Search Results — 2000 specimen records retrieved (1904 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  LA6360  Abies concolor Carl Epling; Elizabeth McClintock 1937-5-24 sn Riverside San Jacinto Mountains, Fern Valley, Idyllwild Comment
  CAS-BOT-BC229313  Abronia villosa Mary F. Spencer 1919-6-17 1330 Riverside Fields near San Jacinto 304 Comment
  CAS-BOT-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  CAS-BOT-BC229362  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside Six miles south-east of Garnet Station, Coachella Valley, Colorado Desert Comment
  CLARK-A1528-3259  Abronia villosa John C. Roos 1937-4-18 1364 Riverside Cabazon Comment
  RSA776187  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-10 204 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  SEINET269463  Abronia villosa var. aurita Scott D. White, Steve Ogg 1994-10-17 2488 Riverside Temecula Murrieta Creek channel directly W of Cherry Street. 315 Comment
  RSA0031614  Abronia villosa var. villosa Jim Andre 2013-3-27 24791 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  RSA748603  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-4-28 12595 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  JEPS64732  Acacia greggii W. L. Jepson 1912-10-29 5246 a Riverside near Blach Point (Riverside Mountains, along the Colorado River, Blythe Intake, Needles to Yuma); Riverside Mountains, Colorado River, Blythe Intake 88 Comment
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May 15 2011
  RSA735217  Acacia greggii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11239 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
  RSA0055055  Acacia greggii Nancy Anderson 1955-5-22 s.n. Riverside Palm Springs 138 Comment
  CAS-BOT-BC30903  Acamptopappus sphaerocephalus C. B. Wolf 1932-5-25 3681 Riverside San Gorgonia Wash. On road to Snow Creek Canyon 365 Comment
  RSA346618  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54033 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UC63196  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall May 17 1901-Jun 1 1901 1933 Riverside east base San Jacinto Mt. 609 Comment
  SBBG122757  Achnatherum coronatum A. Parikh 1990-5-10 165 Riverside S shore of Diamond Valley Lake, 3.4 km S of jct of Warren and Simpson Rds, 4.9 km E of Winchester Rd 543 Comment
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Apr 23 2011
  POM365987  Achnatherum hymenoides Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  RSA752884  Achnatherum lemmonii var. lemmonii Orlando Mistretta 2009-7-10 3993 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
  JEPS485  Achnatherum speciosum W. L. Jepson 1928-4-25 12574 Riverside Cottonwood Spring Colorado Desert 731 Comment
  RSA359521  Achyrachaena mollis Steve Boyd 1986-3-9 1382 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain 427 Comment
  RSA423498B  Achyronychia cooperi Robert L. Dressler 1949-3-19 387 Riverside Box Canyon, Orocopia Mts. Comment
  UCR116304  Achyronychia cooperi B. G. Pitzer 1998-2-1 3431 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  CHSC109018  Acmispon glaber var. brevialatus Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4697 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) between N33.97538, W116.65161 and N33.97568, W116.65119. 600 Comment
  JOTR34089  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  JOTR34168  Acmispon glaber var. brevialatus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 125 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  SDSU4342  Acmispon glaber var. brevialatus H. Wedberg 1965-5-23 1117 Riverside At 1/2 mile east of Cranston Ranger Station on the road from Hemet to Mountain Center. 610 Comment
  UCD104282  Acmispon rigidus L. S. Rose 1935-12-23 s.n. Riverside Above Deep Canyon, San Jacinto Mts., 22 mi. so. Of Cathedral City, Colorado Desert. 1066 Comment
  RSA0047274  Acmispon strigosus J. Mark Porter, Lauren E. Machen 1997-2-15 11417 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SBBG3488  Acmispon strigosus H. and M. Dearing 1941-3-7 4814 Riverside Cathedral City bajada Comment
  SBBG37495  Acmispon strigosus R. N. Muller 1967-5-5 31 Riverside UC Riverside campus, next to rd outside of SW corner of UCR Botanic Garden Comment
  UCSB3228  Acmispon strigosus Krogen, Roger 1957-1 Riverside Whitewater Canyon, 2 mi. N of Hwy. 60-70 at Whitewater Comment
  UCR133454  Adenostoma fasciculatum Tracy Tennant, J. S. Ross 1998-7-30 MOR- 676 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  UCR21920  Adenostoma fasciculatum Steve Boyd 1980-5-11 248 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  LA207889  Adenostoma sparsifolium H. Lewis; 1939-10-22 1036 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  UCSB15079  Adenostoma sparsifolium Breedlove, Dennis 1961-8-5 Riverside Steep slope at junction of Riverside Highway 1 and State Highway 74; San Jacinto Mountains 1524 Comment
  RSA180464  Agoseris grandiflora var. grandiflora E. W. Lathrop 1960-5-27 5232 Riverside 6 miles west of Murrieta. Comment
  UCR34898  Agoseris retrorsa L. B. Ziegler 1967-6-1 145 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1375 Comment
  POM1145  Agrostis idahoensis H. M. Hall 1897-8-10 784 Riverside Tahquitz Valley. 2652 Comment
  RSA754128  Agrostis idahoensis W. Schlegel, Andrew Troutte 2008-8-8 4 Riverside Idyllwild: Dry creek bed. Comment
  UCR90275  Agrostis pallens Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3335 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CLARK-A1528-7824  Agrostis scabra John C. Roos 1937-8-18 494 Riverside San Jacinto Mountains Comment
  LA10260  Agrostis stolonifera F. M. Reed; 1906-7-5 1124 Riverside roadside in Riverside, Vicinity Comment
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Feb 23 2014
  UCR2132  Agrostis viridis F. M. Reed 1907-6-2 1391 Riverside South Coast; San Bernardino Valley, old pasture along Crestmore Road, West Riverside 268 Comment
  POM14992  Allenrolfea occidentalis Mary F. Spencer 1920-3-15 s.n. Riverside Mecca, Colorado Desert. -48 Comment
  RSA793605  Allionia incarnata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4207 Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UC1595727  Allionia incarnata W. Wisura, J. Dolan, M. Wall 1992-3-25 4653 Riverside 2.7 mi s of prison on Wileys Well Road Wileys Well Road Comment
  UCR19401  Allionia incarnata Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mountains Comment
  RSA715375  Allium A. C. Sanders 1999-4-28 22709 -B Riverside Riverside, UCR Botanic Garden. 351 Comment
  UC479033  Allium haematochiton Marcus E. Jones, A. M. 1931-3-2 28394 Riverside Corona Comment
  UCR79363  Allium munzii Steve Boyd 1992-4-18 6905 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  CAS-BOT-BC475412  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  UCR91459  Allium praecox Scott D. White 1995-3-30 2676 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR104085  Allophyllum divaricatum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20633 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
  LA210332  Allophyllum glutinosum Harlan Lewis; E. McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  UCR17613  Alnus rhombifolia N. R. Zabriskie, W. M. Zabriskie 1971-2-13 339 Riverside Western Colorado Desert/ San Jacinto Mtns, N bank 100 yds upstream from crossing below Clubhouse; Andreas Canyon, E slope mtns Comment
  UCR17688  Alternanthera caracasana O. F. Clarke 1965-10-12 s.n. Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street 306 Comment
  UCR159257  Amaranthus albus A. C. Sanders, Kelly Volansky 2005-8-31 31590 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
  UCR42375  Amaranthus albus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 191 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR230601  Amaranthus blitoides A. C. Sanders 2011-9-15 39895 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  CLARK-A1528-1393  Amaranthus californicus John C. Roos 1937-8-19 2020 Riverside San Jacinto Mountains Comment
  UCD97223  Amaranthus fimbriatus B. Pitzer 1997-10-19 3354 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd. 499 Comment
  UCR272673  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  RSA402998  Amaranthus hybridus J. S. Stubblefield 1940-9-27 s.n. Riverside growing on ranch near Temecula Comment
  RSA416903  Ambrosia acanthicarpa H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
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Nov 2 2011
  SEINET2073811  Ambrosia acanthicarpa S. Rhodes 2000-9-14 148 Riverside Desert Center, Dillon Road exit off I-10, sandy, disturbed area in Larrea tridentata desert. 274 Comment
  CAS-BOT-BC22607  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -334 Riverside Joshua Tree National Monument: about 6 mi S of Entrance to Cottonwood Springs Campground Comment
  HSC79252  Ambrosia dumosa G. K. Helmkamp 1984-5-2 - 17 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  RSA33503  Ambrosia dumosa N. C. Cooper 1944-4-8 1063 Riverside Andreas Canyon. 305 Comment
  RSA416960  Ambrosia dumosa Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA676121  Ambrosia dumosa Scott D. White 2001-4-3 8250 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC68912  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside near Mule Springs; Colorado Desert Comment
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Sep 11 2011
  UCR100206  Ambrosia dumosa B. G. Pitzer 1997-10-19 3361 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  POM246586  Ambrosia ilicifolia E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, chuckawalla Mts. Colorado Desert. 366 Comment
  CAS-BOT-BC273025  Ambrosia salsola Munz; Street; Williams 1919-3-25 2322 Riverside Palm Springs Comment
  RSA653237  Ammannia coccinea Mitch Provance 2000-7-4 2103 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  SEINET5789314 Image available Amorpha californica A. E. Grable 1976-7-4 6451 Riverside Santa Rosa Mtns. Rd. near Mtn. Home Spring. SW-facing slope, open chapparal hillside. T7S S28 NE1/4 SW 1/4 Comment
  RSA768578  Amorpha fruticosa Justin M. Wood 2010-5-19 1847 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  RSA0089991  Amsinckia douglasiana Severauce 1926-2-20 s.n. Riverside Murray Canyon. Comment
  CLARK-A1528-324  Amsinckia intermedia Bruce Freeman 1968-4-14 680414-3 Riverside Riverside 365 Comment
  RSA0089621  Amsinckia intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, Lonnie Rodriquez, April Sall 2010-4-12 4572 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 525 Comment
  SD73597  Amsinckia intermedia Helen V. Witham 1970-5-1 849 Riverside Bautista Canyon, southeast of Hemet 800 Comment
  UC306211 Image available Amsinckia intermedia Ivan Johnston 1917-3-1 Riverside mouth Andreas Canyon; ; Mouth of Andreas Canon 243 Comment
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Nov 27 2010
  UCR167069  Amsinckia intermedia Scott D. White 2005-3-29 10845 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR174451  Amsinckia intermedia A. C. Sanders 2006-5-11 32262 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR234289  Amsinckia intermedia A. C. Sanders, John F. Green 2012-4-6 40015 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
  UC455990  Amsinckia menziesii var. menziesii I. J. C. O. Edwards 1908-5-31 Riverside Estudillo Rancho; San Marguerita Comment
  UCR100044  Amsinckia menziesii var. menziesii Scott D. White 1993-3-3 1092 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA0125286  Amsinckia tessellata Duncan S. Bell 2016-3-4 8791 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UCR52071  Amsinckia tessellata var. tessellata C. Huebner 1988-4-17 8- 13 Riverside Gavilan Hills, Harford Springs County Park; Gavilan Rd.; 1 mile east of Cajalco Rd. 732 Comment
  SEINET7248339 Image available Amsonia tomentosa Duncan S. Bell, Evan Meyer 2014-1 6527 Riverside Colorado Desert; Chocolate-Chuckwalla Mountain region: Chuckwalla Mountains; approx. 0.75 air mile southeast of Aztec Well. 703 Comment
  RSA586498  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0329 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
  RSA714021  Ancistrocarphus filagineus R. E. Riefner 2005-4-15 05 -200 Riverside City of Hemet, hills E ca. 1.5 mi. off Winchester Road and Florida Ave. 515 Comment
  RSA388423  Anemopsis californica R. F. Thorne, Steve D. Boyd, E. W. Lathrop 1985-7-18 61189 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA502591  Anemopsis californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3727 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  RSA628492  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  POM9753  Antennaria rosea E. C. Jaeger 1921-6-20 275 Riverside Long Valley, San Jacinto Mts. Comment
Read comments
Oct 6 2009
  JEPS5302  Antirrhinum coulterianum W. L. Jepson 1928-4-19 12433 Riverside 5 mi n Elsinore 609 Comment
  POM17948  Antirrhinum coulterianum Philip A. Munz 1923-6-14 7106 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA4396  Antirrhinum coulterianum R. C. Bacigalupi 1954-4-25 4396 Riverside First-year 'burn' along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  UC76433  Antirrhinum coulterianum Miss M. Alice King Apr 1893 Riverside Menifee Comment
  UCR133654  Antirrhinum coulterianum 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
  UCR162269  Antirrhinum coulterianum 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 1220 Comment
  SD143716  Antirrhinum nuttallianum subsp. nuttallianum Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20701 Riverside San jacinto Mountains: N side of the range, Twin Pines Creek below the confluence with Brown Crk. 854 Comment
  UCR177421  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR97437  Apocynum cannabinum G. R. Ballmer, K. Stockwell 1996-6-1 s.n. Riverside E of Murrieta: Warm Springs Creek c. 1/2 way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  UCR237875  Arabis Mark A. Elvin 2003-3-26 2363 Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  UCR24888  Arabis glabra A. C. Sanders 1981-8-22 1740 Riverside San Jacinto Mtns., Alvin Meadows; 2 mi (airline) WSW of Idyllwild. 1524 Comment
  RSA0001900  Arabis johnstonii P. A. Munz, I. M. Johnston 1922-5-19 5485 Riverside Kenworthy, San Jacinto Mts. 1372 Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  UCR174539  Arabis sparsiflora Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 357 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  RSA629436  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19530 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR273500  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42600 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  RSA629407  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19498 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  CAS-BOT-BC24665  Arctostaphylos glauca Lewis S. Rose 1935-12-23 35692 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. of s. Cathedral City. 1066 Comment
  RSA631752  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19260 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631786  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16731 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631830  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15535 Riverside Road to Elsinore Peak, 10 km south of Highway 74. 900 Comment
  UCR60640  Arctostaphylos glauca C. B. Wolf 1932-2-11 02649 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  RSA496736  Arctostaphylos glauca var. glauca Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  RSA635198  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16775 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  POM367389  Arctostaphylos patula subsp. platyphylla Christopher Davidson 1978-6-15 7384 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
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Jul 21 2021
  LA43651  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  RSA297169  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-06 207 Riverside Saunder's Meadow, San Jacinto Mts. 1676 Comment
  RSA635809  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16545 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA636008  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19555 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636021  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19493 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  RSA0123182  Argemone munita Duncan S. Bell, LeRoy Gross 2016-3-30 9170 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
  UCR158721  Argemone munita A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30014 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
  UCR92150  Argemone munita D. L. Banks, Peter L. Morrell 1995-5-4 0305 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 622 Comment
  SD224792  Aristida adscensionis G. K. Helmkamp 1998-4-4 3155 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd., to the vicinity of the pumping station. 305 Comment
  SD248063  Aristida adscensionis J. M. Andre 2014-1-27 26667 Riverside Riverside Mountains; 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
  UCR2159  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Sonoran (Colorado) Desert, Sand dunes near Indian Wells 30 Comment
  UCR92639  Aristida adscensionis 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
  GMDRC5515  Aristida californica J. Andre 2012-3-19 21352 Riverside Chuckwalla Valley: along Hwy 177, 8.6 mi. NE of Jct with I-10 152 Comment
  CLARK-A1528-4466  Aristida divaricata John C. Roos 1941-8-2 83 Riverside San Jacinto Mountains Comment
  CLARK-A1528-4468  Aristida fendleriana John C. Roos 1938-8-7 583 Riverside San Jacinto Mountains 1219 Comment
  UC576337  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  RSA700958  Aristida purpurea var. parishii Gary D. Wallace 1982-5-15 2003 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  SD121286  Aristida purpurea var. parishii J. C. Roos 1966-4-29 Riverside Rocky hills between March AFB and Lakeview, crevices in the rock slopes. Comment
  JOTR30829  Aristida purpurea var. wrightii La Doux, Tasha, Jim Andre 2008-9-16 345 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  UC1119314  Artemisia californica C. Van Fleet 1931-1-22 5 Riverside Wilson Creek San Jacinto Quadrangle, Wilson Creek Comment
  UCD129239  Artemisia dracunculus Steve Myers 1988-6-30 s.n. Riverside Murrieta area, between Highway I-15 and Jackson Street, around 0.5 mile southeast of Inland Valley Medical Center, near Clinton Keith Road. Comment
  UCR140311  Artemisia dracunculus A. C. Sanders 2004-4-9 27466 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  UCR277729  Artemisia dracunculus Mitch Provance 2012-10-15 1012- 06 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  SD197749  Arthrocnemum subterminale Karin Cleary-Rose, G. Nuhn 1995-7-20 Riverside Peninsular Range, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Ave, at south end of Hyatt Ave. 456 Comment
  SJSU11075  Asclepias albicans R. C. McGehee 1970-4-14 182 Riverside E base of Coxcomb Mts, end of road 2.3 mi W of its junction with Desert Center-Rice Rd Comment
  UC68777  Asclepias albicans H. M. Hall May, 1905 6025 Riverside Pinto Mts. Colorado Desert Comment
  RSA714008  Asclepias californica Elbert Benjamine 1929-5-18 221 Riverside Mt. San Jacinto. 1524 Comment
  POM12026  Asclepias eriocarpa Mary F. Spencer 1921-7-7 965 Riverside Tahquitz trail. Idyllwild Comment
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Aug 17 2011
  JOTR38526  Asclepias erosa Harding, Mitzi, Kipp Callahan 2012-8-27 295 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  SDSU13007  Asparagus officinalis subsp. officinalis Michael G. Simpson 1999-10-27 2054 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  SD217158  Aspidotis californica Steve Boyd, Tim Ross & Orlando Mistretta 1992-2-2 6637 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
  RSA764524  Aster subulatus var. ligulatus Justin M. Wood 2010-9-8 2603 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UCR94623  Astragalus coccineus Jeri Hirshberg 1995-5-30 s.n. Riverside San Jacinto Mtns, Pinyon Flats area, north of Ribbonwood Drive, 0.5 mi. NW of turnoff to Alpine Village. Comment
  SEINET3130821  Astragalus coulteri G. B. Grant 1906-1 77 a-6747 Riverside Palm Springs, on Colorado Desert Comment
  POM303047  Astragalus crotalariae P. A. Munz 1941-3-29 16591 Riverside Salton Wash north of Salton Sea. Comment
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Jan 22 2012
  UCR7739  Astragalus crotalariae W. C. Anderson, W. Berry 1968-5-16 680516- 4 Riverside Sonoran (Colorado) Desert, c. 1/8 mi. south of the corner of Monroe and 54th on the E side of the road Comment
  UCR241012  Astragalus didymocarpus Tracy Tennant 1998-4-28 257 Riverside San Jacinto, Ramona Expressway and Donna Way, near bank of San Jacinto River 488 Comment
  RSA415475  Astragalus didymocarpus var. dispermus Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  UC1543239  Astragalus douglasii Donald G. Nelson 1936-5-21 380 Riverside n Mt. Thomas (e of Lake Hemet, slopes just n of meadow in valley just e of Jurkey Creek Camp area, San Jacinto Mountains); San Jacinto Mountains, e of Lake Hemet, n of Mt. Thomas Comment
  POM250461  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside East of Keen Camp P. O. 1350 Comment
  RSA90230  Astragalus douglasii var. parishii F. W. Peirson 1922-5-20 3342 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC186900  Astragalus insularis var. harwoodii Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6454 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  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
  HSC78590  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 Riverside 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  SBBG54104  Astragalus lentiginosus var. borreganus T. Minthorne -- Riverside between Banning and Palm Springs Comment
  RSA651405  Astragalus lentiginosus var. coachellae Marion P. Harthill 1973-2-17 1555 Riverside Snow Creek, Palm Springs 366 Comment
  UC128577  Astragalus lentiginosus var. coachellae Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  JOTR33736  Astragalus nuttallianus var. imperfectus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2732 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA550340  Astragalus nuttallianus var. imperfectus Walter Wisura, John Dolan, Michael Wall 1992-3-25 4648 Riverside Low Desert: Ford Dry Lake N of I-10 at Hopkins Well. Comment
  UCR189585  Astragalus pachypus var. jaegeri Carlos Navarro 2006-4-19 019 Riverside Peninsular Range, Aguanga Basin, Agua Tibia, just east and up slope from the Dripping Springs campground, near Gaurd Station with weather meters 503 Comment
  RSA90750  Astragalus pachypus var. jaegeri F. W. Peirson 1920-6-23 2205 Riverside Aguanga 609 Comment
  RSA751013  Astragalus palmeri Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52076 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  UC1228590  Astragalus pomonensis C. L. Hitchcock, C. V. Muhlick 1962-3-16 22158 Riverside ca 12 mi se Corona (Temescal Canyon); , se of Corona Comment
  CAS-BOT-BC193162  Astragalus sabulonum Aven Nelson; Ruth Nelson 1939-3-30 3343 Riverside Between Mecca and Blythe on old road, hiway 60 Comment
  POM48357  Athyrium filix-femina P. A. Munz, I. M. Johnston 1924-7-27 8794 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA614417  Athysanus pusillus D. L. Banks 1997-3-16 1550 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCR139028  Athysanus pusillus D. L. Banks 1997-4-5 1677 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  JEPS35951  Atrichoseris platyphylla W. L. Jepson 1927-4-12 11660 Riverside Painted Canyon Mecca Hills, Painted Canyon Comment
  SDSU6305  Atrichoseris platyphylla Mark Dodero 1992-5-1 1 V92A Riverside Box Canyon road, ca. 6.7 miles northeast of Hwy. 111 Comment
  RSA696730  Atriplex canescens J. R. Bruff 1928-11-12 382 Riverside Aquanga Comment
  OBI60302  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-1 Riverside Comment
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Dec 9 2014
  RSA516693  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside southeast of Bernasconi Hills. T4S R3W section 23. 433 Comment
  UCR70526  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2196 Riverside Perris-Aguanga Basin region, San Jacinto River area, c. 1.8 km south of intersection of Pozos Ave. & Ramona Expressway; c. 500 m west of the river & 2 m east of Pozos Ave. 473 Comment
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Dec 9 2014
  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
  RSA532556  Atriplex coulteri D. E. Bramlet 1991-5-2 2112 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
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Feb 3 2015
  UCR18902  Atriplex lentiformis John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  POM278732  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 583 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  OBI2984  Atriplex polycarpa Lewis S. Rose 1967-12-19 67177 Riverside La Quinta 15 Comment
  RSA778127  Atriplex polycarpa Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  SEINET4135552  Atriplex polycarpa Howard C. Stutz 1977-11-18 8194 Riverside Indio, CA.; 0 Comment
  UC1076221  Atriplex polycarpa Margaret Stason 1927-2-12 Riverside Thousand Palms Colorado Desert, Thousand Palms Comment
  SEINET3004918  Atriplex rosea G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10336 Riverside Canal two miles north of Blythe. 70 Comment
  UCR123221  Atriplex rosea O. F. Clarke, Jeanine Derby 1973-9-14 s.n. Riverside Peninsular Range, Temecula 300 Comment
  SD122871  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  UCD97827  Atriplex serenana A. C. Sanders; K. C. Rose 1999-6-18 22830 Riverside Domenigoni Valley; upper Warm Springs Creek between Hwy 79 (Winchester Road) and Scott Road, Domenigoni Ranch, South of Winchester. 433 Comment
  RSA660916  Atriplex suberecta Mitch Provance 1998-5-4 1714 Riverside Belltown area, 'gravel pits' just S of 26th St. and Hall Ave. 250 Comment
  UCR144155  Atriplex suberecta Tricia Campbell 2003-12-2 s.n. Riverside Perris Basin, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue 442 Comment
  UCR2185  Avena barbata F. M. Reed 1903-12-10 418 Riverside Riverside, Iowa Ave. near (Urquhart?) Ranch 305 Comment
  SD247312  Baccharis brachyphylla Andy Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Road. 646 Comment
  RSA614091  Baccharis emoryi A. C. Sanders, C. L. Sanders 1994-12-4 15882 Riverside Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas., Marked ''seep'' on Durmid 7.5' Quad. -23 Comment
  CAS-BOT-BC106737  Baccharis salicifolia Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, Little San Bernardino Mountains Comment
  RSA552717  Baccharis salicifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6686 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC540849  Baccharis sergiloides Sarah J. De Groot; Duncan S. Bell 2015-9-21 7583 Riverside Santa Rosa Mountains SSW of Palm Desert. Near Potrero Spring near head of Potrero Canyon, W of Dunn Rd, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  JOTR29285  Baccharis sergiloides La Doux, Tasha 2003-9-4 1047 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  LA202997  Baccharis sergiloides Louis Wheeler; 1933-12-1 2292 Riverside San Jacinto Mountains, mouth of Tahquitz Canyon 152 Comment
  RSA777277  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4552 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR89659  Baccharis sergiloides Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., Santa Rosa Mtns, west fork Agua Alta Canyon. 657 Comment
  RSA304961  Bacopa monnieri Brad Ballen, J. L. Johnson, G. D. Barbe 1983-1-24 4035 Riverside Shoreline of permanent lake, and invading grass turf to 9ft from waterline, Desert island Country club, NE of Rancho Mirage. Comment
  POM259200  Bahia dissecta Philip A. Munz 1938-8-13 15339 Riverside Rocky crest of ridge near Santa Rosa Peak. 2378 Comment
  RSA1392  Bahiopsis parishii B. D. Stark 1930-4-2 785 Riverside Whitewater Bridge, San Gorgonio Pass 457 Comment
  RSA776089  Bahiopsis parishii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 821 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  CAS-BOT-BC99968  Baileya pauciradiata Roxana S. Ferris 1953-3-9 12598 Riverside Sandy flat near junction of U.S. 60 & 70 with Desert Hot Springs Road Comment
  CAS-BOT-BC99973  Baileya pauciradiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA450421  Baileya pauciradiata J. C. Roos 1965-4-28 s.n. Riverside Palm Springs. Comment
  POM248394  Bassia hyssopifolia Philip Crow 1939-7-4 s.n. Riverside Blythe. Comment
  RSA336420  Bebbia juncea R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52051 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA92398  Bebbia juncea F. W. Peirson 1920-12-28 5282 Riverside Murray Canyon near Palm Springs Comment
  RSA678358  Bebbia juncea var. aspera Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10493 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
  SD229078  Bebbia juncea var. aspera Dick Schwenkmeyer 2012-11-6 855 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  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
  CAS-BOT-BC75738  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4074 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain, just south of the east summit 701 Comment
  RSA544440  Bergia texana Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6347 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  CAS-BOT-BC100275  Blennosperma nanum var. nanum H. A. Zuill 1966-4-1 105 Riverside 2 1/2 - 3 miles WSW of Murrieta Comment
  RSA395897  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Terrace escarpment W side of Indian Wash, S of I -15. Comment
  CAS-BOT-BC16093  Boechera californica Michael Wall; Lorrae Fuentes 1995-4-13 102 Riverside Santa Rosa Mountains, along Highway 74, 14.8 miles southeast of Highway 243 junction in Mountain Center. Comment
  UCR272129  Boerhavia coulteri Duncan S. Bell 2015-9-30 8681 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  CAS-BOT-BC434529  Boerhavia intermedia Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  UCR33578  Boerhavia wrightii Sears 1977-10-10 S 525 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  SD255030  Bolboschoenus maritimus subsp. paludosus Duncan S. Bell 2015-8-12 8594 Riverside Colorado Deesrt; Chocolate-Chuckwalla Mountains region: Orocopia Mountains; southwestern section of the range; collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  UCR95731  Bolboschoenus maritimus subsp. paludosus D. L. Banks, Lauren Raz 1996-8-29 1143 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  SDSU17737  Bothriochloa barbinodis D. C. Estrella, M. G. Simpson 2002-4-20 30 Riverside Santa Margarita Ecological Preserve. 229 Comment
  SEINET3221555 Image available Bouteloua barbata E. R. Blakley 1961-9-12 4713 Riverside Pinyon Flat, Palms to Pines Highway Comment
  RSA0026138  Bouteloua barbata var. barbata Deidre Conocchioli, Caitlin Elam 2013-10-1 74 Riverside East of Little Chuckwalla Mtns. From Blythe, CA. Take I-10 W for 17.8 miles, take the Wiley's Well Rd exit., Turn left (S) on Wiley's Well Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion of the road for 4.5 miles. Collection site on right (E) side of road. 177 Comment
  SEINET8480638 Image available Bouteloua barbata var. barbata Kristin Forgrave, Deirdre Conocchioli, April Garbat 2013-8-13 35 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blthye, Ca. head west on I-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd. Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  CHSC109259  Bowlesia incana Scott D. White; Justin M. Hood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  UCR97896  Bowlesia incana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19858 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR207232  Brachypodium distachyon O. F. Clarke 2008-4-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA20225  Brandegea bigelovii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi. from Cottonwood Springs, N end of Pinto Basin Comment
  RSA789361  Brandegea bigelovii Aaron C. Sedgwick, David Fraker 2012-3-28 35 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR59915  Brassica kaber Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, University of California agricultural experimental farms, c. 1/2 mi south of Alessandro Blvd at NE corner of Cactus Avenus and Nason Street Comment
  UCR126982  Brassica nigra A. C. Sanders, T. B. Salvato 2003-5-9 26593 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR42620  Brassica nigra B. G. Pitzer, Karen Kirtland 1986-5-6 0263 Riverside 1.5 miles SE of Murrieta along Murrieta Creek; bounded north by Fig St, on south by Elm St., on east by Adams ave, and on west by Jefferson ave. 317 Comment
  UC55781  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  RSA772848  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4843 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
