Search Results — 2000 specimen records retrieved (1890 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=RIVERSIDE; Source=All;   
Map/download results:

BerkeleyMapper with layers and yellow flags

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG95819  Abies concolor F. C. Vasek 1977-11-25 771125 -1 Riverside below Boulder Basin Cmpgrd Comment
  NY341988  Abronia aurita S. B. Parish 1896-4-4 4138 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mountain 152.4 Comment
  CAS-BOT-BC229311  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC229359  Abronia villosa Aven Nelson; Ruth Nelson 1939-3-22 3216 Riverside The 100 Palms resort, south of Indio, Highway 99 Comment
  RSA0021331  Abronia villosa Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4657 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA698219  Abronia villosa J. R. Bruff s.n. Riverside Whitewater. Comment
  SBBG69828  Abronia villosa M. N. Ackley 1929-5-19 687 Riverside Hemet 484 Comment
  UCR148457  Abronia villosa S. J. Myers 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 8 miles (3.5 air line) east of North Shore along Coachella Canal right-of-way, NW of Rancho Dos Palmas 24 Comment
  SEINET946027  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-1 6609 Riverside Hemet. 500 Comment
  UC1552146  Abronia villosa var. aurita David Charlton 1988-2-19 1208 Riverside Orocopia Mtns. Comment
  UCR59503  Abronia villosa var. aurita Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3240 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  UCR251579  Abronia villosa var. villosa Jim Andre 2013-3-27 24840 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
  RSA414908  Acacia greggii var. arizonica Anstruther Davidson 1892-05 s.n Riverside Banning. Comment
  UCR225732  Acacia redolens A. C. Sanders, T. B. Salvato 2011-3-30 38895 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA750537  Acamptopappus sphaerocephalus Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12587 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  SEINET1956956 Image available Acamptopappus sphaerocephalus Leila M. Shultz, Thorne, R., Tilford, R., Hogue, J. 1980-4-16 4025 Riverside Side canyon of Whitewater Canyon, San Bernardino Mtns. Comment
  SBBG7490  Acamptopappus sphaerocephalus var. hirtellus C. H. Muller 1953-3-21 146 Riverside Whitewater Cyn Comment
  JEPS12539  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall and W. L. Jepson May 17 1901-Jun 1 1901 1833 Riverside label heading: Journey of Jepson & Hall from Riverside to Palm Canyon (and return to Van Deventers); Van Deventers Flat Comment
Read comments
Jul 5 2010
  RSA416160  Acamptopappus sphaerocephalus var. sphaerocephalus Ora M. Clark 1929-2-22 1549 Riverside N. of White water, Colorado desert, So. Calif. Comment
  RSA263761  Acer macrophyllum E. W. Lathrop 1971-3-24 7480 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA761158  Achillea millefolium Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 689 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC210594  Achnatherum coronatum H. M. Hall 1901-6-1 2078 Riverside San Jacinto Mountain. In the vicinity of Chalk Hill 1463 Comment
  CDA28089  Achnatherum coronatum F. J. Willmarth 1962-9-7 Riverside San jacinto Mts.; Garner Ranch, Idyllwild Rd. 0 Comment
  SBBG57061  Achnatherum speciosum M. N. Ackley 1929-5-19 Riverside Tahquitz Lodge 1524 Comment
  UCR151367  Achyrachaena mollis Steve Boyd 2001-4-12 10411 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  SEINET3156336  Achyronychia cooperi S. B. Parish 190 Riverside Colorado desert Comment
  UCR10956  Acleisanthes longiflora Charlotte McCreary 1970-12-29 s.n. Riverside Colorado River Valley, near Palo Verde diversion dam on Hwy 95 91 Comment
  RSA791483  Acmispon strigosus Jim Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21082 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  RSA171094  Acourtia microcephala R. F. Thorne 1963-7-26 32822 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  RSA615331  Acourtia microcephala Scott D. White 1997-5-25 5246 -A Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  UCSB38385  Acourtia microcephala Elliott, Chuck 1964-5-13 Riverside 1/4 mile past Two Trees Road and Belvedere, Riverside 365 Comment
  CAS-BOT-BC22563  Adenophyllum porophylloides H. M. Hall; Willis Linn Jepson 1901-5-17 1835 Riverside East base of San Jacinto Mountain 762 Comment
  RSA676151  Adenophyllum porophylloides Scott D. White 2001-4-3 8263 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA730044  Adenophyllum porophylloides R. F. Thorne 1966-10-15 41799 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA735240  Adenophyllum porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11212 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
  RSA296168  Adenostoma fasciculatum Barry A. Prigge 1980-8-5 3866 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
Read comments
Jan 14 2010
  SD229250  Adenostoma fasciculatum Dick Schwenkmeyer 2012-3-26 666 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA0117833  Adenostoma fasciculatum var. fasciculatum Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7808 Riverside Along the Pacific Crest Trail at top of hill just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 830 Comment
  JEPS73944  Agrostis idahoensis Carl V. Meyer 1928-7-27 861 Riverside Round Valley San Jacinto Mts. Comment
  UCR2126  Agrostis idahoensis F. M. Reed 1908-7-11 2500 Riverside San Jacinto Mtns., trail to San Jacinto Peak 2927 Comment
  UCR90348  Agrostis pallens Scott D. White 1995-6-30 3414 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR24960  Agrostis scabra A. C. Sanders 1980-8-23 1753 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR194216  Agrostis semiverticillata Scott D. White, Angelia Carey 2004-6-4 10470 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA71928  Aliciella latifolia F. W. Peirson 1921-3-22 2385 Riverside Andreas Canyon, Palm Springs region Comment
  UCR279591  Aliciella latifolia A. C. Sanders, Jim Malusa 2017-3-28 43158 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
  RSA289856  Allenrolfea occidentalis B. A. Prigge 1980-12-15 4122 Riverside Whitewater Marsh: 4 miles S of Mecca. -70 Comment
  RSA802137  Allium haematochiton Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5012 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR113750  Allium haematochiton June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  UCR281565  Allium haematochiton Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-4-4 417- 96 Riverside Gavilan Hills, Proposed SCE transmission route, 0.4 miles NW of Lake St. and Walker Canyon Rd. 418 Comment
  CAS-BOT-BC472712  Allium lacunosum var. lacunosum Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  SD137979  Allium marvinii Darin L. Banks, Steve Boyd 1995-5-9 397 A Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 790 Comment
Read comments
Jul 31 2010
  CAS-BOT-BC132014  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills: E edge of plateau remnant of ridge E of Estelle Mt., S of Dawson Canyon 670 Comment
  CAS-BOT-BC132019  Allium parishii Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  SDSU18701  Allium praecox C. Matt Guilliams 2008-2-27 475 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. 405 Comment
  SEINET182529  Allium praecox Unknown 1935-4-16 6550 Riverside East of Hemet, 640 Comment
  UCR113966  Allium praecox Mitch Provance 1999-3-5 1059 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  UCSB38380  Allium praecox Minnich, John 1964-2-29 Riverside Sycamore Canyon, 1/4 mi. off Canyon Crest Drive about 1 mi. south of Pennsylvania Ave.; found about 1/2 mi. above mouth of canyon 365 Comment
  CAS-BOT-BC475445  Allium serra W. G. Wright 1894-5-1 s.n. Riverside Not specified Comment
  UCR133437  Allophyllum divaricatum Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 465 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA16503  Allophyllum glutinosum Percy C. Everett 1935-6-17 7155 Riverside Coldwater Can. trail to Santiago Peak, 1.5 mi. above Glen Ivy Resort. 564 Comment
  SEINET3079479 Image available Alonsoa linearis A. C. Sanders 1985-5-30 5813 Riverside UCR Botanic Garden, in the bed on the W side of the lath house, grid cell E-7. 366 Comment
  UCR272496  Alternanthera caracasana Mitch Provance 2013-6-18 613- 30 Riverside Santa Ana River Valley, Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  CLARK-A1528-1389  Amaranthus albus John C. Roos 1937-8-17 1220 Riverside San Jacinto Comment
  RSA402973  Amaranthus blitoides L. S. Rose 1967-12-20 67185 Riverside 6 mi. SE, of Thousand Palms. 15 Comment
  OBI35668  Amaranthus fimbriatus Louis B. Ziegler 1964-9-1 25 Riverside San Jacinto Mts Pinyon flats 1311 Comment
  SEINET10389835  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside 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
  SEINET12764893  Amaranthus fimbriatus Louis C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mountains, by Black Hill, by Pines to Palms Highway.; 0 975 Comment
  SD146059  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside; Hillside area,. along the south side of Dewey Street between Streeter Ave. and Palm Ave. 238 Comment
  RSA500136  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCD97595  Amaranthus watsonii K. Esau 1935-6-22 s.n. Riverside Riverside. Comment
  RSA3325  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 2459 Riverside Cabazon, San Gorgonio Pass. 518 Comment
  UCR239599  Ambrosia acanthicarpa O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  CAS-BOT-BC45011  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  POM4817  Ambrosia dumosa I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA792912  Ambrosia dumosa Aaron C. Sedgwick, Duncan S. Bell 2012-9-12 117 Riverside Rice Valley - Take Rice/Blythe Rd. south ~3 mi. from Hwy. 62, then head east on an unmarked BLM road. 235 Comment
  SBBG61677  Ambrosia dumosa R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SEINET8071625 Image available Ambrosia dumosa Deidre Conocchioli, Caitlin Elam 2013-10-1 73 Riverside Colorado Desert: Chocolate-Chuckwalla Mts.: E of Little Chuckwalla Mts. From Blythe take I-10 W for 17.8 mi, take the Wiley's Well Rd. exit. Turn left (S) on Wiley's Well Rd travel 1.3 mi on paved and then 4.5 mi on unpaved road. 177 Comment
  UC896717  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
Read comments
Apr 24 2011
  UCSB10231  Ambrosia dumosa Gunnerson, R. 1963-3-20 Riverside Whitewater Canyon, Colorado Desert Comment
Read comments
Mar 27 2014
  UC468989  Ambrosia psilostachya R. L. Pendleton 1905-9-28 254 Riverside bottom Santa Ana River 243 Comment
  CAS-BOT-BC273017  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 271 Riverside Below Andreas Canyon Club clubhouse; Andreas Canyon 304 Comment
  HSC83015  Ambrosia salsola N. M. Fellows 1985-3-3 77 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  LA204913  Amorpha californica var. californica W. E. Pequegnat; 1937-9-3 sn Riverside Santa Ana Mountains, Bedford Rd 1402 Comment
  POM1905  Amorpha fruticosa I. M. Johnston 1918-5-30 s.n Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  HSC3515  Amsinckia intermedia C. L. Hitchcock, C. V. Muhlick 1964-3-22 23248 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  UCR214116  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37720 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR225726  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-30 38901 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR251306  Amsinckia intermedia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7429 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  POM9598  Amsinckia intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview. Comment
  HSC79040  Amsinckia menziesii A. C. Sanders 1985-3-18 5404 Riverside UCR campus, between Lothian Dorm and Watkins Dr. Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC878733  Amsonia tomentosa C. L. Hitchcock 1940-3-31 5882 Riverside 1/2 mi. below Cottonwood Spring Comment
  RSA586498  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0329 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
  RSA594528  Anemopsis californica D. L. Banks, Dylan Hannon 1996-5-3 1008 Riverside Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area; 60 M NW of the end of the Dripping Springs campground drive, where the road makes a loop turn-around, W of the campground road. 493 Comment
  JEPS83426  Antirrhinum coulterianum David M. Thompson 1983-5-10 300 B Riverside Lake Elsinore Elsinore Quad. (7.5', 1953) (Railroad Canyon road) 548 Comment
  RSA32422  Antirrhinum coulterianum N. C. Cooper 1944-5-21 1271 Riverside San Jacinto Mountains, west side. 1220 Comment
  RSA33652  Antirrhinum coulterianum N. C. Cooper 1944-6-4 1325 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA508012  Antirrhinum coulterianum Steve D. Boyd 1988-5-28 2296 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR89857  Antirrhinum coulterianum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3303 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCSB13305  Antirrhinum coulterianum Elliott, Millicent 1962-5-5 Riverside 6.6 miles south of junction of 8th Street (Banning) with U.S. Highway 70-90; San Jacinto Mountains 1158 Comment
  CDA36138  Antirrhinum cyathiferum CDFA Staff 2011-10-4 s.n. Riverside Grown from seed collected in Deep Canyon, Riverside County. Sacramento, CDFA greenhouse on Meadowview Road. 0 Comment
  UC1929734  Antirrhinum kelloggii Scott D. White, Justin Wood 2008-4-3 11788 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. Comment
  UCR151363  Antirrhinum kelloggii D. L. Banks 1997-2-23 1335 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  VVC475  Antirrhinum nuttallianum A. C. Sanders 1997-5-4 20701 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA180395  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1960-6-8 4930 Riverside 14 miles west of Murrieta Comment
  SD137619  Antirrhinum nuttallianum subsp. nuttallianum Darin L. Banks, Steve Boyd 1995-5-9 370 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 792 Comment
  CLARK-A1528-1418  Apiastrum angustifolium John C. Roos 1938-3-28 728 Riverside La Sierra Comment
  CLARK-A1703-1243  Apium graveolens Robin L. Kobaly, Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  UCR3736A  Aquilegia formosa Frank C. Vasek 1964-7-25 640725- 14 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR237875  Arabis Mark A. Elvin 2003-3-26 2363 Riverside San Jacinto Mountains, Garner Valley off Fobes Ranch Rd., east of Hwy 74 1372 Comment
  RSA740235  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 -C Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR202022  Arabis sparsiflora 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
  POM354172  Arceuthobium campylopodum N. Cooper, Paul C. Silva 1943-9-11 923 Riverside Idyllwild Comment
Read comments
Oct 22 2011
  UCR205285  Arceuthobium campylopodum Scott D. White, T. B. Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 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
  CAS-BOT-BC23114  Arctostaphylos glandulosa subsp. glandulosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UC1137194  Arctostaphylos glandulosa subsp. glandulosa Willis E. Pequegnat 1940-6-13 Riverside sw face Santiago Peak; Cleveland National Forest, Corona Quadrangle, Santa Ana Mts. Comment
  OBI42561  Arctostaphylos glandulosa subsp. leucophylla A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mts, along trail toward Spitler Peak from the Hurkey Crk camp to Bonita Vista road. 1707 Comment
  RSA629475  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-12 15548 Riverside Wildomar Cpgrd, ca. 15 km S of Elsinore Pk. Santa Ana Mtns. 850 Comment
  RSA1555  Arctostaphylos glandulosa subsp. zacaensis J. T. Howell 1928-7-8 1053 Riverside Santa Ana Mountains above Glen Ivy 1524 Comment
  RSA167724  Arctostaphylos glauca R. F. Thorne 1963-7-26 32817 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  RSA632649  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16560 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  SDSU13993  Arctostaphylos glauca Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2146 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  RSA633524  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22513 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633570  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16675 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633578  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20116 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633616  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21778 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633749  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21784 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633763  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21800 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  SD134462  Arctostaphylos peninsularis Craig Reiser 1989-3-1 Riverside Santa Rosa Plateau, near Calle Jardin Comment
Read comments
May 12 2012
  RSA635691  Arctostaphylos pringlei Jon E. Keeley 1992-7-16 16600 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  CAS-BOT-BC44327  Arctostaphylos pringlei subsp. drupacea J. Ewan 1929-6-16 3586 Riverside Lily Creek Canyon above Idyllwild, San Jacinto Mts. 1676 Comment
  CLARK-A1528-449  Arctostaphylos pringlei subsp. drupacea Kim Mortensen 1969-5-10 24 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC46340  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA635795  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16590 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  RSA636159  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18813 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR189784  Arctostaphylos rainbowensis Diane Menuz 2007-3-26 265 Riverside Peninsular Range, Coastal Foothills Region, Santa Rosa Plateau, c. 0.2 mi west of northern edge of Mesa de la Punta. Along Punta Mesa Trail, 1000km from the Adobes 488 Comment
  UCR189797  Arctostaphylos rainbowensis Diane Menuz 2007-3-26 265 Riverside Peninsular Range, Coastal Foothills Region, Santa Rosa Plateau, c. 0.2 mi west of northern edge of Mesa de la Punta. Along Punta Mesa Trail, 1000km from the Adobes 488 Comment
  CSUSB1035  Argemone munita Richard L. Irwin 1962-4-21 41 Riverside In river bottom ca 1/4 mile Sw. of the Mission Blvd. (U.S. Hwy. 60) bridge over the Santa Ana River. 243 Comment
  SBBG2312  Argemone munita H. and M. Dearing 1940-6-7 4339 Riverside near Ribbonwood on Palms to Pines Hwy Comment
  CAS-BOT-BC401679  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-8-7 2178 b Riverside 13.2 miles s.e. of Idyllwild, Hemet Valley 1371 Comment
  RSA0040095  Argythamnia lanceolata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6257 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  POM308114  Aristida adscensionis var. modesta Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2936 Riverside 10 miles east of Indio. Comment
  SEINET5336075  Aristida californica H. M. Hall 1905-5-1 5963 Riverside Lower Sonoran Zone, Canons along Colorado River Comment
  CLARK-A1528-4468  Aristida fendleriana John C. Roos 1938-8-7 583 Riverside San Jacinto Mountains 1219 Comment
  UCSB45613  Aristida purpurea John C. Roos 1966-4-26 Riverside collected in hills between March AFB and Lakeview March AFB and Lakeview Comment
  POM264638  Aristida purpurea var. fendleriana J. C. Roos 1938-8-7 583 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
Read comments
Apr 3 2011
  JOTR35421  Aristida purpurea var. longiseta Andre, Jim 2012-4-16 20957 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UCD56562  Aristida purpurea var. nealleyi Peter H. Raven 1958-5-18 12986 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  SD121286  Aristida purpurea var. parishii J. C. Roos 1966-4-29 Riverside Rocky hills between March AFB and Lakeview, crevices in the rock slopes. Comment
  RSA0124743  Aristida purpurea var. wrightii Duncan S. Bell, LeRoy Gross 2016-3-9 8842 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA561506  Artemisia californica Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7668 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 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
  UCR128236  Artemisia californica A. C. Sanders, Kelly Volansky 2003-10-16 27351 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA495794  Artemisia californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2901 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  UCR151126  Artemisia douglasiana Scott D. White 1998-10-9 7172 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  RSA520088  Artemisia dracunculus Steve Boyd, David E. Bramlet 1988-10-8 2880 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SBBG65501  Artemisia ludoviciana C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  SEINET10723671  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2701 Riverside On trail to Taquitz from Taquitz Valley campground. On dry hillside among bracken ferns. Comment
  JOTR33674  Artemisia ludoviciana subsp. incompta La Doux, Tasha 2003-9-24 1589 Riverside Joshua Tree National Park. Little San Bernardino Mtns; southern Wonderland of Rocks, along trail to Barker Dam 1296 Comment
  SEINET10637449  Asclepias albicans Andrew C. Sanders, E. J. Lawlor 1992-4-4 Sanders 12156 Riverside 1/2 mile of McCoy Spring; alluvial slopes below and to the south, and canyon bottom above the spring 244 Comment
  JEPS6273  Asclepias eriocarpa Carl V. Meyer 1928-7-1 618 Riverside Saunders Meadow; San Jacinto Mountains Comment
  POM12425  Asclepias eriocarpa P. A. Munz 1922-9-5 6369 Riverside Fern Valley. Ocassioanl under pines 1982 Comment
  OBI37557  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  RSA263772  Asclepias fascicularis Beglau 1957-10-13 6421 Riverside San Mateo Can. Sonoran. 915 Comment
  RSA90127  Asclepias fascicularis E. K. Balls, P. C. Everett 1953-8-19 18538 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  UCR133005  Asclepias fascicularis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  SEINET3081784 Image available Asclepias subulata John N. Bullock 1970-5-8 P 22 Riverside 100 metres s.e. of California State Highway 195 8.9 m. e. of the All American canal 293 Comment
  UC399493  Aspidotis californica S. B. Parish 1908-4-4 6891 Riverside hills near <Declez> ([W end of Jurupa Hills]) Comment
Read comments
Aug 14 2010
  JEPS54674  Astragalus W. L. Jepson 1901-5-25 1448 Riverside trail to Santa Rosa Peak; trail to Santa Rosa Peak Comment
  SD249680  Astragalus aridus J. M. Andre 2013-3-27 24804 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  JEPS54581  Astragalus crotalariae W. L. Jepson 1927-4-14 11710 Riverside Oasis Sta. , Oasis Sta (Colorado Desert) Comment
  JEPS54628  Astragalus didymocarpus var. didymocarpus W. L. Jepson 1901-5-24 1415 Riverside Van Deventer's Ranch , Van Deventer's Ranch (Santa Rosa Mts.) Comment
  RSA282921  Astragalus douglasii var. parishii C. W. Tilforth 1980-6-17 1997 Riverside Along Thomas Mtn. Road, south of Lake Hemet, west of Hiway 74. Comment
  UC13444  Astragalus douglasii var. parishii H. M. Hall 1898-7-2 971 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley (San Jacinto Mountains, Southern California) Comment
  UCR104622  Astragalus douglasii var. parishii D. E. Bramlet 1990-6-20 2040 Riverside Arroyo Seco. Approximately 915 m south of Hwy 79 and 152 m south of the Dripping Springs Campground, 30 m east of the main wash. 494 Comment
  UCR35038  Astragalus douglasii var. parishii L. B. Ziegler 1972-5-15 461 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1402 Comment
  CAS-BOT-BC257175  Astragalus gambelianus Duncan S. Bell; Joy England 2010-5-17 1007 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15 1045 Comment
  RSA500098  Astragalus gambelianus Steve Boyd 1989-4-2 3212 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  UC1608238  Astragalus gambelianus Steve Boyd 1992-4-14 6817 Riverside western edge of Oak Flats area along Bluewater Tr. from Verdugo Tr. s to crest of ridge w side Bluewater Cyn (San Mateo Cyn Wilderness Area, Santa Ana Mtns); Santa Ana Mtns, San Mateo Cyn Wilderness Area 731 Comment
  UCR117315  Astragalus gambelianus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 722 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA0006768  Astragalus insularis var. harwoodii J. C. Roos, Lucille Roos 1949-4-11 4241 Riverside Corn Spring, Cuckawalla Mts. Comment
  UC862626 Image available Astragalus lentiginosus var. coachellae Alice Eastwood 1913-4-30 3116 Riverside Palm Springs Comment
  UC862737  Astragalus lentiginosus var. coachellae Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside Whitewater Colorado Desert, Whitewater (Colorado Desert, in sand around station) Comment
  CAS-BOT-BC194168  Astragalus pomonensis F. R. Lawson 1930-3-18 R 16 Riverside Cabazon 563 Comment
  POM26491  Astragalus pomonensis George B. Grant 1898-3-15 1609 Riverside Riverside. Comment
  RSA228804  Astragalus pomonensis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 605 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  RSA415846  Astragalus tricarinatus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
Read comments
Aug 16 2007
  CAS-BOT-BC98812  Atrichoseris platyphylla Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2161 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  RSA676284  Atrichoseris platyphylla Scott D. White 2001-4-3 8223 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG104632  Atrichoseris platyphylla T. Glenn 1991-5-2 91 -19 Riverside McCoy Mtns, NW of Blythe; T4S, R20E, S32 350 Comment
  SD43753  Atrichoseris platyphylla Darley F. Howe 1949-3-21 1944 Riverside 10 miles est of Mecca. Comment
  UCR214288  Atrichoseris platyphylla A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37485 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA0048600  Atrichoseris platyphylla A. Lee Haines 1973-3-25 s.n. Riverside Orocopia Mtns. 472 Comment
  RSA452696  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet. 305 Comment
  RSA557354  Atriplex argentea Julie Greene 1993-6-11 1368 Riverside North of new pond. 441 Comment
  RSA340180  Atriplex canescens R. F. Thorne, W. A. Tilforth 1980-5-28 54186 Riverside San Bernardino Mountains: W-facing slope of Whitewater ridge above old bridge. Comment
  RSA763548  Atriplex canescens Doris Hoover Bowers 1967-12-26 204 Riverside Durhams Siding E. side of Salton Sea -3 Comment
Read comments
Jun 16 2013
  UC527696  Atriplex canescens C. B. Wolf 1931-10-14 2462 Riverside roadside at Cabezon (San Gorgonio Pass); , Cabezon 518 Comment
  CAS-BOT-BC170203  Atriplex canescens subsp. canescens Carl B. Wolf 1941-1-5 9816 Riverside Caleb (Southern Pacific railway siding), S. of Mecca, Colorado Desert. 60 Comment
  RSA593914  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1996-4-19 8597 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SD138899  Atriplex coronata var. notatior Craig Reiser 1994-5-2 Riverside Fenced field. Reiser by phone says this was probably collected in Hemet near California Street, in an area now a preserve Comment
  UCR103491  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2438 Riverside San Jacinto Valley, Mystic Lake Duck Club, on berms & on the SW duck ponds within the club,1.71 km east of Davis Road and 46 m south of the access road, 640m north of the San Jacinto River Channel 436 Comment
  UCD169480  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2- 521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15. 216 Comment
  UCR129808  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio 177 Comment
  UCSB16186  Atriplex hymenelytra Gerhart, Janet 1963-4-5 Riverside Coachella canal, siphon No. 22, 5.0 mi. S of intersection of Salt Creek Wash Comment
  SBBG72554  Atriplex lentiformis subsp. breweri M. D. Clary -Oct-1929 423 Riverside Coachella Valley -13 Comment
  SD138896  Atriplex parishii Craig Reiser 1994-5-2 Riverside Hemet; north side of field, along fenceline Comment
  RSA724123  Atriplex polycarpa R. E. Riefner 2006-10-9 6 -488 Riverside City of Lake Elsinore, back basin of Lake Elsinore, W ca. 0.5 mi off Pete Lehr Dr. at Diamond Stadium in Wildlife Viewing Area. 402 Comment
  UCR136898  Atriplex polycarpa Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  SEINET3124995 Image available Atriplex rosea G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10336 Riverside Canal two miles north of Blythe. 70 Comment
  RSA737103  Atriplex semibaccata Justin M. Wood 2008-10-29 206 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  SD136862  Atriplex serenana Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
Read comments
Feb 13 2019
  RSA737223  Atriplex suberecta Justin M. Wood 2008-9-22 154 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR207304  Atriplex suberecta John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR4220  Avena fatua K. S. Gill 1965-3-14 s.n. Riverside UC Riverside Campus, near parking lot 19 244 Comment
  SEINET238943  Avenula pubescens Barbara Keller 2000-6-6 Riverside CULTIVATED; UC Botanical Gardens bed 658 behind memorial bench to the north of grass #93.0119. Accession number missing (Horticultu Comment
  RSA6625  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside Andreas Canyon. 762 Comment
  SEINET10668633  Baccharis David B. Dunn 1947-9-21 Dunn 3515 Riverside Seedlings in the wet sand near stream from springs. Comment
  RSA0123697  Baccharis brachyphylla Duncan S. Bell, LeRoy Gross 2016-3-30 9165 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UCR262332  Baccharis brachyphylla Duncan S. Bell 2013-9-29 6045 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs, Wash, c. 1.8 air mi southwest of Corn Springs 648 Comment
  RSA605786  Baccharis emoryi Scott D. White 1996-2-18 3804 Riverside Perris Basin: Double Butte, NW of Winchester, SE-facing slope of W butte. 30 Comment
