Search Results — 2000 specimen records retrieved (1892 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  SD132534  Abies concolor F. C. Vasek 1977-11-25 771125 1 Riverside San Jacinto Mountains, area below Boulder Basin Campground, just below Black Mountain Lookout Comment
  UCR131459  Abies concolor June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  CAS-BOT-BC229315  Abronia villosa John Thomas Howell 1928-1-28 3284 Riverside Thousand Palms, Colorado Desert Comment
  CAS-BOT-BC229329  Abronia villosa L. R. Abrams 1913-7-16 5010 Riverside Between Elsinore & Corona, Riverside Canyon Comment
  CAS-BOT-BC229351  Abronia villosa Milo S. Baker 1928-4-5 2848 b Riverside Palm Springs Comment
  SEINET785371  Abronia villosa Leo A. Galloway 1969-1 1084 Riverside 1.5 miles southeast of Cathedral City, State Highway 111. Comment
  POM192450  Abronia villosa var. aurita Marcus E. Jones 1929-7-13 s.n. Riverside Temecula Bridge Comment
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May 19 2011
  POM727  Abronia villosa var. aurita P. A. Munz 1918-4-27 2131 Riverside Temescal Canyon. Comment
  SEINET946021  Abronia villosa var. aurita Robert L. Rutherford 1944-1 1592 Riverside Palms to Pines Highway. 1463 Comment
  SEINET946025  Abronia villosa var. aurita Louis B. Ziegler 1966-1 80 Riverside San Jacinto Mountains, Hemet (Thomas/Garner) Valley. 1402 Comment
  UCR234257  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40024 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 314 Comment
  UCR241517  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-27 40543 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  SEINET10491238  Acacia greggii Billy Joe Cox 1975-6-26 Cox 4201 Riverside Palo Verde, 103 km W, (ca 32 mi S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  RSA20296  Acacia greggii var. arizonica Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UCD104648  Acacia iteaphylla A. C. Sanders; S. Morgan 1997-11-6 21588 Riverside UCR Botanical Garden, dry W-facing slopes E of the Australian section. 396 Comment
  RSA263609  Acer macrophyllum E. W. Lathrop 1968-3-22 6917 Riverside Main Divide Truck, trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
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Apr 28 2011
  UC890980  Achillea millefolium unknown 1932-8-4 3926 Riverside 1.5 mi from, on road to Banning Idyllwild; San Jacinto Mts., Strawberry Valley 1706 Comment
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Nov 2 2011
  CAS-BOT-BC210592  Achnatherum coronatum H. M. Hall 1899-5-27 1167 Riverside San Jacinto Mountains. El Toro Mt., Coyote Canon [Canyon] 1584 Comment
  UCD50442  Achnatherum hymenoides F. M. Reed 1907-4-1 2916 Riverside Palm Springs. Comment
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May 1 2011
  RSA494624  Achnatherum speciosum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SD237294  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2011-4-1 38942 Riverside Peninsular Range: Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill. 409 Comment
  JOTR35451  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UC1951115  Acmispon nevadensis Scott D. White, Justin Wood 2009-5-21 12858 Riverside SAN JACINTO MOUNTAINS: Garner Valley, near abandoned duck ponds, S of Quinn Flat. USGS Idyllwild 7.5' Quad. Comment
  SBBG3489  Acmispon strigosus H. and M. Dearing 1937-4-11 922 Riverside NE of Indio Comment
  SDSU13586  Acmispon strigosus W. Miller with C. Mosse 1972-7-20 Riverside Comment
  JOTR31947  Adenophyllum porophylloides La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2185 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA718578  Adenophyllum porophylloides Michael Honer, L. Hulse 2004-4-3 1897 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  UC31368  Adenophyllum porophylloides H. M. Hall 1901-6-1 2109 Riverside along the borders, at eastern base of the San Jacinto Mts Colorado Desert; San Jacinto Mountains Comment
  UCR158348  Adenostoma fasciculatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30088 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
  RSA543202  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd 1991-3-17 5483 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  CAS-BOT-BC139874  Adenostoma sparsifolium J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, summit Palms to Pines Hwy., San Jacinto Mtns. Comment
  LA207891  Adenostoma sparsifolium Carl Epling; 1931-10-4 sn Riverside Hewitt to idyllwild Comment
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Feb 23 2014
  POM613  Adenostoma sparsifolium E. E. Schellenger 1901-07 s.n. Riverside Riverside. Comment
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Jun 18 2011
  SBBG53855  Adenostoma sparsifolium K. R. Montgomery 1969-11-6 69 -20 Riverside Wilson Valley Rd, 18 mi S of Hemet 1097 Comment
  SEINET3077198 Image available Adenostoma sparsifolium Howard Scott Gentry 1974-8-26 23434 Riverside Mountain slope ca. 4 miles NE of Anza. 1372 Comment
  SD82401  Adiantum capillus-veneris Albert C. Copeland Unknown 2637 Riverside Temecula CaA'on Comment
  UCR13753  Adiantum capillus-veneris N. R. Zabriskie, W. M. Zabriskie 1971-11-27 466 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' north of stream bank, & c. 200 yards below juncture w/ 'north canyon'; Andreas Canyon, E slope of mountains. 360 Comment
  UCR264078  Adiantum capillus-veneris S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1080 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  UCR35308  Adiantum capillus-veneris L. B. Ziegler 1966-9-13 090 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  RSA696464  Agave deserti subsp. deserti J. Vlahos 1934-6-3 s.n. Riverside Up grade to San Jacinto from Palm Springs Comment
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Nov 19 2011
  RSA70608  Agave deserti subsp. deserti Frank W. Peirson 1921-4-13 2290 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 335 Comment
  UC1931094  Agnorhiza ovata Scott D. White, Justin Wood 2008-7-8 12383 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd, ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  UC55109  Agoseris grandiflora var. grandiflora H. M. Hall May 17 1901-Jun 1 1901 1916 Riverside 20 mi s Palm Springs; Palm Springs 1371 Comment
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May 2 2007
  POM11433  Agoseris retrorsa P. A. Munz 1922-7-3 5965 Riverside Santa Rosa Mts. Santa Rosa. 1920 Comment
  UCR240630  Agoseris retrorsa Tracy Tennant, Mitch Provance 1998-6-16 MOR- 401 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  CAS-BOT-BC139141  Agrostis oregonensis Ralph Hoffmann 1929-9-5 s.n. Riverside Mount San Jacinto. Tahquitz Valley. 2438 Comment
  LA206322  Agrostis scabra F. M. Reed; 1905-7-15 833 Riverside San Bernardino Mountains, Hunsaker Flats 1523 Comment
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Feb 1 2014
  RSA740248  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside Johnson Meadow 1415 Comment
  UCR201412  Agrostis viridis Justin M. Wood 2008-9-30 175 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA469421  Aliciella latifolia Anstruther Davidson 1903-5-3 1109 Riverside Thermal. Comment
  CAS-BOT-BC385085  Allionia incarnata D. B. Dunn 1946-2-23 1985 Riverside In Grotto Canyon Comment
  CAS-BOT-BC434481  Allionia incarnata Carl B. Wolf 1932-4-28 3073 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. West of Blythe on the Mecca Road. 121 Comment
  JOTR33711  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
  SD127566  Allium fimbriatum var. munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills, east edge of plateau remnant of ridge, east of Estelle Mountain, south of Dawson Canyon. Grassy opening in coastal sage scrub (recently burned) on clayey soil over cobble. 671 Comment
  OBI30459  Allium haematochiton J. C. Roos 1966-3-24 s.n. Riverside Bundy Cyn Rd E of Elsinore Comment
  RSA366486  Allium parishii Frances L. Cramer 1941-5-3 20322 Riverside Joshua Tree National Monument Comment
  HSC84077  Allium parryi Dale McNeal 1981-5-20 2545 Riverside Morris Ranch Rd., 2.2 mi. E of Hwy. 74 at Kenworthy R.S., San Bernardino National Forest Comment
  UCR218070  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Santa Ana Mountains, Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  RSA411100  Allophyllum glutinosum Albert J. Perkins 1924-5-11 s.n. Riverside Trail to Santiago Peak, near Glen Ivy Hotel, N. Elsinor. Comment
  RSA648741  Alnus rhombifolia J. C. Roos 1948-5-8 3828 Riverside Along stream at Whitewater. 518 Comment
  UCR126429  Amaranthus arenicola T. B. Salvato, A. C. Sanders 2000-4-27 60 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  UCR40101  Amaranthus blitoides Steve Boyd 1985-7-30 1046 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  CDA3239  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region; Riverside, east side of Streeter Ave. just S of Scott Ave., between Arlington and Central Aves. Comment
  JOTR16544  Amaranthus fimbriatus Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. RAODSIDE BETWEEN RYAN MOUNTAIN AND CAPROCK 1310 Comment
  RSA165959  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Highway. 1220 Comment
  UCR4345  Amaranthus powellii O. F. Clarke, Jeanine Derby 1973-9-23 s.n. Riverside Santa Ana River Valley, City of Corona, river bottom area Comment
  CLARK-A1528-1533  Ambrosia acanthicarpa John C. Roos 1965-9-26 Riverside San Jacinto Mountains Comment
  UC527697  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 Riverside roadside at Cabazon; San Gorgonio Pass 518 Comment
  UCR278879  Ambrosia confertiflora Mitch Provance 2012-7-17 712- 19 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  CAS-BOT-BC22377  Ambrosia dumosa I. Johnston 1917-4-4 1034 Riverside Mouth of Andreas Canyon 243 Comment
  CAS-BOT-BC22605  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -332 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  IRVC4397  Ambrosia dumosa Joseph Scott 1964-5-10 99 Riverside State Highway 74; 7 miles SE of Pinyon Flats Campground Peninsular Ranges, San Jacinto Mountains 915 Comment
  JOTR28960  Ambrosia dumosa La Doux, Tasha 2005-3-30 1196 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UC1329946  Ambrosia dumosa James E. Cole 1941-4-13 569 Riverside .5 mi n Meek's Cabin; Joshua National Monument, Pinto Pass Comment
  UC724342  Ambrosia dumosa Aven Nelson, Ruth A. Nelson 1939-3-30 3340 Riverside near, on Hwy 60; Desert Center Comment
  UCR109581  Ambrosia dumosa R. D. Goeden, Don W. Ricker 1970-5-14 s.n. Riverside Coachella Valley, Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak 274 Comment
  UCR196392  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR75095  Ambrosia dumosa A. C. Sanders, E. Lawlor 1992-4-4 12092 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA550199  Ambrosia ilicifolia Walter Wisura, J. Romero, M. Husar 1992-4-23 4706 Riverside Low Desert: Corn Spring, N base of Chuckwalla Mts. Comment
  UC1605396  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside San Mateo Canyon at confluence with Bluewater Canyon; Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  UCR100498  Ambrosia pumila D. E. Bramlet 1997-7-18 2575 Riverside Elsinore Valley, Nichols Road Wetlands Area, c. 7.5 m NW of Nichols Road and 91 m west of Alberhill Creek; c. 366 m SW of the I-15 Fwy. Comment
