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

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  RSA519127  Abies concolor F. C. Vasek 1977-11-25 771125 -11 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Look Out. Comment
  CAS-BOT-BC229339  Abronia villosa Philip A. Munz 1937-5-31 15113 Riverside Below Anza Tablet [Table], head of Coyote Canyon 1005 Comment
  SD216504  Abronia villosa Carol R. Annable 1995-3-9 2256 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement Comment
  POM192450  Abronia villosa var. aurita Marcus E. Jones 1929-7-13 s.n. Riverside Temecula Bridge Comment
Read comments
May 19 2011
  RSA461192  Abronia villosa var. aurita Ora M. Clark 1929-2-22 1576 Riverside E. of Whitewater Comment
  RSA787701  Abronia villosa var. aurita Duncan S. Bell 2012-4-5 3313 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  SEINET1906751  Abronia villosa var. aurita D. E. Bramlet, Fred M. Roberts, Michael C. Couffer 2004-1 3548 Riverside Perris-Aguanga Basin: South Bernasconi Hills. Adjacent to existing acess road. 244 m S of the Ramona Expressway and 2.2 km W of the San Jacinto River. 487 Comment
  SEINET269463  Abronia villosa var. aurita Scott D. White, Steve Ogg 1994-10-17 2488 Riverside Temecula Murrieta Creek channel directly W of Cherry Street. 315 Comment
  UCR130712  Abronia villosa var. aurita George K. Helmkamp, E. A. Helmkamp 1998-6-27 4078 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  SEINET10936441  Acacia greggii David B. Dunn, A. Folsom 1948-6-17 Dunn 3814 Riverside Ravine below quad 4. At camp in Pushawalla; canyon under palms. Comment
  RSA623995  Acacia greggii var. arizonica E. C. Jaeger 1921-10-9 286 Riverside Little Palm Canyon. 366 Comment
  POM46953  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs. 137 Comment
  UC819258  Achnatherum hymenoides I. W. Clokey and B. C. Templeton 1930-4-9 4670 Riverside n Palm Springs; Colorado Desert 170 Comment
  UC39984  Achnatherum occidentale H. M. Hall Jun 1 1901-Jul 1 1901 2325 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  UC39994  Achnatherum parishii H. M. Hall May 1899 1167 Riverside Coyote Creek San Jacinto Mountains, El Toro Mt. 1524 Comment
  RSA264154  Achyronychia cooperi C. W. Tilforth 1977-5-20 1330 Riverside 2 miles south of Rice and Hwy 62 along Blythe-Rice Rd. 267 Comment
  UCR132854  Achyronychia cooperi Kent Beaman 1983-4-9 08 Riverside Sonoran (Colorado) Desert, mouth of Box Canyon along the road, Mecca Mud Hills, south of Indio 61 Comment
  UCR60790  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 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
  CAS-BOT-BC213472  Acmispon argophyllus var. argophyllus D. W. Kyhos 1962-3-7 62 -79 Riverside About 2 miles east of alpine Cafe on Palms to Pines Highway near Nightingale trunoff. Comment
  SBBG87343  Acmispon argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mtns, near southernmost radio towers 792 Comment
  SD185218  Acmispon maritimus T. B. Salvato, Melissa Clemons 2005-6-23 1320 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona. 353 Comment
  SBBG28443  Acmispon rigidus D. Myrick 1964-4-29 823 Riverside 10 mi W of Palm Desert on Pines to Palms Hwy 74 914 Comment
  SD247417  Acmispon strigosus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Red Cloud Canyon 7.5'Q) 671 Comment
  UCR260525  Acourtia microcephala T. B. Salvato 2014-5-29 8045 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
  RSA680558  Adenophyllum porophylloides Scott D. White, Michael Honer 2003-4-30 9139 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  CAS-BOT-BC139870  Adenostoma sparsifolium Navin 1890-1-1 s.n. Riverside San Jacinto Mts. Comment
  HSC99955  Adenostoma sparsifolium J. P. Smith, & J. O. Sawyer 2011-6-9 13202 Riverside 1470 Comment
  SD229253  Adenostoma sparsifolium Dick Schwenkmeyer 2012-8-6 765 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
  SD84929  Adenostoma sparsifolium Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 430 Riverside North side of canyon ca. 350 yds above 1st turnout, east side of Santa Rosa Mt. Rd. south of Hwy 74, Palm Canyon drainage, Santa Rosa Mts. 1524 Comment
  CAS-BOT-BC69650  Adiantum capillus-veneris Ivan Johnston 1917-4-4 1074 Riverside Palm Canyon, Little Palm Canyon Fork. 304 Comment
  CAS-BOT-BC295627  Agnorhiza ovata Peter H. Raven 1962-5-18 17761 Riverside Mail Divide Truck Trail 3 miles above Ortega Highway 1005 Comment
  UCR201475  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-6-5 12077 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  RSA515335  Agrostis pallens Jeri Hirshberg 1989-3-20 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, S of Mesa de Burro and Nor of Mesa de la Punta., (Near 33 deg 31'N, 117 deg 13'W). 610 Comment
  RSA457393  Agrostis stolonifera A. R. Roos 1937-8-19 10693 Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA554329  Alchemilla arvensis Joe Di Bernardo 1992-4-16 92 -2 Riverside Coachella Valley, Palm Desert. Comment
  POM13217A  Aliciella latifolia E. C. Jaeger 1921-04 1129 Riverside Painted canyon, near Mecca. Comment
  POM764  Allionia incarnata I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. Comment
  RSA462625  Allionia incarnata Robert Gustafson 1980-4-3 1527 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  RSA793605  Allionia incarnata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4207 Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  JEPS121591  Allionia incarnata var. incarnata Adam C. Schneider with Will Freyman 2014-2-16 386 Riverside Box Canyon Road. Comment
  UCD138539  Allium haematochiton Geoffrey Levin 1975-4-26 480 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  CAS-BOT-BC472712  Allium lacunosum var. lacunosum Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  CAS-BOT-BC132019  Allium parishii Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  UCR16034  Allium peninsulare Steve Kulju 1974-4-27 s.n. Riverside Box Springs Mtns. Dirt road to the radio tower, 4 mi from Pigeon Pass Road. 762 Comment
  SEINET12043914  Allium praecox I. W. Clokey, Anderson, E. G. 1935-1 6550 Riverside E of Hemet 640 Comment
  UCR201505  Allophyllum gilioides subsp. violaceum Scott D. White, Justin M. Wood 2008-6-18 12223 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  SEINET2444582  Allophyllum glutinosum T. B. Salvato, Kent Beaman 2005-5-16 841 Riverside San Jacinto Mtn Foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74 (Blackburn Canyon 7.5' Q.). 549 Comment
  POM13056  Allophyllum violaceum E. C. Jaeger 1921-6-20 s.n. Riverside Tahquitz Valley, San Jacinto Mts. Comment
  CAS-BOT-BC170127  Alnus rhombifolia Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  POM2092  Alnus rhombifolia I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  SEINET3917839  Alopecurus howellii Robert F. Thorne 1973-5-23 43848 Riverside Santa ROSA PLATEAU: N side of Mesa de Colorado.; 0 610 Comment
  RSA793469  Amaranthus albus Duncan S. Bell 2012-9-13 4193 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
  UCR111747  Amaranthus albus G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above parking lot #6. 274 Comment
  UCD97074  Amaranthus arenicola T. B. Salvato; A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore and Buchanan on Avenue 56. -37 Comment
  SEINET998501  Amaranthus blitoides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-1 32496 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  UC1005235  Amaranthus californicus Edmund C. Jaeger 1939-12-26 Riverside 4 mi n Indio; Asio Canyon 121 Comment
Read comments
Nov 5 2011
  SEINET9120721  Amaranthus fimbriatus E. R. Blakley 1961-1 4715 Riverside Pinyon Flat, Palms to Pines Highway (Calif. 74). 1219 Comment
  RSA709116  Amaranthus hybridus Scott D. White, Justin Wood 2005-10-4 11236 Riverside Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCR26460  Amaranthus hybridus A. C. Sanders 1981-10-31 2393 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  RSA782354  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  UCR271682  Amaranthus palmeri Mitch Provance 2011-7-4 17178 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  SEINET959638  Amaranthus powellii A. C. Sanders 1999-1 23104 Riverside Peninsular Range; San Jacinto Mtns.: Graner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley (Butterfly Peak 7.5) 1448 Comment
  RSA595915  Ambrosia acanthicarpa Darin L. Banks, Lauren Raz 1996-11-5 1174 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
  UC750627  Ambrosia acanthicarpa Lewis S. Rose 1946-12-24 46308 Riverside 5 mi e Cabazon 441 Comment
  UCSB7142  Ambrosia acanthicarpa Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute Comment
  UCR247999  Ambrosia confertiflora O. F. Clarke 2009-11-26 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR278879  Ambrosia confertiflora Mitch Provance 2012-7-17 712- 19 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  CAS-BOT-BC22610  Ambrosia dumosa Samuel B. Parish 1907-4-23 6092 Riverside Palm Springs, Colorado Desert Comment
  LA202898  Ambrosia dumosa F. R. Fosberg; 1932-3-13 8071 Riverside Coachella Valley, Thousand Palms Canyon Comment
  POM14015  Ambrosia dumosa Philip A. Munz, D. D. Keck 1922-4-13 4934 Riverside Eagle Mountains 274 Comment
  RSA796102  Ambrosia dumosa Duncan S. Bell 2009-4-20 318 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC1118437  Ambrosia dumosa H. S. Yates 1936-4-8 5436 Riverside 2 mi se Willis Palm; Thermal Quad. 243 Comment
  UC896725  Ambrosia dumosa Alice Eastwood 1913-4-30 2990 Riverside Palm Springs Comment
  POM246589  Ambrosia ilicifolia E. C. Jaeger 1938-8-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts. Colorado Desert. Alt. 1200 ft 366 Comment
  RSA522112  Ambrosia psilostachya Steve Boyd, Timothy S. Ross 1989-8-28 3805 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR194219  Ambrosia psilostachya Scott D. White, Angelia Carey 2004-6-4 10478 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CAS-BOT-BC273030  Ambrosia salsola Roxana S. Ferris 1953-3-9 12597 Riverside Access road to Los Angeles Aqueduct up Berdoo Canyon, about 2 miles northeast of Indio-Desert Hot Springs road Comment
  UC1279725  Ambrosia salsola David B. Dunn 1946-2-21 3656 Riverside w of Indio (near Pushawalla); Colorado Desert, Indio Hills, Pushawalla Canyon Comment
  UCR262462  Ambrosia salsola A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41505 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  JOTR37495  Ambrosia salsola var. salsola Hodges, Stephen R., L. Ashfield 2016-1-20 624 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UC12060 Image available Amelanchier utahensis H. M. Hall Aug 1901 2422 Riverside vicinity Strawberry; San Jacinto Mountains 1524 Comment
  CAS-BOT-BC177260  Amorpha fruticosa Philip A. Munz 1937-5-30 15111 Riverside Dos [Palmos] Palmas Spring, north end of Santa Rosa Mts. 1097 Comment
  RSA768578  Amorpha fruticosa Justin M. Wood 2010-5-19 1847 Riverside Santa Ana River: 0.4 miles downstream of Prado outlet channel. 137 Comment
  UCR13797  Amorpha fruticosa var. occidentalis N. R. Zabriskie, W. W. Zabriskie 1971-8-20 429 Riverside Santa Rosa Mtns, N side of canyon bottom, c. 350 yds. above Hwy 74, Palm Canyon Drainage 1524 Comment
  POM319691  Amsinckia intermedia Patricia Wilder 1971-5-13 4952 Riverside Prado Flood Control Basin; along bank at east end of top of Prado. Alt. 650 ft. 198 Comment
  POM343354  Amsinckia intermedia F. R. Fosberg 1983-4-23 64197 Riverside Lower Whitewater Canyon Comment
  POM47130  Amsinckia intermedia Mary F. Spencer 1918-4-12 845 Riverside Palm Springs. 137 Comment
  RSA499893  Amsinckia intermedia Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert, Indio Rd. Comment
Read comments
Oct 23 2011
  RSA499969  Amsinckia intermedia N. C. Cooper 1944-4-23 1112 Riverside Banning 701 Comment
  RSA523552  Amsinckia intermedia G. H. True 1936-2-22 10 Riverside Mockingbird Canyon [in or near City of Riverside -SDW] 457 Comment
  SD137842  Amsinckia intermedia Darin L. Banks, Steve Boyd 1995-5-3 242 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, North slope of Agua Tibia Mountain, East of Dripping Springs Alcove Area,Arroyo Seco 500 Comment
  UC1929489  Amsinckia intermedia Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10460 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR225599  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38832 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  UCR274306  Amsinckia intermedia T. B. Salvato, Melissa Clemons 2005-6-6 1427 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA0089630  Amsinckia intermedia F. R. Fosberg 1932-5-9 10638 Riverside St. Johns Grade near Hemet. 770 Comment
  UCR241949  Amsinckia retrorsa A. C. Sanders, Timothy W. Chumley 2013-3-28 40708 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  UC1563007  Amsinckia tessellata var. tessellata Steve Boyd 1986-3-1 1372 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  LA202847  Amsonia tomentosa Martha Hilend; 1932-3-25 sn Riverside Chuckawalla Mts. about 3 mi. above Corn Spring Comment
  UCR89654  Amsonia tomentosa Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  RSA525325  Ancistrocarphus filagineus Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4456 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UCR111724  Anemone tuberosa L. C. Wheeler 1953-3-31 7042 Riverside Sonoran (Colorado) Desert, Riverside Mountains, near Mountaineer Mine 313 Comment
  RSA621891  Anemopsis californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3671 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  JEPS33970  Antennaria rosea Carl V. Meyer 1928-7-27 556 Riverside dry grassy valley floor Tamarack Valley; San Jacinto Mts., Tamarack Valley Comment
  POM48634  Antennaria rosea Mary F. Spencer 1919-6-25 1219 Riverside Tacquitz Meadow, San Jacinto Mt. 2378 Comment
  SEINET6755346 Image available Antennaria rosea H. M. Hall 1901-1 2401 Riverside San Jacinto Mountains 2835 Comment
  SEINET2028544 Image available Antennaria speciosa H. M. Hall 1901-6-1 2401 Riverside San Jacinto Mountains 2830 Comment
  RSA1552  Antirrhinum coulterianum J. T. Howell 1928-7-9 1075 Riverside San Juan Canyon road, Elsinore Mts. Comment
  RSA395356  Antirrhinum coulterianum Steve D. Boyd 1986-4-22 1742 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA72773  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9844 Riverside 2 miles east of Aguanga. Comment
  UC64222  Antirrhinum coulterianum H. M. Hall 1900-1 579 Riverside vicinity Riverside (Gavilan Mts); Gavilan Mts., Riverside 457 Comment
  UCR133654  Antirrhinum coulterianum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR20793  Antirrhinum coulterianum A. C. Sanders, Steve Boyd 1980-5-2 1411 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR49243  Antirrhinum coulterianum Steve Boyd 1986-4-22 1742 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 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
  POM354918  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UC1537412  Antirrhinum nuttallianum subsp. nuttallianum Gordon H. True Jr. 1935-4-17 242 Riverside Mockingbird Canyon 457 Comment
  SD28023  Aphyllon cooperi subsp. latilobum Carl B. Wolf 1932-4-29 3113 Riverside Blythe, Rice Road; 4.0 miles south of Browns Well. 213 Comment
  POM9018  Apiastrum angustifolium P. A. Munz 1920-3-20 3388 Riverside Temescal Canyon 366 Comment
  UCR128308  Apocynum cannabinum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8624 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR133682  Apocynum cannabinum John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0125490  Arabis M. B. Dunkle 1935-3-31 4436 Riverside Hills North Cottonwood Springs. Colorado Desert. 701 Comment
  UCR241188  Arabis glabra Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 515 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR151100  Arabis sparsiflora Scott D. White, Julie Greene 1998-8-1 6966 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR153380  Arabis sparsiflora R. F. Thorne, Et al. 1969-6-24 38138 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hill north of James Reserve and Lake Fulmor 1677 Comment
Read comments
Nov 13 2008
  RSA629412  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19503 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629422  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16852 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629480  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7256 Riverside Road to Black Mountain off Highway 243. 1600 Comment
  CAS-BOT-BC23115  Arctostaphylos glandulosa subsp. glandulosa H. M. Hall 1901-7-1 2419 Riverside San Jacinto Mts. In open forersts of Tauquitz Valley 2560 Comment
Read comments
Sep 12 2019
  RSA122392  Arctostaphylos glauca A. Lewis 1933-2-2 148 Riverside Reed Valley 1220 Comment
Read comments
Oct 30 2011
  RSA612823  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA631753  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16517 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  SD152870  Arctostaphylos glauca Steve Boyd 1992-10-14 7716 Riverside Southern Santa Ana Mountains, northeastern corner of the silderness, south of Elsinore Peak. 975 Comment
  RSA633539  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22664 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633565  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20155 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633679  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20114 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633693  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21777 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633762  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16689 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA783228  Arctostaphylos pringlei J. D. Olmsted 1962-5-2 3467 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  UCR4058  Arctostaphylos pringlei Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns, 10 mi from Banning toward Idyllwild 1067 Comment
  LA42423  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  SD3568  Arctostaphylos pringlei subsp. drupacea Florence Youngberg 1933-8-28 Riverside San Jacinto Mtns., near Idyllwild Pines, near Inspiration Point Comment
  UCSB4756  Arctostaphylos pringlei subsp. drupacea Gill, Robert 1959-11-22 Riverside Idyllwild; San Jacinto Mt. Range; Pacific slope drainage area 1645 Comment
  SD233274  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains: Quinn Flat Meadow. Meadow and adjacent uplands. 1372 Comment
  RSA636161  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18808 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR189791  Arctostaphylos rainbowensis Amy Rowland 2007-9-19 110 Riverside Peninsular Range; Santa Ana Mountains, San Mateo Canyon, by the Tenaja trailhead off Cleveland Forest Rd (west side, near restrooms). Found on on southwest side of trail 608 Comment
  UCR12531  Arctotis fastuosa Charlene McHaney 1972-5-1 s.n. Riverside large field on Florida Street, Valle Vista, near Hemet 559 Comment
  UCR133358  Argemone munita Tracy Tennant, J. S. Ross 1998-4-30 MOR- 62 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  CAS-BOT-BC401653  Argemone munita subsp. argentea Philip A. Munz 1940-3-23 15675 Riverside South base, Pinto Mts., road Dale to Cottonwood Springs 609 Comment
  RSA0119889  Argyrochosma jonesii Duncan S. Bell, Thomas Stoughton 2016-4-12 9220 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  HSC34949  Aristida adscensionis R. W. Spjut 1972-2-1 2164 Riverside Colorado Desert, N base of Chuckawalla Mts., 3 to 4 mi. S of Desert Center 305 Comment
  JOTR35938  Aristida adscensionis De Groot, Sarah J., Evan Meyer and Abby Hird 2013-3-23 6886 Riverside Joshua Tree National Park. north and northwest part of Lost Palms Oasis 960 Comment
  UCD56407  Aristida adscensionis D. Fenfrock 1951-5-10 s.n. Riverside Hwy. 60-70 at Black Rock, 10 miles west of Blythe. Comment
  UCR148855  Aristida adscensionis 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
  UCR198199  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1916 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  GMDRC2038  Aristida californica var. californica J. Andre, T. La Doux 2006-4-11 6739 Riverside Pinto Basin: Pinto Basin: about 1 mi. N. of Pinto Basin Rd (paved) growing in the Sand Hill area, stabilized dunes. Elev. 1728 ft. 527 Comment
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  SBBG93043  Aristida purpurea A. C. Sanders 1989-9-20 9513 Riverside Tabaseca Tank, in the extreme northern end of the Chocolate Mtns; Chocolate Mtns Aerial Gunnery Range 610 Comment
  UCR117105  Aristida ternipes var. gentilis A. C. Sanders, T. B. Salvato 2001-5-16 24301 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
  RSA650458  Artemisia californica C. J. Humphrey, Herbery Humphrey 1936-6-7 395 Riverside In foothills 18 miles East of Riverside. 548 Comment
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Dec 15 2011
  RSA750538  Artemisia californica Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12588 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UCR59135  Artemisia californica N. M. Fellows 1986-1-18 165 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mt 506 Comment
  RSA495794  Artemisia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2901 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  CLARK-A1528-155  Artemisia dracunculus John C. Roos 1951-9-23 Riverside Reche Canyon Comment
  UCR100164  Artemisia ludoviciana subsp. incompta Scott D. White 1992-12-16 985 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UCR34905  Artemisia tridentata L. B. Ziegler 1964-8-10 003 Riverside San Jacinto Mtns, Garner Valley 1375 Comment
  POM13865  Artemisia tridentata subsp. tridentata Philip A. Munz 1922-4-29 5103 Riverside Dripping Spring, Temecula Creek. 548 Comment
  POM294106  Artemisia tridentata subsp. tridentata Lyman Benson 1945-11-10 11917 Riverside 5 miles west of Aguanga. 457 Comment
  RSA778883  Asclepias albicans Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 809 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA0104761  Asclepias californica Michael Wall 1995-4-14 103 Riverside Temecula Valley, along Hwy 79, 5.7 miles east of Interstate 15, southeast of Temecula, west of Vail Lake. Comment
  UCR133948  Asclepias eriocarpa John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  UCR34994  Asclepias eriocarpa L. B. Ziegler 1972-6-26 487 Riverside San Jacinto Mtns, [Hemet] Garner Valley 1400 Comment
  UCSB12491  Asclepias erosa Breedlove, Dennis 1961-9-11 Riverside 20 mi. W of Blythe on U.S. 60-70 1066 Comment
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Mar 29 2014
  POM11411  Aspidotis californica F. M. Reed 1908-2-23 2236 Riverside Jurupa Hills, near Riverside Comment
  UCR129604  Aspidotis californica Marcus E. Jones 1930-3-5 26519 Riverside Temescal Valley/Santa Ana Mtns., Glen Ivy 488 Comment
  CAS-BOT-BC68758  Asplenium vespertinum P. A. Munz 1922-4-28 5036 Riverside Leach Canyon, Santa Ana Mts. 762 Comment
  CLARK-A1528-5445  Aster menziesii John C. Roos 1951-10-19 Riverside San Timoteo Canyon dry, semi-alkaline road side; with Artemisia douglasiana and Distichlis stricta; ; El Casco 7.5' 609 Comment
  RSA781528  Astragalus aridus Duncan S. Bell 2010-5-1 873 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR90270  Astragalus aridus John Wear 1994-4-21 s.n. Riverside Coachella Valley, near Bermuda Dunes, Ave. 38 at Varner Rd 61 Comment
  RSA0025521  Astragalus bernardinus John F. Emmel 1986-4-12 996 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  UCD104690  Astragalus crotalariae David S. Verity; Jane Turner, Francis M. Ball 1964-2-15 SK and F 1366 Riverside E side Salton Sea ca. 1 mile N of Imperial Co. line. Comment
  RSA90156  Astragalus didymocarpus F. W. Peirson 1914-1 576 Riverside Whitewater, east of Cabezon Comment
  RSA678418  Astragalus didymocarpus var. dispermus Michael Wall 2003-4-6 258 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  UC68629  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5940 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  POM229793  Astragalus douglasii var. parishii P. A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak. 2348 Comment
  UCR25291  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  CAS-BOT-BC187115  Astragalus lentiginosus var. borreganus H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert 240 Comment
  UC517561  Astragalus lentiginosus var. coachellae John Thomas Howell 1928-3-11 3439 Riverside Garnet Station , Garnet Station (Coachella Valley) Comment
  UCD170768  Astragalus lentiginosus var. coachellae George K. Helmkamp 1994-3-8 41 -11 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. and Varner Rd, below Edom Hill. 200 Comment
  GMDRC5491  Astragalus lentiginosus var. fremontii J. Andre 2012-4-16 20938 Riverside Little San Bernardino Mountains: along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of Natl Park Loop Rd (paved). 990 Comment
  SD146277  Astragalus nuttallianus B. Pitzer, Tracy Tennant 1998-2-21 3533 Riverside Hayfield Dry Lake, on the lakebed, 0.50 to 0.75 mile southeast of the pumping station. 395 Comment
  RSA653167  Astragalus nuttallianus var. imperfectus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 520 Comment
  SEINET12160058  Astragalus palmeri E. A. Purer 1935-1 6467 Riverside Palm Springs Comment
  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
  UCR238090  Astragalus pomonensis Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2048 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA758486  Athysanus pusillus M. Wall 2010-4-9 552 Riverside Bautista Creek east of Hemet, Bautista Canyon Rd. ca. 6.4 Miles SE of jct. with Fairview Ave. 713 Comment
  CAS-BOT-BC98815  Atrichoseris platyphylla Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Painted Canyon near Indio Comment
  JOTR35078  Atrichoseris platyphylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3529 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  RSA489175  Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SD258308  Atrichoseris platyphylla J. M. Andre 2013-3-27 24822 Riverside Parker SW; Riverside Mountains; east side of riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Jct. 125 Comment
  UCSB9777  Atrichoseris platyphylla Haller, John 1958-3-22 Riverside Immediately S. of Hwys 60-70, 5.8 miles E. of Desert Center Comment
  RSA0065528  Atriplex Marion P. Harthill 1971-3-19 54 Riverside Borrego Desert. Comment
  UCR277927  Atriplex argentea Mitch Provance 2012-11-19 1112- 01 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
  UCR201824  Atriplex argentea subsp. expansa Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  POM278726  Atriplex canescens Grant D. Brown 1950-12-2 591 Riverside Mockingbird Canyon, about 4 miles up the canyon 412 Comment
  RSA0039848  Atriplex canescens Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC along Dos Palmas Road, between visitor parking and Dos Palmas well. Comment
  SD174862  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4315 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of jct Ellis Avenue and first road east of I-215. Perris 7.5' quad. Plants in open scald areas. 427 Comment
  SEINET3931219  Atriplex coronata var. notatior John Roos 1952-1 Riverside Comment
  UCR66973  Atriplex coronata var. notatior D. E. Bramlet 1990-6-14 2038 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, c. 400 m north of the Santa Fe RR tracks and adjacent to (E of ) MWD canal, c. 900 m west of Warren Ave 457 Comment
  SD254590  Atriplex elegans Jeremiah George 2014-12-11 Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, aea boxed in by commecial development (Beaumont 7.5'Q) 772 Comment
  JEPS59582  Atriplex hymenelytra W. L. Jepson 1927-4-12 11641 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  UCSB18446  Atriplex hymenelytra Winn, Will 1963-2-23 Riverside 3 mi S of of Ave 56 and [Coachella] All American Canal 9 Comment
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Jun 6 2013
  CAS-BOT-BC169298  Atriplex lentiformis Louis C. Wheeler 1931-11-27 387 Riverside 3 mi. SE Salton Bench Mark -76 Comment
  RSA478278  Atriplex lentiformis Jack Rempel 1932-11-11 16115 Riverside Dos Palmos Springs, Colorado Desert Comment
  CAS-BOT-BC176530  Atriplex polycarpa D. B. Dunn; H. Brown 1947-1-12 2835 Riverside Pushawalla Canyon, Indio Hills Comment
  UCR229495  Atriplex serenana Jeremiah George 2011-8-3 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, north end of Pasadena Ave., SE of Hwy 74/Riverside Dr. 386 Comment
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Sep 4 2018
  CAS-BOT-BC176761  Atriplex serenana var. serenana A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tesquesquite and the river 232 Comment
  UCR112389  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-5-21 21854 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR49993  Atriplex suberecta S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  CAS-BOT-BC146195  Avena barbata B. Pitzer 1997-4-1 3045 Riverside Lakeview Mountains, ca. 0.75 air mile south southwest of Mount Rudolph, ca. 1 air mile northeast of Contour (Juniper Flats) Road. 665 Comment
  RSA495453  Avena barbata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2981 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  CDA23778  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509236 Riverside Temecula, 46062 Vista Del Mar, X Los Gatos. 0 Comment
  RSA48878  Baccharis salicifolia J. C. Roos 1949-9-21 4664 Riverside Reche Canyon, 2.7 miles south of Hollow Hill Dairy 457 Comment
  UC30368  Baccharis salicifolia subsp. salicifolia E. L. Koethern 1897-10-20 Riverside west Riverside 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
  POM46867  Baccharis sergiloides George B. Grant 1906-05 s.n. Riverside Palm Springs Comment
