Search Results — 2000 specimen records retrieved (1893 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
  CLARK-A1528-3256  Abronia villosa John C. Roos 1946-9-14 3017 Riverside San Jacinto Mountains 1371 Comment
  CLARK-A1656-608  Abronia villosa Lois Ann Scott 1978-1-13 Riverside Palm Springs 148 Comment
  CSUSB1329  Abronia villosa Art Whistler 1966-5-7 Riverside Route 74, Palms-to-Pines Highway, near Lake Fulmor in Pine Forest. Comment
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May 29 2018
  UC101376  Abronia villosa D. Cleveland 1887-5-13 740 Riverside Tenecula Comment
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Mar 27 2011
  POM727  Abronia villosa var. aurita P. A. Munz 1918-4-27 2131 Riverside Temescal Canyon. Comment
  UCD109809  Abronia villosa var. aurita R. N. Raynor 1933-3-31 s.n. Riverside Colorado desert, 13 miles east of Palm Springs. Comment
  UCR266410  Abronia villosa var. aurita D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3878 Riverside San Jacinto Valley, San Jacinto River just west of Bridge St. 438 Comment
  RSA461197  Abronia villosa var. villosa Anstruther Davidson 1930-4-10 s.n. Riverside Palm Springs. Comment
  UC912629  Abronia villosa var. villosa Curtis Ferris 1932-3-20 62 Riverside 8 mi e Oasis (on Jones Ranch) Comment
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Jun 24 2008
  UCR216206  Abronia villosa var. villosa Jim Andre, T. La Doux 2009-2-25 10833 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA0027454  Acacia greggii Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 31 Riverside At Corn Springs Campground. Comment
  UCR25147  Acacia greggii John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon, north of Chiriaco Summit Comment
  UCR94063  Acacia greggii Scott D. White, D. Haselfeld 1996-7-2 4272 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  RSA414903  Acacia greggii var. arizonica Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Andreas Canon. Comment
  RSA623995  Acacia greggii var. arizonica E. C. Jaeger 1921-10-9 286 Riverside Little Palm Canyon. 366 Comment
  UCSB38736  Acamptopappus sphaerocephalus Cowan, Clark 1978-4-23 Riverside 12.2 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  UC1523567  Acamptopappus sphaerocephalus var. sphaerocephalus Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin & J. Hogge 1980-4-16 54033 Riverside 1/4 mi w (and .5 mi w of Whitewater R at mouth of Whitewater Whitewater P.O.; San Bernardino Mts., Colorado Desert 414 Comment
  RSA557901  Achillea millefolium Steve Boyd, Orlando Mistretta 1992-4-22 7014 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
  UC40029  Achnatherum coronatum H. M. Hall June, 1901 2078 Riverside vicinity of Chalk Hill 1463 Comment
  CAS-BOT-BC389742  Achnatherum hymenoides M. Danielson 1963-12-23 s.n. Riverside Garnet Dunes Comment
  RSA707841  Achnatherum hymenoides L. M. Prince, N. Refulio 2002-3-16 2 -272 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  JEPS485  Achnatherum speciosum W. L. Jepson 1928-4-25 12574 Riverside Cottonwood Spring Colorado Desert 731 Comment
  RSA574727  Achyrachaena mollis Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  CAS-BOT-BC384729  Achyronychia cooperi H. M. Hall 1905-4-1 5773 Riverside Colorado Desert. Indian Well 0 Comment
  JOTR31233  Achyronychia cooperi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2017 Riverside Joshua Tree National Park. Pinto Basin; (Stop 6) sandy wash leading to Pinto Wash 354 Comment
  SEINET3156338  Achyronychia cooperi L. A. Greata 1905-1 497 Riverside Colorado desert Comment
  CAS-BOT-BC204877  Acmispon argyraeus var. argyraeus Philip A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak 2407 Comment
  JOTR35451  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  SBBG93138  Acmispon heermannii var. heermannii G. Ballmer 1990-5-5 Riverside SE boundary of San Jacinto Potrero land grant, just N of the Colorado River aqueduct, where the rd crosses crk at the mouth of an unnamed cyn to the E Comment
  JOTR00879  Acmispon maritimus var. brevivexillus Sipe, Frank 1958-3-7 263 Riverside Joshua Tree National Park. CHOLLA GARDEN Comment
  SD260049  Acmispon strigosus J. Andre 2012-4-11 20775 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi, east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. 729 Comment
  UCD104447  Acmispon strigosus T. B. Salvato; Kent Beaman 2005-5-16 785 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
  SEINET7856488  Acmispon strigosus var. strigosus M. F. Barrus 1919-11-3 3 Riverside Riverside, Citrus Experiment Station farm. Comment
  UCR178317  Acourtia microcephala T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 622 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  HSC47596  Adenophyllum porophylloides Richard Spjut, C. E. Edson 1978-5-6 5031 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  HSC5472  Adenophyllum porophylloides C. L. Hitchcock, C. V. Muhlick 1964-3-22 23270 Riverside Pinto Basin; Joshua Tree National Monument Comment
  RSA770701  Adenostoma fasciculatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4805 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM49866  Adenostoma fasciculatum var. fasciculatum Philip A. Munz, Johnson 1924-7-29 8860 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  UCSB26901  Adenostoma fasciculatum var. fasciculatum Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  SEINET10810356  Agrostis exarata Unknown Anonymous s.n. Riverside Cabazan. Comment
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Sep 2 2017
  UC1137144  Agrostis exarata August L. Hormay 1932-8-8 Riverside Tahquity Valley Comment
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Dec 21 2009
  UCR2113  Agrostis exarata F. M. Reed 1928-7-15 6079 Riverside San Jacinto Mtns., near Strawberry Creek 1616 Comment
  UCR272822  Agrostis idahoensis Mitch Provance 2015-7-23 715- 05 Riverside San Jacinto Mountains, Fern Valley, Strawberry Creek, vicinity of Rim Rock Drive. 1866 Comment
  RSA591754  Agrostis pallens E. W. Lathrop 1966-5-29 6378 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  UC1137067  Agrostis scabra August L. Hormay 1932-8-8 Riverside Tahquitz Valley Comment
  UCR84624  Agrostis viridis Scott D. White, S. Ogg 1994-4-21 1996 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA71926  Aliciella latifolia F. W. Peirson 1927-4-12 7168 Riverside Painted canyon, near Mecca. Comment
  SEINET10479053  Allenrolfea occidentalis Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4919 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  RSA36553  Allium denticulatum Sara M. Schenck 1941-4-25 s.n. Riverside Quail Mountain. 1006 Comment
  SEINET10532711  Allium fimbriatum Cooper 1944-5-20 Cooper 1237 Riverside Pinyon flats, palms to pines hwy. San jacinto mountains. Under shrubs. Flowers Reddish purple. Stems short 1219 Comment
  SEINET12045043  Allium fimbriatum var. fimbriatum N. C. Cooper 1944-1 1237 Riverside Pinyon Flats, Palms to Pines Hwy, San Jacinto Mts 1219 Comment
  CAS-BOT-BC131982  Allium haematochiton H. M. Hall 1901-6-1 2096 Riverside In the vicinity of Strawberry Valley 1371 Comment
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA348946  Allium munzii Steve Boyd 1986-5-1 1798 Riverside Murieta Hot Springs: Skunk Hollow area, E of hot springs, on N base of hill just to the W of Skunk Hollow. 439 Comment
  RSA582820  Allium munzii Mark A. Elvin 1995-6-9 48 Riverside Santa Ana Mountains: Elsinore Peak, Onion Hill; 10% W, N, E slope (around the base of hill) Comment
  UCR63945  Allium munzii D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1784 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA367128  Allium praecox B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1484 Riverside North of Gavilan Peak. 550 Comment
  RSA680941  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River: Riverside, UCR campus, between East Campus Drive and Parking Lot 10 335 Comment
  UC52844  Allophyllum gilioides subsp. violaceum H. M. Hall 1901-7-17 2450 Riverside Tauquitz Valley San Jacinto Mts., Tauquitz Valley 2133 Comment
  SD80158  Alnus rhombifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-2-13 339 Riverside East slope San Jacinto Mountains, Andreas Canyon, north bank 100 yards upstream from crossing below Clubhouse 305 Comment
  SEINET3917839  Alopecurus howellii Robert F. Thorne 1973-5-23 43848 Riverside Santa ROSA PLATEAU: N side of Mesa de Colorado.; 0 610 Comment
  UCR278834  Alternanthera caracasana Mitch Provance 2012-7-17 712- 11 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  UCR110393  Amaranthus albus A. C. Sanders, Mitch Provance 1999-9-26 23079 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR119444  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR159260  Amaranthus californicus A. C. Sanders, Kelly Volansky 2005-8-31 31589 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
  RSA451024  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1014 Riverside U.C.R. garden plots. Comment
  RSA0093772  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CAS-BOT-BC61398  Amauriopsis dissecta Philip A. Munz 1938-8-14 15364 Riverside East of Toro Peak, Santa Rosa Mts. 2438 Comment
  UC406767  Ambrosia dumosa Marcus E. Jones, A. M. 1929-9-16 25074 Riverside e of Desert Center Comment
  UCSB6546  Ambrosia dumosa Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99; western edge of the Colorado Desert Comment
  UCR115929  Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  LA99443  Ambrosia salsola Hisao P. Arai; 1957-4-17 sn Riverside off Highway 60; 1 mi. S of Cabazon Comment
  JEPS39439  Ambrosia salsola var. salsola L. M. Newlon 1926-4-2 421 Riverside highway between Westmorland and Indio Comment
  SBBG35146  Ambrosia salsola var. salsola T. L. Secrest 1948-4-7 Riverside near Whitewater Comment
  UCR113991  Ammannia robusta Mitch Provance, A. C. Sanders 2000-7-4 2103 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR26242  Ammannia robusta John C. Roos 1937-6-7 2401 Riverside San Jacinto River Valley, Foot of Jackrabbit Trail. [N of San Jacinto] Comment
  RSA0000639  Ammoselinum occidentale P. A. Munz, D. Keck 1922-4-13 4930 Riverside Hayfields, Chuckwalla Valley 152 Comment
  UC454658  Amorpha fruticosa I. J. Condit 1910-6-24 Riverside San Jacinto River Valley Comment
  UCSB23169  Amorpha fruticosa McMinn, Howard 1935-6-27 Riverside Palms to Pine Highway Comment
  CAS-BOT-BC213973  Amsinckia L. R. Abrams 1926-3-26 11057 Riverside Palm Springs to Palm Canyon Comment
  RSA499895  Amsinckia intermedia Ora M. Clark 1929-2-23 1525 Riverside Near Banning. Comment
  SBBG87472  Amsinckia intermedia A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6085 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  SDSU18982  Amsinckia intermedia C. Matt Guilliams, Jeannine Ross 2008-3-5 496 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. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR234221  Amsinckia intermedia A. C. Sanders, John F. Green 2012-3-20 39973 Riverside Peninsular Range; Gavilan Hills Area, hills east of Lake Elsinore, along Hwy 74 near Meadowbrook Ave. 512 Comment
  UCR279383  Amsinckia intermedia A. C. Sanders, Jim Malusa 2017-3-24 42964 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SBBG120832  Amsinckia menziesii var. menziesii A. C. Sanders 2006-5-11 32260 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel S of intersection on Collier Ave and Riverside Dr, NE of Alberhill Crk, NW of Enterprise Way 389 Comment
  UCR158339  Amsinckia retrorsa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30055 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
  POM368400  Amsinckia tessellata Robert M. Perkins, H. de Forest 1937-3-15 391 Riverside Near Desert Center. Comment
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Dec 17 2011
  POM48542  Amsinckia tessellata F. M. Reed 1925-3-17 4947 Riverside Palm Springs. Comment
  RSA0091462  Amsinckia tessellata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall 2010-4-12 4736 Riverside 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 W116.65128 600 Comment
  UCR256769  Amsinckia tessellata T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7878 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  JOTR32139  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2295 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  JEPS49773  Amsonia tomentosa H. M. Hall May, 1905 6007 Riverside Cottonwood Pass e. Riverside Co., Cottonwood Mts., Cottonwood Pass Comment
  LA202847  Amsonia tomentosa Martha Hilend; 1932-3-25 sn Riverside Chuckawalla Mts. about 3 mi. above Corn Spring Comment
  UC218270  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4844 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  RSA757457  Anagallis minima Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55198 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  RSA524422  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4117 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR89389  Andropogon glomeratus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15873 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  CAS-BOT-BC400338  Anemopsis californica A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23183 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  SEINET3074906 Image available Anemopsis californica Margaret Ferro 1970-5-16 18 Riverside Santa Ana River bottom by Jurupa Golf Course. 370 Comment
  RSA278295  Angelica tomentosa John F. Emmel 1976-6-23 550 Riverside Bay Tree Flat Campground, NW of Lake Fulmor, San Jacinto Mountains. 1601 Comment
  RSA583747  Antirrhinum coulterianum Steve D. Boyd 1995-4-24 8484 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
  UCSB37910  Antirrhinum coulterianum Hood, Mary 1944-4-4 Riverside Cottonwood Creek; near Aguanga 609 Comment
  CLARK-A1528-5198  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  UCR22075  Antirrhinum nuttallianum Steve Boyd 1980-5-8 216 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  POM354918  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA501074  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3192 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  SEINET3081292 Image available Apiastrum angustifolium Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. 701 Comment
  UC22885  Apocynum androsaemifolium H. M. Hall August, 1901 2595 Riverside vicinity of Tamarack Valley Tamarack Valley; San Jacinto Mts. 2560 Comment
  RSA49177  Arabis glaucovalvula P. A. Munz 1949-4-13 13057 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA740235  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 -C Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA358583  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 515 Riverside Santa Rosa Mts; San Bernardino National Forest; northwest of Santa Rosa Pk. 2317 Comment
  RSA629152  Arctostaphylos Jon E. Keeley 1992-7-17 16785 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629177  Arctostaphylos Jon E. Keeley 1992-7-16 16676 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA629385  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19507 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629411  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19504 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SEINET11998393  Arctostaphylos glandulosa W. Knight, Knight, I. 1985-1 6063 Riverside between Idyllwild & Banning on Hwy 243 between Vista Grande Forest Station & Hurley Flats Rd 1463 Comment
  UC1137196  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-4-13 Riverside ne face Santiago Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  RSA629346  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-11-11 22547 Riverside Hwy 74, 25 km east of Hwy 79 Junction in Hemit. 1220 Comment
  RSA629394  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19518 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629446  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16573 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA192299  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-2 6047 Riverside 12 miles NW of Murrieta, Skyline drive road at junction of Wildomar & Los Alamos truck trails. 426 Comment
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Jan 1 2007
  RSA263747  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1968-5-22 6908 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UC876570  Arctostaphylos glandulosa subsp. zacaensis I. W. Clokey and E. G. Anderson 1935-4-16 7888 Riverside Hemet 900 Comment
  RSA0097947  Arctostaphylos glauca Duncan S. Bell 2014-11-14 7726 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA122392  Arctostaphylos glauca A. Lewis 1933-2-2 148 Riverside Reed Valley 1220 Comment
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Oct 30 2011
  RSA631739  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19282 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631762  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15068 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  SBBG60020  Arctostaphylos glauca R. C. and J. R. Robbins 1933-2-15 Riverside Pinyon Flat, Palms to Pines (St Hwy 74) Comment
  RSA633550  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21788 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633593  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16690 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633641  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20105 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633684  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21765 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633695  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21762 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633737  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20108 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  CAS-BOT-BC44358  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1958-5-17 12957 Riverside Along road to Banning 6.1 miles north-west of Lake Fulmor, San Jacinto Mountains. Comment
  POM48359  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-28 8796 Riverside Pine Flats 1738 Comment
  SBBG118569  Arctostaphylos pringlei subsp. drupacea L. Gross, F. Navidara, V. Soza 2003-6-23 1120 Riverside Black Mtn Rd (4501), SE of Black Mtn and NW of Fuller Mill Crk; T4S R2E S14 2012 Comment
  UCR3712  Arctostaphylos pringlei subsp. drupacea Frank C. Vasek 1964-7-26 640726- 03 Riverside Peninsular Range; San Jacinto Mtns., at Pine Cove Comment
  CAS-BOT-BC46340  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA635792  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16593 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  RSA70413  Arctostaphylos pungens F. W. Peirson 1922-5-20 4465 Riverside Hemet Valley, San Jacinto Mts. 1494 Comment
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Mar 16 2007
  UCD53745  Arctostaphylos pungens Richard Bates 1949-5-21 s.n. Riverside Along rail to Tahquitz Peak; San Jacinto Mtns. Comment
  RSA636163  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19469 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  UC126633  Aristida adscensionis H. M. Hall 1905-4-16 5797 Riverside 10 mi w CDoachella; Colorado Desert, Marshall Canyon 30 Comment
  UCR180225  Aristida adscensionis Scott D. White, Pam Devries 2006-3-14 11251 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA795117  Artemisia californica A. C. Sanders 2010-11-18 38692 Riverside 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. 399 Comment
  POM247454  Artemisia dracunculus Philip A. Munz 1941-10 17239 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  UCR106908  Artemisia dracunculus D. L. Banks, L. Raz 1996-11-5 1170 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, ESE of San Gabriel Church; along floodplain of the southern fork of Pechanga Creek. 415 Comment
  SEINET10723657  Artemisia ludoviciana David B. Dunn 1947-10-9 Dunn 3523 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  RSA0104495  Artemisia ludoviciana subsp. albula Duncan S. Bell 2015-9-30 8660 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  SD237299  Artemisia ludoviciana subsp. albula Jim Andre, T. La Doux 2007-9-6 8704 Riverside Little San Bernardino Mountains: Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress. 1237 Comment
  UC1929757  Artemisia ludoviciana subsp. incompta Scott D. White 2003-10-9 9824 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. San Jacinto Peak 7.5' Quad. Comment
  SD229068  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 677 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCR91655  Artemisia tridentata D. L. Banks, Steve Boyd 1995-10-26 0836 Riverside NW Palomar Mtns, Agua Tibia Mtns, along the Woodchuck Road, north of Woodchuck Campground; approximately 015 mi from Hwy 79 518 Comment
  LA202957  Artemisia tridentata subsp. tridentata Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside near Lake Hemet, Palms to Pines Highway Comment
  JOTR35054  Asclepias albicans La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3506 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  OBI42557  Asclepias californica A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6488 Riverside San Jacinto mts, head of Bee Cyn along Bee Cyn Rd, 1.7 mi above the mouth of the cyn at the San Jacinto river valley 792 Comment
  RSA263780  Asclepias eriocarpa Herman 1954-6-24 s.n. Riverside Corona Foothills; dry hills. Comment
  UCR14773  Asclepias eriocarpa A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 604 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  UCR133005  Asclepias fascicularis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CSUSB407  Asparagus officinalis Randy Salstrom 1966-3-28 Riverside 50 yards west of north end of Canyon Crest Blvd., beside Gage Canal in Riverside (city). 274 Comment
  RSA667137  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. 381 Comment
  CLARK-A1528-1613  Aster menziesii John C. Roos 1951-10-19 Riverside San Timoteo Canyon dry, semi-alkaline road side; with Artemisia douglasiana and Distichlis stricta; ; El Casco 7.5'Q 609 Comment
  POM57861  Aster subulatus var. ligulatus Geo. R. Hall 1905-09 280 Riverside Riverside Comment
  UCSB10440  Astragalus Robert M. Lloyd 1960-3-23 355 Riverside collected 1.0 mi from, along State Highway 111 SE of Palm Springs U S Highway 99 - , State Highway 111 and Palm Springs 396 Comment
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Nov 19 2014
  CAS-BOT-BC177717  Astragalus crotalariae Peter H. Raven 1958-1-25 11484 Riverside Salton Sea State Park, 10.5 miles south of Mecca, on east side of Salton Sea Comment
  POM122701  Astragalus crotalariae Alice Eastwood 1919-3-15 7991 Riverside Indio Comment
  SBBG87357  Astragalus douglasii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74 1524 Comment
  CAS-BOT-BC178439  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  POM229793  Astragalus douglasii var. parishii P. A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak. 2348 Comment
  UCR104622  Astragalus douglasii var. parishii D. E. Bramlet 1990-6-20 2040 Riverside Arroyo Seco. Approximately 915 m south of Hwy 79 and 152 m south of the Dripping Springs Campground, 30 m east of the main wash. 494 Comment
  RSA90738  Astragalus douglasii var. parishii F. W. Peirson 1922-4-29 2955 Riverside In the wash along Temecula River, Aguanga, Riverside. 579 Comment
  HSC85262  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  RSA560364  Astragalus gambelianus Steve Boyd 1992-4-14 6817 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA585886  Astragalus gambelianus D. L. Banks, S. D. Boyd 1995-5-9 0320 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
  CAS-BOT-BC186906  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center Comment
  CLARK-A1528-2746  Astragalus insularis var. harwoodii John C. Roos 1949-4-11 4241 Riverside Chuckwalla Mountains Comment
  CAS-BOT-BC187112  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-5-1 77 a-6747 Riverside Colorado Desert at Palm Springs Comment
  RSA796505  Astragalus lentiginosus var. variabilis Jim Andre 2012-3-19 21355 Riverside Chuckwalla Valley. Along Hwy 177, 8.6 mi NE of Jct with I-10. 152 Comment
  RSA122248  Astragalus nutans Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  RSA776289  Astragalus nuttallianus var. cedrosensis Duncan S. Bell, Amanda Turek 2010-4-10 835 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  RSA653121  Astragalus nuttallianus var. imperfectus B. Pitzer, Tracy Tennant 1998-2-21 3533 Riverside Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi. SE of the pumping station. 396 Comment
  RSA653167  Astragalus nuttallianus var. imperfectus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 520 Comment
  UCR95257  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 0972 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 150 m SE of the Helopad at the upper camp sites. 524 Comment
  RSA90750  Astragalus pachypus var. jaegeri F. W. Peirson 1920-6-23 2205 Riverside Aguanga 609 Comment
  CAS-BOT-BC192761  Astragalus palmeri Lewis S. Rose 1935-12-23 35700 Riverside San Jacinto Mts. 22 mi. S. of Cathedral City 914 Comment
  POM122364  Astragalus pomonensis Marcus E. Jones 1926-5-29 s.n Riverside South of Temecula. Comment
  POM26493  Astragalus pomonensis Marcus E. Jones 1903-5-11 s.n Riverside Banning. 701 Comment
  RSA180278  Astragalus pomonensis E. W. Lathrop 1965-3-30 5599 Riverside 14 miles W of Murrieta. Comment
  UC917881  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside near junction 3 mi w Beaumont; w of Beaumont Comment
  UCR111598  Astragalus pomonensis Mitch Provance 1998-4-8 1773 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  JEPS54848  Astragalus tricarinatus Marjorie Clary July 1929 19 Riverside Whitewater Canyon Comment
  RSA779951  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil 2011-5-24 2567 Riverside Mission Creek canyon approximately 1 mile north of Mission Creek Ranger Station. 809 Comment
  RSA692505  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UC218672  Athyrium filix-femina var. cyclosorum P. A. Munz 1922-7-6 6030 Riverside n fork of Tahquitz Creek; San Jacinto Mts 2225 Comment
  UCR107413  Athysanus pusillus B. G. Pitzer 1997-3-23 2965 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  CAS-BOT-BC98823  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside Dry rocky hillside, 5 miles n. of Milpitas Wash and 12 mi. n.w. of Blythe-Glamis Road Comment
  SFV7922  Atrichoseris platyphylla T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1285 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCR139977  Atriplex argentea A. C. Sanders 2004-8-10 28771 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR92310  Atriplex argentea Scott D. White, S. Ogg 1994-10-17 2456 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCD97233  Atriplex argentea var. expansa D. E. Bramlet 1989-7-5 1933 Riverside Diamond Valley, just W (NW) of Gateway Farms, 50 - 1000 feet South of Newport Road and 13.500 feet (2.5 miles) W of State Street. 473 Comment
  POM13772  Atriplex canescens E. C. Jaeger 1921-7-15 1189 Riverside Soboba Hot Springs Comment
  RSA33307  Atriplex canescens N. C. Cooper 1943-10-3 937 Riverside Cabazon, 549 Comment
  RSA451005  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1038 Riverside Living Desert Reserve, Palm Desert Comment
  UC850851  Atriplex canescens Carl B. Wolf 1932-10-13 4322 Riverside ne side Salton Sea (at Durmid, ne side S. P. R. R. tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  SD80076  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 332 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  CAS-BOT-BC170235  Atriplex canescens var. macilenta Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center 243 Comment
  RSA520926  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2037 Riverside Stetson Ave. and the MWD canal just west of warren Ave. approximatly 6.5 km SW of Hemet. The population is found n a cow pasture some 400m to 100m north of Stetson Ave. 457 Comment
  RSA736302  Atriplex coronata var. notatior Scott D. White, Justin Wood 2008-5-13 11949 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCR91059  Atriplex coronata var. notatior G. R. Ballmer 1996-4-14 s.n. Riverside Perris-Aguanga Basin, Lake Elsinore area, south of Hwy I-15 along east side of Nichols Road 384 Comment
  POM48332  Atriplex hymenelytra E. C. Jaeger 1925-2-8 s.n. Riverside Painted Canyon near Mecca. Comment
  RSA478278  Atriplex lentiformis Jack Rempel 1932-11-11 16115 Riverside Dos Palmos Springs, Colorado Desert Comment
  SEINET4135189  Atriplex lentiformis Sears 1978-4-12 1180 b Riverside Located 8 miles northeast of Desert Center. Beside roadside.; 0 158 Comment
  SEINET4136500  Atriplex lentiformis Steven K. Langer 1994-4-6 s.n. Riverside West side of State Hwy. 11, south side of Coachella.; 0 30 Comment
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Jul 19 2015
  JEPS59643  Atriplex polycarpa S. B. Parish 1912-10-10 8262 Riverside Mecca Salton Basin, Mecca -57 Comment
  RSA422257  Atriplex polycarpa Ora M. Clark 1929-3-17 1743 Riverside N. La Quinta, Colorado Desert. Comment
  UC1279710  Atriplex polycarpa David B. Dunn, Shago Yamaguchi, H. Lint 1947-12-21 3572 Riverside Comment
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May 24 2012
  POM319681  Atriplex rosea Patricia Wilder 1970-10-15 4750 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
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Sep 26 2009
  POM10086  Atriplex semibaccata Anonymous 1907-09 871 Riverside Corona. Comment
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Apr 11 2009
  SEINET4136178  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Penninsular Range; Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of Hwy I-15; 0 412 Comment
  UCR59799  Atriplex serenana Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam Comment
  SD211580  Atriplex suberecta Scott D. White 2008-8-20 12537 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameria and Oleander Streets. (Perris, Sunnymead) 445 Comment