  CAS-BOT-BC273027  Ambrosia salsola W. R. Dudley 1903-12-29 s.n. Riverside Palm Grove south of 1000 Palms, Palm Springs Comment
  CAS-BOT-BC273038  Ambrosia salsola Geo. B. Grant 1906-5-1 609 -6736 Riverside Colorado Desert at Palm Springs Comment
  HSC49383  Ambrosia salsola D. L. Goforth 1979-4-11 103 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  SDSU1709  Ambrosia salsola Marjorie Collier 1951-3-25 9145 Riverside Palm Canyon, 5 miles south of Palm Springs. Comment
  UC1279725  Ambrosia salsola David B. Dunn 1946-2-21 3656 Riverside w of Indio (near Pushawalla); Colorado Desert, Indio Hills, Pushawalla Canyon Comment
  JOTR32614  Ambrosia salsola var. pentalepis La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2675 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
  UC51612  Ambrosia salsola var. salsola Jos. Burtt Davy 1902-3-25 7937 Riverside Indio Comment
  UCSB24500  Ambrosia salsola var. salsola McMinn, Howard 1935-6-27 Riverside Palm Canyon Region Comment
  JOTR33855  Amelanchier utahensis La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2715 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM13099  Amelanchier utahensis I. M. Johnston 1922-5-20 5488 Riverside Kenworthy 1418 Comment
  UC12059 Image available Amelanchier utahensis H. M. Hall May 1899 Riverside e end Thomas Valley; San Jacinto Mountains 1517 Comment
  SD148121  Ammannia coccinea D. E. Bramlet, A. C. Sanders et al. 1999-10-15 2818 Riverside 198 m S of Gilman Hot Springs Rd., 1.22 km NW of Hwy 79 and 2.1 Km S of Jackrabbit Trail. 433 Comment
Read comments
Mar 21 2011
  RSA450474  Amorpha fruticosa J. C. Roos 1965-9-28 s.n Riverside San Jacinto Valley, near Gilman Hot Springs in dry canyon bottom. Comment
  RSA80004  Amsinckia intermedia F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 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
  UC494722  Amsinckia intermedia Philip A. Munz 1932-3-24 12025 Riverside n of Elsinore 304 Comment
  RSA0089614  Amsinckia intermedia John F. Emmel 1973-4-7 426 Riverside Twin Pines Creek, at north base of San Jacinto Mts., ca. 1 1/2 air miles SW of Cabazon. 512 Comment
  JOTR30103  Amsinckia menziesii La Doux, Tasha, Bill Truesdell 2008-3-18 1669 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  RSA689377  Amsinckia menziesii var. menziesii Scott D. White 2001-4-19 8384 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  POM14171  Amsinckia tessellata P. A. Munz, D. Keck 1922-4-12 4903 Riverside Vicinity of Corn Springs, Chuckwalla Mountains Comment
  SDSU18691  Amsinckia tessellata Kristen Hasenstab, M. G. Simpson 2008-4-1 54 Riverside Joshua Tree National Park. 1000 ft southeast of Cottonwood Springs campground. Near sign for entrance from campground to Mastodon loop trail, located in a large wash. 905 Comment
  UCR213579  Amsinckia tessellata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37866 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  JOTR31905  Amsinckia tessellata var. tessellata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2153 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  RSA27891  Amsonia brevifolia var. tomentosa C. L. Hitchcock 1940-3-31 5883 Riverside 0.5 mile below Cottonwood Springs Comment
  JOTR32441  Amsonia tomentosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2345 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  UC218011  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  SDSU13948  Anagallis arvensis Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2134 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR174111  Anagallis arvensis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32515 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR275486  Anagallis arvensis T. B. Salvato, Melissa Clemons 2005-6-9 1509 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR266277  Ancistrocarphus filagineus D. E. Bramlet, Ileene Anderson 2005-4-18 3808 Riverside Hills west of Hemet-Ryan Airport, 650 m west of California Ave., 1300 m south of Hwy 74, 1100 m north of Stowe Rd. 539 Comment
  RSA544401  Anemopsis californica Steve Boyd, Timothy S. Ross 1991-6-14 6369 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCR944  Anemopsis californica Robert A. Hawthorne 1957-5-1 s.n. Riverside Riverside, west side of Lake Evans 244 Comment
  UC20795  Angelica tomentosa H. M. Hall July, 1901 2557 Riverside San Jacinto Mountains, Fuller's Mills Mountains Fuller's Mills Mountains; San Jacinto Mountains, Fuller's Mills Mountains 2133 Comment
  UC1930030  Anisocoma acaulis Scott D. White, Justin Wood 2008-5-15 11964 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. (Idyllwild) Comment
  RSA747964  Anthemis cotula Justin M. Wood 2009-5-15 713 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR34896  Anthemis cotula L. B. Ziegler 1967-11-7 262 Riverside San Jacinto Mtns., Poppet Flats area 1070 Comment
  UCR199927  Anthriscus caucalis Scott D. White, Justin Wood 2008-4-16 11893 Riverside Perris Basin, Menifee Valley, north of Newport Rd. Drainage ditch down stream from golf course 436 Comment
  POM306144  Antirrhinum coulterianum Henry J. Ramsey 1937-5-30 1335 Riverside Santa Rosa Mountains. Comment
  RSA773175  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-5-27 1125 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.9 air mile southeast of junction of Highway 74 and forest service road 5S15. 744 Comment
  SD167043  Antirrhinum coulterianum S. J. Myers, John Green 2003-4-4 Riverside San Jacinto Mountains: Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UC1595591  Antirrhinum coulterianum Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4557 Riverside Vail Lake area, rolling terrain at junction of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA470388  Apiastrum angustifolium Martha Hilend 1928-4-8 166 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA515330  Apiastrum angustifolium Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW slope of Mesa de Burro., (Near 33d 31 N, 117d 14 W). 579 Comment
  UCR133670  Apiastrum angustifolium Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR27200  Apiastrum angustifolium Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  POM184120  Arabis pulchra var. gracilis P. A. Munz, CL Hitchcock 1932-4-9 12242 Riverside 10 miles SE of Windmill Tank Comment
  UC170148  Arbutus menziesii Geo. R. Hall 1912-1-1 Riverside Santiago Peak; Santa Ana Mountains, Santiago Peak 1524 Comment
  RSA629155  Arctostaphylos Jon E. Keeley 1992-7-17 16769 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629377  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16857 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UC922081  Arctostaphylos glandulosa subsp. zacaensis Frank W. Gould 1943-4-18 2134 Riverside mt. slopes 8 mi e Idlewild Comment
Read comments
Sep 29 2011
  CAS-BOT-BC24627  Arctostaphylos glauca Elmer I. Applegate 1927-2-12 4982 Riverside Near oak Grove Ranger Station. Comment
  RSA336405  Arctostaphylos glauca R. F. Thorne, A. Shmida, Robert Whittaker 1978-4-23 52086 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  RSA631729  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19291 Riverside Highway 79, at Radec. 580 Comment
  RSA631817  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20164 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633595  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16702 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633637  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20134 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633674  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20138 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633740  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20157 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633769  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16629 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  POM367418  Arctostaphylos pringlei subsp. drupacea Joseph A. Ewan 1929-6-16 3586 Riverside Lily Creek Canyon above Idyllwild. 1677 Comment
  POM367422  Arctostaphylos pringlei subsp. drupacea A. G. Goodwin 1940-05 s.n. Riverside Idyllwild Comment
  RSA635686  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16828 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  RSA652425  Arctostaphylos pringlei subsp. drupacea Edward Kai 1970-5-21 s.n. Riverside Idyllwild off Hwy 74. 1524 Comment
  RSA125341  Arctostaphylos pungens P. H. Raven 1958-5-18 12981 Riverside 1.7 miles NE of Pinyon Flats, San Jacinto Mountains. Comment
  RSA751283  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  RSA631309  Arctostaphylos rainbowensis Jon E. Keeley 1992-7-17 16759 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  RSA636018  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18802 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636022  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18797 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCD162841  Arctostaphylos rainbowensis D. O. Burge 2015-3-17 1691 Riverside Rainbow area. 410 Comment
  UC667360  Arenaria macradenia var. macradenia Annie M. Alexander and Louise Kellogg 1941-5-7 2133 Riverside 12 mi sw 29 Palms; Joshua Tree National Monument 1310 Comment
  RSA434323  Argemone D. A. Young 1969-3-28 P- 309 Riverside End of Hayfield Rd., S. of interstte Highway 10 (US 60) 305 Comment
  CAS-BOT-BC401651  Argemone munita subsp. argentea Aven Nelson; Ruth Nelson 1939-3-30 3341 Riverside Hiway 60, near Desert Center Comment
  CAS-BOT-BC207129  Argythamnia lanceolata Carl B. Wolf 1932-6-15 3735 Riverside North of Utopia, Eagle Mts., Colorado Desert 228 Comment
  RSA0040095  Argythamnia lanceolata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6257 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA598042  Aristida adscensionis F. M. Reed 1927-3-18 5426 Riverside Colorado Desert: Salt Creek Wash, 20 miles east of Mecca. 152 Comment
  RSA786536  Aristida adscensionis C. P. Cowan 1978-4-23 1225 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  RSA795810  Aristida adscensionis C. P. Cowan 1978-4-23 1171 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  SEINET4565912  Aristida adscensionis Duncan S. Bell 2011-10-22 2992 Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCD56398  Aristida adscensionis W. L. Jepson 1928-4-25 12585 Riverside Colorado Desert, Cottonwood Springs. 731 Comment
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Oct 9 2010
  RSA86722  Aristida adscensionis var. abortiva F. W. Peirson 1921-3-23 2374 Riverside Deep Canyon south of Coachella Valley 335 Comment
  CLARK-A1528-4471  Aristida hamulosa John C. Roos 1941-8-2 82 Riverside San Jacinto River 761 Comment
  UCSB45613  Aristida purpurea John C. Roos 1966-4-26 Riverside collected in hills between March AFB and Lakeview March AFB and Lakeview Comment
  CLARK-A1528-7798  Aristida purpurea var. nealleyi John C. Roos 1949-4-11 4242 Riverside Hayfield Comment