  RSA696791  Baccharis sergiloides J. Russell Bruff 1927-11-24 7 Riverside Whitewater. Comment
  UC667321  Baccharis sergiloides Annie M. Alexander and Louise Kellogg 1941-5-23 2229 Riverside Cottonwood Spring Eagle Mts. 883 Comment
  POM10164  Bahiopsis parishii Philip A. Munz 1921-4-30 4503 Riverside Pinyon Wells 1220 Comment
  CAS-BOT-BC99950  Baileya pauciradiata Geo. B. Grant 1906-4-20 6709 Riverside Palm Springs, Colorado Desert Comment
  POM15186  Baileya pauciradiata Mary F. Spencer 1922-4-11 1953 Riverside Palm Springs, Colorado Desert 122 Comment
  POM350668  Baileya pauciradiata Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR280381  Baileya pleniradiata Onkar Singh 2012-2-25 2543 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Palen Sand Dunes west of Palen Dry Lake 140 Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  POM299269  Bebbia juncea A. M. Alexander, Louise Kellogg 1941-5-15 2182 Riverside north base of Eagle Mountains. 915 Comment
  RSA450419  Bebbia juncea J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA516869  Bebbia juncea Steve Boyd, Thomas S. Elias, B. Roy, S. Meury, S. Zona 1986-3-5 1342 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  UCR199615  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  HSC101197  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  JEPS32146  Bebbia juncea var. aspera W. L. Jepson 1927-4-11 11626 Riverside Whitewater Bridge 457 Comment
  CLARK-A1656-758  Beloperone californica Theo Glenn 1982-1-22 Riverside Palm Springs 149 Comment
  SD181675  Berberis dictyota Scott D. White, Pam DeVries 2000-4-25 7735 Riverside Temescal Valley, eastern foothills of Santa Ana Mountains just above citrus groves; Corona South [quad]. 412 Comment
  SD218993  Berberis nevinii M. Wall 2009-6-10 518 Riverside South of Redlands, ca. 0.75 mile up an unnamed canyon off San Timoteo Canyon Rd., ca. 0.5 mile NW of jct with Allesandro Blvd. 495 Comment
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Oct 28 2013
  UC19133  Bergia texana Samuel B. Parish 1891-11-5 2240 Riverside Elsinore Lake Comment
  CAS-BOT-BC207051  Bernardia incana S. B. Parish; W. F. Parish 1882-3-1 752 Riverside Borders of the Colorado Desert, Whitewater. Comment
  JOTR32874  Bernardia incana La Doux, Tasha, E. Babich 2008-3-5 3017 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 3mi NE of Cottonwood Visitor Center; open rocky bajada/pediment 1085 Comment
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Jan 19 2014
  UCR92654  Berula erecta F. M. Reed 1933-8-13 8012 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  RSA180309  Bloomeria crocea var. crocea E. W. Lathrop 1965-5-30 5786 Riverside 6 miles W of Murrieta. Comment
  RSA367448  Bloomeria crocea var. crocea Jeannette B. Edge 1934-4-18 s.n. Riverside Near Highgrove. Comment
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Jun 10 2012
  RSA503136  Bloomeria crocea var. crocea J. D. Olmsted 1962-5-10 3616 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  SD133144  Boechera californica Scott White 1991-5-13 91 109 Riverside Highway 79 immediately west of U. S. Forest Campground at Dripping Springs. 550 Comment
  SEINET7249041  Boerhavia erecta var. intermedia Andrew C. Sanders, T. B. Salvato 2012-1 Riverside Comment
  CAS-BOT-BC502087  Boerhavia triquetra A. C. Sanders; Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Rd c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mtns Aerial Gunnery Range 433 Comment
  GMDRC3103  Boerhavia triquetra J. Andre, T. La Doux 2008-9-13 10264 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  RSA781885  Boerhavia triquetra Duncan S. Bell 2011-10-22 3003 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA608165  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 C Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR274420  Boerhavia wrightii Duncan S. Bell, Evan Meyer 2014-10-22 7653 A Riverside southwestern section of Orocopia Mountains, c. 3.6 air miles north-northeast of Dos Plmas 404 Comment
  CAS-BOT-BC31024  Bolboschoenus maritimus Howard Walton Clark 1926-6-1 s.n. Riverside Indio. Comment
  UCR264213  Bouteloua aristidoides A. C. Sanders, Jim Malusa 2015-9-10 41861 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  LA211888  Bouteloua barbata var. barbata Deidre Conocchioli; Caitlin Elam 2013-10-1 74 Riverside CHOCOLATE-CHUCKWALLA MOUNTAINS, East of Little Chuchwalla Mountains. From Blythe, CA, Take I-10 W for 17.8 miles, take the Wiley's Well Road exit. Turn left (S) on Wiley's Wll Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion 177.0 Comment
  POM159823  Bowlesia incana E. C. Jaeger 1926-3-24 s.n. Riverside White Tanks, Western end of Pinto Mts. Comment
  UCR260604  Bowlesia incana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41542 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  UCR92235  Bowlesia incana D. L. Banks, Steve Boyd 1995-3-16 0103 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove. 610 Comment
  POM7546  Brandegea bigelovii P. A. Munz, R. D. Harwood 1920-4-2 3564 Riverside Between Blythe Junction and Blythe 305 Comment
  RSA77414  Brandegea bigelovii F. W. Peirson 1921-3-23 2387 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  RSA0009699  Brandegea bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SBBG98217  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside W side of San Jacinto Mtn 1371 Comment
  UCR172193  Brassica kaber 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
  RSA0102675  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA782082  Brassica tournefortii Duncan S. Bell 2009-3-9 123 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  UCR239805  Brassica tournefortii O. F. Clarke 2004-2-25 s.n. Riverside San Bernardino Valley Region, Box Springs Mountains, Two Trees Canyon 412 Comment
  UCR51366  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside San Bernardino Valley Region, City of Riverside, W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak 457 Comment
  RSA229521  Brickellia arguta Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  CAS-BOT-BC106341  Brickellia atractyloides var. arguta Marcus E. Jones 1926-5-13 s.n. Riverside Old Woman Mts. 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
  RSA339235  Brickellia incana R. F. Thorne 1979-8-23 53618 Riverside Cottonwood Springs Area Comment
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Oct 9 2010
  RSA561876  Bromus anomalus Steve Boyd, Timothy S. Ross 1992-6-10 7633 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  CAS-BOT-BC149330  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside 8th Street, Riverside. Comment
  SEINET3921446  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside, jct. of Pennsylvania and Iowa aves.; 0 Comment
  UCR20626  Bromus carinatus John C. Roos, L. Roos 1954-5-29 6122 Riverside Canyon 1 mi SE of summit of Reche Canyon 686 Comment
  UC37667  Bromus carinatus var. carinatus H. M. Hall June, 1901 2033 Riverside San Jacinto Mountains 1341 Comment
  RSA801947  Bromus carinatus var. marginatus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6158 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCR201650  Bromus diandrus Scott D. White, Justin M. Wood 2008-5-15 11997 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UC1146110  Bromus emarginatus E. K. Balls 1958-6-27 23293 Riverside between Santiago Peak and Indian Truck Trail (along Main Divide, Santa Ana Mountains); Santa Ana Mountains, Main Divide 1371 Comment
  RSA702384  Bromus hallii Naomi Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1286 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  SDSU13675  Bromus hordeaceus Jutta Buschbom 1991-9-6 4 Riverside SE-Slope, N-Border of the Reserve, beyond an avocado-grove, ca. 500 m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve. Comment
  UCR171969  Bromus hordeaceus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  RSA741181  Bromus japonicus Scott D. White, Justin M. Wood 2008-6-17 12168 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA1446770  Bromus marginatus William McKinley Klein 1960-8-22 1586 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  CAS-BOT-BC161814  Bromus rubens V. W. Steinmann; D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinot Mountains, lower portion of Chino Canyon alluvial plain, 1 km south of Highway 111 at a point ca. 1.5 km northwest of the Tramway-San Rafael intersection. 300 Comment
  CLARK-A1528-4563  Bromus trinii John C. Roos, Lucille Roos 1952-5-24 5711 Riverside Moreno Valley 518 Comment
  UCR18522  Bromus trinii Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  UCR214117  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37747 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-15 436 Comment
  SEINET13203179 Image available Cactaceae Marc A. Baker, Michelle Cloud, Hughes 2015-1 18297 .1 Riverside Chuckwalla Mountains, 4.1km WNW of Corn Spring, 630m NE of Aztec Well, 71km west of central Blythe, narrow valley floor 834 Comment
  SEINET7347688  Caesalpinia virgata N. H. Holmgren, P. K. Holmgren 1974-3-23 7462 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  UC1080448  Caesalpinia virgata P. C. Everett and E. K. Balls 1958-4-29 22958 Riverside Indio to Blythe (U.S. Hwy. 60/70, 5 mi. e. from junction with U.S. Hwy. 99) 121 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
  UC1506080  Calandrinia ciliata Robert T. Clausen 1963-4-18 63051 Riverside in plots of Soil Conservation Service Transverse Ranges, Temecula 300 Comment
  UC56761  Calandrinia ciliata H. M. Hall April, 1902 2916 Riverside vicinity Winchester 304 Comment
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Mar 20 2011
  UCR111602  Calandrinia ciliata Mitch Provance 1998-4-8 1776 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  RSA667102  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region: between Pedley & Mira Loma, Sims property at NE corner of Limonite Av. & Bain St. 210 Comment
  NY409595  Callitriche marginata R. F. Thorne 1969-5-12 37925 Riverside Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho California Comment
  POM122635  Calochortus concolor Marcus E. Jones 1925-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA291568  Calochortus concolor C. W. Tilforth 1980-7-15 2079 Riverside South of Tool Box Springs Campground, Thomas Mtn. Rd., south of Lake Hemet & west of [Highway] 74. Comment
  UCSB26905  Calochortus concolor Wilken, Dieter 1969-6-30 Riverside On road to Santa Rosa Mountain, 4.0 miles east of California State Highway 74, Santa Rosa Mtns Comment
  SD63338  Calochortus invenustus Walter Bertsch 1957-6-29 948 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2660 Comment
  CAS-BOT-BC483415  Calochortus invenustus Mary F. Spencer 1919-6-20 1353 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  CAS-BOT-BC132459  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  RSA501010  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3129 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  UCR21916  Calycadenia tenella Steve Boyd 1980-5-8 217 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  POM13899  Calycoseris parryi Philip A. Munz 1922-4-9 4776 Riverside Shavers Well, near Mecca. 76 Comment
  UC63097  Calycoseris parryi H. M. Hall 1901-5-1 1857 Riverside e base, along the borders of the Colorado Desert San Jacinto Mountains Comment
  JOTR35046  Calycoseris wrightii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3499 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  SBBG7844  Calycoseris wrightii T. L. Secrest 1948-4-7 Riverside ca. 5 mi below Whitewater Comment
  JEPS122469  Calyptridium monandrum J. M. Andre 2012-6-15 30540 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  UCR177643  Calyptridium monandrum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR178002  Calyptridium monandrum S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR16647  Calyptridium monospermum Pam Maynard 1974-5-26 s.n. Riverside San Jacinto Mtns., Idyllwild, Humber Park trail 2744 Comment
  RSA614702  Calystegia macrostegia subsp. intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1327 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  CAS-BOT-BC221319  Calystegia macrostegia subsp. tenuifolia John Thomas Howell 1930-5-10 4801 Riverside At top of St. John's Grade Comment
  UCR169390  Calystegia occidentalis subsp. fulcrata T. B. Salvato, John F. Green 2004-5-27 613 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC199281  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA511362  Camissonia B. Pitzer, E. Misquez 1988-3-20 673 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 549 Comment
  UC1184253  Camissonia Peter H. Raven 1958-1-25 11477 Riverside 5.5 mi se Painted Canyon turn-off; Box Canyon Comment
  POM272015  Camissonia bistorta Lyman Benson 1932-3-26 3170 Riverside Temecula Valley. 549 Comment
  UCR133976  Camissonia bistorta Mitch Provance, J. S. Ross 1998-3-27 MOR- 965 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR49260  Camissonia bistorta Steve Boyd 1986-4-2 1629 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA175081  Camissonia boothii subsp. condensata Robert F. Thorne 1963-3-29 32426 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  RSA778487  Camissonia boothii subsp. condensata Duncan S. Bell 2009-3-8 52 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR148311  Camissonia brevipes John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  POM13037  Camissonia brevipes subsp. brevipes P. A. Munz, D. D. Keck 1922-4-9 4894 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA466015  Camissonia brevipes subsp. brevipes Robert Gustafson 1980-4-3 1517 Riverside Orocopia Mountains, about 15 miles E of Mecca on Box Canyon road, thence about 2 miles S along dirt road 579 Comment
  POM17949  Camissonia californica P. A. Munz 1923-6-14 7107 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA0029396  Camissonia campestris subsp. campestris Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4680 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  SEINET3259929 Image available Camissonia campestris subsp. campestris Marcus E. Jones 1882-4-24 3168 Riverside San Jacinto. Comment
  CLARK-A1528-660  Camissonia cardiophylla subsp. cardiophylla Charlotte Stocks 1962-5-23 Riverside Coachella Comment
  CLARK-A1528-3359  Camissonia claviformis subsp. aurantiaca John C. Roos 1937-4-18 1366 Riverside Snow Creek Comment
  RSA448923  Camissonia claviformis subsp. aurantiaca F. R. Fosberg 1932-3-13 8096 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA170707  Camissonia confusa J. Olmstead 1962-5-3 3473 Riverside E slope on Baldy Mt., along Pines to Palms hwy., 1 1/2 mi. S of 4936' summit south of Mt. Center. San Jacinto -Santa Rosa Mts. 1311 Comment
  UCR115340  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16254 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
  UCR20818  Camissonia confusa A. C. Sanders 1980-5-22 1505 Riverside San Jacinto Mtns., Hwy 243, 0.6 mi above the foot of the mtn. at Smith Creek 732 Comment
  UCR132486  Camissonia hirtella Tracy Tennant, T. B. Salvato 1998-6-23 477 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR280966  Camissonia hirtella Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 36 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR44220  Camissonia hirtella A. C. Sanders 1986-6-1 6534 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA525263  Camissonia ignota Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4576 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR87983  Camissonia ignota Karin Cleary 1992-4-6 115 Riverside near top of ridge west of California St., [Reinhardt Canyon] Hemet 610 Comment
  UCR50416  Camissonia micrantha 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
  UCR213765  Camissonia pallida Scott D. White, Justin M. Wood 2009-4-28 12609 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  SEINET12189026  Camissonia pallida J. F. Bright, Wyman, C. 1933-1 8044 Riverside Comment
  POM260479  Camissonia pallida subsp. hallii Reid V. Moran 1941-5-5 844 Riverside East of Quail Spring[s], Joshua Tree National Monument 1300 Comment
  RSA674931  Camissonia strigulosa Scott D. White, Tasha LaDoux 2000-4-23 7721 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
  UCSB42114  Camissonia strigulosa Roos, John 1965-6-13 Riverside Mountain Center, San Jacinto Mtns Comment
  UCR166113  Camissoniopsis pallida subsp. pallida A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al 1995-3-19 16160 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  CLARK-A1528-2300  Capsella bursa-pastoris John C. Roos 1966-3-24 Riverside Hemet Comment
  CSUSB542  Capsella bursa-pastoris Leland R. Dykes 1962-3-25 6 Riverside 4831 Robidoux Ave. Riverside Comment
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Feb 24 2013
  RSA593884  Capsella bursa-pastoris Steve Boyd, Dave Bramlet 1996-4-19 8616 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR194821  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  UCR176586  Carex alma N. M. Fellows, A. C. Sanders 1985-5-7 168 B 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
  CAS-BOT-BC18026  Carex athrostachya Peter Kamb 1947-6-7 579 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  UCD140179  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground. San Jacinto Mountains. 1785 Comment
  UCR150985  Carex heteroneura var. heteroneura L. C. Wheeler 1961-6-20 7896 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  UCR128299  Carex multicaulis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8653 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA92097  Carex nebrascensis F. W. Peirson 1924-7-27 5002 Riverside South side of Dark Canyon, San Jacinto Mountains. 2499 Comment
  CAS-BOT-BC118509  Carex praegracilis Earl W. Lathrop 1959-4-26 4508 Riverside 14 mi W of Murrieta, Tenaja Plateau. Comment
  RSA740952  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12259 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR281880  Carex praegracilis Mitch Provance 2012-11-9 1112- 16 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  CAS-BOT-BC117863  Carex sartwelliana Frederick Morris Reed 1908-7-14 2472 Riverside San Jacinto Mountains. 1767 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
  RSA764196  Carex senta Scott D. White, Justin M. Wood 2008-6-18 12221 Riverside K Flat Meadow. 1433 Comment
  SEINET11249257  Carex spissa Steven R. Hill, Andrew C. Sanders 2001-1 Riverside Comment
  CLARK-A1528-1691  Carthamus tinctorius John C. Roos 1965-7-7 Riverside Beaumont Comment
  SEINET10476947  Castanopsis sempervirens David B. Dunn 1946-8-16 Dunn 2674 Riverside Jolly springs ravine on trail up devil's slide. San jacinto mts. Comment
  SDSU10537  Castilleja affinis D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  RSA312182  Castilleja applegatei subsp. martinii N. C. Cooper 1944-4-22 1131 Riverside Banning. 732 Comment
  UCR139023  Castilleja exserta D. L. Banks 1997-4-5 1709 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UCR281788  Castilleja exserta Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 101 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  RSA586141  Castilleja exserta subsp. exserta D. L. Banks 1995-4-11 184 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trai. 512 Comment
  SD137615  Castilleja foliolosa Darin L. Banks 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn. area. 789 Comment
  RSA701363  Castilleja minor subsp. spiralis Steve D. Boyd, Aydee Virgen 2004-4-13 10866 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SD136752  Castilleja minor subsp. spiralis Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7329 Riverside 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 366 Comment
  UC495228  Castilleja minor subsp. spiralis Commander Dammers Oct 1930 Riverside Palm Springs Comment
  UCR262250  Castilleja minor subsp. spiralis T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3733 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR71902  Castilleja minor subsp. spiralis Steve Morgan, H. M. Soldan 1992-5-25 92- 2 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  RSA0120135  Caulanthus hallii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9082 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  SJSU8306  Caulanthus heterophyllus G. L. Willey 1975-11-17 Riverside Wileys Well (?) [locality questionable, probably from near the coast at some point in S California] 176 Comment
  UCR280954  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 61 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  CAS-BOT-BC126757  Caulanthus lasiophyllus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37458 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA398819  Ceanothus cordulatus H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC48499  Ceanothus crassifolius A. C. Sanders 1998-1-15 21629 Riverside Lake Skinner area: Black Mtn., along road up north side (Bachelor Mtn. 7.5' Q. 883 Comment
  LA41989  Ceanothus crassifolius W. E. Pequegnat; 1937-8-25 sn Riverside Santa Ana Mountains, Palo Comado SMMNRA, Glen Ivy Trail 457 Comment
  RSA501020  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3139 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA562618  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-1 7722 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA614127  Ceanothus crassifolius D. L. Banks 1997-2-23 1294 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 368 Comment
  SD137652  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 680 Comment
  UCR241215  Ceanothus cuneatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 53 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, east fork of Hathaway Canyon 945 Comment
  POM254881  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  RSA399315  Ceanothus leucodermis N. C. Cooper 1949-6-29 4342 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA701751  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  SEINET2078718  Ceanothus leucodermis G. Rink 1999-5-22 Riverside San Jacinto Mountains, Highway. 243 Comment
  SD134388  Ceanothus ophiochilus Craig Reiser 1990-7-1 Riverside Crest of Oak Mountain W of Vail Lake Comment
  SDSU12875  Ceanothus thyrsiflorus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 31 Riverside Next to Santa Margarita (SDSU) Field Station trailer due north of Gorge, above Santa Margarita River. 354 Comment
  RSA535466  Ceanothus tomentosus var. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6651 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  RSA562101  Ceanothus tomentosus var. olivaceus Steve Boyd 1992-4-14 6805 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA525287  Centaurea melitensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4600 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA522287  Centaurea repens Steve Boyd 1989-7-6 3758 Riverside open field S of Jurupa, E of intersection with Van Buren Ave. Comment
  RSA74576  Centaurea repens J. C. Roos 1947-7-5 2908 Riverside Junction of San Timoteo and Live Oak Creeks. 457 Comment
  UCR62354  Centaurea repens O. F. Clarke 1990-5-24 s.n. Riverside Riverside, intersection of Jackson Street and Victoria Avenue Comment
  CAS-BOT-BC284480  Centaurea solstitialis Jerry Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley near Hwy 215 Comment
  RSA69871  Centaurea solstitialis J. C. Roos 1951-9-25 5253 Riverside Fairmount 259 Comment
  JEPS46382  Centaurium venustum W. L. Jepson 1901-5-22 1366 Riverside s of Hemet Valley (Palm Canyon and return to Van Deventer's); Palm Canyon Comment
  UC22695  Centaurium venustum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  RSA707580  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SD6128  Centrostegia thurberi 1917-5-1 Riverside Mojave Desert near Hesperia Comment
Read comments
Nov 20 2011
  RSA673547  Cerastium glomeratum Scott D. White, Tasha La Doux 2000-4-20 7705 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  CSUSB929  Cercidium floridum M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  RSA776695  Cercidium floridum Duncan S. Bell, Amanda Turek 2010-4-10 788 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA561894  Cercocarpus betuloides Steve D. Boyd, Tim S. Ross 1992-6-10 7637 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido., An isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA575081  Cercocarpus betuloides Steve D. Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, eastern flank of the range in Santa Rosa Canyon, along Santa Rosa Road adjacent to small, old quarry. 610 Comment
  SEINET7048002  Cercocarpus ledifolius var. intermontanus Steven R. Hill, Kate Kramer and family 2001-4-26 33469 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  RSA208927  Cercocarpus minutiflorus Theadore H. Mortenson 1967-5-5 1516 Riverside North facing hillside in back of the Tenaja Guard Station, Santa Rosa Plateau region near Murietta. Comment
  RSA86676  Cercocarpus minutiflorus F. W. Peirson 1921-3-21 4191 Riverside Gordon Trail. 1372 Comment
  POM265788  Chaenactis artemisiifolia J. C. Roos 1937-5-10 2070 Riverside South of Lake Elsinore Comment
  RSA561098  Chaenactis artemisiifolia Steve Boyd 1993-5-12 7335 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
  CAS-BOT-BC276393  Chaenactis carphoclinia John H. Thomas 1957-3-30 6529 Riverside 0.8 mile E of Cactus City, about 13 miles E of Coachella, near US Highways 60 and 70, Colorado Desert 518 Comment
  CAS-BOT-BC276394  Chaenactis carphoclinia Elizabeth McClintock 1964-4-8 s.n. Riverside E of Indio Comment
  UCR37707  Chaenactis carphoclinia var. carphoclinia A. C. Sanders 1985-3-24 5406 Riverside Sonoran (Colorado) Desert, Coachella Valley, Box Canyon 9 miles NE of Mecca on Hwy 195 183 Comment
  UCR132866  Chaenactis fremontii Kent Beaman 1983-4-2 02 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  UC1922024  Chaenactis fremontii Robert F. Thorne, M. Z. Thorne 1973-3-30 42674 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
  SEINET2049370 Image available Chaenactis glabriuscula Scott White 1991-5-13 91 -115 Riverside Hwy. 79, immediately W of U.S. Forest Service Campground at Dripping Springs. T8S, R1W, sec. 22. 549 Comment
  UCR24931  Chaenactis glabriuscula A. C. Sanders 1980-7-18 01683 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  HSC85279  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  POM251765  Chaenactis glabriuscula var. glabriuscula Ora M. Clark 1929-3-2 1598 Riverside Near Alberhill Comment
  RSA388507  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UC63014  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 1104 .1 Riverside Reche Canon 457 Comment
  UCD130387  Chaenactis glabriuscula var. glabriuscula R. L. Smith 1960-4-15 4 Riverside Cabazon. 243 Comment
  RSA0013752  Chaenactis stevioides April Garbat, Sarah J. De Groot 2013-3-27 29 -b Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  UCD81586  Chaenactis xantiana Chuck Hughes 2009-3-27 71 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  RSA0121601  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9101 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 513 Comment
  JOTR32415  Chamaesyce micromera Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 6 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA55098  Chamaesyce micromera Lee Harris 1928-6-28 113 Riverside Indio Comment
  UCSB38673  Chamaesyce parishii Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wellls 210 Comment
  RSA0042474  Chamaesyce polycarpa Deidre Conocchioli, Kristin Forgrave, April Garbat 2013-8-13 1 Riverside Chuckwalla Valley Road approximately 4 miles east of Corn Springs 194 Comment
  RSA770647  Chamaesyce polycarpa R. F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55364 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SBBG4029  Chamaesyce polycarpa H. and M. Dearing 1930-4-14 953 Riverside near Palm Springs Comment
  SBBG45531  Chamaesyce polycarpa Leota Davidson 1965-5-14 153 Riverside Joshua Tree Nat Monument Comment
  UC2026395  Chamaesyce polycarpa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10053 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA592456  Chamaesyce setiloba L. C. Wheeler 1966-10-15 8983 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  UCR246388  Chamaesyce setiloba Duncan S. Bell, Aaron Sedgwick 2012-9-13 4201 Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  RSA612813  Cheilanthes clevelandii Darin L. Banks 1997-3-1 1356 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UCR121816  Cheilanthes covillei A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24606 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
  POM929  Cheilanthes covillei I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  POM6637  Cheilanthes parryi P. A. Munz, Street, Williams 1919-3-25 2325 Riverside Palm Canyon. 243 Comment
  UC218643  Cheilanthes parryi S. B. Parish 1919-3-27 19191 Riverside West Canyon Palm Springs; Colorado Desert Comment
  CAS-BOT-BC70379  Cheilanthes viscida John Thomas Howell 1928-3-11 3421 Riverside wall of Morongo Canyon, n. Colorado Desert 609 Comment
  UCR149980  Chenopodium album Scott D. White, Angelia Carey 2004-5-7 10328 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UC1787312  Chenopodium berlandieri A. C. Sanders, Kelly Volansky 2003-10-16 27333 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  RSA0105842  Chenopodium botrys Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  OBI74469  Chenopodium californicum David J. Keil 1983-4-15 16892 Riverside E of Temecula on SR79 Comment
  UCR102865  Chenopodium murale A. C. Sanders 1997-3-19 20063 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  UCR115136  Chenopodium strictum Mitch Provance 2000-11-2 2295 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  UCR115158  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  CAS-BOT-BC231772  Chilopsis linearis E. H. Daniels; J. Bates 1932-6-5 s.n. Riverside Palm Springs, Colorado Desert 137 Comment
