Search Results — 2000 specimen records retrieved (1883 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519128  Abies concolor F. C. Vasek 1977-11-25 771125 -5 Riverside San Jacinto Mountains, area around Boulder Basin Campground, just below Black Mountain Look Out. Comment
  CAS-BOT-BC229310  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  CAS-BOT-BC229351  Abronia villosa Milo S. Baker 1928-4-5 2848 b Riverside Palm Springs Comment
  CAS-BOT-BC229355  Abronia villosa F. O. Ballou 1926-2-25 s.n. Riverside Indian Wells Comment
  CAS-BOT-BC229360  Abronia villosa Ira L. Wiggins 1937-3-9 8769 Riverside North of Indio Comment
  CLARK-A1528-3256  Abronia villosa John C. Roos 1946-9-14 3017 Riverside San Jacinto Mountains 1371 Comment
  RSA0040167  Abronia villosa Sarah J. De Groot, April Garbat 2013-3-28 6995 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  SEINET785365  Abronia villosa Lewis S. Rose 1967-1 67184 Riverside 6 miles southeast of Thousand Palms. 15 Comment
  SEINET11941850  Abronia villosa E. A. Purer 1935-1 6453 Riverside Near Palm Springs, W edge of Colorado Desert Comment
  POM229027  Abronia villosa var. aurita P. A. Munz 1937-3-31 15113 Riverside Head of Coyote Canyon. 1006 Comment
  RSA461182  Abronia villosa var. aurita N. C. Cooper 1949-3-15 3035 Riverside Palm Springs 122 Comment
  RSA60832  Abronia villosa var. aurita Frank W. Gould 1943-4-17 2119 Riverside 12 miles south of Corona on road to Elsinore. Comment
  UCD109810  Abronia villosa var. aurita R. N. Raynor 1933-3-31 s.n. Riverside Colorado desert, east of Palm Springs. Comment
  UCR248052  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Mojave Desert, Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  UC1922399  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  LA26702  Acamptopappus sphaerocephalus William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  CAS-BOT-BC20352  Achillea millefolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC218715  Achnatherum coronatum S. B. Parish; W. F. Parish 1882-5-1 872 Riverside Foothills of the San Bernardino Mts. Comment
Read comments
Aug 31 2019
  RSA6073  Achnatherum coronatum C. B. Wolf 1932-5-24 3660 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  UC70982  Achnatherum coronatum H. M. Hall April 1903 3790 Riverside vicinity of Riverside 365 Comment
  CAS-BOT-BC216888  Achnatherum occidentale Ralph Hoffman 1929-9-8 s.n. Riverside Mount San Jacinto [San Jacinto Mountains] 2133 Comment
  UC1578000  Achnatherum speciosum M. Barkworth 1981-5-8 3406 Riverside near Aguanga 914 Comment
  CAS-BOT-BC384714  Achyronychia cooperi Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  UC1922060  Acmispon glaber Scott D. White, Angelia Carey 2004-4-5 10005 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  JOTR34097  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  OBI5743  Acmispon micranthus Charlotte M. Wilder 2004-4-26 61 Riverside Wilder's Canon Jurupa Hill Comment
  RSA0123348  Acmispon rigidus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9007 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
  UCR89856  Acourtia microcephala Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3314 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
  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
  SD229249  Adenostoma fasciculatum Dick Schwenkmeyer 2012-10-16 930 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  CAS-BOT-BC139871  Adenostoma sparsifolium Louis C. Wheeler 1941-10-4 175 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  CAS-BOT-BC139875  Adenostoma sparsifolium Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UC519765  Adenostoma sparsifolium C. Epling 1931-10-4 Riverside Hemet to Idylwild Comment
  UCD112516  Adenostoma sparsifolium Donald Myrick 1964-4-29 810 Riverside Palms Highway 74, 15 miles E of Hemet. 1219 Comment
  SEINET5641184  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28521 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
Read comments
Mar 25 2011
  UCR201681  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-5-15 11959 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  RSA762008  Agrostis Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 660 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR193964  Agrostis A. C. Sanders 2008-7-25 35887 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
  POM162734  Agrostis exarata Ralph Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mountains 1829 Comment
  RSA24222  Allenrolfea occidentalis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, E side of Salton Sea. 1/2 way between Date Palm Beach and Salton Beach. -70 Comment
  CAS-BOT-BC434482  Allionia incarnata Carl B. Wolf 1932-4-27 3002 Riverside Colorado Desert. 17 mi. E. of Mecca, on Blythe Road. 152 Comment
  SEINET3134334  Allionia incarnata N. H. Holmgren, R. E. Kern 1973-3-20 6411 Riverside Big Maria Mts., 12 airline miles north of downtown Blythe 290 Comment
  UC851825  Allionia incarnata Ivan Johnston 1917-4-4 Riverside Colorado Desert, at mouth of Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 228 Comment
  UCR35199  Allionia incarnata L. B. Ziegler 1966-9-13 83 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  JOTR33712  Allionia incarnata var. incarnata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1001 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA0118005  Allionia incarnata var. incarnata Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7623 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCSB24425  Allium fimbriatum Kimsey, M. 1966-5-8 Riverside Along Pinyon Flats Campground road, 400 yds. east of its junction with Hwy. 74, 10 mi. south of junction of Hwy. 71 and Hwy. 74 1219 Comment
  RSA180344  Allium haematochiton E. W. Lathrop 1965-5-30 5772 Riverside 6 miles W of Murrieta. Comment
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA770511  Allium munzii S. Mashayekhi, Steve Boyd 2010-4-22 SM 049 Riverside Warm Spring Valley, Alberhill Creek, Baker St. 1.2 miles east of its junction with Pierce St. 397 Comment
  RSA770515  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 013 Riverside South of Idaleona Road, south of Harford Springs Co. Park 640 Comment
  SBBG92807  Allium munzii S. Boyd 1986-4-22 1781 Riverside N of summit of Estelle Mtn, Gavilan Hills; T5S R5W NE1/4 NE 1/4 S5 841 Comment
  SJSU7104  Allium munzii N. D. Addy 1962-4-16 Riverside by Railroad Canyon Rd c. 4-5 mi E of Elsinore 396 Comment
  POM17546  Allium peninsulare var. peninsulare H. Baer 1923-4-15 s.n. Riverside 3 miles east of Glen Ivy. Comment
  UCR193316  Allophyllum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35595 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  UCR251983  Allophyllum A. C. Sanders, T. B. Salvato 2014-7-2 41180 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR44452  Allophyllum divaricatum A. C. Sanders, B. Pitzer 1986-4-30 6486 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  POM14418  Alopecurus saccatus P. A. Munz, I. M. Johnston 1922-5-19 5376 Riverside Menifee Valley. Comment
  RSA704856  Amaranthus J. B. B. 1934-6-18 528 Riverside Snow Creek; base of San Jacinto. Comment
Read comments
Feb 16 2013
  JOTR35163  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  JOTR30834  Amaranthus fimbriatus Andre, Jim, Tasha La Doux 2008-9-16 10706 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  UCR272670  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  CAS-BOT-BC226254  Amaranthus palmeri A. C. Sanders 2011-9-15 39896 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
  RSA339245  Amaranthus torreyi R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53593 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  POM320502  Ambrosia acanthicarpa Patricia Wilder 1970-10-15 4767 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  RSA544299  Ambrosia acanthicarpa Steve Boyd 1991-9-8 6427 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  RSA737123  Ambrosia acanthicarpa Justin M. Wood 2008-10-15 189 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR178040  Ambrosia acanthicarpa Scott D. White 2003-9-9 9826 Riverside San Jacinto Mtns, Pine Cove area, Dutch Flat 1753 Comment
  UCR3416  Ambrosia acanthicarpa Heidi A. Haid 1964-5-19 64519- 1 Riverside east end of Blaine St. at Box Springs Mtn. 428 Comment
  UCR34910  Ambrosia acanthicarpa L. B. Ziegler 1967-7-27 194 Riverside San Jacinto Mtns., Hemet (Garner) Valley 1387 Comment
  POM48486  Ambrosia confertiflora Philip A. Munz, I. M. Johnston 1924-7-29 8887 Riverside Banning. Comment
  UCR109521  Ambrosia confertiflora R. D. Goeden, Don W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands, W of Beaumont, south side of Hwy 60, 2 miles west of Jackrabbit Trail 686 Comment
  LA202898  Ambrosia dumosa F. R. Fosberg; 1932-3-13 8071 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA416967  Ambrosia dumosa A. Menke 1955-4-25 s.d. Riverside Mouth of Tahquitz Canyon, Palm Springs. Comment
Read comments
Sep 10 2011
  RSA568650  Ambrosia dumosa A. C. Sanders, E. J. Lawlor 1992-4-4 12092 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SEINET3197209 Image available Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert; Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. (Desert Hot Springs 7.5') 396 Comment
  UC724343  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-28 3297 Riverside near n end, on Hwy 111, Salton Sea Comment
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Jul 14 2012
  UCSB39058  Ambrosia ilicifolia Jorgensen, Jan 1982-3-22 Riverside Corn Spring Oasis, Chuckwalla Mountains 600 Comment
  UC1523648  Ambrosia psilostachya Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61194 Riverside along Cole Canyon; Santa Rosa Plateau 533 Comment
  UCR115929  Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  UCR230057  Ambrosia pumila Tara Schoenwetter 2011-7-15 s.n. Riverside Peninsular Range, Alberhill, east of Lake St. at NW end of Alberhill Mountain, S of I-15 and opposite the end of Temescal Canyon Rd. 379 Comment
  SD229060  Ambrosia salsola Dick Schwenkmeyer 2012-11-6 862 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UC724134  Ambrosia salsola Aven and Ruth Nelson 1939-3-30 3346 Riverside between Mecca and Blythe (old highway) Comment
  UC480978  Ambrosia salsola var. salsola unknown May 1 1906-May 10 1906 Riverside desert at Palm Springs; Colorado Desert Comment
Read comments
Apr 17 2011
  UC68914  Ambrosia salsola var. salsola H. M. Hall 1905-5-1 5983 Riverside Chuckawalla Springs Colorado Desert Comment
  UC1046273 Image available Ammoselinum giganteum P. A. Munz and D. Keck 1922-4-13 4930 Riverside Chuckawalla Valley; ; Chuckawalla Valley, Colorado Desert 152 Comment
  JEPS35491  Amorpha californica var. californica W. L. Jepson 1901-5-25 1446 Riverside Santa Rosa Indian Village Santa Rosa Mts. 1981 Comment
  LA204911  Amorpha californica var. californica Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  RSA764130  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 571 Riverside Cleveland National Forest Comment
  SD229148  Amorpha californica var. californica Dick Schwenkmeyer 2012-8-7 784 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR147898  Amorpha californica var. californica Dave Goodward 2002-6-30 s.n. Riverside San Bernardino Valley Region, along Reche Canyon Road, c. 2 miles from Moreno Valley end 549 Comment
  POM28421  Amorpha fruticosa E. E. Schellenger 1901-07 7565 Riverside Toro Mtn. Comment
  UC597728  Amorpha fruticosa Philip A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring Santa Rosa Mts. (n end of mts.) 1097 Comment
  SEINET7073310  Amsinckia eastwoodiae A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  POM287416  Amsinckia intermedia Lyman Benson 1932-3-26 3163 Riverside 3 miles N [of] Temecula. 457 Comment
  RSA660549  Amsinckia intermedia Lydia Paneri 1982-4-17 8 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SD237358  Amsinckia intermedia A. C. Sanders, Matthew Malle 2010-4-23 37985 Riverside Peninsular Range: Menifeee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  SD239634  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38808 Riverside Peninsular Rangte: Perris-Aguanga Basin Region: Menifee Valley between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-125 Fwy (Romoland 7.5'Q) 433 Comment
  SDSU18970  Amsinckia intermedia C. Matt Guilliams 2008-2-21 468 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  SDSU18973  Amsinckia intermedia C. Matt Guilliams 2008-2-27 487 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCR163424  Amsinckia intermedia B. G. Pitzer 1998-1-25 3423 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR37711  Amsinckia menziesii A. C. Sanders 1985-3-18 5404 Riverside Riverside; UCR campus. Field between Lothian Dorm and Watkins Drive 335 Comment
  UCR228843  Amsinckia retrorsa A. C. Sanders, Nathan Moorhatch 2011-3-22 38786 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  SEINET12491770  Amsinckia spectabilis H. M. Hall 1897-3-20 s.n. Riverside Gavilan [Hills]. Comment
  POM368407  Amsinckia tessellata Severance 1926-2-20 s.n. Riverside Andreas Canyon. Comment
Read comments
May 14 2013
  RSA500099A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA559934  Ancistrocarphus filagineus Steve Boyd 1992-4-18 6903 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  RSA92461  Ancistrocarphus filagineus J. C. Roos, L. Roos 1954-5-11 6118 Riverside Reche Canyon (Same locality as number 4773) 610 Comment
  UCR254625  Androstephium breviflorum Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24397 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  RSA356999  Anemopsis californica R. F. Thorne 1973-5-23 43878 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 609 Comment
  RSA700939  Anemopsis californica Michael Wall 2000-7-16 144 Riverside San Jacinto Valley: South side of Ramona Expressway, 0.5mi. E of Sanderson Ave. in swale along agricultural field fence. 457 Comment
  POM187412  Angelica tomentosa L. Crutcher 1933-8-2 10 Riverside Camp Tahquitz, San Jacinto Mountains. Comment
  RSA500552  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3595 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA736898  Antirrhinum coulterianum Scott D. White, Justin M. Wood 2008-4-16 11888 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UC1537411  Antirrhinum coulterianum Gordon H. True Jr. 1935-4-10 223 Riverside Box Springs; Sycamore Canyon 365 Comment
  UC672557  Antirrhinum coulterianum Herbert L. Mason 1926-5-2 3194 Riverside Aguanga Valley Comment
  UC64224  Antirrhinum nuttallianum subsp. nuttallianum H. M. Hall 1897-6-1 Riverside Riverside foothills Riverside Comment
  CLARK-A1528-135  Apiastrum angustifolium Heather Johnston 1967-5-6 050667-1 Riverside Santa Ana Mountains 975 Comment
  UCR3407  Apiastrum angustifolium John Minnich 1964-4-7 64-04-0-7- 3 Riverside Box Springs Mtns, Two Trees Canyon, Riverside 367 Comment
  JEPS16039  Apium graveolens H. M. Hall May 17 1901-June 1, 1901 Riverside Riverside, Journey from Riverside to Santa Rosa Peak and Palomar, Southern California Riverside Comment
  POM78905  Apium graveolens I. M. Johnston 1925-7-19 5332 Riverside Pedley-Arlington Road. Comment
  POM78907  Apium graveolens I. M. Johnston 1925-7-19 s.n. Riverside Pedley-Arlington Road. Comment
  RSA263646  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  POM366954  Aquilegia formosa var. truncata E. A. McGregor 1954-9-16 s.n. Riverside Idyllwild, San Jacinto Mountains Comment
  POM293087  Arabis pulchra Lyman Benson 1946-4-15 12033 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA629128  Arctostaphylos Jon E. Keeley 1992-7-17 16783 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629398  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19527 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629441  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16554 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629445  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16587 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631751  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19264 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631755  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16508 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA631771  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15078 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631775  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19273 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631790  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15532 Riverside Road to Elsinore Peak 2.8 km south of Highway 74. 870 Comment
  RSA631793  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19560 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631832  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15528 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA633532  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20162 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633576  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21774 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633614  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21754 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633697  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16659 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633750  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21783 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633753  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16635 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633770  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16674 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  UCR135826  Arctostaphylos pringlei subsp. drupacea Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9013 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  POM12981  Arctostaphylos pungens P. A. Munz, I. M. Johnston 1922-5-20 5491 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  RSA635769  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16542 Riverside Red Mountain Road, 8.7 km east of R3. 1000 Comment
  SD229131  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 680 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA636026  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18799 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  SD180726  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 410 Riverside Santa Margarita Ecological Reserve, on ridgeline above the Santa Margarita River to the south. 299 Comment
  UCR209396  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6515 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, northwest corner of El Calamar Road and Via Escalon, 1.6 km west-northwest of the summit of Mesa de La Punta 536 Comment
  CAS-BOT-BC137648  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Martinez Canyon, Santa Rosa Mountains. 365 Comment
  JOTR32426  Aristida adscensionis La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2212 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UCR229271  Aristida adscensionis Ginny Short 2011-3-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Canyon Rd., c. 9 miles due east of Cathedral City 183 Comment
  UCR72762  Aristida adscensionis Megan Phillips 1991-10-17 92- 20 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Palm Springs, Tahquitz debris bain at base of Tahquitz Canyon, off Sunnydunes Drive Comment
  UCD56556  Aristida purpurea var. nealleyi A. A. Beetle 1946-6-10 4406 Riverside Near Palm Springs. Comment
  UCD56562  Aristida purpurea var. nealleyi Peter H. Raven 1958-5-18 12986 Riverside San Jacinto Mountains, Pinyon Flats. Comment
  RSA575883  Aristida purpurea var. parishii Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills regiion, upper western flank of Estelle Mountain. 671 Comment
  SD5834  Artemisia douglasiana F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
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Aug 21 2007
  POM9852  Artemisia ludoviciana subsp. albula E. C. Jaeger 1921-12-7 s.n. Riverside Tahquitz Canyon, Palm Springs. 244 Comment
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Nov 5 2011
  SD119914  Artemisia nova Louis B. Ziegler 1964-8-20 1 Riverside San Jacinto Mountains, Garner (Hemet) Valley, bench above Kenworthy Ranger Station on Old Morris Ranch Road 1615 Comment
  RSA0048565  Artemisia tridentata Nancy Anderson 1955-5-21 s.n. Riverside Van der Venter [Vandeventer] Flats. Comment
  SEINET3919668  Arundo donax Faulkner 1978-4-27 481 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  RSA0040026  Asclepias albicans Duncan S. Bell, Evan Meyer 2014-4-1 6488 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  SD247302  Asclepias albicans Andy Sanders, Jim Malusa 2015-3-10 41386 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range. 611 Comment
  SEINET3082098 Image available Asclepias erosa Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6487 Riverside Chuckwalla Valley, 2.8 miles northeast of Desert Center 198 Comment
  UC479245  Asclepias erosa Marcus E. Jones, A. M. 1931-9-15 28744 Riverside Hayfields [Colorado Desert, toward Desert Center] Comment
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Jun 12 2012
  CHSC125  Asclepias subulata V. Holt 1957-3-31 Riverside Colorado River n. of Blythe 91 Comment
  UCD121362  Asclepias subulata Geoffrey Levin 1975-12-7 659 Riverside Painted Canyon, about 9 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sink drainage area. 76 Comment
  RSA690945  Aster ascendens Scott D. White 2003-10-9 9820 -A Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCD166215  Astragalus Jack Major 1962-4-16 767 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA23110  Astragalus aridus I. L. Wiggins 1938-3-19 8901 -A Riverside 25 miles W of Blythe. Comment
  SD211451  Astragalus aridus Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1212 Riverside 30 miles west of Blythe near Palen Dry Lake. From I-10 exit Corn Springs Road and go north for about 10 miles. The population is common on the south, southwest side of Palen Dry Lake. Comment
  RSA0054857  Astragalus aridus W. Marquart 1938-3-12 s.n. Riverside Ten mi. West of Blythe. Comment
  JOTR32189  Astragalus bernardinus Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UCR146120  Astragalus bicristatus Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1460 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, along 7S02 Road above Virgin Spring 2379 Comment
  UCD104690  Astragalus crotalariae David S. Verity; Jane Turner, Francis M. Ball 1964-2-15 SK and F 1366 Riverside E side Salton Sea ca. 1 mile N of Imperial Co. line. Comment
  SEINET898798  Astragalus didymocarpus Carl B. Wolf 1935-1 6301 Riverside Gavilan Hills Region. 2 mi. SW. of Perris. 427 Comment
  UCR174526  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore 'back basin' on NE side of lake 384 Comment
  CAS-BOT-BC182589  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 563 -6711 Riverside Palm Springs Comment
  RSA359860  Astragalus didymocarpus var. obispoensis Steve Boyd 1986-4-2 1624 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA775122  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5025 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
  POM2002  Astragalus douglasii var. parishii I. M. Johnston 1918-4-3 s.n Riverside San Jacinto Mountains, San Jacinto Canyon 685 Comment
  RSA704771  Astragalus insularis var. harwoodii Michael Wall 2005-5-15 373 Riverside Corn Springs Wash immediately north of Corn Springs campground. Plants locally common within the north channel of the wash. Plants rare within the southern channel of the wash. 487 Comment
  RSA779776  Astragalus insularis var. harwoodii Duncan S. Bell 2010-4-2 685 Riverside Arica Mountains: western side of the mountain range in the Palen/McCoy Wilderness; about 2.5 air miles northwest of Priest Well; collecting along a sand wall/sand ramp above the main western drainage of the mountain range. 209 Comment
  RSA651405  Astragalus lentiginosus var. coachellae Marion P. Harthill 1973-2-17 1555 Riverside Snow Creek, Palm Springs 366 Comment
  RSA691964  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Coachella Valley: Palm Springs. Northeast corner of 30th Ave. and Devall St. 101 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
  UCR274969  Astragalus lentiginosus var. coachellae Youssef C. Atallah 2016-4-27 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, Snow Creek Road c. 0.6 mile SW of Hwy 111 362 Comment
  SEINET10936509  Astragalus lentiginosus var. coachellae Noel H. Holmgren, Patricia K. Holmgren 1973-1 Riverside Comment
  CAS-BOT-BC194162  Astragalus palmeri Marcus E. Jones 1927-4-12 s.n. Riverside The Pipes, near Morongo Valley Comment
  POM2003  Astragalus pomonensis I. M. Johnston 1918-4-3 s.n Riverside Valle Vista above Hemet. 534 Comment
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Nov 20 2011
  RSA415845  Astragalus tricarinatus Ralph Hoffmann 1929-9-13 s.n. Riverside Colorado Desert, Riverside. Comment
  UCR187472  Athyrium filix-femina Diane Menuz, Angela Hyde 2006-8-24 236 Riverside Peninsular Range; San Jacinto Mtns, North Fork San Jacinto River c. 100 m below FS Rd. 5S09, below Indian Mountain 1331 Comment
  RSA525687  Athysanus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4558 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR91484  Athysanus pusillus Scott D. White 1995-4-5 2761 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  CAS-BOT-BC98819  Atrichoseris platyphylla H. M. Hall 1905-4-1 5854 Riverside Colorado Desert - Canyon [Canon] Springs Comment
  RSA418191  Atrichoseris platyphylla Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  SEINET2044653 Image available Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside West side of Chuckwalla Mountains, on gas line road ca. 1.5 miles N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 miles (airline) S of Hwy I-10. 488 Comment
  POM278729  Atriplex canescens Grant D. Brown 1950-12-2 588 Riverside About halfway between Arlington and Cajalco Resevoir in foothills. 335 Comment
  POM318799  Atriplex canescens Patricia Wilder 1971-9-29 5282 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  RSA0106716  Atriplex canescens Duncan S. Bell, Amanda Turek 2010-1-30 529 Riverside About 4 air miles northwest of the Arica Mountains; along the California Aqueduct, to the south of Highway 62. 282 Comment
  CAS-BOT-BC170230  Atriplex canescens subsp. linearis Carl B. Wolf 1932-10-13 4324 Riverside NE side of Salton Sea, at Durmid, NE side of S.P.R.R. tracks - Colorado Desert -60 Comment
  UCR214711  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37628 Riverside Sonoran (Colorado) Desert; Salton Trough, Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  SBBG122779  Atriplex coronata var. notatior A. Parikh 1990-6-14 177 Riverside N of Diamond Valley Lake, 0.4 km S of Hwy 74 (W Florida Ave), 0.7 km W of Warren Rdster Rd 457 Comment
  UC1765895  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside Flood plain SE of Bernasconi Hills. 432 Comment
  UCR235046  Atriplex coronata var. notatior A. C. Sanders, John F. Green 2012-5-27 40219 Riverside Peninsular Range; Santa Ana Mtns. Region, Lake Elsinore area, Baker St. south of Nichols Rd. 386 Comment
  UC1922405  Atriplex hymenelytra Naomi Fraga, Lisa Rojas 2005-2-10 1379 a Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  CAS-BOT-BC176539  Atriplex polycarpa Lewis S. Rose 1961-11-24 61068 Riverside La Quinta 15 Comment
  UCR77764  Atriplex rosea Steve Boyd 1991-7-13 6411 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  UCR40489  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  UCR281872  Atriplex triangularis Mitch Provance 2012-11-9 1112- 19 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  RSA716386  Avena barbata Scott D. White, Angelia Carey 2004-4-5 9994 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA0045164  Avena sativa Andrew Haimov, April Sleigh 1992-5-5 80 Riverside East side of Davis Road, 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  POM9853  Ayenia compacta E. C. Jaeger 1921-11-29 s.n. Riverside Tahquitz Canyon. 305 Comment
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Apr 30 2011
  POM12202  Azolla filiculoides Philip A. Munz 1922-4-29 5095 Riverside Dripping Springs, near Temecula Creek 518 Comment
  SEINET10668633  Baccharis David B. Dunn 1947-9-21 Dunn 3515 Riverside Seedlings in the wet sand near stream from springs. Comment
  UC774846  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11436 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  UCR115161  Baccharis pilularis Mitch Provance 2000-10-14 2252 Riverside Jurupa Mountains, Corner of Wilson St. and Agua Mansa Rd., at the entrance to an abandoned site of a proposed industrial complex. 268 Comment
  RSA93201  Baccharis salicifolia F. W. Peirson 1924-12-30 5424 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  UCR103740  Baccharis salicina A. C. Sanders 1997-11-20 21619 Riverside Lake Skinner Reserve area, mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  UCR46717  Baccharis salicina B. G. Pitzer, D. C. Hawks 1986-12-2 0363 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 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
  CDA10400  Baccharis sergiloides T. C. Fuller 1959-4-8 2472 Riverside Edge of Colorado River, 6 miles south of Ripley. 0 Comment
  IRVC510  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-1 SJ 160 Riverside Palms to Pines Hwy., slope draw. Santa Rosa Mountains 701 Comment
  UC893715  Baccharis sergiloides Carl B. Wolf 1932-10-11 4270 Riverside Morongo Wash Colorado Desert, Little San Bernardino Mountains 670 Comment
  VVC1349  Baccharis sergiloides A. C. Sanders, J. Mac 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  UC1929930  Bahiopsis laciniata Scott D. White, Michael Honer 2003-5-27 9419 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  HSC25084  Bahiopsis parishii Richard Spjut 1972-2-1 2168 Riverside Colorado Desert: N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center; Providence Mtns., Morongo Basin and also along the W border of the Colorado Desert 305 Comment
  RSA518273  Bahiopsis parishii A. C. Sanders 1989-9-19 9504 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  SBBG50933  Bahiopsis parishii N. R. Zabriskie, W. Zabriskie 1973-4-3 605 Riverside Poorwill Cyn, Andreas Cyn area, Palm Cyn drainage 426 Comment
  RSA605209  Baileya multiradiata A. C. Sanders, G. Helmkamp, P. Mackay 1995-3-12 16019 Riverside Coachella Valley: Indo, just SW of the Whitewater River Channel at Auto Center Dr (Hwy 111) -8 Comment
