Search Results — 2000 specimen records retrieved (1915 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229351  Abronia villosa Milo S. Baker 1928-4-5 2848 b Riverside Palm Springs Comment
  CAS-BOT-BC229366  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  CAS-BOT-BC389743  Abronia villosa M. Danielson 1963-12-23 s.n. Riverside Beginning of dirt road into Tahquitz Canyon Comment
  CHSC1075  Abronia villosa Sonia R. Westerberg 1938-4-2 Riverside Palm Springs. 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
  PASA1845  Abronia villosa R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA713078  Abronia villosa Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  UC1136563  Abronia villosa H. S. Yates 1936-4-7 5543 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle Comment
  UC1136567  Abronia villosa H. S. Yates 1937-6-27 6719 Riverside s end of Hemet Valley; San Jacinto 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
  RSA575827  Abronia villosa var. aurita Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain. 317 Comment
  RSA660046  Abronia villosa var. villosa Carol Zuck 1981-2-15 13 Riverside 38-621 Fawn Springs Dr. Palm Desert. Comment
  UCR214698  Abronia villosa var. villosa A. C. Sanders 2010-3-23 37542 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR244727  Abronia villosa var. villosa Jim Andre 2012-3-19 21344 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA0127852  Abronia villosa var. villosa G. Rink 2013-3-20 11901 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  CAS-BOT-BC35189  Acamptopappus sphaerocephalus P. A. Munz; Street 1919-5-7 2731 Riverside Tahquitz Canyon 228 Comment
  SJSU5450  Acamptopappus sphaerocephalus R. C. McGehee 1970-4-30 247 Riverside 4 mi W of Corn Springs, Chuckwalla Mts, 18 mi SE of Desert Center Comment
  POM229033  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  POM41108  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SEINET7593330 Image available Achnatherum coronatum Mary F. Spencer 1921-1 Riverside Near Banning 701 Comment
  UC39984  Achnatherum occidentale H. M. Hall Jun 1 1901-Jul 1 1901 2325 Riverside near Tahquitz; San Jacinto Mts. 2682 Comment
  UC1601392  Achnatherum speciosum H. M. Hall May 1899 1177 b Riverside Riverside, El Toro Mt. El Toro Mt. 1524 Comment
  UC822042  Achnatherum speciosum C. L. Hitchcock 1940-4-12 6064 Riverside 8 mi nw Elsinore 457 Comment
  RSA696573  Achyronychia cooperi Mary Edmunds 1932-3-25 s.n. Riverside Colo. Desert-Coachella Valley. Oasis near sea level. Comment
  SEINET957109  Acmispon argophyllus N. Cooper 1944-1 1061 Riverside Andreas Canyon. 305 Comment
  SBBG119997  Acmispon brachycarpus A. C. Sanders, K. Volansky 2005-3-17 29213 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
Read comments
Apr 2 2011
  UCSB26910  Acmispon heermannii Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along County Road Rl, 7.0 miles north of Idyllwild, San Jacinto Mtns. Comment
  SBBG3387  Acmispon heermannii var. heermannii H. and M. Dearing 1940-6-9 4367 Riverside Pines to Palms Hwy, W of Ribbonwood Comment
  SBBG67437  Acmispon nevadensis var. davidsonii R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  UCSB46690  Acmispon strigosus Reed, Susan 1977-5-30 Riverside University of California James Reserve 1828 Comment
  CAS-BOT-BC29188  Acourtia microcephala A. M. White 1974-6-4 1420 Riverside Indian Canyon Road, ca. 15 miles west of Sun CIty 1219 Comment
  UCR112408  Acourtia microcephala A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23457 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA680558  Adenophyllum porophylloides Scott D. White, Michael Honer 2003-4-30 9139 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  RSA0060487  Adenostoma fasciculatum var. fasciculatum J. M. Andre 2012-6-15 30507 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
  CAS-BOT-BC139869  Adenostoma sparsifolium H. M. Hall 1901-8-1 2638 Riverside In the vicinity of Chalk Hill 1402 Comment
  CHSC22834  Adenostoma sparsifolium Robert A. Schlising 1968-8-18 2905 Riverside San Jacinto Mountains, short distance south of Idyllwild on Hwy R-1. Comment
  CLARK-A1528-3973  Adenostoma sparsifolium John C. Roos 1946-8-27 2787 Riverside Santa Rosa Mountains 1920 Comment
  RSA453183  Adenostoma sparsifolium Kenneth R. Montgomery 1969-9-6 69 -20 Riverside Wilson Valley Road, 18 miles south of Hemet 1098 Comment
  UCR94066  Agave deserti subsp. deserti Scott D. White, D. Haselfeld 1996-7-2 4253 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  RSA740943  Agoseris grandiflora Scott D. White, Justin M. Wood 2008-6-17 12185 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA784536  Agrostemma githago J. D. Olmsted 1959-7-4 736 Riverside Strawberry Creek Drainage Area: Along tributary from south of Lily rock 0.25 mi above junction with Strawberry Creek 0.5 mi above Idyllwild. 1677 Comment
  SD262155  Agrostis Jim Andre 2012-6-15 30520 Riverside San Jacinto Mountains: San Bedrnardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat (Lake Fulmor 7.5'Q) 1309 Comment
  UCD53294  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
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Aug 13 2006
  RSA708056  Ailanthus altissima Scott D. White, Angelia Carey 2004-4-16 10152 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 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
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Mar 2 2013
  RSA0048455  Allionia incarnata A. Lee Haines 1974-4-9 s.n. Riverside Crystal Springs Canyon, Chuckwalla Mountains. 640 Comment
  RSA715375  Allium A. C. Sanders 1999-4-28 22709 -B Riverside Riverside, UCR Botanic Garden. 351 Comment
  UC63836  Allium burlewii H. M. Hall 1901-6 2310 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 1981 Comment
  CAS-BOT-BC131989  Allium haematochiton Steve Boyd 1986-3-9 1395 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and [Horsetheif] Horsethief Wash 365 Comment
  RSA180459  Allium haematochiton E. W. Lathrop 1960-5-27 5208 Riverside 6 miles west of Murrieta. Comment
  RSA702415  Allium haematochiton Steve Boyd, Aydee Virgen 2004-4-13 10859 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SBBG47498  Allium haematochiton M. B. Dunkle 1935-3-10 4360 Riverside Glen Ivy 304 Comment
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Apr 10 2016
  UCR27415  Allium haematochiton John C. Roos 1950-3-18 4714 Riverside Peninsular Range, 3 - 4 mi north of Murrietta in the hills 457 Comment
  RSA747869  Allophyllum glutinosum Justin M. Wood 2009-5-11 700 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR113620  Alnus rhombifolia Stan C. Spencer 2000-2-1 s.n. Riverside Temecula Valley, Empire Creek (Long Valley) SW of Margarita Rd. 329 Comment
  SEINET3079479 Image available Alonsoa linearis A. C. Sanders 1985-5-30 5813 Riverside UCR Botanic Garden, in the bed on the W side of the lath house, grid cell E-7. 366 Comment
  RSA519242  Amaranthus albus Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA402973  Amaranthus blitoides L. S. Rose 1967-12-20 67185 Riverside 6 mi. SE, of Thousand Palms. 15 Comment
  UCR59715  Amaranthus fimbriatus A. C. Sanders 1989-9-19 9508 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  RSA0018885  Amaranthus palmeri Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6020 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  SD67913  Amauriopsis dissecta Reid Moran 1968-8-3 15362 Riverside Ridge, 1 mile northwest of Toro Peak. 2250 Comment
  RSA416966  Ambrosia dumosa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA643343  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 s.n. Riverside Coachella Valley: Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak. 274 Comment
  SD229057  Ambrosia dumosa Dick Schwenkmeyer 2012-11-6 861 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UC896717  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
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Apr 24 2011
  UCR109581  Ambrosia dumosa R. D. Goeden, Don W. Ricker 1970-5-14 s.n. Riverside Coachella Valley, Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak 274 Comment
  UCSB10231  Ambrosia dumosa Gunnerson, R. 1963-3-20 Riverside Whitewater Canyon, Colorado Desert Comment
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Mar 27 2014
  JOTR00920  Ambrosia dumosa Sipe, Frank 1958-3-13 223 Riverside Joshua Tree National Park. PORCUPINE WASH, PINTO BASIN Comment
  RSA0130720  Ambrosia dumosa Glen Rink 2013-3-19 11891 Riverside About twelve west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  CLARK-A1528-2147  Ambrosia ilicifolia John C. Roos 1949-4-10 4230 Riverside Chuckwalla Mountains Comment
  POM319666  Ambrosia psilostachya Patricia Wilder 1970-10-15 4769 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA605292  Ambrosia pumila D. E. Bramlet 1997-7-18 2575 Riverside Nichols Road Wetland Area: The site is located approximately 7.5m northwest of Nichols Road and 91m west of Alberhill Creek. This locality is approximately 366m southwest of the I-15 Freeway. 117 Comment
  RSA615546  Ambrosia pumila Fred M. Roberts 1997-6-29 5043 Riverside Warm Springs Valley: Nichols Road, 0.3 km by road W jct. I-15 near head of Walker Canyon, ca 2.8 km NW Lake Elsinore. 117 Comment
  CAS-BOT-BC273005  Ambrosia salsola J. M. No date on label 0018 Riverside HTGR Site, Vidal Junction Comment
  RSA789750  Ambrosia salsola David Fraker, Aaron Sedgwick 2012-5-9 96 Riverside Along the Bradshaw Trail, south of the Orocopia Mtns ~4 mi. southwest of the Orocopia Mtns. Wilderness Area. ~3/4 mi. west of the Coyote Rd. intersection. 231 Comment
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May 1 2016
  SD127615  Ambrosia salsola var. salsola David Charlton 1988-2-18 1124 Riverside South side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash,1 mile east of the Junction Dillon Road and Fargo Cyn Road 609 Comment
  UCR266908  Ammannia coccinea D. E. Bramlet 2005-7-13 3900 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  SD84908  Amorpha californica Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-21 441 Riverside Santa Rosa Mountains, Palm Canyon drainage, above Garnet Queen Cr. crossing of Santa Rosa Mountain Road 1830 Comment
  UCSB26801  Amorpha fruticosa Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mtn., 4.0 miles east of California State Highway 74, Santa Rosa Mtns. Comment
  POM184172  Amsinckia intermedia P. A. Munz 1932-3-24 12025 Riverside North of Lake Elsinore. 305 Comment
  RSA702188  Amsinckia intermedia Scott D. White, Michael Honer 2004-3-11 9899 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  SDSU20040  Amsinckia intermedia Michael G. Simpson 2012-4-27 3689 Riverside Skunk Hollow Vernal Pool Preserve, top of hill (near fence and vertical rebar marker), ca. 350 feet southwest of west end of vernal pool. 412 Comment
  UCR41229  Amsinckia intermedia N. M. Fellows, A. C. Sanders 1985-4-9 149 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
  UCD119761  Amsinckia menziesii A. C. Sanders; G. Helmkamp 1997-3-15 19982 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill. Comment
  UCR103725  Amsinckia menziesii A. C. Sanders, G. Helmkamp 1997-3-15 19982 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCR84587  Amsinckia menziesii Scott D. White, S. Ogg 1994-4-21 1969 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM14034  Amsinckia tessellata P. A. Munz, D. D. Keck 1922-4-15 4987 Riverside Near Moreno. Grain field. 366 Comment
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Mar 20 2011
  RSA778231  Amsinckia tessellata var. tessellata Duncan S. Bell 2009-3-8 36 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR260563  Ancistrocarphus filagineus T. B. Salvato 2015-4-2 8107 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  CAS-BOT-BC400337  Anemopsis californica Peter H. Raven; Sidney R. Snow 1956-6-30 9529 Riverside 4.7 miles east of Temecula on Highway 71 Comment
  RSA191453  Anemopsis californica E. W. Lathrop, R. F. Thorne 1967-9-26 6637 Riverside 6 miles NW of Murrieta. Comment
  UCR235050  Anemopsis californica A. C. Sanders, John F. Green 2012-5-27 40213 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  UCSC003150  Angelica tomentosa Peter Kamb 1948-10-31 1282 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  RSA455526  Angelica tomentosa var. tomentosa N. C. Cooper 1949-6-29 4354 Riverside Above Banning 915 Comment
  HSC84222  Antirrhinum coulterianum H. A. Heaton 1987-5-2 14 Riverside San Jacinto Mtns., 2.1 mi. up Bee Canyon from Hwy. 74 732 Comment
  RSA425791  Antirrhinum coulterianum Ora M. Clark 1929-2-23 1563 Riverside North of Whitewater Comment
Read comments
Dec 31 2017
  SD4551  Antirrhinum coulterianum Fidella G. Woodcock 1928-4-27 Riverside Valley between San Jacinto Mountain and Warner's Hot Springs Comment
  UC444962  Antirrhinum coulterianum Katharine Brandegee 1896-4-10 Riverside Agua Caliente Comment
  UC666467  Antirrhinum coulterianum Annie M. Alexander and Louise Kellogg 1941-6-1 2266 Riverside Dry Morongo Creek 640 Comment
  UCR183026  Antirrhinum coulterianum Mitch Provance 2003-4-17 4632 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  UCR20951  Antirrhinum coulterianum A. C. Sanders 1978-7-1 86 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  JOTR32149  Antirrhinum filipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2304 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA80435  Antirrhinum filipes F. W. Peirson 1920-2-16 1101 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  UCD123446  Antirrhinum kelloggii Ian G. Gillespie; Abby Sirulnik 2000-5-7 39 Riverside Temescal Valley: 0.9 miles southeast of Indian Truck Trail and 40 m southwest of DePalma Road, directly across from Corona Lake. 396 Comment
  UCR216400  Antirrhinum kelloggii Mike Bell 2008-3-30 028 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA180499  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1965-5-23 5766 -a Riverside Riverside, 8 miles W of Murrieta 610 Comment
  RSA615134  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road. 503 Comment
  RSA737117  Apium graveolens Justin M. Wood 2008-10-15 183 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA395891  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UC22885  Apocynum androsaemifolium H. M. Hall August, 1901 2595 Riverside vicinity of Tamarack Valley Tamarack Valley; San Jacinto Mts. 2560 Comment
  UCR30802  Arabis A. C. Sanders, K. Berg 1980-5-1 1351 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR18483  Arabis pulchra A. C. Sanders 1978-6-11 00219 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  POM48870  Arceuthobium campylopodum Philip A. Munz, I. M. Johnston 1924-6-26 8705 Riverside Near Dark Canyon. 1524 Comment
  RSA0040386  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside Idyllwild area, SW of Pine Cove & west of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd Cyn) 1707 Comment
  RSA629162  Arctostaphylos Jon E. Keeley 1992-7-17 16799 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629175  Arctostaphylos Jon E. Keeley 1992-7-17 16794 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  UCR54263  Arctostaphylos A. C. Sanders, E. J. Lawlor 1988-10-22 8731 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA629466  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16836 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR122853  Arctostaphylos glandulosa Susanne M. James 1979-1-20 12 Riverside San Jacinto Mtns., 2.5 mi north of Soboba Indian Reservation and 1 mi west of San Bernardino National Forest along Poppet Flat Road Comment
  SD180712  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-8-2 395 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top, near weather station, among boulders. 640 Comment
  UCR133431  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 447 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA1555  Arctostaphylos glandulosa subsp. zacaensis J. T. Howell 1928-7-8 1053 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  RSA263747  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1968-5-22 6908 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC24669  Arctostaphylos glauca Philip A. Munz 1953-5-31 18516 Riverside Ridge between Juniper Flats and Stubby Springs, Joshua Tree National Monument. 1402 Comment
  RSA631718  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19263 Riverside Highway 79, 5 km west of Radec. 580 Comment
  UC876404  Arctostaphylos glauca F. R. Fosberg 1939-3-9 S 1532 Riverside small steep side canyon Mission Canyon Comment
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Feb 17 2013
  UCR93093  Arctostaphylos glauca Scott D. White 1995-12-24 3801 Riverside Lakeview Mtns, c. 7 road mi. SE of Davis Road - Ramona Expressway intersection 671 Comment
  RSA0120001  Arctostaphylos parryana Duncan S. Bell, Thomas Stoughton 2016-4-13 9254 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA633558  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21789 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633598  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16706 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633630  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22658 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633652  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20146 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633689  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16653 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 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
  RSA633715  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16676 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633763  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21800 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635595  Arctostaphylos peninsularis Jon E. Keeley 1992-7-17 16741 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  UCR140583  Arctostaphylos pringlei Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 10- 74 Riverside San Jacinto Mtns, San Bernardino National Forest, 2 miles north of Idyllwild on Hwy 243, Site L10 1717 Comment
  POM15030  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1922-7-2 1980 Riverside Tahquitz trail. Idyllwild. San Jacinto Mt. 1829 Comment
  SBBG5480  Arctostaphylos pringlei subsp. drupacea M. Van Rensselaer 1937-7-23 Riverside San Jacinto Mtns 1859 Comment
  UC876400  Arctostaphylos pringlei subsp. drupacea I. W. Clokey and E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  RSA750750  Arctostaphylos pungens Scott D. White, Justin M. Wood 2009-5-22 12893 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SD180727  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 411 Riverside Santa Margarita Ecological Reserve, on bench ca. 1/3 up steep slope from river bottom. 264 Comment
  SD137698  Argemone munita Darin L. Banks, Peter Morrell 1995-5-4 305 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail. 622 Comment
  UCR170127  Argemone munita Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 100 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  CAS-BOT-BC207119  Argythamnia lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center Comment
  CAS-BOT-BC207127  Argythamnia lanceolata S. B. Parish 189 (year not completed on sheet) 4141 Riverside Palm Springs, Colorado Desert Comment
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Sep 11 2019
  CAS-BOT-BC137658  Aristida adscensionis S. B. Parish 1912-6-28 8122 Riverside Base of the mountains north of Mecca. Comment
  RSA575735  Aristida adscensionis S. J. Darbyshire, J. Cayouette 1994-9-17 4638 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  RSA735401  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11231 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA784780  Aristida adscensionis Duncan S. Bell 2012-3-18 3184 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
  UCD56396  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Colorado Desert, near Indian Wells. Comment
  UCR244447  Aristida adscensionis Jim Andre 2012-4-16 20903 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA129293  Aristida adscensionis var. modesta H. S. Yates 1937-3-23 6442 Riverside 15 miles NNE of Mecca 457 Comment
  UCSB45623  Aristida purpurea Roos, John; Roos, Lucille 1950-10-21 Riverside Wonderland of Rocks, Little San Bernardino Mtns 1219 Comment
  UCD56548  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside head of Deep Canyon. 1219 Comment
  UCR76179  Aristida purpurea var. nealleyi Scott Holbrook 1993-4-27 s.n. Riverside San Jacinto Mtns., Chino Canyon 610 Comment
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Sep 3 2011
  RSA545214  Artemisia californica R. F. Thorne 1970-10 41875 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCR106908  Artemisia dracunculus D. L. Banks, L. Raz 1996-11-5 1170 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, ESE of San Gabriel Church; along floodplain of the southern fork of Pechanga Creek. 415 Comment
  UCR243132  Artemisia dracunculus Kate Kramer 2012-5-8 257 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  RSA189420  Artemisia ludoviciana subsp. albula L. S. Rose 1966-12-14 66106 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  SD237299  Artemisia ludoviciana subsp. albula Jim Andre, T. La Doux 2007-9-6 8704 Riverside Little San Bernardino Mountains: Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress. 1237 Comment
  POM13865  Artemisia tridentata subsp. tridentata Philip A. Munz 1922-4-29 5103 Riverside Dripping Spring, Temecula Creek. 548 Comment
  RSA70039  Arthrocnemum subterminale F. W. Peirson 1922-5-19 3068 Riverside 2 miles southeast of Perris Comment
  SEINET10513658  Arundo donax David B. Dunn 1947-2-9 Dunn 2851 Riverside Pushawall canyon. Indio hills. By lower part of stream. Comment
  UCR75042  Asclepias albicans A. C. Sanders, E. Lawlor 1992-4-4 12156 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR117684  Asclepias californica V. W. Steinmann, D. L. Banks 1997-3-13 1199 Riverside Agua Tibia Mtns., N of Hwy 79 on the low hills just east of Dripping Springs alcove and west of Lake Marina Road. 550 Comment
  POM3352  Asclepias erosa H. M. Hall 1901-06 2111 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  RSA502495  Asclepias erosa Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3736 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  UC154644  Asclepias erosa Rensselaer J. Smith May 1904 306 Riverside Palm Springs Comment
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Aug 27 2011
  RSA401251  Asclepias fascicularis M. M. Thompson 1947-8-23 C- 2025 Riverside Los Alamos Canyon, Elsinore Mtns. 762 Comment
  UCR244921  Asclepias subulata Jim Andre 2012-3-19 21368 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  SEINET13276755 Image available Asparagus officinalis Mitch Provance 2012-1 196 -08 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UCR265020  Asparagus officinalis Mitch Provance 2013-4-8 413- 13 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA708639  Aspidotis californica Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10786 Riverside Santa Rosa Plateau area, northwest of Squaw Mtn. Terminus of Via Ranchero at San Diego County line. 823 Comment
  UC211619  Aspidotis californica F. M. Reed 1908-2-23 2236 Riverside Jurupa Hills above Wilder's Canyon, W of Riverside 426 Comment
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Jul 30 2006
  UCR110417  Aster subulatus A. C. Sanders, Mitch Provance 1999-9-26 23126 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
  JEPS54674  Astragalus W. L. Jepson 1901-5-25 1448 Riverside trail to Santa Rosa Peak; trail to Santa Rosa Peak Comment
  UCD84938  Astragalus aridus Chuck Hughes 2010-3-23 210 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  UC667342  Astragalus bernardinus Annie M. Alexander and Louise Kellogg 1941-4-29 2104 Riverside 13 mi ssw 29 Palms (Joshua Tree National Monument); , sw of 29 Palms 1371 Comment
  SD119377  Astragalus bicristatus Reid Moran 1973-7-28 21111 Riverside On north slope of Toro Peak, Santa Rosa Mountains. 2310 Comment
  CAS-BOT-BC177721  Astragalus crotalariae T. S. Brandegee 1895-4-17 s.n. Riverside [Borregos] Borrego Springs Comment
  UC83972  Astragalus crotalariae C. R. Orcutt 1890-2-6 2040 Riverside Indian Wells Colorado Desert; Indian Wells, Colorado Desert Comment
  POM122306  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n Riverside Near Idyllwild Comment
  UC1563117  Astragalus douglasii var. parishii Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2998 Riverside Temecula Creek Cyn below Vail Lake dam (Vail Lake area); Temecula Creek Cyn below Vail Lake dam 457 Comment
  RSA524458  Astragalus gambelianus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4061 Riverside Vail Lake Area, summit of Big'' Oak Mts. at E end. 792 Comment
  SDSU7941  Astragalus lentiginosus K. Larson 1975-4-24 1528 Riverside 10 miles northwest Palm Springs Creek rd. Comment
  CAS-BOT-BC187121  Astragalus lentiginosus var. borreganus S. B. Parish 1907-4-15 6119 Riverside Western base of the Colorado Desert 360 Comment
  UC68626  Astragalus lentiginosus var. borreganus H. M. Hall Apr., 1905 5958 Riverside Paloverde , Paloverde (Colorado Desert) 76 Comment
  RSA415587  Astragalus lentiginosus var. coachellae W. Hutchinson 1925-4-1 s.n. Riverside Palm Springs. Comment
  UCR11604  Astragalus lentiginosus var. coachellae O. H. Kappler 1950-4-1 2046 Riverside Western Colorado Desert, Four mi. east of Palm Springs, north of Cathedral City. 183 Comment
  RSA415583  Astragalus lentiginosus var. variabilis M. B. Dunkle 1935-3-17 4402 Riverside Colorado Desert. 610 Comment
  UCR186855  Astragalus lentiginosus var. variabilis Naomi Fraga, Et al. 2005-3-30 1541 Riverside Sonoran (Colorado) Desert/Mojave Transition, dunes in the southern portion of the Pinto Basin. Joshua Tree National Park 549 Comment
  RSA0064476  Astragalus pachypus John F. Emmel 1995-7-16 1382 Riverside San Jacinto Mts.; Rouse Ridge road, 3.8 to 4.3 road miles SSE of Cranston Ranger Sation. 853 Comment
  SD81292  Astragalus pachypus var. jaegeri D. F. Howe 1969-5-15 1591 Riverside Near Dripping Springs Campground (mak 10/07) 456 Comment
  JEPS54787  Astragalus palmeri W. L. Jepson 1914-5-18 6005 Riverside n Indio (Pinon Well Grade); Colorado Desert, n of Indio, Pinon Well grade 822 Comment
  SBBG35750  Astragalus palmeri D. Myrick 1966-4-3 1347 Riverside Hidden Valley; Joshua Tree Nat Monument Comment
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Dec 14 2016
  SD37529  Astragalus palmeri Edith A. Purer 1935-4-21 6467 Riverside Palm Springs, desert floor Comment
  SD83397  Astragalus palmeri R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2064 Riverside Fig Tree Valley, dry creek bottom 690 Comment
  UC863206  Astragalus palmeri P. A. Munz, I. M. Johnston 1922-5-7 5271 Riverside Keyes Ranch Little San Bernardino Mtns, Keyes Ranch (Little San Bernardino Mtns, sandy desert plain) 1066 Comment
  UCR35037  Astragalus palmeri L. B. Ziegler 1972-5-17 459 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  UC55779  Astragalus pomonensis H. M. Hall Apr., 1903 3815 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  CAS-BOT-BC194056  Astragalus tricarinatus P. A. Munz; I. M. Johnston 1922-5-6 5196 Riverside Morongo Wash, Colorado Desert Comment
  LA205753  Astragalus tricarinatus Harlan Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  UCR38117  Astragalus tricarinatus J. M. Stewart 1985-3-16 8507 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA586037  Athysanus pusillus D. L. Banks, S. D. Boyd 1995-3-16 89 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  SD244110  Athysanus pusillus A. C. Sanders, Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-15 fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 377 Comment
  UCR108994  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR113203  Athysanus pusillus A. C. Sanders 1998-3-11 21688 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR116070  Athysanus pusillus O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR249834  Athysanus pusillus T. B. Salvato, John Lovio 2013-3-19 7358 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA779699  Atrichoseris platyphylla Duncan S. Bell 2010-4-2 725 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  UC963818  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside near, and ca. 2.5 miles beyond Mission Well Meek Mine; Mojave Desert, Pinto Mountains 579 Comment
  UCR30074  Atrichoseris platyphylla George K. Helmkamp 1983-4-5 483- 42 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR267169  Atriplex argentea D. E. Bramlet 2005-7-27 3905 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  RSA736291  Atriplex argentea subsp. expansa Scott D. White, Justin Wood 2008-5-27 12030 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  RSA5458  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET238486  Atriplex canescens A. C. Sanders, Mitch Provance 2000-9-27 23673 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux NW of intersection of Tequesquite Ave. and Gregory Rd. near confluenc 232 Comment
  UC1136263  Atriplex canescens R. St. John 1929-1-24 5 Riverside mouth Bautista Canyon; San Jacinto Quad., Mouth of Bautista Canyon Comment
  RSA537269  Atriplex coronata var. notatior D. E. Bramlet 1991-5-10 2148 Riverside 6.5 miles west of hemet, approximatly 500 m south and west of the ntersection of Warren and Florida (Hwy 74) and 80 miles east of the MWD San Diego Canal. 457 Comment
  SD243119  Atriplex glauca R. E. Riefner Jr. 2002-12-12 02 521 Riverside Peninsular Range; Temescal Canyon Mouth; city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy 1-15 (Corona South 7.5'Q) 216 Comment
  POM220055  Atriplex hymenelytra F. R. Fosberg 1932-3-13 8087 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  JEPS59604  Atriplex lentiformis W. L. Jepson 1914-5-21 6038 Riverside Indio Colorado Desert, Indio 7 Comment
  UC110247  Atriplex lentiformis T. S. Brandegee 1901-4-3 Riverside Salton Crossing , Salton Crossing (Colorado Desert) Comment
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Sep 11 2011
