Search Results — 2000 specimen records retrieved (1893 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR67715  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 05 Riverside Santa Rosa Mtns, N of Toro Peak at Virgin Spring 2348 Comment
  CAS-BOT-BC229322  Abronia villosa Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  CSUSB1084  Abronia villosa unknown 1968-5-4 680504 12 Riverside San Jacinto Mountains 4 miles west of Mountain Center on Highway 74 on right side of road. San Jacinto Mountains 853 Comment
Read comments
Mar 21 2014
  SBBG69828  Abronia villosa M. N. Ackley 1929-5-19 687 Riverside Hemet 484 Comment
  SEINET3133843  Abronia villosa T. Reeves, D. J. Pinkava 1974-3-19 11751 Riverside Rte I-10 frontage rd at Indian Wells Washington St., 6 mi E of Thousand Palms Comment
  UCD109811  Abronia villosa Robert C. Bechtel 1952-3-28 33 Riverside Whitewater. 152 Comment
  SEINET11941850  Abronia villosa E. A. Purer 1935-1 6453 Riverside Near Palm Springs, W edge of Colorado Desert Comment
  UC7624  Abronia villosa var. aurita Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  RSA779201  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  UCR216206  Abronia villosa var. villosa Jim Andre, T. La Doux 2009-2-25 10833 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR251579  Abronia villosa var. villosa Jim Andre 2013-3-27 24840 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCR196003  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  RSA6009  Achillea millefolium Carl B. Wolf 1932-8-4 3926 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA761867  Achillea millefolium Peter Guiden, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 82 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET4692071 Image available Achnatherum coronatum Barry A. Prigge 1980-1 3830 Riverside San Bernardino Mountains, Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  POM46953  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs. 137 Comment
  RSA359521  Achyrachaena mollis Steve Boyd 1986-3-9 1382 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain 427 Comment
  RSA574727  Achyrachaena mollis Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  CLARK-A1528-385  Achyronychia cooperi Charlotte Stocks 1963-3-31 Riverside Coachella Comment
  UCR85253  Achyronychia cooperi A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16187 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SD185215  Acmispon argophyllus T. B. Salvato, John F. Green 2004-5-27 632 Riverside Head of Banning Canyon close to the San Bernardino Co. line, 0.5 mile southeast of Oak Gklen Conservation Camp. 1402 Comment
  LA48110  Acmispon argophyllus var. argophyllus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SBBG56033  Acmispon argophyllus var. argophyllus B. Gustafson 1977-4-7 5586 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  CAS-BOT-BC204875  Acmispon argyraeus var. argyraeus H. M. Hall 1901-6-1 2140 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1524 Comment
  CAS-BOT-BC204876  Acmispon argyraeus var. argyraeus Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  SD130259  Acmispon glaber Ed LaRue 1990-4-13 Riverside I(c) mi NW of town of Aguanga, N of Hwy 79 & W of Hwy 371; ca. 1I(c) mi (airline) N of San Diego Co. line. 640 Comment
  SD133087  Acmispon strigosus Scott White 1991-5-10 91 144 Riverside Hwy 79 immediately west of US Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  UCR202421  Acourtia microcephala Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  SBBG87812  Adenophyllum porophylloides A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6140 Riverside N foot of the Chuckwalla Mtns, 2.75 mi airline SE of Desert Center 365 Comment
  SD229251  Adenostoma fasciculatum Dick Schwenkmeyer 2012-8-6 764 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  SEINET5537633  Adenostoma fasciculatum R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  UCR174151  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32526 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
  SDSU13509  Adenostoma fasciculatum var. fasciculatum W. Miller with C. Mosse 1972-7-20 Riverside West edge of aqueduct clearing overlooking view (S. gate). Comment
  CAS-BOT-BC139871  Adenostoma sparsifolium Louis C. Wheeler 1941-10-4 175 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  UC914096  Adiantum capillus-veneris Rateaver 1944-1-12 17 Riverside Fern Canyon Palm Springs Comment
  RSA585792  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-5-9 419 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  SEINET10534193  Agave deserti A. K. Evans 1976-4-13 Evans 5135 Riverside Rocky slopes of Santa Rosa mountains. Comment
  UC36983  Agrostis idahoensis H. M. Hall 1901-7 2476 Riverside shores Lake Surprise; San Jacinto Mountains, shores Lake Surprise 2499 Comment
  UCR2134  Agrostis viridis F. M. Reed 1906-5-26 959 Riverside Riverside. Wastewater ditch on Blaine Street Comment
  UCR220306  Albizia julibrissin Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  RSA532580  Alchemilla occidentalis D. E. Bramlet 1991-5-1 2108 Riverside Shipley Reserve. Found in a small valley some 2 km. south of Crown Valley and 1.3 km. east of Rawson Canyon. The site is some 167 m. southeast of knoll 2283 ft. 707 Comment
  JOTR36460  Aliciella latifolia subsp. latifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3430 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UC421609  Allenrolfea occidentalis John Thomas Howell 1928-11-4 4081 Riverside 3 mi. n.w. of Mecca (on rd. to Indio); Coachella Valley Comment
  UCR169942  Allionia incarnata Scott D. White, Jennifer H. Jones 2005-4-21 10942 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  CLARK-A1528-2791  Allium fimbriatum John C. Roos 1941-5-10 129 Riverside Santa Rosa Mountains Comment
  UCR60495  Allium fimbriatum var. fimbriatum A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6461 Riverside Santa Rosa Mtns., Pinyon Flats, 0.1 mi. south of Hwy 74 on the road to the refuse transfer station and the dolomite mine, south of the campground 1225 Comment
  UCR9390  Allium fimbriatum var. fimbriatum D. H. Wilken 1966-3-26 769 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., East ridge along Whitewater Canyon 610 Comment
  RSA574728  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Gavilan Hills region, Estelle Mountain, near summit. 823 Comment
  RSA770516  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 012 Riverside East of Elsinore Peak, on clay hill. Comment
  CAS-BOT-BC475411  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  RSA770553  Allium praecox S. Mashayekhi, M. Biabani 2008-4-6 SM 009 Riverside South of Harford Spring Co. Park, south of Idaleona Rd., north of hill in canyon. 606 Comment
  UCR90834  Allium roseum Steve Morgan 1995-4-17 s.n. Riverside UC Riverside Botanic Garden. Comment
  CAS-BOT-BC170132  Alnus rhombifolia Carl B. Wolf 1932-5-24 3649 Riverside N base of San jacinto Mts., Snow Creek Canyon, 1/2 mi below Fish Hatchery 548 Comment
  CLARK-A1528-2278  Alnus rhombifolia John C. Roos 1948-5-8 3828 Riverside Whitewater 518 Comment
  UCR95252  Aloe saponaria D. L. Banks, E. H. Banks 1996-5-2 952 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
  GMDRC3497  Aloysia wrightii J. Andre, T. La Doux 2008-9-16 10685 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along Bell Mtn Rd, atop Bell Mtn appox 0.3 mi. N. of radio tower. Queen Mountain USGS 7.5 min quad 34 deg. .35' N 116 deg. .017' W. Elev. 4458 ft. 1359 Comment
  CLARK-A1528-108  Amaranthus albus John C. Roos 1951-9-25 5267 Riverside Riverside 259 Comment
  RSA763307  Amaranthus albus Scott D. White, Angelia Carey 2004-6-4 10476 -B Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  SD236156  Amaranthus albus A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23172 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
  UCR110393  Amaranthus albus A. C. Sanders, Mitch Provance 1999-9-26 23079 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR92271  Amaranthus albus Scott D. White 1995-8-23 3564 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR199723  Amaranthus blitoides Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10669 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR135822  Amaranthus blitum A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27962 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thermal, Hwy 111 at Oasis Date Gardens, 0.5 mi. south of Ave. 58 -43 Comment
  UCR272486  Amaranthus deflexus Mitch Provance 2013-6-16 613- 18 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA652939  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside: Hillside area, along the S side of Dewey St., between Streeter Ave. and Palm Ave. 237 Comment
  SD187323  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside San Jacinto Mountain foothills: Roadside, intersection of Soboba Road and Castile Canyon Road. 509 Comment
  RSA416903  Ambrosia acanthicarpa H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
Read comments
Nov 2 2011
  UCR146497  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-9-16 10752 Riverside San Jacinto Mountains foothills, Along Poppet Creek NE of San Jacinto River 610 Comment
  UCSB14593  Ambrosia acanthicarpa Breedlove, Dennis 1961-8-5 Riverside Along State Highway 74, 5 miles east of Keen Camp, Hemet Valley, San Jacinto Mountains 1341 Comment
  RSA696749  Ambrosia dumosa J. Russell Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  SD218270  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6 km south of Lake Cahuilla County Park. Comment
  UCR60795  Ambrosia dumosa Steve Boyd, O. Mistretta 1986-3-13 1420 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  UCR171731  Ambrosia pumila John F. Green 2006-4-28 s.n. Riverside Peninsular Ranges, Temecula, Fields immediately N of Nicolas Road/Santa Gertrudis Creek, centered on San Diego Aqueduct corridor 351 Comment
  CAS-BOT-BC273004  Ambrosia salsola M. McCollum 1976-6-10 2014 Riverside 8 mi SSW of Yucca Valley Comment
  HSC83015  Ambrosia salsola N. M. Fellows 1985-3-3 77 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  UCR263511  Ambrosia salsola Aaron C. Sedgwick, Brett Griffin 2012-3-28 024 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  SBBG87792  Ambrosia salsola var. salsola A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6023 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  UC51612  Ambrosia salsola var. salsola Jos. Burtt Davy 1902-3-25 7937 Riverside Indio Comment
  UC64802  Ambrosia salsola var. salsola E. E. Schellenger 1904-3-15 66 Riverside McCoy Wash Colorado Desert, Paloverde Comment
  UC897997  Ambrosia salsola var. salsola F. A. Thackery 1928-4-18 189 Riverside Morongo Canyon Comment
  UCSB18239  Ambrosia salsola var. salsola Easley, Bill 1964-5-10 Riverside Roadside, State Highway 71, 4.9 miles N from Pinyon Flats Campground 944 Comment
  UCSB6610  Ambrosia salsola var. salsola Haller, John 1960-4-2 Riverside Orocopia Mountains, 1.5 mi. S of the junc. of U.S. 60-70 and the S entrance road to Joshua Natl. Monument 579 Comment
  UCR6454  Amelanchier utahensis Art Whistler 1966-5-8 660508- 15 Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  RSA726820  Amorpha fruticosa Steve Boyd, Aydee Virgen 2004-4-13 10849 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR156287  Amorpha fruticosa T. B. Salvato, Kent Beaman 2005-5-16 839 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
  RSA0089634  Amsinckia intermedia Steve Boyd 1986-3-1 1366 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  SEINET7073406  Amsinckia intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR127326  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR22049  Amsinckia menziesii Steve Boyd 1980-4-27 140 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  POM368400  Amsinckia tessellata Robert M. Perkins, H. de Forest 1937-3-15 391 Riverside Near Desert Center. Comment
Read comments
Dec 17 2011
  RSA522265  Amsinckia tessellata Steve Boyd, D. E. Bramlet, H. Spillman 1989-4-30 3512 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  JOTR35299  Amsonia tomentosa Andre, Jim 2012-4-11 20796 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA296148  Anagallis arvensis Barry A. Prigge 1980-8-19 3996 Riverside Whitewater Canyon: 0.7 miles WNW of trout farm. 720 Comment
  RSA524422  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4117 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  POM19839  Anemopsis californica Mary F. Spencer 1923-6-5 2245 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  RSA180297  Anemopsis californica E. W. Lathrop 1964-5-24 5380 Riverside 14 miles west of Murrieta. 549 Comment
  RSA640307  Anemopsis californica L. C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  UCR264617  Anemopsis californica Mitch Provance 2011-6-6 17008 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  UCR4532  Anemopsis californica John Dean 1965-5-26 s.n. Riverside Peninsular Range, At ranch headquarters on road [R3] half way between Temecula Road [Hwy 79] and Sage 305 Comment
  IRVC3693  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-5-28 SJ 19 Riverside Below Idyllwild toward Mountain Center. Peninsular Ranges, San Jacinto Mountains 1524 Comment
  RSA667099  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside: abandoned orange orchard north of 1012 Spruce St. 305 Comment
  CAS-BOT-BC79933  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  UCR174177  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32596 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA0034830  Antirrhinum coulterianum J. C. Roos 1941-5-17 138 Riverside About 4 miles S.W. of March Field. Comment
  SEINET13388909  Antirrhinum filipes H. M. Hall 1905-5-10 6014 Riverside Cottonwood Springs. 671 Comment
  UCR226740  Antirrhinum filipes Jim Andre 2011-2-18 15815 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR133666  Antirrhinum kelloggii 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
  UCR124219  Antirrhinum nuttallianum S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  RSA554279  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White 1992-2-25 92 -2 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
  RSA512160  Apiastrum angustifolium Ed LaRue 1989-5-4 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; At McViker Canyon. 488 Comment
  SD152972  Apiastrum angustifolium Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7344 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR116069  Apiastrum angustifolium O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR250311  Apiastrum angustifolium A. C. Sanders 2014-4-8 40976 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
  POM12113  Apium graveolens Mary F. Spencer 1921-5-28 1664 Riverside Saboba Hot Springs Comment
  RSA0128856  Arabis sparsiflora Scott D. White, Justin M. Wood 2008-6-19 12276 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA629138  Arctostaphylos Jon E. Keeley 1992-7-16 16561 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629175  Arctostaphylos Jon E. Keeley 1992-7-17 16794 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629388  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19508 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629414  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19501 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR278163  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42676 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  RSA612363  Arctostaphylos glandulosa subsp. adamsii D. L. Banks, Joe Moreno 1997-2-5 1259 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SD136856  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-4 7208 Riverside Southern Santa Aana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  SD152872  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd 1993-3-14 7727 Riverside Southern Santa Ana Mountains, northeastern corner of the silderness, wouth of Elsinore Peak. 975 Comment
  UC1137196  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-4-13 Riverside ne face Santiago Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  POM3409  Arctostaphylos glauca L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  RSA631793  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19560 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631813  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21801 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA633558  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21789 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633571  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21776 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633610  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22526 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633690  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16664 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA635301  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22540 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  UCR187287  Arctostaphylos pringlei Diane Menuz 2006-6-27 185 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  LA42429  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1938-5-15 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  SBBG5480  Arctostaphylos pringlei subsp. drupacea M. Van Rensselaer 1937-7-23 Riverside San Jacinto Mtns 1859 Comment
  SD3568  Arctostaphylos pringlei subsp. drupacea Florence Youngberg 1933-8-28 Riverside San Jacinto Mtns., near Idyllwild Pines, near Inspiration Point Comment
  SEINET2028711 Image available Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry valleyu, 1.5 miles from Idyllwold on road to Banning, San Jacinto Mountains 1710 Comment
  UCR269232  Arctostaphylos pungens A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42003 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 above Vista Grande Ranger Station and just below Black Mountain Trail junction 1564 Comment
  RSA635991  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19536 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  RSA636024  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18794 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636172  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19481 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  UCR12531  Arctotis fastuosa Charlene McHaney 1972-5-1 s.n. Riverside large field on Florida Street, Valle Vista, near Hemet 559 Comment
  JEPS44373  Arenaria macradenia var. macradenia Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4274 Riverside about 1 mi below junction with spur to Santa Rosa Springs; Santa Rosa Mountain road Comment
  RSA722445  Argemone munita subsp. munita J. R. Bruff 1928-4-3 181 Riverside 13 miles W of Desert Center. Comment
  SEINET10453712  Argythamnia neomexicana David B. Dunn 1946-3-16 Dunn 2059 Riverside Collected on dry plateau 0.5 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  POM7039  Aristida adscensionis var. modesta P. A. Munz, L. T. Street, G. Williams 1919-3-26 2359 Riverside Salton Sea. Comment
  UCD56533  Aristida purpurea var. fendleriana Peter H. Raven 1958-5-18 13003 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  UCD56547  Aristida purpurea var. nealleyi Lewis S. Rose 1945-12-29 45343 Riverside Colorado Desert, Andreas Canyon, near Palm Springs. Comment
  UCD56558  Aristida purpurea var. nealleyi A. A. Beetle 1942-4-23 3187 Riverside banks of Colorado River, 24 miles north of Blythe. Comment
  SEINET3222924 Image available Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail about 0.5 mi W of the Dolomite Mine. 1200 Comment
  UCD56518  Aristida purpurea var. parishii Hal W. Miller 1956-3-1 s.n. Riverside Chuckawalla Mtns, at Chuckawalla Springs, 15 miles southeast Guiladay Wells. Comment
  SDSU13499  Artemisia californica W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR141241  Artemisia californica A. C. Sanders, Kelly Volansky 2004-10-6 28813 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UC29674  Artemisia dracunculus Mrs. Gregory 1890-1 Riverside San Jacinto 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
  UCR138556  Artemisia tridentata Steve Boyd, D. E. Bramlet 1988-10-8 2877 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  POM50597  Asclepias californica H. M. Hall 1901-06 2210 Riverside Wooded slopes and benches of the south side. 1707 Comment
  RSA401650B  Asclepias californica Gale Sphon 1959-5-2 326 Riverside Horsetheif Canyon, Elsinore Mountains. Comment
  RSA180460  Asclepias eriocarpa E. W. Lathrop 1960-6-6 4820 Riverside 14 miles W. of Murrieta. Comment
  RSA401230  Asclepias erosa J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  UCR133005  Asclepias fascicularis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  SBBG58653  Asclepias subulata S. W. Hutchinson -Feb-1927 10 Riverside Box Cyn 121 Comment
  UCR18598  Asphodelus fistulosus O. F. Clarke 1974-2-28 s.n. Riverside UC Riverside Botanic Garden Comment
  LA202862  Asplenium vespertinum Lawrence L. Kiefer; 1965-5-1 1530 Riverside Bluff above Temecula Creek, ca. 2 mi. SW of Radec 518 Comment
  GMDRC5834  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  POM145548  Astragalus bernardinus J. B. Feudge 1926-5-9 1865 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
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Apr 6 2011
  RSA78729  Astragalus bernardinus P. A. Munz 1952-4-15 17347 Riverside Ridge south of Pleasant Valley, Joshua Tree National Monument 1220 Comment
  UCR144403  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  SEINET938132  Astragalus dispermus Carl B. Wolf 1937-1 8430 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom. 30 Comment
  RSA605935  Astragalus douglasii var. parishii R. S. Woglum 1937-5-22 571 Riverside Santa Rosa Mountains. Comment
  UCR95958  Astragalus douglasii var. parishii Scott D. White 1996-8-1 4422 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  POM229017  Astragalus filipes P. A. Munz 1937-5-31 15125 Riverside Kenworthy, south part of San Jacinto Mountains 1372 Comment
  RSA500980  Astragalus gambelianus Steve Boyd 1989-4-2 3202 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UCR174339  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32502 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  CAS-BOT-BC187376  Astragalus lentiginosus var. variabilis Peter H. Raven 1958-5-5 12903 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  RSA415400  Astragalus palmeri B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Aug 27 2011
  CAS-BOT-BC194170  Astragalus pomonensis Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of Big Oak Mtn., just S of the E summit. 701 Comment
  CSUSB1293  Astragalus pomonensis Markell Kohn 1959-4-1 Riverside 2 miles south of UCR (University of California, Riverside) in wash. 150 yards east of Canyon Crest Drive (dirt road). 20 yards north of plinking (target practice) area. Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  UCD105189  Astragalus pomonensis C. L. Hitchcock; C. V. Muhlick 1962-3-16 22158 Riverside Temescal Canyon, ca. 12 mi. s.e. of Corona. Comment
  SD224954  Astragalus tricarinatus G. K. Helmkamp 1998-4-3 3087 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  UCR38117  Astragalus tricarinatus J. M. Stewart 1985-3-16 8507 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA692505  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UCR239804  Athysanus pusillus O. F. Clarke 2004-3-28 s.n. Riverside Peninsular Range, Box Springs Mtns., east of Riverside and NW of Moreno Valley; off Quail Call Dr. 610 Comment
  UCR24409  Atrichoseris platyphylla John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  RSA0065528  Atriplex Marion P. Harthill 1971-3-19 54 Riverside Borrego Desert. Comment
  CAS-BOT-BC167199  Atriplex argentea A. C. Sanders 2004-8-10 28771 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR121198  Atriplex argentea var. mohavensis D. E. Bramlet 1989-7-5 1933 Riverside Diamond Valley, just W [NW] of Gateway Farms, 50-1,000 ft. south of Newport Road, and 13,500 ft. (c. 2.5 mi.) west of State Street. 473 Comment
  POM182368  Atriplex canescens Joseph A. Ewan 1931-10-3 s.n. Riverside Mockingbird Canyon near Arlington Comment
  SEINET5760307  Atriplex canescens Norman C. Cooper 1943-10-3 937 Riverside Cabazon Comment
  SEINET3930280  Atriplex canescens var. angustifolia Stewart C. Sanderson 1993-11-22 93 -054 Riverside Milo Racket Club, Palm Springs, CA.; 0 Comment
  SD80076  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 332 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  RSA528049  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2037 Riverside Ca. 6.5 km Sw of Hemet just W of Warren Ave. at Steson Ave. & MWD canal; in cow pasture ca. 400m N of Stetson Ave. 457 Comment
  UCR267168  Atriplex coronata var. notatior D. E. Bramlet 2001-5-8 3138 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, west of Davis Rd. near Marvin Rd. 434 Comment
  UCR90766  Atriplex coronata var. notatior D. E. Bramlet 1991-4-30 2088 Riverside 6.5 km west of Hemet and Approx. 610 m west of the intersection of Florida and Warren Road, 340 m south of Florida Ave. and 53 m east of the MWD canal 457 Comment
  SBBG128830  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 -521 Riverside Temescal Cyn Mouth, city of Corona, along Magnolia Ave, off-ramp on SW side of Hwy 15 216 Comment
  JOTR01005  Atriplex hymenelytra Cole, James E. 1941-4-13 570 Riverside Joshua Tree National Park. PINTO PASS; 0.5 MILES NORTH OF MEEK'S CABIN Comment
  CLARK-A1528-2523  Atriplex lentiformis John C. Roos 1936-9-21 Riverside Indio Comment
  POM278762  Atriplex lentiformis Grant D. Brown 1950-3-4 485 Riverside Approximately 10 miles N of Blythe on hyway #95 near water intake plant. 91 Comment
  UCR49995  Atriplex lentiformis Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  JEPS90677  Atriplex pacifica D. Bramlet 1991-5-8 2132 Riverside 5.8 km w of Hemet (some 330 m sw of intersection of Florida and Warren, some 8 m w of Warren Road, across from Auto Boulevard) 500 Comment
  POM121945  Atriplex polycarpa Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  HSC80295  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  SD181603  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside Menifee, ca. 1 mile southwest of Bell Mountain and I(c) mile east of I-215 Freeway; Romoland [quad]. Barley field and disused cattle pond. Disturbed area around seasonally pooled place. 445 Comment
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Jan 8 2009
  UCR201865  Atriplex suberecta Justin M. Wood 2008-8-31 118 Riverside Perris Basin, Romoland, 1/4 mi south of Ethanac Road between San Jacinto Road and Palomar Road just south of railroad tracks 448 Comment
  RSA0042643  Avena barbata Diane M. Ramirez 1983-5-15 27 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill. 1253 Comment
  RSA385408  Avena barbata H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  RSA552715  Avena fatua Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6684 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-BC213218  Ayenia compacta Edmund C. Jaeger 1922-10-15 s.n. Riverside Tacquitz Canyon, Palm Springs Comment
  RSA426791  Ayenia compacta Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR95226  Azolla filiculoides D. L. Banks, E. H. Banks 1996-5-2 946 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
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  LA210510  Baccharis brachyphylla Carl B. Wolf; 1932-10-11 4275 Riverside Morongo Wash, 0.3 mi below the San Bernardino County line 670 Comment
  RSA0104611  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA45533  Baccharis brachyphylla J. C. Roos 1949-4-2 4133 Riverside Near Palm oasis in the side canyon of Whitewater Canyon. 549 Comment
  SDSU21799  Baccharis glutinosa Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3990 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC1922056  Baccharis glutinosa Scott D. White, Angelia Carey 2004-4-5 10017 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA93170  Baccharis salicifolia F. W. Peirson 1933-4-15 10654 Riverside Whitewaer River, 4.5 miles above bridge of Indio Hwy 701 Comment
  UC63377  Baccharis salicifolia subsp. salicifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1828 Riverside near Palm Canon; Riverside, Santa Rosa Peak, Palomar 914 Comment
  CAS-BOT-BC99872  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Canyon at Pinyon Well, Little San Bernardino Mts. (Conchilla Mts.) 1219 Comment
  CAS-BOT-BC99874  Baccharis sergiloides Louis C. Wheeler 1933-12-1 2292 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  IRVC513  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  RSA342551  Baccharis sergiloides R. F. Thorne 1980-4-16 54094 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SEINET899355  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10mi. Below San Bernandino Co. line 671 Comment
  UCR34875  Baccharis sergiloides L. B. Ziegler 1964-10-15 047 Riverside San Jacinto Mtns, Garner (Hemet) Valley from Kenworthy area 1387 Comment
  RSA644197  Bahiopsis laciniata Scott D. White, Mike Wilcox 1995-7-11 3465 Riverside Southwest of Main Divide Truck Trail, above Decker Canyon. 730 Comment
  RSA442013  Bahiopsis parishii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA48417  Baileya pauciradiata E. K. Balls 1949-4-2 12902 Riverside sand N of Salton on Hwy 111, Colorado Desert -61 Comment
  SD46162  Baileya pauciradiata Francia Chisaki, Howard Arnott and John Ingram 1955-4-18 631 Riverside 5.6 miles southeast of turn-off to Thousand Palms on Highway 60. Comment
  UCR201677  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-6-18 12232 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UCR110429  Bassia hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23130 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
