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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR67732  Abies concolor Frank C. Vasek 1977-11-25 771125- 02 Riverside San Jacinto Mtns., area around Boulder Basin Campground, just below Black Mountain look-out Comment
  CAS-BOT-BC229335  Abronia villosa Lewis S. Rose 1966-12-11 66098 Riverside Palm Springs 152 Comment
  SEINET893717  Abronia villosa Norman C. Cooper 1944-1 1104 Riverside Cabazon. 457 Comment
  JEPS79801  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
Read comments
Mar 24 2011
  POM123198  Abronia villosa var. aurita Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC851650  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake, By road Hemet Lake 1300 Comment
  UCR180340  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR92292  Abronia villosa var. aurita Scott D. White 1995-8-23 3588 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  JEPS90901  Acacia greggii W. L. Jepson 1912-10-29 5246 Riverside Riverside Mountains, along the Colorado River, Needles to Yuma Colorado River; Riverside Mountains, Colorado River 91 Comment
  UCR9834  Acamptopappus sphaerocephalus K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  RSA416162  Acamptopappus sphaerocephalus var. sphaerocephalus Bonnie C. Templeton, I. W. Clokey 1930-4-9 1052 Riverside North of Palm Springs. Colorado desert 400 Comment
  RSA263761  Acer macrophyllum E. W. Lathrop 1971-3-24 7480 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UC29246  Achillea millefolium H. M. Hall 1897-1-1 Riverside San Jacinto Mountains Comment
  RSA544402  Achnatherum coronatum Steve Boyd, Timothy S. Ross 1991-6-14 6370 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SEINET4692071 Image available Achnatherum coronatum Barry A. Prigge 1980-1 3830 Riverside San Bernardino Mountains, Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  POM365985  Achnatherum hymenoides Bonnie C. Templeton 1930-4-9 1018 Riverside Palm Springs 400 Comment
Read comments
Aug 28 2011
  SEINET260234 Image available Achnatherum latiglume M. Curto, LS Allen 1991-6-26 766 Riverside San Bernardino National Forest ; Thomas Mt nr former lookout tower site summit rd SW off San Bernardino NF Rd 5S15 2060 Comment
  RSA0019788  Achnatherum parishii subsp. parishii April Garbat, Kristin Forgrave, Naomi Fraga, Tyler Schappe 2013-5-21 70 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  NY1084567  Achyronychia cooperi N. H. Holmgren 1973-3-22 6469 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  OBI8297  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12060 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  UCR214874  Achyronychia cooperi A. C. Sanders 2010-3-15 37388 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  VVC165  Achyronychia cooperi F. Zaebst 1954-2-3 s.n. Riverside Colorado Desert, On gas pipe rd. 1.8 miles E of Jct w US 60, 8.2 mi E of Desert Center 246 Comment
  SD37813  Acmispon argophyllus var. argophyllus Edith A. Purer 1935-4-21 6475 Riverside Near Palm Springs, western edge of the Colorado Desert Comment
  RSA0121434  Acmispon heermannii var. heermannii Duncan S. Bell, LeRoy Gross 2016-3-30 9143 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA0042854  Acmispon rigidus Duncan S. Bell, LeRoy Gross 2014-3-20 6274 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SEINET5327595  Acmispon strigosus H. M. Hall 1905-4-20 5830 Riverside Colorado Desert, lower Sonoran Zone, Mecca 61 Comment
  UC1294021  Acourtia microcephala E. K. Balls 1958-6-27 23297 Riverside 6.9 mi nw from jct with Main Divide, by locked gate Indian Truck Trail; Santa Ana Mts. Comment
  UCR113253  Acourtia microcephala Mitch Provance, J. S. Ross 2000-7-21 2160 B Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  RSA0097954  Adenostoma fasciculatum Duncan S. Bell 2014-11-14 7719 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR174126  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32634 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  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
  UCR199634  Adenostoma fasciculatum Scott D. White 2004-4-26 10244 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA666640  Adenostoma fasciculatum var. fasciculatum A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24995 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  RSA535476  Adiantum jordanii Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6654 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  UCR92229  Adiantum jordanii D. L. Banks, Steve Boyd 1995-5-9 419 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
  POM123023  Agoseris retrorsa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR90275  Agrostis pallens Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3335 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR80519  Alchemilla occidentalis D. E. Bramlet, M. Zalejko 1991-5-1 2108 Riverside Shipley Multi-Species Reserve, small valley some 2 km south of Crown Valley and 1.3 km east of Rawson Canyon, 167m SE of knoll 2283 ft., on a N facing slope above a blue-line stream 707 Comment
  RSA469418  Aliciella latifolia Robert Gustafson 1980-4-3 1520 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA469420  Aliciella latifolia M. B. Dunkle 1932-3-25 2919 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  UC119988  Allium burlewii A. W. Anthony 1895-7-7 Riverside San Jacinto Mts. 2743 Comment
  RSA0048296  Allium burlewii A. L. Haines 1951-5-19 5145 Riverside Fern Basin Camp, San Jacinto Mts. 2133 Comment
  CAS-BOT-BC131983  Allium haematochiton Marcus E. Jones 1931-3-2 28594 Riverside Corona Comment
  OBI18921  Allium haematochiton David J. Keil, Malcolm McLeod 1979-3-18 12972 Riverside Alberthill Jctn along hwy 71 366 Comment
  RSA716726  Allium haematochiton Fred M. Roberts 2005-5-13 6190 Riverside Santa Ana Mtns.: vicinity of Elsinore Peak, along Main Divide Truck Tail, 0.72km W summit of Elsinore Peak. 1006 Comment
  UCD138536  Allium haematochiton C. L. Hitchcock 1966-3-15 24154 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR172760  Allium haematochiton Abby Sirulnik, Ian G. Gillespie 2000-5-14 47 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR29139  Allium haematochiton David J. Keil, M. G. McLeod 1979-3-18 12972 Riverside Peninsular Range, Alberhill Junction along Hwy 71 366 Comment
  SD136977  Allium lacunosum var. davisiae Steve Boyd, Tim Ross 1992-5-15 7386 Riverside Southern Santa Ana Mts, SE flank of Elsinore Peak at 'Onion Hill', grassy knoll of clay soil ca. Ao mile SE of radio towers, along old Main Divide Rd track. N & W sides of hill in semi-barren scurry zone at contact between grassland & chaparral. 1021 Comment
  UCR261555  Allium marvinii John F. Green 2015-4-30 s.n. Riverside San Bernardino Mtns. Foothills, powerline route in hills north of Banning and west of Banning Canyon, east of Moore St. 898 Comment
  UCR217543  Allium munzii Diane Menuz 2008-4-30 438 Riverside Perris-Hemet Basin, SW of the city of Hemet, north of Diamond Valley Lake on Domenigoni Hills; c. 1.3 km SE of Simpson Ave. and Warren Rd. intersection 577 Comment
  RSA70238  Allium peninsulare F. W. Peirson 1930-5-10 8773 Riverside St. Johns Grade. south of Hemet 610 Comment
  SJSU7122  Allium peninsulare N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3-4 mi E of Elsinore 396 Comment
  UCR193986  Allophyllum A. C. Sanders 2008-7-25 35922 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  JEPS69413  Allophyllum gilioides subsp. violaceum W. L. Jepson 1901-5-24 1416 Riverside Santa Rosa Mts., Van Deventer Flat 1432 Comment
Read comments
Aug 12 2013
  UC1483922  Allophyllum glutinosum C. W. Tilforth and B. Busenberg 1980-6-10 1978 Riverside 1 mi. s. Lake Hemet (0.1 mi. in from Hwy. 74 on n. leg of Thomas Mt. Rd.) 1386 Comment
  SDSU13508  Alnus rhombifolia W. Miller with C. Mosse 1972-7-19 Riverside 200 yards upstream of river, south side (from beaver dam). Comment
  RSA751510  Aloysia wrightii Jim Andre, Tasha La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: along Bell Mtn. Rd., atop Bell Mtn. approx 0.3 mi. N of radio tower. 1359 Comment
  UCR174323  Amaranthus albus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23172 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  SD146064  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside San Jacinto Mountains; McMullen Flat at Valley High County Park, 0.7 mile southeast of Highway 74 on Twin Pines Ranch Road. 1029 Comment
  UCR119445  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, east side of Streeter Ave. just south of Scott Ave., between Arlington and Central Aves. 238 Comment
  RSA0080447  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR94925  Amaranthus palmeri Scott D. White 1996-9-22 4533 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  JEPS54324  Amaranthus retroflexus M. and J. Lesley Oct 1929 Riverside Riverside Comment
  JOTR35518  Ambrosia acanthicarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3338 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  UC2047211  Ambrosia acanthicarpa A. C. Sanders with Sandra L. Leatherman, Jeff Crain 2015-5-18 41712 Riverside Temescal Valley near Glen Ivy, along Temescal Canyon Road at Campbell Ranch Road intersection. Lake Mathews 7.5' Quad. Comment
  CAS-BOT-BC22599  Ambrosia dumosa C. L. Hitchcock 1940-3-29 5860 Riverside Cottonwood Canyon, ca. 100 yards E of spring Comment
  JOTR31877  Ambrosia dumosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2131 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  RSA608660  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  RSA695719  Ambrosia dumosa Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  RSA792580  Ambrosia dumosa Aaron C. Sedgwick, Joella Simons Adkins 2012-11-8 161 Riverside Chuckwalla Valley - On DuPont Rd. The population is generally limited to within 30 ft. of the road. The population is scattered, but continues for several miles from the intersection with Chuckwalla Valley Rd. 168 Comment
  SBBG29419  Ambrosia dumosa D. Myrick 1968-3-4 1801 Riverside Desert Hot Springs 304 Comment
  UCR41219  Ambrosia dumosa N. M. Fellows 1985-3-3 76 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
  UCSB6546  Ambrosia dumosa Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99; western edge of the Colorado Desert Comment
  UCR250383  Ambrosia pumila A. C. Sanders, John F. Green 2014-4-4 40966 Riverside Peninsular Range; Elsinore Trough, N of Elsinore near Alberhill, at intersection of Baker St. and Pierce St. 389 Comment
  LA203739  Ambrosia salsola Carl Epling; March 1927 sn Riverside Palm Springs Comment
  UCR35167  Amelanchier utahensis L. B. Ziegler 1968-5-15 297 Riverside San Jacinto Mountains, Hemet Valley, Quinn Flat area 1402 Comment
  UC489216  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside Idyllwild Grade San Jacinto River (foot) Comment
  CAS-BOT-BC226261  Amsinckia intermedia A. C. Sanders; Nathan Moorhatch 2011-3-22 38787 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  CLARK-A1528-324  Amsinckia intermedia Bruce Freeman 1968-4-14 680414-3 Riverside Riverside 365 Comment
  CSUSB987  Amsinckia intermedia Osman 1976-4-26 S-76 44 Riverside 4 miles west of freeway 395, along Van Buren Blvd., near March Air Force Base 274 Comment
  RSA613322  Amsinckia intermedia D. L. Banks 1997-3-1 1387 A 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
  JOTR30103  Amsinckia menziesii La Doux, Tasha, Bill Truesdell 2008-3-18 1669 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  RSA499877  Amsinckia menziesii E. A. McGregor 1965-4-20 s.n. Riverside Near Aguanga, along Rt. 79. Comment
  SEINET3083521 Image available Amsinckia menziesii J. Hirshberg 1989-3-20 Riverside Santa Rosa Plateau, S of town of Murrieta; SW of Mesa de Burro. Comment
  UCD119761  Amsinckia menziesii A. C. Sanders; G. Helmkamp 1997-3-15 19982 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill. Comment
  UCR22049  Amsinckia menziesii Steve Boyd 1980-4-27 140 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA0125286  Amsinckia tessellata Duncan S. Bell 2016-3-4 8791 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  JOTR34229  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3082 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  RSA703377  Amsinckia tessellata var. tessellata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1412 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC1168706  Amsinckia tessellata var. tessellata Peter H. Raven 1958-3-16 11858 Riverside Joshua Tree National Monument Comment
  UCR89654  Amsonia tomentosa Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  RSA19239  Amsonia tomentosa var. tomentosa I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  UCR3413  Anagallis arvensis H. M. Whistler 1964-5-10 640510- 01 Riverside City of RIverside; UCR campus at 3401 Avocado, in lawn 335 Comment
  JOTR01230  Anisocoma acaulis Cole, James E. 1941-5-30 834 Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  SBBG101795  Anthriscus caucalis S. Boyd 1991-5-10 6214 Riverside just N of mouth of Hagador Cyn at bottom of Skyline Drive 426 Comment
  CLARK-A1528-838  Antirrhinum coulterianum C. M. Flanagan 1973-5-31 OO 649 Riverside Morongo Indian Reservation Comment
  HSC84222  Antirrhinum coulterianum H. A. Heaton 1987-5-2 14 Riverside San Jacinto Mtns., 2.1 mi. up Bee Canyon from Hwy. 74 732 Comment
  SEINET1004377  Antirrhinum coulterianum T. B. Salvato, Kent Beaman 2005-1 851 Riverside San Jacinto Mtn foothills: San Jacito River E of Valle Vista just downstream from the Forest Service boundry and N of CA Hwy 74 549 Comment
  RSA614021  Aphanes occidentalis D. L. Banks 1997-3-6 1400 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  HSC21458  Apiastrum angustifolium C. L. Hitchcock 1966-3-16 24188 Riverside About 5 mi. NE of Aguanga Comment
  RSA699817  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR183003  Apiastrum angustifolium Mitch Provance 2003-5-5 4406 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UC1922739  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. Lake Fulmore 7.5' Quad. Comment
Read comments
May 6 2020
  UCR1593  Apium graveolens R. L. Needham 1962-5-8 10043 Riverside Riverside, base of spillway at WNW corner of Lake Evans [Fairmont Park] 245 Comment
  SD136932  Apocynum cannabinum Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7327 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon, along stream from Los Alamos Canyon to Tenaja Canyon 365 Comment
  POM366954  Aquilegia formosa var. truncata E. A. McGregor 1954-9-16 s.n. Riverside Idyllwild, San Jacinto Mountains Comment
  UC809719  Arabis Philip A. Munz 1949-4-13 13049 Riverside above Cottonwood Springs; Colorado Desert, Eagle Mts. 1097 Comment
  UC855414  Arabis glaucovalvula P. A. Munz and I. M. Johnston 1922-5-7 5251 Riverside 2 mi w Keyes Ranch; Little San Bernaridno Mts. 1066 Comment
  UCR27149  Arabis johnstonii T. P. Krantz 1982-4-22 S.N. Riverside San Jacinto Mtns., Pebble plain along bench east of Garner Valley, near Quinn Flats. 1372 Comment
  RSA162729  Arabis pulchra John Olmsted, J. D. Olmsted 1958-3-29 72 Riverside North of Cottonwood Springs, which is 8 miles north of thesouthern entrance to Joshua Tree Nat. Mon. with interior drainage to Pinto Basin and just off the Cottonwood Pass road. 991 Comment
  UCR80814  Arabis sparsiflora Scott D. White 1993-5-29 1474 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  RSA629150  Arctostaphylos Jon E. Keeley 1992-7-17 16765 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629170  Arctostaphylos Jon E. Keeley 1992-7-17 16796 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  UCR54263  Arctostaphylos A. C. Sanders, E. J. Lawlor 1988-10-22 8731 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA629389  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19510 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629451  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16566 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629471  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16834 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR273499  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42598 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  UC1137196  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-4-13 Riverside ne face Santiago Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  UC1137202  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-6-19 Riverside main divide road between Pleasants Peak and Bedford Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  RSA629427  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16843 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UC1120226  Arctostaphylos glandulosa subsp. zacaensis R. St. John 1929-3-15 14 Riverside Poppet Valley San Jacinto Quadrangle Comment
  RSA484734  Arctostaphylos glauca A. C. Sanders, E. J. Lawlor 1988-10-22 8731 Riverside Santa Rosa Mountains Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA631730  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19290 Riverside Highway 79, at Radec. 580 Comment
  RSA633533  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20151 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633585  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22529 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633658  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1994-4-27 25350 Riverside North side of Santa Rosa Mountain. 1900 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
  RSA633693  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21777 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633713  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16652 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633754  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16678 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  LA42227  Arctostaphylos patula Harlan Lewis; 1939-10-21 1011 Riverside 1523 Comment
  CAS-BOT-BC44372  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  JEPS22254  Arctostaphylos pringlei subsp. drupacea Otto Solbrig 1958-3-21 2515 Riverside on road from Idyllwild to Banning; San Jacinto Mountains, Pine Cone Summit 1920 Comment
  SEINET10684105  Arctostaphylos pringlei subsp. drupacea Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 15 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  UCD105733  Arctostaphylos pringlei subsp. drupacea K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 15 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  RSA635806  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16549 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  RSA635811  Arctostaphylos pungens Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20103 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  UCR201630  Arctostaphylos pungens Scott D. White, Justin M. Wood 2008-6-16 12119 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  RSA635991  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19536 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  CAS-BOT-BC401605  Argemone corymbosa subsp. corymbosa J. H. Thomas 1949-4-23 455 Riverside 9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice Comment
  UCR158721  Argemone munita A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30014 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC207133  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  JOTR35289  Aristida adscensionis Andre, Jim 2012-4-11 20782 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  UCR256798  Aristida adscensionis T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7874 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCSB38733  Aristida adscensionis Cowan, Clark 1978-4-23 Riverside 12.1 mi S on Hwy 74 from jct with Hwy 111 at Indian Wells; Whittacker transect #W-220 Comment
  POM147635  Aristida purpurea var. nealleyi F. M. Reed 1927-3-20 5479 Riverside Eagle Canyon - at junction with Salt Creek. Colorado Desert. Comment
  RSA0034601  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside Gilman Hot Springs, San Jacinto Valley. Comment
  RSA703454  Aristida purpurea var. wrightii R. E. Riefner Jr. 2004-6-26 04 -210 Riverside Back basin of Lake Elsinore, west off Pete Lehr Drive from Diamond Stadium along berm road. 381 Comment
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Feb 28 2016
  UCR103738  Artemisia californica A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21617 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  UCR114341  Artemisia douglasiana Mitch Provance, S. D. Boyd 1999-9-14 1783 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  SBBG7642  Artemisia ludoviciana H. and M. Dearing 1937-11-28 2538 Riverside Santa Rosa Mtn Comment
  UC205742  Artemisia ludoviciana subsp. incompta S. B. Parish 1918-4-3 11699 Riverside San Jacinto River Canyon; Oak Lodge 914 Comment
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Nov 20 2011
  POM30384  Artemisia tridentata subsp. tridentata Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  UC1782173  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  SEINET3081972 Image available Asclepias californica Andrew C. Sanders, B. Pitzer 1986-4-30 6488 Riverside San Jacinto Mtns; head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  RSA674619  Asclepias eriocarpa Scott D. White, Sandy Leatherman 2000-5-31 7978 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA782135  Asclepias erosa Stephanie Rockwood, Christi Gabriel 2011-10-18 131 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
  SDSU2736  Asclepias erosa D. F. Howe 1963-5-15 3482 Riverside 18 miles east of Desert Center on U.S. 60 or 70. 152 Comment
  SEINET3081693 Image available Asclepias erosa E. R. Blakley B- 1559 Riverside 20 mi West of Blyth 168 Comment
  UCSB12491  Asclepias erosa Breedlove, Dennis 1961-9-11 Riverside 20 mi. W of Blythe on U.S. 60-70 1066 Comment
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Mar 29 2014
  SD224819  Asclepias subulata B. Pitzer 1996-11-9 2927 Riverside Orocopia Mts: Bob's Cabin, ca 4 rd mi. N of Salt Creek Rd & 4.5 air mi. S of the W end of Hayfield Lake. Hayfield 15' USGS Quad. 609 Comment
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Mar 14 2015
  POM177825  Aspidotis californica Marcus E. Jones 1930-3-5 265 I9 Riverside Glen Ivy Comment
  SDSU17486  Aspidotis californica Jerry Jenkins 2001-3-30 2001 -006 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  CAS-BOT-BC177459  Astragalus aridus Edmund C. Jaeger 1939-4-7 s.n. Riverside Boulder Well, near Desert Center, Colorado Desert Comment
  CAS-BOT-BC177462  Astragalus aridus Roxana S. Ferris 1953-3-9 12599 Riverside Near junction of U.S. 60 & 70 with Desert Hot Springs road Comment
  UC700951  Astragalus aridus Aven and Ruth Nelson 1939-3-30 3343 Riverside between Mecca nd Blythe on old road between Mecca nd Blythe on old road (hiway 60) Comment
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Feb 3 2011
  CAS-BOT-BC177515  Astragalus bernardinus Peter H. Raven 1958-5-5 12896 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  CAS-BOT-BC177733  Astragalus crotalariae Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CAS-BOT-BC178438  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside Near Idyllwild. Comment
  CAS-BOT-BC178442  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  UC862990  Astragalus douglasii var. parishii Carl B. Wolf 1932-8-4 3923 Riverside on road to Banning 1 1/2 mi from Idyllwild (Strawberry Valley, San Jacinto Mts.); San Jacinto Mts., Strawberry Valley, 1 1/2 mi fr Idyllwild 1706 Comment
  RSA415713  Astragalus filipes N. C. Cooper 1944-7-15 1595 Riverside Palms to Pine Hwy 1463 Comment
  UC527315  Astragalus filipes C. B. Wolf 1931-5-11 1952 Riverside near Pipe Creek (Hemet Valley, San Jacinto Mts.); San Jacinto Mts., near Pipe Creek, Hemet Valley 1615 Comment
  RSA92568  Astragalus gambelianus J. C. Roos, L. Roos 1952-5-19 5689 Riverside On hills N of Moreno. 518 Comment
  CAS-BOT-BC186902  Astragalus insularis var. harwoodii C. L. Hitchcock 1966-3-21 24331 Riverside 15 mi. s. of Rice, on dirt road to Blythe Comment
  UCR228163B  Astragalus insularis var. harwoodii Dave Silverman, Fred T. Sproul, Tammie Beyerl, Erin Bergman 2010-3-29 7877 B Riverside Sonoran (Colorado) Desert, East end of Chuckwalla Valley, W of Blythe, 615 m S of gas line frontage, 1.35 km S of I-10 and 7.4 km west of Nicholl's Warm Spring 155 Comment
  JOTR34152  Astragalus lentiginosus var. coachellae Andre, Jim, G. L. Clifton and T. La Doux 2011-2-22 17466 Riverside OUTSIDE PARK BOUNDARY. Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N. Indian Cyn Drive 185 Comment
  RSA415585  Astragalus lentiginosus var. coachellae George B. Grant 1906-5-10 1931 Riverside Palm Springs. Comment
  SD204885  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. 366 Comment
  UC126875  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater , Whitewater (Colorado Desert) 240 Comment
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Feb 1 2011
  JOTR33872  Astragalus lentiginosus var. variabilis La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3048 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  UC667335  Astragalus lentiginosus var. variabilis Annie M. Alexander and Louise Kellogg 1941-5-4 2112 Riverside Joshua Tree National Monument 1249 Comment
  UCR33614  Astragalus lentiginosus var. variabilis Sears 1978-4-12 1173 Riverside Sonoran (Colorado) Desert, 5 mi northeast of Desert Center on road to Rice 165 Comment
  JOTR30255  Astragalus nuttallianus var. imperfectus Leary, C. and Leary, Pat 1979-5-6 3027 Riverside Joshua Tree National Park. ca. 1.0 airmiles S.E. of Quail Mtn, Joshua Tree N.M., T2S R7E sec 14 Comment
  CAS-BOT-BC194130  Astragalus pomonensis Peter H. Raven; Sidney R. Snow 1956-7-6 9656 Riverside 0.3 miles from U.W. Highway 60 on State Highway 79 on route to Gilman Hot Springs Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  RSA651408  Astragalus pomonensis Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 609 Comment
  SBBG120068  Astragalus pomonensis A. C. Sanders, K. Volansky 2005-3-17 29216 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR180132  Astragalus pomonensis Mitch Provance 2003-4-26 9889 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  POM26331  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n Riverside Indio. Comment
  JOTR29377  Astragalus tricarinatus La Doux, Tasha, Mike Bell 2006-5-10 1454 Riverside Joshua Tree National Park. East Deception Canyon, near park boundary Comment
  RSA418191  Atrichoseris platyphylla Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  SD103973  Atrichoseris platyphylla J. L. S. Simpson 1964-3-22 Riverside Near the Colorado River beyond Blythe Comment
  UCR101545  Atriplex argentea C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  RSA452377  Atriplex canescens S. B. Parish 1912-10-11 8256 Riverside Caleb, Salton Basin. -61 Comment
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Sep 4 2011
  UC538043  Atriplex canescens W. M. Ingram October 1934 Riverside Edom Comment
  UC850848  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4324 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  CLARK-A1528-395  Atriplex canescens subsp. linearis Frank C. Vasek 1969-10-14 Riverside Riverside Comment
  RSA5349  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 1606 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  RSA5450  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  UCR274785  Atriplex canescens var. macilenta Stephanie Rockwood, Christi Gabriel 2011-10-18 125 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 96 Comment
  RSA516693  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside southeast of Bernasconi Hills. T4S R3W section 23. 433 Comment
  RSA754841  Atriplex coronata var. notatior D. E. Bramlet, Jeff Crain 2009-5-18 4387 Riverside Perris Basin: San Jacnto River floodplain at 12th Street 122 m east of the river and 1.19 km west of Lakeview Avenue 431 Comment
  UCR66970  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2050 Riverside 2.3 km south of Perris, just east of Perris Valley Airport, c. 400 m east of N part of runway; c. 500 m south of Case Road. 433 Comment
  RSA0009703  Atriplex elegans var. fasciculata Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  CAS-BOT-BC248269  Atriplex glauca R. E. Riefner, Jr. 2002-12-12 02 -521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  RSA727010  Atriplex polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1416 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA596677  Atriplex semibaccata D. L. Banks, Lauren Raz 1996-11-5 1182 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 0.2 miles E of San Gabriel Church, across from the local cemetery. 378 Comment
  UCD97788  Atriplex serenana Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3731 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  UCR75526  Atriplex suberecta A. C. Sanders 1993-5-17 14062 Riverside San Jacinto Valley, Hemet, south side Florida Ave (Hwy 74) on east side of California Ave. 460 Comment
  POM319732  Atriplex subspicata Patricia Wilder 1971-11-11 5291 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR4328  Atriplex triangularis O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  RSA0067890  Avena barbata Starr Streight 1982-4-17 20 Riverside Cajalco Road, 0.7 miles east of I-15; South of Corona. Comment
  RSA557315  Azolla filiculoides Julie Greene, S. D. Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1418 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  POM253447  Baccharis brachyphylla E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA45533  Baccharis brachyphylla J. C. Roos 1949-4-2 4133 Riverside Near Palm oasis in the side canyon of Whitewater Canyon. 549 Comment
  SEINET3005004  Baccharis brachyphylla G. Rink 2011-4-4 10433 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UCR264222  Baccharis brachyphylla A. C. Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  SEINET2045176 Image available Baccharis emoryi A. C. Sanders, S. White & C. L. Sanders 1994-10-9 15819 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell: T2S, R3ESE4 S27SW4S26 549 Comment
  RSA25156  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6408 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA701559  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR241253  Baccharis salicifolia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1205 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR97239  Baccharis salicifolia Scott D. White 1997-2-9 4674 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  JEPS21286  Baccharis salicifolia subsp. salicifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1581 Riverside near Corona Comment