  SDSU21799  Baccharis glutinosa Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3990 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  CDA26800  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509237 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  UCR154624  Baccharis pilularis A. C. Sanders, Mike Misenhelter 2005-6-15 30991 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
  RSA346264  Baccharis salicifolia R. F. Thorne 1980-4-16 54042 Riverside San Bernardino Mts: White Water River, S of bridge, just W of Whitewater 396 Comment
  RSA48867  Baccharis salicifolia J. C. Roos 1949-9-17 4658 Riverside Oasis, Whitewater Wash, 2.2 miles N of Hwy 99 518 Comment
  RSA502921  Baccharis salicifolia Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  UCR155307  Baccharis salicina A. C. Sanders 2005-5-4 29856 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  SD60247  Baccharis sarothroides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells, Little San Bernardino Mountains 1220 Comment
  UCR260060  Baccharis sarothroides Jim Malusa, A. C. Sanders 2015-3-10 s.n. Riverside Sonoran (Colorado) Desert, Chocolate Mountains, north end of the range c. 2 miles SE of Tabaseca Tank, c. 1.5 miles west of Gasline Rd., US Navy Chocolate Mountains Aerial Gunnery Range 671 Comment
  RSA592691  Baccharis sergiloides Scott D. White, D. Haselfeld 1996-7-2 4274 b Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR130082  Bacopa monnieri G. R. Ballmer 2003-11-22 s.n. Riverside Colorado River Valley, Northern Paloverde Valley, east of Hwy 95, c. 5 miles NE of Blythe, east end of 2nd Ave. 87 Comment
  SD224826  Bahia absinthifolia Daryl Koutnik 1996-7-19 Riverside Riverside: Univ. of CA, Riverside, UCR Botanical Garden. 853 Comment
  RSA1081  Bahiopsis parishii J. T. Howell 1927-4-1 527 Riverside Mission Creek, Colorado Desert 610 Comment
  SBBG60811  Bahiopsis parishii M. N. Ackley 1928-4-1 235 Riverside Snow Crk, Mt San Jacinto 518 Comment
  CAS-BOT-BC99952  Baileya pauciradiata Lewis S. Rose 1935-12-22 35684 Riverside 2 mi. E. of Palm Springs 91 Comment
  RSA27474  Baileya pauciradiata I. L. Wiggins 1941-3-27 9687 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA554074  Baileya pauciradiata Scott D. White 1991-7-26 91 -70 Riverside City of La Quinta, NE corner of Jefferson & 53 road Streets 30 Comment
  UC665909  Baileya pleniradiata Ira L. Wiggins 1941-3-27 9684 Riverside 8 mi ne of, s end of Coxcomb Mountains Desert Center; Coxcomb Mountains Comment
  RSA340188  Bebbia juncea R. F. Thorne, C. W. Tilforth 1980-5-28 54170 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA502193  Bebbia juncea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3701 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  RSA776769  Bebbia juncea Amber Swanson 2011-4-8 379 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SBBG60788  Bebbia juncea M. N. Ackley 1928-3-31 234 Riverside Hidden Spring Cyn 182 Comment
  SEINET4560590  Bebbia juncea Duncan S. Bell 2009-1 291 Riverside Arica Mountains; west side of range, approx., 2.5 air miles southwest of Priests Well Comment
  CAS-BOT-BC100121  Bebbia juncea var. aspera John Thomas Howell 1928-1-29 3296 Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC106402  Bebbia juncea var. aspera J. Beley 1974-2-21 1817 Riverside Halfway between 195 & Cactus City (Buried Mtn.) on roadside. Comment
  RSA604715  Bebbia juncea var. aspera L. C. Wheeler 1961-10-8 7932 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  UC30524  Bebbia juncea var. aspera W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 2674 Riverside San Jacinto River 609 Comment
  POM160114  Berberis nevinii E. C. Jaeger 1927-4-20 s.n. Riverside Aguanga Comment
  SD218993  Berberis nevinii M. Wall 2009-6-10 518 Riverside South of Redlands, ca. 0.75 mile up an unnamed canyon off San Timoteo Canyon Rd., ca. 0.5 mile NW of jct with Allesandro Blvd. 495 Comment
Read comments
Oct 28 2013
  UC1563036  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-18 3001 Riverside below Vail Lake dam Temecula Creek Canyon; Vail Lake 457 Comment
  UCR266819  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  RSA293511  Bernardia incana W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook, Highway 74 above Deep Canyon, south of Palm Desert. Comment
  OBI37524  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Keith Rd, just E of the Bear Crk development golfcourse Comment
  CSUSB940  Bloomeria crocea R. Thomasson 1973-5-24 Riverside Box Springs Mountains Box Springs Mountains. Big "C" turnoff, 0.6 miles from Box Springs Mountain Road. 777 Comment
  JEPS5208  Bloomeria crocea W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1334 Riverside Van Deventer's Ranch Comment
  UC1563102  Boechera californica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3568 Riverside along Arroyo Seco drainage from jct with Kolb Creek, s to within 0.25 mi of Hwy 79 Vail Lake Area 457 Comment
  CAS-BOT-BC16256  Boechera glaucovalvula Philip Alexander Munz 1949-4-11 13019 Riverside Mohave Desert. North base of Eagle Mountains. Near Conejo Well. 914 Comment
  RSA0087462  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7577 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA782133  Boerhavia coulteri var. palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 128 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  CLARK-A1656-845  Boerhavia erecta var. intermedia Jon Mark Stewart 1983-8-29 83-32 Riverside San Jacinto Mountains 853 Comment
  SD129259  Boerhavia intermedia A. C. Saunders 1989-9-19 9511 Riverside Chocolate Mountains arial gunnery range 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabatesca Target 640 Comment
Read comments
Sep 24 2017
  CAS-BOT-BC434534  Boerhavia triquetra Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  OBI38271  Boerhavia wrightii David J. Keil 1985-8-30 18953 Riverside Chiriaco Summit exit from I-10 Comment
  VVC2318  Boerhavia wrightii Tim Thomas, Alice Karl 2011-10-18 5528 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  UCD150437  Bolboschoenus robustus A. W. Miller 1958-3-8 s.n. Riverside NE corner Salton Sea. Comment
  CLARK-A1528-4501  Bothriochloa barbinodis John C. Roos 1947-2-15 3236 Riverside Eagle Mountains Comment
  UCR26656  Bothriochloa barbinodis E. W. Lathrop 1966-3-23 6086 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UC665906  Bouteloua aristidoides var. aristidoides Ira L. Wiggins 1941-3-27 9677 Riverside s end of mts 8 mi ne Desert Center; Coxcomb Mountains Comment
  RSA784778  Bouteloua barbata Duncan S. Bell 2012-3-18 3182 Riverside The Mecca Hills; southeastern section of hills; in labyrinthian slot canyons to the east of Hidden Canyon, approximately 2.2 air miles southwest of Hidden Spring. 74 Comment
  RSA792555  Bouteloua barbata Duncan S. Bell 2012-9-13 4182 Riverside 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
  RSA780230  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-12 114 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UC37477  Bouteloua curtipendula H. M. Hall June, 1901 2138 Riverside San Jacinto Mts., Santa Rosa Mt., Coyote Canyon 1524 Comment
  SEINET12798918  Bowlesia incana A. C. Sanders 2005-1 29848 Riverside Alt: 625m/2050ft. Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 635 Comment
  SEINET3240176  Bowlesia incana Rea Raymond 1962-1 176 Riverside North of Prado Dam-4 miles on Highway #71.: Santa Ana Mountains 305 Comment
  RSA678938  Brachypodium distachyon Scott D. White, Michael Honer 2003-6-3 9481 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA676267  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA778830  Brandegea bigelovii J. Andre 2011-2-9 15894 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
  HSC101524  Brassica tournefortii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12756 Riverside Joshua Tree National Park. Cottonwood Road near south entrance. 509 Comment
  RSA184044  Brassica tournefortii I. L. Wiggins, Dorothy B. Wiggins 1966-2-22 20462 Riverside Hwy 60, 1.5 miles SE of Garnet Hill. Comment
  RSA278954  Brassica tournefortii B. A. Prigge, L. Martinez 1978-3-23 2397 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Road 274 Comment
  RSA496658  Brassica tournefortii A. C. Sanders 1988-1-30 7590 Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. 328 Comment
  RSA783015  Brassica tournefortii J. Andre 2011-2-2 16204 Riverside West of Palm Springs alon Hwy 111 (south side) at base of San jacinto Mtns at Windy Point approx. 5.5 mi from Jct with I-10 259 Comment
  UCR241840  Brassica tournefortii A. C. Sanders, Timothy W. Chumley 2013-4-2 40730 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR96707  Brassica tournefortii A. C. Sanders 1997-3-1 19719 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA0063253  Brassica tournefortii Hulda Crooks 1946-3-2 252 Riverside N. of Palm Springs. 139 Comment
  POM212005  Brickellia desertorum C. B. Wolf 1931-10-14 1330 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  RSA700108  Brickellia desertorum Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  UCR231199  Brickellia desertorum A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39946 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  POM135924  Brickellia incana J. B. Feudge 1927-5-9 1609 Riverside Shavers Well, Colorado Desert Comment
  RSA387325  Brickellia incana Aaron Liston 1986-11-29 643 -3 Riverside Joshua Tree National Park. Cottonwood Springs. Comment
  SD135112  Brickellia oblongifolia var. linifolia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Near Santa Rosa Peak Comment
  SD68963  Brodiaea filifolia Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau, vernally moist, grassy margin of vernal marsh on Mesa de Colorado, Rancho California. 671 Comment
  UCR18656  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside Perris-Aguanga Basin region, 1 mi east of Perris along the San Jacinto River 427 Comment
  SD136967  Bromus arenarius Steve Boyd, Tim Ross et al. 1993-5-13 7367 Riverside Southen Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 410 Comment
  UCR137360  Bromus carinatus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CAS-BOT-BC148746  Bromus carinatus var. marginatus H. M. Hall 1901-7-1 2342 Riverside San Jacinto Mountains. Vicinity of Deer Springs. 2743 Comment
  UCD58354  Bromus catharticus John Thomas Howell 1960-3-24 35147 Riverside Hemet. Comment
  RSA754136  Bromus ciliatus var. ciliatus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 19 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  POM146223  Bromus grandis F. M. Reed 1925-5-25 5034 Riverside Horsethief Canyon - Temescal Valley., [33 deg 43'20N, 117 deg 26'15W] Comment
  SDSU41  Bromus madritensis subsp. rubens S. J. Barnhart 1966-4-17 Riverside SW facing slope of small hill . 0.1 mile east of McAllister St. along the metropolitan water co. uitility rd (dirt), which is 7.5 miles SE of the intersection of Mcallister St. and Victoria Ave. 457 Comment
  CLARK-A1656-762  Bromus rubens Theo Glenn 1979-3-4 Riverside San Jacinto Mountains Comment
  RSA678387  Bromus rubens Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10454 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  POM363955  Bromus rubens N. C. Cooper 1944-4-8 1082 Riverside Andreas Canyon 305 Comment
  UCD59748  Bromus tectorum Peter Kamb 1948-7-4 1160 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  GMDRC3745  Caesalpinia virgata J. Andre, T. La Doux 2009-3-1 11238 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  RSA0104458  Caesalpinia virgata Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7743 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  RSA595539  Caesalpinia virgata Alan Prather, Alice Hempel 1993-5-16 s.n Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. 400 Comment
  JEPS5836  Calandrinia ambigua Dr. L. M. Newlon 1922-4-2 417 Riverside along hwy between Westmoreland and Indio Indio; Colorado Desert Comment
  UCR241947  Calandrinia ciliata A. C. Sanders, Timothy W. Chumley 2013-3-28 40706 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 393 Comment
  UCR249821  Calandrinia ciliata T. B. Salvato, John Lovio 2013-3-19 7359 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  LA31714  Calocedrus decurrens Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley 1523 Comment
  MACF019487  Calocedrus decurrens Trudy R. Ericson 1974-11-9 265 Riverside St. 243 from Banning to Idyllwild about 1 mi. south of intersection of St. 243 and Vista Grande Road. 1645 Comment
  RSA377348  Calochortus concolor N. C. Cooper 1949-6-29 4330 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR201434  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  POM19844  Calochortus invenustus Mary F. Spencer 1923-7-18 2249 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  CAS-BOT-BC132464  Calochortus plummerae P. C. Everett; E. K. Balls; L. W. Lenz 1952-7-1 17281 Riverside 6.7 mi. w. along Hwy 74 from jct with road south from Idyllwild 914 Comment
  RSA79326  Calochortus plummerae Percy C. Everett, E. K. Balls, Lee Lenz 1952-7-1 17281 Riverside 6.7 mi W along Hwy 74 from jct w/ rd. S from Idyllwild. Comment
  HSC92910  Calochortus splendens Scott White 1993-5-29 1442 Riverside San Bernardino Mtns., Banning Canyon and Big Oaks Canyon along rd. to Raywood Flat, Yucaipa Ridge 1402 Comment
  JEPS61723  Calochortus splendens W. L. Jepson 1901-5-17 1228 Riverside Riverside 266 Comment
  SD137976  Calochortus splendens Darin L. Banks, Steve Boyd 1995-5-3 238 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs alcove Area, along the lower alluvial benches of arroyo Seco. 512 Comment
  UC3468  Calochortus splendens H. M. Hall 1901-6-8 2014 Riverside canyon of the San Jacinto River San Jacinto Mountains 914 Comment
  UCR48513  Calycadenia tenella Steve Boyd 1986-5-7 1837 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  POM307226  Calycoseris wrightii Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1995 Riverside 50 miles N of Blythe Comment
  JEPS52561  Calyptridium monandrum Carl V. Meyer 1929-6-15 756 Riverside along old road between Keen Camp and Idyllwild (San Jacinto Mountain); San Jacinto Mountain 1524 Comment
  JOTR34304  Calyptridium monandrum Andre, Jim 2012-4-11 20717 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  SEINET7072819  Calyptridium monandrum A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 7" North Latitude, -116? deg. 49' 54" West Longitude, Coordinate datum: NAD27.). Comment
  SBBG37494  Calystegia macrostegia R. N. Muller, S. Lindsey 1967-5-11 Riverside 1.5 mi S on Pigeon Pass Rd from jct with rd to Riverside Co Dump Comment
  UCR97460  Calystegia macrostegia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19887 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 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
  RSA525284  Calystegia macrostegia subsp. macrostegia Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4598 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  JEPS31596  Calystegia macrostegia subsp. tenuifolia W. L. Jepson May 17 1901-Jun 1 1901 1559 Riverside near Temescal Wash (Walters Ranch); near Temescal Wash, Walters Ranch Comment
  RSA161221  Calystegia macrostegia subsp. tenuifolia P. H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs. Comment
  POM12229  Calystegia occidentalis subsp. fulcrata Mary F. Spencer 1921-7-7 1866 Riverside Idyllwild. 1616 Comment
  POM307299  Calystegia occidentalis subsp. fulcrata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2153 Riverside Santa Rosa Mountains. Comment
  RSA740941  Calystegia occidentalis subsp. fulcrata Scott D. White, Justin M. Wood 2008-6-18 12244 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR202236  Camissonia Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR260090  Camissonia Mitch Provance 2012-4-23 412- 15 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  CAS-BOT-BC168227  Camissonia bistorta Abby Sirulnik 2000-4-13 06 Riverside Peninsular Ranges: Southwestern Riverside County Multispecies Reserve, ca. 3 mi NE of Skinner Reservoir 610 Comment
  CDA39783  Camissonia bistorta Mike Lahti 2014-3-11 s.n. Riverside Bautista Canyon - East Hemet. San Bernardino National Forest. 0 Comment
  CLARK-A1528-3317  Camissonia bistorta John C. Roos 1966-4-5 Riverside Winchester Comment
  UCR136270  Camissonia bistorta A. C. Sanders 2004-4-20 27546 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR154407  Camissonia bistorta A. C. Sanders, Mike Misenhelter 2005-6-15 30944 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
  UCR162765  Camissonia bistorta 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
  UCR213537  Camissonia bistorta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37807 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  RSA443546  Camissonia brevipes subsp. brevipes J. C. Roos 1966-3-20 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA78451  Camissonia brevipes subsp. brevipes Verne Grant, Alva Grant 1952-4-1 17516 Riverside 9 miles E of Mecca Comment
  RSA144811  Camissonia californica E. G. Linsley, J. W. MacSwain 1960-3-1 60 -2 Riverside Colorado Desert, Palm Springs, Tamarisk Avenue Comment
  RSA200915  Camissonia californica Carl B. Wolf 1932-5-25 3670 Riverside San Jacinto Mountains, 0.5 miles below the Fish Hatchery, Snow Creek, North base of mountains 549 Comment
  UCR158496  Camissonia californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30016 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
  SD7322  Camissonia campestris subsp. campestris Daniel Cleveland 1882-4-24 Riverside San Jacinto Plain. Comment
  RSA454733  Camissonia cardiophylla Anstruther Davidson 1903-05 s.n. Riverside Martinez Canon, Thermal. Comment
  RSA454737  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Painted Canyon. Colorado Desert. 30 Comment
  RSA454742  Camissonia cardiophylla M. B. Dunkle 1932-3-25 2916 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  UCR37676  Camissonia cardiophylla George K. Helmkamp 1984-5-5 E 6 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  CHSC8447  Camissonia chamaenerioides Edward Laidlaw Smith 1958-3-21 377 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  UCR241590  Camissonia claviformis A. C. Sanders, Ann Howald 2013-2-28 40556 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  RSA135303  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-2-16 11623 Riverside 4.3 miles south of Rice. Comment
  RSA448923  Camissonia claviformis subsp. aurantiaca F. R. Fosberg 1932-3-13 8096 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA448927  Camissonia claviformis subsp. aurantiaca M. B. Dunkle 1935-3-17 4407 Riverside Colorado Desert. 610 Comment
  RSA186795  Camissonia confusa Peter H. Raven 1962-5-18 17763 Riverside Junction [of] Main Divide Truck Trail with Ortega Highway, Santa Ana Mountains. 701 Comment
  UCR18523  Camissonia confusa A. C. Sanders 1978-6-11 453 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  SEINET7042773  Camissonia graciliflora W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  POM48990  Camissonia hirtella P. A. Munz, I. M. Johnston 1924-7-29 8846 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA192048  Camissonia hirtella E. W. Lathrop 1959-5-29 4584 Riverside 14 mi. W. of Murrieta. Comment
  RSA525443  Camissonia hirtella Steve Boyd, Dave Bramlet 1990-4-29 4488 B Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR231813  Camissonia hirtella Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 12 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  RSA679818  Camissonia hirtella LeRoy Gross, Valerie Soza 2003-5-8 831 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  RSA180504  Camissonia ignota E. W. Lathrop 1959-4-16 4475 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA525263  Camissonia ignota Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4576 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  JOTR32959  Camissonia pallida subsp. hallii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  JOTR28914  Camissonia pallida subsp. pallida La Doux, Tasha, Bill Truesdell 2004-3-11 1149 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 533 Comment
  RSA278984  Camissonia pallida subsp. pallida Barry A. Prigge, L. Martinez 1978-3-23 2437 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA511315  Camissonia refracta A. C. Sanders 1988-5-11 7798 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  RSA676263  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA495787  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2886 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR256898  Camissonia strigulosa LeRoy Gross, Caitlin Elam 2013-5-14 6044 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  UCR80819  Camissonia strigulosa Scott D. White 1993-5-29 1456 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  OBI33206  Camissoniopsis bistorta J. C. Roos 1947-3-15 3345 Riverside Valle Vista, San Jacinto Valley 549 Comment
  SD39522  Camissoniopsis confusa Edith A. Purer 1935-4-21 6449 Riverside Pine Valley; Pines to Palms Highway. Comment
  UCR265606  Camissoniopsis hirtella Jordan Zylstra 2014-3-18 14009 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UC1595616  Camissoniopsis intermedia Steve Boyd 1991-5-20 6273 Riverside nw Lake Elsinore (just inside Nat. For. boundary); Santa Ana Mountains, Cleveland Nat. For., Lower Rice Cyn 573 Comment
  JOTR34475  Camissoniopsis pallida Andre, Jim 2012-4-16 20945 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  UC874052  Camissoniopsis pallida subsp. pallida P. A. Munz and D. Keck 1922-4-14 4976 Riverside e Whitewater Ranch; Colorado Desert 274 Comment
  UCSB4448  Camissoniopsis pallida subsp. pallida Long, Frances 1939-12-31 Riverside Indio Comment
  RSA343102  Carex alma Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60634 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  UCR201506  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  POM49568  Carex fracta Phillip A. Munz, I. M. Johnston 1924-7-28 8817 Riverside Pine Flats 1738 Comment
  POM49093  Carex heteroneura Phillip A. Munz, I. M. Johnston 1924-7-27 8770 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  UCR158885  Carex praegracilis Scott D. White 1994-6-14 2059 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UC835304  Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek 1500 Comment
  SD112272  Carex senta Darley Howe 1941-6-8 1333 Riverside San Jacinto Mts, Strawberry Creek. Comment
  UC837101  Carex subfusca P. A. Munz 1922-6-24 5801 Riverside Pipe Creek San Jacinto Mts. 1584 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
  SEINET949262  Cassia nemophila A. C. Sanders, K. C. Rose 1999-1 22794 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. Between Ave 54 and I -10 (La Quinta 7.5) 10 Comment
  UCD122168  Castilleja affinis A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta. 396 Comment
  UCR122546  Castilleja applegatei subsp. martini George K. Helmkamp, E. A. Helmkamp 2001-5-20 6677 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  SD65544  Castilleja applegatei subsp. martinii Robert L. Rutherford 1944-6-17 1418 Riverside San Jacinto Mtn., above Banning, canyon floor 1372 Comment
  UCR152522  Castilleja exserta A. C. Sanders 2005-4-22 29616 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  JEPS16663  Castilleja exserta subsp. exserta Rimo Bacigalupi with Gene Newcomb 1954-4-25 4400 Riverside 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  SD137616  Castilleja exserta subsp. exserta Darin L. Banks 1995-5-9 379 Riverside Cleveland National Forest; Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of the Woodchuck Campground 701 Comment
  RSA593380  Castilleja foliolosa Scott D. White 1996-7-23 4361 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
  SD129523  Castilleja foliolosa Ed LaRue May 1989 Riverside Hills E of Beaumont, along Potrero Creek, I(c) mi. E of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR165189  Castilleja foliolosa S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR164574  Castilleja minor subsp. spiralis S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA152540  Caulanthus heterophyllus R. C. Bacigalupi 1952-4-1 3597 Riverside Near Summit of first grade E of Aguanga (2 miles E), on road to Anza. Comment
  SD167181  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 Riverside Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  RSA0043326  Caulanthus simulans John F. Emmel 1991-5-26 1175 Riverside San Jacinto Mountains; Spitler Peak Trail above Apple Canyon, ca. 1 air mile south of Cartridge Spring. 1584 Comment
  RSA569986  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7919 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. 792 Comment
  RSA583364  Ceanothus crassifolius Steve Boyd, Darin Banks 1995-4-5 8417 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  SD27983  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Santa Ana Mts., Hidden Canyon, 5 Mi. west of Corona, base of Skyline Drive 405 Comment
  UCR174370  Ceanothus crassifolius A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32658 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR59684  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2972 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR68479  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3019 Riverside Peninsular Range, Vail Lake area, 1 mi west of Vail Lake 640 Comment
  UCR90987  Ceanothus crassifolius Scott D. White 1996-3-31 3873 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UC1951129  Ceanothus greggii Scott D. White, Justin Wood 2009-5-21 12866 Riverside SAN JACINTO MOUNTAINS: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). USGS Idyllwild, Anza 7.5' Quad. Comment
  CAS-BOT-BC51283  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above Fish Hatchery 792 Comment
  LA44870  Ceanothus leucodermis W. Pequegnat; 1939-4-8 44 Riverside Santa Ana Mountains Comment
  UCR172762  Ceanothus leucodermis Abby Sirulnik 2000-5-7 37 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 6 mi. south of Poppet Flat Road 1646 Comment
  CHSC8459  Ceanothus megacarpus var. megacarpus Edward Laidlaw Smith 1958-3-6 351 Riverside Coldwater Canyon, Glen Ivy, on Temescal Canyon Road. Santa Ana Mt. Range. Temescal Creek drainage area. 762 Comment
  HSC90191  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mi. W of lake 610 Comment
  RSA606735  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27419 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
  UCR68476  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  SD225088  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild Area: USFS Rd. 5S10 at jct. w/foot trail 2E16, at an intermittent stream channel. 1631 Comment
  CAS-BOT-BC51921  Ceanothus perplexans Paul F. Covel 1938-4-21 1175 Riverside On grade bet. Idyllwild - Hemet Comment
  SJSU10884  Ceanothus perplexans G. B. Youngberg 1956-3-31 239 Riverside by Banning-Idyllwild Rd, San Jacinto Mts 1158 Comment
  SEINET13946039 Image available Ceanothus perplexans Carl B. Wolf 1932-1 3655 Riverside No. Base of San Jacinto Mts. Snow Creek Canyon. 1 mi above Fish Hatchery. 792 Comment
  POM310178  Ceanothus spinosus Hulda Crooks 1946-3-2 s.n. Riverside Beaumont-E. of Town. 701 Comment
Read comments
Feb 17 2013
  UC1071429  Ceanothus tomentosus A. Lewis 1934-3-4 308 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quad. Comment
  CAS-BOT-BC63259  Ceanothus tomentosus var. olivaceus P. Munz; L. Street; G. Williams 1919-3-25 2326 Riverside Beaumont. Comment
  SD144500  Cenchrus echinatus A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19766 Riverside Colorado Desert: Palm Springs area, Indian Ave. at I-10 Freeway, Garnet. 188 Comment
  POM78963  Cenchrus longispinus I. M. Johnston 1925-7-1 s.n. Riverside 1 mile W of Wineville on Ontario Road [Mission Blvd.] Comment
Read comments
Apr 2 2011
  UCR174375  Centaurea melitensis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32623 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  UC667250  Centrostegia thurberi var. thurberi Annie M. Alexander and Louise Kellogg 1941-5-15 2176 Riverside Colorado Desert, n base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 914 Comment
  SD51948  Cerastium fontanum Reid Moran 1962-7-7 9856 Riverside By Strawberry Creek, 2.0 muiles southwest of Idyllwild. 1550 Comment
  RSA442199  Cerastium fontanum subsp. vulgare L. C. Wheeler 1931-10-4 211 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  RSA784724  Cercidium floridum Duncan S. Bell 2012-3-18 3212 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
  POM293590  Cercocarpus betuloides Lyman D. Benson 1946-4-15 12036 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCR35158  Cercocarpus betuloides L. B. Ziegler 1972-4-8 446 Riverside San Jacinto Mtns, S side of Thomas Mtn 1829 Comment
  SDSU14019  Chaenactis artemisiifolia Dinna Estrella, M. G. Simpson 2002-4-20 23 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  UC75942  Chaenactis artemisiifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR37475  Chaenactis artemisiifolia Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  POM9656  Chaenactis artemisiifolia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  RSA784770  Chaenactis carphoclinia Duncan S. Bell 2012-3-18 3174 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SBBG99385  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  LA203110  Chaenactis carphoclinia var. carphoclinia Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  RSA98707  Chaenactis carphoclinia var. carphoclinia Philip A. Munz 1926-1-31 9953 Riverside Dos Palmos [Palmas] Spring. Comment
  CAS-BOT-BC276918  Chaenactis fremontii F. H. Billings 1926-2-6 21 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC276932  Chaenactis fremontii Marian L. Campbell 1921-3-20 s.n. Riverside Banning to Palm Springs Comment
  CLARK-A1656-747  Chaenactis fremontii Theo Glenn 1979-3-28 Riverside Palm Springs Comment
  UCR137685  Chaenactis fremontii G. A. Reese, S. Kaime 1998-4-6 4717 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  RSA93812  Chaenactis fremontii F. W. Peirson 1926-2-22 6501 Riverside On talus slope east of bridge over Whitewater River, head of Coachella Valley Comment