  UCR144156  Bassia hyssopifolia Tricia Campbell 2003-12-2 s.n. Riverside Perris Basin, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue 442 Comment
  RSA653353  Bassia hyssopifolia Robert MacGregor 1984-5-19 3 Riverside Lake Elsinore, CA Hwy 74, 1 mile W of junction with 15E Freeway, N side of road. Comment
  CHSC26007  Bebbia juncea James Henrickson 1971-4-2 5482 Riverside Near Hidden Oasis, 13 miles E of Palm Springs. 182 Comment
  CLARK-A1528-2193  Bebbia juncea John C. Roos 1946-11-28 3176 Riverside Eagle Mountains Comment
  UCR251338  Bebbia juncea S. J. Myers 2014-5-21 1057 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCD129535  Bebbia juncea var. aspera Geoffrey Levin 1975-4-5 468 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  UCR244407  Bebbia juncea var. aspera Jim Andre 2012-4-16 20900 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA5546  Berberis amplectens C. B. Wolf 1932-5-25 s.n. Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  HSC78521  Bergia texana J. C. Roos 1952-5-28 5730 Riverside San Jacinto River bottomland, 1 mi. SE of Perris. 427 Comment
  RSA577342  Bernardia incana A. M. Alexander, Louise Kellogg 1941-5-10 2144 Riverside 3 mi. NE of Cottonwood Springs, Eagle Mountains 1037 Comment
  UCR37089  Bidens pilosa A. C. Sanders, M. Guzy 1983-11-10 4649 Riverside University of California, Riverside. Botanic Gardens, Latin American section 366 Comment
  UCR270713  Boechera johnstonii John F. Emmel 1999-3-27 1607 Riverside San Jacinto Mtns., Garner Valley, 0.1-0.2 air mile south of junction Hwy 74 and road to Ramona Trail 1384 Comment
  RSA751512  Boerhavia triquetra Jim Andre, Tasha La Doux 2008-9-13 10264 Riverside Cuckwalla Valley: Along Hwy 177 (NW side), SE end of Coxcomb Mts. E boundary of Joshua Tree National Park 161 Comment
  UCR43706  Boerhavia triquetra R. F. Thorne, R. Dahlgren 1979-8-22 53571 Riverside Joshua Tree National Monument, just south of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley west of Pinto Mtns. 1098 Comment
  UCR58441  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  UCR151361  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  UCD56835  Bouteloua aristidoides A. A. Beetle 1942-4-23 3189 Riverside 24 miles north of Blythe, banks of Colorado River. Comment
  RSA0107464  Bouteloua barbata Duncan S. Bell 2011-9-30 2938 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA781996  Bouteloua barbata Duncan S. Bell 2011-12-30 3034 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR230604  Bouteloua barbata A. C. Sanders 2011-9-15 39892 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
  UCSB18911  Bouteloua curtipendula Keefe, Joseph 1965-5-18 Riverside Pinyon Flats Campground, S of Palm Desert 1432 Comment
  HSC85436  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD236161  Bowlesia incana John F. Green 2006-5-2 Riverside Peninsular Ranges: French Valley; small unnamed drainage in agricultural field along Leon Road 409 Comment
  UC1931070  Bowlesia incana Scott D. White, Justin Wood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  SEINET2042329 Image available Brandegea bigelovii B. Pitzer 1989-4-15 1285 Riverside Chocolate Mountains Aerial Gunnery Range. Large wash crossing Ridgeline Rd. (Frink quad: UTM 11S: PH-050N, 397E) 700 Comment
  UC700945  Brandegea bigelovii Aven and Ruth Nelson 1939-3-28 3304 Riverside s of Mecca (near Salton Sea, Highway 111); Highway 111 Comment
  CSUSB495  Brassica geniculata Karen Cook 1966-5-12 S. N. Riverside Roadside waste area on highway 60 to San Jacinto Rd. 1/4 mile from Hemet-San Jacinto turnoff from Highway 60 (from Riveside to Banning) 304 Comment
  RSA278954  Brassica tournefortii B. A. Prigge, L. Martinez 1978-3-23 2397 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Road 274 Comment
  UC667247  Brickellia atractyloides Annie M. Alexander and Louise Kellogg 1941-5-10 2145 Riverside 3 mi ne Cottonwood Spring; Colorado Desert, Eagle Mountains 1036 Comment
  UCR82760  Brickellia californica A. C. Sanders, T. Schram & D. Wappler 1994-10-6 15787 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  UCR91653  Brickellia californica D. L. Banks, Steve Boyd 1995-10-26 0832 Riverside NW Palomar Mtns, Agua Tibia Mtns, along the Woodchuck Trail, c. 0.7 mi. from the Wilderness Boundary 713 Comment
  CAS-BOT-BC106188  Brickellia desertorum Nancy Ryan Zabriskie; Walter Zabriskie 1971-11-27 467 Riverside Andreas Canyon, east slope San Jacinto Mountains -this n.w. of juncture of North Canyon with Andreas Canyon 365 Comment
  CLARK-A1528-5510  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  JOTR16570  Brickellia desertorum Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  RSA595916  Brickellia desertorum Darin L. Banks, Lauren Raz 1996-11-5 1175 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  UC894157  Brickellia desertorum Carl B. Wolf 1932-10-12 Riverside Pinyon Well, Little San Bernardino Mts., Colorado Desert Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  JEPS18629  Brickellia incana W. L. Jepson 1928-4-23 12555 Riverside 2.5 mi below Cottonwood Springs (s edge of Cottonwood and Eagle Mts., Colorado Desert); Colorado Desert, Cottonwood Mts., Eagle Mts. 487 Comment
  UC894193  Brickellia incana J. Francis Macbride and Francis Drouet 1941-10-14 4466 Riverside desert w of Shavers Summit 304 Comment
  JOTR01241  Brickellia incana Cole, James E. 1941-6-14 885 Riverside Joshua Tree National Park. QUAIL WASH 1066 Comment
  UC1043023  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside San Jacinto River bottom 1 mi E of Ferris 426 Comment
  UCR218078  Brodiaea filifolia Steve Boyd 2010-6-9 12289 Riverside Santa Ana Mountains, San Mateo Canyon, along trail from Tenaja Falls trailhead south towards Fisherman's Camp, upstream from first crossing of creek 378 Comment
  LA13769  Bromus carinatus var. marginatus F. M. Reed; 1908-7-11 2503 Riverside San Jacinto Mountains, trail to San Jacinto Peak 3078 Comment
  RSA296147  Bromus diandrus B. A. Prigge 1980-8-18 3977 Riverside San Bernardino Mountains, Whitewater Canyon; 3.6miles upstream from trout farm. Mouth of side canyon on N side of canyon. 982 Comment
  UCR70128  Bromus inermis A. C. Sanders 1980-7-22 1726 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  UC1925783  Bromus laevipes Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1286 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  SDSU956  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 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
  RSA772325  Bromus rubens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4503 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR94234  Bromus rubens Scott D. White 1996-4-14 3925 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA495406  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2893 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA0080355  Bromus tectorum Steve Boyd 2011-3-29 12305 Riverside Southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch. 762 Comment
  UCD59748  Bromus tectorum Peter Kamb 1948-7-4 1160 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR214119  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37749 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 404 Comment
  RSA405291  Caesalpinia virgata Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  RSA8424  Caesalpinia virgata Roxana S. Ferris, R. C. Bacigalupi 1932-4-30 8243 Riverside In canyon between Shaver's Well and Mecca. Comment
  UCR124000  Caesalpinia virgata George K. Helmkamp, E. A. Helmkamp 2001-4-14 6466 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  UCR86192  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  UCR128170  Calamagrostis koelerioides Michael Honer 2003-5-15 1848 Riverside Santa Ana Mountains, Rainbow area, just north of San Diego County boundary and west of the I-15 Freeway 518 Comment
  SD137660  Calandrinia breweri Steve Boyd 1995-4-5 8425 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the Lower Dripping Springs Trail, just south of the Wilderness boundary 579 Comment
  RSA466560  Calandrinia ciliata Ora M. Clark 1929-3-2 1610 Riverside Near Elsinore. Comment
  UCR107717  Calandrinia ciliata A. C. Sanders 1997-3-1 19742 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
  CDA5111  Callistemon viminalis R. E. Riefner Jr. 2006-7-31 06 -345 Riverside City of Temecula, Pechanga Creek between Via Edwardo Road and Rainbow Canyon Road. Comment
  RSA286791  Callitriche heterophylla subsp. bolanderi R. F. Thorne 1974-5-23 44676 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream 610 Comment
  RSA192159B  Callitriche marginata E. W. Lathrop 6241 -B Riverside 3 miles west of Murrieta, Santa Ana Mts. Comment
  RSA592423  Callitriche marginata J. C. Roos 1966-3-6 s.n. Riverside Across 395 from March Air Force Base. Comment
  MACF019487  Calocedrus decurrens Trudy R. Ericson 1974-11-9 265 Riverside St. 243 from Banning to Idyllwild about 1 mi. south of intersection of St. 243 and Vista Grande Road. 1645 Comment
  UC218107  Calochortus concolor P. A. Munz 1922-6-30 5917 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR110925  Calochortus concolor A. C. Sanders, Mitch Provance 1998-6-18 21984 Riverside San Jacinto Mtns., along Hwy 243 c. 1 km below the turnoff to Twin Pines Ranch 1189 Comment
  JOTR34203  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2995 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  SD135160  Calochortus palmeri var. palmeri Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northwest flank of Santa Rosa Peak, well upslope of Highway 79, mesic opening in chaparral. (IPB 3/08) Comment
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Dec 29 2017
  UC3449  Calochortus plummerae Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR293  Calochortus plummerae Eugene Cardiff 1950-6-6 s.n. Riverside San Bernardino Valley region, Jurupa Hills 366 Comment
  UCR158317  Calochortus splendens A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30045 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
  UCR21917  Calochortus splendens Steve Boyd 1980-5-8 213 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  CAS-BOT-BC483501  Calochortus splendens E. K. Balls 1949-5-4 13479 Riverside Cajalco Road, 2 miles from Corona to Elsinore Highway, road to Lake Matthews, Gavilan Hills Comment
  SEINET3885374  Calochortus weedii var. weedii Steve Boyd, Tim Ross 1992-6-10 7624 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wildernes Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 405 Comment
  RSA642610  Calycadenia tenella Darin L. Banks, Mike Kinney 1998-6-8 2219 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  UCR68719  Calycadenia tenella Steve Boyd 1990-4-28 4442 A Riverside Peninsular Range, Big Oak Mountain, Vail Lake Area 795 Comment
  JOTR29598  Calycoseris parryi Andre, Jim 2006-4-26 6755 Riverside Joshua Tree National Park. abpit 0.5 mi. NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  SEINET7379703 Image available Calycoseris parryi H. K. Sharsmith 1952-4-10 4060 Riverside Mojave Desert, Smoke Tree Wash, about 5 miles northeast of Cottonwood Springs, Joshua National Monument 853 Comment
  SEINET222296  Calyptridium monandrum B. Ertter, J Strachan 1979-6-26 2984 Riverside Hwy 243 near Idylwild San Jacinto Mts Comment
  VVC2881  Calyptridium monandrum Tim Thomas, P. J. MacKay 2010-4-12 5026 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  SBBG5764  Calystegia macrostegia subsp. cyclostegia H. and M. Dearing 1937-4-12 1305 Riverside Lake Elsinore Comment
  POM78927  Calystegia macrostegia subsp. tenuifolia I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  UC1186512  Camissonia E. G. Linsley and J. W. MacSwain 1960-3-2 60 -8 Riverside 2 mi w Desert Center Comment
  RSA157922  Camissonia bistorta P. A. Munz 1927-5-21 10863 Riverside Coahuila. 1372 Comment
  RSA25611  Camissonia bistorta Carl B. Wolf 1941-6-29 4219 Riverside West side of Lake Elsinore. 366 Comment
  RSA465912  Camissonia bistorta Robert L. Rutherford 1652 Riverside Banning, Big Oaks Canyon 1220 Comment
  UCR118781  Camissonia bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 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
  UCR136270  Camissonia bistorta A. C. Sanders 2004-4-20 27546 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR172246  Camissonia bistorta John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR163936  Camissonia boothii A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29136 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA444317  Camissonia boothii subsp. condensata Walter Wisura 1988-3-1 s.n. Riverside Colorado Desert. In wash off Interstate 10 at beginning of Box Canyon road toward Mecca. Comment
  UCR233165A  Camissonia boothii subsp. condensata Jim Andre, Glenn L. Clifton 2011-2-22 17446 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  CLARK-A1528-5708  Camissonia brevipes John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UCR148440  Camissonia brevipes John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  POM14267  Camissonia brevipes subsp. brevipes P. A. Munz, D. Keck 1922-4-9 4795 Riverside Palm Springs. 457 Comment
  UCR177394  Camissonia californica 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
  JOTR16756  Camissonia campestris subsp. campestris Hogan, J. 1974-6-24 177 Riverside Joshua Tree National Park. .7 MILES WEST OF BARRICADE AT UPPER COVINGTON FLAT 1524 Comment
  RSA709898  Camissonia cardiophylla Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4600 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR148858  Camissonia claviformis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR166848  Camissonia claviformis Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR256345  Camissonia claviformis Duncan S. Bell 2011-12-30 3033 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  CLARK-A1656-687  Camissonia claviformis subsp. aurantiaca Lois Ann Scott 1978-2-2 Riverside San Jacinto Mountains 152 Comment
  POM27200  Camissonia claviformis subsp. aurantiaca Lyman Benson 1933-3-31 4168 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UCR48512  Camissonia graciliflora Steve Boyd 1986-4-2 1637 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR87613  Camissonia hirtella A. C. Sanders 1994-5-30 14594 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA736315  Camissonia intermedia Scott D. White, Justin M. Wood 2008-3-25 11778 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR177151  Camissonia pallida Scott D. White, Michael Honer 2003-4-25 9092 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR43031  Camissonia pallida D. C. Hawks 1986-4-16 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Hill, c. 1.5 mi. east of Whitewater 529 Comment
  JOTR38649  Camissonia refracta La Doux, Tasha 2004-2-24 1113 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  SEINET3005000  Camissonia refracta G. Rink 2011-4-4 10428 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UCR148294  Camissonia refracta John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  RSA614409  Camissonia strigulosa D. L. Banks 1997-3-16 1542 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
  UCR92181  Camissonia strigulosa D. L. Banks, Steve Boyd 1995-5-3 0196 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
  SDSU3317  Camissoniopsis bistorta H. Wedberg 1957-3-22 3 Riverside On Hwy 71, 5 miles north of Alberhill. 322 Comment
  UCR166290  Camissoniopsis confusa B. G. Pitzer 1997-3-23 2993 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
  SBBG34572  Camissoniopsis pallida T. L. Secrest 1951-5-19 Riverside near Idyllwild Comment
  CHSC110678  Camissoniopsis pallida subsp. pallida Dean Wm. Taylor 2003-5-6 18523 Riverside 1.15 miles NNE of Cabazon, along access roads paralleling powerlines. 640 Comment
  JOTR34225  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding 2010-4-7 3635 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UC668352  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1941-4-22 2059 Riverside top of Morongo Pass Mohave Desert, Morongo Valley Gorge 701 Comment
  UCR165697  Camissoniopsis pallida subsp. pallida A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16289 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR26907  Carex athrostachya A. C. Sanders 1980-7-18 1682 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  CAS-BOT-BC412825  Carex barbarae R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  RSA526160  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 4663 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  IRVC1230  Carex multicaulis R. H. Whittaker, W. A. Niering 1963-5-29 SJ 64 Riverside Highway above Idyllwild. Peninsular Ranges, San Jacinto Mountains 1860 Comment
  UCR225157  Carex multicostata Steve Boyd, Gary Wallace 2005-7-30 11652 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  SEINET7572200 Image available Carex praegracilis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18119 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1097 Comment
  RSA424898B  Carex senta N. M. Fellows, A. C. Sanders 1985-5-7 191 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 488 Comment
  RSA802260  Carex senta Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5007 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCD140838  Carex senta P. Zika; N. Otting 2010-8-3 25248 Riverside vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula ranges. 2550 Comment
  RSA180457  Carex triquetra E. W. Lathrop 1965-5-9 5736 Riverside 6 miles W of Murrieta. Comment
  SD178220  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley: Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development. 334 Comment
  UCR127560  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley, Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development 335 Comment
  CLARK-A1528-4171  Castilleja affinis John C. Roos 1966-4-5 Riverside Winchester Comment
  RSA496368  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3042 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  RSA523540  Castilleja affinis subsp. affinis Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4000 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM259182  Castilleja applegatei subsp. martinii Philip A. Munz 1938-8-14 15390 Riverside East of Toro Peak, Santa Rosa mts. 2439 Comment
  SD229283  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-4-17 686 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  RSA773670  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1093 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  UC886552  Castilleja exserta P. A. Munz and I. M. Johnston 1922-5-19 5444 Riverside 2 mi below Kenworthy; San Jacinto Mts. 1402 Comment
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Mar 25 2011
  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
  SEINET6985158  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route US 395 and about 5 miles southeast of Lake Matthews. Comment
  RSA526171  Castilleja foliolosa Steve Boyd, Tim S. Ross 1990-5-11 4674 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA741272  Castilleja minor subsp. spiralis Scott D. White, Justin M. Wood 2008-7-10 12447 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR24918  Castilleja minor subsp. spiralis A. C. Sanders 1980-7-18 1662 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR49244  Caucalis microcarpa Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  CAS-BOT-BC41103  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4093 Riverside Vail Lake Area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain. 701 Comment
  HSC92880  Caulanthus heterophyllus Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA0012051  Caulanthus heterophyllus Steve Boyd, Susan Jett 2008-3-20 11832 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UC1583150  Caulanthus heterophyllus Steve Boyd 1986-3-1 1364 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills, s of Harford Springs Co Park 640 Comment
  SBBG2587  Caulanthus lasiophyllus H. and M. Dearing 1936-12-12 507 Riverside N of Indio Comment
  UCR68473  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. E. Bramlet 1990-4-29 4488 A Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  RSA552487  Ceanothus crassifolius Steve Boyd 1992-2-21 6667 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  RSA569994  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7902 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
  UCSB41256  Ceanothus crassifolius Cowan, Clark 1978-4-25 Riverside 6.7mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. F.; Whittaker transect #W-229. Comment
  SEINET5339270  Ceanothus cuneatus H. M. Hall 1897-7-3 s.n. Riverside Vicinity of Riverside, CA 610 Comment
  SD82811  Ceanothus greggii var. perplexans R. S. Woglum 1937-5-22 577 Riverside Santa Rosa Mountains Comment
  UC303595  Ceanothus greggii var. perplexans Greata 1908-6-1 6966 Riverside Eden Hot Springs Comment
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Mar 12 2011
  POM254861  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  RSA221091  Ceanothus integerrimus var. californicus E. W. Lathrop 1966-5-8 6416 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  LA44859  Ceanothus leucodermis W. Pequegnat; 1939-4-8 45 Riverside Santa Ana Mountains Comment
  UCR35172  Ceanothus leucodermis L. B. Ziegler 1970-5-25 407 Riverside San Jacinto Mtns., On floor and slopes of the Hemet Valley [Hemet Valley = Garner Valley] 1402 Comment
  UCSB54149  Ceanothus leucodermis Brownell, Kathleen 1980-5-16 Riverside 2 mi. west of Lakeland Village on Hwy. 74; Santa Ana Mtns. Comment
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Nov 27 2014
  SBBG105060  Ceanothus ophiochilus S. Boyd with T. Ross 1993-3-23 7891 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd 792 Comment
  UCD112284  Ceanothus ophiochilus Steve Boyd; Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi. W of lake. 609 Comment
  UCR172755  Ceanothus palmeri Abby Sirulnik 2000-5-7 39 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 6 mi. south of Poppet Flat Road 1646 Comment
  UCR241220  Ceanothus vestitus Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1012 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
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Jul 20 2015
  UC1280931  Celtis reticulata H. E. McMinn 1935-6-27 4077 Riverside near Banning; near Banning Comment
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Mar 13 2011
  CAS-BOT-BC277185  Centaurea X pouzinii F. Willmarth 1961-10-18 s.n. Riverside Old Fuller Rancho, near Corona Comment
  CAS-BOT-BC277186  Centaurea X pouzinii F. Willmarth 1960-6-20 s.n Riverside Old Fuller Rancho, near Corona Comment
  CDA7295  Centaurea X pouzinii H. Grady, V. Austin 1970-7-28 Riverside Corona District. Southwest corner of Chandler Street & Archibald Avenue. 0 Comment
  UCR172763  Centaurea melitensis Abby Sirulnik, Ian G. Gillespie 2000-5-14 40 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  RSA263732  Centaurea melitensis E. W. Lathrop 1966-5-17 6518 Riverside 4 mi. W of Corona between Tin Mine Canyon & Santiago Peak, Skyline Dr. 1220 Comment
  CLARK-A1528-180  Centaurea solstitialis John C. Roos 1951-9-25 5253 Riverside Riverside Comment
  CAS-BOT-BC279123  Centromadia pungens subsp. laevis David D. Keck 1932-10-2 1946 Riverside Just north of Temecula Comment
  UCR201635  Cerastium glomeratum Scott D. White, Justin M. Wood 2008-6-18 12219 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  POM68414  Cercidium floridum Marcus E. Jones 1924-2-26 s.n Riverside Shaver's Well. Comment
  RSA123213  Cercidium floridum H. S. Yates 1936-4-8 5453 Riverside Near Fish Springs 61 Comment
  RSA784724  Cercidium floridum Duncan S. Bell 2012-3-18 3212 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
  POM202255  Cercocarpus betuloides Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  UCR87945  Cercocarpus betuloides A. C. Sanders, N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  UC527317  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mountains); San Jacinto Mountains 1676 Comment
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Mar 24 2011
  UCR90419  Cercocarpus minutiflorus D. L. Banks, Steve Boyd 1995-3-30 0112 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  JEPS86544  Chaenactis artemisiifolia Roy E. Buck 1988-5-28 911 Riverside near top of grade w of Lake Elsinore (on e-facing slope above CA Hwy 74, 2.0 air km nw of confluence of Harlan Canyon & Johnson Canyon drainages, 7 air km w of L. Elsin. town); Elsinore Mountains Comment
  RSA503409  Chaenactis artemisiifolia J. D. Olmsted 1962-5-10 3645 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  UCR154449  Chaenactis artemisiifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30960 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
  UCR213461  Chaenactis artemisiifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38367 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  CAS-BOT-BC276382  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SBBG7866  Chaenactis carphoclinia C. H. Muller 1952-4-6 9506 Riverside ca. 1 mi N of S entrance to Joshua Tree Nat Monument Comment
  SBBG99385  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR104818  Chaenactis carphoclinia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2732 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  RSA21754  Chaenactis fremontii C. B. Wolf 1937-4-6 8426 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA682173  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 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
  SBBG7873  Chaenactis fremontii C. H. Muller 1952-4-6 9510 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  SEINET2042093 Image available Chaenactis fremontii A. C. Sanders 2001-4-8 23973 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  UC1007203  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 mi n of Cottonwood Springs; Eagle Mts. 914 Comment
  UC1329847  Chaenactis fremontii James E. Cole 1941-3-30 453 Riverside Pinto Basin Joshus Tree National Monument, Pinto Basin 457 Comment
  UCR208481  Chaenactis fremontii Justin M. Wood 2009-3-26 411 Riverside Coachella Valley, Bermuda Dunes, Ave 38, between Washington St and Hwy I-10 43 Comment
  UCR237689  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4422 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  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
  RSA700020  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-25 9105 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR133369  Chaenactis glabriuscula Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 293 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  JEPS34181  Chaenactis glabriuscula var. lanosa Marjorie D. Clary 1932-7-3 1212 Riverside near Kenworthy; Hemet Valley 1371 Comment
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Mar 25 2011
  RSA0021551  Chaenactis stevioides Duncan S. Bell 2012-3-4 3135 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  SBBG4020  Chamaesyce micromera H. and M. Dearing 1936-12-25 946 Riverside Thousand Palms Cyn Comment
  GMDRC3108  Chamaesyce polycarpa J. Andre, T. La Doux 2008-9-13 10272 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 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
  RSA747991  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-4-28 12613 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA433512  Chamaesyce polycarpa var. polycarpa E. A. Purer 1933-3-25 17197 Riverside Palm Springs. Comment
  RSA0103576  Chamaesyce setiloba Duncan S. Bell 2015-9-30 8652 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  CAS-BOT-BC70032  Cheilanthes covillei Carl B. Wolf 1932-5-24 3646 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1/2 mi. below fish hatchery 548 Comment
  JOTR34165  Cheilanthes covillei Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 122 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
  JOTR35481  Cheilanthes covillei La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3169 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA770695  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4800 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR178965  Cheilanthes covillei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 398 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  RSA625000  Cheilanthes parryi L. C. Wheeler 1963-3-17 8243 Riverside Santa Rosa Mountains: Martinez Canyon. Comment
  UC1063595  Cheilanthes parryi H. S. Yates 1937-3-24 6453 Riverside Deep Canyon; Thermal Quadrangle Comment
  UC399595  Cheilanthes parryi F. M. Reed 1917-5-19 3873 Riverside near Palm Grove in Palm Canyon; Colorado Desert Comment
  UCR147842  Cheilanthes parryi Steve Boyd, Et al. 2004-5-14 11278 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UC1191338  Chenopodium berlandieri Malcolm A. Nobs and S. Galen Smith 1948-9-3 485 Riverside 2 mi n Indio (edge of irrigation channel); Imperial Valley Comment
  UCR115134  Chenopodium berlandieri var. zschackei Mitch Provance 2000-8-24 2218 Riverside Jurupa Mountains, NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  POM248398  Chenopodium pratericola Philip Crow 1939-7-20 s.n. Riverside Blythe. Comment
  CAS-BOT-BC231782  Chilopsis linearis Carl B. Wolf 1932-5-25 3674 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. below Fish Hatchery 396 Comment
  RSA722348  Chilopsis linearis J. Russell Bruff 1931-4-25 458 Riverside Whitewater Wash 3 mi. west of Palm Springs. 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
  SD46673  Chilopsis linearis P. C. Everett, E. K. Balls 1956-5-2 21560 Riverside Southwest Eagle Mountains, 3.1 miles north from junction with Highway 60/70 along road to Lost Palms Canyon 715 Comment
  UCR133023  Chilopsis linearis Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon below Carey's Castle, NW of Red Butte Wash, c. 3 miles east of Chiriaco Summit and 1 mile or so north of I-10 640 Comment
