret Stason, F. Brubaker 1928-3-3 7697 Riverside Hidden Spring Canyon near Mecca. Comment
  UC667320  Hymenoxys cooperi Annie M. Alexander and Louise Kellogg 1941-5-4 2116 Riverside sandy flat near edge reservoir; Joshua Tree National Monument, Barker Dam 1325 Comment
  UC871755  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  CAS-BOT-BC219735  Hyptis emoryi M. Bourell; R. Patterson 1987-4-14 3268 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  CAS-BOT-BC219736  Hyptis emoryi P. Munz 1919-3-25 2304 Riverside Palm Springs Comment
  CAS-BOT-BC219750  Hyptis emoryi Geo. B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs Comment
  HSC14207  Hyptis emoryi J. J. Wagoner 1965-4-13 35 Riverside E slope of San Jacinto along Palms to Pines Hwy., 7 mi. W of Palm Desert 213 Comment
  LA61594  Hyptis emoryi J. A. Ewan; 1931-2-23 4044 Riverside Devils Canyon, above Coral Reef Ranch Comment
  RSA0094192  Hyptis emoryi Duncan S. Bell, Evan Meyer 2014-10-29 7681 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA27598  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UC1541662  Hyptis emoryi H. E. and S. T. Parks 1940-2-12 24170 Riverside Mouth of Santa Rosa Canyon 304 Comment
  UC68705  Hyptis emoryi H. M. Hall Apr. 1905 5814 Riverside 10 mi w Coachella; Colorado Desert, w of Coachella 91 Comment
  UCR109532  Hyptis emoryi R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert, Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saying 'Edmund C. Jaeger Nature Sanctuary' in bottom of canyon at old road crossing 366 Comment
  UCR233154A  Hyptis emoryi Jim Andre, Glenn L. Clifton 2011-2-22 17458 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM359530  Isocoma acradenia var. eremophila L. C. Wheeler 1931-11-27 375 Riverside 5 miles SE Mecca. -61 Comment
  RSA736726  Isocoma menziesii Scott D. White, Angelia Carey, Linca Archa 2004-8-5 10667 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UC2015589  Isocoma menziesii Scott D. White 1995-12-30 3802 Riverside Perris Basin SW of Perris, above S bank of San Jacinto River. Comment
  POM318592  Isocoma menziesii var. menziesii Patricia Wilder 1970-10-15 4798 Riverside [Prado Dam area] Comment
  RSA357154  Isoetes howellii Robert F. Thorne 1973-5-23 43852 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UCR37791  Isomeris arborea A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  JOTR16835  Ivesia saxosa Moore, Sue 1968-5-13 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  JOTR30786  Ivesia saxosa La Doux, Tasha, Erin Babich 2007-4-18 1516 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley Comment
  UCR215595  Ivesia saxosa Jim Andre, T. La Doux 2008-9-16 10701 Riverside Mojave Desert, Joshua Tree National Park, on the southeast end of Splitock Picnic Area 1290 Comment
  POM265663  Jepsonia parryi J. C. Roos 1937-11-23 2295 Riverside La Sierra. Comment
  UCD110248  Juglans A. C. Sanders; T. B. Salvato 2003-5-21 26783 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
  SD237489  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 (Riverside West 7.5'Q) 238 Comment
  UCR108208  Juncus balticus D. L. Banks 1997-11-15 2196 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  HSC87024  Juncus balticus subsp. ater L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  SBBG92182  Juncus bufonius J. Hirshbert 1989-4-4 Riverside S of Murrieta, W of Mesa de Burro, near head of Cole Cyn; Santa Rosa Plateau 487 Comment
  UCR201821  Juncus bufonius Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  JOTR35126  Juncus bufonius var. occidentalis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3238 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR163044  Juncus dubius D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  SEINET3878466  Juncus effusus Faulkner 1978-4-27 480 Riverside 3 miles east of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  POM48825  Juncus macrophyllus Phillip A. Munz, I. M. Johnston 1924-7-28 8801 Riverside Pine Flats 1738 Comment
  RSA500197  Juncus mexicanus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3547 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  CLARK-A1528-5053  Juncus phaeocephalus var. paniculatus John C. Roos 1948-5-15 3837 Riverside Eagle Mountains Comment
  RSA500194  Juncus rugulosus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3550 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA696125  Juncus torreyi A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-8-17 24598 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  RSA593992  Juncus xiphioides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 948 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-BC85411  Juniperus californica Marcus E. Jones 1882-4-25 3175 Riverside San Jacinto Comment
  JOTR31176  Juniperus californica La Doux, Tasha, G. Clifton 2009-5-14 1974 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA600555  Juniperus californica L. C. Wheeler 1958-10-16 7527 Riverside Riverside: Along highway, 2 miles east of Citrus Experimental Station. Comment
  UCR244381  Juniperus californica Jim Andre 2012-4-16 20952 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  CAS-BOT-BC234592  Justicia californica Marcus E. Jones 1926-1-20 s.n. Riverside Yaqui Well, Colorado Desert Comment
  RSA793456  Justicia californica Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4378 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  CAS-BOT-BC235495  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CAS-BOT-BC235496  Keckiella antirrhinoides B. Pitzer 1997-3-23 2956 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  CAS-BOT-BC235504  Keckiella antirrhinoides Jim Shevock 1970-4-25 163 Riverside Coldwater Trail 670 Comment
  RSA503492  Keckiella antirrhinoides Frederick W. Oettinger 1969-4-9 865 Riverside San Bernardino Mts., Whitewater Canyon: c. 10 mi. NNW of Palm Springs. Comment
  RSA131402  Keckiella cordifolia E. K. Balls 1958-6-27 23283 Riverside Yellow Pine Forest, upper edge. 5 mi. se. from Silverado (Gate), Silverado Canyon. 1098 Comment
  CAS-BOT-BC246201  Keckiella rothrockii Ralph Hoffmann 1929-9-6 s.n. Riverside Near Tahquitz Pk., San Jacinto Mts. Comment
  UCR139978  Kochia scoparia A. C. Sanders 2004-8-10 28770 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA740072  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12135 Riverside Meadow at Quinn Flat. 1378 Comment
  CAS-BOT-BC273672  Koeleria pyramidata H. M. Hall 1901-6-1 2376 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC61419  Krameria bicolor Ivan Johnston 1917-4-4 1097 Riverside Mouth of Andreas Canyon Comment
  UCSB16824  Krameria bicolor Field, L. 1963-5-5 Riverside 5.3 miles south Palm Desert on California Highway 74 Comment
  UCR52008  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA408599  Krameria grayi Robert Gustafson 1980-5-5 1570 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  RSA408612  Krameria grayi N. C. Cooper 1949-4-8 3276 Riverside Shaver s Summit east of Indio. 610 Comment
  RSA589083  Lactuca serriola D. L. Banks, S. D. Boyd 1995-10-17 0794 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E., Just W of the Metasedimentary hills. 524 Comment
  CAS-BOT-BC341448  Lagophylla ramosissima E. W. Lathrop 1966-5-8 6268 Riverside 5 miles west of Murrieta Comment
  SD45175  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 579 Comment
  UC1329881  Langloisia setosissima subsp. punctata James E. Cole 1941-4-13 588 Riverside 1/4 mi. s. of summit Pinto Pass; Joshua Tree Nat'l Monument Comment
  RSA480026  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2149 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  CAS-BOT-BC338915  Lasthenia californica A. C. Sanders; K. Rose 1995-4-5 16372 Riverside San Bernardino Mtn./Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62 700 Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  SD186090  Lasthenia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta. 701 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
  UCR94269  Lasthenia coronaria Scott D. White 1996-4-14 3899 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  JEPS98731  Lasthenia glabrata subsp. coulteri Raymund Chan 1997-3-28 97005 Riverside 1.5 mi W of Lakeview (on N side of Ramona Expressway; 200-300 ft E of San Jacinto River) Comment
  RSA550481  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-5-6 2267 Riverside Some 760m northwest of Lakeview and south of the San Jacinto Wildlife area. The collection site is some 10m west of Davis Rd. amd 2 m north of Marvin Rd. 132 Comment
  UC62998  Lasthenia glabrata subsp. coulteri H. M. Hall 1933 Riverside Meadows of Coahuilla Valley Comment
  UC893748  Lasthenia gracilis K. Watkins and E. McClintock 1937-4-9 Riverside between Hemet and Winchester Comment
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Mar 20 2011
  UCR232053  Lasthenia gracilis John F. Green 2008-4-15 0408- 16 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
  UCR259195  Lasthenia gracilis Mitch Provance, Jeremiah George 2012-4-24 412- 04 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  CSUSB977  Lathyrus laetiflorus Pam Maynard 1974-5-26 Riverside Mount San Jacinto Mount San Jacinto- Idyllwild. Mount San Jacinto Park- campground #14 1828 Comment
  UC1719501  Lathyrus sulphureus D. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 812 Comment
  UCR137353  Lathyrus vestitus 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
  UCR270179  Lathyrus vestitus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42398 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR35017  Lathyrus vestitus subsp. alefeldii L. B. Ziegler 1967-6-27 182 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  SD73467  Lathyrus vestitus var. alefeldii Louis B. Ziegler 1967-6-25 Riverside Flat above Kenworthy Ranger Station, south end of San Jacinto Mountains 1554 Comment
  JOTR32118  Layia glandulosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2276 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UCR133982  Layia glandulosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 972 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  SEINET6692562 Image available Layia platyglossa Norman C. Cooper 1944-4-22 1160 Riverside Banning. 732 Comment
  UCR269906  Layia platyglossa D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3654 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  POM30579  Layia platyglossa subsp. campestris Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA594782  Lepidium densiflorum var. ramosum D. L. Banks, Dylan Hannon 1996-5-3 976 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  UCR91886  Lepidium dictyotum var. acutidens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18056 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR85529  Lepidium dictyotum var. dictyotum Scott D. White 1993-3-12 1156 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  CAS-BOT-BC89441  Lepidium fremontii N. Aitkenhead 1977-2-2 2144 Riverside On T/L access just west of Joshua Tree Monument Road. Comment
  RSA67363  Lepidium fremontii F. W. Peirson 1928-4-24 7902 Riverside Cottonwood Springs, northern Colorado Desert Comment
  SEINET3148894  Lepidium fremontii L. S. Rose 1940-3-11 40104 Riverside 23 mi. W of Desert Center 366 Comment
  POM14377  Lepidium lasiocarpum P. A. Munz, D. D. Keck 1922-4-9 4905 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  RSA162684  Lepidium lasiocarpum J. D. Olmsted 1958-3-29 71 Riverside 3 miles N of Cottonwood Spring in Joshua Tree national Monument which is 8 miles from the southern entrance. 991 Comment
  POM91009  Lepidium lasiocarpum E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs. 122 Comment
  RSA678114  Lepidium lasiocarpum var. lasiocarpum V. Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1089 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  RSA777544  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 904 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SBBG104635  Lepidium lasiocarpum var. lasiocarpum T. Glenn 1991-5-2 91 -30 Riverside McCoy Mtns NW of Blythe 350 Comment
  UC573614  Lepidium lasiocarpum var. lasiocarpum H. S. Yates 1937-3-23 6426 Riverside near Thermal; Thermal Quad. 30 Comment
  RSA696140  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24053 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  UCR112320  Lepidium latipes A. C. Sanders, K. C. Rose 1998-5-21 21865 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR267166  Lepidium latipes D. E. Bramlet 2001-5-8 3136 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of Davis Rd. and south of headquarters 436 Comment
  RSA593901  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8606 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
  RSA689378  Lepidium nitidum Scott D. White 2001-4-19 8389 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  SDSU12946  Lepidium nitidum var. nitidum Jutta Buschbom 1991-6-1 28 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCD115877  Lepidium virginicum R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, near Herky Creek. Comment
  POM13773  Lepidium virginicum var. pubescens E. C. Jaeger 1921-7-14 1190 Riverside Dark Canyon, San Jacinto Mts. Comment
  RSA544286  Lepidium virginicum var. pubescens Steve Boyd, Timothy S. Ross 1991-6-14 6361 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCR202010  Lepidium virginicum var. pubescens 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
