Search Results — 2000 specimen records retrieved (1884 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC64451  Abies concolor H. M. Hall 1901-7-1 2332 Riverside rocky ridges and peaks near Tauquitz; Southern California, San Jacinto Mountains 2438 Comment
  CAS-BOT-BC229344  Abronia villosa C. Epling; J. Ewan 1933-6-1 s.n. Riverside Near Alberhill, Temescal Canyon Comment
  UCR100573  Abronia villosa George K. Helmkamp 1997-11-1 2517 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR20827  Abronia villosa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1332 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  POM727  Abronia villosa var. aurita P. A. Munz 1918-4-27 2131 Riverside Temescal Canyon. Comment
  RSA652386  Abronia villosa var. aurita Eleanor McClung 1937-3-23 29 Riverside Palm Springs. Comment
  RSA716396  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA784779  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3183 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
  UCR126173  Abronia villosa var. aurita Michael D. Wilcox 2003-3-31 s.n. Riverside San Jacinto Mountains, just off Bautista Canyon Road c. 0.6 mi. NW of Hixon Trail, San Bernardino National Forest 720 Comment
  UCR127362  Abronia villosa var. aurita A. C. Sanders, D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  RSA0029326  Abronia villosa var. villosa Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4685 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA461031  Abronia villosa var. villosa E. Schorr 1973-4-14 11 Riverside State Hwy 86, S of Indio, near State Hwy 195 -7 Comment
  SEINET3005055  Abronia villosa var. villosa G. Rink 2011-4-29 10493 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UC1922399  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR261448  Abronia villosa var. villosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41421 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR6390  Abutilon theophrasti O. F. Clarke 1967-6-9 s.n. Riverside Riverside, O.F. Clarke residence at 1012 Spruce Street 366 Comment
  UCR178532  Acacia greggii R. G. Swinney 1967-5-26 148 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA414908  Acacia greggii var. arizonica Anstruther Davidson 1892-05 s.n Riverside Banning. Comment
  UCR41842  Acamptopappus sphaerocephalus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 06044 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  RSA38413  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz 1946-10-21 11598 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  UC63196  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall May 17 1901-Jun 1 1901 1933 Riverside east base San Jacinto Mt. 609 Comment
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  SEINET13363739 Image available Achillea lanulosa Dieter H. Wilken 1965-1 276 Riverside Herkey Creek Public Camp, Hemet Valley, San Jacinto Mountains 1372 Comment
  CAS-BOT-BC174017  Achnatherum coronatum A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-28 32649 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  CAS-BOT-BC260328  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Colorado Desert. Whitewater, about station 304 Comment
  UC38406  Achnatherum hymenoides H. M. Hall May 1899 1163 Riverside base El Toro Mt.; San Jacinto Mts. 1402 Comment
  RSA801948  Achnatherum latiglume LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6159 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  CAS-BOT-BC216888  Achnatherum occidentale Ralph Hoffman 1929-9-8 s.n. Riverside Mount San Jacinto [San Jacinto Mountains] 2133 Comment
  SBBG57054  Achnatherum parishii R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  CAS-BOT-BC210884  Achnatherum parishii subsp. depauperatum H. M. Hall 1901-6-1 2309 Riverside San Jacinto Mountains. Near Tauquitz [Tahquitz] 2133 Comment
  RSA494624  Achnatherum speciosum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  CAS-BOT-BC30408  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon, flats at SE end of Alberhill Mountain Comment
  JOTR28927  Achyronychia cooperi La Doux, Tasha 2005-3-1 1163 Riverside Joshua Tree National Park. Between Sand Hills and Main Road to Cottonwood Comment
  NY1084567  Achyronychia cooperi N. H. Holmgren 1973-3-22 6469 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  UC1929899  Acmispon nevadensis var. davidsonii Scott D. White 2004-4-26 10251 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. 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
  SDSU14071  Acmispon strigosus Jonathan S. Austin, Michael G. Simpson 2002-4-20 15 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UC1979597  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 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
  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
  UCSB37399  Adenophyllum porophylloides Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns.; Corn Springs Campground 457 Comment
  UCR153365  Adenostoma fasciculatum LeRoy Gross, Valerie Soza 2003-5-8 829 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  GMDRC6554  Adenostoma fasciculatum var. fasciculatum J. M. Andre 2012-6-15 30507 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 1172 Comment
  RSA516749  Adenostoma fasciculatum var. fasciculatum 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
  OBI30248  Adenostoma sparsifolium G. B. Smith 1967-10-21 E 11 Riverside hwy 74, 5 mi S of Idylwild 1585 Comment
  UC12023  Adenostoma sparsifolium Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  UC55109  Agoseris grandiflora var. grandiflora H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside 20 mi s Palm Springs; Palm Springs 1371 Comment
Read comments
May 2 2007
  POM123023  Agoseris retrorsa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR34897  Agoseris retrorsa L. B. Ziegler 1969-6-3 371 Riverside San Jacinto Mtns, Thomas Mtn. 1835 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
  OBI39187  Alhagi pseudalhagi Dell O. Clark 1969-7-2 s.n. Riverside 2 mi W of Mecca, Coachella Valley Comment
  UCR47637  Alhagi pseudalhagi Don Pendleton 1986-1 s.n. Riverside Blythe, fields on the mesa NW of town, in lemon groves Comment
  RSA703739  Aliciella latifolia LeRoy Gross 2005-3-3 1559 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  LA204665  Allenrolfea occidentalis Louis Wheeler; 1931-11-27 377 Riverside Salton Sea, 2 mi. SE Salton Bench Mark -76 Comment
  SBBG69673  Allionia incarnata M. N. Ackley 1928-4-3 722 Riverside Clarys Cyn, Coral Reef Ranch 60 Comment
  UCR166863  Allionia incarnata Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  SD127568  Allium lacunosum var. davisiae Robert F. Thorne, Earl Lathrop 1975-5-25 45560 Riverside Santa Rosa Plateau, Rancho California, Mesa de Burro. 609 Comment
  RSA500142  Allium lacunosum var. lacunosum Robert F. Thorne, E. W. Lathrop 1975-5-25 45560 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA740237  Allium parryi Scott D. White, Justin M. Wood 2008-6-17 12191 -B Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA740615  Allium peninsulare Scott D. White, Justin M. Wood 2008-6-19 12255 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UCR124659  Allium praecox B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1484 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  CAS-BOT-BC475444  Allium serra Parish, S. B. and W. F. 1882-6-1 1524 Riverside San Jacinto Mt Comment
  UCSB46786  Alstroemeria O. F. Clarke 1969-6-25 Riverside collected at 1012 Spruce Street Spruce Street Comment
  UC7527  Amaranthus albus H. M. Hall 1901-8-1 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  CAS-BOT-BC520444  Amaranthus blitoides A. C. Sanders; Jose Aguiar 2012-12-19 40532 Riverside Sonoran (Colorado) Desert: Coachella Valley, NE of Mecca above jct of Ave.62 and Johnson St. near Coachella Canal -7 Comment
  UCR163892  Amaranthus fimbriatus B. G. Pitzer 2001-8-19 4343 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  CDA23709  Amaranthus palmeri T. C. Fuller 1962-10-3 9705 Riverside South side of 32nd Avenue, 0.6 mile east of Ludy Boulevard, road to Ripley, 3.9 miles north of Palo Verde, Palo Verde Valley. 0 Comment
  SBBG32343  Ambrosia acanthicarpa L. S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  CAS-BOT-BC22608  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -335 Riverside Joshua Tree National Monument: about 7 mi S of Entrance to Cottonwood Springs Campground Comment
  RSA608585  Ambrosia dumosa R. S. Woglum 1939-4-11 2207 Riverside Sonora Desert: Desert Center. Comment
  RSA777416  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 784 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC896725  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  UCR86850  Ambrosia dumosa A. C. Sanders 1995-4-27 16744 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  SD44840  Ambrosia ilicifolia Darley F. Howe 1952-4-28 2191 Riverside Chuckwalla Mountains. Comment
Read comments
Jul 12 2012
  CAS-BOT-BC273000  Ambrosia salsola Cecil Hart 1927-3-30 s.n. Riverside Moronga Valley near Whitewater Comment
  UCD128873  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 miles south of Palm Desert, along Palms to Pines Highway. Comment
  UCR148334  Ambrosia salsola 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
  SEINET10908529  Ambrosia salsola David B. Dunn, Howard Brown 1947-1-12 Dunn 2834 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  POM307250  Amelanchier pallida Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2239 Riverside Santa Rosa Mountains. Comment
  RSA0034425  Amelanchier utahensis Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  POM12891  Amorpha californica P. A. Munz 1922-6-30 5924 Riverside Santa Rosa Mountains. 1982 Comment
  RSA787990  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 s.n. Riverside Cleveland National Forest. Roadside. Comment
  UC13288  Amorpha fruticosa H. M. Hall June, 1901 2121 Riverside San Jacinto Mts.; e base, along borders of Colorado Desert Comment
  RSA0089633  Amsinckia intermedia Scott D. White 2001-4-19 8385 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
  RSA543139  Amsinckia intermedia Steve Boyd 1991-3-17 5506 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR154745  Amsinckia intermedia T. B. Salvato, Kent Beaman 2005-5-16 786 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR251306  Amsinckia intermedia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7429 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR41534  Amsinckia intermedia A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6050 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR121798  Amsinckia menziesii var. menziesii A. C. Sanders, Carolyn Washburn 2001-4-17 24034 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  RSA0089936  Amsinckia menziesii var. menziesii Steve Boyd 1986-4-2 1617 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 610 Comment
  UC68710  Amsinckia tessellata var. tessellata H. M. Hall Apr. 1905 5860 Riverside Canyon Springs; Colorado Desert Comment
  JOTR31083  Amsonia tomentosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2345 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  UCR90338  Anagallis arvensis Scott D. White 1995-6-29 3411 Riverside Santa Ana Mtns,, Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence 366 Comment
  UCR100026  Ancistrocarphus filagineus A. C. Sanders, G. Helmkamp 1997-3-15 19999 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  CHSC1628  Anemopsis californica E. Thomas 1940-5-26 Riverside Murrieta. Comment
  SEINET8562180  Anemopsis californica Robert F. Thorne, E. Lathrop 1969-6-6 39340 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UC489207  Antennaria rosea C. V. Meyer 1928-7-27 556 Riverside Tamarack Valley San Jacinto Mt., Tamarack Valley 2834 Comment
  SEINET2028544 Image available Antennaria speciosa H. M. Hall 1901-6-1 2401 Riverside San Jacinto Mountains 2830 Comment
  UC1929316  Anthriscus caucalis Scott D. White, Justin Wood 2008-4-16 11893 Riverside Perris Basin; Menifee Valley, N of Newport Rd. Drainage ditch down stream from golf course. 436 Comment
  RSA525247  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross 1990-5-11 4625 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  SDSU10451  Antirrhinum coulterianum Charles F. Phleger 1962-5-12 Riverside Collected on Hwy 74, 5 miles E of Hemet. Comment
Read comments
Jul 8 2009
  UCR227722  Antirrhinum coulterianum Duncan S. Bell, Joy England 2010-5-27 11125 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 0.8 air mi southeast of junction of Hwy 74 and Forest Service Road 5S15 744 Comment
  UCR226740  Antirrhinum filipes Jim Andre 2011-2-18 15815 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
  RSA585509  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks, Steve D. Boyd 1995-5-9 370 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA525273  Apiastrum angustifolium Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4587 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UC1537171  Apiastrum angustifolium Gordon H. True Jr. 1935-3-11 90 Riverside Mockingbird Canyon 457 Comment
  PASA2387  Aquilegia truncata Sally Ellis 1939-6-21 Riverside Halona, Idyllwild Comment
  UC64653  Arabis glabra H. M. Hall 1897-6-17 654 Riverside Strawberry Valley San Jacinto Mountains 1615 Comment
  RSA233320  Arabis johnstonii L. B. Ziegler 1968-4-16 s.n. Riverside Hemet Valley, lower edge of Yellow Pine Belt 1372 Comment
  POM184733  Arabis pulchra var. gracilis C. L. Hitchcock 1932-4-9 12229 Riverside Joshua Tree National Monument; White Tanks, eastern Riverside. Comment
  UCR178346  Arabis sparsiflora Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1051 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UC1078932  Arceuthobium campylopodum Job Kuijt 1958-3-14 1497 Riverside 0.6 mi se Keen Camp Summit (Hwy 74); San Bernardino Mtns Comment
  RSA629179  Arctostaphylos Jon E. Keeley 1992-7-16 16687 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA629392  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19516 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629456  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16802 Riverside Road to Thomas Mountain (5S15), 6.3 km north of Toolbox Spring. 1770 Comment
  CLARK-A1528-448  Arctostaphylos glandulosa subsp. glandulosa Shirley Hill 1963-3-31 630331-7 Riverside San Jacinto Mountains 1219 Comment
  OBI42561  Arctostaphylos glandulosa subsp. leucophylla A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mts, along trail toward Spitler Peak from the Hurkey Crk camp to Bonita Vista road. 1707 Comment
  RSA629432  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16835 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  POM254917  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Modjeska Peak, Santa Ana Mts. Comment
  UC876570  Arctostaphylos glandulosa subsp. zacaensis I. W. Clokey and E. G. Anderson 1935-4-16 7888 Riverside Hemet 900 Comment
  RSA631778  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19293 Riverside Highway 79, at Radec. 580 Comment
  RSA631805  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21812 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA632644  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16578 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA633532  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20162 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633613  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21759 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633680  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16658 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633699  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16669 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633740  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20157 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA5251  Arctostaphylos patula subsp. platyphylla C. B. Wolf 1932-8-5 3988 Riverside Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  RSA635597  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16745 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  POM49832  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-29 8855 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA652428  Arctostaphylos pringlei subsp. drupacea Peter Gail 1961-5-6 s.n. Riverside Hemet Lake, San Jacinto Mts. Comment
  SBBG59985  Arctostaphylos pringlei subsp. drupacea R. Hoffmann 1929-9-6 Riverside slope of Tahquitz Comment
  SD216471  Arctostaphylos pringlei subsp. drupacea Jay B. Walker 1995-5-3 1409 Riverside San Bernardino National Forest, South of Pinyon Flat Campground at terminus of USFS Road. 1900 Comment
  UC488998  Arctostaphylos pringlei subsp. drupacea C. V. Meyer June 1927 207 Riverside Saunder's Meadows San Jacinto Mts. 1706 Comment
  UCR3712  Arctostaphylos pringlei subsp. drupacea Frank C. Vasek 1964-7-26 640726- 03 Riverside Peninsular Range; San Jacinto Mtns., at Pine Cove Comment
  RSA635788  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16525 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA741185  Arctostaphylos pungens Scott D. White, Justin M. Wood 2008-6-16 12119 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR132775  Arctostaphylos pungens S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon, near head of canyon, 2 miles NW of Anza 1189 Comment
  SD180718  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 399 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  SDSU17424  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 410 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 300 Comment
  SEINET4085707  Argemone munita subsp. munita O. M. Clark 1932-1 5108 Riverside South Hemet. Comment
  SD114886  Argemone munita subsp. robusta E. W. Lathrop 1979-8-14 7640 Riverside 3.0 miles southwest of Corona; Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  CAS-BOT-BC137644  Aristida adscensionis Peter H. Raven 1958-3-15 11850 Riverside Box Canyon. Comment
  RSA777634  Aristida adscensionis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 771 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR167448  Aristida adscensionis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA27422  Aristida adscensionis var. abortiva C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring. Comment
  CLARK-A1528-4465  Aristida californica John C. Roos 1937-8-22 1209 Riverside Mojave Desert Comment
  JOTR34349  Aristida purpurea var. nealleyi Andre, Jim 2012-4-11 20698 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UCR23867  Aristida purpurea var. nealleyi John C. Roos 1965-9-26 s.n. Riverside Mojave Desert, Palm Springs, in a parkway 122 Comment
  UCR54264  Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  UCR203960  Artemisia douglasiana Michael Wall 2008-10-3 493 Riverside Perris-Aguanga Basin, Bautista Creek, east of Hemet off Bautista Canyon Road c. 7 mi east of the junction with Fairview Ave. 758 Comment
  JOTR32836  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
  SD204767  Arundo donax Sarah J. De Groot, J. Mark Porter 2006-3-14 5205 Riverside North base of San Jacinto Mountains, west of Highway 111, just east of Snow Creek Road. Comment
  UCR24890  Asclepias californica A. C. Sanders 1981-7-22 01745 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  UCR17634  Asclepias eriocarpa O. F. Clarke 1975-7-20 s.n. Riverside San Jacinto Mtns, Valley Hi Co. Park at McMullen Flats off Hwy 243 1183 Comment
  HSC86951  Asparagus asparagoides B. G. Pitzer, E. Misquez 1988-2-28 636 Riverside Walker Basin, SW of Murrieta, Avenida Del Oro, 2 mi. S of Rancho California Road 428 Comment
  SEINET10614343  Aster David B. Dunn 1946-8-17 Dunn 2733 Riverside Round meadow dry hillside among Lodge Pole Pines, San Jacinto Mts. Comment
  UCR24401  Aster alpigenus John C. Roos 1937-8-18 2539 Riverside San Jacinto Mountains, Taquitz Valley 2500 Comment
  UCR110417  Aster subulatus A. C. Sanders, Mitch Provance 1999-9-26 23126 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA0014460  Astragalus aridus Justin M. Wood, J. Miner 2010-4-29 1533 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA795930  Astragalus aridus Duncan S. Bell 2009-4-18 234 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  SD119933  Astragalus coccineus Louis B. Ziegler 1969-4-10 337 Riverside Pinyon Flats; San Jacinto Mountains. 1250 Comment
  UC702806  Astragalus deanei Charles B. Fiker 1946-5-30 3492 Riverside on Highway 395 dip s Temecula River Bridge Comment
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Aug 12 2016
  UCR241012  Astragalus didymocarpus Tracy Tennant 1998-4-28 257 Riverside San Jacinto, Ramona Expressway and Donna Way, near bank of San Jacinto River 488 Comment
  JOTR33848  Astragalus didymocarpus var. dispermus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3060 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy wash leading to Pinto Wash 354 Comment
  UC397259  Astragalus didymocarpus var. dispermus G. B. Grant Apr. 1906 Riverside Palm Spring Comment
  RSA415493  Astragalus douglasii Christopher Davidson 1978-6-15 7394 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UC862974  Astragalus douglasii var. douglasii Marcus E. Jones, A. M. 1882-4-24 3166 Riverside San Jacinto Comment
  POM122306  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n Riverside Near Idyllwild Comment
  UCR112849  Astragalus gambelianus A. C. Sanders 1997-5-1 20622 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  SD43742  Astragalus insularis var. harwoodii Darley F. Howe 1949-3-21 1973 Riverside 3.0 miles west of Blythe. Comment
  POM250336  Astragalus lentiginosus var. coachellae I. W. Clokey, B. C. Templeton 1930-4-9 4710 Riverside North of Palm Springs, Colorado desert. 170 Comment
  RSA90703  Astragalus nuttallianus var. cedrosensis F. W. Peirson 1922-4-9 584 Riverside Murray Canyon, near Palm Springs Comment
  RSA0029413  Astragalus pachypus John F. Emmel 1996-4-14 1394 Riverside Rouse Ridge, San Jacinto River drinage; along Rouse Ridge Road, 4.0 road mi SSE of Cranston Ranger Station. 878 Comment
  UC81354  Astragalus palmeri S. B. Parish Mar, 1881 735 Riverside Agua Caliente (i.e. Palm Springs) Agua Caliente (Palm Springs) Comment
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Jul 15 2009
  CAS-BOT-BC194135  Astragalus pomonensis Munz; Harwood 1920-2-28 3253 Riverside 3 miles west of Corona 304 Comment
  SBBG120068  Astragalus pomonensis A. C. Sanders, K. Volansky 2005-3-17 29216 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA692509  Athyrium filix-femina subsp. cyclosorum Sisson 1930-11-12 19 Riverside San Jacinto Mtns.: Near Idyllwild. Strawberry Creek. 1982 Comment
  CDA10364  Atrichoseris platyphylla M. S. Wasbauer 1960-3-27 Riverside Shaver Summit. 0 Comment
  UC1595685  Atrichoseris platyphylla W. Wisura, J. Dolan, and C. Demme 1992-4-13 4687 Riverside 10.5 mi s of prison (Wileys Well Rd.) Comment
  UC963818  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside near, and ca. 2.5 miles beyond Mission Well Meek Mine; Mojave Desert, Pinto Mountains 579 Comment
  UCR196358  Atrichoseris platyphylla Naomi Fraga, Lisa Rojas 2005-2-10 1405 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  JOTR36387  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3340 Riverside Joshua Tree National Park. Pleasant Valley: S of Hexie Mountains, on edge of road in playa 999 Comment
  RSA520929  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside California Dept. of Fish and Game, San Jacinto Wildlife Area. Populations are found just west of the old San Jacinto river channel and adjacent to the first waterfowl pond. 476 Comment
  RSA532562  Atriplex coronata var. notatior D. E. Bramlet 1991-4-29 2078 Riverside 6.5 km west of Hemet and some 350m south of Florida and 550m west of Warren. The population is some 50m east of MWD canal. 500 Comment
  UCR103475  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2439 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit, 1.22 km east of Davis Road and 183m south of the existing access road, 518 m north of San Jacinto River Channel 435 Comment
  UCR202225  Atriplex coronata var. notatior 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
  UCR70521  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside San Jacinto Valley, San Jacinto Area, 7.6 km west of Hemet & c. 1.4 km SW of intersection of Warren and Setson Ave. Plants c. 68 m south of Setson Ave. & 320 m west of the MWD canal. 500 Comment
  UCD169500  Atriplex elegans var. elegans A. C. Sanders; John F. Green 2012-6-25 40307 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake. 361 Comment
  CAS-BOT-BC170252  Atriplex hymenelytra J. Beley 1974-2-21 73 -641 Riverside 1/2 mi. NE of tip of Coxcomb Mt. Comment
  JOTR37713  Atriplex hymenelytra Hodges, Stephen R. 2016-3-1 638 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line in canyons of black rock. Sparsely vegetated. Comment
  LA204682  Atriplex hymenelytra Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  RSA478264  Atriplex hymenelytra E. C. Jaeger 1929-3-29 753 Riverside Painted canyon, near Mecca. 91 Comment
  UCR260356  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2015-3-10 41370 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  CAS-BOT-BC169293  Atriplex lentiformis John Thomas Howell 1928-11-4 4082 Riverside 3 miles nw of Mecca on road to Indio, Coachella Valley Comment
  OBI40177  Atriplex muelleri J. C. Roos 1965-10-17 s.n. Riverside 20 mi W of Blythe on the roadside Comment
  CAS-BOT-BC170070  Atriplex parishii H. C. Stutz 1994-10-17 9693 Riverside W side of Hemet, 100 yeards east of California Street terminus. Comment
  RSA65378  Atriplex polycarpa F. W. Peirson 1927-11-25 s.n. Riverside Thousand-Palm Canyon, edge of Coachella Valley. Comment
  RSA780562  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-5 57 Riverside Corn Springs Campground. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 497 Comment
  RSA735905  Atriplex prostrata Scott D. White, Justin Wood 2008-6-24 12287 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  CLARK-A1528-4995  Atriplex rosea John C. Roos 1965-8-4 Riverside Arlington Comment
  CDA2929  Atriplex semibaccata Steve Boyd 1989-7-9 3786 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR8992  Atriplex semibaccata O. F. Clarke 1969-9-26 s.n. Riverside San Bernardino Valley/upper Santa Ana River Region, City of Riverside, University of California campus 335 Comment
  RSA660500  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-5-21 21854 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR201872  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  IRVC5339  Avena barbata Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  SBBG97297  Avena barbata W. L. Halvorson 1977-3-13 77 -180 Riverside near Temecula Comment
  UCR92089  Avena barbata Scott D. White 1995-3-30 2685 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  RSA595274  Avena fatua D. L. Banks, Victor Steinmann 1996-4-20 895 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  SEINET5510176 Image available Ayenia compacta Annie M. Alexander, Louise Kellogg 1941-1 2236 Riverside Eagle Mountains, Monsen Canyon 823 Comment
  CLARK-A1528-1638  Baccharis glutinosa John C. Roos 1951-10-24 5346 Riverside Santa Ana River 259 Comment
  UCR141243  Baccharis pilularis subsp. consanguinea A. C. Sanders, Kelly Volansky 2004-10-6 28815 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  CAS-BOT-BC106671  Baccharis salicina I. M. Johnston 1917-12-1 1811 Riverside Chino Creek south of Ontario 152 Comment
  UCR225725  Baccharis salicina A. C. Sanders, T. B. Salvato 2011-3-30 38902 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  CAS-BOT-BC99820  Baccharis sarothroides Carl B. Wolf 1932-10-13 4311 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  POM173314  Baccharis sarothroides E. C. Jaeger 1929-02 s.n. Riverside Chuckwalla Mts Comment
  CAS-BOT-BC99889  Baccharis sergiloides Carl B. Wolf 1932-10-11 4271 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 3/10 mi. below San Bernardino Co. line 670 Comment
  RSA5439  Baccharis sergiloides C. B. Wolf 1932-10-11 4271 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  SD229071  Baccharis sergiloides Dick Schwenkmeyer 2013-6-11 907 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  SD232171  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 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. 395 Comment
  RSA442014  Bahiopsis parishii N. C. Cooper 1944-4-8 1077 Riverside Andreas Canyon. 305 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
  UCR244318  Bahiopsis parishii Jim Andre 2012-4-16 20893 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA114159  Baileya pauciradiata Francia Chisaki 1955-4-18 631 Riverside 5.6 miles SE of turn off the Thousand Palms on Hwy 60 Comment
  JOTR16564  Baileya pleniradiata Walters, Jim 1967-5-12 s.n. Riverside Joshua Tree National Park. EAST-WEST ACCESS ROAD TO LOST HORSE RANGER STATION Comment
  UCR182346  Bassia hyssopifolia Mitch Provance 2005-5-17 6558 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA653412  Bebbia juncea Mitch Provance 1998-7-7 887 Riverside 0.25 to 0.5 miles E of the corner of Riverside Ave. and Agua Mansa Rd., previously the property of the 'Riverside Charros' organization. 262 Comment
  UCR89836  Bebbia juncea Scott D. White 1993-5-27 1432 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCR92620  Bebbia juncea Scott D. White 1995-8-23 3568 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UC51596  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 8058 Riverside Salton Comment
  CSUSB3  Beloperone californica Margaret-Lee Dean 1965-3-7 S. N. Riverside Palm Desert 3 miles south of Palm Desert on Pines to Palms Highway, on roadside 121 Comment
  UCR18794  Berberis nevinii John C. Roos 1949-5-21 4321 Riverside Peninsular Range, SW corner of county, 2 miles north of Dripping Springs, near Vail Dam 442 Comment
  UCR110430  Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR89779  Bergia texana Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UC1929906  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UC597589  Boechera johnstonii Philip A. Munz 1937-5-31 15123 Riverside Kenworthy, S part of San Jacinto Mountains 1371 Comment