  LA204143  Chilopsis linearis subsp. arcuata Carl Epling; 1932-11-9 sn Riverside San Jacinto Mountains, Murray Canyon, Palm Springs Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  RSA296186  Chilopsis linearis subsp. arcuata B. A. Prigge 1980-8-5 3824 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  RSA545216  Chilopsis linearis subsp. arcuata R. F. Thorne 1970-10 41877 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCD121657  Chilopsis linearis subsp. arcuata A. C. Sanders; T. B. Salvato 2000-4-27 23374 Riverside Coachella Valley: east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60. 15 Comment
  CAS-BOT-BC451473  Chimaphila umbellata Scott D. White 1996-8-1 4408 Riverside San Jacinto Mts., Idyllwild Area: Hwy. 243 at Deer Springs trialhead and adjacent area. 1828 Comment
  UCR130511  Chloris truncata R. E. Riefner Jr. 2003-5-27 03- 254 Riverside Perris-Aguanga Region, Perris Valley, Rider Street near Perris Valley Storm Drain 457 Comment
  POM78160  Chloris virgata F. M. Reed 1925-8-10 5136 -B Riverside Granite Hill Ranch, near Glen Avon. 183 Comment
  RSA78210  Chloris virgata J. C. Roos 1952-9-3 5897 Riverside Citrus Experiment Station, Riverside. Comment
  RSA660944  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area: Diamond Valley, along State Street (R3) ca. 1/2 mi. N of Newport Rd., S of Hemet 488 Comment
  RSA774306  Chorizanthe brevicornu Duncan S. Bell 2011-4-8 2195 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UC159451  Chorizanthe brevicornu var. brevicornu E. E. Schellenger 1911-4-24 Riverside s Palm Springs (Colorado Desert); , s of Palm Springs Comment
  UC68578  Chorizanthe brevicornu var. brevicornu H. M. Hall May, 1905 6029 Riverside near Pinto Mountains; Colorado Desert, near Pinto Mountains Comment
  UCR156354  Chorizanthe coriacea T. B. Salvato, Kent Beaman 2005-5-16 879 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
  UCR87638  Chorizanthe coriacea A. C. Sanders 1994-5-29 14545 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCR92607  Chorizanthe corrugata 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
  RSA784658  Chorizanthe fimbriata Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 65 Riverside South main divide road splitting. Comment
  UCR155061  Chorizanthe leptoceras R. E. Riefner Jr. 2005-5-25 05- 418 Riverside Temecula Region, Pechanga Indian Reservation, on north side of Pechanga Creek, south of Pechanga Road 377 Comment
  UC1543898  Chorizanthe leptotheca Barbara Ertter with Jeffrey L. Strachan 1980-5-22 3492 Riverside e side Dripping Springs Compound (Cleveland National Forest near Highway 79 between Aguanga and Temecula n of Wild Horse Park); Cleveland National Forest, e side Dripping Springs Compound 609 Comment
  UC55752  Chorizanthe parryi var. parryi H. M. Hall May, 1901 Riverside West Riverside Comment
  UCR220144  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-11 2351 Riverside Peninsular Range, Lake Skinner County Park; north of old pig farm, 2000 ft. NE of Tucalota Creek & 6500 ft. east of Lake Skinner 485 Comment
  UCR260516  Chorizanthe parryi var. parryi T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7998 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  RSA784660  Chorizanthe polygonoides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 67 Riverside South main divide road splitting Comment
  UCR120656  Chorizanthe polygonoides var. longispina D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1783 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA16359  Chorizanthe procumbens Percy C. Everett 1935-6-18 7173 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
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Dec 29 2009
  UCR217498  Chorizanthe procumbens Diane Menuz 2008-4-17 422 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  CLARK-A1528-729  Chorizanthe rigida Charlotte Stocks 1966-4-10 Riverside Mecca Comment
  POM13266A  Chorizanthe rigida E. C. Jaeger 1922-3-4 1104 Riverside Painted Canyon near Mecca. Comment
  HSC85292  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  UCR127571  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-4-18 3378 Riverside Base of San Jacinto Mtns., on spoil pile, 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct 548 Comment
  UCD103735  Chylismia brevipes William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SBBG100298  Chylismia claviformis W. L. Halvorson 1977-2-15 77 -28 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCD103851  Chylismia claviformis John Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert. Salton Basin. Coachella Canal right-of-way, between siphons 22 and 23, S of Salt Creek. 23 Comment
  UCD103877  Chylismia claviformis William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  CAS-BOT-BC160639  Chylismia claviformis subsp. aurantiaca Hasse 1907-2-1 s.n. Riverside Palm Springs Comment
  RSA770684  Cirsium californicum var. californicum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4787 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC61517  Cirsium neomexicanum L. D. Copeland Apr 1904 Riverside West Canyon, palm Springs Comment
  UCR183020  Cirsium occidentale var. occidentale Mitch Provance 2003-5-5 4426 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR23305  Cirsium occidentale var. occidentale John C. Roos 1952-4-13 5523 Riverside Box Springs Mountains 488 Comment
  CAS-BOT-BC286459  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside South end of Santa Ana Mts. Comment
  RSA438787  Cirsium scariosum Norman C. Cooper 1949-6-29 4321 Riverside Hemet Reservoir, San Jacinto Mountains 1524 Comment
  UCR20812  Cirsium scariosum A. C. Sanders, Steve Boyd 1980-5-19 01498 Riverside San Jacinto Mtns, Garner Valley. Morris Ranch Road near Kenworthy Ranger Station. 1387 Comment
  RSA559956  Cistanthe monandra Steve Boyd, Orlando Mistretta 1992-4-23 7067 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA583357  Cistanthe monandra Steve Boyd, Darin Banks 1995-4-5 8422 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  OBI35627  Clarkia dudleyana Louis B. Ziegler 1972-6-5 473 Riverside San Jacinto Mts-in cyn at lower end of Poppet flats 1067 Comment
  UC454554  Clarkia dudleyana I. J. Condit 1910-6-23 Riverside road to Idyllwild; San Jacinto Mt. 914 Comment
  CAS-BOT-BC171998  Clarkia epilobioides E. W. Lathrop 1968-5-22 6941 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon, Cleveland Nat'l Forest 1219 Comment
  POM128358  Clarkia epilobioides Thomas Craig 1927-4-23 213 Riverside Glen Ivy. Comment
  UCR139193  Clarkia epilobioides Virginia Moran 2003-4-9 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 427 Comment
  UCSC007501  Clarkia epilobioides Michael Wall 2007-5-25 21078 Riverside Rawson Canyon, NE of Skinner Reservoir, on moderate north facing slopes off Rawson Rd. 2.5 mi. East of Washington Ave. 615 Comment
  UCR281530  Clarkia similis Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 89 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  CHSC109027  Claytonia parviflora Duncan S. Bell; Joy England 2010-5-17 1003 Riverside insular ranges; San Jacino Mountains regions: San Bernardino National Forest: Rouse rrdge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potentail habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  UCR201651  Claytonia parviflora subsp. parviflora Scott D. White, Justin M. Wood 2008-5-15 11996 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA282925  Claytonia parviflora subsp. tenuifolia C. W. Tilforth, B. Busenberg 1980-6-17 2018 Riverside Slopes ca. 1/2 mi. south of Toolbox Springs Campground along Thomas Mtn. Road, south of Lake Hemet, west of Hiway 74. 1982 Comment
  RSA586802  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-5-3 0240 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
  SD133030  Claytonia parviflora subsp. viridis Scott White 1991-5-10 91 140 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UCR59680  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2975 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR195112  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA386260  Clematis pauciflora E. S. Spalding 1925-6-12 s.n. Riverside Near Temecula. Comment
  RSA666641  Clematis pauciflora A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24990 Riverside The Badlands: marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. 670 Comment
  RSA440814  Cleome isomeris H. de Forest, G. C. Johnston 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  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
  SEINET10420078  Coldenia brevicalyx N. Dunn, A. M. Martin 1932-3-26 Riverside Coachella. Comment
  CLARK-A1528-7855  Coldenia canescens John C. Roos 1949-4-11 4243 Riverside Eagle Mountains Comment
  RSA0018457  Collinsia concolor J. C. Marvin 1923-01 s.n. Riverside Idyllwild. Comment
  RSA736260  Collinsia heterophylla Scott D. White, Justin M. Wood 2008-4-3 11790 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  POM246591  Colubrina californica E. C. Jaeger 1938-10-30 s.n. Riverside North border of Chuckwalla Mountains, directly south of Desert Center Comment
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Jan 29 2009
  RSA557372  Convolvulus arvensis Julie Greene, Scott D. White, B. Greene 1993-7-5 1395 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  UC1584111  Convolvulus simulans Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3890 Riverside cinder cone ridge at n side of mouth of Temecula Creek Cyn (s flank of mt.); Vail Lake Area, Big Oak Mtn. 396 Comment
  UCR241782  Convolvulus simulans A. C. Sanders, Timothy W. Chumley 2013-3-29 40718 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, 0.91 km NW of Riverside Dr./Hwy 74 403 Comment
  UCR17523  Cordylanthus nevinii Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UCR124220  Cordylanthus rigidus S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  RSA0010998  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1433 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  POM6544  Coreopsis californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2388 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  JOTR31012  Coreopsis californica var. californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1301 Riverside Joshua Tree National Park. Stop 7: Hexie Mountains, Pleasant Valley, along Geology Tour road loop, just south of where loop begins 1039 Comment
  SJSU13579  Corethrogyne filaginifolia C. W. Sharsmith 1945-8-28 5452 Riverside Indian Canyon Cr, Mt San Jacinto 1828 Comment
  UCR154548  Crassula aquatica Jason L. Hlebakos 2005-5-18 698 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  UCR207611  Cressa truxillensis O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR229494  Cressa truxillensis Jeremiah George 2011-7-14 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, Nichols Rd. just west of Collier Ave. junction 384 Comment
  UC1121542  Crocanthemum scoparium var. vulgare A. Lewis May 1934 452 Riverside Decker Canyon Cleveland National Forest, Elsinore Quad. 640 Comment
  RSA0104610  Crossosoma bigelovii Duncan S. Bell, Evan Meyer 2014-10-29 7678 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA342045  Crossosoma bigelovii R. F. Thorne 1980-4-16 54085 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UC536862  Crossosoma bigelovii M. C. Jones 1934-2-18 Riverside Whitewater Canyon Colorado Desert Comment
  RSA38278  Croton californicus var. tenuis P. A. Munz 1946-10-18 11561 Riverside Round-top hill northwest of Aguanga. 793 Comment
  HSC92615  Croton setiger J. J. Jimenez-Osornio 1986-11-22 14 Riverside In parking lot at UCR 301 Comment
  UCR153B  Croton setiger O. F. Clarke 1968-3-25 s.n. Riverside Riverside, UCR campus 396 Comment
  UCR220007  Croton setiger A. C. Sanders 2010-11-18 38686 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  RSA661303  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  SDSU5406  Cryptantha H. Wedberg 1962-4-20 909 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  UCR183167  Cryptantha Mitch Provance 2003-5-5 4408 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR193132  Cryptantha A. C. Sanders, Tim Thomas 2008-6-20 35527 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR256768  Cryptantha T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7879 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  CLARK-A1045-208  Cryptantha angustifolia George K. Helmkamp 1979-4-18 Riverside Indio Hills dry wash; ; Lost Horse Mtn. 15'Q 304 Comment
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Feb 13 2019
  JOTR30306  Cryptantha angustifolia La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1739 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  NY1154342  Cryptantha angustifolia N. H. Holmgren 1973-3-22 6468 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  RSA353601  Cryptantha angustifolia R. F. Thorne 1978-4-23 52033 Riverside Chino Canyon Comment
  RSA784773  Cryptantha angustifolia Duncan S. Bell 2012-3-18 3177 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SBBG25605  Cryptantha angustifolia E. R. Blakley 1966-4-9 6756 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  UCR97487  Cryptantha angustifolia A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19676 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  SEINET10939654  Cryptantha angustifolia David B. Dunn 1946-3-15 Dunn 2028 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  RSA234106  Cryptantha barbigera R. F. Thorne, R. Carolin 1967-3-21 41636 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA336415  Cryptantha barbigera R. F. Thorne, Walter Wisura, A. Shmida, Whittaker 1978-4-23 52054 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UC1563094  Cryptantha barbigera Steve Boyd and Orlando Mistretta 1986-3-13 1407 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges); Palen Mountains 182 Comment
  UCR135716  Cryptantha barbigera var. fergusoniae Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9024 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR226581  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-18 15827 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR177938  Cryptantha clevelandii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 527 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SD260222  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr. 2014-4-22 7885 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon. 481 Comment
  UCR181339  Cryptantha corollata Mitch Provance 2003-4-5 6520 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  UCR182314  Cryptantha corollata Mitch Provance 2003-4-5 6614 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  RSA0079091  Cryptantha cycloptera Anstruther Davidson 1904-5-1 1818 Riverside Palm Springs. Comment
  JOTR33758  Cryptantha dumetorum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2756 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA605175  Cryptantha dumetorum A. C. Sanders, P. Mackay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15999 Riverside colorado Desert: Orocopia Mtns, Maniobra Valley, 1.6-3 miles S of frontage road (old 60) along I10, S to ege of BLM wilderness. 556 Comment
  UCR279492  Cryptantha dumetorum A. C. Sanders, Jim Malusa 2017-3-25 43003 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
  RSA79575  Cryptantha holoptera F. W. Peirson 1927-4-12 7162 Riverside In Painted Canyon near Mecca. Comment
  RSA0108939  Cryptantha inaequata Duncan S. Bell, Amanda Bell 2012-1-28 3071 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  CLARK-A1045-329  Cryptantha intermedia George K. Helmkamp 1977-3-20 Riverside Cabazon dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  CLARK-A1528-1119  Cryptantha intermedia Charles S. Papp 1965-6-13 835 Riverside San Jacinto Mountains 1371 Comment
  POM293650  Cryptantha intermedia Lyman Benson 1946-4-15 12027 Riverside 2 miles east of Banning, Colorado Desert 609 Comment
  POM71279  Cryptantha intermedia Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UC857160  Cryptantha intermedia I. W. Clokey and B. C. Templeton 1930-4-9 4665 Riverside n of Banning 800 Comment
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Mar 13 2011
  UCR171982  Cryptantha intermedia John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR180343  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR214120  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37726 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR22050  Cryptantha intermedia Steve Boyd 1980-4-27 141 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR35182  Cryptantha intermedia L. B. Ziegler 1972-5-30 468 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  UCR61094  Cryptantha intermedia Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2291 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0075627  Cryptantha intermedia var. johnstonii P. H. Raven 1959-4-23 14020 Riverside 4.1 miles west of Dripping Springs. Comment
  RSA779784  Cryptantha maritima Duncan S. Bell 2010-4-2 693 A Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UCR245655  Cryptantha maritima Duncan S. Bell 2010-4-1 673 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  POM72168  Cryptantha micrantha Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC857184  Cryptantha micrantha Mary F. Spencer 1922-4-16 1918 Riverside Palm Springs Colorado Desert 121 Comment
  CAS-BOT-BC520377  Cryptantha micrantha var. lepida Steve Boyd; Gary Wallace 2005-7-30 11639 Riverside Peninsular Ranges, San Jacinto Mountains region: San Jacinto Mtns State Park, Hidden Lake area, NE of Hidden Divide, SE of Long Valley, near head of Hidden Fork of Tahquitz Creek 2682 Comment
  GMDRC2051  Cryptantha micrantha var. lepida J. Andre 2006-4-26 6769 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 1116.44661164471 deg. 43681' W. Elev. 44661 ft. 1325 Comment
  RSA741175  Cryptantha micrantha var. lepida Scott D. White, Justin M. Wood 2008-6-18 12204 Riverside Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UCR256085  Cryptantha micrantha var. lepida G. D. Wallace 2003-7-8 4028 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  RSA523554  Cryptantha microstachys G. H. True 1935-4-1 198 Riverside Box Springs. 366 Comment
  UC1608293  Cryptantha microstachys Steve Boyd and Tim Ross 1992-5-5 7239 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  UCR156279  Cryptantha microstachys T. B. Salvato, Kent Beaman 2005-5-16 824 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
  UCR177189  Cryptantha microstachys Scott D. White, Michael Honer 2003-4-4 8958 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
  UCR48382  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  UC164376  Cryptantha muricata H. M. Hall Jun 1901 2224 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR162877  Cryptantha muricata T. B. Salvato, Kelly Volansky 2003-3-27 125 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  SD247358  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountins; head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1.0 mile SE of Oak Glen Conservation Camp. 1341 Comment
  UCR19091  Cryptantha pterocarya var. cycloptera John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  GMDRC5808  Cryptantha pterocarya var. stenoloba J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24395 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  JOTR29374  Cryptantha racemosa La Doux, Tasha, Mike Bell 2006-5-10 1451 Riverside Joshua Tree National Park. East Deception Canyon Comment
  JOTR29434  Cryptantha racemosa La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1368 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  RSA499793  Cryptantha racemosa W. Hutchinson 1925-04 s.n. Riverside Palm Canyon Comment
  RSA689696  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  CLARK-A1528-2236  Cryptantha utahensis John C. Roos 1948-5-1 3816 Riverside Whitewater 548 Comment
  JOTR30922  Cryptantha utahensis La Doux, Tasha, Bill Truesdell 2008-4-29 2597 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  JOTR34074  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2970 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA79623  Cryptantha utahensis F. W. Peirson 1919-4-13 1025 Riverside Murray Canyon, Palm Springs region. Comment
  UC667346  Cryptantha utahensis Annie M. Alexander and Louise Kellogg 1941-5-7 2136 Riverside Split Rock, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
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Oct 23 2011
  SEINET7048197  Cucurbita foetidissima Steven R. Hill, Andrew C. Sanders 2001-5-4 33706 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UCR37448  Cupressus sempervirens Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  CAS-BOT-BC224551  Cuscuta californica C. L. Hitchcock; C. V. Muhlick 1964-3-17 23076 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  RSA488714  Cuscuta californica James L. Reveal 1972-8-9 2867 Riverside along California Highway 243, 6.5 miles northwest of the Alandale Ranger Station, about 0.5 miles south of Bay Tree Spring near the trail to Black Mountain. Comment
  UCR110410  Cuscuta pentagona A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23171 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  SEINET4604342 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4 km west of Aztec Well, 75 km east of Indio; Desert Center 7.5' USGS topographic quadrangle 727 Comment
  SEINET5624454 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .4 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  SEINET9037429 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18399 Riverside San Gorgonio River, 2km south of Cabazon, 2.6km NNW of Hurley Flat, 26km WNW of central Palm Springs 510 Comment
  JEPS15951  Cymopterus panamintensis var. acutifolius Marjorie D. Clary 1931-5-3 653 Riverside between Coachella Valley and Palo Verde Valley (Eagle Mountains); Eagle Mountains Comment
  RSA289852  Cynodon dactylon B. A. Prigge 1980-9-16 4050 Riverside Indio. Coachella Valley Stormwater Channel., Near 33 deg 44'N, 116 deg 14'W. 0 Comment
  UCR232793  Cynodon dactylon John F. Green 2008-4-16 0408- 51 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  IRVC5332  Cyperus eragrostis B. Freeman 1968-5-21 680521 1 Riverside UCR campus; wet drainage gulley below Watkins House. southern coastal 305 Comment
  SEINET3909845  Cyperus odoratus John R. Crutchfield 1965-6-16 219 Riverside Lost Lake Resort, 14 miles south of Vidal.; 0 Comment
  RSA708494  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley: Indio area, vacant land northeast of the I-10 Freeway interchange at Jefferson. 12 Comment
  SEINET4034479  Dalea mollis Bigelow, Foster; Cazier 1968-1 sn Riverside 3 mi. south of Rice. Comment
  CHSC99048  Dalea mollissima LeRoy Gross 2005-3-3 1558 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  RSA517837  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1467 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR51987  Datura stramonium Steve Boyd 1987-10-10 2093 Riverside Riverside, N Main St. just south of Santa Ana River 250 Comment
  SDSU11088  Datura wrightii Ronald H. Bogelow 1962-4-16 Riverside 10 yards from north side of 29 Palms road, about 10 miles from Desert Center Rd. Comment
  UCR235083  Datura wrightii A. C. Sanders, John F. Green 2012-6-1 40230 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  UCR35272  Datura wrightii L. B. Ziegler 1964-9-2 27 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  UCR174551  Daucus pusillus Jennifer H. Jones 2006-6-6 403 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  CAS-BOT-BC294117  Deinandra kelloggii Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  CAS-BOT-BC292008  Deinandra paniculata A. C. Sanders 2004-7-1 28373 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile WNW of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  CAS-BOT-BC334480  Deinandra paniculata R. E. Riefner, Jr. 2010-6-5 10 -50 Riverside City of Riverside, Sycamore Canyon Park, W ca 0.5 mi from Cottowood Ave. and Sycamore Canyon Blvd. 135 Comment
  RSA0012175  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UC1930979  Deinandra paniculata T. B. Salvato, Gregg Miller 2005-6-3 1378 Riverside Peninsular Range; Perris-Aguanga Basin Region: ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road Comment
  RSA0020492  Delphinium parishii subsp. parishii F. W. Peirson 1902-4-9 2902 Riverside Murray Canyon, Palm Springs Region Comment
  UC1126030  Delphinium parryi J. B. Spring 1931-4-21 36 Riverside Branch of Mockingbird Canyon Elsinore Quadrangle Comment
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Apr 2 2011
  RSA0029697  Delphinium parryi subsp. maritimum D. L. Banks, Victor W. Steinmann 1997-3-13 1428 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  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
  SD229211  Dendromecon rigida Dick Schwenkmeyer 2012-4-18 707 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCR243170  Dendromecon rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4336 Riverside Transverse Ranges; San Bernardino Mountains, 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
  CAS-BOT-BC198172  Deschampsia danthonioides Robert F. Thorne; Earl Lathrop; O. Clark; S. Carlquist 1968-4-18 37430 Riverside Mesa de Colorado, Rancho, Santa Rosa Plateau 670 Comment
  UCR2321  Deschampsia elongata F. M. Reed 1928-6-18 6138 Riverside Peninsular Range; Temescal [Santa Ana] Mountains, Main Street Canyon, south of Corona 579 Comment
  UC856007  Descurainia pinnata K. Watkins and E. McClintock 1937-4-9 Riverside 1 mi w San Jacinto Comment
  CAS-BOT-BC43359  Descurainia pinnata subsp. glabra C. L. Hitchcock 1940-4-1 5911 Riverside Cottonwood Spring wash. Comment
  RSA0117928  Descurainia pinnata subsp. glabra Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7634 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  UCR155070  Dichelostemma capitatum A. C. Sanders, Kelly Volansky 2005-3-17 29215 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
  RSA192248  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1960-3-11 4663 b Riverside 5 miles west of Murrieta. Comment
  RSA614134  Dichelostemma capitatum subsp. capitatum Darin L. Banks 1997-2-23 1301 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
  UCR188671  Dichelostemma capitatum subsp. capitatum Amanda Lovelady, Tina Hofmann 2007-5-20 29 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  CAS-BOT-BC292190  Dicoria canescens John Thomas Howell 1928-11-4 4087 Riverside Below Palm Canon [Canyon] on road from Indio to Palm Springs Comment
  POM356426  Dicoria canescens H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
  RSA314491  Dicoria canescens R. F. Thorne 1982-10-8 55356 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  CAS-BOT-BC292248  Dieteria asteroides var. asteroides H. M. Hall 1901-8-1 2648 Riverside San Jacinto Comment
  JEPS40728  Dieteria asteroides var. asteroides Marjorie D. Clary 1932-5-9 371 Riverside near Neighbors; Palo Verde Valley 91 Comment
  CAS-BOT-BC291032  Dimorphotheca sinuata Steve Boyd 1986-4-10 1640 b Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon Comment
  UCR109153  Dimorphotheca sinuata D. L. Banks, V. W. Steinmann 1997-3-13 1456 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
  CAS-BOT-BC150925  Diplacus bigelovii var. bigelovii Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  CAS-BOT-BC150926  Diplacus bigelovii var. bigelovii Ira L. Wiggins 1937-3-9 8763 Riverside 5 miles west of Shaver's Well Comment
  CAS-BOT-BC153093  Diplacus fremontii Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA0016057  Diplacus fremontii Duncan S. Bell, Valentin Arvizu 2010-5-10 974 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  IRVC28533  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden 351 Comment
  UCR140724  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA70431  Ditaxis californica F. W. Peirson 1921-3-23 2043 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  POM87299  Ditaxis claryana Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  SEINET3196407 Image available Ditaxis lanceolata Teresa B. Salvato 2010-4-20 4060 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe (McCoy Peak 7.5' Q.) 183 Comment
  UCR175173  Ditaxis neomexicana Jim Andre 2006-4-6 6693 Riverside S Mojave Desert, Joshua Tree National Park: along Pinto Basin Rd. in Wilson Canyon 866 Comment
  UCR72230  Ditaxis neomexicana Theo Glenn 1991-5-28 91- 109 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  CAS-BOT-BC126756  Dithyrea californica A. C. Sanders 2010-3-15 37417 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  CLARK-A1528-1125  Dithyrea californica Wilbur Mayhew 1959-2-3 Riverside Desert Center Comment
  CSUSB522  Dithyrea californica Barry A. Vittor 1966-3-4 S. N. Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  SD260032  Dithyrea californica J. M. Andre 2013-3-27 24797 Riverside Rice Valley: east saide of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). Ric 7.5'Q 242 Comment
  SFV1460  Dithyrea californica P. M. Kennamer 1958-4-1 s. n. Riverside 0.75 miles north of Joshua Tree National Monument turnoff; 50 feet on west side of road. 30 Comment
  POM193556  Dodecahema leptoceras C. C. Parry, J. Lemmon 1876-1 367 Riverside Whitewater. Comment
  SBBG58452  Dodecatheon alpinum M. Lewis 1947-8-26 8 Riverside Wellman's Cienega SE slope San Jacinto Mtns Comment
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Feb 18 2013
  UC456194  Dodecatheon alpinum I. J. Condit 1910-6-21 Riverside Tahquitz Camp San Jacinto Mts., Tahquitz Camp 2438 Comment
  RSA736257  Dodecatheon clevelandii Scott D. White, Justin M. Wood 2008-4-3 11789 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA342815  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51982 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  CAS-BOT-BC41606  Draba corrugata var. corrugata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. 2438 Comment