  SEINET10798240  Chaenactis fremontii David B. Dunn 1948-3-14 Dunn 3775 Riverside Found 1/4 mile west of Garnet along roadside in a low spot of the desert sands of Colorado Desert. Comment
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR140295  Chaenactis glabriuscula A. C. Sanders 2004-4-9 27470 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 473 Comment
  RSA314460  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55458 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR136001  Chaenactis glabriuscula var. glabriuscula Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR44221  Chaenactis parishii A. C. Sanders 1986-6-1 6558 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  CAS-BOT-BC284345  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon ca. 100 yards east of spring Comment
  UC894415  Chaenactis stevioides I. W. Clokey 1935-4-17 6942 Riverside Cottonwood Springs Comment
  UCD130392  Chaenactis stevioides G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2722 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  RSA234107  Chaenactis stevioides var. brachypappa R. F. Thorne, R. Carolin 1967-3-21 41637 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  POM147695  Chaenactis stevioides var. stevioides Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
  POM99022  Chaenactis stevioides var. stevioides E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  UC868576  Chamaesyce Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  RSA525447  Chamaesyce albomarginata Steve Boyd, Dave Bramlet 1990-4-29 4492 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UC110670  Chamaesyce albomarginata Samuel B. Parish 1891-11-6 Riverside San Jacinto <Plains> Comment
  RSA498529  Chamaesyce micromera L. C. Wheeler 1931-11-26 369 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  SBBG92825  Chamaesyce micromera D. Charlton 1988-2-18 1146 Riverside S side of Little San Bernardino Mtns, Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10 609 Comment
  POM7096  Chamaesyce polycarpa P. A. Munz, L. T. Street, G. Williams 1919-3-28 2346 Riverside Indio . Comment
  POM7559  Chamaesyce polycarpa var. hirtella R. D. Harwood 1920-4-4 3513 Riverside Pass near Palm Springs 152 Comment
  RSA432470  Chamaesyce polycarpa var. hirtella Christopher Davidson 1973-4-1 1837 Riverside Palm Springs. 488 Comment
  JOTR34999  Chamaesyce setiloba La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3101 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  POM253440  Chamaesyce setiloba Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  POM6696  Chamaesyce setiloba P. A. Munz, L. T. Street, G. Williams 1919-3-25 2323 Riverside Palm Canyon. 213 Comment
  RSA719242  Chamaesyce setiloba Michael Honer, L. Hulse 2004-4-3 1910 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  CLARK-A1528-32  Cheilanthes californica E. M. Gifford 1938-1-9 7 Riverside Corona 457 Comment
  RSA125298  Cheilanthes clevelandii P. H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA586048  Cheilanthes clevelandii Darin L. Banks, Steve Boyd 1995-3-16 100 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 554 Comment
  CAS-BOT-BC70260  Cheilanthes intertexta C. F. Saunders 1908-4-1 s.n. Riverside Andreas Canyon, Palm Springs, Colorado Desert Comment
  CAS-BOT-BC68056  Cheilanthes parryi Ivan Johnston 1917-4-4 1046 Riverside Colorado Desert - Palm Canyon 304 Comment
  UC1400744  Cheilanthes parryi Alan R. Smith 1973-3-24 576 Riverside ca. 5 mi n of Interstate 10 from Chiriaco Summit Palm Canyon; Joshua Tree Nat'l Monument Comment
  UCR91550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-2-12 15925 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 581 Comment
  CAS-BOT-BC70383  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  UCR277698  Chenopodium album Mitch Provance 2012-7-15 612- 66 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  UCR280934  Chenopodium album Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 04 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  RSA423251  Chenopodium berlandieri N. C. Cooper 1943-10-9 949 Riverside Hemet. 304 Comment
Read comments
Apr 29 2011
  RSA605756  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: ''Friendly Hills Ranch''). 595 Comment
  UCR17966  Chenopodium californicum A. C. Sanders 1976-4-20 00278 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  UCR113788  Chenopodium giganteum A. C. Sanders, Mitch Provance 2000-10-4 23716 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  UCR132954  Chenopodium glaucum subsp. glaucum A. C. Sanders 2001-11-25 24888 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60 503 Comment
  RSA676093  Chenopodium murale Scott D. White 2001-4-12 8316 Riverside Colorado Desert: Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  SFV7069  Chenopodium murale T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 769 Riverside Blythe. Alfalfa field along Colorado River north of Collis Mayflower County Park. 85 Comment
  UCR227964X  Chenopodium murale Jim Andre 2011-2-9 15895 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
  POM153365  Chenopodium rubrum P. A. Munz, I. M. Johnston 1928-9-12 11241 Riverside North end of Lake Elsinore. 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
  UCR163665  Chilopsis linearis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; east of Salton Sea, along Coachella Canal, NW of Frink 24 Comment
  RSA33365  Chilopsis linearis subsp. arcuata N. Cooper 1943-9-26 925 Riverside Cabazon. 549 Comment
  UCR94644  Chilopsis linearis subsp. arcuata Scott D. White 1996-5-27 4075 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  POM48038  Chimaphila menziesii P. A. Munz, I. M. Johnston 1924-7-27 8753 Riverside Dark Canyon. 1890 Comment
  SEINET3004916  Chloris verticillata G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10334 Riverside Canal two miles north of Blythe. 70 Comment
  UCR182819  Chloris virgata R. E. Riefner Jr. 2006-9-19 06- 447 Riverside Peninsular Range, Temecula Valley, along I-15 Freeway near Temecula Creek 301 Comment
  POM263173  Chloris virgata J. C. Roos 1957-8-20 356 Riverside Blythe. Comment
  RSA457793  Chorizanthe brevicornu Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2195 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR167413  Chorizanthe brevicornu John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  CAS-BOT-BC191710  Chorizanthe brevicornu var. brevicornu Ivan Johnston 1917-4-4 1105 Riverside near Palm Springs. Colorado Desert Comment
  JOTR36446  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3416 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA772060  Chorizanthe brevicornu var. brevicornu Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4626 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG1396  Chorizanthe brevicornu var. brevicornu H. and M. Dearing 1937-4-10 2848 Riverside Thousand Palms Cyn Comment
  SBBG99602  Chorizanthe brevicornu var. brevicornu W. L. Halvorson 1977-3-8 77 -80 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR59751  Chorizanthe coriacea Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3093 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  CAS-BOT-BC191851  Chorizanthe corrugata Edmund C. Jaeger 1939-3-31 s.n. Riverside Box Canon [canyon] 30 Comment
  UCR59523  Chorizanthe leptotheca Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3605 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UC217961  Chorizanthe parryi var. parryi P. A. Munz and I. M. Johnston 1922-5-19 5359 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR189793  Chorizanthe parryi var. parryi Andrea Salzman 2006-5-30 136 a Riverside Peninsular Range; Perris Aguanga Basin, Lake Skinner, north of stage road 490 Comment
  UCR21954  Chorizanthe parryi var. parryi Steve Boyd 1980-5-11 231 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA543592  Chorizanthe polygonoides var. longispina Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6143 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA392744  Chorizanthe rigida Louis C. Wheeler 1931-11-26 372 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  UC665799  Chorizanthe rigida Ira L. Wiggins 1941-3-24 9583 Riverside along eastern side Salton Sea (1 mi n Imperial County line); eastern side Salton Sea Comment
  LA206562  Chorizanthe xanti Carl Epling; William Robison 1933-6-24 Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  SEINET3087439 Image available Chorizanthe xanti subsp. leucotheca Robert F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside San Bernardino Mtns.; rocky and sandy wash along Whitewater River, 3.2 mi. north of White Water post office and Highway 10 518 Comment
  POM97997  Chorizanthe xanti var. leucotheca E. C. Jaeger 1926-4-15 s.n. Riverside Mission Creek Wash Comment
Read comments
Nov 5 2011
  RSA708568  Chorizanthe xanti var. leucotheca Scott D. White, Jennifer H. Jones 2005-5-24 11098 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  RSA643806  Chrysothamnus paniculatus A. C. Sanders, G. Helmkamp, O. Clarke, B. Pitzer, et al. 1996-11-9 19647 Riverside Colorado Desert: Orocopia Mtns., near Bob's Cabin, 5 mi. (Air) S of Hayfield Pump Sta., E of Maniobra V., central sect. of (N of peak 2552 to BMk 1899) arroyo. 610 Comment
  RSA696812  Chrysothamnus paniculatus W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  SEINET11841379  Chrysothamnus paniculatus O. F. Clarke 1969-1 s.n. Riverside near Whitewater on Hwy 111, 2 mi SE of junction with I-10 at Verbenia Ave Comment
  CHSC8456  Chylismia brevipes Edward Laidlaw Smith 1958-3-21 359 Riverside 3 mi. m. Desert Center, Chuckwalla Mt. Range. Colorado River drainage area. 274 Comment
  UCSB30406  Chylismia brevipes Krasner, Larry 1975-3-22 Riverside 11 miles west of Desert Center on Highway 10 365 Comment
  JOTR34321  Chylismia brevipes subsp. brevipes Andre, Jim 2012-4-11 20822 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  UC1122151  Chylismia cardiophylla subsp. cardiophylla H. S. Yates 1937-3-23 6428 Riverside Painted Canyon Thermal Quadrangle Comment
  UCD103873  Chylismia claviformis R. W. Scora 1966-4-1 3009 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
  UCD103877  Chylismia claviformis William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UC1184360  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside 5.5 mi se Painted Canyon turnoff; Box Canyon Comment
  UC1184368  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11746 Riverside US Hwy 95 8.6 mi n Blythe Comment
  UC217899  Chylismia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-14 4994 Riverside Indian Wells Colorado Desert 91 Comment
  CAS-BOT-BC162785  Chylismia claviformis subsp. claviformis John Thomas Howell 1928-3-11 3420 Riverside Morongo Canyon, N. Colorado Desert 609 Comment
  POM19635  Cirsium occidentale var. californicum Mary F. Spencer 1923-7-20 2210 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR89755  Cirsium occidentale var. californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3300 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  POM6150  Cirsium scariosum L. T. Street 1917-5-15 s.n. Riverside Near Elsinore Comment
  SEINET2050088 Image available Cirsium scariosum var. citrinum Annette Price 1962-5-1 65 Riverside Along Tenaja Rd., ca 2 1/2 miles before Tenaja Station 12, Santa Anna Mountains Comment
  SD187343  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UC1523626  Cirsium vulgare Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61280 Riverside near Murrieta-Guava St. roads (a few mi s of Murrieta); De Luz Arroyo 385 Comment
  POM199346  Cistanthe monandra Joseph A. Ewan 1932-4-8 7036 Riverside Seven Palms near Garnet Comment
  RSA516877  Cistanthe monandra Steve Boyd 1986-3-1 1359 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA583357  Cistanthe monandra Steve Boyd, Darin Banks 1995-4-5 8422 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  SD144144  Cladium californicum A. C. Sanders, P. MacKay, et al 1994-12-4 15878 Riverside Colorado desert; Salton Sea sink; Dos Palmas Oasis area; San Andres palm grove, 1.75 Km (1.1 miles) west south west of Rancho Dos Palmas, marked seep on Durmid 7.5' Quad. Comment
  RSA717838  Clarkia dudleyana T. Tennant, Mitch Provance, J. S. Ross 1998-6-25 MOR- 529 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR154601  Clarkia purpurea A. C. Sanders, T. B. Salvato 2005-4-28 29764 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  CLARK-A1528-646  Clarkia purpurea subsp. quadrivulnera 1972-5-17 OO 642 Riverside Morongo Indian Reservation 1158 Comment
  POM17813  Clarkia rhomboidea P. A. Munz 1923-6-14 7091 Riverside Santiago peak, Santa Ana Mountains. 1616 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
  RSA5006  Claytonia parviflora subsp. parviflora Dorothy R. Wolf 1932-3-20 6 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  UC218074  Claytonia parviflora subsp. viridis P. A. Munz and I. M. Johnston 1922-5-19 5394 Riverside Keen Camp; San Jacinto Mts. 1463 Comment
  RSA0045480  Claytonia perfoliata Diane M. Ramirez 1983-5-1 22 Riverside Mellor Ranch Road, 3 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  HSC17685  Claytonia perfoliata subsp. mexicana C. L. Hitchcock, C. V. Muhlick 1964-3-17 23074 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  UCR79476  Clematis ligusticifolia Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7676 Riverside Southern Santa Ana Mountains, San Mateo Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 671 Comment
  CAS-BOT-BC92827  Clematis pauciflora Milo S. Baker 1928-4-3 2825 b Riverside Tahquitz Canon [Canyon]. Comment
  JOTR32029  Clematis pauciflora Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Mountain: Wonderland of Rocks; Wall Street Mill trailhead; open sandy flats surrounding boulder outcrops 1304 Comment
  RSA386287  Clematis pauciflora Jean Carnine 1932-3-28 s.n. Riverside San Jacinto Mountains. Comment
  RSA586040  Clematis pauciflora D. L. Banks, S. D. Boyd 1995-3-16 93 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  VVC2874  Collinsia concolor Tim Thomas, P. J. MacKay 2010-4-12 5027 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  JEPS6220  Collinsia parviflora W. L. Jepson May 17 1901-Jun 1 1901 1300 Riverside Strawberry Valley; Mt San Jacinto 1676 Comment
  JOTR01108  Colubrina californica Cole, James E. 1941-5-22 773 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  UCSB61501  Colubrina californica Sanders, A.; Lawlor, E. 1992-4-4 Riverside Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 243 Comment
  RSA331892  Commelina erecta Steve Morgan 1984-7-17 s.n. Riverside University of California, Riverside Botanic Garden. 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
  UCR92650  Conyza coulteri F. M. Reed 1907-10-16 1971 Riverside Sheep ranch at head of Mockingbird Canyon, at crossing of Elsinore Road, foothills SE of Riverside 457 Comment
Read comments
Oct 6 2017
  UCR93031  Conyza coulteri Steve Boyd, D. L. Banks 1994-9-29 8367 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  CDA20751  Conyza sumatrensis R. W. Schaffer 2006-11-17 PDR 1262127 Riverside near Oasis St., Indio Ca. 0 Comment
  UCR103461  Cordylanthus rigidus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  UCR178201  Cordylanthus rigidus Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 645 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  JEPS6775  Cordylanthus rigidus subsp. setiger W. L. Jepson 1901-5-19 1269 Riverside on journey from San Jacinto River to Strawberry VAlley Upper San Jacinto Valley 609 Comment
  POM15180  Coreopsis bigelovii Mary F. Spencer 1922-4-23 2040 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  RSA762735  Corethrogyne filaginifolia Patrick Garrett, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 76 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG95154  Corethrogyne filaginifolia S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UC1424862  Corethrogyne filaginifolia J. Sauer and F. Vasek 1973-9-26 5545 Riverside sw Murrieta; Mesa de Colorado Comment
  RSA0042780  Cornus nuttallii A. Lee Haines 1951-5-19 s.n. Riverside Dark Canyon, San Jacinto Mt. 1981 Comment
  SD125721  Crassocephalum crepidioides A. C. Sanders 1986-9-15 6960 Riverside Temecula. Comment
Read comments
Sep 10 2011
  RSA788881  Crassula aquatica G. D. Wallace 2003-7-8 4041 Riverside Hidden Lake. Comment
  SD90599  Crassula aquatica Robert F. Thorne, Earl Lathrop 1969-5-12 37923 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  UCR110454  Crassula aquatica D. E. Bramlet 1998-4-22 2606 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  SD122942  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  UCR229494  Cressa truxillensis Jeremiah George 2011-7-14 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, Nichols Rd. just west of Collier Ave. junction 384 Comment
  UCR266332  Cressa truxillensis D. E. Bramlet 1992-5-15 2283 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  UC1121548  Crocanthemum scoparium var. vulgare A. E. Wieslander 1929-1-25 39 Riverside Bautista Creek San Jacinto Quad. 762 Comment
  CAS-BOT-BC181566  Crossosoma bigelovii Theodore Labouchere 1915-4-15 236 Riverside Tahquitch Canyon, borders of the Colorado Desert on the easterly side of San Jacinto Mountain Comment
  UC11993  Crossosoma bigelovii S. B. Parish Apr 4 1896-Apr 13 1896 4105 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  UCR102749  Crossosoma bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3562 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCSB3802  Crossosoma bigelovii Gunnerson, Robert 1953-3-21 Riverside Whitewater Canyon Comment
  JOTR28933  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA33476  Croton californicus N. C. Cooper 1944-4-21 1141 Riverside Banning 701 Comment
  RSA429  Croton californicus J. T. Howell 1928-7-9 1060 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  UC1329962  Croton californicus James E. Cole 1941-4-13 561 Riverside 0.5 mi n Meek's Cabin; Joshua Tree National Monument, Pinto Pass Comment
  RSA480578  Croton californicus var. californicus B. C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 500 Comment
  RSA314490  Croton californicus var. mohavensis R. F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55357 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA480570  Croton californicus var. mohavensis Robert L. Dressler 1949-3-19 410 Riverside Box Canyon, Orocopia Mts. Comment
  UCR155303  Croton setiger A. C. Sanders 2005-5-4 29840 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  JOTR28809  Cryptantha angustifolia La Doux, Tasha, Bill Truesdell 2004-3-11 1077 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  NY1154342  Cryptantha angustifolia N. H. Holmgren 1973-3-22 6468 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  POM3858  Cryptantha angustifolia H. M. Hall 1905-4-27 5922 Riverside Bottom land near Colorado river. 76 Comment
  POM6558  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-27 2354 Riverside Salton Sea Comment
  UCR18176  Cryptantha angustifolia A. C. Sanders 1978-4-2 00183 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR230775  Cryptantha angustifolia A. C. Sanders 2010-3-23 37534 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SD216465  Cryptantha barbigera Carol R. Annable 1995-3-10 2264 Riverside 1.6 kilometers South of Lake Cahiulla County Park. Comment
  UCR30072  Cryptantha barbigera George K. Helmkamp 1983-4-5 483 16 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR41595  Cryptantha barbigera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6116 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR216260  Cryptantha barbigera var. fergusoniae Mike Bell 2008-3-19 033 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  UCR165911B  Cryptantha corollata T. B. Salvato, John F. Green 2004-5-27 551 B Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SD240918  Cryptantha costata A. C. Sanders 2010-3-23 37535 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder Well 7.5'Q) 130 Comment
  UCR127961  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16117 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  UCR279492  Cryptantha dumetorum A. C. Sanders, Jim Malusa 2017-3-25 43003 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
  UC100864  Cryptantha holoptera H. M. Hall Apr 1905 5788 Riverside 10 mi w Coachella; Colorado Desert, Marshall Canyon 91 Comment
  CLARK-A1528-2216  Cryptantha intermedia John C. Roos 1950-4-22 4746 Riverside Pigeon Pass 457 Comment
  UC217988  Cryptantha intermedia P. A. Munz and I. M. Johnston 1922-5-19 5317 Riverside 3 mi e Murietta 457 Comment
  UCR16096  Cryptantha intermedia Patty Bartoli 1978-4-2 s.n. Riverside San Jacinto Mtns/ San Jacinto Valley, 2.3 mi east of Hemet on Hwy 74 Comment
  UCR44201  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR89846  Cryptantha intermedia Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3304 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SEINET12280821  Cryptantha intermedia M. F. Spencer 1922-1 306 Riverside 732 Comment
  RSA0033751  Cryptantha maritima Jim Andre 2013-3-27 24831 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  RSA774928  Cryptantha maritima Duncan S. Bell 2011-4-7 2164 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UCR193489  Cryptantha micrantha var. lepida A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35608 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  POM157916  Cryptantha microstachys P. A. Munz 1927-5-20 10822 Riverside 10 miles S. of Hemet. Comment
  RSA543935  Cryptantha microstachys Steve Boyd 1991-5-10 6213 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  SD247355  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside San Jacinto Mountains: Coldwater Creek watershed, ca. 1.25 miles ENE of Mountain Center, nameless tributary to Coldwater Creek, north of Johnson Meadow, above mapped spring. 1524 Comment
  POM368266  Cryptantha muricata Lester H. Cushman 1933-4-20 s.n. Riverside Corona 274 Comment
  UC729470  Cryptantha muricata Carl B. Wolf 1932-8-6 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  UCR93063  Cryptantha muricata A. C. Sanders, S. Ogg 1994-7-28 15172 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCSB38660  Cryptantha muricata Cowan, Clark 1978-4-25 Riverside 6.7 mi. (10.7 km.) SW on 74 from jct. with 71, 4.6 mi. (7.3 km.) from Lake Elsinore, Santa Ana Mts. Cleveland Nat. F. Comment
  SD247358  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountins; head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1.0 mile SE of Oak Glen Conservation Camp. 1341 Comment
  OBI66287  Cryptantha nevadensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1450 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  JOTR34086  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2981 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
  UC1063857  Cryptantha pterocarya H. S. Yates 1937-3-24 6456 Riverside Deep Canyon Thermal Quad. 609 Comment
  JOTR30328  Cryptantha racemosa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1772 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./Porcupine wash. Deep canyon with sandy bottom and rocky steep slopes. 778 Comment
  SEINET188116  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside Between Cottonwood Springs and Pinto Basin. Comment
  UCR15893  Cryptantha racemosa George K. Helmkamp 1979-4-18 s.n. Riverside Little San Bernardino Mtns/Sonoran (Colorado) Desert, Berdoo Canyon, 3.5 mi north of Dillon Road 457 Comment
  JOTR29367  Cryptantha utahensis La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1444 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  UC28915  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity of Riverside 457 Comment
  UCR178318  Cucurbita palmata T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 621 .3 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR241607  Cuscuta A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40822 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, intersection of Chuckwalla Valley Rd. and Graham Pass Rd. 124 Comment
  RSA697312  Cuscuta californica Keith E. Hoffmaster 1934-3-22 s.n. Riverside Santa Ana Mountains, Santiago can. n. Silverado can. Comment
Read comments
Feb 16 2013
  CDA39932  Cuscuta campestris E. H. Asher 1958-6-9 510 -58 Riverside Indio. 0 Comment
  SD262267  Cuscuta salina Mitch Provance, John Hazlett 2017-4-27 417 25 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. A short distance along the northeastward SCE transmission route. 384 Comment
  POM222642  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA0073880  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio. 760 Comment
  SEINET4604342 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4 km west of Aztec Well, 75 km east of Indio; Desert Center 7.5' USGS topographic quadrangle 727 Comment
  UC718129  Cylindropuntia californica var. parkeri Carl B. Wolf 1939-2-24 9491 Riverside 2.4 mi n Aguanga (on road to Anza) 762 Comment
  SD248374  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17727 Riverside Desert Cemter 7.5'Q USGS quad. Chuckwalla Moutains, just south of Corn Springs Wash, 250 m east of its confluence with Irish Wash, 500m NW of Azted Well, 74KM west of Blythe. 641 Comment
  RSA232997  Cylindropuntia echinocarpa D. A. Young 1969-4-18 P- 415 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
Read comments
Jan 28 2007
  RSA0039057  Cylindropuntia munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40509 Riverside Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  RSA0107281  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson, Neal Kramer 2011-5-1 17303 Riverside 57 km WSW of Blythe, 4.2 km NE of Chuckwalla Spring, bajada on north side of east end of Chuckwalla Mountains, 6 km NW of Graham Pass. 403 Comment
  RSA314045  Cymbalaria muralis C. W. Tilforth 1982-12-4 2216 Riverside Mira Looma, California residence. Comment
  CLARK-A1528-1432  Cymopterus panamintensis var. acutifolius John C. Roos 1948-5-15 3842 Riverside Eagle Mountains Comment
  CAS-BOT-BC114543  Cyperus eragrostis Crawford; Johnston 1917-6-9 1256 Riverside Santa Ana River near Corona. Comment
  POM158184  Cyperus eragrostis Phillip A. Munz, I. M. Johnston 1928-9-6 11269 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  SD224785  Cyperus erythrorhizos A. C. Sanders, O. F. Clarke & C. N. P. S. field trip 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mi SE of Louis Rubidoux Nature Center. Comment
  UCR199768  Cyperus niger Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10680 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
  CDA38903  Cyperus odoratus T. C. Fuller 1961-10-18 7161 Riverside Santa Ana River Canyon at Green River Golf Course, Highway 91. 0 Comment
  RSA554337  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa and N of Calle del Lago 348 Comment
  JEPS8337  Dalea mollis Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3600 Riverside just opposite and e. of n. end of Salton Sea (along CA Hwy. 111) -60 Comment
  RSA0042919  Dalea mollis Duncan S. Bell, Evan Meyer 2014-4-2 6496 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA421894  Datura wrightii Jeannette B. Edge 1934-3-25 18930 Riverside Jurupa Mts. 366 Comment
  JEPS12592  Deinandra fasciculata W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1576 Riverside Temescal Wash Comment
  SD185128  Deinandra fasciculata A. C. Sanders 2005-5-4 29842 Riverside 1.0 km east and southeast of Gavilan Peak. 625 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
  UCR16749  Delphinium parishii M. Quinlan 1974-4-18 s.n. Riverside Western Colorado Desert/ San Jacinto Mtns, Agua Caliente Indian Reservation, c. 4 mi. outside Palm Springs, in Andreas Canyon 305 Comment
  UCR231736  Delphinium parryi John F. Green 2008-4-23 08- 07 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  CAS-BOT-BC121427  Delphinium parryi subsp. parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet Comment
  UCR16746  Delphinium parryi subsp. parryi Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  RSA398680  Delphinium parryi subsp. purpureum N. C. Cooper 1944-4-22 1105 Riverside Banning. 701 Comment
  UC64114  Delphinium patens subsp. hepaticoideum H. M. Hall May 1899 1175 Riverside El Toro Mt. San Jacinto Mountains Comment
  UCR281118  Delphinium patens subsp. montanum Mitch Provance 2017-5-10 517- 98 Riverside San Bernardino Mountains, Banning Canyon, along Banning Canyon Rd. (FS Route 2S01), S side of San Gorgonio River, 1 mile N of Roan Pk. 1277 Comment
  UCR16994  Dendromecon rigida Eric Fisher 1979-4-20 s.n. Riverside 9 mi west of Aguanga on Hwy 79; southern oak woodland [near Dripping Spring] 549 Comment
  RSA433237  Dendromecon rigida subsp. rigida E. Crow 1929-3-17 191 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA85463  Deschampsia danthonioides var. gracilis J. C. Roos 1952-4-16 5543 Riverside Edgemont, near Box Springs. 488 Comment
  UCR241478  Descurainia pinnata Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1007 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  UC212652  Descurainia pinnata subsp. glabra Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 274 Comment
  RSA500068  Descurainia sophia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3243 Riverside Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 487 Comment
  CAS-BOT-BC402297  Dicentra chrysantha Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  SD52955  Dicentra chrysantha Peter H. Raven 1962-4-29 17485 Riverside Ortega Highway, 1.0 mile above its east base. 487 Comment
  RSA192248  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1960-3-11 4663 b Riverside 5 miles west of Murrieta. Comment
  RSA524406  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4097 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
  RSA696746  Dicoria canescens J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  UC527699  Dicoria canescens C. B. Wolf 1930-1 2547 Riverside roadside at Cabezon; San Gorgonio Pass 518 Comment
