Search Results — 2000 specimen records retrieved (1892 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA518562  Abies concolor F. C. Vasek 1976-7-4 760704 -5 Riverside San Jacinto Mountains, Pine Cove. 1829 Comment
  SBBG56410  Abies concolor Marjorie Lewis 1947-8-26 7 Riverside Dark Canyon 1981 Comment
  CSUSB580  Abronia villosa Steve Stadler 1966-2-27 022766 19 Riverside East of Indio; 20 yards off Indio-Desert Center Road; 100 yards east of the road's intersection with the Coachella Canal. Comment
  SEINET893738  Abronia villosa Alma L. Moldenke, Harold N. Moldenke 1976-1 30689 Riverside Mecca, Mohave Desert. Comment
  GMDRC6584  Abronia villosa var. aurita J. M. Andre 2012-6-15 30546 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  POM123198  Abronia villosa var. aurita Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM192450  Abronia villosa var. aurita Marcus E. Jones 1929-7-13 s.n. Riverside Temecula Bridge Comment
Read comments
May 19 2011
  SEINET946026  Abronia villosa var. aurita J. E. Bowers, S. P. McLaughlin 1985-1 3004 Riverside 4.1 miles by road northwest of junction of Highway 371 and 74, on Highway 74. Comment
  POM294038  Abronia villosa var. villosa Lyman Benson 1945-3-29 11640 Riverside 2 miles south of Whitewater. 366 Comment
  UCR227180  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  RSA0055055  Acacia greggii Nancy Anderson 1955-5-22 s.n. Riverside Palm Springs 138 Comment
  CAS-BOT-BC30910  Acamptopappus sphaerocephalus Howard Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  POM301785  Achnatherum speciosum J. Cole 1942-4-11 950 Riverside Split Rock Area, Joshua Tree National Monument, Riverside County. alt 4000ft 1220 Comment
  RSA797564  Achyronychia cooperi Baker, Michelle Cloud-Hughes 2011-12-18 17501 Riverside 67km WNW of Blythe, 17km west of Palen Pass, 27km NNE of Desert Center 175 Comment
  SEINET3156336  Achyronychia cooperi S. B. Parish 190 Riverside Colorado desert Comment
  UCR103363  Achyronychia cooperi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2747 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  UCD104282  Acmispon rigidus L. S. Rose 1935-12-23 s.n. Riverside Above Deep Canyon, San Jacinto Mts., 22 mi. so. Of Cathedral City, Colorado Desert. 1066 Comment
  SBBG68085  Acmispon strigosus M. N. Ackley -Feb-1926 543 Riverside near Edom 64 Comment
  SD167117  Acmispon strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  UCSB18876  Acmispon strigosus Winn, Will 1963-5-4 Riverside County Highway R-1, 13.3 miles N of Lake Fillmore Picnic area 853 Comment
  CAS-BOT-BC30915  Adenophyllum porophylloides R. S. Ferris; Rimo Bacigalupi 1958-3-19 13234 Riverside Gully ca. 0.5 mi. S of Styx siding near Midland, Rice to Blythe Road Comment
  CAS-BOT-BC139859  Adenostoma sparsifolium Winifern W. Swarth 1914-9-8 s.n. Riverside Trail below Strawberry Valley, San Jacinto Mts. 1524 Comment
  CSUSB1856  Adenostoma sparsifolium Ned Curtis 1974-7-19 Riverside San Jacinto Mountains San Jacinto Mountains 1523 Comment
  POM13712  Adenostoma sparsifolium Philip A. Munz 1922-4-29 5122 Riverside Lancaster Valley, s. of Hemet 457 Comment
Read comments
May 20 2011
  UCR248025  Ageratina adenophora O. F. Clarke 2010-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanic Garden 412 Comment
  RSA180464  Agoseris grandiflora var. grandiflora E. W. Lathrop 1960-5-27 5232 Riverside 6 miles west of Murrieta. Comment
  UC55109  Agoseris grandiflora var. grandiflora H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside 20 mi s Palm Springs; Palm Springs 1371 Comment
Read comments
May 2 2007
  CLARK-A1528-4445  Agrostis diegoensis John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  POM49466  Agrostis exarata P. A. Munz, I. M. Johnston 1924-7-28 8816 Riverside Pine Flats 1738 Comment
  CAS-BOT-BC139141  Agrostis oregonensis Ralph Hoffmann 1929-9-5 s.n. Riverside Mount San Jacinto. Tahquitz Valley. 2438 Comment
  UCR248029  Akebia quinata O. F. Clarke 2011-3-3 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  POM13322  Aliciella latifolia E. C. Jaeger 1921-04 1086 Riverside Corn Springs, Chuckawalla Mts Comment
  RSA430546  Allenrolfea occidentalis T. Glenn 1984-10-15 s.n. Riverside Whitewater River delta at north end of Salton Sea Comment
  RSA73963  Allionia incarnata Alice Yates, Jas. E. Wilcox 1952-4-6 28 Riverside Between Box Canyon and Smoke Tree National Monument 152 Comment
Read comments
Mar 2 2013
  UCR169942  Allionia incarnata Scott D. White, Jennifer H. Jones 2005-4-21 10942 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR208853  Allionia incarnata Scott D. White 2001-4-17 8331 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  CAS-BOT-BC464446  Allium burlewii S. B. Parish; W. F. Parish 1880-6-1 587 Riverside San Jacinto Comment
  OBI18921  Allium haematochiton David J. Keil, Malcolm McLeod 1979-3-18 12972 Riverside Alberthill Jctn along hwy 71 366 Comment
  POM190037  Allium haematochiton Marcus E. Jones 1931-3-2 s.n. Riverside Corona. Comment
  RSA524402  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4094 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
  RSA190622  Allium lacunosum var. davisiae L. B. Ziegler 1967-6-25 s.n. Riverside Kenworthy Ranger Station, south end of San Jacinto Mountains. 1616 Comment
  RSA770515  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 013 Riverside South of Idaleona Road, south of Harford Springs Co. Park 640 Comment
  UCR262234  Allophyllum gilioides subsp. violaceum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3730 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA526139  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4652 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR248049  Amaranthus albus Duncan S. Bell 2012-9-13 4193 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UCR116923  Amaranthus blitoides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24222 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  CDA3243  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60 Comment
  RSA653652  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23109 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  CLARK-A1528-5235  Amaranthus retroflexus John C. Roos 1937-8-17 2406 Riverside San Jacinto Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  RSA425023  Ambrosia acanthicarpa J. C. Roos 1965-9-26 s.n. Riverside Hemet Valley, San Jacimto Mtns. 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
  JOTR35086  Ambrosia dumosa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3537 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  LA202895  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  OBI25271  Ambrosia dumosa F. Seaman 1971-4-9 35 e Riverside 51.6 mi E of Twentynine Palms on State hwy 62 Comment
  RSA416960  Ambrosia dumosa Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  SBBG25177  Ambrosia dumosa Leota Davidson 1966-4-5 234 Riverside near intersection on Wyley Wells Rd, off Interstate 10 between Desert Center and Blythe, Chuckawalla Mts Comment
Read comments
Apr 5 2011
  UCD128804  Ambrosia dumosa William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR228405  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 143 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  UCR75095  Ambrosia dumosa A. C. Sanders, E. Lawlor 1992-4-4 12092 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC30795  Ambrosia ilicifolia P. A. Munz; D. D. Keck 1922-4-9 4782 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert 457 Comment
  HSC25927  Ambrosia ilicifolia Richard Spjut 1972-1-20 2126 Riverside Colorado Desert; washes leading from the N base of the Chuckawalls Mts. 305 Comment
  RSA775105  Ambrosia ilicifolia Duncan S. Bell, Michael Hee 2011-3-18 2048 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR141234  Ambrosia psilostachya A. C. Sanders, Mike Misenhelter 2004-10-6 28833 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
  UCR40411  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  SD138940  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Adjacent to Nichols Road about 400 yards west of Highway I-15 Comment
  LA26682  Ambrosia salsola William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  SEINET2052892 Image available Ambrosia salsola Bruce A. Beebe 1970-5-9 33 Riverside Cabazon area, 0.6 mile N. on S. Cal. Edison road no. V13 from turn-off with Apache Trail Road. 609 Comment
  UC718798  Ambrosia salsola L. R. Abrams 1941-4-24 13935 Riverside near Cabazon; San Gorgonio Pass Comment
  UCD128886  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 271 Riverside near entrance gate, Andreas Canyon Club, South Palm Canyon Drive, Palm Springs. 167 Comment
  SBBG61691  Ambrosia salsola var. salsola M. N. Ackley -Feb-1926 247 Riverside near Edom 64 Comment
  UC64802  Ambrosia salsola var. salsola E. E. Schellenger 1904-3-15 66 Riverside McCoy Wash Colorado Desert, Paloverde Comment
  RSA527870  Amelanchier pallida Scott D. White 1991-5-24 91 -73 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf and W of Hwy 38, S of Hwy 18 and Baldwin Lake. 2073 Comment
  RSA160512  Amorpha californica J. D. Olmsted 1959-4-30 508 Riverside Near county line north of Hidden Ranch 100 yards NW of Rattlesnake rock on Black Star Canyon Road; 5 miles east of Irvine Reservoir. 732 Comment
  UC489201  Amorpha californica var. californica C. V. Meyer 1928-7-27 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  RSA0120137  Amorpha fruticosa Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9080 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UCR162542  Amorpha fruticosa Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  HSC84226  Amsinckia intermedia Karin Cleary 1987-4-8 11 Riverside Banning; 1.5 km N of the intersection of I-10 and Sunset Ave. E side of Sunset 835 Comment
  POM343354  Amsinckia intermedia F. R. Fosberg 1983-4-23 64197 Riverside Lower Whitewater Canyon Comment
  UCR260834  Amsinckia intermedia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41521 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
  UCR4153  Amsinckia intermedia R. H. Sauer 1965-2-28 s.n. Riverside Box Springs Mtns 366 Comment
  CLARK-A1528-970  Amsinckia menziesii Patricia A. Andrews 1975-3-13 5902 Riverside Rubidoux Comment
  SDSU18983  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-5 495 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  RSA0086465  Amsinckia retrorsa Mitch Provance 2013-4-8 413 -12 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCR241771  Amsinckia retrorsa A. C. Sanders 2013-4-9 40780 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., west of Trumble Rd., SE of Perris 436 Comment
  UC218011  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  UCSB54163  Amsonia tomentosa McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  RSA714021  Ancistrocarphus filagineus R. E. Riefner 2005-4-15 05 -200 Riverside City of Hemet, hills E ca. 1.5 mi. off Winchester Road and Florida Ave. 515 Comment
  CAS-BOT-BC400338  Anemopsis californica A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23183 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  RSA503858  Anemopsis californica N. C. Cooper 1949-6-1 3958 Riverside Elsinore. 457 Comment
  UCSB57881  Anemopsis californica Thorne, Robert 1973-5-23 Riverside Santa Rosa plateau-Mesa de Colorado; Grassy margin of small stream N of mesa 609 Comment
  IRVC3693  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-5-28 SJ 19 Riverside Below Idyllwild toward Mountain Center. Peninsular Ranges, San Jacinto Mountains 1524 Comment
  UCR14552  Angelica tomentosa Warren Estes 1974-7-10 s.n. Riverside San Jacinto Mtns., l mi. above Poppet Flats, E side of Rd. 243, near Banning 1280 Comment
  SD144071  Anthemis cotula Scott D. White 1997-5-25 5242 B Riverside Perris Basin, Winchester area: roadside of Simpson Ave. less than 1 mile W of intersection with Winchester Rd. 445 Comment
  UCR34896  Anthemis cotula L. B. Ziegler 1967-11-7 262 Riverside San Jacinto Mtns., Poppet Flats area 1070 Comment
  RSA425789  Antirrhinum coulterianum R. S. Woglum 1937-5-22 588 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
Read comments
Apr 7 2011
  SD4551  Antirrhinum coulterianum Fidella G. Woodcock 1928-4-27 Riverside Valley between San Jacinto Mountain and Warner's Hot Springs 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
  UCR110983  Antirrhinum coulterianum George K. Helmkamp 1998-6-27 4081 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
  POM312020  Antirrhinum filipes Karen Hosterman 1958-4-5 1248 Riverside Teddy Bear Cholla Patch in desert Comment
  UCR116417  Antirrhinum nuttallianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24186 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
  POM354919  Antirrhinum nuttallianum subsp. nuttallianum J. D. Olmsted 1962-5-10 3648 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  RSA737117  Apium graveolens Justin M. Wood 2008-10-15 183 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD127240  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles southwest of Corona, Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  RSA482604  Arabis perennans E. C. Jaeger 1922-6-29 s.n Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  RSA0128631  Arabis repanda H. M. Hall 1897-06 299 Riverside San Jacinto Mtn. 1829 Comment
  SEINET3239809  Arceuthobium campylopodum R. L. Mathiasen 2009-1 2009 -69 Riverside Across street from Idylwild Ranger Station, Idylwild, CA. 1700 Comment
  RSA783660  Arctostaphylos glandulosa J. D. Olmsted 1959-4-10 344 Riverside 3 mi S of Banning on Hwy to Idyllwild. Drainage into San Gorgonio Pass. 762 Comment
  RSA526501  Arctostaphylos glandulosa subsp. adamsii Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA559459  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross 1992-5-4 7208 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD217272  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6655 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness; lower half of Tenaja Canyon especially about Fisherman/s Camp Comment
  UC63815  Arctostaphylos glandulosa subsp. zacaensis H. M. Hall 1901-6-10 2061 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  HSC47418  Arctostaphylos glauca Richard Spjut, C. E. Edson 1978-5-5 5018 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  RSA631780  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19277 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA633587  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22509 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633692  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21766 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633700  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16670 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  LA42378  Arctostaphylos patula Elizabeth McClintock; 1937-7-10 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  RSA635656  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16640 Riverside Road to Santa Rosa Mtn. (7S02), 3.7 km south of Hwy 74. 1610 Comment
  SEINET11977832  Arctostaphylos pringlei subsp. drupacea A. E. Wieslander 1938-1 821 Riverside Idyllwild, Strawberry Valley 168 Comment
  CAS-BOT-BC46341  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Above Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA293530  Arctostaphylos pungens C. W. Tilforth, W. Wisura 1979-8-8 1903 Riverside Along hiway 74, 7.5 mi. south-east of Lake Hemet turn-off, Garner Valley Comment
  RSA636181  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19540 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  SEINET12102572  Argemone corymbosa Unknown 1936-1 12854 Riverside Foothills of San Jacinto Mts, near Palm Springs Comment
  RSA539998  Argemone corymbosa subsp. corymbosa Robert L. Dressler 1949-3-19 433 Riverside 5 mi. NE of Desert Center Comment
  RSA0018883  Aristida adscensionis Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6016 Riverside Chuckwalla Valley; approximately 17.5 air miles west of Blythe, on the south side of Interstate 10, about 0.4 air mile south of Wileys Well. 120 Comment
  RSA0062478  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40415 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. 114 Comment
  RSA650402  Aristida adscensionis David B. Dunn, H. Lint 1955-4-1 11840 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  RSA784746  Aristida adscensionis Duncan S. Bell 2012-2-12 3090 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET3918922  Aristida adscensionis Elizabeth Neese 1979-4-10 7084 Riverside Ca 25 mi W of Blythe, desert along Interstate 10.; 0 244 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
  RSA0130722  Aristida adscensionis G. Rink 2013-3-19 11887 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SBBG57075  Aristida divaricata M. N. Ackley -May-1929 Riverside Tahquitz Lodge 1524 Comment
  UCD56533  Aristida purpurea var. fendleriana Peter H. Raven 1958-5-18 13003 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  UCD56562  Aristida purpurea var. nealleyi Peter H. Raven 1958-5-18 12986 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  UCD56564  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5426 Riverside Colorado Desert, Salt Creek Wash. 152 Comment
  UCR26239  Aristida purpurea var. parishii John C. Roos 1948-5-15 3840 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  POM13394  Artemisia californica E. C. Jaeger 1921-4-10 1020 Riverside Palm Springs, Colo. Desert. Comment
Read comments
Nov 5 2011
  UCR145970  Artemisia californica June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CDA20369  Artemisia ludoviciana subsp. incompta H. R. Leach 1958-9-12 s.n. Riverside Southern California; Mt. Center. 0 Comment
  JOTR30293  Artemisia ludoviciana subsp. incompta Andre, Jim, Tasha La Doux 2007-9-6 8704 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  SEINET186322  Artemisia ludoviciana subsp. mexicana Philip A. Munz 1938-8-13 15335 Riverside East of Santa Rosa Peak 2377 Comment
  UCR121137  Artemisia tridentata June Latting 1972-10-27 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  POM294106  Artemisia tridentata subsp. tridentata Lyman Benson 1945-11-10 11917 Riverside 5 miles west of Aguanga. 457 Comment
  UC1782174  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  POM13814  Asclepias californica P. A. Munz 1922-4-28 5060 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  RSA192148  Asclepias eriocarpa H. A. Zuill 1966-6-5 186 Riverside 1 mile SW of Murrieta on the Tenaja Grade. Comment
  UC154644  Asclepias erosa Rensselaer J. Smith May 1904 306 Riverside Palm Springs Comment
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Aug 27 2011
  UCR51475  Asclepias erosa S. J. Myers 1987-8-6 s.n. Riverside Aguanga, c. 1/2 mi. west of Hwy 371 at intersection of El Pasta and El Reposo Rd. 642 Comment
  SEINET10779846  Asclepias subulata Marcus E. Jones 1906-4-30 Jones s.n. 1906 Riverside Indio Comment
  UCD121362  Asclepias subulata Geoffrey Levin 1975-12-7 659 Riverside Painted Canyon, about 9 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sink drainage area. 76 Comment
  RSA0011738  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA5226  Aster alpigenus var. andersonii C. B. Wolf 1932-8-5 3953 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  SEINET937944 Image available Astragalus aridus H. F. Loomia 1930-1 203 Riverside Near Mecca Comment
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Mar 22 2014
  UCD84938  Astragalus aridus Chuck Hughes 2010-3-23 210 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  CAS-BOT-BC177728  Astragalus crotalariae E. K. Balls 1949-4-2 12905 Riverside Near Durmid by the Salton Sea on Highway 111, Colorado Desert -67 Comment
  UC397259  Astragalus didymocarpus var. dispermus G. B. Grant Apr. 1906 Riverside Palm Spring Comment
  RSA85878  Astragalus didymocarpus var. obispoensis J. C. Roos 1952-4-30 5606 Riverside Hills between Camp Haan and Riverside 518 Comment
  RSA359860  Astragalus didymocarpus var. obispoensis Steve Boyd 1986-4-2 1624 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA0031439  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4549 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC178436  Astragalus douglasii var. parishii E. A. McGregor 1943-6-12 20 Riverside Idyllwild, San Gabriel Mountains Comment
  CAS-BOT-BC178444  Astragalus douglasii var. parishii P. A. Munz 1922-6-29 5895 Riverside Santa Rosa, Santa Rosa Mts. 2011 Comment
  RSA321311  Astragalus filipes L. B. Ziegler 1972-5-17 457 Riverside San Jacinto Mtns. Hemet (Garner) Valley. 1418 Comment
  SDSU7941  Astragalus lentiginosus K. Larson 1975-4-24 1528 Riverside 10 miles northwest Palm Springs Creek rd. Comment
  LA85610  Astragalus lentiginosus var. fremontii Elizabeth McClintock; 1946-4-14 Riverside Pines to Palms Highway, 2 miles from foot of grade Comment
  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
  RSA777331  Astragalus nuttallianus var. imperfectus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 828 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UC862962  Astragalus nuttallianus var. imperfectus C. L. Hitchcock 1940-4-3 5935 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree National Monument); , ne of Cottonwood Spring Comment
  RSA594766  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 1000 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
  JEPS54934  Astragalus palmeri Marjorie D. Clary 1932-11-14 1673 Riverside Pinyon Flats , Pinyon Flats (San Jacinto Mts.) 1219 Comment
  OBI35629  Astragalus palmeri Louis B. Ziegler 1972-5-17 458 Riverside San Jacinto Mts - Pinyon Flats 1250 Comment
  UC863012  Astragalus pomonensis C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  UCR158332  Astragalus pomonensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30057 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
  CLARK-A1528-2761  Astragalus tricarinatus John C. Roos 1948-5-8 3826 Riverside Whitewater Comment
  SDSU6299  Atrichoseris platyphylla Darley Howe 1949-3-21 1944 Riverside 10 miles east of Mecca. 213 Comment
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Oct 13 2011
  UC1303124  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside 4 1/2 mi se Mecca (Caleb (Southern Pacific railway siding), Colorado Desert); Colorado Desert, Caleb, se of Mecca 60 Comment
  OBI17352  Atriplex canescens subsp. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Srpings 152 Comment
  RSA543882  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1991-5-13 6238 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UC1584123  Atriplex coronata var. notatior D. Bramlet 1990-7-20 2054 Riverside in the Old San Jacinto River channel about 880 m ne of Davis Rd and some 400 sw first waterfowl pond (San Jacinto Wildlife Area, Old San Jacinto River Channel); Lakeview Quad., San Jacinto Wildlife Area, old San Jacinto R 476 Comment
  UCR90766  Atriplex coronata var. notatior D. E. Bramlet 1991-4-30 2088 Riverside 6.5 km west of Hemet and Approx. 610 m west of the intersection of Florida and Warren Road, 340 m south of Florida Ave. and 53 m east of the MWD canal 457 Comment
  UCR68039  Atriplex davidsonii D. E. Bramlet 1991-5-2 3012 Riverside San Jacinto Valley, 20m south of Setson Road at the intersection of Setson Road and California Avenue; c. 200m west of the MWD canal. Comment
  CAS-BOT-BC170261  Atriplex hymenelytra John Thomas Howell 1928-1-28 3289 Riverside Thousand Palms, Colorado Desert Comment
  SEINET8753398 Image available Atriplex hymenelytra F. R. Fosberg 1932-1 8087 Riverside Thousand Paleus Canyon, Coachella valley Comment
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Jun 4 2016
  SEINET11940360  Atriplex lentiformis T. J. Crovello 1963-1 298 Riverside Just W of State Highway 111, on Avenue 64, N of Mecca Comment
  SBBG72594  Atriplex semibaccata M. N. Ackley 1928-3-25 105 Riverside Indio -4 Comment
  UCR182538  Atriplex serenana var. serenana Mitch Provance 2003-7-3 4638 Riverside San Bernardino Valley, Riverside, the NE part of Lionshead (Challen Hill), 0.4 km due west of the corner of California Av. and Van Buren Blvd. 238 Comment
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  SD146319  Atriplex triangularis A. C. Sanders, D. Bramlet, Mihai Costea, and T. Salvato. 1999-10-15 23181 Riverside San Jacinto Valley; Mystic Lake, 1.0 mile west of Jackrabbit Trail on Gilman Springs Road, 0.4 mile west of Quail Lake Golf Course entrance. 436 Comment
  CAS-BOT-BC146194  Avena barbata T. Winfield 1975-5-1 s.n. Riverside Cajalco Road - 1 mile west of Lake Matthews Dam. Comment
  RSA774514  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4467 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 W116.64315 487 Comment
  UCR100173  Avena barbata Scott D. White 1993-3-3 1088 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR177506  Avena barbata S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  CLARK-A1528-4495  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  CSUSB422  Avena fatua D. L. Heald 1966-4-5 Riverside In the front yard of D.L. Heald's residence in Arlington. 304 Comment
  JOTR33815  Baccharis brachyphylla La Doux, Tasha, B. Truesdell 2007-11-9 3330 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along park south boundary (STOP 6) 655 Comment
  SD144066  Baccharis brachyphylla A. C. Sanders, P. MacKay 1994-10-23 15849 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell. 673 Comment
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Jan 14 2010
  SD249125  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-29 7679 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon to the north of Martinez Canyon, ca. 6.0 air miles southeast of the summit of Martinez Mountains. 394 Comment
  UC774847  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11437 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  UCR272131  Baccharis brachyphylla Duncan S. Bell, Sarah J. De Groot, Amy Rouillard 2015-10-19 8717 Riverside San Bernardino Mountains, Whitewater Canyon, along the Pacific Crest Trail, c. 0,75 air mile northeast of Red Dome 885 Comment
  POM10240  Baccharis emoryi E. A. Zumbro 1904-1 s.n. Riverside Cold Water Canyon, Santa Ana Mountains Comment
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Jul 4 2010
  RSA463260  Baccharis pilularis L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau, W of Murrieta 610 Comment
  POM350374  Baccharis salicifolia Ora M. Clark 1929-4-6 1952 Riverside South of Hemet. Comment
  POM4663  Baccharis salicifolia F. L. Robinson, Crocker 1916-3-26 s.n. Riverside Santa Ana Mts, near Murrietta Comment
  RSA5523  Baccharis salicifolia C. B. Wolf 1932-10-11 4274 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  SFV11418  Baccharis salicifolia M. L. Vincent 1963-10-19 459 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.75 miles southeast of the intersection between Highway 111 and Interstate Highway 10. Comment
  JEPS21253  Baccharis salicifolia subsp. salicifolia Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio; Carrizo Canon 304 Comment
  UC63381  Baccharis salicifolia subsp. salicifolia Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Comment
  CAS-BOT-BC106629  Baccharis salicina Carl B. Wolf 1931-3-13 1084 Riverside Colorado Desert, in old cotton field, 2 mi. north of Blythe 152 Comment
  SEINET946173  Baccharis salicina A. C. Sanders 1997-1 21619 Riverside Lake Skinner area: mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  SEINET2096779  Baccharis sarothroides R. Harms 2003-4-1 Riverside San Andreas Oasis, Dos Palmas Reserve; -15 Comment
  UCR92158  Baccharis sergiloides D. L. Banks, Steve Boyd 1995-10-17 0804 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  UCR125437  Bacopa monnieri A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25683 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  SD232171  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills/Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and/or west of unnamed peak. 395 Comment
  RSA442012  Bahiopsis parishii Christopher Davidson, B. Gustafson 1977-4-7 5576 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  RSA730113  Bahiopsis parishii R. F. Thorne 1966-10-15 41801 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  POM13024  Baileya pauciradiata Philip A. Munz, D. D. Keck 1922-4-14 4965 Riverside Indian Wells 107 Comment
  SD227726  Baileya pauciradiata Scott D. White 1998-4-15 6295 Riverside La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel.Degraded dunes N of Miles Ave. and W of Washington St. 29 Comment
  SEINET2047551 Image available Baileya pauciradiata Shirley Hill 1963-3-13 630313 Riverside 500 yards down desert wash on Vista Chino St., Palm Springs Comment
  UC1035183  Baileya pauciradiata John Ingram, Howard Arnott and Francia Chisaki 1955-4-18 631 Riverside 5.6 mi se of turn-off to 1000 Palms on Hwy 60 Comment
  UC472194  Baileya pauciradiata F. M. Reed 1917-5-19 3840 Riverside Palm Canyon Colorado Desert Comment
  SEINET7353618 Image available Baileya pauciradiata H. M. Hall 1905-1 5911 Riverside Near Palo Verde 91 Comment
  POM49357  Bebbia juncea Philip A. Munz 1924-6-21 8203 Riverside Temecula Canyon. Comment
  POM7075  Bebbia juncea Philip A. Munz, L. T. Street 1919-5-7 2738 Riverside Colorado Desert, Tahquitz Canyon 229 Comment
  RSA1371  Bebbia juncea B. D. Stark 1930-2-21 1468 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA450419  Bebbia juncea J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA696870  Bebbia juncea J. Russell Bruff 1928-11-23 2 Riverside Whitewater. Comment
  UCR136262  Bebbia juncea A. C. Sanders 2004-6-20 28231 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  CAS-BOT-BC100118  Bebbia juncea var. aspera Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13263 Riverside Divide betw. Little Maria and Big Maria Mts., 1/2 mi. S of Styx siding near Midland (Rice-Blythe road) Comment
  SD262181  Bebbia juncea var. aspera Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617 05 Riverside Temescal Valley: Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 377 Comment