  SDSU13511  Baccharis salicifolia subsp. salicifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  UC1871349  Baccharis salicina Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8200 Riverside Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). T6S R5W W/2 SE/4 sec. 22. E/2 NW/4 sec. 27. Elev. 2880 - 2480 ft. Comment
  UCR199605  Baccharis salicina Scott D. White, J. Campbell 2008-4-18 11900 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area 366 Comment
  UCSB23643  Baccharis salicina McMinn, H. 1928-6-27 Riverside Anza to Palms to Pines Highway Comment
  CAS-BOT-BC99875  Baccharis sergiloides Geo. B. Grant 96 -6746 Riverside Palm Springs Comment
  CAS-BOT-BC99876  Baccharis sergiloides Ralph Hoffmann 1931-6-15 s.n. Riverside 49 Palms Canyon near 29 palms Comment
  SD218272  Baccharis sergiloides Mark A. Elvin 2004-4-9 3256 Riverside Little San Bernardino Mountains; UC Burn's Pinyon Ridge Reserve, ca. 1.5 miles east of Pioneertown, east of Burn's House. 1264 Comment
  VVC1349  Baccharis sergiloides A. C. Sanders, J. Mac 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  RSA644197  Bahiopsis laciniata Scott D. White, Mike Wilcox 1995-7-11 3465 Riverside Southwest of Main Divide Truck Trail, above Decker Canyon. 730 Comment
  RSA442014  Bahiopsis parishii N. C. Cooper 1944-4-8 1077 Riverside Andreas Canyon. 305 Comment
  RSA552540  Bahiopsis parishii D. Charlton 1987-12-6 1099 Riverside Cottonwood Canyon, first canyon west of Whitewater. North of the 10 freeway. North of Palm Springs. Foothills of San Bernardino Mtns. 762 Comment
  CAS-BOT-BC99952  Baileya pauciradiata Lewis S. Rose 1935-12-22 35684 Riverside 2 mi. E. of Palm Springs 91 Comment
  CAS-BOT-BC99962  Baileya pauciradiata N. Aitkenhead 1977-2-1 2110 Riverside 1000 Palms Sand Dune Natural Area Comment
  POM350660  Baileya pauciradiata George B. Grant 1906-4-20 6709 Riverside Palm Springs. Comment
  CAS-BOT-BC106614  Baileya pleniradiata Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colorado Desert Comment
  RSA0089860  Baileya pleniradiata Dean Wm. Taylor 2003-5-7 18544 Riverside 1 mi SE of Steele Peak, 0.4 miles NNW of Good Hope Mine, under electrical transmission line corridor. 579 Comment
  RSA669575  Baileya pleniradiata D. E. Harvey 1969-4-20 690420 -3 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  RSA695664  Baileya pleniradiata J. Russell Bruff 1928-4-3 172 Riverside 13 miles W of Desert Center. Comment
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Oct 23 2011
  SEINET10479071  Bassia hyssopifolia Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4921 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
  POM350771  Bebbia juncea Robert Gustafson 1980-5-5 1574 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UCR161438  Bebbia juncea A. C. Sanders, Mike Misenhelter 2005-9-20 31683 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR21160  Bebbia juncea 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
  HSC24854  Bebbia juncea var. aspera James Henrickson 1971-4-2 5482 Riverside Hidden Oasis, 13 mi. E of Palm Spring 183 Comment
  JEPS49062  Bebbia juncea var. aspera Lewis S. Rose 1966-12-14 66111 Riverside 3 mi w Palm Springs; Chino Canyon 670 Comment
  JOTR31821  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA735388  Bebbia juncea var. aspera Steve Boyd 2007-4-20 11726 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains., High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Areayon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  UC19133  Bergia texana Samuel B. Parish 1891-11-5 2240 Riverside Elsinore Lake Comment
  UCR266823  Bergia texana D. E. Bramlet 2005-7-13 3898 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  RSA0028736  Bergia texana R. E. Riefner 1998-7-9 98 -280 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR113587  Bidens laevis A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23679 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 232 Comment
  UCR239926  Bidens laevis O. F. Clarke 2005-11-25 s.n. Riverside Prado Basin, Santa Ana River near Corona 155 Comment
  UCR71617  Bidens laevis A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11739 Riverside Fairmont Park, along Spring Brook between Lake Evans & the Santa Ana River, Riverside 238 Comment
  CAS-BOT-BC16886  Boechera John F. Emmel 1971-3-21 329 Riverside On road 3S09, 0.5 miles southwest of junction with 3S08, north slope of San Jacinto Mountains. 1146 Comment
  CAS-BOT-BC16093  Boechera californica Michael Wall; Lorrae Fuentes 1995-4-13 102 Riverside Santa Rosa Mountains, along Highway 74, 14.8 miles southeast of Highway 243 junction in Mountain Center. Comment
  UCR270713  Boechera johnstonii John F. Emmel 1999-3-27 1607 Riverside San Jacinto Mtns., Garner Valley, 0.1-0.2 air mile south of junction Hwy 74 and road to Ramona Trail 1384 Comment
  UC855511  Boechera perennans C. L. Hitchcock 1940-4-1 5918 Riverside Cottonwood Springs wash Joshua Tree National Monument Comment
  CLARK-A1528-5700  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  RSA449950  Boerhavia triquetra J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, above Palm Desert. 701 Comment
  UCR83433  Boerhavia triquetra A. C. Sanders, P. J. MacKay, L. Lubinsky 1994-10-30 15854 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  RSA0027574  Boerhavia triquetra var. intermedia Kristin Forgrave, Joshua Paolini 2013-8-7 28 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  JOTR30697  Boerhavia wrightii Andre, Jim, Tasha La Doux 2008-9-13 10259 Riverside Joshua Tree National Park. Palen Valley along the W. side of Hwy 177, just W. of Palen Valley Sand Dunes area, E. side of Coxcomb Mountains, E. boundary of Joshua Tree National Park 204 Comment
  UCR211549  Boerhavia wrightii Jim Andre, T. La Doux 2008-9-13 10259 Riverside Sonoran (Colorado) Desert, Palen Valley, along west side of Hwy 177, east side of Coxcomb Mountains, just west of Palen Valley Sand Dunes area, east boundary of Joshua Tree National Park 205 Comment
  UCR114307  Bolboschoenus glaucus Julie A. Greene 1993-4-3 1106 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  UCSB9820  Bothriochloa barbinodis Beach, Kay 1942-10-23 Riverside Dos Palmas Spring; 0.75 mi E of road at point 20 mi from Kenworthy Forest Stn. and 12 mi N of Jct of Indio and Palmas highways; side road; San Bernardino Ntl Forest Comment
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Mar 2 2014
  UCSB51393  Bouteloua aristidoides Roos, John 1946-9-14 Riverside Pinyon Flats, Santa Rosa Mtns 1219 Comment
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Apr 3 2011
  UCSB60189  Bouteloua aristidoides Charlton, David 1988-2-18 Riverside S side of Little San Bernardino Mtns; Fargo Canyon Rd to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10; 1 mi E of Jct Dillon Rd and Fargo Cyn Rd 609 Comment
  UCR195794  Bouteloua barbata var. barbata Tasha La Doux, J. Andre 2007-9-6 135 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCR195802  Bouteloua curtipendula Jim Andre, T. La Doux 2007-9-6 8705 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  SD254499  Brachypodium distachyon Steve Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region: City of Riverside, residential lot at northwest corner of Beechwood Place and Brockton Avenue. 256 Comment
  JEPS42502  Brandegea bigelovii W. L. Jepson 1928-4-25 12593 Riverside Colorado Desert, Cottonwood Mountains, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Mts, Cottonwood Spring 731 Comment
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Oct 9 2010
  RSA796474  Brandegea bigelovii Duncan S. Bell 2009-4-18 206 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
  SFV17327  Brandegea bigelovii J. N. Hogue, J. D. Dilley (271) 1998-4-23 108 .1 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC68779  Brandegea bigelovii H. M. Hall Apr. 1905 5896 Riverside Colorado Desert, Chuckwalla Springs Colorado Desert; , Chuckwalla Springs Comment
  RSA613325  Brassica rapa D. L. Banks 1997-3-1 1389 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
  CHSC110009  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Alt.:396-473m/1300-1550ft. 396 Comment
  RSA653550  Brassica tournefortii Scott D. White 1999-5-24 7406 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  RSA757792  Brassica tournefortii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4295 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
  RSA0125106  Brickellia californica Duncan S. Bell 2016-10-27 10215 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA596108  Brickellia californica Darin L. Banks 1996-11-7 1204 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  UC894157  Brickellia desertorum Carl B. Wolf 1932-10-12 Riverside Pinyon Well, Little San Bernardino Mts., Colorado Desert Colorado Desert, Little San Bernardino Mts., Pinyon Well 1219 Comment
  UCR25770  Brickellia desertorum John C. Roos 1943-8-17 2709 Riverside Plateau in Reche Canyon Comment
  UC279716  Brickellia incana Edmund C. Jaeger 1926-2-20 Riverside near Salton (Canon Springs); Canon Springs Comment
  JEPS40560  Brickellia oblongifolia var. linifolia W. L. Jepson and H. M. Hall 1901-5-24 1424 Riverside Van Deventer's Ranch Comment
  UC843569  Brodiaea filifolia P. A. Munz and I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris 441 Comment
  CAS-BOT-BC148746  Bromus carinatus var. marginatus H. M. Hall 1901-7-1 2342 Riverside San Jacinto Mountains. Vicinity of Deer Springs. 2743 Comment
  SEINET3922343  Bromus diandrus D. Atwood 1993-3-28 17709 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 0 Comment
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Jul 20 2015
  JOTR35916  Bromus madritensis subsp. rubens De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 822 Comment
  UC1537242  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 107 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  CLARK-A1528-4546  Bromus mollis John C. Roos, Lucille Roos 1950-4-15 4740 Riverside Pigeon Pass 457 Comment
  UCR102764  Bromus rubens B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3593 .2 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
  JOTR37492  Bromus tectorum Hodges, Stephen R. 2016-4-6 621 Riverside Joshua Tree National Park. Quail Mountain Complex, In winding wash ascending towards Quail Mountain and Minerva Hoyt peak from Johnny Lang Canyon Comment
  RSA0021329  Bromus tectorum Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4655 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  SDSU964  Bromus tectorum A. H. Gallup 1948-6-12 203 Riverside At Idylwild along road, San Jacinto Mts, Pacific slope 1829 Comment
  UCR214145  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37709 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  UCR211702  Caesalpinia gilliesii Fred M. Roberts, Kerry M. Byrne 2006-6-27 6346 Riverside Perris Basin, Hemet, just south of Florida Ave. and east of California Ave, 2.2 km northwest of the west end of Hemet Ryan Airport runway 463 Comment
  JOTR31863  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA651714  Caesalpinia virgata Viki Cruz 1983-5-8 004 *k Riverside Collected at the end of dirt road two miles off of Indian Trail Road. Magnesia Canyon, Santa Rosa Mts 396 Comment
  RSA697937  Caesalpinia virgata J. R. Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  RSA721458  Caesalpinia virgata Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas 2004-5-14 4335 Riverside Chocolate Mountains: north of the mountains, just north of the Bradshaw Trail, south of Orocopia mountains. 168 Comment
  SEINET10451867  Caesalpinia virgata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 25 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UCR233546  Caesalpinia virgata Jim Andre, Glenn L. Clifton 2011-2-22 17417 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  RSA543777  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6024 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SDSU13052  Calandrinia ciliata Korey Klutz 1998-3-1 15 Riverside Santa Margarita Field Station. 378 Comment
  UCR162412  Calandrinia ciliata S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR16506  Calandrinia ciliata Karen Cook 1966-3-17 s.n. Riverside 100 yd east of north-south railroad tracks on corner of Tanescalst and Compton Ave., Corona 274 Comment
  UCR232802  Calandrinia ciliata John F. Green 2008-4-16 0408- 43 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  UCR93019  Calandrinia ciliata G. P. Schultz 1994-4-7 81 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA572185  Calocedrus decurrens C. Epling 1931-10-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  RSA6059  Calochortus concolor B. D. Stark 1932-6-5 3711 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  POM14979  Calochortus invenustus Mary F. Spencer 1922-6-16 2035 Riverside Idyllwild, San Jacinto Mountains. 1707 Comment
  RSA377483  Calochortus invenustus M. B. Dunkle 1933-7-22 3755 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  JOTR34203  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2995 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  UCR193485  Calochortus palmeri var. munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35605 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  RSA662566  Calochortus splendens P. Shirokawa 1998-5-15 31 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  RSA25595  Calochortus weedii Carl B. Wolf 1941-6-27 10899 Riverside Santa Ana Mountains, Ortega Highway, E of its summit. 762 Comment
  UC63832  Calochortus weedii H. M. Hall 1895-6-9 Riverside Temescal Comment
  UCR125563  Calochortus weedii var. intermedius Chris E. True 2003-6-18 s.n. Riverside Santa Ana Mountains, Cleveland National Forest. Hagador Canyon, Trabuco Ranger District, SW of the city of Corona 600 Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA0078688  Calycoseris parryi Jim M. Andre 2015-3-2 31352 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  SDSU20275  Calyptridium monandrum Adrienne D. Russell, Michael G. Simpson 2000-4-29 128 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky slope between trailer and gorge on edge of lot, driveway. Comment
  UCR35073  Calyptridium monandrum L. B. Ziegler 1969-5-27 365 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  SD122189  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Santa Margarita Ecological Reserve; along road to Field Station, ca. 0.4 km eastnortheast of Field Station site. 349 Comment
  UCR117648  Camissonia Scott D. White 1995-8-23 3586 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  POM31999  Camissonia bistorta C. F. Baker 1903-4-5 4118 Riverside Hemet Comment
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Mar 24 2011
  UCR148459  Camissonia brevipes S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  RSA115524  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11568 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA339346  Camissonia californica Robert F. Thorne, W. A. Tilforth 1980-5-28 54171 b Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA466163  Camissonia californica Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River. Comment
  RSA775220  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4438 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
  UCR21992  Camissonia californica Steve Boyd 1980-7-12 328 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR233150A  Camissonia californica Jim Andre, Glenn L. Clifton 2011-2-22 17462 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  CLARK-A1656-687  Camissonia claviformis subsp. aurantiaca Lois Ann Scott 1978-2-2 Riverside San Jacinto Mountains 152 Comment
  RSA149769  Camissonia claviformis subsp. aurantiaca Jane Turner, F. M. Ball 1962-3-24 803 Riverside U.S. Hwy 70 at Whitewater. E. 366 Comment
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Oct 1 2011
  RSA449185  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-3-15 3034 Riverside North of Palm Springs. 122 Comment
  RSA449213  Camissonia claviformis subsp. aurantiaca Robert M. Perkins, H. de Forest 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  SDSU3350  Camissonia confusa H. Wedberg 1958-3-30 191 Riverside Adjacent to men's toilet at El Cariso Public Camp, on Hwy 74 about 11 miles west of Elsinore. Cleistogamous. Comment
  UC454582  Camissonia confusa I. J. Condit 1910-6-24 Riverside road to Idyllwild San Jacinto Mts. 914 Comment
  UCR44447  Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  UCR241105  Camissonia ignota A. C. Sanders, Timothy W. Chumley 2013-4-2 40743 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  POM37761  Camissonia pallida subsp. pallida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA21481  Camissonia pallida subsp. pallida Carl B. Wolf 1937-4-5 8416 Riverside San Gorgonio Pass, 1 mi. W. of Whitewater 366 Comment
  RSA33569  Camissonia pallida subsp. pallida N. C. Cooper 1944-3-25 1023 Riverside Cabazon. 457 Comment
  RSA186535  Camissonia refracta Peter H. Raven 1958-2-15 115777 Riverside In a sandy wash, Corn Springs, Chuckwalla Mountains. Comment
  UC1186514  Camissonia refracta E. G. Linsley and J. W. MacSwain 1960-3-2 60 -5 Riverside 2 mi w Desert Center Comment
  UCR102697  Camissonia refracta B. G. Pitzer 1998-1-24 3380 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR51969  Camissonia refracta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2160 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR92486  Camissonia refracta George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  SDSU3406  Camissonia strigulosa H. Wedberg 1958-3-30 192 Riverside 7.7 miles east of Hemet on road to Idyllwild. Comment
  UC1286982  Camissoniopsis bistorta C. L. Hitchcock 1966-3-15 24173 Riverside along roadcut 4 mi ne Aguanga Comment
  UC130498  Camissoniopsis hirtella Mrs. C. M. Wilder 1909-7-10 954 Riverside Strawberry Canyon and Strawberry Valley San Jacinto Mts. Comment
  UCSB18456  Camissoniopsis micrantha Field, L. 1963-5-4 Riverside 7.5 miles south of Banning, on Banning-Idyllwild Road 1158 Comment
  UCR166114  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16137 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SBBG84182  Carduus pycnocephalus subsp. pycnocephalus A. C. Sanders, B. Pitzer 1987-4-21 7049 Riverside Box Springs Mtns, summit of Pigeon Pass Rd; T2S, R4W, SW1/4 S14 579 Comment
  UCR182570  Carex Andrea Salzman, Carlos Navarro 2006-7-17 182 Riverside San Jacinto Mtns., Dark Canyon 1720 Comment
  UCR105727  Carex abrupta L. C. Wheeler 1961-6-20 7895 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  UCR130708  Carex fracta George K. Helmkamp, E. A. Helmkamp 1998-6-27 4072 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  CAS-BOT-BC21915  Carex heteroneura H. E. Hasse 1903-6-1 s.n. Riverside Round Valley. S. Jacinto Mountain. 2895 Comment
  UCR264635  Carex praegracilis Mitch Provance 2012-6-19 196- 03 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA769172  Carex sartwelliana P. F. Zika, Nick Otting 2010-8-6 25299 Riverside North Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest, San Jacinto Mountains 1910 Comment
  SD79818  Carex spissa Helen V. Witham 1969-7-2 189 Riverside De Luz Creek Crossing; 4 miles north of De Luz. 249 Comment
  POM14314  Carex subfusca Phillip A. Munz 1922-7-6 6040 Riverside Summit of San Jacinto Peak. 3293 Comment
  UC489091  Carex subfusca C. V. Meyer 1928-7-30 575 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  UC1967956  Castela emoryi Duncan S. Bell 2009-10-10 505 Riverside Arica Mountains east side of mountains range Arica Mountains (west side of Rice Valley; approximately 5 air miles southeast of the ghost town of Rice.) 210 Comment
  UCR213468  Castilleja affinis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37836 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
  JEPS8572  Castilleja affinis subsp. affinis Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4077 Riverside 5.7 mi s Hemet (along Calif Hwy 79, at 1st right-angle turn, at edge of hills s of Diamond Valley) 518 Comment
  UCR86882  Castilleja exserta A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16292 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
  UCSB45534  Castilleja exserta subsp. exserta Roos, John 1941-4-19 Riverside Reche Canyon - "Plateau" Comment
  RSA33474  Castilleja foliolosa N. C. Cooper 1944-5-7 1182 Riverside Banning. 701 Comment
  RSA400583  Castilleja foliolosa Robert Gustafson 1980-5-5 1560 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA612477  Castilleja foliolosa D. L. Banks 1997-2-23 1340 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  UCSB8707  Castilleja foliolosa Gunnerson, Robert 1953-3-20 Riverside Whitewater Canyon Comment
  RSA0010952  Castilleja miniata subsp. miniata Mary F. Spencer 1923-7-8 2234 Riverside Saunders Meadows. pr. Idyllwild, San Jacinto Mt. 1829 Comment
  UCR59756  Castilleja minor subsp. spiralis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3565 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
  UCR71902  Castilleja minor subsp. spiralis Steve Morgan, H. M. Soldan 1992-5-25 92- 2 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  SDSU17676  Castilleja subinclusa subsp. subinclusa Jerry Jenkins 2001-4-1 2001 -025 Riverside Santa Margarita Ecological Reserve. Side road going south from mine road, UTM zone 6, 482550E, 3699900N. Comment
  POM246640  Caulanthus hallii E. C. Jaeger 1938-5-14 s.n. Riverside Keyes View, Joshua Tree National Monument. 1463 Comment
  UC597600  Caulanthus hallii Philip A. Munz 1937-5-30 15093 Riverside nw slope Santa Rosa Mts.; nw slope Santa Rosa Mts. 1828 Comment
  RSA503410  Caulanthus heterophyllus J. D. Olmsted 1962-5-10 3643 Riverside Crest between Sandia Creek and DeLuz Creek drainages 259 Comment
  SDSU18384  Caulanthus heterophyllus C. Matt Guilliams 2008-2-21 467 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  RSA527667  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. Bramlet 1990-4-29 4488 a Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA559937  Caulanthus lasiophyllus var. rigidus Steve Boyd 1992-4-18 6888 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR68473  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. E. Bramlet 1990-4-29 4488 A Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  CAS-BOT-BC48456  Ceanothus crassifolius P. C. Everett 1935-6-17 7151 Riverside Santa Ana Mts., Coldwater Can. trail to Santiago Pk., 2 mi. above Glen Ivy Resort Comment
  RSA614127  Ceanothus crassifolius D. L. Banks 1997-2-23 1294 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 368 Comment
  SBBG105071  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  POM254877  Ceanothus integerrimus W. Pequegnat 1940-5-17 s.n. Riverside Bear Springs. 1311 Comment
  RSA4386  Ceanothus leucodermis Carl B. Wolf 1932-3-20 32 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  SD186314  Ceanothus leucodermis Andy C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  POM305352  Ceanothus oliganthus Henry J. Ramsey, Henry J. Ramsey 1938-2-25 666 Riverside Temecula Comment
  RSA613299  Ceanothus oliganthus Joseph A. Ewan 1933-3-19 10898 Riverside Tin Mine Canyon, Santa Ana Mountains. Comment
  RSA0019588  Ceanothus oliganthus var. oliganthus Elbert Benjamine 1929-4-7 127 Riverside San Gorgonio Pass, southern California. Comment
  UC1594217 Image available Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3020 Riverside 1 mi W of Vail Lake 609 Comment
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Sep 19 2010
  UCR64746  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3020 Riverside Peninsular Range, Vail Lake area, 1 mi west of Vail Lake 640 Comment
  LA44886  Ceanothus palmeri Norman C. Cooper; 1944-6-17 1416 Riverside San Jacinto Mountains, above Banning 975 Comment
  POM310178  Ceanothus spinosus Hulda Crooks 1946-3-2 s.n. Riverside Beaumont-E. of Town. 701 Comment
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Feb 17 2013
  UCR271518  Ceanothus tomentosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8352 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCR92781  Ceanothus tomentosus Scott D. White 1994-3-29 1936 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SEINET273063  Ceanothus tomentosus subsp. olivaceus A. C. Sanders 1997-3-19 20060 Riverside Lake Skinner area: upper Rawson Canyon W of Black Mtn. along the road from Lake Skinner 549 Comment
  RSA180281  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1965-3-30 5592 Riverside 16 miles west of Murrieta. Comment
  RSA192053A  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1965-3-30 5592 Riverside 16 miles west of Murrieta. Comment
  POM11972  Celtis reticulata Bonnie C. Templeton 1920-04 11972 Riverside Gilmans Water Canon, Banning. 915 Comment
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Mar 13 2011
  RSA598145  Cenchrus spinifex D. L. Banks, Lauren Raz 1996-8-29 1133 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road;, along the E side of the road under the drip irrigation line to a vineyard. 399 Comment
  JEPS46382  Centaurium venustum W. L. Jepson 1901-5-22 1366 Riverside s of Hemet Valley (Palm Canyon and return to Van Deventer's); Palm Canyon Comment
  CAS-BOT-BC279121  Centromadia pungens subsp. laevis R. F. Hoover 1968-6-6 11150 Riverside 1 mile east of Perris Comment
  RSA784845  Cerastium glomeratum J. D. Olmsted 1959-6-23 567 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  UCR240650  Cercocarpus betuloides Tracy Tennant, Mitch Provance 1998-6-16 MOR- 424 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR35165  Cercocarpus betuloides L. B. Ziegler 1969-7-30 392 Riverside San Jacinto Mountains, Thomas Mtn on N slope 1463 Comment
  GMDRC2049  Cercocarpus betuloides var. betuloides J. Andre 2006-4-26 6783 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UC527317  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mountains); San Jacinto Mountains 1676 Comment
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Mar 24 2011
  UC859434  Cercocarpus betuloides var. betuloides K. Watkins, E. McClintock 1937-4-10 Riverside Palms to Pines Highway near road to Shumay Comment
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Dec 17 2011
  SDSU14019  Chaenactis artemisiifolia Dinna Estrella, M. G. Simpson 2002-4-20 23 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  RSA784770  Chaenactis carphoclinia Duncan S. Bell 2012-3-18 3174 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SD21518  Chaenactis carphoclinia Frank F. Gander 1938-5-21 5763 Riverside Shaver's Summit. Comment
  SEINET9118568  Chaenactis carphoclinia D. Myrick 1966-1 1349 Riverside Desert Hot Springs, desert slope adjoining Linda Vista Lodge. Comment
  CAS-BOT-BC276921  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains. Dillon Road and 1000 Palms Oasis Road Junction S of Joshua Tree National Park, parallel to I-10. 5 miles E of Junction Dillon Road and Fargo Canyon Rd, near small hill with blow sand on top 2000' 609 Comment
  CAS-BOT-BC276928  Chaenactis fremontii G. B. Grant 1906-4-20 6708 Riverside Palm Springs Comment
  POM351695  Chaenactis fremontii N. C. Cooper 1944-4-23 1122 Riverside Banning 701 Comment
  POM6569  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, between Whitewater and Cabazon. Comment
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Mar 13 2011
  RSA21754  Chaenactis fremontii C. B. Wolf 1937-4-6 8426 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA341992  Chaenactis fremontii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54054 Riverside Along Whitewater River, E of bridge and levee. Comment
  SEINET2042093 Image available Chaenactis fremontii A. C. Sanders 2001-4-8 23973 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  UC579464  Chaenactis fremontii H. S. Yates 1936-4-7 5426 Riverside near Whitewater; San Jacinto 304 Comment
  CAS-BOT-BC172823  Chaenactis glabriuscula A. C. Sanders 2004-6-25 28281 Riverside Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel 335 Comment
  RSA786075  Chaenactis glabriuscula C. P. Cowan 1978-4-23 1217 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  SFV3811  Chaenactis glabriuscula P. G. Kilburn 1958-5-17 810 Riverside 3 miles south of Banning. 305 Comment
  UCR123233  Chaenactis glabriuscula S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  UC124597  Chaenactis glabriuscula var. glabriuscula Geo. R. Hall 1908-1-1 8486 Riverside Riverside Comment
  POM159847  Chaenactis glabriuscula var. lanosa E. C. Jaeger 1926-3-26 s.n. Riverside Cabazon Comment
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Mar 13 2011
  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
  CAS-BOT-BC100677  Chaenactis parishii H. M. Hall 1901-6-1 2128 Riverside Santa Rosa Mountain, hillside of Coyote Canyon 1524 Comment
  SEINET2049307 Image available Chaenactis parishii Kathy Harper 1988-6-11 Riverside San Jacinto Mountains, on Thomas Mountain Road, S of Thomas Mountain Lookout. Comment
  SD232600  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Colorado Desert: Chuckwalla Vallley, near Wiley's Well rest area on I-10, along dirt road to McCoy Spring. 124 Comment
  UCR167062  Chaenactis stevioides Scott D. White 2005-3-29 10836 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
  RSA605238  Chamaesyce maculata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16040 Riverside Coachella Valley: Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -8 Comment
  JEPS52397  Chamaesyce parishii S. B. Parish 1912-6-28 8113 Riverside Mojave Desert,Mecca Comment
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Sep 4 2011
  RSA0111977  Chamaesyce polycarpa Duncan S. Bell 2009-8-15 415 Riverside Northwest of the Arica Mountains. 286 Comment
  SFV7071  Chamaesyce polycarpa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 771 Riverside Big Wash, just north of Quien Sabe Point at east end of county. 116 Comment
  UC536793  Chamaesyce polycarpa Louis C. Wheeler 1933-12-2 2309 Riverside near Palm Springs (mouth of Taquitz Canyon) 144 Comment
  POM126252  Chamaesyce polycarpa var. hirtella Thos. Craig 1927-4-2 19 Riverside Canyon near Hidden Springs. Comment
  RSA576460  Chamaesyce polycarpa var. hirtella L. C. Wheeler 1933-12-2 2309 Riverside Mouth Tahquitz Canyon near Palm Springs. 144 Comment