  UC68944  Dieteria asteroides var. asteroides H. M. Hall 1905-4-1 5920 Riverside Paloverde Valley Colorado Desert, Paloverde Valley 91 Comment
  CAS-BOT-BC291032  Dimorphotheca sinuata Steve Boyd 1986-4-10 1640 b Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon Comment
  SD129179  Dinebra panicea var. brachiata G. Helmkamp 1989-9-16 Riverside Ca. I(c) mi. S of Hwy I-8 W of Blythe, in disturbed soil beside alfalfa field at Seely Road and state hwy 78. 74 Comment
  CAS-BOT-BC150879  Diplacus X australis Munz; Street; Williams 1919-4-5 2447 Riverside Puddingstone [Canon] Canyon Comment
  SD136750  Diplacus aurantiacus Steve Boyd, Tim Ross 1992-5-5 7213 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  CAS-BOT-BC150924  Diplacus bigelovii var. bigelovii Ynez Whilton Winblad 1937-3-22 s.n. Riverside Near Mecca Comment
  SD139995  Diplacus brevipes Scott White 1993-4-22 1227 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  HSC95393  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, UCR Botanical Garden, near the W fence above the Latin American section 366 Comment
  UC53550  Distichlis spicata J. E. Roadhouse 1903-7-16 6 Riverside Salton Sink Comment
  JEPS2749 Image available Ditaxis claryana Marjorie D. Clary 1932-12-16 1707 Riverside 10 mi w Coachella (on bajadas at foot of Santa Rosa Mts.); Colorado Desert; Santa Rosa Mts., W of Coachella, Colorado Desert 91 Comment
  JEPS52439  Ditaxis lanceolata W. L. Jepson 1927-4-12 11669 Riverside n. of Mecca (Painted Canyon); Colorado Desert, Painted Canyon 76 Comment
  JOTR32109  Ditaxis lanceolata Harding, Mitzi, Kipp Callahan 2012-8-27 284 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  JOTR35215  Ditaxis lanceolata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3639 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash (Stop 2) Comment
  RSA701164  Ditaxis lanceolata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11225 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
  SEINET3004975  Ditaxis lanceolata G. Rink 2011-3-30 10401 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  SFV6324  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 43 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  RSA763984  Ditaxis neomexicana Justin M. Wood, D. M. Ray 2010-10-21 3001 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR139721  Ditaxis neomexicana B. G. Pitzer 1989-4-16 1293 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  CSUSB517  Dithyrea californica Shirley Hill 1963-2-20 630220 4 Riverside 3 feet of road, Vista Chino street, 1 mile north of Palm Springs Comment
  UC963835  Dithyrea californica Helen K. Sharsmith 1952-4-8 4049 Riverside w lobe Pinto Basin; Mojave Desert, Joshua Tree National Monument 609 Comment
  JEPS89089  Dodecatheon clevelandii subsp. clevelandii Rimo Bacigalupi and L. Heckard 1962-3-25 8389 Riverside about 5 mi se Corona (just n of Bedford Canyon, eastern base of the Santa Ana Mountains); eastern base of Santa Ana Mountains, n Bedford Canyon 304 Comment
  UCR23482  Draba cuneifolia John C. Roos 1958-2-22 s.n. Riverside Chuckwalla Mtns., Canyon 2.5 mi S.E. of Desert Center Comment
  POM12209  Dryopteris arguta P. A. Munz 1922-4-28 5037 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  SD217157  Dryopteris arguta Steve Boyd, Tim Ross & Orlando Mistretta 1992-2-2 6642 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  SDSU14177  Dryopteris arguta Kimberly S Miller, Dr. M. G. Simpson, Derek T Miller 2002-3-17 8 Riverside Santa Margarita Ecological Reserve. Up Santa Margarita River along east side of canyon from where Tornado road crosses. Comment
  RSA180422  Dudleya edulis E. W. Lathrop 1965-4-25 5698 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  CAS-BOT-BC109670  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Temescal Canyon. Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Northwest of Indian Truck Trail. Comment
  UC1951166  Dudleya pulverulenta Scott D. White, Justin Wood 2009-5-22 12930 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR86035  Dysphania pumilio Michael A. Patten 1992-5-7 92- 26 Riverside Santa Ana mtns., Santa Rosa Plateau, along Via Vaquero at Via Oesta, c. 5 km. west of Temecula 399 Comment
  RSA695581  Dyssodia porophylloides Keith E. Hoffmaster 1937-6-6 806 Riverside Desert grade of Palms to Pines Highway. Comment
  UCR187319  Dyssodia porophylloides Michael Honer, L. Hulse 2004-4-2 1877 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCR89529  Dyssodia porophylloides Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument; E side of Hexie Mtns., Porcupine Wash, near the junction with Ruby Lee Canyon 732 Comment
  UCR88309  Echinocereus engelmannii var. engelmannii A. C. Sanders, K. C. Rose 1995-4-5 16377 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR170133  Ehrharta erecta Jeffrey Ross 1998-6-4 143 Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  SDSU14052  Ehrharta longiflora Michael Powers 2002-4-2 9 Riverside North of Santa Margarita riverbed in Santa Margarita Ecological Reserve. 800 feet east of parking lot. 229 Comment
  RSA770644  Elatine californica R. F. Thorne 1973-5-23 43840 Riverside Santa Rosa Plateau- Mesa de Colorado. 610 Comment
  SEINET10680522  Elatine californica Robert F. Thorne 1978-5-21 Thorne 51987 Riverside Santa Rosa plateau, Mesa de Colorado. 610 Comment
  CAS-BOT-BC113430  Eleocharis bella Robert F. Thorne; E. Lathrop 1969-5-19 37954 Riverside Santa Rosa Plateau, wet muddy margin of N end of large vernal marsh, Mesa de Colorado, 624 Comment
  CAS-BOT-BC112732  Eleocharis geniculata Samuel B. Parish 1882-4-1 1160 Riverside Agua Caliente (Palm Springs) Comment
  RSA92090  Eleocharis geniculata F. W. Peirson 1921-3-20 2923 Riverside Palm Canyon, east base of San Jacinto Mountains 305 Comment
Read comments
Oct 1 2011
  CAS-BOT-BC113301  Eleocharis parishii John Thomas Howell 1927-8-1 2878 Riverside Wet ground on Mission Creek T Cross K Ranch, n. Colorado Desert. 609 Comment
  SBBG54319  Eleocharis parishii C. Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UC1254605  Eleocharis parishii James E. Cole 1941-5-27 810 Riverside Barker Dam Joshua Tree National Monument Comment
  LA102170  Elymus condensatus John C. Roos; 1963-8-10 sn Riverside Blythe Comment
Read comments
Mar 10 2014
  SBBG59329  Elymus elymoides R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  SD232143  Elymus glaucus Valerie Soza, Naomi Fraga 2003-6-25 1703 Riverside Peninsular Ranges, San Jacinto mountains region, slope above junction of Dark Canyon and Fuller Mill Creek. 455 Comment
  SD178092  Elymus triticoides A. C. Sanders 2004-5-12 27874 Riverside Elsinore Basin Region; Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 377 Comment
  UCR207568  Elymus triticoides O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR2376  Elymus triticoides F. M. Reed 1926-5-20 5372 Riverside Santa Ana Mtns., Santa Rosa Plateau, akaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, c. 7 mi. due west of Temecula] 625 Comment
  NY43125  Emmenanthe penduliflora J. B. Walker 1995-5-4 1415 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA28062  Emmenanthe penduliflora I. L. Wiggins 1941-3-27 9694 Riverside 4 mi. north of Whitewater. Comment
  UCR178001  Emmenanthe penduliflora S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  SBBG35073  Emmenanthe penduliflora var. penduliflora T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  CAS-BOT-BC131163  Encelia actoni Lewis S. Rose 1935-12-21 35680 Riverside Cabazon 609 Comment
  JEPS34119  Encelia actoni C. V. Meyer 1927-6-1 210 Riverside w base of San Jacinto Mts (along Idyllwild Road) Comment
  SEINET3836644  Encelia actoni Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28531 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  UCD131189  Encelia actoni Ted C. MacRae 1995-5-25 41 a Riverside 2.4 miles NE of Pinyon Flats on Highway 74, Santa Rosa Mountains. 1219 Comment
  UCR263476  Encelia actoni A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41503 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  UC1118047  Encelia californica R. St. John 1931-3-1 203 Riverside hill n Corona; Corona Quadrangle Comment
Read comments
Nov 27 2011
  UCR274545  Encelia californica Mitch Provance, Ken Halama 2003-6-15 17061 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  CAS-BOT-BC131328  Encelia farinosa Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2127 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  CAS-BOT-BC131341  Encelia farinosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23077 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  RSA696889  Encelia farinosa J. Russell Bruff 1927-3-13 s.n. Riverside Thousand Palms 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
  RSA796096  Encelia farinosa Duncan S. Bell 2009-4-20 306 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG52812  Encelia farinosa N. C. Cooper 1949-4-9 3325 Riverside Blythe 80 Comment
  RSA457784  Encelia farinosa var. farinosa Steve Boyd, Sara Meury, L. Arnseth, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2214 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SDSU12239  Encelia farinosa var. farinosa Shasta Gaughen, M. G. Simpson 2000-4-1 5 Riverside N. side of Santa Margarita River gorge where service road from Northside Field Station, Santa Margarita Ecological Reserve (SDSU) crosses the river. 232 Comment
  SEINET3146517  Encelia frutescens L. S. Rose 1935-12-23 35701 Riverside Colorado Desert; above Deep Cyn., San Jacinto Mts., 22 mi. S of Cathedral City 1067 Comment
  SEINET10925116  Encelia frutescens David B. Dunn 1948-3-14 Dunn 3768 Riverside Found five miles south of Garnet in the Colorado Desert sands. 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
  JEPS49141  Ephedra W. L. Jepson and H. M. Hall 1901-5-22 1354 Riverside Palm Canyon and return to Van DeVenter's; Journey of W. L. Jepson and H. M. Hall from Riverside to Santa Rosa Peak and Palomar, Southern California Comment
  UCR41522  Ephedra aspera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6142 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  CLARK-A1045-150  Ephedra californica George K. Helmkamp 1977-3-20 Riverside Cabazon Cabazon 7.5'Q Comment
  RSA735322  Ephedra californica Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11260 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA782339  Ephedra californica J. Andre, G. L. Clifton 2011-2-22 17472 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  SD137711  Epilobium canum subsp. canum Darin L. Banks, Steve Boyd 1995-10-17 795 Riverside Northwest Palomar Mountains; Cleveland National Forest; along lower Arroyo Seco, south of the Dripping Springs Campground. 523 Comment
  RSA125973  Epilobium canum subsp. latifolium E. K. Balls 1957-11-4 22745 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  RSA314465  Epilobium canum subsp. latifolium Robert F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55401 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA588530  Epilobium canum subsp. latifolium J. S. Stubblefield 1932-10-10 s.n. Riverside Near Colorado River. Comment
  UC64473  Epilobium densiflorum H. M. Hall June 1901 2292 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  SD3266  Epilobium oregonense Fidella G. Woodcock 5/1920 Riverside Water tank in Tahquitz or Chino Canyon. Colorado Desert. Comment
  UCR22003  Epilobium paniculatum Steve Boyd 1980-9-8 343 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA326148  Eragrostis cilianensis John F. Emmel 1981-6-27 787 Riverside Hemet, near intersection of Stanford Strret and Stetson Ave. 488 Comment
  UC2031361  Eremalche exilis Duncan S. Bell with Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, and Gene Ratcliff 2013-4-7 4765 Riverside E side of Arica Mountains; W side of Rice Valley approx. 6 air miles SE of the ghost town of Rice or approx. 5.3 air miles E of Priests Well. Comment
  CLARK-A1528-3224  Eremalche rotundifolia John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  SD113835  Eremalche rotundifolia Darley F. Howe 1952-4-28 2197 Riverside Box Canyon, east of Mecca. Comment
  SEINET11981651  Eremalche rotundifolia M. F. Spencer 1922-1 413 Riverside Cathedral Canyon, Palm Springs Comment
  RSA450313  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  CAS-BOT-BC160056  Eremothera boothii subsp. condensata Alice Eastwood 1913-4-30 3001 Riverside Palm Springs Comment
  UC196143  Eremothera boothii subsp. condensata S. B. and W. F. Parish April 1882 628 Riverside Agua Caliente Colorado Desert Comment
Read comments
Nov 24 2011
  UCR11343  Eremothera boothii subsp. desertorum John M. Spencer 1971-4-17 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now J.T.N. Park], 1.5 mi. north of Cottonwood Spring campground 953 Comment
  UC472923  Eriastrum diffusum subsp. diffusum P. C. Standley Aug 1922 Riverside Idyllwild San Jacinto Mts. 1828 Comment
  SEINET3087450 Image available Eriastrum eremicum B. Pitzer 1986-5-24 233 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 7.5' quad. 732 Comment
  UCR85437  Eriastrum eremicum George K. Helmkamp 1994-4-26 88- 8 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  UCSB38668  Eriastrum eremicum Cowan, Clark 1978-4-24 Riverside Lake Cohuila; 2.1 mi. (3.3 km) off Ave 66 on a dirt road, 1.3 mi. (2 km) on Ave 66 from Hwy 86; Whittaker transect #W-222 Comment
  RSA0122946  Eriastrum eremicum subsp. eremicum Scott D. White, Justin M. Wood 2009-4-28 12616 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR130710  Eriastrum eremicum subsp. eremicum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4076 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
Read comments
Nov 13 2018
  CAS-BOT-BC514457  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11089 Riverside Between Edom and Garnet, east of San Gorgonio Pass Comment
  RSA0120070  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1903-5-10 10252 Riverside Palm Spring. 61 Comment
  UCR174378  Eriastrum filifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32626 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA0120674  Eriastrum harwoodii Duncan S. Bell 2011-4-7 2174 Riverside On the northeast side of the Arica mountains; approximately 2.2 air miles northwest of Priests Well, or approximately 4.5 air miles southwest of the ghost town of Rice. 359 Comment
  RSA0120679  Eriastrum harwoodii Duncan S. Bell 2012-4-5 3305 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 137 Comment
  UCR13882  Eriastrum sapphirinum J. Zabriskie 1973-8-15 375 Riverside Santa Rosa Mountains, Stump Spring 2348 Comment
  RSA0122979  Eriastrum sapphirinum subsp. dasyanthum L. M. Prince, Duncan S. Bell 2009-6-17 578 Riverside Cleveland National Forest Comment
  UCR129892  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-5-20 1297 Riverside San Gorgonio Pass, Banning 701 Comment
  RSA0122974  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1901-08 2635 Riverside San Jacinto Mountains. The south side. 1585 Comment
  RSA520085  Ericameria cuneata var. spathulata Steve Boyd 1988-10-8 2859 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR244391  Ericameria linearifolia Jim Andre 2012-4-16 20965 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  SD68978  Ericameria pachylepis E. W. Lathrop 1965-10-24 6024 Riverside 8 miles west of Murrietta. 609 Comment
  POM158197  Ericameria palmeri var. pachylepis P. A. Munz, I. M. Johnston 1928-9-6 11280 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  RSA655081  Ericameria palmeri var. pachylepis Scott D. White 1999-10-7 7624 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  JOTR34118  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  SBBG8359  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside wash at W edge of Colorado Desert, just E of Banning Comment
Read comments
Jun 4 2011
  RSA617697  Ericameria parishii Scott D. White 1996-12-26 4645 Riverside San Jacinto Mountains: Bautista Canyon: along Bautista Canyon Rd, ca. 2 or 3 air mi. NW of junction with Tripp Flats Rd. 1037 Comment
  UCR140875  Ericameria parishii Chris E. True, Laurel Salzman 2004-8-20 s.n. Riverside San Jacinto Mtns., c. 1 km south of Twin Pines Ranch on USFS Rd 3S08, between Azalea and Twin Pines Creeks 1157 Comment
  SD67918  Ericameria parishii var. parishii Reid Moran 1968-8-3 15371 Riverside West slope of Santa Rosa Mountain, 1 mile west of summit 2100 Comment
  RSA552152  Erigeron bonariensis D. Charlton 1989-5-23 3238 Riverside Parking lot, University of California, Riverside Botanic Gardens. 732 Comment
  CAS-BOT-BC33495  Erigeron breweri var. jacinteus Harvey Monroe Hall 1901-6-1 2322 Riverside San Jacinto Mountains; near Tauquitz 2690 Comment
  SEINET7062959  Erigeron foliosus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  SEINET238534  Erigeron foliosus var. foliosus Mitch Provance 1998-6-11 651 Riverside Jurupa Mountains: NW Jurupa Mtns; S of the E extreme of Philadelphia St. 274 Comment
  UCR16872  Erigeron foliosus var. foliosus Kirk Taylor 1976-5-23 76-5-23- 12 Riverside Peninsular Range, Mesa de Colorado, 7 mi west of Murrieta on Tenaja Rd 549 Comment
  CLARK-A1528-540  Eriodictyon crassifolium Fred B. Essig 1967-3-23 Riverside San Jacinto River Comment
  POM3885  Eriodictyon crassifolium Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mts. Comment
  RSA516745  Eriodictyon crassifolium Ed LaRue 1989-4-25 s.n. Riverside 3 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA699816  Eriodictyon crassifolium Scott D. White, Michael Honer 2003-4-4 8945 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  CAS-BOT-BC189127  Eriodictyon crassifolium var. crassifolium Marian L. Campbell 1921-3-19 73 Riverside Palm Springs Comment
  SDSU13545  Eriodictyon crassifolium var. crassifolium C. Mosse with W. Miller 1972-7-20 Riverside Along road frm Royal Oak before Y in road, where old gate used to be. Comment
  CAS-BOT-BC248630  Eriogonum apiculatum James L. Reveal; Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north-northwest of Idyllwild, 8.9 miles north of the junction with Highway 74, and 1 mile south of Alandale Ranger Station Comment
  RSA393051  Eriogonum apiculatum N. R. Zabriskie, Walter M. Zabriskie 1969-9-20 234 Riverside Forest Service road to Deer Springs Trail beyond end of road up west bank Strawberry Creek, above Fern Valley Corners, Idyllwild 1982 Comment
  RSA393081  Eriogonum apiculatum Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
Read comments
Nov 6 2011
  RSA766437  Eriogonum apiculatum E. L. Peterson 1931-9-8 s.n. Riverside Ridge trail to Tahquitz Peak, along S side of Tahquitz Valley. San Jacinto Mts. 2439 Comment
  SBBG61841  Eriogonum apiculatum R. Hoffmann 1929-9-5 Riverside Strawberry Valley 2133 Comment
  SEINET3087129 Image available Eriogonum apiculatum Reid Moran 1973-7-28 21108 Riverside Toro Peak, Santa Rosa Mts. 2500 Comment
  UCR5710  Eriogonum apiculatum O. F. Clarke 1966-10-5 661005- 37 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  SEINET2055761 Image available Eriogonum baileyi var. baileyi A. C. Sanders, P. MacKay, T. Thomas, G.f. Prall, C. Pierce 1997-10-12 21586 Riverside Northern Mojave Desert; China Lake Naval Weapons Station, Argus Range, Bircham Springs Picnic area .Homewood Canyon) 1691 Comment
Read comments
Aug 28 2016
  CAS-BOT-BC242796  Eriogonum davidsonii Winifern W. Swarth 1914-9-7 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  SBBG1441  Eriogonum davidsonii H. and M. Dearing 1940-6-8 4344 Riverside Box Cyn, near Mecca Comment
  UCR60526  Eriogonum davidsonii B. A. Prigge 1980-8-25 4021 Riverside San Jacinto Mtns, San Gorgonio Pass: 1 mi SE of Fingal siding, So. Pacific RR 445 Comment
  RSA561413  Eriogonum elongatum Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7680 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA789366  Eriogonum fasciculatum Aaron C. Sedgwick, David Fraker 2012-3-28 42 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SDSU6576  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 278 Riverside Along road, South side of Lake Matthews. Comment
  SEINET6418379  Eriogonum fasciculatum var. foliolosum T. Reeves 1978-5-13 6894 Riverside San Jacinto Mtns. Foothills SE of Banning. Access via Westward Ave. 671 Comment
  HSC47417  Eriogonum fasciculatum var. polifolium Richard Spjut, C. E. Edson 1978-5-5 5016 Riverside W margins of Colorado Desert, along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. Comment
  POM2235  Eriogonum fasciculatum var. polifolium I. M. Johnston 1917-6-5 1240 Riverside Hills south of Arlington 366 Comment
  RSA543144  Eriogonum fasciculatum var. polifolium Steve Boyd 1991-3-17 5498 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA33368  Eriogonum gracile var. gracile N. C. Cooper 1943-9-26 929 Riverside Cabazon. 610 Comment
  UC64567  Eriogonum inflatum var. deflatum H. M. Hall May 17 1901-Jun 1 1901 1834 Riverside e base of San Jacinto Mt. San Jacinto Mt. 609 Comment
  UCR1052  Eriogonum inflatum var. deflatum Christine Dorn 1971-4-15 s.n. Riverside Sonoran (Colorado) Desert, 5 miles east of Desert Hot Springs 396 Comment
  UCR18179  Eriogonum maculatum A. C. Sanders 1978-4-30 554 Riverside Santa Rosa Mtns, Pinyon Flat area; at the dolomite mine at the west end of the Cactus Springs Trail 1189 Comment
  JOTR35375  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
  RSA772136  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4977 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UCR5712  Eriogonum pusillum Frank C. Vasek 1960-3-17 600317- 04 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  CAS-BOT-BC253022  Eriogonum reniforme Alice Eastwood 1913-4-30 3075 Riverside Palm Springs Comment
  CLARK-A1528-746  Eriogonum thomasii Charlotte Stocks 1963-3-21 Riverside Coachella Comment
  SD174876  Eriogonum thomasii Mark A. Elvin 2005-4-26 4225 Riverside Coachella Valley; N of Agua Caliente Indian Reservation, N of Ramon St. 3km NW of thousand Palms 182 Comment
  SJSU8835  Eriogonum thomasii T. N. Seeno 1963-4-12 280 Riverside Coachella Valley c. 10 mi N of Palm Springs 426 Comment
  RSA543833  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA700955  Eriogonum thurberi Gary D. Wallace 1982-5-15 2002 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  UCR139377  Eriogonum thurberi I. M. Johnston 1917-4-4 s.n. Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR207565  Eriogonum thurberi O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR114942  Eriogonum umbellatum var. munzii 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
  UC454346  Eriogonum wrightii I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  CAS-BOT-BC264929  Eriogonum wrightii var. membranaceum H. M. Hall 1901-7-1 2608 Riverside Strawberry Valley 1828 Comment
  UCR250710  Eriogonum wrightii var. nodosum John F. Emmel 1985-10-23 977 Riverside Southern Mojave Desert, Coxcomb Mountains, 0.1-0.2 air mi west-northwest of Peak 4416 1311 Comment
  UCR35083  Eriogonum wrightii var. nodosum L. B. Ziegler 1969-10-22 395 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  UC52239  Eriogonum wrightii var. subscaposum H. M. Hall 1897-8-11 816 Riverside ridge near Surprise Lake; San Jacinto Mountains 2743 Comment
  RSA688836  Eriophyllum multicaule Scott D. White, Michael Honer 2003-6-17 9545 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCD132129  Eriophyllum multicaule J. C. Roos 1948-5-22 3866 Riverside San Timoteo Canyon, south of Redlands. Comment
  UCR103909  Eriophyllum multicaule B. G. Pitzer 1997-4-11 3110 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  JOTR32130  Eriophyllum pringlei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2286 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  JEPS16684  Eriophyllum wallacei Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4042 Riverside 3 mi n Shavers Summit (gravel of wash close to head of Lost Palms Canyon); Joshua Tree National Monument 762 Comment
  POM358159  Eriophyllum wallacei Norman C. Cooper 1944-3-25 1022 Riverside Morongo Pass. 457 Comment
  SFV3902  Eriophyllum wallacei P. G. Kilburn 1958-5-16 808 Riverside San Jacinto Mountains Pinyon Flat Campground, 12 miles south of Palm Desert. 1220 Comment
  UC1118232  Eriophyllum wallacei H. S. Yates 1936-4-7 5427 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  RSA0013157  Erodium cicutarium LeRoy Gross, Caitlin Elam 2013-5-14 6064 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR174301  Erodium cicutarium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32653 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR41361  Erodium cicutarium N. M. Fellows 1985-3-3 89 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCR89653  Erodium cicutarium Bern Schwenn 1994-3-23 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Hexie Mtns: E side of Pleasant Valley on south side of Mtns, along road between Hershey Mill Site and El Dorado Mine 976 Comment
  CAS-BOT-BC54334  Erysimum capitatum Noel Herman Holmgren; Liew Fah Seong 1969-6-17 3581 Riverside San Jacinto Mountains, Black Mountain, campground at turnoff to a lookout tower. Comment
  RSA0016060  Erythranthe breweri N. C. Cooper 1944-7-16 1567 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  SDSU14082  Erythranthe guttata Joel Tracey 2002-4-20 10 Riverside Santa Margarita Ecological Reserve, 0.2 miles east from parking area intersecting Santa Margarita River and Northside Field Station road, small pond within river formed by rock basin. 252 Comment
  RSA0014881  Erythranthe primuloides Gary D. Wallace 2003-7-8 4033 Riverside Hidden Lake. Comment
  RSA0014890  Erythranthe tilingii Charlotte M. Wilder s.n. Riverside Tahquitz. San Jacinto Mountains. Comment
  RSA0022938  Eschscholzia androuxii P. A. Munz, Percy C. Everett 1952-5-2 16244 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  RSA0022937  Eschscholzia androuxii Robert F. Thorne, Raymond Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55436 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UC68548  Eschscholzia californica H. M. Hall 1905-4-13 5753 Riverside Beaumont Comment
  UCR274075  Eschscholzia californica T. B. Salvato, Gregg Miller 2005-6-7 1432 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  JEPS51695  Eschscholzia minutiflora W. L. Jepson 1927-4-12 11653 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA779722  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  RSA0011218  Eschscholzia minutiflora Richard Snow 1953-4-5 51 a Riverside Box Canyon. Comment
  SEINET10904735  Eschscholzia minutiflora Noel H. Holmgren, Patricia K. Holmgren 1973-3-21 Holmgren 6449 Riverside Blythe-rice rd, 17 airline mi n-nw of blythe. T4s, r21e, sec13. Locally common in gravelly wash banks. 259 Comment
  RSA0022916  Eschscholzia parishii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  RSA445453  Eschscholzia parishii Christopher Davidson 1979-4-4 7714 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  SEINET3094859 Image available Eschscholzia parishii Norman C. Cooper 1949-4-8 3251 Riverside Mecca Pass east of Indio. Comment
  OBI38361  Eucalyptus rudis Alden Kelly 1986-3-17 s.n. Riverside Edgemont area of Moreno Vallye, from planting along W side of hwy 215 at Eucalyptus Ave, row runs ca 1 mi along 215 457 Comment
  UCR199790  Eucalyptus tereticornis Scott D. White, Justin M. Wood 2008-6-24 12282 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  UC1719475  Eucrypta chrysanthemifolia D. Atwood 1993-3-26 17675 Riverside 3 mi N of I-10 along Hwy 62 to Morongo Valley Comment
Read comments
Dec 18 2016
  RSA75988  Eucrypta chrysanthemifolia var. bipinnatifida F. W. Peirson 1919-4-13 972 Riverside Tahquitz Canyon, near Palm Springs. Comment
Read comments
Sep 18 2011
  RSA777156  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, S. G. Jett 2008-3-20 11834 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  SD241045  Eucrypta micrantha Dave Silverman, Onkar Singh 2010-3-27 7865 Riverside McCoy Wash, N of Palo Verde Mesa, 5.3 km W of Mesaville siding, W of A Canal/Levee Blvd, and ca. 7 km N of Blythe Airport. 135 Comment
  UCR279325  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-23 42917 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
  UC668395  Eulobus californicus Annie M. Alexander and Louise Kellogg 1941-4-22 2058 Riverside Morongo Valley Gorge 701 Comment
  UCR120909  Euphorbia albomarginata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24947 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR121305  Euphorbia albomarginata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25018 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  UCR140445  Euphorbia albomarginata A. C. Sanders 2004-4-9 27464 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA0002689  Euphorbia eremica W. L. Jepson 1914-5-23 6047 Riverside Conchilla Desert 61 Comment
  UC187061  Euphorbia eriantha S. B. and W. F. Parish Apr 1882 Riverside mountains back of Agua Caliente Colorado Desert (Andreas Canyon) Comment
Read comments
Jul 15 2009
  UCD142574  Euphorbia micromera Jon M. Stewart 1989-10-17 617 Riverside Bradshaw Trail, ca. 10 mi. W of Wiley's Well. Comment
  UCR282351  Euphorbia micromera Mitch Provance, Scott Duff 2017-9-7 917- 06 Riverside Colorado Desert, Thousand Palms, SCE corridor, 0.3 miles south of Ramon Substation 59 Comment
  RSA701157  Euphorbia polycarpa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11259 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  SDSU12861  Euphorbia polycarpa Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998J Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet southwest on road to switchback, southwest of bend in road. 262 Comment
  SEINET10739816  Euphorbia polycarpa Lewis S. Rose 1935-12-19 Rose 35663 Riverside Colorado Desert, Palm Springs, CA. 133 Comment
  UCR230600  Euphorbia serpens A. C. Sanders 2011-9-15 39897 Riverside Sonoran (Colorado) Desert, 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