  RSA319744  Aristida purpurea var. purpurea Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  UCR90950  Artemisia californica Scott D. White 1996-2-18 3812 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  SD5834  Artemisia douglasiana F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
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Aug 21 2007
  JOTR32635  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  UCR34905  Artemisia tridentata L. B. Ziegler 1964-8-10 003 Riverside San Jacinto Mtns, Garner Valley 1375 Comment
  UC1119515  Artemisia tridentata subsp. tridentata R. St. John 1929-1-1 65 Riverside Vandeventer Flat San Jacinto Quadrangle, Vandeventer Flat Comment
  SD197749  Arthrocnemum subterminale Karin Cleary-Rose, G. Nuhn 1995-7-20 Riverside Peninsular Range, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Ave, at south end of Hyatt Ave. 456 Comment
  OBI38404  Asclepias albicans A. C. Sanders, Charlton, Pitzer, Kniffen and Wright 1986-3-10 6250 Riverside Coyote Mtns, 2.15 mi N of Hwy S-2 on a dirt road 1.1 mi SE of the San Diego Co line. 305 Comment
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Jun 30 2018
  UCR138826  Asclepias californica D. L. Banks 1997-2-23 1308 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
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Jan 9 2007
  RSA763978  Asclepias erosa Justin M. Wood, D. Ray 2010-10-21 2999 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  UCR278882  Asclepias fascicularis Mitch Provance 2011-6-9 17197 Riverside Santa Ana River Valley, Jurupa Valley, Pedley area, Horseshoe Lake, west of Van Buren Blvd., west of the corner and Studio Pl. and Lakeview Ave. 219 Comment
  RSA0035702  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  RSA417656  Aster subulatus var. ligulatus L. C. Wheeler 1932-9-4 1335 Riverside Santa Ana River at Chino Creek 183 Comment
  RSA737327  Aster subulatus var. ligulatus Justin M. Wood 2008-9-19 143 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR90270  Astragalus aridus John Wear 1994-4-21 s.n. Riverside Coachella Valley, near Bermuda Dunes, Ave. 38 at Varner Rd 61 Comment
  JEPS54565  Astragalus coccineus Lawrence Saylor 1935-3-24 200 Riverside 6 mi se Cottonwood Springs; se of Cottonwood Springs Comment
  UCR121797  Astragalus didymocarpus A. C. Sanders, Carolyn Washburn 2001-4-17 24035 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  CAS-BOT-BC182328  Astragalus didymocarpus var. didymocarpus Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  RSA800102  Astragalus didymocarpus var. dispermus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4771 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  UCR109155  Astragalus didymocarpus var. obispoensis D. L. Banks, V. W. Steinmann 1997-3-13 1523 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
  CAS-BOT-BC178455  Astragalus douglasii var. parishii Mary F. Spencer 1919-6-18 1190 Riverside San Jacinto Mts. 1615 Comment
  RSA605934  Astragalus douglasii var. parishii R. S. Woglum 1937-5-22 576 Riverside Santa Rosa Mountains. Comment
  SEINET3127349  Astragalus douglasii var. parishii F. M. Reed 1908-7-14 2456 Riverside San Jacinto Mts., Strawberry Valley Comment
  UC13444  Astragalus douglasii var. parishii H. M. Hall 1898-7-2 971 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley (San Jacinto Mountains, Southern California) Comment
  SBBG92276  Astragalus gambelianus J. Hirshberg 1989-4-3 Riverside Santa Rosa Plateau, S of town of Murrieta, W of Mesa de Burro 609 Comment
  UCR124650  Astragalus lentiginosus var. coachellae B. C. Templeton, I. W. Clokey 1930-4-9 1072 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  POM229447  Astragalus leucolobus P. A. Munz 1937-5-30 15079 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  CAS-BOT-BC178060  Astragalus nuttallianus S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CSUSB1292  Astragalus pomonensis Heather Johnston 1967-4-9 040967 2 Riverside 1.2 miles south on Lawless Road from Route 395 exit. 50 yards up turnoff road, 5 yards from roadside (right side). 365 Comment
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Apr 6 2013
  SBBG121979  Astragalus pomonensis S. D. White, A. Carey 2004-4-16 10161 Riverside Indian Crk and adjacent slopes 549 Comment
  SEINET269558  Astragalus pomonensis Scott D. White 1996-5-27 4071 Riverside 'Badlands' Jackrabbit Canyon east of Moreno Valley and south of Calimesa between state highway 60 and Gilman Spring R 518 Comment
  UCD105190  Astragalus pomonensis Lawson 1930-3-12 s.n. Riverside Perris. Comment
  UCR25856  Astragalus pomonensis John C. Roos 1941-4-19 166 Riverside Reche Canyon. Comment
  RSA522711  Athysanus pusillus Steve Boyd, L. Arnseth, Timothy S. Ross 1990-3-29 3897 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
  UCR151410  Athysanus pusillus D. L. Banks 1997-5-1 1348 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. Pechanga Creek, east of the 'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  UCR249834  Athysanus pusillus T. B. Salvato, John Lovio 2013-3-19 7358 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  SBBG19806  Atrichoseris platyphylla J. R. Haller 1960-4-2 1527 Riverside lower slopes of Orocopia Mtns, ca. 1.5 mi S of jct of US Hwy 60-70 and the entrance rd to Joshua Tree Nat Monument 609 Comment
  SD232597  Atrichoseris platyphylla A. C. Sanders, K. Rose 1995-4-27 16734 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park. 550 Comment
  UCR60765  Atrichoseris platyphylla Orlando Mistretta 1986-3-13 1454 Riverside Sonoran (Colorado) Desert, NE of Desert Center, west side Palen Mtns. 229 Comment
  SD197733  Atriplex argentea Karin Cleary-Rose 1998-9-7 Riverside Perris-Aguanga Basin Region; San Jacinto River Valley, west edge of Hemet, east of Warren Road, south of Esplanade and north of the Tres Cerritos Hills. 459 Comment
  UCR207995  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet 305 Comment
  SD40818  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  SEINET3930590  Atriplex canescens R. L. Piemeisel 1914-9-25 4044 Riverside 4 mi. W. of Indio Rd. to Indian well.; 0 Comment
  CAS-BOT-BC170211  Atriplex canescens subsp. canescens Joseph Andorfer Ewan 1931-10-3 5227 Riverside Mockingbird Canyon near Arlington Comment
  RSA314407  Atriplex canescens subsp. canescens R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 s.n. Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA452444  Atriplex canescens var. linearis F. R. Fosberg 1940-10-4 S- 4102 Riverside Indian Wells, Coachella Valley Comment
  OBI53316  Atriplex coronata var. notatior R. A. Johnson & G. A. Ruffner, G. A. Ruffner 1990-1 Riverside Comment
  UCR66970  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2050 Riverside 2.3 km south of Perris, just east of Perris Valley Airport, c. 400 m east of N part of runway; c. 500 m south of Case Road. 433 Comment
  CAS-BOT-BC170255  Atriplex hymenelytra W. F. Anderson 1925-12-1 s.n. Riverside Indio Comment
  RSA478264  Atriplex hymenelytra E. C. Jaeger 1929-3-29 753 Riverside Painted canyon, near Mecca. 91 Comment
  RSA65388  Atriplex hymenelytra F. W. Peirson 1926-2-22 6502 Riverside Thousand-Palms Canyon; Coachella Valley Comment
  UCR274800  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-3-27 041 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  SEINET11940360  Atriplex lentiformis T. J. Crovello 1963-1 298 Riverside Just W of State Highway 111, on Avenue 64, N of Mecca Comment
  RSA24225  Atriplex linearis C. B. Wolf 1941-1-5 s.n. Riverside Colorado Desert, Caleb, (on S.P.R.R. siding) S. of Mecca. -61 Comment
  SBBG33937  Atriplex linearis L. S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  RSA478375  Atriplex polycarpa Allen 1920-10 s.n. Riverside Palm Springs. Comment
  UCR101396  Atriplex rosea A. C. Sanders, K. C. Rose 1998-9-29 22241 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  IRVC26844  Atriplex semibaccata S. D. White 2001-4-13 8322 Riverside Badlands: County landfill area north of Moreno valley; ca. 1/4 air miles NW of SR60 junction with Gilman Springs Road. Southern Coastal 595 Comment
  SEINET7986069  Atriplex semibaccata Virginia Moran 1999-2-9 No determinado Riverside Riverside, Wes Costa Thoroughbred Farm, 12150 Riverside Avenue Comment
  POM78943  Atriplex serenana I. M. Johnston 1923-7-19 s.n. Riverside Norco-Pedley Road 4 mi. SSE of Wineville. Comment
  RSA33312  Atriplex serenana N. C. Cooper 1943-10-9 957 Riverside Hemet. 304 Comment
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Apr 29 2011
  SD112543  Atriplex serenana Darley F. Howe 1952-7-14 2250 Riverside South of Lake Elsinore. Comment
  UCR98480  Avena barbata B. G. Pitzer 1997-4-1 3045 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CSUSB422  Avena fatua D. L. Heald 1966-4-5 Riverside In the front yard of D.L. Heald's residence in Arlington. 304 Comment
  UCR38254  Ayenia compacta J. M. Stewart 1985-3-16 8505 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA89967  Baccharis brachyphylla J. C. Roos 1950-10-15 5008 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  SEINET7239563 Image available Baccharis douglasii F. M. Reed 1907-9-21 1953 Riverside Riverside and vicinity Comment
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Oct 6 2017
  SEINET10617173  Baccharis emoryi David B. Dunn 1946-2-22 Dunn 1945 a Riverside Collected on north side of Whitewater, in Colorado Desert. Comment
  POM231959  Baccharis pilularis Noel Wallace 1937-11-15 s.n. Riverside Sheltered place in a canyon on N slope of Box Springs Mts. Comment
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Sep 7 2011
  UCR174351  Baccharis salicifolia A. C. Sanders 2006-5-19 32392 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
  JEPS21254  Baccharis sergiloides Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio (Carrizo Canon); Carrizo Canon 304 Comment
  CAS-BOT-BC295894  Bahiopsis parishii Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains, Northern Colo. Desert Comment
  RSA5361  Bahiopsis parishii B. D. Stark 1932-6-15 1525 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  UCD129490  Bahiopsis parishii Geoffrey Levin 1974-3-30 6 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  UCSB37915  Bahiopsis parishii Roos, John 1965-9-26 Riverside Santa Rosa Mtns. 701 Comment
  CAS-BOT-BC99970  Baileya pauciradiata Carl B. Wolf 1932-4-28 3080 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. West of Blythe on the Mecca Road 121 Comment
  RSA0030697  Baileya pauciradiata J. Andre 2013-3-27 24796 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  SD46162  Baileya pauciradiata Francia Chisaki, Howard Arnott and John Ingram 1955-4-18 631 Riverside 5.6 miles southeast of turn-off to Thousand Palms on Highway 60. Comment
  UCR108727  Baileya pauciradiata Scott D. White, S. Leatherman 1998-4-15 6295 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  UCR166014  Baileya pauciradiata 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
  SBBG45057  Bebbia juncea A. M. Alexander, L. Kellogg 1941-5-12 2158 Riverside rd to Black Eagle Mine, Eagle Mtns 777 Comment