  UCR25333  Atriplex muelleri John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  UCSB60201  Atriplex pacifica Bramlet, D. 1991-4-29 Riverside 6.5 km. W of Hemet, 600 m. S and W of the intersection of Warren and Florida 457 Comment
  RSA724123  Atriplex polycarpa R. E. Riefner 2006-10-9 6 -488 Riverside City of Lake Elsinore, back basin of Lake Elsinore, W ca. 0.5 mi off Pete Lehr Dr. at Diamond Stadium in Wildlife Viewing Area. 402 Comment
  UCR119421  Atriplex suberecta Mitch Provance 1998-6-20 709 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR4328  Atriplex triangularis O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  RSA33455  Avena sativa N. C. Cooper 1944-5-6 1218 Riverside Banning. 701 Comment
  SBBG93066  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside ca. 1.75 air km S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  LA203040  Baccharis emoryi Louis Wheeler; 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  UCR199915  Baccharis pilularis Scott D. White, Justin Wood 2007-10-3 11761 Riverside Southern Santa Ana Mountains, Site of proposed 'Liberty Quarry'. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line 579 Comment
  UCR100032  Baccharis salicifolia A. C. Sanders, G. Helmkamp 1997-3-15 19975 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR272672  Baccharis sergiloides Sarah J. De Groot, Duncan S. Bell 2015-9-21 7583 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, near Potrero Spring near head of Potrero Canyon, west of Dunn Road, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  RSA93161  Baccharis sergiloides F. W. Peirson 1928-9-6 8205 Riverside Morongo Canyon, eastern end of San Bernardino Mts. Comment
  UC135117  Baileya pauciradiata S. B. Parish 1896-4-1 4125 Riverside Palm Springs Colorado Desert Comment
  POM308639  Baileya pleniradiata Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3210 Riverside Near Indio. Comment
  POM46891  Bebbia juncea Mary F. Spencer 1918-4-7 775 Riverside Palm Springs. 168 Comment
  RSA0099449  Bebbia juncea Duncan S. Bell, Evan Meyer 2014-10-29 7691 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  LA203072  Bebbia juncea var. aspera Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mi. below Cottonwood Springs Comment
  UC68961  Bebbia juncea var. aspera H. M. Hall 1905-4-1 5817 Riverside 10 mo w of Coachella (Colorado Desert); Colorado Desert 152 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
  UCR89779  Bergia texana Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA651245  Bernardia incana N. R. Zabriskie, Walter Zabriskie 1971-4-9 364 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  CLARK-A1528-404  Beta vulgaris John C. Roos 1951-10-24 5334 Riverside Riverside 228 Comment
  CSUSB942  Bloomeria crocea R. D. Keys 1973-5-13 Riverside Box Springs Mountains Pigeon Pass Road, 1 mile above Riverside dump, 100 feet south of road along spring, in the Box Springs Mountains. 304 Comment
  RSA585516  Bloomeria crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR180110  Bloomeria crocea Mitch Provance 2003-4-26 9883 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UC667362  Boechera pulchra Annie M. Alexander and Louise Kellogg 1941-5-19 2201 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert 975 Comment
  RSA770620  Boerhavia Robert F. Thorne 1966-10-15 41813 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  CDA23854  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Peninsular Ranges, Perris-Aguanga Basin region.; San Jacinto, behind post office, 288 E. Main St. 0 Comment
  RSA645639  Boerhavia coccinea Scott D. White 1999-4-20 7276 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
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Aug 21 2019
  RSA0062788  Boerhavia coulteri Duncan S. Bell, Evan Meyer 2014-10-22 7653 B Riverside Orocopia Mountains; southwestern section of range; collecting in an unnamed canyon to the southeast of Orocopia Canyon; about 3.6 air miles north northeast of Dos Palmas. 404 Comment
  UCR43369  Boerhavia intermedia R. F. Thorne, R. Dahlgren 1979-4-23 53600 Riverside Mojave and Colorado Deserts, Joshua Tree National Monument, Pinto Basin Road: along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  SEINET3124370 Image available Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert; Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  RSA683912  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Maniobra Valley, Chiraco Summit Road off I-10. 517 Comment
  UCR242288  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40421 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  SBBG14337  Bouteloua aristidoides E. R. Blakley 1961-9-12 4714 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  UCR211550  Bouteloua aristidoides Jim Andre, T. La Doux 2008-9-13 10260 Riverside Sonoran (Colorado) Desert, Palen Valley, along west side of Hwy 177, east side of Coxcomb Mountains, just west of Palen Valley Sand Dunes area, east boundary of Joshua Tree National Park 205 Comment
  RSA190623  Bouteloua barbata L. B. Ziegler 1967-10-10 s.n. Riverside Hemet Valley, San Jacinto Mountians. 1402 Comment
  SEINET3221555 Image available Bouteloua barbata E. R. Blakley 1961-9-12 4713 Riverside Pinyon Flat, Palms to Pines Highway Comment
  UCSB42283  Bouteloua barbata Roos, John 1965-9-5 Riverside 10 mi W of Blythe Comment
  UC406749  Bouteloua barbata var. barbata Marcus E. Jones, A. M. 1929-9-16 24716 Riverside near Desert Center; Hayfields Comment
  UCR177179  Bowlesia incana Scott D. White, Michael Honer 2003-4-4 8947 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  SD181775  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. On roadside. 334 Comment
  UC1930171  Brachypodium distachyon Scott D. White, Michael Honer 2003-6-3 9481 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  HSC27843  Brandegea bigelovii R. W. Spjut 1973-4-10 3297 Riverside N base of the Chuckawalla Mtn. ca. 3-4 mi. directly S of Desert Center 305 Comment
  UCR108721  Brandegea bigelovii Scott D. White, Sandy Leatherman 1998-4-15 6287 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  UCR3382  Brandegea bigelovii John Minnich 1964-3-22 64-3-22- 10 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 Comment
  SFV15631  Brassica nigra M. Merchant 1992-4-17 3 Riverside Santa Ana River bottom. End of Rubidoux Ave. in Riverside, 0.5 miles from river. 250 Comment
  UC56980  Brassica rapa H. M. Hall 1902-4-4 2959 Riverside vicinity of Riverside; Southern California 243 Comment
  RSA770308  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4495 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64307 487 Comment
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Mar 7 2013
  RSA772848  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4843 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
  UCR18589  Brickellia arguta John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  SD82941  Brickellia californica C. W. Tilforth, John Dourley 1970-10-16 316 Riverside Road to Santa Rosa Mountain, along and above intermittent stream bed Comment
  CAS-BOT-BC106180  Brickellia desertorum J. Cole 1942-5-19 960 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  RSA78377  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside N end Perris Blvd, Sunnymead. 610 Comment
  UC527701  Brickellia desertorum C. B. Wolf 1931-10-14 Riverside 1/2 mi below the Fish Hatchery (n base of San Jacinto Mts., Snow Creek); Snow Creek 548 Comment
  UCR231199  Brickellia desertorum A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39946 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  UC1329828  Brickellia incana James E. Cole 1941-5-21 751 Riverside Cottonwood Spring Wash, Joshua Tree National Monument Joshua Tree National Monument, Cottonwood Spring Wash 914 Comment
  UCR154535  Brodiaea Jason L. Hlebakos 2005-5-18 696 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  CAS-BOT-BC149333  Bromus arizonicus H. K. Wagnon 1944-3-19 349 Riverside Along South rim of Tahquitz Canon [Canyon], Palm Springs. Comment
  SD137963  Bromus hordeaceus Darin L. Banks 1995-5-3 210 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn.; E of the Dripping Springs Alcove Area; along the lower alluvial benches of Arroyo Seco 500 Comment
  UCR171955  Bromus hordeaceus John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCD58931  Bromus laevipes A. A. Beetle 1946-6-10 4392 Riverside San Jacinto Mt., San Jacinto Mts. Near Idylewilde. 1219 Comment
  SEINET3923268  Bromus rubens R. L. Piemeisel 1913-5-4 3595 Riverside Sunny Mt., Riverside.; 0 Comment
  UCR114138  Bromus rubens B. G. Pitzer, J. Ross 1998-3-8 3595 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR140287  Bromus rubens A. C. Sanders 2004-4-9 27458 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
  UCR233072  Bromus rubens Edith B. Allen 2012-1-14 112- 02 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  SEINET3428722  Bromus tectorum V. Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains Comment
  RSA0019728  Bromus tectorum E. W. Lathrop 1966-5-15 6321 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  HSC66543  Caesalpinia virgata Christopher Davidson 1979-4-4 7691 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  POM28931  Caesalpinia virgata Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA405291  Caesalpinia virgata Anstruther Davidson 1903-5-3 s.n Riverside Thermal. Comment
  RSA779926  Caesalpinia virgata Jim Andre 2011-2-9 15908 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA550018  Calandrinia ciliata Walter Wisura, A. King, L. Newcomb 1992-4-10 4679 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA556510  Calandrinia ciliata Julie Greene 1993-4-10 1169 Riverside East of Horse Ranch fence. San Jacinto Wildlife Area. 436 Comment
  SD68966  Callitriche heterophylla var. bolanderi Robert F. Thorne, P. A. Munz and E. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California. 609 Comment
  RSA234049  Callitriche marginata R. F. Thorne 1969-5-12 37941 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR26355  Calocedrus decurrens A. C. Sanders, J. A. Harpel 1981-8-26 2337 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  UCR20921  Calochortus invenustus A. C. Sanders 1978-7-3 s.n. Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR121085  Calochortus plummerae A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24962 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR215367  Calochortus plummerae Fred M. Roberts 2006-6-28 6348 Riverside Peninsular Range; San Jacinto Mountains, San Jacinto River Canyon, south fork, South Fork Trail 3.7 km west summit of Baldy Mountain 1266 Comment
  RSA50295  Calochortus splendens E. K. Balls 1949-5-4 13479 Riverside Cajalco Road, road to Lake Mathews, Gavilan Hills. 2 miles from Corona to Elsinore Highway. Comment
  UCR57113  Calochortus weedii var. weedii Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  POM351400  Calycadenia tenella J. D. Olmsted 1962-5-10 3665 Riverside W of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road 206 Comment
  RSA388327  Calycadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA532560  Calycoseris parryi D. Bramlet 1991-5-9 2134 Riverside North Domenigoni Hills Comment
  SEINET3004991  Calycoseris parryi G. Rink, M. Baker 2011-4-3 10419 Riverside Northwest of Blythe, east of the McCoy Mtns, small gullies in desert pavement 170 Comment
  UC963833  Calycoseris wrightii Helen K. Sharsmith 1952-4-11 4064 Riverside 7 mi s of Highway 60-70 (nw base of Chuckawalla Mountains); Colorado Desert, Chuckawalla Mountains 533 Comment
  JOTR33962  Calyptridium monandrum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2848 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  SDSU18680 SDSU18680
Image available
Calyptridium monandrum Kristen Hasenstab, M. G. Simpson 2008-4-1 46 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 607 Comment
  UCR116894  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24205 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
  UCR177410  Calyptridium monandrum Scott D. White 2003-3-23 8837 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR182999  Calyptridium monandrum Mitch Provance 2003-5-5 4423 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR21946  Calyptridium monandrum Steve Boyd 1980-4-13 123 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR176684  Calystegia macrostegia R. D. Goeden, Don W. Ricker 1965-6-10 s.n. Riverside Peninsular Range, Murrieta Township, Rancho Pauba, Hwy 71 [=79] at Temecula River Comment
  POM71103  Calystegia macrostegia subsp. intermedia F. W. Peirson 1929-5-4 8333 Riverside In clumps on open land near Lake Elsinore. Comment
  RSA714421  Calystegia macrostegia subsp. macrostegia A. C. Sanders 2004-5-12 27872 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR260090  Camissonia Mitch Provance 2012-4-23 412- 15 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  RSA0021242  Camissonia arenaria Amber Swanson, Duncan S. Bell 2011-3-20 246 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  RSA0040100  Camissonia arenaria Duncan S. Bell, LeRoy Gross 2014-3-13 6244 Riverside Orocopia Mountains; southern section of range; approximately 1.9 air miles west northwest of Clemens Well. 285 Comment
  SEINET7073307  Camissonia bistorta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR136270  Camissonia bistorta A. C. Sanders 2004-4-20 27546 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
  RSA774298  Camissonia boothii Duncan S. Bell 2011-4-7 2184 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  RSA776932  Camissonia boothii subsp. condensata Amber Swanson, Duncan S. Bell 2011-3-11 215 Riverside On Willis Trail, Willis Palm Oasis near spring off Thousand Palms Rd in the Coachella Valley Preserve. 104 Comment
  SEINET10389808  Camissonia brevipes A. C. Sanders, Jim Malusa 2015-3-11 41399 Riverside Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  POM250400  Camissonia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6763 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  RSA775814  Camissonia brevipes subsp. brevipes Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 838 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine,' rolling bajadas adjacent rocky hills, separated by small wash fingers 451 Comment
  CSUSB180  Camissonia californica Steve Kulju 1974-4-27 Riverside Box Springs Mountains Box Springs Mountains; dirt road to the radio tower, 4 miles from Pigeon Pass Road. 761 Comment
  JOTR29161  Camissonia californica La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1238 Riverside Joshua Tree National Park. Key's view Comment
  RSA137350  Camissonia californica David Gregory 1958-4-11 2 Riverside Sandy wash in side canyon off Morongo Canyon, northwestern Colorado Desert. Comment
  RSA782531  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 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
  RSA653548  Camissonia campestris Scott D. White 1999-5-24 7400 (unic.) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  POM248149  Camissonia cardiophylla Unspecified 1939-1 s.n. Riverside near Mecca Comment
  SEINET10453218  Camissonia cardiophylla subsp. cardiophylla Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 22 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UCR249518  Camissonia claviformis T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7283 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA135223  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11425 Riverside United States Highway 99 [Hwy 10], 6.5 miles north-west of Indio. Comment
  RSA135285  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11484 Riverside 24.7 miles east of turn to Corn Springs, Chuckwalla Mountains. Comment
  RSA444306  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-1-29 4177 Riverside Low sand dunes NE of Fred Warring [Waring] Drive, Palm Desert. [seed voucher] Comment
  RSA682857  Camissonia claviformis subsp. aurantiaca Scott D. White 2003-3-20 8829 Riverside Coachella Valley: Immediately north of the I-10 / Jefferson Av. freeway interchange. 12 Comment
  RSA718878  Camissonia claviformis subsp. aurantiaca Michael Honer, L. Hulse 2004-4-14 1947 Riverside Rice Valley; appx. 2 mi. SE of Rice. 240 Comment
  SEINET7048026  Camissonia claviformis subsp. peirsonii Steven R. Hill, Kate Kramer 2001-4-27 33495 A Riverside California Route 86, west side of U.S. Navy Salton Sea Test Base road just east of Route 86. About 10.4 miles south of Salton City. Elevation 16 feet. 4 Comment
  UC20483  Camissonia confusa H. M. Hall July, 1901 Riverside Fuller's Mill Mountains San Jacinto Mountains 1584 Comment
  UCR92346  Camissonia confusa Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  UCR280966  Camissonia hirtella Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 36 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR98302  Camissonia hirtella Scott D. White 1993-5-29 1458 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR121178  Camissonia ignota D. E. Bramlet 1990-4-27 1987 Riverside 1,000 ft. (~0.2 mi.) south of Crown Valley and 200 ft. west of access road 631 Comment
  UCR87983  Camissonia ignota Karin Cleary 1992-4-6 115 Riverside near top of ridge west of California St., [Reinhardt Canyon] Hemet 610 Comment
  UCR126263  Camissonia pallida Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  RSA339675  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1980-5-28 54218 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
  RSA458837  Camissonia pallida subsp. pallida N. R. Zabriskie 1973-4-5 621 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  RSA777628  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi S. Fraga 2011-3-17 765 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UC56459  Camissonia strigulosa H. M. Hall Apr. 1903 3842 Riverside Moreno Valley Comment
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Mar 20 2011
  UC56464  Camissonia strigulosa H. M. Hall 1902-4-7 2755 Riverside vicinity of Riverside 457 Comment
  UCR178847  Camissonia strigulosa Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 141 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR44448  Camissonia strigulosa A. C. Sanders, B. Pitzer 1986-4-30 6472 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  OBI42569  Camissoniopsis confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mts, upper part of the trl toward Spitler Peak from the Hurkey Crk camp to Bonita Vista Rd 1829 Comment
  UC206791  Camissoniopsis ignota unknown 1905-5-18 Riverside Wilder's Comment
  SBBG122709  Camissoniopsis pallida S. D. White 2005-3-29 10848 Riverside alluvial fan and benches W of San Gorgonio river and S of Interstate-10 Freeway, W of existing gravel quarry, Cabazon 585 Comment
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Mar 30 2014
  UC279689  Camissoniopsis pallida subsp. pallida Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs; Eagle Canyon 106 Comment
  UCR166099  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16206 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  UCSB4471  Camissoniopsis pallida subsp. pallida Koran, John 1958-4-15 Riverside 4.5 miles W. of HWY 111 on HWY 74, Just west of Palm Desert Comment
  SEINET1869530  Campanulaceae H. M. Hall 1905-1 5819 Riverside Eastern base of Indio Mt., Colorado Desert. 150 Comment
  RSA650983  Capsella bursa-pastoris Robert Arias 1953-1-18 s.n. Riverside Clum Ranch Ave. 54 Thermal. Comment
  UCR89424  Cardamine debilis G. Foster 1994-12-5 s.n. Riverside Calimesa: Hollandia Farms, 1100 S 7th Street Comment
  RSA495446  Carex Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2974 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  POM14312  Carex hassei Phillip A. Munz 1922-6-27 5862 Riverside Santa Rosa Mountains. 2012 Comment
  RSA364677  Carex heteroneura Anstruther Davidson s.n. Riverside Idyllwild. San Jacinto. Comment
  CAS-BOT-BC117866  Carex sartwelliana C. Epling; Wm. Robison 1935-6-30 s.n. Riverside N. Fork San Jacinto River. Comment
  RSA682366  Carex sartwelliana Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1700 Riverside Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  RSA192147  Carex schottii H. A. Zuill 1966-4-1 111 Riverside About 10 miles WSW of Murrieta, Tenaja Canyon,. Comment
  SD112272  Carex senta Darley Howe 1941-6-8 1333 Riverside San Jacinto Mts, Strawberry Creek. Comment
  CLARK-A1528-1691  Carthamus tinctorius John C. Roos 1965-7-7 Riverside Beaumont Comment
  UC1922343  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy. 74). Comment
  RSA400521  Castilleja angustifolia Frances L. Cramer 1941-5-3 20325 Riverside Joshua Tree National Monument Comment
  POM305710  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1029 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCR162951  Castilleja densiflora Fred M. Roberts, R. E. Riefner Jr. 2005-3-31 6138 Riverside Upper Salt Creek, W of Hemet, 200m east of Calif. Rd and 300m south of Stetson Rd, 1.8km WSW Ryan Field 456 Comment
  RSA0010925  Castilleja exserta subsp. exserta Duncan S. Bell, Joy D. England 2010-5-27 1127 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  SEINET7063419  Castilleja exserta subsp. exserta A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile below the dam in Railroad Canyon east of Lake Elsinore. UTM Zone 11, 469824mE, 3727524mN. (WGS84/NAD83). 402 Comment
  RSA0010927  Castilleja exserta subsp. exserta P. A. Munz 1927-5-21 10837 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  UCR100041  Castilleja foliolosa Scott D. White 1994-4-23 2050 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR120934  Castilleja foliolosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24934 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA674609  Castilleja minor Scott D. White 2000-8-5 8110 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA0010911  Castilleja minor subsp. spiralis C. M. Dammers 1930-10 s.n. Riverside Palm Springs. Comment
  CDA6525  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region; Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. Comment
  CAS-BOT-BC38138  Caulanthus amplexicaulis E. A. McGregor 1941-6-12 2 Riverside San Gabriel Mountains. Idyllwild. Comment
  JOTR37755  Caulanthus cooperi Hodges, Stephen R. 2016-2-29 712 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UCR162268  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  SBBG2444  Caulanthus lasiophyllus K. K. Muller 1958-3-21 907 Riverside Whitewater Cyn, 1.5 mi N of Interstate 70 Comment
  SBBG101779  Caulanthus simulans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6023 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC64615  Caulanthus simulans H. M. Hall May 17, 1901-Jun 1, 1901 Riverside Coahuilla , summit Nigger Jim Hill 1524 Comment
  CAS-BOT-BC421495  Ceanothus crassifolius L. Nye; G. Gust 2005-3-11 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  RSA614127  Ceanothus crassifolius D. L. Banks 1997-2-23 1294 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 368 Comment
  UCR68479  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3019 Riverside Peninsular Range, Vail Lake area, 1 mi west of Vail Lake 640 Comment
  UCR90987  Ceanothus crassifolius Scott D. White 1996-3-31 3873 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA399034  Ceanothus cuneatus Elbert Benjamine 1929-5-18 2028 Riverside Mt. San Jacinto. 915 Comment
  UCR160056  Ceanothus cuneatus var. cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCR132921  Ceanothus greggii 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
  UC1073272  Ceanothus greggii var. perplexans George B. Rossbach 1955-4-28 344 Riverside just S of N boundary of San Bernardino National Forest, San Jacinto Mountains, Route 78, SE of Banning Comment
  UC729545  Ceanothus greggii var. perplexans Carl B. Wolf 1932-5-24 3655 Riverside N base of San Jacinto Mountains, Snow Creek Canyon, 1 mi above fish hatchery 792 Comment
  POM254880  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  UCR182565  Ceanothus leucodermis Andrea Salzman 2006-5-16 115 Riverside Peninsular Range, Silverado site, Durasno Valley 1346 Comment
  RSA0060582  Ceanothus leucodermis Bob Rogers 1984-5-5 31 Riverside Collected along a trail bordering the West side of Fuller Mill Creek heading upstream. Starting point was on the North side of hwy 243, 11.6 miles from hwy 74/hwy243 jctn. 1524 Comment
  UCR68475  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3018 Riverside Peninsular Range, Vail Lake area, 1 mi west of Vail Lake 640 Comment
  UCR93032  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8011 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mt., Agua TibiaWilderness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd. 1000 Comment
  RSA0019593  Ceanothus palmeri Keith E. Hoffmaster 1937-6-6 776 Riverside San Jacinto Mountains. Comment
  UCR120908  Ceanothus perplexans A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24949 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR60865  Ceanothus perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3251 Riverside San Jacinto Mtns., Anza Valley, along Hwy 371, 0.5 mi south of the junction with Hwy 74 1463 Comment
  RSA0022333  Ceanothus perplexans P. A. Munz, I. M. Johnston 1922-5-19 5448 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  LA44932  Ceanothus spinosus Norman C. Cooper; 1944-6-17 1444 Riverside San Jacinto Mountains, Pine Cove 1523 Comment
  UCR46712  Ceanothus tomentosus D. C. Hawks 1987-3-2 s.n. Riverside Peninsular Range; San Jacinto Mtns. Region, south of Hemet, [near confluence of Pixley Canyon and Goodhart Canyon] intersection of Palm Ave. and Saddle Ridge Rd. 473 Comment
  SEINET273063  Ceanothus tomentosus subsp. olivaceus A. C. Sanders 1997-3-19 20060 Riverside Lake Skinner area: upper Rawson Canyon W of Black Mtn. along the road from Lake Skinner 549 Comment
  RSA519202  Ceanothus tomentosus var. olivaceus E. Lee Overholtzer 1961-3-12 131 Riverside Santa Ana Mts. On skyline Drive 2 miles west from Kremer Ranch. Mouth of Tin Mine Canyon. Comment
  UC1280931  Celtis reticulata H. E. McMinn 1935-6-27 4077 Riverside near Banning; near Banning Comment
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Mar 13 2011
  CDA7294  Centaurea X pouzinii F. J. Willmarth 1961-10-18 Riverside Old Fuller Rancho, near Corona. 0 Comment
  CDA7296  Centaurea X pouzinii E. R. Johnson 1946-9-3 Riverside Corona 0 Comment
  UCR85609  Centaurea cyanus Michael A. Patten 1993-6-23 s.n. Riverside Northern Santa Rosa Plateau, Santa Ana Mtns along Avenida La Cresta c. 3 mi west of Clinton Keith Rd 673 Comment
  CLARK-A1528-180  Centaurea solstitialis John C. Roos 1951-9-25 5253 Riverside Riverside Comment
  RSA735927  Centaurea solstitialis Scott D. White, Justin M. Wood 2008-5-29 12043 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  POM230721  Centaurium exaltatum Edward Anderson 1935-8-21 6790 Riverside Hemet lake. 1300 Comment
  RSA697665  Centaurium exaltatum J. R. Bruff 1934-4-19 540 Riverside Pinon belt-Palms & Pines Hiwy Comment
  POM49813  Centaurium venustum H. M. Hall 1901-06 2106 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  RSA289807  Centaurium venustum Barry A. Prigge 1980-8-12 3938 Riverside San Bernardino Mountains, Whitewater Canyon: 0.7 mile WNW of trout farm. 720 Comment
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Jan 14 2010
  UCR90619  Centaurium venustum Scott D. White 1995-6-29 3401 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  CAS-BOT-BC279120  Centromadia pungens subsp. laevis D. Bramlet 1989-8-7 1938 Riverside Southwest corner of Lake Elsinore, 700m. northwest of Rome Hill, just off private drive (Lucerne St.?), some 400m. east of Grand 428 Comment
  RSA764881  Centromadia pungens subsp. laevis Justin M. Wood 2010-9-8 2600 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  SD248327  Centromadia pungens subsp. laevis Kevin B. Clark 2004-5-27 1 Riverside Menifee Valley, ca. 1.0 mile west of Murrieta Rd., 0.5 mile south of Newport Rd., on east-west dirt road on old ranch. 427 Comment
  SD211550  Centromadia pungens subsp. pungens Scott D. White 2008-8-20 12535 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameris and Oleander Streets. (Perrs, Sunnymead) 445 Comment
  SD6128  Centrostegia thurberi 1917-5-1 Riverside Mojave Desert near Hesperia Comment
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Nov 20 2011
  UCR63956  Centrostegia thurberi Chet McGaugh 1990-7-31 s.n. Riverside Peninsular Range, SW Durasno Valley, south of town of Anza 1372 Comment
  CLARK-A1045-880  Cerastium glomeratum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  JOTR31978  Cercidium floridum subsp. floridum La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2214 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  POM11522  Cercocarpus betuloides Philip A. Munz 1922-6-30 5925 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA575081  Cercocarpus betuloides Steve D. Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, eastern flank of the range in Santa Rosa Canyon, along Santa Rosa Road adjacent to small, old quarry. 610 Comment
  JOTR30772  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  SDSU13900  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  SD152948  Chaenactis artemisiifolia Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7335 Riverside Southern Santa Ana Mountains; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon. 365 Comment
  UCR154449  Chaenactis artemisiifolia A. C. Sanders, Mike Misenhelter 2005-6-15 30960 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CAS-BOT-BC276389  Chaenactis carphoclinia Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC293742  Chaenactis carphoclinia Mona Bourell 1987-4-14 3269 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca 150 Comment
  SEINET3005068  Chaenactis carphoclinia G. Rink 2011-5-1 10506 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  JOTR34311  Chaenactis carphoclinia var. carphoclinia Andre, Jim 2012-4-11 20726 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  RSA0117923  Chaenactis carphoclinia var. carphoclinia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7640 Riverside Mecca Hills: Meccacopia Trail just east of Shaver's Well. Eastern Mecca Hills, south edge of Shaver's Valley, just west of Orocopia Mountains, east of Box Canyon, east-northeast of Mecca. 301 Comment
