Search Results — 2000 specimen records retrieved (1901 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229334  Abronia villosa N. Aitkenhead 1977-2-1 2177 Riverside Dillon Rd. 3 mi. past junction w/ 1000 Palms Canyon Rd Comment
  CAS-BOT-BC229350  Abronia villosa E. A. McGregor 1917-3-18 796 Riverside Colorado Desert. 4 mi up Painted Canon [Canyon] Comment
  POM305641  Abronia villosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 858 Riverside Desert center, Mojave Desert Comment
Read comments
Dec 16 2011
  RSA0026173  Abronia villosa Marc Baker 2013-3-19 17702 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  UC851656  Abronia villosa Ira L. Wiggins 1937-3-9 8769 Riverside n Indio Comment
  UCD109833  Abronia villosa R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  JEPS79801  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
Read comments
Mar 24 2011
  RSA461182  Abronia villosa var. aurita N. C. Cooper 1949-3-15 3035 Riverside Palm Springs 122 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
  SEINET5585524  Abronia villosa var. aurita Duncan S. Bell 2012-1 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SEINET5585526  Abronia villosa var. aurita Duncan S. Bell 2012-1 3154 Riverside Southern section of the Mecca Hills; approximately 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 37 Comment
  JOTR32127  Abronia villosa var. villosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2283 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
  SEINET3005055  Abronia villosa var. villosa G. Rink 2011-4-29 10493 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  HSC24824  Acacia greggii James Henrickson 1971-4-2 5474 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  RSA0070271  Acacia greggii Cheryl Sevilla, Sarah J. De Groot 2015-5-6 80 Riverside Sonoran Desert; Coachella Valley; north of the Santa Rosa Mountains; south of La Quinta; 2.1 air miles west-southwest of Lake Cahuilla. 210 Comment
  RSA727392  Acacia greggii Naomi Fraga, Lisa Rojas 2005-2-10 1381 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR263479  Acamptopappus sphaerocephalus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41504 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
  UCSB8490  Acamptopappus sphaerocephalus Muller, Cornelius 1953-3-21 Riverside In White Water Canyon Comment
  POM41109  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC598738  Acamptopappus sphaerocephalus var. sphaerocephalus John Bright 1936-4-21 12816 Riverside north of Palm Springs; Colorado Desert Comment
  UCR132776  Acer negundo S. J. Myers 2001-4-26 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR91004  Acer negundo A. C. Sanders 1996-4-24 18086 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA599121  Achnatherum coronatum V. W. Steinmann, D. L. Banks 1996-4-20 837 Riverside Agua Tibia Mountains, ca. 15 km east of Temecula, less than 1 km south of Route 79 at the Dorland Mountain Arts Colony, just southwest of the administration building., ca. 33?28'N, 117?01'W 500 Comment
  CHSC35868  Achnatherum speciosum Paul Bailey 1972-5-14 127 Riverside 6 miles NW of Aguanga near Hwy R-3 in Lancaster Valley. 365 Comment
  POM10327  Achyronychia cooperi Charlotte M. Wilder 1905-04 707 Riverside Santa Marie Mountains. Comment
  POM14011  Achyronychia cooperi P. A. Munz, D. D. Keck 1922-4-13 4937 Riverside Desert Center; Chuckwalla Valley Comment
  UCR244307  Achyronychia cooperi Jim Andre 2012-4-15 20853 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCSB23492  Achyronychia cooperi Keefe, Joseph 1967-1-2 Riverside Campground; Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  RSA799086  Acmispon rigidus Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6883 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  SD73624  Acmispon rigidus Helen V. Witham 1970-4-29 824 Riverside 22 miles east of Lake Hemet. 1299 Comment
  JOTR33933  Acmispon strigosus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2823 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
  OBI18908  Acmispon strigosus David J. Keil, Malcolm McLeod 1979-3-18 12969 Riverside Alberthill jctn alond Hwy 71 366 Comment
  SBBG34207  Acmispon strigosus T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  CAS-BOT-BC29188  Acourtia microcephala A. M. White 1974-6-4 1420 Riverside Indian Canyon Road, ca. 15 miles west of Sun CIty 1219 Comment
  RSA734491  Acourtia microcephala M. Wall 2008-7-4 484 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  CAS-BOT-BC22560  Adenophyllum porophylloides P. A. Munz; L. F. Street 1919-5-7 2732 Riverside Palm Springs 198 Comment
  UCR112805  Adenostoma fasciculatum A. C. Sanders 1997-5-1 20607 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UCR175074  Adenostoma fasciculatum Teresa Nieto 2005-5-26 25 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA679175  Adenostoma sparsifolium Richard L. Zembal 2003-7-11 5962 Riverside Santa Ana Mtns.: Just east of Bear Creek, 0.5km Upper San Juan Campground. On gentle ridge with north-facing aspect 668 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
  RSA750595  Agave deserti subsp. deserti K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UCR44418  Agoseris retrorsa A. C. Sanders 1986-6-1 06562 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UC1146111  Agrostis exarata E. K. Balls 1958-6-27 23301 Riverside between Santiago Peak and Indian Truck Trail; Santa Ana Mountains, along Main Divide 1371 Comment
  UC815099  Agrostis idahoensis P. A. Munz 1922-7-6 6013 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  SD232137  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside San Jacinto Mountains, Johnson Meadow 1415 Comment
  SEINET3127797  Agrostis verticillata H. M. Hall 2252 Riverside Fuller's Mills Mountains; San Jacinto Mountains 1615 Comment
  POM764  Allionia incarnata I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. Comment
  RSA27526  Allionia incarnata I. L. Wiggins 1941-3-27 9682 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  UCR237637  Allionia incarnata Duncan S. Bell 2010-3-20 636 Riverside Riverside Mountains, in the vicinity of Mountaineer Mine, c. 2 air mi northeast of Riverside Mountain Peak 215 Comment
  RSA652062  Allium fimbriatum var. fimbriatum Harold Lint 1958-5-25 2041 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA359517  Allium haematochiton Steve Boyd 1986-3-9 1378 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA702415  Allium haematochiton Steve Boyd, Aydee Virgen 2004-4-13 10859 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR64626  Allium munzii B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1477 Riverside Gavilan Hills, near Gavilan Peak, west of Perris 400 Comment
  UCR35295  Allium peninsulare L. B. Ziegler 1967-5-18 126 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA644111  Allium praecox Scott D. White 1995-3-30 2676 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  RSA85583  Allium praecox J. C. Roos 1952-4-2 5468 Riverside Box Springs grade east of Riverside. 427 Comment
  UCR91459  Allium praecox Scott D. White 1995-3-30 2676 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  CDA7116  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Yard of residence at 5081 Magnolia Ave, corner of Chapman Place, Riverside. Comment
  RSA751183  Allium unifolium S. Morgan 1995-5-18 s.n. Riverside UCR Botanical Garden. Emma Swets Bilb Garden, Garden Grid Cell E-9. 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
  LA210330  Allophyllum glutinosum Harlan Lewis; Elizabeth McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  UCR174362  Allophyllum glutinosum A. C. Sanders 2006-5-19 32406 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC170132  Alnus rhombifolia Carl B. Wolf 1932-5-24 3649 Riverside N base of San jacinto Mts., Snow Creek Canyon, 1/2 mi below Fish Hatchery 548 Comment
  RSA198991  Alopecurus saccatus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  CLARK-A1528-7783  Amaranthus albus John C. Roos 1965-7-27 Riverside Hemet Comment
  RSA596768  Amaranthus albus D. L. Banks, K. D. Hedge 1996-5-16 1034 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve., At the junction with the road to the local golf course. 426 Comment
  UCR148485  Amaranthus blitum John F. Green 2005-1-25 s.n. Riverside San Bernardino Valley, Mira Loma area, just south of the San Bernardino county line near Ontario, north of Cloverdale Rd. between Harrison Ave. and Archibald Ave. 197 Comment
  UCR92407  Amaranthus californicus F. M. Reed 1933-9-20 8098 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  RSA0106724  Amaranthus fimbriatus Duncan S. Bell 2011-9-30 2936 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
  UCR272196  Amaranthus powellii Duncan S. Bell 2015-9-30 8659 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  CLARK-A1528-145  Ambrosia acanthicarpa Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR239599  Ambrosia acanthicarpa O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  RSA0030752  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA603806  Ambrosia dumosa L. C. Wheeler 1931-11-26 383 Riverside 2 mi. SE Salton Bench Mark, Colorado Desert. -61 Comment
  RSA796018  Ambrosia dumosa Duncan S. Bell 2009-4-18 245 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 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
  SBBG109173  Ambrosia dumosa D. Wilken with G. A. Wilken 1997-11-1 15372 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SFV11884  Ambrosia dumosa R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  RSA180511  Ambrosia psilostachya E. W. Lathrop 1960-6-6 4832 Riverside 14 miles W. of Murrieta. Comment
  UCR182537  Ambrosia psilostachya Mitch Provance 2003-7-4 4639 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  CAS-BOT-BC273022  Ambrosia salsola F. O. Ballou 1926-2-27 s.n. Riverside Old Beach Line at base of Santa Rosa Mts near Fish Springs Comment
  CAS-BOT-BC273033  Ambrosia salsola 1939-3-30 3346 Riverside Between Mecca and Blythe on old highway Comment
  UCSB36179  Ambrosia salsola var. salsola Roberts, Dar 1980-3-26 Riverside 1 miles south southern enterance to Joshua Tree National Monument, 0.25 miles E. Rd. 750 Comment
  RSA522282  Amelanchier pallida Steve D. Boyd, C. Boyd, K. A. Boyd 1989-5-13 3592 Riverside Upper Bautista Cyn. just below turnoff to Tripp Flat Ranger Station, foothills of San Jacinto Mtns. Comment
  UCR270409  Amelanchier utahensis John F. Emmel 2000-4-30 1646 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road at Garnet Queen Creek crossing 1890 Comment
  UCR266908  Ammannia coccinea D. E. Bramlet 2005-7-13 3900 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  UC718408  Amorpha californica var. californica Carl B. Wolf 1933-8-24 5380 Riverside 1/2 mi below summit of Bedford Motorway; E. Slope Santa Ana Mts. 975 Comment
  LA204904  Amorpha fruticosa Leo Boyd; 1953-5-24 sn Riverside 11 mi. SW of junction of CA highways 74 and 111, on highway 74 Comment
  SJSU4445  Amorpha fruticosa R. L. MacDonald 1962-4-17 Riverside Palm Canyon, E slope San Jacinto Mtn near Palm Springs Comment
  UCR119435  Amorpha fruticosa A. C. Sanders, Mitch Provance 1999-9-26 23089 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA80004  Amsinckia intermedia F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  UC480367  Amsinckia intermedia Ivan Johnston Apr 4 1917-Apr 6 1917 989 Riverside mouth of Andreas Canyon; Colorado Desert 243 Comment
  UCR241948  Amsinckia intermedia A. C. Sanders, Timothy W. Chumley 2013-3-28 40707 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  UCR136275  Amsinckia menziesii var. menziesii A. C. Sanders 2004-4-20 27560 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA0089936  Amsinckia menziesii var. menziesii Steve Boyd 1986-4-2 1617 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 610 Comment
  SD244092  Amsinckia retrorsa A. C. Sanders, Timothy W. Chumley 2013-3-28 40708 Riverside Peninsular Range: Alberhill, along Lake Street, 1.45 km south of I-15 near old clay mines (Alberhill 7.5'Q) 395 Comment
  RSA0091471  Amsinckia tessellata Duncan S. Bell 2010-4-1 664 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA338171  Amsonia tomentosa var. tomentosa R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53579 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  UCR174359  Ancistrocarphus filagineus A. C. Sanders 2006-5-19 32383 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
  RSA776018  Anemone tuberosa Duncan S. Bell 2010-3-20 610 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCSC003150  Angelica tomentosa Peter Kamb 1948-10-31 1282 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  JOTR37062  Antirrhinum coulterianum La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3548 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  SD4551  Antirrhinum coulterianum Fidella G. Woodcock 1928-4-27 Riverside Valley between San Jacinto Mountain and Warner's Hot Springs Comment
  UC666467  Antirrhinum coulterianum Annie M. Alexander and Louise Kellogg 1941-6-1 2266 Riverside Dry Morongo Creek 640 Comment
  SD136754  Antirrhinum kelloggii Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside San Mateo Canyon Wilderness Area. Indian Potrero Trail from Verdugo Potrero to Indian Potrero Trail on ridge between Talega Canyon and Nickel Canyon 609 Comment
  CLARK-A1528-4165  Antirrhinum nuttallianum John C. Roos 1937-5-2 1398 Riverside La Sierra Comment
  CLARK-A1528-4169  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  UCR119363  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  RSA356719  Antirrhinum nuttallianum subsp. nuttallianum Robert F. Thorne, E. W. Lathrop 1975-5-25 45547 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA496360  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3034 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  UCD127217  Apiastrum angustifolium Rimo Bacigalupi; L. Heckard 1962-3-25 8402 Riverside Temescal Wash, near Archilla siding of the A.T. and S.F. Railway, just below and east of State Highway 71. (About 10 air miles northwest of Elsinore). 335 Comment
  UCR250315  Apiastrum angustifolium A. C. Sanders 2014-4-16 41017 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., south of Sycamore Creek Fire Station 372 Comment
  RSA0123371  Apocynum cannabinum Duncan S. Bell, Thomas Stoughton 2016-4-14 9303 Riverside Santa Rosa Mountains; eastern drainage of Asbestos Mountain; at a spring in Carrizo Creek approximately 1 air mile north of Black Hill. 758 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
  UCR120625  Arabis glabra Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2290 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR19376  Arabis glaucovalvula Harlan Lewis, Carl Epling 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring, ['Providence Mtns.' NOTE: The locality data on this specimen is certainly partially incorrect: likely from Cottonwood Spring at the S entrance of Joshua Tree National Park, Riverside Co. The collectors were at Corn Spring, Chuckwalla Mtns on the same date, some of the species collected at Cottonwood Spring are very unlikely to have come from the Providence Mtns: Condaliopsis lycioides & Tetracoccus hallii in particular. Det. by A.C. Sanders, Dec. 1986] Comment
  RSA0129340  Arabis perennans Henry J. Ramsey, Mrs. Ramsey 1938-4-23 2186 Riverside Santa Rosa Mountains. Comment
  RSA0128805  Arabis sparsiflora Duncan S. Bell, J. D. England 2010-6-4 1264 Riverside San Bernardino National Forest: Garner Valley, along forest service road 6S13 approximately 0.5 air mile west of junction of forest service road 6S04 and forest service road 6S13. 1372 Comment
  RSA0128856  Arabis sparsiflora Scott D. White, Justin M. Wood 2008-6-19 12276 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR128304  Arabis sparsiflora var. arcuata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8632 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
  CAS-BOT-BC410048  Arceuthobium campylopodum Geo. B. Grant July 01 1113 Riverside San Jacinto Mountains Comment
  RSA629127  Arctostaphylos Jon E. Keeley 1992-7-17 16763 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 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
  UC1120175  Arctostaphylos glandulosa subsp. glandulosa A. Lewis 1934-3-4 307 Riverside Tin Mine Canyon Cleveland N.F., Corona Quadrangle Comment
  RSA629448  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-17 16775 Riverside Road to Thomas Mountain (%S15), 4 km N of Toolbox Springs 1930 Comment
  POM254920  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Northwest Santiago Peak, Santa Ana Mts. 1735 Comment
  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
  RSA631779  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19259 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA632646  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16548 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  POM210098  Arctostaphylos glauca var. glauca C. B. Wolf 1932-5-25 3695 Riverside One half-mile southwest of summit of Moreno Grade, Bad Lands, southwest of Beaumont 610 Comment
  RSA562610  Arctostaphylos glauca var. glauca Steve Boyd 1992-10-14 7716 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak. 976 Comment
  RSA633545  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22671 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633595  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16702 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 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
  RSA633701  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16671 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633731  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16623 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  SEINET5604112 Image available Arctostaphylos pringlei Unknown 1961-1 Unknown Riverside Pine Cove, Idyllwild, CA. Comment
  CAS-BOT-BC44359  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1958-5-17 12958 Riverside Along road to Banning 6.1 miles north-west of Lake Fulmor, San Jacinto Mountains. Comment
  CAS-BOT-BC44369  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. 1828 Comment
  CHSC90116  Arctostaphylos pringlei subsp. drupacea Donald G. Miller III 1998-7-26 Riverside Santa Rosa Mountain. 2200 Comment
  RSA652424  Arctostaphylos pringlei subsp. drupacea Jack Starnes 1949-4-15 s.n. Riverside Colected San Jacinto Mts. Near [Idyllwild]. 1524 Comment
  UCD52967  Arctostaphylos pringlei subsp. drupacea I. W. Clokey; E. G. Anderson 1935-4-16 7888 Riverside Hemet. 900 Comment
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Mar 16 2007
  UCSB4720  Arctostaphylos pringlei subsp. drupacea Ralph, F. 1959-5-16 Riverside Near Jolley Springs along Devil's Slide Trail in Mt. San Jacinto Wilderness Area, Mt. San Jacinto 2133 Comment
  GMDRC6560  Arctostaphylos pungens J. M. Andre 2012-6-15 30514 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA635801  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16519 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  UCD53745  Arctostaphylos pungens Richard Bates 1949-5-21 s.n. Riverside Along rail to Tahquitz Peak; San Jacinto Mtns. Comment
  UCSB4764  Arctostaphylos pungens Kamb, Peter 1949-4-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA636002  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19549 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636032  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19535 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  SD135211  Arctostaphylos rainbowensis Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-11 19485 Riverside Eastern Santa Margarita Mtns., W of Temecula, off Colman Rdl, 0.8 km N of Carancho Rd. and W of De Luz Rd. 170 Comment
  UCR101403  Arenaria douglasii A. C. Sanders 1997-4-10 20328 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  CSUSB1035  Argemone munita Richard L. Irwin 1962-4-21 41 Riverside In river bottom ca 1/4 mile Sw. of the Mission Blvd. (U.S. Hwy. 60) bridge over the Santa Ana River. 243 Comment
  UCR3307  Argemone munita John Kitasako 1964-5-10 45267 Riverside San Jacinto Mtns., State Hwy 74, 4.5 mi east of Hemet 640 Comment
  CAS-BOT-BC207128  Argythamnia lanceolata Carl B. Wolf 1932-4-27 3058 Riverside 5 mi. E of Desert Center, No. base of Chuckwalla Mts., Colorado Desert 152 Comment
  RSA0047320  Aristida adscensionis Jim Andre 2014-1-27 26667 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
  RSA782352  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-18 121 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  SEINET229296  Aristida adscensionis L. M. Shultz, JS Shultz 1985-4-17 8307 Riverside Soouthern extension of the Big Maria Mountains. In section '26.5 98 Comment
  UC196994  Aristida adscensionis Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  UCSB299  Aristida adscensionis Don Graney 1953-3-21 165 Riverside collected 13.0 mi E, in the Colorsdo Desert Indo - Indio Comment
  POM308114  Aristida adscensionis var. modesta Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2936 Riverside 10 miles east of Indio. Comment
  RSA385024  Aristida californica var. californica Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7816 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  UCR188224  Aristida purpurea Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1704 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  UCR216682  Aristida purpurea Tasha La Doux, Jim Andre 2009-3-10 386 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
  CAS-BOT-BC137592  Aristida purpurea var. fendleriana Peter H. Raven 1958-5-18 13003 Riverside San Jacinto Mountains. Pinyon Flats. Comment
  UCR54264  Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  SD152959  Artemisia californica Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7668 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road at the cdonfluence of Los Alamos Creek. 395 Comment
  SD229062  Artemisia californica Dick Schwenkmeyer 2012-10-16 845 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SBBG98327  Artemisia tridentata P. A. Munz 1946-10-19 11565 a Riverside Cahuilla 1097 Comment
  SD197749  Arthrocnemum subterminale Karin Cleary-Rose, G. Nuhn 1995-7-20 Riverside Peninsular Range, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Ave, at south end of Hyatt Ave. 456 Comment
  CAS-BOT-BC222819  Asclepias albicans D. A. Johansen; J. A. Ewan 1932-4-12 7071 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  JOTR36089  Asclepias albicans La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3316 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  SEINET3081981 Image available Asclepias californica M. M. Thompson 1947-6-9 C 2060 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR17948  Asclepias californica K. Stolte 1978-5-28 s.n. Riverside peninsular Range/Agua Tibia Mtns. Region, Along Hwy 79, at entrance to Dripping Springs Camp Comment
  SEINET12320813  Asclepias subulata R. A. Schlising 1972-1 3015 Riverside Ramon Road Comment
  UCR18598  Asphodelus fistulosus O. F. Clarke 1974-2-28 s.n. Riverside UC Riverside Botanic Garden Comment
  POM146198  Aster hesperius F. M. Reed 1927-11-15 5664 Riverside Water ditch on Central Cove, near Olivewood Cemetery 274 Comment
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May 1 2011
  RSA48421  Astragalus aridus E. K. Balls 1949-4-2 s.n Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  JEPS48856  Astragalus bernardinus Marjorie D. Clary 1932-5-13 954 Riverside Keys View, Summit , Keys View, Summit (San Bernardino Mts.) Comment
  RSA49360  Astragalus bernardinus P. A. Munz 1949-4-11 13006 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  RSA485841  Astragalus coccineus T. S. Elias 1988-1-26 10674 Riverside Joshua Tree National Monument; Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  POM306062  Astragalus filipes Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n Riverside Palms to Pines Highway. Comment
  SEINET3101941  Astragalus filipes Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17363 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UCR214304  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38400 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
  RSA0037331  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center. Comment
  UC862623  Astragalus lentiginosus var. coachellae Carl B. Wolf 1932-5-25 3685 Riverside on road to Snow Creek Canyon (San Gorgonio Wash); road to Snow Creek Canyon, San Gorgonio Wash 365 Comment
  UC862626 Image available Astragalus lentiginosus var. coachellae Alice Eastwood 1913-4-30 3116 Riverside Palm Springs Comment
  UCR85277  Astragalus lentiginosus var. fremontii Bern Schwenn 1991-5-21 s.n. Riverside Southern Mojave / Colorado Desert, Joshua Tree National Monument [now J.T.N. Park], Lost Horse Valley, east of Ryan Campground along California Riding and Hiking Trail. 1329 Comment
  JEPS54934  Astragalus palmeri Marjorie D. Clary 1932-11-14 1673 Riverside Pinyon Flats , Pinyon Flats (San Jacinto Mts.) 1219 Comment
  RSA415655  Astragalus pomonensis T. W. Minthorn s.n Riverside Near Moreno. Comment
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Mar 20 2011
  RSA500574  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3572 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA681882  Astragalus pomonensis Scott D. White 2001-3-13 8161 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  UC1228590  Astragalus pomonensis C. L. Hitchcock, C. V. Muhlick 1962-3-16 22158 Riverside ca 12 mi se Corona (Temescal Canyon); , se of Corona Comment
  POM15204  Astragalus sabulonum Mary F. Spencer 1922-3-29 1655 Riverside Mecca -49 Comment
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Feb 17 2013
  RSA692510  Athyrium filix-femina subsp. cyclosorum Sisson 1930-11-12 20 Riverside San Jacinto Mtns.: Near Idyllwild. Strawberry Creek. 1982 Comment
  CAS-BOT-BC334464  Athysanus pusillus A. C. Sanders; Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd. near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA552696  Athysanus pusillus Steve Boyd 1992-2-26 6704 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR107413  Athysanus pusillus B. G. Pitzer 1997-3-23 2965 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA735223  Atrichoseris platyphylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11245 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA33311  Atriplex canescens N. C. Cooper 1943-10-9 954 Riverside Hemet. 305 Comment
  SD229126  Atriplex canescens Dick Schwenkmeyer 2012-11-6 876 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  SEINET3930704  Atriplex canescens Howard Stutz 1977-11-17 8192 Riverside East of Cabazon, Plants abundant.; 0 Comment
  UC1007110  Atriplex canescens W. M. Ingram October 1934 4 Riverside Edom Colorado Desert, Edom Comment
  UC1329988  Atriplex canescens James E. Cole 1941-10-20 933 Riverside Optimist Mine Road Joshua Tree National Monument, Lost Horse Valley (Lost Horse Valley, Joshua Tree National Monument) 1310 Comment
  POM184643  Atriplex canescens var. linearis L. C. Wheeler 1931-11-27 378 Riverside 2 miles SE of Salton Bench Mark. -76 Comment
  UCR182507  Atriplex coronata var. notatior Mitch Provance 2005-5-17 6594 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
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Jan 6 2008
  UCR201822  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR70520  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR70523  Atriplex coronata var. notatior D. E. Bramlet 1991-5-8 2130 Riverside San Jacinto area, 5.8 km west of Hemet and c. 670 m north of intersection of Warren Road and Setson Ave., just west of Hemet-Ryan Airport. 500 Comment
  RSA0025294  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  SD240966  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Peninsular Range: Santa Ana Mountains Region: Temescal Canyon near I-15 crossing of Temescal Canyon Road and Temescal Creek, c. 2.6 km SW of Lee (Corona) Lake (Alberhill 7.5'Q) 360 Comment
  LA204681  Atriplex hymenelytra S. Beller; 1926-4-20 sn Riverside Palm Springs 121 Comment
  SBBG118903  Atriplex hymenelytra S. Boyd with T. Morgan, A. Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11247 Riverside W base of the Chocolate Mtns, ca. 1.25 mi N of Imperial County line, ca. 3.75 mi W of aqueduct, accessed by dirt rd of main aqueduct rd at siphon station, within boundaries of US Navy's Chocolate Mtns Aerial Gunnery Range (33 26'42.7N, 115 38'06.2"W) 490 Comment
  POM278754  Atriplex lentiformis subsp. breweri Grant D. Brown 1950-12-2 580 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  CAS-BOT-BC176541  Atriplex polycarpa W. I. Follett; E. B. Follett 1963-4-23 s.n. Riverside Below Coachella Canal road, 22.1 mi. se. of Mecca Comment
  RSA450605  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Thousand Palms oasis, in the Indio Hills, Coachella Valley. 168 Comment
  RSA653203  Atriplex prostrata Mitch Provance, Steve D. Boyd 1999-9-14 1781 Riverside 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
  POM319681  Atriplex rosea Patricia Wilder 1970-10-15 4750 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
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Sep 26 2009
  OBI37522  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith rd, just E of the Bear Creek development golf course. Comment
  CAS-BOT-BC176760  Atriplex serenana var. serenana Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinton [Kieth] Keith Rd., just east of the Bear Creek development [golfcourse] golf course Comment
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Feb 13 2019
  UCR112482  Atriplex suberecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23331 Riverside Coachella Valley, along Tyler St. south of I-10, east of Indio and north of Coachella -12 Comment
  RSA585868  Avena barbata D. L. Banks, Steve Boyd 1995-5-9 354 -A 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