  RSA770640  Chamaesyce polycarpa var. hirtella R. F. Thorne 1966-10-15 41778 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA433505  Chamaesyce polycarpa var. polycarpa M. B. Dunkle 1933-3-3 3029 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  JOTR34999  Chamaesyce setiloba La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3101 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  RSA0031423  Chamaesyce setiloba Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel 2013-2-24 4472 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA608166  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10052 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA670445  Chamaesyce setiloba B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  SEINET6046708  Chamaesyce setiloba Unknown 1954-9-25 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA180256  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta. Comment
  UCR281108  Cheilanthes newberryi Mitch Provance, Jeremiah George 2017-3-21 317- 14 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  UCR120310  Chenopodium Mitch Provance 1997-6-18 1102 Riverside City of Riverside, Riverside Community College, between the NE (back) parking lot and Prospect Dr. 244 Comment
  UCR232769  Chenopodium William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 013 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  RSA785467  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  RSA516754  Chenopodium californicum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SEINET1908503  Chenopodium fremontii A. C. Sanders, Mitch Provance 2008-1 35780 Riverside Peninsular Range; San Jacinto Mtns.; FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  UCR27024  Chenopodium fremontii A. C. Sanders, J. A. Harpel 1981-8-26 2334 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  CSUSB985  Chilopsis linearis Michael J. Arbaugh 1978-6-4 S. N. Riverside Coachella Valley Located along wash 1.2 miles north on Desert View Road and Amethyst Road junction in West Palm Springs Village. Comment
  RSA455308  Chilopsis linearis George R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
  SD237355  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast: San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden. 449 Comment
  POM10316  Chilopsis linearis subsp. arcuata Charlotte M. Wilder 1904-8-7 505 Riverside Shaver s Wells. Colorado Desert. Saligma Comment
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Jul 24 2010
  RSA125464  Chilopsis linearis subsp. arcuata E. K. Balls, P. C. Everett 1957-8-20 22665 Riverside Morongo Canyon, 9 1/4 mi n. along rd. to 29 palms for jct. with U.S. Hwy. 60/70/99 671 Comment
  RSA248048  Chilopsis linearis subsp. arcuata C. W. Tilforth 1973-5-30 43577 Riverside Colorado Desert: Mouth of Morongo Valley at N. end of Coachela Valley 549 Comment
  POM9328  Chilopsis linearis subsp. arcuata Mary F. Spencer 1918-4-28 800 Riverside In desert sand. Colorado Desert 122 Comment
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Nov 20 2011
  RSA782132  Chloris virgata Stephanie Rockwood, Christi Gabriel 2011-10-18 127 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  UC1100193  Chloris virgata Malcolm A. Nobs and S. Galen Smith 1948-9-3 490 Riverside 2 mi n Indio; Imperial Valley Comment
  UCR116844  Chorizanthe brevicornu Helen Kennedy, Fred R. Ganders 1980-4-15 4060 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  UCR16538  Chorizanthe coriacea H. C. Sharma 1976-4-25 760425- 04 Riverside San Bernardino Valley, Reche Canyon, area opposite 7382 Reche Canyon Road 457 Comment
  UCR18389  Chorizanthe corrugata Holly Hartman 1979-4-25 s.n. Riverside Western Colorado Desert, Painted Canyon in the Mecca Hills Comment
  UCR15524  Chorizanthe fimbriata var. fimbriata Robin L. Kobaly, G. K. Helmkamp, N. Burchett 1978-6-1 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, south of Murrieta Comment
  CAS-BOT-BC252789  Chorizanthe parryi var. parryi John Thomas Howell 1931-6-5 6658 Riverside San Gorgonio Pass at Cabazon Comment
  POM10486  Chorizanthe parryi var. parryi Stephen Grout, Stephen Grout 1903-05 5 Riverside Riverside Comment
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Sep 5 2011
  RSA679814  Chorizanthe parryi var. parryi LeRoy Gross, Valerie Soza 2003-5-8 834 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR177184  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR189793  Chorizanthe parryi var. parryi Andrea Salzman 2006-5-30 136 a Riverside Peninsular Range; Perris Aguanga Basin, Lake Skinner, north of stage road 490 Comment
  UCR260835  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41519 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  UCR98859  Chorizanthe polygonoides subsp. longispina A. C. Sanders, G. Helmkamp 1997-3-15 19996 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR266336  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-12 2352 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  CAS-BOT-BC257202  Chorizanthe procumbens Alice Eastwood; John Thomas Howell 1937-4-24 3911 Riverside Summit of Santa Ana Mts. above Elsinore Comment
  RSA392740  Chorizanthe rigida N. C. Cooper 1949-4-8 3305 Riverside Desert Center. 610 Comment
  UC1600856  Chorizanthe rigida Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  VVC2475  Chorizanthe rigida Tim Thomas 2013-3-18 5943 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR121210  Chorizanthe staticoides D. E. Bramlet 1991-5-10 2145 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  RSA708568  Chorizanthe xanti var. leucotheca Scott D. White, Jennifer H. Jones 2005-5-24 11098 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  UCR167333  Chrysothamnus paniculatus Scott D. White, Jennifer H. Jones 2005-5-24 11105 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR58506  Chrysothamnus paniculatus Reid Moran 1967-11-7 14648 Riverside Sonoran (Colorado) Desert, 4 mi. north of Palm Springs. 300 Comment
  CLARK-A1528-1739  Chrysothamnus teretifolius John C. Roos 1942-10-24 2577 Riverside Joshua Tree National Park 1523 Comment
  UCD103735  Chylismia brevipes William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  JEPS23467  Chylismia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6763 Riverside Shaver's Wells to Cottonwood Springs 25 Comment
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Apr 24 2011
  SBBG104669  Chylismia cardiophylla subsp. cardiophylla J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  SBBG35577  Chylismia claviformis D. Myrick 1966-4-1 1339 B Riverside slope adjoining Linda Vista Lodge, Desert Hot Springs Comment
  CDA37651  Chylismia claviformis subsp. aurantiaca T. C. Fuller 1962-4-4 7996 Riverside Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  RSA0118006  Chylismia claviformis subsp. aurantiaca Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7622 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  SD215581  Chylismia claviformis subsp. aurantiaca W. Wisura, J. Dolan and M. Wall 1992-3-24 4618 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  UCD103912  Chylismia claviformis subsp. aurantiaca Elizabeth Milauskas 1994-5-7 12 Riverside Agua Caliente Indian Reserve. 161 Comment
  POM301814  Cirsium occidentale var. venustum James E. Cole 1942-5-10 958 Riverside Joshua Tree National Monument 1341 Comment
  CAS-BOT-BC286460  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside South end of Santa Rosa Mts. Comment
  RSA0070883  Cirsium scariosum R. F. Thorne, E. Lathrop 1969-6-6 39335 Riverside Santa Rosa Plateau: Rancho California. 609 Comment
  RSA370864  Cirsium vulgare R. F. Thorne 1985-7-18 61280 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA487442  Cistanthe monandra Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA718827  Cistanthe monandra Michael Honer, L. Hulse 2004-4-3 1924 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
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Jun 8 2016
  RSA747969  Cistanthe monandra Justin M. Wood 2009-5-11 685 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  UCR80800  Clarkia dudleyana Scott D. White 1993-5-29 1453 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA73330  Clarkia epilobioides F. W. Peirson 1919-4-14 4457 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCR119819  Clarkia purpurea A. C. Sanders, T. B. Salvato 2001-5-3 24088 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR111985  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, T. B. Salvato 2000-5-25 23417 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CAS-BOT-BC164763  Clarkia rhomboidea Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR97442  Claytonia parviflora subsp. parviflora A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19862 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SD133030  Claytonia parviflora subsp. viridis Scott White 1991-5-10 91 140 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UCR20553  Claytonia parviflora subsp. viridis W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR214581  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37849 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  CLARK-A1528-3851  Clematis ligusticifolia John C. Roos 1965-10-7 Riverside Riverside Comment
  POM302504  Clematis ligusticifolia J. C. Roos 1943-8-8 2700 Riverside Hall Canyon. 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
  RSA440804  Cleome isomeris N. R. Zabriskie 1973-3-16 569 Riverside Deep canyon, north slope Santa Rosa Mountains. 335 Comment
  SBBG70871  Coleogyne ramosissima R. H. Nordhoff 1940-11-11 591 Riverside Morongo Pass Comment
  RSA699997  Collinsia bicolor Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  VVC2874  Collinsia concolor Tim Thomas, P. J. MacKay 2010-4-12 5027 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0117407  Collinsia concolor Joseph A. Ewan 1932-4-8 7040 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  UCR35148  Convolvulus arvensis L. B. Ziegler 1977-6-6 567 Riverside San Jacinto Valley 473 Comment
  UCR104624  Convolvulus simulans D. E. Bramlet 1993-3-30 2300 Riverside Siegal Ranch Road approximately 90m south of Cajalco Road and 976m east of the intersection of Cajalco Rd. and Sierra Ave., 20 m west of Siegal Ranch Road 427 Comment
  UCR56700  Convolvulus simulans Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, SW of Mesa del Burro 612 Comment
  UCR46724  Conyza coulteri B. G. Pitzer, D. C. Hawks 1986-12-2 0440 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA230836  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1933-8-21 6904 Riverside Jinlleri Creek. 1500 Comment
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Oct 30 2011
  JEPS6748  Cordylanthus rigidus subsp. setiger W. L. Jepson 1903-7-30 2257 Riverside Idyllwild San Jacinto Mts 1828 Comment
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Mar 21 2011
  JEPS24879  Coreopsis bigelovii Peter M. Ray 1949-3-12 1362 b Riverside n side of Coachella Valley (2 mi w of Whitewater) 457 Comment
  RSA27451  Coreopsis californica I. L. Wiggins 1941-3-27 9706 Riverside 4 mi. north of Whitewater. Comment
  UC494746  Coreopsis californica var. californica Philip A. Munz and C. L. Hitchcock 1932-4-9 12224 Riverside 10 mi se White Tanks; East Riverside Comment
  SFV3791  Corethrogyne filaginifolia A. M. Johnson 1932-8-18 4136 Riverside San Jacinto Mountains San Jacinto Mountains. Comment
  UC101086  Corethrogyne filaginifolia M. F. Gilman 34 Riverside Banning Comment
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Mar 13 2011
  RSA413257  Corethrogyne filaginifolia var. virgata James C. Dice, J. D. Tenhunen 1987-9-9 723 Riverside Ca. 1.6 kilometers NNW of Royal Oak Ranch. 380 Comment
  POM278518  Coryphantha alversonii H. G. Rush 1950-5-6 117 Riverside 2.5 miles from Cottonwood springs on road out to Hwy 60-70. 579 Comment
  UCR158351  Cotula australis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30079 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC427778  Crassula connata John H. Thomas 1959-3-23 7573 B Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  RSA681896  Crassula connata Scott D. White 2001-3-13 8164 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  SDSU16682  Crassula connata Francis H. Bozzolo 2006-4-16 8 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. SE side of dirt road ca. 1m from road edge. 360 Comment
  CAS-BOT-BC226939  Cressa truxillensis A. C. Sanders; John F. Green 2012-5-27 40204 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  SD122942  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  UCR114190  Cressa truxillensis A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23637 Riverside Perris-Aguanga Basin Region, French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., c. 0.5 km NE of Adobe Spring 409 Comment
  UCR199918  Cressa truxillensis Scott D. White, Justin Wood 2008-4-15 11875 Riverside Perris Valley, Interstate 215, Perris, between Nuevo Rd and Scott Rd. 535 Comment
  CAS-BOT-BC334202  Crinodendron patagua O. F. Clarke 2007-6-3 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  SBBG2861  Crossosoma bigelovii K. K. Muller 1953-3-22 573 Riverside W side of Whitewater Cyn, 1 mi N of Hwy 60 Comment
  SFV7303  Crossosoma bigelovii T. Gordon, K. Kimbrough, P. McDonald 1975-3-2 810 Riverside San Bernardino Mountains Whitewater Canyon. 762 Comment
  SEINET7063231  Croton californicus A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  VVC1450  Croton californicus A. C. Sanders, J. Mac 1996-11-23 19651 F Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  CDA34537  Croton californicus Mike Lahti 2009-9-1 PDR# 1501825 Riverside 0 Comment
  UCR275355  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-9 1498 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  IRVC28961  Cryptantha Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9026 Riverside Ca. 0.05 mi. S on Santa Rosa Mtn. Road from Hwy 74. Peninsular Ranges, Santa Rosa Mountains Comment
  RSA718775  Cryptantha Michael Honer, L. Hulse 2004-4-3 1926 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  SEINET7042764  Cryptantha W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  HSC82765  Cryptantha angustifolia Christopher Davidson, A. P. Romspert, Harvey Surprenant 1979-4-29 7811 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  JOTR30306  Cryptantha angustifolia La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1739 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  RSA4903  Cryptantha angustifolia C. B. Wolf 1932-4-27 3019 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SBBG6232  Cryptantha angustifolia H. and M. Dearing 1942-2-6 4799 Riverside Cathedral City Comment
  JOTR30311  Cryptantha barbigera La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1744 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  RSA339706  Cryptantha barbigera R. F. Thorne, C. W. Tilforth 1980-5-28 54245 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA796091  Cryptantha barbigera Duncan S. Bell 2009-4-20 311 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG92252  Cryptantha barbigera D. F. Howe 1980-4-16 Riverside 8.5 mi S of Hwy 10 on Cornsprings Rd, Chuckwalla Mtns 550 Comment
  UCR29934A  Cryptantha barbigera Melissa Luckow, R. Riggins 1982-4-14 806 Riverside Mojave Desert, Joshua Tree National Monument, 4.5 mi north of Cholla Gardens. 7 mi SE of jct with Monument Road on Pinto Basin Road 915 Comment
  POM368351  Cryptantha circumscissa Christopher Davidson 1973-4-19 1997 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA768411  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake: southeast margin of dry lake, approx. 6 miles north of I-10 freeway, about 15 miles east of Desert Center 129 Comment
  UCR24507  Cryptantha costata L. F. LaPre 1981-4-14 s.n. Riverside Coachella Valley, Palm Desert; 2 mi north of junction of Monterey Ave. & Country Club Dr. Comment
  RSA0079092  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1451 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA0079100  Cryptantha cycloptera Steve Boyd, Orlando Mistretta 1986-3-13 1449 Riverside West side Palen Mts.: NE of Desert Center. Comment
  GMDRC2328  Cryptantha decipiens J. Andre, T. La Doux 2006-4-11 8140 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along paved road through Wilson Canyon at Fried Liver Wash. Elev. 2814 ft. 858 Comment
  JOTR29357  Cryptantha decipiens La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1434 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  POM6557  Cryptantha intermedia P. A. Munz, G. Williams 1919-3-28 2376 Riverside Banning 701 Comment
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Mar 13 2011
  RSA633324  Cryptantha intermedia R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 -C Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA650993  Cryptantha intermedia C. S. Papp 1964-5-3 455 Riverside Canyon Crest Hills, at Riverside. Comment
  SD185168  Cryptantha intermedia T. B. Salvato, Kent Beaman 2005-5-16 801 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA. 74. 548 Comment
  UC1792809  Cryptantha intermedia A. C. Sanders 2001-4-8 23983 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 347 Comment
  UCR113214  Cryptantha intermedia A. C. Sanders 1998-1-15 21641 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR116897  Cryptantha intermedia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24193 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR97685  Cryptantha intermedia A. C. Sanders, G. Helmkamp 1997-3-15 19925 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  POM9604  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  SDSU21863  Cryptantha juniperensis A. C. Sanders, T. B. Salvato 2012-4-27 40087 Riverside Peninsular Range; Santa Ana Mtns. Region; Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  POM118681  Cryptantha maritima Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  CLARK-A1528-2222  Cryptantha micrantha subsp. lepida John C. Roos 1947-5-24 3648 Riverside San Jacinto Mountains Comment
  UCR202235  Cryptantha micrantha var. lepida 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
  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
  RSA650981  Cryptantha microstachys Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  UC1535389  Cryptantha microstachys A. C. Sanders and B. Pitzer 1986-4-30 Riverside 1.3 mi above upper Bee Canyon mouth (at the San Jacinto River valley, along the road); San Jacinto Mountains, San Jacinto River Valley, Bee Canyon 670 Comment
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Sep 10 2011
  SEINET255219  Cryptantha muricata Mitch Provance 2003-4-5 6616 Riverside San Berardino Valley; Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountian, S of Philadelphia St. and just east of Country Village Rd.. 253 Comment
  RSA0079246  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3162 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA0079425  Cryptantha muricata var. jonesii P. A. Munz, I. M. Johnston 1922-5-21 5502 Riverside Kenworthy, San Jacinto Mountains. 1432 Comment
  RSA0104500  Cryptantha muricata var. muricata Duncan S. Bell 2015-9-30 8656 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA774888  Cryptantha muricata var. muricata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5031 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 W116.66011 750 Comment
  CLARK-A1528-2229  Cryptantha nevadensis John C. Roos 1966-3-20 Riverside Comment
  OBI66287  Cryptantha nevadensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1450 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  UC1929481  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  UC2015591  Cryptantha utahensis A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16178 Riverside Coachella Valley/ San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  UCR9570  Cryptantha utahensis Bonner Blong 1966-1 s.n. Riverside Santa Rosa Mtns, Carrizo Creek Comment
  CAS-BOT-BC68027  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3978 Riverside San Jacinto Mts. - summit of San Jacinto Peak 3293 Comment
  UCR21519  Cucurbita foetidissima Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR271362  Cucurbita foetidissima A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42465 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 canyon south of the lab near old original house site 475 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
  UC907578  Cuscuta californica var. papillosa Mary L. Bowerman 1950-3-20 4319 Riverside 1.6 mi sw Palms-to-Pines highway junction with Palm Springs highway (where outcrop by road, nw of Palms-to-Pines highway) 152 Comment
  SDSU13832  Cuscuta subinclusa W. Miller 1972-7-20 Riverside 1/4 mi. south of gate. Comment
  UCR263232  Cycloloma atriplicifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41458 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR251900  Cylindropuntia echinocarpa Jim Andre 2013-3-27 24824 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  UCD169559  Cylindropuntia prolifera John F. Green 2006-5-2 s.n. Riverside Unincorporated area along San Diego Aqueduct Corridor, 1 km due W of Skunk Hollow, between Nicholas Rd. and Borel Rd., E of Murrieta Hot Springs. 421 Comment
  RSA549282  Cyperus acuminatus Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 s.n. Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  POM158184  Cyperus eragrostis Phillip A. Munz, I. M. Johnston 1928-9-6 11269 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  CAS-BOT-BC114261  Cyperus esculentus Scott D. White; Steve Ogg 1994-10-17 2469 Riverside Murrieta Ck 1000 ft S of Winchester Rd. bridge (Banana Ave on USGS Murrieta quad, photorev. 1979) 310 Comment
  UCR240181  Cyperus retrorsus R. E. Riefner Jr. 2005-11-23 05- 780 Riverside city of Corona, Santa Ana Canyon, below Prado Dam, Santa Ana River c. 0.5 mi southwest of 71 Fwy 135 Comment
  UCR126424  Cyperus rotundus T. B. Salvato, A. C. Sanders 2000-4-27 64 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  POM48372  Cystopteris fragilis P. A. Munz, I. M. Johnston 1924-7-27 8776 Riverside along stream, Dark Canyon, San Jacinto Mountains. 2072 Comment
  RSA802141  Cystopteris fragilis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5008 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  CDA9780  Dactyloctenium aegyptium D. Domenigoni, David Crowder 2007-9-17 PDR# 1360845 Riverside Buck Mesa, Temecula; North of Rancho California, east of Anza Rd. Comment
  RSA404177  Dalea mollis Christopher Davidson 1979-4-4 7708 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  UC68519  Dalea mollissima H. M. Hall Apr., 1905 5792 Riverside Colorado Desert 30 Comment
  UCR72212  Dalea mollissima Theo Glenn 1991-5-20 91- 98 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  SEINET6656795  Dalea spinosa Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon.; 0 Comment
  RSA91543  Dasyochloa pulchella F. W. Peirson 1920-2-16 1546 Riverside South of Palm Springs, arm of Colorado Desert Comment
  POM48728  Datisca glomerata P. A. Munz, I. M. Johnston 1924-7-29 8833 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA564026  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
  UCR68859  Datisca glomerata Steve Boyd, T. S. Ross 1990-5-11 4659 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  RSA772847  Datura wrightii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4844 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
  SD122191  Datura wrightii James C. Dice, T. Chung 1987-10-19 741 Riverside Southwestern Riverside County, ca. 3.2 km southwest of downtown Temecula, along edge of Via Tornado Road, ca. 0.6 km N of entrance to Santa Margarita Ecological Reserve 365 Comment
  UCR41237  Datura wrightii N. M. Fellows 1984-3-20 8 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  UCR154621  Daucus pusillus A. C. Sanders, T. B. Salvato 2005-4-28 29765 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR1668  Daucus pusillus Annette Price 1962-5-8 088 Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road, c. 4 mi. [west] from Washington Avenue, Murrieta 549 Comment
  UCR174081  Daucus pusillus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32542 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCD131073  Deinandra kelloggii D. E. Bramlet 2000-8-30 3076 Riverside Shipley Reserve; the site is an ephemeral draiange 213 m south of Auld Valley Creek and 915 m east of the Bachelor Mtn. access road. 451 Comment
  UCD131161  Deinandra mohavensis A. C. Sanders; T. Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mountains: nameless tributary Azalea Creek ca. 1 mile due south of the Twin Pines Ranch buildings. Comment
  CAS-BOT-BC414252  Deinandra paniculata R. E. Riefner, Jr. 2014-6-1 14 -140 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
  JEPS15720  Deinandra paniculata Peter H. Raven and S. R. Snow 1956-6-30 9531 Riverside Dripping Springs Guard Station Temecula River, Dripping Springs Guard Station Comment
  JEPS23348  Delphinium cardinale W. L. Jepson May 17 1901-Jun 1 1901 1572 Riverside Temescal Wash Comment
  UC1018509  Delphinium parishii Jim Warren 1952-4-26 Riverside Snow Creek Comment
  CAS-BOT-BC7989  Delphinium parishii subsp. parishii Donald Alexander Johansen; J. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz (west) Canyon above Palm Springs, Western Colorado Desert Comment
  CLARK-A1528-3858  Delphinium parishii subsp. parishii John C. Roos 1937-4-18 1368 Riverside Cabazon Comment
  JEPS5521  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1429 Riverside Van Deventer's Ranch San Jacinto Mts. Comment
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Nov 9 2009
  PASA2532  Delphinium parryi 1922-5-18 Riverside Road south of Lake Elsinore 377 Comment
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Jun 24 2016
  RSA757731  Delphinium parryi LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4352 Riverside 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
  UCR133371  Delphinium parryi Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 297 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR384  Delphinium parryi N. J. Moriarty 1973-5-19 730519- 3 Riverside City of Riverside. 50 yards east of radio tower on the UCR Box Springs Experimental Station off the Box Springs Mt. Rd. 793 Comment
  CAS-BOT-BC121432  Delphinium parryi subsp. parryi George Robertson 1904-5-1 468 Riverside Keller Creek, Santa Ana Comment
  CAS-BOT-BC82957  Dendromecon rigida Peter H. Raven 1958-5-17 12951 Riverside 7.4 miles southeast of Banning on road to Idyllwild, San Jacinto Mountains. Comment
  UC917871  Dendromecon rigida Frank W. Gould 1943-4-18 2140 Riverside e Idlewild; Riverside County Park Comment
  UCR243170  Dendromecon rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4336 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  RSA357135  Dendromecon rigida subsp. rigida Robert F. Thorne 1969-10-25 41852 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  UCR202577  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR264604  Descurainia pinnata Mitch Provance 2012-6-19 196- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  CAS-BOT-BC43130  Descurainia pinnata subsp. brachycarpa Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3945 Riverside Vail Lake area, saddle at north base of Big Oak Mountain, south of Black Hills. 731 Comment
  CAS-BOT-BC43131  Descurainia pinnata subsp. brachycarpa Munz; Street; Williams 1919-3-25 2305 Riverside Palm Canyon. Colorado Desert. 228 Comment
  RSA773188  Descurainia pinnata subsp. halictorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4899 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA652531  Dicentra chrysantha R. Garner 1974-7-1 s.n. Riverside San Jacinto Mts. Comment
  UCR145975  Dicentra chrysantha June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UC3251  Dichelostemma capitatum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCR2920  Dichelostemma capitatum subsp. capitatum Nancy Atha 1963-3-24 32463- 02 Riverside Upper Santa Ana River/San Bernardino Valley region, Riverside, NW side of [Quarry Hill] at the corner of Madison St. and Victoria Ave 335 Comment
  CAS-BOT-BC292197  Dicoria canescens C. B. Wolf 1931-10-14 2457 Riverside At Cabezon [Cabazon], San Gorgonio Pass 518 Comment
  JEPS26053  Dicoria canescens Spencer W. Brown and U. Nur 1960-2-6 Riverside 4 mi e Beaumont ( on Hwy 99) Comment
  UCR109571  Dicoria canescens R. D. Goeden, Don W. Ricker 1986-5-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  RSA93922  Dicoria canescens F. W. Peirson 1924-12-30 5425 Riverside Thousand-Palms Canyon, edge of Coachella Valley. 122 Comment
  CAS-BOT-BC153094  Diplacus fremontii Peter H. Raven; R. Snow 1957-7-26 11121 Riverside 1.8 mi. above Lake Fulmor San Jacinto Mts. Comment
  CDA31681  Distichlis spicata G. D. Barbe 1983-10-26 4119 Riverside Bank of Colorado River at County Park, 26th Avenue east of Boulevard, southeast of Blythe 0 Comment
  RSA613137  Distichlis spicata D. L. Banks 1997-3-6 1407 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UCR256773  Distichlis spicata T. B. Salvato, Matthew Malle 2013-5-20 7585 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  JEPS52447  Ditaxis californica Marjorie D. Clary 1933-1-29 1754 Riverside Deep Canyon, Santa Rosa Mts. 15 miles northwest of Indio 243 Comment
  RSA421625  Ditaxis californica Robert Gustafson 1980-4-3 1523 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  POM87244  Ditaxis claryana Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA776354  Ditaxis claryana Duncan S. Bell, Amanda Turek 2010-4-10 800 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  JOTR36013  Ditaxis lanceolata Harding, Mitzi, T. Herskovits 2012-3-16 220 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  POM199145  Ditaxis lanceolata Donald A. Johansen, J. A. Ewan 1932-4-11 7068 Riverside Mouth of Tahquitz Canyon. Comment
  SFV6324  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 43 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UCR200301  Ditaxis lanceolata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11225 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  JOTR34025  Ditaxis neomexicana La Doux, Tasha, M. Harding 2010-4-7 2912 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UCR103594  Ditaxis neomexicana George K. Helmkamp, E. A. Helmkamp 1998-2-18 2702 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR256714  Ditaxis neomexicana Duncan S. Bell 2012-2-12 3104 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  RSA0104638  Ditaxis serrata var. californica Duncan S. Bell, Evan Meyer 2014-10-28 7660 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  POM6879  Dithyrea californica P. A. Munz, L. T. Street, G. Williams 1919-3-26 2341 Riverside Mecca Oasis Date Ranch, roadside -46 Comment