  UCR251653  Brassica tournefortii Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 984 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA0104455  Brickellia atractyloides var. arguta Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7753 Riverside Morongo Canyon Preserve; collecting in side canyon off of Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 777 Comment
  LA203095  Brickellia californica W. E. Pequegnat; 1939-4-8 sn Riverside Santa Ana Mountains Comment
  JEPS18585  Brickellia desertorum Marjorie D. Clary 1932-12-11 1722 Riverside Santa Rosa Mountains, 10 mi SW of Coachella. 182 Comment
  SEINET10760947  Brickellia desertorum David B. Dunn 1947-7-20 Dunn 3521 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  RSA343862  Brodiaea santarosae Robert F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60644 Riverside Santa Rosa Plateau: Near vernal pools and in grassland of Mesa de Colorado. 625 Comment
  CAS-BOT-BC221150  Bromus berteroanus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37794 Riverside Peninsula Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  CAS-BOT-BC148743  Bromus carinatus var. marginatus F. H. Billings 1931-2-23 s.n. Riverside Redlands. Comment
  SEINET10658417  Bromus diandrus Nye Leith, Greg Gust 2005-3-11 Nye 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  SEINET244863 Image available Bromus diandrus A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24919 Riverside Hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCR115931  Bromus diandrus Mitch Provance 2000-1-8 1803 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  SEINET239051 Image available Bromus grandis George K. Helmkamp 1998-6-27 4118 Riverside Sana Rosa Mountains. 5.8 miles southeast of highway 74 along Santa Rosa Mountain road (=Santa Rosa Truck Trail = F.S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR101437  Bromus hordeaceus A. C. Sanders, G. Helmkamp 1997-3-15 20003 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA595259  Bromus hordeaceus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 962 -B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  UCSB9690  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  UCR2225  Bromus marginatus F. M. Reed 1908-7-11 2503 Riverside San Jacinto Mtns., on trail to [San Jacinto] peak above Round Valley 3079 Comment
  RSA554288  Bromus rubens Scott D. White 1992-2-25 92 -3 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  SEINET10835307  Bromus rubens A. Evans 1976-4-13 Evans 5130 Riverside Desert canyons of santa rosa mtns. Comment
  CAS-BOT-BC185645  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  RSA232962  Buddleja officinalis D. A. Young 1969-3-21 437 Riverside 3 miles west of Elsinore, California on a dirt road north of Highway 71, 500 yards off the road. 244 Comment
  CHSC100825  Caesalpinia virgata Susan Bazell 2009-1-3 68 Riverside Mecca Hills. In Painted Canyon. Comment
  RSA405287  Caesalpinia virgata N. C. Cooper 1944-5-20 2621 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  RSA405291  Caesalpinia virgata Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  UCR158771  Caesalpinia virgata Lyman Benson, Robert Benson 1952-4-8 14858 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  UC82886  Calandrinia ambigua S. B. and W. F. Parish 1884-4-5 1188 a Riverside Indio Comment
  RSA561786  Calandrinia ciliata Steve Boyd 1992-4-14 6842 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR118659  Callisia repens A. C. Sanders 2001-11-20 24886 Riverside San Bernardino Valley Region, Riverside, yard of house at 422 Campus View Dr. 341 Comment
  RSA377345  Calochortus concolor Robert L. Rutherford 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  UCSB26905  Calochortus concolor Wilken, Dieter 1969-6-30 Riverside On road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mtns Comment
  RSA377365  Calochortus invenustus M. B. Dunkle 1933-7-20 3717 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CAS-BOT-BC483417  Calochortus invenustus H. M. Hall 1901-6-1 2297 Riverside In the vicinity of Strawberry Valley, San Jacinto Mountains 1828 Comment
  CAS-BOT-BC132464  Calochortus plummerae P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17281 Riverside 6.7 mi. w. along Hwy 74 from jct with road south from Idyllwild 914 Comment
  IRVC2495  Calochortus splendens D. C. 1965-4-27 s.n. Riverside Palm Springs Sonoran Desert Comment
  SDSU11909  Calochortus splendens H. Wedberg 1962-5-23 939 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  RSA160439  Calycadenia tenella J. D. Olmsted 1959-5-1 527 Riverside Drainage area to Irvine Lake. Oat Flat at intersection of Skyline Dr. and Main Divide T.T.; 9 mi. SW of Corona 823 Comment
Read comments
Jun 8 2013
  RSA560840  Calycadenia tenella Steve Boyd 1992-5-4 7182 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM99048  Calycadenia tenella E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  POM15169  Calycoseris wrightii Mary F. Spencer 1922-4-10 1955 Riverside Snow Creek prope [near] Palm Springs Comment
  RSA776960  Calycoseris wrightii Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 910 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR60928  Calycoseris wrightii Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1355 Riverside Sonoran (Colorado) Desert, Shavers Valley, Hwy 195, N base of the Orocopia Mtns half way between I-10 and Box Canyon 366 Comment
  SDSU17509  Calyptridium monospermum C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 378 B Riverside San Jacinto Wilderness State Park, Round Valley Campsite. Ca. 50 meters east of stone buildings near trail junction, along west edge of Round Valley. 2755 Comment
  SD237410  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range: Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74. 404 Comment
  RSA394915  Calystegia macrostegia subsp. intermedia J. D. Olmsted 1962-5-10 3618 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  POM9565  Calystegia macrostegia subsp. intermedia P. A. Munz, R. D. Harwood, I. M. Munz 1920-2-28 3254 Riverside 3 miles west of Corona. Comment
  SDSU5682  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 347 Comment
  RSA0100145  Calystegia occidentalis subsp. fulcrata Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8581 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  SEINET272325  Camissonia bistorta A. C. Sanders, G Helmkamp 1997-3-15 19965 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR51021  Camissonia bistorta S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR240996  Camissonia boothii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 49 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  CLARK-A1528-3320  Camissonia boothii subsp. decorticans John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  RSA126254  Camissonia brevipes subsp. brevipes Thomas Craig 1927-4-2 6 Riverside Colorado Desert, Hidden Springs. Comment
  SEINET7097945  Camissonia brevipes subsp. brevipes A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao W NAD 27 (Converted to WGS84 decimal degrees). Comment
  RSA0028748  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  POM50372  Camissonia campestris subsp. campestris W. W. Eggleston 1924-3-8 19520 Riverside Hemet. 480 Comment
  SD3347  Camissonia campestris subsp. campestris Ruth Randall 1922-4-9 219 Riverside Coachella; Painted Canyon. Comment
  UCD103332  Camissonia campestris subsp. campestris Robert C. Bechtel 1952-3-28 26 Riverside Perris. 443 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
  UCR126427  Camissonia claviformis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 53 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR245955  Camissonia claviformis Duncan S. Bell 2009-3-7 27 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  UCR84981  Camissonia claviformis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16217 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  POM211863  Camissonia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11083 Riverside Between Palm Springs and Indian Wells. Comment
  RSA790629  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 5 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  UCR237507  Camissonia claviformis subsp. aurantiaca Amber Swanson 2011-4-8 382 Riverside Southcentral Mojave Desert, Granite Mountains area east of Hwy 177 near junction 62 423 Comment
  UCR35217  Camissonia confusa L. B. Ziegler 1969-4-22 356 Riverside San Jacinto Mtns., Hemet Valley. On lower slopes of hills in E side of valley. 1433 Comment
  UCR41325  Camissonia confusa N. M. Fellows, A. C. Sanders 1985-4-9 121 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA180504  Camissonia ignota E. W. Lathrop 1959-4-16 4475 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA449226  Camissonia ignota N. C. Cooper 1949-6-29 4381 Riverside East side of San Jacinto Mountains. 457 Comment
  UCR214545  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37845 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCR220121  Camissonia ignota D. E. Bramlet 1989-4-7 1818 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
  UCR97901  Camissonia intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19853 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET12189028  Camissonia pallida E. A. Purer 1935-1 6484 Riverside near 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
  RSA774305  Camissonia refracta Duncan S. Bell 2011-4-8 2196 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UC69876  Camissoniopsis intermedia Mrs. C. M. Wilder 91 Riverside West Riverside Jurupa Hills Comment
  JEPS33742  Camissoniopsis pallida subsp. hallii Marjorie D. Clary 1932-3-20 1536 Riverside 10 mi nw Garnet; Colorado Desert, Mission Creek 457 Comment
  UC1536962  Capsella bursa-pastoris Gordon H. True Jr. 1935-2-22 569 Riverside Gavilan Hill; Gavilan Hills 548 Comment
  UCR24807  Carex fracta George K. Helmkamp 1981-7-5 s.n. Riverside San Jacinto Mountains, spring alongside the Black Mountain Road, 6 mi from the Banning to Idyllwild Hwy (243) Comment
  SEINET3101946  Carex multicaulis Marc A. Baker, Michelle Cloud-Hughes 2011-6-13 17380 Riverside San Jacinto Mountains, 1km north of Idyllwild, 2km WSW of Suicide Peak. 1925 Comment
  UC455134  Carex preslii I. J. Condit 1910-6-23 Riverside San Jacinto Peak summit 3291 Comment
  UCR161454  Carthamus tinctorius Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., between Hwy 243 and Pine Cove, at edge of Dutch Flat Meadow 1799 Comment
  RSA0010961  Castilleja applegatei subsp. martinii Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3557 Riverside Vail Lake area, along Arroyo Seco drainage from junction with Kolb Creek. S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA0010921  Castilleja densiflora subsp. gracilis F. W. Peirson 1930-5-10 8776 Riverside Summit St John's Grade. 762 Comment
  UCR103990  Castilleja exserta George K. Helmkamp 1998-4-3 3093 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  SD10676  Castilleja exserta subsp. exserta Mrs. D. R. Wolf 1932-3-20 30 Riverside Richman Ranch, 2I(c) mi. no. of De Luz 456 Comment
  UCR94646  Castilleja foliolosa Scott D. White 1996-5-27 4073 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  JEPS3840  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs Comment
  RSA192319  Castilleja minor subsp. spiralis E. W. Lathrop 1966-6-1 6358 Riverside Los Alamos Rd. , Tenaja Range. 14 miles NW of Murrieta. 366 Comment
  UCR35230  Castilleja minor subsp. spiralis L. B. Ziegler 1967-8-29 215 Riverside San Jacinto Mtns, Meadow in Hemet Valley 1418 Comment
  POM14299  Caulanthus cooperi P. A. Munz, D. D. Keck 1922-4-9 4787 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  OBI29869  Caulanthus heterophyllus Melissa Luckow, Rhonda Riggins 1982-4-15 832 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UC64339  Caulanthus heterophyllus H. M. Hall 1897-3-13 387 Riverside Wildomar Comment
  UCR62238  Caulanthus heterophyllus R. Montijo 1990-4-27 s.n. Riverside Rancho California Area: east of Santa Rosa Plateau [and of Skinner Reservoir], Green Meadow Road off of de Portola Road 610 Comment
  UCR89848  Caulanthus heterophyllus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3313 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SD215438  Caulanthus lasiophyllus Steve Boyd, Tim Ross, et al. 1990-4-3 4056 Riverside Vail Lake area, summit of Big Oak Mountain at east end. 792 Comment
  UCR35190  Caulanthus simulans L. B. Ziegler 1969-4-2 341 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  SBBG4136  Ceanothus cordulatus M. Van Rensselaer 1937-6-23 Riverside San Jacinto Mtns 1859 Comment
  SDSU10257  Ceanothus cordulatus T. B. Bruhns 1965-5-22 106 Riverside Strawberry Valley. Trail beginning above Idyllwild. Comment
  CAS-BOT-BC83845  Ceanothus crassifolius D. O. Burge 2007-3-19 796 b Riverside SW of Vail Lake, at side of off-road vehicle trail 500 Comment
  RSA570244  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7898 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UCD162860  Ceanothus crassifolius J. Bisbee 2014-3-4 801 Riverside South on abandoned road from near end of Woodchuck Rd, just inside Agua Tibida Wilderness boundary, 1 mile south of Hwy 79. 657 Comment
  SBBG105030  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
  SBBG50799  Ceanothus cuneatus var. cuneatus R. S. Woglum 1942-4-15 Riverside Aguanga Comment
  SD82811  Ceanothus greggii var. perplexans R. S. Woglum 1937-5-22 577 Riverside Santa Rosa Mountains Comment
  CAS-BOT-BC51281  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore Comment
  UC1070866  Ceanothus leucodermis R. St. John 1929-5-8 25 Riverside Fuller Mill Creek Canyon San Jacinto quad., San Jacinto Mts. 1676 Comment
  UCR166154  Ceanothus leucodermis T. B. Salvato, John F. Green 2004-5-27 560 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
  CAS-BOT-BC63567  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7208 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1.5 mi. below (n.) main divide motorway. 1280 Comment
  UCR93033  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7890 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  SBBG28516  Ceanothus palmeri N. C. Cooper 1944-6-17 1395 Riverside Pine Cove 1524 Comment
  RSA755791  Ceanothus perplexans Dylan O. Burge 2007-3-21 DOB 802 c Riverside San Jacinto Mountains, along Highway 243, 16.1 road miles north of Idyllwild, near the turn-off for Poppet Flat Road, 17.2 kilometers 319 degrees true north-northwest of Idyllwild. 1280 Comment
  RSA678975  Ceanothus tomentosus Scott D. White, Michael Honer 2003-6-3 9452 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA0050341  Ceanothus tomentosus F. W. Peirson 1921-3-19 2364 Riverside 4 miles west of Beaumont on the Redlands Road. 762 Comment
  RSA552753  Ceanothus tomentosus var. olivaceus Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6739 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  UCR82903  Cenchrus echinatus A. C. Sanders, C. L. Sanders, S. D. White 1994-10-9 15802 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR158860  Cenchrus incertus Scott D. White 1994-6-23 2087 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA391501  Centaurium venustum M. M. Thompson 1947-6-9 c 2066 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA644312  Centaurium venustum Scott D. White 1995-6-29 3401 Riverside Murrieta area (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence. [coordinates are from the label and map incorrectly] 351 Comment
  UCR193980  Centaurium venustum A. C. Sanders 2008-7-25 35898 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  SEINET7379751 Image available Centromadia pungens G. R. Hall 1905-9-3 s.n. Riverside Riverside Comment
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Apr 1 2018
  RSA707579  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  UCR266266  Centromadia pungens subsp. laevis D. E. Bramlet 2006-6-14 4022 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, SW of Hemet, north of Simpson Rd. and east of California Ave. 457 Comment
  SD178173  Cerastium glomeratum A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16035 Riverside Weed: Coachella Valley: Indio, just southwest of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -7 Comment
  NY43446  Cercidium floridum subsp. floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park Comment
  UCR102903  Cercocarpus betuloides Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  SD137639  Cercocarpus minutiflorus Darin L. Banks, Steve Boyd 1995-3-16 109 Riverside Cleveland National Forst, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 625 Comment
  SDSU13518  Chaenactis artemisiifolia W. Miller with C. Mosse 1972-7-12 Riverside West of M.W. D. Station. Comment
  CAS-BOT-BC276381  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SBBG104630  Chaenactis carphoclinia T. Glenn 1991-4-30 91 -60 Riverside McCoy Mtns, NW of Blythe; T5S, R 20E, S19 170 Comment
  SBBG97181  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  JEPS20786  Chaenactis carphoclinia var. carphoclinia Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13256 Riverside 2.3 mi above Midland P.O.; Little Maria Mts. Comment
  UCR30051  Chaenactis carphoclinia var. carphoclinia A. C. Sanders 1983-4-24 3796 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  CAS-BOT-BC276905  Chaenactis fremontii Munz; Street; Williams 1919-3-28 2464 Riverside Ssan Gorgonio Pass, near Cabazon Comment
  CAS-BOT-BC276942  Chaenactis fremontii P. C. Everett; N. F. Lolonis 1963-5-3 24493 Riverside Colorado Desert, US Highway 99, 2.7 miles SE of exit to 29 Palms and Yucca Valley 30 Comment
  RSA695670  Chaenactis fremontii J. Russell Bruff 1928-4-2 112 Riverside Canyon W of Morengo Comment
  UC34696  Chaenactis fremontii H. M. Hall 1902-4-11 2807 a Riverside Coyote Canon, w borders of Colorado Desert Colorado Desert, Coyote Canon 152 Comment
  UCR116629  Chaenactis fremontii A. C. Sanders 2001-4-8 23973 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  UCR133382  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 1002 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  VVC703  Chaenactis fremontii P. J. MacKay, T. Thomas 1997-2-8 92 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  SFV3811  Chaenactis glabriuscula P. G. Kilburn 1958-5-17 810 Riverside 3 miles south of Banning. 305 Comment
  HSC87021  Chaenactis glabriuscula var. glabriuscula K. Harper 1988-5-14 Riverside San Jacinto Mtns.; road to the N of Castile Canyon Dr. at Poppet Fla, off Hwy. 243 Comment
  POM19631  Chaenactis glabriuscula var. glabriuscula Mary F. Spencer 1923-6-16 2162 Riverside Idyllwild, San Jacinto Mts 1646 Comment
  UC31038  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2056 Riverside vicinity of Chalk Hill; San Jacinto Mountains, Chalk Hill 1524 Comment
  UCR98706  Chaenactis glabriuscula var. glabriuscula 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
  RSA705881  Chaenactis glabriuscula var. lanosa Michael Wall 2005-4-9 383 Riverside San Jacinto Valley, Santa Rosa Hills, Simpson Park region. 703 Comment
  UC219589  Chaenactis glabriuscula var. lanosa P. A. Munz 1922-6-23 5780 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCR132934  Chaenactis parishii 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
  CHSC8272  Chaenactis stevioides Edward L. Smith 1958-3-21 357 Riverside Chuckwalla Mtns., 3 mi. n of Desert Center. 274 Comment
  JOTR34148  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  JOTR30089  Chamaesyce albomarginata La Doux, Tasha, Alice Miller 2007-5-8 1733 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., on disturbed roadside. Common. 1385 Comment
  SBBG53745  Chamaesyce albomarginata S. Boyd 1980-5-3 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  CDA4811  Chamaesyce maculata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside North side of Blaine Street just west of Gage Canal, Riverside. Comment
  JOTR28810  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2004-3-11 1078 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  JOTR32415  Chamaesyce micromera Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 6 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA55098  Chamaesyce micromera Lee Harris 1928-6-28 113 Riverside Indio Comment
  RSA727388  Chamaesyce micromera Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  JOTR32615  Chamaesyce polycarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2676 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
  RSA0040027  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-4-2 6501 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA0107850  Chamaesyce polycarpa Duncan S. Bell, Amanda Turek 2009-3-30 166 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  UC536793  Chamaesyce polycarpa Louis C. Wheeler 1933-12-2 2309 Riverside near Palm Springs (mouth of Taquitz Canyon) 144 Comment
  UCSB16774  Chamaesyce polycarpa Dearing, Hugh; Dearing, Margaret 1941-11-23 Riverside Near Cathedral City, Colorado Desert Comment
  UCSB54160  Chamaesyce polycarpa McKinley, Gale 1985-3-27 Riverside 1/2 mile N of site #9 in Ryan Campground in Joshua Tree National Monument 1280 Comment
  RSA432474A  Chamaesyce polycarpa var. hirtella P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA770638  Chamaesyce polycarpa var. hirtella R. F. Thorne, M. Z. Thorne 1973-3-30 42694 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA432407  Chamaesyce polycarpa var. polycarpa E. S. Spalding 1926-2-13 s.n Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  RSA608167  Chamaesyce polycarpa var. polycarpa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10053 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UC729489  Chamaesyce serpillifolia subsp. hirtula Carl B. Wolf 1932-8-6 3995 Riverside 2.9 mi from Idyllwild (on rd to Hemet); San Jacinto Mtns 1219 Comment
  RSA740621  Chamaesyce serpillifolia subsp. serpillifolia Scott D. White, Justin M. Wood 2008-7-8 12375 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  SEINET238735 Image available Cheilanthes clevelandii A. C. Sanders, Mitch Provance; E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  UCR164283  Cheilanthes clevelandii S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  SEINET6744643  Cheilanthes intertexta G. R. Vasey 1881-1 Riverside Whitewater Comment
  UCR214010  Cheilanthes newberryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37798 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  CAS-BOT-BC68052  Cheilanthes parryi Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  SEINET3870178  Cheilanthes parryi Lewis S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  UCD137393  Cheilanthes parryi L. S. Rose 1936-12-18 s.n. Riverside Colorado Desert, Tahquitz Canyon, Palm Springs. 243 Comment
  UCR75040  Cheilanthes parryi A. C. Sanders, E. J. Lawlor 1992-4-4 12154 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET10470380  Cheilanthes parryi David B. Dunn 1948-2-21 Dunn 3692 Riverside Common among the rocks on Northerly slopes of ravines. Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  UC811618  Cheilanthes viscida Ivan Johnston Riverside Palm Canyon; Colorado Desert 304 Comment
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Jul 4 2015
  HSC1016  Cheilanthes wootonii W. R. Supernaugh, Jr. 1964-12-21 18 Riverside Joshua Tree Nat'l Mon. 1 mi. S of Jumbo Rocks Campground at old ground observation post 1372 Comment
  UCR260808  Chenopodium Mike Misenhelter 2009-7-29 s.n. Riverside Peninsular Range/ San Bernardino Valley, Riverside; Arlington area, west side of Van Buren Blvd. at north side of Lincoln St., across from drive-in theater 259 Comment
  UCR113771  Chenopodium album Mitch Provance, A. C. Sanders 2000-7-4 2094 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR22021  Chenopodium ambrosioides Steve Boyd 1980-9-12 348 Riverside Gavilan Hills, Harford Springs County Park, located on the NW corner of the Gavilan plateau. Comment
  POM161559  Chenopodium atrovirens Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  UCR113095  Chenopodium berlandieri A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15817 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR278859  Chenopodium berlandieri Mitch Provance 2012-7-15 612- 68 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  RSA60836  Chenopodium californicum Frank W. Gould 1944-4-5 2231 Riverside 17 miles east of Temecula. Comment
  UC1931134  Chenopodium californicum Scott D. White, Justin Wood 2008-6-17 12170 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). (Butterfly Peak) Comment
  UCR193905  Chenopodium fremontii A. C. Sanders, Mitch Provance 2008-7-11 35780 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  POM508526  Chenopodium murale Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  SD146308  Chenopodium murale Mitch Provance 2000-1-8 1802 Riverside Jurupa Mountains: Jurupa Mountains Cultural Center, 0.25 mile southeast of peak 1411. 289 Comment
  UCR113116  Chenopodium murale A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 B 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
  RSA478547  Chenopodium murale E. Schorr 1973-4-14 26 Riverside State Hwy 86, S of Indio, near State Hwy 195 -7 Comment
  UCR71614  Chenopodium rubrum A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11741 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  UCR181628  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  CSUSB732  Chilopsis linearis K. A. Lamb 1968-4-21 680421 4 Riverside Colorado Desert Approx. 10 miles northeast Mecca on Highway 195, Colorado Desert wash. Comment
  SD229111  Chilopsis linearis Dick Schwenkmeyer 2013-6-11 906 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  LA204150  Chilopsis linearis subsp. arcuata S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  JEPS58859  Chimaphila menziesii Carl V. Meyer 1929-1-4 687 Riverside San Jacinto Mts., Saunder's Meadow Comment
  POM11886  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-9-6 6387 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  UC1131367  Chloris virgata H. S. Yates 1937-6-28 6740 Riverside near Indio; Thermal Quad. Comment
  RSA779808  Chorizanthe brevicornu Duncan S. Bell 2009-3-9 107 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  RSA0035905  Chorizanthe corrugata J. M. Andre 2013-3-27 24826 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  RSA674686  Chorizanthe corrugata Scott D. White 2001-4-27 8424 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA487419  Chorizanthe fimbriata Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR175062  Chorizanthe fimbriata Teresa Nieto 2005-5-26 33 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UC1608217  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross 1992-6-10 7625 Riverside San Mateo Canyon about Potrero Escondido (Southern Santa Ana Mts, San Mateo Canyon Wilderness, due w of jct Tenaja Rd...at confluence Los Alamos Crk w/main trunk San Mateo Crk); Southern Santa Ana Mountains, San Mateo Canyon Wilderness 670 Comment
  UC597640  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside at head Coyote Canyon (below Anza Tablet, sw Riverside County); head Coyote Canyon below Anza Tablet 1005 Comment
  UCR35078  Chorizanthe leptoceras L. B. Ziegler 1967-6-14 158 Riverside San Jacinto Mtns., Bautista Creek Canyon 732 Comment
  RSA773122  Chorizanthe leptotheca Duncan S. Bell, Ryan Parker 2010-6-1 1233 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. 779 Comment
  RSA784515  Chorizanthe leptotheca Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 72 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  UCR19068  Chorizanthe leptotheca John C. Roos 1952-6-8 5748 Riverside Reche Canyon 549 Comment
  UC217961  Chorizanthe parryi var. parryi P. A. Munz and I. M. Johnston 1922-5-19 5359 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR189793  Chorizanthe parryi var. parryi Andrea Salzman 2006-5-30 136 a Riverside Peninsular Range; Perris Aguanga Basin, Lake Skinner, north of stage road 490 Comment
  UCR98859  Chorizanthe polygonoides subsp. longispina A. C. Sanders, G. Helmkamp 1997-3-15 19996 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA559933  Chorizanthe polygonoides var. longispina Steve Boyd 1992-4-18 6902 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  RSA740949  Chorizanthe polygonoides var. longispina Scott D. White, Justin M. Wood 2008-6-17 12195 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR252817  Chorizanthe procumbens John Dvorak 2011-4-21 015 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Margarita Ecological Reserve, 150 meters east of the Santa Margarita River, 1.7 km west of Via Tornado, 145 meters southwest from end of dirt road 268 Comment
  UCR65283  Chorizanthe staticoides Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3864 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  POM265700  Chorizanthe uniaristata J. C. Roos 1937-4-23 1807 Riverside At Whitewater. Comment
  RSA65277  Chorizanthe xanti var. leucotheca F. W. Peirson 1914-04 1776 Riverside Whitewater, west end of Coachella Valley. Comment
  VVC1352  Chrysothamnus paniculatus A. C. Sanders, J. Mac 1996-11-23 19656 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  RSA607247  Chrysothamnus teretifolius R. S. Woglum 1937-10-20 1195 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  CAS-BOT-BC100783  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin s.n. Riverside San Jacinto Mts. Comment
  SBBG60491  Chylismia brevipes Anstruther Davidson 1893-1 Riverside Agua Caliente [Palm Springs] Comment
  UCSB4399  Chylismia brevipes Sager, Ginny 1960-4-2 Riverside In camp: off hiway 60-70 (to south) at southern tip of Joshua Tree National Monument Comment
  SD241105  Chylismia brevipes subsp. brevipes Dave Silverman, Mark Bibbo 2010-3-31 7893 Riverside Southern McCoy Mountains, east bajada flank, 1.6 km W of Black Creek Road, 7.0 km NE of McCoy Peak and 6.8 km north of I-10. 178 Comment
  UCR279590  Chylismia brevipes subsp. brevipes A. C. Sanders, Jim Malusa 2017-3-28 43157 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  SD16812  Chylismia cardiophylla subsp. cardiophylla Allen Keller 1937-3-13 Riverside Painted Canyon. Comment
  SD185268  Chylismia claviformis Nathan Moorhatch 2005-2-17 Riverside Western Sonoran Desert: Coachella Valley, east edge of Santa Rosa Mountains, La Quinta west of Washington St. between Ave. 48 and Lake La Quinta Dr. -36 Comment
  CAS-BOT-BC160591  Chylismia claviformis subsp. aurantiaca A. N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Coachella Comment
  CAS-BOT-BC160615  Chylismia claviformis subsp. aurantiaca P. D. Hurd 1963-4-9 s.n. Riverside 3 miles south of Palo Verde Comment
  CAS-BOT-BC160632  Chylismia claviformis subsp. aurantiaca Ivan Johnston 1917-4-4 1076 Riverside Near Palm Springs 152 Comment
  JEPS23474  Chylismia claviformis subsp. aurantiaca I. W. Clokey and B. C. Templeton 1930-4-9 4725 Riverside n Palm Springs; Colorado Desert 170 Comment
  CAS-BOT-BC162785  Chylismia claviformis subsp. claviformis John Thomas Howell 1928-3-11 3420 Riverside Morongo Canyon, N. Colorado Desert 609 Comment
  POM320357  Cirsium scariosum Worthman 1968-5-16 180 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  IRVC29780  Cirsium scariosum var. citrinum Mark A. Elvin, Steve Boyd, A. C. Sanders, D. Kelch, Larry Hendrickson 2006-12-8 5290 Riverside Santa Rosa Plateau; beside creek along Via Volcana; 10 m W of road; 100 m S of jct of Via Volcana and Tenaja Road Peninsular Ranges 572 Comment
  UCR46700  Cirsium vulgare B. G. Pitzer, D. C. Hawks 1986-12-2 0366 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA752133  Citrullus lanatus Justin M. Wood, Brandy Wood 2009-7-4 1037 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  RSA73330  Clarkia epilobioides F. W. Peirson 1919-4-14 4457 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCR112823  Clarkia purpurea subsp. quadrivulnera A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR251877  Clarkia unguiculata Victoria M. Woods, David G. Cook 2014-4-5 03 Riverside Transverse Range; San Gabriel Mtns., Angeles National Forest, Mount Baldy area, northern Claremont 1043 Comment
  RSA613462  Claytonia perfoliata D. L. Banks, Victor Steinmann 1997-3-13 1430 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR16946  Clematis ligusticifolia Helen Leach 1966-11-1 c661101- 2 Riverside Pedley Rd., City of Mira Loma Comment
  RSA511344  Clematis pauciflora B. Pitzer, E. Misquez 1988-3-20 675 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 549 Comment
  UCR50391  Clematis pauciflora L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  RSA20088  Cleome isomeris I. W. Clokey, E. G. Anderson 1935-4-17 6641 Riverside Cottonwood Springs. Comment
  SBBG101774  Cnicus benedictus S. Boyd with T. Ross 1991-6-14 6395 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  SEINET2050174 Image available Cnicus benedictus Steven J. Southwell 1971-5-23 Riverside Found 50 yds N. of cut-off between hwy 395 and hwy 71. Turnoff from 395 is 3 miles S. of Bundy Road, 2 miles from Murrieta. 305 Comment