  RSA356989  Euphorbia spathulata R. F. Thorne 1973-5-23 43862 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  POM320335  Euthamia occidentalis Patricia Wilder 1970-10-30 4827 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  UC31887  Euthamia occidentalis E. L. Koethen 1897-10-16 Riverside Riverbottom, West Riverside Comment
  SEINET8720621 Image available Fagonia chilensis Helen K. Sharsmith 1952-1 4062 Riverside Larrea-Olneya association. Northwest base of Chuckawalla Mountains seven miles south of Highway 60-70. 533 Comment
  CAS-BOT-BC167367  Fagonia laevis Peter H. Raven 1958-1-23 11433 Riverside Desert alluvial fan of Fargo Canyon Comment
  LA209847  Fagonia laevis N. Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  RSA123084  Fagonia laevis H. S. Yates 1936-4-7 5445 Riverside 8 mi. N of Mecca. 457 Comment
Read comments
Dec 15 2011
  RSA391192  Fagonia laevis N. R. Zabriskie, W. M. Zabriskie 1972-3-28 485 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
  RSA576025  Fagonia laevis Christopher Davidson 1979-4-4 7705 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  UC1212089  Fagonia laevis Peter M. Ray 1949-3-6 1328 Riverside near 1000 Palms (Willis Palms); Coachella Valley Comment
  UCR233184A  Fagonia laevis Jim Andre, Glenn L. Clifton 2011-2-22 17421 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UCR245241  Fagonia laevis Jim Andre 2012-3-19 21332 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
  SEINET8564467  Fagonia laevis N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-3-20 6409 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  UCR208455  Fagonia pachyacantha Scott D. White, Justin M. Wood 2009-3-24 12573 Riverside Colorado Desert, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy 27 Comment
  UCR233167A  Fagonia pachyacantha Jim Andre, Glenn L. Clifton 2011-2-22 17444 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR260260  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  UCR91279  Festuca myuros Scott D. White 1995-4-5 2762 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA0123281  Festuca octoflora Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8994 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR279237  Festuca octoflora Ginny Short 2017-3-17 002 Riverside Coachella Valley, Indio Hills, near Moon Country Trail, c. 0.8 mile west of Thousand Palms Canyon Road and 2.4 miles north of El Ramon Road 247 Comment
  SEINET10516217  Festuca ovina David B. Dunn, Shogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3705 Riverside Pushawalla; in the wash Indio Hills, Colorado Desert. Comment
  SBBG125908  Ficus palmata A. C. Sanders with R. E. Riefner Jr. 2009-8-11 37152 Riverside Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  POM47488  Filago californica Mary F. Spencer 1920-3-28 1630 Riverside In desert sand near Palm Springs Comment
Read comments
Aug 27 2011
  RSA594044  Filago californica D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 C Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR37452  Filago californica Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  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
  RSA737107  Frankenia salina Justin M. Wood 2008-10-29 210 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  UCR139625  Frankenia salina A. C. Sanders 2004-7-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  CAS-BOT-BC211016  Fraxinus velutina Winfield 1975-4-17 2399 Riverside West end Fairmont Park - Riverside Comment
  UCR65285  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3894 A Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA3963  Funastrum cynanchoides var. hartwegii C. B. Wolf 1932-4-29 3102 Riverside mesas at Western edge of Maria Mts., eastern Colorado Desert, 20 mi. from Blythe on Rice road. 152 Comment
  RSA458585  Funastrum cynanchoides var. hartwegii A. Menke 1955-4-25 s.n. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
  POM184548  Funastrum hirtellum C. L. Hitchcock 1932-4-7 12199 Riverside Corn Springs. Comment
  RSA171053  Funastrum hirtellum R. F. Thorne 1963-3-29 32430 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 533 Comment
Read comments
Apr 24 2011
  UCR213441  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37829 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  JEPS29515  Galium angustifolium subsp. angustifolium Lauramay T. Dempster 1962-4-17 1890 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  SDSU14282  Galium angustifolium subsp. angustifolium Ryan Jacobson, Jeremy Mass 2000-4-19 7 Riverside Santa Margarita Ecological Reserve. Near banks west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  JEPS54620 Image available Galium angustifolium subsp. jacinticum L. T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside 0.9 mi above junction with road to Pine Wood (Black Mountain road); San Jacinto Mts.; Black Mt. road, San Jacinto Mts., Riverside Co. 1981 Comment
  SEINET7048169  Galium angustifolium subsp. jacinticum Steven R. Hill 2001-5-3 33675 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  POM367763  Galium aparine N. C. Cooper 1944-6-17 1376 Riverside San Jacinto Mtns. West side. 1372 Comment
  UC666413  Galium aparine Annie M. Alexander and Louise Kellogg 1941-5-3 2108 Riverside 13 mi ssw 29 Palms (near the well); Joshua Tree National Monument 1371 Comment
  UCR107410  Galium aparine B. G. Pitzer 1997-3-23 2967 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
  UCR147554  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1285 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  CLARK-A1528-3953  Galium parishii John C. Roos 1936-9-15 2510 Riverside San Jacinto Mountains Comment
  UCR34932  Gamochaeta pensylvanica L. B. Ziegler 1977-3-20 560 Riverside Cismontane; San Jacinto Valley, City of San Jacinto 473 Comment
  UCR193412  Gayophytum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35631 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
  OBI5804  Gayophytum heterozygum Carl B. Wolf 1932-8-4 3912 Riverside San Jacinto Mts. Point View near Idyllwild 1646 Comment
  RSA678930  Gazania linearis Scott D. White, Michael Honer 2003-6-3 9473 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
Read comments
Nov 8 2011
  RSA0108940  Geraea canescens Duncan S. Bell, Amanda Bell 2012-1-28 3070 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  SEINET4344937 Image available Geraea canescens Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UCR133125  Gilia A. C. Sanders 1985-5-4 5778 Riverside Santa Rosa Mtns, Hwy 74 at Santa Rosa Mountain Rd. 1402 Comment
  UCR252001  Gilia A. C. Sanders, T. B. Salvato 2014-7-2 41175 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA67094  Gilia angelensis Verne Grant 1949-4-27 8700 Riverside 6 miles from Lake Elsinore on Perris-Elsinore rd. Comment
  UCR137504  Gilia angelensis D. L. Banks, V. W. Steinmann 1997-3-13 1453 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR213626  Gilia angelensis A. C. Sanders, Matthew Malle 2010-4-23 37998 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR261418  Gilia angelensis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41429 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
  UCR22023  Gilia australis Steve Boyd 1980-5-15 278 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR52586  Gilia australis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  RSA71798  Gilia capitata subsp. abrotanifolia F. W. Peirson 1924-7-29 5034 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  SJSU11612  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 5 mi E of E shore, Lake Elsinore Comment
  UC126043  Gilia diegensis D. Cleveland 1882-5-3 Riverside Temecula Comment
  JEPS4070  Gilia ochroleuca subsp. exilis W. L. Jepson 1901-5-20 1316 Riverside Thomas Valley San Jacinto Mts., Thomas Valley Comment
  RSA0016299  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-28 5025 Riverside Temescal Canyon. Comment
  RSA0016294  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-19 1703 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  JOTR30237  Gilia sinuata Leary, C. and Leary, Pat 1979-5-5 3000 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. Comment
  SEINET4042358  Gilia splendens C. Davidson 1975-1 2813 Riverside 5.4 miles north of alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  JEPS119482  Gilia stellata Clark Cowan 1978-4-23 1176 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Comment
  JOTR35218  Gilia stellata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3642 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash (Stop 3) Comment
  RSA234103  Gilia stellata R. F. Thorne, R. Carolin 1967-3-21 41631 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA516873  Gilia stellata Steve Boyd, B. Roy, T. S. Elias, Sara Meury, S. Zona 1986-3-5 13511 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  SJSU8425  Gilia stellata G. B. Youngberg 1956-3-28 199 Riverside Palm Canyon near Palm Springs 137 Comment
  RSA445520  Glaucium flavum Donald A. Johansen 1933-7-14 710 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  POM48365  Glyceria striata P. A. Munz, I. M. Johnston 1924-7-27 8784 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA502197  Gnaphalium chilense Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3705 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  JEPS34073  Gnaphalium palustre Carl V. Meyer 1928-7-27 562 Riverside moist open floor of Round Valley San Jacinto Mountains, Round Valley 2743 Comment
  RSA741076  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12153 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR172230  Gnaphalium palustre 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
  UCR21313  Gnaphalium stramineum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR22145  Gnaphalium stramineum Steve Boyd 1980-7-12 335 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 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
  UCR182163  Gutierrezia sarothrae Mitch Provance 2003-4-5 6612 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  CLARK-A1528-233  Haplopappus palmeri Oscar F. Clarke 1969-10-14 Riverside University of California Comment
  SEINET3242789 Image available Harpagonella palmeri D. Bramlet 1993-1 2301 Riverside Siegal Ranch Road approximately 120 m south of Cajalco Road and 1 km east of the intersection of Cajalco Rd. and Sierra Ave. The site was located some 180 m west of Siegal Ranch Road. Comment
  UCR217646  Harpagonella palmeri Jeff B. Galvin 2010-3-25 120 Riverside Perris-Aguanga Basin, West of Lake Matthews, south of Cajalco Road. Just east of small riparian woodland. Northwest side of a clay hill. 430 Comment
  RSA761939  Hazardia squarrosa var. grindelioides Robt Allen, Linnell R. Allen, Charles Allen 2005-10-9 12528 Riverside El Cariso, junction of North Maine Divide Road (3S04) with Ortega Hwy (SR74), SW corner. 795 Comment
  UCR225448  Hedypnois cretica A. C. Sanders 2011-3-29 38836 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  SEINET1004359  Hedysarum carnosum Walter Graves 2003-1 530 -4 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q) 305 Comment
  POM2873  Helianthemum scoparium var. aldersonii P. A. Munz 1918-4-27 2137 Riverside Temescal Canyon Comment
  JEPS16500  Helianthus gracilentus Peter H. Raven, S. R. Snow 1956-7-6 9660 Riverside Vandeventer Flat San Jacinto Mountains Comment
  POM13920  Helianthus gracilentus E. C. Jaeger 1921-6-13 s.n. Riverside Base of McMullen Trail [Banning to McMullen Flat] 823 Comment
Read comments
Nov 5 2011
  SDSU12916  Helianthus gracilentus Jutta Buschbom 1991-6-20 18 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  RSA105846  Helianthus niveus subsp. canescens Richard Mallory 1955-4-6 477 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
Read comments
Feb 19 2013
  RSA781527  Heliotropium convolvulaceum var. californicum Duncan S. Bell 2010-5-1 874 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA783522  Heliotropium curassavicum J. D. Olmsted 1959-8-18 793 Riverside Along Saun Meadow Road at Northeast corner of Football field, Desert Sun School near Idyllwild. San Jacinto Mt. Range. 1646 Comment
  UC1063894  Heliotropium curassavicum A. Lewis May 1934 464 Riverside Temecula R. Elsinore Quad., Temecula R. 365 Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR133679  Hemizonia fasciculata John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR136201  Hemizonia fasciculata A. C. Sanders 2004-6-20 28221 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
  UCR89824  Hemizonia fasciculata Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR256779  Hemizonia kelloggii T. B. Salvato, Matthew Malle 2013-5-20 7578 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
  UCR94883  Hemizonia kelloggii P. J. MacKay, R. Baxter 1996-10-3 24 Riverside Menifee Valley, NW corner of Hwy 215 and Newport Road. 434 Comment
  IRVC29264  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Moreno Valley 534 Comment
  RSA554220  Hemizonia paniculata A. C. Sanders 1991-7-19 11155 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  UCR151206  Hemizonia paniculata Scott D. White 1999-10-7 7625 Riverside Peninsular Ranges; Perris-Agunanga Basin Region, Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway 534 Comment
  UCR166795  Hemizonia paniculata R. E. Riefner Jr. 2004-8-27 04- 398 Riverside N of La Sierra Heights; NE (c. 0.25 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 221 Comment
  RSA450756  Hemizonia pungens subsp. laevis J. C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  UCR68035  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2056 Riverside SE corner of Ramona Expressway and Warren Ave. 490 Comment
  UCR68038  Hemizonia pungens subsp. laevis D. E. Bramlet 1989-8-7 1938 Riverside SW of corner of Lake Elsinore, 700 m NW of Rome Hill, just off private drive (Lucerne St?), c. 400m east of Grand. 428 Comment
  JEPS61976  Hesperocallis undulata Marjorie D. Clary 1932-4-13 1592 Riverside Colorado Desert, Coachella Valley, Mecca Coachella Valley; Colorado Desert, , Mecca -60 Comment
  UCR214566  Hesperocallis undulata A. C. Sanders 2010-3-15 37406 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  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
  SEINET5641188  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  POM47433  Heterotheca fastigiata Mary F. Spencer 1919-7-8 1268 Riverside Edge of woods, Idyllwild, San Jacinto Mts 1616 Comment
  UC31137  Heterotheca sessiliflora subsp. echioides Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC26196  Heterotheca sessiliflora var. sanjacintensis J. C. Semple; J. Chimielewski 1987-9-30 8982 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  UCR23297  Heterotheca villosa var. scabra John C. Roos, Lucille Roos 1950-10-21 5011 Riverside Mojave Desert, Little San Bernardino Mountains, Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  LA205887  Hibiscus denudatus Norman C. Cooper; 1944-4-8 1072 Riverside Andreas Canyon 304 Comment
  POM13900  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4832 Riverside South base of Eagle Mountains 213 Comment
  LA45783  Hoffmannseggia microphylla Carl Epling; William Robison, William Stewart 1936-3-22 sn Riverside Painted Canyon, near Mecca Comment
  RSA588185  Hoita macrostachya D. L. Banks, Victor W. Steinmann 1995-7-10 0750 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 609 Comment
  SD187402  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR49372  Holocarpha virgata subsp. elongata S. J. Myers 1987-9-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, intersection of Corona Calle Camino and El Cerezo Rd, immediately south of Redonda Mesa Comment
  UCR220341  Hordeum D. E. Bramlet 1991-5-7 2122 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA768584  Hordeum brachyantherum Justin M. Wood 2010-4-13 1463 -B Riverside City of Corona: Small tributatry to Temescal Wash, 0.5 miles NW of Auburndale St near Flood Control Dike. 165 Comment
  UCR123694  Hordeum intercedens D. E. Bramlet 1998-4-22 2602 a Riverside Peninsular Range, E. French Valley-Domenigoni Valley. 396m E. of Winchester Road and 1.68 km south of Holland Road. The meadow is 61m west of the San Diego canal, in the area of the canal bridge road. 450 Comment
  UCR26284  Hordeum intercedens John C. Roos 1952-4-23 5571 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 427 Comment
  UCR241401  Hordeum marinum T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7452 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA747514  Hordeum murinum Justin M. Wood 2009-3-10 348 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  RSA594520  Hordeum murinum subsp. leporinum D. L. Banks, Rashmi Pant 1996-5-13 1025 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station;, (100 m E of where Hwy. 79 leaves the Forest Service Boundary). On the S side of Hwy. 79. T8S R1W; Just N of the NE 1/4, NW 1/4 of sec. 23. 487 Comment
  SD132485  Hordeum murinum subsp. leporinum Oscar F. Clarke 1973-3-21 Riverside Weed at the O.F. Clarke residence, 1012 Spruce Street, Riverside Comment
  CAS-BOT-BC201089  Hosackia crassifolia Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  CAS-BOT-BC201091  Hosackia crassifolia Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  SBBG3446  Hosackia oblongifolia var. oblongifolia Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UCR186852  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah M. Siedschlag 2006-5-22 1681 Riverside San Jacinto Mountains, On road that leads to Duchess Canyon, east of Fobes Ranch 1677 Comment
  UCSB26725  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. 1645 Comment
  RSA663893  Hymenoclea salsola C. R. Annable 1995-3-10 2263 Riverside 1.6km S of Lake Cahuilla County Park. Comment
  RSA657673  Hypochaeris radicata Michael J. Graeser 1988-5-12 37 Riverside Soquel Canyon. Intersection of Coronet and Woodview. SE corner. Comment
  CAS-BOT-BC158106  Hyptis emoryi W. R. O. 1974-6-28 0415 Riverside West Riverside Mnts in pass area Comment
  CAS-BOT-BC219756  Hyptis emoryi Barbara Ertter; Jeffrey Strachan 1980-5-20 3478 Riverside Highway 74 (Pines to Palms Highway) near Black Hill between Palm Desert and Santa Rosa Mt 914 Comment
  CAS-BOT-BC219774  Hyptis emoryi D. E. Breedlove 1962-3-11 1884 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  RSA420164  Hyptis emoryi Christopher Davidson 1979-4-4 7686 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  UCR233154A  Hyptis emoryi Jim Andre, Glenn L. Clifton 2011-2-22 17458 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR132779  Ipomoea triloba S. J. Myers 1996-11-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, near Auto Center Drive east of RR and of Indio Blvd. -6 Comment
  POM319719  Isocoma menziesii Patricia Wilder 1971-2-4 4915 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  RSA545385  Isoetes howellii Robert F. Thorne 1975-5-20 45542 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  UCSB52655  Isoetes howellii Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  UC447187  Isomeris arborea J. Ewan 1931-4-2 9101 Riverside 10 mi n Edom Comment
  UC76429  Iva axillaris subsp. robustior Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  RSA499249  Ivesia santolinoides E. C. Jaeger s.n. Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
  POM115620  Ivesia saxosa A. M. Alexander, Louise Kellogg 1941-5-6 2125 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  RSA182247  Ivesia saxosa James Henrickson 1965-6-8 2000 Riverside In Joshua Tree Nat. Monument, 3/4 mi. NW of Hidden Valley 1280 Comment
  CAS-BOT-BC110073  Juncus acutus Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR80816  Juncus balticus Scott D. White 1993-5-29 1484 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA586248  Juncus bryoides Darin L. Banks 1995-4-11 167 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, E of the Dripping Springs Trail. 950 Comment
  UCR230597  Juncus bufonius A. C. Sanders, T. B. Salvato 2011-4-1 38960 Riverside Peninsular Range, Lake Elsinore, NE of Baker St. along Temescal Wash, 0.45 km NW of Hwy 74 386 Comment
  UCR76173  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA500202  Juncus bufonius var. bufonius Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3541 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR180060  Juncus bufonius var. congestus Mitch Provance 2005-5-18 9815 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
  RSA0062498  Juncus macrophyllus J. M. Andre 2012-6-15 30519 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA675699  Juncus mexicanus Scott D. White 2001-5-1 8435 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  RSA368067  Juncus oxymeris H. de Forest, Jack Rempel 1932-10-22 s.n. Riverside Pines to Palms Highway. Comment
  SEINET1908445  Juncus rugulosus A. C. Sanders, Mitch Provance 2008-1 35777 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
  UC489197  Juncus rugulosus C. V. Meyer 1928-7-30 595 Riverside Saunders Meadow 1676 Comment
  UCR116688  Juncus rugulosus George K. Helmkamp 1974-7-14 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  SEINET10613918 Image available Juncus tiehmii Barbara J. Ertter, Jeffrey Strachen 1979-6-26 Ertter 2971 Riverside Moist sand of large wash behind Kenworthy Ranger Station, near Route 74 in Hemet Valley, San Jacinto Mountains, San Bernardino Nat'l Forest. 762 Comment
  POM229010  Juncus xiphioides Phillip A. Munz 1937-5-30 15130 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  CLARK-A1656-721  Juniperus californica unknown 1981-3-14 Riverside Coachella Valley Comment
  RSA0097946  Juniperus californica Duncan S. Bell 2014-11-14 7727 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA398815  Justicia californica Robert M. Perkins, H. de Forest 1937-3-15 387 Riverside 20 miles east of Desert Center. Comment
  RSA402298  Justicia californica E. Crow 1929-2-24 173 Riverside Andreas Canyon, S of Palm Springs, Colorado Desert. Comment
  RSA487532  Justicia californica B. Pitzer 1988-3-10 640 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SBBG68769  Justicia californica R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn, 11 mi S of Palm Springs Comment
  UC951235  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Palm Springs, Tahquitz Wash 138 Comment
  JOTR01220  Justicia californica Cole, James E. 1941-3-30 455 Riverside Joshua Tree National Park. COTTONWOOD SRRING WASH Comment
  SEINET5778644 Image available Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs Comment
  RSA780238  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-12 95 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UCR242299  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40425 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  CAS-BOT-BC235494  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains: mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  RSA68309  Keckiella antirrhinoides G. R. Campbell 1951-5-30 16112 Riverside 9 miles west of Anza. 1067 Comment
  SD143711  Keckiella antirrhinoides Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20698 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek below the confluence with Brown Crk. 854 Comment
  UCR108155  Keckiella antirrhinoides var. antirrhinoides B. G. Pitzer 1997-3-23 2956 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
  UCR101549  Keckiella cordifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22221 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  CAS-BOT-BC246207  Keckiella rothrockii S. B. Parish; W. F. Parish 1880-7-1 473 Riverside San Jacinto Mt. Comment
  CDA3136  Kochia scoparia Scott D. White 1998-7-4 6846 Riverside Corona: River Road bridge over the Santa Ana River. Comment
  RSA802133  Koeleria macrantha Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5016 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCD85823  Koeleria macrantha Peter Kamb 1948-7-10 1187 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  UCR2487  Koeleria macrantha F. M. Reed 1928-7-10 5989 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  LA205733  Krameria bicolor A. W. Haupt; April 1926 sn Riverside Palm Springs Comment
  RSA0123997  Krameria erecta Duncan S. Bell, Thomas Stoughton 2016-4-12 9234 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  UC1329992  Krameria erecta James E. Cole 1941-5-21 760 Riverside Cottonwood Road Dale (Joshua Tree National Monument); , Dale 914 Comment
  JOTR01074  Krameria grayi Cole, James E. 1941-5-22 768 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  CAS-BOT-BC272429  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Harford Springs County Park, Gavilan Plteau, Gavilan Hills 640 Comment
  SEINET5560172  Lamarckia aurea H. S. Gentry 1973-1 22192 Riverside Gentry ranch, 3.5 miles NE of Murrieta. 396 Comment
  UCR167434  Lamarckia aurea John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  RSA468353  Langloisia setosissima subsp. setosissima Christopher Davidson 1979-4-4 7677 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA796029  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-18 235 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  JEPS83151  Larrea tridentata R. P. Allen 1935-3-22 188 Riverside Garnet Comment
  LA209859  Larrea tridentata A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  SEINET4557743  Larrea tridentata Naomi Fraga, David Fraker, Tommy Stoughton 2012-1 3956 Riverside Mojave Desert; southcentral Mojave Desert region: off of Box Canyon Rd. S. of Shaver well on an alluvial plain 323 Comment
  UCR228402  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-30 105 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  SD152780  Lastarriaea coriacea Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7364 Riverside San Mateo Canyon Wilderness area, Los Alamos Canyon at mouth of Wild Horse canyon 410 Comment
  SEINET7063456  Lastarriaea coriacea A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  POM361517  Lasthenia californica E. Crow 1929-4-7 310 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  CAS-BOT-BC352914  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside Slopes 4 miles N of Whitewater Comment
  UC63212  Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside s side of Box Spring Mt.; Riverside 426 Comment
  UC665882  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside 4 mi n of Whitewater Comment
  UCR91276  Lasthenia coronaria Scott D. White 1995-4-5 2742 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR104636  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1996-4-12 2452 Riverside San Jacinto Wildlife Area. 46m S and 23m west of the N end of Pond No. 1. 1.4 km NE of the reserve at Davis rd. 433 Comment
  UC218251  Lasthenia gracilis P. A. Munz and I. M. Johnston 1922-3-20 5452 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1371 Comment
  UCR172209  Lasthenia gracilis 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
  CAS-BOT-BC361118  Lasthenia microglossa Peirson 1919-4-14 s.n. Riverside Murray Canon 487 Comment
  CAS-BOT-BC320797  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  UCR112395  Layia platyglossa A. C. Sanders, K. C. Rose 1998-5-21 21856 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
  RSA0001369  Layia ziegleri L. B. Ziegler 1966-6-1 s.n. Riverside Between Mountain Center and Keen Camp summit, San Jacinto Mts. 1448 Comment
  CLARK-A1528-70  Leersia oryzoides John C. Roos, Lucille Roos 1951-10-24 5345 Riverside Riverside 259 Comment
  UCR245663  Lepidium fremontii var. fremontii Duncan S. Bell 2010-4-2 691 Riverside Arica Mountains: along the ridgeline of the mountain range about 0.3 air mile north of the summit 561 Comment
  POM47689  Lepidium lasiocarpum Mary F. Spencer 1920-3-22 1486 Riverside Palm Springs 122 Comment
  RSA457763  Lepidium lasiocarpum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2122 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  UCR20694  Lepidium lasiocarpum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1300 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  JOTR30320  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1765 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  UCR60544  Lepidium nitidum K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 898 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  SDSU18382  Lepidium nitidum var. nitidum C. Matt Guilliams 2008-2-21 459 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. 418 Comment
  UCR26523  Lepidium pinnatifidum A. C. Sanders, S. Hagopian 1981-5-20 1258 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  RSA429667  Lepidium virginicum var. pubescens N. C. Cooper 1944-6-16 1390 Riverside San Jacinto Mountains, west side. 1372 Comment
  RSA575922  Lepidospartum squamatum Steve Boyd 1994-10-14 8386 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  UCR136318  Lepidospartum squamatum Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA500977  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3182 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM99002  Lesquerella tenella E. C. Jaeger 1926-4-1 s.n. Riverside Pinto Valley, Eastern Riverside County. Comment
  RSA125202  Lessingia glandulifera var. glandulifera E. K. Balls, P. C. Everett 1957-8-20 22678 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  SEINET11810766  Lessingia glandulifera var. glandulifera Unknown 1960-1 583 Riverside 4.7 mi E of Anza on road to Santa Rosa Summit 1372 Comment
  CAS-BOT-BC283712  Leymus condensatus E. W. Lathrop 1966-5-25 6338 Riverside 5 miles NW of Murrieta Comment
  UC38169  Leymus condensatus H. M. Hall May 1899 1218 Riverside Smith Mt. San Jacinto Mountains Comment
  SD229045  Lilium parryi Dick Schwenkmeyer 2012-8-28 818 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UCR91369  Linanthus androsaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3941 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore. c. 1 road mi east of Bundy Canyon Road exit from Hwy I-15 freeway. south of road. 451 Comment
  UCR49262  Linanthus androsaceus subsp. micranthus Steve Boyd 1986-4-2 1631 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  PASA744  Linanthus bigelovii 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
Read comments
Aug 27 2016