  RSA777347  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4705 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 W116.65126 604 Comment
  RSA496469  Avena fatua Steve Boyd 1989-3-19 3047 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  RSA664941  Baccharis brachyphylla J. C. Roos 1963-10-19 s.n. Riverside San Bernardino Mtns. Whitewater Wash near Painted Hill. 581 Comment
  SD255081  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot and Amy Rouillard 2015-10-19 8717 Riverside Transverse Ranges: San Bernardino Mountains region: Whitewater Canyon, along the Pacific Creset Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  UC774846  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11436 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  UCR19495  Baccharis brachyphylla John C. Roos 1963-10-19 s.n. Riverside San Bernardino Mtns., Whitewater Wash near Painted Hill 581 Comment
  UCR21343  Baccharis brachyphylla O. F. Clarke 1966-10-5 s.n. Riverside Peninsular Range; Santa Rosa Mtns, east slope of mtns., Hwy 74 at Royal Carrizo Rd., near Black Hill 917 Comment
  RSA486458  Baccharis emoryi Richard Noyes 1988-10-30 758 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  SBBG63297  Baccharis salicifolia R. H. Nordhoff 1940-11-10 611 Riverside ca. 20 mi below Banning Comment
  UC893660  Baccharis salicifolia subsp. salicifolia Carl B. Wolf 1932-10-11 4274 Riverside 3/10 mi below, Morongo Wash, Little San Bernardino Mts. Colorado Desert San Bernardino County line; Colorado Desert, Little San Bernardino Mts., Morongo Wash 670 Comment
  SD144064  Baccharis salicina A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart & C. L. Sanders 1994-12-4 15882 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area, San Andres palm grove, 1.75 km WSW of Rancho Dos Palmas, marked see on Durmid 7.5' Quad Comment
  JEPS21254  Baccharis sergiloides Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio (Carrizo Canon); Carrizo Canon 304 Comment
  SD80133  Baccharis sergiloides Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-6 360 Riverside Andreas Canyon, east slope San Jacinto Mountains 455 Comment
  UC1518843  Baccharis sergiloides Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55384 Riverside 3.3 mi n of, west side of Whitewater Canyon Whitewater Post Office; San Bernardino Mts., Whitewater Canyon 594 Comment
  RSA0117830  Bahiopsis parishii Sarah J. J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  RSA1392  Bahiopsis parishii B. D. Stark 1930-4-2 785 Riverside Whitewater Bridge, San Gorgonio Pass 457 Comment
  POM350660  Baileya pauciradiata George B. Grant 1906-4-20 6709 Riverside Palm Springs. Comment
  RSA155550  Baileya pauciradiata L. S. Rose 1962-3-2 62004 Riverside La Quinta 3 Comment
  SEINET3005007  Baileya pauciradiata G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10436 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  UCSB10340  Baileya pauciradiata Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  SBBG46706  Baileya pleniradiata Leota Davidson 1965-5-12 197 Riverside Joshua Tree Nat Monument Comment
  UC164871  Baileya pleniradiata S. B. Parish 1902-6-30 8093 Riverside Juniper Valley Comment
  UCR48473  Bassia hyssopifolia Steve Boyd 1986-4-19 1716 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  POM7075  Bebbia juncea Philip A. Munz, L. T. Street 1919-5-7 2738 Riverside Colorado Desert, Tahquitz Canyon 229 Comment
  UCR78047  Bebbia juncea Scott D. White 1993-4-22 1225 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  CAS-BOT-BC100116  Bebbia juncea var. aspera Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9555 Riverside In wash 1 mile below Cottonwood Springs Comment
  SD5513  Bebbia juncea var. aspera Fidella G. Woodcock Jul 1928 Riverside Among rocks in stream, Palm Canyon, Palm Springs Colorado Desert (mak 7/07) Comment
  UC128834  Bebbia juncea var. aspera Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR244893  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  JEPS5610  Bergia texana Samuel B. Parish Nov 1891 Riverside Near Elsinore Comment
  RSA550477  Bergia texana D. E. Bramlet 1992-5-15 2286 Riverside San Jacinto Wildlife Area; Drying bed of the old San Jacinto channel, some 610 m. from the intersection of the old channel w/ the new San Jacinto River channel. The site is approximately 790 m. west of Davis Road. 433 Comment
  UC1281152  Bernardia incana H. E. McMinn 1935-6-27 4070 Riverside Palms to Pines Hwy. on grade to the valley Comment
  CSUSB940  Bloomeria crocea R. Thomasson 1973-5-24 Riverside Box Springs Mountains Box Springs Mountains. Big "C" turnoff, 0.6 miles from Box Springs Mountain Road. 777 Comment
  JEPS5208  Bloomeria crocea W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1334 Riverside Van Deventer's Ranch Comment
  POM12847  Bloomeria crocea var. crocea Philip A. Munz 1922-6-24 5809 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  RSA367448  Bloomeria crocea var. crocea Jeannette B. Edge 1934-4-18 s.n. Riverside Near Highgrove. Comment
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Jun 10 2012
  RSA477444  Boechera californica Robert Gustafson 1985-5-20 3118 Riverside San Jacinto Mtns., R-1, between Lake Fulmar and Allandale Comment
  RSA482668  Boechera californica T. H. Holmes 1932-3-27 s.n. Riverside Millard Canyon Comment
  RSA482681  Boechera californica R. S. Woglum 1941-6-12 3059 -A Riverside Idyllwild Comment
  JOTR30259  Boechera lincolnensis Leary, C. and Leary, Pat 1979-5-6 3026 Riverside Joshua Tree National Park. Just S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 1463 Comment
  JOTR34277  Boechera xylopoda La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3292 Riverside Joshua Tree National Park. Little San Bernardino Mtns; ridge just south of Quail Mountain peak; N-facing steep slope (stop 5) Comment
  CLARK-A1528-5700  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  RSA0062788  Boerhavia coulteri Duncan S. Bell, Evan Meyer 2014-10-22 7653 B Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  SEINET3228131  Boerhavia coulteri G. Rink 2012-9-1 11654 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  UCR89713  Boerhavia coulteri J. M. Stewart 1990-9-23 655 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  UCR215582  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  IRVC28534  Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Canyon Spring, Orocopia Mtns. Sonoran (Colorado) Desert 372 Comment
  CAS-BOT-BC31019  Bolboschoenus maritimus Ivan Murray Johnston 1918-5-30 2026 Riverside Temescal Canyon, Lee Lake. 335 Comment
  UC579636  Bothriochloa barbinodis A. Lewis Apr 1934 375 Riverside sw of Corona (Cleveland National Forest, Tin Mine Canyon); Cleveland National Forest, Tin Mine Canyon 457 Comment
  JOTR30300  Bouteloua aristidoides var. aristidoides Andre, Jim, Tasha La Doux 2007-9-6 8706 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UCR103311  Bouteloua aristidoides var. aristidoides George K. Helmkamp 1998-4-4 3162 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  CLARK-A1528-4511  Bouteloua barbata John C. Roos 1937-8-20 1227 Riverside Blythe Comment
  SEINET212402 Image available Bouteloua barbata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-23 6490 Riverside Palen Valley 15 mi NE of Desert Center 183 Comment
  SEINET4565925  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR89728  Bouteloua barbata J. M. Stewart 1990-9-23 657 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  RSA0104626  Bouteloua curtipendula Duncan S. Bell 2015-9-30 8676 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR241677  Brachypodium distachyon O. F. Clarke 2010-5-4 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR280961  Brachypodium distachyon Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 06 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  RSA394252  Brandegea bigelovii Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  RSA5173  Brandegea bigelovii C. B. Wolf 1932-4-17 2988 Riverside 14 mi. E of Mecca on Blythe rd 152 Comment
  RSA676267  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC990933  Brandegea bigelovii D. F. Howe 1952-4-27 Riverside Box Canyon e of Mecca Comment
  UCR216221  Brandegea bigelovii Jim Andre, T. La Doux 2009-2-25 10805 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCSB9114  Brandegea bigelovii Chisaki, Francia; Kamb, Peter 1952-4-9 Riverside Box Canyon, road from Mecca to Blythe Comment
  UCR166431  Brassica A. C. Sanders 1992-2-28 12036 Riverside University of California, Riverside. Botanic Garden 366 Comment
  RSA0066347  Brassica nigra John Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W. 366 Comment
  UCR50579  Brassica nigra B. G. Pitzer, E. Misquez 1988-2-28 0621 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  CLARK-A1656-707  Brassica tournefortii Theo Glenn 1979-2-16 Riverside San Jacinto Mountains 335 Comment
  RSA782082  Brassica tournefortii Duncan S. Bell 2009-3-9 123 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  UCD114704  Brassica tournefortii Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20462 Riverside Along Highway 60 about 1.5 mi. SE. of Garnet Hill. Comment
  UCR127324  Brassica tournefortii A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25832 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR177438  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR250573  Brassica tournefortii A. C. Sanders 2014-4-18 41034 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 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
  JEPS18712  Brickellia atractyloides var. arguta W. L. Jepson 1914-5-18 6012 Riverside Pinon Well, Cottonwood Mts. Comment
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Jul 6 2010
  CAS-BOT-BC106177  Brickellia desertorum John Roos; Lucille Roos 1950-10-28 5020 Riverside North base Mt. Russell, 1 mile S.E. of Moreno 548 Comment
  POM301772  Brickellia desertorum J. Cole 1942-5-19 960 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  UCR89539  Brickellia desertorum Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  CAS-BOT-BC100514  Brickellia incana K. Larson 1977-5-11 2297 Riverside 10 mi. W. of Desert Center Comment
  JEPS18572  Brickellia oblongifolia var. linifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1424 Riverside Van Deventer's Ranch Comment
  RSA570554  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8013 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. 1000 Comment
  UCD34817  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside County, Riverside, jct. of Pennsylvania and Iowa aves.. Comment
  RSA92722  Bromus berteroanus J. C. Roos, L. Roos 1952-5-24 5711 Riverside one-year-old burn on hills north of Moreno 518 Comment
  UCR265595  Bromus carinatus Jordan Zylstra 2014-3-18 14007 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  LA13769  Bromus carinatus var. marginatus F. M. Reed; 1908-7-11 2503 Riverside San Jacinto Mountains, trail to San Jacinto Peak 3078 Comment
  UC37740  Bromus catharticus H. M. Hall August 1899 1365 Riverside Riverside; Southern California, Riverside Comment
  UCD58337  Bromus catharticus L. Reese 1956-5-29 12 Riverside San Jacinto Valley. 475 Comment
  UCD58347  Bromus catharticus C. R. Hursh 1919-11-30 s.n. Riverside 1 mile north of Riverside. Comment
  UCR88229  Bromus catharticus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16073 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  RSA0036798  Bromus diandrus Starr Streight 1982-4-17 25 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  RSA772334  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4513 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR232031  Bromus diandrus John F. Green 2008-4-15 0408- 17 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR125225  Bromus hordeaceus Mitch Provance, Twoc Tran 1998-5-30 564 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  RSA326154  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 771 Riverside San Jacinto Mountains; Idyllwild along Southgate Circle Drive ca. 1 mile from Highway 243. 1677 Comment
  CLARK-A1528-4555  Bromus rubens John C. Roos, Lucille Roos 1950-4-15 4739 Riverside Pigeon Pass 457 Comment
  SEINET14451727  Bromus rubens C. F. Shutts 1949-3-28 90 Riverside Palms to Pine Highway State 74. Santa Rosa Mountains. near Palm Springs 747 Comment
  UCD59626  Bromus rubens D. A. Johansen; J. A. Ewan 1932-4-10 7057 Riverside At mouth of Tahquitz Canyon, western Colorado Desert. Comment
  RSA757626  Bromus tectorum LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4332 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
  SEINET6196154 Image available Bromus tectorum Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-4-12 4429 Riverside San Bernardino Mountains region,Transverse Ranges: Whitewater Canyon, Along Whitewater River Drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  RSA0020666  Bromus tectorum N. C. Cooper 1944-5-20 1232 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  CLARK-A1528-4563  Bromus trinii John C. Roos, Lucille Roos 1952-5-24 5711 Riverside Moreno Valley 518 Comment
  RSA405297  Caesalpinia virgata P. J. Remple 1942-3-2 s.n Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  UC192964  Caesalpinia virgata S. B. and W. F. Parish Mar 1884 591 Riverside Colorado Desert Comment
  UC665830  Caesalpinia virgata Ira L. Wiggins 1941-3-27 9690 Riverside 8.2 mi. w. Shaver's Summit Comment
  SEINET12160519  Caesalpinia virgata Unknown 1936-1 12788 Riverside Colorado Desert N of Palm Springs Comment
  UC69317  Calandrinia ambigua L. A. Greata Apr. 1905 Riverside Coachella Comment
  UCR138643  Calandrinia ciliata D. L. Banks 1997-2-17 1272 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  UCR16503  Calandrinia ciliata Joe Buriel 1966-3-18 s.n. Riverside Riverside, off Mockingbird Canyon Road, 1.5 mi south of Van Buren turnoff 457 Comment
  POM10103  Calocedrus decurrens E. A. Zumbro 1903-08 s.n Riverside Idylwild [Idyllwild] Comment
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Jan 11 2007
  UCD132908  Calocedrus decurrens K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 16 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  RSA377463  Calochortus splendens N. C. Cooper 1949-6-29 4326 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA688839  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-6-17 9549 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  RSA642610  Calycadenia tenella Darin L. Banks, Mike Kinney 1998-6-8 2219 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  UCR269841  Calycoseris wrightii A. C. Sanders, Jim Malusa 2016-3-18 42384 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA0117828  Calyptridium monandrum Sarah J. J. De Groot, Grace Cho 2016-4-4 7770 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  SD215627  Calyptridium monandrum Steve Boyd, Tim Ross, et al. 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79. 487 Comment
  UC7750  Calyptridium monandrum H. M. Hall June, 1901 2050 Riverside vicinity of Chalk Hill; San Jacinto Mountains 1402 Comment
  CSUSB670  Calystegia macrostegia Bruce Freeman 1968-4-6 680406 2 Riverside Campus of UC Riverside. In drainage gulley, about 50 yards from gate to Botanical Gardens. 335 Comment
  RSA192221  Calystegia macrostegia subsp. arida E. W. Lathrop 1966-5-1 6232 Riverside 3 miles W of Murrieta Comment
  UC64607  Calystegia macrostegia subsp. tenuifolia H. M. Hall 1897-6-1 595 Riverside Riverside Comment
  UCR172195  Camissonia John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA449956  Camissonia bistorta J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  RSA621900  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2918 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR120960  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23879 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR225711  Camissonia bistorta A. C. Sanders 2011-3-30 38916 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  VVC322  Camissonia bistorta F. Ambrey 1959-4-20 s.n. Riverside Northern Perris Basin, 0.2 mi So of refuse disposal area on Pigeon Pass Rd, 60 yds E of Hwy in wash. 536 Comment
  SEINET3093091 Image available Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 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
  RSA75404  Camissonia boothii subsp. condensata F. W. Peirson 1922-4-9 s.n. Riverside Palm Canyon Region, near Palm Springs. Comment
  RSA676031  Camissonia brevipes Scott D. White 2001-4-17 8335 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  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
  RSA0021217  Camissonia brevipes subsp. brevipes T. Mosquin 1958-2-22 3208 Riverside Colorado Desert. Corn Spring, Chuckwalla Mountains. Comment
  RSA134153  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11583 Riverside Colorado Desert. with parents, on roadside embankment at turn to Corn Springs, base of Chuckwalla Mountains. Comment
  RSA135257  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11440 Riverside Colorado Desert. with parents, only a few individuals and parents rarely growing together, on desert alluvial fan of Fargo Canyon. Comment
  RSA466212  Camissonia brevipes subsp. brevipes H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert. Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  RSA136656  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-1-24 11436 Riverside Fargo Canyon, alluvial fan. Comment
  RSA9313  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  RSA134498  Camissonia californica Harlan Lewis, M. Lewis 1953-3-15 1610 Riverside Colorado Desert, Pushawalla Canyon in desert wash Comment
  RSA13452  Camissonia californica P. A. Munz 1922-5-19 5363 Riverside 5 miles NE of Murietta. 457 Comment
  UCR251780  Camissonia californica Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-5-16 1254 Riverside San Bernardino Mtns., Haugen-Lehmann Way off I-10, Pacific Crest Trail (PCT) in canyon directly west of Whitewater 675 Comment
  POM37752  Camissonia campestris subsp. campestris Marcus E. Jones 1882-4-24 3168 Riverside San Jacinto Comment
  RSA784955  Camissonia cardiophylla Duncan S. Bell 2012-2-12 3113 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET3093302 Image available Camissonia cardiophylla A. C. Sanders, S. White, C . L. Sanders 1994-10-9 15813 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi. below trout farm, above Bonnie Bell. 549 Comment
  UCR60774  Camissonia cardiophylla Steve Boyd, Orlando Mistretta 1986-3-13 1476 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  RSA633323  Camissonia confusa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38083 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR133321  Camissonia hirtella 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
  RSA501000  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3119 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  SEINET7040153  Camissonia ignota A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  RSA655044  Camissonia intermedia Scott D. White 1999-6-6 7443 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UCR54251  Camissonia intermedia David Charlton 1988-5-21 1953 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR121666  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  POM6697  Camissonia pallida subsp. hallii P. A. Munz, L. T. Street, G. Williams 1919-3-28 2363 Riverside San Gorgonio Pass, near Banning 701 Comment
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Sep 12 2011
  RSA186574  Camissonia pallida subsp. hallii Peter H. Raven 1962-4-7 17109 Riverside Whitewater Canyon 2.7 miles from U.S. Highway 70-99. Comment
  HSC16496  Camissonia pallida subsp. pallida R. A. Eagle 1964-3-28 28 Riverside 1.8 mi. from turn onto Thunderbird Rd. in Palm Springs Comment
  RSA770789  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4529 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA144810  Camissonia refracta E. G. Linsley, J. W. MacSwain 1960-3-2 60 -10 Riverside 2 miles west of Desert Center. Comment
  RSA776641  Camissonia refracta Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1098 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  SEINET3005074  Camissonia refracta G. Rink 2011-5-1 10512 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR144110  Camissonia refracta Scott D. White 2001-4-17 8347 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  UCR92486  Camissonia refracta George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UC1228592  Camissonia strigulosa C. L. Hitchcock and C. V. Muhlick 1962-3-16 22136 Riverside 8 mi se Corona; Temescal Canyon Comment
  UC147158  Camissoniopsis bistorta H. M. Hall June 1901 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UCSB4466  Camissoniopsis hirtella Sager, Ginny 1960-5-14 Riverside San Jacinto Mtns between Banning and Idyllwild 914 Comment
  JEPS33742  Camissoniopsis pallida subsp. hallii Marjorie D. Clary 1932-3-20 1536 Riverside 10 mi nw Garnet; Colorado Desert, Mission Creek 457 Comment
  RSA757755  Camissoniopsis pallida subsp. pallida LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4314 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
  SEINET1869530  Campanulaceae H. M. Hall 1905-1 5819 Riverside Eastern base of Indio Mt., Colorado Desert. 150 Comment
  UCR92446  Capsella bursa-pastoris A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18108 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  OBI74759  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: HemetT5S, R1W S26 610 Comment
  CAS-BOT-BC21917  Carex heteroneura A. Davidson 189 s.n. Riverside San Jacinta Mountains. Comment
  UC961  Carex nebrascensis H. M. Hall July, 1901 2338 Riverside vicinity Deer Springs; San Jacinto Mts. 2743 Comment
  OBI35042  Carex praegracilis A. C. Sanders & Steve. D. Boyd, Steve. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mts, Garner Valley. W of Kenworthy Ranger Sta 1372 Comment
  SD73491  Carex praegracilis E. W. Lathrop 1959-5-17 4571 Riverside 10 miles west of Murrieta; open grasslands; open woods on slopes and valleys; dense grassy stream bank in shallow oak woodland valley. Comment
  SEINET12950760  Carex praegracilis D. E. Bramlet, P. Jacks, S. Goode 1989-4-5 1796 Riverside Perris-Aguanga Basin Region: Shipley Multi-species Reserve. Blue-line stream on the eastern flank of Bachelor Mtn., 700 ft north of the existing access road & 3,600 ft. W of Rawson Canyon.(Bachelor Mountain 7.5') 469 Comment
  SEINET10786964  Carex senta Peter F. Zika 2010-8-3 Zika 25243 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  UCR20513  Carex senta H. A. Zuill 1966-4-1 111 Riverside Peninsular Range, Tenaja Canyon, c. 10 mi WSW of Murrieta Comment
  UC72462  Carex subfusca H. M. Hall July, 1901 2250 Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  SD136988  Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, west of junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main truck of San Mateo Creek. 671 Comment
  CLARK-A1528-462  Cassia armata Charlotte Stocks 1963-6-15 Riverside Coachella Valley Comment
  CLARK-A1528-4171  Castilleja affinis John C. Roos 1966-4-5 Riverside Winchester Comment
  RSA575879  Castilleja affinis Steve D. Boyd 1981-3-11 s.n. Riverside Gavilan Hills region, northern flank of Estelle Mountain along fence line between T5S R5W sec. 32 at access road up from Dawson Canyon. 732 Comment
  LA35281  Castilleja affinis subsp. affinis Mary V. Hood; 1945-3-28 Riverside near Sage, Highway 83 761 Comment
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Mar 1 2014
  SDSU14031  Castilleja affinis subsp. affinis Dinna Estrella, M. G. Simpson 2002-4-20 19 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 341 Comment
  POM71676  Castilleja applegatei subsp. martinii Philip A. Munz 1924-5-18 8131 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA448698  Castilleja applegatei subsp. martinii C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Above Marion Camp, Mount San Jacinto. Comment
  SD65544  Castilleja applegatei subsp. martinii Robert L. Rutherford 1944-6-17 1418 Riverside San Jacinto Mtn., above Banning, canyon floor 1372 Comment
  SBBG118603  Castilleja densiflora H. and M. Dearing 1939-4-5 3097 Riverside Hemet Valley Comment
  SBBG128622  Castilleja exserta subsp. exserta S. R. Hill, A. C. Sanders 2001-5-4 33712 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  SEINET6985158  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route US 395 and about 5 miles southeast of Lake Matthews. Comment
  UC26428  Castilleja foliolosa H. M. Hall Jun 1901 2084 Riverside vicinity Chalk Hill; San Jacinto Mountains 1371 Comment
  UCR133981  Castilleja foliolosa Mitch Provance, J. S. Ross 1998-3-27 MOR- 974 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  UCR262254  Castilleja foliolosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3716 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
  VVC476  Castilleja foliolosa A. C. Sanders, J. Mac 1997-5-4 20664 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
  UCR37497  Castilleja minor subsp. spiralis Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  UCR114745  Catalpa bignonioides A. C. Sanders, K. C. Rose 1999-6-18 22800 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  RSA614163  Caulanthus D. L. Banks 1997-2-23 1314 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  CAS-BOT-BC38139  Caulanthus amplexicaulis H. M. Hall 1900-6-1 s.n. Riverside Riverside. Comment
  CAS-BOT-BC41104  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3978 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFS Dripping Springs Guard Station. 609 Comment
  CAS-BOT-BC126757  Caulanthus lasiophyllus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37458 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SBBG101779  Caulanthus simulans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6023 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
  SD173249  Caulanthus simulans Juergen Schrenk 2005-3-16 10 Riverside Wilson Valley Road, southwest Riverside County Comment
  JEPS42363  Ceanothus cordulatus W. L. Jepson 1903-8-8 2317 Riverside trail below Round Valley; San Jacinto Mt. 2895 Comment
  SD29582  Ceanothus cordulatus D. F. Howe 1941-6-8 1106 Riverside Strawberry Creek, San Jacinto Mts. Comment
  POM10283  Ceanothus crassifolius E. A. Zumbro 1892-03 401 Riverside Cold Water Canyon, Temescal Mts. Comment
  RSA651874  Ceanothus crassifolius Carol Zuck 1981-2-16 41 Riverside On I-74, 17.5 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  UC494719  Ceanothus crassifolius Philip A. Munz 1932-3-24 12028 Riverside s Lake Elsinor (base of mts.) 365 Comment
  UC774536  Ceanothus crassifolius Carl B. Wolf 1941-6-27 10898 Riverside 3.3 mi e Orange Co. line (Ortega Hwy); Santa Ana Mts. 579 Comment
  UCD111420  Ceanothus crassifolius Beecher Crampton 1963-5-7 6787 Riverside 2 miles west of El Cariso Guard Station, Cleveland National Forest, Santa Ana Mountains. 701 Comment
  SBBG105059  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  CDA35557  Ceanothus cuneatus Mike Lahti 2008-5-27 PDR# 1473200 Riverside Hemet, 37166 Sage Rd., X East Benton Rd. 0 Comment
  SEINET13945817 Image available Ceanothus cuneatus S. Lambert 1981-1 1937 Riverside San Bernadino Natl. Forest, 14.45 mi. E of Hemet, SW slope 1219 Comment
  HSC88837  Ceanothus greggii T'ai Roulston, Robin Bencie, Rich Dwerlkotte 1989-3-22 112 Riverside 2 mi N of Anza-Borrego State Park in Nicholias Canyon 1300 Comment
  RSA77718  Ceanothus greggii var. perplexans F. W. Peirson 1922-5-20 735 Riverside Hemet Valley, San Jacinto Mountains 1448 Comment
  RSA221091  Ceanothus integerrimus var. californicus E. W. Lathrop 1966-5-8 6416 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  POM282968  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside Summit Temecula. Comment
  RSA741156  Ceanothus leucodermis Scott D. White, Justin M. Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA0019588  Ceanothus oliganthus var. oliganthus Elbert Benjamine 1929-4-7 127 Riverside San Gorgonio Pass, southern California. Comment
  RSA557891  Ceanothus oliganthus var. sorediatus Steve Boyd, Orlando Mistretta 1992-4-22 7002 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CAS-BOT-BC51646  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7913 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  RSA6035  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside San Jacinto Mountains: Point View near Idyllwild 1646 Comment
  UCR18917  Ceanothus papillosus subsp. roweanus John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  SBBG4148  Ceanothus perplexans H. and M. Dearing 1939-4-5 3088 Riverside 2 mi W of Beaumont Comment
  LA44932  Ceanothus spinosus Norman C. Cooper; 1944-6-17 1444 Riverside San Jacinto Mountains, Pine Cove 1523 Comment
  POM310178  Ceanothus spinosus Hulda Crooks 1946-3-2 s.n. Riverside Beaumont-E. of Town. 701 Comment
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Feb 17 2013
  CDA7288  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  CDA7295  Centaurea X pouzinii H. Grady, V. Austin 1970-7-28 Riverside Corona District. Southwest corner of Chandler Street & Archibald Avenue. 0 Comment
  NY532374  Centaurea repens S. D. Boyd 1989-7-6 3758 Riverside S of Jurupa Rd, E of intersection with Van Buren Ave. Comment
  UCR199743  Centaurea solstitialis Scott D. White, Justin Wood 2008-5-29 12043 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  UCR238750  Centaurea solstitialis John F. Green 2012-9-11 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, between Perris and March Air Base, Harvill Ave. at Markham St., just west of I-215 Fwy 464 Comment
  UCR87868  Centaurea solstitialis J. Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley. Comment
  RSA588599  Centaurium venustum D. L. Banks, Steve D. Boyd 1995-10-17 810 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 524 Comment
  SEINET7067556  Centaurium venustum A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  CAS-BOT-BC279122  Centromadia pungens subsp. laevis David D. Keck 1932-10-2 1946 Riverside Just north of Temecula Comment