  UCR21297  Lepidium virginicum var. pubescens A. C. Sanders, K. Berg 1980-5-1 1369 Riverside San Jacinto Mtns., Garner Valley. 0.25 mi NW of the Kenworthy Ranger Station. 1387 Comment
  UCR116981  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato 2001-5-3 24082 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA697080  Lepidospartum squamatum Anonymous 1928-11-12 381 Riverside Aguanga. Comment
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Oct 23 2011
  UC1303125  Lepidospartum squamatum Carl B. Wolf 1932-10-14 2452 Riverside 1/2 mi above bridge on the Banning to Indio road; Whitewater wash. 365 Comment
  RSA0020037  Leptochloa panicea subsp. mucronata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6021 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
  RSA715096  Leptodactylon californicum Sarah J. De Groot, Elizabeth A. Kempton 2006-3-16 5211 Riverside Along Hwy 243, N slope of San Jacinto Mountains. 730 Comment
  UC23414  Leptodactylon californicum A. J. McClatchie May 1892 27 Riverside near Elsinore; near Elsinore Comment
  RSA73047  Leptosiphon androsaceus F. W. Peirson 1922-4-28 4472 Riverside Leach Canyon, near Elsinore 534 Comment
  POM48716  Leptosiphon ciliatus I. M. Johnston 1924-7-29 8844 Riverside 6 miles SE of Poppet Flats, San Jacinto Mountains. 1524 Comment
  UCSB31638  Leptosiphon ciliatus Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  UCSB5176  Leptosiphon ciliatus Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA221058  Leptosiphon floribundus subsp. glaber E. W. Lathrop 1966-5-8 6409 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  GMDRC6562  Leptosiphon liniflorus J. M. Andre 2012-6-15 30516 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA365944  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
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Apr 7 2011
  RSA92587  Leptosiphon liniflorus J. C. Roos 1952-5-26 5712 Riverside Hass' Ranch. Reche Canyon. 457 Comment
  RSA449969  Leptosiphon pygmaeus subsp. pygmaeus J. C. Roos 1950-4-22 4757 Riverside In the hills NE of the summit of Reche Canyon. 823 Comment
  UCR128246  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2003-10-16 27337 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  SJSU7264  Lessingia glandulifera M. A. Baker 1974-8-20 102 Riverside Pacheco Pass between McCoy Mts & Mule Mts c. 11 mi W of Blythe Comment
  RSA781835  Leymus condensatus Michael Wall 2011-8-5 611 Riverside Along Bautista Canyon Rd., confluence of unnamed canyon ca. 1.5 miles SE of jct. with Fairview Ave. 629 Comment
  POM319687  Leymus triticoides Patricia Wilder 1971-11-11 5293 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA179523  Leymus triticoides E. W. Lathrop 1960-6-6 4847 Riverside 14 miles W. of Murrieta. Comment
  UCR117309  Lilaea scilloides A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 741 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR222297  Lilaea scilloides R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55205 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  RSA526172  Lilium humboldtii subsp. ocellatum Steve Boyd, Timothy S. Ross 1990-5-11 4675 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
  SBBG93107  Linanthus dianthiflorus D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd; T7S, R1E, S32 701 Comment
  UC1563137  Linanthus dianthiflorus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3182 Riverside Vail Lake area, in hills just to sw of the dam Vail Lake Area 487 Comment
  UCR277166  Linanthus dianthiflorus Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  POM364583  Linanthus dianthiflorus subsp. dianthiflorus N. C. Cooper 1949-10-25 1014 Riverside Banning. 701 Comment
  RSA339068  Linanthus dianthiflorus subsp. dianthiflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54242 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA523546  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4006 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA543171  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, Mike Hammitt, T. S. Ross 1991-5-2 6081 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA85447  Linanthus dianthiflorus subsp. dianthiflorus J. C. Roos 1952-4-13 5529 Riverside Box Springs Mts. 488 Comment
  RSA776290  Linanthus jonesii Duncan S. Bell, Amanda Turek 2010-4-10 834 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
  UC880048  Linanthus lemmonii Marcus E. Jones, A. M. 1882-4-25 3174 Riverside San Jacinto Comment
  CLARK-A1528-5713  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  UC23813  Linanthus pygmaeus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR6480  Linaria canadensis Helen Leach 1967-3-2 C670302- 01 Riverside Pedley 229 Comment
  RSA645548  Linum usitatissimum S. J. Myers 1996-1-16 s.n. Riverside Perris Basin: 2 mi. NE of Perris, flood control channel between Perris Blvd. and Murrieta St., parallel to Nuevo Rd. ca. 1/4 mi. north., [UTM 10 km: MH-7 & 8E, 4N. March AFB & Bernasconi Hills] 442 Comment
  UCR178344  Lithophragma Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1048 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA0010983  Lithophragma affine N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  CLARK-A1528-1115  Lobularia maritima Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  UCR26384  Loeflingia squarrosa A. C. Sanders, S. Hagopian 1981-5-20 2129 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UC1043024  Loeflingia squarrosa var. squarrosa John C. Roos 1952-5-14 5664 Riverside along roadside 2 mi nw Perris 487 Comment
  RSA500180  Loeseliastrum matthewsii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3650 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 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
  SEINET3141203  Loeseliastrum schottii R. W. Spellenberg, N. Zucker 2001-3-25 13181 Riverside Box Canyon 8 km E of valley edge E of Mecca 140 Comment
  UCR177180  Loeseliastrum schottii Scott D. White, Michael Honer 2003-4-25 9123 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  POM9195  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-4 3525 Riverside Pass south of Palm Springs. 152 Comment
  UCR23302  Lolium perenne subsp. multiflorum John C. Roos 1952-5-14 5661 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  RSA651782  Lolium perenne subsp. multiflorum Karen Cook 1966-5-19 s.n. Riverside UCR campus; east entrance to Life Sci. Bldg. and 30 yds N. of it. 304 Comment
  UCR51777  Lomatium dasycarpum I. W. Clokey 1935-4-18 7680 Riverside Gavilan Peak. 700 Comment
  RSA180447  Lomatium lucidum E. W. Lathrop 1965-5-18 5755 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  RSA0028169  Lomatium multifidum John F. Emmel 1988-4-26 1085 Riverside Bautista Canyon road, 0.95 road mile northwest of turnoff to Tripp Flats. 104 Comment
  UCR102889  Lomatium utriculatum A. C. Sanders 1997-4-3 20174 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR6042  Lomatium utriculatum Randy Salstrom 1966-3-15 s.n. Riverside Box Springs Canyon, 100 yards east of freeway between Riverside and Beaumont, 2 mi. south of UCR 459 Comment
  RSA564307  Lomatium vaginatum Scott D. White 1993-4-20 1220 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  CAS-BOT-BC240674  Lonicera interrupta Peter H. Raven 1958-5-17 12950 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  UCR120924  Lonicera interrupta A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24924 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR87631  Lonicera interrupta A. C. Sanders 1994-5-30 14585 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  SD234349  Lonicera subspicata Wayne Law, Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Alberhill 7.5'Q) 395 Comment
  POM307268  Lonicera subspicata var. denudata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2118 Riverside Santa Rosa Mountains. Comment
  SD248384  Lophocereus schottii Marc A. Baker, Michelle Cloud-Hughes, Tim Thomas and Alice Karl 2013-9-26 17802 Riverside Pilot Mountain 7.5'Q USGS quad. Chuckwalla Mountains, south side of Corn Springs Wash, 600 m ESE of Corn Spring, 12.2km SE of Desert Center, 70km west of Blythe. 480 Comment
  SEINET272332  Lotus argophyllus A. C. Sanders, O. F. Clarke; H. Forster 1997-3-2 19765 Riverside Box Springs Mtns.: E side of the range in Pigeon Pass area above W end of Quail Call Dr. canyon just W of section line 610 Comment
  UCR16280  Lotus argophyllus D. C. Wald 1967-4-30 s.n. Riverside Bernasconi Hills near Lakeview 518 Comment
  UC15536  Lotus argyraeus H. M. Hall Jun 1901 2140 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UC15537  Lotus argyraeus H. M. Hall May 1899 1173 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mt. 1524 Comment
  JEPS55400  Lotus argyraeus var. argyraeus W. L. Jepson 1901-5-25 1440 Riverside Coyote Canyon near El Toro (Journey from Riverside to Santa Rosa Peak and Palomar); Coyote Canyon Comment
  POM17829  Lotus crassifolius P. A. Munz, D. D. Keck, I. M. Munz 1923-6-14 7070 Riverside Santiago Peak, Santa Ana Mts. 1524 Comment
  UCR138757  Lotus crassifolius Scott D. White 1997-5-18 5178 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UC218259  Lotus crassifolius var. crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  UC15625  Lotus grandiflorus H. M. Hall 1898-6-24 937 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1219 Comment
  POM226886  Lotus hamatus L. R. Abrams 1935-4-7 13677 Riverside 2 mile SW of Perris. Comment
  RSA90301  Lotus hamatus F. W. Peirson 1919-4-12 714 Riverside Along the Tahquitz Creek stream near Palm Springs Comment
  UCR242666  Lotus nevadensis A. C. Sanders 2013-7-6 40856 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  UCR187285  Lotus purshianus Diane Menuz, Theresa Johnson 2006-8-2 197 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, along Santa Margarita River in Temecula Canyon, c. 100 m upstream from road crossing of river 274 Comment
  RSA406793  Lotus rigidus Anstruther Davidson 1895-04 s.n. Riverside Palm Springs; Colorado Desert. Comment
  UC64819  Lotus rigidus E. E. Schellenger 1904-3-28 60 Riverside Cottonwood Springs Colorado Desert, Cottonwood Mt. Comment
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Oct 9 2010
  UC864868  Lotus rigidus S. B. Parish 1917-4-4 Riverside Palm Canyon Colorado desert Comment
  CLARK-A1656-824  Lotus scoparius subsp. brevialatus Jon Mark Stewart 1983-2-4 Riverside Palm Desert 330 Comment
  POM14083  Lotus scoparius var. brevialatus P. A. Munz, D. D. Keck 1922-4-14 4998 Riverside East of Whitewater Ranch 244 Comment
  RSA735387  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area, ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  UCR275359  Lotus scoparius var. brevialatus T. B. Salvato, Melissa Clemons 2005-6-9 1502 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA775097  Lotus strigosus Duncan S. Bell, Amber Swanson 2011-2-18 2033 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  RSA171380  Lotus strigosus var. hirtellus J. D. Olmsted 1962-5-3 3536 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  POM158200  Lotus unifoliolatus P. A. Munz 1928-9-6 11283 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA501009  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3128 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  CHSC90499  Lupinus arizonicus J. Lund 1980-4-3 52 Riverside 200 ft south of entrance to Joshua Tree National Monument. 944 Comment
  POM349963  Lupinus arizonicus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA414838  Lupinus arizonicus E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  UCR114148  Lupinus arizonicus B. G. Pitzer, J. Ross 1998-3-8 3614 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR2956  Lupinus arizonicus D. L. Flaherty 1963-3-21 113 Riverside Sonoran Desert, Coachella Valley, 1000 yards west of the intersection of Hwy 74 and Bursera Way in Palm Desert. 128 Comment
  RSA494352  Lupinus bicolor Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  RSA644152  Lupinus bicolor Scott D. White, Mike Wilcox 1995-7-13 3474 Riverside NE Santa Ana Mtn foothills. Alluvial fan below [unnamed] canyon. +/- 1/4 mi SW of Grand Ave. (City of Lake Elsinore), directly downslope from hairpin turn on SH 74. 488 Comment
  UCD107297  Lupinus bicolor C. V. Meyer 1929-6-18 767 Riverside Hemet Valley, San Jacinto Mts. 1341 Comment
  UCR162393  Lupinus bicolor S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  SD144460  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Balck Mtn, along the road. 518 Comment
  UCR154741  Lupinus concinnus T. B. Salvato, Kent Beaman 2005-5-16 776 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
  UCR214717  Lupinus concinnus A. C. Sanders 2010-3-23 37537 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SEINET10485080  Lupinus concinnus subsp. optatus Charles R. Gunn 1963-5-29 Gunn 2630 Riverside Riverside co road r1, 1/2 mi above fulmore lake, san bernardino national forest , San jacinto mountains. White standard, blue keel and wings. Comment
  CAS-BOT-BC205383  Lupinus excubitus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37801 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