  CAS-BOT-BC100135  Bebbia juncea var. aspera M. Bourell; R. Patterson 1987-4-14 3270 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  RSA452617  Berberis Anstruther Davidson 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  SEINET6426071 Image available Bergia texana John C. Rood 1952-1 5730 Riverside San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
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Aug 29 2016
  CAS-BOT-BC207049  Bernardia incana Annie M. Alexander; Louise Kellogg 1941-5-23 2220 Riverside Near mouth of canyon, north slope of Eagle Mountains 1371 Comment
  SD127585  Bernardia incana Robert F. Thorne, Avi Shmida and Robert Whittaker 1978-4-23 52074 Riverside North slope of Santa Rosa Mountains; Bighorn Lookout. Comment
  UC868545  Bernardia incana C. L. Hitchcock 1940-4-5 5967 Riverside 1/2 mi. above Cottonwood Springs (in canyon above Spring) Comment
  UCD142300  Bernardia incana Nancy Ryan Zabriskie; Walter Zabriskie 1972-4-9 510 Riverside Santa Rosa Mts.; small canyon NW from Hwy 74 at 81.72. 1219 Comment
  UCSB25708  Bernardia myricifolia 1968-7-16 Riverside Along Stone Crest Road, 0.5 mile north of forest boundary marker T65, R5E, SBB&M, 2.0 miles north of Pinyon Flats, Southern San Jacinto Mountains 1219 Comment
  UCR126380  Blennosperma nanum var. nanum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 689 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SEINET13297622 Image available Bloomeria crocea T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8361 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  SD137978  Bloomeria crocea var. crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, the Dorland Mountain area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground.mIn mesic chaparral. 701 Comment
  POM49150  Boechera californica P. A. Munz 1924-5-18 8136 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA477454  Boechera californica N. C. Cooper 1944-4-22 1135 Riverside Banning, 732 Comment
  JOTR30259  Boechera lincolnensis Leary, C. and Leary, Pat 1979-5-6 3026 Riverside Joshua Tree National Park. Just S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 1463 Comment
  CAS-BOT-BC14160  Boechera perennans C. L. Hitchcock 1940-4-1 5918 Riverside Cottonwood Spring wash. Comment
  LA204239  Boechera pulchra H. Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  CAS-BOT-BC25975  Boechera xylopoda Annie M. Alexander; Louise Kellogg 1941-5-19 2201 Riverside Colorado Desert. Eagle Mountains. 1.5 miles north of Cottonwood Spring. 975 Comment
  UCR102045  Boerhavia coulteri B. G. Pitzer 1997-10-19 3350 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR43369  Boerhavia intermedia R. F. Thorne, R. Dahlgren 1979-4-23 53600 Riverside Mojave and Colorado Deserts, Joshua Tree National Monument, Pinto Basin Road: along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  JOTR30685  Boerhavia triquetra Andre, Jim, Tasha La Doux 2008-9-13 10273 Riverside Joshua Tree National Park. Eagle Mountains at Joshua Tree National Park boundary, lower slopes of south end of Eagle Mtns., along aqueduct access road. 354 Comment
  UCR5613  Boerhavia triquetra O. F. Clarke 1966-10-5 661005- 10 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  JOTR32597  Boerhavia triquetra var. intermedia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2665 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
  UCR33578  Boerhavia wrightii Sears 1977-10-10 S 525 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  UC489262  Bolboschoenus maritimus C. V. Meyer 1928-8-2 626 Riverside Temecula Comment
  CAS-BOT-BC75495  Bolboschoenus maritimus subsp. paludosus Scott D. White 1996-9-22 4536 Riverside Perris. Nuevo Road near intersection with Wilson Avenue, west of the San Jacinto River crossing. 435 Comment
  UC579636  Bothriochloa barbinodis A. Lewis Apr 1934 375 Riverside sw of Corona (Cleveland National Forest, Tin Mine Canyon); Cleveland National Forest, Tin Mine Canyon 457 Comment
  RSA537263  Bouteloua aristidoides D. Atwood 1991-9-9 17077 Riverside 4.8 miles west of Chirachoa Summit along I-10. Comment
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Jun 24 2012
  UCR23966  Bouteloua aristidoides John C. Roos 1949-3-19 4110 Riverside Sonoran (Colorado) Desert, Mouth of Shaver's Wash near Mecca Comment
  RSA740924  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  HSC87004  Boykinia rotundifolia F. C. Vasek 1987-7-14 8707141 Riverside Vista Grande Road (3508) 1 mile E of Banning-Idyllwild Road (SH234) 1524 Comment
  UCR207325  Brachypodium distachyon O. F. Clarke 2006-4-24 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CLARK-A1656-822  Brandegea bigelovii Theo Glenn 1983-1-22 Riverside San Jacinto Mountains 304 Comment
  SBBG7427  Brandegea bigelovii H. and M. Dearing 1940-1-1 4060 Riverside Painted Cyn Comment
  SDSU5829  Brandegea bigelovii D. F. Howe 1952-4-27 2188 Riverside Box Canyon, east of Mecca. Comment
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Jan 24 2013
  UC193128  Brandegea bigelovii E. E. Schellenger 1894-12-3 87 Riverside Colorado Desert, Chuckwalla Wash Chuckwalla Wash; Colorado Desert, Chuckwalla Wash Comment
  UCR166551  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  CSUSB495  Brassica geniculata Karen Cook 1966-5-12 S. N. Riverside Roadside waste area on highway 60 to San Jacinto Rd. 1/4 mile from Hemet-San Jacinto turnoff from Highway 60 (from Riveside to Banning) 304 Comment
  UCR201682  Brassica geniculata Scott D. White, Justin M. Wood 2008-5-15 11991 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA0034839  Brassica geniculata Norman C. Cooper 1944-5-19 1275 Riverside Banning. 701 Comment
  JOTR30924  Brickellia atractyloides var. arguta La Doux, Tasha, Bill Truesdell 2008-4-29 2599 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Open rocky slope above Johnny Lang Canyon, northwest of Lang Mine (Stop 9) 1356 Comment
  UCR91653  Brickellia californica D. L. Banks, Steve Boyd 1995-10-26 0832 Riverside NW Palomar Mtns, Agua Tibia Mtns, along the Woodchuck Trail, c. 0.7 mi. from the Wilderness Boundary 713 Comment
  POM301772  Brickellia desertorum J. Cole 1942-5-19 960 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  RSA700108  Brickellia desertorum Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  JOTR32320  Brickellia incana Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA70166  Brodiaea filifolia F. W. Peirson 1930-5-10 8772 Riverside 1 mile east of Perris 457 Comment
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Nov 15 2007
  UCR48380  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  SBBG54317  Brodiaea orcuttii C. Davidson 1977-5-25 5654 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
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Oct 31 2016
  SD114890  Brodiaea terrestris subsp. kernensis Earl W. Lathrop 1979-5-16 Riverside Mesa de Colorado, 6 miles west, Murrieta. About vernal pools, border of pools in the grassland. (IPB 2/08) Comment
  RSA682175  Bromus berteroanus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky, Timothy S. Ross 2003-4-17 10455 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
  SEINET186317 Image available Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside Edge of sandy wash 2 mi. north of Cottonwood Springs Eagle Mountains 914 Comment
  RSA0014446  Bromus carinatus Justin M. Wood 2010-3-4 1417 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  SDSU17526  Bromus catharticus Jerry Jenkins 2001-4-3 2001 -041 Riverside Santa Margarita Ecological Reserve. Organ grove near station, UTM zone 6, 482100E, 3699050N. UTM transfered to GIS. Comment
  RSA0014445  Bromus diandrus Justin M. Wood 2010-3-4 1418 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  UCR102758  Bromus diandrus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3581 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR96873  Bromus hordeaceus Scott D. White 1993-4-30 1310 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA326156  Bromus orcuttianus var. hallii John F. Emmel 1981-5-25 7769 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  POM10016  Bromus rubens C. F. Baker 1909-05 s.n. Riverside Riverside. Comment
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Jun 30 2012
  UCD59895  Bromus tectorum Alan A. Beetle 1946-6-10 4400 Riverside San Jacinto Mt., Camp Keene Meadow. Comment
  UCR232025  Caesalpinia gilliesii John F. Green 2008-4-24 13- 10 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  CHSC852  Caesalpinia virgata V. Holt 1942-3-29 Riverside Indio. 152 Comment
  JOTR31864  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA444310  Caesalpinia virgata Walter Wisura 1988-3-1 4181 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA799249  Caesalpinia virgata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 729 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
  UC499722  Caesalpinia virgata Roxana S. Ferris and R. Bacigalupi 1932-4-30 8243 Riverside in canyon between Shaver's Well and Mecca Comment
  UCR109560  Caesalpinia virgata R. D. Goeden, Don W. Ricker 1980-3-20 s.n. Riverside Western Colorado Desert, Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  UCR33635  Caesalpinia virgata Sears 1978-3-18 951 Riverside Sonoran (Colorado) Desert, foothills of the Orocopia Mtns, 10 mi NE of Durmid on Railroad road 305 Comment
  RSA524234  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4042 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR16503  Calandrinia ciliata Joe Buriel 1966-3-18 s.n. Riverside Riverside, off Mockingbird Canyon Road, 1.5 mi south of Van Buren turnoff 457 Comment
  UCR91229  Calandrinia ciliata G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  CLARK-A1045-62  Callitriche marginata George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA357753  Callitriche marginata R. F. Thorne 1973-5-23 43842 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  CAS-BOT-BC85771  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA572048  Calocedrus decurrens C. Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mountains; on mountainside. 1584 Comment
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Sep 22 2013
  UC3383  Calochortus concolor H. M. Hall 1897-7-30 962 Riverside El Toro Mt. San Jacinto Mts. 2529 Comment
  CAS-BOT-BC488543  Calochortus concolor Philip A. Munz; P. C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  POM12709  Calochortus invenustus Philip A. Munz 1922-6-27 5856 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  RSA582824  Calochortus palmeri var. munzii Mark Elvin, Orlando Mistretta 1995-6-1 43 Riverside San Jacinto Mountains: Garner Valley, off Fobes Ranch Road. 1375 Comment
  CLARK-A1528-20  Calochortus splendens C. M. Flanagan 1973-5-31 OO 613 Riverside Morongo Indian Reservation Comment
  POM17810  Calochortus splendens Philip A. Munz, D. D. Keck 1923-6-14 7094 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  UCR156087  Calochortus splendens T. B. Salvato, Kent Beaman 2005-5-16 808 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
  UC1563116  Calochortus weedii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-11 3720 Riverside w end Vail Lake (sw of dam, Vail Lake area) 487 Comment
  SEINET12045038  Calochortus weedii C. B. Wolf 1941-1 10899 Riverside Santa Ana Mts. Ortega Hwy, 0.3 mi E of its summit 762 Comment
