Search Results — 2000 specimen records retrieved (1882 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG94852  Abies concolor F. C. Vasek 1977-11-25 771125 -6 Riverside Boulder Basin Cmpgrd, just below Black Mtn Look Out Comment
  UCD134183  Abies concolor Frank C. Vasek; K. Neisses 1979-7-26 790726 -9 Riverside Santa Rosa Mountains; Stump Spring Campground. Comment
  PASA1845  Abronia villosa R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  CLARK-A1528-3255  Abronia villosa var. aurita John C. Roos 1942-6-20 1279 Riverside San Jacinto Valley Comment
  UCR115994  Abronia villosa var. aurita A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23315 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  CSUSB1008  Abutilon theophrasti Oscar F. Clarke 1967-6-9 Riverside O.F. Clarke residence, Spruce Street, in city of Riverside. Comment
  CAS-BOT-BC30910  Acamptopappus sphaerocephalus Howard Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  UCR25767  Acer negundo John C. Roos 1949-4-2 4134 Riverside upper San Timoteo Canyon Comment
  UC217887  Acer negundo var. californicum P. A. Munz 1922-6-24 5804 Riverside along upper parts of Pipe Creek San Jacinto Mts., , Pipe Creek (Hemet Valley) 1584 Comment
  POM365981  Achnatherum hymenoides Martha Hilend 1928-3-11 107 Riverside About 6 miles SE of Garnet Station Comment
  RSA772841  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4722 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 W116.65121 604 Comment
  SBBG57048  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2590 Comment
  RSA126801  Achnatherum speciosum H. S. Yates 1937-3-24 6463 Riverside Near Head of Deep Canyon. 914 Comment
  JOTR35356  Achyronychia cooperi Harding, Mitzi, M. Wheeler 2011-1-26 109 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, between NE Eagle Mountains and W Coxcomb Mountains along dirt road (STOP1) 267 Comment
  CAS-BOT-BC213472  Acmispon argophyllus var. argophyllus D. W. Kyhos 1962-3-7 62 -79 Riverside About 2 miles east of alpine Cafe on Palms to Pines Highway near Nightingale trunoff. Comment
  SD70398  Acmispon maritimus var. brevivexillus W. L. Jepson 1927-4-12 11640 Riverside Painted Canyon, north of Mecca. 75 Comment
  SD70397  Acmispon rigidus W. L. Jepson 1914-5-17 Riverside Summit Cottonwood Mountains 914 Comment
  RSA0124285  Acmispon strigosus Duncan S. Bell 2016-4-16 9325 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SDSU13586  Acmispon strigosus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UC485223  Acourtia microcephala Fred M. Reed 1904-6-29 632 Riverside above Gage Canal, No. 2 Flume ((canyon on Riverside-Redlands road)); Riverside (vicinity) Comment
  UCD128475  Acourtia microcephala Steve Myers 1988-6-30 s.n. Riverside Murrieta area, between Highway I-15 and Jackson Street, around 0.5 mile southeast of Inland Valley Medical Center, near Clinton Keith Road. Comment
  UCR154623  Acourtia microcephala A. C. Sanders, Mike Misenhelter 2005-6-15 30990 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  HSC5472  Adenophyllum porophylloides C. L. Hitchcock, C. V. Muhlick 1964-3-22 23270 Riverside Pinto Basin; Joshua Tree National Monument Comment
  JOTR31947  Adenophyllum porophylloides La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2185 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  SD146171  Adenostoma fasciculatum Andy C. Sanders, S. D. Boyd, M. Provance 1999-9-14 23074 Riverside San Bernardino Valley; Colton Dunes, dune remnant on Slover Ave. between Pepper Ave and the tank farm, ca. 1 mile due W of Slover mtn. 320 Comment
  UCR174954  Adenostoma fasciculatum Jennifer H. Jones 2006-6-6 383 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  SD72234  Adenostoma sparsifolium Russell S. Woglum 1937-10-20 1185 Riverside Santa Rosa Mountains Comment
  SEINET11908936  Adenostoma sparsifolium R. A. Schlising 1968-1 2905 Riverside San Jacinto Mountains, short distance S of Idyllwild on Hwy R-1 Comment
  RSA33825  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UCR13753  Adiantum capillus-veneris N. R. Zabriskie, W. M. Zabriskie 1971-11-27 466 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' north of stream bank, & c. 200 yards below juncture w/ 'north canyon'; Andreas Canyon, E slope of mountains. 360 Comment
  RSA586096  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-3-30 119 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  POM157937  Agoseris heterophylla var. heterophylla P. A. Munz 1927-5-21 10832 Riverside Coahuila Valley. Comment
  UC63089  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 Riverside in meadows of Thomas Valley; San Jacinto Mountains 1371 Comment
  RSA784536  Agrostemma githago J. D. Olmsted 1959-7-4 736 Riverside Strawberry Creek Drainage Area: Along tributary from south of Lily rock 0.25 mi above junction with Strawberry Creek 0.5 mi above Idyllwild. 1677 Comment
  UCD52431  Agrostis exarata August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Sep 8 2011
  UCR96425  Agrostis pallens Scott D. White 1996-8-1 4425 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SEINET3105940  Allenrolfea occidentalis Faulkner 1978-3-21 343 Riverside 9 miles N of Blythe, Hwy 95 152 Comment
  IRVC12870  Allium denticulatum C. A. Taylor 1966-5-15 66 144 Riverside Pinyon Flats; San Bernardino National Forest; near Hwy 74; ca. 20 yds from the road. San Jacinto Mtns Comment
  CAS-BOT-BC131989  Allium haematochiton Steve Boyd 1986-3-9 1395 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and [Horsetheif] Horsethief Wash 365 Comment
  RSA524402  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4094 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR27415  Allium haematochiton John C. Roos 1950-3-18 4714 Riverside Peninsular Range, 3 - 4 mi north of Murrietta in the hills 457 Comment
  RSA770535  Allium lacunosum var. lacunosum S. Mashayekhi, M. Biabani, Steve Boyd 2008-4-15 SM 011 Riverside East of Elsinore Peak, on clay hill. Comment
  POM123076  Allium praecox Wilder 1905-04 s.n. Riverside Riverside. Comment
  UC1929473  Allophyllum Scott D. White, Michael Honer 2003-6-3 9486 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR274314  Allophyllum Jennifer H. Jones, Scott D. White 2005-5-25 s.n. Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  UC52549  Allophyllum gilioides subsp. violaceum H. M. Hall July 1901 Riverside vicinity of Deer Springs (Accordion Creek); San Jacinto Mts., Accordion Creek 2438 Comment
  UCR138611  Alnus rhombifolia D. L. Banks 1996-11-7 1189 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 200 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 457 Comment
  UCR142773  Alnus rhombifolia I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  UCR196896  Alnus rhombifolia A. C. Sanders, D. L. Sanders 2008-9-27 36102 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
  UCR77685  Amaranthus albus Steve Boyd 1991-7-13 6415 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  UCR20310  Amaranthus blitoides John C. Roos 1965-7-27 s.n. Riverside Hemet Comment
  CLARK-A1528-1397  Amaranthus fimbriatus John C. Roos 1946-9-14 3019 Riverside Asbestos Mountain 1097 Comment
  CAS-BOT-BC502099  Amaranthus hybridus R. E. Riefner, Jr. 2015-10-22 15 -419 Riverside Perris/Sun City area, E side of I-215, W side of Encanto Dr. between Rouse Rd. and Shadel Rd. 450 Comment
  RSA608468  Amaranthus palmeri R. S. Woglum 1941-6-12 3061 Riverside Idyllwild Comment
  UCR278799  Ambrosia confertiflora Arlee Montalvo, Erika Presley, Shani Pynn 2016-10-12 672 Riverside Temescal Valley; restored portion of wash in Dos Lagos - Temescal Wash Conservation Easement through Dos Lagos Golf Course, just N of main bridge below golf club, E of intersection of Temescal Canyon Dr. & Cabot Dr. 260 Comment
  CAS-BOT-BC22594  Ambrosia dumosa M. McCollum 1976-6-10 2008 Riverside 4 mi. W of Desert Hot Springs 304 Comment
  CAS-BOT-BC22602  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -329 Riverside Joshua Tree National Monument: about 3 mi S of Entrance to Cottonwood Springs Campground Comment
  CDA9983  Ambrosia dumosa C. R. Tower Jun 1953 Riverside East of Desert Center. 0 Comment
  RSA696753  Ambrosia dumosa J. Russell Bruff 1932-3-21 s.n. Riverside 1000 Palms. Comment
  SBBG109173  Ambrosia dumosa D. Wilken with G. A. Wilken 1997-11-1 15372 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SDSU6231  Ambrosia dumosa A. H. Gallup 1949-3-28 355 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert], east slope, San Jacinto Mt. Range 762 Comment
Read comments
Jan 30 2013
  SEINET735848  Ambrosia dumosa L. R. Landrum 1998-12-24 9367 Riverside West Palm Springs exit of Hwy 10 across street from Motel 6 in small remnant of desert vegetation. Comment
  SFV11884  Ambrosia dumosa 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
  UC1366082  Ambrosia dumosa Nancy Ryan Zabriskie 1969-4-27 206 Riverside near, (Andreas Canyon) Palm Springs; Andreas Canyon 365 Comment
  UC62863  Ambrosia dumosa H. M. Hall May 17 1901-Jun 1 1901 1868 Riverside near, (journey of Jepson & Hall from Riverside to Santa Rosa Pk & Palomar) Palm Canon 609 Comment
  UCR148486  Ambrosia dumosa John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24 (near 23), just north of Salt Creek crossing 23 Comment
  CAS-BOT-BC30800  Ambrosia ilicifolia P. A. Munz; D. D. Keck 1922-4-9 4782 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA596675  Ambrosia psilostachya Darin L. Banks, Lauren Raz 1996-11-5 1184 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCSB9148  Ambrosia psilostachya Ballard 1954-10-26 Riverside 3 miles south of Men's Reform School (Chino Institute), Chino 182 Comment
  UCR232764  Ambrosia pumila John Dvorak, Ana Hernandez 2011-9-7 020 Riverside Perris/Aguanga Basin, north Alberhill, c. 180 m south of the intersection of Lake Street and Temescal Canyon Road, 110 m east of Lake Street 378 Comment
  CAS-BOT-BC273033  Ambrosia salsola 1939-3-30 3346 Riverside Between Mecca and Blythe on old highway Comment
  UCD128884  Ambrosia salsola R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  SD216462  Ambrosia salsola var. salsola Carol R. Annable 1995-3-10 2263 Riverside 1.6 kilometers South of Lake Cahuilla County Park. Comment
  UC897997  Ambrosia salsola var. salsola F. A. Thackery 1928-4-18 189 Riverside Morongo Canyon Comment
  UCSB10223  Ambrosia salsola var. salsola Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  UC718408  Amorpha californica var. californica Carl B. Wolf 1933-8-24 5380 Riverside 1/2 mi below summit of Bedford Motorway; E. Slope Santa Ana Mts. 975 Comment
  CAS-BOT-BC213972  Amsinckia John H. Thomas 1957-3-29 6515 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  UCR261444  Amsinckia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41435 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA499976  Amsinckia intermedia David Young 1969-4-12 P 403 Riverside 10 mi. SE. of Helmet, California on State St. 335 Comment
Read comments
Apr 6 2013
  SDSU18973  Amsinckia intermedia C. Matt Guilliams 2008-2-27 487 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR174108  Amsinckia intermedia A. C. Sanders 2006-5-19 32425 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
  UCR241948  Amsinckia intermedia A. C. Sanders, Timothy W. Chumley 2013-3-28 40707 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  UCR2879  Amsinckia intermedia N. J. Matthews 1963-4-10 41063 2 Riverside 2 mi east of junction of Pigeon Pass Rd and Mt. Vernon along roadside 488 Comment
  UCR180049  Amsinckia retrorsa Mitch Provance 2005-5-18 9807 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UC878733  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5882 Riverside 1/2 mi. below Cottonwood Spring Comment
  RSA191392  Anagallis arvensis Robert F. Thorne 1967-10-27 6674 Riverside 5 mi. NW of Murrieta, Santa Rosa Ranch. Comment
  RSA757457  Anagallis minima Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55198 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  SD68968  Anagallis minima Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37576 Riverside Santa Rosa Plateau: marsh on Mesa de Colorado, Rancho California 671 Comment
  RSA387349  Ancistrocarphus filagineus Steve Boyd 1986-4-10 1643 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon, 1 mi. E of Indian Truck Trail. Comment
  CAS-BOT-BC400337  Anemopsis californica Peter H. Raven; Sidney R. Snow 1956-6-30 9529 Riverside 4.7 miles east of Temecula on Highway 71 Comment
  RSA170216  Anemopsis californica John Weiler, Roy L. Taylor 1961-5-12 61127 Riverside North of Temecula along U.S. 395, 3.4 miles south of Murietta Hot Springs lateral. Comment
  UC489016  Anisocoma acaulis C. V. Meyer 1929-6-10 763 Riverside Saunder's Meadow; San Jacinto Mt. 1706 Comment
  UCR111741  Anthemis cotula S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  UCR121190  Anthriscus caucalis D. E. Bramlet 1990-4-26 1975 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  RSA160539  Antirrhinum coulterianum J. D. Olmsted 1959-5-14 630 Riverside Jurupa Hills in burned over area near the abandoned marbla quarry at west end of the range Comment
  RSA182339  Antirrhinum coulterianum J. D. Olmsted 1962-5-1 3429 Riverside NE slope just west of top of highest Southern California waterfall; 1/4 miles. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto Comment
Read comments
Nov 24 2011
  SBBG117123  Antirrhinum coulterianum J. Chandler 2003-6-24 Riverside across from 42525 Wildwood Lane, Aguanga Comment
  UCR110983  Antirrhinum coulterianum George K. Helmkamp 1998-6-27 4081 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  JEPS83316  Antirrhinum filipes David M. Thompson 1983-4-11 260 Riverside S of Morongo Valley (San Bernardino County) NE corner of the intersection of Indian Avenue and Worsley Road near Hwy. 62. Morongo Valley Quad. (15', 1955) 487 Comment
  RSA425812  Antirrhinum filipes Christopher Davidson, J. Jones 1980-4-4 9944 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak. Comment
Read comments
Sep 17 2011
  RSA425815  Antirrhinum filipes Christopher Davidson 1979-4-4 7716 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR278899  Antirrhinum majus Mitch Provance 2011-7-3 17191 Riverside Santa Ana River Valley, Rubidoux, west corner of Rubidoux Blvd. and 28th St. 259 Comment
  UC26372  Antirrhinum nuttallianum subsp. nuttallianum Geo. R. Hall 1901-3-30 1709 Riverside near Riverside Comment
  RSA180423  Apiastrum angustifolium E. W. Lathrop 1965-5-9 5729 Riverside 6 miles W of Murrieta. Comment
  UCR174064  Apiastrum angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32517 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
  HSC85249  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR183024  Aptenia cordifolia Mitch Provance 2001-4-21 4634 Riverside San Bernardino Valley, Jurupa Mountain Range, Sunnyslope, SE base of Noname Mt. (c. 0.7 mi SSE of peak 1913) 335 Comment
  RSA761226  Aquilegia formosa Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 731 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SDSU9933  Aquilegia formosa Garrison 1962-7-29 Riverside 0.25 miles from center of Idyllwild village in dense growth along bank of Strawberry Creek. 1615 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
  RSA0125490  Arabis M. B. Dunkle 1935-3-31 4436 Riverside Hills North Cottonwood Springs. Colorado Desert. 701 Comment
  UC216812  Arabis glaucovalvula H. M. Hall May 1905 6019 Riverside Cottonwood Springs Colorado Desert Comment
Read comments
Oct 9 2010
  UCR174539  Arabis sparsiflora Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 357 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  RSA683091  Arceuthobium campylopodum Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA629130  Arctostaphylos Jon E. Keeley 1992-7-17 16762 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UCR54263  Arctostaphylos A. C. Sanders, E. J. Lawlor 1988-10-22 8731 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA629401  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19520 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SEINET12524577 Image available Arctostaphylos glandulosa A. E. Wieslander 1938-1 822 Riverside Idyllwild, San Jacinto quadrangle sec. 24, T. 5S., R. 2E. 1524 Comment
  RSA0063794  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-5-25 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
  RSA629464  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16817 Riverside Rd. to Thomas Mtn. (5S15), 11 km north of Toolbox Spring. San Jacinto Mtns. 1520 Comment
  HSC47418  Arctostaphylos glauca Richard Spjut, C. E. Edson 1978-5-5 5018 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  RSA631787  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16732 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  SBBG97195  Arctostaphylos glauca W. L. Halvorson 1977-4-1 77 -220 Riverside 5 mi S of Temecula on County Rd S16 Comment
  POM367325  Arctostaphylos glauca var. glauca E. Crow 1929-4-7 322 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  RSA633538  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22661 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633621  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16693 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633673  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20110 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633743  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20125 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635306  Arctostaphylos patula Jon E. Keeley 1992-11-11 22539 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  CLARK-A1528-1139  Arctostaphylos pringlei subsp. drupacea Sherri Stange 1980-5-26 Riverside San Jacinto Mountains 1523 Comment
  NY43173  Arctostaphylos pringlei subsp. drupacea J. B. Walker 1995-5-3 1409 Riverside San Bernardino National Forest, S of Pinyon Flat Campground, at terminus of USFS Rd 1900 Comment
  CSUSB1396  Arctostaphylos pringlei var. drupacea Markell Kohn 1959-4-19 Riverside On Banning- Idllywild Road, 2.8 miles north (below) of Grande Vista Ranger Station. Comment
  RSA1425  Arctostaphylos pungens B. D. Stark 1930-3-18 1488 Riverside South Keen Camp, San Jacinto Mts. Comment
  RSA635808  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16547 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  SD143522  Arctostaphylos pungens W. L. Halvorson 1977-4-1 77 220 Riverside 5 miles south of Temecula on State Route S-16 Comment
  RSA636000  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19547 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636027  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15062 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  SEINET12524530 Image available Arctostaphylos tomentosa subsp. crustacea M. F. Buell, Helen F. Buell 1961-1 s.n. Riverside Santa Ana mts., S of Corona. 1158 Comment
  CLARK-A1656-729  Argemone munita Lois Ann Scott 1979-5-4 Riverside San Jacinto Mountains Comment
  UCR3412  Argemone munita H. M. Whistler 1964-5-3 640503- 04 Riverside Jack Rabbit Trail, 2.2 mi from its junction with State Hwy 79 610 Comment
  RSA105975  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  RSA717652  Aristida adscensionis Scott D. White, Pam DeVries 2006-3-14 11251 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR148855  Aristida adscensionis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR30059  Aristida adscensionis George K. Helmkamp 1983-4-5 483- 28 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JOTR30121  Aristida californica var. californica La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1687 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill. 538 Comment
  SEINET14214762  Aristida purpurea J. C. Roos 1965-8-15 Riverside Gilman Hot Springs, San Jacinto Valley Comment
  UCR136196  Aristida purpurea var. fendleriana A. C. Sanders 2004-6-20 28224 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  CLARK-A1528-7798  Aristida purpurea var. nealleyi John C. Roos 1949-4-11 4242 Riverside Hayfield Comment
  JOTR29525  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  RSA457405  Aristida purpurea var. purpurea J. C. Roos 1965-9-26 s.n. Riverside Palm Springs. 122 Comment
  HSC8967  Aristida ternipes var. hamulosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23113 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA545214  Artemisia californica R. F. Thorne 1970-10 41875 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA596672  Artemisia californica Darin L. Banks, Lauren Raz 1996-11-5 1146 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SFV3693  Artemisia californica M. L. Vincent, R. H. Swade 1963-10-19 458 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  UC1929757  Artemisia ludoviciana subsp. incompta Scott D. White 2003-10-9 9824 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. San Jacinto Peak 7.5' Quad. Comment
  RSA507495  Arthrocnemum subterminale L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside 1 mi E of of Perris. 427 Comment
  CLARK-A1528-7777  Asclepias albicans John C. Roos 1965-7-23 Riverside Eagle Mountains Comment
  UCR200260  Asclepias albicans J. M. Porter, Orlando Mistretta 2003-6-5 13604 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Chocolate Mountains. Chocolate Mountains Bombing and Gunnery Range. Unnamed canyon, south of Salt Creek, accessed via Siphon 21 of the Coachella Canal, fork running east, above the pour-off 439 Comment
  POM3353  Asclepias californica P. A. Munz 1918-4-27 2151 Riverside Temescal Canyon Comment
  RSA0104757  Asclepias californica D. L. Banks 1997-2-23 1308 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA401680E  Asclepias eriocarpa M. B. Dunkle 1933-7-20 3639 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SEINET10580568  Asclepias erosa Harvey M. Hall Hall s.n. 1899 Riverside San Jacinto Mountains, base of El Toro Mt. 1433 Comment
  SDSU13501  Asclepias fascicularis W. Miller with C. Mosse 1972-7-20 Riverside West of R.C. Weather Station. Comment
  POM123014  Asclepias subulata Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  RSA701412  Aspidotis californica Steve Boyd, Aydee Virgen 2004-4-13 10897 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  POM17575  Aster bernardinus Dr H. Baer 1923-9-23 s.n. Riverside 2 miles S of Murietta. Comment
  CLARK-A1528-450  Astragalus aridus Charlotte Stocks 1963-5-19 Riverside Coachella Valley Comment
  CAS-BOT-BC178629  Astragalus coccineus Ivan Johnston 1917-4-4 1063 Riverside Bottom of sandy draw, Palm Canyon - Colorado Desert 640 Comment
  UC217895  Astragalus crotalariae P. A. Munz, D. Keck 1922-4-8 4743 Riverside 1/2 mi e Indio (Colorado Desert); , e of Indio -15 Comment
  CSUSB950  Astragalus douglasii Pam Maynard 1974-5-26 Riverside Mount San Jacinto Mount San Jacinto- Idyllwild. Mount San Jacinto Park- campground #14 1828 Comment
  POM172030  Astragalus gambelianus F. M. Reed 1930-4-15 6815 Riverside Plateau south of Gavilan Peak. [Gavilan Plateau] Comment
  UCR174318  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32554 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC187114  Astragalus lentiginosus var. borreganus F. H. Billings 1926-1-20 25 Riverside Indio Comment
  RSA415585  Astragalus lentiginosus var. coachellae George B. Grant 1906-5-10 1931 Riverside Palm Springs. Comment
  UCR160704  Astragalus lentiginosus var. coachellae Michael A. Patten 1993-3-21 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, NE of intersection of Frank Sinatra Dr. & Portola Ave., near Dry Camp Siding, 'Cook St. interchange' project 61 Comment
  RSA27928  Astragalus lentiginosus var. variabilis C. L. Hitchcock 1940-4-4 5958 Riverside Pinto Basin. Comment
  CAS-BOT-BC178063  Astragalus nuttallianus Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6420 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  RSA336199  Astragalus nuttallianus var. cedrosensis R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52013 Riverside Chino Canyon. Comment
  RSA415620  Astragalus nuttallianus var. imperfectus H. M. Hall 1897-4-10 434 Riverside San Jacinto Mts., San Jacinto Lake Comment
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Sep 7 2011
  RSA653167  Astragalus nuttallianus var. imperfectus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 520 Comment
  CAS-BOT-BC192762  Astragalus palmeri Reid Moran 1941-5-4 837 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  JOTR34280  Astragalus palmeri La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3295 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  RSA90638  Astragalus palmeri F. W. Peirson 1921-3-23 4752 Riverside Deep Canyon, SE of Palm Springs. 335 Comment
  RSA552694  Astragalus pomonensis Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-26 6702 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA713871  Astragalus pomonensis M. Wall 2006-3-17 411 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  UC81481  Astragalus pomonensis T. S. Brandegee 1902-5-14 Riverside Banning Comment
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Mar 13 2011
  UCR127359  Astragalus pomonensis A. C. Sanders, D. Malueg 2003-5-8 26566 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
  UCR92315  Astragalus pomonensis Scott D. White 1994-3-29 1930 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UC472700  Astragalus sabulonum M. F. Spencer 1922-3-24 Riverside Mecca , Mecca (Colorado Desert) -106 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
  UCR91430  Athysanus pusillus Scott D. White 1995-3-30 2645 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR97475  Athysanus pusillus A. C. Sanders 1997-3-1 19701 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCSB45948  Atrichoseris platyphylla Roos, John 1966-3-26 Riverside 2 miles S.E. of Desert Center Comment
  UCSB6375  Atrichoseris platyphylla Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  POM278724  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana River NW of Arlington 198 Comment
  RSA5461  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET3930583  Atriplex canescens Grant D. Brown 1950-12-2 594 Riverside Santa Ana River NW of Arlington.; 0 198 Comment
  SFV11874  Atriplex canescens 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
  RSA296151  Atriplex canescens subsp. canescens B. A. Prigge 1980-8-25 4009 Riverside San Gorgornio Pass: 1 mi. SE of Fingal siding, S Pacific RR. 427 Comment
  RSA0078485  Atriplex canescens var. canescens Sarah J. De Groot, Duncan S. Bell 2015-9-21 7582 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Near Potrero Sping near head of Potrero Canyon, west of Dunn Road, northwest of Asbestos Mountain, southwest of Haystack Mountain. 1084 Comment
  JOTR34410  Atriplex canescens var. laciniata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3097 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring, near oasis 914 Comment
  RSA0015058  Atriplex coronata var. notatior D. E. Bramlet, F. Roberts, I. Anderson 2005-6-10 3877 Riverside 4.5 miles west of Hemet, 2000 feet south of Stetson and 700 feet east of California. 456 Comment
  RSA532566  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2195 Riverside The popualtion os approximatly 810m. west of the San Jacinto River. some 500m east of the intersection of Pozos Ave. anf the MWD Colorado aqueduct easement Road., The population is found some 4m north of the road. 473 Comment
  UCR159813  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4315 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
  UCR182507  Atriplex coronata var. notatior Mitch Provance 2005-5-17 6594 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
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Jan 6 2008
  UCR85573  Atriplex coronata var. notatior Julie A. Greene 1993-6-11 1361 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north side of San Jacinto River levee, west of Davis Road 436 Comment
  SJSU1866  Atriplex hymenelytra R. L. Fisher 1957-4-20 Riverside near Indio Comment
  UC69316  Atriplex hymenelytra L. A. Greata Apr. 1905 Riverside Coachella Comment
  RSA784979  Atriplex lentiformis Duncan S. Bell 2012-3-18 3223 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
  SEINET4135185  Atriplex lentiformis Grant D. Brown 1949-12-15 480 Riverside Salton Sea basin Drainage Area. Mecca, CA.; 0 Comment
  RSA289849  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-9-17 4057 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  UCR100867  Atriplex polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2707 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR92294  Atriplex semibaccata Scott D. White, S. Ogg 1994-10-17 2457 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA532584  Atriplex serenana var. davidsonii D. Bramlet 1991-6-20 2200 Riverside San Jacinto Wildlife Area. Approximately 8 m. E of Davis Road and some 150 m. N of the San Jacinto River levee. Old Riverbed area beside the existing channelized area of the San Jacinto River. 475 Comment
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Jan 16 2013
  UCR272488  Atriplex suberecta Mitch Provance 2013-6-16 613- 20 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA385380  Avena barbata N. C. Cooper 1944-3-24 1010 Riverside Banning. 701 Comment
  SBBG72745  Ayenia compacta M. D. Clary 1931-4-4 1282 Riverside Coral Reef Cyn 15 Comment
  POM253447  Baccharis brachyphylla E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  SD9147  Baccharis glutinosa C. R. Orcutt Nov 1883 Riverside Riverside Comment
  UCR215617  Baccharis salicifolia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 01 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  POM96063  Baccharis salicifolia Philip A. Munz 1925-12-31 10821 Riverside Thousand Palms Comment
  UCR241396  Baccharis salicina T. B. Salvato 2013-3-22 7391 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
  UC472187  Baccharis sergiloides Geo. B. Grant 1900-1 6749 Riverside Palm Springs Colorado Desert Comment
  UCR196167  Baccharis sergiloides R. F. Thorne 1966-10-15 41819 Riverside Colorado Desert: Western Colorado Desert region/San Jacinto Mountains, Dead Indian Canyon, near Palm Desert at foot of Palms to Pines Hwy 366 Comment