  SFV6299  Bebbia juncea var. aspera T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 53 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UC1119034  Bebbia juncea var. aspera A. Lewis 1934-5-1 455 Riverside Railroad Canyon, Elsinore Elsinore, Railroad Canyon 487 Comment
  UC1746489  Bebbia juncea var. aspera Mitch Provance 1998-7-7 887 Riverside 1/4 to 1/2 mi from corner of Riverside Ave and Agua Mansa Rd.; Colton 262 Comment
  UC51597  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 Riverside Salton Comment
  UCR244407  Bebbia juncea var. aspera Jim Andre 2012-4-16 20900 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  SEINET3862253  Beloperone californica Sears 1978-3-18 949 Riverside 10 mi. SW of Desert Center, 8 mi S of Interstate 10 on Red Cloud Road following mining Railroad Wash area.; 0 457 Comment
  RSA0008555  Berberis nevinii J. C. Roos, Lucille Roos 1949-5-21 4321 Riverside Near Vail Dam, 2 miles north of Dripping Springs, southwestern Riverside County. Comment
  RSA0089287  Bergia texana David 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
  UCR85592  Bergia texana Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterena B. 1993-7-9 1432 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  CAS-BOT-BC207045  Bernardia incana John C. Roos 1950-12-2 5027 Riverside Monson Canyon, Eagle Mts. 1066 Comment
  CAS-BOT-BC207049  Bernardia incana Annie M. Alexander; Louise Kellogg 1941-5-23 2220 Riverside Near mouth of canyon, north slope of Eagle Mountains 1371 Comment
  RSA102341  Bernardia incana S. B. Parish, W. F. Parish 1882-03 752 Riverside Borders of the Colorado Desert, Whitewater. Comment
  RSA293511  Bernardia incana W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook, Highway 74 above Deep Canyon, south of Palm Desert. Comment
  RSA648648  Bernardia myricifolia R. E. Riefner 2000-6-10 20 -482 Riverside San Bernardino National Forest. Hwy. 74 near Pinyon Flats Campground 1219 Comment
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Sep 7 2011
  UCR85191  Bernardia myricifolia A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  CLARK-A1528-2552  Beta vulgaris John C. Roos 1937-5-23 2059 Riverside La Sierra Comment
  RSA603750  Bidens laevis L. C. Wheeler 1932-9-4 1319 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  SBBG880  Bloomeria crocea var. crocea H. and M. Dearing 1940-6-8 4353 Riverside W of Ribbonwood, Palms to Pine Hwy Comment
  RSA278499  Boechera californica John F. Emmel 1977-5-15 560 Riverside Dry Creek, just west of confluence with Coldwater Creek, 1.3 air miles W. of Mountain Center. 1098 Comment
  SD79852  Boechera californica Helen Witham 1970-4-29 815 Riverside One mile west of L. Hemet. 1200 Comment
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Nov 4 2008
  UCSB26857  Boechera californica Gerhart, Janet 1963-5-3 Riverside 8.5 miles north of Lake Fulmor Picnic area on Banning-Idyllwild road 1219 Comment
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Mar 14 2014
  CAS-BOT-BC13902  Boechera johnstonii Philip Alexander Munz 1937-5-31 15123 Riverside Kenworthy, south part of San Jacinto Mountains. 1371 Comment
  UCR12293  Boerhavia coulteri Bill Isom 1971-9-8 s.n. Riverside U.C.R. field station, Moreno Valley Comment
  SD129259  Boerhavia intermedia A. C. Saunders 1989-9-19 9511 Riverside Chocolate Mountains arial gunnery range 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabatesca Target 640 Comment
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Sep 24 2017
  JOTR30815  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 336 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  UC1930178  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10. Comment
  UC851715  Boerhavia wrightii C. Epling and Wm. Stewart 1936-9-1 Riverside Desert Center Comment
  UCD170384  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112- 05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  JOTR33680  Bothriochloa barbinodis La Doux, Tasha, Mike Bell 2003-10-17 1592 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
  JOTR37742  Bothriochloa barbinodis Hodges, Stephen, Cody Fogg and Kelsey Bosch 2015-10-5 538 Riverside near the pink house, Barker Dam vicinity 1236 Comment
  UCR2147  Bothriochloa barbinodis F. M. Reed 1920-5-10 4335 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Murray Canyon, near Palm Springs 427 Comment
  RSA778528  Bouteloua aristidoides Amber Swanson 2011-10-9 649 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  SEINET3920214  Bouteloua aristidoides David Charlton 1988-2-18 1127 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn Rd.; 0 610 Comment
  UCR103311  Bouteloua aristidoides var. aristidoides George K. Helmkamp 1998-4-4 3162 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCD56853  Bouteloua barbata S. B. Parish 1912-6-28 8102 Riverside Mecca. Salton Basin. Comment
  POM13714  Bowlesia incana P. A. Munz 1922-4-29 5119 Riverside Lancaster Valley 396 Comment
  RSA157925  Bowlesia incana P. A. Munz 1927-5-21 10846 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR112978  Bowlesia incana B. G. Pitzer 1998-3-1 3561 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  HSC101263  Brandegea bigelovii Jim Andre 2012-3-19 21362 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  JEPS78698  Brandegea bigelovii S. B. Parish 1912-10-23 8292 Riverside near Mecca (Chuckwalla Mountains, Red Canyon); Chuckwalla Mountains, Red Canyon Comment
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Nov 24 2011
  RSA77415  Brandegea bigelovii F. W. Peirson 1927-4-12 7166 Riverside In Painted Canyon near Mecca. Comment
  SBBG54857  Brandegea bigelovii D. Keil, M. McLeod, D. Walters 1977-3-27 12059 Riverside Box Cyn Rd, ca. 20 mi ENE of Mecca, Orocopia Mtns 274 Comment
  UCR103555  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  CSUSB494  Brassica geniculata C. Brown 1964-4-5 5464 1 Riverside East side Pachappa hill, along driveway off Panorama road 274 Comment
  UCR59915  Brassica kaber Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, University of California agricultural experimental farms, c. 1/2 mi south of Alessandro Blvd at NE corner of Cactus Avenus and Nason Street Comment
  UCR275352  Brassica rapa T. B. Salvato, Melissa Clemons 2005-6-9 1495 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  JOTR34320  Brassica tournefortii Andre, Jim 2012-4-11 20820 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA0123356  Brassica tournefortii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9048 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
  RSA784969  Brassica tournefortii Duncan S. Bell 2012-3-18 3232 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UCR93041  Brassica tournefortii Scott D. White 1995-3-30 2647 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
  JOTR37458  Brickellia arguta var. arguta Hodges, Stephen, T. Green 2016-5-24 580 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UC64839  Brickellia californica E. A. Zumbro 1904-1-1 420 Riverside Cold Water Canon Santa Ana Mts. Comment
  RSA595916  Brickellia desertorum Darin L. Banks, Lauren Raz 1996-11-5 1175 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  UC1010312  Brickellia desertorum John and Lucille Roos 1950-9-30 4995 Riverside 3 mi n of Elsinore (hills midway between Steele Pk. and Elsinore) 487 Comment
  POM99021  Brickellia incana E. C. Jaeger 1926-4-24 s.n. Riverside Eagle Mts. eastern Riverside Co. 976 Comment
  SEINET10797623  Brickellia microphylla var. watsonii A. K. Evans 1976-4-13 Evans 5214 Riverside Desert canyons of Santa Rosa Mountains. Comment
  UCR191210  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 918 Riverside Peninsular Ranges; Santa Ana Mountains region, Elsinore Peak; 0.3 km southwest of the peak 1043 Comment
  UCR50784  Brodiaea santarosae S. J. Myers 1988-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi west of the N end of Mesa de Burro, west of the town of Murrieta Comment
  CLARK-A1528-2794  Brodiaea terrestris William E. Wayburn 1973-5-26 730526 Riverside Murrieta 548 Comment
  RSA180311  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1960-6-7 4857 Riverside 14 miles W of Murrieta Comment
  UCR280724  Brodiaea terrestris subsp. kernensis Mitch Provance, John Hazlett 2017-4-27 417- 24 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  SD136967  Bromus arenarius Steve Boyd, Tim Ross et al. 1993-5-13 7367 Riverside Southen Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 410 Comment
  CAS-BOT-BC149328  Bromus arizonicus F. H. Billings 1931-4-1 s.n. Riverside Redlands. Comment
  CAS-BOT-BC149332  Bromus arizonicus H. M. Hall 1905-1-1 5980 Riverside Colorado Desert. Comment
  SD152996  Bromus carinatus Steve Boyd 1992-4-15 6858 Riverside Santa Ana Mtns; San Mateo Cyn Wilderness area; Bluewater Cyn along Bluewater Tr; downstream to the confluence with San Mateo Creek 334 Comment
  SEINET3921841  Bromus carinatus Elizabeth Neese 1979-4-11 7104 Riverside Road jct halfway between Blythe & Rice.; 0 Comment
  CSUSB424  Bromus catharticus Kheng Try Seng 1966-4-24 660424 2 Riverside University of California, Riverside (UCR) campus 274 Comment
  UCR92141  Bromus diandrus D. L. Banks, Steve Boyd 1995-5-3 201 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  SEINET260204 Image available Bromus hallii M. Curto, L. Allen 1990-6-25 679 Riverside San Bernardino National Forest ; San Jacinto Mts ca 3km SE of Pine Cove on SBNF Rd 5S10 1830 Comment
  UCR2244  Bromus rubens F. M. Reed 1906-3-16 907 Riverside Riverside, along Southern Pacific RR tracks between Indianapolis Ave. [=Spruce St.] and Chicago Ave. 280 Comment
  UCR234258  Bromus rubens A. C. Sanders 2012-4-12 40032 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between El Hermano Rd. and I-15 crossing near Mayhew Canyon 311 Comment
  UCR243172  Bromus rubens LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4350 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
  RSA660233  Bromus rubens M. Duke, Christy Hightower, C. McElroy 1982-5-15 10 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  SEINET4404474  Bromus rubens N. D. Atwood 1993-3-27 17691 Riverside Corona Del Mar State Park, along Newport Coast Drive 0 Comment
  SEINET6196154 Image available Bromus tectorum Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant. 2010-4-12 4429 Riverside San Bernardino Mountains region,Transverse Ranges: Whitewater Canyon, Along Whitewater River Drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. 488 Comment
  UCD59890  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UCR156367  Bromus tectorum T. B. Salvato, Kent Beaman 2005-5-16 873 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA498297  Caesalpinia virgata G. R. Johnstone 1930-4-13 14652 Riverside 1000 Palms Colorado Desert Cal. Comment
  JEPS52588  Calandrinia ambigua W. L. Jepson 1927-4-13 11688 Riverside Painted Canyon Mecca Hills (mouth) 45 Comment
  POM123120  Calandrinia ciliata Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  RSA522704  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3891 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
  UCSB248  Calocedrus decurrens Bobkowski, Jr., Vincent 1960-5-14 Riverside Black Mountain Camp, San Bernardino National Forest 1981 Comment
  UCR117615  Calochortus concolor Scott D. White 1997-5-25 5239 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR29262  Calochortus palmeri var. munzii A. C. Sanders 1980-6-11 1576 Riverside San Jacinto Mtns, Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR240269  Calochortus plummerae Theresa Johnson 2010-6-16 s.n. Riverside San Jacinto Mtns. Foothills, Potrero Canyon 701 Comment
  RSA0120466  Calochortus splendens Duncan S. Bell 2016-4-16 9321 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA586800  Calochortus splendens Darin L. Banks, Steve Boyd 1995-5-3 238 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
  RSA674935  Calochortus splendens Scott D. White 2000-5-30 7969 Riverside Corona Foothills: ca. 1 mi SE of the I-15/El centro Rd jtn. Adv to new housing construction. Alluvial terrances with steep, incised channels. 335 Comment
  RSA752778  Calochortus splendens Scott D. White, Justin M. Wood 2009-5-21 12842 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR4320  Calycadenia tenella D. Gordon 1952-5-19 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus 335 Comment
  RSA791486  Calycoseris parryi J. Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21075 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  POM98995  Calycoseris parryi E. C. Jaeger 1926-3-20 s.n. Riverside Pinto Mts. 915 Comment
  RSA3969  Calycoseris wrightii C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  SEINET7073439  Calyptridium monandrum A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  RSA271855  Calystegia macrostegia subsp. intermedia C. W. Tilforth 1978-4-30 1565 Riverside Low rounded hills east of Norco Comment
  RSA192219  Calystegia macrostegia subsp. tenuifolia E. W. Lathrop 1965-4-4 5625 Riverside 8 miles W of Murrieta - Tenaja Range Comment
  CAS-BOT-BC199286  Calystegia sepium subsp. limnophila Mitch Provance; S. D. Boyd 1999-9-14 1780 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
  RSA559346  Camissonia bistorta Steve Boyd, T. S. Ross 1992-5-15 7396 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA612487  Camissonia bistorta D. L. Banks 1997-2-23 1330 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SEINET272325  Camissonia bistorta A. C. Sanders, G Helmkamp 1997-3-15 19965 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UCR59923  Camissonia bistorta Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice and McVicker Canyons 488 Comment
  UCR93824  Camissonia bistorta P. J. MacKay 1996-6-15 003 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA359857  Camissonia bistorta Steve Boyd 1986-4-2 1629 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA727394  Camissonia boothii Naomi S. Fraga, Lisa Rojas 2005-2-10 1396 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA465965  Camissonia boothii subsp. condensata N. C. Cooper 1949-4-8 3246 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  RSA465969  Camissonia boothii subsp. condensata Lester Rowntree 1930-5-7 s.n. Riverside Colorado Desert, Hidden Springs Comment
  RSA49370  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-12 13040 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  POM17949  Camissonia californica P. A. Munz 1923-6-14 7107 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA144811  Camissonia californica E. G. Linsley, J. W. MacSwain 1960-3-1 60 -2 Riverside Colorado Desert, Palm Springs, Tamarisk Avenue Comment
  RSA192045  Camissonia californica E. W. Lathrop 1966-5-16 6326 Riverside Tenaja Grade, 2 miles SW of Murrieta on the Tenaja Road. Comment
  RSA501040  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3161 Riverside Agua Tibia Mountains. Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA9347  Camissonia californica Mary F. Spencer 1920-3-29 1614 Riverside In desert sand, Palm Springs, Colorado Desert. 137 Comment
  RSA454782  Camissonia chamaenerioides M. B. Dunkle 1937-3-25 4920 Riverside Colorado Desert. Shaver s Well Comment
  UCR74359  Camissonia claviformis Theo Glenn 1991-5-1 91- 49 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  RSA449182  Camissonia claviformis subsp. aurantiaca Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  UCR132486  Camissonia hirtella Tracy Tennant, T. B. Salvato 1998-6-23 477 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR177996  Camissonia hirtella S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA782529  Camissonia ignota A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38374 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  RSA186708  Camissonia intermedia Peter H. Raven 1962-4-22 17382 Riverside Along State Highway 71, 3.3 miles west of Dripping Springs Campground 457 Comment
  RSA339683  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1980-5-28 54161 Riverside San Bernardino Mts: 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 mile E of Whitewater Post Office. Comment
  RSA449057  Camissonia refracta N. C. Cooper 1949-4-8 3284 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA726538  Camissonia refracta Naomi S. Fraga, Lisa Rojas 2005-2-10 1351 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR120168  Camissonia strigulosa Mitch Provance 1998-3-5 187 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR158276  Camissonia strigulosa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30124 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
  SBBG35187  Camissoniopsis bistorta T. L. Secrest 1951-5-18 Riverside near Hemet Comment
  OBI29872  Camissoniopsis ignota Melissa Luckow, Rhonda Riggins 1982-4-15 829 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UC147299  Camissoniopsis ignota H. M. Hall 1897-4-3 429 Riverside Winchester Comment
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Mar 20 2011
  UC1007220  Camissoniopsis pallida subsp. hallii Philip A. Munz 1940-3-22 15660 Riverside 2 mi n Banning-Indio boulevard; Whitewater Canyon Comment
  UCR37463  Capsella bursa-pastoris Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  POM14318  Carex alma Phillip A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mile above mouth of Strawberry Creek. 1159 Comment
  UCR108996  Carex globosa D. L. Banks 1997-3-29 1563 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR26921  Carex occidentalis A. C. Sanders 1980-7-22 1705 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  POM1486  Carex praegracilis Phillip A. Munz 1918-4-27 2132 Riverside Elsinore Comment
  RSA740952  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12259 Riverside Meadows at Baldy Mtn. 1585 Comment
  UC2030026  Carex triquetra S. D. White, Sandy Leatherman 2000-5-31 7974 Riverside SANTA ANA MTS. / SANTA ROSA PLATEAU: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. Comment
  UCR58883  Castela emoryi J. M. Stewart 1989-10-17 613 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 2.5 mi. west of Wiley's Well Comment
  RSA701409  Castilleja exserta Steve D. Boyd, Aydee Virgen 2004-4-13 10870 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC886544  Castilleja exserta L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  JEPS10615  Castilleja exserta subsp. exserta Marjorie D. Clary 1932-3-20 1638 Riverside 10 mi nw Garnet; Colorado Desert, Mission Creek 457 Comment
  SDSU12881  Castilleja exserta subsp. exserta J. Jill Steinberg with Leon Steinberg 1998-4-5 39 Riverside North side of foot trail approximately 1/2 mile north east of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 351 Comment
  RSA0010902  Castilleja exserta subsp. exserta Robert L. Rutherford 1945-5-24 1654 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA0121435  Castilleja foliolosa Duncan S. Bell, LeRoy Gross 2016-3-30 9144 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
  UCR94646  Castilleja foliolosa Scott D. White 1996-5-27 4073 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA0010924  Castilleja lasiorhyncha Anstruther Davidson s.n. Riverside Strawberry Valley Comment
  RSA0010955  Castilleja miniata subsp. miniata Mary F. Spencer 1922-6-26 1977 Riverside Idyllwild. San Jacinto Mts. 1707 Comment
  SD107164  Castilleja minor subsp. spiralis Barbara Ertter, J. Strachan 1979-6-26 2974 Riverside Kenworthy Forest Station on Rt 74 in Garner Valley, San Jacinto Mtsflat bordering large wash 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
  UCR998  Castilleja minor subsp. spiralis J. E. Dimitman 1957-5-18 s.n. Riverside San jacinto Mtns., Bautista Canyon 610 Comment
  CAS-BOT-BC38297  Caulanthus cooperi Annie M. Alexander; Louise Kellogg 1941-5-19 2202 Riverside Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  RSA531107  Caulanthus cooperi M. B. Dunkle 1937-3-25 4956 Riverside East of Indio, Colorado Desert. Comment
  UC64881  Caulanthus simulans H. M. Hall Apr. 1902 2908 Riverside vicinity Winchester; vicinity of Winchester Comment
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Mar 20 2011
  RSA501020  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3139 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA570225  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7894 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA570229  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7903 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA570245  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7899 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UCR265822  Ceanothus crassifolius Mitch Provance 2012-5-24 512- 03 B 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
  SBBG119525  Ceanothus crassifolius var. crassifolius A. C. Sanders 2004-2-6 27387 Riverside foothills at edge of Temescal Valley, ridge S of Brown Cyn 442 Comment
  RSA500225  Ceanothus greggii var. perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3251 Riverside Anza Valley, along Hwy 371, 0.5 mi S of jtn with Hwy 74. Comment
  RSA77718  Ceanothus greggii var. perplexans F. W. Peirson 1922-5-20 735 Riverside Hemet Valley, San Jacinto Mountains 1448 Comment
  LA43601  Ceanothus integerrimus Carl Epling; William Robison 1935-7-30 sn Riverside north fork San Jacinto River Comment
  SBBG34965  Ceanothus leucodermis T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns 1463 Comment
  UC1070823  Ceanothus leucodermis A. Lewis 1934-5-1 445 Riverside Ortega Hwy Elsinore quad., Cleveland National Forest 609 Comment
  CAS-BOT-BC32700  Ceanothus ophiochilus Steve Boyd; T. Ross; Laurel Arnseth 1989-3-19 3020 Riverside Vail Lake area, 1 mi W of lake. 639 Comment
  NY406543  Ceanothus ophiochilus S. D. Boyd 1989-3-19 3020 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA517098  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi. W of Lake. Comment
  UCR68477  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2960 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  SBBG34228  Ceanothus perplexans T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR26625  Ceanothus tomentosus E. W. Lathrop 1966-3-23 6078 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 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
  RSA552753  Ceanothus tomentosus var. olivaceus Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6739 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  UCR207552  Celtis australis O. F. Clarke 2003-10-6 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR campus 366 Comment
  RSA596622  Cenchrus longispinus L. C. Wheeler 1947-8-27 6602 Riverside 3 miles west of Beaumont. Comment
  CDA7294  Centaurea X pouzinii F. J. Willmarth 1961-10-18 Riverside Old Fuller Rancho, near Corona. 0 Comment
  UCR114951  Centaurea solstitialis D. E. Bramlet 1999-6-22 2813 Riverside San Jacinto Wildlife Area. 396m west of Davis Road and 152m south of the well maintenance road, 854m southwest of the reserve headquarters. 433 Comment
  UC921121  Centaurium venustum A. W. Stevens 1945-6-30 Riverside Ribbonwood, on Palms to Pines Highway San Jacinto Mts. 1219 Comment
  UCR174448  Centaurium venustum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32505 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
  RSA689429  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -247 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  OBI37521  Centromadia pungens subsp. pungens Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  CHSC26365  Centrostegia thurberi James Henrickson 1971-5-29 5573 Riverside 15 mi. SW of Twentynine Palms, 2 1/2 mi. N. of Salton View in Joshua Tree Nat'l Monument. 1280 Comment
  UCR265602  Cerastium glomeratum Jordan Zylstra 2014-3-18 14003 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA85475  Cerastium glomeratum J. C. Roos 1952-4-16 5556 Riverside Pigeon Pass, Box Springs Mountains 457 Comment
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May 21 2011
  RSA405368  Cercidium floridum R. S. Woglum 1937-4-24 297 A Riverside Palm Springs. Comment
  CLARK-A1528-3061  Cercocarpus betuloides John C. Roos 1948-5-15 3854 Riverside Eagle Mountains Comment
  CSUSB1862  Cercocarpus betuloides A. H. Wheeler 1974-7-22 Riverside San Jacinto Mountains Palms To Pines Highway- Juniper Flats 1219 Comment
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Dec 4 2011
  UCR187470  Cercocarpus betuloides Diane Menuz, Carlos Navarro, Andrea Salzman 2006-3-24 018 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, Cleveland National Forest, next to fenced off radio towers 1069 Comment
  UC1127909  Cercocarpus ledifolius var. ledifolius R. St. John 1929-5-19 27 Riverside Tahquitz Peak 2682 Comment
  SEINET1782974  Cereus munzii Philip A. Munz 1922-5-21 5570 Riverside San Jacinto Mountains: Hemet Valley: 2 mi NW of Kenworthy. [County not given on label.] 1418 Comment
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Feb 22 2014
  POM13455  Chaenactis artemisiifolia Philip A. Munz 1922-5-19 5353 Riverside 5 miles NE of Murietta. 457 Comment
  RSA0122703  Chaenactis carphoclinia Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9061 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
  SEINET3005068  Chaenactis carphoclinia G. Rink 2011-5-1 10506 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR256344  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  RSA0118597  Chaenactis carphoclinia var. carphoclinia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7643 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA703747  Chaenactis carphoclinia var. carphoclinia LeRoy Gross 2005-3-3 1571 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR41555  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6110 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  JEPS9002  Chaenactis fremontii Dr. L. M. Newlon 1922-1-1 424 Riverside 6 mi w of Indian Wells Comment
  RSA760821  Chaenactis fremontii Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 108 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UC1595794  Chaenactis fremontii W. Wisura, A. King, and L. Newcomb 1992-4-10 4664 Riverside w of Hwy 62 (below Morongo Valley, Mission Creek Ranch) Comment
  UC494551  Chaenactis fremontii Philip A. Munz 1932-3-14 11979 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  UC566687  Chaenactis fremontii H. L. Mason 1928-3-11 4328 Riverside near Indio Comment
  UCR240990  Chaenactis fremontii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 57 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR41227  Chaenactis fremontii N. M. Fellows, A. C. Sanders 1985-4-9 131 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
  UCSB49254  Chaenactis fremontii Hibbard, Doug 1977-5-16 Riverside Off NW side of Hwy. 74, 11.8 mi. from intersection with Hwy. 111 1036 Comment
  POM11996  Chaenactis glabriuscula var. glabriuscula Mary F. Spencer 1921-6-16 343 Riverside Wayside in Banning 701 Comment
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Mar 13 2011
  RSA27591  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA500072  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3239 b Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA781397  Chaenactis stevioides Duncan S. Bell 2010-5-1 913 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  UCD130429  Chaenactis stevioides William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR103591  Chaenactis stevioides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2722 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR237515  Chaenactis stevioides Amber Swanson 2011-4-8 381 Riverside Southcentral Mojave Desert, Granite Mountains area east of Hwy 177 near junction 62 423 Comment
  POM351836  Chaenactis stevioides var. stevioides L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA27502  Chaenactis stevioides var. stevioides I. L. Wiggins 1941-3-27 9683 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  JOTR35021  Chamaesyce abramsiana La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3119 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JEPS51882  Chamaesyce albomarginata W. L. Jepson 1901-5-17 1209 Riverside mesas e Riverside 266 Comment
  SEINET9321196  Chamaesyce albomarginata Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  RSA594118  Chamaesyce polycarpa D. L. Banks 1996-4-8 0867 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW of the Cleveland National Forest and Agua Tibia Wilderness Area, NW Dorland Mountain Area, U.C. Emerson Preserve, S end of Los Caballos Road., Approximately 50 m inside the preserve boundary gate, 10 m NW of the main roads intersection with a small trailing heading to the W. 448 Comment
  RSA680924  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-5-14 9280 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC1537002  Chamaesyce polycarpa Gordon H. True Jr. 1935-2-20 6 Riverside Box Springs Sycamore Canyon Comment
  UCSB50318  Chamaesyce setiloba Haller, John 1983-3-26 Riverside West side of Cottonwood Spring Road at southern boundary of Joshua Tree National Monument, 1 mile north of Interstate 10 304 Comment
  RSA660498  Cheilanthes clevelandii A. C. Sanders, Mitch Provance 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  CAS-BOT-BC70030  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacinto Mts. 15 Comment
  SFV13136  Cheilanthes covillei M. J. Thor 1982-9-17 147 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UC1511338  Cheilanthes covillei Robert F. Thorne, Avi Shmida, and Robert Whittaker 1978-4-23 52069 Riverside Palms to Pines Hwy Comment
  RSA523539  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3999 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA690939  Cheilanthes newberryi Scott D. White, Michael Honer 2003-5-27 9397 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak e2349.' 396 Comment
  RSA718776  Cheilanthes parryi Michael Honer, L. Hulse 2004-4-3 1925 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  UC812278  Cheilanthes parryi Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 304 Comment