  RSA697423  Dithyrea californica J. R. Bruff 1927-3-12 2 -R Riverside Fingal Comment
  UCR22490  Dithyrea californica C. S. Jones 1979-2-24 6 Riverside Sonoran (Colorado) Desert, 1 mile southeast of Eagle Mountain, on old Eagle Mtn. Road 351 Comment
  SEINET5342919  Dithyrea californica E. Neese 1979-4-10 7065 Riverside Joshua Tree Nat. Mon. s of Twenty-Nine Palms, between Pinto Basin jct and Cottonwood Wash. 305 Comment
  CAS-BOT-BC136110  Dodecatheon alpinum Carl B. Wolf 1932-8-5 3962 Riverside 1st Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak - San Jacinto Mountains 2743 Comment
  POM146277  Dodecatheon clevelandii J. B. Feudge 1927-3-14 1730 Riverside Highgrove, Riverside. 335 Comment
  RSA462211  Dodecatheon redolens F. W. Peirson 1924-7-27 4999 Riverside Deer Springs, San Jacinto Mountains. Comment
  CSUSB548  Draba cuneifolia O. F. Clark 1966-2-3 S. N. Riverside In the Box Springs Mountians east of the east end of Box Springs road 304 Comment
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Jun 4 2012
  RSA775294  Draba cuneifolia Duncan S. Bell, The Habitat Work Organization 2011-3-19 2063 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  UC494460  Draba cuneifolia Philip A. Munz 1932-3-15 12009 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  RSA530887  Draba saxosa M. B. Dunkle 1933-7-23 3758 Riverside San Jacinto Peak 3301 Comment
  RSA562487  Drymocallis glandulosa Steve D. Boyd, Tim S. Ross 1992-5-5 7249 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  POM13057  Dudleya cymosa subsp. pumila E. C. Jaeger 1921-1 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC411415  Dudleya lanceolata Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  POM12114  Dudleya lanceolata Mary F. Spencer 1921-5-30 1124 Riverside Canyon near San Jacinto. 549 Comment
  UCR209225  Dudleya lanceolata R. G. Swinney 1969-5-18 476 Riverside San Bernardino Mtns., Whitewater Canyon 640 Comment
  UCR3186  Dudleya lanceolata Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  SD134467  Dudleya multicaulis Craig Reiser 1989-4-19 Riverside Western flank of Alberhill in western part of county Comment
  UCR55897  Dudleya saxosa J. A. Adams 1965-4-17 123 Riverside Sonoran (Colorado) Desert, Hwy 111, 2 mi east of Palm Springs near foothills 244 Comment
  SD48455  Dudleya saxosa subsp. aloides L. W. Lenz 1957-6-7 22623 Riverside Ca. 15 miles south of Hemet, along Highway 79. Comment
  UCR86035  Dysphania pumilio Michael A. Patten 1992-5-7 92- 26 Riverside Santa Ana mtns., Santa Rosa Plateau, along Via Vaquero at Via Oesta, c. 5 km. west of Temecula 399 Comment
  UCR168264  Dyssodia porophylloides Scott D. White 2001-4-3 8263 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  SEINET8060733 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 19 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
  UCSB18343  Echinocereus engelmannii Lehmann, Karla 1964-5-10 Riverside State Highway 74; 4.7 miles E of Pinyon Flats Campground 944 Comment
  CAS-BOT-BC227218  Echinochloa colona A. C. Sanders 2011-9-15 39893 Riverside Sonoran (Colorado) Desert: Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  SACT001024  Echinochloa colona Malcolm Nobs, S. Smith 1948-9-3 Riverside 2 miles north of Indio. Bases of stems procumbent, rooting at nodes. Dense shade. Abundant. Comment
  UCR207263  Echinochloa colona O. F. Clarke 2005-9-13 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UC1131531  Echinochloa crus-galli H. S. Yates 1937-6-28 6743 Riverside near Indio; Thermal Quad. Comment
  UCR145572  Eclipta prostrata Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  UCD169372  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  CAS-BOT-BC112745  Eleocharis geniculata A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi below trout farm, above Bonnie Bell. 548 Comment
  SD186018  Eleocharis macrostachya A. C. Sanders, Kelly Volansky 2005-3-17 29234 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd. 412 Comment
  UCR110916  Eleocharis macrostachya A. C. Sanders, K. C. Rose 1999-6-18 22818 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR222300  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55212 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  CAS-BOT-BC113328  Eleocharis montevidensis Peter H. Raven; Sidney R. Snow 1956-6-30 9537 Riverside In a dry creek bed, Dripping Springs Guard Station, Temecula River. Comment
  HSC80291  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Rd., 0.8 mi. E of the junction w/ FS Rds. 8S01 & 8S02 671 Comment
  SD91991  Elymus condensatus Richard C. Schwenkmeyer 1975-6-22 Riverside Dripping Springs Campground, on Highway 71. 500 Comment
  UCR93254  Elymus condensatus D. L. Banks, Steve Boyd 1995-10-17 786 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area. Along lower Arroyo Seco, south of the Dripping Springs Campground. Along the broad alluvial benches north of where Arroyo Seco turns to the east 512 Comment
  LA14815  Elymus glaucus Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  UCR158135  Elymus glaucus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30082 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
  UC37038  Elymus trachycaulus H. M. Hall 1901-7-1 2541 Riverside Fuller's Mill Mts. San Jacinto Mountains 1798 Comment
  UCR2366  Elymus triticoides F. M. Reed 1908-7-13 2477 Riverside San Jacinto Mtns., ridge above Tahquitz Valley 2835 Comment
  RSA697748  Emmenanthe penduliflora J. R. Bruff s.n. Riverside Palm Springs. Comment
  RSA772573  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5009 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UC1929975  Emmenanthe penduliflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10461 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR158327  Emmenanthe penduliflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30069 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
  UCR41358  Emmenanthe penduliflora N. M. Fellows 1985-3-16 107 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  CAS-BOT-BC131169  Encelia actoni Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC172827  Encelia actoni Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9006 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  POM356690  Encelia actoni Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  UCR177275  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  HSC88234  Encelia farinosa Elizabeth Neese 1979-4-10 7061 Riverside Joshua Tree National Monument S of Twenty-nine Palms, between Pinto Basin Jct. and Cottonwood Wash. 305 Comment
  RSA784750  Encelia farinosa Duncan S. Bell 2012-2-12 3094 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET2050574 Image available Encelia farinosa C. F. Shutts 1949-3-28 100 Riverside Palms Springs to Pine Highway State 74. Santa Rosa Mountains. Palm Springs 747 Comment
  SJSU1904  Encelia farinosa J. W. Tilden 1957-4-18 1099 Riverside near Whitewater E of San Gorgonio Pass Comment
  POM356689  Encelia farinosa var. farinosa F. R. Fosberg 1932-3-13 8067 Riverside Thousand Palm Canyon, Coachella Valley Comment
  CAS-BOT-BC131423  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside Near Chuckawalla Springs Comment
  JOTR35994  Encelia frutescens Harding, Mitzi, Mark Wheeler 2012-9-4 205 Riverside Joshua Tree National Park. Pinto Wells; large, active wash west of road leading to weather station (stop 4) 262 Comment
  CAS-BOT-BC81537  Ephedra californica Ynez Whilton Winblad 1937-3-18 s.n. Riverside 29 Palms Canyon Comment
  JOTR33740  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2739 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UC667372  Ephedra californica Annie M. Alexander and Louise Kellogg 1941-5-15 2183 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains (in rock outcrop) 914 Comment
  UCR133659  Ephedra californica Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  RSA0120034  Ephedra californica Lyman Benson 1945-3-29 11639 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain 610 Comment
  CAS-BOT-BC81682  Ephedra fasciculata James R. Shevock 1978-4-8 5780 Riverside along Calif. highway 195, [approximatley] approximately 3 miles from Interstate 10, west of Chiriaco Summit. Box Canyon 304 Comment
  RSA0112101  Ephedra trifurca Duncan S. Bell 2009-8-15 435 Riverside East side of the Arica Mountains. 257 Comment
  RSA797246  Epilobium Robert F. Thorne, Walter Wisura 1977-9-17 50784 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR141233  Epilobium canum A. C. Sanders, Mike Misenhelter 2004-10-6 28834 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  JOTR33119  Epilobium canum subsp. latifolium La Doux, Tasha, Mike Bell 2003-10-17 1602 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  RSA144639  Epilobium canum subsp. latifolium William M. Klein, S. Tillett 1958-10-8 890 Riverside Dark Canyon Camp Ground, North Fork of the San Jacinto River, San Jacinto Mountains. Comment
  RSA186221  Epilobium canum subsp. latifolium L. B. Ziegler 1966-9-13 s.n. Riverside Carrizo Creek, desert side of San Jacinto Mountains. 671 Comment
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  SEINET959353  Epilobium ciliatum Jennifer H. Jones 2006-1 306 Riverside Transcerse Ranges. N end of Mills Avenue (Cobal Canyon 7.5Q) 497 Comment
  RSA522101  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross 1989-8-28 3794 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA621897  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3639 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  CDA2087  Eragrostis cilianensis Steve Boyd 1989-7-9 3770 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR113928  Eragrostis cilianensis Mitch Provance 2000-6-24 2050 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA596779  Eragrostis curvula var. conferta D. L. Banks, K. D. Hedge 1996-5-16 1037 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the E side of the road next to a vineyard., T8S R2W; 1/2 mile N of sec. 24. 399 Comment
  UCR2379  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  JEPS74000  Eragrostis pectinacea var. pectinacea S. B. Parish 1912-6-27 8101 Riverside Mecca Comment
  UCR211820  Eragrostis pectinacea var. pectinacea Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1064 B Riverside Peninsular Range; San jacinto Mountains, alongside Hwy 74, c. 1 mile west of junction with Hwy 243 in Mountain Center 1311 Comment
  UCR2396  Eragrostis pectinacea var. pectinacea F. M. Reed 1906-7-7 1122 Riverside Riverside, Chicago Ave. and Blaine St 287 Comment
  JOTR33852  Eremalche exilis La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3064 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; Pinto Wash 322 Comment
  UCR41691  Eremalche exilis A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6034 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  JEPS20763  Eremothera refracta Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13253 Riverside Hwy US 95 11.3 mi n Blythe (in wash arising from mts.); Big Maria Mts. Comment
  CAS-BOT-BC514308  Eriastrum densifolium subsp. austromontanum H. M. Hall 1897-7-1 688 Riverside San Jacinto Mountains Comment
  JEPS69032  Eriastrum eremicum subsp. eremicum W. L. Jepson 1920-5-1 8915 Riverside Palm Springs of San Jacinto Comment
  JOTR16792  Eriastrum eremicum subsp. eremicum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UCR137334  Eriastrum sapphirinum A. C. Sanders 2004-5-5 27763 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR167828  Eriastrum sapphirinum T. B. Salvato, Melissa Clemons 2005-6-2 1353 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA0121593  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1991-6-14 6389 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA0122010  Eriastrum sapphirinum subsp. dasyanthum Robert L. Dressler 1949-5-8 812 Riverside 6 miles SW of Perris. 488 Comment
  RSA0122966  Eriastrum sapphirinum subsp. sapphirinum C. W. Tilforth, John Dourley 1980-7-15 2078 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  CDA23784  Ericameria brachylepis Mike Lahti 2008-10-21 PDR# 1509234 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  UC1329875  Ericameria cuneata var. spathulata James E. Cole 1941-10-20 930 Riverside Optimist Mine Road, Lost Horse Valley Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  JOTR00956  Ericameria linearifolia Moran, Reid 1941-5-4 838 Riverside Joshua Tree National Park. EAST OF QUAIL SPRING 396 Comment
  CAS-BOT-BC298878  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  OBI7340  Ericameria paniculata Louis C. Wheeler 1933-12-1 2288 Riverside 2 mi E Cabezon, San Gorgonio Pass 640 Comment
  SD229094  Ericameria pinifolia Dick Schwenkmeyer 2012-3-26 665 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
  POM96254  Ericameria pinifolia E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  UC217913  Erigeron foliosus var. foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley 1371 Comment
  UCR9215  Erigeron foliosus var. foliosus D. H. Wilken 1965-6-29 301 Riverside San Jacinto Mtns, Along County Route 1 [Hwy 243], c. 3 mi south of Banning 915 Comment
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCR7884  Erigeron strigosus O. F. Clarke 1968-9-10 s.n. Riverside University of California, Riverside. Botanic Garden 412 Comment
  SEINET13262873 Image available Eriogonum apiculatum L. C. Wheeler 1945-1 6412 Riverside divide between West Fork Snow Creek and North Fork San Jacinto River 2378 Comment
  UCR111262  Eriogonum apiculatum Ralph Hoffmann 1929-9-10 s.n. Riverside San Jacinto Mountains, Tahquitz Peak 2439 Comment
  UCR13883  Eriogonum apiculatum J. Zabriskie 1973-8-16 401 Riverside Santa Rosa Mountains, Santa Rosa Mtn. 2134 Comment
  UCR35091  Eriogonum apiculatum L. B. Ziegler 1967-8-29 225 Riverside San Jacinto Mtns., upper Strawberry Valley (under Lily Rock) 1982 Comment
Read comments
May 25 2008
  UCR175171  Eriogonum davidsonii Jim Andre 2006-4-26 6770 Riverside South Mojave Desert, Joshua Tree National Park: west of upper Long Canyon, c. 5 mi south of the radio tower and NE corner (boundary) of the park 1325 Comment
  CAS-BOT-BC256117  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon, 13 miles se of Mecca Comment
  HSC17267  Eriogonum deflexum var. deflexum C. L. Hitchcock, C. V. Muhlick 1964-3-22 23257 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  RSA393267  Eriogonum deflexum var. deflexum A. Menke 1955-4-26 s.n. Riverside 4 miles east of Mecca, near Coachella Canal. Comment
  RSA393273  Eriogonum deflexum var. deflexum M. B. Dunkle 1933-3-4 3038 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SD136785  Eriogonum elongatum var. elongatum Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7680 Riverside San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, Ao mile upstream from top of Tenaja Falls 395 Comment
  UCR178538  Eriogonum fasciculatum R. G. Swinney 1967-5-26 135 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA0088968  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1967-5-26 11740 Riverside Snow Creek. 335 Comment
  RSA0065505  Eriogonum fasciculatum subsp. polifolium Marion P. Harthill 1971-3-19 45 & 52 Riverside Borrego Desert. Comment
  RSA0060578  Eriogonum fasciculatum var. fasciculatum Bob Rogers 1984-4-14 4 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  SBBG62012  Eriogonum fasciculatum var. foliolosum P. A. Munz 1927-5-21 10881 Riverside 10 mi SW of Cahuilla Comment
  SD229219  Eriogonum fasciculatum var. foliolosum Dick Schwenkmeyer 2012-10-16 850 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  POM6443  Eriogonum fasciculatum var. polifolium P. A. Munz 1919-5-7 2745 Riverside Palm Springs. 198 Comment
  SD241144  Eriogonum gracile A. C. Sanders 2008-7-25 35911 Riverside Peninsular Range: San Jacinto Mountains: east side of May Valley, along Bonita Vista Road at foot of hills (Idyllwild 7.5'Q) 1580 Comment
  UCR274554  Eriogonum gracile Mitch Provance, Ken Halama 2003-6-15 17048 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR51856  Eriogonum gracile Steve Boyd 1987-9-27 2029 Riverside Peninsular Range, Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek 366 Comment
  POM319088  Eriogonum gracile var. gracile Patricia Wilder 1971-9-29 5257 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  UC1922848  Eriogonum gracile var. gracile Scott D. White 2005-7-6 11158 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. Cabazon 7.5' Quad. Comment
  UCR167269  Eriogonum inflatum John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  POM230615  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  UCR35089  Eriogonum nudum var. pauciflorum L. B. Ziegler 1967-8-30 232 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  CLARK-A1528-5182  Eriogonum parishii John C. Roos 1946-8-27 2921 Riverside Santa Rosa Mountains 2194 Comment
  RSA424846  Eriogonum pusillum Christopher Davidson, B. Gustafson 1977-4-7 5594 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA424848  Eriogonum pusillum Lester H. Cushman 1932-3-20 s.n. Riverside 2 mi. W of Morongo Valley. Comment
  UCR276657  Eriogonum pusillum Jim Andre 2015-3-6 33564 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  UCSB18199  Eriogonum pusillum Smalley, G. 1964-5-10 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  UC578042  Eriogonum reniforme H. S. Yates 1937-6-28 6736 Riverside near Palm Springs; San Jacinto Quadrangle 121 Comment
  CAS-BOT-BC263527  Eriogonum thomasii Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater and Indio Comment
  POM14064  Eriogonum thomasii P. A. Munz, D. D. Keck 1922-4-9 4869 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 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
  SD125509  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, across from the entrance to Cahuilla Lake County Park, south of Indio Comment
  SD127574  Eriogonum thomasii David Charlton 1988-2-18 1143 Riverside Alluvial fan, S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, paralell to I-10. 1 mi. E of Jct Dillon Road and Fargo Cyn Road 609 Comment
  UCR233170A  Eriogonum thomasii Jim Andre, Glenn L. Clifton 2011-2-22 17441 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR244293  Eriogonum thomasii Jim Andre 2012-4-16 20881 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA0130725  Eriogonum thomasii Glen Rink 2013-3-18 11882 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  CAS-BOT-BC262875  Eriogonum thurberi Geo. B. Grant 1902-6-25 s.n. Riverside San Gabriel Canon [Canyon] 457 Comment
  POM47239  Eriogonum thurberi Mary F. Spencer 1920-4-2 s.n. Riverside Palm Springs, Colorado Desert. 122 Comment
  CAS-BOT-BC263586  Eriogonum trichopes S. B. Parish 1912-10-23 8291 Riverside Mesa near Mecca -57 Comment
  UCR244302  Eriogonum trichopes Jim Andre 2012-4-15 20857 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  SEINET3087398 Image available Eriogonum wrightii subsp. membranaceum Steve Boyd 1985-10-5 1190 Riverside Gavilan Hills; Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA420617  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-27 s.n. Riverside Gavilan Hills. Comment
  UCR204182  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Peninsular Range; San Jacinto Mountains, southern spur of Pine Meadow, SE of Hwy 371, NW of Santa Rosa Summit, north side of Hwy 74 1477 Comment
  POM123356  Eriogonum wrightii var. nodosum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM229039  Eriogonum wrightii var. nodosum P. A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  CHSC60219  Erioneuron pulchellum J. Lund 1980-4-2 Riverside Found 4.0 miles east of Meca on south side of road in a wash. 45 Comment
Read comments
May 29 2011
  UC31708 Image available Eriophyllum confertiflorum E. L. Koethen 1897-8-1 20 Riverside Riverside Comment
  RSA33553  Eriophyllum confertiflorum var. trifidum Norman C. Cooper 1944-5-6 1185 Riverside Banning. 701 Comment
  CAS-BOT-BC301784  Eriophyllum multicaule Frank W. Peirson 1922-4-29 2927 Riverside Road to Leach Canon [Canyon], Elsinore Comment
  POM8304  Eriophyllum multicaule P. A. Munz, R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon. 366 Comment
  UCR20783  Eriophyllum multicaule A. C. Sanders, Steve Boyd 1980-5-2 1408 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JOTR32134  Eriophyllum wallacei La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2290 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  RSA67309  Eriophyllum wallacei G. R. Campbell 1951-4-22 15999 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA390947  Erodium brachycarpum Christopher Davidson 1977-5-25 5644 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  CSUSB47  Erodium cicutarium Kirby W. Brown 1966-4-7 Riverside Highway 71, 6.8 miles east of Temecula. 365 Comment
  RSA747918  Erodium cicutarium Justin M. Wood 2009-3-3 325 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  UCR279360  Erodium cicutarium A. C. Sanders, Jim Malusa 2017-3-24 42977 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  RSA652317  Erodium cicutarium G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  RSA543135  Erodium macrophyllum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6124 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UC2029929  Erodium macrophyllum Steve Boyd, Valerie Soza 2001-4-12 10401 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of De Palma Road between Indian Wash and Horsethief Wash Comment
  RSA390916  Erodium moschatum Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  RSA762740  Erysimum capitatum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 642 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR90744  Eschscholzia caespitosa Scott D. White 1995-4-5 2755 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  CAS-BOT-BC403364  Eschscholzia californica S. B. Parish 1894-6-14 3140 Riverside Banning, San Bernardino Mountains, and their eastern base 914 Comment
  RSA433694  Eschscholzia californica N. C. Cooper 1945-5-24 1646 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA525411  Eschscholzia californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4519 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SDSU18743  Eschscholzia californica C. Matt Guilliams 2008-2-13 452 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  UCR241214  Eschscholzia californica Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 51 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  CAS-BOT-BC418698  Eschscholzia glyptosperma Anne Constant 1955-3-25 76 Riverside Near Joshua Tree National Monument 914 Comment
  HSC49187  Eschscholzia minutiflora D. L. Goforth 1979-4-11 114 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  UC1093132  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon Comment
  RSA445444  Eschscholzia minutiflora var. darwinensis N. C. Cooper 1949-4-8 3251 Riverside Mecca Pass east of Indio. 610 Comment
  UCD96505  Eschscholzia papastillii Shannon M. Still 2009-2-21 437 Riverside California. Riverside County. 170 Comment
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Sep 2 2017
  RSA727396  Eschscholzia parishii Naomi Fraga, Lisa Rojas 2005-2-10 1398 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA0112040  Eucalyptus camaldulensis A. C. Sanders, John F. Green 2012-3-20 39978 Riverside Peninsular Range; Elsinore Trough: Lake Elsinore, Collier Ave. at 3rd St., just south of I-15 Fwy. 389 Comment
  UC1608073  Eucalyptus camaldulensis D. Goodward April 1987 30 Riverside Eucalyptus irrigation plot U.C. Riverside Moreno Valley Field Station (s. of Alessandro Blvd. near Nason St., Tree R45T6); Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  OBI69838  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 33 Riverside Temescal Cyn Rd, Corona, side of rd Comment
  RSA716393  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Angelia Carey 2004-4-5 9982 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD137734  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail. 609 Comment
  UCR237628  Eucrypta micrantha Duncan S. Bell 2010-3-20 607 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  CDA37673  Eulobus californicus T. C. Fuller 1962-4-4 7997 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  CAS-BOT-BC206920  Euonymus occidentalis J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  CAS-BOT-BC202784  Euonymus occidentalis var. parishii H. M. Hall 1901-6-1 2299 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  RSA76931  Euonymus occidentalis var. parishii F. W. Peirson 1924-7-27 4983 Riverside Dark Canyon, San Jacinto Mts. 1768 Comment
  SD181547  Euphorbia Louis C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains; 0.5 mile east of Ranger Peak. 1372 Comment
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Feb 17 2013
  UCR121894  Euphorbia albomarginata Ian G. Gillespie 2001-5-7 084 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR128913  Euphorbia albomarginata A. C. Sanders, Mitch Provance 2001-4-5 23916 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  SD144469  Euphorbia eriantha G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2691 Riverside Colorado Desert: Midland Rd, 3.8 mi SE of Midland, Little Maria Mtns. Comment
  SEINET8043500 Image available Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-1 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR26784  Euphorbia misera A. C. Sanders 1982-3-20 2441 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, S end of Whitewater bench, above a small dirt road to the top of the bench and overlooking I-10 Comment
  UCR103901  Euphorbia polycarpa B. G. Pitzer 1997-4-11 3105 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  RSA675054  Euphorbia setiloba Scott D. White, Bill La Haye 2001-4-28 8434 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  CAS-BOT-BC167374  Fagonia laevis Carl B. Wolf 1932-4-27 2998 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  RSA78454  Fagonia laevis Verne Grant, Alva Grant 1952-4-1 17521 Riverside 9 miles E of Mecca Comment
  UC667337  Fagonia pachyacantha Annie M. Alexander and Louise Kellogg 1941-5-25 2233 Riverside e of Mecca (Box Canyon); Colorado Desert 243 Comment
  UCR4569  Festuca arundinacea Frank C. Vasek 1959-7-17 590717- 06 Riverside Riverside, residential garden of F.C. Vasek, 636 Sandalwood Court 335 Comment
  SEINET1004490  Festuca myuros T. B. Salvato, Kent Beaman 2005-1 831 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74 549 Comment
  UCR59666  Festuca myuros Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2920 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  SEINET269323 Image available Festuca octoflora A. C. Sanders, G. Helmkamp; P. MacKay et al 1995-3-19 16170 Riverside Coachella/San Jacinto Mtns. foothills: N-facing rocky slope in Chino Canyon along the Palm Springs tram road 2 mi. abov 490 Comment
  UCR90808  Festuca octoflora A. C. Sanders, G. K. Helmkamp 1996-3-17 17993 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  UCR268086  Festuca octoflora var. octoflora Jim Andre 2012-4-11 20680 Riverside Mojave Desert, Joshua Tree National Park, Hidden Tank Picnic Area, 1.4 miles southwest of paved road (Utah trail) to Cottonwood Spring, c. 8 miles south of North Entrance Station, north end of Hexie Mountains 1077 Comment
  RSA387352  Filago arizonica Steve Boyd 1986-4-10 1642 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  UCR228838  Filago arizonica A. C. Sanders, T. B. Salvato 2011-4-27 39337 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
  RSA339317  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54200 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA500100  Filago californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3210 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA586864  Filago californica D. L. Banks, Steve Boyd 1995-5-3 0283 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
  RSA683865  Filago californica Scott D. White, Michael Honer 2003-4-4 8953 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR97501  Filago californica A. C. Sanders, G. Waines, B. Ehdaieet, A. Aryavand 1997-3-12 19890 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA343864  Filago gallica R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60653 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  UC1280922  Forestiera pubescens H. E. McMinn 1935-6-27 4045 Riverside Pines to Palms Highway Comment
  UCR265565  Forestiera pubescens Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 2 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  SEINET8754812 Image available Forestiera pubescens subsp. neomexicana Bonnie C. Templeton 1930-4-15 1476 Riverside Gavilan Peak Comment
  UCR244305  Fouquieria splendens subsp. splendens Jim Andre 2012-4-15 20854 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR89686  Frankenia salina Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR264473  Fraxinus dipetala S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1074 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  SD233886  Fraxinus velutina A. C. Sanders, J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. 793 Comment
  RSA588190  Fremontodendron californicum subsp. californicum D. L. Banks, Victor W. Steinmann 1995-7-10 755 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage S of the peak ''Agua''. 915 Comment
  RSA771883  Fritillaria biflora Steve Boyd 2010-5-28 12283 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 Comment
  SEINET3081782 Image available Funastrum cynanchoides var. hartwegii Peggy Merritt PM- 720428 Riverside Canyon running N in hills 1 mi S of Intersec. of Alessandra Blvd and Walnut St., 12 mi W of Riverside 366 Comment
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Aug 25 2013
  RSA704546  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA779724  Funastrum hirtellum Duncan S. Bell 2009-3-8 92 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  RSA740617  Gaillardia aristata Scott D. White, Justin M. Wood 2008-6-19 12253 Riverside San Jacinto Mountains: USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  JEPS52915  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 Riverside Chimney Flat (old control) road below Alvin Meadows Comment
  RSA33783  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-5-19 1300 Riverside Banning. 701 Comment
  UCR21952  Galium angustifolium subsp. angustifolium Steve Boyd 1980-5-11 246 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR146246  Galium angustifolium subsp. jacinticum R. F. Thorne, Et al. 1969-6-24 38134 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  RSA645690  Galium aparine Scott D. White, Steve Ogg 1994-4-21 1958 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UC64374  Galium aparine H. M. Hall June 1901 2091 Riverside south side San Jacinto Mountains 1524 Comment
  UCD121711  Galium aparine E. W. Lathrop 1982-8-5 s.n. Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  UCR121342  Galium aparine A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25037 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UC1929476  Galium porrigens Scott D. White, Michael Honer 2003-6-3 9476 Riverside San Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR277921  Galium porrigens Mitch Provance 2011-6-3 611- 01 Riverside Badlands of Western Riverside County, Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy. 60. 756 Comment
  UCR138808  Galium porrigens var. porrigens D. L. Banks, J. Moreno 1997-2-5 1252 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  JEPS24232  Galium stellatum var. eremicum Peter H. Raven 1958-5-18 12998 Riverside 4.9 mi ne Pinon Flats (along State Hwy 74); San Jacinto Mountains Comment
  UCR112474  Gamochaeta pensylvanica A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23324 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR209592  Garrya flavescens Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  CAS-BOT-BC158075  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Lodge, mouth San Jacinto [Canon] Canyon 914 Comment
  OBI5886  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Summit of Devil's slide Trl from Idyllwild to Tahquitz Valley, San Jacinto Mts 2438 Comment
  POM12808  Gayophytum diffusum subsp. parviflorum P. A. Munz 1922-6-26 5832 Riverside Road to Santa Rosa. 1829 Comment
  CAS-BOT-BC303577  Geraea canescens Carl B. Wolf 1932-4-27 3066 Riverside Colorado Desert. 16 miles E of Desert Center 121 Comment
  POM30737  Geraea canescens Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  SEINET10726153  Geraea canescens David B. Dunn 1946-2-23 Dunn 1962 Riverside Collected in mud flats dry and caked and split. All American Canal catch basin from desert washes. Orocopia Mts. northeast of the Salton Sea. Very arid country. Comment
  PASA673  Geranium carolinianum Frank W. Peirson 1922-4-10 Riverside Murray Canyon 304 Comment
  UCR157429  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 183 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
  RSA719234  Gilia Michael Honer, L. Hulse 2004-4-3 1919 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  JEPS69454  Gilia angelensis W. L. Jepson 1939-4-17 19131 Riverside Twin Sprs. , Twin Sprs. (Temescal Canyon) Comment
  SD232284  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 33. 601 Comment
  RSA612687  Gilia angelensis D. L. Banks 1997-3-29 1611 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR106884  Gilia capitata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20666 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  POM17826  Gilia capitata subsp. abrotanifolia P. A. Munz, D. D. Keck 1923-6-14 7073 Riverside Santa Ana Mountains: Santiago Peak. 1524 Comment
  UC1595590  Gilia capitata subsp. abrotanifolia Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4530 Riverside rolling terrain at jtn of hwy R3 and Powerline Rd ne lake (Vail Lake area); Vail Lake area Comment
  UCR130222  Gilia diegensis George K. Helmkamp, E. A. Helmkamp 1998-6-27 4109 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  RSA0054867  Gilia gilioides subsp. glutinosa Keith E. Hoffmaster 1937-6-6 780 Riverside San Jacinto Mts, along Palms to Pines road. Comment
  UC908041  Gilia latifolia Herbert L. Mason 1928-3-10 4203 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  RSA673551  Gilia ochroleuca Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA0016275  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside Lower Bee canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  UC908944  Gilia ochroleuca subsp. exilis Carl Meyer June 1927 193 Riverside below Saunder's Meadow; San Jacinto Mts., below Saunder's Meadow 1584 Comment
  UCR35051  Gilia ochroleuca subsp. exilis L. B. Ziegler 1967-6-19 168 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  RSA0016283  Gilia ochroleuca subsp. exilis Clare B. Hardham 1965-6-18 12947 -B Riverside Cedar Flat Road, Idlewild [Idyllwild]. Comment
  UCR151103  Gilia splendens Scott D. White, Julie Greene 1998-8-1 6969 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA469732  Gilia stellata M. B. Dunkle 1933-3-4 3066 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA469735  Gilia stellata Robert Gustafson 1978-3-21 846 -a Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  RSA49190  Gilia stellata P. A. Munz 1949-4-13 13043 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA767450  Gilia stellata J. Andre, T. La Doux 2009-3-10 11253 Riverside Joshua Tree National Park: south end of the Cottonwood Mountains near Pinkham Wash just north of aqueduct just inside National Park boundary, approx. 7 miles west of south entrance into park at Cottonwood. 542 Comment
  UCR114124  Gilia stellata B. G. Pitzer, J. Ross 1998-3-8 3608 .1 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR169787  Gilia stellata Scott D. White 2003-5-23 8835 Riverside Santa Rosa Mountains, Hwy 74 near Carrizo Creek crossing. Rancho Mirage 762 Comment
  UCR216212  Gilia stellata Jim Andre, T. La Doux 2009-2-25 10826 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR112119  Githopsis diffusa subsp. candida A. C. Sanders 1998-6-10 21979 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. east of Keen Camp Summit, c. 1 mile due south of Lake Hemet 1463 Comment
  UC284850  Glycyrrhiza lepidota P. A. Munz 1923-6-18 7132 Riverside Temecula Canyon; along creek Comment
  RSA583382  Gnaphalium californicum Steve Boyd, Darin Banks 1995-4-5 8432 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
  UCR139965  Gnaphalium californicum John F. Green 2003-6-1 s.n. Riverside San Bernardino Valley Region, Riverside, western foot of the Box Springs Mtns., Belvedere Heights, off Mt. Vernon Ave. 381 Comment
  UCR175077  Gnaphalium californicum Teresa Nieto 2005-4-24 20 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR92316  Gnaphalium californicum Scott D. White 1994-3-29 1933 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR100214  Gnaphalium canescens subsp. beneolens Scott D. White 1992-12-16 979 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  POM11935  Gnaphalium chilense Mary F. Spencer 1921-5-28 1640 Riverside Near San Jacinto 549 Comment
  UCR84613  Gnaphalium luteoalbum Scott D. White, S. Ogg 1994-4-21 1999 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM358871  Gnaphalium microcephalum N. C. Cooper 1943-10-9 952 Riverside Hemet. 366 Comment
  CLARK-A1528-224  Gnaphalium palustre Ruth Cooper 1941-6-8 78 K Riverside Menifee Comment
  UC219266  Gnaphalium palustre P. A. Munz and I. M. Johnston 1922-5-19 5371 Riverside Menifee Valley Southern California, Menifee Valley 411 Comment
  UCR20326  Gnaphalium palustre John C. Roos 1952-6-8 5742 Riverside canyon 4 mi NW of Moreno 640 Comment
  UCR22034  Gnaphalium palustre Steve Boyd 1980-5-11 257 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR232794  Gnaphalium palustre John F. Green 2008-4-16 0408- 50 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  RSA629020  Gnaphalium stramineum Scott D. White 1998-6-28 6797 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  UCR172148  Gnaphalium stramineum A. C. Sanders 2006-5-11 32266 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
  SEINET3090328 Image available Grayia spinosa P. A. Rauch 1966-4-16 Riverside Entrance to Titus Canyon Road (off Nevada State Hwy. 58 between Beatty, Nev. - Death Valley Nat'l Mon't, Calif.) Comment
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Aug 3 2013
  RSA430050  Guillenia lasiophylla Robert L. Dressler 1949-3-19 424 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  POM294580  Gutierrezia bracteata Lyman Benson 1945-11-10 11913 Riverside 5 miles east of Temecula. 457 Comment
  SD260183  Gutierrezia sarothrae T. B. Salvato, Arlee Montalvo 2015-8-22 8232 Riverside San Jacinto Mountains: Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74. 1402 Comment
  UCR163666  Haplopappus acradenius John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  RSA0066612  Harpagonella palmeri D. L. Banks 1997-3-29 1652 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  POM172319  Hazardia squarrosa var. grindelioides M. French Gilman 1930-10 5 Riverside Banning Comment
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Mar 13 2011
  UCR126490  Hedypnois cretica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16291 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
  CAS-BOT-BC211542  Helianthemum scoparium A. C. Sanders; Mike Misenhelter 2005-3-23 29272 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd., Wildomar 7.5' Q, Santa Ana Mts. 701 Comment
  POM360037  Helianthus gracilentus Christopher Davidson 1975-6-16 2802 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  UCR133327  Helianthus gracilentus John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR280917  Helianthus gracilentus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 27 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UCR18115  Helianthus niveus subsp. canescens A. C. Sanders 1978-4-2 00137 Riverside Sonoran (Colorado) Desert, Coachella Valley, between Miles Ave. and Hwy 111, just east of Washington St 30 Comment
  RSA618423  Hemizonia fasciculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mountains, Agua Tibia Mountains: Northwestern foothills of Dorland Mountain, along Los Caballos Road, approximately 0.4 m south of Hwy. 79, 150 m north of Anza Road. Along the west side of the road in areas burned by the 1996 Temecula Fire. 390 Comment
  UCR133679  Hemizonia fasciculata John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA713780  Hemizonia mohavensis A. C. Sanders, S. D. Boyd, J. S. Ross, Mitch Provance 1998-10-25 22276 Riverside Herkey Creek, Garner Valley along Hwy 74 near Lake Hemet Campground, north side of road. 1329 Comment
  RSA716381  Hemizonia mohavensis Scott D. White 2006-4-27 11300 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR128250  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR239889  Hemizonia paniculata O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR266254  Hemizonia paniculata D. E. Bramlet 2006-7-26 4041 Riverside Perris-Aguanga Basin Region, Menifee Valley, Old Newport Road west of Briggs Rd. 439 Comment
  RSA556461  Hemizonia pungens subsp. laevis Julie Greene 1993-4-30 1248 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
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Nov 26 2014
  RSA700937  Hemizonia pungens subsp. laevis Michael Wall 1996-7-6 146 Riverside San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  RSA1909  Hesperocallis undulata B. D. Stark 1931-4-27 1090 Riverside 2.0 miles east of Mecca. Alt. below sea level. Comment
  RSA377054  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  UCR249831  Hesperocallis undulata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7306 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UC29094  Heterocodon rariflorum H. M. Hall Jun 1901 2205 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR193297  Heterocodon rariflorum A. C. Sanders, Tim Thomas 2008-6-20 35545 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  JEPS20371  Heterotheca grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River Comment
  RSA0075896  Heterotheca grandiflora R. Weatherby 1949-5-13 411 Riverside La Sierra Hills, Arlington. 152 Comment
  RSA160436B  Heterotheca sessiliflora subsp. echioides J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  UC1999909  Heterotheca sessiliflora subsp. fastigiata J. C. Semple, J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  SD67922  Heuchera hirsutissima Reid Moran 1968-8-3 15368 Riverside north slope 1 mile west of summit Santa Rosa Mountain 2150 Comment
  CAS-BOT-BC425262  Heuchera rubescens Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Peak, San Jacinto Mts. 3293 Comment
  JOTR31979  Hibiscus denudatus La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2215 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA0026135  Hibiscus denudatus Deidre Conocchioli, Caitlin Elam 2013-10-2 77 Riverside SW of Bristol Mtns Wilderness Area. From Blythe, head northwest on the Mildland-Rice Rd for 9.6 miles. Turn right onto unmarked BLM Rd and follow NE for 1.6 miles to collection site. 307 Comment
  UCR163059  Hoffmannseggia glauca B. G. Pitzer, G. R. Ballmer 2000-10-14 4220 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  CAS-BOT-BC206378  Hoffmannseggia microphylla S. B. Parish; W. F. Parish 1884-4-1 591 Riverside Agua Caliente Comment
  CAS-BOT-BC207559  Hoffmannseggia microphylla Aven Nelson; Ruth Nelson 1939-3-28 3310 Riverside In the road-side swales, between Mecca and Hidden Springs Comment
  CAS-BOT-BC207562  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  LA45807  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-7 sn Riverside Oasis Comment
  SBBG119035  Hoffmannseggia microphylla S. J. DeGroot, T. Thibault, V. Arvizu, L. Gross, L. Rojas 2004-5-14 4335 Riverside N of the Chocolate Mtns, just N of the Bradshaw Trail, S of Orocopia Mtns 168 Comment
  SD44854  Hoffmannseggia microphylla Darley F. Howe 1952-4-27 2185 Riverside Highway east of Mecca at All American Canal Comment
  UCD105856  Hoffmannseggia microphylla Geoffrey Levin 1975-4-5 465 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernardino Mountains. Salton Sink Drainage area. 60 Comment
  SD152846  Hoita macrostachya Steve Boyd, Timm Ross, Dave Bramlet 1992-9-9 7669 Riverside Southern Santa Ana Mts, San Mateo Canyon Wilderness Area, upper San Mateo Cyn from junction of Tenaja Rd (7S01) & Los Alamos Rd (7S04) at confluence of Los Alamos Creek up the San Mateo Trail N to Potrero de la Cienega, about stream, top of Tenaja Falls 395 Comment
  UC866235  Hoita orbicularis Crawford and Johnston 1917-6-9 1224 Riverside near Corona; Santa Ana River Comment
  UCR189778  Holocarpha virgata subsp. elongata Theresa Johnson 2006-6-2 154 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Ecological Preserve on Mesa De Colorado, c. 1 km from Clinton Keith Road Comment
  SEINET10598964  Hordeum californicum Philip A. Munz 1937-3-27 Munz 14936 Riverside Damp flat, overflow from Lake Elsinore, Elsinore. 305 Comment
  RSA717589  Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA356722  Hordeum marinum subsp. gussoneanum R. F. Thorne, Earl Lathrop 1975-5-25 45550 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  POM48756  Horkelia clevelandii Fordyce Griffiths Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  UCR174620  Horkelia cuneata Jennifer H. Jones 2006-6-6 389 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCD106069  Hosackia crassifolia C. V. Meyer 1927-6-1 182 Riverside Saundere Meadow, San Jacinto Mts. 1737 Comment
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Feb 9 2013
  RSA502893  Hulsea heterochroma Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  JEPS19516  Hulsea vestita subsp. callicarpha Peter H. Raven with R. Snow 1957-7-26 11098 Riverside 0.7 mi n Vista Grande Ranger Station (Banning--Idyllwild Road); San Jacinto Mountains Comment
  POM360725  Hulsea vestita subsp. callicarpha Anonymous 1949-6-29 s.n. Riverside San Jacitno Mt. Above Banning 1220 Comment
  RSA314160  Hulsea vestita subsp. callicarpha Walter Wisura 1983-6-25 3913 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  UCR253359  Hulsea vestita subsp. callicarpha Ana Hernandez, John Dvorak 2011-8-4 028 Riverside San Jacinto Mountains, west of Forest Route 4S02.3 (Azalea Trail), 0.5 km south of Dark Canyon Campground 1746 Comment
  RSA650958  Hymenoclea salsola Marion P. Harthill 1973-2-17 1564 Riverside W. Palm Springs. 366 Comment
  UCR41553  Hymenoclea salsola A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6107 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA429838  Hymenolobus procumbens E. C. Jaeger 1922-4-16 713 Riverside Covington Ranch, Morongo Valley 610 Comment
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May 29 2011
  POM13107  Hymenopappus filifolius var. lugens P. A. Munz, I. M. Johnston 1922-5-21 5504 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  UC1979615  Hypochaeris glabra D. L Banks, Steve Boyd 1995-5-3 0190 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  CAS-BOT-BC219744  Hyptis emoryi Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs [Spring] Comment
  CAS-BOT-BC219751  Hyptis emoryi W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC219761  Hyptis emoryi Ivan Johnston 1917-4-4 1098 Riverside Near Palm Springs Comment
  CAS-BOT-BC219768  Hyptis emoryi R. Freeman 1977-3-9 2172 Riverside S-O & Q-O South side of Chuckwalla Mnts. Comment
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA790624  Hyptis emoryi Aaron C. Sedgwick, David Fraker 2012-4-24 7 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  SFV21859  Hyptis emoryi J. R. Pucci 2001-4-7 9 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  UCR147740  Hyptis emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11220 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR244923  Hyptis emoryi Jim Andre 2012-3-19 21372 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR255953  Hyptis emoryi Deidre Conocchioli, Duncan S. Bell 2014-3-11 152 Riverside Devil Canyon in the Santa Rosa Wilderness Area, west of Coachella Valley, 3 mi south of Lake Cahuilla 110 Comment
  UCR54047  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA199008  Isoetes howellii R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37420 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  RSA684554  Isoetes howellii Christopher Davidson 1977-5-25 5665 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  UCR102717  Isomeris arborea B. G. Pitzer 1998-1-24 3403 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR21026  Iva axillaris A. C. Sanders, Steve Boyd 1980-5-19 1482 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  JOTR16835  Ivesia saxosa Moore, Sue 1968-5-13 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  UCR127543  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UC1951163  Juglans californica Scott D. White, Justin Wood 2009-5-22 12927 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  CAS-BOT-BC110075  Juncus acutus S. B. Parish 1907-4-22 6146 Riverside Western border of the Colorado Desert. Palm Canon [Canyon]. 200 Comment
  UCR133386  Juncus balticus Tracy Tennant, T. B. Salvato 1998-6-23 495 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR164297  Juncus balticus S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  POM259107  Juncus bufonius Phillip A. Munz 1938-8-14 15351 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  JOTR00976  Juncus bufonius var. bufonius Cole, James E. 1941-6-9 859 Riverside Joshua Tree National Park. PEARL SPRING 1371 Comment
  RSA268209  Juncus effusus subsp. austrocalifornicus M. B. Dunkle 1933-7-21 3722 Riverside Idyllwild 1616 Comment
  RSA704866  Juncus effusus subsp. austrocalifornicus J. Russell Bruff 1934-6-19 555 Riverside Idyllwild Comment
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Jul 29 2010
  UCR24963  Juncus macrophyllus A. C. Sanders 1980-8-23 1758 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  SD60445  Juncus oxymeris Reid Moran 1964-7-27 11859 Riverside Edge of stream, canyon of Santa Margarita River, 2I(c) miles south-southwest of Temecula, [3I(c) miles north-northwest of Rainbow]. 199 Comment
  UCR193860  Juncus patens A. C. Sanders 2008-7-25 35884 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 1524 Comment
  UC1931232  Juncus rugulosus Scott D. White, Justin Wood 2008-7-10 12452 Riverside San Jacinto Mountains: Fobes Spring (Palm View Peak) Comment
  RSA284590  Juncus tiehmii C. W. Tilforth, B. Busenberg 1980-6-10 1987 -A Riverside 3.8 miles in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  SEINET3069034 Image available Juncus tiehmii B. J. Ertter, J. L. Strachan 1979-6-26 2971 Riverside Behind Kenworthy Ranger Station, near Route 74 in Hemet Valle, San Jacninto Mountain, San Bernardino Nat'l Forest 760 Comment
  UCR131827  Juncus xiphioides Jennie Phui 1998-5-30 032 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  JEPS48239  Juniperus californica W. L. Jepson 1928-4-25 12583 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
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Oct 9 2010
  JEPS9188  Justicia californica John Thomas Howell 1928-1-30 3306 Riverside 2 mi. e. Shaver's Well; Colorado Desert Comment
  UC888141  Justicia californica Ira L. Wiggins 1937-3-9 8757 Riverside 5 mi. w. Shaver's Well Comment
  UCSB6232  Justicia californica Haller, John 1960-4-2 Riverside North side of U.S. 60-70 miles W. of the south enterance road to Joshua Tree National Monument about 22 miles east of Indio 487 Comment
  POM44746  Keckiella antirrhinoides Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA314461  Keckiella antirrhinoides Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55474 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA424817  Keckiella antirrhinoides N. C. Cooper 1944-6-4 1329 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  UCD123739  Keckiella antirrhinoides K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR15968  Keckiella antirrhinoides Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns., Cleveland National Forest; along Hwy 74, 10.18 mi from Orange County line, 1 meter from road, above Lake Elsinore Comment
  UCR248185  Keckiella antirrhinoides David J. Keil 1983-4-15 16899 Riverside east of Temecula on SR 79 Comment
  UCR252216  Keckiella antirrhinoides J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  CAS-BOT-BC236708  Keckiella antirrhinoides subsp. antirrhinoides L. Street 1917-5-15 1932 Riverside Between Elsinore and Perris Comment
  CAS-BOT-BC236711  Keckiella antirrhinoides subsp. antirrhinoides H. E. McMinn No date on label. 39 Riverside March - Redlands Comment
  RSA770688  Keckiella antirrhinoides subsp. antirrhinoides Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4814 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  UCR168137  Keckiella ternata T. B. Salvato, John F. Green 2004-5-27 580 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
  NY790419  Keckiella ternata subsp. ternata G. D. Wallace 1966-7-3 647 Riverside San Jacinto Mountains, near Idyllwild Comment
  RSA293513  Keckiella ternata subsp. ternata C. W. Tilforth, Walter Wisura 1979-8-8 1896 Riverside Along Hwy 74 east junction with Hwy 371. Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. Comment
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Jun 26 2013
  UCR275211  Kochia scoparia A. C. Sanders, Karen Kirtland 2016-9-23 42629 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
  SD178094  Koeleria macrantha John Wear 1998-7-8 Riverside Pine Meadow in eastern Garner Valley, R-Ranch, just east of Highway 74, between Gold Hill and Thomas Mountain. 1372 Comment
  JOTR34022  Krameria bicolor La Doux, Tasha, M. Harding 2010-4-7 2909 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UCSB16824  Krameria bicolor Field, L. 1963-5-5 Riverside 5.3 miles south Palm Desert on California Highway 74 Comment
  UC1130217  Krameria grayi H. S. Yates 1936-4-8 5454 Riverside near Fish Springs; Thermal Quad. 60 Comment
  UC68945  Laennecia coulteri H. M. Hall 1905-4-1 5941 Riverside Paloverde Valley Colorado Desert,Paloverde Valley 76 Comment
  UC38730  Lamarckia aurea E. L. Koethen Apr., 1897 9 Riverside Riverside Comment
  UCR256767  Lamarckia aurea T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7880 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA0074189  Lamium amplexicaule Justin M. Wood 2008-11-17 233 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA469608  Langloisia setosissima subsp. setosissima Robert Gustafson 1983-3-27 2482 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA480076  Langloisia setosissima subsp. setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA795940  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-18 256 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  RSA457768  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2219 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SFV2004  Larrea tridentata M. L. Vincent, R. H. Swade 1963-10-19 462 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCR214556  Larrea tridentata A. C. Sanders 2010-3-15 37422 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  UCR214854  Larrea tridentata Bao Doan 2010-5-31 08 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  UCR89566  Larrea tridentata George K. Helmkamp 1994-3-8 41 16 Riverside Western Colorado Desert, SW-facing slope at the junction of [Date] Palm Dr. and Varner Rd., below Edom Hill, 'Indio Hills 152 Comment
  CAS-BOT-BC338930  Lasthenia californica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 670 Comment
  SD119901  Lasthenia californica Robert McAllister 1969-4-21 343 Riverside San Jacinto Valley; from area near Avery Canyon. 490 Comment
  RSA85450  Lasthenia coronaria J. C. Roos 1952-4-13 5535 Riverside Box Springs Mtns. 396 Comment
  CAS-BOT-BC328104  Lasthenia glabrata subsp. coulteri D. Bramlet 1995-5-5 2407 Riverside 7.5 km W of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs). 435 Comment
  UC62982  Lasthenia gracilis H. M. Hall 1902-4-7 2753 Riverside vicinity of Riverside (Alessandro) 426 Comment
  RSA606062  Lathyrus R. S. Woglum 1934-3-18 648 Riverside Peninsuar Ranges: San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  RSA180276  Lathyrus vestitus subsp. alefeldii E. W. Lathrop 1965-4-4 5627 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR87663  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  SEINET3479044  Layia platyglossa A. G. Vestal 1962-3-29 Riverside Temecula, Temecula, 0.3 miles south Comment
  CLARK-A1528-4709  Leersia oryzoides John C. Roos 1965-11-4 Riverside Riverside Comment
  HSC85302  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn. Head of large canyon draining the SE side of Estelle Mtn. Comment
  UCR117383  Lepidium densiflorum A. C. Sanders, T. B. Salvato 2001-5-25 24390 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  CLARK-A1045-126  Lepidium dictyotum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UC205107  Lepidium dictyotum D. Cleveland 1882-5-3 Riverside Temecula Plain Comment
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Nov 9 2009
  RSA429905  Lepidium fremontii M. B. Dunkle 1934-3-31 4439 Riverside Pinto Basin, Colorado Desert 915 Comment
  SEINET10874473  Lepidium fremontii Wolf 1932-4-27 WOLF 3043 Riverside Habitat: open valley, sandy loam, sun. Colorado desert. Mecca- blythe rd. .75 Mi. W. Of utopia. Comment
  RSA649253  Lepidium lasiocarpum Faulkner 1978-3-15 280 Riverside 1 mi. W of Hwy 95, 25 mi. N of Blythe. 152 Comment
  SD51952  Lepidium virginicum var. pubescens Reid Moran 1962-7-7 9863 Riverside Strawberry Creek, 2 miles southeast of Idyllwild, San Jacinto Mountains 1550 Comment
  RSA586919  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-5-3 254 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA697079  Lepidospartum squamatum J. R. Bruff 1927-11-24 4 Riverside Whitewater. Comment
  RSA771792  Lepidospartum squamatum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4609 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR136318  Lepidospartum squamatum Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCR89986  Lepidospartum squamatum Scott D. White, Steve Myers 1995-10-21 3724 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  RSA524407  Leptosiphon androsaceus Steve Boyd 1990-4-3 4098 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
  UCSB31638  Leptosiphon ciliatus Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  RSA0074209  Leptosiphon floribundus Thekla Mohr 1920-5-1 s.n. Riverside [Glen] Ivy Canyon, Temescal. Comment
  HSC85403  Leptosiphon lemmonii Steve Boyd 1986-4-19 1696 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  RSA487445  Leptosiphon lemmonii Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  SD73177  Leptosiphon parviflorus D. F. Howe 1969-5-15 Riverside Hear Dripping Springs Camp 456 Comment
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Mar 6 2013
  CAS-BOT-BC339364  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt. San Jacinto Comment
  SBBG52759  Lessingia glandulifera var. glandulifera Dr. H. de Forest 1930-8-28 Riverside W side of San Jacinto Valley Comment
  RSA563876  Leymus triticoides A. C. Sanders 1993-5-12 14015 Riverside Hemet, W side of Warren road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Road. 457 Comment
  RSA768502  Limonium duriusculum Justin M. Wood 2009-11-30 1386 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA680094  Limonium ramosissimum R. E. Riefner 2003-5-27 3 -241 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  RSA0080316  Linanthus bigelovii Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7361 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  UCR198186  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  LA211892  Linanthus ciliatus L. Gross; Duncan Bell 2013-4-30 6029 Riverside SAN JACINTO MOUNTAINS, Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, S to Strawberry Creek. 1510.0 Comment
  SDSU3176  Linanthus ciliatus Bruhns 1965-5-22 109 Riverside Slope around girls' dormitory of desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  RSA654613  Linanthus dianthiflorus Starr Streight 1982-4-17 72 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UC1563137  Linanthus dianthiflorus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3182 Riverside Vail Lake area, in hills just to sw of the dam Vail Lake Area 487 Comment
  UCR260883  Linanthus dianthiflorus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41490 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  POM191837  Linanthus jaegeri H. M. Hall 2323 Riverside Tahquitz Peak. Comment
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Oct 29 2006
  UCR51953  Linanthus jonesii Steve Boyd, T. S. Ross, D. Nordin, L. Arnseth, Richard Noyes, S. Meury 1988-3-10 2174 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA702730  Linanthus liniflorus Scott D. White, Michael Honer 2004-4-6 10059 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
  RSA751425  Linanthus liniflorus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35577 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1560 Comment
  SDSU3164  Linanthus nuttallii subsp. floribundus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
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Jul 8 2009
  POM13055  Linanthus pungens E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mountains, Tacquitz Comment
  RSA586846  Linaria canadensis D. L. Banks, Steve D. Boyd 1995-5-3 265 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
  UCR166167  Linaria canadensis var. texana John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  CLARK-A1528-602  Linum lewisii Bruce Freeman 1969-6-14 690614-1 Riverside San Jacinto Mountains Comment
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UC218031  Loeseliastrum schottii P. A. Munz, D. Keck 1922-4-13 4936 Riverside Chuckwalla Valley, Desert Center Colorado Desert, Chuckwalla Valley, Desert Center 182 Comment
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Apr 5 2011
  UC909134  Loeseliastrum schottii Herbert L. Mason 1928-3-10 4200 Riverside <White Water> R. Comment
  UCSB18164  Loeseliastrum schottii Day, Fran 1964-3-23 Riverside Ramon Road; 3 miles E of U.S. Highway 99 91 Comment
  UCR60933  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3195 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  SD124230  Logfia filaginoides Robert F. Thorne, Fosberg, Sachet and Herbst 1983-4-23 55488 Riverside San Bernardino Mountains; sandy wash along Whitewater River. Four miles north of Whitewater Post Office. 640 Comment
  UCR59859  Logfia filaginoides J. M. Stewart 1988-3-21 623 Riverside Sonoran (Colorado) Desert, Corn Spring Canyon about 2 miles west of Aztec Well 688 Comment
  SEINET182499  Lomatium dasycarpum I. W. Clokey 1935-4-18 7680 Riverside Cavilan Peak 700 Comment
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Dec 29 2013
  POM13105  Lomatium dasycarpum subsp. dasycarpum P. A. Munz, I. M. Johnston 1922-5-21 5501 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  POM47732  Lomatium dasycarpum subsp. dasycarpum J. B. Feudge 1924-3-22 556 Riverside Beaumont 762 Comment
  UCR6041  Lomatium mohavense Leland E. Francois 1966-4-23 42366- 9 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  POM184737  Lomatium mohavense subsp. longilobum P. A. Munz, C. L. Hitchcock 1932-4-9 12228 Riverside open flats, White Tanks, eastern Riverside. Comment
  UC1375401  Lomatium utriculatum Louis B. Ziegler 1969-5-7 Riverside Hemet Valley near Kenworthy Ranger Station San Jacinto Mountains 1447 Comment
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Mar 25 2011
  UCR116917  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23954 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR256753  Lomatium utriculatum T. B. Salvato, Matthew Malle 2013-4-15 7542 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  RSA180334  Lonicera subspicata var. denudata E. W. Lathrop 1965-5-18 5762 Riverside 8 miles W of Murrieta; hills around 300 ft high. 609 Comment
  UC1366096  Lonicera subspicata var. denudata K. R. Montgomery 1969-9-6 69 -17 Riverside 18 mi s Hemet (Wilson Valley Road) 1219 Comment
  UCR84621  Lotus argophyllus Scott D. White 1994-4-21 1994 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UC15672  Lotus grandiflorus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR26372  Lotus grandiflorus A. C. Sanders 1981-7-11 2207 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  UCR42785  Lotus hamatus B. G. Pitzer, Karen Kirtland 1986-5-20 0230 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  UCR90277  Lotus hamatus Scott D. White 1995-7-7 3441 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA600851  Lotus heermannii C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  RSA644300  Lotus heermannii Scott D. White, Mike Wilcox 1995-7-11 3469 Riverside NE Santa Ana Mts. Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 730 Comment
  UCR109482  Lotus heermannii A. C. Sanders, D. R. Schramm, D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  UCR241928  Lotus humistratus A. C. Sanders, John F. Green 2013-3-27 40686 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 416 Comment
  RSA641177  Lotus nevadensis var. nevadensis R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38113 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  CLARK-A1656-715  Lotus rigidus unknown 1981-3-14 Riverside Coachella Valley Comment
  UC864873  Lotus rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwood Springs Comment
  UCSB16928  Lotus rigidus Dennis E. Breedlove 1962-3-11 1893 Riverside collected 8.0 mi SW, along State Highway 74 Palm Desert - Palm Desert and State Highway 74 640 Comment
  UCR137561  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-5 27760 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA607009  Lotus strigosus Leota Brice 1930-4-13 s.n. Riverside Hemet Comment
  RSA627854  Lotus strigosus A. C. Sanders 1994-5-30 14592 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR127355  Lotus strigosus A. C. Sanders, D. Malueg 2003-5-8 26571 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR180388  Lotus strigosus Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11272 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  VVC2466  Lotus strigosus Tim Thomas 2013-3-18 5927 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  RSA627576  Lotus strigosus var. hirtellus Scott D. White, Julia Greene 1998-8-1 6970 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  RSA406334  Lotus strigosus var. strigosus E. Crow 1929-2-24 179 Riverside Near Cabazon, NW Colorado Desert Comment
  RSA526495  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross 1990-5-11 4690 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR108400  Lotus strigosus var. strigosus D. L. Banks, V. W. Steinmann 1997-3-13 1458 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  POM46827  Lotus tomentellus Mary F. Spencer 1920-3-12 12192 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  RSA498756  Lotus tomentellus H. de Forest 1937-3-15 418 Riverside South of Rice. Comment
  UCR72384  Lotus tomentellus Theo Glenn 1991-5-8 91- 78 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA406281  Lotus unifoliolatus Christopher Davidson 1977-5-25 5664 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  RSA568562  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  POM126308  Lupinus arizonicus Thos. Craig 1927-4-2 39 Riverside Canyon near Hidden Springs. Comment
  POM304858  Lupinus arizonicus Henry J. Ramsey 1939-11-28 277 Riverside 20 miles east of Indio. Comment
  POM350004  Lupinus arizonicus D. A. Young 1969-3-21 458 Riverside Highway 71 approx. 1 miles Southwest of Elsinore. 183 Comment
  SBBG3535  Lupinus arizonicus H. and M. Dearing 1939-12-31 4063 Riverside near NE end of Salton Sea Comment
  SD48478  Lupinus arizonicus E. K. Balls, P. C. Everett 1958-3-20 22937 Riverside South base of Eagle Mountains, US Hwy 60/70 366 Comment
  RSA718299  Lupinus arizonicus Michael Honer, L. Hulse 2004-4-2 1880 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  POM306064  Lupinus bicolor Henry J. Ramsey 1937-5-30 1322 Riverside Santa Rosa Mountains Comment
  UC1401245  Lupinus bicolor D. Dunn 1947-3-16 2921 Riverside in Banning Pass 1/2 mi n Cabazon; n of Cabazon in Banning Pass Comment
  POM317055  Lupinus bicolor subsp. microphyllus F. W. Peirson 1922-4-29 5224 Riverside South of Lake Elsinore. 381 Comment
  SD63735  Lupinus breweri Peta Mudie 1965-7-5 488 Riverside Dry SW slope on NW side of Santa Rosa Mountain, on unpaved road from Hwy 74 to National Forest campsite 1000 Comment
  RSA793013  Lupinus concinnus Justin M. Wood 2011-4-4 3391 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  SD73601  Lupinus concinnus Helen V. Witham 1970-4-29 814 Riverside Highway 74, 1.0 mile west of Lake Hemet. 1200 Comment
  UC1543234  Lupinus concinnus Donald G. Nelson 1936-5-24 421 Riverside e Lake Hemet (across from Hurkey Creek Camp, n of Mt. Tomas, San Jacinto Mountains); San Jacinto Mountains, e of Lake Hemet, n of Mt. Tomas Comment
  UC668380  Lupinus concinnus Annie M. Alexander and Louise Kellogg 1941-5-6 2127 Riverside 13 mi sw 29 Palms (Joshua Tree National Monument); , sw of 29 Palms 1371 Comment
  UCR241102  Lupinus concinnus A. C. Sanders, Timothy W. Chumley 2013-4-2 40739 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR87659  Lupinus concinnus A. C. Sanders 1994-5-29 14565 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  POM12633  Lupinus concinnus subsp. optatus Philip A. Munz, I. M. Johnston 1922-5-19 5402 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA249455  Lupinus concinnus subsp. optatus John F. Emmel 1973-6-2 458 Riverside Firebreak near highway, on ridge from Dry Creek to Chalk Hill, S of Idyllwild, San Jactinto Mts. 1512 Comment
  POM12739  Lupinus concinnus var. concinnus P. A. Munz 1922-4-30 5130 Riverside Tucalota Creek, south of Hemet Comment
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May 28 2011
  CAS-BOT-BC216680  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, SW of Beaumont, Bad lands 670 Comment
  POM305372  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1938-3-26 646 Riverside Elsinore Temecula Comment
  RSA770703  Lupinus excubitus var. austromontanus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4809 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR121228  Lupinus excubitus var. austromontanus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2268 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  JOTR34172  Lupinus excubitus var. excubitus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 128 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UCR91657  Lupinus excubitus var. hallii D. L. Banks, Steve Boyd 1995-4-5 146 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail, on terraces of W fork of Arroyo Seco. 573 Comment
  RSA78781  Lupinus formosus Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17278 Riverside Just W of junction of Hwy 74 and road to Anza, south of Idyllwild 1372 Comment
  SDSU4976  Lupinus formosus Garrison 1962-7-29 Riverside San Jacinto Mountains. 2 miles beyond Black Mountian campground. 2286 Comment
  RSA413695  Lupinus hirsutissimus M. V. Hood 1945-3-26 s.n. Riverside Aguanga. 610 Comment
  UC917869  Lupinus hirsutissimus Frank W. Gould 1943-4-18 2141 Riverside on Idlewild cutoff near Banning; near Banning Comment
  UCR18117  Lupinus pallidus A. C. Sanders 1978-4-2 00356 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  RSA87035  Lupinus shockleyi F. W. Peirson 1922-4-18 2434 Riverside Whitewater River, head of Coachella Valley, Riverside County Comment
  UC68635  Lupinus sparsiflorus H. M. Hall Apr 1905 5891 Riverside Chuckawalla Springs; Colorado Desert, Chuckawalla Springs Comment
  UCD109488  Lupinus sparsiflorus William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR117077  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23961 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR213497  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38411 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  UCR214142  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37723 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR272436  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 040 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2.2 air miles north of the Whitewater Preserve Ranger Station, hillside east of the Whitewater River drainage 885 Comment
  CLARK-A1045-884  Lupinus truncatus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains roadside; Wildomar 7.5'Q Comment
  CLARK-A1528-2851  Lupinus truncatus John C. Roos 1947-3-15 3326 Riverside Valle Vista Comment
  RSA28732  Lupinus truncatus R. S. Woglum 1938-5-1 1611 Riverside Peninsular Ranges: San Jacento Valley; Hemet. . Comment
  SD237446  Lupinus truncatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Jurtz. 2010-4-2 37734 Riverside Peninsular Range: Amberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mile NE (34a^z) of intersection of Temescal Canyon Road and Concordia Ranch Road. (Alberhill 7.5'Q) 427 Comment
  UCR166173  Lupinus truncatus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR225717  Lupinus truncatus A. C. Sanders 2011-3-30 38910 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
  UC1077075  Lycium Herbert L. Mason 1928-3-10 4215 Riverside Hidden Springs Canyon Coachella Mts. Comment
  SD247514  Lycium andersonii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41495 Riverside San Gorgonio Pass: north of San Gorgonio River was c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant (White Water 7.5'Q) 456 Comment
  SEINET3825223 Image available Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon, 2 miles north of Boulevard from Banning to Indio Comment
  UCR251577  Lycium andersonii Jim Andre 2013-3-27 24842 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCSB5905  Lycium andersonii Haller, John 1960-4-3 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  UCR279522  Lycium brevipes A. C. Sanders, Jim Malusa 2017-3-27 43122 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
  UC667319  Lycium cooperi Annie M. Alexander and Louise Kellogg 1941-5-23 2226 Riverside near Cottonwood Spring; Colorado Desert, Eagle Mountains 883 Comment
  UC213497  Lycium fremontii L. G. Childs 1921-1-29 Riverside Santa Rosa Mts. Colorado Desert 152 Comment
  RSA709802  Lythrum californicum A. C. Sanders 2004-5-12 27890 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA708240  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA735191  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-6-4 10462 Riverside San Jacinto Mountain foothills: Indian Creek. Stream and margins in slow-flowing areas, gen. beneath riparian canopy. 549 Comment
  SDSU19223  Lythrum hyssopifolia Kristen Hasenstab, Dave Bailey 2008-8-7 182 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. Plant growing 1m from the edge of the river. 215 Comment
  UCD103051  Lythrum hyssopifolia A. C. Sanders 1998-5-21 21871 Riverside Hemet. Along Stetson Ave. W of Warren Road. 457 Comment
  UCR18373  Machaeranthera canescens Jeanine Derby 1977-1-13 s.n. Riverside San Jacinto Mtns, south fork of San Jacinto River 1067 Comment
  UCR114747  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22798 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  RSA263670  Madia gracilis E. W. Lathrop 1968-5-26 6935 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA463262  Mahonia nevinii L. F. LaPre, K. Campbell 1988-1-22 s.n. Riverside Tonan property, along Temecula Creek on old Vail Ranch, E of Temecula. Comment
  RSA500088  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3224 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  POM13249  Malacothrix clevelandii P. A. Munz, I. M. Johnston 1922-5-19 5347 Riverside 5 miles NE of Murietta. 457 Comment
  UCR23077  Malacothrix clevelandii W. W. Mayhew 1981-5-23 s.n. Riverside San Jacinto Mtns, Hwy 243, 2 mi south of Banning 793 Comment
  GMDRC9809  Malacothrix glabrata J. M. Andre 2017-3-1 38030 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  POM362314  Malacothrix glabrata N. C. Cooper 1949-3-15 3033 Riverside Palm Springs. 122 Comment
  RSA33571  Malacothrix glabrata N. C. Cooper 1944-3-25 1021 Riverside Cabazon. 457 Comment
  RSA525230  Malacothrix glabrata Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4607 Riverside Vail Lake area, NE of lake along Powerline road, 0.6 mile W of jct Hwy R3. Comment
  RSA602694  Malacothrix glabrata L. C. Wheeler 1952-4-6 6853 Riverside Joshua Tree National Monument: Pinto Basin. Comment
  SEINET2042092 Image available Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside (Desert Hot Springs Quad 7.5')Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  UC33283  Malacothrix glabrata W. G. Wright 1889-1 1754 Riverside Colorado Desert Comment
  UCR165296  Malacothrix glabrata John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCR211818  Malacothrix glabrata Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1080 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  UCR262098  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41520 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  RSA160431  Malacothrix saxatilis J. D. Olmsted 1959-4-17 397 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
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Nov 19 2011
  UCR89805  Malacothrix saxatilis Scott D. White 1993-5-27 1418 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA220972  Malacothrix saxatilis var. tenuifolia E. W. Lathrop 1966-5-1 62 Riverside 4 mi W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 610 Comment
  UC1979612  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  RSA617696  Malva parviflora Scott D. White 1996-12-26 4643 Riverside Perris area 427 Comment
  UCR40136  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA7198  Mammillaria dioica B. D. Stark 1932-09 7375 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
  SFV6503  Mammillaria dioica T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 41 Riverside 4 miles south of Highway 111 on Highway 74. 305 Comment
  RSA651081  Marah macrocarpa Diane M. Ramirez 1983-5-15 8 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  UCR135861  Marah macrocarpa A. C. Sanders 2004-4-20 27525 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
  JOTR29083  Marina parryi La Doux, Tasha 2005-3-30 1200 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR36435  Marina parryi La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3406 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
  RSA692199  Marina parryi Scott D. White, Michael Honer 2003-5-14 9300 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG22978  Marina parryi D. Myrick 1965-3-2 1070 Riverside near Midland, N of Blythe 91 Comment
  CAS-BOT-BC71090  Marsilea vestita W. G. Wright; C. G. Pringle 1881-1-1 s.n. Riverside Riverside Comment
  CAS-BOT-BC71091  Marsilea vestita C. G. Pringle August 7 s.n. Riverside Riverside Comment
  RSA0013134  Matricaria discoidea LeRoy Gross, Caitlin Elam 2013-5-14 6062 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR85085  Medicago lupulina A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16028 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM2405  Medicago lupulina D. L. Crawford, I. M. Johnston 1917-6-9 1234 Riverside Santa Ana River near Corona Comment
  CLARK-A1528-2858  Medicago polymorpha John C. Roos 1952-4-9 5487 Riverside Fairmont Park Comment
  RSA799091  Melica frutescens Sarah J. De Groot, Evan Meyer, Abby Hird 2013-3-23 6889 Riverside Joshua Tree National Park, Biodiversity Hunt; north and northwest part of Lost Palms Oasis 988 Comment
  RSA487546  Melica imperfecta Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  RSA712547  Melica imperfecta T. B. Salvato 2004-5-27 579 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR165425  Melica imperfecta A. C. Sanders 2005-4-21 29582 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR178350  Melica imperfecta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1057 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR281487  Melica imperfecta Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 86 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  CDA4200  Melilotus indicus Bob Rose 1964-3-11 Riverside IKI Farms, Mecca Heights, ca. 2 miles north of the Salton Sea, Coachella Valley. 0 Comment
  RSA594036  Melilotus indicus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0926 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  JOTR32422  Menodora scabra var. glabrescens Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 11 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  UCR94927  Mentha spicata Scott D. White 1996-8-15 4477 Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 bridge 900 Comment
  RSA735068  Mentha suaveolens Scott D. White, Angelia Carey 2004-6-4 10473 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  JEPS41159  Mentzelia affinis W. L. Jepson May 17 1901-Jun 1 1901 1234 Riverside Riverside, Santa Rosa Peak and Palomar Comment
  POM3011  Mentzelia affinis L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
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Apr 16 2011
  RSA0038370  Mentzelia affinis A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  UCR244437  Mentzelia albicaulis Jim Andre 2012-4-16 20937 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
  RSA698074  Mentzelia involucrata J. R. Bruff 1930-5-18 s.n. Riverside Shaver s Well. Comment
  RSA777730  Mentzelia involucrata Jim Andre, G. L. Clifton 2011-2-22 17440 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  UCR102746  Mentzelia involucrata B. G. Pitzer 1998-2-1 3445 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR148479  Mentzelia involucrata John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR241526  Mentzelia involucrata A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40644 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA440402  Mentzelia involucrata var. megalantha M. B. Dunkle 1933-5-6 3434 Riverside Painted Canyon Comment
  RSA80964  Mentzelia involucrata var. megalantha G. R. Campbell 1952-4-6 18413 Riverside 2 mi. s. of jct. of Cottonwood Springs road, road through Joshua Tree National Monument, south from 29 Palms. 884 Comment
  UC19579  Mentzelia micrantha H. M. Hall 1899-6-1 1219 Riverside Riverside, Temecula Creek Comment
  UCR51971  Mentzelia obscura Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2113 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCD96999  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 377 Comment
  UCR199920  Mesembryanthemum nodiflorum Scott D. White, Justin Wood 2008-4-15 11879 Riverside Perris Valley, Interstate 215, [Menifee Valley/Sun City - Perris region] between Nuevo Rd and Scott Rd. 518 Comment
  SEINET3152207  Mesosphaerum emoryi G. B. Grant 1906-1 776 -6610 Riverside Colorado desert at Palm Springs, southern California Comment
  UCR102878A  Microseris douglasii subsp. douglasii A. C. Sanders 1997-3-26 20131 A Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA524441  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4057 Riverside Vail Lake area, summit of Big Oak Mountain at E end 793 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
  RSA543763  Microseris lindleyi Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6063 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA606385  Microseris lindleyi Jon E. Keeley 1994-4-7 25294 Riverside Shipley Reserve, Study Site Sh 5. S. of Hemet, S end of Rawson Rd. 650 Comment
  UCR20707  Microseris lindleyi A. C. Sanders, Steve Boyd 1980-5-2 1434 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR213301  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37706 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR84878  Microseris lindleyi A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16123 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA0106592  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-9 0323 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SEINET14452863  Mimetanthe pilosa B. Ertter, J. Strachan 1979-1 2978 Riverside Kenworthy Ranger Station on Rt 74 in Garner Valley, San Jacinto Mts Comment
  GMDRC6570  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA444467  Mimulus aurantiacus var. pubescens J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
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May 21 2011
  RSA523840  Mimulus aurantiacus var. pubescens G. H. True 1935-4-1 192 Riverside Among rocks, steep sides of canyon. 396 Comment
  RSA715296  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32675 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  UC943864  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 B Riverside Temecula Grade Comment
  JEPS8160  Mimulus bigelovii var. bigelovii W. L. Jepson 1928-4-25 12596 Riverside Cottonwood Springs Eagle Mountains 731 Comment
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Oct 23 2011
  RSA23265  Mimulus bigelovii var. bigelovii Ernest Braunton 1940-03 2038 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  UC26868  Mimulus bigelovii var. bigelovii W. G. Wright c. 1889 1753 Riverside Colorado Desert and Mojave Desert Comment
  SFV17401  Mimulus brevipes M. S. Valenzuela, P. Wilson 1998-6-2 67 Riverside Highway 74 near mile marker 54. Found along a creek. Comment
  RSA612169  Mimulus floribundus Louis C. Wheeler 1932-7-9 930 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA442776  Mimulus guttatus E. Crow 1929-4-21 331 Riverside N. of Alberhill Comment
  UCR174076  Mimulus guttatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32590 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  JOTR30252  Mimulus pilosus Leary, C. and Leary, Pat 1979-5-6 3032 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  RSA586944  Mimulus pilosus D. L. Banks, S. D. Boyd 1995-5-17 473 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail., In the drainage immediately E of the spring just inside the wilderness boundary in north-central, section 33. 707 Comment
  UCR174078  Mimulus pilosus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32592 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CLARK-A1045-316  Mimulus puniceus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains near Murietta; ; Wildomar 7.5'Q 426 Comment
  CSUSB1907  Mimulus puniceus R. Pirot 1975-4-20 Riverside Juniper Flats Road and Highway 74 at Homeland. 548 Comment
  RSA788865  Mimulus suksdorfii Gary D. Wallace 2003-7-8 4037 Riverside Hidden Lake. Comment
  SBBG35039  Minuartia douglasii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  UC64159  Minuartia douglasii H. M. Hall May 17 1901-Jun 1 1901 1813 Riverside San Jacinto Mt.; s side 1524 Comment
  UCR226999  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  SEINET7907889  Mirabilis californica D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  UCR21136  Mirabilis californica 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
  RSA0048454  Mirabilis froebelii N. Kiner 1954-5-16 s.n. Riverside Pines to Palms Highway. 1066 Comment
  POM747  Mirabilis laevis var. crassifolia I. M. Johnston 1918-4-27 1867 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  RSA0123999  Mirabilis laevis var. crassifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9251 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UC917853  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona Comment
  RSA784965  Mirabilis laevis var. retrorsa Duncan S. Bell 2012-3-18 3229 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  RSA49376  Mirabilis laevis var. villosa P. A. Munz 1949-4-12 13037 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  LA205967  Mirabilis tenuiloba John O'Leary; 1932-4-8 429 Riverside next to Hwy 111, at 2 mi W of Palm Springs Comment
  UCR196365  Mohavea confertiflora Naomi Fraga, Lisa Rojas 2005-2-10 1359 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR59473  Mollugo verticillata Jeri Hirshberg 1989-7-14 s.n. Riverside Lake Perris, east end of lake 488 Comment
  LA63043  Monardella australis subsp. australis Elizabeth McClintock; 1941-7-12 108 Riverside San Jacinto Mountains, Trail to Deer Springs Comment
  IRVC2054  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 280 Riverside Santa Rosa Mtns: Palms to Pines Hwy. Peninsular Ranges 1098 Comment
  UC218113  Monardella linoides subsp. linoides P. A. Munz 1922-6-30 5921 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  LA96080  Monardella nana Elizabeth McClintock; 1940-7-21 28 Riverside Santa Rosa Mountains, short distance below Santa Rosa Springs Comment
  UC1499887  Monardella nana Elizabeth McClintock 1941-5-31 51 Riverside 6 miles from Anza Monument turn off Comment
  POM247675  Monardella nana subsp. arida E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
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Dec 10 2015
  RSA750396  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 26 Riverside 1 mile above canyon and stream, on Santa Rosa Mt. road. Comment
  RSA750417  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 54 Riverside About 5 miles from the Anza Monument turn off. Comment
  UCR221471  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 126 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, occuring for some distance along the trail, below the point at which the switchbacks and Salvia pachyphylla begin 2439 Comment
  UCR221486  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 075 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 4.5 miles above Pines to Palms Highway, in canyon where stream crosses road 1875 Comment
  RSA679947  Monardella nana subsp. tenuiflora LeRoy Gross, Firoozeh Navid-Ara, Valerie Soza 2003-6-23 1114 Riverside Black Moutain Road (4501), southeast of Black Moutain & northwest of Fuller Mill Creek. 2043 Comment
  RSA767766  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Fuller Mill Creek Camp, on the Banning-Idyllwild road Comment
  UC25481  Monardella nana subsp. tenuiflora H. M. Hall 1901-6-24 2258 Riverside w side San Jacinto Mountains 1828 Comment
  UCR23122  Monardella nana subsp. tenuiflora Jeanine Derby 1978-6-9 s.n. Riverside San Jacinto Mtns, SE of Lake Fulmor parking lot. Comment
  SD132294  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree National Monument. Keys Ranch, Hidden Valley area. 100 meters SW of the National Parks Service trailer Comment
  RSA562426  Monolopia lanceolata D. Bramlet 1993-4-13 2325 Riverside Adjacent of the existing dirt access rd., 610 m N of Cajalco Rd, in the ''Cajelco Bend'' area. This site some 1.1 km W of Lake Mathews Drive. 433 Comment
  POM363591  Monoptilon bellioides P. J. Remple 1942-3-1 s.n. Riverside Palm Springs (Sapp's Place) Comment
  UCR72207  Monoptilon bellioides Theo Glenn 1992-3-31 92- 15 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA719787  Muhlenbergia filiformis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1773 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA0124392  Muhlenbergia microsperma Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8748 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA496131  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3010 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  UCR19375  Muhlenbergia microsperma John C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview 762 Comment
  UCR24959  Muhlenbergia richardsonis A. C. Sanders 1980-8-23 1763 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA0097959  Muhlenbergia rigens Duncan S. Bell 2014-11-14 7714 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA282919  Muilla maritima C. W. Tilforth, B. Busenberg 1980-6-17 2007 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  UCR116964  Muilla maritima A. C. Sanders, T. B. Salvato 2001-5-3 24089 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR125283  Myoporum laetum A. C. Sanders 2003-1-14 25664 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Santa Ana River 220 Comment
  CAS-BOT-BC83348  Myosurus minimus Frank W. Peirson 1922-5-19 4171 Riverside Menifee Valley. Comment
  RSA550483  Myosurus minimus subsp. apus D. E. Bramlet 1992-4-29 2255 Riverside The site is approximately 8 km southwest of Hemet. The vernal pools are located northwest of the intersection California Ave. and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Road and some 20-700 ft west of California Ave. 456 Comment
  UCR136623  Myosurus minimus subsp. apus F. W. Peirson 1922-4-29 2945 Riverside Elsinore Trough, Lake Elsinore, about mudflat south of lake 375 Comment
  SBBG34981  Myriopteris clevelandii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning Comment
  SD224778  Myriopteris newberryi Scott D. White 1996-3-16 3833 Riverside Lakeview Mts. N of Winchester, at Maze Stone Picnic Area. 579 Comment
  SD173293  Myriopteris parryi Melvin M. Sweet 2005-4-14 123 Riverside Anza-Borrego State Park; about 1.5 km NE of Middle Willows in Coyote Canyon; on hill on east side of Coyote Wash 634 Comment
  SD9384  Myriopteris parryi S. B. Parish, W. F. Parish Mar 1880 504 Riverside San Jacinto Mountain, desert slope Comment
  RSA171991  Nama demissa Robert F. Thorne 1963-3-29 32405 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA421112  Nama demissa Christopher Davidson 1979-4-4 7693 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  SJSU8663  Nama demissa R. C. McGehee 1970-4-16 207 Riverside between Wileys Well & Nyland near E end Chocolate Mts 609 Comment
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Apr 2 2017
  JOTR30668  Nama demissa var. demissa La Doux, Tasha, Jim Andre 2008-3-21 144 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  CLARK-A1528-5061  Nama hispida var. spathulata John C. Roos 1949-4-9 4203 Riverside Desert Center 274 Comment
  HSC101509  Nama hispida var. spathulata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12754 Riverside Roadside 455 Comment
  RSA779007  Nama hispida var. spathulata Duncan S. Bell 2010-4-1 641 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  SD27988  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside Chuckwalla Valley, 19 miles west of Blythe on the Mecca Road. 399 Comment
  UCR198171  Nama hispida var. spathulata Michael Honer, Theresa Miller 2005-3-11 2063 Riverside Northeastern Colorado Desert, Rice Valley, 4.5 mi south-southeast of Rice, 1.5 mi east of ATSF railway 220 Comment
  RSA575976  Narcissus tazetta Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, upper Arroyo del Toro along old road grad west of Bull Canyon Road. 610 Comment
  RSA615323  Nassella lepida Scott D. White 1997-5-25 5226 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing. 793 Comment
  SBBG54314  Nassella pulchra C. Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  RSA449970  Navarretia atractyloides J. C. Roos 1952-5-26 5724 Riverside Haas' ranch, Reche Canyon. 457 Comment
  UCR174361  Navarretia atractyloides A. C. Sanders 2006-5-19 32405 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
  UCR175063  Navarretia atractyloides Teresa Nieto 2005-5-26 29 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR17617  Navarretia hamata O. F. Clarke, J. M. Harper, Helen Leach 1966-5-27 s.n. Riverside Santa Ana River bottom below the city sewage treatment plant Comment
  RSA789883  Navarretia intertexta Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  NY323703  Nemacaulis denudata var. gracilis S. B. Parish 1896-4-4 4140 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  UCR279329  Nemacladus A. C. Sanders, Jim Malusa 2017-3-23 42940 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  LA204524  Nemacladus gracilis Carl Epling; Harlan Lewis 1941-5-7 Riverside 1 mile W of Cottonwood Springs Comment
  UC1595630  Nemacladus ramosissimus Steve Boyd and Dave Bramlet 1991-5-13 6251 Riverside ese of Winchester (n side of Domenigoni-Diamond Valleys, ridge top s of s-end of Warren Rd, vicinity of ultramafic outcrop); Domenigoni Hills 548 Comment
  RSA0123179  Nemacladus rubescens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9068 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
  RSA79176  Nemacladus sigmoideus P. A. Munz 1952-5-2 16239 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  JOTR35033  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3486 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  JOTR36432  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3404 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
  RSA774903  Nemacladus tenuis var. aliformis Duncan S. Bell, Amber Swanson 2011-2-18 2042 Riverside Mecca Hills; in a narrow canyon on the west side of Box Canyon Road not far from Shavers Well. 289 Comment
  SD233791  Nemacladus tenuis var. aliformis Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 A Riverside Colorado Desert; Western Colorado Desert Region: 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
  POM3740  Nemophila menziesii Alice Eastwood 1904-4-4 4124 Riverside Elsinore, Riverside County. Comment
  RSA75874  Nemophila menziesii F. W. Peirson 1929-5-4 8336 Riverside In open spaces along road, summit of St. John s Grade, south of Hemet. 793 Comment
  UCD120217  Nemophila menziesii Geoffrey Levin 1975-4-26 491 Riverside Mayhew Canyon 1.5 mi. southeast of Glen Ivy on Highway 71. 335 Comment
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  RSA426714  Nicotiana obtusifolia Christopher Davidson 1973-4-19 1982 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  UC303674  Nicotiana obtusifolia Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 304 Comment
  POM12744  Nolina parryi Philip A. Munz 1922-6-30 5920 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA58890  Nolina parryi Philip A. Munz, Percy C. Everett 1950-6-23 14920 Riverside 1.5 miles SE of Kenworthy, on road toward Coahuilla and Aguanga. 1524 Comment
  UC479192  Nolina parryi Marcus E. Jones 1931-5-17 Riverside Keyes Ranch Comment
  POM888  Notholaena californica subsp. leucophylla G. Ross Robertson 1904-1 s.n. Riverside E. Riverside Co. desert. Comment
  CAS-BOT-BC171494  Oenothera californica Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CLARK-A1528-670  Oenothera deltoides Charlotte Stocks 1962-5-18 Riverside Coachella Valley Comment
  LA206160  Oenothera deltoides A. M. Johnson; 1933-2-22 4172 Riverside E of Cook's Ranch, 4 mi. NW of Indian Wells Comment
  RSA779628  Oenothera deltoides Duncan S. Bell 2010-4-1 44222 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA124447  Oenothera deltoides subsp. deltoides Percy C. Everett 1958-4-29 23025 Riverside 5.3 miles NE along road from Desert center to Rice and Vidal Jct. 244 Comment
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May 15 2009
  RSA145365  Oenothera deltoides subsp. deltoides William M. Klein 1959-4-5 948 -949 Riverside U,S. Hwy 60-70, about 22 miles west of Blythe. 137 Comment
  UC20577  Oenothera deltoides subsp. deltoides Wright 1889-3 Riverside Colorado Desert Comment
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Jan 26 2011
  SEINET3150336  Oenothera elata subsp. hirsutissima W. B. Crockatt sn Riverside Prado 91 Comment
  RSA783633  Oenothera micrantha J. D. Olmsted 1959-8-18 829 Riverside Southeast corner of Hunter Hall Desert Sun School near Idyllwild, Main fork of San Jacinto River drainage area, south slope. 1646 Comment
  RSA785414  Oenothera scapoidea Keith E. Hoffmaster 1935-3-31 568 Riverside Palm Springs Comment
  CSUSB217  Oenothera speciosa C. M. Flanagan 1971-5-21 Riverside Sun Valley Drive, 29 Palms. Comment
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Mar 26 2014
  UCR163937  Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29135 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA654882  Olneya tesota T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 49 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  UCSB18555  Opuntia basilaris del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.7 miles S of Junction with State Highway 111 914 Comment
  UCD97978  Opuntia basilaris var. basilaris William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR280999  Opuntia basilaris var. basilaris Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-31 317- 02 Riverside Temescal Valley, Corona, Mayhew Wash, west side of Campbell Ranch Rd., 300 ft. S of intersection with Temescal Canyon Rd. 328 Comment
  RSA561009  Opuntia littoralis Steve Boyd, Timothy S. Ross 1992-5-4 7201 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SEINET3085689  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17370 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km southwest of Idyllwild. 1445 Comment
  RSA524391  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3501 Riverside Pauba Valley, Hwy 79 crossing of Temecula River (or Creek), 4.6 miles E of junction with road to Pala. 305 Comment
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Nov 28 2010
  RSA594513  Opuntia vaseyi D. L. Banks, Rashmi Pant 1996-5-13 1018 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79,, just S of the Cleveland National Forest Boundary. 396 Comment
  CAS-BOT-BC254292  Orcuttia californica P. A. Munz; I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 426 Comment
  CHSC1168  Orobanche cooperi V. Holt 1942-3-27 Riverside Indio. 0 Comment
  RSA0042859  Orobanche cooperi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6262 Riverside Orocopia Mountains; southern/central section of range; approximately 0.75 air mile northwest of Gucci Spring. 483 Comment
  SEINET4391064 Image available Orobanche cooperi Sarah J. De Groot 2005-2-10 4638 Riverside Along Palen Pass Road, near Palen Pass, sandy area near Palen/McCoy Wilderness boundary. Bajadas of mountains, just north of Palen Lake (dry). 169 Comment
  UCR31806  Orobanche cooperi Gerald Griffith 1982-3-11 s.n. Riverside Coachella Valley, citrus ranch near Mecca 0 Comment
  CAS-BOT-BC502865  Orobanche cooperi subsp. cooperi Aven Nelson; Ruth Nelson 1939-3-28 3301 Riverside East of N end of Salton Sea, near Mecca Comment
  UCR44205  Orobanche fasciculata A. C. Sanders 1986-6-1 6561 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  POM15044  Osmorhiza berteroi Mary F. Spencer 1922-6-28 s.n. Riverside Idyllwild. 1646 Comment
  POM353423  Oxalis albicans subsp. californica W. P. Burger 1979-4-29 62 Riverside Hidden Valley Hang Gliding Site. Near Lake Elsinore. 610 Comment
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Dec 16 2009
  RSA0106480  Oxytheca trilobata Duncan S. Bell, Valentin Arvizu 2010-5-24 1103 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  CAS-BOT-BC327933  Palafoxia arida Paul F. Covel 1938-4-20 1181 Riverside Palm Springs Junction Comment
  RSA781610  Palafoxia arida Duncan S. Bell 2011-12-30 3038 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCD134905  Palafoxia arida Shirley C. Tucker 1957-3-10 3956 Riverside desert 4 miles north of Needles. Comment
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Mar 23 2014
  UC472878  Palafoxia arida var. arida Mary F. Spencer 1920-3-28 222 Riverside Palm Springs Colorado Desert 121 Comment
  RSA0040035  Palafoxia linearis W. Marquart 1938-3-12 s.n. Riverside Wiley's Well. Comment
  NY43273  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  UCR14420  Panicum miliaceum A. C. Sanders 1974-7-25 938 Riverside Riverside, corner of Chicago and Pennsylvania 296 Comment
  RSA0042108  Parietaria hespera Duncan S. Bell, Deidre Conocchioli 2014-3-11 6227 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  RSA709794  Parietaria hespera var. californica A. C. Sanders 2004-5-5 27769 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  RSA796751  Parietaria hespera var. hespera Jim Andre 2012-4-11 20838 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR162569  Parietaria hespera var. hespera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16099 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA605789  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: ''Friendly Hills Ranch''). 595 Comment
  RSA405373  Parkinsonia aculeata S. B. Parish 1913-9-23 8624 Riverside Colorado Desert Comment
  SFV1800  Parkinsonia florida A. Thompson 1959-4-10 s. n. Riverside Palm Desert. About 4 miles froum Palm Desert toward Desert Museum Sanctuary. Comment
  UCR479  Paspalum dilatatum Frank C. Vasek 1959-8-6 590806- 06 Riverside Riverside, O.F. Clarke residence at 1012 Spruce St. 305 Comment
  UCR22188  Paspalum distichum E. W. Lathrop 1959-5-17 4570 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  RSA471719  Pectis papposa J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  RSA778527  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 628 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  CAS-BOT-BC355866  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  CAS-BOT-BC540740  Pectis papposa var. papposa Sarah J. De Groot; Amy Rouillard 2015-9-15 7571 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  JEPS30090  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  OBI15592  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  SD244099  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range: Alberhill, dirt track NE of new section of Nichols Road, south of Lake Street (Alberhill 7.5'Q) 433 Comment
  UCR241824  Pectocarya A. C. Sanders, Timothy W. Chumley 2013-4-3 40759 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  RSA543183  Pectocarya heterocarpa Steve Boyd 1991-3-17 5476 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
  UCR22070  Pectocarya linearis Steve Boyd 1980-4-27 143 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR91438  Pectocarya linearis Scott D. White 1995-3-30 2636 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA180305  Pectocarya linearis subsp. ferocula E. W. Lathrop 1960-3-11 4656 b Riverside 5 miles west of Murrieta. Comment
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Apr 28 2011
  RSA387372  Pectocarya penicillata Steve Boyd 1986-4-19 1693 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR228905  Pectocarya penicillata A. C. Sanders 2011-4-6 39003 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  JOTR32910  Pectocarya recurvata La Doux, Tasha, Jim Andre 2009-2-28 351 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  RSA501012  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3131 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  SEINET3084049 Image available Pectocarya recurvata Andrew C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19678 Riverside Colorado Desert/San Jacinto Mtns: ; Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  RSA747873  Pectocarya setosa Justin M. Wood 2009-5-11 696 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UC1424841  Pedicularis densiflora E. W. Lathrop 1977-4-13 7606 Riverside 4 mi w of Corona (between Tin Mine Canyon and Santiago Peak, Skyline Drive, Sierra Peak near the towers); Santa Ana Mountains Comment
  UCSB11051  Pedicularis semibarbata Haines, Bruce 1962-5-5 Riverside 5 miles north of Idyllwild, 19.1 miles southwest of Banning on Banning to Idyllwild Road 1767 Comment
  RSA747516  Pellaea andromedifolia Justin M. Wood 2009-3-10 344 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  UCR41326  Pellaea andromedifolia N. M. Fellows, A. C. Sanders 1985-4-9 152 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
  RSA686925  Pellaea mucronata P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  CAS-BOT-BC77191  Pellaea mucronata subsp. mucronata C. B. Wolf 1931-5-11 1958 Riverside San Jacinto Mts. - rocky places near Pipe Creek above Hemet Valley 1676 Comment
  POM120718  Pellaea mucronata var. mucronata Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA228803  Pellaea mucronata var. mucronata Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 612 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  CAS-BOT-BC310321  Pennisetum setaceum Duncan S. Bell; John Anderson; Keir Morse 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto 250 Comment
  HSC87076  Pennisetum setaceum Dave Hawks 1986-4-17 Riverside Whitewater River Channel, 1 mi. S of Hwy. I-10 and 2 mi. W of Indian Ave. 259 Comment
  RSA736557  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR213369  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns., UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 1/4 mile from end of road 335 Comment
  RSA34610  Penstemon centranthifolius N. C. Cooper 1944-6-17 1388 Riverside San Jacinto Mtns, Above Banning. 1067 Comment
  RSA747867  Penstemon centranthifolius Justin M. Wood 2009-5-11 702 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR110969  Penstemon clevelandii George K. Helmkamp 1998-6-27 4105 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA412499  Penstemon clevelandii subsp. connatus S. B. Parish 1896-4-4 s.n. Riverside Palm Springs, (Agua Calienta,) desert base of San Jacinto Mountain 152 Comment
  RSA408449  Penstemon grinnellii E. C. Jaeger 1923-6-21 s.n. Riverside Idyllwild 1616 Comment
  UCSB7487  Penstemon heterophyllus Stoppel, Gordon 1958-5-17 Riverside Along Banning- Idyllwild Highway; about 10 miles SE of Banning Comment
  RSA102220  Penstemon labrosus Mary F. Spencer 1921-7-4 279 Riverside Idyllwild. Comment
  SD28120  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside San Jacinto Mts. Strawberry Valley, 1 1/2 mi. from Idyllwild on road to Banning 1707 Comment
  RSA221075  Penstemon spectabilis E. W. Lathrop 1966-5-8 6401 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  NY661160  Penstemon spectabilis var. spectabilis A. J. McClatchie 1892-4-27 s.n. Riverside Near Elsinore Comment
  SD181688  Pentachaeta aurea Scott D. White, Bill La Haye 2000-5-27 7953 Riverside San Jacinto Mountains: Baldy Mountain area. 1616 Comment
  RSA0070719  Pentagramma triangularis Scott D. White 2001-4-19 8375 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi west of Interstate 215. 442 Comment
  HSC47345  Peritoma arborea R. W. Spjut, Judy Adams 1978-11-22 5236 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  HSC99163  Peritoma arborea Paul J. CaraDonna 2009-3-15 123 Riverside Cotton Wood Creek Campground area, Joshua Tree National Park. 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-BC77493  Peritoma arborea var. angustata H. M. Hall 1905-4-1 5993 Riverside Near Indio 60 Comment
  HSC79980  Peritoma arborea var. arborea James Henrickson 1973-3-18 8610 Riverside 33 mi. E of Temecula, 5-7 mi. SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon, in wash of Coyote Canyon 762 Comment
  RSA564761  Perityle emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12101 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR52231  Perityle emoryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2153 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CAS-BOT-BC167756  Petalonyx thurberi K. Larson 1976-6-10 2036 Riverside ~30 mi E. of Indio S. of Chiriaco Summit Comment
  UCR281925  Petalonyx thurberi A. C. Sanders, Jim Malusa 2017-9-20 43345 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 2 km NW (303 deg. ) of Tabaseca Tank, 6.2 km SE of Salt Creek at mouth of Red Canyon 573 Comment
  POM4187  Petunia parviflora Crawford, J. M. Johnston 1917-6-9 1230 Riverside Santa Ana River near Corona. Comment
  UCR148787  Petunia parviflora Les Ede 1974-1 s.n. Riverside Sonoran (Colorado) Desert, Blythe, Colorado River Valley 84 Comment
  JOTR35082  Peucephyllum schottii La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3533 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  POM48451  Peucephyllum schottii P. A. Munz, D. D. Keck 1925-3-7 9347 Riverside Painted Canyon, Mecca. Comment
  SD27949  Peucephyllum schottii Carl B. Wolf 1932-4-26 1473 Riverside Colorado Desert, 8 miles east of Mecca on Blythe Road 89 Comment
  RSA776236  Phacelia Duncan S. Bell 2010-3-20 606 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  POM259713  Phacelia ambigua P. A. Munz 1940-3-23 15667 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  RSA74172  Phacelia ambigua F. W. Peirson 1920-2-16 971 Riverside Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. Comment
  POM13112  Phacelia brachyloba P. A. Munz, I. M. Johnston 1922-5-19 5344 Riverside 5 mi. E of Murrieta. 488 Comment
  RSA487229  Phacelia brachyloba James L. Reveal, C. Rose Broome 1987-6-27 6607 Riverside San Jacinto Mtns, along California Hwy 243, 1.8 miles N of Mountain Center and 2.7 miles S of Idyllwild. 1494 Comment
  RSA525406  Phacelia brachyloba Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4515 Riverside Vail Lake area, benches along Kolb Crk. W of Dripping Springs, S of Hwy 79, at jtn w/ Woodchuck Rd. 488 Comment
  RSA586315  Phacelia brachyloba D. L. Banks, Steve Boyd 1995-5-3 226 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
  RSA428152  Phacelia campanularia Martha Hilend 1928-3-9 62 Riverside Near White Water Bridge. Colorado Desert. Comment
  RSA357777  Phacelia campanularia subsp. vasiformis Robert F. Thorne, M. Z. Thorne 1973-3-30 42658 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  CSUSB130  Phacelia cicutaria Bob Sullivan 1966-3-10 Riverside 100 yards east of railroad tracks on corner of Tamescal Street and Comtom Ave. -near city of Corona 259 Comment
  RSA650556  Phacelia cicutaria var. hispida Toppenberg 1961-5-12 s.n. Riverside Palm Springs. Comment
  UCR100824  Phacelia cicutaria var. hispida G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR89879  Phacelia cicutaria var. hispida Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3338 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR91350  Phacelia cicutaria var. hispida Scott D. White, M. Jacobsmeyer 1996-4-20 3956 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA0107898  Phacelia crenulata Duncan S. Bell, Thomas Stoughton 2010-3-19 570 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  SDSU6651  Phacelia crenulata C. V. Morton 1949-3-20 2066 Riverside 16 miles east of Mecca, Riverside Co. 518 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
  UCR74370  Phacelia crenulata var. ambigua Theo Glenn 1991-5-30 91- 2 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA0007629  Phacelia davidsonii P. A. Munz, D. Keck 1923-6-14 7068 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  JOTR31959  Phacelia distans La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2195 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash Comment
  RSA428324A  Phacelia distans Bonnie C. Templeton 1930-4-9 1007 Riverside Palm Springs Station; Colorado Desert 400 Comment
  UCR215521  Phacelia distans Daphne K. Christopher, Hannah I. Stevens 2003-4-6 104 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 540 Comment
  UCR265842  Phacelia distans Mitch Provance 2012-5-24 512- 26 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR269765  Phacelia distans A. C. Sanders, Jim Malusa 2016-3-18 42367 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR91406  Phacelia distans Scott D. White 1995-4-5 2721 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SEINET12319683  Phacelia distans N. H. Holmgren, Holmgren, P. K. 1974-1 7463 Riverside Box Canyon Wash, 11.4 mi ENE of Mecca 244 Comment
  JEPS2139  Phacelia lemmonii Marjorie D. Clary 1932-7-4 984 Riverside 3 mi e Vandeventer Flats; Santa Rosa Mts. 1371 Comment
  RSA543757  Phacelia minor Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6057 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SD136820  Phacelia minor Steve Boyd 1992-4-14 6786 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; along Verdugo Trail from Tenaja Tr. to Bluewater Cyn, S of Sitton Pk. 792 Comment
  UC974998  Phacelia minor Rimo Bacigalupi and J. F. MacBride 1952-3-30 3552 Riverside along US 395 2.6 mi n Murrieta (w-facing hillslope between Wildomar and Murrieta, sw Riverside Co.) Comment
  UCR517  Phacelia minor Rodney Hendrick 1965-4-24 s.n. Riverside Box Springs Mtns., Box Springs Mtn, near top of mtns, near Dog Lady's House [old house near crest of range along road from Pigeon Pass; later park ranger's house] 762 Comment
  RSA480078  Phacelia neglecta Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin 1988-3-10 2163 Riverside Palen Pass at the north end of the Palen Mountains. 500 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
  POM145512  Phalaris lemmonii J. B. Feudge 1927-4-12 1898 Riverside Temescal Canyon 351 Comment
  UCR26337  Phalaris lemmonii John C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) 457 Comment
  UCR135823  Phalaris paradoxa A. C. Sanders, Guy Bruyea 2004-4-2 27449 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  RSA97670  Phlox austromontana R. M. Straw 1954-6-10 610 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  RSA575993  Pholistoma auritum Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon. 488 Comment
  NY42611  Phoradendron bolleanum J. B. Walker 1995-3-21 1268 Riverside W of Palm Desert, along Hwy 79, 3km E of Pinyon Flat Campground 1200 Comment
  RSA132732  Phoradendron californicum Del Wiens 1953-12-5 866 Riverside Several mi. south of Cottonwood Springs, Joshua Tree National Monument. 213 Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  RSA651773  Phoradendron californicum Darrell Garrett 1949-6-2 s.n. Riverside 6 miles west of Palm Springs. 114 Comment
  UC217921  Phoradendron californicum P. A. Munz and D. Keck 1922-4-14 4992 Riverside Colorado Desert, Indian Wells 106 Comment
  UC848868  Phoradendron californicum I. W. Clokey 1935-4-17 6575 Riverside Cottonwood Springs Comment
  SEINET3073024 Image available Phoradendron densum A. C. Sanders, P. MacKay, L. & P. Lubinsky 1994-10-30 15853 Riverside Catclaw Flat Quad. San Bernardino Mountains; White water River Canyon between Red Dome and Stills Landing, SE of VABM Paw. 850 Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  RSA271146  Phoradendron villosum C. W. Tilforth, John Dourley, Walter Wisura 1978-3-10 1505 Riverside About 1/2 mi. east of El Cariso Forest Station along Ortega Hiway(74). Comment
  CLARK-A1528-4359  Physalis crassifolia Art Whistler 1966-3-26 Riverside Deep Canyon Comment
  POM184546  Physalis crassifolia C. Leo Hitchcock 1932-4-7 12201 Riverside Corn Springs, Eastern Riverside. Comment
  UC2015532  Physalis crassifolia A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15989 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR178769  Phytolacca americana A. C. Sanders, T. B. Salvato, Helen Kennedy, Andrea Salzman 2006-11-9 33220 Riverside San Bernardino Valley, Riverside, UCR Botanical Garden, subtropical fruit orchard on the north side of the garden 335 Comment
  SDSU13906  Pickeringia montana var. tomentosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2157 Riverside Santa Margarita Ecological Reserve (SDSU), just south of east-west draw, north of El Valle complex. 646 Comment
  LA6145  Pinus ponderosa A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, Tauquitz [Tahquitz] Peak Comment
  POM98009  Pinus quadrifolia E. C. Jaeger 1926-3-27 s.n. Riverside Upper end of Horse Canon, Santa Rosa Mountains. Comment
  UCR92693  Plagiobothrys arizonicus A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18068 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  POM157936  Plagiobothrys canescens P. A. Munz 1927-5-21 10833 Riverside Coahuila Valley. 1372 Comment
  RSA709189  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2005-4-28 29769 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UCR214576  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37857 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR231732  Plagiobothrys canescens John F. Green 2008-4-23 08- 01 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  SD232228  Plagiobothrys collinus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Temescal Canyon: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UC1563092  Plagiobothrys collinus Steve Boyd 1986-3-1 1370 Riverside Gavilan Plateau, Gavilan Hills: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR120654  Plagiobothrys collinus D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1809 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR12247B  Plagiobothrys collinus O. F. Clarke 1973-1-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  POM3724  Plagiobothrys collinus var. californicus I. M. Johnston 1918-4-27 1876 Riverside Near Corona. 274 Comment
  RSA587423  Plagiobothrys collinus var. fulvescens D. L. Banks, S. D. Boyd 1995-6-2 567 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32., W of the Dripping Springs Alcove Area. 890 Comment
  UC1605426  Plagiobothrys collinus var. fulvescens Steve Boyd 1986-4-2 1594 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  POM13234  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-21 5514 Riverside 1/2 mile above Keen Camp, San Jacinto Mountains 1524 Comment
  SEINET10456329  Plagiobothrys leptocladus John C. Roos 1952-4-23 Roos 5572 Riverside 1 mile southeast of Perris. 427 Comment
  POM13801  Plagiobothrys tenellus P. A. Munz 1922-4-30 5133 Riverside Tucalota Creek, south of Hemet Comment
  UCR157674  Plagiobothrys tenellus Scott D. White 1995-3-30 2648 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA251158  Plagiobothrys undulatus P. A. Munz 1941-5-18 16662 Riverside north end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  UCR15892  Plagiobothrys undulatus Frank C. Vasek, G. K. Helmkamp 1979-4-27 s.n. Riverside Santa Ana Mtns., Mesa de Colorado, drying vernal pool along Clinton Keith Road 457 Comment
  RSA614470  Plantago erecta D. L. Banks 1997-4-5 1705 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  RSA716376  Plantago erecta Scott D. White 2006-4-27 11295 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  SDSU12233  Plantago erecta Tahirih Linz, M. G. Simpson 2000-4-1 2 Riverside Comment
  UCR126388  Plantago erecta A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 698 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SEINET12271824  Plantago erecta J. F. Bright, Wyman, C. 1933-1 8193 Riverside near Indio Comment
  UCR91997  Plantago lanceolata Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  JEPS7192  Plantago ovata S. B. Parish 1913-2-7 8446 Riverside Mecca Salton Basin -60 Comment
  UC665820  Plantago ovata Ira L. Wiggins 1941-3-24 9588 Riverside 1 mi n Imperial County line (on e side of Salton Sea); Salton Sea Comment
  UCR108724  Plantago ovata Scott D. White, Pam DeVries 1998-2-9 6085 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR112091  Plantago ovata A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23365 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR72205  Plantago ovata Theo Glenn 1992-3-31 92- 12 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  JOTR35362  Plantago ovata var. fastigiata Harding, Mitzi, M. Wheeler 2011-1-26 146 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  RSA4912  Plantago ovata var. fastigiata Carl B. Wolf 1932-4-28 3074 Riverside Chuckwalla Valley, 20 miles west of Blythe on Mecca Road 122 Comment
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Mar 26 2011
  RSA550350  Plantago ovata var. fastigiata Walter Wisura, J. Dolan, M. Wall 1992-3-24 4638 Riverside 1.9 miles S of I-10 on road to Corn Spring Comment
  SD215599  Plantago ovata var. insularis W. Wisura, J Dolan and M Wall 1992-3-24 4626 Riverside 7.7 miles northeast of Mecca on Box Canyon Road. Comment
  RSA6097  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  RSA775810  Platystemon californicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 890 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR22124  Platystemon californicus Steve Boyd 1980-4-11 127 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC326643  Pleurocoronis pluriseta B. D. Stark 1932-6-17 3751 Riverside Canyon above Cottonwood Springs, Eagle Mountains, Colorado Desert 304 Comment
  CAS-BOT-BC326647  Pleurocoronis pluriseta S. B. Parish 1907-4-17 6083 Riverside Palm Springs, Colorado Desert Comment
  RSA0123174  Pleurocoronis pluriseta Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9063 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
  RSA472089  Pleurocoronis pluriseta Christopher Davidson 1980-4-4 9948 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
  SEINET3402275  Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canon, 1km W of Coachella, Colorado Desert, in the Lower Sonoran Zone. 30 Comment
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Aug 24 2013
  UC485542  Pleurocoronis pluriseta F. M. Reed 1917-5-19 3870 Riverside Palm Canyon Colorado Desert Comment
  CAS-BOT-BC326543  Pluchea sericea Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-28 484 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 609 Comment
  CLARK-A1528-5377  Pluchea sericea John C. Roos, Lucille Roos 1951-10-24 5340 Riverside Pedley 228 Comment
  RSA93084  Pluchea sericea F. W. Peirson 1918-03 1298 Riverside Palm Springs. Comment
  POM147498  Poa annua F. M. Reed 1928-4-18 5858 Riverside Sand in San Luis Rey River, Vail Ranch. Comment
  RSA457391  Poa annua J. C. Roos 1965-10-7 s.n. Riverside Hemet, in the lawn with Cotula australis. Comment
  POM1241  Poa secunda I. M. Johnston 1917-4-4 1009 Riverside Palm Canyon, near Palm Springs. 457 Comment
  UCR27283  Poa secunda E. W. Lathrop 1966-4-27 6207 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and San Mateo Canyon, Cleveland National Forest. 1220 Comment
  LA12631  Poa secunda subsp. secunda L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  RSA585646  Polycarpon depressum D. L. Banks, Steve Boyd 1995-3-15 0082 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 732 Comment
  SD130270  Polygala cornuta var. fishiae Scott White 1990-6-16 Riverside Cleveland National Forest, east wall of Hagador Canyon, foot of west-facing slope, near mouth, on private land just inside of the Forest boundary 395 Comment
  UC489278  Polygonum bistortoides C. V. Meyer 1928-7-26 537 Riverside Deer Springs San Jacinto Mt. 2743 Comment
  UC582926  Polygonum hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside below Rincon; Santa Ana River Comment
  UC6740  Polygonum polygaloides subsp. kelloggii H. M. Hall 1901-6 2354 Riverside Tauquitz Valley San Jacinto Mountains (along stream) 2438 Comment
  RSA495426  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2952 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR23346  Polypodium hesperium John C. Roos 1936-9-15 2512 Riverside San Jacinto Mountains, Devil's Slide Trail above Idyllwild. Comment
  SD137943  Polypogon monspeliensis Darin L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground, N of where the Arroyo Seco turns to the E Comment
  SDSU13615  Populus balsamifera subsp. trichocarpa W. Miller, C. Mosse Riverside Comment
  RSA714655  Populus fremontii A. C. Sanders 2004-5-12 27893 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SEINET2064882 Image available Populus fremontii A. C. Sanders 1995-2-5 15905 Riverside San Bernardino Mountains, Whitewater Canyon, betyween Bonnie Bell and the fish hatchery. 548 Comment
  UCR197058  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  CAS-BOT-BC356159  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  CAS-BOT-BC356162  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi. below Cottonwood Spgs., Joshua Tree Nat. Monument Comment
  JOTR37431  Porophyllum gracile Hodges, Stephen R., T. Hender 2015-12-29 553 Riverside Joshua Tree National Park. Eagle Mountains, Mouth of Dragon Wash (Stop 1) Comment
  RSA320351  Porophyllum gracile J. R. Shevock 1978-4-26 5883 Riverside Along Skyline Road, Santa Ana Mtns, Cleveland National Forest. 366 Comment
  SEINET10542222  Potentilla anglica David B. Dunn 1947-10-9 Dunn 3532 Riverside Joshua tree national monument at campground area by hidden valley, comp. Comment
  CAS-BOT-BC540423  Potentilla gracilis var. fastigiata H. M. Hall 1901-6-1 2296 Riverside San Jacinto Mountains, in the vicinity of Strawberry Valley 1615 Comment
  CAS-BOT-BC356217  Prenanthella exigua H. M. Hall 1905-4-1 5918 Riverside Colorado Desert. Paloverde [Palo Verde] Valley 76 Comment
  UCR116946  Proboscidea louisianica A. C. Sanders, D. Malueg 2001-5-17 24355 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  CAS-BOT-BC202361  Prosopis glandulosa var. torreyana A. C. Sanders; Tracy Tennant; Jeff Ross 1998-8-20 22223 Riverside San Bernardino Mtns.: Morongo Indian Reservoir, Lion Canyon 671 Comment
  LA47457  Prosopis glandulosa var. torreyana Harlan Lewis; 1936-4-18 sn Riverside San Bernardino Mountains, White Water 457 Comment
  LA47469  Prosopis glandulosa var. torreyana W. B. Welch; 1928-5-5 sn Riverside Painted Canyon, Colorado Desert Comment
  POM348733  Prosopis glandulosa var. torreyana Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
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Jul 5 2010
  SBBG70929  Prunus emarginata R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  UC1552002  Prunus fasciculata Lyman Benson 1945-3-29 11631 Riverside Colorado Desert, Canyon on Palm Springs Road Colorado Desert; Little San Bernardino Mountains, Colorado Desert 670 Comment
  UC64519  Prunus fasciculata H. M. Hall and W. L. Jepson May 17, 1901-June 1, 1901 1830 Riverside about 10 mi n of Van Deventer (below the old mine, e base of San Jacinto Mountain, Journey from Riverside to Santa Rosa Peak and Palomar); San Jacinto Mountain 609 Comment
  UC217878  Prunus fremontii P. A. Munz 1922-3-12 4707 Riverside Palm Springs, Andreas Canyon Andreas Canyon; Palm Springs, Andreas Canyon Comment
  RSA787088  Prunus ilicifolia Doris Bowers 1972-4-15 1817 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  RSA454189  Prunus virginiana var. demissa Robert L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SEINET3101944  Prunus virginiana var. demissa Marc A. Baker, Michelle Cloud-Hughes 2011-6-12 17371 Riverside Goff Flat, 5.5km southwest of Pyramid Peak. 1625 Comment
  CAS-BOT-BC356355  Psathyrotes ramosissima W. R. Dudley 1903-12-28 s.n. Riverside Desert near Palm Springs Station Comment
  RSA472320  Psathyrotes ramosissima J. W. Jamie 1906-4-1 1456 Riverside Mecca Comment
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Nov 30 2009
  SBBG39386  Psathyrotes ramosissima E. R. Chandler 1970-10-22 Riverside Palm Cyn, S of Palm Springs Comment
  SBBG62540  Psathyrotes ramosissima M. N. Ackley -Feb-1926 301 Riverside Painted Cyn, near Mecca 76 Comment
  UC829349  Psathyrotes ramosissima Alice Eastwood 1913-4-30 3118 Riverside Palm Springs Comment
  POM4652  Pseudognaphalium biolettii Robinson, Crocker 1916-3-29 569 Riverside Santa Ana Mountains, canyons near Murietta. Comment
  CAS-BOT-BC356791  Pseudognaphalium californicum Steve Boyd; Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UC667298  Pseudognaphalium canescens Annie M. Alexander and Louise Kellogg 1941-5-4 2118 Riverside Barker Dam Joshua Tree National Monument, Barker Dam (among rocks) 1322 Comment
  UCR280964  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 18 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd., 0.3 mi NW of El Hermano Rd./Terramor Dr. 313 Comment
  JOTR32526  Pseudognaphalium luteoalbum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2607 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA770784  Pseudognaphalium luteoalbum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4535 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET10914958  Pseudognaphalium microcephalum David B. Dunn 1947-10-9 Dunn 3522 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  CHSC26039  Pseudognaphalium thermale Wesley Griesel 1962-9-18 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  UCR40269  Psoralea macrostachya Steve Boyd 1985-7-30 1049 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  HSC47347  Psorothamnus arborescens var. minutifolius Richard Spjut, Judy Adams 1978-11-22 5235 Riverside Colorado Desert: N of Palm Springs along Indian Ave. 0 Comment
  CAS-BOT-BC353630  Psorothamnus emoryi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA1195  Psorothamnus emoryi B. D. Stark 1930-4-2 784 Riverside Indio. 0 Comment
  UCR116819  Psorothamnus emoryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23950 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SBBG6275  Psorothamnus schottii T. L. Secrest 1948-4-7 Riverside 18 mi N of Indio 304 Comment
  UCSB42194  Psorothamnus schottii Roos, John 1966-5-2 Riverside At the mouth of Pushawalla Canyon, Indio Mtns. Comment
  CAS-BOT-BC340956  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  JEPS41683  Psorothamnus spinosus S. B. Parish 1912-6-28 8167 Riverside Red Canyon near Mecca; Red Canyon near Mecca Comment
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Nov 24 2011
  RSA263723  Pteridium aquilinum var. pubescens R. Weatherby 1950-5-18 2968 Riverside Hagador 640 Comment
  RSA314666  Pterostegia drymarioides Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55492 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA784661  Pterostegia drymarioides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 68 Riverside South main divide road splitting Comment
  RSA0042976  Quercus Jeremiah George 2012-8-13 s.n. Riverside west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCD47670  Quercus X acutidens Robert F. Thorne; E. Lathrop 1969-6-6 39348 Riverside Santa Rosa Plateau: Rancho California. 609 Comment
  POM305800  Quercus agrifolia Henry J. Ramsey 1937-4-2 1059 Riverside Elsinore. Comment
  SD257284  Quercus agrifolia Mitch Provance, Jeremiah George 2012-8-4 812 44 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Portrero 751 Comment
  UC847960  Quercus berberidifolia I. W. Clokey and E. G. Anderson 1935-4-16 6572 Riverside e of Hemet 800 Comment
  UCR214682  Quercus berberidifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37712 B Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, along dirt road north of Concordia Ranch Rd, and east of Black Powder Rd. 379 Comment
  CAS-BOT-BC62434  Quercus chrysolepis Marcus E. Jones 1924-8-30 s.n. Riverside Taquitz, San Jacinto Mts. Comment
  UCSB38785  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Corner of El Encino and Avenue La Cumbre; 0.3 miles north from the junction of Carrizo Road and Hwy. 74. San Jacinto Mts. 1036 Comment
  CAS-BOT-BC86545  Quercus dumosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23102 Riverside 10 miles N of Pala, on road to Elsinore Comment
  UCR56698  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area north of Murrieta. c. 1.5 mi. NW of intersection of Antelope Road and Hwy I-15, and due north of intersection of Nutmeg and Jackson Streets. 396 Comment
  CAS-BOT-BC105327  Quercus kelloggii H. E. McMinn 1925-7-2 1499 Riverside Tahquitz Trail to Tahquitz Pk., San Jacinto Mts. Comment
  UCD63202  Quercus palmeri A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy. 74, 2.1 mi. E of Hwy. 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  UCR166153  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 561 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR231040  Quercus wislizeni A. C. Sanders, Kent Beaman 2011-9-27 39920 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  RSA799239  Rafinesquia neomexicana Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 746 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
  SBBG67864  Rafinesquia neomexicana M. N. Ackley 1928-4-4 Riverside near Edom 64 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
  UC827610  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 mi nw Corona (in small branch of creek); Chino Creek 228 Comment
  RSA162760  Ranunculus cymbalaria var. saximontanus J. D. Olmsted 1959-9-23 997 Riverside Stream crossing just S of Hurkey Creek crossing on Hwy 74 by entrance to Garner Ranch. San Jacinto Mts to Hemet Lake 1479 Comment
  UC729895  Ranunculus eschscholtzii var. oxynotus Carl B. Wolf 1932-8-5 3975 Riverside San Jacinto Peak San Jacinto Mts. (summit) 3293 Comment
  SD152770  Ranunculus hebecarpus Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6759 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/Morgan Tr. S to Pigeon Spring area 671 Comment
  CSUSB565  Raphanus sativus Steve Stadler 1966-3-2 030266 21 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
  RSA714433  Rhamnus crocea A. C. Sanders 2004-5-12 27870 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UC1929671  Rhamnus crocea Scott D. White 2001-3-27 8169 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ Theodore St. Adjacent to County Landfill. Comment
  UCR100298  Rhamnus crocea B. G. Pitzer 1997-4-20 3186 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  JEPS42076  Rhamnus ilicifolia C. V. Meyer Jun 1927 164 Riverside San Jacinto mt. 1706 Comment
  SBBG87983  Rhamnus ilicifolia L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, Santa Rosa Plateau Comment
  SD137643  Rhamnus ilicifolia Darin L. Banks 1995-3-16 96 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of theDripping Springs Alcove, Arroyo Seco drainage. 536 Comment
  POM9391  Rhamnus ilicifolia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview. Comment
  UC870778  Rhamnus tomentella subsp. cuspidata I. W. Clokey and E. G. Anderson 1935-8-21 6735 Riverside n of Idlewilde; San Jacinto Mts. 1650 Comment
  RSA257006  Rhododendron occidentale var. californicum Gary D. Wallace, D. H. Wilken 1966-7-3 656 Riverside Just east of Idyllwild. Comment
  HSC99159  Rhus aromatica Paul J. CaraDonna 2008-1 124 Riverside Jumbo Rock Campground, N of site 78, Joshua Tree National Park. 1329 Comment
  RSA121771  Rhus ovata A. Lewis 1934-05 440 Riverside 1 mile E. of Ortega Hwy. 945 Comment
  RSA650223  Rhus ovata G. W. Mason 1949-1-23 s.n. Riverside Found in Batista Canyon 7-10 miles east of Hemet 518 Comment
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Apr 29 2011
  SD71843  Rhus ovata Helen V. Witham 1969-7-2 213 Riverside Sandia Creek, on road from DeLuz to Murietta. 299 Comment
  UCR114805  Ribes indecorum Mitch Provance 1998-2-17 80 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  SBBG100243  Ribes malvaceum W. L. Halvorson 1977-4-1 77 -219 Riverside 5 mi S of Temecula on Hwy S16 Comment
  RSA441493  Ribes malvaceum var. viridifolium Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA0022092  Ribes montigenum P. A. Munz 1922-7-7 6046 Riverside Summit of San Jacinto Peak. 3287 Comment
  RSA162686  Ribes nevadense J. D. Olmsted 1959-6-23 678 Riverside Along Strawberry Creek in Fern Valley NW of Idyllwild, San Jacinto Mts. 1646 Comment
  UC729897  Ribes roezlii Carl B. Wolf 1932-8-5 3969 Riverside above small stream and meadows feeding Tahquitz Creek (on trail from Tahquitz Valley to San Jacinto Peak); San Jacinto Mts. 2804 Comment
  RSA221055  Romneya coulteri E. W. Lathrop 1966-5-8 6430 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA34604  Romneya coulteri N. C. Cooper 1944-6-4 1327 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR130812  Rorippa palustris D. E. Bramlet 2002-5-2 3263 Riverside Perris-Aguanga Basin Region, Lake Skinner Filtration Plant, 579 m west of the Lake Skinner Dam and 366 m east of Washington St. 420 Comment
  UCR151043  Rosa californica Scott D. White 1998-7-31 6940 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  LA208231  Rubus parviflorus C. Epling; William Robison 1935-6-30 Riverside San Jacinto Mountains, Above Marion Camp Comment
  UC12972  Rubus parviflorus H. M. Hall 1898-6-30 961 .5 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1828 Comment
  RSA523529  Rubus ursinus Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3988 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR68863  Rubus ursinus Steve Boyd, T. S. Ross 1990-5-11 4665 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  HSC86139  Rumex acetosella B. Freeman 1969-6-28 6906284 Riverside University of California James Reserve, East of stream nearest gate, along road Comment
  RSA741112  Rumex acetosella Scott D. White, Justin M. Wood 2008-6-18 12236 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR174056  Rumex crispus A. C. Sanders 2006-5-19 32450 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
  UCR213282  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR95956  Rumex salicifolius var. denticulatus Scott D. White 1996-8-1 4430 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  JEPS62517  Salazaria mexicana Marjorie Clary 1931-4-4 5 Riverside Coachella Valley Devils' Canyon (slopes of Santa Rosa Mts., West Colorado Desert); West Colorado Desert, slopes of Santa Rosa Mts. Comment
  RSA0059625  Salicornia subterminalis Steve Boyd, Dave Bramlet 1996-4-19 8609 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA689522  Salix exigua Scott D. White, Brian Leatherman 2002-6-10 8781 Riverside Whitewater river canyon, ca. 1 mi below trout farm 628 Comment
  CAS-BOT-BC108147  Salix gooddingii A. C. Sanders; S. Hawkins; J. Goetzen; D. Freeman 1996-5-1 18103 Riverside San Bernardino Mtns. - Morongo Indian Reservation, vicinity of natural pond & bog at SE ede of Burro Flats 1097 Comment
  LA208657  Salix gooddingii Philip A. Munz; 1932-3-24 12032 Riverside N of Elsinore 304 Comment
  SEINET10539067  Salix gooddingii David B. Dunn, A. Folsom 1948-6-17 Dunn 3792 Riverside At camp in pushawalla canyon under palms. Indio hills. Colorado desert. Comment
  CAS-BOT-BC106949  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR159207  Salix laevigata A. C. Sanders, Kelly Volansky 2005-8-31 31563 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
  UCR17443  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-2-13 334 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' up from Zabriskie-335, immediately below Andreas Canyon Clubhouse, Andreas Canyon, E slope of mountains Comment
  HSC79770  Salix lasiandra var. lasiandra James Henrickson 1973-3-18 8617 Riverside 37 mi. E of Temecula on Coyote Canyon Trail, SE of Terwilliger, 3 mi. N of San Diego Co. line 701 Comment
  POM319100  Salix lasiolepis Patricia Wilder 1971-11-11 5300 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  RSA0013133  Salix lasiolepis LeRoy Gross, Caitlin Elam 2013-5-14 6051 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR11306  Salix lucida subsp. lasiandra O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UCR134612  Salsola paulsenii Marisa Sripracha, Kyle Boyd 2004-2-14 019 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA724029  Salsola tragus R. E. Riefner 2006-11-14 6 -675 Riverside City of Riverside, Main St. at Russell St. 259 Comment
  SBBG28438  Saltugilia australis D. Myrick 1964-4-30 809 Riverside Palms to Pines Hwy (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  UCR103916  Saltugilia australis B. G. Pitzer 1997-4-11 3107 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
  RSA0094570  Saltugilia australis Leigh A. Johnson, Deborah A. Johnson 1997-5-12 97 -082 Riverside San Bernardino Natl. Forest, Chahuilla Mtn. vicinity. Along road to Cahuilla Mtn. trail, in area of first year burn, along road margins or within short distance of road. 1300 Comment
  RSA0094961  Saltugilia australis P. A. Munz 1926-5-2 10424 Riverside 5 miles NW of Dripping Spring. Comment
  RSA0095113  Saltugilia australis Verne Grant 1955-5-17 9596 Riverside On crest of Santa Ana Mts near Hwy 74. 811 Comment
  UC416704  Salvia Miss M. A. King 1893-1 Riverside Menifee Comment
  CHSC781  Salvia apiana E. Thomas 1940-5-26 Riverside Pleasant Valley, Joshua National Monument. Comment
  SEINET7048059  Salvia apiana Steven R. Hill 2001-4-29 33536 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR252524  Salvia apiana J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  IRVC2086  Salvia columbariae C. Duncan 1965-4-24 none Riverside Rt. 71, Anza-Borrego. Sonoran Desert Comment
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Aug 26 2014
  RSA23267  Salvia columbariae Ernest Braunton 1940-03 2036 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  UC25691  Salvia columbariae H. M. Hall May 1899 1139 Riverside Kenworthy; San Jacinto Mountains 1371 Comment
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Mar 25 2011
  UC25710  Salvia columbariae H. M. Hall Jun 1901 2288 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1600 Comment
  UCR228934  Salvia columbariae A. C. Sanders 2011-4-6 39022 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR50919  Salvia columbariae A. C. Sanders 1988-5-11 7799 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCSB5789  Salvia eremostachya Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats Comment
  JEPS16867  Salvia greatae Marjorie D. Clary 1938-4-17 2845 Riverside n of Salton Sea (Clemen's Well); Orocopia Mountains, Big Salt Creek Wash 243 Comment
  RSA434136  Salvia mellifera D. A. Young 1969-4-12 P 316 Riverside 10 mi SE of Hemet on State St. 335 Comment
  RSA434138  Salvia mellifera Bonnie C. Templeton, I. W. Clokey 1930-4-9 1067 Riverside Palm Springs. 650 Comment
  RSA522724  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3829 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA751926  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  JOTR29144  Salvia mohavensis La Doux, Tasha 2005-6-15 1221 Riverside Joshua Tree National Park. Lost Horse Valley; south of Barker Dam trailhead 1310 Comment
  RSA0093766  Salvia pachyphylla Duncan S. Bell 2015-9-30 8689 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA0121026  Salvia vaseyi Duncan S. Bell, LeRoy Gross 2016-3-29 9112 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
  RSA448915  Salvia vaseyi Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  CAS-BOT-BC235030  Sambucus H. M. Hall 1901-6-1 2216 Riverside Onstat's Canon [Onstatt's Canyon], San Jacinto Mt. 1676 Comment
  SEINET10643229  Sambucus caerulea Greg Gust, Leith Nye 2005-3-10 Gust 533 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  UCR270170  Sambucus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42390 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR95461  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  CAS-BOT-BC223223  Sanicula bipinnatifida John F. Green 2010-3-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee area, c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd. 427 Comment
  POM15039  Sanicula bipinnatifida Mary F. Spencer 1922-4-25 427 Riverside Lamb Canyon Pass, Banning. Comment
  UCR136282  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  CLARK-A1528-1453  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Reche Canyon 761 Comment
  SEINET273045 Image available Sanicula tuberosa A. C. Sanders 1997-4-3 20150 Riverside Lake Skinner area; near N foot of Black Mtn, slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  CLARK-A1528-1467  Sarcostemma cynanchoides subsp. hartwegii John C. Roos 1952-8-27 5891 Riverside Reche Canyon 457 Comment
  LA88446  Sarcostemma cynanchoides subsp. hartwegii O. H. Kappler; 1945-6-15 874 Riverside Temescal Canyon, 5 mi. NW of Elsinore Comment
  CLARK-A1045-216  Sarcostemma hirtellum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  UC712154  Saxifraga californica Charles B. Fiker 1944-4-4 3007 Riverside near Temecula Comment
  RSA0042170  Schismus arabicus Duncan S. Bell, Evan Meyer 2014-4-2 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SEINET3197218 Image available Schismus arabicus Andrew C. Sanders, Richard Dwerlkotte 2010-3-22 37519 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q) 130 Comment
  JOTR31857  Schismus barbatus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2114 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR97244  Schismus barbatus Scott D. White 1997-2-28 4719 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR278558  Schoenoplectus Mitch Provance 2012-9-5 912- 11 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  UCR121818  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24600 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
  UCR89807  Scirpus microcarpus Scott D. White 1993-5-27 1416 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  GMDRC6550  Scrophularia californica J. M. Andre 2012-6-15 30502 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UCR174534  Scrophularia californica Jennifer H. Jones 2006-4-7 262 Riverside Peninsular Ranges, Box Springs Mtns. Reserve; A couple hundred feet up hill east of service road, just SE of the parking lot 732 Comment
  RSA507950  Scrophularia californica subsp. floribunda Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  IRVC3926  Selaginella bigelovii P. W. Rundel 1964-12-17 1502 Riverside E of Homeland off US 74; Lakeview. Southern Coastal 488 Comment
  POM12888A  Selaginella watsonii Philip A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak. 3287 Comment
  POM12933  Selaginella watsonii Philip A. Munz 1922-6-27 5869 Riverside Toro Peak, Santa Rosa Mountains 2529 Comment
  CAS-BOT-BC363481  Senecio californicus A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19878 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  CAS-BOT-BC363488  Senecio californicus Raymond Lindholm 1961-3-1 s.n. Riverside Near San Bernardino. Reche Canyon Comment
  POM259681  Senecio californicus P. A. Munz 1940-3-22 15663 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  UCR138591  Senecio flaccidus var. douglasii D. L. Banks 1996-11-7 1219 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. Along the main road in the Reservation, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  CAS-BOT-BC364135  Senecio mohavensis Forrest Shreve 1937-3-12 7902 Riverside East base Coxcomb Mts. Comment
  POM14300  Senecio mohavensis P. A. Munz, D. D. Keck 1922-4-9 4796 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
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Apr 5 2011
  RSA457797  Senecio mohavensis Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR16801  Senecio vulgaris A. C. Sanders 1973-5-24 00164 Riverside San Bernardino/upper Santa Ana River Valley, Riverside, SE corner of intersection of Pennsylvania Ave. [now Martin Luther King Blvd.] and Chicago Avenue 305 Comment
  RSA314644  Senecio vulgaris R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55453 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD229142  Senegalia greggii Dick Schwenkmeyer 2013-6-11 920 Riverside Carrizo Creek camp, approx. 1.5 north of highway 74 and Royal Carrizo Road intersection. 890 Comment
  UCSB14603  Senegalia greggii Breedlove, Dennis 1961-8-5 Riverside Along State Highway 74 at Pinon Flats Campground 1249 Comment
  UCSB8569  Senegalia greggii Haller, John 1950-5-21 Riverside Coachella Valley, 2 miles up Palms to Pines Highway, near base of mountains Comment
  CAS-BOT-BC229148  Sequoiadendron giganteum Rudolf Schmid; Mena Schmid 2009-5-1 2009 -6 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn., Just left (as ascending) of Black Mountain Trail in flat open area on the sloping plateau..., 2369 Comment
  RSA0031606  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -1 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Just left (as ascending) of Black Mountain Trail on slope by large trunk lying across trail, at the, head of Hall Canyon. 2036 Comment
  SEINET7295535 Image available Setaria adhaerens Malcolm A. Nobs, S. Galen Smith 1948-1 492 Riverside Citrus grove, 2 miles north of Indio Comment
  UCR117304  Sidalcea malviflora A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 730 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SDSU13891  Sidalcea sparsifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2143 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  CAS-BOT-BC434385  Sidotheca trilobata H. M. Hall 1901-6-1 2082 Riverside San Jacinto Mountians. In the vicinity of Chalk Hill 1402 Comment
  CAS-BOT-BC434394  Sidotheca trilobata A. C. Sanders; Mitch Provance 2008-7-11 35762 Riverside Peninsular Range; San Jacinto Mtns.: 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad. 1494 Comment
  CSUSB709  Silene gallica Annette Price 1962-5-8 089 Riverside Santa Ana Mountains Santa Ana Mountains. Growing in Foothill woodland along Tenaja Road, 7 miles from Washington Ave. Comment
  SD187389  Silene gallica Scott D. White, Angelia Carey 2004-4-16 10188 Riverside Indian Creek and adjacent slopes. 548 Comment
  UCR113045  Silene gallica Mitch Provance 1998-3-5 137 Riverside City of Riverside, Between the Harvest Church parking lot and Riverside Airport, c. 500 yards north of the corner of Adams St. and Arlington Ave. 241 Comment
  UCR174309  Silene gallica A. C. Sanders, T. B. Salvato, Kelly V