  UC1922866  Baccharis sergiloides Robert F. Thorne 1966-10-15 41819 Riverside DEAD INDIAN CANYON: Near Palm Desert at foot of Palms to Pines Hwy. Comment
  CAS-BOT-BC295891  Bahiopsis parishii Lewis S. Rose 1935-12-23 35701 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 1066 Comment
  POM172024  Bahiopsis parishii Philip A. Munz 1930-5-1 11924 Riverside One mile east of Cabazon Comment
  RSA26988  Bahiopsis parishii C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring. Comment
  RSA0124816  Baileya multiradiata Duncan S. Bell, LeRoy Gross 2016-3-9 8854 Riverside Orocopia Mountains; northern section of range, approximately 0.5 air mile south of Chiriaco Summit. 546 Comment
  POM30716  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA48417  Baileya pauciradiata E. K. Balls 1949-4-2 12902 Riverside sand N of Salton on Hwy 111, Colorado Desert -61 Comment
  UC472195  Baileya pauciradiata S. B. Parish 1907-4-19 6080 Riverside Palm Springs Colorado Desert Comment
  UCR116835  Baileya pauciradiata Helen Kennedy, Fred R. Ganders 1980-4-15 4065 Riverside Sonoran (Colorado) Desert, along [Box Canyon] road between Mecca and Hwy. 10 300 Comment
  JOTR32373  Baileya pleniradiata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2484 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  RSA350776  Bebbia juncea Joseph A. Ewan 1931-4-4 4155 Riverside Summit E of Shaver's Well 518 Comment
  SD229077  Bebbia juncea var. aspera Dick Schwenkmeyer 2012-5-22 724 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR18763  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 488 Comment
  RSA0008555  Berberis nevinii J. C. Roos, Lucille Roos 1949-5-21 4321 Riverside Near Vail Dam, 2 miles north of Dripping Springs, southwestern Riverside County. Comment
  CAS-BOT-BC207050  Bernardia incana Annie M. Alexander; Louise Kellogg 1941-5-10 2144 Riverside Small canyon 3 miles northeast of Cottonwood Spring, Eagle Mountains 1036 Comment
  RSA334998  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  CLARK-A1528-1652  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  CAS-BOT-BC16092  Boechera californica J. F. Emmel 1969-6-25 170 Riverside San Jacinto Mountains. Idyllwild, between Double View Drive and Middle Ridge Drive on fire trail. Comment
  UCSB26857  Boechera californica Gerhart, Janet 1963-5-3 Riverside 8.5 miles north of Lake Fulmor Picnic area on Banning-Idyllwild road 1219 Comment
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Mar 14 2014
  SD129258  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target, along wash. UTM: 11S PH-35E, 07N 680 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
  RSA0093773  Boerhavia coulteri Duncan S. Bell 2015-9-30 8681 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SD255216  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley north of I-10. 106 Comment
  UC1587773  Boerhavia coulteri var. palmeri Duane Atwood 1991-9-9 17074 Riverside 4.8 mi. w. Chirachoa Summit (along I-10) Comment
  UC851715  Boerhavia wrightii C. Epling and Wm. Stewart 1936-9-1 Riverside Desert Center Comment
  UCR142039  Bothriochloa barbinodis Mike Misenhelter 2004-10-1 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns, Bronson property (around triangular pond seen on topo), c. 3.5 miles SW of Temecula near Santa Margarita River 427 Comment
  RSA0043064  Bouteloua aristidoides Duncan S. Bell, LeRoy Gross 2014-3-20 6268 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCR33704  Bouteloua aristidoides Sears 1977-10-10 S- 531 Riverside Sonoran (Colorado) Desert, 23 mi. north of Desert Center, 3 mi. south of Hwy 62 Junction 335 Comment
  POM259504  Bouteloua barbata E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon branching from Fargo Canon 5 mi. east Indio. 244 Comment
  RSA793924  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCD56853  Bouteloua barbata S. B. Parish 1912-6-28 8102 Riverside Mecca. Salton Basin. Comment
  JOTR29522  Bouteloua curtipendula La Doux, Tasha, Mike Bell 2006-9-6 1580 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam Comment
  SD236161  Bowlesia incana John F. Green 2006-5-2 Riverside Peninsular Ranges: French Valley; small unnamed drainage in agricultural field along Leon Road 409 Comment
  UCR234284  Bowlesia incana A. C. Sanders, John F. Green 2012-4-6 40012 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR49219  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR189571  Boykinia rotundifolia Theresa Johnson 2006-7-18 234 Riverside Santa Ana Mountains, on border of Riverside/ Orange County off the lower Holy Jim Trail 1232 Comment
  JEPS42502  Brandegea bigelovii W. L. Jepson 1928-4-25 12593 Riverside Colorado Desert, Cottonwood Mountains, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Mts, Cottonwood Spring 731 Comment
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Oct 9 2010
  OBI8337  Brandegea bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12059 Riverside Along Box Cyn Rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  UC604848  Brandegea bigelovii Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi from Cottonwood Springs (n end of Pinto Basin); Pinto Basin Comment
  RSA0009725  Brandegea bigelovii Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA0034839  Brassica geniculata Norman C. Cooper 1944-5-19 1275 Riverside Banning. 701 Comment
  UCR172276  Brassica nigra John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Benton Road 409 Comment
  RSA678269  Brassica tournefortii V. Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1079 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR213390  Brassica tournefortii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37460 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  POM182399  Brickellia arguta A. M. Alexander 1941-5-10 2145 Riverside 3 mi. NE of Cottonwood Springs, Eagle Mountains 1037 Comment
  JOTR30933  Brickellia californica La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1413 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
  SD239574  Brickellia desertorum Fred M. Roberts, Robert L. Allen, Sandra Leatherman 2009-10-2 7166 Riverside Santa Ana Mountains: Ridge between Mabey and Tine Mine Cyns., 4.2 km by road above Forest Service gate, 2.9 km SE Sierra Peak. Northeast-facing slope, road cut and adjacent slope. 708 Comment
  UCR163887  Brickellia desertorum B. G. Pitzer 2001-11-4 4350 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR25197  Brickellia desertorum John C. Roos 1950-12-2 5029 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  UC194825  Brickellia incana S. B. Parish 1916-5-13 10848 Riverside Cottonwood Springs, Colorado Desert Colorado Desert, Cottonwood Springs 792 Comment
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Oct 9 2010
  CAS-BOT-BC100608  Brickellia oblongifolia var. linifolia H. M. Hall 1901-6-1 2142 Riverside San Jacinto Mountains, Easetern base, along the borders of the Colorado Desert Comment
  UCR196006  Brodiaea filifolia R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52007 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  SD114890  Brodiaea terrestris subsp. kernensis Earl W. Lathrop 1979-5-16 Riverside Mesa de Colorado, 6 miles west, Murrieta. About vernal pools, border of pools in the grassland. (IPB 2/08) Comment
  UCR243179  Bromus A. C. Sanders 2013-7-6 40854 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at junction with small side road 1905 Comment
  RSA741173  Bromus carinatus Scott D. White, Justin M. Wood 2008-5-15 12010 Riverside Johnson Meadow. 1415 Comment
  RSA0037319  Bromus carinatus John F. Emmel 1993-5-30 1263 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  UC37667  Bromus carinatus var. carinatus H. M. Hall June, 1901 2033 Riverside San Jacinto Mountains 1341 Comment
  UC37668  Bromus carinatus var. carinatus H. M. Hall 1901-7-19 2462 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2133 Comment
  JOTR35181  Bromus catharticus var. catharticus Harding, Mitzi, T. Herskovits 2011-9-14 163 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  POM122857  Bromus grandis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA715940  Bromus hordeaceus Scott D. White, Angelia Carey 2004-4-5 10026 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC1925783  Bromus laevipes Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1286 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  UCR2245  Bromus rubens F. M. Reed 1922-4-16 4692 Riverside Riverside, buckeye grove, Chicago Ave. 274 Comment
  UCR233067  Bromus rubens Edith B. Allen 2012-1-21 112- 03 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  POM363959  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado desert 400 Comment
  RSA614132  Bromus rubens D. L. Banks 1997-2-23 1299 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
  RSA757626  Bromus tectorum LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4332 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  JOTR30670  Bromus trinii Andre, Jim, Tasha La Doux 2008-3-21 8832 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  SBBG133350  Caesalpinia gilliesii S. D. White, A. Carey 2004-7-2 10577 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  RSA161350  Caesalpinia virgata Percy C. Everett, Nick Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., LaQuinta western edge of Colorado Desert. 91 Comment
  POM8687  Calandrinia ciliata P. A. Munz, R. D. Harwood 1920-2-28 3268 Riverside 2 mi. southwest of Corona. 305 Comment
  UCR171725  Calandrinia ciliata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR224390  Calandrinia ciliata Justin M. Wood 2010-3-19 1431 Riverside San Gorgonio Pass, Beaumont, near Smith Creek, east of Sun Lake off South Highland Home Road 753 Comment
  SBBG89258  Calandrinia menziesii J. Adams 1966-3-12 437 Riverside Hwy 74, 5 mi E of Elsinore, toward Perris 304 Comment
  RSA167551  Calliandra eriophylla R. F. Thorne, Robert L. Rutherford 1964-4-12 33666 Riverside Along Hwy 60, south of Ford Dry Lake, west of Blythe. Comment
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Feb 22 2014
  RSA198958  Callitriche marginata R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37562 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  POM11515  Calocedrus decurrens Philip A. Munz 1922-6-28 5885 Riverside Santa Rosa Mtns. Canyon above Santa Rosa. 1981 Comment
  UC1200604  Calocedrus decurrens Peter Kamb 1945-2-18 23 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA377345  Calochortus concolor Robert L. Rutherford 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  RSA0066239  Calochortus invenustus Anstruther Davidson 1876-07 s.n. Riverside Strawberry Valley. 1219 Comment
  CLARK-A1528-20  Calochortus splendens C. M. Flanagan 1973-5-31 OO 613 Riverside Morongo Indian Reservation Comment
  CSUSB400  Calochortus splendens Bruce Freeman 1968-5-11 680511 5 Riverside Santa Ana Mountains Santa Ana Mountains. 7.7 miles from Washington Ave., in Murrieta, on road from Murrieta to De Luz. 182 Comment
  UCR6160  Calochortus splendens C. M. Bringle, H. Johnston 1967-4-22 B670422- 2 Riverside Peninsular Range, edge of Santa Ana Mtns., Temescal Canyon Road 3.6 mi north of Glen Ivy Hot Springs, 0.3 mi south of conveyor belt crossing road on W side of road 457 Comment
  CAS-BOT-BC483504  Calochortus splendens Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR62662  Calochortus weedii var. intermedius Gary Bell 1990-6-27 s.n. Riverside hills c. 0.75 mi west of Crown Valley, NW of Rawson Canyon 762 Comment
  UCR63511  Calochortus weedii var. weedii Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  JEPS29288  Calycoseris parryi Rimo Bacigalupi, L. Heckard, and P. Hutchinson 1962-3-23 8360 Riverside 1.9 mi sw of San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  RSA80994  Calycoseris parryi G. R. Campbell 1952-4-5 18380 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UC63097  Calycoseris parryi H. M. Hall 1901-5-1 1857 Riverside e base, along the borders of the Colorado Desert San Jacinto Mountains Comment
  JOTR33983  Calyptridium monandrum La Doux, Tasha, M. Harding 2010-4-7 2871 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  CLARK-A1528-7874  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  SDSU12872  Calystegia macrostegia subsp. intermedia J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 26 Riverside At switchback in road from Santa Margarita (SDSU) Field Station trailer leading down into Santa Margarita River Gorge, north of river. 256 Comment
  UCR101785  Calystegia macrostegia subsp. intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1327 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  CAS-BOT-BC199279  Calystegia sepium subsp. limnophila S. B. Parish 1900-9-20 4612 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  CAS-BOT-BC199281  Calystegia sepium subsp. limnophila S. B. Parish 1903-10-15 5334 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA594771  Camissonia bistorta D. L. Banks, Dylan Hannon 1996-5-3 992 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground. Along a sandy wash approx. 300m E of the Dripping Springs Guard Station 488 Comment
  SEINET4680874  Camissonia bistorta R. L. Piemeisel 1913-4-16 3434 Riverside Bottom of Rubidoux Mt.; 0 305 Comment
  UCR173399  Camissonia bistorta Abby Sirulnik 2000-4-13 06 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  RSA90987  Camissonia bistorta E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  RSA766633  Camissonia boothii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 165 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  UCR50654  Camissonia brevipes subsp. brevipes B. A. Prigge 1988-2-21 7837 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  POM7035  Camissonia californica P. A. Munz 1919-3-25 2317 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA343096  Camissonia californica Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60619 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  UCR121083  Camissonia californica A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24969 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR214325  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 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
  UCR98343  Camissonia californica A. C. Sanders, G. Helmkamp 1997-3-15 19919 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  RSA454736  Camissonia cardiophylla Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SEINET10870497  Camissonia cardiophylla David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3699 Riverside Pushawalla; growing in the wash. Indio hills, colorado desert. Comment
  CLARK-A1528-3323  Camissonia chamaenerioides John C. Roos 1966-3-26 Riverside Chuckwalla Mountains Comment
  HSC78592  Camissonia claviformis J. C. Roos 1966-5-20 Riverside 2 mi. SE of Desert Center Comment
  UCR148049  Camissonia claviformis Steve Boyd, Et al. 2004-5-14 11286 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
  RSA101675  Camissonia claviformis subsp. aurantiaca T. C. Porter 1888-2-28 s.n. Riverside California--Colorado Desert on Salt Creek, on the South Pacific Railroad -69 Comment
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Feb 3 2011
  RSA448932  Camissonia claviformis subsp. aurantiaca G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert. Comment
  RSA680559  Camissonia pallida Scott D. White, Michael Honer 2003-4-30 9143 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  POM46831  Camissonia pallida subsp. pallida Mary F. Spencer 1920-3-20 1485 Riverside In desert sand. Palm Springs. Colorado Desert. California Comment
  RSA33569  Camissonia pallida subsp. pallida N. C. Cooper 1944-3-25 1023 Riverside Cabazon. 457 Comment
  SEINET3093216 Image available Camissonia refracta P. Leary 1975-3-13 992 Riverside Pinto Mountains, Joshua Tree National Monument. Comment
  UCR102948  Camissonia refracta George K. Helmkamp 1998-4-4 3168 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
  POM157904  Camissonia strigulosa P. A. Munz 1927-5-20 10817 Riverside 10 miles south of Hemet. Comment
  POM184788  Camissonia strigulosa Carl V. Meyer 1927-06 159 Riverside Saunder's Meadow, San Jacinto Mts. 1677 Comment
  POM48923  Camissonia strigulosa P. A. Munz 1924-5-18 8146 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  RSA485410  Camissonia strigulosa Steve Boyd 1987-4-5 1967 Riverside Gavilan Hills - Harford Spring County Park in sandy valley at N end of park. 610 Comment
  SD39522  Camissoniopsis confusa Edith A. Purer 1935-4-21 6449 Riverside Pine Valley; Pines to Palms Highway. Comment
  RSA465933  Camissoniopsis pallida subsp. pallida Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  RSA500189  Carex alma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3556 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR215797  Carex densa Anuja Parikh 1990-5-15 172 Riverside Peninsular Range, Santa Rosa Plateau Ecological Reserve, betwen Mesa de Colorado and Mesa de Burro, 0.6 km southeast of the intersection of Tenaja Road and Rancho California Road 572 Comment
  RSA5222  Carex multicostata Carl B. Wolf 1932-8-5 3947 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2622 Comment
  RSA364666  Carex nebrascensis M. B. Dunkle 1933-7-22 3743 Riverside Tahquitz Valley. 2317 Comment
  UC830192  Carex nebrascensis P. A. Munz 1922-9-6 6397 Riverside Round Valley 2743 Comment
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Nov 9 2009
  UCR29124  Carex praegracilis A. C. Sanders, S. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  CAS-BOT-BC94055  Carex sartwelliana Peter F. Zika; Nick Otting; Kate Kramer 2010-8-6 25301 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains (SnJt) 1785 Comment
  RSA192147  Carex schottii H. A. Zuill 1966-4-1 111 Riverside About 10 miles WSW of Murrieta, Tenaja Canyon,. Comment
  RSA614633  Carex triquetra Darin L. Banks 1997-3-29 1563 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
  SD178220  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley: Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development. 334 Comment
  RSA0011148  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St at Flrida Ave. (Hwy 74). 591 Comment
  SEINET5766016 Image available Cassia armata John F. Emmel 1995-4-21 1365 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479 on 1952 USGS Midland 15' topographic quadrangle. Comment
  RSA422123  Castela emoryi Anstruther Davidson s.n. Riverside Between Shaver's Well and Desert Center. Comment
  UCR172254  Castilleja affinis 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
  POM9603  Castilleja affinis I. M. Johnston 1920-5-8 s.n. Riverside Jurupa mts., extreme west end. Comment
  UC64216  Castilleja affinis subsp. affinis H. M. Hall 1897-4-3 422 Riverside vicinity Winchester Comment
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Mar 20 2011
  RSA679168  Castilleja applegatei subsp. martinii Fred M. Roberts 2003-6-25 5933 Riverside Indian Truck Trail, 8.7 km by road W La Palma Rd., 2.5 km ENE Trabuco Peak 937 Comment
  RSA730596  Castilleja densiflora Robert F. Thorne, Walter Wisura 1978-5-21 51975 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR50580  Castilleja densiflora B. G. Pitzer 1988-2-28 622 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA775231  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  SBBG120069  Castilleja exserta A. C. Sanders with K. Volansky 2005-3-17 29212 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  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
  RSA262097  Castilleja foliolosa E. W. Lathrop 1971-3-24 7466 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UC26457  Castilleja miniata H. M. Hall 1901-7-29 2547 Riverside along West Fork Snow Creek West Fork Snow Creek (North Side); San Jacinto Mountains 1524 Comment
  UCR62325  Caulanthus hallii Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  RSA717615  Caulanthus heterophyllus Scott D. White 2006-4-27 11304 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
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Feb 5 2020
  UC1608300  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6700 Riverside San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon; Santa Ana Mountains, San Mateo Cyn Wilderness Area 304 Comment
  UCR97481  Caulanthus heterophyllus John Wear, N. Moorhatch 1997-3-13 s.n. Riverside San Jacinto Mtns. / Coachella Valley, Chino (Tramway) Canyon, along both sides of road. 500 Comment
  SD128305  Ceanothus cordulatus R. Mitchel Beauchamp 1971-5-15 2412 Riverside On slopes, Black Mt. campground, San Jacinto Mountains. 2207 Comment
  RSA570227  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7896 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA606762  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27427 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  RSA606765  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27362 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  CDA35557  Ceanothus cuneatus Mike Lahti 2008-5-27 PDR# 1473200 Riverside Hemet, 37166 Sage Rd., X East Benton Rd. 0 Comment
  RSA0019577  Ceanothus cuneatus var. cuneatus Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  RSA399315  Ceanothus leucodermis N. C. Cooper 1949-6-29 4342 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  UC1070866  Ceanothus leucodermis R. St. John 1929-5-8 25 Riverside Fuller Mill Creek Canyon San Jacinto quad., San Jacinto Mts. 1676 Comment
  UC1930018  Ceanothus leucodermis Scott D. White, Justin Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UC729964  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside 1 mi above Fish Hatchery (Snow Creek Canyon.); North base of San Jaconto Mts. 792 Comment
  RSA0028795  Ceanothus leucodermis N. Cooper 1944-6-17 1444 Riverside San Jacinto Mts. Pine Cove. 1524 Comment
  RSA462403  Ceanothus leucodermis Albert J. Perkins 1920-5-30 s.n. Riverside Cobby Trails Comment
  RSA0019575  Ceanothus megacarpus var. megacarpus Orlando Mistretta 1992-6-10 517 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA708423  Ceanothus oliganthus Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10783 Riverside Santa Ana Mountains: Santa Rosa Plateau area, northwest of Squaw Mtn. Terminus of Via Ranchero at San Diego County line. 823 Comment
  UC1070901  Ceanothus oliganthus var. oliganthus A. Lewis May 1934 412 Riverside Trabuco Canyon Elsinore quad., Cleveland Nat. For. 1371 Comment
  CAS-BOT-BC51648  Ceanothus ophiochilus Steve Boyd; Tim Ross; Laurel Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi W of lake 700 Comment
  CAS-BOT-BC51930  Ceanothus perplexans Dr. A. Davidson 1892-5-1 s.n. Riverside Banning Comment
  GMDRC6545  Ceanothus perplexans J. M. Andre 2012-6-15 30497 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  SBBG28549  Ceanothus perplexans D. Myrick 1964-4-30 Riverside Palms to Pines (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  SDSU12875  Ceanothus thyrsiflorus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 31 Riverside Next to Santa Margarita (SDSU) Field Station trailer due north of Gorge, above Santa Margarita River. 354 Comment
  POM11972  Celtis reticulata Bonnie C. Templeton 1920-04 11972 Riverside Gilmans Water Canon, Banning. 915 Comment
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Mar 13 2011
  RSA91826  Cenchrus echinatus F. W. Peirson 1937-11-27 12246 Riverside La Quinta, Coachella Valley. 0 Comment
  RSA763063  Centaurea melitensis E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest. 1220 Comment
  CLARK-A1528-180  Centaurea solstitialis John C. Roos 1951-9-25 5253 Riverside Riverside Comment
  RSA625694  Centaurea solstitialis J. A. Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley, near hwy 215 Comment
  SEINET10910151  Centaurium J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12851 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR120410  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR143363  Centaurium venustum N. C. Cooper 1944-6-4 1357 Riverside Peninsular Ranges; Santa Ana Mountains, San Juan Canyon, Upper San Juan Campground el. '2500 ft. 534 Comment
  UCR177831  Cerastium glomeratum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  RSA171391  Cercocarpus betuloides J. D. Olmsted 1962-3-5 3490 Riverside Ravine at edge of Thomas. Mt. fire road south of Hemet Lake, NE flank of Thomas Mt.. 1418 Comment
  RSA597527  Cercocarpus betuloides Louis C. Wheeler 1960-5-9 7690 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  UCR240650  Cercocarpus betuloides Tracy Tennant, Mitch Provance 1998-6-16 MOR- 424 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA0087538  Chaenactis Hutchinson 1927-05 s.n. Riverside Colorado Desert. Comment
  RSA561098  Chaenactis artemisiifolia Steve Boyd 1993-5-12 7335 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR258749  Chaenactis artemisiifolia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7902 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  JEPS8661  Chaenactis carphoclinia var. carphoclinia W. L. Jepson 1927-4-27 11664 Riverside near Mecca; Mecca Hills, Painted Canyon 76 Comment
  RSA703411  Chaenactis carphoclinia var. carphoclinia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1463 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  HSC80313  Chaenactis fremontii R. F. Thorne, W. Wisura, A. Shmida, Robert Whittaker 1978-4-23 52039 Riverside Palm Desert Area; just E of Palm Desert Comment
  UCR277637  Chaenactis fremontii A. C. Sanders, Jim Malusa 2017-1-14 42662 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR89562  Chaenactis fremontii George K. Helmkamp 1994-3-10 42- 13 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UCR44229  Chaenactis glabriuscula A. C. Sanders 1986-6-1 6556 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR59522  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-6-4 3608 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  POM158451  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1927-5-21 10877 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  POM351765  Chaenactis glabriuscula var. glabriuscula Ora M. Clark 1929-3-2 1598 Riverside Near Alberhill Comment
  RSA395354  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA772854  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4828 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
  UCD130378  Chaenactis glabriuscula var. glabriuscula Geoffrey Levin 1975-4-26 476 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  UCR34890  Chaenactis parishii L. B. Ziegler 1967-7-5 173 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  RSA777813  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 852 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  JOTR34147  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  RSA593379  Chamaesyce albomarginata Scott D. White 1996-7-23 4358 -B Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  RSA613273  Chamaesyce micromera L. C. Wheeler 1976-3-30 s.n. Riverside Morongo Wash, 5 miles northwest of Desert Hot Springs. 518 Comment
Read comments
Dec 17 2016
  UC536795  Chamaesyce micromera Louis C. Wheeler 1931-11-26 369 Riverside Colorado Desert, Salton Bench Mark -15 Comment
  RSA552714  Chamaesyce polycarpa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6683 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
  SEINET5742575 Image available Chamaesyce polycarpa W. Steinmann 1999-1 1416 Riverside Foothills of the Chuckwalla Moutains, open desert ca. 2 km S of Desert Center.; Desert Center 325 Comment
  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
  RSA576460  Chamaesyce polycarpa var. hirtella L. C. Wheeler 1933-12-2 2309 Riverside Mouth Tahquitz Canyon near Palm Springs. 144 Comment
  RSA433509A  Chamaesyce polycarpa var. polycarpa L. H. Jones 1910-3-17 s.n. Riverside In Sand, Riverside Mountain, Colorado river. Comment
  RSA627499  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1965-6-27 8693 Riverside Tin Mine Canyon. Comment
  RSA638208  Chamaesyce serpillifolia L. C. Wheeler 1965-6-27 8690 Riverside Corona: Overboltzer's Grove. Comment
  UC42410  Cheilanthes clevelandii Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  RSA85537  Cheilanthes covillei F. W. Peirson 1922-4-10 s.n. Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCR96421  Cheilanthes covillei Scott D. White 1996-8-15 4460 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  POM18178  Cheilanthes newberryi Philip A. Munz 1923-3-10 6585 Riverside San Jacinto River, 3 miles from Elsinore Comment
  RSA388058  Cheilanthes newberryi Steve Boyd 1985-12-25 1198 Riverside Gavilan Hills; granitic ridge on W side of Steele Valley in SCE Transmission Line Corridor. Comment
  UCD137390  Cheilanthes parryi Geoffrey Levin 1976-3-27 682 Riverside Chino Canyon. West of Palm Springs. San Jacinto Mts. 396 Comment
  UCR189546  Chenopodium ambrosioides Fred M. Roberts, S. Leatherman 2007-9-19 6583 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR115131  Chenopodium berlandieri var. zschackei Mitch Provance 2000-10-28 2276 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  SBBG119114  Chenopodium glaucum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley, development called "Trilogy at Glen Ivy", confluence of Bixby and Anderson Cyns, basin W18 N of Trilogy Parkway 366 Comment
  CDA3103  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns.; Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. Comment
  UCR113609  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23719 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  CAS-BOT-BC231771  Chilopsis linearis Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio wash at S. P. RR, San Gorgonio Pass 640 Comment
  CSUSB730  Chilopsis linearis Vicki Barnum 1968-5-17 S. N. Riverside Palm Springs. Side of mountain, San Jacinto, 1/4 mile from Tram Way parking lot on side of road. 701 Comment
  UCR16157  Chilopsis linearis J. N. Bullock 1970-5-8 P 17 Riverside Western Colorado Desert, 100 meters SE of Calif. State Hwy 195, 8.9 m. E. of the ['All American'] Coachella Canal 293 Comment
  UCR64098  Chilopsis linearis Karen Bellinfante 1989-6-1 01 Riverside San Jacinto, Soboba Rd 0.5 mi east of intersection with Sanderson (Hwy 79) 549 Comment
  UCSB47186  Chilopsis linearis Hornemann, D. 1977-2-27 Riverside Box Canyon Wash 60 Comment