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Mar 25 2011
  UCD170132  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 600 Comment
  UCR42362  Boerhavia coccinea B. G. Pitzer 1986-5-4 0198 Riverside Colorado Desert/San Bernardino Mtns., Whitewater Canyon, at N edge of hatchery to c. 0.25 mi. N; c. 5 mi. north of Interstate Hwy 10 on Whitewater Canyon Road. 732 Comment
  JOTR30080  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  JOTR32419  Boerhavia wrightii Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 9 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  JOTR35995  Boerhavia wrightii Harding, Mitzi, Mark Wheeler 2012-9-4 206 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  SD249240  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; c;a. 3.6 air miles northnortheast of Dos Palmas. 404 Comment
  UCR17655  Boerhavia wrightii 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
  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
  RSA0117484  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112 -05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of 1-10. 709 Comment
  UCR151361  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  RSA0043064  Bouteloua aristidoides Duncan S. Bell, LeRoy Gross 2014-3-20 6268 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  OBI26037  Bouteloua barbata David J. Keil 1976-12-12 11920 Riverside Along I-10, 37 mi E of Chiriaco Summit. Comment
  SEINET3217333 Image available Brandegea bigelovii T. B. Salvato 2010-4-20 4056 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  UCSB41346  Brandegea bigelovii Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd., 7 miles southwest of junction with Chuckwalla Rd., Colorado Desert 457 Comment
  UCD170979  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Peninsular Range, Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road. 428 Comment
  UCR193961  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Peninsular Range, Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  JOTR33999  Brassica tournefortii La Doux, Tasha, M. Harding 2010-4-7 2887 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA0123356  Brassica tournefortii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9048 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
  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
  UCR89589  Brickellia arguta Bern Schwenn 1994-4-29 s.n. Riverside Little San Bernardino Mtns., Joshua Tree National Monument [now J.T. National Park], east of Lost Horse Mtns, near Mystery Hole 1315 Comment
  JEPS23548  Brickellia atractyloides var. arguta Peter H. Raven 1958-5-18 12994 Riverside Along State Highway 74, 4.9 mi NE of Pinon Flats, San Jacinto Mountains. Comment
  CAS-BOT-BC106188  Brickellia desertorum Nancy Ryan Zabriskie; Walter Zabriskie 1971-11-27 467 Riverside Andreas Canyon, east slope San Jacinto Mountains -this n.w. of juncture of North Canyon with Andreas Canyon 365 Comment
  CLARK-A1528-5510  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  SEINET7063429  Brodiaea filifolia A. G. Vestal 1947-1 Riverside Comment
  RSA180311  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1960-6-7 4857 Riverside 14 miles W of Murrieta Comment
  UCD62681  Bromus berteroanus var. excelsus F. M. Reed 1920-3-20 4170 Riverside Colorado Desert, Murray Canon near Palm Springs. 91 Comment
  SBBG105035  Bromus carinatus S. Boyd with D. Banks 1994-4-5 8257 Riverside San Mateo Cyn Wilderness Area, vicinity of Oak Flats 762 Comment
  UCR125474  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  UCD59232  Bromus carinatus var. marginatus Peter Kamb 1948-7-3 1140 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  RSA673731  Bromus diandrus Scott D. White, Bill La Haye 2000-5-27 7958 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  POM10523  Bromus diandrus C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jul 27 2008
  RSA495421  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2891 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR154825  Bromus hordeaceus A. C. Sanders, Mike Misenhelter 2005-3-23 29281 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR241217  Bromus hordeaceus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 54 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, east fork of Hathaway Canyon 945 Comment
  SD248298  Bromus madritensis subsp. rubens A. C. Sanders, John F. Green 2012-3-26 39998 Riverside Peninsular Range;, Santa Ana Mountains Area: Temescal Canyon, mouth of a small canyon between Horsetheif Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Road (Alberhill 7.5'Q) 369 Comment
  UCD59075  Bromus orcuttianus var. hallii Peter Kamb 1948-7-3 1141 a Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  CLARK-A1528-4555  Bromus rubens John C. Roos, Lucille Roos 1950-4-15 4739 Riverside Pigeon Pass 457 Comment
  SEINET3923273  Bromus rubens R. L. Piemeisel 1913-5-4 409467 Riverside Crestmore field.; 0 Comment
  SEINET3923277  Bromus rubens Starr Streight 1982-4-17 38 Riverside Cajalco Road, 2 miles east of I-15; South of Corona. Weedy hillside on north side of road.; 0 Comment
  POM363957  Bromus rubens E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  JOTR37492  Bromus tectorum Hodges, Stephen R. 2016-4-6 621 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  SD254501  Bromus tectorum Steve Boyd, Carol Boyd 2011-3-29 12305 Riverside Transverse Ranges; San BernardinoMountains region: Southeast end of range in south branch of Mission Banyon, just upstream from confluence with north branch. 762 Comment
  UCR214137  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37717 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR214683  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37668 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  CLARK-A1528-4564  Bromus unioloides Alfred R. Roos 1937-11-13 Riverside Riverside 243 Comment
  RSA498303  Caesalpinia virgata Robert L. Dressler 1949-3-19 394 Riverside Box Canyon, Orocopia Mts. Comment
  RSA784946  Caesalpinia virgata Duncan S. Bell 2012-2-12 3124 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET7347683  Caesalpinia virgata I. W. Clokey 1935-4-17 6717 Riverside Shafer Wells Comment
  OBI8373  Calandrinia ciliata David J. Keil, Malcolm McLeod 1977-3-26 12015 Riverside 8 mi NW of Lake Elsinore State Recreation area along Calif 71 366 Comment
  UCR84983  Calandrinia ciliata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16223 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA357121  Callitriche marginata R. F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau - Mesa de Colorado. 610 Comment
  UCSB9238  Calocedrus decurrens Haller, Norman 1953-5-24 Riverside Fern Valley, base of Devil's Slide Trail, San Jacinto Mtns. Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR35291  Calochortus concolor L. B. Ziegler 1969-7-3 382 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  CAS-BOT-BC488544  Calochortus concolor Ynez Whilton Winblad 1941-6-7 s.n. Riverside Near Lake Elsinore Comment
  POM13563  Calochortus flexuosus Philip A. Munz, D. D. Keck 1922-4-12 4838 Riverside Vicinity of Corn Springs Chuckwalla Mts., Colorado Desert 671 Comment
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May 28 2011
  RSA369037  Calochortus invenustus Robert L. Rutherford 1944-7-16 1609 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UCR29262  Calochortus palmeri var. munzii A. C. Sanders 1980-6-11 1576 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  POM122634  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  UCR217529  Calochortus plummerae Diane Menuz 2008-6-20 474 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  HSC92910  Calochortus splendens Scott White 1993-5-29 1442 Riverside San Bernardino Mtns., Banning Canyon and Big Oaks Canyon along rd. to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA68632  Calochortus splendens Frank W. Peirson 1924-7-27 4997 Riverside Deer Springs, San Jacinto Mountains. Comment
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May 26 2014
  CLARK-A1528-3201  Calochortus weedii var. intermedius John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  POM256722  Calochortus weedii var. intermedius W. Pequegnat 1940-6-18 s.n. Riverside Sierra Peak, Santa Ana Mountains. Comment
  CLARK-A1528-1794  Calycadenia tenella John C. Roos 1952-7-19 5816 Riverside Santa Ana Mountains 761 Comment
  RSA755595  Calycoseris parryi Scott D. White, Michael Honer 2003-5-13 9236 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  UCR279416  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-25 42996 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR137704  Calyptridium monandrum D. L. Banks, V. W. Steinmann 1997-3-13 1518 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UC1537159  Calystegia macrostegia Gordon H. True Jr. 1935-3-1 42 Riverside Gavilan Hills 548 Comment
  RSA422205  Calystegia macrostegia subsp. arida Christopher Davidson 1975-6-16 2806 Riverside Ca. 4 mi. S of Banning on roas R1 to Idyllwild. 1128 Comment
  CAS-BOT-BC221308  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  RSA394918  Calystegia macrostegia subsp. tenuifolia N. C. Cooper 1947-4-5 2037 Riverside Los Alamos Canyon, Elsinore. Comment
  UCR265065  Calystegia sepium subsp. binghamiae Mitch Provance 2012-11-10 1112- 02 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  CAS-BOT-BC199279  Calystegia sepium subsp. limnophila S. B. Parish 1900-9-20 4612 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
  CAS-BOT-BC199285  Calystegia sepium subsp. limnophila J. C. Roos; A. R. Roos 1950-8-7 4919 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
  RSA2595  Camissonia bistorta J. T. Howell 1928-7-9 1059 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA465925  Camissonia bistorta Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA559960  Camissonia bistorta Steve Boyd, Orlando Mistretta 1992-4-23 7071 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  UCR158316  Camissonia bistorta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30053 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
  UCR180353  Camissonia bistorta Scott D. White, Angelia Carey 2004-4-5 10010 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR20791  Camissonia bistorta A. C. Sanders, Steve Boyd 1980-5-2 1416 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR215514  Camissonia bistorta Daphne K. Christopher, Hannah I. Stevens 2003-4-4 085 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR260546  Camissonia bistorta T. B. Salvato, Matt Malle 2014-5-29 8024 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
  RSA727394  Camissonia boothii Naomi S. Fraga, Lisa Rojas 2005-2-10 1396 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  JOTR31773  Camissonia brevipes subsp. brevipes Andre, Jim, Tasha La Doux 2009-3-10 11242 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  POM67092  Camissonia brevipes subsp. brevipes Marcus E. Jones 1924-2-27 s.n. Riverside Colorado Desert, Desert Center. Comment
  RSA13902  Camissonia californica P. A. Munz, D. Keck 1922-4-9 4750 Riverside Palm Springs. 76 Comment
  RSA466169  Camissonia californica Christopher Davidson 1973-4-1 1788 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA550039  Camissonia californica Walter Wisura, A. King, L. Newcomb 1992-4-10 4668 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  RSA670672  Camissonia californica Bonnie C. Templeton, I. W. Clokey 1930-4-9 1068 Riverside North of Palm Springs 305 Comment
  SEINET10492047  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  RSA135302  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11626 Riverside Just west of Blythe Air Field. Comment
  RSA784972  Camissonia claviformis subsp. aurantiaca Duncan S. Bell 2012-3-18 3215 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
  POM48921  Camissonia confusa P. A. Munz 1924-5-18 8142 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  UCR152514  Camissonia hirtella A. C. Sanders 2005-4-22 29614 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR45967  Camissonia hirtella R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60623 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  RSA559415  Camissonia ignota Steve Boyd 1992-4-15 6865 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR258630  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7895 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR90416  Camissonia intermedia D. L. Banks, Steve Boyd 1995-4-5 0137 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 610 Comment
  SEINET2082587  Camissonia lewisii G. Rink 1999-5-22 sn Riverside 6 miles S of Banning on Highway. 243, north end of the San Jacinto Mountains 1200 Comment
  RSA654879  Camissonia micrantha Mitch Provance 1998-3-31 307 Riverside Wilder's Mt. Pass'', ca. 1/8 mile NE of peak 1538. 335 Comment
  UCR116814  Camissonia pallida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23944 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  POM37761  Camissonia pallida subsp. pallida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR269212  Camissonia pallida subsp. pallida Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1253 Riverside San Bernardino Mtns., Haugen-Lehmann Way off I-10, Pacific Crest Trail (PCT) in canyon directly west of Whitewater 675 Comment
  POM258908  Camissonia refracta E. C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. 366 Comment
  SEINET269548  Camissonia refracta John Wear 1995-3-22 Riverside Colorado Desert:chuckwalla Bench upper Salt Creek wash west of Eagle Mountain Railroad 488 Comment
  CLARK-A1528-665  Camissonia strigulosa Charlotte Stocks 1963-4-28 Riverside Box Canyon Comment
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Jul 7 2020
  UCR158276  Camissonia strigulosa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30124 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
  UCR26486  Camissonia strigulosa A. C. Sanders 1981-5-20 2123 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
  UCSB4466  Camissoniopsis hirtella Sager, Ginny 1960-5-14 Riverside San Jacinto Mtns between Banning and Idyllwild 914 Comment
  UCD170656  Camissoniopsis ignota A. C. Sanders 2014-4-25 41065 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15. 386 Comment
  JOTR34069  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2966 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
  RSA612510  Capsella bursa-pastoris D. L. Banks, Joe Moreno 1997-2-5 1264 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., Including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  PASA395  Capsella elliptica Frank W. Peirson 1921-4-11 Riverside Murray Canyon, Palm Springs Region Comment
  RSA228815  Cardamine californica var. integrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 601 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  SEINET7556721 Image available Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. Fallbrook 7.5' Q. 640 Comment
  UCR96417  Carex pellita Scott D. White 1996-8-1 4409 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA364778  Carex triquetra J. D. Olmsted 1962-5-10 3657 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  CHSC108389  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy 74). UTM: (NAD 83) 11S 0507778E 3734143N. 530 Comment
  RSA667138  Castilleja affinis A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. NE Murrieta. 396 Comment
  RSA516607  Castilleja affinis R. C. Bacigalupi, L. R. Heckard, C. L. Custer 1953-5-5 4077 Riverside Along Calif. Highway 79, at first right-angle turn 5.7 mi. S. of Hemet, at edge of hills south of Diamond Valley. 518 Comment
  POM12217  Castilleja applegatei subsp. martinii Mary F. Spencer 1921-7-1 1669 Riverside Idyllwild. 1616 Comment
  POM312121  Castilleja applegatei subsp. martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA448698  Castilleja applegatei subsp. martinii C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Above Marion Camp, Mount San Jacinto. Comment
  RSA448712  Castilleja applegatei subsp. martinii Christopher Davidson 1977-5-18 5628 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA773126  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-4 1262 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA779955  Castilleja foliolosa Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2629 Riverside In a side canyon off of the West Fork of Mission Creek approximately 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek. 944 Comment
  RSA801813  Castilleja foliolosa LeRoy Gross, Evan Meyer 2013-5-21 6107 Riverside 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, near [coordinates given.] 1631 Comment
  UC1584120  Castilleja foliolosa Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3831 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mtn.); Vail Lake Area, Big Oak Mtn. 396 Comment
  UCR104890  Castilleja foliolosa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20664 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR17491  Castilleja foliolosa N. R. Zabriskie, W. W. Zabriskie 1971-4-9 383 Riverside Santa Rosa Mtns, N slope of Mtns. west of water service road 2 mi south of Hwy 74, Deep Canyon watershed Comment
  UCR237694  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4779 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 600 Comment
  UCR193267  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35618 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  SDSU17676  Castilleja subinclusa subsp. subinclusa Jerry Jenkins 2001-4-1 2001 -025 Riverside Santa Margarita Ecological Reserve. Side road going south from mine road, UTM zone 6, 482550E, 3699900N. Comment
  JOTR16634  Caulanthus cooperi Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH JUMBO ROCKS 1280 Comment
  SBBG87798  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of gasline rd; T7S, R15E, S30 640 Comment
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Jun 1 2011
  UCR112578  Caulanthus heterophyllus D. E. Bramlet 1992-4-2 2203 Riverside San Bernardino Mtns., San Gorgonio River at the confluence with Hathaway Creek on the Morongo Indian Reservation; 15.2m north of Morongo Road and 2.2km northeast of the San Bernardino freeway (I-10). 701 Comment
  UCR174142  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32570 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
  UCR89796  Caulanthus heterophyllus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1795 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  SD173249  Caulanthus simulans Juergen Schrenk 2005-3-16 10 Riverside Wilson Valley Road, southwest Riverside County Comment
  RSA0054958  Ceanothus Keith E. Hoffmaster 1932-1 502 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  SDSU10257  Ceanothus cordulatus T. B. Bruhns 1965-5-22 106 Riverside Strawberry Valley. Trail beginning above Idyllwild. Comment
  RSA552487  Ceanothus crassifolius Steve Boyd 1992-2-21 6667 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UC723782  Ceanothus crassifolius Joseph Andorfer Ewan 1933-3-19 10899 Riverside Tin Mine Canyon Santa Ana Mts. (along canyon bottom) Comment
  SEINET13945800 Image available Ceanothus crassifolius Lewis S. Rose 1949-1 49072 Riverside 2 mi. south of Temecula 366 Comment
  CAS-BOT-BC49184  Ceanothus cuneatus H. E. McMinn 1925-7-2 1522 Riverside Idyllwild grade San Jacinto Mts. Comment
  RSA575059  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -C Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA701745  Ceanothus cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 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
  UCR22043  Ceanothus cuneatus Steve Boyd 1980-5-22 300 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  SD232320  Ceanothus greggii Scott D. White, Justin M. Wood 2009-5-21 12866 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station. 1372 Comment
  CAS-BOT-BC51280  Ceanothus leucodermis R. S. Woglum 1941-6-12 3058 A Riverside Idyllwild Comment
  JEPS42020  Ceanothus leucodermis W. L. Jepson 2291 Riverside Strawberry Valley San Jacinto Canyon 1676 Comment
  UC1563045  Ceanothus leucodermis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3082 Riverside s of Hwy 79 (Kolb Creek drainage, w of Woodchuck Rd.); Vail Lake area 487 Comment
  UC494740  Ceanothus leucodermis Philip A. Munz 1932-3-24 12027 Riverside s of Lake Elsinore (base of mts.) 365 Comment
  CAS-BOT-BC51647  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7918 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UCR179206  Ceanothus perplexans Mitch Provance, Tracy Tennant 1998-6-16 MOR- 384 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UC217954  Ceanothus tomentosus P. A. Munz 1922-4-30 5131 Riverside St. John's Grade, south of Hemet. Comment
  CAS-BOT-BC63251  Ceanothus tomentosus var. olivaceus R. Bacigalupi 1935-3-28 2336 Riverside Along U.S. Highway 99, 5 mi. e. of Redlands. Comment
  CAS-BOT-BC63253  Ceanothus tomentosus var. olivaceus M. French Gilman 1928-3-13 s.n. Riverside Canyon on n. slope of San Jacinto Mts. bet. Cabazon and Whitewater. Comment
  CAS-BOT-BC63259  Ceanothus tomentosus var. olivaceus P. Munz; L. Street; G. Williams 1919-3-25 2326 Riverside Beaumont. Comment
  RSA221096  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1966-3-23 6092 Riverside Santa Ana Mountains: Corona between Tin Mine Canyon and Santiago Peak, Skyline Drie. Comment
  RSA91826  Cenchrus echinatus F. W. Peirson 1937-11-27 12246 Riverside La Quinta, Coachella Valley. 0 Comment
  RSA488921  Centaurea melitensis Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  RSA519241  Centaurea melitensis 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
  POM3384  Centaurium exaltatum Geo R. Hall 1905-9-3 s.n. Riverside Riverside Comment
  UCR130713  Centaurium venustum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4079 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR38687  Centaurium venustum J. M. Stewart 1985-5-20 8521 Riverside Sonoran (Colorado) Desert, Palm Canyon 244 Comment
  UCR16357  Centranthus ruber M. Wexler 1973-5-13 s.n. Riverside Santa Ana Mtns, 7.94 mi from Orange Co. line on State Hwy 74, on NE face of mountains 549 Comment
  RSA737355  Centromadia pungens subsp. laevis Justin M. Wood 2008-9-19 138 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SD243094  Centromadia pungens subsp. laevis Jeremiah George 2012-7-9 Riverside San Timoteo Canyon, west side of San Timoteo Canyon Road, NE corner of Fisherman's Retreat Lake (El Casco 7.5'Q) 597 Comment
  UCR266266  Centromadia pungens subsp. laevis D. E. Bramlet 2006-6-14 4022 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, SW of Hemet, north of Simpson Rd. and east of California Ave. 457 Comment
  UC161908  Centrostegia thurberi var. thurberi C. R. Orcutt Riverside Colorado Desert Comment
  UC1128901  Cercidium floridum subsp. floridum H. S. Yates 1936-4-8 5453 Riverside near Fish Springs; Thermal Quadrangle 60 Comment
  JOTR30770  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UCR14863B  Cercocarpus minutiflorus O. F. Clarke, A. C. Sanders, Dan Vossler 1975-7-23 s.n. Riverside Santa Ana Mountains, west of Murrieta,,west side of a canyon along Tenaja Road. Close to Mesa De Burro which forms the canyon wall a little farther down stream 549 Comment
  UC75942  Chaenactis artemisiifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  CAS-BOT-BC276399  Chaenactis carphoclinia N. Aitkenhead 1977-2-2 2113 Riverside 1 mile from junction of JT Mon. Road and pipeline Comment
  UCR41555  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6110 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC276920  Chaenactis fremontii C. L. Hitchcock; C. V. Muhlick 1964-3-22 23265 Riverside At W end of PInto Basin, Joshua Tree National Monument Comment
  JOTR38681  Chaenactis fremontii Hodges, Stephen R. 2017-2-7 697 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  RSA504982  Chaenactis fremontii D. Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree Nat'l Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road 610 Comment
  UCR4207  Chaenactis fremontii K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  VVC703  Chaenactis fremontii P. J. MacKay, T. Thomas 1997-2-8 92 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  SEINET7097943  Chaenactis glabriuscula A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao NAD 27 (Converted to WGS84 decimal degrees) Comment
  UCR49268  Chaenactis glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  OBI23668  Chaenactis glabriuscula var. glabriuscula David J. Keil, Malcolm Mcleod 1977-3-26 12004 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  POM305652  Chaenactis glabriuscula var. glabriuscula Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1014 Riverside Aguanga. Comment
  RSA583749  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA500072  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3239 b Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA711221  Chaenactis glabriuscula var. lanosa A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  CAS-BOT-BC284349  Chaenactis stevioides H. M. Hall 1905-5-1 6099 Riverside Ash Hill, Colorado Desert Comment
  UC667268  Chaenactis stevioides Annie M. Alexander and Louise Kellogg 1941-5-11 2154 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring 883 Comment
  POM351834  Chaenactis stevioides var. stevioides M. B. Dunkle 1937-3-25 4938 Riverside Colorado Desert. Comment
  RSA779629  Chaenactis stevioides var. stevioides Duncan S. Bell 2010-4-1 672 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  RSA545217  Chamaesyce R. F. Thorne 1970-10 41878 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA736786  Chamaesyce albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC71990  Chamaesyce albomarginata Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA782276  Chamaesyce micromera R. W. Spjut 2007-10-12 16154 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  UC750619  Chamaesyce polycarpa Lewis S. Rose 1946-12-25 46305 Riverside 5 mi e Cabazon; San Gorgonio Pass 441 Comment
  CDA4865  Chamaesyce prostrata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside North side of Blaine Street just west of Gage Canal, Riverside. Comment
  POM8325  Chamaesyce serpillifolia H. M. Hall 1904-5-24 4961 Riverside Santa Ana river near Riverside. 244 Comment
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Nov 24 2016
  JEPS52354  Chamaesyce serpyllifolia Carl V. Meyer 1928-7-30 587 Riverside Saunder's Meadow Comment
  POM253440  Chamaesyce setiloba Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  UC489275  Chamerion angustifolium subsp. circumvagum C. V. Meyer 1928-7-26 534 Riverside Deer Springs San Jacinto Mt. 2743 Comment
  RSA524228  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4022 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA685781  Cheilanthes newberryi M. B. Dunkle 1935-3-10 4359 Riverside Near Abernathy, Temescal Canyon 274 Comment
  RSA757446  Cheilanthes newberryi R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55225 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  UC2015694  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  UCR151107  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  UC433200  Cheilanthes parryi J. G. Lemmon 1876-4-26 Riverside San Gorgonio Pass; Mt San Jacinto Comment
  CLARK-A1528-2557  Chenopodium ambrosioides var. anthelminticum John C. Roos 1952-6-10 5756 Riverside Santa Ana River 259 Comment
  RSA654881  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR114542  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1999-6-18 22810 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA561512  Chenopodium berlandieri var. sinuatum Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7661 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UC1287135  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside hills about 5 mi ne Aguanga Comment
  UCR20741  Chenopodium californicum A. C. Sanders, Steve Boyd 1980-5-2 1395 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR25083  Chenopodium incognitum A. C. Sanders 1980-7-18 1638 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA654548  Chenopodium murale Lydia Paneri 1982-4-17 47 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
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Feb 24 2013
  UCR113017  Chenopodium strictum var. glaucophyllum A. C. Sanders, K. C. Rose 1998-5-21 21851 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
  RSA0108979  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 286 Comment
  RSA650063  Chilopsis linearis Peter Gail 1961-5-12 s.n. Riverside Pushawalla Canyon, 2 miles from Powerline Rd. Comment
  UCSB8349  Chilopsis linearis Wilson, Richard 1958-5-18 Riverside 3 miles West of Palm Springs Comment
  UCR147667  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11264 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
  UCD130404  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside just west of Blythe along a canal near Hobson Way. Comment
  UCD57916  Chloris gayana F. M. Reed 1934-1-5 s.n. Riverside from garden in Riverside. Comment
  RSA192143  Chlorogalum parviflorum H. A. Zuill 1966-6-19 222 Riverside 6 miles SW of Murrieta on the road to Los Alamos Ranch. Comment
  RSA0049539  Chlorogalum parviflorum Steve Boyd, David E. Bramlet 1990-4-29 4512 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA727872  Chorizanthe brevicornu Naomi Fraga, Lisa Rojas 2005-2-10 1362 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR213385  Chorizanthe brevicornu A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37444 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  CAS-BOT-BC191705  Chorizanthe brevicornu var. brevicornu Geo. B. Grant 1906-4-20 6715 Riverside Palms Springs Comment
  UCR135827  Chorizanthe coriacea A. C. Sanders, Guy Bruyea 2004-4-2 27437 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR137560  Chorizanthe coriacea A. C. Sanders 2004-5-5 27758 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA599401  Chorizanthe fimbriata R. E. Riefner 1994-5-2 94 -356 Riverside Santa Rosa Plateau, ca. 2 mi from Clinton-Keith Rd on Tenaja Rd. Comment
  UCR174176  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32575 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