  UCR226998  Cheilanthes parryi Jim Andre 2011-2-2 16219 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
  RSA125851  Cheilanthes viscida E. K. Balls, Percy C. Everett 1957-11-13 22798 Riverside Snow Creek, about old Fish Hatchery 701 Comment
  UCR119827  Chenopodium Mitch Provance 1998-6-11 642 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR174428  Chenopodium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32476 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR193752  Chenopodium A. C. Sanders, Mitch Provance 2008-7-11 35755 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
  CLARK-A1528-5122  Chenopodium ambrosioides var. anthelminticum John C. Roos 1965-8-4 Riverside Comment
  UCR278837  Chenopodium berlandieri Mitch Provance 2012-7-17 712- 14 Riverside San Gorgonio Pass, City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
  UCR271709  Chenopodium berlandieri var. zschackei Mitch Provance 2011-7-4 17177 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA0104482  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR266459  Chenopodium missouriense Mitch Provance 2012-11-9 612 51 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  RSA570752  Chenopodium murale Steve Boyd, Timothy S. Ross, J. T. Columbus 1993-10-23 8201 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  UCR112475  Chenopodium pratericola A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR178539  Chilopsis linearis R. G. Swinney 1967-5-26 146 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCSB56453  Chilopsis linearis Fulton, Michelle 1986-3-9 Riverside Box Canyon, 5 mi. NE of Mecca 60 Comment
  OBI37461  Chilopsis linearis subsp. arcuata G. Helmkamp 1985-5-9 455 Riverside S of Morongo Valley; Big Morongo Preserve; 1/2 mi from the Coachella Valley 503 Comment
  RSA0117616  Chilopsis linearis subsp. arcuata Sarah J. J. De Groot 2005-5-16 4969 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  SD234238  Chloris virgata R. E. Riefner 2006-9-19 6 447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek (Temecula 7.5' Q) 301 Comment
  RSA457766  Chorizanthe brevicornu Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2129 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA692202  Chorizanthe brevicornu Scott D. White, Michael Honer 2003-5-14 9287 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG1392  Chorizanthe brevicornu var. brevicornu D. Myrick 1964-4-30 836 Riverside Palms to Pines Hwy 74, 8 mi W of Palm Desert 1066 Comment
  SBBG1394  Chorizanthe brevicornu var. brevicornu C. H. Muller 1952-4-6 9504 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UCR59536  Chorizanthe coriacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3237 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  RSA392655  Chorizanthe corrugata Christopher Davidson 1979-4-4 7695 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA517910  Chorizanthe corrugata Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1315 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCR167204  Chorizanthe corrugata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR29817  Chorizanthe corrugata George K. Helmkamp 1983-3-24 383- 8 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  CLARK-A1528-728  Chorizanthe fimbriata Robert Eaton 1968-5-13 680513-7 Riverside Sandia Canyon Comment
  SBBG89136  Chorizanthe fimbriata L. F. LaPre 1988-6-2 Riverside Indian Truck Trail S end of wash which crosses unser de Palma Rd ( frontage rd to Interstate-15) near Glen Eden Resort 365 Comment
  CAS-BOT-BC191308  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  CAS-BOT-BC191343  Chorizanthe leptotheca Chris E. True; Robert Cox 1989-4-29 10150 Riverside San Jacinto Mtns.Foothills: along Hwy 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles E of Fairview Ave., N of highway and S of San Jacinto River, near mouth of Bee Canyon 610 Comment
  CAS-BOT-BC460911  Chorizanthe leptotheca H. M. Hall 1901-7-1 2255 Riverside San Jacinto Mountains: Fuller's Mills Mountains, west end 1584 Comment
  UCR144413  Chorizanthe parryi var. parryi Scott D. White 2001-4-19 8380 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  UCR245440  Chorizanthe polygonoides var. longispina Elizabeth A. Kempton, Eric Paul 2008-4-7 546 Riverside town of Lake Elsinore, Elsinore Peak, just SSW of antennas, near closed road, South Main Divide Road 1090 Comment
  UCR30160  Chorizanthe rigida A. C. Sanders 1983-4-24 3802 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  RSA601162  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. 884 Comment
  RSA732300  Chrysothamnus nauseosus M. D. Schwartz 2000-5-20 24 -2 Riverside San Jacinto Mts, jct of Two Pines Rd. and Rt 243 1200 Comment
  RSA450415  Chrysothamnus paniculatus J. C. Roos 1965-11-6 s.n. Riverside Whitewater. 305 Comment
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Jan 14 2010
  RSA93244  Chrysothamnus paniculatus F. W. Peirson 1922-12-26 3331 Riverside Whitewater Grade, near Cabazon Comment
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Mar 13 2011
  SBBG5097  Chylismia brevipes K. K. Muller 1958-3-22 909 Riverside hills opposite S entrance to Joshua Tree Nat Monument, 2 mi S of Hwy Comment
  SD21522  Chylismia brevipes subsp. brevipes Frank F. Gander 1938-5-21 5765 Riverside Shaver's Summit. Comment
  UCR269838  Chylismia claviformis A. C. Sanders, Jim Malusa 2016-3-18 42380 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CAS-BOT-BC160620  Chylismia claviformis subsp. aurantiaca Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  SD3349  Chylismia claviformis subsp. aurantiaca Ruth B. Randall 1922-4-2 218 Riverside Painted Canyon. Comment
  UCSB12722  Chylismia claviformis subsp. aurantiaca Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon; near Los Angeles Aqueduct Road; Colorado Desert Comment
  RSA0123701  Cirsium neomexicanum Duncan S. Bell, Thomas Stoughton 2016-4-12 9235 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  SEINET2050009 Image available Cirsium occidentale var. californicum A. C. Sanders, B. Pitzer 1987-4-21 7048 Riverside Box Springs Mountains, near southernmost radio towers. Riverside East 7.5' Quad 793 Comment
  SD229079  Cirsium vulgare Dick Schwenkmeyer 2012-8-27 803 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  CAS-BOT-BC438863  Cistanthe monandra Elizabeth McClintock 1958-4-3 s.n. Riverside Near southern entrance to Joshua Tree National Monument Comment
  POM12974  Cistanthe monandra P. A. Munz, I. M. Johnston 1922-5-21 5516 Riverside 1/2 mile above Keen Camp, San Jacinto Mountains 1524 Comment
  RSA613328  Cistanthe monandra D. L. Banks 1997-3-6 1392 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
  POM12750  Cistanthe monosperma P. A. Munz 1922-7-6 6003 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR1639  Clarkia dudleyana R. G. Barber 1962-5-12 98 Riverside Box Springs Mtns., top of Box Spring Mountain, near (south of) the main gorge [Big Springs Canyon] on the W side of the mountain 915 Comment
  UCR241198  Clarkia rhomboidea Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 258 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  CLARK-A1045-291  Clarkia similis George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains at State Highway 74; chaparral; ; Hemet 15'Q 609 Comment
  UCR174072  Claytonia parviflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32586 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
  CAS-BOT-BC439711  Claytonia parviflora subsp. viridis Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3943 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. Saddle between summits, N slope along rd heading N to Black Hills. 792 Comment
  RSA689500  Claytonia perfoliata Scott D. White 2001-4-19 8368 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
  SEINET10675007  Claytonia perfoliata subsp. perfoliata Greg Gust, Leith Nye 2005-3-12 Gust 556 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  UCR35072  Claytonia perfoliata subsp. perfoliata L. B. Ziegler 1969-5-15 357 Riverside San Jacinto Mtns., Hemet Valley 1418 Comment
  RSA585634  Clematis lasiantha D. L. Banks, S. D. Boyd 1995-3-15 69 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 762 Comment
  UCR93822  Cnicus benedictus P. J. MacKay 1996-6-15 006 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  OBI29874  Collinsia concolor Melissa Luckow, Rhonda Riggins 1982-4-15 827 Riverside hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  SEINET156035  Collinsia concolor Norman C. Cooper 1944-5-20 1290 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1372 Comment
  UCR48510  Collinsia heterophylla Steve Boyd 1986-4-2 1616 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  HSC100006  Colubrina californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-4-18 12781 Riverside On rocky slope among granite boulders. 355 Comment
  CAS-BOT-BC334451  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  SBBG104075  Condea emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12113 Riverside within 0.5 mi of McCoy Spring; slopes below and to the south and cyn bottom 243 Comment
  UCR175216  Convolvulus arvensis Teresa Nieto 2005-4-24 14 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SEINET998506  Convolvulus simulans John F. Green 2006-1 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road (Murrieta 7.5' Q) 402 Comment
  UCR110416  Conyza coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  JEPS64319  Corallorhiza maculata Carl V. Meyer 1928-6-14 450 Riverside Fern Valley San Jacinto Mts. 1828 Comment
  RSA0010995  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1634 Riverside San Bernardino National Forest: Garner Valley, approximately 1.9 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1376 Comment
  RSA80553  Cordylanthus rigidus subsp. setiger Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17282 Riverside 3 mi. W. of jct with road south from Idyllwild along Hwy 74. 1067 Comment
  UC162747  Cordylanthus rigidus subsp. setiger H. M. Hall Aug. 1897 Riverside San Jacinto Mts. Comment
  UCR5796  Cordylanthus rigidus subsp. setiger O. F. Clarke 1966-10-5 661005- 35 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  UC1292297  Coreopsis californica var. californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23091 Riverside 3 mi se Glen Ivy Hot Springs Comment
  SD152944  Corethrogyne filaginifolia Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7665 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  SJSU13579  Corethrogyne filaginifolia C. W. Sharsmith 1945-8-28 5452 Riverside Indian Canyon Cr, Mt San Jacinto 1828 Comment
  UC31266  Corethrogyne filaginifolia H. M. Hall 1901-7-26 2530 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  POM13094  Coryphantha alversonii P. A. Munz 1922-4-12 5014 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  HSC6503  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  UCR153366  Crassula connata LeRoy Gross, Valerie Soza 2003-5-8 830 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR280823  Cressa truxillensis T. B. Salvato, Gregg Miller 2005-6-3 1367 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UC495323  Crossosoma bigelovii P. A. Munz 1932-4-24 12398 Riverside Snow Creek Canyon San Jacinto Mts. 457 Comment
  UCR245867  Crossosoma bigelovii R. F. Thorne 1995-3-29 63008 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  POM293088  Croton californicus Lyman Benson 1946-4-15 12021 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
Read comments
Jun 10 2008
  SBBG67674  Croton californicus M. N. Ackley 1928-4-4 341 Riverside near Edom 64 Comment
  UCR169922  Croton californicus Scott D. White, Jennifer H. Jones 2005-4-21 10948 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR237489  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Mojave Desert, Coachella Valey area, Edom Hill, along Edom Hill Road near dump, 0.6 road mi from junction with Varner Road 259 Comment
  CLARK-A1528-2689  Croton californicus var. tenuis John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  UCR155303  Croton setiger A. C. Sanders 2005-5-4 29840 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR230192  Cryptantha A. C. Sanders 2011-4-6 38992 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
  UCR234326  Cryptantha A. C. Sanders, John F. Green 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona 319 Comment
  UCR261483  Cryptantha A. C. Sanders, Katie Young, John Hale 2015-4-22 41588 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  JEPS67463  Cryptantha angustifolia W. L. Jepson 1927-4-12 11636 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  POM14354  Cryptantha angustifolia P. A. Munz, D. D. Keck 1922-4-9 4763 Riverside Shavers Well, near Mecca. 76 Comment
  SBBG104634  Cryptantha angustifolia T. Glenn 1991-5-2 91 -32 Riverside McCoy Mtns, NW of Blythe; T4S, R20E, S32 350 Comment
  UCR103330  Cryptantha angustifolia George K. Helmkamp 1998-2-5 2635 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR245251  Cryptantha angustifolia Jim Andre 2012-3-19 21300 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCR182321  Cryptantha barbigera Mitch Provance 2003-4-18 6604 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  UCR251341  Cryptantha barbigera S. J. Myers 2014-5-21 1055 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR18173  Cryptantha barbigera var. fergusoniae A. C. Sanders 1978-4-2 00178 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR140302  Cryptantha corollata A. C. Sanders 2004-4-9 27455 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR214565  Cryptantha costata A. C. Sanders 2010-3-15 37407 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
  RSA699333  Cryptantha decipiens J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  SBBG35066  Cryptantha decipiens T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCSB12608  Cryptantha decipiens Dearing, Hugh; Dearing, Margaret 1942-3-5 Riverside Bajada wahes near Cathedral City Comment
  UC2015554  Cryptantha dumetorum A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15999 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
  GMDRC5516  Cryptantha inaequata J. Andre 2012-3-19 21382 Riverside Palen Mountains: along Palen Pass Rd at Palen Pass 383 Comment
  CLARK-A1528-2216  Cryptantha intermedia John C. Roos 1950-4-22 4746 Riverside Pigeon Pass 457 Comment
  POM293650  Cryptantha intermedia Lyman Benson 1946-4-15 12027 Riverside 2 miles east of Banning, Colorado Desert 609 Comment
  RSA771784  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4577 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET3084404 Image available Cryptantha intermedia Clifford Kishi 1972-5-14 720514 -35 Riverside San Jacinto Mts, 1 mile from Lake Hemet Reservoir along Herkey Canyon Rd. 610 Comment
  UCD119858  Cryptantha intermedia R. N. Raynor 1938-6-20 s.n. Riverside Pines to Palms Highway, between Hemet and Idyllwild. Comment
  UCR16167  Cryptantha intermedia Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  UCR226053  Cryptantha intermedia A. C. Sanders, Nathan Moorhatch 2011-3-22 38770 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  POM9601  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  RSA0075622  Cryptantha intermedia var. johnstonii Valerie Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1082 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 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
  JOTR30316  Cryptantha maritima La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1750 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  RSA0014315  Cryptantha maritima Justin M. Wood, J. Miner 2010-4-30 1549 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA617205  Cryptantha maritima L. C. Wheeler 1953-3-31 7038 -b Riverside North slope at foot of limestone face which concentrated water by its runoff. Comment
  SBBG81675  Cryptantha maritima S. A. Junak 1983-3-24 1660 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  UCR38137  Cryptantha maritima J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  CLARK-A1528-2223  Cryptantha micrantha John C. Roos 1949-4-11 4239 Riverside Chuckwalla Mountains Comment
  UC218109  Cryptantha micrantha P. A. Munz 1922-6-27 5839 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  POM13001  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1921-5-19 5421 Riverside Keen Camp, San Jacinto Mtns. 1524 Comment
  RSA683870  Cryptantha microstachys Scott D. White, Michael Honer 2003-4-4 8958 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR165406  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  POM368266  Cryptantha muricata Lester H. Cushman 1933-4-20 s.n. Riverside Corona 274 Comment
  UCR167792  Cryptantha muricata T. B. Salvato, Gregg Miller 2005-6-3 1382 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UC64412  Cryptantha oxygona H. M. Hall May 1899 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  RSA0123760  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-9 8864 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  UCR18153A  Cryptantha pterocarya var. cycloptera A. C. Sanders 1979-3-9 947 A Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns, Deep Canyon Reserve south of Palm Desert. In the gorge of Deep Canyon above the Research Center - near bucket #24 366 Comment
  SDSU20929  Cryptantha pterocarya var. stenoloba J. M. Andre 2013-3-27 24800 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. South of Rice (Hwy 62). Elev: 793 ft. NAD83 N34 03.191' W114 51.788' 7.5' Quad: Rice. 242 Comment
  RSA18946  Cryptantha racemosa Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9575 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UC604894  Cryptantha racemosa Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9575 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  UC180109  Cryptantha utahensis Charlotte M. Wilder 1907-4-9 870 Riverside from Palm to Murray Canyon (below junction of washes); Colorado Desert Comment
  UCR9570  Cryptantha utahensis Bonner Blong 1966-1 s.n. Riverside Santa Rosa Mtns, Carrizo Creek Comment
  CAS-BOT-BC224403  Cuscuta californica No date on label s.n. Riverside Strawberry Valley Comment
  RSA71010  Cuscuta californica F. W. Peirson 1921-4-13 2399 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 152 Comment
  RSA614688  Cuscuta ceanothi A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15792 Riverside (N slope): nameless tributary of Azalea Creek, Twin Pines Creek drainage. 1192 Comment
  SBBG38007  Cuscuta denticulata A. C. Sanders with G. Nuhn 1995-4-20 16587 Riverside near Fan Hill, NE of Dillon Rd on an abandoned rd, below Little San Bernardino Mtns, NE of 1000 Palms 350 Comment
  SD255710  Cuscuta salina D. E. Bramlet 2009-5-27 4389 Riverside Perris-Aguanga Basin Region: upper Salt Creek, west of Hemet Ryan Airport., ca. 450 m west of Warren Rd. and 990 m sotuy of Florida Ave., 490 m east of the San Diego canal. 455 Comment
  CLARK-A1528-410  Cycloloma atriplicifolium Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  JOTR31921  Cylindropuntia bigelovii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2163 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road Comment
  RSA0034402  Cylindropuntia chuckwallensis Michelle Cloud-Hughes 2013-3-17 087 Riverside Corn Springs, north side of Chuckwalla Mountains, 12 km SSE of Desert Center, 85km east of Indio, 67km west Blythe. 500 Comment
  SEINET5624461 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  SD191510  Cylindropuntia prolifera John F. Green 2006-5-2 Riverside Peninsular Ranges: unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd., and Borel Rd., east of Murrieta Hot Springs. 420 Comment
  UCR207810  Cyperus esculentus O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  RSA736649  Cyperus odoratus Justin M. Wood 2008-7-16 37 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR113586  Cyperus odoratus A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23680 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
  POM14018  Dalea mollis P. A. Munz 1922-4-8 4738 Riverside Mecca, Colorado desert. -30 Comment
  UC724223  Dalea mollis Aven and Ruth Nelson 1939-3-29 3309 Riverside between Mecca and Hidden Springs Comment
  POM306695  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1687 Riverside Near Desert Center-Indio. Comment
  POM310161  Dalea mollissima Hulda Crooks 1946-3-2 269 Riverside Palm Springs area. 139 Comment
  RSA129647  Dasyochloa pulchella H. S. Yates 1937-6-27 6724 Riverside Head of Deep Canyon. 1220 Comment
  UCR281018  Dasyochloa pulchella Fred M. Roberts 2016-3-5 8004 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA192165  Datisca glomerata E. W. Lathrop 1966-6-1 6364 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  CLARK-A1528-899  Datura meteloides Ken F. Clarke 1971-8-11 Riverside Riverside Comment
  UCR199633  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA192215  Daucus pusillus E. W. Lathrop 1965-4-26 5684 -b Riverside 4 miles southwest of Murrieta. Comment
  UCR104945  Daucus pusillus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20684 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  SBBG118904  Deinandra mohavensis M. Wall with C. and D. Whiting 2005-8-6 402 Riverside SE Hemet, Santa Rosa Hills, Simpson Park; T5S R1E S30 SW/4 Comment
  UCR19802  Deinandra mohavensis W. W. Mayhew 1977-10-2 s.n. Riverside San Jacinto Mtns, Hwy 243, 1 mi SE of Poppet Flat Road 1372 Comment
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Jan 8 2013
  CAS-BOT-BC292007  Deinandra paniculata John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA759101  Deinandra paniculata Robt Allen, Linnell R. Allen 2008-7-27 s.n. Riverside South Main Divide Road, 4.7 road mi. SE of junction with Ortega Hwy (SR74). Just S of the gated entrances to Rancho Capistrano housing developments. 938 Comment
  UC1746485  Deinandra paniculata A. C. Sanders with S. D. Boyd, Mitch Provance, and J. Ross 22297 Riverside 5.5 mi W of Bautista Rd. on Hwy 371 Cahuilla Valley; Anza Area; NW 1/4 section 8 1052 Comment
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May 29 2012
  UC50192  Deinandra paniculata H. M. Hall May 17 1901-Jun 1 1901 1801 Riverside San Jacinto Mtns. Comment
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Oct 29 2011
  RSA0019620  Delphinium parishii subsp. parishii N. C. Cooper 1944-4-8 1069 Riverside Andreas Canyon. 457 Comment
  RSA0020481  Delphinium parishii subsp. parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Colorado Desert. 366 Comment
  SBBG34969  Delphinium parishii subsp. subglobosum T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  POM305417  Delphinium parryi Henry J. Ramsey, Henry J. Ramsey 1938-5-4 636 Riverside Elsinore Comment
  LA45841  Dendromecon rigida Norman C. Cooper; 1944-6-17 1414 Riverside San Jacinto Mountains, above Banning 1219 Comment
  RSA0036467  Dendromecon rigida J. M. Andre 2012-6-15 30506 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  SD137697  Dendromecon rigida Darin L. Banks, Steve Boyd 1995-5-3 197 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA785187  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  CAS-BOT-BC43131  Descurainia pinnata subsp. brachycarpa Munz; Street; Williams 1919-3-25 2305 Riverside Palm Canyon. Colorado Desert. 228 Comment
  POM369392  Descurainia pinnata subsp. glabra N. C. Cooper 1944-5-20 1235 Riverside Pinon Flats, Palms to Pines Hwy. 1220 Comment
  POM369420  Descurainia pinnata subsp. menziesii M. B. Dunkle 1933-3-3 3023 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
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Mar 20 2011
  RSA0013031  Descurainia sophia LeRoy Gross, Caitlin Elam 2013-5-14 6050 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
  UCR136256  Dichelostemma capitatum A. C. Sanders 2004-4-20 27565 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
  UCR201709  Dichelostemma capitatum Scott D. White, Justin M. Wood 2008-6-19 12269 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  IRVC14695  Dichelostemma capitatum subsp. capitatum Victoria Sork 1973-4-5 s.n. Riverside Elsinore; 1.5 mi. N, 0.5 mi. W of intersection of Hwys 74 and 71. Comment
  RSA652656  Dichelostemma capitatum subsp. pauciflorum W. M. Zabriskie 1973-3-21 140 Riverside Beeseep Canyon, Deep Canyon drainage, N slope Santa Rosa Mtns. 304 Comment
  POM184344  Dicoria canescens Thos. Craig 1932-1-10 1794 Riverside In Wash, Cathedral Canyon, Colorado Desert. 122 Comment
  UCR214871  Dicoria canescens A. C. Sanders 2010-3-15 37402 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
  UC1494274  Dieteria canescens var. ziegleri J. C. Roos 1946-8-27 2920 Riverside Santa Rosa Mountain 2407 Comment
  UCR207344  Digitaria sanguinalis O. F. Clarke 2004-5-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SD129179  Dinebra panicea var. brachiata G. Helmkamp 1989-9-16 Riverside Ca. I(c) mi. S of Hwy I-8 W of Blythe, in disturbed soil beside alfalfa field at Seely Road and state hwy 78. 74 Comment
  RSA0019407  Diplacus fremontii Mary F. Spencer 1922-6-15 375 Riverside Prope [near] Idyllwild, San Jacinto Mt. Comment
  CAS-BOT-BC150673  Diplacus longiflorus P. C. Everett 1945-6-27 11503 Riverside Santa Ana Mts., Indian Canyon, Indian Canyon Truck Trail 609 Comment
  RSA0018417  Diplacus longiflorus var. calycinus D. C. Michener 1980-5-29 3633 Riverside Cave Springs. Comment
  RSA567658  Ditaxis lanceolata A. C. Sanders, E. J. Lawlor 1992-4-4 12108 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCSB3580  Ditaxis lanceolata Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junction of U.S. 60-70 and the south entrance road to Joshua Tree National Monument 487 Comment
  SEINET3350031  Ditaxis neomexicana Stephen Hale 2012-1 4814 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe. 1850 Comment
  UC2026387  Ditaxis neomexicana Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10065 Riverside COLORADO-MOJAVE DESERT TRANSITION, LITTLE MARIA MOUNTAINS: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. Comment
  UCD142317  Ditaxis serrata Robert F. Thorne; Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54018 Riverside San Bernardino Mts.; at mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 414 Comment
  CAS-BOT-BC43642  Dithyrea californica H. M. Hall 1905-4-15 5772 Riverside Colorado Desert. Indian Well. 0 Comment
  SD38011  Dithyrea californica Edith A. Purer 1935-4-21 6488 Riverside Near Palm Springs, western Colorado Desert (mak 6/07) Comment
  POM305364  Dodecatheon clevelandii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 654 Riverside Between Corona and Elsinore. Comment
  JEPS108466  Downingia bella Lisa Schultheis 1995-5-9 146 -95 Riverside Santa Rosa Plateau Preserve. Vernal Pool Trail, off of Via Volcano. Comment
  RSA336206  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51992 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SD73462  Downingia cuspidata E. W. Lathrop Unknown 7100 Riverside 6.0 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau. Comment
  UC64315  Downingia cuspidata Miss Etta McEuen 1897-4-19 484 Riverside Menifee Comment
  UC64193  Draba cuneifolia H. M. Hall 1897-2-27 366 Riverside Rawson 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
  POM19610  Drymocallis glandulosa var. viscida Mary F. Spencer 1923-6-2 2173 Riverside Idyllwild. Comment
  IRVC143  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  UCR92329  Dryopteris arguta Scott D. White, M. D. Wilcox 1995-7-11 3468 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  SD255020  Dryopteris arguta R. F. Thorne, E. W. Lathrop 1977-5-18 49758 Riverside Santa Ana Mountains: Bera Spring (East slope of Santiage Peak) Comment
  RSA0015684  Dudleya Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6042 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 2.75 air miles west of Corn Springs and about 0.25 air mile southeast of Aztec Well. 609 Comment
  SDSU5784  Dudleya edulis James C. Dice, J. DeWald 1987-10-5 731 Riverside Temecula Gorge, south side of aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 259 Comment
  UC284998  Dudleya edulis P. A. Munz 1923-6-18 7130 Riverside Temecula Canyon Comment
  UCR174380  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32628 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
  UC1951166  Dudleya pulverulenta Scott D. White, Justin Wood 2009-5-22 12930 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  CAS-BOT-BC109614  Dudleya saxosa subsp. aloides P. A. Munz; P. C. Everett 1952-5-2 16233 Riverside Dry Morongo Wash, northwest end of Coachella Valley. 457 Comment
  JOTR33935  Dudleya saxosa subsp. aloides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2825 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA397790  Dudleya saxosa subsp. aloides A. C. Life 1925-4-10 s.n. Riverside Desert beyond Banning Comment
  UCR213762  Dudleya saxosa subsp. aloides Scott D. White, Justin M. Wood 2009-4-28 12607 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  RSA0125621  Echinocereus engelmannii var. engelmannii G. Ross Robertson s.n. Riverside Palm Springs, Colorado Desert. Comment
  POM313161  Echinochloa colona Malcolm A. Nobs, S. Galen Smith 1948-9-3 488 Riverside Palm Springs. Comment
  CAS-BOT-BC197075  Echinochloa crus-galli S. B. Parish 1913-9-20 8618 Riverside Mecca, Salton Sink 57 Comment
  JOTR35167  Echinochloa crus-galli La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3271 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
  UC1131531  Echinochloa crus-galli H. S. Yates 1937-6-28 6743 Riverside near Indio; Thermal Quad. Comment
  UCR92350  Echinochloa crus-galli Scott D. White, S. Ogg 1994-10-17 2468 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  IRVC26899  Echinodorus berteroi S. B. Parish 1891-11-3 2246 Riverside Elsinore Lake 381 Comment
  UCR119433  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23091 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UC1531137  Elatine californica Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51987 Riverside Mesa del Colorado Santa Rosa Plateau Comment