  CAS-BOT-BC231789  Chilopsis linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 275 Riverside In dry stream bed of North Canyon just above juncture with Andreas Canyon; east slope San Jacinto Mountains 350 Comment
  UC64371  Chilopsis linearis subsp. arcuata H. M. Hall 1896-7-7 281 Riverside Eden Comment
  POM11892  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-7-7 6055 Riverside No fork of Tahquitz Creek. 2134 Comment
  UCR211698  Chloris truncata Fred M. Roberts, Michelle Balk 2006-8-24 6407 Riverside Perris Basin, Old Salt Creek drainage, Hemet at northwest corner of California Ave. and Marvin Hull Road 452 Comment
  RSA725734  Chlorogalum parviflorum T. B. Salvato, Gregg Miller 2005-6-3 1376 Riverside ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road 436 Comment
  CAS-BOT-BC191706  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert. 5 mi E of Mecca, on Blythe Road 30 Comment
  JOTR16806  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA392605  Chorizanthe brevicornu var. brevicornu F. R. Fosberg 1932-3-13 8066 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA721888  Chorizanthe brevicornu var. brevicornu J. Mark Porter, Orlando Mistretta 2003-6-5 13617 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  UC849122  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring Comment
  UCR97471  Chorizanthe coriacea B. G. Pitzer 1997-3-23 2979 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA518037  Chorizanthe corrugata Steve Boyd, Orlando Mistretta 1986-3-13 1423 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  SBBG27953  Chorizanthe corrugata F. W. Peirson 1927-4-12 7175 Riverside near fork of Painted Cyn near Mecca Comment
  RSA487198  Chorizanthe leptotheca James L. Reveal 1988-5-23 6864 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UCR205447  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts, Alvin Meadows 1467 Comment
  RSA666893  Chorizanthe parryi var. parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24183 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UC1543906  Chorizanthe polygonoides var. longispina Barbara Ertter and Jeffrey Strachan 1980-5-22 3490 Riverside Dripping Springs Campground Cleveland National Forest (hills on e side, near Hwy 79 between Aguanga and Temecula, n of Wild Horse Peak) 609 Comment
  UCR260519  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7991 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  CLARK-A1528-729  Chorizanthe rigida Charlotte Stocks 1966-4-10 Riverside Mecca Comment
  UCR74364  Chorizanthe rigida Theo Glenn 1991-4-30 91- 66 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  SD241105  Chylismia brevipes subsp. brevipes Dave Silverman, Mark Bibbo 2010-3-31 7893 Riverside Southern McCoy Mountains, east bajada flank, 1.6 km W of Black Creek Road, 7.0 km NE of McCoy Peak and 6.8 km north of I-10. 178 Comment
  UC1184320  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11751 Riverside along US Hwy 95 35.8 mi n Blythe (near Colorado River) Comment
  JOTR36456  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3426 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  UC306275  Chylismia cardiophylla subsp. cardiophylla Ivan Johnston 1917-4-4 1083 Riverside Palm Canyon Colorado Desert 304 Comment
  SBBG6278  Chylismia claviformis T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  SD122414  Chylismia claviformis subsp. aurantiaca Duffie Clemons, Erik Jonsson 1988-2-13 1937 Riverside Ca. 3.0 miles north of I-10 along Washington St. southwest of Indio Hills, Coachella Valley. Comment
  SD215581  Chylismia claviformis subsp. aurantiaca W. Wisura, J. Dolan and M. Wall 1992-3-24 4618 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  UCR251906  Chylismia claviformis subsp. aurantiaca Jim Andre 2013-3-27 24830 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA770684  Cirsium californicum var. californicum Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4787 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC289649  Cirsium occidentale var. californicum R. M. Howie 1952-9-22 s.n. Riverside San Timoteo Canyon, west of Beaumont Comment
  UCR109601  Cirsium occidentale var. californicum R. D. Goeden, Don W. Ricker 1979-5-8 s.n. Riverside San Jacinto Mtns., Bautista Creek Canyon, Bautista Rd. at Horse Creek crossing 854 Comment
  UC63255  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside vicinity of Riverside; Santa Ana River, Riverside 213 Comment
  UC1543178  Cirsium scariosum Donald G. Nelson 1936-5-24 418 Riverside just n Hurkey Creek Camp (near earthen ditch carrying water to the dude ranch across the stream, on Pines to Palms Highway, San Jacinto Mts. e slope, just <?> of Lake Hemet. . .); San Jacinto Mts. Comment
  CAS-BOT-BC438852  Cistanthe monandra Street; Durant 1918-5-12 s.n. Riverside San Jacinto Comment
  RSA33775  Cistanthe monandra N. C. Cooper 1944-5-21 1284 Riverside San Jacinto Mountains, West side 915 Comment
  RSA653427  Cistanthe monandra Scott D. White 1999-5-24 7394 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
  POM15054  Clarkia dudleyana Mary F. Spencer 1922-6-30 1704 Riverside Brook Camp, San Jacinto Mountains. Comment
  CAS-BOT-BC171994  Clarkia epilobioides John Thomas Howell 1931-5-30 6591 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UCR57208  Clarkia epilobioides Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  SD185274  Clarkia purpurea subsp. quadrivulnera T. B. Salvato, Kent Beaman 2005-5-16 765 Riverside San Jacinto Mountain Foothills: San Jacinto River East of Valle Vista, just downstream from the Forest Service boundary and North of CA Highway 74. (Blackburn Canyon 7.5' Q.) Old Clearing. in the wash woodland; a single dense colony. 548 Comment
  UCR182534  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2003-4-17 4631 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  RSA710929  Clarkia unguiculata A. C. Sanders, Seung-Chul Kim 2005-5-7 30050 Riverside 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 457 Comment
  VVC335  Clarkia unguiculata Markell Kohn 1959-4-26 s.n. Riverside Santa Ana River Valley., UCR campus; behind greenhouse 16 next to Eucalyptus. 340 Comment
  UCR162841  Claytonia parviflora S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA522742  Claytonia parviflora subsp. parviflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3849 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
  RSA525403  Claytonia perfoliata Steve Boyd, David E. Bramlet 1990-4-29 4504 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA25841  Clematis lasiantha Carl B. Wolf 1941-8-15 11156 Riverside Santa Ana Mountains E slope along Main Divide Motorway between Indian Canyon summit and Trabuco Pk. Alt. 4500 ft. 1372 Comment
  CHSC35508  Clematis pauciflora Jeanne Muro 1972-4-29 39 Riverside 3 mi. SW of Murrieta on Tenaja Rd. 548 Comment
  POM500A  Cleome isomeris I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  UC1595647  Collinsia concolor Steve Boyd, Orlando Mistretta 1991-5-22 6299 Riverside e Dorland Mtn (base of Agua Tibia Mtn, w of Kolb Crk); Vail Lake area, Agua Tibia Mtn 548 Comment
  RSA0117400  Collinsia concolor N. C. Cooper 1945-5-24 1642 Riverside Big Oaks Canyon, Banning. 1220 Comment
  CLARK-A1528-850  Collinsia heterophylla Ted R. Turk 1971-5-16 Riverside Murrieta Comment
  SBBG104074  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside within 0.5 mi of McCoy Spring, to the S above the spring and above for, ca. 200 m 243 Comment
  UCR75070  Colubrina californica A. C. Sanders, E. J. Lawlor 1992-4-4 12112 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  OBI38803  Condalia globosa var. pubescens A. C. Sanders, et al 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mts, 9 mi S of hwy I-10 on the gasline road, 2 mi airline S of the Model Mine 579 Comment
  UC2030037  Condaliopsis parryi James Henrickson 1979-4-7 17817 Riverside ca. 18 miles NW of Borrego Springs, SE of Terwilliger, in upper Coyote Canyon, north of Fig Tree Canyon. Comment
Read comments
Apr 13 2017
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA794038  Convolvulus aridus Dorothy Cowper 1972-4-15 1851 Riverside Near spring above SBCM dig by Pulgas Creek Road, Rancho 915 Comment
  RSA653656  Conyza coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  RSA741598  Conyza floribunda Justin M. Wood 2008-9-22 161 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR29813  Coreopsis californica M. G. McLeod, D. J. Keil 1977-3-26 12010 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  LA99062  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  POM49087  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-26 8713 Riverside South of Banning. 976 Comment
  RSA699809  Corethrogyne filaginifolia Scott D. White, Michael Honer 2003-4-4 8937 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SEINET2050217 Image available Corethrogyne filaginifolia Penny Stead 1970-4-15 Riverside Found in the hills above Fawcett Lab, U.C.R. 274 Comment
  RSA613463  Crassula connata D. L. Banks, Victor Steinmann 1997-3-13 1429 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA575913  Cressa truxillensis Steve Boyd, Darin L. Banks, Bob Boyd 1994-9-29 8373 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  SEINET238506  Cressa truxillensis A. C. Sanders, Mihai Costea; D Bramlet T Salvato 1999-10-15 23182 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1 mile W of Jackrabbit Trail on Gilman Spg Rd. 0.4 mi. W of Quail Lake G 436 Comment
  SD137802  Crocanthemum aldersonii Darin L. Banks, Steve Boyd 1995-6-2 572 Riverside Northwest Palomar Mountains; Cleveland National Forest, Agua Tiobia Wilderness Area; north face of north peak of Agua Tibia Mountain. 890 Comment
  HSC27844  Croton californicus R. W. Spjut 1973-4-13 3298 Riverside Colorado Desert, within the city limits of Palm Springs just N of the metropolitan area on Palm Canyon Drive, Hwy. 111 122 Comment
  OBI26132  Croton californicus David J. Keil 1976-12-12 11911 Riverside 5 mi E of Indio along I-10 Comment
  PASA1841  Croton californicus R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA775267  Croton californicus Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2204 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCR174941  Croton californicus Jennifer H. Jones, Toby Bartels 2006-4-23 283 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  POM14053  Croton californicus var. mohavensis P. A. Munz, D. D. Keck 1922-4-14 5010 Riverside East of Whitewater Ranch 244 Comment
  RSA575953  Crypsis schoenoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  CAS-BOT-BC190129  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside San Jacinto river bottomland 1.5 mile southeast of Perris. 426 Comment
  OBI23286  Cryptantha Robert F. Hoover 1969-4-14 11234 Riverside Palm Springs, just S of city limit Comment
  UCR258015  Cryptantha Mitch Provance, Seychelle Provance, Adey Tadesse 2003-5-24 503- 02 Riverside NW edge of Riverside, Santa Ana River bottom, just east of the 60 Freeway bridge 246 Comment
  UCR260559  Cryptantha T. B. Salvato 2015-4-2 8103 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  POM13681  Cryptantha angustifolia E. C. Jaeger 1922-3-18 1029 Riverside Painted Canyon, Riverside County Comment
  POM368204  Cryptantha angustifolia Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7811 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA676098  Cryptantha angustifolia Scott D. White 2001-4-3 8272 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA795934  Cryptantha angustifolia Duncan S. Bell 2009-4-19 262 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UC1595758  Cryptantha angustifolia W. Wisura, J. Dolan, and M. Wall 1992-3-24 4614 Riverside 4.7 mi ne Mecca (on Box Canyon Rd) Comment
  JEPS20702  Cryptantha barbigera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13245 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  JEPS22517  Cryptantha barbigera Rimo Bacigalupi with Paul Hutchison 1958-2-19 6193 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  UCR36110  Cryptantha barbigera R. F. Thorne, Et al. 1983-4-23 55418 Riverside San Bernardino Mtns, Mouth of Whitewater Canyon, east of Whitewater Post Office at S end of ridge, in sandy wash east of bridge, and on base of W-facing slope of ridge 412 Comment
  UCSB38658  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy. 74 from jct. with Hwy. 111 at Indian Wells 950 Comment
  UCSB52571  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside Above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 570 Comment
  UCR260836  Cryptantha barbigera var. fergusoniae A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41517 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  CAS-BOT-BC227861  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  SBBG87958  Cryptantha cycloptera A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6144 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  RSA0078964  Cryptantha cycloptera Theo Glenn 1992-3-31 92 -8 Riverside Colorado Desert. North side Of Eagle Mountains, Storm Jade Mine. Comment
  SEINET3828404  Cryptantha inaequata Dave Silverman 2010-1 7825 Riverside South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10. Comment
  CLARK-A1528-2216  Cryptantha intermedia John C. Roos 1950-4-22 4746 Riverside Pigeon Pass 457 Comment
  JEPS67667  Cryptantha intermedia W. L. Jepson 1901-5-30 1554 Riverside between Aguanga and Temecula; Temecula River Comment
  RSA495466  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2997 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA527836  Cryptantha intermedia Scott D. White 1991-5-10 91 -122 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA792745  Cryptantha intermedia R. F. Thorne 1995-3-29 63031 Riverside White Water Canyon 600 Comment
  SD4196  Cryptantha intermedia Fidella G. Woodcock 1928-4-27 Riverside Hemet, San Jacinto Comment
  SDSU12254  Cryptantha intermedia Jeremy Mass, Ryan Jacobson 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve (SDSU). 177 Comment
  UCR162270  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR42808  Cryptantha intermedia A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6455 Riverside Mockingbird Canyon, south of Riverside, 0.7 mi. below (NW of) Harley John Road. 396 Comment
  UCR165813  Cryptantha maritima John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  POM46810  Cryptantha maritima Mary F. Spencer 1920-4-7 1528 Riverside Palm Canyon, Colorado Desert 213 Comment
  SDSU18693  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 56 Riverside Joshua Tree National Park. 0.80 miles along trail to Mastodon Peak, from Cottonwood Springs Campground when approachind Mastodon Peak from the North portion of the trail. 948 Comment
  RSA0026119  Cryptantha micrantha J. Andre, G. Clifton, Ron Kelley 2013-3-21 24387 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UCR153385  Cryptantha micrantha var. micrantha Scott D. White 1999-5-24 7379 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR107819  Cryptantha micromeres D. L. Banks 1997-5-5 2012 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA543954  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-9 6185 b Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  SD167191  Cryptantha microstachys A. C. Sanders 1994-5-30 14596 Riverside San Bernardino Mountains; northnortheast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St. 950 Comment
  UCR157463  Cryptantha microstachys A. C. Sanders 1994-5-30 14596 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR220123  Cryptantha microstachys D. E. Bramlet 1991-5-1 2106 Riverside Peninsular Range, tributary of Rawson Canyon, 5500 ft. south of Crown Valley & 2600 ft. east of Rawson Canyon 642 Comment
  UC1095301  Cryptantha muricata Peter H. Raven with R. Snow 1957-7-26 11093 Riverside 0.9 mi n Vista Grande Ranger Station (Banning to Idyllwild road); San Jacinto Mountains Comment
  GMDRC9804  Cryptantha nevadensis J. M. Andre 2017-3-1 38020 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  RSA0124031  Cryptantha nevadensis var. nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8876 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  SEINET3084245 Image available Cryptantha pterocarya A. C. Sanders, K. Rose & D. Woodard 1995-3-15 16134 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 370 Comment
  UCR279491  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-25 43002 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
  HSC25820  Cryptantha racemosa Richard Spjut 1972-3-20 2289 Riverside Colorado Desert; N base of the Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  RSA99143  Cryptantha racemosa Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  JOTR34074  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2970 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
  RSA339324  Cryptantha utahensis R. F. Thorne, C. W. Tilforth 1980-5-28 54206 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR21519  Cucurbita foetidissima Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR215592  Cucurbita palmata Jim Andre, T. La Doux 2008-9-16 10705 Riverside Mojave Desert, Joshua Tree National Park, on the northeast end of Splitock Picnic Area 1327 Comment
  RSA263654  Cupressus forbesii E. W. Lathrop 1977-4-20 7607 Riverside Beford Truck Trail of the Cleveland Nat'l. Forest, Trabuco District. 3.8 miles below the Main Divide Truck Trail and the North side of the Bedford Truck Trail. 914 Comment
  UCR193908  Cuscuta californica A. C. Sanders, Mitch Provance 2008-7-11 35774 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  SD87554  Cuscuta campestris Frank W. Peirson 1932-11-26 9659 Riverside Just south of Palm Grove, 1000 Palms. 120 Comment
  UCR111754  Cycloloma atriplicifolium 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
  UCR101885  Cyclospermum leptophyllum A. C. Sanders 1997-3-17 20005 Riverside Riverside, UCR campus, edge of lawn at NE corner of Batchelor Hall 348 Comment
  SEINET9037744 Image available Cylindropuntia bigelovii M. A. Baker 2015-1 18303 Riverside 1.7km NE of White Water Hill, just west of Hwy 62, 2km north of its junction with Interstate 10, 13km NW of central Palm Springs, gentle east-facing slope of granitic sand, silt, and grus 353 Comment
  CAS-BOT-BC56160  Cylindropuntia echinocarpa L. R. Abrams 1926-3-26 11211 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR214861  Cynanchum utahense A. C. Sanders 2010-3-23 37553 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SEINET3926489  Cynodon dactylon Faulkner 1978-3-21 348 Riverside 9 miles N of Blythe, Hwy 95, Saline flats.; 0 152 Comment
  UCR110370  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23123 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC114798  Cyperus involucratus A. C. Sanders; G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn, in vicinity of the debris basin, 182 Comment
  UCR115347  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino Valley/ upper Santa Ana River region, Riverside; Box Springs Mtns. foothills, Box Springs Canyon above Sheriff's Academy, north of Central Ave. 396 Comment
  UCR234765  Cyperus involucratus A. C. Sanders, John F. Green 2012-6-25 40305 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  RSA502511  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3566 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
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Dec 17 2014
  JEPS64081  Cyperus laevigatus W. L. Jepson 1914-5-22 6012 Riverside nw of Indio (Thousand Palms Canyon); Thousand Palms Canyon Comment
  UCR109738  Cyperus odoratus T. W. Fisher 1963-9-20 s.n. Riverside Riverside, Santa Ana River 213 Comment
  SEINET3228136  Cyperus parishii G. Rink, K. Routson 2012-9-3 11659 Riverside Agricultural fields about 10 miles southwest of Blythe 70 Comment
  CAS-BOT-BC280861  Dactyloctenium aegyptium Brad Ballen 1984-11-22 s.n. Riverside North side of Avenue 48, 300 meters west of Hjorth Avenue, southwest of Indio Comment
  CSUSB1203  Dalea californica Margaret-Lee Dean 1965-4-15 Riverside 1 mile west of Indian Ave. on highway 60, north of Palm Springs. 213 Comment
  RSA48422  Dalea mollis E. K. Balls 1949-4-12 12907 Riverside Near Durmid on Hwy 111 by Salton Sea. -67 Comment
  RSA708494  Dalea mollis Scott D. White, Jennifer H. Jones 2005-4-12 10865 Riverside Coachella Valley: Indio area, vacant land northeast of the I-10 Freeway interchange at Jefferson. 12 Comment
  POM306695  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1687 Riverside Near Desert Center-Indio. Comment
  UCD65755  Dasyochloa pulchella A. A. Beetle 1942-4-22 3180 Riverside 8 miles east of Indio. Comment
  OBI45072  Datisca glomerata Robert F. Thorne, C. W. Tilforth, L. DeBuhr, and E. Lathrop 1975-8-29 47299 Riverside Cleveland Natl Forest Comment
  UCR86200  Datura discolor A. C. Sanders 1995-5-23 17120 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  SEINET3078209 Image available Datura wrightii Ed LaRue 1989-4-20 Riverside Moreno Valley, old Riverside International Raceway on Day Street, ca 1/2 mi S of Hwy 60. Comment
  SD144088  Daucus pusillus A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20684 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  UCR171908  Daucus pusillus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  CAS-BOT-BC293825  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside. Highgrove 365 Comment
  SDSU13564  Deinandra fasciculata W. Miller, C. Mosse 1972-7-12 Riverside Comment
  CAS-BOT-BC294116  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside Lower St. Johns Canyon south of Hemet Comment
  RSA736380  Deinandra paniculata Scott D. White, Justin M. Wood 2008-5-1 11921 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  SD234297  Deinandra paniculata Kent Beaman 1998-9-1 Riverside Peninsular Range; Gavilan Plateay: west of Perris off Ellis Rd., Santa Rosa Mine Rd., near Maywood 518 Comment
  LA207622  Delphinium parishii subsp. subglobosum Carl Epling; 1937-5-7 sn Riverside 2 mi. above PInon Flats, Palms to Pines Hwy Comment
  SD133019  Delphinium parryi Scott White 1991-5-13 91 95 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  SDSU10045  Delphinium parryi H. Wedberg 1962-5-23 942 Riverside 4.8 miles from hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCR125207  Delphinium parryi Mitch Provance 1998-5-24 537 Riverside Jurupa Mountains, Central 'Rattlesnake Mt.', 0.5km NE of peak 1739. 457 Comment
  UC75775  Delphinium parryi subsp. parryi Miss M. A. King 1893-1 Riverside Menifee Comment
  SD140226  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet; along south side of Devonshire ave, between Old Warren and Warren roads; southwest of Tres Cerritos and north of Florida ave (highway 74) 459 Comment
  UC1931201  Deschampsia danthonioides Scott D. White, Justin Wood 2008-6-19 12267 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA356706  Deschampsia danthonioides var. gracilis R. F. Thorne, E. W. Lathrop 1975-5-20 45505 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA0086463  Descurainia pinnata Mitch Provance 2013-4-8 413 -07 Riverside San Bernardino Vally: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  RSA776086  Descurainia pinnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 818 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UC856042  Descurainia pinnata I. W. Clokey 1935-4-17 6650 Riverside Cottonwood Springs Comment
  JOTR37758  Descurainia pinnata subsp. glabra Hodges, Stephen R. 2016-2-29 714 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  UCR262453  Dianthus armeria O. F. Clarke 2007-7-26 s.n. Riverside San Jacinto Mtns., Lake Fulmor 1628 Comment
  POM13863  Dicentra chrysantha P. A. Munz 1922-4-29 5083 Riverside West of Lake Elsinore; base of elsinore mountains. 488 Comment
  IRVC56  Dichelostemma capitatum subsp. capitatum Steve Gilbert 1965-4-24 HS 0100 Riverside Ortega Highway (74); Upper San Juan Creek Campground. Peninsular Ranges, Santa Ana Mountains Comment
  RSA562486  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross 1992-5-5 7250 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 793 Comment
  SD153003  Dichelostemma capitatum subsp. capitatum Steve Boyd, Tim Ross 1992-5-4 7183 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area, Oak Flats area east of Verdugo Potrero. Rolling terrain. Common on heavy soil, native grassland and adjacent openings in chaparral and oak woodland. 730 Comment
  SDSU12912  Dichelostemma capitatum subsp. capitatum Jutta Buschbom 1991-5-1 2 Riverside SE-Slope, N-Border of the Reserve, beyond an avocado-grove, ca. 500 m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve. Comment
  CAS-BOT-BC292203  Dicoria canescens Marcus E. Jones 1928-1-3 s.n. Riverside Indio Comment
  SBBG8047  Dicoria canescens H. and M. Dearing 1936-12-25 945 Riverside Long Cyn, near aqueduct Comment
  UC537238  Dicoria canescens M. E. Jones 1933-12-29 Riverside Cabazon Comment
  UCSB37803  Dicoria canescens Roos, John 1957-12-26 Riverside 6 miles N.W. of Thousand Palms, Coachella Valley 152 Comment
  UC1422542  Dieteria canescens var. ziegleri Jeanine Derby and Tim Krantz 1977-10-13 Riverside on 7SO2 3.6 mi se junction with highway 74 turnoff to Santa Rosa Peak; Santa Rosa Mts. 2377 Comment
  UCR113933  Digitaria ischaemum Mitch Provance, A. C. Sanders 2000-7-4 2096 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR207327  Digitaria sanguinalis O. F. Clarke 2000-1-11 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SEINET14595947  Diplacus brevipes Teresa Nieto 2005-1 03 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Puaba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  RSA0019423  Diplacus fremontii N. C. Cooper 1949-6-29 4350 Riverside San Jacinto Mt. above Banning. Comment
  UCR182520  Diplotaxis tenuifolia Mitch Provance 1996-2-27 1075 Riverside Upper Santa Ana River Valley, Riverside, Hillside area, near Dewey St. 232 Comment
  UCR103781  Distichlis spicata Scott D. White 1994-10-21 2511 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  JEPS3941  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral Reef Ranch, Coachella Valley Comment
  RSA785425  Ditaxis lanceolata Doris Bowers 1974-5-5 2278 Riverside Anza Barrego State Park, N/o Coyote Creek 335 Comment
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Sep 11 2013
  UC56528  Ditaxis lanceolata H. M. Hall May, 1901 1867 Riverside borders of Colorado Desert, e. base San Jacinto Mts. Colorado Desert, San Jacinto Mts. Comment
  UCR75052  Ditaxis lanceolata A. C. Sanders, E. J. Lawlor 1992-4-4 12108 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 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
  UCR223981  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont, San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10 701 Comment
  RSA789351  Dodecahema leptoceras Naomi Fraga, Duncan S. Bell 2009-5-6 2702 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
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Mar 30 2013
  CAS-BOT-BC136110  Dodecatheon alpinum Carl B. Wolf 1932-8-5 3962 Riverside 1st Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak - San Jacinto Mountains 2743 Comment
  UC22357  Dodecatheon alpinum H. M. Hall 1897-8-11 801 Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
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Jun 8 2012
  POM305364  Dodecatheon clevelandii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 654 Riverside Between Corona and Elsinore. Comment
  RSA192056  Dodecatheon clevelandii E. W. Lathrop 1960-3-11 4653 Riverside 5 miles west of Murrieta. Comment
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Apr 28 2011
  UCR97469  Dodecatheon clevelandii A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19762 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UCR19331  Dodecatheon clevelandii subsp. clevelandii Aleena M. Tarshis 1977-4-7 s.n. Riverside Riverside; Cajalco Rd., about 1 mile west of La Sierra Ave, Lake Mathews 457 Comment
  LA204315  Draba cuneifolia T. Craig; 1932-2-24 1795 Riverside Coachella Valley, Cathedral City, Coachella Valley Comment
  POM160111  Draba cuneifolia var. integrifolia E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 16 2017
  JEPS47211  Drymocallis glandulosa var. viscida Carl V. Meyer June 1927 189 Riverside Saunder's Meadow Comment
  UCR178349  Dryopteris arguta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1056 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR127538  Dudleya abramsii A. C. Sanders, K. Kramer 2003-6-11 26876 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  UCR26374  Dudleya abramsii subsp. abramsii A. C. Sanders 1981-7-11 2205 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  SEINET4604435 Image available Dudleya abramsii subsp. affinis Marc A. Baker, Michelle Cloud-Hughes 2011-6-11 17369 .1 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  POM17775  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Temecula Canyon. Comment
  RSA680519  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR104165  Dudleya lanceolata Scott D. White 1997-5-25 5248 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA6659  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 4536 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  POM356493  Dyssodia porophylloides Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC64466  Echinocereus engelmannii subsp. engelmannii H. M. Hall 1897-4-17 452 Riverside White-water Comment
  JOTR31007  Echinocereus triglochidiatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1292 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  SEINET251720 Image available Echinochloa crus-galli A. C. Sanders 1999-10-15 23170 Riverside San Jacinto Valley: Mystic Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  UC838787  Eleocharis acicularis P. A. Munz 1922-7-7 6067 Riverside Tahquitz Valley San Jacinto Mts. 2225 Comment
  RSA92084  Eleocharis bella F. W. Peirson 1921-5-20 3028 Riverside About 1 mile below Kenworthy, Hemet Valley 1387 Comment
  SEINET3911876  Eleocharis geniculata A. C. Sanders, P. J. MacKay; Donald L. Sanders 2003-2-9 25686 Riverside Colorado Desert: Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea.; 0 67 Comment