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Jan 14 2010
  UCSB10341  Baileya multiradiata Yokoyama, Howard 1953-4-11 Riverside 9 miles east of Indio Comment
  CAS-BOT-BC99949  Baileya pauciradiata Lewis S. Rose 1937-4-10 37147 Riverside 5 mi. S. of Cathedral City 15 Comment
  CAS-BOT-BC99955  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  UCR198168  Baileya pauciradiata Michael Honer, Dave Silverman 2005-3-18 2093 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  SEINET2055760 Image available Baileya pleniradiata George K. Helmkamp, E. A. Helmkamp 2001-9-16 7174 Riverside Willcox Playa, east edge: Blue Sky Road 0.2 mil northeast of AZ-186 (siuthest of Willcox} 1295 Comment
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May 3 2014
  UCR167787  Bassia hyssopifolia T. B. Salvato, Gregg Miller 2005-6-3 1387 Riverside Peninsular Range: Perris-Aguanga Basin, tributary of the San Jacinto River, c. 3 mi SW of Perris, 1.5 mi east of the Good Hope Mine and less than 0.25 mi south of Ethanac Road 433 Comment
  SBBG20059  Bebbia juncea E. R. Blakley 1963-9-18 6181 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  RSA92403  Bebbia juncea F. W. Peirson 1917-4-1 1323 Riverside Palm Springs Comment
  RSA0039603  Bebbia juncea var. aspera Deidre Conocchioli, Duncan S. Bell 2014-3-11 153 Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla. 110 Comment
  SFV11868  Bebbia juncea var. aspera 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-BC207045  Bernardia incana John C. Roos 1950-12-2 5027 Riverside Monson Canyon, Eagle Mts. 1066 Comment
  UCR40449  Beta vulgaris subsp. maritima Steve Boyd 1985-8-7 1119 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  CSUSB941  Bloomeria crocea Mark Eutenier 1973-5-30 730530 4 Riverside Box Springs Road, side canyon running east-west from main canyon 50 yards north of tower and Big "C", 50 yards east of main canyon 5 feet up north facing slope. 548 Comment
  CAS-BOT-BC478938  Bloomeria crocea var. crocea R. Bacigalupi 1925-7-2 1244 Riverside On trail to Tahquitz Peak, San Jacinto Mountains 1828 Comment
  RSA367330  Bloomeria crocea var. crocea N. C. Cooper 1949-6-29 4327 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA482666  Boechera californica N. R. Zabriskie, W. M. Zabriskie 1970-5-3 296 Riverside Service road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. Comment
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Feb 16 2013
  CAS-BOT-BC16260  Boechera glaucovalvula Annie M. Alexander; Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument. 1249 Comment
  CAS-BOT-BC25662  Boechera pulchra Philip Alexander Munz 1940-3-24 15709 Riverside Eagle Mountains. 2 miles north of Cottonwood Spring. 914 Comment
  JEPS44372  Boechera retrofracta Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4250 Riverside just below Toro Peak (i.e. s of the saddle e of the peak); Santa Rosa Mts. 2499 Comment
  SD185256  Boerhavia coccinea T. B. Salvato, Kent Beaman 2005-5-16 853 Riverside San Jacinto Mtn foothills, San Jacinto River E of Valle Vista, just downstream from the forest service boudary and N of CA Hwy 74 Comment
  CAS-BOT-BC541410  Boerhavia triquetra var. intermedia Sarah J. De Groot; Duncan S. Bell 2015-9-21 7588 Riverside Santa Rosa Mountains SSW of Palm Desert. Along Carrizo Rd just N of Hwy 74 1053 Comment
  UCR19111  Boerhavia wrightii John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  POM12938  Boisduvalia glabella P. A. Munz, I. M. Johnston 1922-5-21 5542 Riverside Mystic Lake near Moreno 457 Comment
  SEINET3920214  Bouteloua aristidoides David Charlton 1988-2-18 1127 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn Rd.; 0 610 Comment
  RSA784745  Bouteloua barbata Duncan S. Bell 2012-2-12 3089 B Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  JOTR28882  Brandegea bigelovii La Doux, Tasha 2004-2-24 1118 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA0104637  Brandegea bigelovii Duncan S. Bell, Evan Meyer 2014-10-28 7661 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA20225  Brandegea bigelovii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi. from Cottonwood Springs, N end of Pinto Basin Comment
  SD49374  Brandegea bigelovii Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca and Shaver Well Comment
  RSA0009724  Brandegea bigelovii Marcus E. Jones 1906-4-20 Riverside Indio. Comment
  UCR193961  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Peninsular Range, Box Springs Mtns., Two Trees Canyon along foot trail along north side of riparian thicket, beyond the end of the old road 428 Comment
  RSA776350  Brassica tournefortii Duncan S. Bell 2010-3-20 618 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR148341  Brassica tournefortii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  CAS-BOT-BC106340  Brickellia atractyloides var. arguta J. E. Cole 1942-5-19 959 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  JOTR30932  Brickellia californica La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1413 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UC1979595  Brickellia californica D. L. Banks, Steve Boyd 1995-10-26 0832 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Alongt he Woodchuck Trail, S of the first grassland. Approximately 0.7 miles from the Wilderness boundary. Comment
  CAS-BOT-BC106177  Brickellia desertorum John Roos; Lucille Roos 1950-10-28 5020 Riverside North base Mt. Russell, 1 mile S.E. of Moreno 548 Comment
  CAS-BOT-BC106193  Brickellia desertorum Edmund C. Jaeger 1921-10-9 118 Riverside Palm Springs, Colorado Desert Comment
  RSA89966  Brickellia desertorum J. C. Roos 1950-10-15 5009 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  UC1010240  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside dry hills at n end of Perris Blvd., Sunnymead Sunnymead 612 Comment
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Jul 21 2010
  UC219285  Brodiaea filifolia P. A. Munz and I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris 441 Comment
  PASA508  Brodiaea synandra Frank W. Peirson 1922-5-19 Riverside 2 miles southeast of Perris Comment
  RSA191989  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1959-5-17 4538 b Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  RSA180433  Bromus arenarius E. W. Lathrop 1965-5-9 5742 Riverside 6 miles W of Murrieta. Comment
  SEINET901458  Bromus arizonicus A. C. Sanders 1989-1 9068 Riverside City of Riverside, Spontaneous in yard at 422 Campus View Drive Comment
  SEINET191888 Image available Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument ; Cottonwood Springs wash Comment
  UC53323  Bromus berteroanus Dr. A. Davidson Riverside Banning Comment
  SEINET901511  Bromus carinatus Steve Boyd, Tim Ross, Dave Bramlet 1993-1 7318 -B 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, Rancho Santa Ana Botanic Garden 365 Comment
  UCR54250  Bromus carinatus David Charlton 1988-5-21 1921 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR229275  Bromus diandrus Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  RSA495790  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2897 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR20537  Bromus hallii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR23874  Bromus hallii John C. Roos 1942-6-20 994 Riverside Peninsular Range; San Jacinto Mtns, Dark Canyon Camp, North Fork San Jacinto River 1829 Comment
  UCR232080  Bromus hordeaceus John F. Green 2008-4-22 06- 06 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  UCR94068  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3951 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  UC1931231  Bromus japonicus Scott D. White, Justin Wood 2008-6-17 12168 Riverside San Jacinto Mountains: Garner Valley - Kenworthy Station (USFS) (Butterfly Peak) Comment
  JOTR37759  Bromus madritensis subsp. rubens Hodges, Stephen R. 2016-2-29 715 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  SEINET7048194  Bromus madritensis subsp. rubens Steven R. Hill, Andrew C. Sanders 2001-5-4 33703 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  SDSU955  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  UCR233070  Bromus rubens Edith B. Allen 2012-2-5 212- 02 Riverside Riverside, SW foot of the Box Springs Mtns. on east edge of town, Sycamore Canyon Park, just off Central Ave. near entrance 384 Comment
  UCR85641  Bromus tectorum A. C. Sanders 1993-4-5 13689 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA0019725  Bromus tectorum A. Sleigh 1992-5-19 121 Riverside Northeast corner of Ramona Expressway and Davis Road. Comment
  SEINET13203179 Image available Cactaceae Marc A. Baker, Michelle Cloud, Hughes 2015-1 18297 .1 Riverside Chuckwalla Mountains, 4.1km WNW of Corn Spring, 630m NE of Aztec Well, 71km west of central Blythe, narrow valley floor 834 Comment
  UC667278  Caesalpinia virgata Annie M. Alexander and Louise Kellogg 1941-5-17 2192 Riverside near Dos Palmas; Colorado Desert Comment
  UC310280  Calandrinia ambigua Philip A. Munz 1926-1-31 9982 Riverside clay hills w Dos Palmos; Colorado Desert Comment
  CAS-BOT-BC438491  Calandrinia ciliata A. C. Sanders; Kelly Volansky 2005-3-17 29238 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct. 412 Comment
  CAS-BOT-BC438495  Calandrinia ciliata E. W. Lathrop 1959-4-1 4393 Riverside 18 miles S.W. of Elsinore. Tenaja Canyon. Comment
  RSA550018  Calandrinia ciliata Walter Wisura, A. King, L. Newcomb 1992-4-10 4679 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA612843  Calandrinia ciliata D. L. Banks 1997-3-1 1373 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SD262253  Callitriche marginata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 27 Riverside Menifee Valley: Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. Large vernal pool. 430 Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  LA31714  Calocedrus decurrens Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley 1523 Comment
  UCR107787  Calocedrus decurrens D. L. Banks 1997-5-5 1960 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  RSA262119  Calochortus albus E. W. Lathrop 1973-5-28 7501 Riverside Main Divide Truck Trail beween El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA501010  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3129 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA68632  Calochortus splendens Frank W. Peirson 1924-7-27 4997 Riverside Deer Springs, San Jacinto Mountains. Comment
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May 26 2014
  UCR81099  Calochortus splendens Scott D. White 1993-5-29 1442 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA500171  Calochortus weedii var. intermedius Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3656 Riverside Vail Lake area, burned area just SW of the dam, S of Temecula Creek. 488 Comment
  RSA68622  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2180 Riverside Grade south of Temecula River, going toward Dripping Spring 427 Comment
  UCR63511  Calochortus weedii var. weedii Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  RSA180367  Calycadenia tenella E. W. Lathrop 1960-6-6 4837 Riverside 14 miles W. of Murrieta. Comment
  RSA0124036  Calycoseris wrightii Duncan S. Bell, LeRoy Gross 2016-3-10 8881 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  SEINET5764663 Image available Calyptridium monandrum Ivan Johnston 1917-4-4 13784 Riverside Palm Springs, Near Palm Springs. Comment
  UCR21946  Calyptridium monandrum Steve Boyd 1980-4-13 123 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  SEINET5336237  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavilan Mesa Comment
  RSA0036469  Camissonia bistorta J. M. Andre 2012-6-15 30501 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA465914  Camissonia bistorta N. C. Cooper 1944-5-6 1173 Riverside Banning. 701 Comment
  RSA516878  Camissonia bistorta Steve Boyd 1986-3-1 1360 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UCR138138  Camissonia bistorta D. L. Banks, V. W. Steinmann 1997-3-13 1454 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
  UCR166170  Camissonia bistorta John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR171909  Camissonia bistorta John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR98681  Camissonia bistorta S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA264582  Camissonia boothii subsp. condensata C. W. Tilforth, J. Dourley, Walter Wisura 1977-5-19 1327 Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 267 Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  SEINET7048153  Camissonia californica Steven R. Hill 2001-5-3 33654 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
  POM153428  Camissonia cardiophylla M. French Gilman 1927-12-31 s.n. Riverside Pinto Basin, Colo. Desert. Comment
  RSA139363  Camissonia cardiophylla Thomas W. Whitaker 1958-4-30 s.n. Riverside Box Canyon, midway between Mecca and Shaver Well. Comment
  RSA454741  Camissonia cardiophylla M. B. Dunkle 1935-3-30 4423 Riverside Pinto Basin. Colo. Desert. Comment
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Dec 12 2011
  UCR86860  Camissonia cardiophylla A. C. Sanders, K. Rose 1995-4-27 16728 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCR166017  Camissonia claviformis Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR60244  Camissonia claviformis R. F. Thorne, M. Z. Thorne 1973-3-30 42675 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  POM14023  Camissonia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-9 4913 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  SEINET3141312  Camissonia claviformis subsp. claviformis R. W. Spellenberg 2001-3-25 13215 Riverside 5 km W of Blythe at junction of California. Hwy. 78 and IH-10 90 Comment
  UCR42389  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  UCR275932  Camissonia hirtella T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3785 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
  UCR266476  Camissonia micrantha Mitch Provance, Matt Amalong 2015-3-25 315- 39 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR51022  Camissonia micrantha S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  RSA680559  Camissonia pallida Scott D. White, Michael Honer 2003-4-30 9143 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR177396  Camissonia pallida 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
  RSA465911  Camissonia pallida subsp. hallii N. C. Cooper 1944-3-25 1023 Riverside Cabazon. 457 Comment
  JOTR30240  Camissonia pallida subsp. pallida Leary, C. and Leary, Pat 1979-5-5 2999 Riverside Joshua Tree National Park. Near the end of the road in Lower Covington Flat, Joshua Tree National Monument Comment
  POM305591  Camissonia pallida subsp. pallida Henry J. Ramsey, Henry J. Ramsey 1937-2-26 891 Riverside Whitewater. Comment
  POM20022  Camissonia strigulosa Mary F. Spencer 1923-06 2201 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA593998  Camissonia strigulosa D. L. Banks, Elizabeth Hedge Banks 1996-5-2 941 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
  UC219287  Camissonia strigulosa P. A. Munz and I. M. Johnston 1922-5-20 5466 Riverside Kenworthy San Jacinto Mts. 1432 Comment
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Mar 25 2011
  JEPS31569  Camissoniopsis bistorta W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1422 Riverside Van Deventer's Flat Santa Rosa Mts. Comment
  UC1979553  Camissoniopsis hirtella Darin L. Banks, Steve Boyd 1995-5-9 371 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. Comment
  JEPS31743  Camissoniopsis pallida subsp. pallida S. B. Parish 1920-3-25 20022 Riverside flats at Palm Springs village Colorado Desert Comment
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Jul 13 2010
  UC668352  Camissoniopsis pallida subsp. pallida Annie M. Alexander and Louise Kellogg 1941-4-22 2059 Riverside top of Morongo Pass Mohave Desert, Morongo Valley Gorge 701 Comment
  UCR268948  Camissoniopsis pallida subsp. pallida Jim Andre 2015-3-2 31356 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  UCR277745  Cardamine Mitch Provance 2011-7-29 17039 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  POM14386  Carex alma Phillip A. Munz 1922-6-30 5904 Riverside Santa Rosa Mountains. 1982 Comment
  CHSC106640  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains (SnJt); Bridge over N Fork San Jacinto River, Dark Canyon, at campground. 1785 Comment
  UC537214  Carex heteroneura M. E. Jones Sep 1933 Riverside San Jacinto Mts. Comment
  SEINET13371260  Carex hoodii P. F. Zika, Nick Otting 2010-8-30 25236 Riverside Vicinity of Willow Creek, W, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  UC1130  Carex nebrascensis H. M. Hall 1901-7 2484 Riverside Tamarack Valley San Jacinto Mountains 2743 Comment
  RSA0042250  Carex praegracilis Jeri Hirshberg 1989-7-26 s.n. Riverside Vicinity of Vail Lake: spring in Butterfield country. Comment
  CHSC106621  Carex sartwelliana P. F. Zika; Nick Otting 2010-8-6 25299 Riverside N Fork San Jacinto River, Dark Canyon, at Azalea Trails Girl Scout Camp, San Jacinto Ranger District, San Bernardino National Forest. 1910 Comment
  RSA517253  Castela emoryi Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1338 Riverside Shavers Valley: NW end of Hayfields Dry Lake, Comment
  RSA800117  Castela emoryi Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4766 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  RSA744928  Castela emoryi Michael Honer, Theresa Miller 2005-3-11 2066 - B Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UC1490301  Castilleja angustifolia Rolf Y. Berg 1980-4-2 Riverside ca 2.5 mi from mouth of Whitewater Canyon; Whitewater Canyon Comment
  UCR201407  Castilleja applegatei subsp. martini Justin M. Wood, Brandy N. Ulrich 2008-7-14 20 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  RSA448693  Castilleja applegatei subsp. martinii Anstruther Davidson 1883 Riverside Idyllwild. San Jacinto. Comment
  SBBG94912  Castilleja densiflora R. Gaut 1989-5-7 Riverside Santa Rosa Plateau, 5 mi W of Interstate 215 on Clinton Keith Rd, Temescal Valley 609 Comment
  UCR116860  Castilleja exserta A. C. Sanders, Steven R. Hill 2001-5-4 24133 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA0010925  Castilleja exserta subsp. exserta Duncan S. Bell, Joy D. England 2010-5-27 1127 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  UCR16020  Castilleja foliolosa M. J. Arbaugh 1978-6-8 s.n. Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Coachella Valley, Verbenia [=Cottonwood] Canyon, 2 mi north of State 60 on Verbenia Avenue, along side of stream bed 610 Comment
  UCSB6030  Castilleja foliolosa Gill, Robert 1960-3-23 Riverside Snow Cyn; near end of road; San Jacinto Mt. Range Comment
  RSA741272  Castilleja minor subsp. spiralis Scott D. White, Justin M. Wood 2008-7-10 12447 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SBBG66948  Castilleja minor subsp. spiralis R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  SD4814  Castilleja minor subsp. spiralis Evelyn Gray, Mrs. John Frederick Gray 1925-5-8 Riverside Campo to Comment
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Feb 8 2013
  POM42518  Castilleja pruinosa Marcus E. Jones 1882-6-29 s.n. Riverside [Unspecified] Comment
  UCD170854  Casuarina cunninghamiana A. C. Sanders; T. B. Salvato 2000-4-21 23349 Riverside Coachella Valley: 3-4 miles north of I-10 on Dillon Road. 61 Comment
  CAS-BOT-BC41088  Caulanthus hallii Lewis S. Rose 1937-4-9 37122 Riverside Palms to Pines Highway, 18 miles west of Indio. 1036 Comment
  UC597600  Caulanthus hallii Philip A. Munz 1937-5-30 15093 Riverside nw slope Santa Rosa Mts.; nw slope Santa Rosa Mts. 1828 Comment
  JEPS42363  Ceanothus cordulatus W. L. Jepson 1903-8-8 2317 Riverside trail below Round Valley; San Jacinto Mt. 2895 Comment
  UCR225190  Ceanothus crassifolius Steve Boyd, Susan Jett 2008-3-20 11830 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UC18386  Ceanothus greggii var. perplexans H. M. Hall May 26-29 1899 Riverside from Kenworthy to Oak Grove; Smith Mountain and San Jacinto Mountains Comment
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Nov 13 2006
  RSA25757  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside 1 6/10 mi.So.of Idylwild on road to Tahquitz Lodge 1524 Comment
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Sep 18 2011
  RSA4386  Ceanothus leucodermis Carl B. Wolf 1932-3-20 32 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA528112  Ceanothus leucodermis Steve Myers 1991-4-16 91 -28 Riverside City of Bann ing, W of Fields Rd, N of Interstate 10 and S of the Morongo Indian Reservation. 671 Comment
  RSA713784  Ceanothus leucodermis A. C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SD10668  Ceanothus leucodermis Mrs. D. R. Wolf 1932-3-20 32 Riverside Richman Ranch, 2.5 mi. N of De Luz 456 Comment
  UCSB54149  Ceanothus leucodermis Brownell, Kathleen 1980-5-16 Riverside 2 mi. west of Lakeland Village on Hwy. 74; Santa Ana Mtns. Comment
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Nov 27 2014
  UC1071523  Ceanothus oliganthus var. sorediatus R. St. John 1931-2-13 183 Riverside Plot 70 Elsinore Quadrangle, Elsinore 457 Comment
  RSA569997  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7912 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
  SBBG96783  Ceanothus ophiochilus S. Boyd with T. Ross, L. Arnseth 1989-3-12 2960 Riverside Vail Lake area, 1 mi W of lake; T8S, R1W, SE1/4, SE1/4 S8, SW1/4, SW1/4 S9 609 Comment
  SD138815  Ceanothus ophiochilus Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 Comment
  UC1071421  Ceanothus tomentosus R. St. John 1930-3-27 110 Riverside Badlands Elsinore Quad., Badlands (Plot 28). Comment
  RSA445786  Celtis reticulata Bonnie C. Templeton 1954-11-3 s.n. Riverside North of Banning. Comment
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Mar 13 2011
  CAS-BOT-BC281957  Centaurea benedicta Peter H. Raven; Sidney R. Snow 1956-7-6 9657 Riverside Gilman Hot Springs, along road Comment
  SEINET2046214 Image available Centaurea melitensis Howard Scott Gentry 1948-6 8180 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  UCR182505  Centaurea melitensis Mitch Provance 2005-5-17 6564 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA69871  Centaurea solstitialis J. C. Roos 1951-9-25 5253 Riverside Fairmount 259 Comment
  POM256954  Centaurium venustum W. Pequegnat 1940-6-12 s.n. Riverside 1/2 mile N of Ortega Hwy, Santa Ana Mts. Comment
  POM49813  Centaurium venustum H. M. Hall 1901-06 2106 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  RSA554092  Centaurium venustum R. Montijo 1991-7-10 91 -19 Riverside Santa Rosa Plateau, Avenida Escalera, N of Tenaja Road and ca. 1 mile NE of Squaw Mountain. 610 Comment
  RSA737355  Centromadia pungens subsp. laevis Justin M. Wood 2008-9-19 138 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM13108  Centrostegia thurberi P. A. Munz, I. M. Johnston 1922-5-21 5508 Riverside Kenworthy 1402 Comment
  CSUSB928  Cercidium floridum Steve G. Nelson 1974-4-13 Riverside Deep Canyon, found near gate to Deep Canyon Reserve in a gravelly wash 152 Comment
  POM46965  Cercidium floridum Mary F. Spencer 1918-3-27 755 Riverside Palm Springs. 137 Comment
  RSA30514  Cercidium floridum B. D. Stark 1928-11-4 467 Riverside Hidden Springs Canyon 30 Comment
  CAS-BOT-BC135453  Cercocarpus betuloides var. betuloides J. Ewan 1929-6-16 3584 Riverside Lilly Creek Canyon 1676 Comment
  SD229255  Cercocarpus betuloides var. betuloides Dick Schwenkmeyer 2012-3-26 660 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  CAS-BOT-BC135577  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1931-10-3 236 Riverside 1 mi. N. Tahquitz Peak, San Jacinto Mts. 2468 Comment
  RSA208927  Cercocarpus minutiflorus Theadore H. Mortenson 1967-5-5 1516 Riverside North facing hillside in back of the Tenaja Guard Station, Santa Rosa Plateau region near Murietta. Comment
  SD260297  Cercocarpus minutiflorus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42414 Riverside Peninsular Range: UC Emerson Oaks Resrve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  CAS-BOT-BC279446  Chaenactis Palmer Stockwell 1940-4-24 1506 Riverside 1 mile east of Banning Comment
  RSA343094  Chaenactis artemisiifolia R. F. Thorne 1985-5-18 60620 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  UCD130234  Chaenactis carphoclinia Geoffrey Levin 1975-4-5 466 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  UC1080286  Chaenactis carphoclinia var. carphoclinia E. K. Balls and P. C. Everett 1958-3-20 22938 Riverside s base of Eagle Mts., U.S. Hwy 60/70 Eagle Mts. 365 Comment
  HSC80313  Chaenactis fremontii R. F. Thorne, W. Wisura, A. Shmida, Robert Whittaker 1978-4-23 52039 Riverside Palm Desert Area; just E of Palm Desert Comment
  JEPS30582  Chaenactis fremontii Donald M. Kyhos 1957-5-2 57 -153 Riverside west edge of Cabazon Cabazon Comment
  UC894461  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UCR133958  Chaenactis glabriuscula Mitch Provance, J. S. Ross 1998-3-27 MOR- 968 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  JEPS34142  Chaenactis glabriuscula var. glabriuscula W. L. Jepson and H. M. Hall 1901-5-17 1246 Riverside San Jacinto town to Strawberry Valley 487 Comment
  UCD130378  Chaenactis glabriuscula var. glabriuscula Geoffrey Levin 1975-4-26 476 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Pacific Slope Drainage Area. 335 Comment
  CAS-BOT-BC277556  Chaenactis glabriuscula var. lanosa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  RSA49385  Chaenactis macrantha Philip A. Munz 1949-4-12 13027 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  UCR274809  Chaenactis stevioides David Fraker, Aaron C. Sedgwick 2012-3-22 012 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; south of Joshua Tree National Park on both sides of Hwy 177 [Desert Center-Rice Rd.], c. 5 miles north of Hwy I-10, c. 3 miles south of Desert Lily Sanctuary 183 Comment
  RSA339341  Chamaesyce R. F. Thorne, W. A. Tilforth 1980-5-28 54175 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
  VVC2109  Chamaesyce abramsiana Tim Thomas 2012-8-23 5874 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  RSA38414  Chamaesyce albomarginata P. A. Munz 1946-10-21 11597 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  RSA500074  Chamaesyce albomarginata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3238 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA0020040  Chamaesyce micromera Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6012 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA776946  Chamaesyce micromera Amber Swanson 2011-3-19 239 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA689556  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-4-25 9126 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
  SFV7071  Chamaesyce polycarpa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 771 Riverside Big Wash, just north of Quien Sabe Point at east end of county. 116 Comment
  RSA432482A  Chamaesyce polycarpa var. hirtella Lester H. Cushman 1931-11-1 s.n. Riverside Arlington. Southern California Junior College. Comment
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Apr 16 2009
  RSA608167  Chamaesyce polycarpa var. polycarpa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10053 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA191398  Chamaesyce serpillifolia E. W. Lathrop, Robert F. Thorne 1967-9-26 6648 Riverside 6 miles NW of Murrieta. Comment
  RSA741109  Chamomilla suaveolens Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR275019  Cheilanthes June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  CAS-BOT-BC70030  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacinto Mts. 15 Comment
  CAS-BOT-BC70041  Cheilanthes covillei Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UC399602  Cheilanthes covillei I. M. Johnston 1918-4-3 1830 Riverside San <Jaciento> Canyon; San <Jaciento> Mts 685 Comment
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Nov 20 2011
  UC667375  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-4 2119 Riverside Barker Dam; Joshua Tree Nat'l Monument 1322 Comment
  UCR133030  Cheilanthes newberryi Scott D. White 1993-4-22 1263 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA685826  Cheilanthes parryi P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
  RSA775665  Cheilanthes parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 814 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UC812277  Cheilanthes parryi Lewis S. Rose 1938-12-17 38317 Riverside Palm Springs 152 Comment
  UCR91559  Cheilanthes viscida A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15910 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  RSA781298  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  UCR126430  Chenopodium album T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  RSA654881  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR110919  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1999-6-18 22817 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR271709  Chenopodium berlandieri var. zschackei Mitch Provance 2011-7-4 17177 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR135725  Chenopodium fremontii Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9029 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  SD254595  Chenopodium missouriense Mitch Provance 2012-11-9 61251 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mile SE of the intersection of Gernert Road and Watkins Drive (Riverside East 7.5'Q) 422 Comment
  UCR113116  Chenopodium murale A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 B Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  RSA478547  Chenopodium murale E. Schorr 1973-4-14 26 Riverside State Hwy 86, S of Indio, near State Hwy 195 -7 Comment
  SEINET10764861  Chenopodium murale Dave Silverman, Onkar Singh 2010-3-25 Silverman 7847 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
  UCR119261  Chenopodium pumilio Mitch Provance 1998-6-9 632 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the Jurupa Mountains Culture Center. 366 Comment
  UCR178319  Chilopsis linearis T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 621 .2 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  SEINET10457924  Chilopsis linearis David B. Dunn, A. Folsom 1948-6-17 Dunn 3820 Riverside At camp in Pushawalla canyon under palms. Below quad 6; near the mouth of the canyon. Comment
  JEPS9180  Chilopsis linearis subsp. arcuata W. L. Jepson 1914-5-18 5999 Riverside Pinyon Well grade Pinyon Well grade Comment
