Search Results — 2000 specimen records retrieved (1891 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD134183  Abies concolor Frank C. Vasek; K. Neisses 1979-7-26 790726 -9 Riverside Santa Rosa Mountains; Stump Spring Campground. Comment
  CAS-BOT-BC229335  Abronia villosa Lewis S. Rose 1966-12-11 66098 Riverside Palm Springs 152 Comment
  CAS-BOT-BC229368  Abronia villosa J. Von Loh 1978-1-23 3296 Riverside Palo Verde Mesa, 12 mi SW. of Blythe 121 Comment
  CSUSB580  Abronia villosa Steve Stadler 1966-2-27 022766 19 Riverside East of Indio; 20 yards off Indio-Desert Center Road; 100 yards east of the road's intersection with the Coachella Canal. Comment
  RSA155551  Abronia villosa L. S. Rose 1962-3-2 62010 Riverside La Quinta 3 Comment
  POM310385  Abronia villosa var. aurita Margaret Hardinge 1946-4-15 247 Riverside Just east of Banning along hwy. Drainage area: Salton Sea. 701 Comment
  RSA461192  Abronia villosa var. aurita Ora M. Clark 1929-2-22 1576 Riverside E. of Whitewater Comment
  RSA69958  Abronia villosa var. aurita F. W. Peirson 1922-4-21 3340 Riverside Hemet Valley 1357 Comment
  SD187438  Abronia villosa var. aurita R. E. Riefner Jr. 2007-5-19 07 210 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 miles west of I-15 Fwy. and 1.0 mile west of Murrieta Creek 298 Comment
  UCR130712  Abronia villosa var. aurita George K. Helmkamp, E. A. Helmkamp 1998-6-27 4078 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR2872  Abronia villosa var. aurita N. J. Matthews 1963-5-9 50963- 4 Riverside San Jacinto River Valley, Valle Vista, 45366 Highway 74, east of Hemet 549 Comment
  CAS-BOT-BC489834  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot; Lisa Rojas; Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert: Northeastern Colorado Desert region, along Palen Rd near Hwy 177 170 Comment
  RSA0094791  Abronia villosa var. villosa Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7934 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  UCR6390  Abutilon theophrasti O. F. Clarke 1967-6-9 s.n. Riverside Riverside, O.F. Clarke residence at 1012 Spruce Street 366 Comment
  OBI25755  Acacia greggii David J. Keil 1980-6-20 14063 Riverside Box Cyn rd exit from I-10 Comment
  UC891013  Achillea millefolium P. A. Munz 1922-6-24 5794 Riverside on wet banks of Pepe Creek Hemet Valley; San Jacinto Mts 1463 Comment
Read comments
Mar 25 2011
  CAS-BOT-BC210592  Achnatherum coronatum H. M. Hall 1899-5-27 1167 Riverside San Jacinto Mountains. El Toro Mt., Coyote Canon [Canyon] 1584 Comment
  CAS-BOT-BC218713  Achnatherum coronatum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23100 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  RSA771661  Achnatherum coronatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4909 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
  RSA651613  Achnatherum hymenoides D. L. Heald 1966-5-16 53 Riverside Off the road behind Webber Hall at UCR in Riverside. 304 Comment
  CAS-BOT-BC210882  Achnatherum parishii subsp. depauperatum Edmund C. Jaeger 1922-6-18 s.n. Riverside Caramba Camp, Tacquitz [Tahquitz] Creek, San Jacinto Mts. Comment
  POM96839  Achnatherum speciosum F. M. Reed 1926-5-8 5326 Riverside Rocky hill near [Good Hope] Mine. Comment
Read comments
May 1 2011
  CDA23995  Achyronychia cooperi G. D. Barbe 1978-5-2 2371 Riverside Twenty-nine Palms/Mecca exit from eastbound I-10, Cottonwood Springs Road, east of Indio. 0 Comment
  RSA516891  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 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
  UCR265815  Acmispon americanus var. americanus Mitch Provance 2012-5-24 512- 05 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  SD224961  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3069 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. 395 Comment
  SBBG3389  Acmispon argophyllus var. argophyllus H. and M. Dearing 1942-3-17 4835 Riverside Dos Palmas Cyn near Palms to Pines Hwy Comment
  JOTR34089  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  SD136846  Acmispon micranthus Steve Boyd, Orlando Mistretta 1992-4-22 7015 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon & Nickel Canyon, on burn (1989 fire) 609 Comment
  SBBG3458  Acmispon rigidus H. and M. Dearing 1936-12-26 921 Riverside Palms to Pines Hwy Comment
  UCD104282  Acmispon rigidus L. S. Rose 1935-12-23 s.n. Riverside Above Deep Canyon, San Jacinto Mts., 22 mi. so. Of Cathedral City, Colorado Desert. 1066 Comment
  JOTR35323  Acmispon strigosus Harding, Mitzi, Mark Wheeler 2012-2-28 91 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  OBI18908  Acmispon strigosus David J. Keil, Malcolm McLeod 1979-3-18 12969 Riverside Alberthill jctn alond Hwy 71 366 Comment
  SBBG35006  Acmispon strigosus T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  SJSU10339  Acmispon strigosus R. C. McGehee 1970-4-15 203 Riverside Wileys Well, Wileys Well Rd, 20 mi SW of Blythe via Hwy 60 Comment
  RSA131709  Acourtia microcephala E. K. Balls 1958-6-27 23297 Riverside Indian Truck Trail, by locked gate, 6.9 mi. nw. from jct. with Main Divide, Santa Ana Mts. 457 Comment
  UCSB38385  Acourtia microcephala Elliott, Chuck 1964-5-13 Riverside 1/4 mile past Two Trees Road and Belvedere, Riverside 365 Comment
  UCR272482  Acroptilon repens Mitch Provance 2013-6-18 613- 28 Riverside San Bernardino Valley, Riverside, S corner of North Main St. and Dublin Way. 247 Comment
  JOTR32125  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  JOTR32433  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  CAS-BOT-BC133137  Adenostoma fasciculatum Cecil Hart 1922-5-21 18 Riverside San Jacinto Pk. Comment
  RSA770701  Adenostoma fasciculatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4805 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA102323  Adenostoma sparsifolium S. B. Parish, William F. Parish 1881-07 552 Riverside San Jacinto Mountains. Comment
  SEINET3077277 Image available Adenostoma sparsifolium H. S. Gentry 1954-7-25 14250 Riverside Dripping Springs along Rte 79. Comment
  UC859042  Adenostoma sparsifolium I. W. Clokey and E. G. Anderson 1935-8-21 6674 Riverside w. Keen Camp P.O. 1200 Comment
  UCSB2738  Adenostoma sparsifolium Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts, 1524 Comment
  SBBG34258  Adiantum aleuticum M. Lewis 1947-8-26 22 Riverside Dark Cyn 1981 Comment
  RSA70608  Agave deserti subsp. deserti Frank W. Peirson 1921-4-13 2290 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 335 Comment
  RSA221017  Agoseris grandiflora var. grandiflora E. W. Lathrop 1966-5-26 6345 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR24960  Agrostis scabra A. C. Sanders 1980-8-23 1753 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR2131  Agrostis viridis F. M. Reed 1903-6-5 171 Riverside South Coast; San Bernardino Valley, Riverside, wet ground at outlet of lake in Fairmont Park 238 Comment
  UCR57207  Agrostis viridis Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  UCR93233  Ailanthus altissima A. C. Sanders 1994-7-27 15157 Riverside Santa Ana River, Colton and Riverside: from the Riverside Avenue (North Main Street) Bridge downstream to just above the Market Street crossing. 246 Comment
  UCR102740  Allionia incarnata B. G. Pitzer 1998-2-1 3437 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR148041  Allionia incarnata Steve Boyd, Et al. 2004-5-14 11227 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR180305  Allionia incarnata Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11264 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR21298  Allium burlewii A. C. Sanders, K. Berg 1980-5-1 1347 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  SD127567  Allium fimbriatum var. munzii Steve Boyd 1986-4-22 1781 Riverside Grassy area on clayey soil over cobble, shallow north-facing draw, just west of third powerline tower, north of summit. 840 Comment
  SEINET3884492  Allium fimbriatum var. parryi D. W. McNeal 1981-5-20 2545 Riverside In open flats beside Morris Ranch Rd., 2.2 mi. e. of Hwy. #74 at Kenworthy R.S., San Bernadino Nat. For.; 0 Comment
  UCR1627  Allium haematochiton Leland R. Dykes 1962-5-8 96 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 7 mi west of Palomar Road [=Washington Ave.] in Murrieta Comment
  UCR281231  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 54 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  UCR79484  Allium lacunosum Steve Boyd, T. S. Ross 1992-5-15 7386 Riverside Southern Santa Ana Mtns., Southeastern flank of Elsinore Peak at 'Onion Hill,' a grassy knoll of clay soil c. 0.25 mi SE of radio towers, along old Main Divide Road track. 1021 Comment
  SBBG92808  Allium munzii S. Boyd 1986-4-22 1778 Riverside E edge of plateau remnant of ridge, E of Estelle Mtn, Gavilan Hills, S of Dawson Cyn; T4S R5W E1/2 SW 1/4 S33 670 Comment
  UCR144117  Allium munzii Scott D. White, Kurt Cambell, John Resek 2000-4-26 7736 Riverside Santa Ana Mtns, Lake Elsinore area, low hill west of intermittent channel (drains Walker Canyon). SW of Collier Ave. and NW of Riverside Dr. 412 Comment
  RSA0006686  Allium munzii Steve Boyd 1986-4-20 1725 Riverside Gavilan Plateau, Gavilan Hills: clay soil on hillside south of Harford Springs County Park. 616 Comment
  RSA753543  Allium peninsulare Michael Wall 2009-6-6 519 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 1.0 miles SE of jct. with Fairview Ave. on slopes at sharp turn in the road 630 Comment
  UCR101432  Allium peninsulare A. C. Sanders 1997-4-10 20334 Riverside Tucalota Hills, east of Lake Skinner 701 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
  UCR243180  Allophyllum glutinosum A. C. Sanders 2013-7-6 40840 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  POM123325  Alnus rhombifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM259508  Amaranthus blitoides E. C. Jaeger 1939-12-26 s.n. Riverside Asio Canon [made-up name], 4 mi. north of Indio 122 Comment
Read comments
Nov 5 2011
  UCR263225  Amaranthus blitoides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41467 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
  CAS-BOT-BC61398  Amauriopsis dissecta Philip A. Munz 1938-8-14 15364 Riverside East of Toro Peak, Santa Rosa Mts. 2438 Comment
  UCR115128  Ambrosia acanthicarpa Mitch Provance 2000-10-28 2281 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  SFV17216  Ambrosia dumosa J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UCSB10231  Ambrosia dumosa Gunnerson, R. 1963-3-20 Riverside Whitewater Canyon, Colorado Desert Comment
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Mar 27 2014
  HSC25927  Ambrosia ilicifolia Richard Spjut 1972-1-20 2126 Riverside Colorado Desert; washes leading from the N base of the Chuckawalls Mts. 305 Comment
  RSA450767  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  RSA4944  Ambrosia ilicifolia C. B. Wolf 1932-4-27 3053 Riverside At n base of Chuckwalla Mts. 5 mi. east of Desert Center, Colorado Desert. 152 Comment
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Sep 24 2011
  UCSB39058  Ambrosia ilicifolia Jorgensen, Jan 1982-3-22 Riverside Corn Spring Oasis, Chuckwalla Mountains 600 Comment
  CAS-BOT-BC55618  Ambrosia psilostachya H. M. Hall 1901-8-1 s.n. Riverside Vicinity of Riverside 304 Comment
  UCR121890  Ambrosia psilostachya Ian G. Gillespie 2001-5-7 77 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
  UCR167870  Ambrosia pumila T. B. Salvato, Melissa Clemons 2005-6-2 1401 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  JEPS70886  Ambrosia salsola L. R. Heckard 1973-4-24 3319 Riverside about 2 mi nw Chiriaco Summit (s base of mts.); Eagle Mts. 545 Comment
  UC1923764  Ambrosia salsola John L. Strother 2008-3-10 1370 Riverside ca. 18 km (11 miles) W of Chiriaco Summit, along N frontage of I-10 420 Comment
  UC718798  Ambrosia salsola L. R. Abrams 1941-4-24 13935 Riverside near Cabazon; San Gorgonio Pass Comment
  UCD128883  Ambrosia salsola William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SEINET10875649  Ambrosia salsola David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-14 Dunn 3726 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UC1046273 Image available Ammoselinum giganteum P. A. Munz and D. Keck 1922-4-13 4930 Riverside Chuckawalla Valley; ; Chuckawalla Valley, Colorado Desert 152 Comment
  CAS-BOT-BC180627  Amorpha californica var. californica Mrs. A. R. Seitz 1915-7-16 s.n. Riverside Banning Canyon Comment
  RSA702051  Amorpha fruticosa Scott D. White, Angelia Carey 2004-9-16 10765 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  SD212521  Amsinckia intermedia A. C. Sanders 2006-5-11 32262 Riverside Warm Springs Valley, North edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Avenue and Riverside Drive, Northeast of Alberhill Creek, Northwest of Enterprise way 388 Comment
  UCR155313  Amsinckia intermedia A. C. Sanders 2005-5-4 29845 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR90984  Amsinckia intermedia Scott D. White 1996-3-31 3860 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA499898  Amsinckia menziesii var. menziesii Jeannette B. Edge 1934-3-18 s.n. Riverside [San] Timoteo Canyon. 518 Comment
  UCR100044  Amsinckia menziesii var. menziesii Scott D. White 1993-3-3 1092 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA760320  Anagallis arvensis Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55220 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UCR174111  Anagallis arvensis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32515 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  RSA585816  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-9 351 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  HSC85464  Ancistrocarphus filagineus Steve Boyd 1986-4-2 1588 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR237626  Anemone tuberosa Duncan S. Bell 2010-3-20 610 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  CDA37845  Anemopsis californica Mike Lahti 2012-7-18 PDR# 1590492 Riverside Winchester; near the intersection of Washington St. and Keller Rd. 0 Comment
  CSUSB803  Anemopsis californica Art Whistler 1966-5-18 Riverside Road to reservoir on hills behind the University of California, Riverside (UCR) campus near the water tanks. Comment
  UCD137886  Anemopsis californica R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  POM13084  Antennaria rosea E. C. Jaeger 1921-6-22 s.n. Riverside Long Valley. San Jacinto Mts. 2439 Comment
  SD262180  Anthemis cotula T. B. Salvato, Gregg Miller 2005-6-3 1371 Riverside Peninsular Range; Perris - Aguanga Basin Region: San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon. 427 Comment
  SJSU11491  Antirrhinum coulterianum J. W. Tofflemire 1957-4-19 Riverside Sobobo Indian Reservation by community of San Jacinto 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
  UCR71982  Antirrhinum coulterianum Steve Morgan, H. M. Soldan 1992-5-25 92 5 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  UCR281206  Antirrhinum kelloggii Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 29 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  CLARK-A1528-1418  Apiastrum angustifolium John C. Roos 1938-3-28 728 Riverside La Sierra Comment
  RSA522741  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3848 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Cyn and adjacent benches on S flank of Big Oak Mountain 396 Comment
  UC878883  Apocynum cannabinum C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill (Mt. San Jacinto); Mt. San Jacinto Comment
  UCR167973  Aquilegia formosa T. B. Salvato, John F. Green 2004-5-27 653 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
  UCR193755  Aquilegia formosa A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35645 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  POM366954  Aquilegia formosa var. truncata E. A. McGregor 1954-9-16 s.n. Riverside Idyllwild, San Jacinto Mountains Comment
  RSA66764  Arabis perennans E. C. Jaeger 1922-6-29 5443 Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  UC1007235  Arabis pulchra P. A. Munz 1940-3-24 15709 Riverside 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  RSA629153  Arctostaphylos Jon E. Keeley 1992-7-17 16786 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA697541  Arctostaphylos drupacea L. C. Hull 1934-4-23 s.n. Riverside Idyllwild Comment
Read comments
Dec 11 2011
  UCR26224  Arctostaphylos glandulosa John C. Roos 1947-3-15 3328 Riverside San Jacinto Mtns, grade above the San Jacinto River 1067 Comment
  UCR6046  Arctostaphylos glandulosa Robert A. Clark 1966-3-19 031966- 08 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive 6 miles from entrance off Chase Ave., Corona 762 Comment
  CAS-BOT-BC23119  Arctostaphylos glandulosa subsp. glandulosa W. Pequenat 1940-4-13 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
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Mar 13 2018
  SDSU17429  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-8-2 395 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  RSA629351  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-12 15547 Riverside Wildomar Cpgrd, ca. 15 km S of Elsinore Pk. Santa Ana Mtns. 850 Comment
  RSA629374  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16861 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629405  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19524 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629427  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16843 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  GMDRC2054  Arctostaphylos glauca J. Andre 2006-4-26 6775 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 116.44661 deg. W. Elev. 4347 ft. 1325 Comment
  LA34914  Arctostaphylos glauca Mary V. Hood; 1939-12-30 39- 130 k* b. Riverside Ribbon Wood, Pines to Palms 1341 Comment
  RSA631805  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21812 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA632226  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4094 A Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
  RSA633520  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16711 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633542  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22667 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633565  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20155 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633592  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22507 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633602  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16705 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633638  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20161 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633729  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16615 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633754  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16678 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633768  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16617 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633771  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21758 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  UCR188223  Arctostaphylos patula Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1696 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  SEINET10684105  Arctostaphylos pringlei subsp. drupacea Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 15 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  JEPS46252  Arctostaphylos pungens A. E. Wieslander Feb. 1929 Riverside near Prison Camp; San Jacinto Mts. Comment
  LA42248  Arctostaphylos pungens Elizabeth McClintock; 1938-2-10 sn Riverside San Jacinto Mountains, Lake Hemet Comment
  RSA635788  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16525 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  SD229132  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 670 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
  CAS-BOT-BC158114  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns.: Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  JOTR36088  Argemone munita La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3315 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  CAS-BOT-BC137645  Aristida adscensionis John Thomas Howell 1928-1-31 3318 Riverside East side of Pinto Basin, Colorado Desert. Comment
  CAS-BOT-BC500430  Aristida adscensionis A. C. Sanders; Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mts Aerial Gunnery Range 480 Comment
  CLARK-A1528-4463  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Mount Rubidoux 365 Comment
  LA9315  Aristida adscensionis A. N. Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  RSA700953  Aristida adscensionis Gary D. Wallace 1982-5-15 2000 Riverside Palms to Pines Highway, 7 level hill. Comment
  UCSB36482  Aristida adscensionis Gordon, Patricia 1980-3-9 Riverside Box canyon, 6 mi SE of Mecca on CA 195 60 Comment
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May 27 2009
  SEINET10467839  Aristida adscensionis Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-20 Holmgren 6418 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35, locally Frequent along gully in gravelly soil. 290 Comment
  SEINET3004951  Aristida californica G. Rink 2011-3-9 10375 Riverside Palo Verde Solar Site, southwest of Blythe 91 Comment
  SEINET229273  Aristida californica var. californica L. M. Shultz, JS Shultz 1985-4-15 8245 Riverside Chuckawalla Valley depression along Wiley's Well Road 122 Comment
  RSA0110190  Aristida purpurea Duncan S. Bell 2010-4-2 710 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  GMDRC2029  Aristida purpurea var. fendleriana J. Andre 2006-4-6 6686 Riverside Pinto Basin: Pinto Basin: approx. 400 m. S. of Pinto Basin Rd (paved), 3 mi. SE of Twin Tanks, growing on dark granitic outcrop. Elev. 3359 ft. 1024 Comment
  CAS-BOT-BC137511  Aristida purpurea var. purpurea J. C. Roos 1965-9-26 s.n. Riverside Palm Springs. 121 Comment
  UCR19696  Aristida purpurea var. wrightii J. R. Holliday 1969-5-5 44 Riverside Peninsular Range; San Jacinto Mtns. Foothills, Hwy 79, 1.5 mi NW of Gilman Hot Springs, 200 yards north of the road junction 463 Comment
  RSA725813  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, 4291 Alta Vista Dr. 259 Comment
  JOTR32836  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  JOTR36399  Artemisia dracunculus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3349 Riverside Joshua Tree National Park. Upper Covington Flat: Upper Covington Flats Parking area Comment
  UCR111590  Artemisia dracunculus Mitch Provance 1999-1-5 1740 Riverside Mira Loma, Delhi sand dune remnant on SE corner of Milliken Ave. and Patton Rd. 256 Comment
  UCR245797  Artemisia dracunculus A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40958 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  IRVC496  Artemisia ludoviciana subsp. incompta R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Above saw mill. Peninsular Ranges, Santa Rosa Mountains 1936 Comment
  SD259960  Asclepias albicans J. Andre 2012-4-11 20788 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Sutah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky (granitic) hills and large wash. 729 Comment
  RSA0104758  Asclepias californica Mitch Provance, T. Tennant 1998-6-16 MOR- 393 Riverside Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon. 1159 Comment
  POM12026  Asclepias eriocarpa Mary F. Spencer 1921-7-7 965 Riverside Tahquitz trail. Idyllwild Comment
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Aug 17 2011
  UC22969  Asclepias eriocarpa H. M. Hall July 1901 2505 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCSB12490  Asclepias subulata Breedlove, Dennis 1961-9-11 Riverside Along roadside U.S. 60-70, 16.4 mi. E of Indio 441 Comment
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Mar 29 2014
  HSC86951  Asparagus asparagoides B. G. Pitzer, E. Misquez 1988-2-28 636 Riverside Walker Basin, SW of Murrieta, Avenida Del Oro, 2 mi. S of Rancho California Road 428 Comment
  POM945  Aspidotis californica Philip A. Munz 1918-4-27 2119 Riverside Temecula Comment
  POM12825  Aster alpigenus Philip A. Munz 1922-9-6 6391 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  CAS-BOT-BC295358  Astragalus N. Aitkenhead 1977-2-1 2154 Riverside ~1 mi. E. of junction of T/L & Dillon Rd. in No. Palm Springs Comment
  UCD166200  Astragalus Jack Major 1962-4-16 765 Riverside Along side of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  JEPS20775  Astragalus aridus Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13229 Riverside 2.4 mi s Rice (on road to Midland and Blythe); s of Rice Comment
  UCR90270  Astragalus aridus John Wear 1994-4-21 s.n. Riverside Coachella Valley, near Bermuda Dunes, Ave. 38 at Varner Rd 61 Comment
  SEINET2060370 Image available Astragalus bicristatus Reid Moran 1973-7-28 21111 Riverside North slope of Toro Peak, Santa Rosa Mountains. 2310 Comment
  CHSC823  Astragalus crotalariae E. Thomas 1940-3-3 Riverside Coachella Valley. -30 Comment
  RSA670366  Astragalus crotalariae B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  UC665878  Astragalus crotalariae Ira L. Wiggins 1941-3-24 9580 Riverside 2.7 mi s Mortmar (eastern side Salton Sea); , s of Mortmar Comment
  UC68630  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5763 Riverside Palm Springs , Palm Springs (Colorado Desert) 152 Comment
  SBBG11672  Astragalus douglasii D. E. Breedlove 1961-5-6 465 Riverside 4.2 map mi SE of Vista Grande Guard Station on Riverside Hwy 1 near Allendale Pines 1798 Comment
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Jun 2 2013
  SDSU7895  Astragalus douglasii H. Wedberg 1963-5-26 1069 Riverside Banning to Idyllwild road, at junction with road to Black Mountain Publ. Campgr. Lower Yellow Pine Forest. 1646 Comment
  UCR269107  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4549 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  CAS-BOT-BC178433  Astragalus douglasii var. parishii Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  CAS-BOT-BC178447  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15143 Riverside Northwest slope of Santa Rosa Peak 2225 Comment
  RSA385  Astragalus douglasii var. parishii J. T. Howell 1927-8-2 555 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  RSA740944  Astragalus filipes Scott D. White, Justin M. Wood 2008-6-17 12183 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR102843  Astragalus gambelianus A. C. Sanders 1997-4-3 20170 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  CLARK-A1528-454  Astragalus lentiginosus var. coachellae Charlotte Stocks 1963-3-27 Riverside Coachella Valley Comment
  IRVC28833  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-26 4226 Riverside Coachella Valley; E of Flat Top Mtn; at base in sand dunes. Northern Sonoran Desert 152 Comment
  RSA0029320  Astragalus lentiginosus var. variabilis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4692 -E 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
  UC73172  Astragalus pachypus var. jaegeri M. F. Gilman 1904-1 43 Riverside Banning Comment
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Mar 13 2011
  UCR95257  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 0972 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 150 m SE of the Helopad at the upper camp sites. 524 Comment
  UC987815  Astragalus palmeri Reid Moran 1941-5-4 837 Riverside e Quail Spring (Joshua Tree National Monument); , e of Quail Spring 1300 Comment
  RSA600820  Astragalus pomonensis L. Haines, L. Erickson 1937-4-9 s.n. Riverside 1 mile west of San Jacinto Comment
  RSA0003063  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  UCR37629  Astragalus tricarinatus George K. Helmkamp 1984-5-5 E 5 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA415764  Astragalus trichopodus Freda Detmers 1931-6-19 s.n Riverside Chino Hills. Comment
  UCR129824  Athyrium filix-femina I. W. Clokey, E. G. Anderson 1935-8-21 6504 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  UC811445  Athyrium filix-femina var. cyclosorum P. A. Munz 1922-7-6 6030 Riverside n fork of Tahquitz Creek; San Jacinto Mts 2225 Comment
  CAS-BOT-BC17417  Athysanus pusillus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4041 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along highway 79, east of USFWS Dripping Springs Guard Station. 609 Comment
  RSA0120242  Athysanus pusillus Duncan S. Bell 2016-4-14 9275 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  UCR239804  Athysanus pusillus O. F. Clarke 2004-3-28 s.n. Riverside Peninsular Range, Box Springs Mtns., east of Riverside and NW of Moreno Valley; off Quail Call Dr. 610 Comment
  CAS-BOT-BC98821  Atrichoseris platyphylla Aven Nelson; Ruth A. Nelson 1939-3-29 3328 Riverside Hidden Springs Canyon, near Mecca Comment
  JOTR36436  Atrichoseris platyphylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3407 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR60765  Atrichoseris platyphylla Orlando Mistretta 1986-3-13 1454 Riverside Sonoran (Colorado) Desert, NE of Desert Center, west side Palen Mtns. 229 Comment
  UCR159815  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  POM307334  Atriplex canescens Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2205 Riverside Palm Springs Comment
  SEINET3930592  Atriplex canescens R. L. Piemeisel 1914-9-25 4045 Riverside 4 mi. w. of Indio Rd. to Indian well.; 0 Comment
  SEINET3930598  Atriplex canescens Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs.; 0 152 Comment
  OBI17352  Atriplex canescens subsp. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Srpings 152 Comment
  SD138898  Atriplex coronata var. notatior Craig Reiser 1994-4-1 Riverside Hemet, east of Warren and Florida Streets Comment
  UCR121793  Atriplex davidsonii A. C. Sanders, Carolyn Washburn 2001-4-17 24039 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  JOTR28751  Atriplex elegans var. fasciculata La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1032 Riverside Joshua Tree National Park. East flanks of Coxcomb Mountains, along JTNP boundary; 13 miles N of Desert Center. along Route 177 329 Comment