  LA205080  Lupinus excubitus Elizabeth McClintock; 1937-7-10 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  UC213289  Lupinus excubitus I. M. Johnston 1918-4-27 1869 Riverside near Elsinore; near Elsinore 396 Comment
  UCR188794  Lupinus excubitus var. excubitus Jim Andre 2006-4-26 7796 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom c.1 mi north of Rattlesnake Spring 1321 Comment
  RSA653551  Lupinus excubitus var. hallii Scott D. White 1999-5-24 7405 (2 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA160413  Lupinus formosus J. D. Olmsted 1959-9-23 994 Riverside 2.5 miles south of Hemet Lake on Hwy 74 near road to Thomas Mt. trhough Garner ranch, San Jacinto Mts, Helmet Lake Drainage 1387 Comment
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Apr 1 2011
  RSA413695  Lupinus hirsutissimus M. V. Hood 1945-3-26 s.n. Riverside Aguanga. 610 Comment
  SEINET10903775  Lupinus hirsutissimus David B. Dunn 1947-3-16 Dunn 2917 Riverside Found 100 yds. Se of cabayon in the banning pass. Comment
  RSA087054  Lupinus microcarpus var. densiflorus F. W. Peirson 1929-5-4 8340 Riverside 2 miles north of Aguanga, South of Hemet. 549 Comment
  SEINET7062849 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon Road. UTM Zone 11, 473624mE, 3725049mN. (WGS84/NAD83). 472 Comment
  POM24955  Lupinus shockleyi Marcus E. Jones 1903-5-10 11561 Riverside Palm Spring. 61 Comment
  JOTR30921  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
  UC56605  Lupinus sparsiflorus H. M. Hall Apr 1902 2903 Riverside Foothills near Coahuilla (Coahuilla); San Jacinto Mountains 762 Comment
  UCR149860  Lupinus sparsiflorus Scott D. White, Michael Honer 2004-4-6 10041 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR153428  Lupinus sparsiflorus Scott D. White 1999-5-24 7383 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  POM301806  Lupinus sparsiflorus subsp. sparsiflorus James E. Cole 1942-4-12 949 Riverside Joshua Tree National Monument. 1220 Comment
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May 27 2013
  RSA80963  Lupinus sparsiflorus subsp. sparsiflorus G. R. Campbell 1952-4-6 18412 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  UCR173149  Lupinus succulentus Abby Sirulnik 2000-4-25 19 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  SDSU14088  Lupinus truncatus Joel Tracey 2002-4-20 7 Riverside Santa Margarita Ecological Reserve, 60 feet east of parking area, off intersection of Northside Field Station road and Santa Margarita River. Plant growing in crack of granitic rock, 15 feet north of river. 253 Comment
  UC1537126  Lupinus truncatus Gordon H. True Jr. 1935-4-8 228 Riverside Mockingbird Canyon 457 Comment
  UCR128920  Lupinus truncatus A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23901 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
  UCR270392  Lupinus truncatus John F. Emmel 1998-5-2 1545 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.8 road mile SE of national forest boundary 729 Comment
  HSC83030  Lycium andersonii Miles Fellows 1985-3-3 97 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns. 1 mi. W of Snow Creek Village 488 Comment
  RSA645642  Lycium andersonii Scott D. White 1999-4-20 7280 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA776287  Lycium andersonii Duncan S. Bell 2010-3-20 627 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA0020068  Lycium brevipes var. brevipes M. French Gilman 1930-4-27 s.n. Riverside Dos Palmos, east of Mecca. Comment
  RSA699023  Lycium pallidum var. oligospermum J. Russell Bruff 1929-12-28 454 Riverside Dos Palmas Comment
  UC1125126  Lycium torreyi C. Van Fleet 1931-1-22 6 Riverside Wilson Creek San Jacinto Quad. 762 Comment
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Nov 27 2011
  UCR222294  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55215 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  IRVC27407  Machaeranthera canescens A. C. Sanders, Scott D. White, C. L. Sanders 1994-12-18 15897 Riverside eastern edge of San Jacinto, Mountain Avenue at Esplanade Avenue, 2.4 mi. NW of Hwy 74 on Mountain Ave. San Jacinto Valley 490 Comment
  RSA0110187  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2010-4-2 708 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  CAS-BOT-BC206696  Malacothamnus densiflorus J. T. Howell 1928-7-8 1056 Riverside Santa Ana Mts., above Glen Ivy 914 Comment
  OBI5742  Malacothamnus fasciculatus subsp. fasciculatus Charlotte M. Wilder June1904 35 Riverside Wilder's Canon Jurupa hills Comment
  POM10289  Malacothrix clevelandii Charlotte M. Wilder 1905-5-14 582 Riverside Summit Jurupa Hills and extending north-west slope about 200 ft. 671 Comment
  POM229455  Malacothrix clevelandii P. A. Munz 1937-5-30 15087 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
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Sep 4 2009
  SBBG101737  Malacothrix clevelandii S. Boyd with D. Bramlet 1991-5-13 6246 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 Comment
  SD227756  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR17638  Malacothrix clevelandii Jeanine Derby, O. F. Clarke 1974-5-3 s.n. Riverside Lakeview Comment
  UCR19711  Malacothrix clevelandii John C. Roos, L. Roos 1954-5-15 6119 Riverside summit of Reche Canyon 732 Comment
  POM11885  Malaxis brachypoda Philip A. Munz 1922-9-5 6366 Riverside Meadow north of Tahquitz Valley, San Jacinto Mountains 2226 Comment
  RSA16510  Malosma laurina Percy C. Everett 1935-6-17 7148 Riverside Santa Ana Mountains, near Glen Ivy Resort on Coldwater Canyon Trail to Santiago Peak. 457 Comment
  RSA501072  Malosma laurina Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3190 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA588604  Malva parviflora D. L. Banks, Steve D. Boyd 1995-10-17 815 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  SD232712  Malva parviflora Scott White 1994-6-23 2097 Riverside San Gertrudis Creek, ca. 1 mi E of Skunk Hollow. Batchelor Mountain Quad; 395 Comment
  RSA737094  Malvella leprosa Justin M. Wood 2008-11-5 219 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  SEINET10732075  Mammillaria microcarpa Betty Venrick 1962-1 Riverside Comment
  SD138007  Marah macrocarpa Darin L. Banks, Steve Boyd 1995-3-30 131 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, Agua Tibia Mountain, Woodchuck Trail 633 Comment
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Jun 4 2009
  SDSU12949  Marah macrocarpa Jutta Buschbom 1991-6-1 31 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR97675  Marah macrocarpa A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19909 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC218948  Marina parryi Lester Rowntree 1937-5-26 s.n. Riverside Box Canyon near Mecca Comment
  CAS-BOT-BC218949  Marina parryi Ira L. Wiggins 1941-3-27 9672 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  RSA220379  Marina parryi C. W. Tilforth, John Dourley 1971-4-15 346 Riverside Ca. 7 miles NNE of Desert Center, Valley floor SE of Eagle Mountains. Comment
  UC65013  Marina parryi E. E. Schellenger 1904-2-25 63 Riverside 15 mi e Salton; Canyon Springs Comment
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Mar 10 2011
  SEINET11098364 Image available Marina parryi S. P. McLaughlin, Janice E. Bowers 2005-1 10369 Riverside NW of Blyth. 250 Comment
  SBBG99460  Marrubium vulgare W. L. Halvorson 1977-1-15 77 -24 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR266328  Marsilea vestita D. E. Bramlet 1991-6-15 2192 Riverside Perris-Aguanga Basin Region, bed of San Jacinto River at MWD maintenance road crossing, 3865 ft. south of Ramona Expressway, 4055 ft. east of Pozos Ave., & 1977 ft. SE of Lakeview Hot Springs 433 Comment
  GMDRC3508  Matelea parviflora J. Andre, T. La Doux 2008-9-16 10704 Riverside Little San Bernardino Mountains: Joshua Tree National Park: among boulders on NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad 34 deg. .534' N 116 deg. 3.098' W. Elev. 4354 ft. 1327 Comment
  RSA0103565  Matelea parvifolia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8540 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  UC1537054  Matricaria discoidea Gordon H. True Jr. 1936-4-15 240 Riverside Mockingbird Canyon 365 Comment
  UCR121805  Matricaria occidentalis A. C. Sanders, Carolyn Washburn 2001-4-17 24064 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 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
  RSA759271  Meconella denticulata Robt. Allen, L Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  UCR139035  Medicago polymorpha D. L. Banks, V. W. Steinmann 1997-3-13 1437 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  POM8822  Melica frutescens I. M. Johnston 1920-5-8 2274 Riverside Butte due west of Lakeview Comment
  UCR102853  Melica frutescens A. C. Sanders 1997-4-3 20145 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  SBBG56866  Melica imperfecta M. N. Ackley 1928-4-1 57 Riverside Snow Crk, Mt San Jacinto 518 Comment
  RSA653219  Melilotus albus John Wallace, Steve McNabb 1991-5-4 2 Riverside Colorado River. Ca 2 mi S of Red Rooster Campground. Comment
  UCR4131  Melilotus indicus Ronald M. Cope 1965-3-29 s.n. Riverside Riverside, c. 0.25 mi. south of where Gage Canal crosses Le Conte Drive on dirt road that goes along top of canal. 274 Comment
  UCR114318  Mentha Mitch Provance 1998-3-21 271 B Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  RSA69819  Mentha aquatica J. C. Roos 1951-9-25 5289 Riverside West end Fairmount Park 259 Comment
  UCR232521  Mentzelia albicaulis Dave Silverman, Onkar Singh 2010-3-27 7870 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 3.5 km SW of railroad, W of the A Canal and Levee Blvd, and c. 7 km north of Blythe Airport 135 Comment
  RSA282775  Mentzelia congesta C. W. Tilforth, B. Busenberg 1980-10-6 1994 Riverside Ca. 1/2 mi. north of Thomas Mtn. Campground, along Thomas Mtn. Rd., south of Lake Hemet, west of Highway 74. Comment
  UCR134601  Mentzelia desertorum Marisa Sripracha, Kyle Boyd 2004-2-14 023 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  JOTR32196  Mentzelia involucrata Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  UC1004771  Mentzelia involucrata E. C. Jaeger 1939-12-29 Riverside 5 m e Indio (Eytel Canyon branching from Fargo Canyon) 243 Comment
  POM123017  Mentzelia involucrata var. megalantha Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  JEPS42854  Mentzelia laevicaulis var. laevicaulis Marjorie D. Clary 1929-7-8 11 Riverside Whitewater Canyon Comment
  UC488988  Mentzelia laevicaulis var. laevicaulis C. V. Meyer June 1927 209 Riverside Western base of San Jacinto Mt. Comment
  UCR217528  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-12 008 Riverside Perris-Aguanga Basin, French Valley, southeast foot of the Hogbacks, south of Warm Springs Creek, 0.9km east-southeast of the intersection of Auld Road and Hwy 79 407 Comment
  UCR213305  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37702 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
  RSA501008A  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3127 A Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UCR260550  Microseris lindleyi T. B. Salvato, Matt Malle 2014-5-29 8020 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR88423  Microseris lindleyi A. C. Sanders, K. C. Rose 1995-4-5 16360 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA0018789  Mimetanthe pilosa Naomi S. Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2424 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  POM10950  Mimulus androsaceus I. M. Johnston 1922-5-20 5476 Riverside Kenworthy, Thomas Valley. 1463 Comment
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Mar 25 2011
  RSA38709  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11500 Riverside Indian Canyon, along Indian Canyon Truck Trail. 640 Comment
  UCR84639  Mimulus aurantiacus var. pubescens Scott D. White, S. Ogg 1994-4-21 1987 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA343880  Mimulus aurantiacus var. puniceus Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60663 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  RSA442708  Mimulus aurantiacus var. puniceus N. C. Cooper 1947-4-5 2030 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA444468  Mimulus aurantiacus var. puniceus Roos 1966-4-29 s.n. Riverside Rocky hills between March Air Force Base and Lakeview. Comment
  UC917890  Mimulus aurantiacus var. puniceus Frank W. Gould 1944-4-5 2226 Riverside 17 mi e Temecula Comment
  UC943922  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  UCR22113  Mimulus aurantiacus var. puniceus Steve Boyd 1980-4-8 116 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET3159638  Mimulus bigelovii S. B. Parish 1907-4-22 6165 Riverside Western border of the Colorado desert. 200 Comment
  RSA124413  Mimulus bigelovii var. bigelovii Percy C. Everett, E. K. Balls 1958-4-29 23017 Riverside U. S. Hwy. 60/70, Indio to Blythe, 1 mi. W. of Cactus City. Comment
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Mar 20 2011
  UCSB6096  Mimulus bigelovii var. bigelovii Haller, John 1960-4-2 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  RSA527878  Mimulus brevipes Scott D. White 1991-5-10 91 -156 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  SFV17401  Mimulus brevipes M. S. Valenzuela, P. Wilson 1998-6-2 67 Riverside Highway 74 near mile marker 54. Found along a creek. Comment