  UCR217794  Draba cuneifolia Jim Andre, T. La Doux 2010-2-28 12561 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR19087  Draba cuneifolia var. integrifolia John C. Roos 1952-3-19 5402 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  RSA0019580  Drymocallis glandulosa var. glandulosa E. W. Lathrop 1966-5-29 6388 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  POM12104  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-10 1861 Riverside Idyllwild. 1616 Comment
  RSA263701  Dryopteris arguta E. W. Lathrop 1966-5-8 6470 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  OBI42779  Dudleya lanceolata Melody Lardner 1981-5-31 200 Riverside In the Santa Ana mts on Mesa de Colorado on Calle Collina Rd 1.5 mi from the corner of Calle Collina Rd and Tenaja Rd 610 Comment
  UCR127557  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  CAS-BOT-BC109612  Dudleya saxosa subsp. aloides L. R. Abrams 1926-3-27 11128 Riverside Between Whitewater and Cabazon. Comment
  POM356492  Dyssodia porophylloides Christopher Davidson, J. Jones 1980-4-4 9958 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
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Sep 17 2011
  UCR168264  Dyssodia porophylloides Scott D. White 2001-4-3 8263 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
  RSA696228  Echinocactus cylindraceus Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
  UCR59234  Echinochloa crus-galli Jeri Hirshberg 1989-7-20 s.n. Riverside Diamond Valley, south of Newport Road, near Searl Ranch. Comment
  CDA4578  Eclipta prostrata Gene Drake 1975-7-3 Riverside Riverside Canal, Nixon at McKinley, Riverside. 0 Comment
  UC1531137  Elatine californica Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51987 Riverside Mesa del Colorado Santa Rosa Plateau Comment
  UC1409150  Elatine chilensis Robert F. Thorne and Earl Lathrop 1969-5-12 37939 Riverside Mesa de Colorado, Rancho Californua Santa Rosa Plateau Comment
  UCR225160  Eleocharis bella Steve Boyd, Gary Wallace 2005-7-30 11646 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA0099583  Eleocharis geniculata Duncan S. Bell 2015-8-12 8593 Riverside 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
  SBBG119998  Eleocharis macrostachya A. C. Sanders, K. Volansky 2005-3-17 29234 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR222300  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55212 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UCR132717  Eleocharis montevidensis A. C. Sanders, O. F. Clarke 1991-6-10 11126 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA198998  Eleocharis palustris Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 34756 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA297080  Eleocharis radicans B. A. Prigge 1980-8-5 3845 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  RSA743553  Eleusine coracana subsp. africana R. E. Riefner 2003-12-20 3 -548 Riverside Near Jurupa, Hellman Ave. at Pine Ave. 195 Comment
  UC38265  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-1 1114 Riverside San Jacinto Mt. San Jacinto Mountains 1524 Comment
  CLARK-A1528-56  Elymus glaucus C. M. Flanagan 1973-5-22 OO 904 Riverside Rubidoux Comment
  RSA674942  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UC37017  Elymus trachycaulus H. M. Hall June, 1901 2174 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UC60794  Elymus trachycaulus H. M. Hall 1897-8-10 787 Riverside Tamarack Valley San Jacinto Mountains 2621 Comment
  UCR57206  Elymus triticoides Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  OBI32762  Emmenanthe penduliflora Richard L. Irwin 1962-4-21 39 Riverside Beneath center of Crestomore Rd bridge over Santa Ana River and ca 100 ft W 244 Comment
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Aug 24 2013
  RSA172266  Emmenanthe penduliflora Robert F. Thorne 1963-3-29 32438 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
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Apr 24 2011
  RSA765232  Emmenanthe penduliflora L. M. Prince, Duncan S. Bell 2009-6-17 568 Riverside Cleveland National Forest Comment
  UC162678  Emmenanthe penduliflora H. M. Hall May 1899 Riverside San Jacinto Mts., El Toro Mt., Coyote Canyon Comment
  UCR216026  Emmenanthe penduliflora Oleg Pryadko 2008-5-2 084 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR244419  Emmenanthe penduliflora Jim Andre 2012-4-16 20914 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
  UCR157769  Emmenanthe penduliflora var. penduliflora T. B. Salvato, A. C. Sanders 2005-5-17 906 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR117103  Encelia actoni A. C. Sanders, T. B. Salvato 2001-5-16 24307 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  HSC84144  Encelia farinosa Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtns.; 1 mi. up Bee Canyon off of Hwy. 74 457 Comment
  RSA644109  Encelia farinosa Scott D. White 1995-3-30 2682 Riverside Moreno Valley; base of Badlands slopes, N of Highland Blvd. and W of Theodore St. 579 Comment
  RSA678359  Encelia farinosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10494 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
  UC68868  Encelia farinosa H. M. Hall 1905-4-1 5787 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR148454  Encelia farinosa S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  POM122186  Encelia farinosa var. farinosa Marcus E. Jones 1926-2-15 S.N. Riverside Near Indio. Comment
  POM356693  Encelia farinosa var. farinosa Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  SEINET11859843  Encelia frutescens L. S. Rose 1935-12-23 35701 Riverside Colorado Desert, above Deep Canyon, San Jacinto Mts., 22 mi S of Cathedral City 1067 Comment
  JOTR35931  Ephedra aspera De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6879 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  RSA383798  Ephedra aspera E. C. Jaeger 1922-3-26 747 Riverside Murray Canon, near Palm Springs, California. 365 Comment
  JOTR32655  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  RSA773191  Ephedra californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4894 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm);, Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  CAS-BOT-BC81860  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  JOTR35160  Ephedra viridis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3269 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  UCR274530  Epilobium canum Mitch Provance, Ken Halama 2003-6-15 17058 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR40150  Epilobium canum Steve Boyd 1985-8-7 1109 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  CAS-BOT-BC171737  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  CAS-BOT-BC171751  Epilobium canum subsp. latifolium Philip A. Munz 1946-10-19 11563 Riverside Coachella [Coahuila] 1097 Comment
  RSA609931  Epilobium canum subsp. latifolium R. S. Woglum 1937-11-20 1208 Riverside Peninsular Ranges: Santa Rosa Mountains. Comment
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Dec 9 2014
  RSA674524  Epilobium canum subsp. latifolium Scott D. White 2000-11-15 8147 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  UCR159202  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 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
  UCR268589  Epilobium densiflorum Jim Andre 2012-6-15 30541 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA633882  Epilobium glaberrimum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38156 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  POM3144  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1901-6-3 2377 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  POM48883  Epilobium glaberrimum subsp. glaberrimum P. A. Munz 1924-7-27 8749 Riverside Dark Canyon, San Jacinto Mountains. 1982 Comment
  RSA162774  Epilobium oregonense J. D. Olmsted 1959-7-1 713 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
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Jun 21 2008
  RSA458733  Epilobium oregonense M. B. Dunkle 1933-7-22 3745 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  RSA684637  Equisetum laevigatum Gale Sphon 1956-6-13 s.n. Riverside Hemet Meadow, Mountain Meadow Comment
  RSA503417  Equisetum telmateia var. braunii J. Olmstead 1962-5-10 3629 Riverside Coldwater Canyon (western Riverside Co.) 396 Comment
  POM201787  Eragrostis mexicana subsp. virescens L. M. Booth 825 Riverside Hard roadside. Comment
  RSA278491  Eremalche rotundifolia John F. Emmel 1977-3-7 553 Riverside Orocopia Mts.; canyon 4.9 air miles due east of Shaver s Well 579 Comment
  CAS-BOT-BC160061  Eremothera boothii subsp. condensata Forrest Shreve 1937-3-12 7904 Riverside 6 mi. NE of Desert Center Comment
  RSA0105502  Eriastrum densifolium subsp. austromontanum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8656 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  LA106803  Eriastrum densifolium subsp. densifolium Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  UC1787317  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 138 Riverside San Jacinto Mountains: Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  UC68784  Eriastrum diffusum H. M. Hall Apr. 1905 5965 Riverside near McCoy Wash; Colorado Desert 91 Comment
  UCR178544  Eriastrum diffusum R. G. Swinney 1967-5-26 139 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  JOTR34196  Eriastrum eremicum subsp. eremicum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2989 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  CAS-BOT-BC514450  Eriastrum eremicum subsp. eremicum Philip A. Munz; R. D. Harwood 1950-4-4 3526 Riverside Pass S of Palm Springs 152 Comment
  RSA0120676  Eriastrum harwoodii Duncan S. Bell 2010-4-2 682 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 3 air miles northwest of Priest Well; collecting along a sandy slope above the main western drainage for the Arica mountains. 464 Comment
  SEINET3100713  Eriastrum harwoodii G. Rink, M. Honer, K. Christie 2012-3-19 11084 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  UC23874  Eriastrum sapphirinum H. M. Hall 1896-8-27 329 Riverside Strawberry Valley San Jacinto Mountains 1584 Comment
  UCR213862  Eriastrum sapphirinum Scott D. White, Justin M. Wood 2009-5-22 12932 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  VVC373  Eriastrum sapphirinum A. C. Sanders, J. Mac 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  RSA0122947  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1962-7-26 8180 Riverside Temescal Valley. Comment
  RSA0122953  Eriastrum sapphirinum subsp. dasyanthum Orlando Mistretta 1992-6-10 510 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  SD255240  Eriastrum sapphirinum subsp. sapphirinum Duncan S. Bell, Evan Meyer and Sonia Pena 2015-10-20 8723 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  RSA0122974  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1901-08 2635 Riverside San Jacinto Mountains. The south side. 1585 Comment
  SBBG5836  Eriastrum sparsiflorum H. and M. Dearing 1940-6-9 4360 Riverside E of Hemet on Palms to Pines Hwy Comment
  RSA597062  Ericameria brachylepis D. L. Banks, Lauren Raz 1996-11-5 1147 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA709797  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi. E of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun City. 457 Comment
  RSA489839  Ericameria cuneata D. Charlton 1988-5-28 2137 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area 2286 Comment
  UC31082  Ericameria cuneata var. cuneata H. M. Hall 1901-7-1 Riverside Tamarack Creek San Jacinto Mts., Tamarack Ck. 2133 Comment
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Aug 3 2008
  CAS-BOT-BC287637  Ericameria linearifolia C. B. Wolf 1931-5-11 1951 Riverside Ridges above Pipe Creek, above Hemet Valley, San Jacinto Mts 1676 Comment
  UCR243161  Ericameria linearifolia LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4298 Riverside Transverse Ranges; San Bernardino Mountains, 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
  JOTR00956  Ericameria linearifolia Moran, Reid 1941-5-4 838 Riverside Joshua Tree National Park. EAST OF QUAIL SPRING 396 Comment
  JOTR33673  Ericameria nauseosa var. mohavensis La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2663 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  SBBG8359  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside wash at W edge of Colorado Desert, just E of Banning Comment
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Jun 4 2011
  CAS-BOT-BC33495  Erigeron breweri var. jacinteus Harvey Monroe Hall 1901-6-1 2322 Riverside San Jacinto Mountains; near Tauquitz 2690 Comment
  UCR158318  Erigeron foliosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30049 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
  POM357619  Erigeron foliosus var. foliosus Norman C. Cooper 1944-5-19 1298 Riverside Banning. 701 Comment
  UCR59698  Eriochloa acuminata George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley; hayfield on W side of state Hwy 78, 0.7 mi north of Palo Verde 71 Comment
  HSC82842  Eriochloa acuminata var. acuminata A. C. Sanders 1985-8-24 5946 Riverside Lower Coachella valley near Oasis on the dirt extension of Ave. 76, 0.4 mi E of Hwy 195, along the S side of a large drain flowing toward the Salton Sea -55 Comment
  SEINET10781259  Eriodictyon J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12846 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
  LA205565  Eriodictyon crassifolium Elizabeth McClintock; 1940-4-23 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  RSA16504A  Eriodictyon crassifolium Percy C. Everett 1935-6-17 7154 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  SEINET244776  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns.; ca 200 m up Mt. Edna Road off Hwy 243 on the northern side of the mountains. 1159 Comment
  SD260256  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42396 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site (Pechanga 7.5'Q) 465 Comment
  UC73690  Eriodictyon crassifolium var. crassifolium Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA757788  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 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
  UCR265811  Eriogonum Mitch Provance 2012-5-24 512- 01 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  UC1007165  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside near Santa Rosa Peak 2316 Comment
  HSC80073  Eriogonum davidsonii Dave Goodward 1985-9-29 Riverside San Jacinto Mtns. edge of Soboba Burn, rim of Hall Canyon above UC James Reserve 1677 Comment
  JEPS56701  Eriogonum davidsonii W. L. Jepson 1903-8-4 2282 Riverside below Thomas Valley forks (trip to Spruce Canyon; Chalk Hill); San Jacinto Mts., Chalk Hill 1524 Comment
  SEINET6340538  Eriogonum davidsonii B. Thomas 1967-10-22 346 -83 Riverside Fulmar lake, 8 miles N of Idyllwild, of Co. Rd. R-1 1829 Comment
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Nov 8 2015
  UCSB25721  Eriogonum davidsonii Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.9 miles southwest of junction with Highway 74, Little Thomas Mountain. 1554 Comment
  CAS-BOT-BC256118  Eriogonum deflexum var. deflexum Edmund C. Jaeger 1939-3-31 s.n. Riverside South End Coxcomb Mts. 274 Comment
  RSA517915  Eriogonum deflexum var. deflexum Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1333 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  SEINET6417985  Eriogonum elongatum Andrew C. Sanders, Mike Misenhelter 2005-9-20 31674 Riverside San Jacinto Mtns. Foothills; Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 549 Comment
  RSA717683  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2004-5-5 27780 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  RSA0062500  Eriogonum fasciculatum var. foliolosum J. M. Andre 2012-6-15 30493 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  SD229219  Eriogonum fasciculatum var. foliolosum Dick Schwenkmeyer 2012-10-16 850 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR268314  Eriogonum fasciculatum var. foliolosum Jim Andre 2012-6-15 30493 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  RSA613762  Eriogonum fasciculatum var. polifolium B. Pitzer 1997-4-20 3195 Riverside Lakeview Mtns: Warren Rd., just before it connects with Pulsar View Rd., ca. 1 air mi. N of Juniper Flats Rd. 518 Comment
  CAS-BOT-BC253493  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2851 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243, San Jacinto Mountains 868 Comment
  UC56798  Eriogonum gracile E. A. Zumbo Oct, 1902 364 Riverside Riverside Comment
  UCR162622  Eriogonum gracile S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR178008  Eriogonum gracile T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 605 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  POM162688  Eriogonum gracile var. gracile F. M. Reed 1929-11-8 6684 Riverside Near old ranch north of Snow Canon, western edge of Colo. Desert. Comment
  RSA595922  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  POM153383  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11250 Riverside Temescal Canyon. Comment
  CAS-BOT-BC257581  Eriogonum inflatum Carl B. Wolf 1932-4-26 2971 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  CLARK-A1528-3666  Eriogonum maculatum John C. Roos 1958-9-28 Riverside San Jacinto Mountains Comment
  JOTR35312  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. large wash about 1 mile SW of Eureka Peak. 1380 Comment
  UCR35094  Eriogonum parishii L. B. Ziegler 1966-8-9 77 Riverside San Jacinto Mtns., Hemet (Thomas-Garner) Valley 1418 Comment
  SEINET182561  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino Co. line, Riverside County. Lower Sonoran Zone. 732 Comment
  JOTR34122  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2736 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
  RSA239808  Eriogonum pusillum C. W. Tilforth 1973-4-29 778 Riverside Hwy 74, ca. 9 mi. S of bridge at base of Seven Level Hill, S of Palm Desert. Comment
  RSA424848  Eriogonum pusillum Lester H. Cushman 1932-3-20 s.n. Riverside 2 mi. W of Morongo Valley. Comment
  UCD100856  Eriogonum pusillum A. C. Sanders; K. Rose, D. Woodard 1995-3-22 16211 Riverside Coachella Valley, mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 370 Comment
  RSA676036  Eriogonum reniforme Scott D. White 2001-4-11 8292 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  JOTR31156  Eriogonum saxatile La Doux, Tasha 2009-6-3 1864 Riverside Joshua Tree National Park. (Stop 4): Little San Bernardino Mountains, Covington Flats Area, gravelly slopes below peak 1511 Comment
  JOTR35219  Eriogonum thomasii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3643 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  JOTR38676  Eriogonum thomasii Hodges, Stephen R. 2017-2-2 683 Riverside Joshua Tree National Park. Cottonwood Mountains; at base of southern end, north of park boundary Comment
  RSA496745  Eriogonum thomasii A. C. Sanders 1988-5-11 7811 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  UCR208459  Eriogonum thomasii Scott D. White, Justin M. Wood 2009-3-24 12570 Riverside Colorado Desert, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy 27 Comment
  UCR269866  Eriogonum thomasii A. C. Sanders, Jim Malusa 2016-3-18 42361 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA64760  Eriogonum thurberi F. W. Peirson 1914-04 1738 Riverside Whitewater at head of Coachella Valley. Comment
  CAS-BOT-BC263597  Eriogonum trichopes C. F. Saunders 1932-6-21 s.n. Riverside Palm Springs Comment
  UCR3812  Eriogonum trichopes Frank C. Vasek 1964-4-12 640412- 05 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  UC454346  Eriogonum wrightii I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  CAS-BOT-BC261783  Eriogonum wrightii var. nodosum Frank W. Peirson 1922-12-27 3333 Riverside Andreas, between Forks, East slope San Jacinto Comment
  LA207105  Eriogonum wrightii var. nodosum Harlan Lewis; 1939-10-22 1044 Riverside Santa Rosa Mountains, Palms to Pines Highway 304 Comment
  SD48398  Eriogonum wrightii var. nodosum E. K. Balls, P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  UCR2829  Erioneuron pulchellum F. M. Reed 1920-5-10 4340 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Rocky ridge north of Murray Canyon [near Palm Springs] 396 Comment
  CAS-BOT-BC298484  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs, Colorado Desert 150 Comment
  POM10255  Eriophyllum ambiguum var. paleaceum Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
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Mar 12 2011
  CLARK-A1045-348  Eriophyllum confertiflorum George K. Helmkamp 1977-3-5 Riverside Santa Ana Mountains along highway north of Rainbow, at Riverside County Line; chaparral; ; Temecula 7.5'Q Comment
  RSA180331  Eriophyllum confertiflorum E. W. Lathrop 1965-4-26 5694 Riverside 4 miles southwest of Murrieta. Comment
  SDSU4085  Eriophyllum confertiflorum H. Wedberg 1962-5-23 946 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  SEINET2078006  Eriophyllum confertiflorum G. Rink 1999-5-22 Riverside 8 miles S of Banning on Highway. 243 1250 Comment
  SDSU14032  Eriophyllum confertiflorum var. confertiflorum Dinna Estrella, M. G. Simpson 2002-4-20 20 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside field station. 335 Comment
  UC495188  Eriophyllum confertiflorum var. confertiflorum P. A. Munz 1932-4-24 12391 Riverside along canyon bottom Snow Creek Canyon; San Jacinto Mts., Snow Creek Canyon 457 Comment
  CAS-BOT-BC301788  Eriophyllum multicaule P. A. Munz; R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon 365 Comment
  CLARK-A1528-212  Eriophyllum multicaule C. M. Flanagan 1973-4-14 OO 110 Riverside 518 Comment
  POM29805  Eriophyllum multicaule Marcus E. Jones 1882-5-27 s.n. Riverside San Jacinto Mts. Comment
  UC1463087  Eriophyllum multicaule Arthur S. Barclay and Juan Arguelles 1965-4-22 1913 Riverside vicinity of Murrieta Comment
  CAS-BOT-BC296974  Eriophyllum wallacei L. R. Abrams 1926-3-25 11006 Riverside Cabazon to Whitewater Comment
  POM29826  Eriophyllum wallacei Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  POM307281  Eriophyllum wallacei Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2138 Riverside Santa Rosa Mountains. Comment
  UC1428710  Eriophyllum wallacei J. L. Strother 1973-3-21 1159 Riverside above Chiriaco Summit; Lost Palms Canyon Comment
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Mar 26 2011
  UCD132248  Eriophyllum wallacei William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UC1922013  Eriophyllum wallacei Robert F. Thorne, M. Z. Thorne 1973-3-30 42687 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  RSA678971  Erodium botrys Scott D. White, Michael Honer 2003-6-3 9457 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA702733  Erodium brachycarpum Scott D. White, Michael Honer 2004-4-6 10055 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  POM17787  Erodium brachycarpum H. Baer 1923-2-25 s.n. Riverside Temecula Canyon. Comment
  JOTR31910  Erodium cicutarium La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2156 Riverside Joshua Tree National Park. North Hexie Mountains; sandy pediment bajada surrounding granitic outcrops near Stirrup Tank parking lot Comment
  RSA613643  Erodium cicutarium D. L. Banks, Victor W. Steinmann 1997-3-13 1476 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
  SEINET269332  Erodium cicutarium Karen Kirtland 1993-6-19 Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles south of the San Jacinto Riv 430 Comment
  UC1523678  Eryngium aristulatum var. parishii Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60649 Riverside s. side Mesa de Colorado (Santa Rosa Plateau); , Mesa de Colorado 625 Comment
  CAS-BOT-BC54328  Erysimum capitatum G. B. Rossbach 1955-4-22 584 Riverside Juniper Flat, north side of Little San Bernardino Mountains. 1432 Comment
  CAS-BOT-BC54333  Erysimum capitatum Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit. Comment
  SD71845  Erythranthe cardinalis Helen V. Witham 1969-7-2 208 Riverside Edge of stream, Sandia Creek, on road from De Luz to Murietta 299 Comment
  CHSC105717  Erythranthe diffusa P. A. Munz; I. M. Johnston 1922-5-20 5467 Riverside Kenworthy, San Jacinto Mountains 1463 Comment
  RSA0022937  Eschscholzia androuxii Robert F. Thorne, Raymond Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55436 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  CAS-BOT-BC403361  Eschscholzia californica P. A. Munz; R. D. Harwood 1920-2-28 3271 Riverside 3 mi west of Corona 304 Comment
  UC68548  Eschscholzia californica H. M. Hall 1905-4-13 5753 Riverside Beaumont Comment
  UCR777  Eschscholzia californica Joe Buriel 1966-3-12 s.n. Riverside Off Van Buren Avenue, 1 mi. east of Mockingbird Canyon Road turnoff 457 Comment
  RSA0063039  Eschscholzia californica Andrew Haimov, April Sleigh 1992-5-19 93 Riverside North side of Ramona Expressway, 1/4 mile east of Davis Road. Comment
  RSA3965  Eschscholzia glyptosperma Carl B. Wolf 1932-4-29 3104 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  UCSB3647  Eschscholzia minutiflora Haller, John 1957-3-23 Riverside ca.4.5 rd. mi. N. of US 99; 3 air mi. S. of Riverside-San Bernardino Co. line 609 Comment
  UCD96467  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 261 Riverside California. Riverside County: Joshua Tree National Park. 540 Comment
  JOTR31770  Eschscholzia parishii Andre, Jim, Tasha La Doux 2009-3-10 11234 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  UC1093128  Eschscholzia parishii Richard Snow 1952-4-13 7 Riverside Box Canyon Orocopia Mts. Comment
  UC855187  Eschscholzia parishii Alice Eastwood 1913-4-30 3080 Riverside Palm Springs Palm Canyon Comment
  UCR167412  Eschscholzia parishii John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR233153A  Eschscholzia parishii Jim Andre, Glenn L. Clifton 2011-2-22 17459 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR41840  Eschscholzia parishii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6061 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA0010853  Eucalyptus camaldulensis J. Lyman 1989-2-9 89 -1 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  IRVC27459  Eucalyptus gomphocephala A. C. Sanders, O. F. Clarke 1992-3-17 12069 Riverside University of California, Riverside Comment
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Sep 10 2011
  RSA516880  Eucrypta chrysanthemifolia Steve Boyd 1986-3-1 1363 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UCR156080  Eucrypta chrysanthemifolia T. B. Salvato, Kent Beaman 2005-5-16 822 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
  UCR107414  Eucrypta chrysanthemifolia var. chrysanthemifolia B. G. Pitzer 1997-3-23 2954 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
  UCR98684  Eucrypta chrysanthemifolia var. chrysanthemifolia 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
  RSA425013  Eucrypta micrantha J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  RSA0042473  Euphorbia Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 56 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  CAS-BOT-BC310320  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  UCR245990  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  RSA735323  Euphorbia eriantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11262 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
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Jun 20 2011
  RSA608560  Euphorbia lurida R. S. Woglum 1941-6-12 3054 a Riverside Idyllwild. Comment
  UCR92289  Euphorbia maculata Scott D. White, Michael A. Patten 1995-8-16 3549 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  RSA697592  Euphorbia palmeri J. R. Bruff 1934-7-5 991 Riverside San Jacinto Mts. 2591 Comment
  UC17653  Euphorbia palmeri Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  SD229140  Euphorbia polycarpa Dick Schwenkmeyer 2012-11-6 866 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
  UCD157859  Euphorbia polycarpa Ann F. Johnson 1975-11-11 N- 1299 Riverside Deep Canyon Research area, a biological field station of the University of California, Riverside and the Natural Reserve System; five miles south of the City of Palm Desert. Just SW of labs. Comment
  UCR120563  Euphorbia polycarpa Helen Kennedy, T. B. Salvato 2002-2-2 5448 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  RSA432478A  Euphorbia polycarpa var. hirtella H. de Forest, Jack Rempel 1934-4-15 s.n. Riverside Jaquitz Canyon floor. 183 Comment
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Mar 15 2014
  RSA0015426  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 2487 a Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCD142492  Euphorbia spathulata Robert F. Thorne; Earl Lathrop 1969-5-12 37934 Riverside Rancho California; Santa Rosa Plateau; Mesa de Colorado. 624 Comment
  CHSC2042  Fagonia laevis V. Holt 1942-3-28 Riverside Comment
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Feb 16 2013
  CLARK-A1656-734  Fagonia laevis 1979-3-11 Riverside Coachella Valley Comment
  POM182066  Fagonia laevis Philip A. Munz 1932-3-14 11982 Riverside Colorado Desert, Coachella Valley, Deep Canyon. 152 Comment
  RSA775960  Fagonia laevis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 808 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UC963827  Fagonia laevis Helen K. Sharsmith 1952-4-11 4062 Riverside nw base Chuckwalla Mountains (7 mi s of Highway 60-70); Colorado Desert 533 Comment
  JOTR31929  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2169 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  SBBG59918  Fagonia pachyacantha D. F. Howe 1980-4-16 Riverside Corn Springs Rd, 4 mi S of Interstate 10; Chuckawalla Mtns 335 Comment
  UCR68867  Festuca microstachys Steve Boyd, T. S. Ross 1990-5-11 4700 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UCR85179  Festuca microstachys A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16176 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  LA13148  Festuca octoflora A. M. Johnson; 1932-3-19 3885 Riverside below Palm Springs Comment