  RSA0108979  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 286 Comment
  SEINET9118971  Chilopsis linearis E. Adams 1978-1 Riverside Mecca, Box Canyon. Desert wash. Comment
  UC65010  Chilopsis linearis subsp. arcuata E. E. Schellenger 1905-10-16 32 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  CAS-BOT-BC451474  Chimaphila umbellata P. A. Munz 1922-7-7 6055 Riverside North fork of Tahquitz Creek 2133 Comment
  POM11892  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-7-7 6055 Riverside No fork of Tahquitz Creek. 2134 Comment
  UCR148011  Chloris truncata Stan C. Spencer 2000-10-20 s.n. Riverside Hemet, corner of Warren Rd. and Stetson Ave. 457 Comment
  UCR130515  Chloris virgata R. E. Riefner Jr. 2003-10-21 03- 459 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  RSA676158  Chorizanthe brevicornu Scott D. White 2001-4-3 8256 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR261453  Chorizanthe brevicornu A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41444 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA718829  Chorizanthe brevicornu Michael Honer, L. Hulse 2004-4-3 1922 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
  SBBG25069  Chorizanthe brevicornu var. brevicornu D. Myrick 1966-4-1 1323 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  UCR158883  Chorizanthe coriacea Scott D. White 1994-6-14 2067 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR167072  Chorizanthe coriacea Scott D. White 2005-3-29 10851 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR238217  Chorizanthe coriacea Mark A. Elvin 2005-5-24 4320 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UCR241387  Chorizanthe coriacea T. B. Salvato, Mike Landers 2013-3-21 7378 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
  POM147639  Chorizanthe corrugata F. M. Reed 1927-3-20 5477 Riverside Salt Creek Wash. Comment
  SBBG1404  Chorizanthe corrugata H. and M. Dearing 1940-1-1 4071 Riverside below Painted Cyn near Mecca Comment
  UCR167444  Chorizanthe corrugata 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
  VVC2461  Chorizanthe corrugata Tim Thomas 2013-3-18 5939 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  SD160881  Chorizanthe fimbriata var. laciniata Virginia S. Moran 2000-4-21 Riverside Lower slopes of Bell Mountain, Sun City. Off Garibaldi Road from I-215. GPS taken from Topo Program, Sun City quadrangle (1:12,000) 487 Comment
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Nov 4 2014
  POM97111  Chorizanthe leptotheca P. A. Munz 1925-5-20 9843 Riverside Aguanga Valley. Comment
  RSA785185  Chorizanthe parryi var. parryi D. E. Bramlet 1992-4-23 2238 Riverside Double Butte Park, in bowl area between the Double Buttes, c. 610 m north of the edge of the old landfill, and 107 m east of the existing (eastern) access road 500 Comment
  UCR174176  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32575 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR263224  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41468 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
  CAS-BOT-BC257188  Chorizanthe polygonoides var. longispina D. E. Bramlet 1989-4-7 1815 Riverside Perris-Aguanga Basin region: Lake Skinner County Park, south of Lake Skinner, 500 ft. west of Old Warren Rd. and 100 ft. north of the E-W access road 518 Comment
  RSA407725  Chorizanthe polygonoides var. longispina Steve D. Boyd 1986-5-1 1788 Riverside South Western Perris Basin: Hill W of Skunk Hollow. Comment
  UCR260515  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7997 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
  UCR48518  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1788 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR90407  Chorizanthe polygonoides var. longispina D. L. Banks, Steve Boyd 1995-5-9 0401 Riverside NW Palomar Mtns., Cleveland Natinal Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 790 Comment
  RSA614097  Chorizanthe procumbens D. L. Banks 1997-4-5 1700 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  JOTR36451  Chorizanthe rigida La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3421 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  SEINET9809164 Image available Chorizanthe wheeleri Sharon J. McCormick 1976-5-24 Riverside Santa Cruz Island, Channel Islands, Wash near field station Comment
  JEPS100430  Chorizanthe xanti var. leucotheca Dean W. Taylor 2003-5-6 18522 Riverside 1.15 miles NNE of Cabazon, along access road paralleling powerlines, San Gorgonio Pass, growing in the wash draining Millard Canyon 640 Comment
  VVC2939  Chorizanthe xanti var. leucotheca Tim Thomas, P. J. MacKay 2010-4-12 5044 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0112103  Chrysothamnus paniculatus Duncan S. Bell 2009-10-9 486 Riverside Northwest of the Arica Mountains. 281 Comment
  UCR109475  Chrysothamnus paniculatus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19656 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  RSA0049853  Chylismia brevipes subsp. brevipes Jim Andre 2014-1-27 26670 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
  CAS-BOT-BC160630  Chylismia claviformis subsp. aurantiaca Edith A. Purer 1935-4-21 6485 Riverside Near Palm Springs Comment
  POM352169  Cirsium occidentale var. californicum Norman C. Cooper 1949-6-1 3997 Riverside Elsinore. 457 Comment
  UCR111  Cirsium occidentale var. californicum R. O. Perez 1955-5-20 s.n. Riverside San Jacinto Mtns., west side of Mt. San Jacinto [vicinity of White Post Turn, below Mountain Center] along Hwy 74 1070 Comment
  UCR161401  Cirsium occidentale var. californicum A. C. Sanders, Mike Misenhelter 2005-9-20 31673 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 610 Comment
  UCR241655  Cirsium occidentale var. californicum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 368 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA502518  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3574 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  CAS-BOT-BC285737  Cirsium vulgare Scott D. White 1996-9-22 4537 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  RSA586033  Cistanthe monandra D. L. Banks, Steve Boyd 1995-3-16 0085 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, Arroyo Seco drainage. 506 Comment
  RSA5247  Cistanthe monosperma C. B. Wolf 1932-8-5 3983 -A Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  UCR177939  Clarkia dudleyana Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 529 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CAS-BOT-BC171996  Clarkia epilobioides John Thomas Howell 1931-5-30 6591 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  POM13821  Clarkia epilobioides P. A. Munz 1922-4-28 5052 Riverside 3 miles south of Glen Ivy Comment
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Apr 3 2011
  UCR16358  Clarkia purpurea Robert Eaton 1968-5-13 680513- 21 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado, Santa Rosa Road, 6 mi. from Washington Street in Murrieta 610 Comment
  UCR167861  Clarkia purpurea T. B. Salvato, John F. Green 2004-5-27 658 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
  UCR218066  Clarkia similis Steve Boyd 2010-5-28 12288 Riverside Santa Ana Mountains, Elsinore Peak, northern flank of knoll south of peak, south of Main Divide Road 1037 Comment
  SEINET9363510  Clarkia williamsonii Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR220120  Claytonia parviflora D. E. Bramlet 1989-4-7 1819 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  RSA708074  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA772845  Claytonia parviflora subsp. parviflora Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4845 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
  POM12718  Claytonia parviflora subsp. tenuifolia P. A. Munz 1922-6-30 5910 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR5923  Claytonia parviflora subsp. utahensis Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., Above Fuller Mill Creek, 50 yards up stream from Banning-Idyllwild road 1616 Comment
  SBBG35049  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-19 Riverside Idyllwild to Hemet Lake 1828 Comment
  UCR174047  Claytonia perfoliata A. C. Sanders 2006-5-19 32460 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
  UCR121660  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20018 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR25765  Claytonia perfoliata subsp. perfoliata John C. Roos 1952-4-13 5533 Riverside N slope, on north side of Box Springs Mtns 396 Comment
  SEINET3930996  Clematis lasiantha David Keil 1983-4-15 16900 Riverside East of Temecula on SR79.; 0 Comment
  UCR82762  Clematis ligusticifolia A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15790 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  UC1714505  Clematis pauciflora Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  POM12956  Collinsia concolor Philip A. Munz, I. M. Johnston 1922-5-21 5532 Riverside Hemet Valley. 1433 Comment
  UCR104917  Collinsia concolor A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20667 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
  UCR89571  Collinsia concolor E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  POM48732  Collomia grandiflora P. A. Munz, I. M. Johnston 1924-7-29 8827 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCR3242  Conium maculatum Bob Brownell 1964-5-15 s.n. Riverside [Live] Oak Canyon, on Riverside/San Bernardino County line. [near Yucaipa] 549 Comment
  UCR158278  Conyza bonariensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30121 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
  UCR207782  Conyza coulteri O. F. Clarke 2005-9-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0010997  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1631 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. 1383 Comment
  SD136751  Cordylanthus rigidus subsp. setiger Steve Boyd, Tim Ross 1992-6-10 7644 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the juction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San mateo Creek 671 Comment
  JOTR29613  Coreopsis bigelovii Andre, Jim 2006-4-26 6751 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  CAS-BOT-BC287928  Coreopsis californica P. A. Munz; R. D. Harwood 1920-3-20 3385 Riverside Temescal Canyon 365 Comment
  RSA737230  Coreopsis grandiflora Justin M. Wood 2008-9-22 150 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  LA99063  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  POM80098  Corethrogyne filaginifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR272166  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains, a small ridge/summit area just to the south of the summit of Santa Rosa Mountain 2438 Comment
  CLARK-A1656-711  Cotula australis Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  UCR281252  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 34 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  CAS-BOT-BC427774  Crassula connata H. K. Wagnon 1944-3-12 342 Riverside West fork of Eagle Canon [Canyon], between Palm Springs and Cathedral City Comment
  UCR35131  Crassula connata L. B. Ziegler 1969-6-12 375 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley) in sandy stream bed near Pine Meadows 1433 Comment
  CLARK-A1528-5379  Cressa truxillensis John C. Roos 1952-5-21 5703 Riverside San Jacinto River Comment
  RSA771029  Crossosoma bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4536 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR89665  Crossosoma bigelovii Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., 'wet fork' Agua Alta Canyon 640 Comment
  JOTR28932  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  LA204878  Croton californicus Miss Halflaud; March 1925 6491 Riverside Palm Springs Comment
  UCR111576  Croton californicus Mitch Provance 1999-1-5 1739 Riverside Mira Loma, Delhi sand dune remnant on SE corner of Milliken Ave. and Patton Rd. 256 Comment
  POM87122  Croton californicus var. mohavensis Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  RSA0020313  Croton californicus var. mohavensis D. W. Stevens 1982-4-20 s.n. Riverside ~1 mi east of Devers Substation ~2 mi north of I-10. Comment
  SBBG133561  Croton setiger S. D. White, A. Carey 2004-7-2 10573 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR176765  Croton setiger G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR119447  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23100 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  POM316874  Cryptantha angustifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SEINET3004977  Cryptantha angustifolia G. Rink, M. Baker 2011-4-1 10403 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  JEPS67483  Cryptantha barbigera W. L. Jepson 1927-4-12 11676 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  RSA611553  Cryptantha barbigera R. S. Woglum 1939-4-11 2220 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  UC551834  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Thousand Palms Canyon Comment
  UCR216506  Cryptantha barbigera Tasha La Doux, Jim Andre 2009-3-10 384 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR275514  Cryptantha barbigera D. E. Bramlet 2010-3-1 4453 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCSB52571  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside Above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 570 Comment
  UCR167235  Cryptantha barbigera var. fergusoniae 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
  RSA0031380  Cryptantha clevelandii E. W. Lathrop 1966-5-8 6413 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  POM47497  Cryptantha costata Mary F. Spencer 1920-3-15 1524 Riverside Mecca. -60 Comment
  RSA0078808  Cryptantha cycloptera Duncan S. Bell 2009-3-7 21 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA0079095  Cryptantha cycloptera Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA0079338  Cryptantha cycloptera Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 914 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR279375  Cryptantha decipiens A. C. Sanders, Jim Malusa 2017-3-24 42953 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  CAS-BOT-BC218762  Cryptantha holoptera Catherine A. Toschi 1963-4-10 63 :120 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  POM212930  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  CSUSB991  Cryptantha intermedia S. L. Lackey 1973-4-23 S. N. Riverside 26781 Kalmia Ave., Sunnymead; Roadside. 640 Comment
  POM50382  Cryptantha intermedia W. W. Eggleston 1924-3-8 19530 Riverside Hemet. 480 Comment
  RSA594003  Cryptantha intermedia D. L. Banks, Elizabeth Hedge Banks 1996-5-2 935 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA594774  Cryptantha intermedia D. L. Banks, Dylan Hannon 1996-5-3 0967 B Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  RSA702749  Cryptantha intermedia Scott D. White, Michael Honer 2004-4-6 10039 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SBBG53358  Cryptantha intermedia J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  SBBG55854  Cryptantha intermedia C. Davidson, B. Gustafson 1977-4-7 5579 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  SD137841  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, East of the Dripping Springs Alcove Area, along the lower alluvial benches ofArroyoSeco 518 Comment
  SD185168  Cryptantha intermedia T. B. Salvato, Kent Beaman 2005-5-16 801 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA. 74. 548 Comment
  UCR214328  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38389 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
  UCR64629  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan Plateau, Gavilan Mesa 700 Comment
  UCR92205  Cryptantha intermedia D. L. Banks, Steve Boyd 1995-5-3 0247 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
  UCR98704  Cryptantha intermedia S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA0026297  Cryptantha intermedia John F. Emmel 1991-4-28 1167 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  SBBG81675  Cryptantha maritima S. A. Junak 1983-3-24 1660 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  UCR279418  Cryptantha maritima A. C. Sanders, Jim Malusa 2017-3-25 43019 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
  UCR280920  Cryptantha maritima Fred M. Roberts 2016-3-5 7995 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA721898  Cryptantha maritima var. pilosa J. Mark Porter, Orlando Mistretta 2003-6-5 13606 -A Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA543895  Cryptantha micromeres Steve Boyd 1991-5-20 6274 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA395364  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR89844  Cryptantha microstachys Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3312 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA0089246  Cryptantha muricata Steve D. Boyd, Valerie Soza 2004-6-22 11544 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA585729  Cryptantha muricata D. L. Banks, S. D. Boyd 1995-5-9 391 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UC164376  Cryptantha muricata H. M. Hall Jun 1901 2224 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR20918  Cryptantha muricata A. C. Sanders 1978-7-5 00205 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  SBBG101669  Cryptantha muricata var. muricata S. Boyd 1991-5-20 6276 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  UC64412  Cryptantha oxygona H. M. Hall May 1899 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  UC667385  Cryptantha pterocarya Annie M. Alexander and Louise Kellogg 1941-4-27 2090 Riverside Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
  UCR4405  Cryptantha pterocarya var. pterocarya Frank C. Vasek 1960-3-24 600324- 03 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  JEPS67900  Cryptantha utahensis Marjorie D. Clary 1933-3-25 2073 Riverside Ebbens Creek Wash Colorado Desert, Santa Rosa Mountains 304 Comment
  JOTR30661  Cryptantha utahensis La Doux, Tasha, Jim Andre 2008-3-21 148 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  JOTR34322  Cryptantha utahensis Andre, Jim 2012-4-11 20823 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA682851  Cryptantha utahensis Scott D. White 2003-3-23 8845 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA0106721  Cucurbita palmata Duncan S. Bell 2011-9-30 2943 B 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
  UCR231193  Cupressus forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  POM9395  Cuscuta californica I. M. Johnston 1920-5-8 2269 Riverside Jurupa Mountains, extreme west end. Comment
  UCR10500  Cuscuta indecora var. indecora O. F. Clarke 1970-10-7 s.n. Riverside Santa Ana River Valley, City of Riverside, river bottom (Santa Ana River), just west of Lake Evans, Fairmont Park. Comment
  SEINET238804  Cuscuta pentagona Mitch Provance 2000-7-4 2105 Riverside Santa Ana River Wash between the Market St. and Riverside Avenue crossings. 244 Comment
  RSA0100137  Cuscuta subinclusa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8555 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCR6701  Cuscuta subinclusa O. F. Clarke 1967-11-4 671104- 3 Riverside Santa Ana River channel, 0.5 mi. upstream from Salt Lake Railroad Bridge. Comment
  SD248374  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17727 Riverside Desert Cemter 7.5'Q USGS quad. Chuckwalla Moutains, just south of Corn Springs Wash, 250 m east of its confluence with Irish Wash, 500m NW of Azted Well, 74KM west of Blythe. 641 Comment
  RSA0097199  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-7 18399 Riverside San Gorgonio River, 2 km south of Cabazon, 2.6 km NNW of Hurley Flat, 26 km WNW of central Palm Springs. 510 Comment
  SEINET9037740 Image available Cylindropuntia echinocarpa M. A. Baker 2015-1 18329 Riverside San Gorgonio Pass, 4km ENE of Banning, 33km WNW of Palm Springs, 800m east of the San Gorgonio River 660 Comment
  SD229117  Cylindropuntia ganderi Dick Schwenkmeyer 2012-10-16 852 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  RSA0059323  Cylindropuntia ganderi C. B. Wolf, Percy C. Everett 1939-9-29 9456 Riverside Desert slopes of San Jacinto Range. Deep canyon on Palms to Pines Road, 2 miles below Pinon Flat F.S. Camp. 1067 Comment
  RSA660929  Cymbalaria muralis A. C. Sanders 1998-4-12 21751 Riverside yard of residence at 5081 Magnolia Ave, corner of Chapman Pl. 256 Comment
  UCR26227  Cymopterus panamintensis var. acutifolius John C. Roos 1947-2-15 3243 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  SEINET4560613  Cynanchum utahense Duncan S. Bell 2009-1 273 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCD60012  Cynodon dactylon T. C. Fuller 1970-10-7 19798 Riverside Palo Verde Valley, southeast of Blythe. Comment
  CAS-BOT-BC114542  Cyperus eragrostis G. Helmkamp; E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mts: San Juan Cyn along the Ortega Hwy (CA-74) beside the Orange Co. line. 502 Comment
  UCR92359  Cyperus esculentus Scott D. White, S. Ogg 1994-10-17 2469 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  SD224786  Cyperus involucratus A. C. Sanders, G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn. In vicinity of the debris basin above the W end of Sunny Dunes Rd. 185 Comment
  UCR86031  Cyperus involucratus Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  CAS-BOT-BC113966  Cyperus odoratus G. R. Kleeberger 1878-12-27 s.n. Riverside Temescal Comment
  UCR277724  Cyperus odoratus Mitch Provance 2012-11-3 1112- 07 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  CAS-BOT-BC114015  Cyperus rotundus Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1948-9-3 503 Riverside Thermal. Imperial Valley. Comment
  CDA2604  Cyperus rotundus Steve Boyd 1989-7-9 3774 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  CAS-BOT-BC198202  Cytisus striatus R. Leen 1987-4-8 s.n. Riverside South of Temecula on Interstate 15, W side of road between Front Street and Rainbow Valley Road exits. Comment
  LA109893  Cytisus striatus A. C. Sanders; Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large venal pool on the S side of Murrieta Hot Springs Rd., E of Via Princesa and N of Calle del Lago 347 Comment
  CSUSB1204  Dalea californica Frank C. Vasek 1958-6-13 Riverside Lower end of Bautista Canyon Comment
  RSA0045573  Dalea californica Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs 138 Comment
  RSA498343  Dalea mollis Robert M. Perkins, H. de Forest s.n Riverside N. of Blythe, Along Col. river 85 Comment
  SEINET2066052 Image available Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-22 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of HWY 62, along Colorado River Aqueduct (East of Granite Pass 7.5Q). 277 Comment
  SEINET3004993  Dalea mollis G. Rink, M. Baker 2011-4-3 10421 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  SEINET5327086  Dalea mollis H. M. Hall 1905-1 5792 Riverside Colorado Desert; 9 mi W of Coachella 30 Comment
  POM1902  Dalea mollissima I. M. Johnston 1917-4-4 s.n Riverside Near Palm Springs. 152 Comment
  UC555337  Dalea mollissima Herbert L. Mason 1928-3-10 4225 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  SEINET10871076  Dalea spinosa David B. Dunn, A. Folsom 1948-6-17 Dunn 3803 Riverside By quad 2. At camp in pushawalla canyon under palms. Desert dry wash indio Hills. Colorado desert. Comment
  UCR201443  Datisca glomerata Scott D. White, Justin M. Wood 2008-7-10 12454 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR108850  Daucus pusillus Heidi A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  CAS-BOT-BC294110  Deinandra kelloggii H. M. Hall 1905-6-1 6239 Riverside Hills east of Riverside Comment
  SD181704  Deinandra paniculata Scott D. White 1998-10-9 7170 Riverside Corona, near Bedford Canyon; site adjacent to housing tracts now under construction and proposed for same. 334 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
  RSA69414  Delphinium parryi F. W. Peirson 1929-5-4 8337 Riverside Mostly about bushes on low hill about 2 miles south of summit of St. Johns Grade south of Hemet. 701 Comment
  UC854188  Delphinium parryi subsp. parryi L. Haines and L. Erickson 1937-4-9 Riverside field near Winchester Comment
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Mar 20 2011
  UCR240654  Delphinium patens Tracy Tennant, Mitch Provance 1998-6-16 MOR- 411 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  SEINET3208886  Dendromecon rigida G. Goodwin 2012-6-14 3441 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  SD140226  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet; along south side of Devonshire ave, between Old Warren and Warren roads; southwest of Tres Cerritos and north of Florida ave (highway 74) 459 Comment
  POM11891  Descurainia obtusa subsp. adenophora E. C. Jaeger 1921-6-14 s.n. Riverside MacMullin Trail 1220 Comment
  RSA162710  Descurainia pinnata John Olmsted 1958-3-29 88 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring roads. On the former now become Pinto Basin Road, Joshua Tree National Monument. 991 Comment
  RSA771759  Descurainia pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4636 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC43355  Descurainia pinnata subsp. glabra Fay A. Mac Fadden 1936-3-20 14482 Riverside Morengo [Moreno] Valley. Comment
  CAS-BOT-BC402295  Dicentra chrysantha Peter H. Raven 1962-4-29 17485 Riverside Ortega Highway 1 mile above its east base 487 Comment
  RSA750556  Dichelostemma capitatum Scott D. White, Justin M. Wood 2009-5-21 12883 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA771100  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4718 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  RSA512761  Dichelostemma capitatum subsp. capitatum Walter Wisura, Bart O Brien, Durant 1990-6-12 4442 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  POM301822  Dichelostemma capitatum subsp. pauciflorum James E. Cole 1942-5-10 954 Riverside Joshua Tree National Monument. 1341 Comment
  POM306763  Dicoria canescens Henry J. Ramsey, Henry J. Ramsey 1937-11-20 1634 Riverside Coachella Valley Comment
  RSA643434  Dicoria canescens R. D. Goeden, D. W. Ricker 1985-10-12 s.n. Riverside Sonoran Desert: ca. 7 mi. S of Granite Pass, west side of Desert Center-Rice Road (Hwy 177), 21.8 miles north of Desert Center, 5.1 miles south of junction with Highway 62 (West of Palen Pass 7.5' Q.) 285 Comment
  UCR139986  Digitaria sanguinalis A. C. Sanders 2004-8-10 28763 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UCR201018  Digitaria sanguinalis Scott D. White, Justin M. Wood 2008-9-17 12539 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  CAS-BOT-BC291031  Dimorphotheca sinuata Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  RSA0019405  Diplacus fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi From Idyllwild on the road to Hemet. 1220 Comment
  UCR91526  Distichlis spicata Scott D. White 1996-4-20 3969 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  RSA770985  Ditaxis californica J. Andre, Tasha La Doux 2009-2-25 10802 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  JOTR29562  Ditaxis neomexicana Andre, Jim, Tasha LaDoux 2006-4-11 6736 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  RSA763984  Ditaxis neomexicana Justin M. Wood, D. M. Ray 2010-10-21 3001 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  RSA776300  Ditaxis neomexicana Duncan S. Bell, Amanda Turek 2010-4-10 824 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SEINET7997049  Ditaxis neomexicana Scott D. White 2006-3-14 11255 Riverside Coachella Valley, Eern Coachella Valley N of the 1-10 freeway a few mi E of Indio 152 Comment
  CAS-BOT-BC43647  Dithyrea californica John Thomas Howell 1928-3-11 3427 Riverside Colorado Desert. 6 miles southeast of Garnet Station, Coachella Valley. 152 Comment
  RSA228812  Dodecatheon clevelandii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 597 Riverside Santa Rosa Plateau, ca. 5 mi. west of Murrieta near Forest Route 7S01. 549 Comment
  UCR207314  Dodecatheon clevelandii O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  UCR11348  Downingia cuspidata G. W. Forister 1967-4-22 s.n. Riverside Peninsular Range, Menifee Valley, SE corner of jct of Hwy 395 and Newport Rd., 7.1 mi south of Perris. 436 Comment
  SEINET12005542  Draba cuneifolia var. integrifolia H. M. Hall 1903-1 3804 Riverside vicinity of Riverside 610 Comment
  POM12937  Draba saxosa P. A. Munz 1922-6-28 5870 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  OBI32750  Drymocallis glandulosa var. glandulosa E. W. Lathrop 1966-5-29 6388 Riverside Mail Divide Truck Trl between El Carriso and Santiago Peak, Cleveland Natl Forest 1219 Comment
  SDSU13553  Dryopteris arguta W. Miller with C. Mosse 1972-7-11 Riverside Comment
  JEPS2563 Image available Dudleya lanceolata W. L. Jepson 1903-8-6 2285 Riverside Spruce Canyon San Jacinto Mts.; Spruce Canyon, San Jacinto Mts., Southern Calif. 1310 Comment
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Sep 5 2011
  RSA561017  Dudleya multicaulis Steve Boyd, Timothy S. Ross 1992-5-4 7193 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA590724  Dudleya multicaulis R. E. Riefner 1996-5-16 96 -72 Riverside East side of Temescal Wash, community of El Cerrito Comment
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Jul 13 2010
  UCR48403  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA570733  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8202 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  RSA773192  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4893 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
  SEINET8060387 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 17 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
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Jun 5 2016