  GMDRC2050  Calycoseris parryi J. Andre 2006-4-26 6768 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  JOTR29598  Calycoseris parryi Andre, Jim 2006-4-26 6755 Riverside Joshua Tree National Park. abpit 0.5 mi. NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  SD167060  Calyptridium monandrum A. C. Sanders, T. B. Salvato 2005-4-28 29768 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  SEINET3088878 Image available Calyptridium monandrum Scott White 1991-5-10 91 -126 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR60246  Calyptridium monandrum R. F. Thorne, M. Z. Thorne 1973-3-30 42685 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
  UCR86876  Calyptridium monandrum A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16242 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  SEINET215201  Calystegia J. C. Lee 1966-4-9 24 Riverside Highway 74, Elsinore. 305 Comment
  CLARK-A1528-7873  Calystegia longipes John C. Roos 1952-6-8 5747 Riverside Reche Canyon 579 Comment
  UCR120957  Calystegia macrostegia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23887 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR116511  Calystegia macrostegia subsp. arida A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20669 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR193302  Calystegia occidentalis subsp. fulcrata A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35598 Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR115933  Calystegia sepium subsp. binghamiae Mitch Provance, Steve D. Boyd 1999-9-14 1780 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  CAS-BOT-BC199285  Calystegia sepium subsp. limnophila J. C. Roos; A. R. Roos 1950-8-7 4919 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UC1602147  Camissonia Philip A. Munz 1926-1-31 9973 Riverside Dos Palmos Spring Colorado Desert Comment
  UCR117648  Camissonia Scott D. White 1995-8-23 3586 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA466981  Camissonia bistorta M. B. Dunkle 1933-5-6 3396 Riverside Colorado Desert. Dry Morongo Creek Comment
  RSA612487  Camissonia bistorta D. L. Banks 1997-2-23 1330 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA465932  Camissonia bistorta E. C. Jaeger s.n. Riverside [No location information on label.] Comment
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Nov 6 2011
  UCR50880  Camissonia boothii A. C. Sanders 1988-5-11 7801 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA776944  Camissonia brevipes Amber Swanson 2011-3-19 237 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  POM250400  Camissonia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6763 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  RSA466212  Camissonia brevipes subsp. brevipes H. de Forest, Jack Rempel 1935-4-14 s.n. Riverside Mojave Desert. Lost Horse Valley and Pinto Basin. Comment
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Jan 8 2017
  SEINET7072826  Camissonia californica A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  UCR214325  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR227000  Camissonia californica Jim Andre 2011-2-2 16221 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR82896  Camissonia cardiophylla A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15813 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SEINET10492049  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-2-9 Dunn 2846 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  UCR148323  Camissonia claviformis John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  RSA135226  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11417 Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
  RSA679111  Camissonia confusa M. Wall, Sean Wall 2003-4-6 260 Riverside San Jacinto Valley, vacant lot off Ramona Expressway at Donna Ave. adjacent to Soboba Health Clinic. Property for sale for commercial development. 506 Comment
  UCR18523  Camissonia confusa A. C. Sanders 1978-6-11 453 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA192048  Camissonia hirtella E. W. Lathrop 1959-5-29 4584 Riverside 14 mi. W. of Murrieta. Comment
  UCR58487  Camissonia hirtella Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  RSA770290  Camissonia pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4750 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 W116.65131 604 Comment
  SEINET242054  Camissonia pallida A. C. Sanders 2001-3-20 23854 Riverside Western Colorado Desert: Coachella Vly, Garnet, N side of 19th Ave, 0.5 mi (air) NW of intersxn of I-10 and Indian Ave. 235 Comment
  POM14084  Camissonia pallida subsp. pallida P. A. Munz, D. Keck 1922-4-14 4978 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM46820  Camissonia pallida subsp. pallida Mary F. Spencer 1920-3-29 1452 Riverside In desert sand, Palm Springs, Colorado Desert. 137 Comment
  UCR86867  Camissonia refracta A. C. Sanders, K. Rose 1995-4-27 16743 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
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UCSB4439  Camissonia strigulosa Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  UCR166109  Camissoniopsis A. C. Sanders, N. Ferguson 1994-6-2 14630 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 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
  SBBG101667  Camissoniopsis intermedia S. Boyd 1991-5-20 6273 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  UCR99563  Cardamine B. G. Pitzer 1996-12-8 2935 Riverside Upper Santa Ana River/San Bernardino Valley Region, City of Riverside, UCR campus, lawn in front of Riverside Campus Federal Credit Union, on Canyon Crest Dr. 335 Comment
  RSA613141  Cardamine hirsuta D. L. Banks 1997-3-6 1411 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  UCR109623  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1972-5-11 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  RSA495446  Carex Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2974 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SD232128  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  SEINET10954770  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4663 Riverside Vail Lake Area, Arroyo Seco drainage, canyon bottom at north base of Wild Horse Peak, southeast of Dripping Springs Campground of Cleveland National Forest. T8S, R1W, N 1/2, Sec 26. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Comment
  CAS-BOT-BC34440  Carex deflexa var. boottii Peter H. Raven 1959-5-17 14228 Riverside San Jacinto Mountains. Lake Fulmore. Comment
  CAS-BOT-BC20701  Carex fracta C. Epling; Wm. Robison 1935-6-29 s.n. Riverside Mt San Jacinto. Marion Peak. Comment
  CAS-BOT-BC20707  Carex fracta Peter H. Raven; R. Snow 1957-7-26 11109 Riverside San Jacinto Mountains. Just below Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  RSA88679  Carex lemmonii F. W. Peirson 1924-7-27 6024 Riverside Deer Spring, Dark Canyon, San Jacinto Mountains. 2439 Comment
  CAS-BOT-BC94052  Carex senta Peter F. Zika; Nick Otting 2010-8-3 25248 Riverside vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges 2550 Comment
  RSA621504  Carex spissa Darin L. Banks 1997-11-15 2197 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  SD37198  Carex subfusca Darley F. Howe 1941-6-9 Riverside San Jacinto Mountains Comment
  RSA783581  Castela emoryi M. Wall, Valentin Arvizu 2011-6-1 605 Riverside ENE of Desert Center, plants near a power line maintenance road ca. 3.0 miles SE of junction with Rice Rd. (Hwy. 177) 181 Comment
  POM12217  Castilleja applegatei subsp. martinii Mary F. Spencer 1921-7-1 1669 Riverside Idyllwild. 1616 Comment
  RSA773670  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1093 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  SBBG120069  Castilleja exserta A. C. Sanders with K. Volansky 2005-3-17 29212 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SBBG35075  Castilleja exserta T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  UC26427  Castilleja foliolosa Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  POM312155  Castilleja minor subsp. spiralis N. C. Cooper 1194 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  CLARK-A1528-317  Catalpa speciosa Oscar F. Clarke 1968-5-21 Riverside Hemet Comment
  UCR19707  Caucalis microcarpa John C. Roos 1952-4-9 5502 Riverside Riverside, W face of Mt. Rubidoux 400 Comment
  JOTR35488  Caulanthus hallii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3176 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UC1584127  Caulanthus heterophyllus Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3846 Riverside cinder cone ridge at n side of mouth of Temecula Creek Canyon and adjacent benches on s flank Big Oak Mountain; Vail Lake Area, n side Mouth Temecula Creek Canyon 396 Comment
  UCR120846  Caulanthus lasiophyllus var. rigidus D. E. Bramlet 1999-4-18 2736 Riverside Gavilan Hills, Lake Mathews-Estelle Mtn. Reserve, Cajalco Bend area, 107 m south of Cajalco Rd. and 1.37 km west of Lake Mathews Dr. 341 Comment
  UC1594223  Ceanothus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3098 Riverside 1 mi W of Vail Lake 609 Comment
  POM19808  Ceanothus cordulatus Mary F. Spencer 1923-6-27 2188 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  CDA38680  Ceanothus crassifolius Mike Lahti 2013-3-13 PDR# 331 P06141908 Riverside Nuevo; 22070 Horseshoe Trail near Stagecoach Road. 0 Comment
  RSA562618  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-1 7722 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA606768  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27358 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SD140013  Ceanothus crassifolius Scott White 1993-4-22 1329 Riverside North Alberhill Ranch, in hills N of Walker Canyon 487 Comment
  CAS-BOT-BC51283  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. above Fish Hatchery 792 Comment
  RSA399768  Ceanothus leucodermis H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  RSA583614  Ceanothus leucodermis Steve Boyd, Darin Banks 1995-3-30 8409 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  RSA16499  Ceanothus oliganthus Percy C. Everett 1935-6-18 7208 Riverside 0.5 mi. below (N) Main Divide motorway. 1280 Comment
  RSA398912  Ceanothus oliganthus Anstruther Davidson 1921-4-1 3406 Riverside Banning. Comment
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Mar 27 2011
  RSA606750  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27408 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UCR89467  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7893 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  RSA399915  Ceanothus palmeri N. C. Cooper 1949-6-29 4348 Riverside Pine Cove. 1829 Comment
  CAS-BOT-BC51921  Ceanothus perplexans Paul F. Covel 1938-4-21 1175 Riverside On grade bet. Idyllwild - Hemet Comment
  CAS-BOT-BC51927  Ceanothus perplexans H. M. Hall 1901-6-1 2156 Riverside Eastern base, along the borders of the Colorado Desert Comment
  UC218105  Ceanothus perplexans P. A. Munz 1922-7-3 5959 Riverside S slopes of Santa Rosa Mountains 1676 Comment
  RSA503403  Centaurea melitensis J. D. Olmsted 1962-5-10 3613 Riverside L. Matthews Rd ca. 0.5 mi. W of dam. 427 Comment