  UCD121650  Chilopsis linearis subsp. arcuata K. Esau 1935-6-20 s.n. Riverside Road to Beaumont. Comment
  POM15199  Chimaphila menziesii Mary F. Spencer 1927-6-27 1972 Riverside Tahquitz trail, Idyllwild. 1829 Comment
  UCR35107  Chimaphila menziesii L. B. Ziegler 1966-6-28 070 Riverside San Jacinto Mountains, North Fork of the San Jacinto River (Dark Canyon), above Idyllwild-Banning Road 1677 Comment
  SBBG57113  Chloris virgata R. Hoffmann 1929-9-4 Riverside between Wineville [Mira Loma] and Riverside Comment
  UCR87944  Chloris virgata A. C. Sanders 1994-1-30 14222 Riverside Corona, Orange Heights section. D.R. Horton Custom Homes tentative tract, north side of Chase Drive between Rimpau (Lester) Avenue and California (Compton) Avenue 300 Comment
  UCR10807  Chlorogalum pomeridianum Ruth Cooper 1968-5-18 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  RSA0106756  Chorizanthe brevicornu Duncan S. Bell, Amanda Turek 2009-3-29 145 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  CAS-BOT-BC191706  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert. 5 mi E of Mecca, on Blythe Road 30 Comment
  UCD99663  Chorizanthe corrugata C. L. Hitchcock 1966-3-20 24304 Riverside 20 miles N of Ogilby, along road to Blythe. Comment
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Mar 2 2013
  UCR163922  Chorizanthe corrugata A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29132 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UC161901  Chorizanthe corrugata T. S. Brandegee Riverside Colorado Desert Comment
  RSA392639  Chorizanthe fimbriata M. B. Dunkle 1934-6-18 3969 Riverside Upper San Juan Canyon. Comment
  CAS-BOT-BC191254  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Skunk Hollow vernal pool Comment
  UCR26535  Chorizanthe fimbriata var. fimbriata A. C. Sanders, S. Hagopian 1981-5-20 2134 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  CAS-BOT-BC252783  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  RSA708431  Chorizanthe parryi var. parryi Scott D. White 2005-3-29 10852 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UCR165875  Chorizanthe parryi var. parryi A. C. Sanders 2005-4-21 29568 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR214301  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38397 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR249833  Chorizanthe polygonoides var. longispina T. B. Salvato, John Lovio 2013-3-19 7354 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA555333  Chorizanthe rigida A. C. Sanders, E. J. Lawlor 1992-4-4 12088 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA586797  Chorizanthe staticoides D. L. Banks, S. D. Boyd 1995-5-3 235 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA500223  Chorizanthe staticoides Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3519 Riverside Vail Lake area, 1 mi W of lake. 609 Comment
  UCR99566  Chrysothamnus paniculatus B. G. Pitzer 1996-11-11 2930 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  UCR245232  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21321 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
  UCR245256  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21294 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UC667280  Chylismia cardiophylla subsp. cardiophylla Annie M. Alexander and Louise Kellogg 1941-5-26 2238 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 975 Comment
  JEPS23474  Chylismia claviformis subsp. aurantiaca I. W. Clokey and B. C. Templeton 1930-4-9 4725 Riverside n Palm Springs; Colorado Desert 170 Comment
  SBBG28551  Chylismia claviformis subsp. aurantiaca D. Myrick 1964-4-30 817 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  UCD103912  Chylismia claviformis subsp. aurantiaca Elizabeth Milauskas 1994-5-7 12 Riverside Agua Caliente Indian Reserve. 161 Comment
  UCSB12723  Chylismia claviformis subsp. peirsonii Dearing, Hugh; Dearing, Margaret 1930-4-13 Riverside Colorado desert between El Centro and Palm Springs Comment
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Jan 7 2015
  RSA0066543  Cirsium occidentale var. occidentale H. M. Hall 1904-5-24 4956 Riverside Near Riverside (bottoms along Santa Ana River). Comment
  RSA737351  Cirsium vulgare Justin M. Wood 2008-9-19 134 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM250482  Cistanthe monandra I. W. Clokey 1935-4-18 s.n. Riverside Gavilan Mesa. 600 Comment
  RSA718827  Cistanthe monandra Michael Honer, L. Hulse 2004-4-3 1924 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
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Jun 8 2016
  SEINET270810  Cistanthe monandra Richard J. Shaw 1958-4-6 1101 Riverside Joshua Tree National Monument ; Roade between White Tank Campground and South entrance of the Monument. Comment
  RSA505480  Clarkia dudleyana E. W. Lathrop 1989-5-10 s.n. Riverside 4 miles SW of Corona, West slope of Tin Mine Canyon. Comment
  CAS-BOT-BC171995  Clarkia epilobioides E. W. Lathrop 1966-6-1 6361 Riverside Tenaja Range, Fisherman's Creek Camp Comment
  RSA527877  Clarkia epilobioides Scott D. White 1991-5-10 91 -120 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR25763  Clarkia epilobioides John C. Roos 1952-5-7 5618 Riverside Box Springs Mountains above Canyon Crest Heights 503 Comment
  UCR116863  Clarkia purpurea A. C. Sanders, Steven R. Hill 2001-5-4 24128 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  CAS-BOT-BC172565  Clarkia purpurea subsp. purpurea A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area, north foot and lower slopes of Black Tmn., edge of Crown Valley on E side of Rawson Canyon 670 Comment
  CAS-BOT-BC163863  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1930-5-10 4803 Riverside At top of St. John's Grade Comment
  CSUSB229  Clarkia purpurea subsp. quadrivulnera R. P. Sunderman 1968-5-2 Riverside University of California, Riverside (UCR). 335 Comment
  RSA525401  Clarkia purpurea subsp. quadrivulnera Steve Boyd, D. E. Bramlet 1990-4-29 4511 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA801957  Clarkia rhomboidea LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6153 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  RSA802252  Clarkia rhomboidea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4998 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  SD73598  Claytonia parviflora subsp. parviflora Helen V. Witham 1970-5-1 848 Riverside steep north bank, Bautista Canyon, southeast of Hemet 800 Comment
  UCR200687  Claytonia parviflora subsp. parviflora Steve Boyd, Aydee Virgen 2004-4-13 10882 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA65720  Claytonia parviflora subsp. utahensis F. W. Peirson 1921-3-22 2389 Riverside Murray Canyon near Palm Springs. 457 Comment
  UCR60610  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3174 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA783234  Claytonia perfoliata J. D. Olmsted 1962-5-2 3470 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  UCR168685  Claytonia perfoliata T. B. Salvato, John F. Green 2004-5-27 585 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  JEPS48925  Clematis pauciflora W. L. Jepson 1939-4-19 19209 Riverside 3 mi. s. Aguanga 731 Comment
  NY43294  Cleome isomeris C. R. Annable 1995-3-11 2268 Riverside Rest stop on I-10 Comment
  JOTR30956  Coleogyne ramosissima La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1931 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SBBG54139  Colubrina californica C. S. Jones 1979-3-27 41 Riverside wash ca. 5 mi N of Interstate 10, 4 mi W of Desert Center 426 Comment
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Mar 15 2013
  SD241165  Colubrina californica Dave Silverman, Mark Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km W of Black Creek Road, 5.8 km NE of McCoy Peak, and 7 km north of I-10 195 Comment
  UCSB37346  Colubrina californica Jones, C. 1979-3-27 Riverside southeast facing canyon about 300 yards from unnamed dirt road approximately 5 miles north of I-10, 4 miles west of Desert Center 426 Comment
  SBBG87664  Condea emoryi S. Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  SEINET3080984 Image available Conium maculatum Unknown 1966-5-16 Riverside Specific location: Camp Evans. At the foot of the western side of Mt. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  UCR251980  Conium maculatum A. C. Sanders, T. B. Salvato 2014-7-2 41181 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SEINET904989  Coreopsis californica Lewis S. Rose 1949-1 Riverside 4 miles north-west of Alberhill, desert wash 304 Comment
  CAS-BOT-BC101302  Corethrogyne filaginifolia I. W. Clokey; E. G. Anderson 1935-8-21 6963 Riverside East of Keen Camp P.O. 1350 Comment
  LA205802  Corethrogyne filaginifolia Elizabeth McClintock; 1936-7-20 Riverside San Jacinto Mountains, Idyllwild Comment
  LA99062  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  LA99063  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  RSA621444  Cornus glabrata D. L. Banks 1997-11-15 2192 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR24939  Cornus nuttallii A. C. Sanders 1980-7-22 1709 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
  UCR116001  Coronopus didymus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23306 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  UCR234433  Cotula coronopifolia Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR281094  Crassula aquatica Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 51 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR116463  Crassula connata A. C. Sanders, T. B. Salvato 2001-3-30 23860 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR174942  Crassula connata Jennifer H. Jones, Toby Bartels 2006-4-23 282 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR117385  Cressa truxillensis A. C. Sanders, T. B. Salvato 2001-5-25 24381 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  SD80026  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-12-29 333 Riverside Beside Andreas Cnyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope of San Jacinto Mountains. 170 Comment
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Apr 17 2011
  UCD141983  Croton californicus Marian L. Vincent; Richard H. Swade 1963-10-19 465 Riverside Snow Creek Road; 2 miles from its intersection with California State Hwy.111. 365 Comment
  UCR216257  Croton californicus Mike Bell 2008-3-19 045 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. 396 Comment
  RSA480578  Croton californicus var. californicus B. C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 500 Comment
  SD181766  Crypsis schoenoides Scott D. White 2001-6-29 8632 A Riverside Menifee Valley, about 1.4 airmiles SW of the I-215/Newport Rd Interchange, NW of the intersection of Holland Rd & Bradley Rd; Romoland [quad]. Mostly waste area (soil stockpiles, flood control basin). At bottom of retention basin. 438 Comment
  UCR69743  Crypsis schoenoides A. C. Sanders, Chet McGaugh 1991-7-19 11153 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA27465  Cryptantha angustifolia I. L. Wiggins 1941-3-24 9574 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA314619  Cryptantha angustifolia R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55486 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA611016  Cryptantha angustifolia N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Coachella Comment
  UCR103546  Cryptantha angustifolia George K. Helmkamp 1998-1-17 2529 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR104845  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2668 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCSB5531  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside U.S. 99, opposite Twentynine Palms turnoff Comment
  RSA0127780  Cryptantha angustifolia G. Rink 2013-3-17 11866 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  RSA782079  Cryptantha barbigera Duncan S. Bell 2009-3-9 118 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SD124126  Cryptantha barbigera var. fergusoniae Robert F. Thorne, Fosberg,Sachet and Herbst 1983-4-23 55418 Riverside San Bernardino Mountains, mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge in sandy wash east of bridge 409 Comment
  UCR132648  Cryptantha barbigera var. fergusoniae N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 180 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA49359  Cryptantha circumscissa P. A. Munz 1949-4-11 13007 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  CAS-BOT-BC189588  Cryptantha circumscissa var. circumscissa Samuel B. Parish No date on label 188 Riverside Palm Canon [Canyon], Agua Caliente, Colorado desert Comment
  GMDRC3552  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake: Palen Dry Lake: SE margin of the playa, approx 40 mi. W. of Blythe, 6 mi. N. of I-10, E. of Desert Center. USGS 7.5 min. Quad: Sidewinder Well 33 deg. 42.637' N 115 deg. 12.163' W. Elev. 423 ft. 129 Comment
  UC729691  Cryptantha costata Carl B. Wolf 1932-4-29 Riverside 3 mi s Rice (on Blythe road, e Colorado Desert); Colorado Desert 213 Comment
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Feb 12 2013
  UCR280015  Cryptantha costata Onkar Singh 2012-2-25 2544 B Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Palen Sand Dunes west of Palen Dry Lake 140 Comment
  UCSB12608  Cryptantha decipiens Dearing, Hugh; Dearing, Margaret 1942-3-5 Riverside Bajada wahes near Cathedral City Comment
  CAS-BOT-BC218761  Cryptantha holoptera Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9574 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  RSA18948  Cryptantha intermedia Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9665 Riverside Foot of grade, State Highway #74, along San Jacinto River.[cismontane foothills -SDW 2006] Comment
  RSA740827  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-7-8 12385 Riverside Johnson Meadow. 1439 Comment
  SBBG32018  Cryptantha intermedia V. Manns 1963-4-6 630406 #8 Riverside Hwy 74, ca. 15 mi above Hemet at 4000 ft elevation marker 1219 Comment
  SDSU5389  Cryptantha intermedia H. Wedberg 1962-4-20 902 Riverside About 8 1/2 miles from Hemet, and 1/2 mile from Cranston Ranger Station on road to Mountain ceter and Idyllwild. 610 Comment
  UCR20917  Cryptantha intermedia A. C. Sanders 1978-7-5 00199 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  UCR225733  Cryptantha intermedia A. C. Sanders 2011-3-30 38918 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA0026297  Cryptantha intermedia John F. Emmel 1991-4-28 1167 Riverside Lakeview Mts. WNW of Hemet; slope 0.1 air mile south and 016 [1.6?] air mile west of intersection of Warren Road and Esplanade Ave. 518 Comment
  JOTR28747  Cryptantha maritima La Doux, Tasha, Bill Truesdell 2004-2-24 1029 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  POM12212  Cryptantha micrantha var. lepida Mary F. Spencer 1921-6-2 1864 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  RSA171377  Cryptantha micrantha var. lepida J. D. Olmsted 1962-5-3 3503 Riverside On Thomas Mt. 1616 Comment
  SEINET4073493  Cryptantha micrantha var. lepida C. Davidson 1975-1 2819 Riverside Two miles north of Alandale Station on road R1 from Idylwild to Banning. 1645 Comment
  RSA543584  Cryptantha microstachys Steve Boyd 1991-5-7 6166 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA679821  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-8 828 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR127354  Cryptantha microstachys A. C. Sanders, D. Malueg 2003-5-8 26572 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR241245  Cryptantha microstachys Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 503 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA0035745  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UC1595614  Cryptantha muricata Steve Boyd 1991-5-20 6276 Riverside nw of Lake Elsinore (Lower Rice Canyon, just inside Cleveland National Forest boundary); Santa Ana Mountains, Lower Rice Canyon 573 Comment
  UCR120624  Cryptantha muricata Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2304 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR135721  Cryptantha muricata Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9025 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR264742  Cryptantha muricata Steve Boyd, Valerie Soza 2004-6-22 11544 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  CLARK-A1045-102  Cryptantha muricata var. jonesii George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  RSA0079063  Cryptantha muricata var. jonesii Scott D. White, Justin M. Wood 2008-6-16 12127 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCD119940  Cryptantha muricata var. jonesii C. L. Hitchcock 1966-3-15 24157 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  RSA0079565  Cryptantha muricata var. jonesii J. T. Howell 1927-8-2 s.n. Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA499746  Cryptantha nevadensis N. C. Cooper 1948-5-13 2787 Riverside Desert Hot Springs 244 Comment
  SD247360  Cryptantha pterocarya var. pterocarya A. C. Sanders 1986-6-1 6536 Riverside San Jacinto Mountains; trail to Spitler Peak from Hurkey Creek Camp to Bonita Vista Road. 1835 Comment
  HSC79081  Cryptantha racemosa G. K. Helmkamp 1984-5-5 - 4 Riverside Little San Bernardino Mtns., Big Morongo Canyon, 4 mi. below the caretaker's house at the Big Morongo Preserve 549 Comment
  SBBG87846  Cryptantha racemosa A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6129 Riverside N foot of the Chuckwalla Mtns, 2.75 mi airline SE of Desert Center 365 Comment
  POM259688  Cryptantha utahensis P. A. Munz 1940-3-23 15718 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  POM4559  Cucurbita palmata I. M. Johnston 1918-5-30 1999 Riverside Between Elsinore and Perris. 548 Comment
  RSA289815  Cucurbita palmata B. A. Prigge 1980-9-16 4044 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  CAS-BOT-BC224553  Cuscuta californica Steve Boyd 1986-5-1 1811 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  CAS-BOT-BC224607  Cuscuta californica var. papillosa Milo S. Baker 1928-4-3 2796 a Riverside Palm Canon [Canyon] Comment
  RSA735178  Cuscuta subinclusa Scott D. White, Justin M. Wood 2005-9-27 11232 Riverside San Gorgonio Pass: Cabazon: Alluvial benches and braided dry channels south of Interstate 5 [I-10] and west of San Gorgonio River. 579 Comment
  UCR131791  Cycloloma atriplicifolium Mitch Provance 1998-6-11 643 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR263232  Cycloloma atriplicifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41458 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR84979  Cycloloma atriplicifolium A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16225 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA0097551  Cylindropuntia bigelovii Marc A. Baker 2015-4-7 18303 Riverside 1.7 km NE of White Water Hill, just west of Hwy 62, 2 km north of its junction with Interstate 10, 13 km NW of central Palm Springs. 353 Comment
  RSA0097552  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18296 Riverside Chuckwalla Mountains, Corn Springs Wash, 3.3 km WNW of Corn Spring, 70 km west of Blythe. 579 Comment
  SEINET9037432 Image available Cylindropuntia ganderi var. ganderi M. A. Baker 2015-1 18385 .2 Riverside San Jacinto Mountains, 25km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain 1236 Comment
  SD191510  Cylindropuntia prolifera John F. Green 2006-5-2 Riverside Peninsular Ranges: unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd., and Borel Rd., east of Murrieta Hot Springs. 420 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
  RSA278506  Cymopterus panamintensis var. acutifolius John F. Emmel, Thomas Emmel 1964-3-24 s.n. Riverside Lost Palms Canyon, Joshua Tree Nat. Monument. Comment
  UCR164298  Cynodon dactylon S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  RSA770779  Cyperus eragrostis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4617 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET3909591  Cyperus erythrorhizos Steve Boyd 1991-7-13 6409 Riverside Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash and I-15, just S of Cajalco Rd.; 0 Comment
  SD257107  Cyperus involucratus Mitch Provance 2012-11-9 612 52 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mile SE of the intersection of Gernart Rd and Watkins Drive (Riverside East 7.5'Q) 422 Comment
  CDA20620  Cyperus rotundus K. E. Hoffmaster July 1958 s.n. Riverside Southern California; Indio. 0 Comment
  UC1100637  Cyperus rotundus Herbert L. Mason and S. Galen Smith 1948-9-3 503 Riverside Thermal Comment
  POM11135  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA703453  Dactyloctenium aegyptium R. E. Riefner Jr. 2004-7-30 4 -281 Riverside City of Norco, Sixth Street at Sierra Avenue. USGS 7.5' Quad: Corona North. 200 Comment
  CLARK-A1528-2777  Dalea californica John C. Roos 1942-5-1 1150 Riverside Dry Morongo Canyon Comment
  CLARK-A1528-468  Dalea emoryi Shirley Hill 1963-3-13 630313-3 Riverside Palm Springs Comment
  RSA498350  Dalea mollis Martha Hilend 1928-4-15 177 Riverside Thousand Palms Comment
Read comments
Sep 10 2011
  RSA681031  Dalea mollis Scott D. White, Michael Honer 2003-5-14 9263 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA0018639  Dalea schottii C. P. Cowan 1978-4-23 1168 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Whittaker transect #W-217. 570 Comment
  CAS-BOT-BC283042  Dasyochloa pulchella C. L. Hitchcock 1940-4-1 5907 Riverside 1 mi. below Cottonwood Spring, Joshua Tree Nat. Monument Comment
  RSA129648  Dasyochloa pulchella H. S. Yates 1937-3-24 6454 Riverside Deep Canyon, Coachella Valley 457 Comment
  RSA709874  Dasyochloa pulchella Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4618 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR156301  Datisca glomerata T. B. Salvato, Kent Beaman 2005-5-16 833 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
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UCR199562  Datisca glomerata Scott D. White 2004-4-26 10268 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  HSC92890  Datura wrightii Scott D. White 1996-9-22 4528 Riverside Lakeview Mtns.: N of Homeland, along Juniper Flats Rd., 1.2 mi. N of intersection with Hwy. 74, drainage channel parallel to the road 500 Comment
  RSA588168  Datura wrightii D. L. Banks, Steve D. Boyd 1995-10-17 802 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR100312  Datura wrightii B. G. Pitzer 1997-4-20 3173 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
  UCR172282  Daucus pusillus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA747276  Deinandra fasciculata Orlando Mistretta 1992-6-10 513 Riverside Cleveland National Forest: Along old road coming off 3504 W of San Gabriel Mountains: Northeast slope Mt. San Antonio. Headwaters of west fork of north fork Lytle Creek. Sierra Peak. [Telegraph Peak quad?] Head of road. Comment
  SDSU12947  Deinandra fasciculata Jutta Buschbom 1991-6-1 19 Riverside Santa Margarita Ecological Reserve, Temecula. 152 Comment
  UC1929933  Deinandra fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  UCR247554  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10- 50 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  RSA149631  Delphinium parishii Harlan Lewis, C. Epling 1941-5-2 s.n. Riverside 1 mile W. of Cottonwood Spring, Joshua Tree National Monument. Comment
  RSA0019613  Delphinium parishii subsp. parishii R. S. Woglum 1937-5-22 582 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA0020487  Delphinium parishii subsp. parishii H. de Forest 1933-4-16 s.n. Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA0020471  Delphinium parryi subsp. parryi N. C. Cooper 1944-4-22 1105 Riverside Banning. 701 Comment
  RSA400046  Delphinium patens subsp. hepaticoideum E. Crow 1929-3-17 194 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CAS-BOT-BC198168  Deschampsia danthonioides W. A. Silveus 1938-4-16 2644 Riverside Marsh flying field near Elsinore Comment
  CLARK-A1656-708  Descurainia pinnata Theo Glenn 1979-2-11 Riverside San Jacinto Mountains 365 Comment
  POM369423  Descurainia pinnata Dr H. de Forest 1929-2-16 s.n. Riverside San Gorgonio Pass(San Bernardino Mtns. on label) Comment
  POM369392  Descurainia pinnata subsp. glabra N. C. Cooper 1944-5-20 1235 Riverside Pinon Flats, Palms to Pines Hwy. 1220 Comment
  SEINET12005374  Descurainia pinnata subsp. halictorum Unknown 1936-1 12757 Riverside E of Banning Comment
  POM369420  Descurainia pinnata subsp. menziesii M. B. Dunkle 1933-3-3 3023 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
Read comments
Mar 20 2011
  UCR201668  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-19 12272 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR260886  Dicentra chrysantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41569 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 396 Comment
  UCR136256  Dichelostemma capitatum A. C. Sanders 2004-4-20 27565 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
  IRVC55  Dichelostemma capitatum subsp. capitatum Lorene Lewton 1965-4-24 HS 0079 Riverside Hwy 71 [79] 1.5 mi. W of Dripping Springs Guard Station. Palomar Mtns 488 Comment
  RSA367467  Dichelostemma capitatum subsp. capitatum Martha Hilend 1928-4-1 143 Riverside Between Banning and Whitewater. Comment
  RSA367526  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  UCR215508  Dichelostemma capitatum subsp. capitatum Daphne K. Christopher, Hannah I. Stevens 2003-4-3 082 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  JOTR32331  Dichelostemma capitatum subsp. pauciflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2453 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  CSUSB20  Dichelostemma pulchellum R. Pirot 1975-5-23 Riverside Juniper Flats Road and Highway 74, Homeland. 542 Comment
  UC1930086  Dichelostemma pulchellum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10489 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
  CAS-BOT-BC292189  Dicoria canescens Peter H. Raven 1961-10-8 16840 Riverside Whitewater Wash along Snow Creek Road near State Highway 111 350 Comment
  UCR150041  Digitaria sanguinalis Scott D. White, Brian Leatherman 2004-10-7 10768 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  UCR266775  Dimorphotheca sinuata Mitch Provance, Matt Amalong 2015-3-25 315- 21 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  SD137607  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 558 Riverside Cleveland National Forest; Agua Tibia Wilderness area N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary Ao mi S of clay grasslands 901 Comment
  CAS-BOT-BC150933  Diplacus bigelovii var. bigelovii T. Mosquin 1958-2-22 3203 Riverside Corn Spring, Chuckwalla Mts. Comment
  SD137605  Diplacus brevipes Darin L. Banks, Steve Boyd 1995-4-5 160 Riverside Agua Tibia WildernessArea. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail in the N flowing drainage that empties into Arroyo Seco 609 Comment
  SBBG102809  Diplacus longiflorus D. M. Thompson 1992-5-18 1069 Riverside Lakeview (at Roman Expressway) along Davis Rd; 3.8 road mi S of St Hwy 60 484 Comment
  UCR240202  Distichlis spicata C. J. Minar 1994-5-7 07 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  RSA421609  Ditaxis lanceolata H. S. Budd 1893-4-10 s.n. Riverside Palm Springs Comment
  RSA721896  Ditaxis lanceolata J. Mark Porter, Orlando Mistretta 2003-6-5 13607 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  UCR114113  Ditaxis lanceolata B. G. Pitzer, J. Ross 1998-3-8 3609 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR260316  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-3-10 41373 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  JEPS52446  Ditaxis serrata Marjorie D. Clary 1932-3-2 906 Riverside Bajada of Santa Rosa Mts., 3 mi w of Coral Reef Ranch, Coachella Comment
  RSA263904  Ditaxis serrata var. californica C. W. Tilforth 1976-7-20 1211 Riverside Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Riverside County, CA. Colorado Desert. Comment
  RSA530748  Dithyrea californica Martha Hilend 1928-3-9 63 Riverside Near White Water Bridge. Colorado Desert. Comment
  RSA66544  Dithyrea californica F. W. Peirson 1920-2-14 4178 Riverside Whitewater Station, Colorado Desert Comment
  SEINET3148478  Dithyrea californica G. B. Grant 1906-1 266 a-6769 Riverside Colorado desert at Palm Springs Comment
  SDSU21800  Downingia cuspidata Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3980 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC219245  Downingia cuspidata P. A. Munz 1922-4-29 5093 Riverside 0.5 mi s Lake Elsinore 381 Comment
  UCR18804  Draba cuneifolia var. integrifolia John C. Roos 1952-2-29 5369 Riverside San Bernardino Valley, [upper] Reche Canyon 549 Comment
  RSA530889  Draba saxosa L. C. Wheeler 1931-10-3 192 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  UCR213857  Dryopteris arguta Scott D. White, Justin M. Wood 2009-5-22 12926 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  UCR25369  Dryopteris arguta John C. Roos 1952-4-13 5519 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  UCR214305  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 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
  RSA559432  Dudleya multicaulis Steve Boyd, Timothy S. Ross 1992-5-5 7222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  LA104955  Dudleya saxosa subsp. aloides Kei Nakai; 1980-12-25 688 Riverside San Jacinto Mountains, 4.0 mi. W of Mountain Center on S side of Hwy 74 1219 Comment
  RSA209565  Dudleya saxosa subsp. aloides T. Beck 1968-4-28 680428 -8 Riverside 1/2 mi. S of trout farm on White Water Canyon Rd. At point where the river crosses the road. 549 Comment
  UC933327  Dudleya saxosa subsp. aloides Reid Moran 1946-3-20 1944 Riverside San Andreas Canyon Comment
  SEINET8037279 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 18 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
Read comments
Jun 4 2016
  RSA0021860  Echinocereus engelmannii var. engelmannii Ora M. Clark 1929-3-17 1761 Riverside S. Palm Springs. Comment
  RSA370868  Echinochloa crus-galli R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61273 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UCR242708  Echinochloa crus-galli Dagne Duguma 2013-7-7 s.n. Riverside Santa Ana River Basin, Prado wetlands near Corona 155 Comment
  SEINET3082987 Image available Echinocystis macrocarpa Norman C. Cooper 1947-4-4 2026 Riverside Los Alamos Canyon, Elsinore. Comment
  RSA69869  Eclipta prostrata J. C. Roos 1951-9-22 52332 Riverside Fairmont Park. 244 Comment