  JEPS106967  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 19 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  RSA689431  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -248 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  UCR281281  Centromadia pungens subsp. laevis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 18 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  HSC78735  Cerastium glomeratum A. C. Sanders, T. Glenn 1983-4-17 3738 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  UCR37474  Cerastium glomeratum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  POM29669  Cercidium floridum Marcus E. Jones 1906-4-27 sn Riverside Indio. Comment
  RSA663907  Cercidium floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  RSA776695  Cercidium floridum Duncan S. Bell, Amanda Turek 2010-4-10 788 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  JEPS64764  Cercidium floridum subsp. floridum Marjorie D. Clary May, 1928 Riverside Coral Reef Ranch Colorado Desert, Coachella Comment
  RSA192113  Cercocarpus minutiflorus E. W. Lathrop 1959-4-1 4386 Riverside 18 mi SW of Elsinore. Tenaja Canyon. Comment
  CAS-BOT-BC276389  Chaenactis carphoclinia Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  UCSB10328  Chaenactis carphoclinia Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70; in a Colorado Desert Comment
  RSA314651  Chaenactis fremontii R. F. Thorne 1983-4-23 55491 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA691085  Chaenactis fremontii Scott D. White 2001-4-18 8362 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  SBBG65675  Chaenactis fremontii M. N. Ackley 1928-3-25 Riverside near Edom 64 Comment
  SBBG7877  Chaenactis fremontii H. and M. Dearing 1937-4-10 2869 Riverside ca. 16 mi N of Indio Comment
  UCR123233  Chaenactis glabriuscula S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UCR34887  Chaenactis glabriuscula L. B. Ziegler 1967-6-15 160 Riverside San Jacinto Mtns, Bautista Creek Canyon 732 Comment
  UCR59522  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3608 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCSB38653  Chaenactis glabriuscula Cowan, Clark 1978-4-24 Riverside 2.1 mi. (3.3 km.) off Ave. 66 on a dirt road, 1.3 mi. (2 km.) on Ave. 66 from Hwy. 86; Lake Cahuilla Comment
  CAS-BOT-BC277412  Chaenactis glabriuscula var. glabriuscula Scott D. White 1996-4-14 3898 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
  RSA586110  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-4-5 0150 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  CSUSB1491  Chaenactis glabriuscula var. lanosa Rita Gibbons 1975-6-5 S. N. Riverside Reche Canyon Rd., 4 miles from Barton Rd. Comment
  RSA500139  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3670 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR18650  Chaenactis parishii Frank C. Vasek 1973-6-8 730608- 71 Riverside Santa Rosa Mtns., road 1 mile below Garnet Queen Creek 1768 Comment
  JOTR31225  Chaenactis stevioides La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2009 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  JOTR01244  Chaenactis stevioides Cole, James E. 1941-4-13 545 Riverside Joshua Tree National Park. OLD DALE SANDY FLATS 396 Comment
  RSA792549  Chamaesyce abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA793471  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  SEINET7062847  Chamaesyce albomarginata A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile west of Lake Elsinore. Railroad Canyon. UTM Zone 11, 464455mE, 3724990mN. (WGS84/NAD83). 393 Comment
  JOTR28810  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2004-3-11 1078 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  HSC78517  Chamaesyce polycarpa J. C. Roos 1946-10-26 3145 Riverside Chuckwalla Mtns. Comment
  RSA798153  Chamaesyce polycarpa Marc Baker, Michelle Cloud-Hughes 2011-12-18 17504 Riverside 67 km WNW of Blythe, 17 km west of Palen Pass, 27 km NNE of Desert Center. 177 Comment
  SEINET3005075  Chamaesyce polycarpa G. Rink 2011-5-1 10513 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  RSA576460  Chamaesyce polycarpa var. hirtella L. C. Wheeler 1933-12-2 2309 Riverside Mouth Tahquitz Canyon near Palm Springs. 144 Comment
  JOTR32616  Chamaesyce setiloba La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1021 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
  JOTR33671  Chamaesyce setiloba La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2661 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  UCR48427  Cheilanthes clevelandii Steve Boyd, C. Boyd, B. Roy 1986-2-2 1201 Riverside Peninsular Range, Hwy 79 at San Diego county line Comment
  POM120993  Cheilanthes covillei Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR178564  Cheilanthes covillei R. G. Swinney 1967-3-5 47 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR178965  Cheilanthes covillei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 398 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  IRVC3131  Cheilanthes newberryi Charley Ford 1965-4-20 HS 0583 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  SEINET3870278  Cheilanthes newberryi A. C. Sanders, G. K. Helmkamp 1997-3-15 19917 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills.; 0 567 Comment
  CAS-BOT-BC68057  Cheilanthes parryi Annie M. Alexander; Louise Kellogg 1941-4-22 2061 Riverside Colorado Desert - White Water Canyon 548 Comment
  RSA0123692  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2016-3-30 9160 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UC1511337  Cheilanthes parryi Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52022 Riverside Chino Canyon, Palms to Pines Highway Chino Canyon; San Jacinto Mts Comment
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Apr 24 2011
  UCSB44681  Cheilanthes parryi Hibbard, Doug 1977-5-15 Riverside Up wash from Hwy 74, 8.45mi from its intersection with Hwy 111 679 Comment
  RSA0120484  Chenopodium Duncan S. Bell, Thomas Stoughton 2016-3-15 s.n. Riverside Orocopia Mountains; southwest section of the range; along the Coachella Canal, near its junction with Dos Palmas Springs Road. 23 Comment
  UCR119415  Chenopodium Mitch Provance 1998-6-20 706 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR176672  Chenopodium album G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UCR128249  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA0125297  Chenopodium californicum Duncan S. Bell, Eric Baecht, Eva Mansell 2016-3-3 8783 Riverside Whitewater Canyon, at the Whitewater Canyon Preserve, a few hundred feet north from the Ranger Station (trout pond). 677 Comment
  CAS-BOT-BC231771  Chilopsis linearis Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio wash at S. P. RR, San Gorgonio Pass 640 Comment
  CLARK-A1528-320  Chilopsis linearis C. M. Flanagan 1973-5-31 OO 608 Riverside Morongo Indian Reservation 853 Comment
  RSA455308  Chilopsis linearis George R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
  UCR163665  Chilopsis linearis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; east of Salton Sea, along Coachella Canal, NW of Frink 24 Comment
  UCR17116  Chilopsis linearis J. W. Stubblefield 1969-5-10 S.N. Riverside Little San Bernardino Mtns, Big Morongo Canyon. 1.7 mi E on jeep road from Indian Ave. 305 Comment
  UCR77748  Chilopsis linearis Steve Boyd 1991-9-8 6425 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  POM202929  Chilopsis linearis subsp. arcuata L. C. Wheeler 1933-12-1 2281 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  CAS-BOT-BC184866  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Chuckwalla Valley. 20 miles west of Blythe on the Mecca Road. 121 Comment
  SD21515  Chorizanthe brevicornu var. brevicornu Frank F. Gander 1938-5-21 5758 Riverside Shaver's Summit Comment
  UCR136188  Chorizanthe coriacea Virginia Moran 2003-5-23 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  UCR140289  Chorizanthe coriacea A. C. Sanders 2004-4-9 27451 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR147605  Chorizanthe coriacea Rashmi Pant, D. L. Banks 1996-5-13 1024 Riverside Peninsular Ranges: Palomar Mts region, NW Palomar Mtns. Agua Tibia Mountians. Foothills south of Hwy 79; east of the Dripping Spring Campground; along xeric ridge, approximately 100mi east of the Dripping Springs Guard Station Comment
  UCR238217  Chorizanthe coriacea Mark A. Elvin 2005-5-24 4320 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  CAS-BOT-BC191853  Chorizanthe corrugata Carl B. Wolf 1932-4-29 3096 Riverside Eastern Colorado Desert. W edge of Maria Mts. 17 mi from Blythe on Rice Road 152 Comment
  RSA681030  Chorizanthe corrugata Scott D. White, Michael Honer 2003-5-14 9264 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCD99663  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  UCR51956  Chorizanthe corrugata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2164 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR35078  Chorizanthe leptoceras L. B. Ziegler 1967-6-14 158 Riverside San Jacinto Mtns., Bautista Creek Canyon 732 Comment
  UC534896  Chorizanthe leptotheca Susan G. Stokes 1934-7-1 311 Riverside road to Idyllwild (San Jacinto Mountain); San Jacinto Mountain 1219 Comment
  UCD99807  Chorizanthe parryi A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24183 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  NY468365  Chorizanthe parryi var. parryi J. L. Reveal 1988-5-23 6867 Riverside Along California Highway 75 at milepost 48, 3 miles east of Fairview Avenue in Valle Vista, on sandy granitic soil north of the highway and south of the San Jacinto River 609.6 Comment
  UCR174116  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32614 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR217548  Chorizanthe parryi var. parryi Diane Menuz 2008-6-20 473 Riverside San Bernardino Mtns. foothills, Bogart County Park, c. 350 m SW of fishing pond 987 Comment
  CAS-BOT-BC257187  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA543885  Chorizanthe polygonoides var. longispina Steve Boyd 1991-5-20 6265 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 427 Comment
  CAS-BOT-BC246240  Chorizanthe rigida Frank W. Peirson 1922-4-11 2863 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs 243 Comment
  RSA392737  Chorizanthe rigida E. C. Jaeger 1922-3-29 815 Riverside Chuckwalla Valley. 259 Comment
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May 29 2011
  RSA543949  Chorizanthe staticoides Steve Boyd, Orlando Mistretta 1991-5-9 6181 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA585878  Chorizanthe staticoides D. L. Banks, Peter Morrell 1995-5-4 312 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  RSA586721  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-17 0444 A Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area; along the Dripping Springs Trail. 671 Comment
  UC284215  Chorizanthe staticoides P. A. Munz and D. D. Keck 1923-6-14 7085 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1463 Comment
  RSA0004915  Chorizanthe xanti var. leucotheca Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 305 Comment
  POM21137  Chrysolepis sempervirens T. M. Pedersen 1908-07 s.n. Riverside Tahquitz Valley. 2439 Comment
  POM351998  Chrysothamnus nauseosus subsp. mohavensis H. de Forest, Jack Rempel 1932-10-23 16157 Riverside Between Palm Springs and Whitewater along snow creek Comment
  UC101093  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin 1900-1 Riverside San Jacinto Mt. Comment
  UC218061  Chylismia brevipes subsp. brevipes P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4894 Riverside vicinity of Corn Springs Colorado Desert, Chuckwalla Mountains 609 Comment
  CDA37528  Chylismia brevipes subsp. pallidula D. Griffin & A. Gilbert 1983-2-16 Riverside Mule Mountains; 6 miles northwest of Palo Verde, on 30th Avenue. 0 Comment
  OBI30389  Chylismia claviformis T. Pringle 1966-2-22 22 Riverside Colorado Desert, along hwy 60, 1 mi SE of Garnet Comment
  SBBG100299  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  CAS-BOT-BC160614  Chylismia claviformis subsp. aurantiaca Mrs. G Earle Kelly 1926-4-1 s.n. Riverside Between Palm Springs and Indio Comment
  RSA0070673  Cirsium occidentale var. californicum P. A. Munz, D. D. Keck 1923-6-14 7077 Riverside Santa Ana Mts. Glen Ivy Trail to Santiago Peak. 1524 Comment
  SEINET2050012 Image available Cirsium occidentale var. coulteri Geoffrey Matthews, Jim Hearne & Robin Maetche 1971-5-1 Riverside City limits of Devore. Comment
  UC1929620  Cirsium occidentale var. occidentale Scott D. White 2003-3-21 8796 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  CAS-BOT-BC286461  Cirsium scariosum Cecil Hart 1922-5-21 26 Riverside San Jacinto Mt. Comment
  CLARK-A1528-646  Clarkia purpurea subsp. quadrivulnera 1972-5-17 OO 642 Riverside Morongo Indian Reservation 1158 Comment
  SEINET4040371  Clarkia purpurea subsp. quadrivulnera G. Sphon 1959-1 319 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UCR165912  Clarkia rhomboidea T. B. Salvato, John F. Green 2004-5-27 552 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR215130  Claytonia parviflora Sarah C. Pasquini 2008-4-18 13 Riverside Peninsular Range; San Jacinto Mtns., c. 6.5 miles south of city of Banning, 200 m down Mt. Edna Road off hwy 243 1160 Comment
  UCR5923  Claytonia parviflora subsp. utahensis Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., Above Fuller Mill Creek, 50 yards up stream from Banning-Idyllwild road 1616 Comment
  SBBG35049  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-19 Riverside Idyllwild to Hemet Lake 1828 Comment
  RSA525403  Claytonia perfoliata Steve Boyd, David E. Bramlet 1990-4-29 4504 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  HSC17685  Claytonia perfoliata subsp. mexicana C. L. Hitchcock, C. V. Muhlick 1964-3-17 23074 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  CAS-BOT-BC91329  Clematis lasiantha Carl B. Wolf 1941-8-15 11156 Riverside Santa Ana Mountains, east slope along main divide Motorway between Indian Canyon Summit and Trabuco Peak. 1371 Comment
  UCR104180  Clematis pauciflora Scott D. White 1997-5-25 5251 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA278958  Cleome isomeris B. A. Prigge, L. Martinez 1978-3-23 2401 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
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May 20 2013
  RSA38218  Cleome isomeris P. A. Munz 1947-4-10 11723 Riverside Shavers Well; northwest of mecca. 244 Comment
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Jul 9 2012
  RSA440818  Cleome isomeris Emery M. Whilton 1937-1-7 s.n. Riverside Box Canyon. Comment
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Feb 14 2013
  CLARK-A1528-2207  Coldenia palmeri John C. Roos 1947-3-1 3299 Riverside Coachella Valley Comment
  UCR132612  Collinsia heterophylla Kent Beaman 1983-4-24 03 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  RSA343114  Collinsia heterophylla var. heterophylla Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60661 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  POM162486  Colubrina californica E. C. Jaeger 1930-01 s.n. Riverside Eagle Mountain Comment
  SBBG71425  Colubrina californica I. M. Johnston 1930-6-15 Riverside N of Mecca-Blythe Rd at SW end of Eagle Mtns 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
  CAS-BOT-BC215976  Convolvulus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4059 Riverside Vail Lake area, summit of Big Oak Mtn. at E end 792 Comment
  UCR189584  Convolvulus simulans Theresa Johnson 2006-3-30 006 Riverside Peninsular Range, Santa Rosa Plateau, western edge of Mesa de Burro 571 Comment
  POM318626  Conyza canadensis Patricia Wilder 1970-10-15 4793 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA717578  Conyza coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile SE of Alberhill 439 Comment
  RSA770848  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4940 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
  CAS-BOT-BC287880  Coreopsis californica Ira L. Wiggins 1941-3-27 9706 Riverside Slopes 4 miles N of Whitewater Comment
  POM15182  Coreopsis californica Mary F. Spencer 1922-4-10 653 Riverside Snow Creek prope [near] Palm Springs Comment
  RSA33795  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  UC1605404  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside San Mateo Canyon n Tenaja Canyon (along Fisherman's Camp Trail); Southern Santa Ana Mountains, Cleveland NF, San Mateo Canyon 451 Comment
  RSA397453  Cornus nuttallii Gale Sphon 1955-5-21 s.n. Riverside Dark Canyon. Comment
  UCR132417  Cortaderia selloana A. C. Sanders 2004-2-6 27382 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  CLARK-A1656-711  Cotula australis Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  UCR46571  Crassocephalum crepidioides A. C. Sanders 1986-9-15 6960 Riverside Peninsular Range, Cardiff Growers on Anza Rd., Temecula Comment
  SEINET7073458  Crassula connata A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA717467  Crassula erecta Scott D. White 2006-4-27 11306 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA654969  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 23637 Riverside Perris-Anuanga Basin Region: French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., ca. 0.5 km NE of Adobe Spring E. 409 Comment
  SEINET238488  Cressa truxillensis A. C. Sanders, D. Malueg; K. D. Jones et al 2000-9-8 23637 Riverside Perris-Aguanga Basin Region: French Vally gasline right of way just south of Los Alamos/Thompson Rd. on the east side 409 Comment
  UCR280988  Cressa truxillensis Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 58 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 Comment
  POM48342  Crossosoma bigelovii E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA293867  Crossosoma bigelovii Lyman Benson 1946-4-15 12039 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCD166244  Crossosoma bigelovii Jack Major 1962-4-17 778 -a Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  UCR102749  Crossosoma bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3562 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR25850  Crossosoma bigelovii John C. Roos 1949-4-2 4127 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon Comment
  JEPS52464  Croton californicus W. L. Jepson 1901-5-17 1217 Riverside Riverside Comment
  NY43331  Croton californicus C. R. Annable 1995-3-9 2255 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  RSA70555  Croton californicus F. W. Peirson 1932-11-26 9661 Riverside Thousand Palms. 122 Comment
  SD109129  Croton californicus Grady L. Webster, R. Hildreth 1966-12-11 7474 Riverside Aguanga Valley, hillsides above Aguanga. 640 Comment
  UCR226995  Croton californicus Jim Andre 2011-2-2 16215 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCD141965  Croton californicus subsp. californicus Robert F. Thorne; W. A. Tilforth, L. Shultz, R. K. Benjamin, J Hogge 1980-4-16 54120 Riverside San Bernardino Mts.; along Whitewater River; E. of bridge and levee. Comment
  POM87349  Croton californicus var. mohavensis Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  SD42975  Croton setiger Ethel Bailey Higgins 1948-3-21 Riverside near Elsinore Comment
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Jul 11 2010
  CAS-BOT-BC389672  Cryptantha D. L. Castleberry 1964-2-2 s.n. Riverside Tahquitz Canyon Comment
  RSA613646  Cryptantha D. L. Banks, Victor Steinmann 1997-3-13 1473 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
  UCR183167  Cryptantha Mitch Provance 2003-5-5 4408 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  JOTR33802  Cryptantha angustifolia La Doux, Tasha, B. Truesdell 2007-11-9 3300 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP1) 532 Comment
  POM368197  Cryptantha angustifolia L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  SBBG14709  Cryptantha angustifolia H. and M. Dearing -Mar-1926 Riverside near Salton Sea Comment
  SDSU18676 SDSU18676
Image available
Cryptantha angustifolia Kristen Hasenstab, M. G. Simpson 2008-4-1 44 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. 592 Comment
  SEINET3004972  Cryptantha angustifolia G. Rink 2011-3-28 10398 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  SEINET3004977  Cryptantha angustifolia G. Rink, M. Baker 2011-4-1 10403 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  SEINET3071824  Cryptantha angustifolia Marc A. Baker, Michelle Cloud-Hughes 2011-12-18 17505 Riverside West of Palen Pass quadrangle, zone 11 0663470mE 3753470mN NAD83, Palen Valley, along Palen Pass Road, 17km west of Palen Pass, 67km WNW of Blythe, 27km NNE of Desert Center 175 Comment
  RSA796091  Cryptantha barbigera Duncan S. Bell 2009-4-20 311 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR89563  Cryptantha barbigera George K. Helmkamp 1994-3-10 42 15 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  SBBG6245  Cryptantha circumscissa C. H. Muller 1952-4-6 9511 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  POM12150  Cryptantha costata Mary F. Spencer 1920-3-16 1514 Riverside Mecca -60 Comment
  RSA777447  Cryptantha costata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 968 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UC100863  Cryptantha costata H. M. Hall 1905-5-1 5974 Riverside Hodges Mts. Colorado Desert Comment
  SBBG87958  Cryptantha cycloptera A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6144 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  RSA685135  Cryptantha decipiens A. C. Sanders, K. Rose, D. Woodard 1995-3-22 16212 Riverside Coachella Valley: mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point and Interstate 10. 370 Comment
  JOTR30318  Cryptantha dumetorum La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1752 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  JEPS67627  Cryptantha holoptera W. L. Jepson 1927-4-12 11678 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  UCR72244  Cryptantha holoptera Theo Glenn 1991-5-30 91- 113 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  HSC86868  Cryptantha intermedia Dave Hawks 1988-4-2 Riverside Tule Creek drainage, 1.75 mi. NE of Aguanga, SE of intersection of Dove and Sycamore Sts., S of Hwy. 371 762 Comment
  POM146228  Cryptantha intermedia F. M. Reed 1927-5-8 5310 Riverside Hills south of Perris Comment
  POM368282  Cryptantha intermedia H. de Forest, Geo C. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA0106454  Cryptantha intermedia Daphne K. Christopher, Hannah Stevens 2003-4-3 80 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  SD227780  Cryptantha intermedia A. C. Sanders 1994-5-29 14547 Riverside San Bernardino Mountains: Morongo Indian Reservation, sandy alluvial slopes among hills on the low pass between Millard Cyn. And Potrero Cr. 750 Comment
  SDSU5389  Cryptantha intermedia H. Wedberg 1962-4-20 902 Riverside About 8 1/2 miles from Hemet, and 1/2 mile from Cranston Ranger Station on road to Mountain ceter and Idyllwild. 610 Comment
  UC572596  Cryptantha intermedia H. S. Yates 1936-4-7 5428 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  UCR138586  Cryptantha intermedia Steve Boyd 1986-3-1 1367 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
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May 31 2011
  UCR25980  Cryptantha intermedia John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  UCR4734  Cryptantha intermedia Frank C. Vasek 1960-3-17 600317- 06 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  SDSU20037  Cryptantha intermedia var. intermedia Michael G. Simpson 2012-4-27 3686 Riverside Skunk Hollow Vernal Pool Preserve, slight slope ca. 300 feet south of southern end of vernal pool. 419 Comment
  RSA0121002  Cryptantha maritima Duncan S. Bell, LeRoy Gross 2016-3-8 8831 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  UCR52017  Cryptantha maritima var. maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2180 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UC24831  Cryptantha micrantha H. M. Hall 1901-7 2487 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  RSA79959  Cryptantha micrantha var. lepida F. W. Peirson 1922-5-19 4483 Riverside San Jacinto River, San Jacinto Mtns. 1220 Comment
  SD240213  Cryptantha microstachys Lee Ripma, Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Ranch development project. On privately owned land. 550 Comment
  UC1595612  Cryptantha microstachys Steve Boyd and Orlando Mistretta 1991-5-22 6282 Riverside e of Dorland Mtn. (w of Kolb Creek); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  UCR20701  Cryptantha microstachys A. C. Sanders 1980-5-14 1458 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  UCR43758  Cryptantha microstachys A. C. Sanders 1986-4-30 6490 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  POM369480  Cryptantha muricata N. C. Cooper 1944-4-23 1096 Riverside Banning 701 Comment
  RSA786102  Cryptantha muricata C. P. Cowan 1978-4-25 1273 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  SD136880  Cryptantha muricata Steve Boyd, Tim Ross 1992-5-15 7409 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; vicinity of the junction of Tenaja and Morgan Trails. 669 Comment
  UCR181953  Cryptantha muricata Mitch Provance 2003-4-5 6616 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  VVC126  Cryptantha muricata A. C. Sanders, J. Mac 1997-5-4 20658 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
  RSA0079441  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, Kyle Boyd 1989-6-24 3749 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  RSA0106759  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Amanda Turek 2009-3-29 142 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  RSA0123086  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8969 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SDSU18688  Cryptantha utahensis Kristen Hasenstab, M. G. Simpson 2008-4-1 53 Riverside Joshua Tree National Park. 1000 ft from Cottonwood Springs campground. Near sign for entrance from campground to Mastodon loop trail. Hillside is covered with this species of Cryptantha, especially on north facing slopes. 905 Comment
  RSA690942  Cucurbita Scott D. White, Michael Honer 2003-5-27 9398 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
  CHSC98226  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd. UTM: 11S 0488948E 3735311N 550 Comment
  SEINET1910781  Cucurbita palmata R. E. Riefner Jr. 2006-1 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd. 550 Comment
  POM319696  Cuscuta californica Patricia Wilder 1971-5-13 4972 Riverside Prado Flood Control Basin at top of Prado Dam on west end, Drainage area Santa Ana River, Flood Plain. 229 Comment
  CDA39910  Cuscuta californica var. californica R. F. Thorne 1963-7-26 32821 Riverside Santa Ana Mountains; Cleveland National Forest, Trabuco District. 0 Comment
  UCR103779  Cuscuta pentagona Scott D. White 1994-10-21 2505 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  POM48532  Cuscuta salina P. A. Munz 1924-6-21 8202 Riverside On Cressa, alkaline dry flats, Lake Elsinore. 372 Comment
  RSA791481  Cynanchum utahense J. Andre 2012-4-15 20848 Riverside West end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  RSA335029  Cynodon dactylon Steve Boyd 1985-7-23 1002 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  POM158185  Cyperus odoratus I. M. Johnston 1928-9-6 11270 Riverside Santa Ana River, Ontario - Corona road. Comment
  UCR77750  Cyperus odoratus Steve Boyd 1991-7-13 6409 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  CHSC96356  Cyperus rotundus K. E. Hoffmaster 1958-7-1 Riverside Indio. Comment
  POM128977  Dalea mollis E. E. Schellenger 19 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  SD185213  Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-25 5757 Riverside Rice Valley, southeast of Danby Dry Lake, south of Highway 62, along Midland Road, south of railroad crossing. 234 Comment
  UCR263650  Dalea mollis David Fraker, Aaron C. Sedgwick 2012-3-22 014 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  RSA404193  Dalea mollissima L. C. Wheeler 1931-11-26 391 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA498349  Dalea mollissima I. M. Johnston 1917-4-4 s.n Riverside Near Palm Springs. 152 Comment
  UCR167410  Dalea mollissima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR72212  Dalea mollissima Theo Glenn 1991-5-20 91- 98 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UCD65755  Dasyochloa pulchella A. A. Beetle 1942-4-22 3180 Riverside 8 miles east of Indio. Comment
  RSA777778  Datura discolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 758 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCSB37371  Datura discolor Roos, J. 1965-11-6 Riverside Colorado Desert, 26 miles west of Blythe. Comment
  RSA648278  Datura wrightii Margaret Murphy 1983-5-21 0039 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  HSC85253  Daucus pusillus Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  SD186052  Daucus pusillus A. C. Sanders, Mike Misenhelter 2005-6-15 30966 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino. 640 Comment
  UC194674  Deinandra fasciculata S. B. and W. F. Parish 1882-6-1 237 Riverside near Temecula; San Jacinto Plains Comment
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Jul 15 2009
  SD181705  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  CAS-BOT-BC131032  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  UC1746490  Deinandra paniculata Mitch Provance 2000-9-1 2232 Riverside 1/2 mi SW of peak 1538 Pyrite Canyon; Jurupa Mtns. 304 Comment
  POM14168  Delphinium parishii P. A. Munz, D. D. Keck 1922-4-9 4904 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 762 Comment
  RSA0018982  Delphinium parishii subsp. parishii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2143 Riverside Santa Rosa Mountains. Comment
  RSA0019614  Delphinium parryi subsp. parryi J. D. Olmsted 1958-6-15 187 Riverside S. Fork San Jacinto River just below its outlet from Hemet Lake, 10 mi. S of Mt. Center off of Pines to Palms Highway. San Jacinto Mountains, San Jacinto River drainage area. 1280 Comment
  RSA581749  Dendromecon rigida M. Wall 1995-4-13 98 Riverside San Jacinto Mountains, along Hwy 243, 6.95 miles south of Interstate 10 out of Banning, road pull out by dirt road, 1993 burn area. Comment