  UC90179  Chaenactis carphoclinia var. carphoclinia S. B. and W. F. Parish 1882-4-1 Riverside Aqua Caliente Comment
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Jun 9 2012
  CAS-BOT-BC276902  Chaenactis fremontii R. Bacigalupi No date on label 108 Riverside Eagle Canyon, Colorado Desert Comment
  POM259906  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA0124032  Chaenactis fremontii Duncan S. Bell, LeRoy Gross 2016-3-10 8877 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
  UCR226863  Chaenactis fremontii Jim Andre 2011-2-9 15943 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
  UCR133958  Chaenactis glabriuscula Mitch Provance, J. S. Ross 1998-3-27 MOR- 968 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  SEINET7450233 Image available Chaenactis glabriuscula G. R. Hall 1905-1 8486 Riverside Riverside. Comment
  CAS-BOT-BC277413  Chaenactis glabriuscula var. glabriuscula M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2955 Riverside Temescal Canyon Rd. ca. 1 mi. SE of Glenn Ivy Hotsprings [Hot Springs], ca. 200 meters from RR overpass 259 Comment
  POM9388  Chaenactis glabriuscula var. lanosa I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  CAS-BOT-BC100667  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa, Santa Rosa Mts. Comment
  JEPS30496  Chaenactis stevioides Peter H. Raven 1958-1-24 11471 Riverside 4.5 mi n of State Highway 195 (on road to Cottonwood Springs) Comment
  POM230183  Chaenactis stevioides I. W. Clokey 1933-4-17 6942 Riverside Cottonwood Springs. Comment
  UC1563113  Chaenactis stevioides Steve Boyd and Orlando Mistretta 1986-3-13 1426 Riverside ne of Desert Center (jtn of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 Comment
  UC69077  Chaenactis stevioides H. M. Hall 1905-4-1 5935 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UCD159797  Chaenactis stevioides Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  UCR102946  Chaenactis stevioides George K. Helmkamp 1998-4-4 3135 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA49386  Chaenactis stevioides var. stevioides P. A. Munz 1949-4-12 13026 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  RSA0020043  Chamaesyce abramsiana Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6015 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
  UCR241109  Chamaesyce abramsiana Tim Thomas, Paul Frank, Art Schaub, Michael Honer 2012-9-5 5884 Riverside Colorado River Valley, Wilson Road, 0.3 mi west of the river 104 Comment
  RSA793611  Chamaesyce micromera Duncan S. Bell, Aaron Sedgwick 2012-9-13 4202 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  SEINET5742575 Image available Chamaesyce polycarpa W. Steinmann 1999-1 1416 Riverside Foothills of the Chuckwalla Moutains, open desert ca. 2 km S of Desert Center.; Desert Center 325 Comment
  CDA4865  Chamaesyce prostrata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside North side of Blaine Street just west of Gage Canal, Riverside. Comment
  UCR138819  Chamomilla suaveolens D. L. Banks 1997-2-23 1291 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  POM12438  Cheilanthes clevelandii P. A. Munz 1922-4-30 5129 Riverside Tuscalota Creek, south of Hemet. Comment
  UCD169089  Cheilanthes clevelandii A. C. Sanders; Mitch Provance, E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 915 Comment
  POM11675  Cheilanthes covillei P. A. Munz, I. M. Johnston 1922-5-19 5435 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA301975  Cheilanthes covillei J. R. Shevock 1970-12-13 567 Riverside Cap Rock, Joshua Tree 1371 Comment
  UCR151107  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  SEINET3124930 Image available Cheilanthes parryi Andrew C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-1 15925 Riverside Sonoran (Colorado) Desert; Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 580 Comment
  POM120427  Cheilanthes viscida W. G. Wright s.n. Riverside Whitewater Canyon Comment
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Apr 30 2011
  UCR91559  Cheilanthes viscida A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15910 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  RSA666612  Chenopodium album var. missouriense Mitch Provance 2000-10-14 2256 Riverside Jurupa Mountains: Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. [Coordinates are off] 287 Comment
  RSA466280B  Chenopodium ambrosioides S. J. Myers 1987-10-27 s.n. Riverside Ca. 3 mi. W of Temecula, NE portion of plateau, 3/4 mi. E of Walker Basin. Comment
  RSA423414  Chenopodium ambrosioides H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon. 549 Comment
  UCR242659  Chenopodium berlandieri A. C. Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains, near central Idyllwild, west side of Hwy 243 at road junction to Astrocamp (Saunders Meadow Rd.) and 0.15 km NE of Tollgate Rd. junction 1596 Comment
  RSA543170  Chenopodium californicum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6080 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA567983  Chenopodium californicum Karin Cleary 1992-4-6 112 Riverside Drainage depression W of California St., Reinholt Canyon, Hemet. 579 Comment
  UCR272128  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  JEPS59753  Chenopodium murale W. L. Jepson 1901-5-16 1224 Riverside Riverside 266 Comment
  SD146305  Chenopodium pratericola A. C. Sanders, Mitch Provance and T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley; along Dillon Road at junction with Tyler, north of I-10, east of Indio and north of Coachella. 4 Comment
  POM14860  Chenopodium rubrum H. L. Bauer 1922-11-14 s.n. Riverside San Jacinto River Bed, near Lake Elsinore. Comment
  POM319739  Chenopodium rubrum Patricia Wilder 1970-10-15 4783 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  UCR115158  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  CAS-BOT-BC184864  Chloris virgata Fred M. Reed 1904-8-14 94 Riverside On Monroe Street between Duffer's and Victoria Aremnes-Arlington Heights. Comment
  RSA0016353  Chlorogalum parviflorum Duncan S. Bell, David Bernie, Kurt Broz, Kim Clark, James Fournier, Shasta Gaughen, Holly Gray, Ed Howland 2013-6-7 5041 Riverside Pala Indian Reservation, back behind the water tower on the southern flanks of Tourmaline Queen Mountain. 177 Comment
  RSA192143  Chlorogalum parviflorum H. A. Zuill 1966-6-19 222 Riverside 6 miles SW of Murrieta on the road to Los Alamos Ranch. Comment
  SEINET238916  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area: Diamond Valley along State Street (R3) ca. 1/2 mi. N of Newport Rd. S of Hemet (Hemet 7. 488 Comment
  RSA709901  Chorizanthe brevicornu Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4604 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC68578  Chorizanthe brevicornu var. brevicornu H. M. Hall May, 1905 6029 Riverside near Pinto Mountains; Colorado Desert, near Pinto Mountains Comment
  RSA392658  Chorizanthe corrugata N. C. Cooper 1949-4-8 3306 Riverside Desert Center. 610 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
  SEINET4182863  Chorizanthe corrugata N. Holmgren, P. Holmgren, R. Kern 1973-3-23 6489 Riverside Palen Valley, 15 miles northeast of Desert Center 183 Comment
  UCR139156  Chorizanthe leptotheca S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR100159  Chorizanthe parryi Scott D. White 1994-4-23 2036 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR102868  Chorizanthe polygonoides subsp. longispina A. C. Sanders 1997-3-26 20120 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
  UCR260515  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7997 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR281469  Chorizanthe polygonoides var. longispina Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-4-5 417- 92 Riverside Temescal Valley, S side of De Palma Rd, about 0.5 mile WNW of Horsethief Canyon Rd. 400 Comment
  POM98786  Chorizanthe rigida P. A. Munz 1926-1-31 9968 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA777391  Chorizanthe rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 793 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA0034948  Chorizanthe rigida Lee Haines 1952-4-6 s.n. Riverside Box Canyon Road. [county not specified] Comment
  RSA586721  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-17 0444 A Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area; along the Dripping Springs Trail. 671 Comment
  RSA746811  Chorizanthe staticoides Michael Honer 2003-7-15 1847 Riverside Rainbow area, just north of the San Diego County boundary and west of the I-15 Freeway. 366 Comment
  SEINET3087439 Image available Chorizanthe xanti subsp. leucotheca Robert F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside San Bernardino Mtns.; rocky and sandy wash along Whitewater River, 3.2 mi. north of White Water post office and Highway 10 518 Comment
  RSA763414  Chorizanthe xanti var. leucotheca Justin M. Wood 2009-5-11 688 Riverside [San Jacinto Mountains:] Garner Valley, Quinn Flat area. 1372 Comment
  RSA607247  Chrysothamnus teretifolius R. S. Woglum 1937-10-20 1195 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  UC1184373  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11752 Riverside along US Hwy 95 37.5 mi n Blythe (near Colorado River) Comment
  CLARK-A1703-1185  Cirsium occidentale Charles S. Papp 1965-6-13 856 Riverside San Jacinto 914 Comment
  CAS-BOT-BC287959  Cirsium occidentale var. californicum John Thomas Howell 1931-5-31 6601 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UCR111  Cirsium occidentale var. californicum R. O. Perez 1955-5-20 s.n. Riverside San Jacinto Mtns., west side of Mt. San Jacinto [vicinity of White Post Turn, below Mountain Center] along Hwy 74 1070 Comment
  CAS-BOT-BC285634  Cirsium occidentale var. occidentale John Thomas Howell 1930-5-11 4865 Riverside Temescal Canyon, 1 mile south of Alberhill Comment
  UCR1624  Cirsium occidentale var. occidentale Leland R. Dykes 1962-5-8 105 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 14 mi west of Palomar Road [=Washington Ave.] in Murrieta [probably 2-3 miles west of Tenaja Guard Station] Comment
  UCR159248  Cirsium vulgare A. C. Sanders, Kelly Volansky 2005-8-31 31581 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
  POM13216  Cistanthe ambigua E. C. Jaeger 1921-04 1130 Riverside Painted canyon, near Mecca. Comment
  RSA586033  Cistanthe monandra D. L. Banks, Steve Boyd 1995-3-16 0085 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  UCR174325  Clarkia epilobioides A. C. Sanders, T. B. Salvato 2006-6-2 33088 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
  UCR91640  Clarkia epilobioides D. L. Banks, Steve Boyd 1995-5-9 0381 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR232073  Clarkia purpurea John F. Green 2008-4-24 16- 03 Riverside Peninsular Range; SE Gavilan Hills, Lake Elsinore, west of Hwy 74 453 Comment
  UCR268275  Clarkia rhomboidea Jim Andre 2012-6-15 30537 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  POM153216  Clarkia similis P. A. Munz 1927-5-20 10816 Riverside 10 miles S. of Hemet. Comment
  RSA707889  Clarkia similis Scott D. White, Angelia Carey 2004-4-16 10159 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR372  Claytonia parviflora subsp. parviflora Linda Stangor 1974-5-27 s.n. Riverside Peninsular Range, San Jacinto Mtns., Banning to Idyllwild Hwy [243], 3 mi. past 4000 ft. marker [= c. 3 mi SE of McMullen Flat] 1311 Comment
  UCR120156  Claytonia perfoliata Mitch Provance 1998-2-28 124 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  RSA585627  Claytonia perfoliata subsp. perfoliata D. L. Banks, Steve Boyd 1995-3-15 0062 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  UCR79476  Clematis ligusticifolia Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7676 Riverside Southern Santa Ana Mountains, San Mateo 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. 671 Comment
  POM363  Clematis pauciflora I. M. Johnston 1918-5-30 2025 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
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Aug 9 2010
  UCR50391  Clematis pauciflora L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Santa Rosa Plateau, Mesa de la Punta, Santa Rosa Springs Ranch 610 Comment
  JOTR30956  Coleogyne ramosissima La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1931 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  CHSC108882  Collinsia concolor Duncan S. Bell; Valentin Arvizu 2010-5-10 983 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  POM19573  Collinsia concolor Mary F. Spencer 1923-6-9 2166 Riverside In Idyllwild. 1646 Comment
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Oct 22 2011
  RSA487448  Collinsia concolor Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  SD129528  Collinsia concolor Miles Fellows 1985-4-9 143 Riverside Oasis de Los Osos Preserve of The Nature Conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mountains, above old house site Comment
  UCR171984  Collinsia heterophylla John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  SBBG53832  Colubrina californica J. C. Roos 1967-11-11 Riverside Chuckwalla Mtns, 3 mi SE of Desert Center Comment
  UCR75070  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0024815  Condalia globosa var. pubescens Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-23 4461 Riverside Orocopia Mountains; southeast section of range, south of Salt Creek, about 0.25 air mile south of the Bradshaw Trail. 469 Comment
  RSA394802  Convolvulus arvensis Luther A. Rice 1891-6-1 s.n. Riverside Near Riverside Comment
  RSA496374  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3049 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  UCR189583  Convolvulus simulans Ryann Loomis 2006-6-6 017 Riverside Peninsular Range, Perris-Aguanga Basin, 1.2 mi north of northwestern corner of Vail Lake, on peak of Oak Mountain 817 Comment
  UCR92353  Conyza bonariensis Scott D. White, S. Ogg 1994-10-17 2462 .2 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  UCR145974  Conyza canadensis June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  JEPS6760  Cordylanthus nevinii W. L. Jepson 1903-8-6 2274 Riverside Dark Canyon San Jacinto Mountains Comment
  RSA0051769  Coreopsis bigelovii A. Lee Haines 1973-3-24 s.n. Riverside Whitewater River Canyon. 548 Comment
  CDA19738  Corethrogyne filaginifolia var. virgata H. R. Leach 1958-9-12 s.n. Riverside Southern California; River Valley. 0 Comment
  SDSU13532  Cotula coronopifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR45969  Crassocephalum crepidioides Don Domenigoni 1986-7-15 631917 Riverside Peninsular Range, Cardiff Growers, Anza Rd, Temecula Comment
  RSA612698  Crassula aquatica D. L. Banks 1997-3-29 1600 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
  CAS-BOT-BC427778  Crassula connata John H. Thomas 1959-3-23 7573 B Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks. 609 Comment
  RSA180336  Crassula connata E. W. Lathrop 1965-4-25 5670 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  RSA560370  Crassula connata Steve Boyd 1992-4-14 6812 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA757637  Crassula connata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4317 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
  POM12939  Cressa truxillensis P. A. Munz, I. M. Johnston, I. M. Munz 1922-5-21 5543 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  RSA621537  Crossosoma bigelovii B. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3562 Riverside San Bernardino Mountains: Wildlands Conservancy's Mission Creek Preserve. 762 Comment
  LA28882  Croton californicus P. J. Remple; 1942-3-3 Riverside Garnet Springs near Palm Springs Comment
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Mar 13 2014
  RSA697578  Croton californicus Wilma Griset 1931-3-29 s.n. Riverside Indio (Edon) Comment
  SEINET6702017 Image available Croton californicus B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1488 Riverside Gavilan Peak. 610 Comment
  SEINET7863222 Image available Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of Hwy I-10 at Amtrak train station parking , just west of N. Indian Cyn Drive. 7.5' Quad: Desert Hot Springs. 186 Comment
  UCR193874  Cryptantha A. C. Sanders, Mitch Provance 2008-7-11 35820 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
  POM368199  Cryptantha angustifolia T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. Comment
  RSA278973  Cryptantha angustifolia B. A. Prigge, L. Martinez 1978-3-23 2422 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA775441  Cryptantha angustifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4443 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 W116.64309 487 Comment
  SBBG6233  Cryptantha angustifolia H. and M. Dearing 1942-3-3 4806 Riverside Cathedral City Comment
  UC665815  Cryptantha angustifolia Ira L. Wiggins 1941-3-24 9574 Riverside 2.7 mi s Mortmar (along e side of Salton Sea); Salton Sea Comment
  UC665819  Cryptantha angustifolia Ira L. Wiggins 1941-5-24 9562 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  UCR224999  Cryptantha angustifolia Dave Silverman 2010-3-23 7820 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well 128 Comment
  UCR269876  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2016-3-18 42362 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  POM184300  Cryptantha barbigera P. A. Munz 1932-3-14 11991 Riverside Palm Springs. 91 Comment
  SJSU11359  Cryptantha barbigera R. C. McGehee 1970-4-15 199 Riverside Wileys Well 26 mi SW of Blythe Comment
  UC1168707  Cryptantha barbigera Peter H. Raven 1958-3-16 11869 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  UC1546670  Cryptantha barbigera Barry A. Prigge 1988-2-21 7849 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  POM96832  Cryptantha barbigera F. M. Reed 1926-3-3 5162 Riverside Wash of Whitewater River near Bridge on Hwy. Comment
  SEINET10455562  Cryptantha barbigera A. K. Evans 1976-4-13 Evans 5186 Riverside Rocky slopes of Santa Rosa mountains. Comment
  UCR20839  Cryptantha costata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1304 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR24507  Cryptantha costata L. F. LaPre 1981-4-14 s.n. Riverside Coachella Valley, Palm Desert; 2 mi north of junction of Monterey Ave. & Country Club Dr. Comment
  RSA0078964  Cryptantha cycloptera Theo Glenn 1992-3-31 92 -8 Riverside Colorado Desert. North side Of Eagle Mountains, Storm Jade Mine. Comment
  UCR116606  Cryptantha decipiens A. C. Sanders 2001-4-8 23978 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  POM368267  Cryptantha intermedia Christopher Davidson, Robert Gustafson 1977-4-7 5579 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. 610 Comment
  RSA4392  Cryptantha intermedia C. B. Wolf 1932-3-20 38 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA495410  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2945 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA499723  Cryptantha intermedia W. P. Burger 1979-4-28 64 Riverside Along Carancho Road, just past where stream crosses road, Hidden Valley. 366 Comment
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Jan 11 2016
  RSA726862  Cryptantha intermedia Steve Boyd, Aydee Virgen 2004-4-13 10886 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR155046  Cryptantha intermedia Jason L. Hlebakos 2005-5-30 820 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  RSA0075621  Cryptantha intermedia var. johnstonii J. Mark Porter, V. Soza, Gary Wallace 2001-4-2 12337 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  JEPS119477  Cryptantha maritima Clark Cowan 1978-4-23 1175 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Comment
  UC100901  Cryptantha maritima H. M. Hall 1905-4-23 5858 Riverside Canyon Springs Colorado Desert Comment
  UC998315  Cryptantha maritima H. K. Wagnon 1944-3-12 325 Riverside Cathedral City Cathedral Canyon Comment
  UCR52018  Cryptantha maritima var. pilosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2179 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  JEPS67969  Cryptantha micrantha W. L. Jepson 1901-5-19 1308 b Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  POM6647  Cryptantha micrantha P. A. Munz 1919-3-27 2344 Riverside Salton Sea Comment
  RSA145650  Cryptantha micrantha var. lepida P. H. Raven 1959-5-18 s.n. Riverside Lake Fulmor, San Jacinto Mountains Comment
  SBBG101668  Cryptantha micromeres S. Boyd 1991-5-20 6274 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  RSA33566  Cryptantha muricata N. C. Cooper 1944-3-24 1026 Riverside Banning. 701 Comment
  RSA786102  Cryptantha muricata C. P. Cowan 1978-4-25 1273 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  RSA703811  Cryptantha nevadensis LeRoy Gross 2005-3-3 1597 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA0079482  Cryptantha pterocarya var. pterocarya J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  GMDRC5833  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) 242 Comment
  RSA499794  Cryptantha racemosa Anstruther Davidson 1904-5-1 1817 Riverside Palm Springs. Comment
  RSA659692  Cryptantha racemosa J. C. Roos 1948-5-1 3815 Riverside Whitewater. 610 Comment
  CLARK-A1045-299  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  UCR244403  Cryptantha utahensis Jim Andre 2012-4-16 20985 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
  UCR116778  Cucurbita foetidissima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24169 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA792480  Cucurbita palmata Justin M. Wood, Dustin Ray 2011-4-28 3849 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UC28914  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity Riverside 457 Comment
  RSA700862  Cuscuta Michael Wall 1996-7-6 192 Riverside San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  RSA597140  Cuscuta californica L. C. Wheeler 1962-7-26 8177 Riverside Head of San Juan Creek. Comment
  RSA674613  Cuscuta californica Scott D. White 2000-8-5 8106 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  RSA795921  Cuscuta denticulata Duncan S. Bell 2009-4-19 289 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA0097551  Cylindropuntia bigelovii Marc A. Baker 2015-4-7 18303 Riverside 1.7 km NE of White Water Hill, just west of Hwy 62, 2 km north of its junction with Interstate 10, 13 km NW of central Palm Springs. 353 Comment
  RSA65624  Cylindropuntia echinocarpa F. W. Peirson 1928-4-24 7901 Riverside Hills north and northeast of Cottonwood Springs, north end of Colorado Desert. Comment
  SD164925  Cylindropuntia munzii Marc A. Baker, Tom F. Daniel 1984-3-24 4942 Riverside Above Chuckawalla Well. (IPB 7/07) 609 Comment
  SEINET7249312  Cylindropuntia munzii Andrew C. Sanders, Tim Thomas, T. B. Salvato 2012-1 Riverside Comment
  UCD97951  Cylindropuntia ramosissima Lionel A. Stange 1956-4-1 s.n. Riverside Near Forty Nine Palms oasis. Comment
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Jul 1 2012
  UCR88168  Cyperus acuminatus 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
  UCR201864  Cyperus erythrorhizos Justin M. Wood 2008-9-19 131 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR115345  Cyrtomium falcatum A. C. Sanders, Steve Boyd 2000-11-30 23727 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  CAS-BOT-BC70570  Cystopteris fragilis H. E. Hasse 1903-7-1 s.n. Riverside Tahquitz Valley, San Jacinto Mt. Comment
  POM9800  Cystopteris fragilis E. C. Jaeger 1921-6-15 274 Riverside San Jacinto Mountains: below Round Valley. Comment
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Nov 19 2011
  UCR138565  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1468 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR34324  Dalea mollis P. Shaw, Jeanine Derby 1984-2-6 s.n. Riverside Sonoran (Colorado) Desert, 10 mi. NW of Blythe along the Midland Road Comment
  UCR41813  Dalea mollis A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6039 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  CAS-BOT-BC283041  Dasyochloa pulchella Welder 1907-4-1 s.n. Riverside Murray Wash, Palm Springs Comment
  RSA586337  Datisca glomerata D. L. Banks, S. D. Boyd 1995-5-3 0202 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
  RSA0108944  Datura discolor Duncan S. Bell, Amanda Bell 2012-1-28 3066 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA736703  Datura wrightii Scott D. White 2004-4-26 10245 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR139652  Datura wrightii A. C. Sanders 2004-7-1 28374 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
  UCR251351  Datura wrightii S. J. Myers 2014-5-21 1060 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR182426  Daucus pusillus Mitch Provance, A. Montalvo 2005-5-12 6700 Riverside Granitie Knolls and Mesas of Riverside, Riverside (Prenda area), land bordering the E side of Washington and the north side of Hermosa St. 335 Comment
  RSA703250  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -143 Riverside Moreno Vallaey, along Allesandro St. near Merwin St. intersection. 487 Comment
  UC1563109  Deinandra kelloggii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3673 Riverside below the dam Temecula Creek Canyon; Vail Lake Area 457 Comment
  JEPS38269  Deinandra paniculata W. L. Jepson 1901-5-17 1226 Riverside Comment
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May 15 2011
  UCR238219  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UC1922347  Deinandra 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. Comment
  RSA0120312  Delphinium cardinale Duncan S. Bell 2016-4-16 9315 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC9216  Delphinium parryi A. J. McClatchie April 1892 30 Riverside near Elsinore Comment
  UCR104941  Delphinium parryi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20696 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR16753  Delphinium parryi D. C. Wald 1967-5-13 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills near Lakeview, on slope opposite Big Rock 503 Comment
  RSA400030  Delphinium patens subsp. hepaticoideum J. C. Marvin 1921-4-1 s.n. Riverside Near Banning. Comment
  RSA563901  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCR128171  Deschampsia danthonioides Scott D. White, Michael Honer 2003-4-9 8968 Riverside Hemet area, Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm 473 Comment
  SEINET10527286  Deschampsia gracilis Philip A. Munz 1941-5-18 Munz 16645 Riverside Dried mud-flat, 15 miles NE of Temecula. Comment
  UC136971  Descurainia pinnata subsp. glabra T. S. Brandegee 1902-5-14 Riverside Whitewater; San Bernardino Comment
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Jan 15 2010
  UC212652  Descurainia pinnata subsp. glabra Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 274 Comment
  POM48535  Descurainia pinnata subsp. halictorum F. M. Reed 1925-3-17 4942 Riverside Palm Springs Comment
  SBBG51155  Dichelostemma capitatum subsp. pauciflorum W. Zabriskie 1973-3-21 Riverside Beeseep Cyn, Deep Cyn drainage 304 Comment
  RSA208915  Dichelostemma pulchellum var. pulchellum Robert L. Rutherford 267 Riverside Banning. Comment
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Mar 21 2011
  RSA501057B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3174 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC410767  Dicoria canescens Mrs. John C. Augsbury 1929-2-1 Riverside Indio Comment
  UC1007168  Dieteria canescens var. ziegleri Philip A. Munz 1938-8-13 15332 Riverside ridge near Santa Rosa Peak 2316 Comment
  SBBG47458  Diplacus longiflorus N. C. Cooper 1944-6-16 1428 Riverside Pine Cove 1524 Comment
  RSA0018433  Diplacus longiflorus var. calycinus David M. Thompson 1992-5-18 1070 Riverside 3.0 mi. s of foot of grade [this at 90 degrees turn allowing access to I-10 interchange] along Banning Grade (Hwy 243) in to San Jacinto Mts. 915 Comment
  SD178098  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  GMDRC5837  Ditaxis claryana J. M. Andre 2013-3-27 24823 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  HSC66632  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  SEINET3004975  Ditaxis lanceolata G. Rink 2011-3-30 10401 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  VVC690  Ditaxis lanceolata P. J. MacKay, T. Thomas 1997-2-8 106 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  RSA776941  Ditaxis lanceolata Amber Swanson 2011-3-19 234 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA0027580  Ditaxis neomexicana Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 34 Riverside South side of Chuckwalla Valley Rd. 3 miles E of Corn Springs. Comment
  RSA421751  Ditaxis neomexicana Robert L. Dressler 1951-11-22 1190 Riverside 6 mi. E. of Desert Center. Comment
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Apr 5 2011
  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
  UCR214292  Dithyrea californica A. C. Sanders, Richard Dwerlkotte 2010-3-22 37511 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  JEPS108466  Downingia bella Lisa Schultheis 1995-5-9 146 -95 Riverside Santa Rosa Plateau Preserve. Vernal Pool Trail, off of Via Volcano. Comment
  SD204853  Downingia bella R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55200 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de Colorado. 579 Comment
  UC860693  Drymocallis glandulosa var. viscida C. Epling, Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill; Mt. San Jacinto, btw Pine Flat Camp and Fuller's Mill Comment
  IRVC137  Dryopteris arguta Christie Duncan 1965-2-28 HS 530 Riverside Ortega Hwy [74]; El Carriso guard station. Peninsular Ranges, Santa Ana Mountains Comment
  IRVC19379  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  POM17775  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Temecula Canyon. Comment
  UC455350  Dudleya lanceolata I. J. Condit 1910-6-24 Riverside lower slope San Jacinto Mtns 609 Comment
  UCR78336  Dudleya multicaulis D. E. Bramlet 1993-5-5 2338 Riverside tributary to Olsen Canyon, c. 76m south of the canyon, and 90m east of the existing dirt road, c. 213m NE of the existing El Sobrante Landfill 375 Comment