  OBI18624  Atriplex hymenelytra David J. Keil 1976-12-12 11912 Riverside Ca. 5 mi E of Indio along I-10 Comment
  RSA708483  Atriplex hymenelytra Scott D. White, Brian Leatherman 2005-5-4 11016 Riverside Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. 24 Comment
  SEINET4135127  Atriplex hymenelytra Howard C. Stutz 1988-1-14 94544 Riverside Salton Sea, Coombs Dr.; 0 Comment
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Jul 19 2015
  SEINET4135552  Atriplex polycarpa Howard C. Stutz 1977-11-18 8194 Riverside Indio, CA.; 0 Comment
  UCR274223  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains, the foot of the mountains between Toro Canyon and Martinez Canyon 169 Comment
  RSA689386  Atriplex rosea Scott D. White 2003-6-9 9523 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  RSA702186  Atriplex semibaccata Scott D. White, Michael Honer 2004-3-11 9897 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  IRVC26844  Atriplex semibaccata S. D. White 2001-4-13 8322 Riverside Badlands: County landfill area north of Moreno valley; ca. 1/4 air miles NW of SR60 junction with Gilman Springs Road. Southern Coastal 595 Comment
  RSA478408  Atriplex semibaccata Richard C. Barkelew, Mark Morris 1929-3-3 s.n. Riverside Perris. Comment
  UCR121254  Atriplex serenana var. serenana D. E. Bramlet, D. J. Bradney 1989-7-3 1931 Riverside Perris-Aguanga Basin region, Diamond Valley, just north and east of the Searl Ranch buildings 482 Comment
  SD146321  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-5-21 21854 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 mile west of Warren Road. 456 Comment
  SD211582  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside Southwest Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 292 Comment
  RSA772335  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4515 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR174340  Avena barbata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32501 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
  CLARK-A1528-4495  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  SEINET14287513  Avena fatua N. C. Cooper 1944-5-6 1218 Riverside Banning. 701 Comment
  RSA614131  Avena fatua D. L. Banks 1997-2-23 1298 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
  CAS-BOT-BC213218  Ayenia compacta Edmund C. Jaeger 1922-10-15 s.n. Riverside Tacquitz Canyon, Palm Springs Comment
  RSA557315  Azolla filiculoides Julie Greene, S. D. Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1418 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  UCR264222  Baccharis brachyphylla A. C. Sanders 2015-9-11 41870 Riverside Sonoran (Colorado) Desert, Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  RSA518205  Baccharis emoryi O. F. Clarke 1970-10-20 s.n. Riverside Growing wild at the UCR Botanic Gardens, on the Campus of University of California Comment
  RSA463260  Baccharis pilularis L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau, W of Murrieta 610 Comment
  RSA736300  Baccharis pilularis Scott D. White, Justin M. Wood 2007-10-3 11761 Riverside Site of proposed 'Liberty Quarry'. Mountains between Temecula Valley and Rainbow Valley just W of Interstate 15. N of the San Diego County Line. 335 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
  UCR237685  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4580 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  SEINET10616771  Baccharis salicifolia Frederick M. Reed 1934-1-6 Reed 8686 Riverside Shrub growing on waste ground. 244 Comment
  CAS-BOT-BC99869  Baccharis sergiloides L. R. Abrams 1926-3-26 11059 Riverside Palm Springs to Palm Canyon Comment
  RSA0123170  Baccharis sergiloides Duncan S. Bell, Andrew Chambers 2016-12-21 10219 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  RSA197275  Baccharis sergiloides L. B. Ziegler 1964-10-6 s.n. Riverside near Kenworthy, Garner Valley, S base of San Jacinto Mts Comment
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Mar 25 2011
  RSA93159  Baccharis sergiloides F. W. Peirson 1920-12-28 1295 Riverside Murray Canyon near Palm Springs Comment
  CAS-BOT-BC295895  Bahiopsis parishii H. M. Hall 1905-4-1 5877 Riverside Colorado Desert. Chuckawalla Bench Comment
  CAS-BOT-BC295896  Bahiopsis parishii Ivan Johnston 1917-4-4 1060 Riverside Colorado Desert. Palm Canyon 457 Comment
  JOTR34348  Bahiopsis parishii Andre, Jim 2012-4-11 20697 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
  JEPS30498  Baileya pauciradiata Donald Kyhos 1958-2-16 58 -18 Riverside 3 mi s of Rice Comment
  OBI26027  Baileya pauciradiata David J. Keil 1977-1-2 11933 Riverside W of Blythe along I-10 Comment
  SBBG65721  Baileya pauciradiata M. N. Ackley -Feb-1926 267 Riverside near Edom 64 Comment
  RSA220995  Barbarea orthoceras E. W. Lathrop 1966-3-30 6125 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  POM46891  Bebbia juncea Mary F. Spencer 1918-4-7 775 Riverside Palm Springs. 168 Comment
  UCSB6400  Bebbia juncea Graney, Don 1953-5-20 Riverside 11 miles east of Indio, Colorado Desert Comment
  JEPS19308  Bebbia juncea var. aspera W. L. Jepson Oct 22 1912-Nov 7 1912 5249 Riverside Blythe Intake, Palo Verde Valley, Colorado River 45 Comment
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Aug 29 2012
  RSA0121246  Bebbia juncea var. aspera Sherwin Carlquist 1958-10-12 627 Riverside Eagle Mt., pumping station. Comment
  CLARK-A1528-2274  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 487 Comment
  UCR18794  Berberis nevinii John C. Roos 1949-5-21 4321 Riverside Peninsular Range, SW corner of county, 2 miles north of Dripping Springs, near Vail Dam 442 Comment
  RSA557321  Bergia texana Julie Greene, S. D. Boyd, D. E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1432 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  RSA751085  Beta macrocarpa A. C. Sanders 2008-4-15 34892 Riverside NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 383 Comment
  SD122922  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Keith Rd., just east of the Bear Creek development golfcourse. Weedy, low gradient drainage. Locally common along graded roadside. Comment
  UCR213464  Bloomeria crocea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38362 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA33615  Bloomeria crocea var. crocea N. C. Cooper 1944-7-16 1542 Riverside San Jacinto Mtns., Pine Cove. 1524 Comment
  CLARK-A1528-5699  Boerhavia coccinea John C. Roos 1945-5-15 3858 Riverside Eagle Mountains Comment
  UCR59717  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  CAS-BOT-BC434517  Boerhavia diffusa T. C. Fuller 1968-7-17 17388 Riverside 288 E. Main St., San Jacinto Comment
  CAS-BOT-BC434522  Boerhavia diffusa S. B. Parish; W. F. Parish 1881-7-1 590 Riverside Base of San Jacinto Mt. Comment
  UCR23476  Boerhavia triquetra John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Above Palm Desert 701 Comment
  RSA0121007  Boerhavia wrightii Duncan S. Bell, LeRoy Gross 2016-3-8 8826 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  UCR43367  Boerhavia wrightii R. F. Thorne, R. Dahlgren 1979-8-23 53603 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, Pinto Basin Road: along Road, 4.5 mi south of meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR242115  Boschniakia strobilacea Tom Chester, James Dillane 2006-7-26 942 .5 Riverside Peninsular Ranges; San Jacinto Mountain, Devils Slide Trail, 0.28 miles (0.45 km) below Saddle Junction 2463.4 Comment
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May 11 2020
  JOTR16777  Bouteloua curtipendula Hogan, J. 1974-6-13 19 Riverside Joshua Tree National Park. QUEEN VALLEY, 1.9 MILES SOUTH OF PINE SPRING 1356 Comment
  JOTR30294  Bouteloua curtipendula Andre, Jim, Tasha La Doux 2007-9-6 8705 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA463718  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 -1 Riverside Vista Grande Road (3508) 1.0 mi. E of Banning-Idyllwild Road (SH243). Comment
  CLARK-A1528-5384  Brandegea bigelovii John C. Roos 1965-12-4 Riverside Comment
  JOTR32111  Brandegea bigelovii Harding, Mitzi, Kipp Callahan 2012-8-27 286 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA20225  Brandegea bigelovii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi. from Cottonwood Springs, N end of Pinto Basin Comment
  RSA207686  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi S of Palm Desert near top of Seven Level Hill at scenic stop 671 Comment
  UCR269836  Brandegea bigelovii A. C. Sanders, Jim Malusa 2016-3-18 42378 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  POM90998  Brandegea bigelovii E. C. Jaeger 1925-12-20 s.n. Riverside Fish traps. 3 Comment
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Feb 3 2011
  CAS-BOT-BC29979  Brassica fruticulosa A. C. Sanders; Oscar F. Clarke 1989-4-5 9035 Riverside Box Springs Mountains, on the east edge of Riverside. At the end of the dirt road in Two Trees Canyon. Comment
  UCR42620  Brassica nigra B. G. Pitzer, Karen Kirtland 1986-5-6 0263 Riverside 1.5 miles SE of Murrieta along Murrieta Creek; bounded north by Fig St, on south by Elm St., on east by Adams ave, and on west by Jefferson ave. 317 Comment
  RSA0102675  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  SEINET229271  Brassica tournefortii L. M. Shultz, JS Shultz 1985-4-16 8277 Riverside Chuckawalla Valley north of the Chukkawalla Mountains 122 Comment
  UCR113208  Brassica tournefortii A. C. Sanders 1998-2-19 21653 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR214563  Brassica tournefortii A. C. Sanders 2010-3-15 37409 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  JOTR37468  Brickellia atractyloides var. arguta Hodges, Stephen, T. Green 2016-5-5 590 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  RSA695643  Brickellia desertorum J. Russell Bruff 1928-12-4 390 Riverside Split Rock Comment
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Oct 23 2011
  UC1518846  Brickellia desertorum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55388 Riverside 3.3 mi n of Whitewater Post Office (side canyon on w side of Whitewater Canyon, San Bernardino Mts.); San Bernardino Mts. 594 Comment
  UCR108434  Brickellia desertorum L. C. Wheeler 1952-10-30 6380 Riverside Citrus Experiment Station ( = the present University of California, Riverside). 305 Comment
  UCR23692  Brickellia desertorum John C. Roos 1946-9-14 3023 Riverside Santa Rosa Mountains, Pines-to-Palms Highway. 1100 Comment
  UCR19256  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  SD126056  Brickellia oblongifolia var. linifolia K. Harper 1988-5-14 Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74. Comment
  RSA198994  Brodiaea filifolia Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UC501618  Brodiaea filifolia Frank W. Peirson 1930-5-10 8772 Riverside 1 mi E of Perris 457 Comment
  UCR191208  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 930 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 564 Comment
  UCR79358  Brodiaea santarosae Steve Boyd, T. S. Ross 1992-5-15 7385 Riverside S Santa Ana Mtns, SE flank of Elsinore Peak along old Main Divide Rd. track, c. 0.25 mi due south of radio towers 1037 Comment
  SEINET14623185  Bromus F. S. Crosswhite 1961-1-22 1710 Riverside along Chicago Ave. 183 Comment
  CAS-BOT-BC221150  Bromus berteroanus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37794 Riverside Peninsula Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA27411  Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
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Sep 11 2011
  UC1022803  Bromus carinatus var. carinatus Philip A. Munz 1938-8-14 15356 Riverside Santa Rosa Peak, Virgin Spring Virgin Spring; Santa Rosa Peak, Virgin Spring 2286 Comment
  SDSU17526  Bromus catharticus Jerry Jenkins 2001-4-3 2001 -041 Riverside Santa Margarita Ecological Reserve. Organ grove near station, UTM zone 6, 482100E, 3699050N. UTM transfered to GIS. Comment
  UCSB51392  Bromus catharticus Roos, A. 1937-11-13 Riverside San Bernardino Basin region, Riverside 243 Comment
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May 21 2011
  POM259162  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-14 15356 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA618392  Bromus diandrus D. L. Banks 1997-5-5 1971 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SDSU13932  Bromus diandrus Michael G. Simpson, Adrienne Russell 2000-4-29 2072 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR102758  Bromus diandrus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3581 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
  UCR233576  Bromus diandrus A. C. Sanders, John F. Green 2012-4-12 40036 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  RSA179504  Bromus hordeaceus E. W. Lathrop 1964-5-10 5352 Riverside 10 miles west of Murrieta. 610 Comment
  SEINET7048210  Bromus hordeaceus Steven R. Hill, Andrew C. Sanders 2001-5-4 33722 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  SD248298  Bromus madritensis subsp. rubens A. C. Sanders, John F. Green 2012-3-26 39998 Riverside Peninsular Range;, Santa Ana Mountains Area: Temescal Canyon, mouth of a small canyon between Horsetheif Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Road (Alberhill 7.5'Q) 369 Comment
  UC1537242  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 107 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  VVC553  Bromus madritensis subsp. rubens A. C. Sanders, J. Mac 1997-5-4 20639 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA326150  Bromus orcuttianus var. hallii John F. Emmel 1981-6-21 785 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  RSA778204  Bromus rubens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 798 Riverside Mecca Hills, just south of Shaver's Well 305 Comment
  SEINET14451727  Bromus rubens C. F. Shutts 1949-3-28 90 Riverside Palms to Pine Highway State 74. Santa Rosa Mountains. near Palm Springs 747 Comment
  UCR102764  Bromus rubens B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3593 .2 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  POM363955  Bromus rubens N. C. Cooper 1944-4-8 1082 Riverside Andreas Canyon 305 Comment
  RSA772132  Bromus tectorum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4865 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA559361  Bromus tectorum Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  RSA405297  Caesalpinia virgata P. J. Remple 1942-3-2 s.n Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  UC128445  Caesalpinia virgata Marcus E. Jones, A. M. 1906-4-27 Riverside Indio Comment
  UCR102893  Calandrinia ciliata A. C. Sanders 1997-3-26 20101 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR249821  Calandrinia ciliata T. B. Salvato, John Lovio 2013-3-19 7359 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 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
  RSA198960  Callitriche heterophylla subsp. bolanderi R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37421 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  UC1409149  Callitriche marginata Robert F. Thorne and Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau on south end of Mesa de Colorado, Rancho California. 624 Comment
  POM11515  Calocedrus decurrens Philip A. Munz 1922-6-28 5885 Riverside Santa Rosa Mtns. Canyon above Santa Rosa. 1981 Comment
  SD229035  Calocedrus decurrens Dick Schwenkmeyer 2012-6-27 750 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  SD82892  Calocedrus decurrens Larry E. De Buhr 1972-2-25 500 Riverside Santa Rosa Mountains, along forest Road 7S02 above Cedar Springs 2345 Comment
  RSA263709  Calochortus albus E. W. Lathrop 1968-5-30 6936 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR110925  Calochortus concolor A. C. Sanders, Mitch Provance 1998-6-18 21984 Riverside San Jacinto Mtns., along Hwy 243 c. 1 km below the turnoff to Twin Pines Ranch 1189 Comment
  JOTR34203  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2995 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; burned slopes (2009 fire) above Lost Horse Mine trail, west of mine, with rocky-cobbley soil and rocky outcrops Comment
  CAS-BOT-BC32342  Calochortus palmeri var. munzii Philip Alexander Munz; Percy C. Everett 1950-6-23 14915 Riverside 2 mi. NW of Pipe Creek, S end of San Jacinto Mts. 1402 Comment
  CAS-BOT-BC154053  Calochortus splendens Jun Hu 2000-5-11 16 Riverside San Jacinto Valley: SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA0120466  Calochortus splendens Duncan S. Bell 2016-4-16 9321 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA769686  Calochortus splendens Duncan S. Bell, J. D. England 2010-5-17 1010 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 759 Comment
  UC963813  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside ca. 5 mi ne of, Joshua Tree National Monument Cottonwood Springs; Mojave Desert, Smoke Tree Wash 853 Comment
  RSA510055  Calycoseris wrightii B. Pitzer 1988-3-10 653 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA796093  Calycoseris wrightii Duncan S. Bell 2009-4-20 309 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG93054  Calyptridium monandrum G. Ballmer 1990-5-5 Riverside SE boundary of San Jacinto Potrero land grant, just N of the Colorado River aqueduct, where the rd crosses crk at the mouth of unnamed cyn to the E Comment
  SEINET7063460  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley. UTM Zone 11, 497479mE, 3743001mN. (WGS84/NAD83). 442 Comment
  UCR80810  Calyptridium monandrum Scott D. White 1993-5-29 1441 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA466601  Calyptridium parryi var. parryi H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains Comment
  CAS-BOT-BC224280  Calystegia macrostegia A. C. Sanders; T. B. Salvato; Kelly Volansky; Michelle Balk 2006-5-24 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR155947  Calystegia macrostegia T. B. Salvato, Kent Beaman 2005-5-16 819 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
  UCR176902  Calystegia macrostegia Tracy Tennant 1998-5-13 s.n. Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  UCR21973  Calystegia macrostegia Steve Boyd 1980-5-5 199 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA583740  Calystegia macrostegia subsp. tenuifolia Steve Boyd 1995-4-24 8491 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  RSA466972  Camissonia bistorta E. Crow 1929-4-7 311 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  UCR107408  Camissonia bistorta B. G. Pitzer 1997-3-23 2992 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
  UCR111999  Camissonia bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23428 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA692203  Camissonia boothii subsp. condensata Scott D. White, Michael Honer 2003-5-14 9286 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA49362  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-11 13003 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  POM17949  Camissonia californica P. A. Munz 1923-6-14 7107 Riverside Trail from Glen Ivy to Santiago Peak. 1006 Comment
  RSA314675  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55502 Riverside San Bernardino Mountains -- on south end of ridge at mouth of Whitewater Canyon, east of bridge, about 3.3 miles north of Whitewater Post Office. 427 Comment
  RSA454741  Camissonia cardiophylla M. B. Dunkle 1935-3-30 4423 Riverside Pinto Basin. Colo. Desert. Comment
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Dec 12 2011
  POM13089  Camissonia chamaenerioides E. C. Jaeger 1920-3-1 s.n. Riverside Palm Springs Comment
  RSA448924  Camissonia claviformis subsp. aurantiaca Ora M. Clark 1929-2-23 1559 Riverside E. Whitewater. Comment
  UCR142868  Camissonia claviformis subsp. aurantiaca C. B. Wolf 1937-4-6 8425 Riverside Western Colorado Desert, Coachella Valley, 2 mi. NE of Edom 61 Comment
  RSA748291  Camissonia claviformis var. aurantiaca Justin M. Wood 2009-3-26 419 Riverside Coachella Valley: Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  RSA186795  Camissonia confusa Peter H. Raven 1962-5-18 17763 Riverside Junction [of] Main Divide Truck Trail with Ortega Highway, Santa Ana Mountains. 701 Comment
  UCR94237  Camissonia confusa Scott D. White 1996-4-14 3901 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
  SEINET12188402  Camissonia dentata H. M. Hall 2917 Riverside Vicinity of Winchester 457 Comment
  UCR115337  Camissonia hirtella A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16247 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR121687  Camissonia ignota D. E. Bramlet 1991-5-9 2137 Riverside N Domenigoni Hills, c. 0.5 mi SE of the end of Warren Rd., on large, prominent peak adjacent to old quarry, east of access road 659 Comment
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  UCR269111  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4465 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  RSA718877  Camissonia pallida subsp. pallida Michael Honer, L. Hulse 2005-3-7 2028 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  UCR75091  Camissonia refracta A. C. Sanders, E. J. Lawlor 1992-4-4 12099 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC140596  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet Comment
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Mar 24 2011
  UCR26486  Camissonia strigulosa A. C. Sanders 1981-5-20 2123 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UC1286982  Camissoniopsis bistorta C. L. Hitchcock 1966-3-15 24173 Riverside along roadcut 4 mi ne Aguanga Comment
  UC50342  Camissoniopsis bistorta H. M. Hall Apr. 1903 3843 Riverside near Midlands Comment
  SD133055  Camissoniopsis hirtella Scott White 1991-5-13 91 93 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Sprins. 548 Comment
  SDSU3367  Camissoniopsis hirtella H. Wedberg 1958-5-18 305 Riverside At view-type parking area west of Mountain Center, San Jacinto Mountains. Comment
  UCR166110  Camissoniopsis hirtella A. C. Sanders 1994-5-29 14570 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  UCSB13030  Camissoniopsis pallida subsp. pallida Dearing, Hugh; Dearing, Margaret 1942-1 Riverside Colorado Desert near Cathedral City, east of Palm Springs Comment
  UCR266331  Carex D. E. Bramlet 1990-6-21 2045 Riverside Peninsular Range, Vail Lake, Butterfield Campground 473 Comment
  UCR59679  Carex alma Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2989 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UC212056  Carex barbarae I. M. Johnston 1918-5-30 2022 Riverside Lee Lake Temescal Canyon 335 Comment
  RSA633885  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38118 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC72160  Carex fracta H. M. Hall May 17 1901 - Jun 1 1901 2665 Riverside Strawberry Valley, San Jacinto Mountain 1600 Comment
  RSA572422  Carex globosa Christopher Davidson 1977-5-18 5621 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  RSA364682  Carex praegracilis H. de Forest s.n. Riverside E of Coachella Valley. Chino Canyon. Colorado Desert Comment
  RSA736253  Carex praegracilis Scott D. White, Justin M. Wood 2008-4-3 11795 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR277703  Carex praegracilis Mitch Provance 2013-4-16 413- 19 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  SEINET11125985 Image available Carex sartwelliana P. Zika, Otting, N 2010-1 25299 Riverside San Bernardino National Forest, N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Jacinto Mountains (SnJt) Comment
  UCR40555  Carex schottii Steve Boyd 1985-7-23 1024 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  POM49862  Carex senta Phillip A. Munz, I. M. Johnston 1924-7-27 8759 Riverside Dark Canyon, San Jacinto Mountains 2287 Comment
  RSA249867  Carex subfusca Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38154 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  UC489091  Carex subfusca C. V. Meyer 1928-7-30 575 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  UC72462  Carex subfusca H. M. Hall July, 1901 2250 Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  JEPS46518  Castela emoryi James Rennie 1916-6-15 Riverside in hayfield in Chuckwalla Mts.; in hayfield in Chuckwalla Mts. Comment
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May 6 2009
  RSA783582  Castela emoryi M. Wall, Valentin Arvizu 2011-6-1 604 Riverside North of Desert Center, plants near a power line maintenance road just east of Kaiser Rd. and ca. 5.2 miles north of junction with Rice Rd. (Hwy 177) 197 Comment
  SD70378  Castilleja affinis L. R. Heckard 1953-5-5 388 Riverside Along California highway 79, 5.7 miles south of Hemet, at edge of hills Comment
  UCD122169  Castilleja affinis A. C. Sanders; T. B. Salvato 2001-5-3 24084 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR281702  Castilleja affinis B. C. Templeton, I. W. Clokey, C. B. Clokey 1930-4-15 1087 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 Comment
  RSA312182  Castilleja applegatei subsp. martinii N. C. Cooper 1944-4-22 1131 Riverside Banning. 732 Comment
  UCR132613  Castilleja exserta Kent Beaman 1983-4-24 09 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  RSA0010936  Castilleja exserta subsp. exserta Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  OBI29868  Castilleja foliolosa Melissa Luckow, Rhonda Riggins 1982-4-15 833 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  POM293613  Castilleja foliolosa Lyman D. Benson 1945-4-6 11661 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 Comment
  RSA586138  Castilleja foliolosa D. L. Banks 1995-4-11 181 Riverside 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. 780 Comment
  RSA774893  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5030 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
  RSA295278  Caulanthus hallii R. S. Woglum 1937-5-22 584 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA673540  Caulanthus heterophyllus Scott D. White, Tasha La Doux 2000-4-20 7678 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR97496  Caulanthus heterophyllus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19879 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 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
  RSA559936  Caulanthus lasiophyllus var. rigidus Steve Boyd 1992-4-18 6887 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  SD173249  Caulanthus simulans Juergen Schrenk 2005-3-16 10 Riverside Wilson Valley Road, southwest Riverside County Comment
  RSA577527  Ceanothus crassifolius D. L. Banks, S. D. Boyd 1995-2-16 52 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 976 Comment
  RSA606767  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27352 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UCR89483  Ceanothus crassifolius Steve Boyd, K. A. Boyd 1993-3-28 7921 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  CLARK-A1528-793  Ceanothus cuneatus C. M. Flanagan 1973-5-20 OO 520 Riverside Morongo Indian Reservation 1158 Comment
  RSA755790  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-3-21 DOB 803 c Riverside San Jacinto Mountains at intersection of Chimney Flats Road and USFS Road 5S13, 2.8 road miles from highway 243 via Toll Gate Road, Apela Drive, and USFS roads 5S24 and 5S13, 4.57 kilometers 257 degrees true west-southwest of Idyllwild. 1440 Comment
  LA43601  Ceanothus integerrimus Carl Epling; William Robison 1935-7-30 sn Riverside north fork San Jacinto River Comment
  POM254881  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  LA44860  Ceanothus leucodermis W. E. Pequegnat; 1939-4-8 46 Riverside Santa Ana Mountains Comment
  OBI5802  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts 1-6/10 mi S of Idylwild on road to Tauquitz Lodge Comment
  POM305369  Ceanothus leucodermis Henry J. Ramsey 1938-3-26 649 Riverside Temecula. Comment
  HSC84221  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail 473 Comment
  SD186315  Ceanothus oliganthus var. sorediatus Andy C. Sanders, M. Misenhelter 2005-3-23 29265 Riverside Santa Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UC1535384  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside s of Hemet (intersection of Palm Ave. and Saddle Ridge Trail.) 472 Comment
  UC1611572  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7912 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 792 Comment
  RSA25758  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside 3.5 mi. N.W. of Idylwild on dark canyon Rd. 1646 Comment
  CAS-BOT-BC51918  Ceanothus perplexans C. B. Wolf 1931-5-11 1944 Riverside near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA0022333  Ceanothus perplexans P. A. Munz, I. M. Johnston 1922-5-19 5448 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  CAS-BOT-BC63251  Ceanothus tomentosus var. olivaceus R. Bacigalupi 1935-3-28 2336 Riverside Along U.S. Highway 99, 5 mi. e. of Redlands. Comment
  UCR261557  Cenchrus ciliaris Michelle Murphy-Mariscal, Cameron Barrows 2015-4-14 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, Thousand Palms area, c. 25 meters north of 38th Ave. 36 Comment
  UCD130005  Centaurea iberica R. M. Howie 1952-10-4 Riverside Fuller Rancho near Corona. Comment
  POM13612  Centaurium venustum E. C. Jaeger 1921-7-15 1134 s.n. Riverside Massacre Canyon, near San Jacinto. Comment
  RSA773104  Centaurium venustum Duncan S. Bell, Joy England 2010-6-14 1296 B Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  UCR135857  Centaurium venustum A. C. Sanders 2004-4-20 27529 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
  LA203694  Centromadia pungens Elizabeth McClintock; 1938-5-30 sn Riverside San Jacinto Comment
  RSA689431  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -248 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. Comment
  UCR266828  Centromadia pungens subsp. laevis D. E. Bramlet 2009-9-24 4400 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, NW of Hemet, San Diego Canal right-of-way south of Esplanade Ave. and west of Warren Rd. 459 Comment
  POM17506  Ceratophyllum demersum P. A. Munz 1923-6-18 7136 Riverside Temecula Canyon Comment
  RSA123213  Cercidium floridum H. S. Yates 1936-4-8 5453 Riverside Near Fish Springs 61 Comment
  UCR79226  Cercocarpus minutiflorus Steve Boyd, T. S. Ross 1992-2-21 6669 Riverside Santa Ana Mtns., Southern part of Mtns., San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 854 Comment