  UCR9300  Eclipta prostrata K. Black 1969-10-26 s.n. Riverside Santa Ana River bottom near the Van Buren Bridge 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
  SEINET954735  Ehrharta longiflora Tom Chester 2005-1 581 Riverside Peninsular Ranges; Santa Ana Mountains region: Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  UCR94488  Eleocharis acicularis var. acicularis 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
  UCR78097  Eleocharis bella Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6339 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  UCR109744  Eleocharis montevidensis T. W. Fisher 1963-10-3 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  RSA593896  Eleocharis palustris Steve Boyd, David E. Bramlet 1996-4-19 8612 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
  RSA714377  Eleocharis parishii T. B. Salvato, John Green 2004-5-27 605 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA736244  Eleocharis parishii Scott D. White, Jonathan Campbell 2008-4-18 11894 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UC38218  Elymus elymoides subsp. elymoides H. M. Hall June, 1901 2177 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UC38214  Elymus glaucus H. M. Hall June, 1901 2097 Riverside San Jacinto Mountains; slopes and benches of s side 1463 Comment
  UCR262262  Elymus glaucus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3732 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR207469  Elymus repens O. F. Clarke 2002-12-21 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 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
  RSA701471  Emmenanthe penduliflora M. Wall 1996-7-1 191 Riverside Cherry Valley, Beaumont/Oak Glen Rd, 2.6 mi N of Cherry Vly Blvd, top of steep E slope of Little San Gorgonio Creek. Comment
  SD4049  Emmenanthe penduliflora Edmund Jaeger 1925-5-2 Riverside Kyes water Canyon, Box Springs Mountains. 579 Comment
  UC2015541  Emmenanthe penduliflora A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16155 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR25801  Emmenanthe penduliflora John C. Roos 1952-4-13 5534 Riverside N side of the Box Springs Mountains 457 Comment
  CAS-BOT-BC131169  Encelia actoni Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  JEPS34089  Encelia actoni W. L. Jepson 1928-4-25 12584 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 731 Comment
  LA205860  Encelia actoni Norman C. Cooper; 1944-5-20 2627 Riverside San Jacinto Mountains, Palms to Pines Highway 914 Comment
  JOTR01257  Encelia actoni Cole, James E. 1942-5-19 969 Riverside Joshua Tree National Park. WHITE TANK AREA 1280 Comment
  CAS-BOT-BC131348  Encelia farinosa E. A. McGregor 1917-3-17 770 Riverside West of Fig Tree [John's] Johns Comment
  RSA0088362  Encelia farinosa Phung Hoang 2016-4-9 16 Riverside LA basin, White water canyon reserve. 536 Comment
  SD251190  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 22 Comment
  UCR260965  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside Sonoran (Colorado) Desert, the Mecca Hills, beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected 23 Comment
  POM356694  Encelia farinosa var. farinosa E. Crow 1929-2-24 174 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  RSA515198  Encelia farinosa var. phenicodonta Steve Boyd, Orlando Mistretta 1986-3-13 1470 Riverside West side Palen Mts.: NE of Desert Center. Comment
  CAS-BOT-BC489624  Enchylaena tomentosa A. C. Sanders; T. B. Salvato 2015-7-22 41747 Riverside Peninsular Range: Riverside; former O.F. Clarke residence, 266 Frost Ct; E edge of UCR campus 361 Comment
  CAS-BOT-BC409252  Ephedra Lester Rowntree 1934-3-24 s.n. Riverside Morongo Valley Comment
  JOTR34111  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2743 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SBBG22847  Ephedra californica D. Myrick 1965-3-4 1077 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  UC1302449  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 mi s of Morongo Valley (ca 3 mi s of San Bernardino Co. line) Comment
  UC813662  Ephedra fasciculata var. clokeyi I. W. Clokey 1935-4-17 6511 Riverside Cottonwood Springs Comment
  UC56666  Ephedra nevadensis H. M. Hall 1901-5-1 1881 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); Colorado Desert, San Jacinto Mountains Comment
  RSA0112101  Ephedra trifurca Duncan S. Bell 2009-8-15 435 Riverside East side of the Arica Mountains. 257 Comment
  JOTR35160  Ephedra viridis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3269 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  RSA737422  Epilobium brachycarpum Justin M. Wood 2008-8-31 129 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  UCR129331  Epilobium canum subsp. latifolium C. B. Wolf 1932-10-12 04299 Riverside Sonoran (Colorado) Desert, Pinyon Well, Little San Bernardino Mtns. 1220 Comment
  UCR5606  Epilobium canum subsp. latifolium O. F. Clarke 1966-10-5 661005- 34 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  SD233244  Epipactis gigantea Scott D. White, Justin M. Wood 2009-5-22 12928 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  POM964  Equisetum laevigatum D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
  UC218660  Equisetum laevigatum P. A. Munz and I. M. Johnston 1922-5-21 5515 Riverside Keen Camp; San Jacinto Mts. 1524 Comment
  CLARK-A1528-4628  Eragrostis cilianensis John C. Roos 1965-7-7 Riverside San Jacinto Comment
  RSA450464  Eragrostis mexicana subsp. virescens J. C. Roos 1965-7-7 s.n. Riverside San Jacinto. On the edge of alfalfa field. 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
  UC665865  Eremalche exilis Ira L. Wiggins 1941-3-27 9685 Riverside 8 mi. n.e. Desert Center; s. end Coxcomb Mts. Comment
  UC68598  Eremalche exilis H. M. Hall Apr. 1905 5928 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  POM306731  Eremalche rotundifolia Henry J. Ramsey, Henry J. Ramsey 1938-4-26 I- 7 -II Riverside West of blythe. Comment
  RSA567653  Eremalche rotundifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12094 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA596668  Eremocarpus setiger D. L. Banks, Lauren Raz 1996-11-5 1149 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
  SD181439  Eremothera boothii subsp. condensata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1095 Riverside Little SanBernardino Mountains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  UC1186516  Eremothera boothii subsp. condensata E. G. Linsley and J. W. MacSwain 1960-3-2 60 -4 Riverside twenty mi e Desert Center Comment
  UCSB12907  Eremothera boothii subsp. condensata Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon near Los Angeles Aqueduct Comment
  SD239835  Eremothera refracta Dave Silverman, Mark Bibbo 2010-3-31 7894 Riverside Southern McCoy Mountains, east bajada flank, 1.5 km west of Black Creek Road, 6.5 km north of I-10, and 6.9 km ENE of McCoy Peak. 177 Comment
  SD3841  Eriastrum densifolium subsp. austromontanum F. Youngberg 1933-8-28 Riverside Near Camp Emerson, Boy Scout camp; Idyllwild. Comment
  RSA0110539  Eriastrum densifolium subsp. austromontanum John F. Emmel 1979-9-30 696 Riverside SE end of San Jacinto Mts., south base of Sugarloaf Mtn., near SE end Pinyon Flat. 1250 Comment
  JEPS69033  Eriastrum eremicum subsp. eremicum W. L. Jepson 1928-4-26 12643 Riverside Whitewater bridge Colorado Desert, San Gorgonio Pass Comment
  UC1329878  Eriastrum eremicum subsp. eremicum James E. Cole 1941-5-21 770 Riverside Ruby Lee Mill Site Joshua Tree National Monument 914 Comment
  CAS-BOT-BC514452  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2789 b Riverside Palm Canyon Road to Palm Springs Comment
  RSA0120069  Eriastrum eremicum subsp. eremicum Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  UC964727  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  UCR241056  Eriastrum filifolium John F. Green 2013-5-17 s.n. Riverside Peninsular Range, near intersection of Temescal Canyon Rd. and Campbell Ranch Rd. 329 Comment
  UCR261143  Eriastrum sapphirinum A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41733 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 370 Comment
  UCR49767  Eriastrum sapphirinum D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  UCR121234  Eriastrum sapphirinum subsp. ambiguum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2271 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR280913  Eriastrum sapphirinum subsp. dasyanthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 40 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCSB5009  Eriastrum sapphirinum subsp. dasyanthum Jacobson, A. 1959-5-16 Riverside Road between Banning and Idyllwild, 4 miles south of Banning 762 Comment
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Mar 30 2014
  RSA0122973  Eriastrum sapphirinum subsp. sapphirinum Anonymous 1896-09 s.n. Riverside Strawberry Valley. Comment
  UCR85285  Ericameria cuneata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  POM359403  Ericameria linearifolia N. R. Zabriskie, W. M. Zabriskie 1971-4-9 372 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  SD84911  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 372 Riverside 2.0 miles up water service road leading south from Highway 72, Deep Canyon. 1310 Comment
  SFV6315  Ericameria linearifolia T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-3 29 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  RSA486463  Ericameria palmeri var. pachylepis Richard Noyes, L. Arnseth 1988-10-30 753 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  UCR89247  Ericameria palmeri var. pachylepis Scott D. White 1995-9-22 3681 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UCR100212  Ericameria pinifolia Scott D. White 1992-12-16 980 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UCR91622  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 788 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  SDSU12964  Erigeron canadensis Michael G. Simpson with Claudia A. Luke 1999-10-27 2016 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  CLARK-A1528-2968  Eriodictyon californicum John C. Roos 1947-3-15 3340 Riverside San Jacinto Mountains 609 Comment
  SD227835  Eriodictyon crassifolium A. C. Sanders, John Green 1999-5-31 22797 Riverside Box Springs Mtns: upper Two Trees Canyon, E of Belvedere Heights (Riverside East 7.5' Q) 609 Comment
  UCR234245  Eriodictyon crassifolium A. C. Sanders, T. B. Salvato 2012-4-27 40091 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  UCR98856  Eriodictyon crassifolium A. C. Sanders, G. Helmkamp 1997-3-15 19987 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UC1979591  Eriodictyon crassifolium var. crassifolium D. L Banks, Steve Boyd 1995-3-30 0127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. Comment
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Nov 18 2015
  UCR91619  Eriodictyon crassifolium var. crassifolium D. L. Banks, Steve Boyd 1995-3-30 127 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  UCR241241  Eriodictyon trichocalyx Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 501 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  CAS-BOT-BC219331  Eriodictyon trichocalyx var. trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts. 1676 Comment
  CAS-BOT-BC248621  Eriogonum apiculatum Peter Kamb 1950-9-12 1930 Riverside West side of Mt. San Jacinto on ridge north of North Fork of San Jacinto River 2286 Comment
  CAS-BOT-BC248625  Eriogonum apiculatum William M. Klein 1960-8-22 1582 Riverside North of Idyllwild along the trail to Suicide Rock and Mt San Jacinto, San Jacinto Mts. Comment
  POM49861  Eriogonum apiculatum P. A. Munz, I. M. Johnston 1924-7-27 8757 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA393465  Eriogonum davidsonii M. B. Dunkle 1934-6-18 3999 Riverside Head of San Juan Canyon. 549 Comment
  UCR106735  Eriogonum davidsonii John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA682862  Eriogonum deflexum Scott D. White, Michael Honer 2003-5-13 9233 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  CAS-BOT-BC256132  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon at Hidden Spring, 13 miles se. of Mecca, Chocolate Mts. Comment
  RSA192059  Eriogonum elongatum E. W. Lathrop 1965-12-9 6035 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  SDSU6516  Eriogonum fasciculatum T. B. Bruhns 1966-6-30 278 Riverside Along road, South side of Lake Matthews. Comment
  POM123086  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1890-5-23 s.n. Riverside Riverside. Comment
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May 22 2012
  UCR90741  Eriogonum fasciculatum var. foliolosum Scott D. White 1995-4-5 2734 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  JOTR29160  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1234 Riverside Joshua Tree National Park. Key's view Comment
  UC1349024  Eriogonum gracile Lathrop and Thorne 1967-9-26 6647 Riverside 6 mi nw Murietta Comment
  UC6312  Eriogonum gracile A. J. McClatchie May 1892 48 Riverside near Elsinore Comment
  RSA486460  Eriogonum gracile var. gracile Richard Noyes, L. Arnseth 1988-10-30 756 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA527857  Eriogonum gracile var. incultum Scott D. White 1991-5-10 91 -153 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR146123  Eriogonum gracile var. incultum Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-16 1456 Riverside Peninsular Ranges; San Jacinto Mountains, Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  RSA338172  Eriogonum maculatum Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53580 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  SD8023  Eriogonum maculatum S. B. Parish, W. F. Parish April 1882 Riverside Agua Caliente [=Palm Springs, says Andy Sanders] Comment
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Nov 3 2011
  CAS-BOT-BC270590  Eriogonum molestum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  POM49276  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idyllwild. 1616 Comment
  LA206958  Eriogonum nudum var. pauciflorum Louis C. Wheeler; 1931-10-4 219 Riverside San Jacinto Mountains, Hemet-Idyllwild Road Comment
  SD22473  Eriogonum palmerianum Susan G. Stokes 1933-7-1 Riverside Road to Idyllwild, sandy flat near road 762 Comment
  POM259741  Eriogonum thomasii E. C. Jaeger 1939-12-28 s.n. Riverside Burro Canon, 5 miles east of Thousand Palms. 183 Comment
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Apr 3 2011
  RSA698449  Eriogonum thomasii Mary Edmunds 1932-3-24 s.n. Riverside McIntyre Ranch Oasis: Coachella Valley. Comment
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Jun 15 2012
  RSA777533  Eriogonum thomasii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 907 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SBBG1631  Eriogonum thomasii H. and M. Dearing 1942-4-8 4871 Riverside Riverside Mtns, 35 mi N of Blythe Comment
  SEINET3087900 Image available Eriogonum thomasii George K. Helmkamp 1995-3-16 Riverside W of Rice Rd. 10.3 miles NE of Desert Center. On alluvial fan below rocky slopes of Coxcomb Mtns. Common. [UTN 10 km cell: PH-5E 4N. Coxcomb (S)] 198 Comment
  UCR200299  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11213 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
  UCSB23769  Eriogonum thomasii Shaw, Merrilee 1964-4-5 Riverside State Highway 195; 7.3 miles northeast of junction with State Highway 111 at Mecca 106 Comment
  CAS-BOT-BC262880  Eriogonum thurberi Ivan Johnston 1917-4-4 1085 Riverside Colorado Desert. Near Palm Springs 152 Comment
  SEINET9369605  Eriogonum trichopes Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  LA207037  Eriogonum umbellatum var. munzii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mountains, Marion Camp Comment
  UCR63890  Eriogonum viridescens B. G. Pitzer 1989-4-16 1295 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  CAS-BOT-BC264932  Eriogonum wrightii var. membranaceum Dammers 1933-12-1 s.n. Riverside Gavilan Hills Comment
  JEPS29473  Erioneuron pulchellum Lauramay T. Dempster 1962-4-18 1899 Riverside Palms-to-Pines Hwy Pinyon Flats 1066 Comment
  UC68594  Erioneuron pulchellum H. M. Hall 1905-5-1 5961 Riverside Colorado River Colorado Desert (canyons along river) Comment
  POM31121  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Palm Springs, in the lower sonoran zone of the Colorado Desert. 150 Comment
  UCR165851  Eriophyllum confertiflorum T. B. Salvato, John F. Green 2004-5-27 635 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR241498  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 220 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA92625  Eriophyllum confertiflorum F. W. Peirson 1924-7-29 5023 Riverside Road between Banning and Idyllwild. 1767 Comment
  JOTR29609  Eriophyllum confertiflorum var. confertiflorum Andre, Jim 2006-4-26 6746 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  JOTR31116  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2500 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  LA203540  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1937-8-3 sn Riverside Santa Ana Mountains, Indian Truck Trail Comment
  UC1536860  Eriophyllum confertiflorum var. confertiflorum G. H. True Jr. 1935-3-15 104 Riverside Gavilan Hills 365 Comment
  UC217984  Eriophyllum multicaule P. A. Munz and I. M. Johnston 1922-5-19 5345 Riverside 5 mi ne of Murrietta 411 Comment
  UCR87984  Eriophyllum multicaule Karin Cleary-Rose 1992-4-6 115 Riverside Lakeview Mtns, Reinhardt Canyon, west of Hemet, W side of California Street. 585 Comment
  JEPS5421  Eriophyllum wallacei W. L. Jepson and H. M. Hall 1901-5-19 1272 a Riverside upper end San Jacinto River Comment
  JOTR35462  Eriophyllum wallacei Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 65 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UCR158508  Erodium botrys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30046 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
  JOTR16709  Erodium cicutarium Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  RSA703473  Erodium cicutarium LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1418 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA741425  Erodium cicutarium Justin M. Wood 2008-12-2 263 Riverside SW Perris Basin: City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR155302  Erodium cicutarium A. C. Sanders 2005-5-4 29839 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR91444  Erodium cicutarium Scott D. White 1995-3-30 2632 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  UC1922687  Erodium moschatum Scott D. White, Angelia Carey 2004-4-5 10037 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  CLARK-A1528-5433  Erodium obtusiplicatum John C. Roos 1966-3-22 Riverside Edgemont Comment
  RSA0019311  Erythranthe guttata Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38127 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA0019312  Erythranthe guttata Philip A. Munz 1922-6-30 5900 Riverside Santa Rosa. 1982 Comment
  GMDRC5487  Eschscholzia androuxii J. Andre 2012-4-16 20884 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  RSA0022934  Eschscholzia androuxii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA433692  Eschscholzia californica Bonnie C. Templeton 1930-4-15 1489 Riverside Near Gavilan Peak. 500 Comment
  UC1584114  Eschscholzia californica Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3859 Riverside cinder cone ridge at n side mouth of Temecula Creek Cyn (s flank of mt.); 'Big' Oak Mtn., Vail Lake area 396 Comment
  RSA680918  Eschscholzia glyptosperma Scott D. White, Michael Honer 2003-5-14 9276 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CAS-BOT-BC83178  Eschscholzia minutiflora Ynez Whilton Winblad 1937-3-21 s.n. Riverside Box Canyon, Coachella Valley. Comment
  RSA445642  Eschscholzia minutiflora M. B. Dunkle 1933-3-3 3026 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  GMDRC7790  Eschscholzia papastillii J. M. Andre 2015-3-6 33553 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  RSA0022893  Eschscholzia papastillii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs. Colorado desert. Comment
  CAS-BOT-BC419629  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-14 2169 Riverside 5 mi. So. Cottonwood Spring 502 Comment
  SEINET249789  Eschscholzia parishii Aven, Ruth Nelson 1939-3-29 3320 Riverside Hidden Springs Canyon. 610 Comment
  UCR50653  Eschscholzia parishii B. A. Prigge 1988-2-21 7841 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  CAS-BOT-BC520439  Eucalyptus camaldulensis A. C. Sanders; John F. Green 2012-3-20 39978 Riverside Peninsular Range; Elsinore Trough: Lake Elsinore, Collier Ave. at 3rd St., just S of I-15 Fwy 388 Comment
  UCR241792  Eucalyptus camaldulensis A. C. Sanders, Timothy W. Chumley 2013-3-29 40711 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  UCR90600  Eucalyptus camaldulensis Scott D. White 1995-6-29 3382 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  SDSU12862  Eucalyptus leucoxylon subsp. leucoxylon J. Jill Steinberg, Leon Steinberg 1998-4-5 40 Riverside Ca. 1/4 mile northwest entrance gate to Santa Magarita (SDSU) Field Station, just south of trail leading along northwesterly border of Station. 311 Comment
  RSA776250  Eucnide urens Duncan S. Bell 2010-3-20 634 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  UCR119265  Eucrypta chrysanthemifolia Mitch Provance 1998-6-10 635 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  HSC101591  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Susan 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-Highway Vehicle Area Comment
  JEPS33745  Eulobus californicus Marjorie D. Clary 1932-5-26 1548 Riverside Pleasant Valley Colorado Desert, Hexie Mountain 1066 Comment
  UCR89245  Euphorbia albomarginata Scott D. White 1995-9-22 3683 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  SD260042  Euphorbia eriantha J. Andre 2012-4-11 20777 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  SEINET9602565  Euphorbia eriantha N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-1 6424 Riverside Big Maria Mountains, 12 airline miles N of downtown Blythe. 290 Comment
  UCR264217  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-9-10 41864 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CAS-BOT-BC334201  Euphorbia heterophylla O. F. Clarke 2005-9-24 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  SEINET4691939  Euphorbia micromera Duncan S. Bell 2012-1 4175 Riverside Rice Valley; east side of the Arica Mountians; approx 6 air miles southeast of the ghost town of Rice and Approx. 5.5 air miles east of Priests Well 202 Comment
  HSC78931  Euphorbia misera R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mtns., mouth of Whitewater canyon, E of Whitewater Post Office at S end of ridge 412 Comment
  SEINET3089929 Image available Euphorbia misera Robert F. Thorne 1980-5-28 54154 Riverside San Bernardino Mts: at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. On S-facing end of rocky ridge above old road, due N of hwy to Indio. Comment
  UCR166195  Euphorbia ocellata var. arenicola Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  UCR166872  Euphorbia polycarpa Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR21986  Euphorbia polycarpa Steve Boyd 1980-7-20 339 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SEINET10493487  Euphorbia polycarpa David B. Dunn Dunn 2050 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA407727  Euphorbia spathulata Steve Boyd 1986-5-1 1792 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  CDA39718  Eustoma exaltatum F. D. Harris 1973-8-28 s.n. Riverside Hidden Valley Gun Club, Riverside. 0 Comment
  POM7049  Eustoma exaltatum P. A. Munz, G. Williams 1919-3-25 2314 Riverside Palm Canyon, Palm Springs. 229 Comment
  HSC88768  Fagonia laevis Elizabeth Neese 1979-4-11 7095 Riverside Between Blythe and Rice, 11 mi. NW of Blythe. 305 Comment
  UC1595750  Fagonia laevis W. Wisura, J. Dolan, M. Wall 1992-3-24 4642 Riverside on road to Corn Spring (5.6 mi s of I-10) Comment
  UCR148076  Fagonia laevis John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCSB31031  Fagonia laevis Steele, R. 1977-3-28 Riverside Six miles southeast of interstate 10 along Box Canyon Road 304 Comment
  POM273965  Ferocactus cylindraceus var. lecontei Lyman Benson 1933-3-31 4186 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UCR79472  Festuca arundinacea Steve Boyd 1993-5-12 7338 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  RSA591751  Festuca elmeri E. W. Lathrop 1966-5-26 6333 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR213511  Festuca microstachys var. pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37837 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
  UCR16071  Festuca myuros H. C. Sharma 1976-4-26 760426- 02 Riverside Woodcrest, c. 2 miles from Woodcrest on Firethorn Ave 335 Comment
  UCR2410  Festuca myuros F. M. Reed 1906-3-7 897 Riverside Riverside. Hydrant [at] corner of Streight (?) and Hooker Ranches, Victoria Heights Comment
  SEINET260217 Image available Festuca occidentalis M. Curto, L. Allen 1991-6-26 771 Riverside San Bernardino National Forest ; San Jacinto Mts ca 3km SE of Pine Cove on SBNF Rd 5S10 1650 Comment
  POM37179  Filago arizonica Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA501077  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3195 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA525316  Filago californica Steve Boyd, David E. Bramlet 1990-4-29 4470 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR116903  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23971 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR213280  Filago californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37693 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  RSA586304  Filago gallica D. L. Banks, S. D. Boyd 1995-5-3 0215 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SEINET7048207  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33719 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UCSB63087  Flaveria trinervia Sanders, A. 1981-10-31 Riverside McKinley St. between Riverside and Corona, 3/10 mi. north of Hwy 91 and +100 yds west of McKinley 304 Comment
  UCR41846  Fouquieria splendens A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6090 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCSB4144  Fouquieria splendens Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 195 and Hwy. 60-70 at N edge of Orocopia Mts. Comment
  RSA653586  Frankenia salina A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23185 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCD99611  Frankenia salina Scott D. White 2009-8-10 13349 Riverside Temecula Valley, city of Temecula, West bnak of Murrieta Creek, 0.5 miles N and S of the Main Street bridge. 303 Comment
  UCR201842  Frankenia salina Justin M. Wood 2008-10-29 209 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 320 Comment
  UCR80802  Fraxinus dipetala Scott D. White 1993-5-29 1465 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  SD186260  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Viverside, along Spring Brook between Lake Evans and the Santa Ana River. 238 Comment
  UCR118811  Fumaria officinalis O. F. Clarke 2000-3-14 s.n. Riverside Peninsular Range, Riverside, in yard of O.F. Clarke residence at 266 Frost Court 360 Comment
  UCR281017  Funastrum cynanchoides var. hartwegii Fred M. Roberts 2016-3-5 7989 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA740085  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2008-6-16 12148 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  SD187471  Galium angustifolium Scott D. White, Angelia Carey 2004-4-16 10185 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 116 Comment
  SEINET7072849  Galium angustifolium A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UC1929611  Galium angustifolium Scott D. White 2003-3-21 8816 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  JEPS56084  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4127 Riverside road from Banning to Idyllwild 2 mi n road to Twin Pines Ranch 304 Comment
  RSA60732  Galium angustifolium subsp. angustifolium Frank W. Gould 1943-4-17 2121 Riverside 12 miles S of Corona. Comment
  RSA740626  Galium angustifolium subsp. angustifolium Scott D. White, Justin M. Wood 2008-7-8 12380 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  UCR5858  Galium angustifolium subsp. angustifolium Frank C. Vasek 1966-9-5 660905- 02 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  SBBG89043  Galium angustifolium subsp. gracillimum B. Pitzer, K. Kirtland 1986-5-20 227 Riverside E side of Butterfield Stage Rd, 1 mi S of Buck Mesa, Rancho California area, N side of Pauba Valley 457 Comment
  RSA0063962  Galium angustifolium subsp. jacinticum J. M. Andre 2012-6-15 30513 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
  RSA689697  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  RSA524227  Galium aparine Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4021 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA706294  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1284 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  LA208516  Galium johnstonii F. H. Lewis; 1939-11-22 Riverside San Jacinto Mountains, Dry slope, Idyllwild Comment
  UC102542  Galium parishii A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2529 Comment
  UCR79211  Galium porrigens var. porrigens Steve Boyd, T. S. Ross 1992-5-5 7221 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area. Oak Flats east of Verdugo Potrero 732 Comment
  JOTR36465  Galium stellatum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3435 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  UCR120903  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  UCR88574  Gamochaeta stagnalis A. C. Sanders, J. C. Lyman 1995-4-16 16566 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR261967  Garrya flavescens Tom Scott 2011-1 2011- 571 .7 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 6.5 miles up canyon 1492 Comment
  CAS-BOT-BC158072  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Brush lands, San Jacinto River Comment
  RSA125363  Garrya veatchii R. Weatherby 1950-3-5 1053 Riverside Road between Anza and Hemet Comment
  RSA643453  Garrya veatchii A. C. Sanders 1995-11-26 17914 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga & Anza, S of Hwy 371 (near, T8S R2E, S13, 14, 15, 22) crossing Spanish spur Trail, 0.3 mile S of Tule Peak Road, SE/4, S15. 1204 Comment