  UCR133399  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-5-7 MOR- 108 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR176929  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-4-30 MOR- 70 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  CAS-BOT-BC198169  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside 10 mi. NE of Murietta along roadside, Menifee Valley Comment
  UCR143105  Deschampsia danthonioides Steve Boyd, D. E. Bramlet 1996-4-19 8599 Riverside San Jacinto Valley, c. 2 air mi NE of Winchester and 0.5 mi west of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Ave., north of Stetson Ave, west of Metropolitan WAter District canal. 457 Comment
  UCR213838  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR220342  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR265584  Descurainia pinnata Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 8 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UC3251  Dichelostemma capitatum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCSB840  Dichelostemma capitatum Kamb, Peter 1947-6-8 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  RSA192267  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1960-3-11 4660 Riverside 5 miles west of Murrieta. Comment
  RSA33601  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  RSA70124  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, Near Palm Springs. 366 Comment
  RSA70160  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1922-4-9 2903 Riverside Andreas Canyon near Palm Springs, Colorado Desert, 335 Comment
  SBBG51155  Dichelostemma capitatum subsp. pauciflorum W. Zabriskie 1973-3-21 Riverside Beeseep Cyn, Deep Cyn drainage 304 Comment
  SEINET8345725  Diplacus bigelovii Unknown 1938-5-15 9546 Riverside Cottonwood Springs Canyon. Comment
  CAS-BOT-BC150928  Diplacus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside Cottonwood Canyon, ca. 100 yards east of Spring Comment
  CAS-BOT-BC150939  Diplacus bigelovii var. bigelovii H. Dearing; M. Dearing 1937-5-10 s 1638 Riverside Near Hayfields, Colorado Desert Comment
  CAS-BOT-BC152910  Diplacus brevipes H. M. Hall 1901-6-1 2058 Riverside San Jacinto Mountains 1524 Comment
  SD137605  Diplacus brevipes Darin L. Banks, Steve Boyd 1995-4-5 160 Riverside Agua Tibia WildernessArea. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail in the N flowing drainage that empties into Arroyo Seco 609 Comment
  CAS-BOT-BC150678  Diplacus longiflorus Carl B. Wolf 1931-5-11 1960 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  CAS-BOT-BC195676  Distichlis spicata H. S. Yates 1937-6-27 20940 Riverside Near Relief Hot Springs Comment
  SEINET7248342 Image available Distichlis spicata Duncan S. Bell, Evan Meyer 2014-1 6493 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; Canyon Spring. 367 Comment
  UCR182540  Distichlis spicata Mitch Provance 2003-7-4 4641 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  UCR240202  Distichlis spicata C. J. Minar 1994-5-7 07 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  SD28015  Ditaxis lanceolata Carl B. Wolf 1932-4-27 3058 Riverside 5.0 miles east of Desert Center, north base of Chuckwalla Mountains. 500 Comment
  UCR214162  Ditaxis lanceolata T. B. Salvato 2010-4-20 4060 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  VVC2196  Ditaxis lanceolata Tim Thomas 2012-8-23 5868 Riverside Colorado Desert, WNW of Blythe, site of Blythe Solar field, at this time it is scheduled to be destroyed. 134 Comment
  RSA719244  Ditaxis lanceolata Michael Honer, Lincoln Hulse 2004-4-3 1908 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  UC218136  Ditaxis serrata var. serrata P. A. Munz and R. D. Harwood 1920-4-3 3577 Riverside 30 mi. w. Blythe 365 Comment
  CAS-BOT-BC43632  Dithyrea californica Le Roy Abrams 1903-4-6 3208 Riverside Palm Springs. Comment
  CAS-BOT-BC43654  Dithyrea californica Aven Nelson; Ruth Nelson 1939-3-28 3303 Riverside South of Mecca. Comment
  CDA24811  Dithyrea californica M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  SEINET3195132 Image available Dithyrea californica Andrew C. Sanders 2010-3-15 37417 Riverside Sonoran (Colorado) Desert; pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe (Roosevelt Mine 7.5' Q.) 134 Comment
  UC665880  Dithyrea californica Ira L. Wiggins 1941-3-24 9563 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCSB2310  Dithyrea californica Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of U.S. 99, & 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  RSA359605  Dodecatheon clevelandii Steve Boyd 1986-3-9 1401 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash 366 Comment
  UCR138806  Dodecatheon clevelandii subsp. clevelandii D. L. Banks, J. Moreno 1997-2-5 1249 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UC22391  Dodecatheon redolens H. M. Hall July, 1901 2335 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicinity Deer Springs 2743 Comment
  JEPS108528  Downingia bella Lisa Schultheis 1995-5-9 145 -95 Riverside Santa Rosa Plateau Preserve. Vernal Pool Trail, off of Via Volcano. Comment
  SD135181  Draba corrugata var. saxosa Craig Reiser, Dylan Hannon 1993-5-30 Riverside Near saddle between Santa Rosa Peak and Toro Peak Comment
  SEINET4568276 Image available Draba crassifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CSUSB548  Draba cuneifolia O. F. Clark 1966-2-3 S. N. Riverside In the Box Springs Mountians east of the east end of Box Springs road 304 Comment
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Jun 4 2012
  RSA381080  Dryopteris arguta R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61181 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  CHSC101725  Dudleya lanceolata Scott D. White; Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 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. 1524 Comment
  RSA262076  Dudleya lanceolata E. W. Lathrop 1966-5-17 6526 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  CAS-BOT-BC173206  Dudleya multicaulis Mitch Provance 2003-4-26 9880 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 427 Comment
  POM66435  Dyssodia porophylloides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA0125223  Echinocereus engelmannii var. engelmannii D. A. Young 1969-4-18 P 416 Riverside 3 miles south of the Deep Canyon Turnoff on the Palms to Pines Highway on the east side of the road. 549 Comment
  UCR93030  Eclipta prostrata Steve Boyd, D. L. Banks 1994-9-29 8370 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  UC2029921  Ehrharta calycina Scott D. White, Tasha LaDoux 20 Apr 2000 7691 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  CAS-BOT-BC414249  Eichhornia crassipes R. E. Riefner, Jr. 2011-10-16 11 -145 Riverside City of Lake Elsinore, W of Hwy 74, S side of Temescal Wash, N side of Baker St., vicinity of Bromley Ave. at Baker St. 380 Comment
  UCR89390  Eleocharis geniculata A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15872 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  CAS-BOT-BC112920  Eleocharis macrostachya Earl W. Lathrop 1968-5-15 6875 Riverside 6 miles west of Murrieta, Mesa de Colorado of Santa Rosa Plateau. 624 Comment
  SD237240  Eleocharis macrostachya D. E. Bramlet 1992-4-3 2207 Riverside Perris-Anguanga Basin Region: 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave and Marvin Hull Road and c. 300 m west of the MWD Canal. 452 Comment
  CAS-BOT-BC113328  Eleocharis montevidensis Peter H. Raven; Sidney R. Snow 1956-6-30 9537 Riverside In a dry creek bed, Dripping Springs Guard Station, Temecula River. Comment
  OBI37477  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd, 0.8 mi E of jtn with 8S01 and 8S02 Comment
  UCR17656  Eleocharis rostellata A. C. Sanders 1975-6-17 0747 Riverside Santa Ana Riverbottom, just upstream from the Salt Lake Railroad bridge 213 Comment
  RSA613950  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge., 117 deg 22.5'W, 34 deg 01'N.) 246 Comment
  POM12148  Elymus elymoides Mary F. Spencer 1921-6-15 1692 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  UC38193  Elymus glaucus H. M. Hall July 1901 2455 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  CAS-BOT-BC203642  Elymus glaucus subsp. glaucus S. B. Parish; W. F. Parish 1881-7-1 1014 Riverside San Jacinto Mts., Tahquitz Valley Comment
  UCR24023  Elymus glaucus subsp. jepsonii John C. Roos 1942-6-20 993 Riverside Peninsular Range; San Jacinto Mtns, Dark Canyon Camp, North Fork San Jacinto River 1829 Comment
  SD136948  Elymus multisetus Steve Boyd, Tim Ross 1992-6-10 7628 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. About Potrero Escondido, due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR201660  Elymus stebbinsii Scott D. White, Justin M. Wood 2008-6-17 12152 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  RSA772583  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5045 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SEINET3091516 Image available Emmenanthe penduliflora Don Mitchell 1990-4-30 Riverside W. side of Sage Road, ca 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' quad) 701 Comment
  SEINET5495371  Emmenanthe penduliflora H. M. Hall 3789 Riverside Vicinity of Riverside 366 Comment
  JOTR32036  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2266 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  UCR157769  Emmenanthe penduliflora var. penduliflora T. B. Salvato, A. C. Sanders 2005-5-17 906 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
  POM4934  Encelia actoni Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto. Comment
  UCSB18955  Encelia californica Wright, David 1963-5-5 Riverside State Highway 74, about 6.8 miles S of Dead Indian Creek 1066 Comment
  HSC84144  Encelia farinosa Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtns.; 1 mi. up Bee Canyon off of Hwy. 74 457 Comment
  LA202444  Encelia farinosa T. A. Geissman; 1968-3-23 32368 -EFW Riverside On Morongo Valley hwy near Whitewater turnoff Comment
  SBBG25003  Encelia farinosa D. Myrick 1966-4-1 1320 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  UCD20081  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -212 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  SEINET11859836  Encelia farinosa Unknown 1936-4-21 12748 Riverside Colorado Desert N of Palm Springs Comment
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Oct 7 2017
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 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
  CAS-BOT-BC131415  Encelia frutescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm [Spring] Springs 60 Comment
  SEINET3406122 Image available Ephedra R. F. Thorne, M. Z. Thorne 1973-3-30 42689 Riverside Colorado Desert; Little San Bernaardino Mountains region; Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs. 488 Comment
  RSA383877  Ephedra californica H. de Forest 1929-4-15 s.n. Riverside Between Whitewater & Palm Spring. Open Desert. Comment
  RSA0121417  Ephedra fasciculata Duncan S. Bell, LeRoy Gross 2016-3-31 9187 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  RSA19084  Ephedra viridis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs. Colorado desert. Comment
  RSA761223  Epilobium canescens Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 710 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC171743  Epilobium canum subsp. latifolium F. W. Peirson 1922-12-27 3336 Riverside Andreas Canyon between forks and at North Fork, where trail branch comes down, Colorado Desert Comment
  RSA356607  Epilobium canum subsp. latifolium Robert F. Thorne 1966-10-15 41818 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA509568A  Epilobium ciliatum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR94929  Epilobium ciliatum Scott D. White 1996-8-15 4464 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  POM158194  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1928-9-6 11277 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. 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
  UC2030091  Epilobium densiflorum Scott D. White 2000-8-5 8108 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  UCR24195  Epipactis gigantea John C. Roos 1942-5-2 1129 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. South entrance, Cottonwood Spring 915 Comment
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Apr 5 2011
  UC1931213  Equisetum arvense Scott D. White, Justin Wood 2008-7-8 12373 Riverside SAN JACINTO MTS: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. Comment
  RSA761326  Equisetum laevigatum Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 684 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR123836  Equisetum laevigatum Steven R. Hill 2001-4-29 33531 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
  RSA21763  Eremalche exilis Carl B. Wolf 1937-4-6 8435 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  UCR166193  Eremalche exilis Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  UC1168715  Eremalche rotundifolia Peter H. Raven 1958-2-15 11567 Riverside Corn Springs Chuckwalla Mts., Corn Springs Comment
  UC871321  Eremalche rotundifolia C. L. Hitchcock 1940-4-4 5955 Riverside Pinto Basin Comment
  UCR148481  Eremalche rotundifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  JEPS22518  Eremothera boothii subsp. condensata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6192 Riverside 9.4 mi n Blythe; base of Big Maria Mts. 167 Comment
  UC106845  Eriastrum densifolium subsp. austromontanum C. R. Orcutt 1896-7-24 7 Riverside Hammett Valley San Jacinto Mts. Comment
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Dec 20 2009
  UC23525  Eriastrum densifolium subsp. austromontanum H. M. Hall July, 1901 2384 Riverside San Jacinto Mountains; s side 1584 Comment
  UC880215  Eriastrum densifolium subsp. austromontanum I. W. Clokey and E. G. Anderson 1935-8-21 6829 Riverside e Keen Camp P.O. 1350 Comment
  JEPS24948  Eriastrum diffusum P. A. Munz and I. M. Johnston 1922-5-6 5169 Riverside Dry Morongo Wash Little San Bernardino Mountains Comment
  UCR263236  Eriastrum eremicum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41483 Riverside San Gorgonio Pass, 3.15 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 449 Comment
  JOTR16792  Eriastrum eremicum subsp. eremicum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  SD249590  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  UCR231763  Eriastrum sapphirinum John F. Green 2008-4-23 09- 08 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  RSA0121565  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1949-6-3 4154 Riverside Temecula. 762 Comment
  SD181418  Eriastrum sapphirinum subsp. sapphirinum Scott D. White 2000-8-5 8111 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River) (Idyllwild) 1402 Comment
  SEINET5727172 Image available Ericameria cuneata var. spathulata Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7092 Riverside Joshua Tree National Park; ca. 1.7 mi SE of jct. of the road to Cottonwood Headquarters and the road to the town of Joshua Tree; near the White Tank campground.; Joshua Tree National Park Comment
  RSA171381  Ericameria linearifolia J. D. Olmsted 1962-5-3 3508 Riverside San Jacinto Mts 1616 Comment
  CAS-BOT-BC298880  Ericameria nauseosa var. bernardina H. E. McMinn 1925-7-2 1503 Riverside Tahquitz Trail to Tahquitz Pk, San Jacinto Mt Comment
  RSA602647  Ericameria nauseosa var. bernardina Scott D. White 1996-8-16 4488 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  CAS-BOT-BC299120  Ericameria nauseosa var. mohavensis Edmund C. Jaeger 1938-10-21 s.n. Riverside Joshua Tree National Monument, 15 miles S of Warren's Well, Little San Bernardino Mts 1280 Comment
  RSA249473  Ericameria parishii John F. Emmel 1972-8-20 409 Riverside Firebreak on Chalk Hill, just S of Idyllwild, San Jacinto Mts. 1616 Comment
  RSA741266  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA0125104  Ericameria pinifolia Duncan S. Bell 2016-10-27 10213 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  SEINET7062959  Erigeron foliosus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  UCR241652  Erigeron foliosus T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 327 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  CAS-BOT-BC296241  Erigeron foliosus var. foliosus F. Grinnell 1908-7-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UCR111988  Eriochloa aristata A. C. Sanders, T. B. Salvato 2000-4-27 23375 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
  UCR49192  Eriochloa aristata A. C. Sanders 1985-12-22 5962 Riverside Sonoran (Colorado) Desert, Coachella Valley, 1/4 mi NW of Valerie Jean, west of Hwy 86 -30 Comment
  CLARK-A1528-541  Eriodictyon crassifolium Charlotte Stocks 1962-6-13 Riverside San Jacinto Mountains Comment
  POM320435  Eriodictyon crassifolium Greg Wright 1971-4-17 13 Riverside Corona Skyline Drive, Cleveland National Forest, SW of Corona. Before ascending the Mtns. Santa Ana Mts. 366 Comment
  RSA455017  Eriodictyon crassifolium Elbert Benjamine 1929-5-18 233 Riverside Mt. San Jacinto. Comment
  SDSU65  Eriodictyon crassifolium var. crassifolium Gerald Collier 1951-5-26 Riverside 15 miles east of Hemet. Dry rocky slopes. St. Hwy. 74. SanJacinto Mountains. San Bernadino National Forest. Comment
  RSA0056443  Eriodictyon crassifolium var. crassifolium Norman C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  UC219595  Eriodictyon trichocalyx var. lanatum P. A. Munz 1922-6-25 5816 Riverside Santa Rosa; Santa Rosa Mts., Santa Rosa 1524 Comment
  UCR193731  Eriogonum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35649 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR193863  Eriogonum A. C. Sanders, Mitch Provance 2008-7-11 35816 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
  CLARK-A1528-3617  Eriogonum apiculatum John C. Roos 1946-8-27 2925 Riverside Santa Rosa Mountains 2194 Comment
  RSA627513  Eriogonum apiculatum Scott D. White, Julie Greene 1998-8-1 6973 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA666776  Eriogonum davidsonii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  RSA766419  Eriogonum davidsonii Joseph A. Ewan 1928-8-28 1517 Riverside Strawberry Valley. San Jacinto Mtns. 1616 Comment
  SD60831  Eriogonum davidsonii Peter H. Raven 1956-6-30 9544 Riverside Deserty flats 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  UCD99872  Eriogonum davidsonii G. L. Webster; R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., Yucca-Juniperus parkland at Split Rock. Comment
  UCR224178  Eriogonum deflexum Justin M. Wood, Dustin M. Ray 2010-10-21 2990 Riverside Colorado (Sonoran) Desert, Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road c. 1 mi north of Desert Center Landfill at proposed Eagle Mountain Solar Site 205 Comment
  CAS-BOT-BC256123  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 a Riverside Hayfield, 5 mi. W of Desert Center Comment
  POM8641  Eriogonum deflexum var. deflexum P. A. Munz, R. D. Harwood 1920-4-8 3570 Riverside Ford's Well west of Blythe. Comment
  RSA0081621  Eriogonum deflexum var. deflexum Jim M. Andre 2012-4-11 20832 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA735221  Eriogonum deflexum var. deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11244 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
  RSA766324  Eriogonum deflexum var. deflexum Susan Hutchinson 1932-9-20 4082 Riverside Blythe to Desert Center Chuckawalla Valley. 152 Comment
  RSA799254  Eriogonum deflexum var. deflexum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 734 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UC161847  Eriogonum deflexum var. deflexum Mrs. F. Stephens 1902-8-20 Riverside Chuckwalla Mt Comment
  RSA346255  Eriogonum elongatum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54061 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SEINET6417985  Eriogonum elongatum Andrew C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills; Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 549 Comment
  SDSU6516  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 278 Riverside Along road, South side of Lake Matthews. Comment
  UCR176185  Eriogonum fasciculatum subsp. polifolium Amber Bruno 2005-6-7 54 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR176889  Eriogonum fasciculatum subsp. polifolium Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  RSA766511  Eriogonum fasciculatum var. flavoviride Lawrence Saylor 1935-3-24 207 Riverside Cottonwood Springs. Comment
  POM99016  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside White Tanks, Pinto Mountains. Comment
  CAS-BOT-BC250137  Eriogonum fasciculatum var. polifolium Edmund C. Jaeger 1932-5-12 s.n. Riverside Cottonwood, near Sage, south of Hemet Comment
  RSA33572  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-5-6 1200 Riverside Whitewater Canyon. 457 Comment
  RSA393338  Eriogonum fasciculatum var. polifolium E. Crow 1929-2-24 182 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  UC849406  Eriogonum fasciculatum var. polifolium Alice Eastwood 1913-4-30 3020 Riverside Palm Springs Comment
  UCR178008  Eriogonum gracile T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 605 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA393247  Eriogonum gracile var. gracile T. W. Minthorn 1925-7-4 s.n. Riverside Near Perris. Comment
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Nov 17 2011
  UCR24943  Eriogonum gracile var. gracile A. C. Sanders 1980-7-18 1636 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA588814  Eriogonum gracile var. incultum D. L. Banks, S. D. Boyd 1995-10-17 767 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
  CLARK-A1528-742  Eriogonum inflatum P. A. Rauch 1966-2-19 Riverside 60 Comment
  SJSU9502  Eriogonum inflatum R. C. McGehee 1970-4-15 197 Riverside Wileys Well c. 6 mi SW of Blythe Comment
  RSA393582  Eriogonum inflatum var. inflatum H. de Forest 1929-3-16 s.n. Riverside Painted Canyon near Mecca Comment
  UCR24321  Eriogonum maculatum John C. Roos 1958-9-28 s.n. Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  CAS-BOT-BC270594  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idylewild, San Jacinto Mountains 1615 Comment
  UCR118185  Eriogonum molestum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  RSA783813  Eriogonum molestum var. davidsonii John Olmsted 1950-6-15 182 Riverside Hurkey Cr. into Hemet Lake and San Jacinto Rd. drainage area: Cedar Crest Rd. 1 mi E of Hurkey Cr. crossing (turn E 4 mi S of Mt. Center) 1372 Comment
  CAS-BOT-BC269788  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-9 2855 Riverside San Jacinto Mountains, along California Highway 74 at the turnoff to the Idyllwild Mile-Hi Trap Club, about 1 mile west of California Highway 243 Comment
  RSA761986  Eriogonum nudum var. pauciflorum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 728 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS56474  Eriogonum pusillum W. L. Jepson 1928-4-25 12605 Riverside in wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  JOTR30654  Eriogonum pusillum Andre, Jim, Tasha La Doux 2008-3-21 8838 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  UCSB18463  Eriogonum pusillum Schevill, Peggy 1963-5-5 Riverside State Highway 74; about 5 miles N-NW of Pinyon Flats Campground 731 Comment
  POM293157  Eriogonum saxatile Lyman Benson 1946-4-15 12041 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UC218022  Eriogonum saxatile P. A. Munz and I. M. Johnston 1922-5-6 5232 Riverside Smith Water Canyon Little San Bernardino Mts., Smith Water Canyon 1219 Comment
  CAS-BOT-BC263542  Eriogonum thomasii Ira L. Wiggins 1937-3-9 8758 Riverside 5 miles west of Shaver's Well Comment
  JEPS56259  Eriogonum thomasii W. L. Jepson 1927-4-11 11624 Riverside Whitewater Bridge 457 Comment
  RSA424960  Eriogonum thomasii M. B. Dunkle 1933-3-4 3034 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA766144  Eriogonum thomasii F. W. Peirson 1930-3-29 1897 Riverside Painted Canyon Comment
  UC634999  Eriogonum thomasii H. L. Mason 1928-3-10 4190 Riverside White Water River Comment
  UC849590  Eriogonum thomasii Aven Nelson, Ruth A. Nelson 1939-3-30 3351 Riverside near Desert Center (n of Chuckwalla Mts.) Comment
  UCR72234  Eriogonum thomasii Theo Glenn 1991-5-24 91- 131 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  UCR74367  Eriogonum thomasii Theo Glenn 1991-5-2 91- 11 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  CAS-BOT-BC263588  Eriogonum trichopes Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center Comment
  JEPS56110  Eriogonum wrightii var. membranaceum Marjorie D. Clary 1932-8-21 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  LA207115  Eriogonum wrightii var. membranaceum H. Lewis; 1939-10-22 1026 Riverside San Jacinto Mountains, Idyllwild Comment
  POM12412  Eriogonum wrightii var. membranaceum P. A. Munz 1922-9-6 6360 Riverside Near Dark Canyon. 1524 Comment
  RSA420618  Eriogonum wrightii var. membranaceum Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  POM184163  Eriogonum wrightii var. nodosum M. French Gilman 1932-11-30 11 Riverside Whitewater Point. Comment
  POM31121  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Palm Springs, in the lower sonoran zone of the Colorado Desert. 150 Comment
  CAS-BOT-BC297338  Eriophyllum confertiflorum Philip A. Munz 1937-5-30 15096 Riverside N of Vandeventer Flat, Santa Rosa Mts 1676 Comment
  CAS-BOT-BC297351  Eriophyllum confertiflorum P. C. Everett 1935-6-18 7185 Riverside Santa Ana Mts, main divide motorway to Santiago Peak, 1 mile from Ortega Highway 731 Comment
  POM256950  Eriophyllum confertiflorum W. Pequegnat 1940-5-17 s.n. Riverside Bedford Truck Trail, Santa Ana Mountains. 426 Comment
  RSA342566  Eriophyllum confertiflorum R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54073 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR180696  Eriophyllum confertiflorum Mitch Provance 2003-4-26 9884 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR260536  Eriophyllum confertiflorum T. B. Salvato 2014-5-29 8054 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  SBBG54342  Eriophyllum confertiflorum var. confertiflorum C. Davidson 1978-6-15 7392 Riverside Santa Rosa Pk, trail to the top 2407 Comment
  SEINET8753414 Image available Eriophyllum confertiflorum var. trifidum Norman C. Cooper 1944-1 1185 Riverside Banning 701 Comment
  POM8304  Eriophyllum multicaule P. A. Munz, R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon. 366 Comment
  UCR174321  Eriophyllum multicaule A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32560 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA92511  Eriophyllum multicaule F. W. Peirson 1928-4-19 7842 Riverside Hills N of Elsinore 457 Comment
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Oct 23 2011
  UCR87145  Eriophyllum wallacei A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-15 16121 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA680848B  Erodium botrys Scott D. White, Michael Honer 2003-4-2 8905 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR104888  Erodium brachycarpum A. C. Sanders 1997-3-19 20013 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  UC17078  Erodium cicutarium Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UC217947  Erodium texanum P. A. Munz, D. Keck 1922-4-13 4923 Riverside Hayfield Colorado Desert, Chuckwalla Valley 152 Comment
  UC1483307  Eryngium aristulatum var. parishii Robert F. Thorne 1974-5-23 44662 Riverside top of Mesa de Colorado (w. edge of mesa n.w. of large vernal marsh, Rancho California, Santa Rosa Plateau); Santa Rosa Plateau, Rancho California 624 Comment
  UC1034748  Erysimum capitatum G. B. Rossbach 1955-4-28 585 Riverside on Route 74 2 mi e Santa Rosa summit (nw end of mts); Santa Rosa Mts. 1502 Comment
  UC410726  Erysimum capitatum Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  RSA0019318  Erythranthe guttata R. S. Woglum 1937-5-22 549 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  UCR91922  Eschscholzia californica A. C. Sanders, O. F. Clarke 1996-4-13 18032 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA495449  Eschscholzia californica subsp. californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2977 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SEINET3005002  Eschscholzia glyptosperma G. Rink 2011-4-4 10430 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  CAS-BOT-BC474565  Eschscholzia minutiflora Shannon M. Still 2009-2-21 438 Riverside Unspecified 223 Comment
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Sep 2 2017
  JEPS89162  Eschscholzia minutiflora Rimo Bacigalupi and L. Heckard 1962-3-21 8342 Riverside 2.3 mi below and sw Shavers Well (along CA Hwy 195); Box Canyon Wash 243 Comment
  UCR88121  Eschscholzia minutiflora A. C. Sanders, G. Nuhn 1995-4-20 16598 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
  CAS-BOT-BC5931  Eschscholzia minutiflora var. parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Eastern slope of San Bernardino Mt., Whitewater. Comment
  GMDRC7790  Eschscholzia papastillii J. M. Andre 2015-3-6 33553 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  UCD96516  Eschscholzia papastillii Shannon M. Still; Robert Lee 2009-3-3 456 Riverside California. Riverside County: Joshua Tree National Park. 634 Comment
  RSA0023225  Eschscholzia papastillii A. Menke 1955-4-26 s.n. Riverside 4 miles east of Mecca, near Coachella Canal. Comment
  CAS-BOT-BC419624  Eschscholzia parishii Frank W. Peirson 1927-4-12 7167 Riverside Painted Canyon. At the Forks Comment
  CAS-BOT-BC419633  Eschscholzia parishii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2176 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  JEPS24880 Image available Eschscholzia parishii Peter M. Ray 1949-3-6 1339 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  JOTR36434  Eschscholzia parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3405 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
  SEINET10904736  Eschscholzia parishii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3753 Riverside Found in wash above quad 6. Indio hills, colorado desert. Near pushawalla. Comment
  UCR234267  Eucalyptus camaldulensis A. C. Sanders, John F. Green 2012-3-20 39978 Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy 389 Comment