  RSA586308  Eleocharis montevidensis Darin L. Banks, Steve Boyd 1995-5-3 219 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
  UCR220146  Eleocharis parishii D. E. Bramlet 1989-4-10 1828 Riverside Peninsular Range; Perris-Aguanga Basin region, Tucalota Creek, 600 ft. west of Washington St. and 300 ft. south of Benton Road 416 Comment
  RSA297080  Eleocharis radicans B. A. Prigge 1980-8-5 3845 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  UCR247515  Eleusine coracana subsp. africana R. E. Riefner Jr. 2013-10-29 13- 225 Riverside La Sierra, along la Sierra Ave, at Sierra Tree Street 243 Comment
  UCR174252  Elymus condensatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32500 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
  UCR154465  Elymus elymoides Jason L. Hlebakos 2005-5-30 810 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
  JOTR36416  Elymus elymoides subsp. brevifolius La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3362 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  OBI32773  Elymus glaucus E. W. Lathrop 1965-4-26 5689 Riverside 4 mi SE of Murrieta Comment
  RSA751793  Elymus stebbinsii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35560 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  SD187424  Emmenanthe penduliflora Scott D. White, Angelia Carey 2004-4-16 10166 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  SD4048  Emmenanthe penduliflora Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UCR114116  Emmenanthe penduliflora B. G. Pitzer, J. Ross 1998-3-8 3611 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR91411  Emmenanthe penduliflora Scott D. White 1995-4-5 2723 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA0120006  Encelia actoni Duncan S. Bell, Thomas Stoughton 2016-4-13 9259 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UC219584  Encelia actoni P. A. Munz 1922-7-3 5961 Riverside road from Santa Rosa to Vandeventer; Santa Rosa Mts. 1676 Comment
  UCR235217  Encelia actoni A. C. Sanders, John F. Green 2012-6-1 40243 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  UCR244387  Encelia actoni Jim Andre 2012-4-16 20968 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
  CAS-BOT-BC131322  Encelia farinosa John Thomas Howell 1928-3-11 3425 Riverside Floor of Morongo [Canon] Canyon, n. Colorado Desert 609 Comment
  CHSC109007  Encelia farinosa Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4540 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  RSA0069673  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 5 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  RSA701091  Encelia farinosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11255 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range., [Coordinates are off a little and map in Riverside Co.] 570 Comment
  RSA789493  Encelia farinosa W. Blanchard 1932-4-16 s.n. Riverside Snow Creek [county not specified] Comment
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Jan 17 2016
  SD229087  Encelia farinosa Dick Schwenkmeyer 2012-5-22 721 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR101568  Encelia farinosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR227183  Encelia farinosa Jim Andre 2011-2-9 15933 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
  UCSB29016  Encelia farinosa Hornemann, D. 1977-2-26 Riverside Box Canyon Wash 60 Comment
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  SEINET11859836  Encelia farinosa Unknown 1936-4-21 12748 Riverside Colorado Desert N of Palm Springs Comment
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Oct 7 2017
  POM19630  Encelia farinosa var. farinosa Mary F. Spencer 1923-6-5 2207 Riverside Soboba Hot Springs, near San Jacinto. 549 Comment
  POM31393  Encelia farinosa var. farinosa Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  POM356677  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-8 3263 Riverside Mecca Pass east of Indio. 610 Comment
  UCR279353  Encelia farinosa var. farinosa A. C. Sanders, Jim Malusa 2017-3-23 42931 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  RSA792933  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 123 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  JOTR34056  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA383868  Ephedra aspera N. C. Cooper 1949-4-8 3285 Riverside Desert Center. 609 Comment
  RSA534620  Ephedra aspera Frederick W. Oettinger 1969-4-9 866 Riverside San Bernardino Mts., Whitewater Canyon: c. 10 mi. NNW of Palm Springs. Comment
  CAS-BOT-BC81538  Ephedra californica Catherine A. Toschi 1963-4-11 63 :124 Riverside Porcupine Wash, Joshua Tree National Monument 762 Comment
  CAS-BOT-BC81543  Ephedra californica H. M. Hall 1905-5-2 5979 Riverside Chuckawalla Peak Comment
  LA6769  Ephedra californica J. A. Ewan; 1932-4-8 7047 Riverside San Bernardino Mountains, Whitewater Canyon, about 3 mi above mouth Comment
  RSA107852  Ephedra californica L. S. Rose 1955-3-14 55028 Riverside Whitewater Wash, 3 mi se. of Palm Springs Station. 305 Comment
  UC205579  Ephedra californica H. M. Hall 1919-3-25 Riverside Whitewater Wash Comment
  CAS-BOT-BC81684  Ephedra fasciculata Ira L. Wiggins 1937-3-9 8746 Riverside Chuckawalla Spring, Chuckawalla Mts. 528 Comment
  UCR92156  Epilobium canum subsp. canum D. L. Banks, Steve Boyd 1995-10-17 0812 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  JOTR33119  Epilobium canum subsp. latifolium La Doux, Tasha, Mike Bell 2003-10-17 1602 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  RSA335023  Epilobium canum subsp. latifolium Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd., 0.8 miles east of junction with 8S01 and 8S02. Comment
  POM10085  Epilobium ciliatum subsp. ciliatum Charlotte M. Wilder 1906-10-8 885 Riverside Fairmont Park. Comment
  UC56487  Epilobium ciliatum subsp. ciliatum E. E. Schellenger July, 1901 Riverside Thompson's Springs Comment
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Mar 22 2014
  UCR14844  Epilobium densiflorum A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 439 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado. 610 Comment
  UC20067  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1901-7-3 2377 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1584 Comment
  POM15658  Epilobium hallianum Mary F. Spencer 1922-6-26 1705 Riverside Idyllwild, San Jacinto Mountains. 1220 Comment
  RSA458733  Epilobium oregonense M. B. Dunkle 1933-7-22 3745 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  RSA381726  Epipactis gigantea George Henry Grinnell 1919-6-1 s.n. Riverside Riverside. Comment
  UCR38681  Epipactis gigantea J. M. Stewart 1985-6-2 8523 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, Palm Canyon drainage 244 Comment
  UCR123836  Equisetum laevigatum Steven R. Hill 2001-4-29 33531 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
  CAS-BOT-BC204487  Eragrostis cilianensis S. B. Parish 1913-2-7 8442 Riverside Salton Basin. Mesa near Mecca -60 Comment
  POM78995  Eragrostis pectinacea I. M. Johnson 1925-7-19 s.n. Riverside Pedley. Comment
  RSA0042158  Eremalche rotundifolia Duncan S. Bell, Evan Meyer 2014-4-2 6503 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA586937  Eremocarpus setiger D. L. Banks, Peter Morrell 1995-5-4 0303 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, along Arroyo Seco. 597 Comment
  JEPS48796  Eriastrum densifolium Marjorie D. Clary 1932-6-5 926 Riverside Dead Indian Trail west side Colorado Desert, Santa Rosa Mts. Comment
  UC23525  Eriastrum densifolium subsp. austromontanum H. M. Hall July, 1901 2384 Riverside San Jacinto Mountains; s side 1584 Comment
  UCR126168  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside San Jacinto Mtns., Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1268 Comment
  CLARK-A1528-3804  Eriastrum densifolium subsp. mohavense John C. Roos 1943-5-23 2661 Riverside Little San Bernardino Mountains Comment
  OBI11567  Eriastrum eremicum subsp. eremicum R. F. Hoover 1969-4-14 11229 Riverside Palm Springs, Just south of south city limit Comment
  UC964727  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  SDSU21597  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Arica Mountains: northwest of mountain range, ca. 8.6 air miles west of the ghost town of Rice, and ca. 6.8 air miles northwest of Priests Well. 286 Comment
  UCR228158  Eriastrum harwoodii Dave Silverman, Fred T. Sproul, Tammie Beyerl, Erin Bergman 2010-3-29 7875 Riverside Sonoran (Colorado) Desert, East end of Chuckwalla Valley, W of Blythe, 1.3 m S of gas line frontage, 1.9 km S of I-10 and 8.5 km west of Nicholl's Warm Spring 142 Comment
  UC52457  Eriastrum sapphirinum H. M. Hall 1897-7-3 Riverside Riverside Comment
  RSA0043246  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-7-15 1578 Riverside Banning. 701 Comment
  SD146197  Eriastrum sapphirinum subsp. sapphirinum A. C. Sanders, S. D. Boyd, et al. 1998-10-25 22281 Riverside Pine Meadow along Highway 74 in Garner Valley, 1.0 mile northwest of Highway 371 junction to Anza. 1441 Comment
  UC31082  Ericameria cuneata var. cuneata H. M. Hall 1901-7-1 Riverside Tamarack Creek San Jacinto Mts., Tamarack Ck. 2133 Comment
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Aug 3 2008
  POM295632  Ericameria cuneata var. spathulata Lyman Benson 1952-12-29 15088 Riverside White Tanks, Joshua Tree National Monument, 915 Comment
  RSA296144  Ericameria cuneata var. spathulata B. A. Prigge 1980-8-18 3968 Riverside San Bernardino Mountains, Whitewater Canyon; 3.5 miles upstream from trout farm. 991 Comment
  UCR216423  Ericameria linearifolia Michael L. O'Leary 2008-4-16 01 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  UCR23274  Ericameria linearifolia John C. Roos 1952-4-2 5466 Riverside Box Springs Mtns, Box Springs grade east of Riverside. 427 Comment
  RSA0099990  Ericameria nauseosa var. bernardina Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8579 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  SD229091  Ericameria nauseosa var. bernardina Dick Schwenkmeyer 2012-8-27 800 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  SBBG62944  Ericameria nauseosa var. mohavensis J. E. Butner 1948-10-3 657 Riverside San Jacinto Mtns on St Hwy 74 Comment
  UCR180130  Ericameria palmeri var. pachylepis Mitch Provance 2003-4-26 9891 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  RSA588677  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-26 0834 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary 713 Comment
  POM80096  Erigeron foliosus Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  VVC61  Erigeron foliosus A. C. Sanders, J. Mac 1997-5-4 20685 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  CAS-BOT-BC296235  Erigeron foliosus var. foliosus P. C. Everett 1935-6-17 7158 Riverside Coldwater Canyon trail to Santiago Pk. 2 mi. above Glen Ivy Resort, Santa Ana Mts. 609 Comment
  POM13090  Erigeron foliosus var. foliosus E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  UCR225682  Erigeron foliosus var. foliosus Steve Boyd, Valerie Soza 2004-6-22 11548 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCR93236  Eriochloa acuminata A. C. Sanders 1994-7-27 15162 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  LA105134  Eriochloa aristata var. aristata John C. Roos; 1985-12-22 5962 Riverside Deep Canyon, Coachella Valley, 0.25 NW of Valerie Jean, W of Hwy 86, SE 0.25 -30 Comment
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Mar 23 2014
  LA205611  Eriodictyon crassifolium Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  POM230161  Eriodictyon crassifolium I. W. Clokey, Edward Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  RSA33585  Eriodictyon crassifolium N. C. Cooper 1944-5-20 1309 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  SEINET13710359  Eriodictyon crassifolium J. Adams, J. Adams (Botany) 1965-1 193 Riverside 2 Mi. Above Banning on Rd Toward Idyllwild 3500 Ft 1067 Comment
  UCR41221  Eriodictyon crassifolium var. crassifolium N. M. Fellows 1984-3-20 10 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  JEPS57  Eriodictyon trichocalyx M. D. Clary 1932-4-3 1030 Riverside 8 mi w Indio (Indian Wells, Whitewater Wash); Colorado Desert, Indian Wells, Whitewater Wash 30 Comment
  SD181397  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains; divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCR24892  Eriogonum apiculatum A. C. Sanders 1980-7-18 1640 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CAS-BOT-BC492917  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  JOTR32454  Eriogonum brachyanthum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2602 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  POM306135  Eriogonum davidsonii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1326 Riverside Santa Rosa Mountains. Comment
  RSA393467  Eriogonum davidsonii Anstruther Davidson 1892-7-3 s.n. Riverside San Jacinto. Comment
  JOTR34367  Eriogonum deflexum var. deflexum Andre, Jim 2012-4-16 20882 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA191436  Eriogonum elongatum E. W. Lathrop, Robert F. Thorne 1967-9-26 6655 Riverside 4 mi. NW of Murietta, 1 mi. W of Santa Rosa Ranch. Comment
  UCR114808  Eriogonum fasciculatum Mitch Provance 1998-2-6 21 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  UCR125220  Eriogonum fasciculatum Mitch Provance 1998-5-24 532 C Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  UCR231185  Eriogonum fasciculatum A. C. Sanders, Kent Beaman 2011-9-27 39918 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  CAS-BOT-BC249902  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  JOTR34388  Eriogonum fasciculatum var. flavoviride Andre, Jim 2012-4-16 20915 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA393431  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-4-21 C 2058 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CAS-BOT-BC250138  Eriogonum fasciculatum var. polifolium D. A. Johansen; J. A. Ewan 1932-4-10 7048 Riverside Warners Ranch at Whitewater, Western Colorado Desert Comment
  JOTR30059  Eriogonum fasciculatum var. polifolium La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1691 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  LA206784  Eriogonum fasciculatum var. polifolium D. A. Johansen; F. R. Fosberg 1932-4-10 7048 Riverside Warner Ranch at Whitewater Comment
  RSA393350  Eriogonum fasciculatum var. polifolium M. B. Dunkle 1933-3-3 3021 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
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Mar 20 2011
  RSA680836  Eriogonum gracile var. incultum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8667 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  CAS-BOT-BC257579  Eriogonum inflatum C. L. Hitchcock 1940-4-3 5928 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  CAS-BOT-BC257581  Eriogonum inflatum Carl B. Wolf 1932-4-26 2971 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  UC472765  Eriogonum inflatum var. deflatum M. F. Spencer 1918-4-13 Riverside In arenis, Palm Springs Colorado Desert, Palm Springs 125 Comment
  JEPS56846  Eriogonum inflatum var. inflatum W. L. Jepson 1914-5-18 5987 Riverside n Indio; Pinyon Well 762 Comment
  UC519989  Eriogonum molestum Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road San Jacinto Mts. 1371 Comment
  JOTR35374  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  RSA5249  Eriogonum nudum var. pauciflorum Carl B. Wolf 1932-8-5 3986 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  SBBG118  Eriogonum pusillum L. Rowntree 1928-3-20 Riverside Morongo Valley, N of Palm Springs Comment
  UCR35087  Eriogonum saxatile L. B. Ziegler 1975-5-1 540 Riverside San Jacinto Mtns., Pinyon Flats 1250 Comment
  CAS-BOT-BC263537  Eriogonum thomasii Javier Penalosa 1963-4-10 2791 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  RSA264150  Eriogonum thomasii C. W. Tilforth, J. Dourley, W. Wisura 1977-5-20 1331 Riverside 2 miles south of Rice and Hwy 62 along Blythe-Rice Rd. 267 Comment
  UC1329832  Eriogonum thomasii James E. Cole 1941-4-13 579 Riverside 0.5 mi n Meek's Cabin (Pinto Pass); Joshua Tree National Monument, Pinto Pass Comment
  RSA736288  Eriogonum thurberi Scott D. White, Justin M. Wood 2008-5-13 11958 Riverside Perris Basin: I-215 freeway right of way. South of Scott Rd. Comment
  UC912804  Eriogonum thurberi Ivan Johnston Apr 4 1917-Apr 6 1917 1085 Riverside near Palm Spring; Colorado Desert 152 Comment
  RSA420617  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-27 s.n. Riverside Gavilan Hills. Comment
  SJSU13122  Eriogonum wrightii var. membranaceum C. W. Sharsmith 1945-8-28 5455 Riverside Indian Cr, Mt San Jacinto, San Jacinto Mts 1828 Comment
  UC6553  Eriogonum wrightii var. membranaceum H. M. Hall July, 1901 2608 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR19426  Eriogonum wrightii var. subscaposum Harlan Lewis 1939-11-22 1018 Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  SBBG64303  Eriogonum wrightii var. wrightii R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  UCR75080  Erioneuron pulchellum A. C. Sanders, E. J. Lawlor 1992-4-4 12133 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET10867843  Erioneuron pulchellum David B. Dunn 1947-10-9 Dunn 3526 Riverside Grass. Joshua Tree National Monument at campground area by Hidden Valley. Comment
  RSA94416  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1933-4-13 10638 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  POM54680  Eriophyllum confertiflorum L. R. Abrams 1901-5-20 15713 Riverside Elsinore. Comment
  RSA36563  Eriophyllum confertiflorum Sara M. Schenck 1942-6-3 s.n. Riverside Black Rock Springs, Joshua Tree National Monument. 1140 Comment
  UCD132157  Eriophyllum confertiflorum E. W. Lathrop Date Unknown 6420 Riverside Corona, Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
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Jun 16 2013
  UCR34970  Eriophyllum confertiflorum L. B. Ziegler 1967-5-18 133 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  CAS-BOT-BC301799  Eriophyllum multicaule B. Pitzer 1997-4-1 3056 Riverside Lakeview Mtns, ca. .75 air mi. SSW of Mt. Rudoph, ca. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA535084  Eriophyllum multicaule Steve Boyd 1991-5-20 6279 Riverside Santa Ana Mtns, NW of Lake Elsinore. Lower Rice Canyon, 0.9 miles E of Cleveland National for boundary. 500 Comment
  UCR266473  Eriophyllum multicaule Mitch Provance, Matt Amalong 2015-3-25 315- 34 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
  POM358158  Eriophyllum wallacei Norman C. Cooper 1944-5-20 1246 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  SD204817  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-3-14 5195 Riverside Along Snow Creek Road, off Highway 111, about one mile from Snow Creek Village. 366 Comment
  RSA678971  Erodium botrys Scott D. White, Michael Honer 2003-6-3 9457 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC1922901  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. Cabazon 7.5' Quad. Comment
  UCR84584  Erodium botrys Scott D. White, S. Ogg 1994-4-21 2009 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR92699  Erodium botrys A. C. Sanders, O. F. Clarke 1996-4-13 18037 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  SDSU7341  Erodium cicutarium S. J. Barnhart 1966-4-1 660417 -13 Riverside South-west facing slope of small hill 0.1 miles east of McAllister Street along the Metropolitan Water Co. utility road (dirt), which is 1.5 miles south-east of the intersection of Mc Allister Street and Victoria Avenue. 457 Comment
  UCR245918  Erodium cicutarium Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3951 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA650067  Erodium cicutarium David B. Dunn 1948-3-14 3778 Riverside collected in Whitewater, just West of station. Comment
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Jan 14 2010
  CAS-BOT-BC54337  Erysimum capitatum Edmund C. Jaeger 1922-6-12 s.n. Riverside MacMullen Trail, east slope San Jacinto Mountains. 1127 Comment
  UC1034736  Erysimum capitatum G. B. Rossbach 1955-4-22 584 Riverside Juniper Flat Little San Bernardino Mountains (n side of mts) 1432 Comment
  POM159828  Erysimum capitatum var. capitatum E. C. Jaeger 1926-3-27 s.n. Riverside Old Santa Rosa, Colorado Desert. [possibly deserted Santa Rosa Indian Village, Santa Rosa Mtns. -SW] Comment
  RSA0020236  Erythranthe breweri Steve Boyd, Gary D. Wallace 2005-7-30 11637 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA433688  Eschscholzia californica N. C. Cooper 1949-6-3 4148 Riverside Temecula 762 Comment
  POM17821  Eschscholzia californica var. peninsularis P. A. Munz 1923-6-14 7078 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  SEINET7907904  Eschscholzia glyptosperma D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  JOTR35067  Eschscholzia minutiflora La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3519 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
  RSA445668  Eschscholzia minutiflora M. B. Dunkle 1937-3-25 4917 Riverside Colorado Desert. Shaver's Well 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
  UCD105362  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 Riverside Mecca-Jushua Tree Road, 7.0 miles southwest of junction with Interstate Highway 10. 243 Comment
  RSA0123114  Eschscholzia papastillii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9021 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCD96520  Eschscholzia papastillii Shannon M. Still 2009-2-21 439 Riverside California. Riverside County. 229 Comment
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Sep 2 2017
  SBBG2342  Eschscholzia parishii H. and M. Dearing 1937-4-10 510 Riverside NE of Indio Comment
  UC855179  Eschscholzia parishii C. L. Hitchcock 1940-3-29 5861 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  UCSB8552  Eschscholzia parishii Walker, Clifford 1954-4-10 Riverside Mouth of White Water Canyon Comment
  RSA0012837  Eucalyptus tereticornis Chris M. Johnson 1970-3-16 74 Riverside Outside Corona, Hwy 71, at Rancho El Hermano entrance. 244 Comment
  RSA776250  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  UC1930058  Eulobus californicus Scott D. White, Angelia Carey 2004-7-2 10562 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 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
  RSA736624  Euphorbia L. C. Wheeler 1950-4-7 6759 Riverside Ca. 3 mi. west of Dale Lake, just west of two pumping plants on main 29 Palms- Amboy Rd. Comment
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Aug 15 2012
  CAS-BOT-BC310320  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 Riverside Arica Mountains. Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well 202 Comment
  RSA709800  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  UCR264217  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-9-10 41864 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR176690  Euphorbia maculata R. D. Goeden, Don W. Ricker 1965-6-18 s.n. Riverside Riverside, north side of Blaine St. just west of Gage Canal 313 Comment
  RSA339680  Euphorbia misera R. F. Thorne 1980-5-25 54154 Riverside S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon. ca. 1/4-1/2 mile E of Whitewater Post office; S-facing end of rocky ridge above old rad, due N o hwy to Indio. Comment
  UCR49371  Euphorbia ocellata Theo Glenn 1986-4-5 s.n. Riverside Western Colorado Desert, Coachella Valley, Willow Hole, between Thousand Palms and Desert Hot Springs 213 Comment
  UCR99440  Euphorbia ocellata L. C. Wheeler 1952-10-29 7010 a Riverside Riverside, Citrus Experimental Station Comment
  POM249992  Euphorbia palmeri E. C. Jaeger 1928-05 s.n Riverside Pinon Alta Flats, Riverside county Comment
  UC17653  Euphorbia palmeri Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  RSA676156  Euphorbia polycarpa Scott D. White 2001-4-3 8258 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR167267  Euphorbia polycarpa John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR214906  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37678 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR51361  Euphorbia polycarpa S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake 488 Comment
  CSUSB640  Euphorbia polycarpa var. polycarpa R. P. Sunderman 1968-4-24 Riverside University of California campus, Riverside 396 Comment
  UCR17653  Euphorbia polycarpa var. polycarpa Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  SD255147  Euphorbia serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  SD109085  Euphorbia setiloba Grady L. Webster, R. Hildreth 1966-12-10 7467 Riverside Wash in Box Canyon, ca. 9-10 miles northeast of Mecca on California 195. 239 Comment
  UCR128936  Euphorbia setiloba Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  RSA525338  Euphorbia spathulata Steve Boyd, David E. Bramlet 1990-4-29 4468 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  CAS-BOT-BC428029  Fabaceae L. Nye; G. Gust 2005-3-11 56 Riverside Lake Elsinore. Ca. 2 miles SW of intersection of I-15 and Rt. 74. Hotel parking lot on Auto Center Dr. 399 Comment
  HSC101529  Fagonia laevis J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12774 Riverside 457 Comment
  HSC82755  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains, Box Canyon on Box Canyon Rd., 5.9 miles E of Mecca. 305 Comment
  LA209846  Fagonia laevis Harlan Lewis; 1939-12-31 1165 Riverside Desert Center Comment
  UCR137695  Festuca megalura D. L. Banks, V. W. Steinmann 1997-3-13 1481 B Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR102847  Festuca myuros A. C. Sanders 1997-3-26 20108 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  UCR117081  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24199 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
  UCR162272  Festuca myuros S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR21122  Festuca myuros A. C. Sanders, Steve Boyd 1980-5-19 1491 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  UCR42391  Festuca myuros D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  UC1930196  Festuca pratensis Scott D. White, Justin Wood 2008-6-24 12289 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. Comment
  UCR228838  Filago arizonica A. C. Sanders, T. B. Salvato 2011-4-27 39337 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR162275  Filago californica S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR20331  Filago californica John C. Roos 1952-4-9 5510 Riverside San Bernardino Basin Region, Riverside, southeast face of Mount Rubidoux 335 Comment
  UCR213571  Filago californica A. C. Sanders, Matthew Malle 2010-4-23 38001 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR261411  Filago depressa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41432 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SEINET7048207  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33719 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
  CDA5867  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  CDA5868  Flaveria trinervia T. C. Fuller 1962-10-1 9688 Riverside S.L. Graves property, 154 West Avenue L, Calimesa. 0 Comment
  UCR18413  Flaveria trinervia Mark Tavianini 1977-10-23 s.n. Riverside Riverside, McKinley Street about 1 mi north of Hwy 91 Comment
  RSA502199  Forestiera pubescens Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3706 b Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
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Oct 23 2017
  LA26729  Fouquieria splendens William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  RSA0013452  Fouquieria splendens April Garbat, Sarah J. De Groot 2013-4-9 44 Riverside Along Graham Pass Rd near intersection with Chuckwalla Valley Rd. Population from Chuckwalla Springs Rd to the pass. 416 Comment
  UCR263412  Fouquieria splendens Aaron C. Sedgwick, Brett Griffin 2012-3-28 036 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  JOTR16706  Fouquieria splendens subsp. splendens Cole, James E. 1941-5-21 762 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 487 Comment
  UC217985  Fragaria vesca P. A. Munz and I. M. Johnston 1922-5-19 5388 Riverside 3 mi w Keen Camp; San Jacinto Mts. 1493 Comment
  CAS-BOT-BC211016  Fraxinus velutina Winfield 1975-4-17 2399 Riverside West end Fairmont Park - Riverside Comment
  UC217971  Fraxinus velutina P. A. Munz and I. M. Johnston 1922-5-7 5279 Riverside Keyes Ranch Little San Bernardino Mts. 1066 Comment
  RSA735064  Funastrum cynanchoides var. cynanchoides Scott D. White, Angelia Carey 2004-6-4 10478 -A Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA70346  Funastrum cynanchoides var. hartwegii F. W. Peirson 1925-5-20 6010 Riverside Aguanga. 610 Comment
  SD144078  Funastrum heterophyllum Scott D. White 1997-5-25 14407 Riverside San Jacinto Mts.: Bautista Canyon: along Bautista Cyn Rd. ca. 1.3 road miles NW of Hixon Trailhead (USFS No. 2E43). 700 Comment
  SD187330  Funastrum heterophyllum Scott D. White, Angelia Carey 2004-9-16 10753 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  RSA458597  Funastrum hirtellum Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UCR198191  Funastrum hirtellum Michael Honer, L. Hulse 2004-4-3 1890 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  RSA740617  Gaillardia aristata Scott D. White, Justin M. Wood 2008-6-19 12253 Riverside San Jacinto Mountains: USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  UC1618025  Galium andrewsii Donald G. Nelson 1936-5-22 386 Riverside on the Pines-to-Palms Hwy. at Ribbonwood Camp (San Jacinto Mts.); San Jacinto Mts. Comment
  UCR230923  Galium angustifolium T. B. Salvato, Richard Camacho 2011-6-12 5476 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  POM17946  Galium angustifolium subsp. angustifolium Philip A. Munz 1923-6-14 7118 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  UCR117616  Galium angustifolium subsp. angustifolium Scott D. White 1997-5-25 5234 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR3403  Galium angustifolium subsp. angustifolium John Minnich 1964-4-7 64-4-7- 6 Riverside Box Springs Mtns, Two Trees Canyon, Riverside 367 Comment