  UC1122720  Garrya veatchii A. Lewis 1933-2-2 150 Riverside Reed Valley; San Jacinto Quad. 1066 Comment
  RSA761322  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 680 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA761893  Gayophytum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 706 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA719780  Gayophytum decipiens Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1739 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR16979  Gayophytum oligospermum Harlan Lewis, M. Lewis 1962-8-2 1307 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Road, Pine Cove, 0.4 mi west of Idyllwild-Banning Road Comment
  CAS-BOT-BC303586  Geraea canescens F. H. Billings 1926-1-25 15 Riverside Near Palm Springs Comment
  JEPS59915  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi se of Thousand Palms 15 Comment
  RSA781746  Geraea canescens Duncan S. Bell 2011-12-30 3046 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SD258882  Geraea canescens Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7639 Riverside Mecca Hills: Meccacopia Trail just east of Shaver's Well. Eastern Mecca Hills, south edge of Shaver's Vally, just west of Orocopia Mountains, east of Box Canyon, eastnortheast of Mecca. 301 Comment
  UCR100866  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-18 2708 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  SEINET10849118  Geraea canescens David B. Dunn, Shogo; Schroeder; Bruskin; FOLSOM 1948-3-14 Dunn 3750 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR167681  Geranium carolinianum T. B. Salvato, Melissa Clemons 2005-6-23 1300 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA523916  Gilia achilleifolia subsp. multicaulis G. H. True 1935-2-26 17 Riverside Mockingbird Canyon. 366 Comment
  RSA556489  Gilia angelensis Julie Greene 1993-3-13 1061 Riverside On slope by trailers. 426 Comment
  SD247689  Gilia angelensis J. Mark Porter, Lauren E. Machen 1997-2-15 11425 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 118 Comment
  UC1178638  Gilia angelensis Peter Kamb 1948-5-2 929 Riverside above Banning (n slope of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UC718485  Gilia angelensis Carl B. Wolf 1935-4-7 6314 Riverside 2 mi sw of Perris; Gavilan Hills Region, sw of Ferris 426 Comment
  UCR177945  Gilia angelensis Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 027 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR18182  Gilia australis A. C. Sanders 1978-4-30 482 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  RSA469357  Gilia diegensis M. B. Dunkle 1938-5-28 5281 Riverside San Juan Canyon. Comment
  UC126042  Gilia diegensis D. Cleveland 1882-5-3 Riverside Temecula Comment
  UC23616  Gilia hallii H. M. Hall 1899-5-25 11785 Riverside Coyote Canyon, El Toro Mt., San Jacinto Mts. Comment
Read comments
Aug 14 2010
  UC69315  Gilia latifolia L. A. Greata Apr. 1905 Riverside Coachella Comment
  UC908041  Gilia latifolia Herbert L. Mason 1928-3-10 4203 Riverside Hidden Springs Canyon Coachella Mountains, Hidden Springs Canyon Comment
  UC1979573  Gilia ochroleuca subsp. exilis Darin L. Banks, Steve Boyd 1995-5-3 0256 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  RSA797510  Gilia stellata C. P. Cowan 1978-4-23 1176 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UC716291  Gilia stellata Roxana S. Ferris 1939-3-29 9709 Riverside between Hayfields Reservoir and Desert Center (Indio-Bythe Highway); btw Hayfields Reservoir and Desert Center Comment
  UCR1363  Gilia stellata Frank C. Vasek 1960-3-17 600317- 07 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
  UCR146271  Gilia stellata J. M. Porter, Et al. 2001-4-2 12343 Riverside Colorado Desert; Western Colorado Desert region, Coachella Valley, c. 1 mi east of Desert Hot Springs, Long Canyon, on W side of Long Canyon Road 396 Comment
  UCR200399  Gilia stellata Tasha La Doux, Jim Andre 2008-3-21 150 Riverside Eastern Mojave Desert, Joshua Tree National Park, Lower Wilson Wash along NE side of paved road 853 Comment
  UCR227843  Gilia stellata R. F. Thorne, Walter Wisura, Avi Shmida, Robert Whittaker 1978-4-23 52018 Riverside San Jacinto Mountains/Sonoran (Colorado) Desert, Chino Canyon Comment
  UCR193129  Githopsis diffusa subsp. candida A. C. Sanders, Tim Thomas 2008-6-20 35538 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR119264  Gnaphalium canescens subsp. microcephalum Mitch Provance 1998-6-10 637 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR93060  Gnaphalium canescens subsp. microcephalum A. C. Sanders, S. Ogg 1994-7-28 15192 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  UCR234241  Gnaphalium leucocephalum A. C. Sanders, T. B. Salvato 2012-4-27 40086 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  RSA191441  Gnaphalium luteoalbum E. W. Lathrop, R. F. Thorne 1967-9-26 6649 Riverside 6 miles NW of Murrieta. Comment
  RSA564288  Gnaphalium palustre Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UCR88566  Gnaphalium palustre A. C. Sanders, J. C. Lyman 1995-4-16 16567 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR193886  Gnaphalium stramineum A. C. Sanders, Mitch Provance 2008-7-11 35801 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR98700  Gnaphalium stramineum S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA736534  Gossypium Michael Denslow 2004-2-1 1906 Riverside North of Blythe; along Hwy 95, just south of Main Canal on west side of road. 76 Comment
  UCR63931  Gossypium hirsutum B. Lennart Johnson 1970-11-18 s.n. Riverside University of California, Riverside Comment
  JOTR32335  Grayia spinosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2456 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UC403461  Grusonia parishii Dr. P. A. Munz Apr. 1921 Riverside Little San Bernardino Mts. Comment
  RSA715264  Gutierrezia californica T. B. Salvato, Gregg Miller 2005-6-3 1381 Riverside ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road 436 Comment
  UC1523503  Gutierrezia microcephala Robert F. Thorne and Rolf and Gertrud Dahlgren 1979-8-23 53596 Riverside along road at meeting area of Mojave and Colorado Deserts Pinto Basin Road; Mojave and Colorado Desert border area, Pinto Basin Road 1097 Comment
  UCR120564  Gutierrezia sarothrae Helen Kennedy, T. B. Salvato 2002-2-2 5449 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
  CAS-BOT-BC231099  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, just E of claymine area 487 Comment
  SEINET3242787 Image available Harpagonella palmeri Steve Boyd 1986-1 1589 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 610 Comment
  RSA0066625  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  SD128548  Hazardia squarrosa var. grindelioides Reid Moran 1969-10-25 16662 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  RSA678926  Helianthemum scoparium var. scoparium Scott D. White, Michael Honer 2003-6-3 9469 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR144933  Helianthus annuus Julie A. Greene 1993-5-12 1327 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  UCR167807  Helianthus annuus T. B. Salvato, Melissa Clemons 2005-6-23 1314 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  SBBG45071  Helianthus californicus I. W. Clokey with E. G. Anderson 1935-8-21 6934 Riverside N fork of San Jacinto River 1500 Comment
  UC284802  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mtns. 1219 Comment
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Apr 1 2013
  UCSB37798  Helianthus niveus Roos, John 1962-4-3 Riverside Palm Springs Airport 121 Comment
  UCD132932  Helichrysum petiolare R. E. Riefner Jr. 2006-8-22 06 -397 Riverside Temecula, Wolf Valley, Wolf Valley Road and Wolf Creek Road. 345 Comment
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May 11 2016
  UC455974  Heliotropium curassavicum J. E. Roadhouse 1905-7-14 7853 Riverside Corona Comment
  UCR128254  Heliotropium curassavicum A. C. Sanders, Kelly Volansky 2003-10-16 27344 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA512159  Heliotropium curassavicum var. oculatum Ed LaRue 1989-5-9 s.n. Riverside North side of Temescal Wash, N of frontage rd. along Hwy 71, ca. 1/2 mile (airline) NW of Alberhill. 396 Comment
  UCR264605  Heliotropium curassavicum var. oculatum Mitch Provance 2012-6-19 196- 12 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCD132956  Helminthotheca echioides A. C. Sanders 2000-11-15 23725 Riverside Perris-Aguanga Basin region: Moreno Valley, east side of ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth. 476 Comment
  UCR174445  Hemizonia fasciculata A. C. Sanders 2006-5-19 32411 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR128238  Hemizonia kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR177319  Hemizonia kelloggii Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UCR82814  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15771 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  RSA683228  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR116588  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2001-5-24 24365 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR59650A  Hemizonia pungens subsp. laevis Jack Easton 1988-8-10 s.n. Riverside Peninsular Range, Winchester area, south of Lakeview Mts., east of and adjoining Winchester Rd. and c. 1/2 mi south of Hwy 74. 488 Comment
  NY43298  Hesperocallis undulata C. R. Annable 1995-3-16 2297 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  RSA0073109  Hesperocallis undulata Jim Andre 2013-3-27 24801 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  CAS-BOT-BC508659  Hesperocallis undulata Lester Rowntree 1937-3-23 s.n. Riverside Coachella Valley near Hidden Springs Comment
  OBI74464  Hesperocnide tenella David J. Keil 1983-4-15 16897 Riverside E of Temecula on SR79 Comment
  SEINET4118150  Hesperocnide tenella J. Mygatt, M. Mygatt; A. Munson 1996-1 M- 96 -91 Riverside Box Spring Mountain Park; end of Two Trees Road, not far from the trail head. Comment
  UC1979550  Hesperocnide tenella Darin L. Banks, Steve Boyd 1995-5-9 421 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. Area, W of Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UC219247  Hesperolinon micranthum P. A. Munz and I. M. Johnston 1922-5-19 5336 Riverside 5 mi ne Murietta 518 Comment
  UCR265831  Heteromeles arbutifolia Mitch Provance 2012-5-24 512- 13 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
  RSA0075886  Heterotheca grandiflora D. L. Banks, S. D. Boyd 1995-2-16 0045 Riverside [NW Palomar Mountains; Agua Tibia Mountains] Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., on the Dripping Springs Alcove, E of the Woodchuck Trail. 710 Comment
  RSA0075898  Heterotheca grandiflora Steve Boyd, T. S. Ross 1989-8-28 3799 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  SD187351  Heterotheca sessiliflora subsp. echioides Scott D. White 2004-9-16 10755 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  SD135316  Heuchera hirsutissima Craig Reiser, Dylan Hannon 1993-5-30 Riverside Saddle between Toro Peak and Santa Rosa Peak Comment
  SDSU20376  Heuchera hirsutissima Michael G. Simpson, Matt Guilliams, Michael Silveira, Lori Simpson 2007-6-25 2900 Riverside San Jacinto mountain, ca. 100 feet northeast of peak. 3287 Comment
  RSA775661  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 806 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  POM13398  Hieracium horridum E. C. Jaeger 1922-8-22 1016 Riverside Long Valley trail 2439 Comment
  SEINET10926756  Hilaria rigida Charles L. Hitchcock 1940-4-3 Hitchcock 5934 Riverside 11/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  CAS-BOT-BC207507  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  POM8616  Hoffmannseggia glauca P. A. Munz, R. D. Harwood 1920-4-3 3574 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  RSA405282  Hoffmannseggia glauca J. S. Stubblefield 1934-9-12 s.n Riverside Between Desert Center & Blythe. 106 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
  UCR128293  Holodiscus microphyllus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8638 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
  RSA736245  Hordeum depressum Scott D. White, Justin M. Wood 2008-4-3 11804 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR97284  Hordeum intercedens Scott D. White 1993-4-30 1315 a Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  POM1308  Hordeum murinum subsp. glaucum Crocker, Robinson 1916-3-29 730 Riverside Elsinore near lake shore Comment
  RSA651785  Hordeum murinum subsp. glaucum Markell Kohn 1959-4-29 s.n. Riverside UCR campus, Riverside. Behind greenhouse 16, 10 yards south of Eucalyptus tree by driveway Comment
  RSA651805  Hordeum murinum subsp. glaucum L. E. Francois 1966-3-23 32366 -3 Riverside City of Riverside, southeast corner of lysimeters at U.S. Salinity Laboratory prorperty, located at 14th Street & Palm Avenue 289 Comment
  UCR146255  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 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
  CAS-BOT-BC148558  Horkelia clevelandii John Thomas Howell 1927-8-2 2913 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  CAS-BOT-BC201092  Hosackia crassifolia Carl B. Wolf 1932-8-4 3909 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  SBBG122007  Hulsea heterochroma A. Parikh, N. Gale 2004-6-7 764 Riverside W side of Smith Crk, 2.3 km NE of Highland Springs, 1.1 km W of Banning Bench/Bluff Street 1110 Comment
  UC1598600  Hulsea heterochroma C. V. Meyer 1929-6-13 750 Riverside Idyllwild Grade San Jacinto Mts. 1524 Comment
  RSA191445  Hydrocotyle ranunculoides E. W. Lathrop, R. F. Thorne 1967-9-26 6635 Riverside 6 miles NW of Murrieta. Comment
  SEINET11847654  Hymenoclea salsola L. S. Rose 1936-1 36792 Riverside Palm Canyon Wash 122 Comment
  RSA58865  Hymenopappus filifolius var. lugens P. A. Munz, P. C. Everett 1950-6-23 14918 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  UC19044  Hypericum formosum var. scouleri H. M. Hall 1897-7-20 9689 Riverside San Jacinto Mts. - streams at 5300 ft San Jacinto Mts. 1615 Comment
  CHSC745  Hyptis emoryi V. Holt 1942-3-27 Riverside Blythe. 91 Comment
  UC484284  Hyptis emoryi E. Braunton Jan. 1929 1023 Riverside Painted Canyon Mecca; Painted Canyon 45 Comment
  POM9331  Hyptis emoryi Mary F. Spencer 1918-4-5 832 Riverside [Palm?] Canyon. Comment
  CAS-BOT-BC389744  Imperata brevifolia M. Danielson 1963-12-23 s.n. Riverside Tahquitz Canyon Comment
  CDA5543  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside Northwest of Neighbors Boulevard & Avenue 22, 1.4 miles north of Ripley. 0 Comment
  UCD126501  Ipomoea triloba T. C. Fuller 1962-10-2 9703 Riverside west side of Neighbors Blvd., 0.8 miles south of Ripley, Palo Verde Valley. Comment
  JEPS19108  Isocoma acradenia var. eremophila W. L. Jepson 1914-5-21 6039 Riverside about Indio 7 Comment
  RSA125959  Isocoma acradenia var. eremophila E. K. Balls, P. C. Everett 1957-11-5 22759 Riverside Beside Salton Sea, Hwy 111, 5.1 miles NW County line -70 Comment
  SD181693  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon. 334 Comment
  RSA684554  Isoetes howellii Christopher Davidson 1977-5-25 5665 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  SD186089  Iva axillaris A. C. Sanders 2004-6-20 28213 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, northeast side of the I-15 Fwy., south of Clay Canyon Rd. 305 Comment
  RSA716816  Iva axillaris subsp. robustior A. C. Sanders 2004-4-20 28213 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA0097765  Juglans californica Marc A. Baker, Michelle Cloud-Hughes 2015-7-7 18400 Riverside San Gorgonio River, 2 km south of Cabazon, 2.6 km NNW of Hurley Flat, 26 km WNW of central Palm Springs. 510 Comment
  SD237480  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive (Riverside East 7.5'Q) 320 Comment
  UCR281225  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 57 Riverside Temescal Valley, Southern foot of the Gavilan Hills, Temescal Wash, N side of Temescal Canyon Road, along 'Zeigler's Rd. 360 Comment
  UCR89388  Juncus acutus subsp. leopoldii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15875 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  SEINET10533290  Juncus acutus var. sphaerocarpus David B. Dunn, Howard Brown 1947-3-16 Dunn 2866 Riverside Pushawalla canyon, indio hills. In both wash and wash margin Comment
  UCR274291  Juncus balticus T. B. Salvato, Melissa Clemons 2005-6-6 1416 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  UCR139058  Juncus bufonius var. bufonius Julie A. Greene 1993-4-17 1198 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  UCR117381  Juncus bufonius var. congestus A. C. Sanders, T. B. Salvato 2001-5-25 24382 Riverside San Jacinto Valley, SE corner of Hemet-Ryan airport, just north of Stetson Ave. on W side of Cawston St. 462 Comment
  RSA3441  Juncus cooperi W. R. Dudley 1894-8-20 s.n. Riverside Near palm grove 6 miles east of Indio Comment
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Nov 19 2011
  JEPS67070  Juncus macrandrus W. L. Jepson 1903-8-8 2311 Riverside Tauquitz Valley Mt. San Jacinto 2438 Comment
  RSA17254  Juncus macrophyllus Carl B. Wolf 1936-6-17 7959 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  RSA192265  Juncus macrophyllus E. W. Lathrop 1966-5-11 6283 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  UCR89810  Juncus macrophyllus Scott D. White 1993-5-27 1413 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA180267  Juncus mexicanus E. W. Lathrop 1960-6-9 4984 Riverside 14 miles west of Murrieta. Comment
  RSA605992  Juncus mexicanus C. Epling, Joseph A. Ewan 1933-06 s.n. Riverside South shore Lake Elsinore. Comment
  UCR139158  Juncus mexicanus S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., southwestern end of Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  UCR201442  Juncus mexicanus Scott D. White, Justin M. Wood 2008-7-10 12456 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  SD51956  Juncus oxymeris Reid Moran 1962-7-7 9857 Riverside Occasional in shade, in granitric soil by Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  UCR201685  Juncus oxymeris Scott D. White, Justin M. Wood 2008-6-19 12258 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA70062  Juncus rugulosus F. W. Peirson 1920-12-29 2337 Riverside Andreas Canyon, Palm Springs Regon. 259 Comment
  RSA304319  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2987 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  SEINET3112188  Juncus torreyi Faulkner 1978-4-27 480 Riverside 3 mi E of Blythe. 137 Comment
  RSA500193  Juncus xiphioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3551 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA651316  Juncus xiphioides Peter H. Raven, H. J. Thompson 1960-7-17 15542 Riverside Santa Monica Mountains. in Arroyo Sequit 1.6 miles above Coast Highway., (Lat. N. 34 ; Long. 118 to 119 W.) Comment
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Jun 23 2012
  IRVC1218  Juniperus californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  JOTR30096  Juniperus californica La Doux, Tasha, Alice Miller 2007-5-8 1736 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common 1385 Comment
  UC1134257  Juniperus californica H. S. Yates 1937-3-24 6472 Riverside s of Pinyon Flat; Thermal Quad. 975 Comment
  UC1929342  Juniperus californica Scott D. White, Angelia Carey 2004-7-2 10578 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  HSC99794  Justicia californica J. J. Wagoner 1965-4-13 33 Riverside E slope of San Jacinto along Palms to Pines Hwy., 2 mi. W of Palm Desert. 76 Comment
  JEPS9350  Justicia californica Mary Beal 1941-4-6 862 Riverside Box Canyon Colorado Desert, Mecca Hills, Coachella Valley, Box Canyon Comment
  LA202776  Justicia californica Martha Hilend; 1929-12-27 366 Riverside Shafer's Well Comment
  SBBG68771  Justicia californica L. G. Yates 1895-1 Riverside Palm Springs Comment
  SD46093  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  SEINET2163464 Image available Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, eagle Mountains 460 Comment
  JEPS13806  Kallstroemia grandiflora Marjorie D. Clary 1936-10-24 2736 Riverside Chuckawalla Valley near Desert Center; North Colorado Desert, Chuckawalla Valley 274 Comment
  RSA293254  Keckiella antirrhinoides D. C. Michener 1980-6-11 3669 Riverside Bautista Canyon. Lower Bautista Cyn road [5S14] ca 5.3 mi. southeast of jct to CA 74 near canyon mouth. 800 Comment
  RSA509539  Keckiella antirrhinoides Ed LaRue 1989-4-12 s.n. Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  NY786515  Keckiella antirrhinoides var. antirrhinoides L. M. Shultz 1980-4-16 4022 Riverside Side canyon of Whitewater Canyon, San Bernadino Mountains 609.6 Comment
  NY790227  Keckiella cordifolia F. M. Reed 1928-6-18 6024 Riverside [Mane?] Street Cañon - south of Corona 548.6 Comment
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May 1 2011
  UCD86077  Koeleria macrantha F. M. Reed 1906-6-16 1073 Riverside Vicinity of Riverside, City Creek Grate. 1463 Comment
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May 1 2011
  POM12138  Lamarckia aurea Mary F. Spencer 1921-5-28 s.n. Riverside Near San Jacinto 549 Comment
  RSA576085  Lamium amplexicaule Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau. T4S R5W SE/4 NW/4 sec. 33. 610 Comment
  SEINET8729313 Image available Langloisia flaviflora Helen K. Sharsmith 1952-1 4050 Riverside Western lobe of Pinto Basin, Joshua Tree National Monument, Riverside County. Altitude ca. 2000 feet. 610 Comment
  RSA480076  Langloisia setosissima subsp. setosissima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2165 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  CAS-BOT-BC170703  Larrea tridentata Mrs. E. C. Van Dyke 1928-1-1 s.n. Riverside Coachella Comment
  HSC100857  Larrea tridentata J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12775 Riverside 457 Comment
  RSA681035  Larrea tridentata Scott D. White, Michael Honer 2003-5-14 9269 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC1536903  Lasthenia coronaria G. H. True 1935-3-11 70 Riverside Sycamore Canyon Box springs 365 Comment
  UC1595795  Lasthenia coronaria W. Wisura, A. King, and L. Newcomb 1992-4-10 4670 Riverside w of Hwy 62 Mission Creek Ranch; Morongo Valley Comment
  UCR48374  Lasthenia coronaria Steve Boyd 1986-5-1 1821 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  POM13209  Lasthenia gracilis P. A. Munz, I. M. Johnston 1920-5-20 5452 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  RSA674545  Lathyrus laetiflorus Scott D. White 2000-5-3 7757 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  SD8723  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  UC194447  Lathyrus vestitus var. alefeldii H. M. Hall 1913-6-7 9435 Riverside Temecula Creek Comment
  POM361741  Layia Theodore Payne 1921-6-1 3437 Riverside Banning. Comment
  CAS-BOT-BC321148  Layia glandulosa Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colorado Desert. 304 Comment
  UC62896  Layia glandulosa H. M. Hall May 17 1901-Jun 1 1901 1816 Riverside San Jacinto River Canyon Comment
  CAS-BOT-BC379667  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15 Comment
  RSA741421  Layia platyglossa Justin M. Wood 2008-12-2 258 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  SEINET3893992  Layia platyglossa D. Atwood 1993-3-29 17729 Riverside Huntington Beach along Beach Blvd ca 1/2 miles N of the Beach.; 0 Comment
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Jul 20 2015
  RSA395899  Layia platyglossa subsp. campestris Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  POM1564  Lemna gibba I. M. Johnston 1918-5-30 2010 Riverside Lake Elsinore. 366 Comment
  POM319692  Lemna valdiviana Patricia Wilder 1970-10-30 4860 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  RSA429965  Lepidium Ora M. Clark 1929-3-17 s.n. Riverside N of La Quinta. Comment
  RSA563913  Lepidium dictyotum var. acutidens A. C. Sanders 1993-4-5 13683 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  SD224895  Lepidium dictyotum var. acutidens A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18056 Riverside San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets. 433 Comment
  UCR79366  Lepidium dictyotum var. dictyotum Steve Boyd, T. S. Ross 1992-4-1 6773 Riverside Peninsular Range, Temecal Canyon, terrace escarpments betwee Indian and Horsethief Washes along DePalma Road. 412 Comment
  RSA429902  Lepidium fremontii D. A. Young 1969-3-28 464 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  RSA796502  Lepidium fremontii J. Andre 2012-3-19 21394 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  RSA4969  Lepidium lasiocarpum C. B. Wolf 1932-4-27 3029 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA692207  Lepidium lasiocarpum Scott D. White, Michael Honer 2003-5-14 9282 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  RSA778243  Lepidium lasiocarpum Duncan S. Bell 2009-3-8 48 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  RSA796105  Lepidium lasiocarpum Duncan S. Bell 2009-4-20 315 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SD217251  Lepidium lasiocarpum Steve Boyd, Tim Ross and Orland Mistretta 1992-2-2 6640 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
  UCR127146  Lepidium latifolium A. C. Sanders, Guy Bruyea 2003-6-12 26888 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR240264  Lepidium latipes var. latipes D. E. Bramlet, Robt. L. Allen, Fred M. Roberts 2011-4-30 4826 Riverside Peninsular Range; Elsinore Trough, Nichols Road wetlands area, 253 m south of Nichols Rd. & 76 m east of Baker St. 384 Comment
  RSA282920  Lepidium virginicum var. pubescens C. W. Tilforth, B. Busenberg 1980-6-17 1998 Riverside Along Thomas Mtn Rd, above Lake Hemet, and west of Hwy 74. 1524 Comment
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Dec 28 2013
  UCR102208  Lepidium virginicum var. pubescens A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20691 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR106731  Lepidium virginicum var. robinsonii John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  LA31382  Lepidospartum squamatum Jane Turner; 1959-3-29 Riverside Morongo Wash Comment
  RSA697080  Lepidospartum squamatum Anonymous 1928-11-12 381 Riverside Aguanga. Comment
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Oct 23 2011
  UCR59846  Leptochloa filiformis George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  SDSU3131  Leptodactylon californicum Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  UC52849  Leptodactylon pungens H. M. Hall May 17 1901-Jun 1 1901 1895 Riverside Coyote Canyon El Toro Mt. (El Toro Mt.); , Coyote Canyon 1676 Comment
  RSA0095144  Leptosiphon floribundus subsp. glaber Scott D. White, Tasha La Doux 2000-4-20 7702 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  SEINET8483157 Image available Leptosyne californica W. V. Apton 1969-4-20 171 Riverside Rte 71, 15 mi S of Corona 229 Comment
  CDA8184  Lessingia filaginifolia var. filaginifolia G. C. Fleischman 1945-10-21 Riverside Banning. 0 Comment
  RSA334994  Leymus triticoides Steve Boyd 1985-7-23 1006 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  RSA544405  Leymus triticoides Steve Boyd, Timothy S. Ross 1991-6-14 6373 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SEINET251666 Image available Leymus triticoides A. C. Sanders, O. F. Clarke 1991-6-10 11138 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brooke between lake Evans (Fairmont Park) & the Santa Ana River ( Riverside West 7.5 Q.:) 238 Comment
  UC1147903  Lilaea scilloides Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37595 Riverside Rancho California; Santa Rosa Plateau 609 Comment
  POM8112  Lilium parryi Mary F. Spencer 1919-7-4 1235 Riverside San Jacinto Mt., [San Jacinto Mountains]. 1220 Comment
  SBBG93118  Linanthus dianthiflorus R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  POM158446  Linanthus dianthiflorus subsp. farinosus P. A. Munz 1927-5-21 10858 Riverside San Carlos Pass, east of Ansa. 1372 Comment
  JEPS58386  Linanthus dichotomus W. L. Jepson May 17 1901-Jun 1 1901 1463 a Riverside Van Deventer's Ranch Van Deventer Flat Comment
  UCR54447  Linanthus floribundus subsp. hallii A. C. Sanders, E. J. Lawlor 1988-10-22 8722 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  UCR214286  Linanthus jonesii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37487 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  SDSU3188  Linanthus lemmonii D. F. Howe 1969-5-15 4590 Riverside Near Dripping Springs Camp Grounds. 457 Comment
  UCSC000603  Linanthus liniflorus I. J. Condit 2010-6-24 s.n. Riverside Idyllwild, Road to [what was then called] Strawberry Valley - San Jacinto Mts. 914 Comment
  RSA715179  Linaria canadensis var. texana John Green 2006-4-25 s.n. Riverside Peninsular Ranges; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S. General Kearny Road and La Serena Way; E of Veterans park. 366 Comment
  RSA497946  Linum lewisii Albert J. Perkins 1916-9-15 s.n. Riverside Near summit of Taquitz Mt. Comment
  RSA740081  Linum lewisii Scott D. White, Justin M. Wood 2008-6-16 12146 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCSB3559  Linum lewisii Zellhoefer, Judi 1960-5-15 Riverside Highway 74, 25.2 miles SE of Idyllwild Comment
  SEINET3522941 Image available Lobularia maritima K. S. Gill 1965-3-14 Riverside On campus UCR. waste land near parking lot No. 19. Comment
  RSA596528  Lobularia maritima D. L. Banks 1996-7-16 1131 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road). 426 Comment
  SD8195  Loeflingia squarrosa Daniel Cleveland 1882-5-2 Riverside San Jacinto Plain. Comment
  RSA92724  Loeflingia squarrosa J. C. Roos 1952-5-14 5664 Riverside 2 mi. northwest of Perris. 503 Comment
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May 21 2011
  SD76205  Loeseliastrum schottii Helen V. Witham 1970-4-29 829 Riverside in open, Pines-to-Palms Hwy 1299 Comment
  RSA0121170  Logfia arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9180 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  SBBG63175  Logfia depressa M. N. Ackley 1928-3-25 223 Riverside between Indio and Palm Springs 60 Comment
  JEPS8393  Logfia filaginoides Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-2 3606 Riverside slopes at mouth of Andreas Canyon (an offshoot of Palm Canyon) (e base of mountain.); Mt. San Jacinto Comment
  UC55097  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside vicinity Riverside 365 Comment