  UC1608077  Eucalyptus tereticornis D. Goodward April 1987 27 Riverside s. of Alessandro Blvd. near Nason St., Eucalyptus irrigation plot, Tree R1T9 U.C. Riverside Moreno Valley Field Station; Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  RSA0123082  Eucrypta micrantha Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8975 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA78475  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17504 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  SD239815  Eugenia uniflora A. C. Sanders, T. B. Salvato 2012-2-8 39961 Riverside Peninsular Range: Riverside, south side of UCR campus at old C.E.S. Director's garden, S of South Campus Dr., near College Building North (Riverside East 7.5'Q) 353 Comment
  RSA0089216  Eulobus californicus Jim M. Andre 2015-3-2 31355 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  CLARK-A1528-2490  Euonymus occidentalis subsp. parishii John C. Roos 1941-8-2 Riverside San Jacinto Mountains Comment
  RSA433522  Euphorbia eriantha Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  RSA615334  Euphorbia eriantha George K. Helmkamp 1998-2-18 2691 Riverside Sonoran (Colorado) Desert Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR108728  Euphorbia micromera Scott D. White, Sandy Leatherman 1998-4-15 6294 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  UCR5294  Euphorbia micromera O. F. Clarke 1966-10-5 661005- 25 Riverside Santa Rosa Mtns./ Sonoran (Colorado) Desert, University of Calif, Riverside Reserve [Deep Canyon], Big Horn Drive [to?] Royal Carrizo Rd 915 Comment
  UCR132715  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  UCR136202  Euphorbia polycarpa A. C. Sanders 2004-6-20 28225 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., hilltop above I-15, SW of main clay pits 378 Comment
  UCR5293  Euphorbia polycarpa var. hirtella O. F. Clarke 1966-10-5 661005- 02 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  CLARK-A1528-441  Euphorbia serpyllifolia C. M. Flanagan 1973-6-13 OO 717 Riverside Morongo Indian Reservation 1127 Comment
  RSA675054  Euphorbia setiloba Scott D. White, Bill La Haye 2001-4-28 8434 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  SEINET10741473  Eustoma exaltatum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12840 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
  SBBG119060  Euthamia occidentalis S. D. White with A. Carey 2004-9-16 10758 Riverside Indian Crk watershed, above confluence with San Jacinto River; T1E R5S S2, NE 1/4 579 Comment
  UC74007  Euthamia occidentalis F. M. Reed 1904-11-5 669 Riverside West Riverside on Evans Ranch above Chinese gardens Comment
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Jan 14 2010
  POM10036  Fagonia laevis Charlotte M. Wilder 1907-4-9 778 Riverside border of warsh from Palm Canyon. Colorado Desert Comment
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Mar 12 2011
  RSA480018  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2147 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCSB9705  Fagonia laevis Krogen, Roger 1957-1 Riverside 4 mi. S of jct. .of HWY 195 and 60-70 at N.edge of Orocopia mts Comment
  JOTR31943  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2181 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA0042384  Fagonia pachyacantha Duncan S. Bell, LeRoy Gross 2014-3-13 6233 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  CAS-BOT-BC56788  Ferocactus cylindraceus Alice Eastwood 1913-4-30 3091 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR93058  Festuca myuros Steve Boyd 1986-4-2 1626 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  JOTR35351  Festuca octoflora Andre, Jim 2012-4-11 20680 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
  LA13139  Festuca octoflora F. R. Fosberg; 1932-3-13 8100 Riverside Coachella Valley, Thousand Palms Canyon 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
  UCR2415  Festuca octoflora F. M. Reed 1935-4-12 9236 Riverside San Jacinto River bottom, 5 mi south of Perris 427 Comment
  RSA717499  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-10 11119 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA496369  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3043 Riverside Vail Lake area, 0.75 mile NW of dam, S flank Oak Mountain 622 Comment
  RSA716822  Filago californica A. C. Sanders, Teresa B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR213280  Filago californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37693 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  RSA586917  Filago depressa D. L. Banks, Steve Boyd 1995-5-3 0252 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR279534  Filago depressa A. C. Sanders, Jim Malusa 2017-3-25 43015 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
  CAS-BOT-BC304296  Flaveria A. C. Sanders 1981-10-31 2392 Riverside McKinley St between Riverside and Corona, 0.3 mile N of Highway 91 and +-100 yds W of McKinley 304 Comment
  RSA171368  Forestiera pubescens J. D. Olmsted 1962-5-3 3542 Riverside N of Santa Rosa Indian Reservation. 1372 Comment
  NY43292  Fouquieria splendens C. R. Annable 1995-3-11 2269 Riverside Rest stop on I-10 Comment
  RSA0018447  Fragaria vesca F. W. Peirson 1922-5-19 3038 Riverside San Jacinto River. 1143 Comment
  SD229247  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-18 700 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
  RSA0018986  Frangula californica subsp. cuspidata Peter H. Raven, Richard Snow 1957-7-26 11117 Riverside 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  SEINET1004423  Frankenia salina A. C. Sanders 2004-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region; Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi e of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun city 457 Comment
  UCR133662  Frankenia salina Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  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
  UCR59803  Frankenia salina Jeri Hirshberg 1989-7-20 s.n. Riverside Vicinity of Lake Skinner: drainage west of dam Comment
  RSA392143  Frasera parryi M. B. Dunkle 1933-7-20 3694 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC1929297  Fraxinus dipetala Scott D. White, Justin Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  UCR127546  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UC1979596  Fremontodendron californicum subsp. californicum D. L. Banks, Victor Steinmann 1995-7-10 0755 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage S of the peak Agua. Comment
  RSA524592  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of Big Oak Mountain, N of lake. 793 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
  RSA475291  Funastrum hirtellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2099 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  LA35621  Galium andrewsii Ronald A. Cross; April 1952 - May 1952 Riverside California State Hwy. 74 near Santa Rosa Summit (aprox. 3 Mi. south) Comment
  POM172216  Galium andrewsii subsp. andrewsii M. French Gilman 1928-5-27 1155 Riverside Banning. Comment
  SD187471  Galium angustifolium Scott D. White, Angelia Carey 2004-4-16 10185 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 116 Comment
  JEPS56066  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4247 Riverside Little Thomas Mountain Rd 1/2 mi w Spillway Creek; San Jacinto Mts. 1463 Comment
  JEPS56071  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4245 Riverside Black Mountain Rd 1/2 mi below Cinco Poses Spring (open s-facing slope); San Jacinto Mts. 2133 Comment
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May 13 2008
  POM337416  Galium angustifolium subsp. angustifolium F. R. Fosberg 1929-5-3 S 1029 Riverside Head of Temecula Valley. Comment
  RSA750539  Galium angustifolium subsp. angustifolium Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12589 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  UCR217520  Galium angustifolium subsp. jacinticum Jeff B. Galvin 2010-8-6 98 Riverside San Jacinto Mountains, 108m east of Hwy 243, west of Fern Basin 1782 Comment
  CDA6663  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Avenue, San Jacinto Valley. Comment
  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
  CAS-BOT-BC178388  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside By Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N Slope Santa Rosa Mts. 1097 Comment
  RSA788813  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50777 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UC2030126  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38085 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  UCR92793  Gazania longiscapa Scott D. White 1994-3-29 1932 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CAS-BOT-BC303584  Geraea canescens Mrs. Robert Campbell 1921-11-26 5 Riverside Between Palm Springs and Indian Wells Comment
  POM358662  Geraea canescens N. C. Cooper 1944-5-20 2633 Riverside Palm Springs. 137 Comment
  POM8096  Geraea canescens P. A. Munz, R. D. Harwood 1920-4-3 3572 Riverside Ford's Well west of Blythe. 305 Comment
  SD27952  Geraea canescens Carl B. Wolf 1932-4-26 2968 Riverside Colorado Desert, 3 miles east of Mecca on Blythe Road. Comment
  SEINET3132384  Geraea canescens S. B. Parish 1907-4-19 6079 Riverside W borders of Colorado desert 150 Comment
  UC727401  Geraea canescens Rateaver 1944-1-30 38 Riverside along trail of entrance to Palm Village Comment
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Mar 13 2014
  UCD132579  Geraea canescens Francis M. Ball 1964-2-15 66 -21 Riverside 2 miles north of 1000 Palms. Comment
  UCR60797  Geraea canescens Steve Boyd, O. Mistretta 1986-3-13 1441 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR177402  Gilia Marisa Sripracha, K. A. Boyd 2004-3-21 053 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA180286  Gilia angelensis E. W. Lathrop 1960-3-25 4684 Riverside 14 miles west of Murrieta. Comment
  RSA688862  Gilia angelensis Scott D. White, Michael Honer 2003-5-13 9240 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UC1595709  Gilia angelensis W. Wisura, A. King, and L. Newcomb 1992-4-10 4673 Riverside n of West Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  UC494754  Gilia angelensis Philip A. Munz 1932-3-24 12024 Riverside n Elsinore; n of Elsinore 304 Comment
  UC52692  Gilia angelensis H. M. Hall 1897-3-13 389 Riverside Wildomar Comment
  UCR116010  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  SEINET1909895  Gilia capitata T. B. Salvato, John F. Green 2004-1 559 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  RSA741207  Gilia capitata subsp. abrotanifolia Scott D. White, Justin M. Wood 2008-5-15 11960 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA796519  Gilia capitata subsp. abrotanifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49729 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR26282  Gilia capitata subsp. abrotanifolia John C. Roos, L. Roos 1952-4-27 5585 Riverside San Timoteo Canyon, south of Redlands 427 Comment
  SD7672  Gilia diegensis May 1881 Riverside Temecula Comment
  UCR193266  Gilia ochroleuca A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35571 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1585 Comment
  CAS-BOT-BC407618  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3111 Riverside Temescal Canyon Comment
  RSA0017052  Gilia ochroleuca subsp. exilis A. C. Sanders, S. Hawkins 1996-4-24 18071 Riverside Morongo Indian Reservation, in Hathaway Canyon near Burro Flats. 915 Comment
  RSA0017279  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6086 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR101590  Gilia scopulorum 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
  UC879878  Gilia stellata C. L. Hitchcock 1940-4-3 5931 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree National Monument); Johusa Tree National Monument, ne of Cottonwood Spring Comment
  UCR1643  Gilia stellata William G. Truesdell 1962-3-25 32562- 3 Riverside San Bernardino Mtns./Western Colorado Desert, Whitewater Canyon, 1 mile from Hwy 60 457 Comment
  UC39037  Glyceria elata H. M. Hall Jul 1901 2457 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  UCR112518  Gnaphalium californicum Mitch Provance 1998-2-6 23 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  UCR135981  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27903 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  RSA502197  Gnaphalium chilense Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3705 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UCR156463  Gnaphalium luteoalbum T. B. Salvato, A. C. Sanders 2005-5-17 889 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
  CAS-BOT-BC307399  Gnaphalium palustre A. C. Sanders; Guy Bruyea 2003-6-12 26886 Riverside Winchester, SW edge of town between Simpson Ave. and Olive Ave. ca. 1 km west of Hwy 79/Winchester Road 445 Comment
  RSA556437  Gnaphalium palustre Julie Greene 1993-4-17 1194 Riverside West of Davis Road. 433 Comment
  UCR85639  Gnaphalium palustre A. C. Sanders 1993-4-5 13688 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCR98700  Gnaphalium stramineum 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
  UC10947  Guillenia lasiophylla H. M. Hall 1897-3-20 405 Riverside Gavilan Comment
  UCR217796  Guillenia lasiophylla Jim Andre, T. La Doux 2010-2-28 12558 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  SDSU16684  Gutierrezia sarothrae Francis H. Bozzolo 2006-4-16 6 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  UCR91875  Gutierrezia sarothrae A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15901 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  SEINET3242790 Image available Harpagonella palmeri Steve Boyd 1986-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate Comment
  UCR59758  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3045 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  UCR99159  Harpagonella palmeri A. C. Sanders, G. Helmkamp 1997-3-15 19993 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA0066608  Harpagonella palmeri Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4605 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  SDSU17518  Hedypnois cretica Jerry Jenkins 2001-4-1 2001 -029 Riverside Santa Margarita Ecological Reserve. Edge of avacado grove west of station and just above river. UTM zone 6, 481900E, 3699200N. UTM transfered to GIS. Comment
  CAS-BOT-BC211541  Helianthemum scoparium John Thomas Howell 1928-7-8 1046 Riverside Santa Ana Mts. above Glen Ivy 1219 Comment
  SBBG8404  Helianthus niveus H. and M. Dearing 1942-3-21 4836 Riverside Cathedral City, near Palm Springs Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA544427  Heliotropium curassavicum var. oculatum Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6332 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  CLARK-A1528-1917  Hemizonia fasciculata John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  POM360280  Hemizonia fasciculata Christopher Davidson 1977-5-25 5657 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  UCR3502  Hemizonia kelloggii Frances Miller 1964-5-20 M- 6456 Riverside N Peninsular Range/San Bernardino Valley, base of Box Springs Mtns., 1/4 mi north of end of Big Springs Rd, above RR 366 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
  UCR229498  Hemizonia paniculata Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  SEINET7012370  Hemizonia paniculata Wanda P. Vestal, A. G. Vestal 1955-4-21 153057 Riverside At base of Gavilan Hills, west of Perris. Comment
  RSA617986  Hemizonia pungens subsp. laevis R. E. Riefner 1998-10-15 98 -518 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  RSA722927  Hemizonia pungens subsp. laevis R. E. Riefner Jr., K. Campbell 2007-5-19 07 -209 Riverside Temecula, Western Bypass Rd near Hwy 79; end of Western Bypass Rd at Murrieta Creek. 309 Comment
  UCR68036  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-5-19 1875 Riverside Perris-Aguanga Basin region, Domengoni-Diamond Valley, c. 100 m SE of intersection of Newport Rd. and Los Hermanos Rd. [site now under water of Diamond Valley Reservoir] 518 Comment
  RSA695597  Hemizonia wrightii Keith E. Hoffmaster 1937-6-6 s.n. Riverside Near Valle Vista, Hemet Valley. Comment
  CAS-BOT-BC508663  Hesperocallis undulata Mrs. Jos. Clemens 1922-4-10 s.n. Riverside Mecca Comment
  UCR90751  Hesperocnide tenella Scott D. White 1995-4-5 2754 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  POM13121  Hesperolinon micranthum P. A. Munz, I. M. Johnston 1922-5-19 5336 Riverside 5 miles NE of Murrieta 518 Comment
  SD136992  Hesperoyucca whipplei Steve Boyd, Tim Ross 1992-5-4 7200 Riverside Southern Santa Ana Mountains; San Mateo County Wilderness Area; Oak flats area east of Verduga Potrero. 730 Comment
  UC748990  Heteromeles arbutifolia Susan Delano McKelvey 1935-12-3 5030 Riverside Palms to Pines Highway San Jacinto Mts. (near top of divide leading down to Hemet) Comment
  UCR136161  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR174367  Heteromeles arbutifolia A. C. Sanders 2006-5-19 32408 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
  UCR270747  Heteromeles arbutifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8351 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA0075890  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 Comment
  POM12887  Heuchera hirsutissima P. A. Munz 1922-7-7 6044 Riverside Summit of San Jacinto Peak. 3287 Comment
  RSA0104950  Heuchera hirsutissima Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8567 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  RSA0066124  Heuchera hirsutissima L. B. Ziegler 1969-7-1 s.n. Riverside North face of San Jacinto Mts. 2346 Comment
  RSA0011484  Heuchera rubescens Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4990 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA775661  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 806 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SEINET8481391 Image available Hibiscus denudatus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40636 Riverside Sonoran (Colorado) Desert; Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR2461  Hilaria rigida F. M. Reed 1927-3-19 5670 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, east of Mecca 213 Comment
  UCSB24967  Hilaria rigida Keefe, Joseph 1967-3-23 Riverside Above Twentynine Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley 777 Comment
  SEINET953934  Hoffmannseggia microphylla T. R. Van Devender, R. K. Van Devender 1986-1 86 -207 Riverside Cactus City Rest Area, Interstate Highway 10, about 23 miles east of Indio. Comment
  UCR202606  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR189804  Hordeum intercedens Theresa Johnson 2007-5-9 343 Riverside Peninsular Range, San Jacinto Wildlife Area; c. 500 m west of Davis Road, southwest of riparian area Comment
  POM352490  Hordeum marinum subsp. gussoneanum Christopher Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  RSA87059  Hordeum murinum subsp. glaucum F. W. Peirson 1921-3-22 4337 Riverside Murray Canyon, near Palm Springs 396 Comment
  UCR4670  Horkelia clevelandii Frank C. Vasek 1964-7-19 640719- 04 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  RSA433951  Horsfordia alata Marjorie D. Clary 1930-04 s.n. Riverside Canyon near Coachella 19 Comment
  RSA5352  Hulsea heterochroma B. D. Stark 1932-6-5 3706 Riverside Hemet to Idyllwild Road, San Jacinto Mts 1524 Comment
  RSA360714  Hulsea vestita subsp. callicarpha N. R. Zabriskie, Walter Zabriskie 1970-5-17 299 Riverside Strawberry Firebreak, south of end of Marion Ridge rd., Pine Cove San Jacinto Mts. 1920 Comment
  CAS-BOT-BC312603  Hulsea vestita subsp. parryi C. F. Saunders 1915-6-1 s.n. Riverside Summit San Jacinto Comment
  POM361068  Hymenoclea salsola Ora M. Clark 1929-3-27 1747 Riverside La Quinta Canyon, Colorado Desert. Comment
  CHSC99604  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  UCR18648  Hymenopappus filifolius var. lugens Frank C. Vasek 1973-6-8 730608- 12 Riverside Santa Rosa Mtns, 1 mi above Garnet Queen Creek, at large curve in road 2073 Comment
  CAS-BOT-BC219764  Hyptis emoryi F. O. Ballou 1926-2-25 s.n. Riverside Painted Canon [Canyon] near Mecca Comment
  RSA5174  Hyptis emoryi Carl B. Wolf 1932-4-26 2984 Riverside Colorado Desert, 8 miles east of Mecca on Blythe road 91 Comment
  UC1547001  Hyptis emoryi Leila M. Shultz and John S. Shultz 1985-4-18 8340 Riverside northern extension Chuckawalla Mountains; northern extension Chuckawalla Mountains 182 Comment
  SEINET10498863  Hyptis emoryi David B. Dunn 1947-2-9 Dunn 2855 Riverside Pushawalla canyon, indio hills. In dry wash bed. Comment
  SEINET13948493 Image available Hyptis emoryi Lewis S. Rose 1946-1 46308 Riverside Dead Indian Creek Wash, Palms-to-Pines Highwa, 900 ft al, 7 miles SW of Indian Wells 274 Comment
  CLARK-A1528-1240  Imperata brevifolia John C. Roos 1965-7-22 Riverside Palm Springs 149 Comment
  UCR19014  Imperata brevifolia John C. Roos 1965-7-22 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs Comment
  RSA314398A  Isocoma acradenia var. eremophila R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55404 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA500162  Isolepis cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3638 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  CLARK-A1045-325  Isomeris arborea var. angustata George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  SD186089  Iva axillaris A. C. Sanders 2004-6-20 28213 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, northeast side of the I-15 Fwy., south of Clay Canyon Rd. 305 Comment
  JEPS44442  Ivesia callida H. M. Hall Sep 1923 2611 Riverside Tahquitz Peak; Mt. San Jacinto Comment
  JOTR16835  Ivesia saxosa Moore, Sue 1968-5-13 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  POM47847  Jepsonia parryi H. Baer 1923-11-5 s.n. Riverside Rice Canyon, Elsinore. Comment
  UCR101655  Juglans nigra A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22231 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  UCR189776  Juglans nigra Kimberly Skahan 2006-10-6 38 Riverside Peninsular Ranges, Santa Ana Mountains, Santa Margarita Ecological Reserve Comment
  UCR89552  Juncus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15876 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  CAS-BOT-BC110072  Juncus acutus L. R. Abrams 1926-3-26 11071 Riverside Palm Canyon. Comment
  UCR18439  Juncus bufonius J. Olmstead 1966-4-27 s.n. Riverside Santa Rosa Mtns, Deep Canyon drainage: Deep Canyon between road end and first falls 610 Comment
  JOTR00976  Juncus bufonius var. bufonius Cole, James E. 1941-6-9 859 Riverside Joshua Tree National Park. PEARL SPRING 1371 Comment
  UC842785  Juncus saximontanus P. A. Munz 1922-6-30 5902 Riverside Santa Rosa 1981 Comment
  POM158452  Juncus tiehmii Phillip A. Munz 1927-5-21 10862 Riverside 2 miles S.E. of Ansa [Anza] 1372 Comment
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Jan 6 2015
  UCR19748  Juncus xiphioides H. A. Zuill 1966-6-27 250 Riverside Santa Ana Mtns., Santa Rosa Plateau, Fisherman's Camp in Tenaja Canyon c. 13 mi SW of Murrieta Comment
  UCR22029  Juncus xiphioides Steve Boyd 1980-5-3 180 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA782271  Kallstroemia californica R. W. Spjut 2007-10-12 16152 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  RSA702412  Keckiella antirrhinoides Steve D. Boyd, Aydee Virgen 2004-4-13 10855 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCD123738  Keckiella antirrhinoides K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  SEINET12320631  Keckiella antirrhinoides subsp. microphylla C. W. Tilforth, Wisura, W. 1979-1 1905 Riverside Big Horn Sheep Overlook along Hwy 74 above Deep Canyon, S of Palm Desert Comment
  NY786514  Keckiella antirrhinoides var. antirrhinoides G. D. Wallace 1966-4-16 465 Riverside West of Lake Elsinore 823.0 Comment
  UCR104940  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20698 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR93813  Keckiella antirrhinoides var. antirrhinoides P. J. MacKay 1996-6-15 009 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA335014  Keckiella cordifolia Steve D. Boyd 1985-7-23 1022 Riverside Deluz Road, 8.5 miles west of Rancho California, along Sandia Creek. 274 Comment
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Jun 8 2012
  UCR168137  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA489842  Koeleria macrantha D. Charlton 1988-5-21 1937 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UCD107113  Krameria bicolor Marian L. Vincent; Richard H. Swade 1963-10-19 449 Riverside Snow Creek Road, 1 mile from its intersection with California State Hwy. 111. 365 Comment
  RSA0123997  Krameria erecta Duncan S. Bell, Thomas Stoughton 2016-4-12 9234 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  JEPS64826  Krameria grayi W. L. Jepson 1912-10-28 5238 Riverside near Riverside Mts. (<Botanical Expedition along the Colorado River Needles to Yuma..>); Colorado River, near Riverside Mts. 91 Comment
  UCR228387  Krameria grayi Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-5-25 218 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  JEPS48457  Lamarckia aurea W. L. Jepson 1939-4-17 19120 Riverside 2 mi s of Corona (on road to Temecula) Comment
  POM12138  Lamarckia aurea Mary F. Spencer 1921-5-28 s.n. Riverside Near San Jacinto 549 Comment
  RSA198982  Lamarckia aurea R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37584 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  CLARK-A1528-3099  Lamium amplexicaule John C. Roos 1938-3-12 1642 Riverside La Sierra Comment
  UC1329881  Langloisia setosissima subsp. punctata James E. Cole 1941-4-13 588 Riverside 1/4 mi. s. of summit Pinto Pass; Joshua Tree Nat'l Monument Comment
  RSA796029  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-18 235 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  CDA37813  Laportea aestuans Mike Lahti 2012-6-14 PDR# 1590446 Riverside Romoland; Hilsabecks Greenhouse, 28415 Moreland Rd., near Palomar Rd. 0 Comment
  RSA0034156  Larrea tridentata M. Bourell 1987-4-14 3279 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  SD229308  Larrea tridentata Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 883 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  UCR277613  Larrea tridentata Aaron C. Sedgwick, Duncan S. Bell 2012-9-20 118 Riverside Rice Valley, c. 3 miles south of Rice on Rice-Blythe [Midland] Rd. and then c. [1.5] miles [SE] on unmarked dirt road 235 Comment
  RSA559323  Lastarriaea coriacea Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7364 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  SD186090  Lasthenia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta. 701 Comment
  RSA716422  Lasthenia coronaria Scott D. White 2006-4-27 11308 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC217965  Lasthenia coronaria P. A. Munz and I. M. Johnston 1922-5-19 5349 Riverside 5 mi ne of Murietta 457 Comment
  UCR177992  Lasthenia coronaria S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA406644  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1947-5-5 2045 Riverside Los Alamos Canyon, Elsinore 762 Comment
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Nov 26 2011
  UCR35017  Lathyrus vestitus subsp. alefeldii L. B. Ziegler 1967-6-27 182 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  POM361635  Layia glandulosa Ora M. Clark 1929-3-16 1696 Riverside South of Cabazon. Comment
  SD173201  Layia glandulosa Juergen Schrenk 2005-4-2 16 Riverside Northern Anza Borrego Desert, White Wash Comment
  CAS-BOT-BC379667  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15 Comment
  CLARK-A1528-1981  Layia platyglossa John C. Roos 1940-5-20 905 Riverside Reche Canyon Comment
  RSA660653  Layia platyglossa Giancarlo Massarotto 1981-4-11 31 Riverside Calico Road 11 miles east of Corona land mark. 200 yards S. of the road on hills SE of S Mathews Lake. 610 Comment
  UC144246  Layia platyglossa C. F. Baker 1904-4-4 4120 Riverside Elsinore Comment
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Jul 4 2010
  UC30603  Layia platyglossa Geo. R. Hall 1901-3-17 1670 Riverside near Riverside Comment
  UCR232782  Layia platyglossa John F. Green 2008-4-16 0408- 29 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR27065  Layia platyglossa T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
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Jan 8 2013
  UCR228828  Lepidium dictyotum var. dictyotum A. C. Sanders, T. B. Salvato 2011-4-4 38972 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  RSA0040097  Lepidium fremontii Duncan S. Bell, Deidre Conocchioli 2014-3-18 6255 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  CAS-BOT-BC89582  Lepidium lasiocarpum Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2122 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  RSA676157  Lepidium lasiocarpum Scott D. White 2001-4-3 8257 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UCR89889  Lepidium lasiocarpum A. C. Sanders, E. J. Lawlor 1992-4-4 12110 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SBBG104635  Lepidium lasiocarpum var. lasiocarpum T. Glenn 1991-5-2 91 -30 Riverside McCoy Mtns NW of Blythe 350 Comment
  UCR65276  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside Santa Ana River, Riverside, just downstream of the old city dump at W extension of Rubidoux Ave. Comment
  UCR281215  Lepidium latipes Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 21 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  CLARK-A1045-306  Lepidium virginicum George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  JEPS85756  Lepidium virginicum var. robinsonii Roy E. Buck and A. C. Sanders 1989-3-30 1133 Riverside 2.1 air km ese Sugarloaf Mtn. summit (e of Riverside, Two Trees Canyon, w-facing slope just above confluence of main canyon and side canyon entering from the n); Box Springs Mtns., Two Trees Canyon 426 Comment
  UCR1539  Lepidium virginicum var. robinsonii R. L. Irwin 1962-5-8 69 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.4 mi S on Canyon Crest Dr. from Pennsylvania Ave.; then left on a dirt road c. 0.3 mi; then to right about 0.5 mi to end ofroad; then over hill and up stream about 0.25 mi. 351 Comment