  RSA708057  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
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Feb 1 2008
  UCR104818  Chaenactis carphoclinia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2732 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR166531  Chaenactis carphoclinia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10882 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR269194  Chaenactis carphoclinia var. carphoclinia Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-22 778 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  JEPS30582  Chaenactis fremontii Donald M. Kyhos 1957-5-2 57 -153 Riverside west edge of Cabazon Cabazon Comment
  SEINET7097943  Chaenactis glabriuscula A. G. Vestal 1937-3-21 s.n. Riverside Near Garnet. UTM Zone 11, 542095 mE, 3751177 mN. Lat. 33 54' 07ao N, Long. -116 32' 41ao NAD 27 (Converted to WGS84 decimal degrees) Comment
  CAS-BOT-BC277418  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; R. Snow 1957-7-26 11105 Riverside Meadow just below Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto Mts. Comment
  JEPS34142  Chaenactis glabriuscula var. glabriuscula W. L. Jepson and H. M. Hall 1901-5-17 1246 Riverside San Jacinto town to Strawberry Valley 487 Comment
  RSA771809  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  UC34688  Chaenactis glabriuscula var. glabriuscula Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UC494758  Chaenactis stevioides C. L. Hitchcock 1932-4-8 12215 Riverside 1 mi w of Cottonwood Spring Comment
  UC665742  Chaenactis stevioides Ira L. Wiggins 1941-5-27 9683 Riverside 8 mi ne of Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  UCR214425  Chaenactis stevioides A. C. Sanders, Richard Dwerlkotte 2010-3-22 37506 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  RSA19431  Chaenactis stevioides var. stevioides I. W. Clokey 1935-4-17 6942 Riverside Cottonwood Springs. Comment
  UCR93838  Chaetopappa aurea Kent Beaman 1996-4-18 s.n. Riverside Peninsular Range, 6-7 miles east of Temecula, 40 acre parcel on De Portola Road, opposite Calle de Oro Comment
  VVC2185  Chamaesyce abramsiana Tim Thomas, Paul Frank, Art Schuab, Mike Honer 2012-9-5 5884 Riverside Colorado River Valley, Wilson Road; 0.3 miles west of the river. 104 Comment
  JEPS51889  Chamaesyce albomarginata E. E. Schellenger 1894-8-11 78 Riverside Colorado Desert, Paloverde Comment
  RSA0093770  Chamaesyce albomarginata Duncan S. Bell 2015-9-30 8685 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA435979  Chamaesyce albomarginata N. C. Cooper 1948-5-13 2849 Riverside Devil's Garden. 244 Comment
  RSA0121596  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-29 9106 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
  POM195636  Chamaesyce micromera L. C. Wheeler 1931-11-26 369 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA644205  Chamaesyce micromera V. W. Steinmann 1999-10-26 1415 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 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
  JEPS52379  Chamaesyce polycarpa W. L. Jepson May 17 1901-Jun 1 1901 Riverside Palm Canyon and return to Van Deventer's Comment
  RSA594118  Chamaesyce polycarpa D. L. Banks 1996-4-8 0867 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW of the Cleveland National Forest and Agua Tibia Wilderness Area, NW Dorland Mountain Area, U.C. Emerson Preserve, S end of Los Caballos Road., Approximately 50 m inside the preserve boundary gate, 10 m NW of the main roads intersection with a small trailing heading to the W. 448 Comment
  UC17664  Chamaesyce polycarpa S. B. Parish Apr 4 1896-Apr 13 1896 4143 Riverside Palm Springs (Agua Caliente), base of mountain San Jacinto Mtn Comment
  RSA503146  Chamaesyce polycarpa var. polycarpa Gary D. Wallace 1966-3-26 271 Riverside Thousand Palms Oasis in the Indio Hills 76 Comment
  RSA559343  Chamaesyce serpillifolia Steve Boyd, T. S. Ross 1992-5-15 7399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA741109  Chamomilla suaveolens Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR144101  Cheilanthes clevelandii Scott D. White 1998-2-7 6070 Riverside Agua Tibia Mtns, N boundary of USFS Agua Tibia Wilderness, c. 1 air mi south of the Hwy 79 junction with Woodchuck Road 640 Comment
  JOTR30753  Cheilanthes covillei La Doux, Tasha, Jim Andre 2007-9-6 136 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  POM120993  Cheilanthes covillei Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR82770  Cheilanthes covillei A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15781 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  RSA556511  Cheilanthes newberryi Julie Greene 1993-4-10 1159 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 475 Comment
  RSA685792  Cheilanthes newberryi Anonymous s.n. Riverside San Jacinto. Comment
  UCR132352  Cheilanthes newberryi Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0000023  Cheilanthes parishii P. A. Munz 1921-12-31 4696 Riverside Andreas Canyon, Palm Springs. Comment
  IRVC3135  Cheilanthes parryi R. H. Whittaker 1963-6-5 SJ 224 Riverside Palms to Pines Highway. Peninsular Ranges, Santa Rosa Mountains 396 Comment
  RSA685823  Cheilanthes parryi M. B. Dunkle 1932-3-25 2905 Riverside Cathedral Canyon Comment
  RSA799252  Cheilanthes parryi Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 752 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  RSA0033580  Cheilanthes parryi Robert F. Thorne 1966-10-15 41809 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA0076313  Chenopodium L. C. Wheeler 1945-10-6 6138 Riverside San Jacinto Mountains. Head of west fork of Snow Creek. 2377 Comment
  RSA552707  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1992-2-21 6663 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  RSA423251  Chenopodium berlandieri N. C. Cooper 1943-10-9 949 Riverside Hemet. 304 Comment
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Apr 29 2011
  SD247396  Chenopodium berlandieri Andy Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains: near central Idyllwild, west side of Highway 243 at road junction to Astrocamp (Saunders Meadow Road) and 0.15 kilometer northeast of Tollgate Road junction. 1595 Comment
  UC1951128  Chenopodium californicum Scott D. White, Justin Wood 2009-5-22 12900 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UCR23310  Chenopodium californicum John C. Roos 1952-4-16 5560 Riverside Box Springs Mountains, Pigeon Pass 366 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
  RSA740960  Chenopodium pumilio Scott D. White, Justin M. Wood 2008-6-18 12216 Riverside K Flat Meadow. 1433 Comment
  CDA3100  Chenopodium strictum Mitch Provance 2000-11-2 2293 Riverside Reid Park, ca. 0.5 mile SW of the corner of Placentia Ln. and Orange Street, North Riverside. Comment
  CAS-BOT-BC231788  Chilopsis linearis Milo S. Baker 1928-4-3 2777 a Riverside Palm Canon [Canyon] Road to Palm Sps. Comment
  UCR245997  Chilopsis linearis Duncan S. Bell, Aaron Sedgwick 2012-9-13 4208 Riverside Sonoran (Colorado) Desert, Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, c. 5 air mi northeast of the junction of Box Canyon Road and the Coachella Canal or c. 1.25 air mi southwest of Shavers Well 240 Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  OBI37461  Chilopsis linearis subsp. arcuata G. Helmkamp 1985-5-9 455 Riverside S of Morongo Valley; Big Morongo Preserve; 1/2 mi from the Coachella Valley 503 Comment
  POM70990  Chilopsis linearis subsp. arcuata George B. Grant 1906-5-1 s.n. Riverside On Colorado Desert at Palm Springs. Comment
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Sep 4 2011
  RSA0117616  Chilopsis linearis subsp. arcuata Sarah J. J. De Groot 2005-5-16 4969 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  RSA609746  Chilopsis linearis subsp. arcuata R. S. Woglum 1934-4-12 1354 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  UC21648  Chimaphila menziesii H. M. Hall July, 1901 Riverside vicinity of Deer Springs; San Jacinto Mts. 2590 Comment
  RSA779808  Chorizanthe brevicornu Duncan S. Bell 2009-3-9 107 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  UCR116805  Chorizanthe brevicornu A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23935 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  CAS-BOT-BC191702  Chorizanthe brevicornu var. brevicornu Milo S. Baker 1928-4-4 2841 C Riverside Tahquitz Canon [canyon] near Palm Sps. Comment
  JEPS57786  Chorizanthe brevicornu var. brevicornu W. L. Jepson 1927-4-13 11677 Riverside Painted Canyon, NE of Mecca, Colorado Desert Comment
  SD21515  Chorizanthe brevicornu var. brevicornu Frank F. Gander 1938-5-21 5758 Riverside Shaver's Summit Comment
  UCR16539  Chorizanthe brevicornu var. brevicornu J. Texera 1970-3-27 05 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  JEPS57630  Chorizanthe corrugata W. L. Jepson 1927-4-12 11667 Riverside Painted Canyon, Mecca Hills. Comment
  UCR175062  Chorizanthe fimbriata Teresa Nieto 2005-5-26 33 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR245669  Chorizanthe fimbriata Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-27 393 Riverside [SW of Vail Lake] east of Woodchuck Road, roadside, near alluvial bench next to Kolb Creek 495 Comment
  RSA648275  Chorizanthe fimbriata var. laciniata Tamara Joy Hanna 1991-5-19 43 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  SBBG62270  Chorizanthe leptotheca P. A. Munz 1927-5-21 10879 Riverside SW of Cahuilla Comment
  UCR155051  Chorizanthe leptotheca Jason L. Hlebakos 2005-5-30 826 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  POM97111  Chorizanthe leptotheca P. A. Munz 1925-5-20 9843 Riverside Aguanga Valley. Comment
  UCR266486  Chorizanthe polygonoides var. longispina Mitch Provance, Eric Kline 2015-3-26 315- 43 Riverside Temecula/Murrieta Region, Murrieta, Antelope Hills neighborhood, NE corner of Menifee Rd. and Clinton Keith Rd. 425 Comment
  RSA500223  Chorizanthe staticoides Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3519 Riverside Vail Lake area, 1 mi W of lake. 609 Comment
  CAS-BOT-BC36261  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tacquitz ridge, San Jacinto Mt. 2438 Comment
  RSA5250  Chrysolepis sempervirens Carl B. Wolf 1932-8-5 3987 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  UCR34882  Chrysothamnus nauseosus L. B. Ziegler 1977-10-24 576 Riverside San Jacinto Mtns., Black Mtn. Campground 2287 Comment
  POM243703  Chrysothamnus teretifolius E. C. Jaeger 1938-10-22 s.n. Riverside 12 miles S of Warren's Well Comment
  SBBG27012  Chylismia brevipes K. K. Muller 1967-3-21 1385 Riverside mouth of small arroyo in Orocopia Mtns opposiye S entrance to Joshua Tree Nat Monument Comment
  UC604862  Chylismia cardiophylla subsp. cardiophylla Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9569 Riverside 2 mi up Painted Canyon; Mecca Hills Comment
  UC667280  Chylismia cardiophylla subsp. cardiophylla Annie M. Alexander and Louise Kellogg 1941-5-26 2238 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 975 Comment
  SDSU21592  Chylismia claviformis Duncan S. Bell 2010-5-1 889 Riverside Arica Mountains: northwest section of project area, ca. 10.5 air miles southwest of the ghost town of Rice, and ca. 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  CAS-BOT-BC160585  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-15 11847 Riverside Box Canyon 4.5 miles east of turn of Painted Canyon Comment
  UC1184361  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-16 11862 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  UC1184378  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11750 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  JEPS30448  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mi up road toward Mount Santa Rosa summit; San Jacinto Mts. Comment
  RSA500558  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3601 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA370864  Cirsium vulgare R. F. Thorne 1985-7-18 61280 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA586033  Cistanthe monandra D. L. Banks, Steve Boyd 1995-3-16 0085 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  RSA612824  Cistanthe monandra D. L. Banks 1997-3-1 1345 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA262080  Clarkia bottae E. W. Lathrop 1966-5-8 6408 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CAS-BOT-BC164316  Clarkia delicata Earl W. Lathrop 1989-5-10 s.n. Riverside Tin Mine Cyn. 4 miles SW Corona Comment
  UCR193896  Clarkia purpurea A. C. Sanders, Mitch Provance 2008-7-11 35785 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA92747  Clarkia purpurea subsp. quadrivulnera J. C. Roos 1952-5-26 5716 Riverside Hass Ranch. Reche Canyon. 457 Comment
  RSA572984  Clarkia similis Steve Boyd 1986-4-19 1705 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR218066  Clarkia similis Steve Boyd 2010-5-28 12288 Riverside Santa Ana Mountains, Elsinore Peak, northern flank of knoll south of peak, south of Main Divide Road 1037 Comment
  UCR241397  Claytonia parviflora T. B. Salvato 2013-3-22 7390 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  RSA735848  Claytonia parviflora subsp. parviflora Scott D. White, Justin Wood 2008-3-25 11780 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA614413  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1546 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA650085  Claytonia perfoliata Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  LA207252  Clematis ligusticifolia L. Crutcher; 1933-8-19 20 Riverside San Jacinto Mountains, Stream back of Camp Tahquitz Comment
  RSA650739  Cleome isomeris Frank S. Hewitt Jr. 1949-2-14 s.n. Riverside Found on western edge of Colorado Desert of Hwy 99 [ Hwy 10] near Whitewater. 609 Comment
  CLARK-A1528-7855  Coldenia canescens John C. Roos 1949-4-11 4243 Riverside Eagle Mountains Comment
  UCR193134  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35529 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  RSA314161  Collomia grandiflora W. Wisura 1983-6-25 3912 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  SD257165  Conium maculatum Dave Goodward 2016-7-30 716 1 Riverside San Jacinto Mountains: Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River (Idyllwild 7.5'Q) 1327 Comment
  UCR201951  Convolvulus arvensis Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  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
  UCR17523  Cordylanthus nevinii Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UCR94921  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  JOTR29264  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  UCR88542  Coreopsis bigelovii A. C. Sanders 1995-4-13 16489 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
  JEPS30473  Coreopsis californica var. californica Peter H. Raven 1958-3-16 11870 Riverside 4.3 mi e of Cholla Cactus Garden, Joshua Tree National Monument Comment
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Jun 9 2012
  CAS-BOT-BC101299  Corethrogyne filaginifolia D. E. Breedlove 1961-8-4 929 Riverside along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  UCR32325  Coryphantha vivipara var. alversonii Faulkner 1978-3-21 342 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  CAS-BOT-BC427775  Crassula connata C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. e. of Glen Ivy Hot Springs Comment
  CAS-BOT-BC175808  Crossosoma bigelovii Ynez Whilton Winblad 1937-3-23 s.n. Riverside 29 Palms Canyon Comment
  POM153341  Crossosoma bigelovii Martha Hilend 1928-3-11 s.n. Riverside Morongo Pass, Colorado Desert region. Comment
  RSA397717  Crossosoma bigelovii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCD102968  Crossosoma bigelovii P. C. Everett; E. K. Balls 1958-5-4 23080 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  UCD102971  Crossosoma bigelovii Geoffrey Levin 1976-3-27 696 Riverside Chino Canyon. West of Palm Springs. On the hills on south side of canyon. Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 457 Comment
  RSA775444  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4446 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
  SD60435  Croton californicus Reid Moran 1964-7-27 11861 Riverside Canyon of Santa Margarita River, 2.5 miles southsouthwest of Temecula. 199 Comment
  SEINET9252905 Image available Croton californicus E. Sundell, M. Sundell 1974-7-13 555 Riverside Indio Comment
  UC56923  Croton californicus H. M. Hall May 1901 1871 Riverside along borders of Colorado Desert San Jacinto Mountains (e base of mts.) Comment
  UCR41370  Croton californicus N. M. Fellows 1985-1-5 63 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  SEINET10837540  Croton californicus David B. Dunn 1948-3-14 Dunn 3767 Riverside Found 5 mi W of Thousand Palms in an open sandy desert. Comment
  HSC92615  Croton setiger J. J. Jimenez-Osornio 1986-11-22 14 Riverside In parking lot at UCR 301 Comment
  UCR153A  Croton setiger Eugene Cardiff 1950-5-11 s.n. Riverside San Bernardino Valley Region, Jurupa Hills 335 Comment
  UCR273491  Croton setiger A. C. Sanders, Glen Morrison 2016-8-4 42613 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Redonda Mesa, near radio/cellphone tower & prominent abandoned microwave tower 855 Comment
  UCR92255  Crypsis schoenoides Scott D. White, S. Ogg 1994-10-17 2466 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA314619  Cryptantha angustifolia R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55486 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR228174  Cryptantha angustifolia Dave Silverman, Onkar Singh 2010-3-26 7849 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, NW of Blythe, 2.2 km E of Black Creek Rd, c. 5 km W of McCoy Wash, and c. 8 km N of I-10 146 Comment
  UCR242121  Cryptantha angustifolia Jim Andre 2011-2-9 15914 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
  UCR245947  Cryptantha angustifolia Duncan S. Bell 2009-3-8 54 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  POM3856  Cryptantha barbigera H. M. Hall 1905-4-23 5856 Riverside Canyon Springs Comment
  RSA784723  Cryptantha barbigera Duncan S. Bell 2012-3-18 3210 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
  UCR30072  Cryptantha barbigera George K. Helmkamp 1983-4-5 483 16 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SEINET10455557  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3708 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR243166  Cryptantha barbigera var. fergusoniae LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4328 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCR214407  Cryptantha costata A. C. Sanders, Richard Dwerlkotte 2010-3-22 37513 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. ESE (98 deg. ) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 129 Comment
  CHSC90589  Cryptantha decipiens Troy Griffiths 1988-4-1 106 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 60 Comment
  UCR256892  Cryptantha inaequata Duncan S. Bell, Evan Meyer 2014-4-2 6500 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  RSA586920  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-3 255 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
  RSA692089  Cryptantha intermedia H. A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns.: Bautista Canyon, above confluence with Horse Creek. 878 Comment
  RSA703371  Cryptantha intermedia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1426 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA741564  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-6-16 12144 Riverside Meadow at Quinn Flat. 1378 Comment
  RSA762387  Cryptantha intermedia Mitch Provance 2003-4-26 9896 Riverside northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 274 Comment
  UCR166161  Cryptantha intermedia John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR174947  Cryptantha intermedia Jennifer H. Jones, Toby Bartels 2006-4-23 275 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR47759  Cryptantha intermedia F. R. Fosberg 1929-5-3 S- 01058 Riverside Peninsular Range, Temecula River, c. 10 mi above Temecula Comment
  JOTR35049  Cryptantha maritima La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3501 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA709894  Cryptantha maritima Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4595 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA776338  Cryptantha maritima Duncan S. Bell, Amanda Turek 2010-4-10 817 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR18174  Cryptantha maritima A. C. Sanders 1978-4-2 00202 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  CLARK-A1528-2223  Cryptantha micrantha John C. Roos 1949-4-11 4239 Riverside Chuckwalla Mountains Comment
  JEPS67968  Cryptantha micrantha W. L. Jepson 1901-5-19 1295 Riverside near Chalk Hill (on road to Strawberry Valley); San Jacinto Mt. 1676 Comment
  UCR110994  Cryptantha micrantha var. lepida George K. Helmkamp 1998-6-27 4113 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA779621  Cryptantha micrantha var. micrantha Duncan S. Bell 2010-4-1 657 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
  RSA674928  Cryptantha microstachys Scott D. White, P. De Vries 2000-4-25 7724 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR100438  Cryptantha microstachys B. G. Pitzer 1997-4-11 3118 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR271409  Cryptantha muricata John F. Emmel 2001-6-9 1716 Riverside San Jacinto Mountains, Chalk Hill, south-southwest of Idyllwild 1524 Comment
  OBI66288  Cryptantha pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  UC78604  Cryptantha pterocarya C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  UCR72188  Cryptantha pterocarya var. cycloptera Theo Glenn 1992-3-31 92- 08 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  HSC101269  Cryptantha pterocarya var. pterocarya Jim Andre 2012-3-19 21351 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  JOTR34063  Cryptantha pterocarya var. purpusii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2961 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  JOTR29588  Cryptantha utahensis Andre, Jim 2006-4-26 6765 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR26541  Cucurbita foetidissima A. C. Sanders, S. Hagopian 1981-5-20 2115 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UCR35138  Cucurbita foetidissima L. B. Ziegler 1967-8-29 214 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  RSA640955  Cuscuta ceanothi R. F. Thorne 1963-7-26 32821 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
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May 16 2016
  JEPS47116  Cuscuta salina W. L. Jepson 1901-5-31 1570 Riverside near Elsinore; Temescal Wash 335 Comment
  RSA409772  Cuscuta salina F. W. Peirson 1924-6-21 s.n. Riverside South of Elsinore Comment
  UCR207985  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
  UCR266411  Cycloloma atriplicifolium D. E. Bramlet, Fred M. Roberts 2005-6-6 3872 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  SEINET5624442 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  SEINET5624453 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .4 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
  SEINET716811  Cylindropuntia ramosissima R. Puente, G. and A. Puente-Reinhardt 1998-11-7 741 Riverside 1.5mi e of Chirico Summit Comment
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Jan 7 2016
  RSA791481  Cynanchum utahense J. Andre 2012-4-15 20848 Riverside West end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  UCD60014  Cynodon dactylon T. C. Fuller 1970-10-7 19798 Riverside Palo Verde Valley, southeast of Blythe. Comment
  HSC100854  Cynodon dactylon J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-12 12751 Riverside Lawn at Casa del Diablo property. Comment
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Aug 16 2015
  UCR111755  Cyperus eragrostis S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  POM153391  Cyperus erythrorhizos Phillip A. Munz, I. M. Johnston 1928-9-12 11260 Riverside Temescal Canyon, Lee s Lake. Comment
  CAS-BOT-BC113966  Cyperus odoratus G. R. Kleeberger 1878-12-27 s.n. Riverside Temescal Comment
  UC196458  Cyperus odoratus S. B. Parish 1913-9-20 8616 Riverside Mecca Colorado Desert, Mecca 57 Comment
  RSA655215  Dactylis glomerata Scott D. White 1999-6-6 7450 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  JOTR31892  Dalea mollis La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2142 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash, east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  UC68507  Dalea mollis H. M. Hall Apr. 1905 5956 Riverside <Paloverde> Colorado Desert, <Paloverde> 76 Comment
  RSA27027  Dalea mollissima C. L. Hitchcock 1940-3-29 5846 Riverside 12 miles east of Indio. Comment
  RSA0022206  Datura meteloides D. W. Stevens 1966-5-21 950 Riverside 10 mi S. of Thomas Mt. turn off. Comment
  RSA0103316  Datura wrightii Jim M. Andre 2012-4-11 20708 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  UCSB41771  Datura wrightii Ley, George 1971-4-8 Riverside 1/2 mi into S. Palm Canyon, Palm Springs, past Indian Wells turn off, on outer edges of golf course by roadside. 213 Comment
  SEINET7062848  Daucus pusillus A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile west of Lake Elsinore. Railroad Canyon. UTM Zone 11, 464455mE, 3724990mN. (WGS84/NAD83). 393 Comment
  UCR127499  Daucus pusillus A. C. Sanders, D. Malueg 2003-5-8 26578 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
  UCR187479  Daucus pusillus Theresa Johnson 2006-5-10 090 Riverside Peninsular Range, Alberhill, old clay mine area off Coal Road, north of Terra Cotta 488 Comment
  UCR59694  Daucus pusillus Steve Boyd, T. Ross, et al 1989-5-7 3538 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  SDSU12947  Deinandra fasciculata Jutta Buschbom 1991-6-1 19 Riverside Santa Margarita Ecological Reserve, Temecula. 152 Comment
  CAS-BOT-BC294109  Deinandra kelloggii G. R. Ballmer 1992-6-23 92 -8 Riverside San Timoteo Canyon Road, .8 mi. E of junction with Redlands Blvd. Comment
  SEINET6050431  Deinandra kelloggii Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. Long Canyon watershed. Along Long Canyon Road. 136 meters (0.08 air miles) northwest of jct. with Ortega Hwy (SR74). In meadow south of roadway. Comment
  CDA7818  Deinandra mohavensis K. Esau 1935-6-15 Riverside Hemet Valley. 0 Comment
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Dec 14 2011
  UC63236 Image available Deinandra mohavensis H. M. Hall 1901-8-6 2657 Riverside of the s side San Jacinto Mountains 1341 Comment
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Dec 24 2008
  UCR261192  Deinandra paniculata A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41718 Riverside Esinore, large vacant lot NW of Hwy 74 and SW of the intersection of 74 and Collier Ave. 386 Comment
  UCR266425  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4402 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.5 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 495 Comment
  UC1031413  Delphinium parishii H. Lewis and C. Epling 1941-5-4 Riverside 5 mi s White Tank (on road to Pinto Basin); Joshua Tree Nat. Mon. Comment
  UCR16947  Delphinium parishii D. H. Wilken 1966-3-26 770 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., East ridge along Whitewater Canyon 610 Comment
  CAS-BOT-BC7984  Delphinium parishii subsp. parishii Milo S. Baker 1928-4-3 2802 b Riverside Tahquitz Canyon near Palm Springs Comment
  RSA0019613  Delphinium parishii subsp. parishii R. S. Woglum 1937-5-22 582 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA772003  Dendromecon rigida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4969 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
  SEINET2078965  Dendromecon rigida G. Rink 1999-5-22 Riverside 8 miles S of Banning on Highway. 243 Comment
  UC917871  Dendromecon rigida Frank W. Gould 1943-4-18 2140 Riverside e Idlewild; Riverside County Park Comment
  UCSB7040  Dendromecon rigida Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat, from Corona side, Santa Ana Mtn. Range 701 Comment
  RSA433241  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1414 Riverside above Banning 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
  RSA523495  Dendromecon rigida subsp. rigida Steve Boyd, L. Arnseth, Tim Ross 1990-3-30 3955 Riverside Vail Lake Area, granitic ridge at S end of Black Hills S of Big Oak Mtn. 732 Comment
  POM162736  Deschampsia elongata Ralph Hoffmann 1929-9-7 32 Riverside Strawberry Valley, San Jacinto Mountains. 1646 Comment
  OBI23316  Descurainia Robert F. Hoover 1969-4-14 11241 Riverside Palm Springs, just S of South city limit Comment
  UC1931069  Descurainia adenophora Scott D. White, Justin Wood 2008-7-8 12386 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  RSA171373  Descurainia pinnata J. Olmstead 1962-5-3 3535 Riverside Above old Santa Rosa Indian Village, SW side of Santa Rosa Mt. 1905 Comment
  UC856007  Descurainia pinnata K. Watkins and E. McClintock 1937-4-9 Riverside 1 mi w San Jacinto Comment
  UCR244400  Descurainia pinnata subsp. glabra Jim Andre 2012-4-16 20981 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA180310  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1965-4-18 5666 Riverside 10 miles west of Murrieta. Comment
  RSA33601  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  RSA524588  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3902 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR18534  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  POM15075  Dicoria canescens Mary F. Spencer 1920-4-20 1931 Riverside Palm Springs. 122 Comment
  RSA522298  Digitaria sanguinalis Steve Boyd 1989-7-9 3768 Riverside City of Riverside. Comment
  UCR158338  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 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
  SEINET3829022  Diplachne fusca J. R. Reeder, C. G. Reeder 1987-1 8054 Riverside Ca. 2 km south of Ripley. 15 Comment
  CAS-BOT-BC150930  Diplacus bigelovii var. bigelovii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC152266  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak 1234 Comment
  CAS-BOT-BC150870  Diplacus puniceus John C. Roos 1952-5-14 5665 Riverside Hills 2 miles northwest of Perris 502 Comment