  SDSU13931  Logfia gallica Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2096 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR54313  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR107685  Lomatium utriculatum G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, c. 1 mi. airline SW of Arnold Heights & c. 0.1 mi. south of Van Buren Rd. 213 Comment
  UCR126367  Lomatium utriculatum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 675 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  POM88181  Lonicera interrupta P. A. Munz, I. M. Johnston 1924-7-26 8710 Riverside South of Banning. 976 Comment
  SDSU13328  Lonicera subspicata var. denudata Ryan Jacobson, Jeremy Mass 2000-4-19 11 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  RSA792746  Lotus argophyllus Robert F. Thorne 1995-3-29 63032 Riverside White Water Canyon. 600 Comment
  UCR27091  Lotus argophyllus T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  SEINET2062202 Image available Lotus argophyllus var. argophyllus B. Pitzer 1986-5-24 242 Riverside Whitewater Canyon, ca. 5 miles N of Hwy I-10 on Whitewater Canyon Road, from N edge of hatchery to ca. 1/4 mile N of hatchery boundary, Whitewater 7.5' Quad. 731 Comment
  POM12089  Lotus crassifolius Mary F. Spencer 1921-6-27 1199 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA282923  Lotus grandiflorus var. grandiflorus C. W. Tilforth, B. Busenberg 1980-6-17 1996 Riverside Along Hiway 74, west of Mountain Center Comment
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Jun 10 2012
  RSA406139  Lotus grandiflorus var. grandiflorus N. C. Cooper 1944-5-21 1250 Riverside San Jacinto Mtns. West Side. 1220 Comment
  POM13456  Lotus grandiflorus var. mutabilis P. A. Munz 1922-5-19 5403 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  IRVC26259  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  UCR174444  Lotus hamatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32509 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
  UCR42357  Lotus hamatus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 188 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  JEPS55483  Lotus heermannii Marjorie Clary 1931-4-4 17 Riverside Devils Canyon, Coachella Valley Santa Rosa Mts. 152 Comment
  RSA406415  Lotus heermannii var. heermannii E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  POM12928  Lotus oblongifolius P. A. Munz 1922-6-27 5853 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  UCR21848  Lotus purshianus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR82615  Lotus purshianus A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14225 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  JOTR32440  Lotus rigidus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2307 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA659785  Lotus salsuginosus J. C. Roos, L. Roos 1952-5-19 5694 Riverside On hills north of Moreno. Comment
  RSA676090  Lotus salsuginosus var. salsuginosus Scott D. White 2001-4-13 8321 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR182501  Lotus scoparius subsp. brevialatus Andrea Salzman, Ricky Escobar, et al 2006-4-10 45 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  RSA6082  Lotus scoparius var. brevialatus C. B. Wolf 1932-5-25 3665 Riverside Snow Creek, No. Base San Jacinto Mountains. Just above the Fish Hatchery 671 Comment
  RSA715347  Lotus scoparius var. brevialatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32672 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  RSA586301  Lotus strigosus D. L. Banks, S. D. Boyd 1995-5-3 0212 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA757799  Lotus strigosus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4288 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR127355  Lotus strigosus A. C. Sanders, D. Malueg 2003-5-8 26571 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR225730  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-3-30 38897 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  POM172735  Lotus strigosus var. hirtellus M. French Gilman 1930-4-6 5 -a Riverside [Monsen] Canyon, Eagle Mts. Comment
  RSA49387  Lotus tomentellus P. A. Munz 1949-4-12 13025 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  RSA406281  Lotus unifoliolatus Christopher Davidson 1977-5-25 5664 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  POM13082  Luetkea pectinata Philip A. Munz 1921-06 s.n. Riverside Tacquitz Ridge 2439 Comment
  RSA414451  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  CHSC60281  Lupinus arizonicus J. Lund 1980-4-3 Riverside 200 feet south of the entrance to Joshua Tree National Monument. 944 Comment
  CLARK-A1528-491  Lupinus arizonicus Susan Larisch 1963-3-23 60 Riverside Mecca Comment
  POM46811  Lupinus arizonicus Mary F. Spencer 1920-3-17 1497 Riverside Whitewater. Comment
  RSA701222  Lupinus arizonicus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11279 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
  SEINET2062825  Lupinus arizonicus B. Pitzer 1998-1-24 3399 Riverside N foot of Chuckwalla Mts. Eagle Mt. Rd., Si side of Hwy I-10, 0.8 mi S of Hwy at powerline rd & wash directly S of rd. 499 Comment
  UC194822  Lupinus arizonicus S. B. Parish May 13, 1916-May 18, 1916 10851 Riverside Cottonwood Springs; Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  UCR20761  Lupinus arizonicus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1293 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
  SEINET6180880  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6423 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe.; 0 290 Comment
  SEINET10490537  Lupinus arizonicus subsp. arizonicus David B. Dunn 1946-2-22 Dunn 1965 Riverside In mud flats dry, caked and split. All american canal catch basin from desert Washes. Oracopia mountains ne of the saltan sea. Very arid country Comment
  RSA763417  Lupinus bicolor Scott D. White, Justin M. Wood 2009-5-21 12880 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UC668423  Lupinus bicolor Annie M. Alexander and Louise Kellogg 1941-4-24 2079 Riverside gorge Dry Morongo Creek (Morongo Valley); , gorge of Dry Morongo Creek 640 Comment
  UCR232788  Lupinus bicolor John F. Green 2008-4-16 0408- 31 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  RSA607356  Lupinus concinnus subsp. concinnus R. S. Woglum 1941-5-17 3043 Riverside Peninsular Ranges/Sonoran Desert transition: Alder Canyon off Coyote Canyon. Comment
  RSA282789  Lupinus concinnus subsp. optatus C. W. Tilforth, B. Busenberg 1980-4-10 1985 Riverside Along north leg of Thomas Mtn. Rd, south of Lake Hmet, Hwy 74. Comment
  HSC85266  Lupinus densiflorus var. austrocollium Steve Boyd 1986-4-22 1763 Riverside W side of Indian Wash, S of I-15 Comment
  POM2486  Lupinus densiflorus var. lacteus Philip A. Munz 1918-4-27 2126 Riverside Elsinore Comment
  RSA087025  Lupinus densiflorus var. lacteus F. W. Peirson 1914-04 705 Riverside Whitewater at head of Coachella Valley. Comment
  CLARK-A1528-496  Lupinus excubitus C. M. Flanagan 1973-5-20 OO 518 Riverside Banning 1188 Comment
  SEINET10484016  Lupinus excubitus subsp. austromontanus August J. Breitung 1953-6-13 Breitung 15559 Riverside Hemet reservoir, san bernardino nat'l forest. Comment
  RSA89545  Lupinus excubitus var. austromontanus E. K. Balls, Percy C. Everett 1953-7-1 18345 Riverside 1.5 miles West and North of Idyllwild on road to Banning. 1616 Comment
  CAS-BOT-BC216702  Lupinus excubitus var. excubitus H. E. McMinn 1925-7-2 1501 Riverside Tahquitz Trail, Mount San Jacinto Range Comment
  UC1178516  Lupinus formosus Peter Kamb 1948-7-3 1149 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  RSA413697  Lupinus hirsutissimus E. Crow 1929-2-24 178 Riverside Near Cabazon, NW Colorado Desert Comment
  UC130314 Image available Lupinus hyacinthinus H. M. Hall 1897-7-22 712 Riverside San Jacinto Mts.; ; Riverside, San Jacinto Mts. 3261 Comment
  SEINET238339  Lupinus latifolius Mitch Provance 2000-5-5 2011 Riverside Riverside: Box Spring Mtns. canyon ca. 0.5 mi. NE of peak 2553 and ca. 0.5 mi. SW of the old landfill off Pigeon Pass 427 Comment
  RSA413773  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR125289  Lupinus microcarpus A. C. Sanders 2002-11-21 25642 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR228258  Lupinus microcarpus A. C. Sanders, T. B. Salvato 2011-4-1 38927 Riverside Peninsular Range, Lake Elsinore, near intersection of Pierce St., Baker St., and Nichols Rd., flats at south side of Alberhill Mtn. 389 Comment
  SEINET7042763 Image available Lupinus nanus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside South end of Buck Road, Notheast of Long Valley, south southeast of Winchester. Comment
  SD247649  Lupinus sparsiflorus J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  UC194832  Lupinus sparsiflorus S. B. Parish 1906-5-13 10851 Riverside Cottonwood Springs; Colorado Desert Comment
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Oct 9 2010
  UCR199622  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  RSA0028835  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55500 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA339345  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54103 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA607589  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1938-5-1 1618 a Riverside Peninsular Ranges: San Jacento Valley; Hemet. Comment
  RSA500220  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3523 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR166173  Lupinus truncatus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR173148  Lupinus truncatus Abby Sirulnik 2000-4-25 20 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UC2980  Luzula comosa var. laxa H. M. Hall July, 1901 Riverside San Jacinto Mountains. Fuller's Mills Mountains 2286 Comment
  CAS-BOT-BC231422  Lycium andersonii I. M. Johnston 1918-5-30 2028 Riverside Elsinore 365 Comment
  UCR139389  Lycium andersonii P. A. Munz 1949-4-11 12999 Riverside Mojave Desert, eastern end of Joshua Tree National Monument 945 Comment
  POM13716  Lycium andersonii var. deserticola Philip A. Munz 1922-4-29 5115 Riverside Aguanga. 610 Comment
  CAS-BOT-BC231479  Lycium brevipes var. brevipes E. A. McGregor 1917-3-19 2050 Riverside Colorado Desert. Fig Tree John's west shore of Salton Sea Comment
  POM160109  Lycium cooperi E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
  SBBG70678  Lycium fremontii M. N. Ackley 1928-3-31 981 Riverside Hidden Springs 304 Comment
  CLARK-A1528-2001  Machaeranthera cognata John C. Roos 1947-1-2 3226 Riverside Painted Canyon Comment
  UCR89591  Machaeranthera tortifolia Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  UC219591  Madia gracilis P. A. Munz 1922-6-23 5768 Riverside Keen Camp San Jacinto Mts., Keen Camp 1524 Comment
  RSA523537  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3997 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0008554  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA358581  Mahonia repens Larry E. DeBuhr 1972-3-23 513 Riverside 6000 ft, along forest road 7S02 Comment
  UC284860  Malacothamnus densiflorus P. A. Munz 1923-6-14 7099 Riverside trail to Santiago Peak Glen Ivy; Santa Ana Mtns 914 Comment
  UCR250109  Malacothamnus densiflorus A. C. Sanders 2014-4-9 41006 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  CAS-BOT-BC206261  Malacothamnus fasciculatus Elmer I. Applegate 1893-4-23 55 Riverside East Riverside hills. Comment
  CAS-BOT-BC206265  Malacothamnus fasciculatus Louis C. Wheeler 1931-10-4 218 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 853 Comment
  RSA0087581  Malacothamnus fasciculatus P. A. Munz 1946-10-19 11570 Riverside 3 miles east of Anza 1220 Comment
  RSA0087582  Malacothamnus fasciculatus Edmund C. Jaeger 1949-7-25 s.n. Riverside North side Santa Rosa Mountain. 1646 Comment
  OBI5742  Malacothamnus fasciculatus subsp. fasciculatus Charlotte M. Wilder June1904 35 Riverside Wilder's Canon Jurupa hills Comment
  POM362266  Malacothrix clevelandii Anstruther Davidson 1892-05 s.n. Riverside Banning Comment
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Mar 13 2011
  HSC99166  Malacothrix glabrata Paul J. CaraDonna 2009-3-15 121 Riverside Cholla Gardens, Joshua Tree National Park Comment
  OBI49706  Malacothrix glabrata David Charlton 1988-2-18 1186 Riverside S side of Little San Bernardino Mts. Fargo Cyn Rd to Cottonwood Wash, S of Joshua Tree Natl Park, prallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 762 Comment
  RSA716262  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SEINET242055  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert: Coachella Vly, Garnet, along transmission line route E of Garnet Wash 232 Comment
  UC1478690  Malacothrix glabrata Barry Prigge with L. Martinez 1978-3-23 2413 Riverside 1.2 mi e Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 Comment
  UCR116621  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert, Coachella Valley, Garnet, along transmission line route east of Garnet Wash 232 Comment
  SD129607  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek. 700 Comment
  UCD39259  Malosma laurina Beecher Crampton 1963-5-7 6786 Riverside Western, 2 miles west of El Cariso Guard Station, Santa Ana Mountains, Cleveland National Forest. 701 Comment
  OBI12339  Malva parviflora Tracey & Viola Call, Viola Call 1962-4-8 2120 Riverside Rancho Rd, Corona 213 Comment
  RSA0105864  Malva parviflora Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  UCR272499  Malvella leprosa Mitch Provance 2013-6-16 613- 23 B Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  POM147636  Marina parryi F. M. Reed 1927-3-20 5427 Riverside Salt Creek Wash. Comment
  RSA498353  Marina parryi Robert L. Dressler 1949-3-19 411 Riverside Box Canyon, Orocopia Mts. Comment
  SBBG3315  Marina parryi H. and M. Dearing 1938-5-6 1973 Riverside Box Cyn near Mecca Comment
  SD187430  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR181958  Marsilea vestita Mitch Provance 2005-5-17 6587 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  CAS-BOT-BC348066  Matricaria discoidea A. C. Sanders; T. B. Salvato 2011-3-28 38810 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
  UCR140306  Matricaria matricarioides A. C. Sanders 2004-4-9 27475 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
  UCR116900  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  CSUSB1103  Medicago polymorpha D. Gordon 1952-3-25 Riverside C.E.S. 396 Comment
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Nov 20 2011
  POM146215  Melica frutescens F. M. Reed 1926-5-16 5338 Riverside South of Menifee Comment
  RSA543166  Melica frutescens Steve Boyd, Timothy S. Ross, M. Hammitt 1991-5-2 6096 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR92676  Melica frutescens Scott D. White 1994-5-4 2012 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  POM8821  Melica imperfecta I. M. Johnston 1920-5-8 2276 Riverside Butte due west of Lakeview Comment
  SBBG92140  Melica imperfecta E. LaRue 1989-6-11 Riverside W side of Lakeview Mtns, ca. 1 mi SE of Nuevo 640 Comment
  SD129182  Melica imperfecta Ed LaRue 1989-6-11 Riverside W side of Laskeview Mountains, ca. 1 mi. SE of town of Nuevo. 640 Comment
  SD70932  Melilotus albus Helen V. Witham 1969-7-2 179 Riverside DeLuz Creek Crossing, 4 miles north of DeLuz 249 Comment
  UCR93148  Melilotus indicus G. P. Schultz 1994-4-8 59 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  RSA709854  Mentzelia Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4637 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry). 170 Comment
  RSA763172  Mentzelia dispersa Scott D. White, Justin M. Wood 2009-5-22 12899 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  CLARK-A1528-606  Mentzelia involucrata Shirley Hill 1963-3-23 630323-3 Riverside Box Canyon Comment
  GMDRC7793  Mentzelia involucrata J. M. Andre 2015-3-6 33559 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 561 Comment
  SD225012  Mentzelia involucrata G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2672 Riverside Little San Bernardino Mtns, 3.2 mi N of jct of Thousand Palms Canyon Rd & Dillon Rd. 456 Comment
  UCSB4226  Mentzelia involucrata Haller, John 1960-4-2 Riverside 1.3 miles south of the junction of US 60-70 and the south entrance road to Joshua Tree Natl. Mon. 487 Comment
  RSA341994  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54057 Riverside Along Whitewater River, E of bridge and levee. Comment
  SD3161  Mentzelia laevicaulis Frank Stephens Jun 1920 Riverside 3.0 miles east of Morena. Comment
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Nov 19 2011
  UC162622  Mentzelia micrantha H. M. Hall 1899-6-1 1219 Riverside Temecula Creek Comment
  SBBG4859  Mentzelia veatchiana C. H. Muller 1952-4-6 9500 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree National Monument Comment
  CAS-BOT-BC435296  Mesembryanthemum nodiflorum A. C. Sanders; Guy Bruyea 2003-6-12 26889 Riverside Perris-Aguanga Basin Region: Winchester, SW edge of town between Simpson Ave. and Olive Ave., ca. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  RSA689389  Mesembryanthemum nodiflorum Scott D. White 2003-6-9 9526 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR75555  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR75549  Microseris douglasii subsp. douglasii A. C. Sanders 1993-5-12 14018 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  RSA660566  Microseris heterocarpa Starr Streight 1982-4-17 21 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR97278B  Microseris heterocarpa Scott D. White 1993-3-12 1171 B Riverside Near Winchester 466 Comment
  UCR171987  Microseris lindleyi John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  RSA271860  Mimulus aurantiacus var. pubescens C. W. Tilforth 1978-4-30 1566 Riverside Low rounded hills east of Norco. Comment
  UCR1657  Mimulus aurantiacus var. pubescens Leland R. Dykes 1962-5-1 61 Riverside Santa Ana Mtns, San Mateo Canyon Road, c. 10.5 mi west of Palomar Road, Murrieta Comment
  JEPS34541  Mimulus aurantiacus var. puniceus Freed W. Hoffman 1950-4-24 3573 Riverside where Winchester road turns off from Highway #74; Rock Brook Ranch Comment
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Mar 20 2011
  UC64228  Mimulus aurantiacus var. puniceus H. M. Hall 1897-2-27 369 Riverside Winchester Comment
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Mar 20 2011
  UCR138154  Mimulus aurantiacus var. puniceus D. L. Banks 1997-2-23 1305 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
  UCR139614  Mimulus aurantiacus var. puniceus A. C. Sanders 2004-7-1 28383 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  UCR174330  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32565 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA784741  Mimulus bigelovii Duncan S. Bell 2012-2-12 3086 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA480032  Mimulus bigelovii var. bigelovii Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2162 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UC886099  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside 5 mi e Desert Center (n base of mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  HSC86250  Mimulus brevipes Jane Hildreth 1981-6-4 28 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  RSA522089  Mimulus brevipes Steve Boyd, Tim S. Ross, Kyle Boyd 1989-6-24 3755 Riverside Vail Lake area, along road in shallow cyn on SE flank of 'Little' Oak Mtn., W of Kolb Creek drainage, N of Hwy 79. Comment
  CAS-BOT-BC9461  Mimulus diffusus Alice Eastwood; John Thomas Howell 1937-4-24 3913 Riverside Summit of Santa Ana Mts. above Elsinore Comment
  UCR151064  Mimulus floribundus Scott D. White 1998-6-17 6745 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  UCR156286  Mimulus floribundus T. B. Salvato, Kent Beaman 2005-5-16 838 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
  UCR193862  Mimulus floribundus A. C. Sanders, Mitch Provance 2008-7-11 35768 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
  CLARK-A1045-280  Mimulus fremontii George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains along road (North Fork of the San Jacinto River); moist, gravelly slope; chaparral; ; Lake Fulmor 7.5'Q 1828 Comment
  RSA408105  Mimulus fremontii R. S. Woglum 1937-5-22 534 Riverside Anza, Cahuilla Valley. Comment
  RSA652819  Mimulus fremontii Colleen Callan 1992-5-2 14 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  JEPS86974  Mimulus fremontii var. fremontii David M. Thompson 1988-4-8 869 Riverside 0.4 mi s Indian Valley Truck Trail interchange (I-15) (along frontage road on ne side of interstate, near summit of s bank of creek); Indian Creek 350 Comment
  HSC79248  Mimulus guttatus G. K. Helmkamp 1984-5-2 - 31 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  RSA0030781  Mimulus moschatus var. longiflorus Mary F. Spencer 1921-7-1 1288 Riverside Idyllwild 1585 Comment
  UC64195  Mimulus palmeri H. M. Hall May 1899 1281 Riverside s side San Jacinto Mountains 1524 Comment
  CLARK-A1528-4263  Mimulus pilosus E. W. Lathrop 1966-5-25 6336 Riverside La Laguna Comment
  UC26914 Image available Mimulus pilosus J. W. Toumey 1899-9-27 Riverside Banning Comment
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Mar 13 2011
  UCSC000878  Mimulus pilosus Peter Kamb 1948-7-4 1174 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  UC489211  Mimulus primuloides C. V. Meyer 1928-7-31 602 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  RSA500994  Minuartia douglasii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3113 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  JOTR16748  Mirabilis bigelovii var. bigelovii Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  RSA777343  Mirabilis bigelovii var. bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4710 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65129 604 Comment
  RSA652389  Mirabilis bigelovii var. retrorsa David B. Dunn, H. Lint 1955-4-1 11817 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  UCR108407  Mirabilis californica D. L. Banks, V. W. Steinmann 1997-3-13 1461 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR133328  Mirabilis laevis 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
  UCR207524  Mirabilis laevis O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UC851737  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi below Cottonwood Springs, Joshua Tree National Monument Comment
  UC851827  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood springs Comment
  RSA464622  Mirabilis multiflora var. pubescens N. C. Cooper 1944-5-20 1267 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  UCR130711  Mirabilis multiflora var. pubescens George K. Helmkamp, E. A. Helmkamp 1998-6-27 4077 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  SEINET7248272  Mirabilis tenuiloba Duncan S. Bell, LeRoy Gross 2014-1 6191 Riverside Colorado Desert; Western Colorado Desert region: Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  UCR12145  Mirabilis tenuiloba Art Whistler 1966-4-24 s.n. Riverside Western Colorado Desert, Deep Canyon Comment
  UCR102915  Mohavea confertiflora George K. Helmkamp, E. A. Helmkamp 1998-2-5 2659 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCSB6103  Mohavea confertiflora Bobkowski, Vincent 1960-4-2 Riverside Cottonwood Spring entrance to Joshua Tree National Monument; off of U.S. 60-70; 1/2 mile north of intersection Comment
  SBBG72006  Monardella australis R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns Comment
  UC1995359  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside trail to Round Valley; San Jacinto Mts. Comment
  SBBG71951  Monardella lanceolata S. W. Hutchinson -Sep-1927 464 Riverside Idyllwild 1630 Comment
  RSA667  Monardella macrantha subsp. hallii J. T. Howell 1927-8-2 573 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UC63743  Monardella macrantha subsp. hallii H. M. Hall 1897-6-19 669 Riverside San Jacinto River San Jacinto Mountains 1341 Comment
  LA96095  Monardella nana Elizabeth McClintock; 1941-7-10 91 Riverside San Jacinto Mountains, short distance from top of Suicide Rock Comment
  POM11507  Monardella nana P. A. Munz 1922-7-6 s.n. Riverside Between Tahquitz and Round Valley. 2287 Comment
  UC1499896  Monardella nana Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 1/2 miles above Pines to Palms Highway Comment
  LA57197  Monardella nana Carl Epling; K. Simmons 1939-6-12 s.n. Riverside Santa Rosa Mts Comment
  SEINET10582423  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 61 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  SEINET10895150  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 55 Riverside San Bernadino National Forest, Santa Rosa Mtn. 6.1 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside (heading back towards Hwy. 74). T7S,R5E,S18. 1 small clump under a rock; otherwise exposed. Quercus chrysolepis on top of bank. End of bloom. Comment
  POM21133  Monardella nana subsp. tenuiflora Fordyce Grinnell Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  UC219321  Monardella nana subsp. tenuiflora P. A. Munz 1922-6-26 5833 Riverside Santa Rosa Santa Rosa Mts. 1737 Comment
  UCR125896  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24614 Riverside Mojave Desert, Little San Bernardino Mtns, Jumbo Rocks Campground, Joshua Tree National Park 1341 Comment
  LA62510  Monardella viminea Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 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-BC349793  Monoptilon bellioides Carl B. Wolf 1932-4-27 3006 Riverside Colorado Desert. 17 mi. E. of Mecca, on Blythe Road 152 Comment
  UCR196304  Monoptilon bellioides R. F. Thorne, M. Z. Thorne 1973-3-30 42677 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR30075  Monoptilon bellioides George K. Helmkamp 1983-4-5 483- 22 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCSB10245  Monoptilon bellioides Phillips, Priscilla 1958-3-22 Riverside South entrance to Joshua Tree Monument Comment
  CAS-BOT-BC444629  Montia chamissoi H. M. Hall 1901-7-1 2362 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2743 Comment
  CLARK-A1528-1279  Muhlenbergia asperifolia John C. Roos 1946-9-14 3002 Riverside San Jacinto Mountains 1066 Comment
  UCR225155  Muhlenbergia filiformis Steve Boyd, Gary Wallace 2005-7-30 11655 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  CAS-BOT-BC275252  Muhlenbergia microsperma A. C. Sanders 2002-11-21 25630 Riverside Temescal Valley: development called Trilogy at Glen Ivy between Bixby and Brown Canyons, drainage W12 457 Comment
  RSA192079  Muhlenbergia rigens E. W. Lathrop 1966-5-25 6333 Riverside 5 miles NW of Murrieta. Comment
  RSA367333  Muilla maritima Gale Sphon 1955-5-21 s.n. Riverside 6 miles south of Banning. Comment
  UCR144134  Muilla maritima Scott D. White, Tasha LaDoux 2000-4-20 7714 Riverside Perris-Aguanga Basin, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  UCR84604  Muilla maritima Scott D. White 1994-4-21 1953 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SD138817  Myosurus minimus var. apus Craig Reiser Unknown Riverside Hemet; southwestern corner of Florida & Warren Comment
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Mar 24 2011
  RSA615063  Najas marina A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. D. Stewart, Colin L. Sanders 1994-12-4 15884 Riverside Colorado Desert, Salton Sink: Dos Palmas oasis area. -37 Comment
  SD144138  Najas marina A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15884 Riverside Colorado Desert, Salton Sink, Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas); Durmid 7.5' quad. Submerged aquatic in one pond. -36 Comment
  HSC49188  Nama demissa D. L. Goforth 1979-4-11 115 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  UC1595753  Nama demissa W. Wisura, J. Dolan, M. Wall 1992-3-24 4632 Riverside on Box Canyon Rd 13.1 mi ne Mecca (Lowdesert); ne of Mecca Comment
  RSA771679  Nama demissa var. demissa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4986 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  RSA74719  Nama hispida var. revoluta E. C. Jaeger 1922-4-9 5458 Riverside Wiley s Well, 20 miles SW of Blythe. Comment
  RSA27045  Nama hispida var. spathulata C. L. Hitchcock 1940-4-4 5950 Riverside Pinto Basin. Comment
  RSA766605  Nama hispida var. spathulata Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 163 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  POM14408  Nassella lepida P. A. Munz 1922-4-28 5028 Riverside 5 miles north of Glen Ivy Comment
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Apr 3 2011
  RSA179506  Nassella lepida E. W. Lathrop 1964-5-10 5376 Riverside 10 miles west of Murrieta. 610 Comment
  RSA386942  Nassella pulchra K. Tomlinson, D. Kama, Robert F. Thorne 1985-3-27 890 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA500572  Nasturtium officinale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3563 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA263802  Navarretia fossalis George E. Johnston, E. W. Lathrop 1975-6-13 4 Riverside Mesa de Burro, 3 mi west of Murietta. Santa Rosa Plateau. 609 Comment
  RSA550479  Navarretia fossalis D. E. Bramlet 1992-5-8 2273 Riverside The site is south and west of the San Jacinto Wildlife Area, approximatly 1.2km north of Lakeview. It is located 700m. west of Davius Road, 61m north of Marvin Road. and 30m east of the San Jacinto River levee. 433 Comment
  LA204531  Nemacladus gracilis Harlan Lewis; Carl Epling 1941-5-2 Riverside Joshua Tree National Monument, Pinto Basin Comment
  RSA789233  Nemacladus longiflorus var. longiflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  RSA0126423  Nemacladus longiflorus var. longiflorus F. W. Peirson 1922-4-28 2920 Riverside Temescal Canyon. 335 Comment
  RSA775292  Nemacladus orientalis Duncan S. Bell 2011-3-20 2065 Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  RSA692242  Nemacladus ramosissimus Scott D. White, Michael Honer 2003-5-27 9407 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR181098  Nemacladus ramosissimus A. C. Sanders 1998-6-10 21980 Riverside San Jacinto Mtns., FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi. east of Keen Camp Summit, c. 1 mile due south of Lake Hemet 1463 Comment
  UCR281472  Nemacladus ramosissimus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 98 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  SEINET10461026  Nemacladus ramosissimus Boyd 1986-4-22 BOYD 1770 Riverside Temescal Canyon: terrace escarpment east side of Indian Wash, south of I-15 Comment
  POM67785  Nemacladus rubescens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET2081620  Nemacladus rubescens R. Haberle 1997-5-21 86 Riverside Joshua Tree National Monument. Cottonwood Spring Wash just above oasis, ca. .10 mi. Comment