  UCR214323  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38383 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA773592  Lepidium virginicum var. virginicum Duncan S. Bell, J. D. England 2010-6-14 1304 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
  LA31382  Lepidospartum squamatum Jane Turner; 1959-3-29 Riverside Morongo Wash Comment
  RSA650943  Lepidospartum squamatum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 379 Riverside In foothills San Gabriel Mts. 19 miles North of Riverside. 610 Comment
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Dec 15 2011
  SEINET7048156  Lepidospartum squamatum Steven R. Hill 2001-5-3 33657 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
  RSA736173  Leptochloa fusca subsp. uninervia Scott D. White, Justin M. Wood 2008-5-13 11956 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  JEPS69865  Leptodactylon pungens Carl V. Meyer 1928-7-31 611 Riverside near summit of Tahquitz Peak (on w side, San Jacinto Mts.); San Jacinto Mts., nr summit Tahquitz Peak Comment
  RSA73047  Leptosiphon androsaceus F. W. Peirson 1922-4-28 4472 Riverside Leach Canyon, near Elsinore 534 Comment
  SEINET7967465 Image available Leptosiphon bicolor Malcolm G. McLeod 1971-6-22 472 Riverside Idyllwild Comment
  SD90507  Leptosiphon ciliatus Robert F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38087 Riverside San Jacinto Mountains; above James Reserve in Hall Canyon. 1676 Comment
  RSA0095156  Leptosiphon ciliatus Orlando Mistretta, Mark Elvin 1995-6-19 1772 a Riverside San Jacinto Mountains. 1463 Comment
  CAS-BOT-BC227047  Leptosiphon floribundus subsp. glaber Ynez W. Winblad 1938-5-15 s.n. Riverside Between E. Capistrano and Lake Elsinore Comment
  RSA180503  Leptosiphon liniflorus E. W. Lathrop 1959-5-17 4559 Riverside 10 miles W of Murrieta. Comment
  RSA526130  Leptosiphon parviflorus Steve Boyd, T. S. Ross 1990-5-11 4643 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA543904  Leptosiphon pygmaeus subsp. continentalis Steve Boyd, Orlando Mistretta 1991-5-22 6287 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA26971  Lesquerella tenella C. L. Hitchcock 1940-3-31 5881 Riverside 0.5 mile below Cottonwood Springs Comment
  UCR41320  Lessingia filaginifolia N. M. Fellows 1984-11-12 34 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  RSA38277  Lessingia glandulifera var. glandulifera P. A. Munz 1946-10-18 11560 Riverside Round-top hill northwest of Aguanga. 793 Comment
  RSA655213  Lessingia glandulifera var. glandulifera Scott D. White 1999-7-9 7533 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  UCR18401  Lessingia glandulifera var. glandulifera A. C. Sanders 1978-9-3 0145 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  CDA5383  Ligustrum lucidum A. C. Sanders 2000-12-16 23728 Riverside San Bernardino Valley; City of Riverside; UCR campus, along Big Springs Rd. just east of Campus Dr. Comment
  UC3725  Lilium parryi H. M. Hall 1897-8-11 798 Riverside San Jacinto Mt. 1828 Comment
  UC454442  Lilium parryi I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2590 Comment
  UCR26378  Lilium parryi A. C. Sanders 1981-7-11 2201 Riverside San Jacinto Mtns., Hall Canyon above the James Reserve, at Indian Creek 1738 Comment
  UC1873120  Limonium R. E. Riefner Jr. 06 -398 Riverside Corona-La Sierra area, vicinity of Green River Road and Palisades Drive 15 Comment
Read comments
Nov 20 2010
  SD241915  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Road, north end of Bucking Bay Drive (Alberhill 7.5'Q) 433 Comment
  RSA788872  Limosella acaulis Gary D. Wallace 2003-7-8 4053 Riverside Hidden Lake. Comment
  UC1922839  Limosella acaulis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1774 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  POM159844  Linanthus aureus E. C. Jaeger 1928-3-24 s.n. Riverside Eagle Mts. Colo. Desert. Comment
  RSA73683  Linanthus aureus F. W. Peirson 1928-4-23 7887 Riverside 2.5 miles below cottonwood Springs, Riverside County Comment
  JOTR30953  Linanthus aureus subsp. aureus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1928 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA192031  Linanthus californicus E. W. Lathrop 1966-3-2 6049 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  HSC17001  Linanthus dianthiflorus C. L. Hitchcock 1966-3-16 24184 Riverside About 5 mi. NE of Aguanga Comment
  RSA773661  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-20 1024 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  SBBG64562  Linanthus dianthiflorus M. N. Ackley 1928-3-11 825 Riverside between Banning and Cabazon 609 Comment
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Mar 13 2011
  RSA73087  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1922-5-20 4471 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  JEPS58386  Linanthus dichotomus W. L. Jepson May 17 1901-Jun 1 1901 1463 a Riverside Van Deventer's Ranch Van Deventer Flat Comment
  UCR172806  Linanthus lemmonii Abby Sirulnik 2000-4-13 05 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  CLARK-A1528-5713  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  SD173066  Linanthus pungens Juergen Schrenk 2005-10-11 43 Riverside Santa Rosa Mountains, summit of Toro Peak 2640 Comment
  UCR104597  Linaria canadensis var. texana G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  RSA741082  Linaria pinifolia Justin M. Wood 2008-11-17 229 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR240642  Lithophragma Tracy Tennant, Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA14579  Loeflingia squarrosa Daniel Cleveland 1882-5-3 s.n. Riverside San Jacinto. Comment
  SD259047  Loeseliastrum schottii Sarah J. De Groot 2005-5-16 4966 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave. Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  UCR120710  Loeseliastrum schottii E. K. Balls 1949-4-4 12963 Riverside Sonoran (Colorado) Desert, Between Durmid and Salton on Hwy 111 0 Comment
  UCSB28365  Loeseliastrum schottii Speckels, M. 1974-3-23 Riverside 0.3 mi. west of junction of Hwy 74 and Hwy. 111; in Palm Desert 152 Comment
  CAS-BOT-BC342255  Logfia filaginoides A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19890 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  POM266274  Lolium perenne subsp. multiflorum J. C. Roos 1937-5-2 1397 Riverside La Sierra, western Riverside. [Collection is Jack Frost Lake. aka Frost Reservoir, apparently a part of La Sierra [Loma Linda University Campus] ca. 1937 south of Indiana Avenue and west of Sayward Circle, near Pierce;, Owned by city of Riverside ca. 2000 Comment
  RSA0105316  Lomatium lucidum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4039 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR104928  Lomatium lucidum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20638 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
  RSA769498  Lomatium vaginatum Justin M. Wood 2010-3-19 1430 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  JEPS24238  Lonicera interrupta Peter H. Raven 1958-5-17 12950 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  RSA741271  Lonicera subspicata Scott D. White, Justin M. Wood 2008-7-10 12448 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SD181619  Lonicera subspicata Scott D. White, Teresa Salvato 2001-6-8 8589 Riverside Santa Ana Mountains, southern margin of county, just northeast of Rainbow Valley (Temecula [quad]). 334 Comment
  SD234349  Lonicera subspicata Wayne Law, Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Alberhill 7.5'Q) 395 Comment
  RSA567202  Lotus argophyllus var. argophyllus Walter Wisura, W. Steinmetz 1993-5-29 4918 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  POM17829  Lotus crassifolius P. A. Munz, D. D. Keck, I. M. Munz 1923-6-14 7070 Riverside Santiago Peak, Santa Ana Mts. 1524 Comment
  UC1922339  Lotus crassifolius var. crassifolius R. E. Riefner Jr. 2007-6-16 07 -264 Riverside City of Hemet, Bautista Canyon, 2.8 mi E of Fairview Ave. on Bautista Rd. Comment
  UCR116796  Lotus heermannii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24150 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR82906  Lotus heermannii A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15798 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA406730  Lotus heermannii var. heermannii N. C. Cooper 1949-6-29 4335 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR101420  Lotus humistratus A. C. Sanders, G. Helmkamp 1997-3-15 20001 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR266810  Lotus humistratus Mitch Provance, Matt Amalong 2015-3-25 315- 20 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
  UCR141242  Lotus purshianus A. C. Sanders, Mike Misenhelter 2004-10-6 28827 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  CLARK-A1528-485  Lotus rigidus John C. Roos 1951-9-25 Riverside Pinyon Crest Comment
  JEPS55814  Lotus rigidus W. L. Jepson 12573 Riverside Cottonwood Springs Cottonwood Mts. 731 Comment
Read comments
Oct 9 2010
  RSA38402  Lotus rigidus P. A. Munz 1946-10-20 11581 Riverside Palms to Pines Highway, north base of Santa Rosa Mts. 808 Comment
  RSA498788  Lotus rigidus Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  UC864868  Lotus rigidus S. B. Parish 1917-4-4 Riverside Palm Canyon Colorado desert Comment
  UCR14209  Lotus rigidus N. R. Zabriskie 1973-2-23 565 Riverside Peninsular Range/Sonoran (Colorado) Desert, Boyd's Road Lookout, Deep Canyon, N slope of Santa Rosa Mtns (Site 18) 854 Comment
  UCR85248  Lotus salsuginosus A. C. Sanders, P. J. MacKay, , M. Jacobsmeyer, et al. 1995-3-5 15987 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA27017  Lotus salsuginosus var. brevivexillus C. L. Hitchcock 1940-3-30 5872 Riverside Cottonwood Spring. Comment
  RSA653549  Lotus salsuginosus var. salsuginosus Scott D. White 1999-5-24 7402 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR25958  Lotus salsuginosus var. salsuginosus John C. Roos, L. Roos 1952-5-19 5694 Riverside One year old burn on hills north of Moreno 518 Comment
  RSA658884  Lotus scoparius Douglas A. Springer 1981-2-16 6 Riverside 2.9 miles E of La Serra Rd., E of Corona. Comment
  RSA543189  Lotus scoparius var. scoparius Steve Boyd 1991-5-2 6109 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  JEPS65161  Lotus strigosus W. L. Jepson 1935-4-19 17077 Riverside San Gorgonio Pass Comment
  RSA559435  Lotus strigosus Steve Boyd 1992-4-15 6857 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC1537086  Lotus strigosus Gordon H. True Jr. 1935-2-26 18 Riverside Mockingbird Canyon 365 Comment
  RSA774113  Lotus unifoliolatus Duncan S. Bell, Colleen Wheeler 2010-7-19 1624 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  UC50311  Lotus wrangelianus H. M. Hall 1903-4-1 3841 Riverside Midlands Comment
  RSA414450  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  JEPS65447  Lupinus arizonicus Mary Beal 1941-4-6 858 Riverside Painted Canyon Mojave Desert, Mecca Hills, Coachella Valley Comment
  RSA517836  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SJSU10788  Lupinus arizonicus R. C. McGehee 1970-4-28 232 Riverside 5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UC1563076  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside ne Desert Center (West side Palen Mts.); West Side Palen Mts., ne of Desert Center Comment
  UCR224994  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside Sonoran (Colorado) Desert, East flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  SEINET10488547  Lupinus arizonicus David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3712 Riverside In a wash. Indio hills, colorado desert Comment
  SEINET10870662  Lupinus arizonicus David B. Dunn 1946-3-15 Dunn 2047 Riverside On dry plateau in vicinity of pushawalla canyon, indio hills. Sparse desert Scrub o f larrea and franseria, with palms at the springs in the canyon Comment
  RSA87098  Lupinus bicolor F. W. Peirson 1921-3-19 91 Riverside 2 miles east of Banning on road to Indio, Riverside Comment
  UCR172234  Lupinus bicolor 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
  UCR199563  Lupinus bicolor Scott D. White 2004-4-26 10267 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA783241  Lupinus concinnus J. D. Olmsted 1962-6-3 3484 Riverside S slope along road on north side of Hemet Lake 1280 Comment
  SD128672  Lupinus concinnus Darley F. Howe 1980-4-15 Riverside 1 mile west of Mesa Verde, south slope of McCoy Mountains, Highway 10. (IPB 10/07) Comment
  RSA658919  Lupinus concinnus subsp. optatus Bob Rogers 1984-4-28 22 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  SEINET10485080  Lupinus concinnus subsp. optatus Charles R. Gunn 1963-5-29 Gunn 2630 Riverside Riverside co road r1, 1/2 mi above fulmore lake, san bernardino national forest , San jacinto mountains. White standard, blue keel and wings. Comment
  CLARK-A1528-497  Lupinus excubitus Fred B. Essig 1964-4-25 26 Riverside Elsinore Comment
  CAS-BOT-BC216684  Lupinus excubitus subsp. hallii Charles Piper Smith 1951-5-22 51239 Riverside 1.5 miles S of summit, Beaumont - Morena Grade (San Gorgonio Drive) Comment
  RSA699741  Lupinus excubitus var. austromontanus Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  RSA91205  Lupinus excubitus var. hallii F. W. Peirson 1929-5-4 8339 Riverside 2 miles north of Aguanga, South of Hemet. 549 Comment
  SEINET10485441  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2722 Riverside 1/4 mi. W of hidden lake. San jacinto mts. Comment
  JOTR16695  Lupinus sparsiflorus Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA722340  Lupinus sparsiflorus J. R. Bruff 1928-4-2 116 Riverside Canyon W of Morengo Comment
  UC1979544  Lupinus sparsiflorus Darin L. Banks, Steve Boyd 1995-5-3 232 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UC56612  Lupinus sparsiflorus H. M. Hall Apr. 1902 2939 Riverside Riverside Comment
  UCR244296  Lupinus sparsiflorus Jim Andre 2012-4-16 20876 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
  RSA556492  Lupinus succulentus Julie Greene 1993-3-13 1068 Riverside On the berm between the western ponds. 441 Comment
  RSA700067  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR142197  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  RSA249830  Luzula comosa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38075 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  RSA422106  Lycium andersonii Robert Gustafson 1978-3-21 840 Riverside Joshua Tree Natl. Monument, Cottonwood Springs 671 Comment
  UC1004769  Lycium brevipes E. C. Jaeger 1939-12-29 Riverside 5 mi e Indio (Eytel Canyon branching from Fargo Canyon); Fargo Canyon, Eytel Canyon 243 Comment
  POM250365  Lycium cooperi I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  CAS-BOT-BC226944  Lythrum californicum A. C. Sanders; John F. Green 2012-5-27 40211 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  SD237516  Lythrum californicum Jeremiah George 2011-8-9 Riverside Peninsular Range; Elsinore Trought: north shore of Lake Elsinore, south end of Lehr Dr. 384 Comment
  NY214798  Machaeranthera canescens L. B. Ziegler 1969-9-30 s.n. Riverside North slope of Santa Rosa Mts. 1981.2 Comment
  UCR93099  Machaeranthera cognata F. M. Reed 1931-4-11 6919 Riverside Western Colorado Desert, 'Red Canyon' north of Mecca [= Painted Canyon?] 152 Comment
Read comments
Nov 24 2011
  CSUSB1011  Malacothamnus fasciculatus Heidi A. Haid 1964-5-8 6458 3 Riverside Box Springs Mountains Box Springs Mountains; 1/8 mile above end of Blaine Street. 426 Comment
  POM202489  Malacothamnus fasciculatus Marcus E. Jones 1934-5-10 s.n. Riverside Elsinore Comment
  RSA263658  Malacothamnus fasciculatus E. W. Lathrop 1977-3-29 7512 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive Comment
  UCR102048  Malacothamnus fasciculatus B. G. Pitzer 1997-4-20 3171 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR116673  Malacothamnus fasciculatus A. C. Sanders, Carolyn Washburn 2001-5-10 24240 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  RSA585506  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-9 0367 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  RSA586865  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-3 0284 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UC33276  Malacothrix clevelandii H. M. Hall June 1901 2087 Riverside exposed s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR133421  Malacothrix clevelandii Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 212 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  OBI37418  Malacothrix glabrata M. rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 254 Riverside Big Morongo Preserve, S of Morongo Valley; W edge of the main cyn just below the BLM gate 533 Comment
  POM10233  Malacothrix glabrata Charlotte M. Wilder 1904-5-15 125 Riverside North side of Jurupa Hills, NW of Riverside Comment
  POM362309  Malacothrix glabrata M. B. Dunkle 1935-3-30 4419 Riverside Pinto Basin, Colorado Desert. 915 Comment
  POM362315  Malacothrix glabrata N. C. Cooper 1949-3-15 3171 Riverside North of Palm Springs. 121 Comment
  UC63260  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  UCR90167  Malacothrix glabrata R. W. Scora 1966-4-1 3006 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  UCSB16936  Malacothrix glabrata Winn, Will 1963-4-8 Riverside 35.3 miles west of Desert Center on U.S. Highway 60-70 243 Comment
  UCR264080  Malacothrix saxatilis S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1069 B Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  UCR38238  Malva nicaeensis Steve Boyd 1980-4-23 s.n. Riverside Intersection of Jurupa Road and Galena Road, Glen Avon Comment
  SD260975  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley: edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. betweeen Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR275221  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  POM306698  Marina parryi Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1684 Riverside West of blythe. Comment
  RSA567642  Marina parryi Theo Glenn 1991-4-30 91 -58 Riverside Colorado Desert, McCoy Mtns, NW of Blythe. T5S, R20E, approx. S19, Alt 170m 170 Comment
  UCR148309  Marina parryi 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
  UCR277801  Marina parryi A. C. Sanders, Jim Malusa 2017-1-14 42663 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  SBBG15944  Marsilea vestita L. L. Kiefer 1963-6-2 531 Riverside San Jacinto River bed, SE of Perris, ca. 0.25 mi N of jct of Case Rd and Murietta Rd 304 Comment
  SD124724  Matelea parvifolia A. C. Sanders, Pitzer, Charlton, et al. 1986-3-2 6053 Riverside Chuckwalla Bench, south side of the Chuckwalla Mountains, on the Bradshaw Road about 2 miles east of the gasline road. 640 Comment
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Aug 29 2010
  CAS-BOT-BC348067  Matricaria discoidea John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR120167  Matricaria matricarioides Mitch Provance 1998-3-5 188 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR20790  Matricaria matricarioides A. C. Sanders, Steve Boyd 1980-5-2 1400 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR116900  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR211712  Matricaria occidentalis Fred M. Roberts, D. E. Bramlet, Kerry Byrne 2006-4-20 6322 Riverside Perris Basin, Upper Salt Creek watershed, southwest of Hemet, 2 km southeast of Winchester, south of Domenigoni Parkway 453 Comment
  UCR85085  Medicago lupulina A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16028 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA644632  Medicago polymorpha Scott D. White 1993-3-12 1141 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  CSUSB1094  Medicago sativa Shirley Hill 1963-3-31 630331 2 Riverside Corner of 8th and Lincoln in Banning. 100 feet from road. Comment
  SD162826  Melica californica A. C. Sanders 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills, rocky gabbro and granite hill 566 Comment
  SEINET2473432 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37748 Riverside Peninsular Range; Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 400 Comment
  UCR26317  Melica frutescens John C. Roos 1948-5-1 3810 Riverside San Bernardino Mtns., Whitewater 518 Comment
  SEINET10599377  Melica frutescens Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4689 A Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. T8S R1W S26 N1/2. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. 579 Comment
  JEPS76204  Melica imperfecta W. L. Jepson 1939-4-17 19129 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  RSA519239  Melica imperfecta 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
  UC618994  Melica imperfecta A. Lewis 1934-3-1 325 Riverside Bedford Canyon; Cleveland National Forest, Corona Quad. 762 Comment
  UCR177937  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 030 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR5910  Melica imperfecta Leland E. Francois 1966-4-23 42366- 7 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  SDSU13592  Melilotus albus W. Miller, C. Mosse Riverside Comment
  SDSU19220  Melilotus albus Kristen Hasenstab, Dave Bailey 2008-8-7 185 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. Growing 1-3m from the edge of the river. 215 Comment
  SEINET2063365 Image available Melilotus indicus Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of intersection of Van Buren Blvd. & Mockingbird Canyon Rd. 365 Comment
  CAS-BOT-BC223709  Mentzelia E. A. McGregor 1917-3-19 2053 Riverside Colorado Desert. Indio Comment
  JOTR34323  Mentzelia involucrata Andre, Jim 2012-4-11 20824 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA0081619  Mentzelia involucrata Jim M. Andre 2012-4-11 20824 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA698075  Mentzelia involucrata J. R. Bruff 1928-4-2 s.n. Riverside Whitewater-at cork of 29 Palms road. Comment
  RSA701220  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11276 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
  RSA440418  Mentzelia involucrata var. megalantha Elbert Benjamine 1929-4-7 126 Riverside Whitewater Canyon, Riverside County. Comment
  RSA0127361  Mentzelia longiloba var. longiloba Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  RSA740070  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  CAS-BOT-BC435294  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
  RSA546307  Mesembryanthemum nodiflorum D. E. Bramlet, S. D. Boyd, A. C. Sanders, F. Roberts 1992-5-21 2291 Riverside The site is approximately 8 km southwest of Hemet. Found on the margin of vernal pools, which are located northwest of the intersection California Ave. and Stowe Rd., The site is located some 60 m N of Stowe Rd and some 122 m west of California Ave. 456 Comment
  CLARK-A1045-189  Micropus californicus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  UCR112009B  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2000-5-25 23410 B 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
  UCR266310  Microseris douglasii subsp. platycarpha D. E. Bramlet 1991-4-29 2077 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR34957  Microseris lindleyi L. B. Ziegler 1969-5-8 354 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  SDSU13959  Mimetanthe pilosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2147 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, extreme southern end of northern most (narrow) deer grass meadow. 646 Comment
  POM8473  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2291 Riverside Butte west of Lakeview. 610 Comment
  POM8474  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2293 Riverside Butte west of Lakeview. 610 Comment
  RSA0036465  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  UCR81103  Mimulus aurantiacus var. pubescens Scott D. White 1993-5-29 1438 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  RSA160548  Mimulus aurantiacus var. puniceus J. D. Olmsted 1959-4-18 422 Riverside Santa Ana Mtn. base. 3 miles N of Elsinore on Hwy 71 in weedy area on East side of road. 335 Comment
  RSA535470  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6645 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR116520  Mimulus aurantiacus var. puniceus Dan Hare 2001-4-26 s.n. Riverside Perris-Aguanga Basin region, Lake Perris State Recretion Area, approximately 1 km northeast of Bernasconi Beach, Lake Perris 600 Comment
  UCR241958  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-3-21 39981 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  UCR133024  Mimulus bigelovii Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon below Carey's Castle, NW of Red Butte Wash, c. 3 miles east of Chiriaco Summit and 1 mile or so north of I-10 640 Comment
  RSA586799  Mimulus brevipes D. L. Banks, S. D. Boyd 1995-5-3 237 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
  UCR127360  Mimulus brevipes A. C. Sanders, D. Malueg 2003-5-8 26565 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR225164  Mimulus breweri Steve Boyd, Gary Wallace 2005-7-30 11637 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
  SFV21864  Mimulus cardinalis L. Malessa 2000-7-23 s. n. Riverside San Jacinto Mountains Dark Canyon, North Fork San Jacinto River. Dark Canyon Campground. 1770 Comment
  CLARK-A1045-158  Mimulus floribundus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UC472795  Mimulus fremontii var. fremontii M. F. Spencer 1921-7-1 13 Riverside Banning Road from Palm Springs; San Gorgonio Pass Comment
  UCR116890  Mimulus guttatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24200 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR131832  Mimulus guttatus Jennie Phui 1998-5-30 034 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  JEPS3007  Mimulus palmeri Frank W. Peirson 1929-5-4 Riverside summit St. John's Grade 792 Comment
  CLARK-A1528-4265  Mimulus pilosus John C. Roos 1948-6-10 3882 Riverside San Jacinto Mountains Comment
  CLARK-A1528-4270  Mimulus puniceus John C. Roos 1941-5-17 123 Riverside March Field Comment
  UCR51974  Mirabilis bigelovii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, et al. 1988-3-10 2112 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA0110425  Mirabilis bigelovii var. bigelovii Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54022 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  UCR122743  Mirabilis bigelovii var. retrorsa George K. Helmkamp, E. A. Helmkamp 1998-4-24 3377 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  POM259679  Mirabilis laevis var. crassifolia P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA0027992  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6102 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  CAS-BOT-BC434830  Mirabilis laevis var. retrorsa John Thomas Howell 1928-3-11 3416 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  RSA464242  Mirabilis laevis var. retrorsa N. R. Zabriskie, W. M. Zabriskie 1973-4-3 599 Riverside Top of Poorwill Canyon, Andreas Canyon area. Lower east slope of San Jacinto Mountains. 427 Comment
  SD216505  Mirabilis multiflora Jay B. Walker 1995-5-4 1413 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  RSA19185  Mirabilis multiflora var. pubescens R. S. Woglum 1937-4-24 296 Riverside San Jacinto Mountains, on Palms to Pines Road, about 2 mi above junction with Palm Springs Highway Comment
  RSA592702  Mirabilis multiflora var. pubescens Scott D. White, D. Haselfeld 1996-7-2 4273 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA408757  Mohavea confertiflora E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Ca - on on Blythe Road. Comment
  RSA408772  Mohavea confertiflora Robert M. Perkins, H. de Forest 1937-3-15 374 Riverside N. of Blythe, along Co. Riverside. Comment
  SBBG99713  Mohavea confertiflora W. L. Halvorson 1977-2-5 77 -12 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SEINET3079860 Image available Mohavea confertiflora John Wear 1995-3-22 Riverside Colorado Desert: Chuckwalla Bench, upper Salt Creek wash W of Eagle Mountain (Kaiser) Railroad. 488 Comment
  UC1080455  Mohavea confertiflora P. C. Everett and E. K. Balls 1958-4-29 1650 Riverside just w of Cactus City (U.S. Highway 60/70, Indio to Blythe) 502 Comment
  UC1995358  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside lower part of trail to Round Valley; San Jacinto Mts. Comment
  SD120888  Monardella hypoleuca subsp. intermedia Wayne P. Armstrong 1987-4-25 1277 Riverside Santa Rosa Plateau, north end of Mesa de Colorado 600 Comment
  SEINET6699508 Image available Monardella lanceolata C. Epling 1932-6-26 Riverside Jarupa Hills Comment
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Nov 7 2015
  UCSC001507  Monardella lanceolata Peter Kamb 1948-10-21 1272 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  RSA180383  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-6-9 4944 Riverside 14 miles west of Murrieta. Comment
  LA62725  Monardella linoides subsp. linoides Carl Epling; William Robison 1934-7-27 sn Riverside Palms to Pines Highway- along road Comment
  UCR19082  Monardella linoides subsp. linoides John C. Roos 1946-9-14 3009 Riverside Santa Rosa Mountains, Taylor, desert slope on Palms to Pines Highway 1098 Comment
  CAS-BOT-BC215492  Monardella nana E. McClintock; H. Lewis 1941-6-29 77 Riverside Road up Santa Rosa Mt. 1 mile beyond canyon where stream crosses road Comment
  IRVC2057  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-11 SJ 381 Riverside Santa Rosa mountain Road; middle of slope 20 degree E. Peninsular Ranges, Santa Rosa Mountains 1829 Comment
  LA57198  Monardella nana G. Bokker; May 1938 sn Riverside Palms to Pines Highway, near Ribbonwood Comment
  LA57200  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside about 3 mi W of Pinon Flats, Pines to Palms Hwy Comment
  LA96091  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mountain, 0.5 mi. beyond Black Mountain Spring Comment
  LA96102  Monardella nana Elizabeth McClintock; 1941-7-18 121 Riverside San Jacinto Mountains, after the beginning of the chinquipin Comment