  UCR90808  Festuca octoflora A. C. Sanders, G. K. Helmkamp 1996-3-17 17993 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  SEINET10516217  Festuca ovina David B. Dunn, Shogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3705 Riverside Pushawalla; in the wash Indio Hills, Colorado Desert. Comment
  RSA501077  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3195 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA716822  Filago californica A. C. Sanders, Teresa B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  POM254733  Filago depressa P. A. Munz 1940-3-23 15688 Riverside north end of Pinto Basin 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
  UC1478695  Flaveria trinervia Mark Tavianini 1977-10-23 Riverside Mickinley St., 1 mi n of 91 Freeway; La Sierra area Comment
  RSA69885  Forestiera pubescens F. W. Peirson 1922-5-21 3044 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  CLARK-A1528-1145  Fouquieria splendens John C. Roos 1946-12-21 3192 Riverside Deep Canyon 274 Comment
  POM122449  Fouquieria splendens Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA668339  Fouquieria splendens C. R. Annable, Lee Barron 1995-3-11 2269 Riverside Cactus City rest stop on I-10. Comment
  RSA0018936  Frangula californica subsp. cuspidata Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 695 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1931061  Frangula californica subsp. cuspidata Scott D. White, Justin Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  RSA0018439  Frangula californica subsp. cuspidata Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  CLARK-A1656-660  Franseria dumosa Lois Ann Scott 1978-11-17 Riverside San Jacinto Mountains 152 Comment
  RSA735984  Fraxinus dipetala Scott D. White, Justin M. Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  UCR102858  Fritillaria biflora A. C. Sanders 1997-4-3 20166 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA776512  Funastrum hirtellum Amber Swanson, Duncan S. Bell 2011-3-10 212 Riverside Shaver's well in Box Cyn in the Mecca Hills 304 Comment
  SEINET8481390 Image available Funastrum hirtellum Andrew C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40635 Riverside Sonoran (Colorado) Desert; Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR260225  Funastrum hirtellum A. C. Sanders, Jim Malusa 2015-3-11 41406 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  JOTR32026  Funastrum utahense La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2256 Riverside Joshua Tree National Park. Pinto Basin, near Turkey Flats back country parking lot; open gravelly flats (Stop 4) 518 Comment
  POM172216  Galium andrewsii subsp. andrewsii M. French Gilman 1928-5-27 1155 Riverside Banning. Comment
  RSA500082  Galium andrewsii subsp. andrewsii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3230 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UCR174232  Galium angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32667 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
  SBBG68828  Galium angustifolium subsp. angustifolium R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  POM367763  Galium aparine N. C. Cooper 1944-6-17 1376 Riverside San Jacinto Mtns. West side. 1372 Comment
  UC1929476  Galium porrigens Scott D. White, Michael Honer 2003-6-3 9476 Riverside San Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  HSC66550  Galium stellatum subsp. eremicum Christopher Davidson 1979-4-4 7718 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA46491  Galium trifidum Doris K. Kildale 1925-7-28 1098 Riverside Riverside. 46 Comment
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Mar 22 2014
  UCR157945  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 914 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
  RSA597531  Garrya flavescens Louis C. Wheeler 1960-5-9 7687 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  SD229183  Garrya flavescens Dick Schwenkmeyer 2012-8-6 769 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UC1871081  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Peninsular Ranges; Palomar Mountains region; 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 rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  SD42278  Garrya flavescens subsp. pallida Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts., east side, alonmg Eagle Motor Way, 1 mi below summit Comment
  RSA444788  Garrya flavescens var. pallida J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona. Comment
  RSA750739  Garrya veatchii Scott D. White, Justin M. Wood 2009-5-22 12906 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds. Comment
  UCR2435  Gastridium ventricosum F. M. Reed 1926-5-15 5340 Riverside Peninsular Range; Perris/Aguanga Basin Region, Menifee Valley, west of Menifee schoolhouse [which was at corner of corner of Newport and Bradley Roads] 457 Comment
  SBBG61255  Gayophytum racemosum R. Hoffmann 1929-9-5 Riverside Tahquitz Ridge Comment
  RSA0012050  Gazania linearis Steve Boyd, Susan Jett 2008-3-20 11833 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  CAS-BOT-BC303579  Geraea canescens Ira L. Wiggins 1941-3-24 9570 Riverside 0.3 mile S of Myoma, 4.6 miles N of Indio Comment
  RSA5157  Geraea canescens C. B. Wolf 1932-4-26 2968 Riverside 3 mi. east of Mecca on Blythe Road 0 Comment
  SEINET7910438  Geraea canescens P. L. Packard 1976-1 25 Riverside 6 mi W of Blythe on Interstate 10 Comment
  UC53923  Geraea canescens F. Gilman 1902-1 38 Riverside Palm Springs Comment
  RSA715242  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
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Jul 14 2008
  UCR118391  Gilia A. C. Sanders 1994-5-29 14583 Riverside Morongo Indian Reservation, along Fields Road in front of the Malki Museum, north of Morongo Road. 725 Comment
  RSA525457  Gilia angelensis Steve Boyd, Dave Bramlet 1990-4-29 4502 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SEINET7073399  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR59134  Gilia angelensis N. M. Fellows 1985-3-16 112 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts Comment
  UC916692  Gilia capitata subsp. abrotanifolia Frank W. Gould 1944-4-4 2205 Riverside 2.3 mi s Corona; s of Corona Comment
  POM229450  Gilia diegensis P. A. Munz 1937-5-30 15082 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  RSA171358  Gilia diegensis J. D. Olmsted 1962-5-3 3530 Riverside Santa Rosa Indian Reservation, following SW flank of mountains; 1/2 mi. SE of turn up to old Indian Village. 1768 Comment
  UCSB40410  Gilia micromeria C. Ochs 1980-3-25 3 Riverside 15 MI W OF VAIL LAKE (N SIDE OF CA HWY 79) 274 Comment
  RSA0016275  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside Lower Bee canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA0016285  Gilia ochroleuca subsp. exilis H. M. Hall 1901-06 2060 Riverside The vicinity of Chalk Hill 1524 Comment
  UCR52070  Gilia sinuata D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  UCR100177  Gilia splendens Scott D. White 1994-4-23 2039 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
  JOTR30698  Gilia stellata La Doux, Tasha 2008-2-4 1753 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash, Stop 2. 778 Comment
  JOTR35208  Gilia stellata Harding, Mitzi, Tasya Herskovitz 2011-4-20 185 Riverside Joshua Tree National Park. Burned slopes above Keys View parking area 1597 Comment
  UCR146271  Gilia stellata J. M. Porter, Et al. 2001-4-2 12343 Riverside Colorado Desert; Western Colorado Desert region, Coachella Valley, c. 1 mi east of Desert Hot Springs, Long Canyon, on W side of Long Canyon Road 396 Comment
  UCR162851  Gilia stellata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 239 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, W edge of main canyon near the BLM gate 534 Comment
  PASA732  Gilia virgata Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  RSA716722  Githopsis diffusa Fred M. Roberts, Robert Allen, Chris Barnhill 2003-4-26 5660 Riverside Upper San Juan Canyon, along San Juan Loop Trail, 0.8 km NNW Upper San Juan Campground. 520 Comment
  RSA585812  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0346 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
  RSA356631  Gnaphalium californicum R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47316 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro: E side of Mesa 609 Comment
  RSA562490  Gnaphalium californicum Steve Boyd, Tim Ross 1992-5-5 7246 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  UCR22025  Gnaphalium californicum Steve Boyd 1980-5-11 258 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
  RSA736923  Gnaphalium canescens Scott D. White, Angelia Carey, Linca Archa 2004-8-5 10671 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
  UCR113185  Gnaphalium canescens A. C. Sanders 1998-1-15 21645 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR166169  Gnaphalium canescens John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR27180  Gnaphalium luteoalbum A. C. Sanders, S. Hagopian 1981-5-20 2157 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  POM13636  Guillenia lasiophylla E. C. Jaeger 1922-3-18 1038 Riverside Travertine Rock, Colorado Desert Comment
  POM359188  Gutierrezia californica Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  SEINET6075286  Gutierrezia californica Unknown 1996-7-23 4357 Riverside Pinyon Flat Area Comment
  UCR104175  Gutierrezia californica Scott D. White 1997-5-25 5246 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  POM97003  Gutierrezia californica P. A. Munz 1926-5-2 10419 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  UC1213974  Gutierrezia microcephala Otto T. Solbrig 1958-8-1 2807 Riverside Morongo Valley Riverside/San Bernardino County line; data in packet says It grows in the canyons and more rocky places. Not in low elevations. Comment
  SEINET10948021  Gutierrezia microcephala A. K. Evans 1976-4-13 Evans 5208 Riverside Desert canyons of Santa Rosa Mountains. Comment
  POM183987  Gutierrezia sarothrae P. A. Munz 1932-10-16 12851 Riverside Indio to Vandeventer Flat. 1067 Comment
  RSA0066609  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4110 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
  UCR102871  Harpagonella palmeri A. C. Sanders 1997-3-26 20116 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  RSA0066635  Harpagonella palmeri D. L. Banks, S. D. Boyd 1995-5-9 398 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UC1979626  Hazardia squarrosa var. grindelioides D. L. Banks, Steve Boyd 1995-10-17 0787 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  CAS-BOT-BC306527  Helenium bigelovii S. B. Parish; W. F. Parish 1880-7-1 532 Riverside San Jacinto Comment
  RSA2830  Helianthemum scoparium var. aldersonii J. T. Howell 1928-7-8 1046 Riverside Santa Ana Mountains above Glen Ivy 1220 Comment
  RSA655230  Helianthemum scoparium var. scoparium Scott D. White 1999-11-12 7629 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA357134  Helianthemum scoparium var. vulgare R. F. Thorne 1969-10-25 41853 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  UCR22006  Helianthus annuus Steve Boyd 1980-9-8 347 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC217925  Helianthus gracilentus P. A. Munz 1922-6-25 5821 Riverside between Hemet Valley and Vandeventer; San Jacinto Mts. 1432 Comment
  SBBG101685  Heliotropium curassavicum var. oculatum S. Boyd, T. Ross, D. Zippin, T. Oberbauer 1991-6-14 6332 Riverside Skunk Hollow area, 2 mi E of Murrieta Hot Springs, just W of Second San Diego Aqueduct Comment
  RSA710826  Hemizonia fasciculata A. C. Sanders 2005-5-4 29842 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR260553  Hemizonia fasciculata T. B. Salvato, Matt Malle 2014-5-29 8017 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA674810  Hemizonia paniculata Scott D. White 2001-6-29 8629 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  RSA688835  Hemizonia paniculata Scott D. White, Michael Honer 2003-6-17 9553 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  SEINET1907213  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-1 6702 Riverside Granitie Knolls and Mesas of Riverside: South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR21142  Hemizonia paniculata Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR219986  Hemizonia paniculata A. C. Sanders, D. L. Sanders 2010-11-28 38698 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR232043  Hemizonia paniculata John F. Green 2008-4-15 0408- 06 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
  UCR266357  Hemizonia paniculata D. E. Bramlet 2005-6-28 3884 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR205989  Hemizonia pungens subsp. laevis Karen Kirtland, Stephanie Pacheco 2009-6-8 s.n. Riverside San Jacinto Valley, Ramona Blvd. near Potter Rd., SE of Sanderson Ave. and south of the Ramona Expressway, c. 0.5 mi. north of San Jacinto Reservoir and c. 2 miles south of Gilman Hot Springs 454 Comment
  UCR20805  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-14 270 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM14597  Hesperocallis undulata Bradley 1922-4-10 6 Riverside Near Mecca. Comment
  UC843918  Hesperocallis undulata Mrs. Bradley 1922-4-10 Riverside near Mecca Comment
  CLARK-A1528-4388  Hesperocnide tenella John C. Roos 1937-2-21 1296 Riverside La Sierra Comment
  UCR90751  Hesperocnide tenella Scott D. White 1995-4-5 2754 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA559362  Heterocodon rariflorum Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-13 7380 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  CLARK-A1528-241  Heterotheca grandiflora Fred B. Essig 1966-9-12 Riverside Riverside Comment
  PASA1743  Heterotheca grandiflora Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  RSA573022  Heterotheca sessiliflora subsp. echioides Steve Boyd 1986-4-22 1740 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UCR23733  Heterotheca sessiliflora subsp. echioides John C. Roos 1965-9-16 s.n. Riverside On State Street, near Florida St., in Hemet 486 Comment
  UCR92775  Heterotheca sessiliflora subsp. fastigiata F. M. Reed 1933-9-20 8083 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  UCR19102  Hibiscus denudatus John C. Roos, Lucille Roos 1949-4-6 4145 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  SEINET11993718  Hibiscus denudatus W. Knight, Knight, I. 1983-1 5404 Riverside Eagle Mts 244 Comment
  CAS-BOT-BC318752  Hieracium horridum Parrish No date on label. s.n. Riverside San Jacinito Comment
  SEINET212440 Image available Hilaria rigida N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-22 6461 Riverside Rice Valley 7 mi S-SW of Rice 274 Comment
  UCR2457  Hilaria rigida F. M. Reed 1931-4-11 6941 Riverside Sonoran (Colorado) Desert, Chuckwalla Mesa, 'eastern Mohave Desert', near Fullers Well [=Chuckwalla Well?] 598 Comment
  SDSU14245  Hirschfeldia incana Ingrid Poulin 2002-3-1 7 Riverside Santa Margarita Ecological Reserve; unpaved road approx. 100 ft. west of Red Mountain Truck Trail (0.8 miles from N. Stagecoach Lane). 229 Comment
  CAS-BOT-BC207505  Hoffmannseggia glauca Lillian S. Mott 1965-6-12 LM 657 Riverside Along highway 60-70, near Blythe Comment
  CAS-BOT-BC207506  Hoffmannseggia glauca Lewis S. Rose 1938-2-1 38014 Riverside Palowalla, 30 mi. e. of Desert Center 121 Comment
  CAS-BOT-BC207513  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  SD122905  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Road, 10.4 miles west of Rancho California, in wet sand along stream at the point where east branch of De Luz Creek first crosses the road Comment
  CAS-BOT-BC285037  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  SD140223  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74), open fields 459 Comment
  POM352490  Hordeum marinum subsp. gussoneanum Christopher Davidson 1977-5-25 5637 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  RSA688909  Hordeum murinum subsp. glaucum Scott D. White 2001-4-18 8354 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA544417  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross 1991-6-14 6385 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UC12391  Horkelia clevelandii H. M. Hall 1901-6-1 2291 Riverside Meadows in the vicinity of Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  RSA679102  Hulsea vestita subsp. callicarpha Mark Elvin, Victoria Jotikasthira, Ron Wehterford, Jason Wehterford 1996-5-10 173 Riverside San Bernardino National Forest Comment
  UC489000  Hulsea vestita subsp. callicarpha C. V. Meyer 1927-6-1 171 Riverside San Jacinto Mts. Comment
  UCR34975  Hulsea vestita subsp. callicarpha L. B. Ziegler 1967-5-31 142 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  UCR100578  Hydrocotyle umbellata A. C. Sanders, T. Tennant 1997-11-14 21598 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  UCSC001455  Hymenoclea salsola Peter Kamb 1948-4-11 867 Riverside Aqueduct Road 5 mi east of Garnet Aqueduct Road, Garnet - Coachella Valle 305 Comment
  RSA761283  Hymenoclea salsola var. salsola Thomas Stoughton, J. McConnaughy, Andrew Monks, M. Volke 2010-4-21 150 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  UC871762  Hypericum anagalloides P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  RSA458206  Hypericum androsaemum L. C. Wheeler 1931-10-4 210 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  UCR155826  Hypochaeris glabra John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR97886  Hypochaeris glabra A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19852 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  JOTR36090  Hyptis emoryi La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3317 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  POM118341  Hyptis emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA778135  Hyptis emoryi Jim Andre 2011-2-2 16209 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UC484284  Hyptis emoryi E. Braunton Jan. 1929 1023 Riverside Painted Canyon Mecca; Painted Canyon 45 Comment
  RSA48869  Imperata brevifolia J. C. Roos 1949-9-17 4655 Riverside 1 mile west of Whitewater Bridge along Hwy 99 396 Comment
  RSA0009749  Isocoma acradenia var. eremophila Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA0035716  Isocoma menziesii A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40961 Riverside Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 ) of Round Top Mtn. 770 Comment
  RSA199006  Isoetes orcuttii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37419 Riverside Santa Ana Mountains, Rancho California, Santa Rosa Plateau 609 Comment
  JEPS48840  Isomeris arborea Marjorie D. Clary 1932-4-10 898 Riverside Eagle Mountains Comment
  UC667309  Isomeris arborea Annie M. Alexander and Louise Kellogg 1941-5-12 2162 Riverside Eagle Mountains Colorado Desert (road to Black Eagle Mine) 670 Comment
  CLARK-A1528-2386  Isomeris arborea var. angustata John C. Roos 1967-3-25 Riverside Whitewater Canyon 457 Comment
  RSA716816  Iva axillaris subsp. robustior A. C. Sanders 2004-4-20 28213 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  JEPS44442  Ivesia callida H. M. Hall Sep 1923 2611 Riverside Tahquitz Peak; Mt. San Jacinto Comment
  RSA0005613  Ivesia callida Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  CAS-BOT-BC133230  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site. The site is 1768m south of Cabazon, and 762m north of the Colorado aqueduct 535 Comment
  UCD110257  Juglans californica Robert F. Thorne; Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60641 Riverside Santa Rosa Plateau: Santa Rosa Ranch headquarters. 563 Comment
  UCR247518  Juglans hindsii R. E. Riefner Jr. 2012-7-23 12- 322 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  UCR264609  Juncus Mitch Provance 2012-11-9 1112- 4 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  POM171413  Juncus acutus subsp. leopoldii I. M. Johnston 1930-6-15 3791 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  UCR132718  Juncus balticus A. C. Sanders, O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR231756  Juncus balticus John F. Green 2008-4-23 07- 01 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  UCR275577  Juncus balticus T. B. Salvato, Jennifer Weiland 2005-6-13 605- 2 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR59802  Juncus balticus Jeri Hirshberg 1989-7-14 s.n. Riverside Lake Perris, east end of lake 488 Comment
  POM14373A  Juncus bryoides Phillip A. Munz 1922-5-20 5473 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
Read comments
May 29 2011
  UCR26145  Juncus bufonius John C. Roos 1952-4-30 5602 Riverside Edgemont, near Box Springs 488 Comment
  UCR273789  Juncus bufonius Mitch Provance 2012-4-20 412- 24 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  CAS-BOT-BC110089  Juncus cooperi A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-4 15887 Riverside Colorado Desert, Salton Sink. Dos Palmas Spring and immediated vicinity. -30 Comment
  UC1922192  Juncus duranii Naomi Fraga, et al. 2006-7-11 1723 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR108836  Juncus effusus subsp. austrocalifornicus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  SD122852  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside DeLuz Road, 8 miles west of Rancho California, side canyon of Sandia Creek, in wet sand along stream. 305 Comment
  CAS-BOT-BC123242  Juncus tiehmii Barbara J. Ertter; Jeffrey L. Strachan 1979-6-26 2971 Riverside San Bernardino National Forest, San Jacinto Mountains 762 Comment
  CLARK-A1656-856  Juncus xiphioides Jon Mark Stewart 1983-11-14 83-62 Riverside Santa Rosa Mountains 822 Comment
  RSA192264  Juncus xiphioides E. W. Lathrop 1960-6-9 4966 Riverside 14 miles west of Murrieta. Comment
  POM119303  Juniperus californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA336053  Juniperus californica Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52078 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  CAS-BOT-BC234578  Justicia californica T. F. Daniel; K. Ullman; M. L. Butterwick 2006-2-19 10531 Riverside Philip L. Boyd Deep Canyon Desert Research Center, ca. 8 km south of Palm Desert. Coyote Creek 270 Comment
  CAS-BOT-BC234584  Justicia californica H. M. Hall 1905-4-16 5776 Riverside 7 mi. west of Coachella Comment
  HSC66619  Justicia californica Christopher Davidson, Josephine Jones 1980-4-4 9952 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  POM230839  Justicia californica I. W. Clokey 1933-4-17 6888 Riverside Cottonwood Springs. Comment
  RSA5372  Justicia californica B. D. Stark 1932-6-17 3753 Riverside East end of Box Canyon, Colorado Desert. 183 Comment
  UCR242299  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40425 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  CAS-BOT-BC235495  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CAS-BOT-BC235496  Keckiella antirrhinoides B. Pitzer 1997-3-23 2956 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  CAS-BOT-BC235503  Keckiella antirrhinoides Philip A. Munz 1937-5-29 15149 Riverside Deep Canyon, north slope of Santa Rosa Mts. 1066 Comment
  POM4282  Keckiella antirrhinoides L. T. Street 1917-5-15 1932 Riverside Between Elsinore and Perris. Comment
  RSA298671  Keckiella antirrhinoides D. C. Michener 1982-5-5 4036 Riverside Northerly slopes along Temescal Canyonn Rd ca 1.1 miles southeast of Temescal Fire Station. Comment
  UC886790  Keckiella antirrhinoides I. W. Clokey and E. G. Anderson 1936-4-16 6885 Riverside e of Hemet (hillside along San Jacinto River) 600 Comment
  UCR174045  Keckiella antirrhinoides A. C. Sanders 2006-5-19 32448 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
  UCR241571  Keckiella antirrhinoides A. C. Sanders 2013-4-16 40803 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, below/NE of the intersection of McPherson Rd. and Keystone Dr. 450 Comment
  UCR77771  Keckiella antirrhinoides Steve Boyd 1991-5-10 6217 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  RSA496453  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3067 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  LA209342  Keckiella antirrhinoides subsp. microphylla Elizabeth McClintock; 1940-5-26 sn Riverside 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  JEPS100903  Keckiella antirrhinoides var. antirrhinoides Dean W. Taylor 1998-5-13 16429 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  UCR91349  Keckiella antirrhinoides var. antirrhinoides Scott D. White 1996-4-20 3957 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  POM10202  Keckiella rothrockii subsp. jacintensis Charlotte M. Wilder 984 Riverside Above Round Valley. Comment
  UCR91306  Kochia scoparia Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  RSA560845  Koeleria macrantha Steve Boyd, Timothy S. Ross 1992-5-4 7177 -B Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM182416  Krameria grayi E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  RSA408603  Krameria grayi Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  RSA787590  Krameria grayi Andrew Monks, J. McConnaughy, M. Volke 2010-1 35 Riverside McCoy Wash. Road going N from Black Rock Rd. S side of private boundary. N of I-10. 244 Comment
  UCR228387  Krameria grayi Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-5-25 218 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  JOTR01074  Krameria grayi Cole, James E. 1941-5-22 768 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  UC68945  Laennecia coulteri H. M. Hall 1905-4-1 5941 Riverside Paloverde Valley Colorado Desert,Paloverde Valley 76 Comment
  JEPS48457  Lamarckia aurea W. L. Jepson 1939-4-17 19120 Riverside 2 mi s of Corona (on road to Temecula) Comment
  UCR232032  Lamarckia aurea John F. Green 2008-4-15 0408- 18 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
  POM12138  Lamarckia aurea Mary F. Spencer 1921-5-28 s.n. Riverside Near San Jacinto 549 Comment
  UCR50574  Langloisia schottii B. G. Pitzer 1988-3-10 0641 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  SBBG64743  Langloisia setosissima subsp. setosissima M. N. Ackley 1928-4-1 Riverside between Indio and Palm Springs 60 Comment
  LA209861  Larrea tridentata Harlan Lewis; 1935-4-7 sn Riverside Palm Springs 138 Comment
  RSA0117856  Larrea tridentata Sarah J. J. De Groot, Rachel Darney-Lane 2016-5-5 7896 Riverside North side of Mecca Hills, north of Shaver's Well and Meccacopia Trail, south of Interstate 10, Shaver's Valley, east-northeast of Mecca. Along Box Canyon Road ca. 5.85 miles west-southwest of Mecca/Cottonwood exit (168) from I-10. 319 Comment
  SD229308  Larrea tridentata Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 883 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  UCR16343  Larrea tridentata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  UCR196381  Larrea tridentata Naomi Fraga, Lisa Rojas 2005-2-10 1373 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR214417  Larrea tridentata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37501 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  CAS-BOT-BC338935  Lasthenia californica John H. Thomas 1957-3-29 6520 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  RSA0035241  Lasthenia chrysostoma Andrew Haimov, April Sleigh 1992-4-20 76 Riverside 150 meters east of Davis Road, 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA674933  Lasthenia coronaria Scott D. White, Tasha La Doux 2000-4-23 7718 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  UCR103910  Lasthenia coronaria B. G. Pitzer 1997-4-11 3120 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR280722  Lasthenia glabrata subsp. coulteri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 19 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UC62998  Lasthenia glabrata subsp. coulteri H. M. Hall 1933 Riverside Meadows of Coahuilla Valley Comment
  RSA501051  Lasthenia gracilis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3170 C Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA716421  Lasthenia gracilis Scott D. White 2006-4-27 11307 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  SBBG103913  Lasthenia gracilis S. D. White 1993-4-20 1215 Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR178150  Lasthenia gracilis T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 916 Riverside San Bernardino Mtns., Morongo Indian Reservation, Burro Flats 1189 Comment
  UCR85534  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 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
  RSA488923  Lathyrus vestitus subsp. laetiflorus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UC15388  Lathyrus vestitus var. alefeldii H. M. Hall Jun 1901 2222 Riverside Onstatt Valley San Jacinto Mountains 1463 Comment
  UCR234280  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  CAS-BOT-BC379626  Layia platyglossa Carl B. Wolf 1935-4-7 6307 Riverside Gavilan Hills Region. 2 mi. SW of Perris, Rancho Santa Ana Botanic Garden 426 Comment
  UC62906  Layia platyglossa H. M. Hall 1902-4-7 2758 Riverside vicinity Winchester 426 Comment
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Mar 20 2011
  UCR214905  Layia platyglossa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37679 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR250572  Layia platyglossa A. C. Sanders 2014-4-18 41035 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  CLARK-A1528-70  Leersia oryzoides John C. Roos, Lucille Roos 1951-10-24 5345 Riverside Riverside 259 Comment
  RSA234095  Lemna gibba Robert F. Thorne, E. W. Lathrop 1969-6-6 39344 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  SD248446  Leonotis nepetifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41433 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles E of Cabazon, c. 1.25 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 427 Comment