  CLARK-A1528-4497  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  RSA600393  Avena sativa V. W. Steinmann 1996-4-13 829 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  RSA575988  Avena sativa Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  JOTR31822  Ayenia compacta La Doux, Tasha, Bill Truesdell 2007-11-9 2527 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  POM13868  Azolla filiculoides Philip A. Munz 1922-4-29 5099 Riverside Dripping Springs, near Temecula Creek 518 Comment
  CLARK-A1656-855  Baccharis emoryi Jon Mark Stewart 1983-11-14 83-61 Riverside Santa Rosa Mountains 822 Comment
  CHSC8378  Baccharis salicifolia Edward L. Smith 1957-4-3 257 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. Comment
  SEINET10892214  Baccharis salicifolia David B. Dunn, Howard Brown 1947-2-9 Dunn 2850 Riverside Pushawalla Canyon, Indio Hills. By Springs in canyon. Comment
  RSA0055739  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot, Cheryl S. Sevilla, Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. Southeast San Bernardino Mountains, San Gorgonio Wilderness Area. 770 Comment
  SD247573  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot, Cheryl Sevilla, Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. Southeast San Bernardino Mountains, San Gorgonio Wilderness Area. 769 Comment
  SD137908  Baccharis sarothroides Darin L. Banks, Steve Boyd 1995-10-17 780 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area along lower Arroyo Seco. 515 Comment
  UCR260956  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  CAS-BOT-BC99867  Baccharis sergiloides Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, Morongo Pass Road, Little San Bernardino Mountains Comment
  UC1518843  Baccharis sergiloides Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55384 Riverside 3.3 mi n of, west side of Whitewater Canyon Whitewater Post Office; San Bernardino Mts., Whitewater Canyon 594 Comment
  CLARK-A1528-1085  Baccharis viminea Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  RSA442012  Bahiopsis parishii Christopher Davidson, B. Gustafson 1977-4-7 5576 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  UCSB10341  Baileya multiradiata Yokoyama, Howard 1953-4-11 Riverside 9 miles east of Indio Comment
  POM49357  Bebbia juncea Philip A. Munz 1924-6-21 8203 Riverside Temecula Canyon. Comment
  RSA772537  Bebbia juncea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4437 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
  JOTR34261  Bebbia juncea var. aspera La Doux, Tasha, M. Harding 2010-4-7 2922 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UC30526  Bebbia juncea var. aspera W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1851 Riverside e base of San Jacinto Mt. 457 Comment
  RSA662539  Bergia texana J. C. Roos 1952-5-28 5730 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
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May 15 2016
  CAS-BOT-BC207048  Bernardia incana Annie M. Alexander 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts. 1036 Comment
  JEPS29488  Bernardia myricifolia Lauramay T. Dempster 1962-4-18 1900 Riverside Pinyon Flats, Palms-to-Pines Hwy. 1066 Comment
  SEINET8466122 Image available Bloomeria crocea N. Cooper 1944-7-16 1542 Riverside San Jacinto Mtn., Pine Cove. 1524 Comment
  UCR172714  Bloomeria crocea Jun Hu 2000-5-11 19 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA482681  Boechera californica R. S. Woglum 1941-6-12 3059 -A Riverside Idyllwild Comment
  POM763  Boerhavia coccinea I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA776753  Boerhavia coccinea Steve Boyd, Gary D. Wallace 2005-7-30 11657 -B Riverside Chino Canyon, southern base of the range, upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  UC465452  Boerhavia coccinea F. M. Reed 1917-5-19 3849 Riverside Colorado Desert, Palm Canyon Comment
  UCR163885  Boerhavia coccinea B. G. Pitzer 2001-8-19 4338 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR17654  Boerhavia coulteri Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR215582  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  UCR264219  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41866 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
  JOTR34997  Boerhavia wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3099 Riverside Joshua Tree National Park. Pinto Basin, Route 111, north of sand hills Comment
  CLARK-A1528-3315  Boisduvalia glabella John C. Roos 1952-5-14 5662 Riverside Edgemont 487 Comment
  PASA1886  Boisduvalia glabella Frank W. Peirson 1922-5-19 Riverside Menifee Valley 426 Comment
  SD255030  Bolboschoenus maritimus subsp. paludosus Duncan S. Bell 2015-8-12 8594 Riverside Colorado Deesrt; Chocolate-Chuckwalla Mountains region: Orocopia Mountains; southwestern section of the range; collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  UCR125471  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25684 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  UCR151361  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  CLARK-A1528-4503  Bouteloua aristidoides John C. Roos 1963-10-23 Riverside Chuckwalla Valley Comment
  SEINET3920214  Bouteloua aristidoides David Charlton 1988-2-18 1127 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn Rd.; 0 610 Comment
  UCR128942  Bouteloua aristidoides Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  POM192679  Bouteloua barbata Marcus E. Jones 1929-9-16 24717 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  JOTR16776  Bouteloua barbata var. barbata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE BETWEEN RYAN MOUNTAIN AND CAP ROCK 1310 Comment
  RSA716109  Bouteloua barbata var. barbata Michael Wall 2006-10-8 422 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  UC2026404  Bouteloua barbata var. barbata Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10048 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UC576358  Bouteloua barbata var. barbata H. S. Yates 1937-6-28 6732 Riverside Palm Springs San Jacinto Quadrangle 137 Comment
  UCR2194  Bouteloua curtipendula F. M. Reed 1933-5-31 10014 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 1372 Comment
  RSA561097  Bowlesia incana Steve Boyd, D. Bramlet, Timothy S. Ross 1993-5-12 7336 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
  UCR1532  Bowlesia incana R. L. Irwin 1962-4-15 29 Riverside Upper Santa Ana River/San Bernardino Valley Region, Sycamore Canyon, c. 1.4 mi. south of Pennsylvania Ave on Canyon Crest Dr. along creek 336 Comment
  OBI26116  Brandegea bigelovii David J. Keil 1976-12-12 11921 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  RSA0105943  Brandegea bigelovii Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  UC990933  Brandegea bigelovii D. F. Howe 1952-4-27 Riverside Box Canyon e of Mecca Comment
  RSA604866  Brassica tournefortii Scott D. White 1995-3-30 2647 Riverside San Jacinto Valley: Moreno Valley, hills ca. 0.7 air mile directly S of 60 freeway and west of bend in Moreno Beach Dr. 579 Comment
  RSA702942  Brassica tournefortii Scott D. White, Michael Honer 2004-3-11 9900 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  RSA772327  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4507 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA778626  Brassica tournefortii Duncan S. Bell 2009-3-8 67 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCR251653  Brassica tournefortii Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 984 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR272313  Brassica tournefortii Duncan S. Bell 2010-2-21 552 Riverside Eastern Mojave Desert, Palen/McCoy Wilderness area, large drainage on western section of range 452 Comment
  RSA770437  Brickellia atractyloides var. arguta Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4569 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CLARK-A1528-1670  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Mountains Comment
  JOTR33947  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2836 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
  UC843569  Brodiaea filifolia P. A. Munz and I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris 441 Comment
  CAS-BOT-BC483124  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15, Temescal Canyon Comment
  SBBG122775  Brodiaea terrestris subsp. kernensis A. Parikh 1990-5-17 175 Riverside W part of Mesa de Colorado, 0.3 km N of Avocado Mesa Rd, 0.1 km E of Via Volcano 632 Comment
  SEINET3922005  Bromus carinatus A. C. Sanders 2003-4-6 25945 Riverside San Vernardino/Santa Ana River Valley Region: Riverside.; 0 341 Comment
  UCD59232  Bromus carinatus var. marginatus Peter Kamb 1948-7-3 1140 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  RSA509525  Bromus catharticus Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  UCR108872  Bromus grandis Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR154825  Bromus hordeaceus A. C. Sanders, Mike Misenhelter 2005-3-23 29281 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR213304  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37698 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR92281  Bromus hordeaceus Scott D. White, M. D. Wilcox 1995-7-11 3472 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  VVC551  Bromus hordeaceus A. C. Sanders, J. Mac 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UCD58491  Bromus hordeaceus subsp. divaricatus E. W. Lathrop 1960-6-7 4850 Riverside 14 miles west of Murrieta. Comment
Read comments
Apr 28 2011
  UCSB9690  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  SEINET3923278  Bromus rubens Lydia Paneri 1982-4-17 53 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Hillside waste area.; 0 Comment
  RSA0080355  Bromus tectorum Steve Boyd 2011-3-29 12305 Riverside Southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch. 762 Comment
  UC519700  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside San Jacinto Mountains, Idyllwild Idyllwild; San Jacinto Mountains, Idyllwild 1676 Comment
  UCR241252  Bromus tectorum T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1206 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR58480  Bromus tectorum Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR42311  Bromus trinii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 171 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  CLARK-A1045-129  Calandrinia ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UCR250212  Calandrinia ciliata A. C. Sanders 2014-4-23 41062 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.1 km NW of Hwy 74 387 Comment
  UCD123504  Callitriche heterophylla var. bolanderi Robert F. Thorne; P. Munz, E. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau; Rancho, California. 670 Comment
  RSA33865  Calocedrus decurrens N. C. Cooper 1943-9-11 908 Riverside Dr. Robert L. Rutherford's Lot, Idlewild, 1676 Comment
  SD73470  Calochortus albus E. W. Lathrop 1969-5-18 7058 Riverside Santa Ana Mountains, 8 miles west of Murrieta, Santa Rosa Plateau bordering the Tenaja Road. In rocky soil of oak woodlands. Comment
  POM13073  Calochortus concolor E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
Read comments
Nov 5 2011
  RSA779939  Calochortus concolor Duncan S. Bell, Jennifer Pilapil, Jackie McConnaughy 2011-5-3 2376 Riverside Just off of the Pacific Crest Trail between Whitewater canyon and Mission Creek canyon; approximately 0.6 air miles northeast of Red Dome. 859 Comment
  CAS-BOT-BC483414  Calochortus invenustus Carl B. Wolf 1932-8-5 3966 Riverside On trail from Tahquitz Valley to San Jacinto Peak, fork of Tahquitz Creek, San Jacinto Mts. 2743 Comment
  UCR293  Calochortus plummerae Eugene Cardiff 1950-6-6 s.n. Riverside San Bernardino Valley region, Jurupa Hills 366 Comment
  JEPS61723  Calochortus splendens W. L. Jepson 1901-5-17 1228 Riverside Riverside 266 Comment
  POM17810  Calochortus splendens Philip A. Munz, D. D. Keck 1923-6-14 7094 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  UCR101433  Calochortus splendens A. C. Sanders 1997-4-10 20319 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR21917  Calochortus splendens Steve Boyd 1980-5-8 213 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR48513  Calycadenia tenella Steve Boyd 1986-5-7 1837 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UC963813  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside ca. 5 mi ne of, Joshua Tree National Monument Cottonwood Springs; Mojave Desert, Smoke Tree Wash 853 Comment
  SBBG54338  Calystegia macrostegia subsp. arida C. Davidson 1977-5-25 5655 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA413243  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. 350 Comment
  CLARK-A1045-170  Camissonia bistorta George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA465915  Camissonia bistorta P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UCR133167  Camissonia bistorta 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
  UCR138138  Camissonia bistorta D. L. Banks, V. W. Steinmann 1997-3-13 1454 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR162765  Camissonia bistorta S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR178151  Camissonia bistorta T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 908 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR260546  Camissonia bistorta T. B. Salvato, Matt Malle 2014-5-29 8024 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  CLARK-A1528-3319  Camissonia boothii John C. Roos 1949-4-19 4112 Riverside Mecca Comment
  UCR213396  Camissonia boothii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37465 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  HSC49197  Camissonia boothii subsp. condensata D. L. Goforth 1979-4-11 113 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA465991  Camissonia boothii subsp. condensata Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside Colorado Desert. East of Desert Center. Comment
  SEINET3093077 Image available Camissonia boothii subsp. desertorum Norman C. Cooper 1949-4-8 3298 Riverside Desert Center. Comment
  RSA134498  Camissonia californica Harlan Lewis, M. Lewis 1953-3-15 1610 Riverside Colorado Desert, Pushawalla Canyon in desert wash Comment
  UCR112554  Camissonia californica A. C. Sanders 1998-3-17 21740 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, south of Hemet 343 Comment
  UCR148463  Camissonia claviformis John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR17930  Camissonia confusa A. C. Sanders 1976-4-20 00646 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 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
  UCR44446  Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  POM48990  Camissonia hirtella P. A. Munz, I. M. Johnston 1924-7-29 8846 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA113258  Camissonia hirtella E. K. Balls 1955-4-4 20429 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  UCR213569  Camissonia hirtella A. C. Sanders, Matthew Malle 2010-4-23 37995 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR231813  Camissonia hirtella Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 12 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  RSA782529  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside 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. 465 Comment
  UCR251711  Camissonia ignota T. B. Salvato 2014-4-9 7837 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  RSA449034  Camissonia lewisii Christopher Davidson 1973-4-1 1819 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA700062  Camissonia pallida Scott D. White, Michael Honer 2003-4-25 9092 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  POM259680  Camissonia pallida subsp. hallii P. A. Munz 1940-3-22 15660 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA186574  Camissonia pallida subsp. hallii Peter H. Raven 1962-4-7 17109 Riverside Whitewater Canyon 2.7 miles from U.S. Highway 70-99. Comment
  RSA698245  Camissonia pallida subsp. hallii J. R. Bruff 1928-4-2 84 Riverside Whitewater. Comment
  RSA449046  Camissonia refracta E. C. Jaeger 1922-3-29 725 Riverside Box Canon, near Mecca, Colorado Desert 91 Comment
  UC454581  Camissoniopsis bistorta I. J. Condit 1910-6-24 Riverside Idyllwild San Jacinto Mts. 914 Comment
Read comments
Mar 21 2011
  SDSU3364  Camissoniopsis hirtella H. Wedberg 1958-5-17 300 Riverside 7.4 miles from Banning railroad station on road to Idyllwild. Comment
  UCSB41279  Camissoniopsis micrantha Cowan, Clark 1978-4-25 Riverside 0.4 mi (0.6 km) off Hwy 74 on Morris Ranch Rd., 4.3 mi (6.9 km) N on 74 from jct w/ 371, San Bernardino Nat. Forest Comment
  UCSB12572  Camissoniopsis pallida subsp. pallida Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon near Los Angeles Aqueduct Comment
  UCR59683  Capsella bursa-pastoris Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2984 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR93026  Capsella bursa-pastoris G. P. Schultz 1994-4-7 84 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  SEINET2049002 Image available Carduus pycnocephalus Rand C. Isbell 1970-5-23 9 Riverside Box Springs Mountains, Found on slopes on eastern sides of the mountains. 671 Comment
  POM289945  Carex alma Lyman Benson 1932-3-26 3165 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
  RSA788094  Carex barbarae Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  CAS-BOT-BC20700  Carex fracta Mary F. Spencer 1919-6-19 s.n. Riverside San Jacinto Mountains. Idyllwild. 1615 Comment
  SEINET7485220 Image available Carex fracta P. F. Zika, Nick Otting 2010-1 25298 Riverside N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest 1910 Comment
  UC72160  Carex fracta H. M. Hall May 17 1901 - Jun 1 1901 2665 Riverside Strawberry Valley, San Jacinto Mountain 1600 Comment
  POM319473  Carex multicaulis Patricia Wilder 1968-7-5 4326 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  UC1130  Carex nebrascensis H. M. Hall 1901-7 2484 Riverside Tamarack Valley San Jacinto Mountains 2743 Comment
  POM14380  Carex praegracilis Phillip A. Munz 1922-7-4 5971 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA192172  Carex praegracilis E. W. Lathrop 1960-6-9 4959 Riverside 14 miles west of Murrieta. Comment
  RSA88858  Carex praegracilis F. W. Peirson 1922-5-20 3062 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  SD181802  Carex triquetra Scott D. White, Sandy Leatherman 2000-5-31 7974 Riverside Santa Ana Mountains/ Santa Rosa Plateau: Near Squaw Mountain. 640 Comment
  SEINET3074273 Image available Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca. 0.5 miles SW of the pumping station. 410 Comment
  UCR60832  Castela emoryi Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1338 Riverside Sonoran (Colorado) Desert, Shavers Valley, Colorado Desert: NW end of Hayfields Dry Lake Comment
  SBBG26800  Castilleja affinis subsp. affinis C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4729 Riverside Perris to Gavilan Pk 600 Comment
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Nov 8 2011
  UC885203  Castilleja affinis subsp. affinis C. B. Clokey, I. W. Clokey, and B. Templeton 1930-4-15 4729 Riverside Perris to Gavilan Peak 182 Comment
  LA209196  Castilleja applegatei Norman C. Cooper; 1944-6-17 1418 Riverside San Jacinto Mountains, Andreas Canyon watershed, San Jacinto Mts above Banning 1371 Comment
  UCR124653  Castilleja exserta B. C. Templeton, I. W. Clokey 1930-4-9 1070 Riverside Moreno Badlands, Moreno Grade, west of Beaumont 600 Comment
  UCR154640  Castilleja exserta A. C. Sanders, T. B. Salvato 2005-4-28 29770 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  CSUSB894  Castilleja foliolosa Steve Kulju 1974-5-9 Riverside Jack Rabbit Trail, one mile south of U.S. Highway 60. 487 Comment
  JEPS16163  Castilleja foliolosa Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4073 Riverside halfway between Santa Rosa Mountains and San Jacinto Mts. (along the Palms-to-Pines Hwy (CA Hwy 74), above Seven Level Hill, w slopes of Deep Canyon, bordering w Coachella Vlly); Deep Canyon, Coachella Valley 1066 Comment
  RSA519243  Castilleja foliolosa Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR245900  Castilleja foliolosa R. F. Thorne 1995-3-29 63006 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  POM250367  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs. Comment
  UC885440  Castilleja minor subsp. spiralis Crawford and Johnston 1917-6-9 1222 Riverside near Corona; Santa Ana River Comment
  UCR22079  Caucalis microcarpa Steve Boyd 1980-5-3 193 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR104610  Caulanthus heterophyllus B. G. Pitzer 1997-4-11 3117 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR281485  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 88 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  RSA659378  Caulanthus heterophyllus var. heterophyllus Bruce Albert 1982-4-17 71 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  LA51431  Caulanthus simulans H. Lewis; 1935-4-6 sn Riverside Palm Springs 152 Comment
  CAS-BOT-BC56931  Ceanothus Steve Boyd; Tim Ross 1993-3-23 7894 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  UC1611558  Ceanothus Steve Boyd, Chris Frazier 1993-4-24 8013 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 1000 Comment
  CAS-BOT-BC48456  Ceanothus crassifolius P. C. Everett 1935-6-17 7151 Riverside Santa Ana Mts., Coldwater Can. trail to Santiago Pk., 2 mi. above Glen Ivy Resort Comment
  RSA517104  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3098 Riverside Vail Lake area, 1 mi W of lake. 609 Comment
  RSA606778  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27429 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR174966  Ceanothus crassifolius Teresa Nieto 2005-4-24 21 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA500225  Ceanothus greggii var. perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3251 Riverside Anza Valley, along Hwy 371, 0.5 mi S of jtn with Hwy 74. Comment
  RSA399317  Ceanothus leucodermis E. Crow 1929-4-21 340 Riverside Hills west of Lake elsinore Comment
  UCR161149  Ceanothus leucodermis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCSB4009  Ceanothus leucodermis Gill, Robert 1960-3-23 Riverside Snow Canyon - near end of road 563 Comment
  POM254866  Ceanothus megacarpus W. Pequegnat 1940-6-18 s.n. Riverside Santa Ana Mts. Sierra Peak. Comment
Read comments
Jun 10 2012
  UCR92190  Ceanothus oliganthus subsp. oliganthus D. L. Banks, Steve Boyd 1995-3-16 0099 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  CAS-BOT-BC51922  Ceanothus perplexans R. F. Hoover 1969-4-13 11227 Riverside Pinyon Flat, San Jacinto Mts. Comment
  UCR163402  Ceanothus perplexans O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  CAS-BOT-BC63251  Ceanothus tomentosus var. olivaceus R. Bacigalupi 1935-3-28 2336 Riverside Along U.S. Highway 99, 5 mi. e. of Redlands. Comment
  CLARK-A1656-865  Cenchrus echinatus Jon Mark Stewart 1983-10-24 Riverside Palm Desert Comment
  UCR95727  Cenchrus incertus D. L. Banks, Lauren Raz 1996-8-29 1133 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  UCR172763  Centaurea melitensis Abby Sirulnik, Ian G. Gillespie 2000-5-14 40 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  RSA650569  Centaurium venustum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 250 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
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Dec 15 2011
  UCR217652  Centromadia pungens subsp. laevis Karyn L. Drennen 2010-6-10 11 Riverside Santa Ana Mountains foothills, Murrieta Creek, 320 m southeast of Clinton Keith Road bridge. 363 Comment
  SEINET7063562  Centrostegia thurberi A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 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
  RSA651716  Cercidium floridum Viki Cruz 1983-5-8 003 *k Riverside Collected 10 ft. from main entrance to Living Desert Reserve. Palm Desert. 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
  POM14551  Cercidium floridum Alice Eastwood 1913-4-30 3004 Riverside Palm Springs. Comment
  CLARK-A1528-4051  Cercocarpus betuloides K. R. Montgomery 1969-9-6 Riverside Reed Valley 1219 Comment
  UCR35158  Cercocarpus betuloides L. B. Ziegler 1972-4-8 446 Riverside San Jacinto Mtns, S side of Thomas Mtn 1829 Comment
  RSA503409  Chaenactis artemisiifolia J. D. Olmsted 1962-5-10 3645 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  RSA519237  Chaenactis artemisiifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  CAS-BOT-BC276392  Chaenactis carphoclinia John H. Thomas 1957-3-30 6561 Riverside 8.1 miles E of Cactus City, about 20 miles E of Coachella, Colorado Desert 426 Comment
  RSA0014597  Chaenactis carphoclinia Justin M. Wood 2010-4-30 1551 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  JOTR30662  Chaenactis carphoclinia var. carphoclinia Andre, Jim, Tasha La Doux 2008-3-21 8839 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  JOTR37424  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha 2016-3-9 3659 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  POM13051  Chaenactis carphoclinia var. carphoclinia Philip A. Munz, D. D. Keck 1922-4-9 4842 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  POM307228  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1993 Riverside Colorado Desert, North of Blythe Comment
  POM351665  Chaenactis carphoclinia var. carphoclinia M. B. Dunkle 1935-4-17 4558 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA776820  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1093 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  UC218055  Chaenactis carphoclinia var. carphoclinia P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4842 Riverside Corn Springs Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  UC724353  Chaenactis carphoclinia var. carphoclinia Aven Nelson, Ruth A. Nelson 1939-3-29 3324 Riverside Hidden Springs Canyon; near Palm Grove Comment
  UCR177856  Chaenactis fremontii Marisa Sripracha, K. A. Boyd 2004-3-21 039 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR180387  Chaenactis fremontii Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11275 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  UCR256801  Chaenactis glabriuscula T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7867 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  HSC85397  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  RSA615322  Chaenactis glabriuscula var. glabriuscula Scott D. White 1997-5-25 5222 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  SBBG65575  Chaenactis glabriuscula var. glabriuscula M. N. Ackley 1928-3-11 280 Riverside near Cabazon, San Gorgonio Pass 609 Comment
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Mar 13 2011
  UC63012  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3851 Riverside vicinity of Riverside 457 Comment
  UC63018  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1902-4-21 2933 Riverside vicinity of Riverside 274 Comment
  UC1543221  Chaenactis glabriuscula var. lanosa Donald G. Nelson 1936-5-21 381 Riverside n Mt. Thomas (e of Lake Hemet, slopes just n of meadow in valley just e of Hurkey Creek Camp area, San Jacinto Mountains); San Jacinto Mountains, e of Lake Hemet, n of Mt. Thomas Comment
  SD114994  Chaenactis parishii Fred T. Sproul Unknown 147 Riverside Santa Rosa Mountains Comment
  UC1463879  Chaenactis parishii Jeanine Derby 1976-6-29 Riverside Quinn Flats San Jacinto Mts., Garner Valley 1371 Comment
  RSA19431  Chaenactis stevioides var. stevioides I. W. Clokey 1935-4-17 6942 Riverside Cottonwood Springs. Comment
  RSA0020039  Chamaesyce abramsiana Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6011 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA525447  Chamaesyce albomarginata Steve Boyd, Dave Bramlet 1990-4-29 4492 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA655082  Chamaesyce micromera Scott D. White 1999-10-19 7627 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
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Dec 10 2011
  RSA784753  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2012-2-12 3097 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA0080444  Chamaesyce polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA432485  Chamaesyce polycarpa Ora M. Clark 1929-3-17 1745 Riverside Palm Springs. Comment
  SBBG35071  Chamaesyce polycarpa T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UC195031  Chamaesyce polycarpa Joseph Grinnell 1910-3-17 Riverside Colorado River, Riverside Mtn Comment
  CDA35278  Chamaesyce serpillifolia subsp. serpillifolia Louis C. Wheeler 1965-6-27 8692 Riverside Corona: Overboltzer s Grove. 0 Comment
  RSA569536  Chamaesyce setiloba E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  POM12437  Cheilanthes newberryi Philip A. Munz 1922-4-30 5127 Riverside Hemet Butte Comment
  RSA180256  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta. Comment
  RSA757446  Cheilanthes newberryi R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55225 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  CAS-BOT-BC70333  Cheilanthes parryi Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon, 4 miles east of Palm Springs Comment
  POM120575  Cheilanthes parryi Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  SEINET5777365 Image available Cheilanthes parryi G. R. Vasey 1881-1 Riverside Whitewater Comment
  UC366532 Image available Cheilanthes viscida J. G. Lemmon 1824-1 Riverside White Water River; Colorado Desert Comment
  UC668413  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-22 2060 Riverside Whitewater Canyon; Colorado Desert 548 Comment
  UCR113721B  Chenopodium Mitch Provance 2000-7-30 2171 B Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  SEINET5544053  Chenopodium album H. S. Gentry 1954-1 14247 Riverside Near Aguanga. Comment