  RSA618415  Cnicus benedictus D. L. Banks 1997-5-5 1961 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  SDSU10586  Collinsia concolor Gerald Collier 1951-5-26 Riverside 15 miles E of Hemet on state hwy 74, 25 yards from road. San Jacinto Mtns. San Bernardino National Forest. Comment
  UC1595647  Collinsia concolor Steve Boyd, Orlando Mistretta 1991-5-22 6299 Riverside e Dorland Mtn (base of Agua Tibia Mtn, w of Kolb Crk); Vail Lake area, Agua Tibia Mtn 548 Comment
  UCR44460  Collinsia concolor A. C. Sanders 1986-6-1 6547 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  CLARK-A1528-849  Collinsia heterophylla F. Zaebst 1959-4-29 Riverside Temecula Comment
  RSA180400  Collinsia heterophylla E. W. Lathrop 1960-4-8 4759 Riverside 14 miles W of Murrieta. Comment
  RSA305755  Collinsia heterophylla var. heterophylla James R. Shevock 1970-4-25 161 Riverside Coldwater Trail 579 Comment
  SEINET270111 Image available Collinsia parryi Steve Boyd, Orlando Mistretta 1992-4-23 7072 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains along San Mateo Creek from Riverside County Line following San Mateo Trail upstream to th 244 Comment
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Aug 24 2013
  RSA0117391  Collinsia parryi N. C. Cooper 1947-4-5 2047 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  HSC47472  Colubrina californica Richard Spjut 1978-5-17 5041 Riverside N face of Chuckawalla Mts., 2.7 mi. S of Desert Center. 335 Comment
  RSA554247  Colubrina californica Theo Glenn 1991-5-14 91 -46 Riverside W side of Little Maria Mountains, NW of Blythe. 309 Comment
  SBBG87664  Condea emoryi S. Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  RSA407724  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside SW Perris Basin: Hill W of Skunk Hollow Comment
  UCR241383  Convolvulus simulans T. B. Salvato, Mike Landers 2013-3-21 7385 A Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR37486  Conyza bonariensis Steve Boyd 1981-3-2 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  RSA552765  Conyza canadensis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6751 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UCR164284  Cordylanthus rigidus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  JOTR29264  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  RSA500132  Cordylanthus rigidus subsp. setiger Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3678 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  POM230198  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6962 Riverside N Fork San Jacinto River. 1500 Comment
  UC1007167  Corethrogyne filaginifolia Philip A. Munz 1938-8-14 15383 Riverside ridge e Toro Peak (Santa Rosa Mts.); Santa Rosa Mts. 2438 Comment
  UCSB4670  Cornus sericea DeWitt, Jack 1959-5-17 Riverside At Dark Canyon Camp grounds; near Idyllwild; San Jacinto Mtns. 1524 Comment
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Nov 5 2018
  CAS-BOT-BC287227  Cotula australis Mrs. C. M. Wilder 1908-3-1 s.n. Riverside At Riverside Comment
  UCR22105  Cotula australis Steve Boyd 1980-5-28 304 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  CAS-BOT-BC291360  Cotula coronopifolia A. J. McC. 1892-1-1 s.n. Riverside Elsinore Comment
  RSA192159A  Crassula aquatica E. W. Lathrop 1966-5-1 6241 -A Riverside 3 miles W of Murrieta. Santa Ana Mountains Comment
  RSA788881  Crassula aquatica G. D. Wallace 2003-7-8 4041 Riverside Hidden Lake. Comment
  UCR155300  Crassula connata A. C. Sanders 2005-5-4 29849 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR92043  Crassula connata Scott D. White 1995-3-30 2664 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA346790  Crassula connata R. F. Thorne, Dick Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54023 Riverside [San Bernardino Mountains: Whitewater River area.] Comment
  NY268561  Crossosoma bigelovii L. D. Benson 1945-3-29 11632 Riverside Canyon on road to Palm Springs in Little San Bernardin Mtns, Colorado Desert Drainage. 670.6 Comment
  SBBG55861  Crossosoma bigelovii B. Gustafson 1977-4-7 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  RSA775625  Croton californicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1005 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets. 396 Comment
  RSA314490  Croton californicus var. mohavensis R. F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55357 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA577341  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  RSA675836  Crypsis schoenoides Scott D. White 2001-7-9 8716 Riverside MENIFEE: Ca. 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  UCR110397  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  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
  UCR193734  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35651 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR214584  Cryptantha A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37863 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  RSA353601  Cryptantha angustifolia R. F. Thorne 1978-4-23 52033 Riverside Chino Canyon Comment
  RSA707355  Cryptantha angustifolia Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 4 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune N 91 Comment
  RSA780959  Cryptantha angustifolia Stephanie Rockwood, Christi Gabriel 2011-12-14 218 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  UCR279573  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-28 43143 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR279574  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-28 43142 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CAS-BOT-BC177103  Cryptantha barbigera G. K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains: Big Morongo Canyon, 3 - 3.5 mi below the caretaker's house at the Big Morongo Preserve 610 Comment
  POM368286  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Thousand Palm Canyon, Coachella Valley Comment
  POM46803  Cryptantha barbigera Mary F. Spencer 1920-3-24 1516 Riverside Near Indio. Colorado Desert. 91 Comment
  RSA480006  Cryptantha barbigera Steve Boyd, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2137 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  UCR130120  Cryptantha barbigera Scott D. White 2001-4-3 8273 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR19583  Cryptantha barbigera Dr. H. de Forest 1924-4-13 s.n. Riverside Western Colorado Desert region, Tahquitz Canyon 457 Comment
  UCR41595  Cryptantha barbigera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6116 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM12150  Cryptantha costata Mary F. Spencer 1920-3-16 1514 Riverside Mecca -60 Comment
  POM3853  Cryptantha costata H. M. Hall 1905-5-1 5974 Riverside Hodges Mountains Comment
  RSA787698  Cryptantha costata Duncan S. Bell 2012-4-5 3310 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 141 Comment
  UCR214565  Cryptantha costata A. C. Sanders 2010-3-15 37407 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR116606  Cryptantha decipiens A. C. Sanders 2001-4-8 23978 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR85239  Cryptantha dumetorum A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15999 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
  RSA784959  Cryptantha holoptera Duncan S. Bell 2012-2-12 3117 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  HSC101202  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 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
  RSA524426  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4122 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
  RSA717051  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25845 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 366 Comment
  SD4196  Cryptantha intermedia Fidella G. Woodcock 1928-4-27 Riverside Hemet, San Jacinto Comment
  UCR102829  Cryptantha intermedia A. C. Sanders 1997-4-3 20149 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR158498  Cryptantha intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30040 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
  UCR213602  Cryptantha intermedia A. C. Sanders, Matthew Malle 2010-4-23 37999 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR214583  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37864 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR27193  Cryptantha intermedia Marlyce Myers 1980-4-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi NW of Perris 518 Comment
  UCR277702  Cryptantha intermedia Mitch Provance 2013-4-16 413- 20 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR98704  Cryptantha intermedia 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
  SDSU20601  Cryptantha intermedia var. intermedia Ronald B. Kelley 2006-3-26 1002 Riverside Temescal Valley west of I-15 on west side of frontage road in disturbed field between Indian Canyon Truck Road and Horsethief Canyon Road exits. 367 Comment
  RSA562062  Cryptantha micrantha Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6921 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UC1063822  Cryptantha micrantha H. S. Yates 1937-3-23 6394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC24830  Cryptantha micrantha H. M. Hall May 1901 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UC489041  Cryptantha micrantha C. V. Meyer 1927-6-1 160 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  UCR25966  Cryptantha micrantha var. lepida John C. Roos 1947-5-24 3648 Riverside San Jacinto Mtns, junction of Dark Canyon Camp Road with the Idyllwild - Banning Road 1773 Comment
  JOTR35457  Cryptantha micrantha var. micrantha Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 61 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  RSA0035745  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  RSA511363  Cryptantha muricata Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  SD248351  Cryptantha muricata A. C. Sanders, T. B. Salvato 2014-7-2 41182 Riverside Peninsular Range; San Jacinto Mountains; Fobes Canyon, ca. 0.5 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UC24694  Cryptantha muricata H. M. Hall Jun 1901 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UCR133048  Cryptantha muricata Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243 at Mountain Center 1378 Comment
  RSA0119988  Cryptantha muricata var. denticulata Duncan S. Bell, Thomas Stoughton 2016-4-13 9264 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  HSC3583  Cryptantha muricata var. jonesii C. L. Hitchcock 1966-3-15 24157 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  JOTR35065  Cryptantha muricata var. jonesii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3517 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  RSA0079424  Cryptantha muricata var. jonesii D. Charlton 1988-5-21 1949 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1676 Comment
  UCR216112  Cryptantha nevadensis Jim Andre, T. La Doux 2009-2-25 10807 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR228426  Cryptantha nevadensis Dave Silverman, A. C. Sanders, Jeanette Duffels, Richard Dwerlkotte, Tammie Beyerl 2010-3-30 7822 Riverside Sonoran (Colorado) Desert, Southwest flank of Palen Mtns bajada, along Palen Dunes drive, 4.6 km N of I-10, 9 km ESE of Sidewinder Well 136 Comment
  RSA0123115  Cryptantha nevadensis var. nevadensis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9022 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA0124380  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-31 9196 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
  POM72365  Cryptantha racemosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  UCR47502  Cryptantha racemosa F. R. Fosberg 1929-11-12 S- 01471 Riverside Western Colorado Desert, Deep Canyon, 10 mi SW Indio 396 Comment
  SEINET12280890  Cryptantha racemosa L. S. Rose 1938-1 38338 Riverside 12 mi SW of Cathedral City, Palms to Pines Hwy, San Jacinto Mts 457 Comment
  CAS-BOT-BC224606  Cuscuta californica var. papillosa Geo. B. Grant 1906-4-20 6705 Riverside Palm Springs Comment
  POM48873  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 b Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  RSA638871  Cuscuta ceanothi Scott D. White 1998-10-13 7182 Riverside Corona, near Bedford canyon: Dissected alluvial slope, foothills at eastern slope of Santa Ana Mts. 'Joseph Canyon' wash near a disused quarry. 335 Comment
  LA210111  Cuscuta subinclusa Joseph Andorfer Ewan; 1932-7-9 7497 Riverside Santa Ana River at jct. with Chino Creek Comment
  RSA735178  Cuscuta subinclusa Scott D. White, Justin M. Wood 2005-9-27 11232 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  UC520001  Cuscuta subinclusa Joseph Andorfer Ewan 1932-7-9 7497 Riverside Santa Ana River at Chino Creek; Santa Ana River Comment
  OBI9019  Cyclospermum leptophyllum Robert J. Rodin 1953-5-9 8200 Riverside Fairmont Park, Riverside 259 Comment
  SBBG54103  Cyclospermum leptophyllum J. C. Roos, L. Roos 1953-5-9 5917 Riverside Fairmount Park, Riverside 259 Comment
  RSA0097552  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18296 Riverside Chuckwalla Mountains, Corn Springs Wash, 3.3 km WNW of Corn Spring, 70 km west of Blythe. 579 Comment
  UC667318  Cymopterus panamintensis var. acutifolius Annie M. Alexander and Louise Kellogg 1941-5-26 2239 Riverside Colorado Desert, Eagle Mountains, Monsen Canyon Monsen Canyon; Colorado Desert, Eagle Mountains, Monsen Canyon 975 Comment
  RSA770305  Cynodon dactylon Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4490 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64311 487 Comment
  UCR111755  Cyperus eragrostis S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR272474  Cyperus esculentus Mitch Provance 2012-7-25 712- 01 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  UCR272473  Cyperus laevigatus Mitch Provance 2012-8-1 712- 03 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  UCR92351  Cyperus odoratus Scott D. White, S. Ogg 1994-10-17 2460 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA314474  Cyperus squarrosus Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55379 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UC60275  Cyperus squarrosus H. M. Hall 1901-1 2663 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  UCR193733  Cystopteris fragilis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35646 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  SEINET10486030  Dalea emoryi David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2879 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  POM13846A  Datisca glomerata E. C. Jaeger 1921-7-7 1184 Riverside Massacre Canyon [Badlands, near Lamb Canyon -SDW] Comment
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Nov 5 2011
  UCR24934  Datisca glomerata A. C. Sanders 1981-7-19 1689 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  UCSB17922  Datura wrightii Gerhart, Janet 1963-4-6 Riverside Coachella canal, siphon no. 22, 5 miles S of intersection of Salt Creek Wash Comment
  RSA709192  Daucus pusillus A. C. Sanders 2005-4-28 29756 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UCR187479  Daucus pusillus Theresa Johnson 2006-5-10 090 Riverside Peninsular Range, Alberhill, old clay mine area off Coal Road, north of Terra Cotta 488 Comment
  RSA747276  Deinandra fasciculata Orlando Mistretta 1992-6-10 513 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  UC1031412  Delphinium parishii subsp. parishii H. Lewis and C. Epling 1941-5-7 Riverside 3 mi n Cottonwood Spring; Joshua Tree Nat. Mon. Comment
  RSA701498  Delphinium parryi M. Wall 1993-5-19 72 Riverside Sage Rd, 4.6 mi S of Red Mtn Rd SE of Hemet. Associated plants include Adenotstoma fasciculatum, Eriogonum fasciculatum, Collinsia concolor, and exotic grasses. Comment
  UCR89801  Delphinium parryi Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3343 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR107818  Delphinium parryi subsp. parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 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
  CAS-BOT-BC43351  Descurainia pinnata subsp. glabra Cecil Hart 1922-5-21 13 Riverside San Jacinto Mountains. Comment
  JOTR01031  Descurainia pinnata subsp. ochroleuca Cole, James E. 1941-4-15 599 Riverside Joshua Tree National Park. 1 MILE ABOVE PINON WELL 1493 Comment
  UCR121079  Dichelostemma capitatum A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24960 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  SDSU12912  Dichelostemma capitatum subsp. capitatum Jutta Buschbom 1991-5-1 2 Riverside SE-Slope, N-Border of the Reserve, beyond an avocado-grove, ca. 500 m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve. Comment
  CLARK-A1528-1797  Dicoria canescens John C. Roos 1948-10-15 Riverside Whitewater Comment
  OBI26028  Dicoria canescens David J. Keil 1977-1-2 11935 Riverside W of Blythe along I-10 Comment
  UCR264611  Dicoria canescens Mitch Provance 2012-11-9 1120- 2 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  UCR207344  Digitaria sanguinalis O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCSB24961  Dimorphotheca sinuata Breedlove, Dennis 1962-3-11 Riverside Alongside road, flood plain of San Jacinto River, 6.2 miles southeast of State 79, on State 74; in Hemet 579 Comment
  CHSC1799  Diplacus fremontii E. Thomas 1940-4-14 Riverside Temescal Canyon. Comment
  SD124542  Diplacus fremontii J. Sauer, Jan Devine 1980-5-17 6098 Riverside San Jacinto mountains; near Lake Fulmor Comment
  RSA0019414  Diplacus fremontii J. T. Howell 1927-8-2 562 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA0018435  Diplacus longiflorus var. calycinus N. C. Cooper 1944-7-15 1554 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC150874  Diplacus puniceus C. F. B. 1904-4-4 4152 Riverside Elsinore Comment
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Sep 3 2017
  SEINET8245387  Diplacus puniceus D. W. McNeal 1981-3-30 2437 Riverside above Hwy. #74 ca. 6.0 mi. w. of Interstate #15 at Lake Elsinor. Comment
  SD136963  Distichlis spicata Steve Boyd, Tim Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. Local and uncommon along small, flowing stream south of Serrano Spring 730 Comment
  UCR133653  Distichlis spicata 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
  UCD64340  Distichlis stricta A. A. Beetle 1942-4-22 3177 Riverside Beside Salton Sea. Comment
  CLARK-A1656-844  Ditaxis lanceolata Jon Mark Stewart 1983-10-31 83-50 Riverside Palm Desert 1200 Comment
  UCD142302  Ditaxis lanceolata Geoffrey Levin 1976-10-17 1181 Riverside Mecca Hills Mt. Range; Box Canyon, about 11 mi. east of Mecca. 91 Comment
  RSA778006  Ditaxis neomexicana J. Andre 2011-2-9 15930 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
  UCR198166  Ditaxis neomexicana Michael Honer, L. Hulse 2004-4-2 1885 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains, east Wide Canyon, near MWD aqueduct, c. 2 mi north of Dillon Road 488 Comment
  UCR208852  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 351 Comment
  JOTR33805  Ditaxis serrata var. californica La Doux, Tasha, B. Truesdell 2007-11-9 3303 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  CAS-BOT-BC43690  Dithyrea californica S. B. Parish; W. F. Parish 1882-4-1 15 Riverside Borders of Colorado Desert, Whitewater. Comment
  SEINET1004371  Dithyrea californica Natham Moorhatch 2005-1 Riverside Western Sonoran (Colorado) Desert: Coachella Valley, E. edge of Santa Rosa Mtns., La Quinta, W of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 18 Comment
  SEINET3105562  Dithyrea californica Faulkner 1978-3-20 331 Riverside Near Big Maria Mountains, 1 mile west of Colorado River. 152 Comment
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Sep 9 2013
  UCR17077  Dithyrea californica James K. Ryan 1969-3-15 52 Riverside Sonoran (Colorado) Desert, Windy Point, off Hwy 111 between Banning and Palm Springs c. 8 mi NE of Palm Springs (only point where mtn ridge reaches hwy), Coachella Valley 152 Comment
  RSA783371  Dodecatheon alpinum J. D. Olmsted 1959-7-7 753 Riverside Northern extension of Skunk Cabbage Meadow; 4.5 miles east of Idyllwild 2424 Comment
  POM13670  Dodecatheon alpinum subsp. majus P. A. Munz 1922-7-6 5993 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA461477  Dodecatheon alpinum subsp. majus Claire Kibbe 1936-07 s.n. Riverside San Jacinto Mountans. 1982 Comment
  UC162554  Dodecatheon clevelandii subsp. clevelandii H. M. Hall 1897-1-24 362 Riverside vicinity Riverside; vicinity of Riverside 426 Comment
  CAS-BOT-BC41634  Draba corrugata var. saxosa Philip A. Munz 1922-7-7 6043 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3285 Comment
  UCR25944  Draba cuneifolia John C. Roos 1947-3-15 3351 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  RSA530891  Draba saxosa Albert J. Perkins 1917-7-19 s.n. Riverside Summit San Jacinto Pk. 3293 Comment
  RSA0006633  Draba saxosa Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  RSA85439  Dryopteris arguta J. C. Roos 1952-4-13 5519 Riverside Box Springs Mts. 518 Comment
  SEINET13709264  Dryopteris arguta J. Adams, J. Adams (Botany) 1966-1 746 Riverside Santa Rosa Plateau, Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  RSA58862  Dudleya abramsii P. A. Munz, P. C. Everett 1950-6-23 14913 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  SD70422  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass. 550 Comment
  SDSU13555  Dudleya lanceolata W. Miller with C. Mosse 1972-7-20 Riverside Upstream from Beaver dam. Comment
  RSA388326  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA562430  Dudleya multicaulis D. E. Bramlet 1993-5-5 2338 Riverside Tributary to Olsen Cyn., some 76 m. S of the Cyn. and 90 m E of the existing dirt road. The site is approx 213m NE of the existing El Sobrante landfill. 375 Comment
  UC69874  Dudleya multicaulis C. M. Wilder 1905-5-30 584 Riverside West Riverside Comment
  RSA164074  Dudleya saxosa subsp. aloides Donald W. Kyhos 1960-06 2 Riverside Bed of San Gorgonio River 2 mi. N or Banning. Comment
  SD45430  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater 455 Comment
  SEINET8060010 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 11 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 4 2016
  RSA0125225  Echinocereus engelmannii var. engelmannii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  SEINET3928586  Echinochloa colona Sears 1977-10-13 S 605 Riverside Wiley's Well exit off Interstate 10 near Playa Lake.; 0 122 Comment
  UCR23770  Eclipta prostrata John C. Roos 1948-10-23 3524 Riverside Riverside, Evans Lake, Fairmont Park 274 Comment
  RSA463705  Ehrharta erecta Mira M. Bogen 1987-5-10 s.n. Riverside [Riverside?] Along Van Buren Boulevard between bridge over Santa Ana river and sewer. Comment
  RSA0028738  Elatine brachysperma R. E. Riefner 1998-4-22 98 -295 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA65625  Elatine californica F. W. Peirson 1922-5-21 4109 Riverside Hemet Valley. [Hemet Valley = Garner Valley -SDW] 1338 Comment
  UC1409150  Elatine chilensis Robert F. Thorne and Earl Lathrop 1969-5-12 37939 Riverside Mesa de Colorado, Rancho Californua Santa Rosa Plateau Comment
  UCR94488  Eleocharis acicularis var. acicularis 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
  RSA719526  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR154935  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR67397  Eleocharis macrostachya A. C. Sanders, E. Rey, D. Willick 1991-4-19 10925 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  RSA78221  Eleusine indica J. C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside. 259 Comment
  SD132491  Elymus condensatus Scott White 1990-10-2 Riverside Vail Lake area: Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  SD71848  Elymus condensatus Helen V. Witham 1969-7-2 193 Riverside dry flat, on De Luz Creek 7 miles south of Murietta on road to De Luz 299 Comment
  UCR154760  Elymus condensatus T. B. Salvato, Kent Beaman 2005-5-16 781 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
  JOTR35510  Elymus elymoides subsp. elymoides La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3197 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  UC38191  Elymus glaucus H. M. Hall 1901-7-20 2515 Riverside vicinity of Strawberry Valley San Jacinto Mts. 1615 Comment
  UCD61812  Elymus glaucus Peter Kamb 1948-7-3 1143 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UCR146200  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: near Squaw Mountain, series of unpaved roads on east and north-facing slopes 823 Comment
  UC1124258  Emmenanthe penduliflora H. S. Yates 1937-3-23 6407 Riverside 3 miles N of Palm Springs; San Jacinto Quad. 213 Comment
  UCD119202  Emmenanthe penduliflora Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3158 Riverside Vail Lake area. 487 Comment
  UC111153  Encelia californica F. M. Reed 1905-4-10 796 Riverside Arlington Heights Comment
  CAS-BOT-BC131324  Encelia farinosa Peter H. Raven 1958-2-15 11586 Riverside Along U. S. Highway 60, 8.7 miles east of road to Wiley Wells Comment
  CAS-BOT-BC131349  Encelia farinosa Aven Nelson; Ruth Nelson 1939-3-24 3250 Riverside In the lower part of Palm Canyon Comment
  CLARK-A1528-1809  Encelia farinosa John C. Roos 1952-4-9 5509 Riverside Riverside 335 Comment
  RSA796096  Encelia farinosa Duncan S. Bell 2009-4-20 306 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC1929638  Encelia farinosa V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1087 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  UCR275138  Encelia farinosa David Fraker, Aaron C. Sedgwick 2012-4-4 064 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  SEINET10826151  Encelia farinosa David B. Dunn 1948-1-25 Dunn 3647 Riverside Found in ravine northeast of the top of the grade east of Riverside, California about 5 miles out. Comment
  SEINET6810910  Encelia farinosa John Thieret, Brandenburg, David 1982-6-5 53089 Riverside 25 miles W of Desert Center; Desert Center; 25 miles W of Comment
  RSA475298  Encelia farinosa var. farinosa Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2127 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA503401  Encelia farinosa var. farinosa J. D. Olmsted 1962-5-10 3605 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  SDSU13898  Encelia farinosa var. farinosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2159 Riverside Santa Margarita Ecological Reserve (SDSU), along north-south running dirt road. 396 Comment
  RSA791931  Encelia farinosa var. phenicodonta D. Silverman, M. Bibbo 2010-3-31 7837 Riverside Southern McCoy Mountains, east bajada flank, 1.5 km west of Black Creek Road, 6.5 km north of I-10, and 6.9 km east northeast of McCoy Peak. 177 Comment
  POM310156  Ephedra californica Hulda Crooks 1946-3-2 263 Riverside Palm Springs area. 139 Comment
  UCR228390  Ephedra californica Thomas R. Stoughton, J. McConnaughy, Andrew Monks, Malia Volke 2010-3-31 118 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111 740 Comment
  UCR4014  Ephedra californica Val Chase 1965-3-7 5 B Riverside Western Colorado Desert, 1 mi south of Desert Hot Springs on the road S to Garnet 457 Comment
  CAS-BOT-BC81682  Ephedra fasciculata James R. Shevock 1978-4-8 5780 Riverside along Calif. highway 195, [approximatley] approximately 3 miles from Interstate 10, west of Chiriaco Summit. Box Canyon 304 Comment
  UCR91062  Ephedra nevadensis Bern Schwenn 1994-2-20 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Little San Bernardino Mtns. 'Hidden Gold' Canyon near the Hidden Gold Mine. Along a wash edge in S18. 915 Comment
  SEINET3005053  Ephedra trifurca G. Rink 2011-4-28 10491 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 94 Comment
  SEINET5585522  Ephedra trifurca Duncan S. Bell 2009-1 222 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA596531  Epilobium brachycarpum D. L. Banks 1996-7-16 1128 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road) . 427 Comment
  UCR17539  Epilobium campestre John C. Roos 1952-5-28 5731 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR35212  Epilobium canum L. B. Ziegler 1966-9-13 100 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  CHSC1162  Epilobium canum subsp. canum E. Thomas 1939-11-12 Riverside Glen Ivy. Comment
  OBI35626  Epilobium canum subsp. latifolium Louis B. Ziegler 1964-8-20 10 Riverside San Jacinto Mts-Old kenworthy district 1433 Comment
  UC218230  Epilobium canum subsp. latifolium P. A. Munz 1922-9-5 6363 Riverside trail from Fern Valley to Tahquitz; San Jacinto Mts. 2164 Comment
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  RSA356642  Epilobium densiflorum Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47296 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  RSA698280  Epilobium oregonense J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2896 Comment
  RSA736382  Epilobium pygmaeum Scott D. White, Justin M. Wood 2008-5-1 11923 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCSB925  Epipactis gigantea Kamb, Peter 1948-7-11 Riverside Hall Canyon; San Jacinto Mtns 1645 Comment
  UCR202585  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA125550  Equisetum hyemale var. affine R. Weatherby 1949-5-14 439 Riverside Dripping Springs. 457 Comment
  UC1930143  Equisetum laevigatum Scott D. White, Justin Wood 2008-5-15 11977 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR201661  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR207343  Eragrostis O. F. Clarke 2004-8-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM146222  Eragrostis cilianensis F. M. Reed 1927-10-25 5520 Riverside Riverside Comment
  POM352237  Eragrostis cilianensis Anstruther Davidson 1904-5-11 1091 Riverside Palm Springs Comment
  RSA0015415  Eremalche exilis Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UC217908  Eriastrum densifolium subsp. austromontanum P. A. Munz 1922-6-25 5820 Riverside between Vandeventer and Hemet Valley; San Jacinto Mts. 1432 Comment
  RSA0108910  Eriastrum densifolium subsp. austromontanum P. A. Munz 1922-7-1 5927 Riverside Santa Rosa Mtns: Old Nicholas Canyon. 1524 Comment
  UCR133417  Eriastrum diffusum Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 312 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR160849  Eriastrum eremicum Mark S. Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs area, SW corner of Hwy 111 and Gene Autry Trail 104 Comment
  JEPS69038  Eriastrum eremicum subsp. eremicum W. L. Jepson 1901-5-22 1350 Riverside Palm Canyon of San Jacinto 914 Comment
  UCD118281  Eriastrum filifolium K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR174070  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32636 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  SD28003  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 mi So of Rice on Blythe Road 700 Comment
  RSA0123311  Eriastrum sapphirinum Naomi Fraga, Duncan S. Bell 2009-5-6 2709 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  SBBG34230  Eriastrum sapphirinum T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UC130497  Eriastrum sapphirinum Charlotte M. Wilder 1909-7-15 959 Riverside at gate near keeper's house; Hemet Valley Comment
  UCR215988  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2000-5-25 23398 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
  RSA0121593  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1991-6-14 6389 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR162758  Ericameria brachylepis John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  RSA606371  Ericameria cuneata Jon E. Keeley, J. T. Rothrock 1992-11-11 22533 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  UCR34964  Ericameria linearifolia L. B. Ziegler 1970-4-20 398 Riverside San Jacinto Mtns, Avery (Mission) Canyon, foothills of mtns. 503 Comment
  CAS-BOT-BC298878  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  CDA29898  Ericameria palmeri var. palmeri Mike Lahti 2009-10-2 PDR# 1501842 Riverside Santa Rosa Hills, west of the city of Murrieta. 0 Comment
  HSC47477  Ericameria paniculata Richard Spjut 1978-11-21 5234 Riverside Colorado Desert; N of North Palm Springs along Indian Ave. Comment
  UCR231184  Ericameria parishii A. C. Sanders, Kent Beaman 2011-9-27 39924 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  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
  RSA594512  Ericameria pinifolia D. L. Banks, Dylan Hannon 1996-5-3 0999 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
  RSA596184  Ericameria pinifolia D. L. Banks 1996-11-7 1210 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  SEINET5708418 Image available Ericameria teretifolia Grady L. Webster, R. Hildreth 1966-1 7454 Riverside Joshua Tree National Monument, Split Rock.; Joshua Tree National Park Comment
  UCR34966  Erigeron foliosus var. foliosus L. B. Ziegler 1967-6-15 161 Riverside San Jacinto Mtns, Bautista Creek Canyon 732 Comment