  UC1754  Eleocharis acicularis H. M. Hall Jul 1 1901-Aug 1 1901 2495 Riverside Lake Surprise San Jacinto Mountains (shores) 2499 Comment
  UC838792  Eleocharis bella Philip A. Munz 1922-5-20 5472 Riverside Kenworthy San Jacinto Mountains 1432 Comment
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Mar 25 2011
  CAS-BOT-BC112732  Eleocharis geniculata Samuel B. Parish 1882-4-1 1160 Riverside Agua Caliente (Palm Springs) Comment
  CAS-BOT-BC112740  Eleocharis geniculata Lewis Samuel Rose 1935-12-27 35704 Riverside Palm Canyon, Colorado Desert. 304 Comment
  UC1254604  Eleocharis macrostachya James E. Cole 1941-5-27 811 Riverside Barker Dam Joshua Tree National Monument Comment
  UCR130512  Eleocharis obtusa var. engelmannii R. E. Riefner Jr. 2001-12-16 01- 775 Riverside Perris-Aguanga Region, Paloma Valley; near Antelope Rd. and Garboni Rd. 450 Comment
  RSA714377  Eleocharis parishii T. B. Salvato, John Green 2004-5-27 605 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
  UCD61494  Elymus elymoides Peter Kamb 1948-7-4 1156 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR133392  Elymus glaucus Tracy Tennant, T. B. Salvato 1998-6-23 481 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR90588  Elymus glaucus subsp. virescens Scott D. White 1995-6-29 3389 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UCR2376  Elymus triticoides F. M. Reed 1926-5-20 5372 Riverside Santa Ana Mtns., Santa Rosa Plateau, akaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, c. 7 mi. due west of Temecula] 625 Comment
  RSA221007  Emmenanthe penduliflora E. W. Lathrop 1966-3-23 6081 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  RSA49178  Emmenanthe penduliflora P. A. Munz 1949-4-13 13055 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  SEINET12279715  Emmenanthe penduliflora J. Bright, Wyman, C. 1933-1 8080 Riverside between Radio and Palm Springs Comment
  SBBG29830  Emmenanthe penduliflora var. penduliflora E. Braunton -Mar-1940 2033 Riverside Berdoo Cyn Comment
  POM356675  Encelia actoni Norman C. Cooper 1944-5-6 1195 Riverside Banning. 701 Comment
  UCSB12291  Encelia californica Tarwater, Shirley 1961-3-30 Riverside 5 miles from Highway 71, on Lake Matthews Rd. 152 Comment
  CAS-BOT-BC131343  Encelia farinosa Geo. B. Grant 1906-4-20 6720 Riverside Palm Springs Comment
  JOTR35377  Encelia farinosa Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 166 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA0105079  Encelia farinosa Daphne K. Christopher, Hannah Stevens 2003-4-6 102 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  SEINET2050573 Image available Encelia farinosa B. Pitzer 1998-1-24 3398 Riverside N. foot of Chuckwalla Mountains, Eagle Mountain Rd., S of powerline rd, & wash directly S. of rd. Lost Pony Mine. 500 Comment
  UCD20082  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -216 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCD20084  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -214 Riverside 4.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  SEINET11859836  Encelia farinosa Unknown 1936-4-21 12748 Riverside Colorado Desert N of Palm Springs Comment
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Oct 7 2017
  POM356679  Encelia farinosa var. farinosa E. A. McGregor 1964-3-24 s.n. Riverside Painted Canyon, S of Desert Center. Comment
  CAS-BOT-BC81536  Ephedra californica F. A. M. 1936-3-20 14475 Riverside Morongo Valley Comment
  CAS-BOT-BC81821  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  RSA697722  Ephedra nevadensis J. R. Bruff 1927-11-26 38 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  RSA740252  Epilobium brachycarpum Scott D. White, Justin M. Wood 2008-7-9 12406 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SEINET12535812  Epilobium brachycarpum H. M. Hall s.n. Riverside South side 1615 Comment
  UCR193858  Epilobium canum A. C. Sanders, Mitch Provance 2008-7-11 35823 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CAS-BOT-BC171724  Epilobium canum subsp. latifolium John Thomas Howell 1927-8-2 2933 Riverside Top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  RSA38400  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Springs; Joshua Tree National Monument. 1098 Comment
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  POM48731  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1924-7-29 8830 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA381722  Epipactis gigantea M. B. Dunkle 1933-5-6 3423 Riverside Andreas Canyon, Colorado Desert. Comment
  UCR3709  Epipactis gigantea Frank C. Vasek 1964-7-25 640725- 03 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR2386  Eragrostis mexicana subsp. mexicana F. M. Reed 1906-7-15 1469 Riverside Roadsides in Riverside Comment
  JOTR31898  Eremalche rotundifolia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2147 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  CAS-BOT-BC160052  Eremothera boothii subsp. condensata Philip A. Munz 1932-3-14 11990 Riverside Deep Canyon, Coachella Valley 152 Comment
  UCR279372  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-24 42956 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UC874147  Eremothera refracta Ira L. Wiggins 1937-3-9 8756 A Riverside wash 5 mi w Shaver's Well Comment
  UCR279551  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-29 43175 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  RSA0014471  Eriastrum Justin M. Wood, J. Miner 2010-4-29 1546 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA0105510  Eriastrum densifolium subsp. austromontanum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  CAS-BOT-BC514314  Eriastrum densifolium subsp. austromontanum C. W. Tilforth 1976-7-21 1222 Riverside C. 5 mi N of Idyllwild 1524 Comment
  UCR131534  Eriastrum diffusum Jennie Phui 1998-5-30 023 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  CSUSB1768  Eriastrum eremicum Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  CAS-BOT-BC514451  Eriastrum eremicum subsp. eremicum H. M. Hall 1901-6-1 2119 Riverside San Jacinto Mountains: eastern base, along the borders of the Colorado Desert Comment
  RSA0120401  Eriastrum eremicum subsp. eremicum H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  UCR233085  Eriastrum sapphirinum T. B. Salvato 2011-6-12 5463 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  CAS-BOT-BC515006  Eriastrum sapphirinum subsp. dasyanthum P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17283 Riverside 6.7 mi W along Hwy 74 from jct with road S from Idyllwild 914 Comment
  SBBG5836  Eriastrum sparsiflorum H. and M. Dearing 1940-6-9 4360 Riverside E of Hemet on Palms to Pines Hwy Comment
  JOTR34488  Ericameria cooperi Andre, Jim 2012-4-16 20972 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA702740  Ericameria cooperi Scott D. White, Michael Honer 2004-4-6 10047 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
  RSA614692  Ericameria cuneata var. spathulata A. C. Sanders, D. Wappler, T. Schram 1994-10-6 15785 Riverside San Jacinto Mountains (N slope): rocky gorge of Azalea Creek, Twin PInes Creek drainage 1189 Comment
  RSA747513  Ericameria cuneata var. spathulata Justin M. Wood 2009-3-10 353 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  POM359402  Ericameria linearifolia N. R. Zabriskie, W. M. Zabriskie 1971-4-9 372 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  CHSC118898  Ericameria linearifolia Mike Lahti 2012-5-10 Riverside Ramsey Road, one miole east of Terwilliger Road, six mile south of Anza. Chaparral. Comment
  CAS-BOT-BC299529  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UC64809  Ericameria paniculata E. E. Schellenger 1904-10-15 43 Riverside between Cabazon and Whitewater; Colorado Desert Comment
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Mar 13 2011
  SDSU13523  Erigeron bonariensis W. Miller with C. Mosse 1972-7-11 Riverside Comment
  UCD131707  Erigeron bonariensis Leslie Ede 1974-6-1 s.n. Riverside Blythe. Comment
  SD63734  Erigeron breweri var. covillei Peta Mudie 1965-7-5 490 Riverside Dry southwest slope, northwest side of Santa Rosa Mtn. on unpaved road from highway 74 to Nat. Forest camp site. 1000 Comment
  UCD131744  Erigeron breweri var. covillei K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  UC31492 Image available Erigeron breweri var. jacinteus H. M. Hall June, 1901 2322 Riverside near Tahquitz; San Jacinto Mountains; near Tauquitz, San Jacinto Mts. 2690 Comment
  POM12972  Erigeron divergens P. A. Munz, I. M. Johnston 1922-5-20 5469 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  UCR59696  Erigeron foliosus var. foliosus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3535 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 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
  UCR81995  Erigeron strigosus Steve Morgan 1994-3-25 94- 01 Riverside UCR Botanic Garden Comment
  RSA613956  Eriochloa acuminata A. C. Sanders 1994-7-27 15162 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge., (T2S R5W, 117 deg 22.5'W, 34 deg 01'N.) 246 Comment
  UCR24001  Eriochloa acuminata Alfred R. Roos 1937-11-28 s.n. Riverside East Washington Street, Riverside 457 Comment
  SD260968  Eriodictyon crassifolium Mitch Provance 2012-9-13 912 06 Riverside Badlands of Western Riverside County: about 0.2 miles S of Mt. Davis A+-2 miles SSW of Beaumont. 847 Comment
  UC1087301  Eriodictyon crassifolium E. K. Balls and P. C. Everett 1957-11-4 22743 Riverside Snow Creek; n base San Jacinto Mts., Snow Creek 701 Comment
  RSA618408  Eriodictyon crassifolium var. crassifolium D. L. Banks 1997-5-5 1968 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  HSC93339  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  RSA771739  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4813 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA519152  Eriogonum Scott D. White 1990-10-2 s.n. Riverside Vail Lake area: Hwy 79, immediately W of Dripping Springs Guard Station. 488 Comment
  RSA653069  Eriogonum apiculatum Reid V. Moran 1973-7-28 21108 Riverside Santa Rosa Mts., at summit of Toro Peak. 2500 Comment
  SBBG123018  Eriogonum apiculatum L. Wheeler 1945-10-7 6412 Riverside divide between W Fk Snow Crk and N Fk San Jacinto River 2377 Comment
  CAS-BOT-BC242793  Eriogonum davidsonii Steve Boyd 1987-2-12 1966 Riverside Temescal Canyon, southeast of Corona, where Horsetheif [Horsethief] Wash crosses Temescal Cyn Rd. 353 Comment
  RSA0093774  Eriogonum davidsonii Duncan S. Bell 2015-9-30 8680 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA785066  Eriogonum davidsonii Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 74 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  RSA797605  Eriogonum davidsonii Robert F. Thorne, Walter Wisura 1977-9-17 50767 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR281928  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-9-21 43354 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR30103  Eriogonum deflexum George K. Helmkamp 1983-4-5 483- 12 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CAS-BOT-BC256122  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside Hayfield, 5 mi. W of Desert Center Comment
  JOTR35263  Eriogonum deflexum var. deflexum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2218 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  UCR233548  Eriogonum deflexum var. deflexum Jim Andre, Glenn L. Clifton 2011-2-22 17415 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  SD229228  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-8-7 790 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  OBI81681  Eriogonum fasciculatum Cecelia Call 1958-7-14 7 Riverside On Chase drive near Corona Comment
  LA206857  Eriogonum fasciculatum var. foliolosum A. M. Johnson; 1932-4-23 4027 Riverside San Jacinto Mountains, along road Comment
  RSA393432  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-6-9 C 2073 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM158443  Eriogonum fasciculatum var. polifolium P. A. Munz 1927-5-21 10880 Riverside 10 miles SW of Coahiula. 1372 Comment
  SDSU13543  Eriogonum fasciculatum var. polifolium W. Miller 1972-7-20 Riverside Border N.W. of Royal Oak Ranch. Comment
  POM153373  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-12 11254 Riverside Temescal Canyon. Comment
  UCR203961  Eriogonum gracile var. gracile Michael Wall 2008-10-6 494 Riverside Perris-Aguanga Basin, San Jacinto Valley, Bautista Road southeast of Hemet, Bautista Creek c. 6.0 mi southeast of Fairview Ave. 778 Comment
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Nov 18 2011
  RSA752815  Eriogonum nudum subsp. pauciflorum A. C. Sanders, Tim Thomas 2008-8-1 35934 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA224  Eriogonum nudum var. pauciflorum J. T. Howell 1927-8-2 570 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UC85940  Eriogonum nudum var. pauciflorum A. W. Anthony 1896-7-13 Riverside San Jacinto Mountains 2438 Comment
  SBBG118  Eriogonum pusillum L. Rowntree 1928-3-20 Riverside Morongo Valley, N of Palm Springs Comment
  UC598736  Eriogonum reniforme John Bright 1936-4-21 12845 Riverside about 5 mi n Palm Springs; Colorado Desert Comment
  RSA0119890  Eriogonum saxatile Duncan S. Bell, Thomas Stoughton 2016-4-12 9221 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  CAS-BOT-BC263524  Eriogonum thomasii John H. Thomas 1957-3-30 6526 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70, Colorado Desert 518 Comment
  POM47240  Eriogonum thomasii Mary F. Spencer 1920-3-13 s.n. Riverside Mecca -60 Comment
  RSA517811  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1416 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA517830  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1450 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SBBG28232  Eriogonum thomasii F. W. Peirson 1927-4-12 7171 Riverside Painted Cyn, near Mecca Comment
  UCR216496  Eriogonum thomasii Jim Andre, T. La Doux 2009-3-10 11237 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR2968  Eriogonum thomasii D. L. Flaherty 1963-4-11 131 Riverside Sonoran (Colorado) Desert, 10 miles east of Mecca on Highway 195 along side of road, Box Canyon 244 Comment
  RSA678400  Eriogonum thurberi Michael Wall 2003-5-11 314 Riverside Vacant lot off Ramona Expressway between Donna Ave. and Seventh St. adajacent to Soboba Health Clinic. (currently for sale and development). 506 Comment
  RSA778621  Eriogonum trichopes Duncan S. Bell 2009-3-8 62 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  RSA796471  Eriogonum trichopes Duncan S. Bell 2009-4-18 209 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
  CAS-BOT-BC268190  Eriogonum umbellatum var. munzii James L. Reveal; Caroline G. Reveal 1972-8-9 2859 Riverside San Jacinto Mountains, along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74 and 1.2 miles south of Alandale Ranger Station Comment
  UCR58721  Eriogonum umbellatum var. munzii Reid Moran 1973-7-28 21105 Riverside Santa Rosa Mountains, N slope of the mountains 1780 Comment
  LA207117  Eriogonum wrightii var. membranaceum Elizabeth McClintock; 1938-8-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  POM204400  Eriogonum wrightii var. membranaceum F. M. Reed 1932-9-26 7317 Riverside Palms to Pines, road on Santa Rosa Indian Reservation. 1220 Comment
  SEINET3087092 Image available Eriogonum wrightii var. nodosum P. Leary 1974-11-24 857 Riverside Joshua Tree National Monument: uppermost portions of the eastern most fork of Munsen Canyon 1036 Comment
  UCR2829  Erioneuron pulchellum F. M. Reed 1920-5-10 4340 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Rocky ridge north of Murray Canyon [near Palm Springs] 396 Comment
  POM160097  Eriophyllum ambiguum var. paleaceum E. C. Jaeger 1927-3-23 s.n. Riverside Travertine Point [Travertine Rock?], Colo. Desert. Comment
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Nov 24 2016
  POM357964  Eriophyllum confertiflorum Norman C. Cooper 1945-5-5 2256 Riverside San Gorgonio Mountains above Banning. 915 Comment
  UCR174616  Eriophyllum confertiflorum Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 341 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  CHSC89857  Eriophyllum confertiflorum var. confertiflorum L. P. Janeway 2004-5-8 8068 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  JOTR33939  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2828 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  CAS-BOT-BC301796  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  RSA50326  Eriophyllum wallacei E. K. Balls 1949-5-4 13487 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1371 Comment
  UC31773  Eriophyllum wallacei H. M. Hall 1901-6-1 2053 Riverside s slopes in the vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  RSA736645  Erodium botrys Scott D. White, Angelia Carey 2004-4-5 10030 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC1922901  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Cabazon 7.5' Quad. Comment
  UCR202505  Erodium cicutarium Justin M. Wood 2008-12-2 263 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  RSA741424  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside SW Perris Basin: City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR249924  Erodium trifolium A. C. Sanders, Steve Boyd 2009-4-9 36793 Riverside Riverside, Beechwood Place between Brockton Ave. and Palm Ave. 252 Comment
  RSA396463  Erysimum capitatum W. Wisura 1987-5-21 4160 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  SDSU161  Erysimum capitatum unknown 1962-5-12 127 Riverside 25 miles from Idyllwild 20 feet from West side of road into Banning. Comment
  SDSU14082  Erythranthe guttata Joel Tracey 2002-4-20 10 Riverside Santa Margarita Ecological Reserve, 0.2 miles east from parking area intersecting Santa Margarita River and Northside Field Station road, small pond within river formed by rock basin. 252 Comment
  RSA0015892  Erythranthe moschata F. W. Peirson 1924-7-28 5007 Riverside Pine Flats Camp 1799 Comment
  SD116583  Erythranthe palmeri Barbara Ertter, Jeffrey Strachan 1980-5-21 3483 Riverside Santa Rosa Mountain road (Forest Road 7s02) ca. 2 miles south of Highway 74 (Pines to Palms Highway) 1584 Comment
  UCD96465  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 A Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  UCD96513  Eschscholzia androuxii Shannon M. Still 2009-2-22 445 Riverside California. Riverside County: Joshua Tree National Park. Cottonwood Wash, on east side of wash. 612 Comment
  RSA0022937  Eschscholzia androuxii Robert F. Thorne, Raymond Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55436 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  RSA433688  Eschscholzia californica N. C. Cooper 1949-6-3 4148 Riverside Temecula 762 Comment
  SDSU18719  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
  UC118512  Eschscholzia californica Charlotte M. Wilder June, 1905 653 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  HSC83355  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 Riverside Mecca-Joshua Tree Rd., 7 mi. SW of junction with Hwy. 10 244 Comment
  RSA777723  Eschscholzia minutiflora Jim Andre, G. L. Clifton 2011-2-22 17424 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UC1093132  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon Comment
  UCR104015  Eschscholzia minutiflora George K. Helmkamp 1998-4-4 3133 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  SEINET5340017  Eschscholzia minutiflora N. H. Holmgren, P. K. Holmgren 1974-3-23 7465 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca. 244 Comment
  RSA0124034  Eschscholzia papastillii Duncan S. Bell, LeRoy Gross 2016-3-10 8879 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  UCD96473  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 251 Riverside California. Riverside County. 325 Comment
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Sep 2 2017
  CAS-BOT-BC419651  Eschscholzia parishii Frank W. Peirson 1926-2-22 s.n. Riverside Thousand Palm Canyon near Indio Comment
  CLARK-A1528-687  Eschscholzia parishii Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  RSA663850  Eschscholzia parishii C. R. Annable, Lee Barron 1995-3-12 2270 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  UCR233153A  Eschscholzia parishii Jim Andre, Glenn L. Clifton 2011-2-22 17459 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA75988  Eucrypta chrysanthemifolia var. bipinnatifida F. W. Peirson 1919-4-13 972 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  RSA751624  Eucrypta chrysanthemifolia var. chrysanthemifolia G. Gust, L. Nye 2005-3-10 536 Riverside City limits of Lake Elsinore on River bank just off of Auto Center Dr., N of junction with Diamond Dr. 400 Comment
  UC880718  Eucrypta chrysanthemifolia var. chrysanthemifolia P. A. Munz 1922-4-29 5081 Riverside w of Lake Elsinore (e slope of Elsinore Mts); Elsinore Mts. 487 Comment
  JOTR35074  Eucrypta micrantha La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3526 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA357136  Euonymus occidentalis var. parishii R. F. Thorne 1969-10-25 41851 Riverside San Jacinto Mountains: James Reserve. Comment
  UCR102844  Euphorbia albomarginata A. C. Sanders 1997-4-3 20169 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA0042921  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-2 6494 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  OBI14371  Euphorbia micromera Robert F. Hoover 1966-10-15 10160 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  RSA713797  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Coachella Valley: Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr. at Cathedral City limits, 2 mi. E of Date Palm Dr. and 2 mi. S or Ramon Rd. 98 Comment
  JEPS51904  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1307 Riverside Strawberry Valley; Mt. San Jacinto 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
  SEINET10493487  Euphorbia polycarpa David B. Dunn Dunn 2050 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  UCR239869  Euphorbia serpillifolia O. F. Clarke 2004-5-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC310651  Euthamia occidentalis Steve Boyd; Tim Ross; Dave Bramlet 1992-9-9 7674 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 670 Comment
  SD187366  Euthamia occidentalis Scott D. White, Angelia Carey 2004-9-16 10758 Riverside Indian Creek watershed, above confluence with San Jacinto river. 579 Comment
  RSA645637  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA681032  Fagonia laevis Scott D. White, Michael Honer 2003-5-14 9262 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG67801  Fagonia laevis S. W. Hutchinson -Feb-1926 1145 Riverside Box Cyn 152 Comment
  UCR277634  Fagonia laevis A. C. Sanders, Jim Malusa 2017-1-14 42659 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCSB74335  Fagonia laevis White, Scott; Jones, Jennifer; Huelsman, James 2005-4-14 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. (Thermal Canyon: 33° 39'N, 116° 05'W; T6S R9E S18, and adj.) 49 Comment
  SEINET912731  Fagonia pachyacantha Annie M. Alexander, Louise Kellogg 1941-1 2233 Riverside Box Canyon, east of Mecca. 243 Comment
  UCR93058  Festuca myuros Steve Boyd 1986-4-2 1626 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR97263  Festuca myuros Scott D. White 1993-4-30 1313 a Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR22152  Festuca octoflora Steve Boyd 1980-5-11 226 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
  UCR2418  Festuca octoflora F. M. Reed 1908-4-26 2317 Riverside Riverside. Along Crestmore railroad north of Fairmount Park Comment
  UCR279533  Festuca octoflora A. C. Sanders, Jim Malusa 2017-3-25 43014 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA0116288  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway ca. 120 ft W of Lincoln St., N side of Corona del Rey apartments. 210 Comment
  RSA339694  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54216 a 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
  RSA543788  Filago californica Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6045 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
  CDA5868  Flaveria trinervia T. C. Fuller 1962-10-1 9688 Riverside S.L. Graves property, 154 West Avenue L, Calimesa. 0 Comment
  SD80100  Forestiera neomexicana Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 424 Riverside Above 1st turnout east side Santa Rosa Mountain Road, 0.6 mile above Highway 74. 1524 Comment
  RSA69882  Forestiera pubescens F. W. Peirson 1933-4-13 10647 Riverside Between Deep Canyon and Idyllwild, at Palm Canyon crossing 1387 Comment
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Oct 31 2011
  UC1123328  Forestiera pubescens A. E. Wieslander 1938-5-5 734 Riverside Vandeventer Flat; Thermal Quad. 1493 Comment
  UC218026  Forestiera pubescens P. A. Munz and I. M. Johnston 1922-5-7 5256 Riverside Keyes Ranch; Little San Bernardino Mts. 1219 Comment
  UCD122013  Forestiera pubescens A. C. Sanders; Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 548 Comment
  RSA292852  Fouquieria splendens Lyman Benson 1949-3-28 13581 Riverside Pines to Palms Highway from Palm Sprins to Hemet; rocky mountainside Santa Rosa Mountain Range, above the desert 305 Comment
  JEPS46440  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Pt. Riverside Mts., Colorado River Comment
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Jun 8 2012
  JEPS83134  Fouquieria splendens subsp. splendens R. P. Allen 1935-3-23 Riverside Shaver's Well Comment
  UC454004  Fragaria vesca I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mountains 1524 Comment
  GMDRC6576  Frangula californica subsp. cuspidata J. M. Andre 2012-6-15 30533 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  UCR139625  Frankenia salina A. C. Sanders 2004-7-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  RSA735984  Fraxinus dipetala Scott D. White, Justin M. Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  SD119908  Fraxinus dipetala Louis B. Ziegler 1969-5-20 364 Riverside San Jacinto Mountains; Bautista Canyon, upper canyon . 1143 Comment
  SEINET6694603 Image available Fraxinus dipetala F. A. Thackery 1927-1 298 Riverside Banning Comment
  RSA655603  Fraxinus velutina Mitch Provance 2000-4-8 s.n. Riverside Jurupa Mountains: Bloomington/Crestmore, ca. 100 yards NE of the corner of Cedar Ave. and El Rivino Rd., and along the W side of the El Rivino Country Club. 293 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
  RSA2592  Funastrum cynanchoides var. hartwegii J. T. Howell 1928-7-9 1065 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  SEINET10580661  Funastrum hartwegii Philip A. Munz 1932-4-24 Munz 12397 Riverside Snow Creek Canyon, San Jacinto Mts. 457 Comment
  JOTR35150  Funastrum hirtellum La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3262 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA0041958  Funastrum hirtellum Duncan S. Bell, Loraine Washburn 2014-4-10 6595 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  JEPS52915  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 Riverside Chimney Flat (old control) road below Alvin Meadows Comment
  CLARK-A1528-1351  Galium angustifolium Charles S. Papp 1964-6-6 508 Riverside Cleveland National Forest 853 Comment
  VVC459  Galium angustifolium A. C. Sanders, J. Mac 1997-5-4 20665 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA44864  Galium angustifolium subsp. angustifolium J. C. Roos 1948-5-8 3819 Riverside Steep north-facing slope, Whitewater Canyon. 549 Comment
  UCR151104  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 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
  RSA682188  Galium angustifolium subsp. jacinticum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1113 Riverside Black Moutain Road (4501), southeast of Black Moutain and northwest of Fuller Mill Creek. 2043 Comment
  RSA761272  Galium angustifolium subsp. jacinticum Shawn Krosnick, Lucinda A. McDade, Naomi S. Fraga 2010-8-14 672 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA615100  Galium aparine D. L. Banks 1997-3-29 1579 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
  RSA770704  Galium aparine Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4808 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD137627  Galium aparine Darin L. Banks 1995-3-16 105 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail 609 Comment
  JOTR33778  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2930 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  UCR147553  Galium porrigens Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1287 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR271514  Galium porrigens var. tenue T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8348 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  LA208441  Galium stellatum var. eremicum Ralph Hoffmann; 1931-6-14 509 Riverside 6 mi S of 29 Palms on road to Gold Park Comment
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Mar 9 2014
  UCR84788  Garrya Scott D. White, S. Ogg 1994-4-21 2010 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA601080  Garrya veatchii A. C. Sanders, S. Hawkins, J. Goetzen 1996-5-1 18121 Riverside Morongo Indian Reservation, SE edge of Burro Flats. 1098 Comment
  UC64298  Gayophytum diffusum subsp. parviflorum H. M. Hall July, 1901 2347 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  RSA485836  Geraea canescens Thomas S. Elias 1988-2-26 10688 Riverside Northeastern section of Eagle Mtns E of Joshua Tree national Monument,Riverside County Comment
  SEINET2051656 Image available Geraea canescens Steven J. Southwell 1971-5-1 Riverside 300 ft. W. of road through Thousand Palm Oasis 150 Comment
  UC577422  Geraea canescens J. and H. W. Grinnell 1937-11-30 1085 a Riverside 24 mi w Blythe; Bed of Ford Dry Lake Comment
  UCR245951  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  UCD170629  Geranium robertianum A. C. Sanders; T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus. 396 Comment
  SEINET156054  Gilia achilleifolia Norman C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon. 1220 Comment
  HSC17013  Gilia achilleifolia subsp. multicaulis C. L. Hitchcock 1966-3-15 24148 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  UC1563106  Gilia angelensis Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3155 Riverside in hills just to sw dam (Vail Lake area); Vail Lake area 487 Comment
  UCR133957  Gilia angelensis Mitch Provance, J. S. Ross 1998-3-27 MOR- 969 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR155833  Gilia angelensis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR98059  Gilia angelensis A. C. Sanders 1997-3-1 19711 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR121233  Gilia capitata subsp. abrotanifolia Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2261 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UC908040  Gilia latifolia Victor Duran 1935-4-18 Riverside near Indio (Curtis Palms); Curtis Palms -- near Indio Comment
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Dec 14 2011
  UCR165818  Gilia latifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR80807  Gilia ochroleuca subsp. bizonata Scott D. White 1993-5-29 1450 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge Comment
  RSA776746  Gilia ochroleuca subsp. exilis Steve Boyd, Valerie Soza 2004-6-22 11537 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA0017089  Gilia ochroleuca subsp. exilis Verne Grant 1954-4-16 9317 Riverside Dripping Springs, 11 miles E of hwy 395 on hwy 71. 518 Comment
  RSA487535  Gilia stellata B. Pitzer 1988-3-10 660 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA770988  Gilia stellata J. Andre, T. La Doux 2009-2-25 10810 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  SBBG18148  Gilia stellata C. B. Hardham 1962-3-18 8925 Riverside E side of Salton Sea, St Hwy 195 Comment
  UCR244401  Gilia stellata Jim Andre 2012-4-16 20983 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  POM99004  Gilia stellata E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains, 30 miles east of Mecca 610 Comment
  RSA612952  Githopsis diffusa subsp. diffusa D. L. Banks 1997-3-29 1621 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
  POM157911  Githopsis diffusa subsp. filicaulis P. A. Munz 1927-5-20 10807 Riverside 10 miles S. of Hemet. Comment
  UCR159200  Glinus lotoides A. C. Sanders, Kelly Volansky 2005-8-31 31591 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
  UC69360  Glyceria striata H. M. Hall Jul 1901 2553 Riverside Fuller's Mills Mountains; San Jacinto Mts. 2042 Comment
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Aug 13 2006
  CLARK-A1656-742  Gnaphalium bicolor Theo Glenn 1979-2-17 Riverside San Jacinto Mountains Comment
  RSA500118  Gnaphalium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3693 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR19791  Gnaphalium canescens subsp. beneolens W. W. Mayhew 1977-10-1 s.n. Riverside San Jacinto Mtns., [Hwy 243] 1 mi SE of Poppet Rd. 1341 Comment
  UCR234762  Gnaphalium leucocephalum A. C. Sanders, John F. Green 2012-6-25 40304 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  CAS-BOT-BC307398  Gnaphalium palustre A. C. Sanders 1998-5-21 21868 Riverside Hemet, alkaline flats west of town along Stetson Ave. W of Warren Road 457 Comment
  UCR266605  Gnaphalium palustre Mitch Provance 2011-6-6 17004 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  UCR21313  Gnaphalium stramineum 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
  RSA430050  Guillenia lasiophylla Robert L. Dressler 1949-3-19 424 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  RSA152493  Gutierrezia californica Otto T. Solbrig 1958-8-20 2775 Riverside 1 mile from Pal Spring Palm Desert Hwy, near entrance to Tahquitz Canyon. Comment
  CAS-BOT-BC302090  Gutierrezia microcephala Carl B. Wolf 1932-10-13 4313 Riverside Colorado Desert. Eagle Mts. Cottonwood Springs 289 Comment
  RSA0097131  Gutierrezia sarothrae Marc A. Baker, Chris Taylor 2015-6-26 18366 Riverside The Badlands, 1.5 km SSE of the intersection of San Timoteo Road and Redlands Blvd., 27 km ENE of Riverside, 0.5 km south of San Timoteo Wash. 567 Comment
  UC1214010  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2756 Riverside on Hwy 74 3.4 mi w of junction with Hwy 71 Comment
  SEINET10757036  Haplopappus David B. Dunn 1947-9-1 Dunn 3508 Riverside Collected from dry banks near Palms, Pushawalla Canyon, Indio Hills. Comment
  CAS-BOT-BC231098  Harpagonella palmeri Steve Boyd 1986-3-9 1396 Riverside Temescal Canyon: Between Indian Truck Trail and Horsethief Wash 365 Comment
  HSC85287  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  SEINET3242791 Image available Harpagonella palmeri Steve Boyd 1986-1 1767 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UCR102871  Harpagonella palmeri A. C. Sanders 1997-3-26 20116 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  SBBG94677  Hazardia squarrosa S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 air mi SW of Temecula, on Via Yerba Rd, E of Vaquero Rd 396 Comment
  POM172319  Hazardia squarrosa var. grindelioides M. French Gilman 1930-10 5 Riverside Banning Comment
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Mar 13 2011
  UCR93014  Helianthemum scoparium G. P. Schultz 1994-4-7 70 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA543143  Helianthus annuus subsp. lenticularis Steve Boyd 1991-3-17 5499 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
  JOTR31241  Heliotropium curassavicum Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  SD233265  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles SE of the ghost town of Rice and approximately 5.5 air miles E of Priests Well. An open valley floor. 202 Comment
  UCR49109  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita Ecological Reserve, Santa Margarita River, near aqueduct crossing 245 Comment
  VVC2321  Heliotropium curassavicum var. oculatum Tim Thomas 2011-10-17 5522 Riverside Sonoran Desert, Ford Dry Lake off ramp just N of I 10 in drainge channel at edge of Lake. 108 Comment
  RSA710826  Hemizonia fasciculata A. C. Sanders 2005-5-4 29842 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR140738  Hemizonia fasciculata A. C. Sanders 2004-5-11 27855 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  UCR91991  Hemizonia fasciculata Michael A. Patten 1993-4-28 s.n. Riverside Winchester (near): roadside ditch at corner of Stowe and California 447 Comment
  RSA722929  Hemizonia paniculata R. E. Riefner Jr. 2007-6-16 07 -263 Riverside City of Hemet, Bautista Canyon, 2.8 mi. E of Fairview Ave. on Bautista Rd. 693 Comment
  UCR139645  Hemizonia paniculata A. C. Sanders 2004-6-30 28388 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR139649  Hemizonia paniculata A. C. Sanders 2004-7-1 28373 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile WNW of the "Menifee-Antelope Community Hall", 5 miles due south of Sun City 476 Comment
  UCR159089  Hemizonia paniculata David Charlton 2005-8-10 s.n. Riverside Perris-Aguanga Basin Region, Perris, SW corner of Perris Valley Airport, corner of Mapes Rd. and Goetz Rd. 430 Comment
  NY43298  Hesperocallis undulata C. R. Annable 1995-3-16 2297 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  UC64541  Heteromeles arbutifolia H. M. Hall 1897-6-19 670 Riverside Comment
  UCR113181  Heterotheca grandiflora A. C. Sanders 1998-1-15 21640 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  RSA0075885  Heterotheca grandiflora Steve Boyd 1992-9-9 7675 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR92617  Heterotheca sessiliflora subsp. echioides Scott D. White 1995-8-23 3591 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  CAS-BOT-BC206630  Heuchera hirsutissima Carl B. Wolf 1932-8-5 3977 Riverside Summit of San Jacinto Peak, San Jacinto Mountains 3293 Comment
  CAS-BOT-BC203350  Hibiscus denudatus Edmund C. Jaeger 1922-4-12 s.n. Riverside Martinez Canon [Canyon], Colorado Desert 304 Comment
  HSC24986  Hibiscus denudatus R. W. Spjut 1972-2-1 2159 Riverside Colorado Desert, 10 mi. N on Eagle Mtn. Rd. from junction of Inst. 10, 1 mi. W of Desert Center Comment
  CAS-BOT-BC289174  Hilaria rigida K. Bonner 1977-10-30 60062 B Riverside 7.5 mi. N. of Midland on Rice Road 274 Comment
  UCR224685  Hilaria rigida Charles Hughes 2010-3-22 205 Riverside Sonoran (Colorado) Desert, about 9.4 miles south of Hwy 62, next to RR tracks 246 Comment
  SD137829  Hirschfeldia incana Darin L. Banks, Steve Boyd 1995-5-3 198 Riverside Agua Tibia Mountains Watershed; North slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvia benche 505 Comment
  CLARK-A1528-476  Hoffmannseggia densiflora Charlotte Stocks 1964-9-11 Riverside Indio Comment
  RSA698742  Hoffmannseggia densiflora Mary Edmunds 1932-3-26 s.n. Riverside Oasis-Coachella Valley. Comment
  UC570587  Hoffmannseggia glauca Frank W. Peirson 1935-4-17 11469 Riverside 9 mi s Blythe Comment
  SBBG29199  Hoffmannseggia microphylla K. K. Muller 1967-9-14 1419 Riverside 5 mi E of Indio Comment
  OBI37476  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Rd, 10.4 mi W of Rancho Calif; t point where E branch of De Luz Crk first crosses rd Comment
  RSA652938  Holcus lanatus Mitch Provance 2000-6-24 2051 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  SEINET238468 Image available Hordeum depressum A. C. Sanders, K. C. Rose 1998-5-21 21857 Riverside Hemet: Alkaline flats west of town E of the canal S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCD85628  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin. San Jacinto River Valley. S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto. 445 Comment
  UCR266497  Hordeum depressum Mitch Provance, Matt Amalong 2015-4-6 415- 13 Riverside Temecula/Murrieta Region, About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. 452 Comment
  RSA593698  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8628 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  CAS-BOT-BC55488  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  SBBG3446  Hosackia oblongifolia var. oblongifolia Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  POM266314  Hulsea heterochroma J. C. Roos 1942-6-20 1274 Riverside Roadside N of Idyllwild. Comment
  RSA740083  Hulsea vestita subsp. callicarpha Scott D. White, Justin M. Wood 2008-6-16 12150 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UC1349027  Hydrocotyle ranunculoides Lathrop and Thorne 1967-9-26 6635 Riverside 6 mi. n.w. Murrieta Comment
  POM361071  Hymenoclea salsola M. B. Dunkle 1937-3-25 4946 Riverside Colorado Desert. Shaver's Well Comment
  POM13022  Hymenolobus procumbens P. A. Munz 1922-4-29 5120 Riverside Lancaster Valley, s. of Hemet 457 Comment
  RSA458249  Hypericum formosum var. scouleri H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto [could be San Jacinto Mtns., or could be San Jacinto Riv. near City of San Jacinto but probably mtns., based on species] Comment
  RSA660536  Hypochaeris glabra Orlando Mistretta 1992-6-10 524 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  RSA192190  Hypochaeris radicata E. W. Lathrop 1960-6-6 4827 Riverside 14 miles W. of Murrieta. Comment
  CAS-BOT-BC219733  Hyptis emoryi Walter Knight; Irja Knight; Fred Klein 1968-11-17 2586 Riverside 2.8 mi. n. of junction of Bradshaw Stage Road and Imperial Gas Line Road. Access from Indio-Blythe highway via Red Cloud Road Comment
  SD187429  Hyptis emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1382 Riverside Colorado Desert; Northeastern Colorado Desert region: just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  CAS-BOT-BC274060  Imperata brevifolia Louis Wheeler 1933-12-2 2318 Riverside U. S. 99 2 mi. NW Whitewater Station 365 Comment
  UCD133425  Isocoma acradenia var. eremophila Lewis S. Rose 1935-12-27 s.n. Riverside Palm Canyon. Comment
  RSA0009749  Isocoma acradenia var. eremophila Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  SD181693  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon. 334 Comment
  UC55181  Isocoma menziesii var. vernonioides E. A. Zumbro 1902-10-1 257 Riverside Comment
  CAS-BOT-BC69944  Isoetes howellii Robert F. Thorne; Earl Lathrop; P. Munz 1968-5-8 37568 Riverside Santa Rosa Plateau: On Mesa de Colorado, Rancho California. 670 Comment
  RSA684554  Isoetes howellii Christopher Davidson 1977-5-25 5665 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  UC898140  Iva axillaris subsp. robustior I. M. Johnston 1918-5-30 2014 Riverside Temescal Canyon 365 Comment
  UCD51381  Jarava speciosa A. A. Beetle 1946-6-10 4387 Riverside San Jacinto Mt., San Jacinto Mts. 762 Comment
  CAS-BOT-BC475156  Jasminum mesnyi A. C. Sanders 2006-5-13 32285 Riverside Peninsular Range: UC Emerson Oaks Reserve, 8 mi SE of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Rd in vicinity of water tank 487 Comment
  UCR189779  Juglans hindsii Theresa Johnson 2007-10-9 401 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  UCR273789  Juncus bufonius Mitch Provance 2012-4-20 412- 24 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  RSA712543  Juncus bufonius var. occidentalis T. B. Salvato, A. C. Sanders 2005-5-17 900 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  SBBG102832  Juncus dubius R. Montijo 1991-7-10 91 -20 Riverside Avenida Escalera, N of Tenaja Rd & ca. 1 mi NE of Squaw Mtn; Santa Rosa Plateau 609 Comment
  JEPS74129  Juncus effusus subsp. austrocalifornicus Carl V. Meyer 1928-7-30 582 Riverside San Jacinto Mts., Saunder's Meadows Comment
  RSA254371  Juncus luciensis E. W. Lathrop 1975-5-4 5451 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burro, 3.0 miles W of Murrieta. Comment
  UCR59517  Juncus macrophyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3562 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
  RSA690935  Juncus mexicanus Scott D. White, Michael Honer 2003-5-27 9416 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  RSA296117  Juncus rugulosus B. A. Prigge 1980-8-11 3886 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
  UCR156273  Juncus tiehmii T. B. Salvato, A. C. Sanders 2005-5-17 897 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UC196457  Juncus torreyi S. B. Parish 1913-9-20 8619 Riverside Mecca Salton Sink -57 Comment
  RSA772576  Juniperus californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5053 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UC813453  Juniperus californica C. L. Hitchcock 1940-4-3 5933 Riverside 1.5 mi ne of Cottonwood Spring (along 29 Palms Road); Joshua Tree National Monument Comment
  UCSB213  Juniperus californica Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  LA202795  Justicia californica S. B. Parish; 1907-4-18 6126 Riverside western border of the Colorado Desert 45 Comment
  CDA28517  Kallstroemia californica W. E. Henson Nov 1937 Riverside Blythe. 0 Comment
  JOTR30680  Kallstroemia californica Andre, Jim, Tasha La Doux 2008-9-13 10262 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  UCR130813  Kallstroemia californica G. R. Ballmer 1999-9-25 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wiley's Well Rd between Hwy I-10 and the entrance to Chuckwalla Prison. 183 Comment
  UCD123744  Keckiella antirrhinoides B. Pitzer 1988-3-12 665 Riverside Santa Jacinto Mountains, on Hwy 74, just east of Cranston Forest Station, between Valle Vista and Mountain Center. 609 Comment
  UCR113126  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  JOTR31063  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2045 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  SBBG11771  Keckiella ternata subsp. ternata D. E. Breedlove 1961-8-5 939 Riverside Riverside Hwy 1, 0.2 mi SW of Fuller Mill Crk 1645 Comment
  RSA0060486  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UC38717  Koeleria macrantha H. M. Hall 1901-6 2376 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  UCSB37889  Krameria bicolor Roos, John 1965-6-23 Riverside Colorado Desert, Lost Palms Canyon in the Eagle Mtns. Comment
  LA45697  Krameria erecta J. A. Ewan; 1931-4-4 4141 Riverside McCoy Mountains Comment
  RSA303861  Krameria erecta Jim R. Shevock 1971-5-8 1037 Riverside White Tank, Joshua Tree National Monument. 1174 Comment
  RSA409439  Krameria erecta Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  UCR52008  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR85433  Krameria erecta George K. Helmkamp 1994-4-26 88- 3 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  RSA408613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  SEINET6658833  Krameria grayi Barbara Ertter, Jeffrey L. Strachan 1980-5-20 3464 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10.; 0 457 Comment
  UCR200303  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11228 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
  SD178133  Laennecia coulteri A. C. Sanders 2004-5-11 27844 Riverside Elsinore Basin Region: Alberhill Mountain, former clay mine area ca. 1 mile southeast of Alberhill. Margins of muddy pool in old clay pit. Around high water line of pool and in upper parts of dried bed. 438 Comment
  UCR167063  Lamarckia aurea Scott D. White 2005-3-29 10838 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
  UCSB5128  Langloisia setosissima subsp. setosissima Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junc. of U.S. 60-70 and the south entrance road to Joshua Tree Natl. Mon. 487 Comment
  RSA0084168  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1415 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  OBI75821  Larrea divaricata P. A. Holden 1969-4-23 777 Riverside At foot of Morongo Pass just W of hwy 62 about 8 mi W of Desert Hot Springs Comment
  RSA761045  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 151 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  RSA799814  Larrea tridentata D. M. Ray 2011-3-5 5 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SD259066  Larrea tridentata Sarah J. De Groot, Cheryl Sevilla 2016-6-16 7654 Riverside Mecca Hills: mouth of Painted Canyon, SW side of Mecca Hills, NE of Mecca, W of Box Canyon, NE of Coachella Canal, NE of powerline, near mouth of Skeleton Canyon. 52 Comment
  POM122104  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA522747  Lastarriaea coriacea Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3854 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
  RSA757781  Lastarriaea coriacea LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4306 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
  SD186283  Lastarriaea coriacea T. B. Salvato, Melissa Clemons 2005-6-2 1332 Riverside Temescal Valley: Gavilan Hills, ca 0.5 mi SE of Steele Peak, 4 mi SW of Perris, and 6 mi NNE of Lake Elsinore, NW of Hwy 74 573 Comment
  SEINET2053249 Image available Lasthenia californica Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  SEINET7073390  Lasthenia californica A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  CAS-BOT-BC352916  Lasthenia coronaria Carl B. Wolf 1935-4-7 6306 Riverside Gavilan Hills region. 2 mi. sw. of Ferris 426 Comment
  UC1563135  Lasthenia coronaria Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3167 Riverside recent burn in hills just to sw of the dam Vail Lake area 487 Comment
  UC55102  Lasthenia coronaria H. M. Hall 1903-4-1 3787 Riverside vicinity of Riverside 396 Comment
  UC63212  Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside s side of Box Spring Mt.; Riverside 426 Comment
  UCR281787  Lasthenia coronaria Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 102 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  UCR93012  Lasthenia coronaria G. P. Schultz 1994-4-7 66 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UCR15367  Lasthenia glabrata subsp. coulteri George K. Helmkamp 1977-3-5 s.n. Riverside Perris-Aguanga Basin, west side of the San Jacinto River, 0.5 mi south of the Ramona Expressway 435 Comment
  UCR18611  Lasthenia glabrata subsp. coulteri O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  UCR241099  Lasthenia glabrata subsp. coulteri Blair Baker 2010-4-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, near San Jacinto River SE of Perris, NE side of Case Rd. 431 Comment
  RSA736550  Lathyrus laetiflorus Scott D. White, Angelia Carey 2004-7-2 10583 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA406616  Lathyrus vestitus subsp. alefeldii Anstruther Davidson 1897-03 408 Riverside Winchester Comment
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Mar 20 2011
  JOTR29582  Layia glandulosa Andre, Jim 2006-4-6 6714 Riverside Joshua Tree National Park. Along Desert Queen Mine Rd 1362 Comment
  UC50334  Layia platyglossa H. M. Hall 1903-4-1 3981 Riverside vicinity Riverside 365 Comment
  UC584218  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 mi n of Elsinore Comment
  UCR114299  Layia platyglossa Julie A. Greene 1993-4-10 1150 a Riverside San Jacinto Valley, San Jacinto Wildlife Area. Sloping drainage from Davis Road. 436 Comment
  UCR138910  Layia platyglossa Julie A. Greene 1993-4-3 1098 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of permanent pond 441 Comment
  UCSB17219  Layia platyglossa Torngren, W. 1963-5-5 Riverside Hemet Meadow, 1.3 miles south of Hurkey Creek Campground on California Highway 74 1341 Comment
  RSA90128  Lemna minor E. K. Balls, Percy C. Everett 1953-8-19 18537 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  JOTR34340  Lepidium fremontii var. fremontii Andre, Jim 2012-4-11 20682 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SEINET4565897  Lepidium fremontii var. fremontii Duncan S. Bell 2010-4-2 691 Riverside Arica Mountains: along the ridgeline of the mountain range about 0.3 air mile north of the summit 561 Comment
  CLARK-A1656-763  Lepidium lasiocarpum Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  RSA554366  Lepidium lasiocarpum Theo Glenn 1991-4-9 91 -2 Riverside Big wash in Eagle Mountains. 786 Comment
  SBBG92557  Lepidium latifolium D. Mitchell 1990-1-3 Riverside Woodcrest, S of Van Buren and W of Washington; T3S, R5W, S28 Comment
  SDSU14133  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  RSA593901  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8606 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
  RSA162734  Lepidium virginicum J. Olmstead 1959-6-23 658 Riverside Desert Sun School near Idyllwild. 1646 Comment
  POM8776  Lepidium virginicum var. pubescens P. A. Munz 1920-4-11 3812 Riverside Santa Ana River Canyon, near Rincon. 305 Comment
  RSA65796  Lepidium virginicum var. pubescens F. W. Peirson 1922-5-21 3031 Riverside Along east side of Hemet Valley 1357 Comment
  CDA23632  Lepidospartum squamatum Mike Lahti 2008-8-19 PDR# 1473307 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  HSC47589  Lepidospartum squamatum Richard Spjut, Judy Adams 1978-11-22 5239 Riverside Colorado Desert, N of Palm Springs ca. 1 mi. S from Jct. with Hwy. 10 Comment
  SFV11881  Lepidospartum squamatum R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  JOTR30239  Leptosiphon aureus subsp. aureus Leary, C. and Leary, Pat 1979-5-5 2987 Riverside Joshua Tree National Park. At the end of the Lower Covington Flats road, Joshua Tree National Monument Comment
  POM12799  Leptosiphon ciliatus P. A. Munz 1922-6-23 5765 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  POM364671  Leptosiphon floribundus Emery M. Whilton 1938-5-15 s.n. Riverside Taken between capistrano and Lake Elsinor. Comment
  RSA192029  Leptosiphon floribundus E. W. Lathrop 1959-4-2 4428 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
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Apr 28 2011
  RSA263686  Leptosiphon floribundus E. W. Lathrop 1968-5-22 6927 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC227047  Leptosiphon floribundus subsp. glaber Ynez W. Winblad 1938-5-15 s.n. Riverside Between E. Capistrano and Lake Elsinore Comment
  POM364624  Leptosiphon lemmonii T. W. Minthorn 1926-05 s.n. Riverside Near Banning. Comment
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Nov 13 2016
  POM364644  Leptosiphon liniflorus N. C. Cooper 1944-5-20 1294 Riverside Banning. 701 Comment
  UC1930075  Leptosiphon liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilian Hills / Temescal Canyon: Hils and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake Street exit. Collected south and/or west of unnamed peak 2349. (Lake Elsiniore & adjacent Alberhill) Comment
  RSA543904  Leptosiphon pygmaeus subsp. continentalis Steve Boyd, Orlando Mistretta 1991-5-22 6287 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SD137899  Leptosyne californica Darin L. Banks, Steve Boyd 1995-5-3 287 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 515 Comment
  POM118637  Lesquerella tenella Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  POM99002  Lesquerella tenella E. C. Jaeger 1926-4-1 s.n. Riverside Pinto Valley, Eastern Riverside County. Comment
  UCR220005  Lessingia filaginifolia A. C. Sanders 2010-11-18 38690 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  CAS-BOT-BC339362  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside At Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  UC421676  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside at Idyllwild (Strawberry Valley); Mt. San Jacinto, Strawberry Valley Comment
  UCR103173  Lessingia glandulifera var. glandulifera Scott D. White, J. Greene, S. Douthit 1996-10-13 4624 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  CAS-BOT-BC283711  Leymus condensatus Scott D. White; Justin Wood 2008-5-29 12041 Riverside Beaumont Badlands: W of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  RSA588184  Lilium humboldtii subsp. ocellatum Darin L. Banks, Victor Steinmann 1995-7-10 749 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  UC3725  Lilium parryi H. M. Hall 1897-8-11 798 Riverside San Jacinto Mt. 1828 Comment
  RSA654177  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  SEINET4043536  Linanthus ciliatus C. Davidson 1975-1 2818 Riverside 2 miles north of Aladale Station on road R1 from Idyllwild to Banning. 1645 Comment
  RSA747561  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349. 640 Comment
  UC909126  Linanthus dianthiflorus Frank W. Peirson 1922-4-30 2930 Riverside road from Temecula River to Hemet Comment
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Mar 24 2011
  UCR281228  Linanthus dianthiflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 46 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  UCR155950  Linanthus floribundus Scott D. White 1994-4-23 2030 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  JEPS58524  Linanthus floribundus subsp. floribundus W. L. Jepson 1907-5-25 1445 Riverside Santa Rosa Indian Village Santa Rosa Mts. Comment
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Nov 29 2008
  UC880279  Linanthus floribundus subsp. glaber P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  POM13324  Linanthus floribundus subsp. hallii E. C. Jaeger 1921-4-10 1088 Riverside Santa Rosa Mountains, Rockhouse Canyon Comment
  UC472899  Linanthus lemmonii P. C. Standley 1921-6-16 Riverside Idyllwild San Jacinto Mt. Comment
  UC907919  Linanthus lemmonii Carl V. Meyer Jun 1927 203 Riverside Saunder's Meadow San Jacinto Mountains Comment
  UC908554  Linanthus parviflorus Victor Duran 1935-4-17 Riverside Sage Comment
  POM12935  Linanthus pungens subsp. hallii P. A. Munz 1922-6-27 5874 Riverside Toro Peak. 2287 Comment
  POM229435  Linanthus pungens subsp. hallii P. A. Munz 1937-5-29 15100 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  UCR21908  Linanthus pygmaeus Steve Boyd 1980-5-2 160 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC4704  Listera convallarioides H. M. Hall July, 1901 2534 Riverside along tributary of Snow Creek (n side of mountains); San Jacinto Mountains 2286 Comment
  UC489224  Listera convallarioides C. V. Meyer 1928-7-24 520 Riverside s slope Marion Mt.; San Jacinto Mts. 2133 Comment
  POM128389  Lithophragma affine subsp. mixtum T. Craig 1927-4-23 221 Riverside Glen Ivy. Comment
  RSA495423  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2949 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SBBG69642  Lobelia cardinalis M. D. Clary 1928-7-7 Riverside Snow Crk, Mt San Jacinto Comment
  RSA27972  Loeseliastrum matthewsii C. L. Hitchcock 1940-4-4 5948 Riverside Pinto Basin. Comment
  UC1563139  Loeseliastrum matthewsii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3650 Riverside s.e. Vail Lake (just n. of Hwy. 79, Temecula Creek); Vail Lake area, Temecula Creek 487 Comment
  UCR85183  Logfia arizonica A. C. Sanders, George K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16163 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  UCR54309  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  RSA234068  Lomatium vaginatum R. F. Thorne, E. Lathrop, et al. 1969-5-19 37952 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA132823  Lonicera interrupta P. H. Raven 1958-5-17 12950 Riverside 7.4 miles south-east of Banning on road to Idyllwild, Sam Jacinto Mountains. Comment
  UCR20545  Lonicera subspicata var. johnstonii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA90331  Lotus argophyllus subsp. decorus F. W. Peirson 1921-3-19 2367 Riverside Whitewater Point, head of Coachella Valley Comment
  SDSU4300  Lotus grandiflorus unknown 1941-6-9 Riverside San Jacinto Mts. 1219 Comment
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Mar 17 2014
  RSA0043382  Lotus grandiflorus John F. Emmel 1996-6-22 1414 Riverside San Jacinto Mts.; tributary of Dark Canyon, just below Fern Basin Campground (0.1-0.2 air mile west of the campground). 1853 Comment
  POM10071  Lotus hamatus Charlotte M. Wilder 1904-4-26 61 Riverside Wilder's Canyon Comment
  RSA407730  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCR151061  Lotus hamatus Scott D. White 1998-6-17 6751 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 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
  RSA627503  Lotus heermannii Scott D. White 1998-7-31 6943 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA0029409  Lotus heermannii John F. Emmel 1995-8-6 1388 Riverside West Ridge, SW of Idyllwild. 1585 Comment