  UCR113899  Lepidium chalepense Mitch Provance 1998-4-13 431 Riverside City of Riverside, Vacant lot on corner of California Ave. and Monroe St. in the Arlington area of Riverside 229 Comment
  UC710906  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash Cottonwood Springs Comment
  JOTR16713  Lepidium fremontii var. fremontii Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON, ABOVE CHOLLA GARDEN Comment
  UCR245663  Lepidium fremontii var. fremontii Duncan S. Bell 2010-4-2 691 Riverside Arica Mountains: along the ridgeline of the mountain range about 0.3 air mile north of the summit 561 Comment
  RSA778243  Lepidium lasiocarpum Duncan S. Bell 2009-3-8 48 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR116598  Lepidium lasiocarpum A. C. Sanders 2001-4-8 23988 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
  UCR266358  Lepidium lasiocarpum D. E. Bramlet 2005-6-28 3886 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  RSA777544  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 904 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SDSU14133  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  UCR251304  Lepidium nitidum T. B. Salvato, Matthew Malle 2014-4-8 7829 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills, above an old horse track, c. 0.2 mi north of the junction of Temescal Canyon Road and Concordia Ranch Road 377 Comment
  CAS-BOT-BC13022  Lepidium virginicum Peter H. Raven; Sidney R. Snow 1956-6-30 9528 Riverside 4.7 miles east of Temecula on Highway 71. Comment
  CAS-BOT-BC60106  Lepidium virginicum var. menziesii Frank W. Peirson 1922-5-21 3031 Riverside San Jacinto Mountains. Hemet Valley. 1356 Comment
  RSA655038  Lepidium virginicum var. pubescens Scott D. White 1999-7-9 7535 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  RSA613632  Lepidium virginicum var. robinsonii D. L. Banks, Victor Steinmann 1997-3-13 1485 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
  JEPS5749  Lepidospartum squamatum Rimo Bacigalupi and L. R. Heckard 1953-5-5 4069 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  POM46897  Lepidospartum squamatum Mary F. Spencer 1918-4-1 776 Riverside Andreas Valley near Palm Springs, Colorado Desert. 152 Comment
  SEINET3147931  Lepidospartum squamatum L. S. Rose 1938-12-20 38332 Riverside 3 mi. SE of Palm Springs Station, Whitewater Wash 274 Comment
  UC1303164  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside mouth of Whitewater Wash 304 Comment
  UCR116305  Lepidospartum squamatum B. G. Pitzer 1998-2-1 3450 .2 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA0106416  Lepidospartum squamatum Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed between Riverside Ave & Market St. Bridge. Comment
  UC1123902  Leptodactylon californicum R. St. John 1929-3-12 13 Riverside Potrero Creek; Elsinore Quad., Potrero Creek Comment
  UC23803  Leptodactylon pungens H. M. Hall June, 1901 2329 Riverside near Tahquitz (Southern California); San Jacinto Mountains, near Tauquitz 2499 Comment
  CAS-BOT-BC227052  Leptosiphon floribundus subsp. glaber Edmund C. Jaeger 1919-5-10 s.n. Riverside Rockhouse Canon [Canyon], southern Riverside Co. 457 Comment
  POM364642  Leptosiphon liniflorus N. C. Cooper 1949-6-29 4324 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  SD73177  Leptosiphon parviflorus D. F. Howe 1969-5-15 Riverside Hear Dripping Springs Camp 456 Comment
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Mar 6 2013
  SD215408  Leptosyne californica Steve Boyd, Tim Ross and Laurel Arnseth 1990-3-30 3974 Riverside Vail Lake area, valley betweenBlack Hills and Rocky Ridge. 701 Comment
  UCR107388  Lessingia filaginifolia B. G. Pitzer 1997-3-23 2969 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  CAS-BOT-BC339360  Lessingia glandulifera var. glandulifera Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  POM253439  Lessingia glandulifera var. glandulifera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA793267  Lessingia glandulifera var. glandulifera Aaron C. Sedgwick, April Garbat 2012-5-5 97 Riverside West of San Jacinto Forest Service land and south of Hwy. 74. Entry point is from an unmarked road just ~1000 ft. west of the ranger station. Continue through citrus groves to BLM land located in a canyon south of the groves. 610 Comment
  UC1287412  Lessingia glandulifera var. glandulifera A. P. Nelson, D. Kaplan 1960-8-13 666 Riverside 1 mi s of Idyllwild; Toll Gate Road Comment
  RSA561100  Leymus triticoides Steve Boyd, D. E. Bramlet 1992-5-12 7333 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  RSA708047  Leymus triticoides Scott D. White, Angelia Carey 2004-5-7 10350 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCD87572  Leymus triticoides H. M. Hall 1904-5-19 4959 Riverside Fairmount Park. 243 Comment
  RSA768502  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC52868  Linanthus aureus H. M. Hall 1902-4-12 2836 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert 152 Comment
  CAS-BOT-BC225698  Linanthus californicus T. Craig 1927-4-23 207 Riverside Glen Ivy Comment
  RSA773661  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-20 1024 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UCR49263  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM65865  Linanthus dianthiflorus subsp. dianthiflorus H. M. Hall 1902-04 2942 Riverside Vicinity of Riverside 366 Comment
  RSA0122716  Linanthus floribundus subsp. hallii Duncan S. Bell, LeRoy Gross 2016-3-30 9154 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
  RSA776959  Linanthus jonesii Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 908 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR236901  Linanthus lemmonii Duncan S. Bell, Valentin Arvizu 2010-5-10 975 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  RSA646296  Linanthus liniflorus Orlando Mistretta, Mark Elvin 1995-6-19 1778 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  RSA741064  Linanthus liniflorus Scott D. White, Justin M. Wood 2008-6-5 12071 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  SEINET13709267  Linanthus nuttallii J. Adams, J. Adams (Botany) 1966-1 747 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  SD173066  Linanthus pungens Juergen Schrenk 2005-10-11 43 Riverside Santa Rosa Mountains, summit of Toro Peak 2640 Comment
  UCR116408  Linanthus pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 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
  RSA5003  Linaria canadensis var. texana Carl B. Wolf 1932-3-20 3 Riverside Richman Ranch, 2.5 miles no. of De Luz; S.W. Riverside County. 457 Comment
  UCR97499  Linaria canadensis var. texana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19875 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  HSC86138  Linum lewisii B. Freeman 1969-6-14 6906143 Riverside University of California James Reserve, San Jacinto Mtns., E of James House. Comment
  UCR20554  Linum lewisii W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA731074  Lithophragma affine subsp. mixtum Steve Boyd, Aydee Virgen 2004-4-13 10881 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SD233359  Lithophragma bolanderi Duncan S. Bell, Valentin Arvizu 2010-5-24 1099 Riverside Peninsular Ranges: San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approx. 2.8 air miles SE of junction of forest service road 6S04 and forest service road 6S13. Along an old road in an open forest with chaparral. 1381 Comment
  UCR18168  Loeflingia squarrosa A. C. Sanders 1978-4-2 00270 Riverside Sonoran (Colorado) Desert, Coachella Valley, Deep Canyon Reserve - south of Palm Desert. Alluvial fan near the Boyd Research Center 366 Comment
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  RSA340182  Loeseliastrum matthewsii R. F. Thorne, W. A. Tilforth 1980-5-28 54184 Riverside Rocky, W-facing slope of Whitewater ridge above old bridge. Comment
  RSA562060  Loeseliastrum matthewsii Steve Boyd, C. Boyd, Kyle A. Boyd 1992-4-19 6923 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA800112  Loeseliastrum matthewsii Duncan S. Bell 2013-4-7 4761 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UC880237  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 1/2 mi. below Cottonwood Spring Comment
  UC1563039  Logfia arizonica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3043 Riverside 0.75 mi nw dam (s flank Oak Mountain); Vail Lake area 621 Comment
  RSA512171  Lolium perenne Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  JEPS17570  Lomatium utriculatum W. L. Jepson 1914-5-25 6079 Riverside e. Redlands (<San Timotes> Canyon); San <Timotes> Canyon Comment
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Sep 3 2011
  UCR48488  Lomatium utriculatum Steve Boyd 1986-3-9 1381 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA356761  Lomatium vaginatum R. F. Thorne 1973-5-23 45532 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  JEPS24238  Lonicera interrupta Peter H. Raven 1958-5-17 12950 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR47045  Lonicera interrupta Karin Cleary 1987-5-14 31 Riverside Beaumont; W slope of the canyon where California St. ends; 1.5 km SW of its intersection with Hwy 79. 750 Comment
  UCR177636  Lonicera subspicata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR54454  Lonicera subspicata A. C. Sanders, E. J. Lawlor 1988-10-22 8733 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  JEPS12865  Lonicera subspicata var. denudata W. L. Jepson May 17 1901-Jun 1 1901 1560 Riverside near Temescal (Waller's Ranch) Comment
  LA204608  Lonicera subspicata var. denudata Harlan Lewis; 1938-7-10 sn Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  UCR4748  Lotus argophyllus Frank C. Vasek 1960-3-24 600324- 32 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  SDSU4300  Lotus grandiflorus unknown 1941-6-9 Riverside San Jacinto Mts. 1219 Comment
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Mar 17 2014
  UC218072  Lotus grandiflorus P. A. Munz and I. M. Johnston 1922-5-19 5403 Riverside 1 mi above mouth of Strawberry Creek; San Jacinto Canyon, Strawberry Creek 1219 Comment
  UC489022  Lotus grandiflorus C. V. Meyer 1929-6-13 751 Riverside Idyllwild Grade San Jacinto Mts. 1524 Comment
  RSA192130  Lotus hamatus E. W. Lathrop 1966-4-13 6148 Riverside De Luz Road between Murrieta and De Luz Comment
  IRVC26821  Lotus haydonii B. C. Templeton, I. W. Clokey 1930-4-9 1011 Riverside North of Palm Springs Colorado Desert 122 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
  RSA0018992  Lotus nevadensis Steve Boyd, Gary D. Wallace 2005-7-30 11657 -A Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA761321  Lotus nevadensis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 679 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET3131508  Lotus oblongifolius var. oblongifolius F. M. Reed 1908-7-13 2550 Riverside Tahquiz Valley (?), San Jacinto Mts. Comment
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Jul 30 2013
  UCR91341  Lotus procumbens var. procumbens A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13788 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  UCR21848  Lotus purshianus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR94920  Lotus purshianus var. purshianus Scott D. White 1996-6-15 4466 Riverside Peninsular Ranges, San Jacinto Mountains, Idyllwild area. Alvin Meadows and unnamed canyon upstream. 1585 Comment
  CLARK-A1528-2805  Lotus rigidus John C. Roos 1966-2-12 Riverside Chuckwalla Mountains Comment
  RSA498793  Lotus rigidus Robert L. Dressler 1949-3-19 425 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
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May 24 2012
  CSUSB1256  Lotus scoparius Shirley Hill 1963-3-30 630330 2 Riverside Road past old resevoir on UCR (University of California Riverside) campus about 10 yards downhill from turnaround Comment
  UCR102760  Lotus scoparius B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3583 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  SEINET10937013  Lotus scoparius Barbara J. Ertter, Jeffrey Strachen 1980-5-20 Ertter 3469 Riverside W side whitewater hill, e side whitewater wash, nw end of coachella valley n of I-10. Granitic sand, with encelia, psorothamnus, and other shrubs. T3s, sec 12, Nwsw. Much branched perennial herb. Flowers yellow. 457 Comment
  SEINET8721513 Image available Lotus scoparius Jean Coulson 1959-1 87 Riverside Box Spring Mts., .7 mi. N of Blane on Mt. Vernone W. of quarry, 10yrds. 1 Comment
  SEINET3559968 Image available Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-19 32433 Riverside Between Murrieta and Menifee Valley, west of I-215, South of Bundy Canyon/Scott Road, N of Clinton Kieth Rd. 518 Comment
  RSA136565  Lotus scoparius var. brevialatus P. H. Raven 1958-1-23 11416 Riverside Sandy wash along United States Highway 99 [Hwy 10], 8.6 miles west of Thousand Palms turnoff. Comment
  RSA406895  Lotus scoparius var. brevialatus N. C. Cooper 1944-4-8 1058 Riverside Andreas Canyon. 305 Comment
  RSA406904  Lotus scoparius var. brevialatus Robert Gustafson 1980-5-5 1571 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  CLARK-A1528-2806  Lotus strigosus John C. Roos 1952-4-9 5479 Riverside Riverside 259 Comment
  JEPS29296  Lotus strigosus Rimo Bacigalupi, and L. R. Heckard 1962-3-25 8391 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of the Santa Ana Mountains); Santa Ana Mountains 304 Comment
  UC1329864  Lotus strigosus James E. Cole 1941-5-4 693 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  UC15699  Lotus strigosus H. M. Hall Jun 1901 2059 Riverside vicinity Chalk Hill; San Jacinto Mountains 1584 Comment
  POM12932  Lotus strigosus var. hirtellus P. A. Munz 1922-6-27 5842 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA779021  Lotus strigosus var. strigosus Duncan S. Bell 2010-4-1 653 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  POM6855  Lotus strigosus var. tomentellus P. A. Munz, L. T. Street, G. Williams 1919-3-25 2318 Riverside Palm Canyon, Palm Springs. 229 Comment
  POM115637  Lotus tomentellus A. M. Alexander 1941-5-15 2186 Riverside Base of Eagle Mountains. 915 Comment
  CAS-BOT-BC196231  Lupinus albifrons var. eminens R. Hoffmann 1929-9-7 s.n. Riverside Strawberry Valley, San Jacinto Mt. 1645 Comment
  CDA27581  Lupinus arizonicus T. C. Fuller 1963-4-23 10280 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  CHSC108499  Lupinus arizonicus Naomi Fraga; Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert; Northeastern colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy. 177. 365 Comment
  JEPS64940  Lupinus arizonicus S. B. Parish 1920-3-25 20021 Riverside Murray Canyon Colorado Desert, Palm Springs (Palm Springs, Southern California) Comment
  JOTR34369  Lupinus arizonicus Andre, Jim 2012-4-16 20885 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  POM349963  Lupinus arizonicus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA457758  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SBBG55855  Lupinus arizonicus R. Gustafson 1978-3-21 843 Riverside Joshua Tree Nat Monument, ca. 3 mi from the jct of the rd leading through the park and Hwy 70 640 Comment
  UC1979880  Lupinus arizonicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-27 1079 Riverside Colorado Desert; Northeastern Clorado Desert region: Shavers Well area of Mecca Hills. Comment
  SEINET10870660  Lupinus arizonicus David B. Dunn 1947-3-15 Dunn 2883 Riverside Pushawalla Canyon, Indio Hills. In wash. None f the plants on the plateau or slopes reached maturity; all died from drought. Comment
  RSA507470  Lupinus bicolor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  SD186207  Lupinus bicolor T. B. Salvato, Melissa Clemons 2005-6-2 1356 Riverside Temescal Valley, Gavilan Hills, ca. 0.5 mile southeast of Steele Peak, 4.0 miles southwest of Perris. 573 Comment
  POM350066  Lupinus bicolor subsp. microphyllus N. C. Cooper 1945-5-24 1622 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC668418  Lupinus concinnus Annie M. Alexander and Louise Kellogg 1941-5-15 2180 Riverside n base Eagle Mountains; Colorado Desert, n base of Eagle Mountains 914 Comment
  UCR139092  Lupinus concinnus Scott D. White 1997-5-18 5158 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  LA205083  Lupinus excubitus Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  LA205059  Lupinus excubitus var. austromontanus Norman C. Cooper; 1944-6-17 2006 Riverside San Jacinto Mountains, above Banning 1219 Comment
  SEINET269555  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Jackrabbit Canyon E. of Moreno Valley and S. of Calimesa between state Hwy. 60 and Gilman Spr. Rd. west and north of 518 Comment
  SEINET2062637 Image available Lupinus formosus Norman C. Cooper 1945-5-5 2225 Riverside San Gorgonio Mts. Above Banning 914 Comment
  RSA0118396  Lupinus formosus Lyman Benson 1946-4-15 12012 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. Drainage Area: Pacific Slope. 609 Comment
  UCR107709  Lupinus hirsutissimus A. C. Sanders 1997-3-1 19736 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
  SD229159  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-6-27 737 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  OBI60546  Lupinus microcarpus var. densiflorus W. L. Jepson 1939-4-19 19211 Riverside 3 mi S of Aguanga 732 Comment
  UCR1038  Lupinus microcarpus var. densiflorus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Valley, along San Jacinto River wash, 3 mi. SE of San Jacinto on Mountain Avenue. 494 Comment
  UC1333276  Lupinus microcarpus var. densiflorus Charles B. Fiker 1947-4-18 3717 Riverside Highway 71, southern end Temecula area Comment
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Nov 5 2015
  CAS-BOT-BC207239  Lupinus peirsonii Lester Rowntree 1937-5-7 s.n. Riverside Alder Canyon Comment
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Sep 4 2019
  POM122476  Lupinus shockleyi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  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
  UCR85181  Lupinus sparsiflorus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16165 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 Comment
  RSA49174  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1949-4-13 13060 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  CSUSB1453  Lupinus succulentus Paul D. Wood 1970-4-19 Riverside Riverside, on a hillside at intersection of Indian Hill Road and Ladera Lane. 274 Comment
  POM9291  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-3-20 3371 Riverside 5 miles S of Corona 305 Comment
  RSA487545  Lupinus truncatus Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  RSA583371  Lupinus truncatus Steve Boyd, Darin L. Banks 1995-4-5 8427 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UCR120205  Lupinus truncatus Mitch Provance 1998-3-5 195 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR177177  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  HSC87255  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
  RSA0046718  Lycium andersonii Jim Andre 2014-1-27 26654 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA0126632  Lycium andersonii Duncan S. Bell 2016-3-4 8805 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
  RSA422100  Lycium andersonii N. R. Zabriskie, W. M. Zabriskie 1971-2-15 344 Riverside C. 30' up east-facing slope in 'North Canyon' Andreas Canyon watershed. 366 Comment
  UCD126592  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside 5 miles n.e. of Aguanga. Comment
  RSA719265  Lycium andersonii Michael Honer, L. Hulse 2004-4-3 1902 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
  UC495290  Lycium cooperi C. L. Hitchcock 1932-4-8 12217 Riverside 1 mi w Cottonwood Comment
  UC884602  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  JOTR36471  Lycium parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3440 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  UC519978  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek Chino Creek; Santa Ana River, Chino Creek 152 Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  RSA522296  Lythrum californicum Steve Boyd 1989-7-7 3766 Riverside Upper Temescal Canyon at SE end of Alberhill Mtn. S of I-15 at Nichols Rd. exit. Comment
  RSA708240  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  SD236216  Madia gracilis A. C. Sanders, Tim Thomas 2008-6-20 35557 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek (Idyllwild 7.5'Q) 1550 Comment
  CSUSB1367  Malacothamnus fasciculatus James K. Ryan 1968-5-10 Riverside 1.5 miles east of UC, Riverside. Comment
  CAS-BOT-BC345440  Malacothrix clevelandii Peter H. Raven 1958-5-17 12955 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA606378  Malacothrix clevelandii Jon E. Keeley 1994-4-22 25340 Riverside Shipley Reserve. 590 Comment
  RSA89027  Malacothrix clevelandii J. C. Roos, Lucille Roos 1954-5-15 6119 Riverside Summit of Reche Canyon 732 Comment
  UCR19711  Malacothrix clevelandii John C. Roos, L. Roos 1954-5-15 6119 Riverside summit of Reche Canyon 732 Comment
  UC75900  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside vicinity Riverside 487 Comment
  UCR112969  Malacothrix coulteri B. G. Pitzer, T. Tennant 1998-2-21 3534 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  OBI37418  Malacothrix glabrata M. rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 254 Riverside Big Morongo Preserve, S of Morongo Valley; W edge of the main cyn just below the BLM gate 533 Comment
  UCR116804  Malacothrix glabrata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23934 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 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
  CSUSB1015  Malva parviflora Leland R. Dykes 1962-4-22 46 Riverside Palomar Road at San Mateo Canyon turnoff, in Murrieta. Comment
  RSA699183  Malva parviflora Mary Edmunds 1932-3-24 s.n. Riverside McIntyre Ranch Oasis: Coachella Valley. Comment
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Jun 15 2012
  POM13095  Mammillaria tetrancistra P. A. Munz 1921-12-31 5012 Riverside Andreas Canyon, Palm Springs. Comment
  RSA662129  Marah macrocarpa Daniel Curran 1981-2-16 10 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  VVC290  Marrubium vulgare P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  RSA409843  Marrubium vulgare Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, open field. 579 Comment
  RSA736384  Matricaria globifera Scott D. White, Justin M. Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR232930  Matricaria occidentalis R. E. Riefner Jr. 2011-5-31 11- 62 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  UCR91862  Medicago lupulina A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18115 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR126368  Medicago polymorpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 676 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCD107933  Medicago sativa P. B. Kennedy 1921-11-1 s.n. Riverside Mecca. Comment
  SEINET238796 Image available Melia azedarach A. C. Sanders 1997-1 20616 Riverside Lake Skinner area; old house site at gated road junction into Shipley Reserve area ca. 1 km NE of Lake Skinner in mout 457 Comment
  JOTR29499  Melica frutescens La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1609 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  SEINET2473431 Image available Melica frutescens Andrew C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37745 Riverside Peninsular Range; Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 404 Comment
  RSA97127  Melica frutescens H. K. Buechner 1955-5-30 C- 86 Riverside 4 miles south of Palm Desert, north base of Santa Rosa Mountains Comment
  RSA36247  Melica imperfecta Frank W. Gould 1943-4-17 2132 Riverside 4 miles east of Elsinore Comment
  RSA403495  Melica imperfecta Ora M. Clark 1929-3-16 1700 Riverside San Jacinto Mountains Comment
  SD70932  Melilotus albus Helen V. Witham 1969-7-2 179 Riverside DeLuz Creek Crossing, 4 miles north of DeLuz 249 Comment
  SDSU19220  Melilotus albus Kristen Hasenstab, Dave Bailey 2008-8-7 185 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. Growing 1-3m from the edge of the river. 215 Comment
  SDSU13598  Melilotus indicus W. Miller 1972-8-10 Riverside Comment
  UCR251994  Mentzelia A. C. Sanders, T. B. Salvato 2014-7-2 41158 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR263246  Mentzelia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41469 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  UC140494  Mentzelia affinis C. F. Baker 1904-4-5 4141 Riverside Hemet Comment
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Jul 4 2010
  JEPS42806  Mentzelia involucrata W. L. Jepson 1927-4-12 11646 Riverside Mecca Hills, Painted Canyon 121 Comment
  JOTR29305  Mentzelia involucrata La Doux, Tasha, Mike Bell 2006-5-17 1382 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  SD241093  Mentzelia involucrata Dave Silverman 2010-3-30 7890 Riverside Southern McCoy Mountains, east bajada flank, 1.8 km west of Black Creek Road, 4.4 km north of I-10 and 7.0 km ENE of McCoy Pk. 174 Comment
  UCR112106  Mentzelia involucrata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23358 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  RSA0038374  Mentzelia involucrata A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  RSA440418  Mentzelia involucrata var. megalantha Elbert Benjamine 1929-4-7 126 Riverside Whitewater Canyon, Riverside County. Comment
  SD3161  Mentzelia laevicaulis Frank Stephens Jun 1920 Riverside 3.0 miles east of Morena. Comment
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Nov 19 2011
  UCD117398  Mentzelia veatchiana Geoffrey Levin 1975-4-26 488 Riverside Mayhew Canyon, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCR12578  Mentzelia veatchiana R. G. Sullivan 1972-5-13 720513- 5 Riverside San Jacinto Mtns., Route 243(road from Banning to Idyllwild), c. 9 mi. from [+- S of] Interstate Hwy 10. 1372 Comment
  UCR85567  Microseris douglasii subsp. douglasii Julie A. Greene 1993-4-17 1203 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR281248  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 38 Riverside Temescal Valley, East side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail. 361 Comment
  UCR241392  Microseris heterocarpa T. B. Salvato, Mike Landers 2013-3-21 7377 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
  RSA543862  Microseris lindleyi Steve Boyd 1991-5-13 6252 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  UCR128561  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23908 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  POM256714  Mimulus aurantiacus var. pubescens W. Pequegnat 1940-6-19 s.n. Riverside Pleasants Pk. (Sugarloaf Pk.) 1220 Comment
  UC1537440  Mimulus aurantiacus var. pubescens Gordon H. True Jr. 1935-4-1 192 Riverside Box Springs 396 Comment
  UCSB26695  Mimulus aurantiacus var. pubescens Wilken, Dieter 1969-5-9 Riverside Hidden Valley Campground; Lost Horse Valley; 14 miles south of Joshua Tree; Joshua Tree National Monument Comment
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May 1 2015
  LA209128  Mimulus aurantiacus var. puniceus W. E. Pequegnat; 1939-4-8 43 Riverside Santa Ana Mts Comment
  UCR86864  Mimulus bigelovii A. C. Sanders, K. C. Rose 1995-4-27 16745 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  JOTR28875  Mimulus bigelovii var. bigelovii La Doux, Tasha, Bill Truesdell 2004-3-17 1110 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA408056  Mimulus bigelovii var. bigelovii Christopher Davidson 1979-4-4 7725 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA420969  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3254 Riverside Mecca Pass east of Indio. 549 Comment
  UCR19077  Mimulus bigelovii var. bigelovii John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR50882  Mimulus bigelovii var. bigelovii A. C. Sanders 1988-5-11 7803 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCR137182  Mimulus diffusus Victor Duran 1932-5-18 3220 Riverside San Jacinto Mtns., Idyllwild 1677 Comment
  UCR217534  Mimulus diffusus Diane Menuz 2008-4-28 433 Riverside Peninsular Range, Palomar Mts area, east of Pechanga Indian Reservation. 1.7 km south of Hwy 79, south of Arroyo Seco Creek, c. 1.5 mi along Wildhorse Trail 563 Comment
  RSA614599  Mimulus floribundus A. C. Sanders, Steve Ogg 1994-7-28 15182 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  UCR14560  Mimulus fremontii var. fremontii T. Gull 1974-5-11 s.n. Riverside San Bernardino Mtns., Lower Banning Canyon Comment
  CLARK-A1528-865  Mimulus guttatus C. M. Flanagan 1973-5-31 OO 622 Riverside Morongo Indian Reservation 1158 Comment
  UCR41315  Mimulus guttatus N. M. Fellows, A. C. Sanders 1985-5-7 181 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
  RSA543841  Mimulus palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6304 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SBBG101796  Mimulus palmeri S. Boyd 1991-5-10 6207 Riverside Bedford Truck Trail on ridge between Bedford and McBribe Cyns 853 Comment
  CLARK-A1045-159  Mimulus pilosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR102757  Mirabilis bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3579 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  CAS-BOT-BC434687  Mirabilis laevis var. crassifolia M. McCollum 1976-6-10 2039 Riverside 8 mi. SSW of Yucca Valley 914 Comment
  JEPS29310  Mirabilis laevis var. crassifolia Rimo Bacigalupi and L. Heckard 1962-3-25 8405 Riverside near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from W); 3.3 miles NW of Alberhill along highway 71 304 Comment
  RSA0027992  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6102 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  JEPS61338  Mirabilis laevis var. retrorsa E. E. Schellenger May 1920 Riverside Canyon E of Coachella, Colorado Desert Comment
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Jun 18 2011
  RSA464821  Mirabilis laevis var. retrorsa M. B. Dunkle 1935-3-31 4432 Riverside Pinto Basin. 915 Comment