  UCR23674  Centaurea repens John C. Roos 1965-9-21 s.n. Riverside Riverside, Arlington area Comment
  POM9798  Centaurium exaltatum H. D. Collins 1921-11-19 s.n. Riverside Santa Ana River, 3 miles N of Mt Rubidoux. Comment
  RSA680525  Cerastium fontanum subsp. vulgare Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8648 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek, i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCD98025  Cerastium glomeratum L. G. Benedict 1929-5-6 s.n. Riverside San Jacinto. Comment
  LA47755  Cercocarpus betuloides L. Haines; L. Erickson 1937-4-10 sn Riverside Palms to Pines Highway Comment
  OBI5880  Cercocarpus betuloides Carl B. Wolf 1931-5-11 1950 Riverside Above Hemet Valley, San Jacinto Mts 1695 Comment
  RSA210970  Cercocarpus betuloides C. W. Tilforth 1969-7-25 220 Riverside North end of Coyote Canyon, SE of Anza. Comment
  UC1366099  Cercocarpus betuloides var. betuloides K. R. Montgomery 1969-9-6 47 Riverside 18 mi s of Hemet (Wilson Valley Road) 1097 Comment
  UC894410  Chaenactis artemisiifolia E. C. Jaeger 1922-6-23 Riverside w slope of San Jacinto Mts. San Jacinto Mts. 1005 Comment
  CAS-BOT-BC276391  Chaenactis carphoclinia E. C. Jaeger No date on label s.n. Riverside Eagle Canyon Comment
  CAS-BOT-BC276419  Chaenactis carphoclinia Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13256 Riverside US Gypsum mine property in Little Maria Mountains, 2.3 miles above Midland post office Comment
  CDA7360  Chaenactis carphoclinia G. D. Barbe, T. C. Fuller 1973-2-27 1058 Riverside 1.3 miles east of Coachella Canal on Highway 195, Box Canyon Wash, east of Mecca. 0 Comment
  SEINET9118568  Chaenactis carphoclinia D. Myrick 1966-1 1349 Riverside Desert Hot Springs, desert slope adjoining Linda Vista Lodge. Comment
  RSA457778  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2210 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  POM351697  Chaenactis fremontii Ora M. Clark 1929-3-16 1694 Riverside South of Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA79179  Chaenactis fremontii Philip A. Munz, Percy C. Everett 1952-5-2 16236 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCD130323  Chaenactis fremontii James Henrickson 1963-3-29 1203 Riverside 9 miles E of Mecca, along Highway 195. 182 Comment
  UCR116802  Chaenactis fremontii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23932 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR167061  Chaenactis fremontii Scott D. White 2005-3-29 10837 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  SEINET2049370 Image available Chaenactis glabriuscula Scott White 1991-5-13 91 -115 Riverside Hwy. 79, immediately W of U.S. Forest Service Campground at Dripping Springs. T8S, R1W, sec. 22. 549 Comment
  SEINET3224410  Chaenactis glabriuscula G. Goodwin 2012-6-15 3464 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR187501  Chaenactis glabriuscula Theresa Johnson 2006-5-11 097 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  UCR22117  Chaenactis glabriuscula Steve Boyd 1980-5-15 283 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR34888  Chaenactis glabriuscula L. B. Ziegler 1966-6-23 057 Riverside San Jacinto Mtns., Thomas Mountain 1982 Comment
  RSA60733  Chaenactis glabriuscula var. glabriuscula Frank W. Gould 1943-4-17 2107 Riverside 12 miles south of Corona on road to Elsinore. Comment
  UC894473  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi nw of Elsinore 457 Comment
  CAS-BOT-BC277556  Chaenactis glabriuscula var. lanosa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  POM12915  Chaenactis parishii Philip A. Munz 1922-6-26 5835 Riverside Road to Santa Rosa. 1738 Comment
  RSA781397  Chaenactis stevioides Duncan S. Bell 2010-5-1 913 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  RSA770642  Chamaesyce R. F. Thorne 1966-10-15 41792 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  JOTR16668  Chamaesyce albomarginata Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  RSA432416  Chamaesyce ocellata M. B. Dunkle 1933-3-4 3061 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SBBG67729  Chamaesyce platysperma M. N. Ackley -Feb-1926 350 Riverside near Edom 64 Comment
  RSA777345  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4709 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  RSA793529  Chamaesyce polycarpa Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3952 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  RSA432469A  Chamaesyce polycarpa var. hirtella Christopher Davidson 1979-4-4 7680 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA637510  Chamaesyce polycarpa var. hirtella Scott D. White 1999-4-21 7247 Riverside East end of Coachella Valley: Bajada between little San Bernardino Mts. and Indio hills. 183 Comment
  RSA433506A  Chamaesyce polycarpa var. polycarpa Ora M. Clark 1929-3-2 1593 Riverside Near Alberhill Comment
  RSA0042377  Chamaesyce setiloba Duncan S. Bell, LeRoy Gross 2014-3-13 6240 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA770639  Chamaesyce setiloba R. F. Thorne 1966-10-15 41779 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA778526  Chamaesyce setiloba Amber Swanson, Linda Jean Foster 2011-10-8 630 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  RSA633876  Cheilanthes covillei R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38136 Riverside San Jacinto Mountains: San Bernardino National Forest. Hilltop above Lake Fulmor. 1676 Comment
  UC42441  Cheilanthes covillei Mrs. Gregory 1891-1 Riverside San Jacinto Mts Comment
  UCR125199  Cheilanthes newberryi Mitch Provance 1998-5-24 529 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  IRVC18651  Cheilanthes parryi Sandy Knapp 1979-4-12 s.n. Riverside Palm Springs; Chino Canyon. Sonoran Desert Comment
  CAS-BOT-BC70382  Cheilanthes viscida J. G. Lemmon April - May 4 Riverside Downieville Buttes and bluffs of White Water River on the Colorado Desert Comment
  UC56772  Chenopodium album H. M. Hall 1902-8-6 2652 Riverside Vicinity of Riverside 457 Comment
  RSA500064  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3247 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA750735  Chenopodium californicum Scott D. White, Justin M. Wood 2009-5-22 12900 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR126942  Chenopodium glaucum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  UCR266459  Chenopodium missouriense Mitch Provance 2012-11-9 612 51 Riverside San Bernardino Valley, Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  UCR21961  Chenopodium murale Steve Boyd 1980-5-5 200 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR113609  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23719 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  UCR64098  Chilopsis linearis Karen Bellinfante 1989-6-1 01 Riverside San Jacinto, Soboba Rd 0.5 mi east of intersection with Sanderson (Hwy 79) 549 Comment
  SEINET12271194  Chilopsis linearis L. S. Rosa 1936-1 36793 Riverside Palm Canyon Desert Comment
  IRVC28188  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, along Gas Line Road in major wash system W of Iris Wash drainage. Within boundary of US Navy Choclate Mtn Aerial Gunnery Range Colorado Desert 570 Comment
  LA204142  Chilopsis linearis subsp. arcuata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9582 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  RSA701160  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 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
  UCR140310  Chloracantha spinosa Stan C. Spencer 2004-8-4 s.n. Riverside San Jacinto Valley, Hemet-Ryan Airport, SW of Hemet near intersection of Warren Rd. and Stetson Ave., west end of airport 457 Comment
  CDA1889  Chloris truncata E. Storm 1978-11-9 Riverside Nunes Turfgrass nursery, 30611 Leon Road, Winchester. 0 Comment
  CAS-BOT-BC184873  Chloris virgata S. B. Parish 1913-2-26 8461 Riverside Salton Basin. Mecca. -57 Comment
  JEPS73976  Chloris virgata S. B. Parish 1913-2-28 8461 Riverside Mecca; Salton Basin, Mecca -57 Comment
  RSA457793  Chorizanthe brevicornu Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2195 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR140289  Chorizanthe coriacea A. C. Sanders 2004-4-9 27451 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA517910  Chorizanthe corrugata Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1315 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. 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
  SD181401  Chorizanthe fimbriata Scott D. White 2000-5-3 7763 Riverside Temecula area: near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly south of Red Hawk subdivision 351 Comment
  UCR48414  Chorizanthe leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA65160  Chorizanthe leptotheca F. W. Peirson 1925-5-20 6012 Riverside Aguanga Comment
  UCR280973  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 77 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  UCR93059  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR167080  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 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR174426  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32512 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
  UCR217518  Chorizanthe parryi var. parryi Lee A. Ripma 2008-5-12 96 Riverside Perris-Aguanga Basin, Diamond Valley Lake, 1.6 km southeast of the intersection of Warren Rd and Simpson Ave. Hilltop. 657 Comment
  UCR22053  Chorizanthe polygonoides subsp. longispina Steve Boyd 1980-4-27 146 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  CAS-BOT-BC257784  Chorizanthe polygonoides var. longispina A. C. Sanders; T. B. Salvato 2011-4-4 38973 Riverside Peninsular Range: Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR251300  Chorizanthe polygonoides var. longispina T. B. Salvato, Mike Landers 2013-3-21 7414 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  JOTR36451  Chorizanthe rigida La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3421 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UC1018190  Chorizanthe rigida J. Warren 1952-4-6 Riverside Palm Springs 457 Comment
  VVC2475  Chorizanthe rigida Tim Thomas 2013-3-18 5943 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UC1595619  Chorizanthe staticoides Steve Boyd 1991-5-20 6270 Riverside nw Lake Elsinore (Lower Rice Canyon, just inside Cleveland National Forest boundary, Santa Ana Mountains); Santa Ana Mountains, Cleveland Nat For, nw Lake Elsinore 573 Comment
  UCR16970  Chorizanthe staticoides D. H. Wilken 1965-6-29 390 Riverside San Jacinto Mtns, W end of Hemet Valley (Garner Valley), near Lake Hemet 1372 Comment
  CAS-BOT-BC248062  Chorizanthe xanti var. leucotheca J. H. Thomas 1949-4-24 462 A Riverside About 2 miles east of Whitewater, off of highway to Morongo Lodge. About 17 miles east of Banning Comment
  SEINET10445993 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-1 18308 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  UCR89685  Chrysothamnus paniculatus Bern Schwenn 1993-9-14 s.n. Riverside Joshua Tree National Monument, Cottonwood Mtns, Pinkham Canyon in the wash, west of Cottonwood Springs. 1067 Comment