  RSA651654  Monardella nana subsp. arida Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mnt, 0.5 mile beyond Black Mnt Spring. Comment
  RSA768328  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 109 Riverside Trial to Deer Springs, beyond third spring which crosses trail. Comment
  UCR221477  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 107 Riverside Peninsular Range; San Jacinto Mtns., trail to Deer Springs [off Suicide Rock Trail], a short distance below first spring which crosses trail 2591 Comment
  SEINET10582210  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 50 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  UCR121351  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24609 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA304548  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside Santa Ana River bottom just east of the old Salt Lake River Bridge, Riverside. Comment
  UC68566  Monolepis nuttalliana H. M. Hall Apr., 1905 5750 Riverside vicinity of Riverside (Box Springs Grade) 457 Comment
  CAS-BOT-BC349802  Monoptilon bellioides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA550352  Monoptilon bellioides Walter Wisura, John Dolan, Michael Wall 1992-3-24 4636 Riverside Lowdesert: 14.0mi NE of Mecca, Bajadas above Box Canyon. Comment
  UC831342  Monoptilon bellioides C. L. Hitchcock 1940-4-4 5943 Riverside Pinto Basin Comment
  UCR132709  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA0123696  Muhlenbergia appressa Duncan S. Bell, LeRoy Gross 2016-3-30 9164 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UCR281268  Muhlenbergia microsperma Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 28 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  CAS-BOT-BC275039  Muhlenbergia richardsonis Philip A. Munz 1938-8-14 15347 Riverside Virgin Spring, Santa Rosa Peak 2286 Comment
  POM48398  Muhlenbergia rigens P. A. Munz, I. M. Johnston 1924-7-28 8814 Riverside Pine Flats 1738 Comment
  UCD87126  Muhlenbergia rigens H. S. Yates 1936-8-28 6371 Riverside Near Keen Camp. 1584 Comment
  RSA772403  Muilla maritima Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4863 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SBBG35235  Muilla maritima T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UC64098  Muilla maritima H. M. Hall 1897-5-1 519 Riverside San Jacinto River San Jacinto Mountains 762 Comment
  POM12434  Myosurus minimus subsp. apus P. A. Munz, D. M Johnston 1922-5-5 5162 Riverside March field Comment
  UC217987  Myosurus minimus subsp. apus P. A. Munz and I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  UC217896  Nama P. A. Munz, D. Keck 1922-4-8 4740 Riverside Mecca , Mecca (Colorado Desert) -30 Comment
  SEINET9325076  Nama demissa Unknown 1976-5-2 Riverside Red Mountain Road. Comment
  UCR233163A  Nama demissa var. demissa Jim Andre, Glenn L. Clifton 2011-2-22 17448 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA27707  Nama demissa var. deserti C. L. Hitchcock 1940-3-29 5866 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA0040072  Nama hispida var. spathulata Jim Andre 2014-1-27 26661 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  POM266628  Nassella lepida J. C. Roos 1937-5-2 1395 Riverside La Sierra, western Riverside. [Collection is Jack Frost Lake. aka Frost Reservoir, apparently a part of La Sierra [Loma Linda University Campus] ca. 1937 south of Indiana Avenue and west of Sayward Circle, near Pierce;, Owned by city of Riverside ca. 2000 Comment
  UCD87922  Nassella lepida F. M. Reed 1926-5-15 5371 Riverside canon on road between Menifee and Mammoth Valley. Comment
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Apr 3 2011
  JEPS493  Nassella pulchra E. Bartholomew Riverside Riverside Comment
  UCR263727  Nasturtium officinale Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4988 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  RSA564113  Navarretia atractyloides Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  RSA678937  Navarretia atractyloides Scott D. White, Michael Honer 2003-6-3 9480 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA759115  Navarretia atractyloides Robt. Allen, Linnell R. Allen 2008-7-27 s.n. Riverside South Main Divide Road, 4.7 road mi. SE of junction with Ortega Hwy (SR74). Just S of the gated entrances to Rancho Capistrano housing developments. 938 Comment
  CAS-BOT-BC233577  Navarretia prostrata Bob Holland 1984-1-1 s.n. Riverside Santa Rosa Plateau Comment
  SD73181  Nemacladus longiflorus Darley F. Howe 1969-5-15 Riverside Near Dripping Springs Camp. 455 Comment
  SEINET10458387  Nemacladus longiflorus Hall 1898-6-28 Hall 960 Riverside Strawberry Valley 1829 Comment
  RSA771691  Nemacladus longiflorus var. breviflorus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4687 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
  JEPS5412  Nemacladus longiflorus var. longiflorus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 A Riverside Temecula River; sw Riverside County Comment
  POM229456  Nemacladus longiflorus var. longiflorus P. A. Munz 1937-5-30 15088 Riverside Near Vandeventer Flat. Santa Rosa Mts. 1677 Comment
  RSA789233  Nemacladus longiflorus var. longiflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  RSA0126323  Nemacladus longiflorus var. longiflorus Katherine Brandegee 1905-5-12 s.n. Riverside Near Riverside. Comment
  UCR102940  Nemacladus orientalis George K. Helmkamp 1998-4-4 3147 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  SEINET10939171  Nemacladus pinnatifidus Willis L. Jepson 1901-5-30 Jepson 1555 B Riverside Flood bed. Temecula River, southwestern Riverside County Comment
  SD260929  Nemacladus ramosissimus Andrew C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd, and east of the creek (Murrieta 7.5'Q) 395 Comment
  POM97114  Nemacladus ramosissimus P. A. Munz 1925-5-20 9840 Riverside 2 miles W of Dripping Spring. 427 Comment
  SEINET10461104  Nemacladus rubescens Mcneal 1979-4-20 MCNEAL s.n. Riverside Flash flood wash parallel to Highway 195, 9.9 miles southwest of its junction with Interstate 10 Comment
  SD7444  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  UCR164572  Nemophila menziesii S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  RSA339360  Nicolletia occidentalis R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53587 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  SDSU11219  Nicotiana attenuata H. Wedberg 1962-7-28 992 Riverside Meadow in Hemet Valley; about 1 mile from Herkey Creek Public Camp on the road to Santa Rosa Summit, San Jacinto Mountains. 1372 Comment
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Jan 24 2013
  UC26145  Nicotiana attenuata H. M. Hall Jun 1901 2150 Riverside borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains Comment
  UC456215  Nicotiana attenuata I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mts. 1524 Comment
  UC489083  Nicotiana attenuata C. V. Meyer 1928-7-26 523 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  UCR251977  Nicotiana attenuata A. C. Sanders, T. B. Salvato 2014-7-2 41178 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 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
  RSA0055016  Nicotiana bigelovii Jim Shevock 1970-4-25 162 Riverside Near Glen Ivy. Comment
  PASA2137  Nicotiana clevelandii 1926-2-21 Riverside Thousand Palms Comment
  RSA11572  Nicotiana obtusifolia A. N. Dunn 1932-3-26 s.n. Riverside Box Canon. [Canyon] Comment
  UCR128939  Nicotiana obtusifolia Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR6135  Nicotiana quadrivalvis C. M. Bringle 1967-4-2 B670402- 3 Riverside Riverside, Mockingbird Canyon off Jackson St., 0.2 mi past 1645 Jackson, in ravine on S side, about 1/4 mi out 351 Comment
  SD40821  Nolina bigelovii Carl B. Wolf 1932-10-13 Riverside Colorado desert; Eagle Mountains; 0.5 mile before Cottonwood Springs Comment
  CAS-BOT-BC131887  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA11601  Nolina parryi C. Epling, William Robison 1933-6-26 s.n. Riverside Little San Bernardino Mountains: Key s View [Salton View]. 1524 Comment
  SD142034  Nolina parryi James C. Dice 1985-6-13 617 Riverside SE portion of Thomas Mtn., ca. 4 km S of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  CAS-BOT-BC71154  Notholaena californica Marcus E. Jones 1925-12-21 s.n. Riverside Andreas Canyon Comment
  UCR261565  Notholaena californica Joseph Cahill 2011-1-29 111- 08 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs 403 Comment
  RSA0034828  Oenothera bistorta var. hallii Norman C. Cooper 1944-3-24 2001 Riverside Banning. 701 Comment
  CDA38122  Oenothera californica T. C. Fuller 1958-9-23 2196 Riverside 3 miles east of Anza. 0 Comment
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  RSA0043370  Oenothera deltoides Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17705 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  SEINET3092710 Image available Oenothera deltoides John Adams 1966-3-12 459 Riverside Cathedral City, corner of Palm Canyon and Araby. Comment
  POM355578  Oenothera deltoides subsp. deltoides M. B. Dunkle 1932-2-25 2921 Riverside 6 miles NW of Indio. Comment
  UCSB4503  Oenothera deltoides subsp. deltoides Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shaver Summit Comment
  UC20493  Oenothera elata subsp. hirsutissima H. M. Hall Aug. 1901 2639 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along watercourses) 1676 Comment
  JEPS25889  Oligomeris linifolia W. L. Jepson 1927-4-12 11670 Riverside ne Mecca (Painted Canyon); Colorado Desert, Painted Canyon 76 Comment
  OBI38911  Oligomeris linifolia A. C. Sanders, Pitzer, Charlton, & Kniffen 1986-3-3 6114 Riverside Corn Spring, Chuckwalla Mts, was below the spring and wash and rocky slopes to the south 488 Comment
  RSA0050254  Oligomeris linifolia J. M. Andre 2013-3-27 24839 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  POM171281  Olneya tesota I. M. Johnston 1930-6-15 3786 Riverside Southeastern end of Eagle Mts. Comment
  SEINET5497541 Image available Oncosiphon piluliferum Andrew C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. south of Van Buren Blvd. 465 Comment
  POM300506  Opuntia basilaris var. basilaris Lyman Benson 1945-3-29 11636 Riverside Canyon on 29 Palms Road, first large canyon east of US 99 Colorado Desert, Little San Bernardino Mountain. 610 Comment
  POM9959  Opuntia bigelovii var. bigelovii P. A. Munz 1921-5-1 4485 Riverside 5 miles north of Whitewater, San Bernardino Mts. 305 Comment
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May 28 2011
  POM83401  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  SEINET10447237  Opuntia echinocarpa A. Evans 1976-4-13 Evans 5170 Riverside Rocky slopes of santa rosa mtns. Comment
  UCR68161  Opuntia parryi Marc A. Baker 1987-4-1 7025 B Riverside San Bernardino / San Jacinto Mtns., eastern edge of Banning, just north of Hwy I-10 (Fwy) 671 Comment
  RSA356992  Orcuttia californica R. F. Thorne 1973-5-23 43859 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  CAS-BOT-BC499740  Orobanche californica subsp. feudgei H. M. Hall 1901-6-1 2135 Riverside San Jacinto Mountains, eastern base, along the borders of the Colorado Desert Comment
  JEPS70888  Orobanche cooperi L. R. Heckard 1973-4-24 3321 Riverside 16.3 mi n of Desert Center (on road to Rice) 243 Comment
  UC64330  Orobanche fasciculata H. M. Hall May 1899 Riverside San Jacinto Mountains. Comment
  JEPS126153  Orobanche parishii subsp. parishii Mike Hamilton 2005-12-2 s.n. Riverside San Jacinto Mountains, UC Riverside James Preserve, near weather station Comment
  UC64191  Osmorhiza brachypoda H. M. Hall 1898-4-9 886 Riverside Temescal Comment
  SEINET10635289  Oxalis pes-caprae Greg Gust, Leith Nye 2005-3-11 Gust 539 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  RSA606151  Oxytheca emarginata R. S. Woglum 1937-5-22 573 Riverside Santa Rosa Mountains. Comment
  UC64504  Oxytheca trilobata H. M. Hall 1899-5-20 Riverside San Jacinto Mountains 1828 Comment
  RSA585631  Paeonia californica D. L. Banks, S. D. Boyd 1995-3-15 66 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  SD227758  Palafoxia arida Scott D. White, Pam Devries 1998-2-9 6084 Riverside Coachella Valley. La Quinta / Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  SFV7072  Palafoxia arida T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 772 Riverside Along US Highway 95 in Big Wash at east end of county. 116 Comment
  UCR148315  Palafoxia arida John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  UCR85144  Palafoxia arida A. C. Sanders, G. K. Helmkamp, P. MacKay 1995-3-12 16041 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  SEINET10799066  Palafoxia arida David B. Dunn 1946-3-15 Dunn 2038 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  UC69351  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork; San Jacinto Mountains, North Fork 914 Comment
  RSA597066  Panicum capillare D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1122 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve;, across from the junction with the road to the local golf course, in a vineyard. 426 Comment
  SBBG103859  Panicum capillare M. A. Patten 1992-5-7 92 -29 Riverside Santa Rosa Plateau along Via Vaquero at Via Oesta, ca. 5 mi km W of Temecula Comment
  RSA724047  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2004-9-18 4 -435 Riverside City of Corona, E of Santa Ana Canyon along Santa Ana River, ca. 0.5 mi S of 71 Freeway. 135 Comment
  RSA612688  Papaver californicum D. L. Banks 1997-3-29 1610 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  OBI82174  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  RSA678338  Parietaria hespera var. hespera Steve D. Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10475 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR241413  Parkinsonia aculeata T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7439 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  CAS-BOT-BC389657  Parkinsonia florida Deidre Conocchioli; Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla 110 Comment
  RSA698048  Parosela emoryi J. Russell Bruff 1929-1-1 406 Riverside 1000 Palms Comment
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Nov 9 2011
  CLARK-A1528-2021  Pectis papposa John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  RSA339231  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53597 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  SBBG19829  Pectis papposa E. R. Blakley 1963-9-18 6182 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  SD129613  Pectis papposa A. C. Sanders 1989-9-19 9507 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabasca Tank, along wash above Tabasca Target(UTM:11S,PH-35E,07N) 680 Comment
  UCR274822  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-10-18 119 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 109 Comment
  RSA0087459  Pectis papposa var. papposa Sarah J. De Groot, Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  SEINET2042520 Image available Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside (Desert Hot Springs Quad 7.5') Desert Hot Springs, NW corner of intersection of Pierson Blvd and Atlantic Blvd. Between flood control ditch and Pierson, W of high school. T2S R4E S25, (SE 1/4 of SW 1/4) 335 Comment
  UCR174944  Pectocarya linearis Jennifer H. Jones, Toby Bartels 2006-4-23 280 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  SEINET7063223  Pectocarya penicillata A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  RSA709972  Pectocarya platycarpa Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4590 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR116630  Pectocarya platycarpa A. C. Sanders 2001-3-20 23844 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UCR138578  Pectocarya platycarpa Steve Boyd, Orlando Mistretta 1986-3-13 1436 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  POM305611  Pectocarya recurvata Henry J. Ramsey, Henry J. Ramsey 1937-2-26 906 Riverside Whitewater. Comment
  UC2015644  Pectocarya recurvata A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16080 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR72208  Pectocarya recurvata Theo Glenn 1992-3-31 92- 18 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UC882271  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Joshua Tree National Monument, Cottonwood Springs wash Comment
  CAS-BOT-BC520447  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular range: Riverside, UCR Botanic Garden, at W edge of the herb garden 362 Comment
  RSA49194  Pellaea mucronata var. mucronata P. A. Munz 1949-4-13 13048 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA771629  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4995 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
  UC812405  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi nw of Elsinore 457 Comment
  CHSC1849  Penstemon antirrhinoides E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  CHSC1852  Penstemon centranthifolius L. Oliver; D. Sloan 1935-4-17 Riverside North Colorado desert. Comment
  UCR202246  Penstemon centranthifolius 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
  UCSB26814  Penstemon labrosus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns 2377 Comment
  RSA559335  Penstemon spectabilis Steve D. Boyd, Tim S. Ross 1992-5-15 7407 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  JEPS26107  Penstemon spectabilis var. spectabilis Peter H. Raven 1958-5-17 12952 Riverside on road to Idyllwild 7.4 mi se Banning (San Jacinto Mountains); , se of Banning rd to Idyllwild Comment
  UC103117  Penstemon spectabilis var. spectabilis A. W. Anthony Riverside San Jacinto Mts. Comment
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Apr 23 2011
  GMDRC6551  Penstemon spectabilis var. subviscosus J. M. Andre 2012-6-15 30503 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
  JEPS21328  Pentachaeta aurea W. L. Jepson 1903-8-5 2259 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  POM351576  Pentachaeta aurea Elbert Benjamine 1929-5-18 224 Riverside Mt. San Jacinto. Comment
  UCR122542  Pentachaeta aurea George K. Helmkamp, E. A. Helmkamp 2001-5-20 6672 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UC399570  Pentagramma triangularis subsp. triangularis Fred M. Reed 1908-2-23 2242 Riverside n of Wilder's Canyon; Jurupa Hills Comment
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Jul 30 2006
  CAS-BOT-BC77486  Peritoma arborea var. angustata Annie M. Alexander; Louise Kellogg 1941-5-23 2227 Riverside Cottonwood Spring, Eagle Mountains 883 Comment
  CAS-BOT-BC77530  Peritoma arborea var. arborea Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  CAS-BOT-BC355996  Perityle emoryi L. R. Abrams 1926-3-26 11012 Riverside Palm Springs Comment
  RSA0118595  Perityle emoryi Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA25474  Perityle emoryi C. L. Hitchcock 1940-3-31 5893 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UCD134908  Perityle emoryi Geoffrey Levin 1975-4-5 467 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. Colorado Desert. 60 Comment
  UCR148468  Perityle emoryi S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  SEINET269258  Petalonyx thurberi M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs. 183 Comment
  UCD117313  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta. 15 Comment
  UCR147738  Petalonyx thurberi Steve Boyd, Et al. 2004-5-14 11257 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
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Mar 19 2016
  UCR72192  Petalonyx thurberi Theo Glenn 1991-5-2 91- 127 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  SBBG4887  Petalonyx thurberi subsp. thurberi M. A. Piehl 1963-9-18 63840 Riverside near US 60, 70, 7.5 mi W of jct with Joshua Tree Mon Rd 373 Comment
  UC598734  Petalonyx thurberi subsp. thurberi John Bright 1936-4-21 12792 Riverside n. of Palm Springs; Colorado Desert Comment
  CAS-BOT-BC326769  Peucephyllum schottii Robert F. Thorne 1963-3-29 32441 Riverside South side of Eagle Mountains near pumping station of Metropolitan Water District about 12 miles west of Desert Center Comment
  UCR251345  Peucephyllum schottii S. J. Myers 2014-5-21 1067 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA166215  Phacelia ambigua Donald Myrick 1964-3-26 789 Riverside Joshua Tree National Monument, 15 miles S of 29 Palms. 762 Comment
  RSA21752  Phacelia ambigua Carl B. Wolf 1937-4-6 8424 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA425997  Phacelia ambigua M. B. Dunkle 1937-3-25 4913 Riverside Southeast of Indio. Comment
  RSA653710  Phacelia ambigua Scott D. White 2000-3-23 7637 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA74175  Phacelia ambigua F. W. Peirson 1922-4-9 4126 Riverside Palm Canyon Region, near Palm Springs. Comment
  RSA736783  Phacelia brachyloba Scott D. White, Angelia Carey 2004-7-2 10554 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UC672729  Phacelia brachyloba Harlan Lewis 1942-6-17 1710 Riverside approx. 2 mi w Pinon Flats Comment
  RSA0003811  Phacelia californica var. jacintensis E. C. Jaeger 1922-7-1 1045 Riverside Tahquitz Valley, San Jacinto Mts. Comment
  UC881004  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6845 Riverside Cottonwood Springs Comment
  JEPS2182  Phacelia cicutaria var. hispida Marjorie D. Clary 1932-3-20 1601 Riverside nw Garnet; Colorado Desert, Mission Creek 457 Comment
  UCR172184  Phacelia cicutaria var. hispida John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  RSA658623  Phacelia crenulata var. ambigua Trudy R. Ericson 1975-4-26 295 Riverside 2.8 mi. on jeep road which intersects Shivers Wells Road 28mi. east of Mecca on north side of paved road. 366 Comment
  UCD120367  Phacelia crenulata var. ambigua Richard Bates 1949-4-25 s.n. Riverside Cathedral Canon, southeast Palm Springs. Comment
  UCR214277  Phacelia crenulata var. ambigua A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37480 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
  RSA428301B  Phacelia cryptantha I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  CAS-BOT-BC133962  Phacelia distans John H. Thomas 1957-3-30 6568 Riverside Joshua Tree National Monument. About 3 miles southeast of White Tank near the road to Cholla Cactus Garden. About 20 miles northeast of Indio. 883 Comment
  CHSC99633  Phacelia distans LeRoy Gross; Leland Lubinsky, Victor Steinman, Linda Worlow 2005-2-17 1419 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': UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottoms and slopes. 479 Comment
  JOTR34226  Phacelia distans La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2012-5-12 3079 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline south of Quail Mountain peak with steep, north facing slopes (Stop 4) Comment
  RSA763659  Phacelia distans Doris Bowers 1972-4-15 1828 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  UC1563088  Phacelia distans Steve Boyd, B. Roy, T. S. Elias, S. Meury and S. Zona 1986-3-5 1356 Riverside Hwy 195 halfway between I-10 and Box Canyon (n base of mts.); Colorado Desert, Orocopia Mtns., Shavers Valley Comment
  UC702030  Phacelia distans Frank W. Gould 1943-4-18 2147 Riverside near Banning (on the Idlewild cutoff) Comment
  UCR133367  Phacelia distans Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 291 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 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
  UCR234299  Phacelia distans A. C. Sanders, John F. Green 2012-4-6 40016 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR265825  Phacelia imbricata Mitch Provance 2012-5-24 512- 06 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
  HSC86135  Phacelia imbricata subsp. patula B. Freeman, David Hagstrum 1969-6-28 69062811 Riverside San Jacinto Mtns., University of California James Reserve, bank overlooking Indian Creek Comment
  SEINET3158182  Phacelia ivesiana E. E. Schellenger 1905-3-12 sn Riverside Paloverde Valley Comment
  RSA516879  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA614537  Phacelia minor A. C. Sanders 1997-3-1 19704 Riverside Box Springs Mtns: Coyote Hill (Bench Mark Versity , 1386ft) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  RSA428263  Phacelia minutiflora N. C. Cooper 1949-4-8 3293 Riverside Desert Center. 610 Comment
  UCR90185  Phacelia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12149 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET3141298  Phacelia pedicellata R. W. Spellenberg 2001-4-26 13217 Riverside 30 air km NE of Mecca in feeder canton to Cottonwood Canyon 800 Comment
  UCR131795  Phacelia ramosissima Mitch Provance 1998-5-24 532 B Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  RSA764129  Phacelia suaveolens subsp. keckii L. M. Prince, Duncan S. Bell 2009-6-17 572 Riverside Cleveland National Forest Comment
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Jul 21 2018
  POM3757  Phacelia tanacetifolia P. A. Munz 1918-4-27 2155 Riverside Near Corona. Comment
  UCR2652  Phalaris canariensis F. M. Reed 1904-5-24 589 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  POM14420  Phalaris minor P. A. Munz, I. M. Johnston 1922-5-19 5381 Riverside 8 miles NE of Murietta. 412 Comment
  CAS-BOT-BC128868  Philadelphus microphyllus Philip A. Munz 1938-8-14 15392 Riverside About rocks, ridge east of Toro Peak - Santa Rosa Mts. 2438 Comment
  CAS-BOT-BC253558  Phleum alpinum H. M. Hall 1901-6-1 2351 Riverside In meadows and bots of Tahquitz Valley, San Jacinto Mountains 2438 Comment
  RSA467439  Phleum alpinum M. B. Dunkle 1933-7-22 3746 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  UCD89319  Phleum alpinum Carl V. Meyer 1928-7-26 538 Riverside San Jacinto Mountains, Deer Springs. 2651 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
  UCD102028  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  UC748989  Phoradendron californicum Susan Delano McKelvey 1935-12-6 5035 Riverside between Cottonwood Mts. and Mecca 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
  UCR95733  Phoradendron californicum L. C. Wheeler 1956-2-25 7176 Riverside Sonoran (Colorado) Desert, Deep Canyon, south of Palm Desert Comment
  UCD105049  Phoradendron juniperinum K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 17 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (I-10). 1632 Comment
  UC1078929  Phoradendron villosum Job Kuijt 1958-3-14 1494 Riverside 12.4 mi. s. Palm Desert 1066 Comment
  CAS-BOT-BC260907  Phragmites australis H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chino Canyon, San Jacinto Mts. Comment
  RSA0020259  Physalis acutifolia J. C. Roos 1951-9-25 5263 Riverside Riverside. 259 Comment
  SEINET3077619 Image available Physalis crassifolia C. Francis Shutts 1949-3-18 44 Riverside Box Canyon on old Mecca-Blythe Hwy. Orocopia Mountains. Salton Sink. 183 Comment
  UCR139378  Physalis crassifolia I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  RSA423910  Physalis crassifolia var. crassifolia Christopher Davidson 1980-4-4 7676 Riverside Orocopia Mts. Lower end of Box Canyon on Box Canyon Rd.; 4.4 mi. E of Mecca. 213 Comment
  UC64431  Pinus coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1313 Riverside Johnston Ranch San Jacinto Mt. 1354 Comment
  CLARK-A1656-883  Pinus flexilis Jim Cornett 1977-10-7 Riverside San Jacinto Mountains 2590 Comment
  UC1200607  Pinus flexilis Peter Kamb 1944-5-29 11 Riverside Mt. San Jacinto San Jacinto Mountains 3048 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
  UCSB70  Pinus jeffreyi Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  UC400328  Pinus lambertiana H. M. Hall 1901-1-1 2318 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  MACF014861  Pinus monophylla Dorothy L. Groninger 1964-12-5 21 Riverside Palms to Pines Highway 1219 Comment
  JEPS46873  Pinus ponderosa W. L. Jepson and Hall 1901-1 Riverside Santa Rosa Indian Reservation Comment
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Apr 2 2014
  POM230743  Pinus ponderosa I. W. Clokey, E. Y. Anderson 1935-8-21 6506 Riverside Idlewilde-Banning. Calif. San Jacinto Range. 1500 Comment
  UCSB145  Pinus quadrifolia Sager, Ginny 1960-5-15 Riverside 0.2 miles from Highway 74 on road to Anza Comment
  SEINET5462051 Image available Pinus quadrifolia Richard Carter 1984-12-25 3865 Riverside 1.5 mi. NE of Anza on Hwy. 371. Elev. 4500'. 1371 Comment
  RSA595275  Piptatherum miliaceum D. L. Banks, Victor Steinmann 1996-4-20 896 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
  UCR135821  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert, Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. -70 Comment
  UCR90960  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-16 3832 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR147039  Plagiobothrys arizonicus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mtns, Falls Creek, north side of Mount San Jacinto 549 Comment
  SD234339  Plagiobothrys canescens A. C. Sanders, John F. Green 2006-5-18 32369 Riverside Temecula/Murietta Region: SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, S of intersection of Chandler and Suzi Rds and S of Murrieta Hot Springs Rd, side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow. 106 Comment
  UCR155936  Plagiobothrys canescens John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR113194  Plagiobothrys collinus A. C. Sanders 1998-3-11 21676 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  LA210029  Plagiobothrys collinus var. californicus John O'Leary; 1975-4-12 346 Riverside Slope of Box Spring Mountain, about 5 mi from summit 609 Comment
  RSA674550  Plagiobothrys collinus var. californicus Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR260601  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41544 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  UCR281209  Plagiobothrys collinus var. fulvescens Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 33 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  UCR228175  Plagiobothrys jonesii Dave Silverman 2010-3-30 7888 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 183 Comment
  POM146287  Plagiobothrys leptocladus J. B. Feudge 1927-5-19 1751 Riverside Perris 396 Comment