  RSA689701  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1709 Riverside Lake Fulmore; NW side of Lake. 1616 Comment
  RSA652667  Galium aparine Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
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May 20 2012
  SEINET1909898  Galium aparine T. B. Salvato, John F. Green 2004-1 555 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  POM99011  Galium stellatum E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  POM259112  Gayophytum diffusum subsp. parviflorum P. A. Munz 1938-8-14 15361 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA633319  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38085 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  CAS-BOT-BC303577  Geraea canescens Carl B. Wolf 1932-4-27 3066 Riverside Colorado Desert. 16 miles E of Desert Center 121 Comment
  POM289783  Geraea canescens Lyman Benson 1933-3-31 4193 Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA699241  Geraea canescens J. R. Bruff 1928-4-3 s.n. Riverside 13 miles W of Desert Center. Comment
  RSA779580  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR245958  Geraea canescens Duncan S. Bell 2009-3-8 51 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  UC1929929  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  RSA0036704  Geranium carolinianum Robert F. Thorne 1973-5-23 43879 Riverside SANTA ROSA PLATEAU: Mesa de Colorado 610 Comment
  RSA773171  Gilia Duncan S. Bell, Valentin Arvizu 2010-5-24 1110 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  UCR133125  Gilia A. C. Sanders 1985-5-4 5778 Riverside Santa Rosa Mtns, Hwy 74 at Santa Rosa Mountain Rd. 1402 Comment
  JEPS69448  Gilia angelensis Dr. L. M. Newlon 1922-4-3 432 Riverside Andreas Canyon San Jacinto Mts., Andreas Canyon Comment
  RSA424901C  Gilia angelensis N. M. Fellows, A. C. Sanders 1985-4-9 134 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 mi west of Snow Creek Village. 489 Comment
  RSA776210  Gilia angelensis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 862 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SD262343  Gilia angelensis Mitch Provance, Jeramiah George, Matt K. Beyers, John Hazlett 2017-3-27 317 75 Riverside Temescal Valley: North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. (Alberhill 7.5'Q) 392 Comment
  UC2015540  Gilia angelensis A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16171 Riverside Coachella Valley/San Jacinto Mtns. Foothills, N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Highway 111 (Palm Canyon Dr.) Comment
  UC880103  Gilia angelensis Marcus E. Jones, A. M. 1882-4-25 2811 Riverside San Jacinto Comment
  UCR281270  Gilia angelensis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 48 Riverside Perris-Aguanga Basin, Menifee, Bundy Canyon Rd., NE intersection with Sunset Ave. 534 Comment
  UCR6144  Gilia angelensis C. M. Bringle, H. Johnston 1967-4-22 5 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  RSA470277  Gilia capitata subsp. abrotanifolia M. B. Dunkle 1938-1 5315 Riverside Palm Springs Comment
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Nov 3 2011
  UC52478  Gilia diegensis Miss Jessie Nutting 1897-4-7 440 Riverside Winchester Comment
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Mar 20 2011
  UC23841  Gilia latiflora subsp. davyi Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA754126  Gilia ochroleuca W. Schlegel, Andrew Troutte 2008-8-8 6 Riverside Idyllwild: Dry creek bed. Comment
  UCR26529  Gilia ochroleuca A. C. Sanders, S. Hagopian 1981-5-20 2124 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
  RSA0016234  Gilia ochroleuca R. F. Thorne 1995-3-29 63023 Riverside White Water Canyon. 600 Comment
  JEPS4073  Gilia ochroleuca subsp. exilis M. French Gilman 1921-4-15 12 Riverside Banning Comment
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Dec 17 2016
  JEPS4120  Gilia ochroleuca subsp. exilis W. L. Jepson 1903-8-5 2261 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  SEINET7040152  Gilia ochroleuca subsp. exilis A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  HSC87253  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2186 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  RSA778253  Gilia scopulorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 919 B Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  GMDRC2592  Gilia stellata J. Andre, T. La Doux 2008-3-21 8835 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  LA210342  Gilia stellata K. Watkins; E. McClintock 1937-4-10 sn Riverside Palms to Pines Highway near road to Shumay Comment
  POM254894  Gilia stellata P. A. Munz 1940-3-24 15702 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA709879  Gilia stellata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4624 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  RSA71807  Gilia stellata F. W. Peirson 1920-2-16 2297 Riverside Foot of Alkali Canyon, southeast of Palm Canyon, east base of San Jacintos Mountains Comment
  UCR169787  Gilia stellata Scott D. White 2003-5-23 8835 Riverside Santa Rosa Mountains, Hwy 74 near Carrizo Creek crossing. Rancho Mirage 762 Comment
  UCR88535  Gilia stellata A. C. Sanders 1995-4-13 16492 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
  RSA712687  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range: Alberhill Mountain, SE of old clay mining area. 448 Comment
  RSA494626  Gnaphalium californicum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA586118  Gnaphalium californicum D. L. Banks, S. D. Boyd 1995-4-5 0158 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, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 549 Comment
  UCR162876  Gnaphalium californicum T. B. Salvato, Kelly Volansky 2003-3-27 134 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR234762  Gnaphalium leucocephalum A. C. Sanders, John F. Green 2012-6-25 40304 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  RSA586158  Gnaphalium luteoalbum D. L. Banks, S. D. Boyd 1995-3-30 0123 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 726 Comment
  UCR241658  Gnaphalium luteoalbum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 318 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR264073  Gnaphalium microcephalum S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1071 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  RSA719794  Gnaphalium palustre Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1777 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR154974  Gnaphalium palustre A. C. Sanders, Kelly Volansky 2005-3-17 29209 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
  UCR90309  Gnaphalium palustre F. M. Reed 1922-5-17 4748 Riverside Sonoran (Colorado) Desert, east of Palm Springs 152 Comment
  UC1584126  Guillenia lasiophylla Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3875 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  JEPS49061  Gutierrezia californica Lewis S. Rose 1966-12-14 66110 Riverside 3 mi w Palm Springs; Chino Canyon 670 Comment
  SD51723  Gutierrezia californica Otto T. Solbrig 1958-8-20 2775 Riverside 1.0 mile from Palm Spring-Palm Desert Highway near entrance to Tahquitz Canyon Comment
  SEINET269563  Gutierrezia californica Scott D. White 1996-5-27 4077 Riverside E. of Moreno Valley and S.of Calimesa between State Hwy. 60 and Gilman Spr. Rd. west and north of former gravel quarry 518 Comment
  CAS-BOT-BC302142  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3026 Riverside 19.3 KM (12 mi) E of Kern Camp Summit on California State Highway 74 in the San Jacinto Mountains at Hurkey Creek Picnic Area 1341 Comment
  POM359228  Gutierrezia sarothrae Donald Myrick 1969-10-19 2126 Riverside Along Palms to Pines Hwy 74 above Palm Desert. 610 Comment
  SD229095  Gutierrezia sarothrae Dick Schwenkmeyer 2012-3-26 678 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCR128243  Haplopappus venetus A. C. Sanders, Kelly Volansky 2003-10-16 27334 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA0066607  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-16 3029 Riverside Vail lake Area, 0.5 mi WNW of dam, S flank Oak Mt. 487 Comment
  UCR176082  Hedypnois cretica Teresa Nieto 2005-4-14 02 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
  UCR107719  Helianthus annuus A. C. Sanders 1997-3-1 19739 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR111776  Helianthus annuus subsp. lenticularis Mitch Provance 1998-5-4 1717 Riverside Riverside (Rubidoux), Belltown area, 'gravel pits' just south of 26th St. and Hall Ave. 250 Comment
  RSA659711  Helianthus niveus J. C. Roos 1965-4-28 s.n. Riverside Palm Springs. Comment
  CLARK-A1528-1913  Helianthus niveus subsp. canescens John C. Roos 1965-4-28 Riverside Palm Springs Comment
  UCR256783  Heliotropium curassavicum T. B. Salvato, Matthew Malle 2013-5-20 7575 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
  UCSB56160  Heliotropium curassavicum Liston, A.; Elias, Thomas; Dorado, O. 1986-11-29 Riverside Road to Painted Canyon, Mecca Hills Comment
  CAS-BOT-BC314980  Hemizonella minima Munz; Street; Williams 1919-5-30 2828 Riverside Dark Canyon, Pine Crest, San Bernardino Mts. Comment
  RSA784859  Hemizonia fasciculata Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 sn Riverside Lake Skinner County Pk, S. base of Bachelor Mtn Comment
  UCR260528  Hemizonia fasciculata T. B. Salvato 2014-5-29 8042 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
  UCR85583  Hemizonia kelloggii Julie A. Greene 1993-5-12 1322 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  RSA614690  Hemizonia mohavensis A. C. Sanders, Wappler 1994-10-6 15789 Riverside San Jacinto Mts. N slope : S side of Twin Pines Road just W of the entrance to Twin Pines Ranch. 1067 Comment
  UCR171722  Hemizonia paniculata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  IRVC29255  Hemizonia pungens subsp. laevis Kay Stockwell 1999-6-6 s.n. Riverside Warm Springs Creek, Murrieta; 0.5 mi. south of Murrieta Hot Springs Road 320 Comment
  RSA1909  Hesperocallis undulata B. D. Stark 1931-4-27 1090 Riverside 2.0 miles east of Mecca. Alt. below sea level. Comment
  UCSB690  Hesperocallis undulata Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shavers Summit Comment
  RSA586490  Hesperolinon micranthum D. L. Banks, Steve D. Boyd 1995-5-9 340 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
  SBBG120598  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  CAS-BOT-BC131792  Hesperoyucca whipplei E. K. Balls 1955-4-25 20443 Riverside Mt. San Jacinto Comment
  RSA192331  Heteromeles arbutifolia H. A. Zuill 1966-6-29 259 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  UCR174255  Heteromeles arbutifolia A. C. Sanders, T. B. Salvato 2006-6-2 33066 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR163988  Heterotheca grandiflora John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  UCR34980  Heterotheca grandiflora L. B. Ziegler 1967-12-10 263 Riverside San Jacinto Valley at San Jacinto 473 Comment
  CAS-BOT-BC312304  Heterotheca villosa var. nana John Roos; Lucille Roos 1950-10-21 5011 Riverside Wonderland of Rocks, Little San Bernardinno Mts. 1219 Comment
  CAS-BOT-BC425261  Heuchera rubescens Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Peak, San Jacinto Mts. 3293 Comment
  POM118516  Hibiscus denudatus Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM13675  Hibiscus denudatus E. C. Jaeger 1922-3-4 1035 Riverside Painted Canyon near Mecca. Comment
  RSA336043  Hibiscus denudatus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52026 Riverside Chino Canyon. Comment
  RSA704590  Hibiscus denudatus LeRoy Gross 2005-3-3 1589 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC170160  Hibiscus denudatus E. E. Schellenger 1894-12-2 106 Riverside Chuckawalla Wash, Colorado Desert Comment
Read comments
Sep 15 2016
  RSA716191  Hirschfeldia incana Scott D. White, Angelia Carey 2004-4-5 10018 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCD115106  Hirschfeldia incana K. Esau 1935-6-15 s.n. Riverside location unknown. Comment
  CAS-BOT-BC206376  Hoffmannseggia microphylla Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  CAS-BOT-BC207551  Hoffmannseggia microphylla Miss Ferguson 1917-4-5 s.n. Riverside Near Palm Canyon Comment
  LA45784  Hoffmannseggia microphylla Carl Epling; William Robison, William Stewart 1936-3-22 sn Riverside Painted Canyon, near Mecca Comment
  UCSB18783  Hoffmannseggia microphylla Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 32.2 miles W of Desert Center 304 Comment
  RSA646292  Holodiscus discolor Orlando Mistretta 1992-7-16 725 Riverside Santa Ana Mountains: Sierra Peak; Astragalus brauntonii survey. Comment
  RSA563921  Hordeum intercedens A. C. Sanders 1993-4-1 13661 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  RSA544417  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross 1991-6-14 6385 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SDSU17483  Hordeum murinum subsp. leporinum Jerry Jenkins 2001-3-30 2001 -003 Riverside Santa Margarita Ecological Reserve. Edge of driveway. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  SDSU9063  Horkelia bolanderi F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  UCR256883  Horkelia clevelandii G. D. Wallace 2003-7-8 4050 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  LA207994  Horkelia clevelandii var. clevelandii Carl Epling; William Robison 1935-6-30 sn Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  UCR49238  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCSB26717  Hulsea heterochroma Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along Riverside County Road R1, 7.0 miles northeast of Idyllwild, San Jacinto Mtns. 1645 Comment
  CAS-BOT-BC312596  Hulsea vestita subsp. callicarpha D. E. Breedlove 1961-8-4 936 Riverside Along Riverside Highway 1 at Junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  POM12884  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside Zigzag on trail S of Hidden Lake. 2348 Comment
  RSA125315  Hulsea vestita subsp. callicarpha R. Weatherby 1949-6-6 637 Riverside Santa Rosa Mountain. 1982 Comment
  RSA126701  Hulsea vestita subsp. callicarpha David Kyhos 1958-5-16 58 -187 Riverside Palms to Pines Highway, 2.5 miles W of Aguanga turnoff, San Jacinto Mts. Comment
  UCR201643  Hulsea vestita subsp. callicarpha Scott D. White, Justin M. Wood 2008-6-16 12150 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA597243  Hydrocotyle umbellata A. C. Sanders 1996-4-24 18089 Riverside Morongo Indian Reservation, Vicinit of natural pond & bog at SE sdge of Burro Flats. 1098 Comment
  POM126316  Hymenoclea salsola Thos Craig 1927-4-2 3 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  POM306690  Hymenoclea salsola Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1692 Riverside Near Desert Center-Indio. Comment
  POM361074  Hymenoclea salsola M. B. Dunkle 1932-3-25 2895 Riverside Near Cathedral Canyon. Comment
  POM8368  Hymenoclea salsola Mary F. Spencer 1920-3-28 460 Riverside Palm Springs. 122 Comment
  RSA777630  Hymenoclea salsola Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR109543  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 1.5 mi. west of Corn Spring in wash on canyon bottom 600 Comment
  UCR133378  Hymenoclea salsola Mitch Provance, J. S. Ross 1998-3-27 MOR- 990 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  RSA155545  Hymenoclea salsola var. pentalepis L. S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  RSA314159  Hymenopappus filifolius var. lugens Walter Wisura 1983-6-25 3914 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  UCR18648  Hymenopappus filifolius var. lugens Frank C. Vasek 1973-6-8 730608- 12 Riverside Santa Rosa Mtns, 1 mi above Garnet Queen Creek, at large curve in road 2073 Comment
  UCR114306  Hypochaeris glabra Julie A. Greene 1993-4-30 1264 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  CAS-BOT-BC219771  Hyptis emoryi E. Braunton 1929-1-1 1023 Riverside Painted Canyon, Mecca Comment
  JEPS63220  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Painted Canyon; Colorado Desert, Painted Canyon Comment
  RSA27598  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA420166  Hyptis emoryi Albert J. Perkins 1916-4-17 s.n. Riverside Near Andreas Canyon. Comment
  RSA700973  Hyptis emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11220 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SEINET13948496 Image available Hyptis emoryi Leila M. Shultz, John S. Shultz 1985-1 8352 Riverside SE benches of Chuckawalla Mountains at Alligator Rock; T5S R15E SEC33; 33 deg. 41' N, 115 deg. 25' W; elev 1120 ft 341 Comment
  UCR52026  Hyptis emoryi Steve Boyd, S. Meury, , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2102 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA582046  Imperata brevifolia L. C. Wheeler 1933-12-2 2318 Riverside U.S. 99, 2 miles NW Whitewater Station 366 Comment
  CAS-BOT-BC311606  Isocoma acradenia var. eremophila W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] Comment
  POM359530  Isocoma acradenia var. eremophila L. C. Wheeler 1931-11-27 375 Riverside 5 miles SE Mecca. -61 Comment
  SEINET7883482 Image available Isocoma eremophila Lewis S. Rose 1938-1 38345 Riverside Palm Springs 137 Comment
  SBBG81101  Isocoma menziesii S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  UC2015589  Isocoma menziesii Scott D. White 1995-12-30 3802 Riverside Perris Basin SW of Perris, above S bank of San Jacinto River. Comment
  CDA32703  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-1 PDR# 1501831 Riverside Southwest of Perris, along the San Jacinto River banks. 0 Comment
  UCR215595  Ivesia saxosa Jim Andre, T. La Doux 2008-9-16 10701 Riverside Mojave Desert, Joshua Tree National Park, on the southeast end of Splitock Picnic Area 1290 Comment
  UCD51331  Jarava speciosa F. M. Reed 1926-5-8 5326 Riverside Riverside and vicinity, hill near Good Hope Mine. Comment
  UCR241847  Juglans A. C. Sanders 2013-4-17 40804 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km west of Hammack Ave. 505 Comment
  RSA0011074  Juglans californica A. C. Sanders 2004-6-30 28395 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  SACT002762  Juglans regia G. Pyburn 1890-6-7 Riverside Comment
  SEINET10796317  Juncus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12856 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  SDSU14318  Juncus arcticus var. mexicanus Kristin Andrade, Mike Simpson 2002-4-20 12 Riverside On north side of Santa Margarita river, 500 feet from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  CDA32302  Juncus bufonius D. Domenigoni 2000-3-28 PDR 1243980 Riverside Southern California; West Coast Turf, Winchester Rd. Winchester, CA. 0 Comment
  RSA368165  Juncus bufonius N. C. Cooper 1944-5-6 2636 Riverside Whitewater Canyon. 457 Comment
  UCR158140  Juncus bufonius A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30091 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
  UCR201821  Juncus bufonius Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR202245  Juncus bufonius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR281107  Juncus bufonius Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 25 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
  RSA653674  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester 433 Comment
  RSA70059  Juncus bufonius var. occidentalis F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley, south of Perris. 457 Comment
  UC146450  Juncus duranii Charlotte M. Wilder 1909-7-12 924 Riverside head of Round Valley San Jacinto Mts. Comment
  UCR224436  Juncus effusus Scott D. White, Justin M. Wood 2009-5-22 12923 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  UCD169325  Juncus macrophyllus A. C. Sanders 2008-7-25 35885 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
  UCR59517  Juncus macrophyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3562 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA0014624  Juncus nevadensis var. nevadensis Phillip A. Munz, I. M. Johnston 1924-7-27 8773 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  SD187311  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA353678  Juniperus californica N. C. Cooper 1943-10-9 960 Riverside Riverside. (Camp Hahn.) Dry hillside. Near March Air Force Base. 457 Comment
Read comments
May 13 2011
  UCR89762  Juniperus californica Scott D. White 1993-5-27 1434 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCR94059  Juniperus californica Scott D. White, D. Haselfeld 1996-7-2 4263 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
  CAS-BOT-BC234595  Justicia californica Jeanne R. Janish 1953-1-7 1026 Riverside Mecca Wash - Mecca (Box Canyon) Comment
  JOTR32321  Justicia californica Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  LA202781  Justicia californica Carl Epling; March 1927 sn Riverside Tahquitz Creek near Palm Springs Comment
  LA202785  Justicia californica Philip A. Munz; 1932-3-14 11971 Riverside Deep Canyon, Coachella Valley 91 Comment
  RSA778831  Justicia californica Jim Andre 2011-2-9 15901 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA813291  Kallstroemia californica Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 37 Riverside Sonoran Basin and Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). Comment
  UC886789  Keckiella antirrhinoides C. B. Clokey, B. C. Templeton, and I. W. Clokey 1930-4-15 4772 Riverside Perris; Gavilan Peak 650 Comment
  VVC481  Keckiella antirrhinoides A. C. Sanders, J. Mac 1997-5-4 20698 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA0003176  Keckiella antirrhinoides Leota Brice 1930-4-10 s.n. Riverside [Unspecified] Comment
  CAS-BOT-BC236705  Keckiella antirrhinoides subsp. antirrhinoides A. C. Sanders; J. Goetzen 1996-5-1 18123 Riverside Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning, San Bernardino Mtns. 914 Comment
  UCR93813  Keckiella antirrhinoides var. antirrhinoides P. J. MacKay 1996-6-15 009 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  CAS-BOT-BC235775  Keckiella cordifolia J. T. Howell 1928-7-8 1055 Riverside Santa Ana Mts. above Glen Ivy 1066 Comment
  UCR24489  Keckiella cordifolia John C. Roos, L. Roos 1952-6-24 5786 Riverside In the hills west of Beaumont 732 Comment
  UCR57123  Keckiella cordifolia Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: south of town of Murrieta, head of Cole Canyon, NW of Mesa de Burro Comment
  SBBG11771  Keckiella ternata subsp. ternata D. E. Breedlove 1961-8-5 939 Riverside Riverside Hwy 1, 0.2 mi SW of Fuller Mill Crk 1645 Comment
  CDA3136  Kochia scoparia Scott D. White 1998-7-4 6846 Riverside Corona: River Road bridge over the Santa Ana River. Comment
  RSA674943  Koeleria macrantha Scott D. White, Sandy Leatherman 2000-5-31 7977 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA697696  Koeleria macrantha J. Russell Bruff 1934-6-19 557 Riverside Idyllwild Comment
  UC38700  Koeleria macrantha H. M. Hall 1901-6 2429 Riverside San Jacinto Mountains Tauquitz Valley; , Tauquitz Valley 1889 Comment
  UCR20551  Koeleria macrantha W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR24950  Koeleria macrantha A. C. Sanders 1980-7-18 1649 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UC449697  Krameria grayi E. E. Schellenger 1911-4-25 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs Comment
  RSA266381  Lactuca serriola J. C. Roos 1937-8-17 2546 Riverside San Jacinto. Comment
  UC64845  Laennecia coulteri E. A. Zumbo 1904-1-1 438 Riverside Cold Water Canyon Santa Ana Mts. Comment
Read comments
Jan 11 2007
  RSA543136  Lamarckia aurea Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6125 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR117347  Lamium amplexicaule Mitch Provance 1998-3-21 273 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', mesas below (SW of) the Ormand Quarry. 287 Comment
  UCR97246  Lamium amplexicaule Scott D. White 1997-2-28 4705 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UC68781  Langloisia setosissima subsp. setosissima H. M. Hall Apr., 1905 5807 Riverside 10 mi. w. Coachella; Colorado Desert 152 Comment
  UCR279602  Langloisia setosissima subsp. setosissima A. C. Sanders, Jim Malusa 2017-3-28 43166 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CAS-BOT-BC166025  Larrea tridentata Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  RSA703802  Larrea tridentata LeRoy Gross 2005-3-3 1595 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR261451  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41448 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCSB3664  Larrea tridentata Bobkowski, Vincent 1960-4-1 Riverside 3 Miles south west of Intersection State Highway 195 and U.S. 60-70 in the Orocopia Mountains Comment
  RSA390027  Larrea tridentata Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  SD181385  Lastarriaea coriacea Rashmi Pant, Darin Banks 1996-5-13 1024 Riverside NW Palomar Mtns. Agua Tibia Mountains. Foothills S of Hwy 79; E of the Dripping Spring Campground, E of the Dripping Springs Guard Station Comment
  UC55736  Lastarriaea coriacea H. M. Hall May, 1901 Riverside West Riverside Comment
  CAS-BOT-BC354215  Lasthenia coronaria Scott D. White 1996-4-14 3899 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  POM15179  Lasthenia coronaria Mary F. Spencer 1922-4-10 1951 Riverside Snow Creek, Palm Springs, Colorado Desert. 183 Comment
  RSA776212  Lasthenia coronaria Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 864 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SJSU11845  Lasthenia coronaria K. W. Radford 1956-3-26 109 Riverside 5 mi S of Morongo Valley Comment
  UCR25422  Lasthenia coronaria John C. Roos 1952-4-13 5535 Riverside N side of the Box Springs Mountains 457 Comment
  UCR97485  Lasthenia coronaria A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19860 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA550489  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2231 Riverside The site is adjcent to 150m north of the Colorado River aqueduct road, some 620m east of warren Road. The site is approximatly 150-305m south of the Ramona Expressway. 427 Comment
  RSA12915  Lasthenia gracilis C. B. Wolf 1935-4-7 6305 Riverside 2 mi. SW of Perris. 427 Comment
  RSA556480  Lasthenia gracilis Julie Greene 1993-3-13 1009 Riverside On the berm between the western ponds 440 Comment
  RSA660556  Lasthenia gracilis Lydia Paneri 1982-4-17 14 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA683864  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-4 8952 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SBBG103913  Lasthenia gracilis S. D. White 1993-4-20 1215 Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  PASA1050  Lathyrus alefeldii Frank W. Peirson 1922-4-28 Riverside Leach canyon, Elsinore Region 548 Comment
  SBBG89554  Lathyrus vestitus var. vestitus J. Adams 1966-4-28 728 Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  UCR84784  Layia glandulosa Scott D. White, S. Ogg 1994-4-21 1977 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  OBI51898  Layia platyglossa Steve Myers 1988-2-4 s.n. Riverside Northgate Estates dev, immed Nw of Cyn Lake (T5S, R4W, SE 1/4 sec 27) 488 Comment
  RSA691061  Layia platyglossa Scott D. White, Michael Honer 2003-4-9 8975 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UCR97497  Layia platyglossa A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19880 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA352157  Lemna minor Wayne P. Armstrong 1985-6-29 1240 Riverside Fulmor Lake -- on Highway R1 NW of Idyllwild. 1524 Comment
  UCR95225  Lemna valdiviana D. L. Banks, E. H. Banks 1996-5-2 945 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  CAS-BOT-BC215768  Lepechinia E. W. Lathrop 1973-6-28 7440 Riverside Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1219 Comment
  CLARK-A1528-5690  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  UCR112328  Lepidium dictyotum var. acutidens A. C. Sanders, K. C. Rose 1998-5-21 21858 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR162956  Lepidium dictyotum var. acutidens Fred M. Roberts, D. E. Bramlet 2005-4-1 6152 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR19094  Lepidium dictyotum var. acutidens John C. Roos 1950-3-18 4712 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 457 Comment
  UC710906  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash Cottonwood Springs Comment
  JOTR37718  Lepidium fremontii var. fremontii Hodges, Stephen R., T. Hender 2016-1-13 649 Riverside Joshua Tree National Park. Southern Pinto Basin between Eagle Mountains and the Coxcomb Mountains. Vicinity of Pinto Wells. Comment
  UCR241798  Lepidium lasiocarpum A. C. Sanders, Ann Howald 2013-2-28 40561 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR74377  Lepidium lasiocarpum Theo Glenn 1991-5-1 91- 55 Riverside Sonoran (Colorado) Desert, McCoy Mts, NW of Blythe 240 Comment
  UCR603  Lepidium lasiocarpum subsp. lasiocarpum S. C. Warner 1956-4-28 s.n. Riverside Mojave Desert, Little San Bernardino Mtns., Joshua Tree National Monument, main road c. 2 mi north of White Tank Campground 1159 Comment
  RSA689410  Lepidium virginicum var. pubescens Scott D. White, Michael Honer 2003-4-9 8998 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  SFV17213  Lepidospartum squamatum 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
  POM319106  Leptochloa fusca subsp. uninervia Patricia Wilder 1970-10-15 4814 Riverside At base of Prado Dam near locks in Prado Flood Control Basin. East of Chino Hills, Santa Ana River. 122 Comment
  RSA723302  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), Just N. of Cedar & Mountain, NE end of Hemet Comment
  SEINET10588834  Leptochloa fusca subsp. uninervia Paul M. Peterson 1988-8-24 Peterson 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), just N of Cedar and Mountain, NE end of Hemet. Sandy wash. Comment
  UC737252  Leptodactylon californicum subsp. glandulosum Frank W. Gould 1943-4-18 2142 Riverside on Idlewild cutoff near and above Banning Comment
  POM13671  Leptosiphon floribundus P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  RSA339069  Leptosiphon lemmonii R. F. Thorne, C. W. Tilforth 1980-5-28 54241 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA0081016  Leptosiphon liniflorus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22216 Riverside San Bernardino Mtns.: Morongo Indian Reservation side canyon E of Middle Branch Millard Canyon. 1280 Comment