  UC68665  Mirabilis laevis var. retrorsa H. M. Hall Apr 1905 5798 Riverside 10 mi W of Coachella, Colorado Desert 91 Comment
  RSA0112094  Mirabilis laevis var. villosa Duncan S. Bell 2010-2-20 541 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  UCD125041  Monardella australis Mitch Provance; Steve Boyd, Lauren Raz 1998-8-13 998 Riverside Desert Slopes of the San Bernardino Mountains: ca 1.5 miles east of Cushenberry Springs. 1402 Comment
  POM10087  Monardella australis subsp. australis C. Epling s.n. Riverside San Jacinto Mtns., Tahquitz Valley Comment
  RSA83416  Monardella australis subsp. australis E. Peterson, J. Ewan 1930-9-1 2163 Riverside Summit of Mt. San Jacinto 3294 Comment
  UC104617  Monardella australis subsp. australis A. W. Anthony 1895-7-13 Riverside San Jacinto 2590 Comment
  CAS-BOT-BC220031  Monardella breweri subsp. lanceolata H. M. Hall 1896-8-28 340 Riverside San Jacinto Mountains. In Strawberry Valley 1600 Comment
  SEINET13948595 Image available Monardella lanceolata Carl B. Wolf 1932-1 3914 Riverside San Jacinto Mts. Point View, near Idyllwild. Alt 5400 ft. 1646 Comment
  RSA180471  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-5-27 5224 Riverside 6 miles west of Murrieta. Comment
  CAS-BOT-BC215453  Monardella linoides subsp. linoides H. M. Hall 1897-7-30 758 Riverside 20 mi. south of Palm Springs, Eastern base, along the borders of the Colorado Desert, San Jacinto Mountains Comment
  LA62723  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  SEINET10499560 Image available Monardella macrantha var. hallii Harvey M. Hall Hall 1936 Riverside Palomar Comment
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Jul 19 2020
  CAS-BOT-BC215497  Monardella nana Elizabeth McClintock 1941-7-15 115 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  LA96076  Monardella nana Elizabeth McClintock; 1940-6-30 18 Riverside near Pine Flats on The Banning-Idyllwild road Comment
  RSA733978  Monardella nana Keith E. Hoffmaster 1937-7-5 821 Riverside San Jacinto Mountains, Pine Flat. Comment
  RSA750395  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 31 Riverside 1/2 mile above Santa Rosa Springs, on Santa Rosa Mt. Road. Comment
  RSA750418  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 53 Riverside 5.75 miles from the Anza Monument turn off. Comment
  RSA78307  Monardella nana subsp. arida P. A. Munz, E. K. Balls 1952-8-21 17986 Riverside Road, Vandeventer Flat to Santa Rosa Peak. 2073 Comment
  SEINET10582420  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 58 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  RSA750271  Monardella nana subsp. tenuiflora Elizabeth McClintock, H. Lewis 1941-6-22 70 Riverside Stne Creek on the Banning-Idyllwild road. Comment
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Mar 1 2014
  RSA750315  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside San Jacinto Mts. on slope south of Strawberry Creek and west of Domengonio Flats. Comment
  UCR121352  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24610 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  SBBG8637  Monoptilon bellioides H. and M. Dearing 1937-4-10 1946 Riverside Thousand Palms Cyn Comment
  SD70775  Monoptilon bellioides David B. Dunn 1948-3-14 3773 Riverside Near Hidden Springs Ranch 5.0 miles south of the Indio Hills in the Colorado Desert. Comment
  SFV5019  Monoptilon bellioides F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Old excavated bench, Seven Level Hill about 11 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UCD134637  Monoptilon bellioides Geoffrey Levin 1976-3-27 692 Riverside Chino Canyon, west of Palm Springs. Alluvial fan of San Jacinto Mts. Salton Sea Basin drainage area. Colorado Desert. 396 Comment
  UCR30048  Monoptilon bellioides A. C. Sanders 1983-4-24 3799 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
  UCR4008  Monoptilon bellioides Val Chase 1965-3-7 3 B Riverside Western Colorado Desert, 6 miles NW of Thousand Palms on the road to Hidden Springs Ranch to the west of the road in high parts of a rocky wash 244 Comment
  RSA464453  Montia chamissoi H. E. Hasse 1892-7-2 s.n. Riverside San Jacinto. 3049 Comment
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Jun 21 2008
  UCD86560  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside and Vicinity spring brook above Fairmont Park. Comment
  UCR2779  Muhlenbergia asperifolia F. M. Reed 1906-8-19 1172 Riverside Santa Ana River bed near West Riverside Bridge 236 Comment
  CHSC61257  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. 487 Comment
  POM14366  Muhlenbergia microsperma P. A. Munz, D. Keck 1922-4-9 4749 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  SDSU12853  Muhlenbergia microsperma Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998F Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, northwest of bend in road. 262 Comment
  POM9051  Muhlenbergia microsperma P. A. Munz, Harwood 1920-2-28 3238 Riverside 2 mi. southeast of Corona 274 Comment
  UCR195801  Muhlenbergia porteri Tasha La Doux, J. Andre 2007-9-6 129 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCR264227  Muhlenbergia porteri A. C. Sanders 2015-9-11 41869 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  UCR272675  Muhlenbergia porteri Sarah J. De Groot, Duncan S. Bell 2015-9-21 7587 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  SD132481  Muhlenbergia rigens Scott White 1990-10-23 Riverside 8.5 mi. (airline) ENE of Temecula; E of De Portola Rd. on El Dorado Rd., freshwater marsh 487 Comment
  RSA527845  Muilla maritima Scott D. White 1991-5-13 91 -118 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  RSA771658  Muilla maritima Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4910 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
  UCR113539  Muilla maritima Mitch Provance 1998-6-6 692 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR92179  Muilla maritima D. L. Banks, Steve Boyd 1995-5-3 269 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SDSU13517  Myriopteris newberryi W. Miller with C. Mosse 1972-7-11 Riverside Comment
  RSA278972  Nama demissa Barry A. Prigge, L. Martinez 1978-3-23 2421 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA421100  Nama demissa M. B. Dunkle 1935-3-30 4418 Riverside Pinto Basin, Colorado Desert. 915 Comment
  UCD119564  Nama demissa var. demissa Geoffrey Levin 1976-3-27 691 Riverside Chino Canyon, west of Palm Springs. 396 Comment
  UCD87909  Nassella cernua Fred M. Reed 1906-3-17 927 Riverside Riverside. Tequesquito Arroyo at end of Chicago Ave. Comment
  RSA575823  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, norhteastern edge of the Gavilan Plateau on bouldery ridge (2427') to N of flats. Comment
  UCD87874  Nassella lepida Peter Kamb 1948-2-1 798 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. Upper Sonoran Zone. 304 Comment
  SD136793  Navarretia atractyloides Steve Boyd, Tim Ross 1992-6-10 7623 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 405 Comment
  SD146190  Navarretia atractyloides Andy C. Sanders 2000-5-25 23425 Riverside Menifee Valley; S of Newport Road and E of Bradley Road, 2 miles due East of Railroad Canyon Lake 438 Comment
  UCR95460  Navarretia atractyloides D. L. Banks, E. H. Banks, et al. 1996-6-6 1121 Riverside Agua Tibia Mtns, NW Palomar Mtns., NW foothills of Dorland Mtn, S end of Los Caballos Road, at the gate to the UC Emerson Oaks Reserve 451 Comment
  SEINET3087892  Navarretia fossalis Craig Reiser 1993-1 Riverside Comment
  UCR70682  Navarretia fossalis D. E. Bramlet 1991-6-19 2197 Riverside Perris-Aguanga Basin region, San Jacinto River area, about 600 m west of river and 1 km south of Lakeview Hot Springs. About 30 m south of MWD Colorado Aqueduct easement road, and 630 m east of intersection of Pozos Ave. and the MWD road. Population 30 m west of existing blueline channel 473 Comment
  UC1979541  Nemacladus longiflorus var. breviflorus Darin L. Banks, Steve Boyd 1995-5-3 222 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of Dripping Springd Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  SBBG125362  Nemacladus longiflorus var. longiflorus C. B. Hardham 1965-6-17 12952 Riverside Chimney Flats Rd, near Alvin Meadow, W of Idyllwild 1463 Comment
  JEPS22335  Nemacladus orientalis Peter H. Raven 1958-3-1 11748 Riverside 8.6 mi n Blythe (on U.S. Highway 95) Comment
  UC1051455  Nemacladus orientalis Herbert L. Mason 1952-4-7 14211 Riverside Palm Canyon; Palms Springs Comment
  UCR114125  Nemacladus orientalis B. G. Pitzer, J. Ross 1998-3-8 3608 .3 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA0123361  Nemacladus ramosissimus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9043 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
  RSA525331  Nemacladus ramosissimus Steve Boyd, L. Arnseth, M. Skinner 1990-4-28 4462 -a Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  RSA561058  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-12 7355 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
  UCR281483  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 90 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  POM46796  Nemacladus rubescens Mary F. Spencer 1920-3-27 1498 Riverside Palm Springs. 122 Comment
  SEINET10461125  Nemacladus rubescens Munz 1952-5-2 MUNZ 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  RSA0123360  Nemacladus tenuis var. tenuis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9044 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
  RSA802257  Nemophila menziesii Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5004 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR165916  Nemophila menziesii T. B. Salvato, John F. Green 2004-5-27 557 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
  UCR86880  Nemophila menziesii A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16256 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA0037197  Nemophila menziesii Tamara Joy Hanna 1991-5-12 38 Riverside Area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  UC68732  Nicotiana clevelandii H. M. Hall 1905-4-29 5967 Riverside McCoy Wash; Colorado Desert 91 Comment
  RSA413247  Nicotiana glauca James C. Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduc crossing. 247 Comment
  RSA772059  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4625 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA426711  Nicotiana obtusifolia Donald Myrick 1968-3-3 1797 Riverside In Box Canyon east of MEcca. 366 Comment
  SBBG6606  Nicotiana obtusifolia H. and M. Dearing 1942-3-12 4832 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCR178568  Nicotiana obtusifolia R. G. Swinney 1967-2-4 0010 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCR198187  Nicotiana obtusifolia Michael Honer, L. Hulse 2004-4-2 1875 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCSB33605  Nicotiana obtusifolia Simmons, Karen 1979-3-25 Riverside Box Canyon Road, 10 miles south-west of Hwy 10 30 Comment
  UCR183019  Nicotiana quadrivalvis Mitch Provance 2003-5-5 4427 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  JOTR30200  Nolina parryi La Doux, Tasha 2009-6-3 1847 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  JOTR31092  Nolina parryi La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2354 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  SD142035  Nolina parryi James C. Dice 1985-6-13 617 Riverside SE portion of Thomas Mtn., ca. 4 km S of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  POM11862  Notholaena californica subsp. californica P. A. Munz, I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  CLARK-A1528-3541  Notholaena newberryi John C. Roos 1936-11-21 Riverside La Sierra Comment
  CLARK-A1528-669  Oenothera californica Becky Alejandre 1970-5-7 Riverside Riverside 408 Comment
  UCSB12944  Oenothera cespitosa Dearing, Hugh; Dearing, Margaret 1938-3-5 Riverside Between Blythe and Desert Center Comment
  UCR16380  Oenothera deltoides S. J. Southwell 1971-5-2 s.n. Riverside Sonoran (Colorado) Desert, Windy 'Gap' [Point] sand dune, c. 10 mi. NW of Palm Springs on Hwy 111 305 Comment
  UCR214714  Oenothera deltoides A. C. Sanders 2010-3-23 37548 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  JOTR32327  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  UCD108102  Olneya tesota G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
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Jun 15 2013
  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
  RSA0038513  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12 -82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  UCR137332  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley, Ramona Expressway at east end of Lake Perris dam 457 Comment
  UCR202976  Oncosiphon piluliferum Robert Noll 1998-3-23 s.n. Riverside Moreno Valley, [North] of Lake Perris along John F. Kennedy [Dr.] Comment
  UCR57110  Oncosiphon piluliferum Diane Concannon 1989-5-9 s.n. Riverside S side of Lake Perris (Perris 14), opposite Allesandro Island, north of bike path 488 Comment
  POM83411  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  POM284055A  Opuntia phaeacantha Lyman Benson 1955-12-6 15619 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA206499  Orcuttia californica E. W. Lathrop 1969-9-8 7123 Riverside 6 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau Comment
  JEPS11678  Orobanche californica subsp. feudgei W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1458 Riverside Van Deventer's Ranch. Comment
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May 1 2016
  RSA0066507  Orobanche californica subsp. feudgei C. W. Tilforth, B. Busenberg 1980-6-10 1980 Riverside 0.1 mi. in from Highway 74 on north leg of Thomas Mtn. Road, 1 mi. south of Lake Hemet. 1386 Comment
  RSA0104797  Orobanche fasciculata Edmund C. Jaeger 1921-7-18 s.n. Riverside Caramba, Taquitz Creek, San Jacinto Mts. 1828 Comment
  SBBG54321  Osmadenia tenella C. Davidson 1977-5-25 5646 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  SD136900  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Cyn about Potrero Escondido due west of junction Tenaja and Los Alamos Rds 669 Comment
  SEINET6645810  Oxalis pes-caprae N. D. Atwood 1993-3-27 17706 Riverside Corona Del Mar State Park along Newport Coast Drive 0 Comment
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Mar 5 2018
  SEINET3289842 Image available Oxytheca emarginata M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1452 Riverside San Jacinto Mountains region: Northeast of South Ridge trailhead, east of Idyllwild. 2012 Comment
  UCR193411  Oxytheca trilobata A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35622 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch 1585 Comment
  RSA192040  Paeonia californica E. W. Lathrop 1959-3-26 4361 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  UCSB2032  Paeonia californica Krogen, Roger 1957-1 Riverside 2 mi. N of Whitewater Comment
  CAS-BOT-BC327920  Palafoxia arida John H. Thomas 1957-3-30 6528 Riverside 8.1 miles E of Cactus City, about 13 miles E of Coachella. near US Hwys 60 and 70. Colorado Desert. 518 Comment
  CAS-BOT-BC327940  Palafoxia arida J. Von Loh 1977-10-30 3307 A Riverside Ford Dry Lake Comment
  CDA8434  Palafoxia arida D. Y. Rosenberg 1957-7-29 Riverside Near Mecca. 0 Comment
  JEPS34754  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6838 Riverside e Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  SEINET273060 Image available Parietaria hespera A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area;along foot trail at W base of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reser. 518 Comment
  UCR35007  Parkinsonia aculeata L. B. Ziegler 1974-6-28 529 Riverside San Jacinto Valley 473 Comment
  UCR90967  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  SEINET10852748  Parkinsonia aculeata David B. Dunn 1948-6-18 Dunn 332 Riverside Trees planted along highway; near Cabazon. Comment
  SD236442  Parthenocissus vitacea A. C. Sanders, D. L. Sanders 2008-9-27 36104 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 164 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
  RSA562057  Pectocarya heterocarpa Steve Boyd, K. A. Boyd, C. Boyd 1992-4-19 6927 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
  SD87822  Pectocarya heterocarpa Frank W. Peirson 1935-4-17 Riverside 30 miles north of Blythe in small alluvial flat along the Colorado River Comment
  CHSC101724  Pectocarya linearis subsp. ferocula Scott D. White 2003-3-21 8815 Riverside Santa Ana Mountain Foothills; Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 153 Comment
  RSA614669  Pectocarya linearis subsp. ferocula Scott D. White 1997-2-28 4726 Riverside SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  SDSU13374  Pectocarya linearis subsp. ferocula Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-2 14 Riverside Santa Margarita Ecological Reserve (SDSU). 200 m west from the Northside Field Station. 366 Comment
  UCR51067  Pectocarya penicillata 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
  UCR59513  Pectocarya penicillata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3239 A Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  UCR279359  Pectocarya platycarpa A. C. Sanders, Jim Malusa 2017-3-24 42966 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SEINET3083986 Image available Pectocarya recurvata P. Leary 1975-2-2 876 Riverside 2.4 miles southeast of White Tank in Wilson's Canyon, Joshua Tree National Monument. Comment
  UCR41585  Pectocarya recurvata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6122 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SEINET10840877  Pectocarya recurvata David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2910 Riverside Hillside by quadrat 4. Pushawalla Canyon. Comment
  RSA40567  Pectocarya setosa J. C. Roos 1947-4-5 3417 Riverside Pinyon Flats, Santa Rosa Mtns. 1220 Comment
  POM13715  Pedicularis densiflora P. A. Munz 1922-4-29 5117 Riverside 5 miles west of Aguanga. 671 Comment
  UCR91598  Pedicularis densiflora D. L. Banks, Steve Boyd 1995-3-15 0060 Riverside NW Palomar Mtns, Agua Tibia Mountains Watershed: Agua Tibia Wilderness Area, N face of Agua Tibia Mountain, Dorland Mountain area 680 Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  SEINET10793718  Pellaea andromedifolia George Yatskievych 1981-4-24 Yatskievych 81 -135 Riverside S end of Joshua Tree National Monument. Highway 79, ca. 3 mi. S.of Banning; at foot of mountains. 762 Comment
  RSA0051625  Pellaea mucronata Elliott Waite 1950-4-29 s.n. Riverside Cranston Ranger Station, San Bernardino National Forest. 609 Comment
  IRVC3154  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 49 Riverside Above N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 671 Comment
  UCR241219  Penstemon X parishii Tracy Tennant, Mitch Provance 1998-6-16 MOR- 400 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  NY583866  Penstemon centranthifolius H. M. Hall 1899-5-31 s.n. Riverside Smith Mountain on north slope 762.0 Comment
  LA209524  Penstemon clevelandii Carl Epling; William Stewart 1936-5-9 sn Riverside Santa Rosa Mountains, near Ribbonwood Comment
  NY583966  Penstemon clevelandii var. connatus S. B. Parish 1896-4-4 s.n. Riverside Palm Springs, (Agua Caliente,) desert base of San Jacinto Mountain 152.4 Comment
  RSA0014863  Penstemon clevelandii var. connatus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1332 Riverside Santa Rosa Mountains. Comment
  UC103029  Penstemon labrosus A. W. Anthony 1895-7-12 Riverside San Jacinto Mts. 2590 Comment
  UCR251939  Penstemon spectabilis Harun Bektas 2011-4-26 11 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  NY661185  Penstemon spectabilis var. spectabilis H. K. Sharsmith 1954-7-7 4445 Riverside On highway between Banning and Idlewild, near Fuller Creek, San Bernardino National Forest. 1828.8 Comment
  UC54996  Penstemon spectabilis var. spectabilis H. M. Hall May 17 1901-Jun 1 1901 1893 Riverside Coyote Canyon El Toro Mt. Comment
  RSA0060228  Pentagramma triangularis R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54070 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA0070723  Pentagramma triangularis Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. [County not specified on label. Could be Orange, Riverside, or San Diego County] 609 Comment
  LA204568  Peritoma arborea Carl Epling; 1927-3-28 Riverside Palm Springs Comment
  SBBG2631  Peritoma arborea H. and M. Dearing 1939-12-31 4045 Riverside 5 mi N of Palm Springs Comment
  CAS-BOT-BC355980  Perityle emoryi N. Aitkenhead 1977-2-3 2129 Riverside At intersection of T/L and Chuckwalla Rd. Comment
  RSA778232  Perityle emoryi Duncan S. Bell 2009-3-8 37 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA779577  Perityle emoryi Duncan S. Bell 2009-3-7 9 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  RSA784956  Perityle emoryi Duncan S. Bell 2012-2-12 3114 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG92824  Perityle emoryi D. Charlton 1988-2-18 1121 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UC170161  Perityle emoryi E. E. Schellenger 1894-12-5 85 Riverside Chuckwalla Bench Colorado Desert, Chuckwalla Bench Comment
  UCR72177  Perityle emoryi Theo Glenn 1991-5-15 91- 41 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  CAS-BOT-BC167762  Petalonyx thurberi E. H. Daniels; J. Bates 1932-6-5 s.n. Riverside Palm Springs. Colorado Desert 137 Comment
  JEPS41242  Petalonyx thurberi Jos. Burtt Davy 1902-4-7 8050 Riverside Salton Comment
  UCD117309  Petalonyx thurberi F. R. Lawson 1929-12-12 11- 8 Riverside Mecca. Comment
  LA49840  Petalonyx thurberi subsp. thurberi Henry J. Thompson; 1960-4-30 3260 Riverside along US Highway 60 and 70, opposite Hayfield Dry Lake, 14 mi. W of Desert Center 457 Comment
  CHSC99047  Peucephyllum schottii LeRoy Gross 2005-3-3 1568 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Growing on rocky cliff above canyon. 68 Comment
  JOTR34023  Peucephyllum schottii La Doux, Tasha, M. Harding 2010-4-7 2910 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA444309  Peucephyllum schottii Walter Wisura 1988-3-1 4180 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  UCR22488  Peucephyllum schottii C. S. Jones 1979-2-24 07 Riverside Sonoran (Colorado) Desert, 1 mile southeast of Eagle Mountain, on old Eagle Mtn. Road 351 Comment
  POM126314  Phacelia ambigua Thomas Craig 1927-4-2 7 Riverside Canyon near Hidden Springs. Comment
  RSA426003  Phacelia ambigua P. J. Remple 1949-10-12 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  RSA678381  Phacelia ambigua Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10444 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
  RSA113259  Phacelia brachyloba E. K. Balls 1955-4-4 20428 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  CSUSB130  Phacelia cicutaria Bob Sullivan 1966-3-10 Riverside 100 yards east of railroad tracks on corner of Tamescal Street and Comtom Ave. -near city of Corona 259 Comment
  UCR139026  Phacelia cicutaria var. hispida D. L. Banks 1997-4-5 1686 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR91350  Phacelia cicutaria var. hispida Scott D. White, M. Jacobsmeyer 1996-4-20 3956 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA0107847  Phacelia crenulata Duncan S. Bell, Amanda Turek 2009-3-30 169 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  SEINET3091710 Image available Phacelia crenulata var. ambigua G. Helmkamp, E. Helmkamp 1998-1-17 2541 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. 0 Comment
  RSA0110949  Phacelia crenulata var. ambigua Michael Honer, L. Hulse 2004-4-2 1872 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  UC665895  Phacelia crenulata var. minutiflora Ira L. Wiggins 1941-3-27 9669 Riverside about 4 mi ne Desert Center (on road to Rice) 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
  RSA426205  Phacelia distans N. C. Cooper 1944-3-25 1017 Riverside Morongo Pass. 457 Comment
  RSA426223  Phacelia distans Ora M. Clark 1929-3-17 1697 Riverside Colorado Desert, south of Cabazon. Comment
  SEINET3523574 Image available Phacelia distans Jim Andre 2011-2-2 16239 Riverside Coachella Valley: mouth of Big Moronga Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 (Moronga Valley 7.5' Q). 487 Comment
  UC520296  Phacelia distans Joseph Andorfer Ewan and Carl Epling 1933-5-12 7616 Riverside 4 mi nw Glen Ivy Hot Springs; Temescal Canyon Comment
  UC672423  Phacelia distans Herbert L. Mason 1928-3-11 4239 Riverside Desert Flats near Indio; Colorado Desert Comment
  UCD120406  Phacelia distans C. L. Hitchcock 1966-3-16 24203 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. Comment
  UCR120811  Phacelia distans Ian G. Gillespie 2000-4-16 4 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  UCR4169  Phacelia distans H. C. Sharma 1976-4-20 760420- 02 Riverside UCR campus, c. 200 yards S-W of metallic tanks above Parking Lot No. 8 427 Comment
  POM187413  Phacelia imbricata subsp. patula L. Crutcher 1933-8-1 9 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  UC729828  Phacelia mutabilis Carl B. Wolf 1932-8-5 3936 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  UCR140658  Phacelia ramosissima Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 81 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UCR241000  Phacelia ramosissima Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 21 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  SEINET4080506  Phacelia ramosissima var. latifolia C. Davidson 1975-1 2820 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  RSA776295  Phacelia rotundifolia Duncan S. Bell, Amanda Turek 2010-4-10 829 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  RSA74835  Phacelia suaveolens subsp. keckii P. A. Munz 1923-6-14 7056 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
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Jul 21 2018
  UCR117390  Phalaris lemmonii A. C. Sanders, T. B. Salvato 2001-5-25 24391 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  CHSC61260  Phalaris minor J. Lund 1980-4-2 Riverside Across the freeway from Valarie Jeans on Rd. W86 on north west side of Salton Sea. Comment
  UCR76159  Phalaris minor A. C. Sanders 1993-4-1 76159 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  SEINET7073349  Phlox gracilis A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  CAS-BOT-BC219552  Pholisma arenarium James N. Clark 1926-5-16 s.n. Riverside Near Gold Coin Mine Comment
  RSA221011  Pholistoma auritum E. W. Lathrop 1966-5-8 6404 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA49358  Pholistoma membranaceum P. A. Munz 1949-4-11 13008 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  UCD120944  Pholistoma membranaceum Geoffrey Levin 1976-3-27 685 Riverside Riverside County; Chino Canyon, west of Palms Springs, Mt. Range: Alluvial fan of San Jacinto Mts., Drainage area: Salton Sea Basin 396 Comment
  CAS-BOT-BC135068  Phoradendron californicum Del Wiens 1953-12-5 866 Riverside Several miles S of Cottonwood Springs, Joshua Tree National Monument 213 Comment
  OBI38805  Phoradendron californicum A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  UCSB1314  Phoradendron californicum Graney, Don 1953-3-22 Riverside Morango Canyon, Colorado Desert Comment
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May 15 2016
  SEINET10819597  Phoradendron densum Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 136 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  CAS-BOT-BC171153  Phoradendron serotinum subsp. tomentosum P. A. Munz; E. K. Balls 1952-8-21 17969 Riverside Hamilton Canyon, SE end of San Jacinto Mountains 1432 Comment
  POM184031  Phoradendron villosum Philip A. Munz 1932-10-16 12847 Riverside Indio to Vandeventer Flat. 1067 Comment
  JOTR36457  Physalis crassifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3427 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  RSA676146  Physalis crassifolia Scott D. White 2001-4-12 8308 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA778488  Physalis crassifolia Duncan S. Bell 2009-3-8 53 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC1143156  Physalis crassifolia H. S. Yates 1937-3-23 6447 Riverside 15 mi nne Mecca; Thermal Quad. 457 Comment
  UCR16398  Physalis crassifolia K. T. Ingram 1976-5-1 s.n. Riverside San Bernardino Mtns., Morongo Valley, 0.25 mi. south of intersection of Route 62 and Mission Creek Road. Comment
  JOTR01203  Physalis crassifolia Cole, James E. 1941-4-13 593 Riverside Joshua Tree National Park. SUMMIT OF PINTO PASS Comment
  UCR113987  Physalis philadelphica Mitch Provance, A. C. Sanders 2000-7-4 2111 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR44841  Phytolacca americana Don Domenigoni 1986-4-21 s.n. Riverside The Young property , Hemet Comment
  RSA336065  Pilularia americana R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51981 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCSB10657  Pinus coulteri Koran, John 1958-4-15 Riverside 3.5 miles east of Idyllwild on main Hwy. to Banning 1463 Comment
  UCSB9245  Pinus monophylla Wilson, Richard 1958-5-18 Riverside At pinon Flats on State highway 74 Comment
  UCR8098  Pinus ponderosa B. Freeman 1969-3-25 690325- 7 Riverside San Jacinto Mtns., James Reserve, north of James' House. 1646 Comment
  POM310583  Pinus quadrifolia G. Mansfield-Jones 1956-11-11 564 Riverside Palms to Pines highway, near Lake Hemet. Mt. Range San Jacinto-Santa Rosa. 1524 Comment
  RSA282903  Pinus quadrifolia C. W. Tilforth, J. Dourley 1980-7-15 2082 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
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Mar 28 2014
  UCSB148  Pinus quadrifolia Waian, Lee 1960-5-15 Riverside 1/2 miles from Highway 74 on the road to Anza Comment
  UCR147593  Piperia transversa Naomi Fraga, S. DeGroot 2004-7-8 1300 Riverside Peninsular Ranges; San Jacinto Mountains region, On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows) 1524 Comment