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA69818  Eriochloa acuminata J. C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  UCD65680  Eriochloa aristata J. C. Roos 1965-9-26 Riverside In Indio. Comment
  RSA659767  Eriochloa contracta J. C. Roos 1963-8-10 s.n. Riverside Blythe Comment
  SD229190  Eriodictyon crassifolium var. crassifolium Dick Schwenkmeyer 2012-10-16 929 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  POM12123  Eriodictyon trichocalyx Mary F. Spencer 1921-4-19 1120 Riverside Banning. Comment
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Mar 13 2011
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  RSA0104493  Eriogonum apiculatum Duncan S. Bell 2015-9-30 8662 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA766436  Eriogonum apiculatum E. L. Peterson 1930-8-28 s.n. Riverside Canyon between Tahquitz Valley Trail and Marion Peak, above Idyllwild. San Jacinto Mts. 1890 Comment
  SBBG160  Eriogonum apiculatum R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2499 Comment
  UC489082  Eriogonum apiculatum C. V. Meyer 1928-7-26 527 Riverside San Jacinto Mt. 2072 Comment
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Nov 12 2011
  UCR13883  Eriogonum apiculatum J. Zabriskie 1973-8-16 401 Riverside Santa Rosa Mountains, Santa Rosa Mtn. 2134 Comment
  CAS-BOT-BC242787  Eriogonum davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road, San Jacinto Mts. 1371 Comment
  RSA766333  Eriogonum davidsonii Shearer 1930-09 s.n. Riverside Strawberry Valley. San Jacinto Mts. 1616 Comment
  SBBG1479  Eriogonum deflexum H. and M. Dearing 1940-6-7 4335 Riverside Box Cyn E of Mecca Comment
  UCR72173  Eriogonum deflexum Theo Glenn 1991-5-15 91- 134 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  CHSC109288  Eriogonum deflexum var. deflexum Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu 2004-5-14 11244 Riverside Colorado Desert: Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA0043030  Eriogonum deflexum var. deflexum Duncan S. Bell, Loraine Washburn 2014-4-8 6574 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  UC849368  Eriogonum deflexum var. deflexum Lewis S. Rose 1938-12-24 38348 Riverside 20 mi e Mecca 3 Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR172141  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2006-5-11 32259 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  POM159934  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  CAS-BOT-BC249957  Eriogonum fasciculatum var. foliolosum A. M. White 1974-6-4 1367 Riverside Indian Road ca. 15 mi W. of Sun City Comment
  CAS-BOT-BC250127  Eriogonum fasciculatum var. polifolium Scott D. White 1996-8-1 4338 Riverside Idyllwild Area: North of Strawberry Valley, between Bear Trap Cyn and Lily Creek 1615 Comment
  JOTR31138  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  POM11512  Eriogonum fasciculatum var. polifolium P. A. Munz 1922-7-1 5929 Riverside Santa Rosa Mtns: Old Nicholas Canyon. 1524 Comment
  POM230616  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 6592 Riverside Keen Camp P. O. 1360 Comment
  SDSU13543  Eriogonum fasciculatum var. polifolium W. Miller 1972-7-20 Riverside Border N.W. of Royal Oak Ranch. Comment
  RSA785072  Eriogonum gracile Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 80 Riverside Fobes Ranch road turn from Hwy 75 Comment
  UC1395199  Eriogonum gracile James L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside 1.5 mi sw, along California Highway 74, near turnoff to McConville Camp summit of Santa Ana Mountains (9 mi sw of Elsinore and 22 mi ene of San Juan Capistrano) Comment
  UCR234757  Eriogonum gracile var. incultum A. C. Sanders, John F. Green 2012-6-25 40312 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
  POM2336  Eriogonum gracillimum Jenkins, Street 1917-5-30 1970 Riverside San Jacinto. Comment
  CAS-BOT-BC257568  Eriogonum inflatum H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  HSC17284  Eriogonum inflatum C. L. Hitchcock 1966-3-21 24313 Riverside About 5 miles N of Milpitas Wash and 12 miles NW of Blythe-Glamis Hwy. Comment
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Mar 2 2013
  RSA131328  Eriogonum inflatum var. inflatum Peter H. Raven 1958-1-23 s.n. Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
  UC1287110  Eriogonum inflatum var. inflatum C. L. Hitchcock 1966-3-21 24313 Riverside wash about 5 mi n Milpitas Wash (12 mi nw of Blythe-Glamis road) Comment
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Mar 2 2013
  JOTR32458  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2604 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UCR50888  Eriogonum maculatum A. C. Sanders 1988-5-11 7814 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  CAS-BOT-BC270589  Eriogonum molestum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC270595  Eriogonum molestum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA761327  Eriogonum molestum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 685 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC269778  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 937 Riverside Black Mtn Campground; NW side of Black Mtn, San Jacinto Mtns 2286 Comment
  LA206954  Eriogonum nudum var. pauciflorum H. Lewis; 1939-10-21 1014 Riverside San Jacinto Mountains, Taquites Peak 2133 Comment
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Mar 2 2014
  LA206956  Eriogonum nudum var. pauciflorum Elizabeth McClintock; 1938-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley from Hidden Lake Comment
  UC64502  Eriogonum nudum var. pauciflorum H. M. Hall 1897-8-12 824 Riverside from Strawberry to Tamarack Valley Comment
  UC1252147  Eriogonum pusillum Robert Langston 1964-4-27 Riverside 12 mi sw Palm Desert (Pinyon Crest); Pinyon Crest Comment
  UCSB1532  Eriogonum pusillum Walker, Clifford 1954-4-10 Riverside slope mouth of White Water Canyon Comment
  CAS-BOT-BC253019  Eriogonum reniforme John H. Thomas 1957-3-30 6575 Riverside About 3 miles southeast of White Tank near the road to Cholla Cactus Garden about 20 miles northeast of Indio, Joshua Tree National Monument 883 Comment
  CAS-BOT-BC263525  Eriogonum thomasii P. C. Everett; E. K. Balls 1958-4-29 22960 Riverside U.S. Hwy. 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy. 99 121 Comment
  CLARK-A1528-748  Eriogonum thomasii Fred B. Essig 1967-3-12 Riverside Joshua Tree Monument Comment
  RSA639634  Eriogonum thomasii Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55362 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UC412849  Eriogonum thomasii S. B. and W. F. Parish Apr 1882 1203 Riverside Agua Caliente Comment
  UC472772  Eriogonum thurberi M. F. Spencer 1919-5-10 177 Riverside Little Mt. near Cottonwood Spring; Colorado Desert, Little Mt. Comment
  UCR108877  Eriogonum thurberi Heidi A. Haid 1968-4-29 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR160283  Eriogonum thurberi A. C. Sanders 1990-5-21 10022 Riverside San Jacinto Valley, Sanderson Ave. near Gilman Springs Rd., NW of San Jacinto 457 Comment
  RSA681033  Eriogonum trichopes Scott D. White, Michael Honer 2003-5-14 9265 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR63890  Eriogonum viridescens B. G. Pitzer 1989-4-16 1295 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  SEINET3085992 Image available Eriogonum wrightii H. Dearing, M. Dearing 1941-11-29 4775 Riverside Cathedral Canyon 6 miles East of Palm Springs Comment
  CAS-BOT-BC264920  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Along Gavilan Creek drainage system, Gavilan Plateau, Gavilan Hills Comment
  CAS-BOT-BC264926  Eriogonum wrightii var. membranaceum P. A. Munz 1941-10-1 17235 Riverside Dosa Palmos Springn north base of Santa Rosa Mts. Comment
  CAS-BOT-BC264931  Eriogonum wrightii var. membranaceum Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  LA207120  Eriogonum wrightii var. membranaceum C. M. Dammers; 1933-10-25 sn Riverside The Gavilan, Gavilan Hills Comment
  SD229230  Eriogonum wrightii var. membranaceum Dick Schwenkmeyer 2012-8-28 822 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  CAS-BOT-BC298479  Eriophyllum ambiguum var. paleaceum Edmund C. Jaeger 1922-3-19 s.n. Riverside Painted Canon near Mecca Comment
  UCR92389  Eriophyllum confertiflorum F. M. Reed 1926-5-15 5368 Riverside Peninsular Range, Foothills south of Menifee 579 Comment
  POM358163  Eriophyllum lanosum Anstruther Davidson 1922-4-1 3527 Riverside Palm Springs. Comment
  CAS-BOT-BC301800  Eriophyllum multicaule A. C. Sanders; J. C. Lyman 1995-4-16 1655904 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA160884  Eriophyllum multicaule Peter H. Raven 1962-3-19 16916 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  POM14085  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-14 4981 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM307281  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2138 Riverside Santa Rosa Mountains. Comment
  POM308430  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3069 Riverside Santa Rosa Mts. Comment
  POM358164  Eriophyllum wallacei Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA67309  Eriophyllum wallacei G. R. Campbell 1951-4-22 15999 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA771119  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4922 -a 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
  UCR177949  Eriophyllum wallacei Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 035 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR277163  Eriophyllum wallacei Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, NE of Snow Creek Village, < 50 m east of Snow Creek Rd. 370 Comment
  UCSB19368  Eriophyllum wallacei Creighton, B. 1961-5-6 Riverside 7.9 miles south of Banning on Banning-Idyllwild road, about 25 miles east of Riverside 1158 Comment
  RSA543586  Erodium brachycarpum Steve Boyd 1991-5-6 6138 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  JEPS61390  Erodium cicutarium W. L. Jepson May 1901 13558 Riverside Thomas Valley San Jacinto Mts. Comment
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Jun 19 2011
  UCR245918  Erodium cicutarium Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3951 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  CAS-BOT-BC421492  Erodium moschatum L. Nye; G. Gust 2005-3-11 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  POM10412  Erodium texanum Charlotte M. Wilder 1905-4-2 34 Riverside Wilders Canyon, Jurupa Hills near Riverside. Comment
  RSA0043367  Erodium texanum Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17713 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  RSA681034  Erodium texanum Scott D. White, Michael Honer 2003-5-14 9270 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR279493  Erodium texanum A. C. Sanders, Jim Malusa 2017-3-25 43004 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-BC54335  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles form Pinon Flat Public Camp on road to Hemet on State Highway #74. Comment
  SBBG66754  Erythranthe cardinalis M. Lewis 1947-8-26 23 Riverside Dark Cyn 1981 Comment
  RSA0014880  Erythranthe primuloides M. B. Dunkle 1933-7-22 3749 Riverside Tahquitz Valley. 2317 Comment
  CAS-BOT-BC403359  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian Wash just south of Interstate 15 Comment
  SEINET7073295  Eschscholzia californica A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR213429  Eschscholzia glyptosperma A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37437 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA0118599  Eschscholzia minutiflora Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7641 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  SEINET3094862 Image available Eschscholzia minutiflora Norman C. Cooper 1949-4-8 3243 Riverside Mecca Pass east of Indio. 610 Comment
  UCR30089  Eschscholzia minutiflora George K. Helmkamp 1983-4-5 483- 35 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JEPS51691  Eschscholzia parishii W. L. Jepson 1928-4-23 12549 Riverside wash 2 1/2 mi below Cottonwood Spring; Eagle Mts. 487 Comment
  UCR216498  Eschscholzia parishii Jim Andre, T. La Doux 2009-3-10 11234 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 542 Comment
  SD124718  Eucalyptus rudis Alden Kelly 1986-3-17 Riverside Edgmont area of Moreno Valley, from planting long W side of Hwy 215 Eucalyptus Ave 456 Comment
  SD247455  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range Eastern Foot of the Santa Ana Mountains: Temescal Canyon NW of Horsetheif Canyon Road along DePalma Road, SE of Glen Eden Road and south of the east end of Lee (Corona) Lake, south side of I-15 (Alberhill 7.5'Q) 370 Comment
  SEINET3091513 Image available Eucrypta chrysanthemifolia Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  UCR98071  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19900 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  SDSU13329  Eucrypta chrysanthemifolia var. chrysanthemifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 24 Riverside Along a poorly defined trail east of the north research station. At the Santa Margarita Ecological Research Station (SDSU). 322 Comment
  CLARK-A1528-2975  Eucrypta micrantha John C. Roos 1966-3-26 Riverside Comment
  RSA78474  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17503 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  JEPS31735  Eulobus californicus W. L. Jepson May 17 1901-Jun 1 1901 1215 Riverside mesas e Riverside Comment
  JOTR34191  Eulobus californicus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2985 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  SDSU12868  Eulobus californicus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 21 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  RSA791458  Eulobus californicus Keith E. Hoffmaster 1933-4-15 687 Riverside Desert end Palms to Pines road. Comment
  UCR172161  Euphorbia albomarginata T. B. Salvato, Gregg Miller 2005-6-3 1379 A Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  POM12172  Euphorbia misera E. C. Jaeger 1921-4-2 62 Riverside Whitewater Bench Comment
  RSA314623  Euphorbia misera R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UC455399  Euphorbia palmeri I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  UCR5988  Euphorbia palmeri Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, across the street from entrance to San Jacinto Wilderness State Park, on roadside, in Idyllwild. 1809 Comment
  RSA717574  Euphorbia polycarpa A. C. Sanders 2004-2-6 27386 Riverside Foothills at edge of Temescal Valley, intact ridge at a development called Trilogy at Glen Ivy, south of Brown Canyon 442 Comment
  SD224941  Euphorbia polycarpa G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2675 Riverside Little San Bernardino Mtns, 3.2 mi. N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  UCR112976  Euphorbia polycarpa B. G. Pitzer 1998-3-1 3549 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR129150  Euphorbia polycarpa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  RSA356726  Euphorbia spathulata R. F. Thorne, E. W. Lathrop 1975-5-25 45555 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA392122  Eustoma exaltatum Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  PASA2353  Fagonia californica 1929-4-28 Riverside Hidden Springs Comment
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Jun 24 2016
  CAS-BOT-BC167370  Fagonia laevis Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC167376  Fagonia laevis Edmund C. Jaeger 1920-3-31 s.n. Riverside Hills south of Palm Springs Comment
  GMDRC3748  Fagonia laevis T. La Doux, J. Andre 2009-3-1 385 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
  JOTR35084  Fagonia laevis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3535 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  RSA480079  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2168 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCSB8693  Fagonia laevis Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA6666  Ferocactus cylindraceus var. cylindraceus B. D. Stark 1933-5-13 4982 Riverside Andreas Canyon. 762 Comment
  UCR102191  Festuca myuros Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  UCR133356  Festuca myuros Tracy Tennant, J. S. Ross 1998-5-7 MOR- 123 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR180145  Festuca myuros Mitch Provance 2003-4-26 9904 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
  UCR91442  Festuca myuros Scott D. White 1995-3-30 2630 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  UCR174093  Festuca octoflora A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32513 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR197060  Ficus carica A. C. Sanders, D. L. Sanders 2008-9-27 36112 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA612779  Filago californica D. L. Banks, Victor Steinmann 1997-3-13 1423 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA614653  Filago californica A. C. Sanders 1997-3-1 19700 Riverside Box Springs Mtns: Coyote Hill (Bench Mark 'Versity', 1386ft) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA703372  Filago californica LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1440 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR107401  Filago californica B. G. Pitzer 1997-3-23 2982 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
  RSA504983  Filago depressa D. Charlton 1988-2-18 1153 Riverside S side of Little San Bernardino Mts. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 5 miles E of Jct. Dillon Road and Fargo Canyon Road 762 Comment
  RSA501081  Filago gallica Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3199 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  SBBG28435  Fouquieria splendens D. Myrick 1964-4-29 840 Riverside 10 mi W of Palm Desert on Pines to Palms Hwy 74 914 Comment
  CAS-BOT-BC223588  Fouquieria splendens subsp. splendens J. Beley 1974-2-21 0448 Riverside Eagle Mt. Rd. about 3 miles west of Desert Center Comment
  CAS-BOT-BC223604  Fouquieria splendens subsp. splendens John H. Thomas 1957-3-30 6539 Riverside 8.1 mile east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  RSA0018445  Fragaria vesca R. M. Straw 1953-6-5 452 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  SD212712  Frangula californica T. B. Salvato 2004-5-27 597 Riverside Head of Banning (San Gorgonio River) Canyon .Bernardino County line, 0.5 mile Southeast of Oak Glen Conservation Camp. 1402 Comment
  UC1931133  Frasera parryi Scott D. White, Justin Wood 2008-6-17 12167 Riverside San Jacinto Mountains: Garner Valley - Kenworthy Station (USFS). (Butterfly Peak) Comment
  SD73611  Fraxinus dipetala Helen V. Witham 1970-5-1 864 Riverside 10.4 miles south of Hwy 74. Bautista Canyon, southeast of Hemet. 1000 Comment
  CAS-BOT-BC211016  Fraxinus velutina Winfield 1975-4-17 2399 Riverside West end Fairmont Park - Riverside Comment
  RSA717493  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA458585  Funastrum cynanchoides var. hartwegii A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  RSA676108  Funastrum hirtellum Scott D. White 2001-4-17 8337 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 freewayexit accessing pump station. 457 Comment
  UCR244894  Funastrum hirtellum Jim Andre 2012-3-19 21374 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  SEINET10496383  Funastrum hirtellum A. Evans 1976-4-13 Evans 5178 Riverside Desert canyons of Santa Rosa Mts. Comment
  UC1618025  Galium andrewsii Donald G. Nelson 1936-5-22 386 Riverside on the Pines-to-Palms Hwy. at Ribbonwood Camp (San Jacinto Mts.); San Jacinto Mts. Comment
  RSA180485  Galium angustifolium subsp. angustifolium E. W. Lathrop 1960-6-9 4983 Riverside 14 miles west of Murrieta. Comment
  JOTR29243  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  JOTR29244  Galium angustifolium subsp. gracillimum La Doux, Tasha 2005-8-8 1524 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Eureka Peak 1676 Comment
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA682187  Galium angustifolium subsp. jacinticum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1113 Riverside Black Moutain Road (4501), southeast of Black Moutain and northwest of Fuller Mill Creek. 2043 Comment
  RSA483568  Galium aparine D. Charlton 1988-5-21 1956 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1677 Comment
  SD187473  Galium aparine Scott D. White, Angelia Carey 2004-4-16 10192 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  SEINET9349054  Galium aparine Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR147257  Galium aparine Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1282 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR24919  Galium aparine A. C. Sanders 1980-7-18 1657 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA701501  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1296 Riverside Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows. 1418 Comment
  RSA612370  Galium nuttallii D. L. Banks, Joe Moreno 1997-2-5 1252 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area 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. 402 Comment
  SBBG29186  Galium parishii E. C. Jaeger 1949-7-25 Riverside Virgin Spring, N slope Toro Peak 2377 Comment
  SD186324  Galium porrigens Andy C. Sanders, Mike Misenhelter 2005-3-23 29266 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JEPS52916  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1965-6-17 4132 Riverside s Idyllwild (on road to Alvin Meadow) Comment
  RSA97291  Garrya flavescens var. pallida F. W. Peirson 1933-4-13 10644 Riverside 1-2 miles SE of Palm Creek crossing, on road from Deep Canyon to Idyllwild, Santa Rosa Mts. 1524 Comment
  RSA234079  Garrya veatchii Robert F. Thorne, E. Lathrop 1969-6-6 39331 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  CAS-BOT-BC154107  Geraea canescens N. Aitkenhead 1977-2-3 2117 Riverside At intersection of T/L & Chuckwalla Mnt. Road Comment
  SD227745  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside Coachella Valley. La Quinta / Palm Desert Area; Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  UC909785  Geraea canescens Norman C. Cooper 1949-3-15 3027 Riverside Palm Springs Palm Springs (roadside) 121 Comment
  UCD132593  Geraea canescens R. W. Scora 1966-4-1 3003 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
  RSA198939  Geranium dissectum Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37597 Riverside Santa Rosa Plateu: Rancho California 610 Comment
  UCR178156  Gilia T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 137 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCD117630  Gilia achilleifolia subsp. multicaulis A. A. Beetle 1940-1 s.n. Riverside near Sage. Comment
  RSA470131  Gilia angelensis Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  UCR50078  Gilia australis N. M. Fellows, A. C. Sanders 1985-4-9 134 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  POM10417  Gilia capitata subsp. abrotanifolia Charlotte M. Wilder 1907-4-6 s.n. Riverside Whitewater Ranch Comment
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Nov 30 2009
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA783253  Gilia capitata subsp. abrotanifolia J. D. Olmsted 1962-5-2 3456 Riverside In small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 564 Comment
  UCR165818  Gilia latifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR277164  Gilia maculata Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, NE of Snow Creek Village, < 50 m east of Snow Creek Rd. 370 Comment
  CAS-BOT-BC407605  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles N of Idylwild Comment
  RSA0016238  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4728 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0016279  Gilia ochroleuca subsp. exilis P. A. Munz 1922-6-27 5850 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  RSA0016294  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-19 1703 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA776341  Gilia scopulorum Duncan S. Bell 2010-3-20 639 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  JEPS69719  Gilia stellata W. L. Jepson 1928-4-25 12600 Riverside in the wash below Cottonwood Spr; Colorado Desert, Eagle Mtns. 731 Comment
  JOTR30802  Gilia stellata La Doux, Tasha 2008-3-10 1823 Riverside Joshua Tree National Park. Northwest end of Eagle Mountains, near road to Cottonwood Canyon 898 Comment
  POM8527  Gilia stellata Mary F. Spencer 1920-4-5 64 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA0096821  Gilia stellata Duncan S. Bell, Andrew Chambers 2015-3-12 7785 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles northeast of Red Dome. 863 Comment
  RSA709878  Gilia stellata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4623 -a Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA767450  Gilia stellata J. Andre, T. La Doux 2009-3-10 11253 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  CAS-BOT-BC123838  Gilia tenuiloba Samuel Bonsal Parish; William Fletcher Parish 1880-7-1 689 Riverside San Jacinto Mts. Comment
  CAS-BOT-BC266539  Githopsis diffusa John Roos; Lucille Roos 1952-5-24 5710 Riverside N of Moreno 502 Comment
  RSA593781  Githopsis diffusa subsp. diffusa Jeri Hirshberg 1995-5-19 276 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  UCR59060  Glinus lotoides Ed LaRue 1989-10-11 s.n. Riverside 1.5 mi. west of Lake Mathews, north of Cajalco Rd. Comment
  UC489087  Glyceria elata C. V. Meyer 1928-7-24 519 Riverside Idyllwild Falls; San Jacinto Mts. 1889 Comment
  POM182409  Glycyrrhiza lepidota J. B. Feudge 1930-7-24 2090 Riverside Santa Ana River, 2 miles N of Riverside. Comment
  UC64366  Glycyrrhiza lepidota H. M. Hall 1892-5-27 569 Riverside Rincon Comment
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Jul 22 2010
  SEINET7063461  Gnaphalium canescens A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  UCR37484  Gnaphalium canescens subsp. microcephalum Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  HSC85300  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Terrace escarpment between Horsethief wash and Indian Truck trail, S of I-15; along telephone line road on terrace Comment
  UCR88293  Grayia spinosa A. C. Sanders, K. C. Rose 1995-4-5 16379 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA152493  Gutierrezia californica Otto T. Solbrig 1958-8-20 2775 Riverside 1 mile from Pal Spring Palm Desert Hwy, near entrance to Tahquitz Canyon. Comment
  RSA614386  Gutierrezia californica Scott D. White 1997-5-25 5246 b Riverside Perris Basin: Winchester Area: Hills S of Patton Ave. and W of Winchester Rd., ca. 2 air mi SW of jct Winchester Rd and Simpson Ave. 457 Comment
  UC1536844  Gutierrezia californica G. H. True Jr. 1935-3-19 134 Riverside 6 mi se Perris 487 Comment
  UCR106912  Gutierrezia californica D. L. Banks, L. Raz 1996-11-5 1161 Riverside NW Palomar Mtns., Pechanga Indian Reservation, south of San Gabriel Church; west of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34 390 Comment
  UCR4210  Gutierrezia californica K. S. Gill 1965-3-14 s.n. Riverside hillside towards Agricultural Extension Buildings on UC Riverside campus. 244 Comment
  LA203636  Gutierrezia lucida Carl Epling; 1937-11-26 sn Riverside White Tank, 29 Palms Comment
  CAS-BOT-BC302140  Gutierrezia sarothrae Mitch Provance 2003-4-5 6612 Riverside San Bernardino Valley: Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  JOTR35238  Gutierrezia sarothrae Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  POM259263  Gutierrezia sarothrae P. A. Munz 1938-8-14 15388 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  CAS-BOT-BC231097  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Between Indian Truck Trail and Horsethief Wash 365 Comment
  UC1563101  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3206 Riverside w end bench on s flank Oak Mountain (Vail Lake area); , s flank Oak Mountain 518 Comment
  UCR58164  Helianthus californicus George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  CHSC356  Helianthus gracilentus V. Holt 1942-3-29 Riverside Santa Rosa mountains. Comment
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Feb 10 2009
  RSA152146  Helianthus gracilentus Wesley O. Griesel 1962-6-29 s.n. Riverside Road between Banning & Idyllwild. Comment
  SD178127  Helianthus gracilentus A. C. Sanders 2004-5-12 27889 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. At edge of riparian zone and on dry hills. 377 Comment
  UCR34977  Helianthus gracilentus L. B. Ziegler 1968-6-25 321 Riverside San Jacinto Mtns., In Morris Ranch area above valley 1616 Comment
  SEINET959054  Heliotropium curassavicum A. C. Sanders 2006-1 32273 Riverside Warm Springs Valley, N edge of City of Lake Elsinore, 35 acre parcel south of the intersection of Callier Ave. and Riverside Dr., NE of Alberhills Crk., NW of Enterprise Way (Lake Elsinore 7.5Q) 389 Comment
  UCR225741  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2011-3-30 38890 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  RSA180444  Hemizonia fasciculata E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta Comment
  RSA725969  Hemizonia fasciculata Mitch Provance 2005-5-27 4605 Riverside San Bernardino Valley: Riverside, Sycamore Canyon, just E of the corner of Canyon Crest Drive and Via Vista. 381 Comment
  UCR261270  Hemizonia kelloggii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41723 Riverside Temescal Canyon, across Temescal Canyon Rd. from Lee (Corona) Lake dam, N of I-15 Fwy, mouth of Indian Canyon Wash 354 Comment
  RSA94099  Hemizonia kelloggii F. W. Peirson 1925-5-20 6011 Riverside Aguanga. 610 Comment
  POM49852  Hemizonia mohavensis P. A. Munz, Johnston 1924-7-29 8880 Riverside Banning Idyllwild Road. 945 Comment
  RSA191404  Hemizonia paniculata E. W. Lathrop 1967-9-26 6641 Riverside 6 miles NW of Murrieta. Comment
  RSA655231  Hemizonia paniculata Scott D. White 1999-11-12 7632 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  UCR258629  Hemizonia paniculata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-6-2 8061 Riverside Peninsular Range; Perris-Aguanga Basin, rolling hills just north of Franklin Street between Miramar and Channing Way, c. 1 mi northeast of Lake Elsinore 429 Comment
  UCR68035  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2056 Riverside SE corner of Ramona Expressway and Warren Ave. 490 Comment
  UCR120196  Herniaria hirsuta subsp. cinerea Mitch Provance 1998-3-6 144 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  UCR90403  Hesperocnide tenella D. L. Banks, Steve Boyd 1995-5-9 0421 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  LA22798  Hesperoyucca whipplei Eva Ward; sn Riverside Mt. David, Beaumont Comment
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Mar 2 2014
  UCR90358  Heterocodon rariflorum D. L. Banks, Steve Boyd 1995-5-30 0480 Riverside Peninsular Range; Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, along the Dripping Springs Trail; at first saddle area in section 34, NNE of two peaks of Agua Tibia Mtn. 1134 Comment
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Apr 28 2009
  UCR163989  Heteromeles arbutifolia John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  HSC47338  Hibiscus denudatus R. W. Spjut 1978-5-17 5044 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  RSA668428  Hibiscus denudatus S. Granger 1979-2-13 s.n. Riverside Chuckawalla Mountains. Comment
  UC472813  Hibiscus denudatus F. G. Woodcock and M. F. Spencer 1922-4-28 412 Riverside Chino Canyon Palm Springs; Colorado Desert, , Palm Springs Comment
  UCR24936  Hieracium albiflorum A. C. Sanders 1980-7-22 1718 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  HSC84138  Hirschfeldia incana K. Seydel 1987-4-4 2 Riverside UCR campus, behind Lothian dorm, between Watkins Dr. and Big Springs Rd. 274 Comment
  CDA27091  Hoffmannseggia glauca T. C. Fuller 1964-4-14 11813 Riverside Northwest corner of Highway 111 & Avenue 52, Coachella. 0 Comment
  JEPS15378  Hoffmannseggia glauca Joseph and Hilda Grinnell 1937-11-30 1087 a Riverside 24 mi w of Blythe; Ford Dry Lake 106 Comment
  CAS-BOT-BC206107  Hoffmannseggia microphylla Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC206376  Hoffmannseggia microphylla Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  SBBG119035  Hoffmannseggia microphylla S. J. DeGroot, T. Thibault, V. Arvizu, L. Gross, L. Rojas 2004-5-14 4335 Riverside N of the Chocolate Mtns, just N of the Bradshaw Trail, S of Orocopia Mtns 168 Comment
  SEINET953937  Hoffmannseggia microphylla Unknown 1930-1 190 Riverside Near Shave's Well. Comment
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Aug 4 2013
  UCSB18783  Hoffmannseggia microphylla Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 32.2 miles W of Desert Center 304 Comment
  RSA652938  Holcus lanatus Mitch Provance 2000-6-24 2051 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  CAS-BOT-BC150021  Holodiscus discolor var. discolor E. W. Lathrop 1977-4-20 7609 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Summit of Santiago Peak on the Riverside County slope side Comment