  UCSB4508  Chylismia brevipes Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  UCD103886  Chylismia claviformis Shirley C. Tucker 1957-3-10 3957 Riverside S of Mecca. Comment
  CAS-BOT-BC160605  Chylismia claviformis subsp. aurantiaca Javier Penalosa 1963-4-10 s.n. Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  JOTR38693  Chylismia claviformis subsp. claviformis Hodges, Stephen R. 2017-2-7 709 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  CAS-BOT-BC289646  Cirsium occidentale var. californicum H. M. Hall 1901-6-1 2286 Riverside Vicintiy of Chalk Hill, San Jacinto Mountains 1584 Comment
  CAS-BOT-BC289650  Cirsium occidentale var. californicum John Thomas Howell 1931-6-4 6645 Riverside Summit of Jackrabbit Trail Comment
  HSC84150  Cirsium occidentale var. californicum A. C. Sanders, B. Pitzer 1987-4-21 7048 Riverside Box Springs Mountains, near southernmost radio towers. 793 Comment
  RSA0070672  Cirsium occidentale var. californicum Duncan S. Bell, Jeffrey Morawetz, Kathleen Ashbaker 2010-6-28 1432 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1388 Comment
  RSA752785  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2009-5-21 12836 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SEINET2050010 Image available Cirsium occidentale var. californicum Diane C. Wald 1967-4-30 Riverside Bernasconi Hills near Lakeview, on a drier slope directly above a north-facing ravine next to Big Rock. 503 Comment
  UC30787  Cirsium occidentale var. californicum H. M. Hall 1901-6-1 2286 Riverside vicinity of Chalk Hill San Jacinto Mountains 1584 Comment
  UC489228  Cirsium scariosum var. congdonii C. V. Meyer 1928-7-1 617 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  UCR178415  Cirsium vulgare John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  CAS-BOT-BC438849  Cistanthe monandra L. R. Abrams 1926-3-26 11038 Riverside Palm Springs Comment
  CAS-BOT-BC438863  Cistanthe monandra Elizabeth McClintock 1958-4-3 s.n. Riverside Near southern entrance to Joshua Tree National Monument Comment
  UCR233281  Clarkia dudleyana T. B. Salvato, Richard Camacho 2011-6-12 5491 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
  RSA526507  Clarkia epilobioides Steve Boyd, T. S. Ross 1990-5-11 4702 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  CSUSB234  Clarkia purpurea subsp. quadrivulnera Leland R. Dykes 1962-4-22 41 Riverside Along state highway 71, 7 miles south of Corona Comment
  SBBG93070  Clarkia purpurea subsp. quadrivulnera G. Ballmer 1990-5-5 Riverside NE edge of San Jacinto Potrero Land grant, on a low ridge extending S into the valley 609 Comment
  UCR268275  Clarkia rhomboidea Jim Andre 2012-6-15 30537 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  CLARK-A1528-3372  Clarkia unguiculata John C. Roos, Lucille Roos 1952-4-28 5587 Riverside Fairmount Park 259 Comment
  CLARK-A1528-648  Clarkia unguiculata Frank Ambrey 1959-4-26 Riverside Riverside Comment
  UCR162841  Claytonia parviflora S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR178013  Claytonia parviflora Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 025 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA586801  Claytonia parviflora subsp. parviflora D. L. Banks, Steve Boyd 1995-5-3 0239 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
  POM11521  Claytonia parviflora subsp. utahensis P. A. Munz 1922-6-30 5909 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  SBBG34198  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  CAS-BOT-BC91330  Clematis lasiantha Elisabeth Norland 1941-12-2 11198 Riverside Santa Ana Mountains, Main Divide Motorway. Comment
  UCSB9460  Clematis lasiantha Lloyd, Robert 1959-4-17 Riverside 4 miles south of West Corona on the Oak Flats Fire Road; Santa Ana Mt. Range 381 Comment
  RSA666641  Clematis pauciflora A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24990 Riverside The Badlands: marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. 670 Comment
  UC1125907  Clematis pauciflora R. St. John 1931-2-19 186 Riverside w. Elsinore; Elsinore Quad. Comment
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Nov 27 2011
  RSA663837  Cleome isomeris C. R. Annable, Lee Barron 1995-3-11 2268 Riverside Cactus City rest stop on I-10. Comment
  POM93721  Cleome isomeris Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  CAS-BOT-BC214182  Clinopodium chandleri H. D. Ripley; R. C. Barneby 1940-1-19 2752 Riverside Saxman Grade, Elsinore Mts. 1100 Comment
  UCR169400  Cnicus benedictus T. B. Salvato, John F. Green 2004-5-27 610 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
  RSA0117430  Collinsia concolor Steve D. Boyd 1995-4-24 8478 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail southeast of its junction with the Dripping Springs Trail. 610 Comment
  UCR78443  Collinsia parryi Scott D. White 1993-4-22 1234 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
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Nov 27 2007
  UCR3242  Conium maculatum Bob Brownell 1964-5-15 s.n. Riverside [Live] Oak Canyon, on Riverside/San Bernardino County line. [near Yucaipa] 549 Comment
  RSA794038  Convolvulus aridus Dorothy Cowper 1972-4-15 1851 Riverside Near spring above SBCM dig by Pulgas Creek Road, Rancho 915 Comment
  UCR201428  Convolvulus arvensis Scott D. White, Justin M. Wood 2008-6-17 12162 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR2967  Convolvulus arvensis Patricia Gavin 1963-5-4 5-4-63- 3 Riverside Riverside, on Canyon Crest Road, 25 ft. from Monte Vista Road Comment
  UCR214852  Convolvulus simulans Crystal Sheehan 2010-5-10 46 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  RSA784734  Conyza coulteri Duncan S. Bell 2012-3-18 3201 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA741569  Conyza floribunda Justin M. Wood 2008-9-22 162 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC1746494  Conyza floribunda A. C. Sanders, Mitch Provance, T. Salvato, O. F. Clarke 1999-10-5 23134 Riverside E edge of UCR campus; Riverside; new O.F. Clarke residence on Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  SFV13135  Cordylanthus rigidus subsp. setigerus M. J. Thor 1982-9-16 124 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  SFV20151  Cordylanthus rigidus subsp. setigerus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .5 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  CAS-BOT-BC287879  Coreopsis californica L. R. Abrams 1941-4-24 13932 Riverside Palm Springs railroad station Comment
  UC62877  Coreopsis californica var. californica H. M. Hall 1902-4-4 2960 Riverside Southern California Comment
  HSC5414  Coreopsis douglasii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23091 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  SDSU4689  Corethrogyne filaginifolia H. Wedberg 1962-7-28 982 Riverside About 7 miles from Hemet on the road to Mountain Center. 610 Comment
  UCR90316  Cotula australis F. M. Reed 1919-4-1 4102 Riverside South Coast; San Bernardino Valley, Riverside; Terraces Ranch, 547 Chicago Ave. near Arroyo Tequesquite 290 Comment
  RSA614125  Cotula australis D. L. Banks 1997-2-23 1292 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  HSC85412  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA394725  Crassula connata Barbara Shervanick 1973-2-18 645 Riverside [San Jacinto Mtn. foothills] Palm Springs, end of Raquet Club Road 1/2 mile from aerial tramway. 366 Comment
  UCR112590  Crassula connata A. C. Sanders 1998-3-11 21692 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  UCR196894  Crassula connata A. C. Sanders, T. B. Salvato 2008-2-19 34425 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  CLARK-A1656-744  Crassula erecta Theo Glenn 1979-3-4 Riverside Snow Creek Comment
  UCR116933  Cressa truxillensis A. C. Sanders, D. Malueg 2001-5-17 24362 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR235058  Cressa truxillensis A. C. Sanders, John F. Green 2012-5-27 40204 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  NY268554  Crossosoma bigelovii C. B. Wolf 1937-5-4 8525 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 1 mi. below San Bernardino Co. line. 609.6 Comment
  UCR102749  Crossosoma bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3562 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  JEPS52464  Croton californicus W. L. Jepson 1901-5-17 1217 Riverside Riverside Comment
  JOTR29573  Croton californicus Andre, Jim 2006-4-26 6777 Riverside Joshua Tree National Park. ridgetop, w. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner of boundary of park 1324 Comment
  RSA341996  Croton californicus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54120 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  UCR117094  Croton californicus A. C. Sanders, T. B. Salvato 2001-5-16 24292 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR187280  Croton californicus Diane Menuz, Theresa Johnson 2006-6-15 157 Riverside Peninsular Range; San Jacinto Mtns, San Bernardino National Forest, Bautista Canyon, just off the road c. 1/2 mile below Bautista Spring 762 Comment
  POM87122  Croton californicus var. mohavensis Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  SDSU13010  Croton setiger Michael G. Simpson 1999-10-27 2055 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  POM46809  Cryptantha angustifolia Mary F. Spencer 1920-3-24 1517 Riverside Near Indio. Colorado Desert. 91 Comment
  RSA336130  Cryptantha angustifolia R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52041 Riverside Just E of Palm Desert. Comment
  RSA611016  Cryptantha angustifolia N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Coachella Comment
  RSA760787  Cryptantha angustifolia Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-21 153 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  RSA796326  Cryptantha angustifolia Duncan S. Bell 2009-4-18 210 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UC196600  Cryptantha angustifolia Joseph Grinnell 1910-3-17 Riverside Colorado River Riverside Mt. Comment
  UC517552  Cryptantha angustifolia John Thomas Howell 1928-3-11 3437 Riverside 6 mi se Garnet Station; Colorado Desert 152 Comment
  UC857056  Cryptantha angustifolia Lewis S. Rose 1938-2-1 38007 Riverside 10 mi e Desert Center 30 Comment
  UCR216224  Cryptantha angustifolia Jim Andre, T. La Doux 2009-2-25 10820 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR275514  Cryptantha barbigera D. E. Bramlet 2010-3-1 4453 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA0094855  Cryptantha barbigera var. fergusoniae Jim M. Andre 2012-4-11 20681 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  CAS-BOT-BC227861  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  RSA777535  Cryptantha decipiens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 915 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  CAS-BOT-BC218763  Cryptantha holoptera A. C. Sanders; T. B. Salvato 2000-5-16 23391 Riverside Colorado Desert: Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon; where large wash crosses under powerlines. 30 Comment
  SEINET7073407  Cryptantha intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UC79456  Cryptantha intermedia C. R. Orcutt 1890-7-20 Riverside Hemet Valley Comment