  RSA291547  Leptosiphon liniflorus C. W. Tilforth, W. Wisura 1979-8-8 1901 Riverside Along Hwy 74 at Lake Hemet in Garner Valley 1296 Comment
  UCR106346  Lessingia filaginifolia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR141240  Lessingia filaginifolia A. C. Sanders, Mike Misenhelter 2004-10-6 28829 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  RSA761687  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 703 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG35002  Lessingia glandulifera var. glandulifera T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, E of Hemet Comment
  UCR213683  Lewisia rediviva Justin M. Wood 2009-5-11 691 Riverside San Jacinto Mountains, Garner Valley, Quinn Flat area 1396 Comment
  RSA377162  Lilium parryi M. B. Dunkle 1933-7-20 3708 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR199668  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR151098  Linanthus ciliatus Scott D. White, Julie Greene 1998-8-1 6975 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  UCR49263  Linanthus dianthiflorus Steve Boyd 1986-4-2 1632 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA232996  Linanthus dianthiflorus subsp. dianthiflorus D. A. Young 1969-4-12 P- 389 Riverside 10 mi SE of Hemet, 200 yrs. E. of State St. in a wash. 335 Comment
  UCR35064  Linanthus dianthiflorus subsp. farinosus L. B. Ziegler 1968-3-30 271 Riverside San Jacinto Mtns., Foothills, adjacent to St. Johns Grade 610 Comment
  RSA646295  Linanthus lemmonii Orlando Mistretta, Mark Elvin 1995-6-19 1776 Riverside Highway 74. 1418 Comment
  UCR42395  Linanthus liniflorus B. A. Carlson 1986-3-9 s.n. Riverside San Bernardino Mtns., Alta Mesa, on top of the mesa just west of Whitewater Canyon in the wind turbine field 701 Comment
  RSA554130  Linanthus maculatus George K. Helmkamp 1992-4-11 92 -3 Riverside Whitewater River Wash, 0.4 miles N of pumping station and 150 yards E of road (ca. 1/2 way between Bonnie Bell and station) 550 Comment
  SD229204  Linum lewisii Dick Schwenkmeyer 2012-8-7 791 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR80801  Linum lewisii var. lewisii Scott D. White 1993-5-29 1472 Riverside San Bernardino Mtns, Big Oaks Canyon, along the road to Raywood Flat,Yucaipa Ridge 2134 Comment
  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
  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
  UCR60245  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR85382  Loeflingia squarrosa A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-5-19 16162 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtn Foothills, Coachella Valley, alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road 14 telephone poles above Hwy 111 (Palm Canyon Dr.) 300 Comment
  UC120278  Loeflingia squarrosa var. squarrosa D. Cleveland 1882-5-3 Riverside San Jacinto Plain Comment
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Nov 9 2009
  RSA339649  Loeseliastrum matthewsii R. F. Thorne, C. W. Tilforth 1980-5-28 54234 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  CDA40087  Loeseliastrum schottii T. C. Fuller 1964-4-14 11824 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  POM311149  Loeseliastrum schottii H. K. Sharsmith 1952-4-8 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument. 610 Comment
  POM8008  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-2 3569 Riverside Ford's well, west of Blythe. 305 Comment
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Dec 13 2016
  RSA468348  Loeseliastrum schottii M. B. Dunkle 1937-3-25 4940 Riverside Southeast of Indio. Comment
  UC909104  Loeseliastrum schottii Frank W. Peirson 1926-2-22 6506 Riverside n. of grove palms 1000-Palm Canyon 152 Comment
  UCR243127  Logfia gallica Kate Kramer 2012-5-8 258 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  CSUSB461  Lolium perenne subsp. multiflorum Richard Sayre 1972-5-20 Riverside Santa Ana River Santa Ana River; Jurupa Avenue, in city of Riverside. Comment
  RSA552754  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6740 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  JOTR31998  Lomatium mohavense La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2228 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  RSA0028169  Lomatium multifidum John F. Emmel 1988-4-26 1085 Riverside Bautista Canyon road, 0.95 road mile northwest of turnoff to Tripp Flats. 104 Comment
  UCR37444  Lomatium utriculatum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, Gavilan Springs Comment
  RSA524405  Lomatium vaginatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4095 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
  POM88181  Lonicera interrupta P. A. Munz, I. M. Johnston 1924-7-26 8710 Riverside South of Banning. 976 Comment
  RSA741271  Lonicera subspicata Scott D. White, Justin M. Wood 2008-7-10 12448 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  UCR94946  Lonicera subspicata Scott D. White 1996-8-16 4480 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
  CAS-BOT-BC234890  Lonicera subspicata var. denudata E. K. Balls; P. C. Everett; S. Tillett 1955-7-19 20973 Riverside San Jacinto Mts., Hwy. 74, Hemet to Idyllwild, 2.8 mi. nw. from Mountain Center 1188 Comment
  UCR16280  Lotus argophyllus D. C. Wald 1967-4-30 s.n. Riverside Bernasconi Hills near Lakeview 518 Comment
  POM229029  Lotus argophyllus var. argophyllus P. A. Munz 1937-5-29 15155 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  POM10071  Lotus hamatus Charlotte M. Wilder 1904-4-26 61 Riverside Wilder's Canyon Comment
  UCR1631  Lotus hamatus Leland R. Dykes 1962-5-8 97 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 14 mi west of Palomar Road [=Washington Ave.] in Murrieta [probably 2-3 miles west of Tenaja Guard Station] Comment
  RSA342542  Lotus heermannii R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54089 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR153635  Lotus heermannii Scott D. White 1999-5-24 7385 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR92330  Lotus heermannii Scott D. White, M. D. Wilcox 1995-7-11 3469 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  RSA406415  Lotus heermannii var. heermannii E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 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
  POM12874  Lotus nevadensis var. nevadensis P. A. Munz 1922-7-6 6017 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UC454681  Lotus nevadensis var. nevadensis I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1524 Comment
  UC80778  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. 2438 Comment
  RSA498741  Lotus procumbens T. W. Minthorn, Freda Detmers s.n. Riverside Road to Palm Spring and Banning Comment
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Oct 1 2011
  RSA90306  Lotus rigidus F. W. Peirson 1919-4-14 712 Riverside Murray Canyon, near Palm Springs. Comment
  UCR16270  Lotus salsuginosus var. salsuginosus Tony Beck 1968-5-4 680504- 5 Riverside 5 mi west of Beaumont on Hwy 60; 25 yds. south of road on a sandy cut in the hillside. 610 Comment
  JEPS37402  Lotus strigosus W. L. Jepson 1901-5-24 1426 a Riverside Van de Venter's Ranch 1493 Comment
  RSA263676  Lotus strigosus E. W. Lathrop 1968-6-2 6947 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA291598  Lotus strigosus C. W. Tilforth, Walter Wisura 1979-4-11 1776 Riverside Along Rancho California Rd. west of Temecula. Comment
  RSA498714  Lotus strigosus Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA627854  Lotus strigosus A. C. Sanders 1994-5-30 14592 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA709183  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
  UCR103279  Lotus strigosus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3587 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
  UCR136253  Lotus strigosus A. C. Sanders 2004-4-20 27547 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
  UCR90370  Lotus strigosus Scott D. White 1995-6-30 3430 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  POM49155  Lotus strigosus var. hirtellus P. A. Munz 1924-5-18 8134 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA125541  Lotus strigosus var. hirtellus R. Weatherby 1949-6-6 653 Riverside Mtn. spring, Santa Rosa Mtn. 1982 Comment
  UC1929817  Lotus strigosus var. strigosus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10471 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
  UCR138563  Lotus strigosus var. tomentellus Steve Boyd, Orlando Mistretta 1986-3-13 1471 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA517840  Lotus tomentellus Bob Boyd, Orlando Mistretta 1986-3-13 1471 Riverside NE of Desert Center. Comment
  UC130312  Lupinus H. M. Hall 1899-5-20 1376 Riverside Moreno Comment
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Mar 20 2011
  UCR1132  Lupinus albifrons Frank C. Vasek 1958-4-26 580426- 02 Riverside Peninsular Range, Hwy 71, 8.6 mi west of the junction with Hwy 79 [=vicinity of Dripping Springs/Vail Lake, Hwy 79, 8.6 mi west of the junction at Aguanga with Hwy 371] 518 Comment
  CDA27581  Lupinus arizonicus T. C. Fuller 1963-4-23 10280 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  POM308635  Lupinus arizonicus Henry J. Ramsey 1937-5-9 3214 Riverside Near Indio, Riverside Comment
  UCR216494  Lupinus arizonicus Jim Andre, T. La Doux 2009-3-10 11244 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCSB3338  Lupinus arizonicus Sage, Paul 1958-3-22 Riverside 3 mi. directly S of jct. of road that crosses Joshua Tree National Monument, on U.S. 60 457 Comment
  UC495199  Lupinus bicolor Philip A. Munz 1932-3-24 12017 Riverside Corona 365 Comment
  RSA496384  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3061 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
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May 31 2008
  RSA652736  Lupinus bicolor subsp. microphyllus Marion P. Harthill 1971-3-19 14 Riverside Palm Desert. Comment
  RSA407105  Lupinus breweri var. grandiflorus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
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Nov 22 2015
  RSA800114  Lupinus concinnus Duncan S. Bell 2013-4-7 4759 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UCR108489  Lupinus concinnus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16226 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
  UCR154741  Lupinus concinnus T. B. Salvato, Kent Beaman 2005-5-16 776 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
  POM158444  Lupinus concinnus subsp. optatus Philip A. Munz 1927-5-21 10857 Riverside San Carlos Pass, Ansa. 1372 Comment
  RSA430285  Lupinus formosus David B. Dunn, Conrad, Kenney 1973-6-15 20769 Riverside Jct of Hwy 74 and 71, A Gas Station on the SW corner. 1433 Comment
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May 24 2012
  UCR17534  Lupinus formosus var. hyacinthinus Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  POM280795  Lupinus hirsutissimus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA413693  Lupinus hirsutissimus N. C. Cooper 1944-4-22 1114 Riverside Banning. 701 Comment
  RSA524233  Lupinus hirsutissimus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4027 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SEINET10970268  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2742 Riverside San jacinto mts., 500 Ft below the peak. Comment
  SEINET10489271  Lupinus latifolius subsp. parishii Mcleod 1971-6-22 MCLEOD 469 Riverside Ponderosa habitat. Comment
  UC1333276  Lupinus microcarpus var. densiflorus Charles B. Fiker 1947-4-18 3717 Riverside Highway 71, southern end Temecula area Comment
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Nov 5 2015
  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
  UCR78444  Lupinus sparsiflorus Scott D. White 1993-4-22 1244 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCSB39323  Lupinus sparsiflorus Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 130 Comment
  RSA339705  Lupinus sparsiflorus subsp. sparsiflorus C. W. Tilforth 1980-5-28 54246 Riverside Whitewater river, 3.2 miles N of Whitewater Post Office and Hwy 10 Comment
  RSA414270  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1944-3-24 1029 Riverside Banning. 701 Comment
  POM98002  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  RSA487450  Lupinus succulentus Bill Wagner 1988-3-9 s.n Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  RSA522745  Lupinus truncatus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3852 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
  POM14117  Luzula comosa Phillip A. Munz 1922-7-6 6000 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UC1083106  Lycium Herbert L. Mason 1928-3-10 4215 Riverside Hidden Springs Canyon Coachella Mts. Comment
  RSA234113  Lycium andersonii Robert F. Thorne, R. Carolin 1967-3-21 41643 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  UC111152  Lycium andersonii F. M. Reed 1907-2-12 1203 Riverside Arroyo Tequesquite Comment
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Jul 30 2006
  UCR115923  Lycium andersonii Mitch Provance 1998-4-24 1116 Riverside Riverside, c. 1 mile SW of the corner of Trafalgar Ave. and Alessandro Blvd. 366 Comment
  UCR233156A  Lycium andersonii Jim Andre, Glenn L. Clifton 2011-2-22 17454 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SD185317  Lycium brevipes John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  SDSU21790  Lysimachia minima Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3988 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UCR35316  Lythrum californicum Robert McAllister 1969-8-20 393 Riverside San Jacinto Mtns Foothills, Avery (Mission) Canyon, opens to east from Diamond Valley 488 Comment
  RSA645537  Machaeranthera asteroides var. asteroides Scott D. White 1995-8-23 3589 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  UCR199720  Machaeranthera canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10668 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  CAS-BOT-BC514239  Maianthemum stellatum Edmund C. Jaeger 1921-7-1 s.n. Riverside Tahquitz Valley, San Jacinto Mt., C.F. Baker Herbarium of Pomona College 2194 Comment
  UCR250109  Malacothamnus densiflorus A. C. Sanders 2014-4-9 41006 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  POM11511  Malacothrix californica P. A. Munz 1922-4-7 5974 Riverside Hemet Valley 1372 Comment
  POM10233  Malacothrix glabrata Charlotte M. Wilder 1904-5-15 125 Riverside North side of Jurupa Hills, NW of Riverside Comment
  RSA33571  Malacothrix glabrata N. C. Cooper 1944-3-25 1021 Riverside Cabazon. 457 Comment
  RSA779622  Malacothrix glabrata Duncan S. Bell 2010-4-1 656 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UC831116  Malacothrix glabrata C. L. Hitchcock 1940-4-4 5929 Riverside 1.5 mi ne Cottonwood Spring (along 29 Palms Road, Joshua Tree National Monument) Comment
  UCR211818  Malacothrix glabrata Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1080 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  SD137859  Malacothrix saxatilis var. tenuifolia Darin L. Banks, Victor Steinmann 1995-7-10 743 Riverside Northwest Palomar Mountains; Agua Tiobia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. 559 Comment
  RSA0123753  Malacothrix stebbinsii Duncan S. Bell, LeRoy Gross 2016-3-10 8870 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  IRVC72  Malosma laurina D. DeVault 1965-4-24 s.n. Riverside Upper San Juan Creek Camp; Ortega Highway. Santa Ana Mountains Comment
  RSA180343  Malosma laurina E. W. Lathrop 1965-5-23 5763 Riverside Riverside, 8 miles W of Murrieta. 610 Comment
  RSA678946  Malus sylvestris Scott D. White, Michael Honer 2003-6-3 9490 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA654621  Malva parviflora Lydia Paneri 1982-4-17 37 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
  RSA557349  Malvella leprosa Julie Greene 1993-5-12 1298 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  POM316964  Mammillaria dioica Edward Anderson 1962-2-24 1836 Riverside On the Palms to Pines highway out of Palm Springs. Northeast of the road amoung the rocks near a pull-put by a drinking fountain. San Jacinto Mountains. Comment
  RSA662175  Marah macrocarpa Stephen Hill 1981-2-16 6 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. 100 yards from road. Comment
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Jul 14 2013
  RSA550334  Marina parryi Walter Wisura, John Dolan, M. Wall 1992-3-25 4654 Riverside Lowdesert: 9.6 miles S of Wileys Well toward Hwy 78 Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  UCR72229  Marina parryi Theo Glenn 1991-5-28 91- 111 Riverside Sonoran (Colorado) Desert, Mule Mountains 165 Comment
  UCSB3068  Marina parryi Haller, John 1958-3-22 Riverside Immediately S of Hwy. 60-70, 5.8 miles E of Desert Center Comment
  RSA509536  Marrubium vulgare Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  UCR155078  Matricaria matricarioides A. C. Sanders, Kelly Volansky 2005-3-17 29228 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
  SD152792  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 334 Comment
  RSA552741  Medicago polymorpha Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6673 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA652934  Melia azedarach A. C. Sanders 1997-5-1 20616 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
  SEINET239054 Image available Melica californica A. C. Sanders, G. Helmkamp 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 567 Comment
  JOTR16781  Melica frutescens Hogan, J. 1975-5-20 161 Riverside Joshua Tree National Park. THREE MILES WEST OF PINYON WELL, PUSHAWALLS CANYON 1170 Comment
  RSA192249  Melica frutescens E. W. Lathrop 1966-6-1 6352 Riverside Tenaja Range, Fisherman's Creek Camp. Comment
  UCD87786  Melica imperfecta A. A. Beetle 1946-6-10 4394 Riverside San Jacinto Mt., San Jacinto Mts. Near Idylewilde. 1219 Comment
  UCD87826  Melica imperfecta Beecher Crampton 1963-5-7 6783 Riverside Western. 2 miles W of Lakeland Village, Elsinore Mountains. Cleveland National Forest. 609 Comment
  UCR176909  Melica imperfecta Tracy Tennant 1998-6-18 2024 Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR201501  Melica imperfecta Scott D. White, Justin M. Wood 2008-6-19 12274 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR20447  Melica imperfecta E. W. Lathrop 1966-4-13 6171 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  UCR82277  Melilotus albus J. M. Stewart 1994-5-2 855 Riverside Western Colorado Desert, Coachella Valley, Thermal. Polk Street and Airport Blvd. Comment
  UCR94927  Mentha spicata Scott D. White 1996-8-15 4477 Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 bridge 900 Comment
  HSC85404  Mentzelia affinis Steve Boyd 1986-4-20 1722 Riverside Gavilan Hills: Santa Rosa Rd. just W of Piedras Rd. Comment
  UC672668  Mentzelia affinis H. L. Mason 1928-3-11 4241 Riverside near Indio (desert flats) Comment
  RSA0107459  Mentzelia albicaulis Duncan S. Bell, Amanda Turek 2009-3-29 148 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA0107845  Mentzelia albicaulis Duncan S. Bell, Thomas Stoughton 2010-3-19 581 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  UCR232521  Mentzelia albicaulis Dave Silverman, Onkar Singh 2010-3-27 7870 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 3.5 km SW of railroad, W of the A Canal and Levee Blvd, and c. 7 km north of Blythe Airport 135 Comment
  JOTR00885  Mentzelia albicaulis Sipe, Frank 1958-3-10 268 Riverside Joshua Tree National Park. PINTO BASIN Comment
  RSA779625  Mentzelia albicaulis var. albicaulis Duncan S. Bell 2010-4-1 659 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
  UCR232388  Mentzelia desertorum Dave Silverman, Onkar Singh 2010-3-27 7854 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 7.6 km N of Blythe Airport 136 Comment
  RSA0031612  Mentzelia involucrata Jim Andre 2013-3-27 24817 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA0065560  Mentzelia involucrata David B. Dunn, Lint 1955-4-1 11820 Riverside Pushawalla Canyon, Indio Hills. Comment
  CSUSB972  Mentzelia lindleyi Rodney Hendrick 1965-3-17 Riverside University of California, Riverside campus 304 Comment
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Mar 14 2014
  RSA0127361  Mentzelia longiloba var. longiloba Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  RSA192016  Mentzelia veatchiana E. W. Lathrop 1959-4-16 4446 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  RSA772122  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4833 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  RSA556449  Microseris douglasii subsp. douglasii Julie Greene 1993-4-30 1289 Riverside San Jacinto Wildlife Area. S of visitor center road and North of the old San Jacinto River drainage 433 Comment
  UCR140297  Microseris douglasii subsp. douglasii A. C. Sanders 2004-4-9 27472 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  UCR94262  Microseris douglasii subsp. douglasii Scott D. White 1996-4-14 3895 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UCR135810  Microseris douglasii subsp. platycarpha A. C. Sanders, Guy Bruyea 2004-4-2 27428 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR246588  Microseris douglasii subsp. platycarpha A. C. Sanders 2012-3-22 39989 Riverside Peninsular Range; ElsinoreValley, Baker St., N edge of city of Lake Elsinore 412 Comment
  UCR99158  Microseris douglasii subsp. platycarpha A. C. Sanders, G. Helmkamp 1997-3-15 19995 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  POM15165  Microseris lindleyi Mary F. Spencer 1922-4-23 531 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  UCR230188  Microseris lindleyi A. C. Sanders 2011-4-6 38988 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  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
  UCR240652  Microseris lindleyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 402 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR41356  Microseris lindleyi N. M. Fellows, A. C. Sanders 1985-4-9 130 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
  RSA0018764  Mimetanthe pilosa Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38098 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  RSA0018775  Mimetanthe pilosa Carl B. Wolf 1932-8-5 3930 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  RSA0018777  Mimetanthe pilosa Carl B. Wolf 1932-5-25 3675 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  LA209165  Mimulus aurantiacus K. Kinsel; 1930-4-17 Riverside near Perris Comment
  UCR90380  Mimulus aurantiacus D. L. Banks, Steve Boyd 1995-6-2 0560 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  RSA38702  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11506 Riverside D. longiflorus 50 ft. away; D. Clevelandii 10 ft.; hybrid colony in center, more woody than D. Clevelandii; Indian Canyon, along Indian Canyon Truck Trail. 960 Comment
  RSA715296  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32675 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  UCR279587  Mimulus bigelovii A. C. Sanders, Jim Malusa 2017-3-28 43149 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA776644  Mimulus bigelovii var. bigelovii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1101 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center. 413 Comment
  SFV15669  Mimulus bigelovii var. bigelovii D. M. Thompson 1988-3-4 824 Riverside Vicinity of Shaver's Well. 7.3 miles from I-10 interchange along Bax Canyon Road to Mecca. North side of road in broad washes. About 100 yards above the road. 280 Comment
  UCR244409  Mimulus bigelovii var. bigelovii Jim Andre 2012-4-16 20904 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR262572  Mimulus brevipes T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3748 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
  RSA588186  Mimulus cardinalis D. L. Banks, Victor W. Steinmann 1995-7-10 751 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  RSA50325  Mimulus diffusus E. K. Balls 1949-5-4 13488 Riverside 6 miles from boundry of National forest, on Baning-Idylwild road. 1372 Comment
  UCR154378  Mimulus floribundus A. C. Sanders, Mike Misenhelter 2005-6-15 30956 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR202242  Mimulus fremontii Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  JEPS19714  Mimulus fremontii var. fremontii Peter H. Raven with R. Snow 1957-7-26 11121 Riverside 1.8 mi above Lake Fulmor; San Jacinto Mountains Comment
  RSA0030779  Mimulus moschatus Mary F. Spencer 1919-7-3 1288 Riverside Near brook, Idyllwild. Comment
  UC729663  Mimulus pilosus Carl B. Wolf 1932-5-25 3675 Riverside 1 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 396 Comment
  CAS-BOT-BC388774  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  UCR133974  Mirabilis californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 967 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR47223  Mirabilis californica B. G. Pitzer, L. F. LaPre 1987-3-2 0435 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  JEPS26558  Mirabilis laevis var. crassifolia Peter Kamb 1948-4-11 902 Riverside Whitewater Wash near Whitewater 457 Comment
  RSA60730  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles S of Corona. Comment
  SDSU12952  Mirabilis laevis var. crassifolia Jutta Buschbom 41 Riverside Comment
  UC75793  Mirabilis laevis var. crassifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR135710  Mirabilis multiflora Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9021 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA464621  Mirabilis multiflora var. pubescens N. R. Zabriskie, W. M. Zabriskie 1972-3-30 500 Riverside west of Hwy 74, Santa Rosa Mountains 976 Comment
  RSA408758  Mohavea confertiflora Christopher Davidson 1979-4-4 7734 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA703805  Mohavea confertiflora LeRoy Gross 2005-3-3 1604 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA776136  Mohavea confertiflora Duncan S. Bell, Amanda Turek 2010-4-10 806 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UC126865  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside near Indio Mountain (in the Colorado Desert); Colorado Desert 150 Comment
  UC1606989  Mohavea confertiflora David Charlton 1988-2-18 1190 Riverside S side of Little San Bernardino Mts. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10, 5 mi E of Junction of Dillon Rd and Fargo Cyn Rd. 762 Comment
  CDA6774  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  CAS-BOT-BC220032  Monardella breweri subsp. lanceolata C. Epling 1932-6-26 s.n. Riverside Jarupa [Jurupa] Hills Comment
  RSA180471  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-5-27 5224 Riverside 6 miles west of Murrieta. Comment
  JOTR30271  Monardella linoides subsp. linoides Leary, Pat, Cari Leary 1987-5-9 3813 Riverside Joshua Tree National Park. 1.0 km south of Jumbo rocks campground, T2S R9E sec20 [UTMs estimated, January 2010] Comment
  JEPS63359  Monardella nana W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1336 Riverside Palm Canyon and return to Van Deventer's Comment
  LA82993  Monardella nana Harlan Lewis; 1938-7-10 sn Riverside San Jacinto Mountains, Idyllwild Comment
  LA96110  Monardella nana Elizabeth McClintock; 1941-7-15 117 Riverside San Jacinto Mountains, on the Idyllwild road, a short distance below the Keen Camp turn off in the canyon where the Pseudotsugas first occur Comment
  RSA750279  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 80 Riverside Road up Santa Rosa Mt. 5.5 miles beyond canyon where stream crosses road. Comment
  UCR114631  Monardella nana subsp. arida G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  RSA67396  Monardella nana subsp. tenuiflora Verne Grant, Alva Grant 1951-7-22 16105 Riverside Dark Canyon campsite, N of Idyllwild, San Jacinto Mts 1768 Comment
  UCR221476  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  UCR35334  Monardella nana subsp. tenuiflora Geraldine Regur 1978-7-14 593 Riverside San Jacinto Mtns, Flats in the Strawberry Valley above Idyllwild. 1707 Comment
  JOTR32860  Monoptilon bellidiforme La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 2 mi NE of Cottonwood Visitor Center Comment
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Oct 12 2013
  UC667243  Monoptilon bellioides Annie M. Alexander and Louise Kellogg 1941-5-11 2153 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains 883 Comment
  UCR16702  Monoptilon bellioides D. H. Wilken 1966-3-26 775 Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon near Cabazon 610 Comment
  UCR74395  Monoptilon bellioides Theo Glenn 1991-5-2 91- 12 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCR193361  Montia fontana A. C. Sanders, Tim Thomas 2008-6-20 35553 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CHSC60212  Muhlenbergia microsperma J. Lund 1980-4-3 Riverside One mile west of Corn Spring on the side of an unimproved road in a wash. Comment
  UC1132384  Muhlenbergia rigens H. S. Yates 1936-8-29 6381 Riverside near Pine Flat; San Jacinto Quadrangle Comment
  UC854358  Myosurus minimus subsp. apus P. A. Munz, I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  RSA0025077  Myriophyllum verticillatum Steve Boyd, T. S. Ross 1989-8-28 3800 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SBBG45292  Myriopteris parryi S. B. Parish -Mar-1882 Riverside Agua Caliente [Palm Springs] Comment
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Jul 12 2010
  RSA614810  Najas marina L. C. Wheeler 1953-3-30 7033 Riverside Alligator Slough on the Colorado River. Comment
  JEPS1368  Nama demissa var. demissa E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench (Colorado Desert, Southern California) Comment
  SD73600  Nama demissa var. demissa Helen V. Witham 830 Riverside Highway 74, 24.3 miles east of Lake Hemet. 1299 Comment
  UC702046  Nama demissa var. demissa Harlan Lewis 1946-4-21 105 Riverside Whitewater Canyon Comment
  RSA27707  Nama demissa var. deserti C. L. Hitchcock 1940-3-29 5866 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA719037  Nama hispida Michael Honer 2005-3-11 2063 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  CLARK-A1528-5061  Nama hispida var. spathulata John C. Roos 1949-4-9 4203 Riverside Desert Center 274 Comment
  POM13914  Nama hispida var. spathulata P. A. Munz 1922-4-9 4803 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  RSA4961  Nama hispida var. spathulata Carl B. Wolf 1932-4-27 3036 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA779931  Nassella cernua Marc Baker, Michelle Cloud-Hughes 2011-6-10 17360 Riverside Along Morris Ranch Road, 400 m north of Kenworthy Station, 4 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner VAlley, just east of Thomas Mountain 1418 Comment
  RSA525232  Nassella lepida Steve Boyd, Timothy S. Ross 1990-5-11 4609 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA599110  Nassella lepida V. W. Steinmann, D. L. Banks 1996-4-20 844 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
  SEINET273125  Nassella pulchra A. C. Sanders, N Ferguson 1997-3-20 20068 Riverside Riverside area; March Air Force Base W of Hwy 215 at W end of Cactus Ave. vicinity of former weapons storage fac UTM 518 Comment
  RSA769773  Navarretia atractyloides Duncan S. Bell, J. D. England 2010-5-17 1006 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  RSA623557  Navarretia fossalis R. E. Riefner 1998-10-15 98 -520 Riverside Menefee-Paloma Valley Comment
  UCR234454  Navarretia intertexta Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  POM11982  Nemacladus orientalis P. A. Munz 1922-4-9 4852 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA0013618  Nemacladus ramosissimus LeRoy Gross, Duncan S. Bell 2013-4-30 6025 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA586485A  Nemacladus ramosissimus D. L. Banks, S. D. Boyd 1995-5-9 0342 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
  RSA85407  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  NY547192  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mt., Colorado Desert 150 Comment
  RSA75155  Nemacladus tenuis H. K. Wagnon 1944-3-26 362 Riverside Cathedral Canyon, Cathedral City. Comment
  RSA676047  Nemacladus tenuis var. aliformis Scott D. White 2001-4-17 8351 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR282170  Nemacladus tenuis var. aliformis A. C. Sanders, Amy Litt, Plant Taxonomy Class 2017-4-8 43203 Riverside Sonoran (Colorado) Desert, near Cactus City Compressor Station, off frontage road south of I-10 and west of Chiriaco Summit 416 Comment
  POM68098  Nemacladus tenuis var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  CLARK-A1656-623  Nemophila menziesii Lois Ann Scott 1978-6-5 Riverside San Jacinto Mountains 1493 Comment
  POM3460  Nemophila menziesii Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCD120224  Nemophila menziesii R. N. Raynor 1933-4-2 s.n. Riverside Box Springs Hills. Comment
  RSA0059611  Nemophila menziesii 1917-4-4 Riverside Palm Canyon 762 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
  OBI2986  Nicotiana obtusifolia Lewis S. Rose 1967-12-19 67182 Riverside La Quinta 15 Comment
  SBBG6607  Nicotiana obtusifolia H. and M. Dearing 1936-12-26 1702 Riverside foot of grade Palms to Pines Hwy Comment
  UCSB41263  Nicotiana obtusifolia Cowan, Clark 1978-4-23 Riverside 2.7 mi (4.3 km) S on Hwy 74 from its jct w/ Hwy 111 at Indian Wells, Whittaker transect #W-218 210 Comment
  RSA161218  Nolina parryi Peter H. Raven 1959-5-18 14246 Riverside 0.9 mile south of Mountain Center on road to Aguanga, San Jacinto Mountains. Comment
  SEINET3412079 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UC527226  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside rocky ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts 1676 Comment
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Mar 24 2011
  SBBG266  Notholaena californica H. and M. Dearing 1940-1-3 4787 Riverside San Andreas Cyn Comment
  RSA86207  Notholaena californica subsp. leucophylla F. W. Peirson 1921-3-20 1503 Riverside Andreas Canyon, near Palm Springs. 243 Comment
  RSA0016944  Notholaena californica subsp. leucophylla Charlotte M. Wilder 1907-4-8 771 Riverside Murray Canyon, Colorado desert. Comment
  CAS-BOT-BC171494  Oenothera californica Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  SD73631  Oenothera californica Helen V. Witham 1970-5-1 854 Riverside Bautista Canyon, southeast of Hemet. 800 Comment
  POM355281  Oenothera californica subsp. californica N. C. Cooper 1944-5-6 116 Riverside Banning. 701 Comment
  UCR133714  Oenothera californica subsp. californica N. C. Cooper 1944-4-22 1143 Riverside San Gorgonio Pass, Banning 701 Comment
  RSA649936  Oenothera claviformis L. Fountain 1966-2-23 18 Riverside Colorado Desert [along Highway] 60, 1 mile south of Garnet. Comment
  UCR196347  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1428 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  JOTR35316  Oenothera primiveris subsp. bufonis Kain, Katie, C. Veety 2012-2-29 s.n. Riverside Joshua Tree National Park. Pinto Wash; eastern Eagle Mountains, large wash south of dunes and north of basalt outcrops 320 Comment
  CAS-BOT-BC427466  Oligomeris linifolia J. Cole 1942-5-19 962 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  RSA399179  Oligomeris linifolia N. C. Cooper 1949-4-8 3283 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA680920  Oligomeris linifolia Scott D. White, Michael Honer 2003-5-14 9273 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR214704  Oligomeris linifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37521 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  POM96634  Oligomeris linifolia F. M. Reed 1926-3-4 5165 Riverside Near Thermal Comment
  RSA0107429  Olneya tesota Duncan S. Bell 2009-8-15 419 Riverside Northwest of the Arica Mountains. 300 Comment
  RSA799932  Olneya tesota Justin M. Wood, D. M. Ray 2011-4-28 3842 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UCR163146  Oncosiphon piluliferum A. C. Sanders 2005-3-22 29245 Riverside Riverside, 3rd St. near Gage Canal and railroad 268 Comment
  UCR181957  Oncosiphon piluliferum Mitch Provance 2003-4-18 6607 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  RSA709919  Opuntia basilaris Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4635 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  POM294970  Opuntia echinocarpa David Griffiths 1908-08 s.n. Riverside Banning. Comment
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Mar 21 2011
  UCR1116  Opuntia littoralis Peter De Gano 1970-5-7 700507- 01 Riverside City of Riverside, on the other side of the orange grove across from 1117 Linden Street 305 Comment
  RSA752696  Opuntia prolifera John Green 2006-5-2 s.n. Riverside Unincorporated area along San Diego Aqueduct Corridor, 1 km due W of Skunk Hollow, between Nicholas Rd. and Borel Rd., E of Murrieta Hot Springs. 421 Comment
  POM279448  Opuntia vaseyi Edwin F. Wiegand 1949-1 30 Riverside Collected at Hemet. Comment
  UCR75963  Orcuttia californica D. E. Bramlet 1992-4-29 2253 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  SBBG7245  Orobanche cooperi H. and M. Dearing 1942-4-4 4864 Riverside S of Vidal Comment
  UCSB7506  Orobanche cooperi Hurd, Richard 1956-4-14 Riverside 1 mile south of Joshua Tree Comment
  RSA0084140  Orobanche cooperi subsp. cooperi Percy C. Everett, E. K. Balls 1958-4-29 23031 Riverside 21.9 mi sw of Rice along road from Desert Center to Vidal Jct. 549 Comment
  RSA0084356  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1922-3-4 1108 Riverside Painted Canyon, near Mecca. Comment
  RSA0104798  Orobanche fasciculata Norman C. Cooper 1944-6-17 1406 Riverside San Jacinto Mtns. West side. 1372 Comment
  SEINET188370  Orobanche ludoviciana var. latiloba C. L. Hitchcock 1940-4-4 5940 Riverside Pinto Basin. Comment
  RSA559931  Orthocarpus densiflorus var. gracilis Steve D. Boyd 1992-4-18 6900 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  RSA608372  Orthocarpus purpurascens Leota Brice 1930-4-13 s.n. Riverside Hemet Comment
  UCR201478  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UC1929717  Oxalis californica Scott D. White 2003-3-21 8825 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
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May 28 2018
  UC218234  Oxyria digyna P. A. Munz 1922-9-7 6406 Riverside shelter of rocks on n side summit of San Jacinto (summit of San Jacinto); San Jacinto Mts., summit of San Jacinto 3276 Comment
  UC64503  Oxytheca caryophylloides H. M. Hall 1901-6-24 Riverside in canyons of w side San Jacinto Mountains (Fuller's Mill) 1767 Comment
  UCR165195  Oxytheca caryophylloides Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., Highway 243, turnoff to Black Mtn. Road, c. 2 mi SE of Lake Fulmor 1643 Comment
  UC849856  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat San Jacinto Mts. 1402 Comment
  CAS-BOT-BC327894  Palafoxia arida E. A. Macgregor 1917-3-18 739 Riverside 1 mi up Painted Canon Comment
  CDA8434  Palafoxia arida D. Y. Rosenberg 1957-7-29 Riverside Near Mecca. 0 Comment
  SEINET2053886 Image available Palafoxia arida B. Pitzer 1998-1-24 3402 Riverside N foot of Chuckwalla Mts., Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline road and wash directly S of road. 499 Comment
  RSA23143  Palafoxia arida var. arida I. L. Wiggins 1938-3-19 8902 Riverside 25 miles W of Blythe. Comment
  RSA27576  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside 12 miles east of Indio. Comment
  RSA314487  Palafoxia arida var. arida R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55360 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA341999  Palafoxia arida var. arida R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54117 Riverside Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  SD124922  Palafoxia arida var. arida Scott Cantrell 1986-3-28 92 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 519 Comment
  UC61508  Palafoxia arida var. arida L. D. Copeland 1904-5-5 Riverside Palm Springs Comment
  UCR250319  Parietaria hespera A. C. Sanders 2014-4-8 40973 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  RSA523506  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3965 -B Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UC217969  Parietaria hespera var. hespera P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4783 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  CAS-BOT-BC293716  Parkinsonia florida Mona Bourell 1987-4-14 3271 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  JOTR34331  Parkinsonia florida Andre, Jim 2012-4-11 20837 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  LA45743  Parkinsonia florida Carl Epling; March 1927 sn Riverside Indio Comment
  RSA0039600  Parkinsonia florida Deidre Conocchioli, Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  UCR275513  Parkinsonia florida D. E. Bramlet 2010-3-1 4454 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA698049  Parosela mollis J. Russell Bruff 1929-12-28 448 Riverside 1 mi. S.E of Dos Palmas. Comment
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Apr 28 2011
  RSA339330  Pectis papposa R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53567 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
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Apr 25 2011
  UCR163057  Pectis papposa B. G. Pitzer, G. R. Ballmer 2000-10-14 4233 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  RSA0078487  Pectis papposa var. papposa Sarah J. De Groot, Duncan S. Bell 2015-9-21 7585 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  RSA644211  Pectis papposa var. papposa V. W. Steinmann 1999-10-26 1417 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UCD134919  Pectis papposa var. papposa F. D. Parker 1965-10-18 s.n. Riverside Interstate Highway 10, 18.5 miles west of Blythe. Comment
  UCR167853  Pectocarya linearis T. B. Salvato, Melissa Clemons 2005-6-2 1340 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR225507  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-3-29 38877 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR84650  Pectocarya linearis Scott D. White, S. Ogg 1994-4-21 1992 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA614669  Pectocarya linearis subsp. ferocula Scott D. White 1997-2-28 4726 Riverside SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  UCR137690  Pectocarya linearis var. ferocula D. L. Banks, V. W. Steinmann 1997-3-13 1470 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  POM3821  Pectocarya penicillata H. M. Hall 1902-04 2943 Riverside Vicinity of Riverside 366 Comment
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Jun 22 2011
  RSA525688  Pectocarya penicillata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4559 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  SDSU21548  Pectocarya penicillata Mary V. Hood 1945-3-25 Riverside Aguanga, Riverside Co. 597 Comment
  UCR804  Pectocarya penicillata J. E. Dimitman 1957-4-1 s.n. Riverside at the top of Pigeon Pass Comment
  UCR165267  Pectocarya peninsularis John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SBBG87817  Pectocarya platycarpa A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6123 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  UC1212092  Pectocarya recurvata Peter M. Ray 1949-3-6 1135 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  JOTR34198  Pectocarya setosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2991 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA401953A  Pedicularis densiflora E. Crow 1929-4-7 304 Riverside Corona Skyline Drive, Santa Ana Mts. Comment
  UC1088550  Pediomelum californicum Peter H. Raven 1958-5-18 12983 Riverside San Jacinto Mountains, Pinyon Flats Comment
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Jun 9 2012
  UCSB16960  Pediomelum californicum Brooks, Terry 1963-5-5 Riverside Pinon-Flats Campground on California State Highway 74 1219 Comment
  UCR90968  Pellaea andromedifolia Scott D. White 1996-2-18 3807 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  POM120722  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA686929  Pellaea mucronata Norman C. Cooper 1947-4-5 2034 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SEINET10568080  Pellaea mucronata David B. Dunn 1941-1-12 Dunn 675 Riverside Palms to Pines Hwy; opposite the Hermit Ranger Station. Comment
  JOTR30842  Pellaea mucronata var. californica Andre, Jim, Tasha La Doux 2008-9-16 10703 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  SEINET7063453  Pellaea mucronata var. californica A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 564 Comment
  UCR213369  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns., UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 1/4 mile from end of road 335 Comment
  RSA0086590  Penstemon antirrhinoides Bonnie C. Templeton 1930-4-15 1100 Riverside Perris - Gavilan Peak. 607 Comment
  RSA220997  Penstemon centranthifolius E. W. Lathrop 1966-4-27 6211 Riverside Mail Divide Truck Trail between El Carriso and San mateo Canyon, Cleveland Nat'l. Forest. 1220 Comment
  RSA297383  Penstemon centranthifolius Larry E. DeBuhr 1972-3-23 512 Riverside Santa Rosa Mts. San Bernardino National Forest. Along forest road 7S02 to Santa Rosa Mt.; loose granite soil. 1646 Comment
  RSA33785  Penstemon centranthifolius N. C. Cooper 1944-5-20 1312 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  UCR173145  Penstemon centranthifolius Abby Sirulnik 2000-5-7 29 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 Comment
  CDA41882  Penstemon clevelandii subsp. connatus T. C. Fuller 1963-4-23 10292 Riverside San Jacinto Mountains; Highway 74 to Palm Desert, just east of Pinyon Flat. 0 Comment
  POM122817  Penstemon labrosus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA412472B  Penstemon labrosus Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  UCR245239  Penstemon pseudospectabilis Jim Andre 2012-3-19 21330 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR2892  Penstemon spectabilis Paul W. White 1963-5-9 50963- 16 Riverside San Jacinto Mtns., 0.5 mi east of Cranston Ranger Station on State Hwy 74 [east] of Hemet 610 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
  RSA0094740  Pentagramma maxonii P. A. Munz 1921-12-31 4702 Riverside Andreas Canyon, Colorado Desert. Comment
  SBBG2633  Peritoma arborea H. and M. Dearing 1940-11-10 5012 Riverside near Whitewater Comment
  CAS-BOT-BC355990  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  JOTR36474  Perityle emoryi La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3442 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  SD258885  Perityle emoryi Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills; hills aroung Shaver's Well, along Box Canyon Road, south edge of Shver'v Valley, eastnortheast of Mecca. 294 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
  UCR148464  Perityle emoryi John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR18625  Perityle emoryi John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  RSA0030872  Perityle emoryi H. M. Hall 1902-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon. 152 Comment
  SEINET10800178  Perityle emoryi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-20 Holmgren 6416 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  SD146181  Persicaria punctata Andy C. Sanders, M. Provance, T. B. Salvato 2000-10-5 23718 Riverside Hidden Valley Wildlife Area, ca. I(c) mile west of the park office near Riverside between La Sierra and Norco 191 Comment
  RSA698082  Petalonyx thurberi J. R. Bruff 1934-6-19 536 Riverside 5 mi. S.E Palm Springs. Comment
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Aug 27 2011
  SEINET218494  Petalonyx thurberi A. J. Breitung 1953-6-12 15525 Riverside Palm Springs. Comment
  UC217891  Petunia parviflora P. A. Munz and I. M. Johnston 1922-5-5 5156 Riverside near Moreno (Mystic Lake); Mystic Lake Comment
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Mar 20 2011
  CAS-BOT-BC326737  Peucephyllum schottii David B. Dunn 1946-2-23 1975 Riverside Hidden Springs Canyon in the vicinity of the Palms Comment
  CDA8465  Peucephyllum schottii A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  POM39594  Peucephyllum schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  POM46835  Peucephyllum schottii Mary F. Spencer 1920-3-29 1450 Riverside Cottonwood Springs Comment
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Feb 1 2012
  SEINET2054222 Image available Peucephyllum schottii Jenifer Williams 1965-3-27 Riverside Colorado Desert, Corrizo Canyon, S of Palm Desert. 152 Comment
  UCR23993  Peucephyllum schottii John C. Roos 1966-2-5 s.n. Riverside Western Colorado Desert, Pushawalla Wash near 1000 Palms, Indio Hills Comment
  RSA496366  Phacelia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3040 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  RSA0119994  Phacelia affinis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9085 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  POM48138  Phacelia ambigua E. E. Schellenger 1920-05 s.n. Riverside Canyon east of Coachella, Colorado Desert. Comment
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Jun 15 2012
  POM8961  Phacelia ambigua P. A. Munz, R. D. Harwood 1920-4-4 3529 Riverside Pass south of Palm Springs. 152 Comment
  RSA427702A  Phacelia ambigua Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA427705A  Phacelia ambigua Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA791582  Phacelia ambigua var. minutiflora D. Silverman, Onkar Singh 2010-3-27 8056 Riverside North edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport. 137 Comment
  UCR156466  Phacelia brachyloba T. B. Salvato, A. C. Sanders 2005-5-17 894 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
  UCR42377  Phacelia brachyloba N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 181 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  SEINET10497000  Phacelia campanularia James S. Miller 1992-5-8 Miller 7465 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  UC187882  Phacelia campanularia subsp. campanularia S. B. and W. F. Parish April 1882 216 Riverside Whitewater borders of the Colorado Desert Comment
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Feb 9 2008
  UC881004  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6845 Riverside Cottonwood Springs Comment
  SD244170  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-4-2 40757 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, south of I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 405 Comment
  UCR18538  Phacelia ciliata O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  CLARK-A1528-2999  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA0107847  Phacelia crenulata Duncan S. Bell, Amanda Turek 2009-3-30 169 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  CAS-BOT-BC133958  Phacelia crenulata var. ambigua John H. Thomas 1957-3-30 6531 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  JEPS2302  Phacelia crenulata var. ambigua Dr. L. M. Newlon 1922-4-3 426 Riverside 6 mi w Indian Wells; Colorado Desert Comment
  RSA0035906  Phacelia crenulata var. ambigua J. M. Andre 2013-3-27 24829 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  UCR25799  Phacelia crenulata var. ambigua John C. Roos, Lucille Roos 1949-4-6 4140 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  RSA0119989  Phacelia cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-13 9263 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UC922689  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1940-3-21 889 Riverside 20 mi s 29 Palms; Barker Dam 1322 Comment
  POM3763  Phacelia distans H. M. Hall 1902-4-22 2953 Riverside Vicinity of Riverside 366 Comment
  RSA33656  Phacelia distans N. C. Cooper 1944-3-24 1018 Riverside Banning. 701 Comment
  RSA772125  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4835 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  SD95164  Phacelia distans Sally Bonnett 1973-4-21 35 Riverside Pinon Flats campground between San Jacinto and Santa Rosa mountains on Highway 74 Comment
  SEINET269545 Image available Phacelia distans John Wear 1995-3-22 Riverside Colorado Desert: Wash along Eagle Mountian Road N of I-10 near Desert Center Comment
  UC809720  Phacelia distans Philip A. Munz 1949-4-13 13047 Riverside above Cottonwood Springs; Colorado Desert, west end Eagle Mts. 1097 Comment
  UCR133956  Phacelia distans Mitch Provance, J. S. Ross 1998-3-27 MOR- 970 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UC511923  Phacelia ivesiana var. pediculoides Frank W. Peirson 1922-4-12 2856 Riverside 15 mi se Coachella (along the boulevard) Comment
  RSA774715  Phacelia minor Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4522 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR27195  Phacelia minor Marlyce Myers 1980-4-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi NW of Perris 518 Comment
  JOTR35031  Phacelia neglecta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3484 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
  JEPS1063  Phacelia pedicellata Marjorie D. Clary 1932-4-12 1612 Riverside 8 mi w Coachella; Colorado Desert, Devil's Canyon 182 Comment
  POM7721  Phacelia tanacetifolia P. A. Munz, R. D. Harwood 1920-3-20 3372 Riverside 5 miles S of Corona 305 Comment
  UC76970  Phalaris canariensis F. M. Reed 1904-5-24 589 Riverside Riverside Comment
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Oct 14 2013
  CLARK-A1528-4796  Phalaris lemmonii John C. Roos 1937-5-10 456 Riverside Elsinore Comment
  RSA649668  Phalaris lemmonii J. C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) Comment
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Mar 20 2011
  UCR182090  Phalaris lemmonii Kristin Szabo 2002-1 126 Riverside Whittier Channel, SW edge of Hemet along Whittier Ave. east of Warren Rd., SW of trailer park and NW of airport 457 Comment
  CAS-BOT-BC128867  Philadelphus microphyllus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon, up from end of trail, w. slope San Jacinto Mts. 2606 Comment
  RSA0057660  Philadelphus microphyllus var. stramineus E. C. Jaeger 1922-8-20 1015 Riverside Long Valley to Palm Springs Trail. 2439 Comment
  SD128015  Phleum alpinum Michael Curto 1989-8-6 599 Riverside San Jacinto Mts, Fuller Ridge Trail, at springy N headwaters of Fuller Mill Cr. 2695 Comment
  UC52482  Phlox austromontana H. M. Hall 1897-5-19 553 Riverside Thomas Valley San Jacinto Mts. 1371 Comment
  RSA435581  Pholisma arenarium N. C. Cooper 1946-08 2640 Riverside Joshua Tree National Monument. 1280 Comment
  UC665770  Pholistoma membranaceum Ira L. Wiggins 1941-3-27 9698 Riverside slopes 4 mi. n. Whitewater Comment
  HSC86934  Phoradendron californicum Dennis E. Kucera 1987-11-14 Riverside Malki Museum garden, E of Banning off Fields Rd., Morongo Indian Reservation 610 Comment
  JOTR29444  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1342 Riverside Joshua Tree National Park. Hayfield spring Comment
  LA209827  Phoradendron californicum Mary V. Hood; 1944-4-7 44- 26 -k* Riverside Pines to Palms Highway 609 Comment
  RSA132747  Phoradendron californicum Del Wiens 1953-12-5 869 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  UC1971181  Phoradendron californicum Louis C. Wheeler 1964-10-17 8640 Riverside North side of Orocopic Mountains: South of Hayfield Reservoir. Comment
  UC306123  Phoradendron californicum I. Johnston Apr 4 1917-Apr 6 1917 Riverside Colorado Desert, Palm Canyon 457 Comment
  RSA336422  Phoradendron densum Robert F. Thorne, A. Shmida 1978-4-23 52079 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UC51623  Phragmites australis J. B. Davy 1902-4-2 8045 Riverside Salton Comment
  RSA615382  Phyla nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  JEPS8993  Physalis crassifolia S. B. Parish 1912-10-23 8325 Riverside near Mecca; Chuckwalla Mts. Comment
  PASA2143  Physalis crassifolia F. Brubaker, M. Stason 1928-3-3 Riverside Hidden Springs Comment
  RSA101223  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  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
  UCR31807  Physalis crassifolia Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  UCR5866  Physalis crassifolia O. F. Clarke 1966-10-15 661015- 11 Riverside San Jacinto/Santa Rosa Mtns., end of Big Horn Rd. 915 Comment
  JOTR00960  Physalis crassifolia Moran, Reid 1941-5-5 857 Riverside Joshua Tree National Park. COTTONWOOD PASS Comment
  RSA718292  Physalis crassifolia Michael Honer, L. Hulse 2004-4-2 1873 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  UCSB44044  Physalis philadelphica Sanders, A. 1982-6-12 Riverside 422 Campus View Drive Comment
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May 21 2016
  OBI47598  Phytolacca americana Don Domenigoni 1986-4-21 s.n. Riverside Young Property, Hemet Comment
  UCR77756  Pilularia americana Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6348 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  SEINET10932748  Pinus contorta David B. Dunn 1946-8-17 Dunn 2710 Riverside N side of Taquity peak. Trail to Taquity from Taquity valley campground, on dry hillside among bracken fern. San Jacinto Mts. 2675 Comment
  UC184  Pinus coulteri W. H. Brewer 1861-1-22 136 Riverside 75 mi se of Los Angeles (dry slopes of Santa Ana Range near Temescal); Temescal, Santa Ana Range Comment
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Jul 6 2010
  UCR131461  Pinus coulteri June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
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Mar 29 2014
  UCR241203  Pinus coulteri Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1013 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  SEINET8059928 Image available Pinus coulteri G. Yatskievych, K. McCrary 1984-7-29 84 -122 Riverside State Route 243, 0.5 mile S of Baby Tree Spring; T4S R2E S17 1585 Comment
  LA6081  Pinus flexilis Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Tauquitz [Tahquitz] Peak 2590 Comment
  NY61441  Pinus flexilis J. A. Ewan 1930-9-1 2171 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
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Jul 5 2010
  RSA650356  Pinus monophylla Nancy Gould 1977-1-22 40 Riverside On Hwy 74 across from sheep overlook. Comment
  CLARK-A1528-3630  Pinus quadrifolia John C. Roos 1938-8-7 585 Riverside San Jacinto Mountains Comment
  CLARK-A1528-2258  Plagiobothrys californicus John C. Roos 1941-4-19 Riverside Reche Canyon Comment
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR172214  Plagiobothrys canescens John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR225727  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-30 38900 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR172241  Plagiobothrys collinus John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR233575  Plagiobothrys collinus A. C. Sanders, John F. Green 2012-4-12 40035 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
  RSA659691  Plagiobothrys collinus var. californicus J. C. Roos 1952-2-29 5368 Riverside Reche Canyon. 457 Comment
  UC662528  Plagiobothrys collinus var. fulvescens Philip A. Munz 1937-5-30 15089 Riverside n of Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  UCR281209  Plagiobothrys collinus var. fulvescens Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 33 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
  RSA695816  Plagiobothrys collinus var. ursinus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  RSA0106709  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  RSA689450  Plagiobothrys leptocladus Scott D. White, Michael Honer 2003-4-9 8970 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  SBBG104067  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 3/4 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd just S of Tres Cerritos 460 Comment
  UCR266817  Plagiobothrys leptocladus Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 08 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  SEINET10456329  Plagiobothrys leptocladus John C. Roos 1952-4-23 Roos 5572 Riverside 1 mile southeast of Perris. 427 Comment
  RSA543611  Plagiobothrys tenellus Steve Boyd 1991-5-7 6176 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SEINET7063030  Plagiobothrys tenellus A. G. Vestal 1962-3-27 s.n. Riverside About 3.5 miles northeast of Lake Elsinore on Route 74. UTM Zone 11, 470760mE, 3730110mN. (WGS84/NAD83). 472 Comment
  SD68967  Plantago elongata Robert Thorne, P. A. Munz, E. Lathrop 1968-5-8 37575 Riverside Santa Rosa Plateau: desiccated margin of vernal marsh on Mesa de Colorado, Rancho California; 671 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
  RSA615133  Plantago erecta A. C. Sanders, G. K. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area, lower Rawson Canyon, along the dirt road toward Bachelor Mtn 457 Comment
  SEINET1910853  Plantago erecta A. C. Sanders 1997-1 19846 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR180695  Plantago erecta Mitch Provance 2003-4-26 9882 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR241008  Plantago erecta Tracy Tennant 1998-4-7 238 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  UC665820  Plantago ovata Ira L. Wiggins 1941-3-24 9588 Riverside 1 mi n Imperial County line (on e side of Salton Sea); Salton Sea Comment
  UCR148852  Plantago ovata Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  LA206329  Platanus racemosa B. D. Stark; November 1933 5555 Riverside San Jacinto Mountains, Andreas Canyon, desert side of mountains Comment
  POM48484  Platanus racemosa P. A. Munz, I. M. Johnston 1924-7-29 8889 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA604604  Platanus racemosa Louis C. Wheeler 1961-10-8 7930 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  RSA445707  Platystemon californicus Ora M. Clark 1929-2-2 1611 Riverside Waste fields, near Elsinore Comment
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Nov 9 2011
  UC167984  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCSB46705  Platystemon californicus Reed, Susan 1977-03 Riverside left side of Cajalco Rd; 1.5 miles west of Lake Matthews 365 Comment
  UC489042  Plectritis ciliosa subsp. insignis C. V. Meyer Jun 1927 156 Riverside San Jacinto Mountains, Saunders Meadow Saunder's Meadow; San Jacinto Mountains, Saunders Meadow 1676 Comment
  POM1026  Pleuraphis rigida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  RSA795232  Pleuraphis rigida Justin M. Wood, Dustin M. Ray 2010-10-1 2771 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  CAS-BOT-BC326576  Pleurocoronis pluriseta H. M. Hall 1905-5-1 5992 Riverside Hills near Indio, Colorado Desert Comment
  LA203882  Pleurocoronis pluriseta Martha Hilend; 1929-12-27 36 Riverside Shafer's Wells Comment
  POM10453  Pleurocoronis pluriseta Charlotte M. Wilder 1907-04 s.n. Riverside Murray Canyon. Comment
  RSA795920  Pleurocoronis pluriseta Duncan S. Bell 2009-4-19 290 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR103706  Pleurocoronis pluriseta B. G. Pitzer 1998-1-24 3410 .1 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
  SEINET10945073  Pleurocoronis pluriseta A. K. Evans 1976-4-13 Evans 5213 Riverside Desert canyons of Santa Rosa Mountains. Comment
  LA203872  Pluchea sericea None; 1951-4-21 sn Riverside Thousand Palms hwy oasis Comment
  RSA696921  Pluchea sericea J. R. Bruff 1927-10-8 1 -E Riverside Thousand Palms Comment
  POM162493  Poa fendleriana Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain Comment
  UCR182092  Poa infirma Tom Chester 2005-5-3 606 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Beginning of Vista Grande Trail near intersection with Granite Loop Trail, ~0.2 miles (0.3 km) from Visitor Center 535.4 Comment
  RSA740947  Poa pratensis Scott D. White, Justin M. Wood 2008-6-17 12186 -A Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA741223  Poa pratensis Scott D. White, Justin M. Wood 2008-5-15 12011 Riverside Johnson Meadow. 1415 Comment
  UCR103904  Poa secunda B. G. Pitzer 1997-4-11 3104 Riverside Lakeview Mountains, Pulsar View Road, c. 0.5 mi. (air) SSE of Mt. Rudolph. 640 Comment
  UCD92360  Poa secunda subsp. juncifolia Frank W. Gould 1944-4-5 2235 Riverside 17 miles E of Temecula on Hwy 79. Comment
  UC149806  Poa secunda subsp. secunda H. M. Hall 1902-4-26 2973 Riverside vicinity of Riverside (Box Springs Mt) 685 Comment
  UC39729  Poa secunda subsp. secunda H. M. Hall 1899-5-21 1130 Riverside Chalk Hill; San Jacinto Mts 1676 Comment
  UCR138891  Poa secunda subsp. secunda D. L. Banks 1997-4-5 1673 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
  SBBG93057  Polygala cornuta var. fishiae S. D. White 1990-6-16 Riverside E wall of Hagador Cyn, near mouth of cyn Comment
  UC849962  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  POM49095  Polygonum bistortoides P. A. Munz, I. M. Johnston 1924-7-27 8769 Riverside Deer Springs, San Jacinto Mountains 2500 Comment
  SEINET10602413  Polypogon interruptus Hall 1900-5-29 Hall 1384 Riverside Comment
  JOTR35917  Polypogon monspeliensis De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6865 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA129376  Polypogon monspeliensis H. S. Yates 1937-6-27 6706 Riverside Near Relief Hot Spring. 457 Comment
  SD137943  Polypogon monspeliensis Darin L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground, N of where the Arroyo Seco turns to the E Comment
  UCR260191  Polystichum imbricans Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4997 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  UCR22140  Populus fremontii Steve Boyd 1980-5-17 290 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  POM121859  Porophyllum gracile Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  UCD135035  Porophyllum gracile William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR54039  Portulaca oleracea A. C. Sanders 1988-11-6 8738 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  CAS-BOT-BC452156  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake, San Jacinto Mts 2438 Comment
  POM366544  Potentilla glandulosa var. nevadensis M. B. Dunkle 1933-7-22 3747 Riverside Tahquitz Valley. 2317 Comment
  POM19611  Potentilla gracilis var. fastigiata Mary F. Spencer 1923-7-1 2271 Riverside Idyllwild. Comment
  RSA0013892  Proboscidea althaeifolia J. C. Roos 1965-9-5 s.n. Riverside 17 mi. W of Blythe Comment
  LA34850  Prosopis glandulosa var. torreyana Mary V. Hood; 1940-11-24 40- 192 k* Riverside N Aguanga 548 Comment
  RSA643304  Prosopis glandulosa var. torreyana R. D. Goeden, D. W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert: Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saing ''Edmund C. Jaeger Nature Sanctuary'' in bottom of canyon at old road crossing. 366 Comment
  SBBG68559  Prosopis glandulosa var. torreyana M. N. Ackley 1928-3-25 613 Riverside Indio -6 Comment
  UCSB7194  Prosopis glandulosa var. torreyana Krogen, Roger 1957-1 Riverside Canyon bottom 5 mi. E of Mecca on Hwy. 195 in Box Canyon Wash Comment
  LA47424  Prosopis pubescens Carl Epling; 1932-11-9 sn Riverside Murray Canyon, Palm Springs Comment
  CAS-BOT-BC158295  Prunus fasciculata var. fasciculata Peter H. Raven 1958-5-5 12892 Riverside Split Rock, Joshua Tree National Monument Comment
  SD73396  Prunus fremontii Nancy Ryan Zabriskie, Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road 487 Comment
  UCSB21069  Prunus fremontii Anthony, Jean 1965-5-9 Riverside 4.6 miles north of Pinyon Flats Campground on Highway 74, Santa Rosa Mtns. 944 Comment
  UCR138651  Prunus ilicifolia subsp. ilicifolia D. L. Banks 1997-4-5 1656 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
  UC1176850  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  UC1595718  Psathyrotes ramosissima W. Wisura, J. Dolan, and M. Wall 1992-3-24 4622 Riverside 6.0 mi ne Mecca (on Box Canyon Rd.) Comment
  UCR34952  Psathyrotes ramosissima L. B. Ziegler 1976-9-20 554 Riverside Sonoran (Colorado) Desert, N end around Desert Hot Springs. 381 Comment
  UCR90753  Pseudognaphalium biolettii Scott D. White 1995-4-5 2737 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA736853  Pseudognaphalium leucocephalum Scott D. White, Angelia Carey 2004-7-2 10594 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR232801  Psilocarphus brevissimus John F. Green 2008-4-16 0408- 45 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  CAS-BOT-BC346363  Psorothamnus Marcus E. A M Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  UC596749  Psorothamnus arborescens var. simplicifolius Rensselaer J. Smith May 1904 308 Riverside White Water Desert Comment
  OBI13263  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside 2 mi SE Salton Bench Mark, Colorado Desert 67 Comment
  RSA784719  Psorothamnus emoryi Duncan S. Bell 2012-3-18 3206 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
  CAS-BOT-BC352325  Psorothamnus fremontii var. fremontii Robert F. Thorne 1964-5-3 33849 Riverside near hwy. ca. 4 miles S of Morongo Valley and ca. 3 miles S of San Bernardino County line Comment
  CAS-BOT-BC340869  Psorothamnus schottii Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert Comment
  UC50193  Psorothamnus schottii L. D. Copeland Apr. 1904 4 Riverside West Canyon , West Canyon (Palm Springs) Comment
  UCR35006  Psorothamnus schottii L. B. Ziegler 1977-4-12 564 Riverside Sonoran (Colorado) Desert, near Desert Hot Springs, on sandy alluvial slopes (bajadas) from Little San Bernardino Mountains. 381 Comment
  RSA498754  Psorothamnus spinosus Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  RSA263723  Pteridium aquilinum var. pubescens R. Weatherby 1950-5-18 2968 Riverside Hagador 640 Comment
  UC812707  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  SEINET8713957 Image available Pteris aquilina Jean Coulson 1959-1 s.n. Riverside San Jacinto Mts. Riverside CountyCalifornia 4 mi. N of Pine Grove on Fork of San Jacinto, Ele. 5000 ft. , On Banning road. 100 yds up stream. Comment
  SD181375  Pterostegia drymarioides Rashmi Pant, Darin Banks 1996-5-1 1016 Riverside Cleveland National Forest: along the Cutca Trail, E of the Cutca Valley, ca. 0.5 miles W of the Aguanga Trail junction Comment
  UCR41248  Pterostegia drymarioides N. M. Fellows, A. C. Sanders 1985-4-9 125 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
  UC1092709  Purshia tridentata var. glandulosa Eamor C. Nord 1957-5-14 16 Riverside 1 mi e Nightingale 1310 Comment
  UCSB18179  Purshia tridentata var. glandulosa Black, Richard 1964-5-10 Riverside State Highway 74, 8 miles S of Pinyon Flats Campground 929 Comment
  VVC2902  Purshia tridentata var. glandulosa Tim Thomas, P. J. MacKay 2010-4-12 5033 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0082840  Pyrola minor P. A. Munz 1922-9-6 6395 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  UCR273965  Quercus Mitch Provance 2012-4-27 412- 33 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR273999  Quercus Mitch Provance 2012-9-11 17621 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCR278567  Quercus Mitch Provance 2012-9-5 912- 10 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UC5849  Quercus X acutidens Samuel B. Parish 1891-11-5 2261 Riverside near Temecula (McGee's Stone) Comment
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Mar 27 2011
  UCR158953  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31557 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  OBI4996  Quercus berberidifolia Dieter Wilkins, Gary Wallace 1966-2-22 624 Riverside Dripping Springs near Radec along Hwy 71 488 Comment
  UC1605403  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside between Tenaja Trail and Fisherman's Camp (San Mateo Canyon, along San Mateo Trail , Southern Santa Ana Mountains); Cleveland Natl. For., Santa Ana Mts., San Mateo Canyon Wilde 426 Comment
  UC455263  Quercus chrysolepis I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 1828 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
  UCR121133  Quercus chrysolepis June Latting 1972-10-27 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  UCR15232  Quercus chrysolepis E. W. Lathrop 1966-3-23 6112 Riverside Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UCR162623  Quercus chrysolepis S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR159195  Quercus engelmannii A. C. Sanders, Kelly Volansky 2005-8-31 31594 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  SACT002142  Quercus kelloggii Carl Epling 1931-10-4 Riverside 1584.96 Comment
  RSA654175  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22287 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. E of Hwy 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  UC936255  Quercus palmeri James E. Cole 1947-2-6 1001 Riverside Lower Covington Flat, San Bernardino Base and Meridian Joshua Tree National Monument 1463 Comment
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Jul 27 2009
  UCD61304  Quercus palmeri A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22292 Riverside San Jacinto Mtns: W side of Burnt Valley along Burnt V. Rd. 1354 Comment
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Sep 9 2014
  CAS-BOT-BC134751  Quercus wislizeni H. E. McMinn 1925-7-2 1502 Riverside Tahquitz Trail - to Tahquitz Peak, San Jacinto Mountains Comment
  LA205367  Quercus wislizeni W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  RSA162838  Quercus wislizeni var. frutescens J. D. Olmsted 1959-4-17 403 Riverside Sugarloaf Peak along Main Divide Motorway 100yd. east of Radar station turnoff. Santa ana Mtns. 1128 Comment
  RSA221005  Quercus wislizeni var. frutescens E. W. Lathrop 1966-5-29 6385 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SD152922  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail downstram to the confluence with San Mateo Creek. 334 Comment
  POM305599  Rafinesquia neomexicana Henry J. Ramsey, Ramsey 1937-3-2 883 Riverside Desert Center Comment
  UC829464  Rafinesquia neomexicana P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4884 Riverside vicinity Corn Springs (Colorado Desert, Chuckwalla Mountains); Colorado Desert, Chuckwalla Mountains, Southern California 609 Comment
  UCR12601  Ranunculus aquatilis Bill Schultz 1972-5-22 720522- 31 Riverside San Jacinto Mtns., 0.3 miles east of Mobile station on Hwy 74 at Hemet Lake, south of Hwy 1326 Comment
  RSA400245  Ranunculus cymbalaria var. saximontanus Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow. Comment
  UCR35155  Ranunculus cymbalaria var. saximontanus L. B. Ziegler 1967-8-29 216 Riverside San Jacinto Mtns, Meadow in Hemet Valley 1418 Comment
  POM128388  Ranunculus hebecarpus Thos. Craig 1927-4-23 222 Riverside Glen Ivy. Comment
  UC1608236  Ranunculus hebecarpus Steve Boyd 1992-4-15 6849 Riverside Bluewater Tr. downstream to confluence with San Mateo Creek; Santa Ana Mtns, San Mateo Cyn Wilderness Area, Bluewater Cyn 335 Comment
  CAS-BOT-BC158118  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mtns. E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  RSA715303  Ranunculus muricatus Jennifer Jones 2006-5-1 s.n. Riverside Foot of Box Springs Mtns. E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  RSA0049509  Raphanus sativus Margaret Murphy 1983-5-1 0017 -B Riverside Dry riverwash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorproated area known as Sunnymead. Comment
  UCR154462  Rhamnus californica Jason L. Hlebakos 2005-5-30 804 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
  RSA785511  Rhamnus crocea Doris Bowers 1972-4-15 1852 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  UCR154841  Rhamnus ilicifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29282 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR194211  Rhamnus ilicifolia Scott D. White, Angelia Carey 2004-6-4 10463 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  POM9391  Rhamnus ilicifolia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview. Comment
  RSA20098  Rhamnus tomentella subsp. cuspidata I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. 1650 Comment
  PASA1596  Rhododendron occidentale Sally Ellis 1939-6-24 Riverside Halona Comment
  UCR89664  Rhus aromatica Bern Schwenn 1994-4-5 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mountains, Joshua Tree National Monument [now J.T. National Park], lower Johnny Lang Canyon, northeast of Quail Mountain 1468 Comment
  JEPS66244  Rhus integrifolia M. F. Barnes March, 1920 Riverside Box Springs Mt., near Riverside; Box Springs Mt. Comment
  GMDRC6542  Rhus ovata 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 1172 Comment
  POM8688  Rhus ovata P. A. Munz, Harwood 1920-2-28 3263 Riverside 2 mi. southwest of Corona. 305 Comment
  UC534836  Rhus ovata Victor Duran 1933-7-3 3498 Riverside 2 mi e Pinyon Flat; Santa Rosa Mountains 1066 Comment
  UCR91415  Rhus ovata Scott D. White 1995-4-5 2703 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  NY43195  Rhus trilobata J. B. Walker 1995-5-4 1412 Riverside San Bernardino National Forest, 1km S of Pinyon Flat Campground 1300 Comment
  SD136939  Rhus trilobata var. anisophylla Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7325 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon, from confluence with Los Alamos Cyn to confluence with Tenaja Cyn 365 Comment
  POM10075  Rhus trilobata var. pilosissima Charlotte M. Wilder 1904-6-11 46 Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  POM10268  Rhus trilobata var. quinata Charlotte M. Wilder 1904-3-22 46 Riverside Wilder s Canon. Jurupa Hills. Near Riverside. Comment
  CAS-BOT-BC173131  Ribes indecorum A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  RSA439667  Ribes indecorum J. S. Stubblefield 1939-3-23 s.n. Riverside Temecula. Comment
  RSA523497  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3957 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  SD152830  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside San Mateo Canyon Wilderness Area; south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 975 Comment
  UCR51365  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  RSA162686  Ribes nevadense J. D. Olmsted 1959-6-23 678 Riverside Along Strawberry Creek in Fern Valley NW of Idyllwild, San Jacinto Mts. 1646 Comment
  RSA651710  Ribes nevadense Diane M. Ramirez 1983-5-1 3 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
  UC11631  Ribes nevadense H. M. Hall 1901-6-1 2260 Riverside Fuller's Mills Mountains San Jacinto Mountains 1645 Comment
  SEINET13942920 Image available Ribes quercetorum Scott D. White 1995-1 2752 Riverside SW of Juniper Flat Road, USGS Lakeview 7.5' quad., Lakeview mountains About 1900 ft elev. 33 deg. 48' N, 117 deg. 6' W. T4S, R2W, S28 NE 1/4 579 Comment
  UC205829  Romneya coulteri I. M. Johnston 1918-5-30 2012 Riverside Temescal Canyon 365 Comment
  CSUSB1435  Rorippa nasturtium-aquaticum R. L. Irwin 1962-4-21 0033 Riverside By Dam at north west end of Lake Evans 243 Comment
  SD229266  Rubus parviflorus Dick Schwenkmeyer 2012-6-27 762 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA507469  Rumex acetosella 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
  CLARK-A1528-3797  Rumex californicus John C. Roos 1952-5-26 5719 Riverside Reche Canyon 457 Comment
  RSA784662  Rumex salicifolius Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 69 Riverside Margarite road further down to the valley after turn towards Robcar road Comment
  POM250474  Rumex salicifolius var. salicifolius I. W. Clokey, E. G. Anderson 1935-8-21 6601 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  UC1178624  Rumex salicifolius var. salicifolius Peter Kamb 1948-10-31 1284 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  POM306692  Salazaria mexicana Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1690 Riverside Near Desert Center. Comment
  UCR211718  Salicornia subterminalis Fred M. Roberts, D. E. Bramlet 2005-6-8 6249 Riverside Perris Basin, San Jacinto Valley, Upper Salt Creek drainage, north of Stetson and west of MWD canal, 1.6 km west of Ryan Airfield 454 Comment
  CAS-BOT-BC129743  Salix bonplandiana H. L. Mason 1928-3-10 4171 Riverside Snow Creek, White Water River Valley, Colorado Desert Comment
  CAS-BOT-BC103891  Salix exigua 1932-4-12 s.n. Riverside unspecified Comment
  POM319718  Salix exigua Patricia Wilder 1971-9-29 5269 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
  UC1979594  Salix exigua D. L Banks, Steve Boyd 1995-3-16 0091 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. Comment
  UCR101456  Salix exigua A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22224 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  RSA92696  Salix gooddingii F. W. Peirson 1918-03 719 Riverside Near Mecca and the Salton Sea. Comment
  CAS-BOT-BC108213  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  PASA2676  Salix hindsiana var. leucodendroides Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside, Riverside County 240 Comment
  RSA342545  Salix laevigata Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54101 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SDSU13821  Salix laevigata W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UC483076  Salix laevigata Frank W. Peirson 1928-3-10 7700 Riverside Snow Creek Auto Camp Whitewater Comment
  UCR156099  Salix laevigata T. B. Salvato, Kent Beaman 2005-5-16 840 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
  UCR92667  Salix laevigata Scott D. White 1996-3-31 3869 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
  UC5060  Salix lasiolepis H. M. Hall 1901-7-17 2444 Riverside Tahquitz Creek San Jacinto Mountains 1889 Comment
  POM9287  Salix lasiolepis Philip A. Munz, R. D. Harwood 1920-2-28 3260 Riverside 2 mi. southeast of Corona 305 Comment
  UCR26492  Salix scouleriana A. C. Sanders 1980-7-22 1696 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA0095102  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3877 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
  RSA0004874  Saltugilia latimeri Verne Grant, Alva Grant 1950-4-9 8840 Riverside Palm Springs. Comment
  POM70719  Salvia apiana Marcus E. Jones 1906-4-19 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  SEINET269559  Salvia apiana Scott D. White 1996-5-27 4070 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  UCD125454  Salvia apiana B. Pitzer 1997-4-20 3194 Riverside Lakeview Mountains: Warren Road, ca. 1/2 miles (airline) northeast of Contour Road. Just past turnoff to the water tank. 518 Comment
  UCR139646  Salvia apiana A. C. Sanders 2004-6-30 28387 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR214322  Salvia apiana A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38382 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
  UCR35342  Salvia carduacea L. B. Ziegler 1967-2-20 111 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  UCR59499  Salvia carduacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3235 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  POM10097  Salvia columbariae Charlotte M. Wilder 1904-4-6 195 Riverside Wilder's Canyon. Comment
  RSA67305  Salvia columbariae G. R. Campbell 1951-4-22 16053 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1372 Comment
  RSA676116  Salvia columbariae Scott D. White 2001-4-3 8253 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET270812  Salvia columbariae Richard J. Shaw 1958-4-6 1097 Riverside Joshua Tree National Monument ; Road between White Tank Campground and South Entrance 610 Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  SEINET4853918  Salvia greatae Unknown 1905-4-22 5848 Riverside 4 miles northeast of Dos Palmos. Comment
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Dec 11 2019
  UC354507  Salvia greatae Edmund C. Jaeger 1926-2-24 Riverside Canyon Springs Wash Colorado Desert, Blake Sea (above the sea-line of ancient Blake Sea on the Colorado Desert) 30 Comment
  UCR251322  Salvia greatae Michelle Murphy-Mariscal 2014-5-6 50614- 01 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, 1.25 mi. NE (67 deg. ) of trestle on Kaiser mine RR at wash crossing, between RR and Bradshaw Rd. 308 Comment
  RSA192198  Salvia mellifera E. W. Lathrop 1959-4-17 4487 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA751926  Salvia mellifera Scott D. White, Justin M. Wood 2009-5-22 12931 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  SD157514  Salvia mellifera Michael L. Wells 1990-4-19 90 20 Riverside Perris, intersection of Nuevo Road and Rimrock Road; southeast facing slope Comment
  RSA434173  Salvia pachyphylla N. R. Zabriskie, Walter Zabriskie 1971-8-21 438 Riverside Below Santa Rosa Spring Camp, Santa Rosa Mountain road. 2195 Comment
  JEPS62789  Salvia vaseyi W. L. Jepson 1901-5-22 1380 Riverside Palm Canyon and return to Van Deventer's Palm Canyon of Mt. San Jacinto; Mt. San Jacinto 914 Comment
  RSA11594  Salvia vaseyi C. Epling, Wm. Robinson 1933-6-24 s.n. Riverside Little San Bernardino Mountains: Near Morongo Pass Comment
  SD95195  Salvia vaseyi Anne Harrison 1962-4-17 30 Riverside Highway 74, Santa Rosa Mountains, overlooking Deep Canyon and Palm Desert, rocky ledge on east side of road 914 Comment
  SEINET10869908  Salvia vaseyi A. Evans 1976-4-13 Evans 5190 Riverside Rocky slopes of santa rosa mtns. Comment
  CHSC100669  Sambucus mexicana A. C. Sanders 2004-5-12 27884 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  RSA500140  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3669 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR180578  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA748816  Sanicula crassicaulis G. Gust, L. Nye 2005-3-12 558 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  SD133203  Sanicula crassicaulis Scott White 1991-5-13 91 79 Riverside Highway 79 immediately west of U.S. Forest Service Campground at Dripping Springs. 550 Comment
  JEPS27439  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1914-5-25 6071 Riverside San Gorgonio Pass 548 Comment
  CLARK-A1528-1469  Sarcostemma hirtellum John C. Roos 1937-4-18 Riverside Colorado Desert Comment
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Mar 3 2014
  UCR82819  Sarcostemma hirtellum Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  RSA777635  Schismus arabicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 772 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  HSC10886  Schismus barbatus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23093 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  UCR102747  Schismus barbatus B. G. Pitzer 1998-2-1 3447 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  CAS-BOT-BC111279  Schoenoplectus acutus var. occidentalis Crawford; Johnson 1917-6-9 1226 Riverside Santa Ana River near Corona along stream. Comment
  SEINET3913622  Scirpus americanus Faulkner 1978-4-27 502 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  RSA747274  Scrophularia Orlando Mistretta 1992-6-10 530 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA504545  Scutellaria bolanderi subsp. austromontana Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, head of Cole canyon, NW of Mesa de Burro. Comment
  RSA748358  Scutellaria siphocampyloides Sarah J. De Groot, Naomi S. Fraga 2004-7-8 4388 Riverside San Jacinto Mountains: East of Idyllwild, vicinity of FS road 5S13, between Chimney Flats Road 5S06 and 5S24. 1463 Comment
  UCR115427  Scutellaria tuberosa Scott D. White, D. E. Bramlet 1999-4-22 7241 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  SD152815  Scutellaria tuberosa subsp. australis Steve Boyd, Time Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  SBBG92462  Sedum spathulifolium B. Pitzer, S. Myers, J. Wilkinson, T. Glenn 1986-6-22 637 Riverside NE of Banning, E branch of Millard Cyn, along trail to Kitching Pk Comment
  POM12031  Selaginella bigelovii Mary F. Spencer 1928-5-28 1697 Riverside Lower slope of San Jacinto Mountain 762 Comment
  RSA228814  Selaginella bigelovii Colin M. Wainwright, Larry DeBuhr 1972-2-10 609 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  RSA559463  Selaginella bigelovii Steve Boyd, T. S. Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA683701  Selaginella bigelovii P. J. Remple 1942-3-2 s.n. Riverside Whitewater Canyon. Comment
  RSA683764  Selaginella bigelovii Mary V. Hood 1945-3-27 s.n. Riverside Verdugo Ranch near Aguanga, Riverside -San Diego Co line. 610 Comment
  CAS-BOT-BC69810  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water. 426 Comment
  OBI38334  Senecio mohavensis A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6137 Riverside N foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  POM13264  Senecio mohavensis E. C. Jaeger 1922-3-4 116 Riverside Painted Canyon near Mecca. Comment
  RSA673503  Senecio vulgaris Scott D. White, Sandy Leatherman 2000-4-19 7670 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  SDSU12241  Senecio vulgaris Shasta Gaughen, M. G. Simpson 2000-4-1 3 Riverside Comment
  UCR122744  Senna covesii George K. Helmkamp, E. A. Helmkamp 1998-4-24 3378 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  SBBG124871  Sequoia sempervirens S. C. White, J. M. Wood 2009-5-22 12922 Riverside Halfway Spring, accessed via Old Control Rd 1159 Comment
  UC1951161  Sequoia sempervirens Scott D. White, Justin Wood 2009-5-22 12922 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  IRVC29108  Sesbania herbacea Chet McGaugh 2004-11-15 s.n. Riverside Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River Sonoran (Colorado) Desert -41 Comment
  SBBG69834  Sesuvium verrucosum M. D. Clary 1930-5-4 1295 Riverside Salton Sea -60 Comment
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Nov 8 2011
  SEINET10753960  Setaria geniculata Unknown 1987-5-10 Bogen 1 Riverside Along Van Buren Blvd. between bridge over Santa Ana River and sewer plant; disturbed area by roadside. Roadfill at edge of riparian. 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
  RSA433907  Sidalcea malviflora subsp. sparsifolia Ora M. Clark 1929-3-2 1639 Riverside Near Elsinore. Comment
  SDSU13643  Sidalcea sparsifolia W. Miller Riverside Road cut, north boundary past loop. Comment
  SEINET7048196  Sidalcea sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33705 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  CAS-BOT-BC434387  Sidotheca trilobata Philip A. Munz 1937-5-31 15117 Riverside Below Anza Tablet [Table = Anza Bench], at head of Coyote Canyon, S.W. Riverside Co. 1005 Comment
  UCR176085  Silene antirrhina Vanessa Lee 2005-4-14 s.n. 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