  UCR20878  Mimulus breweri A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  POM122819  Mimulus cardinalis Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  JEPS86974  Mimulus fremontii var. fremontii David M. Thompson 1988-4-8 869 Riverside 0.4 mi s Indian Valley Truck Trail interchange (I-15) (along frontage road on ne side of interstate, near summit of s bank of creek); Indian Creek 350 Comment
  UC472795  Mimulus fremontii var. fremontii M. F. Spencer 1921-7-1 13 Riverside Banning Road from Palm Springs; San Gorgonio Pass Comment
  CLARK-A1528-4252  Mimulus guttatus Art Whistler 1966-4-24 2 Riverside Deep Canyon Comment
  RSA526135  Mimulus guttatus Steve Boyd, Tim S. Ross 1990-5-11 4648 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
  RSA717679  Mimulus guttatus A. C. Sanders 2004-5-5 27781 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UCR37616  Mimulus guttatus George K. Helmkamp 1984-5-2 D 20 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UC27001  Mimulus microphyllus H. M. Hall June 1901 2219 Riverside Onstatt Valley San Jacinto Mountains 1524 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
  UCR194225  Mimulus pilosus Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CSUSB897  Mimulus puniceus Mark T. Wexler 1973-5-13 Riverside Santa Ana Mountains Cleveland National Forest, 10.18 miles from Orange County line of State Route 74, on east face of Santa Ana Mountains. 457 Comment
  CAS-BOT-BC388774  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  JOTR32837  Mirabilis albida La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1548 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  RSA0110425  Mirabilis bigelovii var. bigelovii Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54022 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  SEINET205185  Mirabilis californica F. C. Raney 1959-4-30 59 -5 Riverside State Hwy 74 1 mi E of Romoland Comment
  SEINET11941952  Mirabilis californica H. M. Hall 1903-1 3807 Riverside Vicinity of Riverside, in the Sonoran Zone 610 Comment
  UCR226069  Mirabilis laevis A. C. Sanders, T. B. Salvato 2011-4-1 38963 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  RSA0047271  Mirabilis laevis var. crassifolia J. Mark Porter, Lauren E. Machen 1997-2-15 11420 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
  UCR120942  Mirabilis laevis var. crassifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24920 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR272255  Mirabilis laevis var. crassifolia Duncan S. Bell, Amanda Turek 2009-3-30 170 Riverside Mojave Desert, southeast section of the Arica Mountains, c. 1.25 air miles southwest of Priest Well 349 Comment
  CAS-BOT-BC434828  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC434829  Mirabilis laevis var. retrorsa Philip A. Munz 1940-3-22 15654 Riverside Whitewater Canyon, 2 miles north of Banning - Indio boulevard Comment
  RSA772129  Mirabilis laevis var. retrorsa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4827 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA517843  Mirabilis laevis var. villosa Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  UCR154457  Mirabilis multiflora Jason L. Hlebakos 2005-5-30 807 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CLARK-A1528-4223  Mohavea confertiflora John C. Roos 1958-3-29 Riverside Orocopia Mountains 304 Comment
  SEINET10548354  Mohavea confertiflora David B. Dunn 2015-1 Dunn 2052 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  UCR123186  Monardella A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24613 Riverside Mojave Desert, Little San Bernardino Mtns, Split Rock, Joshua Tree National Park, north of 'Ruby' VABM 4351 on west side of road 1296 Comment
  RSA401645  Monardella australis subsp. australis Louis C. Wheeler 1931-10-3 196 Riverside Fern Valley-Tahquitz Valley trail, San Jacinto Mtns. 2378 Comment
  RSA408712  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Dark Canyon, near Deer Springs, San Jacinto Mts. Comment
  RSA675  Monardella lanceolata var. lanceolata B. D. Stark 1927-6-25 210 Riverside Crestmore, near Riverside. 305 Comment
  CLARK-A1528-3179  Monardella macrantha subsp. hallii John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  LA96091  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mountain, 0.5 mi. beyond Black Mountain Spring Comment
  UC2036000  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  POM307236  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2112 Riverside Santa Rosa Mountains. Comment
  RSA750402  Monardella nana subsp. arida Elizabeth McClintock 1940-9-1 s.n. Riverside San Jacinto Mts. Trail between Tahquitz Valley and Hidden Lake. Comment
  UCR133110  Monardella nana subsp. arida 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
  SEINET10582421  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 59 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  SEINET3289847 Image available Monardella nana subsp. tenuiflora M. W. Denslow, M. W. Denslow Sr.; Naomi Fraga 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mountains region: Santa Rosa Mountains, first peak west of Toro Peak. 2616 Comment
  UC1499916  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 72 Riverside 1 mi from fork in road going to public camps, on the Banning-Idyllwild road Comment
  RSA176926  Monardella robisonii Peter H. Raven, David S. Verity 1960-6-5 15495 Riverside Salton View, Joshua Tree National Monument. Comment
  UCR125893  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24594 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  LA62513  Monardella viminea Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  UCR78333  Monolopia lanceolata D. E. Bramlet 1993-4-13 2325 Riverside Adjacent to (north of) the existing dirt access road, 610 m north of Cajalco Rd, in the 'Cajalco Bend' area, 1.1 km west of Lake Mathews Drive 433 Comment
  JOTR34315  Monoptilon bellioides Andre, Jim 2012-4-11 20813 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  POM363576  Monoptilon bellioides M. B. Dunkle 1935-4-17 4555 Riverside W. of Wiley Well. Colorado Desert. Comment
  POM363591  Monoptilon bellioides P. J. Remple 1942-3-1 s.n. Riverside Palm Springs (Sapp's Place) Comment
  UCR19047  Monoptilon bellioides John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  JOTR00918  Monoptilon bellioides Sipe, Frank 1958-3-5 217 Riverside Joshua Tree National Park. PLEASANT VALLEY Comment
  RSA359530  Muilla maritima Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
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Jan 15 2009
  RSA674957  Muilla maritima Scott D. White 2001-6-8 8570 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR162285  Muilla maritima S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR22040  Muilla maritima Steve Boyd 1980-5-11 240 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  VVC542  Muilla maritima A. C. Sanders, J. Mac 1997-5-4 20699 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  SD140016  Myosurus minimus var. apus Andy C. Sanders 1993-4-5 13691 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) 459 Comment
  SBBG231  Myriopteris clevelandii A. Lefebure -Mar-1942 4810 Riverside Hemet side of San Jacinto Mtns Comment
  SD181816  Myriopteris clevelandii Scott D. White, Teresa Salvato 2001-6-8 8590 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 334 Comment
  SDSU13692  Myriopteris newberryi James C. Dice, Tu Chung 1987-10-19 738 C Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 329 Comment
  SD9581  Myriopteris viscida S. B. Parish, W. F. Parish Mar 1881 Riverside Whitewater, desert side of San Bernardino Mountains Comment
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Jan 14 2010
  RSA0123350  Nama demissa Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9033 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
  RSA676162  Nama demissa Scott D. White 2001-4-3 8240 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  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
  UCR254220  Nama demissa Dave Silverman, Onkar Singh 2010-3-26 7838 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 1.0 km east of Black Creek Rd, 5.6 km west of McCoy Wash, and 8.6 km north of I-10 152 Comment
  UC70887  Nassella cernua H. M. Hall 1902-4-26 2977 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  RSA501006  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3124 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA802091  Nasturtium aquaticum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4988 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA543870  Navarretia fossalis Steve Boyd, Dave Bramlet 1991-5-13 6229 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR114959  Navarretia fossalis Fred M. Roberts 1992-4-25 4871 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR70514  Navarretia fossalis D. E. Bramlet 1991-6-20 2201 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 8m east of Davis Rd & 150 m north of the San Jacinto River levee. Old river bed beside the channelized area of the river. 475 Comment
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  UCSB13098  Nemacaulis denudata var. gracilis Dearing, Hugh; Dearing, Margaret 1942-2-3 Riverside Colorado Desert, Cathedral City Comment
  JOTR29379  Nemacladus glanduliferus La Doux, Tasha, Mike Bell 2006-5-10 1456 Riverside Joshua Tree National Park. Little San Bernardino Mountains; East Deception Canyon Comment
  HSC85393  Nemacladus longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  UCR92485  Nemacladus orientalis 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
  SEINET10461124  Nemacladus rubescens Mason 1952-4-7 Mason 14211 Riverside Palm Canyon, Palm Springs Comment
  JEPS7616  Nemacladus tenuis var. tenuis E. E. Schellenger Apr 1920 Riverside Chuckwalla Bench; Colorado Desert Comment
  RSA767265  Nemacladus tenuis var. tenuis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10883 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  POM3489  Nemophila menziesii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  RSA0105076  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah Stevens 2003-4-4 97 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 536 Comment
  SDSU18390  Nemophila menziesii var. menziesii C. Matt Guilliams 2008-2-21 465 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  POM157926  Nemophila pedunculata P. A. Munz 1927-5-21 10845 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UC303680  Nicotiana attenuata S. B. Parish 1900-1 4435 Riverside Strawberry Valley; San Jacinto Mts. Comment
  RSA0054919  Nicotiana attenuata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  RSA587421  Nicotiana glauca D. L. Banks, Steve D. Boyd 1995-6-2 565 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands. 902 Comment
  CHSC64673  Nicotiana obtusifolia Chris Dietrich; M. Merello, H. Schmidt 1994-4-12 20 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along wash. 380 Comment
  UCR35273  Nicotiana quadrivalvis L. B. Ziegler 1967-11-7 261 Riverside San Jacinto Mtns., Poppet Flats area 915 Comment
  CAS-BOT-BC71173  Notholaena californica Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  UC218606  Notholaena californica Ivan Johnston 1917-4-4 Riverside Palm Canyon 304 Comment
  UCR240762  Notholaena californica subsp. californica A. C. Sanders, John F. Green 2012-3-21 39980 Riverside Peninsular Range; Gavilan Hills, Good Hope area, under powerlines south of dirt extension of Ethanac Rd. and north of Richard St., between Hwy 74 & San Jacinto River, 3.7 mi. SW (216 deg. ) of central Perris 475 Comment
  UCR244472  Oenothera californica Jim Andre 2012-4-16 20943 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  JOTR16763  Oenothera californica subsp. avita Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO STUBBE SPRING 1341 Comment
  POM3078  Oenothera californica subsp. californica Jenkins, Street 1955 Riverside San Jacinto River Canyon. Comment
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Mar 1 2014
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA72193  Oenothera californica subsp. californica F. W. Peirson 1914-04 387 Riverside Beaumont, San Gorgonio Pass. Comment
  CSUSB206  Oenothera deltoides Sally Bell 1964-3-15 Riverside Cathedral City, in dry wash about 300 yards behind Travel Lodge Trailor Park off Highway 111. 91 Comment
  SEINET1906292  Oenothera deltoides Sarah J. De Groot, J. Mark Porter 2006-1 5201 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  UCR214714  Oenothera deltoides A. C. Sanders 2010-3-23 37548 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR113976  Oenothera elata subsp. hirsutissima Mitch Provance 2000-6-24 2044 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  POM14009  Oenothera primiveris subsp. bufonis P. A. Munz, D. D. Keck 1922-4-9 4748 Riverside Shavers Well, near Mecca. 76 Comment
  SD114198  Oenothera primiveris subsp. caulescens Darley F. Howe 1949-3-21 1957 Riverside 3.0 miles west of Blythe. Comment
  RSA727866  Oligomeris linifolia Naomi Fraga, Lisa Rojas 2005-2-10 1356 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SBBG3754  Olneya tesota H. and M. Dearing 1940-6-7 4337 Riverside Box Cyn, near Mecca Comment
  UCSB24683  Olneya tesota McMinn, Howard 1937-3-6 Riverside Blythe CA, to Needles CA Comment