  SEINET13778024 Image available Diplacus puniceus L. R. Abrams 1941-1 13876 Riverside Palomar School near Perris Comment
  UCR127584  Diplotaxis erucoides Steve Morgan 1998-3-18 s.n. Riverside Riverside, weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  UCR116682  Distichlis spicata A. C. Sanders, Chet McGaugh 2001-7-26 24474 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR126932  Distichlis spicata Julie A. Greene, James C. Dice 1993-6-25 1380 Riverside San Jacinto Valley, San Jacinto Wildlife Area, sloping drainage from Davis Road 436 Comment
  GMDRC9814  Ditaxis lanceolata J. M. Andre 2017-3-1 38018 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  JOTR37429  Ditaxis lanceolata La Doux, Tasha 2016-3-9 3664 Riverside Above Hayfield Dry Lake - Stop 3 524 Comment
  RSA668431  Ditaxis lanceolata S. Granger 1979-4-12 s.n. Riverside Chuckawalla Mountains. 610 Comment
  UCR216222  Ditaxis lanceolata Jim Andre, T. La Doux 2009-2-25 10806 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA554243  Ditaxis lanceolata Theo. Glenn 1991-5-27 91 -122 Riverside Palen Mountains, NE of Desert Center. 360 Comment
  JOTR35055  Ditaxis neomexicana La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3507 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  SEINET1109560  Ditaxis neomexicana George K. Helmkamp 1998-1 3180 Riverside Sonoran (Colorado) Desert: 2.3 mi. N of Hwy I-10 on nEagle Mtn Rd. 274 Comment
  UCR58872  Ditaxis neomexicana J. M. Stewart 1989-10-16 612 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, canyon on NE side Comment
  RSA734742  Ditaxis serrata L. C. Wheeler 1946-1-19 6170 Riverside 2 mi. north of main highway on road to 29 Palms. Comment
  UCD142317  Ditaxis serrata Robert F. Thorne; Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54018 Riverside San Bernardino Mts.; at mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 414 Comment
  RSA793607  Ditaxis serrata var. californica Duncan S. Bell, Aaron Sedgwick 2012-9-13 4206 A 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
  UCD142301  Ditaxis serrata var. californica C. W. Tilforth 1976-7-20 1211 Riverside Colorado Desert. Along power line road N.E. of Chiriaco Summit between Indio and Desert Center Comment
  CAS-BOT-BC43690  Dithyrea californica S. B. Parish; W. F. Parish 1882-4-1 15 Riverside Borders of Colorado Desert, Whitewater. Comment
  UCR17077  Dithyrea californica James K. Ryan 1969-3-15 52 Riverside Sonoran (Colorado) Desert, Windy Point, off Hwy 111 between Banning and Palm Springs c. 8 mi NE of Palm Springs (only point where mtn ridge reaches hwy), Coachella Valley 152 Comment
  UCR33814  Dithyrea californica Faulkner 1978-3-20 331 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  UCR84842  Dithyrea californica A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16142 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA697425  Draba corrugata J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
  UC219594  Draba corrugata var. saxosa P. A. Munz 1922-6-28 5870 Riverside Toro Peak Santa Rosa Mts., Toro Peak 2529 Comment
  RSA776087  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 819 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCR41829  Draba cuneifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6118 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  POM12103  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-15 1862 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC1618030  Drymocallis glandulosa var. reflexa Donald G. Nelson 1936-5-21 376 Riverside e of Lake Hemet (and n of Mount Thomas, just e of Hurkey Creek Camp area) Comment
  UCR262566  Dryopteris arguta T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3755 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  SD181580  Dudleya edulis Scott D. White, Teresa Salvato 2001-6-8 8564 Riverside Santa Ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. Occasional (patchy) on rocky slopes and broad, A+-flat granite boulders and outcrops. 334 Comment
  CLARK-A1528-1173  Dudleya saxosa subsp. aloides Sally Bell 1964-5-3 Riverside 761 Comment
  SD119401  Dudleya saxosa subsp. aloides Reid Moran 1960-8-10 8366 Riverside San Jacinto Mountains; near Alvin Meadow. 1525 Comment
  UCR72237  Dyssodia porophylloides Theo Glenn 1991-5-27 91- 121 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  RSA741558  Echinochloa colona Justin M. Wood 2008-9-30 174 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR182095  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  SD204871  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55207 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
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Mar 31 2015
  UC1536019  Elatine chilensis Robert F. Thorne and Earl Lathrop 1975-5-25 45546 Riverside Mesa de Burro Santa Rosa Plateau (Rancho California) Comment
  UCR258014  Eleocharis Mitch Provance, Seychelle Provance, Adey Tadesse 2003-5-24 503- 01 Riverside NW edge of Riverside, Santa Ana River bottom, just east of the 60 Freeway bridge 246 Comment
  UCR78097  Eleocharis bella Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6339 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  SD148281  Eleocharis montevidensis A. C. Sanders, Mitch Provance 2001-5-7 24170 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, bet. Silver Dew Dr & Morse Girard St, slopes & wash below mouth of Avery Canyon; Hemet 7.5' quad. In wet mud at the spring, but only there. 502 Comment
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Mar 24 2011
  POM319701  Eleocharis montevidensis var. montevidensis Patricia Wilder 1979-10-30 4834 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. East of Chino Hills. Santa Ana River Drainage Area. 152 Comment
  SD187302  Eleocharis parishii Scott D. White, Angelia Carey 2004-5-7 10323 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR111564  Eleocharis parishii Mitch Provance 1999-5-4 1683 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA450649  Elymus X hansenii J. C. Roos 1952-6-13 5765 Riverside Reche Canyon., [34 deg 02'55N, 117 deg 17'20W 457 Comment
  SD91991  Elymus condensatus Richard C. Schwenkmeyer 1975-6-22 Riverside Dripping Springs Campground, on Highway 71. 500 Comment
  UCD62752  Elymus elymoides Peter H. Raven 1958-5-5 12881 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  UCR122532  Elymus elymoides subsp. elymoides George K. Helmkamp, E. A. Helmkamp 2001-5-20 6680 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  RSA599100  Elymus glaucus subsp. jepsonii V. W. Steinmann, D. L. Banks 1996-4-20 843 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  UCR207264  Elymus repens O. F. Clarke 2005-6-5 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SD232144  Elymus trachycaulus Scott D. White, Justin M. Wood 2008-6-19 12273 Riverside San Jacinto mountains, Meadows at Baldy mountain 483 Comment
  JEPS86533  Emmenanthe penduliflora Roy E. Buck 1988-4-1 870 Riverside 7 air km W Lake Elsinore (town) (E-facing slope above CA Hwy 74, near top of grade W of Lake Elsinore, ca 2.0 air km NW of confluence of Harlan Canyon and Johnson Canyon drainages); Elsinore Mountains 780 Comment
  RSA500540  Emmenanthe penduliflora Steve Boyd, Tim Ross, L. Arnseth 1989-6-4 3612 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA701471  Emmenanthe penduliflora M. Wall 1996-7-1 191 Riverside Cherry Valley, Beaumont/Oak Glen Rd, 2.6 mi N of Cherry Vly Blvd, top of steep E slope of Little San Gorgonio Creek. Comment
  RSA774722  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4500 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UC880684  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi below Cottonwood Springs; Joshua Tree National Monument Comment
  UCR174107  Emmenanthe penduliflora A. C. Sanders 2006-5-19 32424 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
  UCR215609  Emmenanthe penduliflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 12 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UCSC000885  Emmenanthe penduliflora Peter Kamb 1948-4-11 875 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley 305 Comment
  JOTR30211  Emmenanthe penduliflora var. penduliflora Leary, Pat 1974-3-17 334 Riverside In wash area 0.5 mi West of junction of U.S. 60 and CA State Hwy 195 near southern end of Joshua Tree National Monument; T6S R11E sec 14. NOT IN JOSHUA TREE NATIONAL PARK. 472 Comment
  RSA679112  Emmenanthe penduliflora var. penduliflora M. Wall, Sean Wall 2003-4-26 307 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. 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
  CAS-BOT-BC131161  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  RSA707892  Encelia actoni Scott D. White, Angelia Carey 2004-4-16 10165 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  SD144051  Encelia actoni Scott D. White 1997-5-25 5225 Riverside Bautista Canyon: Along Bautista Cyn Rd., < 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43). Comment
  UCR263476  Encelia actoni A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41503 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  CAS-BOT-BC131334  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
  JOTR31865  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UC912504  Encelia farinosa Herbert L. Mason 1926-5-2 3202 Riverside Temecula Valley Comment
  UCD20082  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -216 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  RSA475298  Encelia farinosa var. farinosa Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2127 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  CAS-BOT-BC131420  Encelia frutescens E. A. McGregor 1917-3-18 701 Riverside 5 mi up Painted [Canon] Canyon Comment
  RSA0098480  Ephedra californica Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18292 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.9 km south of Augustine Pass. 660 Comment
  UCSB9561  Ephedra californica Garrett, S. 1956-4-14 Riverside Desert area in town of White Water mouth of White Water Cyn. Comment
  RSA796329  Ephedra trifurca Duncan S. Bell 2009-4-18 222 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
  UCR252213  Epilobium canum J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  POM153434  Epilobium canum subsp. latifolium Martha Hilend 1927-12-31 s.n. Riverside Cottonwood Springs. South edge of Mojave Desert. Comment
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Sep 20 2011
  RSA44860  Epilobium canum subsp. latifolium J. C. Roos, L. Roos 1947-11-1 3754 Riverside Eagle Mountains, Lost Palms Canyon. Comment
  RSA740925  Epilobium ciliatum Scott D. White, Justin M. Wood 2008-7-9 12424 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
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Sep 8 2009
  JOTR35179  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3278 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA522101  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross 1989-8-28 3794 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA588370  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1949-6-29 4319 Riverside Hemet Lake, San Jacinto Mountains. 1524 Comment
  RSA263734  Epipactis gigantea E. W. Lathrop 1968-5-12 6854 Riverside 4 miles W of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive 305 Comment
  UC455182  Epipactis gigantea I. J. Condit 1910-6-24 Riverside San Jacinto Mts.; near spring 914 Comment
  UC488890  Epipactis gigantea C. V. Meyer June, 1927 213 Riverside Half-way House Idyllwild Grade 1066 Comment
  UCR24195  Epipactis gigantea John C. Roos 1942-5-2 1129 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. South entrance, Cottonwood Spring 915 Comment
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Apr 5 2011
  UCR108391  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains, Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  JOTR29222  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1335 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  RSA326148  Eragrostis cilianensis John F. Emmel 1981-6-27 787 Riverside Hemet, near intersection of Stanford Strret and Stetson Ave. 488 Comment
  RSA543738  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UC634844  Eremalche exilis Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert, 1000 Palm Canyon Comment
  JOTR35037  Eremalche rotundifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3490 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA0045065  Eremogone macradenia var. macradenia P. H. Raven 1958-5-5 12899 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  UC1971363  Eremothera refracta W. Wisura 1998-3-28 5115 Riverside 3.3 mi W of Corn Spring S of I-10. Comment
  UCSB25712  Eriastrum densifolium subsp. austromontanum Gliessman, Stephen 1968-7-17 Riverside Little Thomas Mountain Road, 2.0 miles southwest of junction with Highway 74, Little Thomas Mountain 1402 Comment
  CAS-BOT-BC514321  Eriastrum densifolium subsp. austromontanum Philip A. Munz 1927-5-29 15105 Riverside Dos Palmos Spring, N end Santa Rosa Mts. 1097 Comment
  RSA0106920  Eriastrum densifolium subsp. austromontanum J. D. Olmsted 1959-8-18 785 Riverside San Jacinto Mt. Range. M. Fk. San Jacinto River. Along May valley truck trail, 4 mile north of crest of road west of South Ridge; 2 mi south of Idyllwild. 1676 Comment
  UCSB41261  Eriastrum eremicum Cowan, Clark 1978-6-23 Riverside 6.3 mi. S. on Hwy 74 from its jct. with Hwy 111 at Indian Wells; Whittaker transect #W 219 480 Comment
  UCD118270  Eriastrum eremicum subsp. eremicum Collector Unknown 2016-5-19 292 Riverside Little Morongo Wash, near Warren's Ranch. Comment
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Feb 15 2013
  RSA0120074  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave. and Ramon Road, Palm Springs. Comment
  RSA0120078  Eriastrum eremicum subsp. eremicum R. F. Thorne 1964-5-3 33852 Riverside Desert wash near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernrardino Co. line. Comment
  CAS-BOT-BC187938  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 miles S of Rice on Blythe Road 213 Comment
  SEINET4207491  Eriastrum harwoodii Duncan S. Bell 2010-4-2 682 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 3 miles northwest of Priest Well; collecting along a sandy slope above the main western drainage for the Arica mountains.; 0 464 Comment
  UCR245652  Eriastrum harwoodii Duncan S. Bell 2010-4-2 695 Riverside Sonoran (Colorado) Desert, Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  UCR125208  Eriastrum sapphirinum Mitch Provance 1998-5-24 536 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  OBI11547  Eriastrum sapphirinum subsp. dasyanthum R. F. Hoover 1968-6-7 11159 Riverside Hemet, Head of St. Johns Canyon, south of Hemet. Comment
  UC2062557  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5113 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08. Comment
  POM281150  Ericameria cuneata var. spathulata Ethel Rush 1951-4-12 166 Riverside Split Rocks Tank, Joshua Tree Natl. Mon. Little San Bernardino Mt. Range, Salton Sea Drainage Area. 1067 Comment
  RSA754133  Ericameria cuneata var. spathulata W. Schlegel, Kate Kramer 2009-11-9 62 Riverside Idyllwild: Keenwild Helibase in some rocks right below the landing platform/on the edge of the landing platform. Comment
  POM359404  Ericameria linearifolia Norman C. Cooper 1945-3-26 s.n. Riverside Aguanga. Comment
  RSA239812  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Hwy 74 between Alpine Village & Paradise Valley , 1 miles E of jct with Santa Rosa Mtns, fire road. Comment
  RSA336406  Ericameria linearifolia R. F. Thorne, A. Shmida 1978-4-23 52075 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  SBBG62944  Ericameria nauseosa var. mohavensis J. E. Butner 1948-10-3 657 Riverside San Jacinto Mtns on St Hwy 74 Comment
  UCR113191  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  RSA596184  Ericameria pinifolia D. L. Banks 1996-11-7 1210 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  LA102173  Eriochloa aristata var. aristata John C. Roos; 1965-9-26 sn Riverside Indio Comment
  RSA253145  Eriodictyon crassifolium Gary D. Wallace 1975-2-22 1398 Riverside San Jacinto Mtns., alaong hwy, 243, 3-5 mi. N of Poppet Flat Road turn off. Comment
  UCR270180  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42396 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  CAS-BOT-BC219331  Eriodictyon trichocalyx var. trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts. 1676 Comment
  LA205719  Eriodictyon trichocalyx var. trichocalyx Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
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Jun 22 2015
  UC1980061  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. Comment
  SD22475  Eriogonum apiculatum Susan G. Stokes 1933-7-1 Riverside Idyllwild to summit 1676 Comment
  UC1032043  Eriogonum fasciculatum var. fasciculatum N. French 1934-1-10 16 Riverside ne Temecula Indian Res.; San Luis Rey Quadrangle Comment
  POM13746  Eriogonum fasciculatum var. foliolosum E. C. Jaeger 1921-7-15 1193 Riverside Soboba Hot Springs Comment
  RSA0034568  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-8-21 C 2058 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  OBI62134  Eriogonum fasciculatum var. polifolium P. A. Holden 1969-5-13 847 Riverside SE of the Mission Crk Indian Rservation and 2 mi W of hwy 62 Comment
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Apr 22 2013
  UCSB1527  Eriogonum fasciculatum var. polifolium Hawkins, L. 1956-4-13 Riverside Water Canyon Comment
  SEINET5549456  Eriogonum gracile H. S. Gentry 1954-1 14256 Riverside Dripping Springs, along Route 79. Comment
  POM184174  Eriogonum gracile var. gracile M. French Gilman 1932-11-30 12 Riverside Cabazon. Comment
  RSA486460  Eriogonum gracile var. gracile Richard Noyes, L. Arnseth 1988-10-30 756 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA602690  Eriogonum gracile var. gracile Louis C. Wheeler 1933-12-1 2282 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  RSA741737  Eriogonum gracile var. gracile M. Wall 2008-10-6 494 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  RSA0100140  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8558 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA180361  Eriogonum gracile var. incultum E. W. Lathrop 1960-6-9 4973 Riverside 14 miles west of Murrieta. Comment
  RSA487231  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6602 Riverside San Gorgonio Pass, along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River. 541 Comment
  RSA90136  Eriogonum gracile var. incultum E. K. Balls, Percy C. Everett 1953-8-19 18529 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  UCR12003  Eriogonum inflatum W. Shapeero 1954-4-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [Park] Comment
  UCR124640  Eriogonum inflatum B. C. Templeton, I. W. Clokey 1930-4-9 1005 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR75071  Eriogonum inflatum A. C. Sanders, E. J. Lawlor 1992-4-4 12138 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB1444  Eriogonum inflatum Ralph, F. 1960-4-1 Riverside Whitewater Canyon; 1.6 miles N of U. S. 99; Western edge of Colorado Desert Comment
  UCSB1449  Eriogonum inflatum Ullman, Sydney 1956-4-14 Riverside East of Indio Comment
  UC666511  Eriogonum inflatum var. deflatum Annie M. Alexander and Louise Kellogg 1941-5-28 2263 Riverside e on Metropolitan Aqueduct road Hayfield (on bank below road); Colorado Desert Comment
  POM305640  Eriogonum inflatum var. inflatum Henry J. Ramsey, Henry J. Ramsey 1937-3-2 859 Riverside Desert center, Mojave Desert Comment
  SBBG64001  Eriogonum inflatum var. inflatum R. Hoffmann 1928-10-21 Riverside Whitewater Comment
  UCR18179  Eriogonum maculatum A. C. Sanders 1978-4-30 554 Riverside Santa Rosa Mtns, Pinyon Flat area; at the dolomite mine at the west end of the Cactus Springs Trail 1189 Comment
  JOTR35312  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. large wash about 1 mile SW of Eureka Peak. 1380 Comment
  CAS-BOT-BC258087  Eriogonum plumatella Philip A. Munz 1946-10-20 11595 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1295 Comment
  RSA339333  Eriogonum plumatella Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53565 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
  UCSB18199  Eriogonum pusillum Smalley, G. 1964-5-10 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  RSA676036  Eriogonum reniforme Scott D. White 2001-4-11 8292 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  UCD80952  Eriogonum reniforme Chuck Hughes 2009-3-23 63 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR199838  Eriogonum reniforme Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11294 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  SDSU6742  Eriogonum roseum H. Wedberg 1962-7-28 983 Riverside About 7 miles from Hemet on the road to Mountain Center, in the wash opposite the 2000' sign. 610 Comment
  RSA424960  Eriogonum thomasii M. B. Dunkle 1933-3-4 3034 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA510049  Eriogonum thomasii B. Pitzer 1988-3-10 657 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
  RSA0009607  Eriogonum thomasii Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  SEINET5331694  Eriogonum thomasii I. W. Clokey 1935-4-17 6581 Riverside Cottonwood Springs. Comment
  RSA708566  Eriogonum thurberi Scott D. White, Jennifer H. Jones 2005-5-24 11100 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  SD225077  Eriogonum thurberi G. K. Helmkamp 1998-4-3 3075 Riverside Snow Creek area N of Mt. San Jacinto; at edge of stream S of Snow Creek Rd at a point 1.4 mi. S of CA Hwy 111 395 Comment
  SEINET5331712  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Fairmount Park. 244 Comment
  RSA778621  Eriogonum trichopes Duncan S. Bell 2009-3-8 62 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  RSA420619  Eriogonum wrightii var. membranaceum M. B. Dunkle 1934-11-3 4235 Riverside Ribbonwood. Santa Rosa Mountain. 1524 Comment
  RSA593382  Eriogonum wrightii var. membranaceum Scott D. White 1996-7-23 4363 Riverside San Jacinto/ Santa Rosa Mountains: Pine Meadow: Along Hwy 74 just SE of Garner Valley and about 2 road miles NW of jct. w/ Hwy 371. 1418 Comment
  UC1080367  Eriogonum wrightii var. membranaceum E. K. Balls and P. C. Everett 1957-8-20 22674 Riverside Hamilton Grade along rd. from Palms to Pines Hwy. to Aguanga; Hamilton Grade 1463 Comment
  UCR22009  Eriogonum wrightii var. membranaceum Steve Boyd 1980-9-1 341 Riverside Harford Springs County Park. Located on the NW corner of the Gavilan Plateau. Along old dirt roadbed, S border. Comment
  CAS-BOT-BC298486  Eriophyllum ambiguum var. paleaceum L. R. Abrams 1926-3-26 11013 Riverside Palm Springs Comment
  CAS-BOT-BC297335  Eriophyllum confertiflorum Louis C. Wheeler 1931-10-4 217 Riverside Hemet - Idyllwild Rd, San Jacinto Mts 1402 Comment
  CAS-BOT-BC297336  Eriophyllum confertiflorum H. M. Hall 1901-7-1 2519 Riverside San Jacinto Mts. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC297340  Eriophyllum confertiflorum Ynez Whilton Winblad 1937-4-23 s.n. Riverside Between Beaumont and Riverside Comment
  UCR175076  Eriophyllum confertiflorum Teresa Nieto 2005-4-24 19 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SDSU13043  Eriophyllum confertiflorum var. confertiflorum Janet M. Knotts, Jill Steinberg 1998-3-11 11 III1998C Riverside Ca. 1/4 mile along foot trail leading southeast from road, ca. 1/4 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  UCR110960  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp 1998-6-27 4088 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA771119  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4922 -a 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
  SD37567  Eriophyllum wallacei Edith A. Purer 1935-4-21 6452 Riverside East slope of San Jacinto Mountain. Comment
  SD28019  Erodium cicutarium Carl B. Wolf 1932-4-27 3035 Riverside Mecca, 0.75 mile west of Utopia. 500 Comment
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Dec 11 2011
  UCR216951  Erodium macrophyllum Kim Sparks, Ana Hernandez 2010-4-8 07 Riverside Perris-Aguanga Basin, Gavilan Hills, 330m east of Cajalco Rd. and 55m south of dirt access road. 435 Comment
  UCR214276  Erodium texanum A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37482 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
  UC488990  Erysimum capitatum C. V. Meyer June 1927 170 Riverside San Jacinto Mts. 1676 Comment
  RSA0020062  Erythranthe guttata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2114 Riverside Santa Rosa Mountains. Comment
  UCD96510  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  RSA0022971  Eschscholzia androuxii Percy C. Everett, E. K. Balls 1958-5-7 23114 Riverside S end Joshua Tree National Monument 1067 Comment
  RSA0022975  Eschscholzia androuxii F. W. Peirson 1927-4-11 7153 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  UC1292611  Eschscholzia californica C. L. Hitchcock and C. V. Muhlick 1964-3-17 23096 Riverside 3 mi se Glen Ivy Hot Springs Comment
  POM9572  Eschscholzia californica var. peninsularis P. A. Munz, R. D. Harwood 1920-2-28 3271 Riverside 3 miles west of Corona. 305 Comment
  CAS-BOT-BC83139  Eschscholzia minutiflora Javier Penalosa 1963-4-11 2815 Riverside Pines to Palms Highway (#74) above Palm Desert. 762 Comment
  RSA445669  Eschscholzia minutiflora M. B. Dunkle 1932-3-25 2915 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA795736  Eschscholzia minutiflora Jim Andre 2012-3-18 21287 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  SJSU1863  Eschscholzia minutiflora J. W. Tilden 1957-4-18 1094 Riverside near Whitewater E of San Gorgonio Pass Comment
  UC1093132  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon Comment
  UCD96498  Eschscholzia papastillii Shannon M. Still 2009-4-19 546 A Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 724 Comment
  CAS-BOT-BC419617  Eschscholzia parishii Javier Penalosa 1962-4-10 2772 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC419622  Eschscholzia parishii Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  UCR251644  Eschscholzia parishii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 826 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCSB3659  Eschscholzia parishii Haller, John 1957-3-23 Riverside at the mouth of Morongo Canyon; ca 8 mi. N of US 99 & o air mile S. of Riverside-San Bernardino Co. line 762 Comment
  UCSB3660  Eschscholzia parishii Wilson, Richard 1958-3-22 Riverside 7 miles East of Desert Center on U.S Highway 60-70 Comment
  OBI082996  Eucalyptus camaldulensis A. C. Sanders, Timothy W. Chumley 2013-3-29 40713 Riverside Peninsular Range; Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  UCR112832  Eucalyptus camaldulensis A. C. Sanders 1997-5-1 20613 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR111558  Eucrypta chrysanthemifolia Mitch Provance 1999-5-4 1706 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA359879  Eucrypta chrysanthemifolia Steve Boyd 1986-4-2 1602 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SDSU13329  Eucrypta chrysanthemifolia var. chrysanthemifolia Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 24 Riverside Along a poorly defined trail east of the north research station. At the Santa Margarita Ecological Research Station (SDSU). 322 Comment
  UCR98684  Eucrypta chrysanthemifolia var. chrysanthemifolia S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR33572  Eucrypta micrantha Faulkner 1978-3-15 273 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 Comment
  RSA698222  Eulobus californicus J. R. Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  UCSB4514  Eulobus californicus Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of US 99, & 3 air miles S of Riverside-San Bernardino county line 609 Comment
  RSA659708  Euonymus occidentalis J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  POM49793  Euonymus occidentalis var. parishii P. A. Munz, I. M. Johnston 1924-7-27 8790 Riverside Dark Canyon, San Jacinto Mountains. 1616 Comment
  RSA113529  Euonymus occidentalis var. parishii E. K. Balls, C. H. Dodson 1955-9-20 21442 Riverside Just below Dark Canyon campground. 1616 Comment
  UCR265821  Euphorbia albomarginata Mitch Provance 2012-5-24 512- 02 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA0042104  Euphorbia eriantha Duncan S. Bell, Deidre Conocchioli 2014-3-11 6231 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  SD260042  Euphorbia eriantha J. Andre 2012-4-11 20777 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  JOTR32107  Euphorbia micromera Harding, Mitzi, Kipp Callahan 2012-8-27 282 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  HSC78931  Euphorbia misera R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mtns., mouth of Whitewater canyon, E of Whitewater Post Office at S end of ridge 412 Comment
  RSA697601  Euphorbia polycarpa Elisabeth Norland 1930-5-18 2 Riverside Shavers Well Comment
  UCR120563  Euphorbia polycarpa Helen Kennedy, T. B. Salvato 2002-2-2 5448 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
  UCR213543  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37828 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR241516  Euphorbia polycarpa A. C. Sanders, Ann Howald 2013-2-27 40544 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR262886  Euphorbia polycarpa Sarah J. De Groot, Cheryl Sevilla 2014-9-11 7299 Riverside Sonoran (Colorado) Desert, along Midland Road near Cox, southwest of Big Maria Mountains, east-southeast of Little Maria mountains, north of McCoy Wash, c. 5.4 miles northwest of 'Buzzardville,' 10.9 miles north of the Riverside County disposal site, c. 15 miles northwest of Blythe 245 Comment
  UCR120425  Euphorbia prostrata Mitch Provance 1998-7-23 912 D Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCD142864  Euphorbia setiloba G. L. Webster; R. Hildreth 1966-12-10 7469 Riverside Box Canyon Wash. C. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  UCR267165  Euphorbia spathulata Mitch Provance, Matt Amalong 2015-3-24 315- 14 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., S of the lower watertank 406 Comment
  RSA391189  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  SBBG67802  Fagonia laevis L. Rowntree 1930-5-8 Riverside near Palm Springs Comment
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Aug 27 2011
  CHSC103495  Fagonia pachyacantha Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR99208  Fatoua villosa Steve Morgan 1990-11-30 s.n. Riverside Riverside, UCR Botanical Garden 366 Comment
  RSA0120622  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-3-15 8933 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  UCR251316  Festuca octoflora var. octoflora T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-26 7419 Riverside Perris-Aguanga Basin, Lakeland Village, Stoneman St between Union St and Palomar St, c. 0.75 mi southeast of Lake Elsinore 389 Comment
  UCR213855  Ficus carica Scott D. White, Justin M. Wood 2009-5-22 12924 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  UCR209295  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR113901  Filago californica Mitch Provance 1998-4-13 433 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR97476  Filago californica A. C. Sanders 1997-3-1 19700 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR133668  Filago gallica 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
  UCR174313  Filago gallica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32652 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  SD173101  Forestiera neomexicana Juergen Schrenk 2005-4-2 17 Riverside Northern Anza Borrego Desert, White Wash Comment
  NY43292  Fouquieria splendens C. R. Annable 1995-3-11 2269 Riverside Rest stop on I-10 Comment
  RSA799921  Fouquieria splendens Justin M. Wood, D. M. Ray 2011-4-28 3832 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  HSC86126  Fragaria vesca Jane Hildreth 1981-6-4 17 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  UC1951169 Image available Fragaria vesca Justin M. Wood with Dustin Ray 2009-6-13 885 Riverside SAN JACINTO MOUNTAINS: Idyllwild County Park, Lilly Creek and adjacent slope to W of campground. USGS Idyllwild 7.5' Quad. Comment
  RSA69435  Frasera parryi F. W. Peirson 1924-6-28 5008 Riverside Pine flats Camp, San Jacinto Mts. 1799 Comment
  UCR127546  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  POM12925  Fremontodendron californicum Philip A. Munz 1922-6-24 5805 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  SEINET10580704  Funastrum hirtellum Unknown 1992-4-4 Sanders 12155 Riverside McCoy Mountains, with 1/2 mi of McCoy Spring 244 Comment
  UCR260527  Galium angustifolium T. B. Salvato 2014-5-29 8043 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA0018467  Galium angustifolium subsp. angustifolium N. R. Zabriskie, W. M. Zabriskie 1972-3-28 481 Riverside North Canyon, Andreas Canyon drainage, east slope San Jacinto Mountains 610 Comment
  RSA594040  Galium angustifolium subsp. gracillimum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 929 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR189558  Galium angustifolium subsp. jacinticum Amy Rowland 2007-6-22 089 Riverside Peninsular Range, San Jacinto Mounains, Cahuilla Mountain Trail, c. 0.5mi north of peak of Cahuilla Mountain 1669 Comment
  UCR214331  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38370 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR42483  Galium multiflorum P. J. Leary 1975-5-28 1210 Riverside Transverse Range, Little Berdoo triangulation station, 0.5 miles southwest of Bernard Peak, Joshua Tree National Monument 1616 Comment
  UC28215  Galium parishii H. M. Hall 1901-6 2424 Riverside ridges and peaks near Tahquitz; San Jacinto Mountains 2560 Comment
  RSA0117106  Galium porrigens Mitch Provance 2011-6-3 611 -01 Riverside Badlands of Western Riverside County: Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy 60. 756 Comment
  UC1925784  Galium porrigens Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1287 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  JOTR35081  Galium stellatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3532 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  RSA19550  Galium stellatum Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs Canyon. Comment
  UCR18855  Garrya flavescens John C. Roos 1950-3-6 4788 Riverside Santa Ana Mtns., head of Hagador Canyon. 1037 Comment
  OBI14155  Garrya fremontii Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts E side, along Eagle Motor Way, 1 mi below summit 914 Comment
  RSA679069  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC1280012  Gayophytum diffusum subsp. parviflorum Peter H. Raven with R. Snow 1957-7-26 11088 Riverside Banning to Idyllwild road 0.9 mi n Vista Grande Ranger Station; San Jacinto Mountains Comment
  UCR225187  Gazania linearis Steve Boyd, Susan Jett 2008-3-20 11833 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  POM358663  Geraea canescens F. R. Fosberg 1932-3-13 8088 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA651116  Geraea canescens Fred Watkins 1949-2-16 s.n. Riverside Palm Springs. 609 Comment
  RSA778247  Geraea canescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 933 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UC1118441  Geraea canescens H. S. Yates 1936-4-7 5440 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle Comment
  UCR174433  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
  UCR154400  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16214 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  CLARK-A1528-3499  Gilia achilleifolia subsp. multicaulis John C. Roos 1940-4-20 903 Riverside Reche Canyon Comment
  RSA556489  Gilia angelensis Julie Greene 1993-3-13 1061 Riverside On slope by trailers. 426 Comment
  RSA645681  Gilia angelensis Scott D. White 1999-5-2 7289 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  SEINET2445411  Gilia angelensis Daphne K. Christopher, Hannah Stevens 2003-4-6 106 Riverside Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  SEINET7072818  Gilia angelensis A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 7" North Latitude, -116? deg. 49' 54" West Longitude, Coordinate datum: NAD27.). Comment
  UC880101  Gilia angelensis K. Watkins and E. McClintock 1937-4-9 Riverside Riverside-Hemet Road near Winchester turnoff; Riverside-Hemet Road Comment
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Mar 20 2011
  RSA731011  Gilia australis Michael Wall 2008-4-4 455 Riverside San Jacinto Valley, Bautista Creek east of Hemet ca. 8.0 miles SE of junction with Fairview Ave. 778 Comment
  UCR106884  Gilia capitata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20666 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR37498  Gilia capitata Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  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
  UC1595756  Gilia latifolia W. Wisura, J. Dolan, M. Wall 1992-3-24 4625 Riverside on Box Canyon Rd. 7.7 mi ne Mecca; ne of Mecca Comment
  CAS-BOT-BC407802  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just S of I-15. Comment
  UC23661  Gilia ochroleuca subsp. exilis H. M. Hall Jun, 1901 2060 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicinity Chalk Hill 1524 Comment
  UC52863  Gilia ochroleuca subsp. exilis H. M. Hall April, 1902 2905 Riverside above Sage P.O. (vicinity of Winchester); vicinity of Winchester Comment
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Mar 20 2011
  RSA0017103  Gilia ochroleuca subsp. exilis Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  UCR44363  Gilia sinuata A. C. Sanders 1986-6-1 6559 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA0124002  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-4-13 9248 B Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA469747  Gilia stellata Rockwell 1926-5-1 s.n. Riverside Colorado Desert Comment
  RSA487535  Gilia stellata B. Pitzer 1988-3-10 660 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA550351  Gilia stellata W. Wisura, John Dolan, Michael Wall 1992-3-24 4637 Riverside 15.4 miles NE of Mecca, Bajadas above Box Canyon Comment
  UCR169781  Gilia stellata Scott D. White, Jennifer H. Jones 2005-5-24 11106 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR88428  Gilia stellata A. C. Sanders, K. C. Rose 1995-4-5 16348 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  UCR174074  Gnaphalium californicum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32588 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
  RSA586765  Gnaphalium luteoalbum D. L. Banks, S. D. Boyd 1995-5-17 0463 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UCR92083  Gnaphalium luteoalbum Scott D. White, S. Ogg 1994-10-17 2464 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  JEPS20464  Gnaphalium palustre W. L. Jepson 1903-8-7 2292 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  JOTR34350  Gnaphalium palustre Harding, Mitzi 2012-6-19 20 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Barker Dam 1304 Comment
  UC32014  Gnaphalium palustre Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Southern California, San Jacinto Valley Comment
  UCR232794  Gnaphalium palustre John F. Green 2008-4-16 0408- 50 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  RSA585510  Gnaphalium stramineum D. L. Banks, S. D. Boyd 1995-5-9 0371 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
  UCR84612  Gnaphalium stramineum Scott D. White, S. Ogg 1994-4-21 1997 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA651181  Guillenia lasiophylla Marion P. Harthill 1973-2-17 1578 Riverside Scissors Crossing, [to?] Palm Springs 731 Comment
Read comments
Jun 9 2013
  RSA189351  Gutierrezia californica L. S. Rose 1966-12-14 66110 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  RSA90697  Gutierrezia californica F. W. Peirson 1920-12-28 5298 Riverside Murray Canyon near Palm Springs Comment
  RSA339242  Gutierrezia microcephala R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53596 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  UC1213985  Gutierrezia sarothrae Otto T. Solbrig 1958-8-21 2773 Riverside on Hwy 74 11.1 mi e Keen Kamp Comment
  CLARK-A1528-229  Haplopappus acradenius subsp. eremophilus John C. Roos 1969-11-10 Riverside Whitewater Comment
  UCR139027  Harpagonella palmeri D. L. Banks 1997-4-5 1680 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
  UCR174160  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32604 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
  UC57440  Helenium puberulum H. M. Hall 1901-8-1 Riverside vicinity Riverside 259 Comment
  CAS-BOT-BC211544  Helianthemum scoparium Carl B. Wolf 1936-6-17 7956 Riverside Tenaja Road, 1 4/10 mi. off Ortega Highway on road to La Cienega, Santa Ana Mts. 609 Comment
  RSA220962  Helianthemum scoparium var. aldersonii E. W. Lathrop 1966-5-29 6380 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA511060  Helianthemum scoparium var. scoparium Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  CAS-BOT-BC305452  Helianthus annuus F. A. Thackery 1928-5-22 416 Riverside Indio Comment
  SBBG45071  Helianthus californicus I. W. Clokey with E. G. Anderson 1935-8-21 6934 Riverside N fork of San Jacinto River 1500 Comment
  RSA0036472  Helianthus gracilentus J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA683854  Helianthus gracilentus Scott D. White, Michael Honer 2003-4-4 8960 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA876  Helianthus gracilentus J. T. Howell 1928-7-7 1038 Riverside Santa Ana Mts. above Glen Ivy. 609 Comment
  UCR201512  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  SD136878  Heliotropium curassavicum var. oculatum Steve Boyd, Darin Banks 1994-9-29 8374 Riverside Lake Elsinore, floodplain east of dike along San Jacinto River west of Sedco Hills community. 380 Comment
  RSA525272  Hemizonia fasciculata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4586 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  POM12000  Hemizonia kelloggii Mary F. Spencer 1921-5-29 1192 Riverside San Jacinto 549 Comment
  UCR60919  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3687 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  RSA674594  Hemizonia paniculata Scott D. White 2000-5-5 7771 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR112808  Hemizonia paniculata A. C. Sanders 1997-5-1 20627 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR182202  Hemizonia paniculata R. E. Riefner Jr. 2006-9-19 06- 444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River 301 Comment
  UCR116653  Hemizonia pungens subsp. laevis A. C. Sanders, Carolyn Washburn 2001-5-10 24249 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  JEPS61971  Hesperocallis undulata W. L. Jepson 1927-4-14 11698 Riverside foothills s.e. end Santa Rosa Mts. (Silent Canyon); Colorado Desert, , Silent Canyon 304 Comment
  RSA124445  Hesperocallis undulata Percy C. Everett, E. K. Balls 1958-4-29 23027 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  RSA0049544  Hesperocallis undulata Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2222 Riverside Northwest end of the McCoy Mountains, NW of Blackjack Mine. 400 Comment
  UCR79491  Hesperocnide tenella Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7359 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UC867808  Hesperolinon micranthum P. A. Munz and I. M. Johnston 1922-5-19 5336 Riverside 5 mi ne Murietta 518 Comment
  UCR194221  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR94952  Heterotheca sessiliflora subsp. echioides Scott D. White 1996-8-15 4473 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR118214  Heterotheca subaxillaris Mitch Provance 1999-9-23 1680 B Riverside Riverside, UCR Campus, planter on the NE side of Boyce Hall 335 Comment
  RSA0066187  Heuchera elegans Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1447 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction. 2637 Comment
  UC871183  Hibiscus denudatus Alice Eastwood 1913-4-30 3069 Riverside Palm Canyon Palm Springs; , Palm Canyon Comment
  CLARK-A1528-4681  Hilaria rigida John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  SD185089  Hilaria rigida John F. Green 2005-2-2 Riverside 3.0 miles east of Desert Beach. 24 Comment
  SEINET4585072  Hilaria rigida E. Neese 1979-4-10 7077 Riverside About 25 miles west of Blythe, along I-10 244 Comment
  UC1930013  Hirschfeldia incana Scott D. White, Justin Wood 2008-5-15 11991 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  CAS-BOT-BC207511  Hoffmannseggia glauca Aven Nelson; Ruth Nelson 1939-3-30 3344 Riverside Hiway 70, between Mecca and Blythe Comment
  UC570587  Hoffmannseggia glauca Frank W. Peirson 1935-4-17 11469 Riverside 9 mi s Blythe Comment
  LA28883  Hoffmannseggia microphylla P. J. Remple; 1942-3-2 ** Riverside near Palms to Pines Highway 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
  UCR113936  Holcus lanatus Mitch Provance 2000-6-24 2051 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CAS-BOT-BC150023  Holodiscus discolor var. discolor H. M. Hall 1901-7-1 2465 Riverside [Tauquitz] Tahquitz Valley 2560 Comment
  RSA563861  Hordeum intercedens A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Road. 457 Comment
  UCR159087  Hordeum intercedens Scott D. White, M. Jacobsmeyer 1996-4-20 3964 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  RSA729802  Hordeum marinum subsp. gussoneanum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51993 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR213899  Hordeum murinum Scott D. White, Justin M. Wood 2009-5-22 12897 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA552725  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6767 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR35161  Horkelia clevelandii L. B. Ziegler 1967-8-2 198 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  CAS-BOT-BC312583  Hulsea vestita subsp. callicarpha Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  UCSB26737  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, at junction of Dark canyon Road, 5 miles northeast of Idyllwild, San Jacinto Mtns. 1524 Comment
  JOTR01267  Hulsea vestita subsp. parryi Cole, James E. 1941-5-30 831 A Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  UCR55323  Hydrocotyle ranunculoides L. F. LaPre 1988-7-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, at the begining of Oak Hill Trail, Nature Conservancy Preserve Comment
  POM361071  Hymenoclea salsola M. B. Dunkle 1937-3-25 4946 Riverside Colorado Desert. Shaver's Well Comment
  UCR41307  Hymenoclea salsola N. M. Fellows, A. C. Sanders 1985-4-9 161 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
  JOTR32358  Hymenoxys cooperi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2473 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UC667320  Hymenoxys cooperi Annie M. Alexander and Louise Kellogg 1941-5-4 2116 Riverside sandy flat near edge reservoir; Joshua Tree National Monument, Barker Dam 1325 Comment
  RSA458203  Hypericum androsaemum E. C. Jaeger 1921-7-1 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  SD181473  Hypericum formosum Scott D. White, Sandy Leatherman 2000-5-31 7983 Riverside Santa Ana Mountains/Santa Rosa Plateau, near squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. Occasional (patchy) in grassland. 640 Comment
  UCR466  Hypochaeris glabra Frank C. Vasek 1958-4-26 s.n. Riverside Palomar Mtn. Region, Hwy '71' [79], east of Temecula, east end of [Temecula Creek] bridge at E end of cultivated valley [Pauba Valley] 366 Comment
  UCR92180  Hypochaeris glabra D. L. Banks, Steve Boyd 1995-5-3 0190 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  CAS-BOT-BC219776  Hyptis emoryi James Henrickson 1963-3-29 1211 (1111?) Riverside 12 miles east of Mecca 304 Comment
  CDA40745  Hyptis emoryi T. C. Fuller 1963-4-23 10285 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA420161  Hyptis emoryi D. A. Young 1969-3-28 P- 312 Riverside Palm Springs. 305 Comment
  RSA550013  Hyptis emoryi Walter Wisura, John Dolan, C. Demme 1992-4-13 4684 Riverside Low Desert: Corn Spring. N-base of Chuckwalla Mtns. Comment
  UC484148  Hyptis emoryi Carl B. Wolf 1930-4-1 1498 Riverside near Cathedral City Comment
  SEINET10836949  Hyptis emoryi David B. Dunn 1948-1-25 Dunn 3633 Riverside Found near quad 6 on the berkeley campus. Pushawalla canyon, indio hills of the colorado desert; w of indio Comment
  CLARK-A1528-1240  Imperata brevifolia John C. Roos 1965-7-22 Riverside Palm Springs 149 Comment
  LA203674  Isocoma acradenia var. eremophila A. M. Johnson; 1933-4-28 4207 Riverside E of Cook's Ranch, 4 mi. N of Indian Wells, and 15 mi. below Palm Springs Comment
  POM350408  Isocoma acradenia var. eremophila L. E. Hoffman 1927-08 s.n. Riverside Beaumont, Banning Pass. Comment
  LA85176  Isomeris arborea O. H. Kappler; 1941-3-15 127 Riverside Morongo Pass Area, Desert City Comment
  SD247330  Iva axillaris Andy Sanders 2012-3-22 39990 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, 0.4 kilometer southwest (210 degrees) of intersection of Riverside Drive and Collier Avenue. 384 Comment
  CAS-BOT-BC143415  Ivesia saxosa Annie M. Alexander; Louise Kellogg 1941-5-6 2125 Riverside 13 miles southwest of 29 Palms 1371 Comment
  UCD51331  Jarava speciosa F. M. Reed 1926-5-8 5326 Riverside Riverside and vicinity, hill near Good Hope Mine. Comment
  UCD55534  Jarava speciosa Mitch Provance 1998-4-14 442 Riverside Jurupa Mountains: Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km W of Rubidoux Blvd. Across the street from the Riverside Cement Company. 396 Comment
  UCR189781  Juglans californica var. californica Theresa Johnson 2007-10-9 402 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  UCR20982  Juncus acutus subsp. leopoldii A. C. Sanders, J. Zabriskie, S. D. Boyd 1980-4-17 1337 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  UCR109646  Juncus balticus T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  SD121512  Juncus bryoides Barbara Ertter, Jeffrey L. Strachan 1980-5-21 3482 Riverside Santa Rosa Mountain Road (Forest Road 7S02) ca. 2 miles south of Highway 74 (Pines to Palms Highway), rivulets on southwest slope, moist granitic sand of opening in chaparral. 1584 Comment
  RSA69673  Juncus bufonius F. W. Peirson 1922-4-29 5353 Riverside South of Lake Elsinore. 381 Comment
  SBBG92182  Juncus bufonius J. Hirshbert 1989-4-4 Riverside S of Murrieta, W of Mesa de Burro, near head of Cole Cyn; Santa Rosa Plateau 487 Comment
  UCR214306  Juncus bufonius A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38377 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCSB26799  Juncus bufonius var. bufonius Wilken, Dieter 1969-6-30 Riverside California State Highway 74; 0.5 miles west of Keen Camp Summit; San Jacinto Mtns Comment
  UCR156615  Juncus bufonius var. congestus T. B. Salvato, A. C. Sanders 2005-5-17 899 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
  UCR111737  Juncus effusus subsp. austrocalifornicus S. J. Myers, Chet McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR197054  Juncus effusus subsp. austrocalifornicus A. C. Sanders, D. L. Sanders 2008-9-27 36100 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA388410  Juncus mexicanus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61172 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR35287  Juncus mexicanus L. B. Ziegler 1972-7-12 490 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1372 Comment
  UCR24954  Juncus oxymeris A. C. Sanders 1980-7-22 1734 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  CAS-BOT-BC123242  Juncus tiehmii Barbara J. Ertter; Jeffrey L. Strachan 1979-6-26 2971 Riverside San Bernardino National Forest, San Jacinto Mountains 762 Comment
  SD136978  Juncus tiehmii Steve Boyd, Tim Ross 1992-5-15 7390 Riverside Southern Santa Ana Mts,San Mateo Canyon Wilderness Area, major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. Local about vernally active seepage in shallow draw in burned chaparral. 671 Comment
  SDSU11820  Juncus xiphioides Thomas A. Zink 1971-5-1 Riverside Growing along Sandia Creek in wet, sandy soil just off Guava Rd. 4.3 miles from the Rancho California, Santa Rosa Ranch gate. 366 Comment
  POM6497  Juniperus californica I. M. Johnston 1918-5-30 s.n. Riverside Between Elsinore and Perris. 548 Comment
  RSA336053  Juniperus californica Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52078 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  RSA772576  Juniperus californica Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5053 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  SEINET7248048  Juniperus californica Louis C. Wheeler 1960-1 7672 Riverside Alberhill Comment
  RSA80967  Justicia californica G. R. Campbell 1952-4-6 18416 Riverside 3 mi. S. of jct. with road to Cottonwood Springs, Joshua Tree National Monument Road from 29 Palms to Hwy 60-70. 915 Comment
Read comments
Nov 19 2011
  UCR251730  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 23 miles west of Blythe on I-10, Ford Dry Lake exit, Chuckwalla Valley Road 1.5 miles west to near Graham Pass Road 120 Comment
  UCR89730  Kallstroemia californica J. M. Stewart 1990-9-23 661 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CAS-BOT-BC235504  Keckiella antirrhinoides Jim Shevock 1970-4-25 163 Riverside Coldwater Trail 670 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
  SEINET13768165  Keckiella antirrhinoides I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4742 Riverside Perres-Gavilan Peak 500 Comment
  UC1979653  Keckiella antirrhinoides var. antirrhinoides Steve Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. Comment
  RSA543938  Keckiella cordifolia Steve D. Boyd 1991-5-10 6216 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  SEINET3224407  Keckiella ternata G. Goodwin 2012-6-15 3461 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  RSA0019433  Keckiella ternata subsp. ternata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR242670  Koeleria macrantha A. C. Sanders 2013-7-6 40845 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11 1793 Comment
  CAS-BOT-BC273676  Koeleria pyramidata Ralph Hoffman 1929-9-8 s.n. Riverside Mt. San Jacinto 1828 Comment
  CAS-BOT-BC61437  Krameria bicolor Carl B. Wolf 1932-4-27 2986 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  UCSB7292  Krameria bicolor Haller, Norman 1953-5-24 Riverside 10 miles So. of Palm Springs Indio Rd. Palms to Pines Hiwy 74 914 Comment
  RSA161076  Krameria erecta Peter H. Raven 1958-5-18 12999 Riverside 4.9 miles NE of Pinyon Flats, San Jacinto Mtns. Comment
  RSA776573  Krameria erecta Amber Swanson 2011-4-8 368 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA408601  Krameria grayi G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  UCR121822  Lactuca serriola A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24604 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA500981  Lamarckia aurea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3100 Riverside Vail Lake area, ridge-top 1 mile W of dam. 642 Comment
  SEINET10753677  Lamarckia aurea Daphne K. Christopher, Hannah Stevens; Z. Princip 2003-4-9 Christopher 125 Riverside Near Hermano road, off Hwy. 15, Indian Truck Trail exit. Grassland and sage scrub along roadside. Miex Poaceae 550 Comment
  UCR1580  Lamium amplexicaule R. L. Needham 1962-3-21 10001 Riverside Riverside, front lawn at 3560 Holding Street. 259 Comment
  UCR167415  Langloisia setosissima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR41608  Langloisia setosissima A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6112 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA390024  Larrea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Palm Springs, Colorado Desert. 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
  SD236205  Lasthenia californica John F. Green 2006-5-3 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Benton Road 409 Comment
  CLARK-A1528-1089  Lasthenia coronaria Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  UC126382  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Pass ne of High Grove; Riverside Comment
Read comments
Sep 5 2011
  UC517567  Lasthenia coronaria John Thomas Howell 1928-3-11 3415 Riverside Morongo Canyon; Colorado Desert 609 Comment
  UCR92695  Lasthenia glabrata subsp. coulteri A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18045 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA12915  Lasthenia gracilis C. B. Wolf 1935-4-7 6305 Riverside 2 mi. SW of Perris. 427 Comment
  RSA192189  Lasthenia gracilis E. W. Lathrop 1966-3-20 6057 Riverside 3 miles W of Murrieta Comment
  RSA552711  Lasthenia gracilis Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCR1203  Lasthenia gracilis Martha McCarthy 1960-3-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, along Tenaja Road, 3.8 mi. from junction with Washington Ave. in Murrieta, 25 yards from NW side of road 549 Comment
  UCR138919  Lasthenia gracilis Julie A. Greene 1993-3-13 1009 Riverside San Jacinto River Valley, San Jacinto Wildlife Area. On the berm between ponds 441 Comment
  UCR155836  Lasthenia gracilis John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR167421  Lasthenia gracilis 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
  UCR20786  Lasthenia gracilis A. C. Sanders, Steve Boyd 1980-5-2 1402 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  PASA1050  Lathyrus alefeldii Frank W. Peirson 1922-4-28 Riverside Leach canyon, Elsinore Region 548 Comment
  CLARK-A1656-646  Lathyrus vestitus Lois Ann Scott 1978-5-19 Riverside Santa Rosa Mountains 1523 Comment
  POM48270  Lathyrus vestitus subsp. alefeldii E. C. Jaeger 1925-3-21 s.n. Riverside Temecula Canyon Comment
  UC917891  Lathyrus vestitus var. alefeldii Frank W. Gould 1944-4-4 2211 Riverside 9 mi se Temecula (on Highway 71) Comment
  SD237493  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  JEPS40026  Layia glandulosa W. L. Jepson 1901-5-19 1280 Riverside Strawberry Valley; San Jacinto River Canyon 640 Comment
  RSA771678  Layia glandulosa Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4988 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  CAS-BOT-BC379671  Layia platyglossa E. W. Lathrop 1960-4-8 4746 a Riverside 14 miles west of Murrieta; Loma Linda Comment
  UC73928  Layia platyglossa Dr. R. J. Smith 1904-5-17 311 Riverside near Cabazon Comment
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Mar 13 2011
  UCR214133  Layia platyglossa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37737 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  CAS-BOT-BC379632  Layia platyglossa H. M. Hall 1901-6-1 2023 Riverside San Jacinto Mountains, Southern California 1371 Comment
  RSA395943  Layia platyglossa subsp. campestris Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. Comment
  RSA236025  Layia platyglossa subsp. platyglossa L. B. Ziegler 1972-4-7 s.n. Riverside Meadow on top of Baldy Mtn N of Hemet Lake, San Jacinto Mts. Comment
  RSA192135B  Lemna minuta E. W. Lathrop 1965-3-30 5608 -B Riverside 12 miles west of Murrieta. Comment
  UCR101388  Lepidium densiflorum A. C. Sanders, K. C. Rose 1998-9-29 22243 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA563913  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-5 13683 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  POM134  Lepidium lasiocarpum var. lasiocarpum Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  SBBG2528  Lepidium lasiocarpum var. lasiocarpum H. and M. Dearing 1942-1-17 4789 Riverside Cathedral City Comment
  UCR217801  Lepidium lasiocarpum var. lasiocarpum Jim Andre, T. La Doux 2010-2-28 12552 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR75540  Lepidium latipes A. C. Sanders 1993-5-12 14000 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
  RSA67347  Lepidium nitidum F. W. Peirson 1918-03 2327 Riverside Whitewater Grade, NW corner of Colorado Desert. Comment
  UCR225593  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  POM17944  Lepidium virginicum var. pubescens P. A. Munz 1923-6-14 7116 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  RSA735850  Lepidium virginicum var. robinsonii Scott D. White, Justin Wood 2008-4-15 11873 Riverside Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UCR280624  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 12 Riverside Gavilan Hills, Alberhill Canyon, tower site 0.3 miles east of dirt road portion of Lake St., about 0.8 miles NNE of Lake St. and Walker Canyon Rd. 497 Comment
  UCR3284  Lepidium virginicum var. robinsonii T. R. Plumb 1964-2-23 s.n. Riverside San Bernardino Valley Region, Box Springs Mountains, small hill east of Sugarloaf 442 Comment
  CAS-BOT-BC329440  Lepidospartum squamatum Lewis S. Rose 1935-12-21 35678 Riverside Colorado Desert. Whitewater Wash, 3 mi SE of Palm Springs Station 304 Comment
  SFV11881  Lepidospartum squamatum R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR59699  Leptochloa filiformis George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  CAS-BOT-BC274020  Leptochloa fusca subsp. uninervia E. A. McGregor 1917-3-19 797 Riverside Colorado Desert. Indio Sands Comment
  SEINET10861664  Leptochloa fusca subsp. uninervia Paul M. Peterson 1989-9-22 Peterson 8123 Riverside San Jacinto: 8.8 km W of State Hwy 79 on Ramona Expressway towards Lakeview. Mud flats surrounded by weedy vegetation in a fallow field. 500 Comment
  UCR176671  Leptochloa uninervia G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  RSA192029  Leptosiphon floribundus E. W. Lathrop 1959-4-2 4428 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
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Apr 28 2011
  POM13198  Leptosiphon lemmonii P. A. Munz 1922-5-20 5477 Riverside Kenworthy, Covering miles of sandy flats. 1463 Comment
  POM10413  Leptosiphon liniflorus Charlotte M. Wilder 1904-5-30 s.n. Riverside Wilder's Canyon, Jurupa Hills. Comment
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Nov 6 2011
  RSA736986  Lesquerella tenella J. Andre, T. La Doux 2008-3-21 8831 Riverside JTNP: Pinkham Exit dirt road, at Cottonwood Visitor s Ctr, just N. of Cottonwood Cyn. 939 Comment
  CAS-BOT-BC339365  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt. San Jacinto Comment
  RSA674604  Lessingia glandulifera var. glandulifera Scott D. White 2000-8-5 8096 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SDSU1091  Leymus condensatus A. H. Gallup 1948-6-12 226 Riverside San Jacinto Mt. Road from San Jacinto. 835 Comment
  RSA123492  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside Near Hemet Reservoir. 1341 Comment
  UCD87572  Leymus triticoides H. M. Hall 1904-5-19 4959 Riverside Fairmount Park. 243 Comment
  UCR60497  Lilaea scilloides R. F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA0014611  Limonium sinuatum Justin M. Wood, J. Miner 2010-5-12 1680 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  POM13146  Limosella aquatica Philip A. Munz, I. M. Johnston 1922-5-19 5430 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  JOTR30953  Linanthus aureus subsp. aureus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1928 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge 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
  UCR88109  Linanthus jonesii A. C. Sanders, G. Nuhn 1995-4-20 16583 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  JEPS58474  Linanthus liniflorus E. C. Jaeger 1926-5-1 Riverside Aguanga, sw Riverside County Aguanga 883 Comment
  UC354453  Linanthus liniflorus Edmund C. Jaeger 1925-5-1 Riverside Aguanga 883 Comment
  UCR1629  Linanthus parviflorus Leland R. Dykes 1962-5-1 48 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  UCR116408  Linanthus pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR41453  Linaria bipartita B. G. Pitzer 1986-2-22 0017 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  UCR171972  Linaria canadensis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  SEINET273138 Image available Linaria canadensis var. texana O. F. Clarke 1997-3-4 5454 Riverside Riverside: vacant lot at back of St. George's Episcopal church corner of SPruce St. and Watkins Dr. 305 Comment
  RSA435721  Linum lewisii N. C. Cooper 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  RSA497946  Linum lewisii Albert J. Perkins 1916-9-15 s.n. Riverside Near summit of Taquitz Mt. Comment
  RSA0010982  Lithophragma affine P. H. Raven 1958-5-17 12956 Riverside 7.4 miles south-east of Banning on road to Idyllwild, Sam Jacinto Mountains. Comment
  RSA632878  Lithophragma affine subsp. affine R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38141 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA263664  Lithophragma affine subsp. mixtum E. W. Lathrop 1968-5-22 6915 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  CAS-BOT-BC60178  Lobularia maritima Steve Boyd 1991-5-20 6280 Riverside Santa Ana Mountains. Temescal Canyon, northwest of Lake Elsinore. Mouth of Rice Canyon. 487 Comment
  SD122177  Lobularia maritima James C. Dice, Virginia Moran 1987-11-28 759 Riverside South rim of Temecula Gorge, in dirt road near locked gate. 305 Comment
  UCR158759  Lobularia maritima S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR26384  Loeflingia squarrosa A. C. Sanders, S. Hagopian 1981-5-20 2129 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  SD76205  Loeseliastrum schottii Helen V. Witham 1970-4-29 829 Riverside in open, Pines-to-Palms Hwy 1299 Comment
  OBI11429  Loeseliastrum schottii R. F. Hoover 1969-4-14 11230 Riverside Palm Springs, just S of South City limit Comment
  SD140195  Logfia filaginoides Scott White 1993-4-22 1253 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR108867  Lolium perenne Heidi A. Haid 1969-6-2 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR138816  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-2-17 1283 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  POM305709  Lomatium dissectum var. multifidum Henry J. Ramsey, Henry J. Ramsey 1939-4-22 I- 30 Riverside Hemet-Anza, Bautista Creek Road. Comment
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  VVC162  Lonicera interrupta A. C. Sanders, J. Mac 1997-5-4 20678 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  SFV20158  Lonicera subspicata var. denudata J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .5 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  SEINET3224411  Lotus argophyllus G. Goodwin 2012-6-15 3465 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR102922  Lotus argophyllus George K. Helmkamp 1998-4-3 3069 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  RSA113275  Lotus argophyllus var. argophyllus E. K. Balls 1955-4-1 20413 Riverside Hwy 74, 3 miles NE of Pinyon Flats. Alt 915 Comment
  RSA772415  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4850 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA5428  Lotus crassifolius Carl B. Wolf 1932-8-4 1540 Riverside Point View near Idyllwild. 1646 Comment
  UC15552  Lotus crassifolius var. crassifolius H. M. Hall 1898-7-1 967 Riverside San Jacinto Mountains 1828 Comment
  RSA585881  Lotus hamatus D. L. Banks, Peter Morrell 1995-5-4 0315 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground,, on Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 536 Comment
  UCR174051  Lotus hamatus A. C. Sanders 2006-5-19 32445 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
  POM47796  Lotus heermannii Mary F. Spencer 1918-4-4 744 Riverside Palm Springs. Comment
  RSA627503  Lotus heermannii Scott D. White 1998-7-31 6943 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA704877  Lotus heermannii J. B. B. 1934-2-19 s.n. Riverside Idyllwild. Comment
  RSA717625  Lotus heermannii Scott D. White 2006-4-27 11284 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC864786  Lotus heermannii C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat and Fuller's Mill; Mt. San Jacinto 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
  UCR43283  Lotus heermannii B. A. Carlson 1986-4-10 s.n. Riverside Upper Coachella Valley, floodplain of the Whitewater River at field of wind turbines among settling ponds west of Indian Avenue near Hugo Siding on S.P.R.R. 244 Comment
  RSA735982  Lotus humistratus Scott D. White, Justin M. Wood 2008-5-12 11947 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  UCR174358  Lotus humistratus A. C. Sanders 2006-5-19 32382 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
  UC454681  Lotus nevadensis var. nevadensis I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1524 Comment
  UCR96251  Lotus nevadensis var. nevadensis Scott D. White 1996-8-1 4418 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR193955  Lotus oblongifolius A. C. Sanders 2008-7-25 35889 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UC454104  Lotus oblongifolius var. oblongifolius I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
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Apr 7 2008
  CLARK-A1656-715  Lotus rigidus unknown 1981-3-14 Riverside Coachella Valley Comment
  POM1917  Lotus rigidus I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  UC1584110  Lotus salsuginosus Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3834 Riverside n side mouth of Temecula Creek Canyon (and adjacent benches of Big Oak Mtn.); Vail Lake Area, Big Oak Mtn. 396 Comment
  RSA775494  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4412 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  RSA406322  Lotus strigosus Dorothy R. Wolf 1932-3-20 2 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA406364  Lotus strigosus J. D. Olmsted 1962-5-10 3640 Riverside Potrero country along S Divide truck trail, SE end of Santa Ana Mts., SSW of Lake Elsinore. 945 Comment
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Apr 1 2011
  RSA653428  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR154643  Lotus strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  RSA0127778  Lotus strigosus G. Rink, M. Honer, A. Karl, T. Thomas, M. Baker 2013-3-18 11871 Riverside About twelve miles west of Blythe, along the powerline west of the proposed Quartzite solar power plant. 116 Comment
  POM6857  Lotus strigosus var. tomentellus P. A. Munz, L. T. Street, G. Williams 2319 Riverside mouth of Palm Canyon 213 Comment
  UCR116827  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23928 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  PASA1116  Lotus subpinnatus Frank W. Peirson 1930-5-10 Riverside Hemet Plateau, along boulevard opposite March field 457 Comment
  UCR20758  Lotus tomentellus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1294 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
  RSA543902  Lotus wrangelianus Steve Boyd 1991-5-20 6267 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  CHSC8446  Lupinus arizonicus Edward L. Smith 1958-3-21 366 Riverside 6 mi. s. Rice. nr. Priest's Well. Little Santa Maira Mt. Range. Colorado River drainage area. 365 Comment
  POM349961  Lupinus arizonicus C. P. Smith 1936-1 2167 Riverside West side of Colorado Desert. -30 Comment
  RSA726520  Lupinus arizonicus Naomi S. Fraga, Lisa Rojas 2005-2-10 1401 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA749948  Lupinus arizonicus Justin M. Wood 2009-3-26 415 Riverside Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  SBBG55855  Lupinus arizonicus R. Gustafson 1978-3-21 843 Riverside Joshua Tree Nat Monument, ca. 3 mi from the jct of the rd leading through the park and Hwy 70 640 Comment
  UCR167214  Lupinus arizonicus S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR224994  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside Sonoran (Colorado) Desert, East flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  UCR88117  Lupinus arizonicus A. C. Sanders, G. Nuhn 1995-4-20 16591 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA789349  Lupinus bicolor Naomi S. Fraga, Duncan S. Bell 2009-5-6 2704 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  UCR16223  Lupinus bicolor Leland R. Dykes 1962-5-1 60 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  UCR178004  Lupinus bicolor S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA190627  Lupinus concinnus subsp. optatus L. B. Ziegler 1967-6-1 s.n. Riverside Hemet (Garner) Valley, in Kenworthy area. 1402 Comment
  RSA50323  Lupinus concinnus subsp. optatus E. K. Balls 1949-5-4 13490 Riverside Disintegrated granite, in shelter of large rocks, chaparral on Banning Idyllwild road Comment
  SEINET10485122  Lupinus concinnus subsp. orcuttii Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6463 Riverside Rice valley, 7 mi. Ssw of rice. T2s, r20e, sec 21. Sand dunes; frequent. 274 Comment
  UC130311  Lupinus excubitus H. M. Hall 1899-5-24 1375 Riverside s slopes El Toro Mt.; San Jacinto Mountains, s slopes El Toro Mt. 1828 Comment
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Jul 23 2008
  CAS-BOT-BC216684  Lupinus excubitus subsp. hallii Charles Piper Smith 1951-5-22 51239 Riverside 1.5 miles S of summit, Beaumont - Morena Grade (San Gorgonio Drive) Comment
  RSA413603  Lupinus excubitus var. austromontanus Douglas Bothwell 1934-5-14 s.n. Riverside San Jacinto Mts, Idyllwild. 1610 Comment
  OBI19312  Lupinus excubitus var. hallii Tracey & Viola Call, Viola Call 1962-4-13 2126 Riverside Tin Mine Cyn near Corona 351 Comment
  RSA34555  Lupinus formosus N. C. Cooper 1944-7-17 1420 Riverside San Jacinto Mtns, above Banning. 1220 Comment
  UCR89570  Lupinus formosus G. P. Schultz 1994-4-21 s.n. Riverside Box Springs Mountains, Pigeon Pass Road, c. 1 - 1.5 mi. above the dump. Comment
  POM12097  Lupinus hirsutissimus Mary F. Spencer 1921-4-17 1869 Riverside Banning. Comment
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Mar 13 2011
  UCR272821  Lupinus latifolius Mitch Provance 2016-6-28 616- 36 Riverside San Jacinto Mountains, Idyllwild, along Strawberry Creek, near the corner of Bicknell Ln. and South Circle Dr. 1636 Comment
  RSA413837  Lupinus latifolius subsp. parishii M. B. Dunkle 1933-7-23 3765 Riverside San Jacinto Mt 2896 Comment
  RSA560409  Lupinus longifolius Steve D. Boyd 1992-4-15 6881 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA33568  Lupinus microcarpus var. densiflorus N. C. Cooper 1944-5-5 1201 Riverside Calimesa. 305 Comment
  RSA676293  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA702747  Lupinus sparsiflorus Scott D. White, Michael Honer 2004-4-6 10041 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR41235  Lupinus sparsiflorus N. M. Fellows, A. C. Sanders 1985-4-9 148 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
  POM24304  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA414276  Lupinus sparsiflorus subsp. sparsiflorus E. Crow 1929-2-2 175 Riverside Near Cabazon, NW Colorado Desert Comment
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Mar 13 2011
  RSA524442  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4058 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UC1537131  Lupinus succulentus Gordon H. True Jr. 1935-4-5 211 Riverside near Gavilan Peak Gavilan Hills; , Gavilan Hills 640 Comment
  POM10360  Lupinus truncatus Charlotte M. Wilder 1904-5-14 52 Riverside Wilders Canyon, Jurupa Hills, Comment
  UCR97448  Lupinus truncatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19867 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM4210  Lycium andersonii C. F. Baker 1904-4-4 12466 Riverside Elsinore. Comment
  RSA651328  Lycium andersonii N. R. Zabriskie, Walter Zabriskie 1971-2-15 345 Riverside C. 30' up bank from stream bed on west-facing slope of ''North Canyon;'' Andreas Canyon watershed, San Jacinto Mts. 366 Comment
  RSA774990  Lycium andersonii Duncan S. Bell 2011-4-7 2171 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  SBBG87838  Lycium andersonii A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6094 Riverside wash below Corn Spring, Chuckwalla Mtns 487 Comment
  UC218100  Lycium andersonii P. A. Munz, D. Keck 1922-4-9 4811 Riverside s base Eagle Mtns.; Colorado Desert 182 Comment
  UCR175184  Lycium andersonii Jim Andre 2006-4-26 6780 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  JOTR34398  Lycium cooperi Andre, Jim 2012-4-16 20932 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  CAS-BOT-BC231645  Lycium fremontii R. H. Peebles 1929-3-10 17 Riverside Tauquitz [Tahquitz] Canyon, near Palm Springs Comment
  CDA23160  Lythrum californicum Scott D. White, Angelia Carey 2004-6-4 10459 Riverside San Jacinto Mountain foothills; Indian Creek watershed, above confluence w/ San Jacinto River. Comment
  RSA343103  Lythrum hyssopifolia Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60633 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along seasonal stream in Cole Canyon, near entrance 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
  RSA0103623  Machaeranthera asteroides var. asteroides Duncan S. Bell, Sarah DeGroot 2015-9-21 8648 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, at Portrero Spring. 1074 Comment
  UCR11337  Machaeranthera tortifolia John M. Spencer 1971-4-16 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument (now J.T.N. Park), 1.5 mi. north of Cottonwood Spring campground Comment
  CAS-BOT-BC514238  Maianthemum stellatum P. A. Munz 1922-7-6 6006 Riverside Tahquitz Valley, San Jacinto Mt., C.F. Baker Herbarium of Pomona College 2194 Comment
  CAS-BOT-BC230890  Malacothamnus davidsonii Edith A. Purer 1935-4-21 6472 Riverside East slope of San Jacinto Mt. Comment
  RSA263658  Malacothamnus fasciculatus E. W. Lathrop 1977-3-29 7512 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive Comment
  UCR256788  Malacothamnus fasciculatus T. B. Salvato, Matthew Malle 2013-5-20 7571 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  CAS-BOT-BC347711  Malacothrix glabrata Alice Eastwood 1913-4-30 3114 Riverside Palm Springs Comment
  HSC49179  Malacothrix glabrata D. L. Goforth 1979-4-11 104 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  UC1287018  Malacothrix glabrata C. L. Hitchcock 1966-3-21 24329 Riverside about 15 mi s Rice (on dirt road to Blythe) Comment
  UCR244380  Malacothrix glabrata Jim Andre 2012-4-16 20949 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
  RSA722992  Malacothrix saxatilis var. tenuifolia Michael Wall 2007-6-26 429 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  RSA593977  Malva parviflora D. L. Banks, Elizabeth Hedge Banks 1996-5-2 963 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve, at the junction with the road to the local golf course. 427 Comment
  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
  CLARK-A1045-182  Marah fabacea var. agrestis George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA404231  Marina parryi L. H. Jones 1910-3-18 s.n. Riverside Riverside Mtn, Colorado River. Comment
  RSA799876  Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SD125954  Marina parryi B. Pitzer 1988-3-10 646 Riverside West side of Chuckwalla Mountains, on gas line road, ca., 1.5 mile north of intersection with Red Cloud Mine Road. 487 Comment
  SEINET2063255 Image available Marina parryi George Helmkamp 1995-3-16 Riverside Slopes of Coxcomb Mts. W of Rice Rd., 10.3 mi NE of Desert Center 198 Comment
  SDSU7027  Marrubium vulgare S. J. Barnhart 1966-4-17 660417 -14 Riverside SW facing slope of small hill .1 mile E of McAllister St. Along the Metropolitan Water Co. Utility raod (dirt), which is 1.5 miles SE of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCR266276  Marsilea vestita D. E. Bramlet 2005-6-8 3874 B Riverside San Jacinto Valley Region, c. 4.5 km NE of Winchester, 7 km WSW of Hemet, c. 100 m north of Stetson Ave., 50 m west of MWD Canal 457 Comment
  UCR213837  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  RSA556507  Matricaria matricarioides Julie Greene 1993-4-3 1075 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  RSA612845  Matricaria matricarioides D. L. Banks 1997-3-1 1371 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCD107933  Medicago sativa P. B. Kennedy 1921-11-1 s.n. Riverside Mecca. Comment
  CLARK-A1528-4724  Melica frutescens John C. Roos 1952-4-9 5492 Riverside Riverside 396 Comment
  CLARK-A1528-5177  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  HSC10353  Melica imperfecta C. L. Hitchcock, C. V. muhlick 1964-3-17 23101 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
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Jul 9 2010
  JOTR37471  Melica imperfecta Hodges, Stephen, T. Green 2016-5-24 593 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  SD232149  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8927 Riverside Temescal Canyon, dissected bajada bench, below east of Horsethief canyon, immediately S of I-15 Freeway 111 Comment
  UCR158266  Melica imperfecta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29496 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
  RSA10092  Mentha canadensis F. M. Reed 1903-8-29 308 Riverside River bottom near Chinatown Ford Comment
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Sep 5 2011
  RSA440414  Mentzelia involucrata H. M. Hall 1905-04 5803 Riverside 8 miles W of Indio Comment
  RSA776821  Mentzelia involucrata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1094 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  RSA795936  Mentzelia involucrata Duncan S. Bell 2009-4-19 260 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET192011  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside Cottonwood Canyon, ca 100 yards east of Spring. Comment
  UCR102722  Mentzelia involucrata B. G. Pitzer 1998-1-24 3408 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
  UCR50920  Mentzelia involucrata A. C. Sanders 1988-5-11 7796 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA649275  Mentzelia involucrata subsp. megalantha Sears 1978-3-18 917 Riverside 3 mi. E. of Corn Spring, 9 mi. SE of Desert Center. 366 Comment
  POM308332  Mentzelia involucrata var. megalantha Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3051 Riverside 10 miles east of Indio. Comment
  RSA652294  Mentzelia laevicaulis Dick Crowell 1949-3-25 s.n. Riverside Collected 15 miles east of Indio on Hwy 60. 1/2 mile off road. 457 Comment
  UCR199577  Mentzelia laevicaulis Scott D. White, Angelia Carey 2004-7-2 10580 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  HSC29905  Mentzelia longiloba R. W. Spjut 1972-3-20 2285 Riverside Riverside/San Bernardino Co., Colorado Desert, 4-10 mi. W of Rice (N end of Maria Sand Dunes), along Hwy. From Rice to 29 Palms Hwy. or to Desert Center. 305 Comment
  UC665898  Mentzelia longiloba Ira L. Wiggins 1941-3-26 9667 Riverside 1/2 mi s Highway #60 (on desert road to Wiley Well.) Comment
  UCR72156  Mentzelia longiloba var. longiloba Theo Glenn 1991-5-8 91- 83 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UCR104003  Mentzelia obscura George K. Helmkamp 1998-4-4 3145 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA747564  Mentzelia veatchiana Michael Honer 2003-4-11 1823 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 . 640 Comment
  CAS-BOT-BC170849  Mentzelia veatchiana A. J. McC. 1892-4-1 71 Riverside Elsinore Comment
  RSA546307  Mesembryanthemum nodiflorum D. E. Bramlet, S. D. Boyd, A. C. Sanders, F. Roberts 1992-5-21 2291 Riverside The site is approximately 8 km southwest of Hemet. Found on the margin of vernal pools, which are located northwest of the intersection California Ave. and Stowe Rd., The site is located some 60 m N of Stowe Rd and some 122 m west of California Ave. 456 Comment
  RSA618162  Micropus californicus D. L. Banks 1997-5-5 2023 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  SD146006  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. I(c) mile west of Warren Road (mak 10/07) 456 Comment
  UCR121813  Microseris douglasii subsp. douglasii A. C. Sanders, Carolyn Washburn 2001-4-17 24049 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR107827  Microseris lindleyi D. L. Banks 1997-5-5 2006 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR232786  Microseris lindleyi John F. Green 2008-4-16 0408- 39 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  SDSU10753  Mimulus aurantiacus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
  RSA442670  Mimulus aurantiacus var. pubescens Ralph Hoffmann 1928-04 s.n. Riverside 3 mi. east of Colorado River Comment
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Mar 22 2014
  RSA444467  Mimulus aurantiacus var. pubescens J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
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May 21 2011
  UCR121317  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25001 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR252523  Mimulus aurantiacus var. pubescens J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  POM256953  Mimulus aurantiacus var. puniceus W. Pequegnat 1940-6-12 s.n. Riverside Main Divide Truck Trail near Ortega Highway. 823 Comment
  UCR90745  Mimulus aurantiacus var. puniceus Scott D. White 1995-4-5 2744 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR20882  Mimulus brevipes A. C. Sanders 1978-7-3 619 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  SEINET11262501  Mimulus cardinalis Steve Boyd, Tim Ross; Dave Bramlet 1992-9-9 7679 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. Top of Tenaja Falls.; 0 396 Comment
  UCR21993  Mimulus cardinalis Steve Boyd 1980-7-12 331 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA503400  Mimulus clevelandii J. Olmstead 1962-5-9 3605 Riverside SE side of Santiago Peak 1463 Comment
  SBBG118782  Mimulus floribundus S. D. White 1999-6-6 7441 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  RSA0054839  Mimulus floribundus Keith E. Hoffmaster 1933-4-14 526 Riverside Tahquitz Canyon. Comment
  RSA0014937  Mimulus fremontii var. fremontii LeRoy Gross, Evan Meyer 2013-5-21 6122 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UC489084  Mimulus inodorus C. V. Meyer 1928-7-26 524 Riverside 1/2 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  UCR110986  Mimulus moschatus George K. Helmkamp 1998-6-27 4129 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  UCR68851  Mimulus palmeri Steve Boyd, T. S. Ross 1990-5-11 4635 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UC667306  Mimulus rubellus Annie M. Alexander and Louise Kellogg 1941-5-6 2128 Riverside 13 mi sw 29 Palms; Joshua Tree National Monument 1371 Comment
  UCR138561  Mirabilis bigelovii Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCR41540  Mirabilis bigelovii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6056 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  SBBG119928  Mirabilis laevis var. crassifolia J. Green, S. J. Myers 2003-6-25 Riverside French Valley, "Greenway site" along Tucalota Crk ca. 1 mi E of Murrieta Hot Springs 396 Comment
  SDSU16686  Mirabilis laevis var. crassifolia Francis H. Bozzolo 2006-4-16 7 Riverside Santa Margarita Ecological Reserve, northern end, ca. 0.1 miles south of North gate on Via Tornado road. Shallow slope on NW side of road, with single large Quercus sp at base. 360 Comment
  CAS-BOT-BC434820  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  RSA464829  Mirabilis laevis var. retrorsa M. B. Dunkle 1937-3-25 4921 Riverside Colorado Desert Comment
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Feb 17 2013
  UCR120589  Mirabilis laevis var. retrorsa Steven R. Hill 2001-4-29 33533 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  VVC2900  Mirabilis laevis var. retrorsa Tim Thomas, P. J. MacKay 2010-4-12 5031 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA450140  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  SBBG1883  Mirabilis laevis var. villosa H. and M. Dearing 1942-3-10 4825 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SEINET223388  Mirabilis multiflora B. Ertter, J Strachan 1980-5-21 3486 Riverside Santa Rosa Mt road (USFS Rd 7S02) near Hwy 74 (Pines to Palms Hwy) 1707 Comment
  UCR94074  Mirabilis multiflora var. pubescens Scott D. White, D. Haselfeld 1996-7-2 4273 B Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  UC444444  Mirabilis tenuiloba W. G. Wright 1880-1 Riverside Colorado Desert Comment
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Dec 17 2016
  RSA408772  Mohavea confertiflora Robert M. Perkins, H. de Forest 1937-3-15 374 Riverside N. of Blythe, along Co. Riverside. Comment
  UCR87935  Mollugo cerviana A. C. Sanders 1994-6-2 14629 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  LA62613  Monardella australis subsp. australis Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, along trail to Round Valley Comment
  CAS-BOT-BC220027  Monardella breweri subsp. lanceolata Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  UCR59524  Monardella lanceolata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3603 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UC1931123  Monardella linoides subsp. linoides Scott D. White, Justin Wood 2008-7-10 12457 Riverside San Jacinto mountains: Fobes spring (Palm View Peak) Comment
  UCR272127  Monardella linoides subsp. linoides Duncan S. Bell 2015-9-30 8668 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  UC25485 Image available Monardella macrantha subsp. hallii H. M. Hall 1898-7-4 976 Riverside canyon of San Jacinto River San Jacinto Mountains 1310 Comment
  UC456089  Monardella macrantha subsp. hallii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
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Jul 6 2009
  SEINET3996319 Image available Monardella nana A. J. Breitung 1953-6-12 15551 Riverside Santa Rosa Mountains 1829 Comment
  UC1499877  Monardella nana Elizabeth McClintock 1940-9-1 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  UC63741  Monardella nana subsp. tenuiflora H. M. Hall 1897-7-17 691 Riverside Tahquitz Valley San Jacinto Mountains 2438 Comment
  RSA719041  Monolepis nuttalliana Michael Honer 2005-3-11 2059 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  RSA799518  Monolepis nuttalliana Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4777 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
  UCR139131  Monolepis nuttalliana Julie A. Greene 1993-4-17 1206 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UC831339  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs Comment
  UCR139719  Monoptilon bellioides B. G. Pitzer 1989-4-16 1297 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR241713  Monoptilon bellioides Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 41 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  CAS-BOT-BC275299  Muhlenbergia microsperma Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA605174  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. J. MacKay, et al. 1995-3-19 16182 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  SEINET238467 Image available Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills N side of Diamond Valley along high water road of reservoir unde 549 Comment
  SEINET949799  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-1 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north Clinton Keith Rd., vicinity of peak 2279 (Murrieta 7.5' Q). 1900 Comment
  UC39893  Muhlenbergia richardsonis H. M. Hall Jul 1 1901-Aug 1 1901 2477 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  UCR24959  Muhlenbergia richardsonis A. C. Sanders 1980-8-23 1763 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR101805  Muhlenbergia rigens George K. Helmkamp, E. A. Helmkamp 1998-8-17 4439 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR127575  Muilla maritima D. E. Bramlet 2003-4-18 3375 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR269904  Myosurus minimus var. apus D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3663 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  SD37311  Myosurus minimus var. filiformis Edith A. Purer 1936-4-6 6880 A Riverside Vernal pool, south of Elsinore Comment
  SD28079  Myriopteris covillei Carl B. Wolf 1932-5-24 3646 Riverside Snow Creek Canyon, I(c) mile below fish hatchery, north base of San Jacintos mountains 550 Comment
  CLARK-A1528-4944  Nama demissa John C. Roos 1937-4-18 1388 Riverside Whitewater Comment
  RSA0043141  Nama demissa Duncan S. Bell 2009-4-19 300 Riverside Arica Mountains: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  RSA721839  Nama demissa J. R. Bruff 1928-4-2 100 Riverside Canyon 1 mile west of Morengo Comment
  SEINET3091487 Image available Nama demissa Norman C. Cooper 1949-4-8 3299 Riverside Desert Center, Desert Center. Comment
  JOTR32160  Nama demissa var. demissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2313 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  SD73600  Nama demissa var. demissa Helen V. Witham 830 Riverside Highway 74, 24.3 miles east of Lake Hemet. 1299 Comment
  UCD119569  Nama demissa var. demissa William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA0108938  Nama hispida Duncan S. Bell, Amanda Bell 2012-1-28 3072 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  SEINET238480  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden 433 Comment
  SEINET223727  Nassella lepida Mary E. Barkworth 1981-5-6 3092 Riverside Pinyon Ridge off CA 74 just east of NIghtingale Comment
  UC1537220  Nassella lepida Gordon H. True 1935-3-11 93 Riverside Mockingbird Canyon Comment
  UCR62383  Navarretia fossalis Don Mitchell 1990-6-1 s.n. Riverside About 1.5 mi. west of Lakeview, in small bulldozer-made ponds, north of Ramona Expressway, and about 200 yd. west of the San Jacinto River. 427 Comment
  RSA674560  Navarretia hamata Scott D. White, Tasha La Doux 2000-6-3 7997 Riverside S of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  CAS-BOT-BC109109  Nemacaulis denudata var. gracilis Barbara Ertter; Jeffrey Strachan 1980-5-20 3475 Riverside On north side of Whitewater Wash, west side Miles Avenue N of Highway 111 between Palm Desert and Indio at Indian Wells. 30 Comment
  UCR279408  Nemacladus A. C. Sanders, Jim Malusa 2017-3-25 42995 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  HSC85393  Nemacladus longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  SEINET10458417  Nemacladus longiflorus Secrest 1951-5-18 SECREST s.n. Riverside San Jacinto River bed, few miles east of Hemet Comment
  RSA0126347  Nemacladus longiflorus var. longiflorus P. A. Munz 1927-5-20 10864 Riverside Cohuila. Comment
  UCR102940  Nemacladus orientalis George K. Helmkamp 1998-4-4 3147 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA500212  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3531 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD255696  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UCR127943  Nemacladus ramosissimus A. C. Sanders 1994-5-30 14610 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCSB38679  Nemacladus sigmoideus Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA0120629  Nemacladus tenuis var. aliformis Duncan S. Bell, Thomas Stoughton 2016-3-16 8951 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA480010  Nemacladus tenuis var. aliformis Steve Boyd 1988-3-10 2133 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA0119739  Nemacladus tenuis var. aliformis Duncan Bell 2011-3-19 2062 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  UCR241581  Nemophila menziesii A. C. Sanders, Timothy W. Chumley 2013-4-2 40746 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR35348  Nemophila menziesii L. B. Ziegler 1967-4-25 118 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  POM312147  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA740077  Nicotiana attenuata Scott D. White, Justin M. Wood 2008-6-16 12140 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UC26145  Nicotiana attenuata H. M. Hall Jun 1901 2150 Riverside borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains Comment
  UC566777  Nicotiana clevelandii Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon; Colorado Desert Comment
  UC1125156  Nicotiana glauca A. Lewis 1934-3-4 309 Riverside Tin Mine Canyon; Cleveland National Forest, Corona Quad. 762 Comment
  UCR21966  Nicotiana glauca Steve Boyd 1980-5-21 295 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  JEPS12267  Nicotiana obtusifolia W. I. Follett 1942-3-22 127 Riverside 12.2 mi e Mecca; Colorado Desert Comment
  UCSB41768  Nicotiana obtusifolia Sense, Nancy 1976-4-13 Riverside Shaver's Wells, Box Canyon, Box Canyon Road from I-10 to Mecca Comment
  RSA0018751  Nicotiana obtusifolia P. J. Remple 1942-3-2 s.n. Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  RSA0018755  Nicotiana obtusifolia Kraemer 1929-3-17 s.n. Riverside S. La Quinta. Comment
  SD136742  Nicotiana quadrivalvis Steve Boyd, Tim Ross 1992-5-15 7394 Riverside San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junctionof Tenaja and Morgan Trails, west of Round Potrero 671 Comment
  UCR114314  Nicotiana quadrivalvis Mitch Provance 1998-3-21 274 Riverside Jurupa Hills, Sunnyslope, Ormand Quarry. 280 Comment
  POM258905  Nolina bigelovii E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  RSA643661  Nolina parryi James C. Dice 1985-6-13 618 Riverside Pinyon Flat, ca. 1.3 km north of Highway 74, at northwest edge of community of Pinyon Pines. 1250 Comment
  UCR213849  Nolina parryi Scott D. White, Justin M. Wood 2009-5-21 12868 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  CSUSB208  Oenothera deltoides Steve G. Nelson 1974-4-13 Riverside Two miles north of US Highway 10 on Washington. Found 200 yards from road in sand dunes. 152 Comment
  POM355579  Oenothera deltoides subsp. deltoides N. C. Cooper 1949-4-9 3327 Riverside Blythe. 81 Comment
  CAS-BOT-BC427466  Oligomeris linifolia J. Cole 1942-5-19 962 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  SEINET7259110 Image available Oligomeris linifolia Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-1 6417 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  UC72697  Oligomeris linifolia E. E. Schellenger Riverside Paloverde; Colorado Desert, Paloverde Comment
  POM14222  Olneya tesota Philip A. Munz, D. D. Keck 1922-4-9 4920 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  RSA0107429  Olneya tesota Duncan S. Bell 2009-8-15 419 Riverside Northwest of the Arica Mountains. 300 Comment
  RSA666719  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Val Verde, between Moreno Valley and Perris, along i-215, 0.9 mi S of Oleander Ave., at S end of Patterson Ave. 457 Comment
  SEINET8191817 Image available Oncosiphon piluliferum D. W. Taylor 2003-5-8 18551 Riverside San Jacinto Wildlife Area, Davis Road, 0.5 mile N of Lakeview. 434 Comment
  UCR216240  Oncosiphon piluliferum Oleg Pryadko 2008-5-2 051 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
  UCR263244  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41474 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
  RSA388330  Opuntia basilaris Steve Boyd 1986-5-7 1834 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA592684  Opuntia chlorotica Scott D. White, Duayne Haselfeld 1996-7-2 4268 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
  POM313595  Opuntia echinocarpa J. W. Toumey 1895-04 s.n. Riverside Banning. Comment
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Mar 21 2011
  JEPS46553  Orobanche Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6205 Riverside 20 mi n Desert Center (along the Parker Dam Hwy from Rice to Desert Center, and about 3-4 mi e of eastern base of Coxcomb Mts.); Colorado Desert 243 Comment
  RSA0076199  Orobanche californica subsp. feudgei Philip A. Munz 1937-5-31 15121 Riverside Anza Tablet, head of Coyote Canyon. 1066 Comment
  RSA0066537  Orobanche cooperi subsp. cooperi Louis Cutter Wheeler 1952-4-5 6851 Riverside Mecca Hills: mouth of Painted Canyon. Comment
  RSA0070482  Orobanche cooperi subsp. cooperi Louis C. Wheeler 1952-4-5 6848 Riverside Mecca: Box Canyon Road at canal. Comment
  CLARK-A1045-69  Orobanche fasciculata George K. Helmkamp 1978-5-18 Riverside San Jacinto Mountains near Kenworthy Forest Station; ; ; southeast 1/4 Idyllwild 15'Q; Butterfly Peak 7.5' Q 1371 Comment
  RSA0072127  Orobanche ludoviciana var. latiloba Gary Wallace 1967-4-29 721 Riverside NE of the Coxcomb Mtns., 15 mi NE of Desert Center along Parker Dam Hwy. Comment
  UCR232760  Orobanche parishii W. P. Armstrong, Tom Chester, D. Stith 2008-8-18 1348 Riverside Peninsular Range; San Jacinto Mtns., lower end of Tamarack Valley 2823 Comment
  SDSU4804  Osmadenia tenella H. Wedberg 1994-5-23 936 Riverside 4.8 miles from Hwy. 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR118456  Osteospermum fruticosum Mitch Provance 1999-5-4 1696 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC64503  Oxytheca caryophylloides H. M. Hall 1901-6-24 Riverside in canyons of w side San Jacinto Mountains (Fuller's Mill) 1767 Comment
  UCR222308  Oxytheca trilobata R. F. Thorne, W. Wisura, David Michener 1982-5-24 55191 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, [north] along Main Divide Truck Road [from El Cariso Fire Station area] 915 Comment
  RSA552760  Paeonia californica Steve Boyd, Orlando Mistretta, Tim Ross 1992-3-31 6746 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UCR100126  Palafoxia arida B. G. Pitzer 1997-10-19 3351 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  RSA780233  Palafoxia arida var. arida Stephanie Rockwood, Christi Gabriel 2011-10-12 112 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
  UC39300  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork San Jacinto River San Jacinto Mountains, North Fork San Jacinto River (Southern California) 914 Comment
  UCR19663  Panicum alatum var. minus John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  JOTR33676  Panicum miliaceum subsp. miliaceum La Doux, Tasha 2003-9-24 1619 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  SBBG57166  Panicum urvilleanum M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  SEINET270107  Papaver californicum Steve Boyd, Carol Boyd; Kyle Boyd 6736 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp 366 Comment
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Mar 1 2014
  RSA0042108  Parietaria hespera Duncan S. Bell, Deidre Conocchioli 2014-3-11 6227 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  SD237635  Parietaria hespera A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37746 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Road, 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi NE (25a^z)of Temescal Canyon Road where it goes under I-15 (Alberhill 7.5'Q) 404 Comment
  UC848656  Parietaria hespera var. hespera Alice Eastwood 1913-4-30 3035 Riverside Palm Springs Comment
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Aug 10 2006
  HSC47471  Parkinsonia florida Richard Spjut 1978-5-10 5040 Riverside Colorado Desert: Chuckawalla Valley, ca. 1 mi. S of Desert Center 305 Comment
  LA45756  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  RSA698047  Parosela emoryi J. Russell Bruff 1928-12-29 402 Riverside Lone Cottonwood Ranch 2 mi. S.E. of Dos Palmos. Comment
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Oct 23 2011
  UCR264240  Pectis papposa A. C. Sanders, Jim Malusa 2015-9-10 41847 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA782002  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-13 113 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  UC65019  Pectis papposa var. papposa E. E. Schellenger 1904-10-19 20 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  JOTR28951  Pectocarya heterocarpa La Doux, Tasha 2005-3-30 1187 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM368802  Pectocarya heterocarpa M. B. Dunkle 1937-3-25 4933 Riverside Colorado Desert. Shaver s Well Comment
  SD28017  Pectocarya heterocarpa Carl B. Wolf 1932-4-27 3041 Riverside Colorado Desert, Mecca to Blythe Road, 3/4 mile west of Utopia 149 Comment
  UCR177262  Pectocarya heterocarpa Scott D. White 2003-3-20 8828 Riverside Coachella Valley, Immediately north of the I-10 / Jefferson Avenue fwy interchange 18 Comment
  UCR214883  Pectocarya heterocarpa A. C. Sanders 2010-3-15 37397 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA695834  Pectocarya linearis J. R. Bruff 1927-3-12 3 -L Riverside San Gorgonio River near Cabazon [note that label reads San Bernardino Co.] Comment
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Mar 13 2011
  UCR174125  Pectocarya linearis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32632 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  SEINET7882516 Image available Pectocarya linearis Jean Coulson 1959-1 127 Riverside U. C. R. Campus, Riverside County, California, 200 yds. S. of water tank. Comment
  RSA586305  Pectocarya penicillata D. L. Banks, S. D. Boyd 1995-5-3 216 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
  SEINET272156  Pectocarya penicillata A. C. Sanders 1997-3-1 19754 Riverside Box springs Mountains: E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch E of Hidden Springs Rd. intersecti 579 Comment
  UCR249815  Pectocarya penicillata T. B. Salvato, John Lovio 2013-3-19 7351 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR211817  Pectocarya peninsularis Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1081 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  CLARK-A1045-235  Pectocarya platycarpa George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  UCR138578  Pectocarya platycarpa Steve Boyd, Orlando Mistretta 1986-3-13 1436 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCR175238  Pectocarya platycarpa Jim Andre, T. La Doux 2006-4-11 6743 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR177295  Pectocarya recurvata Scott D. White 2003-3-23 8834 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR60271  Pectocarya setosa Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3676 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  IRVC19343  Pellaea andromedifolia R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  UC669244  Pellaea andromedifolia Annie M. Alexander and Louise Kellogg 1941-2-28 1879 Riverside Andreas Canyon; San Jacinto Mts Comment
  UCR37478  Pellaea andromedifolia Steve Boyd 1981-2-6 s.n. Riverside Peninsular Range, Gavilan Hills, base of hills at SE end of Walker Canyon Comment
  POM182208  Pellaea mucronata P. A. Munz 1932-4-24 12393 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UCR97463  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  JOTR30782  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  UC71513  Pellaea mucronata var. mucronata Miss Alice King Riverside Menefee Comment
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Mar 15 2014
  RSA785456  Pennisetum villosum T. B. Salvato 2000-8-22 20 Riverside Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  RSA285587  Penstemon centranthifolius D. C. Michener 1980-6-11 3672 Riverside Bautista canyon 7.1 mi. above jct (end) of Lower BAutista Canyon Rd. (5S14) and short road to CA 74. Comment
  POM11202  Penstemon grinnellii Philip A. Munz 1922-7-8 6062 Riverside Fern Valley 1768 Comment
  SD63335  Penstemon labrosus Walter Bertsch 1957-6-29 957 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2660 Comment
  RSA79844  Penstemon pseudospectabilis Philip A. Munz, D. D. Keck 1922-4-9 4909 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  SD229291  Penstemon rostriflorus Dick Schwenkmeyer 2011-8-25 653 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  RSA709452  Penstemon spectabilis T. B. Salvato, John Green 2004-5-27 627 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  SDSU10970  Penstemon spectabilis Samuel R. Franks 1962-5-19 Riverside San Jacinto Mtns. Comment
  UCR141686  Penstemon spectabilis June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  NY661159  Penstemon spectabilis var. spectabilis P. A. Munz 1923-6-14 7063 Riverside Santa Ana Mountains. Trail, Glen Ivy to Santiago Peak 1219.2 Comment
  NY661160  Penstemon spectabilis var. spectabilis A. J. McClatchie 1892-4-27 s.n. Riverside Near Elsinore Comment
  SD119891  Penstemon spectabilis var. spectabilis Louis B. Ziegler 1972-5-9 453 Riverside San Jacinto Valley, open field 472 Comment
  RSA734888  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  UCR193737  Pentachaeta aurea A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35655 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA687392  Pentagramma triangularis May N. Ackley 1928-4-1 85 Riverside Snow Creek, Desert side, Mt. San Jacino 518 Comment
  CAS-BOT-BC71579  Pentagramma triangularis subsp. maxonii Larry Kiefer 1963-3-24 483 Riverside Andreas Canyon 365 Comment
  RSA125965  Pentagramma triangularis subsp. maxonii E. K. Balls, Percy C. Everett 1957-11-4 22753 Riverside Snow Creek about old Fish Hatchery, and through wash; always on N side of rocks 701 Comment
  LA204569  Peritoma arborea E. C. Parke; 1941-5-7 Riverside White Water Comment
  CAS-BOT-BC77472  Peritoma arborea var. angustata Marian L. Campbell 1921-3-19 29 Riverside Palm Springs Comment
  JOTR35388  Peritoma arborea var. angustata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 176 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  CAS-BOT-BC77530  Peritoma arborea var. arborea Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  CAS-BOT-BC356000  Perityle emoryi Lewis S. Rose 1935-12-23 35687 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 13 mi. S. of Cathedral City 609 Comment
  RSA305912  Perityle emoryi Fay A. MacFadden 1940-3-17 15304 Riverside Rd from Twentynine Palms to Indio, about half way, San Bernardino Mts. Riverside Co. Comment
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Oct 16 2011
  SD144022  Perityle emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  UC1929977  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR256723  Perityle emoryi Duncan S. Bell 2011-12-30 3041 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  UCR90335  Perityle emoryi Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  CAS-BOT-BC167756  Petalonyx thurberi K. Larson 1976-6-10 2036 Riverside ~30 mi E. of Indio S. of Chiriaco Summit Comment
  RSA20300  Petalonyx thurberi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9568 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA445160  Petalonyx thurberi G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert. Comment
  SJSU6730  Petalonyx thurberi C. W. Sharsmith 1974-1-6 8015 Riverside Palm Springs Comment
  UC578666  Petalonyx thurberi subsp. thurberi H. S. Yates 1937-6-27 6726 Riverside mouth of Deep Canyon Colorado Desert, Thermal Quad., Deep Canyon 304 Comment
  SBBG101693  Petunia parviflora S. Boyd, T. Ross 1991-6-14 6355 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence W/Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCD39881  Petunia parviflora Leslie Ede, Farm Advisor 1974-6-1 s.n. Riverside Blythe. Comment
  JOTR36012  Peucephyllum schottii Harding, Mitzi, T. Herskovits 2012-3-16 219 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  POM6873  Peucephyllum schottii P. A. Munz, L. T. Street, Williams 1919-3-26 2391 Riverside Salton Sea. Comment
  SD44850  Peucephyllum schottii Darley F. Howe 1952-4-5 2146 Riverside 12 miles south of highway east of Mecca along All American Canal Comment
  RSA94106  Peucephyllum schottii F. W. Peirson 1919-4-13 4737 Riverside First canyon S of Palm Canyon near Palm Springs. Comment
  RSA39983  Phacelia affinis L. S. Rose 1937-4-9 37125 Riverside Palms to Pines Hwy, 18miles W of Indio. 1037 Comment
  POM147637  Phacelia ambigua F. M. Reed 1927-3-20 5430 Riverside Salt Creek Wash. Comment
  POM47196  Phacelia ambigua Mary F. Spencer 1920-3-12 1581 Riverside Mecca. Colorado Desert -60 Comment
  RSA0055045  Phacelia campanularia James R. Shevock 1971-5-8 1032 Riverside Joshua Tree Nat'l. Mon., So. entrance, Cottonwood Cyn. 457 Comment
  RSA23218  Phacelia campanularia subsp. vasiformis Ernest Braunton 1940-4-3 2010 Riverside 25 miles Northeast of Indio. Comment
  SEINET1906693  Phacelia cicutaria var. hispida A. C. Sanders, Seung, Chul Kim, Plant Taxonomy Class 2005-1 30009 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UC1087288  Phacelia cicutaria var. hispida E. K. Balls and P. C. Everett 1958-3-19 22873 Riverside hills 1 mi e Hwy. 17 to Elsinore 198 Comment
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Mar 1 2014
  UCR112405  Phacelia cicutaria var. hispida A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23455 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
  CAS-BOT-BC133966  Phacelia crenulata var. ambigua F. O. Ballou 1926-2-27 s.n. Riverside Painted Canon Comment
  JOTR32186  Phacelia cryptantha Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. 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
  CAS-BOT-BC133965  Phacelia distans S. B. Parish 1916-5-13 10836 Riverside Cottonwood Spr. 792 Comment
  RSA747799  Phacelia distans Scott D. White, Justin M. Wood 2009-3-24 12576 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
  RSA777678  Phacelia distans Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 982 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR172203  Phacelia distans John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UC69330  Phacelia ivesiana var. pediculoides L. A. Greata April 1905 Riverside Coachella Comment
  RSA428086  Phacelia minor Christopher Davidson 1973-4-1 1794 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA699774  Phacelia minor Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  UCR167818  Phacelia minor A. C. Sanders 2005-4-21 29578 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR274288  Phacelia minor T. B. Salvato, Melissa Clemons 2005-6-6 1414 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
  RSA480078  Phacelia neglecta Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin 1988-3-10 2163 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA428151  Phacelia parryi N. C. Cooper 1944-6-4 2020 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR18438  Phacelia pedicellata J. Olmstead 1966-4-8 s.n. Riverside Santa Rosa Mtns., Deep Canyon Reserve, Pipestrelle Canyon, near Boyd Center. 366 Comment
  RSA0007630  Phacelia suaveolens subsp. keckii Percy C. Everett 1935-6-18 7205 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (North) Main Divide Motorway. 1220 Comment
  UCR133671  Phalaris minor 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
  UCR2663  Phleum pratense F. M. Reed 1903-12-10 224 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  POM14012  Phlox austromontana E. C. Jaeger 1921-7-1 s.n. Riverside Palms to Pines trail. 1738 Comment
  UCR69908  Phoenix canariensis A. C. Sanders 1991-7-19 11152 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA792342  Pholisma arenarium Doris Bowers s.n. Riverside Colorado Desert, Algodones Dunes? Comment
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Mar 17 2014
  RSA559430  Pholistoma auritum Steve Boyd 1992-4-15 6870 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA708428  Pholistoma membranaceum Scott D. White 2005-3-29 10829 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
  RSA771693  Pholistoma membranaceum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4689 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 W116.65123 604 Comment
  POM182068  Phoradendron californicum Philip A. Munz 1932-3-14 11984 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM48145  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Indian Wells. Comment
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Mar 12 2011
  RSA713978  Phoradendron californicum A. C. Sanders, J. Andre, P. J. MacKay, Tim Thomas 2005-2-26 29129 Riverside Sonoran (Colorado) Desert: SE of Hwy 117 towards dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UC1194595  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Keen Camp and Palm Springs (State Hwy 74); State Hwy 74 Comment
  UC848868  Phoradendron californicum I. W. Clokey 1935-4-17 6575 Riverside Cottonwood Springs Comment
  UCD102017  Phoradendron californicum L. S. Rose 1935-12-19 s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  RSA643678  Phoradendron densum A. C. Sanders 1995-4-13 16482 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. and dirt extension, 1.7 mile above Sierra Blvd. 701 Comment
  UCSB10654  Phoradendron leucarpum subsp. macrophyllum Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road 563 Comment
  RSA0125190  Phoradendron macrophyllum Duncan S. Bell 2016-3-3 8773 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  RSA489836  Phoradendron pauciflorum D. Charlton 1988-5-28 2134 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  SEINET4567399  Phoradendron villosum R. L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1219 Comment
  UCSB71044  Phragmites australis Lambert, Adam 2007-2-18 Riverside Torres Martinez Indian Reservation. Torres Martinez Indian Reservation, near the Salton Sea Comment
  POM50002  Physalis crassifolia E. C. Jaeger 1925-3-1 s.n. Riverside Box Springs Mtns. Comment
  RSA543165  Physalis crassifolia Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6095 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SD111893  Physalis crassifolia Barbara Ertter, Jeffrey Strachan 1980-5-20 3467 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 456 Comment
  UCD126797  Physalis crassifolia P. C. Everett; E. K. Balls 1958-4-29 23022 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 259 Comment
  UCR103308  Physalis crassifolia George K. Helmkamp 1998-4-4 3166 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  SEINET7048166  Physalis crassifolia Steven R. Hill 2001-5-3 33671 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
  CAS-BOT-BC78470  Pinus contorta subsp. murrayana F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  CAS-BOT-BC78557  Pinus coulteri P. C. Everett 1935-6-18 7206 Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (N.) main divide motorway 1219 Comment
  SEINET10849813  Pinus jeffreyi Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 20 Riverside San Bernardino National Forest. East off of Hwy. 243 at Marion Mt. camping area. Mixed Pine forest and Oak. 1921 Comment
  RSA762002  Pinus lambertiana Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 654 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR156297  Pityrogramma triangularis T. B. Salvato, Kent Beaman 2005-5-16 844 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
  SEINET9287644  Plagiobothrys Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  IRVC26248  Plagiobothrys canescens A. C. Sanders, D. Malueg 2003-5-8 26559 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  UCR154834  Plagiobothrys canescens A. C. Sanders, Kelly Volansky 2005-3-17 29236 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
  UCR220143  Plagiobothrys canescens D. E. Bramlet 1997-3-13 2485 Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, general vicinity of park entrance, just west of Old Warren Rd. 1.07 km north of intersection of entrance road and Old Warren Rd. 465 Comment
  UCR91471  Plagiobothrys canescens Scott D. White, M. Jacobsmeyer 1996-4-20 3979 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  SDSU18963  Plagiobothrys canescens var. canescens C. Matt Guilliams, Jeannine Ross 2008-3-12 534 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. 436 Comment
  SEINET6060264  Plagiobothrys collinus Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR234243  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2012-4-27 40089 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  JEPS29299  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8394 Riverside ca. 5 mi. s.e. Corona (just n. of Bedford Canyon, e. base Santa Ana Mts.1000 ft); Santa Ana Mts. 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
  SD143990  Plagiobothrys collinus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UCR234332  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2012-4-6 40004 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR250122  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-9 40997 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  SDSU21874  Plagiobothrys undulatus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3991 Riverside Santa Rosa Plateau Ecological Reserve, near boardwalk overlook. Approximately 1.1 km east of parking area for vernal pool trail, parking lot ca. 4 miles north on road from Visitor's Center. 624 Comment
  RSA556463  Plantago bigelovii subsp. californica Julie Greene 1993-4-30 1245 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
  UCR281120  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 24 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  UCR85586  Plantago elongata Julie A. Greene 1993-4-10 1155 a Riverside San Jacinto Valley, San Jacinto Wildlife Area. Sloping drainage from Davis Road. 436 Comment
  UCR266780  Plantago erecta Mitch Provance, Matt Amalong 2015-3-25 315- 26 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
  SDSU13354  Plantago lanceolata Joseph Verfaillie, Shasta Gaughen 2000-4-29 47 Riverside Santa Margarita Eclogical Reserve North side. The north side of the river about 1/3 mile west of the pipe line crossing. About 15 feet from the river 232 Comment
  SDSU14089  Plantago lanceolata Jonathan S. Austin, Michael G. Simpson 2002-4-20 19 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river,growing on slight mound of soil about two feet high. Santa Margarita Ecological Reserve. 229 Comment
  UCR214869  Plantago ovata A. C. Sanders 2010-3-15 37400 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA402030B  Plantago ovata var. fastigiata E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert Comment
  RSA720467  Plantago patagonica Naomi Fraga, Tim Thibault 2006-5-16 1673 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  CAS-BOT-BC91880  Platystemon californicus Frank W. Peirson 1922-4-28 5325 Riverside Temescal Canyon. 274 Comment
  CAS-BOT-BC91883  Platystemon californicus Lyman Benson 1932-3-26 3162 Riverside 3 miles north of Temecula. 457 Comment
  RSA660063  Platystemon californicus Matt Bogdanoff 1981-4-11 8 Riverside Cajalco Rd., 5.9 mi E of junction with La Sierra Ave., SE of Lake Mathews. 488 Comment
  UCR19213  Platystemon californicus John C. Roos 1942-5-2 1147 Riverside Mojave Desert, Joshua Tree National Monument [now Park]. Hidden Valley Comment
  CDA7048  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -397 Riverside City of Temecula, Wolf Valley, Wolf Valley Road at Wolf Creek Road. Comment
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Dec 13 2012
  CAS-BOT-BC326639  Pleurocoronis pluriseta Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6412 Riverside 12 airline miles north of downtown Blythe, Big Maria Mountains 289 Comment
  SBBG8448  Pleurocoronis pluriseta H. and M. Dearing 1938-3-6 1968 Riverside Painted Cyn, near Mecca Comment
  UC336756  Pleurocoronis pluriseta J. G. Lemmon Riverside Colorado Desert side of San Jacinto Peak San Jacinto Peak Comment
  UCR233545  Pleurocoronis pluriseta Jim Andre, Glenn L. Clifton 2011-2-22 17418 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  RSA104146  Pluchea sericea F. A. Barkley 1939-5-20 4213 Riverside Roadside 4 miles E. of Blythe Comment
  UCR111600  Pluchea sericea Mitch Provance 1998-4-8 1775 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCSB33270  Pluchea sericea Miller, Brian 1963-6-1 Riverside 1000 Palms Oasis 30 Comment
  RSA621503  Poa annua D. L. Banks 1997-11-15 2198 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR91491  Poa secunda Scott D. White 1995-4-5 2724 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR92675  Poa secunda Scott D. White 1994-5-4 2014 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA791519  Poa secunda subsp. secunda Jim Andre 2012-4-16 20961 Riverside Joshua Tree National Park;; north side of Mt Ryan at Sheep Pass Campground area. 1370 Comment
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Sep 10 2013
  UCD91001  Poa secunda subsp. secunda Frank W. Gould 1943-4-18 2153 Riverside 1 mile W of Banning, San Jacinto Mountains. Comment
  RSA180378  Polygala cornuta var. fishiae E. W. Lathrop 1960-6-7 4890 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
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Apr 28 2011
  UCR2720  Polypogon australis F. M. Reed 1906-5-5 973 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA740786  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside Johnson Meadow 1415 Comment
  POM2086  Populus fremontii Marjorie Shaw 1916-5-28 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  RSA543142  Populus fremontii Steve D. Boyd 1991-3-17 5500 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR121103  Populus fremontii A. C. Sanders 2002-3-5 24890 Riverside San Jacinto River Valley, State St. at the NW edge of the town of San Jacinto, near Mt. San Jacinto College on the south side of the river 457 Comment
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Mar 31 2014
  RSA0036073  Populus fremontii Norman C. Cooper 1943-10-9 962 Riverside Hemet. 304 Comment
  SD28077  Populus fremontii subsp. fremontii Carl B. Wolf 1932-5-25 3661 Riverside North base of San Jacinto Mountains, mouth of E. Fork of Snow Creek Canyon. 671 Comment
  JOTR31820  Porophyllum gracile La Doux, Tasha, Bill Truesdell 2007-11-9 2526 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  JOTR32652  Porophyllum gracile La Doux, Tasha, Bill Truesdell 2007-11-9 2526 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA552744  Porophyllum gracile Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6676 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCR266494  Porophyllum gracile Mitch Provance, Robin Kinmont 2015-3-30 315- 28 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., W of the lower watertank. 406 Comment
  CAS-BOT-BC144849  Potentilla rimicola Ralph Hoffman 1929-9-6 s.n. Riverside San Jacinto Mt. 2438 Comment
  CAS-BOT-BC356221  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1940-4-27 1236 Riverside Whipple Mountains 289 Comment
  RSA0013892  Proboscidea althaeifolia J. C. Roos 1965-9-5 s.n. Riverside 17 mi. W of Blythe Comment
  UCR92705  Proboscidea parviflora var. hohokamiana A. C. Sanders, S. Hawkins 1996-4-24 18084 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA348735  Prosopis glandulosa var. torreyana Christopher Davidson 1979-4-4 7710 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  UCR16199  Prosopis glandulosa var. torreyana M. Quinlan 1974-4-18 s.n. Riverside Western Colorado Desert/ San Jacinto Mtns, Agua Caliente Indian Reservation, c. 4 mi. outside Palm Springs, in Andreas Canyon 305 Comment
  UCR82245  Prosopis glandulosa var. torreyana J. M. Stewart 1994-5-2 858 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  POM19660  Prunella vulgaris var. lanceolata Mary F. Spencer 1923-7-23 2236 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA499286  Prunus emarginata E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley. 2134 Comment
  RSA453229  Prunus fasciculata M. B. Dunkle 1935-3-31 4443 Riverside Cottonwood Springs. Colorado Desert. 701 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
  SDSU9170  Prunus fremontii A. H. Gallup 1949-3-28 356 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], north slope 762 Comment
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Jan 30 2013
  RSA562488  Prunus ilicifolia Steve D. Boyd, Tim S. Ross 1992-5-5 7248 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  UCR49245  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  CAS-BOT-BC356338  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca Blythe Road Comment
  CLARK-A1528-4851  Psathyrotes ramosissima John C. Roos 1947-2-1 3227 Riverside Painted Canyon 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
  CHSC256  Pseudognaphalium californicum E. Thomas 1940-4-21 Riverside Palm Canyon. 457 Comment
  RSA0125103  Pseudognaphalium microcephalum Duncan S. Bell 2016-10-27 10212 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCR280932  Pseudognaphalium microcephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 16 Riverside Temescal Valley, Mayhew Wash, 200 yards E of I-15, N side of Temescal Canyon Rd. 314 Comment
  RSA612956  Psilocarphus tenellus D. L. Banks 1997-3-29 1625 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
  RSA713575  Psilocarphus tenellus var. globiferus R. E. Riefner Jr. 2005-4-20 05 -238 Riverside SE ca. 0.5 mi from end of California Ave. off Florida Ave. (Hwy 74), and N of Stetson Ave. 463 Comment
  CAS-BOT-BC346364  Psorothamnus Marcus E. A M Jones 1925-9-7 s.n. Riverside Palm Spring Comment
  RSA698039  Psorothamnus arborescens W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  UCR215634  Psorothamnus arborescens var. simplicifolius Bao Doan 2010-5-31 10 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  JOTR31216  Psorothamnus emoryi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1525 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  LA205190  Psorothamnus emoryi S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA113920  Psorothamnus emoryi Percy C. Everett, E. K. Balls 1956-5-2 21552 Riverside 2+ mi. N from turn-ogg Hwy 60/70 W of Desert Center, to Eagle Mt. Pumping Stn. 259 Comment
  UCR245747  Psorothamnus emoryi Duncan S. Bell 2009-4-18 211 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  CAS-BOT-BC340892  Psorothamnus schottii M. McCollum 1976-6-1 2030 Riverside 8 mi SSW of Yucca Valley Comment
  HSC66542  Psorothamnus schottii Christopher Davidson 1979-4-4 7690 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA450122  Psorothamnus schottii J. C. Roos 1966-5-2 s.n. Riverside Mouth of Pushwalla Canyon, Indio Mtns. Comment
  UC68509  Psorothamnus schottii H. M. Hall Apr., 1905 5758 Riverside Palm Springs , Palm Springs (Colorado Desert) 152 Comment
  UCD108370  Psorothamnus schottii G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  RSA101226  Psorothamnus spinosus David B. Dunn 1947-7-12 2952 Riverside Pushawalla Canyon, Indio Hills. Comment
  UCD34520  Psorothamnus spinosus Beecher Crampton 1985-5-8 9964 Riverside Riverside County, west of Blythe along hwy. 10. Comment
  UC729515  Pteridium aquilinum var. pubescens Carl B. Wolf 1932-5-25 3664 Riverside mouth of e fork of Snow Creek Canyon; n base San Jacinto Mts 670 Comment
  UCR280645  Pterocarya stenoptera A. C. Sanders 2017-5-15 43206 Riverside Riverside, eastern side of UCR campus, in canyon below the UCR Botanic Garden, adjacent to parking area 340 Comment
  UC1537265  Pterostegia drymarioides Gordon H. True Jr. 1935-3-13 95 Riverside Mockingbird Canyon 457 Comment
  UCR121301  Pterostegia drymarioides A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25010 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR126371  Pterostegia drymarioides A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 679 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  LA102371  Pulicaria paludosa John C. Roos; 1965-6-23 Riverside Palm Springs Comment
  JOTR32194  Purshia tridentata var. glandulosa Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  UCD170868  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  SEINET10914610  Quercus X acutidens Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-11 Townesmith 674 Riverside Cleveland National Forest. Along South Main Divide Road, 3.5 miles south of intersection with Route 74 890 Comment
  CAS-BOT-BC86600  Quercus X munzii Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshue Tree National Monument 1219 Comment
  UCR108800  Quercus X munzii Beth Corrigan, John Corrigan 1966-6-13 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now Park], Queen Valley area, 200-300 ft. south of Ivanpah Tank 1280 Comment
  SD257284  Quercus agrifolia Mitch Provance, Jeremiah George 2012-8-4 812 44 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Portrero 751 Comment
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCD73480  Quercus chrysolepis A. C. Sanders; T. Tennant 1997-11-14 21606 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Hathaway Canyon drainage. 976 Comment
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Mar 30 2014
  JOTR36417  Quercus cornelius-mulleri La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3363 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA648657  Quercus cornelius-mulleri R. E. Riefner Jr. 2000-6-10 20 -484 Riverside San Bernardino National Forest. Hwy. 74 near Pinyon Flats Campground 1220 Comment
  SBBG44658  Quercus cornelius-mulleri W. B. Holt 1941-10-21 9 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  SBBG44664  Quercus cornelius-mulleri W. B. Holt 1941-10-21 10 -1941 Riverside near Split Rock, Joshua Tree Nat Monument Comment
  SD126461  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8719 Riverside Santa Rosa Mountains, Pinyon Flats area, along Horsethief Creek where the trail from the Dolomite Mine crosses, on slopes above the riparian zone 1100 Comment
  UCD45607  Quercus cornelius-mulleri J. M. Tucker; D. Q. Cavagnaro 1965-10-2 3887 Riverside Joshua Tree National Monument, Riverside County, California. Comment
  UCD45614  Quercus cornelius-mulleri Frank C. Vasek 1975-9-11 s.n. Riverside In pinyon woodland (desert margin), elevation ca. 5000 feet; South Sheep Mountain, at the South edge of the Deep Canyon Reserve, Riverside County, California. 1524 Comment
  CAS-BOT-BC86541  Quercus dumosa C. H. Muller 1941-8-10 4844 Riverside San Jacinto Mts. 12 mi SE of Keen Camp Comment
  CLARK-A1528-2921  Quercus dunnii John C. Roos 1956-9-14 3016 Riverside San Jacinto Mountains 1371 Comment
  CDA29916  Quercus engelmannii Mike Lahti 2009-10-2 PDR# 1501841 Riverside Southwest of Temecula. 0 Comment
  OBI74369  Quercus engelmannii David J. Keil 1983-4-15 16906 Riverside East of Temecula on SR 79 Comment
  UCD47075  Quercus palmeri J. M. Tucker 1981-5-31 4458 Riverside California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
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Oct 29 2006
  CAS-BOT-BC104453  Quercus turbinella Carl B. Wolf 1932-10-12 4295 Riverside Colorado Desert, Little San Bernardino Mts., Pinyon Well (Slopes above) 1219 Comment
  SEINET3382770  Quercus turbinella Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17496 Riverside 300m south of Desert Queen Mine (McHaney;s Mine), 12.5km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill, Canyon of granite outcroppings and boulders. 1360 Comment
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Aug 24 2013
  UC219579  Quercus wislizeni P. A. Munz 1922-6-30 5907 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR187289  Quercus wislizeni Diane Menuz 2006-6-27 180 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  RSA3328  Quercus wislizeni var. frutescens Carl B. Wolf 1931-10-14 2453 Riverside Snow Creek, 100yds above the Fish Hatchery, north base of San Jacinto Mts. 610 Comment
  UCR178512  Rafinesquia californica R. G. Swinney 1967-2-12 0014 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UC1929612  Ranunculus californicus Scott D. White 2003-3-21 8817 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  POM296  Ranunculus cymbalaria var. saximontanus I. M. Johnston 1917-6-9 1219 Riverside Santa Ana River near Corona Comment
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Nov 20 2011
  SDSU13624  Rhamnus crocea W. Miller 1972-8-24 Riverside Northwest corner above small valley. Comment
  SDSU10377  Rhamnus ilicifolia H. Wedberg 1962-4-20 901 Riverside 8.4 miles from Hwy 79 in Hemet, and 0.5 mile from Cranston Ranger Station on road to Idyllwild. 610 Comment
  UCR53758  Rhamnus ilicifolia Ward B. Holt 1941-10-23 1941- 18 Riverside Southern Mojave Desert, Near Split Rock, Joshua Tree National Monument Comment
  RSA689699  Rhododendron occidentale Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1707 Riverside Fuller Mill Creek Picnic Area. 1524 Comment
  UCR251694  Rhus aromatica T. B. Salvato 2014-4-9 7833 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR26962  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  RSA386389  Rhus ovata N. C. Cooper 1944-4-22 1164 Riverside Banning, 732 Comment
  RSA696477  Rhus ovata Anonymous s.n. Riverside San Gorgonia River Bridge near Cabazon. Comment
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Mar 13 2011
  UCR268313  Rhus ovata Jim Andre 2012-6-15 30494 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR3294  Rhus ovata T. R. Plumb 1964-4-11 s.n. Riverside San Jacinto Mtns, North Mountain [=Mt. Edna?], Old Banning-Idyllwild Rd., 1/4 [mi.] south of Wolfskill Extension 945 Comment
  RSA667365  Rhus trilobata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands: Laborde Canyon and Adjacent s,opes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont., 33 53 45 N, 117 01 30 W 549 Comment
  SD216460  Rhus trilobata Jay B. Walker 1995-5-4 1412 Riverside San Bernardino National Forest. 1 kilometer South of Pinyon Flat campground. 1299 Comment
  SEINET244848  Rhus trilobata A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  CAS-BOT-BC92416  Ribes aureum var. gracillimum L. A. Greata 1908-4-6 6894 Riverside Eden Hot Springs 10 miles north of San Jacinto. Comment
  CAS-BOT-BC93061  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside Hidden Canyon near Corona. Santa Ana Mountains. Comment
  RSA439666  Ribes indecorum N. C. Cooper 1947-4-5 2111 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA476214  Ribes nevadense Gale Sphon 1955-5-21 s.n. Riverside Fullermill Creek. Comment
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Feb 22 2013
  UCSB2647  Ribes nevadense Newby, Ron 1959-5-16 Riverside 10 miles N of Idyllwild on hiway to Banning; in the San Jacinto mountains 1828 Comment
  RSA651709  Ribes roezlii Diane M. Ramirez 1983-5-1 25 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  RSA446204  Romneya coulteri Gale Sphon 1955-3-7 s.n. Riverside 3 miles east of Lake Elsinore. Comment
  RSA722426  Romneya coulteri Pomeroy 1929-5-11 s.n. Riverside Glenn Ivy Comment
  RSA16352  Rosa californica Percy C. Everett 1935-6-18 7180 Riverside Santa Ana Mts., main divide motorway to Santiago Park., 1 mi. from Ortega Highway. 732 Comment
  POM11501  Rubus parviflorus Philip A. Munz 1922-7-6 6028 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  RSA160533  Rubus parviflorus John Olmsted 1958-6-15 168 Riverside Dark Canyon at intersection of N Fork San Jacinto R with Idyllwild Banning Road, San Jacinto Mtns. 1509 Comment
  RSA741212  Rumex acetosella Scott D. White, Justin M. Wood 2008-5-15 11989 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  POM204505  Rumex acetosella M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR260198  Rumex hymenosepalus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4658 Riverside Western Mojave Desert, around the confluence of the San Gorgonio and Whitewater River drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point 340 Comment
  RSA0034564  Rumex obtusifolius Louis C. Wheeler 1933-8-5 2059 Riverside Millard's Canyon at foot of falls San Bernardino Mountains. 579 Comment
  UCR39468  Rumex salicifolius A. C. Sanders 1980-7-22 1721 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  UCR26533  Rumex salicifolius var. salicifolius A. C. Sanders, S. Hagopian 1981-5-20 568 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  UC980087  Ruppia cirrhosa D. F. Howe 1952-8-10 Riverside Lake Elsinore Comment
  UCR43752  Sagina C. Sylber 1986-5-20 s.n. Riverside Riverside, residential garden at 1040 Central Avenue 366 Comment
  UCR260217  Salazaria mexicana A. C. Sanders, Jim Malusa 2015-3-10 41377 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR85247  Salazaria mexicana A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, C. L. Sanders 1995-3-5 15988 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  JEPS38425  Salix exigua W. L. Jepson 1928-4-25 12569 Riverside Cottonwood Spring; Colorado Desert, Cottonwood Mts. 731 Comment
  POM296373  Salix exigua Lyman D. Benson 1945-4-6 11662 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  RSA181987  Salix exigua W. L. Jepson 1928-4-25 12569 Riverside Cottonwood Springs, Eagle Mountains. 732 Comment
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Oct 23 2011
  UCR138719  Salix exigua Julie A. Greene 1993-4-17 1220 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  CAS-BOT-BC108106  Salix gooddingii Geo. B. Grant 1906-5-1 6755 Riverside Colorado Desert at Palm Springs Comment
  SDSU12997  Salix gooddingii Michael G. Simpson 1999-10-27 2027 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR140699  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR155939  Salix gooddingii John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA596146  Salix laevigata D. L. Banks 1996-11-7 1194 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 473 Comment
  SD225103  Salix laevigata Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3849 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road 533 Comment
  UC1287122  Salix laevigata C. L. Hitchcock 1966-3-15 24153 Riverside 1 mi e Glen Ivy Hot Springs Comment
  UCR25939  Salix laevigata John C. Roos 1947-11-1 3758 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  POM50388  Salix lasiolepis W. W. Eggleston 1924-3-10 19540 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  UCR128252  Salix lasiolepis A. C. Sanders, Kelly Volansky 2003-10-16 27342 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  SD232665  Salsola paulsenii A. C. Sanders 1992-4-5 12160 Riverside Colorado Desert: Chuckwalla Velley, near Wiley's Well rest area on I-10, along dirt road to McCoy Spring. 399 Comment
  POM319717  Salsola tragus Patricia Wilder 1971-9-29 5259 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  HSC101582  Saltugilia australis Steve Boyd, Susan Jett 2008-3-20 11835 Riverside Peninsular Ranges; Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Highway Vehicle Area Comment
  POM46989  Saltugilia splendens Mary F. Spencer 1919-6-25 1214 Riverside San Jacinto Moutains: Idyllwild. 1616 Comment
  RSA469683  Saltugilia splendens N. C. Cooper 1949-6-29 4353 Riverside San Jacinto Mountains: Above Banning. 1220 Comment
  IRVC2064  Salvia apiana R. H. Whittaker, W. A. Niering 1963-5-29 SJ 52 Riverside Mountain Center to Hemet. San Jacinto Mountains 640 Comment
  IRVC2069  Salvia apiana R. H. Whittaker, W. A. Niering 1963-5-28 SJ 43 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  RSA411322  Salvia apiana N. C. Cooper 1944-5-6 2635 Riverside Whitewater Canyon. 457 Comment
  RSA525453  Salvia apiana Steve Boyd, Dave Bramlet 1990-4-29 4498 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA714428  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area. 450 Comment
  UCR156090  Salvia apiana T. B. Salvato, Kent Beaman 2005-5-16 805 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
  RSA564472  Salvia canariensis Don Pendleton 1992-5-12 s.n. Riverside City of Riverside. Mt. Rubidoux, beside road, near Peace Arch. Comment
  UCR76077  Salvia canariensis Don Pendleton 1992-5-12 s.n. Riverside City of Riverside, Mt. Rubidoux, near Peace Arch Comment
  RSA543192  Salvia carduacea Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6112 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
  SEINET7970252  Salvia carduacea I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-1 4624 Riverside Perres, Gavilan Peak. 600 Comment
  POM4128  Salvia columbariae Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains: Comment
  RSA170162  Salvia columbariae L. B. Ziegler 1964-8-18 s.n. Riverside Morris Ranch Road north of Kenworthy Ranger Station, Garner Valley, San Jacinto Mts. 1463 Comment
  UC25710  Salvia columbariae H. M. Hall Jun 1901 2288 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1600 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
  UCSB39326  Salvia columbariae Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  SEINET13947346 Image available Salvia columbariae Cameron Duncan 1966-1 s.n. Riverside 1/2 mi N of the Corner of Robers and Woods roads in Woodcrest (near Riverside); about 1800 ft alt. 549 Comment
  POM229037  Salvia eremostachya P. A. Munz 1937-5-30 15109 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA0003962  Salvia greatae H. M. Hall, L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas Comment
  UC883881  Salvia pachyphylla P. A. Munz 1922-6-25 5813 Riverside road from Vandeventer to Santa Rosa; Santa Rosa Mts. 1524 Comment
  SD185178  Sambucus nigra subsp. caerulea T. B. Salvato, Kent Beaman 2005-5-16 769 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA 74. 548 Comment
  SEINET3245731  Sanicula bipinnatifida John F. Green 2010-1 Riverside Peninusular Range: Perris-Aguanga Basin Region: Menifee area c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg. bend in Briggs Rd (Murrieta 7.5') 427 Comment
  UCR194215  Sarcostemma cynanchoides Scott D. White, Angelia Carey 2004-6-4 10470 A Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CDA15706  Sarcostemma hirtellum G. F. Hrusa, J. A. Hart 1993-4-4 10592 Riverside Cholla Garden, Joshua Tree NM. Comment
  RSA683868  Schismus barbatus Scott D. White, Michael Honer 2003-4-4 8956 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SD216459  Schismus barbatus Carol R. Annable 1995-3-10 2265 Riverside 1.6 kilometers south of Lake Cahiulla County Park. Comment
  UCR158724  Schismus barbatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30030 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
  UCR174144  Schismus barbatus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32516 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR23183  Schismus barbatus Jane Hildreth 1981-6-4 30 Riverside San Jacinto Mtns., c. 4.5 mi south of Banning along Hwy 243 915 Comment
  RSA658236  Schismus barbatus A. Sleigh, A. Haimov 1992-5-19 119 Riverside 40 meters east of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  UCR140700  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR89763  Schoenoplectus acutus var. occidentalis Scott D. White 1993-5-27 1435 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCR199651  Scirpus americanus Justin M. Wood 2008-7-16 31 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCR124658  Scrophularia californica B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1480 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  UCR263718  Scrophularia californica Mark A. Elvin, Tricia Wotipka 2002-4-30 1953 Riverside South Coast Floristic Ecoregion, Badlands east of Riverside, 5 km southwest of Beaumont, La Borde Canyon 793 Comment
  UCR41319  Scrophularia californica N. M. Fellows, A. C. Sanders 1985-5-7 180 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA388916  Scutellaria bolanderi subsp. austromontana T. S. Elias, Boyd, Tan 1986-7-23 10156 Riverside Santa Rosa Plateau: along Cole Creek. 610 Comment
  UCR193884  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35803 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA445340  Scutellaria siphocampyloides Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  UC1713652  Scutellaria siphocampyloides Elizabeth McClintock 1940-7-21 Riverside near Santa Rosa Springs; Santa Rosa Mountains Comment
  RSA618159  Secale cereale D. L. Banks 1997-5-5 2026 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of the casino, approximately 100 m south of the intersection of Pala Road and Wolf Valley Road 335 Comment
  UCR139242  Secale cereale A. C. Sanders, Kate Kramer 2003-6-11 26885 Riverside San Jacinto Mtns., along entrance road to McCall Memorial Park, near Mountain Center 1355 Comment
  CLARK-A1528-4075  Selaginella bigelovii John C. Roos 1952-4-9 5506 Riverside Riverside 335 Comment
  SBBG32469  Selaginella bigelovii L. S. Rose 1966-12-14 66107 Riverside Chino Cyn, 3 mi W of Palm Springs Desert 670 Comment
  UCR135835  Selaginella bigelovii A. C. Sanders 2004-4-20 27538 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
  UCR16847  Selaginella bigelovii P. A. Rauch 1966-2-12 s.n. Riverside SanJacinto Mtns., junction of N fork & S fork of San Jacinto River 659 Comment
  UCR177514  Selaginella bigelovii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32538 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  SEINET7048182  Selaginella bigelovii Steven R. Hill 2001-5-3 33691 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
  UC813068  Selaginella watsonii P. A. Munz 1922-6-27 5869 Riverside Toro Peak; Santa Rosa Mts. 2529 Comment
  POM319672  Senecio flaccidus var. douglasii Patricia Wilder 1971-9-29 5264 Riverside Base of San Jacinto. Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. 518 Comment
  RSA472962  Senecio flaccidus var. douglasii Erwin Miller, Jack Reupelt 1934-4-28 s.n. Riverside Pass between Lost Horse and Pleasant Valley. 1220 Comment
  UCR209591  Senecio flaccidus var. douglasii Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UCR261142  Senecio flaccidus var. douglasii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41737 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  JOTR37454  Senecio flaccidus var. monoensis Hodges, Stephen, T. Green 2016-5-24 576 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA0118057  Senecio mohavensis Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7614 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA777731  Senecio mohavensis J. Andre, Glenn L. Clifton 2011-2-22 17443 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  SD258341  Senecio mohavensis J. M. Andre 2013-3-4 23874 Riverside Parker SW; Riverside Mountains; east side of range, along rocky dirt road to historic mine are, 0.8 mi west of Hwy 95, approx 12 mi south of Vidal Jct 127 Comment
  RSA524465  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4068 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA387357  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
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Jan 6 2008
  RSA653580  Sesuvium verrucosum A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  NY180312  Sibaropsis hammittii S. D. Boyd 1992-3-31 6771 Riverside Santa Ana Mountains, Elsinore Peak (USGS Wildomar 7.5' quadrangle) 3320 Comment
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Nov 10 2010
  RSA507472  Sidalcea malviflora subsp. sparsifolia Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  RSA0028792  Sidalcea malviflora subsp. sparsifolia N. C. Cooper 1944-5-20 1240 Riverside Palms to Pines Highway. 1433 Comment
  RSA0088537  Sidalcea sparsifolia Giovanni Rodriguez 2016-4-2 20 Riverside Santa Ana mountains, Santa Rosa Plateau (vernal pool trail head). 625 Comment
  CAS-BOT-BC434381  Sidotheca trilobata Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SD22559  Sidotheca trilobata Susan G. Stokes 1933-8-1 Riverside Idyllwild Comment
  UCR98691  Silene gallica S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA784842  Silene laciniata J. D. Olmsted 1958-6-10 159 Riverside Santa Ana Mountains. Oak Flat Fire road 2 miles NE of Oak Flat and 7 miles SW of Corona (turn from US at Lincoln in South Corona by pottery shop). 777 Comment
  UCR48504  Silybum marianum Steve Boyd 1986-4-22 1726 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  CAS-BOT-BC202939  Simmondsia chinensis Ivan Johnston 1917-4-4 1081 Riverside Palm Canyon 365 Comment
  CAS-BOT-BC202953  Simmondsia chinensis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 277 Riverside Along trail, 50' south of Andreas stream, opposite mouth of North Canyon. Andreas Canyon, near Palm Springs 365 Comment
  JEPS40194  Simmondsia chinensis W. L. Jepson 1901-5-27 1480 Riverside Cahuilla Valley and Aguanga; Cahuilla Valley