  UCR199923  Chorizanthe parryi var. parryi Scott D. White, Justin Wood 2008-4-16 11885 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  RSA543592  Chorizanthe polygonoides var. longispina Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6143 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA740949  Chorizanthe polygonoides var. longispina Scott D. White, Justin M. Wood 2008-6-17 12195 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR281262  Chorizanthe polygonoides var. longispina Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 37 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  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
  RSA16359  Chorizanthe procumbens Percy C. Everett 1935-6-18 7173 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
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Dec 29 2009
  RSA0121214  Chorizanthe rigida Duncan S. Bell, LeRoy Gross 2016-3-8 8818 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  RSA519203  Chorizanthe staticoides M. Lee Overholtzer 1962-7-4 294 Riverside North end of Cleveland National Forest, Santa Ana Mountains, Santa Ana River Drainage Area. 1341 Comment
  UCR213545  Chorizanthe staticoides Michael Honer 2003-7-15 1847 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  UC489281  Chrysolepis sempervirens C. V. Meyer 1928-7-31 614 Riverside Tahquitz Peak; San Jacinto Mts. 2438 Comment
  UCR111778  Chrysothamnus nauseosus Mitch Provance 1998-5-4 1716 Riverside Riverside (Rubidoux), Belltown area, 'gravel pits' just south of 26th St. and Hall Ave. 250 Comment
  POM351972  Chrysothamnus nauseosus subsp. bernardinus N. R. Zabriskie, W. M. Zabriskie 1971-8-21 434 Riverside Toro Peak, Santa Rosa mtns 2657 Comment
  UC1184318  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11569 Riverside slopes above wash; Chuckwalla Mountains, Corn Springs Comment
  SD16812  Chylismia cardiophylla subsp. cardiophylla Allen Keller 1937-3-13 Riverside Painted Canyon. Comment
  SBBG28551  Chylismia claviformis subsp. aurantiaca D. Myrick 1964-4-30 817 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  UCD103919  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA0051555  Cirsium acaulescens Nancy Anderson 1955-5-22 s.n. Riverside Hemet Meadow. 1371 Comment
  RSA0070886  Cirsium scariosum G. R. Campbell 1951-5-30 16156 Riverside Northern end of Hemet Valley, San Jacinto Mountains. 1616 Comment
  RSA573434  Cirsium vulgare Steve Boyd, Timothy S. Ross 1994-9-14 8341 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  RSA769770  Claytonia parviflora Duncan S. Bell, J. D. England 2010-5-17 1003 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  UCR213902  Claytonia parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  RSA525403  Claytonia perfoliata Steve Boyd, David E. Bramlet 1990-4-29 4504 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. 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
  UCR16641  Claytonia perfoliata subsp. perfoliata H. C. Sharma 1976-4-26 760426- 04 Riverside about 3 miles south of Washington Street on the side of Mockingbird Canyon 335 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
  UCR133404  Clematis lasiantha Tracy Tennant, J. S. Ross 1998-5-7 MOR- 85 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR139030  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside Agua Tibia Mtns., NW Palomar Mountains, Pechanga Indian Reservation. The area along Magee Truck Trail betweem the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR5925  Clematis lasiantha K. T. Seng 1966-4-13 660413- 9 Riverside Santa Ana Mtns, NE slope of Santa Ana Mountain, end of Main Street, 4 mi. from downtown Corona 457 Comment
  UC1714505  Clematis pauciflora Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA440818  Cleome isomeris Emery M. Whilton 1937-1-7 s.n. Riverside Box Canyon. Comment
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Feb 14 2013
  JEPS24218  Collinsia concolor Peter H. Raven 1958-5-18 13004 Riverside Pinyon Flats San Jacinto Mountains (near stream) Comment
  RSA0117430  Collinsia concolor Steve D. Boyd 1995-4-24 8478 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail southeast of its junction with the Dripping Springs Trail. 610 Comment
  SBBG93117  Collinsia heterophylla R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  UCR92659  Collinsia heterophylla Scott D. White 1996-3-31 3861 Riverside Elsinore Basin: Bundy Canyon, SE of Lake Elsinore. About 1 road mi (~0.2 mi) east of Bundy Canyon Rd. exit from I-15 freeway 451 Comment
  SEINET3080984 Image available Conium maculatum Unknown 1966-5-16 Riverside Specific location: Camp Evans. At the foot of the western side of Mt. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  UCR189583  Convolvulus simulans Ryann Loomis 2006-6-6 017 Riverside Peninsular Range, Perris-Aguanga Basin, 1.2 mi north of northwestern corner of Vail Lake, on peak of Oak Mountain 817 Comment
  RSA381979  Corallorhiza maculata Christopher Davidson 1978-6-15 7396 -C Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA770422  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4876 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  POM230197  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6961 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  RSA783051  Corethrogyne filaginifolia J. D. Olmsted 1959-8-18 795 Riverside By archery range at Desert Sun school near Idyllwild at border of P. pondorosa woodland 1646 Comment
  UC1119251  Corethrogyne filaginifolia A. Lewis 1934-5-1 458 Riverside 1 mi w La Cienaga; Cleveland National Forest, Elsinore Quadrangle 822 Comment
  POM13258  Cornus glabrata P. A. Munz 1922-6-24 5806 Riverside Pipe Creek, Kenworthy 1524 Comment
  UCR51857  Coronopus didymus Steve Boyd 1987-5-9 2085 Riverside Riverside, J.V. Boyd Residence, 2307 Oak Crest 366 Comment
  UCR155151  Crassula aquatica A. C. Sanders, Kelly Volansky 2005-3-17 29200 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
  HSC85412  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR20730  Crassula connata A. C. Sanders, Steve Boyd 1980-5-2 1394 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR91507  Crassula connata Scott D. White 1995-4-5 2760 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  SD146297  Cressa truxillensis A. C. Sanders 1999-10-15 23182 Riverside San Jacinto Valley; Mystic Lake, 1.0 mile west of Jackrabbit Trail on Gilman Springs Road. 436 Comment
  RSA92578  Cressa truxillensis J. C. Roos 1952-5-21 5703 Riverside San Jacinto River bottomland 1.5 miles southeast of Perris 426 Comment
  CAS-BOT-BC175812  Crossosoma bigelovii Cecil Hart 1927-3-3 s.n. Riverside Morongo Valley near Whitewater Comment
  JOTR29599  Crossosoma bigelovii Andre, Jim 2006-4-26 6756 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR274217  Crossosoma bigelovii Duncan S. Bell, Evan Meyer 2014-10-29 7678 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  JEPS52473  Croton californicus R. L. Pendleton 1905-9-25 Riverside Riverside Comment
  SBBG92711  Croton californicus J. C. Dice, V. Moran 1987-11-28 760 Riverside Temecula Gorge, on N bank of Santa Margarita River at aqueduct crossing 250 Comment
  UCR187280  Croton californicus Diane Menuz, Theresa Johnson 2006-6-15 157 Riverside Peninsular Range; San Jacinto Mtns, San Bernardino National Forest, Bautista Canyon, just off the road c. 1/2 mile below Bautista Spring 762 Comment
  UC1010304  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside river bottomland 1 1/2 mi se Perris; San Jacinto River 426 Comment
  RSA89903  Crypsis vaginiflora J. C. Roos 1952-6-4 5735 Riverside San Jacinto River bottomland 1.5 miles SE of Perris. 427 Comment
  SEINET5584422  Cryptantha Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 110 Comment
  CLARK-A1528-5391  Cryptantha angustifolia John C. Roos 1947-2-14 3254 Riverside Eagle Mountains Comment
  RSA0040032  Cryptantha angustifolia W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  RSA480006  Cryptantha barbigera Steve Boyd, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2137 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA0124822  Cryptantha barbigera var. fergusoniae Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8747 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  SDSU18705  Cryptantha barbigera var. fergusoniae Kristen Hasenstab, M. G. Simpson 2008-4-2 64 Riverside Joshua Tree National Park. Southwest Hidden Valley, 200 ft east of the Hidden Valley nature Loop Trail . Located under scrub-oak and Coleogyne ramosissima. 1321 Comment
  RSA0078966  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1428 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  JEPS67650  Cryptantha intermedia W. L. Jepson 1939-4-17 19126 Riverside near Twin Springs (n end, sw Riverside County); Temescal Canyon 274 Comment
  POM6557  Cryptantha intermedia P. A. Munz, G. Williams 1919-3-28 2376 Riverside Banning 701 Comment
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Mar 13 2011
  SD237367  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37726 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34a^z) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 427 Comment
  SEINET7073314  Cryptantha intermedia A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UC1112452  Cryptantha intermedia Peter H. Raven with R. Snow 1957-7-26 10924 Riverside 0.9 mi n Vista Grande Ranger Station (Banning to Idyllwild road); San Jacinto Mountains Comment
  UC56843  Cryptantha intermedia H. M. Hall 1902-4-26 2991 Riverside vicinity Riverside 365 Comment
  UC857163  Cryptantha intermedia Mary F. Spencer 1992-4-23 2063 Riverside near Banning; Millard Canyon 716 Comment
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Mar 13 2011
  UCD119837  Cryptantha intermedia A. A. Beetle 1940-1 s.n. Riverside near Sage. Comment
  UCR110966  Cryptantha micrantha var. lepida George K. Helmkamp 1998-6-27 4096 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR162407  Cryptantha micrantha var. lepida S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  RSA525672  Cryptantha microstachys Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4543 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
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Aug 22 2008
  RSA676087  Cryptantha microstachys Scott D. White 2001-4-13 8325 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  SEINET3084419 Image available Cryptantha microstachys Andrew C. Sanders, B. Pitzer 1986-4-30 6479 Riverside San Jacinto Mtns; Bee Cyn, along the road, 1.1 mi. above mouth of canyon at the San Jacinto River Valley 703 Comment
  UCR160322  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Peninsular Ranges; Santa Ana Mtns Region, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 793 Comment
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Jul 5 2010
  UC1595557  Cryptantha muricata Steve Boyd and Rita Gentry 1991-5-30 6316 Riverside summit of Hogbacks on Gentry Experimental Farm Murrieta, Hogbacks 542 Comment
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May 18 2009
  RSA0079421  Cryptantha muricata var. jonesii Steve Boyd 1991-5-20 6276 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR228203  Cryptantha nevadensis Dave Silverman 2010-3-30 7884 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  JEPS67801  Cryptantha pterocarya E. E. Schellenger May 1920 Riverside Chuckwalla Bench Colorado Desert Comment
  RSA796031  Cryptantha pterocarya var. cycloptera Duncan S. Bell 2009-4-18 254 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  JOTR35073  Cryptantha pterocarya var. pterocarya La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3525 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  CLARK-A1528-2232  Cryptantha racemosa John C. Roos 1948-5-1 3815 Riverside Whitewater 609 Comment
  UC857249  Cryptantha racemosa C. L. Hitchcock 1940-4-1 5913 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  SEINET3082941 Image available Cucurbita palmata Unknown 1965-3-7 Riverside Directly 3 miles s of Palm Desert on Palms to Pine highway 122 Comment
  CAS-BOT-BC224383  Cuscuta Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  LA210098  Cuscuta californica var. papillosa A. M. Johnson; 1933-4-28 4124 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  UCR214153  Cuscuta denticulata T. B. Salvato 2010-4-20 4052 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR266411  Cycloloma atriplicifolium D. E. Bramlet, Fred M. Roberts 2005-6-6 3872 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  RSA0098327  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-25 18288 .1 Riverside Orocopia Mountains, 2.4 km north of Red Canyon, 52 km east of Indio. 658 Comment
  RSA0031297  Cylindropuntia chuckwallensis Mitzi Harding, Marc A. Baker, Michelle Cloud-Hughes 2013-4-11 134 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 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
  RSA709855  Cylindropuntia echinocarpa Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4634 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  SDSU2277  Cymopterus panamintensis var. acutifolius D. F. Howe 1966-4-6 4162 Riverside Near entrance to Joshua Tree National Monument. 823 Comment
  RSA0029198  Cynanchum utahense John F. Emmel 1997-10-20 1532 Riverside Joshua Tree National Park: Pinto Wells Road, 0.5 road mi north of park boundary. 302 Comment
  CLARK-A1656-743  Cynodon dactylon Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  JOTR32387  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SEINET10468117  Cynodon dactylon Billy Joe Cox 1975-6-26 Cox 4198 Riverside Co. Imperial. Palo Verde, 1-3 km E, (ca. 32 mi S of Blythe); creosote desert scrub; sandy and gravelly entisols; 70 Comment
  SEINET3004915  Cyperus G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10333 -b Riverside Canal two miles north of Blythe. 70 Comment
  UCR88168  Cyperus acuminatus Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  POM1340  Cyperus eragrostis D. L. Crawford, I. M. Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona Comment
  POM78942  Cyperus eragrostis I. M. Johnston 1925-7-19 s.n. Riverside Pedley. Comment
  CAS-BOT-BC114417  Cyperus erythrorhizos A. C. Sanders; Oscar F. Clarke 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mi SE of Louis Rubidoux Nature Center. Comment
  SEINET269474  Cyperus odoratus Scott D. White, Steve Ogg 1994-10-17 2460 Riverside Murrieta Creek 1000 ft south of Winchester road bridge (Banana Avenue on USGS Murrieta quad) 310 Comment
  UC1930198  Cyperus odoratus Scott D. White, Lynn Stafford 2007-7-5 11756 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  UCR207812  Cyperus odoratus O. F. Clarke 2004-8-5 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR92351  Cyperus odoratus Scott D. White, S. Ogg 1994-10-17 2460 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  SEINET9886881 Image available Cyperus squarrosus Andrew C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23063 Riverside San Jacinto Mtns.; NW shore of Lake Hemet, at Forest Service day use area; TRS: 6S 3E 8 NW/4 1322 Comment
  POM11143  Cystopteris fragilis P. A. Munz 1922-7-6 6041 Riverside San Jacinto Peak, occasional at summit. 3287 Comment
  CAS-BOT-BC334204  Dalea O. F. Clarke 2010-2-20 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  RSA0124740  Dalea mollis Duncan S. Bell, LeRoy Gross 2016-3-9 8845 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA703741  Dalea mollis LeRoy Gross 2005-3-3 1557 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SEINET906499  Dalea mollis M. F. Wojciechowski 1993-1 284 Riverside Little Maria Mtns., near Midland, hills on former US gov;t. installation Comment
  RSA337191  Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Residence of O F Clarke, 1012 Spruce St, Cultivated plants and weeds on 3.5 acres of former orange orchard. Comment
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Oct 25 2011
  HSC25961  Datura wrightii R. W. Spjut 1972-1-20 2122 Riverside Colorado Desert, near Kaiser Mine 10 mi. N of Desert Center 305 Comment
  RSA770445  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4555 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR480  Datura wrightii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, About 3 mi east of Mecca on Box Canyon Road 0 Comment
  UCSB17915  Datura wrightii Brooks, Terry 1963-5-4 Riverside State Highway 111, 9.2 miles W of Palm Desert 106 Comment
  IRVC26246  Daucus pusillus A. C. Sanders, D. Malueg 2003-5-8 26578 Riverside 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 Perris-Aguanga Basin region 396 Comment
  UCR174459  Daucus pusillus A. C. Sanders 2006-5-19 32386 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
  SEINET7837536  Deinandra M. Wall, Whiting, Dick 2005-8-6 402 Riverside Peninsular Ranges. Perris-Aguanga Basin region. SE Hemet, Santa Rosa Hills, Simpson Park. Comment
  OBI5733  Deinandra fasciculata C. M. Wilder 2004-6-4 s.n. Riverside Jurupa Hills near Riverside, Wilder's Cyn Comment
  SBBG104657  Deinandra fasciculata M. A. Patten 1992-5-28 92 -12 Riverside just E of Temecula, between Pauba Rd on the N and De Portola Rd on the S, W boundary of site adjacent to Butterfield State Rd 365 Comment
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Aug 24 2013
  CAS-BOT-BC294111  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside 365 Comment
  JEPS12649  Deinandra kelloggii W. L. Jepson May 17 1901-Jun 1 1901 1237 Riverside hills near San Jacinto Lake Comment
  UC68894  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside vicinity of Riverside 365 Comment
  SD232185  Deinandra mohavensis V. Soza, Steve Boyd and Neil Gilbert 2000-12-6 1063 b Riverside Peninsular Ranges, San Jaginto Mountains region: Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1310 Comment
  CAS-BOT-BC131033  Deinandra paniculata Peter H. Raven; Sidney R. Snow 1956-6-30 9531 Riverside Dripping Springs Guard Station, Temecula River Comment
  RSA777348  Delphinium parishii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4704 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCD96240  Delphinium parishii H. Lewis; C. Epling 1941-5-4 s.n. Riverside 5 miles S. of White Tank on the road to Pinto Basin, Joshua Tree Nat. Mon. Comment
  RSA398676  Delphinium parishii Anstruther Davidson 1924-1 s.n. Riverside [Unspecified] Comment
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Nov 17 2011
  UCSB1983  Delphinium parishii subsp. parishii Bobkowski, Vincent 1960-4-2 Riverside Colorado Desert; 2 miles off of road in Whitewater region north of Garnet & South of Desert Hot Springs; Whitewater Cyn Rd; 2 mi N of US 99 Comment
  RSA543781  Delphinium parryi Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6038 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA0029697  Delphinium parryi subsp. maritimum D. L. Banks, Victor W. Steinmann 1997-3-13 1428 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  CAS-BOT-BC121429  Delphinium parryi subsp. parryi H. M. Hall 1901-6-1 2013 Riverside Canyon of San Jacinto River 762 Comment
  UC1931201  Deschampsia danthonioides Scott D. White, Justin Wood 2008-6-19 12267 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  POM91010  Descurainia pinnata subsp. glabra E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs. 122 Comment
  UCR265010  Descurainia sophia Mitch Provance 2013-4-8 413- 08 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA771749  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4611 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA367458  Dichelostemma capitatum subsp. capitatum Ora M. Clark 1929-2-23 1511 Riverside South Cabazon. Comment
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Mar 13 2011
  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
  CAS-BOT-BC292188  Dicoria canescens Geo. B. Grant 1909-1-20 s.n. Riverside Palm Springs Comment
  RSA93923  Dicoria canescens F. W. Peirson 1920-12-29 2333 Riverside 1.5 miles east of Whitewater Station, head of Coachella Valley. Comment
  RSA209539  Dicoria canescens subsp. hispidula C. W. Tilforth 1969-11-23 239 Riverside 3 miles W of Desert Hot Springs. Comment
  RSA688840  Dimorphotheca sinuata Scott D. White, Michael Honer 2003-6-17 9550 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR266775  Dimorphotheca sinuata Mitch Provance, Matt Amalong 2015-3-25 315- 21 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR48475  Dimorphotheca sinuata Steve Boyd 1986-4-10 1640 B Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 1.0 mi east of the Indian Truck Trail exit of Hwy I-15. Comment
  CAS-BOT-BC150879  Diplacus X australis Munz; Street; Williams 1919-4-5 2447 Riverside Puddingstone [Canon] Canyon Comment
  SBBG55739  Diplacus X australis D. Keil, M. McLeod 1977-3-26 12024 Riverside 0.7 mi W of jct with Riverside Co Rd, R-3, to Hemet, along Hwy 79 548 Comment
  RSA0019289  Diplacus brevipes Justin M. Wood, Brandy Wood 2009-6-13 892 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  SD124542  Diplacus fremontii J. Sauer, Jan Devine 1980-5-17 6098 Riverside San Jacinto mountains; near Lake Fulmor Comment
  RSA0019414  Diplacus fremontii J. T. Howell 1927-8-2 562 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  CAS-BOT-BC150681  Diplacus longiflorus C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA0018422  Diplacus longiflorus var. calycinus D. C. Michener, Walter Wisura 1982-7-15 4061 -A Riverside Open granitic boulders and slope above CA 234 ca 0.5 mi. above crossing of Smith Creek (beginning of grade south of Banning). Comment
  SBBG120958  Dipsacus sativus K. Cambell 2006-6-15 Riverside Temecula, NW corner of Moraga Rd and Rancho California Rd 335 Comment
  RSA734977  Ditaxis claryana L. C. Wheeler 1952-12-15 7024 Riverside Riverside Mountains: Mountaineer Mine. Comment
  JOTR34105  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA23223  Ditaxis lanceolata Ernest Braunton 1940-4-3 2015 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA70426  Ditaxis lanceolata F. W. Peirson 1927-4-12 7169 Riverside In Painted Canyon near Mecca. Comment
  UCD142303  Ditaxis lanceolata Geoffrey Levin 1976-3-27 700 Riverside San Jacinto Mts.; south side of Chino Canyon; west of Palm Springs. 457 Comment
  UCR281016  Ditaxis lanceolata Fred M. Roberts 2016-3-5 7990 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  JOTR29580  Ditaxis neomexicana Andre, Jim 2006-4-6 6693 Riverside Joshua Tree National Park. Wilson Canyon, along Pinto Basin Rd 865 Comment
  UCR117379  Ditaxis neomexicana B. G. Pitzer 1998-2-1 3450 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  SBBG24505  Dithyrea californica A. I. Richardson 1966-3-23 Riverside S of Desert Highland Hot Springs rd to village of Thousand Palms Comment
  UCR48356  Dodecatheon clevelandii Steve Boyd 1986-3-9 1401 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  PASA303  Downingia immaculata Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 380 Comment
  SD28101  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside Summit of San Jacinto Peak 3293 Comment
  CAS-BOT-BC535005  Drymocallis glandulosa var. reflexa C. B. Wolf 1931-5-11 1961 Riverside San Jacinto Mts. near Pipe Creek above Hemet Valley, Upper Sonoran 1676 Comment
  UCR37490  Dryopteris arguta Steve Boyd 1981-2-2 s.n. Riverside Peninsular Range, Gavilan Hills, Rocky Bluff Ridge Comment
  UCR271408  Dudleya abramsii subsp. abramsii John F. Emmel 2001-4-28 1701 Riverside San Jacinto Mountains, Garner Valley, 0.2 air mile south of trailhead parking area for Ramona Trail 1402 Comment
  UC1015383  Dudleya alainae Reid Moran 1947-5-10 2182 Riverside 1.5 mi from Hwy (Santa Rosa Rd) 1676 Comment
  UCR47860  Dudleya edulis S. J. Myers 1987-6-24 s.n. Riverside Peninsular Range, Murrieta Creek, at confluence with Temecula Creek, near the town of Murrieta 290 Comment
  RSA125606  Dudleya lanceolata Lee W. Lenz, H. N. Metcalf 1957-6-7 22623 Riverside About 15 mi. south of Hemet along Hwy 79. Comment
  SD232223  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  SD137796  Dudleya pulverulenta subsp. pulverulenta Darin L. Banks, Steve Boyd 1995-10-17 818 Riverside Northwest Palomar Muntains; Agua Tibia Mountains; Agua Tibia Wilderness Area, along lower Arroyo Seco, south of the Dripping Springs Campgroun 525 Comment
  CAS-BOT-BC109607  Dudleya saxosa subsp. aloides Carl B. Wolf 1937-4-5 8414 Riverside San Gorgonio Pass, 1 mile west of Whitewater. 365 Comment
  CAS-BOT-BC109648  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 688 Riverside San Jacinto Mountains, 4.0 miles west of Mountain Center on Highway 74. 1219 Comment
  RSA720444  Dudleya saxosa subsp. aloides Naomi Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1703 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  RSA747756  Dudleya saxosa subsp. aloides Scott D. White, Justin M. Wood 2009-4-28 12607 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CAS-BOT-BC109625  Dudleya saxosa subsp. saxosa Reid Moran 1941-5-4 835 Riverside Hidden Valley, Joshua Tree National Monument. 1300 Comment
  RSA192242  Echinochloa crus-galli H. A. Zuill 1966-7-17 291 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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Jan 23 2009
  RSA370868  Echinochloa crus-galli R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61273 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UCR199669  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  UCR225160  Eleocharis bella Steve Boyd, Gary Wallace 2005-7-30 11646 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  POM250496  Eleocharis palustris I. W. Clokey, E. G. Anderson 1935-8-21 6565 Riverside Hemet Lake. 1320 Comment
  SBBG101695  Eleocharis palustris S. Boyd, T. Ross 1991-6-14 6382 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
  UCR200686  Eleocharis parishii Steve Boyd, Aydee Virgen 2004-4-13 10880 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR133331  Elymus condensatus 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
  CAS-BOT-BC227734  Elymus elymoides H. M. Hall 1901-8-1 2601 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2529 Comment
  POM13071  Elymus elymoides E. C. Jaeger 1921-6-25 s.n. Riverside Caramba, Palms to Pines Trail, San Jacinto Mountains., [Caramba Camp: 34 deg 47'N, 116 deg 37'25W] Comment
  CSUSB447  Elymus glaucus Heather Hanson 1966-5-16 Riverside Camp Evans; At the foot of the western side of Mount. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  POM12137  Elymus glaucus subsp. glaucus Mary F. Spencer 1919-6-30 1314 Riverside Near Idyllwild, San Jacinto Mountains. 1616 Comment
  LA14853  Elymus multisetus F. M. Reed; 1906-5-14 sn Riverside about Riverside Comment
  RSA751793  Elymus stebbinsii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35560 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  RSA754125  Elymus trachycaulus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 16 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  RSA357851  Emmenanthe penduliflora Robert F. Thorne, M. Z. Thorne 1973-3-30 42696 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA747732  Emmenanthe penduliflora Scott D. White, Justin M. Wood 2009-3-24 12571 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
  UC809725  Emmenanthe penduliflora Philip A. Munz 1949-4-13 13055 Riverside Slope above Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR41850  Emmenanthe penduliflora A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6037 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  SEINET7048160  Emmenanthe penduliflora var. penduliflora Steven R. Hill 2001-5-3 33661 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
  CAS-BOT-BC131168  Encelia actoni Annie M. Alexander; Louise Kellogg 1941-5-18 2197 Riverside 2 miles northeast of Cottonwood Spring, Eagle Mountains 1021 Comment
  POM262947  Encelia actoni J. C. Roos 1941-5-10 s.n. Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  HSC84168  Encelia farinosa B. Pitzer, L. F. LaPre 1987-3-2 421 Riverside Bundy Canyon; ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. 701 Comment
  SD229085  Encelia farinosa Dick Schwenkmeyer 2012-11-6 865 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UC111151  Encelia farinosa F. M. Reed 1907-2-2 1212 Riverside Arroyo Tequesquite Comment
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Jul 30 2006
  UCD20085  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -211 Riverside Growing at mouth of Whitewater Canyon, about 15 miles northwest of Palm Springs. Comment
  UCR120566  Encelia farinosa Helen Kennedy, T. B. Salvato 2002-2-2 5452 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR90979  Encelia farinosa Scott D. White 1996-3-16 3825 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  POM312674  Encelia farinosa var. farinosa D. Taylor 1951-3-22 10 Riverside Near Midland, Maria Range. 457 Comment
  RSA556487  Encelia farinosa var. farinosa Julie Greene 1993-3-13 1051 Riverside West of Poleline Rd. 457 Comment
  CHSC99338  Ephedra aspera LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 a Riverside Colorado Desert; Chocolate-Chuckwalla Mountains Region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 37' 32'N, 115 19' 35'W: UTM 3721895N, 655238E Elevation 1574 feet to 33 36' 52'N, 115 19' 54'W: UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottom and slopes. 514 Comment
  RSA703486  Ephedra aspera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1434 -a Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  UC1083312  Ephedra californica Herbert L. Mason 1928-3-10 4187 Riverside White Water River Comment
  VVC2867  Ephedra californica Tim Thomas, P. J. MacKay 2010-4-12 5046 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0020369  Ephedra nevadensis Duncan S. Bell 2012-3-4 3128 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA794236  Ephedra nevadensis J. Andre 2012-3-19 21334 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  UC729947  Ephedra nevadensis B. D. Stark 1932-6-17 Riverside canyon above Cottonwood Springs; Colorado Desert, Eagle Mts. 396 Comment
  CAS-BOT-BC81872  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  RSA0019797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -A Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  CLARK-A1528-649  Epilobium adenocaulon Frank C. Vasek 1964-6-24 640624-1 Riverside University of California Comment