  RSA0041954  Dudleya pulverulenta subsp. arizonica Duncan S. Bell, Marcel Beffort 2014-4-22 6601 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.25 air mile south of Aztec Well. 622 Comment
  SEINET3101914  Dudleya saxosa subsp. aloides Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17358 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain Comment
  RSA0125246  Echinocereus engelmannii var. engelmannii H. G. Rush 1951-6-6 184 Riverside Big Maria Mountain Range. 35 miles north of Blythe on Highway 95. 91 Comment
  UCR162568  Echinochloa crus-galli A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23170 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR82218  Echinochloa crus-galli J. M. Stewart 1994-5-2 846 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  RSA737428  Eichhornia crassipes Justin M. Wood 2008-8-31 128 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  UCR205879  Eichhornia crassipes R. E. Riefner Jr. 2009-2-25 09- 18 Riverside Peninsular Range, city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  RSA286814  Elatine brachysperma R. F. Thorne 1974-5-23 44678 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream 610 Comment
  SD68959  Elatine chilensis Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37559 Riverside Santa Rosa Plateau; shallow water of vernal marsh on Mesa de Colorado. 669 Comment
  RSA665175  Eleocharis engelmannii R. E. Riefner 2001-12-16 1 -777 Riverside Menifee Valley; West of Newport Ave. and I-215. R.E. 447 Comment
  JOTR28758  Eleocharis macrostachya La Doux, Tasha 2003-9-4 1038 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
  UCR182517  Eleocharis macrostachya Mitch Provance 2005-5-17 6568 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UC839226  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  POM14327  Eleocharis quinqueflora Phillip A. Munz 1922-7-7 6050 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  UCR125276  Eleusine indica A. C. Sanders 2002-11-21 25637 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  SEINET4208557  Elymus glaucus Scott D. White, Sandy Leatherman 2000-5-31 7979 Riverside Santa Ana Mts./Santa Rosa Plateau: Near Squaw Mountain.; 0 640 Comment
  RSA192306  Elymus glaucus subsp. glaucus E. W. Lathrop 1966-4-13 6173 Riverside 3.0 miles SW of Murrieta. Comment
  UCD62337  Elymus glaucus subsp. glaucus Peter Kamb 1948-7-4 1181 -b Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC204300  Elymus trachycaulus subsp. trachycaulus H. M. Hall 1901-6-1 2174 Riverside San Jacinto Mountains. In the meadows of Thomas Valley 1371 Comment
  RSA172266  Emmenanthe penduliflora Robert F. Thorne 1963-3-29 32438 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 534 Comment
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Apr 24 2011
  UCR244419  Emmenanthe penduliflora Jim Andre 2012-4-16 20914 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR279566  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43174 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
  RSA702044  Encelia actoni Scott D. White, Angelia Carey 2004-9-16 10751 Riverside San Jacinto Mountain foothills: San Jacinto Mountain foothills: Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  RSA707892  Encelia actoni Scott D. White, Angelia Carey 2004-4-16 10165 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR231758  Encelia actoni John F. Green 2008-4-23 09- 02 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  UCR37412  Encelia actoni Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  CAS-BOT-BC131349  Encelia farinosa Aven Nelson; Ruth Nelson 1939-3-24 3250 Riverside In the lower part of Palm Canyon Comment
  JEPS59916  Encelia farinosa Lewis S. Rose 1967-12-19 67180 Riverside La Quinta 15 Comment
  LA202447  Encelia farinosa A. M. Johnson; 1932-3-20 3904 Riverside Indian Wells, below Palm Springs Comment
  RSA593975  Encelia farinosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0960 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCD131209  Encelia farinosa James B. Garner 1959-3-17 s.n. Riverside vicinity of White Water, north of Palm Springs. Comment
  UCD131213  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley near Eden P.O. Comment
  POM19630  Encelia farinosa var. farinosa Mary F. Spencer 1923-6-5 2207 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  JOTR34056  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  CLARK-A1528-4994  Encelia virginensis subsp. actonii John C. Roos 1948-4-24 3790 Riverside Cabazon 547 Comment
  LA6787  Ephedra aspera Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  UC813669  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  CAS-BOT-BC81532  Ephedra californica Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  HSC62741  Ephedra californica R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54115 Riverside SAN Bernardino MTS. : Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  HSC66449  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside Whitewater Canyon Rd., (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near Start of Angeles [actually Pacific] Crest Trail. Hillside, N slope 610 Comment
  RSA0098481  Ephedra californica Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18292 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.9 km south of Augustine Pass. 660 Comment
  RSA663870  Ephedra californica C. R. Annable 1995-3-9 2252 Riverside ca. 14.5km NW of Palm Springs. N slope of Whitewater Hill. Comment
  SBBG402  Ephedra viridis H. and M. Dearing 1949-4-11 6748 Riverside above Cathedral City, Palms to Pines Hwy Comment
  UCR141255  Epilobium canum A. C. Sanders, Kelly Volansky 2004-10-6 28821 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  SDSU13550  Epilobium canum subsp. canum W. Miller, C. Mosse 1972-7-12 Riverside Comment
  CAS-BOT-BC171736  Epilobium canum subsp. latifolium Adele O. Merritt 1925-11-1 s.n. Riverside Palm Springs Comment
  UCR111759  Epilobium ciliatum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UC4492  Epipactis gigantea H. M. Hall July, 1901 2370 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1645 Comment
  RSA0037243  Equisetum funstonii Keith E. Hoffmaster 1934-4-22 s.n. Riverside Santa Ana Mts. Comment
  RSA741376  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside Johnson Meadow. 1415 Comment
  UCR159110  Eragrostis A. C. Sanders 1997-12-3 21627 Riverside Moreno Valley, March Air Base, near Riverside 466 Comment
  SEINET1906700  Eragrostis barrelieri A. C. Sanders, G. K. Helmkamp 1996-1 17978 Riverside Coachella Valley: palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  RSA737222  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR2379  Eragrostis mexicana subsp. mexicana F. M. Reed 1927-11-20 5680 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  UCR103783  Eragrostis pectinacea var. pectinacea Scott D. White 1994-10-17 2465 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR113924  Eragrostis pilosa var. pilosa Mitch Provance, A. C. Sanders 2000-7-4 2082 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA432676  Eremalche exilis N. C. Cooper 1949-4-8 3271 Riverside Mecca Pass east of Indio. 610 Comment
  UCR114144  Eremalche exilis B. G. Pitzer, J. Ross 1998-3-8 3605 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR6071  Eremalche exilis A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 8.4 mi. NW of Palm Springs Post Office on Highway 111, 200 yards north of highway 244 Comment
  CSUSB1385  Eremalche rotundifolia A. R. Gillogly 1966-3-10 Riverside 2 miles south of Palm Desert, 1/2 mile east Palm-To-Pines Highway 106 Comment
  CHSC109246  Eremogone macradenia var. macradenia Scott D. White; Justin M. Wood 2008-6-17 12182 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). Meadow and adjacent uplands. 1390 Comment
  UC472828  Eremothera boothii subsp. condensata Mary Fiske Spencer 1920-4-13 Riverside pr. Palm Springs; Colorado Desert, Tahquitz Canyon 152 Comment
  RSA0125284  Eremothera boothii subsp. desertorum Duncan S. Bell 2016-3-4 8789 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UC667370  Eremothera refracta Annie M. Alexander and Louise Kellogg 1941-5-15 2184 Riverside n base of Eagle Mts. Colorado Desert 914 Comment
  RSA0105461  Eriastrum densifolium subsp. austromontanum J. T. Howell 1927-8-2 574 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCR126199  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  UCR104932  Eriastrum sapphirinum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  UCR133003  Eriastrum sapphirinum 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
  UCR49767  Eriastrum sapphirinum D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  RSA0122976  Eriastrum sapphirinum subsp. sapphirinum W. Wisura 1986-9-18 4143 Riverside Along PCT N of Hwy 74 at Garner Valley. Comment
  SEINET2050747 Image available Ericameria brachylepis H. Dearing, M. Dearing 1940-11-10 5013 Riverside Whitewater Comment
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Jan 10 2018
  UCR34959  Ericameria cuneata L. B. Ziegler 1964-10-1 042 Riverside San Jacinto Mtns, Garner (Hemet) Valley, vicinity of Kenworthy 1418 Comment
  CAS-BOT-BC292795  Ericameria cuneata var. cuneata Ralph Hoffmann 1929-9-6 s.n. Riverside Naer Taquitz Pk., San Jacinto Mts. 2590 Comment
  POM359409  Ericameria linearifolia Mark Morris 1929-3-17 14925 Riverside Palm Canyon. Comment
  SEINET3146538  Ericameria monactis H. M. Hall sn Riverside W Riverside Comment
  SD260179  Ericameria nauseosa Mitch Provance 2013-6-18 613 32 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  JOTR32895  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  OBI16776  Ericameria paniculata P. A. Holden 1968-11-24 614 Riverside just W of Desert Hot Springs Comment
  SD115000  Ericameria parishii var. parishii Earl W. Lathrop 1979-6-19 7506 Riverside Cleveland National Forest, Trabuco District, Bedford Truck Trail, Southwest slope Pleasants Peak. 3.5 miles northwest Junction Eagle Pass Tr. 945 Comment
  POM10311  Ericameria pinifolia Charlotte M. Wilder 1904-09 386 Riverside W Riverside Comment
  RSA192006  Erigeron foliosus E. W. Lathrop 1966-5-15 6302 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA508340  Erigeron foliosus Ed LaRue 1989-5-28 s.n. Riverside 1.5 mi. NW Estelle Mountain, off Dawson Canyon Road; 1.5 mi. E. of Arcilla and 1.5 mi. SW of Monument Peak. 396 Comment
  RSA708569  Erigeron foliosus Scott D. White, Jennifer H. Jones 2005-5-24 11095 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  SD185133  Erigeron foliosus T. B. Salvato, John F. Green 2004-5-27 634 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR220150  Erigeron foliosus D. E. Bramlet 1989-5-15 1858 Riverside Peninsular Range, North Domenigoni Hills, near top of knoll 2184, 5600 ft. north of Newport Road and 9200 ft. east of the MWD canal 622 Comment
  POM357437  Erigeron foliosus var. foliosus Elbert Benjamine 1929-5-18 230 Riverside Mt. San Jacinto. Comment
  JOTR32351  Erigeron parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2467 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
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May 18 2013
  RSA659767  Eriochloa contracta J. C. Roos 1963-8-10 s.n. Riverside Blythe Comment
  HSC25446  Eriodictyon crassifolium Richard Spjut 1972-3-14 2273 Riverside San Jacinto Mtns., Rte. 1 from Hwy. 10 to Idylwild 1220 Comment
  UCR130879  Eriodictyon crassifolium A. C. Sanders, John Green 1999-5-31 22797 Riverside Box Springs Mtns., upper Two Trees Canyon, east of Belvedere Heights 610 Comment
  UCSB5275  Eriodictyon crassifolium Nowell, J. 1958-5-18 Riverside 4 mi. from Banning on Banning-Idyllwild Road 609 Comment
  CAS-BOT-BC189123  Eriodictyon crassifolium var. crassifolium H. M. Hall 1897-5-19 561 Riverside Hemet Comment
  CAS-BOT-BC188970  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  RSA699633  Eriodictyon trichocalyx Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA775450  Eriodictyon trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4411 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  RSA0093769  Eriogonum apiculatum Duncan S. Bell 2015-9-30 8686 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SD181397  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains; divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCR158282  Eriogonum brachyanthum Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  JOTR16808  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  UCR44204  Eriogonum davidsonii A. C. Sanders 1986-6-1 6554 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR251340  Eriogonum deflexum S. J. Myers 2014-5-21 1059 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  CAS-BOT-BC256118  Eriogonum deflexum var. deflexum Edmund C. Jaeger 1939-3-31 s.n. Riverside South End Coxcomb Mts. 274 Comment
  SEINET6418387  Eriogonum fasciculatum Ken Zysk 1971-4-27 P 140 Riverside Chaffey College 457 Comment
  UC410731  Eriogonum fasciculatum var. foliolosum Mrs. E. C. Van Dyke 1928-7-10 Riverside along road near Idyllwild Comment
  RSA561115  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7320 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  SD93036  Eriogonum fasciculatum var. polifolium W. Bertsch 1954-5-1 529 Riverside Road to Idlewild from Banning 1067 Comment
  UCR237691  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4759 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  CAS-BOT-BC253492  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-9 2850 Riverside Along California Highway 74, at Strawberry Creek about 5.5 miles west of the junction with Highway 243 914 Comment
  SBBG62101  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11256 Riverside Temescal Cyn Comment
  UC6312  Eriogonum gracile A. J. McClatchie May 1892 48 Riverside near Elsinore Comment
  UCR260567  Eriogonum gracile T. B. Salvato 2014-5-29 8035 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA393098  Eriogonum gracile var. gracile Louis C. Wheeler 1933-12-1 2282 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA736551  Eriogonum gracile var. gracile Scott D. White, Angelia Carey 2004-7-2 10582 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  POM12413  Eriogonum gracile var. incultum P. A. Munz 1922-9-6 6361 Riverside North of Dark Canyon. 1524 Comment
  RSA487231  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6602 Riverside San Gorgonio Pass, along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River. 541 Comment
  RSA90136  Eriogonum gracile var. incultum E. K. Balls, Percy C. Everett 1953-8-19 18529 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  CAS-BOT-BC257580  Eriogonum inflatum L. R. Abrams 1926-3-27 11124 Riverside Near Whitewater Comment
  RSA650879  Eriogonum inflatum Dick Crowell 1949-3-25 s.n. Riverside 15 miles east of Indio on Hwy 60. 1/2 mile off road. 457 Comment
  UC412857  Eriogonum inflatum var. deflatum Mrs. F. Stephens 1902-8-20 Riverside Chuckwalla Mts. Comment
  POM259198  Eriogonum nudum var. pauciflorum P. A. Munz 1938-8-13 15338 Riverside East of Santa Rosa Peak. 2378 Comment
  UC454350  Eriogonum nudum var. pauciflorum I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  CLARK-A1528-3691  Eriogonum plumatella John C. Roos 1943-10-17 2743 Riverside Morongo Valley Comment
  SEINET4568270 Image available Eriogonum thomasii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2003-2-10 4584 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC310593  Eriogonum thomasii Philip A. Munz 1926-1-31 9971 Riverside Dos Palmos Spring Colorado Desert, Dos Palmos Spring Comment
  UCR104806  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  UCSB1538  Eriogonum thomasii Haller, John 1960-4-2 Riverside north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  RSA0130729  Eriogonum thomasii Glen Rink 2013-3-18 11875 a Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  POM2305  Eriogonum thurberi Jenkins, Street 1917-5-30 1954 Riverside San Jacinto. Comment
  RSA424933  Eriogonum thurberi T. W. Minthorn 1926-5-14 s.n. Riverside Near Banning. Comment
  UC217964  Eriogonum thurberi P. A. Munz and I. M. Johnston 1922-5-19 5348 Riverside 5 mi ne Murietta 457 Comment
  UC668382  Eriogonum thurberi Annie M. Alexander and Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  HSC17375  Eriogonum umbellatum var. munzii R. A. Eagle 1963-6-30 5 Riverside San Jacinto Mtns., Azalea Trails Girl Scout Camp Comment
  POM204399  Eriogonum wrightii var. membranaceum F. M. Reed 1934-9-26 8973 Riverside San Jacinto Mountains. 1341 Comment
  SBBG1671  Eriogonum wrightii var. membranaceum H. and M. Dearing 1936-12-26 143 Riverside Palms to Pines Hwy 1066 Comment
  SFV18745  Eriogonum wrightii var. membranaceum J. N. Hogue 2003-9-13 205 .1 Riverside San Jacinto Mountains Hall Canyon, 500 m northeast of Lake Fulmor. James Reserve, University of California. 1645 Comment
  RSA0097951  Eriogonum wrightii var. nodosum Duncan S. Bell 2014-11-14 7722 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  POM229441  Eriophyllum confertiflorum P. A. Munz 1937-5-30 15096 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1676 Comment
  POM230187  Eriophyllum confertiflorum I. W. Clokey 1935-4-18 6949 Riverside Gavilan Peak 600 Comment
  RSA783219  Eriophyllum confertiflorum J. D. Olmsted 1962-6-23 5309 Riverside Banning Wat. Canyon, along main fire road from banning, southeast of San Bernardino mountains 1768 Comment
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Feb 24 2013
  SDSU13541  Eriophyllum confertiflorum var. confertiflorum W. Miller, C. Mosse 1972-7-5 Riverside Comment
  RSA33553  Eriophyllum confertiflorum var. trifidum Norman C. Cooper 1944-5-6 1185 Riverside Banning. 701 Comment
  POM474458  Eriophyllum multicaule Martha Hilend 1928-4-8 s.n. Riverside Lake Elsinore, about 3 miles west of lake. Comment
  UCR281271  Eriophyllum multicaule Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 31 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  CAS-BOT-BC296930  Eriophyllum wallacei Peter H. Raven 1958-3-16 11871 Riverside in washes 4.3 miles east of Cholla Cactus Garden, Joshue Tree National Monument Comment
  UCR86646  Eriophyllum wallacei A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16269 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
  OBI30175  Erodium cicutarium Bruce H. Lewis 1970-3-16 T 3 Riverside Along State Hwy 71, S of the Elsinore fwy intersection. Open field at the corner of Lawson-Hunt Rd 396 Comment
  RSA716391  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD133077  Erodium cicutarium Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2.0 miles west of I-215 exit. 366 Comment
  SD137741  Erodium cicutarium Darin L. Banks, Steve Boyd 1995-6-2 555 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, on the Woodchuck Trail just north of the Riverside County boundary. 1042 Comment
  UCR139093  Erodium cicutarium Scott D. White 1997-5-18 5156 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
  UCR265564  Erodium cicutarium Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 3 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA0020238  Erythranthe breweri Naomi Fraga 2006-7-11 1718 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SD135326  Erythranthe rubella Craig Reiser, Dylan Hannon 1993-5-30 Riverside Santa Rosa Peak, north slope Comment
  RSA0014888  Erythranthe tilingii G. R. Campbell 1948-7-4 616 Riverside On streambank at Azalea Trails Girl Scout Camp, near Idyllwild. Comment
  JOTR32855  Eschscholzia La Doux, Tasha 2008-1-14 2938 Riverside Joshua Tree National Park. East Cottonwood Mountains, Cottonwood Canyon; sandy wash in side canyon, west of Rte.11, near old road to Coyote Mine 274 Comment
  RSA0022955  Eschscholzia androuxii Ora M. Clark 1929-2-23 1564 Riverside North Whitewater. Comment
  UCD96463  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 256 Riverside California. Riverside County: Joshua Tree National Park. 862 Comment
  CSUSB962  Eschscholzia caespitosa Richard L. Irwin 1962-4-21 0036 Riverside Beneath center of Crestmore Road bridge over Santa Ana River 243 Comment
  OBI52763  Eschscholzia californica Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl Comment
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Nov 17 2014
  RSA495823  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2934 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR174083  Eschscholzia californica A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32544 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UCR84605  Eschscholzia californica Scott D. White, S. Ogg 1994-4-21 1955 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  CAS-BOT-BC91565  Eschscholzia minutiflora Lewis S. Rose 1937-4-9 37117 Riverside Palm Springs. 137 Comment
  RSA445672  Eschscholzia minutiflora Gale Sphon 1955-5-22 s.n. Riverside Dead Indian Canyon near Palm Springs Comment
  RSA457769  Eschscholzia minutiflora Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2116 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SBBG70173  Eschscholzia minutiflora Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  UCSB3647  Eschscholzia minutiflora Haller, John 1957-3-23 Riverside ca.4.5 rd. mi. N. of US 99; 3 air mi. S. of Riverside-San Bernardino Co. line 609 Comment
  SEINET3094855 Image available Eschscholzia minutiflora var. darwinensis C. F. Shutts 1949-3-19 58 Riverside Cottonwood Pass, Little San Bernadino Mtns. 305 Comment
  JOTR28874  Eschscholzia parishii La Doux, Tasha, Bill Truesdell 2004-3-17 1109 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  JOTR38684  Eschscholzia parishii Hodges, Stephen R. 2017-2-7 700 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCR5903  Eschscholzia parishii David T. Wright 1966-3-5 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert at the mouth of Deep Canyon Comment
  JOTR01022  Eschscholzia parishii Cole, James E. 1941-4-23 637 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  RSA0010854  Eucalyptus camaldulensis A. C. Sanders 1998-6-12 21982 Riverside UCR campus, in gravel among trailers in ''surge area'' (UCR trailer park) on east side of campus 335 Comment
  UC1608085  Eucalyptus camaldulensis A. C. Sanders 1985-12-19 5956 Riverside 3 mi. w. San Jacinto (s.e. corner of intersection of Cottonwood Ave. and Warren Rd., Cottonwood (Reflection) Lake); Cottonwood (Reflection) Lake 487 Comment
  SD185050  Eucalyptus rudis Alden Kelly 1986-3-17 Riverside Edgmont area of Moreno Valley from planting along W side of Hwy 215 at Eucalyptus Ave. Row runs ca. 1 mi along 215 456 Comment
  RSA615095  Eucrypta chrysanthemifolia D. L. Banks 1997-3-29 1584 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
  SEINET272340  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19900 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR96706  Eucrypta chrysanthemifolia A. C. Sanders 1997-3-1 19720 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA735923  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Jamie Minor 2008-3-13 11769 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  UCR151046  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UCR239858  Euphorbia O. F. Clarke 2004-8-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanic Garden 351 Comment
  UCR101579  Euphorbia eriantha Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA0043069  Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2014-3-20 6263 Riverside Orocopia Mountains; north section of range; 2.75 air miles southwest of Hayfields Lake. 511 Comment
  UCR99440  Euphorbia ocellata L. C. Wheeler 1952-10-29 7010 a Riverside Riverside, Citrus Experimental Station Comment
  UC455399  Euphorbia palmeri I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  CLARK-A1528-439  Euphorbia platysperma Edmund C. Jaeger 1964-8-17 280 ? Riverside Coachella Valley Comment
  UCD142702  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7464 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  UC1931118  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin Wood 2008-6-18 12237 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  OBI14389  Euphorbia setiloba Lewis S. Rose 1959-1-12 59011 Riverside Cathedral City 122 Comment
  RSA524589  Euphorbia spathulata Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3903 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  POM293999  Fagonia laevis Lyman D. Benson 1949-3-28 13562 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  RSA11580  Fagonia laevis N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  RSA788518  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center. 350 Comment
  UCR86213  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  POM286917  Ferocactus cylindraceus var. lecontei Lyman Benson, Robert Benson 1952-4-8 14856 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UCR137606  Festuca microstachys Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2276 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR251316  Festuca octoflora var. octoflora T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-26 7419 Riverside Perris-Aguanga Basin, Lakeland Village, Stoneman St between Union St and Palomar St, c. 0.75 mi southeast of Lake Elsinore 389 Comment
  RSA496369  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3043 Riverside Vail Lake area, 0.75 mile NW of dam, S flank Oak Mountain 622 Comment
  UCR48391  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA586504  Filago californica D. L. Banks, Steve Boyd 1995-5-9 0335 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
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 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
  RSA736694  Filago gallica Scott D. White 2004-4-26 10241 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  OBI12182  Forestiera pubescens H. E. McMinn 1935-6-27 4045 Riverside Pines to Palms hwy Comment
  RSA1241  Forestiera pubescens B. D. Stark 1930-3-17 1486 a Riverside Cajalco District, Riverside County. Comment
  CAS-BOT-BC384196  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-25 260 Riverside East of turnout 1/2 mi. up Sta. Rosa Mt. road from Hwy. 74; Santa Rosa Mts. 1371 Comment
  SEINET6645831  Fouquieria splendens I. W. Clokey 1935-4-17 6752 Riverside Shafer Wells Comment
  SD229244  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-3-26 682 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  CLARK-A1656-798  Franseria acanthicarpa Theo Glenn 1982-10-7 Riverside Snow Creek 396 Comment
  RSA407880  Frasera parryi Walter Wisura 1987-8-28 4176 Riverside SE side of Thomas Mtn, near Pine Meadows, where gravel road 5S15 to Thomas Mtn, San Jacinto Mtn. Comment
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Jun 3 2012
  RSA69435  Frasera parryi F. W. Peirson 1924-6-28 5008 Riverside Pine flats Camp, San Jacinto Mts. 1799 Comment
  RSA0042074  Fraxinus velutina Fred T Sproul, Julia Groebner 2014-7-21 6006 Riverside Santa Ana River at Norco 176 Comment
  SDSU12976  Fraxinus velutina Michael G. Simpson 1999-10-27 2041 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR132723  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA524592  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of Big Oak Mountain, N of lake. 793 Comment
  RSA613145  Fritillaria biflora Darin L. Banks 1997-3-29 1653 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  UCD121392  Funastrum cynanchoides var. cynanchoides Scott D. White; Michael Honer 2004-4-6 10061 Riverside Perris/Elsinore Basins: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA525438  Funastrum cynanchoides var. hartwegii Steve Boyd, D. E. Bramlet 1990-4-29 4483 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  JEPS52779  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and Clare Hardham 1965-6-18 4136 Riverside junction of Route 71 and Route 74 Paradise Valley (at s end of San Jacinto Mts.); s end of San Jacinto Mts., Paradise Valley 1463 Comment
  JEPS7035  Galium andrewsii subsp. andrewsii Carl V. Meyer 1929-6-18 778 Riverside summit of Hamilton Grade San Jacinto Mts. Comment
  POM13009  Galium andrewsii subsp. andrewsii Philip A. Munz, I. M. Johnston 1922-5-19 5436 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA508016  Galium andrewsii subsp. andrewsii Steve D. Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2292 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  CAS-BOT-BC223036  Galium angustifolium Jennifer H. Jones 2006-5-21 309 Riverside Peninsular Ranges: Box Springs Mtns.: Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  JEPS56073  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4241 Riverside at Keyes Drive San Jacinto Mts. Poppet Flat 1097 Comment
  POM259256  Galium angustifolium subsp. angustifolium Philip A. Munz 1938-8-14 15379 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA27806  Galium angustifolium subsp. angustifolium C. Leo Hitchcock 1940-4-12 6039 Riverside 8 mi. northwest of Elsinore 457 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
  UC1979678  Galium aparine Darin L. Banks, Steve Boyd 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. Comment
  UCR91529  Galium aparine Scott D. White 1995-3-30 2662 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
  RSA0121056  Galium stellatum Duncan S. Bell, LeRoy Gross 2016-3-29 9118 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
  RSA0123779  Galium stellatum Duncan S. Bell, LeRoy Gross 2016-3-9 8857 Riverside Orocopia Mountains; northern section of the range; along Red Canyon Road through Maniobra Valley, approximately 3 air miles south southeast of Chiriaco Summit. 589 Comment
  POM9333  Galium stellatum Mary F. Spencer 1920-3-27 745 Riverside Palm Springs. 122 Comment
  LA205385  Garrya veatchii D. Birindelli; 1969-3-9 56 a Riverside Mt. San Jacinto, S side 1219 Comment
  UCR111614  Gaura drummondii O. F. Clarke, Jeanine Derby 1974-5-19 s.n. Riverside Lake Perris 457 Comment
  POM30736  Geraea canescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  POM358660  Geraea canescens P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  UC1922402  Geraea canescens Naomi Fraga, Lisa Rojas 2005-2-10 1405 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  CLARK-A1045-59  Geranium carolinianum George K. Helmkamp 1929-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA70499  Geranium carolinianum F. W. Peirson 1922-4-10 2859 Riverside Murray Canyon, near Palm Springs. 305 Comment
  UCR193301  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA85116  Gilia angelensis J. C. Roos 1952-4-2 5460 Riverside Box Springs Comment
  UC1545280  Gilia angelensis Charles B. Fiker 1946-3-6 3334 Riverside in hills between Aguanga and Cahuilla; bet Aguanga and Coahuila [Cahuilla] Comment
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Mar 2 2016
  UCR230202  Gilia angelensis A. C. Sanders 2011-4-6 38989 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
  UCR97492  Gilia australis A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19882 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR158711  Gilia capitata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30006 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
  UCR37498  Gilia capitata Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA770700  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4806 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA171376  Gilia diegensis J. D. Olmsted 1962-5-3 3504 Riverside San Jacinto Mts 1616 Comment
  RSA771690  Gilia maculata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4686 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
  CAS-BOT-BC407610  Gilia ochroleuca subsp. exilis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside 1 mi. W of San Jacinto Comment
  UC23661  Gilia ochroleuca subsp. exilis H. M. Hall Jun, 1901 2060 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicinity Chalk Hill 1524 Comment
  RSA0107456  Gilia scopulorum Duncan S. Bell, Amanda Turek 2010-4-9 784 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  RSA480028  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2157 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR151103  Gilia splendens Scott D. White, Julie Greene 1998-8-1 6969 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  JOTR34011  Gilia stellata La Doux, Tasha, M. Harding 2010-4-7 2899 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA775401  Gilia stellata Duncan S. Bell 2011-4-10 2249 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UCR146271  Gilia stellata J. M. Porter, Et al. 2001-4-2 12343 Riverside Colorado Desert; Western Colorado Desert region, Coachella Valley, c. 1 mi east of Desert Hot Springs, Long Canyon, on W side of Long Canyon Road 396 Comment
  UCR167824  Glinus lotoides T. B. Salvato, Melissa Clemons 2005-6-2 1398 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA273030  Glinus lotoides C. W. Tilforth, Walter Wisura 1978-10-6 1715 Riverside East end of Lake Skinner, northeast of Temecula. 451 Comment
  CAS-BOT-BC280555  Glyceria elata J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San Jacinto Mtns. Comment
  UCD85133  Glyceria elata F. M. Reed 1908-7-13 2479 Riverside San Jacinto Mt., stream in meadow N side of Tahquitz Valley. 2438 Comment
  UCR113184  Gnaphalium californicum A. C. Sanders 1998-1-15 21646 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR151974  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR3183  Gnaphalium californicum Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  UCR91453  Gnaphalium californicum Scott D. White 1995-3-30 2671 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
  UCR91644  Gnaphalium californicum Steve Boyd, D. L. Banks 1995-4-5 8432 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  RSA89959  Gnaphalium canescens J. C. Roos 1950-10-21 5014 Riverside Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  CAS-BOT-BC307401  Gnaphalium palustre Philip A. Munz 1941-5-18 16649 Riverside About 15 miles northeast of Temecula Comment
  RSA741076  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12153 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR85639  Gnaphalium palustre A. C. Sanders 1993-4-5 13688 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA696127  Gnaphalium stramineum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24599 Riverside Mojave Desert, Little San Bernardino Mtns.: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1341 Comment
  UCR154373  Gnaphalium stramineum A. C. Sanders, Mike Misenhelter 2005-6-15 30967 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  JOTR34396  Guillenia lasiophylla Andre, Jim 2012-4-16 20928 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA678115  Gutierrezia californica Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1061 -b Riverside Bautista Canyon, Bautista Canyon Road. 915 Comment
  UCR167857  Gutierrezia californica T. B. Salvato, Melissa Clemons 2005-6-23 1326 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  SD229098  Gutierrezia sarothrae Dick Schwenkmeyer 2012-8-6 771 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  SD51717  Gutierrezia sarothrae Otto T. Solbrig 1958-4-18 2760 Riverside 12.3 miles west of Aguanga on Highway 79 (mak 8/07) Comment
  UCR34925  Gutierrezia sarothrae L. B. Ziegler 1964-8-25 016 Riverside San Jacinto Mountains, Garner(Hemet) Valley. Valley floor in Kenworthy area. 1418 Comment
  RSA520079  Hazardia squarrosa var. grindelioides Steve Boyd, David E. Bramlet 1988-10-8 2876 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UC1979626  Hazardia squarrosa var. grindelioides D. L. Banks, Steve Boyd 1995-10-17 0787 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  POM320325  Helianthemum scoparium var. scoparium David Wheat 1968-5-16 139 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  UC32265  Helianthus annuus H. M. Hall 1901-8-1 2649 Riverside Moreno Comment
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Mar 20 2011
  POM360037  Helianthus gracilentus Christopher Davidson 1975-6-16 2802 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  RSA650770  Helianthus gracilentus C. J. Humphrey 1936-6-7 446 Riverside [Unspecified] Comment
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Dec 15 2011
  CLARK-A1528-1912  Helianthus niveus subsp. canescens John C. Roos 1962-4-3 Riverside Palm Springs Municipal Airport 121 Comment
  SEINET959054  Heliotropium curassavicum A. C. Sanders 2006-1 32273 Riverside Warm Springs Valley, N edge of City of Lake Elsinore, 35 acre parcel south of the intersection of Callier Ave. and Riverside Dr., NE of Alberhills Crk., NW of Enterprise Way (Lake Elsinore 7.5Q) 389 Comment
  UC62905  Hemizonella minima H. M. Hall May 17, 1901-June 1, 1901 1802 Riverside Strawberry Valley San Jacinto Mt. 1600 Comment
  UCR135863  Hemizonia A. C. Sanders 2004-4-20 27574 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
  UCR125228  Hemizonia fasciculata Mitch Provance, Twoc Tran 1998-5-30 561 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  RSA92594  Hemizonia fasciculata J. C. Roos 1952-5-14 5669 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  RSA216766  Hemizonia kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Canyon S of Hemet Comment
  RSA605883  Hemizonia kelloggii R. S. Woglum 1937-5-22 529 Riverside Temecula. Comment
  UCR88741  Hemizonia mohavensis Jeri Hirshberg 1995-9-13 s.n. Riverside San Jacinto Mtns., seeps and drainages at the edge of the road to Hungry Hollow from Hwy 243, c. 0.75 mi SSE of Poppet Flat Rd. jct w/ 243, c. 1 mi east of Poppet Flat 1220 Comment
  UCR12551  Hemizonia paniculata Eric Trubschenck 1972-5-8 12 Riverside Moreno Valley, 12 miles east of Riverside, 1 mi south of intersection of Alessandro Blvd with Wilmot Street 549 Comment
  UCR20805  Hemizonia pungens subsp. laevis Steve Boyd 1980-5-14 270 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR120196  Herniaria hirsuta subsp. cinerea Mitch Provance 1998-3-6 144 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  RSA48416  Hesperocallis undulata E. K. Balls 1949-4-2 12901 Riverside North of Mecca, Highway 111, Colorado Desert. -58 Comment
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Jul 16 2015
  SEINET1908446  Heterocodon rariflorum A. C. Sanders, Mitch Provance 2008-1 35805 Riverside Peninsular Range; San Jacinto Mtns.; Coldwater Creek along trails in vicinity of junction of Sout Ridge and Coldwater Trails, 1.25 m. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station. 1450 Comment
  UC297891  Heterotheca sessiliflora subsp. echioides David D. Keck 1926-9-30 265 Riverside 1.4 mi nw of Murrietta Comment
  CAS-BOT-BC310831  Heterotheca sessiliflora subsp. fastigiata Roxana S. Ferris 1953-3-10 12601 Riverside About 3/4 mile north of Whitewater post office Comment
  RSA0063014  Heuchera elegans P. A. Munz 1922-6-28 5875 Riverside Toro Peak, Santa Rosa Mountains. 2287 Comment
  CLARK-A1656-652  Hibiscus denudatus Milton Walker 1978-3-3 Riverside La Quinta 45 Comment
  UCR60775  Hibiscus denudatus Steve Boyd, Orlando Mistretta 1986-3-13 1474 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCR33778  Hibiscus trionum A. Kishaba 1983-11-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, west of Thermal Comment
  OBI21905  Hilaria rigida Robert F. Hoover 1966-10-15 10179 Riverside Bighorn Dr, San Jacinto Mts Comment
  SEINET229274 Image available Hilaria rigida L. M. Shultz, JS Shultz 1985-4-15 8244 Riverside Chuckawalla Valley depression along Wiley's well rd 122 Comment
  RSA586333  Hirschfeldia incana D. L. Banks, S. D. Boyd 1995-5-3 198 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR2463  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  RSA740790  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside Johnson Meadow 1415 Comment
  UCR162940  Hordeum depressum Fred M. Roberts, D. E. Bramlet 2005-4-1 6147 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA0085053  Hordeum glaucum Margaret Murphy 1983-4-15 0007 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR280612  Hordeum intercedens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 17 Riverside Elsinore Trough, South corner of Baker St. and Bromley Ave. 384 Comment
  POM1308  Hordeum murinum subsp. glaucum Crocker, Robinson 1916-3-29 730 Riverside Elsinore near lake shore Comment
  RSA85232  Horkelia clevelandii F. W. Peirson 1924-7-29 5255 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA0018951  Horkelia clevelandii H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  SJSU1908  Horsfordia newberryi R. L. Fisher 1957-4-20 Riverside near Indio Comment
  LA47894  Hosackia crassifolia var. crassifolia Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  SD137871  Hulsea heterochroma Darin L. Banks, Steve Boyd 1995-6-2 564 Riverside Agua Tibia Mountains,Cleveland National Forest, Woodchuck Trail north of the Riverside County boundary, Ca. 1/4 mile south of clay grasslands 904 Comment
  POM12884  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside Zigzag on trail S of Hidden Lake. 2348 Comment
  UCR253359  Hulsea vestita subsp. callicarpha Ana Hernandez, John Dvorak 2011-8-4 028 Riverside San Jacinto Mountains, west of Forest Route 4S02.3 (Azalea Trail), 0.5 km south of Dark Canyon Campground 1746 Comment
  CAS-BOT-BC312595  Hulsea vestita subsp. callicarpha Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-17 299 Riverside Strawberry Firebreak, so. of end of Marion Ridge Rd., Pine Cove, San Jacinto Mts. 2133 Comment
  OBI37561  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  UCR92598  Hydrocotyle umbellata F. M. Reed 1933-8-13 8013 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  CHSC99604  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  POM254338  Hypochaeris glabra P. A. Munz 1941-5-18 16661 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  JOTR35336  Hyptis emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 102 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  RSA306724  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1718 Riverside Near Desert Center-Indio. Comment
  RSA475288  Hyptis emoryi Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2102 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SFV17323  Hyptis emoryi J. N. Hogue, J. D. Dilley (268) 1998-4-23 108 .6 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UCLA61591  Hyptis emoryi F. M. Scott Riverside Painted Canyon Comment
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Jun 14 2013
  UCR100874  Hyptis emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2699 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR9262  Isocoma acradenia var. eremophila O. F. Clarke 1969-11-10 s.n. Riverside Sonoran (Colorado) Desert, Near Whitewater on Hwy 111, 2 mi. SE of point where 111 merges into Hwy I-10 at Verbenia Ave. 351 Comment
  SD247330  Iva axillaris Andy Sanders 2012-3-22 39990 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, 0.4 kilometer southwest (210 degrees) of intersection of Riverside Drive and Collier Avenue. 384 Comment
  UCR133319  Juglans californica John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  SD140238  Juncus bufonius A. C. Sanders 1993-4-5 13685 Riverside Western edge of Hemet, along south side of Devonshire Avenue, between Ols Warren and Warren Roads, southwest of Tres Cerritosa and North of Florida Avenue (Highway 74). 459 Comment
  UC1601697  Juncus bufonius H. M. Hall Jun 1901 2076 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR158259  Juncus bufonius var. congestus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30104 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
  RSA293328  Juncus dubius C. W. Tilforth, Walter Wisura 1981-7-10 2114 Riverside South leg of Red Mountain loop, east of Highway R3, south of Hemet. Comment
  SD122850  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Rosa Plateau Region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02. In wet, muddy swale along road. Comment
  UC146411  Juncus longistylis Charlotte M. Wilder 1909-7-11 909 Riverside trail to Round Valley above Log cabin San Jacinto Mts. Comment
  RSA357162  Juncus luciensis Robert F. Thorne, E. W. Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  SBBG57289  Juncus macrophyllus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  UCR281580  Juncus macrophyllus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 116 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UCR24952  Juncus oxymeris A. C. Sanders 1980-7-18 1669 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA381089  Juncus rugulosus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61168 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
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Dec 11 2007
  RSA575885  Juncus textilis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills region, south flank of the range in upper Arroyo del Toro, Bull Canyon Road. Comment
  UCR125764  Juncus textilis A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25659 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  RSA304319  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2987 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  UCD141897  Juncus tiehmii Barbara Ertter; J. Strachan 1979-6-26 2971 a Riverside Kenworthy Forest Station on Hwy 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA368388  Juncus xiphioides L. C. Wheeler 1933-12-2 2320 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  UCR170123  Juncus xiphioides Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 109 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  CLARK-A1528-2666  Juniperus californica John C. Roos 1947-2-15 3265 Riverside Eagle Mountains Comment
  JEPS123661  Justicia californica J. Andre, T. La Doux 2008-3-21 8828 Riverside JOTR Joshua Tree National Park: Upper Cottonwood Canyon approx. 2 miles S of Cottonwood visitor's center. Comment
  RSA793456  Justicia californica Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4378 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UC1051454  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  UC869489  Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi. below Cottonwood Springs Comment
  UCR120689  Justicia californica Helen Kennedy, T. B. Salvato 2002-2-2 5453 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  RSA0062475  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40424 Riverside Chuckwalla Valley, along Wileys Well Rd., 0.1 mi. above I-10 junction, below Ironwood St. Prison. 120 Comment
  RSA772140  Keckiella antirrhinoides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4974 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
  SEINET13768160  Keckiella antirrhinoides A. C. Sanders, G. Helmkamp 1997-3-15 19952 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UCR251963  Keckiella antirrhinoides Max Brodie 2014-4-20 29 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off North Main Divide Rd. c. 0.5 mi. north of Hwy 74 820 Comment
  UCR119859  Keckiella rothrockii subsp. jacintensis Heidi West 2000-7-20 s.n. Riverside San Jacinto Mtns., Hidden Lake Divide, 0.2 mi. ESE of Divide Peak and c. 0.15 mi. SW of the W edge of Hidden Lake, just east of trail from Long Valley to Willow Creek 2659 Comment
  JEPS13633  Keckiella ternata Peter Kamb 1948-7-4 1184 Riverside below Barton Lookout (Banning-Idyllwild road); San Jacinto Mts. 1158 Comment
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May 24 2012
  NY790416  Keckiella ternata subsp. ternata H. M. Hall 08 1901 2634 Riverside In the vicinity of Chalk Hill. San Jacinto Mountains. 1585.0 Comment
  RSA0019436  Keckiella ternata subsp. ternata N. C. Cooper 1949-6-29 4303 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  GMDRC6555  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 1172 Comment
  CLARK-A1528-68  Koeleria macrantha C. M. Flanagan 1973-5-20 OO 530 Riverside Morongo Indian Reservation 1158 Comment
  UCD85662  Koeleria macrantha A. A. Beetle 1944-4-27 3002 Riverside West of Murietta. Comment
  SDSU6896  Krameria bicolor Gerald Collier 1951-5-27 M 244 Riverside About 4 miles east o f Pinon Flats San Sarinto Mtns. 5 yds from Roadsie state hwy74. Rocky slope. Comment
  CAS-BOT-BC43703  Krameria erecta F. H. Billings 1931-4-13 s.n Riverside Palm Springs Comment
  CAS-BOT-BC43712  Krameria erecta Peter H. Raven 1958-5-18 12999 Riverside Along State Highway 74, 4.9 miles north - east of Pinon Flats, San Jacinto Mountains Comment
  PASA1849  Krameria grayi R. Peirce 1966-4-21 Riverside 1 mi. W. of Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA676280  Krameria grayi Scott D. White 2001-4-3 8249 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC61699  Krameria grayi L. D. Copeland Apr. 1904 2 Riverside West Canyon Palm Springs (Palm Springs); , West Canyon Comment
  UCR228387  Krameria grayi Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-5-25 218 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  CLARK-A1528-1359  Krameria parvifolia var. glandulosa John C. Roos 1948-5-15 3857 Riverside Eagle Mountains Comment
  JEPS41824  Laennecia coulteri S. B. Parish 1912-10-24 8357 Riverside Thermal Salton Basin, Thermal -39 Comment
  CLARK-A1528-4705  Lamarckia aurea John C. Roos 1947-3-21 3373 Riverside Reche Canyon Comment
  UCD63325  Lamarckia aurea H. M. Reed 1914-4-23 Riverside Box Springs Mts., arroyo to w., near Sanitarium. Comment
  SEINET8729313 Image available Langloisia flaviflora Helen K. Sharsmith 1952-1 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument, Riverside County. Altitude ca. 2000 feet. 610 Comment
  RSA480076  Langloisia setosissima subsp. setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  CAS-BOT-BC166021  Larrea tridentata Roxana S. Ferris 1918-6-13 958 Riverside 1 mi. south of Cabazon in White Water Wash Comment
  CSUSB2115  Larrea tridentata Wayne White 1975-5-10 700 Riverside On Highway I-10 to Red Cloud Road Chuckwalla Mts. Colorado Desert 451 Comment
  SBBG37531  Larrea tridentata R. N. Muller 1967-4-8 Riverside 1.5 mi W of CA 62 on Mission Crk Rd. (4.7 mi N of jct between US Hwy 60 and St Hwy 62) 579 Comment
  SBBG67805  Larrea tridentata M. N. Ackley -Feb-1926 1146 Riverside Mecca -60 Comment
  UCR196388  Larrea tridentata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1444 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCR19763  Larrea tridentata Michael Nugent 1969-4-15 3 Riverside Sonoran (Colorado) Desert, 12 mi north of Palm Springs on Hwy 111 at Windy Point; sand dune area at the base of the E-facing slope 915 Comment
  SEINET7063456  Lastarriaea coriacea A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  SEINET7063238  Lasthenia californica A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 896 Comment
  UC1979572  Lasthenia coronaria Darin L. Banks, Steve Boyd 1995-5-9 0363 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 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
  UCR92236  Lasthenia coronaria D. L. Banks, Steve Boyd 1995-5-9 363 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 793 Comment
  POM5999A  Lasthenia gracilis C. F. Baker 1904-4-4 4086 Riverside Elsinore. Comment
  RSA607008  Lasthenia gracilis Leota Brice 1930-4-13 s.n. Riverside Hemet Comment
  UCR20809  Lasthenia gracilis A. C. Sanders, Steve Boyd 1980-4-17 1342 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  UC1929624  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 B Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  RSA651396  Lathyrus vestitus subsp. laetiflorus Sandy Gray 1981-5-15 27 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  UC62902  Layia glandulosa H. M. Hall 1902-4-1 2900 Riverside vicinity Winchester 762 Comment
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Mar 20 2011
  UCR34929  Layia glandulosa L. B. Ziegler 1972-5-4 452 Riverside San Jacinto Mtns, Hemet (Garner) Valley area in Apple Canyon (east of Hemet Lake). 1433 Comment
  CAS-BOT-BC379634  Layia platyglossa Frank W. Peirson 1922-5-19 3042 Riverside Hemet Valley; San Jacinto Mts. 1341 Comment
  SDSU18396  Layia platyglossa C. Matt Guilliams 2008-2-21 469 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR241016  Layia platyglossa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA0048494  Layia platyglossa Nancy Anderson 1955-5-21 s.n. Riverside Hemet Meadow. 1371 Comment
  SEINET12872762  Leonotis nepetifolia A. Sanders, Young, Katie 2015-3-23 41433 Riverside Cabazon Comment
  RSA562054  Lepidium dictyotum Steve Boyd, Timothy S. Ross 1992-4-1 6773 Riverside Temescal Canyon, terrace escarpments between Indian and Horsethief Washes along De Palma Road. 412 Comment
  UCR19094  Lepidium dictyotum var. acutidens John C. Roos 1950-3-18 4712 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 457 Comment
  RSA736251  Lepidium dictyotum var. dictyotum Scott D. White, Justin Wood 2008-4-3 11798 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCSB2386  Lepidium fremontii Bobkowski, Vincent 1960-4-2 Riverside 60 yards south of Southern Entrance to Joshua Tree National Monument; off U.S. 60-70 (near intersection of 60-70 with Calif. 195) Comment
  RSA796105  Lepidium lasiocarpum Duncan S. Bell 2009-4-20 315 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR252659  Lepidium lasiocarpum T. B. Salvato, Matthew Malle 2013-4-2 7493 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR25952  Lepidium lasiocarpum John C. Roos 1947-2-15 3237 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UC10638  Lepidium lasiocarpum var. lasiocarpum W. G. Wright 1889-1 1756 Riverside Colorado Desert Comment
  RSA543302  Lepidium nitidum Steve Boyd 1991-3-17 5508 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
  RSA689378  Lepidium nitidum Scott D. White 2001-4-19 8389 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
  UCR241391  Lepidium nitidum T. B. Salvato, Mike Landers 2013-3-21 7380 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR97576  Lepidium nitidum var. nitidum Scott D. White 1997-2-28 4722 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SD229115  Lepidium virginicum subsp. menziesii Dick Schwenkmeyer 2011-8-25 649 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  CAS-BOT-BC329441  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38331 Riverside Whitewater Wash, 3 mi SE of Palm Springs Station 274 Comment
  CDA23632  Lepidospartum squamatum Mike Lahti 2008-8-19 PDR# 1473307 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  RSA770420  Lepidospartum squamatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4879 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
  RSA736654  Leptochloa fusca subsp. uninervia Justin M. Wood 2008-7-16 32 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR89845  Leptodactylon californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3305 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SEINET4854776  Leptodactylon californicum subsp. tomentosum C. Leo Hitchcock 1940-4-12 6041 Riverside 8 mi NW of Elsinore. 457 Comment
  RSA783048  Leptodactylon pungens Olmsted 1959-7-1 709 Riverside In Granite along trail from saddle to San Jacinto 4 mi. NE of Idyllwild 2591 Comment
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Mar 29 2014
  RSA73077  Leptosiphon liniflorus P. A. Munz 1922-6-23 3316 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  SBBG101739  Leptosiphon liniflorus S. Boyd with D. Bramlet 1991-5-13 6253 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 548 Comment
  SBBG55791  Leptosyne calliopsidea D. Keil, M. McLeod 1977-3-26 12010 Riverside Hwy 71, ca. 8 mi NW of Lake Elsinore St Recreation Area 365 Comment
  RSA124225  Lesquerella tenella P. C. Everett, E. K. Balls 1958-5-7 23115 Riverside S end Joshua Tree National Monument 1067 Comment
  UCR145969  Lessingia filaginifolia var. filaginifolia June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CAS-BOT-BC339368  Lessingia glandulifera var. glandulifera H. M. Hall 1901-8-1 2626 Riverside San Jacinto Mountains. Strawberry Valley 1615 Comment
  RSA506443  Lessingia glandulifera var. glandulifera Kathy Harper 1988-6-11 s.n. Riverside Bautista Canyon, lower end of Bautista Rd. Comment
  SBBG63083  Lessingia glandulifera var. glandulifera R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  UC892737  Lessingia glandulifera var. glandulifera I. W. Clokey and E. G. Anderson 1935-8-21 6951 Riverside w Keen Camp Post Office 1200 Comment
  UCR92157  Lessingia glandulifera var. glandulifera D. L. Banks, Steve Boyd 1995-10-17 757 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area. Along lower Arroyo Seco, south of the Dripping Springs Campground. Along the broad alluvial benches north of where Arroyo Seco turns to the east 512 Comment
  RSA735985  Leymus condensatus Scott D. White, Justin M. Wood 2008-5-29 12041 Riverside West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR222297  Lilaea scilloides R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55205 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  UC26802  Limosella acaulis H. M. Hall 1901-7 2494 Riverside Lake Surprise; San Jacinto Mountains, shores of Lake Surprise 2499 Comment
  UC1329876  Linanthus aureus James E. Cole 1941-4-15 594 Riverside Pleasant Valley Joshua Tree National Monument 762 Comment
  RSA718302  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  UCR263474  Linanthus ciliatus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35590 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  RSA747874  Linanthus dianthiflorus Justin M. Wood 2009-5-11 695 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR103736  Linanthus dianthiflorus A. C. Sanders, G. Helmkamp 1997-3-15 19984 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCR51953  Linanthus jonesii Steve Boyd, T. S. Ross, D. Nordin, L. Arnseth, Richard Noyes, S. Meury 1988-3-10 2174 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR75062  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR220141  Linanthus lemmonii D. E. Bramlet 1990-4-27 1984 B Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  JEPS58470  Linanthus liniflorus W. L. Jepson 1914-5-25 6076 Riverside Beaumont Comment
  RSA702730  Linanthus liniflorus Scott D. White, Michael Honer 2004-4-6 10059 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UC52463  Linanthus liniflorus H. M. Hall 1897-5-5 526 Riverside Leon Comment
  JOTR37477  Linanthus pungens Hodges, Stephen, T. Green 2016-5-5 598 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  POM12935  Linanthus pungens subsp. hallii P. A. Munz 1922-6-27 5874 Riverside Toro Peak. 2287 Comment
  UCR266492  Linaria canadensis var. texana Mitch Provance, Matt Amalong 2015-3-25 315- 36 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  RSA489832  Linum lewisii D. Charlton 2127 Riverside Santa Rosa Mtns., South of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area W side. 2287 Comment
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Mar 16 2014
  UCSB3558  Linum lewisii Lauter, Wolfgang 1960-5-15 Riverside 5.7 miles north of Idyllwild on Calif. highway 74 Comment
  UCR84063  Lippia nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  UCR20389  Lithophragma affine John C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon [1 mile] SE of [summit of] Reche Canyon 686 Comment
  RSA0010986  Lithophragma affine Ora M. Clark 1929-3-29 1949 Riverside S. Hemet. Comment
  RSA612964  Loeflingia squarrosa D. L. Banks 1997-3-29 1633 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
  JOTR35499  Loeseliastrum matthewsii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3187 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  RSA639631  Loeseliastrum schottii R. F. Thorne 1973-3-30 42679 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA0094184  Logfia depressa Jim M. Andre 2012-4-11 20694 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
  RSA0121171  Logfia filaginoides Duncan S. Bell, LeRoy Gross 2016-3-30 9179 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SEINET244006 Image available Logfia filaginoides Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  SDSU12928  Logfia gallica Jutta Buschbom 1991-6-1 16 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC875124  Lomatium dasycarpum subsp. dasycarpum I. W. Clokey 1933-4-18 6780 Riverside Gavilan Peak 700 Comment
  UCR120961  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23888 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  VVC162  Lonicera interrupta A. C. Sanders, J. Mac 1997-5-4 20678 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  RSA191424  Lonicera subspicata var. denudata E. W. Lathrop, R. F. Thorne 1967-9-26 s.n. Riverside 6 miles NW of Murrieta. Comment
  UC1125311  Lonicera subspicata var. denudata R. St. John 1931-1-24 177 Riverside ne Oak Mountain; San Jacinto Quadrangle Comment
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Nov 27 2011
  UC1366096  Lonicera subspicata var. denudata K. R. Montgomery 1969-9-6 69 -17 Riverside 18 mi s Hemet (Wilson Valley Road) 1219 Comment
  UC455867  Lonicera subspicata var. denudata I. J. Condit 1910-6-24 Riverside San Jacinto Mt. 609 Comment
  RSA0020465  Lophocereus schottii Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6031 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  CLARK-A1528-481  Lotus argophyllus Charlotte Stocks 1964-6-12 Riverside Whitewater Canyon Comment
  RSA406721  Lotus argophyllus var. argophyllus Christopher Davidson, B. Gustafson 1977-4-7 5586 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
  RSA621871  Lotus argophyllus var. argophyllus R. S. Woglum 1935-5-20 615 Riverside Palm Springs Comment
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Aug 27 2011
  UC80920  Lotus crassifolius var. crassifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  RSA407730  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCR143489  Lotus haydonii B. C. Templeton, I. W. Clokey 1930-4-9 1011 Riverside Sonoran (Colorado) Desert, N of Palm Springs 400 Comment
  UCR192721  Lotus purshianus A. C. Sanders, Mike Misenhelter 2008-6-10 35454 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  UCR6715  Lotus purshianus Frank C. Vasek 1964-7-19 640719- 03 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  SDSU4337  Lotus rigidus A. H. Gallup 1949-3-28 379 Riverside Palms to Pines Hwy. 732 Comment
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Jan 24 2013
  POM158595  Lotus salsuginosus G. R. Vasey 1880-06 126 Riverside Temecula Comment
  RSA90380  Lotus salsuginosus var. brevivexillus F. W. Peirson 1927-4-12 7155 Riverside Painted canyon, near Mecca. Comment
  UC1595587  Lotus salsuginosus var. salsuginosus Steve Boyd and Orlando Mistretta 1991-5-9 6177 Riverside on ridge between Bedford Canyon and McBribe Canyon (lower flank of range along the Bedford Truck Trail); Santa Ana Mountains 548 Comment
  CLARK-A1528-487  Lotus scoparius Fred B. Essig 1964-1-11 10 Riverside Corona 640 Comment
  RSA660555  Lotus scoparius Lydia Paneri 1982-4-17 15 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR187500  Lotus scoparius subsp. brevialatus Theresa Johnson 2006-5-11 098 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  UCR250883  Lotus scoparius subsp. brevialatus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1052 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  UCR260845  Lotus scoparius subsp. brevialatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41508 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  UCR234330  Lotus scoparius subsp. scoparius A. C. Sanders, John F. Green 2012-4-6 40009 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, major culvert/wash crossing along Temescal Cyn. Rd., near Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 323 Comment
  RSA779588  Lotus strigosus Duncan S. Bell 2009-3-7 20 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA781906  Lotus strigosus Duncan S. Bell 2010-5-1 884 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR18185  Lotus strigosus A. C. Sanders 1978-4-30 00341 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UCR245895  Lotus strigosus R. F. Thorne 1995-3-29 63012 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR214552  Lotus strigosus var. tomentellus A. C. Sanders 2010-3-15 37393 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  POM14357  Lotus tomentellus P. A. Munz, D. D. Keck 1922-4-9 4765 Riverside Shavers Well, near Mecca. 76 Comment
  JOTR35036  Lupinus arizonicus La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3489 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
  POM305635  Lupinus arizonicus Henry J. Ramsey 1937-2-26 864 Riverside Indio Comment
  RSA86945  Lupinus arizonicus F. W. Peirson 1921-4-13 2497 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  UC517569  Lupinus arizonicus John Thomas Howell 1928-3-11 3434 Riverside 6 mi se Garnet Station; Colorado Desert, se of Garnet Station 152 Comment
  RSA591821  Lupinus bicolor E. W. Lathrop 1966-3-23 6094 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA613859  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  UCR208039  Lupinus bicolor E. W. Lathrop 1966-3-23 6094 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  CLARK-A1528-2819  Lupinus bicolor subsp. microphyllus John C. Roos 1952-4-30 5603 Riverside Edgemont 487 Comment
  UC1929497  Lupinus concinnus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10483 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: E 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
  UCR177827  Lupinus concinnus 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 1098 Comment
  POM12098  Lupinus concinnus subsp. optatus Mary F. Spencer 1921-6-3 1637 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA190627  Lupinus concinnus subsp. optatus L. B. Ziegler 1967-6-1 s.n. Riverside Hemet (Garner) Valley, in Kenworthy area. 1402 Comment
  SEINET10870983  Lupinus densiflorus var. austrocollium Robert F. Thorne 1968-5-8 Thorne 37598 Riverside Santa rosa plateau: grassy bank along small stream near roadside, rancho California; with cirsium drummondii, astragalus pomoninsis, etc. 610 Comment
  UC478969  Lupinus excubitus Marcus E. Jones 1931-5-17 28966 Riverside Keyes Ranch Comment
  CAS-BOT-BC216680  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, SW of Beaumont, Bad lands 670 Comment
  UCR121228  Lupinus excubitus var. austromontanus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2268 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CAS-BOT-BC216698  Lupinus excubitus var. excubitus Mary F. Spencer 1919-6-19 1195 Riverside Idyllwild 1645 Comment
  RSA430395  Lupinus formosus M. L. Conrad, David B. Dunn, LeDoux 1973-6-15 292 Riverside 5.9 miles SE of Jct. of Idlewild Road and Hwy 74 on 74. 1220 Comment
  RSA797258  Lupinus formosus Robert F. Thorne, Walter Wisura 1977-9-17 50796 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  SD255741  Lupinus formosus Mitch Provance 2012-5-24 512 19 Riverside San Bernardino Mountains; Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 868 Comment
  RSA342537  Lupinus hirsutissimus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54020 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  RSA413702  Lupinus hirsutissimus N. C. Cooper 1944-6-4 1360 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA612786  Lupinus hirsutissimus D. L. Banks, Victor W. Steinmann 1997-3-13 1416 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA644186  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  UCR162644  Lupinus hirsutissimus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR42380  Lupinus hirsutissimus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 167 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  POM13291  Lupinus hyacinthinus E. C. Jaeger 1921-7-8 1060 Riverside Dark Canyon, San Jacinto Mts 2439 Comment
  RSA396456  Lupinus hyacinthinus Dave Kelly, Walter Wisura 1987-6-19 4167 Riverside 7.6 mile from Hwy 74 along Thomas Mtn Road S of Lake Hemet, San Jacinto Mtns Comment
  RSA761993  Lupinus hyacinthinus Peter Guiden, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 73 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD27999  Lupinus shockleyi Carl B. Wolf 1932-4-29 3121 Riverside 3.0 miles south of Rice on Blythe Road. 213 Comment
  HSC84217  Lupinus sparsiflorus Karin Cleary 1987-4-8 12 Riverside E side of freeway Sunset Ave., 1.25 km N of freeway I-10 823 Comment
  RSA736707  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SEINET4035668  Lupinus sparsiflorus O. M. Clark 1929-1 112 Riverside South Cabezon. 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
  SEINET10837784  Lupinus succulentus var. succulentus August J. Breitung 1953-4-19 Breitung 14768 Riverside In grain field 10 mi e of beaumont. Flowers purple, upper lip with white Blotch in center. Keel ciliate near claws both above and below. Comment
  RSA524230  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4024 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA791723  Lupinus truncatus Robert F. Thorne 1995-3-29 63015 Riverside White Water Canyon. 600 Comment
  UCR89849  Lupinus truncatus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3311 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CAS-BOT-BC231421  Lycium andersonii F. M. Reed 1905-12-25 862 Riverside Gavilan Hills region. 2 mi. sw. of Ferris 426 Comment
  RSA489  Lythrum californicum J. T. Howell 1927-8-1 522 Riverside Mission Creek, Colorado Desert. 610 Comment
  UCR20174  Machaeranthera canescens subsp. ziegleri Jeanine Derby, T. P. Krantz 1977-1 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain, along [Forest Service Road] 7S02 to summit Comment
  UCR60656  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mtns, north slope of Santa Rosa Mtns. 2287 Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  CLARK-A1528-2003  Machaeranthera tortifolia John C. Roos 1949-4-10 4225 Riverside Chuckwalla Mountains Comment
  UCR147844  Machaeranthera tortifolia Steve Boyd, Et al. 2004-5-14 11275 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  RSA559457  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-4 7210 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 732 Comment
  UCR77572  Malacothamnus densiflorus var. densiflorus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6127 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  CAS-BOT-BC345286  Malacothrix californica Marian L. Campbell 1921-3-19 17 Riverside Palm Springs Comment
  UCR87630  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CAS-BOT-BC347689  Malacothrix glabrata L. R. Abrams 1926-3-25 11001 Riverside Near Banning Comment
  JOTR33975  Malacothrix glabrata La Doux, Tasha, M. Harding 2010-4-7 2863 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM305807  Malacothrix glabrata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1052 Riverside Corona-Elsinore. Comment
  POM362314  Malacothrix glabrata N. C. Cooper 1949-3-15 3033 Riverside Palm Springs. 122 Comment
  RSA110397  Malacothrix glabrata E. K. Balls 1955-6-5 20954 Riverside In dry Morongo wash, nw. end of cochella valley. Comment
  RSA776022  Malacothrix glabrata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 985 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SBBG66067  Malacothrix glabrata M. N. Ackley 1928-4-4 Riverside near Bridge Haven 426 Comment
  UC1930180  Malacothrix glabrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10484 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
  SEINET10800084  Malacothrix glabrata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6452 Riverside Rice Valley, 12.3 miles south of Rice. 274 Comment
  IRVC77  Malosma laurina L. Stilgenbauer 1965-4-25 s.n. Riverside Ortega Highway; above Elsinore. Santa Ana Mountains Comment
  RSA162695  Malvella leprosa J. D. Olmsted 1959-9-23 1015 Riverside San Jacinto River crossing by Lakeview Rd. from US 395 NW of Lakeview Mts 427 Comment
  UCR101461  Malvella leprosa A. C. Sanders, K. C. Rose 1998-9-29 22246 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA509556  Marah macrocarpa Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  UCR113207  Marah macrocarpa A. C. Sanders 1998-3-11 21657 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  UCR138635  Marah macrocarpa var. macrocarpa D. L. Banks, J. Moreno 1997-2-5 1261 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  RSA404231  Marina parryi L. H. Jones 1910-3-18 s.n. Riverside Riverside Mtn, Colorado River. Comment
  RSA607361  Marina parryi R. S. Woglum 1939-4-11 2223 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  RSA727014  Marina parryi Naomi S. Fraga, Lisa Rojas 2005-2-10 1411 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  RSA777855  Marina parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 840 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UC494398  Marina parryi C. L. Hitchcock 1932-4-7 12205 Riverside Corn Springs, e Riverside County Corn Springs Comment
  UCR264216  Marina parryi A. C. Sanders, Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR52003  Marina parryi Steve Boyd 1988-3-10 2131 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCSB59678  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  SD187430  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  SDSU13590  Marrubium vulgare W. Miller with C. Mosse 1972-7-20 Riverside R.C. Weather station north boundary. 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
  CSUSB1094  Medicago sativa Shirley Hill 1963-3-31 630331 2 Riverside Corner of 8th and Lincoln in Banning. 100 feet from road. Comment
  CSUSB1135  Medicago sativa Sally Bell 1964-5-1 Riverside Highway 60, about 0.5 mile east of the crest of the grade in the Badlands between Sunnymead and Beaumont, on the south side of the road. 914 Comment
  CAS-BOT-BC269426  Melica californica Marcus E. Jones 1882-4-25 3554 Riverside San Jacinto Comment
  RSA750741  Melica imperfecta Scott D. White, Justin M. Wood 2009-5-22 12908 Riverside Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  RSA0012653  Melilotus indicus LeRoy Gross, Caitlin Elam 2013-5-14 6081 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
  SD137761  Melilotus indicus Darin L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Wilderness Area; north sloope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA49100  Melilotus officinalis R. Weatherby 1949-5-29 13393 Riverside Campus of La Sierra College. Arlington Comment
  POM182471  Mentha aquatica Joseph A. Ewan 1931-10-3 8212 Riverside Santa Ana River 4 mi NW of Corona. Comment
  UC63738  Mentha pulegium H. M. Hall Jul 1897 770 Riverside San Jacinto Mt. Comment
  UCR202604  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA523549  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4009 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CSUSB970  Mentzelia involucrata Art Whistler 1966-3-26 s.n. Riverside 1 mile below the entrance to the Philip L. Boyd Desert Reseach Center, Deep Canyon. 100 yards off the road in a deep wash Comment
  RSA440414  Mentzelia involucrata H. M. Hall 1905-04 5803 Riverside 8 miles W of Indio Comment
  SEINET192011  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside Cottonwood Canyon, ca 100 yards east of Spring. Comment
  UC1929704  Mentzelia involucrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10503 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  RSA264571  Mentzelia longiloba var. longiloba C. W. Tilforth, John Dourley 1977-5-19 1323 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road, between Arica Mtns & Rice Valley. 244 Comment
  UCR163075  Mentzelia longiloba var. longiloba B. G. Pitzer, G. R. Ballmer 2000-10-14 4231 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  POM2969  Mentzelia montana H. M. Hall 1919-12 3829 Riverside [Unspecified] Comment
  CAS-BOT-BC435295  Mesembryanthemum nodiflorum A. C. Sanders; K. C. Rose 1998-5-21 21853 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
  UC1979565  Micropus californicus var. californicus Darin L. Banks, Steve Boyd 1995-5-9 397 B Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR75549  Microseris douglasii subsp. douglasii A. C. Sanders 1993-5-12 14018 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  RSA525444  Microseris douglasii subsp. platycarpha Steve Boyd, David E. Bramlet 1990-4-29 4489 Riverside Lake Skinner County Park, S flank of Bachelor Mountain 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
  UCR189587  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-23 102 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  UCR228821  Microseris heterocarpa A. C. Sanders 2011-4-26 39321 Riverside Peninsular Range, Alberhill Mountain, along dirt track parallel to Coal Ave./Nichols Rd. 432 Comment
  RSA0016888  Microseris lindleyi Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA0018782  Mimetanthe pilosa N. C. Cooper 1949-6-29 4333 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA0036465  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  UCR84639  Mimulus aurantiacus var. pubescens Scott D. White, S. Ogg 1994-4-21 1987 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCSB38664  Mimulus aurantiacus var. pubescens Cowan, Clark 1978-4-25 Riverside 6.7mi(10.7 km) SW on 74 from jct w/ 71; 4.6 mi(7.3 km) from Lake Elsinore; Sta. Ana Mts; Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  UC1018203  Mimulus aurantiacus var. puniceus J. Warren 1952-3-16 Riverside Lake Elsinore 457 Comment
  UCR97282  Mimulus aurantiacus var. puniceus Scott D. White 1993-3-12 1165 Riverside Near Winchester 466 Comment
  UCR72232  Mimulus bigelovii Theo Glenn 1991-5-24 91- 130 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  JEPS86903  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 824 Riverside 7.3 mi from I-10 interchange (along Box Canyon road to Mecca, n side of road about 100 yards above the road); Shavers Well vicinity 280 Comment
  RSA554425  Mimulus bigelovii var. bigelovii Theo Glenn 1991-5-24 91 -130 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  CSUSB886  Mimulus brevipes John Milbauer 1976-5-12 Riverside Pigeon Pass Road. Comment
  JEPS11072  Mimulus floribundus W. L. Jepson and H. M. Hall 1901-5-19 1300 a Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  RSA680492  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9599 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  SBBG53759  Mimulus floribundus S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UCR17145  Mimulus floribundus Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  UCR84609  Mimulus floribundus Scott D. White, S. Ogg 1994-4-21 2003 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0014937  Mimulus fremontii var. fremontii LeRoy Gross, Evan Meyer 2013-5-21 6122 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR14560  Mimulus fremontii var. fremontii T. Gull 1974-5-11 s.n. Riverside San Bernardino Mtns., Lower Banning Canyon Comment
  LA209402  Mimulus guttatus Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  UC26997  Mimulus nasutus Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC9644  Mimulus palmeri H. M. Hall 1900-6-1 1449 Riverside Lytle Creek Canyon 1767 Comment
  JEPS3998  Mimulus parishii Marjorie D. Clary 1932-6-5 1634 Riverside Eagle Canyon, w side of Colorado Desert Eagle Canyon; Colorado Desert 182 Comment
  CAS-BOT-BC388773  Minuartia douglasii Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15 Comment
  CLARK-A1528-636  Mirabilis californica C. M. Flanagan 1973-4-14 OO 106 Riverside Sunnymead 609 Comment
  CSUSB1327  Mirabilis californica D. Gordon 1952-3-3 Riverside UCR campus 396 Comment
  CAS-BOT-BC434678  Mirabilis laevis var. crassifolia J. C. Roos 1966-4-23 s.n. Riverside Hills S. of Corona. Comment
  RSA0027980  Mirabilis laevis var. crassifolia D. L. Banks, Steve D. Boyd 1995-5-3 274 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
  RSA0047271  Mirabilis laevis var. crassifolia J. Mark Porter, Lauren E. Machen 1997-2-15 11420 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA339662  Mirabilis laevis var. retrorsa Robert F. Thorne, C. W. Tilforth 1980-5-28 54167 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UC279685  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-2-28 Riverside hills near Salt Creek Wash Comment
  UCD98205  Mirabilis laevis var. villosa Anne Harrison 1962-4-17 23 Riverside On White-water Canyon Road north of U.S. Highway 60, 0.25 mile south of trout farm where road crosses Whitewater River. Comment
  CAS-BOT-BC434881  Mirabilis multiflora var. pubescens D. E. Breedlove 1961-9-11 1261 Riverside At Pinon Flats Campground along State Highway 74; Santa Rosa Mountains 1249 Comment
  JEPS61339  Mirabilis tenuiloba Marjorie Clary 1932-6-22 658 Riverside Canyons at base of Santa Rosa Mountains, SW of Coral Reed, Coachella Valley Comment
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Apr 4 2011
  RSA408763  Mohavea confertiflora George R. Johnston, G. R. Johnston 1930-4-14 14660 Riverside Shaver's Well Riverside. Comment
  RSA408767  Mohavea confertiflora W. M. Zabriskie 1973-2-16 115 Riverside Upper Pipistrelle Canyon, Deep Canyon drainage. N slope Santa Rosa Mrns. 762 Comment
  RSA758321  Mohavea confertiflora Doug Goldman 2005-3-3 3024 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCR86859  Mohavea confertiflora A. C. Sanders, K. C. Rose 1995-4-27 16740 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  RSA0010770  Mollugo verticillata Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6342 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  JEPS63419  Monardella australis subsp. australis W. L. Jepson 1903-8-8 2314 Riverside San Jacinto Peak 3139 Comment
  SD136813  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross 1992-6-10 7634 Riverside San Mateo Canyon Wilderness Area; San Mateo Canyon Poterro Escondido. 671 Comment
  RSA0012217  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1372 Comment
  POM19173  Monardella macrantha subsp. hallii P. A. Munz 1923-6-14 7088 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
  RSA762736  Monardella nana Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 79 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1499877  Monardella nana Elizabeth McClintock 1940-9-1 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  UCR35324  Monardella nana L. B. Ziegler 1967-6-27 183 Riverside San Jacinto Mtns, Hemet Valley 1494 Comment
  POM307236  Monardella nana subsp. arida Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2112 Riverside Santa Rosa Mountains. Comment
  RSA750398  Monardella nana subsp. arida Elizabeth McClintock, J. Fenley 1940-5-31 15 Riverside 2 miles east of Ribbonwood Camp, Pines to Palms Highway. Comment
  SDSU7308  Monardella nana subsp. arida H. Wedberg 1962-4-20 912 Riverside About 1 mile SE of Pinyon Flats on raod to Palm Springs. 1219 Comment
  UCR113751  Monardella nana subsp. arida William LaHaye 1999-1 s.n. Riverside Santa Rosa Mtns, Near Santa Rosa Peak 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
  UCR221484  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 069 Riverside Peninsular Range; Santa Rosa Mtns., 3 miles east of Ribbonwood Camp [Pinyon Flat], Pines to Palms Highway 1220 Comment
  UC1499952  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 97 Riverside Fuller Mill Creek Banning-Idyllwild road Comment
  UCR146121  Monardella nana subsp. tenuiflora Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, first peak west of Toro Peak 2617 Comment
  SEINET10582076  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 40 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  RSA304548  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside Santa Ana River bottom just east of the old Salt Lake River Bridge, Riverside. Comment
  UCR260159  Monolepis nuttalliana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4777 Riverside Eastern Mojave Desert, east side of Arica Mountains, west side of Rice Valley c. 6 air mi southeast of the ghost town of Rice or c. 5.25 air mi east-southeast of Priests Well 211 Comment
  UCR85587  Monolepis nuttalliana Julie A. Greene 1993-4-30 1249 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, east of Davis Road 433 Comment
  CAS-BOT-BC349793  Monoptilon bellioides Carl B. Wolf 1932-4-27 3006 Riverside Colorado Desert. 17 mi. E. of Mecca, on Blythe Road 152 Comment
  CAS-BOT-BC349803  Monoptilon bellioides Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  JEPS31426  Monoptilon bellioides W. L. Jepson 1928-4-25 12608 Riverside below Cottonwood Springs; Eagle Mts. 731 Comment
  RSA784739  Monoptilon bellioides Duncan S. Bell 2012-2-12 3084 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG55751  Monoptilon bellioides D. Keil, M. McLeod, D. Walters 1977-3-28 12073 Riverside Pinto Basin Rd, ca. 11 mi S of N park boundary, Joshua Tree Nat Monument Comment
  SFV4064  Monoptilon bellioides R. M. Beeles 1952-4-4 182 Riverside 2.15 miles west of junction of US Highway 60, US Highway 70, and US Highway 195. Comment
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Mar 26 2014
  UC84198  Monoptilon bellioides C. R. Orcutt April, 1887 Riverside Colorado Desert Comment
  CDA39523  Moraea polystachya S. Morgan 1984-11-2 s.n. Riverside University of California, Riverside. Botanic Garden. 0 Comment
  UCD86664  Muhlenbergia filiformis Peter Kamb 1948-7-11 1191 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  RSA403582  Muhlenbergia microsperma Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
  SEINET191996  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring Wash Joshua Tree National Monument. Comment
  UC819060  Muhlenbergia microsperma P. A. Munz and I. M. Johnston 1922-5-21 5550 Riverside dry slope 4 mi ne San Jacinto 457 Comment
  UCR85187  Muhlenbergia microsperma A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  CLARK-A1528-4759  Muhlenbergia minutissima John C. Roos, Lucille Roos 1952-10-18 5903 Riverside Little San Bernardino Mountains 1219 Comment
  CAS-BOT-BC83347  Myosurus minimus Frank W. Peirson 1922-5-20 3035 Riverside About 1 mile belwo Kenworthy. Hemet Valley, San Jacinto Mountains. 1386 Comment
  UC217897  Nama P. A. Munz, D. Keck 1922-4-13 4931 Riverside Hayfields Colorado Desert, Chuckawalla Valley, Hayfields (Chuckawalla Valley, Colorado Desert, dry basin) 152 Comment
  CHSC692  Nama demissa F. Hughes 1935-4-16 Riverside Colorado Desert Comment
  SJSU1887  Nama demissa J. W. Tilden 1957-4-18 1106 Riverside near Whitewater E of San Gregorio Pass Comment
  RSA757633  Nama demissa var. demissa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4321 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
  RSA74713  Nama demissa var. deserti F. W. Peirson 1920-2-15 2315 Riverside Palm Springs, Tahquitz Camp. Comment
  POM194892  Nama hispida var. revoluta Roxana S. Ferris 1928-4-22 7188 Riverside Colorado River bottom near Ripley South of Blythe. Comment
  CLARK-A1528-2984  Nama stenocarpa John C. Roos 1951-10-19 5327 Riverside San Jacinto Valley 457 Comment
  RSA525232  Nassella lepida Steve Boyd, Timothy S. Ross 1990-5-11 4609 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA575823  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, norhteastern edge of the Gavilan Plateau on bouldery ridge (2427') to N of flats. Comment
  RSA736240  Nassella lepida Scott D. White, Jonathan Campbell 2008-4-18 11898 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UC1133175  Nassella lepida A. Lewis Mar 1934 327 Riverside Bedford Canyon Corona Quadrangle Comment
  RSA791727  Nasturtium officinale R. F. Thorne 1995-3-29 63019 Riverside White Water Canyon 600 Comment
  RSA73148  Navarretia fossalis F. W. Peirson 1922-5-19 4242 Riverside 5 miles northeast of Murrieta on road to Perris 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
  UCSC001316  Nemacladus longiflorus Peter Kamb 1947-6-7 567 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  SBBG18216  Nemacladus pinnatifidus M. A. Piehl 1963-6-2 63547 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  UCR133442  Nemacladus pinnatifidus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 466 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR25922  Nemacladus ramosissimus John C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  UCR281783  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-5 417- 106 Riverside Temescal Valley, Foothills of the Gavilan Range, ridge +- 0.5 miles NNW of Lake St. and Walker Canyon Rd. 543 Comment
  UCSB38679  Nemacladus sigmoideus Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  SEINET10460870  Nemacladus sigmoideus Frank W. Peirson Peirson 7913 Riverside n Colorado Desert Comment
  RSA439275  Nemacladus tenuis var. aliformis Christopher Davidson 1979-4-4 7703 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA75132A  Nemacladus tenuis var. tenuis F. W. Peirson 1920-2-16 4681 Riverside Palm Canyon, near below Palm Springs Comment
  POM13005  Nemophila menziesii P. A. Munz, D. M. Johnston 1922-5-19 5426 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  RSA421334  Nemophila menziesii Ora M. Clark 1929-2-23 1535 Riverside San Jacinto Mt, Mountain slopes Comment
  UCR178843  Nemophila menziesii T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 133 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  UCR91423  Nemophila menziesii Scott D. White 1995-3-30 2660 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
  POM13998  Nemophila menziesii var. integrifolia E. C. Jaeger 1921-6-17 934 Riverside San Jacinto Mtns, Below Greggs Ranch Comment
  CSUSB121  Nemophila menziesii var. menziesii Randy Salstrom 1966-3-3 Riverside Bottom of canyon at east end of Blain Street, in the Box Springs Mountains in Riverside (city). 274 Comment
  UCD121389  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside San Bernardino Valley/upper Santa Ana River region: Corona, SW side of I-15, between Taber and Ontario Streets. 277 Comment
  RSA628826  Nicotiana acuminata A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22232 Riverside Morongo Indian Reservation, lower Hathaway Creek Canyon. 838 Comment
  RSA653431  Nicotiana attenuata Scott D. White 1999-5-24 7399 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SD247515  Nicotiana attenuata A. C. Sanders, T. B. Salvato 2014-7-2 41178 Riverside Peninsular Range; San Jacinto Mountains: Fobes Canyon, c 1/2 mile south of Fobes Ranch along Fobes Ranch Road. (Palm View Peak 7.5'Q) 1555 Comment
  UCR21966  Nicotiana glauca Steve Boyd 1980-5-21 295 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  RSA264605  Nicotiana obtusifolia C. R. Orcutt 1889-04 1464 Riverside Colorado Desert. Comment
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Sep 7 2011
  UCR20835  Nicotiana obtusifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1319 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UC63871  Nolina parryi H. M. Hall May 17 1901-Jun 1 1901 1819 Riverside se base San Jacinto Mt. 1402 Comment
  UCR130127  Nolina parryi Carl Epling, Wm. Robison 1933-6-26 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns., Key's View 1524 Comment
  UCR168371  Nolina parryi subsp. wolfii P. H. Raven 1959-5-18 14246 Riverside Peninsular Ranges; San Jacinto Mountains, 0.9 miles south of Mountain Center on road [Hwy 74] to Aguanga 1433 Comment
  SBBG122762  Nuttallanthus texanus A. Parikh 1990-4-27 162 Riverside Rawson Cyn, SW of Crown Valley, 1.6 km SW of jct of Crown Valley Rd and Rawson Rd 612 Comment
  RSA781799  Oenothera Duncan S. Bell 2010-5-1 881 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA788412  Oenothera bistorta var. veitchiana Doris Bowers 1972-4-15 1798 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  CHSC1140  Oenothera californica V. Holt 1942-3-29 Riverside Near Indio. -6 Comment
  JOTR35482  Oenothera californica subsp. californica La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3170 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  LA206160  Oenothera deltoides A. M. Johnson; 1933-2-22 4172 Riverside E of Cook's Ranch, 4 mi. NW of Indian Wells Comment
  RSA0013274  Oenothera deltoides April Garbat, Sarah J. De Groot 2013-4-9 46 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  RSA785414  Oenothera scapoidea Keith E. Hoffmaster 1935-3-31 568 Riverside Palm Springs Comment
  SBBG25820  Oligomeris linifolia E. R. Blakley 1966-4-9 6748 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  SEINET4089734  Oligomeris linifolia G. T. Manthey 1977-1 1617 Riverside About 10 miles east of Mecca onroad going toward Joshua Tree National Forest. Comment
  UCR265202  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Sonoran (Colorado) Desert, along Box Canyon Road from Cottonwood Springs Road to Mecca 305 Comment
  CHSC109269  Oncosiphon piluliferum Scott D. White; Justin Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  SEINET5497541 Image available Oncosiphon piluliferum Andrew C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. south of Van Buren Blvd. 465 Comment
  UCR266156  Oncosiphon piluliferum R. E. Riefner Jr. 2015-3-24 15- 97 Riverside Perris-Agunaga Basin, city of Perris, Case Road at Watson Road 450 Comment
  UCR280191  Oncosiphon piluliferum Steve Boyd 2017-4-19 12324 Riverside City of Riverside, residential lot at 4376 Beechwood Place 229 Comment
  SD229119  Opuntia basilaris var. basilaris Dick Schwenkmeyer 2012-5-22 726 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SEINET224227  Opuntia munzii Clarence Bonner 1960-12-25 Riverside Chuckwalla Well, south side, in the Little Chuckwalla Mountains 305 Comment
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Mar 12 2016
  RSA6611  Opuntia parryi B. D. Stark 1933-2-19 4529 Riverside 2.5 miles east of Nuevo. [county not specified on label] Comment
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Feb 19 2007
  POM284055B  Opuntia phaeacantha Lyman Benson 1955-12-6 15619 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA6210  Opuntia polyacantha var. erinacea B. D. Stark 1932-09 4374 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
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Dec 11 2011
  CLARK-A1528-3390  Orobanche cooperi John C. Roos 1949-3-26 4125 Riverside Mecca Comment
  SBBG68733  Orobanche cooperi L. Rowntree 1930-5-8 Riverside Mecca Comment
  UC218228  Osmorhiza berteroi P. A. Munz 1922-9-6 6371 Riverside Round Valley San Jacinto Mts. 2712 Comment
  UCR19404  Oxalis corniculata C. S. Papp 1963-6-10 269 Riverside Collector's backyard in Riverside [Papp residence] Comment
  RSA64893  Oxytheca caryophylloides F. W. Peirson 1924-7-29 5019 Riverside 1 miles west of Fullers Mill on Banning to Idyllwild Road, San Jacinto Mts. 1768 Comment
  POM13102  Oxytheca emarginata P. A. Munz, Johnston 1922-5-20 5495 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  POM230601  Oxytheca trilobata I. W. Clokey, E. N. Anderson 1935-8-21 s.n. Riverside East of Keen Camp P. O. 1350 Comment
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Jan 19 2012
  RSA0106480  Oxytheca trilobata Duncan S. Bell, Valentin Arvizu 2010-5-24 1103 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  CHSC35506  Paeonia californica Donna Panico 1972-4-30 33 Riverside 3 mi. SW of Washington Rd. on Tenaja Rd. in Cleveland Nat'l Forest. 548 Comment
  CAS-BOT-BC327931  Palafoxia arida Peter H. Raven 1958-1-23 11412 Riverside 2.7 miles W of Whitewater Post Office Comment
  SBBG104169  Palafoxia arida E. R. Blakley 1993-5-20 7566 Riverside W of rdside rest area at jct of Interstate 10 and rd S to Wyles Well, ca. 15 mi W of city of Blythe Comment
  UCR148299  Palafoxia arida John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA341999  Palafoxia arida var. arida R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54117 Riverside Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  UCR104022  Palafoxia arida var. arida George K. Helmkamp, E. A. Helmkamp 1998-2-5 2660 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA600855  Palafoxia linearis Marjorie D. Clary 1937-4-18 2776 Riverside Colorado Desert: Entrance to Thousand Palms Canyon; about 10 miles NW of Indio. 182 Comment
  CLARK-A1528-275  Palafoxia linearis var. linearis Stephen J. Southwell 1971-5-7 Riverside Windy Point 304 Comment
  POM366030  Panicum urvilleanum Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7808 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA92446  Panicum urvilleanum F. W. Peirson 1928-3-10 7703 Riverside Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. Comment
  HSC85252  Papaver californicum Steve Boyd 1986-4-22 1735 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  SEINET223701  Pappostipa speciosa Mary E. Barkworth 1981-5-8 3401 Riverside Near Aguanga close to border with San Diego County 0 Comment
  SEINET7048158  Parietaria hespera var. californica Steven R. Hill 2001-5-3 33659 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA180387  Parietaria hespera var. hespera E. W. Lathrop 1960-6-8 4925 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  RSA559424  Parietaria hespera var. hespera Steve D. Boyd 1992-4-15 6877 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR35007  Parkinsonia aculeata L. B. Ziegler 1974-6-28 529 Riverside San Jacinto Valley 473 Comment
  UCR272649  Parkinsonia florida Cheryl Sevilla, Sarah J. De Groot, Forrest D. Freund 2015-4-1 072 Riverside Sonoran (Colorado) Desert, Coachella Valley, Santa Rosa Mountains, suth of La Quinta, north of Devil Canyon, 2.5 miles west of Lake Cahuilla 136 Comment
  CAS-BOT-BC258776  Paspalum urvillei H. A. Gray 1915-6-1 s.n. Riverside Palm Springs R. R. Station, Colorado Desert Comment
  UCR242714  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  RSA0027564  Pectis papposa var. papposa April Garbat, Kristin Forgrave 2013-8-1 98 Riverside Chuckwalla Valley. Intersection of Graham Pass Rd and Chuckwalla Valley Rd. 120 Comment
  UCR127568  Pectocarya heterocarpa A. C. Sanders, P. J. MacKay, G. MacKay, A. Knapp, C. Sanders 1995-2-19 15944 Riverside Sonoran (Colorado) Desert, Coachela Valley at foot of Santa Rosa Mtns; ancient fish traps 2.2 mi west of Valerie 0 Comment
  UCR72202  Pectocarya heterocarpa Theo Glenn 1992-3-31 92 19 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA659689  Pectocarya linearis J. C. Roos 1952-2-29 5371 Riverside Reche Canyon. 457 Comment
  SEINET998821  Pectocarya linearis Mitch Provance 2003-1 6602 Riverside San Bernardino Valley: Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge. 244 Comment
  UCR113195  Pectocarya linearis A. C. Sanders 1998-3-11 21675 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR113997  Pectocarya linearis Mitch Provance 2000-5-5 2014 A Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR167853  Pectocarya linearis T. B. Salvato, Melissa Clemons 2005-6-2 1340 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  JOTR35926  Pectocarya penicillata De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6874 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  SEINET6060686  Pectocarya penicillata Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR174087  Pectocarya penicillata A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32549 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  UCR281239  Pectocarya penicillata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 51 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  RSA597412  Pectocarya platycarpa L. C. Wheeler 1970-4-5 s.n. Riverside West of Desert Hot Springs, by old road to 29 Palms. Comment
  UCR279359  Pectocarya platycarpa A. C. Sanders, Jim Malusa 2017-3-24 42966 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA0128200  Pectocarya platycarpa G. Rink 2013-3-20 11894 Riverside Above twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  POM292378  Pectocarya recurvata Lyman Benson 1933-3-31 4175 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UCR139715  Pectocarya recurvata B. G. Pitzer 1989-4-16 1306 A Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  RSA368830  Pectocarya setosa Christopher Davidson 1973-4-19 1996 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  CLARK-A1528-3592  Pellaea andromedifolia John C. Roos 1952-4-29 5597 Riverside Reche Canyon 457 Comment
  CHSC8343  Pellaea mucronata Edward L. Smith 1958-3-6 342 Riverside Located in Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  UCR178509  Pellaea mucronata R. G. Swinney 1967-3-5 0046 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  RSA686922  Pellaea mucronata subsp. californica T. R. Pray 1956-11-11 1057 Riverside Santa Rosa Mountain, S side of summit ridge 2439 Comment
  SD81615  Pellaea mucronata subsp. californica Louis C. Wheeler 1931-10-4 174 Riverside Strawberry-Tahquitz Valley Trail, San Jacinto Mountains 2040 Comment
  IRVC3154  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-29 SJ 49 Riverside Above N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 671 Comment
  RSA401846  Penstemon X parishii E. C. Jaeger 1929-6-8 s.n. Riverside McMullen Trail [Banning to McMullen Flat] 1280 Comment
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Nov 5 2011
  UC488987  Penstemon centranthifolius C. V. Meyer June 1927 Riverside San Jacinto Mts. ? Comment
  CLARK-A1528-5314  Penstemon clevelandii Patricia A. Andrews 1947-3-15 3334 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC265288  Penstemon clevelandii subsp. connatus C. Epling 1937-4-10 s.n. Riverside Near Pinon Flats, San Jacinto Mountains Comment
  CAS-BOT-BC265290  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-30 15097 Riverside N of Vandeventer Flat, Santa Rosa Mountains 1676 Comment
  RSA412500  Penstemon clevelandii subsp. connatus N. C. Cooper 1944-5-20 2623 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  UC397415  Penstemon eatonii var. undosus P. A. Munz 1921-5-1 4541 Riverside Pinyon Wells Pinyon Wells (Southern California) 1219 Comment
  SEINET1004566  Penstemon grinnellii T. B. Salvato, John F. Green 2004-1 574 Riverside San Bernardino Mtns: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp. 1341 Comment
  UCR24922  Penstemon labrosus A. C. Sanders 1980-7-18 1654 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SEINET10548021  Penstemon labrosus David B. Dunn 1946-8-17 Dunn 2697 Riverside Dry ground among the bracken ferns, one half mile along the trail to hidden lake From taquitz valley trail turnoff. 2438 Comment
  CLARK-A1528-4315  Penstemon pseudospectabilis John C. Roos 1949-4-10 4227 Riverside Chuckwalla Mountains Comment
  RSA401810  Penstemon spectabilis Jack Rempel, Miller 1934-7-17 20188 Riverside San Jacinto. Comment
  JEPS21330  Pentachaeta aurea W. L. Jepson May 17 1901-Jun 1 1901 1321 Riverside Thomas Valley Comment
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Feb 16 2013
  UCR91555  Pentagramma triangularis subsp. maxonii A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15898 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  RSA799081  Peritoma arborea Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6878 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  HSC3889  Peritoma arborea var. angustata R. K. Brennan 1966-4-9 50 Riverside Yucca mesa, 5 mi. NW of Joshua Tree National Monument 762 Comment
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May 5 2014
  UC35634  Perityle emoryi S. B. Parish Apr 4 1896-Apr 13 1896 4147 Riverside Agua Caliente, desert base of San Jacinto Mt. San Jacinto Mt., Palm Springs 152 Comment
  UC485143  Perityle emoryi F. M. Reed 1917-5-19 3854 Riverside Colorado Desert , Palm Canyon Comment
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Aug 14 2010
  UCR103571  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2746 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  UCR34955  Perityle emoryi L. B. Ziegler 1973-3-6 496 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  JOTR35186  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  OBI12447  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  RSA503355  Petalonyx thurberi S. J. Myers 1988-10-18 s.n. Riverside Garnet Hill, N of Palm Springs, between the Southern Pacific railroad tracks and Hwy 10, E one-third of Granet Hill, SE to Palm Drive 206 Comment
  UC1280883  Petalonyx thurberi H. E. McMinn 1935-6-27 4058 Riverside wash s. of Palm Canyon Comment
  SD73619  Petalonyx thurberi subsp. thurberi Helen V. Witham 1970-4-29 842 Riverside Sandy wash near Palm Desert. 99 Comment
  RSA423799  Petunia parviflora Crawford, J. M. Johnston 1917-6-9 1230 Riverside Santa Ana River near Corona. Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA0031425  Peucephyllum schottii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4474 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR41808  Peucephyllum schottii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6062 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  UCR89865  Peucephyllum schottii George K. Helmkamp 1994-3-10 42 10 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA94108  Peucephyllum schottii F. W. Peirson 1921-3-23 2753 Riverside Deep Canyon, north base of Santa Rosa Mts. 335 Comment
  POM13912  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4759 Riverside Shavers Well, near Mecca. 76 Comment
  RSA425997  Phacelia ambigua M. B. Dunkle 1937-3-25 4913 Riverside Southeast of Indio. Comment
  RSA427704B  Phacelia ambigua Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  UCR111556  Phacelia brachyloba Mitch Provance 1999-5-4 1704 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR37457  Phacelia brachyloba Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA427698  Phacelia campanularia N. C. Cooper 1944-4-8 1086 Riverside Andreas Canyon. 305 Comment
  UCR230930  Phacelia campanularia T. B. Salvato, Richard Camacho 2011-6-12 5486 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCSB5353  Phacelia campanularia Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 road miles N. of U.S. 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  JOTR35288  Phacelia campanularia subsp. vasiformis Andre, Jim 2012-4-11 20781 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA427697B  Phacelia campanularia subsp. vasiformis N. C. Cooper 1944-3-25 995 Riverside Morongo Pass. 457 Comment
  UCD120322  Phacelia cicutaria var. hispida A. C. Sanders; Kerry Knudsen, T. B. Salvato 2004-5-18 27899 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road. 503 Comment
  HSC87131  Phacelia crenulata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2101 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR35325  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA789358  Phacelia crenulata var. ambigua Aaron C. Sedgwick, David Fraker 2012-3-28 17 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  RSA0019476  Phacelia crenulata var. minutiflora Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24386 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  SD52981  Phacelia curvipes Peter H. Raven 1962-5-18 17756 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains. 1615 Comment
  RSA428311A  Phacelia distans Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  RSA703475  Phacelia distans LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1419 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA775386  Phacelia distans Duncan S. Bell 2011-4-10 2244 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  RSA799885  Phacelia distans D. M Ray 2011-3-5 12 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCR117712  Phacelia distans Mitch Provance 1998-6-11 681 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  POM12880  Phacelia imbricata subsp. patula P. A. Munz 1922-7-8 6060 Riverside Fern Valley 1768 Comment
  RSA428090  Phacelia minor E. Crow 1929-3-17 195 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA774715  Phacelia minor Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4522 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR258750  Phacelia minor T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7915 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  RSA428263  Phacelia minutiflora N. C. Cooper 1949-4-8 3293 Riverside Desert Center. 610 Comment
  POM11517  Phacelia ramosissima var. latifolia P. A. Munz 1922-7-1 5926 Riverside Below Santa Rosa Mts. 1768 Comment
  UC56712  Phacelia ramosissima var. ramosissima Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  CLARK-A1045-176  Phalaris caroliniana George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  JEPS83130  Phleum alpinum Carl V. Meyer 1928-7-26 538 Riverside Deer Springs 2651 Comment
  UCR245748  Pholisma arenarium Duncan S. Bell 2009-4-18 216 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  RSA689512  Pholistoma auritum Scott D. White, Michael Honer 2003-4-2 8895 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  RSA459294  Pholistoma membranaceum H. M. Severance 1926-2-20 s.n. Riverside Andreas Canyon, Colorado Desert. Comment
  RSA604753  Pholistoma membranaceum A. C. Sanders 1995-4-13 16507 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. 701 Comment
  RSA0123183  Phoradendron bolleanum Duncan S. Bell, LeRoy Gross 2016-3-30 9171 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  POM2149  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 229 Comment
  SBBG1372  Phoradendron californicum H. and M. Dearing 1937-4-10 2782 Riverside Thousand Palms Cyn Comment
  RSA747437  Phoradendron densum T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 136 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  SD229304  Phoradendron leucarpum subsp. tomentosum Dick Schwenkmeyer 2012-4-18 709 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  JOTR32391  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2495 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  SBBG99847  Physalis crassifolia W. L. Halvorson 1977-3-25 77 -198 Riverside N of Mecca, N of Salton Sea Comment
  SD227911  Physalis crassifolia B. Pitzer 1998-1-24 3381 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd, & wash directly S of rd. 500 Comment
  SEINET10964652  Physalis crassifolia David B. Dunn 1946-2-22 Dunn 1955 Riverside Collected in mud flats dry caked and split. All american canal catch basin from Desert washes. Oracopia mts. Ne of the saltan sea. Very arid country. Comment
  RSA278977  Physalis crassifolia var. crassifolia Barry A. Prigge, L. Martinez 1978-3-23 2429 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA725800  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knools of Riverside: Riverside, Versity Hill (Coyote Hill), S side of the UCR campus. 418 Comment
  UCR17042  Physalis philadelphica R. L. Lasby 1969-5-16 32 Riverside South of Bloomington, [Crestmore] along the E side of Cactus Ave., 0.2 mi south of Jurupa Ave., between windbreak of Eucalyptus trees on the north and low bluff (10-20 ft. high) on the south 293 Comment
  UCR231041  Pinus coulteri A. C. Sanders, Kent Beaman 2011-9-27 39921 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  RSA384332  Pinus flexilis George R. Johnstone 1928-9-8 s.n. Riverside Mt. San Jacinto, Calif. Wind swept timber. 3288 Comment
  RSA384341  Pinus jeffreyi M. B. Dunkle 1933-7-21 3734 Riverside Idyllwild 1616 Comment
  SD229027  Pinus jeffreyi Dick Schwenkmeyer 2012-8-27 797 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road' 7.5 miles north of Idyllwild. 1887 Comment
  SEINET7048007  Pinus lambertiana Steven R. Hill, Kate Kramer and family 2001-4-26 33474 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  RSA479441  Pinus quadrifolia Lyman Benson 1962-2-17 16139 Riverside 1/2 mile SW of Jct of Palms-to-Pines Rd and Hwy 243 to Anza. 1220 Comment
  UCSB147  Pinus quadrifolia Cline, C. 1960-5-15 Riverside 0.2 miles West of Hwy. 74 toward Anza 1066 Comment
  UCSB41941  Pinus quadrifolia Ericson, Trudy 1974-11-9 Riverside St. 74 toward Palm Desert; about 4 1/2 mi. east of intersection with St. 71 1432 Comment
  UCR41373  Pityrogramma triangularis var. triangularis N. M. Fellows 1985-1-5 55 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UCR48487  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR147039  Plagiobothrys arizonicus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mtns, Falls Creek, north side of Mount San Jacinto 549 Comment
  RSA523318  Plagiobothrys canescens G. H. True 1935-2-20 9 Riverside Box Springs, Sycamore Canyon. 366 Comment
  UCR116406  Plagiobothrys canescens A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24192 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
  UCR228935  Plagiobothrys canescens A. C. Sanders 2011-4-6 39005 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
  RSA614194  Plagiobothrys collinus var. californicus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch, E of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  SD181656  Plagiobothrys collinus var. fulvescens Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mts. Near Bedford Canyon. 351 Comment
  UCR180146  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-26 9895 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  POM13593  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5158 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  SBBG104102  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside western edge of Hemet, along S side of Devonshire Ave, between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (Hwy 74) 460 Comment
  UCR281121  Plagiobothrys leptocladus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 23 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  HSC78730  Plagiobothrys nothofulvus A. C. Sanders, T. Glenn 1983-4-17 3737 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  RSA585743  Plagiobothrys tenellus D. L. Banks, S. D. Boyd 1995-5-9 407 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  RSA709240  Plagiobothrys tenellus Scott D. White 1995-3-30 2648 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  UCR150973  Plantago erecta D. L. Banks 1997-3-29 1589 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
  UCR280834  Plantago lanceolata T. B. Salvato, Gregg Miller 2005-6-3 1372 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
  UCR43205  Plantago major B. G. Pitzer 1986-5-24 0246 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  UCR92086  Plantago major Scott D. White, S. Ogg 1994-10-17 2476 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  JEPS7193  Plantago ovata W. L. Jepson 1927-4-12 11645 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA0024821  Plantago ovata Jim Andre 2013-3-4 23871 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  UCR134588  Plantago ovata Marisa Sripracha, Kyle Boyd 2004-2-14 022 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UC1929493  Plantago patagonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10500 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
  UC218258  Platanthera leucostachys P. A. Munz 1922-7-7 6065 Riverside n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  CLARK-A1528-698  Platanus racemosa Rand Ch. Isbell 1970-5-14 3 Riverside Box Springs 365 Comment
  RSA604604  Platanus racemosa Louis C. Wheeler 1961-10-8 7930 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  SD38064  Platystemon californicus Edith A. Purer 1935-4-21 6440 Riverside Pine Valley, on Pines to Palms Highway. Comment
  UC167977  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR116914  Platystemon californicus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23957 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR172220  Platystemon californicus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR22124  Platystemon californicus Steve Boyd 1980-4-11 127 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR220132  Plectritis ciliosa D. E. Bramlet 1989-4-12 1832 Riverside Peninsular Range; Perris-Aguanga Basin region, South Domenigoni Hills, c. 6500 ft. east of MWD canal & 6300 ft. south of Newport Rd. [site now under water of Diamond Valley Reservoir] 488 Comment
  RSA69361  Pleuraphis rigida Verne Grant, Alva Grant 1951-4-7 15980 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 670 Comment
  RSA697729  Pleuraphis rigida J. Russell Bruff 1928-4-1 91 Riverside Mesa above Whitewater. Comment
  UC1861750  Pleuraphis rigida G. D. Wallace 1982-5-15 1994 Riverside Palms to Pines Highway, 7 level hill. Comment
  UC1979847  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 960 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  RSA472091  Pleurocoronis pluriseta N. R. Zabriskie, Walter M. Zabriskie 1972-12-30 555 Riverside Callaway Canyon, Palm Canyon, E slope San Jacinto Mts. 244 Comment
  UC126887  Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside 11 km w Coachella; Colorado Desert, Marshall Canyon 30 Comment
  UC729734  Pleurocoronis pluriseta Carl B. Wolf 1932-4-27 3045 Riverside 1 mi off Mecca-Blythe Road (lower end of Lost Palms Canyon at first rocky hills); Colorado Desert, Lost Palms Canyon 243 Comment
  UCR18637  Pleurocoronis pluriseta John C. Roos 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns. 3 mi. SE of Desert Center Comment
  UCR196892  Pleurocoronis pluriseta R. F. Thorne 1966-10-15 41784 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  UCR189287  Pluchea odorata Fred M. Roberts, S. Leatherman 2007-9-19 6586 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR201879  Pluchea odorata Justin M. Wood 2008-9-19 142 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  RSA0031444  Pluchea sericea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4427 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SEINET10941526  Pluchea sericea David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3734 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCD90508  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Palm Springs District. Colorado Desert. Murray Canyon. Comment
  SD144112  Poa howellii A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20646 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
  RSA740947  Poa pratensis Scott D. White, Justin M. Wood 2008-6-17 12186 -A Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA772017  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4953 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
  RSA772412  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4853 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
  JOTR34480  Poa secunda subsp. secunda Andre, Jim 2012-4-16 20961 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UCR43349  Polygala cornuta var. fishiae R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61187 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  UC849962  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  RSA674526  Polygonum arenastrum Scott D. White 2000-11-15 8149 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  UC599196  Polygonum argyrocoleon Frank W. Peirson 1938-4-10 12379 Riverside 1-2 mi w Blythe (in ditch on roadside) Comment
  RSA0013161  Polygonum aviculare LeRoy Gross, Caitlin Elam 2013-5-14 6061 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
  RSA289843  Polygonum hydropiperoides Barry A. Prigge 1980-9-17 4069 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  RSA316418  Polygonum lapathifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55394 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles N of Whitewater Post Office 595 Comment
  UCR4  Polypodium californicum Eugene Cardiff 1950-2-25 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 366 Comment
  SD137943  Polypogon monspeliensis Darin L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground, N of where the Arroyo Seco turns to the E Comment
  SEINET10965416  Populus fremontii David B. Dunn 1947-9-21 Dunn 3514 Riverside Pushawalla canyon. Seedlings growing in the wet sand. Comment
  SEINET4560400  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-1 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 24 Comment
  RSA613421  Porophyllum gracile D. L. Banks 1997-4-5 1670 B Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  POM12677  Potamogeton diversifolius Philip A. Munz 1922-9-6 6380 Riverside Hidden Lake 2439 Comment
  RSA191457  Potamogeton foliosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6622 Riverside 6 miles NW of Murrieta. Comment
  RSA575894  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon 329 Comment
  SD68964  Potamogeton foliosus Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37593 Riverside Santa Rosa Plateau: small stream near roadside, Rancho California 609 Comment
  CAS-BOT-BC144849  Potentilla rimicola Ralph Hoffman 1929-9-6 s.n. Riverside San Jacinto Mt. 2438 Comment
  RSA682853  Prenanthella exigua Scott D. White, Michael Honer 2003-5-13 9234 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  RSA0013895  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10062 Riverside Colorado-Mojave Desert transition, Little Maria Mountains: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. 274 Comment
  UCR261202  Prosopis glandulosa A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41711 Riverside Temescal Canyon, along Temescal Canyon Rd. a short distance west of El Hermano Rd. 313 Comment
  POM348733  Prosopis glandulosa var. torreyana Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
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Jul 5 2010
  RSA525268  Prosopis glandulosa var. torreyana Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4581 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UC65756  Prosopis pubescens E. E. Schellenger 1904-10-18 56 Riverside Dos Palmas; Colorado Desert Comment
  UC519873  Prunus fasciculata N. Dunn, A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  SD216523  Prunus fremontii Jay B. Walker, Noah C. Goldstein 1995-3-21 1266 Riverside West of Palm Desert along Highway 79, 3 kilometers east of Pinyon Flat Campground 1200 Comment
  CAS-BOT-BC293743  Psathyrotes ramosissima Mona Bourell 1987-4-14 3273 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca 150 Comment
  POM6913  Psathyrotes ramosissima P. A. Munz, Williams, Street 1919-3-28 2382 Riverside Between Palm Springs & Indio 183 Comment
  RSA472316  Psathyrotes ramosissima H. S. Gentry 2152 Riverside West side of Colorado Desert -30 Comment
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Apr 8 2011
  SEINET10842589  Psathyrotes ramosissima David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2889 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  CAS-BOT-BC356598  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2644 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  RSA736540  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SDSU13315  Pseudognaphalium biolettii Shawn Johnston, Calf. Taxonomy Class spring 2000 2000-4-1 12 Riverside Santa Margarita Ecological Reserve North end. Comment
  POM14280  Psilocarphus brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  UCR103474  Psilocarphus brevissimus D. E. Bramlet 1993-5-5 2340 Riverside Peninsular Range; Gavilan Hills, along a NE-SW access road between Olsen and Dawson Canyons, leading to the Black Rocks region; 426 m east of the El Sobrante landfill and 518 m north of Dawson Canyon 427 Comment
  CAS-BOT-BC361788  Psilocarphus brevissimus var. brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  CAS-BOT-BC361790  Psilocarphus brevissimus var. brevissimus Philip A. Munz 1941-5-18 16648 Riverside About 15 miles north-east of Temecula Comment
  UCR114739  Psilotum nudum A. C. Sanders, J. M. DiTomaso 2000-7-12 23587 Riverside San Bernardino Valley, Riverside: UCR campus, along East Campus Drive beside greenhouses at intersection with Eucalyptus Drive 335 Comment
  UCR186149  Psilotum nudum A. C. Sanders, Robert Krueger, T. B. Salvato 2006-11-8 33211 Riverside Riverside: [weed] in UCR Citrus Variety Collection, Agricultural Operations area west of Canyon Crest Dr. 311 Comment
  SD193049  Psorothamnus arborescens var. simplicifolius Scott D. White, Angelia Carey 2004-6-4 10479 A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  UC555333  Psorothamnus emoryi Curtis Ferris 1932-3-20 63 Riverside Oasis Comment
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Jun 24 2008
  JOTR32316  Psorothamnus schottii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UCR89663  Psorothamnus schottii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  UCR18979  Psorothamnus spinosus John C. Roos 1965-6-23 s.n. Riverside Coachella Valley, N of Indio 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
  SD229012  Pteridium aquilinum Dick Schwenkmeyer 2012-8-27 808 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UC21691  Pterospora andromedea H. M. Hall June, 1901 Riverside Onstatt's Valley San Jacinto Mountains 1920 Comment
  POM13039  Pterostegia drymarioides P. A. Munz, D. D. Keck 1922-4-13 4948 Riverside Eagle Mountains. 244 Comment
  UCR174383  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32557 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
  UCR278872  Pulicaria paludosa Mitch Provance 2012-8-1 812- 04 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  RSA781946  Punica granatum A. C. Sanders 1997-5-1 20615 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  RSA449651  Purshia tridentata var. glandulosa N. R. Zabriskie, W. M. Zabriskie 1972-3-30 489 Riverside Carrizo Rd. (6S03) west of Sugarloaf Mtn., south of Hwy 72., Santa Rosa Mts. 1220 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
  HSC101774  Quercus X acutidens J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13187 Riverside Along State Route 74 1227 Comment
  UCR174133  Quercus agrifolia A. C. Sanders, T. B. Salvato 2006-6-2 33083 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR209178  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37154 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR158909  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31541 Riverside San Jacinto Mtns., Bautista Canyon at confluence with Horse Creek, at entry road to Bautista Conservation Camp on main road 854 Comment
  UC64103  Quercus berberidifolia H. M. Hall 1901-8-6 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  RSA761997  Quercus chrysolepis Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 74 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC86547  Quercus cornelius-mulleri D. B. Dunn 1947-10-9 3529 Riverside Joshua Tree National Monument at campground area by Hidden Valley Comment
  HSC101769  Quercus cornelius-mulleri J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13184 Riverside Along State Route 74 1227 Comment
  UCSB1108  Quercus cornelius-mulleri Haller, John 1960-5-15 Riverside At Vandeventer Flat, 3.3 mi. E of the junc. of the road to Anza on Calif. 74 1371 Comment
  CAS-BOT-BC86541  Quercus dumosa C. H. Muller 1941-8-10 4844 Riverside San Jacinto Mts. 12 mi SE of Keen Camp Comment
  SBBG1340  Quercus palmeri M. Van Rensselaer 1946-7-10 1921 Riverside Palms to Pines Hwy near Anza Rd jct 1371 Comment
  UCR111511  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns., Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. east of Hwy 371 junction to Anza, just west of Vandeventer Flat 1463 Comment
  RSA783155  Quercus wislizeni J. D. Olmsted 1962-5-3 3501 Riverside 5 degree S slope with south population of Quercus keloggii on Thomas Mt. 1768 Comment
  UC1010264  Quercus wislizeni var. frutescens John C. Roos 1952-4-13 5518 Riverside Box Springs Mts. 518 Comment
  JOTR30996  Rafinesquia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1318 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  RSA560406  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  POM15166  Rafinesquia neomexicana Mary F. Spencer 1922-3-23 1127 Riverside Painted Canyon, Mecca, Colorado Desert -30 Comment
  RSA3968  Rafinesquia neomexicana C. B. Wolf 1932-4-29 3107 Riverside Eastern Colorado Desert, 9 miles south of Browns Well, on the Blythe-Rice Road 244 Comment
  RSA676271  Rafinesquia neomexicana Scott D. White 2001-4-3 8259 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA781614  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 81 Riverside Arica Mountains: northwest side of mountain range approximately 3.2 air miles northwest of Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 479 Comment
  SBBG50927  Rafinesquia neomexicana N. R. Zabriskie, W. Zabriskie 1973-3-4 604 Riverside Poorwill Cyn, Andreas Cyn area, Palm Cyn drainage Comment
  UC1595583  Rafinesquia neomexicana W. Wisura, J. Dolan, and C. Demme 1992-4-13 4685 Riverside Low Desert: Wileys Well Road, 2.7 mi S prison. Comment
  UC217944  Rafinesquia neomexicana P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4884 Riverside vicinity Corn Springs (Colorado Desert, Chuckwalla Mountains, Southern California); Colorado Desert, Chuckwalla Mountains 609 Comment
  CAS-BOT-BC379419  Ranunculus alismifolius var. alismellus H. M. Hall 1901-7-1 2405 Riverside San Jacinto Mountains, in meadows or along creeks of Tamarack Valley 2804 Comment
  UCR199761  Ranunculus sceleratus Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10691 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  SDSU12880  Raphanus sativus J. Jill Steinberg, Leon Steinberg 1998-4-5 38 Riverside Ca. 1/4 mile along northern border of Santa Margarita (SDSU) Field Station north of gorge. Specimen was taken from a large patch of plants most of which were tamped down, perhaps by a deer or other large animal. 317 Comment
  UCR96039  Rhamnus alaternus A. C. Sanders 1996-3-14 17972 Riverside Riverside: UCR Campus, east of Health Services along dry arroyo 335 Comment
  RSA585623  Rhamnus crocea D. L. Banks, S. D. Boyd 1995-3-15 58 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  RSA785511  Rhamnus crocea Doris Bowers 1972-4-15 1852 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  UCR281474  Rhamnus crocea Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 95 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  UCD112333  Rhamnus ilicifolia Ted C. MacRae 1995-5-25 41 e Riverside 2.4 miles NE of Pinyon Flats on Highway 74, Santa Rosa Mountains. 1219 Comment
  UC592932  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1932-8-6 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  POM320387  Rhododendron occidentale Anonymous 1968-11-3 s.n. Riverside Fulmor Lake, San Jacinto Mountains Comment
  UCSB26759  Rhododendron occidentale Wilken, Dieter 1969-6-30 Riverside Black Canyon, along County Road R1, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  UCR154729  Rhus aromatica T. B. Salvato, Kent Beaman 2005-5-16 770 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
  UCR527  Rhus aromatica Eugene Cardiff, Ken Smith 1954-4-5 s.n. Riverside Upper Santa Ana River/San Bernardino Valley, Jurupa Mountains, northwest of Riverside 671 Comment
  UCR96912  Rhus laurina G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, west of Arnold Heights & west of the highway 470 Comment
  CAS-BOT-BC167971  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 miles east of Pinyon Flat, Santa Rosa Mts. 1066 Comment
  RSA613899  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  UCR90388  Ribes amarum D. L. Banks, Steve Boyd 1995-2-16 0049 Riverside Peninsular Range; Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area: N slope of Agua Tibia Mtn, south of the Dripping Springs Alcove, east of the Woodchuck Trail 829 Comment
  CAS-BOT-BC92416  Ribes aureum var. gracillimum L. A. Greata 1908-4-6 6894 Riverside Eden Hot Springs 10 miles north of San Jacinto. Comment
  CAS-BOT-BC108723  Ribes cereum S. B. Parish; W. F. Parish 1880-8-1 494 Riverside San Jacinto Mountains. 2438 Comment
  SD67910  Ribes cereum Reid Moran 1968-8-3 15352 Riverside Occasional on northeast slope, ridge 1.0 mile northwest of Toro Peak. 2250 Comment
  UC11510  Ribes cereum H. M. Hall July, 1901 2353 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  UCR110988  Ribes cereum var. cereum George K. Helmkamp 1998-6-27 4127 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  CAS-BOT-BC173139  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  RSA439668  Ribes indecorum J. D. Olmsted 1962-5-10 3637 Riverside Sky Ranch, S Divide TT, near SE end of Elsinore, Santa Ana Mtns. 945 Comment
  SBBG104048  Ribes indecorum S. D. White 1992-3-29 92 -55 Riverside Millard cyn, slope below fork with E Millard Cyn Rd Comment
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Sep 8 2014
  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
  POM12115  Ribes nevadense Mary F. Spencer 1921-6-1 706 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
  RSA476213  Ribes nevadense N. C. Cooper 1944-6-17 2009 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UCR5949  Ribes nevadense Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., above top of main waterfall a mile upstream from Banning-Idyllwild road on Fuller Mill Creek 1829 Comment
  UCR107768  Robinia pseudoacacia D. L. Banks, E. H. Banks, Dawn Rodriguez, Edward Rodriguez 1997-6-20 2169 Riverside NW Palomar Mtns., Agua Tibia Mountains, west of Vail Lake at the intersection of Pauba Road and Los Caballos Road 372 Comment
  RSA342004  Robinia pseudoacacia Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54110 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  SD229264  Rosa californica Dick Schwenkmeyer 2012-6-27 745 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA450256  Rubus parviflorus J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  RSA761751  Rubus parviflorus Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 645 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR180047  Rumex crispus Mitch Provance 2005-5-18 9808 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  CAS-BOT-BC433586  Rumex hymenosepalus A. C. Sanders; Pam MacKay; E. J. Lawlor; C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area: Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Dia Val. Reservoir, now filling. 488 Comment
  OBI37541  Rumex salicifolius Steve Boyd 1985-7-23 1015 Riverside De Luz Rd, 8 mi W of Rancho California; In Sandia Crk 305 Comment
  RSA180482  Rumex salicifolius E. W. Lathrop 1960-5-27 5218 Riverside 6 miles west of Murrieta. Comment
  UCR154377  Rumex salicifolius A. C. Sanders, Mike Misenhelter 2005-6-15 30955 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CLARK-A1528-3968  Ruta graveolens John C. Roos 1950-4-22 4749 Riverside Reche Canyon 457 Comment
  SJSU204  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside 243 Comment
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Mar 26 2011
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  CAS-BOT-BC108144  Salix gooddingii D. B. Dunn; H. Brown; E. McClintock 1947-3-15 2868 Riverside Pushawalla Canyon, Indio Hills Comment
  CAS-BOT-BC108150  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside Along small stream, north of Elsinore. 304 Comment
  CAS-BOT-BC140663  Salix gooddingii A. C. Sanders; T. B. Salvato 2011-3-30 38889 Riverside Peninsular Range; Elsinore Trough: city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 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
  UCR89775  Salix gooddingii Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  JOTR36478  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3183 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UCR139630  Salix laevigata A. C. Sanders 2004-6-30 28399 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
  UCR17443  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-2-13 334 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' up from Zabriskie-335, immediately below Andreas Canyon Clubhouse, Andreas Canyon, E slope of mountains Comment
  UCR17463  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-4-24 392 Riverside Santa Rosa Mtns, Deep Canyon, N slope of mountains 1317 Comment
  UCR132419  Salix lasiolepis A. C. Sanders 2004-2-6 27381 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  CDA21321  Salsola australis L. Smith 2004-8-17 s.n. Riverside South Coast Region; Corner of Iowa St. and Martin Luther King Blvd., Riverside. 303 Comment
  CDA23465  Salsola australis R. E. Riefner Jr. 2007-1-31 Jul- 32 Riverside City of Temecula, along Highway 79 at Bedford Court; east on block from I-5 Freeway. Comment
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Nov 27 2013
  UCR109570  Salsola paulsenii R. D. Goeden, Don W. Ricker 1979-3-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  SEINET3090659 Image available Salsola tragus Steve Morgan 1974-5-20 161 Riverside Los Angeles. 7417 Variel Ave., Canoga Park, San Fernando Valley. Comment
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Nov 8 2015
  RSA606303  Saltugilia australis Jon E. Keeley 1994-4-22 25338 Riverside Shipley Reserve. 590 Comment
  RSA0094965  Saltugilia australis F. W. Peirson 1928-4-19 7841 Riverside Hills north of Elsinore. 457 Comment
  RSA0120307  Saltugilia latimeri Duncan S. Bell 2016-4-16 9320 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA357771  Saltugilia splendens R. F. Thorne, M. Z. Thorne 1973-3-30 42669 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA761155  Saltugilia splendens subsp. splendens Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 686 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1080318  Saltugilia splendens subsp. splendens P. C. Everett and E. K. Balls 1958-5-4 23083 Riverside Morongo Canyon 670 Comment
  RSA257046  Salvia apiana W. Pequegnat 1940-5-17 s.n. Riverside Bedford Truck Trail, Santa Ana Mountains. 427 Comment
  UCR140739  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  CLARK-A1528-591  Salvia carduacea Charlotte Stocks 1962-5-3 Riverside Anza Comment
  RSA401510A  Salvia columbariae Jeannette B. Edge 1934-3-25 s.n. Riverside Jurupa Mountains 549 Comment
  RSA651680  Salvia columbariae G. Foster 1961-5-12 s.n. Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  UC404039  Salvia columbariae Dr. D. P. Barrows before Aug., 1898 30 Riverside Cahuilla Indians Comment
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Sep 23 2009
  UCD125738  Salvia columbariae Evert I. Schlinger 1952-3-28 27 Riverside Perris. 443 Comment
  UCR174387  Salvia columbariae A. C. Sanders 2006-5-19 32413 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR20766  Salvia columbariae A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1315 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR226056  Salvia columbariae A. C. Sanders, Nathan Moorhatch 2011-3-22 38773 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  POM229037  Salvia eremostachya P. A. Munz 1937-5-30 15109 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  UCSB5789  Salvia eremostachya Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats Comment
  SD58389  Salvia greatae Marjorie D. Clary 1938-4-17 2844 Riverside Bajada at base of Orocopia Mountains, north of the Salton Sea. 244 Comment
  CAS-BOT-BC229986  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Peninsular Ranges; Santa Ana Mtns.: Cleveland National Forest along CA Hwy 74; San Juan Loop Trail head 598 Comment
  UCLA69959  Salvia mellifera L. Haines and L. Erickson 1937-4-9 Riverside near Winchester turn-off (Riverside to Hemet road) Comment
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Mar 20 2011
  UC575070  Salvia mohavensis C. Epling and Wm. Robison 1933-6-27 Riverside 5 mi s Gold Coin Mine; Little San Bernardino Mts. Comment
  SBBG71169  Salvia pachyphylla M. D. Clary 1929-10-17 Riverside W slope, Santa Rosa Mtns 1828 Comment
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Nov 9 2011
  UC534831  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside near Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  UCR86855  Salvia vaseyi A. C. Sanders, K. C. Rose 1995-4-27 16736 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  CAS-BOT-BC414253  Salvinia minima R. E. Riefner, Jr. 2011-10-16 11 -142 Riverside City of Lake Elsinore, W of Hwy. 74, S side of Temescal Wash, ca. 0.2 mi N of Baker St., vicinity of Bromley Ave. and Baker St. 382 Comment
  CLARK-A1528-379  Sambucus caerulea John C. Roos, Lucille Roos 1951-10-24 5341 Riverside Pedley 243 Comment
  CLARK-A1703-1244  Sambucus caerulea Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  RSA765048  Sambucus mexicana Doris Bowers 1972-4-15 1853 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  UCR101320  Sambucus mexicana A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22220 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR155310  Sambucus mexicana A. C. Sanders 2005-5-4 29853 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  CAS-BOT-BC238857  Sambucus nigra subsp. caerulea B. Pitzer 1997-4-1 3053 Riverside Lakeview Mtns, ca. .75 air mi. SSW of Mt. Rudolph, ca. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SD234255  Sambucus nigra subsp. caerulea Wayne Law, Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Firest, above Temescal Valley in Indian Canyon, 11.8 mi. S of Corona (Aberhill 7.5' Q) 395 Comment
  RSA180288  Samolus parviflorus E. W. Lathrop 1964-9-13 5409 Riverside 8 miles west of Murrieta Comment
  POM305803  Sanicula arguta Henry J. Ramsey, Henry J. Ramsey 1937-4-2 I- 56 Riverside Elsinore. Comment
  POM307780  Sanicula arguta Henry J. Ramsey, Henry J. Ramsey 1938-3-26 255 -I Riverside Corona-Elsinore Road. Comment
  SEINET273147  Sanicula bipinnatifida A. C. Sanders 1997-3-26 20137 Riverside Lake Skinner Area; large clay patch adjacent to the Skinner entrance rd ca 1 km NE of Borel Rd. UTM 10km cell; MH-9E 473 Comment
  UCR214902  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37682 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  RSA614418  Sanicula crassicaulis D. L. Banks 1997-3-16 1551 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
  UCR34990  Sanicula tuberosa L. B. Ziegler 1975-5-1 541 Riverside San Jacinto Mtns, Bautista Canyon 703 Comment
  RSA489841  Sarcodes sanguinea D. Charlton 1988-5-28 2125 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UCR140892  Sarcostemma cynanchoides subsp. hartwegii Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  UCR178513  Sarcostemma cynanchoides subsp. hartwegii R. G. Swinney 1967-2-12 0022 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR101564  Sarcostemma hirtellum Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR72191  Sarcostemma hirtellum Theo Glenn 1991-5-2 91- 125 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  RSA753935  Schinus molle W. Schlegel, Andrew Trouette 2008-10-10 25 Riverside Snow Creek Cabin Parcel Comment
  RSA645545  Schinus polygamus A. C. Sanders, G. Helmkamp 1995-12-5 17930 Riverside Riverside: abandoned orange orchard on Spruce St. at Canyon Crest Dr. 300 Comment
  RSA703367  Schismus arabicus LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1444 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33?37'32N, 115?19'35W: UTM 3721895N, 655238E to 33?36'52N, 115?19'54: UTM 3720669N, 654757E. 480 Comment
  RSA778242  Schismus arabicus Duncan S. Bell 2009-3-8 47 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA781198  Schismus arabicus A. C. Sanders 2010-3-25 37629 Riverside northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  CAS-BOT-BC243459  Schismus barbatus Baker 1954-4-13 s.n. Riverside San Gorgnio Pass 365 Comment
  RSA406333  Schismus barbatus Christopher Davidson 1973-4-1 1799 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA776627  Schismus barbatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 941 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SD216459  Schismus barbatus Carol R. Annable 1995-3-10 2265 Riverside 1.6 kilometers south of Lake Cahiulla County Park. Comment
  UCR182513  Schoenoplectus Mitch Provance 2005-5-17 6597 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR163233  Schoenoplectus acutus var. occidentalis D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  SDSU13638  Schoenoplectus californicus W. Miller 1972-8-24 Riverside Comment
  UCR77690  Schoenoplectus saximontanus Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6338 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  UC489282  Scirpus americanus C. V. Meyer 1928-8-2 625 Riverside Temecula Comment
  CAS-BOT-BC111021  Scirpus microcarpus M. F. Spencer 1919-6-28 1234 Riverside San Jacinto Mt., Idyllwild. 1645 Comment
  UCR76064  Scrophularia californica B. G. Pitzer, Stu Hemstreet 1992-5-21 1944 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  RSA192103  Scrophularia californica subsp. floribunda E. W. Lathrop 1960-6-8 4931 Riverside 14 miles west of Murrieta Comment
  RSA425207  Scrophularia californica subsp. floribunda Christopher Davidson 1977-5-18 5615 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UC76439  Scrophularia californica subsp. floribunda Miss M. Alice King May, 1893 Riverside Box Springs Comment
  UCR193486  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35606 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  LA54496  Scutellaria mexicana Flora Murray Scott; 1928-4-1 sn Riverside Whitewater 1828 Comment
  UCR24917  Scutellaria siphocampyloides A. C. Sanders 1980-7-18 1665 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UCR23621  Scutellaria tuberosa John C. Roos 1950-4-15 4734 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  UCR169870  Sedum spathulifolium Dave Goodward 2004-1 s.n. Riverside San Jacinto Mtns., mouth of narrow side canyon off South Fork San Jacinto River 1159 Comment
  SDSU7434  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 99 Comment
  UCR113155  Selaginella bigelovii A. C. Sanders 1998-1-15 21648 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  LA209669  Selaginella eremophila Lawrence L. Kiefer; 1964-3-1 1255 Riverside San Jacinto Mountains, Palm Canyon, above the parking lot 457 Comment
  SEINET2054637 Image available Senecio californicus Dave Hawks 1986-4-16 Riverside Alta Mesa wind turbine field, on the ridge abvove Whitewater Canyon, W of Bonnie Berll. (Whitewater UTM 10 km cell: NH-N5, E3) Comment
  SEINET6659394  Senecio californicus Steve Boyd, Dave Bramlet 1990-4-29 4495 Riverside Lake Skinner County Park, SE base of Bachelor Mtn.; 0 Comment
  UCR123225  Senecio californicus D. E. Bramlet 1993-4-15 2329 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 335 m north of Cajalco Road, 1.2 km west of the entrance gate and 152 m south of the access road 439 Comment
  RSA38272  Senecio douglasii var. monoensis P. A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1037 Comment
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Jul 9 2012
  CAS-BOT-BC323992  Senecio flaccidus var. douglasii Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at N base of Santa Rosa Mts. 1036 Comment
  UCR7929  Senecio flaccidus var. douglasii James J. Sims 1968-9-8 s.n. Riverside San Bernardino Valley Region, Box Springs Mtns, 8081 Reche Canyon Road 549 Comment
  JOTR32040  Senna armata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2270 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  SEINET7347857  Senna armata H. M. Hall 5843 Riverside Colorado Desert, Canon Springs Comment
  RSA588598  Sesuvium verrucosum D. L. Banks, S. D. Boyd 1995-12-17 809 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR250887  Sesuvium verrucosum S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1.2 mi. SE of Mecca at intersection of 68th St. and Johnson Ave. -60 Comment
  CLARK-A1528-5039  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside Riverside 304 Comment
  RSA559453  Sidalcea malviflora Steve Boyd, T. S. Ross 1992-5-5 7215 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA162828  Sidalcea oregana subsp. spicata J. D. Olmsted 1959-6-23 677 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  SDSU14281  Sidalcea sparsifolia Ryan Jacobson, Jeremy Mass 2000-4-19 6 Riverside Santa Margarita Ecological Reserve. Near the banks of Stone Creek, approximately 0.5 mile east of the south-side facility. 177 Comment
  CAS-BOT-BC386893  Silene gallica E. W. Lathrop 1960-4-15 4751 Riverside 14 miles west of Murrieta 609 Comment
  SDSU13644  Silene laciniata subsp. laciniata W. Miller, C. Mosse 1972-7-11 Riverside On path under oak east of rock slide (150 yards from road by dam). Comment
  RSA525250  Silene multinervia Steve Boyd, Timothy S. Ross 1990-5-11 4628 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  CAS-BOT-BC389584  Silene parishii P. A. Munz; E. K. Balls 1952-8-21 17977 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  UC64149  Silene parishii H. M. Hall July, 1901 2549 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2194 Comment
  UCD99022  Silene parishii Reid Moran 1968-8-3 15369 Riverside north slope 1 mile west of summit, Santa Rosa Mountain. 2150 Comment
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Apr 27 2012
  POM12909  Silene parishii var. viscida P. A. Munz 1922-6-28 5867 Riverside Peak west of Toro Peak 2470 Comment
  POM12851  Silene verecunda subsp. platyota P. A. Munz 1922-6-27 5844 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA575854  Silybum marianum Steve Boyd 1980-4-23 s.n. Riverside Glen Avon, ruderal field at Jurupa Road and Galena Avenue Comment
  CAS-BOT-BC202945  Simmondsia chinensis Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC202953  Simmondsia chinensis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 277 Riverside Along trail, 50' south of Andreas stream, opposite mouth of North Canyon. Andreas Canyon, near Palm Springs 365 Comment
  JOTR30108  Simmondsia chinensis La Doux, Tasha, Bill Truesdell 2008-3-18 1672 Riverside Joshua Tree National Park. Stop 2 = Rattlesnake Cayon Wash near bouldery outcrops 892 Comment
  JOTR30629  Simmondsia chinensis Andre, Jim, Tasha La Doux 2008-3-21 8834 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  RSA232961  Simmondsia chinensis D. A. Young 1969-3-28 P- 300 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  RSA339241  Simmondsia chinensis Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53574 Riverside Joshua Tree National Monument: Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  RSA421791  Simmondsia chinensis Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA721891  Simmondsia chinensis J. Mark Porter, Orlando Mistretta 2003-6-5 13612 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  UCR89656  Simmondsia chinensis Bern Schwenn 1994-3-23 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Hexie Mtns: E side of Pleasant Valley on south side of Mtns, along road between Hershey Mill Site and El Dorado Mine 976 Comment
  UCR162404  Sisymbrium altissimum S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  RSA162712  Sisymbrium altissimum J. Olmstead 1959-6-23 659 Riverside Desert Sun School near Idyllwild. 1646 Comment
  UCR264743  Sisymbrium erysimoides Steve Boyd, Carol Boyd 2011-3-15 12302 Riverside Peninsular Ranges, Santa Rosa Mountains, Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon 152 Comment
  UCR166150  Sisymbrium orientale T. B. Salvato, John F. Green 2004-5-27 554 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA728150  Sisyrinchium bellum Daphne K. Christopher, Hannah Stevens 2003-4-8 121 Riverside Santa Rosa Plateau Nature Conservancy Preserve. 556 Comment
  POM319104  Solanum americanum Patricia Wilder 1970-10-15 4754 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment