Search Results — 2000 specimen records retrieved (1896 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229326  Abronia villosa R. F. Hoover 1969-4-14 11232 Riverside Palm Springs, just south of south city limit Comment
  CAS-BOT-BC229346  Abronia villosa Jenkins; Street 1917-5-30 1935 Riverside San Jacinto Comment
  POM122577  Abronia villosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA340185  Abronia villosa Robert F. Thorne, W. A. Tilforth 1980-5-28 54181 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  SEINET156036  Abronia villosa Norman C. Cooper 1944-7-15 1592 Riverside Palms to Pines Hwy. 1463 Comment
  RSA593979  Abronia villosa var. aurita D. L. Banks, Elizabeth Hedge Banks 1996-5-2 966 Riverside NW Palomar Mountains; Agua Tibia Mountains; WSW of Dorland Mtn., in the Pechanga Indian Reservation; Along the sandy margins of Pechanga Creek, approximately 15 m E of Pala Road. 351 Comment
Read comments
May 12 2011
  UCR238088  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA779201  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  UCR27850  Abutilon palmeri A. C. Sanders 1982-11-24 3272 Riverside Riverside, University of California, Botanical Garden, slope above Alder Canyon near the Garden Office. Comment
  RSA683199  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR25147  Acacia greggii John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon, north of Chiriaco Summit Comment
  RSA414908  Acacia greggii var. arizonica Anstruther Davidson 1892-05 s.n Riverside Banning. Comment
  POM294267  Acamptopappus sphaerocephalus var. sphaerocephalus Lyman Benson 1945-4-6 11658 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 Comment
  POM353067  Achnatherum coronatum N. C. Cooper 1944-4-8 1073 Riverside Andreas Canyon 305 Comment
  CAS-BOT-BC260328  Achnatherum hymenoides Marcus E. Jones 1903-5-11 s.n. Riverside Colorado Desert. Whitewater, about station 304 Comment
  SBBG57047  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  RSA651621  Achnatherum speciosum Tom Griggs 1968-5-4 s.n. Riverside Palms to Pines Hwy. Comment
  CAS-BOT-BC384683  Achyronychia cooperi Cecil Hart 1926-3-1 s.n. Riverside Between Whitewater & Indio Comment
  CAS-BOT-BC384726  Achyronychia cooperi Roxana S. Ferris 1918-6-14 970 Riverside In desert at Palm Springs Comment
  RSA516871  Achyronychia cooperi Steve Boyd, Thomas S. Elias, B. Roy, Sara Meury, S. Zona 1986-3-5 1344 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  UCR164926  Achyronychia cooperi John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  LA204941  Acmispon argophyllus var. argophyllus Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  SD119935  Acmispon grandiflorus var. grandiflorus Louis B. Ziegler 1972-5-29 467 Riverside San Jacinto Mountains, west slope along Highway 74. 1341 Comment
  GMDRC6566  Acmispon heermannii var. heermannii J. M. Andre 2012-6-15 30522 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  SD232684  Acmispon nevadensis var. davidsonii Scott D. White 1996-8-1 4418 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. Comment
  JOTR34197  Acmispon strigosus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2990 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  SDSU14071  Acmispon strigosus Jonathan S. Austin, Michael G. Simpson 2002-4-20 15 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UCR245229  Acmispon strigosus Jim Andre 2012-3-19 21317 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  RSA748219  Adenostoma fasciculatum T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 110 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  UCD112621  Adenostoma fasciculatum Geoffrey Levin 1975-5-9 497 Riverside Dripping Springs Forest Service Station, Cleveland National Forest. 487 Comment
  UCR135844  Adenostoma fasciculatum A. C. Sanders 2004-4-20 27533 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  SBBG210  Adiantum capillus-veneris H. and M. Dearing 1942-1-30 4790 Riverside Palm Cyn near Palm Springs Comment
  CLARK-A1528-3578  Adiantum pedatum John C. Roos 1948-5-29 3871 Riverside Whitewater Canyon Comment
  UCR95456  Agave americana D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1120 Riverside Agua Tibia Mountains, University of Calif. - Emerson Oaks Reserve. NW foothills of Dorland Mtn, S end of Los Caballos Road, c. 20 m inside the reserve boundary gate & 100 m east of the main road at the edge of an open field & the native chaparral 448 Comment
  UC29361  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 2038 Riverside meadows of the s side San Jacinto Mountains 1341 Comment
  UCSB6321  Agoseris retrorsa Keator, Glenn 1948-7-3 Riverside Hall Canyon, San Jacinto Mts. 1706 Comment
  RSA384966  Agrostis exarata E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR96599  Agrostis exarata Scott D. White 1996-8-1 4452 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  UCD117159  Ailanthus altissima Earl W. Lodthrop 1977-5-19 7681 Riverside Santa Ana Mountains. Base of Sierra Peak, facing Santa Ana Canyon, 1 mile NE of Coal Canyon. 167 Comment
Read comments
Apr 27 2013
  UCR72781  Alchemilla arvensis Joe Di Bernardo 1992-4-16 92- 2 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, condominium complex at Mountain Shadows Golf Course Comment
  UCR207357  Alchemilla occidentalis O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  SBBG81636  Aliciella latifolia subsp. latifolia S. A. Junak 1983-3-23 1636 Riverside E side of Jefferson Rd, across from entrance to Cahuilla Lake County Park Comment
  UCR35199  Allionia incarnata L. B. Ziegler 1966-9-13 83 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  SD130878  Allium fimbriatum var. munzii Craig Reiser 1991-4-25 Riverside Gavilan Plateau, south edge of Harford Springs Park, south of Ida Leona Road, east of Gavilan Road. Rocky opening in chaparral. (IPB 2/08) Comment
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Apr 2 2011
  UC843420  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside e Hemet 640 Comment
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May 11 2010
  CAS-BOT-BC475415  Allium praecox S. Mashayekhi; M. Biabani 2008-4-8 009 Riverside S of Harford Spring Co. Park, S. of Idaleona Rd., N. of hill in canyon 606 Comment
  RSA663323  Allium praecox Mitch Provance 1998-3-7 149 Riverside Jurupa Mountains: Rattlesnake Mt.'', ca. 0.5 km E of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 335 Comment
  UCR193749  Allophyllum A. C. Sanders, Mitch Provance 2008-7-11 35752 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR193887  Allophyllum A. C. Sanders, Mitch Provance 2008-7-11 35772 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
  UC52844  Allophyllum gilioides subsp. violaceum H. M. Hall 1901-7-17 2450 Riverside Tauquitz Valley San Jacinto Mts., Tauquitz Valley 2133 Comment
  JEPS123742  Aloysia wrightii J. Andre, T. La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain 7.5' USGS Quad. Comment
  JOTR32108  Amaranthus albus Harding, Mitzi, Kipp Callahan 2012-8-27 283 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA192207  Amaranthus albus H. A. Zuill 1966-7-7 278 Riverside Beside Tenaja Road near the junction to Santa Rosa Ranch and Tenaja Guard Station, 9-10 miles SW of Murrieta Comment
  UCR113544  Amaranthus albus Mitch Provance 1998-6-6 698 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR167796  Amaranthus albus T. B. Salvato, Melissa Clemons 2005-6-23 1319 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR207464  Amaranthus albus O. F. Clarke 2004-6-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR77685  Amaranthus albus Steve Boyd 1991-7-13 6415 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  RSA402973  Amaranthus blitoides L. S. Rose 1967-12-20 67185 Riverside 6 mi. SE, of Thousand Palms. 15 Comment
  CDA23676  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23101 Riverside San Jacinto Mountains; Lake Hemet, north shore at FS day use area Comment
  RSA0078231  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  RSA451025  Amaranthus retroflexus Stephen M. Beckstrom-Sternberg 1985-9-10 1015 Riverside U.C.R. garden plots. Comment
  JOTR30809  Amaranthus torreyi Andre, Jim, Tasha La Doux 2008-9-16 10686 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
  CAS-BOT-BC61398  Amauriopsis dissecta Philip A. Munz 1938-8-14 15364 Riverside East of Toro Peak, Santa Rosa Mts. 2438 Comment
  CAS-BOT-BC22580  Ambrosia dumosa Marcus E. Jones 1929-9-16 25074 Riverside E of Desert Center Comment
  CAS-BOT-BC22597  Ambrosia dumosa Roxana S. Ferris 1918-6-17 1002 Riverside 5 miles E of Gruendikes Well on Mecca-Blythe Road Comment
  CAS-BOT-BC22602  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -329 Riverside Joshua Tree National Monument: about 3 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22604  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -331 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  UC1118439  Ambrosia dumosa H. S. Yates 1936-4-7 5416 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  UC1329946  Ambrosia dumosa James E. Cole 1941-4-13 569 Riverside .5 mi n Meek's Cabin; Joshua National Monument, Pinto Pass Comment
  UC896717  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
Read comments
Apr 24 2011
  RSA93929  Ambrosia dumosa Donald A. Johansen, Joseph A. Ewan 1932-4-11 7066 Riverside Mouth of Tahquitz Canyon Comment
  SJSU11733  Ambrosia ilicifolia R. C. McGehee 1970-4-30 248 Riverside 4 miles W of Corn Spring Canyon ca. 18 miles SE of Desert Center Comment
  UCR280928  Ambrosia pumila Mitch Provance 2017-5-26 517- 61 Riverside Elsinore Trough, Lake Elsinore, 0.2 mile north of Pinnell Rd. 393 Comment
  IRVC26145  Amelanchier utahensis Art Whistler 1966-5-8 15 Riverside downstream from Lake Fulmor, Route 74. Peninsular Ranges/ San Jacinto Mountains 1585 Comment
  UCR266908  Ammannia coccinea D. E. Bramlet 2005-7-13 3900 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  RSA0000639  Ammoselinum occidentale P. A. Munz, D. Keck 1922-4-13 4930 Riverside Hayfields, Chuckwalla Valley 152 Comment
  RSA220980  Amorpha californica E. W. Lathrop 1966-5-8 6454 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CDA7723  Amsinckia intermedia Richard W. Shaffer 2008-2-25 PDR# 1262475 Riverside Themal, Avenue 66 & Pierce Street 0 Comment
Read comments
May 21 2016
  CLARK-A1045-236  Amsinckia intermedia George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  SDSU18981  Amsinckia intermedia C. Matt Guilliams 2008-2-27 488 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  SEINET3083496 Image available Amsinckia intermedia Michael Theroux 1982-4-21 154 Riverside Breckenridge Rd., adjacent to Guimarra Vineyards, 2-3 mi. E of Commanche Dr., near Cottonwood Creek. (Rio Bravo Ranch 7.5' Quad) Comment
  UCR162641  Amsinckia intermedia S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA499877  Amsinckia menziesii E. A. McGregor 1965-4-20 s.n. Riverside Near Aguanga, along Rt. 79. Comment
  UCR157957  Amsinckia retrorsa T. B. Salvato, A. C. Sanders 2005-5-17 917 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
  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
  RSA0091469  Amsinckia tessellata P. A. Munz 1949-4-12 13024 Riverside North base of Eagle Mts., Mohave Desert. 945 Comment
  SEINET7063025  Amsinckia tessellata var. gloriosa A. G. Vestal 1962-3-29 s.n. Riverside About 4.6 miles northeast of Murieta. UTM Zone 11, 487800mE, 3712252mN. (WGS84/NAD83). 346 Comment
  RSA180287  Anagallis arvensis E. W. Lathrop 1965-4-25 5671 Riverside 4 miles Sw of Murrieta. Comment
  RSA52803  Ancistrocarphus filagineus J. C. Roos 1950-4-29 4773 Riverside Reche Canyon near Console Springs. 610 Comment
  CAS-BOT-BC137843  Andropogon glomeratus var. glomeratus W. R. Dudley 1903-12-26 s.n. Riverside Near Warm Springs Palm Canyon. Comment
  JOTR29574  Anisocoma acaulis Andre, Jim 2006-4-26 6778 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  JOTR37762  Anisocoma acaulis Hodges, Stephen R. 2016-2-29 718 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UC29461  Anisocoma acaulis H. M. Hall 1901-6-1 Riverside s side, wooded slopes and benches San Jacinto Mountains 1737 Comment
  UCR34900  Anisocoma acaulis L. B. Ziegler 1969-4-21 351 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  UCR118634  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside, abandoned orange orchard north of 1012 Spruce St. 305 Comment
  UCR20975  Anthriscus caucalis G. Auxier 1980-4-30 s.n. Riverside Peninsular Range, 2 mi. north of Rainbow 366 Comment
  POM262948  Antirrhinum coulterianum J. C. Roos 1941-5-17 138 Riverside About 4 miles SW of March Field. Comment
  RSA425791  Antirrhinum coulterianum Ora M. Clark 1929-2-23 1563 Riverside North of Whitewater Comment
Read comments
Dec 31 2017
  RSA4396  Antirrhinum coulterianum R. C. Bacigalupi 1954-4-25 4396 Riverside First-year 'burn' along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  RSA769519  Antirrhinum coulterianum Duncan S. Bell, Lucilla Reccia 2010-5-5 968 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.3 air mile southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 758 Comment
  RSA773173  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-5-27 1123 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.8 air mile southeast of junction of Highway 74 and forest service road 5S15. 768 Comment
  UCR133654  Antirrhinum coulterianum Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCSB12687  Antirrhinum coulterianum Hochberg, Fred 1961-5-6 Riverside 50 ft. off Riverside 1; 7 miles from junction at Banning; base of San Jacinto Mtns 1158 Comment
  RSA0034830  Antirrhinum coulterianum J. C. Roos 1941-5-17 138 Riverside About 4 miles S.W. of March Field. Comment
  CLARK-A1528-840  Antirrhinum nuttallianum Fred B. Essig 1967-5-7 Riverside Box Springs Mountains Comment
  SD227898  Antirrhinum nuttallianum A. C. Sanders 1994-5-15 14492 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR35227  Antirrhinum nuttallianum L. B. Ziegler 1976-6-11 548 Riverside From hill SE of Hemet in the foothills of of the San Jacinto Mtns. 549 Comment
  UCR25370  Antirrhinum nuttallianum subsp. nuttallianum John C. Roos 1952-4-13 5517 Riverside Riverside, Box Springs Mtns above Canyon Crest Heights 457 Comment
  UC1608306  Apocynum cannabinum Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7327 Riverside San Mateo Canyon from confluence with Los Alamos Canyon to confluence with Tenaja Canyon; S. Santa Ana Mts., San Mateo Canyon Wilderness Area 365 Comment
  CDA7121  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside South side of UCR campus behind botany greenhouses, Riverside. Comment
  RSA740071  Arabis glabra Scott D. White, Justin M. Wood 2008-6-16 12134 Riverside Meadow at Quinn Flat. 1378 Comment
  RSA66246  Arabis holboellii var. retrofracta E. C. Jaeger 1922-6-29 5442 Riverside Lower Tahquitz Valley 2043 Comment
  UCR35194  Arabis johnstonii L. B. Ziegler 1968-4-20 282 Riverside San Jacinto Mtns, Rocky hills at foot of old road to Old Morris Ranch (near Quinn Flats) 1387 Comment
  CAS-BOT-BC409998  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside Idyllwild Area: N of ISOMATA along USFS Rd 5S24.1 1645 Comment
  UCR122853  Arctostaphylos glandulosa Susanne M. James 1979-1-20 12 Riverside San Jacinto Mtns., 2.5 mi north of Soboba Indian Reservation and 1 mi west of San Bernardino National Forest along Poppet Flat Road Comment
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  SEINET11998393  Arctostaphylos glandulosa W. Knight, Knight, I. 1985-1 6063 Riverside between Idyllwild & Banning on Hwy 243 between Vista Grande Forest Station & Hurley Flats Rd 1463 Comment
  RSA629404  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19523 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UC1120312  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1938-10-23 822 Riverside Idyllwild San Jacinto Quadrangle 1524 Comment
  RSA631840  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16503 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  UCSB9378  Arctostaphylos glauca Haller, John 1950-5-20 Riverside Base of San Jacinto Mtns., Hemet-Idyllwild Road, opposite Cranston Ranger Station 609 Comment
  RSA0120001  Arctostaphylos parryana Duncan S. Bell, Thomas Stoughton 2016-4-13 9254 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA633576  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21774 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  UCR240627  Arctostaphylos pringlei Tracy Tennant, Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  SBBG5417  Arctostaphylos pringlei subsp. drupacea H. and M. Dearing 1937-11-27 1283 Riverside Santa Rosa Mtn Comment
  UC21862  Arctostaphylos pringlei subsp. drupacea H. M. Hall June 1901 2092 Riverside s side San Jacinto Mountains 1524 Comment
  UCSB12964  Arctostaphylos pringlei subsp. drupacea Tinnin, Robert 1962-5-5 Riverside 20.5 miles south of Banning on highway to Idyllwild 1767 Comment
  CAS-BOT-BC46340  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Hemet Valley, San Jacinto Mts. 1676 Comment
  GMDRC6546  Arctostaphylos pungens J. M. Andre 2012-6-15 30498 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA635775  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16586 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA0027581  Aristida adscensionis Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 36 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
  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
  RSA786536  Aristida adscensionis C. P. Cowan 1978-4-23 1225 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  CLARK-A1528-4474  Aristida parishii John C. Roos 1942-5-2 1154 Riverside Joshua Tree National Park Comment
  UCR54264  Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  RSA0124743  Aristida purpurea var. wrightii Duncan S. Bell, LeRoy Gross 2016-3-9 8842 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UC815792  Aristida purpurea var. wrightii C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring Comment
  UCR110452  Artemisia biennis D. E. Bramlet 1998-6-25 2640 Riverside Perris-Aguanga Basin region, North Domenigoni Hills. 1.83 km east of Warren Road and 1 km south of Harrison Avenue, 244m east of the access road to the EMWD storage tank 495 Comment
  UCR59135  Artemisia californica N. M. Fellows 1986-1-18 165 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mt 506 Comment
  UCR85178  Artemisia californica A. C. Sanders 1995-2-19 15936 Riverside San Bernardino Mountains/Coachella Valley, Mission Canyon, along Mission Creek Rd. 1.75 mi. above Hwy 62 600 Comment
  CLARK-A1528-1567  Artemisia douglasiana John C. Roos 1937-8-17 1219 Riverside San Jacinto Comment
  HSC101294  Artemisia dracunculus A. C. Sanders, D. L. Sanders 2010-11-28 38700 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 232 Comment
  JOTR32634  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  JOTR32844  Artemisia ludoviciana subsp. incompta La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  SEINET3386498 Image available Artemisia tridentata subsp. tridentata R. E. Riefner Jr. 2006-9-19 442 Riverside Temecula Valley, ca 0.1 mi west of I-15 Freeway along Temecula Creek 301 Comment
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Feb 28 2016
  SEINET2044554 Image available Artemisia tridentata var. angustifolia H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs, along route 79. Comment
  SEINET10513658  Arundo donax David B. Dunn 1947-2-9 Dunn 2851 Riverside Pushawall canyon. Indio hills. By lower part of stream. Comment
  JOTR36089  Asclepias albicans La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3316 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  RSA0104763  Asclepias californica D. L. Banks 1995-4-11 176 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 Dripping Springs Trail. 829 Comment
  UCR77565  Aspidotis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-2 6637 Riverside Santa Ana Mtns, Cleveland National Forest. Upper San Mateo Canyon between the confluence of Tenaja Canyon and Los Alamos Canyon 427 Comment
  UCR24401  Aster alpigenus John C. Roos 1937-8-18 2539 Riverside San Jacinto Mountains, Taquitz Valley 2500 Comment
  RSA40608  Aster ascendens J. C. Roos 1946-9-14 3014 Riverside Thomas Valley 1375 Comment
  RSA653764  Aster hesperius Dr H. Baer 1923-9-24 s.n. Riverside Shore of Lake Elsinore Comment
  RSA48421  Astragalus aridus E. K. Balls 1949-4-2 s.n Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  UC667342  Astragalus bernardinus Annie M. Alexander and Louise Kellogg 1941-4-29 2104 Riverside 13 mi ssw 29 Palms (Joshua Tree National Monument); , sw of 29 Palms 1371 Comment
  CAS-BOT-BC178634  Astragalus coccineus Edmund C. Jaeger 1921-4-2 s.n. Riverside Upper reaches of Deep Creek, Santa Rosa Mts. 1371 Comment
  NY43150  Astragalus coccineus J. B. Walker 1995-5-4 1414 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  SEINET3130821  Astragalus coulteri G. B. Grant 1906-1 77 a-6747 Riverside Palm Springs, on Colorado Desert Comment
  POM303047  Astragalus crotalariae P. A. Munz 1941-3-29 16591 Riverside Salton Wash north of Salton Sea. Comment
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Jan 22 2012
  UC68629  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5940 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  SBBG3180  Astragalus douglasii H. and M. Dearing 1937-11-28 852 Riverside Santa Rosa Mtns Comment
  CAS-BOT-BC178450  Astragalus douglasii var. parishii H. M. Hall 1899-5-21 1117 Riverside San Jacinto Mts. 1828 Comment
  UCR104622  Astragalus douglasii var. parishii D. E. Bramlet 1990-6-20 2040 Riverside Arroyo Seco. Approximately 915 m south of Hwy 79 and 152 m south of the Dripping Springs Campground, 30 m east of the main wash. 494 Comment
  RSA799379  Astragalus insularis var. harwoodii Duncan S. Bell 2013-4-7 4755 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  SEINET13752370  Astragalus insularis var. harwoodii Heather Breakiron 2017-3-25 4 Riverside 10 miles ESE of Blythe, along power line road that funs east and west of new solar plant Comment
  UC1547005  Astragalus insularis var. harwoodii Leila M. Shultz, John S. Shultz 1985-4-15 8391 Riverside at Wiley's Well Road between McCoy and Mule Mountains (Chuckawalla Valley depression); , bet McCoy and Mule Mountains 121 Comment
  CAS-BOT-BC187172  Astragalus lentiginosus var. fremontii Annie M. Alexander; Louise Kellogg 1941-5-4 2112 Riverside Joshua Tree National Monument 1249 Comment
  POM172737  Astragalus mohavensis var. mohavensis M. French Gilman 1930-4-6 4 Riverside [Monsen] Canyon, Eagle Mts. Comment
  RSA0124744  Astragalus nuttallianus var. imperfectus Duncan S. Bell, LeRoy Gross 2016-3-9 8841 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  CAS-BOT-BC192759  Astragalus palmeri Reid Moran 1941-5-4 837 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  POM47792  Astragalus palmeri Mary F. Spencer 1918-3-4 743 Riverside Palm Springs. 137 Comment
  RSA0121041  Astragalus palmeri Duncan S. Bell, LeRoy Gross 2016-3-29 9126 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UC81354  Astragalus palmeri S. B. Parish Mar, 1881 735 Riverside Agua Caliente (i.e. Palm Springs) Agua Caliente (Palm Springs) Comment
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Jul 15 2009
  UCR35037  Astragalus palmeri L. B. Ziegler 1972-5-17 459 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  CAS-BOT-BC194133  Astragalus pomonensis L. R. Abrams 1926-3-27 11138 Riverside Between Redlands and Bannings at junction of Wildwood Canyon Road Comment
  CAS-BOT-BC194134  Astragalus pomonensis L. R. Abrams 1935-4-7 13661 Riverside 1 mi. west of Val Verde, Gavilan Hills Comment
  SBBG3239  Astragalus pomonensis H. and M. Dearing 1939-4-5 3089 Riverside above Hemet Valley on Beaumont Rd Comment
  SEINET3860170  Astragalus pomonensis John F. Green 2009-3-7 s.n. Riverside Peninsular Range: Wildomar, west of Grand Ave off Sweet Nectar Rd.; 0 415 Comment
  UC1094504  Astragalus pomonensis Peter H. Raven, Sidney R. Snow 1956-6-30 9543 Riverside along road 1.7 mi w Dripping Springs Guard Station (on road to Temecula); w of Dripping Springs, on road to Temecula Comment
  UCR172258  Astragalus pomonensis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  SEINET3134680  Astragalus sabulonum L. S. Rose 1938-2-1 38011 Riverside 10 mi W of Blythe 122 Comment
  UCR18987  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Western Colorado Desert, Sandy flats 2 or 3 miles east of Mecca Comment
  RSA450305  Astragalus tricarinatus J. C. Roos 1948-5-8 3826 Riverside Whitewater. 518 Comment
  UC218672  Athyrium filix-femina var. cyclosorum P. A. Munz 1922-7-6 6030 Riverside n fork of Tahquitz Creek; San Jacinto Mts 2225 Comment
  RSA525687  Athysanus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4558 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA613414  Athysanus pusillus D. L. Banks 1997-4-5 1677 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  JOTR34391  Atrichoseris platyphylla Andre, Jim 2012-4-16 20918 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  POM305642  Atriplex Henry J. Ramsey, Henry J. Ramsey 1937-3-2 857 Riverside Desert center, Mojave Desert Comment
  RSA557365  Atriplex argentea Julie Greene, James Dice 1993-6-25 1374 Riverside North side of San jacinto River levee, West of Davis Road. 433 Comment
  UCR275574  Atriplex argentea T. B. Salvato 2005-6-13 605- 7 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  POM278665  Atriplex canescens Grant D. Brown 1949-12-14 471 Riverside 1/2 mile west of Indio city limits on Hwy 99. Comment
  POM278695  Atriplex canescens Grant D. Brown 1950-3-29 525 Riverside At San Jacinto River Bridge 3 miles N of San Jacinto Comment
  SD40819  Atriplex canescens Carl B. Wolf 1932-10-13 4306 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  SEINET3090648 Image available Atriplex canescens H. S. Gentry 1954-7-24 14249 Riverside Aguanga Comment
  SEINET3930594  Atriplex canescens Grant D. Brown 1950-3-29 521 Riverside Aguanga on highway 379.; 0 549 Comment
  RSA452444  Atriplex canescens var. linearis F. R. Fosberg 1940-10-4 S- 4102 Riverside Indian Wells, Coachella Valley Comment
  SD40834  Atriplex canescens var. linearis Carl B. Wolf 1932-10-13 4322 Riverside Notheast side of Salton Sea at Durmid, northeast side of Southern Pacific Railroad tracks. 199 Comment
  UCR68039  Atriplex davidsonii D. E. Bramlet 1991-5-2 3012 Riverside San Jacinto Valley, 20m south of Setson Road at the intersection of Setson Road and California Avenue; c. 200m west of the MWD canal. Comment
  CAS-BOT-BC523903  Atriplex glauca D. E. Bramlet 2005-5-5 3847 Riverside Perris-Aguanga Basin Region: San Jacinto Valley, canal right-of-way north of Devonshire Ave. 457 Comment
  RSA760984  Atriplex polycarpa Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 146 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  UCR49997  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  SDSU13515  Atriplex semibaccata W. Miller with C. Mosse 1972-7-20 Riverside Under oak tree where north road comes into river bottom nor th of beaver dam. Comment
  SEINET7986069  Atriplex semibaccata Virginia Moran 1999-2-9 No determinado Riverside Riverside, Wes Costa Thoroughbred Farm, 12150 Riverside Avenue Comment
  RSA736656  Atriplex serenana var. serenana Justin M. Wood 2008-7-16 30 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Nov 16 2010
  UCR110398  Atriplex triangularis A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23181 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR104080  Avena fatua A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20649 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
  UCR232797  Avena fatua John F. Green 2008-4-16 0408- 40 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  POM11740  Azolla filiculoides Philip A. Munz 1922-4-29 5109 Riverside Lancaster Valley, s. of Hemet 457 Comment
  JOTR16561  Baccharis brachyphylla Hogan, J. 1974-9-27 164 Riverside Joshua Tree National Park. RYAN CAMPGROUND 1325 Comment
  UC774847  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11437 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  UCR138718  Baccharis salicifolia Julie A. Greene 1993-4-17 1221 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR189288  Baccharis salicifolia Fred M. Roberts, S. Leatherman 2007-9-19 6591 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SDSU13343  Baccharis salicifolia subsp. salicifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 32 Riverside Santa Margarita Ecological Reserve(SDSU). Near the center of the canyon, west of the pipe line crossing. 239 Comment
  UC50298  Baccharis salicifolia subsp. salicifolia H. M. Hall 1903-4-1 3812 Riverside vicinity of Riverside Riverside 304 Comment
  UC472157  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside 4 mi nw of Corona; Santa Ana River Comment
  RSA342551  Baccharis sergiloides R. F. Thorne 1980-4-16 54094 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA5608  Baccharis sergiloides C. B. Wolf 1932-10-11 4272 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  RSA592691  Baccharis sergiloides Scott D. White, D. Haselfeld 1996-7-2 4274 b Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SD80133  Baccharis sergiloides Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-6 360 Riverside Andreas Canyon, east slope San Jacinto Mountains 455 Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UCR116835  Baileya pauciradiata Helen Kennedy, Fred R. Ganders 1980-4-15 4065 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  RSA793531  Bebbia juncea Naomi Fraga, David Fraker, Thomas Stoughton 2012-3-15 3947 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SEINET13276697 Image available Bebbia juncea Mitch Provance 2012-1 712 -06 Riverside Colorado Desert: Thousand Palms Canyon Road, +-2/3 of the way up into the canyon. (Myoma 7.5' Q.) 140 Comment
  UCR72213  Bebbia juncea Theo Glenn 1991-5-20 91- 106 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  RSA0062664  Bebbia juncea C. J. Humphrey, Herbert Humphrey 1936-6-7 405 Riverside In foothills 18 miles East of Riverside. 548 Comment
  CLARK-A1528-102  Beloperone guttata Brian L. Estes 1961-5-10 1474 Riverside Riverside Comment
  UC1126275  Berberis aquifolium var. dictyota R. St. John 1931-3-13 195 Riverside Bald Peak; Corona Quadrangle Comment
  CLARK-A1528-2687  Bernardia incana John C. Roos 1946-9-14 3024 Riverside San Jacinto Mountains Comment
  JOTR32894  Bernardia incana La Doux, Tasha, E. Babich 2008-3-5 3017 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 3mi NE of Cottonwood Visitor Center; open rocky bajada/pediment 1085 Comment
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Jan 19 2014
  GMDRC5192  Bernardia myricifolia T. La Doux, D. Shade, M. Harding, M. Wheeler, T. Herskovits 2011-10-13 2565 Riverside Little San Bernardino Mountains: northwest end of Eagle Mountains, 3 mi. north of Cottonwood Visitors Ctr. 1055 Comment
  SDSU11577  Bloomeria crocea Charles F. Phleger 1962-5-23 23 V62 Riverside Collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  RSA482755  Boechera M. B. Dunkle 1937-3-25 4952 Riverside Dry Morongo. Comment
  SBBG72283  Boechera arcuata M. N. Ackley -May-1929 Riverside Tahquitz 2438 Comment
  SEINET3162697  Boechera johnstonii M. D. Windham 2004-3-31 2954 Riverside SE of Lake Hemet in canyon above Kenworthy Station ca. 2.82 km WSW of the summit (6868) of Lion Peak 1605 Comment
  JEPS61277  Boerhavia coccinea W. L. Jepson 1928-4-25 12611 Riverside Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  SD181442  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. junction in Blythe. 89 Comment
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Aug 21 2019
  SBBG92286  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range, 680 Comment
  UCR211497  Boerhavia triquetra Jim Andre, T. La Doux 2008-9-13 10264 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  UCR20797  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, S. D. Boyd 1980-5-19 1473 Riverside Perris-Aguanga Basin, upper edge of Lake San Jacinto near Quail Lake Golf Course. Gilman Springs Road c. 1.5 mi northwest of Jackrabbit Trail. 442 Comment
  JOTR33680  Bothriochloa barbinodis La Doux, Tasha, Mike Bell 2003-10-17 1592 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  JOTR37742  Bothriochloa barbinodis Hodges, Stephen, Cody Fogg and Kelsey Bosch 2015-10-5 538 Riverside near the pink house, Barker Dam vicinity 1236 Comment
  RSA674869  Bothriochloa barbinodis Scott D. White, T. B. Salvato 2001-6-8 8587 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCSB9820  Bothriochloa barbinodis Beach, Kay 1942-10-23 Riverside Dos Palmas Spring; 0.75 mi E of road at point 20 mi from Kenworthy Forest Stn. and 12 mi N of Jct of Indio and Palmas highways; side road; San Bernardino Ntl Forest Comment
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Mar 2 2014
  UCR242652  Bouteloua aristidoides A. C. Sanders, T. B. Salvato 2012-10-12 40437 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  JOTR38521  Bouteloua aristidoides var. aristidoides Harding, Mitzi, Kipp Callahan 2012-8-27 290 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  JOTR29253  Bouteloua barbata var. barbata La Doux, Tasha 2005-8-17 1534 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1321 Comment
  LA102207  Bouteloua eriopoda John C. Roos; 1958-9-28 sn Riverside Santa Rosa Mountains, Abestos Spring, Pinon Flats 1219 Comment
  UCR260893  Bowlesia incana A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41528 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  UCR207232  Brachypodium distachyon O. F. Clarke 2008-4-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR264749  Brachypodium distachyon Steve Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region., City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  RSA394247  Brandegea bigelovii M. B. Dunkle 1933-3-4 3068 Riverside Painted Canyon 61 Comment
  UCR102706  Brandegea bigelovii B. G. Pitzer 1998-1-24 3390 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
  SD152905  Brassica rapa Steve Boyd, Orlando Mistretta 1992-4-23 7062 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. Local along trail on dry rocky slopes. 244 Comment
  UC1595585  Brassica rapa Steve Boyd, Orlando Mistretta 1991-5-9 6180 Riverside along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons (Santa Ana Mountains); , Bedford Truck Trail 548 Comment
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Nov 23 2007
  UCR275352  Brassica rapa T. B. Salvato, Melissa Clemons 2005-6-9 1495 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UC1922426  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR245917  Brassica tournefortii Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3955 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA770437  Brickellia atractyloides var. arguta Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4569 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CLARK-A1528-1661  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Jackrabbit Trail 609 Comment
  RSA772008  Brickellia californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4963 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  CLARK-A1528-5510  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  OBI31830  Brickellia incana David J. Keil 1978-11-27 s.n. Riverside I-1- exit at Hayfield rd Comment
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Mar 3 2013
  SEINET10570584  Brodiaea capitata Coopern 1945-5-24 COOPERN 1626 Riverside Big oaks canyon, open woodland. Flowers blue 1219 Comment
  UCR111612  Brodiaea filifolia D. E. Bramlet 2000-5-3 3004 Riverside Perris Basin, 4.3km east of Perris, 183-305m south of San Jacinto Ave. and 884m west of Pico Ave. 433 Comment
  UCR88420  Brodiaea filifolia D. E. Bramlet 1995-5-24 2426 Riverside San Jacinto Wildlife Area: Lovell Unit, c. 1.7 km NE of Lakeview. 152 m east of Davis Rd. and 34 m south of the existing access road, 200 m N of the San Jacinto River channel 436 Comment
  RSA771811  Brodiaea santarosae Steve Boyd 2010-5-26 12277 Riverside Elsinore Peak, south slope, just north of trail along old Main Divide Road and east of road up to communications towers 1037 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
  RSA771882  Brodiaea terrestris subsp. kernensis Steve Boyd 2010-5-28 12284 Riverside Elsinore Peak, just south of trail along old Main Divide Road at easternmost clay knoll east of main peak 1000 Comment
  RSA652945  Bromus diandrus Mitch Provance 2000-1-8 1803 Riverside Jurupa Mountains: Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 290 Comment
  UCR172226  Bromus hordeaceus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  JOTR35916  Bromus madritensis subsp. rubens De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 822 Comment
  SEINET4138035 Image available Bromus rubens A. C. Sanders, John F. Green 2012-4-6 40008 Riverside Peninsular Range; Santa Ana Mtns. Area: Temescal Canyon, near Campbell Ranch Rd. and I-15 Fwy, 10 miles S of Corona 323 Comment
  UCR229274  Bromus rubens Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  RSA595313  Bromus rubens D. L. Banks, Victor Steinmann 1996-4-20 885 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  GMDRC3556  Caesalpinia virgata J. Andre, T. La Doux 2009-2-28 10842 Riverside Coachella Valley: along lower Berdoo Cyn Rd just S. of JTNP boundary, approx 1.5 mi. N. of Dillon Rd. USGS 7.5 min. Quad: West Berdoo Canyon 33 deg. 48.718' N 116 deg. 10.322' W. Elev. 1027 ft. 313 Comment
  RSA600831  Caesalpinia virgata C. Epling, Wm. Robison, Wm. Stewart 1936-3-22 s.n. Riverside Mecca Hills: Painted Canyon; near Mecca. Comment
  RSA86998  Caesalpinia virgata F. W. Peirson 1930-3-1 8691 Riverside Open desert at foot of Painted Canyon, near Mecca. Comment
  SEINET12160519  Caesalpinia virgata Unknown 1936-1 12788 Riverside Colorado Desert N of Palm Springs Comment
  JEPS52588  Calandrinia ambigua W. L. Jepson 1927-4-13 11688 Riverside Painted Canyon Mecca Hills (mouth) 45 Comment
  POM305822  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1072 Riverside Corona-Elsinore. Comment
  RSA180250  Calandrinia ciliata E. W. Lathrop 1965-4-18 s.n. Riverside 10 miles west of Murrieta. Comment
  UCR92780  Calandrinia ciliata Scott D. White 1994-3-29 1945 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SD229032  Calocedrus decurrens Dick Schwenkmeyer 2012-8-27 804 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  SD229033  Calocedrus decurrens Dick Schwenkmeyer 2012-6-27 734 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR131460  Calocedrus decurrens June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  UCR24899  Calocedrus decurrens A. C. Sanders 1980-7-18 1632 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR139964  Calochortus concolor John F. Green, M. D. Wilcox 2003-6-11 s.n. Riverside San Jacinto Mtns., Tripp Flats Road south of Bautista Canyon Rd. 1220 Comment
  RSA369041  Calochortus invenustus Robert L. Rutherford 1944-7-16 1440 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UC3394  Calochortus invenustus H. M. Hall 1897-6-17 642 Riverside Strawberry Valley San Jacinto Mountains 1828 Comment
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Sep 2 2011
  RSA773596  Calochortus plummerae Duncan S. Bell, Ryan Parker 2010-6-15 1308 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.9 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 740 Comment
  UC454390  Calochortus plummerae I. J. Condit 1910-6-21 Riverside San Jacinto Mts. 609 Comment
  RSA764126  Calochortus splendens Linda M. Prince, Duncan S. Bell 2009-6-17 575 Riverside Cleveland National Forest Comment
  UCR101433  Calochortus splendens A. C. Sanders 1997-4-10 20319 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR169860  Calochortus splendens Jason L. Hlebakos 2005-5-3 613 Riverside Santa Ana Mtns, Elsinore Peak 1039 Comment
  RSA92741  Calochortus splendens J. C. Roos, L. Roos 1952-5-19 5688 Riverside Between Moreno and Redlands in branch of San Timateo Canyon. 488 Comment
  UCR51535  Calochortus weedii var. weedii Tom Feldman 1988-5-30 035 Riverside Santa Ana Mtns., Calle Capistrano, 0.6 mi south of Rancho California Road and 4 mi west of Hwy 15 488 Comment
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Nov 17 2014
  RSA198973  Calycadenia tenella R. F. Thorne 1968-5-8 37590 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  RSA388327  Calycadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  JOTR16572  Calycoseris parryi Moore, Sue 1968-4-29 s.n. Riverside Joshua Tree National Park. COTTONWOOD CANYON Comment
  JOTR31999  Calycoseris parryi La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2229 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  SD45165  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside 5.0 miles northeast of Cottonwood Springs, Joshua Tree National Monument. 854 Comment
  RSA781806  Calycoseris wrightii Duncan S. Bell 2010-5-1 893 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR103280  Calyptridium monandrum B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3588 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  SD137801  Calystegia macrostegia subsp. tenuifolia Darin L. Banks 1995-4-11 172 Riverside Agua Tibia Mountains Watershed; Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain; east of the Dripping Springs Alcove Area. 950 Comment
  UCR127535  Camissonia A. C. Sanders, D. Malueg 2003-5-8 26577 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR202236  Camissonia 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
  RSA621900  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2918 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA72279  Camissonia bistorta Robert L. Dressler 1949-7-3 902 Riverside 7 miles south of Lake Elsinore. Sandy field. 427 Comment
  SEINET7073412  Camissonia bistorta A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR167676  Camissonia bistorta T. B. Salvato, Melissa Clemons 2005-6-23 1293 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR232019  Camissonia bistorta John F. Green 2008-4-24 13- 09 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR251309  Camissonia bistorta T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7426 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR166535  Camissonia boothii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10897 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR233165A  Camissonia boothii subsp. condensata Jim Andre, Glenn L. Clifton 2011-2-22 17446 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR208854  Camissonia brevipes Scott D. White 2001-4-17 8335 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  POM17949  Camissonia californica P. A. Munz 1923-6-14 7107 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA682847  Camissonia californica Scott D. White 2003-3-23 8840 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA772126  Camissonia californica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4831 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA776233  Camissonia californica Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 871 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  RSA0029396  Camissonia campestris subsp. campestris Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4680 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UC56475  Camissonia campestris subsp. campestris H. M. Hall April, 1902 2917 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  POM248149  Camissonia cardiophylla Unspecified 1939-1 s.n. Riverside near Mecca Comment
  UCR19027  Camissonia cardiophylla John C. Roos 1946-12-7 3181 Riverside Western Colorado Desert, Pushawalla Wash Comment
  UCR89867  Camissonia cardiophylla George K. Helmkamp 1994-3-10 41 19 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
  HSC66564  Camissonia claviformis Christopher Davidson, H. Surprenant, A. P. Romspert 1979-4-29 7817 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  UCR134591  Camissonia claviformis Marisa Sripracha, Kyle Boyd 2004-2-14 007 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  RSA175093  Camissonia claviformis subsp. yumae Robert F. Thorne 1963-3-29 32394 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  POM158464  Camissonia confusa P. A. Munz 1927-5-20 10819 Riverside 10 miles S. of Hemet. Comment
  RSA186751  Camissonia hirtella Peter H. Raven 1962-4-28 17489 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  UCR240653  Camissonia hirtella Tracy Tennant, Mitch Provance 1998-6-16 MOR- 406 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  RSA612853  Camissonia hirtella D. L. Banks 1997-3-29 1607 A 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
  SEINET10492078  Camissonia micrantha Timothy Reeves 1978-5-13 Reeves 6881 Riverside San jacinto mts. 5 Mi s of banning on hwy 243. Sec 22, r1e, t3s. Chaparral. Ferns among rocks or in crevices. 1097 Comment
  UCR177151  Camissonia pallida Scott D. White, Michael Honer 2003-4-25 9092 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  HSC25792  Camissonia pallida subsp. pallida Richard Spjut 1972-3-30 2349 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  JOTR34167  Camissonia pallida subsp. pallida Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 124 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  RSA449242  Camissonia pallida subsp. pallida M. B. Dunkle 1933-3-4 3020 Riverside Devil's Cactus G. Colorado Desert. 30 Comment
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Mar 20 2011
  RSA458837  Camissonia pallida subsp. pallida N. R. Zabriskie 1973-4-5 621 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 305 Comment
  JOTR01133  Camissonia pallida subsp. pallida Cole, James E. 1941-6-17 923 Riverside Joshua Tree National Park. IN LIVE OAK TANK 1219 Comment
  SEINET3093251 Image available Camissonia refracta A. C. Sanders 1988-5-11 7798 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Ni-land. Comment
  UCR216223  Camissonia refracta Jim Andre, T. La Doux 2009-2-25 10821 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  SD137706  Camissonia strigulosa Darin L. Banks, Steve Boyd 1995-5-3 196 Riverside North slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC1979635  Camissonia strigulosa D. L Banks, Steve Boyd 1995-5-3 0196 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UC56464  Camissonia strigulosa H. M. Hall 1902-4-7 2755 Riverside vicinity of Riverside 457 Comment
  SBBG61448  Camissoniopsis bistorta R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1645 Comment
  SD124059  Camissoniopsis bistorta Robert F. Thorne, Drs. Fosberg, Sachet & Herbst 1983-4-23 55481 Riverside San Bernadino Mountains: Sandy wash along Whitewater River where road crosses river below fish hatchery. Circa 4 miles North of Whitewater Post Office. 640 Comment
  SD143812  Camissoniopsis bistorta Steve Myers 1988-6-8 Riverside Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the La Cresta region of the Santa Rosa Plateau. 671 Comment
  UCR195708  Camissoniopsis confusa A. C. Sanders, T. B. Salvato 2001-5-3 24121 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  SD136805  Camissoniopsis hirtella Steve Boyd 1992-4-14 6788 Riverside San Mateo Canyon Wilderness Area; along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewagter Canyon, south of Sitton Peak. 792 Comment
  SDSU13992  Camissoniopsis ignota Michael G. Simpson, Adrienne Russell 2000-4-29 2073 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  GMDRC7788  Camissoniopsis pallida J. M. Andre 2015-3-6 33549 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  UCR92337  Cannabis sativa Scott D. White, M. D. Wilcox 1995-7-13 3477 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  CLARK-A1528-2300  Capsella bursa-pastoris John C. Roos 1966-3-24 Riverside Hemet Comment
  RSA633886  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38119 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM49093  Carex heteroneura Phillip A. Munz, I. M. Johnston 1924-7-27 8770 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  RSA249848  Carex sartwelliana Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38116 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  RSA518552  Carex schottii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 179 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N ft of the San Jacinto Mountains, 1 mi W of Snow Creek Village. 488 Comment
  UCR35297  Carex senta L. B. Ziegler 1970-5-20 406 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  CAS-BOT-BC115971  Carex subfusca H. E. Hasse; Samuel B. Parish s.n. Riverside San Jacinto Mts. Comment
  JOTR32402  Castela emoryi Harding, Mitzi, A. Benton 2011-7-13 17 Riverside Joshua Tree National Park. West Coxcomb Mountains; north-facing slope of small rocky foothills just above large bouldery wash 424 Comment
  UC494747  Castilleja angustifolia Philip A. Munz and C. L. Hitchcock 1932-4-9 12225 Riverside White Tanks; e Riverside County Comment
  POM99033  Castilleja angustifolia E. C. Jaeger 1926-3-24 s.n. Riverside White Tanks, Western end of Pinto Mts. Comment
  RSA0010919  Castilleja densiflora subsp. gracilis B. Pitzer, E. Misqez 1988-2-28 622 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  CHSC108881  Castilleja exserta Duncan S. Bell; Joy England 2010-5-17 1009 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15. In flat area amongst shrubs.ny flat. 759 Comment
  SEINET7063463  Castilleja exserta 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
  UCR139396  Castilleja exserta P. A. Munz 1932-3-24 12016 Riverside Santa Ana River Valley/Santa Ana Mtns. Foothills, Corona 366 Comment
  UCR174449  Castilleja exserta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32504 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  POM305662  Castilleja foliolosa Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1004 Riverside Hemet-Anza, Bautista Creek Road. Comment
  POM48325  Castilleja foliolosa E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA652581  Castilleja foliolosa G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  UCD122491  Castilleja foliolosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR91591  Castilleja foliolosa D. L. Banks 1995-4-11 0181 Riverside Agua Tibia Mtns. Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 780 Comment
  UC495228  Castilleja minor subsp. spiralis Commander Dammers Oct 1930 Riverside Palm Springs Comment
  RSA525244  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross 1990-5-11 4621 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  CAS-BOT-BC40266  Caulanthus lasiophyllus Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2172 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR196368  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR59771  Caulanthus lasiophyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3044 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  OBI45205  Caulanthus simulans B. Pitzer & L. LaPre, L. LaPre 1987-3-2 369 Riverside Bundy Canyon, ca. 2.0 mi SE of Lake Elsinore and 0.5 mi N of Budy Canyon Rd. off Raciti Rd. 701 Comment
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Nov 21 2014
  SD247618  Caulanthus simulans Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest: near Main Divide Road approx. 2 km southeast of Ortega Highway. 843 Comment
  RSA0043326  Caulanthus simulans John F. Emmel 1991-5-26 1175 Riverside San Jacinto Mountains; Spitler Peak Trail above Apple Canyon, ca. 1 air mile south of Cartridge Spring. 1584 Comment
  JEPS42362  Ceanothus cordulatus W. L. Jepson 1903-8-6 2273 Riverside Dark Canyon San Jacinto Mt. 1524 Comment
  CAS-BOT-BC133205  Ceanothus crassifolius A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37812 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  CDA38680  Ceanothus crassifolius Mike Lahti 2013-3-13 PDR# 331 P06141908 Riverside Nuevo; 22070 Horseshoe Trail near Stagecoach Road. 0 Comment
  RSA517101  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3018 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA606778  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27429 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA575053  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -a 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
  SD229237  Ceanothus cuneatus var. cuneatus Dick Schwenkmeyer 2012-3-26 664 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  CLARK-A1528-3895  Ceanothus leucodermis John C. Roos 1952-4-23 5574 Riverside Highgrove Comment
  SD129400  Ceanothus leucodermis Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area: Along Los Gatos Road, 1/2 mi. S of Buena Vista Road (2 mi. W. of Sandia Canyon, & 0.1 mi. N of San Diego County Line) 366 Comment
  SD186314  Ceanothus leucodermis Andy C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UC1930018  Ceanothus leucodermis Scott D. White, Justin Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR160061  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA462403  Ceanothus leucodermis Albert J. Perkins 1920-5-30 s.n. Riverside Cobby Trails Comment
  RSA606754  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27409 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  CAS-BOT-BC63465  Ceanothus palmeri Carl B. Wolf 1932-8-4 3920 Riverside San Jacinto Mts. Point View, near Idylwild. 1645 Comment
  SBBG28549  Ceanothus perplexans D. Myrick 1964-4-30 Riverside Palms to Pines (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  UCR46712  Ceanothus tomentosus D. C. Hawks 1987-3-2 s.n. Riverside Peninsular Range; San Jacinto Mtns. Region, south of Hemet, [near confluence of Pixley Canyon and Goodhart Canyon] intersection of Palm Ave. and Saddle Ridge Rd. 473 Comment
  SD368  Cenchrus echinatus Fidella G. Woodcock Apr 1922 Riverside Mecca Comment
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May 28 2011
  CDA7292  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  CDA7299  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA69871  Centaurea solstitialis J. C. Roos 1951-9-25 5253 Riverside Fairmount 259 Comment
  RSA487200  Centaurium venustum James L. Reveal 1988-5-23 6862 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UCR218076  Centaurium venustum Steve Boyd 2010-5-28 12286 Riverside Santa Ana Mountains, Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  SD204959  Centranthus ruber R. F. Thorne, W. Wisura dn Dave Michener 1982-5-24 55194 Riverside Peninsular Ranges; Santa Ana Mountains region, along Ortega Highway. 732 Comment
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Oct 27 2011
  JEPS106966  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 15 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  RSA735908  Centromadia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-6-24 12283 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 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
  UCR252806  Centromadia pungens subsp. laevis Rose Cook, Ana Hernandez 2013-4-12 005 Riverside Perris Aguanga Basin, 290 meters south of Highway 79, 172 meters west of San Diego aqueduct, Upper Salt Creek, Hemet 457 Comment
  UCR266416  Centromadia pungens subsp. laevis D. E. Bramlet 2005-6-28 3882 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  JEPS57819  Centrostegia thurberi var. thurberi W. L. Jepson 1928-4-25 12598 Riverside below Cottonwood Spring (Colorado Desert, Eagle Mountains); Colorado Desert, Eagle Mountains 731 Comment
  POM68414  Cercidium floridum Marcus E. Jones 1924-2-26 s.n Riverside Shaver's Well. Comment
  RSA637524  Cercidium floridum Scott D. White 1998-9-1 7099 Riverside East end of Coachella Valley: Bajada between Little San Bernardino Mts. and Indio Hills. Comment
  LA47751  Cercocarpus betuloides Elizabeth McClintock; 1940-4-23 sn Riverside Upper part of Idyllwild grade Comment
  POM202255  Cercocarpus betuloides Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  RSA16368  Cercocarpus betuloides Percy C. Everett 1935-6-17 7163 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA191420  Cercocarpus betuloides E. W. Lathrop, Robert F. Thorne 1967-9-26 6608 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  POM187418  Cercocarpus ledifolius L. Crutcher 1933-8-22 4 Riverside Red Tahquitz, San Jacinto Mountains. Comment
  SD152948  Chaenactis artemisiifolia Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7335 Riverside Southern Santa Ana Mountains; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon. 365 Comment
  UC1523663  Chaenactis artemisiifolia Robert F. Thorne, Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60620 Riverside along Clinton Keith Road, near base of plateau Santa Rosa Plateau 426 Comment
  CAS-BOT-BC276395  Chaenactis carphoclinia Thos. W Whitaker 1958-4-30 s.n. Riverside Box Canyon, midway between Mecca and Shaver Well Comment
  CAS-BOT-BC276400  Chaenactis carphoclinia Alice Eastwood 1913-4-30 9032 Riverside Palm Springs Comment
  UCD130234  Chaenactis carphoclinia Geoffrey Levin 1975-4-5 466 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  CAS-BOT-BC276911  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mile E of Banning Comment
  HSC80313  Chaenactis fremontii R. F. Thorne, W. Wisura, A. Shmida, Robert Whittaker 1978-4-23 52039 Riverside Palm Desert Area; just E of Palm Desert Comment
  UCD130326  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. 609 Comment
  UCR116802  Chaenactis fremontii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23932 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR177001  Chaenactis fremontii Tracy Tennant, J. S. Ross 1998-4-30 MOR- 71 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  UCR260843  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41510 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  RSA695579  Chaenactis glabriuscula Keith E. Hoffmaster 1937-6-6 755 Riverside Near Valle Vista, Hemet Valley. Comment
  SD227733  Chaenactis glabriuscula A. C. Sanders 1994-5-29 14546 Riverside San Bernardino Mountains: Morongo Indian Reservation, slopes among hills on the low pass between Millard Cyn. And Potero Cr 750 Comment
  HSC85256  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-22 1744 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA527860  Chaenactis glabriuscula var. glabriuscula Scott D. White 1991-5-10 91 -152 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UC31026  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-25 1181 Riverside Van Deventer's, El Toro Region San Jacinto Mountains, El Toro Region 1402 Comment
  UC34689  Chaenactis glabriuscula var. glabriuscula E. A. Zumbro 1902-4-1 Riverside near (Box Springs Mt.) Riverside; Box Springs Mt., Riverside Comment
  RSA97129  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1925-5-20 9826 Riverside 2 miles W of Dripping Spring. 427 Comment
  RSA0039853  Chaenactis stevioides Duncan S. Bell, Evan Meyer 2014-4-2 6508 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA774986  Chaenactis stevioides Duncan S. Bell 2011-4-7 2175 Riverside On the northeast side of the Arica mountains; approximately 2.2 air miles northwest of Priests Well, or approximately 4.5 air miles southwest of the ghost town of Rice. 359 Comment
  UCR97750  Chaenactis stevioides Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  RSA518039  Chaenactis stevioides var. stevioides Steve Boyd, Orlando Mistretta 1986-3-13 1426 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  JOTR34147  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 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
  RSA793611  Chamaesyce micromera Duncan S. Bell, Aaron Sedgwick 2012-9-13 4202 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  RSA776332  Chamaesyce polycarpa Duncan S. Bell, Amanda Turek 2010-4-10 823 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SBBG4029  Chamaesyce polycarpa H. and M. Dearing 1930-4-14 953 Riverside near Palm Springs Comment
  SBBG45531  Chamaesyce polycarpa Leota Davidson 1965-5-14 153 Riverside Joshua Tree Nat Monument Comment
  SJSU4464  Chamaesyce polycarpa E. V. Boro 1963-12-24 75 Riverside 5 mi SE of Desert Hot Springs Comment
  POM259463  Chamaesyce polycarpa var. hirtella E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA5159  Chamaesyce polycarpa var. hirtella C. B. Wolf 1932-4-26 2970 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  RSA576460  Chamaesyce polycarpa var. hirtella L. C. Wheeler 1933-12-2 2309 Riverside Mouth Tahquitz Canyon near Palm Springs. 144 Comment
  RSA432407  Chamaesyce polycarpa var. polycarpa E. S. Spalding 1926-2-13 s.n Riverside Colorado Desert. Box Canyon on Blythe Road. Comment
  UCSB42184  Chamaesyce setiloba Roos, John 1958-9-28 Riverside Pinyon Flats, Santa Rosa Mtns. 1219 Comment
  POM11164  Cheilanthes covillei Philip A. Munz 1922-7-1 5937 Riverside Santa Rosa Mountains: Old Santa Rosa. 1402 Comment
  POM891  Cheilanthes newberryi O. W. Robinson 1916-3-28 s.n. Riverside Elsinore's Lake, Burton's Canyon Comment
  IRVC18651  Cheilanthes parryi Sandy Knapp 1979-4-12 s.n. Riverside Palm Springs; Chino Canyon. Sonoran Desert Comment
  JEPS35126  Cheilanthes parryi S. B. and W. F. Parish April, 1882 504 Riverside Agua Caliente Colorado Desert (Mts bordering the Colorado Desert) Comment
  UC197936  Cheilanthes parryi S. B. and W. F. Parish April, 1882 504 Riverside Agua Caliente; Mts bordering Colorado Desert Comment
  UCR261439  Cheilanthes parryi Joseph Cahill 2011-1-29 111- 12 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs 403 Comment
  UCR41455  Cheilanthes parryi A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6133 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  RSA708182  Chenopodium album Scott D. White, Angelia Carey 2004-5-7 10328 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR278885  Chenopodium album Mitch Provance 2011-6-9 17193 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA522105  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1989-8-28 3798 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  JOTR01007  Chenopodium incanum var. occidentale Cole, James E. 1941-6-17 918 Riverside Joshua Tree National Park. IN LIVE OAK TANK, DRY 1219 Comment
  UCR115137  Chenopodium missouriense Mitch Provance 2000-10-28 2272 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR100869  Chenopodium murale George K. Helmkamp, E. A. Helmkamp 1998-2-18 2705 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR181630  Chenopodium pratericola Mitch Provance 2003-6-7 7609 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  CLARK-A1528-2282  Chilopsis linearis John C. Roos 1943-5-23 2669 Riverside Dry Morongo Wash Comment
  RSA455300  Chilopsis linearis Robert L. Rutherford 1943-9-11 904 Riverside Banning. Comment
  SD4855  Chilopsis linearis Fidella G. Woodcock 1928-4-26 Riverside Palm Springs, Colorado Desert Comment
  POM122462  Chilopsis linearis subsp. arcuata Marcus E. Jones 1926-6-8 S.N. Riverside Whitewater. Colorado Desert. Comment
  UC219074  Chilopsis linearis subsp. arcuata unknown May 1 1906-May 10 1906 170 a6740 Riverside Palm Springs Colorado Desert, Palm Springs Comment
Read comments
Apr 17 2011
  RSA0012171  Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  SEINET3926090  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road.; 0 400 Comment
  SEINET954331  Chloris virgata R. E. Riefner Jr. 2006-1 06 -447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek. 301 Comment
  SD145982  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area: Diamond Valley, along State Street (R3) ca. 1/2 mile N of Newport Rd., S. of Hemet 487 Comment
  UCR48528  Chorizanthe coriacea Steve Boyd 1986-4-19 1697 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR97471  Chorizanthe coriacea B. G. Pitzer 1997-3-23 2979 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
  SJSU9098  Chorizanthe corrugata R. C. McGehee 1970-4-15 204 Riverside Wileys Well c. 26 mi SW of Blythe Comment
  RSA561865  Chorizanthe fimbriata Steve Boyd, Tim S. Ross 1992-6-10 7625 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01), and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  CAS-BOT-BC191308  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  RSA487196  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UCR139185  Chorizanthe polygonoides subsp. longispina Virginia Moran 2003-5-23 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 2' in area of transects established by CNLM 425 Comment
  UCR217509  Chorizanthe procumbens var. albiflora Jeff B. Galvin 2008-5-21 47 Riverside Peninsular Ranges, Palomar Mountains, 2.3 km south of hwy 79 and 1.7 km west of Woodchuck Rd. 734 Comment
  UCR30160  Chorizanthe rigida A. C. Sanders 1983-4-24 3802 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  CAS-BOT-BC36261  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tacquitz ridge, San Jacinto Mt. 2438 Comment
  UC101093  Chrysothamnus viscidiflorus subsp. viscidiflorus Rev. J. C. Nevin 1900-1 Riverside San Jacinto Mt. Comment
  UCSB30406  Chylismia brevipes Krasner, Larry 1975-3-22 Riverside 11 miles west of Desert Center on Highway 10 365 Comment
  JOTR35077  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  UCR244883  Chylismia cardiophylla subsp. cardiophylla Jim Andre 2012-3-19 21391 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR182533  Cichorium intybus Mitch Provance 2003-7-4 4643 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives 226 Comment
  SD113208  Cirsium occidentale var. occidentale Darley F. Howe 1941-6-9 1114 Riverside San Jacinto Mountains 1525 Comment
  POM13155  Cirsium scariosum P. A. Munz, I. M. Johnston 1922-5-19 5449 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  SEINET2050088 Image available Cirsium scariosum var. citrinum Annette Price 1962-5-1 65 Riverside Along Tenaja Rd., ca 2 1/2 miles before Tenaja Station 12, Santa Anna Mountains Comment
  UCR116665  Clarkia purpurea A. C. Sanders, Carolyn Washburn 2001-5-10 24233 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  SDSU13942  Clarkia purpurea subsp. quadrivulnera Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2133 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UC20031  Clarkia rhomboidea H. M. Hall June, 1901 2270 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR149994  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  JOTR35135  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  CHSC1440  Clematis pauciflora E. Thomas 1940-3-10 Riverside San Jacinto foothills. Comment
  UCR17484  Clematis pauciflora R. S. Woglum 1934-3-18 0625 Riverside San Jacinto Mtns., Snow Creek, Coachella Valley Comment
  POM254915  Cleome isomeris P. A. Munz 1940-3-24 15713 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA278958  Cleome isomeris B. A. Prigge, L. Martinez 1978-3-23 2401 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
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May 20 2013
  RSA650742  Cleome isomeris David B. Dunn 1948-1-25 3642 Riverside One mile south of Cabazon, east of Banning Pass between the San Jacinto Mts. & the San Gorgonio Mts. Comment
  SBBG87891  Cnicus benedictus B. Pitzer, K. Kirtland 1986-5-6 264 Riverside 1.5 mi SE of Murrieta along Murrieta Crk; bounded on N by Fig St., on S by Elm St., on E by Adams Ave, on W by Jefferson Ave Comment
  SD187478  Collinsia concolor Scott D. White, Angelia Carey 2004-4-16 10160 Riverside San Jacinto Mountain foothills;Indian Creek and adjacent slopes 548 Comment
  SEINET10308232 Image available Collinsia concolor T. Reeves 1978-5-13 6899 Riverside San Jacinto Mountains, foothills SE of Banning. Access via Westward Ave. T3S R1E S13 671 Comment
  UCR28966  Collinsia concolor Melissa Luckow, R. Riggins 1982-4-15 827 Riverside Hwy 371, 1.2 mi north of the jct with Hwy 79 in Aguanga. Comment
  RSA0117402  Collinsia concolor Ora M. Clark 1929-3-16 1714 Riverside N. of White Water Colorado Desert. Comment
  SFV3353  Collinsia heterophylla P. G. Kilburn 1958-5-31 836 Riverside San Jacinto Mountains Hemet Valley. 10.6 miles south of campground turnoff road, north of Idylwild. 1372 Comment
  UC1494254  Colubrina californica C. S. Jones 1979-3-27 41 Riverside in se-facing canyon about 300 yards from unnamed dirt road aprroximately 10 miles from I-10 (4 mi w of Desert Center) 426 Comment
  OBI38803  Condalia globosa var. pubescens A. C. Sanders, et al 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mts, 9 mi S of hwy I-10 on the gasline road, 2 mi airline S of the Model Mine 579 Comment
  SD244144  Convolvulus simulans T. B. Salvato, Mike Landers 2013-3-21 7385 A Riverside Perris-Aguanga Basin: Murrieta, between Hwy 215 and State Route 79 (Winchester Road), 0.23 mile east of the intersection of Keller Road and Menifee Road (Romoland 7.5'Q) 466 Comment
  UC1584111  Convolvulus simulans Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3890 Riverside cinder cone ridge at n side of mouth of Temecula Creek Cyn (s flank of mt.); Vail Lake Area, Big Oak Mtn. 396 Comment
  UCR214852  Convolvulus simulans Crystal Sheehan 2010-5-10 46 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  RSA598989  Conyza coulteri L. C. Wheeler 1952-10-29 7010 b Riverside Riverside. Citrus Experimental Station. Comment
  UC1746494  Conyza floribunda A. C. Sanders, Mitch Provance, T. Salvato, O. F. Clarke 1999-10-5 23134 Riverside E edge of UCR campus; Riverside; new O.F. Clarke residence on Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  RSA356626  Cordylanthus rigidus subsp. setiger Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UCR244385  Coreopsis bigelovii Jim Andre 2012-4-16 20954 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  CAS-BOT-BC101308  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  LA205800  Corethrogyne filaginifolia Elizabeth McClintock; 1936-8-12 sn Riverside Massacre Canyon near San Jacinto Comment
  LA99053  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  UC895241  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6963 Riverside e Keen Camp P.O. 1350 Comment
  RSA0120486  Coryphantha alversonii Duncan S. Bell, Thomas Stoughton 2016-3-17 8962 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  SDSU21793  Crassula aquatica Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3979 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR116973  Crassula aquatica A. C. Sanders, T. B. Salvato 2001-5-3 24098 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR150443  Crassula connata John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UCR274301  Crepis T. B. Salvato, Melissa Clemons 2005-6-6 1421 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  CLARK-A1528-5524  Crepis capillaris John C. Roos 1950-4-22 4756 Riverside Reche Canyon 761 Comment
  RSA356896  Crossosoma bigelovii R. F. Thorne 1966-10-15 41781 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCR102749  Crossosoma bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3562 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA314443  Croton californicus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55430 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA480576  Croton californicus N. C. Cooper 1944-4-21 1142 Riverside Banning 701 Comment
  RSA651891  Croton californicus Marion P. Harthill 1971-3-19 10 Riverside Palm Desert. Comment
  RSA785951  Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  UCR216257  Croton californicus Mike Bell 2008-3-19 045 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. 396 Comment
  CDA17343  Crypsis schoenoides M. Tracy 2004-8-2 PDR 1116196 Riverside West Coast Turf, 31755 Winchester Rd., Winchester. 0 Comment
  RSA554222  Crypsis schoenoides A. C. Sanders, Chet McGaugh 1991-7-19 11153 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago., (Near 117 deg 9.1'W, 33 deg 33.25'N). 348 Comment
  UCR260559  Cryptantha T. B. Salvato 2015-4-2 8103 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  RSA339316  Cryptantha angustifolia R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54028 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  SEINET3004967  Cryptantha angustifolia G. Rink 2011-3-24 10391 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UCR126435  Cryptantha angustifolia T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 50 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR148331  Cryptantha angustifolia 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
  UCSB10423  Cryptantha angustifolia Long, Frances 1939-12-31 Riverside Indio Comment
  UCSB5533  Cryptantha angustifolia Long, Frances 1939-12-31 Riverside Palm Springs Calif. Comment
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Nov 19 2014
  CHSC8299  Cryptantha barbigera Edward L. Smith 1958-3-21 374 Riverside Located 6 mi. s. of Rice, near Priest's Well. Little Santa Maria Mtns. 365 Comment
  RSA353856  Cryptantha barbigera R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55363 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA703814  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UC1392688  Cryptantha barbigera R. F. Hoover 1969-4-11 11210 Riverside Mouth of Morongo Valley Canyon Comment
  UC857068  Cryptantha barbigera Aven Nelson, Ruth A. Nelson 1939-3-29 3269 Riverside near Mecca; Hidden Springs Comment
  UCR103305  Cryptantha barbigera George K. Helmkamp 1998-4-4 3150 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR279506  Cryptantha barbigera A. C. Sanders, Jim Malusa 2017-3-27 43111 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
  UCR279549  Cryptantha barbigera A. C. Sanders, Jim Malusa 2017-3-25 43001 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  POM6504  Cryptantha barbigera P. A. Munz, L. T. Street, G. Williams 1919-3-28 2381 Riverside Palm Canyon 183 Comment
  UCR137678  Cryptantha barbigera var. fergusoniae A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16088 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SEINET3005006  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10435 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  UCR18171  Cryptantha decipiens A. C. Sanders 1978-4-1 00192 Riverside Santa Rosa Mtns, Pinyon Crest, on Hwy 74 1098 Comment
  SEINET3004978  Cryptantha dumetorum G. Rink, M. Baker 2011-4-1 10404 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  UCR41531  Cryptantha dumetorum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6010 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
  RSA502894  Cryptantha intermedia 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
  RSA771783  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4958 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SD130320  Cryptantha intermedia Ed LaRue 1990-4-13 Riverside 1/2 mile northwest of Aguanga, north of Highway 79 and west of Highway 371, ca. 1.5 airmiles north of San Diego County Line 640 Comment
  UC78535  Cryptantha intermedia J. C. Nevin Riverside San Jacinto Mts. Comment
  UCR239597  Cryptantha intermedia O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; hills above UCR Botanical Garden 436 Comment
  UCR240619  Cryptantha intermedia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 439 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR277702  Cryptantha intermedia Mitch Provance 2013-4-16 413- 20 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR97893  Cryptantha intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19848 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM9235  Cryptantha intermedia P. A. Munz, R. D. Harwood 1920-3-20 3379 Riverside 5 miles S of Corona. 305 Comment
  SDSU21023  Cryptantha juniperensis A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range: Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. (Lake Mathews 7.5' +/- 100m). Sandy californicus, Bromus diandrus. 314 Comment
  JEPS67683  Cryptantha maritima E. E. Schellenger 1920-5-1 25 s Riverside e of Coachella Comment
  RSA776189  Cryptantha maritima Amber Swanson, Duncan S. Bell 2011-3-10 206 Riverside Mecca Hills, E of Painted Cyn Rd Comment
  SBBG87841  Cryptantha maritima A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6121 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  UCR103585  Cryptantha maritima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2716 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR226794  Cryptantha maritima Jim Andre 2011-2-9 15916 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR42397  Cryptantha maritima J. M. Stewart 1986-1-20 86 5 Riverside Sonoran (Colorado) Desert, Divide between the Mecca Hills and the Orocopia Mtns. Comment
  POM318740  Cryptantha micrantha var. lepida Patricia Wilder 1968-7-5 4319 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  RSA525346  Cryptantha microstachys Steve Boyd, A. Sanders, Mark Skinner 1990-4-28 4443 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  SD152910  Cryptantha microstachys Steve Boyd, Tim Ross 1992-5-5 7239 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. Area of chaparral burned in 1989 fire. 730 Comment
  UCR158856  Cryptantha microstachys Scott D. White 1994-6-14 2060 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCSB41275  Cryptantha muricata Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  RSA0079283  Cryptantha muricata var. jonesii Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2304 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA0079563  Cryptantha muricata var. jonesii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 -A Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM118684  Cryptantha nevadensis Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SDSU21862  Cryptantha pterocarya f. pterocarya Duncan S. Bell 2011-7-7 2177 A Riverside The northeast side of the Arica mountains; approximately 2.5 air miles northwest of Priests Well or approximately 4.3 miles southwest of the ghost town of Rice. 339 Comment
  UCR135709  Cryptantha pterocarya var. purpusii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9027 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  POM11638  Cryptantha racemosa T. S. Brandegee 1906-04 s.n. Riverside Colorado Desert, Riverside County Comment
  RSA99143  Cryptantha racemosa Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA682851  Cryptantha utahensis Scott D. White 2003-3-23 8845 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA685634  Cryptogramma acrostichoides Anstruther Davidson 1876-7-11 9238 Riverside Top of Mount Jacinto Comment
  CDA42234  Cucurbita foetidissima T. C. Fuller 1958-9-23 3926 Riverside 3 miles east of Anza. 0 Comment
  HSC80312  Cucurbita palmata R. F. Thorne, W. Wisura, A. Shmida, Robert Whittaker 1978-4-23 52048 Riverside Palm Desert Area; just E of Palm Desert Comment
  UCSB69266  Cucurbita palmata Reifner, R. 2006-8-2 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd.; USGS 7.5' Quad: Lakeview; UTM: (NAD 83) 11S 0488948E 3735311N 550 Comment
  POM19569  Cuscuta californica Mary F. Spencer 1923-8-4 227 Riverside Fern Valley Idyllwild, San Jacinto Mts. 1646 Comment
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Nov 26 2008
  RSA0097551  Cylindropuntia bigelovii Marc A. Baker 2015-4-7 18303 Riverside 1.7 km NE of White Water Hill, just west of Hwy 62, 2 km north of its junction with Interstate 10, 13 km NW of central Palm Springs. 353 Comment
  UC277049  Cylindropuntia californica var. parkeri F. M. Reed May 1921 Riverside Riverside Comment
  SEINET5624465 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .5 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  SEINET9037808 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18412 Riverside San Gorgonio River, 2.5km SW of Cabazon, 28km WNW of central Palm Springs 538 Comment
  UCSB18340  Cylindropuntia ganderi Lehmann, Karla 1964-5-10 Riverside 5.3 miles east of Pinon Flats 883 Comment
  SEINET3926479  Cynodon dactylon Sears 1977-10-12 S 568 Riverside Corn Springs. Desert Palm Oasis.; 0 512 Comment
  UCR107261  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR168544  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  UCR90827  Cyperus involucratus A. C. Sanders, G. K. Helmkamp 1996-3-17 17981 Riverside Coachella Valley, Palm Springs, Tahquitz Canyon in vicinity of the debris basin above the W end of Sunny Dunes Road. 183 Comment
  POM12143  Cyperus odoratus Mary F. Spencer 1688 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
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Mar 30 2013
  POM153370  Cyperus odoratus Phillip A. Munz, I. M. Johnston 1928-9-12 11244 Riverside North end of Lake Elsinore. Comment
  RSA365119  Cyperus odoratus S. B. Parish 1913-9-20 8616 Riverside Mecca, Salton Sink. 58 Comment
  SBBG56301  Cystopteris fragilis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  RSA327703  Dactyloctenium aegyptium Brad Ballen 1984-11-22 s.n. Riverside Southwest of Indio. SBB & M Comment
  POM28816  Dalea mollis Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  SEINET10452149  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2089 A Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR72212  Dalea mollissima Theo Glenn 1991-5-20 91- 98 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  CAS-BOT-BC283042  Dasyochloa pulchella C. L. Hitchcock 1940-4-1 5907 Riverside 1 mi. below Cottonwood Spring, Joshua Tree Nat. Monument Comment
  JOTR38531  Dasyochloa pulchella Harding, Mitzi, Kipp Callahan 2012-8-27 297 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  UCD65766  Dasyochloa pulchella B. A. Madson 1947-9-15 Riverside East side of San Jacinto Mts. Between Palm Springs and Idyllwild. 914 Comment
  RSA91542  Dasyochloa pulchella F. W. Peirson 1928-3-10 7711 Riverside Small side canyon in which Hidden Spring is located, northeast of Mecca Comment
  RSA91543  Dasyochloa pulchella F. W. Peirson 1920-2-16 1546 Riverside South of Palm Springs, arm of Colorado Desert Comment
  SEINET5765990 Image available Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Riverside: residence of O. F. Clarke, 1012 Spruce St.; cultivated plants and weeds on 3 1/2 acres of former orange orchard. 1000 Comment
  RSA133099  Datura wrightii Donald A. Johansen 1933-7-14 s.n. Riverside Mesa Mira. Comment
  RSA525264  Daucus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4577 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  OBI16266  Deinandra fasciculata Robert F. Hoover 1968-6-6 11151 Riverside 1 mi E of Perris Comment
  UC1590081  Deinandra fasciculata Robert Gustafson and Gary Wallace 1983-6-23 2720 Riverside along Clinton Keith Road ca 2 1/2 mi from junction Hwy 15; Santa Ana Mts. Comment
  UCR252704  Deinandra fasciculata R. E. Riefner Jr. 2009-6-19 09- 136 Riverside Moreno Valley, northeast c. 0.15 mi from intersectin of Nason Street and Ironwood Avenue, west of Moreno Beach Drive, north of Moreno Valley Fwy (60) 592 Comment
  SBBG104656  Deinandra paniculata M. A. Patten 1992-5-28 92 -13 Riverside just E of Temecula, between Pauba Rd on the N and De Portola Rd on the S, the W boundary of site adjacent to Butterfield Stage Rd 365 Comment
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Aug 24 2013
  UC1787311  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  UC854174  Delphinium parishii subsp. parishii Alice Eastwood 1913-4-30 2999 Riverside Palm Springs Comment
  UCR167435  Delphinium parryi John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR49250  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  RSA784520  Delphinium parryi subsp. parryi J. D. Olmsted 1962-6-23 5238 Riverside Just south of meadow gate along road from conservation-detention school east of Oak Glen into Banning Water Canyon. 1341 Comment
  RSA0018961  Delphinium parryi subsp. parryi Robert L. Rutherford 1944-6-17 1431 Riverside San Jacinto Mtns. West side. 1524 Comment
  RSA747112  Dendromecon Orlando Mistretta 1992-6-10 531 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  SEINET3208900  Dendromecon rigida G. Goodwin 2012-6-14 3456 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  RSA519205  Dendromecon rigida subsp. rigida M. Lee Overholtzer 1962-7-4 291 Riverside n end of Cleveland National Forest; roadside on Skyline Drive between Voits cabin and tv-radio station. 1311 Comment
  CAS-BOT-BC198166  Deschampsia danthonioides Philip A. Munz 1941-5-18 16645 Riverside 15 miles northeast of Temecula Comment
  UCR75548  Deschampsia danthonioides A. C. Sanders 1993-5-12 13998 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  SBBG59444  Deschampsia elongata R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  CAS-BOT-BC43131  Descurainia pinnata subsp. brachycarpa Munz; Street; Williams 1919-3-25 2305 Riverside Palm Canyon. Colorado Desert. 228 Comment
  CAS-BOT-BC43353  Descurainia pinnata subsp. glabra L. R. Abrams 1926-3-26 11073 Riverside Palm Canyon. Comment
  RSA741073  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-5 12081 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR171138  Descurainia sophia John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  UCR201473  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-5 12081 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  CSUSB964  Dicentra chrysantha Richard Sayre 1972-5-7 Riverside Santa Rosa Road 7 miles from Murietta. Comment
  SEINET3208887  Dicentra chrysantha G. Goodwin 2012-6-14 3442 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  SEINET10476256  Dicentra chrysantha James S. Miller 1992-5-8 Miller 7462 Riverside 5 mi W of Lake Elsinore on California route 74. 500 Comment
  CAS-BOT-BC500850  Dichelostemma capitatum Marian L. Campbell 1921-3-18 51 Riverside Banning Comment
  RSA614134  Dichelostemma capitatum subsp. capitatum Darin L. Banks 1997-2-23 1301 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA649288  Dichelostemma capitatum subsp. capitatum Bruce H. Lewis 1970-3-9 27 Riverside Collected 1 mi. south of Temecula on a dirt road, an area south of the State College property. 548 Comment
  CDA4515  Dicoria canescens L. C. Cordill 1962-11-2 Riverside Northwest corner of Sunrise Way & McCallum Way, Palm Springs. 0 Comment
  CLARK-A1528-2155  Dicoria canescens John C. Roos 1956-12-15 6605 Riverside Palm Springs 243 Comment
  POM306763  Dicoria canescens Henry J. Ramsey, Henry J. Ramsey 1937-11-20 1634 Riverside Coachella Valley Comment
  UC1080458  Dicoria canescens P. C. Everett and E. K. Balls 1958-4-29 23024 Riverside 5.3 mi ne Desert Center (along road to Rice and Vidal Junction) 243 Comment
  SD137605  Diplacus brevipes Darin L. Banks, Steve Boyd 1995-4-5 160 Riverside Agua Tibia WildernessArea. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail in the N flowing drainage that empties into Arroyo Seco 609 Comment
  RSA0019291  Diplacus brevipes Percy C. Everett, Lee W. Lenz, E. K. Balls 1952-7-1 17274 Riverside 1.2 mi. s.e. of Lake Fulmore on hwy from Banning to Idyllwild. 1280 Comment
  RSA0018428  Diplacus longiflorus var. calycinus Carl B. Wolf 1932-5-24 3657 Riverside 1 mi. above the Fish Hatchery. Snow Creek, No. base San Jacinto Mountains. 793 Comment
  CAS-BOT-BC150876  Diplacus puniceus L. R. Abrams 1941-4-22 13876 Riverside Palomar School near Perris Comment
  SBBG99704  Diplacus puniceus W. L. Halvorson 1977-4-1 77 -218 Riverside 5 mi S of Temecula on County Rd S16 Comment
  SD245481  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49559 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  RSA0019300  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-6-2 563 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands. 902 Comment
  RSA751356  Diplotaxis erucoides Steve Morgan 1998-3-18 s.n. Riverside weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  UCR76160  Distichlis spicata A. C. Sanders 1993-4-1 13659 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA682077  Ditaxis lanceolata Scott D. White, Michael Honer 2003-4-30 9133 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  SFV6324  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 43 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  JOTR34372  Ditaxis neomexicana Andre, Jim 2012-4-16 20889 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  CAS-BOT-BC43639  Dithyrea californica Lewis S. Rose 1957-1-9 57022 Riverside La Quinta. 15 Comment
  CSUSB522  Dithyrea californica Barry A. Vittor 1966-3-4 S. N. Riverside Rancho Dos Palmas, 2 miles northeast of Salton Sea State Park 30 Comment
  RSA0019474  Dithyrea californica J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24390 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA530784  Dithyrea californica Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SD140523  Dodecahema leptoceras Patricia Gordon-Reedy 1989-5-5 Riverside Ca. 10.5 miles east of I-15 along Hwy. 79. Hills directly north of Dripping Springs Campground and Hwy. 79; south of Vail Lake. 305 Comment
  UCR281563  Dodecahema leptoceras Mitch Provance, Matt K. Beyers 2017-6-8 617- 80 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  UC1537155  Dodecatheon clevelandii subsp. clevelandii Gordon H. True Jr. 1935-3-18 128 Riverside Pigeon Pass 457 Comment
  UC1531140  Downingia cuspidata Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 52005 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  UC856110  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  RSA68331  Drymocallis glandulosa var. reflexa G. R. Campbell 1951-5-30 16149 Riverside Mouth of canyon, Pine Meadow Ranch, southeast of Kenworthy. 1433 Comment
  CAS-BOT-BC70827  Dryopteris arguta Scott D. White; Mike Wilcox 1995-7-11 3468 Riverside Southwest of Main Divide Truck Trail, upper forks of Decker Canyon, USGS 7 1/2' Alberhill quad. 731 Comment
  UC1931137  Dudleya abramsii subsp. abramsii Scott D. White, Justin Wood 2008-6-17 12192 Riverside San Jacinto Mountains: Morris Ranch Road - open area west of Goff Flat. (Palm View Peak). Comment
  UCR3889  Dudleya edulis John Minnich 1964-6-20 s.n. Riverside Santa Ana Mtns., 11 miles north of Fallbrook 305 Comment
  RSA388337  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Temescal Canyon Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA192089  Dudleya pulverulenta E. W. Lathrop 1966-5-15 6317 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  JOTR30636  Dudleya saxosa subsp. aloides La Doux, Tasha, Erin Babich 2008-4-21 1799 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  LA204792  Dudleya saxosa subsp. aloides Carl B. Wolf; 1937-4-5 8414 Riverside San Gorgonio Pass, 1 mi. W of Whitewater 365 Comment
  SEINET4890282 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17354 .3 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west baseof San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  RSA0125222  Echinocereus engelmannii var. engelmannii Lyman Benson, Robert Benson 1952-3-23 14839 A Riverside San Jacinto Mountain Range. Northeast of Santa Rosa Peak, Pines-to-Palms Highway. 1220 Comment
  UC277044  Echinocereus mojavensis E. C. Jaeger May 1921 Riverside Little San Bernardino Mts. , Keyer Ranch (Keyer Ranch) Comment
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Apr 4 2011
  JOTR01123  Echinocereus triglochidiatus Cole, James E. 1941-5-17 730 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  UC1100271  Echinochloa colona Malcolm A. Nobs and S. Galen Smith 1948-9-3 488 Riverside 2 mi n Indio; Imperial Valley Comment
  UCR124134  Echinochloa crus-galli Steve Boyd, Orlando Mistretta 1989-7-18 3763 Riverside Peninsular Range, Vail lake area, conflence of Kolb Creek with lake. 427 Comment
  POM365266  Echinochloa crus-galli S. B. Parish 1913-9-20 8616 Riverside Mecca. Salton Sink. 58 Comment
  RSA623564  Eleocharis engelmannii R. E. Riefner 1998-10-15 98 -522 Riverside Menefee-Paloma Valley Comment
  UCR109647  Eleocharis macrostachya T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR75302  Eleocharis macrostachya A. C. Sanders 1993-4-5 13699 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
  POM181843  Eleocharis parishii H. M. Hall 1901-06 2013 Riverside East base of San Jacinto Mountains. Comment
  RSA80  Eleocharis parishii J. T. Howell 1927-8-1 523 Riverside Mission Creek, Colorado Desert. 610 Comment
  UC1928652  Eleocharis parishii Steve Boyd, Aydee Virgen 2004-4-13 10880 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC839370  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  RSA0024925  Eleusine coracana subsp. africana R. E. Riefner Jr. 2013-10-29 13 -225 Riverside La Sierra, along La Sierra Ave. at Sierra Tree Street. 243 Comment
  UC1930197  Elymus condensatus Scott D. White, Justin Wood 2008-5-29 12041 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. Comment
  JOTR31140  Elymus elymoides subsp. elymoides La Doux, Tasha 2009-6-3 1851 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UC188950  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-25 1177 Riverside El Toro region San Jacinto Mountains Comment
  UCR167864  Elymus glaucus T. B. Salvato, John F. Green 2004-5-27 646 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
  POM122850  Elymus glaucus subsp. glaucus Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SEINET3258005 Image available Elymus stebbinsii A. C. Sanders, Tim Thomas; T. B. Salvato 2008-6-24 35560 Riverside Peninsular Range; San Jacinto Mtns.; May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  CLARK-A1656-622  Emmenanthe penduliflora Lois Ann Scott 1978-4-4 Riverside Palm Springs 243 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
  UCR263239  Emmenanthe penduliflora A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41481 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  UCSB5253  Emmenanthe penduliflora Sage, Paul 1958-3-21 Riverside In Whitewater Canyon, east side of wash, off road up canyon 1.6 mi. from its jct. with U.S. 60 426 Comment
  POM9612  Emmenanthe penduliflora H. M. Hall 1902-4-26 2986 Riverside Vicinity of Riverside. 457 Comment
  JOTR32036  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2266 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  UCR268947  Emmenanthe penduliflora var. penduliflora Jim Andre 2015-3-2 31358 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  JOTR31160  Encelia actoni La Doux, Tasha 2009-6-3 1868 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  POM356673  Encelia actoni Norman C. Cooper 1949-6-3 4150 Riverside Temecula 762 Comment
  RSA713875  Encelia actoni Michael Wall 2006-6-6 419 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  UCR235217  Encelia actoni A. C. Sanders, John F. Green 2012-6-1 40243 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  UCR104892  Encelia californica A. C. Sanders, O. F. Clarke 1997-5-4 20672 Riverside Beaumont, near railroad on east side of Hwy 79, south of Hwy I-10 793 Comment
  RSA715448  Encelia farinosa A. C. Sanders, Teresa B. Salvato 2006-6-2 33068 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinto Keith Road. 549 Comment
  UC1118071  Encelia farinosa R. St. John 1930-3-26 109 Riverside Elsinore Quad., Lamb Canyon 518 Comment
  UCR200326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  JEPS34094  Encelia frutescens Marjorie D. Clary 1932-4-7 815 Riverside ca 5 mi n Palm Springs (State Highway); Garnet Comment
  UC583131  Encelia frutescens Lewis S. Rose 1935-12-23 35701 Riverside Above Deep Canyon, 22 mi s Cathedral City; Colorado Desert, San Jacinto Mts. 1066 Comment
  SEINET3197212 Image available Ephedra aspera G. Rink 2011-4-4 10425 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  CAS-BOT-BC81547  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  RSA0103313  Ephedra californica Jim M. Andre 2012-4-11 20703 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  RSA383876  Ephedra californica Christopher Davidson, B. Gustafson 1977-4-7 5575 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  JOTR29448  Ephedra nevadensis La Doux, Tasha, Mike Bell 2006-3-8 1346 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  UCR91062  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. Along a wash edge in S18. 915 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
  PASA1890  Epilobium adenocaulon Frank W. Peirson 1924-7-28 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  UCR141255  Epilobium canum A. C. Sanders, Kelly Volansky 2004-10-6 28821 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UC1366078  Epilobium canum subsp. latifolium Nancy Ryan Zabriskie 1969-11-8 239 Riverside in wash ca 50 ft from stream (near Palm Springs); Andreas Canyon 274 Comment
  RSA674527  Epilobium ciliatum subsp. ciliatum Scott D. White 2000-11-15 8150 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  RSA618001  Epilobium pygmaeum R. E. Riefner Jr. s.n. Riverside Elsinore Trough between Willard and Murrieta Creek; Wildomar. Comment
  IRVC14058  Epipactis gigantea C. A. Taylor 1965-5-14 66 95 Riverside Andres Cyn; Agua Caliente Indian Reservation Sonoran Desert/Peninsular Ranges 976 Comment
  RSA381721  Epipactis gigantea A. Menke 1955-4-25 s.n. Riverside Andreas Canyon, Palm Springs. Comment
  UC218658  Equisetum laevigatum P. A. Munz 1922-6-27 5837 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  RSA595260  Eragrostis curvula var. conferta D. L. Banks, Elizabeth Hedge Banks 1996-5-2 965 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the W side of the road next to a citrus orchard. 399 Comment
  RSA653239  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UC1100242  Eragrostis mexicana subsp. virescens Malcolm A. Nobs and S. Galen Smith 1948-9-3 487 Riverside 2 mi n Indio (Citrus grove); Imperial Valley Comment
  SEINET3243707  Eragrostis pectinacea var. pectinacea A. C. Sanders 2004-1 28767 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  RSA21763  Eremalche exilis Carl B. Wolf 1937-4-6 8435 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  CLARK-A1656-624  Eremalche rotundifolia Lois Ann Scott 1978-4-10 Riverside Mecca 152 Comment
  RSA23236  Eremalche rotundifolia Ernest Braunton 1940-3-4 2026 Riverside 5 mi. East of Shaver s Well. Comment
  SEINET6075229  Eriastrum densifolium Unknown 1959-7-15 17762 Riverside Anza Valley. Comment
  SD249590  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA0120686  Eriastrum harwoodii Duncan S. Bell 2010-4-2 728 Riverside Arica Mountains: on east side of mountain range between the mountains themselves and Rice Valley; approximately 3.2 air miles southwest of the ghost town of Rice on the west side of Midland road (Rice-Blythe rd.). 245 Comment
  JEPS69111  Eriastrum sapphirinum W. L. Jepson 1914-5-25 6072 Riverside San Gorgonio Pass 548 Comment
  SBBG58326  Eriastrum sapphirinum M. N. Ackley 1928-4-1 Riverside between Indio and Palm Springs 60 Comment
  CAS-BOT-BC515007  Eriastrum sapphirinum subsp. dasyanthum A. M. White 1974-6-5 1059 Riverside Ca. 2.5 mi from Corona Fwy, Aberhill turnoff (Project 74-671, site 5) 487 Comment
  RSA0121590  Eriastrum sapphirinum subsp. dasyanthum J. T. Howell 1928-7-9 1078 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  RSA702740  Ericameria cooperi Scott D. White, Michael Honer 2004-4-6 10047 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  POM359341  Ericameria cuneata Albert J. Perkins 1916-9-3 s.n. Riverside Near Lily Rock - Tahquitz Mt, San Jacinto Mts. Comment
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Sep 3 2011
  CAS-BOT-BC287638  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 287 Riverside Up canyon from turnout parking area which is 1 mile up Sta. Rosa Mt road from Highway 74, Santa Rosa Mts 1371 Comment
  CAS-BOT-BC287640  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 373 Riverside About 2 miles up water service road leading S from Highway 72, Deep Canyon, N slope Santa Rosa Mts 1310 Comment
  CAS-BOT-BC299539  Ericameria paniculata Lewis S. Rose 1934-12-25 34496 Riverside T Cross K Ranch, Mission Canyon 10 mi. N. of Whitewater Comment
  JEPS21393  Ericameria paniculata W. L. Jepson 1916-5-18 6031 Riverside n of Indio (County Well, n side of Colorado Desert); Colorado Desert, Conchilla Mts. Comment
  UC1605380  Ericameria parishii var. parishii Steve Boyd and Darin Banks 1994-9-8 8329 Riverside ridge top on nw flank Margarita Peak (near junction of Forest Service Rds 8S01 and 8S01A); Southern Santa Ana Mountains, Cleveland N.F., San Mateo Cany 762 Comment
  JOTR16591  Erigeron breweri var. covillei Baker, James K. & Baker, Ilisa T. 1976-2-7 6 /17/1966 Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JOTR33672  Erigeron breweri var. covillei La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2662 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  UC219263  Erigeron divergens P. A. Munz and I. M. Johnston 1922-5-20 5469 Riverside Kenworthy San Jacinto Mts. 1402 Comment
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Mar 25 2011
  UCR213684  Erigeron divergens Justin M. Wood 2009-5-11 684 Riverside San Jacinto Mountains, Morris Ranch Rd., roadside just E of Tripp Meadow 1646 Comment
  POM12780  Erigeron foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  UCSB49611  Erigeron foliosus Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, W1/2 sec. 28 1996 Comment
  UC217913  Erigeron foliosus var. foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley 1371 Comment
  UCR24942  Erigeron foliosus var. foliosus A. C. Sanders 1980-7-18 1660 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCD65720  Eriochloa acuminata Prof McMinn 1927-10-12 Riverside Indio. Comment
  LA102172  Eriochloa acuminata var. acuminata Alfred R. Roos; 1937-11-28 sn Riverside E Washington St Comment
  LA102173  Eriochloa aristata var. aristata John C. Roos; 1965-9-26 sn Riverside Indio Comment
  LA205611  Eriodictyon crassifolium Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  RSA455012  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, Santa Rosa Mts. 1317 Comment
  RSA0034762  Eriodictyon crassifolium Norman C. Cooper 1944-4-8 1066 Riverside Andreas Canyon. 304 Comment
  RSA757989  Eriodictyon crassifolium var. crassifolium Doug Goldman 2005-5-11 3284 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
  SEINET7048168  Eriodictyon crassifolium var. crassifolium Steven R. Hill 2001-5-3 33674 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
  HSC93339  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  CAS-BOT-BC188969  Eriodictyon parryi H. M. Hall 1901-7-1 2502 Riverside Vicinity of Strawberry Valley 1828 Comment
  CLARK-A1656-783  Eriodictyon trichocalyx subsp. trichocalyx Theo Glenn 1982-4-23 Riverside Cottonwood Canyon Comment
  SEINET3289843 Image available Eriogonum apiculatum M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains region: East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  UCR56075  Eriogonum austrinum G. F. Pratt 1988-12-31 s.n. Riverside Sonoran (Colorado) Desert, Granite Mountains, south of Rice 915 Comment
  UCR158282  Eriogonum brachyanthum Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  CAS-BOT-BC256128  Eriogonum deflexum var. deflexum Aven Nelson; Ruth Nelson 1939-3-29 3325 Riverside Hidden Springs Canyon, not far from Mecca Comment
  CAS-BOT-BC256130  Eriogonum deflexum var. deflexum Howard Scott Gentry 1936-11-1 2968 Riverside West side of Colorado Desert 152 Comment
  UC1348957  Eriogonum evanidum Louis B. Ziegler 1967-10-10 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1402 Comment
  CAS-BOT-BC249896  Eriogonum fasciculatum var. flavoviride Frank W. Peirson 1928-4-24 7907 Riverside Cottonwood Spring Comment
  UC68576  Eriogonum fasciculatum var. flavoviride H. M. Hall May, 1903 6003 Riverside Cottonwood Pass 731 Comment
  RSA516763  Eriogonum fasciculatum var. foliolosum Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UC75787  Eriogonum fasciculatum var. foliolosum Miss M. A. King 1893-1 Riverside Menifee Comment
  JOTR16811  Eriogonum fasciculatum var. polifolium Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  RSA3336  Eriogonum fasciculatum var. polifolium H. de Forest, Jack Rempel 1933-6-25 s.n. Riverside Along road from Banning. Comment
  SD229222  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer 2012-8-6 770 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  SD229223  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 642 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UC849417  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 6592 Riverside Keen Camp P.O. 1360 Comment
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Nov 20 2010
  UC6567  Eriogonum gracile A. J. McClatchie 1890-1 47 Riverside near Elsinore Comment
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Jul 8 2009
  UCR193976  Eriogonum gracile A. C. Sanders 2008-7-25 35911 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR24943  Eriogonum gracile var. gracile A. C. Sanders 1980-7-18 1636 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  POM2336  Eriogonum gracillimum Jenkins, Street 1917-5-30 1970 Riverside San Jacinto. Comment
  UCR126425  Eriogonum inflatum T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 54 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  RSA783818  Eriogonum molestum var. davidsonii John Olmsted 1958-9-21 206 Riverside Dark Canyon just above its intersection with Banning Idyllwild road. Comment
  CAS-BOT-BC269781  Eriogonum nudum var. pauciflorum F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCR272168  Eriogonum nudum var. pauciflorum Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8570 Riverside Santa Rosa Mountains, along Forest Service Road 7S02 c. 0.7 air mile west of the summit of Santa Rosa Mountain 2253 Comment
  JEPS57089  Eriogonum parishii Marjorie D. Clary 1932-8-21 1083 Riverside Vandeventer Flats San Jacinto Mts. 1341 Comment
  UC545878  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash, at the San Bernardino County Line Morongo Wash 731 Comment
  RSA772136  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4977 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UC912798  Eriogonum thomasii Mary F. Spencer 1922-3-23 2148 Riverside near Mecca; Colorado Desert -48 Comment
  UCR216496  Eriogonum thomasii Jim Andre, T. La Doux 2009-3-10 11237 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  CAS-BOT-BC263535  Eriogonum thomasii Catherine A. Toschi 1963-4-10 63 :115 Riverside Boyd Desert Research Center 5 miles south of Palm Desert 304 Comment
  POM209431  Eriogonum thurberi S. G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1220 Comment
  RSA522267  Eriogonum thurberi Steve Boyd, Dave Bramlet, Harry Spilman 1989-4-30 3513 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UCR211720  Eriogonum thurberi Fred M. Roberts, D. E. Bramlet 2005-6-6 6247 Riverside Perris Basin, San Jacinto Valley, San Jacinto River Wash, just west of SR 79 overpass, 1.4 km west-southwest of Gilman Hot Springs 442 Comment
  CAS-BOT-BC263591  Eriogonum trichopes Carl B. Wolf 1932-4-28 3081 Riverside Chuckwalla Valley, 19 mi. west of Blythe on the Mecca Road, Colorado Desert 121 Comment
  CLARK-A1045-212  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  RSA778229  Eriogonum trichopes Duncan S. Bell 2009-3-8 34 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA420615  Eriogonum wrightii var. membranaceum Lester H. Cushman 1931-10 s.n. Riverside Mt. San Jacinto. 2134 Comment
  UCR195146  Eriogonum wrightii var. membranaceum A. C. Sanders, Tim Thomas 2008-8-1 35928 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CAS-BOT-BC261790  Eriogonum wrightii var. nodosum E. K. Balls; P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n. side of valley 701 Comment
  UC494688  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside road <from> Indio to Vandeventer Flat (n base of mts.); Santa Rosa Mts. 609 Comment
  RSA472332  Eriophyllum ambiguum var. paleaceum M. B. Dunkle 1932-3-25 2912 Riverside Near Cathedral Canyon. Comment
  RSA94416  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1933-4-13 10638 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  CAS-BOT-BC301796  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  RSA654552  Eriophyllum multicaule Bruce Albert 1982-4-17 74 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UC1537022  Eriophyllum multicaule Gordon H. True Jr. 1935-3-19 130 Riverside 6 mi se Perris 487 Comment
  OBI8136  Eriophyllum wallacei David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12068 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  SD204817  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-3-14 5195 Riverside Along Snow Creek Road, off Highway 111, about one mile from Snow Creek Village. 366 Comment
  UC354505  Eriophyllum wallacei Edmund C. Jaeger 1925-5-9 Riverside Van de Venter's Flat Santa Rosa Mts., Van de Venter's Flat Comment
  UCR167074  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR136250  Erodium brachycarpum A. C. Sanders 2004-4-20 27571 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCD103187  Erodium cicutarium E. W. Lathrop 1966-5-8 6459 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UCR97892  Erodium cicutarium A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19845 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR26267  Erodium texanum John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Mouth of Lost Palms Wash, Eagle Mountains Comment
  VVC2462  Erodium texanum Tim Thomas 2013-3-18 5934 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR217546  Eryngium aristulatum var. parishii Diane Menuz 2009-5-14 496 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  JEPS53569  Erysimum capitatum var. capitatum Carl V. Meyer June 1927 170 Riverside Saunder's Meadow San Jacinto Mt Comment
  RSA0016058  Erythranthe parishii L. B. Ziegler 1969-6-12 s.n. Riverside Hemet Valley. 1433 Comment
  RSA0014878  Erythranthe primuloides Naomi Fraga 2008-8-28 2609 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  RSA543978  Eschscholzia caespitosa subsp. caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCR138153  Eschscholzia californica D. L. Banks 1997-3-29 1570 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
  UCR58490  Eschscholzia californica Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  LA46247  Eschscholzia minutiflora F. R. Fosberg; 1932-3-13 8070 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA357778  Eschscholzia minutiflora Robert F. Thorne, M. Z. Thorne 1973-3-30 42660 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA796324  Eschscholzia minutiflora Duncan S. Bell 2009-4-18 215 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UC708740  Eschscholzia minutiflora H. K. Wagnon 1944-3-26 372 Riverside Cathedral Canyon Cathedral City (dry stream bed) Comment
  CAS-BOT-BC5931  Eschscholzia minutiflora var. parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Eastern slope of San Bernardino Mt., Whitewater. Comment
  CAS-BOT-BC419587  Eschscholzia parishii S. B. Parish; W. F. Parish 1882-4-1 732 Riverside Eastern slope of San Jacinto Mt. Comment
  POM8074  Eschscholzia parishii Mary F. Spencer 1920-3-13 1608 Riverside Mecca -60 Comment
  UCR119265  Eucrypta chrysanthemifolia Mitch Provance 1998-6-10 635 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR87633  Eucrypta chrysanthemifolia A. C. Sanders 1994-5-30 14607 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR237628  Eucrypta micrantha Duncan S. Bell 2010-3-20 607 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR16187  Euphorbia albomarginata Paul Lamos 1972-4-20 042072- 0102 Riverside [Moreno Valley Badlands], junction of Hwy 60 and Jack Rabbit Trail 793 Comment
  RSA0040031  Euphorbia albomarginata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  CLARK-A1656-661  Euphorbia eriantha Lois Ann Scott 1978-4-8 Riverside Palm Desert 182 Comment
  RSA0043056  Euphorbia jaegeri Duncan S. Bell, Evan Meyer 2014-4-1 6485 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  SEINET156320  Euphorbia palmeri Norman C. Cooper 1944-6-17 1397 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  UC219262  Euphorbia palmeri P. A. Munz and I. M. Johnston 1922-5-21 5517 Riverside Keen Camp; San Jacinto Mts. 1524 Comment
  UCR201604  Euphorbia polycarpa Justin M. Wood 2008-11-17 228 Riverside Southwest Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR21986  Euphorbia polycarpa Steve Boyd 1980-7-20 339 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR272198  Euphorbia serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  CAS-BOT-BC171046  Fagonia laevis Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert Comment
  JOTR30626  Fagonia laevis Andre, Jim, Tasha La Doux 2008-3-21 8842 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 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
  RSA391199  Fagonia laevis Ora M. Clark 1929-3-17 1752 Riverside S. La Quinta, Cali. Comment
  RSA4882  Fagonia laevis Carl B. Wolf 1932-4-27 2998 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road. 152 Comment
  RSA708488  Fagonia laevis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10896 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  RSA778403  Fagonia laevis Stephanie Rockwood, Christi Gabriel 2011-10-5 62 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  RSA788518  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center. 350 Comment
  SBBG29416  Fagonia laevis D. Myrick 1968-3-4 1810 Riverside Palms to Pines Hwy out of Palm Desert Comment
  UC867876  Fagonia laevis C. L. Hitchcock 1940-4-2 5920 Riverside Cottonwood Springs wash; Joshua Tree National Monument Comment
  UCSB22662  Fagonia laevis Shaw, M. 1964-4-5 Riverside Wash along State Highway 195, 2.8 miles west of junction with cut off road to U.S. Highway 70. 457 Comment
  CSUSB448  Festuca arundinacea Steve Walker 1966-5-13 Riverside City of Riverside; Fairmount Park; 500 yards from Santa Ana River. Western perimeter. 274 Comment
  RSA0120132  Festuca arundinacea Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR88739  Festuca microstachys A. C. Sanders 1995-4-13 16508 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
  UCR91279  Festuca myuros Scott D. White 1995-4-5 2762 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR275448  Festuca octoflora Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 942 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR268086  Festuca octoflora var. octoflora Jim Andre 2012-4-11 20680 Riverside Mojave Desert, Joshua Tree National Park, Hidden Tank Picnic Area, 1.4 miles southwest of paved road (Utah trail) to Cottonwood Spring, c. 8 miles south of North Entrance Station, north end of Hexie Mountains 1077 Comment
  RSA336193  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52059 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA393727  Filago californica E. S. Spalding 1913-03 14829 Riverside E. of Banning. Comment
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Nov 29 2011
  RSA729268  Filago californica R. F. Thorne, M. Z. Thorne 1973-3-30 42686 -b Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA776223  Filago californica Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 866 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SEINET7073467  Filago californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR116825  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23926 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR216233  Filago californica Mike Bell 2008-3-19 036 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  UCR228875  Filago californica A. C. Sanders 2011-4-6 39015 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR158330  Filago gallica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30056 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
  UC878021  Forestiera pubescens P. A. Munz and I. M. Johnston 1922-5-21 5511 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  RSA292852  Fouquieria splendens Lyman Benson 1949-3-28 13581 Riverside Pines to Palms Highway from Palm Sprins to Hemet; rocky mountainside Santa Rosa Mountain Range, above the desert 305 Comment
  CAS-BOT-BC223605  Fouquieria splendens subsp. splendens Catherine A. Toschi 1963-4-10 63 :112 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  JOTR31874  Fouquieria splendens subsp. splendens La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2128 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  RSA658684  Fragaria vesca subsp. californica Bob Rogers 1984-5-5 30 Riverside Along a trail bordering the west side of Fuller Mill Creek heading upstream. Starting point was on the North side of Hwy 243, 11.6 miles from hwy 74/hwy 243 jctn. 1524 Comment
  JEPS122474  Frangula californica subsp. cuspidata J. M. Andre 2012-6-15 30533 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  CAS-BOT-BC211660  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore Comment
  UCR110915  Frankenia salina A. C. Sanders, K. C. Rose 1999-6-18 22821 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  SD143813  Fraxinus dipetala A. C. Sanders, P. MacKay, et al. 1997-5-4 20674 Riverside San Jacinto Mountains: North side of the range, 0.2 mile north of Twin Pines Ranch Road, on the dirt road to Brown Creek and Cabazon./ 1098 Comment
  JEPS42943  Fraxinus velutina Marjorie D. Clary 1932-7-4 938 Riverside 10 mi se Kenworthy; Santa Rosa MTs. Comment
  UCR104632  Fritillaria biflora D. E. Bramlet 1997-3-13 2484 Riverside Lake Skinner Co. Park, 8 m west of Old Warren Road and c. 1.07 km north of the intersection of the entrance road and Old Warren Road. 465 Comment
  JOTR32026  Funastrum utahense La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2256 Riverside Joshua Tree National Park. Pinto Basin, near Turkey Flats back country parking lot; open gravelly flats (Stop 4) 518 Comment
  RSA0108817  Funastrum utahense Duncan S. Bell, Amanda Turek 2009-3-30 186 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCR88734  Galium angustifolium A. C. Sanders 1995-4-13 16483 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
  POM17946  Galium angustifolium subsp. angustifolium Philip A. Munz 1923-6-14 7118 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  POM367712  Galium angustifolium subsp. angustifolium Christopher Davidson 1973-4-1 1808 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UC888700  Galium angustifolium subsp. angustifolium C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp Fuller's Mill; Mt. San Jacinto Comment
  RSA682188  Galium angustifolium subsp. jacinticum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1113 Riverside Black Moutain Road (4501), southeast of Black Moutain and northwest of Fuller Mill Creek. 2043 Comment
  UCR147260  Galium angustifolium subsp. jacinticum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1283 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  RSA783231  Galium aparine J. D. Olmsted 1962-5-2 3454 Riverside Flat by saddle just N of highest part of Box Spring Mountains 762 Comment
  RSA701505  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-7 1297 Riverside Along Chimeny Flats Road (5S06) near intersection with Red Hill Road (5S10), on the way to Alvin Meadows. 1463 Comment
  UCR92044  Galium nuttallii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3346 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UC1143089  Galium nuttallii subsp. nuttallii R. St. John 1931-2-18 185 Riverside sw Murrieta; Elsinore Quadrangle Comment
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Nov 27 2011
  RSA508020  Galium porrigens var. porrigens Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2288 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC1536777  Galium porrigens var. porrigens G. H. True 1935-4-5 213 Riverside Gavilan Hills 609 Comment
  CLARK-A1045-214  Galium stellatum subsp. eremicum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; rocky area at base of dry wash; Lost Horse Mtn. 15'Q Comment
  RSA0107899  Galium stellatum subsp. eremicum Duncan S. Bell, Thomas Stoughton 2010-3-19 572 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.3 air miles west of Priest Well. 428 Comment
  LA40319  Garrya flavescens J. Warren; 1952-5-26 sn Riverside 10 mi. S of Lake Hemet 1066 Comment
  POM261681  Garrya flavescens var. pallida W. Pequegnat 1940-12-27 s.n. Riverside Between Trabuco and Santiago Pks., Santa Ana Mts. 1311 Comment
  SEINET10453492  Garrya veatchii James S. Miller 1992-5-8 Miller 7464 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  RSA179500  Gastridium phleoides E. W. Lathrop 1960-6-7 4898 Riverside 14 miles west of Murrieta Comment
  UCR177323  Gastridium ventricosum Scott D. White, Michael Honer 2003-5-27 9414 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  RSA752813  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA633319  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38085 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR92793  Gazania longiscapa Scott D. White 1994-3-29 1932 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  POM358679  Geraea canescens M. B. Dunkle 1935-4-17 4553 Riverside W. of Wiley Well. Colorado Desert. Comment
  SBBG34736  Geraea canescens T. L. Secrest 1950-3-13 Riverside near Indio Comment
  UCR227179  Geraea canescens Jim Andre 2011-2-9 15939 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  RSA93765  Geraea canescens F. W. Peirson 1918-03 1333 Riverside Irrigated field near Indio. Comment
  SEINET10726154  Geraea canescens David B. Dunn 1948-3-14 Dunn 3765 Riverside Found 5 miles west of Thousand Palms. Comment
  SD212640  Geranium A. C. Sanders, T. B. Salvato 2006-5-4 32246 Riverside UCR campus, weeds in botanical garden. 351 Comment
  PASA673  Geranium carolinianum Frank W. Peirson 1922-4-10 Riverside Murray Canyon 304 Comment
  SDSU13962  Geranium carolinianum Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2102 Riverside El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  SDSU3067  Gilia angelensis W. E. Rehlaender 1983-4-22 91 Riverside Riverside; NE rim of Sycamore Canyon, about 1 mile SW of Highway 60 and 2 1/2 mile SSE of UCR campus. 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
  UCR92046  Gilia angelensis Scott D. White 1995-3-30 2653 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  SEINET6692563 Image available Gilia brevicula Norman C. Cooper 1944-6-17 1396 Riverside San Jacinto Mountains. Pine Cove. 1524 Comment
  UCR93821  Gilia capitata P. J. MacKay 1996-6-15 005 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA525422  Gilia capitata subsp. abrotanifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4530 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA742093  Gilia capitata subsp. abrotanifolia Peter L. Morrell 1993-5-1 226 Riverside San Bernardino Mtns.: c. 300 m W of Whitewater Canyon Rd. along stream bed (upstream), 3.3 miles N of I-10. 627 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
  RSA776280  Gilia capitata subsp. abrotanifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 882 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCSB46698  Gilia capitata subsp. abrotanifolia Leen, Rosemary 1977-5-29 Riverside San Jacinto Mts.; Highway 243, south of Twin Pines Road turnoff 1219 Comment
  SDSU3074  Gilia caruifolia Bruhns 1965-5-22 115 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  RSA489834  Gilia diegensis D. Charlton 1988-5-28 2132 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  UC908484  Gilia diegensis Herbert L. Mason 1928-3-11 4252 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UC908898  Gilia diegensis Carl V. Meyer 1927-6-18 774 Riverside upper part Hemet Valley , Hemet Valley (San Jacinto Mountains) 1219 Comment
  UCR52067  Gilia exilis D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  CAS-BOT-BC407603  Gilia ochroleuca subsp. exilis Carl Meyer 1927-6-1 193 Riverside Below Saunder's Meadow, San Jacinto Mountains 1584 Comment
  CAS-BOT-BC407604  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-21 s.n. Riverside 20 miles N of Idylwild Comment
  RSA0017266  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 4642 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  RSA0017280  Gilia ochroleuca subsp. exilis Scott D. White, Steve Ogg 1994-4-21 2004 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA0116979  Gilia scopulorum Duncan S. Bell 2010-3-20 601 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA78695  Gilia sinuata P. A. Munz 1952-4-15 17349 Riverside Pleasant Valley, Joshua Tree National Monument 1159 Comment
  RSA0126640  Gilia stellata Duncan S. Bell 2016-3-4 8797 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA172282  Gilia stellata R. F. Thorne 1963-3-29 32396 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA516892  Gilia stellata Steve Boyd, Orlando Mistretta 1986-3-13 1408 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
  RSA703478  Gilia stellata LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1422 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  CAS-BOT-BC266504  Githopsis diffusa John Thomas Howell 1931-5-30 6593 Riverside Santiago Peak Trail, Santa Ana Mountains Comment
  RSA33831  Gnaphalium californicum N. C. Cooper 1944-6-4 1367 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UCR21161  Gnaphalium californicum 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
  CAS-BOT-BC499166  Gnaphalium palustre Mitch Provance 2011-6-6 17004 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., E to Old 215 Frontage Rd 466 Comment
  SEINET2056598 Image available Grayia spinosa B. Pitzer 2001-4-11 4326 Riverside SW Mojave Desert; just outside the Adelanto city limits. 2.6 Mi. N of Hwy 18 & 0.2 mi. W of Hwy 395 0n Holly Road 911 Comment
  UCSB1695  Grayia spinosa Leeuwen, Henry 1957-4-13 Riverside White Water Canyon about 2 miles from U.S. 60 Comment
  UCR23826  Gutierrezia californica John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, rocky point near Palm Springs Station [Windy Point?] Comment
  POM243635  Gutierrezia microcephala E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  UCR260513  Gutierrezia sarothrae T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7995 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  SEINET189223 Image available Halliophytum hallii Annie M. Alexander, L Kellogg 1941-5-14 2171 Riverside 2.5 miles south of Cottonwood Spring Eagle Mountains 838 Comment
  CAS-BOT-BC231096  Harpagonella palmeri Steve Boyd; Laurel Arnseth; Jaime Bonilla 1990-4-3 4060 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end 792 Comment
  RSA0066620  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 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
  UCR90408  Harpagonella palmeri D. L. Banks, Steve Boyd 1995-5-9 0398 Riverside NW Palomar Mtns., Cleveland Natinal Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 790 Comment
  RSA793030  Hedypnois cretica Justin M. Wood 2011-4-4 3392 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  SEINET1004366  Hedysarum coronarium Walter Graves 2003-1 530 -6 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  UCR133359  Helianthus gracilentus Tracy Tennant, J. S. Ross 1998-4-30 MOR- 63 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  RSA781527  Heliotropium convolvulaceum var. californicum Duncan S. Bell 2010-5-1 874 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR275219  Heliotropium curassavicum A. C. Sanders, Karen Kirtland 2016-9-23 42628 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  RSA653217  Heliotropium curassavicum var. oculatum John Wallace, Steve McNabb 1991-5-5 5 Riverside Colorado River. River Bend Lodge. Comment
  RSA488925  Hemizonia fasciculata Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  RSA736381  Hemizonia kelloggii Scott D. White, Justin M. Wood 2008-5-1 11922 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR3298  Hemizonia kelloggii T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on S fork of road 762 Comment
  UCR211882  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1068 B Riverside Peninsular Range; San jacinto Mountains, Keen Camp Road, east of Hwy 74, west of entrance gate to Camp Tahquitz Meadows 1402 Comment
  UCR82812  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15793 Riverside San Jacinto Mtns., 1 mi SE of Twin Pines Ranch, along minor gullies between Pines Creek and Dutch Creek, N slope 1195 Comment
  UCR82813  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mtns., N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing 854 Comment
  UCR159089  Hemizonia paniculata David Charlton 2005-8-10 s.n. Riverside Perris-Aguanga Basin Region, Perris, SW corner of Perris Valley Airport, corner of Mapes Rd. and Goetz Rd. 430 Comment
  JEPS20372  Heterotheca grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River Comment
  UCR92617  Heterotheca sessiliflora subsp. echioides Scott D. White 1995-8-23 3591 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  SBBG98223  Heuchera hirsutissima M. B. Dunkle 1933-7-19 3688 Riverside Tahquitz Pk 2651 Comment
  CAS-BOT-BC203351  Hibiscus denudatus Ira L. Wiggins 1941-3-27 9691 Riverside 8.2 miles west of Shaver's Summit Comment
  SD258430  Hibiscus denudatus J. M. Andre 2013-3-27 24814 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 miles S of Vidal Jct. 125 Comment
  SEINET156046  Hibiscus denudatus Norman C. Cooper 1944-4-8 1072 Riverside Andreas Canyon. 305 Comment
  CAS-BOT-BC318754  Hieracium horridum Louis C. Wheeler 1931-10-3 191 Riverside Tahquitz Peak, San Jacinto Mts. 2682 Comment
  CAS-BOT-BC318753  Hieracium horridum Edmund C. Jaeger 1924-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2194 Comment
  SEINET229274 Image available Hilaria rigida L. M. Shultz, JS Shultz 1985-4-15 8244 Riverside Chuckawalla Valley depression along Wiley's well rd 122 Comment
  UCD57072  Hilaria rigida Geoffrey Levin 1976-3-27 695 Riverside Chino Canyon. West of Palm Springs. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  UCD89916  Hilaria rigida A. A. Beetle 1942-4-22 3183 Riverside Rts. 60 and and 0 (sic), 5 miles east of Shavers Summit. Comment
  CAS-BOT-BC207511  Hoffmannseggia glauca Aven Nelson; Ruth Nelson 1939-3-30 3344 Riverside Hiway 70, between Mecca and Blythe Comment
  CAS-BOT-BC207568  Hoffmannseggia microphylla B. D. Stark 1931-4-27 1091 -seed Riverside Hidden Springs Canyon, 8 1/2 miles from Mecca, Colorado Desert 6 Comment
  LA45784  Hoffmannseggia microphylla Carl Epling; William Robison, William Stewart 1936-3-22 sn Riverside Painted Canyon, near Mecca Comment
  UCSB3084  Hoffmannseggia microphylla Graney, Don 1953-3-21 Riverside Colorado Desert Comment
  UCSB3086  Hoffmannseggia microphylla Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  RSA588185  Hoita macrostachya D. L. Banks, Victor W. Steinmann 1995-7-10 0750 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 609 Comment
  SD186088  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Hill 2139 at west end of the Mesa De Colorado, private land on the west side of Vioa Volcano adjacent to the Santa Rosa Plateau Ecol. Reserve. 640 Comment
  RSA646292  Holodiscus discolor Orlando Mistretta 1992-7-16 725 Riverside Santa Ana Mountains: Sierra Peak; Astragalus brauntonii survey. Comment
  RSA769629  Holodiscus discolor E. W. Lathrop 1973-6-28 7436 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA609948  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and183m north of the San Jacinto River. This locality was some 46m south of the existing access road., 11S X 04 88 978mE X 37 45 950mN 432 Comment
  UCR189805  Hordeum intercedens Theresa Johnson 2007-3-27 314 Riverside San Jacinto Valley, San Jacinto Wildlife Area east of Davis Road, on southern edge of self-guided tour's 'Marsh A 433 Comment
  UCR154540  Hordeum marinum Jason L. Hlebakos 2005-5-18 709 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  SD224800  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18061 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th streets, alkaline flats along the E side of the river channel. 433 Comment
  UCD85895  Hordeum marinum subsp. gussoneanum Robert F. Thorne; P. Munz, E. Lathrop 1968-5-8 37589 Riverside Santa Rosa Plateau. On Mesa de Colorado, Rancho California. 670 Comment
  RSA748352  Hordeum murinum Justin M. Wood 2009-5-15 716 -A Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR100629  Hordeum murinum A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19894 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  CAS-BOT-BC284763  Hordeum murinum subsp. glaucum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23083 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  CAS-BOT-BC284764  Hordeum murinum subsp. glaucum John Thomas Howell 1956-3-19 31117 Riverside San Jacinto Comment
  POM112842  Hordeum murinum subsp. glaucum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA633327  Horkelia clevelandii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38078 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UCR49238  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA587420  Hulsea heterochroma D. L. Banks, S. D. Boyd 1995-6-2 0564 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  RSA561119  Hydrocotyle umbellata Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7317 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
  UCR166854  Hymenoclea salsola Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  POM259258  Hymenopappus filifolius var. lugens P. A. Munz 1938-8-14 15382 Riverside East of Toro Peak 2287 Comment
  UC489081  Hypericum anagalloides C. V. Meyer 1928-7-26 532 Riverside w. slope San Jacinto Mt. 2438 Comment
  UC65036  Hypericum anagalloides H. M. Hall 1897-6-16 659 Riverside San Jacinto Mt. Comment
  CAS-BOT-BC219733  Hyptis emoryi Walter Knight; Irja Knight; Fred Klein 1968-11-17 2586 Riverside 2.8 mi. n. of junction of Bradshaw Stage Road and Imperial Gas Line Road. Access from Indio-Blythe highway via Red Cloud Road Comment
  CAS-BOT-BC219734  Hyptis emoryi Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6421 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  CLARK-A1528-569  Hyptis emoryi John N. Bullock 1970-5-8 Riverside Box Canyon 256 Comment
  JOTR31949  Hyptis emoryi La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2187 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA115037  Hyptis emoryi E. K. Balls, Percy C. Everett, S. Tillett 1955-7-19 20977 Riverside Material Collected on Hwy 74, 15.5 mi NE from PinyonFlat F.S. Campground on road to Palm Springs. 701 Comment
  RSA305949  Hyptis emoryi Fay A. MacFadden 1940-3-17 15284 Riverside Road from 29 Palms to Indio, 2/3 of way to Indio. San Bernardino Mtns Comment
  UC883103  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside between Cottonwood Spring and Pinto Basin; btw Cottonwood Spring and Pinto Basin Comment
  SEINET12277044  Hyptis emoryi L. S. Rose 1936-1 36791 Riverside Palm Canyon Wash 152 Comment
  CAS-BOT-BC311616  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio, Salton Sink -6 Comment
  OBI16009  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  UCR180385  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11277 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  RSA234046  Isoetes howellii R. F. Thorne, E. W. Lathrop 1969-5-12 37942 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA356636  Isoetes howellii R. F. Thorne, Earl Lathrop 1975-5-20 45542 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA774504  Isomeris arborea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4426 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
  RSA778130  Isomeris arborea Thomas Stoughton, Erika Gardner, Duncan S. Bell 2010-11-12 716 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  UC196112  Isomeris arborea S. B. and W. F. Parish Apr 1882 28 Riverside Whitewater Colorado Desert (borders of Colorado Desert) Comment
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Jul 15 2009
  UCR35129  Isomeris arborea L. B. Ziegler 1976-1-9 546 Riverside Sonoran (Colorado) Desert, Near Desert Hot Springs 396 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
  SD240870  Iva axillaris A. C. Sanders, John F. Green 2012-5-27 40215 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris. 441 Comment
  UCR121889  Iva axillaris Ian G. Gillespie 2001-5-7 78 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  UCR136159  Iva axillaris A. C. Sanders 2004-6-20 28213 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
  RSA736259  Iva axillaris subsp. robustior Scott D. White, Justin M. Wood 2008-4-3 11792 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  UC1523439  Ivesia saxosa Robert F. Thorne, Rolf and Gertrud Dahlgren 1979-8-22 53577 Riverside base of Ryan Mountains (vicinity of Ryan Camp); Joshua Tree National Monument 1341 Comment
  UCD51331  Jarava speciosa F. M. Reed 1926-5-8 5326 Riverside Riverside and vicinity, hill near Good Hope Mine. Comment
  UCR189780  Juglans californica var. californica Amy Rowland 2007-8-31 103 Riverside Peninsular Ranges, Perris-Aguanga basin, Off Rawson Rd in parcel 31 of Lake Skinner Reserve 501 Comment
  SD241063  Juglans hindsii R. E. Riefner Jr. 2011-9-10 11 126 Riverside Santa Ana Canyon, end of Green River Road, near entrance to Green River Golf Course. 124 Comment
  UCR247518  Juglans hindsii R. E. Riefner Jr. 2012-7-23 12- 322 Riverside city of Hemet, c. 100 yards north of Devonshire Ave. and Meyers St. 473 Comment
  JEPS63812  Juncus balticus S. B. Parish 1913-2-7 8455 Riverside near Mecca; Salton Basin -60 Comment
  UCR108208  Juncus balticus D. L. Banks 1997-11-15 2196 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  UCR60542  Juncus bufonius R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51978 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA586303  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA653674  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  UCR174345  Juncus bufonius var. congestus A. C. Sanders 2006-5-19 32400 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UC1099771  Juncus bufonius var. occidentalis Frank W. Peirson 1922-4-29 2928 Riverside s side Lake Elsinore Comment
  RSA335007  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1106 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  UCR109697  Juncus effusus subsp. austrocalifornicus T. W. Fisher 1963-9-24 s.n. Riverside San Jacinto Mtns., Idyllwild 1585 Comment
  SBBG57286  Juncus macrandrus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  RSA621505  Juncus mexicanus Darin L. Banks 1997-11-15 2196 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  RSA97126  Juncus mexicanus H. K. Buechner 1955-6-1 C- 116 Riverside 4.5 miles south of Palm Desert. north base of Santa Rosa Mountains. Comment
  POM12142  Juncus rugulosus Mary F. Spencer 1259 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
  POM184650  Juncus rugulosus L. C. Wheeler 1931-10-3 188 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  RSA709184  Juncus rugulosus A. C. Sanders, Kelly Volansky 2005-8-31 31568 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
  RSA660029  Juniperus californica Michelle Cleveland 1981-2-14 9 Riverside Turn left at sign for Bighorn overlook, 13 miles from junction of Hwys [1]11&74. 1200 Comment
  RSA487532  Justicia californica B. Pitzer 1988-3-10 640 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SFV8413  Justicia californica G. L. Webster, W. R. Hildreth 1966-12-10 7461 Riverside Mojave Desert Joshua Tree National Monument, upper part of Cottonwood Canyon, gravelly desert wash. 793 Comment
  UCR120689  Justicia californica Helen Kennedy, T. B. Salvato 2002-2-2 5453 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  RSA781421  Kallstroemia californica Duncan S. Bell 2011-10-22 3001 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA793268  Kallstroemia californica Aaron C. Sedgwick, Cody Leslie 2012-9-20 125 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  UCR146287  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  RSA0119982  Keckiella antirrhinoides Duncan S. Bell, Thomas Stoughton 2016-4-13 9270 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA221035  Keckiella antirrhinoides E. W. Lathrop 1966-3-23 6075 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  UCR172787  Keckiella antirrhinoides Wayne Law, Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  RSA0003176  Keckiella antirrhinoides Leota Brice 1930-4-10 s.n. Riverside [Unspecified] Comment
  CAS-BOT-BC236708  Keckiella antirrhinoides subsp. antirrhinoides L. Street 1917-5-15 1932 Riverside Between Elsinore and Perris Comment
  UCR251879  Keckiella antirrhinoides subsp. antirrhinoides 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
  UCR98077  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, G. Helmkamp 1997-3-15 19952 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  VVC2010  Koeberlinia spinosa var. tenuispina Corey Mitchell 2010-4-19 s.n. Riverside Colorado Desert, 6.5 miles north of Desert Center 201 Comment
  CAS-BOT-BC61433  Krameria bicolor D. A. Johansen; J. A. Ewan 1932-4-12 7070 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  LA205731  Krameria bicolor Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, Morongo Pass Comment
  CLARK-A1528-4705  Lamarckia aurea John C. Roos 1947-3-21 3373 Riverside Reche Canyon Comment
  UCR21907  Lamarckia aurea Steve Boyd 1980-5-2 156 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA489113  Lamarckia aurea L. F. LaPre, J. Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau; Mesa de Burro, Santa Rosa Springs Ranch Comment
  UCR117347  Lamium amplexicaule Mitch Provance 1998-3-21 273 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', mesas below (SW of) the Ormand Quarry. 287 Comment
  UCR158320  Lamium amplexicaule A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30063 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CLARK-A1528-3535  Langloisia schottii John C. Roos 1943-5-23 2663 Riverside Little San Bernardino Mountains Comment
  UCR72195  Langloisia setosissima Theo Glenn 1991-5-21 91- 107 Riverside Sonoran (Colorado) Desert, Arica Mtns, SW of Rice. Near old Priest Mine 421 Comment
  UCD170914  Laportea ovalifolia A. C. Sanders; S. Morgan 1995-11-30 17926 Riverside Riverside: weed in the UCR Botanic Garden. 365 Comment
  CAS-BOT-BC166020  Larrea tridentata E. A. McGregor 1917-3-19 713 Riverside Indio Sands - Colorado Desert Comment
  CAS-BOT-BC170705  Larrea tridentata M. Bourell; R. Patterson 1987-4-14 3279 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  LA31387  Larrea tridentata Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 c- 172 Riverside Morongo Wash Comment
  RSA707347  Larrea tridentata Jonathan Snapp-Cook, Kurt Roblek, Kevin Clark, Reas Chavez 2005-6-30 CFW- 11 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune (WGS84/NAD83) 91 Comment
  SBBG109171  Larrea tridentata D. Wilken with G. A. Wilken 1997-11-1 15373 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  CLARK-A1528-1978  Lasthenia chrysostoma John C. Roos 1952-5-21 5706 Riverside San Jacinto River 426 Comment
  SBBG55772  Lasthenia coronaria D. Keil, M. McLeod 1977-3-26 12010 -1 Riverside Hwy 71, 8 mi NW of Lake Elsinore St Recreation area 365 Comment
  UCR128905  Lasthenia coronaria A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23903 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR29355  Lasthenia coronaria M. G. McLeod, D. J. Keil 1977-3-26 K12010- 01 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  UCR88736  Lasthenia coronaria A. C. Sanders 1995-4-13 16498 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
  UCR91276  Lasthenia coronaria Scott D. White 1995-4-5 2742 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCSB6391  Lasthenia coronaria Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 road miles N. of U.S. 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  RSA92992  Lasthenia coronaria F. W. Peirson 1919-4-15 1373 Riverside Whitewater Grade east of Banning 610 Comment
  RSA708425  Lasthenia gracilis Scott D. White 2005-3-29 10834 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UC30439  Lasthenia gracilis Geo. R. Hall 1901-3-17 1676 b Riverside Riverside Comment
  UCR232053  Lasthenia gracilis John F. Green 2008-4-15 0408- 16 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  SEINET4010592 Image available Layia platyglossa O. M. Clark 1929-1 1941 Riverside Hemet, southern California. Comment
  UCR138910  Layia platyglossa Julie A. Greene 1993-4-3 1098 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of permanent pond 441 Comment
  RSA603794  Layia platyglossa subsp. campestris Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles N of Elsinore Comment
  POM12985  Layia platyglossa subsp. platyglossa P. A. Munz, I. M. Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM1564  Lemna gibba I. M. Johnston 1918-5-30 2010 Riverside Lake Elsinore. 366 Comment
  SD115189  Lepechinia cardiophylla M. Kottman 1982-5-17 Riverside Junction of Indian Truck Trail and North Main Divide. Comment
  UCR85526  Lepidium chalepense Scott D. White 1993-3-12 1147 Riverside Near Winchester, along Leon Road 445 Comment
  UCR85529  Lepidium dictyotum var. dictyotum Scott D. White 1993-3-12 1156 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  RSA0123116  Lepidium lasiocarpum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9023 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
  RSA162684  Lepidium lasiocarpum J. D. Olmsted 1958-3-29 71 Riverside 3 miles N of Cottonwood Spring in Joshua Tree national Monument which is 8 miles from the southern entrance. 991 Comment
  RSA66733  Lepidium lasiocarpum F. W. Peirson 1920-2-15 2834 Riverside Palm Springs, Tahquitz Camp. Comment
  UCR249829  Lepidium lasiocarpum T. B. Salvato, John Lovio 2013-3-19 7368 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  JOTR28808  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Bill Truesdell 2004-3-11 1076 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  RSA737350  Lepidium latifolium Justin M. Wood 2008-9-19 135 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR180109  Lepidium nitidum Mitch Provance 2003-4-26 9894 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
  SD229115  Lepidium virginicum subsp. menziesii Dick Schwenkmeyer 2011-8-25 649 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  POM17944  Lepidium virginicum var. pubescens P. A. Munz 1923-6-14 7116 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  RSA697080  Lepidospartum squamatum Anonymous 1928-11-12 381 Riverside Aguanga. Comment
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Oct 23 2011
  SD229100  Lepidospartum squamatum Dick Schwenkmeyer 2012-10-16 848 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SEINET3196333 Image available Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), just N of Cedar and Moutain, NE end of Hemet. Comment
  RSA425021  Leptochloa panicea subsp. mucronata J. C. Roos 1958-9-28 s.n. Riverside Coachella. Comment
  UC881519  Leptodactylon californicum C. L. Hitchcock 1940-4-12 6041 Riverside 8 mi nw Elsinore 457 Comment
  CAS-BOT-BC226618  Leptosiphon floribundus subsp. hallii A. Davidson 1903-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  RSA73077  Leptosiphon liniflorus P. A. Munz 1922-6-23 3316 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  SBBG55791  Leptosyne calliopsidea D. Keil, M. McLeod 1977-3-26 12010 Riverside Hwy 71, ca. 8 mi NW of Lake Elsinore St Recreation Area 365 Comment
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Jul 15 2020
  UC279681  Lesquerella tenella Edmund C. Jaeger 1926-2-28 Riverside Canyon Springs Wash near Salton Station (Colorado Desert); , Canyon Springs Wash 30 Comment
  UCR115153  Lessingia filaginifolia Mitch Provance 2000-8-24 2220 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 274 Comment
  UCR3716  Lessingia filaginifolia Frank C. Vasek 1964-7-25 640725- 22 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  UCR138602  Lessingia filaginifolia var. filaginifolia D. L. Banks 1996-11-7 1208 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  RSA38277  Lessingia glandulifera var. glandulifera P. A. Munz 1946-10-18 11560 Riverside Round-top hill northwest of Aguanga. 793 Comment
  RSA655213  Lessingia glandulifera var. glandulifera Scott D. White 1999-7-9 7533 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  RSA78247  Lessingia glandulifera var. glandulifera P. A. Munz, E. K. Balls 1952-8-21 17962 Riverside Hamilton Creek, SE part of San Jacinto Mountains. 1372 Comment
  SBBG63083  Lessingia glandulifera var. glandulifera R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  SD160999  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Wilson Valley Mitigation Bank. Comment
  UC892737  Lessingia glandulifera var. glandulifera I. W. Clokey and E. G. Anderson 1935-8-21 6951 Riverside w Keen Camp Post Office 1200 Comment
  UCR14010  Lessingia glandulifera var. glandulifera George K. Helmkamp 1973-10-3 s.n. Riverside San Jacinto Mtns., Strawberry Creek, near Idyllwild Comment
  RSA123492  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
  RSA356744  Lilaea scilloides Robert F. Thorne 1973-5-23 45518 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA3576137  Lilaea scilloides Robert F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR224368  Limonium duriusculum Justin M. Wood 2010-5-19 1843 Riverside Santa Ana Canyon, Santa Ana River, c. 1.4 mi downstream of Prado dam outlet, just northwest of Green River Housing Estate 131 Comment
  UC26802  Limosella acaulis H. M. Hall 1901-7 2494 Riverside Lake Surprise; San Jacinto Mountains, shores of Lake Surprise 2499 Comment
  CHSC1280  Linanthus dianthiflorus Sonia R. Westerberg 1938-4-20 Riverside Palm Springs. Comment
  POM13247  Linanthus dianthiflorus subsp. farinosus P. A. Munz, I. M. Johnston 1922-5-19 5361 Riverside 5 miles NE of Murietta. 457 Comment
  RSA778239  Linanthus jonesii Duncan S. Bell 2009-3-8 44 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR214286  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37487 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA752781  Linanthus liniflorus Scott D. White, Justin M. Wood 2009-5-21 12845 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CLARK-A1528-711  Linanthus maculatus Charlotte Stocks 1965-5-10 Riverside Whitewater Wash Comment
  LA206725  Linanthus pungens Elizabeth McClintock; 1936-7-27 sn Riverside San Jacinto Mountains, trail to Tahquitz Peak Comment
  RSA435721  Linum lewisii N. C. Cooper 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA0010980  Lithophragma affine Justin M. Wood 2009-5-11 680 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  RSA796334  Loeseliastrum matthewsii Duncan S. Bell 2009-4-18 200 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  JOTR31969  Loeseliastrum schottii La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2206 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  SD45174  Loeseliastrum schottii Helen K. Sharsmith 1952-4-8 4050 Riverside Western Lobe of Pinto Basin, Joshua Tree national Monument 609 Comment
  UC1714467  Loeseliastrum schottii E. E. Schellenger 1911-4-24 Riverside s. Palm Springs; Colorado Desert Comment
  UC218031  Loeseliastrum schottii P. A. Munz, D. Keck 1922-4-13 4936 Riverside Chuckwalla Valley, Desert Center Colorado Desert, Chuckwalla Valley, Desert Center 182 Comment
Read comments
Apr 5 2011
  UC68770  Loeseliastrum schottii H. M. Hall Apr., 1905 5929 Riverside Colorado Desert, McCoy Wash 91 Comment
  SEINET186304 Image available Logfia depressa Philip A. Munz 1940-1 15688 Riverside N end of Pinto Basin, Mohave Desert 610 Comment
  JOTR29498  Logfia filaginoides La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1312 Riverside Joshua Tree National Park. Little San Bernardino Mountains; south end of Long Canyon, near Park boundary 547 Comment
  SEINET3222884 Image available Lolium arundinaceum J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. Comment
  UCR54311  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  CLARK-A1528-4717  Lolium perenne subsp. multiflorum John C. Roos 1953-4-21 5915 Riverside March Air Force Base 457 Comment
  SEINET7042769  Lomatium W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  UCR138895  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-4-5 1659 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UC2029940  Lonicera subspicata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  UC455867  Lonicera subspicata var. denudata I. J. Condit 1910-6-24 Riverside San Jacinto Mt. 609 Comment
  UCR177333  Lotus argophyllus subsp. decorus Scott D. White, Michael Honer 2003-5-13 9248 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  RSA249868  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38155 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmore 1677 Comment
  RSA483573  Lotus crassifolius D. Charlton 1988-5-21 1970 Riverside Thomas Mountain Road, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74. 1829 Comment
  RSA90292  Lotus grandiflorus F. W. Peirson 1924-7-27 4981 Riverside Dark Canyon, San Jacinto Mountains 1707 Comment
  RSA722995  Lotus grandiflorus var. grandiflorus M. Wall 2007-7-6 434 Riverside San Jacinto Valley at sharp bend in Bautista Canyon Rd. 3.1 miles SE of jct. with Fairview Ave. 671 Comment
Read comments
Dec 22 2018
  UCR121677  Lotus hamatus Ian G. Gillespie, Abby Sirulnik 2000-5-7 35 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UC207658  Lotus heermannii F. M. Reed 1917-5-19 3874 Riverside vicinity Riverside; Colorado Desert, Palm Canyon Comment
  UCR117084  Lotus heermannii A. C. Sanders, T. B. Salvato 2001-5-16 24309 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR193410  Lotus heermannii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35574 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. 1585 Comment
  UCR241651  Lotus heermannii T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 325 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  POM13458  Lotus heermannii var. orbicularis P. A. Munz, I. M. Johnston 1922-5-19 5398 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  SEINET273067 Image available Lotus humistratus A. C. Sanders 1997-3-26 20125 Riverside Lake Skinner area;large clay patch adjacent to the Skinner entrance rd ca 1 km NE of Borel Rd UTM 10km cell: MH-9E 1N 473 Comment
  RSA788868  Lotus nevadensis var. davidsonii Gary D. Wallace 2003-7-8 4034 Riverside Hidden Lake. Comment
  POM2656  Lotus nevadensis var. nevadensis L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  RSA406176  Lotus nevadensis var. nevadensis N. C. Cooper 1944-7-16 1561 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA406419  Lotus oblongifolius var. oblongifolius N. C. Cooper 1944-7-16 1563 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  RSA406790  Lotus rigidus N. R. Zabriskie, Walter M. Zabriskie 1970-6-1 328 Riverside Andreas Canyon area, east slope San Jacinto Mts. 427 Comment
  UCR1421  Lotus rigidus Frank C. Vasek 1960-3-24 600324- 30 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  RSA92569  Lotus salsuginosus var. salsuginosus J. C. Roos, Lucille Roos, A. R. Roos 1952-5-19 5694 Riverside On hills north of Moreno. Comment
  RSA297754  Lotus scoparius var. brevialatus Barbara Ertter, J. Strachan 1979-6-26 2983 Riverside Hwy 243 near Idyllwild, San Jacinto Mtns Comment
  RSA660552  Lotus strigosus Lydia Paneri 1982-4-17 11 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UC1563077  Lotus strigosus Steve Boyd and Orlando Mistretta 1986-3-13 1471 Riverside ne of Desert Center (w side Palen Mountains); Palen Mountains Comment
  UC1979865  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 891 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  RSA498756  Lotus tomentellus H. de Forest 1937-3-15 418 Riverside South of Rice. Comment
  RSA554205  Lotus tomentellus Theo. Glenn 1991-5-2 91 -14 Riverside McCoy Mountians, NW of Blythe. (T4S, R20E, sec. 32). 350 Comment
  RSA560357  Lotus tomentellus Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6915 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  UC1713654  Lupinus H. M. Hall 1901-7 2498 Riverside Tamarack Valley; San Jacinto Mountains, Tamarack Valley Comment
  UC865543  Lupinus I. W. Clokey and B. C. Templeton 1930-4-9 4727 Riverside Moreno Grade Comment
  CHSC39252  Lupinus arizonicus M. O. Dillon; E. Rodriguez 1977-1-30 811 Riverside Ca. 21 mi E of Indio, and 0.5 mi N of Interstate Hwy 10. Near Joshua Tree National Park. Comment
  POM349959  Lupinus arizonicus M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA457787  Lupinus arizonicus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2201 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UC668381  Lupinus arizonicus Annie M. Alexander and Louise Kellogg 1941-5-14 2167 Riverside 5 1/2 mi s Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, Cottonwood Spring 502 Comment
  SEINET6180880  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6423 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe.; 0 290 Comment
  JEPS29311  Lupinus bicolor Rimo Bacigalupi and L. Heckard 1962-3-25 8406 Riverside 3.3 mi nw Alberhill (on w-facing hillslope near headwaters of Temescal Wash and Canyon, western base of Estelle Mountain and just opposite Indian Canyon (from w)); western base of Estelle Mountain, Temescal Wash and Cyn 335 Comment
  RSA591822  Lupinus bicolor E. W. Lathrop 1965-4-16 4450 Riverside 14 miles west of Murrieta. Comment
  RSA715937  Lupinus bicolor Scott D. White, Angelia Carey 2004-4-5 10025 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR251964  Lupinus bicolor Max Brodie 2014-4-20 28 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off South Main Divide Rd. roughly 3 miles south of Hwy 74 851 Comment
  SEINET7040159 Image available Lupinus bicolor subsp. marginatus A. G. Vestal 1962-4-8 Riverside North east of Lake Elsinore (Elsinore) on Rt. 74 at jct with Rt. 71. UTM Zone 11, 538094mE, 3714232mN. Comment
  POM12737  Lupinus bicolor subsp. microphyllus Philip A. Munz 1922-4-29 5079 Riverside [Sedco] Station, south of Elsinore. Comment
  RSA562496  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1992-5-5 7240 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SEINET10484876  Lupinus bicolor subsp. microphyllus Tilforth 1979-4-11 TILFORTH 1768 Riverside Open slopes with grasses, rhus trilobata, paeonia californica, xylococcus Bicolor. Murrieta-deluz road, ca 2 air miles s of murrieta, 305 Comment
  SBBG69034  Lupinus concinnus M. N. Ackley -Mar-1922 524 Riverside Murrieta Hot Springs 398 Comment
  UC488991  Lupinus concinnus C. V. Meyer June 1927 194 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1615 Comment
  POM158444  Lupinus concinnus subsp. optatus Philip A. Munz 1927-5-21 10857 Riverside San Carlos Pass, Ansa. 1372 Comment
  SEINET10485080  Lupinus concinnus subsp. optatus Charles R. Gunn 1963-5-29 Gunn 2630 Riverside Riverside co road r1, 1/2 mi above fulmore lake, san bernardino national forest , San jacinto mountains. White standard, blue keel and wings. Comment
  RSA413542  Lupinus densiflorus var. lacteus E. Crow 1929-4-21 8323 Riverside Near Lake Elsinore Comment
  JOTR34273  Lupinus excubitus var. austromontanus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3289 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA413571  Lupinus excubitus var. austromontanus N. C. Cooper 1944-6-17 1421 Riverside San Jacinto Mtns, Above Banning. 1067 Comment
  RSA502514  Lupinus excubitus var. hallii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3571 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR35349  Lupinus excubitus var. hallii L. B. Ziegler 1967-4-25 120 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  RSA708058  Lupinus hirsutissimus Scott D. White, Angelia Carey 2004-4-16 10194 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR4134  Lupinus hirsutissimus Ronald M. Cope 1965-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Canyon on E side of Canyon Crest Drive, c. 2.5 mi. from fire prevention lab. 259 Comment
  RSA114446  Lupinus latifolius subsp. parishii G. R. Campbell 1956-6-11 21613 Riverside Nursery Seedlings growing under Prop. No. 8412, from seed Fuller Mill Creek, 1.3 miles north of Black mountains. trail, hwy from Banning to Idyllwild. Comment
  RSA413759  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  OBI60546  Lupinus microcarpus var. densiflorus W. L. Jepson 1939-4-19 19211 Riverside 3 mi S of Aguanga 732 Comment
  UC129482  Lupinus shockleyi H. M. Hall Apr. 1905 5762 Riverside Palm Springs; Colorado Desert, Palm Springs 152 Comment
  JOTR34361  Lupinus sparsiflorus Andre, Jim 2012-4-16 20876 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  SDSU18359  Lupinus sparsiflorus C. Matt Guilliams, Jeannine Ross 2008-3-12 528 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 428 Comment
  UCR133960  Lupinus sparsiflorus Mitch Provance, J. S. Ross 1998-3-27 MOR- 980 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR16251  Lupinus sparsiflorus Steve Stadler 1966-4-12 41266- 56 .5 Riverside San Bernardino Mtns., Cherry Valley, in back of service station at corner of Cherry Valley Blvd. and Beaumont Ave. 823 Comment
  RSA775342  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5018 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  POM24047  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  RSA414270  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1944-3-24 1029 Riverside Banning. 701 Comment
  POM305375  Lupinus succulentus Henry J. Ramsey, Henry J. Ramsey 1938-3-28 643 Riverside Elsinore Comment
  SEINET10837784  Lupinus succulentus var. succulentus August J. Breitung 1953-4-19 Breitung 14768 Riverside In grain field 10 mi e of beaumont. Flowers purple, upper lip with white Blotch in center. Keel ciliate near claws both above and below. Comment
  CLARK-A1528-505  Lupinus truncatus C. M. Flanagan 1973-4-26 OO 308 Riverside Morongo Indian Reservation 1158 Comment
  RSA699814  Lupinus truncatus Scott D. White, Michael Honer 2003-4-4 8941 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR16262  Lupinus truncatus Kenneth Hibberd 1966-3-26 660326- 5 Riverside One half mi. south of Van Buren and 2 mi. east of Mockingbird Road, Riverside. 366 Comment
  UCR87979  Lupinus truncatus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  POM48592  Luzula comosa Mary F. Spencer 1919-7-19 1197 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR18527  Luzula comosa A. C. Sanders 1978-6-11 791 Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  POM13043  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4849 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 427 Comment
  RSA234113  Lycium andersonii Robert F. Thorne, R. Carolin 1967-3-21 41643 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA314463  Lycium andersonii Robert F. Thorne, F. R. Fosberg, Herbst 1983-4-23 55475 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR275142  Lycium brevipes David Fraker, Aaron C. Sedgwick 2012-4-5 074 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  POM80076  Lycium brevipes var. hassei Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CAS-BOT-BC231498  Lycium torreyi Roxana S. Ferris 1918-6-19 1013 Riverside Colorado River bottoms near Blythe Comment
  UCR194217  Lythrum californicum Scott D. White, Angelia Carey 2004-6-4 10459 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR14839  Lythrum hyssopifolia A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 425 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado, intersection of Avocado Mesa Rd. & Los Gatos Rd. 623 Comment
  RSA263740  Maianthemum racemosum subsp. amplexicaule E. W. Lathrop 1968-5-22 6909 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CAS-BOT-BC230891  Malacothamnus davidsonii John Thomas Howell 1952-10-24 28867 Riverside Pauba Ranch, about 8 miles east of Temecula Comment
  SBBG4653  Malacothamnus fasciculatus var. fasciculatus H. and M. Dearing 1937-11-28 2815 Riverside S side of Santa Rosa Mtn above Ribbonwood Comment
  UCR20727  Malacothrix clevelandii A. C. Sanders 1980-5-14 153 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  POM11908  Malacothrix coulteri P. A. Munz 1922-4-29 5108 Riverside Sedco Station, Temescal Canyon Comment
  CAS-BOT-BC347713  Malacothrix glabrata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC347714  Malacothrix glabrata Anne Constant 1955-3-27 148 Riverside Along Highway 111 between Banning and Palm Springs. Colorado Desert 365 Comment
  RSA688910  Malacothrix glabrata Scott D. White 2001-4-18 8353 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA775943  Malacothrix glabrata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 953 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UC63261  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  UC831116  Malacothrix glabrata C. L. Hitchcock 1940-4-4 5929 Riverside 1.5 mi ne Cottonwood Spring (along 29 Palms Road, Joshua Tree National Monument) Comment
  UCR213428  Malacothrix glabrata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37438 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
  RSA94960  Malacothrix stebbinsii F. W. Peirson 1921-3-22 2715 Riverside Murray Canyon, south side in canyon 457 Comment
  RSA755271  Malva parviflora Stephen Hill, Kate Kramer 2001-4-27 33476 Riverside Cabazon, Morongo Indian Reservation, at Hadley s Orchard Store, junction of Apache Trail and Seminole Drive, north of Route I-10, Apache Trail Exit, 4 miles E of Banning. 560 Comment
  UCR173147  Malva parviflora Abby Sirulnik 2000-5-4 26 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  RSA737094  Malvella leprosa Justin M. Wood 2008-11-5 219 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  SEINET272157 Image available Marah macrocarpa A. C. Sanders 1997-4-1 19755 Riverside Box Springs Mountains: E side of Pigeon Pass Valley about 0.5 mile Nw of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 580 Comment
  UC28935  Marah macrocarpa W. G. Wright 1892-1 Riverside Colorado Desert Comment
  UCR231777  Marah macrocarpa John F. Green 2008-4-23 08- 17 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR138635  Marah macrocarpa var. macrocarpa D. L. Banks, J. Moreno 1997-2-5 1261 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  CAS-BOT-BC218949  Marina parryi Ira L. Wiggins 1941-3-27 9672 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  SD46420  Marina parryi P. C. Everett, E. K. Balls 1956-5-2 21554 Riverside 4.0 miles north from turn-off Highway 60/70, west of Desert Center, on road to Eagle Mountain Pumping Station. 305 Comment
  RSA234066  Marsilea vestita R. F. Thorne, E. Lathrop 1969-5-19 37958 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  UCR85594  Marsilea vestita subsp. vestita Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1433 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  RSA614124  Matricaria matricarioides D. L. Banks 1997-2-23 1291 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UCR154842  Matricaria occidentalis A. C. Sanders, Kelly Volansky 2005-3-17 29242 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA543900  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  CLARK-A1528-4722  Melica californica John C. Roos 1950-4-22 4754 Riverside Box Springs Mountains 792 Comment
  JOTR34341  Melica frutescens Andre, Jim 2012-4-11 20684 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA543166  Melica frutescens Steve Boyd, Timothy S. Ross, M. Hammitt 1991-5-2 6096 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
  SBBG64311  Melica frutescens C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  UCD66805  Melica frutescens F. M. Reed 1926-5-15 5338 Riverside Riverside and vicinity, S of Menifee. Comment
  UCR214118  Melica frutescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37748 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 404 Comment
  CLARK-A1528-5177  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  RSA179494  Melica imperfecta E. W. Lathrop 1959-5-29 4592 Riverside 14 miles W of Murrieta; Tenaja Canyon in the Cleveland National forest Comment
  SD237270  Melica imperfecta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-4-2 37748 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd. 1.65 mi. ESE of Corona Lake, .5 mi, NE of Temescal Canyon Rd. where it goes under I-15. 404 Comment
  UCR121175  Melica imperfecta D. E. Bramlet 1990-4-27 1992 Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UCR183337  Melica imperfecta Mitch Provance 2003-4-26 9883 B 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
  UCR98258  Melica imperfecta Scott D. White 1997-2-28 4703 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  CDA4200  Melilotus indicus Bob Rose 1964-3-11 Riverside IKI Farms, Mecca Heights, ca. 2 miles north of the Salton Sea, Coachella Valley. 0 Comment
  RSA741218  Melilotus indicus Scott D. White, Justin M. Wood 2008-6-16 12112 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UC1329996  Menodora spinescens var. mohavensis James E. Cole 1941-4-10 517 Riverside near Twenty-nine Palms Fan boundary; Joshua Tree National Monument Comment
  UCR251994  Mentzelia A. C. Sanders, T. B. Salvato 2014-7-2 41158 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  CSUSB969  Mentzelia involucrata Leland R. Dykes 1962-4-1 10 Riverside White Water Canyon Road, 4.5 miles north of US 60 Comment
  JEPS42801  Mentzelia involucrata E. E. Schellenger 1920-4-1 Riverside Canyon near Coachella; Colorado Desert Comment
  RSA758329  Mentzelia involucrata Doug Goldman 2005-3-3 3035 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  POM126251  Mentzelia involucrata var. megalantha Thomas Craig 1927-4-2 25 Riverside Canyon near Hidden Springs. Comment
  RSA339677  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth 1980-5-28 54215 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA480016  Mentzelia involucrata var. megalantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2139 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SD3177  Mentzelia laevicaulis Fidella g. Woodcock 1928-4-27 Riverside San Jacinto Creek. Comment
  UCR158503  Mentzelia micrantha A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30022 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SBBG101787  Micropus californicus S. Boyd with Mistretta 1991-5-9 6179 Riverside lower flank along Bedford Truck Trail on ridge between Bedford and McBride Cyns Comment
  UCR67371  Microseris douglasii subsp. platycarpha Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4108 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  UCR97275  Microseris douglasii subsp. platycarpha D. E. Bramlet 1995-4-26 2398 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  RSA586873  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-3 0292 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
  UCR225609  Microseris lindleyi A. C. Sanders 2011-3-29 38835 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  RSA0106592  Microseris lindleyi D. L. Banks, S. D. Boyd 1995-5-9 0323 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  HSC85259  Mimulus aurantiacus var. pubescens Steve Boyd 1986-4-22 1749 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA523840  Mimulus aurantiacus var. pubescens G. H. True 1935-4-1 192 Riverside Among rocks, steep sides of canyon. 396 Comment
  RSA444468  Mimulus aurantiacus var. puniceus Roos 1966-4-29 s.n. Riverside Rocky hills between March Air Force Base and Lakeview. Comment
  RSA519222  Mimulus aurantiacus var. puniceus M. Lee Overholtzer 1961-3-29 136 Riverside South of Lake Elsinore on roadside of Ortaga Hiway overlooking the Lake. Comment
  RSA784741  Mimulus bigelovii Duncan S. Bell 2012-2-12 3086 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCSB54188  Mimulus bigelovii var. bigelovii McKinley, Gale 1985-3-26 Riverside 200 yards east of site #9; in Ryan campground; in Joshua Tree National Monument 1280 Comment
  POM98001  Mimulus bigelovii var. bigelovii E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  HSC85254  Mimulus brevipes Steve Boyd 1986-4-22 1737 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR108856  Mimulus brevipes Heidi A. Haid 1968-5-4 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA0054836  Mimulus brevipes Keith E. Hoffmaster 1937-6-6 763 Riverside Near Valle Vista, Hemet Valley. Comment
  SEINET10570310  Mimulus cardinalis David B. Dunn 1946-8-16 Dunn 2666 Riverside Collected at jolly springs ravine on trail up devil's slide. San jacinto mts. Dried yellow; was orange red. Comment
  POM229460  Mimulus diffusus P. A. Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  RSA296183  Mimulus floribundus Barry A. Prigge 1980-8-5 3821 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR26638  Mimulus fremontii var. fremontii E. W. Lathrop 1966-5-29 6375 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  LA26052  Mimulus guttatus Harlan Lewis; 1941-7-22 sn Riverside San Jacinto Mountains, Tahquitz Trail 1981 Comment
  RSA502520A  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SBBG47461  Mimulus guttatus N. C. Cooper 1944-6-17 1415 Riverside above Banning 1219 Comment
  UCR216241  Mimulus guttatus Oleg Pryadko 2008-5-2 052 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
  UCR60543  Mimulus guttatus subsp. guttatus K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 893 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  JEPS10766  Mimulus inodorus W. L. Jepson 1903-8-8 2300 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  UC26998  Mimulus microphyllus Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA296130  Mimulus pilosus Barry A. Prigge 1980-8-5 3849 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCR89771  Mimulus pilosus Scott D. White 1993-5-27 1420 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA583751  Minuartia douglasii Steve Boyd 1995-4-24 8480 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 its junction with the Dripping Springs Trail. 610 Comment
  SDSU8463  Mirabilis bigelovii var. retrorsa A. H. Gallup 1949-3-28 362 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert]. On dry slopes, east slope, Colorado Desert drainage area, San Jacinto Mt. Range 762 Comment
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Jan 30 2013
  UCR114837  Mirabilis californica Mitch Provance 1998-2-13 17 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  SEINET7048177  Mirabilis laevis Steven R. Hill 2001-5-3 33683 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
  SD1506  Mirabilis laevis var. crassifolia E. Jaeger 1925-12-12 Riverside Eagle Canyon, 4.5 miles east of Palm Sprins. Comment
  UC1463090  Mirabilis laevis var. crassifolia Arthur S. Barclay and Juan Arguelles 1965-3-16 1838 Riverside Along State Highway 76, 2 miles W of junction with U.S. Highway 395 Comment
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Jun 15 2013
  OBI29865  Mirabilis laevis var. villosa Melissa Luckow, Rhonda Riggins 1982-4-15 836 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  RSA777816  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 845 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
  CLARK-A1528-5739  Mohavea confertiflora John C. Roos 1949-3-5 4096 Riverside Orocopia Mountains Comment
  JOTR38682  Mohavea confertiflora Hodges, Stephen R. 2017-2-7 698 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UC130483  Monardella australis Mrs. C. M. Wilder 1909-7-10 2 Riverside Tahquitz Creek San Jacinto Mts. (above Walter's, on new government trail) Comment
  UCD125191  Monardella linoides L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mountains, above Deep Canyon, 22 miles south of Cathedral City, Colorado Desert. 1066 Comment
  RSA774118  Monardella linoides subsp. linoides Duncan S. Bell, Colleen Wheeler 2010-7-19 1629 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UC1995339  Monardella linoides subsp. linoides C. Epling Jun 1938 Riverside Pines to Palms Highway Comment
  RSA0099993  Monardella nana Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8575 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UCR221470  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 127 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, along rocky slopes of switchbacks 2439 Comment
  UCR221482  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 057 Riverside Peninsular Range; Santa Rosa Mtns., road to Santa Rosa Mtn., 0.5 mi. above Pines to Palms Highway 1479 Comment
  SEINET10582210  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 50 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  POM12850  Monardella nana subsp. tenuiflora P. A. Munz 1922-6-26 5833 Riverside Santa Rosa. 1738 Comment
  RSA282904  Monardella nana subsp. tenuiflora C. W. Tilforth 1980-7-15 2075 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  UC1499817  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside trail to Hidden Lake (about 1 mi beyond the cienega); San Jacinto Mts. Comment
  UC1499829  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 126 Riverside trail to Hidden Lake (below the point at which the switchbacks begin); San Jacinto Mts. Comment
  SEINET3101625 Image available Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert; Joshua Tree National Park, northeast end of Splitrock Picnic Area (Queen Mountain 7.5 Q.) 1327 Comment
  RSA0089561  Monolopia lanceolata Cindy Daverin 2015-3-11 s.n. Riverside Gavilan hills, El Sobrante Landfill mitigation property/Lake Mathews-Estelle Mountain Reserve, south of Lake Mathews and of Cajalco Rd., 1.3 km WNW (288 degrees) of Monument Peak. 443 Comment
  CAS-BOT-BC349802  Monoptilon bellioides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA717618  Monoptilon bellioides Scott D. White, Andrea Warniment Edwards 2006-3-22 11270 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UC1922392  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCD134633  Monoptilon bellioides P. C. Everett; E. K. Balls 1958-4-29 22959 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  UCSB31071  Monoptilon bellioides Nixon, Kevin 1977-3-6 Riverside 1 mile west of Interstate 10 on Calif. 195 365 Comment
  SEINET7063567  Mucronea perfoliata A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  UCR2777  Muhlenbergia asperifolia F. M. Reed 1933-9-20 8089 Riverside San Jacinto Mtns., Lake Hemet in Garner Valley Comment
  RSA0121176  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-30 9174 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  JOTR16783  Muhlenbergia porteri Leary, Pat 1975-6-7 1268 Riverside Joshua Tree National Park. QUEEN VALLEY, ONE MILE NORTHWEST OF OPTIMO 1341 Comment
  UCR100376  Muhlenbergia rigens A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21613 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  CSUSB410  Muilla maritima D. C. Wald 1967-5-17 Riverside Collected in Bernasconi Hills near Lakeview, on north-facing slope opposite Big Rock. 518 Comment
  RSA0117827  Muilla maritima Sarah J. J. De Groot, Grace Cho 2016-4-4 7771 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road at the northwest foot of Asbestos Mountain, near the head of Dutch Charlie Canyon. 1136 Comment
  RSA234096  Myosurus minimus subsp. apus Robert F. Thorne, Earl Lathrop 1969-5-12 37949 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 625 Comment
  RSA67109  Myosurus minimus subsp. apus F. W. Peirson 1922-4-29 2945 Riverside South of Lake Elsinore. 381 Comment
  SD181816  Myriopteris clevelandii Scott D. White, Teresa Salvato 2001-6-8 8590 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 334 Comment
  UC724319  Nama Aven and Ruth Nelson 1939-3-30 3348 Riverside Sandy desert hiway 60 from Mecca to Blythe; from Mecca to Blythe Comment
  UCR30093  Nama demissa George K. Helmkamp 1983-4-5 483- 40 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UC880818  Nama demissa var. demissa C. L. Hitchcock 1940-3-29 5866 Riverside ca 100 yeads e spring Cottonwood Canyon (Cottonwood Canyon); , e of Spring Comment
  POM73704  Nama demissa var. deserti Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA4889  Nama demissa var. deserti Carl B. Wolf 1932-4-27 3005 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  SD239780  Nama hispida var. spathulata David Silverman, Onkar Singh 2010-3-27 7856 Riverside McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & ca. 7.6 km N of Blythe Airport. 135 Comment
  UCR279386  Nama hispida var. spathulata A. C. Sanders, Jim Malusa 2017-3-24 42957 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA700860  Nassella cernua Michael Wall 1996-5-8 148 Riverside Van Buren Blvd west of March Air Force Base, 1.5 mi west of Fwy 215, north side of road south side of Salix-filled seasonal drainage. Comment
  RSA708170  Nasturtium officinale Scott D. White, Angelia Carey 2004-5-7 10316 Riverside Indian Creek and adjacent foothills. 549 Comment
  RSA388319  Navarretia atractyloides Steve Boyd 1986-5-7 1848 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA532574  Navarretia fossalis D. E. Bramlet, P. Gordon Reedy 1991-5-8 2126 Riverside 30m east of California Ave. and 75m north of the AT and SF railroad tracks. The population is NE of the intersection of California Ave. and Marvin Hull Road. Some 10-300m west of MWD Canal. 498 Comment
  RSA593894  Navarretia fossalis R. E. Riefner 1995-11-29 95 -406 Riverside Davis Rd. San Jacinto Wildlife Sanctuary, 0.4 miles S of Old San Jacinto River. Comment
  UCR25246  Navarretia fossalis John C. Roos 1952-5-28 5729 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  GMDRC5807  Nemacaulis denudata var. gracilis J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  UCR245658  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  UCR139244  Nemacladus longiflorus A. C. Sanders, Kate Kramer 2003-6-11 26883 Riverside San Jacinto Mtns., Garner Valley, southwest side of the valley, foot of Thomas Mtn., west of Hwy 74 on south side of Ramona Truck Trail 1402 Comment