  SEINET12535812  Epilobium brachycarpum H. M. Hall s.n. Riverside South side 1615 Comment
  SDSU8799  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 335 Comment
  CAS-BOT-BC171729  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-13 4309 Riverside Colorado Desert, Cottonwood Springs, Eagle Mts. 289 Comment
  RSA589082  Epilobium canum subsp. latifolium D. L. Banks, Steve D. Boyd 1995-10-17 793 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
  UC1931072  Epilobium ciliatum Scott D. White, Justin Wood 2008-7-9 12424 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  JOTR35177  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3278 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
  RSA500201  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3543 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA644310  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Murrieta area (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. [coordinates are from the label and map incorrectly] 351 Comment
  POM12731  Epipactis gigantea Philip A. Munz 1922-7-1 5934 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  SD40733  Epipactis gigantea B. D. Stark 1933-5-13 4985 Riverside Andreas Canyon. Stream bank. 762 Comment
  UCR19157  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside San Bernardino Mtns., Whitewater Canyon 856 Comment
  JOTR33118  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2003-10-17 1600 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash 1310 Comment
  SEINET2473419 Image available Eragrostis curvula Andrew C. Sanders 2011-1 38904 Riverside Peninsular Range; city of Lake Elsinore, old section of Hwy 74 (bypassed) west of Ardenwood Way, curving around a rocky hill, roadside along current Hwy 74 toward Ardenwood. 420 Comment
  RSA596779  Eragrostis curvula var. conferta D. L. Banks, K. D. Hedge 1996-5-16 1037 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the E side of the road next to a vineyard., T8S R2W; 1/2 mile N of sec. 24. 399 Comment
  UCR65287  Eremalche exilis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3883 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA0121004  Eremalche rotundifolia Duncan S. Bell, LeRoy Gross 2016-3-8 8829 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA27803  Eremalche rotundifolia C. L. Hitchcock 1940-4-4 5955 Riverside Pinto Basin. Comment
  RSA557369  Eremocarpus setiger Julie Greene, S. D. White 1993-7-5 1402 Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  SEINET8364404  Eremogone macradenia D. W. McNeal 1981-5-19 2543 Riverside beside the Ryan Mtn. trail ca. 0.3 mi. s. of the trail head parking lot; Joshua Tree National Monument. Comment
  CAS-BOT-BC160055  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-16 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC160064  Eremothera boothii subsp. condensata F. H. Billings 1926-2-1 31 Riverside Near Indio Comment
  JEPS20763  Eremothera refracta Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13253 Riverside Hwy US 95 11.3 mi n Blythe (in wash arising from mts.); Big Maria Mts. Comment
  UC1787319  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek 487 Comment
  RSA0104869  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-5-29 123 Riverside San Jacinto Mtns: Old Banning-Idyllwild Road .4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road. Adjacent to pasture. Population voucher: Banning. 683 Comment
  CLARK-A1045-146  Eriastrum diffusum George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  UCR88118  Eriastrum eremicum A. C. Sanders, G. Nuhn 1995-4-20 16582 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  JOTR34196  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2989 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  SD38839  Eriastrum eremicum subsp. eremicum Edith A. Purer 1935-4-21 6459 Riverside Desert floor, near Palm Springs. Comment
  RSA0120075  Eriastrum eremicum subsp. eremicum Gene Ronald 1953-5-21 s.n. Riverside Palm Springs, Indian St. & Ramon. Comment
  RSA0120687  Eriastrum harwoodii Duncan S. Bell 2010-4-2 695 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  UC1123879  Eriastrum sapphirinum H. S. Yates 1937-7-27 6702 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle Comment
  RSA0121561  Eriastrum sapphirinum subsp. dasyanthum Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  RSA0121583  Eriastrum sapphirinum subsp. dasyanthum J. T. Howell 1928-7-9 1069 Riverside San Juan Canyon Road, Elsinore Mts. 793 Comment
  RSA0063623  Eriastrum sapphirinum subsp. sapphirinum J. D. Olmsted 1959-8-18 784 Riverside Reservoir Hill at Desert Sun School near Idyllwild. Mt. Range: San jacinto; Drainage Area: M. Fk. S. Jacinto R. 1646 Comment
  RSA0122964  Eriastrum sapphirinum subsp. sapphirinum J. R. Bruff 1934-6-19 545 Riverside Mt. San Jacinto; along road to Palm Springs. Comment
  UCSB16706  Eriastrum sparsiflorum Dearing, Hugh; Dearing, Margaret 1940-6-9 Riverside East of Hemmet on the Palms to Pines Highway Comment
  UCR82768  Ericameria cuneata A. C. Sanders, T. Schram 1994-10-6 15785 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  SD84911  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 372 Riverside 2.0 miles up water service road leading south from Highway 72, Deep Canyon. 1310 Comment
  UCR13710  Ericameria linearifolia N. R. Zabriskie, W. M. Zabriskie 1971-4-9 372 Riverside Peninsular Range; Santa Rosa Mtns., north slope of mtns., Deep Canyon, c. 2 mi. up water service road leading south of Hwy 74. Site 2 1311 Comment
  JOTR01233  Ericameria linearifolia Cole, James E. 1942-5-10 956 Riverside Joshua Tree National Park. 1341 Comment
  UC64808  Ericameria paniculata E. E. Schellenger 1904-10-19 19 Riverside Colorado Desert, Chuckwalla Bench Comment
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Jan 15 2017
  SBBG62855  Ericameria parishii J. E. Butner 1948-10-3 658 Riverside a few mi from Idyllwild Comment
  RSA614268  Ericameria pinifolia A. C. Sanders 1997-11-14 21604 Riverside San Bernardino Mtns: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
  UCR238029  Ericameria pinifolia Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2046 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR91622  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 788 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  UC574882  Erigeron breweri var. covillei C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino, Key's View 1524 Comment
  UC86756  Erigeron breweri var. jacinteus A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2438 Comment
  UCSB9492  Erigeron canadensis Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chico Institute 213 Comment
  UCR225682  Erigeron foliosus var. foliosus Steve Boyd, Valerie Soza 2004-6-22 11548 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
  UCR3235  Erigeron foliosus var. foliosus John Kitasako 1964-5-18 45277 Riverside Box Springs Mtns, Stone-face Canyon, side of reservoir at end of Two Trees Rd. 549 Comment
  RSA659767  Eriochloa contracta J. C. Roos 1963-8-10 s.n. Riverside Blythe Comment
  HSC83016  Eriodictyon crassifolium N. M. Fellows 1985-3-16 106 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  RSA696347  Eriodictyon crassifolium Kenneth Beard 1934-03 s.n. Riverside Corona Sky-line drive Comment
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Oct 31 2011
  UCR16691  Eriodictyon crassifolium var. crassifolium S. W. Austin 1969-5-10 35 Riverside Peninsular Range, Alberhill Road, 2.25 - 2.5 mi. NW of Elsinore on slope on SW side of road 305 Comment
  UCR260865  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41462 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA0034873  Eriodictyon crassifolium var. crassifolium Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 213 Comment
  RSA0106413  Eriodictyon trichocalyx subsp. trichocalyx Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed above Market St. Bridge. Comment
  SEINET5328305  Eriogonum apiculatum J. L. Reveal, Barbara J. Ertter 1976-6-30 4569 Riverside Santa Rosa Mtns, along the dirt road to Santa Rosa Mtn. at Stump Spring Camp, about 13.5 mi SE of California Hwy 74, 2316 Comment
  CAS-BOT-BC242791  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside Near Idyllwild, San Jacinto Mts. Comment
  SD95204  Eriogonum davidsonii G. L. Webster, R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., parkland at Split Rock 1310 Comment
  CAS-BOT-BC256130  Eriogonum deflexum var. deflexum Howard Scott Gentry 1936-11-1 2968 Riverside West side of Colorado Desert 152 Comment
  RSA777721  Eriogonum deflexum var. deflexum Jim Andre, G. L. Clifton 2011-2-22 17415 Riverside Mecca Hills; along Box Canyon Road, 5.5 miles NE of town of Mecca 52 Comment
  UC849368  Eriogonum deflexum var. deflexum Lewis S. Rose 1938-12-24 38348 Riverside 20 mi e Mecca 3 Comment
  RSA393496  Eriogonum elongatum H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Jacinto Mts. 526 Comment
  RSA443545  Eriogonum elongatum J. C. Roos 1965-9-14 s.n. Riverside Hills south of Beaumont. Comment
  UCR3399  Eriogonum elongatum John Minnich 1964-2-27 64-2-27- 4 Riverside Box Springs Mtns., Stone Face Canyon, 0.25 mi. past end of Two Trees Road and 1/2 mi. up side canyon above reservoir Comment
  RSA766112  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1930-4-17 2193 Riverside Near mouth of Snow Canyon. 610 Comment
  CAS-BOT-BC250141  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  JEPS56973  Eriogonum fasciculatum var. polifolium J. Ewan 1930-4-17 2193 Riverside near mouth of Snow Canyon Snow Canyon 609 Comment
  JOTR29156  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1231 Riverside Joshua Tree National Park. Eureka Peak Comment
  RSA339070  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1980-5-28 54214 b Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA78791  Eriogonum fasciculatum var. polifolium Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17266 Riverside 3 mi. S along banning to Idyllwild. 915 Comment
  SBBG62072  Eriogonum fasciculatum var. polifolium P. A. Munz 1927-5-21 10880 Riverside 10 mi SW of Cahuilla 1371 Comment
  UC56792  Eriogonum fasciculatum var. polifolium W. L. Jepson May 17 1901-Jun 1 1901 1338 Riverside East base San Jacinto Mt. San Jacinto Mt. 914 Comment
  CAS-BOT-BC253497  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6614 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Statoin, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  UCR275482  Eriogonum gracile T. B. Salvato, Melissa Clemons 2005-6-9 1511 Riverside Peninsular Range, Gavilan Hills, N/S trending bulldozer track 0.83 mile north of the Nichols Road junction with Hwy 15, and c. 3 miles north of Lake Elsinore 488 Comment
  RSA487231  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6602 Riverside San Gorgonio Pass, along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River. 541 Comment
  UCR20696  Eriogonum inflatum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1323 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  POM122054  Eriogonum inflatum var. deflatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  RSA393576  Eriogonum inflatum var. inflatum N. C. Cooper 1944-5-6 1165 Riverside Whitewater Canyon. 457 Comment
  SD22377  Eriogonum nudum var. pauciflorum Susan G. Stokes 1933-7-1 Riverside Road to Idyllwild 1372 Comment
  UCSB12437  Eriogonum nudum var. pauciflorum Breedlove, Dennis 1961-8-4 Riverside Black Mtn Campground; NW side of Black Mtn; San Jacinto Mtns 2286 Comment
  JEPS57089  Eriogonum parishii Marjorie D. Clary 1932-8-21 1083 Riverside Vandeventer Flats San Jacinto Mts. 1341 Comment
  UC667265  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-15 2178 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  RSA176944  Eriogonum thomasii D. Bates 1960-3-3 2300 Riverside Route 195, 7.3 miles SW of junct. with routes 60-70. At the base of S facing bluffs in Box Canyon. Comment
  SEINET5331712  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Fairmount Park. 244 Comment
  CAS-BOT-BC263584  Eriogonum trichopes L. A. Greata No date on label. 400 Riverside Coachella, Colorado Desert Comment
  UC1547002  Eriogonum trichopes Leila M. Shultz, John S. Shultz 1985-4-17 8304 Riverside southern extension of the Big Maria Mountains Big Maria Mountains 97 Comment
  CAS-BOT-BC264931  Eriogonum wrightii var. membranaceum Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  RSA420618  Eriogonum wrightii var. membranaceum Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  SJSU4297  Eriophyllum ambiguum var. paleaceum G. B. Youngberg 1956-3-28 195 Riverside Palm Canyon near Palm Springs 228 Comment
  CAS-BOT-BC297342  Eriophyllum confertiflorum H. K. Wagnon 1944-5-30 415 Riverside By Tahquitz Creek, Palm Springs Comment
  RSA388778  Eriophyllum confertiflorum F. T. Sproul 1977-8-10 183 Riverside On hill W of Pioneer Mail. 1700 Comment
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Mar 18 2013
  UCR172239  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR21976  Eriophyllum confertiflorum Steve Boyd 1980-5-5 208 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR240656  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 45 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  UCR265827  Eriophyllum confertiflorum Mitch Provance 2012-5-24 512- 08 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UC668358  Eriophyllum confertiflorum var. confertiflorum Annie M. Alexander and Louise Kellogg 1941-4-24 2073 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  POM358077  Eriophyllum multicaule E. Crow 1929-04 337 Riverside N of Alberhill. Comment
  SD134533  Eriophyllum multicaule Craig Reiser 1991-3-26 Riverside Harford Springs Park, Gavilan Plateau Comment
  SEINET1906294  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-1 5195 Riverside Along snow Creek road, off highway 111, ~1 mi. from Snow Creek Village. 366 Comment
  SJSU1905  Eriophyllum wallacei J. W. Tilden 1957-4-18 1100 Riverside near Whitewater E of San Gorgonio Pass Comment
  CSUSB48  Erodium cicutarium Steve Stadler 1966-3-2 030266 22 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
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Sep 29 2011
  RSA390940  Erodium texanum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA191434  Eryngium aristulatum var. parishii E. W. Lathrop, Robert F. Thorne 1967-9-26 6662 Riverside 4 mi. NW of Murrieta 609 Comment
  RSA336175  Eryngium aristulatum var. parishii R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51968 Riverside Santa Rosa Plateau: Mesa de Colorado 609 Comment
  CAS-BOT-BC54329  Erysimum capitatum G. B. Rossbach 1955-4-28 585 Riverside 2 miles east of Santa Rosa summit on Route 74, northwest end of Santa Rosa Mountains. 1502 Comment
  RSA0015881  Erythranthe moschata Justin M. Wood, Brandy Wood 2009-6-13 881 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  UCR281484  Eschscholzia caespitosa Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 89 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  UCR170131  Eschscholzia californica Jeffrey Ross 1998-6-4 147 H Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  RSA704003  Eschscholzia californica subsp. californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 124 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  CAS-BOT-BC418697  Eschscholzia glyptosperma Carl B. Wolf 1932-4-29 3104 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  UC1922540  Eschscholzia glyptosperma Michael Honer with L. Hulse 2005-3-7 2031 Riverside Colorado Desert; Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. Comment
  CAS-BOT-BC83130  Eschscholzia minutiflora L. A. Greata 1901-1-1 423 Riverside Coachella. Comment
  CHSC35481  Eschscholzia minutiflora James Henrickson 1973-3-18 8608 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to the canyon. 792 Comment
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Dec 5 2012
  LA46247  Eschscholzia minutiflora F. R. Fosberg; 1932-3-13 8070 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA652810  Eschscholzia minutiflora Colleen Callan 1992-5-2 18 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  SBBG25098  Eschscholzia minutiflora D. Myrick 1966-4-2 1327 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  SD225053  Eschscholzia minutiflora G. K. Helmkamp 1998-4-4 3133 Riverside Southern Mojave Deset: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center- Rice Rd.) 474 Comment
  UCD96502  Eschscholzia papastillii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 513 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  CAS-BOT-BC419615  Eschscholzia parishii Richard Snow 1953-4-5 51 a Riverside Box Canyon Comment
  RSA0024819  Eschscholzia parishii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4467 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR147846  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11272 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
  RSA709243  Eucalyptus A. C. Sanders, C. L. Sanders, O. F. Clarke, A. M. Boyce 1993-11-7 14220 Riverside Riverside, residential garden of Al M. Boyce, 266 Frost Court (E edge of UCR) 360 Comment
  RSA0012568  Eucalyptus camaldulensis Scott D. White 1998-6-28 6792 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  UCR139162  Eucrypta chrysanthemifolia S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR260853  Eucrypta chrysanthemifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41419 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  POM160093  Eucrypta micrantha E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  POM49792  Euonymus occidentalis var. parishii P. A. Munz 1924-5-18 8148 Riverside 18 miles from Banning on Idyllwild Road. 1585 Comment
  JOTR38518  Euphorbia abramsiana Harding, Mitzi, Kipp Callahan 2012-8-27 285 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR101407  Euphorbia albomarginata A. C. Sanders, K. C. Rose 1998-9-29 22239 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR128913  Euphorbia albomarginata A. C. Sanders, Mitch Provance 2001-4-5 23916 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  UCR115148  Euphorbia maculata Mitch Provance 2000-10-28 2284 B Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  POM9771  Euphorbia misera E. C. Jaeger 1921-4-15 4415 Riverside Palm Springs 152 Comment
  RSA599290  Euphorbia ocellata subsp. ocellata L. C. Wheeler 1952-10-29 7010 -a Riverside Riverside. Citrus Experimental Station. 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
  UCR153353  Euphorbia polycarpa L. C. Wheeler 1946-6-19 6171 Riverside Sonoran (Colorado) Desert, 2 mi N of main highway [I-10/ Hwy 99] on road [Hwy 62] to 29 Palms Comment
  UCR183338  Euphorbia polycarpa Mitch Provance 2005-5-27 4601 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR87939  Euphorbia polycarpa A. C. Sanders 1994-1-30 14224 B Riverside Box Springs Mtns, Head of Big Springs Canyon, in saddle SE of peak '2602. 762 Comment
  SEINET10493487  Euphorbia polycarpa David B. Dunn Dunn 2050 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA432487  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-5-20 2646 Riverside Pinyon Flats. 1067 Comment
  RSA797433  Euphorbia polycarpa var. vestita Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
  UCR91001  Euphorbia serpillifolia A. C. Sanders 1994-5-29 14566 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  UCR202601  Euphorbia serpillifolia subsp. serpillifolia Scott D. White, Justin M. Wood 2008-7-9 12411 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR281929  Euphorbia setiloba A. C. Sanders, Jim Malusa 2017-9-21 43355 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  SEINET6727164 Image available Fagonia chilensis var. laevis M. B. Dunkle 1935-3-30 4426 Riverside Pinto Basin. Colorado Desert. 914 Comment
  UC867876  Fagonia laevis C. L. Hitchcock 1940-4-2 5920 Riverside Cottonwood Springs wash; Joshua Tree National Monument Comment
  SEINET912731  Fagonia pachyacantha Annie M. Alexander, Louise Kellogg 1941-1 2233 Riverside Box Canyon, east of Mecca. 243 Comment
  UC2015643  Fagonia pachyacantha A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16083 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  CLARK-A1528-7831  Festuca arundinacea John C. Roos 1949-5-21 4317 Riverside Temecula 304 Comment
  CLARK-A1045-95  Festuca megalura George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road near North Fork of the San Jacinto River; ; Lake Fulmor 7.5'Q 1676 Comment
  UCR2407  Festuca microstachys F. M. Reed 1905-4-30 735 Riverside Riverside, flat on top of Box Spring Mountains Comment
  UCR92220  Festuca microstachys D. L. Banks, Steve Boyd 1995-5-9 0394 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR102847  Festuca myuros A. C. Sanders 1997-3-26 20108 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  SEINET238915 Image available Festuca octoflora A. C. Sanders 1998-3-17 21744 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills S of Hemet (Winchester. 7.5' Q.) 343 Comment
  SEINET269323 Image available Festuca octoflora A. C. Sanders, G. Helmkamp; P. MacKay et al 1995-3-19 16170 Riverside Coachella/San Jacinto Mtns. foothills: N-facing rocky slope in Chino Canyon along the Palm Springs tram road 2 mi. abov 490 Comment
  UCR139180  Festuca octoflora Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek 427 Comment
  RSA517818  Filago depressa Steve Boyd, Orlando Mistretta 1986-3-13 1435 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UCR165810  Filago depressa 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
  NY43292  Fouquieria splendens C. R. Annable 1995-3-11 2269 Riverside Rest stop on I-10 Comment
  SFV2333  Fouquieria splendens P. G. Kilburn 1958-5-16 801 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74) on Seven Level Hill. 100 feet below road just above goose-neck turn. 610 Comment
  UCR174527  Fragaria vesca Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  UCR274537  Frankenia salina Mitch Provance, Ken Halama 2003-6-15 17046 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  OBI12171  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts, Penrod Cyn SE of Kenworthy Guard Station Comment
  UC774598  Fraxinus velutina Carl B. Wolf 1940-10-30 Riverside se of Kenworthy Guard Station; San Jacinto Mts., Penrod Canyon 1524 Comment
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Sep 24 2011
  CLARK-A1528-688  Fumaria officinalis Olga Kersteiner 1963-3-12 Riverside Indio Comment
  UCD121395  Funastrum cynanchoides var. hartwegii Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 272 Riverside Below Andreas Canyon Club clubhouse; Andreas Canyon. 304 Comment
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Jun 20 2013
  POM122774  Funastrum hirtellum Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA0106697  Funastrum hirtellum Duncan S. Bell, Thomas Stoughton 2010-3-19 566 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA171053  Funastrum hirtellum R. F. Thorne 1963-3-29 32430 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 533 Comment
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Apr 24 2011
  JOTR32026  Funastrum utahense La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2256 Riverside Joshua Tree National Park. Pinto Basin, near Turkey Flats back country parking lot; open gravelly flats (Stop 4) 518 Comment
  CLARK-A1045-87  Galium andrewsii George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains ca. 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  RSA753481  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2009-5-21 12865 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  POM367709  Galium angustifolium subsp. angustifolium N. R. Zabriskie, W. M. Zabriskie 1972-6-18 526 Riverside Along fire road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. 1921 Comment
  RSA761272  Galium angustifolium subsp. jacinticum Shawn Krosnick, Lucinda A. McDade, Naomi S. Fraga 2010-8-14 672 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA180289  Galium porrigens E. W. Lathrop 1965-4-25 5673 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  UCR147553  Galium porrigens Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1287 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  RSA0030946  Galium stellatum Ivan M. Johnston 1917-4-4 13779 Riverside Palm Canyon. 304 Comment
  CLARK-A1045-214  Galium stellatum subsp. eremicum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; rocky area at base of dry wash; Lost Horse Mtn. 15'Q Comment
  SDSU18661  Galium stellatum subsp. eremicum Michael G. Simpson, Kristen Hasenstab 2008-4-2 2949 Riverside Joshua Tree National Park. Ridge adjacent to wash, just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 945 Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  UC1007231  Galium stellatum var. eremicum Philip A. Munz 1940-3-24 15701 Riverside 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  UCR84788  Garrya Scott D. White, S. Ogg 1994-4-21 2010 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR18855  Garrya flavescens John C. Roos 1950-3-6 4788 Riverside Santa Ana Mtns., head of Hagador Canyon. 1037 Comment
  UCR208878  Garrya flavescens subsp. pallida W. E. Pequegnat 1941-1-11 s.n. Riverside Peninsular Range; Santa Ana Mtns., Indian Truck Trail 976 Comment
  CAS-BOT-BC303573  Geraea canescens Alice Eastwood 1913-4-30 3056 Riverside Palm Springs Comment
  POM358673  Geraea canescens N. C. Cooper 1949-3-15 3027 Riverside Palm Springs 122 Comment
  RSA171037  Geraea canescens R. F. Thorne 1963-3-29 32390 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 13 2011
  RSA726536  Geraea canescens Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1430 Riverside Along Palen Road near Hwy 177. 170 Comment
  UC1010414  Geraea canescens Alice Yates and Jas. E. Wilcox 1952-4-4 7 Riverside between Mecca and Desert Hot Springs 0 Comment
  RSA523916  Gilia achilleifolia subsp. multicaulis G. H. True 1935-2-26 17 Riverside Mockingbird Canyon. 366 Comment
  SEINET7063459  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-30 s.n. Riverside About 5 miles south of Winchester Road. French Valley. UTM Zone 11, 491934mE, 3721693mN. (WGS84/NAD83). 457 Comment
  RSA85116  Gilia angelensis J. C. Roos 1952-4-2 5460 Riverside Box Springs Comment
  RSA483575  Gilia capitata subsp. abrotanifolia D. Charlton 1988-5-21 1972 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA618171  Gilia capitata subsp. abrotanifolia D. L. Banks 1997-5-5 2015 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., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UC455672  Gilia capitata subsp. abrotanifolia I. J. Condit 1910-6-24 Riverside road to Strawberry Valley (San Jacinto Mts.); , rd to Strawberry Valley 914 Comment
  RSA469358  Gilia diegensis Gale Sphon 1955-5-22 s.n. Riverside Montane meadow, Hemet meadow. Comment
  RSA507951  Gilia diegensis Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2269 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  SD7671  Gilia diegensis 1882-5-3 Riverside Temecula Comment
  UCR148443  Gilia latifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA0016239  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4983 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UCR239208  Gilia ochroleuca subsp. exilis Steven R. Hill 2001-5-3 33658 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
  RSA0017087  Gilia ochroleuca subsp. exilis Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4446 Riverside Vail Lake area, benches along Kolb Crk., W of Dripping Springs, N of Hwy 79. 487 Comment
  HSC16979  Gilia scopulorum C. L. Hitchcock, C. V. Muhlick 1964-3-22 23268 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  JOTR30630  Gilia stellata Andre, Jim, Tasha La Doux 2008-3-21 8835 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  JOTR34200  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2992 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA469734  Gilia stellata M. B. Dunkle 1937-3-25 4955 Riverside Dry Morongo. Comment
  UC667282  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-4-27 2092 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Counties) 1310 Comment
  UCR101591  Gilia stellata Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR279558  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-29 43181 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  CAS-BOT-BC123838  Gilia tenuiloba Samuel Bonsal Parish; William Fletcher Parish 1880-7-1 689 Riverside San Jacinto Mts. Comment
  UCR112119  Githopsis diffusa subsp. candida A. C. Sanders 1998-6-10 21979 Riverside San Jacinto Mtns., FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi. east of Keen Camp Summit, c. 1 mile due south of Lake Hemet 1463 Comment
  RSA395909  Githopsis diffusa subsp. diffusa Steve Boyd 1986-4-22 1771 Riverside Temescal canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  POM17509  Glycyrrhiza lepidota P. A. Munz 1923-6-18 7132 Riverside Temecula Canyon. Comment
  UCR51474  Gnaphalium canescens subsp. beneolens B. G. Pitzer, Jack Easton 1987-3-10 0398 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UC1979606  Gnaphalium luteoalbum D. L Banks, Steve Boyd 1995-5-17 0463 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  UCR92247  Gnaphalium luteoalbum Scott D. White 1995-7-7 3448 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  CLARK-A1528-222  Gnaphalium microcephalum Ken F. Clarke 1971-9-7 Riverside Jurupa Comment
  RSA740931  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-7-9 12432 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UCR266320  Gnaphalium palustre D. E. Bramlet 1991-6-1 2191 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W Florida Ave. at EMWD canal 457 Comment
  UCR266808  Gnaphalium palustre Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 03 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA91697  Gnaphalium palustre F. W. Peirson 1930-5-10 8769 Riverside Roadside, on Hemet Plateau near March Field, between Riverside and Perris. 457 Comment
  UCR154373  Gnaphalium stramineum A. C. Sanders, Mike Misenhelter 2005-6-15 30967 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