  VVC234  Olneya tesota Frank Awbrey 1959-4-24 s.n. Riverside 17.7 miles east of Mecca on St Hwy 195 at E end of Box Cyn 366 Comment
  CAS-BOT-BC349930  Oncosiphon piluliferum Scott D. White; Justin Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  RSA666778  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24176 Riverside Romoland, onramp to Hwy 215 from Hwy 74, just east of 215. 434 Comment
  SBBG133378  Oncosiphon piluliferum S. Boyd 2003-4-30 10507 Riverside Mira Loma, along Hwy 60 at onramp from Etiwanda Ave to Hwy 60 westbound Comment
  SEINET3071813  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17499 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  POM314609  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  SEINET10732264  Opuntia parryi Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 691 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  RSA285347  Opuntia phaeacantha Lyman Benson 1955-12-6 15625 Riverside Whitewater River canyon 5 miles above US 99. 610 Comment
  UCR35210  Orobanche californica subsp. feudgei L. B. Ziegler 1972-6-14 483 Riverside San Jacinto Mtns, Hemet (= Garner) Valley. 1402 Comment
  CAS-BOT-BC499740  Orobanche californica subsp. feudgei H. M. Hall 1901-6-1 2135 Riverside San Jacinto Mountains, eastern base, along the borders of the Colorado Desert Comment
  CLARK-A1045-166  Orthocarpus densiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q 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
  UC849856  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat San Jacinto Mts. 1402 Comment
  SD217338  Paeonia californica Steve Boyd, Tim Toss and Orlando Mistretta 1992-2-2 6660 Riverside San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  UC1126130  Paeonia californica C. Van Fleet 1931-1-19 2 Riverside mesa w Red Mountain; San Jacinto Quadrangle Comment
  RSA775094  Palafoxia arida Duncan S. Bell, Amber Swanson 2011-2-18 2036 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  SBBG35133  Palafoxia arida T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  UCR1212  Palafoxia arida Martha McCarthy 1960-3-13 s.n. Riverside Western Colorado Desert, [near Whitewater] side of Hwy 60/99 [now I-10], 2 miles past [east of] the Palm Springs cut-off [approx Hwy 111 junction] 396 Comment
  UCR134598  Palafoxia arida Marisa Sripracha, Kyle Boyd 2004-2-14 014 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  SEINET10799065  Palafoxia arida David B. Dunn, Howard Brown 1947-2-9 Dunn 2854 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  RSA363749  Palafoxia arida var. arida R. Sorg 1981-5-9 72 Riverside Interstate of Pierson Blvd and Little Morango Rd. 305 Comment
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Dec 4 2014
  RSA92216  Palafoxia arida var. arida F. W. Peirson 1924-12-30 5426 Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  UC1922850  Panicum acuminatum Scott D. White, Jennifer H. Jones 2005-5-25 11112 Riverside Santa Ana Mountains: Rainbow area; mountain foothills west of I-15 Freeway and immediately N of San Diego County line. Temecula 7.5' Quad. Comment
  POM366029  Panicum urvilleanum Martha Hilend 1928-3-11 105 Riverside About 6 miles SE of Garnet Station Comment
  UC912656  Panicum urvilleanum H. L. Mason 1928-3-10 4197 Riverside Whitewater River Comment
  UCR214015  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37793 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
  RSA448022  Parietaria hespera var. hespera E. S. Spalding 1926-2-14 15046 Riverside Palm Canon. Mesophytic habitat. Comment
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Sep 10 2011
  UCR251898  Parkinsonia florida Jim Andre 2013-3-27 24821 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  UCSB17562  Parkinsonia florida Winn, Will 1963-4-8 Riverside 31 mi. E of Desert Center on U.S. Highway 60-70 243 Comment
  UCR92095  Paspalum distichum Scott D. White, S. Ogg 1994-10-17 2486 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  UCR239844  Paullinia pinnata O. F. Clarke 2003-9-3 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR274822  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-10-18 119 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 109 Comment
  RSA780560  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 60 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  UCR18123  Pectocarya linearis A. C. Sanders 1978-3-26 0830 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  HSC3749  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-16 24180 Riverside 0.25 mi. W of Aguanga Comment
  RSA0013702  Pectocarya penicillata LeRoy Gross, Grace Cho 2013-4-9 5997 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
  SDSU21548  Pectocarya penicillata Mary V. Hood 1945-3-25 Riverside Aguanga, Riverside Co. 597 Comment
  SEINET7073290  Pectocarya penicillata A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR21023  Pectocarya penicillata A. C. Sanders 1980-5-19 1497 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  RSA795743  Pectocarya platycarpa J. Andre 2012-3-19 21314 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UC1178536  Pectocarya platycarpa Peter Kamb 1948-4-11 886 b Riverside 5 mi e Garnet (Aqueduct rd); Coachella Valley 30 Comment
  UCR256746  Pectocarya recurvata T. B. Salvato, Matthew Malle 2013-4-11 7535 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  UCR60255  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3198 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  UCR85147  Pectocarya recurvata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16080 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SEINET9337992  Pectocarya setosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR261101  Pellaea andromedifolia Joseph Cahill 2011-1-29 111- 18 Riverside San Bernardino Mountains/Sonoran Desert, Whitewater Canyon Road, c. 2.2 miles north of Hwy 10 518 Comment
  SBBG35016  Pellaea mucronata T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  UCR163398  Pellaea mucronata O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA686922  Pellaea mucronata subsp. californica T. R. Pray 1956-11-11 1057 Riverside Santa Rosa Mountain, S side of summit ridge 2439 Comment
  IRVC3153  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  JEPS7549  Penstemon clevelandii var. connatus W. L. Jepson May 17 1901-Jun 1 1901 1339 Riverside Palm Canyon of Mt. San Jacinto Palm Canyon of Mt. San Jacinto and ret to Van Deventer's (and return to Van Deventer's) 914 Comment
  NY583957  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25287 Riverside Route 74, above Ribbonwood, east of San Jacinto Range 1402.1 Comment
  SEINET3078489 Image available Penstemon grinnellii Art Whistler 1966-6-23 Riverside Along roadside, Calif. Hwy 2 near intersection of Angeles Crest Hwy and Foothill Blvd. 1067 Comment
  UCR167868  Penstemon grinnellii T. B. Salvato, John F. Green 2004-5-27 574 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SD232337  Penstemon heterophyllus Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA6012  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA68357  Penstemon labrosus Verne Grant, Alva Grant 1951-7-20 16099 Riverside Idyllwild 1646 Comment
  JEPS13908  Penstemon rostriflorus I. W. Clokey, E. G. Anderson 1935-8-2 6903 Riverside Fuller's Creek San Jacinto Mts., Fuller's Creek 1500 Comment
  UC1012298  Penstemon spectabilis F. W. Pennell and A. L. Grant 1940-4-28 25279 Riverside Route 74, 7-8 mi e Hemet; e of Hemet 548 Comment
  NY661194  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-4-28 25279 Riverside Route 74, 7-8 miles east of Hemet 548.6 Comment
  UCR262255  Pentachaeta aurea T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3731 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
  SD140250  Pentagramma triangularis Scott White 1993-4-22 1237 Riverside North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCR123858  Pentagramma triangularis Steven R. Hill 2001-5-3 33664 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
  RSA0070724  Pentagramma triangularis E. W. Lathrop 1968-5-22 6921 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC71578  Pentagramma triangularis subsp. maxonii Elizabeth Parsons Hawver 1917-3-29 s.n. Riverside Palm Springs Comment
  SEINET3154048  Pentagramma triangularis subsp. maxonii S. B. Parish 1907-4-18 6114 Riverside Western base of the Colorado Desert 200 Comment
  RSA0042163  Peritoma arborea Duncan S. Bell, Evan Meyer 2014-4-2 6523 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  POM293688  Perityle emoryi Lyman Benson 1949-3-28 13569 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  RSA0026197  Perityle emoryi J. Andre 2013-3-4 23875 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  RSA4935  Perityle emoryi C. B. Wolf 1932-4-27 3062 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  SEINET201068  Perityle emoryi H. E. Parks Riverside Mouth of Santa Rosa Canyon near Indio. Comment
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Mar 20 2014
  UC35634  Perityle emoryi S. B. Parish Apr 4 1896-Apr 13 1896 4147 Riverside Agua Caliente, desert base of San Jacinto Mt. San Jacinto Mt., Palm Springs 152 Comment
  UCD134885  Perityle emoryi David Charlton 1988-2-18 1121 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 1 mile east of Jct Dillon Road and Fargo Canyon Road. 609 Comment
  CAS-BOT-BC419047  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  RSA795941  Petalonyx thurberi Duncan S. Bell 2009-4-19 279 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA652293  Petalonyx thurberi subsp. thurberi Toppenberg 1961-5-5 s.n. Riverside Hwy 74 Palms to Pines, near Palm Desert. Comment
  RSA444309  Peucephyllum schottii Walter Wisura 1988-3-1 4180 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA703736  Peucephyllum schottii LeRoy Gross 2005-3-3 1568 Riverside Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA721892  Peucephyllum schottii J. Mark Porter, Orlando Mistretta 2003-6-5 13611 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  SBBG62763  Peucephyllum schottii M. N. Ackley 1928-3-31 303 Riverside Hidden Spring 304 Comment
  UC64053  Phacelia H. M. Hall 1897-3-10 381 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  POM211621  Phacelia affinis A. M. Alexander, Louise Kellogg 1941-5-5 2123 Riverside Los Horse Valley. 1280 Comment
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Feb 4 2013
  UCR162621  Phacelia affinis Nathan Moorhatch 2003-3-19 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Cathedral City, Whitewater River channel at Date Palm Drive 91 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
  RSA427704B  Phacelia ambigua Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  JEPS1555  Phacelia brachyloba W. L. Jepson May 17 1901-Jun 1 1901 1282 Riverside near Strawberry Valley; Mt. San Jacinto, San Jacinto Canyon Comment
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Jul 8 2014
  RSA736783  Phacelia brachyloba Scott D. White, Angelia Carey 2004-7-2 10554 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CLARK-A1656-870  Phacelia campanularia Lois Ann Scott 1977-12-2 Riverside Big Morongo Canyon Comment
  RSA427701  Phacelia campanularia N. C. Cooper 1944-5-21 11266 Riverside San Jacinto Mountains, west side. 1220 Comment
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Nov 26 2011
  RSA4951  Phacelia campanularia Carl B. Wolf 1932-4-27 3047 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  SDSU18658  Phacelia campanularia subsp. campanularia Michael G. Simpson, Kristen Hasenstab 2008-4-2 2948 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  RSA21378  Phacelia campanularia subsp. vasiformis Carl B. Wolf 1937-5-4 8523 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  RSA81018  Phacelia campanularia subsp. vasiformis G. R. Campbell 1952-4-6 18406 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  JEPS2191  Phacelia cicutaria var. hispida M. French Gilman 1845-1 714 Riverside Palm Springs (of Mt. San Jacinto) Mt. San Jacinto Comment
  UCR241243  Phacelia cicutaria var. hispida Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 510 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  UCR25799  Phacelia crenulata var. ambigua John C. Roos, Lucille Roos 1949-4-6 4140 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  JOTR34145  Phacelia crenulata var. minutiflora La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3162 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  UCR254600  Phacelia crenulata var. minutiflora Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24386 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  CAS-BOT-BC133971  Phacelia distans E. A. McGregor 1917-3-9 2057 Riverside Indio Comment
  CLARK-A1703-27  Phacelia distans Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  JEPS2379  Phacelia distans Dr. L. M. Newlon 1922-4-3 437 Riverside Andreas Canyon San Jacinto Mts. Comment
  RSA770317  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4408 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
  UC56705  Phacelia distans Geo. R. Hall 1901-3-17 Riverside Riverside 304 Comment
  UC1979608  Phacelia imbricata subsp. patula D. L. Banks, Victor Steinmann 1995-7-10 0742 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. Comment
  RSA407214  Phacelia ivesiana E. C. Jaeger 1949-3-12 s.n. Riverside Black Eagle Well, Pinto Basin, Colorado Desert. Riverside County. alt 1400ft 427 Comment