  SBBG104067  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 3/4 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd just S of Tres Cerritos 460 Comment
  UCR30506  Plagiobothrys leptocladus John C. Roos 1952-5-7 5623 Riverside Flats at Edgemont 488 Comment
  UCR76172  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 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
  SEINET242057  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region: Temecula, Long Cnyn W of Del Rey Rd., along bottom of cnyn W of junxn of Ave. Pina Colada 366 Comment
  SD132299  Plagiobothrys tenellus A. C. Sanders, Ken Berg and M. Skinner 1990-4-15 10019 Riverside 2.0 miles northnortheast of Sage, Red Mountain Road, 0.25 mile east of County Road R3. Comment
  UCR20739  Plagiobothrys tenellus A. C. Sanders, Steve Boyd 1980-5-2 1407 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SD262338  Plantago elongata Mitch Provance, Jeremiah George, Matt K, Beyers, John Hazlett 2017-3-29 317 24 Riverside Elsinore Trough: Periodic E shoreline of Lake Elsinore (e.g. 1994) in the City of Lake Elsinore, A+- borderline with the Sedco Hills Neighborhood, City of Wildomar, in open space along W side of Mission Trail at Lewis St. (Lake Elsinore 7.5'Q) 387 Comment
  UCR162939  Plantago elongata Fred M. Roberts, D. E. Bramlet 2005-4-1 6148 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA388509  Plantago erecta Steve Boyd 1986-5-1 1806 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  SEINET272151  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside: Box Springs Mtns. S end of the range along Gernert Rd. in valley draining to Box Spring Cyn. UTM 10km cell: 457 Comment
  CSUSB1314  Plantago major Margaret-Lee Dean 1965-4-23 Riverside 3908 Linwood Place, Riverside 262 Comment
  RSA180245  Plantago major E. W. Lathrop 1964-5-24 5390 Riverside 8 miles west of Murrieta Comment
  RSA778627  Plantago ovata Duncan S. Bell 2009-3-8 68 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  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
  SD181423  Plantago ovata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1097 Riverside Little San Bernardino Mountains region; mouth of West Wide Canyon, northnorthwest of junction of Dillon Road and Ford Avenue. 395 Comment
  UC888393  Plantago ovata Carl B. Wolf 1932-4-27 Riverside 5 mi e Desert Center (n base of Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  UCR133968  Plantago ovata Mitch Provance, J. S. Ross 1998-3-27 MOR- 951 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR20763  Plantago ovata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1327 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
  UCR260216  Plantago ovata A. C. Sanders, Jim Malusa 2015-3-10 41376 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  POM46966  Plantago ovata var. fastigiata Mary F. Spencer 1920-3-13 1488 Riverside Mecca -60 Comment
  POM1499  Platanus racemosa I. M. Johnston 1917-4-4 1094 Riverside Andreas Canyon, near Palm Springs. 229 Comment
  SD233899  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 793 Comment
  JEPS29293  Platystemon californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8388 Riverside about 5 mi se Corona (just n of Bedford Canyon); eastern base of Santa Ana Mountains, n of Bedford Canyon 304 Comment
  JOTR31183  Platystemon californicus La Doux, Tasha, G. Clifton 2009-5-14 1980 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA445698  Platystemon californicus Jeannette B. Edge 1934-3-18 18853 Riverside [San] Timoteo Canyon. 518 Comment
  RSA674593  Platystemon californicus Scott D. White 2000-5-5 7772 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCSB30907  Platystemon californicus Marks, R. 1978-3-16 Riverside 3/4 mi. east of orange grove; at 3000 McAllister Dr; in Riverside 457 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
  POM68795  Plectritis ciliosa subsp. insignis Marcus E. Jones 1882-4-24 3167 Riverside San Jacinto. Comment
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Dec 9 2010
  RSA560375  Plectritis ciliosa subsp. insignis Steve D. Boyd 1992-4-14 6807 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  JEPS70532  Pleuraphis rigida W. L. Jepson 1912-10-28 5241 Riverside in the wash near Riverside Mts.; along the Colorado River, near Riverside Mts. 45 Comment
  JOTR30071  Pleuraphis rigida La Doux, Tasha, Bill Truesdell 2006-10-3 1714 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA515196  Pleuraphis rigida Steve Boyd, O. Mistretta 1986-3-13 1464 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SBBG14817  Pleuraphis rigida E. R. Blakley 1962-11-25 5481 Riverside 5 mi W of Blythe on US Hwy 60 and 70 121 Comment
  SBBG585  Pleuraphis rigida H. and M. Dearing 1942-4-6 4868 Riverside 10 mi W of Blythe Comment
  SEINET3104756  Pluchea sericea Faulkner 1978-3-21 345 Riverside 9 mi N of Blythe, Hwy 95. 152 Comment
  UCR120341  Pluchea sericea Mitch Provance 1998-7-23 907 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  SD136950  Poa annua Steve Boyd 1992-4-14 6816 Riverside Santa Ana Mtns, San Mateo Wilderness Area. Western edge of Oak Flats area along Bluewater Tr. From Verdugo Tr. S to crest of ridge W side of Bluewater Cyn. 730 Comment
  RSA752876  Poa pratensis Orlando Mistretta 2009-7-10 4001 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  SEINET3123355 Image available Poa pratensis T. B. Salvato, John F. Green 2004-1 608 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp Comment
  RSA179487  Poa secunda E. W. Lathrop 1965-4-11 5649 a Riverside 10 mi. W. of Murrieta Comment
  UCR38689  Polanisia dodecandra subsp. trachysperma J. M. Stewart 1985-7-9 8524 Riverside Sonoran (Colorado) Desert, Living Desert (nursery), 47900 Portola Ave., Palm Desert. 122 Comment
  CAS-BOT-BC167526  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-9 2139 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains 975 Comment
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  UCR66446  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside Peninsular Range, Temecula Canyon Comment
  POM153401  Polygonum punctatum P. A. Munz, I. M. Johnston 1928-9-12 11300 Riverside 3 miles north of Temecula. Warm Springs Creek Comment
  UCR40195  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  RSA65917  Polygonum ramosissimum F. W. Peirson 1938-4-10 12379 Riverside 1-2 miles west of Blythe. Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  RSA736698  Polypogon monspeliensis Scott D. White 2004-4-26 10252 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  JOTR30282  Polypogon viridis La Doux, Tasha, Alice Miller 2007-5-31 1778 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  RSA771034  Polypogon viridis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4541 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  IRVC175  Polystichum imbricans subsp. curtum C. Thompson 1965-4-24 HS 548 Riverside Upper San Juan Creek Camp; Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  SEINET10793989  Polystichum imbricans subsp. curtum George Yatskievych, Kay McCrary 1984-7-30 Yatskievych 84 -119a Riverside 0.6 mile S of Fuller Mill Creek Picnic Grounds on state Route 243; granitic side ravine of North Fork of San Jacinto River. T04S R02E S26 NE4. 1676 Comment
  POM49461  Populus X parryi E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  CLARK-A1528-835  Populus fremontii Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  SEINET10965416  Populus fremontii David B. Dunn 1947-9-21 Dunn 3514 Riverside Pushawalla canyon. Seedlings growing in the wet sand. Comment
  SEINET11984523  Populus fremontii subsp. fremontii E. K. Balls, Everett, P. C. 1957-1 22797 Riverside Snow Creek, N base San Jacinto Mts 701 Comment
  CAS-BOT-BC356168  Porophyllum gracile W. L. Jepson 1912-10-22 5242 Riverside Riverside Mts. 137 Comment
  RSA180483  Potamogeton foliosus E. W. Lathrop 1960-6-9 4971 Riverside 14 miles west of Murrieta. Comment
  RSA234093  Potamogeton pusillus Robert F. Thorne, E. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado; deeper water up to 1 m behind the dam at S end of vernal marsh 625 Comment
  UC420560  Potentilla rimicola F. M. Reed 1908-7-13 2529 Riverside summit of Tahquitz Mt.; San Jacinto Mountains, summit of Tahquitz Mt. 2621 Comment
  UCR17319  Prosopis glandulosa var. torreyana Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  RSA86976  Prosopis pubescens F. W. Peirson 1920-12-29 2338 Riverside Andreas Canyon near Palm Springs 244 Comment
  POM244  Prunella vulgaris var. lanceolata M. Durant 1919-5-18 s.n. Riverside Riverside, in lawn Comment
  JEPS89201  Prunus fremontii Rimo Bacigalupi and L. Heckard, P. C. Hutchison 1962-3-23 8366 Riverside 1.5 mi above and s of Seven Level Hill (at base of Black Hill, along state hwy 74, 11.5 mi above and s of beginning of hwy 74 at Palm Desert); Black Hill 911 Comment
  RSA388401  Prunus ilicifolia Robert F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61195 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
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Dec 26 2009
  CLARK-A1656-693  Psathyrotes ramosissima Lois Ann Scott 1978-3-15 Riverside Mecca 243 Comment
  RSA697082  Psathyrotes ramosissima W. Marquart 1938-3-12 s.n. Riverside 10 mi. W. of Desert Center. Comment
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Apr 5 2011
  SBBG62543  Psathyrotes ramosissima F. M. Reed 1927-3-18 Riverside Salt Crk Wash, N of Salton Sea Comment
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Jul 30 2006
  UCD135009  Psathyrotes ramosissima Lewis S. Rose 1935-12-23 s.n. Riverside 7 miles south of Cathedral City. Colorado Desert. 152 Comment
  UCR33597  Psathyrotes ramosissima Sears 1978-3-18 940 Riverside Sonoran (Colorado) Desert, Corn Springs wash at Corn Spring. 7 mi SE of Desert Center in wash 473 Comment
  UC1536873  Pseudognaphalium biolettii G. H. True Jr. 1935-3-11 88 Riverside Gavilan Hills 548 Comment
  CAS-BOT-BC356791  Pseudognaphalium californicum Steve Boyd; Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA0121381  Pseudognaphalium luteoalbum Duncan S. Bell, LeRoy Gross 2016-3-30 9146 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  POM415953  Pseudognaphalium stramineum M. B. Dunkle 1933-7-20 3697 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA528058  Psilocarphus brevissimus A. C. Sanders 1991-4-19 10922 Riverside Edgemont area, E of Sycamore Canyon. 0.8 mile W of Highway I-215, on East Ridge Dr. (=Eucalyptus), just W of Pepsi Plant 466 Comment
  UCR228254  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2011-4-1 38932 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  RSA92380  Psilocarphus brevissimus F. W. Peirson 1922-4-29 2949 Riverside South of Lake Elsinore. 381 Comment
  UCSB3040  Psorothamnus arborescens Long, Frances 1939-12-31 Riverside -5 Palm Springs, Calif. Comment
  UC52161  Psorothamnus emoryi E. E. Schellenger Jul 25 1903-Aug 14 1903 4 Riverside near Palm Springs (Colorado Desert); , near Palm Springs Comment
  UCR124002  Psorothamnus schottii George K. Helmkamp, E. A. Helmkamp 2001-4-14 6463 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  UCR135718  Psorothamnus schottii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9007 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR166543  Psorothamnus schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10891 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCSB3058  Psorothamnus schottii Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  RSA125245  Psorothamnus spinosus E. K. Balls, George B. Everett 1957-8-20 22668 Riverside Palm Springs, on S boundary, along rd. to Cathedral City. 91 Comment
  RSA762186  Pteridium aquilinum var. pubescens Peter Guiden, C. Martinez, N. Fraga, L. McDade 2010-8-14 67 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG56227  Pteridium aquilinum var. pubescens M. Lewis 1947-8-26 18 Riverside San Jacinto Mtns 1981 Comment
  UCR24933  Pterospora andromedea A. C. Sanders 1981-7-19 1687 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  RSA586098  Pterostegia drymarioides D. L. Banks, S. D. Boyd 1995-4-5 138 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  RSA586318  Pterostegia drymarioides D. L. Banks, S. D. Boyd 1995-5-3 229 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
  UC1930054  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 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
  UC64579  Pterostegia drymarioides H. M. Hall May 1899 Riverside at Van de Venter's, San Jacinto Mts. San Jacinto Mts., Van de Venter's 1371 Comment
  UCR112964  Pterostegia drymarioides B. G. Pitzer 1998-3-1 3559 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR116853  Pterostegia drymarioides A. C. Sanders, Steven R. Hill 2001-5-4 24140 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR205276  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 19456 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 366 Comment
  UCR241689  Pterostegia drymarioides T. B. Salvato 2013-3-22 7403 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  JOTR32641  Purshia tridentata var. glandulosa La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2562 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  UC1329921  Purshia tridentata var. glandulosa James E. Cole 1941-5-17 722 Riverside Covington Flat; Joshua Tree National Monument 1584 Comment
  UC511836  Purshia tridentata var. glandulosa Frank W. Peirson 1933-4-13 10645 Riverside road from Deep Canyon to Idyllwild 1524 Comment
  RSA0081606  Pyrola aphylla P. A. Munz 1922-9-6 6389 Riverside Hidden Lake, San Jacinto Mountains. 2286 Comment
  SDSU6972  Quercus agrifolia var. agrifolia Ruth Miller, James C. Dice 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. T8S, R3W, section 22. 111 Comment
  UCD58715  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 580 Riverside San Bernardino National Forest: San Jacinto Mountains: 2.3 mi. W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  UCSB1042  Quercus agrifolia var. oxyadenia Neely, William 1948-10-3 Riverside above Pinyon Flats, Santa Rosa Mts. 1193 Comment
  RSA475286  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  UCR178612  Quercus berberidifolia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 446 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR182371  Quercus berberidifolia Andrea Salzman 2006-4-20 78 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, near Elsinore Peak off Main Divide Road 1006 Comment
  CAS-BOT-BC62441  Quercus chrysolepis Scott D. White 1996-8-1 4443 (1 of 2 replicates) Riverside San Jacinto Mts., Idylwild area. North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 1615 Comment
  SD229172  Quercus chrysolepis Dick Schwenkmeyer 2012-8-7 789 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  SEINET5569535  Quercus chrysolepis R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  SBBG44655  Quercus cornelius-mulleri W. B. Holt 1941-10-21 11 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  CAS-BOT-BC257626  Quercus dumosa P. S. Manos 1988-10-27 676 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  SBBG92531  Quercus engelmannii B. Pitzer 1988-6-8 1045 Riverside Rancho Californica area, avocado grove S of Avenida del Oro, just past Calle Capistrano Comment
  UCR110934  Quercus engelmannii D. E. Bramlet 1991-4-29 2074 Riverside Shipley Reserve, Rawson Canyon c. 2 mi north of Lake Skinner. NW ridgeline of Black Mtn. c. 200 ft east of the existing access rd. 585 Comment
  RSA761235  Quercus kelloggii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 718 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET13953550 Image available Quercus kelloggii Carl B. Wolf 1932-1 3992 Riverside San Jacinto Mts. Strawberry Valley, base of Devil's Slide Trail to Tahquitz Valley 1707 Comment
  SEINET13953263 Image available Quercus palmeri J. C. Roos 1965-1 Riverside Summit of Pines to Palms Road (Hwy 74) south of Palm Desert, Santa Rosa and San Jacinto Mountains. Comment
  POM145260  Quercus turbinella E. C. Jaeger 1927-12-20 s.n. Riverside Palm Canyon, Eagle Mts. 915 Comment
  POM12865  Quercus wislizeni var. frutescens P. A. Munz 1922-6-30 5907 Riverside Santa Rosa Mts.: Santa Rosa. 1982 Comment
  UCR171  Quercus wislizeni var. frutescens Frank C. Vasek 1955-5-21 215 Riverside San Jacinto Mtns, 1 mile east of Santa Rosa Summit 1463 Comment
  UCR20789  Rafinesquia californica A. C. Sanders, S. D. Boyd 1980-5-2 1399 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA0124373  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-31 9197 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  SEINET6035485  Rafinesquia neomexicana Ivan Johnston 1917-4-4 Riverside Palm Canyon. Comment
  RSA95061  Rafinesquia neomexicana F. W. Peirson 1920-2-16 2762 Riverside Garden of Eden at Palm Springs Comment
  UC1931199  Ranunculus aquatilis Scott D. White, Justin Wood 2008-7-9 12442 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR389  Ranunculus cymbalaria var. saximontanus K. H. Fisher 1968-4-4 680404- 03 Riverside Peninsular Range; San Jacinto Mtns., San Jacinto River, near Lake Hemet. c. 100 yards east of Hwy 74 1326 Comment
  UC1608236  Ranunculus hebecarpus Steve Boyd 1992-4-15 6849 Riverside Bluewater Tr. downstream to confluence with San Mateo Creek; Santa Ana Mtns, San Mateo Cyn Wilderness Area, Bluewater Cyn 335 Comment
  RSA557314  Ranunculus oxynotus Julie Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1415 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  UCR65291  Ranunculus sceleratus Steve Boyd, T. S. Ross 1989-8-28 3807 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  UCR183341  Raphanus raphanistrum Mitch Provance 2005-5-27 4604 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA0049510  Raphanus sativus Margaret Murphy 1983-5-1 0017 -B Riverside Dry riverwash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA524456  Rhamnus crocea Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4075 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
Read comments
Nov 5 2011
  UC1121808  Rhamnus crocea A. Lewis 1934-5-1 460 Riverside 0.5 mi ne El Casco; Elsinore Quad. 731 Comment
  UCR58482  Rhamnus crocea Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR26214  Rhamnus ilicifolia John C. Roos 1948-5-15 3833 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  POM15198  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1922-6-24 1166 Riverside Tahquitz trail prope [near] Idyllwild. 1585 Comment
  UCR21166  Rhus aromatica Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  CLARK-A1528-118  Rhus ovata I. Rauch 1968-5-14 Riverside Santa Ana Mountains Comment
  RSA650225  Rhus ovata James Carill 1949-3-26 s.n. Riverside 1/2 mi. So. Palm Springs. 91 Comment
  RSA650233  Rhus ovata Phil Elliott 1981-2-16 10 Riverside S. of Lake Elsinore, On CA Hwy 74. 4.2 miles south of Grand 548 Comment
  UCR106065  Ribes malvaceum A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  SBBG72070  Ribes montigenum J. Ewan 1930-9-1 Riverside Mount San Jacinto 3293 Comment
  UCR4163  Ricinus communis R. H. Sauer 1965-4-30 s.n. Riverside Peninsular Range, Intersection of Chase Drive and Skyline Drive, 3.5 mi SW of Corona 244 Comment
  POM319730  Ricinus communis Patricia Wilder 1970-10-30 4855 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  RSA638201  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  CLARK-A1528-364  Rorippa nasturtium-aquaticum Stephen J. Southwell 1971-5-25 Riverside West Riverside 304 Comment
  UCR188895  Rorippa palustris subsp. occidentalis Fred M. Roberts, S. Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SD136761  Rosa californica Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7323 Riverside Southern Santa Ana Mountains, San Mateo Canyo9n Wilderness Area. San Mateo Canyon, from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  SDSU12267  Rubus ursinus Jeremy Mass, Ryan Jacobsen 2000-4-19 14 Riverside Along road near edge of Stone Creek close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  SDSU9248  Rubus ursinus Thomas A. Zink 1971-4-1 Riverside Just south of Fairmont Park. 244 Comment
  POM153389  Rumex maritimus P. A. Munz, I. M. Johnston 1928-9-12 11259 Riverside Temescal Canyon, Lee's Lake. Comment
  UC130493  Rumex maritimus Charlotte M. Wilder 1909-7-15 794 Riverside Hemet Dam San Jacinto Mts. Comment
Read comments
Mar 25 2011
  POM13395  Rumex salicifolius E. C. Jaeger 1922-8-22 1019 Riverside Long Valley. 2530 Comment
  UCR274290  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-6 1412 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR113986  Rumex salicifolius var. salicifolius Mitch Provance, A. C. Sanders 2000-7-4 2109 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA605755  Sagina apetala A. C. Sanders 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weedsin landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr., (33 deg 51 N, 116 deg 33 W.) 250 Comment
  UCR17576  Sagina saginoides var. hesperia E. C. Jaeger 1921-7-4 s.n. Riverside San Jacinto Mtns., Round Valley 2744 Comment
  JOTR30066  Salazaria mexicana La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1696 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  UCR244393  Salazaria mexicana Jim Andre 2012-4-16 20973 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  CAS-BOT-BC103902  Salix exigua F. R. Fosberg 1932-3-13 8077 Riverside Thousand Palms Canyon, Choachella Valley Comment
  POM319270  Salix exigua Patricia Wilder 1972-2-18 5354 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  SD11898  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  CAS-BOT-BC108120  Salix gooddingii Marjorie Clary 1934-3-3 s.n. Riverside Carrizo Canyon [Canon], 18 mi. w. of Indio 304 Comment
  SD233938  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  CLARK-A1528-4055  Salix hindsiana var. leucodendroides John C. Roos, Lucille Roos 1952-3-1 5382 Riverside Moreno Comment
  SD80051  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1970-3-27 268 Riverside Andreas Canyon, east slope San Jacinto Mts. 305 Comment
  UCR93828  Salix laevigata G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  SD152755  Salix lasiolepis Steve Boyd, T. Ross, O. Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. 305 Comment
  UCR270567  Salix lasiolepis John F. Emmel 1998-5-2 1546 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.8 road mile SE of national forest boundary 729 Comment
  CAS-BOT-BC126318  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  SD262350  Saltugilia australis Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417 62 Riverside Peninsular Ranges: Wildomar, Sedco Hills, along transmission road between Lost Rd and Lake View Rd (Lake Elsinore 7.5'Q) 563 Comment
  UCR108494  Saltugilia australis A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16154 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  RSA0094964  Saltugilia australis E. S. Spalding 1925-1 s.n. Riverside San Jancinto Mts. Comment
  UC455468  Saltugilia splendens subsp. splendens I. J. Condit 1910-6-22 Riverside San Jacinto Mts. Comment
  UCR234759  Salvia apiana A. C. Sanders, John F. Green 2012-6-25 40314 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  RSA411372  Salvia carduacea Bonnie C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. 600 Comment
  RSA613157  Salvia carduacea C. Epling, Joseph A. Ewan 1933-06 s.n. Riverside Near Alberhill, Temescal Canyon. Comment
  JOTR32162  Salvia columbariae La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2314 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA777786  Salvia columbariae Jim Andre 2011-2-9 15911 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UC1537560  Salvia columbariae Gordon H. True Jr. 1935-2-20 5 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCD125702  Salvia columbariae Louis B. Ziegler 1965-11-10 s.n. Riverside Hemet Valley, San Jacinto Mountains, along a road about one mile north of Kenworthy Ranger Station. 1524 Comment
  UCD125738  Salvia columbariae Evert I. Schlinger 1952-3-28 27 Riverside Perris. 443 Comment
  UCR103189  Salvia columbariae Scott D. White, Julie Greene 1997-3-12 4784 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR224449  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR241103  Salvia columbariae A. C. Sanders, Timothy W. Chumley 2013-4-2 40740 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR269919  Salvia columbariae Daphne K. Christopher, Hannah I. Stevens 2003-4-3 078 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCSB5783  Salvia columbariae Cline, C. 1960-5-15 Riverside 0.2 miles from Hwy. 74; on road to Anza 1219 Comment
  UCR142874  Salvia eremostachya A. Lee Haines, L. C. Erickson 1937-4-10 s.n. Riverside Santa Rosa/San Jacinto Mtns., Palms-to-Pines Highway near road to Shumway Ranch 1098 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
  SEINET10499109  Salvia mellifera James S. Miller 1992-5-8 Miller 7454 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UCR108394  Salvia mellifera D. L. Banks, V. W. Steinmann 1997-3-13 1465 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
  CAS-BOT-BC233343  Salvia vaseyi Carl B. Wolf 1940-10-31 9762 Riverside Morongo Wash 6/10 mi. below San Bernardino Co. line, Little San Bernardino Mts. 670 Comment
  RSA739278  Salvinia minima Richard E. Riefner 2008-7-5 8 -214 Riverside Riverside County: Cathedral City, Perez road at Date Palm Dr. 82 Comment
  RSA650336  Sambucus caerulea Gregorio Hernandez 1953-1-24 s.n. Riverside Around El Casco Lake. Between Redlands and Beaumont. On San Timoteo Canyon Rd. Comment
  UCR101320  Sambucus mexicana A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22220 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR270170  Sambucus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42390 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
  SEINET13945113 Image available Sanicula arguta A. C. Sanders, T. Glenn 1983-1 3733 Riverside Mesa de Colorado, Santa Ana Mountains, 5 miles(airline) SW of Murrieta. (Near 1176 17' W, 33 deg. 31' N). 610 Comment
  SEINET3081288 Image available Sanicula arguta Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundry. 381 Comment
  SEINET244780  Sarcostemma cynanchoides A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-7 24174 Riverside Perris-Aguanga Basin; S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi E of State St., between Silver Dew Dr. and Morse Girard St., Slopes and wash below the mouth of Avery Canyon 503 Comment
  UC1546665  Sarcostemma cynanchoides subsp. hartwegii Barry A. Prigge 1988-2-21 7858 Riverside 2 mi. w. Clemens Well; Colorado Desert, Orocopia Mts. 228 Comment
  RSA0105293  Schismus arabicus Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7746 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  UCR216113  Schismus arabicus Jim Andre, T. La Doux 2009-2-25 10812 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR260313  Schismus arabicus A. C. Sanders, Jim Malusa 2015-3-10 41382 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  RSA483279  Schismus arabicus Robert Gustafson 1980-4-3 1519 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CAS-BOT-BC111019  Scirpus microcarpus Earl W. Lathrop 1965-5-7 57156 Riverside 5 miles SW of Murrieta on the DeLuz road Comment
  UCD124837  Scrophularia californica J. S. Ross; T. Tennant, G. White 1998-5-21 MOR 213 Riverside San Bernardino Mountains: Morongo Indian Reservation, upper Hathaway Canyon, ca. 1.25 miles north of the junction of the lower and upper canyons. Comment
  UCR132918  Scrophularia californica John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CAS-BOT-BC341097  Scutellaria mexicana Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-30 504 Riverside Below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring; north-west of Hwy 74 in Santa Rosa Mts. (Site 11) 1097 Comment
  CAS-BOT-BC341104  Scutellaria mexicana H. M. Hall 1901-6-1 2107 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  RSA445338  Scutellaria siphocampyloides Christopher Davidson 1978-6-15 7389 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  SD135263  Scutellaria siphocampyloides Craig Reiser, Dylan Hannon 1993-5-31 Riverside N side of Santa Rosa Peak Comment
  SD137719  Scutellaria tuberosa Darin L. Banks, Steve Boyd 1995-5-9 387 Riverside Agua Tibia Wilderness Area, north face of Agua Tibia Mountains, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 701 Comment
  VVC2879  Selaginella bigelovii Tim Thomas, P. J. MacKay 2010-4-12 5053 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA613403  Senecio californicus D. L. Banks 1997-4-5 1688 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR123225  Senecio californicus D. E. Bramlet 1993-4-15 2329 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 335 m north of Cajalco Road, 1.2 km west of the entrance gate and 152 m south of the access road 439 Comment
  UCR220122  Senecio californicus D. E. Bramlet 1989-4-7 1817 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  PASA1360  Senecio douglasii M. Stason 1931-5-24 Riverside sandy roadside near base of grade to idyllwild Comment
  POM250465  Senecio douglasii var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  RSA545239  Senecio flaccidus var. douglasii R. F. Thorne 1970-10 41889 Riverside San Bernardino Mts, Whitewater Canyon: 1350ft near bridges and Whitewater Post Office to 2000 ft up the Canyon toward fish hatchery Comment
  GMDRC3751  Senecio mohavensis J. Andre, T. La Doux 2009-3-1 11249 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  RSA0118057  Senecio mohavensis Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7614 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA0121006  Senecio mohavensis Duncan S. Bell, LeRoy Gross 2016-3-8 8827 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  SEINET3406127 Image available Senecio mohavensis Jim Andre, T. La Doux 2009-3-10 11249 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood. (Cottonwood Basin 7.5' Q.) 542 Comment
  UCR279503  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-27 43106 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  JEPS121575  Senegalia greggii Adam C. Schneider with Will Freyman 2014-2-16 400 Riverside Upper Box Canyon Road. Comment
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  RSA0031606  Sequoiadendron gigan