  CLARK-A1528-227  Gutierrezia bracteata R. P. Sunderman 1968-5-1 1 Riverside Riverside 335 Comment
  SD51723  Gutierrezia californica Otto T. Solbrig 1958-8-20 2775 Riverside 1.0 mile from Palm Spring-Palm Desert Highway near entrance to Tahquitz Canyon Comment
  SEINET9286315  Gutierrezia sarothrae Unknown 1936-12-24 36816 Riverside San Jacinto Mountains Comment
  SEINET2052364 Image available Gutierrezia serotina D. Gordon 1952-2-27 Riverside University of California, Riverside campus 396 Comment
  UCR158948  Haplopappus squarrosus A. C. Sanders, Kelly Volansky 2005-8-31 31600 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  CAS-BOT-BC231100  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  UCR144412  Harpagonella palmeri Scott D. White 2001-4-19 8381 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  UCR217554  Harpagonella palmeri Diane Menuz 2008-4-4 390 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  UCR77719  Harpagonella palmeri Steve Boyd 1991-5-7 6165 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  RSA0066624  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  SDSU13561  Hazardia squarrosa var. grindelioides W. Miller with C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  UCR241775  Hedypnois cretica A. C. Sanders, Dave King 2013-4-10 40789 Riverside Peninsular Range; Perris-Aguanga Basin, about 2 miles south of Perris, along SCE powerline route west of I-215, parallel to McLaughlin Rd., near intersection with Geary St. 441 Comment
  RSA291591  Helianthemum scoparium var. vulgare C. W. Tilforth, W. Wisura 1979-11-4 1765 Riverside East end of Murrieta-DeLuz Rd., ca. 2 air mi. south of Murrieta 335 Comment
  OBI4960  Helianthus annuus Wesley Griesel 1960-8-24 215 Riverside Near Hemet Comment
  SDSU4540  Helianthus gracilentus H. Wedberg 1962-5-23 947 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  SBBG8404  Helianthus niveus H. and M. Dearing 1942-3-21 4836 Riverside Cathedral City, near Palm Springs Comment
  CLARK-A1656-788  Helianthus niveus subsp. canescens Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 Comment
  RSA764878  Heliotropium curassavicum Justin M. Wood 2010-9-8 2597 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UCR128254  Heliotropium curassavicum A. C. Sanders, Kelly Volansky 2003-10-16 27344 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  POM248441  Heliotropium curassavicum var. oculatum Philip Crow 1939-7-14 s.n. Riverside Blythe. Comment
  RSA289838  Heliotropium curassavicum var. oculatum B. A. Prigge 1980-9-17 4076 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA512159  Heliotropium curassavicum var. oculatum Ed LaRue 1989-5-9 s.n. Riverside North side of Temescal Wash, N of frontage rd. along Hwy 71, ca. 1/2 mile (airline) NW of Alberhill. 396 Comment
  UCR211864  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1069 B Riverside Peninsular Range; San jacinto Mountains, dirt road off Fobes Ranch Road, SE of Fobes Spring 1524 Comment
  UCR263470  Hemizonia mohavensis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35585 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  RSA675685  Hemizonia paniculata Scott D. White 2001-6-19 8594 Riverside Sun City: Quail Valley east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR112754  Hemizonia paniculata A. C. Sanders 1997-11-25 21626 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  UCR220022  Hemizonia paniculata A. C. Sanders 2010-11-18 38693 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR189808  Hemizonia pungens subsp. laevis Theresa Johnson 2006-6-1 142 Riverside Peninsular Range, San Jacinto Wildlife Area. South of main entrance road to San Jacinto Wildlife Area. Located parallel to dirt road c. 500 m west of Davis Road along dry alkali flats 433 Comment
  UCR21957  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-13 268 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  SD137589  Hesperocnide tenella Darin L. Banks, Steve Boyd 1995-3-16 104 Riverside Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wilfhorse Peak, on the Wildhorse Trail 609 Comment
  UCR48407  Hesperolinon micranthum Steve Boyd 1986-5-7 1849 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  CLARK-A1528-3994  Heteromeles arbutifolia John C. Roos, Lucille Roos 1952-6-21 5780 Riverside Reche Canyon 487 Comment
  UCR241230  Heteromeles arbutifolia Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 689 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  UCR99567  Heterotheca grandiflora Julie A. Greene, S. D. White 1993-7-5 1400 Riverside San Jacinto Valley, San Jacinto Wildlife Area, on raised wet area, west of dirt road 445 Comment
  UCSB37816  Heterotheca sessiliflora subsp. echioides 1965-8-18 Riverside Thomas Valley, San Jacinto Mtns. Comment
Read comments
Feb 27 2007
  UCR30525  Heuchera hirsutissima K. Stolte 1983-6-12 s.n. Riverside San Jacinto Mtns., Snow Creek 1677 Comment
  JOTR35367  Hibiscus denudatus Harding, Mitzi, M. Wheeler 2011-1-26 151 Riverside Joshua Tree National Park. West Coxcomb Mountains; rocky foothills/slopes above bouldery wash (STOP4) 424 Comment
  RSA432778  Hibiscus denudatus E. C. Jaeger 1922-3-29 730 Riverside Murray Canyon, Colorado Desert Comment
  RSA792932  Hibiscus denudatus Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 145 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  POM48033  Hieracium albiflorum P. A. Munz, I. M. Johnston 1924-7-27 8750 Riverside Dark canyon 1982 Comment
  UCD89916  Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside Rts. 60 and and 0 (sic), 5 miles east of Shavers Summit. Comment
  UCR85750  Hilaria rigida George K. Helmkamp 1994-4-26 88- 01 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  LA45806  Hoffmannseggia microphylla A. M. Johnson; 1933-4-28 4216 Riverside Indian Wells, highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  SD127582  Hoffmannseggia microphylla David Charlton 1988-2-18 1134 Riverside Alluvial fan south side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10, 1 mile east of Jct Dillon Road & Fargo Canyon Road 609 Comment
  SEINET7930192  Hoita macrostachya Scott D. White, Pam DeVries 2000-4-25 7734 Riverside Temescal Valley, Corona area, eastern foothills of Santa Ana Mts just above citrus groves. (Corona South).; 0 412 Comment
  SD187402  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UC718285  Hoita orbicularis Carl B. Wolf 1936-6-17 7964 Riverside Tenaja Rd 1 mi s La Cienaga (headwaters of creek); Santa Ana Mts., San Mateo Creek 609 Comment
  UCR224395  Hordeum brachyantherum Justin M. Wood 2010-4-13 1463 B Riverside Prado Basin, city of Corona, small tributary to Temescal Wash, 0.5 mi northwest of Auburndale Street near Flood Control Dike 165 Comment
  SEINET238468 Image available Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet: Alkaline flats west of town E of the canal S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR126978  Hordeum depressum A. C. Sanders, T. B. Salvato 2003-5-9 26582 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR140309  Hordeum depressum A. C. Sanders 2004-4-9 27478 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  CAS-BOT-BC148557  Horkelia clevelandii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  LA203774  Hulsea vestita subsp. callicarpha Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  SBBG65750  Hulsea vestita subsp. callicarpha Mrs. J. D. Wright 1929-6-25 Riverside Idyllwild Comment
  UCR20548  Hulsea vestita subsp. callicarpha W. W. Mayhew 1977-6-11 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCSB26726  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, near Black Mtn. junction, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  OBI16031  Hulsea vestita var. callicarpha H. E. McMinn 1925-7-2 1509 Riverside Tahquitz Trail Comment
Read comments
Jun 21 2012
  POM361066  Hymenoclea salsola T. L. Secrest 1950-3-13 s.n. Riverside Near Salton Sea. Comment
  RSA796456  Hymenoclea salsola Duncan S. Bell 2009-4-18 220 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
  UCR101570  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  POM13107  Hymenopappus filifolius var. lugens P. A. Munz, I. M. Johnston 1922-5-21 5504 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  POM113425  Hymenoxys cooperi J. B. Feudge 1926-5-9 1371 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
  RSA544396  Hypochaeris glabra Steve Boyd 1991-5-30 6323 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  UCR177639  Hypochaeris glabra S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UCR117718  Hypochaeris radicata Mitch Provance 1998-6-6 622 B Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  CAS-BOT-BC158106  Hyptis emoryi W. R. O. 1974-6-28 0415 Riverside West Riverside Mnts in pass area Comment
  CAS-BOT-BC219761  Hyptis emoryi Ivan Johnston 1917-4-4 1098 Riverside Near Palm Springs Comment
  PASA1155  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  POM178003  Hyptis emoryi Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA643262  Hyptis emoryi R. D. Goeden, D. W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert: Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saing ''Edmund C. Jaeger Nature Sanctuary'' in bottom of canyon at old road crossing. 366 Comment
  SD95168  Hyptis emoryi G. L. Webster, R. Hildreth 1966-12-9 7458 Riverside Joshua Tree Nat Monument, desert slopes, 3 mi W of Cholla Gardens 853 Comment
  UCR104824  Hyptis emoryi George K. Helmkamp 1998-4-4 3178 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  RSA157743  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside S. of Ave. 60, 0.2 mi. e. of jackson St., ca. 6 mi. s. of Indio. Comment
  POM361285  Isocoma acradenia var. eremophila Allen 1921-10 s.n. Riverside Palm Springs. Comment
  RSA0117148  Isocoma menziesii Mitchell Provance 2012-9-13 912 -05 Riverside Badlands of Western Riverside County: Mt. Davis, +/- 1.5 miles SW of Beaumont, vicinity of the microtower on David Mountain Rd. 845 Comment
  RSA683230  Isocoma menziesii Scott D. White 2003-12-1 9893 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA702043  Isocoma menziesii var. menziesii Scott D. White, Angelia Carey 2004-9-16 10748 Riverside San Jacinto Mountain foothills: San Jacinto Mountain foothills: Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  RSA192194  Isocoma menziesii var. vernonioides E. W. Lathrop 1966-4-13 6145 Riverside De Luz Road between Murrieta and De Luz Comment
  CAS-BOT-BC69866  Isoetes orcuttii Robert F. Thorne; E. Lathrop 1969-5-12 37943 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 624 Comment
  SEINET10802585  Isomeris J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12831 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  UCR20831  Isomeris arborea A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1299 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CSUSB714  Isomeris arborea var. angustata Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
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Aug 26 2014
  UCR104629  Iva axillaris D. E. Bramlet 1996-4-15 2453 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, SW corner of reserve; adjacent to the existing maintenance road and 105 m north of the Ramona Expressway. 433 Comment
  JEPS44442  Ivesia callida H. M. Hall Sep 1923 2611 Riverside Tahquitz Peak; Mt. San Jacinto Comment
  CAS-BOT-BC143415  Ivesia saxosa Annie M. Alexander; Louise Kellogg 1941-5-6 2125 Riverside 13 miles southwest of 29 Palms 1371 Comment
  UCD60369  Jarava speciosa T. B. Salvato; Kent Beaman 2005-5-16 782 Riverside San Jacinto Mtn. foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy. 74. 549 Comment
  CAS-BOT-BC412809  Juglans hindsii R. E. Riefner, Jr. 2014-6-24 14 -195 Riverside City of Hemet, S side of Florida Ave. (Hwy 74), at N. Cornell St. 525 Comment
  RSA751412  Juglans hindsii R. E. Riefner Jr., K. Campbell 2007-5-19 07 -211 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy. 298 Comment
  SD241063  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 126 Riverside Santa Ana Canyon, end of Green River Road, near entrance to Green River Golf Course. 124 Comment
  RSA790106  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 -126 Riverside Santa Ana Canyon, end of Green River Rd. near entrance to Green River Golf Course. 125 Comment
  SEINET10533288  Juncus acutus A. K. Evans 1976-4-13 Evans 5137 Riverside Desert canyons of santa rosa mountains Comment
  SDSU14318  Juncus arcticus var. mexicanus Kristin Andrade, Mike Simpson 2002-4-20 12 Riverside On north side of Santa Margarita river, 500 feet from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  SEINET3150744  Juncus bufonius H. M. Hall 1904-5-10 4954 Riverside Fremont Park 244 Comment
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Mar 15 2014
  UCR116922  Juncus bufonius var. congestus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24223 B Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR117381  Juncus bufonius var. congestus A. C. Sanders, T. B. Salvato 2001-5-25 24382 Riverside San Jacinto Valley, SE corner of Hemet-Ryan airport, just north of Stetson Ave. on W side of Cawston St. 462 Comment
  RSA247274  Juncus effusus subsp. austrocalifornicus G. D. Wallace, D. H. Wilken 1966-7-3 652 Riverside San Jacinto Mountains near Idyllwild, Strawberry Meadows. Comment
  RSA309573  Juncus luciensis James R. Shevock 1975-4-28 4247 Riverside Mesa de Burro, Santa Rosa Plateau, southern Santa Ana Mountains. 600 Comment
  UC1601813  Juncus macrandrus H. M. Hall Jul 1901 2248 Riverside Fuller's Mills San Jacinto Mountains Comment
  RSA0097956  Juncus mexicanus Duncan S. Bell 2014-11-14 7717 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR193376  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  RSA296117  Juncus rugulosus B. A. Prigge 1980-8-11 3886 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
  SD187311  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  JOTR38679  Justicia californica Hodges, Stephen R. 2017-2-2 686 Riverside Joshua Tree National Park. Cottonwood Mountains; at base of southern end, north of park boundary Comment
  LA202776  Justicia californica Martha Hilend; 1929-12-27 366 Riverside Shafer's Well Comment
  RSA398812  Justicia californica I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  RSA778143  Justicia californica Jim Andre 2011-2-2 16217 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
  RSA314461  Keckiella antirrhinoides Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55474 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA0018943  Keckiella antirrhinoides subsp. antirrhinoides Ora M. Clark 1929-3-16 1695 Riverside South of Cabazon, Colorado Desert. Comment
  JOTR32444  Keckiella antirrhinoides var. microphylla Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  RSA500125  Keckiella cordifolia Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3686 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  POM11402  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-9-6 6400 Riverside Round Valley. 2744 Comment
  HSC101523  Krameria bicolor J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12777 Riverside Along Eagle Mountain Road. Comment
  SBBG14809  Krameria bicolor E. R. Blakley 1962-11-25 5482 Riverside 5 mi W of Blythe on US Hwy 60 and 70 121 Comment
  RSA409437  Krameria erecta N. R. Zabriskie, W. M. Zabriskie 1972-4-9 514 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  SBBG109172  Krameria erecta D. Wilken with G. A. Wilken 1997-11-1 15375 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  JOTR30099  Krameria grayi La Doux, Tasha, Alice Miller 2007-5-31 1775 Riverside Joshua Tree National Park. Stop 1: Cottonwood Springs/Oasis; slope above oasis along visitor walkway to parking lot. 893 Comment
  RSA0040096  Krameria grayi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6256 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA248056  Krameria grayi Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  UC1929495  Krameria grayi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10464 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA0051604  Krameria parvifolia Lee Haines 1952-6-1 s.n. Riverside Palms to Pines Highway. 1158 Comment
  RSA0056257  Krameria parvifolia Lee Haines 1951-5-20 5148 Riverside Pines to Palms Highway. 1158 Comment
  UC1605398  Laennecia coulteri Steve Boyd and Darin Banks 1994-9-29 8367 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  SBBG34980  Lagophylla ramosissima T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  JOTR16797  Langloisia setosissima subsp. punctata Dengler, A. 1966-3-31 38 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  JOTR35335  Langloisia setosissima subsp. setosissima Harding, Mitzi, Mark Wheeler 2012-2-28 101 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  LA209858  Larrea tridentata Leo Boyd; 1953-5-24 Riverside 11 mi. SW of junction of CA highways 74 and 111, on highway 74 Comment
  RSA0107466  Larrea tridentata Duncan S. Bell, Amanda Turek 2009-3-30 159 Riverside East side of the Arica Mountains; approximately 1.3 air miles west northwest of Priest Well. 381 Comment
  RSA0121415  Larrea tridentata Duncan S. Bell, LeRoy Gross 2016-3-30 9183 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
  RSA390005  Larrea tridentata Albert J. Perkins 1916-4-16 s.n. Riverside Desert near Palm Springs. Comment
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Aug 27 2011
  RSA757781  Lastarriaea coriacea LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4306 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD186283  Lastarriaea coriacea T. B. Salvato, Melissa Clemons 2005-6-2 1332 Riverside Temescal Valley: Gavilan Hills, ca 0.5 mi SE of Steele Peak, 4 mi SW of Perris, and 6 mi NNE of Lake Elsinore, NW of Hwy 74 573 Comment
  UCD98953  Lastarriaea coriacea B. Pitzer 1997-3-23 2979 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 609 Comment
  CAS-BOT-BC338909  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  CLARK-A1045-288  Lasthenia coronaria George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along San Jacinto Ridge Road at Oak Spring turnoff; chaparral; ; Lake Fulmor 7.5'Q 914 Comment
  SD232188  Lasthenia coronaria Michael Wall 2003-4-15 265 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy, up dirt road at turnout along west side of Hwy. 601 Comment
  UCR272450  Lasthenia coronaria Cheryl Sevilla, Sarah J. De Groot 2015-2-18 013 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  UCSC000803  Lasthenia coronaria H. M. Hall 3-Apr 3830 Riverside Vicinity of Riverside, in the Sonoran Zone 366 Comment
  UCR162885  Lasthenia glabrata subsp. coulteri Fred M. Roberts 2005-3-3 6134 Riverside San Jacinto Valley, San Jacinto, south side of Ramona Expressway, 0.6km E jct Warren Rd 447 Comment
  POM55167  Lasthenia gracilis C. F. Baker 1904-4-4 4087 Riverside Elsinore. Comment
  UCR171719  Lasthenia gracilis 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
  UCR239830  Lasthenia gracilis O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; hills above UCR Botanical Garden 436 Comment
  UCR260572  Lasthenia gracilis T. B. Salvato 2014-5-29 8030 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
  CHSC109279  Lathyrus latifolius Scott D. White; T. salvato, L. DeMarco, J. Christian 2001-6-30 8633 B Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek, I.e., southwest terminus of Double View Dr. west to creek. Alt: 1402-1646 m. 1524 Comment
  UCR193873  Lathyrus vestitus A. C. Sanders, Mitch Provance 2008-7-11 35818 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR6013  Lathyrus vestitus K. T. Seng 1966-4-13 660413- 11 Riverside Santa Ana Mtns, NE slope of Santa Ana Mountain, end of Main Street, 4 mi. from downtown Corona 457 Comment
  UCR122545  Lathyrus vestitus subsp. vestitus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6675 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR116578  Lathyrus vestitus var. vestitus Scott D. White 1993-3-15 1196 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  CAS-BOT-BC320799  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside Vicinity of Riverside. Fairmount Park 243 Comment
  UC62897  Layia glandulosa H. M. Hall 1897-4-5 Riverside Winchester Comment
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Mar 20 2011
  OBI35674  Layia platyglossa Louis B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley-valley floor near hills N of Lakeview 457 Comment
  UC144246  Layia platyglossa C. F. Baker 1904-4-4 4120 Riverside Elsinore Comment
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Jul 4 2010
  UC50334  Layia platyglossa H. M. Hall 1903-4-1 3981 Riverside vicinity Riverside 365 Comment
  UC828957  Layia platyglossa P. A. Munz and I. M. Johnston 1922-5-20 5453 Riverside 2 mi below Kenworthy; San Jacinto Mountains 1402 Comment
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Mar 25 2011
  POM184246  Layia platyglossa subsp. campestris P. A. Munz 1932-3-24 12022 Riverside North of Elsinore. 305 Comment
  CLARK-A1528-70  Leersia oryzoides John C. Roos, Lucille Roos 1951-10-24 5345 Riverside Riverside 259 Comment
  RSA180477  Lemna minuta E. W. Lathrop 1960-6-9 4989 Riverside 14 miles west of Murrieta. Comment
  RSA563913  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-5 13683 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  SD140147  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-5 13684 Riverside Western edge of Hemet, along south side of Devonshire Avenue between Old Warren and Warren Roads (Highway 54) 459 Comment
  UC856449  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 mi w Shavers Well Comment
  POM93924  Lepidium fremontii Marcus E. Jones 1926-2-16 16 Riverside Near Shaver s Well, near Mecca, Colorado Desert. Comment
  RSA0048414  Lepidium fremontii N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Spring. Comment
  UC10638  Lepidium lasiocarpum var. lasiocarpum W. G. Wright 1889-1 1756 Riverside Colorado Desert Comment
  UC354427  Lepidium lasiocarpum var. lasiocarpum Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs; Eagle Canyon Comment
  UCR127146  Lepidium latifolium A. C. Sanders, Guy Bruyea 2003-6-12 26888 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 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
  POM184173  Lepidium nitidum P. A. Munz 1932-3-24 12014 Riverside Corona 366 Comment
  CAS-BOT-BC60108  Lepidium virginicum var. menziesii Geo. T. York 1936-7-30 s.n. Riverside Chino. Comment
  POM48496  Lepidium virginicum var. pubescens Mary F. Spencer 1919-6-18 1327 Riverside San Jacinto Mtns. Comment
  RSA557739  Lepidium virginicum var. pubescens John F. Emmel 1983-8-21 887 Riverside Idyllwild, along North Circle Dr. near junction with South Circle Drive. 1677 Comment
  UCR275952  Lepidium virginicum var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3793 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR258873  Lepidium virginicum var. robinsonii T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7909 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  CAS-BOT-BC329448  Lepidospartum squamatum W. R. Dudley 1903-12-28 s.n. Riverside Desert Palm Springs Station Comment
  UCR123821  Lepidospartum squamatum Steven R. Hill 2001-5-3 33657 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
  UC23804  Leptodactylon pungens H. M. Hall 1901-6 2597 Riverside near Tahquitz; San Jacinto Mountains, near Tauquitz 2529 Comment
  RSA468555  Leptosiphon androsaceus Anstruther Davidson 1920-5-11 s.n. Riverside Temecula. Comment
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Sep 9 2011
  RSA597239  Leptosiphon androsaceus A. C. Sanders, W. E. Hawkins 1996-4-24 18074 Riverside Morongo Indian Reservation, in Hathaway Canyon near Burro Flats. 915 Comment
  OBI2706  Leptosiphon ciliatus Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  SD63336  Leptosiphon floribundus subsp. floribundus Walter Bertsch 1957-6-29 951 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2438 Comment
  POM3514  Leptosiphon floribundus subsp. glaber C. F. Baker 1904-4-4 s.n. Riverside Elsinore. Comment
  POM46975  Leptosiphon lemmonii Mary F. Spencer 1919-6-21 1208 Riverside In open woods. 1616 Comment
  SJSU8700  Leptosiphon lemmonii N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 4-5 mi E of Lake Elsinore 396 Comment
  RSA701250  Leptosiphon liniflorus Naomi Fraga, Sarah J. De Groot 2004-7-7 1295 Riverside Along Chimeny Flats Road (5S06). 1372 Comment
  UC1930075  Leptosiphon liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilian Hills / Temescal Canyon: Hils and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake Street exit. Collected south and/or west of unnamed peak 2349. (Lake Elsiniore & adjacent Alberhill) Comment
  SD152786  Leptosiphon parviflorus Steve Boyd, Tim Ross 1992-5-5 7241 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; eastern portions of Oak Flats along the Bluewater Trail. 792 Comment
  UCR89230  Lessingia filaginifolia var. filaginifolia Scott D. White 1995-9-22 3678 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  JEPS20573  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside at Idyllwild (Strawberry Valley, Mt. San Jacinto); Mt. San Jacinto, Strawberry Valley Comment
  RSA197277  Lewisia rediviva var. minor L. B. Ziegler 1965-5-18 s.n. Riverside 1.5 miles north of Kenworthy Ranger Station, Hemet Valley. Comment
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Mar 25 2011
  RSA126644  Leymus condensatus H. S. Yates 1937-6-27 6712 Riverside Lower San Jacinto River Canyon. 640 Comment
  CAS-BOT-BC274534  Leymus triticoides H. M. Hall 1901-6-1 2122 Riverside San Jacinto Mountins. Eastern base, along the borders of the Colorado Desert Comment
  RSA336204  Lilaea scilloides Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51990 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA592024  Lilaea scilloides E. W. Lathrop 1968-5-15 6881 Riverside 8 miles W of Murrieta; Reedonda Mesa, Santa Rosa Plateau 610 Comment
  UCR40550  Lilaea scilloides R. F. Thorne 1974-5-23 44677 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Rancho California, at north base of Mesa de Colorado 610 Comment
  CHSC26247  Lilium parryi Dieter H. Wilken; Gary D. Wallace 1966-7-3 1052 Riverside Fuller Mill Creek, San Jacinto Mtns. 1524 Comment
  UCR129782  Lilium parryi P. A. Munz 1922-7-7 6066 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  JOTR30666  Linanthus aureus subsp. aureus La Doux, Tasha, Jim Andre 2008-3-21 142 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  RSA751912  Linanthus ciliatus Scott D. White, Justin M. Wood 2009-5-22 12915 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  UC718524  Linanthus floribundus subsp. floribundus Carl B. Wolf 1936-6-17 Riverside 0.5 mi e Orange County line (along Ortega Highway, San Juan Canyon); Santa Ana Mts., San Juan Canyon 365 Comment
  UC23558  Linanthus floribundus subsp. glaber A. J. McClatchie Apr 1892 37 Riverside near Elsinore Comment
  GMDRC9790  Linanthus jonesii J. M. Andre 2017-3-1 37983 Riverside Orocopia Mountains: north end of range, along Pinto Rd, 1.3 mi. ESE of Interstate 10 ( Box Cyn/Cottonwood Spring Rd exits). 479 Comment
  RSA676282  Linanthus jonesii Scott D. White 2001-4-3 8247 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA709907  Linanthus jonesii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4612 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC172674  Linanthus lemmonii Katharine Brandegee 1882-4-24 Riverside Copeland's - San Jacinto Comment
  UCR213830  Linanthus liniflorus Scott D. White, Justin M. Wood 2009-5-21 12845 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCR266911  Linanthus liniflorus D. E. Bramlet 1998-6-4 2634 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  RSA657240  Linanthus maculatus J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12339 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  SD231406  Linanthus maculatus J. Mark Porter, Sarah DeGroot 2005-3-9 14246 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 Comment
  RSA525350  Linaria canadensis var. texana Steve D. Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4448 Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  HSC86138  Linum lewisii B. Freeman 1969-6-14 6906143 Riverside University of California James Reserve, San Jacinto Mtns., E of James House. Comment
  CAS-BOT-BC432279  Lithophragma affine Frank W. Peirson 1922-5-19 4189 Riverside San Jacinto River 1143 Comment
  POM48844  Loeflingia squarrosa Stephen Grout, Grout 1905-05 s.n. Riverside West Riverside. Comment
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Jul 24 2010
  RSA773045  Loeseliastrum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5036 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  JOTR16803  Loeseliastrum schottii Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JOTR31232  Loeseliastrum schottii La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2016 Riverside Joshua Tree National Park. Pinto Basin; (Stop 5) sandy fans leading to Pinto Wash 357 Comment
  RSA468345  Loeseliastrum schottii Christopher Davidson, Robert Gustafson 1977-4-7 5570 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  CAS-BOT-BC342258  Logfia filaginoides L. R. Abrams 1926-3-26 11030 Riverside Palm Springs Comment
  SD144487  Logfia filaginoides A. C. Sanders 1997-3-1 19700 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity, 1386 ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  RSA512171  Lolium perenne Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  RSA561083  Lolium temulentum Steve Boyd, Orlando Mistretta 1992-4-22 6999 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA278502  Lomatium dissectum var. multifidum John F. Emmel 1977-6-9 s.n. Riverside Thomas Mountain road, 4800 ca. 1/2 road mile E of Spillway Canyon. 1463 Comment
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Feb 7 2014
  UCR265563  Lomatium mohavense Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 4 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  SEINET5779565 Image available Lomatium utriculatum Marcus E. Jones 1882-1 3172 Riverside San Jacinto Comment