  CAS-BOT-BC56758  Echinocereus engelmannii subsp. engelmannii Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA575910  Eclipta prostrata Steve Boyd, Darin L. Banks 1994-9-29 8370 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR26443  Eclipta prostrata A. C. Sanders 1981-10-31 2394 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  RSA234013  Elatine californica R. F. Thorne, E. W. Lathrop 1969-6-6 39320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  RSA356752  Elatine californica R. F. Thorne 1973-5-23 45540 Riverside Santa Rosa Plateau-Mesa De Colorado. 609 Comment
  CAS-BOT-BC113602  Eleocharis acicularis H. M. Hall 1901-7-9 2366 Riverside In meadows and bogs of Tahquitz Valley. 2438 Comment
  CAS-BOT-BC112741  Eleocharis geniculata H. M. Hall; L. A. Greata 1905-5-1 5984 Riverside Dos Palmas, Colorado Desert Comment
  POM10225  Eleocharis palustris F. M. Reed 1907-6-9 1400 Riverside Cienega near Spring Brook [Pump?] House, above Fairmont Park. Comment
  RSA65651  Eleocharis palustris F. W. Peirson 1922-4-29 4167 Riverside Dripping Spring, Temecula River, southwestern Riverside Co., California 457 Comment
  RSA741220  Eleocharis palustris Scott D. White, Justin M. Wood 2008-6-5 12087 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA0120235  Elymus elymoides Duncan S. Bell, Thomas Stoughton 2016-4-14 9283 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA559355  Elymus elymoides Steve Boyd, Timothy S. Ross 1992-5-15 7387 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at 'Onion Hill', a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
  UC38217  Elymus elymoides subsp. elymoides H. M. Hall 1901-6-10 2065 Riverside San Jacinto Mountains; s side 1615 Comment
  UC821521  Elymus elymoides subsp. elymoides P. A. Munz 1922-6-28 5883 Riverside Santa Rosa Mts.; higher slopes 2407 Comment
  RSA500549  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3623 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA574565  Elymus glaucus subsp. glaucus Steve Boyd 1985-7-23 1016 -A Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  POM359954  Elymus multisetus H. M. Hall 1901-06 2037 Riverside San Jacinto Mountains 1372 Comment
  UCD62705  Elymus trachycaulus F. M. Reed 1928-7-10 5983 Riverside Camp Emerson, Idyllwild. 1524 Comment
  UCR116776  Elymus triticoides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24171 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UC724322  Emmenanthe penduliflora Aven and Ruth Nelson 1939-3-29 3321 Riverside Hidden Springs Comment
  SBBG101705  Emmenanthe penduliflora var. penduliflora S. Boyd with T. Ross, M. Hammitt 1991-5-2 6084 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  CLARK-A1528-203  Encelia californica B. Day 1952-2-6 Riverside Comment
  CAS-BOT-BC131324  Encelia farinosa Peter H. Raven 1958-2-15 11586 Riverside Along U. S. Highway 60, 8.7 miles east of road to Wiley Wells Comment
  JEPS34112  Encelia farinosa Newlon 1922-4-2 420 Riverside highway between Westmoreland and Indio; Colorado Desert Comment
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Feb 18 2013
  RSA795928  Encelia farinosa Duncan S. Bell 2009-4-19 281 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SDSU3827  Encelia farinosa S. J. Barnhart 1966-4-17 660417 -16 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. Untility Road (dirt), which is 1.5. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR138831  Encelia farinosa D. L. Banks 1997-4-5 1669 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  POM122186  Encelia farinosa var. farinosa Marcus E. Jones 1926-2-15 S.N. Riverside Near Indio. Comment
  POM50381  Encelia farinosa var. farinosa W. W. Eggleston 1924-3-8 19529 Riverside Hemet. 480 Comment
  RSA33820  Encelia farinosa var. farinosa Norman C. Cooper 1944-3-26 1038 Riverside Morongo Pass, Floor of canyon. 457 Comment
  SD124750  Ephedra aspera A. C. Sanders, D. Charleton & B. Pitzer 1986-3-3 6142 Riverside north foot of the Chuckwalla Mountains, 2.75 miles airline southeast of Desert Center 365 Comment
  RSA0117687  Ephedra californica Lyman Benson 1946-4-15 12040 Riverside On Twenty-nine Palms Road from Whitewater. Mt. Range: San Bernardino. 457 Comment
  RSA383883  Ephedra californica Robert Gustafson 1981-4-7 2158 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  SBBG88010  Ephedra californica A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6142 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  SEINET3866917  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater Wash. 3 mi. se. of Palm Springs Station.; 0 305 Comment
  VVC2867  Ephedra californica Tim Thomas, P. J. MacKay 2010-4-12 5046 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0030700  Ephedra trifurca J. Andre 2013-3-27 24810 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UC218230  Epilobium canum subsp. latifolium P. A. Munz 1922-9-5 6363 Riverside trail from Fern Valley to Tahquitz; San Jacinto Mts. 2164 Comment
  UCR115947  Epilobium ciliatum Mitch Provance 1998-6-11 670 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  POM48731  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1924-7-29 8830 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR262247  Epilobium densiflorum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3736 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA520081  Equisetum laevigatum Steve Boyd, Dave Bramlet 1988-10-8 2871 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA180453  Equisetum telmateia var. braunii E. W. Lathrop 1965-5-7 5716 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  SEINET251885 Image available Eragrostis barrelieri Unknown 1996-3-17 17978 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCR116794  Eragrostis barrelieri A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24152 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR113924  Eragrostis pilosa var. pilosa Mitch Provance, A. C. Sanders 2000-7-4 2082 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR92752  Eremalche rotundifolia 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
  JOTR36442  Eremothera refracta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3412 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR279539  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-28 43156 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CAS-BOT-BC514320  Eriastrum densifolium subsp. austromontanum Peter H. Raven; R. Snow 1957-7-26 11103 Riverside Just below Vista Grande Ranger Station, Banning--Idyllwild Rd, San Jacinto Mts. Comment
  UCR19159  Eriastrum densifolium subsp. densifolium John C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mtns., Dos Palmas Spring Comment
  UCR178544  Eriastrum diffusum R. G. Swinney 1967-5-26 139 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  SEINET12278727  Eriastrum eremicum E. A. Purer 1935-1 6459 Riverside near Palm Springs Comment
  SD258993  Eriastrum eremicum subsp. eremicum Sarah J. De Groot 2005-5-16 4967 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through bajada of Little San Bernardino Mountains. 495 Comment
  UC666379  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-6-1 2265 Riverside Intersection of Morongo and main highway. 243 Comment
  RSA0120070  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1903-5-10 10252 Riverside Palm Spring. 61 Comment
  RSA0120094  Eriastrum eremicum subsp. eremicum Ernest Braunton 1940-3-4 2027 Riverside 5 mi. East of Shaver's Well. Comment
  UCR44453  Eriastrum filifolium A. C. Sanders, B. Pitzer 1986-4-30 6484 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  CAS-BOT-BC257173  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well 339 Comment
  JOTR33874  Eriastrum harwoodii La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3049 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 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
  UCR233935  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Sonoran (Colorado) Desert, Arica Mountains, NW of mountain range, c. 6.5 air miles SW of Rice and c. 5 air mi. NW of Priests Well 339 Comment
  SD146197  Eriastrum sapphirinum subsp. sapphirinum A. C. Sanders, S. D. Boyd, et al. 1998-10-25 22281 Riverside Pine Meadow along Highway 74 in Garner Valley, 1.0 mile northwest of Highway 371 junction to Anza. 1441 Comment
  UCSB26194  Eriastrum sapphirinum subsp. sapphirinum Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwild Road, San Jacinto Mountains 1600 Comment
  UCSB12338  Ericameria cooperi Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon, Colorado Desert Comment
  UC667299  Ericameria linearifolia Annie M. Alexander and Louise Kellogg 1941-5-7 2132 Riverside 12 mi sw of 29 Palms (on hillsides); Joshua Tree National Monument 1310 Comment
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 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
  RSA741266  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA305669  Ericameria pinifolia C. W. Tilforth, Walter Wisura 1979-10-11 1917 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley 1341 Comment
  RSA589077  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 0788 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA0104481  Ericameria teretifolia Duncan S. Bell 2015-9-30 8675 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SDSU12965  Erigeron canadensis Michael G. Simpson 1999-10-27 2036 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM263241  Erigeron foliosus J. C. Roos 1938-5-26 474 Riverside La Sierra. Comment
  CAS-BOT-BC296243  Erigeron foliosus var. foliosus Mary F. Spencer 1919-6-25 1269 Riverside San Jacinto Mts. 1615 Comment
  JEPS41514  Erigeron foliosus var. foliosus W. L. Jepson 1901-5-24 1419 Riverside Van Deventer's Ranch Santa Rosa Mts. 1493 Comment
  POM48719  Erigeron foliosus var. foliosus P. A. Munz, I. M. Johnston 1924-7-29 8840 Riverside 7 mi SE of Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA585500  Erigeron foliosus var. foliosus D. L. Banks, Steve Boyd 1995-5-9 0362 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
  UC87543  Erigeron foliosus var. foliosus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountains 1828 Comment
  UCR117336  Erigeron foliosus var. foliosus Mitch Provance 1998-6-11 651 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  RSA601198  Erigeron strigosus S. Morgan 1994-3-25 94 -1 Riverside A weed in the UCR Botanic Garden Comment
  RSA659721  Eriochloa acuminata var. acuminata J. C. Roos 1937-11-28 s.n. Riverside East Washington St., Riverside. Comment
  UCR59841  Eriochloa contracta George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  RSA455013  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1970-3-27 269 Riverside below Andreas Canyon Club clubhouse; Andreas Canyon. 305 Comment
  RSA455023  Eriodictyon crassifolium N. C. Cooper 1949-6-3 4151 Riverside Temecula 762 Comment
  RSA0034762  Eriodictyon crassifolium Norman C. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 304 Comment
  UCR35119  Eriodictyon crassifolium var. nigrescens L. B. Ziegler 1967-7-26 208 Riverside San Jacinto Mtns, Summit of Thomas Mountain 2080 Comment
  JOTR29269  Eriogonum angulosum La Doux, Tasha 2005-8-17 1539 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  JOTR34095  Eriogonum angulosum Herskovits, Tasya 2011-9-28 1 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  JOTR34192  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2980 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
  RSA160559  Eriogonum apiculatum J. D. Olmsted 1959-10-23 1070 Riverside On Idyllwild Banning road, 2 miles S of turnoff to Poppett Flat. San Jacinto Mts to San Jacinto River. 1280 Comment
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Nov 19 2011
  UC412786  Eriogonum apiculatum F. M. Reed 1908-7-14 2487 Riverside summit of Tahquitz pass San Jacinto Mts. 2438 Comment
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May 1 2011
  RSA338175  Eriogonum brachyanthum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53581 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  JOTR36396  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3348 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  POM229032  Eriogonum davidsonii P. A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA785066  Eriogonum davidsonii Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 74 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  UCR260951  Eriogonum deflexum Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6025 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  JEPS35768  Eriogonum deflexum var. deflexum W. L. Jepson 1927-4-12 11679 Riverside Mecca Hills, Painted Canyon 76 Comment
  UC849362  Eriogonum deflexum var. deflexum C. L. Hitchcock 1940-3-30 5875 Riverside Cottonwood Spring Comment
  UC1348957  Eriogonum evanidum Louis B. Ziegler 1967-10-10 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1402 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
  POM115625  Eriogonum fasciculatum var. flavoviride Louise Kellogg, Annie M. Alexander 1941-5-15 2190 Riverside North base of Eagle Mountains. 1159 Comment
  POM159932  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Cottonwood Springs. Comment
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Oct 9 2010
  RSA766112  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1930-4-17 2193 Riverside Near mouth of Snow Canyon. 610 Comment
  RSA766508  Eriogonum fasciculatum var. foliolosum Marjorie D. Clary 1932-7-4 962 Riverside Aguanga Valley. Comment
  RSA181273  Eriogonum fasciculatum var. polifolium John H. Thomas 1949-4-24 s.n. Riverside 2 miles east of Whitewater, between Banning and Indio. Comment
  SD90099  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mts. 609 Comment
  UCSB1524  Eriogonum fasciculatum var. polifolium Gray, Caroline 1956-4-14 Riverside The Devil's Garden; 3 mi off Hwy 99 Comment
  CAS-BOT-BC253490  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and about 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp Comment
  UCR250402  Eriogonum gracile Jeremiah George 2012-5-17 s.n. Riverside Beaumont Bench, north slope facing San Timoteo Creek, north of Hwy 60 and south of Oak Valley Parkway, E of Potrero Blvd. 747 Comment
  POM12413  Eriogonum gracile var. incultum P. A. Munz 1922-9-6 6361 Riverside North of Dark Canyon. 1524 Comment
  RSA736778  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-7-2 10561 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD241928  Eriogonum gracile var. incultum A. C. Sander, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon near Hostettler Road south of I-15, narrow canyon draining from vicinity of Palomino Creek Drive at end of Calendula Street (Alberhill 7.5'Q) 387 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
  UCR167269  Eriogonum inflatum 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
  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
  UC667265  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-15 2178 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  POM123039  Eriogonum thomasii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA776241  Eriogonum thomasii Duncan S. Bell 2010-3-20 598 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SD103946  Eriogonum thomasii J. L. S. Simpson 1968-3-21 Riverside Near Amboy Crater Comment
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Mar 17 2014
  UCR196356  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR233170A  Eriogonum thomasii Jim Andre, Glenn L. Clifton 2011-2-22 17441 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  CAS-BOT-BC262868  Eriogonum thurberi James L. Reveal; C. Rose Broome 1987-6-27 6600 Riverside San Gorgonio Pass, along Esperanza Avenue at Almond Street south of Cabazon above the northern bank of the San Gorgonio River 541 Comment
  CAS-BOT-BC263596  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs, Colorado Desert Comment
  SD256782  Eriogonum trichopes J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24384 Riverside West Riverside Mountains, at base of NW corner of range where sand ramps run up against granitic bouldery slopes, ca. 10 miles SW of Vidal Jct,3.0 miles south of Grommet RR crossing at Highway 62. 363 Comment
  UCD70599  Eriogonum trichopes Elizabeth Milauskas 1994-5-7 15 Riverside Palm Springs, 4 blocks W of Via Monte Vista (behind dam) on Agua Caliente Indian Reservation in a desert wash; full sun; dominant Larrea divaricata; annual herb on sandy/gravelly dry soil among shrubs, common, ht. 5cm, fls yellow. 158 Comment
  RSA639640  Eriogonum wrightii var. nodosum Robert F. Thorne 1966-10-15 41793 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  POM184047  Eriophyllum ambiguum var. paleaceum P. A. Munz 1932-3-14 12000 Riverside Palm Springs. 91 Comment
  SD6242  Eriophyllum ambiguum var. paleaceum unknown Mar 1914 Riverside Palm Springs Comment
  UCR3445  Eriophyllum ambiguum var. paleaceum John Minnich 1964-3-25 64-3-25 8 Riverside Sonoran (Colorado) Desert, Hwy 74, on desert side of San Jacinto Mtns. 457 Comment
  CAS-BOT-BC297357  Eriophyllum confertiflorum Philip A. Munz 1930-5-1 11918 Riverside Dry Morongo Wash, Little San Bernardino Mts 182 Comment
  POM306145  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1336 Riverside Palms to Pines Highway. Comment
  UCR172239  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  JEPS23547  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  CLARK-A1528-214  Eriophyllum multicaule Steven W. Berthel 1971-5-27 Riverside Box Springs Mountains Comment
  POM359848  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 610 Comment
  UCR91226  Eriophyllum multicaule Scott D. White 1996-3-31 3863 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  JOTR32130  Eriophyllum pringlei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2286 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  OBI8136  Eriophyllum wallacei David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12068 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  UCR34971  Eriophyllum wallacei L. B. Ziegler 1967-6-21 166 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  UCR114606  Erodium brachycarpum Mitch Provance 1999-3-5 1058 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  CHSC79751  Erodium cicutarium D. Atwood; L. Stritch 1993-4-2 17913 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands. 670 Comment
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May 15 2015
  SBBG122755  Eryngium aristulatum var. parishii A. Parikh 1990-5-14 170 Riverside Santa Rosa Plateau Ecological Reserve, NE part of Mesa de Burro, S of Miller Cyn, 3.3 km SSW of Murrieta 593 Comment
  RSA651370  Erysimum capitatum Richard Clark 1969-5-24 s.n. Riverside Lk. Filmore; Palms to Pines Hwy. Comment
  SEINET4326807 Image available Erysimum capitatum N. Cooper 1944-7-16 1550 Riverside San Jacinto Mountains, above Pine Cove 2073 Comment
  UCD115010  Erysimum capitatum var. capitatum R. L. Smith 1948-3-25 s.n. Riverside 5 miles north of March Field. Comment
  CHSC105718  Erythranthe diffusa P. A. Munz 1922-4-30 5135 Riverside Hills south of Tuscalota Creek. Hillside on road from Aguanga to Hemet. Comment
  RSA0020251  Erythranthe floribunda Henry J. Ramsey 1937-5-30 2120 Riverside Santa Rosa Mountains. Comment
  SD138803  Erythranthe parishii Craig Reiser 1993-4-25 Riverside Near Aguanga, floodplain of Temecula Creek southeast of the Aguanga Store Comment
  UCR277636  Eschscholzia A. C. Sanders, Jim Malusa 2017-1-14 42658 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  RSA33577  Eschscholzia californica N. C. Cooper 1944-6-4 1362 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA509569  Eschscholzia californica Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  HSC79253  Eschscholzia minutiflora G. K. Helmkamp 1984-5-5 - 3 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  LA46282  Eschscholzia minutiflora H. Lewis; 1949-3-26 2222 Riverside 5 mile W of Cottonwood Springs, hwy 60/70 Comment
  UCD105362  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 Riverside Mecca-Jushua Tree Road, 7.0 miles southwest of junction with Interstate Highway 10. 243 Comment
  UCD94205  Eschscholzia minutiflora Shannon M. Still 2008-3-21 316 Riverside California. Riverside County: Little Maria Mountains on Midland Road. In a wash north of pass through the mountains just off west side of the road. 272 Comment
  UCD94294  Eschscholzia minutiflora Shannon M. Still; Robert Lee 2009-3-3 453 Riverside California. Riverside County: Joshua Tree National Park. 530 Comment
  CAS-BOT-BC419631  Eschscholzia parishii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2735 Riverside Colorado Desert: Chuckwalla Mts. 10.6 mi SW of Chuckwalla Valley Rd. on Graham Pass Road Comment
  JOTR38684  Eschscholzia parishii Hodges, Stephen R. 2017-2-7 700 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UC1546701  Eschscholzia parishii Barry A. Prigge 1988-2-21 7841 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UC494756  Eschscholzia parishii C. L. Hitchcock 1932-4-7 12211 Riverside 5 mi s Cottonwood Springs Comment
  UCR166553  Eschscholzia parishii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10881 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA583359  Eucrypta chrysanthemifolia Steve Boyd, D. L. Banks 1995-4-5 8420 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
  SEINET3091513 Image available Eucrypta chrysanthemifolia Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  POM259685  Eucrypta chrysanthemifolia var. bipinnatifida P. A. Munz 1940-3-23 15715 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  UCR100303  Eucrypta chrysanthemifolia var. chrysanthemifolia B. G. Pitzer 1997-4-20 3193 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  JEPS22524  Eucrypta micrantha Rimo Bacigalupi with Paul Hutchison 1958-2-19 6186 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts); Big Maria Mts. 167 Comment
  SFV6303  Eucrypta micrantha T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 57 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  CDA37673  Eulobus californicus T. C. Fuller 1962-4-4 7997 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  UC50301  Eulobus californicus H. M. Hall Apr. 1903 3808 Riverside Vicinity of Riverside 396 Comment
  SD119918  Euonymus occidentalis var. parishii Louis B. Ziegler 1973-6-19 512 Riverside San Jacinto Mountains, North Fork of the San Jacinto River. 1830 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
  UCR137040  Euphorbia albomarginata A. C. Sanders 2004-5-5 27755 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR21977  Euphorbia albomarginata Steve Boyd 1980-5-5 206 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  CLARK-A1528-437  Euphorbia eriantha Olga Kersteiner 1964-5-17 Riverside Aguanga Comment
  CLARK-A1656-661  Euphorbia eriantha Lois Ann Scott 1978-4-8 Riverside Palm Desert 182 Comment
  UCR95421  Euphorbia micromera L. C. Wheeler 1966-10-15 8982 Riverside San Jacinto Mtns., near Black Hill, by Pines to Palms Hwy. 976 Comment
  UCR256716  Euphorbia ocellata var. arenicola Duncan S. Bell 2012-2-12 3097 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR41454  Euphorbia peplus B. G. Pitzer 1986-2-22 0014 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  RSA715103  Euphorbia polycarpa A. C. Sanders, Guy Bruyea 2004-4-2 27431 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  SD129388  Euphorbia polycarpa Jon M. Stewart 1989-9-17 602 Riverside Coachella Valley, Pushawalla Canyon in the Indio Hills, in desert wash Comment
  UCR104010  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-5 2675 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA432487  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-5-20 2646 Riverside Pinyon Flats. 1067 Comment
  RSA432481A  Euphorbia polycarpa var. vestita B. C. Templeton, I. W. Clokey 1930-4-9 1013 Riverside North of Palm Springs. Colorado desert 400 Comment
  UCR20517  Euphorbia serpillifolia H. A. Zuill 1966-6-29 264 Riverside Santa Ana Mtns., Santa Rosa Plateau, Cole Canyon, 2 mi. [NW] of Murrieta Comment
  UCR264457  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41850 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UC162553  Eustoma exaltatum unknown 1897-8-28 Riverside Riverside Comment
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Oct 20 2007
  SEINET936428  Fagonia laevis Helen K. Sharsmith 1952-1 4062 Riverside Northwest base of Chuckwalla Mountains 7 miles south of Highway 60-70. 533 Comment
  CAS-BOT-BC293741  Fagonia pachyacantha Mona Bourell 1987-4-14 3277 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  RSA792469  Fagonia pachyacantha Justin M. Wood, Dustin Ray 2011-4-28 3839 Riverside Sonoran Desert: Chuckwalla Valley: 4.2 miles southeast of Kaiser's Eagle Mountain Mine, west of Kaiser Road on T-line road where it crosses over small hill. 257 Comment
  UC1931230  Festuca arundinacea Scott D. White, Justin Wood 2008-6-17 12151 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. (Idyllwild) Comment
  UCR22057  Festuca microstachys Steve Boyd 1980-4-13 121 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR116918  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23953 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA522755  Filago californica Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-29 3862 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR214144  Filago californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37725 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
  UCR134653  Filago gallica Mitch Provance 1998-4-9 404 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR98675  Filago gallica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  CHSC629  Fouquieria splendens V. Holt 1942-3-28 Riverside Indio. -6 Comment
  CAS-BOT-BC223601  Fouquieria splendens subsp. splendens Roxana S. Ferris 1918-6-15 992 Riverside 2 miles east of Shavers Well Comment
  UC19171  Fouquieria splendens subsp. splendens H. M. Hall 1902-4-11 2789 Riverside Coyote Canyon Colorado Desert (w borders of Colorado) 152 Comment
  RSA623949  Frankenia grandifolia var. campestris Arthur R. Kruckeberg 1940-12-7 4778 Riverside Cajulco Canon, near Elsinore Comment
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Mar 9 2013
  RSA160521  Fraxinus dipetala J. D. Olmsted 1959-4-23 468 Riverside Spring Trail at Beacon Pines Ranch, 9 miles SW of Corona; Santa Ana Mts. Drainage area: Santa Ana river. 793 Comment
  UC1123366  Fraxinus dipetala R. St. John 1931-3-25 199 Riverside e of Sierra Peak; Corona Quad. 457 Comment
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Nov 27 2011
  UCR209165  Fraxinus pennsylvanica subsp. velutina A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37153 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  SD137592  Fremontodendron californicum Darin L. Banks, Victor Steinmann 1995-7-10 755 Riverside NW Palomar Mountains: Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area; along the Wildhorse Trail, W of Lower Arroyo Seco, SE of Woldhorse Peak, along the drainage of the peak Agua 914 Comment
  RSA562050  Fritillaria biflora Steve Boyd, Timothy S. Ross 1992-4-1 6779 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  RSA3963  Funastrum cynanchoides var. hartwegii C. B. Wolf 1932-4-29 3102 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  RSA458581  Funastrum cynanchoides var. hartwegii A. Menke 1955-5-22 s.n. Riverside Chino Canyon, Palm Springs, Riverside county. Comment
  JOTR34312  Funastrum hirtellum Andre, Jim 2012-4-11 20727 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA795090  Funastrum hirtellum J. Andre 2012-4-11 20727 Riverside Joshua Tree National Park; along road to Cottonwood Spring (Utah Trail or Eldorado Mine Road) 1 mile northwest of Fried Liver Wash, approximately 15 miles south of Highway 62 at 29 Palms. 617 Comment
  SEINET10580699  Funastrum hirtellum Ivan Murray Johnston 1917-4-4 Johnston s.n. 1917 Riverside Palm Canyon Comment
  UC1618025  Galium andrewsii Donald G. Nelson 1936-5-22 386 Riverside on the Pines-to-Palms Hwy. at Ribbonwood Camp (San Jacinto Mts.); San Jacinto Mts. Comment
  UC28154  Galium andrewsii subsp. andrewsii H. M. Hall May 1899 1155 Riverside Kenworthy San Jacinto Mountains 1524 Comment
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Mar 25 2011
  LA211930  Galium angustifolium subsp. angustifolium LeRoy Gross; Duncan S. Bell 2013-4-30 6037 Riverside SAN JACINTO MOUNTAINS, Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, S to Strawberry Creek. 1510.0 Comment
  SBBG47440  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-7-15 1539 Riverside Idlewild 1524 Comment
  CAS-BOT-BC223051  Galium angustifolium subsp. gracillimum Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  UCR24919  Galium aparine A. C. Sanders 1980-7-18 1657 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA0022211  Galium aparine D. W. Stevens 1966-5-21 834 Riverside Thomas Mt. Camp. Comment
  RSA706295  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1285 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  LA208323  Galium johnstonii H. Lewis; 1939-10-22 1021 Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  LA208517  Galium johnstonii Carl Epling; William Robison 1935-6-30 Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  RSA667136  Galium murale A. C. Sanders 2001-5-10 24251 Riverside Riverside, Blaine St. at RR tracks near intersection with Watkins Dr. 335 Comment
  UC1143089  Galium nuttallii subsp. nuttallii R. St. John 1931-2-18 185 Riverside sw Murrieta; Elsinore Quadrangle Comment
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Nov 27 2011
  RSA679075  Galium parishii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1442 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA667005  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200m east of Warren Rd. and 100-200m north of Stetson Ave. 457 Comment