  CAS-BOT-BC145043  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  UCR121194  Phacelia minor D. E. Bramlet 1997-3-13 2487 Riverside Perris-Aguanga Basin region, Lake Skinner Co. Park, knoll at NE end of the Equestrian Trail, 1,600 ft. (~0.3 mi.) north of Tucalota Creek and 5,400 ft. (~ 1 mi.) east of Lake Skinner. 500 Comment
  UCR176913  Phacelia minor Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  RSA428263  Phacelia minutiflora N. C. Cooper 1949-4-8 3293 Riverside Desert Center. 610 Comment
  UC2061795  Phacelia neglecta Susan Fawcett, B. G. Baldwin 2017-5-14 766 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA0121175  Phacelia pedicellata Duncan S. Bell, LeRoy Gross 2016-3-30 9175 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  POM10401  Phacelia ramosissima var. latifolia Charlotte M. Wilder 1903-4-23 165 Riverside Wilder s canyon, Jurupa Hills, near Riverside. Comment
  RSA650562  Phacelia ramosissima var. latifolia Jeanne Bellemin 1969-5-24 s.n. Riverside Idylwild to Banning. 976 Comment
  UCR151063  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  UC699662  Phacelia suaveolens var. keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak Santa Ana Mts. (type locality) 1219 Comment
  LA102217  Phalaris lemmonii John C. Roos; 1966-3-24 sn Riverside Winchester (near Hemet) Comment
  UCR220338  Phalaris lemmonii D. E. Bramlet 1991-5-7 2128 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR97271  Phalaris lemmonii Scott D. White 1993-4-25 1272 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
  UCR251303  Phalaris minor T. B. Salvato, Matthew Malle 2014-4-8 7828 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  POM14420  Phalaris minor P. A. Munz, I. M. Johnston 1922-5-19 5381 Riverside 8 miles NE of Murietta. 412 Comment
  RSA666711  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley: west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd., 33 deg 44.5'N, 117 deg 02'W; T5S R1W S7 SW/4 of SW/4; T5S R5W S12, SE/4 of SE/4) 457 Comment
  UC11469 Image available Philadelphus microphyllus var. stramineus H. M. Hall 1901-7 2500 Riverside Vicinity of Tamarack Valley, San Jacinto Mountains Comment
  RSA91911  Phleum alpinum F. W. Peirson 1924-7-27 4996 Riverside Deer Springs, San Jacinto Mountains 2668 Comment
  UCR35056  Phlox austromontana L. B. Ziegler 1972-5-4 450 Riverside San Jacinto Mountains, near and above Morris Ranch area 1524 Comment
  UC2030089  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside SOUTH OF HEMET: Gibbel Flat: in the Santa Rosa Hills. Comment
  RSA674927  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA49358  Pholistoma membranaceum P. A. Munz 1949-4-11 13008 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  UCR19575  Pholistoma membranaceum I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  SBBG61544  Phoradendron bolleanum R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  CAS-BOT-BC135071  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Palm Springs and Keen Camp, State Hwy. 74 Comment
  LA209827  Phoradendron californicum Mary V. Hood; 1944-4-7 44- 26 -k* Riverside Pines to Palms Highway 609 Comment
  RSA189406  Phoradendron californicum L. S. Rose 1966-12-11 s.n. Riverside Palm Springs. 152 Comment
  UC848865  Phoradendron californicum N. Dunn and A. M. Martin 1932-3-26 Riverside Shavers Well Comment
  UCR123874  Phoradendron californicum Steven R. Hill 2001-4-29 33535 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  SBBG61547  Phoradendron juniperinum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  UCD105049  Phoradendron juniperinum K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 17 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (I-10). 1632 Comment
  UC1078933  Phoradendron macrophyllum Job Kuijt 1958-3-14 1498 Riverside Strawberry Creek, Hwy. 74 914 Comment
  UCR100048  Phoradendron tomentosum subsp. macrophyllum Scott D. White 1993-2-2 1042 Riverside Peninsular Range; Perris-Aguanga Basin Region, Wilson Creek, at point where it crosses Sage Rd (Hwy R3), c. 2 rd. miles north of Radec Comment
  UCR111509  Phoradendron villosum A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA97450  Phoradendron villosum F. W. Peirson 1924-7-28 5009 Riverside Pine Flats Camp 1799 Comment
  UCR94624  Physalis Rudy Ruibal 1996-8-9 s.n. Riverside Riverside: Residence of R. Ruibal Comment
  RSA26277  Physalis crassifolia Reid Moran 1941-5-5 857 Riverside Cottonwood Pass, Eagle Mtns. Comment
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Nov 22 2011
  UCR85249  Physalis crassifolia A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, et al. 1995-3-5 15989 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR1453  Picris echioides Joyce Kleinjan 1961-5-7 s.n. Riverside San Bernardino Valley, Riverside, 1012 Spruce St., 200 ft. south of street [O.F. Clarke residence] 351 Comment
  UCR275360  Picris echioides T. B. Salvato, Melissa Clemons 2005-6-9 1503 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  JEPS47875  Pinus coulteri W. L. Jepson and H. M. Hall 1901-5-20 1313 Riverside Chalk Hill to Thomas Valley; Mt. San Jacinto Range Comment
  RSA67677  Pinus edulis Verne Grant 1951-7-23 16111 Riverside Hillside in narrow canyon, several miles east of Anza on road to Hwy 74. 762 Comment
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Mar 23 2014
  CAS-BOT-BC78594  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  CLARK-A1656-883  Pinus flexilis Jim Cornett 1977-10-7 Riverside San Jacinto Mountains 2590 Comment
  JEPS46817  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
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Apr 11 2014
  SD229027  Pinus jeffreyi Dick Schwenkmeyer 2012-8-27 797 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road' 7.5 miles north of Idyllwild. 1887 Comment
  RSA658964  Pinus lambertiana Diane M. Ramirez 1983-5-15 33 Riverside Ca Hwy 243, 1/2 mi S of Junction with Poppet Flat Divide Truck trail. Comment
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Mar 27 2014
  UC400328  Pinus lambertiana H. M. Hall 1901-1-1 2318 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  CAS-BOT-BC72841  Pinus quadrifolia Ellsworth Bethel 1918-5-11 s.n. Riverside 35 mi. E of San Jacinto, Nigger Jim Hill Comment
  NY62124  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR103792  Piptatherum miliaceum Scott D. White 1994-10-21 2510 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  RSA601099  Plagiobothrys arizonicus A. C. Sanders, J. Goetzen 1996-5-1 18139 Riverside San Bernardino Mtns: Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning 793 Comment
  SBBG100815  Plagiobothrys arizonicus W. L. Halvorson 1977-3-13 77 -178 Riverside near Temecula Comment
  RSA0039456  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40731 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  RSA614172  Plagiobothrys canescens D. L. Banks 1997-2-23 1287 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA691055  Plagiobothrys canescens Scott D. White, Michael Honer 2003-4-9 8971 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  UCR112003  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2000-5-25 23422 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
  UCR172201  Plagiobothrys canescens John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA715307  Plagiobothrys collinus var. californicus John Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W. 366 Comment
  RSA0012077  Plagiobothrys leptocladus Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR97261  Plagiobothrys leptocladus Scott D. White 1993-3-12 1155 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  SEINET10456329  Plagiobothrys leptocladus John C. Roos 1952-4-23 Roos 5572 Riverside 1 mile southeast of Perris. 427 Comment
  POM184250  Plagiobothrys nothofulvus P. A. Munz 1932-3-24 12013 Riverside Corona 366 Comment
  RSA85111  Plagiobothrys nothofulvus J. C. Roos 1952-4-16 5559 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  UCR58499  Plagiobothrys nothofulvus Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  HSC92524  Plagiobothrys stipitatus D. Atwood, L. Stritch 1993-4-2 17895 Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administrated lands 671 Comment
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May 15 2015
  RSA574743  Plantago erecta Steve Boyd 1982-3-30 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively mined area. 427 Comment
  UCR171968  Plantago erecta John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR172285  Plantago erecta 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
  UCR228855  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  JOTR28953  Plantago ovata La Doux, Tasha 2005-3-30 1189 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR31890  Plantago ovata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2140 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash Comment
  UCR148304  Plantago ovata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR245919  Plantago ovata Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3957 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., [NE] of Shaver Well on an alluvial plain 323 Comment
  RSA475296  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2104 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA682163  Plantago patagonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10500 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
  SD133046  Plantago patagonica Scott White 1991-5-13 91 78 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UC1618005  Plantago patagonica Donald G. Nelson 1936-5-24 417 Riverside Hurkey Creek Camp Comment
  UCR132907  Plantago patagonica 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
  RSA162787  Platanthera leucostachys John Olmsted 1959-7-1 710 Riverside Deer Spring; N of Idyllwild along Deer Springs trail to San Jacinto Peak, San Jacinto Mountains. N Fork San Jacinto River Drainage Area. 2591 Comment
  RSA180285  Platanus racemosa E. W. Lathrop 1964-5-10 5365 Riverside 10 miles west of Murrieta. 610 Comment
  UCR208855  Platanus racemosa C. B. Wolf 1932-5-24 3647 Riverside Peninsular Range; San Jacinto Mtns., Snow Creek Canyon, 1/2 mile below the fish hatchery, north base of San Jacinto Mtn. 549 Comment
  CAS-BOT-BC91877  Platystemon californicus Munz; Harwood 1920-3-20 3395 Riverside 5 miles south of Carona. 304 Comment
  UCR126439  Platystemon californicus T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 66 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  RSA780227  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 104 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  RSA796019  Pleuraphis rigida Duncan S. Bell 2009-4-18 233 Riverside Arica Mountains; northeast of range, approximately 1 air mile south of the ghost town of Rice. 248 Comment
  RSA152502  Pleurocoronis pluriseta R. C. Bacigalupi 1953-4-20 4044 Riverside Close to head of Lost Palms Canyon, 3 miles N of Shavers Summit, Joshua Tree National Monument. 762 Comment
  RSA695628  Pleurocoronis pluriseta J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  SD187361  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, et al. 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. 402 Comment
  UCR233545  Pleurocoronis pluriseta Jim Andre, Glenn L. Clifton 2011-2-22 17418 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  JEPS40452  Pluchea odorata var. odorata Marjorie Clary 1928-10-12 345 Riverside Thermal Comment
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Aug 27 2016
  UC485232  Pluchea sericea unknown May 1 1906-May 10 1906 1010 -6754 Riverside Palm Springs Colorado Desert Comment
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Apr 17 2011
  UC829264  Pluchea sericea Louis C. Wheeler 1932-7-9 940 Riverside 3 mi below Prado; Santa Ana River Canyon 152 Comment
  UC88356  Pluchea sericea unknown 60 Riverside Salt Creek Comment
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Mar 12 2011
  PASA1246  Poa bigelovii Frank W. Peirson 1921-3-22 Riverside Murray Canyon 457 Comment
  RSA747968  Poa bulbosa Justin M. Wood 2009-5-11 686 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA714375  Poa pratensis T. B. Salvato, John Green 2004-5-27 608 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
  UC1930101  Poa secunda Scott D. White, Justin Wood 2008-6-16 12147 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR21204  Poa secunda A. C. Sanders 1980-5-1 1376 Riverside San Jacinto Mountains, Garner Valley, off Morris Ranch Road, 2.2 mi north of Kenworthy Ranger Station 1616 Comment
  RSA91514  Poa secunda F. W. Peirson 1921-3-22 5368 Riverside Murray Canyon, near Palm Springs 396 Comment
  CAS-BOT-BC242993  Poa secunda subsp. secunda S. B. Parish 1907-4-18 6141 Riverside White [Whitewater?] Canyon, Palm Springs, W edge of Colorado Desert 200 Comment
  UCR2698  Poa secunda subsp. secunda F. M. Reed 1908-7-10 2554 Riverside San Jacinto Mtns, big meadow in Round Valley 2744 Comment
  UC219083  Polygonum bistortoides P. A. Munz 1922-7-6 6001 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  UC64590  Polygonum douglasii subsp. douglasii H. M. Hall July 1901 Riverside San Jacinto Mountains; meadow of w side 2286 Comment
  POM224746  Polygonum lapathifolium P. A. Munz 1935-10-21 14653 Riverside Santa Ana River, below Rincon. Comment