  POM10387  Chenopodium ambrosioides F. M. Reed 1904-1 15 Riverside Riverside Comment
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Jul 4 2010
  UCR103221  Chenopodium berlandieri Scott D. White 1994-10-17 2464 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR108834  Chenopodium botrys O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  HSC4382  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside About 5 mi. NE of Aguanga Comment
  RSA60836  Chenopodium californicum Frank W. Gould 1944-4-5 2231 Riverside 17 miles east of Temecula. Comment
  RSA549246  Chenopodium rubrum A. C. Sanders, O. F. Clarke 1991-10-5 11741 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  RSA0011036  Chilopsis linearis Kristin Forgrave, Sarah De Groot 2013-6-4 13 Riverside Box Canyon Rd near Salton Sea, by end of rocks 67 Comment
  RSA736799  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD237355  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast: San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden. 449 Comment
  SBBG7240  Chilopsis linearis subsp. arcuata H. and M. Dearing 1940-6-7 4331 Riverside 7 mi N Palm Springs Comment
  UCR147667  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11264 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  SEINET3004919  Chloracantha spinosa G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10337 Riverside Canal two miles north of Blythe. 70 Comment
  CDA1886  Chloris gayana S. Morgan 1997-12-5 s.n. Riverside UCR Botanical Garden, east side of the UCR campus, south of the pond, near the Rutaceae section, in cell blocks J8 & K8. Comment
  UCR10807  Chlorogalum pomeridianum Ruth Cooper 1968-5-18 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR59751  Chorizanthe coriacea Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3093 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  UCD99663  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  UCR13297  Chorizanthe corrugata O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, Plateau above Box Canyon, along State Hwy 195, c. midway between Hwy I-10 and the Salton Sea Comment
  UCR245669  Chorizanthe fimbriata Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-27 393 Riverside [SW of Vail Lake] east of Woodchuck Road, roadside, near alluvial bench next to Kolb Creek 495 Comment
  CAS-BOT-BC191256  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1812 Riverside Bachelor Mtn.: Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  POM13287  Chorizanthe parryi var. parryi E. C. Jaeger 1920-3-25 1058 Riverside Palm Springs. Comment
  UCR260596  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41473 Riverside San Gorgonio Pass, north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 mi. ENE (77 deg. ) of water bottling plant, north edge of wind farm 451 Comment
  UCR78331  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-5 2341 Riverside Lake Matthews, Ridgeline above Dawson Canyon, 670 m north of the canyon. 732 m east of the existing landfill weigh station 439 Comment
  CAS-BOT-BC257187  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR249922  Chorizanthe polygonoides var. longispina A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36791 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR252763  Chorizanthe polygonoides var. longispina John Dvorak 2011-4-6 011 Riverside Perris Aguanga Basin, Bundy Canyon Road, approximately 80 meters north of intersection with Oak Circle Drive, in mowed/disturbed firebreak buffer 490 Comment
  RSA525433  Chorizanthe staticoides Steve Boyd, Dave Bramlet 1990-4-29 4478 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA586721  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-17 0444 A Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area; along the Dripping Springs Trail. 671 Comment
  SEINET6894766  Chorizanthe staticoides W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  UCR94948  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 bridge 900 Comment
  POM351972  Chrysothamnus nauseosus subsp. bernardinus N. R. Zabriskie, W. M. Zabriskie 1971-8-21 434 Riverside Toro Peak, Santa Rosa mtns 2657 Comment
  RSA797253  Chrysothamnus nauseosus subsp. bernardinus R. F. Thorne, Walter Wisura 1977-9-17 50791 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  JOTR30292  Chrysothamnus nauseosus subsp. mohavensis Andre, Jim, Tasha La Doux 2007-9-6 8703 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  SEINET3146291  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert; Whitewater Wash, 3 mi SE Palm Springs Station 305 Comment
  RSA799240  Chylismia brevipes subsp. brevipes Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 748 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UCR91726  Cirsium occidentale var. occidentale A. C. Sanders, J. Goetzen 1996-5-1 18128 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CAS-BOT-BC280420  Cirsium ochrocentrum John Thomas Howell 1952-10-24 28863 Riverside Bridges Ranch near Beaumont Comment
  UCR27069  Cirsium scariosum T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
  RSA708171  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA0019617  Cistanthe ambigua Michael Wall 2009-4-5 s.n. Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  UCR87910  Clarkia dudleyana A. C. Sanders 1994-5-29 14568 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  SBBG104720  Clarkia purpurea M. A. Patten 1992-5-28 92 -11 Riverside just E of Temecula, between Pauba Rd and De Portola Rd; W boundary of site adjacent to Butterfield Stage Rd 365 Comment
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Aug 24 2013
  RSA678934  Clarkia purpurea subsp. quadrivulnera Scott D. White, Michael Honer 2003-6-3 9477 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA771879  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  POM17813  Clarkia rhomboidea P. A. Munz 1923-6-14 7091 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  UCR121695  Claytonia parviflora A. C. Sanders 2002-5-4 25040 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  UCR59680  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2975 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  RSA525403  Claytonia perfoliata Steve Boyd, David E. Bramlet 1990-4-29 4504 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR120156  Claytonia perfoliata Mitch Provance 1998-2-28 124 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  UCR214129  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37743 A 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-15 438 Comment
  UCR16946  Clematis ligusticifolia Helen Leach 1966-11-1 c661101- 2 Riverside Pedley Rd., City of Mira Loma Comment
  RSA522769  Clematis pauciflora Steve Boyd, Tim S. Ross, Laurel Arnseth 1990-3-29 3876 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
  UC213052  Clematis pauciflora A. J. McC. 1892-4-2 66 Riverside Elsinore Comment
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Aug 5 2010
  RSA6638  Cleome isomeris B. D. Stark 1932-6-15 1523 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  UCR106354  Cnicus benedictus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR107404  Cnicus benedictus B. G. Pitzer 1997-3-23 2976 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  SBBG28834  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Hwy (St Hwy 74) 1371 Comment
  RSA559444  Collinsia heterophylla Steve D. Boyd 1992-4-15 6868 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR48510  Collinsia heterophylla Steve Boyd 1986-4-2 1616 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UC520002  Conium maculatum Joseph Andorfer Ewan 1932-7-9 7493 Riverside 1 mi n of Rincon (in Chico Creek at Santa Ana River); Santa Ana River, Chico Creek Comment
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Nov 6 2011
  UCR241782  Convolvulus simulans A. C. Sanders, Timothy W. Chumley 2013-3-29 40718 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, 0.91 km NW of Riverside Dr./Hwy 74 403 Comment
  POM13739  Corallorhiza maculata E. C. Jaeger 1921-7-6 1162 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA230836  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1933-8-21 6904 Riverside Jinlleri Creek. 1500 Comment
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Oct 30 2011
  RSA50573  Cordylanthus nevinii E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  UCR193917  Cordylanthus rigidus A. C. Sanders, Mitch Provance 2008-7-11 35764 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA773040  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5041 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  CAS-BOT-BC287881  Coreopsis californica J. T. Howell 1929-2-14 1232 Riverside Temescal Canyon 2 miles S of Glen Ivy Comment
  JEPS20102  Corethrogyne filaginifolia Peter H. Raven with R. Snow 1957-7-26 11082 Riverside 6.5 mi n of road to Twin Pines Ranch (Banning to Idyllwild Road, San Jacinto Mountains); San Jacinto Mountains Comment
  RSA192329  Corethrogyne filaginifolia E. W. Lathrop 1966-9-14 6596 Riverside 3 miles SW of Murrieta. Comment
  POM667082  Coryphantha alversonii Clarence Bonner, Alice Bonner 1961-12-1 s.n. (M E) Riverside Eagle Mountain Range: East end of the Eagle Mountains near Eagle Mountain pumping station, Metropolitan Water District Aqueduct. 305 Comment
  SDSU13950  Crassula aquatica Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2091 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR110454  Crassula aquatica D. E. Bramlet 1998-4-22 2606 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  RSA678342  Crassula connata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10479 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR232040  Cressa truxillensis John F. Green 2008-4-22 04- 05 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  CAS-BOT-BC181568  Crossosoma bigelovii Annie M. Alexander; Louise Kellogg 1941-2-28 1877 Riverside Andreas Canyon, San Jacinto Mountains 365 Comment
  UCR102749  Crossosoma bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3562 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  JEPS48731  Croton californicus Marjorie D. Clary 1932-5-26 942 Riverside T. & K. ranch Mission Creek Comment
  RSA480573  Croton californicus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside. Comment
  SEINET9252911 Image available Croton californicus Ronald L. Hartman, Fred Seaman 1972-3-23 3232 Riverside Hwy 111, 2 mi N of Palm Springs Comment
  SJSU1875  Croton californicus J. W. Tilden 1957-4-18 1092 Riverside near Whitewater, E of San Gorgonio Pass Comment
  CDA35285  Croton californicus var. mohavensis A. C. Browne 1952-4-23 Riverside Palm Springs 0 Comment
  CLARK-A1528-2689  Croton californicus var. tenuis John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  SDSU13548  Croton setiger W. Miller, C. Mosse 1972-7-12 Riverside N.W. corner, roadside. Comment
  UCR111984  Croton setiger A. C. Sanders, T. B. Salvato 2000-5-25 23413 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR136164  Croton setiger A. C. Sanders 2004-6-20 28217 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
  UCR193132  Cryptantha A. C. Sanders, Tim Thomas 2008-6-20 35527 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR258006  Cryptantha Mitch Provance 2003-4-5 403- 01 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of 'Noname Mtn.' 755 Comment
  JEPS67465  Cryptantha angustifolia W. L. Jepson 1914-5-24 6062 Riverside Palm Springs, e base Mt. San Jacinto Colorado Desert, Mt. San Jacinto 121 Comment
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA778224  Cryptantha angustifolia Duncan S. Bell 2009-3-7 29 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
  UC280442  Cryptantha angustifolia Childs May 1920 Riverside e of Coachella Comment
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Nov 19 2011
  UCR214415  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37503 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  JEPS67483  Cryptantha barbigera W. L. Jepson 1927-4-12 11676 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  JOTR30311  Cryptantha barbigera La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1744 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  RSA784966  Cryptantha barbigera Duncan S. Bell 2012-3-18 3230 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  SBBG92252  Cryptantha barbigera D. F. Howe 1980-4-16 Riverside 8.5 mi S of Hwy 10 on Cornsprings Rd, Chuckwalla Mtns 550 Comment
  UCR50382  Cryptantha barbigera F. R. Fosberg 1929-3-30 S- 00718 Riverside Western Colorado Desert/ San Jacinto Mtns, Palm Springs, Andreas Canyon Comment
  RSA777765  Cryptantha barbigera var. barbigera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1086 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UCR269846  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2016-3-18 42376 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  JEPS67519  Cryptantha circumscissa Marjorie D. Clary 1932-5-26 1170 Riverside Pleasant Valley Hexie Mts. Comment
  UCR214334  Cryptantha corollata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38373 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
  UCR281802  Cryptantha corollata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-24 517- 125 Riverside Menifee Valley, Menifee, S. side of Bundy Canyon Rd., vicinity of 'Moss Road'. 527 Comment
  RSA774985  Cryptantha costata Duncan S. Bell 2011-4-7 2177 B Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well, or approximately 4.3 air miles southwest of the ghost town of Rice. 339 Comment
  SEINET12280754  Cryptantha costata Unknown 1936-1 12813 Riverside foothills of San Jacinto Mts, S of Palm Springs Comment
  RSA712691  Cryptantha decipiens George K. Helmkamp 1984-5-2 D- 27 Riverside Big Morongo Canyon, 3 - 3.5 miles below the caretakers s house at the Big Morongo Preserve. 549 Comment
  UC1178553  Cryptantha decipiens Peter Kamb 1948-4-11 881 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  POM212930  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  RSA747281  Cryptantha intermedia Orlando Mistretta 1992-6-10 522 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  SBBG28617  Cryptantha intermedia D. Myrick 1964-4-30 812 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  SEINET3084398 Image available Cryptantha intermedia Andrew C. Sanders 1986-6-1 6538 Riverside San Jacinto Mountains, along the trail to Spitler Peak from the 'Herkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1706 Comment
  UC164377  Cryptantha intermedia H. M. Hall Jul 1901 2250 a Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  UCR101789  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1322 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR226053  Cryptantha intermedia A. C. Sanders, Nathan Moorhatch 2011-3-22 38770 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  RSA650992  Cryptantha intermedia C. J. Humphrey, H. Humphrey 1936-6-6 373 Riverside Probably from Riverside Comment
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Dec 15 2011
  SEINET10456281  Cryptantha intermedia Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7144 Riverside Scattered Yellow Pine at margin of large valley, 5.9 mi SE of jct of Idlewild Road & Hwy 74 on 74. 1341 Comment
  SDSU21016  Cryptantha juniperensis A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of 1-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. (Lake Mathews 7.5'). Sandy benches above wash. 317 Comment
  RSA781653  Cryptantha maritima Duncan S. Bell 2009-3-8 74 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  UCR213258  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37451 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
  UCR233178A  Cryptantha maritima Jim Andre, Glenn L. Clifton 2011-2-22 17430 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UC573635  Cryptantha micrantha H. S. Yates 1937-3-23 5394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC857178  Cryptantha micrantha Lewis S. Rose 1937-4-10 37152 Riverside La Quinta 0 Comment
  POM12212  Cryptantha micrantha var. lepida Mary F. Spencer 1921-6-2 1864 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  POM12804  Cryptantha micrantha var. lepida P. A. Munz 1922-6-26 5839 Riverside Santa Rosa Mtns. Santa Rosa [peak?] 1982 Comment
  RSA511347  Cryptantha micrantha var. lepida B. Pitzer 1988-3-12 662 Riverside Santa Rosa Mtns., Pinyon Flats Campground. 1220 Comment
  SEINET4073493  Cryptantha micrantha var. lepida C. Davidson 1975-1 2819 Riverside Two miles north of Alandale Station on road R1 from Idylwild to Banning. 1645 Comment
  UCR138583  Cryptantha micrantha var. micrantha Steve Boyd, Orlando Mistretta 1986-3-13 1429 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  RSA180398  Cryptantha microstachys E. W. Lathrop 1965-5-9 5718 Riverside 6 miles W of Murrieta Comment
  UCR139149  Cryptantha microstachys S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  UC24695  Cryptantha muricata H. M. Hall 1901-6-1 2052 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR174132  Cryptantha muricata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32635 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA0079249  Cryptantha muricata var. jonesii D. L. Banks, S. D. Boyd 1995-5-3 261 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA0079412  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4032 B Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0079426  Cryptantha muricata var. jonesii Robert Gustafson 1983-4-18 2501 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA0079565  Cryptantha muricata var. jonesii J. T. Howell 1927-8-2 s.n. Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA0079554  Cryptantha muricata var. muricata Christopher Davidson 1975-6-16 2810 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  UCR193359  Cryptantha nemaclada A. C. Sanders, Tim Thomas 2008-6-20 35550 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA480005  Cryptantha nevadensis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2138 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  SD240924  Cryptantha nevadensis Dave Silverman, A. Sanders, J. Duffels, R Dwerlkotte and T. Beyerl 2010-3-30 7822 Riverside Southwest flank of Palen Mountains bajada, along Palen Dunes drive, 4.6 km N of I-10, 9 km ESE of Sidewinder Well. 135 Comment
  CLARK-A1528-2220  Cryptantha pterocarya John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA0106759  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Amanda Turek 2009-3-29 142 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  RSA0123760  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-9 8864 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  UCR279373  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-24 42954 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  CLARK-A1656-826  Cryptantha racemosa Jon Mark Stewart 1983-2-4 Riverside Palm Desert 365 Comment
  RSA99143  Cryptantha racemosa Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UCR17933  Cryptantha utahensis A. C. Sanders 1976-4-20 00209 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  SEINET3082941 Image available Cucurbita palmata Unknown 1965-3-7 Riverside Directly 3 miles s of Palm Desert on Palms to Pine highway 122 Comment
  RSA525320  Cuscuta californica Steve Boyd, D. E. Bramlet 1990-4-29 4474 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR21937  Cuscuta californica var. californica Steve Boyd 1980-5-11 220 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CLARK-A1528-410  Cycloloma atriplicifolium Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  SEINET11044078 Image available Cylindropuntia californica var. parkeri Marc A. Baker, Emily Mastrelli 2015-4-20 18330 Riverside The Badlands 600m SSW of the intersection of San Timoteo Canyon Road and Redlands Blvd., 23 km ENE of central Riverside, 20 km SE of central San Bernardino 567 Comment
  JOTR35427  Cylindropuntia chuckwallensis Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-11 130 Riverside Joshua Tree National Park. Eagle Mountains; Eagle Mountain peak 1630 Comment
  UCR63622  Cymbalaria muralis B. G. Pitzer 1990-8-5 1478 Riverside University of California / Riverside Botanic Garden, near the border between grid cells F-6 and G-6. Growing out of cracks of granite on the SE side of the trail, about 50 ft west of the main trail up Alder Canyon 396 Comment
  SD187314  Cynodon dactylon Scott D. White, Angelia Carey 2004-4-16 10167 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  POM228970  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA0088440  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA522103  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3796 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR92057  Cyperus involucratus Scott D. White 1996-3-31 3853 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
  RSA289840  Cyperus odoratus B. A. Prigge 1980-9-17 4074 Riverside Coachella Valley Stormwater Channel: 1.5 miles N of Coachella where Dillon Road crosses channel. -12 Comment
  UCR189290  Cyperus odoratus Fred M. Roberts, S. Leatherman 2007-9-19 6595 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SEINET10811894  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12865 Riverside South of Joshua Tree National Park and north of the Salton Sea, on unlabelled east-west road (called 66th Avenue in Mecca) between I-10 and Mecca. Comment
  CLARK-A1528-2765  Dalea californica John C. Roos 1937-6-15 445 Riverside Palm Springs Comment
  RSA404183  Dalea mollis L. H. Jones 1910-3-18 s.n Riverside Riverside Mountain, near the Colorado River. Comment
  UCR138565  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1468 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR228169  Dalea mollis Dave Silverman, Mark Bibbo 2010-3-30 7891 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 2.0 km W of Black Creek Rd, 6.5 km E of McCoy Pk, and 4.9 km north of I-10 183 Comment
  RSA23219  Dalea mollissima Ernest Braunton 1940-4-3 2011 Riverside 25 miles Northeast of Indio. Comment
  SD11890  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Santa Rosa Mts, near Santa Rosa 1830 Comment
  RSA500208  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3535 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR3432  Daucus pusillus John Minnich 1964-5-3 64-05-03# 3 Riverside Box Springs Mtns, Riverside, Box Springs Mtns, Two Trees Cyn at end of Two Trees Rd. 367 Comment
  SEINET13943946 Image available Daucus pusillus H. B. Frost 1914-1 H. B. F. 1328 a & b Riverside Riverside C.E.S. Comment
  JEPS12592  Deinandra fasciculata W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1576 Riverside Temescal Wash Comment
  SDSU4604  Deinandra fasciculata Charles F. Phleger 1962-5-23 Riverside 25 miles north of Escondido. Comment
  CAS-BOT-BC294104  Deinandra kelloggii H. M. Hall 1901-6-1 2420 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  RSA398676  Delphinium parishii Anstruther Davidson 1924-1 s.n. Riverside [Unspecified] Comment
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Nov 17 2011
  RSA0020479  Delphinium parishii subsp. parishii N. C. Cooper 1944-4-8 1070 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA525676  Delphinium parryi Steve Boyd 1990-5-3 4548 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR140299  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR240629  Delphinium parryi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 427 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR104157  Delphinium parryi subsp. parryi Scott D. White 1997-5-25 5230 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
  RSA559417  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SBBG47465  Dendromecon rigida N. C. Cooper 1944-6-17 1414 Riverside above Banning 1219 Comment
  RSA433239  Dendromecon rigida subsp. rigida N. C. Cooper 1945-5-5 2260 Riverside San Gorgonio Mountains above Banning. 1067 Comment
  RSA286820  Deschampsia danthonioides R. F. Thorne 1974-5-23 44666 Riverside Santa Rosa Plateau, Rancho California: top of Mesa de Colorado 625 Comment
  UCR220342  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  POM162736  Deschampsia elongata Ralph Hoffmann 1929-9-7 32 Riverside Strawberry Valley, San Jacinto Mountains. 1646 Comment
  RSA263755  Dicentra chrysantha E. W. Lathrop 1973-04 6884 Riverside 4 miles betw. Tin Mine Canyon and Santiago Peak, Skyline Drive 732 Comment
  RSA433550  Dicentra chrysantha Robert Gustafson 1983-4-18 2499 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  CAS-BOT-BC500852  Dichelostemma capitatum Ivan Johnston 1917-4-4 1077 Riverside Palm Canyon, Colorado Desert Comment
  IRVC57  Dichelostemma capitatum subsp. capitatum D. C. 1965-4-28 HS 0093 Riverside Palm Springs. Comment
  CAS-BOT-BC150923  Diplacus bigelovii var. bigelovii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2162 Riverside Palen Pass at the N. end of the Palen Mtns. 50 Comment
  CAS-BOT-BC150926  Diplacus bigelovii var. bigelovii Ira L. Wiggins 1937-3-9 8763 Riverside 5 miles west of Shaver's Well Comment
  RSA0019282  Diplacus brevipes Scott D. White, Justin M. Wood 2009-5-22 12909 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds. Comment
  RSA0019411  Diplacus fremontii P. A. Munz 1927-5-21 10865 Riverside Coahuila. Comment
  SEINET14453131  Diplacus longiflorus C. L. Hitchcock 1940-1 6044 Riverside 8 miles northwest of Elsinore 457 Comment
  RSA0018420  Diplacus longiflorus var. calycinus D. C. Michener, Walter Wisura 1982-7-15 4063 -A Riverside Granitic rock cut 0.4 mi. south of Poppet Flat rd. on CA 243. Comment
  SBBG541  Distichlis spicata H. and M. Dearing 1936-12-25 Riverside near Thousand Palms Comment
  UCR245067  Ditaxis neomexicana A. C. Sanders, T. B. Salvato 2012-10-12 40407 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  UCR245249  Ditaxis neomexicana Jim Andre 2012-3-19 21298 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  JOTR35390  Dithyrea californica Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 178 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  RSA0040166  Dithyrea californica Sarah J. De Groot, April Garbat 2013-3-28 6996 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  RSA30866  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  RSA311338  Dithyrea californica R. F. Thorne 1963-3-29 32385 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 13 2011
  UC205844  Dithyrea californica S. B. Parish 1919-3-27 19192 Riverside Whitewater <?> Colorado Desert 304 Comment
  SEINET5342915  Dithyrea californica N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-22 6453 Riverside Rice Valley, 7 miles south-southwest of Rice. 274 Comment
  CAS-BOT-BC412630  Dodecahema leptoceras Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA586876  Dodecahema leptoceras D. L. Banks, S. D. Boyd 1995-5-3 250 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
  UCR216393  Dodecatheon clevelandii Mike Bell 2008-3-30 021 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  POM160111  Draba cuneifolia var. integrifolia E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 16 2017
  RSA0018442  Drymocallis lactea var. lactea J. D. Olmsted 1959-7-1 714 Riverside Wellman's Cienega between saddle and San Jacinto Peak along trail near stream crossing; 4.5 mi. NE of Idyllwild. San Jacinto Mountains, Willow-Tahquitz drainage area. 2805 Comment
  POM17775  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Temecula Canyon. Comment
  UCR37492  Dudleya multicaulis Steve Boyd 1981-5-8 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mountain. 823 Comment
  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
  RSA249461  Dudleya saxosa subsp. aloides John F. Emmel 1973-5-12 451 Riverside Dos Palmas Spring & Carrizo Creek wash, NE of Pinyon Crest, E end of San Jacinto Mts. 1067 Comment
  RSA6657  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 s.n. Riverside 3 miles below Pinyon Flats, San Jacinto Mts. (Palms to Pines Road). 1066 Comment
  UCR25867  Elatine brachysperma John C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs 488 Comment
  RSA0028738  Elatine brachysperma R. E. Riefner 1998-4-22 98 -295 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCD110451  Elatine chilensis Robert F. Thorne; E. Lathrop, et al 1969-5-19 37968 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 624 Comment
  POM250495  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake. 1320 Comment
  UCR158267  Elymus condensatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29495 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
  JOTR34098  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2932 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  SD137957  Elymus glaucus subsp. glaucus Darin L. Banks, Steve Boyd 1995-5-17 469 Riverside Northwest Palomar Mtns; Cleveland N.F., Agua Tibia Wilderness Area; North face Agua Tibia Mountain, East of the Dripping Springs Alcove area West of the Dripping Springs Trail, at the spring just inside the wilderness boundary in north-central Section 33 730 Comment
  UCR207469  Elymus repens O. F. Clarke 2002-12-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA697749  Emmenanthe penduliflora J. R. Bruff 1928-2-2 95 Riverside Canon wash, 1 mi. W. of Morongo. Comment
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Oct 23 2011
  UCR182440  Emmenanthe penduliflora Mitch Provance 2003-5-5 4421 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  JOTR34048  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2948 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  VVC2901  Emmenanthe penduliflora var. penduliflora Tim Thomas, P. J. MacKay 2010-4-12 5032 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA543750  Encelia actoni Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6054 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA707892  Encelia actoni Scott D. White, Angelia Carey 2004-4-16 10165 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  HSC87147  Encelia farinosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2142 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR34377  Encelia farinosa Andre, Jim 2012-4-16 20897 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  OBI16595  Encelia farinosa Tracey and Viola Call, Viola Call 1962-4-6 2110 Riverside 4 mi S of Morongo Valley 579 Comment
  RSA593975  Encelia farinosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0960 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
  UCR101568  Encelia farinosa 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
  UCR232048  Encelia farinosa John F. Green 2008-4-15 0408- 11 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR92193  Encelia farinosa D. L. Banks, P. Morrell 1995-5-4 306 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 622 Comment
  UCSB29016  Encelia farinosa Hornemann, D. 1977-2-26 Riverside Box Canyon Wash 60 Comment
  POM356679  Encelia farinosa var. farinosa E. A. McGregor 1964-3-24 s.n. Riverside Painted Canyon, S of Desert Center. Comment
  RSA342564  Encelia farinosa var. farinosa R. F. Thorne, Dick Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54015 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UCR89580  Encelia frutescens George K. Helmkamp 1994-3-8 41 8 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  CLARK-A1528-1810  Encelia virginensis John C. Roos 1943-5-23 2666 Riverside Little San Bernardino Mountains Comment
  JEPS49124  Ephedra W. L. Jepson 1928-4-23 12565 Riverside Cottonwood Spring Colorado Desert, Eagle Mts. (rocky slopes and mesas) 731 Comment
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Oct 23 2011
  NY70108  Ephedra californica F. A. Thackery 1928-3-6 254 Riverside White Water Comment
  RSA383878  Ephedra californica Martha Hilend 1928-3-11 108 Riverside Morongo Valley n. of Colorado Desert, California. Comment
  SEINET6082341  Ephedra nevadensis Unknown 1956-2-24 7175 Riverside Pines to Palms Highway. Ca 0.45 mi downhill from the 3000 ft. marker. Comment
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Oct 24 2015
  CAS-BOT-BC81874  Ephedra trifurca Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13264 Riverside Northwest edge of sand dunes, 2.1 mi. S of Rice on road to Midland and Blythe Comment
  JOTR00968  Ephedra viridis Cole, James E. 1941-4-10 509 Riverside Joshua Tree National Park. TWIN TANKS 1158 Comment
  UCR21167  Epilobium canum subsp. canum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  POM48869  Epilobium canum subsp. latifolium P. A. Munz 1924-7-26 8703 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  UC874240  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well Colorado Desert, Little San Bernardino Mts. (base of cliff) 1219 Comment
  UCR145965  Epilobium canum subsp. latifolium June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR193753  Epilobium densiflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35650 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR202593  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-8 12399 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UC410715  Epilobium glaberrimum subsp. glaberrimum Mrs. E. C. Van Dyke Jul 22 1925-Jul 28 1925 Riverside Idyllwild Comment
  UCR18395  Epilobium hallianum A. C. Sanders 1978-9-3 468 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  POM48886  Epilobium lactiflorum P. A. Munz 1924-7-27 8742 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  POM122779  Epipactis gigantea Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  RSA263778  Epipactis gigantea R. Weatherby 1950-5-18 2967 Riverside Hagador [Hagador Canyon]. 396 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
  JEPS74001  Eragrostis cilianensis S. B. Parish 1913-2-7 8440 Riverside Salton Sink Mecca; , Mecca 60 Comment
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Jul 7 2010
  POM267971  Eragrostis mexicana subsp. mexicana E. Johnson 1944-11-24 s.n. Riverside Corona Fothill Lemon Co., Corona Comment
  UCR113870  Eragrostis 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
  RSA3985  Eremalche rotundifolia Carl B. Wolf 1932-4-29 3124 Riverside eastern Colorado Desert, 4 mi. E of Rice on road to Parker 213 Comment
  RSA432718  Eremalche rotundifolia E. C. Jaeger 1922-4-7 811 Riverside Chucawalla Bench, Colorado Desert. 259 Comment
  SBBG81712  Eremothera chamaenerioides S. A. Junak 1983-3-24 1657 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  JEPS31751  Eremothera refracta W. L. Jepson 1928-4-23 12558 a Riverside n Mecca; Cottonwood Mts., Cottonwood Spr. 518 Comment
  RSA0105499  Eriastrum densifolium subsp. austromontanum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC514308  Eriastrum densifolium subsp. austromontanum H. M. Hall 1897-7-1 688 Riverside San Jacinto Mountains Comment
  RSA0110542  Eriastrum densifolium subsp. elongatum B. Pitzer, B. L. Phillips 1988-7-1 1481 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb & Arroyo Seco Creeks. 488 Comment
  JOTR16792  Eriastrum eremicum subsp. eremicum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UCR245652  Eriastrum harwoodii Duncan S. Bell 2010-4-2 695 Riverside Sonoran (Colorado) Desert, Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  RSA0122950  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  RSA0122976  Eriastrum sapphirinum subsp. sapphirinum W. Wisura 1986-9-18 4143 Riverside Along PCT N of Hwy 74 at Garner Valley. Comment
  JOTR30242  Ericameria linearifolia Leary, C. and Leary, Pat 1979-5-5 2990 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. 1676 Comment
  UC1329821  Ericameria linearifolia James E. Cole 1941-5-17 714 Riverside Covington Flat Canyon Joshua Tree National Monument, Covington Flat Canyon 1371 Comment
  CHSC118898  Ericameria linearifolia Mike Lahti 2012-5-10 Riverside Ramsey Road, one miole east of Terwilliger Road, six mile south of Anza. Chaparral. Comment
  UC322979  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  OBI16776  Ericameria paniculata P. A. Holden 1968-11-24 614 Riverside just W of Desert Hot Springs Comment
  UC1929886  Ericameria paniculata Scott D. White, Michael Honer 2003-5-13 9250 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  UC64809  Ericameria paniculata E. E. Schellenger 1904-10-15 43 Riverside between Cabazon and Whitewater; Colorado Desert Comment
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Mar 13 2011
  RSA221018  Ericameria parishii E. W. Lathrop 1966-3-30 6119 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
  POM183885  Ericameria pinifolia P. A. Munz 1932-10-16 12841 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  RSA0086777  Ericameria pinifolia R. G. Swinney 1967-5-26 11732 Riverside Snow Creek. 335 Comment
  RSA596184  Ericameria pinifolia D. L. Banks 1996-11-7 1210 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  JOTR31168  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  UC574882  Erigeron breweri var. covillei C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino, Key's View 1524 Comment
  CAS-BOT-BC33495  Erigeron breweri var. jacinteus Harvey Monroe Hall 1901-6-1 2322 Riverside San Jacinto Mountains; near Tauquitz 2690 Comment
  SEINET192956  Erigeron foliosus Lester Rowntree 1936-5-16 Riverside Pines to Palms Highway. Comment
  CLARK-A1656-830  Erigeron philadelphicus Jon Mark Stewart 1982-11-13 82-015 Riverside Indio Hills 198 Comment
  UCR163814  Eriodictyon crassifolium John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  CLARK-A1528-542  Eriodictyon trichocalyx Tony Beck 1968-5-4 680504-10 Riverside San Jacinto Mountains 1219 Comment
  RSA455061  Eriodictyon trichocalyx var. trichocalyx N. C. Cooper 1949-6-29 4379 Riverside Above Banning 915 Comment
  SEINET9347759  Eriogonum angulosum Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  CAS-BOT-BC248635  Eriogonum apiculatum James L. Reveal; Barbara J. Ertter 1976-6-30 4563 Riverside San Jacinto Mountains, Pinyon Flat, 2 miles north of California Highway 74 along Palm Canyon Drive 1249 Comment
  CAS-BOT-BC248639  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  RSA239199  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2860 Riverside Along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74, and 1.2 mile south of Alandale Ranger Station Comment
  RSA653069  Eriogonum apiculatum Reid V. Moran 1973-7-28 21108 Riverside Santa Rosa Mts., at summit of Toro Peak. 2500 Comment
  SEINET4890189  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  SEINET6328740  Eriogonum apiculatum Wesley O. Griesel 1962-9-18 s.n. Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  UCR146124  Eriogonum apiculatum Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains, East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  UCR5710  Eriogonum apiculatum O. F. Clarke 1966-10-5 661005- 37 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  JEPS57108  Eriogonum davidsonii Marjorie D. Clary 1932-11-14 1674 Riverside se Kenworthy; Van Deventer Flats 1341 Comment
  JOTR31100  Eriogonum davidsonii La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2358 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  POM13401  Eriogonum davidsonii E. C. Jaeger 1922-8-24 1012 Riverside Between Tahquitz Valley and Long Valley. 2287 Comment
  RSA339312  Eriogonum davidsonii Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54026 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
  RSA666776  Eriogonum davidsonii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  SEINET11932637  Eriogonum davidsonii J. F. Emmel 1979-1 694 Riverside SE end Jacinte Mts S base of Sugarleaf Mt. near SE end of Pinyon Flat 1219 Comment
  UCR50891  Eriogonum deflexum A. C. Sanders 1988-5-11 7807 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCR16528  Eriogonum elongatum P. A. Rauch 1966-1-24 s.n. Riverside 1 mi. SE of Aguanga on Aguanga-Warner Springs Hwy 610 Comment
  SD247480  Eriogonum fasciculatum subsp. polifolium T. B. Salvato 2014-3-29 8026 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Debon Street, about 0.7 mile west of Murrieta Rd. and 4.4 mile southeast of Canyon Lake. 537 Comment
  RSA38488  Eriogonum fasciculatum var. foliolosum Percy C. Everett 1945-11-13 11513 Riverside Bear Spring, Main Divide Motorway, Santa Ana Mountains. 1220 Comment
  SD1336  Eriogonum fasciculatum var. foliolosum F. Woodstock 1926-3-15 Riverside Palm Springs Comment
  UC454353  Eriogonum fasciculatum var. foliolosum I. J. Condit 1920-6-24 Riverside San Jacinto Canyon Comment
  UCR93086  Eriogonum fasciculatum var. foliolosum A. C. Sanders, S. Ogg 1994-7-28 15190 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  CAS-BOT-BC250132  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
  JEPS56993  Eriogonum fasciculatum var. polifolium W. L. Jepson 1914-5-25 6066 Riverside San Gorgonio Pass 518 Comment
  LA206784  Eriogonum fasciculatum var. polifolium D. A. Johansen; F. R. Fosberg 1932-4-10 7048 Riverside Warner Ranch at Whitewater Comment
  LA206789  Eriogonum fasciculatum var. polifolium Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  RSA774886  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5011 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
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May 22 2012
  POM319088  Eriogonum gracile var. gracile Patricia Wilder 1971-9-29 5257 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  RSA0021330  Eriogonum gracillimum Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4656 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  CAS-BOT-BC257570  Eriogonum inflatum Roxana S. Ferris 1918-6-14 980 Riverside In Box Canon [Canyon], Chocolate Mts on Mecca-Blythe Rd. Comment
  CAS-BOT-BC257582  Eriogonum inflatum G. B. Grant No date on label 6789 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC270592  Eriogonum molestum H. M. Hall 1901-7-1 2386 Riverside San Jacinto Mountains 1615 Comment
  RSA679987  Eriogonum molestum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1119 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  SD95200  Eriogonum nidularium G. L. Webster, R. Hildreth 1966-12-9 7453 Riverside Joshua Tree National Monument parkland at Split Rock 1310 Comment
  SEINET9356889  Eriogonum nidularium Unknown 1976-5-4 Riverside Red Mountain Road. Comment
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Dec 17 2019
  UC454350  Eriogonum nudum var. pauciflorum I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  UCR125895  Eriogonum nudum var. pauciflorum A. C. Sanders, Mark Elvin 2001-8-17 24596 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  JEPS56458  Eriogonum pusillum J. Ewan 1930-4-17 2199 Riverside at base of dunes between S.P.R.R. tracks and Snow Creek Wash Comment
  JOTR30958  Eriogonum pusillum La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1933 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM294037  Eriogonum pusillum Lyman Benson 1945-3-29 11622 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA340184  Eriogonum pusillum Robert F. Thorne, W. A. Tilforth 1980-5-28 54179 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  CAS-BOT-BC253020  Eriogonum reniforme L. R. Abrams 1926-3-26 11056 Riverside Palm Springs to Palm Canyon Comment
  RSA64578A  Eriogonum reniforme F. W. Peirson 1914-04 1737 Riverside Whitewater, west end of Coachella Valley. Comment
  RSA49363  Eriogonum thomasii P. A. Munz 1949-4-11 13002 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  RSA554427  Eriogonum thomasii Theo Glenn 1991-5-24 91 -131 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  SD125509  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, across from the entrance to Cahuilla Lake County Park, south of Indio Comment
  UC218094  Eriogonum thomasii P. A. Munz, D. Keck 1922-4-9 4751 Riverside near Mecca (Shaver's Well); Shaver's Well 76 Comment
  UCR148335  Eriogonum thomasii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  POM47236  Eriogonum thurberi Mary F. Spencer 1920-4-6 s.n. Riverside Palm Springs. 122 Comment
  UC310875  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi e Aguanga Comment
  JEPS56291  Eriogonum trichopes W. L. Jepson 1920-5-1 8916 Riverside Palm Springs of Mt. San Jacinto 137 Comment
  UCR111991  Eriogonum trichopes A. C. Sanders, T. B. Salvato 2000-4-27 23372 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR249506  Eriogonum trichopes T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7286 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA0023094  Eriogonum wrightii John F. Emmel 1995-4-22 1369 Riverside McCoy Mts., north end; canyon 0.6 air mile west of Arlington Mine. 488 Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC264929  Eriogonum wrightii var. membranaceum H. M. Hall 1901-7-1 2608 Riverside Strawberry Valley 1828 Comment
  JEPS56112  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-25 Riverside The Gavilan Gavilan Hills, The Gavilan Comment
  RSA0118094  Eriogonum wrightii var. membranaceum Sarah DeGroot, Duncan S. Bell 2015-9-21 7581 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Dunn Road, between Asbestos Mountains Haystack Mountain. 1241 Comment
  RSA334999  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau of the Gavilan Creek drainage system on the Plateau. 610 Comment
  JOTR16821  Eriogonum wrightii var. wrightii Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF DESERT QUEEN MINE 1341 Comment
  CAS-BOT-BC297337  Eriophyllum confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 miles SE of Banning on road to Idylwild, San Jacinto Mts Comment
  UCR127553  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato 2003-5-21 26799 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR174265  Eriophyllum confertiflorum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32670 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., near stream crossing of dirt road 549 Comment
  RSA704015  Eriophyllum confertiflorum var. confertiflorum Daphne K. Christopher, H. Stevens, Z. Princip 127 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  POM230230  Eriophyllum multicaule I. W. Clokey 1933-4-18 6987 Riverside Gavilan [Peak] 600 Comment
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Oct 30 2011
  UCR20783  Eriophyllum multicaule A. C. Sanders, Steve Boyd 1980-5-2 1408 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR90749  Eriophyllum multicaule Scott D. White 1995-4-5 2739 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA50326  Eriophyllum wallacei E. K. Balls 1949-5-4 13487 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1371 Comment
  UC472866  Eriophyllum wallacei Mary Fiske Spencer 1926-3-8 26 Riverside Snow Canyon washes, base of San Jacinto Mts; , Snow Canyon Comment
  UCR34971  Eriophyllum wallacei L. B. Ziegler 1967-6-21 166 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  SDSU13540  Erodium botrys W. Miller with C. Mosse 1972-7-20 Riverside South border by Royal Oak Ranch, next to road. Comment
  RSA654616  Erodium cicutarium Lydia Paneri 1982-4-17 45 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  UC1536994  Erodium moschatum Gordon H. True 1935-3-11 69 Riverside Box Springs Sycamore Canyon 365 Comment
  SEINET4326803 Image available Erysimum capitatum Carl B. Wolf 1932-8-4 Riverside Peninsular Ranges: San Jacinto Mtns; Point View near Idyllwild [= Vista Grande?] 1646 Comment
  UC1034736  Erysimum capitatum G. B. Rossbach 1955-4-22 584 Riverside Juniper Flat Little San Bernardino Mountains (n side of mts) 1432 Comment
  RSA0015886  Erythranthe moschata P. A. Munz, I. M. Johnston 1924-7-28 8805 Riverside Pine Flats, San Jacinto Mountains. 1738 Comment
  SD152745  Erythranthe palmeri Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7349 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream from conflunence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  JOTR37469  Eschscholzia androuxii Hodges, Stephen, T. Green 2016-5-5 591 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  UCR90744  Eschscholzia caespitosa Scott D. White 1995-4-5 2755 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  CAS-BOT-BC403359  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian Wash just south of Interstate 15 Comment
  RSA522752  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3859 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
  UCR113139  Eschscholzia californica A. C. Sanders 1998-3-11 21684 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR214164  Eschscholzia glyptosperma T. B. Salvato 2010-4-20 4058 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  CAS-BOT-BC91566  Eschscholzia minutiflora Lewis S. Rose 1937-4-9 37138 Riverside Palms to Pines Highway, 15 miles west of Indio. 838 Comment
  SBBG70173  Eschscholzia minutiflora Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  UCD94284  Eschscholzia minutiflora Shannon M. Still 2009-2-21 434 Riverside California. Riverside County. 170 Comment
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Sep 2 2017
  UCR88121  Eschscholzia minutiflora A. C. Sanders, G. Nuhn 1995-4-20 16598 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCSB12878  Eschscholzia minutiflora Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash; 3 miles southwest of Palm Desert 426 Comment
  HSC24917  Eschscholzia parishii John Collins 1970-5-9 211 Riverside Little San Bernardino Mtns., 10 mi. NNE of Indio, 1.5 mi. into Berdoo Canyon on Berdoo Cyn. Rd. 671 Comment
  RSA66277  Eschscholzia parishii F. W. Peirson 1922-4-9 2872 Riverside Murray Canyon, Palm Springs region 305 Comment
  UC855187  Eschscholzia parishii Alice Eastwood 1913-4-30 3080 Riverside Palm Springs Palm Canyon Comment
  UC403435  Escobaria vivipara var. alversonii Marcus E. Jones 1926-4 Riverside e Shaver's Well; Colorado Desert Comment
  RSA0012826  Eucalyptus robusta Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  RSA516880  Eucrypta chrysanthemifolia Steve Boyd 1986-3-1 1363 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA556515  Eucrypta chrysanthemifolia Julie Greene 1993-4-10 1137 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  UCD119345  Eucrypta chrysanthemifolia Geoffrey Levin 1975-4-26 483 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  SEINET3409352  Eucrypta micrantha G. Rink, T. Thomas 2013-3-30 11921 Riverside About 3 miles east of Desert Center 210 Comment
  UC708736  Eulobus californicus H. K. Wagnon 1944-4-2 379 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  UCR35142  Euonymus occidentalis var. parishii L. B. Ziegler 1978-6-21 592 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  UCR188699  Euphorbia J. M. Stewart 1989-10-17 616 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  UCR120909  Euphorbia albomarginata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24947 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UC1971290  Euphorbia eriantha Carl B. Wolf 1932-4-29 3090 Riverside Eastern Colorado Desert. W. Edge of Maria Mts. 17 mi. from Blythe on Rice Road.; Lower Sonoran Comment
  UCR5292  Euphorbia eriantha O. F. Clarke 1966-10-5 661005- 05 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  OBI14370  Euphorbia micromera Robert F. Hoover 1966-10-15 10154 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  UCSB44040  Euphorbia misera Sanders, A. 1982-3-20 Riverside South end of Whitewater Bench, above a small dirt road to the top of the bench and overlooking Interstate Hwy. 10 Comment
  UC219262  Euphorbia palmeri P. A. Munz and I. M. Johnston 1922-5-21 5517 Riverside Keen Camp; San Jacinto Mts. 1524 Comment
  UCR46718  Euphorbia serpillifolia B. G. Pitzer, D. C. Hawks 1986-12-2 0368 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  UCD142864  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7469 Riverside Box Canyon Wash. C. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  RSA561782  Euphorbia spathulata Steve Boyd 1992-4-14 6846 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  SDSU11512  Fagonia chilensis var. laevis A. H. Gallup 1949-3-28 376 Riverside Near Palms to Pines Hwy. 732 Comment
  CAS-BOT-BC167364  Fagonia laevis J. C. Roos 1966-3-26 s.n. Riverside 2 miles S.E. of Desert Center Comment
  CAS-BOT-BC205628  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA77840  Fagonia laevis F. Brubaker, Margaret Slaton 1929-4-28 495 -54 Riverside Hidden Springs, Colorado Desert Comment
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Nov 11 2011
  RSA77843  Fagonia laevis F. W. Peirson 1920-2-16 2029 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  SBBG92239  Fagonia laevis D. F. Howe 1980-4-15 Riverside Interstate 10, 1 mi W of Mesa Verde; S slope of McCoy Mtns Comment
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Jul 18 2012
  UC1595750  Fagonia laevis W. Wisura, J. Dolan, M. Wall 1992-3-24 4642 Riverside on road to Corn Spring (5.6 mi s of I-10) Comment
  UCR50572  Fagonia laevis B. G. Pitzer 1988-3-10 650 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  SEINET8564467  Fagonia laevis N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-3-20 6409 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  CAS-BOT-BC56203  Ferocactus cylindraceus Ira L. Wiggins 1937-3-9 8760 Riverside Field redacted by CAS, contact the data manager for more information Comment
  LA45712  Festuca myuros Frank W. Gould; 1944-4-5 2228 Riverside 17 mi E of Temecula on Hwy 79 Comment
  UCR180145  Festuca myuros Mitch Provance 2003-4-26 9904 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  LA13138  Festuca octoflora Carl Epling; 1927-3-28 sn Riverside Palm Springs Comment
  LA13148  Festuca octoflora A. M. Johnson; 1932-3-19 3885 Riverside below Palm Springs Comment
  UC2015550  Festuca octoflora A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15992 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR20780  Festuca octoflora A. C. Sanders, Steve Boyd 1980-5-2 1390 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA525259  Filago californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4572 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  UCR49267  Filago californica Steve Boyd 1986-4-22 1732 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA395866  Filago depressa Steven A. Junak 1983-3-23 1620 Riverside Along Jefferson Road, across from entrance to Cahuilla Lake County Park, south of Indio 0 Comment
  RSA689492  Filago gallica Scott D. White 2001-4-19 8369 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  CAS-BOT-BC304296  Flaveria A. C. Sanders 1981-10-31 2392 Riverside McKinley St between Riverside and Corona, 0.3 mile N of Highway 91 and +-100 yds W of McKinley 304 Comment
  CAS-BOT-BC384199  Forestiera pubescens subsp. parvifolia E. K. Balls 1955-7-19 20974 Riverside Hwy. 74, 17 mi. se. of Mountain Center on road to Palm Springs 1371 Comment
  RSA20100  Fouquieria splendens I. W. Clokey 1935-4-17 6752 Riverside Shaver's Well Comment
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Apr 24 2011
  JEPS45782  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts. 45 Comment
  RSA796753  Fouquieria splendens subsp. splendens Jim Andre 2012-4-11 20844 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UC68599  Fouquieria splendens subsp. splendens H. M. Hall Apr 1905 5810 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  UCSC001446  Fragaria vesca Peter Kamb 1947-3-3 479 Riverside San Jacinto Mts, Hall Canyon 1615 Comment
  UCR114309  Frankenia salina Julie A. Greene 1993-4-30 1267 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  SEINET2030051 Image available Franseria dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards east of Spring Comment
  RSA262074  Fraxinus dipetala E. W. Lathrop 1966-3-23 6076 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA464922  Fraxinus dipetala A. Menke 1955-4-28 s.n. Riverside Near Barton Peak Lookout. San Jacinto Mts. Comment
  UCR58483  Fraxinus dipetala Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  CLARK-A1528-688  Fumaria officinalis Olga Kersteiner 1963-3-12 Riverside Indio Comment
  UCD95139  Fumaria parviflora Gary W. Sanderson 1960-2-24 s.n. Riverside east side of State Highway 111, 1 mile north of Indio towards Palm Springs. Comment
  RSA735064  Funastrum cynanchoides var. cynanchoides Scott D. White, Angelia Carey 2004-6-4 10478 -A Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  POM158458  Funastrum cynanchoides var. hartwegii P. A. Munz 1927-5-21 10871 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  SFV21862  Funastrum cynanchoides var. hartwegii J. R. Pucci 2001-4-7 10 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  RSA458596  Funastrum hirtellum L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River Comment
  UCR279553  Funastrum hirtellum A. C. Sanders, Jim Malusa 2017-3-29 43199 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR213441  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37829 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
  POM50549  Galium angustifolium subsp. angustifolium H. M. Hall 1901-07 2509 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UCR95234  Galium angustifolium subsp. gracillimum D. L. Banks, E. H. Banks 1996-5-2 0929 Riverside NW Palomar Mountains, Agua Tibia Mtns., NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, c. 20 m inside the preserve boundary gate, 3 m east of the main road along an open field. 448 Comment
  JEPS54620 Image available Galium angustifolium subsp. jacinticum L. T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside 0.9 mi above junction with road to Pine Wood (Black Mountain road); San Jacinto Mts.; Black Mt. road, San Jacinto Mts., Riverside Co. 1981 Comment
  RSA682187  Galium angustifolium subsp. jacinticum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1113 Riverside Black Moutain Road (4501), southeast of Black Moutain and northwest of Fuller Mill Creek. 2043 Comment
  RSA689697  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  SD229268  Galium angustifolium subsp. jacinticum Dick Schwenkmeyer 2011-8-25 655 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UCR180590  Galium aparine Scott D. White, Angelia Carey 2004-4-5 9983 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR84785  Galium aparine Scott D. White, S. Ogg 1994-4-21 1958 Riverside San Bernardino Mtns., Millard Canyon, near stream crossing with USFS Road 2S05, c. 4 mi south of Bear Wallow Spring 976 Comment
  UCSB26813  Galium parishii Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs, Santa Rosa Mtns. 2377 Comment
  SD70520  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4240 Riverside Poppet Flat at Keyes Drive, San Jacinto Mountains 1096 Comment
  POM99011  Galium stellatum E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  RSA46491  Galium trifidum Doris K. Kildale 1925-7-28 1098 Riverside Riverside. 46 Comment
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Mar 22 2014
  UC537212  Galium trifidum var. pusillum M. E. Jones Sept. 1933 Riverside San Jacinto Peak Comment
  UCR34932  Gamochaeta pensylvanica L. B. Ziegler 1977-3-20 560 Riverside Cismontane; San Jacinto Valley, City of San Jacinto 473 Comment
  UCR101447  Garrya flavescens A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22222 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR209592  Garrya flavescens Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UCR274225  Garrya flavescens Duncan S. Bell 2014-11-14 7706 Riverside Santa Rosa Mountains, Santa Rosa Mountain Wilderness area, west side of Martinez Mountain, at meeting point of Horsethief Creek and the Cactus Spring Trail 1055 Comment
  SD42278  Garrya flavescens subsp. pallida Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts., east side, alonmg Eagle Motor Way, 1 mi below summit Comment
  LA40343  Garrya fremontii W. Pequegnat; 1938-1-10 sn Riverside Santa Ana Mountains, Indian Canyon Rd 761 Comment