  RSA339652  Nemacladus longiflorus var. breviflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54232 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  JEPS5412  Nemacladus longiflorus var. longiflorus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 A Riverside Temecula River; sw Riverside County Comment
  RSA642081  Nemacladus longiflorus var. longiflorus Orlando Mistretta, Mark Elvin 1995-6-19 1782 Riverside San Jacinto Mountains: Highway 74 and Pacific Crest Trail. 1493 Comment
  SEINET10461023  Nemacladus pinnatifidus Piehl 1963-6-2 PIEHL 63547 Riverside Along California Highway 74, 1.2 miles west of Mountain Center 1341 Comment
  JEPS5228  Nemacladus ramosissimus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 B Riverside San Jacinto River Comment
  RSA526492  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1990-5-11 4688 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
  UC1979625  Nemacladus ramosissimus D. L Banks, Steve Boyd 1995-5-17 0453 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. Comment
  UCR112315  Nemacladus ramosissimus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23443 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR15479  Nemacladus ramosissimus Robin L. Kobaly, G. K. Helmkamp 1978-5-2 s.n. Riverside San Jacinto Mtns, Bautista Canyon, 5 mi south of Valle Vista 823 Comment
  UCR280956  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 59 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA775293  Nemacladus rubescens Duncan S. Bell 2011-3-20 2064 Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  SEINET13681943  Nemacladus rubescens Tina Ayers, Randy Scott 2017-3-19 1921 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  UC668356  Nemacladus rubescens Annie M. Alexander and Louise Kellogg 1941-4-24 2085 Riverside gorge of Dry Morongo Creek (Morongo Valley); Morongo Valley 640 Comment
  POM68091  Nemacladus rubescens var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR243501  Nemacladus sigmoideus Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21071 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UCR279599  Nemacladus tenuis var. aliformis A. C. Sanders, Jim Malusa 2017-3-28 43138 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  POM305805  Nemophila menziesii Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1054 Riverside Corona-Elsinore. Comment
  UC495298  Nemophila menziesii Philip A. Munz 1932-3-24 12023 Riverside n Elsinore; n of Elsinore 304 Comment
  POM49023  Nemophila menziesii var. integrifolia P. A. Munz 1924-5-18 8141 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA586935  Nemophila menziesii var. integrifolia D. L. Banks, Peter L. Morrell 1995-5-4 301 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, N of the Woodchuck Trail. 610 Comment
  UCR35124  Nemophila menziesii var. integrifolia L. B. Ziegler 1968-5-1 280 Riverside San Jacinto Mtns., at Chimney Flats 1468 Comment
  UC68730  Nicotiana clevelandii H. M. Hall 1905-4-16 5802 Riverside 10 mi w Coachella (Marshall Canyon); Colorado Desert, Marshall Canyon 91 Comment
  JOTR34018  Nicotiana obtusifolia La Doux, Tasha, M. Harding 2010-4-7 2905 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
  RSA0108978  Nicotiana obtusifolia Duncan S. Bell, Amanda Bell 2012-1-28 3063 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UC218606  Notholaena californica Ivan Johnston 1917-4-4 Riverside Palm Canyon 304 Comment
  POM886  Notholaena californica subsp. californica I. M. Johnston 1918-4-27 1864 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  UC422970  Oenothera F. M. Reed 1903-10-2 264 Riverside 547 Chicago Ave. Riverside Comment
  UCSB12944  Oenothera cespitosa Dearing, Hugh; Dearing, Margaret 1938-3-5 Riverside Between Blythe and Desert Center Comment
  LA206154  Oenothera deltoides A. M. Johnson; 1932-3-20 3903 Riverside Indian Wells, below Palm Springs Comment
  RSA795946  Oenothera deltoides Duncan S. Bell 2009-4-19 272 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 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
  SEINET12193405  Oenothera deltoides W. L. Wagner, Mill, S. W. 1982-1 4558 Riverside 8.2 mi NW of I-10 at Desert Center along Hwy 177 Comment
  POM355583  Oenothera deltoides subsp. deltoides N. R. Zabriskie, W. M. Zabriskie 1973-3-19 574 Riverside Triangle formed S of Freeway (I-10), N of Ramon Rd., E of intersection with Bob Hope Dr., N of Palm Desert, Coachella Valley. (Site 19). 61 Comment
  RSA72276  Oenothera deltoides subsp. deltoides Robert L. Dressler 1949-3-19 418 Riverside 5 miles NE of Desert Center. 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
  RSA146109  Oenothera primiveris subsp. bufonis Peter H. Raven 1958-2-16 11624 Riverside 4.3 miles south of Rice. Comment
  UCR41251  Olea europaea N. M. Fellows, A. C. Sanders 1985-4-9 138 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR94247  Olea europaea Scott D. White 1996-4-14 3923 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
  RSA597074  Olea europaea D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1123 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  RSA80685  Oligomeris linifolia F. W. Peirson 1927-4-12 7161 Riverside Painted canyon, near Mecca. Comment
  UC219187  Oligomeris linifolia P. A. Munz and D. Keck 1922-4-8 4741 Riverside 1/2 mi e Indio; Colorado Desert -15 Comment
  UCR109569  Oligomeris linifolia R. D. Goeden, Don W. Ricker 1979-3-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  UCR148476  Oligomeris linifolia 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
  POM348470  Olneya tesota John Comstock 1942-5-31 645 Riverside Desert Center. Comment
  UCSB26259  Olneya tesota Haller, John 1960-4-2 Riverside North side of U.S. Highway 60-70, 3.1 miles east of Desert Center 243 Comment
  CHSC109269  Oncosiphon piluliferum Scott D. White; Justin Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  RSA792123  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  UC1929313  Oncosiphon piluliferum Scott D. White, Justin Wood 2008-5-1 11925 Riverside Perris Basin; I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR178139  Opuntia basilaris Tracy Tennant 1998-4-30 MOR- 069 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  SEINET10447233  Opuntia basilaris Billy Joe Cox 1976-1-7 Cox 4232 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  SEINET3412081  Opuntia polyacantha var. erinacea Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28526 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UCR60781  Orobanche cooperi Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1326 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  RSA82119  Orobanche cooperi subsp. cooperi F. W. Peirson 1930-3-29 8692 Riverside At foot of Painted Canyon, lower Coachella Valley. Comment
  JOTR34151  Orobanche fasciculata Harding, Mitzi, B. Regan 2011-5-25 35 Riverside Joshua Tree National Park. Little San Bernardino Mountains; approx. 2 mi west of Upper Covington backcountry board 1399 Comment
  RSA0087201  Orobanche fasciculata Darin L. Banks 1995-5-3 0276 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area. 512 Comment
  RSA801949  Orobanche fasciculata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6160 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  SD247471  Orobanche fasciculata Andy Sanders, J. Schweitzer, K. Young. 2015-3-24 41461 Riverside San Gorgonio Pass: San Gorgonio River wash, about 2.95 miles ESE of Cabazon, about 0.84 mile NNW (335 degrees) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm. 452 Comment
  UCR263229  Orobanche fasciculata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41461 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
  SEINET12766525  Orthocarpus bracteosus N. Duane Atwood, L. Stritch 1993-4-2 17901 A Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administrated lands.; 0 671 Comment
  CLARK-A1528-871  Orthocarpus densiflorus Charlotte Stocks 1962-5-14 Riverside Anza Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  CAS-BOT-BC355751  Osmadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  UC6604  Oxyria digyna H. M. Hall July, 1901 2415 Riverside near summit San Jacinto Mountains; San Jacinto Mountains, near summit 3276 Comment
  POM307255  Oxytheca emarginata Henry J. Ramsey 1937-5-22 2131 Riverside Santa Rosa Mountains Comment
  RSA679070  Oxytheca emarginata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1452 Riverside Northeast of South Ridge trailhead, east of Idyllwild. 2012 Comment
  POM19662  Oxytheca trilobata Mary F. Spencer 1923-7-1 s.n. Riverside Tahquitz Ridge, Idyllwild, San Jacinto Mts. 2287 Comment
  CAS-BOT-BC327939  Palafoxia arida J. Von Loh 1978-1-23 3307 A Riverside Palo Verde Mesa, 12 mi W of Blythe 121 Comment
  UCR148845  Palafoxia arida Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  POM363740  Palafoxia arida var. arida B. C. Templeton 1931-4-9 s.n. Riverside North of Palm Springs Comment
  RSA747724  Palafoxia arida var. arida Scott D. White, Justin M. Wood 2009-3-24 12577 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA779623  Palafoxia arida var. arida Duncan S. Bell 2010-4-1 655 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UCR95459  Panicum capillare D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1122 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn; S end of Los Caballos Road, approximately 20 m north of the gate to the University of California-Emerson Oaks Reserve, across the junction with the road to the local golf course, in a vineyard 427 Comment
  UCR2613  Panicum miliaceum F. M. Reed 1910-10-14 3112 Riverside Riverside: margin of cultivated orchard, Bundy Lot 305 Comment
  SD232582  Panicum urvilleanum A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16246 Riverside San Jacinto Mtns./San Gorgonio Pass: aluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. Ca. 1 mi. E of Snow Creek Rd. at the foot of the mountains. Comment
  UCR133169  Papaver californicum Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  OBI82174  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCD111487  Parietaria hespera var. californica A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24172 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 502 Comment
  UCR241413  Parkinsonia aculeata T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7439 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  HSC47471  Parkinsonia florida Richard Spjut 1978-5-10 5040 Riverside Colorado Desert: Chuckawalla Valley, ca. 1 mi. S of Desert Center 305 Comment
  LA31742  Parkinsonia florida Mary V. Hood; 1942-4-2 42- 12 k* Riverside S of Indio. Riverside and Imperial County line 0 Comment
  SFV7923  Parkinsonia florida T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1286 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCSB2978  Parkinsonia microphylla Leeuwen, Henry 1957-4-13 Riverside next to U.S. 60 near juncture with Cal. 195 Comment
  RSA471718  Pectis papposa Anstruther Davidson 1921-10-1 s.n. Riverside Palm Springs. Comment
  UCR260863  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41475 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  UCR171729  Pectocarya linearis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR181348  Pectocarya linearis Mitch Provance, Tracy Tennant 2003-4-5 6530 Riverside San Bernardino Valley, Fontana, Martin Tudor Park, north side of the Jurupa Mountains, west of Sierra Blvd 360 Comment
  UCR225507  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-3-29 38877 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR84835  Pectocarya linearis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16202 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  POM146227  Pectocarya penicillata F. M. Reed 1925-5-23 5031 Riverside Horsethief Canyon, Temescal Mountains. Comment
  RSA450446  Pectocarya penicillata J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  RSA740833  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-7-8 12393 Riverside Johnson Meadow. 1439 Comment
  RSA768409  Pectocarya platycarpa J. Andre, T. La Doux 2009-2-25 10815 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  SBBG81516  Pectocarya platycarpa S. A. Junak 1983-3-23 1627 A Riverside E side of Jefferson Rd opposite entrance to Cahuilla Lake County Park, S of Indio Comment
  UC882286  Pectocarya platycarpa I. W. Clokey 1935-4-17 6860 Riverside Colorado Desert, Cottonwood Springs Comment
  UCD120138  Pectocarya platycarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  UCR213267  Pectocarya platycarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37440 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
  UCR250198  Pectocarya recurvata A. C. Sanders 2014-4-23 41043 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  UC25025  Pectocarya setosa H. M. Hall 1899-5-1 1183 Riverside Nigger Jim Hill San Jacinto Mountians, Cahuilla Indian Reservation Comment
  RSA493825  Pedicularis densiflora Maureen Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 732 Comment
  RSA509566  Pedicularis densiflora John Adams 1966-4-30 s.n. Riverside 3 mi. above De Luz on dirt road. 915 Comment
  UCR194239  Pellaea andromedifolia Mitch Provance, Michael L. Fugate 2005-4-14 10053 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  RSA0051625  Pellaea mucronata Elliott Waite 1950-4-29 s.n. Riverside Cranston Ranger Station, San Bernardino National Forest. 609 Comment
  RSA604850  Pellaea mucronata var. mucronata Scott D. White 1995-3-30 2651 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr. 579 Comment
  SEINET10912408  Pellaea mucronata var. mucronata Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 693 Riverside San Bernardino National Forest, San Jacinto Ranger District. Lake Hemet fishing access, 1.2 miles west of route 74 on Forest Service road 6S15. T6S R3E S8, San Bernardino meridian. 1334 Comment
  UC1463882  Penstemon californicus Jeanine Derby 1976-8-10 Riverside Garner Valley San Jacinto Mts., Garner Valley 1371 Comment
  RSA297383  Penstemon centranthifolius Larry E. DeBuhr 1972-3-23 512 Riverside Santa Rosa Mts. San Bernardino National Forest. Along forest road 7S02 to Santa Rosa Mt.; loose granite soil. 1646 Comment
  UCSB13025  Penstemon centranthifolius Suter, Richard 1961-5-7 Riverside on the west side of the Idylwild-Banning road; 6.9 miles south of its turnoff from U.S. Highway 60, 70, 99; in the San Jacinto Mountains 1463 Comment
  JEPS15103  Penstemon clevelandii var. connatus A. E. Wieslander 1938-5-5 737 Riverside near Sugar Loaf Mountain; Thermal Quad. Comment
  SD134368  Penstemon clevelandii var. connatus Craig Reiser 1991-5-27 Riverside Palms to Pines Highway near Santa Rosa Peak turnoff Comment
  JEPS13632  Penstemon labrosus Peter Kamb 1948-7-11 1193 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  RSA102220  Penstemon labrosus Mary F. Spencer 1921-7-4 279 Riverside Idyllwild. Comment
  UCR245239  Penstemon pseudospectabilis Jim Andre 2012-3-19 21330 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  RSA0014853  Penstemon rostriflorus C. W. Tilforth, John Dourley 1970-9-2 305 Riverside Along road to Santa Rosa Mountain. Comment
  RSA748227  Penstemon spectabilis T. Scott, A. Townesmith, K. M. Meyer 2007-3-18 134 Riverside San Bernardino National Forest. 1.0 mile up Little Thomas Mountain Rd. (Forest Road 6S13) just S of Lake Hemet from Rt. 74. 1409 Comment
  SD229292  Penstemon spectabilis Dick Schwenkmeyer 2012-4-18 699 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  SD229293  Penstemon spectabilis Dick Schwenkmeyer 2012-4-17 690 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  RSA0070921  Pentagramma maxonii F. W. Peirson 1921-3-20 5357 Riverside Andreas Canyon, near Palm Springs. 243 Comment
  UC74891  Pentagramma maxonii Emma Miles Oct. 1888 Riverside San Jacinto Mts Comment
  SBBG14835  Pentagramma triangularis subsp. maxonii L. L. Kiefer 1963-3-24 472 Riverside Tahquitz Cyn above Tahquitz Falls 274 Comment
  UC63690  Perideridia parishii subsp. latifolia H. M. Hall 1897-8-16 851 Riverside San Jacinto Mt.; bogs and meadows 2499 Comment
  UCSB3817  Peritoma arborea Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy. 99, western edge of the Colorado Desert Comment
  JEPS34969  Perityle emoryi W. L. Jepson 1927-4-14 11703 Riverside se end Santa Rosa Mts. foothills (w side of Colorado Desert); Colorado Desert, Silent Canyon 304 Comment
  UCR104023  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-5 2662 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR255952  Perityle emoryi Deidre Conocchioli, Duncan S. Bell 2014-3-4 147 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
  RSA134874  Petalonyx thurberi L. S. Rose 1959-1-10 59008 Riverside La Quinta 15 Comment
  RSA698082  Petalonyx thurberi J. R. Bruff 1934-6-19 536 Riverside 5 mi. S.E Palm Springs. Comment
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Aug 27 2011
  RSA557345  Petunia parviflora Julie Greene 1993-5-12 1306 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  CAS-BOT-BC326837  Peucephyllum schottii Marcus E. Jones 1930-4-1 s.n. Riverside Shaver's Well Comment
  RSA0121245  Peucephyllum schottii Sherwin Carlquist 1958-10-12 628 Riverside Eagle Mt., pumping station. Comment
  UC69292  Peucephyllum schottii L. A. Greata April 1905 Riverside Coachella Comment
  UCR196348  Peucephyllum schottii Naomi Fraga, Lisa Rojas 2005-2-10 1375 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCSB37917  Peucephyllum schottii Roos, John 1966-2-5 Riverside Pushawalla Wash near 1000 Palms, Indio Hills Comment
  POM3797  Phacelia ambigua Louis Greata 1905-04 s.n. Riverside Coachella Colorado Desert. Comment
  RSA426009A  Phacelia ambigua H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert between Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  SEINET3005069  Phacelia ambigua G. Rink 2011-5-1 10507 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring. 505 Comment
  RSA602245  Phacelia brachyloba R. S. Woglum 1937-5-22 551 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  UCR35126  Phacelia brachyloba L. B. Ziegler 1974-5-20 526 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  POM343364  Phacelia campanularia F. R. Fosberg 1983-4-23 64172 Riverside Whitewater Bridge. Comment
  UCR103257  Phacelia campanularia B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3570 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCSB52572  Phacelia campanularia Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UC187882  Phacelia campanularia subsp. campanularia S. B. and W. F. Parish April 1882 216 Riverside Whitewater borders of the Colorado Desert Comment
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Feb 9 2008
  POM14360  Phacelia campanularia subsp. vasiformis P. A. Munz, D. D. Keck 1922-4-9 4766 Riverside Shavers Well, near Mecca. 76 Comment
  SEINET3158091  Phacelia circinata F. M. Reed 1908-7-11 2505 Riverside San Jacinto Mts., trail to summit above Round Valley. 2957 Comment
  UCR104033  Phacelia crenulata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2736 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR85081  Phacelia crenulata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16037 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  UC1087296  Phacelia crenulata var. ambigua P. C. Everett and E. K. Balls 1958-4-29 23011 Riverside US Hwy 60/70 6.5 mi e jct. with U.S. Hwy. 99 (Indio to Blythe) 243 Comment
  UC170163  Phacelia crenulata var. ambigua E. E. Schellenger 1894-12-4 94 Riverside Chuckawalla Bench Colorado Desert Comment
  UC572247  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6409 Riverside 3 mi n Palm Springs; San Jacinto Quadrangle 213 Comment
  JOTR35216  Phacelia crenulata var. crenulata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3640 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash (Stop 2) Comment
  UC1262269  Phacelia cryptantha E. W. Lathrop 1966-5-8 6441 Riverside 3 mi sw Corona; Cleveland Nat'l Forest, Tracuco Distict, Hagador Canyon 274 Comment
  UC64055  Phacelia curvipes H. M. Hall May 1899 1170 Riverside El Toro Peak San Jacinto Mountains 2133 Comment
  RSA426072  Phacelia distans E. A. McGregor 1966-3-21 s.n. Riverside Coachella Valley, San Diego County. [Riverside Co] Comment
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Mar 4 2009
  SD107798  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside Low rounded hills east of Norco. Comment
  UCR241647  Phacelia distans T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 365 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA192355  Phacelia grandiflora H. A. Zuill 1966-6-5 197 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UCR164936  Phacelia imbricata T. B. Salvato, John F. Green 2004-5-27 620 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
  RSA567471  Phacelia imbricata subsp. imbricata Scott D. White 1993-5-29 1463 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1372 Comment
  RSA519232  Phacelia minor Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA78473  Phacelia minor Verne Grant, Alva Grant 1952-3-19 17502 Riverside Near mouth of Whitewater Canyon. Comment
  SBBG55031  Phacelia minor D. Keil, M. McLeod 1979-3-18 12968 Riverside Alberhill Jct along St Hwy 71 365 Comment
  SD137730  Phacelia minor Darin L. Banks 1995-4-11 171 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area along the Dripping Spring Trail 950 Comment
  UC916698  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside on hwy 71 9 mi se Temecula Comment
  UCR137359  Phacelia ramosissima 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
  JOTR36459  Phacelia rotundifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3429 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  CHSC61260  Phalaris minor J. Lund 1980-4-2 Riverside Across the freeway from Valarie Jeans on Rd. W86 on north west side of Salton Sea. Comment
  POM49092  Phleum alpinum P. A. Munz 1924-7-27 8771 Riverside Deer Springs, San Jacinto Mountains 2470 Comment
  JOTR32530A  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  JOTR35431C  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA615066  Phoenix dactylifera A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. D. Stewart, Colin L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity., 33 deg 30.16 N, 115 deg 49.9 W -30 Comment
  RSA435581  Pholisma arenarium N. C. Cooper 1946-08 2640 Riverside Joshua Tree National Monument. 1280 Comment
  CLARK-A1656-703  Pholistoma membranaceum Theo Glenn 1979-2-11 Riverside San Jacinto Mountains Comment
  UC197348  Pholistoma membranaceum Samuel B. Parish Mar 1883 21 Riverside borders of the Colorado Desert Cabezon; Colorado Desert, Cabezon Comment
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Jul 15 2009
  UC63810  Pholistoma membranaceum H. M. Hall 1897-4-17 447 Riverside Banning Comment
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Mar 13 2011
  UCD120944  Pholistoma membranaceum Geoffrey Levin 1976-3-27 685 Riverside Riverside County; Chino Canyon, west of Palms Springs, Mt. Range: Alluvial fan of San Jacinto Mts., Drainage area: Salton Sea Basin 396 Comment
  UCR42516  Pholistoma membranaceum P. J. Leary 1975-2-25 944 Riverside SE Mojave Desert, Joshua Tree National Monument, 2.3 SE of Aqua Peak. Coxcomb Mtns 976 Comment
  UCD102027  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  CAS-BOT-BC135106  Phoradendron californicum R. F. Hoover 1966-10-15 10165 Riverside Dead Indian Canyon Comment
  OBI34667  Phoradendron californicum David J. Keil 1980-3-29 13744 Riverside Joshua Tree Natl Monument. 7 mi N of Cottonwood Springs turnoff Comment
  POM48145  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Indian Wells. Comment
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Mar 12 2011
  RSA0108815  Phoradendron californicum Duncan S. Bell, Amanda Turek 2009-3-30 189 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA15520  Phoradendron californicum L. S. Rose 1935-12-19 s.n. Riverside Palm Springs. 138 Comment
  RSA651773  Phoradendron californicum Darrell Garrett 1949-6-2 s.n. Riverside 6 miles west of Palm Springs. 114 Comment
  SBBG22932  Phoradendron californicum D. Myrick 1965-3-4 1083 Riverside Palms to Pines Hwy 74 914 Comment
  UCR139944  Phoradendron californicum L. C. Wheeler 1964-10-17 8641 Riverside Sonoran Desert, North side of Orocopia Mountains, south of Hayfield Reservoir 457 Comment
  RSA592672  Phoradendron densum Scott D. White, D. Haselfeld 1996-7-2 4264 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR22085  Phoradendron densum Steve Boyd 1980-5-3 184 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCSB39083  Phoradendron leucarpum subsp. tomentosum Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from highway 74 north of Palm Desert, San Jacinto Mountains 1100 Comment
  RSA420756  Phoradendron pauciflorum Albert J. Perkins 1915-9-6 s.n. Riverside San Jacinto Mt. Comment
  CAS-BOT-BC171149  Phoradendron serotinum subsp. tomentosum Scott D. White 1996-8-1 4444 Riverside San Jacinto Mtns. Idylwild Area: N of Strawberry Valley, between Bear Trap Cyn and Lily Creek 1615 Comment
  JOTR36413  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3360 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  SEINET4567399  Phoradendron villosum R. L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UC1073268  Phoradendron villosum George B. Rossbach 1955-4-22 230 Riverside slope between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  UC6088  Phoradendron villosum Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  CHSC1928  Physalis crassifolia V. Holt 1935-4-16 Riverside Colorado Desert. Comment
  POM50002  Physalis crassifolia E. C. Jaeger 1925-3-1 s.n. Riverside Box Springs Mtns. Comment
  RSA747836  Physalis crassifolia Scott D. White, Justin M. Wood 2009-4-28 12602 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR103322  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2653 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR117686  Physalis crassifolia V. W. Steinmann 1999-10-26 1414 Riverside Sonoran (Colorado) Desert, foothills of the Chuckwalla Mtns, open desert c. 2 km south of Desert Center. 325 Comment
  UCR74361  Physalis crassifolia Theo Glenn 1991-5-2 91- 20 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA228819  Pickeringia montana Colin M. Wainwright 1972-2-10 590 Riverside Cleveland National Forest. 7.5 miles South of Lake Elsinore along Forest route 7S04, T7S, R5W, S15 Comment
  SEINET3288971 Image available Pinus Loraine Yeatts, Dick Yeatts 2002-4-15 4768 Riverside Comment
  JEPS47964  Pinus contorta subsp. murrayana W. L. Jepson 1903-8-8 2307 Riverside Summit of Tauquitz Peak San Jacinto Mt., Summit of Tauquitz Peak 2682 Comment
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Jul 6 2010
  UC184  Pinus coulteri W. H. Brewer 1861-1-22 136 Riverside 75 mi se of Los Angeles (dry slopes of Santa Ana Range near Temescal); Temescal, Santa Ana Range Comment
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Jul 6 2010
  RSA78326  Pinus jeffreyi Philip A. Munz, E. K. Balls 1952-8-21 17979 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UC64555  Pinus lambertiana H. M. Hall 1902-4-16 2880 Riverside w side Tahquitz Pk.; San Jacinto Mountains 2560 Comment
  CDA541  Pinus monophylla L. D. Merrill 1999-8-27 s.n. Riverside Santa Rosa Mtns., Cactus Springs trailhead. 0 Comment
  SBBG99806  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside transition from desert to Joshua Tree Nat Monument 1219 Comment
  SD80146  Pinus monophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 379 Riverside Santa Rosa Mountains, north slope, Deep Canyon, about 2 miles south of Highway #74 1310 Comment
  UCSB38389  Pinus pinea S. Austin 1969-10-10 Riverside UNIV. CALIF. RIVERSIDE Comment
  CAS-BOT-BC79053  Pinus ponderosa H. E. McMinn 1926-7-2 1500 Riverside Tahquitz Peak Trail - San Jacinto Mts. Comment
  CAS-BOT-BC79089  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa, Santa Rosa Mountains 1676 Comment
  SEINET3874495 Image available Pinus quadrifolia R. M. Lanner 1970-12-17 2084 Riverside San Jacinto Mountains San Bernardino National Forest. Along Highway 74.; 0 Comment
  UCSB142  Pinus quadrifolia Haller, John 1960-5-15 Riverside 0.4 mi. W of Calif. 74 on road to Anza, near S end of Hemet Valley 1463 Comment
  UCSB149  Pinus quadrifolia Newby, Ron 1959-5-17 Riverside 12 miles N from Pinon Flats on Highway 74 growing along roadside; San Jacinto Mountains 1371 Comment
  RSA619552  Piperia cooperi Darin L. Banks 1997-5-5 2000 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR30553  Piperia cooperi John C. Roos 1950-5-6 4791 Riverside Santa Ana Mtns., Hagador Canyon 427 Comment
  UCR234254  Pistacia atlantica A. C. Sanders, T. B. Salvato 2012-4-27 40097 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, c. 500 m SE of El Hermano Rd. 325 Comment
  CDA2640  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert; Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. Comment
  UCR91740  Plagiobothrys arizonicus A. C. Sanders, J. Goetzen 1996-5-1 18139 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR241777  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-1 40723 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  CAS-BOT-BC523904  Plagiobothrys collinus A. C. Sanders 2012-4-12 40023 Riverside Peninsular Range; Santa Ana Mountains region: Temescal Canyon, along Temescal Canyon Rd., between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd 314 Comment
  UC218128  Plagiobothrys collinus P. A. Munz, and R. D. Harwood 1915-3 3378 Riverside 5 mi s Corona 304 Comment
  UCR140316  Plagiobothrys collinus A. C. Sanders, Guy Bruyea 2004-4-2 27410 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR172750  Plagiobothrys collinus Abby Sirulnik, Ian G. Gillespie 2000-5-14 42 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR234278  Plagiobothrys collinus A. C. Sanders 2012-4-12 40023 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  RSA522714  Plagiobothrys collinus var. californicus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3900 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SEINET3084168 Image available Plagiobothrys collinus var. californicus Richard Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off of de Portoloa Road. T7S, R1W, sec. 30. 610 Comment
  UCR182164  Plagiobothrys collinus var. californicus Mitch Provance 2003-4-5 6608 Riverside San Bernardino Valley, SW extreme of the Jurupa Mountains, Glen Avon, slopes N of the northern extreme of Campbell St 274 Comment
  UCR20732  Plagiobothrys collinus var. californicus A. C. Sanders, Steve Boyd 1980-5-2 1406 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR180146  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-26 9895 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR279569  Plagiobothrys jonesii A. C. Sanders, Jim Malusa 2017-3-29 43193 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA752563  Plagiobothrys leptocladus Justin M. Wood 2009-3-3 329 Riverside Between the cities of Murrieta and Temecula, near the confluence of Warm Springs Creek and Murrieta Creek in a large open flood control field. 341 Comment
  UCR211730  Plagiobothrys leptocladus Fred M. Roberts, D. E. Bramlet 2005-5-5 6180 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  UCR281124  Plagiobothrys leptocladus Mitch Provance, Jeremiah George 2017-3-23 317- 71 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  POM3833  Plagiobothrys nothofulvus H. M. Hall 1902-4-26 2980 Riverside Box Springs Mountain, vicinity of Riverside 701 Comment
  UCR162821  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  UCR266778  Plagiobothrys tenellus Mitch Provance, Matt Amalong 2015-3-25 315- 24 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR48174  Plagiobothrys undulatus R. F. Thorne 1973-5-23 45525 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR182523  Plantago elongata Mitch Provance 2005-5-17 6576 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
  POM184244  Plantago erecta P. A. Munz 1932-3-24 12021 Riverside North of Elsinore 305 Comment
  RSA781617  Plantago ovata Duncan S. Bell 2009-3-8 85 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  RSA784935  Plantago ovata Duncan S. Bell 2012-2-12 3103 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA793419  Plantago ovata Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3957 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  SEINET7048019  Plantago ovata Steven R. Hill, Kate Kramer 2001-4-27 33487 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  UC1595788  Plantago ovata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4626 Riverside 7.7 mi ne Mecca (on Box Canyon Rd) Comment
  SEINET9171744  Plantago ovata G. C. Wheeler, J. Wheeler 1968-4-12 s.n. Riverside Deep Canyon Desert Research Area. Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  UCSB32743  Plantago ovata var. fastigiata Cowan, Clark 1974-4-6 Riverside 1 mi. from Palm Desert Golf Course; .5 mi. on dirt road from maintenance shed; near dump area 91 Comment
  CHSC35504  Platystemon californicus Jeanne Muro 1972-4-29 72 Riverside Ca. 4 mi. SW of Murrieta on Tenaja Rd. 655 Comment
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Nov 16 2011
  RSA736312  Platystemon californicus Scott D. White, Justin M. Wood 2008-3-25 11782 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA739081  Platystemon californicus Keith E. Hoffmaster 1937-6-6 775 Riverside San Jacinto Mountains. Comment
  RSA770859  Platystemon californicus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4927 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UC146753  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UC167982  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 10 Riverside Wilders near Riverside; near Riverside Comment
  UC167983  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder 1905-5-12 9 Riverside Wilders near Riverside; near Riverside Comment
  UCR35346  Platystemon californicus L. B. Ziegler 1967-4-25 119 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  POM431207  Pleuraphis rigida J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe. Comment
  JOTR31906  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2154 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  RSA152502  Pleurocoronis pluriseta R. C. Bacigalupi 1953-4-20 4044 Riverside Close to head of Lost Palms Canyon, 3 miles N of Shavers Summit, Joshua Tree National Monument. 762 Comment
  RSA567198  Poa bigelovii F. M. Reed 1920-3-24 9187 Riverside Murray Canyon 213 Comment
  UC39596  Poa fendleriana subsp. longiligula W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1913 Riverside near summit Santa Rosa Peak 2590 Comment
  UCR169398  Poa pratensis T. B. Salvato, John F. Green 2004-5-27 608 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
  UCD90300  Poa secunda A. A. Beetle 1944-4-27 3006 Riverside West of Murietta. Comment
  UC336957  Poa secunda subsp. secunda unknown 1988-4-14 5462 Riverside Elsinore Comment
  RSA586488A  Poa secunda var. secunda D. L. Banks, Steve Boyd 1995-5-9 345 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
  UCR217566  Polygala cornuta var. fishiae Jeff B. Galvin 2008-6-3 50 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Just west of De Luz Creek, along Avocado Mesa Rd. 547 Comment
  CDA36447  Polygonum arenastrum Mulhesin 1999-2-17 PDR 849875 Riverside Southern California; Near Blythe. Schindler Bros. farms. 0 Comment
  UCR17333  Polygonum argyrocoleon O. F. Clarke 1978-10-20 s.n. Riverside Riverside; Rubidoux area, 0.5 mi. north of Santa Ana River, north side of Limonite, 0.3 mi west of Clay St. intersection Comment
  UCR229493  Polygonum argyrocoleon Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  UCR180059  Polygonum aviculare Mitch Provance 2005-5-18 9816 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR35080  Polygonum aviculare L. B. Ziegler 1967-8-29 210 Riverside San Jacinto Mtns., Pine Meadow area 1418 Comment
  POM19663  Polygonum bistortoides Mary F. Spencer 1923-8-18 2283 Riverside Round Valley. 2744 Comment
  UCR122569  Polygonum hydropiperoides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5985 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  POM10481  Polygonum lapathifolium F. M. Reed 1904-11-6 s.n. Riverside River bottom at Evans Ranch, Riverside Comment
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Jul 4 2010
  CLARK-A1528-4841  Polypogon monspeliensis John C. Roos 1952-4-23 5576 Riverside Box Springs Mountain 457 Comment
  UCR42327  Polypogon monspeliensis N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 172 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
  UCR3415  Populus fremontii H. M. Whistler 1964-5-3 640503- 01 Riverside San Bernardino Valley Region, city of Riverside, Santa Ana River bottom, 0.25 mi north of Buena Vista Ave. on Scout Lane 244 Comment
  CAS-BOT-BC6241  Populus fremontii subsp. fremontii Samuel Bonsal Parish 1913-2-28 8471 Riverside Salton Basin, Mecca flats -60 Comment
  POM360816  Populus trichocarpa Lester H. Cushman 1931-10 s.n. Riverside Near Pedley. Comment
  SBBG125897  Populus trichocarpa A. C. Sanders with R. E. Riefner Jr. 2009-8-11 37158 Riverside Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River, near old boy scout camp 238 Comment
  SD157478  Populus trichocarpa Bill Knerr Jan 1998 Riverside Old Hwy 395, 9 miles south of Hwy 76, flat area Comment
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Sep 7 2013
  UCR202324  Portulaca oleracea Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UC170162  Proboscidea althaeifolia E. E. Schellenger 1894-8-20 110 Riverside Paloverde Colorado Desert Comment
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Jan 23 2012
  UCR115127  Proboscidea louisianica Mitch Provance 2000-10-28 2282 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA0014807  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Mead Valley, 4.5 mi NW of Perris, along Cajalco Rd., 0.2 mi E of its intersection with Clark St. (Old Elsinore Rd.) Comment
  RSA799516  Prosopis glandulosa Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4779 Riverside East side of Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.25 air miles east southeast of Priests Well. 211 Comment
  RSA0031443  Prosopis glandulosa var. torreyana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4484 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
  RSA496123  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3000 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  JEPS65604  Prosopis pubescens Marjorie D. Clary 1936-9-27 Riverside Colorado Desert, Coachella Coachella; Colorado Desert, Coachella Comment
  RSA698011  Prosopis pubescens J. R. Bruff 1927-10-8 113 Riverside Thousand Palms. Comment
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Sep 10 2011
  LA208120  Prunus fasciculata N. Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  CAS-BOT-BC158288  Prunus fasciculata var. fasciculata Reid Moran 1941-5-4 839 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  CAS-BOT-BC158296  Prunus fasciculata var. fasciculata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 386 Riverside 10' south of Hwy 74 between [Sugar Loaf] Sugarloaf Cafe and entry gate to service road. Deep Canyon watershed, north slope Santa Rosa Mountains 1219 Comment
  RSA787088  Prunus ilicifolia Doris Bowers 1972-4-15 1817 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  POM230650  Prunus virginiana var. demissa I. W. Clokey, E. N. Anderson 1935-8-21 6673 Riverside West of Poppet Flat. 1200 Comment
  UC829349  Psathyrotes ramosissima Alice Eastwood 1913-4-30 3118 Riverside Palm Springs Comment
  RSA0065465  Psathyrotes ramosissima David B. Dunn 1947-7-12 2976 Riverside Pushawalla Canyon Indio Hills. Comment
  RSA559456  Pseudognaphalium biolettii Steve Boyd 1992-5-4 7211 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR121316  Pseudognaphalium biolettii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25002 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  CAS-BOT-BC356663  Pseudognaphalium californicum T. B. Salvato; John F. Green 2004-5-27 708 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-BC356664  Pseudognaphalium californicum Carl B. Wolf 1936-6-17 7952 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 365 Comment
  UCR280938  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 14 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  SD237349  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal. 500 Comment
  CLARK-A1528-518  Psoralea californica Charlotte Stocks 1962-6-10 Riverside San Jacinto Mountains Comment
  UCR178535  Psorothamnus arborescens var. simplicifolius R. G. Swinney 1967-5-26 141 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  CAS-BOT-BC340908  Psorothamnus schottii O. F. Sillig 1917-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  JEPS41645  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside North of Palm Springs, Colorado Desert 51 Comment
  JEPS41665  Psorothamnus schottii W. L. Jepson 1927-4-12 11683 Riverside Mecca, Painted Canyon Painted Canyon; Mecca, Painted Canyon 76 Comment
  UC555342  Psorothamnus schottii Herbert L. Mason 1928-3-10 4218 Riverside Hidden Springs Canyon , Hidden Springs Canyon (Coachella Mts.) Comment
  UC555343  Psorothamnus schottii Margaret Stason 1927-3-12 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UC667343  Psorothamnus schottii Annie M. Alexander and Louise Kellogg 1941-5-12 2161 Riverside road to Black Eagle Mine , road to Black Eagle Mine (Eagle Mountains) 777 Comment
  UCD108371  Psorothamnus schottii Marian L. Vincent; Richard H. Swade 1963-10-19 467 Riverside On California State Hwy. 74 ca. 6 miles south of Palm Desert. Comment
  UCSB3062  Psorothamnus schottii Leeuwen, Henry 1957-4-13 Riverside Next to Cal. Hwy. 195 about 3 miles west of U.S. 60 Comment
  POM47617  Psorothamnus spinosus M. French Gilman 1924-07 s.n. Riverside Near Palm Springs. Comment
  UCSB3063  Psorothamnus spinosus Haller, Norman 1953-5-24 Riverside 3 1/2 miles S of Palm Springs Indio Rd., on Palms to Pines Hwy. 74 152 Comment
  SBBG34287  Pteridium aquilinum var. pubescens M. Lewis 1947-8-26 18 Riverside San Jacinto Mtns 1981 Comment
  UC218673  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  UCR113133  Pterostegia drymarioides A. C. Sanders 1998-3-11 21679 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR85317  Pterostegia drymarioides A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16157 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  CAS-BOT-BC61823  Quercus agrifolia Samuel B. Parish 1891-11-4 2253 Riverside Murrieta Comment
  SBBG44664  Quercus cornelius-mulleri W. B. Holt 1941-10-21 10 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  RSA0067891  Quercus cornelius-mulleri Peter Rowlands 1970-5-17 T- 155 Riverside San Brdno. Nat. For., San Jacinto Wilderness Area, Pinon Flats Campground, 15 mi. E. of Idyllwild on Hwy. 74. 914 Comment
  RSA503821  Quercus cornelius-mulleri N. C. Cooper 1943-9-11 910 Riverside East side of San Jacinto Mt. Comment
  UCD45794  Quercus dumosa Steve Boyd 1987-11-23 2097 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  UCR149944  Quercus engelmannii Scott D. White 2004-10-8 10776 Riverside Peninsular Ranges, 'Black Hills,' southeast of Lake Skinner and north of Oak Mountain 640 Comment
  LA205331  Quercus john-tuckeri Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, Morongo Pass Comment
  RSA571664  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  RSA654804  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22293 Riverside San Jacinto Mtns: W side of Burnt Valley along Burnt Valley Road. 413 Comment
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Jul 27 2009
  UCR111532  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22278 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 2.7 mi. NW of Hwy 371 junction, 0.8 mi. NW of Devil's Ladder Rd. 1402 Comment
  RSA296120  Quercus wislizeni var. frutescens Barry A. Prigge 1980-8-11 3896 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  CAS-BOT-BC362516  Rafinesquia californica E. W. Lathrop 1966-5-15 6316 Riverside 3 miles SE of Murrieta on the De Luz road Comment
  RSA95070  Rafinesquia californica F. W. Peirson 1919-4-14 2763 Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCR174365  Rafinesquia californica A. C. Sanders 2006-5-19 32410 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
  POM311387  Rafinesquia neomexicana Wm. Jeffrey 1957-4-3 147 Riverside 1 mile N of Indio Beaumont Hwy on 29 Palms road 427 Comment
  POM6245  Rafinesquia neomexicana I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  RSA0069664  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 14 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  UCR254623  Rafinesquia neomexicana Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24401 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCSB9752  Rafinesquia neomexicana Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of U.S. 99, & 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  VVC2469  Rafinesquia neomexicana Tim Thomas 2013-3-18 5945 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  POM13799  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-4-30 5139 Riverside Tucalota Creek, south of Hemet Comment
  SDSU1243  Raphanus sativus D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  SEINET11261098  Raphanus sativus N. Duane Atwood 1993-3-29 17736 Riverside Huntington Beach along Beach Blvd. ca. 1/2 mi. N of beach.; 0 Comment
  UCR111770  Rhamnus crocea Mitch Provance 1998-3-17 224 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  LA207824  Rhamnus crocea subsp. ilicifolia W. E. Pequegnat; 1939-4-8 19 Riverside Santa Ana Mountains Comment
  RSA0104672  Rhamnus ilicifolia Duncan S. Bell 2015-9-30 8692 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA391106  Rhamnus ilicifolia A. M. Johnson 4133 Riverside Open sunny area, along road, east side of chaparral. Comment
  RSA20098  Rhamnus tomentella subsp. cuspidata I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. 1650 Comment
  UC18582  Rhamnus tomentella subsp. cuspidata H. M. Hall Jul 1897 Riverside San Jacinto Mountains 1828 Comment
  UCR12148  Rhododendron occidentale Art Whistler 1966-5-8 s.n. Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  UCR19136  Rhus aromatica John C. Roos 1948-5-15 3831 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  CLARK-A1528-5596  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  RSA125660  Rhus integrifolia R. Weatherby 1950-3-6 1059 Riverside Arlington Hills, near Lake Matthews. 335 Comment
  CLARK-A1528-120  Rhus trilobata var. pilosissima Fred B. Essig 1967-3-18 Riverside Riverside Comment
  POM10075  Rhus trilobata var. pilosissima Charlotte M. Wilder 1904-6-11 46 Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  RSA403704  Rhus trilobata var. pilosissima Ora M. Clark 1929-4-6 1951 Riverside South of Hemet. Comment
  IRVC9268  Rhus trilobata var. quinata B. T. Gittins 1966-5-1 1248 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  POM229047  Ribes cereum P. A. Munz 1937-5-30 15142 Riverside Rocky Crest, Santa Rosa Peak 2439 Comment
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Dec 18 2011
  SBBG104048  Ribes indecorum S. D. White 1992-3-29 92 -55 Riverside Millard cyn, slope below fork with E Millard Cyn Rd Comment
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Sep 8 2014
  UCR113594  Ribes indecorum A. C. Sanders 1998-1-15 21628 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  SJSU7833  Ribes malvaceum G. B. Youngberg 1956-3-31 241 Riverside Banning-Idyllwild Rd, Sna Jacinto Mts 1158 Comment
  RSA0022092  Ribes montigenum P. A. Munz 1922-7-7 6046 Riverside Summit of San Jacinto Peak. 3287 Comment
  SD29587  Ribes nevadense Darley F. Howe 1941-6-9 Riverside Strawberry Creek San Jacinto Mts Comment
  UC11633  Ribes nevadense H. M. Hall May 1899 Riverside Strawberry Valley San Jacinto Mountains Comment
  UCR90328  Ribes quercetorum Chet McGaugh 1993-3-10 s.n. Riverside Peninsular Range, S edge of Durasno Valley, c. 6 mi SW of Anza, N foot of Iron Spring Mtn, south of Tule Rd. and just west of Walker Rch Rd. 1402 Comment
  SD145977  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 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
  UCR50008  Rorippa palustris Maureen Hales Pendleton 1987-12-7 s.n. Riverside Peninsular Range, Old Vail Ranch, off Pala Rd., 1 mile south of Hwy 79 Comment
  UCR268297  Rosa californica Jim Andre 2012-6-15 30551 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR975  Rosa californica S. C. Anderson 1957-5-21 s.n. Riverside Riverside, Santa Ana River bottom, 0.5 mi. east of Humane Society, north of Jurupa Ave. [near Union Pacific RR bridge] 220 Comment
  UCR1486  Rubus ursinus R. L. Irwin 1962-4-21 0032 Riverside c. 0.2 mile west of Lake Evans, Riverside 244 Comment
  RSA343865  Rumex acetosella Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60657 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  RSA466097  Rumex hymenosepalus N. C. Cooper 1945-3-24 1613 Riverside Cabazon. 457 Comment
  CDA2894  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  SEINET13947224 Image available Salazaria mexicana J. C. Roos 1965-1 s.n. Riverside Dos Palmas Springs, Santa Rosa Mountains Comment
  UC1136469  Salicornia virginica A. Lewis 1934-5-19 453 Riverside Lakeview Elsinore Quad. 426 Comment
  RSA6466  Salix exigua H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA698840  Salix exigua J. R. Bruff 1927-10-8 1 -F-1 Riverside Thousand Palms. Comment
  UC498787  Salix exigua Mrs. H. P. Bracelin 1932-4-12 603 Riverside 4.8 km. n Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R.) 240 Comment
  UCR26182  Salix exigua John C. Roos 1947-2-15 3244 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  RSA0010966  Salix exigua var. exigua Mary F. Spencer 1918-4-7 812 Riverside Palm Springs. 168 Comment
  SBBG58934  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  CAS-BOT-BC108102  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CAS-BOT-BC108145  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek 377 Comment
  POM177828  Salix laevigata Marcus E. Jones 1930-3-2 s.n. Riverside Corona. Comment
  RSA659608  Salix laevigata J. C. Roos 1952-2-18 5351 Riverside At west end of Fairmount Park, Riverside. 259 Comment
  UCR159207  Salix laevigata A. C. Sanders, Kelly Volansky 2005-8-31 31563 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR17463  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-4-24 392 Riverside Santa Rosa Mtns, Deep Canyon, N slope of mountains 1317 Comment
  RSA741186  Salix lasiolepis Scott D. White, Justin M. Wood 2008-6-16 12120 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  SD229280  Salix lasiolepis Dick Schwenkmeyer 2012-6-27 741 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  CAS-BOT-BC129511  Salix melanopsis Geo. B. Grant 1906-5-1 s.n. Riverside Colorado Deserat at Palm Springs Comment
  CDA5807  Salpichroa origanifolia F. J. Willmarth 1964-6-15 Riverside Temecula Hotel, Temecula. 0 Comment
  UCR261417  Salsola paulsenii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41424 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
  UCR162395  Saltugilia australis S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  JOTR34205  Saltugilia latimeri La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2997 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  JOTR35470  Saltugilia splendens subsp. splendens Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 73 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats(stop5) 1493 Comment
  RSA791927  Salvia apiana A. C. Sanders 2012-4-12 40031 Riverside Peninsular Range; Santa Ana Mountains: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road. 314 Comment
  UC1080342  Salvia apiana E. K. Balls and P. C. Everett 1957-11-4 22748 Riverside Snow Creek San Jacinto Mts., Snow Creek (near old Fish Hatchery, n base of San Jacinto Mts) 701 Comment
  UCD125454  Salvia apiana B. Pitzer 1997-4-20 3194 Riverside Lakeview Mountains: Warren Road, ca. 1/2 miles (airline) northeast of Contour Road. Just past turnoff to the water tank. 518 Comment
  UC1537559  Salvia carduacea Gordon H. True Jr. 1935-3-1 63 Riverside Mockingbird Canyon 457 Comment
  JEPS62684  Salvia columbariae L. M. Newlon 1922-4-3 431 Riverside 6 mi w Indian Wells (sw Colorado Desert); Colorado Desert Comment
  RSA401493A  Salvia columbariae Ora M. Clark 1929-3-2 1600 Riverside Near Alberhill Comment
  RSA703400  Salvia columbariae LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1452 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG101785  Salvia columbariae S. Boyd, T. Ross, M. Hammitt 1991-5-2 6058 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371 600 Comment
  SDSU21842  Salvia columbariae Kalee Koeslag, Allen Schellerup 2016-4-16 5 Riverside Santa Margarita Ecological Reserve, in Stone Creek woodland old road off of Red Mountian Truck Trail 183 Comment
  UCR103189  Salvia columbariae Scott D. White, Julie Greene 1997-3-12 4784 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR165199  Salvia columbariae S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR216409  Salvia columbariae Michael L. O'Leary 2008-4-16 07 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  UCR251346  Salvia columbariae S. J. Myers 2014-5-21 1069 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR30092  Salvia columbariae George K. Helmkamp 1983-4-5 483- 27 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR35344  Salvia columbariae L. B. Ziegler 1967-2-20 107 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  SEINET7040183  Salvia columbariae A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  RSA45227  Salvia greatae J. C. Roos 1949-3-19 4101 Riverside Salt Creek Wash, about 7 miles northeast of Dos Palmos Spring. Comment
  SFV4249  Salvia greatae W. A. Emboden, Jr. May 1963 s. n. Riverside Colorado Desert Between Chocolate Mountains and Orocopia Mountains at base of outwash plains. 245 Comment
  UC129483  Salvia greatae H. M. Hall 1905-4-22 5848 Riverside near Dos Palmas, Colorado Desert, Riverside Co. Comment
  RSA0003962  Salvia greatae H. M. Hall, L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas Comment
  SD136810  Salvia mellifera Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6742 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Morgan Tril from Round Potrero west to junction with Tenaja Trail in north fork of Bear Creek. 671 Comment
  UCR277735  Salvia mellifera Mitch Provance 2012-1-26 112- 05 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat 695 Comment
  SEINET2065848 Image available Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mts., Canyon E of Fan Hill, just outside Joshua Tree Natl. Park 548 Comment
  RSA718575  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  CSUSB699  Sambucus mexicana Conrad Bahre 1970-5-2 Riverside 16 miles east of Riverside along highway 60 in the Bad lands 761 Comment
  UC729480  Sambucus mexicana Carl B. Wolf 1932-8-6 3991 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR241207  Sambucus mexicana Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 05 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  SEINET3083226 Image available Sambucus nigra subsp. canadensis Marc Mittleman 1982-5-25 Riverside Gentry Exp. Farm, Los Alamos Rd. Murietta 366 Comment
  RSA596535  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 549 Comment
  RSA612777  Sanicula arguta D. L. Banks, V. W. Steinmann 1997-3-13 1425 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA471127  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Pine Cove. San Jacinto Mtns. 1829 Comment
  LA202891  Sarcostemma hirtellum Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  SD114967  Satureja chandleri Earl W. Lathrop 1966-5-11 6287 Riverside 3.0 miles west of Murrieta on the De Luz Road. Comment
  UC56920  Saxifraga californica H. M. Hall 1902-4-26 2992 Riverside near Riverside (Box Springs Mountain); Box Springs Mountain Comment
  CSUSB57  Schinus molle Peggy Merritt 1972-5-5 Riverside Lot on NE corner of Park and 7th streets. Dry waste place. Comment
  SD224815  Schinus molle Scott D. White 1996-2-18 3810 Riverside Double Butte, NW of Winchester. SE-facing slope of W butte and alluvial soil at base. USGS 7.5 Winchester topo. 456 Comment
  RSA703367  Schismus arabicus LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1444 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33?37'32N, 115?19'35W: UTM 3721895N, 655238E to 33?36'52N, 115?19'54: UTM 3720669N, 654757E. 480 Comment
  UCR165815  Schismus arabicus John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR20770  Schismus arabicus A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1291 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
  CLARK-A1656-759  Schismus barbatus Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  UCD93275  Schismus barbatus Elizabeth Wilson 1940-4-2 s.n. Riverside Riverside Counrty: Palm Springs. Comment
  SEINET10658860  Schismus barbatus Charles L. Hitchcock, C. V. Muhlick 1964-3-17 Hitchcock 23093 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  POM78931  Schoenoplectus acutus var. occidentalis I. M. Johnston 1925-7-7 5283 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  UCSB56476  Schoenoplectus acutus var. occidentalis Thorne, Robert; Tilforth, C.; DeBuhr, L. 1975-8-29 Riverside Santa Rosa Plateau: just SE of Tenaja Guard Station; off Tenaja Truck Trail 609 Comment
  CAS-BOT-BC111576  Schoenoplectus americanus John Thomas Howell 1928-1-28 3286 Riverside Along stream, Thousand Palms, Colorado Desert. Comment
  POM157930  Schoenoplectus americanus Phillip A. Munz 1927-5-21 10840 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA544407  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross 1991-6-14 6375 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UC841173  Scirpus acutus var. occidentalis Crawford and Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona (along stream); Santa Ana River near Corona Comment
  UCR94965  Scirpus microcarpus Scott D. White 1996-8-15 4461 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  RSA425202  Scrophularia californica subsp. floribunda Ora M. Clark 1929-4-6 1936 Riverside Riverside. Comment
  LA55076  Scutellaria mexicana A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  RSA571287  Scutellaria tuberosa Steve Boyd, D. L. Banks 1994-4-5 8267 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. 762 Comment
  UCR101100  Scutellaria tuberosa G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  IRVC3585  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-5-28 SJ 41 Riverside Mountain Center to Hemet Hwy. Peninsular Ranges, San Jacinto Mountains 884 Comment
  POM12525  Selaginella bigelovii Philip A. Munz, D. Keck 1922-4-14 5007 Riverside East of White Water Ranch 244 Comment
  RSA543200  Selaginella bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6100 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga 600 Comment
  UCR275953  Selaginella bigelovii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3794 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  LA209669  Selaginella eremophila Lawrence L. Kiefer; 1964-3-1 1255 Riverside San Jacinto Mountains, Palm Canyon, above the parking lot 457 Comment
  CAS-BOT-BC363484  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside Hills about 5 miles n.e. of Aguanga Comment
  HSC85281  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  RSA606383  Senecio californicus Jon E. Keeley 1994-4-7 25286 Riverside Shipley Reserve, Study Site Sh l. S. of Hemet, S end of Rawson Rd. 665 Comment
  SD122990  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa Rosa Plateau Region; 1.7 mile east of gate to The Nature Conservency Preserve. Comment
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May 12 2012
  UCSB7410  Senecio flaccidus var. douglasii Ferris, R.; Bacigalupi, Rimo 1953-4-20 Riverside Road to Las Palms Canyon, ca. 4 miles N. of Shaver Summit Comment
  JEPS23577  Senecio mohavensis Peter H. Raven 1958-3-15 11851 Riverside Box Canyon Comment
  SBBG8769  Senecio mohavensis H. and M. Dearing 1942-3-12 4831 Riverside Palms to Pines Hwy 426 Comment
  UCSB12346  Senecio mohavensis Dearing, Hugh; Dearing, Margaret 1942-3-10 Riverside Dos Palmas Canyon, nr. Palms to Pines Highway Comment
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Nov 19 2011
  PASA949  Senecio monoensis Frank W. Peirson 1928-4-23 Riverside 2 1/2 miles below Cottonwood Spring Comment
  CAS-BOT-BC364258