  UCR193730  Galium porrigens A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35643 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  RSA739708  Galium porrigens var. porrigens A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35643 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  LA208447  Galium stellatum var. eremicum H. L.; 1939-4-9 Riverside Indio -6 Comment
  UC666515  Galium stellatum var. eremicum Annie M. Alexander and Louise Kellogg 1941-5-18 2200 Riverside n slope Colorado Desert, Eagle Mountains 1066 Comment
  RSA23667  Garrya flavescens var. pallida Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts., East side, along Eagle Motor Way, 1 mi. below summit 915 Comment
  UC303652  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside San Jacinto River Canyon; Oak Lodge 914 Comment
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Nov 20 2011
  UCR177113  Garrya veatchii Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1106 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA577758  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley Comment
  UCR2434  Gastridium ventricosum F. M. Reed 1906-10-18 1197 Riverside Moreno Valley, along Perris [Blvd.] near Allessandro Blvd 479 Comment
  CDA5294  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  RSA761322  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 680 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA788813  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50777 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  POM265812  Gayophytum diffusum subsp. parviflorum J. C. Roos 1937-8-18 2529 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA485836  Geraea canescens Thomas S. Elias 1988-2-26 10688 Riverside Northeastern section of Eagle Mtns E of Joshua Tree national Monument,Riverside County Comment
  UC170153  Geraea canescens E. E. Schellenger 1894-12-5 89 Riverside Eherenberg Road near Red Canon; Colorado Desert Comment
  CLARK-A1528-707  Gilia angelensis Stanley W. Austin 1969-5-3 22 Riverside Riverside 487 Comment
  RSA0080325  Gilia angelensis Sarah J. De Groot, Cheryl Sevilla 2015-3-18 7371 Riverside White Water Canyon, along the Pacific Crest Trail, just west of the White Water Preserve; south of Red Dome. Southwest of Morongo Valley, west-northwest of Desert Hot Springs. 718 Comment
  RSA12924  Gilia angelensis C. B. Wolf 1935-4-7 6314 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  RSA470127  Gilia angelensis N. C. Cooper 1944-3-24 1025 Riverside Banning. 701 Comment
  RSA654611  Gilia angelensis Bruce Albert 1982-4-17 61 Riverside Flat field south of Cajalco road, 0.3 miles east of La Sierra Hwy. Comment
  RSA72287  Gilia angelensis F. W. Peirson 1929-5-4 8334 Riverside Summit of St John's grade. 792 Comment
  SD262343  Gilia angelensis Mitch Provance, Jeramiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 75 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. (Alberhill 7.5'Q) 392 Comment
  UC718485  Gilia angelensis Carl B. Wolf 1935-4-7 6314 Riverside 2 mi sw of Perris; Gavilan Hills Region, sw of Ferris 426 Comment
  UC880101  Gilia angelensis K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  RSA221056  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1966-5-8 6439 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CAS-BOT-BC257174  Gilia diegensis Duncan S. Bell; Valentin Arvizu 2010-5-10 988 Riverside Peninsular Ranges; San Jacinto Mountains region: 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
  RSA87943  Gilia diegensis Verne Grant 1954-6-10 19659 Riverside On top of a shoulder on Santa Rosa Mountain. 2134 Comment
  SD7672  Gilia diegensis May 1881 Riverside Temecula Comment
  RSA777651  Gilia latifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 773 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  CAS-BOT-BC407607  Gilia ochroleuca subsp. exilis B. Trowbridge 1979-4-13 6071 a Riverside 5 miles E of Temecula off Hwy 71 762 Comment
  CAS-BOT-BC407612  Gilia ochroleuca subsp. exilis Robert F. Thorne; F. R. Fosberg; M. Sachetti 1983-4-23 55471 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 624 Comment
  RSA0017088  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4016 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 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
  CAS-BOT-BC123828  Gilia splendens subsp. australis Herbert Louis Mason 1926-5-2 3195 Riverside Temecula Valley Comment
  UC1007232  Gilia stellata P. A. Munz 1940-3-24 15702 Riverside 2 mi n Cottonwood Springs; Eagle Mts., Cottonwood Springs 914 Comment
  UC1595789  Gilia stellata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4637 Riverside 15.4 mi ne Mecca (Bajadas above Box Canyon, Lowdesert) Comment
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May 29 2011
  RSA445520  Glaucium flavum Donald A. Johansen 1933-7-14 710 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  CLARK-A1528-4676  Glyceria elata John C. Roos 1941-8-2 85 Riverside San Jacinto Mountains Comment
  RSA627456  Glyceria striata Scott D. White 1998-7-31 6954 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA653260  Glycyrrhiza lepidota Mitch Provance 2000-8-5 2181 Riverside East side of N Main St, ca. 100 yards before the Riverside Ave/ Main St bridge crossing the Santa Ana River. 259 Comment
  RSA463721  Gnaphalium beneolens B. Pitzer, Jack Easton 1987-3-10 398 Riverside Anza area, hills S of Thomas Mtn., ca. 3 mi E of town of Anza on N side of Hwy 371. 1341 Comment
  RSA594037  Gnaphalium californicum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0931 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR112518  Gnaphalium californicum Mitch Provance 1998-2-6 23 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  UCR172265  Gnaphalium californicum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA192004  Gnaphalium luteoalbum E. W. Lathrop 1966-4-13 6166 Riverside 3 miles NW of Murrieta Comment
  UCR87650  Gnaphalium luteoalbum Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA388322  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA678953  Gnaphalium palustre Scott D. White, Michael Honer 2003-6-3 9455 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC896945  Gnaphalium palustre P. A. Munz 1922-9-6 6375 Riverside Hidden Lake San Jacinto Mts., Hidden Lake 2438 Comment
  UCR116997  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2001-5-3 24104 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR174347  Gnaphalium palustre A. C. Sanders 2006-5-19 32402 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
  UCR174350  Gnaphalium stramineum A. C. Sanders 2006-5-19 32393 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
  UCR212971  Gnaphalium stramineum Justin M. Wood, Brandy N. Wood 2009-7-4 1041 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  RSA430053  Guillenia lasiophylla Robert M. Perkins, H. de Forest 375 Riverside Out of Blyther to Rice. Comment
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Mar 3 2013
  RSA524583  Guillenia lasiophylla Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4131 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
  RSA777829  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 855 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  CLARK-A1528-1863  Gutierrezia bracteata John C. Roos 1937-7-11 1506 Riverside Reche Canyon Comment
  JEPS49061  Gutierrezia californica Lewis S. Rose 1966-12-14 66110 Riverside 3 mi w Palm Springs; Chino Canyon 670 Comment
  RSA741736  Gutierrezia californica Michael Wall 2008-10-3 491 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  UCR140693  Gutierrezia californica A. C. Sanders 2004-5-11 27847 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UC1118607  Gutierrezia sarothrae H. S. Yates 1937-6-27 6703 Riverside 1 mi sw Mt. Eden; Elsinore Quadrangle Comment
  UCD132605  Gutierrezia sarothrae R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  UCR34972  Gutierrezia sarothrae L. B. Ziegler 1967-9-28 257 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  SEINET189213  Halliophytum hallii Annie M. Alexander, L Kellogg 1941-5-9 2138 Riverside Plateau 1.5 miles north of Cottonwood Spring Eagle Mountains 975 Comment
  SEINET11849224  Haplopappus linearifolius E. A. Purer 1935-1 6445 Riverside Pine Valley, Pines & Palms Highway Comment
  SEINET273064  Harpagonella palmeri A. C. Sanders 1997-3-26 20116 Riverside Lake Skinner area: NW foot of the Tucalota Hills 0.2 mi E of main Skinner entrance road on a dirt service road 473 Comment
  UCR59754  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3029 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR119414  Helenium puberulum Mitch Provance 1998-6-20 705 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA598425  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris: Nuevo Road at edge of irrigated alfalfa field, just E of San Jacinto River crossing. 435 Comment
  RSA659711  Helianthus niveus J. C. Roos 1965-4-28 s.n. Riverside Palm Springs. Comment
  UCR18115  Helianthus niveus subsp. canescens A. C. Sanders 1978-4-2 00137 Riverside Sonoran (Colorado) Desert, Coachella Valley, between Miles Ave. and Hwy 111, just east of Washington St 30 Comment
  CSUSB992  Heliotropium curassavicum var. oculatum J. Operskalski 1976-4-28 Riverside Highway 60, East Pigeon Pass Road. Comment
  UCR214318  Hemizonia kelloggii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38393 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
  POM97112  Hemizonia kelloggii P. A. Munz 1925-5-20 9849 Riverside Aguanga Valley. Comment
  UCR150557  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  UCR16863  Hemizonia paniculata H. C. Sharma 1976-4-20 760420- 04 Riverside UCR campus, about 40 ft north of northern parking lot of Bannockburn Comment
  UCR239889  Hemizonia paniculata O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR277747  Hemizonia paniculata Mitch Provance 2012-7-15 712- 07 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  UCR162935  Hemizonia pungens subsp. laevis Fred M. Roberts, D. E. Bramlet 2005-4-1 6146 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR238748  Hemizonia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman's Retreat Lake 597 Comment
  RSA0040168  Hesperocallis undulata Sarah J. De Groot, April Garbat 2013-3-28 6994 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  SD262308  Hesperolinon micranthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417 44 Riverside Perris-Aguanga Basin: Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln, 0.2 miles W of Murrieta Rd. (Romoland 7.5'Q) 518 Comment
  UCSB17459  Hesperoyucca whipplei Lockwood, Leo 1963-5-4 Riverside W side of banning-Idyllwild Road, 4 miles S of U.S. Highway 60, 70, 99 762 Comment
  UCR201702  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-17 12154 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  SEINET13297594 Image available Heteromeles arbutifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8351 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  POM47433  Heterotheca fastigiata Mary F. Spencer 1919-7-8 1268 Riverside Edge of woods, Idyllwild, San Jacinto Mts 1616 Comment
  RSA89964  Heterotheca horrida subsp. cinerascens J. C. Roos, L. Roos 1950-10-21 5011 Riverside Wonderland of Rocks [Joshua Tree National Park]; Little San Bernardino Mts. 1220 Comment
  CAS-BOT-BC176955  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  UCSB42205  Heterotheca subaxillaris Roos, John 1965-9-26 Riverside 2 miles south of Jackson St., Indio Comment
  CLARK-A1528-3225  Hibiscus denudatus John C. Roos 1949-3-19 4103 Riverside Orocopia Mountains Comment
  RSA432774  Hibiscus denudatus Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR213269  Hibiscus denudatus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37442 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR263654  Hilaria rigida David Fraker, Aaron C. Sedgwick 2012-3-22 022 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR281907  Hilaria rigida A. C. Sanders, Jim Malusa 2017-9-21 43358 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UC1951113  Hirschfeldia incana Scott D. White, Justin Wood 2009-5-21 12847 Riverside SAN JACINTO MOUNTAINS: McMullen Flat area, 0.35 mile N on Valley Hi Dr, from intersection w/ Twin Pines Rd. USGS Cabazon 7.5' Quad. Comment
  SEINET2061522 Image available Hoffmannseggia glauca Norman C. Cooper 1949-4-8 3322 Riverside Blythe, low place in desert 259 Comment
  CAS-BOT-BC206101  Hoffmannseggia microphylla John Thomas Howell 1928-3-25 3543 Riverside Rocky walls of Painted Canyon [Canon], Colorado Desert Comment
  CAS-BOT-BC207552  Hoffmannseggia microphylla Roxana S. Ferris; R. Bacigalupi 1932-4-30 8243 Riverside in canyon between Shaver's Well and Mecca Comment
  SD49373  Hoffmannseggia microphylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca & Shaver's Well, in gravelly soil Comment
  SEINET6654711  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside San Jacinto Mountains, Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring.; 0 1540 Comment
  UCR18038  Holocarpha virgata subsp. elongata A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 139 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  UC597672  Hordeum depressum Philip A. Munz 1937-3-27 14936 Riverside Lake Elsinor Elsinore 304 Comment
  UCR162953  Hordeum intercedens Fred M. Roberts, D. E. Bramlet 2005-4-1 6141 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  CLARK-A1528-67  Hordeum leporinum Oscar F. Clarke, C. M. Flanagan 1973-3-13 OO 118 Riverside US 274 Comment
  UCR201614  Hordeum marinum subsp. gussoneanum Scott D. White, Justin M. Wood 2008-6-19 12256 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR92715  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18061 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR114139  Hordeum murinum B. G. Pitzer, J. Ross 1998-3-8 3597 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  RSA642084  Horkelia clevelandii Orlando Mistretta, Mark A. Elvin 1995-6-19 1772 Riverside San Jacinto Mountains. 1463 Comment
  UC44526  Horkelia clevelandii John Thomas Howell 1927-8-2 2913 Riverside Mt. San Jacinto, Strawberry Valley 1676 Comment
  RSA0018951  Horkelia clevelandii H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  UCR36587  Horsfordia newberryi J. M. Stewart 1984-11-4 8448 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fan at toe of Martinez Mountain slide 46 Comment
  LA203775  Hulsea vestita subsp. callicarpha John O'Leary; 1975-6-13 415 Riverside next to Hwy. in the San Jacinto Mts. (1 mi. S. of Lake Fulmor) 1554 Comment
Read comments
Jun 23 2013
  RSA125315  Hulsea vestita subsp. callicarpha R. Weatherby 1949-6-6 637 Riverside Santa Rosa Mountain. 1982 Comment
  CAS-BOT-BC312603  Hulsea vestita subsp. parryi C. F. Saunders 1915-6-1 s.n. Riverside Summit San Jacinto Comment
  RSA453769  Hydrocotyle umbellata L. C. Wheeler 1933-12-2 2314 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  RSA777819  Hymenoclea salsola var. pentalepis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 848 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  RSA458247  Hypericum formosum var. scouleri L. C. Wheeler 1931-10-3 187 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  RSA544396  Hypochaeris glabra Steve Boyd 1991-5-30 6323 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  UCR117718  Hypochaeris radicata Mitch Provance 1998-6-6 622 B Riverside City of Riverside, NE corner of Van Buren Blvd. and Central Ave. 229 Comment
  CAS-BOT-BC219740  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Sandy floor of Painted Canon [Canyon], Colorado Desert Comment
  PASA1155  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  RSA0041942  Hyptis emoryi Duncan S. Bell, Loraine Washburn 2014-4-10 6594 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  RSA475288  Hyptis emoryi Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2102 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SEINET3197211 Image available Hyptis emoryi Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (mcCoy 7.5' Q) 204 Comment
  SFV6300  Hyptis emoryi T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 54 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UC400190  Hyptis emoryi Ynes Mexia 1929-2-15 2326 Riverside near Palm Springs (Murray Canyon); , near Palm Springs Comment
  UCR104802  Hyptis emoryi George K. Helmkamp 1998-2-5 2649 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  CDA5545  Ipomoea triloba T. C. Fuller 1962-10-2 9703 Riverside West side of Neighbors Boulevard, 0.8 mile south of Ripley. 0 Comment
  UCD126499  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside northwest of Neighbors Blvd. and Ave. 22, 1.4 miles north of Ripley. Comment
  POM359290  Isocoma acradenia E. C. Jaeger 1922-7-19 s.n Riverside Soboba Hot Spring. Comment
  CAS-BOT-BC311533  Isocoma acradenia var. acradenia A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell 550 Comment
  HSC100129  Isocoma menziesii Mike Lahti 2009-10-22 1501843 Riverside Banks of Temecula Creek, near downtown Temecula Comment
  POM318592  Isocoma menziesii var. menziesii Patricia Wilder 1970-10-15 4798 Riverside [Prado Dam area] Comment
  RSA655226  Isocoma menziesii var. menziesii Scott D. White 1999-10-7 7623 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA621888  Isocoma menziesii var. vernonioides Steve Boyd, Tim Ross, L. Arnseth 1989-3-18 3005 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA234061  Isoetes orcuttii R. F. Thorne, Earl Lathrop 1969-5-12 37943 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  CAS-BOT-BC126766  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37160 Riverside Peninsular Range: Riverside, between UCR agricultural operations fields, along Iowa Ave. between University Ave. and M.L. King Blvd. 305 Comment
  CAS-BOT-BC110069  Juncus acutus Annie M. Alexander; Louise Kellogg 1941-5-26 2241 Riverside Colorado Desert. Monsen Canyon, Eagle Mountains. 914 Comment
  UCR201647  Juncus arcticus var. mexicanus Scott D. White, Justin M. Wood 2008-6-5 12062 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 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
  HSC24281  Juncus bufonius James Henrickson 1969-5-16 3261 Riverside 6 mi. W of Murrieta on Colorado Mesa of Santa Rosa Plateau 701 Comment
  RSA0013145  Juncus bufonius var. bufonius LeRoy Gross, Caitlin Elam 2013-5-14 6071 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR40551  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  RSA368089  Juncus oxymeris M. B. Dunkle 1933-7-19 3668 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  UCR95422  Juncus oxymeris C. W. Tilforth, W. Wisura 1981-7-10 2114 Riverside Stanley Road, S leg of Red Mtn loop, east of Hwy R3, south of Hemet Comment
  POM49575  Juncus rugulosus Phillip A. Munz, I. M. Johnston 1924-7-28 8800 Riverside Pine Flats 1738 Comment
  SEINET10755901  Juncus rugulosus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12832 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA593992  Juncus xiphioides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 948 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  SEINET10879492  Juncus xiphioides J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12833 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  HSC25951  Justicia californica R. W. Spjut 1972-1-6 2105 Riverside Colorado Desert, along Hwy. 195, E of Indio 0 Comment
  RSA402299  Justicia californica L. E. Hoffman 1932-11-26 s.n. Riverside Near Palm Springs--Colorado Desert. Comment
  SEINET10972716  Justicia californica Rose 1935-12-19 Rose 35669 Riverside Palm Springs, desert wash. 138 Comment
  UC2044616  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. (Hopkins Well 7.5' Q.) 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
  SFV3426  Keckiella antirrhinoides D. Whisler 1959-5-10 Riverside San Jacinto Mountains North scarp. 610 Comment
  UC410544  Keckiella antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 Riverside near Idyllwild Comment
  UCR252216  Keckiella antirrhinoides J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  POM9667  Keckiella antirrhinoides Philip A. Munz, R. D. Harwood 1920-2-28 3255 Riverside 3 mi W. of Corona. 335 Comment
  CAS-BOT-BC236714  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  NY786537  Keckiella antirrhinoides var. antirrhinoides F. W. Pennell 1940-4-28 25290 Riverside Route 74, below Ribbonwood, east of San Jacinto Range 1402.1 Comment
  SD152748  Keckiella antirrhinoides var. antirrhinoides Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7360 Riverside San Mateo Wilderness Area; San Mateo Canyon, along stream about the confluence with Los Alamos Canyon, near junction of Tenaja Road (7S01) and Los Alamos Road (7S04) 395 Comment
  SD178242  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  JOTR38529  Krameria erecta Harding, Mitzi, Kipp Callahan 2012-8-27 300 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  RSA33613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  POM248405  Lactuca serriola Philip Crow 1939-07 8 Riverside Blythe. Comment
  JOTR38519  Laennecia coulteri Harding, Mitzi, Kipp Callahan 2012-8-27 288 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UC1605434  Lagophylla ramosissima Steve Boyd and Tim Ross 1994-9-14 8342 Riverside about 0.5 mi s Serrano Spring (sw edge of Oak Flats area); Southern Santa Ana Mountains, Cleveland NF, San Mateo Cany 731 Comment
  UCR202423  Lagophylla ramosissima Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  CLARK-A1528-69  Lamarckia aurea C. M. Flanagan 1973-4-14 OO 108 Riverside Sunnymead 579 Comment
  JEPS69283  Lamarckia aurea W. L. Jepson 1901-5-17 1208 Riverside e of Riverside (on road to San Jacinto, journey from Riverside to Santa Rosa Peak and Palomar); Southern California 266 Comment
  UC1595558  Lamarckia aurea Steve Boyd, Orlando Mistretta 1991-5-22 6314 Riverside e of Dorland Mountain (w of Kolb Creek, base of Agua Tibia Mountain, Vail Lake Area); Vail Lake Area, Agua Tibia Mountain 548 Comment
  RSA741018  Lamium amplexicaule Scott D. White, Justin M. Wood 2008-6-18 12235 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR97246  Lamium amplexicaule Scott D. White 1997-2-28 4705 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UC909116  Langloisia setosissima subsp. setosissima Frank W. Peirson 1927-4-12 7177 Riverside at camp near forks Painted Canyon; Colorado Desert, Painted Canyon Comment
  LA209860  Larrea tridentata O. H. Kappler; 1950-4-1 2043 Riverside 4 mi E of Palm Springs, N of Cathedral City 182 Comment
  POM2798  Larrea tridentata Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. 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
  RSA390032  Larrea tridentata E. A. McGregor 1966-3-21 s.n. Riverside Near Indio. Comment
  UC1563033  Lastarriaea coriacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3093 Riverside w of Woodchuck Road (s of Highway 79, Kolb Creek drainage); Vail Lake Area 487 Comment
  SD152928  Lasthenia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, along San Mateo Trail from junction 7S04 and 7S01. 395 Comment
  SBBG7751  Lasthenia coronaria H. and M. Dearing 1939-4-6 3099 Riverside near Aguanga Comment
  UCR102761  Lasthenia coronaria B. G. Pitzer 1998-3-7 3586 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
  POM157928  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10842 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR189563  Lasthenia glabrata subsp. coulteri Diane Menuz 2006-5-9 078 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area, across the street from main headquarters and information booth 432 Comment
  POM361595  Lasthenia gracilis N. C. Cooper 1947-4-5 2099 Riverside Alamos Canyon, Elsinore 762 Comment
  RSA12915  Lasthenia gracilis C. B. Wolf 1935-4-7 6305 Riverside 2 mi. SW of Perris. 427 Comment
  RSA556480  Lasthenia gracilis Julie Greene 1993-3-13 1009 Riverside On the berm between the western ponds 440 Comment
  RSA650961  Lasthenia gracilis R. L. Bowlin 1949-4-3 s.n. Riverside 3 miles south of Lake Elsinore. 15 Comment
  SBBG103913  Lasthenia gracilis S. D. White 1993-4-20 1215 Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR122770  Lasthenia gracilis George K. Helmkamp, E. A. Helmkamp 1998-4-24 3374 Riverside San Jacinto Mountains, 0.1 mi east of the junction of Calif. Hwy 74 and Calif. Hwy 371, SE side of the mountains 1494 Comment
  UCR165418  Lasthenia gracilis A. C. Sanders 2005-4-21 29561 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UC1719501  Lathyrus sulphureus D. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mountains, 4.8 mi S of Lake Elsinore, along Hwy 74 812 Comment
  POM13822  Lathyrus vestitus subsp. alefeldii P. A. Munz 1922-4-28 5050 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  POM14210  Lathyrus vestitus subsp. laetiflorus Wm. M. Pierce 1922-4-15 s.n. Riverside Santa Ana Canyon. Santa Ana Mountains. Comment
  RSA406641  Lathyrus vestitus subsp. laetiflorus Anonymous 1944-6-16 1432 Riverside San Jacinto Mountains, Pine Cove. 1524 Comment
Read comments
Feb 16 2013
  JEPS23550  Layia glandulosa Peter H. Raven 1958-5-5 12904 Riverside Comment
Read comments
Mar 13 2011
  UCR84784  Layia glandulosa Scott D. White, S. Ogg 1994-4-21 1977 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA695600  Layia platyglossa Keith E. Hoffmaster 1937-6-6 s.n. Riverside Hemet Lake. Comment
  RSA747957  Layia platyglossa Justin M. Wood 2009-5-15 711 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR116928  Layia platyglossa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24215 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR12202  Layia platyglossa S. W. Berthel 1971-5-27 s.n. Riverside Box Springs Mtns, Just above 'C' Comment
  SD8295  Lepidium dictyotum Daniel Cleveland 1882-5-3 845 Riverside Temecula Comment
  UCR265598  Lepidium didymum Jordan Zylstra 2014-3-18 14012 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCR79360  Lepidium draba Steve Boyd 1992-4-18 6894 Riverside Perris-Aguanga Basin, Paloma Valley, c. 5 air mi southeast of Sun City at the corner of Leon Road and Scott Road 427 Comment
  UC856592  Lepidium fremontii I. W. Clokey 1935-4-17 6651 Riverside Cottonwood Springs Comment
  CAS-BOT-BC89585  Lepidium lasiocarpum Munz; Street; Williams 1919-3-25 2315 Riverside Palm Canyon, Palm Springs. 243 Comment
  RSA66733  Lepidium lasiocarpum F. W. Peirson 1920-2-15 2834 Riverside Palm Springs, Tahquitz Camp. Comment
  RSA703749  Lepidium lasiocarpum LeRoy Gross 2005-3-3 1570 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR51947  Lepidium lasiocarpum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2122 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SBBG133576  Lepidium latifolium S. D. White, L. Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  UC1929339  Lepidium latifolium Scott D. White, Lynn Stafford 2007-6-27 11750 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. Comment
  CAS-BOT-BC89754  Lepidium latipes A. C. Sanders; K. C. Rose 1998-5-21 21865 Riverside Hemet. Flats west of town, east of the canal, south of Highway 74 (Florida) and ca. 0.25 mile west of Warren Road. 457 Comment
  RSA681895  Lepidium nitidum Scott D. White 2001-3-13 8162 Riverside Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  RSA691984  Lepidium nitidum Scott D. White, Michael Honer 2003-4-2 8919 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  UCR266406  Lepidium nitidum D. E. Bramlet 2011-4-16 4801 Riverside Perris-Aguanga Basin Region, West Hemet Hills, 1.15 km east of Winchester Road, 460 m north of Stowe Road 467 Comment
  UCR106731  Lepidium virginicum var. robinsonii John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR241104  Lepidium virginicum var. robinsonii A. C. Sanders, Timothy W. Chumley 2013-4-2 40741 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  JOTR35237  Lepidospartum squamatum Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, below Eureka peak on west boundary Comment
  RSA189412  Lepidospartum squamatum L. S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs. 198 Comment
  RSA596155  Lepidospartum squamatum D. L. Banks 1996-11-7 1220 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 10 m W of the Pechanga Tribal Center. 367 Comment
  POM99052  Leptosiphon floribundus E. C. Jaeger 1926-5-1 s.n. Riverside Joseph Canyon, Santa Ana Mts. Comment
  SD63336  Leptosiphon floribundus subsp. floribundus Walter Bertsch 1957-6-29 951 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2438 Comment
  SD152786  Leptosiphon parviflorus Steve Boyd, Tim Ross 1992-5-5 7241 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; eastern portions of Oak Flats along the Bluewater Trail. 792 Comment
  POM145371  Leptosiphon pygmaeus subsp. pygmaeus P. A. Munz 1927-5-20 10808 Riverside 10 miles S. of Hemet. Comment
  UC1287162  Lesquerella tenella C. L. Hitchcock 1966-3-20 24309 Riverside along road to Blythe about 30 mi n Ogilby Comment
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Mar 2 2013
  HSC104179  Lessingia glandulifera var. glandulifera A. C. Sanders, T. B. Salvato 2014-7-2 41157 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  JEPS20573  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside at Idyllwild (Strawberry Valley, Mt. San Jacinto); Mt. San Jacinto, Strawberry Valley Comment
  UCR77689  Linanthus androsaceus subsp. luteolus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6149 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  RSA764570  Linanthus bigelovii Michael Wall 2010-6-7 569 Riverside Bautista Creek off Bautista Canyon Rd., ca. 6.6 miles SE of jct. with Fairview Ave. 760 Comment
  UCR18152  Linanthus bigelovii A. C. Sanders 1978-3-19 525 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  CAS-BOT-BC225694  Linanthus californicus A. M. White 1974-6-5 1370 Riverside Indian Road ca 15 mi. W. Sun City 1219 Comment
  HSC95631  Linanthus californicus D. Atwood 1993-3-26 17655 Riverside Summit of Santa Ana Mts., 4.8 mi. S of Lake Elsinore, along Hwy. 74 813 Comment