  UC21617  Garrya veatchii H. M. Hall Aug 1901 2645 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  UCR39544  Gayophytum diffusum subsp. parviflorum A. C. Sanders 1980-8-21 1781 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  UCD103558  Gayophytum heterozygum H. Lewis; M. Lewis 1962-8-2 1306 Riverside San Jacinto Mts. Pine Cove Road, Pine Cove, 0.4 mile west of Idywllwild-Banning Road. Comment
  POM358658  Geraea canescens H. S. Gentry 6201 Riverside 15 miles N of Desert Center, Riverside County? Comment
  POM358675  Geraea canescens N. C. Cooper 1949-4-9 3241 Riverside Mecca Pass E of Indio. 549 Comment
  SEINET236366  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside La Quinta/ Palm Desert Area: White water River Channel at and near Miles Ave. Crossing. Coachella Valley. 30 Comment
  UCR25798  Geranium carolinianum John C. Roos 1952-5-7 5620 Riverside Box Springs Mountains above Canyon Crest Heights 503 Comment
  UCR165410  Gilia A. C. Sanders 2001-4-8 23982 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
  UCR261366  Gilia A. C. Sanders, Katie Young, John Hale 2015-4-22 41614 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  SEINET7063459  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-30 s.n. Riverside About 5 miles south of Winchester Road. French Valley. UTM Zone 11, 491934mE, 3721693mN. (WGS84/NAD83). 457 Comment
  POM13241  Gilia angelensis P. A. Munz, I. M. Johnston 1922-5-19 5350 Riverside 5 miles NE of Murietta. 457 Comment
  RSA735921  Gilia angelensis Scott D. White, Jamie Minor 2008-3-13 11771 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  SDSU18400  Gilia angelensis C. Matt Guilliams 2008-2-27 480 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. 407 Comment
  UCR97490  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19891 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR26282  Gilia capitata subsp. abrotanifolia John C. Roos, L. Roos 1952-4-27 5585 Riverside San Timoteo Canyon, south of Redlands 427 Comment
  UCR268287  Gilia capitata subsp. abrotanifolia Jim Andre 2012-6-15 30535 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA171361  Gilia diegensis J. D. Olmsted 1962-5-3 3518 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  UC879873  Gilia diegensis P. A. Munz and I. M. Johnston 1922-5-20 5484 Riverside Kenworthy San Jacinto Mts., Kenworthy 1402 Comment
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Mar 25 2011
  UCR1068  Gilia diegensis J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UC665781  Gilia latifolia Ira L. Wiggins 1941-3-24 9587 Riverside 1 mi n Imperial County Line (on e side Salton Sea); e side of Salton Sea Comment
  UCR80807  Gilia ochroleuca subsp. bizonata Scott D. White 1993-5-29 1450 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge Comment
  JEPS44385  Gilia ochroleuca subsp. exilis Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4265 Riverside gravelly ridge e Toro Peak; Santa Rosa Mountains Comment
  UCR193265  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR44192  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA0016292  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside 12 miles S of Corona. Comment
  RSA0023244  Gilia scopulorum J. Andre 2013-3-4 23870 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
  RSA480028  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2157 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA78695  Gilia sinuata P. A. Munz 1952-4-15 17349 Riverside Pleasant Valley, Joshua Tree National Monument 1159 Comment
  UCR35049  Gilia sinuata L. B. Ziegler 1972-5-3 449 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1402 Comment
  RSA778252  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 919 A Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR114124  Gilia stellata B. G. Pitzer, J. Ross 1998-3-8 3608 .1 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR275446  Gilia stellata Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-30 919 A Riverside Sonoran (Colorado) Desert, McCoy Wash, east side of McCoy Mountains, pavement plain, c. 7 miles north of I-10 335 Comment
  RSA560844  Githopsis diffusa subsp. candida Steve Boyd, Timothy S. Ross 1992-5-4 7178 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR241224  Glyceria occidentalis Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 514 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  POM182409  Glycyrrhiza lepidota J. B. Feudge 1930-7-24 2090 Riverside Santa Ana River, 2 miles N of Riverside. Comment
  UCR241649  Gnaphalium luteoalbum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 355 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR92247  Gnaphalium luteoalbum Scott D. White 1995-7-7 3448 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  POM48738  Gnaphalium palustre P. A. Munz, I. M. Johnston 1924-7-29 8821 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCR110921  Gnaphalium palustre A. C. Sanders, K. C. Rose 1999-6-18 22824 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR157950  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 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
  UCR85639  Gnaphalium palustre A. C. Sanders 1993-4-5 13688 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA752137  Gnaphalium stramineum Justin M. Wood, Brandy Wood 2009-7-4 1041 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  SEINET10574792  Gossypium thurberi Unknownnown 1968-8-22 Johnson LA- 1479 Riverside Cultivated. grown at UCR, field 21, planted in 1965. Received from USDA, Beltsville, maryland, via T. Richmond, Texas A & M. Native to Arizona, Sonora & Chihuahua. Comment
  UCR88293  Grayia spinosa A. C. Sanders, K. C. Rose 1995-4-5 16379 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCSB1695  Grayia spinosa Leeuwen, Henry 1957-4-13 Riverside White Water Canyon about 2 miles from U.S. 60 Comment
  RSA430050  Guillenia lasiophylla Robert L. Dressler 1949-3-19 424 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  RSA586842  Gutierrezia californica D. L. Banks, Peter Morrell 1995-5-4 0309 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, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  UCR241003  Gutierrezia californica Tracy Tennant 1998-11-24 157 Riverside San Jacinto Valley, western edge of Hemet, near intersection of Stetson Ave. and California Ave. 473 Comment
  UC74080  Gutierrezia sarothrae Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  CLARK-A1528-229  Haplopappus acradenius subsp. eremophilus John C. Roos 1969-11-10 Riverside Whitewater Comment
  CLARK-A1528-1884  Haplopappus cooperi John C. Roos 1943-5-22 2648 Riverside Little San Bernardino Mountains Comment
  HSC85434  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC1871078  Harpagonella palmeri Steve Boyd, T. S. Ross 1993-3-23 7906 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Small area of native grassland on break in slope, west side of trail extending south from end of Woodchuck Road., T8S R1W SE 732 Comment
  UCR121883  Harpagonella palmeri Ian G. Gillespie, Abby Sirulnik 2000-5-7 36 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR260534  Harpagonella palmeri T. B. Salvato 2014-5-29 8048 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
  RSA0066600  Harpagonella palmeri Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  SDSU12908  Hazardia squarrosa var. grindelioides Jutta Buschbom 1991-6-3 17 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SEINET5553825  Hazardia squarrosa var. squarrosa H. S. Gentry 1972-1 23033 Riverside Gentry Ranch, 3.5 miles northeast of Murrieta. 426 Comment
  RSA515343  Hedypnois cretica Jeri Hirshberg 1989-4-11 s.n. Riverside S of Town of Murrieta, SW of Mesa del Burro. 610 Comment
  RSA180348  Helianthemum scoparium var. aldersonii E. W. Lathrop 1959-4-2 4415 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
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Apr 28 2011
  CAS-BOT-BC305452  Helianthus annuus F. A. Thackery 1928-5-22 416 Riverside Indio 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
  UCR148328  Helianthus annuus John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  RSA0012942  Helianthus californicus L. C. Wheeler 1931-10-4 202 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  CAS-BOT-BC305709  Helianthus gracilentus Wesley O. Griesel 1962-6-29 s.n. Riverside Road between Banning and Idyllwild, San Jacinto Mountains 1524 Comment
  RSA343089  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Sara Meury 1985-5-18 60625 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  SJSU10556  Helianthus petiolaris subsp. canescens T. G. Balgooyen 1966-4-4 Riverside 1 mi S of Palm Springs Comment
  RSA740627  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-8 12382 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR82771  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mtns, N slope of the mtns: nameless tributary to Azalea Creek, c. 1 mi. due south of the Twin Pines Ranch buildings. 1128 Comment
  UCR181160  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05- 648 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR20805  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-14 270 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CLARK-A1528-2176  Hemizonia tenella John C. Roos 1952-7-19 5816 Riverside Santa Ana Mountains 761 Comment
  UC68675  Hesperocallis undulata H. M. Hall Apr. 1905 5831 Riverside Colorado Desert, Mecca Mecca; Colorado Desert, Mecca -45 Comment
  UCR213275  Hesperocallis undulata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37428 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR24143  Hesperocallis undulata John C. Roos 1949-3-19 4114 Riverside Western Colorado Desert, Sandy flats 2 or 3 miles east of Mecca Comment
  RSA85451  Hesperocnide tenella J. C. Roos 1952-4-13 5537 Riverside North side of Box Canyon 396 Comment
  UCR137029  Hesperocnide tenella A. C. Sanders 2004-5-5 27768 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
  CAS-BOT-BC131793  Hesperoyucca whipplei Scott D. White 1996-4-14 3920 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  UCR195118  Heterocodon rariflorum A. C. Sanders, Tim Thomas 2008-8-1 35947 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  HSC83025  Heterotheca grandiflora S. Cantrell, Walter Appleby 1985-9-19 Riverside Santa Ana River Regional Park. S side of the river. 207 Comment
  PASA1743  Heterotheca grandiflora Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  UCR193883  Heterotheca sessiliflora A. C. Sanders 2008-7-25 35894 Riverside Peninsular Range; San Jacinto Mtns., May Valley, Bonita Vista Rd. near May Valley Rd. 1547 Comment
  UCR94952  Heterotheca sessiliflora subsp. echioides Scott D. White 1996-8-15 4473 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  SEINET10842397  Heterotheca villosa var. villosa David B. Dunn 1947-10-9 Dunn 3533 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  UCD90074  Hilaria rigida William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCSB18910  Hilaria rigida Keefe, Joseph 1965-5-18 Riverside Along Pines to Palms Highway, 8 miles east of Pinyon Flats Campground 914 Comment
  CDA27093  Hoffmannseggia glauca Agricultural Commissioner Nov 1971 Riverside 0.25 mile south of the existing Highway 60, 4 miles west of Blythe. 0 Comment
  CAS-BOT-BC207562  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  OBI26133  Hoffmannseggia microphylla David J. Keil 1976-12-12 11913 Riverside Ca. 5 mi E of Indio along I-10 Comment
  SEINET5500004  Hoffmannseggia microphylla A. C. Sanders 1995-5-23 17113 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N r Toro Cyn., W of Monroe St., So o Ave. 62 15 Comment
  RSA674921  Hoita macrostachya Scott D. White, P. De Vries 2000-4-25 7734 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR189777  Holocarpha virgata subsp. elongata Amy Rowland 2007-9-5 108 Riverside Peninsular Range; Santa Ana Mountains, Tenaja Corridor at intersection of Corona Cala Camino and Avocado Mesa Roads 720 Comment
  UCR266826  Hordeum intercedens D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 A Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  RSA198984  Hordeum marinum subsp. gussoneanum R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37581 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA0093141  Hordeum murinum Steve Boyd, Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region.: Western base of Eisenhower Mountain, southeast of the Living Desert at mouth of Deep Canyon. 366 Comment
  UCR264750  Hordeum murinum Steve Boyd, Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region., Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon. 366 Comment
  POM352474  Hordeum murinum subsp. leporinum H. de Forest 1933-4-16 17589 Riverside Chino canyon Comment
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Sep 3 2011
  UC1605424  Hordeum murinum subsp. murinum Steve Boyd 1986-4-2 1619 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. Steele Park 7.5' Quad. Comment
  CAS-BOT-BC148568  Horkelia clevelandii Marcus E. Jones 1924-8-30 s.n. Riverside Tahquitz Trail Comment
  UC1051653  Horkelia clevelandii Peter Kamb 1950-7-9 1906 Riverside San Jacinto Mountains, Hall Canyon 1645 Comment
  JEPS19516  Hulsea vestita subsp. callicarpha Peter H. Raven with R. Snow 1957-7-26 11098 Riverside 0.7 mi n Vista Grande Ranger Station (Banning--Idyllwild Road); San Jacinto Mountains Comment
  UCR253359  Hulsea vestita subsp. callicarpha Ana Hernandez, John Dvorak 2011-8-4 028 Riverside San Jacinto Mountains, west of Forest Route 4S02.3 (Azalea Trail), 0.5 km south of Dark Canyon Campground 1746 Comment
  CAS-BOT-BC154104  Hymenoclea salsola K. Larson 1976-6-9 s.n. Riverside ~25 mi E of Indio Comment
  POM15209  Hymenoclea salsola Mary F. Spencer 1922-4-17 1423 Riverside Mission Canyon. Colorado Desert. 152 Comment
  POM361066  Hymenoclea salsola T. L. Secrest 1950-3-13 s.n. Riverside Near Salton Sea. Comment
  RSA33501  Hymenoclea salsola N. C. Cooper 1944-4-23 1120 Riverside Cabazon 457 Comment
  CAS-BOT-BC219764  Hyptis emoryi F. O. Ballou 1926-2-25 s.n. Riverside Painted Canon [Canyon] near Mecca Comment
  LA61824  Hyptis emoryi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon 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
  UC577724  Hyptis emoryi H. S. Yates 1936-4-6 5412 Riverside Palm Springs; San Jacinto Quad., Palm Springs Comment
  UCLA61522  Hyptis emoryi S. Atsatt 1926-4-17 Riverside Palm Springs Comment
  RSA582046  Imperata brevifolia L. C. Wheeler 1933-12-2 2318 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  CAS-BOT-BC311605  Isocoma acradenia var. eremophila Carl B. Wolf 1941-1-5 9817 Riverside Caleb, Colorado Desert 60 Comment
  CAS-BOT-BC311609  Isocoma acradenia var. eremophila A. O. Merritt 1925-10-30 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC311613  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  CAS-BOT-BC311616  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio, Salton Sink -6 Comment
  POM13734  Isocoma acradenia var. eremophila E. C. Jaeger 1921-11-10 1158 Riverside Little Palm Canyon. Comment
  CDA33830  Isocoma menziesii var. menziesii Mike Lahti 2010-9-2 PDR# 1358814 Riverside Murrieta; Nieblas Rd, 3 miles southeast of Hwy 74. 0 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
  RSA702552  Isocoma menziesii var. vernonioides Scott D. White, B. Leatherman 2004-10-7 10772 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  SD227747  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA199008  Isoetes howellii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37420 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  UCD133365  Iva axillaris R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCD110248  Juglans A. C. Sanders; T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St., and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR213858  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  CAS-BOT-BC110044  Juncus acutus H. M. Hall 1905-5-1 5978 Riverside Colorado Desert. Chuckawalla Springs. Comment
  RSA304346  Juncus bryoides Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3482 Riverside Santa Rosa Mountain Road (Forest Road 7S02) ca. 2.0 miles S of Highway 74 (Pines to Palms Highway). 1585 Comment
  SD68946  Juncus bufonius Robert F. Thorne, E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37449 Riverside Santa Rosa Plateau, open dessicated mud at margin of vernal marsh, Mesa de Colorado. 671 Comment
  UCR272134  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Colorado (Sonoran) Desert, southwestern section of the Orocopia mountains, spring in the southern section of the Dos Palmas area -41 Comment
  SBBG57287  Juncus macrandrus R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  RSA192134  Juncus mexicanus E. W. Lathrop 1960-6-9 4960 Riverside 14 miles west of Murrieta. Comment
  RSA192146  Juncus mexicanus E. W. Lathrop 1959-4-26 4502 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  UC489202  Juncus phaeocephalus var. paniculatus C. V. Meyer 1928-7-27 559 Riverside Round Valley San Jacinto Mt. 2773 Comment
  RSA678972  Juncus rugulosus Scott D. White, Michael Honer 2003-6-3 9456 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA741267  Juncus rugulosus Scott D. White, Justin M. Wood 2008-7-10 12452 Riverside Fobes Spring 1500 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
  RSA125840  Juncus textilis E. K. Balls, Percy C. Everett 1957-11-13 22800 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  UCR201854  Juncus torreyi Justin M. Wood 2008-9-30 170 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  CDA19137  Juncus xiphioides J. Chandler 2001-7-11 PDR 017925 Riverside Southern California; In nursery on Garbani and Murrieta Rd., Menifee. 0 Comment
  UCR136372  Juniperus californica Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9003 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  CAS-BOT-BC234592  Justicia californica Marcus E. Jones 1926-1-20 s.n. Riverside Yaqui Well, Colorado Desert Comment
  LA202785  Justicia californica Philip A. Munz; 1932-3-14 11971 Riverside Deep Canyon, Coachella Valley 91 Comment
  SEINET10437490 Image available Justicia californica James Henrickson 1969-11-8 4372 Riverside 5 air miles S of Palm Desert near top of Seven Level Hill at scenic stop area 671 Comment
  UC196749  Justicia californica S. B. and W. F. Parish April, 1882 12 Riverside mts. back of Agua Caliente Comment
  UC218037  Justicia californica P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4902 Riverside vicinity of Corn Springs Colorado Desert, Chuckwalla Mts., Corn Springs 762 Comment
  UCR233155A  Justicia californica Jim Andre, Glenn L. Clifton 2011-2-22 17456 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCSB50616  Justicia californica Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Rd., 7 miles southwest of junction with Chuckwalla Rd. 457 Comment
  SEINET10457776  Justicia californica Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 Holmgren 6478 Riverside At the S entrance to Joshua Tree National Monument, near Interstate 10, 24 mi E of Indio. Creosote bush desert; frequent. 549 Comment
  CLARK-A1528-4430  Kallstroemia californica John C. Roos 1963-10-24 Riverside Hayfield Comment
  GMDRC3101  Kallstroemia californica J. Andre, T. La Doux 2008-9-13 10262 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
  RSA0062475  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40424 Riverside Chuckwalla Valley, along Wileys Well Rd., 0.1 mi. above I-10 junction, below Ironwood St. Prison. 120 Comment
  CDA28958  Keckiella antirrhinoides Mike Lahti 2009-4-7 PDR# 1501611 Riverside East Hemet. 0 Comment
  UCD123747  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2000-5-25 23430 Riverside Menifee Valley. south of Newport Rd., north of Holland Rd., and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR4248  Keckiella antirrhinoides J. R. Sweeten 1965-5-15 022 Riverside San Bernardino Mtns., Whitewater Canyon, about 1.5 mi from Hwy 60 and about 30 yards to the west of Whitewater Canyon Rd. 488 Comment
  SEINET7072839  Keckiella antirrhinoides subsp. antirrhinoides A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  RSA0018942  Keckiella antirrhinoides subsp. antirrhinoides John F. Emmel 1973-3-3 414 Riverside South Fork of San Jacinto River, west of Hemet. 823 Comment
  LA209342  Keckiella antirrhinoides subsp. microphylla Elizabeth McClintock; 1940-5-26 sn Riverside 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  CLARK-A1528-4278  Keckiella cordifolia John C. Roos, Lucille Roos 1952-6-24 5786 Riverside Beaumont 731 Comment
  RSA89026  Keckiella cordifolia M. Dillon 1954-6-15 s.n. Riverside Canyon near Glen Ivy Hot Springs Comment
  SD70919  Keckiella cordifolia Helen V. Witham 1969-7-2 186 Riverside De Luz Creek crossing, 4 miles north of De Luz. 249 Comment
  UC54995  Keckiella cordifolia H. M. Hall 1897-5-27 573 Riverside Cold Water Canyon; Santa Ana Mts. Comment
  POM21136  Keckiella rothrockii subsp. jacintensis Fordyce Griffiths Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  RSA507963  Koeleria macrantha Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2281 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA627575  Koeleria macrantha Scott D. White, Julie Greene 1998-8-1 6965 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA0050253  Krameria bicolor J. M. Andre 2013-3-27 24838 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  SBBG14809  Krameria bicolor E. R. Blakley 1962-11-25 5482 Riverside 5 mi W of Blythe on US Hwy 60 and 70 121 Comment
  RSA409439  Krameria erecta Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  SEINET8753900 Image available Krameria grayi Carl B. Wolf 1932-1 2986 Riverside Colorado desert. 14 miles east of Mecca on Blythe Road (E. of Shavers Well) 152 Comment
  RSA596115  Lactuca serriola D. L. Banks 1996-11-7 1198 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 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
  RSA766607  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 176 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  RSA0106455  Lasthenia californica Daphne K. Christopher, Hannah Stevens 2003-4-3 81 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak trail. 536 Comment
  SEINET7073409  Lasthenia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UC1922902  Lasthenia californica Scott D. White 2005-3-29 10834 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio River and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Comment
  CLARK-A1528-1089  Lasthenia coronaria Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  JEPS29480  Lasthenia coronaria Lauramay T. Dempster 1962-4-17 1889 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  UC917863  Lasthenia coronaria Frank W. Gould 1943-4-17 2126 Riverside 12 mi s of Corona; Road to Elsinore Comment
  UCR114339  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  RSA450757  Lasthenia glabrata subsp. coulteri J. C. Roos 1966-3-8 s.n Riverside 1 mile N of Lakeview Comment
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May 21 2011
  POM55167  Lasthenia gracilis C. F. Baker 1904-4-4 4087 Riverside Elsinore. Comment
  UC62982  Lasthenia gracilis H. M. Hall 1902-4-7 2753 Riverside vicinity of Riverside (Alessandro) 426 Comment
  UCR111603  Lasthenia gracilis Mitch Provance, J. Ross 1999-4-1 1731 Riverside Jurupa Mountains, saddle c. 0.5 km east of peak 1437 in the W portion of the Jurupa Mountains. 427 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
  UCR176886  Lasthenia gracilis Tracy Tennant 1998-6-5 1021 Riverside San Jacinto Valley, Stowe Road at California Ave., midway between Winchester and Hemet-Ryan Airport 457 Comment
  UCR213484  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37819 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR260572  Lasthenia gracilis T. B. Salvato 2014-5-29 8030 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  UCR96815  Lasthenia gracilis Scott D. White 1993-3-12 1174 Riverside Near Winchester 466 Comment
  UCR172278  Lathyrus odoratus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  SEINET5327339  Lathyrus sulphureus N. D. Atwood 1993-3-26 17654 Riverside Summit of Santa Ana Mts., 4.8 mi. S. of Lake Elsinore, along Hwy 74 813 Comment
  UCR16264  Lathyrus vestitus Rodney Hendrick 1965-5-2 s.n. Riverside Perris-Aguanga Basin, 5 mi. west of Aguanga on Hwy 71 610 Comment
  UCR270310  Lathyrus vestitus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8379 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  SD2658  Lathyrus vestitus var. vestitus Unknown 1925-5-10 Riverside Banning, Idylwild Road 1554 Comment
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Nov 17 2011
  JOTR31073  Layia glandulosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2336 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA744309  Layia glandulosa Michael Wall 2009-5-15 509 Riverside Bautista Creek, off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 752 Comment
  CAS-BOT-BC379662  Layia platyglossa A. C. Sanders; T. B. Salvato 2011-3-29 38874 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City Perris, along powerline coordinator 0.45 east of Goetz Ra. and 0.07 lm east Wheat St. 449 Comment
  RSA650942  Layia platyglossa Anne Greenberg 1981-4-11 51 Riverside Cajalco Road, El Cerrito East towards Lake Mathews. Comment
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Jun 15 2013
  UC30661  Layia platyglossa W. G. Wright 1889-1-1 1751 Riverside borders Colorado Desert Comment
  UCR174162  Layia platyglossa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32638 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA660657  Layia platyglossa subsp. campestris C. A. Schideler 1981-4-11 21 Riverside E on Cajalco Rd., mil. 520916. Comment
  RSA0031359  Lemna minor D. L. Crawford 1916-7-5 s.n. Riverside Fairmont Lake. Comment
  RSA769623  Lepechinia E. W. Lathrop 1973-6-28 7440 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CLARK-A1528-2318  Lepidium dictyotum John C. Roos 1950-3-18 Riverside La Sierra College Comment
  RSA717052  Lepidium didymum A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12073 Riverside Sonoran Desert: Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -44 Comment
  JOTR37452  Lepidium fremontii var. fremontii Hodges, Stephen, T. Green 2016-5-24 574 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  POM14900  Lepidium lasiocarpum Mary F. Spencer 1920-3-14 1758 Riverside Mecca, Colorado Desert. -49 Comment
  POM6614  Lepidium lasiocarpum P. A. Munz, L. T. Street, Williams 1919-3-25 2315 Riverside Palm Canyon. 243 Comment
  RSA429927  Lepidium lasiocarpum E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 60 Comment
  UCR25952  Lepidium lasiocarpum John C. Roos 1947-2-15 3237 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UCR74377  Lepidium lasiocarpum Theo Glenn 1991-5-1 91- 55 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  UCR93064  Lepidium latifolium A. C. Sanders 1994-7-26 15148 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  RSA543880  Lepidium latipes Steve Boyd, Dave Bramlet 1991-5-13 6240 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  SBBG25548  Lepidium pinnatifidum O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  UCD115887  Lepidium virginicum subsp. menziesii T. B. Salvato; Kent Beaman 2005-5-16 775 Riverside San Jacinto Mtn: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR261486  Lepidium virginicum var. pubescens A. C. Sanders, Katie Young, John Hale 2015-4-22 41585 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  UCR121174  Lepidium virginicum var. robinsonii D. E. Bramlet 1990-4-27 1981 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UCR280955  Lepidium virginicum var. robinsonii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 60 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  CLARK-A1528-2173  Lepidospartum squamatum Charles S. Papp 1962-12-9 235 Riverside Sycamore Canyon Comment
  UC33118  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Riverside Comment
  UC63065  Lepidospartum squamatum H. M. Hall 1899-8-1 1367 Riverside near Riverside Comment
  UCR125295  Lepidospartum squamatum A. C. Sanders 2002-11-21 25626 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  SEINET10861664  Leptochloa fusca subsp. uninervia Paul M. Peterson 1989-9-22 Peterson 8123 Riverside San Jacinto: 8.8 km W of State Hwy 79 on Ramona Expressway towards Lakeview. Mud flats surrounded by weedy vegetation in a fallow field. 500 Comment
  UCR137454  Leptochloa mucronata Steve Boyd 1998-10-4 10293 Riverside Riverside, backyard orchard at 4863 Rubidoux Avenue 244 Comment
  UCR19659  Leptochloa uninervia John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  UCR3438  Leptodactylon californicum subsp. leptotrichomum John Minnich 1964-3-28 64-3-28- 5 Riverside Santa Ana Mountains, Hwy 74, on Elsinore side of of summit 610 Comment
  CAS-BOT-BC227028  Leptosiphon floribundus subsp. floribundus Carl B. Wolf 1936-6-17 7951 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. Line 365 Comment
  SD63336  Leptosiphon floribundus subsp. floribundus Walter Bertsch 1957-6-29 951 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2438 Comment
  CAS-BOT-BC227051  Leptosiphon floribundus subsp. glaber W. G. Wright No date on label s.n. Riverside Unspecified Comment
  POM364723  Leptosiphon lemmonii E. C. Jaeger 1921-6-16 s.n. Riverside Strawberry Valley. 1585 Comment
  RSA429762  Lesquerella kingii subsp. latifolia E. C. Jaeger 1922-4-1 718 Riverside Chuckwalla Bench, Colorado Desert 366 Comment
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May 29 2011
  RSA444555  Lesquerella tenella W. Wisura 1988-3-1 4199 Riverside 1.8 mile along Black Eagle Mine Road, Joshua Tree National Monument Comment
  CAS-BOT-BC339362  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside At Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  RSA500532  Lessingia glandulifera var. glandulifera Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3629 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  RSA740921  Lessingia glandulifera var. glandulifera Justin M. Wood, Brandy N. Ulrich 2008-7-14 16 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  RSA748056  Lewisia rediviva Justin M. Wood 2009-5-11 691 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  CAS-BOT-BC283714  Leymus condensatus H. M. Hall 1899-6-2 1218 Riverside In dry wash of Temecula River Comment
  CAS-BOT-BC130874  Lilium parryi Albert M. Vollmer 1950-7-1 s.n. Riverside Stony Creek, San Jacinto Mountains Comment
  CAS-BOT-BC45841  Limnanthes gracilis var. parishii A. C. Sanders; Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista R. and east of Herkey Creek 1550 Comment
  UCR19166  Linanthus aureus John C. Roos 1942-5-2 1148 Riverside Mojave Desert, Joshua Tree Nat. Monument. Lost Horse Well Comment
  RSA48660  Linanthus aureus var. decorus A. M. Alexander, Louise Kellogg 1941-5-15 2173 Riverside North base of Eagle Mountain. 884 Comment
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May 20 2012
  CLARK-A1045-63  Linanthus dianthiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  POM279171  Linanthus dianthiflorus subsp. dianthiflorus Lyman Benson 1932-3-26 3181 Riverside Summit Temecula Grade. Comment
  RSA339068  Linanthus dianthiflorus subsp. dianthiflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54242 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR208453  Linanthus jonesii Scott D. White, Justin M. Wood 2009-3-24 12574 Riverside Colorado Desert, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy 27 Comment
  UCR254611  Linanthus jonesii Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24383 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UC489015  Linanthus liniflorus C. V. Meyer 1929-6-18 765 Riverside Hemet Valley San Jacinto Mts. 1219 Comment
  UCR103742  Linaria canadensis var. texana O. F. Clarke 1997-3-4 s.n. Riverside Riverside, Vacant lot at back of St. George's Episcopal Church, at corner of Spruce Street and Watkins Drive 305 Comment
  UCR116851  Linaria canadensis var. texana A. C. Sanders, Steven R. Hill 2001-5-4 24142 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
  POM296034  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside San Gorgonio Pass, 5 miles east of Banning. 610 Comment
  UCR178006  Lithophragma Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 077 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, tree stand H-05 915 Comment
  CAS-BOT-BC432278  Lithophragma affine Peter H. Raven 1958-5-17 12956 Riverside 7.4 miles SE of Banning on road to Idullwild, San Jacinto Mountains Comment
  CSUSB534  Lobularia maritima Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  SEINET3892021  Lobularia maritima John F. Green 2006-4-25 s.n. Riverside Foothills of Santa Ana Mountains; Tenecula, Southern California Edison right of way between residential area, north-south corridor between S General Kearny Rd and La Serena Way, E of Veterans Park.; 0 366 Comment
  UC8323  Loeflingia squarrosa var. squarrosa Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA468341  Loeseliastrum schottii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  SD45174  Loeseliastrum schottii Helen K. Sharsmith 1952-4-8 4050 Riverside Western Lobe of Pinto Basin, Joshua Tree national Monument 609 Comment
  SD237337  Logfia arizonica Dave Silverman, Onkar Singh 2010-3-25 7843 Riverside UTM in Supplement. NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10. 150 Comment
  UC1179099  Logfia arizonica Herbert L. Mason 1952-4-7 14208 a Riverside near Palm Springs; Palm Canyon Comment
  UCR59770  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3043 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  CAS-BOT-BC342279  Logfia filaginoides Peter H. Raven 1958-5-17 12938 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  JEPS20883  Logfia filaginoides W. L. Jepson 1935-4-17 19153 Riverside 1.5 mi in Elsinore 457 Comment
  UCR63514  Logfia filaginoides Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 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
  POM356978  Lolium temulentum N. C. Cooper 1944-5-6 1171 Riverside Banning. 701 Comment
  UC38797  Lolium temulentum E. A. Zumbro 1899-5-17 Riverside Riverside Comment
  UC818811  Lolium temulentum P. A. Munz and I. M. Johnston 1922-5-19 5383 Riverside 8 mi ne Murietta Comment
  SD215374  Lomatium lucidum Steve Boyd, Tim Toss et al 1990-4-2 4039 Riverside Vail Lake area,lower slopes of Agua Tibia Mountain, along Highway 79, east of USFWS Dripping Springs Guard Station 487 Comment
  POM3169  Lomatium vaginatum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near shore of L. Elsinore. Comment
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Jul 8 2009
  RSA564307  Lomatium vaginatum Scott D. White 1993-4-20 1220 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  UCR193865  Lonicera subspicata A. C. Sanders, Mitch Provance 2008-7-11 35799 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
  UCR193966  Lonicera subspicata A. C. Sanders 2008-7-25 35920 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  CAS-BOT-BC234894  Lonicera subspicata var. denudata Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  RSA113275  Lotus argophyllus var. argophyllus E. K. Balls 1955-4-1 20413 Riverside Hwy 74, 3 miles NE of Pinyon Flats. Alt 915 Comment
  UC917860  Lotus argophyllus var. argophyllus Frank W. Gould 1944-4-5 2225 Riverside 17 mi e Temecula Comment
  VVC2875  Lotus argophyllus var. argophyllus Tim Thomas, P. J. MacKay 2010-4-12 5025 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  SEINET238552  Lotus argyraeus var. argyraeus George K. Helmkamp 1998-6-27 4125 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  UCSC000919  Lotus crassifolius Peter Kamb 1947-6-7 572 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UCR94933  Lotus grandiflorus Scott D. White 1996-8-16 4486 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA722995  Lotus grandiflorus var. grandiflorus M. Wall 2007-7-6 434 Riverside San Jacinto Valley at sharp bend in Bautista Canyon Rd. 3.1 miles SE of jct. with Fairview Ave. 671 Comment
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Dec 22 2018
  RSA613446  Lotus hamatus D. L. Banks, Victor W. Steinmann 1997-3-13 1446 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR48400  Lotus hamatus Steve Boyd 1986-5-7 1843 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR120660  Lotus humistratus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1793 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  SEINET6655531  Lotus nevadensis var. nevadensis LeRoy Gross, Valerie Soza; Firoozeh Navidara 2003-6-23 1117 Riverside Peninsular Ranges; San Jacinto Mountains region: Black Mountain Road (4501), southeast of Black Mountain & northwest of Fuller Mill Creek. Near Lake Fulmor & Palm Springs. 7.5 Quad.; 0 613 Comment
  UCR4765  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725- 04 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  RSA775340  Lotus procumbens var. procumbens Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5021 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  JOTR30145  Lotus rigidus La Doux, Tasha 2008-2-4 1710 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA406790  Lotus rigidus N. R. Zabriskie, Walter M. Zabriskie 1970-6-1 328 Riverside Andreas Canyon area, east slope San Jacinto Mts. 427 Comment
  RSA697973  Lotus rigidus J. R. Bruff 1927-11-26 39 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  SEINET3563106 Image available Lotus rigidus Leila M. Shultz, John S. Shultz 1985-4-18 8331 Riverside Chuckawalla Mountains, 1 mile west of Astec Well, 11.7 miles south of I-15 616 Comment
  CLARK-A1703-68  Lotus scoparius William Horn, Jr. 1963-3-22 630322#1 Riverside Riverside 365 Comment
  UCR230925  Lotus scoparius var. brevialatus T. B. Salvato, Richard Camacho 2011-6-12 5478 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR243167  Lotus scoparius var. brevialatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4330 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  CLARK-A1528-488  Lotus strigosus Art Dawson 1968-4-17 Riverside Prado Dam Comment
  RSA519267  Lotus strigosus Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  RSA571289  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8269 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  RSA768759  Lotus strigosus Jim Andre, Tasha La Doux 2010-2-28 12563 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  UC80674  Lotus strigosus T. S. Brandegee 1902-5-14 Riverside Whitewater Comment
  UCR238485  Lotus strigosus Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 160 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  JOTR01080  Lotus strigosus Cole, James E. 1941-5-4 693 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  UCR151101  Lotus strigosus var. hirtellus Scott D. White, Julie Greene 1998-8-1 6970 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
  RSA708492  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  UCR214552  Lotus strigosus var. tomentellus A. C. Sanders 2010-3-15 37393 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA90388  Lotus strigosus var. tomentellus F. W. Peirson 1921-4-13 4085 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  RSA406466  Lotus tomentellus M. B. Dunkle 1937-3-25 4960 Riverside Dry Morongo. Comment
  RSA49170  Lotus tomentellus P. A. Munz 1949-4-13 13063 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  UCR52000  Lotus tomentellus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2166 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  JOTR16689  Lupinus andersonii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  POM177956  Lupinus arizonicus Joseph A. Ewan 1931-4-4 4151 Riverside mouth of Shaveris Canyon. Comment
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Jul 5 2010
  POM349941  Lupinus arizonicus N. R. Zabriskie, Walter M. Zabriskie 1973-3-20 591 Riverside Coyote Canyon, tributary to Deep Canyon, N slope Santa Rosa Mtns. 366 Comment
  SEINET2062842  Lupinus arizonicus George Helmkamp 1995-3-16 Riverside Coxcomb Mts, W of Rice Rd., 10.3 mi NE of Desert Center 198 Comment
  SEINET6180888  Lupinus arizonicus D. W. McNeal 1980-4-18 2305 Riverside Beside Hwy. #195 in Mecca Canyon, 9.6 mi. sw. of the jct. of Interstate #10.; 0 Comment
  OBI42677  Lupinus bicolor B. Pitzer & K. Kirtland, K. Kirtland 1986-5-6 201 Riverside Butterfield State Ranch dev, in the hills on the N side of Pauba Valley, in the Ranch Calif area, 1 mi S of Buck Mesa on the E side of Butterfield State Rd. T7S, R2W, sec 36 457 Comment
  RSA502901  Lupinus bicolor 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
  UCR155315  Lupinus bicolor A. C. Sanders, Mike Misenhelter 2005-3-23 29252 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR260855  Lupinus bicolor A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41423 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
  RSA442330  Lupinus bicolor subsp. microphyllus Elizabeth A. White 1928-03 s.n. Riverside Colorado Desert Comment
  UCR97493  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA34569  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-17 1434 Riverside San Jacinto Mtns. West side. 1372 Comment
  CLARK-A1528-496  Lupinus excubitus C. M. Flanagan 1973-5-20 OO 518 Riverside Banning 1188 Comment
  SD186209  Lupinus excubitus A. C. Sanders 2004-4-20 27572 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  POM11039  Lupinus formosus H. M. Hall 1901-06 2214 Riverside Onstatts Valley 1524 Comment
  RSA262118  Lupinus latifolius subsp. parishii E. W. Lathrop 1968-5-22 6932 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  RSA413837  Lupinus latifolius subsp. parishii M. B. Dunkle 1933-7-23 3765 Riverside San Jacinto Mt 2896 Comment
  JOTR31222  Lupinus shockleyi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2006 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  RSA414837  Lupinus sparsiflorus Freda Detmers 1933-3-25 17156 Riverside Between Banning and Cabazon. Comment
  UC1929914  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UC68636  Lupinus sparsiflorus H. M. Hall Apr 1905 5759 Riverside Palm Springs; Colorado Desert 152 Comment
  UCR113169  Lupinus sparsiflorus A. C. Sanders 1998-2-19 21651 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR256756  Lupinus sparsiflorus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7892 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
  RSA607352  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1938-5-1 1612 Riverside Peninsular Ranges: San Jacinto Valley; Hemet. Comment
  SEINET13198373 Image available Lupinus succulentus A. G. Vestal 1947-3-29 s.n. Riverside Comment
  RSA524455  Lupinus truncatus Steve D. Boyd 1990-4-3 4091 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
  UCR156095  Lupinus truncatus T. B. Salvato, Kent Beaman 2005-5-16 811 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
  UC843082  Luzula comosa var. laxa P. A. Munz 1922-7-6 6000 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  POM183693  Lycium andersonii Philip A. Munz 1931-3-13 11969 Riverside 5 mi. S. W. of Blythe. Comment
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Dec 3 2011
  UC111152  Lycium andersonii F. M. Reed 1907-2-12 1203 Riverside Arroyo Tequesquite Comment
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Jul 30 2006
  UCR281232  Lycium andersonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 50 Riverside Temescal Valley, Southern foot of the Gavilan Hills, vicinity of Black Powder Rd., slopes adjacent to N side of the horse track 393 Comment
  RSA0120557  Lycium cooperi Duncan S. Bell, Thomas Stoughton 2016-3-16 8940 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 399 Comment
  UC884602  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  UCR42411  Lycium fremontii J. M. Stewart 1986-1-27 86 11 Riverside Sonoran (Colorado) Desert, Hidden Spring Canyon, Mecca Hills, at jct of two washes on NW side. Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR36249  Machaeranthera asteroides var. asteroides Donald Myrick 1969-10-20 2127 Riverside San Jacinto Valley, near Mt. San Jacinto College, San Jacinto 488 Comment
  UCR114747  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22798 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  SD137862  Madia exigua Darin L. Banks, Steve Boyd 1995-5-9 392 Riverside Cleveland National Forest, Agua Tibia W Area, North face Agua TibiaMountain,Dorland Mountain area, west Dripping Springs Alcove,WoodchuckCamp 700 Comment
  JEPS13144  Madia gracilis Carl V. Meyer 1929-6-16 762 Riverside summit of trail between Idyllwild and Keen Camp (n of Saunders Meadow); San Jacinto Mountains 1737 Comment
  UCR133393  Madia gracilis Tracy Tennant, T. B. Salvato 1998-6-23 480 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  RSA0124287  Malacothamnus fremontii Duncan S. Bell 2016-4-16 9327 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SBBG27730  Malacothamnus orbiculatus L. Allen 1967-8-15 Riverside Hwy 71 near Hemet Comment
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May 23 2012
  HSC5995  Malacothrix californica R. A. Eagle 1964-3-28 17 Riverside 5 mi. this side of Palm Springs Comment
  RSA627852  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside Foothills NNE of Beaumont. 950 Comment
  RSA759211  Malacothrix clevelandii Robt Allen 2008-5-17 s.n. Riverside Bear Canyon Trail. Near boundary of San Mateo Wilderness 675 Comment
  SD136903  Malacothrix clevelandii Steve Boyd 1992-4-14 6837 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. 340 Comment
  UCR24138  Malacothrix clevelandii John C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  SEINET11808088  Malacothrix coulteri H. M. Hall 1902-1 2925 Riverside vicinity of Riverside 488 Comment
  JEPS36767  Malacothrix glabrata W. L. Jepson May 17 1901-Jun 1 1901 1254 Riverside 4 mi n Hemet; San Jacinto River Comment
  JOTR28936  Malacothrix glabrata La Doux, Tasha 2005-3-30 1172 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM362322  Malacothrix glabrata Ora M. Clark 1929-3-16 1693 Riverside South of Cabazon. Comment
  POM6231  Malacothrix glabrata I. M. Johnston 1917-4-4 1004 Riverside Palm Canyon 305 Comment
  RSA4970  Malacothrix glabrata C. B. Wolf 1932-4-27 3028 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA771656  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4912 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCR216337  Malacothrix glabrata Mike Bell 2008-3-19 041 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  CAS-BOT-BC347895  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1931-6-4 6643 Riverside Summit of Jackrabbit Trail Comment
  POM114622  Malacothrix stebbinsii A. M. Alexander, Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms 1311 Comment
  RSA678946  Malus sylvestris Scott D. White, Michael Honer 2003-6-3 9490 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  HSC7011  Marah macrocarpa C. L. Hitchcock 1966-3-15 24145 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA662129  Marah macrocarpa Daniel Curran 1981-2-16 10 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  UCD107549  Marah macrocarpa A. C. Sanders; G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19909 Riverside Lake Skinner area: upper Rawson Canyon, 2.2 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley. 595 Comment
  UCR120939  Marah macrocarpa A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24954 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR97675  Marah macrocarpa A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19909 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  HSC14693  Marina parryi C. L. Hitchcock 1966-3-21 24327 Riverside In Mule Mts.; 20 mi. SW of Blythe Comment
  POM128975  Marina parryi Childs 1920-12-1 s.n. Riverside Martinez Canyon, Santa Rosa Mts, Colorado Desert Comment
  RSA404232  Marina parryi Anstruther Davidson 1903-5-1 1904 Riverside Working Canyon Comment
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May 28 2010
  SD27989  Marina parryi Carl B. Wolf 1932-4-28 3088 Riverside Eastern Colorado Desert, southwest edge of Maria Mountains, 10 miles from Blythe on Rice Road. 500 Comment
  SEINET2063249 Image available Marina parryi B. Pitzer 1998-2-1 3444 Riverside Hayfield Dry Lake: Alluvial fan on N side of lakebed, from paved road down to lakebed. 426 Comment
  UCR52003  Marina parryi Steve Boyd 1988-3-10 2131 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  SDSU13590  Marrubium vulgare W. Miller with C. Mosse 1972-7-20 Riverside R.C. Weather station north boundary. Comment
  UCR155812  Matricaria occidentalis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA614472  Meconella denticulata D. L. Banks 1997-4-5 1703 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA644632  Medicago polymorpha Scott D. White 1993-3-12 1141 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  UCR126368  Medicago polymorpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 676 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR162409  Medicago polymorpha S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR40512  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7 mi west of Rancho California. 366 Comment
  POM348038  Medicago polymorpha N. C. Cooper 1944-4-22 1129 Riverside Banning. 732 Comment
  CSUSB855  Melia azedarach Margaret-Lee Dean 1965-5-13 Riverside Bernasconi Hills Bernasconi Hills; 6 miles east of Highway 395 on Martin Road 487 Comment
  UCR164285  Melica imperfecta S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR5910  Melica imperfecta Leland E. Francois 1966-4-23 42366- 7 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  CLARK-A1528-511  Melilotus albus Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  UCR273502  Melinis repens subsp. repens A. C. Sanders, Glen Morrison 2016-8-4 42614 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Corona Cala Camino near intersection with El Cerezo Rd., south side of Redonda Mesa 732 Comment
  POM3010  Mentzelia affinis I. M. Johnston, P. A. Munz 1918-4-27 2163 Riverside Near Corona. 274 Comment
  RSA779625  Mentzelia albicaulis var. albicaulis Duncan S. Bell 2010-4-1 659 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR20846  Mentzelia desertorum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1334 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  SBBG28080  Mentzelia involucrata D. Myrick 1964-4-30 831 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  SBBG99189  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  POM302281  Mentzelia involucrata var. megalantha Lyman Benson 1957-4-3 15715 Riverside 1/2 mile above the mouth of Whitewater Canyon. San Bernardino Mountains; Salton Sea Drainage 579 Comment
  RSA440420  Mentzelia involucrata var. megalantha W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. 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
  SEINET7048064  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UC170135  Mentzelia longiloba E. E. Schellenger 1894-12-2 107 Riverside Colorado Desert, Chuckawalla Wash. Comment
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1
  POM248399  Mentzelia longiloba var. longiloba Philip Crow 1939-7-22 s.n. Riverside Blythe. Comment
  UC1979565  Micropus californicus var. californicus Darin L. Banks, Steve Boyd 1995-5-9 397 B Riverside Cleveland National Forest, 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. Comment
  UCR112010  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2000-5-25 23407 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA559436  Microseris lindleyi Steve Boyd 1992-4-15 6856 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA741551  Microseris lindleyi Scott D. White, Justin M. Wood 2008-6-16 12117 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR174102  Microseris lindleyi A. C. Sanders 2006-5-19 32447 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
  UC943893  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1896 Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  RSA0036465  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA550792  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1069 Riverside 3.3 mi. N of Lakeview (at Ramona Expressway) along Davis Rd. ; 308 rd. mi. S of Hwy 60 485 Comment
  UCR116516  Mimulus aurantiacus var. pubescens Dan Hare 2001-4-26 s.n. Riverside Perris-Aguanga Basin region, Lake Perris State Recretion Area, approximately 1 km northeast of Bernasconi Beach, Lake Perris 600 Comment
  RSA60830  Mimulus aurantiacus var. puniceus Frank W. Gould 1944-4-5 2226 Riverside 17 mi. east of Temecula. Comment
  JOTR33997  Mimulus bigelovii var. bigelovii La Doux, Tasha, M. Harding 2010-4-7 2885 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCD96046  Mimulus bigelovii var. cuspidatus Dena Grossenbacher; Brian Green 2008-4-21 798 Riverside Along Lost Palms Oasis Trail starting about one mile from the trail head and continuing towards the palm oasis for about one mile. 1047 Comment
  RSA763894  Mimulus brevipes Doris Bowers 1972-4-15 1814 Riverside Dig at Rancho California - N/o camp 396 Comment
  UCR89473  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Mtns., Cleveland Nationall Forest, Agua Tibia Wilderness Area. south of Vail lake at the an base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Road. 884 Comment
  RSA606285  Mimulus diffusus Jon E. Keeley 1994-4-22 25326 Riverside Shipley Reserve 670 Comment
  UCR17275  Mimulus fremontii Eric Fisher 1979-4-20 s.n. Riverside 9 mi west of Aguanga on Hwy 79; southern oak woodland [near Dripping Spring] 549 Comment
  UCR137034  Mimulus guttatus A. C. Sanders 2004-5-5 27781 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
  UCR35254  Mimulus guttatus L. B. Ziegler 1968-7-17 330 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley). Valley floor; meadowy region near Lake Hemet 1357 Comment
  UC26917  Mimulus pilosus H. M. Hall 1901-7 2586 Riverside Tamarack Valley San Jacinto Mountains 2499 Comment
  SDSU10801  Mimulus tilingii Garrison 1962-7-29 Riverside 2 miles beyond Black Mountain camp ground. 2134 Comment
  JOTR29604  Mirabilis bigelovii var. retrorsa Andre, Jim 2006-4-26 6761 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  CAS-BOT-BC434685  Mirabilis laevis var. crassifolia W. G. Wright 1890-4-1 s.n. Riverside Whitewater, Colorado Desert Comment
  CAS-BOT-BC434689  Mirabilis laevis var. crassifolia Marian L. Campbell 1921-3-19 58 Riverside Banning to Palm Springs Comment
  SEINET3142118  Mirabilis laevis var. retrorsa H. M. Hall 5798 Riverside Colorado Desert; 10 mi west of Coachella 91 Comment
  UC851827  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood springs Comment
  UCR245899  Mirabilis laevis var. retrorsa R. F. Thorne 1995-3-29 63007 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA0112094  Mirabilis laevis var. villosa Duncan S. Bell 2010-2-20 541 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  UC1563079  Mirabilis laevis var. villosa Steve Boyd and Orlando Mistretta 1986-3-13 1480 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  RSA715244  Modiolastrum lateritium A. C. Sanders, T. B. Salvato 2006-5-4 32245 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  RSA136564  Mohavea confertiflora Peter H. Raven 1959-1-23 11432 Riverside Desert alluvial fan of Fargo Canyon. Comment
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Jun 9 2012
  POM96251  Mohavea confertiflora E. C. Jaeger 1925-12-20 s.n. Riverside Fish Traps Comment
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Feb 3 2011
  RSA0003914  Monardella australis H. M. Hall 1901-07 2486 Riverside In open forests of Tamarack Valley. 2805 Comment
  RSA663200  Monardella lanceolata var. lanceolata Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  UCR19082  Monardella linoides subsp. linoides John C. Roos 1946-9-14 3009 Riverside Santa Rosa Mountains, Taylor, desert slope on Palms to Pines Highway 1098 Comment
  UC63743  Monardella macrantha subsp. hallii H. M. Hall 1897-6-19 669 Riverside San Jacinto River San Jacinto Mountains 1341 Comment
  LA96083  Monardella nana Elizabeth McClintock; 1941-7-15 114 Riverside San Jacinto Mountains, on slope S of Strawberry Creek, and W of Domengonio Flats Comment
  LA96107  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 75 Riverside Santa Rosa Mountains, road up. 4.5 mi above Pines to Plams Hwy Comment
  RSA750398  Monardella nana subsp. arida Elizabeth McClintock, J. Fenley 1940-5-31 15 Riverside 2 miles east of Ribbonwood Camp, Pines to Palms Highway. Comment
  SD255660  Monolopia lanceolata Cindy Daverin 2015-3-11 Riverside Gavilan Hills, El Sobrante Landfill mitigation property/Lake Mathews-Estelle Mountain Reserve, south of Lake Mathews and of Cajalco Road, 1.3 km WNW (288a^z) of Monument Peak (Lake Mathews 7.5'Q) 442 Comment
  CAS-BOT-BC349790  Monoptilon bellioides F. W. Peirson 1920-2-15 1383 Riverside Near Palm Springs, Coachella Valley Comment
  POM122601  Monoptilon bellioides Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA457759  Monoptilon bellioides Steve Boyd, S. Meury, Laurel Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2126 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCD86560  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside and Vicinity spring brook above Fairmont Park. 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
  SEINET251740 Image available Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line (Fallbrook 7.5' Q.:). 640 Comment
  UC1117712  Muhlenbergia microsperma A. A. Beetle 1946-4-18 4231 Riverside near Murietta; DeLuz Comment
  UCR215454  Muhlenbergia porteri Jim Andre, T. La Doux 2008-9-16 10689 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UCR1409  Muilla maritima Frank C. Vasek 1958-5-9 580509- 03 Riverside San Bernardino Valley Region, Reche Canyon Road, 0.1 mile north of Ferndale School Comment
  PASA2572  Myosurus minimus Frank W. Peirson 1922-4-29 2945 Riverside Lake Elsinore Comment
  RSA346261  Nama demissa Robert F. Thorne, C. W. Tilforth, L. M. Shultz, Elbert Benjamine, J. Hogge 1980-4-16 54047 Riverside Along Whitewater River, E of bridge and levee. Comment
  UCR254220  Nama demissa Dave Silverman, Onkar Singh 2010-3-26 7838 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 1.0 km east of Black Creek Rd, 5.6 km west of McCoy Wash, and 8.6 km north of I-10 152 Comment
  CSUSB116  Nama demissum var. demissum Nancy Robb 1966-4-5 Riverside Dry, rocky slopes along highway between Yucca Valley and the Banning- Indio Freeway, four miles south of Morongo Valley. 914 Comment
  RSA4961  Nama hispida var. spathulata Carl B. Wolf 1932-4-27 3036 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  CAS-BOT-BC219361  Nama stenocarpa A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23173 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UCD119548  Nama stenocarpa D. E. Bramlet; A. C. Sanders, M. Costea, and T. Salvato 1999-10-15 2817 Riverside Mystic Lake. The site is 198m S of Gilman Hot Springs Rd, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit trail. 433 Comment
  JEPS75612  Nassella lepida W. L. Jepson 1935-4-21 17163 Riverside Wisser Valley Comment
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Apr 7 2009
  SBBG53741  Nassella lepida L. S. Rose 1980-5-11 Riverside Harford Springs County Park, E side of Gavilan Rd Comment
  SBBG119001  Nassella pulchra S. D. White with M. Honer 2004-4-6 10060 Riverside Temescal Valley, just N of the I-15 Hwy and E of Indian Truck Trail, S and W of Lee Lake; T5S R5W S7, SW/4 & adjacent S12 335 Comment
  CAS-BOT-BC109109  Nemacaulis denudata var. gracilis Barbara Ertter; Jeffrey Strachan 1980-5-20 3475 Riverside On north side of Whitewater Wash, west side Miles Avenue N of Highway 111 between Palm Desert and Indio at Indian Wells. 30 Comment
  CAS-BOT-BC109113  Nemacaulis denudata var. gracilis S. B. Parish 1906-5-1 827 -6718 Riverside On Colorado desert at 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
  RSA586311  Nemacladus longiflorus var. longiflorus D. L. Banks, S. D. Boyd 1995-5-3 0222 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA0121062  Nemacladus orientalis Duncan S. Bell, Thomas Stoughton 2016-3-16 8949 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR127937  Nemacladus orientalis A. C. Sanders, E. J. Lawlor 1992-4-4 12118 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0112630  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mtns: NNE of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St. 950 Comment
  UCR127943  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  NY547192  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mt., Colorado Desert 150 Comment
  JEPS7616  Nemacladus tenuis var. tenuis E. E. Schellenger Apr 1920 Riverside Chuckwalla Bench; Colorado Desert Comment
  RSA0059611  Nemophila menziesii 1917-4-4 Riverside Palm Canyon 762 Comment
  RSA613472  Nemophila menziesii var. menziesii D. L. Banks, Victor W. Steinmann 1997-3-13 1449 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR265850  Nicotiana Mitch Provance 2013-4-8 413- 10 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA192313  Nicotiana bigelovii var. wallacei H. A. Zuill 1966-7-1 272 Riverside Main Divide Truck Trail in the moutains south of Elsinore Lake. Comment
  JOTR30057  Nicotiana obtusifolia La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1690 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  JOTR35340  Nicotiana obtusifolia Harding, Mitzi, Mark Wheeler 2012-2-28 106 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA0020228  Nicotiana quadrivalvis R. S. Woglum 1937-5-22 532 Riverside Anza, Cahuilla Valley. Comment
  POM355283  Oenothera californica D. A. Young 1969-3-28 P- 330 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  SDSU13602  Oenothera californica subsp. californica W. Miller Riverside Comment
  LA206198  Oenothera deltoides A. M. Johnson; 1933-4-28 4206 Riverside E of Cool's Ranch, 4 mi N of Indian Wells, and 15 mi. below Palm Springs Comment
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Mar 10 2014
  UCR85080  Oenothera deltoides A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16033 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CHSC1150  Oenothera deltoides subsp. deltoides E. Thomas 1940-3-30 Riverside Cathedral City. 137 Comment
  POM355579  Oenothera deltoides subsp. deltoides N. C. Cooper 1949-4-9 3327 Riverside Blythe. 81 Comment
  RSA75419  Oenothera deltoides subsp. deltoides F. W. Peirson 1922-4-6 782 Riverside Near the White Water Bridge, head of Coachella Valley. Comment
  CLARK-A1528-2863  Olneya tesota John C. Roos 1965-12-4 Riverside Colorado Desert 365 Comment
  UC52164  Olneya tesota E. E. Schellenger Jul 25 1903-Aug 14 1903 12 Riverside Chuckwalla Bench; Colorado Desert Comment
  CAS-BOT-BC516766  Oncosiphon piluliferum R. E. Riefner, Jr. 2012-3-31 12 -63 Riverside City of Hemet, N. of Florida Ave. and S of W. Devonshire Ave and E of Meyers St 1514 Comment
  RSA709916  Opuntia basilaris var. basilaris Leland Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground., Between N33deg 37' 15'', W115deg 19' 39'' and N33deg 36' 52, W115deg 19' 54. 503 Comment
  UCR257140  Opuntia californica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24940 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UC403457  Opuntia chlorotica Munz and Johnston 1922-5-20 5571 Riverside near Kenworthy (mouth of creek, coastal drainage of mts.); San Jacinto Mountains, Thomas Valley, Pipe Creek 1371 Comment
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Mar 13 2011
  UCR119405  Opuntia microdasys Mitch Provance 1998-6-24 756 A Riverside Jurupa Mountains, Glen Avon Heights, property north of the end of Flemming St., and just south of the Glen Avon Quarry. 259 Comment
  POM274016  Opuntia parryi Lyman Benson 1933-3-31 4147 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA388331  Opuntia vaseyi Steve Boyd 1986-5-7 1833 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA356992  Orcuttia californica R. F. Thorne 1973-5-23 43859 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  UC469006  Oreostemma alpigenum var. andersonii F. M. Reed 1908-7-10 2532 Riverside Round Valley San Jacinto Mountains 2743 Comment
  UC86924  Oreostemma alpigenum var. andersonii A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  RSA0076203  Orobanche californica subsp. feudgei Philip A. Munz 1927-5-21 10897 Riverside Coahuila Valley, Ansa. [Cahuilla Valley, Anza] 1372 Comment
  UC1520678  Orobanche cooperi Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-22 6467 Riverside 7 mi ssw of Rice (Rice Valley); Rice Valley 274 Comment
  UC729742  Orobanche cooperi Carl B. Wolf 1932-4-29 3113 Riverside 4 mi s of Browns Well (Eastern Colorado Desert, Blythe-Rice Road); Eastern Colorado Desert, Blythe-Rice Road 213 Comment
  CAS-BOT-BC502864  Orobanche cooperi subsp. cooperi F. O. Ballou 1926-2-27 s.n. Riverside Old beach line near Fish Springs Comment
  RSA560836  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross 1992-5-4 7186 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA619565  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-5-5 2003 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SD136900  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Cyn about Potrero Escondido due west of junction Tenaja and Los Alamos Rds 669 Comment
  SDSU12938  Oxalis pilosa Jutta Buschbom 1991-5-31 42 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR225156  Oxytheca caryophylloides Steve Boyd, Gary Wallace 2005-7-30 11653 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  UCR44206  Oxytheca emarginata A. C. Sanders 1986-6-1 s.n. Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA64894  Oxytheca trilobata F. W. Peirson 1922-5-21 5349 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  RSA739713  Oxytheca trilobata A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35622 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1 mile WSW of Fleming Ranch 1585 Comment
  RSA78288  Oxytheca trilobata P. A. Munz, E. K. Balls 1952-8-21 17967 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  SEINET3148312  Palafoxia arida S. B. Parish 1907-4-19 6098 Riverside Western border of the Colorado desert 150 Comment
  POM6185  Palafoxia arida var. arida I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA23143  Palafoxia arida var. arida I. L. Wiggins 1938-3-19 8902 Riverside 25 miles W of Blythe. Comment
  RSA674758  Panicum acuminatum var. acuminatum Scott D. White, Teresa Salvato 2001-6-8 8573 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR265196  Panicum urvilleanum David Fraker, Aaron C. Sedgwick 2012-5-8 93 Riverside Sonoran (Colorado) Desert, south of Hwy 111 along dunes at base of the San Jacinto Mtns. 375 Comment
  CAS-BOT-BC274187  Pappostipa speciosa H. M. Hall 1899-5-1 1177 b Riverside El Toro Mt. Comment
  SEINET1909742 Image available Pappostipa speciosa Sarah De Groot, Janelle De Groot 2005-1 4989 Riverside South end of Providence Mountains, Arroweed Spring, end of dirt road NE of Kelbaker Road. Horse Hills area. 366 Comment
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Jul 9 2014
  UCR214275  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 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-15 438 Comment
  RSA496741  Parietaria hespera var. californica Steve Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  POM183986  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  LA45756  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  RSA791480  Parkinsonia florida Jim Andre 2012-4-15 20852 Riverside West end of Hayfield Dry Lake, 0.3 mi. N of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  SBBG3284  Parkinsonia florida H. and M. Dearing 1941-4-9 4627 Riverside near Mecca Comment
  SD113585  Parkinsonia florida Darley F. Howe 1952-4-27 2186 Riverside Box Canyon east of Mecca. Comment
  RSA704041  Parosela spinosa J. Russell Bruff 1929-12-28 453 Riverside Dos Palmas Comment
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Apr 28 2011
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  UCR274825  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-13 113 Riverside Southcentral Mojave Desert, west side of the West Riverside mountains, Hwy 62 to Rice Valley Road, Rice Valley 256 Comment
  UCR241824  Pectocarya A. C. Sanders, Timothy W. Chumley 2013-4-3 40759 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  RSA191740  Pectocarya heterocarpa R. F. Thorne 1963-3-29 32389 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SEINET2042518 Image available Pectocarya linearis A. C. Sanders 2001-3-20 23852 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
  UCR208178  Pectocarya linearis L. C. Wheeler 1970-4-5 s.n. Riverside Sonoran (Colorado) Desert, west of Desert Hot Springs, by old road to 29 Palms Comment
  UCR260878  Pectocarya linearis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41566 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  UCSB10518  Pectocarya linearis subsp. ferocula Haller, John 1957-3-23 Riverside Morongo Wash; ca. 4.5 rd. mi. N of US 99; and 3 air miles S. of Riverside-San Bernardino Co. Line 609 Comment
  POM368787  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet. 770 Comment
  POM9558  Pectocarya penicillata P. A. Munz, R. D. Harwood 1920-2-28 3237 Riverside 2 mi. southeast of Corona 274 Comment
  RSA49173  Pectocarya platycarpa P. A. Munz 1949-4-13 13062 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 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
  UCR139716  Pectocarya platycarpa B. G. Pitzer 1989-4-16 1306 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR216116  Pectocarya platycarpa Jim Andre, T. La Doux 2009-2-25 10815 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  JEPS68235  Pectocarya setosa W. L. Jepson 1901-5-24 1420 Riverside Van Deventer Ranch Santa Rosa Mountains, Van Deventer Flat, Van Deventer Ranch Comment
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Feb 28 2014
  UCR91598  Pedicularis densiflora D. L. Banks, Steve Boyd 1995-3-15 0060 Riverside NW Palomar Mtns, Agua Tibia Mountains Watershed: Agua Tibia Wilderness Area, N face of Agua Tibia Mountain, Dorland Mountain area 680 Comment
  UCSB18151  Pediomelum californicum Gates, Mary 1964-5-17 Riverside Pinyon Flats Campground, State Highway 74, 25 miles SE of Indio 1219 Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  CLARK-A1528-3588  Pellaea andromedifolia John C. Roos 1937-5-2 1417 Riverside La Sierra Comment
  JOTR30842  Pellaea mucronata var. californica Andre, Jim, Tasha La Doux 2008-9-16 10703 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  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
  SD73461  Penstemon E. W. Lathrop 1969-5-29 7082 Riverside 8 miles west of Murrieta on the Main Divide Truck Trail between Tenaja Rd. and Los Alamos Canyon, along stream Comment
  UCR35259  Penstemon X parishii L. B. Ziegler 1970-6-28 410 Riverside Peninsular Range; San Jacinto Mtns., Thomas Mtn 1951 Comment
  OBI32752  Penstemon centranthifolius E. W. Lathrop 1966-4-27 6211 Riverside Main Divide Truck Trl between El Carriso and San Mateo Cyn. Cleveland Natl Forest 1219 Comment
  POM49149  Penstemon centranthifolius Philip A. Munz 1924-5-18 8132 Riverside 18 miles from Banning on Idyllwild Road Alt. 1524 Comment
  RSA33639  Penstemon centranthifolius N. C. Cooper 1944-5-5 2000 Riverside Banning. 701 Comment
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Mar 13 2011
  UCSB16963  Penstemon centranthifolius Feldmann, P. 1963-5-4 Riverside 5 mi. along road from Banning; on road from Banning to Idyllwild 1371 Comment
  CAS-BOT-BC265280  Penstemon clevelandii Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9020 Riverside Santa Rosa Mountains: ca 0.05 mile S on Santa Rosa Mountain Road from Highway 74 1402 Comment
  NY583953  Penstemon clevelandii var. connatus R. F. Thorne 1978-4-23 52077 Riverside Bighorn Lookout: north slope of Santa Rosa Mountains Comment
  RSA408448  Penstemon grinnellii M. B. Dunkle 1933-7-21 s.n. Riverside Idyllwild. 1616 Comment
  SD186344  Penstemon grinnellii T. B. Salvato, John F. Green 2004-5-27 574 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 1341 Comment
  UC887057  Penstemon grinnellii P. A. Munz 1922-7-8 6062 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  RSA192104  Penstemon heterophyllus var. australis E. W. Lathrop 1960-6-7 4892 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
  UC27406  Penstemon rostriflorus H. M. Hall 1901-6-24 2238 Riverside Squirrel Creek San Jacinto Mountains, Squirrel Creek (in canyons of the w side, San Jacinto Mountains) Comment
  POM12005  Penstemon spectabilis E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  SEINET4097936  Penstemon spectabilis C. Davidson 1975-1 2805 Riverside About 4 miles south of Banning on road R1 to Idyllwild. 1127 Comment
  SEINET238564  Penstemon spectabilis var. spectabilis George K. Helmkamp 1998-6-27 4085 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  RSA701748  Pentachaeta aurea Steve Boyd, Valerie Soza 2004-6-22 11547 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
  SEINET3148378  Pentachaeta aurea F. M. Reed 1908-7-14 2455 Riverside Strawberry Valley, San Jacinto Mts. Comment
  UCR261394  Pentagramma triangularis Joseph Cahill 2011-1-8 111- 19 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR133973  Peritoma arborea Mitch Provance, J. S. Ross 1998-3-27 MOR- 962 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCSB3807  Peritoma arborea Bobkowski, Jr., Vincent 1960-4-2 Riverside South entrance to Joshua Tree National Monument, Cottonwood Spring entrance, 1/2 mile North of U.S. 60-70 Comment
  CAS-BOT-BC77474  Peritoma arborea var. angustata Aven Nelson 1930-3-1 11168 a Riverside No. of Palm Springs Comment
  CAS-BOT-BC77526  Peritoma arborea var. arborea Philip A. Munz 1940-3-24 15713 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  CAS-BOT-BC77530  Peritoma arborea var. arborea Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  JOTR32851  Perityle emoryi La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1166 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  SBBG92824  Perityle emoryi D. Charlton 1988-2-18 1121 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  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
  UCR274808  Perityle emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 024 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  SEINET11809878  Perityle emoryi J. F. Bright, Wyman, C. 1933-1 8076 Riverside near Palm Springs Comment
  CAS-BOT-BC418846  Persicaria hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon Comment
  POM12018  Petalonyx linearis E. C. Jaeger 1920-4-7 1197 Riverside Rockhouse Canyon, Santa Rosa Mts. Comment
  CAS-BOT-BC167757  Petalonyx thurberi K. Bonner 1977-10-28 2569 Riverside 2 mi. West of Red Cloud Road Comment
  CAS-BOT-BC167761  Petalonyx thurberi R. F. Hoover 1966-10-15 10155 Riverside Dead Indian Creek wash, south of Palm Desert Comment
  RSA264432  Petalonyx thurberi C. W. Tilforth, Jeff Barnes 1976-7-21 1223 Riverside Along Hwy 195 in large sandy wash, 15 miles NE of Mecca Comment
  UCR126423  Petalonyx thurberi T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 57 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  RSA381551  Petunia A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the N side of Spruce St. between Rustin and canyon Crest Streets. 305 Comment
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Apr 5 2016
  LA203888  Peucephyllum schottii Martha Hilend; 1929-12-27 365 Riverside Shafer's Wells Comment
  RSA790632  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 11 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  SD258888  Peucephyllum schottii Sarah J. De Groot, Thomas Stoughton 2016-2-18 7627 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon. 181 Comment
  UCR148305  Peucephyllum schottii 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
  CHSC8269  Phacelia Edward L. Smith 1958-3-21 353 Riverside Located 10 mi. e of Indio on hwy. 60. 213 Comment
  RSA0103625  Phacelia Duncan S. Bell 2015-9-30 8651 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  POM211621  Phacelia affinis A. M. Alexander, Louise Kellogg 1941-5-5 2123 Riverside Los Horse Valley. 1280 Comment
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Feb 4 2013
  RSA427702A  Phacelia ambigua Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA0042496  Phacelia brachyloba Ed Kentner, Onkar Singh 2014-4-4 365 Riverside Cleveland National Forest, near Main Divide Road approx. 2 km southeast of Ortega Hwy 843 Comment
  RSA525262  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4575 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR230930  Phacelia campanularia T. B. Salvato, Richard Camacho 2011-6-12 5486 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA613708  Phacelia cicutaria var. hispida George K. Helmkamp 1998-4-3 3090 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve. 1.1 mile NW of the ranch house besides a gauging station along the creek. 747 Comment
  UCR174174  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32594 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
  UCR214569  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37850 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  SEINET7048178  Phacelia cicutaria var. hispida Steven R. Hill 2001-5-3 33684 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CLARK-A1528-5437  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA0107847  Phacelia crenulata Duncan S. Bell, Amanda Turek 2009-3-30 169 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  SEINET10496983  Phacelia crenulata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 24 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UCR112089  Phacelia crenulata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23363 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  CSUSB136  Phacelia crenulata var. ambigua D. T. Wright 1966-3-5 Riverside 2 miles south of Palm Desert, at mouth of Deep Canyon. Comment
  RSA0043232  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-20 302 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC881052  Phacelia crenulata var. ambigua C. L. Hitchcock 1940-3-30 5877 Riverside Cottonwood Spring Comment
  UCR104821  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-2-5 2663 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA314615  Phacelia distans Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55483 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA78476  Phacelia distans Verne Grant, Alva Grant 1952-3-20 17506 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  UCR201488  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  JOTR01175  Phacelia distans Cole, James E. 1941-3-30 451 Riverside Joshua Tree National Park. PINTO BASIN 609 Comment
  JEPS1187  Phacelia minor W. L. Jepson 1928-4-19 12435 Riverside hills 5 mi n Elsinore 609 Comment
  SD247661  Phacelia minor J. Mark Porter, Lauren E. Machen 1997-2-15 11418 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mile NE of the Highway 74 exit at Lake Elsinore. 390 Comment
  UCR111551  Phacelia minor Mitch Provance, J. Ross 1999-4-1 1730 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR133411  Phacelia minor Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 320 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCSB10391  Phacelia minor Wedberg, H. 1957-3-22 Riverside Hwy. 71, Alberhill Comment
  UCR98690  Phacelia ramosissima 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
  UC699662  Phacelia suaveolens var. keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak Santa Ana Mts. (type locality) 1219 Comment
  CLARK-A1528-5060  Phacelia vallis-mortae John C. Roos 1937-4-18 679 Riverside Mount San Jacinto 487 Comment
  UCR14393  Phalaris aquatica George K. Helmkamp 1974-7-14 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  POM263357  Phalaris lemmonii J. C. Roos 1937-5-10 456 Riverside Lake Elsinore. Comment
  UCR280978  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 83 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  POM14420  Phalaris minor P. A. Munz, I. M. Johnston 1922-5-19 5381 Riverside 8 miles NE of Murietta. 412 Comment
  RSA736307  Phalaris paradoxa Scott D. White, Justin M. Wood 2008-5-13 11954 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  POM14423  Phleum pratense P. A. Munz 1922-7-4 5967 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA552751  Pholistoma racemosum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6737 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman s Camp. 366 Comment
  SD232810  Phoradendron bolleanum Scott D. White 1995-12-24 3796 Riverside Juniper Flats Rd. ca. 1.5 road miles N of jct. w/ SR 74. 609 Comment
  LA209834  Phoradendron californicum A. M. Johnson; 1932-3-20 3905 Riverside Indian Wells, below Palm Springs Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  RSA475287  Phoradendron californicum Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2103 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA698142  Phoradendron californicum W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  UCR48552  Phoradendron californicum J. Glazner 1985-3-30 s.n. Riverside Sonoran (Colorado) Desert, Just south of I-10 at Box Canyon Road, 4 mi. west of Chiriaco Summit 274 Comment
  UCR99806  Phoradendron californicum B. G. Pitzer 1996-11-11 2932 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  RSA423828  Physalis crassifolia H. de Forest 1925-4-17 s.n. Riverside Cabazon. Comment
  RSA747836  Physalis crassifolia Scott D. White, Justin M. Wood 2009-4-28 12602 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC56825  Physalis crassifolia H. M. Hall May 1901 1848 Riverside borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains Comment
  UC987824  Physalis crassifolia Reid Moran 1941-5-5 857 Riverside Cottonwood Pass; Eagle Mts. Comment
  UCR260255  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  RSA384369  Pinus monophylla N. C. Cooper 1943-9-11 893 Riverside San Jacinto Mtns. Eastern slope at roadside 1220 Comment
  UCR103792  Piptatherum miliaceum Scott D. White 1994-10-21 2510 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  SD240929  Plagiobothrys acanthocarpus A. C. Sanders, T. B. Salvato 2011-4-1 38943 Riverside Peninsular Range: Lake Elsonore, SW of Baker St along dirt branch road to microwave tower, near large water tank on hill (Lake Elsinore 7.5'Q) 409 Comment
  SD178181  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles west-northwest of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 462 Comment
  UCR113733  Plagiobothrys canescens Mitch Provance 2000-5-5 2016 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  JEPS68010  Plagiobothrys collinus W. L. Jepson 1939-4-17 19130 Riverside near Twin Springs; Temescal Canyon 274 Comment
  SEINET6060264  Plagiobothrys collinus Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR172255  Plagiobothrys collinus 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
  UCR241852  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy W. Chumley 2013-4-3 40769 Riverside Peninsular Range, Temescal Canyon south of Horsethief Canyon Rd. off the west shoulder of I-15 Fwy, SE of Corona (Lee) Lake 392 Comment
  RSA679813  Plagiobothrys collinus var. fulvescens LeRoy Gross, Valerie Soza 2003-5-8 835 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  SBBG128891  Plagiobothrys collinus var. fulvescens A. C. Sanders, T. W. Chumley 2013-4-2 40735 Riverside Temescal Cyn at W side of Horsethief Cyn Rd, S of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR47600  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  RSA496130  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3009 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  RSA747866  Plagiobothrys tenellus Justin M. Wood 2009-5-11 703 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR157674  Plagiobothrys tenellus Scott D. White 1995-3-30 2648 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
  UCR281120  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 24 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  PASA25  Plantago erecta 1926-2-21 Riverside Thousand Palms Comment
  RSA85580  Plantago erecta J. C. Roos 1952-4-2 5461 Riverside Box Springs. 488 Comment
  SD137693  Plantago erecta Darin L. Banks 1995-5-9 328 Riverside NW Palomar Mountains N. of 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. 730 Comment
  CLARK-A1528-696  Plantago lanceolata Pat Halligan 1968-5-6 Riverside Riverside Comment
  UCSB52999  Plantago lanceolata Pritchett, David 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Highway 195 Comment
  RSA0024821  Plantago ovata Jim Andre 2013-3-4 23871 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
  UC1922394  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC577432  Plantago ovata J. and H. W. Grinnell 1937-11-30 1083 a Riverside 24 mi w Blythe (Bed of Ford Dry Lake); Ford Dry Lake Comment
  UC69215  Plantago ovata E. E. Schellenger Apr 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  UCR72205  Plantago ovata Theo Glenn 1992-3-31 92- 12 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA27476  Plantago ovata var. fastigiata I. L. Wiggins 1941-3-24 3588 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
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Feb 20 2013
  POM94813  Plantago ovata var. fastigiata Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  RSA741371  Plantago patagonica Scott D. White, Justin M. Wood 2008-5-15 11981 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA604604  Platanus racemosa Louis C. Wheeler 1961-10-8 7930 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. 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
  UC167979  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  RSA751414  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-16 08 -369 Riverside City of Temecula, Pechanga Pkwy. at Pechanga Resort Dr. 338 Comment
  RSA701406  Plectritis ciliosa subsp. insignis Steve D. Boyd, Aydee Virgen 2004-4-13 10890 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  POM1027  Pleuraphis rigida H. M. Hall 1902-04 2847 Riverside Coyote canyon 152 Comment
  RSA273302  Pleuraphis rigida J. P. Smith, J. O. Sawyer 1973-6-10 6887 Riverside Joshua Tree National Monument, Riverside County. Comment
  RSA697726  Pleuraphis rigida J. Russell Bruff s.n. Riverside Palm Springs. Comment
  RSA91979  Pleuraphis rigida F. W. Peirson 1921-3-22 2369 Riverside Murray Canyon, near Palm Springs 396 Comment
  CLARK-A1528-1104  Pleurocoronis pluriseta John C. Roos 1946-10-26 3141 Riverside Chuckwalla Mountains 487 Comment
  CAS-BOT-BC326531  Pluchea sericea G. P. Rixford 1911-4-1 s.n. Riverside Needles Comment
  HSC28064  Pluchea sericea Richard Spjut 1973-5-4 3349 Riverside Colorado Desert, Corn Spring, Chuckawalla Mtns. 305 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
  CAS-BOT-BC254572  Poa fendleriana subsp. longiligula Ralph Hoffmann 1929-9-6 s.n. Riverside Mount San Jacinto 2590 Comment
  OBI5814  Polemonium pulcherrimum C. B. Wolf 1928-7-28 3042 Riverside Summit wolf creek, Pass Juan Mountains. Mineral Co. 3322 Comment
  CAS-BOT-BC167526  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-9 2139 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains 975 Comment
  UCR156357  Polygonum lapathifolium T. B. Salvato, Kent Beaman 2005-5-16 868 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
  UCR282411  Polygonum lapathifolium Mitch Provance 2009-7-1 709- 07 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  UCR9559  Polygonum lapathifolium O. F. Clarke 1968-9-18 s.n. Riverside From the campus of the University of California at Riverside Comment
  UCR40195  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  SDSU13387  Polypodium californicum Shasta Gaughen, M. G. Simpson 2000-4-1 4 Riverside Intermittent stream bed ca. 200 yards east of Northside Field Station, Santa Margarita Ecological Reserve (SDSU). 305 Comment
  UCR96808  Polypodium californicum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19763 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UC573864  Polypogon monspeliensis H. S. Yates 1937-6-27 6706 Riverside near Relief Hot Springs; San Jacinto Quadrangle, near Relief Hot Springs Comment
  RSA6648  Populus X parryi Carl B. Wolf 1932-5-25 3661 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  CAS-BOT-BC102587  Populus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC102604  Populus fremontii Marian L. Campbell 1921-3-19 34 Riverside Banning Comment
  UCD135035  Porophyllum gracile William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA597532  Potamogeton L. C. Wheeler 1957-11-30 7276 Riverside Coachella drainage ditch, ca. 1.5 mi. south southeast of Thermal. Comment
  UC489190  Potamogeton diversifolius C. V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  UCR140652  Potentilla glandulosa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 11- 78 Riverside San Jacinto Mtns, San Bernardino National Forest, 5 miles north of Idyllwild on Hwy 243, Site L11 1775 Comment
  RSA87020  Prosopis glandulosa var. torreyana F. W. Peirson 1914-04 1995 Riverside Whitewater at head of Coachella Valley. Comment
  SEINET7048066  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UC68617  Prosopis pubescens H. M. Hall Apr 1905 5988 Riverside near Indio; Colorado Desert 30 Comment
  CLARK-A1528-4028  Prunus emarginata John C. Roos 1937-8-18 2410 Riverside San Jacinto Mountains Comment