  UCR270756  Piptatherum miliaceum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8369 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 424 Comment
  SEINET13710210  Pityrogramma triangularis J. Adams, J. Adams (Botany) 1966-1 340 Riverside Azalea Canyon, Above Campground 6000 Ft 1829 Comment
  UCR151370  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  SBBG119105  Plagiobothrys arizonicus W. L. Halvorson 1977-3-13 77 -178 Riverside near Temecula Comment
  UCR116667  Plagiobothrys canescens A. C. Sanders, Carolyn Washburn 2001-5-10 24231 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR228935  Plagiobothrys canescens A. C. Sanders 2011-4-6 39005 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  OBI53612  Plagiobothrys collinus Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck trl 381 Comment
  POM368913  Plagiobothrys collinus var. californicus Albert J. Perkins 1895-04 s.n. Riverside Near Riverside, Calif. Comment
  RSA0050590  Plagiobothrys collinus var. californicus A. C. Sanders 2013-3-27 40684 Riverside Penninsular Range: Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  UCR241931  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2013-3-27 40692 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  SBBG34759  Plagiobothrys collinus var. fulvescens J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, S of town of Murrieta, small mesa SW of Mesa de Burro 579 Comment
  UC494753  Plagiobothrys collinus var. gracilis Philip A. Munz 1932-3-24 12018 Riverside Corona 365 Comment
  RSA741104  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-6-5 12085 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA80216  Plagiobothrys leptocladus F. W. Peirson 1922-4-29 4273 Riverside Field S of Lake Elsinore 375 Comment
  UC219099  Plagiobothrys leptocladus P. A. Munz and I. M. Johnston 1922-5-19 5369 Riverside Menifee Valley Comment
  UCR281124  Plagiobothrys leptocladus Mitch Provance, Jeremiah George 2017-3-23 317- 71 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  UCR47600  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  RSA709240  Plagiobothrys tenellus Scott D. White 1995-3-30 2648 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  RSA85110  Plagiobothrys tenellus J. C. Roos 1952-4-29 5594 Riverside Reche Canyon 457 Comment
  SEINET272326  Plagiobothrys tenellus A. C. Sanders, G Helmkamp 1997-3-15 19961 Riverside Lake Skinner Area; NE of Skinner Lake in a tributary to Rawson Canyon along the dirt road. UTM 10km cell: MH-9E 1N. Sk 503 Comment
  UCD121059  Plagiobothrys undulatus Robert F. Thorne; E. Lathrop, P. Munz 1968-5-8 37570 Riverside Santa Rosa Plateau: On Mesa de Colorado, Ranch CA. Comment
  CAS-BOT-BC224912  Plantago erecta A. C. Sanders; T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR4594  Plantago lanceolata R. G. Barber 1962-5-11 s.n. Riverside City of Riverside, near drainage ditch on UCR grounds at 4808 Chicago Avenue. Comment
  JEPS30093  Plantago ovata Lewis S. Rose 1962-3-2 62008 Riverside La Quinta 3 Comment
  JEPS85906  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  RSA781617  Plantago ovata Duncan S. Bell 2009-3-8 85 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  UCR103593  Plantago ovata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2720 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR133968  Plantago ovata Mitch Provance, J. S. Ross 1998-3-27 MOR- 951 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  JOTR33991  Plantago ovata var. fastigiata La Doux, Tasha, M. Harding 2010-4-7 2879 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM305602  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-3-2 880 Riverside Blythe, Colorado River bluffs. Comment
  POM4549  Plantago ovata var. fastigiata I. M. Johnston 1917-4-4 1006 Riverside Near Palm Springs. 152 Comment
  UCR133944  Plantago patagonica John F. Green 2004-3-31 s.n. Riverside San Jacinto Mtns., Bautista Canyon, near Bautista Conservation Camp 808 Comment
  UCR21165  Platanus racemosa Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UC167983  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder 1905-5-12 9 Riverside Wilders near Riverside; near Riverside Comment
  UC70076  Plectritis ciliosa subsp. insignis F. M. Reed 1905-4-20 728 Riverside vicinity of Riverside (top of Box Springs Mountain); Box Springs Mountain Comment
  POM8116  Pleuraphis rigida Mary F. Spencer 1920-3-27 1533 Riverside Palm Springs Comment
  UC1861750  Pleuraphis rigida G. D. Wallace 1982-5-15 1994 Riverside Palms to Pines Highway, 7 level hill. Comment
  UC573683  Pleuraphis rigida H. S. Yates 1937-3-23 6442 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  CAS-BOT-BC326634  Pleurocoronis pluriseta Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CLARK-A1045-141  Pleurocoronis pluriseta George K. Helmkamp 1977-3-20 Riverside Deep Canyon rocky wall; Palm Desert 15'Q Comment
  JEPS30455  Pleurocoronis pluriseta Peter H. Raven 1958-1-24 11465 Riverside just ne Indio; Fargo Canyon Comment
  RSA472089  Pleurocoronis pluriseta Christopher Davidson 1980-4-4 9948 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
  RSA515206  Pleurocoronis pluriseta Steve Boyd, Orlando Mistretta 1986-3-13 1482 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA737328  Pluchea odorata Justin M. Wood 2008-9-19 142 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA700019  Poa secunda Scott D. White, Michael Honer 2003-4-4 8927 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR2705  Poa secunda F. M. Reed 1905-4-2 694 Riverside Box Springs Mountain, east of Riverside 549 Comment
  LA12631  Poa secunda subsp. secunda L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  SD215355  Poa secunda subsp. secunda Steve Boyd, Tim Ross, Laurel Arnseth et al 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79 East of USFW Dripping Springs Guard Station 487 Comment
  SEINET1004376  Polygonum convolvulus T. B. Salvato, Kent Beaman 2005-1 855 Riverside San Jancito Mtn foothills; San Jacinto River E of Valle Vista just downstream from Forest Service boundry and N of CA Hwy 74. 549 Comment
  SBBG61495  Polygonum douglasii R. Hoffmann 1929-9-5 Riverside Tahquitz Valley Comment
  RSA583360  Polypodium californicum Steve Boyd, Darin Banks 1995-4-5 8419 B Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA588606  Polypogon maritimus D. L. Banks, Steve Boyd 1995-10-17 0816 B Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  RSA771110  Polypogon viridis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4730 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 W116.65123 604 Comment
  CAS-BOT-BC102581  Populus fremontii Swingle 1915-9-1 s.n. Riverside Indio Comment
  POM360757  Populus fremontii Ora M. Clark 1929-3-2 1614 Riverside Near Elsinore. Comment
  POM360760  Populus fremontii M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 588 Comment
  POM360771  Populus fremontii Howard Mullins 1931-4-6 s.n. Riverside Coachella Valley. Comment
  SEINET10932113  Populus fremontii David B. Dunn 1946-3-17 Dunn 2101 Riverside At pushawalla palms by the springs. Indio hills. Comment
  JEPS34992  Porophyllum gracile W. L. Jepson Oct 22 1912-Nov 7 1912 5242 Riverside Riverside Mts. 45 Comment
  SD233340  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA776701  Potamogeton diversifolius Steve Boyd, Gary Wallace 2005-7-30 11642 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  UCR185176  Potamogeton diversifolius Naomi Fraga, Et al. 2006-7-11 1722 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  JOTR35171  Potamogeton foliosus subsp. foliosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3274 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
  UC434  Potamogeton pectinatus S. B. and W. F. Parish 1891-11-3 2277 Riverside Elsinore Lake Comment
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Aug 8 2010
  UCR240622  Potentilla glandulosa Tracy Tennant, Mitch Provance 1998-6-16 MOR- 433 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  NY436457  Potentilla wheeleri var. rimicola P. A. Munz 1924-7-27 8764 Riverside Dark Canyon, San Jacinto Mts. 2407.9 Comment
  RSA0014806  Proboscidea louisianica Steve Boyd, Rita Gentry 1991-5-30 6317 Riverside Murrieta, Gentry Experimental Farm on Los Alamos Rd. 427 Comment
  CAS-BOT-BC206978  Prosopis glandulosa var. torreyana Street; Durant 1918-5-12 s.n. Riverside San Jacinto Hot Springs Comment
  CAS-BOT-BC206984  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  RSA304922  Prunus fasciculata James R. Shevock 1971-3-6 742 Riverside White Tank, Joshua Tree National Monument. 884 Comment
  RSA698640  Prunus fasciculata J. R. Bruff 1928-4-2 167 Riverside Cottonwood Springs. Comment
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Mar 23 2015
  RSA453241  Prunus fremontii E. Crow 1929-2-24 172 Riverside Andreas Mesa, SW Palm Springs. Colorado Desert. Comment
  UC1128374  Prunus fremontii H. S. Yates 1937-3-24 6466 Riverside S of Pinyon Flat 975 Comment
  LA208109  Prunus ilicifolia subsp. ilicifolia W. E. Pequegnat; 1937-8-25 sn Riverside Santa Ana Mountains, Glen Ivy Trail Comment
  CAS-BOT-BC356345  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca-Blythe Road Comment
  CAS-BOT-BC356346  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Desert, at Thousand Palms, Indio Hills Comment
  POM10451  Psathyrotes ramosissima Charlotte M. Wilder 1907-04 s.n. Riverside Palm Springs Station Comment
  SBBG100841  Psathyrotes ramosissima W. L. Halvorson 1977-3-8 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  JOTR32462  Pseudognaphalium luteoalbum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2607 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
  UCR167791  Pseudognaphalium luteoalbum T. B. Salvato, Gregg Miller 2005-6-3 1384 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UCR228254  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2011-4-1 38932 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UC217949  Psilocarphus brevissimus var. brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.50 mi s Lake Elsinore Comment
  UCR77753  Psilocarphus brevissimus var. brevissimus Steve Boyd, D. E. Bramlet 1991-5-13 6231 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  SEINET7063441  Psilocarphus brevissimus var. multiflorus 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
  UCR111066  Psilocarphus tenellus var. globiferus D. E. Bramlet 1998-12-16 2600 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve 450 Comment
  UC170156  Psilostrophe cooperi E. E. Schellenger 1894-12-4 93 Riverside Chuckawalla Bench Colorado Desert Comment
  UC69025  Psilostrophe cooperi H. M. Hall Apr 1905 5890 Riverside Chuckawalla Bench Colorado Desert Comment
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  RSA772529  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4430 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SEINET3407778 Image available Psorothamnus arborescens var. simplicifolius A. Stanley 1969-5-3 48 Riverside 2 miles from Morango Valley Rd. on Dillion Rd. Little San Bernardino Mountains 457 Comment
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Jun 12 2019
  POM6512  Psorothamnus emoryi Philip A. Munz 1919-3-27 2355 Riverside Salton Sea Comment
  RSA0027503  Psorothamnus emoryi April Garbat, Kristin Forgrave 2013-5-7 64 Riverside Coachella Valley, along Highway 111 in the sandy soil south of the road. Near the large pile of rocks. North of Mt San Jacinto, along the San Gorgonio River. Comment
  UCR244915  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA0062671  Pteridium aquilinum R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  POM318854  Pterospora andromedea Patricia Wilder 1968-7-5 4325 Riverside Dogwood St. near Rimrock Dr., Idyllwild. San Jacinto Mt. Range, Strawberry-Little Tahquitz Creek Drainage. 1829 Comment
  UCR24933  Pterospora andromedea A. C. Sanders 1981-7-19 1687 Riverside Peninsular Range; San Jacinto Mtns., James Reserve in Hall Canyon above Lake Fulmor, 3.5 mi NW of Pine Cove 1707 Comment
  UCR3714  Pterospora andromedea Frank C. Vasek 1964-7-25 640725 16 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  POM10466  Pterostegia drymarioides E. A. Zumbro 1901-04 346 Riverside Tequesquite Arroyo Comment
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Sep 17 2011
  RSA543741  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6035 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR93240  Pterostegia drymarioides F. M. Reed 1907-5-5 1346 Riverside City of Riverside; Fairmont Park 244 Comment
  RSA134218  Punica granatum Peter H. Raven, Richard Snow 1957-7-26 11081 Riverside Banning to Idyllwild road, 6.5 miles N of road to Twin Pines Ranch, San Jacinto Mts. Riverside County Comment
  RSA0081604  Pyrola aphylla Mary F. Spencer 1923-7-8 2264 Riverside [Illegible portion of locality information on top of label.] Banning road in Idyllwild, San Jacinto Mt. 1829 Comment
  UC21716  Pyrola picta H. M. Hall Jun 1901 Riverside in Canyons of the west side; dark Canyon Comment
  SD67914  Pyrola picta f. aphylla Reid Moran 1968-8-3 15367 Riverside under firs, north slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  UCR273998  Quercus Mitch Provance 2012-9-11 17622 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCR169247  Quercus X acutidens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 75 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  UCR241234  Quercus X morehus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 458 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UC1135312  Quercus agrifolia R. St. John Apr 1930 137 Riverside Cottonwood Canyon Elsinore Quad. 457 Comment
  UCR94267  Quercus agrifolia Scott D. White 1996-4-14 3914 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UCR158907  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31545 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
  JEPS37471  Quercus berberidifolia Frank Thornton 1903-1 Riverside Mt. San Jacinto Comment
  UCD162842  Quercus berberidifolia D. O. Burge 2015-3-17 1692 Riverside Rainbow area. 410 Comment
  UCD45202  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  UCR121644  Quercus berberidifolia A. C. Sanders, Kent Beaman 2002-5-10 25055 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
  UCSB60559  Quercus cornelius-mulleri Muller, Cornelius 1952-3-23 Riverside At Live-oak Tank, Joshua Tree National Monument Comment
  CAS-BOT-BC94187  Quercus engelmannii A. C. Sanders; Kent Beaman 2002-5-10 25047 Riverside Santa Ana Mtns. Santa Rosa Plateau: hills W of the head of De Luz Creek, 0.4 mi S of Tenaja Rd. on W side of Calle Roble 671 Comment
  CAS-BOT-BC104312  Quercus palmeri D. E. Breedlove 1961-8-5 952 Riverside 2.7 miles N of Anza road, State 74 1310 Comment
  POM262901  Quercus palmeri J. C. Roos 1941-5-9 120 Riverside Near summit of Pines to Palms Road Comment
  POM229444  Quercus wislizeni var. frutescens Noel Wallace 1937-10-19 bs 80 Riverside North side of Box Springs Mt. 762 Comment
  JOTR30996  Rafinesquia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1318 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  RSA608220  Rafinesquia californica R. S. Woglum 1941-5-17 3058 Riverside Peninsular Ranges / Sonora Desert transition: Horse Canyon off Coyote Canyon. Comment
  UCR178144  Rafinesquia californica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 391 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  CAS-BOT-BC362629  Rafinesquia neomexicana Alice Eastwood 1913-4-30 3016 Riverside Palm Springs Comment
  UC566695  Rafinesquia neomexicana Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  UCR196359  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1409 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UC219255  Ranunculus californicus P. A. Munz and I. M. Johnston 1922-5-20 5462 Riverside 1 1/2 mi below Kenworthy; San Jacinto Mts. 1417 Comment
  UCR174535  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mtns. east of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  UCR260565  Rhamnus crocea T. B. Salvato 2014-5-29 8037 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA343876  Rhamnus ilicifolia Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60666 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  RSA249845  Rhododendron occidentale R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mountains; Above and in James Reserve 1677 Comment
  JOTR32193  Rhus aromatica Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 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
  UCR249822  Rhus aromatica T. B. Salvato, John Lovio 2013-3-19 7360 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR166699  Rhus laurina Scott D. White, Jennifer H. Jones 2005-7-5 11150 Riverside Santa Ana Mtns, Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary 579 Comment
  UCR167811  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCD166209  Rhus ovata Jack Major 1962-4-16 766 -b Riverside Along side of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  UCR58632  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Peninsular Range, Temecula Gorge, south side of aqueduct crossing 260 Comment
  SEINET3080864 Image available Rhus trilobata A. C. Sanders, J. Goetzen 1996-5-1 18138 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 792 Comment
  UC858446  Ribes cereum P. A. Munz 1922-7-6 6002 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  RSA523482  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3942 Riverside Vail Lake area, summit of Big Oak Mtn, N of Lake. Saddle between summits, along road heading N to Black Hills. 793 Comment
  RSA702742  Ribes indecorum Scott D. White, Michael Honer 2004-4-6 10044 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR113594  Ribes indecorum A. C. Sanders 1998-1-15 21628 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  UC69248  Ribes lasianthum H. M. Hall 1897-3-20 401 Riverside Gavilan Mts. Comment
  RSA263743  Ribes malvaceum var. viridifolium E. W. Lathrop 1968-5-22 6910 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SBBG72070  Ribes montigenum J. Ewan 1930-9-1 Riverside Mount San Jacinto 3293 Comment
  SEINET13942920 Image available Ribes quercetorum Scott D. White 1995-1 2752 Riverside SW of Juniper Flat Road, USGS Lakeview 7.5' quad., Lakeview mountains About 1900 ft elev. 33 deg. 48' N, 117 deg. 6' W. T4S, R2W, S28 NE 1/4 579 Comment
  RSA615141  Ribes quercetorum A. C. Sanders, O. F. Clarke, H Foster 1997-3-2 19766 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
  UCR24947  Ribes roezlii A. C. Sanders 1980-7-18 1658 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA315  Romneya coulteri J. T. Howell 1928-7-7 1036 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  UCR217508  Romneya coulteri Jeff B. Galvin 2008-5-15 46 Riverside Peninsular Ranges, Gavilan Plateau, Estelle Mountain. Steep slope of drainage emptying into Walker Canyon. ~ 680 m east of hwy 15 446 Comment
  SD132413  Romneya coulteri var. coulteri Narca A. Moore-Craig 1984-4-21 Riverside Santa Ana Mtns. Temescal Canyon at boundary of Cleveland Natl. Forest and Glen. 427 Comment
  SD145977  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA740246  Rorippa curvisiliqua Scott D. White, Justin M. Wood 2008-7-9 12409 Riverside Johnson Meadow 1415 Comment
  SD229266  Rubus parviflorus Dick Schwenkmeyer 2012-6-27 762 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA735069  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  CLARK-A1528-766  Rumex crispus C. M. Flanagan 1973-5-20 OO 521 Riverside Morongo Indian Reservation Comment
  SEINET272293  Rumex crispus A. C. Sanders 1997-3-1 19725 Riverside Box Springs Mtns: Coyote Hill and ridge W of SE of the UCR Botanic Garden. UTM 10km cell: MH-7E 5N. Edgemont (Banch Mar 427 Comment
  RSA613324  Rumex hymenosepalus D. L. Banks 1997-3-1 1388 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA0042752  Rumex hymenosepalus Unspecified s.n. Riverside San Gorgonio River Bridge near Cabazon Comment
  UCR90773  Rumex maritimus D. E. Bramlet 1995-5-5 2406 Riverside Perris-Aguanga Basin region, 7.5 km west of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs) 435 Comment
  RSA601678  Rumex obtusifolius Louis C. Wheeler 1933-8-5 2059 Riverside Millard's Canyon at foot of falls San Bernardino Mountains. 579 Comment
  SD124772  Rumex obtusifolius Andy C. Sanders 1986-5-10 6498 Riverside Mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 miles S of Mecca -70 Comment
  RSA559427  Rumex salicifolius Steve Boyd 1992-4-15 6874 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA726819  Rumex salicifolius Steve Boyd, Aydee Virgen 2004-4-13 10846 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR150986  Sagina saginoides L. C. Wheeler 1961-6-20 7894 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  HSC79238  Salazaria mexicana G. K. Helmkamp 1983-10-8 - 32 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  RSA701156  Salazaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11258 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR251645  Salazaria mexicana Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 827 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  SD229273  Salix exigua Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 894 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UCR92189  Salix exigua D. L. Banks, Steve Boyd 1995-3-16 0101 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of the Dripping Springs Alcove, Arroyo Seco drainage. 555 Comment
  RSA0030829  Salix exigua Norman C. Cooper 1944-4-8 1057 Riverside Andreas Canyon. 304 Comment
  SDSU19219  Salix exigua var. hindsiana Kristen Hasenstab, Dave Bailey 2008-8-7 188 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 3-5m from the edge of the river. 215 Comment
  POM180410  Salix gooddingii E. C. Jaeger 1931-10-1 s.n. Riverside Stubbe Springs, near Keyes Ranch. Comment
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May 29 2011
  UCR6138  Salix gooddingii A. Belding 1967-5-12 s.n. Riverside Boy Scouts America Camp Evans, at the end of Indian Hill Road. Santa Ana River Flood Plain west of the City of Riverside Comment
  RSA92696  Salix gooddingii F. W. Peirson 1918-03 719 Riverside Near Mecca and the Salton Sea. 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
  UC5060  Salix lasiolepis H. M. Hall 1901-7-17 2444 Riverside Tahquitz Creek San Jacinto Mountains 1889 Comment
  UC64012  Salix lasiolepis H. M. Hall 1901-6-1 2350 Riverside Tahquitz Valley San Jacinto Mountains 2438 Comment
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Sep 2 2011
  RSA594531  Salsola tragus D. L. Banks, Rashmi Pant 1996-5-13 1011 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric, arkose ridge, approximately 100 m E of the Dripping Springs Guard Station, just S of Hwy. 500 Comment
  RSA0095118  Saltugilia australis O. F. Clarke, J. Derby 1974-4-19 s.n. Riverside Lakeview Mountains: ca. 2 mi. SSW of Mt. Rudolph, N of Juniper Flat, E of Juniper Flat Rd. and S of Stagecoach Rd., EIR for Tentative Tract 5702. 549 Comment
  RSA500183  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3521 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM46989  Saltugilia splendens Mary F. Spencer 1919-6-25 1214 Riverside San Jacinto Moutains: Idyllwild. 1616 Comment
  JOTR16793  Saltugilia splendens subsp. splendens Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  UCR207924  Salvia O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  CLARK-A1045-112  Salvia apiana George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  POM13283  Salvia apiana var. compacta P. A. Munz 1922-6-26 5828 Riverside Southern Slope of Santa Rosa Mts. 1707 Comment
  JOTR34005  Salvia columbariae La Doux, Tasha, M. Harding 2010-4-7 2893 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  SD125662  Salvia columbariae Michael Theroux 1983-4-16 536 Riverside Black Mt, 2.5 Mi W of Lake Isabella at Wofford Hts., N Side of Hwy 155, Boundary of Sequoia Nat Forest 1128 Comment
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Aug 26 2014
  UCSB5770  Salvia columbariae Hawkins, L. 1956-4-14 Riverside at entrance to Whitewater Canyon Comment
  SFV4248  Salvia greatae W. A. Emboden, Jr. May 1963 s. n. Riverside Colorado Desert Between Chocolate Mountains and Orocopia Mountains at base of outwash plains. 245 Comment
  SEINET12872696  Salvia mellifera A. Sanders, Crain, J. 2015-4-3 41557 Riverside Santa Ana Mountains Comment
  JEPS62774  Salvia pachyphylla Carl V. Meyer 1928-7-27 568 Riverside Hidden Lake Trail; Tahquitz Valley 2438 Comment
  UC511829  Salvia vaseyi Frank W. Peirson 1933-4-13 10635 Riverside road from Deep Canyon to Idyllwild 487 Comment
  UC64324  Sambucus mexicana H. M. Hall June, 1901 2216 Riverside Onstatt's Valley San Jacinto Mountains 1615 Comment
  UCR240998  Sambucus mexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 19 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  UCR241207  Sambucus mexicana Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 05 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  UCR270170  Sambucus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42390 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  CAS-BOT-BC238860  Sambucus nigra subsp. caerulea Carl B. Wolf 1932-8-6 3991 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  SDSU13668  Sambucus nigra subsp. caerulea W. Miller, C. Mosse 1972-8-9 Riverside Comment
  POM46853  Samolus parviflorus H. M. Hall 1904-5-24 4955 Riverside Riverside along Spring Brook. Comment
  RSA614418  Sanicula crassicaulis D. L. Banks 1997-3-16 1551 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
  UC520042  Sarcostemma cynanchoides subsp. hartwegii N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Box Canyon Comment
  UC596673  Sarcostemma cynanchoides subsp. hartwegii R. J. Smith May 1904 Riverside White Water Comment
  UCR131798  Sarcostemma cynanchoides subsp. hartwegii Mitch Provance 1998-6-24 755 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR159888  Sarcostemma hirtellum Scott D. White 1999-4-20 7278 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR72191  Sarcostemma hirtellum Theo Glenn 1991-5-2 91- 125 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  UCR57225  Satureja chandleri Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  UCR262269  Schinus molle A. C. Sanders 2006-5-13 32276 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC110658  Schismus Elizabeth McClintock 1964-4-8 342 Riverside Snow Canyon, east side of Mount Jacinto. Comment
  SD258843  Schismus arabicus Sarah J. De Groot, Thomas Stoughton 2016-2-18 7615 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon 181 Comment
  UCR166018  Schismus arabicus 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
  UCR214894  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37519 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UC1117720  Schismus barbatus Alan A. Beetle 1946-4-18 4228 Riverside Devore Comment
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Jun 3 2012
  UCR116509  Schismus barbatus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20656 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
  SEINET10658860  Schismus barbatus Charles L. Hitchcock, C. V. Muhlick 1964-3-17 Hitchcock 23093 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  UCR20374  Schoenoplectus acutus var. occidentalis John C. Roos, L. Roos 1952-6-10 5761 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  POM320443  Scirpus microcarpus Worthman 1968-5-16 154 Riverside 4.4 miles west of Murrieta. 320 Comment
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Jun 16 2013
  HSC21133  Scrophularia californica D. W. Snell 1964-3-26 19 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  RSA650275  Scrophularia californica W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  RSA543180  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6119 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA0123156  Selaginella eremophila Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8966 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. 668 Comment
  UCR234816  Selaginella eremophila Jim Andre, Glenn L. Clifton 2011-2-22 17481 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  RSA496465  Senecio aphanactis Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-31 3081 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA5022  Senecio californicus Dorothy R. Wolf 1932-3-20 22 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  SEINET6659386  Senecio californicus R. L. Piemeisel 1914-2-23 3816 Riverside Crestmore field.; 0 Comment
  UCR166764  Senecio californicus Scott D. White, Jennifer H. Jones 2005-5-25 11109 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately N of San Diego County line 579 Comment
  CLARK-A1656-755  Senecio douglasii Theo Glenn 1981-10-15 Riverside San Jacinto Mountains Comment
  RSA16513  Senecio flaccidus var. douglasii P. C. Everett 1935-6-17 7145 Riverside Santa Ana Mts., Coldwater Can. Trail to Santiago Pk., 1 mile above Glen Ivy Resort. 549 Comment
  RSA472948  Senecio flaccidus var. douglasii N. C. Cooper 1949-6-29 4361 Riverside East side of San Jacinto Mountains. 457 Comment
  JEPS16686  Senecio flaccidus var. monoensis Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4045 Riverside 3 mi n Shavers Summit in Joshua Tree National Monument (close to head of Lost Palms Canyon); Lost Palms Canyon 762 Comment
  SBBG87940  Senecio mohavensis A. C. Sanders 1986-3-3 6137 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  UC484160  Senna armata B. D. Stark 1930-5-25 Riverside Chuckawalla Valley Colorado Desert, Chuckawalla Valley Comment
  UCR85281  Senna armata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument. East side of the Hexie Mtns., SW of Bench Mark 2394, south of Pinto Mtn., & Pinto Basin Road 732 Comment
  CAS-BOT-BC229148  Sequoiadendron giganteum Rudolf Schmid; Mena Schmid 2009-5-1 2009 -6 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn., Just left (as ascending) of Black Mountain Trail in flat open area on the sloping plateau..., 2369