  RSA572999  Hordeum brachyantherum subsp. californicum Steve Boyd 1986-4-19 1717 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  RSA618000  Hordeum depressum R. E. Riefner 1998-6-19 98 -362 Riverside Elsinore Trough between Willard and Murrieta Creek Comment
  CAS-BOT-BC285112  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  RSA356722  Hordeum marinum subsp. gussoneanum R. F. Thorne, Earl Lathrop 1975-5-25 45550 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  POM112842  Hordeum murinum subsp. glaucum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA433956  Horsfordia newberryi C. M. Dammers 1936-2-1 s.n. Riverside Canyon behind Coral Reef Ranch, 4 miles west of Coachella Comment
  RSA5352  Hulsea heterochroma B. D. Stark 1932-6-5 3706 Riverside Hemet to Idyllwild Road, San Jacinto Mts 1524 Comment
  CAS-BOT-BC312580  Hulsea vestita subsp. callicarpha Winifern W. Swarth 1914-9-15 s.n. Riverside Slope south of Round Valley, San Jacinto Mts. 2590 Comment
  CAS-BOT-BC312586  Hulsea vestita subsp. callicarpha Mary F. Spencer 1919-6-19 1200 Riverside San Jacinto Mt. 1645 Comment
  POM360711  Hulsea vestita subsp. callicarpha N. C. Cooper 1944-7-16 1556 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  RSA34537  Hulsea vestita subsp. callicarpha N. C. Cooper 1944-5-20 1254 Riverside Palms to Pines Hwy. San Jacinto Mts. 1432 Comment
  RSA679102  Hulsea vestita subsp. callicarpha Mark Elvin, Victoria Jotikasthira, Ron Wehterford, Jason Wehterford 1996-5-10 173 Riverside San Bernardino National Forest Comment
  POM361062  Hymenoclea salsola L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  JEPS63225  Hyptis emoryi W. L. Jepson 1914-5-18 6016 Riverside near Pinyon Well (<not> Cottonwood Mts. = Conchilla Mts.); near Pinon Well <not> Cottonwood Mts. = Conchilla Mts. 457 Comment
  POM126315  Hyptis emoryi Thomas Craig 1927-4-2 5 Riverside Palm Springs. Comment
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Feb 26 2008
  POM296040  Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside Dead Indian Creek Wash, Palms to Pines Hwy, 7 miles southwest of Indian Wells. 274 Comment
  POM308630  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3219 Riverside North of Indio. Comment
  UC1714392  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); Painted Canyon Comment
  UCR96199  Hyptis emoryi B. G. Pitzer 1996-11-9 2923 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  CAS-BOT-BC274060  Imperata brevifolia Louis Wheeler 1933-12-2 2318 Riverside U. S. 99 2 mi. NW Whitewater Station 365 Comment
  UCD126498  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside northwest of Neighbors Blvd. and Ave. 22, 1.4 miles north of Ripley. Comment
  CAS-BOT-BC311606  Isocoma acradenia var. eremophila W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] Comment
  RSA621888  Isocoma menziesii var. vernonioides Steve Boyd, Tim Ross, L. Arnseth 1989-3-18 3005 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR96804  Isomeris arborea A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19769 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  CHSC35206  Isomeris arborea var. arborea James Henrickson 1973-3-18 8610 b Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
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Apr 6 2013
  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
  SD247330  Iva axillaris Andy Sanders 2012-3-22 39990 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, 0.4 kilometer southwest (210 degrees) of intersection of Riverside Drive and Collier Avenue. 384 Comment
  UCR121889  Iva axillaris Ian G. Gillespie 2001-5-7 78 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR100825  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  CAS-BOT-BC110071  Juncus acutus S. B. Parish 1907-4-22 6146 Riverside Western border of the Colorado Desert. Palm Canon [Canyon]. Palm Springs. 200 Comment
  UC1930100  Juncus arcticus var. mexicanus Scott D. White, Justin Wood 2008-6-5 12062 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  UCR274291  Juncus balticus T. B. Salvato, Melissa Clemons 2005-6-6 1416 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
  UCR234428  Juncus bufonius Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA741016  Juncus effusus Scott D. White, Justin M. Wood 2008-6-18 12233 Riverside K Flat Meadow. 1433 Comment
  RSA368206  Juncus effusus subsp. austrocalifornicus L. C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  UCD141501  Juncus effusus subsp. austrocalifornicus Louis C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1584 Comment
  UCR117310  Juncus hemiendytus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  POM14394  Juncus phaeocephalus var. paniculatus Phillip A. Munz 1922-7-6 5999 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  POM184650  Juncus rugulosus L. C. Wheeler 1931-10-3 188 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  POM14114  Juncus saximontanus Phillip A. Munz 1922-6-30 5902 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR113860  Juncus torreyi Mitch Provance 2000-6-24 2076 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1656-856  Juncus xiphioides Jon Mark Stewart 1983-11-14 83-62 Riverside Santa Rosa Mountains 822 Comment
  UCR21862  Juncus xiphioides Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA353678  Juniperus californica N. C. Cooper 1943-10-9 960 Riverside Riverside. (Camp Hahn.) Dry hillside. Near March Air Force Base. 457 Comment
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May 13 2011
  RSA86343  Juniperus californica F. W. Peirson 1922-12-27 3332 Riverside Between forks of Andreas Canyon, near Palm Springs 609 Comment
  SEINET5778468 Image available Juniperus californica Marcus E. Jones 1882-1 3175 Riverside San Jacinto Comment
  UCR97258  Juniperus californica Scott D. White 1997-2-9 4676 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  CAS-BOT-BC234565  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs 138 Comment
  CAS-BOT-BC234572  Justicia californica G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Mecca Canyon Comment
  LA202782  Justicia californica D. Birindelli; 1969-3-9 266 Riverside Palm Desert 121 Comment
  LA202787  Justicia californica B. Lewis; 1939-4-9 sn Riverside Palms to Pines Highway 152 Comment
  RSA463156  Justicia californica Lyman D. Benson 1933-3-31 4183 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UC700978  Justicia californica Aven and Ruth Nelson 1939-3-22 3219 Riverside Palm Springs Comment
  UCR251725  Kallstroemia californica Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 55 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  JEPS13634  Keckiella antirrhinoides Peter Kamb 1949-5-8 1407 Riverside road above Banning (Banning-Idyllwild road, foothills of the San Jacinto Mts); San Jacinto Mts. 701 Comment
  UCR140706  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCSB7012  Keckiella antirrhinoides Lloyd, Robert 1959-4-17 Riverside Mt. Range Santa Ana; 3 miles south of West Corona; on the Oak Flat Fire Road 335 Comment
  RSA0018942  Keckiella antirrhinoides subsp. antirrhinoides John F. Emmel 1973-3-3 414 Riverside South Fork of San Jacinto River, west of Hemet. 823 Comment
  NY790223  Keckiella cordifolia D. L. Banks 1996-6-6 1119 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve, southwest side of the Water Storage tank. 100 m north of the road junction between 457.2 Comment
  JEPS13633  Keckiella ternata Peter Kamb 1948-7-4 1184 Riverside below Barton Lookout (Banning-Idyllwild road); San Jacinto Mts. 1158 Comment
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May 24 2012
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CAS-BOT-BC61439  Krameria bicolor David Dreyer 1968-7-1 s.n Riverside Near campground in Joshua Tree National Monument Comment
  JOTR32043  Krameria grayi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2258 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA192095  Lactuca serriola H. A. Zuill 1966-7-26 300 Riverside About 7.5 miles SW of Murrieta. Comment
  RSA191403  Lagophylla ramosissima E. W. Lathrop, R. F. Thorne 1967-9-26 6663 Riverside 6 miles NW of Murrieta. 610 Comment
  JEPS69283  Lamarckia aurea W. L. Jepson 1901-5-17 1208 Riverside e of Riverside (on road to San Jacinto, journey from Riverside to Santa Rosa Peak and Palomar); Southern California 266 Comment
  SDSU17492  Lamarckia aurea Jerry Jenkins 2001-3-31 2001 -014 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
  CDA7776  Lamium amplexicaule Mike Lahti 2008-3-1 PDR# 1473096 Riverside San Jacinto, 950 N. Ramona Blvd. 0 Comment
  SD152821  Lamium amplexicaule Steve Boyd 1998-2-26 6694 Riverside Santa Ana Mts. San Mateo Cyn. Wilderness Area from fisherman's camp downstream to confluence with Bluewater Cyn. 305 Comment
  UCR101796  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 1997-3-5 1329 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  SEINET8729313 Image available Langloisia flaviflora Helen K. Sharsmith 1952-1 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument, Riverside County. Altitude ca. 2000 feet. 610 Comment
  UCR175181  Langloisia matthewsii Jim Andre 2006-4-26 6758 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  RSA703743  Langloisia setosissima subsp. setosissima LeRoy Gross 2005-3-3 1565 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  JEPS23490  Larrea tridentata W. L. Jepson 1914-5-22 6046 Riverside Thousand Palms Canyon; Colorado Desert Comment
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Apr 3 2011
  RSA766607  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 176 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  UCR100085  Larrea tridentata R. G. Swinney 1967-2-4 158 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR75054  Larrea tridentata A. C. Sanders, E. J. Lawlor 1992-4-4 12096 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA594128  Lastarriaea coriacea D. L. Banks, Victor W. Steinmann 1996-4-20 0907 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  RSA0106455  Lasthenia californica Daphne K. Christopher, Hannah Stevens 2003-4-3 81 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak trail. 536 Comment
  UCR172198  Lasthenia coronaria 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
  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
  RSA596932  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Lake Elsinore area, S of I 15 along E side of Nichols Rd. Comment
  POM13000  Lasthenia gracilis P. A. Munz, I. M. Johnston 1922-5-19 5420 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA524596  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3911 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SDSU2770  Lasthenia gracilis S. J. Barnhart 1966-4-17 660417 -3 Riverside 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Utility Rd (dirt). Intersection of Utility Rd., and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UC188983  Lasthenia gracilis Lemmon 1880-5-1 1 Riverside San Gorgonio Pass Comment
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Mar 9 2011
  UCR100043  Lasthenia gracilis Scott D. White 1994-4-23 2051 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR228251  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-4-1 38934 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
  UCR91474  Lasthenia gracilis Scott D. White, M. Jacobsmeyer 1996-4-20 3959 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  CLARK-A1045-90  Lathyrus laetiflorus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains 3 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  RSA736550  Lathyrus laetiflorus Scott D. White, Angelia Carey 2004-7-2 10583 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA25609  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1941-6-29 10925 Riverside 2 4/10 mi. W of Dripping Springs Forest Service Camp on Rd. between Aguanga & Temecula. 457 Comment
  POM15152  Lathyrus vestitus subsp. laetiflorus Mary F. Spencer 1922-6-24 s.n. Riverside Idyllwild, San Jacinto Mountains. 1768 Comment
  UC15386  Lathyrus vestitus var. alefeldii H. M. Hall 1901-6-1 2153 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); , Colorado Desert 1371 Comment
  UC64364  Lathyrus vestitus var. alefeldii H. M. Hall 1897-3-27 408 Riverside Alamos, vicinity of Winchester Comment
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Apr 4 2013
  UC85246  Lathyrus vestitus var. alefeldii D. Cleveland 1882-5-4 Riverside Temecula Comment
  CAS-BOT-BC321148  Layia glandulosa Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert. 304 Comment
  CAS-BOT-BC379664  Layia platyglossa A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19880 Riverside Lake Skinner area; lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  UC917864  Layia platyglossa Frank W. Gould 1943-4-17 2105 Riverside 12 mi s of Corona Comment
  UCR124663  Layia platyglossa B. C. Templeton 1930-4-9 1024 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  RSA69725  Lemna gibba F. W. Peirson 1922-5-19 3018 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  UCR162956  Lepidium dictyotum var. acutidens Fred M. Roberts, D. E. Bramlet 2005-4-1 6152 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
  SD181640  Lepidium dictyotum var. dictyotum Steve Boyd 2001-4-12 10410 Riverside Gavilan Hills Region: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street. Comment
  RSA479908  Lepidium didymum Steve Boyd 1987-5-9 2085 Riverside City of Riverside, J.V. Boyd residence, 2307 Oak Crest. Comment
  SD21524  Lepidium fremontii Frank F. Gander 1938-5-21 5767 Riverside Shaver's Summit Comment
  SEINET3523485 Image available Lepidium fremontii Nancy Robb 1966-4-5 Riverside Two miles south of Yucca Valley-Lucerne road (old Woman Springs Road) 25 miles from Yucca Valley, on Paden property. Comment
  UCR89573  Lepidium fremontii Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  UCR260871  Lepidium lasiocarpum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41576 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  RSA689378  Lepidium nitidum Scott D. White 2001-4-19 8389 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  CAS-BOT-BC13020  Lepidium virginicum Peter H. Raven; R. Snow 1957-7-26 11096 Riverside Banning-Idyllwild road, 0.9 mile north of Vista Grande Ranger Station, San Jacinto Mountains. Comment
  CLARK-A1045-306  Lepidium virginicum George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  UCR154740  Lepidium virginicum var. pubescens T. B. Salvato, Kent Beaman 2005-5-16 775 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
  POM9006  Lepidium virginicum var. robinsonii P. A. Munz, Harwood 1920-3-20 3399 Riverside 5 mi. So. of Corona. 305 Comment
  UCR121177  Lepidium virginicum var. robinsonii D. E. Bramlet 1990-4-26 1977 Riverside E side of Rawson Canyon, 2,500 ft. (~0.47 mi.) SW of knoll '2267" 610 Comment
  UCR16631  Lepidium virginicum var. robinsonii James K. Ryan 1969-3-26 s.n. Riverside City of Riveside, Box Springs Mtns. 100 ft uphill beyond Canyon Reservoir, at theast end of Blaine St. 427 Comment
  UCR25950  Lepidium virginicum var. robinsonii John C. Roos 1952-2-29 5367 Riverside San Bernardino Valley, [upper] Reche Canyon 549 Comment
  RSA5364  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside Sandy bank at mouth of Whitewater Wash. 305 Comment
  UCR58507  Lepidospartum squamatum Reid Moran 1967-11-7 14644 Riverside 7 mi west of Radec 400 Comment
  RSA736654  Leptochloa fusca subsp. uninervia Justin M. Wood 2008-7-16 32 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR89845  Leptodactylon californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3305 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA180366  Leptosiphon floribundus E. W. Lathrop 1960-5-27 5229 Riverside 6 miles west of Murrieta. Comment
  SD181409  Leptosiphon floribundus Scott D. White, Tasha La Doux 2000-4-20 7702 Riverside South of Hemet; Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA180503  Leptosiphon liniflorus E. W. Lathrop 1959-5-17 4559 Riverside 10 miles W of Murrieta. Comment
  RSA262081  Leptosiphon liniflorus E. W. Lathrop 1968-5-22 6945 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR21842  Lessingia filaginifolia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UC892737  Lessingia glandulifera var. glandulifera I. W. Clokey and E. G. Anderson 1935-8-21 6951 Riverside w Keen Camp Post Office 1200 Comment
  UCR120540  Lessingia glandulifera var. glandulifera D. E. Bramlet 2000-8-30 3076 A Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  RSA198977  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Philip A. Munz 1968-5-8 37569 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA592024  Lilaea scilloides E. W. Lathrop 1968-5-15 6881 Riverside 8 miles W of Murrieta; Reedonda Mesa, Santa Rosa Plateau 610 Comment
  UCR241482  Lilium humboldtii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 235 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  POM12424  Lilium parryi Philip A. Munz 1922-9-6 6370 Riverside Meadow N of Tahquitz Valley, San Jacinto Mountains 2226 Comment
  RSA247368  Lilium parryi Gary D. Wallace, D. Wilken 1966-7-3 653 Riverside San Jacinto Mountains near Idyllwild in the vicinty of Strawberry Meadows. near the main highway no. 243. Comment
  UC454443  Lilium parryi I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCD105110  Limonium R. E. Riefner Jr. 2006-8-22 06 398 Riverside Corona-La Sierra area, vicinity of Green River Rd. and Palisades Dr. 15 Comment
  RSA757733  Linanthus bigelovii LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 s.n. 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
  RSA287066  Linanthus californicus S. Carlquist 1981-4-11 15645 Riverside Ortega Hwy - 74, 2 miles south of Lake Elsinore Comment
  POM364585  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-3-2 1637 Riverside Near Elsinore. Comment
  CLARK-A1528-3477  Linanthus liniflorus John C. Roos 1952-5-26 5712 Riverside Reche Canyon 457 Comment
  UC1608254  Linanthus parviflorus Steve Boyd and Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Creek, from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 304 Comment
  UCR25362  Linanthus pygmaeus John C. Roos 1952-5-7 5619 Riverside Box Springs Mountains north of Canyon Crest Heights. 488 Comment
  RSA34591  Linum usitatissimum N. C. Cooper 1944-5-6 1207 Riverside Whitewater Canyon. 457 Comment
  UC11870  Lithophragma affine H. M. Hall May 1901 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  RSA263664  Lithophragma affine subsp. mixtum E. W. Lathrop 1968-5-22 6915 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CSUSB1425  Lobularia maritima Peggy Merrit 1972-5-5 Riverside Lot on north east corner of Park and 7th street, dry waste place, growing with Spartium junceum. 271 Comment
  POM229022  Loeseliastrum schottii P. A. Munz 1937-5-31 15118 Riverside Below Anza Talblet, at head of Coyote Canyon. Southwestern Riverside Co. Comment
  RSA468341  Loeseliastrum schottii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UC572630  Loeseliastrum schottii H. S. Yates 1937-3-23 6398 Riverside 2 mi. n. Palm Springs; San Jacinto Quad. 213 Comment
  SD258330  Logfia depressa J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24388 Riverside Grommet; West Riverside Mountains; at base NW corner of corner range where sand ramps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  UCR273660  Logfia filaginoides Mitch Provance 2001-4-19 17016 Riverside San Bernardino Valley, Jurupa Mountains, Jurupa Valley, Sunnyslope area, E of Sierra Ave, N of Lauren Ln., at SW base of 'Noname Mtn. 320 Comment
  UCR243127  Logfia gallica Kate Kramer 2012-5-8 258 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  RSA343108  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60648 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  RSA180346  Lomatium dasycarpum subsp. dasycarpum E. W. Lathrop 1965-5-9 5717 Riverside 6 miles W of Murrieta. Comment
  RSA552754  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6740 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA525329  Lomatium lucidum Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4460 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UCR6040  Lomatium utriculatum Sally Crum 1966-3-20 s.n. Riverside Santa Ana Mtns., about 6 mi. west on Tenaja Rd. from Washington Ave. in Murrieta 917 Comment
  POM17410  Lonicera subspicata var. denudata M. L. Kendall 1922-5-2 s.n. Riverside Santa Ana Canyon. Comment
  UCR107678  Lotus argophyllus G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  UCR58166  Lotus argophyllus George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns., Edge of Lake Hemet 1400 Comment
  UC729879  Lotus crassifolius var. crassifolius Carl B. Wolf 1932-8-4 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA613446  Lotus hamatus D. L. Banks, Victor W. Steinmann 1997-3-13 1446 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR154821  Lotus hamatus A. C. Sanders, Mike Misenhelter 2005-3-23 29285 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA515327  Lotus humistratus Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro near head of Cole Canyon. 488 Comment
  RSA498741  Lotus procumbens T. W. Minthorn, Freda Detmers s.n. Riverside Road to Palm Spring and Banning Comment
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Oct 1 2011
  JEPS29485  Lotus rigidus Lauramay T. Dempster 1962-4-18 1897 Riverside Palms-to-Pines Highway Pinyon Flats 1066 Comment
  RSA735321  Lotus salsuginosus var. brevivexillus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11254 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
  CSUSB1625  Lotus scoparius Richard L. Irwin 1962-4-24 0054 Riverside Box Springs Mountains In mouth of canyon on Box Springs Mountains, by railroad, east of UCR (University of California Riverside) and shortly north of Big "C" 380 Comment
  UCR140692  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-11 27848 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR154392  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2005-6-15 30970 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA771701  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4697 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  RSA772857  Lotus strigosus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4822 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
  UCR107713  Lotus strigosus A. C. Sanders 1997-3-1 19748 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR97894  Lotus strigosus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19851 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA517840  Lotus tomentellus Bob Boyd, Orlando Mistretta 1986-3-13 1471 Riverside NE of Desert Center. Comment
  CHSC39252  Lupinus arizonicus M. O. Dillon; E. Rodriguez 1977-1-30 811 Riverside Ca. 21 mi E of Indio, and 0.5 mi N of Interstate Hwy 10. Near Joshua Tree National Park. Comment
  RSA795474  Lupinus arizonicus C. P. Cowan 1978-4-23 1208 Riverside 6.3 miles (10 km) south on Highway 74 from its junction with Highway 111 at Indian Wells. 480 Comment
  SD237432  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside UTM in Supplement.N. Palo Verde Mesa, E 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. Comment
  UCSB3394  Lupinus arizonicus Haller, John 1957-3-23 Riverside At South boundary of Joshua Tree National Monument; 4 air miles S of Cottonwood Sprs.; 1 miles N og junction with US 60 609 Comment
  UC1537129  Lupinus bicolor Gordon H. True Jr. 1935-3-18 124 Riverside hills e Citrus Expt. Station (Box Springs); e of Citrus Expt. Station, Box Springs 365 Comment
  UCR130709  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1998-6-27 4074 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  RSA652736  Lupinus bicolor subsp. microphyllus Marion P. Harthill 1971-3-19 14 Riverside Palm Desert. Comment
  SBBG47453  Lupinus concinnus N. C. Cooper 1944-6-17 1434 Riverside W side of San Jacinto Mtn 1371 Comment
  SBBG47454  Lupinus concinnus N. C. Cooper 1944-4-22 1159 Riverside Banning 731 Comment
  UCR241221  Lupinus concinnus Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1010 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  RSA407149  Lupinus concinnus subsp. optatus Robert Gustafson 1985-5-20 3115 Riverside San Jacinto Mtns., R-1, between Lake Fulmar and Allandale Comment
  POM50377  Lupinus densiflorus var. lacteus W. W. Eggleston 1924-3-8 19523 Riverside Hemet. 480 Comment
  RSA413603  Lupinus excubitus var. austromontanus Douglas Bothwell 1934-5-14 s.n. Riverside San Jacinto Mts, Idyllwild. 1610 Comment
  POM312120  Lupinus formosus N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA413640  Lupinus formosus var. bridgesii M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA0125292  Lupinus hirsutissimus Duncan S. Bell 2016-3-3 8778 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA314673  Lupinus hirsutissimus Robert F. Thorne 1983-4-23 55498 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR133189  Lupinus hirsutissimus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UCR16254  Lupinus longifolius S. Riddell 1973-5-17 730517 12 Riverside Peninsular Range; Santa Ana Mtns., 0.1 mi west of El Cariso Fire Station on Hwy 74, 15 ft from the road 793 Comment
  UCR166019  Lupinus shockleyi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  JOTR34361  Lupinus sparsiflorus Andre, Jim 2012-4-16 20876 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  OBI78143  Lupinus sparsiflorus David J. Keil, Malcolm McLeod 1979-3-18 12970 Riverside Alberthill Jctn along Hwy 71 366 Comment
  UC284920  Lupinus sparsiflorus P. A. Munz 1923-6-14 7102 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts., 914 Comment
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Apr 1 2013
  UCR225610  Lupinus sparsiflorus A. C. Sanders 2011-3-29 38833 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  RSA414268  Lupinus sparsiflorus var. mohavensis N. C. Cooper 1944-3-25 2014 Riverside Cabazon. 549 Comment
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Nov 22 2011
  UCR16260  Lupinus succulentus Shirley Hill 1963-4-24 630424- 5 Riverside 4 mi east of Sunymead on Hwy 60-70, in parking area of fruit stand 550 Comment
  UCR91447  Lupinus succulentus Scott D. White 1995-3-30 2658 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  RSA314674  Lupinus truncatus Robert F. Thorne, F. R. Fosberg, Charles C. Herbst, M. H. Sachet 1983-4-23 55499 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA500220  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3523 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA614550  Lupinus truncatus A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 19867 Riverside Lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR173148  Lupinus truncatus Abby Sirulnik 2000-4-25 20 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR176898  Lupinus truncatus Tracy Tennant 1998-5-13 1017 Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  UCSB10439  Lupinus truncatus Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road; from State Rd. 111; Colorado Desert Drainage Area; San Jacinto Mountain Range 609 Comment
  SEINET10870706  Lupinus truncatus Earl W. Lathrop 1969-5-8 Lathrop 7013 Riverside Main divide truck; trail between el carrison and san mateo canyon. Cleveland National forest. Chaparral with southern oak woodland. Santa ana mountains. 1219 Comment
  RSA698616  Lycium J. R. Bruff 1927-11-26 37 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  CAS-BOT-BC231413  Lycium andersonii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2178 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  CAS-BOT-BC231427  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside About 5 miles n.e. of Aguanga Comment
  POM251786  Lycium andersonii J. C. Roos 1938-4-27 19 Riverside Hill west of Arlington. Comment
  UC140137  Lycium andersonii C. F. Baker 1904-4-4 4145 Riverside Elsinore Comment
  UCR279523  Lycium andersonii A. C. Sanders, Jim Malusa 2017-3-27 43123 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
  UCR281232  Lycium andersonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 50 Riverside Temescal Valley, Southern foot of the Gavilan Hills, vicinity of Black Powder Rd., slopes adjacent to N side of the horse track 393 Comment
  UCSB23131  Lycium andersonii McMinn, Howard 1937-3-5 Riverside About 4 miles north of highway from Mecca to Desert Center in Cottonwood Mts Comment
  JOTR34398  Lycium cooperi Andre, Jim 2012-4-16 20932 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  SEINET270099 Image available Lycium cooperi Bern Shcwen 1994-4-9 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains 'Hidden Gold' Canyon below the Hidden Gold Mine in 3rd canyon on north side Comment
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Aug 25 2013
  UC1329895  Lycium cooperi James E. Cole 1941-5-17 721 Riverside Covington Flat Canyon Joshua Tree National Monument 1432 Comment
  UCR89527  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  RSA80305  Lycium fremontii F. W. Peirson 1927-4-12 7157 Riverside East branch of Painted Canyon, near Mecca. Comment
  RSA650056  Lycium pallidum var. oligospermum N. J. Chatterton, C. M. McKell 1966-4-26 s.n. Riverside Gold Valley Ranch. Table Top Mtns. Comment
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Jun 9 2013
  UCR112316  Lythrum hyssopifolia A. C. Sanders 1998-5-21 21871 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR17808  Machaeranthera canescens O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  UCR60656  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mtns, north slope of Santa Rosa Mtns. 2287 Comment
  CLARK-A1528-5378  Machaeranthera tephrodes John C. Roos 1951-10-19 5330 Riverside San Jacinto River 457 Comment
  CAS-BOT-BC203973  Malacothamnus fasciculatus Lester Rowntree 1937-11-6 s.n. Riverside Pines to Palms Comment
  CAS-BOT-BC206261  Malacothamnus fasciculatus Elmer I. Applegate 1893-4-23 55 Riverside East Riverside hills. Comment
  CLARK-A1528-266  Malacothrix californica Charlotte Stocks 1963-6-30 Riverside Anza Comment
  SBBG87399  Malacothrix coulteri A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6029 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  POM305807  Malacothrix glabrata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1052 Riverside Corona-Elsinore. Comment
  RSA278966  Malacothrix glabrata B. A. Prigge 1978-3-23 2413 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA525230  Malacothrix glabrata Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4607 Riverside Vail Lake area, NE of lake along Powerline road, 0.6 mile W of jct Hwy R3. Comment
  RSA757734  Malacothrix glabrata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 s.n. 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
  UC565513  Malacothrix glabrata Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR104931  Malacothrix glabrata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20642 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
  UCR167223  Malacothrix glabrata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  CAS-BOT-BC347894  Malacothrix saxatilis var. tenuifolia Katherine Esau 1935-6-20 s.n. Riverside Beaumont Grade Comment
  RSA16510  Malosma laurina Percy C. Everett 1935-6-17 7148 Riverside Santa Ana Mountains, near Glen Ivy Resort on Coldwater Canyon Trail to Santiago Peak. 457 Comment
  SBBG87444  Marah macrocarpa L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta Comment
  CAS-BOT-BC216182  Marina parryi Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13246 Riverside Highway U.S. 95, 11.3 mi. N of Blythe. In wash arising in Big Maria Mts. Comment
  UC494398  Marina parryi C. L. Hitchcock 1932-4-7 12205 Riverside Corn Springs, e Riverside County Corn Springs Comment
  UCSB22425  Marina parryi Myrick, Donald 1965-3-2 Riverside Desert near Midland, north of Blythe 91 Comment
  RSA586319  Marrubium vulgare D. L. Banks, Steve D. Boyd 1995-5-3 230 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
  UCR92166  Marrubium vulgare D. L. Banks, Steve Boyd 1995-5-3 0230 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  CAS-BOT-BC348068  Matricaria discoidea S. B. Parish 1914-4-13 9075 Riverside Ethanac, near Perris Comment
  UCR16898  Matricaria matricarioides J. N. Bullock 1970-5-16 P 25 Riverside Peninsular Range, On the E shoulder of California State Hwy 71 (the surface street) 0.2 m north of the Dawson Canyon turn off 268 Comment
  LA206250  Meconella denticulata W. E. Pequegnat; 1939-4-8 14 Riverside Santa Ana Mountains, Coldwater Trail 701 Comment
  UCR57131  Meconella denticulata Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  UCR91481  Medicago polymorpha Scott D. White, M. Jacobsmeyer 1996-4-20 3962 Riverside Perris Basin, Perris area: just south of Perris Airport, SE of Goetz Road/ Mapes Road intersection, north of San Jacinto River Channel 430 Comment
  RSA0063038  Medicago sativa Andrew Haimov, April Sleigh 1992-5-19 94 Riverside East side of Davis Road, 1/2 mile south of Allessandro Road. Comment
  CAS-BOT-BC47746  Melia azedarach A. C. Sanders 2006-5-11 32269 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. 388 Comment