  HSC101578  Linanthus californicus Steve Boyd, Susan Jett 2008-3-20 11829 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  RSA651711  Linanthus californicus Diane M. Ramirez 1983-5-1 6 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  CLARK-A1045-673  Linanthus ciliatus George K. Helmkamp 1977-5-21 Riverside San Jacinto Mountains forest west of Pine Cove; Palm Springs 15'Q Comment
  UC909126  Linanthus dianthiflorus Frank W. Peirson 1922-4-30 2930 Riverside road from Temecula River to Hemet Comment
Read comments
Mar 24 2011
  UCR227588  Linanthus dianthiflorus Duncan S. Bell, Valentin Arvizu 2010-5-24 1106 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  POM364714  Linanthus jonesii N. C. Cooper 1949-4-8 3319 Riverside Desert Center. 609 Comment
  RSA776290  Linanthus jonesii Duncan S. Bell, Amanda Turek 2010-4-10 834 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UC718500  Linanthus lemmonii Carl B. Wolf 1937-4-5 Riverside 1 mi w Whitewater; San Gorgonio Pass 365 Comment
  UCR62097  Linanthus lemmonii G. R. Ballmer 1990-5-6 s.n. Riverside Vicinity of Crown Valley: south of Domenigoni Valley & N (&W) of Rawson Canyon, where a little road goes into hills from Newport Road. 549 Comment
  RSA572985  Linaria canadensis var. texana Steve D. Boyd 1986-4-19 1702 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UC1618029  Linum lewisii Donald G. Nelson 1936-5-21 377 Riverside e of Lake Hemet (just e of Hurkey Creek Camp area, and n of Mount Thomas) Comment
  UCR280818  Lithophragma affine Mitch Provance 2017-5-4 517- 51 Riverside San Jacinto Mountains, Idyllwild, near corner of Canyon Dr. and Marian View Dr. 1585 Comment
  UCR35278  Lithophragma affine subsp. mixtum L. B. Ziegler 1972-4-7 444 Riverside San Jacinto Mtns., canyon on N slope Baldy Mtn. 1646 Comment
  POM13790  Loeflingia squarrosa P. A. Munz 1922-4-30 5137 Riverside Hills south of Tuscaluta Creek from Aguanga to Hemet Comment
  RSA593690  Loeflingia squarrosa Steve Boyd, David E. Bramlet 1996-4-19 8636 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR241932  Loeflingia squarrosa A. C. Sanders, Timothy W. Chumley 2013-3-28 40693 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UC880238  Loeseliastrum matthewsii C. L. Hitchcock 1940-4-4 5948 Riverside Pinto Basin Comment
  RSA676084  Loeseliastrum schottii Scott D. White 2001-4-12 8315 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA77059  Loeseliastrum schottii F. W. Peirson 1914-04 953 Riverside Whitewater at head of Coachella Valley. Comment
  UC572630  Loeseliastrum schottii H. S. Yates 1937-3-23 6398 Riverside 2 mi. n. Palm Springs; San Jacinto Quad. 213 Comment
  UCSB5126  Loeseliastrum schottii Kamb, Peter 1948-4-11 Riverside Aqueduct Road; 5 mi east of Garnet, Coachella Valley 304 Comment
  UCR88306  Logfia arizonica A. C. Sanders, Karin Cleary-Rose 1995-4-5 16375 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR89758  Logfia gallica Scott D. White 1993-5-27 1426 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  POM356978  Lolium temulentum N. C. Cooper 1944-5-6 1171 Riverside Banning. 701 Comment
  UCR4539  Lomatium lucidum John Dean 1965-5-26 s.n. Riverside Peninsular Range, Vail Ranch, l mi SE of Santa Margarita River on Calif. Hwy 71 306 Comment
  UCR133433  Lonicera interrupta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 448 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  SBBG102905  Lonicera subspicata var. denudata S. D. White 1991-9-17 91 -50 Riverside W side of Lake Elsinore (St Hwy 74); along a wash Comment
  SD229123  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 662 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA406726  Lotus argophyllus var. argophyllus N. C. Cooper 1944-4-8 1061 Riverside Andreas Canyon. 305 Comment
  POM27176  Lotus heermannii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR35035  Lotus heermannii L. B. Ziegler 1967-8-2 199 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  SEINET273067 Image available Lotus humistratus A. C. Sanders 1997-3-26 20125 Riverside Lake Skinner area;large clay patch adjacent to the Skinner entrance rd ca 1 km NE of Borel Rd UTM 10km cell: MH-9E 1N 473 Comment
  UCR165394  Lotus humistratus A. C. Sanders 2005-4-21 29575 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UC864798  Lotus nevadensis var. nevadensis Carl B. Wolf 1932-8-4 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  UCR87861  Lotus oblongifolius Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UC1543245  Lotus rigidus Donald G. Nelson 1936-5-22 386 a Riverside near base of Santa Rosa Mountains (Ribbon Wood Camp, Pines to Palms Highway, on trail down to stream in Palm Springs Canyon); Santa Rosa Mountains Comment
  UCR269856  Lotus salsuginosus var. brevivexillus A. C. Sanders, Jim Malusa 2016-3-17 42356 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail 675 Comment
  JOTR31044  Lotus scoparius var. brevialatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2027 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR91475  Lotus scoparius var. brevialatus Scott D. White, M. Jacobsmeyer 1996-4-20 3958 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  POM6857  Lotus strigosus var. tomentellus P. A. Munz, L. T. Street, G. Williams 2319 Riverside mouth of Palm Canyon 213 Comment
  RSA457754  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2121 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA608477  Ludwigia peploides subsp. peploides Louis C. Wheeler 1961-6-24 7906 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  RSA736761  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  POM276399  Lupinus arizonicus Lyman Benson 1933-3-31 4165 Riverside US 66, 10 miles E of Palm Springs, San Jacinto Mt. Range, Colorado Desert Watershed. 244 Comment
  RSA4896  Lupinus arizonicus C. B. Wolf 1932-4-27 3012 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA800196  Lupinus arizonicus Robert F. Thorne 1963-3-29 32404 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA86945  Lupinus arizonicus F. W. Peirson 1921-4-13 2497 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  UCR200297  Lupinus arizonicus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11217 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  SEINET10870660  Lupinus arizonicus David B. Dunn 1947-3-15 Dunn 2883 Riverside Pushawalla Canyon, Indio Hills. In wash. None f the plants on the plateau or slopes reached maturity; all died from drought. Comment
  RSA787061  Lupinus bicolor Robert F. Thorne 1973-5-23 43856 Riverside Santa Rosa Plateau- Mesa De Colorado, grasslands near vernal marsh 610 Comment
  SD8499  Lupinus bicolor Daniel Cleveland 1882-4-14 Riverside Temecula Comment
  UCR241943  Lupinus bicolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40742 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  VVC217  Lupinus bicolor A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20687 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  POM12737  Lupinus bicolor subsp. microphyllus Philip A. Munz 1922-4-29 5079 Riverside [Sedco] Station, south of Elsinore. Comment
  RSA582460  Lupinus bicolor subsp. microphyllus K. Watkins 1937-4-9 s.n. Riverside 1 mile west of San Jacinto Comment
  RSA613415  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-4-5 1676 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR160688  Lupinus concinnus John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCR177827  Lupinus concinnus S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  POM12626  Lupinus excubitus var. hallii P. A. Munz, I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon. San Jacinto Mts. Comment
  RSA180436  Lupinus excubitus var. hallii E. W. Lathrop 1960-6-6 4821 Riverside 14 miles west of Murrieta. Comment
  UC1542842  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside gas station on the sw corner at the Jct of Hwy 74 and 71 1432 Comment
Read comments
May 24 2012
  SD122396  Lupinus hirsutissimus Duffie Clemons, Jim Dice, Glenn Keator 1988-2-18 1943 Riverside Santa Margarita Ecological Preserve west of Temecula, alongside jeep trail leading into Santa Margarita River Canyon Comment
  UCD107944  Lupinus hirsutissimus R. N. Raynor 1933-3-31 s.n. Riverside San Jacinto Valley. Comment
  UCR25046  Lupinus latifolius A. C. Sanders 1980-7-22 1706 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  RSA590650  Lupinus polycarpus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  POM187416  Lupinus polyphyllus var. burkei L. Crutcher 1933-8-22 6 Riverside stream between Tahquitz Valley and Red Tahquitz, San Jacinto Mts. Comment
  RSA413489  Lupinus shockleyi Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7810 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  RSA676293  Lupinus sparsiflorus Scott D. White 2001-4-3 8220 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA678353  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10469 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SD231315  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky. 2003-4-17 10469 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
  UCR250881  Lupinus sparsiflorus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1050 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  POM12644  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-9 4901 a Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA346253  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54067 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA524612  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, L. Arnseth, T. S. Ross 1990-3-29 3935 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA278318  Lupinus succulentus C. W. Tilforth 1979-4-11 1788 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  HSC14951  Lupinus truncatus C. L. Hitchcock 1966-3-15 24166 Riverside About 10 mi. NE of Temecula Comment
  SEINET2062685  Lupinus truncatus Ed LaRue 1989-3-30 Riverside Rancho California area, ca 4 mi W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR89849  Lupinus truncatus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3311 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SEINET10489082  Lupinus truncatus Robert F. Thorne 1983-4-23 Thorne 55499 Riverside San bernandino mts: sandy wash along whitewater river where road crosses river Below fish hatchery, ca 4 mi n or whitewater post office. Erect, Reddish-purple-flowered annual. 640 Comment
  CAS-BOT-BC231413  Lycium andersonii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2178 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  RSA502904  Lycium andersonii J. C. Lyman 1989-2-13 s.n. Riverside SW end of the Bernasconi Hills. 549 Comment
  UC111152  Lycium andersonii F. M. Reed 1907-2-12 1203 Riverside Arroyo Tequesquite Comment
Read comments
Jul 30 2006
  UCSB23131  Lycium andersonii McMinn, Howard 1937-3-5 Riverside About 4 miles north of highway from Mecca to Desert Center in Cottonwood Mts 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
  UCR199760  Lythrum californicum Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10687 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
  UCR230593  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside Peninsular Range; Elsinore Trough, north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  UCR274315  Lythrum hyssopifolia Jennifer H. Jones, Scott D. White 2005-5-25 95 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 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
  RSA0104033  Malacothamnus densiflorus Scott D. White 1991-5-13 91 -111 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR102048  Malacothamnus fasciculatus B. G. Pitzer 1997-4-20 3171 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR114809  Malacothamnus fasciculatus Mitch Provance 1998-2-13 19 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR58303  Malacothamnus fasciculatus George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  RSA0087584  Malacothamnus fasciculatus R. S. Woglum 1937-10-20 1192 Riverside Santa Rosa Mts. 1524 Comment
  JEPS36766  Malacothrix clevelandii W. L. Jepson May 17 1901-Jun 1 1901 1285 Riverside Strawberry Valley San Jacinto Mt. Comment
  RSA585791  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-9 0418 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  CAS-BOT-BC347712  Malacothrix glabrata Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  POM37223  Malacothrix glabrata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC1930180  Malacothrix glabrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10484 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC33283  Malacothrix glabrata W. G. Wright 1889-1 1754 Riverside Colorado Desert Comment
  LA62898  Malosma laurina Harlan Lewis; 1940-7-18 sn Riverside roadside, US 395, 5 mi W of Temecula Comment
  RSA92732  Malosma laurina J. C. Roos, Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mountains. 488 Comment
  UCR275221  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UC28936  Marah macrocarpa Wright 1890-1 Riverside Colorado Desert Comment
Read comments
Nov 29 2010
  UCD107550  Marah macrocarpa R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  UCR117075  Marah macrocarpa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24218 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR188788  Marah macrocarpa Jim Andre 2006-4-26 7795 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, canyon bottom 1056 Comment
  JOTR28791  Marina parryi La Doux, Tasha 2005-3-30 1060 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UC1368530  Marina parryi W. L. Jepson 1912-10-29 5248 Riverside Blythe Intake, at Black Point, Palo Verde Valley, on edge of Riverside Mts. Riverside Mts., Palo Verde Valley 88 Comment
  UCR196345  Marina parryi Naomi Fraga, Lisa Rojas 2005-2-10 1411 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  RSA357150  Marsilea vestita R. F. Thorne 1973-5-23 43846 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  UCR260136  Matelea parvifolia Jim Malusa, A. C. Sanders 2015-3-10 s.n. Riverside Sonoran (Colorado) Desert, Chocolate Mountains, north end of the range 0.3 mi. SE of Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR94244  Matricaria matricarioides Scott D. White 1996-4-14 3888 Riverside Perris-Aguanga Basin region, Perris Basin: Hemet, roadside along Florida Ave. Comment
  UCR179766  Matricaria occidentalis R. E. Riefner Jr. 2004-6-27 04- 221 Riverside Paloma Valley; along Scott Road, in general vicinity of Leon Road 435 Comment
  RSA206501  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 Comment
  RSA543842  Meconella denticulata Steve Boyd, Orlando Mistretta 1991-5-22 6303 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SD187410  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR40512  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7 mi west of Rancho California. 366 Comment
  VVC232  Medicago sativa F. Ambrey 1959-4-4 s.n. Riverside In field at NW corner of Canyon Crest and Linden St 412 Comment
  UCR213533  Melica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37800 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  CAS-BOT-BC281416  Melica imperfecta Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  CAS-BOT-BC281598  Melica imperfecta H. M. Hall 1899-5-21 1134 a Riverside San Jacinto Mts 1676 Comment
  CAS-BOT-BC281605  Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 miles NW of Elsinore 457 Comment
  JEPS76213  Melica imperfecta W. L. Jepson 1939-4-19 19210 Riverside 3 mi s Aguanga 731 Comment
  UCR109513  Melica imperfecta Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR2555  Melica imperfecta M. F. Barrus 1920-1-27 213 Riverside Box Springs Mtns, Riverside, Sycamore Canyon 396 Comment
  UCR148483  Melilotus albus John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  SEINET2063367 Image available Melilotus indicus Diane L. Ill 1985-5-12 38 Riverside Gavilan Hills, Hartford Springs, 1.6 mi S of Cajalco Rd. on Gavilan Rd. Right side of Road along Spring 609 Comment
  UCR82224  Melilotus indicus J. M. Stewart 1994-5-2 853 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  JOTR31141  Menodora scoparia La Doux, Tasha 2009-6-3 1852 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UCR279572  Mentzelia A. C. Sanders, Jim Malusa 2017-3-29 43170 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  RSA0060678  Mentzelia affinis Dave Silverman, Onkar Singh 2010-3-25 7846 Riverside Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10. 160 Comment
  RSA719042  Mentzelia affinis Michael Honer 2005-3-11 2058 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UC1329908  Mentzelia albicaulis James E. Cole 1941-4-15 600 Riverside Joshua Tree National Monument, Pleasant Valley Comment
  RSA0060677  Mentzelia desertorum A. C. Sanders 2010-3-15 37415 Riverside Pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg ) of Blythe. 134 Comment
  JEPS41174  Mentzelia dispersa Carl V. Meyer June 1927 192 Riverside Slope of ravine below Saunders Meadow. [Idyllwild added in pencil] Comment
  RSA510022  Mentzelia involucrata B. Pitzer 1988-3-10 649 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UCR147843  Mentzelia involucrata Steve Boyd, Et al. 2004-5-14 11276 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
  UCSB44891  Mentzelia involucrata Collins, Elizabeth 1977-3-30 Riverside Corn Springs campground, 8 miles south of Hwy. 10 457 Comment
  RSA440402  Mentzelia involucrata var. megalantha M. B. Dunkle 1933-5-6 3434 Riverside Painted Canyon Comment
  POM2969  Mentzelia montana H. M. Hall 1919-12 3829 Riverside [Unspecified] 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
  UC1929951  Mentzelia veatchiana Scott D. White, Justin Wood 2008-6-16 12133 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR261175  Mentzelia veatchiana A. C. Sanders, Katie Young, John Hale 2015-4-22 41600 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  CAS-BOT-BC170849  Mentzelia veatchiana A. J. McC. 1892-4-1 71 Riverside Elsinore Comment
  CAS-BOT-BC435295  Mesembryanthemum nodiflorum A. C. Sanders; K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA562102  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR60713  Micropus californicus var. californicus R. F. Thorne 1973-5-23 43870 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA496365  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3039 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 549 Comment
  UCR91478  Microseris douglasii subsp. platycarpha Scott D. White, M. Jacobsmeyer 1996-4-20 3945 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  SEINET273066  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd.side 1550 Comment
  UCR215509  Microseris lindleyi Daphne K. Christopher, Hannah I. Stevens 2003-4-3 089 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  UC943860  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 D-1 Riverside Temecula Grade Comment
  POM10950  Mimulus androsaceus I. M. Johnston 1922-5-20 5476 Riverside Kenworthy, Thomas Valley. 1463 Comment
Read comments
Mar 25 2011
  JEPS87307  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1069 Riverside 3.3 mi n Lakeview (at Ramona Expressway) (along Davis Road, 3.8 rd mi s of Hwy 60) 485 Comment
  RSA38705  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11504 Riverside Indian Canyon, along Indian Canyon Truck Trail. Comment
  UCR101554  Mimulus aurantiacus var. puniceus A. C. Sanders 1997-3-19 20055 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  JOTR32912  Mimulus bigelovii var. bigelovii La Doux, Tasha, Jim Andre 2009-2-28 353 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  POM43889  Mimulus bigelovii var. bigelovii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA4942  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UC26875  Mimulus brevipes H. M. Hall June, 1901 2058 Riverside s side San Jacinto Mountains 1524 Comment
  UC27107  Mimulus breweri H. M. Hall July 1901 Riverside vicinity Deer Spring (Accordion Creek); San Jacinto Mountains 2590 Comment
  RSA407719  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA587175  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-6-2 559 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  CAS-BOT-BC9460  Mimulus diffusus Philip Alexander Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mtns. 1676 Comment
  RSA614599  Mimulus floribundus A. C. Sanders, Steve Ogg 1994-7-28 15182 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  JEPS26106  Mimulus fremontii var. fremontii Peter H. Raven 1958-5-17 12946 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  LA209399  Mimulus guttatus Norman C. Cooper; 1415 Riverside San Jacinto Mountains, above Banning 1219 Comment
  RSA701359  Mimulus guttatus Steve Boyd, Aydee Virgen 2004-4-13 10872 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC454795  Mimulus guttatus I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCR133414  Mimulus guttatus Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 317 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR145828  Mimulus guttatus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  SBBG22451  Mimulus moschatus H. and M. Dearing 1942-3-9 4820 Riverside Eagle Cyn near Palm Springs Comment
  RSA757624  Mirabilis bigelovii var. retrorsa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4334 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
  UCR21136  Mirabilis californica Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  SFV11872  Mirabilis laevis 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
  CAS-BOT-BC434676  Mirabilis laevis var. crassifolia A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37468 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak. 244 Comment
  RSA4385  Mirabilis laevis var. crassifolia Carl B. Wolf 1932-3-20 31 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA464253  Mirabilis laevis var. crassifolia Jack Rempel 1942-3-2 s.n. Riverside San Gorgonio Pass, S of Cabazon. Roadside between highway and R.R. tracks Comment
  CAS-BOT-BC434838  Mirabilis laevis var. retrorsa H. M. Hall 1905-4-1 5798 Riverside 8 mi west of Coachella, Colorado Desert Comment
  JEPS61300  Mirabilis laevis var. retrorsa W. L. Jepson 1914-5-18 6018 Riverside County Well, on grade from Pinion Well to Indio 304 Comment
  SD260077  Mirabilis laevis var. retrorsa J. Andre 2012-4-11 20786 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface os steep rocky hills and large wash. 729 Comment
  RSA554020  Mirabilis laevis var. villosa A. C. Sanders, E. J. Lawlor 1992-4-4 12126 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA735402  Mirabilis laevis var. villosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11232 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
  RSA776090  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 822 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  SBBG1884  Mirabilis laevis var. villosa H. and M. Dearing 1936-12-25 2819 Riverside Long Cyn, Colorado Desert Comment
  UC1595749  Mirabilis laevis var. villosa W. Wisura, J. Dolan, and M. Wall 1992-3-25 4643 Riverside 2.1 mi w Corn spring; Chuckwalla Mts Comment
  JEPS61339  Mirabilis tenuiloba Marjorie Clary 1932-6-22 658 Riverside Canyons at base of Santa Rosa Mountains, SW of Coral Reed, Coachella Valley Comment
Read comments
Apr 4 2011
  UC1595570  Mirabilis tenuiloba W. Wisura, A. King, and L. Newcomb 1992-4-10 4663 Riverside Mission Creek Ranch w of Hwy 62 below Morongo Valley Comment
  RSA408772  Mohavea confertiflora Robert M. Perkins, H. de Forest 1937-3-15 374 Riverside N. of Blythe, along Co. Riverside. 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
  LA62610  Monardella australis subsp. australis Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley Comment
  RSA401571A  Monardella lanceolata var. lanceolata Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  RSA0104487  Monardella linoides subsp. linoides Duncan S. Bell 2015-9-30 8668 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UC25485 Image available Monardella macrantha subsp. hallii H. M. Hall 1898-7-4 976 Riverside canyon of San Jacinto River San Jacinto Mountains 1310 Comment
  LA96080  Monardella nana Elizabeth McClintock; 1940-7-21 28 Riverside Santa Rosa Mountains, short distance below Santa Rosa Springs Comment
  UC1499900  Monardella nana Elizabeth McClintock 1941-6-8 60 Riverside Road to Santa Rosa Mt. 1 1/2 miles above Pines to Palms Highway Comment
  RSA282904  Monardella nana subsp. tenuiflora C. W. Tilforth 1980-7-15 2075 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  UC1499803  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 107 Riverside trail to Deer Springs (a short distance below first spring which crosses trail); San Jacinto Mts. Comment
  UC1499807  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside on slope s Strawberry Creek (w of saw mill at Domengonio Flats); San Jacinto Mts. Comment
  UC72711  Monolepis nuttalliana Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR139131  Monolepis nuttalliana Julie A. Greene 1993-4-17 1206 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  CAS-BOT-BC349810  Monoptilon bellioides Annie M. Alexander; Louise Kellogg 1941-5-11 2153 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  JOTR28937  Monoptilon bellioides La Doux, Tasha 2005-3-30 1173 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM363589  Monoptilon bellioides L. H. Jones 1910-3-17 s.n. Riverside Not plantiful, on gravelly banks and small washes at edge of mesas, Riverside Mountain, Colorado River. Comment
  RSA25353  Monoptilon bellioides C. L. Hitchcock 1940-4-4 5943 Riverside Pinto Basin. Comment
  RSA278963  Monoptilon bellioides B. A. Prigge, L. Martinez 1978-3-23 2410 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA363578  Monoptilon bellioides M. B. Dunkle 1932-3-25 2898 Riverside Cathedral Canyon Comment
  UC1546693  Monoptilon bellioides Barry A. Prigge 1988-2-21 7843 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  RSA78758  Muhlenbergia microsperma P. A. Munz 1952-4-15 17341 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  UCR120930  Muhlenbergia microsperma A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24927 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR2588  Muhlenbergia microsperma F. M. Reed 1917-5-19 3857 Riverside Sonoran (Colorado) Desert, Palm Canyon, near palm grove Comment
  RSA736695  Muhlenbergia rigens Scott D. White 2004-4-26 10255 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  CAS-BOT-BC133374  Muilla coronata P. A. Munz 1922-4-29 5106 Riverside Near Sedco Station, so. of Elsinore Comment
  POM11434  Muilla maritima Philip A. Munz 1922-6-27 5861 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA367333  Muilla maritima Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  RSA652083  Muilla maritima Marion P. Harthill 1972-5-6 sn Riverside Rancho. 762 Comment
  UC64098  Muilla maritima H. M. Hall 1897-5-1 519 Riverside San Jacinto River San Jacinto Mountains 762 Comment
  CAS-BOT-BC83347  Myosurus minimus Frank W. Peirson 1922-5-20 3035 Riverside About 1 mile belwo Kenworthy. Hemet Valley, San Jacinto Mountains. 1386 Comment
  UC854358  Myosurus minimus subsp. apus P. A. Munz, I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  UCR202222  Myosurus minimus subsp. apus 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
  SBBG231  Myriopteris clevelandii A. Lefebure -Mar-1942 4810 Riverside Hemet side of San Jacinto Mtns Comment
  UC217896  Nama P. A. Munz, D. Keck 1922-4-8 4740 Riverside Mecca , Mecca (Colorado Desert) -30 Comment
  RSA421100  Nama demissa M. B. Dunkle 1935-3-30 4418 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA550356  Nama demissa Walter Wisura 1992-3-24 4632 Riverside 13.1 miles NE of Mecca on Box Canyon Road. Comment
  UC880829  Nama demissa var. demissa Lewis S. Rose 1937-4-9 37099 Riverside Palm Springs 137 Comment
  UCR233163A  Nama demissa var. demissa Jim Andre, Glenn L. Clifton 2011-2-22 17448 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA74713  Nama demissa var. deserti F. W. Peirson 1920-2-15 2315 Riverside Palm Springs, Tahquitz Camp. Comment
  CDA40300  Nama hispida T. C. Fuller 1959-4-8 2474 Riverside 5 miles south of Ripley. 0 Comment
  UCR209672  Nama stenocarpa Fred M. Roberts, Carol A. Roberts 1999-10-23 5254 Riverside San Jacinto Valley, Mystic Lake, northeast shore near Gilman Hot Springs Road, c. 1.8 km southwest of Eden Peak 433 Comment
  RSA487431  Nassella lepida Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  SEINET231382  Nassella pulchra Kay L. Tomlinson, Deborah L. Kama; Robert F. Thorn 1985-3-27 890 Riverside Santa Rosa Plateau Mesa de Colorado 610 Comment
  LA102250  Navarretia atractyloides John C. Roos; 1950-5-27 4818 Riverside NE summit of Reche Canyon 761 Comment
  RSA700105  Navarretia atractyloides Virginia Moran 2003-5-28 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  UCR181629  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  UCR85584  Navarretia fossalis Julie A. Greene 1993-4-30 1246 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, east of Davis Road 433 Comment
  UC1922319  Navarretia hamata Scott D. White, Jennifer H. Jones 2005-5-25 11113 Riverside Santa Ana Mtns: Rainbow area; mountain foothils west of I-15 Freeway and immediately N of San Diego County line. Comment
  SDSU13949  Navarretia intertexta Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2093 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR279408  Nemacladus A. C. Sanders, Jim Malusa 2017-3-25 42995 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  POM316902  Nemacladus glanduliferus P. A. Munz 1922-4-9 4745 Riverside Palm Springs. 76 Comment
  RSA75132B  Nemacladus glanduliferus F. W. Peirson 1920-2-16 4681 Riverside Palm Canyon, near below Palm Springs Comment
  RSA339652  Nemacladus longiflorus var. breviflorus R. F. Thorne, C. W. Tilforth 1980-5-28 54232 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR21963  Nemacladus longiflorus var. longiflorus Steve Boyd 1980-5-21 293 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR85603  Nemacladus orientalis Theo Glenn 1991-5-2 91- 31 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  JEPS5228  Nemacladus ramosissimus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 B Riverside San Jacinto River Comment
  JEPS5487  Nemacladus ramosissimus Rimo Bacigalupi with G. T. Robbins 1954-5-16 4464 Riverside 11 mi s Hemet (St. Johns Grade, State Hwy 79, at junction of road to Red Mt) 792 Comment
  RSA525254  Nemacladus ramosissimus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4566 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  RSA606433  Nemacladus ramosissimus Jon E. Keeley 1994-4-26 25359 Riverside First year burn, S of Hwy 79, E of Temecula. Vail-3 (Keeley 1994). 980 Comment
  SEINET10939189  Nemacladus rubescens var. rubescens Junak 1983-3-24 JUNAK 1664 Riverside Near Pinto Basin road, 2.1 miles north of Highway 10 564 Comment
  JEPS15026  Nemacladus sigmoideus H. M. Hall Jun 1901 2046 Riverside Chalk Hill; San Jacinto Mountains 1524 Comment
  SD46094  Nemacladus tenuis var. aliformis Herbert L. Mason 1952-4-7 14211 Riverside Palm Springs, Palm Canyon Comment
  RSA421337  Nemophila menziesii Christopher Davidson 1973-4-1 1826 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  UCR163358  Nemophila menziesii O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  CSUSB769  Nicotiana bigelovii Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  POM13032  Nicotiana clevelandii Philip A. Munz, D. D. Keck 1922-4-13 4921 Riverside Shavers Well, near Mecca. 91 Comment
  HSC21281  Nicotiana glauca H. E. Parks 1938-2-16 24097 Riverside Soboba 488 Comment
  RSA662146  Nicotiana glauca Stephen Hill 1981-2-16 34 Riverside Coal Canyon behind horse stables on N side of the 91 freeway. Comment
  RSA450077  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  UCR199831  Nicotiana obtusifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11277 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
  UC1543048  Nolina parryi Donald G. Nelson 1936-5-22 388 Riverside along trail down to Palm Creek (near base of Santa Rosa Mountains); Pines to Palms Highway, Palm Springs Canyon, Ribbon Wood Cam Comment
  RSA118388  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22961 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  UCSB4445  Oenothera deltoides subsp. deltoides Broder, Richard 1958-3-1 Riverside 16.6 miles west of Desert Center on U. S. 60-70 Comment
  POM158193  Oenothera elata subsp. hirsutissima P. A. Munz 1928-9-6 11276 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  POM355626  Oenothera elata subsp. hirsutissima M. B. Dunkle 1933-7-21 3736 Riverside Idyllwild. 1616 Comment
  RSA698252  Oenothera scapoidea J. R. Bruff 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
Read comments
Aug 27 2011
  OBI37481  Olea europaea Steve Boyd 1985-7-23 1004 Riverside De Luz rd, 5.5 mi W of Rancho California Comment
  OBI38911  Oligomeris linifolia A. C. Sanders, Pitzer, Charlton, & Kniffen 1986-3-3 6114 Riverside Corn Spring, Chuckwalla Mts, was below the spring and wash and rocky slopes to the south 488 Comment
  RSA776298  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2010-4-10 826 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR163937  Oligomeris linifolia A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29135 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR165814  Oligomeris linifolia 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
  RSA796109  Olneya tesota Duncan S. Bell 2009-4-20 320 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  CAS-BOT-BC349928  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-3-28 38812 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR228248  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-4-1 38925 Riverside Peninsular Range, Lake Elsinore, Nichols Rd. extension (formerly Coal Ave.) at Lake St., SW side of Alberhill Mtn. 413 Comment
  UCR57110  Oncosiphon piluliferum Diane Concannon 1989-5-9 s.n. Riverside S side of Lake Perris (Perris 14), opposite Allesandro Island, north of bike path 488 Comment
  RSA0031145  Opuntia basilaris Marc Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside Chuckwalla Mountains, north side of Corn Springs Wash, 1.1km ESE of Corn Spring, 12.2km SE of Desert Center, 70 km west of Blythe. 478 Comment
  POM311556  Opuntia engelmannii Lyman Benson 1963-7-13 16387 Riverside 1/2 mile north of Aguanga. 610 Comment
  UCR41420  Opuntia erinacea A. C. Sanders 1984-4-21 5020 Riverside San Jacinto Mtns., Pinyon Flats, rocky S facing slope south of Hwy 74 and west of the dolomite mine 1220 Comment
  UCR41502  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Santa Ana Mtns, Mesa de Colorado, 5 air mi. SW of Murrieta. 610 Comment
  RSA65623  Opuntia ramosissima F. W. Peirson 1928-4-24 7906 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  RSA357376  Orcuttia californica F. W. Peirson 1922-5-19 3028 Riverside Menifee Valley Comment
  CAS-BOT-BC500136  Orobanche fasciculata Philip A. Munz 1937-5-31 15124 Riverside Kenworthy, S part of San Jacinto Mts. 1371 Comment
  CHSC109713  Oxalis albicans subsp. 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. 152 Comment
Read comments
May 28 2018
  POM5276  Oxalis californica I. M. Johnston 1978-5-30 1998 Riverside Temescal Canyon 366 Comment
Read comments
Apr 6 2013
  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
Read comments
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
  RSA192040  Paeonia californica E. W. Lathrop 1959-3-26 4361 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
  RSA291611  Paeonia californica C. W. Tilforth, Walter Wisura 1979-4-11 1770 Riverside East end of Murrieta-DeLuz Rd, south of Murrieta. 335 Comment
  SEINET6630282 Image available Palafoxia arida Bonnie C. Templeton, I. W. Clokey 1006 Riverside N of Palm Springs 400 Comment
  UCR148453  Palafoxia arida 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
  UCR41271  Palafoxia arida B. G. Pitzer 1986-2-9 0003 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  JEPS34756  Palafoxia arida var. arida W. L. Jepson Oct 22 1912-Nov 7 1912 5237 Riverside Riverside Mts. 45 Comment
  POM6184  Palafoxia arida var. arida George B. Grant 6748 Riverside Palm Springs. Comment
Read comments
Mar 1 2014
  RSA363749  Palafoxia arida var. arida R. Sorg 1981-5-9 72 Riverside Interstate of Pierson Blvd and Little Morango Rd. 305 Comment
Read comments
Dec 4 2014
  UCR281926  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-9-20 43344 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, Tabaseca big game guzzler in canyon 2.35 km NW (309 deg. ) of Tabaseca Tank 563 Comment
  UCSB9919  Palafoxia arida var. arida Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA600855  Palafoxia linearis Marjorie D. Clary 1937-4-18 2776 Riverside Colorado Desert: Entrance to Thousand Palms Canyon; about 10 miles NW of Indio. 182 Comment
  RSA800235  Panicum Justin M. Wood 2010-6-17 2046 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  UCR158855  Panicum capillare Scott D. White 1994-6-23 2094 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR188996  Panicum dichotomiflorum subsp. dichotomiflorum Fred M. Roberts, S. Leatherman 2007-9-19 6590 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  JOTR35018  Panicum hirticaule subsp. hirticaule La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3116 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SBBG57164  Panicum urvilleanum Anstruther Davidson 1893-1 Riverside Palm Springs Comment
  SEINET273060 Image available Parietaria hespera A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area;along foot trail at W base of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reser. 518 Comment
  UC848656  Parietaria hespera var. hespera Alice Eastwood 1913-4-30 3035 Riverside Palm Springs Comment
Read comments
Aug 10 2006
  RSA778388  Parkinsonia aculeata Amber Swanson 2011-10-9 647 Riverside Around the Hayfields ext N of Hwy I-10. 426 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
  LA45742  Parkinsonia florida A. M. Johnson; 1933-4-28 4227 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  RSA0098482  Parkinsonia florida Marc A. Baker 2015-4-15 18328 Riverside San Gorgonio Pass, 8 km east of Banning, 30 km WNW of Palm Springs, 4 km WNW of Cabazon. 646 Comment
  RSA698052  Parosela spinosa J. R. Bruff 1934-6-19 537 Riverside 5 mi. S.E Palm Springs. Comment
Read comments
Aug 27 2011
  UCR197056  Parthenocissus vitacea A. C. Sanders, D. L. Sanders 2008-9-27 36104 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
  RSA792558  Pectis papposa Duncan S. Bell 2012-9-13 4185 Riverside 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
  SEINET3828352  Pectis papposa Amber Swanson 2011-1 652 Riverside Around the Hayfields ext N of Hwy I-10 UTM Zone 426 Comment
  JOTR35015  Pectis papposa var. papposa La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3113 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  SBBG63493  Pectocarya heterocarpa M. N. Ackley 1927-3-13 55 Riverside Coral Reef Ranch, Coachella Valley -13 Comment
  UCR216202  Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  SD236234  Pectocarya linearis John F. Green 2006-4-18 Riverside NE of Murrieta, just S of Los Alamos Road (Clinton Keath Rd) on E and W sides of Liberty Road border between City of Murrietta and unincorporated French Valley (Murrieta 7.5'Q) 415 Comment
  UCR176196  Pectocarya linearis Amber Bruno 2005-4-3 02 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR22070  Pectocarya linearis Steve Boyd 1980-4-27 143 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR260878  Pectocarya linearis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41566 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 370 Comment
  RSA523295  Pectocarya linearis subsp. ferocula G. H. True 1935-2-22 15 Riverside Gavilan Hills. 549 Comment
  POM146227  Pectocarya penicillata F. M. Reed 1925-5-23 5031 Riverside Horsethief Canyon, Temescal Mountains. Comment
  UCR241848  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-5 40778 Riverside Peninsular Range, Temescal Canyon, around Ivyglen electrical substation near where Temescal Canyon Rd. passes under I-15, between substation and Campbell Ranch Rd. 328 Comment
  SBBG6317  Pectocarya platycarpa H. and M. Dearing 1942-2-3 Riverside 6 mi E of Palm Springs Comment
  UCR214280  Pectocarya platycarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37470 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA597413  Pectocarya recurvata L. C. Wheeler 1970-4-5 s.n. Riverside West of Desert Hot Springs, by old road to 29 Palms. Comment
  UCR153362  Pectocarya setosa LeRoy Gross, Valerie Soza 2003-5-8 826 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  POM13715  Pedicularis densiflora P. A. Munz 1922-4-29 5117 Riverside 5 miles west of Aguanga. 671 Comment
  RSA160448  Pedicularis densiflora J. D. Olmsted 1959-4-14 374 Riverside 4 mi. SR of Oak Flat near west county line on Santiago Pk. dire rd. near top of pk. west of Santiago pk. SW towards Irvine. 1280 Comment
  HSC35459  Pellaea andromedifolia J. D. Ackerman, A. M. Montalvo 1975-6-26 527 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  IRVC19343  Pellaea andromedifolia R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  UCR240655  Pellaea andromedifolia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 43 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  SEINET3873279  Pellaea mucronata T. B. Salvato, John F. Green 2004-5-27 626 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. (Forest Falls 7.5' Q.).; 0 1402 Comment
  UCR121652  Pellaea mucronata A. C. Sanders, Kent Beaman 2002-5-10 25048 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UC1874931  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2003-4-25 1151 Riverside Along Hwy 243, between Idylwild and Banning, 9 road mi from Banning 1341 Comment
Read comments
Jul 6 2010
  JOTR30214  Pellaea mucronata var. mucronata Leary, C. and Leary, Pat 1979-5-5 2989 Riverside Joshua Tree National Park. On west facing slope above Lower Covington Flats, Joshua Tree National Monument; T2S R7E sec 6 Comment
  POM11755  Pellaea mucronata var. mucronata P. A. Munz, I. M. Johnston 1922-5-19 5435 a Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCD89445  Pennisetum clandestinum Marvin Miller 1956-5-1 s.n. Riverside Riverside County. Comment
  UC1951230  Pennisetum setaceum Scott D. White, Justin Wood 2009-4-29 12619 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Seven Palms Valley 7.5' Quad. Comment
  UCR120159  Pennisetum setaceum Mitch Provance 1998-3-5 185 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  RSA717835  Penstemon X parishii T. Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA97212  Penstemon X parishii R. M. Straw 1953-6-24 480 Riverside Idyllwild-Banning Rd., 6.5 mi. S. of Banning. 1143 Comment
  LA209531  Penstemon clevelandii Carl Epling; 1937-4-10 sn Riverside Santa Rosa Mountains, near Pinon Flats Comment
  POM20635  Penstemon clevelandii subsp. mohavensis E. C. Jaeger 1923-5-20 s.n. Riverside Keyes Ranch Comment
  RSA0014867  Penstemon heterophyllus var. australis Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UC1478707  Penstemon labrosus C. W. Tilforth, John Dourley 1980-7-15 2072 Riverside s Lake Hemet (w of Hiway 74, Thomas Mtn. Campground, Thomas Mtn.); s of Lake Hemet, Thomas Mtn. Comment
  UC27400  Penstemon rostriflorus H. M. Hall June 1901 2302 Riverside trail to S. Jacinto San Jacinto Mountains, trail to S. Jacinto (in canyons of the w side, San Jacinto Mountains, Southern California) 1371 Comment
  UC27402  Penstemon rostriflorus H. M. Hall July, 1901 2333 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicinity of Deer Springs 2438 Comment
  POM17872  Penstemon spectabilis Philip A. Munz 1923-6-14 7063 Riverside Glen Ivy Trail to Santiago Peak 1220 Comment
  RSA285606  Penstemon spectabilis D. C. Michener 1980-6-13 3680 Riverside At east end of Thomas Mtn road above Garner Valley. Comment
  SEINET10701942  Penstemon spectabilis Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 134 Riverside San Bernardino National Forest. 1.0 mi. up Little Thomas Mountain Rd. (Forest Road 6S13) just S of Lake Hemet from Rt. 74. 1409 Comment
  RSA90131  Penstemon spectabilis E. K. Balls, Percy C. Everett 1953-8-19 18534 Riverside 1-1.5 mi W of Anza along hwy from Anza to Agaunga. 1220 Comment
  UC1930016  Pentachaeta aurea Scott D. White, Justin Wood 2008-5-15 11987 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  RSA0060230  Pentagramma triangularis Lyman Benson 1946-4-15 12035 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  RSA0070721  Pentagramma triangularis Darin L. Banks, Steve Boyd 1995-3-15 64 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  IRVC3159  Pentagramma triangularis subsp. triangularis R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  SBBG2631  Peritoma arborea H. and M. Dearing 1939-12-31 4045 Riverside 5 mi N of Palm Springs Comment
  UCSB3810  Peritoma arborea Long, Frances 1939-12-30 Riverside Palm Springs Comment
  CAS-BOT-BC77480  Peritoma arborea var. angustata V. Bailey 1907-10-24 s.n. Riverside Cabazone Comment
  JEPS34960  Perityle emoryi Mary Beal 1941-4-6 861 Riverside Box Canyon Colorado Desert, Coachella Valley, Mecca Hills Comment
  RSA278967  Perityle emoryi B. A. Prigge, L. Martinez 1978-3-23 2415 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA471862  Perityle emoryi Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  SEINET4568271 Image available Perityle emoryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 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
  CAS-BOT-BC419046  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon 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
  JOTR29384  Petalonyx linearis La Doux, Tasha, Mike Bell 2006-5-10 1461 Riverside Joshua Tree National Park. East Deception Canyon Comment
  CAS-BOT-BC167767  Petalonyx thurberi S. B. Parish 1912-6-28 8121 Riverside Mesas near Mecca Comment
  JEPS41239  Petalonyx thurberi W. L. Jepson and H. M. Hall 1901-5-22 1399 a Riverside s. of Hemet's Valley (Palm Canyon and return to Van Deventer's); Mt. San Jacnto, Palm Canyon Comment
  RSA38401  Petalonyx thurberi P. A. Munz 1946-10-20 11582 Riverside Foot of grade on Palms to Pines Hwy, North base of Santa Rosa Mts. 152 Comment
  RSA698082  Petalonyx thurberi J. R. Bruff 1934-6-19 536 Riverside 5 mi. S.E Palm Springs. Comment
Read comments
Aug 27 2011
  RSA0031425  Peucephyllum schottii Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4474 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA663863  Peucephyllum schottii C. R. Annable 1995-3-15 2286 Riverside 2km S of Lake Cahuilla County Park. Comment
  RSA784945  Peucephyllum schottii Duncan S. Bell 2012-2-12 3123 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC68953  Peucephyllum schottii H. M. Hall Apr. 1905 5849 Riverside near Dos Palmas; Colorado Desert 0 Comment
  POM13912  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4759 Riverside Shavers Well, near Mecca. 76 Comment
  RSA342253  Phacelia ambigua Robert F. Thorne 1963-3-29 32368 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  IRVC26830  Phacelia brachyloba S. D. White 1997-5-18 5169 Riverside Northern Escarpment S of Banning: Along Hwy 243, ca. 5 road mi SE of Banning and 5 road mi NW of Vista Grande. San Jacinto Mtns 1098 Comment
  RSA427682B  Phacelia brachyloba N. C. Cooper 1944-5-21 1268 b Riverside San Jacinto Mountains, west side. 1220 Comment
  CAS-BOT-BC133963  Phacelia campanularia Ynez Whilton Winblad 1937-3-18 s.n. Riverside Near Cabezon Comment
  RSA4951  Phacelia campanularia Carl B. Wolf 1932-4-27 3047 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  RSA550021  Phacelia campanularia Walter Wisura, A. King, L. Newcomb 1992-4-10 4676 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
Read comments
Dec 25 2013
  UC572562  Phacelia campanularia subsp. campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  HSC13709  Phacelia cicutaria var. hispida C. L. Hitchcock 1966-3-15 24156 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  UCR180136  Phacelia cicutaria var. hispida Mitch Provance 2003-4-26 9886 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
  UCSB42177  Phacelia cicutaria var. hispida Roos, John 1965-6-19 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  RSA593695  Phacelia ciliata Steve Boyd, D. Bramlet 1996-4-19 8631 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  JEPS2241  Phacelia crenulata var. ambigua Joseph Grinnell 1910-3-18 Riverside Riverside Mts. Riverside Mts. (e. Riverside Co.) Comment
  JEPS2302  Phacelia crenulata var. ambigua Dr. L. M. Newlon 1922-4-3 426 Riverside 6 mi w Indian Wells; Colorado Desert Comment
  RSA0085057  Phacelia crenulata var. ambigua John Wallace, Steve McNabb 1991-5-5 13 Riverside Palo Verde Dam. 20 yards north of entrance gate along generator frontage road. Comment
  UC668398  Phacelia curvipes Annie M. Alexander and Louise Kellogg 1941-4-24 2080 Riverside gorge of Dry Morongo Morongo Valley 640 Comment
  RSA618419  Phacelia distans D. L. Banks 1997-5-5 1957 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  SBBG80514  Phacelia distans M. Rosczyk, G. K. Helmkamp 1985-4-4 256 Riverside W side of the main cyn just below the BLM gate 533 Comment
  UC56705  Phacelia distans Geo. R. Hall 1901-3-17 Riverside Riverside 304 Comment
  UCR116815  Phacelia distans A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23945 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR120938  Phacelia distans A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24955 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR140290  Phacelia distans A. C. Sanders 2004-4-9 27473 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
  UCR258009  Phacelia distans Mitch Provance 2003-4-5 403- 02 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of 'Noname Mtn.' 755 Comment
  UCR265825  Phacelia imbricata Mitch Provance 2012-5-24 512- 06 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UC219582  Phacelia imbricata subsp. patula P. A. Munz 1922-7-8 6060 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  SEINET3158182  Phacelia ivesiana E. E. Schellenger 1905-3-12 sn Riverside Paloverde Valley Comment
  RSA700025  Phacelia minor Scott D. White, Michael Honer 2003-4-25 9100 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA770852  Phacelia minor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4936 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR84879  Phacelia minor A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16201 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  SEINET10780736 Image available Phacelia minor George Yatskievych, Eckhard Wollenweber 1990-5-2 Yatskievych 90 -49 Riverside State Highway 74, ca. 2 mi E. of Clevland National Forest boundry, overlooking Lake Elsinore. Burned over slope in oak woodlands, in sandy soil. 762 Comment
  JOTR30111  Phacelia pedicellata La Doux, Tasha, Bill Truesdell 2008-3-18 1659 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  SBBG29878  Phacelia pedicellata E. Braunton 1940-4-3 2020 a Riverside Berdoo Cyn, 10 mi E of Indio 304 Comment
  CLARK-A1528-5060  Phacelia vallis-mortae John C. Roos 1937-4-18 679 Riverside Mount San Jacinto 487 Comment
  UCR2647  Phalaris lemmonii F. M. Reed 1905-5-7 740 Riverside Peninsular Range, Box Springs Mtns., spring near summit of Pigeon Pass, Riverside and vicinity Comment
  UCR180260  Phalaris paradoxa Scott D. White, Pam Devries 2006-3-14 11246 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA0057662  Philadelphus microphyllus var. stramineus P. A. Munz 1924-7-27 8762 Riverside North side of high rock. Dark Canyon, San Jacinto Mts. 2409 Comment
  POM13672  Phlox austromontana P. A. Munz 1922-6-28 5871 Riverside Santa Rosa Mountains. 2439 Comment
  RSA38667  Pholisma arenarium P. A. Munz 1946-10-21 11601 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  RSA674927  Pholistoma auritum Scott D. White, Pam DeVries 2000-4-25 7725 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  SEINET7048050  Pholistoma membranaceum Steven R. Hill 2001-4-29 33525 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA466267  Phoradendron californicum D. Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd., Morongo Indian Reservation. 610 Comment
  RSA601648  Phoradendron californicum Louis C. Wheeler 1956-2-25 7176 Riverside Deep Canyon, south of Palm Desert. Comment
  UCR120716  Phoradendron californicum Helen Kennedy, T. B. Salvato 2002-2-2 5455 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCSB1315  Phoradendron californicum Sturdy, C. 1957-4-21 Riverside 10 mi East of Coachella on route 60 60 Comment
  RSA592672  Phoradendron densum Scott D. White, D. Haselfeld 1996-7-2 4264 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR177116  Physalis acutifolia A. C. Sanders 1993-8-14 14210 Riverside City of Riverside, vacant field (former citrus orchard) on south side of Palmyrita Ave. midway between Michigan Ave. & Mt. Vernon Ave, NW foot of Box Spring Mts. 323 Comment
  RSA423819  Physalis crassifolia M. B. Dunkle 1932-3-25 2908 Riverside Cathedral Canyon Comment
  RSA444461  Physalis crassifolia Roos 1965-6-23 s.n. Riverside Lost Palms Wash. Comment
  RSA763993  Physalis crassifolia Justin M. Wood, D. M. Ray 2010-10-21 2998 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SD4470  Physalis crassifolia F. Woodcock 1926-3-15 Riverside Palm Springs Comment
  POM13817  Pickeringia montana Philip A. Munz 1922-4-28 5057 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  RSA234023  Pilularia americana R. F. Thorne, Earl Lathrop 1969-5-19 37966 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  SEINET11737316  Pinus coulteri S. B. Parish, Parish, W. F. 1881-1 379 Riverside San Jacinto Mt Comment
  CAS-BOT-BC73184  Pinus jeffreyi A. C. Sanders 1995-11-26 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak Rd., 1310 Comment
  UCR55209  Pinus lambertiana J. A. Adams 1965-7-3 341 Riverside San Jacinto Mtns., Azalea Canyon above campground 1829 Comment
  CDA18001  Pinus quadrifolia L. D. Merrill 1999-8-27 s.n. Riverside Burnt Valley Rd, Santa Rosa Mtns. 0 Comment
  UCSB148  Pinus quadrifolia Waian, Lee 1960-5-15 Riverside 1/2 miles from Highway 74 on the road to Anza Comment
  UCR147593  Piperia transversa Naomi Fraga, S. DeGroot 2004-7-8 1300 Riverside Peninsular Ranges; San Jacinto Mountains region, On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows) 1524 Comment
  UCR275951  Pityrogramma triangularis T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3782 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  RSA645324  Plagiobothrys acanthocarpus Steve Boyd, Ian Gillespie 2000-4-15 10301 Riverside Gavilan Hills region: South flank of Alberhill Mountian, just east of the heavily mined area., Near 34 deg 42' 43.5''N 117 deg 22' 39.0''W 463 Comment
  SEINET3084181 Image available Plagiobothrys arizonicus Andrew C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16286 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 335 Comment
  UCR172238  Plagiobothrys canescens 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
  UCR174156  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32597 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
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR92045  Plagiobothrys collinus Scott D. White 1995-3-30 2666 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
  UCR96805  Plagiobothrys collinus A. C. Sanders 1997-3-1 19757 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  UCR99154  Plagiobothrys collinus A. C. Sanders, G. Helmkamp 1997-3-15 19991 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR266326  Plagiobothrys leptocladus D. E. Bramlet 1991-4-29 2083 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  POM368912  Plagiobothrys nothofulvus M. M. Thompson 1947-6-9 C 2061 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SD224887  Plagiobothrys nothofulvus A. C. Sanders, S. Hawkins 1996-4-24 18077 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1096 Comment
  SEINET7073468  Plagiobothrys nothofulvus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR178278  Plagiobothrys nothofulvus T. B. Salvato, Tracy Tennant 1998-1 MOR- 805 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, sag pond at Burro Flats, tree stand P-10 1098 Comment
  POM9664  Plagiobothrys nothofulvus P. A. Munz, Harwood 1920-2-28 3251 Riverside 3 miles west of Corona 335 Comment
  RSA659690  Plagiobothrys tenellus J. C. Roos 1947-3-21 3367 Riverside Plateau, Reche Canyon 366 Comment
  POM10198  Plantago erecta F. M. Reed 1907-3-15 1221 Riverside Riverside Heights Comment
Read comments
Sep 4 2011
  SEINET7063423  Plantago erecta A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore. UTM Zone 11, 471878mE, 3726288mN. (WGS84/NAD83). 469 Comment
  UCR139179  Plantago erecta Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  CDA6611  Plantago major G. D. Barbe, J. L. Johnson 1983-1-25 4038 Riverside Bank of Colorado River at Water Wheel Recreation Area, Highway 395. 0 Comment
  SDSU13609  Plantago major W. Miller, C. Mosse 1972-7-21 Riverside Comment
  RSA228821  Plantago major Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 603 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  RSA698379  Plantago ovata J. Russell Bruff 1928-4-3 s.n. Riverside 13 miles W of Desert Center Comment
  RSA793419  Plantago ovata Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3957 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  UCR1355  Plantago ovata Frank C. Vasek 1960-3-24 600324- 19 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  POM305634  Plantago ovata var. fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-3-2 865 Riverside Blyth Indio Road, near Indio Comment
  UCSB32743  Plantago ovata var. fastigiata Cowan, Clark 1974-4-6 Riverside 1 mi. from Palm Desert Golf Course; .5 mi. on dirt road from maintenance shed; near dump area 91 Comment
  RSA773669  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-20 1032 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1362 Comment
  POM1499  Platanus racemosa I. M. Johnston 1917-4-4 1094 Riverside Andreas Canyon, near Palm Springs. 229 Comment
  POM306219  Platystemon californicus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Corona, south of fields-hillsides. Comment
  RSA357158  Platystemon californicus Robert F. Thorne 1973-5-23 43858 Riverside Santa Rosa Plateau-Mesa De Colorado. 610 Comment
  UCR167417  Platystemon californicus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UC1608230  Plectritis ciliosa subsp. insignis Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6761 Riverside Tenaja Trail from junction w Morgan Trail south to Pigeon Spring area, San Mateo Canyon Wilderness Area Pigeon Spring; Santa Ana Mountains, San Mateo Canyon Wilderness Area 670 Comment
  CAS-BOT-BC326638  Pleurocoronis pluriseta Munz; Street; Williams 1919-3-25 2329 Riverside Palm Canyon, Palm Springs, Colorado Desert Comment
  RSA695628  Pleurocoronis pluriseta J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
Read comments
Oct 30 2011
  SEINET6186104  Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-1 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR75043  Pleurocoronis pluriseta A. C. Sanders, E. J. Lawlor 1992-4-4 12157 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  LA203868  Pluchea sericea Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  SD229103  Pluchea sericea Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 888 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  POM100303  Poa secunda Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
Read comments
Jul 19 2010
  UC39552  Poa secunda subsp. secunda H. M. Hall June 1901 2257 Riverside Fuller's Hills Mts San Jacinto Mts, Fuller's Hills Mts 1645 Comment
  POM162739  Polygala acanthoclada E. C. Jaeger 1928-01 s.n. Riverside Eagle Mountains: Cottonwood Spring Comment
Read comments
Oct 9 2010
  POM265734  Polygala acanthoclada A. M. Alexander, Kellogg 1941-5-18 21195 Riverside Eagle Mountains: 1.5 miles N Cottonwood Springs 976 Comment
Read comments
Oct 9 2010
  RSA466297  Polygonum bistortoides Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
Read comments
Nov 29 2010
  SD187296  Polypodium californicum Scott D. White, Angelia Carey 2004-4-16 10181 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent slopes. 548 Comment
  UCR96808  Polypodium californicum A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19763 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
  RSA500090  Populus fremontii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3219 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  JEPS64524  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12590 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 731 Comment
  UC4919  Populus fremontii subsp. fremontii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  SD237602  Populus trichocarpa A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37158 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  CAS-BOT-BC356165  Porophyllum gracile H. M. Hall 1905-5-2 5977 Riverside Colorado Desert. Chuckawalla [Chuckwalla] Mt. Comment
  CAS-BOT-BC453922  Potamogeton pectinatus Lathrop; Thorne 1967-9-26 6623 Riverside 6 mi. NW of Murrieta Comment
  UCR212973  Potamogeton pusillus Justin M. Wood, Brandy N. Wood 2009-7-4 1045 Riverside San Bernardino Valley, Riverside Flood Control Basin, southwest corner of Patton Road and Wineville Road, immediately south of San Bernardino County Line 256 Comment
  SD233355  Potentilla glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49765 Riverside Santa Ana Mountains: Camp Potrero [near junction of Tenaja Truck Trail and Ortega Highway (74)]. Comment
  CAS-BOT-BC356220  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 1066 Comment
  SDSU13486  Primula clevelandii var. clevelandii Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 8 Riverside Santa Margarita Ecological Reserve North End. Comment
  RSA0013883  Proboscidea althaeifolia Justin M. Wood, D. M. Ray 2010-11-1 3070 Riverside Mojave Desert: NE side of SR-177, approx. 1 km NE of Desert Center. 176 Comment
  OBI40586  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Mead Valley, 4.5 mi NW of Perris, along Cajalco rd, 0.2 mi E of its intersection with Clark St (Old Elsinore Rd) Comment
  SEINET2045436 Image available Proboscidea parviflora Howard Scott Gentry 1948-6 8181 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  RSA770882  Prosopis glandulosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4606 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR109534  Prosopis glandulosa R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert, Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saying 'Edmund C. Jaeger Nature Sanctuary' in bottom of canyon at old road crossing 366 Comment
  CAS-BOT-BC202361  Prosopis glandulosa var. torreyana A. C. Sanders; Tracy Tennant; Jeff Ross 1998-8-20 22223 Riverside San Bernardino Mtns.: Morongo Indian Reservoir, Lion Canyon 671 Comment
  POM348733  Prosopis glandulosa var. torreyana Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
Read comments
Jul 5 2010
  RSA0112048  Prosopis glandulosa var. torreyana Duncan S. Bell 2009-10-9 501 Riverside Central section of the Arica Mountains. 458 Comment
  RSA371702  Prosopis glandulosa var. torreyana A. C. Sanders 1986-4-30 6494 Riverside Along the Gilman Springs Road, 0.3 mile SE of Jackrabbit Trail, San Jacinto Valley. Possibly at an old home site, but no evidence of buildings remains. 457 Comment
Read comments
Mar 20 2011
  UCR17319  Prosopis glandulosa var. torreyana Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  UCR39192  Prunus fasciculata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 204 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, at the west side of the main canyon c. 0.5 miles north of Indian Ave. 503 Comment
  HSC85250  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  CAS-BOT-BC356352  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  UC74033  Psathyrotes ramosissima M. F. Gilman 1904-1 46 Riverside Banning Comment
Read comments
Mar 13 2011
  UCR279561  Psathyrotes ramosissima A. C. Sanders, Jim Malusa 2017-3-29 43169 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  UCR33597  Psathyrotes ramosissima Sears 1978-3-18 940 Riverside Sonoran (Colorado) Desert, Corn Springs wash at Corn Spring. 7 mi SE of Desert Center in wash 473 Comment
  SBBG50941  Pseudognaphalium biolettii N. R. Zabriskie 1974-3-27 694 Riverside N side cyn downstream from "Big Pool," Andreas Cyn, N slope San Jacinto Mtns Comment
  SDSU13315  Pseudognaphalium biolettii Shawn Johnston, Calf. Taxonomy Class spring 2000 2000-4-1 12 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR96892  Pseudognaphalium biolettii Scott D. White 1993-3-12 1164 Riverside Near Winchester 466 Comment
  RSA58830  Pseudotsuga macrocarpa R. Weatherby 1950-2-2 s.n. Riverside Canyon, southeast of Sierra Peak, Santa Ana Mts. Comment
  UCR281256  Psilocarphus brevissimus Mitch Provance, Jeremiah George 2017-3-23 317- 66 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  CAS-BOT-BC362111  Psilostrophe cooperi H. M. Hall; L. A. Greata 1905-4-1 5890 Riverside Chuckawalla Bench, Colorado Desert Comment
  JEPS41709  Psorothamnus arborescens var. simplicifolius M. F. Gilman 1904-1 51 Riverside Colorado Desert Comment
  RSA657242  Psorothamnus arborescens var. simplicifolius J. Mark Porter 2001-4-2 12341 Riverside Coachella Valley, Desert Hot Springs, NE of Big Morongo Wash, just N of the jtn. Agusta Avenue and Little Morongo Drive. 412 Comment
  CAS-BOT-BC353612  Psorothamnus emoryi S. B. Parish 1896-4-18 4112 Riverside Palm Springs, Colorado Desert Comment
  CAS-BOT-BC353638  Psorothamnus emoryi E. A. McGregor 1917-3-18 702 Riverside 5 miles up Painted Canyon Comment
  JEPS41730  Psorothamnus emoryi W. L. Jepson 1927-4-14 11697 Riverside Colorado Desert, Silent Canyon, foothills SE end Santa Rosa Mts. 304 Comment
  POM276882  Psorothamnus emoryi Lyman D. Benson 1933-3-31 4189 Riverside Salton Sea-Imperial Co. line. 61 Comment
  SBBG32414  Psorothamnus emoryi L. S. Rose 1959-1-9 Riverside Palm Desert 30 Comment
  SEINET12155978  Psorothamnus emoryi E. A. Purer 1935-1 6463 Riverside In Colorado Desert near Palm Springs Comment
  CAS-BOT-BC340890  Psorothamnus schottii W. R. Dudley 1903-12-25 s.n. Riverside Near Palm Springs Comment
  JOTR31811  Psorothamnus schottii La Doux, Tasha, Bill Truesdell 2007-11-9 2519 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Mouth of canyon parallel to and east of Lost Palms Canyon (Stop 4) 649 Comment
  RSA404250  Psorothamnus schottii N. C. Cooper 1949-4-8 3250 Riverside Palm Springs. 457 Comment
  RSA404255  Psorothamnus schottii D. A. Young 1969-4-18 P 353 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  RSA4940  Psorothamnus schottii Carl B. Wolf 1932-4-27 3057 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  SD146262  Psorothamnus schottii T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 47 Riverside Coachella Valley; 2 mi. NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  SEINET2063920 Image available Psorothamnus schottii Norman C. Cooper 1949-4-8 3250 Riverside Mecca Pass E of Indio. 457 Comment
  UCR178024  Psorothamnus schottii John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  UCR279471  Psorothamnus schottii A. C. Sanders, Jim Malusa 2017-3-29 43192 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR86158  Psorothamnus schottii A. C. Sanders 1995-5-23 17122 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
  POM1899  Psorothamnus spinosus J. S. Clease 1916-03 s.n. Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  SD153019  Pteridium aquilinum var. pubescens Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7313 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR268289  Pteridium aquilinum var. pubescens Jim Andre 2012-6-15 30531 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  OBI40180  Pterostegia drymarioides N. M. Fellows & A. C. Sanders, A. C. Sanders 1985-4-9 125 Riverside Oasis de Los Osos Preserve, off Snow Crk cyn at the N foot of the San Jacinto mts, 1 mi W of Snow Crk Village 488 Comment
  UCR116680  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  SEINET10677907  Quercus X acutidens Greg Gust, Leith Nye 2005-3-11 Gust 541 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1 mile W of Lake Elsinore on hill slope pullout river basin. 481 Comment
  UCD47065  Quercus X munzii Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
  SEINET10678317  Quercus berberidifolia Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR250922  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 6 Riverside San Jacinto Mtns. Foothills/San Gorgonio Pass, south of Beaumont, just east of intersection Highland Springs Ave. and Circle C Ranch 747 Comment
  UCR264643  Quercus berberidifolia Mitch Provance 2012-4-27 412- 20 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
  UCR264647  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 36 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCSB12186  Quercus berberidifolia Breedlove, Dennis 1962-3-11 Riverside 5.7 miles northwest of Mountain Center, at junction with Riverside Highway 1 on State 74 944 Comment
Read comments
Feb 24 2013
  POM122373  Quercus chrysolepis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  SBBG58052  Quercus chrysolepis J. E. Butner 1948-10-3 655 Riverside trail from Idyllwild to San Jacinto Pk 2286 Comment
  SD229170  Quercus chrysolepis Dick Schwenkmeyer 2012-8-27 799 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UC1281192  Quercus chrysolepis H. E. McMinn 1925-7-2 1494 Riverside along Tahquitz trail San Jacinto Mountains Comment
Read comments
Nov 17 2011
  UCR23939  Quercus cornelius-mulleri John C. Roos 1946-10-5 3114 Riverside San Bernardino Mtns., Dry Morongo Canyon 732 Comment
  UCR54430  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8720 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  UCSB1186  Quercus kelloggii Neely, William 1948-10-3 Riverside Fern Valley, Idyllwild, San Jacinto Comment
  UCSB1189  Quercus kelloggii Waian, Lee 1960-5-14 Riverside Montane slope of the San Jacinto Mtns.; 11 miles from Banning on the road to Idyllwild 1219 Comment
  IRVC1361  Quercus turbinella R. H. Whittaker, W. A. Niering 1963-5-27 SJ 10 Riverside San Jacinto Mountains, Hemet Highway. Slope N 35 degrees with granite soil. 1265 Comment
  UCR171  Quercus wislizeni var. frutescens Frank C. Vasek 1955-5-21 215 Riverside San Jacinto Mtns, 1 mile east of Santa Rosa Summit 1463 Comment
  HSC92902  Rafinesquia californica Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA586931  Rafinesquia californica D. L. Banks, Peter Morrell 1995-5-4 0297 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Woodchuck Trail. 548 Comment
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  RSA472430  Rafinesquia neomexicana E. C. Jaeger 1922-3-25 705 Riverside Murray Canyon 274 Comment
Read comments
Mar 8 2012
  RSA799239  Rafinesquia neomexicana Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 746 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  POM11506  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  UC827712  Ranunculus cymbalaria var. saximontanus Crawford and Johnston 1917-6-9 1219 Riverside near Corona; Santa Ana River Comment
  UCR35155  Ranunculus cymbalaria var. saximontanus L. B. Ziegler 1967-8-29 216 Riverside San Jacinto Mtns, Meadow in Hemet Valley 1418 Comment
  UCR97494  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  HSC28009  Rhamnus ilicifolia Richard Spjut 1973-4-13 3301 Riverside Mojave Desert, mtns. near Morongo Pass near Hwy. 62 915 Comment
  RSA391105  Rhamnus ilicifolia Gale Sphon 1955-5-7 s.n. Riverside Elsinore Mnt. , Horsethief Canyon, Santa Ana Mtns. Comment
  RSA391108  Rhamnus ilicifolia Christopher Davidson 1977-5-18 5620 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA518505  Rhamnus ilicifolia Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  UCR111234  Rhamnus ilicifolia Ward B. Holt 1941-10-23 1941- 19 Riverside Southern Mojave Desert, Road to Keys [View] Point, Joshua Tree National Monument Comment
  POM19809  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1923-7-1 2189 Riverside Fern Valley. 1677 Comment
Read comments
Nov 18 2011
  RSA674923  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam De Vries 2000-4-25 7731 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA561082  Rhus integrifolia Steve Boyd, Orlando Mistretta 1992-4-22 7000 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA346257  Rhus ovata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54059 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
Read comments
Apr 30 2011
  SD229048  Rhus ovata Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 892 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SFV2147  Rhus ovata F. L. McPherson 1959-5-9 Riverside Coastal Sage community southeast of Banning, on northeast slope of mountain. Comment
  CLARK-A1528-120  Rhus trilobata var. pilosissima Fred B. Essig 1967-3-18 Riverside Riverside Comment
  CAS-BOT-BC108719  Ribes cereum Louis C. Wheeler 1931-10-3 237 Riverside 1.5 mile north Tahquitz Peak, San Jacinto Mountains. 2514 Comment
  POM12883  Ribes cereum P. A. Munz 1922-7-6 6002 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CAS-BOT-BC173136  Ribes indecorum A. J. McC. 1892-5-20 70 Riverside [Canon] Canyon of St. Rosa Mts., near Elsinore Comment
  RSA3121  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA38708  Ribes indecorum Percy C. Everett 1945-6-7 11501 Riverside Indian Canyon, along Indian Canyon Truck Trail. 777 Comment
  RSA702742  Ribes indecorum Scott D. White, Michael Honer 2004-4-6 10044 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA575881  Ribes malvaceum var. viridifolium Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain in steep canyon at the border of NW 1/4 Sec. 5 and NE 1/4 Sec. 6. 610 Comment
  RSA335001  Ricinus communis Steve Boyd 1985-7-30 1045 Riverside De Luz rd., 7.8 miles west of Rancho [California]. Roadside weed along Sandia Creek, infrequent. Comment
Read comments
Apr 16 2009
  UCR251975  Romneya coulteri Marissa Manahan 2011-4-25 s.n. Riverside Walker Canyon, along I-15 Freeway NW of Lake Elsinore Comment
  UCR1084  Rorippa nasturtium-aquaticum J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mtns., stream running into Hemet Lake 1326 Comment
  RSA727336  Rorippa palustris subsp. occidentalis Fred M. Roberts, Sandra Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon: Santa Ana River, across from Green River Golf Course, 0.15 km W Green River Road Bridge. 128 Comment
  SDSU13630  Rosa californica W. Miller, C. Mosse 1972-7-20 Riverside Comment
  UC64527  Rosa californica H. M. Hall 1897-6-4 588 Riverside Riverside Comment
  POM366415  Rubus parviflorus M. B. Dunkle 1933-7-21 3731 Riverside Idyllwild. 1616 Comment
  CAS-BOT-BC433587  Rumex hymenosepalus Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3954 Riverside Vail Lake area, granitic ridge at S end of Black Hills S of 'Big' Oak Mtn. 731 Comment
  RSA466097  Rumex hymenosepalus N. C. Cooper 1945-3-24 1613 Riverside Cabazon. 457 Comment
  UCR84876  Rumex hymenosepalus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16203 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  RSA356720  Rumex salicifolius Robert F. Thorne, Earl Lathrop 1975-5-25 45528 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA444472  Rupertia physodes J. C. Roos 1960-5-30 s.n. Riverside Santa Ana Mountains: Ridge N of Bedford Peak with Calochortus albus, semi shade 1220 Comment
  JEPS65655  Rupertia rigida Carl V. Meyer 1927-6-18 780 Riverside summit of grade between Coahuila and Kenworthy; Hamilton Grade Comment
  RSA608473  Sagina saginoides L. C. Wheeler 1961-6-20 7894 Riverside West fork of Tahquitz Creek. 2378 Comment
  UCR260268  Salazaria mexicana A. C. Sanders, Jim Malusa 2015-3-11 41410 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR89544  Salazaria mexicana Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino Mtns., Joshua Tree National Monument [now National Park]: Hidden Gold Canyon 1115 Comment
  POM360990  Salix exigua Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SBBG58881  Salix exigua F. R. Fosberg 1932-3-13 8083 Riverside Thousand Palms Cyn Comment
  SDSU9444  Salix exigua A. H. Gallup 1949-3-28 360 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope. 762 Comment
Read comments
Jan 30 2013
  SEINET10386575  Salix exigua P. A. Munz 1949-4-13 13046 Riverside Sonoran (Colorado) Desert, W end of Eagle Mountains, above Cottonwood Springs. 1097 Comment
  UCR11299  Salix exigua O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UC847053  Salix exigua var. hindsiana I. M. Johnston 1918-5-26 1994 Riverside nw of Cornoa; Santa Ana R. 152 Comment
Read comments
Nov 20 2011
  UC846813  Salix gooddingii I. Johnston 1917-6-5 1235 Riverside fills s of Arlington 365 Comment
Read comments
Mar 30 2011
  UCR275356  Salix gooddingii T. B. Salvato, Melissa Clemons 2005-6-9 1499 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR91919  Salix laevigata A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18102 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR214712  Salsola paulsenii A. C. Sanders, Richard Dwerlkotte 2010-3-22 37522 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  RSA0094963  Saltugilia australis A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 s.n. Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  UCR120649  Saltugilia australis D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1792 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA0094959  Saltugilia australis Steve D. Boyd 1992-4-14 6836 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail. 341 Comment
  CAS-BOT-BC232920  Saltugilia latimeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  UCR262251  Saltugilia latimeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3746 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
  UCR262281  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 Riverside Peninsular Range, 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
  SDSU12262  Salvia apiana Jeremy Mass, Ryan Jacobsen 2000-4-19 8 Riverside Roadside along Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCR145825  Salvia apiana June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  HSC14338  Salvia columbariae R. A. Eagle 1964-3-28 29 Riverside 7 mi. this side of Palm Springs Comment
  RSA401479  Salvia columbariae D. A. Young 1969-3-21 P- 317 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  SDSU7472  Salvia columbariae Stan Matler 1938-5-13 Riverside Lake Elsinore. Comment
Read comments
Jul 8 2009
  UC1979870  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 768 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  UCR103189  Salvia columbariae Scott D. White, Julie Greene 1997-3-12 4784 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR256802  Salvia columbariae T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7866 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  JOTR00903  Salvia columbariae Sipe, Frank 1958-3-7 225 Riverside Joshua Tree National Park. PINTO BASIN Comment
  UC416703  Salvia eremostachya L. G. Childs 1920-11-26 Riverside Martinez Canyon; Colorado Desert, Santa Rosa Mts. Comment
  CAS-BOT-BC6097  Salvia greatae Harvey Monroe Hall; L. A. Greata 1905-4-22 5848 Riverside Colorado Desert; near Dos Palmas Comment
  RSA434135  Salvia mellifera N. C. Cooper 1944-5-6 1213 Riverside Banning. 701 Comment
  RSA552756  Salvia mellifera Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6742 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  SEINET2445422  Salvia mellifera Daphne K. Christopher, Hannah Stevens 2003-4-4 88 Riverside Uc Riverside, Motte Rimrock Reserve. 530 Comment
  UCR172792  Salvia mellifera Wayne Law, Jun Hu 2000-5-16 14 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR35339  Salvia mellifera L. B. Ziegler 1969-4-25 346 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  SD67623  Salvia pachyphylla subsp. pachyphylla Victor Duran 1933-7-1 3490 Riverside Santa Rosa Mts. near Vandeventer Flat 1676 Comment
  CAS-BOT-BC233348  Salvia vaseyi Philip A. Munz; I. Johnston 1922-5-7 5285 Riverside Mouth of Dry Morongo Wash 365 Comment
  RSA0123083  Salvia vaseyi Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8976 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SEINET12327259  Salvia vaseyi P. H. Raven 1958-1 12929 Riverside SW of Palm Desert 10.2mi on State Hwy 74, San Jacinto Mts 762 Comment
  SEINET3083226 Image available Sambucus nigra subsp. canadensis Marc Mittleman 1982-5-25 Riverside Gentry Exp. Farm, Los Alamos Rd. Murietta 366 Comment
  UCR37679  Samolus parviflorus George K. Helmkamp 1984-5-2 D 22 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR132860  Sanicula arguta Kent Beaman 1983-4-24 25 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  JEPS89259  Sanicula bipinnatifida Rimo Bacigalupi, and L. Heckard 1962-3-25 8386 Riverside just n Bedford Canyon (about 5 mi se of Corona, low rolling hills at e base of mts.); Santa Ana Mountains 304 Comment
  UC73287  Sanicula bipinnatifida M. F. Gilman 1904-1 48 Riverside Southern California, Banning Banning; Southern California, Banning Comment
Read comments
Mar 21 2011
  POM9015  Sanicula bipinnatifida P. A. Munz, Harwood 1920-3-20 3382 Riverside 5 miles S of Corona. 305 Comment
  CLARK-A1045-191  Sanicula crassicaulis George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  UCR91679  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  SD128323  Sarcodes sanguinea R. Mitchel Beauchamp 1971-5-15 2414 Riverside San Jacinto Mountains, Black Mt. campground 2207 Comment
  UCR155296  Sarcostemma cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 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
  UC495324  Sarcostemma cynanchoides subsp. hartwegii P. A. Munz 1932-4-24 12397 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  UC73512  Sarcostemma cynanchoides subsp. hartwegii M. F. Gilman 1904-1 35 Riverside Banning Comment
Read comments
Mar 13 2011
  UCR129153  Sarcostemma hirtellum Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR189575  Satureja chandleri Amy Rowland 2007-4-26 58 Riverside Peninsular Range, Santa Rosa Plateau east slope of Mesa de Burro off of Guava Rd 349 Comment
  UCR213272  Schismus arabicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37432 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  CHSC109698  Schismus barbatus Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10474 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs tram station. Comment
  NY1088731  Schismus barbatus D. K. Christopher 2003-4-4 91 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA469302  Schismus barbatus Christopher Davidson 1973-4-1 1811 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA478502  Schismus barbatus Christopher Davidson 1973-4-1 1790 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SD224806  Schismus barbatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19872 Riverside Lake Skinner area: lower Rawson Canyon just NE of the lake along the road. 456 Comment
  UCR19303  Schismus barbatus John C. Roos 1952-3-19 5400 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  UCR56086  Schismus barbatus J. A. Adams 1966-3-12 440 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  RSA651615  Schismus barbatus Marion P. Harthill 1971-3-19 27 Riverside Palm Desert. Comment
  SEINET10519169  Schismus barbatus A. K. Evans 1976-4-13 Evans 5131 Riverside Desert canyons of Santa Rosa Mountains. Comment
  SDSU13638  Schoenoplectus californicus W. Miller 1972-8-24 Riverside Comment
  UCR60253  Scirpus cernuus var. californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3638 Riverside Butterfield Valley, Vail Lake area, Temecula Creek, SE of the lake, just north of Hwy 79 488 Comment
  RSA736791  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCSB46710  Scrophularia californica Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  RSA425198  Scrophularia californica subsp. floribunda Christopher Davidson 1975-6-16 2801 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  CAS-BOT-BC341108  Scutellaria mexicana Ivan Johnston 1917-4-4 1115 Riverside Palm Canyon Comment
  RSA740624  Scutellaria siphocampyloides Scott D. White, Justin M. Wood 2008-7-8 12378 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UC488840  Scutellaria siphocampyloides C. V. Meyer June 1927 173 Riverside San Jacinto Mountains 1676 Comment
  CLARK-A1528-3131  Scutellaria tuberosa John C. Roos 1950-4-15 4734 Riverside Reche Canyon 822 Comment
  HSC83018  Selaginella bigelovii N. M. Fellows 1984-11-12 20 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mtns., 1 mi. W of Snow Creek Village 488 Comment
  POM47174  Selaginella bigelovii Mary F. Spencer 1920-4-7 1468 Riverside Palm Canyon; Colorado Desert. 244 Comment
  RSA684086  Selaginella bigelovii Robert Gustafson 1980-5-5 1569 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash 610 Comment
  SD134577  Selaginella bigelovii Craig Reiser 1987-5-15 Riverside Barren hills north of Sun City Comment
Read comments
Apr 9 2008
  RSA85940  Selaginella eremophila Frank W. Peirson 1920-2-15 1531 Riverside Tahquitz Canyon near Palm Springs Comment
  UC813068  Selaginella watsonii P. A. Munz 1922-6-27 5869 Riverside Toro Peak; Santa Rosa Mts. 2529 Comment
  UCR93842  Senecio californicus Kent Beaman 1996-4-18 s.n. Riverside Peninsular Range, 6-7 miles east of Temecula, 40 acre parcel on De Portola Road, opposite Calle de Oro Comment
  RSA94668  Senecio douglasii var. monoensis F. W. Peirson 1928-4-23 7890 Riverside 2.5 miles below Cottonwood Spring, northern Colorado Desert Comment
  JOTR36096  Senecio flaccidus var. douglasii La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3374 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  RSA263695  Senecio flaccidus var. douglasii E. W. Lathrop 1976-11-1 7600 Riverside Bedford Truck Trail of the Cleveland National Forest, Trabuco District. 915 Comment
  UC575024  Senecio flaccidus var. monoensis C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Wells; Little San Bernardino Mts. Comment
  RSA457797  Senecio mohavensis Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA94665  Senecio mohavensis F. W. Peirson 1927-4-12 7156 Riverside In Painted Canyon near Mecca. Comment
  RSA523870  Senecio vulgaris Gordon H. True 1935-4-1 199 Riverside Box Springs. 366 Comment
  UCSB8569  Senegalia greggii Haller, John 1950-5-21 Riverside Coachella Valley, 2 miles up Palms to Pines Highway, near base of mountains Comment
  SD247432  Senna armata A. C. Sanders, Jim Malusa 2015-9-10 41855 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  UC1191601  Sesbania herbacea Malcolm A. Nobs and S. Galen Smith 1948-9-3 500 Riverside 2 mi n Indio; Imperial Valley Comment
  UC574994  Sesuvium verrucosum C. Epling, J. Ewan June, 1933 Riverside s shore of Lake Elsinore Comment
  UCR266904  Sesuvium verrucosum D. E. Bramlet 2005-7-13 3902 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  SEINET239062 Image available Setaria italica Bill Isom 1973-10-30 206 Riverside Moreno Valley: Cultivated experimentally at UC Moreno Valley Field Station south of Allesandro (&Cactus) between nason 457 Comment
  CDA2450  Setaria viridis A. C. Sanders 2004-8-1 28761 Riverside Perris-Aguanga Region; 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo. Comment
  UCR207321  Setaria viridis O. F. Clarke 2001-6-10 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  UCD169622  Sherardia arvensis Steve Boyd; Jennifer Pilapil 2005-7-4 11633 Riverside Coastal Plains and Basins; San Bernardino Basin region: City of Riverside, Wood Streets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 243 Comment
  RSA0002000  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6783 Riverside Santa Ana Mts., Elsinore Peak area south of Lake Elsinore, on Onion Hill, a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 1012 Comment
  UCR138762  Sidalcea malviflora Scott D. White 1997-5-18 5166 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR90493  Sidalcea malviflora F. M. Reed 1933-5-31 7818 Riverside San Jacinto Mtns., Vandeventer Flats 1433 Comment
  RSA162852  Sidalcea malviflora subsp. sparsifolia John Olmsted 1958-6-15 176 Riverside May Valley Truck Trail 2 mi. SE of Saunder s Meadow SW of Idyllwild Calif. (turn S from Idyllwild-Hemet Rd. at Idyllwild school.) 1646 Comment
  RSA68329  Sidalcea malviflora subsp. sparsifolia G. R. Campbell 1951-5-30 16147 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  CAS-BOT-BC109420  Sidotheca emarginata Louis B. Ziegler 1964-8-1 s.n. Riverside Road above Kenworthy Ranger Station, Garner Valley, San Jacinto Mountains. 1463 Comment
  SBBG62380  Sidotheca emarginata E. C. Jaeger 1922-7-21 Riverside Pines to Palms trail 1524 Comment
  RSA65708  Silene antirrhina F. W. Peirson 1919-4-14 5321 Riverside Murray Canyon near Palm Springs 381 Comment
  UCR107822  Silene laciniata subsp. major D. L. Banks 1997-5-5 2009 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
  SBBG101641  Silene multinervia S. Boyd, T. Ross 1990-5-11 4628 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs Cmpgrd, S of Hwy 79 548 Comment
  CAS-BOT-BC389579  Silene parishii H. M. Hall 1901-7-1 2549 Riverside San Jacinto Mountains. Fuller's Mills Mountains 2194 Comment
  POM281  Silene parishii var. viscida H. M. Hall 1901-07 4688 Riverside Fuller s Mills Mt. 2195 Comment
  RSA6014  Silene verecunda subsp. platyota C. B. Wolf 1932-8-5 3931 Riverside Summit of Devil s Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  RSA421796  Simmondsia chinensis N. C. Cooper 1949-4-8 3286 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA798981  Simmondsia chinensis Jim Andre 2012-3-19 21326 Riverside Chuckwalla Mtns: N end of range at Jaeger Nature Sanctuary, 1.5 mi S of Jct Eagle Mt Rd and I-10 freeway. 411 Comment
  SBBG118723  Sisymbrium altissimum L. C. Wheeler 1955-6-16 7162 Riverside E of Mountain Center 1402 Comment
  VVC152