  UCR225191  Linanthus californicus Steve Boyd, Susan Jett 2008-3-20 11829 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  HSC85324  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SJSU8697  Linanthus dianthiflorus N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd 3 mi N of Lake Elsinore Comment
  UCR263247  Linanthus dianthiflorus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41450 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA643888  Linanthus dianthiflorus subsp. dianthiflorus A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16241 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. 335 Comment
  UCR121238  Linanthus dianthiflorus subsp. farinosus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2250 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  JOTR36429  Linanthus jonesii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 678 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA123819  Linanthus jonesii P. H. Raven 1958-3-15 11846 Riverside Box Canyon 4.5 miles east of turn to Painted Canyon. Comment
  UCR267890  Linanthus jonesii Jim Andre 2013-3-4 23861 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCR24932  Linanthus liniflorus subsp. pharnaceoides A. C. Sanders 1980-7-18 1685 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  UCD170903  Linum usitatissimum T. B. Salvato 1999-5-5 070 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive. 305 Comment
  CAS-BOT-BC432279  Lithophragma affine Frank W. Peirson 1922-5-19 4189 Riverside San Jacinto River 1143 Comment
  RSA500999  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3118 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 524 Comment
  UCR67360  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3994 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR116857  Lobularia maritima A. C. Sanders, Steven R. Hill 2001-5-4 24136 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  SEINET11988760  Lobularia maritima A. L. Moldenke, Moldenke, H. N. 1976-1 30576 Riverside Ledco Hills, on old Rt. 71 Comment
  UCR119262  Loeflingia squarrosa Mitch Provance 1998-6-9 633 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UCR78448  Logfia arizonica Scott D. White 1993-4-22 1266 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  JOTR29498  Logfia filaginoides La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1312 Riverside Joshua Tree National Park. Little San Bernardino Mountains; south end of Long Canyon, near Park boundary 547 Comment
  JOTR34291  Logfia filaginoides Andre, Jim 2012-4-11 20700 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SBBG104028  Logfia filaginoides B. Pitzer, S. Hemstreet 1992-5-21 1946 Riverside St Hwy 74, 1 mi uphill from the 2000 ft marker, and to the left ca. 0.1 mi on old paved rd Comment
  UCR87936  Logfia filaginoides A. C. Sanders, Nancy Ferguson 1994-6-2 14633 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA192222  Lolium perenne subsp. multiflorum E. W. Lathrop 1960-5-6 4792 Riverside 10 miles west of Murrieta. Comment
  UCR1607  Lomatium lucidum R. G. Barber, David L. Davis 1962-5-13 111 Riverside Santa Ana Mtns., l mi. up Ivy St. from center of Murrieta 396 Comment
  CLARK-A1656-675  Lomatium utriculatum Milton Walker 1978-3-28 Riverside San Jacinto Mountains 1066 Comment
  OBI52756  Lomatium utriculatum L. LaPre, J. Eason 1988-1-27 s.n. Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA192212  Lomatium vaginatum E. W. Lathrop 1965-3-26 4360 Riverside Tenaja Guard Station, 18 mi. W of Elsinore. Comment
  RSA519117  Lomatium vaginatum Ed LaRue 1990-4-10 s.n. Riverside Midway between Pauba Valley & Wolf Valley; 0.5 mi. N of the Pechanga Indian Reservation. 365 Comment
  UCR82761  Lonicera interrupta A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15788 Riverside San Jacinto Mtns., N slope of Mtns.: Twin Pines Creek drainage, rocky gorge of Azalea Creek 1189 Comment
  SBBG69588  Lonicera subspicata var. denudata V. Duran 1933-7-3 3496 Riverside Vandeventer Flat 1524 Comment
  SD229123  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 662 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UC455867  Lonicera subspicata var. denudata I. J. Condit 1910-6-24 Riverside San Jacinto Mt. 609 Comment
  UCR104190  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR33823  Lotus argophyllus Robert McKernan 1980-4-16 s.n. Riverside Whitewater Canyon, 1.4 mi N of Bonnie Bell Comment
  UCSC000918  Lotus argophyllus Peter Kamb 1947-5-17 513 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  UCR209402  Lotus crassifolius var. crassifolius Fred M. Roberts, Robt. L. Allen 2008-6-23 7052 Riverside Santa Ana Mountains, Santiago Peak, east slope, Main Divide Truck Trail, 0.7 km northeast of summit 1580 Comment
  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
  RSA406159  Lotus hamatus N. R. Zabriskie, Walter M. Zabriskie 1973-4-3 609 -a Riverside Top of Poorwill Canyon, Andreas Canyon area, est slope San Jacinto Mountains 427 Comment
  RSA525446  Lotus hamatus Steve Boyd 1990-4-29 4491 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR250913  Lotus hamatus A. C. Sanders 2014-4-18 41030 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  UCR169469  Lotus humistratus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UC80942  Lotus nevadensis var. nevadensis A. W. Anthony 1895-7-10 Riverside San Jacinto Mts. 2590 Comment
  UC864848  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6722 Riverside Fuller Creek San Jacinto Mts. 1500 Comment
  UC15501  Lotus purshianus var. purshianus H. M. Hall 1901-6 2387 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  CLARK-A1528-485  Lotus rigidus John C. Roos 1951-9-25 Riverside Pinyon Crest Comment
  RSA498786  Lotus rigidus F. W. Peirson 1920-2-16 s.n. Riverside Murray Canyon, Palm Springs region. 274 Comment
  CLARK-A1703-68  Lotus scoparius William Horn, Jr. 1963-3-22 630322#1 Riverside Riverside 365 Comment
  UCR112305  Lotus scoparius var. brevialatus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23453 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA775600  Lotus strigosus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 991 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA795918  Lotus strigosus Duncan S. Bell 2009-4-18 232 Riverside Arica Mountains; northeast of range, approximately 1 air mile south of the ghost town of Rice. 248 Comment
  UC665763  Lotus strigosus Ira L. Wiggins 1941-3-27 9701 Riverside 4 mi n Whitewater Comment
  UC667365  Lotus strigosus Annie M. Alexander and Louise Kellogg 1941-5-15 2186 a Riverside n slope Eagle Mountains; Colorado Desert 914 Comment
  UCR225719  Lotus strigosus A. C. Sanders 2011-3-30 38908 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR90370  Lotus strigosus Scott D. White 1995-6-30 3430 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA125541  Lotus strigosus var. hirtellus R. Weatherby 1949-6-6 653 Riverside Mtn. spring, Santa Rosa Mtn. 1982 Comment
  UCR12275  Lotus strigosus var. hirtellus Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  RSA688834  Lotus strigosus var. strigosus Scott D. White, Michael Honer 2003-4-9 8992 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA496357  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3031 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  UCR199721  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  RSA90137  Ludwigia peploides subsp. peploides E. K. Balls, George B. Everett 1953-8-19 18528 Riverside Lake Fulmore, on road from Banning to Idyllwild. 1625 Comment
  UC130312  Lupinus H. M. Hall 1899-5-20 1376 Riverside Moreno Comment
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Mar 20 2011
  RSA161290  Lupinus arizonicus Peter H. Raven 1958-3-15 11841 Riverside Box Canyon. Comment
  RSA414833  Lupinus arizonicus E. C. Jaeger 1922-4-4 715 Riverside Chuckwalla Well 244 Comment
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May 29 2011
  UCD105832  Lupinus arizonicus John Wear 1995-3-23 s.n. Riverside Colorado Desert: Blythe. Comment
  UCR102943  Lupinus arizonicus George K. Helmkamp 1998-4-4 3139 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR240994  Lupinus arizonicus Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 51 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  SEINET10488536  Lupinus arizonicus David B. Dunn 1948-2-21 Dunn 3675 Riverside Seedling; Pushawalla Canyon; a rain about two weeks earlier in wash. Hills still quite dry. Comment
  CLARK-A1528-493  Lupinus bicolor C. M. Flanagan 1973-4-21 OO 322 Riverside Banning 1097 Comment
  RSA502924  Lupinus bicolor Ed LaRue 1989-4-7 s.ns Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  SD143897  Lupinus bicolor A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20687 Riverside San Jacinto Mountains, north side of the range, Twin Pines Creek below the confluence with Brown Creek, on gravel bars along the creek in full sun; Cabazon 7.5' quad.; UTM 10km cell:NH-1E, 4N. Vista Grande 854 Comment
  SEINET10577534  Lupinus bicolor subsp. marginatus Nye Leith, Greg Gust 2005-3-11 Nye 61 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  POM350056  Lupinus bicolor subsp. microphyllus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM350064  Lupinus bicolor subsp. microphyllus Bonnie C. Templeton, J. W. Clokey 1930-4-9 1055 Riverside Moreno Grade, S.W. of Beaumont 600 Comment
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Mar 20 2011
  RSA586863  Lupinus bicolor subsp. microphyllus D. L. Banks, S. D. Boyd 1995-5-3 0282 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  LA205079  Lupinus excubitus Elizabeth McClintock; 1938-5-18 sn Riverside San Jacinto Mountains Comment
  SEINET2062854 Image available Lupinus excubitus Howard S. Gentry 1954-7-27 14258 Riverside Dripping Springs along route 79 Comment
  RSA503924  Lupinus excubitus var. austromontanus N. C. Cooper 1944-5-20 1308 Riverside Palms to Pines Hwy, San Jacinto Mts. 1280 Comment
  RSA796518  Lupinus excubitus var. hallii Robert F. Thorne, E. W. Lathrop 1977-5-18 49728 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA78197  Lupinus formosus Philip A. Munz 1953-5-31 18519 Riverside Joshua Tree National Monument. 1357 Comment
  RSA342537  Lupinus hirsutissimus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54020 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  UCR133189  Lupinus hirsutissimus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UCR4134  Lupinus hirsutissimus Ronald M. Cope 1965-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Canyon on E side of Canyon Crest Drive, c. 2.5 mi. from fire prevention lab. 259 Comment
  POM123543  Lupinus hyacinthinus Philip A. Munz, I. M. Johnston 1924-7-27 8772 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  RSA91190  Lupinus hyacinthinus F. W. Peirson 1938-5-30 12412 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  SD136844  Lupinus latifolius var. parishii Steve Boyd 1992-4-15 6851 Riverside Santa Ana Mountains, San Mateo Canyon wilderness Area, Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  UCR17750  Lupinus microcarpus var. densiflorus O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  RSA620640  Lupinus sparsiflorus B. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3585 Riverside San Bernardino Mountains: Wildlands Conservancys Mission Creek Preserve. 762 Comment
  UCR244296  Lupinus sparsiflorus Jim Andre 2012-4-16 20876 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA572982  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1986-4-22 1733 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA701655  Lupinus sparsiflorus var. arizonicus Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA414403  Lupinus truncatus N. C. Cooper 1944-4-23 1095 Riverside Banning. 701 Comment
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Mar 13 2011
  RSA771625  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4999 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  UC1506125  Lupinus truncatus R. T. Clausen 1963-4-25 63071 Riverside on ridge s Red Mt. (upper Lewis Valley unit 98); ridge s of Red Mt., upper Lewis Valley unit 98 960 Comment
  UC665740  Lupinus truncatus Ira L. Wiggins 1941-3-27 9693 Riverside slopes 4 mi n Whitewater; n of Whitewater Comment
  UCR214127  Lupinus truncatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37734 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
  UCR96708  Lupinus truncatus A. C. Sanders 1997-3-1 19717 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA209594  Lycium andersonii S. W. Austin 1969-4-3 3 Riverside [Riverside] West slope of Box Springs Mountains, east of railroad tracks and north of ravine north of Big Springs Rd. 427 Comment
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Jun 24 2012
  RSA799075  Lycium andersonii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6871 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  JEPS45976  Lythrum californicum S. B. Parish 1897-5-31 4395 Riverside Elsinore Lake 396 Comment
  POM153406  Lythrum californicum P. A. Munz, I. M. Johnston 1928-9-12 11305 Riverside SE end of Elsinore Lake Comment
  UCR90620  Lythrum californicum Scott D. White 1995-6-29 3400 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UCR234801  Lythrum hyssopifolia Jeremiah George 2012-6-14 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  RSA356645  Lythrum hyssopifolia Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47309 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA362093  Machaeranthera asteroides var. asteroides Donald Myrick 1969-10-20 2127 Riverside Near Mt. San Jacinto College, San Jacinto. 488 Comment
  RSA543955  Madia gracilis Steve Boyd, Orlando Mistretta 1991-5-9 6186 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBride Canyons 549 Comment
  UCR261217  Malacothamnus densiflorus A. C. Sanders, Jeff Crain 2015-5-20 41741 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  RSA543907  Malacothrix clevelandii Steve Boyd, Orlando Mistretta 1991-5-22 6284 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA627852  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside Foothills NNE of Beaumont. 950 Comment
  CAS-BOT-BC347687  Malacothrix glabrata Javier Penalosa 1963-4-10 2776 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  RSA0013749  Malacothrix glabrata April Garbat, Sarah J. De Groot 2013-3-27 26 Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  UC565513  Malacothrix glabrata Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR37450  Malacothrix saxatilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  UCR94651  Malacothrix saxatilis var. tenuifolia Scott D. White 1996-5-27 4069 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  IRVC76  Malosma laurina Polly Brecht 1965-4-24 s.n. Riverside Upper San Juan Creek Camp, Ortega Highway. Santa Ana Mountains Comment
  RSA654621  Malva parviflora Lydia Paneri 1982-4-17 37 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  UCR25194  Malva parviflora John C. Roos, L. Roos 1951-5-5 5034 Riverside Fairmont Park. 274 Comment
  UCR59842  Malvella leprosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  RSA441210  Marah macrocarpa N. C. Cooper 1947-4-4 2026 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA543300  Marah macrocarpa Steve Boyd 1991-3-17 5511 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD129568  Marah macrocarpa Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road 365 Comment
  UCR188788  Marah macrocarpa Jim Andre 2006-4-26 7795 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom 1056 Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  SD224970  Marina parryi G. K. Helmkamp 1998-4-4 3154 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  UC159107  Marina parryi E. E. Schellenger 1911-2-21 Riverside Palen Mts. Colorado Desert Comment
  UCR216239  Matricaria discoidea Mike Bell 2008-4-27 012 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  CDA4189  Medicago lupulina Steve Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  POM78161  Medicago minima F. M. Reed 1922-5-18 4758 Riverside Mouth of Snow Canyon 366 Comment
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Jul 24 2010
  CSUSB1022  Medicago sativa Mark Eutenier 1973-5-30 730530 1 Riverside Intersection of Federick Street (Pidgeon Pass Road) and Sunnymead Blvd. Widespread on northwest corner. 731 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
  UCR92335  Melia azedarach Scott D. White, M. D. Wilcox 1995-7-13 3475 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA781201  Melica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37800 Riverside southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg ) of intersection of I-15 and Lake St. 526 Comment
  UCR140893  Melica frutescens Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCR93253  Melica frutescens D. L. Banks, Steve Boyd 1995-5-3 0273 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
  JOTR35203  Melica imperfecta Harding, Mitzi, Tasya Herskovitz 2011-4-28 180 Riverside Joshua Tree National Park. Lost Horse Mountains; near Lost Horse Mine trailhead; small rocky gully adjacent to trail 1414 Comment
  RSA249842  Melica imperfecta R. F. Thorne, J. P. Simon, CW Tilforth 1969-6-24 38107 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  RSA36247  Melica imperfecta Frank W. Gould 1943-4-17 2132 Riverside 4 miles east of Elsinore Comment
  SEINET7073348  Melica imperfecta 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
  UC38844  Melica imperfecta H. M. Hall May 1899 1134 a Riverside s side San Jacinto Mountains 1371 Comment
  UCR104594  Melica imperfecta G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  UCR164285  Melica imperfecta S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR20447  Melica imperfecta E. W. Lathrop 1966-4-13 6171 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  CSUSB1115  Melilotus indicus Dick Bernier 1966-3-29 Riverside along infield of UCR campus track in city of Riverside 304 Comment
  RSA627519  Mentha Scott D. White 1998-7-31 6935 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA740787  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA543849  Mentha spicata Steve Boyd, Orlando Mistretta 1991-5-22 6315 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  POM10382  Mentzelia affinis Charlotte M. Wilder 1906-05 7 Riverside Salt Lake fill [Salt Lake RR Bridge over Santa Ana River, Riverside] Comment
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Sep 4 2011
  JOTR30971  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SEINET3005060  Mentzelia albicaulis G. Rink 2011-4-29 10498 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  SEINET186303  Mentzelia involucrata Philip A. Munz 1940-3-24 15694 Riverside 3 miles southof Cottonwood Springs, Eagle Mts., 457 Comment
  UC1595705  Mentzelia involucrata W. Wisura, J. Dolan, M. Wall 1992-3-24 4624 Riverside 7.7 mi ne Mecca (on Box Canyon Rd.) Comment
  UCR175179  Mentzelia involucrata Jim Andre 2006-4-26 6760 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  RSA124412  Mentzelia involucrata var. megalantha Percy C. Everett, E. K. Balls 1958-4-29 20316 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City. 549 Comment
  RSA503389  Mentzelia involucrata var. megalantha Gary D. Wallace 1966-3-4 70 Riverside Along Dillon Rd. S slopes of the Little San Bernardino Mtns. 122 Comment
  RSA592004  Mentzelia laevicaulis Frederick W. Oettinger 1968-10-23 819 Riverside San Bernardino Mts, Whitewater Canyon, 10milesNNW of Palm Springs, Comment
  UCR47284  Mentzelia laevicaulis B. G. Pitzer, H. P. Hall, J. L. Hall 1987-5-23 0570 Riverside San Bernardino Mtns., Whitewater Canyon, c. 0.25-0.50 mi north of Trout Farm, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. 732 Comment
  UCR92259  Mentzelia laevicaulis Scott D. White 1995-8-23 3573 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR163075  Mentzelia longiloba var. longiloba B. G. Pitzer, G. R. Ballmer 2000-10-14 4231 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  RSA507948  Mentzelia montana Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2266 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  JOTR33956  Mentzelia veatchiana La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2842 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  SDSU8093  Mentzelia veatchiana H. Wedberg 1962-4-20 914 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  UCR201624  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA543587  Micropus californicus Steve Boyd, Laurel Arnseth, Orlando Mistretta 1991-5-6 6139 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR211732  Microseris douglasii subsp. douglasii Fred M. Roberts, R. E. Riefner Jr., D. E. Bramlet 2005-4-22 6174 Riverside Perris Basin, Winchester Valley, corner of Patterson and Patton Roads 448 Comment
  UCR189587  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-23 102 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  UCR259199  Microseris heterocarpa Mitch Provance, Jeremiah George 2012-4-24 412- 10 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  RSA340771  Microseris lindleyi H. J. Thompson 1953-5-25 1556 Riverside Vandeventer Flat on Hwy 74 (Palms to Pines Hwy, San Jacinto Mts Comment
  UCR156373  Microseris lindleyi T. B. Salvato, Kent Beaman 2005-5-16 875 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
  UCR20707  Microseris lindleyi A. C. Sanders, Steve Boyd 1980-5-2 1434 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR98078  Microseris lindleyi A. C. Sanders, G. Helmkamp 1997-3-15 19951 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UCR140565  Mimulus aurantiacus var. pubescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 9- 72 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  UCR81103  Mimulus aurantiacus var. pubescens Scott D. White 1993-5-29 1438 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR35234  Mimulus aurantiacus var. puniceus L. B. Ziegler 1969-4-25 347 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  JEPS86844  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 mi ese I-10 interchange at Desert Center (along dirt road parallel to I-10 on s side, not far beyond (+/- e of) the Desert Center Pumping Station) 270 Comment
  RSA420963  Mimulus bigelovii var. bigelovii Anstruther Davidson 1903-5-1 1178 Riverside Working Canyon Comment
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May 28 2010
  RSA47935  Mimulus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  RSA701500  Mimulus brevipes M. Wall, Susan Jett, Perez, Garcia 1994-6-1 53 Riverside S of Hemet 1.75 mi W of Benjie Lane off Hwy R-3. Comment
  RSA736296  Mimulus brevipes Scott D. White, Justin M. Wood 2008-5-27 12035 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SEINET3208895  Mimulus brevipes G. Goodwin 2012-6-14 3450 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UCR100156  Mimulus brevipes Scott D. White 1994-4-23 2042 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
  UCR127360  Mimulus brevipes A. C. Sanders, D. Malueg 2003-5-8 26565 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR202240  Mimulus brevipes Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCSC000863  Mimulus brevipes Peter Kamb 1947-6-7 565 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA296178  Mimulus cardinalis Barry A. Prigge 1980-8-5 3816 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  CLARK-A1045-283  Mimulus diffusus George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along road; yellow pine forest just west of North Fork of the San Jacinto River; Lake Fulmor 7.5'Q Comment
  RSA606285  Mimulus diffusus Jon E. Keeley 1994-4-22 25326 Riverside Shipley Reserve 670 Comment
  UCR154378  Mimulus floribundus A. C. Sanders, Mike Misenhelter 2005-6-15 30956 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
  RSA0048276  Mimulus fremontii Lee Haines 1935-6-30 s.n. Riverside Poppets Valley. Comment
  UC1374912  Mimulus fremontii var. fremontii Noel H. Holmgren, Liew Fah Seong 1969-6-17 3580 Riverside 8.5 mi n Idyllwild (County Road R1, at Black Mountain turnoff); San Jacinto Mountains Comment
  RSA701359  Mimulus guttatus Steve Boyd, Aydee Virgen 2004-4-13 10872 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA772533  Mimulus guttatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4481 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
  UCR42547  Mimulus guttatus B. G. Pitzer 1986-4-26 191 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCR110973  Mimulus parishii George K. Helmkamp 1998-6-27 4100 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA544419  Mimulus pilosus Steve Boyd, Tim S. Ross 1991-6-14 6387 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA0018998  Mimulus suksdorfii Steve Boyd, Gary D. Wallace 2005-7-30 11638 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
  UCR226999  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  CLARK-A1528-636  Mirabilis californica C. M. Flanagan 1973-4-14 OO 106 Riverside Sunnymead 609 Comment
  UCR90747  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  CLARK-A1656-640  Mirabilis froebelii Lois Ann Scott 1978-5-6 Riverside San Jacinto Mountains 1219 Comment
  RSA0107846  Mirabilis laevis var. crassifolia Duncan S. Bell, Amanda Turek 2009-3-30 170 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  RSA0123999  Mirabilis laevis var. crassifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9251 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  CAS-BOT-BC434836  Mirabilis laevis var. retrorsa Milo S. Baker 1928-4-3 3707 b Riverside Palm Canon [Canyon] Comment
  POM14052  Mirabilis laevis var. retrorsa P. A. Munz, D. D. Keck 1922-4-14 5008 Riverside East of Whitwater Ranch 213 Comment
  UC218035  Mirabilis laevis var. retrorsa P. A. Munz and D. Keck 1922-4-9 4754 Riverside Shavers Well, near Mecca 76 Comment
  UC279685  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-2-28 Riverside hills near Salt Creek Wash Comment
  UCR3840  Mirabilis multiflora var. pubescens John Minnich 1964-6-11 64-6-11- 2 Riverside San Jacinto Mtns, Hwy 74, desert side of mountains [Pinyon Flats area] 1220 Comment
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  CLARK-A1528-5739  Mohavea confertiflora John C. Roos 1949-3-5 4096 Riverside Orocopia Mountains Comment
  HSC82911  Mohavea confertiflora Christopher Davidson 1979-4-4 7734 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  JEPS9988  Mohavea confertiflora E. E. Schellenger May 1920 Riverside e of Coachella (Colorado Desert); Colorado Desert Comment
  POM98710  Mohavea confertiflora Philip A. Munz 1926-1-31 9961 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA0024813  Mohavea confertiflora Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4463 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA408770  Mohavea confertiflora Robert Gustafson 1983-3-27 2479 Riverside Dry rocky canyon southwest of Lake Cahuilla. Comment
  SD146148  Mohavea confertiflora Andy C. Sanders 2000-4-25 23352 Riverside Coachella Valley: east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 14 Comment
  UC1995305  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UC2035979  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 Riverside Jurupa Hills Comment
  UCR193864  Monardella breweri subsp. lanceolata A. C. Sanders, Mitch Provance 2008-7-11 35817 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  POM187414  Monardella lanceolata var. lanceolata L. Crutcher 1933-8-1 8 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  RSA0104487  Monardella linoides subsp. linoides Duncan S. Bell 2015-9-30 8668 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  LA57196  Monardella nana Philip A. Munz; 1937-5-31 15114 Riverside at Anza tablet, head of Coyote Canyon, S.W. of Riverside county Comment
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Mar 11 2014
  LA82993  Monardella nana Harlan Lewis; 1938-7-10 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA750396  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 26 Riverside 1 mile above canyon and stream, on Santa Rosa Mt. road. Comment
  RSA750419  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-5-31 52 Riverside 5.75 miles from the Anza Monument turn off. Comment
  RSA83427  Monardella nana subsp. tenuiflora F. W. Peirson 1924-7-27 4990 Riverside San Jacinto Mountains: Dark Canyon. 2226 Comment
  UC1499867  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Fuller Mill Creek Camp Banning-Idyllwild road Comment
  UCR35334  Monardella nana subsp. tenuiflora Geraldine Regur 1978-7-14 593 Riverside San Jacinto Mtns, Flats in the Strawberry Valley above Idyllwild. 1707 Comment
  SEINET10862272  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 48 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  RSA689491  Monardella robisonii A. C. Sanders, Mark A. 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 1341 Comment
  CAS-BOT-BC349785  Monoptilon bellioides N. Aitkenhead 1977-2-3 2125 Riverside Moniobra Valley N. of Orocopia Mnts Comment
  JEPS31419  Monoptilon bellioides Dr. L. M. Newlon 1922-4-4 444 Riverside about 5 mi s Palm Springs; Andreas Canyon Comment
  JEPS31451  Monoptilon bellioides W. L. Jepson 1926-4-11 11632 Riverside near Palm Springs Sta.; Conchilla Desert Comment
  RSA450538  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
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Feb 23 2010
  RSA778246  Monoptilon bellioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 932 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UC1069982  Monoptilon bellioides H. S. Yates 1937-3-24 6455 Riverside Deep Canyon Thermal Quadrangle Comment
  UCR251667  Monoptilon bellioides Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 764 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA0012062  Muhlenbergia filiformis Steve Boyd, Gary D. Wallace 2005-7-30 11655 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