  CAS-BOT-BC271198  Melica A. C. Sanders; T. B. Salvato; Matthew Malle 2010-4-7 37800 Riverside Southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of interesection of I-15 and Lake St., Peninsular Range 525 Comment
  JOTR34341  Melica frutescens Andre, Jim 2012-4-11 20684 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
  SDSU17522  Melica frutescens Jerry Jenkins 2001 -035 Riverside Santa Margarita Ecological Reserve. West shore of S.M. river, on granite bluffs. UTM zone 6, 481900E, 3699850N. UTM transfered to GIS. 165 Comment
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Aug 11 2017
  UCR2535  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Murray Canyon 457 Comment
  POM114751  Melica imperfecta Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SBBG53765  Melica imperfecta S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau; NE of trailer park, E of Gavilan Rd Comment
  UCR195616  Melica imperfecta Pesach Lubinsky, Jeffrey Ross 1998-5-31 049 Riverside San Bernardino Mtns., Morongo Indian Reservation, eastern fork of Lion Canyon 713 Comment
  UCR241682  Melica imperfecta T. B. Salvato 2013-3-22 7410 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
  UCR241656  Melilotus indicus T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 316 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR202604  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA741195  Mentzelia Scott D. White, Justin M. Wood 2008-5-15 11973 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SEINET3005060  Mentzelia albicaulis G. Rink 2011-4-29 10498 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  JOTR36438  Mentzelia involucrata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3410 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
  POM14007  Mentzelia involucrata P. A. Munz, D. D. Keck 1922-4-9 4827 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA785022  Mentzelia involucrata Duncan S. Bell 2012-3-18 3193 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR51970  Mentzelia involucrata Steve Boyd, S. Meury , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2139 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA25321  Mentzelia involucrata var. megalantha C. L. Hitchcock 1940-3-29 5855 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UCR47284  Mentzelia laevicaulis B. G. Pitzer, H. P. Hall, J. L. Hall 1987-5-23 0570 Riverside San Bernardino Mtns., Whitewater Canyon, c. 0.25-0.50 mi north of Trout Farm, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. 732 Comment
  SD225013  Mentzelia obscura G. K. Helmkamp 1998-4-4 3145 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd.) 456 Comment
  RSA654612  Mentzelia veatchiana Bruce Albert 1982-4-17 78 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR140737  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  CAS-BOT-BC348454  Micropus californicus var. californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed of Bluewater Cyn, S of Sitton Pk. 853 Comment
  SEINET273065  Microseris douglasii A. C. Sanders 1997-3-26 20131 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. 1550 Comment
  UCR116505B  Microseris douglasii subsp. platycarpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR266781  Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-3-25 315- 27 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
  UCR75554B  Microseris elegans A. C. Sanders 1993-5-12 14007 B Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA648663  Microseris heterocarpa R. E. Riefner 1998-3-22 98 -184 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  RSA645619  Microseris lindleyi Scott D. White, Steve Ogg 1994-4-21 1948 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCR171987  Microseris lindleyi John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  SD186343  Mimetanthe pilosa Andy C. Sanders 2005-6-15 31005 Riverside Sage-Aquanga Region: 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Road, at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 640 Comment
  UC26710  Mimulus H. M. Hall 1899-5-31 Riverside Smith Mt. Comment
  UC943876  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1892 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  UC943881  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 E Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  RSA285893  Mimulus aurantiacus var. puniceus D. C. Michener 1982-5-24 4048 Riverside Main divide truck route to Santiago Peak ca 6 mi. north of El Cariso. Comment
  RSA585180  Mimulus aurantiacus var. puniceus D. Atwood 1993-3-26 17662 Riverside 1.5 mi. S. of Lake Elsinore, along Hwy 74. 671 Comment
  UC1577079  Mimulus aurantiacus var. puniceus C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4728 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  UCR91462  Mimulus aurantiacus var. puniceus Scott D. White 1995-3-30 2669 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UC27106  Mimulus breweri H. M. Hall July 1901 2346 Riverside Tamarack Valley San Jacinto Mountains 2438 Comment
  RSA156031  Mimulus clevelandii Peter H. Raven 1962-5-18 17759 Riverside [Santa Ana Mountains] Main Divide truck trail 2.9 miles south of Santiago Peak. 1235 Comment
  POM1  Mimulus guttatus C. F. Baker 1904-4-5 4142 Riverside Hemet Comment
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Mar 24 2011
  UC1563128  Mimulus guttatus Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3575 Riverside along Arroyo Seco drainage from jct with Kolb Creek (s to w/in 1/4 mi of Hwy 79); Vail Lake Area 457 Comment
  RSA0054845  Mimulus guttatus var. nasutus Keith E. Hoffmaster 1933-4-14 528 Riverside Tahquitz canyon. Comment
  RSA535599  Mimulus johnstonii David M. Thompson 1988-3-3 818 Riverside 4.9 miles N of I-10 access road along paved road to Whitewater Hatchery in Whitewater River Canyon, then 0.4 miles farther N beyond hatchery along dirt road. 707 Comment
  JEPS11354  Mimulus microphyllus W. L. Jepson 1901-5-22 1364 Riverside Palm Canyon, upper part Mt. San Jacinto region 914 Comment
  UC27001  Mimulus microphyllus H. M. Hall June 1901 2219 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCSC000875  Mimulus moschatus Peter Kamb 1947-6-7 574 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  CAS-BOT-BC9643  Mimulus palmeri Victor Duran 1932-5-18 3220 Riverside Idyllwild, San Jacinto Mountains 1676 Comment
  UC56261  Mimulus parishii F. Gilman 1902-1 18 Riverside Palm Springs Comment
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Jul 6 2010
  CDA41833  Mimulus pilosus Scott D. White 1998-8-1 6974 Riverside Peninsular Ranges/San Jacinto Mtns region; Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park. Comment
  RSA314473  Mimulus pilosus Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55380 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR174342A  Mimulus pilosus A. C. Sanders 2006-5-19 32397 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC9539  Mimulus rubellus Philip Alexander Munz 1922-6-30 5911 Riverside Santa Rosa, Santa Rosa Mountains 1981 Comment
  RSA719779  Mimulus suksdorfii Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1736 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA773172  Minuartia douglasii Duncan S. Bell, Valentin Arvizu 2010-5-24 1111 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  SEINET191757  Mirabilis californica P. A. Munz 1940-3-22 15654 Riverside Whitewater Canyon 2 mi N of Banning-Indio Blvd Comment
  RSA717494  Mirabilis laevis John Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, Greenway site along Tucalota Creek ca. 1 mile east of Murrieta Hot Springs. 396 Comment
  UCR132705  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  POM293183  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12023 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  POM293184  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12022 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  RSA465234  Mirabilis laevis var. crassifolia Richard C. Barkelew 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  POM121880  Mirabilis laevis var. retrorsa Marcus E. Jones 1906-4-26 s.n. Riverside Indio. Comment
  RSA772129  Mirabilis laevis var. retrorsa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4827 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  SJSU8552  Mirabilis laevis var. retrorsa R. C. McGehee 1970-4-28 239 Riverside 2 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR245899  Mirabilis laevis var. retrorsa R. F. Thorne 1995-3-29 63007 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 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
  UCR92711  Modiola caroliniana A. C. Sanders 1996-3-27 18022 Riverside University of California, Riverside; lawn on the west side of campus near The Barn 335 Comment
  RSA408758  Mohavea confertiflora Christopher Davidson 1979-4-4 7734 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA717470  Mohavea confertiflora Scott D. White, Andrea Warniment 2006-3-22 11267 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UC495307  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside near Deep Canyon (Coachella Valley); Coachella Valley 91 Comment
  RSA160551  Monardella australis subsp. australis J. D. Olmsted 1959-7-8 742 Riverside On trail from saddle to San Jacinto Peak, 100 feet above Wellman s Cienega 5 miles ENE of Idyllwild. Drainage area: Tahquitz Creek 2835 Comment
  UCR161453  Monardella breweri subsp. lanceolata Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., W side of Pine Cove, south of Logan Creek near Truck Trail 1829 Comment
  UCSB26224  Monardella breweri subsp. lanceolata Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwild Road, San Jacinto Mountains 1600 Comment
  RSA675  Monardella lanceolata var. lanceolata B. D. Stark 1927-6-25 210 Riverside Crestmore, near Riverside. 305 Comment
  RSA771487  Monardella linoides subsp. linoides Mark A. Elvin 2004-8-3 3653 Riverside Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  UCR85319  Monardella macrantha subsp. hallii A. C. Sanders, S. D. White, C. L. Sanders 1994-12-18 15896 Riverside San Jacinto Mountains, Old Idyllwild Control Rd at & just below Halfway Spring. 1100 Comment
  LA96100  Monardella nana Elizabeth McClintock; H. Lewis 1941-6-22 71 Riverside 0.1 mi. from fork in road going to the public camps, on Banning-Idyllwild road Comment
  SEINET3996319 Image available Monardella nana A. J. Breitung 1953-6-12 15551 Riverside Santa Rosa Mountains 1829 Comment
  RSA750308  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 124 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond Willow Creek. Comment
  UC25477 Image available Monardella nana subsp. arida H. M. Hall June 1901 2127 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain; Coyote Canyon, Santa Rosa Mountain, San Jacinto Mts. 1524 Comment
  UCR221495  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Peninsular Range; San Jacinto Mtns., Black Mountain, 2 miles beyond the snow gate 2256 Comment
  RSA751505  Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Joshua Tree National Park: Among boulders on NE end of Splitrock Picnic Area. 1327 Comment
  UC72711  Monolepis nuttalliana Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR228160  Monolepis nuttalliana Dave Silverman 2010-3-24 7830 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.3 km SE of Sidewinder Well, 2.0 km SW of Palen Dunes Dr., and 4.6 km N of Interstate 10 130 Comment
  CAS-BOT-BC349800  Monoptilon bellioides Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  CAS-BOT-BC349806  Monoptilon bellioides S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  JOTR35045  Monoptilon bellioides La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3498 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  POM363582  Monoptilon bellioides Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  RSA673724  Montia fontana Scott D. White 2000-4-12 7647 Riverside Baldy Mtn. area. 1616 Comment
  JOTR34187  Muhlenbergia appressa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3236 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  LA10011  Muhlenbergia asperifolia Louis C. Wheeler; 1933-12-2 2313 Riverside US 99, 2 mi. NW Whitewater Station 365 Comment
  RSA483256  Muhlenbergia asperifolia L. E. Hoffman 1932-5-28 s.n. Riverside Near San Jacinto Comment
  CAS-BOT-BC275253  Muhlenbergia microsperma Steve Boyd; et al. 1990-4-3 4101 Riverside Vail Lake Area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain, just S of the E summit 701 Comment
  RSA0018893  Muhlenbergia microsperma Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6029 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA515339  Muhlenbergia microsperma Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, SW-facing slope on south side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  RSA612496  Muhlenbergia microsperma D. L. Banks 1997-2-23 1321 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
  POM251782  Muhlenbergia minutissima J. C. Roos 1937-8-18 2 Riverside Hidden Lake, San Jacinto Mountains. Comment
  RSA403609  Muhlenbergia richardsonis Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  RSA50673  Muhlenbergia richardsonis E. C. Jaeger 1949-7-25 s.n. Riverside Santa Rosa Mountain 1585 Comment
  CAS-BOT-BC274910  Muhlenbergia rigens H. A. Zuill 1966-6-29 266 Riverside Cole Canyon 2 miles SW Murrieta Comment
  RSA0097959  Muhlenbergia rigens Duncan S. Bell 2014-11-14 7714 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA17545  Muhlenbergia rigens C. B. Wolf 1936-6-17 7960 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  RSA97131  Muhlenbergia rigens H. K. Buechner 1955-5-29 C 74 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  POM307297  Muilla maritima Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2155 Riverside Santa Rosa Mountains. Comment
  UCR132933  Muilla maritima 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
  UC217987  Myosurus minimus subsp. apus P. A. Munz and I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  UCR280989  Myosurus minimus var. apus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 57 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
  SDSU13919  Myriopteris clevelandii Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2087 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA421117  Nama demissa E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  UCR279494  Nama demissa A. C. Sanders, Jim Malusa 2017-3-25 42992 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
  UCSB13108  Nama demissa Dearing, Hugh; Dearing, Margaret 1941-4-9 Riverside Eight miles south of Mecca; Riverside County, California Comment
  JEPS1391  Nama demissa var. demissa I. W. Clokey 1935-4-17 6802 Riverside Cottonwood Springs Cottonwood Springs (Flats) Comment
  UCR16734  Nama demissa var. deserti J. Texera 1970-3-27 2 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  POM10017  Nassella cernua C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  POM14413  Nassella cernua P. A. Munz 1922-7-4 5970 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA484139  Nassella pulchra Christopher Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  RSA791727  Nasturtium officinale R. F. Thorne 1995-3-29 63019 Riverside White Water Canyon 600 Comment
  RSA700105  Navarretia atractyloides Virginia Moran 2003-5-28 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  SD234485  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley; Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR174094  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32550 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  RSA550479  Navarretia fossalis D. E. Bramlet 1992-5-8 2273 Riverside The site is south and west of the San Jacinto Wildlife Area, approximatly 1.2km north of Lakeview. It is located 700m. west of Davius Road, 61m north of Marvin Road. and 30m east of the San Jacinto River levee. 433 Comment
  RSA593895  Navarretia fossalis R. E. Riefner 1995-11-29 94 -396 Riverside E side of Davis Rd. San Jacinto Wildlife Sanctuary, 100' N of Old San Jacinto River. Comment
  SD138833  Navarretia fossalis Craig Reiser 1993-4-25 Riverside South side of Highway 79, perhaps I(c) mile east of Los Caballos Road. (IPB 3/06) Comment
  CLARK-A1045-219  Nemacladus glanduliferus George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q 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
  POM122480  Nemacladus longiflorus var. longiflorus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  SEINET10461149  Nemacladus rubescens Dearing 1937-4-10 DEARING 1834 Riverside 1000 Palms Canyon Comment
  UC665893  Nemacladus tenuis var. aliformis Ira L. Wiggins 1941-3-27 9671 Riverside 8 mi ne Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  CAS-BOT-BC416316  Nemacladus tenuis var. tenuis A. C. Sanders; K. C. Rose 1995-4-27 16731 Riverside Sonoran (Colorado) Desert: Coachella Valley, foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 548 Comment
  JEPS1478  Nemophila menziesii W. L. Jepson 1939-4-17 19125 Riverside Corona Comment
  JEPS3135  Nemophila menziesii Carl V. Meyer June 1927 185 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow (San Jacinto Mountains) 1676 Comment
  UCR172809  Nemophila menziesii Abby Sirulnik 2000-4-13 10 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  RSA0059611  Nemophila menziesii 1917-4-4 Riverside Palm Canyon 762 Comment
  UC26145  Nicotiana attenuata H. M. Hall Jun 1901 2150 Riverside borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains Comment
  UC303680  Nicotiana attenuata S. B. Parish 1900-1 4435 Riverside Strawberry Valley; San Jacinto Mts. Comment
  UC520128  Nicotiana attenuata Carl Epling 1932-6-25 Riverside Vandeventer Flat; San Jacinto Mts. Comment
  UCR117253  Nicotiana attenuata A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns., Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Rd., at northward bend in road 1341 Comment
  UCR2914  Nicotiana glauca Nancy Atha 1963-3-24 32463- 8 Riverside Upper Santa Ana River/San Bernardino Valley region, Riverside, NW side of [Quarry Hill] at the corner of Madison St. and Victoria Ave 335 Comment
  JOTR16862  Nicotiana obtusifolia Vanderspek & Youse 1964-4-17 64510 Riverside Joshua Tree National Park. 883 Comment
  JOTR35083  Nicotiana obtusifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3534 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  OBI2986  Nicotiana obtusifolia Lewis S. Rose 1967-12-19 67182 Riverside La Quinta 15 Comment
  UC474949  Nicotiana obtusifolia T. R. Gaines 1932-3-25 Riverside below Palm Springs (at foot of Santa Rosa Mts, at border of desert) 60 Comment
  UCR202032  Nicotiana obtusifolia Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  POM14396  Nolina bigelovii Philip A. Munz, D. D. Keck 1922-4-9 4907 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  POM212346  Nolina parryi Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  UC336517  Notholaena californica unknown May 1880 Riverside San Jacinto Mountains Comment
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Mar 12 2011
  CAS-BOT-BC171484  Oenothera californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  UCR107757  Oenothera californica subsp. californica D. L. Banks 1997-5-5 1973 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA776903  Oenothera deltoides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 959 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  SEINET6630452  Oenothera deltoides Robert L. Dressler 1949-3-19 418 Riverside 5 miles. North East of Desert Center Comment
  POM220053  Oenothera deltoides subsp. deltoides F. R. Fosberg 1932-3-13 8092 Riverside Thousand Palm Canyon, Coachella Valley Comment
  JOTR35316  Oenothera primiveris subsp. bufonis Kain, Katie, C. Veety 2012-2-29 s.n. Riverside Joshua Tree National Park. Pinto Wash; eastern Eagle Mountains, large wash south of dunes and north of basalt outcrops 320 Comment
  CAS-BOT-BC427458  Oligomeris linifolia Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  POM348470  Olneya tesota John Comstock 1942-5-31 645 Riverside Desert Center. Comment
  CAS-BOT-BC516766  Oncosiphon piluliferum R. E. Riefner, Jr. 2012-3-31 12 -63 Riverside City of Hemet, N. of Florida Ave. and S of W. Devonshire Ave and E of Meyers St 1514 Comment
  SD173197  Oncosiphon piluliferum Robert Noll 1998-3-23 Riverside Moreno Valley, east of Lake Perris along JFK Dr. [corrected from Blvd.] Comment
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Sep 12 2011
  UCR154611  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin, San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course 439 Comment
  CAS-BOT-BC56835  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SEINET10678633  Opuntia erinacea var. erinacea Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 139 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  SBBG88024  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Mesa de Colorado, 5 air mi SW of Murrieta 60 Comment
  RSA751352  Opuntia microdasys John F. Green 2008-6-5 s.n. Riverside south side of Hwy 74, c. 3 miles NE of Lake Elsinore and 3 miles NW of Canyon Lake. 478 Comment
  RSA508241  Opuntia parryi E. W. Lathrop 1977-7-13 7688 Riverside Bedford Truck trail of the Cleveland National Forest. At base of Bedford Canyon. Trabuco District. 457 Comment
  RSA6611  Opuntia parryi B. D. Stark 1933-2-19 4529 Riverside 2.5 miles east of Nuevo. [county not specified on label] Comment
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Feb 19 2007
  POM288042C  Opuntia phaeacantha David Griffiths 1906-1 8292 Riverside Banning. Comment
  CAS-BOT-BC56227  Opuntia polyacantha var. erinacea Edmund C. Jaeger 1925-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UC1534580  Orobanche bulbosa A. C. Sanders 1986-6-1 6544 Riverside along trail toward Spitler Peak from the Hurkey Creek Camp to Bonita Vista Road, San Jacinto Mountains Spitler Peak; San Jacinto Mountains Comment
  RSA0104791  Orobanche bulbosa Darin L. Banks, Steve Boyd 1995-6-2 566 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  SD103331  Orobanche californica subsp. feudgei W. P. Armstrong 1979-6-23 Riverside Bautista Canyon Road, ca. 6.0 miles northwest of junction with Highway 371. 1219 Comment
  UCD123190  Orobanche cooperi Steve Boyd; Orlando Mistretta 1986-3-13 1427 Riverside Palen Mountains: Northeast of Desert Center, jtn of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 243 Comment
  CAS-BOT-BC500135  Orobanche fasciculata Philip A. Munz 1940-3-22 15661 Riverside Whitewater Canyon, 2 mi N of Banning-Indio Hwy Comment
  RSA660755  Orthocarpus purpurascens Giancarlo Massarotto 1981-4-11 36 Riverside Calico Road 11 miles east of Corona land mark. Comment
  HSC85288  Osmadenia tenella Steve Boyd 1986-5-1 1794 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  SD10674  Paeonia californica Mrs. D. R. Wolf 1932-3-20 19 Riverside Richman Ranch, 2.5 mils north of De Luz. 456 Comment
  CAS-BOT-BC327940  Palafoxia arida J. Von Loh 1977-10-30 3307 A Riverside Ford Dry Lake Comment
  UCR108725  Palafoxia arida Scott D. White, Pam DeVries 1998-2-9 6084 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR165289  Palafoxia arida John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  SEINET10799061  Palafoxia arida David B. Dunn 1946-2-23 Dunn 1958 Riverside Collected in mud flats dry and caked and split. All American CAnal catch basin from desert washes. Orascopia Mts. northeast of the Saltan Sea. Comment
  UC831416  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside ca 12 mi e Indio Comment
  SEINET3388822 Image available Palafoxia linearis Lewis S. Rose 1936-1-1 36003 Riverside Colorado Desert, L.A. Aqueduct Road, 15 mi. N. of Indio. 305 Comment
  SD181751  Panicum acuminatum var. acuminatum Scott D. White, Teresa Salvato 2001-6-8 8573 Riverside Southern margin of county, just northeast of Rainbow Valley 334 Comment
  SBBG133577  Panicum capillare J. M. Wood 2008-9-19 130 Riverside SW Perris Basin, Temecula-Murrieta Crk, downstream of 1st street bridge 293 Comment
  CLARK-A1528-4784  Panicum hirticaule John C. Roos 1965-9-5 Riverside Comment
  UCR14420  Panicum miliaceum A. C. Sanders 1974-7-25 938 Riverside Riverside, corner of Chicago and Pennsylvania 296 Comment
  RSA263663  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SD152790  Papaver californicum Steve Boyd, Carol Boyd and Kyle Boyd 1992-3-21 6736 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  CSUSB1138  Parkinsonia aculeata John N. Bullock 1970-5-8 Riverside Twenty meters south of Dillon Road and Berdoo Canyon Road. 30 Comment
  RSA0027383  Parkinsonia florida Kristin Forgrave, Sarah J. De Groot 2013-6-4 14 Riverside On Graham Pass Rd 10 mi from Chuckwalla Valley Rd 362 Comment
  RSA0107430  Parkinsonia florida Duncan S. Bell 2009-8-15 422 Riverside West side of the Arica Mountains. 323 Comment
  SEINET10940084  Parkinsonia florida Billy Joe Cox 1975-4-23 Cox 4137 Riverside 1-3 km W, (ca 32 m S of Blythe). 70 Comment
  RSA698052  Parosela spinosa J. R. Bruff 1934-6-19 537 Riverside 5 mi. S.E Palm Springs. Comment
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Aug 27 2011
  RSA69815  Paspalum dilatatum J. C. Roos 1951-9-25 5262 Riverside West end Fairmount Park 259 Comment
  UCR113937  Paspalum distichum Mitch Provance 2000-6-24 2066 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR272674  Pectis papposa Sarah J. De Groot, Duncan S. Bell 2015-9-21 7585 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  JOTR30837  Pectis papposa var. papposa La Doux, Tasha, Jim Andre 2008-9-16 347 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  SD244099  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range: Alberhill, dirt track NE of new section of Nichols Road, south of Lake Street (Alberhill 7.5'Q) 433 Comment
  UCR241927  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  RSA0106693  Pectocarya heterocarpa Duncan S. Bell, Thomas Stoughton 2010-3-19 561 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2 air miles west of Priest Well. 449 Comment
  SBBG87400  Pectocarya heterocarpa A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  PASA1954  Pectocarya linearis Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  UCR228913  Pectocarya linearis A. C. Sanders 2011-4-7 39030 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA655095  Pectocarya linearis subsp. ferocula Scott D. White 2000-4-17 7657 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  SBBG55770  Pectocarya linearis subsp. ferocula D. Keil, M. McLeod 1977-3-26 12012 -1 Riverside Hwy 71, 8 mi NW of Lake Elsinore St Recreation area 365 Comment
  JOTR35926  Pectocarya penicillata De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA495816  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2926 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR164896  Pectocarya penicillata S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR228914  Pectocarya penicillata A. C. Sanders 2011-4-7 39029 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  CLARK-A1528-2252  Pectocarya platycarpa John C. Roos 1937-5-2 1838 Riverside Frost Reservoir Comment
  UCR213267  Pectocarya platycarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37440 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SD39276  Pectocarya setosa Edith A. Purer 1935-4-21 6451 Riverside Pine Valley, Pines to Palms Highway Comment
  UCR243177  Pelargonium capitatum Steve Morgan 2013-4-26 s.n. Riverside Peninsular Range, Riverside; UCR Campus, weed in the botanical garden 396 Comment
  IRVC3139  Pellaea andromedifolia R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  RSA686887  Pellaea mucronata var. mucronata Norman C. Cooper 1944-5-21 1305 Riverside San Jacinto Mountains, West side 915 Comment
  RSA97210  Penstemon centranthifolius R. M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain Truck Trail, off Palms to Pines Hwy. 1677 Comment
  SEINET3079809 Image available Penstemon clevelandii John Adams 1965-5-9 197 Riverside San Jacinto Mountains, 3 mi above Banning on road toward Idyllwild. 1067 Comment
  RSA184663  Penstemon clevelandii subsp. connatus L. B. Ziegler 1966-6-1 s.n. Riverside Near old Kenworthy Mine, Kenworthy Ranger Station, Hemet Valley 1524 Comment
  UCR12520  Penstemon clevelandii subsp. connatus Frank C. Vasek 1972-4-1 s.n. Riverside San Jacinto Mtns., In one of the westerly branches of Palm Canyon where it intersects the 'Pines to Palms Highway Comment
  SD51812  Penstemon clevelandii var. connatus Rimo Bacigalupi, L. R. Heckard 1953-5-5 4074 Riverside Western Riverside County. Along the Palms-to-Pines Highway (Calif. No. 74), above the seven level Hill, western slopes of Deep Canyon, about I(c) way betw. Santa Rosa Mts. And San Jacinto Mts, west side of Coachella Valley Comment
  UCR187288  Penstemon grinnellii Diane Menuz 2006-6-27 182 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  UC27467  Penstemon labrosus H. M. Hall 1898-7-2 969 Riverside San Jacinto Mountains San Jacinto Mountains (Southern California) Comment
  UC27400  Penstemon rostriflorus H. M. Hall June 1901 2302 Riverside trail to S. Jacinto San Jacinto Mountains, trail to S. Jacinto (in canyons of the w side, San Jacinto Mountains, Southern California) 1371 Comment
  UCR128312  Penstemon rostriflorus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8630 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA0014857  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside San Jacinto Mts. Point View near Idyllwild. 1646 Comment
  RSA741210  Pentachaeta aurea Scott D. White, Justin M. Wood 2008-5-15 11987 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA459096  Perideridia parishii subsp. latifolia M. B. Dunkle 1933-7-22 3744 Riverside Tahquitz Valley. 2317 Comment
  CAS-BOT-BC77478  Peritoma arborea var. angustata David Dreyer 1968-4-9 s.n. Riverside Along south side of Morongo Valley 609 Comment
  RSA554429  Perityle emoryi Theo Glenn 1991-5-30 91 -116 Riverside Mule Mtns, 0.2 mi. E of the Opal Hill Mine, just N of the Imperial County line and W of Palo Verde. Comment
  UC306392  Perityle emoryi S. B. Parish 1919-3-27 19196 Riverside Palm Canyon Colorado Desert Comment
  UC485143  Perityle emoryi F. M. Reed 1917-5-19 3854 Riverside Colorado Desert , Palm Canyon Comment
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Aug 14 2010
  UCR200298  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11214 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  CAS-BOT-BC419045  Persicaria lapathifolia Scott D. White 1996-9-22 4539 Riverside Perris Basin, W. Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing. 435 Comment
  CAS-BOT-BC167761  Petalonyx thurberi R. F. Hoover 1966-10-15 10155 Riverside Dead Indian Creek wash, south of Palm Desert Comment
  CSUSB976  Petalonyx thurberi K. A. Lamb 1968-4-21 680421 17 Riverside Approx. 13 miles northeast of Mecca, Highway 195. Comment
  SD67610  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. Frequent in washes and on the desert floor. Comment
  SD146140  Petunia parviflora A. C. Sanders, D. Bramlet, M. Costea, T. Salvato 1999-10-15 23174 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCR92284  Petunia parviflora Scott D. White, Steve Ogg 1994-10-17 2462 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  CAS-BOT-BC326770  Peucephyllum schottii Peter H. Raven 1958-3-15 11831 Riverside Painted Canyon near Mecca Comment
  CLARK-A1528-277  Peucephyllum schottii Charlotte Stocks 1964-8-15 Riverside Coachella Valley Comment
  RSA471974  Peucephyllum schottii Jack Rempel 1932-11-13 16123 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  SD262206  Peucephyllum schottii A. C. Sanders, Jim Malusa 2017-1-14 42656 Riverside Sonoran (Colorado) Desert: Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas (Frink NW 7.5'Q) 118 Comment
  UC1002627  Peucephyllum schottii Alice Yates and Jas. E. Wilcox 1954-1-29 Riverside 3 mi n Desert Hot Springs 396 Comment
  UC68951  Peucephyllum schottii Joseph Burtt Davy 1902-3-25 7934 Riverside Indio Comment
  POM14741  Phacelia ambigua F. W. Peirson 1922-4-11 s.n. Riverside Deep Canyon Wash, Coachella Valley 244 Comment
  RSA342253  Phacelia ambigua Robert F. Thorne 1963-3-29 32368 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  POM122680  Phacelia brachyloba Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM263071  Phacelia campanularia J. C. Roos 1937-4-18 678 Riverside Whitewater, Colorado Desert. Comment
  JOTR16716  Phacelia campanularia subsp. campanularia Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS 1280 Comment
  UC1184078  Phacelia campanularia subsp. campanularia Peter M. Ray 1949-3-12 1352 Riverside 2 mi w Whitewater; north side of Coachella Valley 457 Comment
  UC1518620  Phacelia campanularia subsp. campanularia Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55439 Riverside talus slope e bridge (mouth of canyon, e of Whitewater Post Office at s end of bridge); San Bernardino Mts., Whitewater Canyon 411 Comment