  RSA721886  Prunus fasciculata J. Mark Porter, Orlando Mistretta 2003-6-5 13618 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  RSA516750  Prunus ilicifolia Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SEINET2054372 Image available Psathyrotes ramosissima W. H. Earle 1974-12-8 Riverside Haywood Rd. north of Rt. 60. Comment
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Aug 25 2013
  UCR275518  Psathyrotes ramosissima D. E. Bramlet 2010-3-1 4445 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA94086  Psathyrotes ramosissima F. W. Peirson 1918-03 1426 Riverside Between Palm Springs and Indio. Comment
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Feb 22 2009
  CAS-BOT-BC356598  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2644 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  JEPS34075  Pseudognaphalium stramineum Carl V. Meyer 1928-7-30 Riverside Saunders Meadow San Jacinto Mts., Saunders Meadow Comment
  SD262211  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 37 Riverside Perris-Aguanga Basin: Menifee, SE corner of Musick Rd and Murrieta Rd (Romeland 7.5'Q) 454 Comment
  RSA788989  Psorothamnus arborescens Aaron C. Sedgwick, David Fraker 2012-3-28 15 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC15157  Psorothamnus arborescens var. simplicifolius S. B. Parish Apr 4-13 1896 4111 Riverside Palm Springs, (Aqua Caliente) desert base of San Jacinto Mountain 152 Comment
  UCR144127  Psorothamnus arborescens var. simplicifolius Scott D. White 2001-4-18 8357 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  LA205192  Psorothamnus emoryi Louis Wheeler; 1931-11-26 392 Riverside Salton Sea 2 mi. SE Salton Bench Mark -67 Comment
  POM147641  Psorothamnus emoryi F. M. Reed 1927-3-20 5406 Riverside Salt Creek Wash. Comment
  RSA517250  Psorothamnus emoryi Steve D. Boyd 1986-2-18 1320 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UC370447  Psorothamnus emoryi H. E. Parks 1929-2-10 395 Riverside Palm Springs to Salton Sea; Palm Springs to Salton Sea Comment
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Apr 25 2011
  SD27953  Psorothamnus emoryi var. emoryi Carl B. Wolf 1932-4-26 2967 Riverside Colorado Desert 3 miles east of Mecca on blythe road Comment
  CAS-BOT-BC340875  Psorothamnus schottii John Thomas Howell 1928-3-25 3548 Riverside At entrance to Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC340916  Psorothamnus schottii Roxana S. Ferris 1953-3-9 12594 Riverside Access road to Los Angeles Aqueduct up Berdoo Canyon, about 2 miles northeast of Indio-Desert Hot Springs Road Comment
  RSA404274  Psorothamnus spinosus M. V. Hood 1931-06 s.n. Riverside Coachella Valley, Coral Reef Ranch. Comment
  UC218099  Pterospora andromedea P. A. Munz 1922-7-6 6009 Riverside Fern Valley San Jacinto Mts. (upper part, foot of zig-zag to Tahquitz Valley) 1828 Comment
  JOTR31854  Pterostegia drymarioides La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2112 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA523470  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4029 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC64579  Pterostegia drymarioides H. M. Hall May 1899 Riverside at Van de Venter's, San Jacinto Mts. San Jacinto Mts., Van de Venter's 1371 Comment
  RSA614496  Pulicaria paludosa A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15820 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  JEPS119494  Purshia tridentata Clark Cowan 1978-4-25 1259 Riverside San Bernardino National Forest. Pinon Flat Campground. Highway 74, 8.9 miles (14.2 km) E of junction Highway 74 and 371. Comment
  HSC25805  Purshia tridentata var. glandulosa Richard Spjut 1972-3-13 2265 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  UCR273238  Quercus Mitch Provance 2012-1-25 17374 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UCR273999  Quercus Mitch Provance 2012-9-11 17621 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  SD193293  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31543 Riverside Upper Bautista Canyon, 0.8 mile below Trip[p Flat Road. 1128 Comment
  UCD170486  Quercus agrifolia Tom Scott Apr 2011 2011- 575 Riverside San Bernardino Mountains: South side of mountains along Mias Canyon Rd., ca. 0.5 mile north of Bluff St., north of Banning. 863 Comment
  UCR136258  Quercus agrifolia A. C. Sanders 2004-6-20 28229 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., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  UCR92665  Quercus agrifolia Scott D. White, S. Douthit 1996-3-31 3850 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  SD167108  Quercus agrifolia var. agrifolia A. C. Sanders 2005-8-12 31551 Riverside San Jacinto Mountains; western edge of Vandeventer Flat along Highway 74. 1433 Comment
  SD187414  Quercus agrifolia var. oxyadenia R. E. Riefner 2005-8-12 05 600 Riverside San Jacinto Mountains, vicinity of McMullen Flat on SR 243 at Valley Hi County Park 1139 Comment
  UCR250404  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 1 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
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  SD229169  Quercus chrysolepis Dick Schwenkmeyer 2012-3-26 684 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCSB1228  Quercus chrysolepis Neely, William 1948-10-3 Riverside Devil's Slide Trail, Idyllwild, San Jacinto Mts. 2316 Comment
  UCR123795  Quercus chrysolepis var. nana Steven R. Hill, K. Kramer and family 2001-4-26 33471 Riverside San Jacinto Mtns., 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 2591 Comment
  RSA592669  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 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
  UCSB60559  Quercus cornelius-mulleri Muller, Cornelius 1952-3-23 Riverside At Live-oak Tank, Joshua Tree National Monument Comment
  CAS-BOT-BC79162  Quercus dumosa Rev. J. C. Nevin 1904-1-1 s.n. Riverside Temecula Comment
  UCR163986  Quercus engelmannii John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  RSA5255  Quercus kelloggii Carl B. Wolf 1932-8-6 3992 Riverside Strawberry Valley, at base of Devil's slide Trail to Tahquitz Valley. 1707 Comment
  UCSB1184  Quercus kelloggii Haller, Norman 1953-5-23 Riverside Hwy. 74, 1 mile west of Idyllwild turnoff, San Jacinto Mts. 1310 Comment
  UCSB1189  Quercus kelloggii Waian, Lee 1960-5-14 Riverside Montane slope of the San Jacinto Mtns.; 11 miles from Banning on the road to Idyllwild 1219 Comment
  RSA654803  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22291 Riverside San Jacinto Mtns: Santa Rosa Indian Reservation along Hwy 74, 4 miles E of Hwy 371 junction to Anza 1378 Comment
  SEINET13953263 Image available Quercus palmeri J. C. Roos 1965-1 Riverside Summit of Pines to Palms Road (Hwy 74) south of Palm Desert, Santa Rosa and San Jacinto Mountains. Comment
  RSA741216  Quercus wislizeni Scott D. White, Justin M. Wood 2008-6-16 12110 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UC848377  Quercus wislizeni I. W. Clokey and E. G. Anderson 1935-4-16 6571 Riverside e of Hemet 750 Comment
  UCR262384  Quercus wislizeni Tom Scott 2011-1 2011- 567 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon, USFS Road 2S01, c. 1 mile north of locked gate at Bluff St. 1003 Comment
  UC1135917  Quercus wislizeni var. frutescens A. Lewis Mar 1934 370 Riverside Mojeska Peak Cleveland National Forest, Corona Quad. 1219 Comment
  UC527702  Quercus wislizeni var. frutescens C. B. Wolf 1931-10-14 Riverside 100 yds above Fish Hatchery (Snow Creek, n base of San Jacinto Mts); San Jacinto Mountains, Snow Creek 609 Comment
  UCR262391  Quercus wislizeni var. frutescens Tom Scott 2011-1 2011- 566 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 5 miles up canyon from locked gate, USFS San Bernardino Nat. Forest 1275 Comment
  RSA0120465  Rafinesquia californica Duncan S. Bell 2016-4-16 9305 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA606382  Rafinesquia californica Jon E. Keeley 1994-4-22 25322 Riverside Shipley Reserve 670 Comment
  UCR22074  Rafinesquia californica Steve Boyd 1980-4-27 135 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  JOTR28944  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1180 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR35148  Rafinesquia neomexicana La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3260 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA278989  Rafinesquia neomexicana B. A. Prigge 1978-3-23 2439 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  SBBG50927  Rafinesquia neomexicana N. R. Zabriskie, W. Zabriskie 1973-3-4 604 Riverside Poorwill Cyn, Andreas Cyn area, Palm Cyn drainage Comment
  CLARK-A1528-787  Ranunculus californicus Annette Price 1962-5-1 O 64 Riverside Santa Ana Mountains Comment
  RSA0013146  Ranunculus californicus var. californicus LeRoy Gross, Caitlin Elam 2013-5-14 6072 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
  RSA162760  Ranunculus cymbalaria var. saximontanus J. D. Olmsted 1959-9-23 997 Riverside Stream crossing just S of Hurkey Creek crossing on Hwy 74 by entrance to Garner Ranch. San Jacinto Mts to Hemet Lake 1479 Comment
  CSUSB539  Raphanus sativus Rita Gibbons 1975-6-5 Riverside 1/2 mile north of Highway 60, on Heacock Ave., Sunnymead Comment
  UCR96039  Rhamnus alaternus A. C. Sanders 1996-3-14 17972 Riverside Riverside: UCR Campus, east of Health Services along dry arroyo 335 Comment
  SD225089  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  RSA0018313  Rhamnus crocea Keith E. Hoffmaster 1937-6-6 764 Riverside Near Valle Vista. Comment
  UCR40154  Rhamnus ilicifolia Steve Boyd 1985-4-7 1111 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Rd., 0.8 mi east of jtn with 8S01 and 8S02 610 Comment
  CLARK-A1528-2685  Rhododendron occidentale John C. Roos 1941-8-2 79 Riverside San Jacinto Mountains Comment
  CSUSB1005  Rhododendron occidentale Stan R. Szarek 1970-11-14 Riverside San Jacinto Mountains San Jacinto Mountains. Collected below campsites at Fuller Mill Creek. Rooted 3 feet from creek. Comment
  UCSB4805  Rhododendron occidentale Kamb, Peter 1946-5-24 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA60298  Rhododendron occidentale var. californicum G. R. Campbell 1948-7-4 609 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  UCR213524  Rhus aromatica A. C. Sanders 2010-5-19 38415 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250 Comment
  RSA125660  Rhus integrifolia R. Weatherby 1950-3-6 1059 Riverside Arlington Hills, near Lake Matthews. 335 Comment
  UCR16588  Rhus integrifolia Joe Buriel 1966-2-26 s.n. Riverside E slope of small hill north of Mt. Rubidoux 306 Comment
  IRVC80  Rhus ovata R. H. Whittaker, W. A. Niering 1963-5-30 SJ 87 Riverside Palm Desert to Mountain Center, Santa Rosa Mountain Rd. Santa Rosa Mountains 1524 Comment
  LA62866  Rhus ovata H. Lewis; 1939-11-22 1040 Riverside San Jacinto Mountains, Pinyon Flat 1219 Comment
  RSA776283  Rhus ovata Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 885 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UC1130532  Rhus ovata A. Lewis 1934-3-4 305 Riverside Tin Mine Canyon; Cleveland National Forest 701 Comment
  RSA472816  Ribes cereum George R. Johnston 1928-9-3 s.n. Riverside Mt. San Jacinto summit. 3294 Comment
  CAS-BOT-BC173140  Ribes indecorum Raymond Lindholm 1961-2-27 s.n. Riverside Reche Canyon Comment
  LA205446  Ribes indecorum W. E. Pequegnat; 1939-4-8 12 Riverside Santa Ana Mountains, Coldwater Trail 731 Comment
  RSA614518  Ribes indecorum A. C. Sanders 1994-1-30 14226 A Riverside Box Springs Mtns at the head of Two Trees Canyon. 686 Comment
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Apr 3 2011
  UCD102262  Ribes indecorum Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-2 3191 Riverside Vail Lake area, W end of bench on S flank of Oak Mtn. 548 Comment
  UCR112522  Ribes indecorum Mitch Provance 1998-2-13 13 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR77722  Ribes indecorum Steve Boyd 1991-3-17 5486 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  UCR121645  Ribes malvaceum A. C. Sanders, Kent Beaman 2002-5-10 25054 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  RSA1179  Ribes malvaceum var. viridifolium B. D. Stark 1930-2-21 1649 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  UC729694 Image available Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2651 Riverside 5 mi w Corona (base of Skyline Drive); Santa Ana Mts., Hidden Canyon 405 Comment
  JEPS26602  Ribes nevadense Peter Kamb 1948-7-11 1203 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  SD229186  Ribes nevadense Dick Schwenkmeyer 2012-8-27 811 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UCSB46695  Ribes nevadense Leen, Rosemary 1977-5-29 Riverside San Jacinto Mts; Bay Tree Spring 1676 Comment
  RSA524470  Ribes quercetorum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-5-3 4073 Riverside Vail Lake area, upper branches and adjacent slopes of E flank of Big Oak Mtn, just S of the E summit. 610 Comment
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Feb 22 2013
  UCR107768  Robinia pseudoacacia D. L. Banks, E. H. Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2169 Riverside NW Palomar Mtns., Agua Tibia Mountains, west of Vail Lake at the intersection of Pauba Road and Los Caballos Road 372 Comment
  RSA575821  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  UC1929756  Rorippa curvisiliqua Scott D. White 2003-10-9 9818 Riverside San Jacinto Mountains: Pine Cove. Lily Creek just north of crossing at Hwy 243. Comment
  CLARK-A1528-2336  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Whitewater Comment
  UCR155079  Rorippa nasturtium-aquaticum A. C. Sanders, Kelly Volansky 2005-3-17 29229 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA191417  Rosa californica Robert F. Thorne, E. W. Lathrop 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi NW of Murrieta. Comment
  UC519954  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside Strawberry Valley San Jacinto Mts. 1584 Comment
  POM366411  Rubus parviflorus var. hypomalacus N. C. Cooper 1944-6-17 2008 Riverside Above Banning. 1220 Comment
  UC218245  Rumex acetosella P. A. Munz and I. M. Johnston 1922-5-19 5423 Riverside Keen Camp San Jacinto Mts. 1463 Comment
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Jan 1 2012
  UCR94930  Rumex acetosella Scott D. White 1996-8-15 4468 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  SD225084  Rumex pulcher G. Helmkamp 1996-5-24 1025 Riverside State Park System north of Turri Road and 1.5 mi east of South Bay Blvd. 93 Comment
  SDSU13632  Rumex salicifolius var. denticulatus W. Miller, C. Mosse 1972-7-20 Riverside By olive trees at north boundary in turn in road. Comment
  UCR116781  Rumex salicifolius var. denticulatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24162 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
  RSA759245  Rupertia physodes Robert Allen 2008-5-17 s.n. Riverside Bear Canyon Trail. Near boundary of San Mateo Wilderness 675 Comment
  UCR244393  Salazaria mexicana Jim Andre 2012-4-16 20973 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA0055075  Salazaria mexicana Jim Shevock 1970-12-13 561 Riverside White Tank, Joshua Tree National Monument. 1175 Comment
  POM281401  Salix exigua H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA544280  Salix exigua Steve D. Boyd, Tim S. Ross 1991-6-14 6567 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
  UC809721  Salix exigua Philip A. Munz 1949-4-13 13046 Riverside wash above Cottonwood Springs; Colorado Desert, w end Eagle Mts. 1097 Comment
  SBBG58912  Salix exigua var. hindsiana F. R. Fosberg 1932-3-13 8078 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC108148  Salix gooddingii A. C. Sanders; O. Clarke; T. Krantz; R. Thorne 1993-4-27 13817 Riverside Arrowhead Hot Springs and immediate viciniety, San Bernardino Mountains. Lower Waterman Canyon 1/2 mile due W of the old Arrowhead Hot Springs Hotel 579 Comment
  LA208658  Salix gooddingii Carl Epling; J. Ewan June 1933 Riverside S shore Lake Elsinore Comment
  POM361017  Salix gooddingii G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  UCD110969  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area: Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. Comment
  RSA0014930  Salix laevigata LeRoy Gross, Caitlin Elam 2013-5-14 6179 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
  RSA613315  Salix laevigata D. L. Banks 1997-3-1 1380 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA612479  Salix lasiolepis D. L. Banks 1997-2-23 1338 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
  UCR133107  Salix lasiolepis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR93069  Salix lucida subsp. lasiandra A. C. Sanders, S. Ogg 1994-7-28 15181 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  CDA3169  Salsola australis R. E. Riefner Jr. 2006-11-14 06 -676 Riverside City of Riverside, Main Street at Russell Street. Comment
  RSA0094963  Saltugilia australis A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 s.n. Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  RSA757725  Saltugilia australis LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4358 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA469682  Saltugilia splendens N. C. Cooper 1944-7-16 1560 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA411369  Salvia carduacea Ora M. Clark 1929-2-24 1532 Riverside Cabazon, Colorado Desert. Comment
  RSA401488A  Salvia columbariae Ora M. Clark 1929-2-24 1521 Riverside Cabazon, Colorado Desert. Comment
  SEINET1004378  Salvia columbariae T. B. Salvato, Kent Beaman 2005-1 850 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundry and N of Ca hwy 74. 549 Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  UCR172785  Salvia columbariae Wayne Law, Jun Hu 2000-5-16 18 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR177398  Salvia columbariae Marisa Sripracha, K. A. Boyd 2004-3-21 051 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR91454  Salvia columbariae Scott D. White 1995-3-30 2670 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
  UCR279601  Salvia greatae A. C. Sanders, Jim Malusa 2017-3-28 43141 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
  RSA434155  Salvia mellifera Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, Mountain slope 549 Comment
  RSA522724  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3829 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
  SDSU12925  Salvia mellifera Jutta Buschbom 1991-6-20 40 b Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SD67623  Salvia pachyphylla subsp. pachyphylla Victor Duran 1933-7-1 3490 Riverside Santa Rosa Mts. near Vandeventer Flat 1676 Comment
  CAS-BOT-BC233329  Salvia vaseyi Alice Eastwood 1913-4-30 3083 Riverside Palm Springs 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
  UC883998  Salvia vaseyi P. A. Munz and I. M. Johnston 1922-5-7 5285 Riverside Mouth of Dry Morongo Wash; Colorado Desert 365 Comment
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Sep 26 2011
  POM88191  Sambucus caerulea P. A. Munz, I. M. Johnston 1924-7-29 8888 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  UCR101320  Sambucus mexicana A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22220 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  CAS-BOT-BC238855  Sambucus nigra subsp. caerulea A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24168 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
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Dec 7 2018
  CAS-BOT-BC238859  Sambucus nigra subsp. caerulea H. M. Hall 1901-6-1 2216 Riverside San Jacinto Mountains. Onstatt's Valley 1615 Comment
  JEPS43078  Samolus parviflorus W. L. Jepson 1901-6-1 14581 Riverside Riverside, Journey from Riverside to Santa Rosa Peak and Palomar Riverside Comment
  RSA691959  Sanicula arguta Scott D. White, Michael Honer 2003-4-9 8978 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UC1611575  Sanicula arguta Steve Boyd, Darin Banks 1994-4-5 8258 Riverside in vicinity of Oaks Flats e of Verdugo Potrero (San Mateo Canyon Wilderness Area of the Cleveland National Forest, Southern Santa Ana Mts); Southern Santa Ana Mts, Cleveland National Forest 762 Comment
  UCR108995  Sanicula bipinnatifida D. L. Banks 1997-3-29 1566 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR23393  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Summit of Reche Canyon. 765 Comment
  UCR33583  Sarcostemma cynanchoides Faulkner 1978-4-27 506 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  CAS-BOT-BC239933  Schismus arabicus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6464 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  CAS-BOT-BC243455  Schismus barbatus Ira L. Wiggins 1966-2-22 20463 Riverside Along Highway 60, 1.5 mi. SE of Garnet Hill Comment
  CAS-BOT-BC243459  Schismus barbatus Baker 1954-4-13 s.n. Riverside San Gorgnio Pass 365 Comment
  RSA726531  Schismus barbatus Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1442 Riverside Along Palen Road near Hwy 177. 170 Comment
  UC1132931  Schismus barbatus H. S. Yates 1937-3-23 6415 Riverside near White Water 304 Comment
  UC1546999  Schismus barbatus Leila M. Shultz, John S. Shultz 1985-4-17 8299 Riverside n of Blythe (Palo Verde Valley, at the s extension of the Big Maria Mountains); Big Maria Mountains, Palo Verde Valley 91 Comment
  UCD93262  Schismus barbatus Geoffrey Levin 1977-2-26 1179 Riverside About 13 mi. north of I40 on Essex Rd., just outside Providence Mts. State Recreation Area. Providence Mts. 975 Comment
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Jun 15 2012
  UCR112018  Schismus barbatus A. C. Sanders, G. Helmkamp 1997-3-15 19922 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  UCR163233  Schoenoplectus acutus var. occidentalis 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
  UCR92307  Schoenoplectus acutus var. occidentalis Scott D. White, S. Ogg 1994-10-17 2470 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  CAS-BOT-BC111577  Schoenoplectus americanus Ivan Murray Johnston 1917-4-4 1037 Riverside Frequent in damp sand along creek, Palm Canyon 274 Comment
  POM1408  Schoenoplectus americanus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  RSA659252  Schoenoplectus californicus M. Duke, Christy Hightower, C. McElroy 1982-5-15 2 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR59815  Schoenoplectus californicus Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  UCR69790  Schoenoplectus californicus A. C. Sanders, Chet McGaugh 1991-7-19 11149 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  POM1402  Schoenoplectus maritimus I. M. Johnston 1918-4-27 1866 Riverside Wildomar. 366 Comment
  UCR57153  Scirpus cernuus Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  CAS-BOT-BC111021  Scirpus microcarpus M. F. Spencer 1919-6-28 1234 Riverside San Jacinto Mt., Idyllwild. 1645 Comment
  RSA650275  Scrophularia californica W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  UC1537424  Scrophularia californica Gordon H. True Jr. 1935-3-1 30 Riverside Box Springs 365 Comment
  POM97011  Scrophularia californica subsp. floribunda Philip A. Munz 1926-5-2 10426 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  UCR281202  Scutellaria bolanderi subsp. austromontana James Hughes 2017-6-21 s.n. Riverside San Jacinto Mountains, Fleming Ranch 1569 Comment
  POM47007  Scutellaria siphocampyloides Mary F. Spencer 1919-5-18 1194 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
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Mar 21 2011
  UCR135849  Scutellaria tuberosa A. C. Sanders 2004-4-20 27521 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CAS-BOT-BC69804  Selaginella bigelovii Milo S. Baker 1928-4-3 2787 b Riverside Palm Canyon. Comment
  CAS-BOT-BC69812  Selaginella bigelovii Robert T. Clausen; Harold Trapido 1940-6-18 4679 Riverside Salton Sea Basin, at mouth of Chino Canyon, Palm Springs. 457 Comment
  RSA717616  Selaginella bigelovii Scott D. White 2006-4-27 11305 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA0123161  Selaginella eremophila Duncan S. Bell, LeRoy Gross 2016-3-30 9162 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  HSC27319  Senecio californicus Richard Spjut 1973-5-3 3341 Riverside Colorado Desert, N face of Chuckawalla Mtns. 3-4 mi. S of Desert Center 305 Comment
  SBBG93105  Senecio californicus D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd 701 Comment
  UCR34950  Senecio californicus L. B. Ziegler 1969-5-27 367 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  UCR194220  Senecio flaccidus Scott D. White, Angelia Carey 2004-6-4 10479 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA472991  Senecio flaccidus var. douglasii N. Cooper 1949-6-29 4282 Riverside Palms to Pines Highway, San Jacinto Mountain, below Pinon Flats. 1067 Comment
  RSA0118591  Senecio mohavensis Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7650 Riverside Mecca Hills: Side canyon along Painted Canyon Road. northeast of Mecca, northwest of Box Canyon. 170 Comment
  SD229164  Senegalia greggii Dick Schwenkmeyer 2012-11-6 867 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  RSA4906  Senna armata Carl B. Wolf 1932-4-27 3022 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA701161  Senna armata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11267 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR269234  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 Rd. and 1 km west of Pauba Rd. 401 Comment
  UC217851  Senna covesii P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4862 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 518 Comment
  RSA518291  Sesbania exaltata George K. Helmkamp 1989-9-16 s.n. Riverside W side of State Hwy. 78, 0.7 mi. N of Palo Verde. Palo Verde. 75 Comment
  SD181741  Sesuvium verrucosum Scott D. White 2001-5-1 8440 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  UCD97016  Sesuvium verrucosum Jack Hall 1953-4-30 45 Riverside Desert Beach Resort, edge of Salton Sea. Comment
  UCD92673  Setaria adhaerens Malcolm A. Nobs; S. Galen Smith 1948-9-3 491 Riverside Imperial Valley. 2 miles north of Indio. Comment
  RSA605766  Setaria adhaerens A. C. Sanders 1995-5-23 17121 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. Comment
  RSA598050  Setaria parviflora N. M. Fellows 1982-5-17 s.n. Riverside On a hillside near the UCR Botanic Garden, Riverside. Comment
  CSUSB597  Sidalcea malviflora Leland R. Dykes 1962-4-22 Riverside Santa Ana Mountains Santa Ana Mountains. San Mateo Canyon Road. 7 miles west of Palomar Road, Murrietta. 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
  RSA741171  Sidalcea malviflora subsp. sparsifolia Scott D. White, Justin M. Wood 2008-5-15 12007 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC63863  Sidalcea malviflora subsp. sparsifolia H. M. Hall 1897-4-18 468 Riverside Beaumont Beaumont (Southern California) Comment
  CAS-BOT-BC109423  Sidotheca emarginata Edmund C. Jaeger 1922-7-21 s.n. Riverside Pines to Palms Trail East slope San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC109426  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  CAS-BOT-BC434395  Sidotheca trilobata A. C. Sanders; Tim Thomas; T. B. Salvato 2008-6-25 35622 Riverside Peninsular Range; San Jacinto Mtns.: May Valley c. 1.0 mi. WSW of Fleming Ranch. 1585 Comment
  UCR177511  Silene antirrhina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32541 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  SEINET7048198  Silene multinervia Steven R. Hill, Andrew C. Sanders 2001-5-4 33707 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  RSA6014  Silene verecunda subsp. platyota C. B. Wolf 1932-8-5 3931 Riverside Summit of Devil s Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  UCR158049  Silene verecunda subsp. platyota Y. Katzenstein 1993-5-22 42 Riverside San Jacinto Mtns., James San Jacinto Mtns Reserve; along side drainage to the Hall Canyon creek, about 2mi from Lake Fulmor 1677 Comment
  LA93939  Simmondsia chinensis A. L. Grant; 1932-5-7 149 Riverside Santa Rosa Mountains, Martinez Canyon Comment
  RSA23234  Simmondsia chinensis Ernest Braunton 1940-4-3 2024 Riverside Berdoo Canyon, 10 mi. E. of Indio. 305 Comment
  RSA339241  Simmondsia chinensis Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53574 Riverside Joshua Tree National Monument: Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  SEINET7248312  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2014-1 6288 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SD247383  Sisymbrium irio T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7305 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  UCR172139  Sisymbrium irio A. C. Sanders 2006-5-11 32255 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR164931  Sisymbrium orientale T. B. Salvato, John F. Green 2004-5-27 629 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
  UCR98693  Sisymbrium orientale 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
  UCR207318  Solanum O. F. Clarke 2003-12-6 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA557374  Solanum americanum Julie Greene, Scott D. White 1993-7-5 1392 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  RSA653233  Solanum americanum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23323 Riverside Coachella Valley: along Dillon Rd. at junction with Tyler, north of I-10, E of Indio and N of Coachella [UTM 10km cell: 11S NH-7E, 3N. 5 Comment
  RSA502931  Solanum douglasii Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  CAS-BOT-BC156670  Solanum umbelliferum H. M. Hall 1901-6-1 2071 Riverside In the vicinity of Chalk Hill 1463 Comment
  RSA186208  Solanum umbelliferum L. B. Ziegler 1966-7-15 213 Riverside Upper end of Hemet Valley,near junction of highway 71 and 74. 1463 Comment
  RSA717462  Solanum umbelliferum Scott D. White 2006-4-28 11319 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
  UCR112994  Solanum umbelliferum Mitch Provance 1999-4-3 1756 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment