Search Results — 2000 specimen records retrieved (1908 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229020  Abies concolor Dick Schwenkmeyer 2012-8-27 798 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  HSC16147  Abronia villosa C. E. Fellows 1965-4-15 58 Riverside Just inside N city limits, Palm Springs, on Hwy. 111 Comment
  RSA663883  Abronia villosa C. R. Annable 1995-3-9 2256 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  SEINET1906290  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-1 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  UCD109811  Abronia villosa Robert C. Bechtel 1952-3-28 33 Riverside Whitewater. 152 Comment
  SEINET946023  Abronia villosa var. aurita G. Yatskievych, K. McCrary 1984-1 84 -118 Riverside State Route 74 at Pyramid Peak Road (to Thomas Mountain). 1463 Comment
  UCR12006  Abronia villosa var. aurita Coleta A. Lawler 1968-8-18 251 Riverside San Jacinto Mtns., Hwy 74, just south of junction with road leading to Lake Hemet 1311 Comment
  UCR224312  Abronia villosa var. aurita Justin M. Wood, Jamie Miner 2010-4-29 1530 Riverside Coachella Velley, Bermuda Dunes, near intersection of Avenue 38 and Varner Road 43 Comment
  RSA778491  Abronia villosa var. villosa Duncan S. Bell 2009-3-8 58 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
  RSA0127852  Abronia villosa var. villosa G. Rink 2013-3-20 11901 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UCR27850  Abutilon palmeri A. C. Sanders 1982-11-24 3272 Riverside Riverside, University of California, Botanical Garden, slope above Alder Canyon near the Garden Office. Comment
  RSA17761  Acacia farnesiana C. Epling, Wm. Robison 1935-2-6 s.n. Riverside Lower California- Cahualli Comment
Read comments
Sep 3 2010
  CHSC26552  Acacia greggii James Henrickson 1971-4-2 5474 Riverside Near Hidden Oasis, 13 miles E, of Palm Springs, in open Colorado Desert adjacent to Palm Oasis. 182 Comment
  JEPS64732  Acacia greggii W. L. Jepson 1912-10-29 5246 a Riverside near Blach Point (Riverside Mountains, along the Colorado River, Blythe Intake, Needles to Yuma); Riverside Mountains, Colorado River, Blythe Intake 88 Comment
Read comments
May 15 2011
  UCR35039  Acacia greggii L. B. Ziegler 1967-8-23 211 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  OBI32776  Acer negundo F. C. Vasek 1964-7-26 640726 -1 Riverside 2 mi N of Kenworthy Ranger Station Comment
  RSA557901  Achillea millefolium Steve Boyd, Orlando Mistretta 1992-4-22 7014 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CDA28089  Achnatherum coronatum F. J. Willmarth 1962-9-7 Riverside San jacinto Mts.; Garner Ranch, Idyllwild Rd. 0 Comment
  SEINET260232 Image available Achnatherum parishii subsp. parishii M. Curto, LS Allen 1990-6-18 663 Riverside Santa Rosa Mt NW slope Santa Rosa Mt Rd (SBNF 7S02) ca 5 km W of Santa Rosa Springs Campground 1830 Comment
  HSC85398  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  POM123137  Achyronychia cooperi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SD233271  Achyronychia cooperi Justin M. Wood 2009-3-26 394 Riverside Colorado Desert: Western foothills of Mecca Hills A+-0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. In an unnamed wash draining to the west. 21 Comment
  UCD97895  Achyronychia cooperi Herbert L. Mason 1928-3-10 4177 Riverside Whitewater River. Comment
  UCSB10041  Achyronychia cooperi Haller, John 1958-3-22 Riverside On Hwys. 60-70; 11 miles W of Desert Center; 12.8 miles E of Box Canyon Rd. junc. (Calif. 195) Comment
  LA47825  Acmispon argophyllus var. argophyllus Elizabeth McClintock; 1941-5-26 11 Riverside about 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  SEINET957535  Acmispon micranthus C. B. Wolf 1935-1 63115 Riverside Gavilan hills region. 2 mi. SW of Perris. 427 Comment
  SBBG3458  Acmispon rigidus H. and M. Dearing 1936-12-26 921 Riverside Palms to Pines Hwy Comment
  JOTR32125  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 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
  UCR193971  Adenostoma fasciculatum A. C. Sanders 2008-7-25 35917 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  CAS-BOT-BC139875  Adenostoma sparsifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  CLARK-A1528-3578  Adiantum pedatum John C. Roos 1948-5-29 3871 Riverside Whitewater Canyon Comment
  SEINET5641186  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  UC1931094  Agnorhiza ovata Scott D. White, Justin Wood 2008-7-8 12383 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd, ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  RSA674612  Agrostis exarata Scott D. White 2000-8-5 8107 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  CAS-BOT-BC139443  Agrostis hyemalis Ralph Hoffmann 1929-9-8 s.n. Riverside Mount San Jacinto. Comment
  UCR24966  Agrostis scabra A. C. Sanders 1980-8-21 1780 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
  UC573796  Agrostis viridis H. S. Yates 1937-6-27 6705 Riverside near Relief Hot Springs; San Jacinto Quadrangle Comment
  RSA739512  Ailanthus altissima A. C. Sanders 1997-5-1 20619 Riverside Lake Skinner Area: old house site at gated road junction into Shipley Reserve Area, ca 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  RSA469421  Aliciella latifolia Anstruther Davidson 1903-5-3 1109 Riverside Thermal. Comment
  RSA781416  Allionia incarnata Duncan S. Bell 2011-10-22 2996 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR42489  Allionia incarnata P. J. Leary 1974-10-26 516 Riverside Mojave Desert, N of Mary Peak, Hexie Mountains, Joshua Tree National Monument [now Park] 610 Comment
  JOTR32473  Allium fimbriatum var. fimbriatum Herskovits, Tasya, M. Harding 2011-5-20 9 Riverside Joshua Tree National Park. Little San Bernardino Mountains; near Ryan Mountain trailhead 1341 Comment
  CAS-BOT-BC131985  Allium haematochiton Steve Boyd; Aydee Virgen 2004-4-13 10859 Riverside Peninsular Ranches; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM147851  Allium haematochiton J. B. Feudge 1927-4-7 1631 Riverside Beaumont. 671 Comment
Read comments
Dec 13 2016
  RSA367046  Allium haematochiton N. C. Cooper 1947-4-5 2041 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA348948  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills: E edge of plateau remnant on ridge E of Estelle Mt., S of Dawson Canyon 671 Comment
  UCR114758  Allium munzii Scott D. White, D. E. Bramlet 1999-4-22 7237 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR120806  Allium munzii Ian G. Gillespie 2000-4-19 9 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  UCR22139  Allium munzii Steve Boyd 1980-5-17 289 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR35295  Allium peninsulare L. B. Ziegler 1967-5-18 126 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA367127  Allium praecox B. C. Templeton 1931-4-23 s.n. Riverside North of Gavilan Peak. Alt. 550 m. 550 Comment
  RSA291566  Allophyllum glutinosum C. W. Tilforth, B. Busenberg 1980-6-10 1978 Riverside 0.1 mi. from Highway 74 on north leg of Thomas Mtn. Rd., 1 mi. south of Lake Hemet. 1387 Comment
  UC1080554  Allophyllum glutinosum Verne and Alva Grant 1951-6-4 16009 Riverside 2 mi. s. Temecula (on Hwy. 395) 335 Comment
  RSA593984  Aloe saponaria Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 952 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
  RSA623872  Alopecurus saccatus Jon E. Keeley 1985-4-18 7920 Riverside Main pool near road, Mesa de Colorado, Santa Rosa Plateau. Santa Ana Mountains 675 Comment
  UCSB46786  Alstroemeria O. F. Clarke 1969-6-25 Riverside collected at 1012 Spruce Street Spruce Street Comment
  CLARK-A1528-7784  Amaranthus albus John C. Roos 1965-7-27 Riverside Hemet Comment
  UCR100380  Amaranthus albus A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21608 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  UCR199612  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR78632  Amaranthus blitoides Scott D. White 1992-9-11 s.n. Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  UCR264250  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 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
  UCR34995  Amaranthus fimbriatus L. B. Ziegler 1967-9-28 256 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  UCR163092  Amaranthus palmeri B. G. Pitzer, G. R. Ballmer 2000-10-14 4226 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  JEPS40939  Ambrosia acanthicarpa Marjorie D. Clary 1932-10-2 1572 Riverside 6 mi w Indio; Colorado Desert, Point Happy 30 Comment
  CAS-BOT-BC22614  Ambrosia dumosa Javier Penalosa 1963-4-10 2782 Riverside Deep Canyon, 3 mi. S of Palm Desert. 213 Comment
  JOTR31948  Ambrosia dumosa La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2186 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA26835  Ambrosia dumosa I. L. Wiggins 1941-3-24 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UCR20775  Ambrosia dumosa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 01313 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
  RSA737349  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA744236  Ambrosia psilostachya Michael Wall 2009-11-14 498 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 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-BC273009  Ambrosia salsola Ivan Johnston 1917-4-4 1087 Riverside Mouth of Andreas Canyon 60 Comment
  LA203755  Ambrosia salsola A. M. Johnson; 1932-3-19 3880 Riverside below [S of] Palm Springs Comment
  UCD128876  Ambrosia salsola Geoffrey Levin 1975-4-5 463 Riverside Junction of Ramon Road and 1000 Palms Canyon Road. Indio Hills Mountain Range, Salton Sea Basin Drainage Area. 91 Comment
  SEINET10797866  Ambrosia salsola David B. Dunn 1946-3-15 Dunn 2042 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  SFV17322  Ambrosia salsola var. pentalepis J. N. Hogue, J. D. Dilley 1998-4-23 108 .5 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
Read comments
Mar 2 2015
  SJSU1898  Ambrosia salsola var. salsola J. W. Tilden 1957-4-18 1105 Riverside near Whitewater E of San Gorgonio Pass Comment
  UC51611  Ambrosia salsola var. salsola Jos. Burtt Davy 1902-3-25 7938 Riverside Indio Comment
  RSA737226  Ammannia coccinea Justin M. Wood 2008-9-22 146 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA263785  Amorpha californica R. Weatherby 1950-5-18 s.n Riverside Hagador 640 Comment
  UCR116514  Amorpha fruticosa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20703 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  HSC84226  Amsinckia intermedia Karin Cleary 1987-4-8 11 Riverside Banning; 1.5 km N of the intersection of I-10 and Sunset Ave. E side of Sunset 835 Comment
  RSA524463  Amsinckia intermedia Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4066 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
  UCR158315  Amsinckia intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30054 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
  UCR20733  Amsinckia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1398 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM13877  Amsonia brevifolia var. tomentosa E. C. Jaeger 1921-4-10 1173 Riverside 1000 Palms Canyon, Colorado Desert of California. 823 Comment
  SEINET7594989 Image available Andropogon glomeratus Mary F. Spencer 1921-1 1693 Riverside San Jacinto, Near San Jacinto Comment
  CAS-BOT-BC137843  Andropogon glomeratus var. glomeratus W. R. Dudley 1903-12-26 s.n. Riverside Near Warm Springs Palm Canyon. Comment
  RSA234091  Anemopsis californica R. F. Thorne, E. W. Lathrop 1969-6-6 39313 Riverside Santa Rosa Plateau: Rancho California, small stream near junction of Tenaja Road and road to ranch headquarters. 610 Comment
  UCR208065  Anemopsis californica Michael Wall 2000-7-16 145 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley: South side of Ramona Expressway, 0.5 mi. E of Sanderson Ave. in swale along agricultural field fence 457 Comment
  UCR60547  Anemopsis californica R. F. Thorne 1973-5-23 43878 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA416653  Anisocoma acaulis Gale Sphon 1955-5-22 s.n. Riverside Montane meadow, Hemet meadow. Comment
  UCSB6331  Anisocoma acaulis Graney, Don 1953-3-22 Riverside Morongo Canyon Comment
  CLARK-A1528-148  Anthemis cotula Fred B. Essig 1967-6-22 Riverside Riverside Comment
  RSA689554  Antirrhinum coulterianum Scott D. White, Michael Honer 2003-4-25 9127 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
  RSA773668  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-5-20 1031 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  UC444962  Antirrhinum coulterianum Katharine Brandegee 1896-4-10 Riverside Agua Caliente Comment
  UCR227722  Antirrhinum coulterianum Duncan S. Bell, Joy England 2010-5-27 11125 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 0.8 air mi southeast of junction of Hwy 74 and Forest Service Road 5S15 744 Comment
  SD143716  Antirrhinum nuttallianum subsp. nuttallianum Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20701 Riverside San jacinto Mountains: N side of the range, Twin Pines Creek below the confluence with Brown Crk. 854 Comment
  UCR90609  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White 1995-6-29 3387 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SDSU13348  Apocynum cannabinum Joseph Verfaillie, Shasta Gaughen 2000-4-29 48 Riverside Santa Margarita Eclogical Reserve, (SDSU) The north side of the Santa Margarita river about 1/4 mile west of the pipe line crossing. About 5-15 feet from the river. 235 Comment
  RSA482605  Arabis perennans E. C. Jaeger s.n Riverside Lower Tahquitz Valley, San Jacinto Mts. 1768 Comment
Read comments
Nov 5 2011
  RSA0040386  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside Idyllwild area, SW of Pine Cove & west of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd Cyn) 1707 Comment
  RSA629419  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19509 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629434  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16853 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  SD110279  Arctostaphylos glandulosa J. Dice, J. Kerbavaz 1981-1-26 Riverside West side of I-15 just north of Italian Aires restaurant, southernmost Riverside County. Comment
  UCR268273  Arctostaphylos glandulosa Jim Andre 2012-6-15 30514 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  HSC101773  Arctostaphylos glauca J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13186 Riverside Along State Route 74 1227 Comment
  UC1329901  Arctostaphylos glauca James E. Cole 1941-4-21 634 Riverside Stubby Spring Pass Joshua Tree National Monument 1524 Comment
  UCR60640  Arctostaphylos glauca C. B. Wolf 1932-2-11 02649 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  RSA633548  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16714 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633614  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21754 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633639  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20145 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633678  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20123 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633684  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21765 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  CAS-BOT-BC44362  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  CAS-BOT-BC44367  Arctostaphylos pringlei subsp. drupacea Walter Knight; Irja Knight 1985-4-3 6064 Riverside Near Idylwild Park, San Bernardino National Forest 1889 Comment
  RSA635656  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16640 Riverside Road to Santa Rosa Mtn. (7S02), 3.7 km south of Hwy 74. 1610 Comment
  UC535009  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside one and one-half mi from Idyllwild (on road to Banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR110992  Arctostaphylos pringlei subsp. drupacea George K. Helmkamp 1998-6-27 4121 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  JEPS46252  Arctostaphylos pungens A. E. Wieslander Feb. 1929 Riverside near Prison Camp; San Jacinto Mts. Comment
  UCD53754  Arctostaphylos pungens A. E. Wieslander 1936-8-29 682 Riverside Tahquitz Pk. Road. 1524 Comment
Read comments
Dec 15 2011
  RSA636013  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18804 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636162  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19494 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  SDSU17431  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 408 Riverside Santa Margarita Ecological Reserve, along 'Highlands Trail' at northern rim of mesa-top. 654 Comment
  UCR84602  Arenaria douglasii Scott D. White, S. Ogg 1994-4-21 1951 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JOTR36464  Argemone corymbosa La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3434 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA221051  Argemone munita subsp. robusta E. W. Lathrop 1966-5-8 6403 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  PASA688  Argythamnia serrata 1928-3-3 Riverside Desert Hidden Springs Comment
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Aug 27 2016
  RSA0062478  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40415 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. 114 Comment
  UC196994  Aristida adscensionis Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  UCD56396  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Colorado Desert, near Indian Wells. Comment
  UCR128944  Aristida adscensionis Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR2156  Aristida adscensionis F. M. Reed 1926-5-8 5324 Riverside Perris Basin, Rocky hill near Good Hope Mine Comment
  UCR229271  Aristida adscensionis Ginny Short 2011-3-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Canyon Rd., c. 9 miles due east of Cathedral City 183 Comment
  RSA385010  Aristida adscensionis var. modesta Christopher Davidson, J. Jones 1980-4-4 9950 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak., Approx. 33 deg 37'N, 115 deg 53'W. Comment
  POM96836  Aristida adscensionis var. modesta F. M. Reed 1926-5-8 5324 Riverside Rocky hill near [Good Hope] Mine. Comment
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Jul 30 2006
  SEINET244838 Image available Aristida purpurea J. C. Roos 1949-4-8 4198 Riverside Imperial Co., Calif. Comment
  RSA750740  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2009-5-22 12907 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  RSA777401  Aristida purpurea var. fendleriana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 834 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road. 534 Comment
  RSA741056  Aristida purpurea var. longiseta Scott D. White, Justin M. Wood 2008-6-5 12063 Riverside Quinn Flat Meadow. 1372 Comment
  JOTR29526  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  RSA543187  Aristida purpurea var. nealleyi Steve Boyd 1991-3-17 5504 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA757729  Aristida purpurea var. parishii LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4354 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
  SD129157  Aristida purpurea var. parishii A. C. Sanders 1989-9-19 9497 Riverside Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along wash above 'Tabeseca Target', wash on alluvial fan and rocky slopes above. Among rocks in bottom of a small canyon cut into hills. 680 Comment
  RSA727009  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR215598  Aristida purpurea var. wrightii Tasha La Doux, Jim Andre 2008-9-16 345 Riverside Mojave Desert, Joshua Tree National Park, southeast end of Splitrock Picnic Area 1290 Comment
  UCD129218  Artemisia californica E. K. Balls; P. C. Everett 1957-11-4 22755 Riverside Snow Creek. 609 Comment
  UCR13706  Artemisia californica N. R. Zabriskie, W. Zabriskie 1972-12-25 548 Riverside Western Colorado Desert/ San Jacinto Mtns, On trail to ridge above Eagle Peak, Andreas Canyon, E slope San Jacinto 917 Comment
  UCR48494  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA0059637  Artemisia douglasiana I. W. Clokey, E. G. Anderson 1935-8-21 6984 Riverside West of Keen Camp P.O. 1360 Comment
  JOTR32835  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UC1871200  Artemisia dracunculus Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8193 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 755 Comment
  UCR111590  Artemisia dracunculus Mitch Provance 1999-1-5 1740 Riverside Mira Loma, Delhi sand dune remnant on SE corner of Milliken Ave. and Patton Rd. 256 Comment
  RSA417353  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1931-10-4 171 Riverside San Jacinto Mountains. Strawberry Valley 1585 Comment
  UC449647  Artemisia palmeri F. M. Reed 1905-9-28 Riverside Santa Ana River bottom 243 Comment
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Sep 10 2008
  SEINET2044554 Image available Artemisia tridentata var. angustifolia H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs, along route 79. Comment
  SEINET10455446  Asclepias David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2870 Riverside Pushawalla canyon, indio hills. On dry plateau; channel .5 mi. Nw. Comment
  RSA721889  Asclepias albicans J. Mark Porter, Orlando Mistretta 2003-6-5 13615 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
  RSA543155  Asclepias erosa Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6105 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  JOTR32397  Asclepias fascicularis Harding, Mitzi 2011-7-18 s.n. Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  SD181724  Asclepias fascicularis Scott D. White 2000-8-5 8098 Riverside San Jacinto Mountains: Near Mountain Center, unnamed ephemeral drainage. 1402 Comment
  UCR116584  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin, Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte 381 Comment
  SBBG3150  Astragalus aridus H. and M. Dearing 1949-4-6 6737 Riverside below sea level, near Mecca Comment
  UCR166013  Astragalus aridus Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  SBBG94891  Astragalus crotalariae G. K. Helmkamp 1975-2-17 s.n. Riverside St Hwy 111 at Salt Crk, NE side of Salton Sea Comment
  UCR19769  Astragalus crotalariae Don Emery 1980-3-28 s.n. Riverside Sonoran Desert, Riverside/Imperial Co. line on the E side of Salton Sea, vicinity of Bat Caves Buttes -30 Comment
  HSC85407  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-4-2 1620 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SDSU17550  Astragalus didymocarpus var. didymocarpus Jerry Jenkins 2001 -033 Riverside Santa Margarita Ecological Reserve. UTM transfered to GIS. 177 Comment
  UCR25800  Astragalus didymocarpus var. didymocarpus John C. Roos 1952-4-30 5606 Riverside Peninsular Range, hills between Camp Haan and Riverside 534 Comment
  CAS-BOT-BC228850  Astragalus gambelianus A. C. Sanders; T. B. Salvato 2011-4-27 39334 Riverside Peninsular Range: south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR11613  Astragalus lentiginosus O. H. Kappler 1950-4-1 2047 Riverside Western Colorado Desert, Four mi. east of Palm Springs, north of Cathedral City. 183 Comment
  RSA715087  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  RSA0006785  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 a Riverside Garnet, Coachella Desert. 137 Comment
  UCR189585  Astragalus pachypus var. jaegeri Carlos Navarro 2006-4-19 019 Riverside Peninsular Range, Aguanga Basin, Agua Tibia, just east and up slope from the Dripping Springs campground, near Gaurd Station with weather meters 503 Comment
  CAS-BOT-BC194139  Astragalus pomonensis H. A. Zuill 1966-6-29 265 Riverside Cole Canyon, 2 miles SW Murrieta Comment
  RSA653227  Astragalus pomonensis A. C. Sanders, T. B. Salvato 2000-5-25 23401 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  SEINET5540495  Astragalus pomonensis H. S. Gentry 1954-1 14253 Riverside Dripping Springs, along Route 79. Comment
  POM26484  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  RSA0003063  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  RSA692505  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  CAS-BOT-BC98818  Atrichoseris platyphylla F. O. Ballou 1926-2-26 s.n. Riverside Painted Canyon [Canon] Comment
  RSA444558  Atrichoseris platyphylla Walter Wisura 1988-3-13 4203 Riverside Box Canyon Comment
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Nov 3 2011
  UC963818  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside near, and ca. 2.5 miles beyond Mission Well Meek Mine; Mojave Desert, Pinto Mountains 579 Comment
  UCR75050  Atrichoseris platyphylla A. C. Sanders, E. Lawlor 1992-4-4 12105 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB47088  Atrichoseris platyphylla Keller, Paul 1977-2-27 Riverside California 195, 1 mile S of Interstate 10 365 Comment
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Nov 30 2014
  CAS-BOT-BC170199  Atriplex canescens subsp. canescens Mrs. Robert Campbell 1921-11-26 7 Riverside Between Palm Springs and Indian Wells Comment
  JOTR36490  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3340 Riverside Joshua Tree National Park. Pleasant Valley: S of Hexie Mountains, on edge of road in playa 999 Comment
  UCR195797  Atriplex canescens var. canescens Jim Andre, T. La Doux 2007-9-6 8709 Riverside Little San Bernardino Mountains, Joshua Tree National Park, Queen Valley, just east of Geology Tour Road, in July 2006 burn area 1319 Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  SEINET10838814  Atriplex canescens var. laciniata Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4925 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  UCR256950  Atriplex canescens var. laciniata Duncan S. Bell 2012-4-5 3306 Riverside Sonoran (Colorado) Desert, 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; c. 6.75 air miles directly north of Hell 137 Comment
  CLARK-A1528-5401  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  UCR14449  Atriplex coronata var. notatior O. F. Clarke, Jeanine Derby 1974-6-19 s.n. Riverside Perris-Aguanga Basin Region, [San Jacinto River] south of Ramona Expressway, 1/2 mile NW of Lakeview 432 Comment
  CAS-BOT-BC170604  Atriplex fasciculata S. B. Parish 1913-9-20 8600 Riverside In alkaline soil, Mecca, Salton Sink. 57 Comment
  UCR103315  Atriplex hymenelytra George K. Helmkamp, E. A. Helmkamp 1998-2-5 2658 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR228398  Atriplex hymenelytra Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 144 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  POM182561  Atriplex lentiformis J. B. Feudge 1930-9-25 2064 Riverside Blythe Comment
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Nov 8 2011
  RSA289850  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-9-17 4057 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  OBI40177  Atriplex muelleri J. C. Roos 1965-10-17 s.n. Riverside 20 mi W of Blythe on the roadside Comment
  RSA653502  Atriplex serenana A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river., 33 deg 58'30''N, 117 deg 24'10''W 232 Comment
  UCR167833  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR112959  Avena barbata B. G. Pitzer 1998-3-1 3544 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  RSA385408  Avena barbata H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  CAS-BOT-BC98777  Baccharis brachyphylla John C. Roos 1950-12-2 5028 Riverside Monson Canyon, Eagle Mts. 1066 Comment
  CLARK-A1528-1623  Baccharis emoryi John C. Roos 1948-11-6 4077 Riverside Box Springs Mountains Comment
  RSA220386  Baccharis emoryi C. W. Tilforth, John Dourley 1970-10-16 315 Riverside 1 mile W of Lake Mathews along Cajlco road Comment
  RSA575918  Baccharis emoryi Steve Boyd 1994-10-14 8377 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  SD9147  Baccharis glutinosa C. R. Orcutt Nov 1883 Riverside Riverside Comment
  UCR270757  Baccharis salicifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8371 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
  CAS-BOT-BC483032  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot; Cheryl Sevilla; Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. SE San Bernardino Mtns, San Gorgonio Wilderness Area 770 Comment
  UC63381  Baccharis salicifolia subsp. salicifolia Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Comment
  UC64843  Baccharis salicina E. A. Zumbro 1904-1-1 415 Riverside Cold Water Basin Santa Ana Mts., Cold Water Basin Comment
  UCR281881  Baccharis salicina Mitch Provance 2012-11-9 1112- 14 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  RSA0086782  Baccharis sarothroides R. G. Swinney 1967-5-26 14063 Riverside Snow Creek. 457 Comment
  IRVC514  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-5-31 SJ 100 Riverside Elks Rd., slope draw, open N, 30o, gneiss soil. Santa Rosa Mountains 1311 Comment
  UCR121819  Baccharis sergiloides A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24601 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA662147  Baccharis viminea Stephen Hill 1981-2-16 32 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. Comment
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Jul 14 2013
  CAS-BOT-BC166535  Baileya multiradiata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges: City of Temecula, immediately N and S of Murrieta Hot Springs Rd. along San Diego Aqueduct right-of-way 396 Comment
  CAS-BOT-BC99961  Baileya pauciradiata H. M. Hall 1905-4-1 5911 Riverside Near Paloverde 91 Comment
  POM308639  Baileya pleniradiata Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3210 Riverside Near Indio. Comment
  UCR244471  Baileya pleniradiata Jim Andre 2012-4-16 20941 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  RSA741015  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-6-18 12232 Riverside K Flat Meadow. 1433 Comment
  UCR275528  Bassia hyssopifolia A. C. Sanders, Karen Kirtland 2016-9-23 42627 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR45139  Bassia hyssopifolia L. F. LaPre, B. Pitzer 1986-9-16 s.n. Riverside San Jacinto Wildlife Area, on levee beside the San Jacinto River, c. 1 mi east of Bridge St 436 Comment
  POM299269  Bebbia juncea A. M. Alexander, Louise Kellogg 1941-5-15 2182 Riverside north base of Eagle Mountains. 915 Comment
  RSA0002511  Bebbia juncea M. B. Dunkle 1935-4-17 4556 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA101110  Bebbia juncea David B. Dunn 1947-7-12 2962 Riverside Pushawalla Canyon, Indio Hills Comment
  RSA314635  Bebbia juncea R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55431 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SEINET10616173  Bebbia juncea David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3740 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  CAS-BOT-BC100124  Bebbia juncea var. aspera K. Bonner 1977-10-31 2594 Riverside 14 miles South of Vidal 161 Comment
  CAS-BOT-BC100143  Bebbia juncea var. aspera W. R. Dudley 1903-12-26 s.n. Riverside Palm [Canon] Canyon Comment
  UC68875  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5971 Riverside Chuckawalla Mts., Colorado Mts. Colorado Desert, Chuckawalla Mts. Comment
  UCD129535  Bebbia juncea var. aspera Geoffrey Levin 1975-4-5 468 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  RSA780490  Berberis nevinii Naomi Fraga, Baby Snigdha, Josh Paolini 2010-6-17 3496 Riverside Oak Mountain Summit. 598 Comment
  UCR59772  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake Area, Temecula Creek Cyn below Vail Lake dam 457 Comment
  SD229135  Bernardia incana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 646 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UCR109733  Berula erecta R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  SD51942  Bloomeria crocea var. crocea Reid Moran 1962-7-7 9864 Riverside Damp soil near Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  CAS-BOT-BC16095  Boechera californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside San Jacinto Mountains. Northwest of Idyllwild. Along fire road south of south end Marion Ridge Road, Pine Cove. 1938 Comment
  JEPS53176  Boechera californica Carl V. Meyer Jun 1927 169 Riverside Idyllwild-Keen Camp Road San Jacinto Mts. 1524 Comment
  UCR159898  Boerhavia coccinea Scott D. White 1999-4-20 7276 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR101519  Boerhavia coulteri Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 A Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  UCR242290  Boerhavia erecta var. intermedia A. C. Sanders, T. B. Salvato 2012-10-12 40419 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  CLARK-A1528-4507  Bouteloua aristidoides John C. Roos 1937-8-22 478 Riverside Comment
  JOTR30083  Bouteloua aristidoides var. aristidoides La Doux, Tasha, Bill Truesdell 2006-10-3 1722 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UCR89728  Bouteloua barbata J. M. Stewart 1990-9-23 657 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  UCSB28074  Bouteloua barbata Blakely, E. 1961-9-12 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  JOTR35094  Bouteloua barbata var. barbata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3545 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  LA105191  Boykinia rotundifolia Frank C. Vasek; 1987-7-14 870714 -1 Riverside San Jacinto Mountains, San Jacinto Mountains, Vista Grande Road (3S08) 1.0 mi E of Banning-Idyllwild Road (SH243) 1523 Comment
  UCR151383  Brachypodium distachyon Scott D. White, T. B. Salvato 2001-6-8 8584 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  RSA27506  Brandegea bigelovii I. L. Wiggins 1941-3-26 s.n. Riverside Along wash at Wiley Well. Comment
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Sep 19 2012
  SD134466  Brandegea bigelovii Craig Reiser 1991-5-27 Riverside Palm Desert near Bighorn Sheep Institute Comment
  SEINET3106051  Brandegea bigelovii Sears 1978-3-16 802 Riverside 10 mi N of Blythe along road to Midland. 229 Comment
  SEINET3217333 Image available Brandegea bigelovii T. B. Salvato 2010-4-20 4056 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  UCR242305  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2012-10-12 40431 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR3382  Brandegea bigelovii John Minnich 1964-3-22 64-3-22- 10 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 Comment
  RSA0009699  Brandegea bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SBBG95096  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mtns, on E side of Riverside, (area burned spring of 88) at end of dirt rd on Two Trees Cyn Comment
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Sep 10 2011
  SBBG98217  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside W side of San Jacinto Mtn 1371 Comment
  UCR100172  Brassica rapa Scott D. White 1993-3-3 1106 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA770308  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4495 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 W116.64307 487 Comment
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Mar 7 2013
  UCD114704  Brassica tournefortii Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20462 Riverside Along Highway 60 about 1.5 mi. SE. of Garnet Hill. Comment
  PASA2160  Brickellia arguta Frank W. Peirson 1919-4-13 Riverside Along the Tahquitz stream, east of Palm Springs 152 Comment
  JOTR37458  Brickellia arguta var. arguta Hodges, Stephen, T. Green 2016-5-24 580 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
  CAS-BOT-BC106346  Brickellia atractyloides var. arguta Peter H. Raven 1958-5-18 12994 Riverside Along State Highway 74, 4.9 miles northeast of Pinon Flats, San Jacinto Mountains Comment
  UCR82760  Brickellia californica A. C. Sanders, T. Schram & D. Wappler 1994-10-6 15787 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  UCR91653  Brickellia californica D. L. Banks, Steve Boyd 1995-10-26 0832 Riverside NW Palomar Mtns, Agua Tibia Mtns, along the Woodchuck Trail, c. 0.7 mi. from the Wilderness Boundary 713 Comment
  UCR92395  Brickellia californica F. M. Reed 1927-10-11 5497 Riverside South Coast; San Bernardino Valley, Riverside, foothills of Box Springs Mtns. 365 Comment
  OBI52135  Brickellia incana Larry Kelly, David J. Keil 1988-4-16 50 Riverside ca .5 mi from hwy 10 on road through Ocatillo garden, and cholla patch in Joshua tree Natl Monument Comment
  SBBG94911  Brodiaea filifolia B. Gaut 1989-5-7 Riverside Santa Rosa Plateau, 5 mi W of Hwy 215 on Clinton Keith Rd in Temescal Valley 609 Comment
  UCR111612  Brodiaea filifolia D. E. Bramlet 2000-5-3 3004 Riverside Perris Basin, 4.3km east of Perris, 183-305m south of San Jacinto Ave. and 884m west of Pico Ave. 433 Comment
  RSA570547  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  SD162833  Bromus arizonicus O. F. Clarke 1973-3-21 1999 Riverside O. F. Clarke residense, 1012 Spruce Street. Comment
  SEINET3921446  Bromus arizonicus Beecher Crampton 1963-5-7 6778 Riverside Riverside, jct. of Pennsylvania and Iowa aves.; 0 Comment
  UCR86644  Bromus arizonicus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16271 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR213898  Bromus carinatus Scott D. White, Justin Wood 2009-5-22 12896 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR54250  Bromus carinatus David Charlton 1988-5-21 1921 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR138916  Bromus diandrus Julie A. Greene 1993-4-3 1078 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  UCR193555  Bromus grandis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35664 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  RSA752885  Bromus hallii Orlando Mistretta 2009-7-10 3992 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
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Jun 16 2018
  UCR96873  Bromus hordeaceus Scott D. White 1993-4-30 1310 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA0000409  Bromus orcuttianus var. hallii H. M. Hall 1901-06 2301 Riverside San Jacinto Mountains. West side. 1738 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
  SEINET4404474  Bromus rubens N. D. Atwood 1993-3-27 17691 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  UCR174326  Bromus tectorum A. C. Sanders, T. B. Salvato 2006-6-2 33089 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. 579 Comment
  SEINET2060498 Image available Caesalpinia Steven J. Southwell 1971-5-1 Riverside 300 feet W of road through Thousand Palm Oasis. 152 Comment
  RSA28064  Caesalpinia virgata I. L. Wiggins 1941-3-27 9690 Riverside 8.2 miles west of Shaver's summit. Comment
  UC499722  Caesalpinia virgata Roxana S. Ferris and R. Bacigalupi 1932-4-30 8243 Riverside in canyon between Shaver's Well and Mecca Comment
  UCR86192  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  POM123120  Calandrinia ciliata Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  RSA466560  Calandrinia ciliata Ora M. Clark 1929-3-2 1610 Riverside Near Elsinore. Comment
  RSA612843  Calandrinia ciliata D. L. Banks 1997-3-1 1373 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
  UCR97649  Calandrinia ciliata A. C. Sanders, G. Helmkamp 1997-3-15 19940 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA0108365  Callitriche heterophylla subsp. bolanderi Robert F. Thorne, Walter Wisura, Earl W. Lathrop, Sara Meury 1985-5-18 60638 Riverside Santa Rosa Plateau: Along seasonal stream in Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  UCR112404  Calochortus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23459 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  SEINET12048473  Calochortus albus E. W. Lathrop 1973-1 7501 Riverside Main divide truck trail between El Carriso and Santiago Peak, Cleveland National Forest 1219 Comment
  UC3383  Calochortus concolor H. M. Hall 1897-7-30 962 Riverside El Toro Mt. San Jacinto Mts. 2529 Comment
  LA22459  Calochortus palmeri Elizabeth McClintock; 1938-5-18 sn Riverside San Jacinto Mountains Comment
  UCR217531  Calochortus plummerae Diane Menuz 2008-6-18 464 Riverside Peninsular Range: San Jacinto Mts., Rouse Ridge, c. 2.15 km east of Hwy. 74, along Rouse Hill Rd. 956 Comment
  UCR217557  Calochortus plummerae Jeff B. Galvin 2008-3-19 71 Riverside Peninsular Ranges, foothills of the San Jacinto Mountains, Potrero. One drainage west of Potrero Creek 700 Comment
  RSA688838  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  RSA689609  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-5-27 9412 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  RSA234072  Calycadenia tenella R. F. Thorne 1969-5-19 37980 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  CAS-BOT-BC282921  Calycoseris wrightii Carl B. Wolf 1932-4-29 3107 Riverside E Colorado Desert. Blythe - Rice Rd. 9 miles S of Browns Well 243 Comment
  JEPS23599  Calycoseris wrightii Mary Beal 1941-4-6 863 Riverside Box Canon Mohave Desert, Box Canon Comment
  RSA777335  Calycoseris wrightii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 832 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UC465959  Calystegia macrostegia subsp. arida Mrs. Wilder 1903-5-30 38 Riverside Wilder's Comment
  UCR2851  Calystegia macrostegia subsp. longiloba Vivian Manns 1963-3-22 630322- 5 Riverside San Bernardino Valley Region, Riverside, Box Springs Mountains c. 1 mi E from end of Big Springs Road. 610 Comment
  SJSU8754  Calystegia macrostegia subsp. tenuifolia T. G. Balgooyen 1966-4-5 Riverside roadside 10 mi W of Hemet Comment
  RSA793029  Camissonia Justin M. Wood 2011-4-4 3393 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR148336  Camissonia brevipes 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
  RSA172301  Camissonia brevipes subsp. brevipes Robert F. Thorne 1963-3-29 32439 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
  RSA466212  Camissonia brevipes subsp. brevipes H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert. Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  RSA49370  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-12 13040 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  RSA776640  Camissonia brevipes subsp. brevipes Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1097 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  RSA466162  Camissonia californica E. Crow 1929-4-21 339 Riverside North of Alberhill. Comment
  RSA701045  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11290 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
  NY679520  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Corona del Mar State Park along Newport Coast Drive. 0 Comment
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Jul 14 2012
  UCR60768  Camissonia claviformis Steve Boyd, Orlando Mistretta 1986-3-13 1410 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  RSA135226  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11417 Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
  RSA718878  Camissonia claviformis subsp. aurantiaca Michael Honer, L. Hulse 2004-4-14 1947 Riverside Rice Valley; appx. 2 mi. SE of Rice. 240 Comment
  UCR92346  Camissonia confusa Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  RSA702748  Camissonia hirtella Scott D. White, Michael Honer 2004-4-6 10040 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA186720  Camissonia ignota Peter H. Raven 1962-3-19 16914 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  POM157885  Camissonia intermedia P. A. Munz 1927-5-20 10797 Riverside Mud flat, Murrieta Hot Springs. Comment
  SEINET9354150  Camissonia kernensis Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  RSA543893  Camissonia micrantha Steve Boyd, Dave Bramlet 1991-5-13 6256 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  RSA186575  Camissonia pallida subsp. pallida Peter H. Raven 1962-4-7 17116 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  UCR102948  Camissonia refracta George K. Helmkamp 1998-4-4 3168 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR214154  Camissonia refracta T. B. Salvato 2010-4-20 4053 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCR127351  Camissonia strigulosa A. C. Sanders, D. Malueg 2003-5-8 26561 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR92181  Camissonia strigulosa D. L. Banks, Steve Boyd 1995-5-3 0196 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UC1602314  Camissonia strigulosa Alderson 463 Riverside Comment
  SBBG61448  Camissoniopsis bistorta R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1645 Comment
  RSA728659  Cardionema ramosissimum R. E. Riefner 2006-5-30 06 -216 Riverside Temecula Valley, Rainbow Canyon Rd. ca. 0.7 mi. N of Pechanga Pkwy., near SW corner of the Temecula Creek Golf Course. 340 Comment
  UC837260  Carex P. A. Munz 1922-7-6 6040 Riverside summit San Jacinto Peak 3291 Comment
  CAS-BOT-BC18450  Carex abrupta H. E. Hasse 1903-6-23 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  UCR68861  Carex barbarae Steve Boyd, T. S. Ross 1990-5-11 4663 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA364643  Carex phaeocephala George R. Johnstone 1928-10-3 s.n. Riverside San Jacinto Mountain. Summit. 3293 Comment
  CAS-BOT-BC118511  Carex praegracilis Earl W. Lathrop 1964-5-24 5385 Riverside 14 mi W of Murrieta 548 Comment
  CAS-BOT-BC117859  Carex sartwelliana D. E. Breedlove 1961-7-29 872 Riverside Fuller Mill Creek where it crosses Riverside Hwy # 1. San Jacinto Mountains. 1645 Comment
  UC72392  Carex subfusca H. M. Hall July, 1901 2416 Riverside near summit San Jacinto Mountains 3291 Comment
  RSA496454  Carex triquetra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3069 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR151364  Carex triquetra Scott D. White, T. B. Salvato 2001-6-8 8585 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  SD239789  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  POM230837  Castilleja affinis C. B. Clokey, Bonnie C. Templeton, I. W. Clokey 1930-4-15 4729 Riverside Perris to Gavilan Peak. 600 Comment
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Nov 8 2011
  RSA500081  Castilleja affinis Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3231 Riverside Vail Lake Area. Sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  OBI53713  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside Thomas Mtn Rd, from N to S. W of Garner Valley and S of Lake Hemet on hwy 74 1676 Comment
  SBBG47446  Castilleja exserta N. C. Cooper 1949-4-21 1127 Riverside Banning 701 Comment
  POM296925  Castilleja foliolosa Lyman D. Benson 1946-4-15 12038 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA585638  Castilleja foliolosa D. L. Banks, S. D. Boyd 1995-3-15 73 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  SD137615  Castilleja foliolosa Darin L. Banks 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn. area. 789 Comment
  UC1075900  Castilleja foliolosa E. K. Balls 1955-4-4 20431 Riverside San Juan Capistrano to Elsinore (11 mi ne from Orange-Riverside county line) 579 Comment
  UCR133710  Castilleja minor subsp. spiralis N. C. Cooper 1944-5-6 2649 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  UCR101840  Caucalis microcarpa B. G. Pitzer 1997-4-1 3057 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CLARK-A1045-304  Caulanthus cooperi George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  UC64614  Caulanthus hallii H. M. Hall 1899-5-23 1165 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mt.; El Toro Mt., Coyote Canyon, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC41104  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3978 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFS Dripping Springs Guard Station. 609 Comment
  CAS-BOT-BC41137  Caulanthus heterophyllus B. Pitzer 1997-4-11 3117 Riverside Lakeview Mountains, Pulsar View Road, ca. 1 mile (air) northeast of Juniper Flats Road. 610 Comment
  SDSU14029  Caulanthus heterophyllus Tarja Sagar 2000-5-20 30 Riverside SMER. 50 m WSW from north Field Station. 332 Comment
  UCR60251  Caulanthus heterophyllus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3165 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  CAS-BOT-BC40265  Caulanthus lasiophyllus Steve Boyd 1986-4-2 1608 Riverside Gavilan Plateau. Gavilan Hills. Harford Springs County Park. 640 Comment
  CAS-BOT-BC40266  Caulanthus lasiophyllus Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2172 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  SBBG87473  Caulanthus lasiophyllus A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6099 Riverside Corn Spring, Chuckwalla Mtns; T6S R16E S28 487 Comment
  SD130247  Caulanthus lasiophyllus Ed LaRue 1990-4-13 Riverside 0.5 mile northwest of town of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UCR94491  Caulanthus lasiophyllus var. rigidus Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills, Flats at the N base of the range, south of Lake Matthews, south of Cajalco Road. 457 Comment
  SBBG71349  Ceanothus cordulatus M. N. Ackley 1929-5-19 Riverside Idyllwild 1676 Comment
  SDSU10275  Ceanothus cordulatus Frank Gander 1941-6-8 1106 Riverside Strawberry Creek, San Jacinto Mtns. 1524 Comment
  CLARK-A1528-792  Ceanothus crassifolius I. Rauch 1968-2-15 Riverside Santa Ana Mountains Comment
  SD122407  Ceanothus crassifolius Duffie Clemons, Jim Dice, Glenn Keator 1988-2-18 1942 Riverside South bank of Santa Margarita River, Santa Margarita Ecological Preserve, west of Temecula Comment
  RSA276719  Ceanothus greggii var. perplexans John F. Emmel 1978-9-25 620 Riverside Santa Rosa Mountains; slope above Mountain Home Spring 1982 Comment
  UCSB7071  Ceanothus leucodermis Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road from State Rd 111 609 Comment
  RSA0019588  Ceanothus oliganthus var. oliganthus Elbert Benjamine 1929-4-7 127 Riverside San Gorgonio Pass, southern California. Comment
  SD186315  Ceanothus oliganthus var. sorediatus Andy C. Sanders, M. Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA569982  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7917 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA606746  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27402 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
  RSA606747  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27403 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
  SBBG96757  Ceanothus ophiochilus S. Boyd with T. Ross, L. Arnseth 1989-3-19 3020 Riverside Vail Lake area, 1 mi W of lake; ISOTYPE 609 Comment
  SJSU15170  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  POM17818  Ceanothus palmeri P. A. Munz, D. D. Keck 1923-6-14 7080 Riverside Glen Ivy Trail to Santiago Peak. 1524 Comment
  UC1005025  Ceanothus papillosus W. Pequegnat Riverside 7 mi s Sierra Peak (Santa Ana Mts.); , s of Sierra Peak 1158 Comment
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Nov 20 2010
  CAS-BOT-BC51925  Ceanothus perplexans Edmund C. Jaeger 1921-6-14 s.n. Riverside Mac Mullen Trail, east slope San Jacinto Mts. Comment
  CAS-BOT-BC51926  Ceanothus perplexans Edmund C. Jaeger 1922-6-12 s.n. Riverside East slope of San Jacinto Mts. on McMullen Trail 1219 Comment
  RSA0124024  Ceanothus perplexans Duncan S. Bell, Thomas Stoughton 2016-4-14 9299 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA0022335  Ceanothus perplexans Jerry Wilk 1969-5-24 s.n. Riverside 15 mi So. of Banning on Palms to Pines Hwy. Comment
  UCR26628  Ceanothus spinosus E. W. Lathrop 1966-3-30 6120 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso & Santiago Peak 1220 Comment
  UCR5997  Ceanothus tomentosus Robert A. Clark 1966-3-19 031966- 09 Riverside Santa Ana Mtns, Sky Line Drive 4 miles from entrance off Chase Ave 762 Comment
  CAS-BOT-BC63255  Ceanothus tomentosus var. olivaceus Wesley O. Griesel 1959-3-24 13 Riverside highway 79, 7 mi. s. of Hemet. 609 Comment
  CAS-BOT-BC63256  Ceanothus tomentosus var. olivaceus D. Bramlet 1999-4-10 2733 Riverside Bachelor Mountain. Alongside the existing dirt road leading to Bachelor Mth., on a plateau area 305 m. e. of peak. This 737 Comment
  HSC18382  Ceanothus tomentosus var. olivaceus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23107 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA158466  Ceanothus tomentosus var. olivaceus P. A. Munz 1927-5-20 10826 Riverside 10 miles south of Hemet Comment
  SD239538  Cenchrus longisetus T. B. Salvato 2000-8-22 20 Riverside Peninsular Range: Riverside, Bascomb Drive at Don Goodwin Street (Riverside East 7.5'Q) 309 Comment
  POM351510  Centaurea melitensis M. M. Thompson 1947-6-9 C 2074 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  RSA673720  Cerastium glomeratum Scott D. White, W. La Haye 2000-5-27 7942 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SD181616  Cerastium glomeratum Scott D. White, Tasha LaDoux 2000-4-20 7705 Riverside South of Hemet, 'Gibbel Flat', in the Santa Rosa Hills. Scarce in shaded places on north-facing boulders. 609 Comment
  RSA405363  Cercidium floridum W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
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Apr 1 2019
  RSA498416  Cercidium floridum G. R. Johnstone, Johnstone 1930-4-14 14653 Riverside Shavers Well Comment
  RSA550276  Cercidium floridum Walter Wisura, John Dolan, Michael Wall 1992-3-24 4620 Riverside Lowdesert: 5.5 Miles NE of Mecca on Box Canyon rd. Comment
  CAS-BOT-BC135496  Cercocarpus betuloides var. betuloides K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway near road to Shumay Comment
  UC1127909  Cercocarpus ledifolius var. ledifolius R. St. John 1929-5-19 27 Riverside Tahquitz Peak 2682 Comment
  SD260297  Cercocarpus minutiflorus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42414 Riverside Peninsular Range: UC Emerson Oaks Resrve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  CAS-BOT-BC293742  Chaenactis carphoclinia Mona Bourell 1987-4-14 3269 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca 150 Comment
  RSA776947  Chaenactis carphoclinia Amber Swanson 2011-3-19 240 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  SBBG87840  Chaenactis carphoclinia A. C. Sanders, B. Pitzer 1986-3-3 6110 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S Chuckawalla Mtns, T6S, R16E, S28 487 Comment
  RSA735324  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11291 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
  RSA98707  Chaenactis carphoclinia var. carphoclinia Philip A. Munz 1926-1-31 9953 Riverside Dos Palmos [Palmas] Spring. Comment
  JEPS9002  Chaenactis fremontii Dr. L. M. Newlon 1922-1-1 424 Riverside 6 mi w of Indian Wells Comment
  POM351701  Chaenactis fremontii Anstruther Davidson 1904-5-1 1097 Riverside Palm Springs. Comment
  SD215393  Chaenactis fremontii W. Wisura, A. King and L. Newcomb 1992-4-10 4664 Riverside Low Desert: Missin Creek west of Highway 62 below Morongo Valley Comment
  UCR180596  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-4-5 10020 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  POM158451  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1927-5-21 10877 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA278317  Chaenactis glabriuscula var. glabriuscula C. W. Tilforth, B. Busenberg 1979-5-18 1800 Riverside Alo Hwgy 243, 3.5 miles south of Banning at turn-off to Mt. Edna. Comment
  RSA586110  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-4-5 0150 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  RSA594507  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Dylan Hannon 1996-5-3 0993 A Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  POM6607  Chaenactis glabriuscula var. lanosa Philip A. Munz, L. T. Street, Williams 1919-3-28 2372 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA711221  Chaenactis glabriuscula var. lanosa A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  RSA232907  Chamaesyce L. S. Rose 1967-12-20 67186 Riverside 5 mi. N of Thousand Palms oasis. 0 Comment
  SFV2081  Chamaesyce albomarginata P. G. Kilburn 1958-5-16 809 Riverside San Jacinto Mountains Pinyon Flat Campground, 12 miles south of Palm Desert. 1220 Comment
  UC868839  Chamaesyce albomarginata C. L. Hitchcock 1940-4-2 5925 Riverside Joshua TreeNational Monument, Cottonwood Springs Comment
  SFV11876  Chamaesyce micromera 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
  RSA444789  Chamaesyce polycarpa J. C. Roos 1965-6-23 s.n. Riverside Cactus City, on I 10, 25 miles east of Indio. Comment
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May 21 2011
  SBBG67758  Chamaesyce polycarpa R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UC665745  Chamaesyce polycarpa I. L. Wiggins 1941-3-26 9665 Riverside Wiley Well Comment
  SEINET6938522  Chamaesyce polycarpa W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route U.S 395 and ca. 5 miles southeast of Lake Mathews. Comment
  RSA740641  Chamaesyce polycarpa var. polycarpa Scott D. White, Justin M. Wood 2008-7-10 12443 Riverside San Jacinto Mountains: Garner Valley, near Fobes Ranch Rd. 1354 Comment
  RSA731017  Chamaesyce setiloba Michael Wall 2008-4-26 455 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  IRVC19370  Cheilanthes clevelandii R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  CAS-BOT-BC66311  Cheilanthes clevelandii Steve Boyd; C. Boyd; B. Roy 1896-2-2 1201 Riverside Highway 79: At Riverside-San Diego County Line Comment
  POM115608  Cheilanthes covillei A. M. Alexander, Louise Kellogg 1941-5-21 2211 Riverside Colorado Desert: north slope of Eagle Mountains 1280 Comment
  RSA772849  Cheilanthes covillei Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4842 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR105433  Cheilanthes covillei A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20692 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR113967  Cheilanthes newberryi Mitch Provance 1999-3-8 1061 Riverside Jurupa Mountains, SE Pyrite Canyon (= SE end of Wilder's Cyn.), c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  RSA0106695  Cheilanthes parryi Duncan S. Bell, Thomas Stoughton 2010-3-19 564 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA686409  Cheilanthes parryi T. R. Pray 1960-3-4 1647 Riverside Andreas Canyon Comment
  UCR91552  Cheilanthes viscida A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15904 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, along the loop rd just below the lower tram station 793 Comment
  UCR158234  Chenopodium Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  CAS-BOT-BC140677  Chenopodium album John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  SEINET238511  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside: railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  UCR252003  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2014-7-2 41177 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SDSU13670A  Chenopodium berlandieri var. sinuatum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  RSA750735  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  RSA340186  Chilopsis linearis W. A. Tilforth 1980-5-28 54178 Riverside San Bernardino Mts: Rocky, W-facing slope of Whitewater ridge above old bridge. Comment
  RSA114358  Chilopsis linearis subsp. arcuata P. C. Everett, E. K. Balls 1956-5-2 21560 Riverside 3.1 mi. n. from jct. with Hwy. 60/70 along rd. to Lost Palms Canyon, sw Eagle Mts. 716 Comment
  UC1280918  Chilopsis linearis subsp. arcuata H. E. McMinn 1935-6-27 4075 Riverside Palm Springs Comment
  SEINET10898022  Chilopsis linearis subsp. arcuata Frank Almeda 1976-6-5 Almeda 2826 Riverside Rocky wash with shrubby vegetation ca 4-5 mi N of Interstate Hwy. #10 off of Whitewater Canyon Road. Comment
  UCR50730  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside Sonoran (Colorado) Desert, just west of Blythe along canal near Hobson Way. 75 Comment
  RSA620350  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area: large clay patch adjacent to the Skinner entrance road, ca. 1 km NE of Borel Road. (33 deg 34'30N, 117 deg 02'W; Bachelor Mt. 7.5 Quad: T7S R1W center of SW/4 Sec.7) Alt. 473 m/1550 ft. 473 Comment
  CAS-BOT-BC184865  Chloris virgata Malcom A. Nobs; S. Galen Smith 1948-9-3 490 Riverside Imperial Valley. 2 miles north of Indio. Comment
  CAS-BOT-BC39669  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area. Diamond Valley, along State Street (R3) ca. 0.5 mile north of Newport Road. South of Hemet 488 Comment
  RSA727398  Chorizanthe brevicornu Naomi Fraga, Lisa Rojas 2005-2-10 1386 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA796015  Chorizanthe brevicornu Duncan S. Bell 2009-4-18 249 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  JOTR30957  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1932 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA392606  Chorizanthe brevicornu var. brevicornu M. B. Dunkle 1935-4-17 4559 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA644219  Chorizanthe brevicornu var. brevicornu Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1358 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  UCR167072  Chorizanthe coriacea Scott D. White 2005-3-29 10851 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  JOTR36428  Chorizanthe corrugata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3401 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA0026169  Chorizanthe corrugata Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17714 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  RSA282769  Chorizanthe fimbriata C. W. Tilforth 1979-6-27 1814 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta Comment
  CAS-BOT-BC191348  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  UCR209585  Chorizanthe parryi var. parryi Robert J. Steers, Matt Willis, Jodi Ross 2009-6-3 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, between Pipeline Rd. and San Gorgonio River, south of I-10 and 0.46 mi. west of Agnes Ave. crossing of Blanche Ave. 552 Comment
  UCR56702  Chorizanthe polygonoides subsp. longispina Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW slope of Mesa de Burro 579 Comment
  UCR187350  Chorizanthe polygonoides var. longispina Naomi Fraga, Dolores Gault, T. Thibault, Michael Wall 2005-5-19 1564 Riverside Peninsular Ranges; Santa Ana Mountains region, alongside Elsinore Peak Comment
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Oct 28 2010
  UCR256750  Chorizanthe polygonoides var. longispina T. B. Salvato, Matthew Malle 2013-4-10 7530 Riverside Gavilan Hills, southeastern slopes, 0.30 mi north of the Temescal Canyon and 0.15 mi northwest of Black Powder Canyon 402 Comment
  RSA516896  Chorizanthe rigida Steve Boyd, Orlando Mistretta 1986-3-13 1412 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA586797  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-3 235 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
  RSA11585  Chorizanthe xanti var. leucotheca C. Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash Comment
  RSA476635  Chrysolepis sempervirens G. R. Johnstone 1928-9-3 s.n. Riverside Near the Summit. San Jacinto Mt. 3277 Comment
  UCSB1020  Chrysolepis sempervirens White, Arthur 1960-5-14 Riverside Black Mountain lookout, 15 mi. N. of Idyllwild 2133 Comment
  CLARK-A1528-1769  Chrysopsis villosa John C. Roos 1951-9-25 5299 Riverside Santa Ana River 259 Comment
  CLARK-A1528-187  Chrysopsis villosa var. echioides C. M. Flanagan 1973-6-13 OO 701 Riverside Morongo Indian Reservation 975 Comment
  POM184189  Chrysothamnus paniculatus M. French Gilman 1932-11-30 5 Riverside Cabazon Comment
  RSA93244  Chrysothamnus paniculatus F. W. Peirson 1922-12-26 3331 Riverside Whitewater Grade, near Cabazon Comment
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Mar 13 2011
  SEINET3102125  Chrysothamnus paniculatus Marc A. Baker, Michelle Cloud-Hughes 2011-10-13 17476 Riverside Cottonwood Mountains, Pinkham Canyon, 45km ESE of Palm Springs, 26km NW of Chiriaco Summit, 2.5km south of the Snow Cloud Mine. 808 Comment
  JOTR16578  Chrysothamnus teretifolius Baker, James K. & Baker, Ilisa T. 1976-2-9 s.n. Riverside Joshua Tree National Park. ROAD TO STUBBE SPRING 1310 Comment
  RSA696808  Chrysothamnus teretifolius J. Russell Bruff 1928-12-4 s.n. Riverside Split Rock Comment
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Oct 23 2011
  UCR150646  Chrysothamnus teretifolius Bern Schwenn 1994-11-18 s.n. Riverside Joshua Tree National Monument, W slope of Ryan Mtn., along trail 1463 Comment
  UCR241511  Chylismia arenaria A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40641 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR244883  Chylismia cardiophylla subsp. cardiophylla Jim Andre 2012-3-19 21391 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UC1184362  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11584 Riverside along US Hwy 60 24.7 mi e turn to Corm Springs; Chuckwalla Mountains Comment
  JOTR38693  Chylismia claviformis subsp. claviformis Hodges, Stephen R. 2017-2-7 709 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  CAS-BOT-BC289650  Cirsium occidentale var. californicum John Thomas Howell 1931-6-4 6645 Riverside Summit of Jackrabbit Trail Comment
  UC1535382  Cirsium occidentale var. californicum A. C. Sanders and B. Pitzer 1987-4-21 7048 Riverside near southernmost radio towers Box Springs Mountains; , Riverside East Quad. 792 Comment
  RSA438786  Cirsium scariosum Anstruther Davidson 1903-4-1 s.n. Riverside Palm Springs. Comment
  UC373504  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside 8 mi w Prado; Santa Ana Canyon 400 Comment
  CLARK-A1528-646  Clarkia purpurea subsp. quadrivulnera 1972-5-17 OO 642 Riverside Morongo Indian Reservation 1158 Comment
  JEPS1950 Image available Clarkia purpurea subsp. quadrivulnera H. M. Hall 1905-6-3 6241 Riverside vicinity Riverside (e base of mountain); Box Springs Mt.; Eastern base of Box Springs Mt., vicinity of Riverside 533 Comment
  UC20333  Clarkia purpurea subsp. quadrivulnera H. M. Hall June, 1901 Riverside s side Small Valley; San Jacinto Mountains 1310 Comment
  SEINET7048192  Clarkia purpurea subsp. quadrivulnera Steven R. Hill, Andrew C. Sanders 2001-5-4 33701 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  RSA448337  Clarkia rhomboidea N. C. Cooper 1949-6-29 4349 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  UCR124325  Clarkia unguiculata C. J. Harker 1969-5-19 20 Riverside San Bernardino Valley/Peninsular Range, Riverside, Fairmont Park [probably North Hill, on south side of park -- ACS, '99] 244 Comment
  UC218122  Claytonia parviflora subsp. viridis P. A. Munz 1922-6-30 5910 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  RSA180251  Claytonia perfoliata subsp. mexicana E. W. Lathrop 1965-4-18 5659 Riverside 10 miles west of Murrieta. Comment
  RSA509570  Claytonia perfoliata subsp. mexicana 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
  UCSB1947  Clematis lasiantha DeWitt, Jack 1959-5-18 Riverside 5.1 miles 1. of Banning on Rd. to San Jacinto Mtns. and Idyllwild 762 Comment
  CHSC1440  Clematis pauciflora E. Thomas 1940-3-10 Riverside San Jacinto foothills. Comment
  SBBG114206  Clematis pauciflora C. Bornstein, E. Collins 1992-4-13 Riverside Hwy 74 (Ortega Hwy) near summit 762 Comment
  SD80149  Clematis pauciflora Nacny Ryan Zabriskie, Walter Zabriskie 1971-3-7 352 Riverside Andreas Canyon, east slope of San Jacinto Mountains 359 Comment
  UCR138641  Clematis pauciflora D. L. Banks 1997-2-17 1267 Riverside Agua Tibia Mountains, NW Palomar Mountains: NW foothills of Dorland Mtn at the S end of Los Caballos Road the University of California-Emerson Oaks Reserve. The westernmost portion of the Preserve, south of a large, privately owned citrus grove 506 Comment
  POM500A  Cleome isomeris I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  JOTR30956  Coleogyne ramosissima La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1931 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM12956  Collinsia concolor Philip A. Munz, I. M. Johnston 1922-5-21 5532 Riverside Hemet Valley. 1433 Comment
  RSA0117427  Collinsia concolor Scott D. White 1991-4-10 91 -45 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, and S of Cactus Valley Road. 610 Comment
  RSA0117455  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1259 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1430 Comment
  RSA0117462  Collinsia concolor F. W. Peirson 1921-5-19 3040 Riverside Rocky slope not far from floor of Hemet Valley. 1341 Comment
  UCR16022  Collinsia heterophylla Kirk Taylor 1976-5-23 760523 17 Riverside Peninsular Range; Santa Ana Mtns., Mesa de Colorado, 9 mi west of Murrieta on Tenaja Rd. 549 Comment
  JEPS122477  Collomia grandiflora J. M. Andre 2012-6-15 30528 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  UCR166148  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 550 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SBBG54139  Colubrina californica C. S. Jones 1979-3-27 41 Riverside wash ca. 5 mi N of Interstate 10, 4 mi W of Desert Center 426 Comment
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Mar 15 2013
  RSA0024815  Condalia globosa var. pubescens Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-23 4461 Riverside Orocopia Mountains; southeast section of range, south of Salt Creek, about 0.25 air mile south of the Bradshaw Trail. 469 Comment
  UCR250094  Convolvulus simulans A. C. Sanders 2014-4-18 41038 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  RSA588812  Conyza canadensis D. L. Banks, Steve Boyd 1995-10-17 0765 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA786957  Cordylanthus filifolius Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49542 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  SEINET3079759 Image available Cordylanthus filifolius H. S. Gentry 1954-7-26 14255 Riverside Dripping Springs along Rte 79. Comment
  RSA555204  Cordylanthus nevinii John F. Emmel 1983-9-17 892 Riverside San Jacinto Mts.; Idyllwild; on north-facing slope of West Ridge, 0.3 mile SSW of Camp Emerson. 1622 Comment
  UCR103461  Cordylanthus rigidus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  UCR54452  Cordylanthus rigidus A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA271151  Coreopsis californica C. W. Tilforth, Walter Wisura, John Dourley 1978-3-10 1502 Riverside 5 miles NW of Alberhill along Hwy 71. 366 Comment
  RSA552693  Coreopsis californica Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SEINET270123  Coreopsis californica Steve Boyd, Orlando Mistretta; Tim Ross 1992-2-26 6701 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  RSA737230  Coreopsis grandiflora Justin M. Wood 2008-9-22 150 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CLARK-A1528-1788  Corethrogyne filaginifolia John C. Roos 1965-8-19 Riverside Beaumont Comment
  RSA829  Corethrogyne filaginifolia J. T. Howell 1927-8-2 560 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA0042781  Cornus nuttallii Nancy Anderson 1955-5-22 s.n. Riverside Dark Canyon. 1676 Comment
  UC1536973  Crassula connata Gordon H. True Jr. 1935-2-27 26 Riverside Box Springs 365 Comment
  UCR228931  Crassula connata A. C. Sanders 2011-4-7 39025 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UC831110  Crassula connata var. erectoides C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4731 Riverside Gavilan Peak 600 Comment
  UCR110399  Cressa truxillensis A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23182 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR82247  Cressa truxillensis J. M. Stewart 1994-5-2 864 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  SD119916  Crocanthemum scoparium var. vulgare Louis B. Ziegler 1971-9-29 430 Riverside Hills west of Murrieta. 409 Comment
  UC129846  Crocanthemum scoparium var. vulgare Charlotte M. Wilder May 1908 892 Riverside Wilders' Jurupa Hills Comment
  NY268564  Crossosoma bigelovii P. A. Munz 1952-5-2 16235 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457.2 Comment
  POM296499  Crossosoma bigelovii Lyman Benson 1945-3-29 11632 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  RSA721999  Crossosoma bigelovii Christopher Davidson, B. Gustafson 1977-4-7 5587 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  VVC190  Crossosoma bigelovii A. C. Sanders 1995-4-5 16349 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  HSC27844  Croton californicus R. W. Spjut 1973-4-13 3298 Riverside Colorado Desert, within the city limits of Palm Springs just N of the metropolitan area on Palm Canyon Drive, Hwy. 111 122 Comment
  RSA775625  Croton californicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1005 Riverside Road circling Sheep Hole Valley Wilderness, NS569 at junction with Hwy 62 on east side of NS569 along washlets. 396 Comment
  SBBG92360  Croton californicus J. M. Stewart 1989-11-20 634 Riverside S side of Edom Hill, N of Cathedral City Comment
  UCR89872  Croton californicus George K. Helmkamp 1994-3-8 41 13 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  SEINET9253118 Image available Croton californicus Hugh Harvey 1940-2-16 M 1117 Riverside Morongo Reservation. 579 Comment
  POM3858  Cryptantha angustifolia H. M. Hall 1905-4-27 5922 Riverside Bottom land near Colorado river. 76 Comment
  RSA4903  Cryptantha angustifolia C. B. Wolf 1932-4-27 3019 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA788739  Cryptantha angustifolia Aaron C. Sedgwick, David Fraker 2012-3-28 29 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SD244094  Cryptantha angustifolia Dave Silverman, A. C. Sanders 2010-3-23 7818 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 kmn SW of Palen Dunes Drive, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well. 130 Comment
  SEINET3083709 Image available Cryptantha angustifolia George K. Helmkamp, E. Helmkamp 1998-1-17 2546 Riverside Sonoran (Colorado) Desert; Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal 0 Comment
  SEINET4568268 Image available Cryptantha angustifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4593 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR213277  Cryptantha angustifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37426 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
  RSA0047252  Cryptantha barbigera J. Mark Porter, Leigh A. Johnson 1997-3-10 11465 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  RSA0106707  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-9 757 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  UCR201486  Cryptantha barbigera var. fergusoniae Scott D. White, Justin M. Wood 2008-6-16 12144 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR127337  Cryptantha corollata A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25853 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  JOTR33864  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3050 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  SBBG87958  Cryptantha cycloptera A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6144 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  POM13225  Cryptantha intermedia E. C. Jaeger 1921-4-12 1127 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  UC64407  Cryptantha intermedia H. M. Hall 1899-5-1 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  UCR22050  Cryptantha intermedia Steve Boyd 1980-4-27 141 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UC100916  Cryptantha maritima E. Schellenger 1905-3-10 Riverside Palo Verde Valley Comment
  UC573150  Cryptantha maritima Herbert L. Mason 1928-3-10 4227 Riverside Hidden Springs Canyon Coachella Mountains Comment
  JEPS67968  Cryptantha micrantha W. L. Jepson 1901-5-19 1295 Riverside near Chalk Hill (on road to Strawberry Valley); San Jacinto Mt. 1676 Comment
  RSA699345  Cryptantha micrantha J. R. Bruff 1928-4-2 s.n. Riverside Whitewater Comment
  RSA499654  Cryptantha micrantha var. lepida N. C. Cooper 1944-5-20 1249 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  RSA263650  Cryptantha microstachys E. W. Lathrop 1968-6-2 6959 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCR138755  Cryptantha microstachys Scott D. White 1997-5-18 5181 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR108475  Cryptantha muricata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16200 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  SD4237  Cryptantha muricata var. jonesii Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountain: Idyllwild Comment
  SBBG101675  Cryptantha muricata var. muricata S. Boyd with R. Gentry 1991-5-30 6316 Riverside Murrieta, summit of Hogbacks on Gentry Experimental Farm 542 Comment
  SBBG29800  Cryptantha pterocarya H. and M. Dearing 1942-3-9 4819 Riverside Eagle Cyn near Palm Springs Comment
  UCR84844  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16134 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  HSC25820  Cryptantha racemosa Richard Spjut 1972-3-20 2289 Riverside Colorado Desert; N base of the Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  RSA614832  Cryptantha racemosa A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15814 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  RSA339347  Cryptantha utahensis R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54077 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA499801  Cryptantha utahensis Christopher Davidson 1973-4-19 1987 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA699862  Cryptantha utahensis J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA796454  Cuscuta Duncan S. Bell 2009-4-18 224 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR241607  Cuscuta A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40822 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, intersection of Chuckwalla Valley Rd. and Graham Pass Rd. 124 Comment
  RSA409704  Cuscuta californica M. B. Dunkle 1934-2-19 3838 Riverside San Juan Canyon 396 Comment
  RSA488714  Cuscuta californica James L. Reveal 1972-8-9 2867 Riverside along California Highway 243, 6.5 miles northwest of the Alandale Ranger Station, about 0.5 miles south of Bay Tree Spring near the trail to Black Mountain. Comment
  UCR35150  Cuscuta californica var. papillosa L. B. Ziegler 1972-6-10 480 Riverside San Jacinto Valley, [Santa Rosa ] hills on south side of valley (W of Ramona Bowl) Comment
  UCR280611  Cuscuta salina Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 18 Riverside Elsinore Trough, South corner of Baker St. and Bromley Ave. 384 Comment
  UCR117348  Cylindropuntia californica var. californica Mitch Provance 1998-3-22 282 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR26227  Cymopterus panamintensis var. acutifolius John C. Roos 1947-2-15 3243 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  RSA792472  Cynanchum utahense Justin M. Wood, D. Ray 2011-4-28 3837 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 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
  UCR77594  Cyperus eragrostis Steve Boyd 1991-7-13 6408 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  UCR92686  Cyperus eragrostis Scott D. White 1995-7-7 3459 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA588665  Cyperus odoratus Darin L. Banks, Steve Boyd 1995-10-17 820 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns to the E., Just W of the Metasedimentary hills. 524 Comment
  RSA736649  Cyperus odoratus Justin M. Wood 2008-7-16 37 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR277724  Cyperus odoratus Mitch Provance 2012-11-3 1112- 07 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  UCR183344  Cyperus rotundus K. E. Hoffmaster 1958-1 s.n. Riverside Sonoran (Colorado) Desert, Indio 3 Comment
  RSA719784  Cyperus squarrosus Naomi Fraga, et al. 2006-7-11 1724 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA680162  Cystopteris fragilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8626 B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SBBG56301  Cystopteris fragilis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  RSA684339  Dalea emoryi Scott D. White, Michael Honer 2003-4-18 9039 Riverside Coachella Valley. Open sand north of the I-10 Freeway at Jefferson Ave. interchange. 12 Comment
  SBBG3313  Dalea mollis H. and M. Dearing 1936-12-25 794 Riverside ca. 10 mi S Indio Comment
  SEINET958514  Dalea mollis Dave Silverman, Cindy Hopkins 2005-1 5757 Riverside NE Riverside Co., Rice Valley, SE of Danby Dry Lake, S. of Highway 62, along Midland (Blythe-Rice) Roadside, S. of railroad crossing, ca. 234 m elev. 234 Comment
  CLARK-A1528-5674  Dalea mollissima John C. Roos 1937-4-24 764 Riverside Sheep Hole Mountains Comment
  UCR24509  Dalea mollissima John C. Roos 1949-3-19 4106 Riverside Sonoran (Colorado) Desert, near Dos Palmas Spring on the E side of the Salton Sea in the vicinity of Salt Creek -30 Comment
  UCSB41264  Dalea mollissima Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wells; Whittaker transect #W-218 (voucher) 210 Comment
  UCD65756  Dasyochloa pulchella A. A. Beetle 1942-4-23 3186 Riverside Rt. 95, 9 miles north of Blythe. Comment
  RSA564025  Datisca glomerata M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Along Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
  CLARK-A1528-4340  Datura discolor John C. Roos 1949-3-5 4094 Riverside Colorado Desert Comment
  UCR30448  Datura stramonium John C. Roos 1965-10-6 s.n. Riverside Santa Ana River at Pedley 201 Comment
  JOTR34378  Datura wrightii Andre, Jim 2012-4-16 20898 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  SDSU11088  Datura wrightii Ronald H. Bogelow 1962-4-16 Riverside 10 yards from north side of 29 Palms road, about 10 miles from Desert Center Rd. Comment
  UCR172154  Datura wrightii A. C. Sanders 2006-5-11 32272 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
  RSA263731  Daucus pusillus E. W. Lathrop 1966-5-8 6517 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA500206  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3538 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR182426  Daucus pusillus Mitch Provance, A. Montalvo 2005-5-12 6700 Riverside Granitie Knolls and Mesas of Riverside, Riverside (Prenda area), land bordering the E side of Washington and the north side of Hermosa St. 335 Comment
  SEINET13943946 Image available Daucus pusillus H. B. Frost 1914-1 H. B. F. 1328 a & b Riverside Riverside C.E.S. Comment
  UC480887  Deinandra fasciculata S. B. Parish 1916-7-8 10773 Riverside pass road to Riverside Comment
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Apr 16 2011
  HSC87025  Deinandra kelloggii L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  CAS-BOT-BC131040  Deinandra paniculata A. C. Sanders; Chet McGaugh 1991-7-19 11155 Riverside Murrieta Hot Springs, on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  UC1979620  Deinandra paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. Comment
  UC297879  Deinandra paniculata David D. Keck 1926-9-30 264 Riverside 9.7 mi n Perris Comment
  UCR281840  Deinandra paniculata R. E. Riefner Jr. 2017-8-12 17- 385 Riverside Perris-Aguanga Basin, city of Temecula, along the levee of Murrieta Creek, north side of Diaz Road, at Remington Avenue 327 Comment
  CAS-BOT-BC7980  Delphinium parishii subsp. parishii H. Lewis; C. Epling 1941-5-4 S.N. Riverside Joshua Tree Nat. Mon., 5 miles south of White Tank on the road to Pinto Basin. Comment
  UC534127  Delphinium parishii subsp. subglobosum S. B. and W. F. Parish April 1883 1222 Riverside Agua Caliente Comment
  UCSB1974  Delphinium parishii subsp. subglobosum Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles N of U. S. 99; Western edge of Colorado Desert Comment
  SBBG122777  Delphinium parryi A. Parikh 1990-4-17 152 Riverside 0.4 km S of Potrero Crk, 4.1 km ENE of Gilman Hot Springs 665 Comment
  UC1126030  Delphinium parryi J. B. Spring 1931-4-21 36 Riverside Branch of Mockingbird Canyon Elsinore Quadrangle Comment
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Apr 2 2011
  UC1537319  Delphinium parryi Gordon H. True Jr. 1930-3-20 98 Riverside in wash Mockingbird Hills, Mockingbird Canyon 365 Comment
  UCR162975  Delphinium parryi N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 187 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR16746  Delphinium parryi subsp. parryi Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  CAS-BOT-BC158124  Dendromecon rigida Abby Sirulnik 2000-5-7 30 Riverside Peninsular Ranges; San Jacinto Mtns.: Along Mt. Edna Rd. off of CA Hwy 243, ca. 5 mi. N of Poppet Flats 1159 Comment
  UC495187  Dendromecon rigida P. A. Munz 1932-4-24 12392 Riverside Snow Creek Canyon San Jacinto Mts. (rocky wash) 457 Comment
  UCR174615  Dendromecon rigida Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 344 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  POM12965  Dendromecon rigida subsp. rigida P. A. Munz, I. M. Johnston 1922-5-19 5406 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA563901  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  POM162730  Deschampsia elongata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  RSA597937  Deschampsia elongata F. M. Reed 1928-6-18 6138 Riverside Temescal [Santa Ana] Mountains: Main Street Canyon, south of Corona. 579 Comment
  RSA772417  Descurainia pinnata subsp. glabra Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4846 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA775387  Descurainia pinnata subsp. glabra Duncan S. Bell 2011-4-10 2243 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UC856000  Descurainia pinnata subsp. glabra C. L. Hitchcock 1940-4-1 5911 Riverside Cottonwood Spring wash; Joshus Tree National Monument Comment
  RSA763652  Dicentra chrysantha Doris Bowers 1972-4-15 1848 Riverside E. end of Avenida Bravura (N. on Portola Rd.), Rancho Calif. 457 Comment
  RSA527855  Dichelostemma capitatum subsp. capitatum Scott D. White 1991-5-10 91 -155 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR137502  Dichelostemma capitatum subsp. capitatum D. L. Banks, V. W. Steinmann 1997-3-13 1484 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR21975  Dichelostemma capitatum subsp. capitatum Steve Boyd 1980-5-5 205 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  CAS-BOT-BC292189  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside Whitewater Wash along Snow Creek Road near State Highway 111 350 Comment
  CAS-BOT-BC292201  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Salton Basin. Indio -6 Comment
  CLARK-A1528-1797  Dicoria canescens John C. Roos 1948-10-15 Riverside Whitewater Comment
  GMDRC7548  Dicoria canescens J. M. Andre 2015-4-23 32756 Riverside Rice Valley: along Rice-Midland Rd, 3.1 mi. south of Hwy 62, eastern end of Arica Mountains 253 Comment
  HSC47476  Dicoria canescens Richard Spjut, Judy Adams 1978-11-22 5238 Riverside Colorado Desert; vicinity of North Palm Springs along Indian Ave. Comment
  UCR19367  Digitaria ischaemum John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, San Jacinto Comment
  UCR207224  Digitaria ischaemum O. F. Clarke 2003-6-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC291032  Dimorphotheca sinuata Steve Boyd 1986-4-10 1640 b Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon Comment
  SD137608  Diplacus aurantiacus Darin L. Banks 1995-3-30 132 Riverside Cleveland national Forest; Agua Tibia Wilderness Area. N slope of Agua Tibia Mountain. W of the Dripping Springs Alcove, on the Woodchuck Trail 633 Comment
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Mar 2 2013
  SEINET269429 Image available Diplacus bigelovii var. bigelovii John Wear 1995-1 Riverside Colorado Desert; wash along Eagle Mountain Road north of I-10 near Desert Center Comment
  CAS-BOT-BC153098  Diplacus fremontii H. M. Hall 1901-6-1 2049 Riverside In the vicinity of Chalk Hill 1524 Comment
  CAS-BOT-BC434235  Diplacus fremontii Tracy Tennant; Mitch Provance 1998-6-16 MOR- 403 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1052 Comment
  RSA0016056  Diplacus fremontii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38096 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  CAS-BOT-BC150873  Diplacus puniceus C. F. Baker 1904-4-4 4152 Riverside Elsinore Comment
  RSA0086589  Diplacus puniceus Bonnie C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1086 Riverside Hillsides near Gavilan Peak. 607 Comment
  UCD64565  Distichlis spicata F. M. Reed 1914-8-21 Riverside Elsinore Lake, NE beach. Comment
  UCR2330  Distichlis spicata F. M. Reed 1906-4-29 944 Riverside Riverside, in the Santa Ana River bottom near the racetrack below Chinatown 244 Comment
  JOTR34105  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  POM193208  Ditaxis lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center. Comment
  RSA421606  Ditaxis lanceolata Robert Gustafson 1980-4-3 1516 Riverside Orocopia Mountains, about 15 miles E of Mecca on Box Canyon road, thence about 2 miles S along dirt road 579 Comment
  RSA567658  Ditaxis lanceolata A. C. Sanders, E. J. Lawlor 1992-4-4 12108 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA776244  Ditaxis neomexicana Duncan S. Bell 2010-3-20 595 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  JOTR33809  Ditaxis serrata var. californica La Doux, Tasha, B. Truesdell 2007-11-9 3326 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Canyon, near mouth of canyon along south park boundary (STOP 3) 635 Comment
  RSA530738  Dithyrea californica Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  RSA585880  Dodecahema leptoceras D. L. Banks, Peter Morrell 1995-5-4 314 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  UCR217794  Draba cuneifolia Jim Andre, T. La Doux 2010-2-28 12561 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  CAS-BOT-BC41700  Draba cuneifolia var. sonorae H. M. Hall 1903-4-1 3804 Riverside Vicinity of Riverside. 365 Comment
  POM262939  Draba saxosa J. C. Roos 1937-8-18 495 Riverside Forest near Hidden Lake, San Jacinto Mts. Comment
  RSA530887  Draba saxosa M. B. Dunkle 1933-7-23 3758 Riverside San Jacinto Peak 3301 Comment
  RSA60297  Drymocallis glandulosa G. R. Campbell 1948-7-4 608 Riverside Azalea Trails Girl Scout Camp, north of Idyllwood, Dark Canyon. 1646 Comment
  UCR3889  Dudleya edulis John Minnich 1964-6-20 s.n. Riverside Santa Ana Mtns., 11 miles north of Fallbrook 305 Comment
  CAS-BOT-BC126732  Dudleya lanceolata A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt 2010-5-17 38401 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR161253  Dudleya pulverulenta A. C. Sanders, Kelly Volansky 2005-8-31 31584 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  SEINET3412075 Image available Echinocereus engelmannii var. engelmannii Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28522 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UC69324  Echinodorus berteroi F. M. Reed 1903-6-13 668 Riverside Lakeview Comment
  CDA4578  Eclipta prostrata Gene Drake 1975-7-3 Riverside Riverside Canal, Nixon at McKinley, Riverside. 0 Comment
  UCR110376  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23117 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  SEINET954735  Ehrharta longiflora Tom Chester 2005-1 581 Riverside Peninsular Ranges; Santa Ana Mountains region: Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  RSA750102  Eichhornia crassipes R. E. Riefner 2009-2-25 9 -18 Riverside city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  SDSU21796  Elatine brachysperma Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3984 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  CAS-BOT-BC113602  Eleocharis acicularis H. M. Hall 1901-7-9 2366 Riverside In meadows and bogs of Tahquitz Valley. 2438 Comment
  UCR225160  Eleocharis bella Steve Boyd, Gary Wallace 2005-7-30 11646 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  CAS-BOT-BC112734  Eleocharis geniculata W. R. Dudley 1903-12-29 s.n. Riverside Palm Springs Comment
  CLARK-A1656-829  Eleocharis geniculata Jon Mark Stewart 1982-11-13 82-014 Riverside Indio Hills 198 Comment
  UC1100718  Eleocharis macrostachya Malcolm A. Nobs, S. Galen Smith 1948-9-3 502 Riverside Thermal Imperial Valley Comment
  UC1254604  Eleocharis macrostachya James E. Cole 1941-5-27 811 Riverside Barker Dam Joshua Tree National Monument Comment
  RSA575974  Eleocharis montevidensis Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, south flank of the range in Arroyo del Toro along Bull Canyon Road. Comment
  UCR272503  Eleocharis montevidensis Mitch Provance 2012-8-8 812- 02 Riverside San Gorgonio Pass, Banning, S. Hathaway St., between Adams St. and Bryan St. 659 Comment
  UCR43787  Eleocharis montevidensis R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60632 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  SEINET7586407 Image available Eleocharis montevidensis Unknown 1969-6-6 39345 Riverside Santa Rosa Plateau, Rancho California. 610 Comment
  SD187302  Eleocharis parishii Scott D. White, Angelia Carey 2004-5-7 10323 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR111564  Eleocharis parishii Mitch Provance 1999-5-4 1683 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR93237  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCR154389  Elymus condensatus A. C. Sanders, Mike Misenhelter 2005-6-15 30984 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  POM19850  Elymus elymoides Mary F. Spencer 1929-6-29 2254 Riverside Idyllwild [San Jacinto Mountains] 1616 Comment
  UC729841  Elymus elymoides subsp. elymoides Carl B. Wolf 1932-8-5 3948 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  CAS-BOT-BC206528  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2097 Riverside Slopes and benches of the south side - San Jacinto Mountains 1463 Comment
  UCR2102  Elymus trachycaulus F. M. Reed 1908-7-14 2471 Riverside San Jacinto Mtns., canyon on road to Strawberry Valley [Old Control Rd. from Oak Cliff, vicinity of Halfway Spring] 1220 Comment
  CLARK-A1656-622  Emmenanthe penduliflora Lois Ann Scott 1978-4-4 Riverside Palm Springs 243 Comment
  JEPS1577  Emmenanthe penduliflora L. M. Newlon 1922-4-4 445 Riverside Andreas Canyon; San Jacinto Mts. Comment
  POM17934  Emmenanthe penduliflora P. A. Munz 1923-6-14 7122 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  UCR103920  Emmenanthe penduliflora B. G. Pitzer 1997-4-11 3116 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
  LA26721  Encelia actoni William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  POM11524  Encelia actoni P. A. Munz 1922-7-3 5961 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  UCD131193  Encelia actoni William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  POM656671  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-9 3324 Riverside Blythe. 81 Comment
  RSA515197  Encelia farinosa var. farinosa Steve Boyd 1986-3-13 1466 Riverside West side Palen Mts.: NE of Desert Center. Comment
  CAS-BOT-BC131416  Encelia frutescens W. L. Jepson 1912-10-22 5245 Riverside Riverside Mts 137 Comment
  UC1979833  Encelia frutescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 981 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  UCSB70499  Encelia virginensis Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) South on Highway 74 from junction with Highway 111 at Indian Wells; Whittaker transect #W-220 950 Comment
  RSA383878  Ephedra californica Martha Hilend 1928-3-11 108 Riverside Morongo Valley n. of Colorado Desert, California. Comment
  UCR72190  Ephedra californica Theo Glenn 1991-5-2 91- 123 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  RSA0120625  Ephedra fasciculata Duncan S. Bell, Thomas Stoughton 2016-3-15 8936 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  RSA0019797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-5-14 68 -A Riverside Blythe-Rice Rd, at the valley bottom approx 2 mi S of Hwy 62 (S of RR tracks) 243 Comment
  RSA740252  Epilobium brachycarpum Scott D. White, Justin M. Wood 2008-7-9 12406 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR220335  Epilobium campestre D. E. Bramlet 1992-4-29 2248 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  POM200880  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well, Little San Bernardino Mts. 1220 Comment
  UCR208952  Epilobium canum subsp. latifolium N. C. Cooper 1943-9-11 922 Riverside San Jacinto Mtns., below Idyllwild 1372 Comment
  UCR5606  Epilobium canum subsp. latifolium O. F. Clarke 1966-10-5 661005- 34 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  RSA9685  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-3 197 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mountains. 2348 Comment
  UCR23534  Epilobium oregonense John C. Roos 1937-8-18 2528 Riverside San Jacinto Mtns, Round Valley 2744 Comment
  UCSB925  Epipactis gigantea Kamb, Peter 1948-7-11 Riverside Hall Canyon; San Jacinto Mtns 1645 Comment
  IRVC1251  Equisetum laevigatum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 259 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  POM11835  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5515 Riverside Kenworthy, San Jacinto Mountains 1524 Comment
  RSA684644  Equisetum telmateia var. braunii H. Twining 1890-04 s.n. Riverside Riverside 240 Comment
  UCD63462  Eragrostis mexicana subsp. mexicana G. Helmkamp 1997-11-1 2518 Riverside Bermuda Dunes, 41st St. and Sparky (just E of Washington and S of I-10). 30 Comment
  RSA0105846  Eragrostis mexicana subsp. virescens Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UC573246  Eragrostis minor H. S. Yates 1937-6-28 6731 Riverside Palm Springs San Jacinto Quad., Palm Springs 137 Comment
  UC577615  Eragrostis minor H. S. Yates 1937-6-28 6731 Riverside Palm Springs; San Jacinto Quad. Comment
  POM78995  Eragrostis pectinacea I. M. Johnson 1925-7-19 s.n. Riverside Pedley. Comment
  RSA28057  Eremalche exilis I. L. Wiggins 1941-3-27 9685 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA584898  Eremalche exilis C. Reiser 1991-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park, northwestern corner of Park south of harford Spring and north od trailer park. 579 Comment
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Mar 4 2013
  UCR273741  Eremalche exilis Duncan S. Bell, Amanda Bell, Evan Bell 2012-1-28 3069 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  UCSB30303  Eremothera boothii subsp. condensata Sauls, Mary 1977-2-27 Riverside Upper bajada of Box Canyon wash, ca. 5 mi. W. of junction Interstate 10 and Hwy. 195 365 Comment
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Nov 16 2015
  CHSC1148  Eremothera boothii subsp. desertorum M. Garbutt 1935-3-20 Riverside Colorado Desert. Comment
  UCR279372  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-24 42956 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  JEPS69021  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside between Banning and Strawberry Valley; Mt. St. Jacinto Comment
  SEINET4344934 Image available Eriastrum diffusum Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UC1392684  Eriastrum eremicum R. F. Hoover 1969-4-14 11229 Riverside just s south city limit; Palm Springs Comment
  RSA0120068  Eriastrum eremicum subsp. eremicum M. French Gilman 1926-5-9 A- 15 Riverside Colorado Desert. Morogo Wash. Comment
  CAS-BOT-BC514452  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2789 b Riverside Palm Canyon Road to Palm Springs Comment
  CAS-BOT-BC514462  Eriastrum eremicum subsp. eremicum Mr. May 1914-3-1 s.n. Riverside May Comment
  CLARK-A1528-3494  Eriastrum sapphirinum John C. Roos 1965-6-13 Riverside San Jacinto Valley Comment
  UCR182445  Eriastrum sapphirinum Mitch Provance 2005-5-27 4608 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  CAS-BOT-BC515004  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1931-5-30 6595 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA314172  Ericameria cuneata Walter Wisura 1983-11-12 3950 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  JEPS31370  Ericameria linearifolia W. L. Jepson 1901-5-22 1342 Riverside Palm Canon Comment
  JOTR35438  Ericameria linearifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 44 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  RSA505022  Ericameria linearifolia D. Charlton 1988-5-21 1911 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74.[note: labels I've seen have both localities (A & B) and don't distinguish elevation or vegetation -SDW 2004] 1829 Comment
  SD84911  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 372 Riverside 2.0 miles up water service road leading south from Highway 72, Deep Canyon. 1310 Comment
  UCR243161  Ericameria linearifolia LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4298 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  RSA594499  Ericameria palmeri var. pachylepis D. L. Banks, Rashmi Pant 1996-5-13 1011 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric, arkose ridge, approximately 100 m E of the Dripping Springs Guard Station, just S of Hwy. 500 Comment
  UCR115156  Ericameria palmeri var. pachylepis Mitch Provance 2000-8-24 2222 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 274 Comment
  CAS-BOT-BC299535  Ericameria paniculata J. C. Roos 1965-11-6 s.n. Riverside Whitewater 304 Comment
  POM183885  Ericameria pinifolia P. A. Munz 1932-10-16 12841 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  UCR92700  Ericameria pinifolia A. C. Sanders, O. F. Clarke 1996-4-13 18034 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  UC87569  Erigeron coulteri T. S. Brandegee 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  RSA692224  Erigeron divergens Scott D. White 2003-10-9 9825 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCSB37926  Erigeron foliosus Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
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May 21 2011
  CAS-BOT-BC296241  Erigeron foliosus var. foliosus F. Grinnell 1908-7-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  JEPS41521  Erigeron foliosus var. foliosus W. L. Jepson 1914-5-25 6078 Riverside San Timoteo Canyon Comment
  SBBG104721  Erigeron foliosus var. foliosus M. A. Patten 1992-5-28 92 -10 Riverside just E of Temecula, between Pauba Rd and De Portola Rd, W boundary of site adjacent to Butterfield Stage Rd; property extending E ca. 3400 ft. 365 Comment
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Aug 24 2013
  JOTR31185  Erigeron parishii La Doux, Tasha, G. Clifton 2009-5-14 1952 Riverside Joshua Tree National Park. Little San Bernardino Mountains, upper reaches of East Wide Canyon, just below Upper Covington Flats, narrow gravelly ridge 1405 Comment
  CAS-BOT-BC189082  Eriodictyon crassifolium P. A. Munz 1932-4-24 12390 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  RSA78296  Eriodictyon crassifolium P. A. Munz, E. K. Balls 1952-8-21 17993 Riverside grade south of Banning on Idyllwild road Comment
  HSC93339  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  CAS-BOT-BC248626  Eriogonum apiculatum Philip A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2316 Comment
  JEPS57095  Eriogonum apiculatum W. L. Jepson 1903-8-8 2302 Riverside Tauquitz Valley San Jacinto Mt., Tauquitz Valley 2438 Comment
  POM184032  Eriogonum apiculatum P. A. Munz 1932-10-16 12846 Riverside Santa Rosa Mountains: road from Indio to Vandeventer Flat. 1159 Comment
  POM49861  Eriogonum apiculatum P. A. Munz, I. M. Johnston 1924-7-27 8757 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  SD86300  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north north-west of Idyllwild, 8.9 miles north of the junction with highway 74, and 1 mile south of Alandale Ranger Station Comment
  SEINET6328740  Eriogonum apiculatum Wesley O. Griesel 1962-9-18 s.n. Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  JOTR29159  Eriogonum davidsonii La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1235 Riverside Joshua Tree National Park. Key's view Comment
  SD22474  Eriogonum davidsonii Susan G. Stokes 1933-7-1 Riverside Roadside near Idyllwild 1524 Comment
  SD60831  Eriogonum davidsonii Peter H. Raven 1956-6-30 9544 Riverside Deserty flats 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  RSA690990  Eriogonum deflexum Scott D. White, Michael Honer 2003-5-14 9266 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA393496  Eriogonum elongatum H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Jacinto Mts. 526 Comment
  SD186293  Eriogonum elongatum var. elongatum T. B. Salvato, Melissa Clemons 2005-6-2 1335 Riverside Temescal Valley, Gavilan Hills, ca 0.5 mi SE of Steele Peak, 4 mi SW of Perris, and 6 mi NNE of Lake Elsinore, NW of Hwy 74 573 Comment
  SDSU13544  Eriogonum elongatum var. elongatum W. Miller with C. Mosse 1972-8-9 Riverside Comment
  SDSU6516  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 278 Riverside Along road, South side of Lake Matthews. Comment
  SEINET7907887  Eriogonum fasciculatum D. A. Johnson 2005-1 Riverside 1 mi e of ca 74 on River Rd between Perris & Lake Elsinore 488 Comment
  SEINET6418437  Eriogonum fasciculatum var. flavoviride C. Francis Shutts 1949-3-28 104 Riverside Palms to Pines Highway State 74, south of Palm Springs 747 Comment
  CAS-BOT-BC249961  Eriogonum fasciculatum var. foliolosum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  HSC17274  Eriogonum fasciculatum var. foliolosum D. W. Snell 1964-3-26 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet Comment
  RSA38488  Eriogonum fasciculatum var. foliolosum Percy C. Everett 1945-11-13 11513 Riverside Bear Spring, Main Divide Motorway, Santa Ana Mountains. 1220 Comment
  POM6443  Eriogonum fasciculatum var. polifolium P. A. Munz 1919-5-7 2745 Riverside Palm Springs. 198 Comment
  UCR91275  Eriogonum fasciculatum var. polifolium Scott D. White 1995-4-5 2707 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  SEINET11937962  Eriogonum fasciculatum var. polifolium M. T. Doutt 1931-1 773 Riverside Chino Canyon, Palm Springs Comment
  CAS-BOT-BC253490  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and about 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp Comment
  SBBG62100  Eriogonum gracile P. A. Munz 1928-9-6 11284 Riverside near Santa Ana River, Ontario to Corona Rd Comment
  SD152782  Eriogonum gracile Steve Boyd 1992-10-14 7718 Riverside San Mateo Canyon Wilderness Area, Northeastern corner of the wilderness, south of Elsinore Peak 975 Comment
  UCR194207  Eriogonum gracile Scott D. White, Angelia Carey 2004-6-4 10468 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA393250  Eriogonum gracile var. gracile Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  UCR117618  Eriogonum gracile var. gracile Scott D. White 1997-5-25 5247 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  RSA766083  Eriogonum inflatum Joseph A. Ewan 1930-4-18 3087 Riverside Dry Morongo Creek below Morongo Valley. 518 Comment
  RSA65306  Eriogonum inflatum var. inflatum F. W. Peirson 1914-1 1734 Riverside Whitewater, N.W. Colorado Desert. Comment
  CAS-BOT-BC270600  Eriogonum molestum James L. Reveal; Caroline G. Reveal 1972-8-9 2865 Riverside Along California Highway 243, 1.6 miles northwest of Alandale Ranger Station about 7 miles north of Idyllwild, near Fuller Mill Creek, San Jacinto Mountains Comment
  UC1395200  Eriogonum nudum var. pauciflorum James L. Reveal, Caroline G. Reveal 1972-8-10 2870 Riverside 1.1 mi se, along California Highway 243 Alandale Ranger Station (4.3 mi nnw of Idyllwild; 8.8 mi n of the junction with Highway 74); San Jacinto Mountains Comment
  UC454350  Eriogonum nudum var. pauciflorum I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  JOTR30756  Eriogonum plumatella La Doux, Tasha, Jim Andre 2007-9-6 137 Riverside Joshua Tree National Park. Queen Valley, just E. of Geology Tour Rd. in July 2006 burn area. 1318 Comment
  CAS-BOT-BC258242  Eriogonum pusillum Annie M. Alexander; Louise Kellogg 1941-5-15 2189 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  SD95171  Eriogonum pusillum Anne Harrison 1962-4-17 32 Riverside south side of State Highway 74, near Toro Peak Comment
  UC578042  Eriogonum reniforme H. S. Yates 1937-6-28 6736 Riverside near Palm Springs; San Jacinto Quadrangle 121 Comment
  JEPS56317  Eriogonum saxatile H. M. Hall May 17 1901-Jun 1 1901 1842 Riverside Comment
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Sep 17 2011
  RSA772580  Eriogonum saxatile Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5051 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
  RSA0123362  Eriogonum thomasii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9042 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA788978  Eriogonum thomasii Aaron C. Sedgwick, David Fraker 2012-3-28 34 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC634598  Eriogonum thomasii Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  RSA718297  Eriogonum thomasii Michael Honer, L. Hulse 2004-4-2 1878 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  CAS-BOT-BC263590  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs Comment
  LA207037  Eriogonum umbellatum var. munzii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mountains, Marion Camp Comment
  RSA420619  Eriogonum wrightii var. membranaceum M. B. Dunkle 1934-11-3 4235 Riverside Ribbonwood. Santa Rosa Mountain. 1524 Comment
  UC111317  Eriophyllum ambiguum var. paleaceum S. B. Parish 1907-4-18 6088 Riverside w edge of Colorado Desert; , West Canyon 200 Comment
  CAS-BOT-BC297340  Eriophyllum confertiflorum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Between Beaumont and Riverside Comment
  CDA33879  Eriophyllum confertiflorum Mike Lahti 2010-5-5 PDR# 1358682 Riverside East side of Hemet. 0 Comment
  RSA249829  Eriophyllum confertiflorum R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38076 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1676 Comment
  CLARK-A1528-5321  Eriophyllum multicaule John C. Roos 1940-5-4 882 Riverside Reche Canyon Comment
  SBBG35238  Eriophyllum multicaule T. L. Secrest 1951-5-18 Riverside San Jacinto River, near Hemet Comment
  JOTR34404  Eriophyllum wallacei Andre, Jim 2012-4-16 20940 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  RSA396465  Eriophyllum wallacei Walter Wisura 1987-5-21 4158 Riverside 3.8-3.9 miles from Hwy 74 along forestry road, 5S13, S of Lake Hemet toward Thomas Mtn, San Jacinto Range Comment
  RSA49390  Eriophyllum wallacei P. A. Munz 1949-4-11 13023 Riverside Near Conejo Well, north base of Eagle Mts 915 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
  RSA695585  Eriophyllum wallacei Keith E. Hoffmaster 1937-3-16 747 Riverside Palm Springs. Comment
  RSA0046828  Eriophyllum wallacei Tamara Joy Hanna 1991-5-4 16 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  RSA708651  Erodium botrys Scott D. White 2005-3-29 10846 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. 585 Comment
  UCR84584  Erodium botrys Scott D. White, S. Ogg 1994-4-21 2009 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR213836  Erodium cicutarium Scott D. White, Justin M. Wood 2009-5-21 12850 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  UCSB54162  Erodium cicutarium McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  UC1922687  Erodium moschatum Scott D. White, Angelia Carey 2004-4-5 10037 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  RSA0021554  Erodium texanum Duncan S. Bell 2012-3-4 3138 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA678224  Erodium texanum Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1093 Riverside Mouth of West Wide Canyon, west side of Channel Run. 442 Comment
  RSA744237  Erodium texanum M. Wall 2009-4-5 504 Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  UC1286999  Erodium texanum C. L. Hitchcock 1966-3-20 24308 Riverside about 30 mi n Ogilby (along road to Blythe) Comment
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Mar 2 2013
  UC1523678  Eryngium aristulatum var. parishii Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60649 Riverside s. side Mesa de Colorado (Santa Rosa Plateau); , Mesa de Colorado 625 Comment
  RSA220981  Erysimum capitatum var. capitatum E. W. Lathrop 1966-5-8 6400 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SD212732  Erythranthe guttata T. B. Salvato, John F. Green 2004-5-27 602 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCD96510  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  CAS-BOT-BC403360  Eschscholzia californica A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19869 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  RSA433687  Eschscholzia californica H. Twining 1890-03 s.n. Riverside Riverside Comment
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Oct 27 2011
  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
  RSA495449  Eschscholzia californica subsp. californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2977 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  CAS-BOT-BC83136  Eschscholzia minutiflora Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2116 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  UC1595573  Eschscholzia minutiflora W. Wisura, J. Dolan, and M. Wall 1992-3-25 4656 Riverside 31 mi s prison on Wileys Well Rd. toward Hwy 78; Lowdesert Comment
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Dec 5 2014
  JOTR38680  Eschscholzia papastillii Hodges, Stephen R. 2017-2-7 696 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCD96486  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 253 Riverside California. Riverside County: Joshua Tree National Park. 857 Comment
  CAS-BOT-BC419624  Eschscholzia parishii Frank W. Peirson 1927-4-12 7167 Riverside Painted Canyon. At the Forks Comment
  CAS-BOT-BC419643  Eschscholzia parishii Arthur R. Kruckeberg 1939-4-11 136 Riverside Santa Rosa Mts. Comment
  UC1093128  Eschscholzia parishii Richard Snow 1952-4-13 7 Riverside Box Canyon Orocopia Mts. Comment
  UCR138571  Eschscholzia parishii Steve Boyd, Orlando Mistretta 1986-3-13 1452 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR216498  Eschscholzia parishii Jim Andre, T. La Doux 2009-3-10 11234 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UC195337  Escobaria vivipara var. alversonii S. B. Parish 1916-5-13 10861 Riverside Shaver's Well; Colorado Desert Comment
  RSA0012586  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside UCR campus, in gravel among trailers in ''surge area'' (UCR trailer park) on east side of campus 335 Comment
  UCD119342  Eucrypta chrysanthemifolia Steve Boyd 1986-3-1 1363 Riverside Gavilan Plateau, Gavilan Hills: On recent burn, 1/4 mile south of Harford Springs County Park. 640 Comment
  POM184547  Eucrypta chrysanthemifolia var. bipinnatifida C. L. Hitchcock 1932-4-7 12200 Riverside Corn Springs, Eastern Riverside. Comment
  JOTR32027  Eucrypta micrantha La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2257 Riverside Joshua Tree National Park. Pinto Basin, near Turkey Flats back country parking lot; open gravelly flats (Stop 4) 518 Comment
  UC489088  Euonymus occidentalis var. parishii C. V. Meyer 1928-7-24 514 Riverside San Jacinto Mts., Idyllwild Falls 1889 Comment
  SD211601  Euphorbia Louis C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains. 1/2 mile east of Ranger Peak. 1372 Comment
Read comments
Feb 17 2013
  UCR139628  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR239824  Euphorbia hirta O. F. Clarke 2007-6-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCD142573  Euphorbia micromera Geoffrey Levin 1976-10-17 1172 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  JEPS51905  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1302 Riverside Strawberry Valley; Mt. San Jacinto Comment
  UC869050  Euphorbia palmeri C. Epling and Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  RSA0047265  Euphorbia polycarpa J. Mark Porter, Lauren E. Machen 1997-2-15 11426 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SD119921  Euphorbia polycarpa Louis B. Ziegler 1976-9-20 555 Riverside Colorado Desert, north end around Desert Hot Springs, sandy washes & hillsides 380 Comment
  UCR172248  Euphorbia polycarpa 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
  UCR239868  Euphorbia serpens O. F. Clarke 2003-9-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanical Garden, along wheelchair trail NW of rose garden 351 Comment
  RSA524414  Euphorbia spathulata Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4106 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
  RSA600225  Euphorbia supina L. C. Wheeler 1960-5-12 7703 Riverside University of California at Riverside. Comment
  UCR5432  Eustoma exaltatum O. F. Clarke 1966-9-22 660922- 02 Riverside Santa Ana River bottom near Riverside Sewage Plant, Riverside Comment
  UCR277634  Fagonia laevis A. C. Sanders, Jim Malusa 2017-1-14 42659 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  RSA0120132  Festuca arundinacea Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR201510  Festuca arundinacea Scott D. White, Justin M. Wood 2008-6-17 12151 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR102821  Festuca microstachys A. C. Sanders 1997-3-26 20111 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  UCR92220  Festuca microstachys D. L. Banks, Steve Boyd 1995-5-9 0394 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR162272  Festuca myuros S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR174097  Festuca myuros A. C. Sanders 2006-5-19 32464 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
  UCR279391  Festuca octoflora A. C. Sanders, Jim Malusa 2017-3-24 42987 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  UCR88303  Festuca octoflora A. C. Sanders, K. C. Rose 1995-4-5 16385 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SEINET10516217  Festuca ovina David B. Dunn, Shogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3705 Riverside Pushawalla; in the wash Indio Hills, Colorado Desert. Comment
  RSA628477  Filago californica A. C. Sanders 1994-5-30 14613 Riverside Foothills NNE of Beaumont. 950 Comment
  RSA775599  Filago depressa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 993 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA559935  Filago gallica Steve Boyd 1992-4-15 6885 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Tenaja Trail (5W07) 0.5 mile N of junction with San Mateo Creek, W of Fisherman's Camp 549 Comment
  RSA613783  Filago gallica A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20661 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA115035  Forestiera pubescens E. K. Balls 1955-7-19 20974 Riverside Hwy, 74, 17 mi. se. of Mountain Center on road to Palm Springs. Comment
  RSA148133  Fouquieria splendens Marcus E. Jones 1927-4-16 s.n. Riverside Hidden Spring, near Shaver's Well Comment
  SEINET11979961  Fouquieria splendens Unknown 1936-1 12826 Riverside Foothills of San Jacinto Mts. S of Palm Springs Comment
  UCSC001447  Fragaria vesca Peter Kamb 1947-5-17 518 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  RSA221020  Fraxinus dipetala E. W. Lathrop 1966-3-23 6091 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA25130  Funastrum hirtellum C. L. Hitchcock 1940-3-31 5886 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA717623  Funastrum hirtellum Scott D. White, Andrea Warniment Edwards 2006-3-29 11276 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  JOTR32026  Funastrum utahense La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2256 Riverside Joshua Tree National Park. Pinto Basin, near Turkey Flats back country parking lot; open gravelly flats (Stop 4) 518 Comment
  UCR134644  Galium angustifolium Mitch Provance 1998-4-10 411 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  CLARK-A1528-7881  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  JEPS56069  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4239 Riverside near Maple Creek crossing of road running due e from Vista Grande Guard Station San Jacinto Mts. (open n slope) Comment
  POM15037  Galium angustifolium subsp. angustifolium Mary F. Spencer 1922-6-30 1663 Riverside Brook Camp, San Jacinto Mountains. Comment
  UCR750  Galium angustifolium subsp. angustifolium J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  SD229268  Galium angustifolium subsp. jacinticum Dick Schwenkmeyer 2011-8-25 655 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  RSA0014932  Galium aparine LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6038 -a Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  JOTR34281  Galium munzii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3296 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  RSA508020  Galium porrigens var. porrigens Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2288 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCD121905  Galium porrigens var. porrigens A. C. Sanders; P. MacKay, T. Thomas and O. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  SEINET13297620 Image available Galium porrigens var. tenue T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8348 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  POM4410  Galium stellatum I. M. Johnston 1917-4-4 1038 (9) Riverside Colorado Desert: Palm Canyon. 305 Comment
  CLARK-A1045-214  Galium stellatum subsp. eremicum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; rocky area at base of dry wash; Lost Horse Mtn. 15'Q Comment
  UC666515  Galium stellatum var. eremicum Annie M. Alexander and Louise Kellogg 1941-5-18 2200 Riverside n slope Colorado Desert, Eagle Mountains 1066 Comment
  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
  UCR177113  Garrya veatchii Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1106 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA790966  Geraea canescens Aaron C. Sedgwick, David Fraker 2012-4-24 4 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  RSA716388  Gilia angelensis Scott D. White, Angelia Carey 2004-4-5 9989 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR196893  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-2-19 34424 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  UCR232052  Gilia angelensis John F. Green 2008-4-15 0408- 15 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
  UCR275509  Gilia angelensis D. E. Bramlet 2012-4-9 4996 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  UC1563105  Gilia australis Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3151 Riverside just sw Vail Lake Area dam; Vail Lake Area 487 Comment
  UC1928524  Gilia australis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10501 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  JEPS69628  Gilia latifolia W. L. Jepson 1914-5-18 6027 Riverside n Indio (County Well); Colorado Desert, n of Indio, County Well 304 Comment
  UCR30084  Gilia latifolia George K. Helmkamp 1983-4-5 483- 41 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SEINET12278799  Gilia leptalea E. A. Purer 1935-1 6485 Riverside western edge of Colorado Desert Comment
  RSA0016279  Gilia ochroleuca subsp. exilis P. A. Munz 1922-6-27 5850 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  HSC87253  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2186 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  RSA776341  Gilia scopulorum Duncan S. Bell 2010-3-20 639 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  SEINET3208891  Gilia sinuata G. Goodwin 2012-6-14 3446 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  RSA799250  Gilia stellata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 754 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
  SD20331  Gilia stellata L. Haines, L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay. Comment
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Dec 17 2011
  SD225059  Gilia stellata G. K. Helmkamp 1998-4-4 3130 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center - Rice Rd). 474 Comment
  SEINET3005070  Gilia stellata G. Rink 2011-5-1 10508 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  SEINET4042367  Gilia tenuiflora O. M. Clark 1929-1 1687 Riverside South Cabazon, southern California. Comment
  SEINET7063417  Gilia tenuiflora A. G. Vestal 1947-3-29 s.n. Riverside About 6.2 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481169mE, 3727240mN. (WGS84/NAD83). 434 Comment
  UC1714327  Glyceria elata H. M. Hall Jul 1901 Riverside vicinity Deer Springs (Mistake Canyon); San Jacinto Mountains, Mistake Canyon 2590 Comment
  CAS-BOT-BC307403  Gnaphalium palustre John Thomas Howell 1930-5-10 4774 Riverside March Field Comment
  RSA198970  Gnaphalium palustre R. F. Thorne 1968-5-8 37578 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA544430  Gnaphalium palustre Steve Boyd, David Zippin, Tom Oberbauer 1991-6-14 9669 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  RSA629020  Gnaphalium stramineum Scott D. White 1998-6-28 6797 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  SEINET3004917  Gossypium hirsutum G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10335 Riverside Canal two miles north of Blythe. 70 Comment
  RSA67365  Guillenia lasiophylla F. W. Peirson 1922-4-9 2918 Riverside Andreas Canyon near Palm Springs, Coachella Valley. 671 Comment
  RSA776088  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 820 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  RSA556447  Gutierrezia californica Julie Greene 1993-4-30 1280 Riverside San Jacinto Wildlife Area. N of San Jacinto River drainage. 433 Comment
  LA203636  Gutierrezia lucida Carl Epling; 1937-11-26 sn Riverside White Tank, 29 Palms Comment
  JOTR36389  Gutierrezia sarothrae La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3342 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  CAS-BOT-BC211547  Helianthemum scoparium Ynez W. Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  RSA502492  Helianthus annuus subsp. lenticularis Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3733 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  UCR108730  Helianthus niveus Scott D. White 1998-4-15 6285 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  RSA653075  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  RSA707984  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR245798  Heliotropium curassavicum A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40960 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  UCR121173  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1879 Riverside Lake Skinner area, Tucalota Creek drainage, in the center of the Tucalota Hills. 5,500 ft. (~1 mi.) east of 'Old' Warren Road. 482 Comment
  RSA216766  Hemizonia kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Canyon S of Hemet Comment
  RSA500137  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3673 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA553902  Hemizonia kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside San Timoteo Canyon Rd., 0.8 mi E of jct with Redlands Blvd. Comment
  UCR140717  Hemizonia kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA740916  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-10 12446 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR88741  Hemizonia mohavensis Jeri Hirshberg 1995-9-13 s.n. Riverside San Jacinto Mtns., seeps and drainages at the edge of the road to Hungry Hollow from Hwy 243, c. 0.75 mi SSE of Poppet Flat Rd. jct w/ 243, c. 1 mi east of Poppet Flat 1220 Comment
  RSA191404  Hemizonia paniculata E. W. Lathrop 1967-9-26 6641 Riverside 6 miles NW of Murrieta. Comment
  RSA675732  Hemizonia paniculata Scott D. White 2001-6-20 8596 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd., ca. 1 1/2-2 mi west of I-215 Freeway. 442 Comment
  UCR175069  Hemizonia paniculata Teresa Nieto 2005-5-26 35 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UC68675  Hesperocallis undulata H. M. Hall Apr. 1905 5831 Riverside Colorado Desert, Mecca Mecca; Colorado Desert, Mecca -45 Comment
  UCR214701  Hesperocallis undulata A. C. Sanders 2010-3-23 37536 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CLARK-A1045-1310  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  RSA740239  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-7-8 12368 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA0074601  Heterotheca fastigiata Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5012 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
  RSA0075887  Heterotheca grandiflora 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. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCD133090  Heterotheca sessiliflora subsp. echioides Scott D. White; Angelina Carey 2004-9-16 10755 Riverside San Jacinto Mountain: along Poppet Creek NE of San Jacinto River. 561 Comment
  UCR23297  Heterotheca villosa var. scabra John C. Roos, Lucille Roos 1950-10-21 5011 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  SD63342  Heuchera hirsutissima Walter Bertsch 1957-6-29 955 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2660 Comment
  SD114911  Heuchera rubescens Fred T. Sproul 1977-8-14 190 Riverside Along road to Santa Rosa Peak. Near its turn toward the south to the summit Comment
  POM2930  Hibiscus denudatus I. M. Johnston 1917-4-4 s.n. Riverside mouth of Andreas Canyon 244 Comment
  RSA4875  Hibiscus denudatus Carl B. Wolf 1932-4-3 2991 Riverside Colorado Desert, 14 mi E of Mecca on Blythe road. 152 Comment
  SEINET156046  Hibiscus denudatus Norman C. Cooper 1944-4-8 1072 Riverside Andreas Canyon. 305 Comment
  UC68535  Hibiscus denudatus H. M. Hall Apr., 1905 5902 Riverside Chuckawalla Springs Colorado Desert, Chuckawalla Springs Comment
  UC68561  Hibiscus denudatus H. M. Hall 1905-4-17 5782 Riverside 10 mi. w. Coachella 121 Comment
  SEINET4145699 Image available Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley; E side of Arica Mountains, along Rice-Midland Rd., 2.2 mi. S of Rice 242 Comment
  RSA0087458  Hoffmannseggia glauca Sarah J. De Groot, Amy Rouillard 2015-9-15 7570 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  RSA405281  Hoffmannseggia glauca Geo Cantwell 1935-4-8 s.n Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  CAS-BOT-BC206102  Hoffmannseggia microphylla D. A. Johansen; J. A. Ewan 1932-4-12 7105 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  CAS-BOT-BC207555  Hoffmannseggia microphylla Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  CAS-BOT-BC207565  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well, Colo Desert Comment
  LA45784  Hoffmannseggia microphylla Carl Epling; William Robison, William Stewart 1936-3-22 sn Riverside Painted Canyon, near Mecca Comment
  SD186088  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Hill 2139 at west end of the Mesa De Colorado, private land on the west side of Vioa Volcano adjacent to the Santa Rosa Plateau Ecol. Reserve. 640 Comment
  UCR273492  Holocarpha virgata subsp. elongata A. C. Sanders, Glen Morrison 2016-8-4 42612 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Redonda Mesa, near radio/cellphone tower & prominent abandoned microwave tower 855 Comment
  RSA0080440  Hordeum intercedens D. E. Bramlet 2005-3-2 3657 Riverside west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  SEINET954330 Image available Hordeum intercedens Mitch Provance 2005-1 6554 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 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. 396 Comment
  UCR267167  Hordeum intercedens D. E. Bramlet 2001-5-8 3137 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of Davis Rd. at the San Jacinto River 434 Comment
  UCR136257  Hordeum marinum A. C. Sanders 2004-4-20 27564 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
  POM352537  Hordeum murinum subsp. glaucum N. C. Cooper 1944-5-6 1172 Riverside Banning. 701 Comment
  UCR182859  Hordeum murinum subsp. leporinum Mitch Provance 2001-4-21 4635 Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  UCR146255  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  RSA498671  Horkelia clevelandii F. W. Peirson 1924-7-28 5006 Riverside Pine Flats Camp 1799 Comment
  UC12391  Horkelia clevelandii H. M. Hall 1901-6-1 2291 Riverside Meadows in the vicinity of Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  POM230988  Horsfordia alata Marjorie D. Clary 1932-3-15 173 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains. 152 Comment
  HSC86248  Hosackia crassifolia Jane Hildreth 1981-6-4 25 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  CAS-BOT-BC312583  Hulsea vestita subsp. callicarpha Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  POM360711  Hulsea vestita subsp. callicarpha N. C. Cooper 1944-7-16 1556 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  UCR34975  Hulsea vestita subsp. callicarpha L. B. Ziegler 1967-5-31 142 Riverside San Jacinto Mtns, Hemet Valley 1402 Comment
  OBI16031  Hulsea vestita var. callicarpha H. E. McMinn 1925-7-2 1509 Riverside Tahquitz Trail Comment
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Jun 21 2012
  POM6809  Hymenoclea salsola P. A. Munz, L. T. Street, Williams 1919-3-25 2322 Riverside Palm Springs. Comment
  RSA48419  Hymenoclea salsola E. K. Balls 1949-4-2 12904 Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  UCR3467  Hymenoclea salsola Sally Bell 1964-3-24 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, along Washington [Street], c. 3.5 mi. north of the 'Indio Freeway' (= Hwy I-10) 76 Comment
  JOTR30090  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  POM13107  Hymenopappus filifolius var. lugens P. A. Munz, I. M. Johnston 1922-5-21 5504 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  JOTR31157  Hymenoxys cooperi La Doux, Tasha 2009-6-3 1865 Riverside Joshua Tree National Park. (Stop 4): Little San Bernardino Mountains, Covington Flats Area, gravelly slopes below peak 1511 Comment
  RSA458203  Hypericum androsaemum E. C. Jaeger 1921-7-1 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  JEPS63229  Hyptis emoryi Marjorie Clary 1934-3-3 Riverside w Indio Mtn. (18 mi w of Indio, Carrizo Canyon); w of Indio Mtn., Carrizo Canyon 304 Comment
  RSA420176  Hyptis emoryi A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  UCR245920  Hyptis emoryi Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3945 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCSB44874  Hyptis emoryi Collins, Elizabeth 1977-3-29 Riverside East of N. Palm Springs, 2.5 miles up Thousand Palms Cyn. Rd. from Dillion Rd 91 Comment
  RSA1911  Isocoma acradenia var. eremophila B. D. Stark 1930-4-1 1495 Riverside San Gorgonio Pass. 457 Comment
  RSA342043  Isocoma acradenia var. eremophila R. F. Thorne 1980-4-16 54104 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR264612  Isocoma acradenia var. eremophila Mitch Provance 2012-11-9 1112- 1 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  RSA557370  Isocoma menziesii Julie Greene, S. White 1993-7-5 1401 a Riverside San Jacinto Wildlife Area. Lower, flat area, W of dirt road. 441 Comment
  CLARK-A1528-2394  Isomeris arborea var. angustata John C. Roos 1967-3-25 Riverside Whitewater Canyon 457 Comment
  UCR33658  Isomeris arborea var. arborea Sears 1978-3-18 950 Riverside Sonoran (Colorado) Desert, foothills of the Orocopia Mtns, 10 mi NE of Durmid on Railroad road 305 Comment
  RSA84404  Jepsonia parryi F. W. Peirson 1922-12-27 3337 Riverside Between forks of Andreas Canyon, near Palm Springs 609 Comment
  CAS-BOT-BC414251  Juglans hindsii R. E. Riefner, Jr. 2014-10-1 14 -363 Riverside City of Lake Elsinore, S of Lincoln St., W of Hwy. 74 at Flannery St. 402 Comment
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  UCR214306  Juncus bufonius A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38377 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
  UCR59675  Juncus bufonius Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3541 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  SD137986  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR174345  Juncus bufonius var. congestus A. C. Sanders 2006-5-19 32400 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
  UCR242660  Juncus longistylis A. C. Sanders 2013-7-6 40849 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  UC1532810  Juncus luciensis Robert F. Thorne and Earl Lathrop 1975-5-20 45498 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  UC842783  Juncus macrandrus Crawford and Johnston 1917-6-9 1232 Riverside near Corona; Santa Ana River Comment
  RSA740716  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-7-8 12381 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR151037  Juncus macrophyllus Scott D. White 1998-7-31 6952 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  JOTR35513  Juncus mexicanus La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3200 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  RSA594506  Juncus mexicanus Darin L. Banks, Rashmi Pant 1996-5-13 1017 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  RSA368082  Juncus oxymeris Robert L. Rutherford 1944-7-16 1612 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UCR193376  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  RSA741267  Juncus rugulosus Scott D. White, Justin M. Wood 2008-7-10 12452 Riverside Fobes Spring 1500 Comment
  UCR24955  Juncus rugulosus A. C. Sanders 1980-7-22 1711 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  SEINET3881129  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2987 Riverside Banning-Idyllwild Road (Hwy 243) at Black Mtn turnoff (Forest Rd 4s01), San Jacinto Mts.; 0 Comment
  JOTR32146  Juniperus californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2302 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  NY21029  Juniperus californica F. M. Reed 1928-4-18 5768 Riverside Nigger [?spelling} Valley, Upper San Luis Rey River, in Vail Ranch 914.4 Comment
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May 1 2011
  UC813453  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1.5 mi ne of Cottonwood Spring (along 29 Palms Road); Joshua Tree National Monument Comment
  POM118330  Justicia californica Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  RSA402304  Justicia californica Christopher Davidson 1973-4-1 1846 Riverside Palm Springs. 488 Comment
  SEINET2163666 Image available Justicia californica G. L. Webster, R. Hildreth 1966-12-10 7461 Riverside Joshua Tree National Monument; upper part of Cottonwood Canyon. 790 Comment
  UCR120689  Justicia californica Helen Kennedy, T. B. Salvato 2002-2-2 5453 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  SEINET8071637 Image available Kallstroemia californica Andrew C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR146287  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  CAS-BOT-BC236706  Keckiella antirrhinoides subsp. antirrhinoides T. Craig 1927-4-23 206 Riverside Glen Ivy Comment
  SBBG66454  Keckiella antirrhinoides subsp. microphylla L. G. Yates 1894-11-22 Riverside Riverside County [no specific locality] Comment
  UCR138896  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1997-4-5 1658 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  LA209266  Keckiella cordifolia W. E. Pequegnat; 1937-8-11 Riverside Santa Ana Mountains, above Bear Spring on Santiago Peak Comment
  RSA160543  Keckiella rothrockii subsp. jacintensis J. D. Olmsted 1959-7-1 704 Riverside 1/4 mi. N of trunoff to Strawberry Cienega along trail from saddle to San Jacinto Park.; 4 mi ENE of Idyllwild; San Jacinto Mtn. Range. 2744 Comment
  UCSB12232  Keckiella ternata Breedlove, Dennis 1961-8-5 Riverside road cut on Riverside highway 1; 0.2 mi SW of Fuller Mill Creek; San Jacinto Mtns 1645 Comment
  UCR125203  Kochia scoparia Mitch Provance 1998-5-27 546 Riverside City of Riverside, Hillside area, along railroad tracks on the NW corner of Dewey St. and Streeter Ave. 238 Comment
  POM10224  Koeleria macrantha F. M. Reed 1907-5-5 1338 Riverside Fairmont Park Comment
  HSC47314  Krameria erecta R. W. Spjut, C. E. Edson 1978-5-6 5029 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  JOTR30064  Krameria erecta La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1694 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour rd., N of Malapai Hill 1286 Comment
  RSA795938  Krameria grayi Duncan S. Bell 2009-4-18 258 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  UCR120968  Krameria grayi Jennie Phui 1998-6-3 105 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  RSA786956  Lactuca serriola R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49541 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  UCR41608  Langloisia setosissima A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6112 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA690983  Langloisia setosissima subsp. setosissima Scott D. White, Michael Honer 2003-5-14 9305 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SD225025  Laportea ovalifolia A. C. Sanders 1995-11-30 17926 Riverside Riverside: week in the UCR Botanic Garden. 365 Comment
  RSA0128199  Larrea divaricata G. Rink 2013-3-17 11862 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  CLARK-A1528-4432  Larrea tridentata John C. Roos 1942-5-1 Riverside Comment
  RSA795738  Larrea tridentata Jim Andre 2012-3-18 21291 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  SEINET3132201  Larrea tridentata Unknown 1906-5-1 229 -6724 Riverside Colorado Desert at Palm Springs, southern California Comment
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Jul 29 2013
  UCR214417  Larrea tridentata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37501 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR262463  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41499 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
  VVC520  Larrea tridentata P. J. MacKay 1975-4-26 s.n. Riverside Peninsular Range, Palm to Pines Hwy, Hwy 74 970 Comment
  CAS-BOT-BC338920  Lasthenia californica Philip A. Munz 1932-3-24 12015 Riverside Corona 365 Comment
  SEINET2053249 Image available Lasthenia californica Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  CLARK-A1045-288  Lasthenia coronaria George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along San Jacinto Ridge Road at Oak Spring turnoff; chaparral; ; Lake Fulmor 7.5'Q 914 Comment
  RSA145922  Lasthenia coronaria William McKinley Klein, J. E. Klein 1958-2-9 20 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  CAS-BOT-BC328106  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 2.6 km W of Lakeview and 15 m to 100 m E of the San Jacinto River and just W of an existing dirt access road. The site is approx. 440 m S of the MWD easement road. 433 Comment
  RSA554450  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-29 2246 Riverside San Jacinto Valley, ca. 530m W of Gilman Springs Rd (State Hwy 79). & ca. 760m S of Bold Style Avenue. Just NW of the Quail Ranch golf course. 435 Comment
  UCR182430  Lasthenia glabrata subsp. coulteri Mitch Provance 2005-5-17 6555 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
  POM356985  Lasthenia gracilis R. F. Thorne 1973-5-23 43868 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA160876  Lasthenia gracilis P. C. Everett, Nick Lolonis 1962-4-13 24450 Riverside Temescal Canyon, intersection Hwy 71 and road to Lake Matthews Comment
  RSA683864  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-4 8952 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA0027939  Lathyrus John F. Emmel 1992-6-10 1224 Riverside San Jacinto Mts: Fobes Trail. 1707 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
  RSA506435  Lathyrus vestitus subsp. vestitus Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  UCR116578  Lathyrus vestitus var. vestitus Scott D. White 1993-3-15 1196 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  SD173201  Layia glandulosa Juergen Schrenk 2005-4-2 16 Riverside Northern Anza Borrego Desert, White Wash Comment
  CAS-BOT-BC379675  Layia platyglossa Cecil Hart 1922-5-21 17 Riverside San Jacinto Mt. Comment
  CLARK-A1528-1981  Layia platyglossa John C. Roos 1940-5-20 905 Riverside Reche Canyon Comment
  SEINET3479044  Layia platyglossa A. G. Vestal 1962-3-29 Riverside Temecula, Temecula, 0.3 miles south Comment
  POM361702  Layia platyglossa subsp. campestris P. A. Munz, I. M. Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
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Apr 3 2011
  UCR201455  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11985 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  CAS-BOT-BC274339  Leersia oryzoides A. C. Sanders; O. F. Clarke; C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake Comment
  SD124944  Lemna minuta Robert F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61204 Riverside Santa Rosa Plateau, Nature Conservancy Reserve, riparian woodland along Cole Canyon. 534 Comment
  SD114969  Lepechinia cardiophylla M. Kottman 1982-5-17 Riverside Junction of Indian Truck Trail and North Main Divide; Santa Ana Mountains. Comment
  UCR113550  Lepidium densiflorum Mitch Provance, Juanita Provance, Seychelle Provance 2000-9-3 2222 B Riverside Riverside, Canyon Crest, apartments on the NE ocrner of Chicago and Central. 280 Comment
  UCR121799  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24055 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  RSA429905  Lepidium fremontii M. B. Dunkle 1934-3-31 4439 Riverside Pinto Basin, Colorado Desert 915 Comment
  CAS-BOT-BC89585  Lepidium lasiocarpum Munz; Street; Williams 1919-3-25 2315 Riverside Palm Canyon, Palm Springs. 243 Comment
  CAS-BOT-BC89586  Lepidium lasiocarpum Philip A. Munz 1940-3-23 15687 Riverside Mohave Desert. North part of Pinto Basin, northern Riverside county. 609 Comment
  POM14900  Lepidium lasiocarpum Mary F. Spencer 1920-3-14 1758 Riverside Mecca, Colorado Desert. -49 Comment
  RSA0107849  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2009-3-30 167 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA736256  Lepidium lasiocarpum Scott D. White, Justin Wood 2008-4-3 11791 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR239906  Lepidium lasiocarpum O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UCD115683  Lepidium lasiocarpum subsp. lasiocarpum G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2714 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  CDA24929  Lepidium lasiocarpum var. georginum G. D. Barbe, T. C. Fuller 1973-2-28 1071 Riverside 4.7 miles south of I-10 on Wiley s Well Road, west of Blythe. 0 Comment
  UC809724  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1949-4-13 13061 Riverside above Cottonwood Springs (w end of Eagle Mts.); Colorado Desert, Eagle Mts. 1143 Comment
  SEINET10449087  Lepidium lasiocarpum var. lasiocarpum Noel H. Holmgren 1973-3-21 Holmgren 6435 Riverside Big maria mountains. 12 Mi. N. Of downtown blythe. T4s, r22e, sec. 35. Locally common in sandy wash. 290 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
  UCR267166  Lepidium latipes D. E. Bramlet 2001-5-8 3136 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of Davis Rd. and south of headquarters 436 Comment
  RSA736319  Lepidium nitidum Scott D. White, Justin Wood 2008-3-25 11773 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  POM48736  Lepidium virginicum var. pubescens P. A. Munz, I. M. Johnston 1924-7-29 8819 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  RSA751098  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2009-5-21 12853 Riverside Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  JOTR29437  Lepidospartum squamatum La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1371 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  RSA777278  Lepidospartum squamatum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4554 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA652882  Leptochloa fusca subsp. uninervia John Wallace 1991-5-8 18 Riverside Colorado River; Approximately 3 miles south of Lost Lake Resort. Comment
  SDSU13827  Leptochloa fusca subsp. uninervia W. Miller, C. Mosse 1972-8-9 Riverside North bank of beaver dam, west of large boulder. Comment
  CLARK-A1528-71  Leptochloa uninervia Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR119860  Leptodactylon pungens Heidi West 2000-7-17 s.n. Riverside San Jacinto Mtns., 0.9 mi. NE of Cornell Peak and 1.0 mi. NNW of Divide Peak 2622 Comment
  RSA67071  Leptosiphon ciliatus Verne Grant, Alva Grant 1951-7-22 16106 Riverside Along road to Dark Canyon campsite, 0.25mi from main hwy, north of Idyllwild. 1707 Comment
  SD247473  Leptosiphon floribundus Tracy Tennant, M. Provance 1998-6-16 MOR 409 Riverside San Bernardino Mountains Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  SD133039  Leptosiphon floribundus subsp. glaber Scott White 1991-5-13 91 88 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR274211  Leptosiphon floribundus subsp. hallii Duncan S. Bell 2014-11-14 7704 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
  POM13844  Leptosiphon lemmonii P. A. Munz 1922-4-28 5033 Riverside Temescal Canyon. Comment
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Apr 3 2011
  POM46975  Leptosiphon lemmonii Mary F. Spencer 1919-6-21 1208 Riverside In open woods. 1616 Comment
  RSA262081  Leptosiphon liniflorus E. W. Lathrop 1968-5-22 6945 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA180354  Leptosiphon pygmaeus subsp. pygmaeus E. W. Lathrop 1965-5-9 5738 Riverside 6 miles W of Murrieta. Comment
  UC310390  Lesquerella tenella Edmund C. Jaeger 1926-3-24 Riverside Pinto Valley; eastern Riverside Co. Comment
  SD146007  Lessingia glandulifera A. C. Sanders, S. D. Boyd and Mitch Provance 1999-9-14 23072 Riverside San Bernardino Valley; Colton Dunes, dune remnant on Slover Ave. between Pepper Ave. and the tank farm, ca. 1.0 mile due west of Slover Mt. 320 Comment
  POM253439  Lessingia glandulifera var. glandulifera Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  UC1287416  Lessingia glandulifera var. glandulifera Willard Spence 1962-6-24 682 Riverside 7.8 mi e of Temecula and route 395; Radec Comment
  UCR138592  Lessingia glandulifera var. glandulifera D. L. Banks 1996-11-7 1218 A Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  RSA595320  Leymus condensatus D. L. Banks, Victor Steinmann 1996-4-20 883 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  RSA703626  Leymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  IRVC17940  Lilaea scilloides Karlin G. Marsh, Gordon A. Marsh 1980-5-18 s.n. Riverside Santa Ana Mountains, Santa Roa Plateau, pool #1. Comment
  RSA515325  Lilaea scilloides Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro, and NW of Mesa de la Punta. 610 Comment
  SEINET3887043  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Tenaja Road and road to ranch head-quarters.; 0 610 Comment
  RSA720443  Limosella acaulis Naomi S. Fraga, LeRoy Gross, Bill Hogshead 2006-6-12 1706 Riverside Along FS road west and paralleling Morris Ranch Road. Ca. 0.2 miles southwest of the FS roads junction with Morris Ranch Road. North east of Garner Valley. 1616 Comment
  RSA772416  Linanthus bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4849 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  HSC17001  Linanthus dianthiflorus C. L. Hitchcock 1966-3-16 24184 Riverside About 5 mi. NE of Aguanga Comment
  JEPS29313  Linanthus dianthiflorus Rimo Bacigalupi, and L. Heckard 1962-3-26 8409 Riverside 1.5 mi nw Elsinore (just ne of State Highway 71) 365 Comment
  UC23484  Linanthus dianthiflorus A. J. McClatchie 1892-4-26 35 Riverside near Elsinore Comment
  UCR103736  Linanthus dianthiflorus A. C. Sanders, G. Helmkamp 1997-3-15 19984 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  POM279171  Linanthus dianthiflorus subsp. dianthiflorus Lyman Benson 1932-3-26 3181 Riverside Summit Temecula Grade. Comment
  RSA407739  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-5-1 1801 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. 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
  UCR101468  Linanthus liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  RSA599415  Linanthus pungens R. E. Riefner, C. Jones 1996-8-28 96 -160 Riverside San Jacinto Mountain, W summit of Devil's Slide Trail Comment
  UCR6480  Linaria canadensis Helen Leach 1967-3-2 C670302- 01 Riverside Pedley 229 Comment
  RSA400310  Linaria canadensis var. texana Dorothy R. Wolf 1932-3-20 3 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UCR241834  Linaria canadensis var. texana A. C. Sanders, Timothy W. Chumley 2013-4-2 40728 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  JEPS8680  Lithophragma affine Rimo Bacigalupi with Gene Newcomb 1954-4-25 4402 Riverside about 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  RSA659606  Lithophragma affine J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  UCR116857  Lobularia maritima A. C. Sanders, Steven R. Hill 2001-5-4 24136 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  CHSC8345  Loeseliastrum matthewsii Edward L. Smith 1958-3-22 398 Riverside Located at sand dunes 3 mi. s Rice, Little Santa Maria Mts. 335 Comment
  UCR241425  Loeseliastrum schottii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 40 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 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
  JOTR29366  Logfia depressa La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1443 Riverside Joshua Tree National Park. Little San Bernardino Mountains; south end of Long Canyon, near Park boundary 547 Comment
  UCR2529  Lolium temulentum F. M. Reed 1904-6-5 168 Riverside Riverside, outlet to dam in Fairmont Park Comment
  UC1608297  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6740 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr.; Santa Ana Mts., San Mateo Cyn Wilderness Area, N-fork Bear C 670 Comment
  UCR120924  Lonicera interrupta A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24924 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  HSC85284  Lonicera subspicata var. denudata Steve Boyd 1986-5-7 1831 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  SFV20158  Lonicera subspicata var. denudata J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .5 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  RSA645617  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA406722  Lotus argophyllus var. argophyllus Anstruther Davidson 1893-4-12 s.n Riverside Palm Springs. Comment
  JEPS55400  Lotus argyraeus var. argyraeus W. L. Jepson 1901-5-25 1440 Riverside Coyote Canyon near El Toro (Journey from Riverside to Santa Rosa Peak and Palomar); Coyote Canyon Comment
  POM122398  Lotus crassifolius Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA406175  Lotus heermannii N. C. Cooper 1944-7-15 1545 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA614598  Lotus heermannii A. C. Sanders, Steve Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  RSA798593  Lotus heermannii Robert F. Thorne, E. W. Lathrop 1977-5-18 49753 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR110971  Lotus nevadensis var. nevadensis George K. Helmkamp 1998-6-27 4130 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UC15665  Lotus oblongifolius var. oblongifolius H. M. Hall Jul 1901 2573 Riverside vicinity Deer Springs; San Jacinto Mountains 2590 Comment
  UCR193882  Lotus purshianus A. C. Sanders 2008-7-25 35895 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  UCR164935  Lotus scoparius subsp. brevialatus T. B. Salvato, John F. Green 2004-5-27 622 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
  RSA341987  Lotus scoparius var. brevialatus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54078 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA524452  Lotus scoparius var. scoparius Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4088 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
  CDA27331  Lotus strigosus T. C. Fuller 1963-4-23 10274 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA406329  Lotus strigosus N. C. Cooper 1944-6-17 1446 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA571312  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8261 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
  RSA778230  Lotus strigosus Duncan S. Bell 2009-3-8 35 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UC1563070  Lotus strigosus Steve Boyd and Orlando Mistretta 1986-3-13 1434 Riverside ne of Desert Center (jct of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges); Palen Mountains 243 Comment
  UC15699  Lotus strigosus H. M. Hall Jun 1901 2059 Riverside vicinity Chalk Hill; San Jacinto Mountains 1584 Comment
  UCR103169  Lotus strigosus Scott D. White, Julie Greene 1997-3-12 4780 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR108869  Lotus strigosus Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  POM12932  Lotus strigosus var. hirtellus P. A. Munz 1922-6-27 5842 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  POM259731  Lotus tomentellus E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  UCR29818  Lotus tomentellus George K. Helmkamp 1983-3-24 383- 18 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  CAS-BOT-BC428033  Lupinus L. Nye; G. Gust 2005-3-11 71 Riverside Marietta [Murrieta]. BM 2228 ca. 5 miles W of Murrieta. 471 Comment
  UC724212  Lupinus Aven and Ruth Nelson 1939-3-28 3302 Riverside on hiway 111 s Mecca (enar Salton Sea); near Salton Sea Comment
  UCR177641  Lupinus agardhianus S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UCR151390  Lupinus albifrons var. albifrons Scott D. White 2000-5-3 7761 Riverside Peninsular Ranges; Palomar Mountains region, Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly south of 'Red Hawk' subdivision 396 Comment
  JOTR35479  Lupinus andersonii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3167 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  SEINET10488451  Lupinus andersonii David B. Dunn 1946-8-17 Dunn 2704 Riverside Trail to taquity from taquity village campground. In dry soil under pines among bracken ferns. 2545 Comment
  POM349975  Lupinus arizonicus George Willet 1935-4-10 s.n. Riverside Hidden Springs. Comment
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Aug 28 2016
  RSA778226  Lupinus arizonicus Duncan S. Bell 2009-3-7 31 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
  RSA782073  Lupinus arizonicus Duncan S. Bell 2009-3-9 110 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SEINET269547  Lupinus arizonicus John Wear 1995-3-22 Riverside Colorado Desert: Chuckwalla Bench upper Salt Creek wash west of Eagle Mountain (Kaiser) Railroad. 488 Comment
  SEINET6180827  Lupinus arizonicus LeRoy Gross, Leland Lubinsky; Victor Steinmann; Linda Worlow 2005-2-17 1407 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground.; 0 480 Comment
  UCR267894  Lupinus arizonicus Jim Andre 2013-3-4 23857 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA614536  Lupinus bicolor A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20687 Riverside N side of the range, Twin Pines Creek below the confluence with Brown Creek. below the confluence with Brown Creek. 854 Comment
  POM350067  Lupinus bicolor subsp. microphyllus M. B. Dunkle 1932-3-25 2876 Riverside Cabazon, Colorado Desert. 457 Comment
  UCR124655  Lupinus bicolor subsp. microphyllus B. C. Templeton, I. W. Clokey 1930-4-9 1055 Riverside Moreno Pass 610 Comment
  RSA87084  Lupinus brevior F. W. Peirson 1922-4-9 2894 Riverside near Palm Canyon stream about 0.5 mile below mouth of Canyon, Palm Springs region Comment
  RSA783241  Lupinus concinnus J. D. Olmsted 1962-6-3 3484 Riverside S slope along road on north side of Hemet Lake 1280 Comment
  UCR103998  Lupinus concinnus George K. Helmkamp 1998-4-3 3062 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR179204  Lupinus concinnus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 386 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  RSA658919  Lupinus concinnus subsp. optatus Bob Rogers 1984-4-28 22 Riverside North-facing slope adjacent to and on the South side of Hwy 74, 3.6 miles from Strawberry Creek going towards Mountain Center. 1220 Comment
  CAS-BOT-BC216690  Lupinus excubitus subsp. hallii Ynez Whilton Winblad 1937-4-3 s.n. Riverside Between Beaumont and Riverside Comment
  JEPS64932  Lupinus formosus Carl V. Meyer 1929-6-18 773 Riverside Upper Hemet Valley; San Jacinto Mts., Upper Hemet Valley Comment
  POM312162  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA78197  Lupinus formosus Philip A. Munz 1953-5-31 18519 Riverside Joshua Tree National Monument. 1357 Comment
  SDSU4976  Lupinus formosus Garrison 1962-7-29 Riverside San Jacinto Mountains. 2 miles beyond Black Mountian campground. 2286 Comment
  UCR17534  Lupinus formosus var. hyacinthinus Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  SEINET7123947 Image available Lupinus hirsutissimus G. Gust, L. Nye 2005-1 542 Riverside Hwy 74 ca. 2 mi W of Lake Elsinore; Lake Elsinore city limits 691 Comment
  POM11285  Lupinus hyacinthinus Philip A. Munz 1922-7-6 5978 Riverside Tahquitz Valley, San Jacinto Mts. 2226 Comment
  SEINET238551  Lupinus hyacinthinus George K. Helmkamp 1998-6-27 4124 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  SEINET10903865  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2739 Riverside San jacinto mts., Peak. S slope 200 ft from top. Comment
  SD136844  Lupinus latifolius var. parishii Steve Boyd 1992-4-15 6851 Riverside Santa Ana Mountains, San Mateo Canyon wilderness Area, Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  RSA714379  Lupinus microcarpus John Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns.: Santa Rosa Plateau, hills on the south side of Teaja Rd., between Squaw Mtn. and De Luz Creek. 655 Comment
  UCR125289  Lupinus microcarpus A. C. Sanders 2002-11-21 25642 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA703405  Lupinus pallidus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1457 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  JOTR32442  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2280 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
  UCR137689  Lupinus sparsiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1486 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR226608  Lupinus sparsiflorus Jim Andre 2011-2-18 15819 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR282304  Lupinus sparsiflorus Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-29 873 Riverside San Bernardino Mountains, Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UCR4139  Lupinus sparsiflorus Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  RSA272180  Lupinus sparsiflorus subsp. sparsiflorus C. W. Tilforth 1978-4-30 1568 Riverside Low rounded hills east of Norco. Comment
  RSA414275  Lupinus sparsiflorus subsp. sparsiflorus Ora M. Clark 1929-3-16 1715 Riverside NW Whitewater Comment
  RSA617301  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1934-3-18 649 A Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  CSUSB1453  Lupinus succulentus Paul D. Wood 1970-4-19 Riverside Riverside, on a hillside at intersection of Indian Hill Road and Ladera Lane. 274 Comment
  CLARK-A1528-2851  Lupinus truncatus John C. Roos 1947-3-15 3326 Riverside Valle Vista Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  POM14117  Luzula comosa Phillip A. Munz 1922-7-6 6000 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  CHSC106631  Luzula comosa var. laxa P. F. Zika; Nick Otting 2010-8-3 25245 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  CAS-BOT-BC231412  Lycium andersonii J. C. Roos 1966-2-12 s.n. Riverside 2 miles east of Desert Center Comment
  JOTR34339  Lycium andersonii Andre, Jim 2012-4-11 20682 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UC111152  Lycium andersonii F. M. Reed 1907-2-12 1203 Riverside Arroyo Tequesquite Comment
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Jul 30 2006
  CHSC64187  Lycium brevipes Chris Dietrich; M. Merello, H. Schmidt 1994-4-13 29 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. 40 Comment
  JOTR36409  Lycium cooperi La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3358 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  JOTR32972  Lycium fremontii La Doux, Tasha, A. Miller 2008-10-8 2855 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  JOTR35221  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  CLARK-A1656-853  Lythrum californicum Jon Mark Stewart 1983-10-31 Riverside San Jacinto Mountains 548 Comment
  RSA678927  Lythrum hyssopifolia Scott D. White, Michael Honer 2003-6-3 9470 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC1949954  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55215 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  UCR80830  Machaeranthera cognata John Wear, N. Moorhatch 1993-6-11 s.n. Riverside Sonoran (Colorado) Desert, Mecca Hills 61 Comment
  SD236216  Madia gracilis A. C. Sanders, Tim Thomas 2008-6-20 35557 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek (Idyllwild 7.5'Q) 1550 Comment
  UC1595643  Madia gracilis Steve Boyd and Orlando Mistretta 1991-5-9 6186 Riverside lower flank of range along Bedford Truck Trail on ridge between Bedford Cyn. and McBribe Cyn.; Santa Ana Mountains 548 Comment
  CSUSB1448  Malacothamnus fasciculatus var. laxiflorus Dorothy Detrich 1966-5-16 Riverside Riverbottom at base of Mount Rubidoux. Comment
  UCR19711  Malacothrix clevelandii John C. Roos, L. Roos 1954-5-15 6119 Riverside summit of Reche Canyon 732 Comment
  OBI8209  Malacothrix glabrata David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12070 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  POM362318  Malacothrix glabrata W. Hutchinson 1925-04 s.n. Riverside Palm Springs. Comment
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  POM6609  Malacothrix glabrata P. A. Munz, L. T. Street, Williams 1919-3-28 2370 Riverside San Gorgonio Pass, near Banning 701 Comment
  SD28020  Malacothrix glabrata Carl B. Wolf 1932-4-27 3028 Riverside Colorado Desert, 3/4 mile west of Utopia on Mecca-Blyth Road 149 Comment
  UCD134443  Malacothrix saxatilis var. tenuifolia K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  SD232712  Malva parviflora Scott White 1994-6-23 2097 Riverside San Gertrudis Creek, ca. 1 mi E of Skunk Hollow. Batchelor Mountain Quad; 395 Comment
  RSA591812  Marah macrocarpa J. C. Roos 1966-4-23 s.n. Riverside Santa Ana Mtns. S of Corona Comment
  UCR112523  Marah macrocarpa Mitch Provance 1998-2-13 12 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
  UCR72229  Marina parryi Theo Glenn 1991-5-28 91- 111 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  UCR155308  Marrubium vulgare A. C. Sanders 2005-5-4 29855 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA532575  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside San Jacinto Wildlife Area: Approx. 670 m. east of Davis Road and some 60 m. north of the San Jacinto River levee. in the old Riverbed beside the channelized area of the San Jacinto River. 475 Comment
  RSA753475  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  RSA716815  Matricaria globifera A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course. 439 Comment
  POM78161  Medicago minima F. M. Reed 1922-5-18 4758 Riverside Mouth of Snow Canyon 366 Comment
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Jul 24 2010
  RSA180237  Medicago polymorpha E. W. Lathrop 1965-4-18 5653 Riverside 10 miles west of Murrieta. Comment
  RSA512168  Melia azedarach Ed LaRue 1989-5-4 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; At McViker Canyon. 488 Comment
  RSA97127  Melica frutescens H. K. Buechner 1955-5-30 C- 86 Riverside 4 miles south of Palm Desert, north base of Santa Rosa Mountains Comment
  RSA753930  Melica imperfecta W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 28 Riverside Idyllwild, Garner Valley. Comment
  UCR194826  Melica imperfecta Scott D. White 2006-4-27 11291 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  SEINET10559686  Melica imperfecta Frank W. Gould 1943-4-17 Gould 2132 Riverside In small clumps on open rocky slopes; 4 miles east of Elsinore Comment
  CLARK-A1528-2861  Melilotus albus John C. Roos 1965-7-3 Riverside Riverside Comment
  SEINET2063363  Melilotus indicus Ed LaRue 1989-4-21 Riverside Moreno Valley, Univ. of CA agricultural experimental farms, ca. 1/2 mi S. of Alessandro Blvd. near corner of Cactus Ave. & Nason St. Comment
  RSA740787  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR35320  Mentzelia congesta L. B. Ziegler 1967-7-5 178 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  POM158437  Mentzelia dispersa P. A. Munz 1927-5-21 10854 Riverside Coahuila. 1372 Comment
  UC489134  Mentzelia dispersa C. V. Meyer June 1927 192 Riverside San Jacinto Mts. Saunder's Meadow 1615 Comment
  SD103958  Mentzelia involucrata J. L. S. Simpson 1968-3-19 Riverside Graham Pass, Little Chuchawalla Mountains. Comment
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Aug 28 2016
  UC310584  Mentzelia involucrata Philip A. Munz 1926-1-31 9951 Riverside Colorado Desert, Dos Palmas Spring Comment
  UC672667  Mentzelia involucrata Margaret Stason 1927-2-12 1000 Riverside Colorado Desert,Palm Canyon Comment
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Nov 12 2011
  POM15051  Mentzelia involucrata var. megalantha Mary F. Spencer 1922-3-29 1990 Riverside Mecca -49 Comment
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May 29 2011
  RSA652295  Mentzelia laevicaulis Ted States 1949-3-25 s.n. Riverside Collected 15 miles east of Indio on Hwy 60, 1/2 mile off road. 457 Comment
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Sep 6 2008
  UCR275583  Mesembryanthemum nodiflorum T. B. Salvato 2005-6-13 605- 11 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR241392  Microseris heterocarpa T. B. Salvato, Mike Landers 2013-3-21 7377 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  RSA528103  Microseris lindleyi Steve Myers 1991-4-15 91 -13 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UCR213532  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37799 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  OBI37455  Mimetanthe pilosa Melody Lardner 1981-5-28 190 Riverside In the Box Springs Mts on Box Springs Mt Rd 2.5 mi from the corner of Pigeon Pass Rd and Box Springs mt Rd 914 Comment
  SEINET10796646  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12837 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
  RSA525424  Mimulus aurantiacus var. pubescens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4532 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR111583  Mimulus aurantiacus var. pubescens Mitch Provance 1998-3-7 148 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UC511176  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside summit Temecula Grade 609 Comment
  UCR174330  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32565 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA420942  Mimulus bigelovii var. bigelovii Emery M. Whilton 1937-3-24 s.n. Riverside Taken in Coachella Valley. Comment
  RSA49354  Mimulus bigelovii var. bigelovii P. A. Munz 1949-4-11 13012 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  CLARK-A1045-337  Mimulus brevipes George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  JEPS9935  Mimulus brevipes W. L. Jepson 1935-4-21 17161 Riverside Wisser Valley Comment
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Apr 7 2009
  RSA85485  Mimulus brevipes J. C. Roos, Lucille Roos 1952-4-19 5562 Riverside Box Springs Mtns. 457 Comment
  UCR35246  Mimulus brevipes L. B. Ziegler 1967-5-18 127 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA801729  Mimulus diffusus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6181 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  POM13602  Mimulus floribundus E. C. Jaeger 1921-7-11 1052 Riverside Stone Creek. [no county specified] 1738 Comment
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Mar 8 2012
  UCR151205  Mimulus floribundus Scott D. White 1999-6-6 7441 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  UCR17145  Mimulus floribundus Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  UCR201701  Mimulus floribundus Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR90595  Mimulus floribundus Scott D. White 1995-6-29 3376 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  LA209478  Mimulus fremontii Norman C. Cooper; 1944-6-17 1417 Riverside San Jacinto Mountains, above Banning 1219 Comment
  SEINET9797064 Image available Mimulus fremontii Sharon McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  JOTR32396  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA526135  Mimulus guttatus Steve Boyd, Tim S. Ross 1990-5-11 4648 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UC56259  Mimulus guttatus H. M. Hall 1902-4-23 2957 Riverside vicinity Riverside; Santa Ana River 228 Comment
  CLARK-A1528-868  Mimulus longiflorus Markell Kohn 1959-4-1 Riverside University of California Comment
  RSA543841  Mimulus palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6304 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA559317  Mimulus pilosus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7371 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  CLARK-A1528-870  Mimulus puniceus Fred B. Essig 1964-2-24 18 Riverside La Sierra 670 Comment
  CSUSB897  Mimulus puniceus Mark T. Wexler 1973-5-13 Riverside Santa Ana Mountains Cleveland National Forest, 10.18 miles from Orange County line of State Route 74, on east face of Santa Ana Mountains. 457 Comment
  RSA787123  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49559 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  UC886389  Mimulus tilingii Carl B. Wolf 1932-8-5 3954 Riverside meadow on trail from Tahquitz Valley to San Jacinto Peak (head of a fork of Tahquitz Creek); San Jacinto Mts., 1st Real 2743 Comment
  JEPS51437  Minuartia douglasii W. L. Jepson 1901-5-27 1477 Riverside hill between Cahuilla and Aguanga 624 Comment
  JOTR35373  Mirabilis albida Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. trail from Key's View to Inspiration Point 1620 Comment
  SEINET205185  Mirabilis californica F. C. Raney 1959-4-30 59 -5 Riverside State Hwy 74 1 mi E of Romoland Comment
  SBBG69801  Mirabilis laevis var. crassifolia M. N. Ackley 1928-4-1 719 Riverside Snow Crk, Mt San Jacinto 518 Comment
  CAS-BOT-BC434828  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC384086  Mirabilis laevis var. villosa C. L. Hitchcock 1966-3-16 24176 Riverside 1/4 mile w. of Aguanga Comment
  SBBG1887  Mirabilis laevis var. villosa H. and M. Dearing 1942-3-10 4824 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCD98205  Mirabilis laevis var. villosa Anne Harrison 1962-4-17 23 Riverside On White-water Canyon Road north of U.S. Highway 60, 0.25 mile south of trout farm where road crosses Whitewater River. Comment
  RSA464259  Mirabilis tenuiloba N. R. Zabriskie, W. M. Zabriskie 1973-3-29 594 Riverside S side of lower Pipistrelle Canyon wash, Deep canyon drainage, N slope Santa Rosa Mountains. 427 Comment
  JOTR35060  Mohavea confertiflora La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3512 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  POM13390  Mohavea confertiflora E. C. Jaeger 1922-3-4 1025 Riverside Painted Canyon near Mecca. Comment
  RSA517244  Mohavea confertiflora Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1335 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  UC1995359  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside trail to Round Valley; San Jacinto Mts. Comment
  RSA515346  Monardella lanceolata var. lanceolata Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, mouth of Miller Canyon, N of Mesa de Burro. 351 Comment
  UCD125191  Monardella linoides L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mountains, above Deep Canyon, 22 miles south of Cathedral City, Colorado Desert. 1066 Comment
  SEINET10499560 Image available Monardella macrantha var. hallii Harvey M. Hall Hall 1936 Riverside Palomar Comment
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Jul 19 2020
  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
  UC1499859  Monardella nana Elizabeth McClintock 1940-5-19 6 Riverside 1/2 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  SEINET13948606 Image available Monardella nana J. Derby 1978-1 s.n. Riverside San Jacinto Mts; T6S R4E SEC34. Comment
  RSA282904  Monardella nana subsp. tenuiflora C. W. Tilforth 1980-7-15 2075 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  CAS-BOT-BC444629  Montia chamissoi H. M. Hall 1901-7-1 2362 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2743 Comment
  CAS-BOT-BC275295  Muhlenbergia microsperma Munz; Harwood 1920-2-28 3238 Riverside 2 miles SE of Corona 274 Comment
  UC69353  Muhlenbergia richardsonis H. M. Hall 1901-6 2428 Riverside Tauquitz Valley San Jacinto Mountains Comment
  RSA180312  Muilla maritima E. W. Lathrop 1965-4-18 5660 Riverside 10 miles west of Murrieta. Comment
  UCR176925  Muilla maritima Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 73 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR92179  Muilla maritima D. L. Banks, Steve Boyd 1995-5-3 269 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SD261013  Myosurus minimus subsp. apus John F. Green 2008-7-9 Riverside Peninsular Range: Menifee Valley, east of Briggs Rd and north of Holland Rd (Romoland 7.5'Q) 438 Comment
  UCR114958  Myosurus minimus subsp. apus Fred M. Roberts 1992-4-25 4872 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  SDSU3619  Myriopteris parryi A. H. Gallup 1949-3-28 361 Riverside San Jacinto Mt. Ranche. In rocky ledges-Palms to Pines Hywy above Desert Center. Drainage area is the Colorado Desert. 762 Comment
  OBI1212  Myriopteris parryi Hoover 1966-10-15 10167 Riverside Dead Indian Cyn Comment
  RSA516897  Nama demissa Steve Boyd, Orlando Mistretta 1986-3-13 1414 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR88429  Nama demissa A. C. Sanders, K. C. Rose 1995-4-5 16343 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UC880823  Nama demissa var. demissa I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs Comment
  SD148142  Nama stenocarpa D. E. Bramlet, Et al. 1999-10-15 2817 Riverside 198 m S of Gilman Hot Springs Road, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit Trail 433 Comment
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Mar 21 2011
  RSA741057  Nassella cernua Scott D. White, Justin M. Wood 2008-6-5 12064 Riverside Quinn Flat Meadow. 1372 Comment
  RSA714958  Nassella lepida Sarah J. De Groot, Beth Kempton 2006-3-16 5210 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 658 Comment
  RSA740838  Nasturtium officinale Scott D. White, Justin M. Wood 2008-7-8 12401 Riverside Johnson Meadow. 1439 Comment
  RSA469852  Navarretia atractyloides Robert Gustafson, Gary D. Wallace 1983-6-23 2711 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  RSA561867  Navarretia atractyloides Steve Boyd, T. S. Ross 1992-6-10 7623 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San Mateo Creek. 405 Comment
  UCR189557  Navarretia fossalis Diane Menuz 2007-5-10 285 Riverside Peninsular Range, Perris Basin, San Jacinto River c. 0.8 mi north of Nuevo Road and 1.5 mi south of Ramona Expressway 431 Comment
  SD73475  Navarretia prostrata Earl W. Lathrop 1969-5-19 7053 Riverside Sanat Ana Mountains: 8 miles west of Murrieta, Mesa de Colorado of the Santa Rosa Plateau Comment
  RSA336417  Nemacladus glanduliferus R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52047 Riverside Palm Desert area: Just E of Palm Desert, foot of N slope of Santa Rosa Mountains. Comment
  SBBG125362  Nemacladus longiflorus var. longiflorus C. B. Hardham 1965-6-17 12952 Riverside Chimney Flats Rd, near Alvin Meadow, W of Idyllwild 1463 Comment
  UCR1558  Nemacladus longiflorus var. longiflorus David L. Davis 1962-5-19 132 Riverside San Jacinto Mtns, Bautista Canyon, along road c. 13 mi. from Hwy 74 610 Comment
  RSA0126424  Nemacladus longiflorus var. longiflorus F. M. Reed 1925-5-26 5140 Riverside Horsetheif Canyon. 762 Comment
  UC218060  Nemacladus orientalis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4852 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  CAS-BOT-BC416315  Nemacladus ramosissimus A. C. Sanders 1998-6-10 21980 Riverside San Jacinto Mtns.: FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi E of Keen Camp Summit, ca 1 mile due south of Lake Hemet 1463 Comment
  RSA0121064  Nemacladus ramosissimus Duncan S. Bell, Thomas Stoughton 2016-3-16 8950 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA395910  Nemacladus ramosissimus Steve Boyd 1986-4-22 1770 Riverside Temescal canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  SEINET10461025  Nemacladus ramosissimus Wilder WILDER 575 Riverside Jurupa Mountains, Wilder's Canyon Comment
  POM67785  Nemacladus rubescens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET10461158  Nemacladus rubescens var. rubescens Piehl 1963-6-2 PIEHL 63547 A Riverside Along California Highway 74, 1.2 miles west of Mountain Center 1341 Comment
  SEINET10939189  Nemacladus rubescens var. rubescens Junak 1983-3-24 JUNAK 1664 Riverside Near Pinto Basin road, 2.1 miles north of Highway 10 564 Comment
  SEINET10460870  Nemacladus sigmoideus Frank W. Peirson Peirson 7913 Riverside n Colorado Desert Comment
  JEPS7616  Nemacladus tenuis var. tenuis E. E. Schellenger Apr 1920 Riverside Chuckwalla Bench; Colorado Desert Comment
  POM3455  Nemophila menziesii H. M. Hall 1897-4-7 s.n. Riverside Winchester, Riverside Comment
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Mar 20 2011
  SEINET7067555  Nemophila menziesii A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  UCR107894  Nemophila menziesii G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  UC68730  Nicotiana clevelandii H. M. Hall 1905-4-16 5802 Riverside 10 mi w Coachella (Marshall Canyon); Colorado Desert, Marshall Canyon 91 Comment
  RSA662146  Nicotiana glauca Stephen Hill 1981-2-16 34 Riverside Coal Canyon behind horse stables on N side of the 91 freeway. Comment
  RSA278981  Nicotiana obtusifolia Barry A. Prigge, L. Martinez 1978-3-23 2431 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  SBBG70581  Nicotiana obtusifolia M. N. Ackley 1927-3-13 969 Riverside Coral Reef Ranch Comment
  UC444935  Nicotiana quadrivalvis F. M. Reed 1905-9-25 247 Riverside Riverside Comment
  UCR59509  Nicotiana quadrivalvis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3559 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA628244  Nolina bigelovii A. C. Sanders, G. K. Helmkamp, O. F. Clarke, B. Pitzer, et al. 1996-11-9 19645 Riverside Colorado Desert: Orocopia Mountains., near ''Bob's Cabin'', 5 mi. (air) S of Hayfield Pump Station, E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo. 610 Comment
  RSA11601  Nolina parryi C. Epling, William Robison 1933-6-26 s.n. Riverside Little San Bernardino Mountains: Key s View [Salton View]. 1524 Comment
  UC336517  Notholaena californica unknown May 1880 Riverside San Jacinto Mountains Comment
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Mar 12 2011
  JEPS19053  Notholaena californica subsp. californica Marjorie D. Clary 1932-3-20 Riverside Mission Creek, NW of Garnet 609 Comment
  POM11862  Notholaena californica subsp. californica P. A. Munz, I. M. Johnston 1922-5-21 5551 Riverside 4 mi. N.E. of San Jacinto 457 Comment
  CAS-BOT-BC171496  Oenothera californica C. W. Tilforth 1976-5-22 1208 Riverside Common in vineyards and along Milliken Ave. in n.w. Riverside county. Comment
  SEINET3005057  Oenothera deltoides G. Rink 2011-4-29 10495 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  RSA718760  Oenothera deltoides subsp. deltoides Michael Honer, L. Hulse 2004-4-14 1945 Riverside Rice Valley; appx. 2 mi. SE of Rice. 240 Comment
  UCR41329  Oenothera elata N. M. Fellows 1984-11-12 16 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  UCD170719  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside Riverside, NE edge of UCR campus, east of A and I dorms and south of Watkins Dr., near Parking Services Bldg. 335 Comment
  CAS-BOT-BC427464  Oligomeris linifolia W. L. Jepson 1914-5-21 6059 Riverside Colorado Desert. Indio 7 Comment
  UC72697  Oligomeris linifolia E. E. Schellenger Riverside Paloverde; Colorado Desert, Paloverde Comment
  UCD108102  Olneya tesota G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
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Jun 15 2013
  CAS-BOT-BC383075  Oncosiphon piluliferum R. E. Riefner, Jr. 2014-6-1 14 -141 Riverside Northeast of Norco, E of Eastvale, Community of La Sierra, Hidden Valley Wildlife Area, Santa Ana River Trail, ca. 0.6 mi N of Arlington Ave. 205 Comment
  CAS-BOT-BC478174  Oncosiphon piluliferum R. E. Jr. Riefner 2015-3-24 15 -99 Riverside City of Perris, Goetz Road at Ellis Avenue 447 Comment
  SD262202  Oncosiphon piluliferum Steve Boyd 2017-4-19 12324 Riverside City of Riverside, residential lot at 4376 Beechwood Place (Riverside West 7.5'Q) 228 Comment
  UCR169878  Oncosiphon piluliferum Chet McGaugh 2006-2-20 s.n. Riverside N edge of Perris near Granite Spur, 1 mile south of Ramona Expressway at intersection of Webster Ave. and Rider St., 0.25 mi. east of I-215 454 Comment
  UCR241776  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-1 40725 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR280191  Oncosiphon piluliferum Steve Boyd 2017-4-19 12324 Riverside City of Riverside, residential lot at 4376 Beechwood Place 229 Comment
  UC592964  Opuntia bigelovii Carl B. Wolf 1932-10-12 4301 Riverside about 4 mi e El Dorado Queen Mine (nw end of basin); Colorado Desert, Pinto Basin 914 Comment
  UCR156281  Opuntia littoralis T. B. Salvato, Kent Beaman 2005-5-16 827 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
  POM278510  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 123 Riverside 5 miles NW of Nightingale along Palms to Pines Hwy.; Santa Rosa Mts. 1463 Comment
  UCD150804  Orcuttia californica Tom Griggs 1976-6-16 s.n. Riverside Riverside County, Santa Rosa Plateau, Mesa de Burro. Elevation estimated with Google Earth. 609 Comment
  CAS-BOT-BC355576  Oreostemma alpigenum var. andersonii P. A. Munz 1922-7-6 5997 Riverside San Jacinto Mts. Tahquitz Valley 2194 Comment
  UCR139141  Orobanche bulbosa John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  JEPS85949  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4527 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  RSA0059397  Orobanche cooperi subsp. cooperi Ernest Braunton 1940-01 2006 Riverside Near Indio. Comment
  RSA0066527  Orobanche cooperi subsp. cooperi C. Leo Hitchcock 1940-3-29 5845 Riverside Ca. 12 mi. east of Indio. Comment
  SEINET270934  Orobanche corymbosa Richard J. Shaw 1958-5-10 1110 Riverside 3 miles above Palm Desert. Palms to Pine Highway. 610 Comment
  CLARK-A1045-173  Orthocarpus densiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains vernal pools; Wildomar 7.5'Q Comment
  RSA458998  Osmorhiza berteroi Anstruther Davidson 1876-7-7 s.n. Riverside San Jacinto. 2896 Comment
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Oct 21 2010
  UC218228  Osmorhiza berteroi P. A. Munz 1922-9-6 6371 Riverside Round Valley San Jacinto Mts. 2712 Comment
  RSA228818  Oxalis californica Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 589 Riverside Cleveland National Forest; 7 miles south of Lake Elsinore along Forest Route 7S04. Comment
  UCR165195  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Highway 243, turnoff to Black Mtn. Road, c. 2 mi SE of Lake Fulmor 1643 Comment
  RSA593784  Oxytheca emarginata Jeri Hirshberg 1995-5-19 279 A Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA773106  Oxytheca trilobata Duncan S. Bell, Joy D. England 2010-6-14 1298 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  UCR207698  Oxytheca trilobata Justin M. Wood, Brandy N. Wood 2009-6-13 894 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
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Nov 30 2009
  CAS-BOT-BC121217  Paeonia californica Carl B. Wolf 1936-6-17 7955 Riverside Santa Ana Mtns, Teneja Road, 1.4 mi off Ortega Hwy, on road to La Cienaga 609 Comment
  RSA17258  Paeonia californica Carl B. Wolf 1936-6-17 7955 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  CAS-BOT-BC327891  Palafoxia arida Marcus E. Jones 1906-4-30 s.n. Riverside Indio Comment
  UCR148320  Palafoxia arida John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR3810  Palafoxia arida Frank C. Vasek 1964-4-12 640412- 08 Riverside Sonoran (Colorado) Desert, 29 Palms Road, 2.9 mi south of San Bernardino Co line, 1.5 mi from the junction with Rice Road Comment
  SEINET10875583  Palafoxia arida David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3725 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA23143  Palafoxia arida var. arida I. L. Wiggins 1938-3-19 8902 Riverside 25 miles W of Blythe. Comment
  UC831418  Palafoxia arida var. arida I. W. Clokey and B. C. Templeton 1930-4-9 4682 Riverside n Palm Springs; Colorado Desert 170 Comment
  UCR33541  Palafoxia arida var. arida Sears 1977-10-10 S 514 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  CLARK-A1528-1258  Panicum capillare John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  SEINET10788752  Panicum urvilleanum Sarah E. Youngstrom, J. Travis Columbus 2007-5-23 Youngstrom 2 Riverside S of Whitewater, Northern San Jacinto Mountains 100-200 m S of Hwy 111, on NE aspect, steep slope sand deposits on base of mountains. 311 Comment
  LA31742  Parkinsonia florida Mary V. Hood; 1942-4-2 42- 12 k* Riverside S of Indio. Riverside and Imperial County line 0 Comment
  RSA0013755  Parkinsonia florida April Garbat, Sarah J. De Groot 2013-4-9 42 Riverside Along Graham Pass Rd near intersection with Chuckwalla Valley Rd 130 Comment
  UCR33888  Parthenium incanum A. C. Sanders 1982-9-24 2965 Riverside City of Riverside, Univ. of Calif. experimental fields Comment
  UCR43389  Paspalum distichum R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61173 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  UCR85427  Paspalum vaginatum A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15885 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas) -37 Comment
  RSA608176  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10063 Riverside Colorado-Mojave Desert transition, Little Maria Mountains: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. 274 Comment
  UCR216202  Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  CAS-BOT-BC227090  Pectocarya lateriflora A. C. Sanders 2011-4-7 39030 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR133686  Pectocarya linearis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  HSC3748  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-15 24150 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA604848  Pectocarya linearis subsp. ferocula Scott D. White 1995-3-30 2644 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
  SDSU17485  Pectocarya linearis subsp. ferocula Jerry Jenkins 2001-3-30 2001 -005 Riverside Santa Margarita Ecological Reserve. Field by station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  UCR266474  Pectocarya linearis var. ferocula Mitch Provance, Matt Amalong 2015-3-25 315- 41 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  RSA495816  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2926 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SEINET7063223  Pectocarya penicillata A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCD120161  Pectocarya penicillata C. L. Hitchcock; C. V. Muhlick 1962-3-16 22142 Riverside Temescal Canyon, 8 miles southeast of Corona. Comment
  JEPS88955  Pectocarya platycarpa Rimo Bacigalupi with Paul Hutchison 1958-2-19 6198 Riverside 9.4 mi n Blythe; w base of Big Maria Mts., in wash 167 Comment
  UCR241799  Pectocarya platycarpa A. C. Sanders, Ann Howald 2013-2-28 40562 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR224251  Pectocarya recurvata A. C. Sanders 2011-3-23 38804 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  JOTR31055  Pectocarya setosa La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2038 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  CLARK-A1528-3592  Pellaea andromedifolia John C. Roos 1952-4-29 5597 Riverside Reche Canyon 457 Comment
  RSA686754  Pellaea andromedifolia Anonymous s.n. Riverside Elsinore Comment
  HSC35461  Pellaea mucronata J. D. Ackerman, A. M. Montalvo 1975-6-26 525 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  UCR22114  Pellaea mucronata Steve Boyd 1980-4-8 117 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SD229013  Pellaea mucronata subsp. mucronata Dick Schwenkmeyer 2012-3-26 673 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UC1874929  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2003-4-24 1150 Riverside Nightingale / Pinyon Pine Campground, ca. 3/4 mi from Sawmill Trailhead along Cactus Spring Trail. 1210 Comment
  UC399533  Pellaea mucronata var. mucronata Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 762 Comment
  POM305715  Penstemon X parishii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1024 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA300468  Penstemon californicus Walter Wisura 1982-6-5 3831 Riverside Near SE base of Pyramid Peak along Pacific Crest Trail 2073 Comment
  SEINET10299439  Penstemon centranthifolius K. Nakano 1969-4-18 27 Riverside 5.9 mi E of US Hwy 395 on Hwy 71, E of Temecula 152 Comment
  NY583957  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25287 Riverside Route 74, above Ribbonwood, east of San Jacinto Range 1402.1 Comment
  NY583964  Penstemon clevelandii var. connatus F. W. Pennell 1940-4-28 25288 Riverside Route 74, below Ribbonwood, east of San Jacinto Range 1066.8 Comment
  UC195280  Penstemon clevelandii var. connatus S. B. and W. F. Parish Apr, 1882 1216 Riverside Mts. at Agua Caliente [Agua Caliente=Palm Springs, (now) Riverside Co., [hence probably near Vandeventers Ranch above that town.]?DDK J. Ewan 1935] Mts. at Agua Caliente Comment
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Nov 6 2006
  UC887057  Penstemon grinnellii P. A. Munz 1922-7-8 6062 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  RSA402131  Penstemon labrosus N. C. Cooper 1944-7-15 1588 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  RSA68357  Penstemon labrosus Verne Grant, Alva Grant 1951-7-20 16099 Riverside Idyllwild 1646 Comment
  UC27467  Penstemon labrosus H. M. Hall 1898-7-2 969 Riverside San Jacinto Mountains San Jacinto Mountains (Southern California) Comment
  RSA79844  Penstemon pseudospectabilis Philip A. Munz, D. D. Keck 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  JEPS13909  Penstemon rostriflorus P. A. Munz 1922-7-6 6007 Riverside Tahquitz Valley trail from Fern Valley San Jacinto Mts., Tahquitz Valley trail 2133 Comment
  UC1971232  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. 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
  RSA401811  Penstemon spectabilis Martha Hilend 1928-4-8 170 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA503397  Penstemon spectabilis J. D. Olmsted 1962-5-9 3603 Riverside NW grove of knobcone pines. NW ridge of Pleasants Peak. Northern Santa Ana Mts. 1128 Comment
  RSA575820  Penstemon spectabilis Steve D. Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  SEINET10701942  Penstemon spectabilis Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 134 Riverside San Bernardino National Forest. 1.0 mi. up Little Thomas Mountain Rd. (Forest Road 6S13) just S of Lake Hemet from Rt. 74. 1409 Comment
  RSA0097627  Penstemon spectabilis var. subviscosus Marc A. Baker, Cecile Shohet, Melissa Fowler 2015-4-17 18328 .1 Riverside South end of Banning Bench.2.4 km NW of central Banning, 51 km east of central Riverside. 912 Comment
  SEINET852425  Pentagramma triangularis G. Yatskievych 1981-1 81 -141 Riverside Overlooking Lake Elsinore, State Highway 74, 0.6 miles northeast of El Carizo. Comment
  SEINET9628509 Image available Pentagramma triangularis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23110 Riverside Along steep bank, 10 mi N of Pala, along road to Elsinore. Comment
  SBBG59640  Perideridia parishii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 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-BC77482  Peritoma arborea var. angustata Philip A. Munz 1949-4-13 13042 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert 1097 Comment
  CAS-BOT-BC77487  Peritoma arborea var. angustata S. B. Parish 1916-5-13 10858 Riverside Cottonwood Spring, Colorado Desert 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
  GMDRC5488  Peritoma arborea var. arborea J. Andre 2012-4-16 20895 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  CLARK-A1528-4973  Perityle emoryi John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  JOTR31850  Perityle emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2108 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA15500  Perityle emoryi L. S. Rose 1935-12-23 35687 Riverside Above Deep Canyon, San Jacinto Mts, 13 miles S of Cathedral City. 610 Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 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
  RSA758331  Perityle emoryi Doug Goldman 2005-3-3 3041 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCR104801  Perityle emoryi George K. Helmkamp 1998-2-5 2648 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCD13372  Persicaria lapathifolia Patricia Gordon-Reedy 1996-1 s.n. Riverside Shores of Lake Skinner. Comment
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Nov 20 2011
  SD122868  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd., 8 mi west of Rancho California, wet sand in Sandia Creek 305 Comment
  POM12018  Petalonyx linearis E. C. Jaeger 1920-4-7 1197 Riverside Rockhouse Canyon, Santa Rosa Mts. Comment
  RSA23237  Petalonyx linearis Ernest Braunton 1940-03 2042 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  UCR144106  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area. N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  RSA0082903  Petalonyx thurberi subsp. thurberi Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang 2015-5-29 3121 Riverside Along 70th Ave. approx. 0.7 mi W of jct w/ Windward Dr. -37 Comment
  SD84909  Petalonyx thurberi subsp. thurberi Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-23 452 Riverside Near Andreas Canyon Club gate, South Palm Canyon Drive, Palm Canyon drainage, east slope San Jacinto Mountains. 167 Comment
  POM319385  Petunia parviflora Patricia Wilder 1970-10-15 4813 Riverside At base of Prado Dam near locks in Prado Flood Control Basin. East of Chino Hills, Santa Ana River. 122 Comment
  RSA535082  Petunia parviflora Steve D. Boyd 1991-5-30 6318 Riverside Murrieta area, Warm Springs Creek at NW end of the Hogbacks, S of Alamos Rd. 396 Comment
  RSA697775  Phacelia J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2439 Comment
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Nov 10 2010
  UCR148467  Phacelia ambigua S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  CLARK-A1528-2990  Phacelia campanularia John C. Roos 1947-2-15 3245 Riverside Eagle Mountains Comment
  POM14060  Phacelia campanularia P. A. Munz, D. D. Keck 1922-4-14 5003 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA775500  Phacelia campanularia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4473 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. 488 Comment
  UCR88298  Phacelia campanularia A. C. Sanders, K. C. Rose 1995-4-5 16369 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SBBG46039  Phacelia campanularia subsp. campanularia C. F. Shutts 1949-3-19 61 Riverside Cottonwood Pass, Joshua Tree Nat Monument 304 Comment
  CAS-BOT-BC133960  Phacelia cicutaria L. R. Abrams 1935-4-7 13662 Riverside Favilan Hills, 2 miles S.W. of Perris Comment
  SBBG37427  Phacelia cicutaria var. hispida R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UC718114  Phacelia cicutaria var. hispida Carl B. Wolf 1935-4-7 6299 Riverside 2 mi sw Perris; Gavilan Hills Region 426 Comment
  UCR213444  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37832 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR241819  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-4-2 40757 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR90049  Phacelia cicutaria var. hispida P. F. Horner 1972-5-2 37 Riverside Santa Ana River Valley, Riverside, Santa Ana River bottom, near Union Pacific Railroad Bridge 213 Comment
  RSA0043224  Phacelia crenulata var. ambigua Duncan S. Bell 2010-4-2 694 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UCR102953  Phacelia crenulata var. ambigua George K. Helmkamp 1998-4-4 3152 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR279512  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-27 43113 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR72170  Phacelia crenulata var. ambigua Theo Glenn 1991-5-7 91- 96 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  JOTR34007  Phacelia cryptantha La Doux, Tasha, M. Harding 2010-4-7 2895 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
  UCR41355  Phacelia cryptantha N. M. Fellows, A. C. Sanders 1985-4-9 128 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  JEPS2319  Phacelia distans W. L. Jepson May 17 1901-Jun 1 1901 1276 Riverside Canyon of the San Jacinto River Comment
  JEPS2400  Phacelia distans E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA426072  Phacelia distans E. A. McGregor 1966-3-21 s.n. Riverside Coachella Valley, San Diego County. [Riverside Co] Comment
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Mar 4 2009
  RSA426224  Phacelia distans Christopher Davidson 1973-4-19 1998 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA678268  Phacelia distans Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1078 Riverside Big Morongo Wash. 473 Comment
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 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. 823 Comment
  UC1262278  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside hills e Norco Comment
  UC73695  Phacelia distans Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR102762  Phacelia distans B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3592 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
  UCR268945  Phacelia distans Jim Andre 2015-3-2 31360 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  RSA617440  Phacelia minor B. Pitzer 1997-3-23 2990 Riverside Lakeview Mtns, ca. 1 air mile SSW of Mt. Rudolph, along powerline rd 0.3 mile E of Contour (Juniper Flats) Rd. 610 Comment
  RSA655400  Phacelia minor A. C. Sanders 1998-1-15 21636 Riverside Lake Skinner area: toward Crown Valley, NE of Black Mtn 762 Comment
  UCR29001  Phacelia minor M. G. McLeod, David J. Keil 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on California Hwy 71 183 Comment
  RSA0064523  Phacelia minor Gail Thompson 1970-3-16 B 28 Riverside 1 mi. south of Temecula on dirt road off Main Street. 457 Comment
  UCR50291  Phacelia parryi B. G. Pitzer, H. P. Hall, J. L. Hall 1987-5-23 0564 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  CAS-BOT-BC145002  Phacelia ramosissima var. latifolia Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  UCR123875  Phacelia ramosissima var. latifolia Steven R. Hill 2001-5-3 33662 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UC699662  Phacelia suaveolens var. keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak Santa Ana Mts. (type locality) 1219 Comment
  RSA691955  Phalaris aquatica Scott D. White, Michael Honer 2003-4-9 8977 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UC1040771  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley 475 Comment
  SD90578  Phalaris caroliniana Robert F. Thorne, Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California, small vernal marsh 625 Comment
  RSA554297  Phalaris minor Scott D. White 1992-2-25 92 -15 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UCR89892  Phalaris minor A. C. Sanders 1992-4-5 12163 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Ford Dry Lake, north of Interstate Hwy 10 at Ford Dry Lake Road, near site of Hopkins Well 110 Comment
  UC219241  Philadelphus microphyllus var. stramineus E. C. Jaeger 1922-8-20 1015 Riverside Long Valley. Comment
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Mar 8 2012
  UCR78447  Pholistoma auritum Scott D. White 1993-4-22 1262 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  POM47496  Pholistoma membranaceum Mary F. Spencer 1920-4-4 1583 Riverside Near Palm Springs; Colorado Desert. 1220 Comment
  RSA459299  Pholistoma membranaceum Bonnie C. Templeton 1930-3-22 1649 Riverside Palm Springs. 400 Comment
  UCR41366  Pholistoma membranaceum N. M. Fellows 1985-3-3 87 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA0123183  Phoradendron bolleanum Duncan S. Bell, LeRoy Gross 2016-3-30 9171 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
  CAS-BOT-BC135070  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near Junction of road from S end of Joshua Tree National Monument and US 60 and 70 152 Comment
  RSA296149  Phoradendron californicum Barry A. Prigge 1980-8-19 3995 Riverside Whitewater Canyon: 1.0 mi. uostream from trout farm. 747 Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  RSA420773  Phoradendron californicum Robert L. Dressler 1949-3-19 429 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  RSA770423  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4878 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UC1039596  Phoradendron californicum H. L. Mason 1928-3-11 4233 Riverside desert flats near Indio Comment
  UCSB1314  Phoradendron californicum Graney, Don 1953-3-22 Riverside Morango Canyon, Colorado Desert Comment
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May 15 2016
  UCR111509  Phoradendron villosum A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  RSA79897  Physalis crassifolia F. W. Peirson 1922-4-8 1088 Riverside between Whitewater and Palm Springs. Comment
  SD227911  Physalis crassifolia B. Pitzer 1998-1-24 3381 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd, & wash directly S of rd. 500 Comment
  SEINET3077619 Image available Physalis crassifolia C. Francis Shutts 1949-3-18 44 Riverside Box Canyon on old Mecca-Blythe Hwy. Orocopia Mountains. Salton Sink. 183 Comment
  SEINET3162388  Physalis crassifolia L. S. Rose 1935-12-27 35709 Riverside 8 mi E of Garnet 457 Comment
  HSC6807  Physaria tenella C. L. Hitchcock 1966-3-20 24309 Riverside 30 mi. N of Ogilby, along road to Blythe Comment
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Mar 2 2013
  SD136370  Pinus contorta subsp. murrayana Carl B. Wolf 1932-8-5 Riverside summit of San Jacinto Peak, San Jacinto Mountains 3295 Comment
  UC2015654  Pinus jeffreyi A. C. Sanders 1995-11-26 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak road, 0.7 mi. of Bonny Lane, sec.14. Comment
  NY61880  Pinus monophylla N. H. Holmgren 1974-4-2 5777 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms) 1310.6 Comment
  POM293251  Pinus quadrifolia Lyman Benson 1956-12-1 15705 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 Comment
  UCSB146  Pinus quadrifolia Rensselaer, Maunsell 1937-9-21 Riverside W. of Vandeventer Flat, San Jacinto Mts. Comment
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Dec 18 2011
  RSA715055  Pistacia atlantica A. C. Sanders, T. B. Salvato 2003-5-21 26801 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
  UCR98064  Pistacia atlantica A. C. Sanders 1997-3-1 19727 Riverside Riverside: E side of University of California campus. 335 Comment
  UCR219072  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert, Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. -35 Comment
  CAS-BOT-BC71772  Pityrogramma triangularis var. viscosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23110 Riverside 10 mi. N. of Pala, along road to Elsinore Comment
  UCD120759  Plagiobothrys acanthocarpus A. C. Sanders; Guy Bruyea 2004-4-2 27448 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. Comment
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR140897  Plagiobothrys collinus Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR225614  Plagiobothrys collinus A. C. Sanders 2011-3-30 38920 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  LA210030  Plagiobothrys collinus var. californicus Carl B. Wolf; 1935-4-7 Riverside Gavilan Hills region, 2 mi. SW of Perris 426 Comment
  SD244102  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy . Chumley 2013-4-3 40769 Riverside Peninsular Range: Temescal Canyon south of Horsethief Canyon Road, off the west shoulder of I-15 fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 391 Comment
  UC25041  Plagiobothrys collinus var. californicus W. H. Brewer 1861-2-1 157 Riverside se from mines (center Temescal Range); center Temescal Range Comment
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Jul 6 2010
  RSA741117  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-6-18 12243 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR18160  Plagiobothrys jonesii A. C. Sanders 1978-3-19 00216 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  RSA562107  Plagiobothrys nothofulvus Steve Boyd 1992-4-14 6799 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR171975  Plagiobothrys nothofulvus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR20824  Plagiobothrys nothofulvus A. C. Sanders 1980-5-17 1465 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  RSA234043  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-19 37972 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  CDA41403  Plantago aristata J. W. Gilmore Jun 1923 s.n. Riverside Aguanga. 0 Comment
  UC173743  Plantago erecta T. S. Brandegee Apr 1901 Riverside Colorado Desert Comment
  CSUSB1065  Plantago hookeriana Kirby W. Brown 1966-4-7 Riverside Highway 71, 6.8 miles east of Temecula. 365 Comment
  UCR101589  Plantago insularis 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
  UC124605  Plantago lanceolata Geo. R. Hall 1908-1 8485 Riverside Riverside Comment
  UCR232039  Plantago lanceolata John F. Green 2008-4-22 04- 01 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  RSA500151  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3651 B Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UCR241223  Plantago major Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 519 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  SD181423  Plantago ovata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1097 Riverside Little San Bernardino Mountains region; mouth of West Wide Canyon, northnorthwest of junction of Dillon Road and Ford Avenue. 395 Comment
  SD227868  Plantago ovata Scott D. White, Pam Devries 1998-2-9 6085 Riverside La Quinta / Palm Desert area: Whitewater River Channel at and near Miles Ave. crossing. USGS La Quinta 7.5' quad. 17 Comment
  SJSU7820  Plantago ovata T. N. Seeno 1963-4-12 270 Riverside by Hwy 60-70, 20 mi W of Blythe Comment
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Sep 23 2013
  POM68906  Plantago ovata var. fastigiata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  POM94813  Plantago ovata var. fastigiata Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  UCR113767  Platanus Mitch Provance, A. C. Sanders 2000-7-4 2105 A Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
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May 19 2011
  RSA125985  Platanus racemosa E. K. Balls, Percy C. Everett 1957-11-4 22742 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  SBBG54767  Platanus racemosa C. Worthman 1968-5-16 166 Riverside 8.7 mi W of Murietta 167 Comment
  UCR225194  Platanus racemosa Steve Boyd, Robert Allen 2005-9-25 11658 Riverside Peninsular Ranges; San Jacinto Mountains region, Chino Canyon, southern base of the range, western margin of Chino Creek along upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 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
  UCR280925  Platanus racemosa Mitch Provance 2017-5-25 517- 64 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  RSA445708  Platystemon californicus E. Mannatt 1931-4-19 s.n. Riverside Riverside Comment
  UC1930029  Platystemon californicus Scott D. White, Justin Wood 2008-5-15 11983 Riverside San Jacinto Mountains: Johnson Meadow. (Idyllwild) Comment
  UCD96063  Platystemon californicus Geoffrey Levin 1975-4-26 493 Riverside Mahew Canyon, 1.5 miles southeast of Glen Ivy on Highway 71, 335 Comment
  SEINET13710927  Platystemon californicus S. W. Austin, S. W. Austin 1969-1 23 Riverside W Slope of Mts, E of Railroad Tracks & N of RaviNE N of Big Springs Rd 1500 Ft 457 Comment
  JEPS6894  Plectritis ciliosa subsp. insignis Marcus E. Jones, A. M. 1882-4-24 3167 Riverside San Jacinto Comment
  RSA560375  Plectritis ciliosa subsp. insignis Steve D. Boyd 1992-4-14 6807 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UCR281589  Plectritis ciliosa subsp. insignis Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 82 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  RSA515196  Pleuraphis rigida Steve Boyd, O. Mistretta 1986-3-13 1464 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC406744  Pleuraphis rigida Marcus E. Jones, A. M. 1929-9-16 24755 Riverside e Desert Center; East of Desert Center Comment
  CAS-BOT-BC326576  Pleurocoronis pluriseta H. M. Hall 1905-5-1 5992 Riverside Hills near Indio, Colorado Desert Comment
  CLARK-A1528-2187  Pleurocoronis pluriseta John C. Roos 1946-11-30 3172 Riverside Chuckwalla Mountains Comment
  RSA709904  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  CAS-BOT-BC326538  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  CAS-BOT-BC326547  Pluchea sericea Herman Knoche 1919-6-1 592 Riverside Palm Springs Comment
  POM8378  Pluchea sericea Mary F. Spencer 1918-3-28 782 Riverside In Palm canyon. 183 Comment
  UCR81687  Pluchea sericea J. M. Stewart 1994-5-2 856 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  LA206408  Poa nevadensis Frank W. Gould; 1944-4-5 2234 Riverside 17 mi. E of Temecula on highway 79 Comment
  RSA179487  Poa secunda E. W. Lathrop 1965-4-11 5649 a Riverside 10 mi. W. of Murrieta Comment
  RSA773170  Poa secunda Duncan S. Bell, Valentin Arvizu 2010-5-24 1109 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1385 Comment
  UCR189814  Polygala cornuta var. fishiae Theresa Johnson 2007-5-2 332 Riverside Peninsular Range, Santa Ana Mountains, Santa Rosa Plateau. Near Mesa de Burro Comment
  UCR19206  Polygala cornuta var. fishiae John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  UC212845  Polygonum bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz meadow San Jacinto Mt. 2377 Comment
  UC454281  Polygonum bistortoides I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UCR160892  Polygonum fagopyrum T. B. Salvato 2002-10-16 106 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UC582893  Polygonum lapathifolium Philip A. Munz 1935-10-21 14653 Riverside below Rincon; Santa Ana River Comment
  IRVC3039  Polypodium californicum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 183 Riverside Bee Canyon; San Jacinto Ridge Road. San Jacinto Mountains 701 Comment
  UCSC001088  Polypodium hesperium Peter Kamb 1947-10-4 2 Riverside Snow Creek, San Jacinto Mt. Comment
  UCR96862  Polypogon monspeliensis Scott D. White 1993-4-30 1316 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA575836  Polypogon viridis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at confluence of 'Estelle Creek' and Temescal Creek, just NW of entrenched meander of Temescal Creek at western base of Estelle Mountain. 317 Comment
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Oct 22 2011
  UCR277742  Polypogon viridis Mitch Provance 2012-10-15 1012- 02 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  RSA802251  Polystichum imbricans Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4997 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR260191  Polystichum imbricans Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4997 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  RSA755744  Populus balsamifera subsp. trichocarpa A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37158 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
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Mar 2 2014
  UCR230922  Populus fremontii T. B. Salvato, Richard Camacho 2011-6-12 5474 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
  UCR237693  Populus fremontii Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4589 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  CAS-BOT-BC356163  Porophyllum gracile John Thomas Howell 1928-1-30 3316 Riverside On road from Cottonwood Springs to Pinto Basin, near s. side of Pinto Basin, Colorado Desert Comment
  RSA28031  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  JOTR29089  Portulaca halimoides La Doux, Tasha, Bill Truesdell 2003-9-24 1259 Riverside Joshua Tree National Park. Queen Mountains, along trail to Barker Dam 1296 Comment
  CAS-BOT-BC452154  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mountains. Shores of Lake Surprise 2499 Comment
  JOTR35171  Potamogeton foliosus subsp. foliosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3274 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UC1951225  Potamogeton pusillus Justin M. Wood with Brandy Wood 2009-7-4 1045 Riverside San Bernardino Valley: Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. Guasti 7.5' Quad. Comment
  CAS-BOT-BC356219  Prenanthella exigua Roxana S. Ferris 1939-3-29 9716 Riverside Spur of the Eagle Mountains six to eight miles south of east portal of Eagle Mountains Tunnel on Desert Center-Rice road Comment
  JOTR34235  Prenanthella exigua Harding, Mitzi 2010-6-3 37 Riverside Joshua Tree National Park. bajada west of Eagle Mountain, approx. 1 mi NE of Cottonwood Visitor Center, approx. 1/2 mi. east of Rte. 11 975 Comment
  CAS-BOT-BC356221  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1940-4-27 1236 Riverside Whipple Mountains 289 Comment
  UCR108726  Prosopis glandulosa Scott D. White, Sandy Leatherman 1998-4-15 6284 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  CAS-BOT-BC206977  Prosopis glandulosa var. torreyana W. R. Dudley 1903-12-27 s.n. Riverside Palm Springs Comment
  POM348732  Prosopis glandulosa var. torreyana N. C. Cooper 1948-5-13 2841 Riverside Morongo Pass 457 Comment
  SD229162  Prosopis glandulosa var. torreyana Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 887 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  POM1825  Prunus fremontii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 305 Comment
  RSA0121429  Prunus fremontii Duncan S. Bell, LeRoy Gross 2016-3-29 9128 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA294430  Prunus fremontii Lyman D. Benson, Robert Benson 1952-3-23 14842 Riverside Mountainsides above Cathedral City on the Palms-to-Pines Highway. Mt. Range San Jacinto. 701 Comment
  CLARK-A1528-3072  Prunus ilicifolia John C. Roos 1940-5-4 Riverside San Timoteo Canyon Comment
  SDSU13618  Prunus ilicifolia subsp. ilicifolia W. Miller, C. Mosse Riverside Comment
  SDSU13933  Prunus ilicifolia subsp. ilicifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2142 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  SEINET3005043  Psathyrotes ramosissima G. Rink 2011-4-25 10479 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  UCR155329  Pseudognaphalium biolettii A. C. Sanders, Mike Misenhelter 2005-3-23 29261 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR91458  Pseudognaphalium biolettii Scott D. White 1995-3-30 2678 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR250192  Pseudognaphalium leucocephalum A. C. Sanders 2014-4-8 40989 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.6 km SE of I-15 crossing 313 Comment
  UC1518844  Pseudognaphalium luteoalbum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55375 Riverside near Whitewater Post Office (between old and new highway bridges and along Whitewater River); San Bernardino Mts., Mouth of Whitewater Canyon, Whitewater 411 Comment
  LA6325  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, above Herley Creek Camp Comment
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Feb 23 2014
  POM160116  Psilocarphus brevissimus E. C. Jaeger 1927-4-26 s.n. Riverside Elsinore Comment
  UCR220340  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 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
  UCR228254  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2011-4-1 38932 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  RSA356705  Psilocarphus tenellus R. F. Thorne, E. W. Lathrop 1975-5-20 45504 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  CLARK-A1528-518  Psoralea californica Charlotte Stocks 1962-6-10 Riverside San Jacinto Mountains Comment
  SBBG68078  Psorothamnus arborescens Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SEINET2063861 Image available Psorothamnus arborescens B. Pitzer 1986-4-26 Riverside Whitewater Canyon, ca. 4.5 miles N of Interstate 10 on Whitewater Canyon Road, Whitewater 7.5' Quad. 731 Comment
  UCR123759  Psorothamnus arborescens var. simplicifolius Steven R. Hill 2001-4-29 33546 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  CAS-BOT-BC353615  Psorothamnus emoryi S. B. Parish 1906-4-20 6725 Riverside Palm Springs Comment
  CAS-BOT-BC353634  Psorothamnus emoryi R. F. Hoover 1966-10-15 10158 Riverside Dead Indian Creek wash, south of Palm Desert Comment
  UCR161370  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  SD46419  Psorothamnus emoryi var. emoryi P. C. Everett, E. K. Balls 1956-5-2 21552 Riverside 2 miles north of turn off highway 60/70, west of desert center to eagle Mountain pumping station 259 Comment
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Apr 5 2011
  CAS-BOT-BC340861  Psorothamnus schottii John Thomas Howell 1928-3-25 3548 Riverside Near entrance to Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC340876  Psorothamnus schottii Philip A. Munz 1937-5-29 15144 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  CAS-BOT-BC340907  Psorothamnus schottii Annie M. Alexander; Louise Kellogg 1941-5-12 2161 Riverside Colorado Desert. Road to Black Eagle Mine, Eagle Mountains 777 Comment
  CAS-BOT-BC340915  Psorothamnus schottii C. L. Hitchcock 1940-3-29 5849 Riverside Ca. 12 mi. east of Indio Comment
  SBBG3320  Psorothamnus schottii H. and M. Dearing 1936-12-25 790 Riverside Thousand Palms Cyn Comment
  UC866004  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  UCD108355  Psorothamnus schottii Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  RSA13819  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  RSA623940  Psorothamnus spinosus Raymond J. Dobbs 1927-3-30 s.n. Riverside Near Palm Springs. Comment
  UC403403  Psorothamnus spinosus H. E. and S. T. Parks Feb. 1929 394 Riverside below Palm Springs (along the desert edges); below Palm Springs Comment
  SEINET12155968  Psorothamnus spinosus Unknown 1936-1 12795 Riverside Colorado Desert N of Palm Springs Comment
  GMDRC6574  Pteridium aquilinum var. pubescens J. M. Andre 2012-6-15 30531 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  RSA263757  Pterostegia drymarioides E. W. Lathrop 1968-6-2 6962 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  POM306721  Purshia tridentata var. glandulosa Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1661 Riverside Santa Rosa Mountains. 1220 Comment
  RSA336052  Purshia tridentata var. glandulosa Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52082 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  RSA86651  Purshia tridentata var. glandulosa F. W. Peirson 1933-4-13 10645 Riverside Between Deep Canyon and Idylwild. 1524 Comment
  RSA0081611  Pyrola aphylla F. W. Peirson 1924-7-27 4988 Riverside Dark Canyon, San Jacinto Mts. 1905 Comment
  SD260958  Quercus Mitch Provqance 2012-9-5 912 15 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 754 Comment
  UCR158951  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31543 Riverside San Jacinto Mtns., upper Bautista Canyon, 0.8 mi. below Tripp Flat Rd. 1128 Comment
  UCR180579  Quercus agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA608245  Quercus agrifolia var. agrifolia Louis C. Wheeler 1960-8-6 7779 Riverside Temescal Canyon: ca. 1 mile E of Glenn Ivy, Wright Ranch. 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
  CAS-BOT-BC516761  Quercus berberidifolia Jeremiah George 2012-8-7 70812 -4 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Pkwy, E of Potrero Blvd 747 Comment
  RSA575898  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside San Mateo Canyon Widerness Area of the Cleveland Nat'l Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  SBBG53758  Quercus berberidifolia S. Boyd 1980-5-15 Riverside Harford Springs County Park, located in NW corner of Gavilan Plateau Comment
  POM296380  Quercus cornelius-mulleri Lyman Benson 1946-4-15 12042 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  SD80953  Quercus engelmannii James Henrickson 1969-5-16 3241 Riverside 5 miles west of Murrieta on Santa Rosa Plateau, 4 miles east of Tenaja campground 609 Comment
  UCR189794  Quercus engelmannii Andrea Salzman, Joseph Gomez 2006-10-6 194 Riverside Peninsular Ranges, Santa Ana Mountains, Santa Margarita Ecological Reserve. 0.7 mi North of Santa Margarita Canyon 427 Comment
  UCR94489  Quercus engelmannii Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills, 'Blue Oak Canyon,' tributary of Dawson Canyon draining N flank of Estelle Mountain. 427 Comment
  RSA0022626  Quercus engelmannii Robert F. Thorne, Earl W. Lathrop, M. Z. Thorne 1985-4-26 s.n. Riverside Santa Rosa Plateau: NE edge of Mesa de Colorado Comment
  SEINET13953550 Image available Quercus kelloggii Carl B. Wolf 1932-1 3992 Riverside San Jacinto Mts. Strawberry Valley, base of Devil's Slide Trail to Tahquitz Valley 1707 Comment
  POM13705  Quercus palmeri P. A. Munz, I. M. Johnston 1922-5-21 5513 Riverside Head of Hemet Valley, along edges of valley from Kenworthy 1524 Comment
  UC848228  Quercus palmeri P. A. Munz and I. M. Johnston 1922-5-21 5513 Riverside Head of Hemet Valley San Jacinto Mts. 1524 Comment
  UCR252761  Quercus suber Karyn L. Drennen 2010-12-6 017 Riverside Santa Ana Mountains, Cleveland National Forest Road (Tenaja Truck Trail) east of turn off to unnamed dirt road, 0.2 km east of entrance to Tenaja Trailhead parking lot 612 Comment
  RSA477128  Quercus turbinella Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1250 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
  CAS-BOT-BC362625  Rafinesquia neomexicana Roxana S. Ferris 1953-3-11 12605 Riverside Crossing on Highway 60-70 of Eagle Mountain Iron Mine Railroad Comment
  JOTR28944  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1180 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA620636  Rafinesquia neomexicana B. Pitzer, O. Clarke, S. Reed, G. Ruiz 1998-3-7 3582 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  SBBG8705  Rafinesquia neomexicana C. H. Muller 1952-4-6 9499 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
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Apr 24 2011
  UCR279343  Rafinesquia neomexicana A. C. Sanders, Jim Malusa 2017-3-23 42944 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 823 Comment
  UC219557  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside meadow n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  SD68980  Ranunculus aquatilis var. diffusus Robert F. Thorne, E. Lathrop, O. Clarke, S. Carlquist 1968-4-18 37457 Riverside Santa Rosa Plateau: vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  RSA400244  Ranunculus cymbalaria var. saximontanus Mark Morris 1929-3-17 14900 Riverside Palm Canyon. Comment
  UCR207268  Ranunculus muricatus O. F. Clarke 2005-3-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM273399  Raphanus sativus Lyman Benson 1932-3-26 3160 Riverside 3 miles N [of] Temecula. 457 Comment
  UCR231042  Rhamnus californica A. C. Sanders, Kent Beaman 2011-9-27 39922 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  UCR154464  Rhamnus ilicifolia Jason L. Hlebakos 2005-5-30 802 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UC18581  Rhamnus tomentella subsp. cuspidata H. M. Hall Jul 1901 Riverside Fuller's Mills Mountains, Fuller's Mills San Jacinto Mountains 1828 Comment
  UCR4137  Rhododendron occidentale Hyrum B. Johnson, S. R. Szarek 1970-11-14 s.n. Riverside San Jacinto Mtns., Fuller Mill Creek, collected below campsites 1555 Comment
  UCR249822  Rhus aromatica T. B. Salvato, John Lovio 2013-3-19 7360 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA613893  Rhus lancea A. C. Sanders, P. Mackay, T. Thomas, G. Helmkamp 1997-2-8 19686 Riverside Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  RSA121771  Rhus ovata A. Lewis 1934-05 440 Riverside 1 mile E. of Ortega Hwy. 945 Comment
  UC2015590  Rhus ovata Scott D. White 1996-3-16 3820 Riverside Perris Basin, Lakeview Mts, N of Winchester, at Maze Stone Picnic Area. Comment
  UCD166229  Rhus ovata Jack Major 1962-4-16 772 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UCR132424  Ribes californicum var. hesperium A. C. Sanders 2004-2-6 27379 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 427 Comment
  SEINET959435  Ribes cereum A. C. Sanders 2006-1 32826 Riverside Schell Creek Range: Canyon c. 0.7 mi. above Rosebud Spring, c. 0.5 mile SW of VABM Connor ( 2633m), 2.5 miles SSW of Hwy 50/93. 2400 Comment
  UCR24929  Ribes cereum var. cereum A. C. Sanders 1980-8-23 1754 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  HSC86990  Ribes indecorum Maureen Pendleton 1988-2-22 Riverside Rancho California area, ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 701 Comment
  UCR122457  Ribes indecorum Scott D. White 1993-3-15 1195 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  POM256960  Ribes malvaceum var. viridifolium W. Pequegnat 1940-1-2 2 Riverside Indian Truck Trail, Santa Ana Mts. 610 Comment
  RSA673630  Ribes malvaceum var. viridifolium Scott D. White, Tasha LaDoux 2000-4-20 7686 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA0022089  Ribes montigenum M. B. Dunkle 1933-7-23 3761 Riverside San Jacinto Peak. 3302 Comment
  CAS-BOT-BC219233  Ribes nevadense Nancy Ryan Zabriskie; Walter Zabriskie 1971-5-16 406 Riverside Beside Banning Road below Pine Cove, W slope San Jacinto Mountains 1524 Comment
  UCR90328  Ribes quercetorum Chet McGaugh 1993-3-10 s.n. Riverside Peninsular Range, S edge of Durasno Valley, c. 6 mi SW of Anza, N foot of Iron Spring Mtn, south of Tule Rd. and just west of Walker Rch Rd. 1402 Comment
  CAS-BOT-BC92172  Romneya coulteri var. coulteri S. B. Parish 1897-5-29 4394 Riverside Temescal. 396 Comment
  CSUSB503  Rorippa nasturtium-aquaticum S. Nelson 1974-5-9 S. N. Riverside Santa Ana River Park, found growing in water near river bank 243 Comment
  UCR25953  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  RSA727336  Rorippa palustris subsp. occidentalis Fred M. Roberts, Sandra Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon: Santa Ana River, across from Green River Golf Course, 0.15 km W Green River Road Bridge. 128 Comment
  RSA725951  Rubus discolor Tom Chester 2006-12-19 979 Riverside Santa Rosa Plateau Ecological Reserve: Santa Rosa Ranch. 549 Comment
  LA20820  Rubus parviflorus W. B. Welch; 1928-5-5 Riverside San Jacinto Mountains, Idlywild Comment
  RSA561071  Rumex conglomeratus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  CAS-BOT-BC433322  Rumex crispus A. J. Mc. 1892-5-1 s.n. Riverside Elsinore Comment
  JOTR32379  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR97506  Rumex hymenosepalus Michael D. Wilcox 1997-1-8 s.n. Riverside In a vineyard c. 2.5 air mi. west of Glen Avon, just east of San Bernardino County line at Milliken Ave. & just south of Riverside Dr. 241 Comment
  UCR90773  Rumex maritimus D. E. Bramlet 1995-5-5 2406 Riverside Perris-Aguanga Basin region, 7.5 km west of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs) 435 Comment
  RSA708174  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR202243  Rumex salicifolius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  POM12801  Rumex salicifolius var. denticulatus P. A. Munz 1922-6-23 5777 Riverside Hemet Valley 1372 Comment
  RSA586294  Rumex salicifolius var. denticulatus D. L. Banks, S. D. Boyd 1995-5-3 204 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
  UC489273  Rumex salicifolius var. denticulatus C. V. Meyer 1928-7-30 586 Riverside Saunders Meadow San Jacinto Mt. 1676 Comment
  SDSU7073  Salazaria mexicana Gerald Collier 1951-5-27 M 440 Riverside Rocky slope 10 yards from roadside State Hwy 74, 4 miles east of Pinon Flats, San Jacinto Mtns. Comment
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Jan 30 2013
  UC506454  Salix exigua Carl Hedin and Joseph Ewan 1932-7-9 7676 Riverside Chico Creek near Prado (Rincon) below Corona Comment
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Dec 11 2011
  POM46946  Salix gooddingii Mary F. Spencer 1918-4-8 813 Riverside Palm Springs. 137 Comment
  SD233938  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  UC492437  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside ca. 800 m from State Inspection Station (on way to Blythe Bridge, overflow land back of Colorado R.) 90 Comment
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Mar 26 2011
  SEINET4855853  Salix gooddingii var. variabilis Carl W. Sharsmith 1932-3-20 14 Riverside Foot of E slope of Santa Rosa Mts., in Diablo Canyon, 3 mi above its mouth, near Clary's Coral Reef Ranch. Comment
  HSC82747  Salix laevigata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54101 Riverside Flood Plain along Whitewater River, 3 mi. N of Whitewater Post Office. 591 Comment
  JOTR35496  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3184 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UCR164069  Salix laevigata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  RSA552716  Salix lasiolepis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA741186  Salix lasiolepis Scott D. White, Justin M. Wood 2008-6-16 12120 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR26204  Salix lasiolepis John C. Roos, L. Roos 1952-3-1 5383 Riverside 2.5 miles north of Moreno by a seep below reservoir 610 Comment
  POM13584  Salix lutea Philip A. Munz 1922-7-6 5980 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CAS-BOT-BC126366  Salix sessilifolia H. M. Hall 1901-6-1 2105 Riverside Eastern base, along the borders of the Colorado Desert Comment
  RSA643438  Salsola paulsenii R. D. Goeden, D. W. Ricker 1979-3-29 s.n. Riverside Coachella Valley: Indio, Monroe St., 33 40' 30''N, 116 16'W -6 Comment
  RSA13284  Salvia apiana P. A. Munz 1922-7-3 5957 Riverside S slopes of Santa Rosa Mts. 1677 Comment
  UCR11353  Salvia apiana Dennis E. Kucera 1971-6-2 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Sunnymead (now part of city of Moreno Valley) 625 Comment
  CLARK-A1528-584  Salvia columbariae C. M. Flanagan 1973-5-20 OO 526 Riverside Morongo Indian Reservation 1158 Comment
  RSA401473  Salvia columbariae N. C. Cooper 1949-4-8 3261 Riverside Palm Springs. 457 Comment
  RSA777786  Salvia columbariae Jim Andre 2011-2-9 15911 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SEINET2066014 Image available Salvia columbariae Noel H. Holmgren, Apatricia K. Holmgren, Ruth E. Kern 1973-3-23 6486 Riverside At the S entrance to Joshua Tree National Monument, near Interstate 10, 24 miles E of Indio. 548 Comment
  RSA295248  Salvia eremostachya N. R. Zabriskie, Walter Zabriskie 1972-3-30 503 Riverside below Pinyon Crest in Chapman s Rancheros area toward Dos Palmas Spring; northwest of Hwy 74 in Santa Rosa Mts. 1098 Comment
  SBBG6390  Salvia eremostachya H. and M. Dearing 1942-3-29 4848 Riverside Dos Palmas Spring, near Palms to Pines Hwy Comment
  UC63771  Salvia mellifera H. M. Hall May 1899 Riverside Reche Canyon Comment
  UCR154409  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-6-15 30942 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CAS-BOT-BC233350  Salvia vaseyi H. M. Hall 1901-5-1 1878 Riverside Eastern base, along the borders of the Colorado Desert, San Jacinto Mountains Comment
  RSA314158  Salvia vaseyi Walter Wisura 1983-7-9 3915 Riverside 5.4 mi from the junction with Hwy 111 along Hwy 74. Comment
  RSA448915  Salvia vaseyi Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  RSA618391  Sambucus mexicana D. L. Banks 1997-5-5 1972 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
  UCR107739  Sambucus mexicana D. L. Banks 1997-5-5 1972 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 S fork of Pechanga Creek 427 Comment
  UCR207188  Sambucus mexicana Darren T. Hasegawa 2007-4-17 s.n. Riverside Peninsular Range, Box Springs Mountain Park, Riverside, c. 1.5 mi. east of 60 fwy. 427 Comment
  RSA0036464  Sambucus nigra subsp. caerulea J. M. Andre 2012-6-15 30530 Riverside Along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest. 1499 Comment
  UCR21933  Sanicula bipinnatifida Steve Boyd 1980-5-2 166 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR56076  Sanicula crassicaulis Ed LaRue 1989-3-30 s.n. Riverside Peninsular Range, Rancho California area: c. 4 mi west of Temecula, with Ave. del Oro as the N boundary 381 Comment
  RSA570233  Sanicula tuberosa Steve Boyd, Timothy S. Ross 1993-3-23 7907 Riverside 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. 732 Comment
  SBBG45008  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Pine Cove 1828 Comment
  UCR21168  Sarcostemma cynanchoides 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
  UC111322  Sarcostemma hirtellum S. B. Parish 1907-4-22 6149 Riverside w. edge Colorado Desert, Palm Canyon 200 Comment
  UC68708  Sarcostemma hirtellum H. M. Hall Apr., 1905 5857 Riverside Canyon Springs Colorado Desert, Canyon Springs Comment
  UC2015583  Schinus molle Scott D. White 1996-2-18 3810 Riverside Perris Basin, Double Butte, NW of Winchester. SE-facing slope of W butte. Comment
  SEINET3837935 Image available Schismus barbatus A. C. Sanders 2010-4-19 37930 Riverside Southern Foothills of Techachapi Mountains: hills and canyons c. 1 mile E of Canyon del Gato Montes, N of the end of 265th St. West, N of the dirt road going NE toward Sacatara Crek (Liebre Twins) 1251 Comment
  UCR226784  Schismus barbatus Jim Andre 2011-2-9 15905 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  RSA583370  Schismus barbatus Steve Boyd, Darin Banks 1995-4-5 8428 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  POM14336  Schoenoplectus maritimus Phillip A. Munz 1922-4-29 5107 Riverside [Sedco] Station, south of Elsinore. Comment
  RSA502196  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3704 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  POM10106  Scrophularia californica subsp. floribunda Charlotte M. Wilder 1904-4-30 139 Riverside West Riverside. Comment
  RSA660915  Scrophularia californica subsp. floribunda Mitch Provance 1998-5-4 1713 Riverside SW ''Rattlesnake Mt.'', above the Ormand Quarry, ca. 1.5 km W of peak 1739. 366 Comment
  UCR133501  Scutellaria tuberosa D. C. Hawks 1998-4-20 s.n. Riverside Gavilan Hills, near base of Gavilan Peak 640 Comment
  UCR57228  Scutellaria tuberosa Jeri Hirshberg 1989-5-2 s.n Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UC668414  Selaginella bigelovii Annie M. Alexander and Louise Kellogg 1941-4-22 2062 Riverside White Water Canyon; Colorado Desert 548 Comment
  POM47173  Selaginella eremophila Mary F. Spencer 1920-4-1 1468 b. Riverside desert near Palm Springs 121 Comment
  RSA0123355  Selaginella eremophila Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9049 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA523511  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3971 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  UC35949  Senecio californicus E. L. Koethen April 1897 18 Riverside Plains Comment
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Mar 12 2011
  UCR106418  Senecio californicus George K. Helmkamp, A. C. Sanders 1997-3-15 1493 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR113178  Senecio californicus A. C. Sanders 1998-3-11 21685 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
  RSA0125051  Senecio californicus Henry J. Ramsey, Henry J. Ramsey 1959-4-22 s.n. Riverside Aguanga. Comment
  SEINET11802934  Senecio californicus H. M. Hall 1903-1 3721 Riverside vicinity of Riverside, Upper Sonoran Zone 610 Comment
  CAS-BOT-BC323992  Senecio flaccidus var. douglasii Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at N base of Santa Rosa Mts. 1036 Comment
  SD136897  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mountains, San Mateo CAnyon Wilderness Area of the Cleveland National Forest. 359 Comment
  UC64814  Senecio flaccidus var. douglasii E. E. Schellenger 1904-10-15 42 Riverside between Cabazon and Whitewater Comment
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Mar 13 2011
  UCSB7410  Senecio flaccidus var. douglasii Ferris, R.; Bacigalupi, Rimo 1953-4-20 Riverside Road to Las Palms Canyon, ca. 4 miles N. of Shaver Summit Comment
  JOTR35342  Senecio mohavensis Harding, Mitzi, Mark Wheeler 2012-2-28 108 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  UC1128900  Senna armata H. S. Yates 1936-4-7 5444 Riverside 8 mi. n. Mecca; Thermal Quad. Comment
  RSA0041956  Senna covesii Duncan S. Bell, Marcel Beffort 2014-4-22 6599 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  SBBG87835  Senna covesii A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6073 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  NY468463  Senna obtusifolia L. Ede 1989-8-19 s.n. Riverside S. of Blythe in the Palo Verde Valley, ca. 1 mile N of the Imperial County line. Norton Farms Comment
  CLARK-A1528-2876  Sesbania exaltata John C. Roos 1937-8-22 1211 Riverside Blythe Comment
  UCR39359  Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside lower Coachella Valley, near Oasis, Hwy 195, c. 1/2 mi. north of intersection with Hwy. 186 52 Comment
  UCR174566  Sherardia arvensis Jennifer H. Jones 2006-5-1 291 Riverside Foot of Box Springs Mtns. east of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  NY180312  Sibaropsis hammittii S. D. Boyd 1992-3-31 6771 Riverside Santa Ana Mountains, Elsinore Peak (USGS Wildomar 7.5' quadrangle) 3320 Comment
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Nov 10 2010
  RSA162852  Sidalcea malviflora subsp. sparsifolia John Olmsted 1958-6-15 176 Riverside May Valley Truck Trail 2 mi. SE of Saunder s Meadow SW of Idyllwild Calif. (turn S from Idyllwild-Hemet Rd. at Idyllwild school.) 1646 Comment
  UC871471  Sidalcea malviflora subsp. sparsifolia Mary F. Spencer 1922-4-25 2016 Riverside near Banning (Lamb's Canyon) 701 Comment
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Mar 13 2011
  CAS-BOT-BC109421  Sidotheca emarginata Peter H. Raven 1958-5-18 13002 Riverside Pinon Flats, San Jacinto Mountains. Comment
  SD1636  Silene gallica Frank Stephens 1926-1 Riverside Aguanga. Comment
  UCR149995  Silene gallica Scott D. White, Angelia Carey 2004-4-16 10188 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  SD119376  Silene parishii Reid Moran 1973-7-28 21109 Riverside At summit of Toro Peak, Santa Rosa Mountains. 2500 Comment
  UCR23678  Silene parishii John C. Roos 1936-9-15 2515 Riverside San Jacinto Mountains, Devil's Slide Trail above Idyllwild. Comment
  RSA701743  Silene verecunda Steve Boyd, Valerie Soza 2004-6-22 11540 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  UC64150  Silene verecunda subsp. platyota H. M. Hall July, 1901 2550 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2194 Comment
  LA93939  Simmondsia chinensis A. L. Grant; 1932-5-7 149 Riverside Santa Rosa Mountains, Martinez Canyon Comment
  RSA543764  Simmondsia chinensis Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6064 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SD80147  Simmondsia chinensis Nancy Ryan Zabriskie, Walter Zabriskie 1971-3-7 354 Riverside Andreas Canyon, east slope San Jacinto Mountains 359 Comment
  UCR261147  Sisymbrium erysimoides A. C. Sanders, Katie Young, John Hale 2015-4-22 41590 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
  UC1921998  Sisymbrium irio Scott D. White, Angelia Carey 2004-5-7 10338 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  RSA598678  Sisyrinchium bellum Louis C. Wheeler 1948-8-28 6702 Riverside San Jacinto Mountains. Wellman's Cienega. 2896 Comment
  OBI37466  Solanum douglasii Patricia Tomlinson 1981-5-15 18 Riverside Orchards at University. Along the water canal (now mostly dry) just S of water reservoir, 0.1 mi S of Pennsylvania Ave and E of Chicago Ave Comment
  SD124152  Solanum douglasii Barry A. Prigge 1980-8-12 3951 Riverside San Bernardino Mts, Whitewater Canyon: 0.7 miles WNW of trout farm. Meadow on west side of canyon 719 Comment
  RSA784316  Solanum elaeagnifolium J. D. Olmsted 1959-4-18 421 Riverside Foot of Box Springs Mts. Drainage area towards Perris. Along Hwy 395 N of March Air Base. 457 Comment
  NY820624  Solanum umbelliferum S. D. Boyd 1992-3-31 6741 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. in N-fork Bear Creek 671 Comment
  POM4168  Solanum umbelliferum H. M. Hall 1902-4-21 2929 Riverside Vicinity of Riverside, Gavilan hills. 457 Comment
  RSA552755  Solanum umbelliferum Steve D. Boyd, Tim S. R