  CLARK-A1528-31  Polypodium californicum Ruth Cooper 1952-6-3 644 a Riverside Box Springs Mountains Comment
  SBBG55018  Polypodium californicum D. Keil, M. McLeod 1977-3-26 12005 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  UCR178352  Polypodium californicum Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1061 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SBBG94638  Polypogon monspeliensis S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  IRVC174  Polystichum imbricans subsp. curtum Mike McCartin 1965-4-24 HS 551 Riverside highway 74; Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  SD229275  Populus fremontii Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 893 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SBBG125914  Populus fremontii subsp. fremontii L. Gross with B. O'Brien 2013-3-18 5951 Riverside Fairmount Park, W side of Lake Evans, NE of Mount Rubidoux 238 Comment
  UC213651  Potamogeton crispus S. B. Parish 1919-4-19 19248 Riverside Santa Ana River near Corona; Santa Ana River Comment
  UCR202596  Potamogeton foliosus var. foliosus Scott D. White, Justin M. Wood 2008-7-9 12433 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  SD90366  Potamogeton pusillus Robert F. Thorne, E. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado, behind the dam 625 Comment
  POM366581  Potentilla gracilis var. elmeri M. B. Dunkle 1933-7-20 3698 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CAS-BOT-BC356218  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 762 Comment
  CAS-BOT-BC356219  Prenanthella exigua Roxana S. Ferris 1939-3-29 9716 Riverside Spur of the Eagle Mountains six to eight miles south of east portal of Eagle Mountains Tunnel on Desert Center-Rice road Comment
  UCR45120  Prosopis glandulosa L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA87021  Prosopis glandulosa var. torreyana F. W. Peirson 1920-6-22 4068 Riverside Temescal Canyon north of Elsinore 290 Comment
  POM296501  Prunus fasciculata Lyman D. Benson 1945-3-29 11631 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  UCR260293  Prunus fasciculata A. C. Sanders, Jim Malusa 2015-3-9 41366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  SD229262  Prunus fremontii Dick Schwenkmeyer 2013-6-11 912 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  POM6913  Psathyrotes ramosissima P. A. Munz, Williams, Street 1919-3-28 2382 Riverside Between Palm Springs & Indio 183 Comment
  UC724348  Psathyrotes ramosissima Aven Nelson, Ruth A. Nelson 1939-3-29 3312 Riverside from Mecca to Hidden Springs Comment
  UCR128938  Psathyrotes ramosissima Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  JOTR35159  Pseudognaphalium canescens Harding, Mitzi, T. Herskovits 2011-9-14 158 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1304 Comment
  UCR280937  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 13 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  JOTR30789  Pseudognaphalium luteoalbum La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2096 Riverside Joshua Tree National Park. Eagle Mountains; Cottonwood Oasis 914 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
  UCR110457  Psilocarphus brevissimus D. E. Bramlet 1998-4-22 2607 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  JEPS41644  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-11 6024 Riverside Cottonwood Mts. , Cottonwood Mts. (Colorado Desert) Comment
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  CAS-BOT-BC353631  Psorothamnus emoryi Alice Eastwood 1913-4-30 3000 Riverside Palm Springs Comment
  CAS-BOT-BC353635  Psorothamnus emoryi J. Beley 1975-4-24 1531 Riverside 10 miles north of Palm Springs along paved T/L access Comment
  CAS-BOT-BC353636  Psorothamnus emoryi R. Freeman 1976-10-2 2157 Riverside South of I-10, N of Mule Mountains Comment
  LA205189  Psorothamnus emoryi A. M. Johnson; 1933-4-28 4225 Riverside below Palm Springs, over mountains to Hemet Comment
  OBI13264  Psorothamnus emoryi H. E. McMinn 1935-6-27 4072 Riverside Palm Cyn Comment
  RSA113920  Psorothamnus emoryi Percy C. Everett, E. K. Balls 1956-5-2 21552 Riverside 2+ mi. N from turn-ogg Hwy 60/70 W of Desert Center, to Eagle Mt. Pumping Stn. 259 Comment
  RSA707352  Psorothamnus emoryi Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 07 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
  RSA796322  Psorothamnus emoryi Duncan S. Bell 2009-4-18 211 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  CAS-BOT-BC340894  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 a Riverside Palm Canon [Canyon] Road to Palm Springs Comment
  CAS-BOT-BC340914  Psorothamnus schottii E. H. Daniels; J. Bates 1937-5-3 s.n. Riverside Colorado Desert: Box Canyon, on road from Mecca to Shaver's Well Comment
  RSA404244  Psorothamnus schottii Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  RSA404247  Psorothamnus schottii A. Menke 1955-4-26 s.n. Riverside 3 mi. E of Shavers Well. Comment
  SEINET2063921 Image available Psorothamnus schottii Unknown 1965-3-7 Riverside Directly 3 miles E of Thousand Palms. 91 Comment
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Mar 22 2019
  UC50193  Psorothamnus schottii L. D. Copeland Apr. 1904 4 Riverside West Canyon , West Canyon (Palm Springs) Comment
  UC68510  Psorothamnus schottii H. M. Hall 1905-4-1 5973 Riverside Chuckawalla Mt. , Chuckawalla Mt. (Colorado Desert) Comment
  CAS-BOT-BC421255  Pterostegia drymarioides Peter Kamb 1948-5-2 930 Riverside North slopes of the San Jacinto Mts above Banning 1066 Comment
  CAS-BOT-BC421256  Pterostegia drymarioides Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA27013  Pterostegia drymarioides C. L. Hitchcock 1940-4-1 5909 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA771347  Pulicaria paludosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4530 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA658  Pycnanthemum californicum J. T. Howell 1928-7-7 1032 Riverside Near Glen Ivy. 457 Comment
  UCR81114  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 Riverside Southern Santa Ana Mountains, San Mateo Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 671 Comment
  UC218157  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2743 Comment
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  RSA228807  Quercus agrifolia var. agrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 606 Riverside Cleveland National Forest, ca. 8 mi. south of Lake Elsinore; off Forest Route 7S04. 488 Comment
  CAS-BOT-BC126763  Quercus berberidifolia A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37712 B Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, along dirt road north of Concordia Ranch Rd, and east of Black Powder Rd. 379 Comment
  UCR140300  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR149943  Quercus berberidifolia Scott D. White 2004-10-8 10775 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  RSA761231  Quercus chrysolepis Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 724 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR231039  Quercus chrysolepis A. C. Sanders, Kent Beaman 2011-9-27 39917 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  UCR96261  Quercus chrysolepis Scott D. White 1996-8-1 4443 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  SACT002624  Quercus chrysolepis A. Delisle 1961-6-25 Riverside Moist slope mostly in cooler areas. Comment
  UCSB58830  Quercus cornelius-mulleri Muller, Cornelius 1941-8-10 Riverside San Jacinto Mtns, 12 miles S.E. of Keen Camp Comment
  UC404011  Quercus john-tuckeri Dr. D. P. Barrows before Aug 1898 3 Riverside Cahuilla Indians Comment
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Feb 14 2013
  RSA741573  Quercus palmeri Scott D. White, Justin M. Wood 2008-6-17 12166 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC936255  Quercus palmeri James E. Cole 1947-2-6 1001 Riverside Lower Covington Flat, San Bernardino Base and Meridian Joshua Tree National Monument 1463 Comment
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Jul 27 2009
  UCD170548  Quercus wislizeni var. wislizeni D. O. Burge 2017-5-20 2276 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  RSA525415  Rafinesquia californica Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4523 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  RSA660563  Rafinesquia californica Bruce Albert 1982-4-17 41 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  UCR152520  Rafinesquia californica A. C. Sanders 2005-4-22 29592 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  JOTR35057  Rafinesquia neomexicana La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3509 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
  OBI8324  Rafinesquia neomexicana David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12065 Riverside Joshua Tree Natl Monument along Pinto Basin Rd. 2 mi N of Cottonwood campgrounds Comment
  RSA778629  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 70 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SBBG46757  Rafinesquia neomexicana Leota Davidson 1966-4-6 109 Riverside ca. 0.5 mi W Wiley Well Rd, at second intersection S of Interstate 10, Chuckwalla Mtns Comment
  UCR166548  Rafinesquia neomexicana Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10884 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA0130723  Rafinesquia neomexicana Glen Rink, K. Routsen 2013-3-19 11886 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  CAS-BOT-BC378982  Ranunculus aquatilis var. diffusus E. W. Lathrop 1965-5-18 s.n. Riverside 8 mi west of Murrieta 488 Comment
  UC64124  Ranunculus californicus H. M. Hall Riverside meadows near Hemet Valley; San Jacinto Mts., Johnston Ranch 1463 Comment
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Mar 25 2011
  UCR256900  Ranunculus californicus var. californicus LeRoy Gross, Caitlin Elam 2013-5-14 6072 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  RSA0019612  Ranunculus eschscholtzii var. oxynotus H. M. Hall 1901-07 2414 Riverside San Jacinto Mountains, near the summit. 3293 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
  UC1537011  Rhamnus crocea Gordon H. True Jr. 1935-4-5 217 Riverside Gavilan Peak Gavilan Hills 609 Comment
  UCR249823  Rhamnus crocea T. B. Salvato, John Lovio 2013-3-19 7361 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR117097  Rhamnus ilicifolia A. C. Sanders, T. B. Salvato 2001-5-16 24290 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
  UCR139048  Rhamnus ilicifolia D. L. Banks 1997-3-1 1354 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  LA62888  Rhus aromatica Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UCR234755  Rhus aromatica A. C. Sanders, John F. Green 2012-6-25 40300 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  CHSC26488  Rhus ovata James Henrickson 1970-4-10 4530 Riverside 8 air miles ESE of Temecula along Hwy. 71-79; 542 Comment
  HSC101783  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13189 Riverside Along State Route 74 1227 Comment
  RSA0060481  Rhus ovata J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA6101  Rhus ovata C. B. Wolf 1932-5-24 3643 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  RSA628885  Rhus ovata A. C. Sanders 1994-5-29 14549 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  SDSU12886  Rhus ovata Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998B Riverside Creekbed due south of SDSU Santa Margarita Field Station; ca 1000 feet southewest on road to switchback bend, then ca. 800 feet northeast down to creekbed, north side of road. 238 Comment
  UC17948  Rhus trilobata H. M. Hall June, 1901 Riverside s slopes in vicinity of Chalk Hill; San Jacinto Mountains 1371 Comment
  IRVC92  Rhus trilobata var. quinata Charley Ford 1965-4-20 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA162690  Ribes malvaceum var. viridifolium J. D. Olmsted 1960-2-22 1104 Riverside Up Tin Mine Canyon, first side canyon to the left with mining lcaim past jct with Hgador Canyon, Santa Ana River. 389 Comment
  RSA3114  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2643 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  SD229184  Ribes nevadense Dick Schwenkmeyer 2012-6-27 739 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  SD2150  Ribes quercetorum Edmund Jaeger 1925-12-23 Riverside Aguanga 1067 Comment
  SD239844  Romneya coulteri A. C. Sanders, John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: hills between I-15 and Temescal Canyon Rd., 0.22 km south (178a^z) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake. 324 Comment
  UCR251975  Romneya coulteri Marissa Manahan 2011-4-25 s.n. Riverside Walker Canyon, along I-15 Freeway NW of Lake Elsinore Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  UCR50008  Rorippa palustris Maureen Hales Pendleton 1987-12-7 s.n. Riverside Peninsular Range, Old Vail Ranch, off Pala Rd., 1 mile south of Hwy 79 Comment
  CAS-BOT-BC147541  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA561110  Rosa californica Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7323 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
  RSA699219  Rosa californica Jeanne Paxton 1934-4-16 s.n. Riverside Hagador Canyon Comment