  UCR214270  Lotus humistratus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37740 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
  SEINET3523644  Lotus procumbens var. procumbens A. C. Sanders, H. Spilman, CNPS field trip 1993-4-24 13788 Riverside SE end of San Bernardino Mountains: S end of Whitewater Bench, E side of the mouth of Whitewater Canyon 450 Comment
  SEINET2062419  Lotus salsuginosus B. Pitzer, L. LaPre 1987-3-2 434 Riverside Bundy Canyon, ca. 2.0 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. (Romoland 7.5' Quad 701 Comment
  JOTR31011  Lotus salsuginosus var. brevivexillus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1298 Riverside Joshua Tree National Park. Stop 6: Hexie Mountains, side canyon just north of Blue Cut Gorge Comment
  UCR127342  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25846 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  SEINET212654 Image available Lotus scoparius var. brevialatus Larry C. Higgins 1974-4-12 8477 Riverside 5 miles south of Morongo Valley on highway 62 Comment
  RSA192128  Lotus scoparius var. scoparius E. W. Lathrop 1965-5-9 5749 Riverside 6 miles W of Murrieta. Comment
  RSA319651  Lotus scoparius var. scoparius Patricia Wilder 1971-5-13 4945 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  JOTR31941  Lotus strigosus La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2179 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  OBI79201  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37858 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St. (Alberhill 7.5' Q) S-facing canyon slopes above stream; decomposed granite with coastal sage scrub cover 482 Comment
  RSA619566  Lotus strigosus D. L. Banks 1997-5-5 2004 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA782088  Lotus strigosus Duncan S. Bell 2009-3-7 5 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
Read comments
Mar 13 2011
  UCR238485  Lotus strigosus Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 160 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  UCR92050  Lotus strigosus Scott D. White 1995-3-30 2665 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
  UCSC000928  Lotus strigosus var. strigosus Grey Hayes 2000-5-15 215 Riverside Aqueduct Road 5 mi east of Garnet Aqueduct Road, Garnet - Coachella Valley Comment
  UCR166547  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA406380  Lotus tomentellus Robert Gustafson 1978-3-22 836 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  UCR138614  Ludwigia peploides subsp. peploides L. C. Wheeler 1961-6-24 s.n. Riverside San Jacinto Mountains, Fulmor Lake Comment
  UCR213387  Lupinus arizonicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37446 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA0118395  Lupinus arizonicus Lyman Benson 1945-3-29 11620 A Riverside Cabazon. 548 Comment
  RSA757746  Lupinus bicolor LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4348 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
  SBBG92279  Lupinus bicolor J. Hirshberg 1989-4-3 Riverside S of town of Murrieta, W of Mesa de Burro, Santa Rosa Plateau 609 Comment
  OBI083254  Lupinus bicolor Rhonda Riggins 1985-3-23 1501 Riverside Field adjacent Scott Road and I215. 6.1 mi N jct. with I15. Comment
  RSA772414  Lupinus concinnus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4851 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
  SD152853  Lupinus concinnus Steve Boyd, Orlando Mistretta 1992-4-23 7054 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line. 244 Comment
  SD232251  Lupinus concinnus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10483 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
  SDSU17527  Lupinus concinnus Jerry Jenkins 2001-4-3 2001 -042 Riverside Santa Margarita Ecological Reserve. West Side of Santa Margarita river. UTM transfered to GIS. 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
  UC63435  Lupinus concinnus H. M. Hall 1904-5-16 4945 Riverside vicinity Riverside (Fairmount Park); vicinity of Riverside, Fairmount Park 243 Comment
  UCR160688  Lupinus concinnus John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCR38116  Lupinus concinnus J. M. Stewart 1985-3-16 8510 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA670630  Lupinus densiflorus var. lacteus B. C. Templeton 1930-4-9 1493 Riverside East of Riverside 700 Comment
  CAS-BOT-BC216684  Lupinus excubitus subsp. hallii Charles Piper Smith 1951-5-22 51239 Riverside 1.5 miles S of summit, Beaumont - Morena Grade (San Gorgonio Drive) Comment
  POM12627  Lupinus excubitus var. austromontanus Philip A. Munz, I. M. Johnston 1922-5-21 5499 Riverside 2 mile below Kenworthy, Thomas Valley 1372 Comment
  RSA699741  Lupinus excubitus var. austromontanus Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  RSA552695  Lupinus excubitus var. hallii Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6703 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA17253  Lupinus formosus Carl B. Wolf 1936-6-17 7961 Riverside Santa Ana Mts., Tenaja Road, North end of La Cienaga. 732 Comment
  RSA797258  Lupinus formosus Robert F. Thorne, Walter Wisura 1977-9-17 50796 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  SBBG47514  Lupinus formosus M. B. Dunkle 1933-7-19 3669 Riverside Tahquitz Valley 2438 Comment
  UC15857  Lupinus formosus H. M. Hall June, 1901 2167 Riverside Thomas Valley; San Jacinto Mountains, Thomas Valley 1371 Comment
  UCD107745  Lupinus formosus Richard Bates 1949-5-21 s.n. Riverside road to Pinon Flats from Idyllwild, San Jacinto Mtns. Comment
  SEINET10903775  Lupinus hirsutissimus David B. Dunn 1947-3-16 Dunn 2917 Riverside Found 100 yds. Se of cabayon in the banning pass. Comment
  RSA0026184  Lupinus latifolius John F. Emmel 1997-8-3 1523 Riverside San Jacinto Mts.; Garner Valley; wash 0.6 air mile northwest of Kenworthy Station. 1372 Comment
  SEINET10489268  Lupinus latifolius subsp. parishii August J. Breitung 1953-5-30 Breitung 15323 Riverside San juan canyon. In live oak grove. Comment
  UCR23967  Lupinus latifolius var. parishii John C. Roos 1950-4-15 4742 Riverside Canyon on the NW side of Pigeon Pass, near Riverside 427 Comment
  RSA87035  Lupinus shockleyi F. W. Peirson 1922-4-18 2434 Riverside Whitewater River, head of Coachella Valley, Riverside County Comment
  JEPS48832  Lupinus sparsiflorus Marjorie D. Clary 1932-5-25 948 Riverside on road to Pinyon Well n Indio (Berdoo Canyon, s slope of Conchilla Range); s slope of Conchilla Range, Berdoo Canyon Comment
  UC68635  Lupinus sparsiflorus H. M. Hall Apr 1905 5891 Riverside Chuckawalla Springs; Colorado Desert, Chuckawalla Springs Comment
  UCR133960  Lupinus sparsiflorus Mitch Provance, J. S. Ross 1998-3-27 MOR- 980 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  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
  UCR86885  Lupinus sparsiflorus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16290 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
  POM254322  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15710 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA522727  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3832 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
  RSA701655  Lupinus sparsiflorus var. arizonicus Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
Read comments
Aug 27 2011
  VVC230  Lupinus succulentus F. Zaebst 1959-3-29 s.n. Riverside 0.2 miles south of Murrietta Hot Springs Rd on W side of US 395 349 Comment
  RSA605684  Lupinus truncatus R. S. Woglum 1938-5-1 1611 Riverside Peninsular Ranges: San Jacinto Valley; Hemet. Comment
  RSA771655  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4913 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR177177  Lupinus truncatus Scott D. White, Michael Honer 2003-4-25 9097 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  GMDRC9807  Lycium andersonii J. M. Andre 2017-3-1 38028 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  JOTR32919  Lycium andersonii Andre, Jim, Tasha La Doux 2009-2-28 10841 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  RSA0094881  Lycium andersonii Jim M. Andre 2012-4-11 20682 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  RSA422102  Lycium andersonii Anstruther Davidson 1897-4-17 449 Riverside Whitewater. Comment
  RSA525266  Lycium andersonii Steve D. Boyd 1990-5-3 4579 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  JOTR34398  Lycium cooperi Andre, Jim 2012-4-16 20932 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 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
  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
  SD204913  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55215 Riverside Santa Ana Mountains region: Southwest of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  RSA191413  Lythrum hyssopifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6615 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA0110187  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2010-4-2 708 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  CLARK-A1528-263  Machaeranthera tephrodes John C. Roos 1951-10-19 5330 Riverside San Jacinto River Comment
  SDSU13822  Madia gracilis W. Miller 1972-8-19 Riverside Comment
  CSUSB1446  Malacothamnus fasciculatus Dean Jones 1966-2-25 Riverside Along creek a few a hundred yards past the road, in canyon, south of Stone Face, in Riverside. 365 Comment
  SBBG4653  Malacothamnus fasciculatus var. fasciculatus H. and M. Dearing 1937-11-28 2815 Riverside S side of Santa Rosa Mtn above Ribbonwood Comment
  LA41779  Malacothamnus fasciculatus var. fasciculatus A. H. Lange; 1951-5-25 sn Riverside Comment
  CAS-BOT-BC345423  Malacothrix clevelandii Edmund C. Jaeger 1921-6-16 s.n. Riverside Near Gregg's Ranch, San Jacinto Mts. Comment
  RSA769772  Malacothrix clevelandii Duncan S. Bell, J. D. England 2010-5-17 1005 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  POM97133  Malacothrix clevelandii P. A. Munz 1925-5-20 9830 Riverside 2 miles W of Dripping Spring. 427 Comment
  CAS-BOT-BC347701  Malacothrix glabrata A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  OBI8208  Malacothrix glabrata David J. Keil, Malcolm McLeod 1977-3-26 12009 Riverside 8 mi NW of Lake Elsinore State Recreation area along CA 71 366 Comment
  POM362315  Malacothrix glabrata N. C. Cooper 1949-3-15 3171 Riverside North of Palm Springs. 121 Comment
  POM362319  Malacothrix glabrata E. Schorr 1973-4-14 28 Riverside State Hwy 86, S of Indio, near State Hwy 195 -7 Comment
  RSA779622  Malacothrix glabrata Duncan S. Bell 2010-4-1 656 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
  UCR104019  Malacothrix glabrata George K. Helmkamp 1998-4-4 3140 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  SEINET269556  Malacothrix saxatilis var. tenuifolia Scott D. White 1996-5-27 4069 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  RSA0121047  Malacothrix stebbinsii Duncan S. Bell, LeRoy Gross 2016-3-29 9120 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
  RSA593977  Malva parviflora D. L. Banks, Elizabeth Hedge Banks 1996-5-2 963 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve, at the junction with the road to the local golf course. 427 Comment
  UCR272498  Malvella leprosa Mitch Provance 2013-6-18 613- 33 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  OBI52753  Marah macrocarpa Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl 381 Comment
  UC28935  Marah macrocarpa W. G. Wright 1892-1 Riverside Colorado Desert Comment
  UC403204  Marah macrocarpa H. M. Hall Aug. 1911 Riverside San Jacinto Mt. Comment
  UCR172807  Marah macrocarpa Abby Sirulnik 2000-5-7 32 Riverside Peninsular Ranges; San Jacinto Mtns., Twin Pines Road, 1.5 mi. off of Calif. Hwy 243, east of McMullen Flat 1189 Comment
  RSA498352  Marina parryi Robert M. Perkins, H. de Forest 1937-3-15 378 Riverside Rice to Desert Center. 122 Comment
  RSA703489  Marina parryi LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1433 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  RSA779802  Marina parryi Duncan S. Bell 2009-3-9 101 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  SBBG53735  Marina parryi C. Epling, H. Lewis 1941-5-2 Riverside Corn Spring, Chuckawalla Mtns Comment
  SEINET4326790 Image available Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Kaiser Road N of US 10 freeway, along bend in road. 207 Comment
  UCR72199  Marina parryi Theo Glenn 1991-5-20 91- 99 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  RSA96892  Marina parryi E. K. Balls 1954-6-18 19536 Riverside Along U.S Hwy 60-70 near Hayfields. Comment
  UCR85594  Marsilea vestita subsp. vestita Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1433 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  UCR22154  Matelea parvifolia J. Zabriskie 1976-6-2 850 Riverside Peninsular Range, Santa Rosa Mtns, along Cactus Springs Trail near Horsethief Creek 1009 Comment
  UCR230200  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  RSA617162  Medicago polymorpha Scott D. White, M. Jacobsmeyer 1996-4-20 3962 Riverside Perris area: Just S of Perris Airport, SE of Goetz Rd. / Mapes Rd. intersection, N of San Jacinto River channel 430 Comment
  POM348037  Medicago polymorpha E. Crow 1929-4-7 313 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  CAS-BOT-BC536067  Medicago truncatula R. E. Riefner, Jr. 2013-3-30 13 -53 Riverside City of Temecula, vicinity of Anza Rd and El Chimisal Rd 413 Comment
  RSA495443  Melica frutescens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2971 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  CAS-BOT-BC281416  Melica imperfecta Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA659631  Melica imperfecta J. C. Roos 1950-4-4 4754 Riverside The summit of Reche Canyon. On 2 year old burn, steep West slope, 0.5 mi. N.E. of the summit. 793 Comment
Read comments
Apr 3 2011
  UC1146070  Melica imperfecta C. L. Hitchcock and C. V. Muhlick 1964-3-17 23101 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UC149807  Melica imperfecta H. M. Hall 1902-4-26 2974 Riverside vicinity Riverside (Box Springs Mt.); Box Springs Mt. 685 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
  SEINET10559686  Melica imperfecta Frank W. Gould 1943-4-17 Gould 2132 Riverside In small clumps on open rocky slopes; 4 miles east of Elsinore Comment
  SEINET10599478  Melica imperfecta Frank W. Gould 1944-4-4 Gould 2207 Riverside In Salvia apiana association 12 miles south of Corona on road to Elsinore. Comment
  SDSU12980  Melilotus albus Michael G. Simpson with Claudia A. Luke 1999-10-27 2018 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  CSUSB1116  Melilotus indicus Holzmiller 1966-4-4 Riverside Mary Knoll Foothills, below water tank. 304 Comment
  VVC233  Melilotus indicus F. Zaebst 1959-4-27 s.n. Riverside Canyon Crest Village 412 Comment
  RSA0035450  Melilotus indicus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 6 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi. W of Hwy 15. Comment
  POM13741  Mentha canadensis E. C. Jaeger 1921-8-21 1164 Riverside Riverside. Comment
  UC1595626  Mentzelia affinis Steve Boyd and Dave Bramlet 1991-5-13 6257 Riverside ESE. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Rd. Winchester; Domenigoni Hills, N Side of Domenigoni-Diamond Valleys 548 Comment
  RSA69703  Mentzelia affinis F. W. Peirson 1928-3-11 7713 Riverside 8 miles SE of Palm Springs, Riverside County. Comment
  RSA457752  Mentzelia californica Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2113 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  JOTR32169  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2321 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  RSA0043029  Mentzelia involucrata Duncan S. Bell, Loraine Washburn 2014-4-8 6575 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  UCSB4226  Mentzelia involucrata Haller, John 1960-4-2 Riverside 1.3 miles south of the junction of US 60-70 and the south entrance road to Joshua Tree Natl. Mon. 487 Comment
  RSA48411  Mentzelia involucrata var. megalantha E. K. Balls 1949-4-2 12896 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
  UCR158503  Mentzelia micrantha A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30022 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
  UCR22118  Mentzelia montana Steve Boyd 1980-5-15 279 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCD149865  Mentzelia veatchiana Harry George 1968-2-21 s.n. Riverside Joshua Tree National Monument. Comment
  UCR241673  Mercurialis annua O. F. Clarke 2010-12-31 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA543947  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-9 6179 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA618162  Micropus californicus D. L. Banks 1997-5-5 2023 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  SD152926  Micropus californicus Steve Boyd, Tim Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains, Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR220325  Microseris douglasii D. E. Bramlet 1992-4-15 2227 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR121813  Microseris douglasii subsp. douglasii A. C. Sanders, Carolyn Washburn 2001-4-17 24049 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR88169  Microseris douglasii subsp. douglasii Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  SEINET13276737 Image available Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-1 315 -27 Riverside Paloma Valley: Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. (Murrieta 7.5' Q.) 450 Comment
  UCR104616  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-30 2299 Riverside Siegal Ranch Road approx. 95 m south of Cajalco Road and 976 m east of the intersection of Cajalco Rd. and Sierra Ave., c. 20 m west of Siegal Ranch Road 451 Comment
  UCR281248  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 38 Riverside Temescal Valley, East side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail. 361 Comment
  RSA656545  Microseris heterocarpa A. C. Sanders 2000-5-25 23407 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA763053  Microseris heterocarpa E. W. Lathrop 1969-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  POM10247  Microseris lindleyi Charlotte M. Wilder 1904-4-23 114 Riverside Jurupa Hills near Riverside. 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
  UCR230188  Microseris lindleyi A. C. Sanders 2011-4-6 38988 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
  RSA192025  Microsteris gracilis subsp. gracilis E. W. Lathrop 1959-4-2 4413 Riverside Cleveland National Forest, Trabuco District, Tenaja Guard Station, slopes of Tenaja Canyon. 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
  SEINET238560  Mimetanthe pilosa George K. Helmkamp 1998-1 4104 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  UC943893  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1896 Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  RSA587176  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-6-2 560 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, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  SDSU10748  Mimulus aurantiacus D. Hunsaker 1962-4-10 Riverside 3 miles SSW from Temecula. Comment
  UC1929959  Mimulus aurantiacus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  RSA0030784  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-7-15 1554 Riverside Palms to Pine Hwy 1463 Comment
  UC943881  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 E Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  RSA221044  Mimulus aurantiacus var. puniceus E. W. Lathrop 1966-4-20 6194 Riverside Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UC886099  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside 5 mi e Desert Center (n base of mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  UC886112  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside ca. 100 yards e Cottonwood Spring; Cottonwood Canyon Comment
  JEPS23554  Mimulus brevipes Peter H. Raven 1958-5-17 12947 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCSC000865  Mimulus cardinalis Peter Kamb 1948-7-11 1199 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  HSC85264  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UCR89473  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Mtns., Cleveland Nationall Forest, Agua Tibia Wilderness Area. south of Vail lake at the an base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Road. 884 Comment
  RSA526135  Mimulus guttatus Steve Boyd, Tim S. Ross 1990-5-11 4648 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR78098  Mimulus palmeri Steve Boyd 1991-5-10 6207 Riverside Santa Ana Mtns, Lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons 854 Comment
  UC1595588  Mimulus parishii Steve Boyd, Tim Ross 1991-6-8 6327 Riverside near Ribbonwood (e side of small hill n of Hwy 74); San Jacinto Mtns., Pinyon Flats area Comment
  CLARK-A1045-159  Mimulus pilosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UCR12281  Mimulus pilosus Art Whistler 1966-5-30 s.n. Riverside Box Springs Mtns., 100 yds. below split of roads to radio station at bottom of slope near Pigeon Pass Road near UCR Campus Comment
  UCR89250  Mimulus pilosus Scott D. White 1995-9-22 3679 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UC454138  Mimulus primuloides I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 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
  UC27010  Mimulus tilingii H. M. Hall Jul. 1901 2472 Riverside Tauquitz Valley San Jacinto Mountains 2590 Comment
  CAS-BOT-BC388774  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  RSA593800  Minuartia pusilla Jeri Hirshberg 1995-5-19 272 Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA170154  Mirabilis albida L. B. Ziegler 1964-07 s.n. Riverside Garner Valley, San Jacinto Mts. NW of Kenworthy Ranger station. 1402 Comment
  RSA716874  Mirabilis laevis A. C. Sanders 2003-4-4 25851 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  CAS-BOT-BC434687  Mirabilis laevis var. crassifolia M. McCollum 1976-6-10 2039 Riverside 8 mi. SSW of Yucca Valley 914 Comment
  SD119893  Mirabilis laevis var. crassifolia Louis B. Ziegler 1978-3-28 580 Riverside San Jacinto Valley. 456 Comment
  POM9665  Mirabilis laevis var. crassifolia P. A. Munz, R. D. Harwood 1920-2-28 3256 Riverside 3 miles west of Corona. 305 Comment
  POM14052  Mirabilis laevis var. retrorsa P. A. Munz, D. D. Keck 1922-4-14 5008 Riverside East of Whitwater Ranch 213 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
  CAS-BOT-BC384087  Mirabilis laevis var. villosa Peter H. Raven 1960-3-16 14844 Riverside 2.2 miles west of Desert Center Comment
  JEPS61316  Mirabilis multiflora var. pubescens W. L. Jepson 1901-5-22 1376 Riverside Palm Canyon and return to <Van Deventer's> Palm Canyon 914 Comment
  UCR77587  Mirabilis multiflora var. pubescens Steve Boyd 1991-9-8 6434 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA408763  Mohavea confertiflora George R. Johnston, G. R. Johnston 1930-4-14 14660 Riverside Shaver's Well Riverside. Comment
  SD233949  Mohavea confertiflora Thomas Stoughton 2011-2-20 740 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 (Mortmar 7.5' USGS) 305 Comment
  CDA6774  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  UC25457  Monardella breweri subsp. lanceolata H. M. Hall 340 Riverside San Jacinto Mountains 2438 Comment
  POM12899  Monardella lanceolata var. lanceolata P. A. Munz 1922-7-3 5945 Riverside [Unspecified] 1372 Comment
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Oct 8 2011
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  RSA0097963  Monardella linoides Duncan S. Bell 2014-11-14 7710 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  LA96078  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 97 Riverside Fuller Mill Creek, Banning-Idyllwild road Comment
  UC1499851  Monardella nana Carl Epling 1941-6-5 Riverside 1/2 miles below Ribbonwood. Pines to Palms Highway Comment
  SEINET4151979 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-1 076 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 0.5 mile beyond canyon where stream crosses road 1944 Comment
  UCR133110  Monardella nana subsp. arida John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  SEINET10928183  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 52 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  POM12850  Monardella nana subsp. tenuiflora P. A. Munz 1922-6-26 5833 Riverside Santa Rosa. 1738 Comment
  RSA750312  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UC1499950  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 96 Riverside 2 mi beyond Stone Creek (Banning-Idyllwild road) Comment
  UC1499961  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 103 Riverside 1/2 mi beyond Black Mt. Spring; Black Mt. Comment
  UCSC001505  Monardella nana subsp. tenuiflora Peter Kamb 1947-6-7 576 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  SEINET10582077  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 43 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  POM183980  Monoptilon bellioides P. A. Munz 1932-3-14 11997 Riverside Palm Springs. 91 Comment
  UCR148442  Monoptilon bellioides John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  POM13812  Montia fontana P. A. Munz 1922-5-21 5521 Riverside Hemet Valley, San Jacinto Mts 1387 Comment
  CLARK-A1528-1279  Muhlenbergia asperifolia John C. Roos 1946-9-14 3002 Riverside San Jacinto Mountains 1066 Comment
  CLARK-A1528-4753  Muhlenbergia microsperma John C. Roos 1966-4-29 Riverside Perris Valley Comment
  SEINET212451 Image available Muhlenbergia microsperma Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-21 6436 Riverside Big Maria Mountains 12 airline miles north of downtown Blythe. 290 Comment
  UC38274  Muhlenbergia rigens H. M. Hall Jun 1 1901-Jul 1 1901 2427 Riverside Tauquitz Valley San Jacinto Mountains 1889 Comment
  UCD87110  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mts. Creek bed adjoining Herkey Creek Camp. 1341 Comment
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May 1 2011
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  SD137972  Muilla maritima Darin L. Banks, Steve Boyd 1995-5-3 269 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of Dripping Springs Alcove Area, along the lower alluvial benches of arroyo Seco. 512 Comment
  UCR3290  Muilla maritima Tom Painter 1964-5-16 5-16-64- 01 Riverside San Bernardino Valley/Perris-Aguanga Basin, Box Springs Mtn., 1.2 mi SW of intersection of Pigeon Pass Road and Box Springs Road 765 Comment
  CAS-BOT-BC83351  Myosurus minimus Robert F. Thorne; Earl Lathrop 1969-5-12 37949 Riverside Santa Rosa Plateau-Mesa de Colorado, Rancho California. 624 Comment
  SBBG34746  Myriopteris viscida J. G. Lemmon -Apr- Riverside bluffs of White Water River on the Colorado Desert; ISOTYPE Comment
  UCD138165  Najas marina Richard Yeo 1977-6-17 s.n. Riverside Canyon Lake, ca. 3.5 miles southeast of Arlington. Comment
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Dec 2 2014
  UCR254220  Nama demissa Dave Silverman, Onkar Singh 2010-3-26 7838 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 1.0 km east of Black Creek Rd, 5.6 km west of McCoy Wash, and 8.6 km north of I-10 152 Comment
  UC880818  Nama demissa var. demissa C. L. Hitchcock 1940-3-29 5866 Riverside ca 100 yeads e spring Cottonwood Canyon (Cottonwood Canyon); , e of Spring Comment
  POM14413  Nassella cernua P. A. Munz 1922-7-4 5970 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA586486A  Nassella cernua D. L. Banks, Steve Boyd 1995-5-9 343 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
  RSA496363  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3037 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  SEINET3523241 Image available Nasturtium officinale Diane L. Ill 1985-5-12 40 Riverside Gavilan Hills, Hartford Springs, 1.6 miles south of Cajalco Road on Gavilan Road. Right side of road along Spring. Comment
  UCR154763  Navarretia atractyloides T. B. Salvato, Kent Beaman 2005-5-16 788 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR158284  Navarretia atractyloides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30109 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
  RSA642462  Navarretia fossalis Stan C. Spencer 1994-4-16 4416 -21 Riverside From Winchester E 2 mi to California Av then N ca 1 mi to Stowe Rd NW of inters 20 m. Comment
  UCR62383  Navarretia fossalis Don Mitchell 1990-6-1 s.n. Riverside About 1.5 mi. west of Lakeview, in small bulldozer-made ponds, north of Ramona Expressway, and about 200 yd. west of the San Jacinto River. 427 Comment
  UCR70681  Navarretia fossalis D. E. Bramlet 1991-6-1 2170 Riverside Perris-Aguanga Basin region, San Jacinto River, about 2.2 km west of Lakeview, within the riverbed, 1 mi north of MWD (Colorado Aqueduct) easement road 473 Comment
  UCR90771  Navarretia fossalis D. E. Bramlet 1993-5-8 2344 Riverside San Jacinto Wildlife area. 274 m south of the headquarters building, 122 m east of Davis Rd. and 168 m north of old San Jacinto River channel 434 Comment
  POM122127  Nemacaulis denudata var. denudata S. B. Parish 1906-5-1 s.n. Riverside Palm Springs. Comment
  UCR279408  Nemacladus A. C. Sanders, Jim Malusa 2017-3-25 42995 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SEINET10458394  Nemacladus longiflorus Boyd 1986-4-22 BOYD 1753 Riverside Temescal Canyon: Alluvial benches of Indian wash just south of Interstate 15 Comment
  RSA771691  Nemacladus longiflorus var. breviflorus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4687 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  POM4574  Nemacladus longiflorus var. longiflorus S. B. Parish 1917-6-11 11304 Riverside Santa Ana River. Comment
  RSA586311  Nemacladus longiflorus var. longiflorus D. L. Banks, S. D. Boyd 1995-5-3 0222 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  POM145372  Nemacladus ramosissimus P. A. Munz 1927-5-20 10810 Riverside 10 miles S. of Hemet. Comment