  UCD86836  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  POM9051  Muhlenbergia microsperma P. A. Munz, Harwood 1920-2-28 3238 Riverside 2 mi. southeast of Corona 274 Comment
  CAS-BOT-BC274911  Muhlenbergia rigens W. R. Dudley 1903-12-25 s.n. Riverside Mouth of Tahquitz Creek near Palm Springs Comment
  UCD87002  Muhlenbergia rigens A. A. Beetle 1944-4-27 3004 Riverside West of Murietta. Comment
  UCR2566  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mtns., Herkey Creek camp 1341 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
  UCR31280  Muilla maritima A. C. Sanders, Theo Glenn 1983-4-17 3731 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  RSA356987  Myosurus minimus subsp. apus Robert F. Thorne 1973-5-23 43866 Riverside Santa Rosa Plateau-Mesa De Colorado. 610 Comment
  SD122170  Myriopteris newberryi James C. Dice, Tu Chung 1987-10-19 738 B Riverside Head of shallow side canyon, N Side of Temecula Gorge, Santa Margarita River, ca.4 km ENE of Field Station site and ENE of weather station 330 Comment
  CLARK-A1528-5488  Nama stenocarpa John C. Roos 1951-10-19 5327 Riverside San Jacinto Valley 457 Comment
  RSA613417  Nassella cernua D. L. Banks 1997-4-5 1674 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area., South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA557878  Nassella lepida Steve Boyd, Orlando Mistretta 1992-4-23 7052 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
  SBBG103909  Nassella pulchra S. D. White 1993-4-20 1211 Riverside Estelle Peak, Gavilan Hills 822 Comment
  UCR280982  Navarretia atractyloides Mitch Provance 2017-5-25 517- 68 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  RSA464360  Nemacaulis denudata var. gracilis Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA800111  Nemacaulis denudata var. gracilis Duncan S. Bell 2013-4-7 4763 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4.1 air miles south of the ghost town of Rice or approximately 3.3 air miles east northeast of Priests Well. 207 Comment
  UCR31668  Nemacladus glanduliferus John C. Roos 1948-5-15 3851 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  SEINET3812582 Image available Nemacladus glanduliferus var. glanduliferus Robert F. Thorne, W. Wisura; A. Shmida; R. Whittatker 1978-4-23 52037 Riverside San Jacinto Mtns: Chino Canyon, Palms to Pines highway Comment
  UC102222  Nemacladus longiflorus var. longiflorus Katharine Brandegee 1905-5-12 Riverside near Riverside (Wilder's) Comment
  UCR35132  Nemacladus longiflorus var. longiflorus L. B. Ziegler 1967-6-21 163 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  JEPS5403  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 A Riverside San Jacinto River Comment
  RSA583742  Nemacladus pinnatifidus Steve Boyd 1995-4-24 8489 Riverside Palomar Range, eastern edge of the Agua Tibia Wilderness Area, west of Devil's Hole, along the Wildhorse Trail at a saddle near the corner of section 35. 701 Comment
  UCR77701  Nemacladus pinnatifidus Steve Boyd, Orlando Mistretta 1991-5-22 6310 A Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  JOTR36116  Nemacladus rubescens La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam 2008-4-1 3046 Riverside Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary 895 Comment
  SEINET10461078  Nemacladus rubescens Ripley 1941-4-7 RIPLEY 3204 Riverside 10 miles north of Cottonwood Springs 747 Comment
  UC24227  Nemophila menziesii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCSB12634  Nemophila menziesii Whittington, M. 1962-3-17 Riverside Southwest of U.S. Highway 71; about 300 feet; by the Alberhill brickyard in Alberhill Comment
  RSA359870  Nemophila menziesii Steve Boyd 1986-4-2 1610 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC26147  Nicotiana attenuata H. M. Hall 1901-6-24 Riverside w side San Jacinto Mts. (Fuller's Mill) 1767 Comment
  UCR251977  Nicotiana attenuata A. C. Sanders, T. B. Salvato 2014-7-2 41178 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UC218059  Nicotiana clevelandii P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4851 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  CHSC1925  Nicotiana glauca V. Holt 1942-3-29 Riverside Santa Rosa mountains. Comment
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Mar 23 2014
  UCR97268  Nicotiana glauca Scott D. White 1995-4-5 2762 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  HSC82909  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7737 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA264605  Nicotiana obtusifolia C. R. Orcutt 1889-04 1464 Riverside Colorado Desert. Comment
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Sep 7 2011
  RSA426710  Nicotiana obtusifolia Robert Gustafson 1981-4-7 2153 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA0018753  Nicotiana obtusifolia Viki Cruz 1983-5-8 17 Riverside On the banks of the stream one-quarter mile into Magnesia Canyon, Santa Rosa Mts. Comment
  SEINET2047162 Image available Nicotiana quadrivalvis Howard Scott Gentry 1948-5-29 8171 Riverside Galvin Hills, roadside. Comment
  SEINET10389838  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  JOTR29586  Nolina parryi Andre, Jim 2006-4-26 6779 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UC336517  Notholaena californica unknown May 1880 Riverside San Jacinto Mountains Comment
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Mar 12 2011
  UCD124112  Nuttallanthus texanus Maureen H. Pendleton 1988-2-15 s.n. Riverside Ca. 2 miles northwest of Alberhill on the East side of Horsetheif Canyon wash. 381 Comment
  UCR164894  Oenothera californica S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon, Bautista Road, near Tripp Flats Road 1159 Comment
  UC20447  Oenothera californica subsp. californica H. M. Hall June 1901 2143 Riverside along borders of Colorado Desert eastern base of San Jacinto Mountains Comment
  UC604974  Oenothera californica subsp. californica Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9666 Riverside between Riverside and Ontario Comment
  RSA0048795  Oenothera deltoides subsp. deltoides Jim Andre 2013-3-27 24807 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  UC20555  Oenothera deltoides subsp. deltoides S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  UC20577  Oenothera deltoides subsp. deltoides Wright 1889-3 Riverside Colorado Desert Comment
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Jan 26 2011
  UCR114165  Oenothera primiveris B. G. Pitzer, J. Ross 1998-3-8 3617 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA680920  Oligomeris linifolia Scott D. White, Michael Honer 2003-5-14 9273 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC69147  Oligomeris linifolia H. M. Hall June, 1905 6238 Riverside vicinity Riverside (Gavilan Hills); Gavilan Hills 365 Comment
  POM96634  Oligomeris linifolia F. M. Reed 1926-3-4 5165 Riverside Near Thermal Comment
  RSA698037  Olneya tesota J. R. Bruff 1928-12-29 403 Riverside Lone Cottonwood Ranch 2 mi. SE of Dos Palms. Comment
  SD239616  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 61 Riverside French Valley, immediately NE of Hwy 79 and the intersection with Algarve Ave. 415 Comment
  UCR241807  Oncosiphon piluliferum A. C. Sanders, Dave King 2013-4-11 40791 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  RSA0097795  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-6-25 18362 Riverside The Badlands, 550m south of San Timoteo Wash, 33 km ENE of Riverside, hillside of fine gray-brown silt with gravel and rocks. 637 Comment
  SEINET2045128 Image available Opuntia X vaseyi Rosemary Trelease 1999-4-5 Riverside Maricopa County: Grown in cultivation at Desert Botanical Garden, Phoenix, N 33 deg 27' 33'', W 111 deg 56' 35'', 1200 ft., 366 m: accession number 1987 0049 0201; originally received as a cutting collected by Bruce Parfitt 3503, 19 April 1986, with Rita Anthony and Andy Sanders from California, Riverside County, Puaba Valley, Highway 79 crossing of Tecucula River (or creek), 4.6 mmiles east of junction with road to Pala; Collector's notes: altitude 1000 ft, 300 m; habitat sage scrub hillside east of creek and shouth of highway; spiny and spineless pads on same plant. Comment
  CAS-BOT-BC58051  Opuntia basilaris var. basilaris Anne Harrison 1962-4-17 28 Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM281247  Opuntia basilaris var. basilaris H. G. Rush 1951-6-3 201 Riverside Colorado Desert; 13 miles north of Blythe on Hwy 95. 84 Comment
  RSA592684  Opuntia chlorotica Scott D. White, Duayne Haselfeld 1996-7-2 4268 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SBBG87953  Opuntia polyacantha var. erinacea A. C. Sanders 1984-4-21 5019 Riverside Pinyon Flat S of Hwy 74 and W of the dolomite mine Comment
  CAS-BOT-BC56222  Opuntia polyacantha var. erinacea Carl B. Wolf 1938-6-11 9419 Riverside Field redacted by CAS, contact the data manager for more information 1066 Comment
  RSA5552  Opuntia ramosissima B. D. Stark 1932-6-15 3736 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  RSA22791  Opuntia vaseyi C. B. Wolf 1938-6-11 9421 Riverside Santa Rosa Mountains, 3.5 miles East of Anza, on road to Palms to Pines Hwy. 1220 Comment
  RSA544429  Orcuttia californica Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6335 Riverside Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of second San Diego aqueduct. Comment
  UC68719  Orobanche cooperi H. M. Hall 1905-5-1 5991 Riverside Colorado Desert near Indio; Colorado Desert 30 Comment
  CAS-BOT-BC502861  Orobanche cooperi subsp. cooperi Alice Eastwood 1913-4-30 3108 Riverside Palm Canyon Road, Palm Springs (label is printed San Bernardino County Comment
  SDSU4804  Osmadenia tenella H. Wedberg 1994-5-23 936 Riverside 4.8 miles from Hwy. 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC1333287  Osmadenia tenella Charles B. Fiker 1946-6-17 3591 Riverside San Mateo Canyon Comment
  UCR23258  Osmorhiza chilensis J. C. Lyman 1981-5-29 s.n. Riverside Peninsular Range; San Jacinto Mtns., Desert Sun School, Idyllwild 1677 Comment
  UCR79208  Oxalis californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  POM278946  Oxalis corniculata Lyman Benson 1932-3-26 3184 Riverside Summit Temecula Grade. 610 Comment
  RSA126711  Oxytheca caryophylloides Peter H. Raven, R. Snow 1957-7-26 11091 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  CAS-BOT-BC413309  Oxytheca perfoliata J. Von Loh 1978-7-11 3375 Riverside Edwards AFB Comment
  POM12807  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat. 1707 Comment
  OBI8361  Paeonia californica David J. Keil, Malcolm McLeod 1977-3-26 12022 -2 Riverside 9 mi E of jctn with I-15 along Calif 79 518 Comment
  SEINET2165972 Image available Paeonia californica Janet McIntosh 1966-4-8 7 Riverside Santa Ana Mtns.; East slope of the Elsinore Range, near El Cariso Guard Station. 910 Comment
  UCR176269  Paeonia californica Teresa Nieto 2005-4-14 04 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
  CAS-BOT-BC327890  Palafoxia arida Carl B. Wolf 1932-5-25 3684 Riverside San Gorgonia Wash, on road to Snow Creek Canyon 365 Comment
  RSA747720  Palafoxia arida Justin M. Wood 2009-3-26 403 Riverside Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  SEINET3148310  Palafoxia arida G. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert at Palm Springs Comment
  POM301788  Palafoxia arida var. arida J. Cole 1942-06 973 Riverside Ruby Lee Mill Site, Joshua Tree National Monument. 915 Comment
  RSA27508  Palafoxia arida var. arida I. L. Wiggins 1941-3-24 9573 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UC839988  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6838 Riverside e Shafer Wells; Colorado Desert Comment
  UCD134886  Palafoxia arida var. arida Geoffrey Levin 1976-10-17 1186 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  UCSB9697  Palafoxia arida var. arida Leeuwen, Henry 1957-4-13 Riverside On shoulder of Cal. Hwy. 195 about 10 miles west of U.S. 60 Comment
  RSA69872  Panicum capillare J. C. Roos 1951-9-25 5255 Riverside Fairmount Park 259 Comment
  CAS-BOT-BC274187  Pappostipa speciosa H. M. Hall 1899-5-1 1177 b Riverside El Toro Mt. Comment
  CLARK-A1045-123  Parietaria floridana George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  CHSC109711  Parietaria hespera Steve Boyd; A. Maurice, P. Lubinsky, L. Lubinsky 2003-4-17 10475 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Area burned in 2001. Comment
  UCR279565  Parietaria hespera A. C. Sanders, Jim Malusa 2017-3-29 43172 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  POM183986  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  RSA668494  Parietaria hespera var. hespera S. Granger 1979-2-13 s.n. Riverside Chuckawalla Mountains. Comment
  SFV21858  Parkinsonia aculeata J. R. Pucci 2001-5-6 24 Riverside San Jacinto Mountains Chino Canyon. Along south side of Tramway Road, about 1.5 miles west of Highway 111. 365 Comment
  RSA509447  Paspalum dilatatum L. F. LaPre 1988-7-22 s.n. Riverside Santa Rosa Springs Ranch; Santa Rosa Plateau, W of town of Murrieta 549 Comment
  UCD88694  Paspalum notatum Leslie L. Ede 1972-8-1 s.n. Riverside Blythe. Comment
  SEINET6196074  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-1 119 Riverside Colorado Desert; Northeastern Colorado Desert region:Ford Dry Lake Area' Pallen Dunes Road. 110 exit 217. Chuckwalla Valley. (Hopkins Well: T6S R20E S31) 109 Comment
  JEPS34819  Pectis papposa var. papposa W. L. Jepson Oct 22 1912-Nov 7 1912 5267 Riverside Palo Verde Valley 45 Comment
  UCR263486  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41454 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SD127609  Pectocarya heterocarpa David Charlton 1988-2-18 1147 Riverside Alluvial fan, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park,1 mile east of junction Dillon Road and Fargo Canyon Rd 609 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
  UC1007206  Pectocarya heterocarpa Philip A. Munz 1940-3-23 15725 Riverside n end Pinto Basin; Mojave Desert 914 Comment
  UCR112950  Pectocarya linearis B. G. Pitzer 1998-3-1 3555 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR232075  Pectocarya linearis John F. Green 2008-4-24 16- 01 Riverside Peninsular Range; SE Gavilan Hills, Lake Elsinore, west of Hwy 74 453 Comment
  UCR25941  Pectocarya linearis John C. Roos 1952-2-29 5371 Riverside Reche Canyon 457 Comment
  SDSU18357  Pectocarya linearis subsp. ferocula C. Matt Guilliams 2008-2-21 474 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR282315  Pectocarya linearis subsp. ferocula Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 863 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR137690  Pectocarya linearis var. ferocula D. L. Banks, V. W. Steinmann 1997-3-13 1470 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  SEINET272156  Pectocarya penicillata A. C. Sanders 1997-3-1 19754 Riverside Box springs Mountains: E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch E of Hidden Springs Rd. intersecti 579 Comment
  UC25016  Pectocarya penicillata H. M. Hall June, 1901 2181 Riverside San Jacinto Mountains, Thomas Valley 1371 Comment
  RSA775800  Pectocarya platycarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 988 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR214557  Pectocarya platycarpa A. C. Sanders 2010-3-15 37420 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  JOTR28813  Pectocarya recurvata La Doux, Tasha 2005-2-7 1081 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  RSA49357  Pectocarya recurvata P. A. Munz 1949-4-11 13009 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  SEINET2042515 Image available Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, N side of 19th Ave.; 0.5 mi (airline) NW of intersection of I-10 and Indian Ave. T3S R4E S15, center 235 Comment
  SEINET3084040 Image available Pectocarya recurvata Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  POM281157  Pedicularis densiflora Ethel Rush 1951-4-12 170 Riverside 1 mi. south of Aguaga, Hyway 79. Agua Tibia Mts. Loam soil. Lake Henshaw drainage, loam soil. west slope. Comment
  UCR97288  Pedicularis densiflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3944 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  UCR271718  Pelargonium grossularioides A. C. Sanders 2016-6-26 42518 Riverside Peninsular Range, Riverside, UCR Botanic Garden, at west edge of the herb garden 363 Comment
  RSA698463  Pellaea mucronata J. Vlahos s.n. Riverside Dry rock hillside near Elsinore. Comment
  SD138476  Pellaea mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mountain area 787 Comment
  UCR162271  Pellaea mucronata S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  POM145482  Pellaea mucronata var. mucronata Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  SEINET4691941  Pennisetum setaceum Duncan S. Bell, John Anderson & Keir Morse 2012-1 4380 Riverside Colorado Desert; Chocolate-Chukwalla mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approx 0.6 air miles southeast of hidden spring and 0.6 air mile south of the Grotto 250 Comment
  UCR245888  Pennisetum setaceum R. F. Thorne 1995-3-29 63028 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA0006178  Penstemon californicus Philip A. Munz, J. M. Johnston 1922-5-21 5445 Riverside San Jacinto Mts., Kenworthy, Hemet Valley; 2 miles NW of Kenworthy. 1372 Comment
  NY583812  Penstemon centranthifolius F. W. Pennell 1940-4-28 25289 Riverside Route 74; below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  CAS-BOT-BC265285  Penstemon clevelandii subsp. connatus Peter H. Raven 1958-5-6 12925 Riverside Along State Highway 74, 15.6 miles SW of Palm Desert Comment
  RSA78133  Penstemon clevelandii subsp. connatus Verne Grant, Grant 1953-5-15 18459 Riverside A couple of miles east of Pinyon Flat Public Camp, along Hwy 74 1159 Comment
  NY583964  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25288 Riverside Route 74, below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  SD134368  Penstemon clevelandii var. connatus Craig Reiser 1991-5-27 Riverside Palms to Pines Highway near Santa Rosa Peak turnoff Comment
  SD178241  Penstemon clevelandii var. connatus Mitch Provance, Kerry Knudsen and Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains; ca. 0.5 mile south on Santa Rosa Mountain Road from Highway 74. 1402 Comment
  UC1018436  Penstemon clevelandii var. connatus Jim Warren 1952-4-26 Riverside Snow Creek Comment
  JEPS11570  Penstemon clevelandii var. mohavensis J. B. Feudge 1926-5-9 1584 Riverside Keyes Ranch Conchilla Mountains, Little San Bernardino Mts. 1219 Comment
  POM7597  Pentachaeta aurea P. A. Munz, R. D. Harwood 1920-4-20 3755 Riverside Elsinore 366 Comment
  RSA741210  Pentachaeta aurea Scott D. White, Justin M. Wood 2008-5-15 11987 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC42775  Pentagramma maxonii Vasey Jr. Feb. 1881 10 Riverside Whitewater Comment
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Jan 16 2010
  RSA0066309  Pentagramma triangularis P. A. Munz 1922-4-29 5116 a Riverside 5 miles west of Aguanga. Comment
  CAS-BOT-BC71579  Pentagramma triangularis subsp. maxonii Larry Kiefer 1963-3-24 483 Riverside Andreas Canyon 365 Comment
  SEINET3154048  Pentagramma triangularis subsp. maxonii S. B. Parish 1907-4-18 6114 Riverside Western base of the Colorado Desert 200 Comment
  UCR22083  Pentagramma triangularis subsp. maxonii Steve Boyd 1980-5-3 189 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SEINET7048162  Pentagramma triangularis subsp. maxonii Steven R. Hill 2001-5-3 33664 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA786140  Pentagramma triangularis subsp. triangularis C. P. Cowan 1978-4-25 1285 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  RSA0070738  Pentagramma viscosa Scott D. White, Teresa Salvato 2001-6-8 8591 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR227004  Peritoma arborea Jim Andre 2011-2-2 16235 Riverside Coachella Valley, mouth of Big Morongo 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-10 487 Comment
  CAS-BOT-BC77482  Peritoma arborea var. angustata Philip A. Munz 1949-4-13 13042 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert 1097 Comment
  CAS-BOT-BC355989  Perityle emoryi S. B. Parish 1906-4-1 4147 Riverside Palm Springs, Colorado Desert Comment
  RSA0026197  Perityle emoryi J. Andre 2013-3-4 23875 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  RSA690985  Perityle emoryi Scott D. White, Michael Honer 2003-5-14 9303 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR101572  Perityle emoryi Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR196364  Perityle emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1360 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR269872  Perityle emoryi A. C. Sanders, Jim Malusa 2016-3-18 42364 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  LA212315  Perityle emoryi A. L. H.; 1973-3-25 s.n. Riverside OROCOPIA MOUNTAINS, 472 Comment
  LA103809  Petalonyx thurberi subsp. thurberi Robert F. Thorne; W. A. Tilforth 1980-5-28 54191 Riverside San Bernardino Mountains, Whitewater ridge above old bridge Comment
  LA49847  Petalonyx thurberi subsp. thurberi Norman C. Cooper; 1944-5-20 2631 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  SEINET10941524  Peucephyllum schottii David B. Dunn, A. Folsom 1948-6-17 Dunn 3813 Riverside Near quad three. At camp in Pushawalla; canyon under palms. Comment
  RSA783082  Phacelia J. D. Olmsted 1959-7-1 701 Riverside Drainage area to Tahquitz Creek. Wellman s Cienega along trail to top of San Jacinto Peak NE of Idyllwild. 2805 Comment
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Oct 18 2012
  JOTR32956  Phacelia affinis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2706 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  RSA124330  Phacelia ambigua Percy C. Everett, E. K. Balls 1958-4-29 23011 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA0003811  Phacelia californica var. jacintensis E. C. Jaeger 1922-7-1 1045 Riverside Tahquitz Valley, San Jacinto Mts. Comment
  RSA27807  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  SDSU18727  Phacelia cicutaria var. hispida C. Matt Guilliams, Jeannine Ross 2008-3-12 523 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCR213444  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37832 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR90750  Phacelia cicutaria var. hispida Scott D. White 1995-4-5 2750 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  SEINET5584423  Phacelia crenulata Stephen Hale 2010-1 Riverside Along powerline, adjacent to State Route 95 120 Comment
  RSA777392  Phacelia crenulata var. ambigua Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 792 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC963830  Phacelia crenulata var. ambigua H. K. Sharsmith 1952-4-8 4048 Riverside western edge of Pinto Basin Mojave Desert, Joshua Tree National Monument, Hexie Mountain 762 Comment
  UCR25799  Phacelia crenulata var. ambigua John C. Roos, Lucille Roos 1949-4-6 4140 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  SD215567  Phacelia crenulata var. minutiflora W. Wisura, J. Dolan and M. Wall 1992-3-25 4647 Riverside Ford Dry Lake, north of I-10 at Hopkins Well. Comment
  JOTR31174  Phacelia distans La Doux, Tasha 2009-6-3 1867 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  RSA23173  Phacelia distans I. L. Wiggins 1938-3-25 8927 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  UCR215613  Phacelia distans Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 09 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  SD255773  Phacelia imbricata Mitch Provance 2012-5-24 512 06 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near bordeer with Beaumont, NE of the intersection of Highland Springs Ave. and Silson St. 868 Comment
  JEPS1111  Phacelia imbricata subsp. patula Carl V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  UCR26513  Phacelia imbricata subsp. patula A. C. Sanders, S. Hagopian 1981-5-20 2163 Riverside Peninsular Range, E side of Wolf Valley, SE of Temecula 335 Comment
  RSA314662  Phacelia minor Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55484 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA699774  Phacelia minor Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UC24494  Phacelia minor H. M. Hall June 1901 2280 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1600 Comment
  UCR162879  Phacelia minor T. B. Salvato, Kelly Volansky 2003-3-27 123 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR174314  Phacelia minor A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32556 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
  UCR172769  Phacelia ramosissima Abby Sirulnik 2000-5-7 34 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. from Interstate 10 1098 Comment
  UC107413  Phacelia ramosissima var. montereyensis C. C. Parry 1880-1 180 Riverside Temecula Comment
  UCR1457  Phacelia ramosissima var. suffrutescens R. D. Keys 1973-5-13 s.n. Riverside Box Springs Mtns, 0.5 - 1 mi from end of Box Springs Ridge Road. 915 Comment
  OBI37519  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Santa rosa Plateau Region. Tenaja Rd, 3.3 mi E of jctn with 8S01 &8S02 Comment
  LA9200  Phalaris minor F. M. Reed; 1905-5-7 740 Riverside Box Spring Mts, Summit of Pigeon Pan Comment
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Feb 23 2014
  UCR126938  Phalaris minor Julie A. Greene 1993-5-12 1304 Riverside Perris-Aguanga Basin region, South of gated West-East road, east of Davis Rd. 433 Comment
  UCR199941  Phalaris minor Scott D. White, Justin Wood 2008-5-13 11955 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  UCR33708  Phalaris minor Faulkner 1978-4-27 508 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  UCR174148  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32569 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR35504  Phaseolus acutifolius Giles Waines, J. Mosjidis 1981-11-1 s.n. Riverside Grown at University of California Riverside Comment
  UCR35058  Phlox gracilis L. B. Ziegler 1968-4-12 274 Riverside San Jacinto Mtns., Hemet Valley at Quinn Flats 1372 Comment
  UCR17031  Pholisma arenarium Anonymous 1969-5-25 5 Riverside Southern Mojave Desert, 8 mi from entrance of Joshua Tree Natl. Monument on road from town of Joshua Tree, sandy wash 2.5 mi north of the road 1250 Comment
  SEINET10743458  Pholisma arenarium Charles L. Hitchcock, C. V. Muhlick 1964-3-22 Hitchcock 23269 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  RSA713978  Phoradendron californicum A. C. Sanders, J. Andre, P. J. MacKay, Tim Thomas 2005-2-26 29129 Riverside Sonoran (Colorado) Desert: SE of Hwy 117 towards dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UC1971180  Phoradendron californicum Louis C. Wheeler 1964-10-17 8641 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UCR96817  Phoradendron californicum Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  UCSB1315  Phoradendron californicum Sturdy, C. 1957-4-21 Riverside 10 mi East of Coachella on route 60 60 Comment
  RSA420752  Phoradendron densum Gary D. Wallace 1964-4-26 s.n. Riverside Pinon Flats. Palms Hwy. 1220 Comment
  UCR58849  Phoradendron macrophyllum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3218 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  RSA296146  Phoradendron villosum Barry A. Prigge 1980-8-18 3973 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  UC51622  Phragmites australis Jos. Burtt Davy 1902-4-2 8045 Riverside Salton Comment
  CLARK-A1528-888  Physalis crassifolia Charlotte Stocks 1963-5-26 Riverside La Quinta Comment
  RSA423814  Physalis crassifolia M. B. Dunkle 1935-3-4 3057 Riverside Painted canyon 30 Comment
  RSA423824  Physalis crassifolia Robert M. Perkins 1937-3-15 s.n. Riverside 20 miles East of Indio. Comment
  SBBG6615  Physalis crassifolia H. and M. Dearing 1940-6-7 4336 Riverside Box Cyn Comment
  SD181325  Physalis crassifolia Scott D. White 2000-10-24 8140 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UCR116605  Physalis crassifolia A. C. Sanders 2001-4-8 23980 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
  UCR31807  Physalis crassifolia Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  RSA263779  Picris echioides Robert Harvey 1959-8-4 153 Riverside Corona, Tin Mine Canyon 457 Comment
  RSA234023  Pilularia americana R. F. Thorne, Earl Lathrop 1969-5-19 37966 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  UC400328  Pinus lambertiana H. M. Hall 1901-1-1 2318 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  UCSB82  Pinus lambertiana Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  UCSB83  Pinus lambertiana Bobkowski, Jr., Vincent 1960-5-14 Riverside Black Mountain Camp, San Bernardino National Forest, San Jacinto Mountains Comment
  CDA504  Pinus monophylla L. D. Merrill 1998-8-11 s.n. Riverside Santa Rosa Mountain. 0 Comment
  CAS-BOT-BC72838  Pinus quadrifolia Verne Grant 1951-7-23 16111 Riverside Hillslope in narrow canyon, several miles east of Anza on road to Hwy 74. 762 Comment
  CAS-BOT-BC79089  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa, Santa Rosa Mountains 1676 Comment
  UCD134972  Pinus quadrifolia John Thomas Howell 1960-3-24 35150 Riverside On road to Anza just south of Palms to Pines Highway. 1463 Comment
  UCR98769  Piperia elongata Scott D. White 1996-8-1 4420 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC136578  Piperia leptopetala Samuel B. Parish 1880-7-1 669 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA487453  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  RSA512132  Plagiobothrys canescens 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
  RSA673469  Plagiobothrys canescens Scott D. White, Tasha La Doux 2000-4-20 7701 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA85109  Plagiobothrys canescens J. C. Roos 1952-4-30 5605 Riverside Hills between Camp Haan and Riverside 518 Comment
  UCR48486  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Perris Basin, Good Hope Valley, c. 5 mi. west of Perris; DePrad Street, 0.5 mi. east of Cowie Avenue. 488 Comment
  UCR234285  Plagiobothrys collinus A. C. Sanders, John F. Green 2012-4-6 40011 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  RSA517931  Plagiobothrys collinus var. californicus Steve Boyd 1986-3-1 1370 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR12247A  Plagiobothrys collinus var. californicus Art Whistler 1966-3-9 660309- 06 Riverside Perris-Aguanga Basin, between Beaumont and Moreno, dirt road near Martin [Marvin?] St. and Bridge St. 457 Comment
  UCR256760  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7888 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA85112  Plagiobothrys leptocladus J. C. Roos 1952-4-23 5572 Riverside 1 miles southeast of Perris. 427 Comment
  UCR30506  Plagiobothrys leptocladus John C. Roos 1952-5-7 5623 Riverside Flats at Edgemont 488 Comment
  UCR171893  Plagiobothrys nothofulvus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR97680  Plagiobothrys nothofulvus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19911 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  CLARK-A1528-2263  Plagiobothrys parishii John C. Roos 1950-3-18 4713 Riverside Perris 457 Comment
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Feb 23 2014
  RSA198964  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, P. A. Munz 1968-5-8 37570 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UCR76164  Plantago elongata A. C. Sanders 1993-4-1 13663 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
  RSA356708  Plantago erecta Robert F. Thorne, E. W. Lathrop 1975-5-20 45507 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  UCR113136  Plantago erecta A. C. Sanders 1998-3-11 21674 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR139179  Plantago erecta Virginia Moran 2003-4-2 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 396 Comment
  UCR225437  Plantago erecta A. C. Sanders 2011-3-29 38834 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  SD187451  Plantago lanceolata Scott D. White, Angelia Carey 2004-5-7 10340 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 459 Comment
  RSA335010  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  JEPS22514  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6195 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  SD187452  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, ca. 10 mile east of Highway 177 . 365 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
  UCR260888  Plantago ovata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41427 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UC1922710  Plantago ovata Michael Honer with L. Hulse 2004-4-4 1928 Riverside Colorado Desert; Little San Bernardino Mountains region: SW base of Cottonwood Mtns., near MWD aqueduct, appx. 0.75 mi. N of I-10. E edge of Pinkham Wash. Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  RSA402024A  Plantago ovata var. fastigiata A. Menke 1955-3-26 s.n. Riverside No Palms near Desert Center, Hwy 70 Comment
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Feb 19 2013
  CHSC108890  Plantago patagonica Orlando Mistretta; D Bell, J England, J Hall, C McDonald, L Reccia 2010-4-13 4987 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  RSA741589  Plantago patagonica Scott D. White, Justin M. Wood 2008-6-17 12193 Riverside San Jacinto Mountains: Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR166079  Plantago patagonica S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 854 Comment
  UCR234327  Platanus racemosa A. C. Sanders, John F. Green 2012-4-6 40007 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, off Temescal Cyn. Rd., between Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 324 Comment
  RSA180244  Platystemon californicus E. W. Lathrop 1959-4-2 4434 Riverside 18 miles west of Murrieta. Comment
  RSA445709  Platystemon californicus G. R. Johnstone 1934-3-27 18575 Riverside Near Wildomar. Inland route to Temecula. Comment
  UCSB46705  Platystemon californicus Reed, Susan 1977-03 Riverside left side of Cajalco Rd; 1.5 miles west of Lake Matthews 365 Comment
  SD137591  Plectritis ciliosa Darin L. Banks 1995-5-9 388 Riverside Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove area, W of Woodchuck Campground 701 Comment
  UCR4612  Plectritis ciliosa subsp. insignis Frank C. Vasek 1960-4-12 600412- 04 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  POM1025  Pleuraphis rigida I. M. Johnston s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA472095  Pleurocoronis pluriseta M. B. Dunkle 1933-3-4 3045 Riverside Painted Canyon 61 Comment
  UC729734  Pleurocoronis pluriseta Carl B. Wolf 1932-4-27 3045 Riverside 1 mi off Mecca-Blythe Road (lower end of Lost Palms Canyon at first rocky hills); Colorado Desert, Lost Palms Canyon 243 Comment
  UC130511  Pluchea odorata var. odorata G. R. Hall 1908-1 Riverside Riverside Southern California, Riverside Comment
  SDSU17532  Pluchea sericea Jerry Jenkins 2001-4-2 2001 -049 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  UC472884  Pluchea sericea M. F. Spencer 1918-3-28 Riverside Palm Canyon Colorado desert 125 Comment
  RSA93084  Pluchea sericea F. W. Peirson 1918-03 1298 Riverside Palm Springs. Comment
  SEINET10801074  Pluchea sericea Billy Joe Cox 1975-4-23 Cox 4141 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial counties. 70 Comment
  POM14436  Poa fendleriana P. A. Munz, I. M. Johnston 1922-5-21 5505 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  UCR17528  Poa fendleriana Frank C. Vasek 1979-7-26 790726- 02 C Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UC820904  Poa fendleriana subsp. longiligula P. A. Munz and I. M. Johnston 1922-5-21 5505 Riverside Kenworthy; San Jacinto Mts 1402 Comment
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Mar 25 2011
  SD232153  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA262071  Poa secunda E. W. Lathrop 1966-4-27 6207 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  RSA552738  Poa secunda Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6760 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR241011  Poa secunda Tracy Tennant 1998-3-11 205 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  UCR27283  Poa secunda E. W. Lathrop 1966-4-27 6207 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and San Mateo Canyon, Cleveland National Forest. 1220 Comment
  RSA612932  Poa secunda D. L. Banks 1997-3-29 1645 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 Co. line border. 463 Comment
  UCD169224  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 304 -13 Riverside On N side of Hwy. 74. Comment
  CAS-BOT-BC167527  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-18 2195 Riverside 1 1/2 mi. N. of Cottonwood Spring, Eagle Mts. 975 Comment
  POM2363  Polygonum bistortoides I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 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
  RSA602394  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 miles NNE of Palo Verde: Ave 32 and Rannells Blvd. Comment
  RSA674523  Polystichum imbricans subsp. curtum Scott D. White 2000-11-15 8145 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  RSA679172  Polystichum imbricans subsp. curtum Fred M. Roberts 2003-6-25 5953 Riverside Santiago Peak, south slope, Main Divide truck Trail, c.a. 0.1km S Bear Springs. 1219 Comment
  UC495190  Populus P. A. Munz 1932-4-24 12388 Riverside along Snow Creek; San Jacinto Mountains, along Snow Creek 457 Comment
  RSA543142  Populus fremontii Steve D. Boyd 1991-3-17 5500 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA717463  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  SD262208  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood. 2017-4-13 417 56 Riverside Peninsular Ranges: Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. (Lake Eslinore 7.5'Q) 563 Comment
  UCR188151  Portulaca halimoides Robert J. Steers, Chris E. True 2007-10-3 s.n. Riverside Mojave Desert, Hidden Valley Campground, Joshua Tree National Park 1280 Comment
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA0005683  Potentilla wheeleri var. rimicola Philip A. Munz, I. M. Johnston 1924-7-27 8764 Riverside Dark Canyon, San Jacinto Mountains. 2409 Comment
  UCR93846  Proboscidea louisianica Steve Morgan 1996-7-8 s.n. Riverside Riverside: yard of Bob Kearney, 5755 Savela Dr. Comment
  CAS-BOT-BC206982  Prosopis glandulosa var. torreyana Ben L. Johnson 1910-8-13 s.n. Riverside Southern Riverside county. Comment
  JOTR32425  Prosopis glandulosa var. torreyana La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2213 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UC454648  Prosopis glandulosa var. torreyana J. E. Roadhouse 1906-8-14 803 Riverside Temescal Canyon Comment
  JEPS65604  Prosopis pubescens Marjorie D. Clary 1936-9-27 Riverside Colorado Desert, Coachella Coachella; Colorado Desert, Coachella Comment
  RSA101228  Prosopis pubescens David B. Dunn 1947-7-12 2960 Riverside Pushawalla Canyon, Indio Hills. Comment
  UC68617  Prosopis pubescens H. M. Hall Apr 1905 5988 Riverside near Indio; Colorado Desert 30 Comment
  UC519873  Prunus fasciculata N. Dunn, A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UC466744  Prunus fremontii F. M. Reed 1917-5-19 3872 Riverside Colorado Desert, Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon Comment
  CLARK-A1528-3071  Prunus ilicifolia K. R. Montgomery 1969-9-9 Riverside Reed Valley Comment
  RSA220993  Prunus ilicifolia E. W. Lathrop 1966-4-18 6189 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA472312  Psathyrotes ramosissima H. S. Gentry 1936-1 2173 Riverside West side of Colorado Desert. -30 Comment
  RSA785020  Psathyrotes ramosissima Duncan S. Bell 2012-3-18 3191 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
  SD27951  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside 5.0 miles east of Mecca, on Blythe Road. 99 Comment
  UCR48497  Pseudognaphalium biolettii Steve Boyd 1985-12-25 1197 Riverside Peninsular Range, Gavilan Hills; W side of Steele Valley in SCE Transmission Line Corridor 762 Comment
  UCR91458  Pseudognaphalium biolettii Scott D. White 1995-3-30 2678 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  SD140193  Pseudognaphalium californicum Scott White 1993-3-15 1191 Riverside Elsinore: Highway 74, just west of northwest corner of Lake Elsinore. Alluvial wash in Dickey Canyon. Comment
  JOTR36419  Pseudognaphalium luteoalbum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3365 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UC468786  Pseudognaphalium thermale F. M. Reed 1907-11-10 1993 Riverside High Grove Top of Blue Mountain, High Grove 548 Comment
  RSA526504  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross 1990-5-11 4699 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 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
  CAS-BOT-BC353575  Psorothamnus arborescens var. simplicifolius Barbara Ertter; Jeffrey Strachan 1980-5-20 3468 Riverside West side Whitewater Hill, east side Whitewater Wash, NW end of Coachella Valley, N of I-10. 457 Comment
  UC667322  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-22 2217 Riverside 1.5 mi n Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, n of Cottonwood Spring 975 Comment
  RSA124449  Psorothamnus emoryi Percy C. Everett, E. K. Balls 1958-4-29 23023 Riverside 5.3 mi. NE from Desert Center along road to Rice and Vidal Jct. 244 Comment
  CAS-BOT-BC340899  Psorothamnus schottii Lester Rowntree 1930-5-5 s.n. Riverside Hidden Springs, near Mecca Comment
  JOTR29372  Psorothamnus schottii La Doux, Tasha, Mike Bell 2006-5-10 1449 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCR86158  Psorothamnus schottii A. C. Sanders 1995-5-23 17122 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
  RSA784975  Psorothamnus spinosus Duncan S. Bell 2012-3-18 3218 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
  SEINET4037230  Psorothamnus spinosus G. T. Manthey 1977-1 1642 Riverside 10 miles east of Mecca on road going toward Joshua Tree National Monument. Comment
  UC154566  Psorothamnus spinosus Rensselaer J. Smith May 1904 Riverside White Water 396 Comment
  CAS-BOT-BC421249  Pterostegia drymarioides Milo S. Baker 1928-4-3 2818 b Riverside Tahquitz Canon [Canyon] near Palm Sps. Comment
  CAS-BOT-BC421254  Pterostegia drymarioides S. G. Stokes 1933-7-1 s.n. Riverside Road to Idyllwild. 1066 Comment
  UCR226055  Pterostegia drymarioides A. C. Sanders, Nathan Moorhatch 2011-3-22 38772 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  CDA7612  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Perris-Aguanga Basin region; Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside Comment
  UC5849  Quercus X acutidens Samuel B. Parish 1891-11-5 2261 Riverside near Temecula (McGee's Stone) Comment
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Mar 27 2011
  JEPS20059  Quercus X morehus Carl V. Meyer 1929-11-25 Riverside Saunder's Meadow Mt. San Jacinto Comment
  RSA523508  Quercus agrifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3967 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  SD244164  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range: Temescal Canyon, east of Glen Ivy near where Temescal Canyon Road passes under I-15 (Lake Mathews 7.5'Q) 317 Comment
  UCD45293  Quercus berberidifolia K. R. Montgomery 1969-7-9 69 29 Riverside Elevation 3500', Wilson Valley, 18 miles south of Hemet, Riverside County, California. 1066 Comment
  UCR250923  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  RSA477112  Quercus cornelius-mulleri J. C. Roos 1965-9-26 s.n. Riverside Pinyon Flats, Santa Rosa Mts. Comment
  CLARK-A1528-1182  Quercus dunnii John C. Roos 1956-9-14 3016 Riverside San Jacinto Mountains 1371 Comment
  SBBG119972  Quercus engelmannii A. C. Sanders with M. Misenhelter 2005-3-23 29264 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UCR281000  Quercus engelmannii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617- 01 Riverside Temescal Valley, Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  UCR117250  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22293 Riverside San Jacinto Mtns., W side of Burnt Valley along Burnt Valley Rd. 1354 Comment
  UCR270292  Quercus palmeri John F. Emmel 1999-10-2 1645 Riverside San Jacinto Mountains, southeast Garner Valley area, south end of Pine Meadow, 1.0-1.1 road miles southeast of Devils Ladder Road on Hwy 74, WSW of the hwy 1448 Comment
  RSA0127037  Quercus wislizeni Tom Scott 2011-04 2011 -571.1 Riverside San Bernadino Mtns: south side of mountains in Bannin Canyon on USFS road 2S01, c. 6.5 miles up canyon. 1492 Comment
  RSA85444  Quercus wislizeni var. frutescens J. C. Roos 1952-4-13 5518 Riverside Box Springs Mtns. 518 Comment
  CAS-BOT-BC362624  Rafinesquia neomexicana F. H. Billings 1926-2-28 4 Riverside Near 29 Palms, Colorado Desert Comment
  POM15166  Rafinesquia neomexicana Mary F. Spencer 1922-3-23 1127 Riverside Painted Canyon, Mecca, Colorado Desert -30 Comment
  POM41556  Rafinesquia neomexicana Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colorado Desert Comment
  RSA444569  Rafinesquia neomexicana Walter Wisura 1988-3-23 4213 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  POM295  Ranunculus cymbalaria var. saximontanus D. L. Crawford 745 Riverside At side of Lake Riverside. Comment
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Sep 3 2011
  UC1618122  Ranunculus cymbalaria var. saximontanus Donald G. Nelson 1936-5-22 392 Riverside Pines to Palms Hwy, near base of Santa Rosa Mountains Santa Rosa Mountains Comment
  UCR86019  Ranunculus sceleratus Scott D. White, Megan Phillips 1992-4-29 s.n. Riverside San Jacinto Valley, large area on San Jacinto Reservior on N and E sides, east of Sanderson Street, and SW of Ramona Expressway Comment
  CAS-BOT-BC56049  Rhamnus ilicifolia P. C. Everett 1935-6-18 7207 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1 1/2 mi. below (No.) main divide motorway 1280 Comment
  JOTR33938  Rhamnus ilicifolia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2827 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA243760  Rhamnus ilicifolia Percy C. Everett 1935-6-18 7207 Riverside Coldwater cam. trail, about 1.5 mi. below (N.) Main Divide Motorway. 1280 Comment
  RSA518505  Rhamnus ilicifolia Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  RSA552764  Rhamnus ilicifolia Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6750 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  SEINET10778394  Rhinotropis cornuta var. fishiae J. Richard Abbott 2001-8-18 Abbott 14678 Riverside Santa Ana Mountains, San Juan Canyon, 6.7 miles SW of E-edge of Cleveland National Forest; 0.1 mile E of Orange County line on CA 74, 2 miles W of road N to Upper San Juan Campground; steep NNW-facing chaparral slopes. Comment
  JOTR37449  Rhus aromatica Hodges, Stephen, T. Green 2016-5-24 571 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; ascending up wash and slopes towards Mount Minerva Hoyt peak from the east (Stop 2). Comment
  UCR114806  Rhus aromatica Mitch Provance 1998-2-6 84 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  UCR16590  Rhus aromatica Joe Buriel 1966-4-6 s.n. Riverside Peninsular Range, Robb Road [=Lake St.], 1 mi south of Temescal Canyon Road, 2 mi northwest of Lake Elsinore 459 Comment
  RSA561081  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7001 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  LA62864  Rhus ovata Louis Wheeler; 1933-12-1 2280 Riverside San Gorgonio Pass, San Gorgonio wash at S.P. RR 640 Comment
  UCR268313  Rhus ovata Jim Andre 2012-6-15 30494 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
  SD67910  Ribes cereum Reid Moran 1968-8-3 15352 Riverside Occasional on northeast slope, ridge 1.0 mile northwest of Toro Peak. 2250 Comment
  POM48312  Ribes indecorum E. C. Jaeger 1925-3-1 1 Riverside Snow Canyon, . San Jacinto Mts. Comment
  RSA40801  Ribes indecorum Unspecified 1949-3-4 12813 Riverside Indian Canyon, Santa Ana Mts. Comment
  RSA487547  Ribes indecorum 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
  UCR106065  Ribes malvaceum A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  OBI5780  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside Santa Ana Mts, Hidden cyn, 5 mi W of Corona, Base of Skyline Dr Comment
  UC455588  Ribes montigenum I. J. Condit 1910-6-23 Riverside summit San Jacinto Mt. 3291 Comment
  RSA0022095  Ribes montigenum J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 3293 Comment
  UCR90328  Ribes quercetorum Chet McGaugh 1993-3-10 s.n. Riverside Peninsular Range, S edge of Durasno Valley, c. 6 mi SW of Anza, N foot of Iron Spring Mtn, south of Tule Rd. and just west of Walker Rch Rd. 1402 Comment
  UCR79260  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA770318  Ricinus communis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4410 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
  RSA621468  Robinia pseudoacacia D. L. Banks, Elizabeth Hedge Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2169 Riverside NW Palomar Mountains, Agua Tibia Mountains: West of Vail lake at the intersection on Pauba Road and Los Caballos Road. 371 Comment
  UCR141678  Romneya coulteri June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  UCR251867  Romneya coulteri M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  CAS-BOT-BC147538  Rosa californica Lathrop; Thorne 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  CAS-BOT-BC147542  Rosa californica Jenkins; Street 1917-5-30 1951 Riverside San Jacinto [Canon] Canyon Comment
  RSA180385  Rosa californica E. W. Lathrop 1960-6-9 4976 Riverside 14 miles west of Murrieta. Comment
  CLARK-A1528-826  Rubus ursinus Paul D. Wood 1970-4-19 2 C Riverside Riverside 243 Comment
  RSA192111  Rubus ursinus E. W. Lathrop 1960-6-9 4986 Riverside 14 miles west of Murrieta. Comment
  UCR199625  Rubus ursinus Scott D. White 2004-4-26 10260 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR8275  Rumex acetosella B. Freeman 1969-6-28 690629- 4 Riverside San Jacinto Mtns., University of California James Reserve Trailfinders' Camp, near Lake Fulmor, on the Banning to Idyllwild. East of stream nearest gate, along road 1646 Comment
  JOTR32378  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 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
  UC56650  Rumex crispus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR86032  Sagina decumbens subsp. occidentalis Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  POM306692  Salazaria mexicana Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1690 Riverside Near Desert Center. Comment
  RSA38271  Salazaria mexicana P. A. Munz 1946-10-20 11576 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. Comment
  POM295747  Salix exigua Lyman D. Benson 1946-4-15 12047 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  POM319273  Salix exigua Patricia Wilder 1971-3-20 4905 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  IRVC26249  Salix gooddingii A. C. Sanders, D. Malueg 2003-5-8 26560 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  SD137624  Salix gooddingii Darin L. Banks, Steve Boyd 1995-4-5 141 Riverside Cleveland National Forest, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 658 Comment
  UCR231769  Salix gooddingii John F. Green 2008-4-21 02- 05 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  UCR270191  Salix gooddingii A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42412 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
  RSA0038297  Salix gooddingii Norman C. Cooper 1943-9-26 931 Riverside Cabazon 548 Comment
  CAS-BOT-BC108215  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA601909  Salix laevigata Louis C. Wheeler 1964-6-19 8488 Riverside Chino Creek, oasis near Palm Springs. Comment
  UCR156099  Salix laevigata T. B. Salvato, Kent Beaman 2005-5-16 840 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  SD144435  Salix lasiolepis Andy C. Sanders 1996-4-24 18091 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1096 Comment
  UC4983  Salix lutea H. M. Hall 1901-7-17 2447 Riverside San Jacinto Mts., Tahquitz Creek 1828 Comment
  CDA21320  Salsola australis B. Villegas 2002-8-19 239 -3 Riverside South Coast Region; Temecula, Vaquero Dr. at Gallespy Ct. 335 Comment
  CAS-BOT-BC232920  Saltugilia latimeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  POM14051  Saltugilia splendens P. A. Munz, D. D. Keck 1922-4-14 5001 Riverside East of White Water Ranch. 244 Comment
  POM161530  Saltugilia splendens Ralph Hoffmann 1929-9-19 s.n. Riverside San Jacinto Mountains: Tahquitz Valley. 2439 Comment
  RSA509535  Salvia apiana Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  UC534838  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  CLARK-A1656-683  Salvia columbariae Lois Ann Scott 1979-3-15 Riverside Mecca 269 Comment
  SD73609  Salvia columbariae Helen Witham 1970-5-1 858 Riverside SE of Hemet, in Bautista Canyon 800 Comment
  UC1979530  Salvia columbariae Darin L. Banks, Steve Boyd 1995-4-5 133 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. Comment
  UCR124649  Salvia columbariae B. C. Templeton, I. W. Clokey 1930-4-9 1004 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  LA69707  Salvia eremostachya Carl Epling; L. Haines 1937-5-7 sn Riverside .6 mi. below Shumway Road, Palms to Pines Highway Comment
  UCSB42124  Salvia greatae Roos, John 1958-3-29 Riverside slope in Salt Creek Wash; 3 miles N. of Coachella Canal; on E. base of Orocopia Mtns 304 Comment
  RSA769334  Salvia leucophylla E. W. Lathrop 1974-6-4 7403 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  RSA552756  Salvia mellifera Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6742 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  UCR155322  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-3-23 29250 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR213861  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  JOTR29143  Salvia mohavensis La Doux, Tasha 2005-6-20 1220 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Berdoo Canyon; where road/canyon turns west 1182 Comment
  UC187491  Salvia pachyphylla A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  UC25679  Salvia pachyphylla H. M. Hall 1897-8-11 809 Riverside Tauquitz Valley; San Jacinto Mountains 2286 Comment
  POM50362  Salvia pachyphylla subsp. pachyphylla H. M. Hall 1901-06 2160 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  CAS-BOT-BC233347  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  RSA229426  Salvia vaseyi P. A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  SEINET7048155  Sambucus caerulea Steven R. Hill 2001-5-3 33656 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR112798  Sambucus mexicana A. C. Sanders 1997-5-1 20618 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  RSA0037337  Sambucus mexicana Bob Rogers 1984-4-21 11 Riverside Collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  UCR120962  Sanicula arguta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23889 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR54655  Sanicula arguta B. G. Pitzer, E. Misquez 1988-2-28 0628 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA359603  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  RSA613427  Sanicula crassicaulis D. L. Banks 1997-4-5 1665 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  UC23113  Sarcostemma cynanchoides subsp. hartwegii Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA335020  Schinus molle Steve Boyd 1985-7-23 1010 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
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May 8 2013
  UCD93276  Schismus C. L. Hitchcock; C. V. Muhlick 1962-3-16 22139 Riverside Temescal Canyon, 8 mi. s.e. of Corona. Comment
  CAS-BOT-BC243460  Schismus barbatus H. S. Yates 1937-3-23 6415 Riverside Near White Water 304 Comment
  RSA676102  Schismus barbatus Scott D. White 2001-4-3 8265 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  POM1408  Schoenoplectus americanus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  UCR163232  Schoenoplectus americanus D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  UC306142  Scirpus americanus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert, Palm Canyon (along creek, Colorado Desert) 274 Comment
  UCR22036  Scrophularia californica Steve Boyd 1980-5-11 251 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
  UCR263718  Scrophularia californica Mark A. Elvin, Tricia Wotipka 2002-4-30 1953 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, La Borde Canyon 793 Comment
  RSA425198  Scrophularia californica subsp. floribunda Christopher Davidson 1975-6-16 2801 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  VVC2879  Selaginella bigelovii Tim Thomas, P. J. MacKay 2010-4-12 5053 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0119892  Selaginella eremophila Duncan S. Bell, Thomas Stoughton 2016-4-12 9223 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 775 Comment
  POM9755  Selaginella watsonii Edmund C. Jaeger 1921-6-18 290 Riverside San Jacinto Mountains, San Jacinto Peak 3291 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
  RSA38272  Senecio douglasii var. monoensis P. A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1037 Comment
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Jul 9 2012
  JOTR01287  Senecio flaccidus var. monoensis Cole, James E. 1941-5-21 754 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  RSA703384  Senecio mohavensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1411 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SEINET3406127 Image available Senecio mohavensis Jim Andre, T. La Doux 2009-3-10 11249 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood. (Cottonwood Basin 7.5' Q.) 542 Comment
  POM48355  Senecio triangularis P. A. Munz, I. M. Johnston 1924-7-27 8792 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  SD113531  Senegalia greggii Frank F. Gander 1936-6-14 360 Riverside San Jacinto, desert side Comment
  SD253454  Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range: along Hwy 79 c. 1 km east of Los Caballos Road and 1 km west of Pauba Road (Pechange 7.5'Q) 401 Comment
  CAS-BOT-BC516743  Sesuvium verrucosum S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert: Coachella Valley, c. 1.2 mi SE of Mecca at jct of 68th St. & Johnson Ave. -60 Comment
  UCR30540  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside San Bernardino Valley, Riverside, corner of Iowa Avenue and 8th Street 305 Comment
  UCR132610  Sidalcea malviflora Kent Beaman 1983-4-24 32 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road 3.5 miles west of Hwy 15, just west of La Cresta Rd., at top of hill from Murrieta, north side of road 549 Comment
  UCR90493  Sidalcea malviflora F. M. Reed 1933-5-31 7818 Riverside San Jacinto Mtns., Vandeventer Flats 1433 Comment
  RSA768656  Sidalcea malviflora subsp. sparsifolia Justin M. Wood 2010-3-19 1429 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  RSA162828  Sidalcea oregana subsp. spicata J. D. Olmsted 1959-6-23 677 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  RSA801950  Sidotheca trilobata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6161 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  SD132448  Sidotheca trilobata Chet McGaugh 1990-8-8 Riverside SW Durasno Valley, S of town of Anza 1372 Comment
  SD181382  Sidotheca trilobata Rashmi Pant, Darin Banks 1996-5-1 1013 Riverside Cleveland National Forest: along the Cutca Trail, E of the Cutca Valley, ca. 0.5 miles W of the Aguanga Trail Junction Comment
  UCR207697  Silene verecunda subsp. platyota Justin M. Wood, Brandy N. Wood 2009-6-13 893 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  RSA421790  Simmondsia chinensis Gale Sphon 1955-5-22 s.n. Riverside Dead Indian Canyon near Palm Springs Comment
  RSA673550  Sisymbrium altissimum Scott D. White, Tasha La Doux 2000-4-20 7