  RSA356761  Lomatium vaginatum R. F. Thorne 1973-5-23 45532 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UCR121347  Lonicera subspicata A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25022 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  UCR94946  Lonicera subspicata Scott D. White 1996-8-16 4480 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA180334  Lonicera subspicata var. denudata E. W. Lathrop 1965-5-18 5762 Riverside 8 miles W of Murrieta; hills around 300 ft high. 609 Comment
  RSA678970  Lonicera subspicata var. denudata Scott D. White, Michael Honer 2003-6-3 9461 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR59530  Lonicera subspicata var. johnstonii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3616 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  CLARK-A1528-481  Lotus argophyllus Charlotte Stocks 1964-6-12 Riverside Whitewater Canyon Comment
  RSA90073  Lotus argophyllus var. argophyllus F. W. Peirson 1921-3-22 4092 Riverside Andreas Canyon, Palm Springs region Comment
  RSA585745  Lotus hamatus D. L. Banks, S. D. Boyd 1995-5-9 0409 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  RSA342542  Lotus heermannii R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54089 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR29722  Lotus heermannii Wende Rehlaender 1983-5-28 118 Riverside San Jacinto Mtns, Strawberry Creek, below Hwy 74, about 8.5 mi along road from Valley Vista; 3.5 mi SW of Idyllwild, 3.5 mi NW of Baldy Mtn Comment
  HSC85462  Lotus humistratus Steve Boyd 1986-4-2 1586 Riverside Harford Springs County Park, NW corner of the Gavilan plateau 612 Comment
  UCR151041  Lotus nevadensis var. davidsonii Scott D. White 1998-7-31 6943 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  CLARK-A1528-483  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725-4 Riverside San Jacinto Mountains Comment
  SEINET3523644  Lotus procumbens var. procumbens A. C. Sanders, H. Spilman, CNPS field trip 1993-4-24 13788 Riverside SE end of San Bernardino Mountains: S end of Whitewater Bench, E side of the mouth of Whitewater Canyon 450 Comment
  UCR91341  Lotus procumbens var. procumbens A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13788 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  UCR178199  Lotus purshianus Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 649 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR21848  Lotus purshianus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  SEINET2062422 Image available Lotus scoparius B. Pitzer 1986-5-24 238 Riverside Whitewater Canyon, ca. 5 mi. N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 1/4 mi. N of hatchery boundary. (Whitewater 7.5' Quad) 731 Comment
  RSA716258  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR22093  Lotus scoparius var. brevialatus Steve Boyd 1980-5-11 243 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
  CLARK-A1528-489  Lotus strigosus C. M. Flanagan 1973-4-26 OO 303 Riverside Morongo Indian Reservation 914 Comment
  JEPS37402  Lotus strigosus W. L. Jepson 1901-5-24 1426 a Riverside Van de Venter's Ranch 1493 Comment
  RSA660943  Lotus strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve area; North Domenigoni Hills, S of Hemet 343 Comment
  RSA709971  Lotus strigosus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4589 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC56584  Lotus strigosus H. M. Hall May 1901 1907 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  UCR214326  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38386 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR270174  Lotus strigosus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42404 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA480095  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2184 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA508005  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd, R. Noyes, L. Arnseth 1988-5-28 2303 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR6026  Lotus tomentellus A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 8.4 mi. NW of Palm Springs Post Office on Highway 111, 200 yards north of highway 244 Comment
  RSA388393  Lotus unifoliolatus R. F. Thorne, S. D. Boyd, E. W. Lathrop 1985-7-18 61205 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
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Nov 13 2015
  UC2030128  Ludwigia peploides subsp. peploides Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38144 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Lake Fulmor. Comment
  CLARK-A1656-749  Lupinus agardhianus Theo Glenn 1979-4-8 Riverside Snow Creek Comment
  JOTR33792  Lupinus andersonii La Doux, Tasha, A. Miller 3305 Riverside Joshua Tree National Park. South Lost Horse Valley, along Key's View Road (stop1) 1385 Comment
  UCR165640  Lupinus arizonicus 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
  RSA0013624  Lupinus bicolor LeRoy Gross, Duncan S. Bell 2013-4-30 6031 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UCR117219  Lupinus bicolor B. G. Pitzer 2000-4-20 4124 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR126385  Lupinus bicolor A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 695 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR158143  Lupinus bicolor A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30084 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
  UCR171985  Lupinus bicolor John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  SD232251  Lupinus concinnus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10483 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Along road to Palm Springs Tram Station. Comment
  SDSU17527  Lupinus concinnus Jerry Jenkins 2001-4-3 2001 -042 Riverside Santa Margarita Ecological Reserve. West Side of Santa Margarita river. UTM transfered to GIS. Comment
  UC213289  Lupinus excubitus I. M. Johnston 1918-4-27 1869 Riverside near Elsinore; near Elsinore 396 Comment
  UC478969  Lupinus excubitus Marcus E. Jones 1931-5-17 28966 Riverside Keyes Ranch Comment
  UCR240632  Lupinus excubitus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 407 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  JOTR34274  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA33770  Lupinus excubitus var. austromontanus N. C. Cooper 1944-6-17 2006 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  CAS-BOT-BC216697  Lupinus excubitus var. excubitus P. C. Everett 1935-6-18 7182 Riverside 1 mile from Ortega Highway, Main Divide Motorway to Santiago Peak, Santa Ana Mountains 731 Comment
  RSA796518  Lupinus excubitus var. hallii Robert F. Thorne, E. W. Lathrop 1977-5-18 49728 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR35349  Lupinus excubitus var. hallii L. B. Ziegler 1967-4-25 120 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  UCR91657  Lupinus excubitus var. hallii D. L. Banks, Steve Boyd 1995-4-5 146 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail, on terraces of W fork of Arroyo Seco. 573 Comment
  RSA503811  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA78197  Lupinus formosus Philip A. Munz 1953-5-31 18519 Riverside Joshua Tree National Monument. 1357 Comment
  SDSU4976  Lupinus formosus Garrison 1962-7-29 Riverside San Jacinto Mountains. 2 miles beyond Black Mountian campground. 2286 Comment
  UCR2890  Lupinus hirsutissimus Paul W. White 1963-5-11 51163- 14 Riverside Peninsular Ranges/ San Jacinto Mountains, 5 mi. east of Cranston Ranger Station on State Hwy 74 out of Hemet 915 Comment
  VVC222  Lupinus hirsutissimus A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20654 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  JEPS65215  Lupinus hyacinthinus W. L. Jepson 2315 Riverside slope of San Jacinto Peak 3169 Comment
  UCR180045  Lupinus microcarpus Mitch Provance 2005-5-18 9810 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  JEPS108064  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Guava St. (DeLuz Road) 0.4 mi S jct. Washington Ave. in Murietta Comment
  RSA0028837  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA586794  Lupinus sparsiflorus D. L. Banks, S. D. Boyd 1995-5-3 0232 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SD224969  Lupinus sparsiflorus G. K. Helmkamp 1998-4-3 3091 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  SDSU18359  Lupinus sparsiflorus C. Matt Guilliams, Jeannine Ross 2008-3-12 528 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. 428 Comment
  UC1537124  Lupinus sparsiflorus Gordon H. True Jr. 1935-4-1 194 Riverside Box Springs 426 Comment
  RSA701655  Lupinus sparsiflorus var. arizonicus Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  POM2382  Lupinus sparsiflorus var. inopinatus H. M. Hall 1902-04 7294 Riverside [No location information provided.] Comment
  UC536840  Lupinus succulentus M. E. Jones 1933-4-5 2 Riverside Hemet Comment
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Mar 24 2011
  RSA450316  Lupinus truncatus J. C. Roos 1948-4-24 3788 Riverside Cabazon. Comment
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Apr 3 2011
  RSA500220  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3523 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA613470  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1451 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SDSU14024  Lupinus truncatus Jonathan S. Austin, Michael G. Simpson 2002-4-20 18 Riverside Near parking area off Tornado road, about 15 feet from the river. North side of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UC865520  Lupinus truncatus I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4631 Riverside Perris-Gavilan Peak 550 Comment
  JOTR32919  Lycium andersonii Andre, Jim, Tasha La Doux 2009-2-28 10841 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  RSA49383  Lycium andersonii Philip A. Munz 1949-4-11 12999 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  UCR100785  Lycium andersonii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR110390  Lythrum hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23084 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  UCR34958  Madia elegans subsp. wheeleri L. B. Ziegler 1968-6-12 312 Riverside San Jacinto Mtns, Thomas Mtn 1982 Comment
  RSA463262  Mahonia nevinii L. F. LaPre, K. Campbell 1988-1-22 s.n. Riverside Tonan property, along Temecula Creek on old Vail Ranch, E of Temecula. Comment
  UCR252648  Malacothamnus densiflorus T. B. Salvato, Matthew Malle 2013-4-5 7512 Riverside Perris-Aguanga Basin, Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle 604 Comment
  CSUSB1446  Malacothamnus fasciculatus Dean Jones 1966-2-25 Riverside Along creek a few a hundred yards past the road, in canyon, south of Stone Face, in Riverside. 365 Comment
  UCR256788  Malacothamnus fasciculatus T. B. Salvato, Matthew Malle 2013-5-20 7571 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  POM98395  Malacothamnus fasciculatus P. A. Munz 1925-5-20 9865 Riverside near Corona 427 Comment
  UC455906  Malacothrix clevelandii I. J. Condit 1910-6-24 Riverside road to Strawberry Valley; San Jacinto Mts. 914 Comment
  POM362313  Malacothrix glabrata N. C. Cooper 1949-4-8 3296 Riverside Desert Center. 609 Comment
  RSA703369  Malacothrix glabrata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1442 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA692250  Malacothrix saxatilis var. tenuifolia Scott D. White, Michael Honer 2003-5-27 9401 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  SEINET998497  Malvaceae A. C. Sanders, T. B. Salvato 2006-1 32245 Riverside Riverside, UCR campus, weed in botanical garden. (Riverside East 7.5' Q) 351 Comment
  RSA675798  Malvella leprosa Scott D. White 2001-7-9 8721 Riverside Menifee: 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 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
  UCR110371  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR272499  Malvella leprosa Mitch Provance 2013-6-16 613- 23 B Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  SFV6503  Mammillaria dioica T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 41 Riverside 4 miles south of Highway 111 on Highway 74. 305 Comment
  SD190351  Marah macrocarpa A. C. Sanders 2004-4-20 27525 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line. 640 Comment
  UC1537624  Marah macrocarpa Gordon H. True Jr. 1935-3-1 38 Riverside Gavilan Hills 548 Comment
  UCR104912  Marah macrocarpa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20668 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  JOTR16700  Marina parryi Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  JOTR29082  Marina parryi La Doux, Tasha 2005-3-30 1199 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA404236  Marina parryi M. B. Dunkle 1935-3-30 4424 Riverside Pinto Basin, Colorado Desert. 915 Comment
  SBBG53735  Marina parryi C. Epling, H. Lewis 1941-5-2 Riverside Corn Spring, Chuckawalla Mtns Comment
  UCR178556  Marina parryi R. G. Swinney 1967-3-12 083 Riverside Sonoran (Colorado) Desert, North of Desert Center, [a short distance] along the road 274 Comment
  UCR33653  Marina parryi Sears 1977-10-10 S 523 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  UCR50576  Marina parryi B. G. Pitzer 1988-3-10 0646 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  UCR155049  Marsilea vestita Jason L. Hlebakos 2005-5-18 699 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  UCR85594  Marsilea vestita subsp. vestita Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1433 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  RSA0013134  Matricaria discoidea LeRoy Gross, Caitlin Elam 2013-5-14 6062 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
  SD152927  Matricaria discoidea Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6768 Riverside Santa Ana Mountains; Tenaja Trail from junction with Morgan Trail south to Pigeon Spring area. 669 Comment
  UCR92697  Matricaria matricarioides A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18039 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  UCR154842  Matricaria occidentalis A. C. Sanders, Kelly Volansky 2005-3-17 29242 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
  CSUSB1089  Medicago polymorpha Leland R. Dykes 1962-5-1 56 Riverside Santa Ana Mountains, San Mateo Canyon Road. 12.5 miles west of Palomar Road, Murrieta. Comment
  CSUSB1090  Medicago polymorpha William R. Bowen 1962-4-20 051 Riverside Canyon Crest on the UCR campus 304 Comment
  CAS-BOT-BC281599  Melica imperfecta H. M. Hall 1901-6-1 2079 Riverside In the vicinity of Chalk Hill, San Jacinto Mts 1463 Comment
  UCR113894  Melica imperfecta Mitch Provance 1998-4-14 443 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  UCR215796  Melica imperfecta Anuja Parikh 1990-5-8 163 Riverside Perris/Aguanga Basin, west of Perris Valley, Motte Rimrock Reserve, 0.6 km south of Cajalco Road, 1.4 km east of old Elsinore Road 510 Comment
  SD217288  Melilotus albus Steve Boyd, Tim Ross & Orlando Mistretta 1992-2-2 6630 Riverside Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  CDA4200  Melilotus indicus Bob Rose 1964-3-11 Riverside IKI Farms, Mecca Heights, ca. 2 miles north of the Salton Sea, Coachella Valley. 0 Comment
  UCR174243  Melilotus indicus A. C. Sanders, T. B. Salvato 2006-6-2 33075 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
  POM13577  Mentzelia affinis P. A. Munz, D. D. Keck 1922-4-14 s.n. Riverside Indian Wells 107 Comment
  JOTR33728  Mentzelia albicaulis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2729 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  RSA282502  Mentzelia albicaulis J. Zavortink 1966-3-18 2663 Riverside Along route 60, 5.7 miles W of Desert Center. Riverside County Comment
  SEINET1908634  Mentzelia dispersa A. C. Sanders, Mitch Provance 2008-1 35767 Riverside Peninsular Range; San Jacinto Mtns.: FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Kreenwild Fire Station (Idyllwild 7.5' Q.) 1463 Comment
  UC489134  Mentzelia dispersa C. V. Meyer June 1927 192 Riverside San Jacinto Mts. Saunder's Meadow 1615 Comment
  UCR68873  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UCR124003  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 2001-4-14 6467 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  RSA440401  Mentzelia involucrata var. megalantha P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Foot of canyon side. Comment
  RSA440420  Mentzelia involucrata var. megalantha W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  RSA440443  Mentzelia jonesii Christopher Davidson 1979-4-4 7720 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR92259  Mentzelia laevicaulis Scott D. White 1995-8-23 3573 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  POM248399  Mentzelia longiloba var. longiloba Philip Crow 1939-7-22 s.n. Riverside Blythe. Comment
  UCR224435  Mentzelia montana Scott D. White, Justin M. Wood 2009-5-22 12899 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA604767  Mentzelia obscura A. C. Sanders, B. Pitzer, D. Charlton, J. Kniffen 1986-3-3 6074 Riverside Corn Spring, Chuckawalla Mtns, wash below the spring and wash and rocky slopes to the south. 488 Comment
  OBI12495  Mentzelia veatchiana Robert F. Hoover 1969-4-11 11212 Riverside Mouth of Morongo Valley cyn Comment
  RSA584681  Microseris douglasii subsp. douglasii D. Bramlet 1992-4-29 2244 Riverside San Jacinto Nuevo Y Potrero. This site is located some 823m west of Gilman Springs Road (Highway 79), just northwest of the Quail Ranch golf course. It is approximately 460m south of Bold Style Ave. 436 Comment
  UCR77769  Microseris douglasii subsp. douglasii Steve Boyd, D. E. Bramlet 1991-5-13 6233 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  UC2029942  Microseris douglasii subsp. platycarpha Steve Boyd 2001-4-12 10415 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  RSA263715  Microseris douglasii subsp. tenella E. W. Lathrop 1969-5-9 7050 Riverside Mail Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA543908  Microseris heterocarpa Steve Boyd, Orlando Mistretta 1991-5-22 6283 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA522730  Microseris lindleyi Steve Boyd, Lewis S. Ross, Laurel Arnseth 1990-3-29 3835 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR121185  Microseris lindleyi D. E. Bramlet 1989-4-7 1814 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, south of Lake Skinner, 4700 ft. west of Old Warren Rd. and 1700 ft. south of the E-W access road 488 Comment
  RSA0018773  Mimetanthe pilosa Gary D. Wallace 2003-7-8 4035 Riverside Hidden Lake. Comment
  SEINET10796646  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12837 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA0056604  Mimulus aurantiacus var. pubescens Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4775 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA192316  Mimulus aurantiacus var. pubescens H. A. Zuill 1966-3-20 96 Riverside About 2 mi. WSW of Murrieta. Comment
  POM27  Mimulus aurantiacus var. puniceus Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  SDSU13952  Mimulus aurantiacus var. puniceus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2149 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR155328  Mimulus aurantiacus var. puniceus A. C. Sanders, Mike Misenhelter 2005-3-23 29260 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR174330  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32565 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
  JEPS8159  Mimulus bigelovii var. bigelovii W. I. Follett 126 Riverside 5 mi w Desert Center; Colorado Desert Comment
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Sep 3 2011
  RSA717465  Mimulus brevipes Scott D. White 2006-4-28 11322 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR114336  Mimulus brevipes Mitch Provance 2000-5-5 2012 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  CAS-BOT-BC9461  Mimulus diffusus Alice Eastwood; John Thomas Howell 1937-4-24 3913 Riverside Summit of Santa Ana Mts. above Elsinore Comment
  UCR217568  Mimulus diffusus Jeff B. Galvin 2009-4-21 87 Riverside Peninsular Ranges, Lake Skinner Multi-Species Reserve, South of Tucalota Creek, just east of the equestrian trail 471 Comment
  UCR202242  Mimulus fremontii 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
  UCR59689  Mimulus guttatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3575 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA0054845  Mimulus guttatus var. nasutus Keith E. Hoffmaster 1933-4-14 528 Riverside Tahquitz canyon. Comment
  RSA296130  Mimulus pilosus Barry A. Prigge 1980-8-5 3849 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  HSC85301  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  UCR97267  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SEINET11941952  Mirabilis californica H. M. Hall 1903-1 3807 Riverside Vicinity of Riverside, in the Sonoran Zone 610 Comment
  UCR214282  Mirabilis laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37468 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  POM293184  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12022 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  RSA4385  Mirabilis laevis var. crassifolia Carl B. Wolf 1932-3-20 31 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  CAS-BOT-BC434819  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-3-23 s.n. Riverside 29 Palms Canyon Comment
  JOTR31938  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2176 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  RSA408763  Mohavea confertiflora George R. Johnston, G. R. Johnston 1930-4-14 14660 Riverside Shaver's Well Riverside. Comment
  RSA444464  Mohavea confertiflora J. C. Roos 1966-3-20 s.n. Riverside Wash 2 miles SE of Desert Center Comment
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Aug 22 2011
  SD233949  Mohavea confertiflora Thomas Stoughton 2011-2-20 740 Riverside Colorado Desert; Western Colorado Desert region: North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road (Mortmar 7.5' USGS) 305 Comment
  PASA135  Mohavea viscida R. E. Merrill Riverside Palm Canyon Comment
  RSA0027469  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 58 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
  LA62610  Monardella australis subsp. australis Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley Comment
  RSA408712  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Dark Canyon, near Deer Springs, San Jacinto Mts. Comment
  SEINET4082822  Monardella breweri subsp. lanceolata O. M. Clark 1932-1 5113 Riverside South Hemet. Comment
  POM230697  Monardella lanceolata var. lanceolata I. W. Clokey, E. G. Anderson 1935-8-21 6870 Riverside North fork, San Jacinto River. 1500 Comment
  UCR35333  Monardella linoides subsp. linoides L. B. Ziegler 1964-8-14 11 Riverside Peninsular Range; San Jacinto Mtns., Garner (Hemet) Valley, Old Kenworthy [Ranger Station] District 1433 Comment
  LA96092  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 0.75 mi. beyond the snow gate Comment
  UC1499896  Monardella nana Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 1/2 miles above Pines to Palms Highway Comment
  RSA750415  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 56 Riverside Road to Santa Rosa Mt. 0.3 miles from Pines to Palms Highway. Comment
  RSA97669  Monardella nana subsp. arida R. M. Straw 1954-6-10 607 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  RSA287096  Monardella nana subsp. tenuiflora J. Derby 1978-6-9 s.n. Riverside San Jacinto Mountains: Lake Fulmor. Southeast of present L. Fulmor parking lot. Comment
  RSA750288  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 96 Riverside Banning-Idyllwild road. 2 miles beyond Stone Creek. Comment
  UC1499805  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 109 Riverside trail to Deer Springs (below third spring which crosses trail); San Jacinto Mts. Comment
  JOTR32860  Monoptilon bellidiforme La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 2 mi NE of Cottonwood Visitor Center Comment
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Oct 12 2013
  CAS-BOT-BC349790  Monoptilon bellioides F. W. Peirson 1920-2-15 1383 Riverside Near Palm Springs, Coachella Valley Comment
  UCSB9912  Monoptilon bellioides Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  UCR24296  Montia chamissoi John C. Roos 1937-8-18 2536 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  UCR25621  Muhlenbergia asperifolia John C. Roos 1951-9-25 5257 Riverside City of Riverside, west end of Fairmount Park 259 Comment
  POM47180  Muhlenbergia microsperma Mary F. Spencer 1920-4-7 1548 Riverside Palm Canyon. Comment
  SD224803  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. MacKay, et al 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. Foothills: Chino Canyon near the Palm Spring tram station. 794 Comment
  SDSU13960  Muhlenbergia microsperma Michael G. Simpson 2000-5-13 2117 Riverside Santa Margarita Ecological Reserve, ca. 100 feet from Northside field station. 366 Comment
  UCR104963  Muhlenbergia microsperma George K. Helmkamp, E. A. Helmkamp 1998-2-18 2731 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR136266  Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA597519  Muhlenbergia richardsonis L. C. Wheeler 1945-10-6 6136 Riverside San Jacinto Mountains. Head of west fork of Snow Creek. 2377 Comment
  JEPS68834  Muhlenbergia rigens Annie M. Alexander and Louise Kellogg 1938-12-11 269 Riverside Lost Palm Canyon 685 Comment
  JEPS29484  Muilla maritima Lauramay T. Dempster 1962-4-18 1898 Riverside Palms-to-Pines Hwy Pinyon Flats 1066 Comment
  RSA674932  Muilla maritima Scott D. White, Tasha LaDoux 2000-4-23 7719 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  SDSU13936  Muilla maritima Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2127 Riverside Santa Margarita Ecological Reserve (SDSU), southeast region, east of El Valle meadow. 671 Comment
  UCR92179  Muilla maritima D. L. Banks, Steve Boyd 1995-5-3 269 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  RSA85153  Myosurus minimus subsp. apus J. C. Roos 1952-4-9 5515 Riverside Edgemont near Box Springs. 488 Comment
  UCR76165  Myosurus minimus subsp. apus A. C. Sanders 1993-4-1 13664 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UC1971499  Myriopteris parryi Louis C. Wheeler 1963-3-17 8243 Riverside SANTA ROSA MOUNTAINS: Martinez Canyone. Comment
  RSA517920  Nama demissa Steve Boyd, B. Roy, T. S. Elias, S. Zona, S. Meury 1986-3-5 1346 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  UCSB5309  Nama demissa Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shavers Summit Comment
  SEINET7106399  Nama demissa var. demissa Leigh A. Johnson, J. Mark Porter 1997-3-7 97 -003 Riverside Whitewater Canyon, south slopes of San Bernardino Mtns, just N of I-10. Between Whitewater River and Whitewater Canyon road, about 50 yards from road.; 0 500 Comment
  SD239780  Nama hispida var. spathulata David Silverman, Onkar Singh 2010-3-27 7856 Riverside McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & ca. 7.6 km N of Blythe Airport. 135 Comment
  JEPS462  Nassella cernua E. Bartholomew Riverside Riverside Comment
  RSA525441  Nassella lepida Steve Boyd, D. Bramlet 1990-4-29 4486 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA496363  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3037 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA388319  Navarretia atractyloides Steve Boyd 1986-5-7 1848 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UCR112000  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR280914  Navarretia atractyloides Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 39 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR70682  Navarretia fossalis D. E. Bramlet 1991-6-19 2197 Riverside Perris-Aguanga Basin region, San Jacinto River area, about 600 m west of river and 1 km south of Lakeview Hot Springs. About 30 m south of MWD Colorado Aqueduct easement road, and 630 m east of intersection of Pozos Ave. and the MWD road. Population 30 m west of existing blueline channel 473 Comment
  RSA356991  Navarretia prostrata R. F. Thorne 1973-5-23 43860 Riverside Santa Rosa Plateau-Mesa De Colorado. 609 Comment
  RSA735226  Nemacladus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11250 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  JEPS5234  Nemacladus glanduliferus W. L. Jepson 1928-4-25 12602 Riverside Cottonwood Springs; Colorado Desert, Eagle Mts. 731 Comment
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Oct 9 2010
  UCR280949  Nemacladus longiflorus var. longiflorus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 68 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  RSA0126347  Nemacladus longiflorus var. longiflorus P. A. Munz 1927-5-20 10864 Riverside Cohuila. Comment
  POM18131  Nemacladus ramosissimus P. A. Munz 1923-9-7 7769 Riverside Trail from Holy Jim Canyon to Santiago Peak. 1128 Comment
  UCR21949  Nemacladus ramosissimus Steve Boyd 1980-5-3 167 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR256695  Nemacladus ramosissimus LeRoy Gross, Duncan S. Bell 2013-4-30 6025 Riverside Peninsular Range; San Jacinto Mtns., Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W and ended at 33.72912N 116.75098W 1556 Comment
  UCR44436  Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  UC24227  Nemophila menziesii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR177946  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 016 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR178843  Nemophila menziesii T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 133 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR249816  Nemophila menziesii T. B. Salvato, John Lovio 2013-3-19 7350 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR41360  Nemophila menziesii N. M. Fellows 1985-3-3 88 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCR93029  Nemophila menziesii G. P. Schultz 1994-4-7 83 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA329566  Nemophila menziesii var. menziesii Gary D. Wallace 1966-4-7 447 Riverside Tucolata Valley between Sage and Murrieta. Comment
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Feb 23 2017
  UCR133427  Nicotiana attenuata Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 463 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR33574  Nicotiana attenuata Sears 1978-3-16 804 Riverside Sonoran (Colorado) Desert, 10 mi north of Blythe along road to Midland. Foothills of Big Maria Mtns. 274 Comment