  RSA525252  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1990-5-11 4630 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA85407  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  POM433290  Nemacladus sigmoideus M. B. Dunkle 1933-5-6 3443 Riverside Painted Canyon. Comment
  UC64327  Nemacladus sigmoideus H. M. Hall Jun 1901 2046 Riverside vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR279599  Nemacladus tenuis var. aliformis A. C. Sanders, Jim Malusa 2017-3-28 43138 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR236902  Nemophila menziesii var. integrifolia Duncan S. Bell, Valentin Arvizu 2010-5-10 977 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  UCR166719  Nicotiana clevelandii Scott D. White, Jennifer H. Jones 2005-4-12 10867 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  RSA614411  Nicotiana glauca D. L. Banks 1997-3-16 1544 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  JOTR30058  Nicotiana obtusifolia La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1690 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  RSA264605  Nicotiana obtusifolia C. R. Orcutt 1889-04 1464 Riverside Colorado Desert. Comment
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Sep 7 2011
  UCR256324  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Canyon, c. 1.5 air miles southwest of Hidden Spring 129 Comment
  UCSB41263  Nicotiana obtusifolia Cowan, Clark 1978-4-23 Riverside 2.7 mi (4.3 km) S on Hwy 74 from its jct w/ Hwy 111 at Indian Wells, Whittaker transect #W-218 210 Comment
  JEPS12368  Nicotiana quadrivalvis W. L. Jepson May 17 1901-Jun 1 1901 1233 Riverside mesas e Riverside Comment
  UCR92278  Nicotiana quadrivalvis Scott D. White, M. A. Patten 1995-8-16 3552 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  SBBG32470  Notholaena californica L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  UC422970  Oenothera F. M. Reed 1903-10-2 264 Riverside 547 Chicago Ave. Riverside Comment
  LA206122  Oenothera avita subsp. avita A. W. Haupt; April 1926 sn Riverside Palm Springs Comment
  POM355281  Oenothera californica subsp. californica N. C. Cooper 1944-5-6 116 Riverside Banning. 701 Comment
  RSA192049  Oenothera californica subsp. californica E. W. Lathrop 1960-5-7 5243 Riverside Murrieta. Comment
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Mar 14 2014
  SDSU13602  Oenothera californica subsp. californica W. Miller Riverside Comment
  UCR201493  Oenothera californica subsp. californica Scott D. White, Justin M. Wood 2008-5-15 11972 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  POM187409  Oenothera elata subsp. hirsutissima L. Crutcher 1933-8-2 13 Riverside Camp Tahquitz, San Jacinto Mountains. 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
  RSA784726  Oligomeris linifolia Duncan S. Bell 2012-3-18 3213 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA0014648  Olneya tesota April Garbat, Sarah J. De Groot 2013-4-24 55 Riverside Chuckwalla Valley Rd W of Graham Pass Rd. Both sides of the road. 189 Comment
  SBBG3753  Olneya tesota M. A. Piehl 1959-7-26 59460 Riverside US Hwy 60, 70 ca. 42 mi E of Indio Comment
  CDA7119  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinton Keith Road. Comment
  UCR252209  Oncosiphon piluliferum J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  SEINET10447233  Opuntia basilaris Billy Joe Cox 1976-1-7 Cox 4232 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  UC592964  Opuntia bigelovii Carl B. Wolf 1932-10-12 4301 Riverside about 4 mi e El Dorado Queen Mine (nw end of basin); Colorado Desert, Pinto Basin 914 Comment
  CAS-BOT-BC59013  Opuntia littoralis Carl B. Wolf 1938-6-11 9421 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA775262  Opuntia littoralis var. littoralis Michael Wall 2010-9-10 593 Riverside Bautista Creek off Bautista Canyon Road, ca. 6.6 miles SE of junction with Fairview Avenue. 751 Comment
  POM20705  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1938-9-29 9458 Riverside Desert slope of San Jacinto Range, Upper edge of Pinyon flat on the Palms to Pines Highway. 1220 Comment
  RSA623869  Orcuttia californica Jon E. Keeley 1985-7-31 7968 Riverside Mesa de Colorado, Santa Rosa Plateau. 610 Comment
  UCR35210  Orobanche californica subsp. feudgei L. B. Ziegler 1972-6-14 483 Riverside San Jacinto Mtns, Hemet (= Garner) Valley. 1402 Comment
  JEPS70888  Orobanche cooperi L. R. Heckard 1973-4-24 3321 Riverside 16.3 mi n of Desert Center (on road to Rice) 243 Comment
  UC68719  Orobanche cooperi H. M. Hall 1905-5-1 5991 Riverside Colorado Desert near Indio; Colorado Desert 30 Comment
  UC887970  Orobanche cooperi C. L. Hitchcock 1940-4-4 5940 Riverside Pinto Basin Comment
  RSA0066571  Orobanche cooperi subsp. cooperi H. U. Stauffer, Robert F. Thorne 1964-5-5 5924 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  UCR104925  Orobanche fasciculata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20657 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
  RSA434256  Paeonia californica Christopher Davidson 1973-4-1 1805 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  UCR16463  Paeonia californica David M. Peterson 1966-3-6 660306- 2 Riverside Santa Ana Mtns., San Juan Canyon between Lion Canyon and Long Canyon, near the Ortega Highway. 610 Comment
  UCR59685  Paeonia californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2964 Riverside Peninsular Range, Vail Lake area, lower slope of Oak Mountain, 1.5 mi. WSW of lake. 640 Comment
  CAS-BOT-BC327891  Palafoxia arida Marcus E. Jones 1906-4-30 s.n. Riverside Indio Comment
  RSA784948  Palafoxia arida Duncan S. Bell 2012-2-12 3126 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET10799054  Palafoxia arida David B. Dunn 1948-2-21 Dunn 3674 Riverside Seedlings; Pushawalla; a rain about two weeks earlier in wash. Hills are still quite dry. Comment
  SEINET10875583  Palafoxia arida David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3725 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UC577424  Palafoxia arida var. arida J. and H. W. Grinnell 1937-11-30 1089 a Riverside lakebed 24 mi w Blythe; Ford Dry Lake Comment
  UCR196382  Palafoxia arida var. arida Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1419 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  CAS-BOT-BC253899  Panicum urvilleanum John Thomas Howell 1928-3-11 3442 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  CAS-BOT-BC274191  Pappostipa speciosa Peter H. Raven 1958-5-6 12927 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert, San Jacinto Mountains Comment
  CLARK-A1045-123  Parietaria floridana George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  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
  SEINET273060 Image available Parietaria hespera A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area;along foot trail at W base of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reser. 518 Comment
  UCD111487  Parietaria hespera var. californica A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24172 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 502 Comment
  RSA737261  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR33644  Parkinsonia aculeata Faulkner 1978-4-27 478 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  RSA0112102  Parkinsonia florida Duncan S. Bell 2009-10-9 485 Riverside Northwest of the Arica Mountains. 281 Comment
  RSA698038  Parkinsonia microphylla W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  UCR109746  Paspalum distichum R. E. Orth 1963-8-1 s.n. Riverside Peninsular Range, Temecula Area, Vail Lake 457 Comment
  UCR119804  Paspalum distichum A. C. Sanders, Mitch Provance 1999-9-26 23090 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA0049953  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail. 151 Comment
  RSA0104080  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-28 7664 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  UCR34953  Pectis papposa L. B. Ziegler 1964-9-2 035 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  GMDRC3106  Pectis papposa var. papposa J. Andre, T. La Doux 2008-9-13 10268 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  UCR100330  Pectis papposa var. papposa George K. Helmkamp 1997-11-1 2515 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  CAS-BOT-BC169751  Pectocarya anisocarpa H. M. Hall 1902-4-22 2943 Riverside Vicinity of Riverside 396 Comment
  RSA0121029  Pectocarya heterocarpa Duncan S. Bell, LeRoy Gross 2016-3-29 9109 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
  SEINET3196396 Image available Pectocarya heterocarpa Andrew C. Sanders 2010-3-22 37516 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UCD120120  Pectocarya heterocarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1429 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  UCR172192  Pectocarya linearis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR225713  Pectocarya linearis A. C. Sanders 2011-3-30 38914 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
  HSC3748  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-15 24150 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  VVC2877  Pectocarya linearis subsp. ferocula Tim Thomas, P. J. MacKay 2010-4-12 5047 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UCR213612  Pectocarya penicillata A. C. Sanders, Matthew Malle 2010-4-23 38004 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR163141  Pectocarya peninsularis A. C. Sanders, G. K. Helmkamp & P. J. MacKay 1995-3-12 16085 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  JOTR35041  Pectocarya recurvata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3494 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
  JOTR35211  Pectocarya recurvata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3479 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road (Stop 1) Comment
  RSA768410  Pectocarya recurvata J. Andre, T. La Doux 2009-2-25 10816 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UC1563038  Pectocarya recurvata Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3041 Riverside 0.75 mi nw dam (s flank of Oak Mountian); Vail Lake area 621 Comment
  JOTR31974  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2210 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA543594  Pectocarya setosa Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6146 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR135726  Pectocarya setosa Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9031 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA750884  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Riverside, residence at 1009 Bascomb Drive 305 Comment
  RSA180363  Pellaea andromedifolia var. andromedifolia E. W. Lathrop 1960-6-7 4864 Riverside 14 miles W of Murrieta Comment
  CAS-BOT-BC422327  Pellaea mucronata subsp. mucronata Andrew Townesmith; Karen M. Meyer; Tracy Scott 2007-3-17 693 Riverside San Bernardino National Forest, San Jacinto Ranger District. Lake Hemet fishing access, 1.2 miles west of route 74 on Forest Service road 6S15. 1334 Comment
  UCR215594  Pellaea mucronata var. californica Jim Andre, T. La Doux 2008-9-16 10703 Riverside Mojave Desert, Joshua Tree National Park, on the southeast end of Splitock Picnic Area 1290 Comment
  RSA125967  Pellaea mucronata var. mucronata E. K. Balls, Percy C. Everett 1957-11-4 22751 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  UC1080396  Pellaea mucronata var. mucronata E. K. Balls and P. C. Everett 1957-8-20 22673 Riverside 14.7 mi sw and w along State Hwy 74 from Palm Village (junction with State Hwy 111) 1127 Comment
  UC54993  Penstemon X parishii H. M. Hall 1897-5-19 567 Riverside canyon of the San Jacinto River San Jacinto Mountains, canyon of San Jacinto River (Southern California) 914 Comment
  RSA97020  Penstemon centranthifolius R. M. Straw 1953-6-4 445 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
  UCR132895  Penstemon clevelandii Ina Lengyel 1997-5-27 s.n. Riverside San Jacinto/Santa Rosa Mtns., Hwy 74 between Ribbonwood and Santa Rosa Mtn. Road 1341 Comment
  NY583961  Penstemon clevelandii var. connatus C. B. Wolf 1939-9-29 9461 Riverside Desert slopes of San Jacinto Range, 1 2/10 mile above Ribonwood on the Palms-Pines road. 1280.2 Comment
  RSA788347  Penstemon heterophyllus var. heterophyllus Linda M. Prince, Duncan S. Bell 2009-6-17 574 Riverside Cleveland National Forest. Helipad. Comment
  POM11256  Penstemon labrosus Philip A. Munz 1922-6-27 5841 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  RSA0051800  Penstemon spectabilis Nancy Anderson 1955-5-21 s.n. Riverside Banning. 914 Comment
  NY661160  Penstemon spectabilis var. spectabilis A. J. McClatchie 1892-4-27 s.n. Riverside Near Elsinore Comment
  NY661184  Penstemon spectabilis var. spectabilis C. B. Wolf 1938-6-11 9417 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  UCR193118  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  JOTR35930  Peritoma arborea De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6878 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  LA204569  Peritoma arborea E. C. Parke; 1941-5-7 Riverside White Water Comment
  JOTR32165  Peritoma arborea var. angustata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2317 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  SBBG55711  Perityle emoryi D. Keil, M. McLeod, D. Walters 1977-3-28 12078 -2 Riverside Pinto Basin Rd, 11 mi S of northern park boundary Comment
  UC1478692  Perityle emoryi Barry Prigge with L. Martinez 1978-3-23 2415 Riverside 1.2 mi e Sky Valley (near Dillon X Skyridge Roads); nw Colorado Desert 335 Comment
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  POM12019  Petalonyx linearis E. C. Jaeger 1921-04 1198 Riverside Thousand Palm Canyon. Comment
  CLARK-A1528-611  Petalonyx thurberi Steven J. Southwell 1971-5-1 Riverside Thousand Palms Oasis 152-304 Comment
  RSA445164  Petalonyx thurberi N. C. Cooper 1944-7-15 1574 Riverside Palms to Pine Hwy 152 Comment
  CAS-BOT-BC326763  Peucephyllum schottii Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  RSA220393  Peucephyllum schottii C. W. Tilforth, John Dourley 1971-4-15 347 Riverside Ca. 7 miles NNE of Desert Center, Valley floor SE of Eagle Mountains. Comment
  RSA471975  Peucephyllum schottii M. B. Dunkle 1933-3-4 3069 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA747718  Peucephyllum schottii Justin M. Wood 2009-3-26 399 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  POM13267  Phacelia ambigua E. C. Jaeger 1922-3-4 1103 Riverside Painted Canyon near Mecca. Comment
  UC284214  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak Santa Ana Mts. 1066 Comment
  UC1518620  Phacelia campanularia subsp. campanularia Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55439 Riverside talus slope e bridge (mouth of canyon, e of Whitewater Post Office at s end of bridge); San Bernardino Mts., Whitewater Canyon 411 Comment
  JEPS2213  Phacelia campanularia subsp. vasiformis W. L. Jepson 1928-4-25 12571 Riverside Cottonwood Spr. Colorado Desert, Eagle Mts. 731 Comment
  UCR117619  Phacelia cicutaria var. hispida Scott D. White 1997-5-25 5245 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR139026  Phacelia cicutaria var. hispida D. L. Banks 1997-4-5 1686 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR214569  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37850 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  RSA781749  Phacelia crenulata Duncan S. Bell 2011-12-30 3043 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
  SEINET9296429  Phacelia crenulata Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  POM199146  Phacelia distans Donald A. Johansen, Joseph A. Ewan 1932-4-11 7067 Riverside Mouth of Tahquitz Canyon. Comment
  POM3763  Phacelia distans H. M. Hall 1902-4-22 2953 Riverside Vicinity of Riverside 366 Comment
  RSA444556  Phacelia distans Walter Wisura 1988-3-1 4200 Riverside Black Eagle Mine Rd., just outside the boundry of Josua Tree Natl. Mon., Comment
  RSA516422  Phacelia distans Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4429 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  RSA559958  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA757726  Phacelia distans LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4357 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
  SD130319  Phacelia distans Ed LaRue 1990-4-13 Riverside 0.5 mile northwest of town of Aguanga, north of Highway 79 and west of Highway 371. 1.5 mile north of San Diego County line. 640 Comment
  SD217310  Phacelia distans Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 938 Riverside Northwest Palomar Mountains; northwest foothills of Dorland Mountain, south end of Los Caballos Road, University of California-Emerson Oaks Reserve. 448 Comment
  UC68750  Phacelia distans H. M. Hall Apr. 1905 5794 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR104929  Phacelia distans A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20641 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
  UCR168241  Phacelia distans P. A. Munz 1949-4-11 13022 Riverside Southern Mojave Desert, near Conejo Well, north base of Eagle Mtns. 915 Comment
  UCR174945  Phacelia distans Jennifer H. Jones, Toby Bartels 2006-4-23 279 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 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
  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
  POM12124  Phacelia imbricata subsp. patula Mary F. Spencer 1921-6-21 1237 Riverside Edge of woods, Idyllwild, San Jacinto Mt. 1616 Comment
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 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. 561 Comment
  UC1021341  Phacelia ivesiana var. pediculoides Harlan Lewis and Margaret Lewis March 1955 Riverside 2 mi e school (on road to Clark Lake); Borrego Valley Comment
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Feb 19 2013
  RSA271891  Phacelia minor C. W. Tilforth 1978-4-30 1563 Riverside Low, rounded hills east of Norco. Comment
  RSA519232  Phacelia minor Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA699774  Phacelia minor Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  POM13092  Phacelia mutabilis E. C. Jaeger 1921-6-14 s.n. Riverside Between Deep Creek and Gregg s Ranch. 1616 Comment
  POM14110  Phacelia neglecta P. A. Munz, D. D. Keck 1922-4-9 4873 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  CAS-BOT-BC145001  Phacelia ramosissima var. latifolia John Thomas Howell 1927-8-2 2906 Riverside A few miles south of Banning on road to Strawberry Valley of Mt. San Jacinto 670 Comment
  SEINET4080506  Phacelia ramosissima var. latifolia C. Davidson 1975-1 2820 Riverside Roughly two miles south of Banning on road R1 to Idyllwild; roughly 20 feet from road. 822 Comment
  UCR1457  Phacelia ramosissima var. suffrutescens R. D. Keys 1973-5-13 s.n. Riverside Box Springs Mtns, 0.5 - 1 mi from end of Box Springs Ridge Road. 915 Comment
  SEINET5499544  Phacelia vallis-mortae H. M. Hall 1897-3-27 415 Riverside Sage Comment
  RSA554297  Phalaris minor Scott D. White 1992-2-25 92 -15 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UCR139629  Phalaris paradoxa A. C. Sanders 2004-6-30 28398 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  SEINET186318 Image available Philadelphus microphyllus var. stramineus Philip A. Munz 1938-1 15392 Riverside Ridge east of Toro Peak, Santa Rosa Mountains. 2438 Comment
  UCR237873  Phlox gracilis Mark A. Elvin 2003-3-26 2365 A Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  UCR151223  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside Peninsular Ranges; Perris-Aguanga Basin region, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  RSA796323  Pholisma arenarium Duncan S. Bell 2009-4-18 216 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
  JEPS1862  Pholistoma membranaceum Samuel B. Parish 1882-1 Riverside Cabezon Colorado Desert, Cabezon Comment
  CAS-BOT-BC135075  Phoradendron californicum Ivan Johnston 1917-4-4 1061 Riverside Palm Canyon 289 Comment
  POM311756  Phoradendron californicum Karen Hosterman 1958-3-28 1240 Riverside Canyon to W. of road leading to and app./ 0.5 mi. before turnoff to cottonwood springs. Comment
  RSA703485  Phoradendron californicum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1465 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR120716  Phoradendron californicum Helen Kennedy, T. B. Salvato 2002-2-2 5455 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR272295  Phoradendron californicum Duncan S. Bell, Sarah J. De Groot, Cheryl Sevilla 2015-2-10 7749 Riverside Santa Rosa Mountains, a narrow unnamed canyon c. 2 air miles south of La Quinta, and c. 5.0 air miles northeast of the summit of Martinez Mountain 266 Comment
  RSA604872  Phoradendron densum Scott D. White 1995-12-24 3796 Riverside Perris-Aguanga Basin region: Lakeview Mountains. Juniper Flats Rd. ca. 1 1/2 road miles N of jct. w/ SR 74. 610 Comment
  RSA717208  Phoradendron densum A. C. Sanders 2004-4-2 27429 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR88733  Phoradendron densum A. C. Sanders 1995-4-13 16482 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCD102236  Phoradendron leucarpum subsp. tomentosum A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy. 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza. 1441 Comment
  POM161532  Phoradendron libocedri Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  CLARK-A1528-4421  Phoradendron longispicum John C. Roos 1952-3-26 5420 Riverside Riverside 259 Comment
  SD155415  Phoradendron pauciflorum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, north of east-west fire road, below peak. Comment
  CAS-BOT-BC171155  Phoradendron serotinum subsp. tomentosum Edmund C. Jaeger 1922-8-15 s.n. Riverside Chino Canon [Canyon], San Jacinto Mountains Comment
  RSA559455  Phoradendron villosum Steve D. Boyd, Tim S. Ross 1992-5-5 7212 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA790779  Phoradendron villosum M. E. Fishbein, Victor W. Steinmann, Ivonne Steinmann, J. Mark Porter, Stephen Dreher 1999-12-4 4096 Riverside Santa Rosa Mtns: Deep Canyon, just east of California 74. 976 Comment
  RSA24221  Phragmites australis C. B. Wolf 1941-1-2 9813 Riverside East side of Salton Sea, half way between Date Palm Beach and Salton Sea -70 Comment
  POM126318  Physalis crassifolia Martha Hilend 1927-4-2 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  RSA423828  Physalis crassifolia H. de Forest 1925-4-17 s.n. Riverside Cabazon. Comment
  RSA79895  Physalis crassifolia F. W. Peirson 1921-3-20 4485 Riverside Andreas Canyon, near Palm Springs 244 Comment
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Oct 18 2007
  UC1506123  Pinus jeffreyi R. T. Clausen 1963-4-24 63065 Riverside summit Thomas Mt; Transverse Ranges, San Jacinto Mts., Thomas Mt 2080 Comment
  UCSB70  Pinus jeffreyi Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  RSA651153  Pinus monophylla Peter Gail 1961-5-13 sn Riverside Pinyon Creek State Park. on Palms to Pines Hwy. Comment
  CAS-BOT-BC79092  Pinus quadrifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 286 Riverside beside Hwy 74 east of Anza turnoff; San Jacinto Mts. 1371 Comment
  SEINET10530818  Pinus quadrifolia David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46551 Riverside Native tree in the San Jacinto Mts. of southern Calif. in Pinyon-Juniper woodland. Along the Palms to Pines Hwy. 1829 Comment
  RSA619552  Piperia cooperi Darin L. Banks 1997-5-5 2000 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA382777  Piperia transversa Robert L. Dressler 1944-7-16 1555 Riverside San Jacinto Mountain, above Pine Cove. San Jacinto Mountains. 2073 Comment
  CLARK-A1528-5814  Pityrogramma triangularis John C. Roos 1952-2-29 5362 Riverside Box Springs Mountains 457 Comment
  UCR281115  Pityrogramma triangularis Mitch Provance, Jeremiah George 2017-3-21 317- 13 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
  POM10457  Plagiobothrys arizonicus Charlotte M. Wilder 1907-4-6 s.n. Riverside Cabazon, San Gorgonio Pass. Comment
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Sep 4 2011
  RSA715761  Plagiobothrys canescens A. C. Sanders 2005-4-22 29598 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR127554  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2003-5-21 26798 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
  RSA9016  Plagiobothrys canescens P. A. Munz, R. D. Harwood 1920-3-20 3383 Riverside 5 miles S of Corona. 305 Comment
  RSA517931  Plagiobothrys collinus var. californicus Steve Boyd 1986-3-1 1370 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR182164  Plagiobothrys collinus var. californicus Mitch Provance 2003-4-5 6608 Riverside San Bernardino Valley, SW extreme of the Jurupa Mountains, Glen Avon, slopes N of the northern extreme of Campbell St 274 Comment
  UCR250567  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-25 41068 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  RSA0057864  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 Riverside 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 311 Comment
  UCR250216  Plagiobothrys collinus var. fulvescens A. C. Sanders 2014-4-8 40980 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCR263653  Plagiobothrys jonesii David Fraker, Aaron C. Sedgwick 2012-3-22 029 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR111996  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2000-5-25 23421 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
  UCR241410  Plagiobothrys leptocladus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7442 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR266326  Plagiobothrys leptocladus D. E. Bramlet 1991-4-29 2083 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UC1930012  Plagiobothrys tenellus Scott D. White, Justin Wood 2008-5-15 12000 Riverside San JAcinto Mountains: Johnson Meadow. Comment
  UCR19085  Plantago erecta John C. Roos 1952-4-2 5461 Riverside Box Springs Mtns, Box Springs grade east of Riverside. 427 Comment
  UCR228908  Plantago erecta A. C. Sanders 2011-4-7 39035 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  JEPS22326  Plantago ovata Peter H. Raven 1958-1-24 11460 Riverside Fargo Canyon Comment
  RSA776694  Plantago ovata Duncan S. Bell, Amanda Turek 2010-4-10 789 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR148852  Plantago ovata Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  VVC2468  Plantago ovata Tim Thomas 2013-3-18 5929 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  JOTR35344  Plantago ovata var. fastigiata Harding, Mitzi, Mark Wheeler 2012-2-28 111 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  POM68827  Plantago ovata var. fastigiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA27476  Plantago ovata var. fastigiata I. L. Wiggins 1941-3-24 3588 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
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Feb 20 2013
  RSA402030B  Plantago ovata var. fastigiata E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert Comment
  SD258963  Plantago ovata var. fastigiata Sarah J. De Groot, Thomas Stoughton 2016-2-18 7612 Riverside Mecca Hills; side canyon (east fork) of Painted Canyon. 181 Comment
  UCSB7471  Plantago ovata var. fastigiata Atsatt, Pete 1958-3-22 Riverside 8 miles east of Desert Center on highway 60 & 70; N. side of road Comment
  UCR174245  Platanus racemosa A. C. Sanders, T. B. Salvato 2006-6-2 33073 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  POM9293  Platanus racemosa P. A. Munz, R. D. Harwood 1920-3-20 3374 Riverside 5 miles S of Corona 305 Comment
  RSA691063  Platystemon californicus Scott D. White, Michael Honer 2003-4-9 8981 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  SD137591  Plectritis ciliosa Darin L. Banks 1995-5-9 388 Riverside Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove area, W of Woodchuck Campground 701 Comment
  UCR26983  Plectritis ciliosa E. W. Lathrop 1966-4-27 6213 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and San Mateo Canyon, Cleveland National Forest. 1220 Comment
  POM8116  Pleuraphis rigida Mary F. Spencer 1920-3-27 1533 Riverside Palm Springs Comment
  RSA0019778  Pleuraphis rigida April Garbat, Rachel Poutasse 2013-3-20 10 Riverside Graham Pass Rd, S 5 miles from junction with Chuckwalla Rd. In drainage/wash to west of rd, 1 mile S of power lines. 145 Comment
  UCD134964  Pleurocoronis pluriseta C. L. Hitchcock 1966-3-21 24339 Riverside at summit of pass through Sheep Hole Mts., about 40 miles south of Amboy. Comment
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Mar 1 2014
  CAS-BOT-BC326535  Pluchea sericea Munz; Street; Williams 1919-3-25 2320 Riverside Palm Canyon, Palm Springs Comment
  CAS-BOT-BC326539  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  UCR99857  Poa annua Scott D. White 1993-3-3 1107 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA92436  Poa bigelovii F. W. Peirson 1921-3-22 2392 Riverside Murray Canyon near Palm Springs. 457 Comment
  CAS-BOT-BC254571  Poa fendleriana subsp. longiligula H. M. H. 1901-5-17 1913 Riverside Santa Rosa Mountain 2590 Comment
  RSA741114  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  RSA747875  Poa pratensis Justin M. Wood 2009-5-11 693 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  SEINET1911032  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12260 Riverside San Jacinto Mountians: Meadows at Baldy Mtn. 1585 Comment
  UCR138764  Poa pratensis Scott D. White 1997-5-18 5163 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  RSA771659  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4907 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
  UCR29264  Poa secunda A. C. Sanders, K. Berg 1980-5-1 1360 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  SDSU18665  Poa secunda subsp. secunda C. Matt Guilliams, Jeannine Ross 2008-3-5 494 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UCD91780  Poa secunda subsp. secunda F. W. Peirson 1921-3-22 5368 Riverside Murray Canyon, Colorado Desert. 396 Comment
  OBI5814  Polemonium pulcherrimum C. B. Wolf 1928-7-28 3042 Riverside Summit wolf creek, Pass Juan Mountains. Mineral Co. 3322 Comment
  RSA678954  Polycarpon tetraphyllum Scott D. White, Michael Honer 2003-6-3 9460 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR112479  Polygonum argyrocoleon A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23327 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR106332  Polygonum aviculare John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  CDA22826  Polygonum lapathifolium P. Gordon-Reedy 1996-1 s.n. Riverside Shores of Lake Skinner. 0 Comment
  RSA736306  Polypogon interruptus Scott D. White, Justin M. Wood 2008-5-13 11953 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCR156101  Polypogon monspeliensis T. B. Salvato, Kent Beaman 2005-5-16 846 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR201705  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-6-16 12113 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR235080  Populus fremontii A. C. Sanders, John F. Green 2012-6-1 40233 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, SE of I-15 junction with Horsethief Cyn. Rd., 7 miles N of Lake Elsinore 381 Comment
  RSA799070  Populus fremontii subsp. fremontii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6866 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  CAS-BOT-BC356158  Porophyllum gracile Steve Boyd 1992-4-14 6830 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail 792 Comment
  JOTR31820  Porophyllum gracile La Doux, Tasha, Bill Truesdell 2007-11-9 2526 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
  JOTR31986  Porophyllum gracile La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2220 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; small bowl with underground water seep at top of bouldery canyon 815 Comment
  POM121859  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  UCR35169  Potentilla glandulosa subsp. reflexa L. B. Ziegler 1968-6-13 314 Riverside Peninsular Ranges, San Jacinto Mtns: Hemet (Garner) Valley region, upper Herkey Creek area, beyond May Valley 1616 Comment
  RSA0005686  Potentilla hassei H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  SJSU5255  Prenanthella exigua R. C. McGehee 1970-4-15 205 Riverside Wileys Well, 26 mi SW of Blythe Comment
  RSA0013897  Proboscidea althaeifolia Scott D. White, Justin M. Wood 2005-10-4 11235 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  SEINET3365546  Proboscidea althaeifolia G. Rink 2011-10-6 11077 Riverside East of the McCoy Mountains, northwest of Blythe 150 Comment
  UCR242297  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40423 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UCR280431  Proboscidea althaeifolia Onkar Singh 2015-11-10 5612 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2.5 km north of Desert Center, on west margin of Kaiser Road 50 meters south of Oasis Rd. 231 Comment
  UCR278853  Proboscidea louisianica Mitch Provance 2012-7-14 712- 24 Riverside San Gorgonio Pass, Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy. 243. 689 Comment
  RSA0105950  Prosopis glandulosa var. torreyana Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  RSA522100  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross 1989-8-28 3793 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SEINET858920  Prosopis glandulosa var. torreyana M. F. Wojciechowski 2000-1 875 Riverside Ca. 5 miles north of Blythe along US highway 95, in low, sandy area adjacent to Colorado River. Comment
  UC65756  Prosopis pubescens E. E. Schellenger 1904-10-18 56 Riverside Dos Palmas; Colorado Desert Comment
  UCR17888  Prosopis velutina Steve Boyd 1978-8-30 133 A Riverside Peninsular Range, Pauba Valley. Hwy 79, 3.7 mi east of Interstate Hwy 15E. 335 Comment
  UC472697  Prunus emarginata M. F. Spencer 1924-5-31 Riverside Upper Tahquitz Valley, San Jacinto Mountains Upper Tahquitz Valley; San Jacinto Mountains, Upper Tahquitz Valley 2438 Comment
  UC489222  Prunus emarginata C. V. Meyer 1928-7-31 606 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2286 Comment
  RSA699170  Prunus ilicifolia J. Russell Bruff 1929-12-27 443 Riverside Mission Canon. Comment
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Nov 9 2011
  SEINET3077276 Image available Prunus ilicifolia H. S. Gentry 1954-7-25 14244 Riverside NW of Aguanga along road to Sage. Comment
  UCR81107  Prunus virginiana Scott D. White 1993-5-29 1451 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  CAS-BOT-BC356347  Psathyrotes ramosissima H. M. Hall 1905-4-1 5864 Riverside Nr. Chuckawalla [Chuckwalla] Comment
  UCSB36484  Psathyrotes ramosissima Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns., Corn Springs Wash 457 Comment
  UCR92399  Pseudognaphalium biolettii F. M. Reed 1903-3-10 214 Riverside South Coast; San Bernardino Valley, W base of Box Spring Mtns. 366 Comment
  RSA234029  Psilocarphus brevissimus R. F. Thorne, E. W. Lathrup 1969-5-19 37978 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  UCR220329  Psilocarphus brevissimus D. E. Bramlet 1992-4-15 2224 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR18981  Psoralea physodes John C. Roos 1960-5-30 s.n. Riverside Santa Ana Mtns., Ridge north of Bedford Peak. 1220 Comment
  CAS-BOT-BC353586  Psorothamnus arborescens var. simplicifolius Marcus E. Jones 1925-9-7 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC353590  Psorothamnus arborescens var. simplicifolius Carl B. Wolf 1932-5-25 3680 Riverside N base of San Jacinto Mountains, Snow Creek Canyon, 1 mile below fish hatchery 396 Comment
  JEPS41711  Psorothamnus arborescens var. simplicifolius W. L. Jepson and H. M. Hall 1901-5-22 1348 Riverside Palm Canyon and return to Van Deventers Comment
  RSA705962  Psorothamnus arborescens var. simplicifolius Michael Wall, Stephanie Wall 2005-7-29 399 Riverside Valle Vista, San Jacinto River, north side of Hwy 74 across from Schultz Drive ca. 1.5 miles east of Fairview Avenue. 548 Comment
  RSA771793  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4608 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC73147  Psorothamnus arborescens var. simplicifolius R. J. Smith 1904-1 308 Riverside near Palm Springs (Colo. Desert, Southern California); Colo. Desert (Colorado Desert), near Palm Springs Comment
  UCR178535  Psorothamnus arborescens var. simplicifolius R. G. Swinney 1967-5-26 141 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  JEPS41730  Psorothamnus emoryi W. L. Jepson 1927-4-14 11697 Riverside Colorado Desert, Silent Canyon, foothills SE end Santa Rosa Mts. 304 Comment
  RSA651257  Psorothamnus emoryi Anne Greenberg 1981-5-17 104 Riverside Palm Desert, Hwy 74, 5 iles N of Hwy 111. Comment
  UC570208  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside two mi s Willis Palms (Coachella Valley); , s of Willis Palms 243 Comment
  CAS-BOT-BC340869  Psorothamnus schottii Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC340872  Psorothamnus schottii L. A. Greata 1905-4-1 426 Riverside Coachella Comment
  CAS-BOT-BC340906  Psorothamnus schottii Annie M. Alexander; Louise Kellogg 1941-5-17 2193 Riverside Colorado Desert. Near Dos Palmas Comment
  CDA27788  Psorothamnus schottii G. D. Barbe, J. L. Johnson 1982-11-2 4023 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  GMDRC5486  Psorothamnus schottii J. Andre 2012-4-11 20847 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
  CAS-BOT-BC340956  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  CAS-BOT-BC72614  Pteridium aquilinum Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills region, Blue Oak Canyon, steep tributary to Dawson Canyon on the northern flank of Estelle Mountain 487 Comment
  RSA263723  Pteridium aquilinum var. pubescens R. Weatherby 1950-5-18 2968 Riverside Hagador 640 Comment
  RSA798605  Pteridium aquilinum var. pubescens R. F. Thorne, E. W. Lathrop 1977-5-18 49759 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA262103  Pterostegia drymarioides E. W. Lathrop 1969-5-8 7012 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA552699  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6707 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCD100932  Pterostegia drymarioides A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 365 Comment
  UCR156296  Pterostegia drymarioides T. B. Salvato, Kent Beaman 2005-5-16 843 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR35074  Pterostegia drymarioides L. B. Ziegler 1973-3-6 497 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  UCSB18375  Pterostegia drymarioides Smalley, G. 1964-5-10 Riverside State Highway 74, 10.8 miles SW of Palm Desert 914 Comment
  RSA782525  Punica granatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38399 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 ) of intersection of I-15 and Lake St. 465 Comment
  RSA0123998  Purshia tridentata Duncan S. Bell, Thomas Stoughton 2016-4-13 9252 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  CAS-BOT-BC466112  Pyrola picta Edmund C. Jaeger 1921-7-13 91 Riverside Stone Creek, San Jacinto Mts. 1706 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
  UCD170875  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCR278566  Quercus Mitch Provance 2012-9-5 912- 16 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  RSA649673  Quercus X acutidens R. E. Riefner Jr. 2000-6-10 20 -483 Riverside San Bernardino National Forest: Hwy. 74 near Pinyon Flats Campground 1220 Comment
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Apr 3 2011
  UCR193490  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCD47066  Quercus X munzii Mary L. Bowerman 1946-4-15 4100 Riverside Joshua Tree National Monument, Live Oak Tank (ca. 3 mi. W. of junction of Keyes Point and Pinto Basin highway), on sandy floor of wash. Comment
  RSA748812  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  RSA78297B  Quercus agrifolia var. oxyadenia P. A. Munz, E. K. Balls 1952-8-21 17994 -B Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  SD232695  Quercus berberidifolia A. C. Sanders 1995-11-26 17911 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Rolling hills. Small canyon crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. NE/4 sec. 22. 1189 Comment
  UCD57410  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 Riverside San Jacinto Valley: Tres Cerritos. Ca. 3 miles WNW of Hemet. East of the Lakeview Mtns. In central valley among the three peaks. 487 Comment
  UCD59759  Quercus berberidifolia A. C. Sanders 2004-4-20 27523 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR272999  Quercus berberidifolia Mitch Provance 2012-9-13 912- 03 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  UCR94493  Quercus berberidifolia Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills, 'Blue Oak Canyon,' tributary of Dawson Canyon draining N flank of Estelle Mountain. 427 Comment
  RSA748232  Quercus chrysolepis T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 131 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  RSA502497  Quercus cornelius-mulleri Steve Boyd 1989-6-11 3739 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  UCSB26654  Quercus cornelius-mulleri Wilken, Dieter 1969-5-9 Riverside Hidden Valley Campground, Lost Horse Valley, 14 miles south of Joshua Tree, Joshua Tree National Monument Comment
  CAS-BOT-BC79162  Quercus dumosa Rev. J. C. Nevin 1904-1-1 s.n. Riverside Temecula Comment
  UC337431  Quercus dumosa J. C. Nevin Riverside Temecula Comment
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Mar 27 2011
  RSA0099445  Quercus engelmannii Duncan S. Bell 2014-11-14 7705 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  RSA575841  Quercus engelmannii Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills region, ''Blue Oak Canyon'', tributary of Dawson Canyon drainage northern flank of Estelle Mountain. 427 Comment
  RSA650069  Quercus engelmannii Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. Comment
  SD122862  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside 7.8 miles west of Rancho California, De Luz road Comment
  UCR189775  Quercus engelmannii Diane Menuz 2007-8-9 357 Riverside Peninsular Range, Temecula, along north bank of Santa Margarita River c. 0.9 mi southwest of I-15 and Hwy 79S interchange 300 Comment
  UCR217514  Quercus engelmannii Jeff B. Galvin 2009-7-16 96 Riverside Perris-Aguanga Basin, Drainage on north of Estelle Mtn running into Dawson Cyn 431 Comment
  UCR60994  Quercus engelmannii B. G. Pitzer 1988-6-10 1051 Riverside Santa Ana Mtns., Rancho California area, intersection of Sandia Creek Road and La Cruz Drive Comment
  UCR109965  Quercus ilex A. C. Sanders 1997-5-12 20711 Riverside Riverside, east side of UCR campus along wash below Botanical Garden, near parking lot 13 335 Comment
  JOTR30778  Quercus john-tuckeri La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1888 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UCR169242  Quercus kelloggii Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 77 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  JEPS98072  Quercus palmeri D. Wilken with E. Painter 2000-11-4 15870 Riverside State Hwy. 74. E of jct. with State Highway 71, near old Santa Rosa Summit, at trailhead to Pacific Crest Trail San Jacinto Mountains 1600 Comment
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May 30 2008
  SBBG113409  Quercus palmeri D. Wilken with E. Painter 2000-11-4 15870 Riverside St Hwy 74, E of jct with St Hwy 71 near old Santa Rosa Summit, at trailhead to Pacific Crest Trail 1600 Comment
  UCD63203  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
  SEINET13953263 Image available Quercus palmeri J. C. Roos 1965-1 Riverside Summit of Pines to Palms Road (Hwy 74) south of Palm Desert, Santa Rosa and San Jacinto Mountains. Comment
  RSA288004  Quercus wislizeni var. frutescens C. W. Tilforth, Walter Wisura 1979-11-10 1920 Riverside 2 miles W of Hwy 74 along Thomas Mtn Road. 1 mile south of Lake Hemet, Garner Valley. Comment
  UCR167820  Rafinesquia californica John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  JEPS29477  Rafinesquia neomexicana Lauramay T. Dempster 1962-4-17 1894 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  POM311387  Rafinesquia neomexicana Wm. Jeffrey 1957-4-3 147 Riverside 1 mile N of Indio Beaumont Hwy on 29 Palms road 427 Comment
  SBBG46757  Rafinesquia neomexicana Leota Davidson 1966-4-6 109 Riverside ca. 0.5 mi W Wiley Well Rd, at second intersection S of Interstate 10, Chuckwalla Mtns Comment
  RSA0021845  Ranunculus californicus var. californicus Elbert Benjamine 1929-5-18 218 Riverside Mt. San Jacinto. 1524 Comment
  RSA0019611  Ranunculus eschscholtzii var. oxynotus P. A. Munz 1922-7-7 6042 Riverside San Jacinto Peak, near the summit. 3287 Comment
  RSA552737  Ranunculus hebecarpus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6759 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR18915  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 610 Comment
  RSA33888  Raphanus sativus N. C. Cooper 1944-4-22 1151 Riverside Banning. 762 Comment
  RSA543204  Rhamnus crocea Steve Boyd 1991-3-17 5481 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
  RSA7214  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  POM96257  Rhamnus crocea E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  UC592933  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 Riverside n of Banning (Gilman Ranch in the foothills) 853 Comment
  VVC445  Rhamnus ilicifolia Markell Kohn 1959-4-20 s.n. Riverside Box Springs Mtns, On Stone Ranch Rd 3 mi SW of intersection of Pigeon Pass/Stone Ranch Rds. 50 yds N of northern most radio station. 579 Comment
  JEPS41954  Rhamnus tomentella subsp. cuspidata W. L. Jepson 1903-8-5 2265 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  CLARK-A1528-2685  Rhododendron occidentale John C. Roos 1941-8-2 79 Riverside San Jacinto Mountains Comment
  CLARK-A1528-5595  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  CLARK-A1528-1414  Rhus laurina John C. Roos 1954-7-10 6191 Riverside Box Springs Mountains 487 Comment
  CLARK-A1528-5483  Rhus laurina John C. Roos 1954-7-10 6191 Riverside Box Springs Mountains 487 Comment
  RSA386527  Rhus ovata H. S. Gentry 1949-4-10 8698 Riverside Aguanga Comment
  RSA648294  Rhus ovata Mark Hotchkiss 1977-4-23 s.n. Riverside Approx. 5 mi. S. of Baning on R 1. 914 Comment
  UCD116938  Rhus ovata T. B. Salvato; Kent Beaman 2005-5-16 880 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
  UCR41364  Rhus ovata N. M. Fellows 1985-3-16 103 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
  RSA221024  Rhus trilobata var. anisophylla E. W. Lathrop 1966-3-30 6130 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  RSA1250  Ribes indecorum B. D. Stark 1930-3-18 1487 a Riverside 1/2 way up west side of Mt San Jacinto. Comment
  RSA221071  Ribes indecorum E. W. Lathrop 1966-3-23 6113 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA535471  Ribes indecorum Steve Boyd 1992-2-2 6646 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR60643  Ribes indecorum C. B. Wolf 1932-2-11 02650 Riverside Santa Ana Mtns, Hidden [Tin Mine] Canyon, 5 mi. west of Corona, base of Skyline Drive. 405 Comment
  RSA263743  Ribes malvaceum var. viridifolium E. W. Lathrop 1968-5-22 6910 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA659610  Ribes malvaceum var. viridifolium J. C. Roos 1947-3-15 3341 Riverside Chaparral on a burn. The west face of the San Jacinto Mtns. Comment
  RSA673630  Ribes malvaceum var. viridifolium Scott D. White, Tasha LaDoux 2000-4-20 7686 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SD229187  Ribes nevadense Dick Schwenkmeyer 2012-6-27 753 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA709708  Ribes quercetorum A. C. Sanders 2004-5-5 27766 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
  UCR79260  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA315  Romneya coulteri J. T. Howell 1928-7-7 1036 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  RSA446204  Romneya coulteri Gale Sphon 1955-3-7 s.n. Riverside 3 miles east of Lake Elsinore. Comment
  RSA575821  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  UCR151127  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR167840  Rorippa nasturtium-aquaticum T. B. Salvato, Melissa Clemons 2005-6-23 1306 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  POM10265  Rumex conglomeratus F. M. Reed 1904-6-5 s.n. Riverside Fairmont Park. Comment
  JOTR32379  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR176197  Rumex hymenosepalus Amber Bruno 2005-4-3 05 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR155043  Rumex obtusifolius A. C. Sanders, Kelly Volansky 2005-3-17 29226 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR39468  Rumex salicifolius A. C. Sanders 1980-7-22 1721 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  RSA297046  Rumex salicifolius var. denticulatus John F. Emmel 1974-9-7 531 Riverside Flats along Strawberry Creek, WSW of Idyllwild, San Jacinto Mountains. 1555 Comment
  UC1979617  Rumex salicifolius var. denticulatus D. L Banks, Steve Boyd 1995-5-3 0204 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
  UCR8209  Rumex salicifolius var. denticulatus B. Freeman 1969-6-27 690627- 5 Riverside San Jacinto Mtns., University of California James Reserve Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild. Occurring north of lodge beside Indian Creek, and along creek nearest to gate, near Indian Creek Comment
  UCR266491  Rumex violascens Mitch Provance, Matt Amalong 2015-4-6 415- 16 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  RSA44862  Ruta chalepensis J. C. Roos 1948-2-21 3771 Riverside Near spring with Baccharis wiminea and Emoryi, pass between Pigeon Pass and Reche Canyon. 457 Comment
  UCR167974  Salix exigua T. B. Salvato, John F. Green 2004-5-27 654 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
  RSA615395  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. 445 Comment
  SD233938  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  UC437377  Salix gooddingii Ivan Johnston 1917-4-4 Riverside Palm Canyon 457 Comment
  RSA601909  Salix laevigata Louis C. Wheeler 1964-6-19 8488 Riverside Chino Creek, oasis near Palm Springs. Comment
  SD80051  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1970-3-27 268 Riverside Andreas Canyon, east slope San Jacinto Mts. 305 Comment
  UCR139046  Salix laevigata D. L. Banks 1997-3-1 1380 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and a long Pechanga Creek 335 Comment
  UCR17442  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-4-24 391 Riverside Santa Rosa Mtns, Deep Canyon, N slope of mountains 1317 Comment
  UC5060  Salix lasiolepis H. M. Hall 1901-7-17 2444 Riverside Tahquitz Creek San Jacinto Mountains 1889 Comment
  UCR182374  Salix lasiolepis Andrea Salzman, Ricky Escobar, et al 2006-4-10 48 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  UCR33642  Salsola gobicola Sears 1977-10-10 S 529 Riverside Sonoran (Colorado) Desert, 23 mi. north of Desert Center, 3 mi. south of Hwy 62 Junction 335 Comment
  UCR109570  Salsola paulsenii R. D. Goeden, Don W. Ricker 1979-3-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  CDA3218  Salsola tragus R. E. Riefner Jr. 2006-11-14 06 -675 Riverside City of Riverside, Main Street at Russell Street. Comment
  UC23849  Saltugilia splendens subsp. splendens Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains San Jacinto Mountains (Southern California) Comment
  UCR18808  Salvia apiana John C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mtns., Dos Palmas Spring Comment
  RSA0117835  Salvia columbariae Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7806 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1235 Comment
  RSA401478  Salvia columbariae Christopher Davidson 1979-4-4 7730 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  SD10679  Salvia columbariae Mrs. D. R. Wolf 1932-3-20 28 Riverside 2.5 Mi N of De Luz, Redman Ranch 1500 Comment
  UCD125732  Salvia columbariae Gordon Pilone 1961-3-1 98 Riverside White Water Canyon, 1/2 mile below fish hatchery. 457 Comment
  UCR279595  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-28 43162 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR87609  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCSB9265  Salvia columbariae Wedberg, H. 1957-3-23 Riverside Whitewater Canyon Comment
  LA86110  Salvia eremostachya W. A. Jr. Emboden; 1962-5-20 2062 Riverside Pinion Flats, Palms to Pines Highway Comment
  UC416703  Salvia eremostachya L. G. Childs 1920-11-26 Riverside Martinez Canyon; Colorado Desert, Santa Rosa Mts. Comment
  UCLA69690  Salvia eremostachya Elizabeth McClintock 1941-5-30 Riverside near Tule Creek; Coyote Canyon Comment
  RSA0024814  Salvia greatae Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-23 4462 Riverside Orocopia Mountains; south end of range, on the north side of Salt Creek to the north of Clemens Well. 302 Comment
  UC1179540  Salvia greatae Peter H. Raven 1958-5-5 12907 Riverside E of and 3.6 mi on road up S side of Orocopia Mtns Coachella Canal; Orocopia Mtns Comment
  RSA434136  Salvia mellifera D. A. Young 1969-4-12 P 316 Riverside 10 mi SE of Hemet on State St. 335 Comment
  UCD125585  Salvia mellifera K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UC1713564  Salvia pachyphylla H. M. Hall 1897-8-11 809 Riverside e side San Jacinto Mt. 2133 Comment
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Jul 23 2008
  RSA125250  Salvia vaseyi E. K. Balls, P. C. Everett 1957-8-20 22669 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 503 Comment
  UCR154730  Sambucus mexicana T. B. Salvato, Kent Beaman 2005-5-16 769 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  JEPS43078  Samolus parviflorus W. L. Jepson 1901-6-1 14581 Riverside Riverside, Journey from Riverside to Santa Rosa Peak and Palomar Riverside Comment
  UCR132860  Sanicula arguta Kent Beaman 1983-4-24 25 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  RSA689449  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-9 8984 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA263674  Sanicula crassicaulis E. W. Lathrop 1968-5-22 6922 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA613136  Sanicula crassicaulis D. L. Banks 1997-3-6 1406 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
  JEPS59100  Sarcodes sanguinea Carl V. Meyer Jun 1927 157 Riverside Saunder's Meadow, San Jacinto Mts. Comment
  JEPS22636  Sarcostemma hirtellum Rimo Bacigalupi with Roxana S. Ferris 1958-3-21 6253 Riverside ca. 13 mi. n. of Blythe (on rd. to Midland); w. slope Big Maria Mts. 262 Comment
  CAS-BOT-BC239932  Schismus arabicus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37448 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA784781  Schismus arabicus Duncan S. Bell 2012-3-18 3185 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA683907  Schismus barbatus Michael Denslow, Tim Thibault 2004-2-20 1909 Riverside Along Hwy. 111, northwest of Palm Springs, in sandy vacant lot below Windy Point. (Hot Springs Quad.) 306 Comment
  RSA772124  Schismus barbatus Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4834 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  CAS-BOT-BC111577  Schoenoplectus americanus Ivan Murray Johnston 1917-4-4 1037 Riverside Frequent in damp sand along creek, Palm Canyon 274 Comment
  POM157930  Schoenoplectus americanus Phillip A. Munz 1927-5-21 10840 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA14335  Schoenoplectus americanus E. C. Jaeger 1921-7-15 1187 Riverside Massacre Canyon, near San Jacinto. Comment
  CAS-BOT-BC111456  Schoenoplectus californicus Ira L. Wiggins 1937-2-19 8572 Riverside Tule swamp 1/2 mile north of Palo Verde. Comment
  RSA544408  Schoenoplectus maritimus Steve Boyd, Timothy S. Ross 1991-6-14 6376 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA192305  Scirpus acutus var. occidentalis Anonymous 1966-6-1 6365 Riverside Los Alamos Road, Tenaja Range. 14 miles NW of Murrieta. Comment
  SEINET238805  Scirpus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside: Santa Ana River Wash between the Market Street bridge and the 60 Freeway. 244 Comment
  UC306142  Scirpus americanus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert, Palm Canyon (along creek, Colorado Desert) 274 Comment
  RSA376136  Scirpus microcarpus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61283 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  SBBG92560  Scrophularia californica K. Cooper 1986-4-18 Riverside Oasis de Los Osos Preserve, Snow Crk Cyn Comment
  UCR22036  Scrophularia californica Steve Boyd 1980-5-11 251 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  POM7654  Scrophularia californica subsp. floribunda H. M. Hall 1902-4-21 2936 Riverside Vicinity of Riverside, Gavilan hills. 457 Comment
  RSA674596  Scutellaria bolanderi subsp. austromontana Scott D. White 2000-8-5 8104 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR207371  Searsia pendulina O. F. Clarke 2009-5-11 s.n. Riverside Riverside, UCR Campus, NW corner of upper reservoir 358 Comment
  UCR107782  Secale cereale D. L. Banks 1997-5-5 2026 Riverside Agua Tibia Mtns, NW Palomar Mtns: Pechanga Indian Reservation, north of casino, approximately 100 m south of the intersection of Pala Road and Wolf Valley Road 335 Comment
  POM12530  Selaginella eremophila Philip A. Munz 1922-3-12 4713 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  UCR19830  Selaginella eremophila Freda Detmers 1930-2-2 s.n. Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Palm Canyon Comment
  CAS-BOT-BC62256  Selaginella watsonii Carl B. Wolf 1932-8-5 3976 Riverside San Jacinto Mts., summit of San Jacinto Peak 3293 Comment
  SEINET6659392  Senecio californicus Steve Boyd, Tim Ross; Mike Hammitt 1991-5-2 6070 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain 3 mi N Hwy 79, 1 mi W of Hwy 371, N Aguanga.; 0 600 Comment
  RSA0012733  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA335026  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Clinton Keith Road, 1.7 mi. E of gate to The Nature Conservancy Preserve. Comment
  RSA575920  Senecio flaccidus var. douglasii Steve Boyd 1994-10-14 8384 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  RSA0124177  Senecio flaccidus var. douglasii N. C. Cooper 1944-7-15 1605 Riverside Palms to Pines Hwy. 1220 Comment
  JOTR35443  Senecio flaccidus var. monoensis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 48 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  RSA614174  Senecio ganderi D. L. Banks 1997-2-17 1285 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Approximately 200 m east of Magee Truck Trail, along a crushed bruch track from a native Stipa grassland at the southern border of the reservation., Just north of the Riverside / San Diego County line border. 481 Comment
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Jun 4 2012
  SBBG62720  Senecio mohavensis M. N. Ackley 1928-3-31 302 Riverside Hidden Spring 304 Comment
  RSA719243  Senna armata Michael Honer, L. Hulse 2004-4-3 1909 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
  UC1765226  Senna obtusifolia Les Ede 1989-8-19 Riverside S of Blythe in the Palo Verde Valley, ca. 1 mi N of the Imperial County line. Comment
  SD186221  Sesbania herbacea Chet McGaugh 2004-11-15 Riverside Coachella Valley, 1.0 mile south of Thermal, parcel bounded by Ave. 58 and Ave. 60 on the north and south and by Polk and Filmore on the west and east. -41 Comment
  SEINET3127006 Image available Sesuvium verrucosum A. C. Sanders, Richard Dwerlkotte 2010-3-22 37515 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, 2 mi. ESE (98 degrees) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q.). 129 Comment
  RSA737213  Setaria parviflora Justin M. Wood 2008-9-30 167 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CDA2457  Setaria viridis Steve Boyd 1989-7-9 3772 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  SEINET273044  Sidalcea malviflora A. C. Sanders 1997-4-3 20152 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
  RSA507472