  JEPS2213  Phacelia campanularia subsp. vasiformis W. L. Jepson 1928-4-25 12571 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  UC672399  Phacelia cicutaria var. hispida Herbert L. Mason 1926-4-30 3136 Riverside 2 mi s Temecula Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  UC310588  Phacelia crenulata var. ambigua Philip A. Munz 1926-1-31 9958 Riverside Dos Palmos Spring Colorado Desert Comment
  UCR244410  Phacelia crenulata var. ambigua Jim Andre 2012-4-16 20905 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UC666575  Phacelia cryptantha Harlan Lewis 1942-5-3 1604 Riverside burn 1 mi w Pinyon Flats (Calif. Hiway 74) Comment
  UC64055  Phacelia curvipes H. M. Hall May 1899 1170 Riverside El Toro Peak San Jacinto Mountains 2133 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
  CDA40381  Phacelia distans T. C. Fuller 1962-4-4 7999 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  POM6742  Phacelia distans P. A. Munz, Street, Williams 1919-3-28 2374 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA78476  Phacelia distans Verne Grant, Alva Grant 1952-3-20 17506 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  RSA792625  Phacelia distans Robert F. Thorne 1995-3-29 63027 Riverside White Water Canyon. 600 Comment
  SD72092  Phacelia distans John Thomas Howell 1930-5-10 4791 Riverside St. John's Grade Comment
  SEINET5767841  Phacelia distans Norman C. Cooper 1944-4-23 1145 Riverside Banning. Comment
  UCR134646  Phacelia distans Mitch Provance 1998-4-10 416 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UC144133 Image available Phacelia douglasii var. cryptantha Charlotte M. Wilder 1908-3-28 873 Riverside sandy flat north of pond, Fairmount Park, Riverside, Cal. Comment
  JEPS1111  Phacelia imbricata subsp. patula Carl V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  JEPS24830  Phacelia minor Peter M. Ray 1949-3-12 1353 Riverside 2 mi w Whitewater (n side of valley); Coachella Valley 457 Comment
  RSA650535  Phacelia minor Jim M. Morrow 1959-5-10 s.n. Riverside Near Tenaja Camp, Cleveland Nat. For. near Murrieta. 610 Comment
  SD133067  Phacelia minor Scott White 1991-5-13 91 99 Riverside Hwy 79, immediately W of US Forest Service Campground at Dripping Springs 548 Comment
  SDSU12857  Phacelia minor Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998A Riverside Creekbed due south of SDSU Santa Margarita Field Station, ca. 1000 feet southwest on road to switchback bend, then ca. 800 feet northeast down to creekbed. 238 Comment
  SEINET5518995  Phacelia minor H. M. Hall 1900-5-15 s.n. Riverside Above Moreno Comment
  RSA703744  Phacelia neglecta LeRoy Gross 2005-3-3 1564 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR279396  Phacelia neglecta A. C. Sanders, Jim Malusa 2017-3-25 43011 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
  RSA719239  Phacelia pedicellata Michael Honer, L. Hulse 2004-4-3 1913 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
  SD178221  Phacelia ramosissima John Wear 1998-7-8 Riverside San Jacinto Mtns.: Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Moutain. 1372 Comment
  POM11517  Phacelia ramosissima var. latifolia P. A. Munz 1922-7-1 5926 Riverside Below Santa Rosa Mts. 1768 Comment
  UCR26103  Phacelia rotundifolia John C. Roos 1947-3-15 3350 Riverside Santa Rosa Mountains/Colorado Desert, Deep Canyon 366 Comment
  RSA584680  Phalaris lemmonii D. E. Bramlet, A. Sanders, S. Boyd, F. Roberts 1992-5-21 2290 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
  UCR220328  Phalaris lemmonii D. E. Bramlet 1992-4-15 2223 Riverside Perris-Aguanga 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 453 Comment
  SD247291  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 611 Comment
  UCR91871  Phalaris minor A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18044 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  SD143690  Phoradendron bolleanum Andy C. Sanders, P. MacKay, L.& P. Lubinsky 1994-10-30 15833 Riverside San Bernardino Mountains, Whitewater River Canyon between Red Dome and Stills Landing, SE of VABM Paw 911 Comment
  UCSB1321  Phoradendron bolleanum Keator, Glenn 1959-5-17 Riverside Edge of Colorado desert on Palms to Pines highway Comment
  LA209833  Phoradendron californicum F. R. Fosberg; 1932-3-13 8089 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  RSA676301  Phoradendron californicum Scott D. White 2001-4-3 8235 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG43589  Phoradendron californicum K. K. Muller 1957-4-13 801 Riverside 12 mi W of Desert Center Comment
  SEINET10739282  Phoradendron californicum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12847 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UC848865  Phoradendron californicum N. Dunn and A. M. Martin 1932-3-26 Riverside Shavers Well Comment
  UC1073269  Phoradendron densum George B. Rossbach 1955-4-22 233 Riverside between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  SD137585  Phoradendron leucarpum subsp. tomentosum Darin L. Banks 1995-5-9 411 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove area, W of Woodchuck Camping area 737 Comment
  POM48370  Phoradendron pauciflorum Philip A. Munz, I. M. Johnston 1924-7-27 8780 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  RSA585786  Phoradendron villosum D. L. Banks, Steve D. Boyd 1995-5-9 411 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  RSA19416  Physalis crassifolia I. W. Clokey 1935-4-17 6881 Riverside Cottonwood Springs. Comment
  UCD126803  Physalis crassifolia Geoffrey Levin 1976-10-17 1184 Riverside Box Canyon, about 11 miles east of Mecca. Mountain Range: Mecca Hills. Salton Sea Drainage Area. 91 Comment
  UCR240992  Physalis crassifolia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 53 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  VVC1339  Physalis crassifolia A. C. Sanders, J. Mac 1996-11-23 19652 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  RSA638199  Physalis philadelphica Scott D. White 1998-10-13 7179 Riverside Corona, near Bedford canyon: Dissected alluvial slope, foothills at eastern slope of Santa Ana Mts. 'Joseph Canyon' wash near a disused quarry. 335 Comment
  RSA0051595  Pinus cembroides var. parryana Elliott Waite 1950-4-30 s.n. Riverside Vanderventer Flats 1524 Comment
  UC1600406  Pinus contorta subsp. murrayana H. M. Hall 2321 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley Comment
  POM320781B  Pinus coulteri Anonymous 1968-11-20 s.n. Riverside Fulmor Lake. Mt. Range San Jacinto. 2134 Comment
  SEINET5486724 Image available Pinus coulteri Richard Carter 1984-12-25 Riverside 20M tree. Elev. @ 4500, 1.5 mi. NE of Anza on hwy 371. Comment
  RSA5238  Pinus flexilis C. B. Wolf 1932-8-5 3982 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  IRVC7622  Pinus monophylla P. W. Rundel Jan 1964 1181 Riverside Peninsular Ranges, San Jacinto Mountains Comment
  JEPS47935  Pinus monophylla W. L. Jepson 1916-5-18 6034 Riverside Pinyon Well Canyon, n borders Colorado Desert Pinyon Well Canyon; Colorado Desert, Cottonwood Mts., Pinyon Well Canyon Comment
  CSUSB2063  Pinus murrayana Lalo Codona 1972-7-20 1079 Riverside Mt. San Jacinto 2651 Comment
  NY62124  Pinus quadrifolia V. Duran 1933-7-2 3495 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCSB147  Pinus quadrifolia Cline, C. 1960-5-15 Riverside 0.2 miles West of Hwy. 74 toward Anza 1066 Comment
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information 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
  UCR88436  Pityrogramma triangularis A. C. Sanders, K. C. Rose 1995-4-5 16347 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SD181660  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside Gavilan Hills Region; southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street. Comment
  POM157936  Plagiobothrys canescens P. A. Munz 1927-5-21 10833 Riverside Coahuila Valley. 1372 Comment
  RSA699815  Plagiobothrys canescens Scott D. White, Michael Honer 2003-4-4 8944 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR116406  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24192 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
  UCR116792  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24154 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR228742  Plagiobothrys canescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR232029  Plagiobothrys canescens John F. Green 2008-4-15 0408- 01 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
  UCR96806  Plagiobothrys collinus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19771 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  POM3720  Plagiobothrys collinus var. californicus Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  SD244101  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green. 2013-3-27 40684 Riverside Peninsular Range: Alberhill, dirt track NE of new section of Nichols Road, south of Lake Street (Alberhill 7.5'Q) 433 Comment
  UCD120795  Plagiobothrys collinus var. californicus Geoffrey Levin 1975-4-26 487 b Riverside Mayhew Canyon 1.5 mi. southeast of Glen Ivy on Highway 71. 335 Comment
  SD181656  Plagiobothrys collinus var. fulvescens Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mts. Near Bedford Canyon. 351 Comment
  RSA496130  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3009 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  UCR138141  Plagiobothrys tenellus D. L. Banks, V. W. Steinmann 1997-3-13 1447 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR281120  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 24 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
  RSA524609  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3932 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR102879  Plantago erecta A. C. Sanders 1997-3-26 20129 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR171968  Plantago erecta John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  RSA707978  Plantago lanceolata Scott D. White, Angelia Carey 2004-5-7 10340 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  POM4551  Plantago lanceolata Geo. R. Hall 1908-1 8485 Riverside Riverside Comment
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Feb 3 2011
  UCD124517  Plantago major E. W. Lathrop 1966-5-8 6414 Riverside Santa Ana Mountains. 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  SD122442  Plantago ovata Duffie Clemons, Erik Jonsson 1988-2-13 Riverside Ca. 3.0 miles north of I-10 along Washington St. southwest of Indio Hills, Coachella Valley. Comment
  UC2030075  Plantago ovata V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1097 Riverside Transverse Ranges, Little San Bernardino Mountains region: Mouth of West Wide Canyon, NNW of junction of Dillon Road and Ford Avenue. Comment
  UC450059  Plantago ovata Ivan Johnston Apr 4 1917-Apr 6 1917 1006 Riverside near Palm Springs; Colorado Desert 152 Comment
  UCR100875  Plantago ovata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2698 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR10198  Plantago ovata N. R. Zabriskie 1969-4-27 209 Riverside Sonoran (Colorado) Desert, Andreas Canyon near Palm Springs 457 Comment
  UCR75056  Plantago ovata A. C. Sanders, E. J. Lawlor 1992-4-4 12087 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JEPS3451  Plantago patagonica W. L. Jepson 1901-5-27 1467 Riverside Thomas Valley San Jacinto Mts. Comment
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Jun 18 2011
  SBBG113407  Platanus racemosa D. Wilken with E. Painter 2000-11-4 15871 Riverside Chino Cyn, near end of rd to Tramway base 900 Comment
  SD229212  Platanus racemosa Dick Schwenkmeyer 2012-10-16 935 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  CAS-BOT-BC91876  Platystemon californicus Cecil Hart 1922-5-21 2 Riverside San Jacinto Mountain. Comment
  UC167980  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder 1905-5-12 11 Riverside Wilders near Riverside; near Riverside Comment
  UC219193  Platystemon californicus P. A. Munz 1922-4-29 5078 Riverside 1/2 mi s Lake Elsinore (Southern California); s of Lake Elsinore 411 Comment
  UCR25367  Platystemon californicus John C. Roos 1952-4-13 5532 Riverside N side of the Box Springs Mountains 457 Comment
  UCR80733  Plectritis ciliosa subsp. insignis Steve Boyd 1992-4-18 6907 Riverside Gavilan Hills, SE end of range, east of Arroyo del Toro 488 Comment
  UC818430  Pleuraphis rigida Ivan Johnston Apr 4 1917-Apr 6 1917 1093 Riverside mouth of Andreas Canyon; Colorado Desert, mouth of Andreas Canyon 243 Comment
  JEPS18555  Pleurocoronis pluriseta W. L. Jepson 1927-4-12 11681 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  RSA0034642  Pleurocoronis pluriseta Scott D. White 2001-4-17 8334 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UC133465  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  UCR138822  Poa annua D. L. Banks 1997-2-23 1297 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  PASA1246  Poa bigelovii Frank W. Peirson 1921-3-22 Riverside Murray Canyon 457 Comment
  UC39553  Poa fendleriana subsp. longiligula H. M. Hall May 1899 1174 Riverside San Jacinto Mts 1524 Comment
  UCR23303  Poa secunda John C. Roos 1952-4-2 5453 Riverside Edgemont, near Box Springs 488 Comment
  RSA770438  Poa secunda subsp. secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4570 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR98118  Poa secunda subsp. secunda Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4023 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR138612  Polygala cornuta var. fishiae D. L. Banks 1996-11-7 1188 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  UCR189555  Polygala cornuta var. fishiae Diane Menuz 2007-8-2 334 Riverside Penninsilar Range- Santa Ana Mountains, Santa Margarita Ecological Reserve; along Temecula Canyon, c. 600 m from Santa Margarita River crossing 230 Comment
  POM2369  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR30596  Polygonum argyrocoleon John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  UCR119820  Polygonum aviculare Mitch Provance 1998-6-11 644 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  POM48565  Polygonum bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  UC6661  Polygonum bistortoides H. M. Hall 1901-7-5 2358 Riverside Tauquitz Valley San Jacinto Mts. (meadows and bogs) 2438 Comment
  RSA289825  Polygonum lapathifolium Barry A. Prigge 1980-9-17 4079 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  RSA495426  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2952 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UC1930144  Polypodium californicum Scott D. White 2003-3-21 8806 Riverside SANTA ROSA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  RSA612696  Polypogon maritimus D. L. Banks 1997-3-29 1602 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
  SBBG133354  Polypogon monspeliensis S. D. White 2004-4-26 10252 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Crk Watershed 518 Comment
  UCR202603  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA652880  Polypogon monspeliensis John Wallace, Steve McNabb 1991-5-4 3 Riverside Colorado River. Ca 2 mi S of Red Rooster Campground. Comment
  SEINET10767438  Populus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12842 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
  POM2086  Populus fremontii Marjorie Shaw 1916-5-28 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  JEPS64527  Populus fremontii subsp. fremontii S. B. Parish 1913-3-28 8471 Riverside Mecca Flats , Mecca Flats (Salton Basin) -60 Comment
  CLARK-A1528-2063  Porophyllum gracile John C. Roos 1946-11-30 3169 Riverside Chuckwalla Mountains Comment
  JEPS35438  Porophyllum gracile W. L. Jepson 1928-4-25 12586 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  RSA407723  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCR172250  Porophyllum gracile 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
  UCR60520  Porophyllum gracile Steve Boyd 1985-7-23 1044 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 3.5 mi west of the junction with Tenaja Trail Comment
  UCR119410  Portulaca oleracea Mitch Provance 1998-6-20 751 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
  RSA544379  Portulaca oleracea Steve Boyd, Timothy S. Ross 1991-6-14 6394 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA85564  Potamogeton pusillus F. W. Peirson 1922-5-21 4116 Riverside Thomas Ranch, Hemet Valley, San Jacinto Mtns. 1338 Comment
  RSA0005603  Potentilla acuminata H. M. Hall 1901-8-2 2605 Riverside Chino Creek below Round Valley, San Jacinto Mtns. Comment
  UC1746640  Potentilla norvegica T. Schram and D. Wappler 1994-7-14 Riverside Lake Hemet San Jacinto Mountains Comment
  UC170162  Proboscidea althaeifolia E. E. Schellenger 1894-8-20 110 Riverside Paloverde Colorado Desert Comment
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Jan 23 2012
  RSA0114927  Proboscidea louisianica Mitch Provance 2012-7-14 712 -24 Riverside San Gorgonio Pass: Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy 243. Just NW of confluence of Smith Creek and Montgomery Creek. 689 Comment
  SEINET11132263 Image available Prosopis glandulosa G. B. Grant 1906-5-1 1043 -6721 Riverside Colorado desert at Palm Springs, southern California Comment
  CAS-BOT-BC202361  Prosopis glandulosa var. torreyana A. C. Sanders; Tracy Tennant; Jeff Ross 1998-8-20 22223 Riverside San Bernardino Mtns.: Morongo Indian Reservoir, Lion Canyon 671 Comment
  SEINET7048066  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  CAS-BOT-BC216514  Prosopis pubescens Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  POM11503  Prunus emarginata Philip A. Munz 1922-7-6 6032 Riverside Between Tahquitz and Round Valleys. 2226 Comment
  UCR17466  Prunus fasciculata N. R. Zabriskie, W. W. Zabriskie 1971-4-9 386 Riverside Peninsular Range; Santa Rosa Mtns., Below level of road, 10 feet south of Hwy 74 between Sugar Loaf Cafe and entry gate to service road. Deep Canyon watershed, north slope of Mtns 1220 Comment
  CAS-BOT-BC151122  Prunus fremontii Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road, Andreas Canyon near Palm Springs 609 Comment
  RSA6730  Prunus fremontii B. D. Stark 1933-4-2 4535 Riverside Palm to Pines Road, Pinyon Flats. 1220 Comment
  RSA296119  Prunus ilicifolia Barry A. Prigge 1980-8-11 3894 Riverside Whitewater Canyon: 3.2 miles upstream from trout farm. 854 Comment
  RSA717590  Prunus ilicifolia A. C. Sanders 2004-5-12 27894 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA650387  Prunus ilicifolia C. J. Humphrey 1936-6-7 134 Riverside [No location information provided.] Comment
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Dec 15 2011
  LA208168  Prunus virginiana var. demissa C. Epling; William Robison 1935-6-30 Riverside N fork San Jacinto River Comment
  CAS-BOT-BC293743  Psathyrotes ramosissima Mona Bourell 1987-4-14 3273 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca 150 Comment
  HSC28422  Psathyrotes ramosissima Richard Spjut 1973-5-2 3340 Riverside Colorado Desert: ca. 5 mi. S of I-10 and ca. 8 mi. E of Desert Center on road to Corn Springs, Chuckawalla Mtns. 305 Comment
  UC74008  Psathyrotes ramosissima Dr. R. J. Smith 1904-5-18 325 Riverside desert near White Water Comment
  SD255106  Pseudognaphalium biolettii Duncan S. Bell 2015-9-30 8669 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR114838  Pseudognaphalium biolettii Mitch Provance 1998-2-13 10 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  SD129594  Pseudognaphalium californicum Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, 0.5 miles east of old San Jacinto Nuevo Y Potrero land grant 700 Comment
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Dec 21 2010
  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
  RSA596145  Pseudognaphalium luteoalbum D. L. Banks 1996-11-7 1193 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  RSA234029  Psilocarphus brevissimus R. F. Thorne, E. W. Lathrup 1969-5-19 37978 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  UCR280607  Psilocarphus brevissimus var. brevissimus R. E. Riefner Jr. 2017-4-2 17- 145 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  UCR18158  Psoralea californica A. C. Sanders 1978-4-30 00362 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  RSA403987  Psorothamnus emoryi Christopher Davidson 1979-4-29 7819 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  RSA403991  Psorothamnus emoryi F. A. Thackery 1928-4-24 3 a Riverside Edom. Comment
  RSA498335  Psorothamnus emoryi Elizabeth A. White 1928-04 s.n. Riverside Road to Mecca beyond Palm Springs. Comment
  UC555344  Psorothamnus emoryi Herbert L. Mason 1928-3-10 4195 Riverside White Water River Comment
  UCR104000  Psorothamnus emoryi George K. Helmkamp 1998-4-4 3138 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR177408  Psorothamnus emoryi John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  RSA0127784  Psorothamnus emoryi G. Rink 2013-3-29 11920 Riverside About ten miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. 110 Comment
  CAS-BOT-BC340890  Psorothamnus schottii W. R. Dudley 1903-12-25 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC340896  Psorothamnus schottii Carl B. Wolf 1932-4-27 3057 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  CAS-BOT-BC340898  Psorothamnus schottii Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Palm Springs Comment
  GMDRC4953  Psorothamnus schottii J. Andre 2011-2-9 15899 Riverside Mecca Hills; along Box Canyon Rd at upper end of gorge, approx. 6 mi. SSE of Jct with I-10, approximately 12 mi. west of Chiraco Summit 284 Comment
  SDSU5217  Psorothamnus schottii A. H. Gallup 1949-3-28 398 Riverside On Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], Pacific drainage area, San Jacinto Mt. Range 152 Comment
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Jan 30 2013
  UCR89647  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  UCR89662  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  POM27785  Psorothamnus spinosus Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCR16719  Pteridium aquilinum Dave Baasch 1972-5-11 720511- 01 Riverside San Jacinto Mtns, just above Lake Fulmor near Idyllwild 1646 Comment
  RSA6081  Pteridium aquilinum var. pubescens C. B. Wolf 1932-5-25 3664 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  UC6909  Pterostegia drymarioides H. M. Hall June, 1901 2080 Riverside s. slopes in vicinity of Chalk Hill; San Jacinto Mts. 1402 Comment
  UCR214131  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37735 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA449651  Purshia tridentata var. glandulosa N. R. Zabriskie, W. M. Zabriskie 1972-3-30 489 Riverside Carrizo Rd. (6S03) west of Sugarloaf Mtn., south of Hwy 72., Santa Rosa Mts. 1220 Comment
  UC21716  Pyrola picta H. M. Hall Jun 1901 Riverside in Canyons of the west side; dark Canyon Comment
  RSA0105055  Quercus Mitch Provance 2012-4-27 412 -34 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westwards Ave. 799 Comment
  UC5588  Quercus X morehus H. M. Hall Aug 1901 2643 Riverside vicinity Chalk Hill; San Jacinto Mts. 1402 Comment
  RSA38770  Quercus X munzii P. A. Munz 1947-8-21 12270 Riverside [No location information on label.] Comment
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Jul 24 2019
  RSA614235  Quercus agrifolia A. C. Sanders, G Helmkamp 1997-3-15 19979 Riverside Lake Skinner area, N foot of 1700 ft. hill E of Bachelor Mtn., 488 Comment
  SD257284  Quercus agrifolia Mitch Provance, Jeremiah George 2012-8-4 812 44 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Portrero 751 Comment
  RSA596183  Quercus agrifolia var. agrifolia D. L. Banks 1996-11-7 1209 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, 0.5 km W of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 427 Comment
  RSA709773  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31556 Riverside San Jacinto Mtns.: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  UCR158803  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31556 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR163407  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 05- 594 Riverside San Bernardino National Forest: San Jacinto Mountains, 0.7 miles west of Santa Rosa Mountain Rd on SR 74 near Vandeventer Flat 1369 Comment
  POM13780  Quercus berberidifolia P. A. Munz, I. M. Johnston 1922-5-5 5150 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  POM49869  Quercus berberidifolia P. A. Munz, I. M. Johnston 1924-7-29 8863 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA702555  Quercus berberidifolia Scott D. White 2004-10-8 10775 Riverside Black Hills,' southeast of Lake Skinner and north of Oak Mountain. 610 Comment
  UCD59759  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR158906  Quercus berberidifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31546 Riverside San Jacinto Mtns., Vandeventer Flat along Hwy 74, 1.2 mi. west of Santa Rosa Mtn. Rd., just west of entrance to Santa Rosa Indian Reservation 1402 Comment
  UCR18988  Quercus berberidifolia John C. Roos 1965-9-14 s.n. Riverside hills SW of Beaumont. Comment
  UCR250920  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 4 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR264620  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 32 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  OBI14295  Quercus chrysolepis H. E. McMinn 1925-7-2 1496 Riverside Tahquitz Peak Trail, San Jacinto Mts Comment
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Jun 21 2012
  UC5514  Quercus chrysolepis H. M. Hall Aug 1901 2541 a Riverside Canyon of the San Jacinto River San Jacinto Mountains 1219 Comment
  RSA495799  Quercus dumosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2908 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA697631  Quercus dumosa Unspecified 1928-12-4 394 Riverside 3/4 mi. West of Split Rock. Comment
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Oct 23 2011
  UCR189794  Quercus engelmannii Andrea Salzman, Joseph Gomez 2006-10-6 194 Riverside Peninsular Ranges, Santa Ana Mountains, Santa Margarita Ecological Reserve. 0.7 mi North of Santa Margarita Canyon 427 Comment
  CAS-BOT-BC105319  Quercus kelloggii Carl Epling 1931-10-4 245 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  POM122565  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR166153  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 561 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
  UCR262384  Quercus wislizeni Tom Scott 2011-1 2011- 567 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon, USFS Road 2S01, c. 1 mile north of locked gate at Bluff St. 1003 Comment
  UCR277496  Quercus wislizeni Mitch Provance 2010-7-6 610- 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 752 Comment
  RSA180443  Rafinesquia californica E. W. Lathrop 1965-5-9 5728 Riverside 6 miles W of Murrieta. Comment
  RSA543175  Rafinesquia californica Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6085 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
  UCD135331  Rafinesquia californica E. W. Lanthrop 1966-5-8 6405 Riverside Santa Ana Mountains. 3 miles southwest of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
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Aug 26 2014
  RSA472422  Rafinesquia neomexicana N. Cooper 1949-4-8 3281 Riverside Shavers Summit east of Indio 610 Comment
  UC963814  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside ca 5 mi nw Cottonwood Springs (Joshua Tree National Monument); Mojave Desert, , Smoke Tree Was 853 Comment
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Apr 23 2013
  UCR108453  Ranunculus aquatilis L. C. Wheeler 1961-6-24 7910 Riverside San Jacinto Mountains, Fulmor Lake Comment
  CLARK-A1528-785  Ranunculus cymbalaria subsp. saximontanus C. M. Flanagan 1973-5-20 OO 512 Riverside Morongo Indian Reservation 0 Comment
  JOTR33938  Rhamnus ilicifolia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2827 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCD112333  Rhamnus ilicifolia Ted C. MacRae 1995-5-25 41 e Riverside 2.4 miles NE of Pinyon Flats on Highway 74, Santa Rosa Mountains. 1219 Comment
  UCR133453  Rhamnus ilicifolia Tracy Tennant, J. S. Ross 1998-7-28 MOR- 669 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, upper Millard Cyn. (polygon M16) 1372 Comment
  RSA305624  Rhamnus tomentella subsp. cuspidata C. W. Tilforth, Walter Wisura 1979-10-11 1911 Riverside Along hiway 243 ca. 16 mi. south of Banning at turnoff to Bay Tree Flats Campground. 1524 Comment
  UC456171  Rhododendron occidentale I. J. Condit 1910-6-23 Riverside San Jacinto Mountains 2590 Comment
  POM12426  Rhododendron occidentale var. californicum P. A. Munz 1922-9-6 6383 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  JOTR32000  Rhus aromatica La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2230 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  RSA0120133  Rhus aromatica Duncan S. Bell, Thomas Stoughton 2016-4-13 9253 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  CLARK-A1528-5483  Rhus laurina John C. Roos 1954-7-10 6191 Riverside Box Springs Mountains 487 Comment
  UCR178836  Rhus ovata Tracy Tennant 1998-8-28 MOR- 710 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  UCR241208  Rhus ovata Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 04 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  RSA543125  Rhus trilobata Steve Boyd 1991-3-17 5473 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  CAS-BOT-BC92416  Ribes aureum var. gracillimum L. A. Greata 1908-4-6 6894 Riverside Eden Hot Springs 10 miles north of San Jacinto. Comment
  RSA725949  Ribes aureum var. gracillimum Mitch Provance 2001-3-3 3520 Riverside San Bernardino Valley: Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue. 274 Comment
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Mar 5 2010
  RSA717670  Ribes californicum A. C. Sanders 2004-2-6 27379 Riverside Foothills at edge of Temescal Valley, ridge proposed for removal at development called Trilogy at Glen Ivy, south of Brown Canyon. 427 Comment
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Jun 27 2010
  POM50270  Ribes cereum H. M. Hall 1901-07 s.n. Riverside In open forests of Tahquitz Valley. 2439 Comment
  UC455598  Ribes cereum I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 3200 Comment
  RSA439667  Ribes indecorum J. S. Stubblefield 1939-3-23 s.n. Riverside Temecula. Comment
  UCR101546  Ribes indecorum A. C. Sanders 1997-4-10 20327 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR102735  Ribes indecorum B. G. Pitzer 1998-1-25 3427 Riverside Lakeview Mtns, Pulsar View Road, c. 0.5-0.75 mile uphill from the water tank at base of hills on Warren Road; c. 1 mile (airline) north of Juniper Flat Road 610 Comment
  UCR138809  Ribes indecorum D. L. Banks, J. Moreno 1997-2-5 1253 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
  UCR51356  Ribes indecorum L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau. west of Murrieta. 610 Comment
  RSA0021662  Ribes malvaceum Justin M. Wood 2009-3-10 346 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  RSA535479  Ribes malvaceum var. viridifolium Tim S. Ross, Orlando Mistretta 1992-2-2 6657 Riverside Santa Ana Mts, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  SD216485  Ribes nevadense Jay B. Walker 1995-5-3 1410 Riverside San Bernardino National Forest, South of Pinyon Flat Campground, at terminus of USFS Road. 1900 Comment
  UC11633  Ribes nevadense H. M. Hall May 1899 Riverside Strawberry Valley San Jacinto Mountains Comment
  SEINET10815008  Ricinus communis David B. Dunn 1948-1-25 Dunn 3649 Riverside Found in ravine northeast of the top of the grade east of Riverside, CA about 5 miles out. Comment
  UCR110381  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR17072  Rorippa curvisiliqua James K. Ryan 1969-6-1 111 Riverside City of Riverside, University of California Riverside [UCR] campus, in front of Bachelor Hall 335 Comment
  UCR95251  Rorippa nasturtium-aquaticum D. L. Banks, E. H. Banks 1996-5-2 950 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  POM49849  Rosa californica Philip A. Munz, I. M. Johnston 1924-7-29 8882 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA450256  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  POM204505  Rumex acetosella M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  UCSB14952  Rumex californicus Breedlove, Dennis 1961-8-5 Riverside along Fuller Mill Creek; 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
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Nov 24 2014
  RSA191440  Rumex conglomeratus E. W. Lathrop 1967-9-26 6627 Riverside 6 miles NW of Murrieta. Comment
  RSA601678  Rumex obtusifolius Louis C. Wheeler 1933-8-5 2059 Riverside Millard's Canyon at foot of falls San Bernardino Mountains. 579 Comment
  RSA709233  Rumex salicifolius T. B. Salvato 2005-6-23 1296 Riverside Peninsular Range, Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of Hwy I-15. 412 Comment
  UCR90828  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  RSA737229  Salicornia virginica Justin M. Wood 2008-9-22 149 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  HSC93368  Salix exigua Scott D. White 1996-4-14 3927 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  POM319629  Salix exigua Patricia Wilder 1971-11-11 5294 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  JOTR35491  Salix exigua var. hindsiana La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3179 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UC494329  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  RSA615395  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. 445 Comment
  UC492428  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside 3 meters above mouth Diablo Canyon (near Clary's Coral Reef Ranch); Colorado Desert, foot of e slope Santa Rosa Mts. Comment
  CLARK-A1528-4054  Salix hindsiana var. leucodendroides John C. Roos 1937-5-23 617 Riverside Riverside Comment
  UC469392  Salix laevigata F. R. Fosberg 1930-3-9 S 1560 Riverside almost on San Bernardino Co. line Little San Bernardino Mts., Mission Creek Canyon 800 Comment
  UC717266  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  CAS-BOT-BC126320  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
  SEINET3866182  Salsola tragus D. Taylor 1952-11-11 348 Riverside Sycamore Canyon. Near Riverside.; 0 Comment
  RSA777155  Saltugilia australis Steve Boyd, Susan G Jett 2008-3-20 11835 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  RSA516420  Saltugilia caruifolia W. Wisura, Bart O'Brien, Tom Hayduck 1990-5-2 4425 Riverside Ortega Hwy. below switchbacks above Lake Elsinore, in burned areas. Comment
  RSA0123087  Salvia apiana Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8971 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
  RSA411316  Salvia apiana Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA0036087  Salvia apiana Norman C. Cooper 1944-5-19 1299 Riverside banning 701 Comment
  CLARK-A1528-3105  Salvia apiana var. compacta John C. Roos 1948-5-8 3824 Riverside Whitewater Comment
  POM13400  Salvia apiana var. compacta E. C. Jaeger 1922-8-22 1013 Riverside Long Valley to Palm Springs. 1524 Comment
  UCLA55169  Salvia apiana var. compacta C. Epling and L. Haines 1937-5-7 Riverside 1 mi below Shumway Rd.; Palms to Pines Highway Comment
  RSA12907  Salvia carduacea Carl B. Wolf 1935-4-7 s.n. Riverside 5 mi west of Val Verde in the Gavilan region. 457 Comment
  JOTR31858  Salvia columbariae La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2115 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA314624  Salvia columbariae Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55414 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA401486A  Salvia columbariae N. R. Zabriskie, Walter Zabriskie 1973-4-25 655 Riverside On slopes east of Hwy 74 opposite Black Hill; Deep Canyon drainage area, N slope Santa Rosa Mts. 915 Comment
  RSA651680  Salvia columbariae G. Foster 1961-5-12 s.n. Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  SFV4255B  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 Riverside Roadside 2 miles west of Anza on road from Anza to Highway 79. -15 Comment
  UCR124664  Salvia columbariae B. C. Templeton 1930-4-9 1048 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  UCR50919  Salvia columbariae A. C. Sanders 1988-5-11 7799 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA295248  Salvia eremostachya N. R. Zabriskie, Walter Zabriskie 1972-3-30 503 Riverside below Pinyon Crest in Chapman s Rancheros area toward Dos Palmas Spring; northwest of Hwy 74 in Santa Rosa Mts. 1098 Comment
  UCR20099  Salvia eremostachya Jeanine Derby 1976-4-28 s.n. Riverside Santa Rosa/San Jacinto Mountains, [near Dos Palmas Spring] 1159 Comment
  RSA543305  Salvia mellifera Steve Boyd 1991-3-17 5491 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA666647  Salvia mellifera A. C. Sanders, Kent Beaman 2002-5-10 25046 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCR213599  Salvia mellifera A. C. Sanders, Matthew Malle 2010-4-23 37987 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  CAS-BOT-BC233329  Salvia vaseyi Alice Eastwood 1913-4-30 3083 Riverside Palm Springs Comment
  CAS-BOT-BC233344  Salvia vaseyi Edmund C. Jaeger 1932-5-12 s.n. Riverside Dead Inidan Creek, west side of the Colorado Desert southwest of Indio Comment
  CDA40964  Salvia vaseyi T. C. Fuller 1963-4-23 10289 Riverside San Jacinto Mountains; Carrizo Canyon, Highway 74 to Pinyon Flat, south of Palm Desert. 0 Comment
  CHSC100669  Sambucus mexicana A. C. Sanders 2004-5-12 27884 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA483608  Sambucus mexicana D. Charlton 1988-5-21 1959 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  SDSU2939  Sambucus nigra subsp. caerulea Thomas A. Zink 1971-3-1 Riverside 200 yards south of Riverside Country Dump turnoff. 335 Comment
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Jun 8 2013
  RSA691959  Sanicula arguta Scott D. White, Michael Honer 2003-4-9 8978 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA85102  Sanicula bipinnatifida J. C. Roos 1952-4-29 5599 Riverside Reche Canyon 457 Comment
  RSA543951  Sanicula crassicaulis Steve Boyd, Orlando Mistretta 1991-5-9 6183 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  CLARK-A1528-1453  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Reche Canyon 761 Comment
  JEPS27446  Sarcostemma hirtellum E. E. Schellenger April 1920 Riverside Chuckwalla Mts. Colorado Desert, Chuckwalla Mts. Comment
  RSA784781  Schismus arabicus Duncan S. Bell 2012-3-18 3185 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR260162  Schismus arabicus Duncan S. Bell 2012-3-4 3134 Riverside Sonoran (Colorado) Desert, Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice 217 Comment
  RSA778255  Schismus barbatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 921 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UC1146064  Schismus barbatus C. L. Hitchcock, C. V. Muhlick 1964-3-17 29093 Riverside 3 mi se of Glen Ivy Hot Springs Comment
  UCSB466  Schismus barbatus Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  RSA388424  Schoenoplectus californicus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61188 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UC840545  Scirpus americanus Ivan Johnston 1917-4-4 Riverside along creek (Palm Canyon, Colorado Desert, Southern California); Colorado Desert, Palm Canyon 274 Comment
  UCR162627  Scirpus heterochaetus D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  POM10106  Scrophularia californica subsp. floribunda Charlotte M. Wilder 1904-4-30 139 Riverside West Riverside. Comment
  RSA388916  Scutellaria bolanderi subsp. austromontana T. S. Elias, Boyd, Tan 1986-7-23 10156 Riverside Santa Rosa Plateau: along Cole Creek. 610 Comment
  UCR35332  Scutellaria siphocampyloides L. B. Ziegler 1967-7-26 196 Riverside San Jacinto Mtns, Thomas Mountain 2058 Comment
  UCR269175  Sedum spathulifolium Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5011 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  CAS-BOT-BC69804  Selaginella bigelovii Milo S. Baker 1928-4-3 2787 b Riverside Palm Canyon. Comment
  RSA612910  Selaginella bigelovii Louis Cutter Wheeler 1931-10-2 177 Riverside Hemet-Idyllwild Road, San Jacinto Mountains 914 Comment
  UCR121307  Selaginella bigelovii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25016 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  SEINET10794286  Selaginella bigelovii George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -139 Riverside State Hwy 79, ca. 4 miles SE of Bee Canyon. T05S6 R02E S18 - NW4. 640 Comment
  SEINET7063442  Senecio A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  RSA500984  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3103 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  SEINET6659386  Senecio californicus R. L. Piemeisel 1914-2-23 3816 Riverside Crestmore field.; 0 Comment
  UCR34950  Senecio californicus L. B. Ziegler 1969-5-27 367 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  CAS-BOT-BC323964  Senecio flaccidus var. douglasii F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CAS-BOT-BC327420  Senecio flaccidus var. douglasii unspecified 1901-7-1 4443 Riverside Strawberry Valley Comment
  RSA335026  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Clinton Keith Road, 1.7 mi. E of gate to The Nature Conservancy Preserve. Comment
  RSA472948  Senecio flaccidus var. douglasii N. C. Cooper 1949-6-29 4361 Riverside East side of San Jacinto Mountains. 457 Comment
  RSA472991  Senecio flaccidus var. douglasii N. Cooper 1949-6-29 4282 Riverside Palms to Pines Highway, San Jacinto Mountain, below Pinon Flats. 1067 Comment
  CAS-BOT-BC364134  Senecio mohavensis Edmund C. Jaeger 1922-3-18 s.n. Riverside Painted Canon [Canyon]. Colorado [Colorado Desert] Comment
  HSC82753  Senecio mohavensis Christopher Davidson 1979-4-4 7728 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  UCR75060  Senecio mohavensis A. C. Sanders, E. J. Lawlor 1992-4-4 12125 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA614654  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  RSA673503  Senecio vulgaris Scott D. White, Sandy Leatherman 2000-4-19 7670 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  LA26722  Senna armata William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  CAS-BOT-BC438210  Sesuvium verrucosum B. Trowbridge 1979-4-16 6093 Riverside Whitewater River near mouth, south of Mecca. Below Sea Level. Comment
  UCR125469  Sesuvium verrucosum A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25687 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  UCR125277  Setaria adhaerens A. C. Sanders 2002-11-21 25636 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR207646  Setaria viridis O. F. Clarke 2003-9-29 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR Campus 335 Comment
  UCR112824  Sidalcea malviflora A. C. Sanders 1997-5-1 20611 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  POM220874  Sidalcea malviflora subsp. sparsifolia P. A. Munz 1941-5-18 16656 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  UC1013132  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19559 Riverside about 4 mi s Hemet Reservoir (Pines-to-Palms Highway); s of Hemet Reservoir, Pines-to-Palms Highway Comment
  UCR239203  Sidalcea malviflora subsp. sparsifolia Steven R. Hill, A. C. Sanders 2001-5-4 33717 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  CAS-BOT-BC109431  Sidotheca caryophylloides Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild. Comment
  CAS-BOT-BC109420  Sidotheca emarginata Louis B. Ziegler 1964-8-1 s.n. Riverside Road above Kenworthy Ranger Station, Garner Valley, San Jacinto Mountains. 1463 Comment
  CAS-BOT-BC109426  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  SEINET4176379  Sidotheca emarginata J. L. Reveal, B. J. Ertter 1976-6-30 4570 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4.6 miles south of California Highway 74 1829 Comment
  UCR20803  Silene antirrhina A. C. Sanders 1980-5-14 01457 Riverside N side of Agua Tibia Mountains; Cleveland Nat. Forest., Dripping Springs 610 Comment
  RSA586929  Silene gallica D. L. Banks, Steve Boyd 1995-5-3 0295 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
  RSA708076  Silene gallica Scott D. White, Angelia Carey 2004-4-16 10188 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  POM17945  Silene laciniata subsp. major P. A. Munz 1923-6-14 7117 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  RSA263644  Silene lemmonii E. W. Lathrop 1966-5-29 6391 Riverside Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak. 1220 Comment
  SBBG101641  Silene multinervia S. Boyd, T. Ross 1990-5-11 4628 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs Cmpgrd, S of Hwy 79 548 Comment
  RSA575854  Silybum marianum Steve Boyd 1980-4-23 s.n. Riverside Glen Avon, ruderal field at Jurupa Road and Galena Avenue Comment
  CAS-BOT-BC202939  Simmondsia chinensis Ivan Johnston 1917-4-4 1081 Riverside Palm Canyon 365 Comment
  RSA164884  Simmondsia chinensis Peter Gail 1963-3-29 124 Riverside Eagle Mts, 2 mi. off road to Metropolitan Water pump station, on side of wash. 610 Comment
  SEINET6418759 Image available Simmondsia chinensis Franklin C. Raney 1959-1 59 -8 Riverside Wesrt side of Statea Hwy. 79, 13.1 miles south of Hemet Comment
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Oct 31 2015
  SEINET7073430  Simmondsia chinensis A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  RSA691060  Sinapis arvensis Scott D. White, Michael Honer 2003-4-9 8976 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  RSA613466  Sisymbrium orientale D. L. Banks, Victor Steinmann 1997-3-13 1455 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA752788  Sisymbrium orientale Scott D. White, Justin M. Wood 2009-5-21 12851 Riverside San Jacinto Mts: Idyllwild, Mile High Country Inn at 54635 N Circle Dr. 1677 Comment
  UCR232037  Sisymbrium orientale John F. Green 2008-4-24 10- 04 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Eugene St. 506 Comment
  UCR92164  Sisymbrium orientale D. L. Banks 1995-5-3 228 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCD126937  Solanum douglasii Gordon Pilone 1961-3-1 94 Riverside White Water Canyon, 1/2 mile below Fish Hatchery. San Bernardino Mountain Range. Salton Sea Drainage Area. 457 Comment
  CAS-BOT-BC157241  Solanum umbelliferum S. Boyd; T. S. Ross; L. Arnseth 1990-3-30 3956 Riverside Vail Lake area, at S end of Black Hills S of 'Big' Oak Mtn. 731 Comment
  RSA0020566  Solanum umbelliferum LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6163 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA427330  Solanum umbelliferum N. C. Cooper 1944-4-21 1140 Riverside Banning. 701 Comment
  RSA60834  Solanum umbelliferum Frank W. Gould 1944-4-4 2215 Riverside 9 miles southeast of Temecula on highway 71 Comment
  UCR43474  Solanum umbelliferum R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60627 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  NY820479  Solanum xanti C. B. Wolf 1936-6-17 7953 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 366 Comment
  RSA0121459  Sonchus asper Duncan S. Bell, LeRoy Gross 2016-3-30 9139 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
  RSA678347  Sonchus oleraceus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10459 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
  UCR92614  Sonchus oleraceus Scott D. White 1994-3-29 1937 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR9366  Sorghum bicolor Frank C. Vasek 1967-9-8 s.n. Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court Comment
  RSA0098496  Spergularia marina Scott D. White 2001-5-1 8442 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR76175  Spergularia platensis A. C. Sanders 1993-4-5 13682 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
  HSC25926  Sphaeralcea ambigua R. W. Spjut 1972-1-20 2125 Riverside Colorado Desert, N base of the Chuckawalla Mtns. 305 Comment
  RSA0042374  Sphaeralcea ambigua Duncan S. Bell, LeRoy Gross 2014-3-20 6284 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SD236334  Sphaeralcea ambigua A. C. Sanders, E. J. Lawlor 1992-4-4 12151 Riverside Sonoran (Colorado) Desert: McCoy Mtns, within 0.5 mi of McCoy Spring 244 Comment
  RSA0056397  Sphaeralcea ambigua James R. Shevock 1972-3-13 1404 Riverside Palm Springs, Hwy. 111. 182 Comment
  RSA445075  Sphaeralcea ambigua subsp. ambigua I. M. Johnston 1917-4-4 13808 Riverside Andreas Canyon 274 Comment
  RSA445025  Sphaeralcea ambigua subsp. rosacea N. C. Cooper 1949-6-29 4292 Riverside East side of San Jacinto Mountains. 1524 Comment
  RSA119945  Sphaeralcea ambigua var. rugosa T. W. Minthorn 1958-05 s.n. Riverside Dry rocky slopes between Temecula and Radec. Comment
  UC17632  Sphaeralcea ambigua var. rugosa H. M. Hall 1897-5-12 529 Riverside Valle Vista Comment
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Mar 27 2011
  UCR265193  Sphaeralcea angustifolia David Fraker, Aaron C. Sedgwick 2012-4-5 73 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  POM229009  Sporobolus airoides P. A. Munz 1937-5-30 15131 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  UC218111  Stachys ajugoides var. rigida P. A. Munz 1922-6-30 6344 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCLA70905  Stachys ajugoides var. rigida Carl Epling, Louis Wheeler Oct 3 1931-Oct 4 1931 Riverside Strawberry Valley San Jacinto Mts. 1615 Comment
  JEPS53898  Stanleya pinnata Marjorie D. Clary 1932-5-25 1491 Riverside Hexie Mountain Colorado Desert, , Hexie Mt (Pleasant Valley) 1066 Comment
  UCR135808  Stellaria media A. C. Sanders, Guy Bruyea 2004-4-2 27441 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR16180  Stellaria media D. C. Wald 1967-5-7 s.n. Riverside Box Springs Mnts, base of western slope. 366 Comment
  POM9919  Stemodia durantifolia F. W. Peirson 1920-12-28 s.n. Riverside Murray Canyon near Palm Springs Comment
  SD227765  Stephanomeria exigua Scott D. White, Sandy Leatherman 1998-4-15 6296 Riverside Coachella Valley. La Quinta / Palm Desert Area; Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes N of Miles Ave. and W of Washington St. 29 Comment
  UCR41400  Stephanomeria exigua N. M. Fellows, A. C. Sanders 1985-5-7 164 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR262452  Stephanomeria exigua subsp. deanei John F. Green 2015-6-23 615- 06 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  JOTR32044  Stephanomeria exigua subsp. exigua La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2273 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  CAS-BOT-BC322853  Stephanomeria pauciflora Marcus E. Jones 1906-4-30 s.n. Riverside Indio, Colorado Desert Comment
  UCR89681  Stephanomeria pauciflora Bern Schwenn 1994-5-7 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument: Eagle Mtns, along Black Eagle Mine Road between Monment boundary and Mission Sweet Mine 650 Comment
  UC35812  Stephanomeria virgata subsp. pleurocarpa H. M. Hall Aug 1901 2587 Riverside s side San Jacinto Mountains 1645 Comment
  UCR107714  Stillingia linearifolia A. C. Sanders 1997-3-1 19747 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  CLARK-A1703-61  Stillingia spinulosa R. B. Richter 1958-3-9 Riverside Whitewater 304 Comment
  RSA457880  Stillingia spinulosa T. W. Minthorn 1926-05 s.n. Riverside Indio Comment
  UCR213542  Stipa lepida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37827 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR270759  Stipa lepida T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8353 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
  UCR2805  Stipa lepida F. M. Reed 1927-5-20 5480 Riverside roadside at Murrieta 348 Comment
  CAS-BOT-BC61004  Streptanthella longirostris S. B. Parish 1913-2-28 8473 Riverside Mecca, Salton Sink. -60 Comment
  RSA531092  Streptanthus campestris R. S. Woglum 1941-6-12 3064 Riverside Idyllwild Comment
  UC64619  Streptanthus campestris H. M. Hall May 17 1901-Jun 1 1901 1900 Riverside Coyote Canyon El Toro Mt. Comment
  RSA543789  Stylocline gnaphaloides Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6046 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
  RSA586501  Stylocline gnaphaloides D. L. Banks, S. D. Boyd 1995-5-9 0332 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
  SD130371  Stylocline micropoides Jon M. Stewart 1988-3-21 622 Riverside Corn Spring Canyon 2.0 miles west of Aztec Well. Comment
  UCR266334  Suaeda nigra D. E. Bramlet 1992-5-28 2294 A Riverside Perris-Aguanga Basin region, west of Hemet, south of Florida Ave. and EMWD canal 457 Comment
  SEINET3101939  Swertia parryi Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17361 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  CAS-BOT-BC245743  Symphoricarpos rotundifolius Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  CAS-BOT-BC99402  Symphyotrichum subulatum var. parviflorum Scott D. White; Steve Ogg 1994-10-17 2484 Riverside Temecula Valley. City of Temecula, Murrieta Ck channel 1000 ft N of bridge at Rancho Calif. Ave., 305 Comment
  RSA0036500  Symphyotrichum subulatum var. parviflorum LeRoy Gross, Loraine Washburn 2014-9-25 6703 Riverside Off the peninsula of Vail Lake, southwest side of lake. 433 Comment
  UCR34946  Syntrichopappus lemmonii L. B. Ziegler 1968-4-20 332 Riverside San Jacinto Mtns, Hemet Valley; from edge of Quinn Flats 1372 Comment
  UCR198523  Tamarix A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24983 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR155170  Tamarix ramosissima A. C. Sanders 2005-5-4 29844 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR89868  Tamarix ramosissima George K. Helmkamp 1994-3-10 43- 01 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
  UC21445  Tauschia parishii H. M. Hall June, 1901 2220 Riverside Onstatt's Valley; San Jacinto Mountains, Onstatt's Valley 1981 Comment
  JOTR31815  Tetracoccus hallii La Doux, Tasha, Bill Truesdell 2007-11-9 2522 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  RSA796273  Tetracoccus hallii J. Andre 2012-4-11 20793 Riverside Joshua Tree National Park; NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7 miles east of road to Cottonwood Spring (Utah Trail), 34 miles south of Highway 62 at 29 Palms. 730 Comment
  UCR279524  Tetracoccus hallii A. C. Sanders, Jim Malusa 2017-3-24 42974 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  CAS-BOT-BC340044  Tetradymia comosa J. T. Howell 1928-7-9 1062 Riverside Temescal Canon [Canyon], 6 mi. s. of Glen Ivy 335 Comment
  UCR34944  Tetradymia comosa L. B. Ziegler 1964-8-10 007 Riverside San Jacinto Mtns, Garner Valley 1375 Comment
  CAS-BOT-BC181005  Thamnosma montana C. G. Pringle 1882-3-25 s.n. Riverside White Water Canyon Comment
  CLARK-A1528-3969  Thamnosma montana John C. Roos 1937-4-23 806 Riverside Whitewater Comment
  HSC83071  Thamnosma montana A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6132 Riverside N foot of the Chuckwalla Mtns., 2.75 mi. SE of Desert Center 367 Comment
  JOTR16842  Thamnosma montana Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. UPPER WILSON CANYON 914 Comment
  UC1130460  Thamnosma montana H. S. Yates 1936-4-7 5421 Riverside near Whitewater 304 Comment
  CAS-BOT-BC67097  Thysanocarpus laciniatus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4034 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFWS Dripping Springs Guard Station. 609 Comment
  RSA428326  Thysanocarpus laciniatus Thekla Mohr 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
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Oct 2 2011
  JOTR37433  Tiquilia canescens var. canescens Hodges, Stephen R., T. Hender 2015-12-29 555 Riverside Joshua Tree National Park. Eagle Mountains, wide bowl type formation between the top of Dragon Wash and Difficult Canyon (Stop 3) Comment
  RSA151870  Tiquilia palmeri Reino Alava 1958-3-3 1831 Riverside Sandy place along Hwy 95, in flood plain of Colorado River, 27 miles S of Vidal, NE of the Big Maria Mts. 98 Comment
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Mar 28 2014
  SEINET3152972  Tiquilia palmeri G. B. Grant 1906-5-1 197 -A Riverside Collected on Colorado desert at Palm Springs, southern California Comment
  UC61546  Tiquilia plicata Miss Mary McKibben 1904-4-6 Riverside Mecca Colorado Desert, Mecca -60 Comment
  UCR265194  Tiquilia plicata David Fraker, Aaron C. Sedgwick 2012-5-8 92 Riverside Sonoran (Colorado) Desert, north of Hwy 111 in sandy wash south of the railroad tracks 334 Comment
  UCR17126  Toxicodendron diversilobum K. Stolte 1978-4-21 s.n. Riverside Riverside, l mi. south of jct of Hwy 60 & Central Ave. Comment
  POM248393  Trianthema portulacastrum E. Harvey 1939-07 s.n. Riverside irrigated soil, Indio. Comment
  UCR170130  Tribulus terrestris Jeffrey Ross 1998-6-4 148 Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  RSA0088338  Trichoptilium incisum H. J. Andrews 1939-10-22 s.n. Riverside Pinto Basin. Comment
  RSA444321  Trichoptilium incisum Walter Wisura 1988-3-1 4190 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  SD45169  Trichoptilium incisum Helen K. Sharsmith 1952-4-11 4066 Riverside Northwest base of Chuckawalla Mountains, 7 miles south of Highway 60/70 530 Comment
  UCD136903  Trichoptilium incisum C. L. Hitchcock 1966-3-16 24213 Riverside along Palms to Pines Highway, 4 miles south of Palm Desert. Comment
  UCD136904  Trichoptilium incisum Geoffrey Levin 1976-10-17 1182 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  RSA94615  Trichoptilium incisum F. W. Peirson 1919-4-1 1408 Riverside Palm Springs. Comment
  UCR35337  Trichostema austromontanum L. B. Ziegler 1967-8-9 226 Riverside Peninsular Range; San Jacinto Mtns., upper Herkey Creek 1555 Comment
  CAS-BOT-BC221005  Trichostema austromontanum subsp. austromontanum Harvey M. Hall 1896-9-1 339 Riverside San Jacinto Mt 1828 Comment
  UCLA54143  Trichostema austromontanum subsp. austromontanum H. Lewis 1941-7-30 1479 Riverside Lake Hemet; ; Lake Hemit, Riverside Co. Comment
  UCLA54144  Trichostema austromontanum subsp. austromontanum H. Lewis 1941-7-30 1479 Riverside Lake Hemet; ; Lake Hemit, Riverside Co. Comment
  RSA709801  Trichostema lanceolatum A. C. Sanders 2004-6-30 28389 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  RSA736725  Trichostema lanceolatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10693 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  CAS-BOT-BC214367  Trichostema parishii Victor Duran 1933-7-1 3493 Riverside Near Santa Rosa, Santa Rosa Mts. 1828 Comment
  RSA0043040  Tridens muticus Duncan S. Bell, Evan Meyer 2014-4-2 6528 Riverside Chuckwalla Mountains; approx. 0.75 air mile southeast of Aztec Well. 703 Comment
  RSA735849  Trifolium albopurpureum var. albopurpureum Scott D. White, Justin M. Wood 2008-4-3 11797 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UCR140449  Trifolium gracilentum A. C. Sanders, Guy Bruyea 2004-4-2 27422 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA561105  Trifolium obtusiflorum Steve D. Boyd, David E. Bramlet, T. S. Ross 1993-5-12 7328 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA192116  Trifolium variegatum E. W. Lathrop 1959-4-16 4448 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  RSA659788  Trifolium variegatum J. C. Roos 1952-5-26 5714 Riverside Hass' Ranch. Reche Canyon. 457 Comment
  UCR193290  Trifolium variegatum A. C. Sanders, Tim Thomas 2008-6-20 35539 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR201708  Trifolium variegatum Scott D. White, Justin M. Wood 2008-5-15 11994 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA586112  Trifolium willdenovii D. L. Banks, S. D. Boyd 1995-4-5 0152 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. 549 Comment
  SBBG101733  Trifolium willdenovii S. Boyd 1991-5-10 6222 Riverside Temescal Cyn, terrace escarpment just SE of Indian Truck Trail offramp of I-15, S of DePalma Rd 411 Comment
  POM157907  Triodanis biflora P. A. Munz 1927-5-20 10812 Riverside 10 miles S. of Hemet. Comment
  UCR79489  Triodanis biflora Steve Boyd, T. S. Ross 1992-6-10 7631 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  SBBG59417  Trisetum spicatum R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2590 Comment
  SD260015  Trixis californica var. californica J. M. Andre 2012-4-11 20774 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 Jonejo Well 7.5'Q 729 Comment
  POM226888  Tropidocarpum gracile L. R. Abrams 1935-4-7 13666 Riverside 2 mile SW of Perris. Comment
  RSA0023465  Tropidocarpum gracile Scott D. White, Michael Honer 2004-3-11 9895 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR250310  Tropidocarpum gracile A. C. Sanders 2014-4-8 40974 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
  UC284859  Turricula parryi P. A. Munz 1923-6-14 7061 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 1219 Comment
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Apr 1 2013
  UCR21847  Typha latifolia Steve Boyd 1980-7-16 s.n. Riverside 2.5 mi NW of Perris. Motte Reserve, 0.2 mi south of the Secretary's House 518 Comment
  CSUSB270  Urtica holosericea Rand Ch. Isbell 1970-5-22 8 Riverside In canyon at Watkins Drive and State Highway 395, within 75 feet of flowing water. 320 Comment
  POM49857  Veratrum californicum Philip A. Munz, I. M. Johnston 1924-7-27 8766 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  UCR35310  Verbena bracteata L. B. Ziegler 1971-9-8 426 Riverside San Jacinto Mtns., Hemet Lake 1341 Comment
  RSA736653  Veronica anagallis-aquatica Justin M. Wood 2008-7-16 33 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  SEINET1004494  Veronica anagallis-aquatica T. B. Salvato, Kent Beaman 2005-1 848 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  UCR228816  Veronica peregrina subsp. xalapensis A. C. Sanders, T. B. Salvato 2011-4-1 38937 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
  UCR67331  Veronica peregrina subsp. xalapensis A. C. Sanders, E. Rey, D. Willick 1991-4-19 10923 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR121336  Vicia villosa A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25035 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA754253  Vicia villosa subsp. varia Robert F. Thorne, Walter Wisura, David Michener 1982-5-24 55193 Riverside Santa Ana Mts., Cleveland National Forest: Along Ortega Hwy. 732 Comment
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Apr 27 2011
  CDA8975  Viguiera parishii G. D. Barbe, J. L. Johnson 1982-11-2 4024 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  RSA0041963  Viguiera parishii Duncan S. Bell, Loraine Washburn 2014-4-8 s.n. Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UC708733  Viguiera parishii H. K. Wagnon 1944-5-25 390 Riverside along trail s side Tahquitz Canyon (Palm Springs); , s side Tahquitz Canyon Comment
  RSA33459  Viola pedunculata N. C. Cooper 1944-4-22 1150 Riverside Banning. 762 Comment
  RSA161277  Viola purpurea subsp. quercetorum Peter H. Raven 1962-5-18 17757 Riverside Junction [of] Main Divide Truck Trail with Ortega Highway, Santa Ana Mountains. 701 Comment
  RSA0121750  Vitis girdiana A. C. Sanders, E. J. Lawlor 1988-10-22 8725 Riverside Pinyon Flats area, Santa Rosa Mtns, along Horsethief Creek where the trail from the Dolomite Mine crosses. 1100 Comment
  RSA771668  Vulpia bromoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4903 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
  SACT002526  Vulpia microstachys Philip Munz 1927-5-20 Riverside Grassy open flat. Comment
  RSA500983  Vulpia microstachys var. pauciflora Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3012 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  RSA715756  Vulpia myuros A. C. Sanders 2005-4-22 29612 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UC495200  Vulpia myuros var. hirsuta Philip A. Munz 1932-3-24 12020 Riverside n of Elsinore 304 Comment
  CAS-BOT-BC77878  Woodwardia fimbriata Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-13 338 Riverside Andreas Canyon, east slope San Jacinto Mountains 304 Comment
  CAS-BOT-BC136318  Xanthium strumarium S. B. Parish 1913-9-20 8610 Riverside Mecca, Salton Sink -57 Comment
  LA203797  Xylorhiza cognata Flora Murray Scott; 1928-3-24 sn Riverside Painted Canyon Comment
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Jun 14 2013
  SEINET4691943  Xylorhiza cognata Duncan S. Bell 2012-1 3083 Riverside Mecca Hills: approx. 1.25 air miles north of Box Canyon Road and approx 4 air miles southwest of Shavers Well 256 Comment
  POM36114  Xylorhiza tortifolia H. M. Hall 1905-4-23 5868 Riverside Near Salvation Spring, Chuckawalla Mts [Salvation Well, Chocolate Mts., ENE of Niland in Salvation Pass near Pegleg Well] Comment
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Nov 20 2011
  JEPS46498  Yucca baccata Jepson and Hall 1901-1 Riverside Palm Canyon Mt. San Jacinto Comment
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Nov 19 2010
  CHSC2044  Yucca schidigera D. Smith 1935-4-15 Riverside San Jacinto mountains. Comment
  IRVC3992  Yucca schidigera W. A. Niering 1963-6-7 SJ 294 Riverside Palms to Pines Highway; open E slopw-22 degrees; gabbro serp soils. Peninsular Ranges, Santa Rosa Mountains 945 Comment
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Jun 8 2013
  RSA605235  Yucca schidigera A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16124 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River Wash between Windy Point & Hwy I-10. 370 Comment
  UC1009209  Yucca whipplei J. M. Webber 1948-5-5 433 Riverside Grant School Grounds Comment
  UCR88434  Yucca whipplei A. C. Sanders, K. C. Rose 1995-4-5 16352 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA592023  Zannichellia palustris E. W. Lathrop 1968-5-15 6882 Riverside 8 miles W of Murrieta; Reedonda Mesa, Santa Rosa Plateau 610 Comment
  UCR60789  Zigadenus fremontii Steve Boyd 1986-3-1 1374 Riverside Peninsular Range; Gavilan Hills, Gavilan Plateau, Ida-Leona Road west of Piedras Road [south side of Harford Springs County Park] 625 Comment
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May 31 2011
  RSA612702  Zigadenus venenosus var. venenosus Darin L. Banks 1997-3-29 1596 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



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