  RSA0060575  Nicotiana glauca Bob Rogers 1984-4-14 1 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  RSA192101  Nicotiana glauca E. W. Lathrop 1959-4-2 4420 Riverside 18 miles west of Murrieta. Comment
  RSA0125266  Nicotiana obtusifolia Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8762 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA426711  Nicotiana obtusifolia Donald Myrick 1968-3-3 1797 Riverside In Box Canyon east of MEcca. 366 Comment
  UCR102704  Nicotiana obtusifolia B. G. Pitzer 1998-1-24 3387 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
  UCSB41263  Nicotiana obtusifolia Cowan, Clark 1978-4-23 Riverside 2.7 mi (4.3 km) S on Hwy 74 from its jct w/ Hwy 111 at Indian Wells, Whittaker transect #W-218 210 Comment
  OBI35027  Nicotiana obtusifolia Sears 1977-10-12 S 572 Riverside Corn Spring, Desert Palm Oasis 512 Comment
  RSA0018757  Nicotiana obtusifolia Jack Rempel 1932-11-13 16111 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  RSA0018762  Nicotiana obtusifolia Robert F. Thorne 1966-10-15 41787 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCR125291  Nicotiana quadrivalvis A. C. Sanders 2002-11-21 25648 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  SEINET4098931  Nicotiana trigonophylla G. T. Manthey 1977-1 1621 Riverside 10 miles east of Mecca, along road going to Joshua Tree National forest. Comment
  UCR120327  Nierembergia frutescens Mitch Provance 1998-7-23 931 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  RSA753479  Nolina parryi Scott D. White, Justin M. Wood 2009-5-21 12868 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  CHSC118897  Nolina parryi Mike Lahti 2012-5-19 Riverside Pinyon Pines; Highway 74 and Pinyon Flats Road, San Bernardino National Forest, near the U.S.F.S. Pinyon Flats campground. Comment
  SD9402  Notholaena californica subsp. californica C. C. Parry Mar 1876 Riverside San Jacinto Mountain Comment
  RSA192047  Oenothera elata subsp. hirsutissima H. A. Zuill 1966-6-23 240 Riverside De Luz Road about 9 miles SW of Murrieta. Comment
  RSA605206  Oligomeris linifolia A. C. Sanders, G. K. Helmkamp, P. Mackay 1995-3-12 16026 Riverside Sonoran (Colorado) Desert Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111). -7 Comment
  RSA6762779  Oligomeris linifolia Scott D. White 2001-4-3 8238 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG87722  Oligomeris linifolia S. Boyd with R. Noyes, L. Arnseth, T. Ross 1988-3-10 2128 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  UC1080224  Olneya tesota P. C. Everett and E. K. Balls 1958-5-7 23116 Riverside entrance to Box Canyon (Hwy 195, Mecca to Blythe) 198 Comment
  RSA0039454  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-1 40725 Riverside Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR26900  Oncosiphon piluliferum K. M. Kummer 1981-5-19 s.n. Riverside Box Springs Reserve, Box Springs Mtns. 732 Comment
  SEINET7103030 Image available Opuntia Bruce D. Parfitt, Rita Anthony, Andy Sanders 1986-4-21 3516 Riverside San Bernardino National Forest, Pinyon Flat, 0.1 mile S of Hwy 74, SSW of Palm Desert. 1250 Comment
  SEINET10447238  Opuntia echinocarpa David B. Dunn 1946-3-16 Dunn 2082 Riverside Collected on a dry plateau n of pushawalla palms about a mile. Indio hills. Comment
  RSA0114702  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  POM284052A  Opuntia vaseyi Lyman Benson 1955-12-6 15620 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  VVC2183  Orcuttia californica Tim Thomas, Bill Baker 1983-6-30 579 A Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  SEINET10723433  Oreostemma alpigenum var. andersonii David B. Dunn 1946-8-17 Dunn 2693 Riverside Damp meadow area grassy, near the stream at the camp in Taquitz Valley, San Jacinto Mts. 2438 Comment
  JEPS85944  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  UCR103296  Orobanche cooperi George K. Helmkamp 1998-4-4 3176 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  JOTR00911  Orobanche cooperi Sipe, Frank 1958-3-9 253 Riverside Joshua Tree National Park. PINTO BASIN Comment
  CAS-BOT-BC502872  Orobanche cooperi subsp. latiloba Carl B. Wolf 1932-4-29 3113 Riverside Eastern Colorado Desert. Blythe--Rice Road, 4 mi S of Browns Well Comment
  RSA0124000  Orobanche fasciculata Duncan S. Bell, Thomas Stoughton 2016-4-13 9250 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA0070943  Orobanche fasciculata Darin L. Banks, Steve Boyd 1995-5-17 447 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 597 Comment
  RSA0034093  Orobanche parishii Duncan S. Bell 2013-1-30 4452 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  UCR232760  Orobanche parishii W. P. Armstrong, Tom Chester, D. Stith 2008-8-18 1348 Riverside Peninsular Range; San Jacinto Mtns., lower end of Tamarack Valley 2823 Comment
  CAS-BOT-BC355749  Osmadenia tenella Steve Boyd 1986-5-7 1826 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area Comment
  RSA458998  Osmorhiza berteroi Anstruther Davidson 1876-7-7 s.n. Riverside San Jacinto. 2896 Comment
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Oct 21 2010
  RSA612808  Osmorhiza brachypoda D. L. Banks 1997-3-1 1361 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  CAS-BOT-BC7024  Oxytheca emarginata Harvey Monroe Hall 1901-7-1 2331 Riverside San Jacinto Mountains, near Tauquitz 2194 Comment
  UCR3585B  Oxytheca emarginata L. B. Ziegler 1964-7-10 640710- 001 Riverside San Jacinto Mtns., Garner Valley, 2 mi. northeast of Kenworthy Ranger Station Comment
  UC572580  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mi ne Keen Camp; San Jacinto Quad. 1615 Comment
  UCR147565  Oxytheca trilobata Rashmi Pant, D. L. Banks 1996-5-1 1013 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Cleveland National Forest: Along the Cutca Trail, east of the Cutca Valley, c. 0.5 miles west of the Aguanga Trail Junction Comment
  UCR222308  Oxytheca trilobata R. F. Thorne, W. Wisura, David Michener 1982-5-24 55191 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, [north] along Main Divide Truck Road [from El Cariso Fire Station area] 915 Comment
  RSA650116  Paeonia californica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  CAS-BOT-BC327890  Palafoxia arida Carl B. Wolf 1932-5-25 3684 Riverside San Gorgonia Wash, on road to Snow Creek Canyon 365 Comment
  UCR104807  Palafoxia arida George K. Helmkamp, E. A. Helmkamp 1998-2-18 2711 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  SEINET10799055  Palafoxia arida Lewis S. Rose 1936-1-1 Rose 36003 Riverside Colorado Desert, L.A. Aqueduct Road, 15 mi. N of Indio. 305 Comment
  RSA363758  Palafoxia arida var. arida N. C. Cooper 1942-4-25 617 Riverside Palm Springs. Comment
  UC166696  Palafoxia arida var. arida Geo. B. Grant May 1-10, 1906 906 -6748 Riverside Palm Springs Colorado Desert Comment
  UCR269843  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2016-3-18 42382 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR19663  Panicum alatum var. minus John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  RSA801737  Panicum antidotale Anonymous 1952-9-20 s.n. Riverside San Jacinto Valley. Hemet. Comment
  UCD90127  Panicum urvilleanum R. Tofsrud 1949-4-1 s.n. Riverside Hwy. 99 between Indio and Thousand Palms. Comment
  RSA516425  Papaver californicum Walter Wisura 1990-5-2 4432 Riverside Ortega Hwy, at lower switchbacks above Lake [Elsinore] . Comment
  HSC21662  Parietaria floridana C. L. Hitchcock, C. V. Muhlick 1964-3-22 23246 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  CAS-BOT-BC413374  Parietaria hespera var. californica Steve Boyd 1992-4-15 6877 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  RSA509725  Parietaria hespera var. californica Ed LaRue 1989-4-12 s.n. Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  UCR49218  Parietaria hespera var. californica Steve Boyd 1986-4-2 1596 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UC848656  Parietaria hespera var. hespera Alice Eastwood 1913-4-30 3035 Riverside Palm Springs Comment
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Aug 10 2006
  UCR42401  Parietaria hespera var. hespera J. M. Stewart 1986-1-27 86 12 Riverside Sonoran (Colorado) Desert, Hidden Springs Canyon, Mecca Hills 244 Comment
  UCR67370  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3965 B Riverside Peninsular Range, Vail Lake area, westerly draining canyon at N base of 'Big' Oak Mtn. 674 Comment
  UCR25860  Parkinsonia florida John C. Roos 1937-4-28 794 Riverside Sonoran (Colorado) Desert, Desert Center 274 Comment
  CAS-BOT-BC355865  Pectis papposa var. papposa S. B. Parish 1912-10-11 8371 Riverside Salton Basin. Flats near Mecca -57 Comment
  UC1532788  Pectis papposa var. papposa Robert F. Thorne 1966-10-15 41795 Riverside at foot Palms to Pines Highway (near Palm Desert); Dead Indian Canyon Comment
  UCR108477  Pectocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16145 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR33810  Pectocarya heterocarpa Sears 1978-3-16 826 Riverside Sonoran (Colorado) Desert, 2.5 mi NW of Midland, in wash area beyond gap between Little Maria and Big Maria Mtns 270 Comment
  UCR174125  Pectocarya linearis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32632 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
  HSC79098  Pectocarya linearis subsp. ferocula James Henrickson 1973-3-18 8596 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  SD137836  Pectocarya linearis subsp. ferocula Darin L. Banks 1995-4-5 134 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of Dripping Springs Alcove,along Drip.Sp.Trail 609 Comment
  RSA757639  Pectocarya penicillata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4313 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SBBG87984  Pectocarya penicillata B. Wagner 1988-3-9 Riverside Benton Rd and San Diego aqueduct, 0.5 mi E of Winchester Rd, NE of Murrieta 411 Comment
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Mar 20 2011
  UCR88573  Pectocarya penicillata A. C. Sanders, J. C. Lyman 1995-4-16 16568 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA779011  Pectocarya platycarpa Duncan S. Bell 2010-4-1 644 B Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  RSA0125285  Pectocarya recurvata Duncan S. Bell 2016-3-4 8790 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
  RSA673476  Pectocarya recurvata Scott D. White, Tasha La Doux 2000-4-20 7695 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  JOTR32198  Pectocarya setosa Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Gentle, gravelly north facing slope near the intersection of Ryan Mountain Trail and Sheep Pass Spur Trail (Stop 3) 1361 Comment
  RSA500990  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3109 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  UC1424841  Pedicularis densiflora E. W. Lathrop 1977-4-13 7606 Riverside 4 mi w of Corona (between Tin Mine Canyon and Santiago Peak, Skyline Drive, Sierra Peak near the towers); Santa Ana Mountains Comment
  IRVC3146  Pellaea mucronata Charley Ford 1965-4-20 HS 590 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  UCR9268  Pennisetum clandestinum O. F. Clarke 1969-11-10 s.n. Riverside University of California, Riverside Comment
  UCR178017  Penstemon X parishii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA0006178  Penstemon californicus Philip A. Munz, J. M. Johnston 1922-5-21 5445 Riverside San Jacinto Mts., Kenworthy, Hemet Valley; 2 miles NW of Kenworthy. 1372 Comment
  NY583812  Penstemon centranthifolius F. W. Pennell 1940-4-28 25289 Riverside Route 74; below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  RSA651708  Penstemon centranthifolius Diane M. Ramirez 1983-5-5 7 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA747867  Penstemon centranthifolius Justin M. Wood 2009-5-11 702 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  LA209529  Penstemon clevelandii Elizabeth Levien; 1949-5-22 sn Riverside Santa Rosa Mountains, Pines to Palms highway near Pinon Flats Comment
  LA85954  Penstemon clevelandii O. H. Kappler; 1948-4-18 1656 Riverside San Jacinto Mountains, Hiway 74 1219 Comment
  JEPS7907  Penstemon clevelandii var. connatus Rimo Bacigalupi with L. R. Heckard 1953-5-5 4074 Riverside w slopes of Deep Canyon btw Santa Rosa Mts and San Jacinto Mts, Coachella Valley (along Palms-to-Pines Highway (Calif 74) above Seven Level Hill, mts w side Coachel1a Valley, 1/2-way btw Santa Rosa and San Jacinto Mts) Comment
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Dec 23 2011
  SD135328  Penstemon clevelandii var. connatus Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak Road Comment
  RSA20208  Penstemon spectabilis Carl B. Wolf 1938-6-11 9417 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA285606  Penstemon spectabilis D. C. Michener 1980-6-13 3680 Riverside At east end of Thomas Mtn road above Garner Valley. Comment
  RSA33812  Penstemon spectabilis N. C. Cooper 1944-6-4 1322 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  SEINET3078485 Image available Penstemon spectabilis Nancy J. Matthews 1963-5-9 50963 -5 Riverside 1 mile east of Cranston Ranger Station (San Jacinto Mtns.; Hwy 74) 610 Comment
  UCR15978  Penstemon spectabilis K. S. Gill 1965-3-21 49 Riverside Santa Ana Mtns, Tin Mine Canyon at the foot of Skyline Drive, south of Corona 610 Comment
  NY661178  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-25 485 Riverside Northwest slope of Santa Rosa Mountain, along truck trail, San Jacinto Mountains 1828.8 Comment
  RSA430200A  Pentachaeta aurea E. Misquez 1987-4-11 s.n. Riverside Walker Basin: 2 miles on Avenida de Oro from jct. with Rancho California Rd. and 4.7 miles W of I15. 415 Comment
  SBBG133365  Pentachaeta aurea S. D. White, J. M. Wood 2008-5-15 11987 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  UC1478709  Pentachaeta aurea C. W. Tilforth and B. Busenberg 1980-6-10 1977 Riverside on n leg of Thomas Mtn. Rd. 0.1 mi n Hiway 74 (1 mi s of Lake Hemet) 1386 Comment
  RSA0070918  Pentagramma maxonii Norman C. Cooper 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  RSA0015690  Pentagramma triangularis Duncan S. Bell 2013-9-29 6048 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  RSA687426  Pentagramma triangularis Norman C. Cooper 1944-4-8 1085 Riverside Andreas Canyon 457 Comment
  UCSB41255  Pentagramma triangularis subsp. triangularis Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  HSC99163  Peritoma arborea Paul J. CaraDonna 2009-3-15 123 Riverside Cotton Wood Creek Campground area, Joshua Tree National Park. Comment
  JOTR32852  Perityle emoryi La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1166 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  POM301786  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  RSA564761  Perityle emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12101 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR224306  Perityle emoryi Justin M. Wood, Jamie Miner 2010-4-29 1542 Riverside Coachella Velley, Cathedral City, 0.5 mi southwest of intersection of East Palm Canyon Drive and Cathedral Canyon Wash 160 Comment
  UCR274808  Perityle emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 024 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  OBI12448  Petalonyx thurberi Robert F. Hoover 1966-10-15 10155 Riverside Dead Indian Creek wash, S of Palm Desert Comment
  RSA445161  Petalonyx thurberi N. R. Zabriskie, W. M. Zabriskie 1971-10-23 452 Riverside near Andreas Canyon Club gate, S Palm Canyon Drive, palm Canyon Drainage, E slope San Jacinto Mtns 168 Comment
  RSA701155  Petalonyx thurberi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11257 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC1321307  Petalonyx thurberi R. F. Hoover 1966-10-15 10155 Riverside s. of Palm Desert (Dead Indian Creek wash); Dead Indian Creek wash Comment
  LA49854  Petalonyx thurberi subsp. thurberi Victor Duran; 1933-7-3 3500 Riverside Coachella Valley, Deep Canyon 243 Comment
  SBBG29407  Petalonyx thurberi subsp. thurberi D. Myrick 1968-3-4 1802 Riverside Desert Hot Springs 304 Comment
  SD254713  Petunia parviflora D. E. Bramlet, Fred M. Roberts 2005-6-6 3868 Riverside San Jacinto Valley: San Jicinto River at Sanderson Ave., north Ramona Expressway. 447 Comment
  POM14022  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4841 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA81017  Phacelia ambigua G. R. Campbell 1952-4-6 18405 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  CLARK-A1528-552  Phacelia campanularia Charlotte Stocks 1962-5-15 Riverside Whitewater Canyon Comment
  RSA428152  Phacelia campanularia Martha Hilend 1928-3-9 62 Riverside Near White Water Bridge. Colorado Desert. Comment
  SBBG65004  Phacelia campanularia E. C. Jaeger 1926-3-1 Riverside Whitewater Bench, Whitewater River Comment
  SD119898  Phacelia campanularia Louis B. Ziegler 1973-5-2 508 Riverside Desert slopes of San Jacinto Mountains near Hwy #74, Ao to 1 mile below Pinyon Flats 1189 Comment
  SD124855  Phacelia campanularia Scott Cantrell 1986-3-28 88 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 518 Comment
  JEPS2191  Phacelia cicutaria var. hispida M. French Gilman 1845-1 714 Riverside Palm Springs (of Mt. San Jacinto) Mt. San Jacinto Comment
  SEINET7048178  Phacelia cicutaria var. hispida Steven R. Hill 2001-5-3 33684 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
  UC64056  Phacelia ciliata var. ciliata H. M. Hall 1897-3-20 394 Riverside Temescal Comment
  OBI26128  Phacelia crenulata David J. Keil 1976-12-12 11906 Riverside Ca. 5 mi E of Indio along I-10 Comment
  POM306723  Phacelia crenulata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1719 Riverside Near Desert Center-Indio. Comment
  UCR244908  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21376 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  CHSC34463  Phacelia crenulata var. crenulata Al Boynton 1966-3-26 35 Riverside 10 mi SE. of Thousand Palms in White Water canyon. San Bernardino Mts. 457 Comment
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Jan 15 2010
  RSA778225  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 30 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  POM98005  Phacelia curvipes E. C. Jaeger 1926-3-28 s.n. Riverside Old Santa Rosa Village, Santa Rosa Mountains 1829 Comment
  RSA444326  Phacelia distans Walter Wisura 1988-3-1 4194 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  RSA650565  Phacelia distans Marion P. Harthill 1971-3-19 21 Riverside Palm Desert. Comment
  UCD120432  Phacelia distans R. L. Smith 1948-3-24 s.n. Riverside North east side of San Jacinto Mountains. Comment
  UCR104034  Phacelia distans George K. Helmkamp 1998-2-5 2638 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR172203  Phacelia distans 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
  UCR178613  Phacelia imbricata Mitch Provance, Tracy Tennant 1998-6-16 MOR- 394 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  RSA659353  Phacelia minor P. Shirokawa 1998-5-15 29 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  RSA776234  Phacelia minor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 870 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SBBG55031  Phacelia minor D. Keil, M. McLeod 1979-3-18 12968 Riverside Alberhill Jct along St Hwy 71 365 Comment
  UC455955  Phacelia minor I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  UCR162642  Phacelia minor 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
  UCR261177  Phacelia minor A. C. Sanders, Katie Young, John Hale 2015-4-22 41603 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  RSA428115  Phacelia mutabilis M. B. Dunkle 1933-7-19 3680 Riverside Upper Tahquitz Valley. Strawberry Creek. 2409 Comment
  RSA554652  Phacelia neglecta A. C. Sanders, E. J. Lawlor 1992-4-4 12090 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  POM13911  Phacelia pedicellata P. A. Munz, D. D. Keck 1922-4-9 4758 Riverside Shavers Well, near Mecca. 76 Comment
  UCR262230  Phacelia umbrosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 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
  RSA291570  Phalaris aquatica C. W. Tilforth, B. Busenberg 1980-6-17 2022 Riverside Flat at large telephone signal reflector panel, south end of Thomas Mountain Road, south of Lake Hemet and west of Hwy 74 Comment
  CAS-BOT-BC265862  Phalaris canariensis Peter H. Raven 1958-5-18 12992 Riverside Pinon Flats, San Jacinto Mountains Comment
  UCR19277  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1.5 mi. SE of Perris. 427 Comment
  UCR199940  Phalaris paradoxa Scott D. White, Justin Wood 2008-5-13 11954 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  RSA0057658  Philadelphus microphyllus var. stramineus P. A. Munz 1938-8-14 15392 Riverside Santa Rosa Mountains, ridge east of Toro Peak. 2439 Comment
  SD28106  Phleum alpinum Carl B. Wolf 1932-8-5 3956 Riverside San Jacinto Mts. 1st real wet meadow on trail from Tahquitz Valley to San Jacinto Peak 2743 Comment
  UCR26196  Phlox austromontana John C. Roos 1946-8-27 2922 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  SD144147  Phoenix dactylifera A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart & C. L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. 29 Comment
  RSA0080318  Pholistoma membranaceum Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7363 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  UCSB18191  Phoradendron bolleanum Copeland, Jerry 1964-5-10 Riverside 30 feet northwest of Pinyon Flats Campground, 9 miles south of intersection of State Highways 71 and 74 Comment
  CAS-BOT-BC135110  Phoradendron californicum E. A. McGregor 1917-3-17 718 Riverside Sloping alluvial mesa W of Fig Trees, Salton Sink Comment
  HSC99177  Phoradendron californicum Paul J. CaraDonna 2009-3-17 131 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  UCR114127  Phoradendron californicum B. G. Pitzer, J. Ross 1998-3-8 3602 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  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
  RSA604716  Phoradendron macrophyllum Louis C. Wheeler 1961-10-8 7931 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  CAS-BOT-BC141175  Phoradendron serotinum subsp. macrophyllum W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon Comment
  CLARK-A1528-614  Phoradendron tomentosum subsp. macrophyllum P. A. Rauch 1966-1-24 Riverside Radec Comment
  RSA600564  Phoradendron villosum Louis C. Wheeler 1962-7-27 8176 Riverside Santa Ana Mountains. Headwaters of San Juan Creek. Comment
  RSA79895  Physalis crassifolia F. W. Peirson 1921-3-20 4485 Riverside Andreas Canyon, near Palm Springs 244 Comment
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Oct 18 2007
  SD111893  Physalis crassifolia Barbara Ertter, Jeffrey Strachan 1980-5-20 3467 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 456 Comment
  UCR60780  Physalis crassifolia Steve Boyd, Orlando Mistretta 1986-3-13 1483 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  CSUSB764  Physalis crassifolia var. crassifolia Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  RSA16501  Pinus coulteri Percy C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (North) Main Divide Motorway. 1220 Comment
  JEPS46817  Pinus flexilis W. L. Jepson 1901-1 Riverside Santa Rosa Peak Comment
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Apr 11 2014
  UC64554  Pinus flexilis H. M. Hall 1902-4-16 2886 Riverside Tahquitz Peak San Jacinto Mountains Comment
  RSA0094892  Pinus halepensis A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41732 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 395 Comment
  CAS-BOT-BC78895  Pinus monophylla John Thomas Howell 1960-3-24 35150 A Riverside Pinyon Flat, [Palms-to-Pines] Palms to Pines Highway, San Jacinto Mts. Comment
  RSA741587  Pinus monophylla Scott D. White, Justin M. Wood 2008-6-17 12187 Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR19208  Pinus monophylla John C. Roos 1947-4-5 3435 Riverside Santa Rosa Mtns., Pinyon Flats 1311 Comment
  SBBG56389  Pinus murrayana R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  RSA86362  Pinus quadrifolia F. W. Peirson 1922-5-20 3059 Riverside Hemet Valley, San Jacinto Mts. 1494 Comment
  UCSB147  Pinus quadrifolia Cline, C. 1960-5-15 Riverside 0.2 miles West of Hwy. 74 toward Anza 1066 Comment
  UCR41310  Piptatherum miliaceum N. M. Fellows, A. C. Sanders 1985-5-7 178 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
  UCR171912  Plagiobothrys canescens John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR281250  Plagiobothrys canescens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 36 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  UCR96806  Plagiobothrys collinus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19771 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  CAS-BOT-BC334461  Plagiobothrys collinus var. californicus A. C. Sanders; John F. Green 2013-3-27 40684 Riverside Peninsular Range: Alberhill, dirt track NE of new sectionof Nichols Rd. S of Lake St. 433 Comment
  JEPS29299  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8394 Riverside ca. 5 mi. s.e. Corona (just n. of Bedford Canyon, e. base Santa Ana Mts.1000 ft); Santa Ana Mts. Comment
  POM8982  Plagiobothrys collinus var. californicus P. A. Munz, Harwood 1920-3-20 3378 Riverside 5 miles S of Corona. 305 Comment
  UCR111554  Plagiobothrys collinus var. californicus Mitch Provance, J. Ross 1999-4-1 1729 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  POM12986  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-19 5417 Riverside Hemet Valley, San Jacinto Mts. 1418 Comment
  UC219101  Plagiobothrys leptocladus P. A. Munz 1922-4-29 5068 Riverside 1/2 mi s Lake Elsinore 381 Comment
  UC473483  Plagiobothrys leptocladus John Thomas Howell 1930-5-10 4776 Riverside March Field Comment
  UCR97273  Plagiobothrys leptocladus Scott D. White 1993-4-30 1325 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  HSC3768  Plagiobothrys nothofulvus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23082 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  POM368912  Plagiobothrys nothofulvus M. M. Thompson 1947-6-9 C 2061 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UC494752  Plagiobothrys nothofulvus Philip A. Munz 1932-3-24 12013 Riverside Corona 365 Comment
  UCR107411  Plagiobothrys tenellus B. G. Pitzer 1997-3-23 2966 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR20646  Plagiobothrys tenellus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  SD68967  Plantago elongata Robert Thorne, P. A. Munz, E. Lathrop 1968-5-8 37575 Riverside Santa Rosa Plateau: desiccated margin of vernal marsh on Mesa de Colorado, Rancho California; 671 Comment
  RSA615133  Plantago erecta A. C. Sanders, G. K. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area, lower Rawson Canyon, along the dirt road toward Bachelor Mtn 457 Comment
  UCR56012  Plantago erecta J. A. Adams 1966-3-12 441 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  CLARK-A1528-696  Plantago lanceolata Pat Halligan 1968-5-6 Riverside Riverside Comment
  SDSU14089  Plantago lanceolata Jonathan S. Austin, Michael G. Simpson 2002-4-20 19 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river,growing on slight mound of soil about two feet high. Santa Margarita Ecological Reserve. 229 Comment
  JEPS7184  Plantago ovata Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1952-4-2 3604 Riverside off Palms Canyon, at mouth of Andreas Canyon, lower slopes of Mount San Jacinto Mount San Jacinto, Andreas Canyon Comment
  RSA796014  Plantago ovata Duncan S. Bell 2009-4-18 248 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 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
  RSA27476  Plantago ovata var. fastigiata I. L. Wiggins 1941-3-24 3588 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
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Feb 20 2013
  RSA773594  Plantago patagonica Duncan S. Bell, Joy D. England 2010-6-14 1306 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  SBBG68797  Plantago patagonica M. N. Ackley 1928-3-10 791 Riverside Bridge Haven 426 Comment
  UCR199718  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass, Banning, south of Hwy I-10 and just north of San Jacinto Mountains toe slope. East of Sunset Avenue 701 Comment
  UCR182820  Platanus racemosa R. E. Riefner Jr. 2006-9-19 06- 445 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River 301 Comment
  UCSB2710  Platanus racemosa Haller, John 1950-5-20 Riverside base of San Jacinto Mtns; Hemet-Idyllwild Road; opposite Cranston Ranger Station 609 Comment
  RSA741373  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR151425  Platystemon californicus D. L. Banks, V. W. Steinmann 1997-3-13 1421 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
  UCR19213  Platystemon californicus John C. Roos 1942-5-2 1147 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. Hidden Valley Comment
  RSA766067  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine St. at Peach Tree St. 341 Comment
  CAS-BOT-BC326576  Pleurocoronis pluriseta H. M. Hall 1905-5-1 5992 Riverside Hills near Indio, Colorado Desert Comment
  CAS-BOT-BC326639  Pleurocoronis pluriseta Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6412 Riverside 12 airline miles north of downtown Blythe, Big Maria Mountains 289 Comment
  RSA648065  Pleurocoronis pluriseta J. C. Roos 1946-10-26 3141 Riverside Chuckwalla Mtns. Comment
  SD124744  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer & D. Charlton 1986-3-3 6139 Riverside North foot of the Chuckwalla Mountains, 2.75 miles southeast of Desert Center. 365 Comment
  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
  CAS-BOT-BC326532  Pluchea sericea E. A. McGregor 1917-3-17 720 Riverside Northwest side of Salton Sea, Agua Dulce Spring Comment
  SEINET5568640  Pluchea sericea H. S. Gentry 1954-1 14248 Riverside Aguanga. Comment
  UCR173156  Pluchea sericea Abby Sirulnik 2000-4-15 08 Riverside Sonoran (Colorado) Desert; Imperial Valley, Near Mecca, along Calif. Hwy 195, c. 1 mi west of intersection with Calif. Hwy 111 58 Comment
  RSA740652  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR201616  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR201667  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12268 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  CLARK-A1528-4836  Poa scabrella John C. Roos 1937-5-1 Riverside Badlands Comment
  POM294734  Poa secunda Lyman Benson 1946-4-15 12014 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  RSA771659  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4907 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
  UC777917  Poa secunda subsp. secunda Frank W. Gould 1943-4-18 2153 Riverside 1 mi w Banning; San Jacinto Mts Comment
  RSA594047  Polycarpon tetraphyllum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0925 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate., 3 m E of the main road along a open field. 448 Comment
  POM265734  Polygala acanthoclada A. M. Alexander, Kellogg 1941-5-18 21195 Riverside Eagle Mountains: 1.5 miles N Cottonwood Springs 976 Comment
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Oct 9 2010
  RSA560847  Polygonum aviculare subsp. aviculare Steve Boyd, Tim S. Ross 1992-5-4 716 B Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR110389  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23083 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  SEINET6050850  Polygonum ramosissimum Unknown 1955-6-10 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR82905  Polypogon australis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15799 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA588605  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 0816 A Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  SDSU13614  Polypogon monspeliensis W. Miller, C. Mosse 1972-7-11 Riverside Comment
  UCR82908  Polypogon monspeliensis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15794 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CAS-BOT-BC102583  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Colorado Desert, along the Colorado River near the Blythe Bridge 91 Comment
  POM2086  Populus fremontii Marjorie Shaw 1916-5-28 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  JEPS64549  Populus fremontii subsp. fremontii S. B. Parish 1912-10-22 8385 Riverside Mecca , Mecca (Salton Basin) -57 Comment
  LA208534  Populus fremontii subsp. fremontii Mary V. Hood; 1945-3-25 45- 17 -k* Riverside Aguanga 587 Comment
  RSA771107  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4727 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  HSC78516  Porophyllum gracile G. K. Helmkamp 1983-3-24 3835 Riverside Chuckwalla Valley, at junction of the Graham Pass & Chuckwalla Springs Rd. 229 Comment
  RSA28031  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  RSA0099589  Portulaca oleracea Duncan S. Bell, Evan Meyer 2014-10-28 s.n. Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA769630  Potamogeton E. W. Lathrop 1969-6-5 7083 Riverside 8 miles west of Murrieta, on the Main Divide Truck Trail between Tenaja Road and Los Alamos Canyon 610 Comment
  RSA788878  Potamogeton diversifolius Gary D. Wallace 2003-7-8 4046 Riverside Hidden Lake. Comment
  UC432  Potamogeton foliosus A. J. McClatchie 1892-6-5 41 Riverside near Elsinore; Salt Lake Comment
  UCR18542  Potentilla glandulosa subsp. reflexa A. C. Sanders 1978-6-11 874 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA200061  Potentilla gracilis var. elmeri L. B. Ziegler 1967-8-1 s.n. Riverside Upper Hurkey Creek south side of San Jacinto Mts. 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
  RSA0014817  Proboscidea parviflora subsp. parviflora Aaron C. Sedgwick, Cody Leslie 2012-9-21 126 Riverside Rice Valley - ~10 mi. south of Hwy. 62 on Rice/Blythe Rd. 281 Comment
  CSUSB1139  Prosopis glandulosa K. A. Lamb 1968-4-21 680421 2 Riverside 1 mile east of Mecca, Highway 195. Roadside, Alkali Sink. Comment
  JEPS46478  Prosopis glandulosa var. torreyana W. L. Jepson Oct. 1912 Riverside Colorado River Comment
  RSA342040  Prosopis glandulosa var. torreyana Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54107 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  SBBG3760  Prosopis glandulosa var. torreyana H. and M. Dearing 1930-4-13 815 Riverside near Palm Springs Comment
  SEINET10489773  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2882 Riverside Pushawalla Canyon, Indio Hills. In W wall of wash. Comment
  SD229258  Prunus emarginata Dick Schwenkmeyer 2012-9-20 836 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  LA208122  Prunus fasciculata J. Warren; 1952-5-25 sn Riverside 5 mi. W of Palm Desert 914 Comment
  RSA304922  Prunus fasciculata James R. Shevock 1971-3-6 742 Riverside White Tank, Joshua Tree National Monument. 884 Comment
  OBI10061  Prunus fremontii H. E. McMinn 1925-7-1 1516 Riverside Palm Spring Canon Comment
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Jun 21 2012
  RSA453241  Prunus fremontii E. Crow 1929-2-24 172 Riverside Andreas Mesa, SW Palm Springs. Colorado Desert. Comment
  RSA472310  Psathyrotes ramosissima A. M. Johnson 1933-4-28 2245 Riverside Indian Wells Highway along new mountain highway to Hemet, 2 to 3 miles up from Palm Springs Comment
  UCD84942  Psathyrotes ramosissima Chuck Hughes 2010-3-25 214 Riverside About 400 ft north of Arlington Mine Road, next to railroad tracks. 220 Comment
  RSA736540  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UC485715  Pseudognaphalium biolettii Robinson and Crocker 1916-3-29 570 Riverside near Murietta; Santa Ana Mts. Comment
  UCD135038  Pseudognaphalium biolettii Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3189 Riverside Vail Lake area, head of Temecula Creek Canyon at the dam. 426 Comment
  UCR250874  Pseudognaphalium biolettii S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1043 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  JOTR36419  Pseudognaphalium luteoalbum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3365 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA770784  Pseudognaphalium luteoalbum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4535 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET2054399 Image available Pseudognaphalium stramineum Becky Brooks 1973-5-26 Riverside Corona, approximately 100 yds. north of Ontario Rd. and 200 yds west of start of Lake Elsinore Frwy. Just into foothills. 225 Comment
  CAS-BOT-BC346358  Psorothamnus Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  UCR42545  Psorothamnus arborescens B. G. Pitzer 1986-4-26 0189 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA403978  Psorothamnus arborescens var. simplicifolius Robert Gustafson 1980-5-5 1573 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  CAS-BOT-BC353624  Psorothamnus emoryi W. R. Dudley 1903-12-25 s.n. Riverside near Palm Springs Comment
  RSA134875  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
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Aug 18 2010
  RSA450120  Psorothamnus emoryi J. C. Roos 1966-5-2 s.n. Riverside Palm Springs. Comment
  RSA651257  Psorothamnus emoryi Anne Greenberg 1981-5-17 104 Riverside Palm Desert, Hwy 74, 5 iles N of Hwy 111. Comment
  UCD108312  Psorothamnus emoryi Geoffrey Levin 1975-4-5 460 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCR111987  Psorothamnus emoryi A. C. Sanders, T. B. Salvato 2000-4-27 23376 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR166008  Psorothamnus emoryi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCSB3042  Psorothamnus emoryi Graney, Don 1953-3-21 Riverside 11 miles east of Indio-Colorado Desert Comment
  SEINET2063916 Image available Psorothamnus polydenius P. Leary 1975-5-27 1213 Riverside 1 mile E of Ruby Lee Well, Joshua Tree National Monument. 853 Comment
  CAS-BOT-BC340869  Psorothamnus schottii Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC340890  Psorothamnus schottii W. R. Dudley 1903-12-25 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC340892  Psorothamnus schottii M. McCollum 1976-6-1 2030 Riverside 8 mi SSW of Yucca Valley Comment
  OBI2854  Psorothamnus schottii Lanny Swerdlow 1967-5-21 30 Riverside Ca. 22 mi NNW of Indio in Thousand Palm Cyn in Colorado Desert 195 Comment
  RSA404252  Psorothamnus schottii M. B. Dunkle 1933-3-4 3041 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCSB3050  Psorothamnus schottii Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats on Highway 74 (Calif.) Comment
  SEINET7453014  Psorothamnus schottii H. M. Hall 5990 Riverside Colorado Desert, near Indio 30 Comment
  SEINET6656793  Psorothamnus spinosus John R. Crutchfield 1965-6-16 212 Riverside 25 mi N of Blythe, along the Colorado River. Off U.S. Hy. 95.; 0 Comment
  UC6926  Pterostegia drymarioides Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR15231  Pulicaria paludosa George K. Helmkamp 1974-1 s.n. Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon, where road crosses stream just below fish hatchery 640 Comment
  UCR273240  Quercus Mitch Provance, Jeremiah George 2012-1-30 17373 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  RSA751629  Quercus X acutidens G. Gust, L. Nye 2005-3-11 541 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UCR35009  Quercus X morehus L. B. Ziegler 1966-1 219 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area near May Valley 1555 Comment
  UCD45048  Quercus agrifolia J. C. Lee 1966-4-8 9 Riverside Tree ca. 40 feet tall; El Cariso Guard Station, 32-353 Ortega Highway, Elsinore, Riverside County, California. Comment
  UCR158899  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31552 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  SD248432  Quercus berberidifolia Jeremiah George 2012-8-7 70812 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Highway 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR158906  Quercus berberidifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31546 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  UCR162959  Quercus berberidifolia John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR23009  Quercus berberidifolia Saul Frommer 1981-3-26 s.n. Riverside Agua Tibia Mtns, Dripping Springs on the north side of the Agua Tibia Mtns. 10.7 mi east of I-15. 488 Comment
  UCR272999  Quercus berberidifolia Mitch Provance 2012-9-13 912- 03 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  SEINET12028629  Quercus chrysolepis L. A. Bellue, Schlising, R. A. 1970-1 2954 Riverside Morris Ranch Road;3.3mi N of Hwy-74 Comment
  RSA648657  Quercus cornelius-mulleri R. E. Riefner Jr. 2000-6-10 20 -484 Riverside San Bernardino National Forest. Hwy. 74 near Pinyon Flats Campground 1220 Comment
  UCR209403  Quercus cornelius-mulleri G. F. Pratt 2009-9-27 s.n. Riverside Peninsular Range, 6 miles south of Anza, Terwilliger Valley, eastern slope of Iron Spring Mountain 1264 Comment
  CDA29916  Quercus engelmannii Mike Lahti 2009-10-2 PDR# 1501841 Riverside Southwest of Temecula. 0 Comment
  SD262289  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617 01 Riverside Temescal Valley: Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  UCR189775  Quercus engelmannii Diane Menuz 2007-8-9 357 Riverside Peninsular Range, Temecula, along north bank of Santa Margarita River c. 0.9 mi southwest of I-15 and Hwy 79S interchange 300 Comment
  RSA39267  Quercus john-tuckeri P. A. Munz 1946-10-21 11592 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  SD229178  Quercus kelloggii Dick Schwenkmeyer 2012-4-18 706 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCD73482  Quercus wislizeni A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mtns.: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  RSA162838  Quercus wislizeni var. frutescens J. D. Olmsted 1959-4-17 403 Riverside Sugarloaf Peak along Main Divide Motorway 100yd. east of Radar station turnoff. Santa ana Mtns. 1128 Comment
  RSA221005  Quercus wislizeni var. frutescens E. W. Lathrop 1966-5-29 6385 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SDSU12948  Rafinesquia californica Jutta Buschbom 1991-6-3 22 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
  JOTR33980  Rafinesquia neomexicana La Doux, Tasha, M. Harding 2010-4-7 2868 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  SD218293  Rafinesquia neomexicana Carol R. Annable 1995-3-9 2253 Riverside Ca. 14.5 km northwest of Palm Springs, north slope of Whitewater Hill. Comment
  SEINET6035485  Rafinesquia neomexicana Ivan Johnston 1917-4-4 Riverside Palm Canyon. Comment
  UCR116619  Rafinesquia neomexicana A. C. Sanders 2001-4-8 23975 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
  RSA191394  Ranunculus aquatilis var. capillaceus E. W. Lathrop 1965-5-18 5758 Riverside 8 miles W of Murrieta; hills around 300 ft high. 610 Comment
  UC1260165  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44679 Riverside e Redondo Mesa; Santa Rosa Plateau, Rancho California 609 Comment
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Aug 19 2010
  RSA716819  Ranunculus californicus A. C. Sanders 2004-4-20 27558 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  SD86687  Ranunculus cymbalaria var. saximontanus Helen V. Witham 1970-4-29 817 Riverside in creekbed, Palms to Pines Highway, near Lake hemet 1200 Comment
  UCR30480  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 427 Comment
  RSA715303  Ranunculus muricatus Jennifer Jones 2006-5-1 s.n. Riverside Foot of Box Springs Mtns. E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  RSA249864  Ranunculus oxynotus Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38149 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA0036812  Raphanus sativus Robert MacGregor 1984-5-19 5 Riverside Lake Elsinore, CA Hwy 74, 1 mi W of junction with 15E Freeway, N side of road. Comment
  SDSU12880  Raphanus sativus J. Jill Steinberg, Leon Steinberg 1998-4-5 38 Riverside Ca. 1/4 mile along northern border of Santa Margarita (SDSU) Field Station north of gorge. Specimen was taken from a large patch of plants most of which were tamped down, perhaps by a deer or other large animal. 317 Comment
  RSA33888  Raphanus sativus N. C. Cooper 1944-4-22 1151 Riverside Banning. 762 Comment
  CLARK-A1528-801  Rhamnus californica C. M. Flanagan 1973-5-20 OO 510 Riverside Morongo Indian Reservation 1158 Comment
  RSA544415  Rhamnus crocea Steve Boyd, Tim S. Ross 1991-6-14 6383 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
  RSA594765  Rhamnus crocea D. L. Banks, Dylan Hannon 1996-5-3 0987 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  SEINET3930658  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79.; 0 Comment
  SEINET10493674  Rhamnus ilicifolia James S. Miller 1992-5-8 Miller 7460 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  JEPS41954  Rhamnus tomentella subsp. cuspidata W. L. Jepson 1903-8-5 2265 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  SD119922  Rhododendron occidentale Louis B. Ziegler 1969-7-3 384 Riverside San Jacinto Mountains, North Fork of the San Jacinto River. 1890 Comment
  UC489155  Rhododendron occidentale C. V. Meyer 1927-6-1 191 Riverside San Jacinto Mountains, Saunders Meadow Saunders Meadow; San Jacinto Mountains, Saunders Meadow 1615 Comment
  CAS-BOT-BC200032  Rhododendron occidentale var. californicum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  HSC101786  Rhus aromatica J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13199 Riverside 1470 Comment
  UCR239902  Rhus integrifolia O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, at top of North Peak 762 Comment
  RSA0097949  Rhus ovata Duncan S. Bell 2014-11-14 7724 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UC219063  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  CAS-BOT-BC173133  Ribes indecorum Clarence R. Quick 1931-2-16 s.n. Riverside Temecula Comment
  CDA25536  Ribes indecorum B. Kobaly 1964-8-12 Riverside Idyllwild, San Jacinto Mountains. 0 Comment
  POM306650  Ribes indecorum Henry J. Ramsey, Mrs. Ramsey 1938-4-23 1505 Riverside Santa Rosa Mtns. Comment
  UCR158448  Ribes indecorum S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR243131  Ribes malvaceum Kate Kramer 2012-5-25 264 Riverside San Jacinto Mtns., along Highway 243, between Poppet Flats Road and Vista Grande Fire Station 1381 Comment
  UCSB7025  Ribes malvaceum var. malvaceum Gill, Robert 1959-3-14 Riverside Santa Ana Mtn Range; Road to Black Star Canyon; Oak flat; from Corona site 365 Comment
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Nov 24 2014
  UC11579  Ribes montigenum H. M. Hall 1901-7 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  SD216485  Ribes nevadense Jay B. Walker 1995-5-3 1410 Riverside San Bernardino National Forest, South of Pinyon Flat Campground, at terminus of USFS Road. 1900 Comment
  UCR5950  Ribes nevadense Sally Crum 1966-5-12 s.n. Riverside San Jacinto Mtns., by stream [Indian Creek] which flows into Lake Fulmor 1433 Comment
  RSA335001  Ricinus communis Steve Boyd 1985-7-30 1045 Riverside De Luz rd., 7.8 miles west of Rancho [California]. Roadside weed along Sandia Creek, infrequent. Comment
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Apr 16 2009
  RSA192335  Rosa californica H. A. Zuill 1966-6-5 200 b Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UCR149984  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  SEINET239057 Image available Rostraria cristata Mitch Provance 1998-3-20 174 B Riverside Riverside area: Jurupa Mtns. pass west of Rattlesnake Mtn. along the E side of Armstrong Rd. ca. 1/8 mi. S of the San 313 Comment
  RSA725951  Rubus discolor Tom Chester 2006-12-19 979 Riverside Santa Rosa Plateau Ecological Reserve: Santa Rosa Ranch. 549 Comment
  CAS-BOT-BC147178  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  RSA741112  Rumex acetosella Scott D. White, Justin M. Wood 2008-6-18 12236 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  SD51953  Rumex acetosella Reid Moran 1962-7-7 9862 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  RSA741213  Rumex salicifolius Scott D. White, Justin M. Wood 2008-5-15 11990 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR182532  Rumex salicifolius var. denticulatus Mitch Provance 2005-5-17 6578 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA234075  Sagina decumbens subsp. occidentalis R. F. Thorne 1969-6-6 39337 Riverside Santa Rosa Plateau: Ranch California; along small stream. 610 Comment
  CAS-BOT-BC500429  Salazaria mexicana A. C. Sanders; Jim Malusa 2015-3-11 41410 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the NE into large canyon contaiing the Gasline Rd, c. 2.5 mi N of the Imperial Co. line, US Navy Chocolate Mts Aerial Gunnery Range 610 Comment
  RSA774509  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4460 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SDSU13819  Salix exigua W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UC1280860  Salix exigua H. E. McMinn 1937-3-6 5010 Riverside 3 mi e Blythe (Colorado River Bridge) Comment
  UCR425  Salix exigua P. A. Rauch 1968-2-22 s.n. Riverside San Bernardino Mtns., Cottonwood Canyon 915 Comment
  CAS-BOT-BC108115  Salix gooddingii Carl Epling; Joseph Ewan 1933-5-12 7606 Riverside South shore Lake Elsinore Comment
  LA208656  Salix gooddingii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  POM2035  Salix gooddingii I. M. Johnston 1918-5-30 2018 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  POM319096  Salix gooddingii Patricia Wilder 1971-11-11 5295 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  POM361017  Salix gooddingii G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  RSA479853  Salix gooddingii L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado River Valley at Blythe. 91 Comment
  RSA543141  Salix gooddingii Steve D. Boyd 1991-3-17 5501 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
  UC482402  Salix gooddingii Ben L. Clary 1932-4-21 810 Riverside Colorado Desert, Coachella Valley -21 Comment
  UCR231770  Salix gooddingii John F. Green 2008-4-21 02- 06 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  JOTR35495  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3183 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  RSA381082  Salix laevigata Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61179 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon.Santa Rosa Island. W side of Tecolote Canyon, just S of Smith Highway. 535 Comment
  UCD111137  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. Comment
  POM50388  Salix lasiolepis W. W. Eggleston 1924-3-10 19540 Riverside San Jacinto Station, Cleveland Forest 600 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
  UCSB1712  Salsola tragus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  UC1080500  Saltugilia splendens subsp. splendens Verne Grant and Howard Latimer 1957-5-6 9984 Riverside in wash below Morongo Valley (San Bernardino-Riverside County); below Morongo Valley Comment
  UCR207924  Salvia O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  POM158455  Salvia apiana P. A. Munz 1927-5-21 10874 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  UCR117096  Salvia apiana A. C. Sanders, T. B. Salvato 2001-5-16 24289 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
  UCR262266  Salvia apiana T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3739 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
  RSA0048542  Salvia apiana var. compacta L. Haines 1950-4-30 s.n. Riverside Palms to Pines Hgw., E. slope of Santa Rosa Mts. Comment
  POM7001  Salvia carduacea P. A. Munz, L. T. Street, G. Williams 1919-3-28 2459 Riverside Palm Springs. 701 Comment
  HSC100856  Salvia columbariae J. P. Smith, J. O. Sawyer, & R. J. Cole 2010-4-18 12773 Riverside 457 Comment
  UCR174625  Salvia columbariae Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 107 Riverside Peninsular Ranges, San Jacinto Mtns., Just south of Mt. Edna Rd. on Calif. Hwy 243 1143 Comment
  UCR177024  Salvia columbariae Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  RSA721459  Salvia greatae Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-14 4336 Riverside Chocolate Mountains: north of the mountains, just north of the Bradshaw Trail, south of Orocopia mountains. 168 Comment
  UCR18806  Salvia greatae John C. Roos 1963-11-2 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek wash c. 3 mi NE of Dos Palmas Spring Comment
  RSA434136  Salvia mellifera D. A. Young 1969-4-12 P 316 Riverside 10 mi SE of Hemet on State St. 335 Comment
  SEINET11587887  Salvia mellifera T. Salvato, Marcs, Rari 2016-4-26 8358 Riverside Santa Ana Mountains Comment
  POM50362  Salvia pachyphylla subsp. pachyphylla H. M. Hall 1901-06 2160 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  SEINET156295  Sambucus caerulea Norman C. Cooper 1944-5-19 1289 Riverside Banning. 701 Comment
  RSA0037336  Sambucus mexicana Bob Rogers 1984-4-21 11 Riverside Collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  RSA621506  Samolus parviflorus D. L. Banks 1997-11-15 2195 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR138829  Sanicula bipinnatifida D. L. Banks 1997-3-29 1643 Riverside Agua Tibia Mtns., NW Palomar 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 Co. line 482 Comment
  UCR21933  Sanicula bipinnatifida Steve Boyd 1980-5-2 166 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR25136  Sanicula tuberosa T. Gull 1973-5-19 s.n. Riverside San Jacinto Mtns., Hwy 74, [below Mountain Center] 5 mi. south of Idyllwild 1500 Comment
  SEINET206448  Sarcostemma hirtellum Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 6253 Riverside Herbage exuding alliaceous odor. Twining about in a clump of Hilaria rigida in a small wash from the west slope ofthe Big Maria Mts. near the roas to Midland, about 13 miles north of Blythe, elev. 860 ft. 262 Comment
  UCR252764  Satureja chandleri Karyn L. Drennen 2013-5-17 023 Riverside Santa Ana Mountains, 120 meters west of De Luz Road, 130 meters south of Vernal Pool Trail, along southeast slope of tributary that runs parallel to De Luz Road 350 Comment
  JOTR30117  Schismus arabicus La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1683 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  RSA0042170  Schismus arabicus Duncan S. Bell, Evan Meyer 2014-4-2 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA778242  Schismus arabicus Duncan S. Bell 2009-3-8 47 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA784781  Schismus arabicus Duncan S. Bell 2012-3-18 3185 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
  SBBG18233  Schismus barbatus M. A. Piehl 1963-6-1 63526 Riverside E edge of Banning Comment
  UCD93253  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  UCR265585  Schismus barbatus Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 7 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UC574919  Schoenoplectus acutus var. occidentalis C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  RSA549283  Schoenoplectus hallii Steve Boyd 1991-6-14 6338 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  UCR241635  Scrophularia californica T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 351 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  LA30222  Scutellaria mexicana Harlan Lewis; 1957-4-3 sn Riverside Morongo Canyon Comment
  RSA559460  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7207 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA618159  Secale cereale D. L. Banks 1997-5-5 2026 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of the casino, approximately 100 m south of the intersection of Pala Road and Wolf Valley Road 335 Comment
  POM9814  Selaginella asprella Edmund C. Jaeger 1921-6-25 276 Riverside San Jacinto Mountains, below Tacquitz [Tahquitz] Ridge 2590 Comment
  POM50385  Selaginella bigelovii W. W. Eggleston 1924-3-10 19534 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA757779  Selaginella bigelovii LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4329 Riverside Whitewater Canyon., Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. This collection near 871 Comment
  JOTR34028  Selaginella eremophila La Doux, Tasha, M. Harding 2010-4-7 2915 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
  SD8780  Senecio californicus var. californicus unknown 1882-4-23 Riverside Temecula Comment
  RSA588838  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-10-17 0781 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
  UCR162760  Senecio flaccidus var. douglasii John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  RSA0124178  Senecio flaccidus var. douglasii N. C. Cooper 1943-9-10 921 Riverside Banning. 610 Comment
  UC496515  Senecio flaccidus var. monoensis Philip A. Munz 1932-10-16 12840 Riverside Palm Creek Santa Rosa Mts. 1463 Comment
  JOTR01287  Senecio flaccidus var. monoensis Cole, James E. 1941-5-21 754 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  JOTR36444  Senecio mohavensis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3414 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR52152  Senecio mohavensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR75060  Senecio mohavensis A. C. Sanders, E. J. Lawlor 1992-4-4 12125 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA612775  Senecio vulgaris D. L. Banks, Victor W. Steinmann 1997-3-13 1427 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA614303  Senecio vulgaris D. L. Banks, Victor W. Steinmann 1997-3-13 1505 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR264229  Senegalia greggii A. C. Sanders, Jim Malusa 2015-9-10 41856 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CAS-BOT-BC438211  Sesuvium verrucosum E. A. McGregor 1917-3-17 722 Riverside Colorado Desert. Agua Dulce Springs, N.W. corner of Salton Sea Comment
  UC665776  Sesuvium verrucosum Ira L. Wiggins 1941-3-24 9582 Riverside 3.5 mi s of Mortmar (along eastern margin of Salton Sea); Salton Sea Comment
  UCR116849  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA87523  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19559 Riverside Pines-to-Palms Highway about 4 miles S of Hemet Reservoir. Comment
  SEINET6947339  Sidalcea sparsifolia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  UC205994  Sidotheca emarginata E. C. Jaeger 1920-1 Riverside Pine<?> Flats; Southern California Comment
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May 12 2007
  CAS-BOT-BC434395  Sidotheca trilobata A. C. Sanders; Tim Thomas; T. B. Salvato 2008-6-25 35622 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.0 mi. WSW of Fleming Ranch. 1585 Comment
  UCR98691  Silene gallica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA701557  Silene gallica Steve Boyd, Aydee Virgen 2004-4-13 10848 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA131711  Silene laciniata subsp. major E. K. Balls 1958-6-27 23295 Riverside 3.1 miles NW along Indian Truck Trail from jnt. with Main Divide, Santa Ana Mountains. 91 Comment
  RSA438853  Silene parishii var. viscida Kessler 18163 Riverside San Jacinto Mts. See notes field. Comment
  RSA0086986  Silene platyota Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1701 Riverside Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  JOTR32357  Silene verecunda subsp. platyota La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2472 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  CAS-BOT-BC202946  Simmondsia chinensis P. C. Everett 1939-7-7 9524 Riverside North of Temecula-Aguanga Rd. on road to Hemet 762 Comment
  UC869416  Simmondsia chinensis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UCR200257  Simmondsia chinensis J. M. Porter, Orlando Mistretta 2003-6-5 13612 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  POM14033  Sinapis arvensis P. A. Munz, D. Keck 1922-4-14 s.n. Riverside Near Moreno. 366 Comment
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Mar 20 2011
  RSA65838  Sisymbrium altissimum F. W. Peirson 1922-4-22 5331 Riverside Field S of Lake Elsinore. Comment
  UCR47266  Sisymbrium erysimoides A. C. Sanders 1987-4-7 7045 Riverside City of Riverside, Vacant lot on north side of Spruce Street, between Rustin Ave. and Canyon Crest [now Watkins] Dr. 305 Comment
  UCR51367  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside San Bernardino Valley Region, City of Riverside, W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak 457 Comment
  CLARK-A1528-924  Sisymbrium irio Patricia A. Andrews 1975-3-13 5903 Riverside Rubidoux Comment