  SEINET3417802  Nemacladus rubescens Andrew C. Sanders, M. Skinner 1995-4-6 16396 Riverside Sonoran (Colorado) Desert; NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  CAS-BOT-BC416316  Nemacladus tenuis var. tenuis A. C. Sanders; K. C. Rose 1995-4-27 16731 Riverside Sonoran (Colorado) Desert: Coachella Valley, foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 548 Comment
  RSA291601  Nemophila menziesii C. W. Tilforth, Walter Wisura 1979-4-11 1792 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  SD7444  Nemophila menziesii Daniel Cleveland 1882-4-24 Riverside Temecula Comment
  RSA33902  Nemophila menziesii var. integrifolia N. C. Cooper 1945-5-24 1632 Riverside Big Oaks Canyon, San Gorgonio Mountains, Banning. 1220 Comment
  SD247515  Nicotiana attenuata A. C. Sanders, T. B. Salvato 2014-7-2 41178 Riverside Peninsular Range; San Jacinto Mountains: Fobes Canyon, c 1/2 mile south of Fobes Ranch along Fobes Ranch Road. (Palm View Peak 7.5'Q) 1555 Comment
  POM98160  Nicotiana bigelovii var. wallacei Philip A. Munz 1925-5-20 9852 Riverside 2 mi. east of Aguanga. Comment
  UCR166191  Nicotiana clevelandii Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  UCR174248B  Nicotiana glauca A. C. Sanders, T. B. Salvato 2006-6-2 33067 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA426710  Nicotiana obtusifolia Robert Gustafson 1981-4-7 2153 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA776353  Nicotiana obtusifolia Duncan S. Bell, Amanda Turek 2010-4-10 801 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA0018755  Nicotiana obtusifolia Kraemer 1929-3-17 s.n. Riverside S. La Quinta. Comment
  RSA232255  Nolina parryi James Henrickson 1971-5-29 5575 Riverside 10 miles SW of Twentynine Palms, 1 mile N of Salton View. 1280 Comment
  RSA78248  Nolina parryi Philip A. Munz, E. K. Balls 1952-8-21 17961 Riverside Hamilton Creek, SE part of San Jacinto Mountains. 1372 Comment
  CLARK-A1528-35  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  CLARK-A1528-3541  Notholaena newberryi John C. Roos 1936-11-21 Riverside La Sierra Comment
  UCR142762  Notholaena parryi L. C. Wheeler 1933-12-2 2305 Riverside San Jacinto Mountains/ Sonoran (Colorado) Desert, mouth Tahquitz Canyon near Palm Springs 145 Comment
  CAS-BOT-BC171496  Oenothera californica C. W. Tilforth 1976-5-22 1208 Riverside Common in vineyards and along Milliken Ave. in n.w. Riverside county. Comment
  UCD106786  Oenothera californica R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  RSA649936  Oenothera claviformis L. Fountain 1966-2-23 18 Riverside Colorado Desert [along Highway] 60, 1 mile south of Garnet. Comment
  UC162559  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5768 Riverside Bradley Canyon Colorado Desert 91 Comment
  UC20555  Oenothera deltoides subsp. deltoides S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  RSA718760  Oenothera deltoides subsp. deltoides Michael Honer, L. Hulse 2004-4-14 1945 Riverside Rice Valley; appx. 2 mi. SE of Rice. 240 Comment
  RSA737120  Oenothera elata subsp. hirsutissima Justin M. Wood 2008-10-15 186 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR211716  Oenothera laciniata Fred M. Roberts 2005-5-19 6262 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  CDA38177  Oenothera pallida T. C. Fuller 1958-9-23 2196 Riverside 3 miles east of Anza. 0 Comment
  SEINET7909440  Oenothera speciosa P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  SEINET7259361 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 5323 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  UCR17455  Oligomeris linifolia Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, Chuckwalla Bench. 457 Comment
  SD229121  Opuntia phaeacantha Dick Schwenkmeyer 2012-3-26 685 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA9815  Opuntia polyacantha var. erinacea B. D. Stark 1931-8-28 2447 Riverside San Jacinto Mountains. 3 miles N of forks in road to Santa Rosa and Aguanga. 1524 Comment
  NY9652  Orcuttia californica P. A. Munz 1922-5-19 5375 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC455794  Oreostemma alpigenum var. andersonii I. J. Condit 1910-6-22 Riverside Tahquitz Valley San Jacinto Mts. 2438 Comment
  RSA0072123  Orobanche bulbosa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7308 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along Tenaja Road (7S01), 1.3 miles south of junction with Los Alamos Road (7S04). 426 Comment
  JEPS85952  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4530 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  CAS-BOT-BC502861  Orobanche cooperi subsp. cooperi Alice Eastwood 1913-4-30 3108 Riverside Palm Canyon Road, Palm Springs (label is printed San Bernardino County Comment
  CAS-BOT-BC502865  Orobanche cooperi subsp. cooperi Aven Nelson; Ruth Nelson 1939-3-28 3301 Riverside East of N end of Salton Sea, near Mecca Comment
  UCR58949  Orobanche fasciculata Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  RSA493826  Orthocarpus purpurascens Maureen Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 732 Comment
  UC1608240  Osmadenia tenella Steve Boyd, Tim Ross 1992-5-4 7182 Riverside e of Verdugo Potrero; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar Comment
  SD138457  Osmorhiza brachypoda Darin L. Banks, Steve Boyd 1995-3-30 113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, west of Dripping Springs, east of Woodchuck Trail 719 Comment
  UC1929717  Oxalis californica Scott D. White 2003-3-21 8825 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
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May 28 2018
  SD136804  Oxalis corniculata Steve Boyd, Tim Ross 1992-5-5 7258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wildeerness Area. Oak Flats along Serrano Spsring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 730 Comment
  SD137699  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mtn. Area. 701 Comment
  RSA784948  Palafoxia arida Duncan S. Bell 2012-2-12 3126 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG8642  Palafoxia arida H. and M. Dearing 1936-12-25 1889 Riverside Long Cyn, Colorado Desert Comment
  SEINET10799054  Palafoxia arida David B. Dunn 1948-2-21 Dunn 3674 Riverside Seedlings; Pushawalla; a rain about two weeks earlier in wash. Hills are still quite dry. Comment
  POM363740  Palafoxia arida var. arida B. C. Templeton 1931-4-9 s.n. Riverside North of Palm Springs Comment
  POM363743  Palafoxia arida var. arida M. B. Dunkle 1935-3-17 4401 Riverside Desert Center. 610 Comment
  UCR33541  Palafoxia arida var. arida Sears 1977-10-10 S 514 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  SD193036  Panicum acuminatum var. acuminatum Scott D. White, Justin Wood 2007-4-16 11653 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 334 Comment
  CHSC109691  Panicum capillare Justin M. Wood 2008-7-9 130 Riverside SW Perris Basin: Temecula-Murrieta Creek, downstream of 1st street bridge. 299 Comment
  SEINET3365549  Panicum hirticaule subsp. hirticaule G. Rink 2011-9-25 11073 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  UCR265196  Panicum urvilleanum David Fraker, Aaron C. Sedgwick 2012-5-8 93 Riverside Sonoran (Colorado) Desert, south of Hwy 111 along dunes at base of the San Jacinto Mtns. 375 Comment
  HSC85252  Papaver californicum Steve Boyd 1986-4-22 1735 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA768243  Parietaria hespera Justin M. Wood 2010-5-19 1840 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  RSA0107430  Parkinsonia florida Duncan S. Bell 2009-8-15 422 Riverside West side of the Arica Mountains. 323 Comment
  RSA0112102  Parkinsonia florida Duncan S. Bell 2009-10-9 485 Riverside Northwest of the Arica Mountains. 281 Comment
  UCR92095  Paspalum distichum Scott D. White, S. Ogg 1994-10-17 2486 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  CDA8446  Pectis papposa G. D. Barbe, J. L. Johnson 1982-11-2 4021 Riverside 0.6 mile west of Coon Hollow campground on Bradshaw Trail. 0 Comment
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Apr 11 2013
  SBBG19829  Pectis papposa E. R. Blakley 1963-9-18 6182 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  RSA0123297  Pectocarya heterocarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8982 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
  UC494839  Pectocarya heterocarpa Philip A. Munz 1932-3-14 11993 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  UCR89710  Pectocarya heterocarpa J. M. Stewart 1991-4-7 777 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  RSA736032  Pectocarya linearis Scott D. White, Jamie Minor 2008-3-13 11767 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR127338  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25838 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA0028398  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4978 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
  SDSU18953  Pectocarya linearis subsp. ferocula C. Matt Guilliams, Jeannine Ross 2008-3-12 535 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 436 Comment
  UCD120131  Pectocarya linearis subsp. ferocula A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23891 Riverside Perris-Aguanga Basin region Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct. 381 Comment
  UCSB15047  Pectocarya linearis subsp. ferocula Breedlove, Dennis 1962-3-11 Riverside On hillside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  POM368787  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet. 770 Comment
  UCR107407  Pectocarya penicillata B. G. Pitzer 1997-3-23 3001 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
  RSA709972  Pectocarya platycarpa Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4590 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA778240  Pectocarya platycarpa Duncan S. Bell 2009-3-8 45 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR249830  Pectocarya platycarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7313 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA776273  Pectocarya recurvata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-29 894 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 838 Comment
  UCD120134  Pectocarya recurvata Geoffrey Levin 1976-3-27 688 Riverside Chino Canyon, west of Palm Springs, alluvial fan of the San Jacinto Mountains. 396 Comment
  UCR116625  Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  POM281157  Pedicularis densiflora Ethel Rush 1951-4-12 170 Riverside 1 mi. south of Aguaga, Hyway 79. Agua Tibia Mts. Loam soil. Lake Henshaw drainage, loam soil. west slope. Comment
  POM262931  Pediomelum californicum Unspecified 1941-5-10 125 Riverside Pinon flats Camp, Santa Rosa Mts. 1220 Comment
  UCR101469  Pellaea andromedifolia A. C. Sanders 1997-3-19 20025 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  UCR265835  Pellaea andromedifolia Mitch Provance 2012-5-24 512- 18 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
  RSA33509  Pellaea andromedifolia var. andromedifolia Norman C. Cooper 1944-5-7 1197 Riverside Banning 701 Comment
  UCR12629  Pellaea mucronata I. G. Rauch 1968-4-25 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd near Murrieta 549 Comment
  POM145482  Pellaea mucronata var. mucronata Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  POM855  Pellaea mucronata var. mucronata O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  CAS-BOT-BC258813  Pennisetum setaceum A. C. Sanders; P. MacKay 1994-10-23 15848 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell 581 Comment
  RSA785456  Pennisetum villosum T. B. Salvato 2000-8-22 20 Riverside Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  RSA0086590  Penstemon antirrhinoides Bonnie C. Templeton 1930-4-15 1100 Riverside Perris - Gavilan Peak. 607 Comment
  RSA285582  Penstemon californicus D. C. Michener, Walter Wisura 1982-6-8 4052 Riverside San Jacinto Mts. Slopes on northeast side of Garner Valley immediatly adjacent to valley floor just northwest of jct. of Morris Ranch Road and Ca. 74. Comment
  UCR20115  Penstemon californicus T. P. Krantz 1978-1 s.n. Riverside San Jacinto Mtns., Garner Valley 1372 Comment
  NY583823  Penstemon centranthifolius R. M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain road, from Palms to Pines Highway 1676.4 Comment
  RSA649972  Penstemon centranthifolius Jeanne Bellemin 1969-5-24 s.n. Riverside Banning to [Idyllwild] Comment
  JEPS7549  Penstemon clevelandii var. connatus W. L. Jepson May 17 1901-Jun 1 1901 1339 Riverside Palm Canyon of Mt. San Jacinto Palm Canyon of Mt. San Jacinto and ret to Van Deventer's (and return to Van Deventer's) 914 Comment
  RSA0014863  Penstemon clevelandii var. connatus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1332 Riverside Santa Rosa Mountains. Comment
  SD229289  Penstemon grinnellii var. grinnellii Dick Schwenkmeyer 2012-6-27 756 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA0124006  Penstemon labrosus Duncan S. Bell, Thomas Stoughton 2016-4-13 9245 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  JEPS13908  Penstemon rostriflorus I. W. Clokey, E. G. Anderson 1935-8-2 6903 Riverside Fuller's Creek San Jacinto Mts., Fuller's Creek 1500 Comment
  NY661151  Penstemon spectabilis var. spectabilis E. K. Balls 1953-8-19 18534 Riverside 1-1.5 miles west of Anza along highway from Anza to Aguanga 1219.2 Comment
  SFV13131  Pentagramma triangularis M. J. Thor 1982-9-17 146 Riverside San Jacinto Mountains Idyllwild Park. Lily Creek, rocky part along roadway. 1616 Comment
  LA204570  Peritoma arborea S. Atsatt; 1926-4-17 Riverside Palm Springs Comment
  CAS-BOT-BC77478  Peritoma arborea var. angustata David Dreyer 1968-4-9 s.n. Riverside Along south side of Morongo Valley 609 Comment
  CAS-BOT-BC355990  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  RSA735242  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11214 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
  SDSU13613  Persicaria lapathifolia W. Miller, C. Mosse 1972-8-9 Riverside Comment
  SBBG4887  Petalonyx thurberi subsp. thurberi M. A. Piehl 1963-9-18 63840 Riverside near US 60, 70, 7.5 mi W of jct with Joshua Tree Mon Rd 373 Comment
  POM250764  Petunia parviflora J. C. Roos 1937-6-7 514 Riverside South foot of Jackrabbit Trail, near San Jacinto. Comment
  JOTR36461  Peucephyllum schottii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3431 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA5169  Peucephyllum schottii C. B. Wolf 1932-4-26 2980 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  RSA651687  Peucephyllum schottii Viki Cruz 1983-5-8 002 *k Riverside Collected on a rocky hillside of the North facing slope just inside Magnesia Canyon,Santa Rosa Mountains. Comment
  UC566662  Peucephyllum schottii Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR30077  Peucephyllum schottii George K. Helmkamp 1983-4-5 483- 13 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCSB37917  Peucephyllum schottii Roos, John 1966-2-5 Riverside Pushawalla Wash near 1000 Palms, Indio Hills Comment
  RSA74175  Phacelia ambigua F. W. Peirson 1922-4-9 4126 Riverside Palm Canyon Region, near Palm Springs. Comment
  UC1426005  Phacelia campanularia Robert F. Thorne and R. Carolin 1967-3-21 41652 Riverside 11.6 mi s Twentynine Palms; Joshua Tree National Monument, Split Rock 1280 Comment
  UCR132862  Phacelia campanularia Kent Beaman 1983-4-2 01 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  RSA713801  Phacelia cicutaria var. hispida A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27899 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road. 503 Comment
  RSA614227  Phacelia ciliata D. Bramlet 1993-3-30 2303 Riverside South Cajalco Benc. the site is located some 61m south of Cajalco Road, at a location 3.2km east of the intersection of Cajalco Road and Sierra Ave. The site is 152m E of the intersection with the Old Monument Peak access road. 451 Comment
  SEINET9296429  Phacelia crenulata Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  JOTR34014  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding 2010-4-7 2901 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC572247  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6409 Riverside 3 mi n Palm Springs; San Jacinto Quadrangle 213 Comment
  UC974993  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside 3 1/2 mi e Coachella Comment
  UCR169392  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 595 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC133970  Phacelia distans Geo. B. Grant 1906-4-20 6775 Riverside Palm Springs Comment
  POM6742  Phacelia distans P. A. Munz, Street, Williams 1919-3-28 2374 Riverside San Gorgonio Pass, near Banning 701 Comment
  POM6743  Phacelia distans P. A. Munz, Street, Williams 1919-3-28 2366 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA559958  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UC663064  Phacelia fremontii James E. Cole 1941-5-2 673 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  RSA428080  Phacelia minor Robert Gustafson 1983-4-18 2503 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  RSA428083  Phacelia minor H. Twining 1888-03 s.n. Riverside Riverside. Comment
  SEINET3119619 Image available Phacelia minor Philip A. Munz 1940-3-22 15655 Riverside Whitewater Canyon, 2 miles north of Banning-Indio boulevard Comment
  UC1287129  Phacelia minor C. L. Hitchcock 1966-3-15 24162 Riverside hillside 3 mi e Glen Ivy Hot Springs Comment
  UCR136276  Phacelia minor A. C. Sanders 2004-4-20 27552 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
  VVC277  Phacelia minor A. C. Sanders 1997-5-4 20655 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA280555  Phacelia minutiflora I. L. Wiggins 1941-3-27 s.n. Riverside 4 mi. north of Whitewater. Comment
  UC701984  Phacelia mutabilis Alan A. Beetle 1946-6-10 4344 Riverside ridge at top of Tahquitz Valley Mount San Jacinto 2438 Comment
  UCR196362  Phacelia neglecta Naomi Fraga, Lisa Rojas 2005-2-10 1355 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR214899  Phacelia neglecta A. C. Sanders 2010-3-23 37528 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  CLARK-A1045-872  Phacelia pachyphylla George K. Helmkamp 1978-6-1 #3 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  JOTR31229  Phacelia pedicellata La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2013 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  CAS-BOT-BC144999  Phacelia ramosissima var. latifolia Marcus E. Jones 1926-7-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA776295  Phacelia rotundifolia Duncan S. Bell, Amanda Turek 2010-4-10 829 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
  UCR114539  Phalaris aquatica A. C. Sanders, K. C. Rose 1999-6-18 22807 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA676038  Phalaris minor Scott D. White 2001-4-11 8290 Riverside SONORAN DESERT: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  CAS-BOT-BC128868  Philadelphus microphyllus Philip A. Munz 1938-8-14 15392 Riverside About rocks, ridge east of Toro Peak - Santa Rosa Mts. 2438 Comment
  UCD89319  Phleum alpinum Carl V. Meyer 1928-7-26 538 Riverside San Jacinto Mountains, Deer Springs. 2651 Comment
  UCR241919  Pholistoma auritum A. C. Sanders, Timothy W. Chumley 2013-3-28 40699 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  UCR200401  Pholistoma membranaceum Tasha La Doux, Jim Andre 2008-3-21 138 Riverside Eastern Mojave Desert, Joshua Tree National Park, Upper Cottonwood Canyon, c. 2 mi south of Cottonwood Visitors Center in canyon just west of paved road 881 Comment
  SBBG87469  Phoradendron californicum A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mtns, wash below the spring and wash, and rocky slopes to the S 487 Comment
  SEINET2054750 Image available Phoradendron californicum Helen Kennedy, T. B. Salvato 2002-2-2 5455 Riverside Western Colorado Desert: 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. Lower end of construction road, downhill from water-tank, behind a house. Full sun. 195 Comment
  UC1039596  Phoradendron californicum H. L. Mason 1928-3-11 4233 Riverside desert flats near Indio Comment
  UCD102020  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs. 152 Comment
  UCR48557  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabzon, 3 mi NW of city and I-10 on Fields Road 564 Comment
  LA209829  Phoradendron juniperinum Louis C. Wheeler; 1931-10-3 243 Riverside San Jacinto Mountains, 1.5 mi NW Tahquitz Peak 1920 Comment
  POM2144  Phoradendron macrophyllum I. M. Johnston 1917-12-1 1810 Riverside Santa Ana River, NW of Corona. 183 Comment
  RSA228805  Phoradendron macrophyllum Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 604 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  SD155415  Phoradendron pauciflorum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, north of east-west fire road, below peak. Comment
  RSA423188  Physalis crassifolia Anstruther Davidson s.n. Riverside Palm Springs. Comment
  SD247517  Physalis crassifolia A. C. Sanders, Jim Malusa 2015-9-10 41858 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi. 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
  UCD126803  Physalis crassifolia Geoffrey Levin 1976-10-17 1184 Riverside Box Canyon, about 11 miles east of Mecca. Mountain Range: Mecca Hills. Salton Sea Drainage Area. 91 Comment
  UCR198185  Physalis crassifolia Michael Honer, L. Hulse 2004-4-2 1873 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCR35276  Physalis crassifolia L. B. Ziegler 1966-9-13 84 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., San Jacinto Mtns. Desert slope 701 Comment
  RSA0048541  Physalis crassifolia A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  SEINET6330733 Image available Pilularia americana Robert F. Thorne, E. Lathrop, et al. 1969-5-19 37966 Riverside Santa Rosa Plateau: N end of large vernal marsh, Mesa de Colorado, Rancho California 625 Comment
  CAS-BOT-BC78597  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Divide west of Tahquitz Valley, San Jacinto Mts. 2438 Comment
  JEPS47921  Pinus lambertiana W. L. Jepson 1903-8-5 2264 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1737 Comment
  UC64560  Pinus lambertiana H. M. Hall 1902-4-16 2882 Riverside w side Tahquitz Peak; San Jacinto Mountains 2621 Comment
  SD80146  Pinus monophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 379 Riverside Santa Rosa Mountains, north slope, Deep Canyon, about 2 miles south of Highway #74 1310 Comment
  SEINET5485754 Image available Pinus monophylla Richard Carter 1984-12-18 3861 Riverside 1.1 mi. S. of Pinyon Crest - along Hwy 74. Pinyon-juniper woodland. 10m. Tree. Comment
  POM293252  Pinus quadrifolia Lyman Benson 1956-12-1 15706 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 Comment
  UCD134983  Pinus quadrifolia Lionel A. Stange 1956-5-12 s.n. Riverside Fifteen miles south of Banning on road to Idyllwild. Comment
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Mar 13 2014
  UCSB26244  Piperia transversa Gliessman, Stephen 1968-7-24 Riverside 50 yards south of Saunders Road; 0.1 mile east of junction with Idyllwild Road; San Jacinto Mountains 1584 Comment
  RSA544404  Piptatherum miliaceum Steve Boyd, Timothy S. Ross 1991-6-14 6372 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA673469  Plagiobothrys canescens Scott D. White, Tasha La Doux 2000-4-20 7701 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR158068  Plagiobothrys canescens A. C. Sanders 1997-3-12 19847 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR92698  Plagiobothrys canescens A. C. Sanders, O. F. Clarke 1996-4-13 18038 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  UCR108842  Plagiobothrys collinus Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCD120795  Plagiobothrys collinus var. californicus Geoffrey Levin 1975-4-26 487 b Riverside Mayhew Canyon 1.5 mi. southeast of Glen Ivy on Highway 71. 335 Comment
  UCR182164  Plagiobothrys collinus var. californicus Mitch Provance 2003-4-5 6608 Riverside San Bernardino Valley, SW extreme of the Jurupa Mountains, Glen Avon, slopes N of the northern extreme of Campbell St 274 Comment
  UCR93039  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA741372  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2008-5-15 11982 Riverside Johnson Meadow. 1415 Comment
  UC219259  Plagiobothrys collinus var. ursinus Munz and Johnston 1922-5-19 5416 Riverside Garner Ranch San Jacinto Mts., Hemet Valley 1386 Comment
  UCR19095  Plagiobothrys leptocladus John C. Roos 1950-3-18 4713 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 457 Comment
  UCR85638  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA614631  Plagiobothrys nothofulvus D. L. Banks 1997-3-29 1565 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
  UCR117306  Plagiobothrys nothofulvus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 740 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA500151  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3651 B Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  SEINET12616463  Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 Riverside Lower Colorado River Valley; along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  UCR233179A  Plantago ovata Jim Andre, Glenn L. Clifton 2011-2-22 17427 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR260216  Plantago ovata A. C. Sanders, Jim Malusa 2015-3-10 41376 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR274848  Plantago ovata David Fraker, Aaron C. Sedgwick 2012-4-5 077 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  SEINET8216608  Plantago ovata C. L. Hitchcock 1940-4-4 5952 Riverside Pinto Basin. Comment
  POM98784  Plantago ovata var. fastigiata P. A. Munz 1926-1-31 9969 Riverside Palm Springs. [Dos Palmas Spring] Comment
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May 30 2011
  JEPS83148  Plantago patagonica R. P. Allen 1935-3-25 266 Riverside Pinto Basin Comment
  RSA682163  Plantago patagonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10500 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
  UCR121235  Plantago patagonica Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2308 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR193405  Plantago patagonica A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35620 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  UC218258  Platanthera leucostachys P. A. Munz 1922-7-7 6065 Riverside n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  HSC101595  Platanus racemosa Steve Boyd, Robert Allen 2005-9-25 11658 Riverside Peninsular Ranges; San Jacinto Mountains region: Chino Canyon, southern base of the range, western margin of Chino Creek along upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  RSA401709A  Platanus racemosa A. Menke 1955-4-25 s.n. Riverside Andreas Canyon, Palm Springs. Comment
  SDSU13610  Platanus racemosa W. Miller, C. Mosse 1972-7-19 Riverside 50 ft. from the river, 200 yards upriver from beaver dam. Comment
  CAS-BOT-BC91876  Platystemon californicus Cecil Hart 1922-5-21 2 Riverside San Jacinto Mountain. Comment
  RSA180244  Platystemon californicus E. W. Lathrop 1959-4-2 4434 Riverside 18 miles west of Murrieta. Comment
  CDA7065  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -395 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
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Dec 13 2012
  UC28847  Plectritis ciliosa subsp. insignis H. M. Hall May 1899 1126 Riverside San Jacinto Mountains, on Chalk Hill Chalk Hill; San Jacinto Mountains, Chalk Hill 1584 Comment
  RSA326158  Pleuraphis rigida John F. Emmel 1982-10-5 834 Riverside Northeast slope of Santa Rosa Mountains; near base of mts. Guadalupe Creek 341 Comment
  CAS-BOT-BC326579  Pleurocoronis pluriseta John Thomas Howell 1928-1-29 3299 Riverside Painted Canyon, Colorado Desert Comment
  JOTR32042  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2272 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  SD40731  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon 760 Comment
  UC69338  Poa H. M. Hall 1899-5-22 1137 Riverside Johnston's Ranch 1524 Comment
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Mar 27 2016
  RSA613418  Poa secunda D. L. Banks 1997-4-5 1673 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area., South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA771659  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4907 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  JOTR16787  Poa secunda subsp. secunda Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1645 Comment
  UC70983  Poa secunda subsp. secunda H. M. Hall April 1903 3785 Riverside vicinity of Riverside 365 Comment
  CAS-BOT-BC167526  Polygala acanthoclada Annie M. Alexander; Louise Kellogg 1941-5-9 2139 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains 975 Comment
  RSA720653  Polygonum aviculare John Green 2005-5-4 s.n. Riverside SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 534 Comment
  UCR260160  Polygonum aviculare Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4776 Riverside Eastern Mojave Desert, east side of Arica Mountains, west side of Rice Valley c. 6 air mi southeast of the ghost town of Rice or c. 5.25 air mi east-southeast of Priests Well 211 Comment
  IRVC3047  Polypodium californicum Tony Price 1965-4-24 HS 574 Riverside Highway 74; 1.5 miles W of Dripping Springs Gaurd Station. Comment
  RSA192261  Polypodium californicum E. W. Lathrop 1965-4-2 4425 b Riverside 18 miles W of Murrieta in the Cottonwood Canyon of the Tenaja Range Comment
  RSA500155  Polypogon interruptus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3646 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  RSA573439  Populus fremontii Steve D. Boyd, D. L. Banks 1994-9-8 8336 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland National Forest, head of shallow draw on flats northeast of the upper end of Tenaja Canyon, south of Wildomar Truck Trail (Tenaja Road, 7S01). 585 Comment
  UCR119418  Populus fremontii Mitch Provance 1998-6-24 712 Riverside Jurupa Mountains, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701. 335 Comment
  UC846012  Populus fremontii subsp. fremontii Ira L. Wiggins 1937-2-19 8573 Riverside roadside 2.5 mi n Ripley Comment
  CAS-BOT-BC356161  Porophyllum gracile James R. Shevock 1978-4-26 5883 Riverside Along Skyline Road. Santa Ana Mountains, Cleveland National Forest 365 Comment
  CAS-BOT-BC356165  Porophyllum gracile H. M. Hall 1905-5-2 5977 Riverside Colorado Desert. Chuckawalla [Chuckwalla] Mt. Comment