  RSA768248  Rosa californica Justin M. Wood 2010-5-19 1848 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  SD229265  Rubus parviflorus Dick Schwenkmeyer 2012-8-28 827 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UC12971  Rubus parviflorus Harley P. Chandler 1897-7-23 Riverside Deep Creek San Bernardino Mts., Deep Creek 1524 Comment
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Nov 26 2011
  UCSC000944  Rubus parviflorus Unknown 1975-5-30 52 Riverside San Jacinto Mts., Hall Canyon Comment
  UCR268070  Rumex D. E. Bramlet 2005-4-22 3824 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  UCSB25047  Rumex acetosella Thoe, J. 1966-3-19 Riverside South of Esperanza Rd. 1 mile east of Broadway in Cabazon, San Jacinto Mts. 609 Comment
  UCR171905  Rumex hymenosepalus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  POM78925  Sagittaria latifolia I. M. Johnston 1925-7-7 5288 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  SD186015  Sagittaria latifolia S. J. Myers 1996-5-17 Riverside Corona, River Road bridge over the Santa Ana River. 152 Comment
  RSA82186  Salazaria mexicana Emma Mundy 1921-3-22 4484 Riverside Andreas Canyon, near Palm Springs. Comment
  SBBG101690  Salix exigua var. hindsiana S. Boyd with T. Ross 1991-6-14 6367 Riverside Warm Springs Crk at NE end of Hogbacks Ridge, 2-3 mi NW of Murrieta Hot Springs Comment
  SD60442  Salix exigua var. hindsiana Reid Moran 1964-7-27 11867 Riverside canyon of Santa Margarita River, 2I(c) miles SSW of Temecula 199 Comment
  CAS-BOT-BC108118  Salix gooddingii I. M. Johnston 1918-5-30 2018 Riverside Lee Lake, Temescal Canyon [Canon] 335 Comment
  CAS-BOT-BC108119  Salix gooddingii Munz; Street; Williams 1919-3-26 2342 Riverside Fig Tree John's Spring, Salton Sea - Colorado Desert -45 Comment
  RSA586101  Salix gooddingii D. L. Banks, Steve D. Boyd 1995-4-5 141 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, W of the Dripping Springs Trail. 659 Comment
  UCR275356  Salix gooddingii T. B. Salvato, Melissa Clemons 2005-6-9 1499 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  SEINET10539067  Salix gooddingii David B. Dunn, A. Folsom 1948-6-17 Dunn 3792 Riverside At camp in pushawalla canyon under palms. Indio hills. Colorado desert. Comment
  CAS-BOT-BC108215  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  CAS-BOT-BC108216  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  PASA2679  Salix hindsiana var. leucodendroides Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside, Riverside County 240 Comment
  POM305366  Salix laevigata Henry J. Ramsey, Henry J. Ramsey 1938-3-26 652 Riverside Between Corona and Elsinore. Comment
  SEINET1004492  Salix laevigata T. B. Salvato, Kent Beaman 2005-1 840 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  UCR156099  Salix laevigata T. B. Salvato, Kent Beaman 2005-5-16 840 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
  UCR97693  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  UC914224  Salix lasiolepis Charles B. Fiker 1946-5-30 3366 Riverside Hwy 395 s Temicula Bridge Comment
  UCR154454  Salix lasiolepis A. C. Sanders, Mike Misenhelter 2005-6-15 30965 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR18403  Salix lutea var. watsonii A. C. Sanders 1978-5-20 997 Riverside San Jacinto Mtns, James Reserve, beside Indian Creek where road crosses 1646 Comment
  CAS-BOT-BC126315  Salix sessilifolia Ethel H. Campbell 1921-6-1 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC126316  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UC310670  Saltugilia australis Philip A. Munz 1926-5-2 10424 Riverside 5 mi nw Dripping Spring; nw of Dripping Spring Comment
  UCR37127  Salvia X bernardina K. R. Neisess 1983-6-16 505 Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  UC534837  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  UCR41318  Salvia apiana N. M. Fellows, A. C. Sanders 1985-5-7 175 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
  LA212161  Salvia apiana A. L. Haines; 1951-5-19 s.n. Riverside SAN JACINTO MOUNTAINS, Bautiste Wash. 609 Comment
  RSA495427  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2953 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA651682  Salvia columbariae Marion P. Harthill 1971-3-19 34 Riverside Palm Desert. Comment
  UC1713566  Salvia columbariae Dr. D. P. Barrows before Aug., 1898 10 Riverside Cahuilla Indians Comment
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Sep 23 2009
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  UCR103189  Salvia columbariae Scott D. White, Julie Greene 1997-3-12 4784 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  RSA434155  Salvia mellifera Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, Mountain slope 549 Comment
  RSA614399  Salvia mellifera D. L. Banks 1997-3-16 1533 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UC883956  Salvia mellifera I. W. Clokey and B. C. Templeton 1930-4-9 4715 Riverside Moreno Grade 700 Comment
  UC883881  Salvia pachyphylla P. A. Munz 1922-6-25 5813 Riverside road from Vandeventer to Santa Rosa; Santa Rosa Mts. 1524 Comment
  CLARK-A1528-3126  Salvia vaseyi John C. Roos 1948-5-8 3825 Riverside Whitewater Comment
  RSA24250  Salvia vaseyi Carl B. Wolf 1940-10-31 9762 Riverside Little San Bernardino Mts. Morongo Wash 6/10 mi. below San Bernardino Co. Line. 671 Comment
  UCR193902  Sambucus mexicana A. C. Sanders, Mitch Provance 2008-7-11 35781 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA527854  Sanicula crassicaulis Scott D. White 1991-5-13 91 -79 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  SDSU12266  Sanicula crassicaulis Jeremy Mass, Ryan Jacobsen 2000-4-19 13 Riverside Along edge of road near Stone Creek close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCR138654  Sanicula crassicaulis D. L. Banks 1997-4-5 1665 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR79241  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon 412 Comment
  CLARK-A1528-289  Santolina chamaecyparissus Oscar F. Clarke 1973-5-29 OO 112 Riverside Riverside 274 Comment
  SEINET238555 Image available Sarcodes sanguinea George K. Helmkamp 1998-6-27 4128 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  UC1075574  Sarcostemma hirtellum P. C. Everett and E. K. Balls 1956-5-2 21558 Riverside 0.8 mi. n. of junction 60/70 along rd. to Eagle Mt. Pumping Station 365 Comment
  UCR224179  Sarcostemma hirtellum Justin M. Wood, Dustin M. Ray 2010-10-21 3022 Riverside Colorado (Sonoran) Desert, Chuckwalla Valley northeast of Victory Springs and 0.9 km east of Kaiser Road on unmarked 4WD road 198 Comment
  UC1563068  Schismus arabicus Steve Boyd, Orlando Mistretta 1986-3-13 1430 Riverside ne of Desert Center (jct of Parker Dam Road and Palen Road, (is the road going thru pass between Palen and Granite Ranges), Palen Mountains); Palen Mountains 243 Comment
  UCR279473  Schismus arabicus A. C. Sanders, Jim Malusa 2017-3-29 43197 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA0021563  Schismus barbatus Duncan S. Bell 2012-3-4 3134 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA406333  Schismus barbatus Christopher Davidson 1973-4-1 1799 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA774300  Schismus barbatus Duncan S. Bell 2011-4-7 2182 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  CAS-BOT-BC111278  Schoenoplectus acutus var. occidentalis C. Epling; J. Ewan 1933-6-1 s.n. Riverside South shore, Lake Elsinore Comment
  CAS-BOT-BC111279  Schoenoplectus acutus var. occidentalis Crawford; Johnson 1917-6-9 1226 Riverside Santa Ana River near Corona along stream. Comment
  RSA366056  Schoenoplectus americanus Anstruther Davidson 1904-5-1 1092 Riverside Palm Springs. Comment
  RSA357124  Schoenoplectus maritimus Robert F. Thorne, M. Z. Thorne, E. W. Lathrop 1968-5-8 37609 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  UC574975  Scirpus maritimus C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  RSA748658  Scirpus microcarpus Justin M. Wood, Brandy Wood 2009-6-13 884 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  SD122839  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa, on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S 02. In moist swale-drainage along road. Comment
  UCR172808  Scrophularia californica Abby Sirulnik 2000-5-7 31 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. from Interstate 10 1098 Comment
  UCR202571  Scrophularia californica Scott D. White, Justin M. Wood 2008-7-8 12387 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR24923  Scrophularia californica A. C. Sanders 1980-7-18 1650 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR123877  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 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
  SEINET7048159  Scrophularia californica subsp. floribunda Steven R. Hill 2001-5-3 33660 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR9252  Scutellaria siphocampyloides D. H. Wilken 1965-6-29 395 Riverside San Jacinto Mtns, near Keen Camp Summit along County Route 1 1524 Comment
  RSA771703  Selaginella bigelovii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4754 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 604 Comment
  RSA785366  Selaginella bigelovii Doris Bowers 1972-4-15 1832 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  UCR125715  Selaginella cinerascens Denise Woodard 2001-1 s.n. Riverside Nichols Reservoir, Skunk Hollow Hills 488 Comment
  UCR19830  Selaginella eremophila Freda Detmers 1930-2-2 s.n. Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Palm Canyon Comment
  UCR85260  Selaginella eremophila A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16169 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  POM161555  Selaginella watsonii Ralph Hoffman 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  SEINET6659392  Senecio californicus Steve Boyd, Tim Ross; Mike Hammitt 1991-5-2 6070 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain 3 mi N Hwy 79, 1 mi W of Hwy 371, N Aguanga.; 0 600 Comment
  UCR97495  Senecio californicus A. C. Sanders, Giles Waines, et al. 1997-3-12 19878 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA697094  Senecio douglasii J. R. Bruff 1927-10-16 1 -U Riverside Roadside near Elsinore. Comment
  RSA3323  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside Cabezon, San Gorgonio pass. Comment
  SEINET5584421  Senecio lemmonii Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 110 Comment
  RSA613317  Senecio vulgaris D. L. Banks 1997-3-1 1382 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
  SD48392  Senegalia greggii E. K. Balls, P. C. Everett 1957-8-20 22664 Riverside Morongo Pass, 8.75 miles north along the road to 29 Palms from the junction with US Hwy 60/70/99, in dry rocky wash & cliffs 640 Comment
  UCR148743  Senna armata Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11267 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  JEPS64755  Senna covesii Marjorie D. Clary 1932-3-24 812 Riverside Santa Rosa Mountains Comment
  SBBG87835  Senna covesii A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6073 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  UCR2739  Setaria pumila F. M. Reed 1904-7-31 57 Riverside South Coast; San Bernardino Valley, Riverside, Santa Ana River above Salt Lake Bridge 244 Comment
  SEINET273044  Sidalcea malviflora A. C. Sanders 1997-4-3 20152 Riverside Lake Skinner area; near N foot of Black Mtn slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  RSA768656  Sidalcea malviflora subsp. sparsifolia Justin M. Wood 2010-3-19 1429 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  CAS-BOT-BC109457  Sidotheca caryophylloides Frank W. Peirson 1924-7-29 5019 Riverside San Jacinto Mountains. Banning-Idlewild Road. 1767 Comment
  UCR193979  Silene antirrhina A. C. Sanders 2008-7-25 35897 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  SDSU4501  Silene gallica D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  RSA701677  Silene laciniata subsp. major Steve Boyd, Valerie Soza 2004-6-22 11555 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  CAS-BOT-BC389585  Silene parishii Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UC852935  Silene parishii P. A. Munz 1922-9-7 6412 Riverside San Jacinto Peak 3261 Comment
  POM87310  Simmondsia chinensis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA305798  Simmondsia chinensis James R. Shevock 1970-12-13 564 Riverside White Tank; Joshua Tree. 1175 Comment
  CAS-BOT-BC74912  Sinapis arvensis J. H. Thomas 1957-3-29 6519 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  SD181635  Sisymbrium altissimum Louis C. Wheeler 1955-6-16 7162 Riverside San Jacinto Mountains, east of Mountain Center. 1402 Comment
  SBBG53811  Sisymbrium erysimoides O. F. Clarke 1977-10-24 Riverside UC Riverside Campus, in garden E of the Agricultural Extension Offices Comment
  RSA431737  Sisymbrium irio E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  RSA614135  Sisymbrium irio D. L. Banks 1997-2-23 1302 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  CAS-BOT-BC75425  Sisymbrium orientale Scott D. White 1996-4-14 3908 Riverside Perris Basin. East of Hemet. San Jacinto River Wash near Valle Vista. 550 Comment
  RSA678344  Sisymbrium orientale Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10485 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
  RSA715941  Sisymbrium orientale Scott D. White, Angelia Carey 2004-4-5 10028 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment