Search Results — 2000 specimen records retrieved (1905 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229325  Abronia villosa Alice Eastwood 1913-4-30 3111 Riverside Palm Springs Comment
  CAS-BOT-BC229363  Abronia villosa R. H. Peebles; H. F. Loomis 1930-4-1 200 Riverside Mecca Comment
  SBBG69827  Abronia villosa R. Hoffmann 1929-9-4 Riverside Hemet, San Jacinto River Comment
  UCR166002  Abronia villosa Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  POM123198  Abronia villosa var. aurita Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA782341  Abronia villosa var. aurita Jim Andre, G. L. Clifton 2011-2-22 17473 Riverside Coachella Valley; N Palm Springs approx. 0.3 mile north of Hwy. 111, vacant lot at corner of San Rafael and Virginia Street. 189 Comment
  UCR12006  Abronia villosa var. aurita Coleta A. Lawler 1968-8-18 251 Riverside San Jacinto Mtns., Hwy 74, just south of junction with road leading to Lake Hemet 1311 Comment
  UCR228628  Abronia villosa var. villosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 155 Riverside Sonoran (Colorado) Desert, north of Hwy I-10, c.1.5 mi up Corn Springs Road 213 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
  CDA33575  Acacia greggii Mike Lahti 2010-5-3 PDR# 1358701 Riverside Palm Desert off Hwy 74. Comment
  UCR94063  Acacia greggii Scott D. White, D. Haselfeld 1996-7-2 4272 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
  POM41109  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM161531  Acer glabrum var. diffusum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. Comment
  RSA761158  Achillea millefolium Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 689 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA179521  Achnatherum coronatum E. W. Lathrop 1959-5-17 4561 Riverside 14 miles west of Murrieta, Redonda Mesa Comment
Read comments
Apr 28 2011
  RSA494351  Achnatherum coronatum Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  SBBG56982  Achnatherum hymenoides M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  CAS-BOT-BC216887  Achnatherum occidentale Ralph Hoffman 1929-9-6 s.n. Riverside Tahquitz Peak, Mount San Jacinto [San Jacinto Mountains] 2438 Comment
  RSA770778  Achnatherum speciosum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4616 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1133244  Achnatherum speciosum A. Lewis 1933-4-2 181 Riverside San Jacinto quadrangle Comment
  POM183975  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  RSA503144  Achyronychia cooperi Gary D. Wallace, D. H. Wilken 1966-3-26 261 Riverside Indio Hills 70 Comment
  UCR141141  Achyronychia cooperi June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  UCD103976  Acmispon argophyllus B. Pitzer; A. C. Sanders 1987-4-21 498 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  CAS-BOT-BC213416  Acmispon argophyllus var. argophyllus Lester Rowntree 1937-11-1 s.n. Riverside Nigger Grade [Nate Harrison Grade], W. side of Palomar Mt. Comment
  JOTR31171  Acmispon glaber var. brevialatus La Doux, Tasha 2009-6-3 1874 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  SDSU13585  Acmispon glaber var. brevialatus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA0117927  Acmispon rigidus Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7635 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  OBI52764  Acmispon strigosus Steve Myers 1988-2-4 s.n. Riverside Northgate Estates dev, immed NW of Cyn Lake T5S R4W SE1/4, sec 27 488 Comment
  SBBG68085  Acmispon strigosus M. N. Ackley -Feb-1926 543 Riverside near Edom 64 Comment
  UCSB41277  Acmispon strigosus Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km) W on Hwy. 74 from jct. with 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  UCR224047  Acroptilon repens Justin M. Wood 2009-11-30 1387 Riverside Southwest Perris Basin, Temecula, Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  UCR270746  Adenostoma fasciculatum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8362 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA615330  Adenostoma fasciculatum var. fasciculatum Scott D. White 1997-5-25 5245 -a Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  CAS-BOT-BC139872  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside Twin Pines Area: Just N of Twin Pines Rd, ca. 1/2 air mile W of Twin Pines Ranch 1150 Comment
  RSA453184  Adenostoma sparsifolium H. de Forest 1932-8-24 s.n. Riverside West side of San Jacinto Valley. Comment
  RSA679175  Adenostoma sparsifolium Richard L. Zembal 2003-7-11 5962 Riverside Santa Ana Mtns.: Just east of Bear Creek, 0.5km Upper San Juan Campground. On gentle ridge with north-facing aspect 668 Comment
  UC12019  Adenostoma sparsifolium H. M. Hall July 1901 Riverside e. end Tahquitz Valley; San Jacinto Mts. 1828 Comment
  UCR95944  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  RSA0034426  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road 1372 Comment
  CAS-BOT-BC295628  Agnorhiza ovata H. M. Hall 1901-6-1 2170 Riverside San Jacinto Mountains. Thomas Valley 1371 Comment
  UC63089  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 Riverside in meadows of Thomas Valley; San Jacinto Mountains 1371 Comment
  UCSB6321  Agoseris retrorsa Keator, Glenn 1948-7-3 Riverside Hall Canyon, San Jacinto Mts. 1706 Comment
  RSA762008  Agrostis Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 660 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR268274  Agrostis Jim Andre 2012-6-15 30520 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  UCR195140  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35927 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  LA10260  Agrostis stolonifera F. M. Reed; 1906-7-5 1124 Riverside roadside in Riverside, Vicinity Comment
Read comments
Feb 23 2014
  UCR57207  Agrostis viridis Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  RSA267968  Ailanthus altissima E. W. Lathrop 1977-5-19 7681 Riverside Base of Sierra, facing Santa Ana Canyon, 1 mi. NE Coal Canyon. 168 Comment
  POM46837  Allenrolfea occidentalis Mary F. Spencer 1920-3-16 s.n. Riverside Mecca -60 Comment
  SBBG72628  Allenrolfea occidentalis M. N. Ackley -Mar-1927 421 Riverside Salton Sea -76 Comment
  RSA550335  Allionia incarnata Walter Wisura, John Dolan, M. Wall 1992-3-25 4653 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  SEINET3884728  Allium haematochiton Steve Boyd, Aydee Virgen 2004-4-13 10859 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon.; 0 Comment
  RSA366475  Allium munzii B. C. Templeton, I. W. Clokey, C. B. Clokey 1930-4-15 1477 Riverside Near Gavilan Peak w. of Perris 400 Comment
  SBBG122759  Allium munzii A. Parikh 1990-4-23 153 Riverside E of Gavilan Pk, S of Harford Sprinkg Co Park, 0.1 km S of Ida Leona Rd, 0.9 km E of Gavilan Rd 625 Comment
  UCR139245  Allium parryi A. C. Sanders, Kate Kramer 2003-6-11 26877 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  RSA495447  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2975 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA70238  Allium peninsulare F. W. Peirson 1930-5-10 8773 Riverside St. Johns Grade. south of Hemet 610 Comment
  RSA614533  Allophyllum divaricatum A. C. Sanders, Pamela J. MacKay, Tim Thomas, O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  UC1075822  Allophyllum glutinosum Verne Grant 1955-5-17 9597 Riverside crest of Santa Ana Mts. (near Hwy. 74); Riverside-Orange Co., Santa Ana Mts. 810 Comment
  HSC82841  Amaranthus arenicola A. C. Sanders 1985-8-24 5949 Riverside Near Oasis in the lower Coachella Valley, on the E side of Hwy. 195, ca. 0.5 mi. N of the intersection with Hwy. 86 and just N of Ave. 76 -52 Comment
  RSA0112041  Amaranthus blitoides A. C. Sanders, Jose Aguiar 2012-12-19 40532 Riverside Sonoran (Colorado) Desert: Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal. -8 Comment
  RSA191450  Amaranthus californicus E. W. Lathrop, Robert F. Thorne 1967-9-26 6666 Riverside 6 miles NW of Murrieta. 610 Comment
  UCR272653  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7573 Riverside along Eagle Mountain Road north of Hwy I-10, at large wash crossin west of Desert Center, western Chuckwalla Valley Comment
  UCR54448  Amaranthus fimbriatus A. C. Sanders, E. J. Lawlor 1988-10-22 08723 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA338589  Amaranthus palmeri A. C. Sanders 1985-8-24 5949 Riverside Near oasis in lower Coachella Valley. On E side of Hwy 195, ca 0.5 mi N of intersection with Hwy 86 and just N of Ave 77. -52 Comment
  UC170095  Amaranthus palmeri E. E. Schellenger 1894-8-6 84 Riverside Sanch Ranch Colorado Desert Comment
Read comments
Aug 8 2010
  GMDRC3498  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along Bell Mtn Rd, atop Bell Mtn appox 0.3 mi. N. of radio tower. Queen Mountain USGS 7.5 min quad 34 deg. .35' N 116 deg. .017' W. Elev. 4458 ft. 1359 Comment
  UCSB45946  Ambrosia acanthicarpa Roos, John 1965-9-26 Riverside Hemet Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC22616  Ambrosia dumosa Ira L. Wiggins 1941-3-24 9575 Riverside Along eastern side of the Salton Sea, 2.7 miles S of Mortmar Comment
  NY43445  Ambrosia dumosa C. R. Annable 1995-3-10 2261 Riverside 1.6km S of Lake Cahuilla County Park Comment
  RSA302651  Ambrosia dumosa J. R. Shevock 1972-3-13 1403 Riverside Hwy 111, near Palm Springs 183 Comment
  RSA416965  Ambrosia dumosa Christopher Davidson 1979-4-4 7687 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UC1979837  Ambrosia dumosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 946 Riverside Mojave Desert; East Mojave Desert region: Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains. Comment
  UCR238483  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 162 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak 213 Comment
  RSA450767  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  RSA735229  Ambrosia psilostachya Scott D. White, Angelia Carey 2004-6-4 10478 -B Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  SDSU12970  Ambrosia psilostachya Michael G. Simpson 1999-10-27 2038 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 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
  UCR167870  Ambrosia pumila T. B. Salvato, Melissa Clemons 2005-6-2 1401 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
  SDSU1709  Ambrosia salsola Marjorie Collier 1951-3-25 9145 Riverside Palm Canyon, 5 miles south of Palm Springs. Comment
  UC576463  Ambrosia salsola Edith A. Purer 1935-4-19 6360 Riverside along old stage route, Colorado Desert Colorado Desert Comment
  UC724134  Ambrosia salsola Aven and Ruth Nelson 1939-3-30 3346 Riverside between Mecca and Blythe (old highway) Comment
  UCR213431  Ambrosia salsola A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37434 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR251670  Ambrosia salsola Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SEINET10797874  Ambrosia salsola David B. Dunn 1946-3-15 Dunn 2018 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA783163  Amelanchier pallida J. D. Olmsted 1962-5-3 3515 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  RSA653661  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr., [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  SEINET5789314 Image available Amorpha californica A. E. Grable 1976-7-4 6451 Riverside Santa Rosa Mtns. Rd. near Mtn. Home Spring. SW-facing slope, open chapparal hillside. T7S S28 NE1/4 SW 1/4 Comment
  UC489201  Amorpha californica var. californica C. V. Meyer 1928-7-27 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  CAS-BOT-BC177262  Amorpha fruticosa H. M. Hall 1901-6-1 2121 Riverside Eastern base, along the borders of the Colorado Desert Comment
  SDSU12999  Amorpha fruticosa Michael G. Simpson 1999-10-27 2029 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SDSU14030  Amorpha fruticosa Kristin Andrade, Mike Simpson 2002-4-20 14 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 235 Comment
  SEINET12519191  Amsinckia douglasiana Rea Raymond 1962-1 269 Riverside 3 mi. N of Elsinore on State Highway #91. Santa Ana Mts. Comment
  SEINET7073333  Amsinckia intermedia A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR241216  Amsinckia intermedia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 46 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  UCR41534  Amsinckia intermedia A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6050 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCSB40909  Amsinckia intermedia Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  UCR100044  Amsinckia menziesii var. menziesii Scott D. White 1993-3-3 1092 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR112968  Amsinckia tessellata B. G. Pitzer, T. Tennant 1998-2-21 3535 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  RSA585816  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-9 351 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
  CAS-BOT-BC137843  Andropogon glomeratus var. glomeratus W. R. Dudley 1903-12-26 s.n. Riverside Near Warm Springs Palm Canyon. Comment
  RSA667099  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside: abandoned orange orchard north of 1012 Spruce St. 305 Comment
  UCR111741  Anthemis cotula S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  UCR34896  Anthemis cotula L. B. Ziegler 1967-11-7 262 Riverside San Jacinto Mtns., Poppet Flats area 1070 Comment
  CLARK-A1045-120  Antirrhinum filipes George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA425812  Antirrhinum filipes Christopher Davidson, J. Jones 1980-4-4 9944 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
Read comments
Sep 17 2011
  POM96988  Antirrhinum kelloggii Philip A. Munz 1926-5-2 10423 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  CLARK-A1528-4165  Antirrhinum nuttallianum John C. Roos 1937-5-2 1398 Riverside La Sierra Comment
  UCR114836  Antirrhinum nuttallianum Mitch Provance 1998-2-17 62 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR91648  Antirrhinum nuttallianum subsp. nuttallianum Steve Boyd 1995-4-24 8488 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near the NE corner of the Wilderness 671 Comment
  UCR99157  Apiastrum angustifolium A. C. Sanders, G. Helmkamp 1997-3-15 19994 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  CLARK-A1528-3846  Aquilegia formosa var. truncata John C. Roos 1942-6-20 1280 Riverside San Jacinto Mountains Comment
  UCR239803  Arabidopsis thaliana O. F. Clarke 2005-1-8 s.n. Riverside Peninsular Range, Riverside, UCR campus, planter area across driveway from Batchelor Hall loading dock 334 Comment
  UCR193890  Arabis glabra A. C. Sanders, Mitch Provance 2008-7-11 35821 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
  RSA66252  Arabis johnstonii F. W. Peirson 1922-5-21 3030 Riverside Along east side of Hemet Valley 1357 Comment
  RSA482604  Arabis perennans E. C. Jaeger 1922-6-29 s.n Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  UCR54248  Arabis pulchra David Charlton 1988-5-21 1930 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UC1078932  Arceuthobium campylopodum Job Kuijt 1958-3-14 1497 Riverside 0.6 mi se Keen Camp Summit (Hwy 74); San Bernardino Mtns Comment
  RSA629134  Arctostaphylos Jon E. Keeley 1992-7-16 16568 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629355  Arctostaphylos glandulosa Jon E. Keeley 1992-6-1 15539 Riverside Road to Elsinore Pk., 1/2 km south of Elsinore Pk. 1000 Comment
  RSA629401  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19520 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629434  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16853 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  CLARK-A1528-448  Arctostaphylos glandulosa subsp. glandulosa Shirley Hill 1963-3-31 630331-7 Riverside San Jacinto Mountains 1219 Comment
  SD136856  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-4 7208 Riverside Southern Santa Aana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR273487  Arctostaphylos glandulosa subsp. leucophylla A. C. Sanders, Glen Morrison 2016-8-4 42615 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  POM254922  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Southwest Santiago Peak, Santa Ana Mts. 1735 Comment
  RSA631759  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15065 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631773  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16546 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  RSA631821  Arctostaphylos glauca Jon E. Keeley 1992-7-12 15533 Riverside Road to Elsinore Peak, 5 km south of Highway 74, Santa Ana Mountains. Comment
  RSA631846  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20175 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 3 km south of Pinyon Pines, Santa Rosa Mountains. 1350 Comment
  RSA631850  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16518 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  UCR167779  Arctostaphylos glauca Richard Minnich 2002-10-28 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns; SE of VABM Inspiration; near the second peak (c. 0.4 mi) NW of Salton View (Keys View) Parking Lot 1677 Comment
  UCR280977  Arctostaphylos glauca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 73 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR91612  Arctostaphylos glauca D. L. Banks, Steve Boyd 1995-3-30 121 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 707 Comment
  RSA633523  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22512 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633591  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22527 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633624  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16698 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633635  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20158 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633752  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21787 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  CAS-BOT-BC46551  Arctostaphylos patula Carl B. Wolf 1932-8-5 3988 Riverside San Jacinto Mts. Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  POM49832  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-29 8855 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA635645  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16608 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  RSA635692  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16596 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  CSUSB1396  Arctostaphylos pringlei var. drupacea Markell Kohn 1959-4-19 Riverside On Banning- Idllywild Road, 2.8 miles north (below) of Grande Vista Ranger Station. Comment
  JEPS48072  Arctostaphylos pungens Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4262 Riverside 1 mi se Toro Peak Ridge; Santa Rosa Mts. 2286 Comment
  UCSB4762  Arctostaphylos pungens Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA636001  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19543 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UCR84602  Arenaria douglasii Scott D. White, S. Ogg 1994-4-21 1951 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JOTR31158  Arenaria macradenia var. macradenia La Doux, Tasha 2009-6-3 1866 Riverside Joshua Tree National Park. (Stop 4): Little San Bernardino Mountains, Covington Flats Area, gravelly slopes below peak 1511 Comment
  UC1040949  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-6-24 2170 Riverside 1 mi w of Radec 516 Comment
  CAS-BOT-BC137663  Aristida adscensionis Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah J. DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11231 Riverside Colorado Desert. Chocolate-Chuckawala Mountains Region. Western base of the Chocolate Mountains, small canyon ca. 1.25 mile 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 Comment
  LA9309  Aristida adscensionis Louis C. Wheeler; 1931-11-26 373 Riverside Salton Bench Mark -15 Comment
  RSA777397  Aristida adscensionis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 787 Riverside Mecca Hills, just south of Shaver's Well 305 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
  SD215339  Aristida adscensionis W. Wasura, J. Dolan and M. Wall 1992-3-25 4651 Riverside Lowdesert: 2.7 miles South of prison on Wileys Well Road. Comment
  UC165056  Aristida adscensionis S. B. Parish 1912-6-28 8122 Riverside mouth of canyon near Mecca; Colorado Desert, Red Canyon Comment
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Nov 24 2011
  UCR256798  Aristida adscensionis T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7874 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCR251723  Aristida californica Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 60 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  SEINET239055  Aristida divaricata A. C. Sanders, S. D. Boyd; Mitch Provance J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern) 1 mile. NW of Hwy 371 junction to Anza (Butterfl 1441 Comment
  CAS-BOT-BC137512  Aristida purpurea var. purpurea J. C. Roos 1965-8-15 s.n. Riverside San Jacinto Valley. Gilman Hot Springs. Comment
  RSA774890  Aristida purpurea var. purpurea Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5007 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66012 750 Comment
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May 22 2012
  UC53930  Artemisia californica E. A. Zumbro 1902-10-1 365 Riverside Riverside Comment
  UCSB38400  Artemisia nova Ziegler, Louis 1964-7-11 Riverside Two miles northeast of Kenworthy Ranger Station Comment
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Apr 22 2013
  SD137910  Artemisia tridentata subsp. tridentata Darin L. Banks, Steve Boyd 1995-10-26 836 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, along the Woodchuck Road, north of Woodchuck Campground. 519 Comment
  RSA0119962  Arundo donax Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9073 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA263781  Asclepias eriocarpa Robert Harvey 1959-8-4 157 Riverside Tin Mine Canyon Calif. near Corona. 610 Comment
  UC154644  Asclepias erosa Rensselaer J. Smith May 1904 306 Riverside Palm Springs Comment
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Aug 27 2011
  SDSU13501  Asclepias fascicularis W. Miller with C. Mosse 1972-7-20 Riverside West of R.C. Weather Station. Comment
  SBBG46422  Asclepias subulata C. H. Muller 1952-5-21 9514 Riverside mouth of Morongo Cyn Comment
  UC499723  Asclepias subulata Roxana S. Ferris and Rimo Bacigalupi 1932-4-30 8247 Riverside in canyon between Shaver's Well and Mecca Comment
  POM96855  Asclepias subulata P. A. Munz 1926-1-1 10818 Riverside Thousand Palms, Riverside County. Comment
  RSA0011742  Asplenium vespertinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2917 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA0011741  Asplenium vespertinum F. W. Peirson 1922-4-28 2919 Riverside Leach Canyon, near Elsinore. 609 Comment
  RSA690945  Aster ascendens Scott D. White 2003-10-9 9820 -A Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR93055  Aster subulatus Steve Boyd 1985-8-7 1121 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  CAS-BOT-BC478064  Asteraceae A. J. McC 1892-5-1 s.n. Riverside Lake Elsinore Comment
  CAS-BOT-BC177467  Astragalus aridus Carl B. Wolf 1932-4-28 3078 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  UC69648  Astragalus crotalariae T. W. Minthorn 1905-1-15 7 Riverside Indio; ; <near Los Angeles> Comment
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Jun 6 2011
  UCD104705  Astragalus didymocarpus Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3185 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  UC517559  Astragalus didymocarpus var. dispermus John Thomas Howell 1928-3-11 3440 Riverside 6 mi se Garnet Station (Colorado Desert); , se of Garnet Station 152 Comment
  CAS-BOT-BC182634  Astragalus didymocarpus var. obispoensis Steve Boyd 1986-4-2 1624 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UC862649  Astragalus didymocarpus var. obispoensis L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  SBBG87357  Astragalus douglasii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd from N to S, W of Garner Valley and S of Lake Hemet on Hwy 74 1524 Comment
  CAS-BOT-BC178434  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9662 Riverside On deserty roadbanks, 1.5 miles from hemet Road on roat to Aquanga, San Jacinto Mts. Comment
  RSA171359  Astragalus douglasii var. parishii J. D. Olmsted 1962-5-3 3516 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  RSA415490  Astragalus douglasii var. parishii M. B. Dunkle 1933-7-20 s.n Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SD128289  Astragalus douglasii var. parishii R. Mitchel Beauchamp 1971-5-15 2419 Riverside Black Mountain Road, San Jacinto Mountains. 1615 Comment
  RSA707349  Astragalus lentiginosus var. coachellae Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 09 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  CAS-BOT-BC194201  Astragalus pachypus Parish 1881-1-1 1134 Riverside Temecula Canyon Comment
  CAS-BOT-BC192826  Astragalus pomonensis B. 1904-4-5 4131 Riverside Hemet Comment
  CAS-BOT-BC194140  Astragalus pomonensis Joseph Andorfer Ewan; Carl Epling 1933-5-4 7610 Riverside 5 mi. above Corona, Temescal Canyon Comment
  POM2009  Astragalus pomonensis I. M. Johnston 1918-4-27 1854 Riverside Temescal Canon (West of Elsinore). 366 Comment
  UC1929603  Astragalus pomonensis Scott D. White 2001-3-13 8161 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  UC55779  Astragalus pomonensis H. M. Hall Apr., 1903 3815 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  UC917881  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside near junction 3 mi w Beaumont; w of Beaumont Comment
  CAS-BOT-BC98813  Atrichoseris platyphylla Lewis S. Rose 1937-4-10 37177 Riverside Indio-Blythe Road, 26 mi. E. of Indio 457 Comment
  UC196585  Atrichoseris platyphylla Joseph Grinnell 1910-3-18 Riverside Riverside Mountains , Colorado River Comment
  UCR113603  Atriplex canescens A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23673 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UC850848  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4324 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  CAS-BOT-BC170225  Atriplex canescens subsp. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  RSA760811  Atriplex canescens var. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-31 117 Riverside PCT Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111. 740 Comment
  RSA0066133  Atriplex canescens var. macilenta Stephanie Rockwood, Christi Gabriel 2011-10-18 125 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  RSA0092691  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3924 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: west Hemet area, north of Stetson Ave. and east of the EMWD canal. 456 Comment
  UCR70680  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2171 Riverside Perris-Aguanga Basin region, San Jacinto River, c. 1.6 km west of Lakeview & 30-40 m east of the river. c. 170 m north of MWD easement road 473 Comment
  POM47247  Atriplex elegans var. fasciculata Mary F. Spencer 1920-3-12 1508 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  UCD169480  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2- 521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15. 216 Comment
  SEINET4135079  Atriplex hymenelytra David B. Dunn, H. E. Brown; E. McClintock 1947-3-16 2862 Riverside Pushawalla Canyon, Indio Hills.; 0 Comment
  UCR166550  Atriplex hymenelytra Scott D. White, Brian Leatherman 2005-5-4 11016 Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  POM248406  Atriplex lentiformis Philip Crow 1939-7-10 s.n. Riverside Blythe Comment
  RSA24223  Atriplex linearis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, E side of Salton Sea. 1/2 way between Date Palm Beach and Salton Beach. -70 Comment
  CAS-BOT-BC176538  Atriplex polycarpa S. B. Parish 1912-10-10 8262 Riverside Mecca 57 Comment
  SEINET4135546  Atriplex polycarpa Lewis S. Rose 1961-11-24 61068 Riverside La Quinta.; 0 15 Comment
  RSA502490  Atriplex serenana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3731 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  UCD97788  Atriplex serenana Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3731 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 472 Comment
  UCR146524  Atriplex suberecta Scott D. White, Michael Honer 2004-3-11 9897 Riverside Peninsular Ranges; Santa Ana Mountains region, Corona area; c. 0.5 air mi east of I-15 and 1 air mi N of Eln Cerrito Rd. 320 Comment
  UCR182541  Atriplex suberecta Mitch Provance 2003-7-4 4642 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  RSA689434  Atriplex suberecta R. E. Riefner 2003-5-27 3 -253 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  UCR201872  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  CLARK-A1528-4497  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  RSA0123354  Ayenia compacta Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9050 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  SEINET5510176 Image available Ayenia compacta Annie M. Alexander, Louise Kellogg 1941-1 2236 Riverside Eagle Mountains, Monsen Canyon 823 Comment
  RSA0123697  Baccharis brachyphylla Duncan S. Bell, LeRoy Gross 2016-3-30 9165 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
  UCR264222  Baccharis brachyphylla A. C. Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  UCR281865  Baccharis brachyphylla A. C. Sanders, Jim Malusa 2017-9-19 43333 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.75 km SW (209 deg. ) of Tabaseca Tank 711 Comment
  POM68496  Baccharis emoryi Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  CLARK-A1528-167  Baccharis glutinosa Penny Stead 1970-4-21 Riverside Riverside 274 Comment
  RSA376137  Baccharis pilularis R. F. Thorne 1985-7-18 61282 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  SD224825  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18109 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1096 Comment
  JEPS21253  Baccharis salicifolia subsp. salicifolia Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio; Carrizo Canon 304 Comment
  JOTR36418  Baccharis salicifolia subsp. salicifolia La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3364 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UC164870  Baccharis salicifolia subsp. salicifolia S. B. Parish 1902-6-27 8127 Riverside Mecca Colorado Desert Comment
  SEINET10859137  Baccharis sarothroides A. K. Evans 1976-4-13 Evans 5211 Riverside Desert canyons of Santa Rosa Mountains. Comment
  POM350456  Baccharis sergiloides L. C. Wheeler 1933-12-1 2292 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  UCR19179  Baccharis sergiloides John C. Roos 1948-9-14 3003 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  CAS-BOT-BC295897  Bahiopsis parishii 1905-4-1 5877 Riverside Col. Desert Comment
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Sep 3 2017
  RSA346254  Bahiopsis parishii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54062 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA23112  Baileya pauciradiata I. L. Wiggins 1938-3-19 8900 Riverside 25 miles W of Blythe. Comment
  RSA516890  Baileya pauciradiata Steve Boyd, Orlando Mistretta 1986-3-13 1404 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UC665909  Baileya pleniradiata Ira L. Wiggins 1941-3-27 9684 Riverside 8 mi ne of, s end of Coxcomb Mountains Desert Center; Coxcomb Mountains Comment
  UC1931074  Barbarea orthoceras Scott D. White, Justin Wood 2008-7-9 12426 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR156472  Barbarea orthoceras T. B. Salvato, A. C. Sanders 2005-5-17 887 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
  UCR268584  Barbarea orthoceras Jim Andre 2012-6-15 30549 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  POM350778  Bebbia juncea Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca. 213 Comment
  RSA189408  Bebbia juncea L. S. Rose 1966-12-14 66111 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA480024  Bebbia juncea Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2151 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR109559  Bebbia juncea R. D. Goeden, Don W. Ricker 1980-3-20 s.n. Riverside Western Colorado Desert, Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  UCR128941  Bebbia juncea Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCSB16944  Bebbia juncea Winn, Will 1963-4-8 Riverside 39.4 miles west of Desert Center on U.S. Highway 60-70 152 Comment
  CAS-BOT-BC100131  Bebbia juncea var. aspera W. L. Jepson 1912-10-22 5249 Riverside Blythe Intake, Palo Verde Valley 137 Comment
  SD27943  Bebbia juncea var. aspera Carl B. Wolf 1932-4-27 3000 Riverside 14 miles east of Mecca on Blythe Road. 149 Comment
  UC19133  Bergia texana Samuel B. Parish 1891-11-5 2240 Riverside Elsinore Lake Comment
  RSA751085  Beta macrocarpa A. C. Sanders 2008-4-15 34892 Riverside NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 383 Comment
  UC62867  Bidens pilosa H. M. Hall 1901-8-1 Riverside vicinity of Riverside Riverside 304 Comment
  CSUSB16  Bloomeria crocea D. L. Heald 1966-5-16 52 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  RSA33615  Bloomeria crocea var. crocea N. C. Cooper 1944-7-16 1542 Riverside San Jacinto Mtns., Pine Cove. 1524 Comment
  SBBG50743  Boechera californica R. S. Woglum 1941-6-12 3059 a Riverside Idyllwild Comment
  UCSB26857  Boechera californica Gerhart, Janet 1963-5-3 Riverside 8.5 miles north of Lake Fulmor Picnic area on Banning-Idyllwild road 1219 Comment
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Mar 14 2014
  UC597589  Boechera johnstonii Philip A. Munz 1937-5-31 15123 Riverside Kenworthy, S part of San Jacinto Mountains 1371 Comment
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Mar 25 2011
  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
  SD232716  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside South Fork San Jacinto River: Hwy 74, ca. 1-3 road miles E of USFS Cranston Fire Station. Sandy flat area just brelow road. Silt on soil surface suggests that water pools here during runoff. 600 Comment
  UCR104582  Boerhavia intermedia T. L. Ackerman 1982-10-13 82 438 Riverside Western Colorado Desert, Boyd Deep Canyon Center near road and buildings 274 Comment
  CAS-BOT-BC434547  Boerhavia spicata Philip A. Munz 1946-10-20 11578 Riverside Palms to Pines Highway, at north base of Santa Rosa Mts. 1036 Comment
  CAS-BOT-BC434535  Boerhavia triquetra J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns., above Palm Desert. 701 Comment
  RSA0078217  Boerhavia triquetra var. intermedia Sarah J. De Groot, Duncan S. Bell 2015-9-21 7588 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  RSA782003  Boerhavia triquetra var. intermedia Stephanie Rockwood, Christi Gabriel 2011-10-18 117 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  JOTR32618  Boerhavia wrightii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1628 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA0020467  Boerhavia wrightii Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6033 Riverside Chuckwalla Mountains; about 0.25 air mile southeast of Corn Spring. 480 Comment
  UCR89882  Bolboschoenus maritimus subsp. paludosus J. M. Stewart 1991-5-15 789 Riverside Sonoran (Colorado) Desert, Coachella Valley, Dos Palmas Oasis [Rancho Dos Palmas, Nature Conservancy preserve headquarters], North Shore -37 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
  RSA0027477  Bouteloua aristidoides var. aristidoides Deidre Conocchioli, April Garbat 2013-9-5 39 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  RSA784778  Bouteloua barbata Duncan S. Bell 2012-3-18 3182 Riverside The Mecca Hills; southeastern section of hills; in labyrinthian slot canyons to the east of Hidden Canyon, approximately 2.2 air miles southwest of Hidden Spring. 74 Comment
  SEINET3221555 Image available Bouteloua barbata E. R. Blakley 1961-9-12 4713 Riverside Pinyon Flat, Palms to Pines Highway Comment
  UCR242303  Bouteloua barbata A. C. Sanders, T. B. Salvato 2012-10-12 40429 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  JOTR30836  Bouteloua barbata var. barbata La Doux, Tasha, Jim Andre 2008-9-16 346 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  CLARK-A1528-4516  Bouteloua curtipendula John C. Roos 1958-9-28 Riverside San Jacinto Mountains Comment
  UCR159770  Bowlesia incana Scott D. White 1999-5-2 7281 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., c. 1.5 - 2 mi west of I-215 freeway 442 Comment
  JOTR35013  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SBBG100729  Brandegea bigelovii W. L. Halvorson 1977-2-5 77 -19 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SD134466  Brandegea bigelovii Craig Reiser 1991-5-27 Riverside Palm Desert near Bighorn Sheep Institute Comment
  UCR86214  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 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
  UCSB9114  Brandegea bigelovii Chisaki, Francia; Kamb, Peter 1952-4-9 Riverside Box Canyon, road from Mecca to Blythe Comment
  RSA0036797  Brassica nigra Bruce Albert 1982-4-17 31 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Weedy disturbed road margins and field adjacent to Cajalco Rd. Comment
  UCR85644  Brassica nigra A. C. Sanders 1993-4-5 13692 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
  RSA779593  Brassica tournefortii Duncan S. Bell 2009-3-7 25 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
  UCR134593  Brassica tournefortii Marisa Sripracha, Kyle Boyd 2004-2-14 009 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UC604871  Brickellia atractyloides Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  UC86159  Brickellia atractyloides S. B. and W. F. Parish 1882-1-1 1210 Riverside Agua Caliente Comment
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Nov 24 2011
  CAS-BOT-BC106187  Brickellia desertorum Nancy Ryan Zabriskie; Nancy Bercovitz 1971-11-15 463 Riverside Andreas Canyon, east slope San Jacinto Mountains - in canyon bottom but away from stream, this below the clubhouse. 304 Comment
  UCR209329  Brickellia desertorum Fred M. Roberts, R. L. Allen, Sandra L. Leatherman 2009-10-2 7165 Riverside Santa Ana Mountains, ridge between Mabey and Tin Mine Canyons, 4.2 km by road above Forest Service gate, 2.9 km southeast of Sierra Peak 709 Comment
  UCR48380  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR191210  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 918 Riverside Peninsular Ranges; Santa Ana Mountains region, Elsinore Peak; 0.3 km southwest of the peak 1043 Comment
  UCR160703  Brodiaea terrestris Michael A. Patten 1992-5-6 s.n. Riverside Peninsular Range, Along Temecula Creek c. 0.5 km west of I-15 Fwy 305 Comment
  UCR16042  Brodiaea terrestris subsp. kernensis S. Riddell 1973-5-17 730517- 01 Riverside 8 mi west of Perris on Hwy 74 457 Comment
  POM254898  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 3 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  UCD62681  Bromus berteroanus var. excelsus F. M. Reed 1920-3-20 4170 Riverside Colorado Desert, Murray Canon near Palm Springs. 91 Comment
  UCR61251  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside, residential garden, 422 Campus View Drive 366 Comment
  UCSB51392  Bromus catharticus Roos, A. 1937-11-13 Riverside San Bernardino Basin region, Riverside 243 Comment
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May 21 2011
  POM12135  Bromus rubens Mary F. Spencer 1920-4-5 1547 Riverside Palm Springs, Colorado Desert. 122 Comment
  POM363962  Bromus rubens Ora M. Clark 1929-2-23 1554 Riverside North Whitewater., [Locality: 35?55'30N 116?38'15W] Comment
  UCR104906  Bromus tectorum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20645 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  RSA0019728  Bromus tectorum E. W. Lathrop 1966-5-15 6321 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  JEPS54857  Caesalpinia virgata H. M. Hall 1905-4-1 5779 Riverside 7 mi. w. Coachella; Colorado Desert Comment
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Sep 11 2011
  RSA0014313  Caesalpinia virgata Justin M. Wood, J. Miner 2010-4-29 1545 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA697938  Caesalpinia virgata J. R. Bruff 1927-10-8 1 -M Riverside Thousand Palms. Comment
  UCR102914  Caesalpinia virgata George K. Helmkamp, E. A. Helmkamp 1998-2-5 2656 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  JEPS52588  Calandrinia ambigua W. L. Jepson 1927-4-13 11688 Riverside Painted Canyon Mecca Hills (mouth) 45 Comment
  POM280839  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  UCR16503  Calandrinia ciliata Joe Buriel 1966-3-18 s.n. Riverside Riverside, off Mockingbird Canyon Road, 1.5 mi south of Van Buren turnoff 457 Comment
  UCR35005  Calia secundiflora L. B. Ziegler 1976-8-25 552 Riverside San Jacinto Valley, upper part of valley on slopes below the hills on east side 457 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
  SD90486  Calochortus albus E. W. Lathrop, Robert F. Thorne, E. Lathrop 1967-5-19 37984 Riverside Santa Rosa Plateau, Rancho Californica [California?], shaded grassy area under oak woodland, ca. 2 miles beyond turn-off to ranch headquarters. 609 Comment
  RSA741192  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-16 12129 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR262257  Calochortus concolor T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3728 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  CAS-BOT-BC132441  Calochortus palmeri H. M. Hall 1899-5-1 1106 a Riverside [Van de Venter's] Vandeventer 1371 Comment
  RSA162805  Calochortus palmeri var. munzii J. D. Olmsted 1958-6-15 179 Riverside May Valley Truck Trail 3.0 miles SE of Saunders Meadow SW of Idyllwild. Herkey Creek-Hemet Lake Drainage Area, San Jacinto Mountains 1402 Comment
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Apr 29 2011
  UCR178202  Calochortus plummerae Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 644 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  CHSC2241  Calochortus splendens V. Holt 1957-4-29 Riverside Near Hemet. 304 Comment
  UCR273986  Calochortus splendens Mitch Provance 2012-4-27 412- 31 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR297  Calochortus splendens Frank C. Vasek 1955-5-14 228 Riverside Peninsular Range, [Wolf Valley], 8 miles north of Pala on S16 366 Comment
  SD181791  Calochortus weedii var. intermedius Scott D. White, Brian Leatherman 2000-6-1 7994 Riverside Corona Foothills: Steep slopes directly south of Oak Av. And Lincoln Av., just east of Hagador Canyon. 381 Comment
  RSA263764  Calycadenia tenella E. W. Lathrop 1968-6-2 6952 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA525319  Calycadenia tenella Steve Boyd 1990-4-29 4473 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA559358  Calycadenia tenella Steve Boyd 1993-5-13 7384 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA472429  Calycoseris wrightii M. B. Dunkle 1932-3-26 2948 Riverside 4 miles south [east] of Banning Comment
  UC68980  Calycoseris wrightii H. M. Hall 1905-4-1 5966 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  CLARK-A1528-770  Calyptridium monandrum C. M. Flanagan 1973-5-20 OO 529 Riverside Morongo Indian Reservation 1158 Comment
  SBBG35571  Calyptridium monandrum D. Myrick 1966-4-2 1331 Riverside upper end of Aqueduct Rd ca. 10 mi SE of Desert Hot Springs Comment
  SDSU20275  Calyptridium monandrum Adrienne D. Russell, Michael G. Simpson 2000-4-29 128 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky slope between trailer and gorge on edge of lot, driveway. Comment
  UCR137704  Calyptridium monandrum D. L. Banks, V. W. Steinmann 1997-3-13 1518 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
  UCR231811  Calyptridium monandrum Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 05 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  SEINET9098077  Calyptridium monandrum H. M. Hall 1904-5-16 4944 Riverside Riverside, Fairmount Park. 244 Comment
  UCR169390  Calystegia occidentalis subsp. fulcrata T. B. Salvato, John F. Green 2004-5-27 613 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC199285  Calystegia sepium subsp. limnophila J. C. Roos; A. R. Roos 1950-8-7 4919 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  SEINET10805071  Camissonia Jennifer H. Jones, Thi (Teresa) Bui; Holly Summers 2006-5-31 Jones 342 Riverside Peninsular Ranges; San Jacinto Mtns.: Just down Mt. Edna Road W off of CA Hwy. 243 (Cabazon 7.5'Q). N facing slope, chaparral with Adenostoma fasciculatum, Eriodictyon crassifolium, Erio gonum fasciculatum and Lotus scoparius. Sandy soil. 1146 Comment
  UCR118781  Camissonia bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR127330  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25839 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA777538  Camissonia boothii subsp. condensata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 898 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  POM6771  Camissonia californica P. A. Munz 1919-5-7 2739 Riverside Colorado Desert, Tahquitz Canyon 229 Comment
  POM7035  Camissonia californica P. A. Munz 1919-3-25 2317 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA717449  Camissonia cardiophylla Scott D. White, Pam DeVries 2006-3-14 11261 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA793460  Camissonia cardiophylla Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4374 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
  UCR108718  Camissonia claviformis Scott D. White, Pam DeVries 1998-2-9 6079 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR148446  Camissonia claviformis John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 26 and 28, north of Hunters Spring, near S base of Orocopia Mtns. 21 Comment
  RSA135289  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside Fargo Canyon, alluvial fan. Comment
  UCR103548  Camissonia claviformis subsp. aurantiaca George K. Helmkamp, E. A. Helmkamp 1998-1-17 2531 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR43415  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA291564  Camissonia hirtella C. W. Tilforth, B. Busenberg 1980-6-17 2002 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  RSA676129  Camissonia hirtella Scott D. White 2001-4-13 8328 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR258630  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7895 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  POM9607  Camissonia ignota I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  RSA741174  Camissonia intermedia Scott D. White, Justin M. Wood 2008-6-18 12208 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCR16411  Camissonia pallida Barry A. Vittor 1966-3-18 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  RSA465911  Camissonia pallida subsp. hallii N. C. Cooper 1944-3-25 1023 Riverside Cabazon. 457 Comment
  POM46820  Camissonia pallida subsp. pallida Mary F. Spencer 1920-3-29 1452 Riverside In desert sand, Palm Springs, Colorado Desert. 137 Comment
  UC1922393  Camissonia refracta Naomi Fraga, Lisa Rojas 2005-2-10 1351 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA564048  Camissonia strigulosa A. C. Sanders 1993-5-17 14064 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 457 Comment
  SEINET242066  Camissonia strigulosa A. C. Sanders 2001-3-30 23862 Riverside Perris-Aguanga Basin Region: Temecula, Long Canyon W of Del Rey Rd., bottom of canyon W of junction of Av. Pina Colada 366 Comment
  JEPS29318  Camissoniopsis bistorta Rimo Bacigalupi and L. Heckard 1962-3-26 8414 Riverside roadside flat 2.2 mi nw Alberhill (headwaters of creek); Temescal Creek Comment
  UC50469  Camissoniopsis bistorta H. M. Hall Apr. 1903 3723 Riverside Vicinity of Riverside 396 Comment
  UCR261170  Camissoniopsis bistorta A. C. Sanders, Katie Young, John Hale 2015-4-22 41605 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  SD225045  Camissoniopsis pallida G. K. Helmkamp 1998-4-3 3064 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. Comment
  RSA0120230  Camissoniopsis pallida subsp. pallida Duncan S. Bell, Thomas Stoughton 2016-4-14 9288 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  SEINET1869530  Campanulaceae H. M. Hall 1905-1 5819 Riverside Eastern base of Indio Mt., Colorado Desert. 150 Comment
  UCR92446  Capsella bursa-pastoris A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18108 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats 1100 Comment
  RSA180316  Cardamine californica var. integrifolia E. W. Lathrop 1959-3-26 4364 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
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Apr 28 2011
  RSA228815  Cardamine californica var. integrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 601 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  CLARK-A1528-177  Carduus pycnocephalus Larry Cohen 1969-5-8 Riverside Reche Canyon 457 Comment
  UCR109645  Carex T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA500189  Carex alma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3556 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA769195  Carex bolanderi P. F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside Bridge over North Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains 1785 Comment
  CAS-BOT-BC20706  Carex fracta H. E. Hasse 1903-6-24 s.n. Riverside San Jacinto Moutains. Keen - Allen's Camp. 1371 Comment
  SEINET1876644  Carex fracta Malcolm G. McLeod 1971-6-22 470 Riverside Idyllwild Comment
  UC729544  Carex fracta Carl B. Wolf 1932-5-24 3653 Riverside Snow Creek Canyon, 1 mi above fish hatchery San Jacinto Mountains, N base 792 Comment
  IRVC1230  Carex multicaulis R. H. Whittaker, W. A. Niering 1963-5-29 SJ 64 Riverside Highway above Idyllwild. Peninsular Ranges, San Jacinto Mountains 1860 Comment
  CAS-BOT-BC117861  Carex sartwelliana Carl B. Wolf 1932-8-5 3943 Riverside San Jacinto Mountains. Along trail from Tahquitz valley to San Jacinto Peak. 2621 Comment
  UCR79474  Carex triquetra Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7311 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UCD110245  Carya illinoinensis A. C. Sanders; T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley: Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development. 335 Comment
  UCR127560  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley, Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development 335 Comment
  SD70378  Castilleja affinis L. R. Heckard 1953-5-5 388 Riverside Along California highway 79, 5.7 miles south of Hemet, at edge of hills Comment
  UCR281702  Castilleja affinis B. C. Templeton, I. W. Clokey, C. B. Clokey 1930-4-15 1087 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 Comment
  SBBG47446  Castilleja exserta N. C. Cooper 1949-4-21 1127 Riverside Banning 701 Comment
  UCR116410  Castilleja exserta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24179 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
  RSA0121435  Castilleja foliolosa Duncan S. Bell, LeRoy Gross 2016-3-30 9144 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA612477  Castilleja foliolosa D. L. Banks 1997-2-23 1340 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  RSA772853  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4838 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
  SD80143  Castilleja foliolosa Nancy Ryan Zabriske, Walter Zabriske 1971-4-6 359 Riverside North-facing slope, Andreas Canyon, east slope San Jacinto Mts. 456 Comment
  UC27215  Castilleja lasiorhyncha H. M. Hall 1897-6-16 649 Riverside San Jacinto Mts. 1828 Comment
  UC454830  Castilleja miniata I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2590 Comment
  RSA586930  Castilleja minor subsp. spiralis D. L. Banks, S. D. Boyd 1995-5-3 296 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
  UCR59756  Castilleja minor subsp. spiralis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3565 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  POM14299  Caulanthus cooperi P. A. Munz, D. D. Keck 1922-4-9 4787 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  CAS-BOT-BC41088  Caulanthus hallii Lewis S. Rose 1937-4-9 37122 Riverside Palms to Pines Highway, 18 miles west of Indio. 1036 Comment
  RSA0124738  Caulanthus lasiophyllus Duncan S. Bell, LeRoy Gross 2016-3-9 8847 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA593696  Caulanthus lasiophyllus var. rigidus Steve Boyd, Dave Bramlet 1996-4-19 8630 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  JEPS42362  Ceanothus cordulatus W. L. Jepson 1903-8-6 2273 Riverside Dark Canyon San Jacinto Mt. 1524 Comment
  CAS-BOT-BC48499  Ceanothus crassifolius A. C. Sanders 1998-1-15 21629 Riverside Lake Skinner area: Black Mtn., along road up north side (Bachelor Mtn. 7.5' Q. 883 Comment
  POM254867  Ceanothus crassifolius W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 793 Comment
  RSA1503  Ceanothus crassifolius B. D. Stark 1929-2-21 1606 Riverside Hidden Canyon, Santa Ana Mts. Comment
  RSA160402  Ceanothus crassifolius John Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in w. Corona, after 3 mi turn w. on Chase Dr., then s. on Oak Flat fire road for 3 mi. past olive trees. 762 Comment
  RSA606768  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27358 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SEINET13945805 Image available Ceanothus crassifolius Scott D. White 1996-1 3873 Riverside Bundy Cyn, SE of Lk Elsinore. About 1 road mile (-+0.2 mi) E. of Bundy Cyn Rd exit from 1-15 freeway; USGS Lake Elsinore 7.5'topo map. 1480 ft elev. (450m),+- 40 ft. S of rd along mapped intermittent blueline stream. 33 deg. 371/2'N, 117 deg. 15'W. T6S, R4W, NW1/4 of NW1/4 of S25. 450 Comment
  RSA575054  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -H Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  POM84582  Ceanothus greggii var. perplexans S. B. Parish 1908-06 6966 Riverside Eden Hot Springs Comment
  CAS-BOT-BC51275  Ceanothus leucodermis Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9661 Riverside 3 miles below junction of Idyllwild Road on State Highway #74 Comment
  CLARK-A1528-3895  Ceanothus leucodermis John C. Roos 1952-4-23 5574 Riverside Highgrove Comment
  HSC94288  Ceanothus leucodermis D. Atwood 1993-3-26 17680 Riverside Santa Ana Mtns., 4.8 mi. S of Lake Elsinore along Hwy. 74 808 Comment
  RSA68332  Ceanothus leucodermis G. R. Campbell 1951-5-30 16150 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UC1070901  Ceanothus oliganthus var. oliganthus A. Lewis May 1934 412 Riverside Trabuco Canyon Elsinore quad., Cleveland Nat. For. 1371 Comment
  RSA557891  Ceanothus oliganthus var. sorediatus Steve Boyd, Orlando Mistretta 1992-4-22 7002 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  RSA769824  Ceanothus palmeri E. W. Lathrop 1969-5-9 7033 Riverside Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1220 Comment
  UC870622  Ceanothus palmeri I. W. Clokey, E. G. Anderson 1935-8-21 6736 Riverside Fuller's Creek San Jacinto Mts. 1500 Comment
  UCR30503  Ceanothus papillosus R. J. Weatherby 1950-1 1365 Riverside Peninsular Range; Santa Ana Mtns., head of Hagador Canyon, Southwest of Corona 1159 Comment
  UCR4118  Ceanothus perplexans Ronald M. Cope 1965-3-20 s.n. Riverside Peninsular Range; San Jacinto Mtns., in valley on road from Idyllwild to Banning, 5 mi below Lake Fulmor 1296 Comment
  POM305802  Ceanothus spinosus Henry J. Ramsey 1937-4-2 1057 Riverside Elsinore - Capistrano. Comment
  CAS-BOT-BC63253  Ceanothus tomentosus var. olivaceus M. French Gilman 1928-3-13 s.n. Riverside Canyon on n. slope of San Jacinto Mts. bet. Cabazon and Whitewater. Comment
  UCR158860  Cenchrus incertus Scott D. White 1994-6-23 2087 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA709641  Centaurea repens Chris E. True, Laurel Salzman 2004-7-16 s.n. Riverside San Timoteo Canyon, 3.2 miles SE of Redlands Blvd., across road from historic schoolhouse, between RR tracks and creek. NE of El Casco Lakes. 579 Comment
  UCR193853  Centaurea solstitialis John F. Green 2008-7-9 s.n. Riverside Peninsular Range, Menifee Valley, Briggs Rd. south of Scott Rd. and north of Woodbine Lane 447 Comment
  SEINET7067556  Centaurium venustum A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. Coordinate datum: NAD27. Comment
  UC22695  Centaurium venustum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  RSA714020  Centromadia pungens subsp. laevis R. E. Riefner 2004-8-27 04 -397 Riverside N of La Sierra Heights; NE ca. 1 mi off Arlington Ave. along dirt access road to Hidden Valley Wildlife Reserve. 207 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
  JOTR34133  Centrostegia thurberi Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21101 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  CAS-BOT-BC388358  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Gavilan Hills-Gavilan Hills: Harford Springs Co. Park Comment
  RSA585630  Cerastium glomeratum D. L. Banks, Steve Boyd 1995-3-15 0065 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
  UCR65288  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3882 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  HSC47359  Cercocarpus montanus var. glaber Richard Spjut, C. E. Edson 1978-4-24 4952 Riverside Along Hwy. 74, 3 mi. from jct. with Hwy. 71 in San Jacinto Mtns. 915 Comment
  JEPS82354  Chaenactis artemisiifolia L. R. Heckard 1969-4-24 2164 Riverside about 7 mi s of Sage (along Highway 79) Comment
  JEPS8905  Chaenactis artemisiifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1274 Riverside San Jacinto River to Strawberry Valley Comment
  RSA561098  Chaenactis artemisiifolia Steve Boyd 1993-5-12 7335 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCD130219  Chaenactis artemisiifolia B. Pitzer; A. C. Sanders 1987-4-21 499 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  CAS-BOT-BC276419  Chaenactis carphoclinia Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13256 Riverside US Gypsum mine property in Little Maria Mountains, 2.3 miles above Midland post office Comment
  RSA779581  Chaenactis carphoclinia Duncan S. Bell 2009-3-7 13 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  SBBG99385  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  HSC5288  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1966-3-20 24314 Riverside 5 miles N of Milpitas Wash and 12 miles NW of Blythe-Glamis Rd. Comment
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Mar 2 2013
  HSC86863  Chaenactis carphoclinia var. carphoclinia David Charlton 1988-2-25 1227 Riverside S side of Little San Bernardino Mtns. Dillon Rd. and 1000 Palms Oasis Rd. Jct. S of Joshua Tree National Park, parrallel to I-10; 5 miles E of Jct. Dillon Rd and Fargo Canyon Rd. 610 Comment
  JOTR31896  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2145 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  RSA678217  Chaenactis fremontii Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1084 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  RSA0106324  Chaenactis fremontii Lyman Benson 1946-4-15 12026 Riverside 2 miles east of Banning. 609 Comment
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  RSA171362  Chaenactis glabriuscula var. glabriuscula J. D. Olmsted 1962-5-3 3529 Riverside Santa Rosa Indian Reservation, following SW flank of mountains; 1/2 mi. SE of turn up to old Indian Village 1768 Comment
  SD237305  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Santa Ana Mountains: Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers, near concrete wildlife drinker. 1039 Comment
  UC31038  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2056 Riverside vicinity of Chalk Hill; San Jacinto Mountains, Chalk Hill 1524 Comment
  JEPS34166  Chaenactis glabriuscula var. lanosa Carl V. Meyer 1929-6-18 770 Riverside Hemet Valley San Jacinto Mts., Hemet Valley Comment
  CAS-BOT-BC284343  Chaenactis stevioides Annie M. Alexander; Louise Kellogg 1941-5-11 2145 Riverside Cottonwood Spring, Eagle Mountains, Colorado Desert 883 Comment
  JEPS8841  Chaenactis stevioides W. L. Jepson 1928-4-25 12578 Riverside Cottonwood Springs Eagle Mtns., Colorado Desert, Cottonwood Springs 731 Comment
  RSA779768  Chaenactis stevioides Duncan S. Bell 2010-4-1 675 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  UC1922418  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 Hwy 177. 170 Comment
  UC56534  Chamaesyce albomarginata E. A. Zumbro Oct., 1902 300 Riverside Riverside Comment
  RSA668235  Chamaesyce nutans A. C. Sanders 1994-11-8 15863 Riverside Sonoran (Colorado) Desert Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 and Sage Lane. 46 Comment
  RSA763996  Chamaesyce polycarpa Justin M. Wood, Dustin M. Ray 2010-10-21 3005 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UC68677  Chamaesyce polycarpa H. M. Hall Apr., 1905 5900 Riverside Cuckawalla Wash Colorado Desert Comment
  RSA432486A  Chamaesyce polycarpa var. hirtella Gale Sphon 1955-5-20 s.n. Riverside Dead Indian Canyon, near Palm Springs. Comment
  RSA336187  Chamaesyce polycarpa var. polycarpa R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52044 Riverside Just E of Palm Desert. Comment
  RSA432407  Chamaesyce polycarpa var. polycarpa E. S. Spalding 1926-2-13 s.n Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  RSA627497  Chamaesyce prostrata L. C. Wheeler 1965-6-27 8691 Riverside Corona: Overboltzer's Grove. Comment
  RSA549999  Chamaesyce serpens O. F. Clarke 1976-9-23 s.n. Riverside Common weed on UCR campus. Comment
  CAS-BOT-BC66320  Cheilanthes clevelandii Peter H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA523509  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3968 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UC42439  Cheilanthes covillei Vasey Jr. Feb. 1881 13 Riverside Whitewater Comment
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Nov 29 2010
  CAS-BOT-BC70292  Cheilanthes newberryi C. G. Pringle March 28 s.n. Riverside Riverside Comment
  UCR48426  Cheilanthes newberryi Steve Boyd 1985-12-25 1198 Riverside Peninsular Range, Gavilan Hills; W side of Steele Valley in SCE Transmission Line Corridor 762 Comment
  JOTR33755  Cheilanthes parryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2753 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side (Stop 5) Comment
  JOTR33996  Cheilanthes parryi La Doux, Tasha, M. Harding 2010-4-7 2884 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
  RSA680568  Cheilanthes parryi Scott D. White, Michael Honer 2003-4-30 9140 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 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
  CAS-BOT-BC70379  Cheilanthes viscida John Thomas Howell 1928-3-11 3421 Riverside wall of Morongo Canyon, n. Colorado Desert 609 Comment
  UCR20418  Chenopodium ambrosioides Dr. H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Jacinto Mountains, north base of mountains, Snow Creek Canyon 549 Comment
  RSA736651  Chenopodium berlandieri Justin M. Wood 2008-7-16 35 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Aug 8 2010
  SD239701  Chenopodium berlandieri A. C. Sanders, D. L. Sanders 2008-9-27 36106 Riverside San Bernardino Valley Region: Santa Ana Riverbottom at Norco, between Corydon Av. (Fire St. 21) and a point NW of Vine St. and Halfmoon Ct. intersection, c. 1 mile NE of River Road bridge (Corona North 7.5'Q) 164 Comment
  UCD98094  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside 5 miles n.e. of Aguanga. Comment
  UCR140733  Chenopodium californicum A. C. Sanders 2004-5-12 27869 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR4104  Chenopodium californicum Ronald M. Cope 1965-3-5 s.n. Riverside valley c. 50 yds. south of where Gage Canal goes underground after having crossed Le Conte Drive Comment
  SBBG65369  Chenopodium leptophyllum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  SD146306  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside; Prenda area, south side of Hermosa Stree, ca. 0.25 mile west of the intersection with Washington Street. 609 Comment
  UCR193972  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  CDA3100  Chenopodium strictum Mitch Provance 2000-11-2 2293 Riverside Reid Park, ca. 0.5 mile SW of the corner of Placentia Ln. and Orange Street, North Riverside. Comment
  CAS-BOT-BC231790  Chilopsis linearis Roxana S. Ferris 1918-6-14 895 Riverside 2 miles east of Indian Wells on Palm Springs-Indio Rd Comment
  SD113257  Chilopsis linearis Darley F. Howe 1936-6-14 358 Riverside Palm Springs Comment
  UCSB50076  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  JEPS9185  Chilopsis linearis subsp. arcuata W. L. Jepson 1901-5-22 1361 Riverside Palm Canyon to Van de Venter's s. of Palm Springs; San Jacinto Mts. Comment
  RSA545216  Chilopsis linearis subsp. arcuata R. F. Thorne 1970-10 41877 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
  SBBG7240  Chilopsis linearis subsp. arcuata H. and M. Dearing 1940-6-7 4331 Riverside 7 mi N Palm Springs Comment
  CAS-BOT-BC184867  Chloris virgata F. H. Billings 1924-5-23 15 Riverside Near Redlands. Comment
  POM313180  Chloris virgata Malcolm A. Nobs, S. Galen Smith 1948-9-3 490 Riverside Palm Springs. 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
  UCR277700  Chorizanthe Mitch Provance 2012-4-1 412- 37 Riverside Badlands of Western Riverside County, N side of San Timoteo Canyon Rd., about 4.5 mi WNW of intersection with I-10, N of old Haskell residence 646 Comment
  RSA554023  Chorizanthe brevicornu var. brevicornu A. C. Sanders, E. J. Lawlor 1992-4-4 12116 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SEINET3132312  Chorizanthe brevicornu var. brevicornu G. B. Grant 1906-5-1 173 a-6715 Riverside Colorado Desert at Palm Springs Comment
  UCR123864  Chorizanthe brevicornu var. brevicornu Steven R. Hill 2001-5-3 33681 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR20757  Chorizanthe brevicornu var. brevicornu A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1324 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
  UCR163922  Chorizanthe corrugata A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29132 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR116696  Chorizanthe fimbriata George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  UC597640  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside at head Coyote Canyon (below Anza Tablet, sw Riverside County); head Coyote Canyon below Anza Tablet 1005 Comment
  RSA572973  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  CAS-BOT-BC252783  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  JEPS100434  Chorizanthe parryi var. parryi Dean W. Taylor 2003-5-6 18526 Riverside 1.15 mi NNE of Cabazon, along access road paralleling powerlines 640 Comment
  SEINET3132306  Chorizanthe parryi var. parryi K. Brandegee 1905-5-12 sn Riverside Riverside Comment
  UC55752  Chorizanthe parryi var. parryi H. M. Hall May, 1901 Riverside West Riverside Comment
  UCR43432  Chorizanthe parryi var. parryi R. F. Thorne, C. W. Tilforth 1980-5-28 54226 Riverside San Bernardino Mtns., rocky and sandy wash along Whitewater River, 3.2 mi. north of White Water post office and Highway 10 549 Comment
  CAS-BOT-BC257184  Chorizanthe polygonoides var. longispina Mrs. C. M. Wilder 1906-5-29 s.n. Riverside West Riverside Comment
  RSA407731  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCR217517  Chorizanthe procumbens var. albiflora Lee A. Ripma 2008-5-7 93 Riverside Santa Ana Mtns, San Mateo Canyon, 1.3km northwest of Wildomar Rd, west of Tenaja trail 661 Comment
  RSA392737  Chorizanthe rigida E. C. Jaeger 1922-3-29 815 Riverside Chuckwalla Valley. 259 Comment
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May 29 2011
  RSA736762  Chrysanthemum coronarium Scott D. White, Lynn Stafford 2007-7-5 11754 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  SD114083  Chylismia brevipes Darley F. Howe 1949-3-21 1950 Riverside 3.0 miles west of Desert Center. 305 Comment
  UCR279518  Chylismia brevipes A. C. Sanders, Jim Malusa 2017-3-27 43118 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UC1184317  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-16 11861 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  CAS-BOT-BC160606  Chylismia claviformis subsp. aurantiaca Lewis S. Rose 1937-4-10 37178 Riverside Indio - Blythe Road, 26 mi. E. of Indio 457 Comment
  CAS-BOT-BC160628  Chylismia claviformis subsp. aurantiaca Ivan Johnston 1917-4-4 1084 Riverside Palm Canyon 304 Comment
  UCSB23977  Chylismia claviformis subsp. aurantiaca Keefe, Joseph 1967-1-2 Riverside Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  JOTR30217  Cirsium neomexicanum Leary, C. and Leary, Pat 1979-5-5 3031 Riverside Joshua Tree National Park. 1 mi SE of Quail Mtn., Joshua Tree National Monument; T2S sec 14 Comment
  UC454292  Cirsium occidentale var. californicum I. J. Condit 1910-6-23 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1676 Comment
  UC30798  Cirsium scariosum var. congdonii H. M. Hall 1899-5-1 Riverside Cahuilla Comment
  POM123129  Cistanthe monandra Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA733814  Cistanthe monandra Keith E. Hoffmaster 1935-3-31 569 -343 Riverside Palm Springs Comment
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Aug 27 2011
  UCR251871  Clarkia dudleyana M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  CAS-BOT-BC163867  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-4-19 1709 Riverside Temescal Canyon: Flats at SE end Alberhill Mountain Comment
  POM3049  Clarkia purpurea subsp. quadrivulnera H. M. Hall 1901-07 2262 Riverside Fuller Mill s Mountains. 1585 Comment
  RSA674597  Clarkia purpurea subsp. quadrivulnera Scott D. White 2000-8-5 8103 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  POM17813  Clarkia rhomboidea P. A. Munz 1923-6-14 7091 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  SD137709  Clarkia similis Darin L. Banks, Steve Boyd 1995-5-3 185 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, East of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR7738  Clarkia similis Tony Beck 1968-5-11 680511- 01 Riverside Santa Ana Mtns., Santa Rosa Plateau, 3 mi. north of Johnson Ranch near Redonda Mesa, near summit of road. 854 Comment
  RSA0019616  Claytonia parviflora subsp. parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  RSA586801  Claytonia parviflora subsp. parviflora D. L. Banks, Steve Boyd 1995-5-3 0239 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
  RSA117664  Claytonia perfoliata subsp. perfoliata S. S. Tillett 1956-4-8 428 Riverside At intersection of US 91 and Cal 71, SW of overpass. Comment
  UCR121661  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20022 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR86887  Claytonia perfoliata subsp. perfoliata A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16285 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  CAS-BOT-BC91330  Clematis lasiantha Elisabeth Norland 1941-12-2 11198 Riverside Santa Ana Mountains, Main Divide Motorway. Comment
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  RSA650481  Clematis ligusticifolia C. J. Humphrey 1936-6-7 84 Riverside [No location data on label] Comment
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Dec 15 2011
  POM158457  Clematis pauciflora P. A. Munz 1927-5-21 10872 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  SDSU13364  Clematis pauciflora Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 13 Riverside Santa Margarita Ecological Reserve (SDSU). 0.7 miles SW of the Northside Field Station. 241 Comment
  UC1333278  Clematis pauciflora Charles B. Fiker 1947-4-26 3797 Riverside Dripping Springs Guard Station area Comment
  UCR194815  Clematis pauciflora Scott D. White 2006-5-19 11476 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  RSA0117457  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1107 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  UCR20883  Collinsia concolor A. C. Sanders 1978-7-3 999 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UC1608302  Collinsia parryi Steve Boyd and Orlando Mistretta 1992-4-23 7072 Riverside following San Mateo Trail upstream to confluence with Bluewater Canyon (along San Mateo Creek from Riverside County line, San Mateo Canyon Wilderness Area, Southern Santa Mts); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 243 Comment
  HSC47411  Colubrina californica Richard Spjut, C. E. Edson 1978-4-25 4955 Riverside Colorado Desert, N face of Chuckawalla Mtns. 2.7 mi S of Desert Center 335 Comment
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR107825  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, at intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  SBBG101665  Convolvulus simulans S. Boyd 1991-5-20 6268 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  CAS-BOT-BC285929  Conyza bonariensis F. A. Billings 1924-5-1 s.n. Riverside Santa Ana Wash, near Redlands Comment
  UCR103461  Cordylanthus rigidus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  UCR227603  Cordylanthus rigidus Duncan S. Bell, Ryan Parker 2010-6-15 1310 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and Forest Service Road 5S15 1063 Comment
  SD229081  Corethrogyne filaginifolia Dick Schwenkmeyer 2012-8-7 795 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  SEINET272198  Cornus glabrata A. C. Sanders, T. Tennant 1997-11-14 21596 Riverside Morongo Indian Reservation ; San Bernardino Mtns.: W end of Burro Flats wooded canyon at border between chaparral hillside and annual grassland past 1158 Comment
  UC488912  Cornus nuttallii C. V. Meyer June 1927 176 Riverside Dark Canyon San Jacinto Mts., Dark Canyon 1828 Comment
  SD125721  Crassocephalum crepidioides A. C. Sanders 1986-9-15 6960 Riverside Temecula. Comment
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Sep 10 2011
  CLARK-A1528-2617  Crassula aquatica John C. Roos 1952-4-9 5514 Riverside Edgemont 487 Comment
  RSA198952  Crassula aquatica R. F. Thorne, E. W. Lathrop 1968-5-8 37565 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  RSA757466  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55210 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA789250  Crassula aquatica Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2420 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  SD125359  Crassula aquatica Robert F. Thorne, Earl Lathrop 1975-5-25 45561 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  SBBG120133  Crassula connata A. C. Sanders with K. Volansky 2005-3-17 29202 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
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Mar 20 2011
  UCR126988  Cressa truxillensis A. C. Sanders, Guy Bruyea 2003-6-12 26890 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR182526  Cressa truxillensis Mitch Provance 2005-5-17 6573 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
  UCR202249  Cressa truxillensis Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR280823  Cressa truxillensis T. B. Salvato, Gregg Miller 2005-6-3 1367 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA291612  Crossosoma bigelovii C. W. Tilforth 1979-2-11 1741 Riverside Whitewater Canyon, east of Morongo Indian Reservation 441 Comment
  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
  UCD102969  Crossosoma bigelovii Anne Harrison 1962-4-17 28 .5 Riverside East wall of Whitewater Canyon; north from Highway 60 on Whitewater Canyon road, 1/4 mile south of trout farm where road crosses Whitewater River. Comment
  UCSB3800  Crossosoma bigelovii Atsatt, Pete 1958-3-21 Riverside Whitewater Canyon, 1.5 miles north of White Water town Comment
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Nov 19 2014
  LA204989  Croton californicus Elizabeth McClintock; 1938-4-9 sn Riverside Soboba Indian Reservation, San Jacinto Comment
  SFV17217  Croton californicus var. mohavensis J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  CAS-BOT-BC189256  Cryptantha Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  SDSU21767  Cryptantha G. D. Wallace 2003-7-8 4028 Riverside Peninsular Ranges; San Jacinto Mountains region: Hidden Lake. 2652 Comment
  POM368193  Cryptantha angustifolia M. B. Dunkle 1933-3-4 3047 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM368208  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palm Canyon, Coachella Valley Comment
  SDSU18687  Cryptantha angustifolia Kristen Hasenstab, M. G. Simpson 2008-4-1 52 Riverside Joshua Tree National Park. 500 ft south of Cottonwood Springs campground, along path that leads to the Mastodon Loop Trail. 928 Comment
  UC1539722  Cryptantha angustifolia Chas. B. Fiker 1946-4-17 3417 Riverside w side Colorado Desert Comment
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Mar 23 2014
  POM99146  Cryptantha angustifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  POM184300  Cryptantha barbigera P. A. Munz 1932-3-14 11991 Riverside Palm Springs. 91 Comment
  SD128709  Cryptantha barbigera Darley F. Howe 1980-4-16 Riverside 8.5 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 550 Comment
  UC1178556  Cryptantha barbigera Peter Kamb 1948-4-11 880 Riverside e of Garnet (aqueduct road); Coachella 304 Comment
  UC2015547  Cryptantha barbigera A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16185 Riverside Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. Comment
  GMDRC2039  Cryptantha barbigera var. fergusoniae J. Andre 2006-4-26 6745 Riverside Little San Bernardino Mountains: Joshua Tree National Park: about 0.5 mi. NNE. of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary. Near 34.07623 deg. N 116.44711 deg. W. Elev. 4332 ft. 1321 Comment
  SD185166  Cryptantha barbigera var. fergusoniae A. C. Sanders 2001-4-8 23983 Riverside Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave. 348 Comment
  POM368351  Cryptantha circumscissa Christopher Davidson 1973-4-19 1997 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree 1220 Comment
  RSA757724  Cryptantha circumscissa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4359 b 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
  UCR86879  Cryptantha circumscissa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16259 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
  UCR187465  Cryptantha costata Michael Honer, Dave Silverman 2005-3-18 2096 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  RSA13343  Cryptantha intermedia Percy C. Everett 1935-6-17 7165 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 609 Comment
  SD181669  Cryptantha intermedia Scott D. White, Tasha La Doux 2000-4-20 7679 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  SEINET7063222  Cryptantha intermedia A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR16165  Cryptantha intermedia R. P. Sunderman 1968-4-17 2 Riverside Campus of University of California, Riverside. 396 Comment
  UCR201485  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-6-16 12126 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR25080  Cryptantha intermedia A. C. Sanders 1980-7-18 1637 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  VVC123  Cryptantha intermedia A. C. Sanders, J. Mac 1997-5-4 20637 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
  RSA676167  Cryptantha maritima Scott D. White 2001-4-3 8274 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UCR244860  Cryptantha maritima Jim Andre 2012-3-19 21381 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR50380  Cryptantha maritima F. R. Fosberg 1930-3-9 S- 01557 Riverside Western Colorado Desert, Devil's Garden; between Morongo Wash and Whitewater Wash. Comment
  RSA703404  Cryptantha maritima var. pilosa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1425 -b Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA340179  Cryptantha micrantha R. F. Thorne, W. A. Tilforth 1980-5-28 54188 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA499647  Cryptantha micrantha B. C. Templeton, I. W. Clokey 1930-4-9 1073 Riverside North of Palm Springs. Colorado desert 400 Comment
  UC1241172  Cryptantha micrantha Peter H. Raven 1959-5-18 14241 Riverside Lake Fulmor Comment
  UC1329936  Cryptantha micrantha James E. Cole 1941-6-15 905 Riverside Black Spring Wash Joshua Tree National Monument 1280 Comment
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Feb 24 2013
  UC218237  Cryptantha micrantha P. A. Munz and I. M. Johnston 1922-5-19 5421 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  RSA777445  Cryptantha micrantha var. micrantha Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 970 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  IRVC27448  Cryptantha micromeres A. C. Sanders, Steven R. Hill 2001-5-4 24129 Riverside W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho C. Rd. Santa Ana Mtns. region 488 Comment
  UCR102888  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR7858  Cryptantha microstachys O. F. Clarke, R. Gagnon 1968-5-14 s.n. Riverside City of Riverside, Santa Ana River bottom off Fremont Avenue Comment
  RSA613426  Cryptantha muricata D. L. Banks 1997-4-5 1666 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
  UCR153367  Cryptantha muricata LeRoy Gross, Valerie Soza 2003-5-8 832 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA786537  Cryptantha muricata var. denticulata C. P. Cowan 1978-4-23 1236 Riverside Santa Rosa Mountains. 17.3 mi (27.2 km) S and W on Hwy 74 from jct w/111 at Indian Wells. San Bernardino National Forest. Whittaker transect no.W-221(voucher). 1180 Comment
  SBBG6266  Cryptantha muricata var. jonesii H. and M. Dearing 1942-3-29 4851 Riverside near Dos Palmas Spring 1097 Comment
  RSA0079441  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, Kyle Boyd 1989-6-24 3749 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  RSA0079442  Cryptantha muricata var. jonesii LeRoy Gross, Valerie Soza 2003-5-8 832 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA0079359  Cryptantha muricata var. muricata Steve Boyd, Rita Gentry 1991-5-30 6316 Riverside Murrieta, summit of Hogbacks on Gentry Experimental Farm. 543 Comment
  SDSU18652  Cryptantha nevadensis var. nevadensis Michael G. Simpson, Kristen Hasenstab 2008-4-2 2944 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  POM258906  Cryptantha racemosa E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  RSA0123286  Cryptantha racemosa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8999 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA1316  Cucurbita palmata J. T. Howell 1928-7-9 1066 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  CAS-BOT-BC224554  Cuscuta californica H. E. Hasse 1892-6-30 s.n. Riverside San Jacinto Mts Comment
  RSA263689  Cuscuta ceanothi E. W. Lathrop 1966-5-8 6418 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA737220  Cycloloma atriplicifolium Justin M. Wood 2008-9-30 178 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  OBI9019  Cyclospermum leptophyllum Robert J. Rodin 1953-5-9 8200 Riverside Fairmont Park, Riverside 259 Comment
  RSA0059450  Cylindropuntia californica var. parkeri Lyman Benson 1963-7-13 16388 Riverside 1/2 mile north of Aguanga. 610 Comment
  SD229117  Cylindropuntia ganderi Dick Schwenkmeyer 2012-10-16 852 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  HSC46678  Cylindropuntia ramosissima B. C. Templeton Apr 1965 10526 Riverside Joshua Tree Comment
  RSA791481  Cynanchum utahense J. Andre 2012-4-15 20848 Riverside West end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  UCR233936  Cynanchum utahense Duncan S. Bell 2011-10-22 3005 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  RSA650405  Cynodon dactylon W. H. Grady 1948-5-2 s.n. Riverside in Riverside. 259 Comment
  SEINET3926489  Cynodon dactylon Faulkner 1978-3-21 348 Riverside 9 miles N of Blythe, Hwy 95, Saline flats.; 0 152 Comment
  RSA577786  Cyperus niger var. capitatus L. C. Wheeler 1932-9-4 1332 Riverside Santa Ana River at Chino Creek. 152 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
  HSC47600  Dalea mollis Richard Spjut 1975-5-10 5035 Riverside N face of Chuckawalla Mts., 2.7 mi. S of Desert Center. 335 Comment
  RSA0031553  Dalea mollissima Duncan S. Bell 2013-1-30 4443 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  RSA717646  Dalea mollissima Scott D. White, Pam De Vries 2006-3-14 11244 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA0018639  Dalea schottii C. P. Cowan 1978-4-23 1168 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Whittaker transect #W-217. 570 Comment
  POM48728  Datisca glomerata P. A. Munz, I. M. Johnston 1924-7-29 8833 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR16392  Datura wrightii J. R. Sweeten 1965-5-15 017 Riverside San Bernardino Mtns., White Water Canyon Road, about 3 mi from its jct with Hwy 60 549 Comment
  UCR172154  Datura wrightii A. C. Sanders 2006-5-11 32272 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR154455  Daucus pusillus A. C. Sanders, Mike Misenhelter 2005-6-15 30966 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
  UCR158727  Daucus pusillus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30010 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
  UC1929933  Deinandra fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  UCD131079  Deinandra kelloggii L. LaPre 1988-6-3 s.n. Riverside Indian Trails project site, Indian Truck Trail exit on west side of I-15 freeway in Temescal Canyon. Around 1/4 mile from the freeway near the dirt road. Comment
  UC2015630  Deinandra mohavensis Jeri Hirshberg 1995-9-13 Riverside San Jacinto Mountains: at the edge of the road to Hungry Hollow from Hwy 243 ca. 0.75 mi. SSE of Poppet Flat Rd. jct. w/243. ca. 1 mi. E of Poppet Flat Comment
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Feb 4 2015
  SBBG118794  Deinandra paniculata S. D. White 1999-10-7 7625 Riverside Menifee/Sun City area: S of McColl Ave and E of I-215 freeway; T5S R3W S27 440 Comment
  SD181703  Deinandra paniculata Scott D. White 2001-6-20 8596 Riverside Just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215 Freeway. 441 Comment
  UC1746496  Deinandra paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside 2 miles due east of Railroad Canyon Lake; Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Comment
  UCSB1982  Delphinium parishii subsp. parishii Sager, Ginny 1960-4-1 Riverside White Water Canyon Comment
  CLARK-A1528-783  Delphinium parryi C. M. Flanagan 1973-5-31 OO 607 Riverside Morongo Indian Reservation 0 Comment
  PASA2532  Delphinium parryi 1922-5-18 Riverside Road south of Lake Elsinore 377 Comment
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Jun 24 2016
  UCR213465  Delphinium parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38360 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR163592  Dendromecon rigida O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  CAS-BOT-BC198166  Deschampsia danthonioides Philip A. Munz 1941-5-18 16645 Riverside 15 miles northeast of Temecula Comment
  CAS-BOT-BC198174  Deschampsia danthonioides John Thomas Howell 1930-5-10 4776 A Riverside Marsh Field Comment
  RSA171373  Descurainia pinnata J. Olmstead 1962-5-3 3535 Riverside Above old Santa Rosa Indian Village, SW side of Santa Rosa Mt. 1905 Comment
  UCR89593  Descurainia pinnata Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  POM10270  Descurainia pinnata subsp. halictorum Anonymous 1904-4-10 s.n. Riverside Wilders Canon, Jurupa Hills, near Riverside. Comment
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Feb 2 2013
  RSA0120624  Descurainia pinnata subsp. intermedia Duncan S. Bell, Thomas Stoughton 2016-3-15 8935 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  CAS-BOT-BC402294  Dicentra chrysantha H. M. Hall 1897-5-14 564 Riverside San Jacinto Mountains. At lower altitudes Comment
  CSUSB964  Dicentra chrysantha Richard Sayre 1972-5-7 Riverside Santa Rosa Road 7 miles from Murietta. Comment
  RSA16363  Dicentra chrysantha Percy C. Everett 1935-6-17 7169 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 610 Comment
  UCR16447  Dicentra chrysantha K. Stolte 1978-5-28 s.n. Riverside 3-4 miles east of Junction of Hwy 79 and 371 ('71'), on Hwy 79 Comment
  UCR113154  Dichelostemma capitatum A. C. Sanders 1998-3-11 21666 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  UCR116807  Dichelostemma capitatum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23937 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  CAS-BOT-BC500850  Dichelostemma capitatum Marian L. Campbell 1921-3-18 51 Riverside Banning Comment
  HSC3085  Dichelostemma capitatum subsp. pauciflorum R. K. Brennan 1966-4-9 53 Riverside Yucca mesa, 5 mi. NW of Joshua Tree National Monument, section 30, lot 33 1006 Comment
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Nov 30 2014
  POM214403  Dichelostemma capitatum subsp. pauciflorum Donald A. Johansen, Joseph A. Ewan 1932-4-11 7065 Riverside Mouth of Tahquitz Canyon Comment
  SEINET8666167 Image available Dichelostemma pulchellum Sandy Gray 1981-4-1 12 Riverside CA Hwy 142 6 miles east of Corona, highway overpass. Comment
  POM9799  Dicoria canescens P. A. Munz 1921-12-31 4705 Riverside Between Palm Springs & Whitewater. Comment
  UCR113933  Digitaria ischaemum Mitch Provance, A. C. Sanders 2000-7-4 2096 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR48475  Dimorphotheca sinuata Steve Boyd 1986-4-10 1640 B Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 1.0 mi east of the Indian Truck Trail exit of Hwy I-15. Comment
  SD139997  Diplacus aurantiacus Scott White 1993-3-15 1188 Riverside Elsinore; Highway 74, just west of NW corner of Lake Elsinore Comment
  CAS-BOT-BC150936  Diplacus bigelovii var. bigelovii Edmund C. Jaeger 1939-3-30 s.n. Riverside Desert Center Comment
  CAS-BOT-BC152916  Diplacus brevipes Peter H. Raven; R. Snow 1957-7-26 11087 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger station, San Jacinto Mts. Comment
  RSA0019284  Diplacus brevipes N. C. Cooper 1944-6-17 1424 -A Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA0016056  Diplacus fremontii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38096 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  CAS-BOT-BC168490  Dipsacus sativus Kurt Campbell 2006-6-15 s.n. Riverside Perris-Aguanga Basin: Temecula, NW corner of Moraga Rd. and Rancho California Road 335 Comment
  POM122228  Ditaxis lanceolata Theodore Labochere 1915-04 204 Riverside Borders on the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs; near the mouth of Chino Canyon. Comment
  SEINET10453841  Ditaxis lanceolata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 27 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
  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
  RSA796748  Ditaxis neomexicana J. Andre 2012-4-11 20842 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR244303  Ditaxis neomexicana Jim Andre 2012-4-15 20856 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR72175  Ditaxis neomexicana Theo Glenn 1991-5-15 91- 36 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA775099  Ditaxis serrata Duncan S. Bell, Michael Hee 2011-3-18 2054 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  CAS-BOT-BC43643  Dithyrea californica Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea. Comment
  RSA0112085  Dithyrea californica Duncan S. Bell 2010-2-21 554 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on western section of range. 452 Comment
  UCR37495  Dodecatheon clevelandii Steve Boyd 1981-3-2 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. by the road behind lookout Comment
  SD132879  Downingia cuspidata Tim Cass 1979-6-1 205 Riverside Mesa de Colorado, Pool C Comment
  IRVC146  Dryopteris arguta M. Savage 1965-4-24 s.n. Riverside [E of Mountain Center] Route 74; Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  RSA40400  Dryopteris arguta Sara Schenck 1948-02 s.n. Riverside small valley near Desert Queen Mill Site, Joshua Tree National Monument, Little San Bernardino Mountains. Comment
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Nov 6 2011
  RSA596154  Dryopteris arguta Darin L. Banks 1996-11-7 1191 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  UCR25369  Dryopteris arguta John C. Roos 1952-4-13 5519 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  UC1015383  Dudleya alainae Reid Moran 1947-5-10 2182 Riverside 1.5 mi from Hwy (Santa Rosa Rd) 1676 Comment
  RSA397783  Dudleya lanceolata H. Twining 1890-05 s.n. Riverside Foothills [Riverside] Comment
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Oct 27 2011
  RSA494649  Dudleya lanceolata B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  HSC85282  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Alberhill Mtn., lower slopes of S flank, just E of claymine area Comment
  UCR41762  Dyssodia porophylloides A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6140 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  RSA0045575  Echidiocarya californica Keith E. Hoffmaster 1935-3-3 s.n. Riverside Near Santa Ana River, north of Arlington. Comment
  POM148751  Echinodorus berteroi J. B. Feudge 1927-6-1 1621 Riverside Lake Mystic. Comment
  SD146025  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23117 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi south of Eden Hot Spring 433 Comment
  UCR220116  Elatine D. E. Bramlet 1992-4-23 2240 Riverside Peninsular Range; Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  RSA336064  Elatine chilensis R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51979 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 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
  RSA788870  Eleocharis G. D. Wallace 2003-7-8 4032 Riverside Hidden Lake. Comment
  CAS-BOT-BC112767  Eleocharis macrostachya Philip Alexander Munz; Ivan Murray Johnston 1922-5-18 5323 Riverside 1/2 mile south of Lake Elsinore, mud flat. Comment
  UCR122541  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2001-5-20 6670 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  SBBG90326  Eleocharis palustris L. F. LaPre 1988-7-22 Riverside Santa Rosa Springs Ranch, Santa Rosa Plateau W of town of Murrieta 548 Comment
  RSA365356  Eleocharis parishii Anstruther Davidson 1904-5-1 1101 Riverside Palm Springs. Comment
  POM12148  Elymus elymoides Mary F. Spencer 1921-6-15 1692 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  JOTR33943  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2832 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA679220  Elymus glaucus var. glaucus Fred M. Roberts 2003-6-25 5914 Riverside Just NE of Falcon roup Camp, 2.1km ESE Los Pinos Peak just west of main road. 1009 Comment
  SD247286  Elymus ponticus A. C. Sanders, T. B. Salvato 2014-7-2 41186 Riverside Peninsular Range: San Jacinto Mtns.; Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Road. (Palm View Peak 7.5'Q) 1555 Comment
  RSA16506  Emmenanthe penduliflora Percy C. Everett 1935-6-17 7152 Riverside Santa Ana Mts, Coldwater Canyon Trail to Santiago Peak, 2 miles above Glen Ivy Resort. 610 Comment
  SFV12248  Emmenanthe penduliflora A. Harrison 1962-4-17 22 Riverside San Bernardino Mountains North of CA-60 on Whitewater Canyon Road, 0.25 miles south of trout farm where road crosses Whitewater River. 645 Comment
  UCR107412  Emmenanthe penduliflora B. G. Pitzer 1997-3-23 2964 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA502503  Encelia actoni Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3723 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  UC488974  Encelia actoni C. V. Meyer 1927-6-1 210 Riverside w base of San Jacinto Mt. 609 Comment
  UCR23768  Encelia actoni John C. Roos 1942-6-20 992 Riverside San Jacinto Valley, E of Hemet Comment
  UCR243171  Encelia actoni LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4345 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  CAS-BOT-BC131321  Encelia farinosa Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  LA205845  Encelia farinosa F. R. Fosberg; 1932-3-13 8067 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA644109  Encelia farinosa Scott D. White 1995-3-30 2682 Riverside Moreno Valley; base of Badlands slopes, N of Highland Blvd. and W of Theodore St. 579 Comment
  UCR97691  Encelia farinosa A. C. Sanders, G. Helmkamp 1997-3-15 19966 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  UCSB18836  Encelia farinosa Beringer, George 1963-5-5 Riverside Near State Highway 74; 9.7 miles E of Pinyon Flats Public Campground 670 Comment
  SEINET10618306  Encelia farinosa Billy Joe Cox 1975-4-23 Cox 4130 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial Counties. 70 Comment
  RSA171035  Encelia farinosa var. farinosa R. F. Thorne 1963-3-29 32434 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  POM93893  Encelia farinosa var. farinosa F. W. Peirson 1922-4-9 1331 Riverside Palm Canyon Region, near Palm Springs. Comment
  POM122185  Encelia frutescens Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  UC68862  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  SDSU3822  Encelia virginensis Gerald Collier 1951-5-27 M 550 Riverside About 25 ft. from roadside state Hwy 74. About 4 miles east of Pinon Flats. San Jacinto Mtns. Comment
  NY70354  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca, 100 yards east of Spring. Comment
  UC813668  Ephedra aspera I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs Comment
  POM303741  Ephedra californica Lyman Benson 1946-4-15 12040 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA383870  Ephedra californica Anstruther Davidson 1902-5-18 1901 Riverside Banning, Cal. Comment
  SEINET3866917  Ephedra californica Lewis S. Rose 1955-3-14 55028 Riverside Whitewater Wash. 3 mi. se. of Palm Springs Station.; 0 305 Comment
  UCR91061  Ephedra nevadensis Bern Schwenn 1994-2-20 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Little San Bernardino Mtns. 'Hidden Gold' Canyon near the Hidden Gold Mine. Above the Park Service barrier at the bottom end of the curve, in S13. 854 Comment
  JEPS20725  Ephedra trifurca Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13265 Riverside 2.1 mi s of Rice (on road to Midland and Blythe) Comment
  RSA775801  Ephedra trifurca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 987 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR131021  Ephedra trifurca Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  RSA596531  Epilobium brachycarpum D. L. Banks 1996-7-16 1128 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road) . 427 Comment
  RSA711039  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2005-8-31 31579 Riverside 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., ca 0.5 mi. N of Tenaja Rd. 671 Comment
  UCR21167  Epilobium canum subsp. canum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  JOTR36393  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  RSA448507  Epilobium canum subsp. latifolium N. R. Zabriskie 1969-11-8 239 Riverside Andreas Canyon near Palm Springs. 274 Comment
  RSA588342  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1944-5-6 1176 Riverside Whitewater Canyon. 457 Comment
  SD193324  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek; 0.5 mile north of Tenaja Rd. 671 Comment
  POM48883  Epilobium glaberrimum subsp. glaberrimum P. A. Munz 1924-7-27 8749 Riverside Dark Canyon, San Jacinto Mountains. 1982 Comment
  RSA162773  Epilobium glaberrimum subsp. glaberrimum J. D. Olmsted 1959-7-3 s.n. Riverside Strawberry Cr. below dropoff below Isomata belowIdyllwild. Alt: 4700 ft. 1433 Comment
  POM157890  Epilobium pygmaeum P. A. Munz 1927-5-20 10802 Riverside Murrieta Hot Springs. Comment
  RSA92723  Epilobium pygmaeum J. C. Roos 1952-5-14 5662 Riverside Edgemont, near Box Springs. 488 Comment
  POM184299  Eremalche exilis P. A. Munz 1932-3-14 11992 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UC68598  Eremalche exilis H. M. Hall Apr. 1905 5928 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  RSA172245  Eremalche rotundifolia Robert F. Thorne 1963-3-29 32399 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 11 2011
  RSA432719  Eremalche rotundifolia E. C. Jaeger 1922-4-2 s.n. Riverside Box Canon near Mecca. Comment
  UCSB9703  Eremalche rotundifolia Leeuwen, Henry 1957-4-13 Riverside Next to US 60, near juncture with Cal 195 Comment
  JEPS25984  Eremothera chamaenerioides P. A. Munz and D. Keck Apr 9 1922-Apr 22 1922 4853 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  JOTR35062  Eremothera refracta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3514 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UC303728  Eriastrum densifolium subsp. austromontanum G. B. Grant Aug. 1901 Riverside Strawberry Valley Comment
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Sep 6 2010
  HSC101781  Eriastrum densifolium subsp. elongatum J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13183 Riverside Along Hwy. 74. 972 Comment
  RSA0097953  Eriastrum densifolium subsp. mohavense Duncan S. Bell 2014-11-14 7720 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA0119714  Eriastrum diffusum subsp. coachellae P. A. Munz, I. M. Johnston 1922-5-6 5169 Riverside Colorado Desert, dry Morongo Wash. Comment
  JEPS69035  Eriastrum eremicum subsp. eremicum W. L. Jepson 1914-5-24 6063 Riverside Palm Springs of Mt. San Jacinto Colorado Desert 121 Comment
  CAS-BOT-BC514454  Eriastrum eremicum subsp. eremicum S. B. Parish 1894-6-14 3330 Riverside San Bernardino Mountains and their eastern base: Whitewater 343 Comment
  SD212698  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly volansky 2006-5-28 32626 Riverside Hills between Murrieta and Menifee Valley, West of I-215, South of Bundy Canyon/Scott Road, and North of Clinton Keith Road, vicinity of peak 2279 579 Comment
  GMDRC5830  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  RSA0120776  Eriastrum luteum P. A. Munz 1923-6-14 7103 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  UCR167828  Eriastrum sapphirinum T. B. Salvato, Melissa Clemons 2005-6-2 1353 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  SD148098  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2001-5-3 24094 Riverside Perris-Aguanga Basin region; Hemet, southeast corner of State Street at Gibbel at east end of Diamond Valley. 494 Comment
  RSA0121586  Eriastrum sapphirinum subsp. dasyanthum Marcy Keys 1981-5-16 63 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  RSA0122953  Eriastrum sapphirinum subsp. dasyanthum Orlando Mistretta 1992-6-10 510 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  POM40988  Ericameria brachylepis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  UC1118818  Ericameria brachylepis A. Lewis 1933-2-1 146 Riverside Lewis Valley San Jacinto Quadrangle 609 Comment
  UCSB12338  Ericameria cooperi Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon, Colorado Desert Comment
  RSA23701  Ericameria linearifolia R. S. Woglum 1934-3-18 627 Riverside Snow Creek, Coachella Valley Comment
  SBBG62898  Ericameria nauseosa var. mohavensis J. E. Butner 1948-10-3 657 Riverside San Jacinto Mtns on St Hwy 74 Comment
  UC604141  Ericameria nauseosa var. oreophila Edmund C. Jaeger 1938-10-21 Riverside 15 mi s of Warren's Well; Little San Bernardino Mts., Joshua Tree National Monument 1280 Comment
  UC1118789  Ericameria palmeri var. pachylepis R. St. John 1931-1-20 175 Riverside e of Arlington Mountain; Elsinore Quad. 396 Comment
  UCR150558  Ericameria palmeri var. pachylepis Scott D. White 2003-12-1 9891 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR266378  Ericameria palmeri var. pachylepis D. E. Bramlet, Bill Wagner 2009-10-19 4404 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.75 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 470 Comment
  UC68919  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench Comment
  SEINET255646  Erigeron foliosus A. J. Breitung 1953-5-30 15286 Riverside Glen Ivy Hot Springs. Comment
  UCR202018  Erigeron foliosus Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCR264075  Erigeron foliosus S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1079 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  SBBG89038  Erigeron foliosus var. foliosus B. Pitzer, K. Kirtland 1986-5-20 228 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho California area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  LA103322  Eriodictyon crassifolium Jonathan Sauer; R. Minnich 1977-4-16 5962 Riverside San Jacinto Mountains, above Banning Comment
  POM13818  Eriodictyon crassifolium P. A. Munz 1922-4-28 5055 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  SDSU6016  Eriodictyon crassifolium Bruhns 1965-5-22 103 Riverside San Jacinto Mtn., Highway 74, 1.0 miles of West of Mountain Center. Comment
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Apr 7 2013
  RSA0120005  Eriodictyon trichocalyx var. lanatum Duncan S. Bell, Thomas Stoughton 2016-4-13 9258 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  SEINET6328742  Eriogonum apiculatum Richard Walker 1967-9-30 92 Riverside South of Black Mountain Camp ca 300 yards on east side of road embankment ca 4 yards off; San Jacinto Mountains 2103 Comment
  UC1051633  Eriogonum apiculatum Peter Kamb 1950-9-12 1930 Riverside ridge n North Fork of San Jacinto River (w side of Mt. San Jacinto); Mt. San Jacinto 2286 Comment
  UC6237  Eriogonum apiculatum H. M. Hall 1897-8-13 849 Riverside from type locality, San Jacinto Mt. San Jacinto Mt. 1828 Comment
  CAS-BOT-BC242784  Eriogonum davidsonii Susan G. Stokes 1933-7-1 76 Riverside Beside road to Idyllwild Comment
  JOTR35460  Eriogonum davidsonii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 63 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop4) Comment
  RSA739335  Eriogonum davidsonii Keith E. Hoffmaster 1937-6-6 810 Riverside Palms to Pines road near Keen Camp. PR4. Comment
  UCR89690  Eriogonum davidsonii G. R. Ballmer 1992-5-17 92 35 Riverside Santa Rosa Mtns, Deep Canyon, trail from Hwy 74 to bottom of canyon, in vicinity of Pinyon Crest 915 Comment
  SBBG61985  Eriogonum deflexum R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UCR74368  Eriogonum deflexum Theo Glenn 1991-4-30 91- 57 Riverside Sonoran (Colorado) Desert, McCoy Mtns., NW of Blythe 170 Comment
  POM202624  Eriogonum elongatum Marcus E. Jones 1933-10-29 s.n. Riverside Palm Springs. Comment
  RSA784659  Eriogonum elongatum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 66 Riverside South main divide road splitting. Comment
  RSA789366  Eriogonum fasciculatum Aaron C. Sedgwick, David Fraker 2012-3-28 42 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  LA84261  Eriogonum fasciculatum var. polifolium O. H. Kappler; 1948-4-18 1652 Riverside Whitewater Comment
  RSA393338  Eriogonum fasciculatum var. polifolium E. Crow 1929-2-24 182 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  RSA393340  Eriogonum fasciculatum var. polifolium H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  RSA648264  Eriogonum fasciculatum var. polifolium Diane M. Ramirez 1983-5-15 20 Riverside Poppet Flat Divide Truck Trail, 1 1/2 mi S of junction with CA hwy 243, S of Banning. Comment
  SEINET7048185  Eriogonum fasciculatum var. polifolium Steven R. Hill 2001-5-3 33693 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
  UC849445  Eriogonum gracile I. W. Clokey 1935-8-21 6593 Riverside Hemet Lake 1300 Comment
  UCR274554  Eriogonum gracile Mitch Provance, Ken Halama 2003-6-15 17048 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA795943  Eriogonum inflatum Duncan S. Bell 2009-4-19 277 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA0054925  Eriogonum inflatum W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  CLARK-A1528-3666  Eriogonum maculatum John C. Roos 1958-9-28 Riverside San Jacinto Mountains Comment
  JOTR16815  Eriogonum maculatum Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  RSA25324  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  CAS-BOT-BC270953  Eriogonum molestum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  LA206955  Eriogonum nudum var. pauciflorum Elizabeth McClintock; 1938-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley from Hidden Lake Comment
  RSA78311  Eriogonum parishii P. A. Munz, E. K. Balls 1952-8-21 17983 Riverside Road, Vandeventer Flat to Santa Rosa Peak. 2073 Comment
  UCSB1532  Eriogonum pusillum Walker, Clifford 1954-4-10 Riverside slope mouth of White Water Canyon Comment
  CAS-BOT-BC263515  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, Colorado Desert Comment
  RSA614477  Eriogonum thomasii George K. Helmkamp 1998-4-4 3171 Riverside 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station. 305 Comment
  RSA776816  Eriogonum thomasii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1089 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA777832  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 850 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
  SBBG99612  Eriogonum thomasii W. L. Halvorson 1977-3-8 77 -92 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR104611  Eriogonum thomasii B. G. Pitzer 1998-1-24 3392 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR148450  Eriogonum thomasii 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
  UCR214169  Eriogonum thomasii T. B. Salvato 2010-4-20 4063 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR36108  Eriogonum thomasii R. F. Thorne 1983-4-23 55503 Riverside San Bernardino Mtns., On the south end of ridge at mouth of Whitewater Canyon, east of bridge, 'about 3.3 mi. north of Whitewater Post Office' [!??] 427 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
  UCSC011195  Eriogonum thomasii Adam Searcy 2012-4-6 51 Riverside Bradshaw Trail Comment
  RSA778621  Eriogonum trichopes Duncan S. Bell 2009-3-8 62 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UC666509  Eriogonum trichopes Annie M. Alexander and Louise Kellogg 1941-5-28 2262 Riverside Metropolitan Aqueduct Road e Hayfield Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA38358  Eriogonum wrightii var. membranaceum P. A. Munz 1946-10-19 11565 Riverside Coahuila. 1098 Comment
  SD122865  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau, Gavilan Hills, Gavilan Creek 2000 Comment
  UC218231  Eriogonum wrightii var. membranaceum P. A. Munz 1922-9-6 6360 Riverside near Dark Canyon; San Jacinto Mts. 1524 Comment
  UCR204182  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Peninsular Range; San Jacinto Mountains, southern spur of Pine Meadow, SE of Hwy 371, NW of Santa Rosa Summit, north side of Hwy 74 1477 Comment
  CAS-BOT-BC261791  Eriogonum wrightii var. nodosum Philip A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north base of Santa Rosa Mts. 1097 Comment
  CAS-BOT-BC298486  Eriophyllum ambiguum var. paleaceum L. R. Abrams 1926-3-26 11013 Riverside Palm Springs Comment
  SBBG133379  Eriophyllum ambiguum var. paleaceum S. Boyd, A. Maurice, P. Lubinsky, L. Lubinsky 2003-4-17 10480 Riverside E side of mouth of Chino Cyn, along rd to Palm Springs Tram Station Comment
  POM54139  Eriophyllum confertiflorum M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA180331  Eriophyllum confertiflorum E. W. Lathrop 1965-4-26 5694 Riverside 4 miles southwest of Murrieta. Comment
  SD37562  Eriophyllum confertiflorum Florence Post 1931-5-1 Riverside Lake Elsinore region. Comment
  UC1118333  Eriophyllum confertiflorum var. confertiflorum A. Lewis 1933-1-26 142 Riverside Cactus Valley San Jacinto Quadrangle, Cactus Valley 640 Comment
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Mar 20 2011
  UCR110960  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp 1998-6-27 4088 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  CAS-BOT-BC301789  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  POM229013  Eriophyllum wallacei P. A. Munz 1937-5-30 15108 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  SD124900  Eriophyllum wallacei Scott Cantrell 1986-3-28 91 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 519 Comment
  UCR98698  Erodium botrys S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR104888  Erodium brachycarpum A. C. Sanders 1997-3-19 20013 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  JOTR32133  Erodium cicutarium La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2289 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  RSA668341  Erodium cicutarium C. R. Annable 1995-3-16 2288 Riverside 4 km W of Chiriaco Summit and 0.8km N of Interstate 10. Comment
  SEINET4557895  Erodium cicutarium Naomi Fraga, David Fraker, Tommy Stoughton 2012-1 3951 Riverside Mojave Desert; Southcentral Mojave Desert region: Off of Box Canyon Rd. S. of Shaver Well in wash 229 Comment
  RSA391827  Erodium cicutarium Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  UCR249924  Erodium trifolium A. C. Sanders, Steve Boyd 2009-4-9 36793 Riverside Riverside, Beechwood Place between Brockton Ave. and Palm Ave. 252 Comment
  UCR132923  Erysimum capitatum 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
  SD186338  Erythranthe cardinalis Andy C. Sanders 2005-6-15 30953 Riverside 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. NW of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 640 Comment
  CAS-BOT-BC9463  Erythranthe diffusa Philip Alexander Munz; Ivan Murray Johnston 1922-5-20 5467 Riverside Kenworthy THomas Valley 1463 Comment
  RSA0020248  Erythranthe floribunda Mary F. Spencer 1919-7-1 1239 Riverside Idyllwild. 1616 Comment
  RSA0018798  Erythranthe guttata N. C. Cooper 1949-6-29 4317 Riverside Hemet Lake, San Jacinto Mt. 1524 Comment
  JOTR37469  Eschscholzia androuxii Hodges, Stephen, T. Green 2016-5-5 591 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  RSA0022958  Eschscholzia androuxii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4300 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  JEPS29481  Eschscholzia minutiflora Lauramay T. Dempster 1962-4-17 1888 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  RSA191741  Eschscholzia minutiflora Robert F. Thorne 1963-3-29 32407 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA66747  Eschscholzia minutiflora F. W. Peirson 1921-3-20 4175 Riverside Andreas Canyon near Palm Springs 213 Comment
  UCR75085  Eschscholzia minutiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12146 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC83128  Eschscholzia minutiflora Carl B. Wolf 1932-4-29 3106 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 miles south of Browns Weel. 243 Comment
  SD49372  Eschscholzia papastillii Thomas W. Whitaker 1958-4-30 Riverside Box Canon, midway between Mecca and Shaver Well Comment
  UCD96470  Eschscholzia papastillii Shannon M. Still 2009-2-21 435 -A Riverside California. Riverside County. 168 Comment
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Sep 2 2017
  HSC83079  Eschscholzia parishii A. C. Sanders, Charlton, Pitzer, Stewart 1986-3-2 6061 Riverside Graham Pass, between the chuckwalla and Little Chuckwalla Mtns. 503 Comment
  RSA4901  Eschscholzia parishii Carl B. Wolf 1932-4-27 3017 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SD260096  Eschscholzia parishii J. Andre 2012-4-11 20783 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  UC855186  Eschscholzia parishii Ivan Johnston 1917-4-4 1003 Riverside Palm Canyon Colorado Desert 304 Comment
  UCR104810  Eschscholzia parishii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2735 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR4234  Eschscholzia parishii K. S. Gill 1965-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Canyon 5 mi north of Hwy 60 610 Comment
  UCSB42164  Eschscholzia parishii Roos, John 1966-3-26 Riverside 2 miles S.E. of Desert Center Comment
  SEINET10839084  Eschscholzia parishii David Charlton 1988-2-18 Charlton 1152 Riverside Alluvial fan, s side of little san bernardino mtns. Fargo canyon rd. To Cottonwood wash, s of joshua tree national park, parallel to i-10. Creosote Bush scrub. 5 Miles e of jct. Dillon rd. And fargo cyn rd. Stable and disturbed Upper bajada with encelia, larrea; uncommon yellow flowered perennial 762 Comment
  SDSU13534  Eucalyptus globulus W. Miller with C. Mosse Riverside Comment
  RSA180274  Eucrypta chrysanthemifolia E. W. Lathrop 1965-5-18 5753 Riverside 8 miles W of Murrieta. 610 Comment
  RSA525423  Eucrypta chrysanthemifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4531 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCD119344  Eucrypta chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 1/4 mile w. of Aguanga. Comment
  SD241045  Eucrypta micrantha Dave Silverman, Onkar Singh 2010-3-27 7865 Riverside McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, W of A Canal/Levee Blvd, and ca. 7 km N of Blythe Airport. 135 Comment
  UCD103372  Eulobus californicus Geoffrey Levin 1976-3-27 690 Riverside Chino Canyon. West of Palm Springs. San Jacinto Mountains. 396 Comment
  UCR262449  Euphorbia albomarginata John F. Green 2015-6-23 615- 03 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  GMDRC5490  Euphorbia eriantha J. Andre 2012-4-16 20920 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 3.1 mi. north of South Entrance, 4.1 mi. north of I-10 788 Comment
  JOTR35154  Euphorbia eriantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3266 Riverside Joshua Tree National Park. West Cottonwood Mountains; side canyon feeding into east Pinkham Wash; steep, cobbley, east facing slope above bouldery canyon (Stop 5) Comment
  UCR260828  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-3-10 41375 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  SDSU21594  Euphorbia micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, ca. 2.6 air miles west of Priests Well, and ca. 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR128427  Euphorbia nutans A. C. Sanders 2003-10-17 27353 Riverside San Bernardino Valley Region, Riverside, 3rd St. west of Chicago Ave. 287 Comment
  SDSU17490  Euphorbia peplus Jerry Jenkins 2001-3-31 2001 -011 Riverside Santa Margarita Ecological Reserve. Edge of avacado grove west of station and just above river. UTM zone 6, 481900E, 3699200N. UTM transfered to GIS. Comment
  UCR193879  Euphorbia serpillifolia A. C. Sanders, Mitch Provance 2008-7-11 35770 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR201617  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  OBI29470  Euphorbia setiloba David J. Keil, Melissa Luckow 1979-8-31 13154 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  RSA343863  Euphorbia spathulata R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60654 Riverside Santa Rosa Plateau: Mesa de Colorado. 625 Comment
  CAS-BOT-BC334203  Eysenhardtia O. F. Clarke 2010-1-29 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  JOTR31776  Fagonia laevis La Doux, Tasha, Jim Andre 2009-3-10 385 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  JOTR31937  Fagonia laevis La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2175 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  RSA0042384  Fagonia pachyacantha Duncan S. Bell, LeRoy Gross 2014-3-13 6233 Riverside Orocopia Mountains; southern section of range; approximately 1.75 west northwest of Clemens Well. 293 Comment
  POM83354  Ferocactus cylindraceus var. cylindraceus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  SD136959  Festuca arundinacea Steve Boyd 1985-7-23 1016 B Riverside De Luz Road, 8 miles west of Rancho California; side canyon of Sandia Creek 305 Comment
  SBBG103914  Festuca microstachys var. microstachys S. D. White 1993-4-20 1216 a Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR158273  Festuca myuros A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29500 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
  UCR2409  Festuca myuros F. M. Reed 1926-6-14 59 Riverside San Jacinto Mtns., Banning Road near Point View [=Vista Grande?], west of Idyllwild 1768 Comment
  LA13070  Festuca octoflora A. M. Johnson; 1932-3-19 3885 Riverside below Palm Springs Comment
  RSA387341  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA272184  Filago californica C. W. Tilforth 1978-4-30 1581 b Riverside Low, rounded hills east of Norco Comment
  UCR20728  Filago californica A. C. Sanders, Steve Boyd 1980-5-2 1405 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM9583  Filago californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  UCR177862  Filago depressa Marisa Sripracha, K. A. Boyd 2004-3-21 044 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR156088  Filago gallica T. B. Salvato, Kent Beaman 2005-5-16 798 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
  RSA296220  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley Street between Riverside and Corona, 3/10 mile north of Hwy. 91 and about 100 yards west of McKinley in a weedy, abandoned squash field 305 Comment
  UCR114811  Foeniculum vulgare Mitch Provance 1998-7-23 913 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  SD173101  Forestiera neomexicana Juergen Schrenk 2005-4-2 17 Riverside Northern Anza Borrego Desert, White Wash Comment
  UC922772  Forestiera pubescens Annie M. Alexander and Louise Kellogg 1940-3-21 891 Riverside 20 mi s Twenty Nine Palms (Parker Dam, end of road); Mohave Desert, Parker Dam 1322 Comment
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May 14 2011
  RSA0018454  Frangula californica subsp. cuspidata D. Charlton 1988-5-21 1974 Riverside Thomas Mountain Road, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74. 1829 Comment
  SD211612  Frankenia salina Justin M. Wood 2008-10-29 209 Riverside Southwest Perris Basin: Murrieta Creek - 2 miles Southeast of Murrieta, open field North of Winchester Road and between the creek and Jefferson Avenue. (Murrietta) 313 Comment
  SEINET156544  Frasera parryi Norman C. Cooper 1944-7-15 1583 Riverside Palms to Pines Hwy. 1280 Comment
  CAS-BOT-BC520432  Fumaria officinalis O. F. Clarke 2004-3-13 s.n. Riverside Peninsular Range: Riverside: O.F. Clarke residence, 266 Frost Court, E edge of UCR campus 350 Comment
  RSA569000  Funastrum cynanchoides var. hartwegii M. B. Dunkle 1935-4-17 s.n. Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  SD144078  Funastrum heterophyllum Scott D. White 1997-5-25 14407 Riverside San Jacinto Mts.: Bautista Canyon: along Bautista Cyn Rd. ca. 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43). 700 Comment
  POM122774  Funastrum hirtellum Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA778257  Funastrum hirtellum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 923 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR232069  Gaillardia pulchella John F. Green 2008-4-24 13- 03 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCD121580  Galium angustifolium A. C. Sanders 2004-4-20 27526 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  UCR133113  Galium angustifolium 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
  UCR202327  Galium angustifolium Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  SEINET11171281  Galium angustifolium H. M. Hall 1944-6-3 s.n. Riverside Riverside Comment
  JEPS56081  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-18 4137 Riverside junction Route 71 and Route 74 San Jacinto Mountains, Paradise Valley (s end of mts) Comment
  JEPS7848  Galium angustifolium subsp. angustifolium W. L. Jepson May 17 1901-Jun 1 1901 1225 Riverside Riverside Comment
  RSA180292  Galium angustifolium subsp. angustifolium E. W. Lathrop 1965-4-25 5693 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  RSA209589  Galium angustifolium subsp. angustifolium R. P. Sunderman 1968-4-26 s.n. Riverside UCR campus. 396 Comment
  RSA655109  Galium angustifolium subsp. angustifolium Scott D. White 1999-7-9 7537 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  SBBG68828  Galium angustifolium subsp. angustifolium R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  RSA594040  Galium angustifolium subsp. gracillimum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 929 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UC1925782  Galium aparine Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1282 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  RSA739708  Galium porrigens var. porrigens A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35643 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  SD70520  Galium porrigens var. porrigens Lauramay T. Dempster, G. Ledyard Stebbins 1966-6-17 4240 Riverside Poppet Flat at Keyes Drive, San Jacinto Mountains 1096 Comment
  JEPS29087  Garrya flavescens Carl V. Meyer Jun 1927 183 Riverside along Idyllwild to Tahquitz Peak trail (n slope of Tahquitz Ridge); Tahquitz Ridge 1828 Comment
  RSA570550  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  UC1122655  Garrya flavescens A. Lewis 1934-3-1 358 Riverside Hagador Canyon; Cleveland National Forest, Corona Quad. 1074 Comment
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Dec 11 2011
  UCSB42181  Garrya flavescens Roos, John 1966-4-23 Riverside Skyline Drive; Santa Ana Mtns; above Corona Comment
  UCR26712  Gastridium ventricosum Frank C. Vasek 1980-6-10 800610- 02 Riverside Greenhouse at UC Riverside from clay collected in a vernal pool near San Diego, Calif. Comment
  PASA409  Geraea canescens 1926-2-21 Riverside Thousand Palms Comment
  UCD132579  Geraea canescens Francis M. Ball 1964-2-15 66 -21 Riverside 2 miles north of 1000 Palms. Comment
  UCD132590  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi. se. of Thousand Palms. 15 Comment
  UCSB25705  Geranium californicum Gliessman, Stephen 1968-7-11 Riverside at Deer Springs; San Jacinto Mountains 2560 Comment
  RSA0028449  Geranium dissectum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55224 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA598677  Geranium richardsonii Louis C. Wheeler 1948-8-28 6701 Riverside San Jacinto Mountains. Wellman's Cienega. 2896 Comment
  SD260997  Gilia Andrew 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 (Idyllwild 7.5'Q) 1500 Comment
  UCR241231  Gilia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 14 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA606301  Gilia angelensis Jon E. Keeley 1994-4-22 25325 Riverside Shipley Reserve 670 Comment
  RSA785866  Gilia angelensis Doris Bowers 1972-4-15 1839 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  SBBG101794  Gilia angelensis S. Boyd with T. Ross, M. Hammitt 1991-5-2 6031 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
  SEINET7073399  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR121684  Gilia angelensis D. E. Bramlet 1989-4-7 1816 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, south of Lake Skinner, 4700 ft. west of Old Warren Rd. and 1700 ft. south of the E-W access road 488 Comment
  UCR241837  Gilia angelensis A. C. Sanders, Timothy W. Chumley 2013-4-2 40738 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  CHSC35470  Gilia capitata subsp. abrotanifolia James Henrickson 1973-3-18 8597 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA748919  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Agua Tibia Wilderness Area, 2.4 mi. (air) WSW of Radec 622 Comment
  UCSB54147  Gilia capitata subsp. abrotanifolia Brownell, Kathleen 1980-5-16 Riverside 2 mi. W. on Murieta Rd. from DeLuz Rd.; Santa Ana Mts. Comment
  RSA67337  Gilia diegensis J. Rattenbury 1949-4-28 172 Riverside Nera Pinyon Flat Public Camp on Hwy 174, north of Mt. Santa Rosa. 1220 Comment
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Sep 4 2011
  UCR61101  Gilia diegensis Steve Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2269 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR70892  Gilia diegensis Steve Boyd, D. E. Bramlet 1990-4-29 4513 Riverside Peninsular Range, Vail Lake area, benches along Kolb Creek, west of Dripping Springs, N and south of Hwy 79. 488 Comment
  RSA0054867  Gilia gilioides subsp. glutinosa Keith E. Hoffmaster 1937-6-6 780 Riverside San Jacinto Mts, along Palms to Pines road. Comment
  CAS-BOT-BC407611  Gilia ochroleuca subsp. exilis M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2953 Riverside Temescal Canyon Rd., ca. 1 mile SE of Glenn Ivy Hotsprings Rd., ca. 200 m from RR overpass. 259 Comment
  CAS-BOT-BC407622  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside Temescal Canyon, near auto camp 304 Comment
  RSA0016238  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4728 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG101670  Gilia ochroleuca subsp. exilis S. Boyd 1991-5-20 6278 Riverside NW of Lake Elsinore; lower Rice Cyn 0.5 mi E of Cleveland Nat Forest boundary 518 Comment
  UCR62327  Gilia sinuata Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  SEINET4042358  Gilia splendens C. Davidson 1975-1 2813 Riverside 5.4 miles north of alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  HSC87144  Gilia stellata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2111 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA469734  Gilia stellata M. B. Dunkle 1937-3-25 4955 Riverside Dry Morongo. Comment
  RSA470045  Gilia stellata Robert Gustafson 1983-3-27 2490 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  RSA49356  Gilia stellata P. A. Munz 1949-4-11 13010 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  RSA776630  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 944 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SD20331  Gilia stellata L. Haines, L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay. Comment
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Dec 17 2011
  UC908859  Gilia stellata Herbert L. Mason 1928-3-11 4249 Riverside along road between Indio and Palm Springs (Colorado Desert); , btw Indio and Palm Springs Comment
  RSA0121577  Gilia virgata Reed 1903-7-5 s.n. Riverside Bluff's Ranch. Comment
  UC73217  Glycyrrhiza lepidota Miss M. Alice King May, 1893 Riverside Elsinore River Comment
  UCR202422  Gnaphalium californicum Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  SEINET7063461  Gnaphalium canescens A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  UCR114610  Gnaphalium canescens subsp. microcephalum Mitch Provance 1997-7-19 1106 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area of the city of Riverside. 305 Comment
  UCR156463  Gnaphalium luteoalbum T. B. Salvato, A. C. Sanders 2005-5-17 889 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
  RSA855  Gnaphalium microcephalum J. T. Howell 1928-7-7 1033 Riverside Near Glen Ivy. 457 Comment
  UC64146  Gnaphalium palustre H. M. Hall 1897-8-11 812 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2743 Comment
  UCR266320  Gnaphalium palustre D. E. Bramlet 1991-6-1 2191 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W Florida Ave. at EMWD canal 457 Comment
  UCR34921  Gnaphalium palustre L. B. Ziegler 1967-8-2 204 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  UCR88546  Gnaphalium stramineum A. C. Sanders, J. C. Lyman 1995-4-16 16565 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  JOTR31077  Grayia spinosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2339 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UC1213974  Gutierrezia microcephala Otto T. Solbrig 1958-8-1 2807 Riverside Morongo Valley Riverside/San Bernardino County line; data in packet says It grows in the canyons and more rocky places. Not in low elevations. Comment
  POM253549  Gutierrezia sarothrae Thos Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  UC1118605  Gutierrezia sarothrae A. Lewis 1934-5-1 459 Riverside Leach Canyon Cleveland National Forest, Elsinore Quadrangle Comment
  UC2029948  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR167790  Hedypnois cretica T. B. Salvato, Gregg Miller 2005-6-3 1383 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  UCR230607  Hedypnois cretica A. C. Sanders, Nathan Moorhatch 2011-3-22 38777 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  RSA0065453  Helianthemum scoparium var. aldersonii M. P. Harthill 1976-5-6 s.n. Riverside Rancho Calif. [Rancho California] 609 Comment
  RSA487432  Helianthemum scoparium var. vulgare Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA598425  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris: Nuevo Road at edge of irrigated alfalfa field, just E of San Jacinto River crossing. 435 Comment
  RSA33632  Helianthus gracilentus N. C. Cooper 1944-7-15 1608 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UCR250136  Helianthus gracilentus Dick Newell, Judy Booth 2013-11-24 343 Riverside Peninsular Range; Santa Ana Mtns., North Main Divide Road, Cleveland National Forest, 0.5 mi. east of Orange Co. line 825 Comment
  UCR280917  Helianthus gracilentus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 27 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  CAS-BOT-BC305798  Helianthus petiolaris Katherine Esau 1935-6-15 s.n. Riverside Hemet Valley Comment
  UC218032  Heliotropium curassavicum P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4880 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UCR264605  Heliotropium curassavicum var. oculatum Mitch Provance 2012-6-19 196- 12 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA597061  Hemizonia paniculata D. L. Banks, Lauren Raz 1996-11-5 1156 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA727715  Hemizonia paniculata R. E. Riefner 2006-9-19 06 -444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  IRVC29255  Hemizonia pungens subsp. laevis Kay Stockwell 1999-6-6 s.n. Riverside Warm Springs Creek, Murrieta; 0.5 mi. south of Murrieta Hot Springs Road 320 Comment
  UCR213883  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13351 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  CLARK-A1528-2176  Hemizonia tenella John C. Roos 1952-7-19 5816 Riverside Santa Ana Mountains 761 Comment
  UCR225452  Herniaria hirsuta A. C. Sanders, T. B. Salvato 2011-3-29 38853 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  HSC101254  Hesperocallis undulata Jim Andre 2012-3-19 21357 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  SEINET3886959  Hesperocallis undulata Elizabeth Neese 1979-4-11 7107 Riverside Ca 3 mi S of Rue, ca 40 mi NW of Blythe.; 0 Comment
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Jul 19 2015
  UCR79212  Hesperolinon micranthum Steve Boyd, T. S. Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  SD136992  Hesperoyucca whipplei Steve Boyd, Tim Ross 1992-5-4 7200 Riverside Southern Santa Ana Mountains; San Mateo County Wilderness Area; Oak flats area east of Verduga Potrero. 730 Comment
  SEINET3412083  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  UCR177705  Heteromeles arbutifolia var. cerina Michael Wall 1996-1-5 117 Riverside Peninsular Range; San Jacinto Mtns., southeast of Hemet along Bautista Canyon Rd, south of Hwy 74, 6.3 mi SE of Fariview Avenue. 610 Comment
  RSA702046  Heterotheca sessiliflora subsp. echioides Scott D. White, Angelia Carey 2004-9-16 10755 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
  UCR180226  Hibiscus denudatus Scott D. White, Pam Devries 2006-3-14 11252 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  HSC27201  Hilaria rigida J. P. Smith, J. O. Sawyer 1973-6-10 6887 Riverside Joshua Tree National Monument. Comment
  SEINET6654966  Hoffmannseggia densiflora Sears 1977-10-12 S 583 Riverside 20 miles East of Desert Center, 10 miles East of Corn Springs exit.; 0 134 Comment
  UCSB18783  Hoffmannseggia microphylla Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 32.2 miles W of Desert Center 304 Comment
  UCD63683  Holodiscus discolor var. microphyllus D. Sanchez-Mata; Richard Halsey 2006-6-28 s.n. Riverside Corona. Cleveland National Forest. Santa Ana Mountains. Indian Truck Trail from Corona. 1110 Comment
  SD262166  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 19 Riverside Elsinore Trought: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- 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
  CAS-BOT-BC273469  Hordeum intercedens Mitch Provance 2005-5-17 6554 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA651805  Hordeum murinum subsp. glaucum L. E. Francois 1966-3-23 32366 -3 Riverside City of Riverside, southeast corner of lysimeters at U.S. Salinity Laboratory prorperty, located at 14th Street & Palm Avenue 289 Comment
  CAS-BOT-BC148570  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UCR220297  Horsfordia alata Dave Goodward 2005-2-27 s.n. Riverside Peninsular Range, Toro Canyon 366 Comment
  SD8848  Hulsea vestita subsp. callicarpha Bros. Parish Jun 1880 Riverside San Jacinto Comment
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Nov 29 2010
  CAS-BOT-BC312629  Hymenopappus filifolius var. lugens Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  SEINET269589  Hypochaeris glabra Scott White 1994-6-23 2092 Riverside San Gertudis Creek ca. 1 mi. E. of Skink Hollow. (Batchelor Mountian Quad.) 396 Comment
  UCR174062  Hypochaeris glabra A. C. Sanders 2006-5-19 32439 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
  UCR59691  Hypochaeris glabra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3532 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  CAS-BOT-BC158106  Hyptis emoryi W. R. O. 1974-6-28 0415 Riverside West Riverside Mnts in pass area Comment
  CAS-BOT-BC219762  Hyptis emoryi V. Newsom 1927-3-25 s.n. Riverside Painted Canyon, Colorado Desert Comment
  CHSC27888  Hyptis emoryi Mike Cecchini 1978-3-24 5 Riverside Palm Springs. Ca. 200 m s of Palm Canyon Wash and 5 m ne of the Broadmoor Dr. water tank, 3 km se of Palm Springs Municipal Airport. 315 Comment
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Feb 26 2008
  RSA167747  Hyptis emoryi Robert F. Thorne, Robert L. Rutherford 1964-4-10 33550 Riverside Palm Springs. 305 Comment
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Apr 25 2011
  RSA38873  Hyptis emoryi E. A. Purer 1933-3-25 4980 Riverside Palm Springs. Comment
  UCR102719  Hyptis emoryi B. G. Pitzer 1998-1-24 3405 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR96199  Hyptis emoryi B. G. Pitzer 1996-11-9 2923 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  CAS-BOT-BC274061  Imperata brevifolia H. E. Hasse 1913-11-22 s.n. Riverside Cienega in Chino Canon [Canyon], San Jacinto Mts Comment
  SEINET1907382  Ipomoea murucoides Robin Salter 1995-1 Riverside Riverside: tree in the yard of E. Johnson, Blaine Street at Mt. Vernon. Origin unknown, but this is an old house and the tree may have been there for some time. Comment
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Aug 19 2015
  RSA605788  Isocoma menziesii Scott D. White 1995-12-30 3802 Riverside Perris-Aguanga Basin region: Perris Basin, SW of Perris, above S bank of San Jacinto River. 441 Comment
  UCR250111  Isocoma menziesii A. C. Sanders 2014-4-9 41004 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  CAS-BOT-BC69864  Isoetes orcuttii Robert F. Thorne 1973-5-23 43853 Riverside Santa Rosa Plateau: N. side of Mesa de Colorado. 609 Comment
  UC1324899  Isomeris arborea H. U. Stauffer and R. F. Thorne 1964-5-5 5922 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  UC68553  Isomeris arborea H. M. Hall Apr 1905 5993 Riverside near Indio; Colorado Desert 60 Comment
  UCR33658  Isomeris arborea var. arborea Sears 1978-3-18 950 Riverside Sonoran (Colorado) Desert, foothills of the Orocopia Mtns, 10 mi NE of Durmid on Railroad road 305 Comment
  UCR96093  Iva axillaris G. R. Ballmer, K. T. Stockwell 1996-6-1 s.n. Riverside E of Murrieta: Warm Springs Creek c. 1/2 way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  UC217953  Iva axillaris subsp. robustior P. A. Munz 1922-7-3 5946 Riverside Vandeventer Flat; San Jacinto Mts. 1371 Comment
  UCR651  Juncus balticus S. C. Warner 1956-5-19 s.n. Riverside San Jacinto Mtns., 3 mi up Bautista Canyon Road, near San Jacinto 671 Comment
  RSA776702  Juncus bufonius Steve Boyd, Gary D. Wallace 2005-7-30 11643 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  UCR18439  Juncus bufonius J. Olmstead 1966-4-27 s.n. Riverside Santa Rosa Mtns, Deep Canyon drainage: Deep Canyon between road end and first falls 610 Comment
  UCR260557  Juncus bufonius T. B. Salvato, Matt Malle 2015-3-31 8101 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 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
  UCR174460  Juncus bufonius var. congestus A. C. Sanders, John F. Green 2006-5-18 32376 Riverside Peninsular Range, French Valley, NE of Murrieta Hot Springs, east shoulder of Winchester Rd. (Hwy 79) just south of Benton Rd. (+- at old Benton Rd.), 0.3 mi. ESE of Adobe Spring 407 Comment
  UC1971605  Juncus longistylis Scott D. White 1998-7-31 6952 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. Comment
  UCR24957  Juncus macrandrus A. C. Sanders 1980-8-21 1784 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  POM122518  Juncus mexicanus Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA781383  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR193376  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR164070  Juncus rugulosus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  RSA0086968  Juncus rugulosus H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. 541 Comment
  CHSC23326  Juncus tiehmii Robert F. Thorne; J. P. Simon, C. W. Tilforth 1969-6-24 38115 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon. 1676 Comment
  UCR60608  Juncus xiphioides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3690 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  UC1212184  Juniperus californica H. E. and S. T. Parks 1940-2-1 24176 Riverside Palms to Pines Hwy Santa Rosa Canyon 1066 Comment
  UC68658  Juniperus californica H. M. Hall May, 1905 6040 Riverside Cottonwood Pass Colorado Desert 670 Comment
  LA202780  Justicia californica Carl Epling; 1927-3-27 sn Riverside Palm Springs 121 Comment
  POM11223  Justicia californica E. A. McGregor 1917-3-18 731 Riverside 6 mi., Painted Canyon. Comment
  SEINET12316129  Justicia californica J. F. Bright, Wyman, C. 1933-1 8082 Riverside Mojave Desert near Palm Springs Comment
  JOTR30688  Kallstroemia californica La Doux, Tasha, Jim Andre 2008-9-13 262 Riverside Joshua Tree National Park. Pinto Basin along paved Hwy at Fried Liver Wash 548 Comment
  UCR245069  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  SEINET3079796 Image available Keckiella antirrhinoides Cindy Huebner 1988-4-17 8 -9 Riverside S of Riverside at Harford Springs County Park; Gavilan Road; 1 mi. E of Cajalco Road 732 Comment
  LA209278  Keckiella antirrhinoides var. antirrhinoides L. Haines; L. Erickson 1937-4-9 sn Riverside Riverside-Hemet road near Winchester turnoff Comment
  NY786548  Keckiella antirrhinoides var. antirrhinoides S. D. Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 670.6 Comment
  CAS-BOT-BC246204  Keckiella rothrockii H. M. Hall 1901-6-1 2588 Riverside Tahquitz Valley, San Jacinto Mts. 2499 Comment
  RSA498183  Keckiella rothrockii subsp. jacintensis Anstruther Davidson 1876-7-11 s.n. Riverside Mt. San Jacinto 2439 Comment
  POM17871  Keckiella ternata subsp. ternata Philip A. Munz, D. D. Keck 1923-6-14 7082 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  UC1132132  Koeleria macrantha H. S. Yates 1937-6-27 6714 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  UCD85970  Koeleria macrantha F. M. Reed 1924-4-20 5133 Riverside Kyle canon on Box Springs Mountain. 426 Comment
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May 1 2011
  UC17423  Krameria erecta H. M. Hall June, 1901 2114 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); borders of Colorado Desert, eastern base San Jacinto Mountai Comment
  JOTR29387  Krameria grayi La Doux, Tasha, Mike Bell 2006-5-10 1464 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCR41369  Krameria grayi N. M. Fellows, A. C. Sanders 1985-5-7 167 Riverside San Jacinto Mountains, 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 488 Comment
  UCR180576  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR256767  Lamarckia aurea T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7880 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCR3227  Lantana montevidensis V. L. McFarland 1964-3-27 640327- 3 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, residential garden west of 3356 Utah Avenue Comment
  CHSC104026  Larrea tridentata Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu,T. Thibault 2004-5-14 11236 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains regions: 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
  CLARK-A1528-4436  Larrea tridentata John C. Roos 1937-4-18 1354 Riverside Whitewater Comment
  JOTR36082  Larrea tridentata La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3310 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km South of Sunset Mine (STOP4). 475 Comment
  RSA137466  Larrea tridentata David Gregory 1960-3-20 359 Riverside Rocky gully, 6 mi. E. of Thousand Palms. Comment
  RSA390005  Larrea tridentata Albert J. Perkins 1916-4-16 s.n. Riverside Desert near Palm Springs. Comment
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Aug 27 2011
  SEINET7907983  Larrea tridentata D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  UCR228402  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 105 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  VVC519  Larrea tridentata W. W. Mayhew 1959-2-3 s.n. Riverside Colorado Desert, 10 miles east of Desert Center. 198 Comment
  CAS-BOT-BC338935  Lasthenia californica John H. Thomas 1957-3-29 6520 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  SD140185  Lasthenia californica Scott White 1993-4-20 1201 Riverside Estelle Peak, Gavilan Hills. Lake Mathews Quad. Comment
  SEINET2053249 Image available Lasthenia californica Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UC55102  Lasthenia coronaria H. M. Hall 1903-4-1 3787 Riverside vicinity of Riverside 396 Comment
  UCR114339  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR249820  Lasthenia coronaria T. B. Salvato, John Lovio 2013-3-19 7365 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR104636  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1996-4-12 2452 Riverside San Jacinto Wildlife Area. 46m S and 23m west of the N end of Pond No. 1. 1.4 km NE of the reserve at Davis rd. 433 Comment
  UCR162885  Lasthenia glabrata subsp. coulteri Fred M. Roberts 2005-3-3 6134 Riverside San Jacinto Valley, San Jacinto, south side of Ramona Expressway, 0.6km E jct Warren Rd 447 Comment
  UCR189566  Lasthenia glabrata subsp. coulteri Diane Menuz 2007-7-11 329 Riverside Peninsular Range, Perris Basin, San Jacinto Wildlife Area 436 Comment
  POM308571  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1940-3-15 3246 Riverside S of Corona Comment
  RSA586494  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-9 0325 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
  RSA736252  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  UCR199640  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCSB46693  Lasthenia gracilis Reed, Susan 1977-03 Riverside On the left side of Cajalco Rd., 1.5 miles west of Lake Matthews 365 Comment
  RSA501003  Lathyrus vestitus subsp. laetiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3121 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA524236  Lathyrus vestitus var. alefeldii Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3996 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JEPS40045  Layia platyglossa Marjorie Clary 1934-4-23 Riverside Hemet Valley 1371 Comment
  UCR20179  Layia platyglossa Jeanine Derby 1976-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., across Hwy 74, from Lake Hemet Store, north side of highway 1982 Comment
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Jan 8 2013
  UCR87641  Layia platyglossa A. C. Sanders 1994-5-29 14557 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  POM361705  Layia platyglossa subsp. campestris M. B. Dunkle 1935-3-10 4361 Riverside Temescal Canyon 243 Comment
  LA106896  Leersia oryzoides A. C. Sanders; w/ O. F. Clarke & C. N. P. S. field trip 11740 Riverside Fairmont Park, along Spring Brook between Lake Evans and the Santa Ana River, below the lake 50.0 Comment
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Feb 23 2014
  UCR95225  Lemna valdiviana D. L. Banks, E. H. Banks 1996-5-2 945 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  UCR41785  Lepidium chalepense Michele Tracy 1986-4-15 s.n. Riverside Perris-Aguanga Basin, near Hemet 549 Comment
  RSA594782  Lepidium densiflorum var. ramosum D. L. Banks, Dylan Hannon 1996-5-3 976 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric W facing slope, approximately 350 m SE of the Helipad at the upper camp sites. 539 Comment
  SBBG104068  Lepidium dictyotum A. C. Sanders 1993-4-1 13670 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  JOTR37452  Lepidium fremontii var. fremontii Hodges, Stephen, T. Green 2016-5-24 574 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  CAS-BOT-BC89585  Lepidium lasiocarpum Munz; Street; Williams 1919-3-25 2315 Riverside Palm Canyon, Palm Springs. 243 Comment
  CAS-BOT-BC89590  Lepidium lasiocarpum John H. Thomas 1957-3-30 6555 Riverside Colorado Desert. 8.1 miles east of Cactus City, about 20 miles east of Coachella. 426 Comment
  RSA543154  Lepidium lasiocarpum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6104 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
  RSA678339  Lepidium lasiocarpum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10476 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SEINET7248271  Lepidium lasiocarpum Duncan S. Bell, Deidre Conocchioli 2014-1 6229 Riverside Colorado Desert; Western Colorado Desert region: Santa Rosa Mountains; Devil's Canyon, northwest of Martinez Mountain. 207 Comment
  UCR112102  Lepidium lasiocarpum A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23353 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  CAS-BOT-BC13020  Lepidium virginicum Peter H. Raven; R. Snow 1957-7-26 11096 Riverside Banning-Idyllwild road, 0.9 mile north of Vista Grande Ranger Station, San Jacinto Mountains. Comment
  CLARK-A1045-92  Lepidium virginicum var. pubescens George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains originally ""at Deer Spring""; Lake Fulmor 7.5'Q Comment
  UCR16600  Lepidium virginicum var. pubescens Leland E. Francois 1966-4-3 4366- 6 Riverside Peninsular Range, south of Sun City, 3.4 mi west of Hwy 395 on Newport Road 439 Comment
  UCR106731  Lepidium virginicum var. robinsonii John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  POM253472  Lepidospartum squamatum Thos Craig, Frances Craig 1939-11 s.n. Riverside Near Aguanga. Comment
  POM361781  Lepidospartum squamatum L. C. Wheeler 1933-12-1 2279 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  SD137865  Lepidospartum squamatum Darin L. Banks, Steve Boyd 1995-10-17 777 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  RSA697078  Lepidospartum squamatum var. obtectum W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  UCR2518  Leptochloa uninervia F. M. Reed 1926-5-15 5342 Riverside Peninsular Range; Perris/Aguanga Basin Region, Menifee Valley, west of Menifee schoolhouse [which was at corner of corner of Newport and Bradley Roads] 457 Comment
  RSA0004786  Leptodactylon jaegeri E. C. Jaeger 1921-7-1 s.n. Riverside Tahquitz Peak, San Jacinto Mts. Comment
  CAS-BOT-BC227046  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  CAS-BOT-BC227049  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  SJSU8700  Leptosiphon lemmonii N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 4-5 mi E of Lake Elsinore 396 Comment
  UCR268304  Leptosiphon liniflorus Jim Andre 2012-6-15 30516 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  HSC85323  Leptosiphon parviflorus Steve Boyd 1986-4-2 1631 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SFV7333  Leptosyne californica T. Gordon, K. Kimbrough 1975-3-16 850 Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  SD232190  Lessingia glandulifera Scott D. White 2003-10-9 9822 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. Reportedly once site of a golf course, now abandoned. 1753 Comment
  RSA500532  Lessingia glandulifera var. glandulifera Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3629 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  POM47667  Leymus triticoides F. W. Peirson 1924-6-1 4678 Riverside River lands along Santa Ana River. 152 Comment
  RSA515325  Lilaea scilloides Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro, and NW of Mesa de la Punta. 610 Comment
  SEINET10839632  Lilium parryi John G. Lemmon 1879-1 Riverside Comment
  UC1873120  Limonium R. E. Riefner Jr. 06 -398 Riverside Corona-La Sierra area, vicinity of Green River Road and Palisades Drive 15 Comment
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Nov 20 2010
  UCR115943  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA784829  Linanthus J. D. Olmsted 1962-6-23 5243 Riverside SE San Bernardino Mtns: At first switchback out of Banning Water Canyon towards Gunsight Pass and Raywood Flat. 1555 Comment
  UCR1542  Linanthus androsaceus R. L. Irwin 1962-5-8 0066 Riverside on N. slope of hill behind the agriculture station at U.C.R 412 Comment
  UCR79274  Linanthus androsaceus subsp. luteolus Steve Boyd, T. S. Ross 1992-5-5 7241 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 793 Comment
  UCR88648  Linanthus bigelovii A. C. Sanders 1995-4-13 16503 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  RSA511356  Linanthus californicus B. Pitzer, E. Misquez 1988-3-20 667 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  RSA773182  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-27 1133 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  UCSB42105  Linanthus filiformis Roos, John 1958-3-15 Riverside 3 miles S.E. of Desert Center, Chuckwalla Mtns. Comment
  UC150147  Linanthus floribundus subsp. hallii A. Davidson, M. D. 1902-5-1 Riverside Martinez Canyon Thermal Comment
  RSA776237  Linanthus jonesii Duncan S. Bell 2010-3-20 605 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SD231405  Linanthus jonesii J. Mark Porter, Sara DeGroot 2005-3-9 14247 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 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
  RSA783377  Linanthus nuttallii J. D. Olmsted 1959-4-17 416 Riverside Hagador Canyon 1/4 mile downstream from old tin mine along trail for water supply southwest of Corona 427 Comment
  UCR18064  Linanthus pygmaeus O. F. Clarke 1967-5-2 s.n. Riverside Pigeon Pass in the Box Springs Mtns behind UC Riverside campus 610 Comment
  UCR220330  Linanthus pygmaeus D. E. Bramlet 1992-5-8 2268 Riverside Peninsular Range; Perris-Aguanga Basin Region, East Benton Road at Tucalota Creek, east of Lake Skinner 514 Comment
  UCR269921  Linaria canadensis Daphne K. Christopher, Hannah I. Stevens 2003-4-3 077 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UCR80801  Linum lewisii var. lewisii Scott D. White 1993-5-29 1472 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  SEINET3246220  Lithophragma A. C. Sanders 1997-1 20158 Riverside Lake Skinner area: near north foot of Black Mountains, slopes S of Crown Valley. 655 Comment
  POM8008  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-2 3569 Riverside Ford's well, west of Blythe. 305 Comment
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Dec 13 2016
  RSA676084  Loeseliastrum schottii Scott D. White 2001-4-12 8315 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA77059  Loeseliastrum schottii F. W. Peirson 1914-04 953 Riverside Whitewater at head of Coachella Valley. Comment
  UCR87617  Logfia filaginoides A. C. Sanders 1994-5-30 14613 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR91674  Logfia filaginoides Steve Boyd 1995-4-5 8423 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
  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
  UCSB38672  Lomatium mohavense Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S adn W on Hwy 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Bernardino National Forest 1180 Comment
  UC56509  Lomatium utriculatum H. M. Hall May, 1901 Riverside West Riverside Comment
  JEPS24238  Lonicera interrupta Peter H. Raven 1958-5-17 12950 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  SBBG95112  Lonicera interrupta S. D. White 1990-7-10 Riverside E Millard Cyn, on the rd to Kitching Peak Trail 1127 Comment
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Sep 8 2014
  SEINET10883989  Lonicera interrupta Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 128 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. 1298 Comment
  CAS-BOT-BC234806  Lonicera subspicata H. E. McMinn 1925-7-2 1512 Riverside Tahquitz Trail - Sasn Jacinto Mts Comment
  POM296448  Lonicera subspicata Lyman Benson 1945-11-10 11912 Riverside 5 miles east of Temecula. 457 Comment
  SEINET3815175  Lophocereus schottii John L. Anderson, Duncan Bell and Kim Clark 2013-1 Riverside Comment
  RSA703416  Lotus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1446 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR51360  Lotus argophyllus B. G. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  RSA678443  Lotus hamatus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10499 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  JEPS55489  Lotus heermannii W. L. Jepson 1903-8-7 2288 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  POM319688  Lotus heermannii Patricia Wilder 1971-9-29 5266 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. Base of the San Jacintos. 518 Comment
  RSA0029409  Lotus heermannii John F. Emmel 1995-8-6 1388 Riverside West Ridge, SW of Idyllwild. 1585 Comment
  UCR101420  Lotus humistratus A. C. Sanders, G. Helmkamp 1997-3-15 20001 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  POM12088  Lotus nevadensis var. nevadensis Mary F. Spencer 1921-6-2 89 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  RSA406172  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-20 3702 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  CLARK-A1656-715  Lotus rigidus unknown 1981-3-14 Riverside Coachella Valley Comment
  RSA659785  Lotus salsuginosus J. C. Roos, L. Roos 1952-5-19 5694 Riverside On hills north of Moreno. Comment
  UCR163140  Lotus salsuginosus A. C. Sanders 1997-3-19 20045 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  CSUSB1263  Lotus scoparius A. P. Donaldson 1966-4-9 Riverside Collected by the roadside about 30 yards off 6.7 miles from turnoff to Hemet from Highway 60. 365 Comment
  RSA775494  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4412 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
  JEPS55856  Lotus strigosus W. L. Jepson 1901-5-17 1227 a Riverside Riverside 266 Comment
  RSA203059  Lotus strigosus James Henrickson 1967-4-30 2561 Riverside 2 miles N of Lake Elsinore. 396 Comment
  RSA571312  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8261 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  RSA775600  Lotus strigosus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 991 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA792569  Lotus strigosus Justin M. Wood 2011-4-4 3399 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR16273  Lotus strigosus S. Nelson 1974-5-2 s.n. Riverside San Bernardino Mtns., Banning Canyon 1524 Comment
  UCR260582  Lotus strigosus A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41534 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  POM172735  Lotus strigosus var. hirtellus M. French Gilman 1930-4-6 5 -a Riverside [Monsen] Canyon, Eagle Mts. Comment
  RSA523473  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA406377  Lotus tomentellus M. B. Dunkle 1933-5-6 3447 Riverside Painted Canyon. Comment
  RSA607582  Lupinus arizonicus R. S. Woglum 1939-4-11 2204 a Riverside Sonora Desert: Desert Center. Comment
  SEINET6180890  Lupinus arizonicus David B. Dunn 1946-3-16 2060 Riverside Collected on dry plateau 1/2 mile Northeast of Pushawalla Palms (Springs). Indio Hills.; 0 Comment
  UCR104025  Lupinus arizonicus George K. Helmkamp, E. A. Helmkamp 1998-2-5 2678 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR148318  Lupinus arizonicus John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR233175A  Lupinus arizonicus Jim Andre, Glenn L. Clifton 2011-2-22 17433 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  SEINET10490537  Lupinus arizonicus subsp. arizonicus David B. Dunn 1946-2-22 Dunn 1965 Riverside In mud flats dry, caked and split. All american canal catch basin from desert Washes. Oracopia mountains ne of the saltan sea. Very arid country Comment
  RSA502901  Lupinus bicolor Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  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
  SD8499  Lupinus bicolor Daniel Cleveland 1882-4-14 Riverside Temecula Comment
  UCR241943  Lupinus bicolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40742 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  POM24303  Lupinus bicolor subsp. tridentatus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA793013  Lupinus concinnus Justin M. Wood 2011-4-4 3391 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR38116  Lupinus concinnus J. M. Stewart 1985-3-16 8510 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA195700  Lupinus concinnus subsp. optatus C. R. Gunn 1963-5-29 2630 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  SEINET2062854 Image available Lupinus excubitus Howard S. Gentry 1954-7-27 14258 Riverside Dripping Springs along route 79 Comment
  CAS-BOT-BC205387  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  RSA526163  Lupinus excubitus var. hallii Steve Boyd, T. S. Ross 1990-5-11 4666 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  POM24329  Lupinus hirsutissimus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 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
  UCR84944  Lupinus hirsutissimus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16231 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SD185223  Lupinus microcarpus T. B. Salvato, Kent Beaman 2005-5-16 807 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  RSA702747  Lupinus sparsiflorus Scott D. White, Michael Honer 2004-4-6 10041 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
  UC1506127  Lupinus sparsiflorus R. T. and J. M. Clausen 1963-4-27 63075 Riverside se Winchester; se of Winchester 680 Comment
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Mar 20 2011
  UCR4139  Lupinus sparsiflorus Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  RSA314646  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55442 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA516430  Lupinus sparsiflorus subsp. sparsiflorus Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4438 Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  RSA414401  Lupinus truncatus M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  RSA673477  Lupinus truncatus Scott D. White, Tasha La Doux 2000-4-20 7694 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UC1537127  Lupinus truncatus Gordon H. True Jr. 1935-3-1 99 Riverside Gavilan Hills 609 Comment
  UCR214127  Lupinus truncatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37734 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  POM48592  Luzula comosa Mary F. Spencer 1919-7-19 1197 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR24928  Luzula comosa A. C. Sanders 1980-8-23 1757 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UC843082  Luzula comosa var. laxa P. A. Munz 1922-7-6 6000 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  CAS-BOT-BC231412  Lycium andersonii J. C. Roos 1966-2-12 s.n. Riverside 2 miles east of Desert Center Comment
  CAS-BOT-BC231421  Lycium andersonii F. M. Reed 1905-12-25 862 Riverside Gavilan Hills region. 2 mi. sw. of Ferris 426 Comment
  CLARK-A1045-144  Lycium andersonii George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  UCR216218  Lycium andersonii Jim Andre, T. La Doux 2009-2-25 10893 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCSB23131  Lycium andersonii McMinn, Howard 1937-3-5 Riverside About 4 miles north of highway from Mecca to Desert Center in Cottonwood Mts Comment
  RSA702050  Machaeranthera asteroides Scott D. White, Angelia Carey 2004-9-16 10764 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA607407  Machaeranthera canescens var. ziegleri R. S. Woglum 1937-10-20 1187 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  RSA524593  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3908 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  LA41780  Malacothamnus fasciculatus var. fasciculatus Louis C. Wheeler; 1931-10-4 218 Riverside San Jacinto Mountains, Hemet-Idyllwild rd Comment
  HSC5999  Malacothrix californica C. L. Hitchcock 1966-3-21 24329 Riverside About 15 mi. S of Rice, on dirt road to Blythe. Comment
  POM13249  Malacothrix clevelandii P. A. Munz, I. M. Johnston 1922-5-19 5347 Riverside 5 miles NE of Murietta. 457 Comment
  RSA586732  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-17 0455 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  CAS-BOT-BC347682  Malacothrix glabrata Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  CAS-BOT-BC347708  Malacothrix glabrata Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6452 Riverside Rice Valley, 12.3 miles south of Rice 274 Comment
  RSA25142  Malacothrix glabrata C. L. Hitchcock 1940-4-3 5929 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA510054  Malacothrix glabrata B. Pitzer 1988-3-10 654 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UC1923763  Malacothrix glabrata John L. Strother 2008-3-10 1369 Riverside ca 18 km (11 mi) W of Chiriaco Summit , along N frontage of I-10 420 Comment
  UC75864  Malacothrix glabrata Miss M. Alice King April, 1893 Riverside Menifee Comment
  UCR89560  Malacothrix glabrata George K. Helmkamp 1994-3-10 42 7 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
  SEINET11799396  Malacothrix glabrata Unknown 1933-1 8052 Riverside Banning Comment
  SEINET11799397  Malacothrix glabrata Unknown 1936-1 12871 Riverside Colorado Desert, N of Palm Springs Comment
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Oct 7 2017
  UCR270750  Malacothrix saxatilis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8363 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  CAS-BOT-BC347893  Malacothrix saxatilis var. tenuifolia Greata 1906-5-1 487 Riverside Yucaipe [Yucaipa] Comment
  CAS-BOT-BC348026  Malacothrix stebbinsii Carl B. Wolf 1941-4-28 10092 Riverside Mojave Desert. S. base of Old Dad-Granite Mt. Range. Mouth of Willow Spring Canyon 1219 Comment
  UC1922057  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA0105864  Malva parviflora Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  RSA78373  Malva parviflora J. C. Roos, L. Roos 1951-5-5 5034 Riverside Fairmont Park 274 Comment
  POM286349  Mammillaria dioica Lyman Benson 1949-3-28 13558 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  RSA180304  Marah macrocarpa E. W. Lathrop 1965-4-4 5623 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA0123706  Marina orcuttii Duncan S. Bell, Thomas Stoughton 2016-4-13 9240 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1424 Comment
  RSA0099447  Marina parryi Duncan S. Bell, Evan Meyer 2014-10-29 7693 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
  RSA404236  Marina parryi M. B. Dunkle 1935-3-30 4424 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA498353  Marina parryi Robert L. Dressler 1949-3-19 411 Riverside Box Canyon, Orocopia Mts. Comment
  RSA799928  Marina parryi Justin M. Wood, D. M. Ray 2011-4-28 3840 Riverside Sonoran Desert: Chuckwalla Valley: 4.2 miles southeast of Kaisers Eagle Mountain Mine, west of Kaiser Road on T-line road where it crosses over small hill. 257 Comment
  UCR237511  Marina parryi Amber Swanson 2011-3-19 242 Riverside Mojave Desert, west of Eagle Mountain Road to Railroad Tracks c. 5 mi north of Hwy I10 307 Comment
  UCR90323  Marina parryi Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  UCSB3069  Marina parryi Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  SBBG121984  Marrubium vulgare S. D. White, A. Carey 2004-5-7 10335 Riverside Indian Crk and adjacent foothills 549 Comment
  CDA10742  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region; S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. Comment
  SD186095  Matricaria occidentalis A. C. Sanders 2003-5-9 26580 Riverside West of Hemet, west edge of Warren Road, just north of Highway 74. 456 Comment
  UCR230200  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  RSA652171  Medicago polymorpha W. H. Grady 1948-5-6 s.n. Riverside Found 2 mi. west of Riverside near drainage ditch, west of Santa Ana River. 243 Comment
  UCR111555  Medicago sativa Mitch Provance 1998-5-4 1715 Riverside Riverside (Rubidoux), Belltown area, 'gravel pits' just south of 26th St. and Hall Ave. 250 Comment
  RSA594519  Medicago sativa D. L. Banks, Rashmi Pant 1996-5-13 1024 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station (100 m E of where Hwy. 79 leaves the Forest Service Boundary)., On the S side of Hwy. 79. 487 Comment
  SBBG119363  Melica frutescens V. Moran 2003-5-28 Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management Comment
  CLARK-A1528-74  Melica imperfecta C. M. Flanagan 1973-4-14 OO 107 Riverside Sunnymead 609 Comment
  RSA519239  Melica imperfecta 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
  RSA595321  Melica imperfecta D. L. Banks, Victor Steinmann 1996-4-20 879 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  UCR127104  Melica imperfecta Mitch Provance 1998-6-1 572 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  UCR273502  Melinis repens subsp. repens A. C. Sanders, Glen Morrison 2016-8-4 42614 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Corona Cala Camino near intersection with El Cerezo Rd., south side of Redonda Mesa 732 Comment
  RSA440354  Mentzelia affinis H. M. Hall 1905-04 5766 Riverside Cathedral Canyon 91 Comment
  RSA282492  Mentzelia desertorum H. J. Thompson 1960-3-12 3014 Riverside Colorado Desert on road to Willis Palms, 3.4 miles E of Hwy 99. 61 Comment
  JOTR37427  Mentzelia involucrata La Doux, Tasha 2016-3-9 3662 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  SBBG97174  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR241526  Mentzelia involucrata A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40644 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR29258  Mentzelia involucrata George K. Helmkamp 1983-3-24 383- 01 Riverside Sonoran (Colorado) Desert, N side of Chuckwalla Mtns., Chuckwalla Springs Road, 5 mi. west of Graham Pass Road. 366 Comment
  RSA341994  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54057 Riverside Along Whitewater River, E of bridge and levee. Comment
  UCD117238  Mentzelia involucrata var. megalantha P. C. Everett; E. K. Balls 1958-4-29 23016 Riverside U. S. Hwy 60/70, Indio to Blythe, 1 mile west of Cactus City. 548 Comment
  RSA0031615  Mentzelia longiloba var. longiloba Jim Andre 2013-3-27 24811 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  RSA446777  Mentzelia micrantha N. C. Cooper 1944-6-4 1351 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  UC64490  Mentzelia montana H. M. Hall 1901-6-1 2225 Riverside San Jacinto Mountains, Onstatt's Valley 1584 Comment
  CAS-BOT-BC435293  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren. 460 Comment
  UCR241392  Microseris heterocarpa T. B. Salvato, Mike Landers 2013-3-21 7377 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  CLARK-A1528-2179  Microseris lindleyi Charles Herrick 1974-5-16 Riverside 655 Comment
  RSA606385  Microseris lindleyi Jon E. Keeley 1994-4-7 25294 Riverside Shipley Reserve, Study Site Sh 5. S. of Hemet, S end of Rawson Rd. 650 Comment
  RSA525702  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross 1990-5-11 4640 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  POM33  Mimulus aurantiacus var. puniceus O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  CLARK-A1528-859  Mimulus bigelovii Charlotte Stocks 1963-4-15 Riverside Box Canyon Comment
  POM122677  Mimulus bigelovii var. bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  SEINET187379  Mimulus bigelovii var. bigelovii P. A. Munz 1940-3-23 15719 Riverside 3 mi N of Cottonwood Springs Eagle Mts 914 Comment
  HSC86250  Mimulus brevipes Jane Hildreth 1981-6-4 28 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  RSA614625  Mimulus brevipes D. L. Banks 1997-3-29 1571 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
  UCR201953  Mimulus brevipes Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  LA92017  Mimulus clevelandii Peter H. Raven; 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 mi. S of Santiago Peak 1234 Comment
  RSA263705  Mimulus clevelandii E. W. Lathrop 1968-5-30 6938 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  POM157912  Mimulus diffusus P. A. Munz 1927-5-20 10806 Riverside 10 miles S. of Hemet. Comment
  POM229460  Mimulus diffusus P. A. Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  UCR151064  Mimulus floribundus Scott D. White 1998-6-17 6745 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  UCR202020  Mimulus floribundus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  LA209478  Mimulus fremontii Norman C. Cooper; 1944-6-17 1417 Riverside San Jacinto Mountains, above Banning 1219 Comment
  UCR15997  Mimulus guttatus S. Nelson 1974-5-9 s.n. Riverside Santa Ana River Park 244 Comment
  UCR241497  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 218 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  JOTR01207  Mimulus guttatus Cole, James E. 1941-5-27 792 Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UC886376  Mimulus moniliformis I. W. Clokey, E. G. Anderson 1935-8-21 6901 Riverside North fork San Jacinto River 1500 Comment
  CLARK-A1528-4266  Mimulus pilosus Pete Holliday 1969-5-19 71 Riverside Riverside Comment
  RSA526494  Mimulus pilosus Steve Boyd, Tim S. Ross 1990-5-11 4689 -B Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SEINET10570264  Mimulus primuloides David B. Dunn 1946-8-17 Dunn 2691 Riverside Near stream at camp in taquitz valley damp meadow area. San jacinto mtns. Comment
  RSA600122  Mirabilis bigelovii var. retrorsa Louis C. Wheeler 1959-12-27 7639 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  CSUSB572  Mirabilis californica var. californica James K. Ryan 1968-5-10 Riverside 1.5 miles east of UC, Riverside. Comment
  POM747  Mirabilis laevis var. crassifolia I. M. Johnston 1918-4-27 1867 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  RSA60730  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona. Comment
  SEINET3139976  Mirabilis laevis var. crassifolia R. W. Spellenberg 1996-5-26 12321 Riverside 4 km NW of Aguanga on Calif. Hwy. 79 510 Comment
  RSA652388  Mirabilis laevis var. retrorsa J. Bruce Smiley 1940-3-16 s.n. Riverside Mouth of White water 610 Comment
  RSA700904  Mirabilis multiflora var. pubescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside Pinon Flat Comment
  UC7645  Mirabilis multiflora var. pubescens John Van de Venter 1898-6-27 956 Riverside El Toro, Van de Venter's El Toro; San Jacinto Mts 1356 Comment
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Aug 1 2006
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  UC111312  Mirabilis tenuiloba S. B. Parish 1907-4-18 6072 Riverside West Canyon; w edge Colorado Desert 200 Comment
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Jun 25 2012
  UCR255950  Mirabilis tenuiloba Deidre Conocchioli, Duncan S. Bell 2014-3-4 149 Riverside east side of Santa Rosa Mountains, west edge of Coachella Valley,1.3 mi down dirt BLM road from paved 58th Avenue, 4WD road south of Lake Cahuila and La Quinta 37 Comment
  RSA774304  Mohavea confertiflora Duncan S. Bell 2011-4-8 2197 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR166546  Mohavea confertiflora Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10887 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  CAS-BOT-BC220026  Monardella breweri subsp. lanceolata Carl B. Wolf 1932-8-4 3914 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  UC1499870  Monardella nana Elizabeth McClintock 1940-7-21 24 Riverside 4 1/2 mi from Pines to Palms Highway on Santa Rosa Mt. road, in canyon where forest begins and stream crosses road Comment
  UCR272823  Monardella nana Mitch Provance, Justin E. Smith 2015-7-22 715- 04 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  RSA750311  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  UCR221491  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 80 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 5.5 miles beyond canyon where stream crosses road 2378 Comment
  UC1499945  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 94 Riverside 3/4 mi beyond Stone Creek (Banning-Idyllwild road) Comment
  UC219321  Monardella nana subsp. tenuiflora P. A. Munz 1922-6-26 5833 Riverside Santa Rosa Santa Rosa Mts. 1737 Comment
  UCR35334  Monardella nana subsp. tenuiflora Geraldine Regur 1978-7-14 593 Riverside San Jacinto Mtns, Flats in the Strawberry Valley above Idyllwild. 1707 Comment
  RSA85491  Monardella robisonii G. R. Campbell 1954-2-5 18789 Riverside Nursery Seedling, from seed collected by P.A. Munz, Dec. 15, 1952, at Stirrup Tank, Joshua Tree National Monument, Mojave Desert Comment
  UCR87115  Monolepis nuttalliana Steve Boyd, D. E. Bramlet 1991-5-13 6258 Riverside San Jacinto Valley, San Jacinto River at Ramona Expressway near Lakeview Hotsprings Comment
  RSA0118056  Monoptilon bellioides Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7613 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA25353  Monoptilon bellioides C. L. Hitchcock 1940-4-4 5943 Riverside Pinto Basin. Comment
  RSA676035  Monoptilon bellioides Scott D. White 2001-4-12 8294 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UC217924  Monoptilon bellioides P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4866 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR19047  Monoptilon bellioides John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  RSA65658  Montia fontana F. W. Peirson 1922-5-20 s.n. Riverside Hemet Valley. (San Jacinto Mountains) 1402 Comment
  CAS-BOT-BC275253  Muhlenbergia microsperma Steve Boyd; et al. 1990-4-3 4101 Riverside Vail Lake Area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain, just S of the E summit 701 Comment
  RSA524400  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4101 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCD86834  Muhlenbergia microsperma G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2724 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mile S of Checkwalla Rd. on Graham Pass Rd. Comment
  JOTR30811  Muhlenbergia porteri Andre, Jim, Tasha La Doux 2008-9-16 10689 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  RSA0119961  Muhlenbergia rigens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9071 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UC819132  Muhlenbergia rigens I. W. Clokey and E. G. Anderson 1935-8-21 6524 Riverside Fuller Creek San Jacinto Mountains 1650 Comment
  UCR113565  Muilla maritima Mitch Provance 2000-4-8 2006 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR178011  Muilla maritima T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 609 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  CAS-BOT-BC83352  Myosurus minimus A. C. Sanders 1993-4-5 13691 Riverside Western edge of Hemet, along south side of Devonshire Avenue, between Old Warren and Warren Roads. 460 Comment
  UC1930148  Myriopteris clevelandii Scott D. White, Michael Honer 2003-6-3 9488 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  CHSC23898  Nama demissa T. M. Lane 1975-3-24 5 Riverside In a wash, 1 mi n or US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. 533 Comment
  UCR279580  Nama demissa A. C. Sanders, Jim Malusa 2017-3-28 43151 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UC724376  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  UC1601383  Nassella cernua Robinson and Crocker 1916-3-29 Riverside grassy foothills Santa Ana Mts. Comment
  UC70887  Nassella cernua H. M. Hall 1902-4-26 2977 Riverside Box Springs Mt. vicinity of Riverside 685 Comment
  UCSB42146  Navarretia atractyloides Roos, John 1952-5-26 Riverside Haas ranch; Reche Canyon Comment
  RSA557348  Navarretia fossalis Julie Greene 1993-5-12 1299 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  RSA785182  Navarretia fossalis D. E. Bramlet 1993-5-8 2347 Riverside San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal. 456 Comment
  RSA356986  Navarretia prostrata R. F. Thorne 1973-5-23 43867 Riverside Santa Rosa Plateau-Mesa De Colorado. 609 Comment
  RSA468367  Navarretia prostrata Robert Gustafson, Gary D. Wallace 1983-6-23 2712 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  POM316902  Nemacladus glanduliferus P. A. Munz 1922-4-9 4745 Riverside Palm Springs. 76 Comment
  SD262254  Nemacladus longiflorus var. longiflorus Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417 68 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., 700-11-- ft. WNW of inter. With Glen Eden Rd. 366 Comment
  RSA0126449  Nemacladus longiflorus var. longiflorus Mary F. Spencer 1921-7-7 1661 Riverside Tahquitz Trail. Idyllwild. San Jacinto Mtns region. 1829 Comment
  RSA439283  Nemacladus pinnatifidus J. D. Olmsted 1962-5-10 3644 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  OBI42566  Nemacladus ramosissimus A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mts, upper Bee Cyn along the road, 1.3 mi aobve the mouth of the cyn at the San Jacinto River valley 671 Comment
  SEINET3282748 Image available Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim 2005-5-7 30061 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  RSA0123277  Nemacladus tenuis var. tenuis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8990 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA421341  Nemophila menziesii Julia McClure 1940-05 s.n. Riverside San Jacinto. Comment
  UCR193524  Nemophila menziesii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35569 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  JEPS1891  Nemophila menziesii var. integrifolia W. L. Jepson May 17 1901-June 1, 1901 1288 Riverside Strawberry Valley 1828 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
  SEINET7063438  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  UCR163341  Nicotiana glauca T. B. Salvato, Kelly Volansky 2003-3-27 129 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA0042856  Nicotiana obtusifolia Duncan S. Bell, LeRoy Gross 2014-3-20 6272 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA0060160  Nicotiana quadrivalvis Scott D. White, M. A. Patten 1995-8-16 3552 Riverside San Jacinto Valley. Just W of Hemet, valley floor and foothills at SE margin of Lakeview Mts. N of Florida Ave. (SR 74) and W of California Ave. 470 Comment
  RSA617997  Nitrophila occidentalis R. E. Riefner 1998-10-15 98 -519 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  SEINET5641185 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UCR18845  Nolina parryi John C. Roos 1965-7-8 s.n. Riverside San Jacinto Mtns., Thomas Valley at the Pathfinder Camp. Comment
  POM888  Notholaena californica subsp. leucophylla G. Ross Robertson 1904-1 s.n. Riverside E. Riverside Co. desert. Comment
  RSA162850  Oenothera californica J. D. Olmsted 1959-4-21 447 Riverside Along roadside at intersection of Archibald Ave U.S 60. 2 mile W of Jurupa Hills to Santa Ana River 259 Comment
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Jun 3 2013
  RSA40570  Oenothera cespitosa subsp. marginata J. C. Roos 1947-4-5 3427 Riverside North base Santa Rosa Mountains, upper reaches of Deep canyon. Comment
  UCR33630  Oenothera deltoides Faulkner 1978-3-20 325 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  UC874003  Oenothera deltoides subsp. deltoides C. L. Hitchcock 1940-4-4 5944 Riverside Pinto Basin Comment
  RSA162846  Oenothera elata subsp. hirsutissima J. D. Olmsted 1959-8-22 s.n. Riverside Strawberry Creek just above crossing S of civic center in Idyllwild. San Jacinto Mountains. Comment
  RSA784235  Oenothera micrantha var. exfoliata J. D. Olmsted 1962-5-1 427 -B Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto. 945 Comment
  RSA53907  Oenothera primiveris subsp. bufonis D. F. Howe 1949-3-21 s.n. Riverside 3 miles west of Blythe. Comment
  SEINET7909440  Oenothera speciosa P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  RSA399179  Oligomeris linifolia N. C. Cooper 1949-4-8 3283 Riverside Shaver's Summit east of Indio. 610 Comment
  UCR151427  Oligomeris linifolia D. L. Banks, V. W. Steinmann 1997-3-13 1500 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
  CLARK-A1703-1202  Olneya tesota Charlotte Stocks 1962-5-5 Riverside Coachella Valley Comment
  UCD108102  Olneya tesota G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
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Jun 15 2013
  RSA0039454  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-1 40725 Riverside Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCD134654  Oncosiphon piluliferum A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga Region: Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mile south of Oleander Ave., at south end of Patterson Ave. 457 Comment
  SD161068  Opuntia X vaseyi Scott D. White 1999-5-20 7373 Riverside Perris Basin: Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca 1I(c)-2 miles west of I-215 freeway. USGS Romoland 7.5' quad. (IPB 9/07) 440 Comment
  UC592964  Opuntia bigelovii Carl B. Wolf 1932-10-12 4301 Riverside about 4 mi e El Dorado Queen Mine (nw end of basin); Colorado Desert, Pinto Basin 914 Comment
  POM305017  Opuntia engelmannii Lyman Benson 1962-2-17 16140 Riverside 3 miles northeast of Anza. 1067 Comment
  CAS-BOT-BC56844  Opuntia littoralis Steve Boyd 1986-5-7 1833 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SD142828  Opuntia phaeacantha Judy Gibson 1998-7-29 192 Riverside South of Hemet, weedy road edge, in sand. (IPB 9/07) Comment
  POM284057  Opuntia vaseyi Lyman Benson 1955-12-6 15621 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA206499  Orcuttia californica E. W. Lathrop 1969-9-8 7123 Riverside 6 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau Comment
  SD217186  Orcuttia californica D. Bramlet 1992-4-29 2253 Riverside Winchester 7.5 USGS; site is approximately 8 kilometers southwest of Hemet; vernal pools are located northwest of the intersection of California Avenue and Stowe Road (5-500 feet north of Stowe Road and 20-700 feet west of California Avenue) 455 Comment
  UCR85525  Orcuttia californica Scott D. White 1993-4-25 1274 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
  CAS-BOT-BC355577  Oreostemma alpigenum var. andersonii Mary F. Spencer 1919-7-6 1256 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  JEPS85935  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4521 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UCR31806  Orobanche cooperi Gerald Griffith 1982-3-11 s.n. Riverside Coachella Valley, citrus ranch near Mecca 0 Comment
  RSA0066527  Orobanche cooperi subsp. cooperi C. Leo Hitchcock 1940-3-29 5845 Riverside Ca. 12 mi. east of Indio. Comment
  UCR168256  Orobanche fasciculata I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Andreas Canyon 244 Comment
  UCR94614  Orobanche fasciculata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  HSC85288  Osmadenia tenella Steve Boyd 1986-5-1 1794 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  UCR217651  Oxytheca caryophylloides Karyn L. Drennen, Kim Sparks 2010-6-17 12 Riverside San Jacinto Mountains, Along Black Mountain Road (4S01), 2.6 km east of Lake Fulmor and 1.85 km south-southeast of Black Mountain. 1808 Comment
  RSA0120243  Oxytheca emarginata Duncan S. Bell, Thomas Stoughton 2016-4-13 9274 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UC455212  Oxytheca trilobata I. J. Condit 1910-6-21 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  RSA581747  Paeonia californica M. Wall 1995-4-14 104 Riverside Temecula Valley, along Hwy 79, 5.7 miles east of Interstate 15, southeast of Temecula, west of Vail Lake. Comment
  RSA545231  Palafoxia arida var. arida R. F. Thorne 1970-10 41881 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
  RSA92213  Palafoxia arida var. arida F. W. Peirson 1918-03 4310 Riverside Field near Indio. Comment
  CLARK-A1528-275  Palafoxia linearis var. linearis Stephen J. Southwell 1971-5-7 Riverside Windy Point 304 Comment
  UC2031378  Panicum hirticaule Duncan S. Bell with John Anderson, Kim Clark, Debbie George, Jim George, and Ed Howland 2013-9-28 6010 Riverside Chuckawalla Valley; south side of Interstate 10, approx. 16 air miles W of Blythe and about 2 air miles SE of Wileys Well. Comment
  UCR2613  Panicum miliaceum F. M. Reed 1910-10-14 3112 Riverside Riverside: margin of cultivated orchard, Bundy Lot 305 Comment
  CAS-BOT-BC422791  Papaver californicum John Roos; Lucille Roos 1952-5-19 5692 Riverside On hills north of Moreno. 518 Comment
  UC848656  Parietaria hespera var. hespera Alice Eastwood 1913-4-30 3035 Riverside Palm Springs Comment
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Aug 10 2006
  CSUSB1107  Parkinsonia aculeata R. Van Curen 1970-5-20 28 Riverside Base of Mount Rubidoux at Exit. Roadside. 259 Comment
  LA45743  Parkinsonia florida Carl Epling; March 1927 sn Riverside Indio Comment
  RSA788974  Parkinsonia florida Aaron C. Sedgwick, David Fraker 2012-3-28 28 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR19662  Paspalum distichum John C. Roos 1965-6-30 s.n. Riverside Perris-Aguanga Basin region, Perris Comment
  UCR96202  Passiflora caerulea A. C. Sanders 1996-3-14 17973 Riverside Riverside, east side of UCR campus in the canyon below the Botanic Garden 335 Comment
  RSA387326  Pectis papposa Aaron Liston, Thomas S. Elias, Oscar Dorado, S. Zona 1986-11-29 643 -2 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
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Oct 9 2010
  RSA781604  Pectis papposa Duncan S. Bell 2011-12-30 3028 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  JOTR16608  Pectis papposa var. papposa Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE BETWEEN RYAN MOUNTAIN AND CAP ROCK 1310 Comment
  UCR274823  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 093 Riverside Southcentral Mojave Desert, Rice Valley, Hwy 62 to Blythe Rice Road, c. 1 mile from the hwy 229 Comment
  SEINET10799093  Pectis papposa var. papposa David J. Keil 1975-8-27 Keil K 10994 Riverside 8 mi. W of Desert Center along I-10. Comment
  RSA0035940  Pectocarya heterocarpa Deidre Conocchioli, Sarah J. De Groot 2014-1-23 133 Riverside Just off HWY-62 E of 29 Palms. 2.8 miles W of HWY-177, E of the Colorodo River. 104 Comment
  OBI23292  Pectocarya linearis subsp. ferocula Robert F. Hoover 1969-4-14 11234 Riverside Palm Springs, just S of city limit Comment
  UC551833  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside near Hemet; St John's Grade 770 Comment
  UCR211817  Pectocarya peninsularis Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1081 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  RSA234101  Pectocarya recurvata R. F. Thorne, R. Carolin 1967-3-21 41633 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UCR213268  Pectocarya recurvata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37441 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR41526  Pectocarya recurvata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6020 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR67351  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4062 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  UC25025  Pectocarya setosa H. M. Hall 1899-5-1 1183 Riverside Nigger Jim Hill San Jacinto Mountians, Cahuilla Indian Reservation Comment
  RSA798597  Pellaea andromedifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49755 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SDSU12874  Pellaea andromedifolia var. andromedifolia J. Jill Steinberg, Janet Knotts and Kevin Contreras 1998-3-25 30 Riverside At switchback in road from Santa Margarita (SDSU) Field Station trailer leading down into Santa Margarita River Gorge, north of river. 256 Comment
  IRVC3148  Pellaea mucronata Steve Gilbert 1965-4-23 HS 589 Riverside SE of Elsinore, Hwy 74. Peninsular Ranges Comment
  RSA686925  Pellaea mucronata P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  JOTR30783  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  RSA413242  Pellaea mucronata var. mucronata James C. Dice, Tu Chung 1987-10-19 739 Riverside at head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. 329 Comment
  UC472720  Pellaea mucronata var. mucronata M. F. Spencer May 1921 Riverside Palm Springs; Colorado Desert Comment
  JEPS3111  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside on State Highway No. 71, 3 mi e Temecula; e of Temecula Comment
  NY583773  Penstemon centranthifolius C. B. Wolf 1938-6-11 9418 Riverside San Jacinto Mountains, Palms to Pines Highway, 1 1/2 miles west of junction to Anza 1219.2 Comment
  SD229288  Penstemon centranthifolius Dick Schwenkmeyer 2012-6-27 744 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR268292  Penstemon centranthifolius Jim Andre 2012-6-15 30529 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCSB47315  Penstemon centranthifolius Hibbard, Doug 1977-5-6 Riverside north west side of Hwy 74; 11.8 mi up from its intersection with Hwy 111 1036 Comment
  RSA97013  Penstemon centranthifolius R. M. Straw 1953-6-4 429 Riverside 0.5 mi. west of Santa Rosa Mountain Truck Trail on Palms to Pines Hwy. Comment
  LA35151  Penstemon clevelandii Mary V. Hood; 1939-12-30 39- 159 -k* Riverside Santa Rosa Mountains, Pines to Palms Hwy 1127 Comment
  UCR13400  Penstemon clevelandii subsp. connatus William A. Hunt 1972-4-29 720429- 01 Riverside San Jacinto Mtns., North face, Snow Creek, after the Ismus and before the first falls 1524 Comment
  POM11198  Penstemon grinnellii Philip A. Munz 1922-6-26 5826 Riverside Santa Rosa Mts. Road to Santa Rosa from Vande venter 1768 Comment
  RSA90125  Penstemon grinnellii E. K. Balls, Percy C. Everett 1953-8-19 18540 Riverside Yellow Pine Forest Community; Mountain Home Springs, Santa Rosa MT. 1921 Comment
  UC27466  Penstemon labrosus H. M. Hall July, 1901 2506 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1584 Comment
  UC729823  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside on road to Banning 1 1/2 mi from Idyllwild (Strawberry Valley); San Jacinto Mts., Strawberry Valley 1706 Comment
  UCSB37908  Penstemon labrosus Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W 1/2 sec. 28 2072 Comment
  RSA180448  Penstemon spectabilis E. W. Lathrop 1965-5-7 5713 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA401808  Penstemon spectabilis N. C. Cooper 1949-6-29 4308 Riverside West of Pinyon Flat, San Jacinto Mountains 1524 Comment
  CAS-BOT-BC330348  Pentachaeta aurea H. M. Hall 1901-6-1 2057 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  RSA0094739  Pentagramma maxonii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  RSA687392  Pentagramma triangularis May N. Ackley 1928-4-1 85 Riverside Snow Creek, Desert side, Mt. San Jacino 518 Comment
  CAS-BOT-BC77494  Peritoma arborea var. angustata L. R. Abrams 1912-7-11 4920 Riverside Near Sugar Leaf Valley Comment
  CAS-BOT-BC77528  Peritoma arborea var. arborea F. A. Thackery 1928-5-7 179 Riverside Whitewater Comment
  CAS-BOT-BC355990  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  JEPS34967  Perityle emoryi I. W. Clokey and B. C. Templeton 1930-4-9 4700 Riverside n of Palm Springs; Colorado Desert 170 Comment
  POM6181  Perityle emoryi I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. Comment
  RSA471853  Perityle emoryi Christopher Davidson 1979-4-4 7724 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR37636  Perityle emoryi George K. Helmkamp 1984-5-2 D- 5 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  LA212315  Perityle emoryi A. L. H.; 1973-3-25 s.n. Riverside OROCOPIA MOUNTAINS, 472 Comment
  PASA1839  Petalonyx thurberi R. Peirce 1966-5-21 Riverside Windy Point, 2 mi S of White Water P.O. Comment
  RSA701155  Petalonyx thurberi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11257 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SEINET11978708  Petalonyx thurberi Unknown 1936-1 12554 Riverside Colorado Desert N of Palm Springs Comment
  LA49855  Petalonyx thurberi subsp. thurberi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside at foot of Palms to Pines Highway Comment
  CLARK-A1656-643  Peucephyllum schottii Lois Ann Scott 1978-2-3 Riverside Little San Bernardino Mountains Comment
  POM15178  Peucephyllum schottii Mary F. Spencer 1922-3-27 1927 Riverside Canyon prope [near] Mecca 49 Comment
  RSA471972  Peucephyllum schottii Christopher Davidson 1979-4-4 7729 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA709856  Peucephyllum schottii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4608 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 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
  POM307237  Phacelia brachyloba Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2111 Riverside Santa Rosa Mountains. Comment
  SJSU6024  Phacelia campanularia R. C. McGehee 1970-4-28 229 Riverside 0.5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR274297  Phacelia cicutaria var. hispida T. B. Salvato, Gregg Miller 2005-6-7 1439 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  RSA784751  Phacelia crenulata Duncan S. Bell 2012-2-12 3095 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR52007  Phacelia crenulata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2101 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UC1007200  Phacelia crenulata var. ambigua Philip A. Munz 1940-3-23 15667 Riverside road <from?> Dale to Cottonwood Springs (s base of mts.); Pinto Mts. 609 Comment
  UC1287157  Phacelia crenulata var. ambigua C. L. Hitchcock 1966-3-16 24210 Riverside along Palms to Pines Hwy 4 mi s Palm Desert 609 Comment
  UC648449  Phacelia crenulata var. ambigua Ira L. Wiggins 1937-3-9 8751 Riverside 1 mi below Chuckawalla Springs; Chuckawalla Mountains Comment
  UC881059  Phacelia crenulata var. ambigua Lewis S. Rose 1937-4-9 36133 Riverside Palms to Pines Hwy 15 mi w Indio 838 Comment
  UCD80949  Phacelia crenulata var. minutiflora Chuck Hughes 2009-3-23 66 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  JOTR30997  Phacelia cryptantha La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1319 Riverside Joshua Tree National Park. Stop 3: Hexie Mountains, steep loose slopes above Blue Cut Gorge Comment
  UCR166155  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 565 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
  POM6742  Phacelia distans P. A. Munz, Street, Williams 1919-3-28 2374 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA0108935  Phacelia distans Duncan S. Bell, Amanda Bell 2012-1-28 3075 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  RSA192000  Phacelia distans E. W. Lathrop 1959-4-16 4467 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA444556  Phacelia distans Walter Wisura 1988-3-1 4200 Riverside Black Eagle Mine Rd., just outside the boundry of Josua Tree Natl. Mon., Comment
  RSA650146  Phacelia distans J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  RSA714422  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SD178224  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. In open area on gentle slope at foot of hills. 377 Comment
  UCR102945  Phacelia distans George K. Helmkamp 1998-4-4 3135 A Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR196366  Phacelia distans Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR265842  Phacelia distans Mitch Provance 2012-5-24 512- 26 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR85156  Phacelia distans A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16090 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA595740  Phacelia imbricata Louis C. Wheeler 1945-10-6 6135 Riverside Head of west fork of Snow Creek. 2378 Comment
  UC1228376  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside near Idyllwild (along edge of meadow); San Jacinto Mountains, Saunders Meadow Comment
  UC1021341  Phacelia ivesiana var. pediculoides Harlan Lewis and Margaret Lewis March 1955 Riverside 2 mi e school (on road to Clark Lake); Borrego Valley Comment
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Feb 19 2013
  OBI8236  Phacelia minor David J. Keil, Malcolm McLeod 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on Calif 71 183 Comment
  RSA516879  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  RSA604  Phacelia minor J. T. Howell 1927-8-2 567 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  UCR104914  Phacelia minor A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20655 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR262563  Phacelia minor T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3758 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA428151  Phacelia parryi N. C. Cooper 1944-6-4 2020 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  UCR40514  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd., 3.3 mi east of junction with 8S01 and 8S02 Comment
  RSA736287  Phalaris minor Scott D. White, Justin M. Wood 2008-5-13 11955 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  CAS-BOT-BC128868  Philadelphus microphyllus Philip A. Munz 1938-8-14 15392 Riverside About rocks, ridge east of Toro Peak - Santa Rosa Mts. 2438 Comment
  UC415567 Image available Philadelphus microphyllus var. stramineus H. M. Hall 1901-7 2500 Riverside Vicinity of Tamarack Valley San Jacinto Mts. 2529 Comment
  POM14421  Phleum alpinum P. A. Munz 1922-7-6 6014 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA674927  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  SDSU21851  Pholistoma auritum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 5 Riverside San Magarita Ecological Reserve, Via Tornado, south side of San Margarita river, going uphill, south side of road. 357 Comment
  RSA459291  Pholistoma membranaceum Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UC1490303  Pholistoma membranaceum Rolf Y. Berg 1980-2-4 Riverside ca. 2.5 mmi. from mouth Whitewater Canyon Comment
  HSC83087  Phoradendron californicum A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  HSC87172  Phoradendron californicum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2103 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  OBI34667  Phoradendron californicum David J. Keil 1980-3-29 13744 Riverside Joshua Tree Natl Monument. 7 mi N of Cottonwood Springs turnoff Comment
  RSA777785  Phoradendron californicum Jim Andre 2011-2-9 15909 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
  SBBG87469  Phoradendron californicum A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mtns, wash below the spring and wash, and rocky slopes to the S 487 Comment
  SEINET3073027 Image available Phoradendron californicum Dennis Kucera 1987-11-14 Riverside Malki Museum garden, E of Banning off Fields Road, Morongo Reservation. 610 Comment
  RSA698148  Phoradendron macrophyllum J. Vlahos 1934-01 s.n. Riverside Ortega Highway Comment
  JOTR16866  Phoradendron villosum Wanrow, E. 1969-8-13 s.n. Riverside Joshua Tree National Park. BARKER DAM Comment
  POM306734  Physalis crassifolia Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1708 Riverside Near Desert Center-Indio. Comment
  RSA23174  Physalis crassifolia I. L. Wiggins 1938-3-25 8926 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  RSA339340  Physalis crassifolia Robert F. Thorne, W. A. Tilforth 1980-5-28 54195 Riverside W-facing slope of Whitewater ridge above old bridge. San Bernardino Mtns. Comment
  RSA423822  Physalis crassifolia Robert Gustafson 1978-3-21 844 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  UC1329897  Physalis crassifolia James E. Cole 1941-4-13 593 Riverside Summit of Pinto Pass; Joshua Tree National Monument Comment
  UCR100880  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2692 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR260294  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-9 41363 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  CLARK-A1528-2029  Picris echioides John C. Roos 1937-5-23 2060 Riverside La Sierra Comment
  SEINET11610609  Pinus lambertiana D. A. Charlet, Dene Charlet 2010-5-7 3353 Riverside San Bernardino Mountains, San Jacinto Mountain 2609 Comment
  UC64560  Pinus lambertiana H. M. Hall 1902-4-16 2882 Riverside w side Tahquitz Peak; San Jacinto Mountains 2621 Comment
  UC1543055  Pinus monophylla Donald G. Nelson 1936-5-22 339 Riverside near base Santa Rosa Mountains (on trail down to stream in Palm Springs Canyon, along trail to Palm Canyon from Ribbon Wood Camp); Ribbon Wood Camp, Pines to Palms Highway Comment
  JEPS46873  Pinus ponderosa W. L. Jepson and Hall 1901-1 Riverside Santa Rosa Indian Reservation Comment
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Apr 2 2014
  CDA569  Pinus quadrifolia L. Merrill 1999-8-27 s.n. Riverside Santa Rosa Mtns., Burnt Valley Rd. 0 Comment
  RSA86362  Pinus quadrifolia F. W. Peirson 1922-5-20 3059 Riverside Hemet Valley, San Jacinto Mts. 1494 Comment
  UCR130264  Pistia stratiotes Robert Noll 2003-10-7 s.n. Riverside Sonoran (Colorado) Desert, Salton Sink, north end of the Salton Sea, along Johnson St. -70 Comment
  UCR7780  Pityrogramma triangularis var. triangularis Pat Halligan 1968-4-13 s.n. Riverside San Bernardino Valley Region, Box Springs Mtns., Riverside, 1/4 mile SW of water tank on Sugarloaf Mtn. 366 Comment
  CHSC35499  Plagiobothrys Ken Cole 1972-4-29 M- 14 Riverside 21 mi. SW of Murrieta on Tenaja Rd.; near vernal pool. 655 Comment
  UCR135816  Plagiobothrys acanthocarpus A. C. Sanders, Guy Bruyea 2004-4-2 27448 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR91856  Plagiobothrys arizonicus A. C. Sanders, S. Hawkins 1996-4-24 18080 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  UCR225615  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-30 38922 Riverside Peninsular Range, city of Lake Elsinore, waste ground along 3rd St., SW of Conard Ave. 405 Comment
  UCR226084  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-1 38953 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  UCR92698  Plagiobothrys canescens A. C. Sanders, O. F. Clarke 1996-4-13 18038 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  SD143990  Plagiobothrys collinus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR250909  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-18 41025 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 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
  UC480645  Plagiobothrys collinus var. fulvescens Philip A. Munz 1927-3-21 10856 Riverside Anza, San Carlos Pass 1371 Comment
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May 30 2011
  UCR79248  Plagiobothrys fulvus Steve Boyd, T. S. Ross 1992-5-5 7247 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. south of Oak Flats, SW of the Bluewater Trail 793 Comment
  RSA320538  Plagiobothrys fulvus var. campestris A. C. Sanders, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mts., 5 miles SW of Murrieta 610 Comment
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Mar 19 2010
  RSA601784  Plagiobothrys leptocladus D. Bramlet 1997-3-13 2492 Riverside Nichols Road Wetlands, the site is located 275m SE of Nichols road, 91m W of Collier Ave, 305m W of I15., The locality is E of the existing dirt road extending S from Nichols Road and adjacent to Alberhill Creek. Comment
  UCR171911  Plagiobothrys nothofulvus 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
  UCR122526  Plagiobothrys tenellus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6667 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR281237  Plantago elongata Mitch Provance, Jeremiah George 2017-3-23 317- 64 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  RSA670711  Plantago erecta Bonnie C. Templeton, I. W. Clokey 1930-4-9 1021 Riverside North of Banning 457 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
  UCR180695  Plantago erecta Mitch Provance 2003-4-26 9882 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
  UCR251699  Plantago erecta T. B. Salvato 2014-4-9 7840 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR281831  Plantago erecta Mitch Provance, Jeremiah George 2017-3-23 317- 76 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  SD187451  Plantago lanceolata Scott D. White, Angelia Carey 2004-5-7 10340 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 459 Comment
  RSA180245  Plantago major E. W. Lathrop 1964-5-24 5390 Riverside 8 miles west of Murrieta Comment
  UCR196375  Plantago ovata Naomi Fraga, Lisa Rojas 2005-2-10 1353 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR260888  Plantago ovata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41427 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA457801  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SBBG68779  Plantago ovata var. fastigiata M. N. Ackley 1928-4-4 792 Riverside Thousand Palms 304 Comment
  POM94813  Plantago ovata var. fastigiata Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  JEPS98073  Platanus racemosa D. Wilken with E. Painter 2000-11-4 15871 Riverside Chico Canyon, near end of road to Tramway base San Jacinto Mountains 900 Comment
  SEINET10620967  Platanus racemosa Greg Gust, Leith Nye 2005-3-12 Gust 557 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  UCR224260  Platanus racemosa Robt. L. Allen, Fred M. Roberts 2007-6-22 s.n. Riverside San Jacinto Mtns. Foothills, SE of Hemet, Bautista Cyn, c. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. 727 Comment
  RSA674568  Platystemon californicus Scott D. White 2000-5-3 7767 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of 'Red Hawk' subdivision. 351 Comment
  POM320420  Pleuraphis rigida Lynne Hayden 1970-3-24 57 Riverside Palm Springs, Chino Canyon, first alluvial fan 549 Comment
  POM41003  Pleurocoronis pluriseta H. M. Hall 1905-4-16 s.n. Riverside Marshall Canyon, 11km W of Coachella, Colorado Desert 30 Comment
  POM41784  Pleurocoronis pluriseta Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC86378  Pleurocoronis pluriseta C. R. Orcutt 1880-1 Riverside Colorado Desert Comment
  CAS-BOT-BC356103  Pluchea odorata Mrs. E. C. Van Dyke 1928-5-26 s.n. Riverside Coachella Comment
  CAS-BOT-BC326531  Pluchea sericea G. P. Rixford 1911-4-1 s.n. Riverside Needles Comment
  RSA651713  Pluchea sericea Viki Cruz 1983-5-8 007 *k Riverside Collected in a shallow stream three-quarter mile into Magnesia Canyon, Santa Rosa Mts. 441 Comment
  UCSB24469  Pluchea sericea McMinn, Howard 1935-6-22 Riverside 1/4 mile south of Elsinore Comment
  RSA741114  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  SEINET186899 Image available Poa secunda Philip A. Munz 15658 Riverside North slope .Whitewater Canyon , 2 miles north of Banning-Indio boulevard. Comment
  UCR95715  Poa secunda subsp. juncifolia D. L. Banks, Dylan Hannon 1996-5-3 971 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 150 m SE of the Helopad at the upper camp sites. 524 Comment
  RSA770438  Poa secunda subsp. secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4570 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR263230  Polycarpon tetraphyllum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41460 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR84055  Polycarpon tetraphyllum A. C. Sanders, L. Ard 1994-7-11 15054 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  CLARK-A1528-757  Polygonum aubertii Ross G Barber 1962-5-15 119 Riverside Riverside Comment
  SBBG61503  Polygonum aviculare M. N. Ackley 1927-3-13 883 Riverside Coral Reef Ranch -9 Comment
  UC219083  Polygonum bistortoides P. A. Munz 1922-7-6 6001 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  RSA289843  Polygonum hydropiperoides Barry A. Prigge 1980-9-17 4069 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  CLARK-A1528-760  Polygonum lapathifolium Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR26247B  Polygonum punctatum John C. Roos 1937-8-23 1784 Riverside San Jacinto Mtns, north base of Mt. San Jacinto, Snow Creek 762 Comment
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Apr 22 2012
  RSA641603  Polypodium californicum E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  UCR26975  Polypodium californicum E. W. Lathrop 1966-5-8 6466 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCSB62766  Polypodium californicum Kiefer, Lawrence 1963-9-15 Riverside San Jacinto Mtns., N fork San Jacinto River (Dark Canyon). 2133 Comment
  UCR189544  Polypogon interruptus Fred M. Roberts, S. Leatherman 2007-9-19 6581 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA526088  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 4661 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR207621  Polypogon monspeliensis O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  UCR2727  Polypogon monspeliensis F. M. Reed 1903-12-13 414 Riverside South Coast; San Bernardino Valley, Riverside, near natural bridge in Arroyo Chico [Terraces Ranch, 547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA741556  Polypogon viridis Justin M. Wood 2008-9-30 175 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  IRVC18440  Polystichum imbricans subsp. curtum Gordon A. Marsh 1978-10-31 s.n. Riverside Bear Springs at Orange-Riverside County line. Santa Ana Mountains Comment
  SD233936  Populus fremontii subsp. fremontii LeRoy Gross, Bart OBrien 2013-3-18 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans, Riverside, NE of Mount Rubidoux (Riverside West 7.5'Q). 238 Comment
  UC846015  Populus fremontii subsp. fremontii Ivan Johnston 1917-4-4 1092 Riverside Palm Canyn Palm Canyon; Colorado Desert, Palm Canyon 457 Comment
  UCR174335  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UC1446193 Image available Portulaca oleracea subsp. papillatostellulata A. Danin 1978-3-13 Riverside Palm Springs, Riverside Co. Comment
  CAS-BOT-BC267208  Potamogeton foliosus Thorne; P. A. Munz; E. Lathrop 1968-5-8 37564 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  SDSU13321  Potentilla glandulosa subsp. glandulosa Ryan Jacobson, Jeremy Mass 2000-4-19 10 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  CAS-BOT-BC540421  Potentilla gracilis var. fastigiata H. M. Hall 1898-1-1 s.n. Riverside Unspecified Comment
  CAS-BOT-BC144850  Potentilla rimicola Frank W. Peirson 1924-7-27 5000 Riverside 1/2 mile west of Deer Spring, San Jacinto Mts. Comment
  UCR17644  Prenanthella exigua Hap Ritter, Paul Mack 1976-5-18 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., Red Cloud Wash [Mine] Road 549 Comment
  UCR280431  Proboscidea althaeifolia Onkar Singh 2015-11-10 5612 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2.5 km north of Desert Center, on west margin of Kaiser Road 50 meters south of Oasis Rd. 231 Comment
  CAS-BOT-BC206980  Prosopis glandulosa var. torreyana Roxana S. Ferris 1918-6-14 975 Riverside Indian Wells Comment
  RSA784720  Prosopis glandulosa var. torreyana Duncan S. Bell 2012-3-18 3207 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
  SEINET10489773  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2882 Riverside Pushawalla Canyon, Indio Hills. In W wall of wash. Comment
  RSA699635  Prosopis juliflora var. glandulosa Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  CLARK-A1656-891  Prosopis pubescens Jim Cornett 1977-7-11 Riverside Thousand Palms Canyon 182 Comment
  LA208145  Prunus fremontii Harlan Lewis; 1938-4-10 sn Riverside Pines to Palms Hwy 853 Comment
  RSA453240  Prunus fremontii Anstruther Davidson 1903-5-3 1843 Riverside Thermal. Comment
  RSA701211  Prunus fremontii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Taquitz canyon Comment
  SD73396  Prunus fremontii Nancy Ryan Zabriskie, Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road 487 Comment
  CAS-BOT-BC356336  Psathyrotes ramosissima Mrs. Robert Campbell 1921-11-26 s.n. Riverside Between Palm Springs and Indian Wells Comment
  RSA472313  Psathyrotes ramosissima M. B. Dunkle 1933-5-6 3445 Riverside Painted Canyon, Colorado Desert 30 Comment
  RSA785020  Psathyrotes ramosissima Duncan S. Bell 2012-3-18 3191 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
  UCR34952  Psathyrotes ramosissima L. B. Ziegler 1976-9-20 554 Riverside Sonoran (Colorado) Desert, N end around Desert Hot Springs. 381 Comment
  RSA463259  Pseudognaphalium biolettii Steve Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St, Moreno Valley. 518 Comment
  SD68944  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, E. Lathrop and O. Clark, and S. Carlquist 1968-4-18 37436 Riverside Mesa de Colorado, Rancho Californioa, Santa Rosa Plateau. 669 Comment
  SDSU21798  Psilocarphus brevissimus var. brevissimus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3981 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR85576  Psilocarphus brevissimus var. brevissimus Julie A. Greene 1993-5-12 1314 Riverside Perris-Aguanga Basin region, South of gated West-East road, east of Davis Rd. 433 Comment
  JOTR32960  Psilostrophe cooperi La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2711 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CDA37520  Psilotum nudum A. C. Sanders, Robert Krueger, T. B. Salvato 2006-11-8 33211 Riverside Riverside: UCR Citrus Variety Collection, Agricultural Operations area west of Canyon Crest Dr. Comment
  CLARK-A1528-5673  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  CAS-BOT-BC346353  Psorothamnus L. R. Abrams 1926-3-26 11103 Riverside between Edom and Garnet east of San Gorgonis Pass Comment
  SD121836  Psorothamnus arborescens var. simplicifolius C. H. Muller 1952-5-21 9515 Riverside Outwash plain at mouth of Morongo Canyon. Comment
  UC218162  Psorothamnus arborescens var. simplicifolius P. A. Munz and I. M. Johnston 1922-5-6 5167 Riverside Dry Morongo Wash; Colorado Desert 304 Comment
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Aug 18 2010
  CAS-BOT-BC353624  Psorothamnus emoryi W. R. Dudley 1903-12-25 s.n. Riverside near Palm Springs Comment
  HSC82766  Psorothamnus emoryi Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7819 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  UC1129831  Psorothamnus emoryi H. S. Yates 1936-4-7 5439 Riverside 2 mi s Willis Palm; Thermal Quad., s of Willis Palm Comment
  CAS-BOT-BC340874  Psorothamnus schottii Milo S. Baker 1928-4-3 2797 b Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  CAS-BOT-BC340918  Psorothamnus schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  GMDRC4953  Psorothamnus schottii J. Andre 2011-2-9 15899 Riverside Mecca Hills; along Box Canyon Rd at upper end of gorge, approx. 6 mi. SSE of Jct with I-10, approximately 12 mi. west of Chiraco Summit 284 Comment
  JOTR16703  Psorothamnus schottii Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. BERDOO CANYON Comment
  POM310142  Psorothamnus schottii Hulda Crooks 1946-3-2 259 Riverside E of Palm Springs 137 Comment
  RSA27143  Psorothamnus schottii C. Leo Hitchcock 1940-3-29 5849 Riverside 12 miles east of Indio. Comment
  SEINET3005064  Psorothamnus schottii G. Rink 2011-5-1 10502 Riverside North side of the Chuckawalla Mountains 365 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
  JEPS41683  Psorothamnus spinosus S. B. Parish 1912-6-28 8167 Riverside Red Canyon near Mecca; Red Canyon near Mecca Comment
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Nov 24 2011
  RSA0112107  Psorothamnus spinosus Duncan S. Bell, Amanda Turek 2009-3-30 193 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  SBBG68034  Psorothamnus spinosus R. Hoffmann 1928-10-21 Riverside Fig Tree John's [Figtree John Spring] -60 Comment
  UCSB33255  Psorothamnus spinosus Miller, Brian 1963-6-1 Riverside Powerline access road 4 mi. S of Curtis Palms 24 Comment
  UC21691  Pterospora andromedea H. M. Hall June, 1901 Riverside Onstatt's Valley San Jacinto Mountains 1920 Comment
  CAS-BOT-BC421258  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37735 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  POM13114  Pterostegia drymarioides P. A. Munz, I. M. Johnston 1922-5-19 5341 Riverside 5 mi. E of Murietta. 518 Comment
  RSA245520  Pterostegia drymarioides Larry E. DeBuhr 1973-3-29 941 Riverside About 3 miles north of I-10 along Hwy 62. Comment
  UC1563132  Pterostegia drymarioides Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3156 Riverside hills just to s.w. of dam Vail Lake area 487 Comment
  UC1608272  Pterostegia drymarioides Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7326 Riverside San Mateo Canyon from confluence with Los Alamos Canyon (downstream to concluence with Tenaja Canyon); S. Santa Ana Mts., San Mateo Canyon Wilderness Area 365 Comment
  RSA0124025  Purshia tridentata Duncan S. Bell, Thomas Stoughton 2016-4-14 9300 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  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
  UC5843  Quercus X acutidens Samuel B. Parish 1891-11-5 2258 Riverside McGee's Stone, e slope of the Coast Range Coast Range Comment
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Mar 9 2011
  UCR209656  Quercus X morehus Fred M. Roberts, Robt. L. Allen 2008-6-23 7050 Riverside Santa Ana Mountains, Santiago Peak, eastern slope, Main Divide Truck Trail, at the junction with Coldwater Trail, 1.5 km east-northeast of the summit of the peak 1479 Comment
  RSA735195  Quercus agrifolia Keith E. Hoffmaster 1934-4-8 157 Riverside Santa Ana Mts. Comment
  SD224981  Quercus agrifolia Scott D. White, Shelton Dowthit & Conservancy volunteers. 1996-3-31 3850 Riverside lK Skinner Area: Riverside Land Conservancy conservation easement site, about 0.5 air mi. S of the reservoir, near East Benton Road. USGS Bachelor Mtn. 518 Comment
  RSA748812  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  SEINET10957811  Quercus agrifolia var. agrifolia Greg Gust, Leith Nye 2005-3-11 Gust 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR158905  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31550 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  SD136833  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along San Mateo Trail between north branch of Tenaja Trail & Fisherman's Camp, on mesic north-facing slope 427 Comment
  SD244164  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range: Temescal Canyon, east of Glen Ivy near where Temescal Canyon Road passes under I-15 (Lake Mathews 7.5'Q) 317 Comment
  UCR209398  Quercus berberidifolia Fred M. Roberts, Robt. L. Allen 2007-6-22 6540 Riverside San Jacinto Mountains, Bau\tista Canyon, Bautista Canyon Road, 2.2 km northwest of Bautista Spring below Blackburn Ridge 726 Comment
  UCR264650  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 33 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR273005  Quercus berberidifolia Mitch Provance 2012-8-30 17431 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  UCSB12186  Quercus berberidifolia Breedlove, Dennis 1962-3-11 Riverside 5.7 miles northwest of Mountain Center, at junction with Riverside Highway 1 on State 74 944 Comment
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Feb 24 2013
  RSA503822  Quercus cornelius-mulleri N. C. Cooper 1949-6-29 4296 Riverside Below Pinon Flats, San Jacinto Mt. 1067 Comment
  SD126461  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8719 Riverside Santa Rosa Mountains, Pinyon Flats area, along Horsethief Creek where the trail from the Dolomite Mine crosses, on slopes above the riparian zone 1100 Comment
  UCD14093  Quercus cornelius-mulleri Stephen K. Langer 1995-4-6 s.n. Riverside California, San Diego Co.; Smuggler's Canyon, Anza-Borrego Desert State Park; Comment
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Feb 22 2013
  RSA564290  Quercus engelmannii Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  RSA650069  Quercus engelmannii Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. Comment
  UCR56698  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area north of Murrieta. c. 1.5 mi. NW of intersection of Antelope Road and Hwy I-15, and due north of intersection of Nutmeg and Jackson Streets. 396 Comment
  UC729494  Quercus kelloggii Carl B. Wolf 1932-8-6 Riverside base of Devil's Slide Trail to Tahquitz Valley San Jacinto Mts., Strawberry Valley 1706 Comment
  UCD46896  Quercus lobata J. M. Tucker; D. Q. Cavagnaro 1965-10-2 3886 Riverside (Q. turbinella Greene subsp. californica Tucker). In wash at Live Oak Tank, 75-100 feet from Q. turbinella subsp. Californica (introgressed with Q. dumosa); Joshua Tree National Monument, Riverside County, California. Comment
  RSA0127037  Quercus wislizeni Tom Scott 2011-04 2011 -571.1 Riverside San Bernadino Mtns: south side of mountains in Bannin Canyon on USFS road 2S01, c. 6.5 miles up canyon. 1492 Comment
  UCR241204  Quercus wislizeni Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 280 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR51925  Quercus wislizeni Steve Boyd 1987-11-23 2096 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  HSC6083  Rafinesquia neomexicana R. A. Eagle 1964-3-28 13 Riverside 4 mi. out of Palm Springs Comment
  RSA717621  Rafinesquia neomexicana Scott D. White, Andrea Warniment Edwards 2006-3-29 11274 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UC219557  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside meadow n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  UC1260165  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44679 Riverside e Redondo Mesa; Santa Rosa Plateau, Rancho California 609 Comment
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Aug 19 2010
  RSA740253  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12408 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR202608  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12408 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UC1922903  Ranunculus testiculatus Scott D. White 2005-3-24 10809 Riverside East Mojave Desert: Mountain Pass. Sandy bajadas, canyons, and washes N of the I-15 Freeway and S of the Molycorp quarry. (Mescal Range) Comment
  SDSU1243  Raphanus sativus D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  UCR136163  Rhamnus californica subsp. tomentella A. C. Sanders 2004-6-20 28215 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UC1979345  Rhamnus crocea David Keil 1983-4-15 16893 Riverside East of Temecula on SR79. Comment
  UCR94264  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA391108  Rhamnus ilicifolia Christopher Davidson 1977-5-18 5620 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA505039  Rhamnus ilicifolia Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  RSA6120  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 3688 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  RSA643450  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. 1189 Comment
  RSA390152  Rhamnus tomentella subsp. cuspidata Elbert Benjamine 1929-5-18 215 Riverside Mt. San Jacinto. Comment
  CAS-BOT-BC200035  Rhododendron occidentale var. californicum Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mts.: Above & in James Reserve 1676 Comment
  UCR121303  Rhus aromatica A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  LA62860  Rhus ovata Victor Duran; 1933-7-3 3498 Riverside SANTA ROSA MOUNTAINS, 2 mi E of Pinyon Flat. 1066 Comment
  POM14057  Rhus ovata P. A. Munz, D. Keck 1922-4-14 5004 Riverside East of Whitwater Ranch 213 Comment
  UCD166229  Rhus ovata Jack Major 1962-4-16 772 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UCR243158  Rhus ovata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4293 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCR34999  Rhus ovata L. B. Ziegler 1974-4-2 522 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  SD2907  Rhus trilobata var. pilosissima Fidella G. Woodcock May 1922 Riverside Banning Comment
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Mar 13 2011
  RSA162821  Ribes californicum var. californicum J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past olive trees. Santa Ana Mts, N to Santa Ana River. 808 Comment
  UC455598  Ribes cereum I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 3200 Comment
  CAS-BOT-BC173143  Ribes indecorum A. C. Sanders; Mitch Provance; E. J. Lawlor 2000-1-23 23313 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  RSA191421  Ribes indecorum E. W. Lathrop, Robert F. Thorne 1967-9-26 6599 Riverside 6 mi. NW of Murrieta, Tenaja Road at the pass entering valley leading to Tenaja Guard Station. 610 Comment
  SD186332  Ribes indecorum A. C. Sanders 2004-4-20 27555 Riverside Santa Ana Mountains: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line (Fallbrook 7.5'Q) 640 Comment
  UC1608294  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  RSA441495  Ribes malvaceum var. viridifolium N. C. Cooper 1945-5-24 1636 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR35280  Ribes nevadense L. B. Ziegler 1970-5-20 401 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  RSA60417  Ribes roezlii Frank W. Gould 1943-4-18 2137 Riverside 12 miles E [NW] of Idyllwild Comment
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Sep 29 2011
  UC917879  Ribes roezlii Frank W. Gould 1943-4-18 2137 Riverside 12 mi e Idlewild Comment
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Sep 29 2011
  CAS-BOT-BC226934  Romneya coulteri A. C. Sanders; John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: Hills between I-15 and Temescal Canyon Rd., 0.22 km south (178 deg. ) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake 325 Comment
  CHSC25561  Romneya coulteri Robert A. Schlising 1973-6-25 3105 Riverside Deadend road, 2.1 mi SW jct with Hwy 71 in Corona. Comment
  SD239844  Romneya coulteri A. C. Sanders, John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: hills between I-15 and Temescal Canyon Rd., 0.22 km south (178a^z) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake. 324 Comment
  UCR151127  Romneya coulteri Scott D. White 1998-10-9 7171 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  CAS-BOT-BC300507  Rondeletia amoena O. F. Clarke 2003-5-1 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CSUSB1439  Rorippa nasturtium-aquaticum D. Vander Ven 1968-5-1 S. N. Riverside Santa Ana River Santa Ana River, in water along the south bank of island just west of the railroad bridge near Freemont Street, Riverside; 35 feet from east end of island 213 Comment
  UCR172286  Rorippa nasturtium-aquaticum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA667028  Rorippa sphaerocarpa A. C. Sanders, Mitch Provance 1999-9-26 23096 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  RSA449716  Rosa californica M. B. Dunkle 1933-7-20 3705 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  LA37957  Rubus parviflorus Carl Epling; 1938-8-14 sn Riverside San Jacinto Mountains, N fork, San Jacinto River Comment
  RSA0011488  Rubus parviflorus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4995 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  OBI32610  Rumex conglomeratus O. F. Clarke 1972-5-28 s.n. Riverside Residence of O.F. Clarke, 1012 Spruce St, Riverside Comment
  UCR115996  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. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  UCR216251  Rumex pulcher Oleg Pryadko 2008-5-2 079 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR40202  Rumex salicifolius Steve Boyd 1985-7-23 1015 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR17576  Sagina saginoides var. hesperia E. C. Jaeger 1921-7-4 s.n. Riverside San Jacinto Mtns., Round Valley 2744 Comment
  UCR19559  Sagina saginoides var. hesperia E. C. Jaeger 1922-7-6 s.n. Riverside San Jacinto Mtns., Long Valley 2439 Comment
  UCR88296  Salazaria mexicana A. C. Sanders, K. C. Rose 1995-4-5 16373 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA659609  Salix exigua J. C. Roos 1947-2-15 3244 Riverside Lost Palms Canyon. Comment
  RSA701400  Salix exigua Steve D. Boyd, Aydee Virgen 2004-4-13 10860 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR167974  Salix exigua T. B. Salvato, John F. Green 2004-5-27 654 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR92246  Salix exigua Scott D. White 1995-7-7 3450 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UC498067  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n Elsinore (along small stream) 304 Comment
  POM2034  Salix gooddingii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  SBBG58896  Salix gooddingii F. R. Fosberg 1932-3-13 8065 Riverside Thousand Palms Cyn Comment
  RSA191446  Salix laevigata E. W. Lathrop, Robert F. Thorne 1967-9-26 6633 Riverside 6 miles NW of Murrieta. Comment
  UCR17464  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1970-3-27 268 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, east slope of mountains 305 Comment
  SD152755  Salix lasiolepis Steve Boyd, T. Ross, O. Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. 305 Comment
  UC914203  Salix lasiolepis Charles B. Fiker 1946-2-19 3337 Riverside 35 mi. air-line from coast and near Santa Rosa Summit 1341 Comment
  UCR182374  Salix lasiolepis Andrea Salzman, Ricky Escobar, et al 2006-4-10 48 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  CAS-BOT-BC128446  Salix lasiolepis var. lasiolepis Geo. B. Grant 1904-7-23 6373 Riverside Mt. San Gorgonio, Vivian Canyon 2286 Comment
  UCR11306  Salix lucida subsp. lasiandra O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  CDA36193  Salsola paulsenii A. C. Sanders 2010-3-22 37522 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. Comment
  SD119919  Salsola tragus Louis B. Ziegler 1976-6-20 549 Riverside Vacant land and borders in the San Jacinto Valley. 470 Comment
  SDSU13633  Salsola tragus W. Miller with C. Mosse 1972-7-12 Riverside Northwest corner, west of woodland (west of R.C. Weather Station). Comment
  UCR109573  Salsola tragus G. S. Nuessly 1980-10-16 s.n. Riverside Coachella Valley, Indio, SE corner of Kenner Ave. and Monroe St., between Fred Waring Dr. (Ave 44) and the Whitewater River Channel 0 Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  SD234486  Saltugilia australis A. C. Sanders, P. J. MacKay, Tim Thomas 2003-5-18 26759 Riverside San Bernardino Mtns.: Cleghorn Road, 0.5 mi. NE of Cajon. 1006 Comment
  UCR266481  Saltugilia australis Mitch Provance, Robin Kinmont 2015-3-27 315- 48 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  RSA123825  Saltugilia splendens P. H. Raven, Richard Snow 1957-7-26 11119 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  UCR207924  Salvia O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA770780  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4618 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR159206  Salvia apiana A. C. Sanders, Kelly Volansky 2005-8-31 31565 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
  POM13283  Salvia apiana var. compacta P. A. Munz 1922-6-26 5828 Riverside Southern Slope of Santa Rosa Mts. 1707 Comment
  RSA411369  Salvia carduacea Ora M. Clark 1929-2-24 1532 Riverside Cabazon, Colorado Desert. Comment
  SDSU13903  Salvia clevelandii Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2145 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  IRVC2084  Salvia columbariae M. Cadnum 1965-4-3 none Riverside Lake Elsinore. southern coastal 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
  SEINET12273131  Salvia columbariae J. F. Bright, Wyman, C. 1933-1 8096 Riverside Near Palm Springs Comment
  SEINET13947314 Image available Salvia columbariae Lewis S. Rose 1949-1 49104 Riverside Aguanga, 1940 ft alt. Comment
  RSA580344  Salvia eremostachya L. Haines, L. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
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Dec 17 2011
  RSA776183  Salvia greatae Amber Swanson, Duncan S. Bell 2011-3-20 249 Riverside N of the Bradshaw Trail between Coachella Canal Rd and Red Canyon. N of the Chocolate Mtns. 198 Comment
  POM50418  Salvia mellifera W. W. Eggleston 1924-3-8 19527 Riverside Hemet. 480 Comment
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Mar 24 2011
  RSA434139  Salvia mellifera Gale Sphon 1955-3-5 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  SEINET244787  Salvia mellifera A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24942 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  UCR251307  Salvia mellifera T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7428 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  CLARK-A1528-3122  Salvia mohavensis John C. Roos 1965-6-23 Riverside Lost Palms Canyon Comment
  UCR17525  Salvia pachyphylla Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA727067  Salvia vaseyi Jay Walker, R. C. Walker 3101 Riverside Ca. 6 miles NE of Pinyon Flats, along hwy 74, at mile marker 87.25 in the first pullout uphill from Vista Point. Comment
  SBBG6512  Salvia vaseyi H. and M. Dearing 1936-12-25 1562 Riverside Long Cyn, Colorado Desert Comment
  POM259108  Sambucus mexicana P. A. Munz 1938-8-14 15368 Riverside Head of Black Rabbit Canyon, Toro Peak, Santa Rosa Mountains. 2378 Comment
  SDSU2939  Sambucus nigra subsp. caerulea Thomas A. Zink 1971-3-1 Riverside 200 yards south of Riverside Country Dump turnoff. 335 Comment
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Jun 8 2013
  UCR171897  Sanicula arguta John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  SD232163  Sanicula bipinnatifida Scott D. White, Michael Honer 2003-4-2 8914 Riverside Temescal Canyon: Just west of I-15 freeway and northeast of Lawson Dr. 305 Comment
  UC1424822  Sanicula graveolens E. W. Lathrop 1977-4-20 7611 Riverside 4 mi w of Corona (Summit of Santiago Peak, Skyline Drive, between Tin Mine Canyon and Santiago Peak, Skyline Drive); Santa Ana Mountains, Santiago Peak, Skyline Drive Comment
  UC310837  Sarcostemma cynanchoides subsp. hartwegii Philip A. Munz 1925-5-20 9845 Riverside Aguanga Valley Comment
  UC708738  Sarcostemma cynanchoides subsp. hartwegii H. K. Wagnon 1944-5-25 391 Riverside near falls n. side Tahquitz Canyon; Palm Springs Comment
  CHSC109698  Schismus barbatus Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10474 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
  RSA386262  Schismus barbatus Christopher Davidson 1973-4-1 1806 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SEINET7297410 Image available Schismus barbatus Isely, Bragonier 1960-1 7196 Riverside Desert Palms Comment
  UCR125217  Schismus barbatus Mitch Provance 1998-5-5 523 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  UCR19303  Schismus barbatus John C. Roos 1952-3-19 5400 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  UCR47885  Schoenoplectus acutus var. occidentalis S. J. Myers 1987-6-24 s.n. Riverside Peninsular Range, Murrieta Creek, at confluence with Temecula Creek, near the town of Murrieta 290 Comment
  SEINET10927752  Scirpus californicus Billy Joe Cox 1975-4-23 Cox 4124 Riverside Riverside-Imperial Co. 1-3 km W, (ca 32 mi. S of Blythe). 70 Comment
  RSA335035  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  CSUSB906  Scrophularia californica M. Quinlan 1974-5-25 Riverside Found in Riverside county on the bank of the Santa Ana River about 1 mile form the Riverside Municipal Airport in Riverside 266 Comment
  RSA425210  Scrophularia californica subsp. floribunda E. Crow 1929-3-17 202 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA0035196  Scrophularia californica var. floribunda Bruce Albert 1982-4-17 49 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Comment
  CAS-BOT-BC341098  Scutellaria mexicana Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA160552  Scutellaria siphocampyloides John Olmsted 1959-6-23 660 Riverside Reservoir Hill at Desert Sun School near Idyllwild. 1646 Comment
  RSA560835  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR174154  Scutellaria tuberosa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32573 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET10470948  Selaginella bigelovii Lewis S. Rose 1934-12-25 Rose 34495 Riverside Rocky Desert Hills. T Cross Ranch, Mission Canyon. 10 miles N of Whitewater. Comment
  SEINET10569125  Selaginella bigelovii Rose 1935-12-27 Rose 35706 Riverside Colorado Desert, Palm Canyon, dry rocky slopes. 305 Comment
  RSA641073  Selaginella eremophila Louis Cutter Wheeler 1964-10-17 8639 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
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Sep 3 2013
  SD181812  Selaginella eremophila Louis C. Wheeler 1964-10-17 8639 Riverside North slope of Orocopia Mountains, southerly from Hayfield Reservoir, below water shedding sloping rock faces in sun. Comment
  SEINET4065944  Selaginella eremophila S. B. Parish 1907-1 611 Riverside Collected from the western border of the Colorado desert. 200 Comment
  UCR146130  Selaginella watsonii Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1446 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UC1584113  Senecio californicus Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3868 Riverside cinder cone ridge at n side mouth Temecula Creek Canyon (and adjacent benches on s flank Big Oak Mts); Vail Lake Area, n side mouth Temecula Creek Canyon, s flank 396 Comment
  UC1595589  Senecio californicus Steve Boyd and Dave Bramlet 1990-4-29 4495 Riverside Lake Skinner County Park , se base Bachelor Mtn. (se base Bachelor Mtn) Comment
  UCR138591  Senecio flaccidus var. douglasii D. L. Banks 1996-11-7 1219 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. Along the main road in the Reservation, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  SBBG62720  Senecio mohavensis M. N. Ackley 1928-3-31 302 Riverside Hidden Spring 304 Comment
  UCR52152  Senecio mohavensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR26101  Senecio vulgaris John C. Roos 1952-3-26 5417 Riverside City of Riverside, Fairmount Park 259 Comment
  SBBG25154  Senna armata Leota Davidson 1965-5-13 138 Riverside Joshua Tree Nat Monument Comment
  UCR148052  Senna armata Steve Boyd, Et al. 2004-5-14 11267 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
  RSA0112042  Setaria adhaerens A. C. Sanders, Jose Aguiar 2012-12-19 40533 Riverside Sonoran (Colorado) Desert: Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal. -8 Comment
  UCR125277  Setaria adhaerens A. C. Sanders 2002-11-21 25636 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA651762  Setaria parviflora Diane T. Liggett 1981-5-16 12 Riverside Riverside Freeway (91) east of Gypsum Canyon Road, north to Featherly Park entrance, east ot bike trail, 0.2 km east. Comment
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Jul 14 2013
  UCR207646  Setaria viridis O. F. Clarke 2003-9-29 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR Campus 335 Comment
  LA205901  Sidalcea malviflora W. B. Welch; 1932-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  RSA503415  Sidalcea malviflora J. D. Olmsted 1962-5-10 3634 Riverside western Riverside County, just north of SE edge of Santa Ana Mts., S Divide T.T. before dropoff; SSW of Lake Elsinore. 1006 Comment
  POM13266B  Sidalcea malviflora subsp. sparsifolia P. A. Munz, I. M. Johnston 1922-5-19 5441 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  RSA88008  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19562 Riverside north edge of town of Idyllwild. Comment