  UCR102718  Porophyllum gracile B. G. Pitzer 1998-1-24 3404 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  CAS-BOT-BC452155  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mt. In Surprise Lake Comment
  RSA719783  Potamogeton diversifolius Naomi Fraga, et al. 2006-7-11 1722 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA783358  Potentilla glandulosa John Olmsted 1958-6-15 171 Riverside San Jacinto Mts: M. FK. San Jacinto Range Drainage Area. 1 mi above intersection of Beartrap Canyon with Strawberry Cr. by Idyllwild School of Music and Art. On sandy banks of Beartrap Canyon. 1616 Comment
  SD128282  Potentilla glandulosa subsp. reflexa R. Mitchell Beauchamp 1971-5-15 2417 Riverside Black Mt. campground, San jacinto Mountains 2100 Comment
  SD229257  Potentilla gracilis Dick Schwenkmeyer 2012-6-27 759 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  CAS-BOT-BC356217  Prenanthella exigua H. M. Hall 1905-4-1 5918 Riverside Colorado Desert. Paloverde [Palo Verde] Valley 76 Comment
  RSA776291  Prenanthella exigua Duncan S. Bell, Amanda Turek 2010-4-10 832 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
  UC91954  Prenanthella exigua Frank Stephens 1899-1 Riverside Colorado Desert Comment
  SEINET3228132  Proboscidea althaeifolia G. Rink, T. Thomas and K. Routson 2012-9-1 11655 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  SFV3474  Proboscidea althaeifolia G. E. L. Rowntree, H. Dearing 1825, M. Dearing 1937-11-4 s. n. Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash near Corn Springs. Between Desert Center and Blythe. 490 Comment
  SEINET2045436 Image available Proboscidea parviflora Howard Scott Gentry 1948-6 8181 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  SD80104  Prunus fasciculata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 386 Riverside South of Highway 74 between Sugar Loaf CafA^ and entry gate to service road. 1219 Comment
  SJSU5198  Prunus fremontii S. M. Kaune 1961-12-27 212 Riverside State Rte 74 (Palms to Pines Hwy) c. 5-7 mi E of Toro Peak 1173 Comment
  JEPS44629  Prunus ilicifolia W. L. Jepson 1901-5-19 1267 Riverside journey from Riverside to Santa Rosa Peak and Palomar (Upper San Jacinto Valley, San Jacinto River Canyon); Upper San Jacinto Valley, San Jacinto River Canyon 609 Comment
  RSA6083  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside Snow Creek, No. Base San Jacinto Mountains. Just above the Fish Hatchery 671 Comment
  UCR235924  Psathyrotes ramosissima Jeremiah George 2012-5-4 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, toward end of pavement on Salvia Rd. north of Gene Autry Trail, near I-10 183 Comment
  CAS-BOT-BC356598  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2644 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  POM358760  Pseudognaphalium biolettii Ora M. Clark 1929-2-24 1539 Riverside N slope of San Jacinto S of Cabazon Comment
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Nov 9 2011
  RSA559456  Pseudognaphalium biolettii Steve Boyd 1992-5-4 7211 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA614635  Pseudognaphalium biolettii D. L. Banks 1997-3-29 1561 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
  SEINET2053761 Image available Pseudognaphalium biolettii 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
  UC485714  Pseudognaphalium biolettii Robinson and Crocker 1916-3-29 569 Riverside canyon near Murrieta; Santa Ana Mts. Comment
  CAS-BOT-BC356664  Pseudognaphalium californicum Carl B. Wolf 1936-6-17 7952 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 365 Comment
  RSA563910  Psilocarphus brevissimus A. C. Sanders 1993-4-5 13687 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  CAS-BOT-BC353641  Psorothamnus emoryi Cecil Hart 1926-3-9 s.n. Riverside between Whitewater and Indio Comment
  CAS-BOT-BC353645  Psorothamnus emoryi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  OBI13264  Psorothamnus emoryi H. E. McMinn 1935-6-27 4072 Riverside Palm Cyn Comment
  RSA0027503  Psorothamnus emoryi April Garbat, Kristin Forgrave 2013-5-7 64 Riverside Coachella Valley, along Highway 111 in the sandy soil south of the road. Near the large pile of rocks. North of Mt San Jacinto, along the San Gorgonio River. Comment
  RSA517250  Psorothamnus emoryi Steve D. Boyd 1986-2-18 1320 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCR214715  Psorothamnus emoryi A. C. Sanders 2010-3-23 37546 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SD46419  Psorothamnus emoryi var. emoryi P. C. Everett, E. K. Balls 1956-5-2 21552 Riverside 2 miles north of turn off highway 60/70, west of desert center to eagle Mountain pumping station 259 Comment
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Apr 5 2011
  RSA0042113  Psorothamnus schottii Duncan S. Bell, LeRoy Gross 2014-3-6 6190 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  RSA799247  Psorothamnus schottii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 731 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  RSA0034846  Psorothamnus schottii Anstruther Davidson 1926-03 s.n. Riverside Palm Springs Comment
  POM46967  Psorothamnus spinosus Mary F. Spencer 1918-3-27 756 Riverside Palm Springs. 137 Comment
  SD224975  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 22 Comment
  UC370448  Psorothamnus spinosus H. E. and S. T. Parks 1929-2-10 394 Riverside Palm Springs 0 Comment
  UC403403  Psorothamnus spinosus H. E. and S. T. Parks Feb. 1929 394 Riverside below Palm Springs (along the desert edges); below Palm Springs Comment
  UCR35298  Pteridium aquilinum var. pubescens L. B. Ziegler 1970-5-20 404 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  SDSU13935  Pterostegia drymarioides Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2139 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR120186  Pterostegia drymarioides Mitch Provance 1998-3-7 169 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.7 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside 375 Comment
  UCR50000  Pulicaria paludosa Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  RSA561412  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 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
  RSA0106805  Quercus Jeremiah George 2012-8-7 70812 -1 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR277744  Quercus Mitch Provance 2012-9-11 912- 04 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  JEPS37680  Quercus X morehus W. L. Jepson May 17 1901-Jun 1 1901 1444 Riverside Santa Rosa Indian Village Comment
  CAS-BOT-BC61822  Quercus agrifolia Samuel B. Parish 1891-11-4 2276 Riverside Rocky Hills, head of Temecula Canon Comment
  RSA600566  Quercus agrifolia Louis C. Wheeler 1962-7-26 8181 Riverside Temescal Valley. Comment
  UC1922063  Quercus agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR214579  Quercus agrifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37846 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  SEINET13953027 Image available Quercus agrifolia Peter H. Raven 1958-1 12982 Riverside Along roadside, 3.0 miles east of junction to Aguanga San Jacinto Mountains Comment
  HSC35339  Quercus agrifolia var. agrifolia A. M. Montalvo, J. D. Ackerman 1975-6-26 531 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground 610 Comment
  UCSB1039  Quercus agrifolia var. agrifolia Keator, Glenn 1959-05 Riverside foothills of northern Mt. San Jacinto Comment
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Mar 2 2014
  RSA19221  Quercus berberidifolia R. S. Woglum 1938-5-1 1602 Riverside Hemet, So toward Aguanga 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
  CAS-BOT-BC62443  Quercus chrysolepis E. A. McGregor 1941-6-12 26 Riverside Santa Rosa Mt. Comment
  RSA748232  Quercus chrysolepis T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 131 Riverside San Bernardino National Forest. 14.5 mile S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 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
  CAS-BOT-BC86599  Quercus cornelius-mulleri David Dreyer 1968-4-9 s.n. Riverside N slope of hills S of Morongo Valley 609 Comment
  CHSC59979  Quercus dumosa John La Salle 1982-5-4 82- 5 -4-4 Riverside 2.4 miles west of Radec across the highway from Vail Lake turnoff from Highway 79. Comment
  SD122862  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside 7.8 miles west of Rancho California, De Luz road Comment
  UCR189774  Quercus engelmannii Angela Hyder 2006-10-2 077 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  UCR91547  Quercus ilex Donald E. Peck 1994-10-23 s.n. Riverside Citrus orchard in town of Rubidoux Comment
  CAS-BOT-BC105322  Quercus kelloggii Carl B. Wolf 1932-8-6 3992 Riverside San Jacinto Mts., Strawberry Valley, base of Dveil's Slide Trail to Tahquitz Valley 1706 Comment
  CAS-BOT-BC104997  Quercus wislizeni C. B. Wolf 1931-10-14 2453 Riverside Snow Crrek, 100 yds. above the Fish Hatchery, N base of San Jacinto Mts. 609 Comment
  UCR166153  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 561 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
  JOTR30639  Rafinesquia californica La Doux, Tasha, Erin Babich 2008-4-21 1801 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  SEINET273103  Rafinesquia californica G. K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake 488 Comment
  SEINET5584426  Rafinesquia californica Stephen Hale, Jake Mohlmann 2010-1 Riverside Along WAPA Parker-Blythe transmission line, adjacent to State Route 95 Comment
  UC1523405  Rafinesquia californica Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54074 Riverside ca 3.2 mi n Whitewater P.O. and Hwy 10 (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts., Whitewater Canyon 609 Comment
  UCR20642  Rafinesquia californica O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  CAS-BOT-BC362621  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside Cottonwood Spg. wash, Joshua Tree Nat. Monument Comment
  CAS-BOT-BC362625  Rafinesquia neomexicana Roxana S. Ferris 1953-3-11 12605 Riverside Crossing on Highway 60-70 of Eagle Mountain Iron Mine Railroad Comment
  SEINET3104761  Rafinesquia neomexicana Faulkner 1978-3-20 330 Riverside Near Big Maria Mtns, 1 mi west of Colorado River. 152 Comment
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Sep 9 2013
  UC217944  Rafinesquia neomexicana P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4884 Riverside vicinity Corn Springs (Colorado Desert, Chuckwalla Mountains, Southern California); Colorado Desert, Chuckwalla Mountains 609 Comment
  UCR182102  Ranunculus occidentalis Tom Chester 2006-2-26 868 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: S. Trans Preserve Trail, just below top of Mesa de Colorado, ~0.75 miles (1.2 km) due west of Santa Rosa Ranch 588.4 Comment
  UCR20915  Ranunculus sceleratus A. C. Sanders 1978-7-5 575 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  POM273399  Raphanus sativus Lyman Benson 1932-3-26 3160 Riverside 3 miles N [of] Temecula. 457 Comment
  UCR91291  Raphanus sativus Scott D. White, M. Jacobsmeyer 1996-4-20 3978 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA735078  Rhamnus crocea Scott D. White, Angelia Carey 2004-6-4 10480 -A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  CAS-BOT-BC56044  Rhamnus ilicifolia H. E. McMinn 1925-7-1 1489 Riverside Control at base of grade to Idyllwild, San Jacinto Mts. Comment
  RSA289811  Rhamnus ilicifolia Barry A. Prigge 1980-8-12 3931 Riverside Whitewater Canyon: 1.4 miles upstream from trout farm. 793 Comment
  RSA391104  Rhamnus ilicifolia Christopher Davidson, B. Gustafson 1977-4-7 5596 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA643450  Rhamnus ilicifolia A. C. Sanders 1995-11-26 17909 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. 1189 Comment
  IRVC9327  Rhus lanceolata B. T. Gittins, O. F. Clarke 1966-1-15 885 a Riverside U.S. Dept. of Agriculture, Experimental Station, (Citrus and Date gardens); Indio. Sonoran Desert Comment
  RSA696479  Rhus ovata Kenneth Beard 1934-04 s.n. Riverside Mtns. along Ortega Hwy. N. of San Juan hot Springs Comment
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Oct 31 2011
  SBBG51899  Rhus ovata M. Hilend 1928-4-8 167 Riverside ca. 3 mi W of Lake Elsinore Comment
  SDSU12886  Rhus ovata Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998B Riverside Creekbed due south of SDSU Santa Margarita Field Station; ca 1000 feet southewest on road to switchback bend, then ca. 800 feet northeast down to creekbed, north side of road. 238 Comment
  POM10075  Rhus trilobata var. pilosissima Charlotte M. Wilder 1904-6-11 46 Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  RSA403704  Rhus trilobata var. pilosissima Ora M. Clark 1929-4-6 1951 Riverside South of Hemet. Comment
  CAS-BOT-BC93063  Ribes californicum var. hesperium Carl B. Wolf 1932-2-11 2642 Riverside Hidden Canyon, 5 miles west of Corona. Santa Ana Mountains. Base of Skyline Drive. 405 Comment
  JEPS49440  Ribes cereum F. M. Reed 1908-7-11 2386 Riverside Round Valley Mt. San Jacinto 2743 Comment
  UCR24929  Ribes cereum var. cereum A. C. Sanders 1980-8-23 1754 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR37451  Ribes malvaceum Steve Boyd 1981-3-13 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mtn. 844 Comment
  LA205474  Ribes malvaceum var. viridifolium W. E. Pequegnat; 1939-4-8 30 Riverside Santa Rosa Mountains Comment
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Mar 12 2014
  UC11595  Ribes malvaceum var. viridifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  POM20019  Ribes nevadense Mary F. Spencer 1923-6-12 2174 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  SFV20141  Ribes nevadense J. N. Hogue, J. M. Wrublik 2000-5-30 153 .1 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  UC218159  Ribes nevadense P. A. Munz 1922-9-6 6384 Riverside North Fork of Tahquitz Creek San Jacinto Mts. 2209 Comment
  CLARK-A1528-4142  Ribes quercetorum John C. Roos 1940-5-4 879 Riverside Reche Canyon Comment
  SD229188  Ribes roezlii var. roezlii Dick Schwenkmeyer 2012-4-17 691 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR21990  Rorippa nasturtium-aquaticum Steve Boyd 1980-7-12 323 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR59511  Rorippa nasturtium-aquaticum Steve Boyd 1989-4-7 3563 Riverside Peninsular Range, Vail Lake area; along Arroyo Seco drainage from jct with Kolb Creek, S to within 0.25 mi of Hwy 79. 457 Comment
  UC914718  Rosa californica I. W. Clokey and E. G. Anderson 1935-8-21 6743 Riverside North Fork San Jacinto River 1500 Comment
  UCR188225  Rosa californica Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1698 Riverside San Jacinto Mountains, east of Fobes Ranch Road, about 1.5 mi south of Fobes Ranch 1616 Comment
  LA37957  Rubus parviflorus Carl Epling; 1938-8-14 sn Riverside San Jacinto Mountains, N fork, San Jacinto River Comment
  RSA0011488  Rubus parviflorus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4995 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  CAS-BOT-BC158733  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  SEINET156318  Rumex acetosella Norman C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  UC6936  Rumex conglomeratus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR194213  Rumex conglomeratus Scott D. White, Angelia Carey 2004-6-4 10474 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  CLARK-A1528-765  Rumex crispus Bruce Freeman 1968-5-22 680522-1 Riverside University of California 304 Comment
  SEINET238575  Rumex crispus Mitch Provance, A. C. Sanders 2000-6-4 2084 Riverside Riverside: Santa Ana River Wash between the Market St. and Riverside Ave crossings. 244 Comment
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  SEINET272344  Rumex hymenosepalus A. C. Sanders, G Helmkamp 1997-3-15 19958 Riverside Lake Skinner Area; NE of Skinner Lake in a tributary to Rawson Canyon along the dirt road. UTM 10km cell: MH-9E 1N. Sk 503 Comment
  UCR97506  Rumex hymenosepalus Michael D. Wilcox 1997-1-8 s.n. Riverside In a vineyard c. 2.5 air mi. west of Glen Avon, just east of San Bernardino County line at Milliken Ave. & just south of Riverside Dr. 241 Comment
  UCSB10612  Rumex hymenosepalus Gill, Robert 1960-3-23 Riverside About 1 mile up Snow Canyon from road to Palm Springs; San Jacinto Mts. 396 Comment
  RSA690941  Rumex salicifolius Scott D. White, Michael Honer 2003-5-27 9395 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  RSA802421  Rumex salicifolius Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5018 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR154377  Rumex salicifolius A. C. Sanders, Mike Misenhelter 2005-6-15 30955 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
  UCR167685  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-23 1296 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR9560  Rumex salicifolius var. salicifolius O. F. Clarke 1968-9-18 s.n. Riverside From the campus of the University of California at Riverside Comment
  UCR23460  Ruta chalepensis John C. Roos 1950-4-22 4749 Riverside In the pass between Reche Canyon and Pigeon Pass Road 457 Comment
  UCR90828  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UC64163  Sagina saginoides H. M. Hall June 1901 Riverside San Jacinto Mts., Fuller's Mill Mts., Box Spring 1615 Comment
  SEINET13947224 Image available Salazaria mexicana J. C. Roos 1965-1 s.n. Riverside Dos Palmas Springs, Santa Rosa Mountains Comment
  CLARK-A1528-834  Salix Ken F. Clarke 1971-9-7 Riverside Riverside Comment
  SEINET10538623  Salix amygdaloides Billy Joe Cox 1975-4-23 Cox 4164 Riverside Palo verde, 1-3 km w (ca 32 mi s of blythe); creosote desert scrub; sandy and Gravelly entisols; riverside and imperial co. 95 Comment
  CAS-BOT-BC103894  Salix exigua Marian L. Campbell 1921-3-19 36 Riverside Banning Comment
  RSA659609  Salix exigua J. C. Roos 1947-2-15 3244 Riverside Lost Palms Canyon. Comment
  UCR26527  Salix exigua A. C. Sanders, S. Hagopian 1981-5-20 2130 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  SBBG29056  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Eiverside 240 Comment
  UC4990  Salix exigua var. hindsiana Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC108106  Salix gooddingii Geo. B. Grant 1906-5-1 6755 Riverside Colorado Desert at Palm Springs Comment
  LA208656  Salix gooddingii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  LA208662  Salix gooddingii Carl Epling; 1927-3-27 Riverside Thousand Palms Comment
  SEINET10626236  Salix gooddingii Nye Leith, Greg Gust 2005-3-11 Nye 57 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  UCR121089  Salix gooddingii A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24971 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR225492  Salix gooddingii A. C. Sanders 2011-3-29 38856 Riverside Peninsular Range; Perris-Aguanga Basin Region, canyon in hills between Sun City and Perris, San Jacinto River at powerline corridor crossing west of Goetz Rd., above Railroad Canyon Lake 428 Comment
  UCR6138  Salix gooddingii A. Belding 1967-5-12 s.n. Riverside Boy Scouts America Camp Evans, at the end of Indian Hill Road. Santa Ana River Flood Plain west of the City of Riverside Comment
  RSA0038300  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Colorado Desert. Lower Sonoran Zone Comment
  RSA171357  Salix lasiolepis J. D. Olmsted 1962-5-3 3531 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  UCR174233  Salix lasiolepis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32666 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
  CDA5807  Salpichroa origanifolia F. J. Willmarth 1964-6-15 Riverside Temecula Hotel, Temecula. 0 Comment
  SEINET229272 Image available Salsola iberica L. M. Shultz, JS Shultz 1985-4-16 8257 Riverside Chuckawalla Valley sand dunes east of the Chuckawalla Mounatins 122 Comment
  JEPS86050  Saltugilia australis W. L. Jepson 1901-5-19 1284 Riverside San Jacinto Canyon , San Jacinto Canyon (San Jacinto Mtns.) Comment
  RSA769517  Saltugilia australis Duncan S. Bell, Lucila Reccia 2010-5-5 966 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  RSA0093834  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. 457 Comment
  CHSC781  Salvia apiana E. Thomas 1940-5-26 Riverside Pleasant Valley, Joshua National Monument. 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
  LA212161  Salvia apiana A. L. Haines; 1951-5-19 s.n. Riverside SAN JACINTO MOUNTAINS, Bautiste Wash. 609 Comment
  POM13400  Salvia apiana var. compacta E. C. Jaeger 1922-8-22 1013 Riverside Long Valley to Palm Springs. 1524 Comment
  RSA0048542  Salvia apiana var. compacta L. Haines 1950-4-30 s.n. Riverside Palms to Pines Hgw., E. slope of Santa Rosa Mts. Comment
  RSA291605  Salvia carduacea C. W. Tilforth, Walter Wisura 1979-4-11 1789 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  POM13462  Salvia columbariae P. A. Munz 1922-5-19 5367 Riverside 5 miles NE of Murietta. 457 Comment
  RSA0117835  Salvia columbariae Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7806 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1235 Comment
  UC1584115  Salvia columbariae Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3856 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mtn); Vail Lake Area, Temecula Creek Canyon, Big Oak Mtn. 396 Comment
  UCR108140  Salvia columbariae B. G. Pitzer 1997-3-23 2998 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
  UCR97491  Salvia columbariae A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19870 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET7040183  Salvia columbariae A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  LA69694  Salvia eremostachya K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms to Pines highway near road to Shumay Comment
  RSA727071  Salvia eremostachya Jay Walker, R. C. Walker 3096 Riverside 4.5 miles NE of Pinyon Flats, along hwy 74. Comment
  RSA97250  Salvia eremostachya H. K. Buechner 1955-6-1 C- 111 Riverside 4.5 miles south of Palm Desert. north base of Santa Rosa Mountains. Comment
  RSA699687  Salvia greatae J. Mark Porter, Orlando Mistretta 2003-6-5 13621 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  CHSC26489  Salvia mellifera James Henrickson 1970-4-10 4529 Riverside 8 air miles ESE of Temecula along Hwy. 71-19. 542 Comment
  RSA522724  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3829 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SEINET10581798  Salvia mellifera Nye Leith, Greg Gust 2005-3-11 Nye 65 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UC25683  Salvia pachyphylla H. M. Hall 1898-1 Riverside San Jacinto Mountains Comment
  RSA0121026  Salvia vaseyi Duncan S. Bell, LeRoy Gross 2016-3-29 9112 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCR16807  Salvia vaseyi B. A. Carlson 1978-4-22 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 488 Comment
  RSA739278  Salvinia minima Richard E. Riefner 2008-7-5 8 -214 Riverside Riverside County: Cathedral City, Perez road at Date Palm Dr. 82 Comment
  CSUSB1000  Sambucus mexicana Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  RSA601087  Sambucus mexicana A. C. Sanders, J. Goetzen 1996-5-1 18126 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. 792 Comment
  SBBG104109  Sanicula arguta M. A. Patten 1992-3-13 92 -2 Riverside ca. 2 mi W of Santa Rosa Plateau, just N of San Diego County line, between Calle Calado and Tenaja Rd. .25 mi N of Villa Abril Comment
  RSA496458  Sanicula crassicaulis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3074 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR103743  Sanicula tuberosa D. E. Bramlet 1990-3-31 1941 Riverside Perris Valley, Lakeview Mountains, c. 2.75 km NW of Juniper Flat Rd & 1.5 km NW of Tyron Ave. 701 Comment
  UCR91064  Sarcodes sanguinea Joan Callahan 1996-6-3 s.n. Riverside San Jacinto Mtns, southern Idyllwild, 26281 Lookout road, near Marion View Rd. 1616 Comment
  LA202876  Sarcostemma cynanchoides subsp. hartwegii Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Box Canyon Comment
  UC23113  Sarcostemma cynanchoides subsp. hartwegii Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UC1075574  Sarcostemma hirtellum P. C. Everett and E. K. Balls 1956-5-2 21558 Riverside 0.8 mi. n. of junction 60/70 along rd. to Eagle Mt. Pumping Station 365 Comment
  UC907579  Sarcostemma hirtellum Mary L. Bowerman 1949-4-18 4303 Riverside 14.8 mi. e. of junction with Hwy. 99 U.S. Hwy. 70 (Indio to Blythe) (0.4 mi. e. of Cactus City garage, n. of hwy.) 502 Comment
  UC712154  Saxifraga californica Charles B. Fiker 1944-4-4 3007 Riverside near Temecula Comment
  UCR261140  Schinus terebinthifolius A. C. Sanders, Jeff Crain 2015-5-20 41740 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  UCR214416  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR214694  Schismus arabicus A. C. Sanders 2010-3-25 37629 Riverside Sonoran (Colorado) Desert; Salton Trough, northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 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
  UC1132931  Schismus barbatus H. S. Yates 1937-3-23 6415 Riverside near White Water 304 Comment
  UCR97244  Schismus barbatus Scott D. White 1997-2-28 4719 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA737275  Schoenoplectus americanus Justin M. Wood 2008-9-22 152 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SEINET7591474 Image available Schoenoplectus californicus Ira L. Wiggins 1937-2-19 s.n. Riverside .5 miles N of Palo Verde Comment
  POM1416  Scirpus microcarpus L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  SEINET13276759 Image available Scirpus microcarpus Mitch Provance 2012-1 196 -01 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UCR230914  Scrophularia californica T. B. Salvato, Richard Camacho 2011-6-12 5480 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA425199  Scrophularia californica subsp. floribunda Bonnie C. Templeton 1930-4-15 1480 Riverside North of Gavilan Peak. 550 Comment
  RSA677  Scutellaria bolanderi subsp. austromontana J. T. Howell 1927-8-2 568 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCR193486  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35606 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  UCR139242  Secale cereale A. C. Sanders, Kate Kramer 2003-6-11 26885 Riverside San Jacinto Mtns., along entrance road to McCall Memorial Park, near Mountain Center 1355 Comment
  CAS-BOT-BC69809  Selaginella bigelovii John Thomas Howell 1927-8-1 2886 A Riverside Morongo Canyon, n. Colorado desert. 609 Comment
  RSA0016357  Selaginella bigelovii Duncan S. Bell, David Bernie, Kurt Broz, Kim Clark, James Fournier, Shasta Gaughen, Holly Gray, Ed Howland 2013-6-7 5040 Riverside Pala Indian Reservation, back behind the water tower on the southern flanks of Tourmaline Queen Mountain. 177 Comment
  UC1059063  Selaginella bigelovii Lee Bonar 1957-3-2 Riverside e slope Mt. Rubidoux Comment
  CAS-BOT-BC62093  Selaginella eremophila Larry Kiefer 1963-3-24 485 Riverside Andreas Cyn. 609 Comment
  SEINET6659394  Senecio californicus Steve Boyd, Dave Bramlet 1990-4-29 4495 Riverside Lake Skinner County Park, SE base of Bachelor Mtn.; 0 Comment
  UCR162266  Senecio californicus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  CLARK-A1528-290  Senecio douglasii subsp. douglasii C. M. Flanagan 1973-6-13 OO 705 Riverside Morongo Indian Reservation 975 Comment
  HSC82753  Senecio mohavensis Christopher Davidson 1979-4-4 7728 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  UCR52152  Senecio mohavensis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA717626  Senecio vulgaris Scott D. White 2006-4-27 11285 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCSB2959  Senegalia greggii DeWitt, Jack 1959-5-18 Riverside 5.3 miles W of Palm Desert on the Palms to Pines Hwy. (74) 152 Comment
  POM187382  Senna armata E. Crow 1930-5-17 s.n. Riverside Shavers Well Comment
  UCR11948  Senna armata W. Shapeero 1954-4-28 s.n. Riverside Mojave Desert, Joshua Tree National Monument [Park] Comment
  RSA518291  Sesbania exaltata George K. Helmkamp 1989-9-16 s.n. Riverside W side of State Hwy. 78, 0.7 mi. N of Palo Verde. Palo Verde. 75 Comment
  UCR126433  Sesuvium verrucosum T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 45 Riverside Coachella Valley, 50th St. c. 1 mi west of Filmore, 1.5 mi east of town of Coachella. -24 Comment
  SACT002095  Setaria verticillata Malcolm Nobs, Galen Smith 1948-9-3 Riverside 2 miles north of Indio. Comment
  RSA0002001  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-3-31 6771 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  RSA433916  Sidalcea malviflora subsp. sparsifolia E. C. Jaeger 1922-7-3 s.n. Riverside Stawberry Valley Comment
  UCR20803  Silene antirrhina A. C. Sanders 1980-5-14 01457 Riverside N side of Agua Tibia Mountains; Cleveland Nat. Forest., Dripping Springs 610 Comment
  RSA500536  Silene laciniata subsp. major Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-4 3624 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  UCR177941  Silene lemmonii Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 532 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CAS-BOT-BC389574  Silene parishii Reid Moran 1968-8-3 15369 Riverside North slope 1 mile west of summit, Santa Rosa Mountain 2150 Comment
  RSA784846  Silene parishii J. D. Olmsted 1959-7-1 720 Riverside San Jacinto Mountains. 200 feet higher than Strawberry Cienega trail, 1/4 mile west of turnoff from San Jack trail; ENE of Idyllwild. 1128 Comment
  JEPS40186  Simmondsia chinensis W. L. Jepson 1928-4-25 12577 Riverside Cottonwood Spr. Cottonwood Mts.; , Cottonwood Spr. 731 Comment
  POM14162  Simmondsia chinensis Philip A. Munz, D. D. Keck 1922-4-9 4784 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
Read comments
Apr 5 2011
  RSA339241  Simmondsia chinensis Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53574 Riverside Joshua Tree National Monument: Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  SD80042  Simmondsia chinensis Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-28 277 Riverside Andreas Canyon, near Palm Springs, alongside trail, 50' south of Andreas stream, opposite mouth of North Canyon 366 Comment
  SEINET6418776 Image available Simmondsia chinensis Annie M. Alexander, Louise Kellogg 1941-1 2159 Riverside EAgle Mountains, road to Black Eagle Mine 777 Comment
  UCR17614  Simmondsia chinensis N. R. Zabriskie, W. W. Zabriskie 1970-3-28 276 Riverside Sonoran (Colorado) Desert, Andreas Canyon, near Palm Springs. c. 25 ft. downstream from 277, alongside trail, 75 ft. south of Andreas stream, opposite mouth of 'North Canyon 366 Comment