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Mar 24 2011
  UCR142239  Cryptantha intermedia June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR20847  Cryptantha intermedia 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
  UCR234316  Cryptantha intermedia A. C. Sanders, John F. Green 2012-3-20 39971 Riverside Peninsular Range; Gavilan Hills Area, eastern side of city of Lake Elsinore, off Hwy 74 near Crater Dr. 446 Comment
  UCR43176  Cryptantha intermedia B. G. Pitzer, Karen Kirtland 1986-5-6 0212 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  UCR91869  Cryptantha intermedia A. C. Sanders, J. Goetzen 1996-5-1 18136 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA771753  Cryptantha intermedia var. intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4630 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA782530  Cryptantha intermedia var. intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38373 Riverside 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. 465 Comment
  RSA0075624  Cryptantha intermedia var. johnstonii F. W. Peirson 1918-03 1020 Riverside Field near Indio. Comment
  SDSU21016  Cryptantha juniperensis A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of 1-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. (Lake Mathews 7.5'). Sandy benches above wash. 317 Comment
  UC1606965  Cryptantha maritima Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52033 Riverside Palms to Pines Highway San Jacinto Mountains, Chino Canyon Comment
  UCR38249  Cryptantha maritima J. M. Stewart 1985-2-24 8501 Riverside Sonoran (Colorado) Desert, Coachella Valley, south of Pushawalla Palms Oasis, Indio Hills Comment
  RSA0039698  Cryptantha micrantha J. M. Andre 2013-3-27 24798 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  IRVC27448  Cryptantha micromeres A. C. Sanders, Steven R. Hill 2001-5-4 24129 Riverside 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 C. Rd. Santa Ana Mtns. region 488 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
  RSA781251  Cryptantha nevadensis var. nevadensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside 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 204 Comment
  RSA0120468  Cryptantha oxygona Duncan S. Bell 2016-4-16 9313 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC1168705  Cryptantha pterocarya Peter H. Raven 1958-3-16 11854 Riverside below Cottonwood Springs; Joshua Tree National Monument Comment
  GMDRC2046  Cryptantha utahensis J. Andre 2006-4-26 6765 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA0126639  Cryptantha utahensis Duncan S. Bell 2016-3-4 8798 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA499801  Cryptantha utahensis Christopher Davidson 1973-4-19 1987 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  UCR157660  Cryptantha utahensis A. C. Sanders 1995-4-13 16496 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCR252229  Cucurbita foetidissima Marissa Manahan 2011-5-28 s.n. Riverside Box Springs Mtns., Riverside 462 Comment
  GMDRC3509  Cucurbita palmata J. Andre, T. La Doux 2008-9-16 10705 Riverside Little San Bernardino Mountains: Joshua Tree National Park: among boulders on NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad 34 deg. .534' N 116 deg. 3.098' W. Elev. 4354 ft. 1327 Comment
  SEINET6654702  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd.; 0 550 Comment
  CAS-BOT-BC224552  Cuscuta californica H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  UCR135987  Cuscuta californica A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27901 Riverside Peninsular Range, summit ridge of Alberhill Mountain, along dirt road 503 Comment
  RSA717672  Cuscuta denticulata A. C. Sanders, G. Nuhn 1995-4-20 16587 Riverside Colorado Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns., NE of 1000 Palms. 350 Comment
  UCR127528  Cuscuta denticulata Bern Schwenn 1994-3-21 s.n. Riverside Transverse Range/Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of Pushawalla Canyon 549 Comment
  CLARK-A1703-56  Cuscuta subinclusa H. A. Zuill 1966-6-29 263 Riverside Murrieta Comment
  UCR101885  Cyclospermum leptophyllum A. C. Sanders 1997-3-17 20005 Riverside Riverside, UCR campus, edge of lawn at NE corner of Batchelor Hall 348 Comment
  SEINET4604333 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio 760 Comment
  UC172818  Cylindropuntia bigelovii S. R. Vasey Feb. 1881 Riverside White Water Comment
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Nov 29 2010
  RSA586812  Cynodon dactylon D. L. Banks, Steve Boyd 1995-5-3 279 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
  UC1584121  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside Santa Ana River just downstream of old city dump at w. extension of Rubidoux Ave. Riverside; Santa Ana River, Riverside Comment
  RSA522318  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  UCR23202  Cyperus eragrostis S. Gallagher 1981-6-1 24 Riverside Riverside, intersection of Serpentine Road & Palmyrita Avenue, SE corner, 10 m S from Palmyrita Ave. street sign. 305 Comment
  UCR16051  Cyperus involucratus Becky Brooks 1973-5-26 s.n. Riverside Corona, N end of third irrigation pond c. 250 yards north of Ontario Ave & 100 yards east of Compton Ave Comment
  JEPS35183  Cystopteris fragilis Carl V. Meyer 1928-7-27 555 Riverside summit San Jacinto Peak Comment
  CSUSB1206  Dalea californica Steven J. Southwell 1971-5-7 Riverside Colorado Desert West Colorado Desert. Windy Gap Sand dune, west of Palm Springs on highway 111, 200 feet west of road. 304 Comment
  POM28816  Dalea mollis Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA498349  Dalea mollissima I. M. Johnston 1917-4-4 s.n Riverside Near Palm Springs. 152 Comment
  SEINET10452148  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2024 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCR100128  Dalea mollissima B. G. Pitzer 1997-10-19 3358 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR260251  Dalea mollissima A. C. Sanders, Jim Malusa 2015-3-11 41391 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  SEINET3407708 Image available Dalea spinosa C. W. Tilforth 1976-7-21 Riverside Large wash along Hwy. 195, c. 15 miles ne of Mecca, Colorado Desert Comment
  SBBG19892  Dasyochloa pulchella M. A. Piehl 1963-9-18 63842 Riverside US Hwy 60, 70; 2.7 mi W of Desert Center 312 Comment
  RSA381083  Datisca glomerata R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61178 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UC64479  Datisca glomerata H. M. Hall July, 1901 2381 Riverside in vicinity of Strawberry Valley (San Jacinto Mountains); San Jacinto Mountains 1615 Comment
  UCR35197  Datisca glomerata L. B. Ziegler 1969-7-30 389 Riverside San Jacinto Mountains, Hemet Valley. In dry creek bed in side canyon on W side of valley opposite Kenworthy R.S. 1341 Comment
  RSA518036  Datura discolor Steve D. Boyd, Orlando Mistretta 1986-3-13 1403 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UC884555  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shavers Wells Comment
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Dec 13 2011
  UCR139652  Datura wrightii A. C. Sanders 2004-7-1 28374 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  RSA587429  Daucus pusillus D. L. Banks, S. D. Boyd 1995-6-2 573 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32., W of the Dripping Springs Alcove Area. 890 Comment
  SD185128  Deinandra fasciculata A. C. Sanders 2005-5-4 29842 Riverside 1.0 km east and southeast of Gavilan Peak. 625 Comment
  RSA0097761  Deinandra kelloggii Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18376 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  UCR252762  Deinandra mohavensis Ana Hernandez, John Dvorak 2011-8-9 029 Riverside San Jacinto Mountains, Hwy 243, 2.8 km north of Mountain Center 1580 Comment
  CAS-BOT-BC413815  Deinandra paniculata R. E. Riefner, Jr. 2009-6-19 09 -135 Riverside Moreno Valley, NE ca. 0.15 mi from intersection of Nason St. and Ironwood Ave., W of Moreno Beach Dr., N of Moreno Valley Freeway (60 Fwy) 592 Comment
  SBBG119221  Deinandra paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 Riverside Wildomar, old ranch parcel SE of Wesley St and SW of Laguna Rd, W of Orange St, NE of Palomar St (Wildomar 7.5' quad: 33 deg 36'49"N, 117 deg 16'43"W) 402 Comment
  UC1792825  Deinandra paniculata A. C. Sanders, Guy Bruyea 2004-4-2 27427 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side just north of Rose Rd. 463 Comment
  UCR224405  Deinandra paniculata Robt. L. Allen, Linnell R. Allen 2008-7-27 s.n. Riverside Santa Ana Mountains, South Main Dived Road, 4.7 road miles southeast of the junction with Ortega Hwy (SR74), just south of the gated entrance to Rancho Capistrano housing developments 938 Comment
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Oct 4 2017
  UCR104941  Delphinium parryi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20696 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
  UCR174443  Delphinium parryi A. C. Sanders 2006-5-19 32387 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
  UCR213831  Delphinium parryi Scott D. White, Justin M. Wood 2009-5-21 12846 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  SDSU5504  Delphinium patens W. T. Williams 1962-5-12 Riverside San Jacinto Mtns. 4000 ft marker 20 ft s of wayside rest along Hwy between Hemet and Idyllwild. 1219 Comment
  CAS-BOT-BC198170  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside Menifee Valley Comment
  UC1951134  Deschampsia danthonioides Scott D. White, Justin Wood 2009-5-21 12855 Riverside SAN JACINTO MOUNTAINS: Garner Valley, near abandoned duck ponds, S of Quinn Flat. USGS Idyllwild 7.5' Quad. Comment
  POM49465  Deschampsia elongata P. A. Munz, I. M. Johnston 1924-7-28 8802 Riverside Pine Flats, San Jacinto Mountains. 1707 Comment
  CAS-BOT-BC43363  Descurainia pinnata subsp. glabra Nancy Ryan Zabriskie 1970-3-27 262 Riverside Near Ryan cabin. Andreas Canyon, near Palm Springs. 365 Comment
  RSA697660  Dicentra chrysantha Elisabeth Norland 1929-5-10 s.n. Riverside Glen-Ivy. Along roadside. Comment
  UCR281012  Dicentra chrysantha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 21 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UCR142195  Dichelostemma capitatum June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  GMDRC7548  Dicoria canescens J. M. Andre 2015-4-23 32756 Riverside Rice Valley: along Rice-Midland Rd, 3.1 mi. south of Hwy 62, eastern end of Arica Mountains 253 Comment
  UCR111547  Dimorphotheca sinuata Mitch Provance 1999-5-4 1697 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR72460  Dimorphotheca sinuata Michael A. Patten 1992-5-28 92- 14 Riverside Peninsular Range, just east of Temecula, between Pauba Rd on the north & DePortola Rd on the south, the W boundary of site adjacent to Butterfield Stage Rd; property extending east c. 3400 ft. 366 Comment
  CAS-BOT-BC167078  Diplacus brevipes Wayne Law; Jun Hu 2000-5-16 15 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  RSA0019281  Diplacus brevipes Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38099 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  CHSC26487  Diplacus puniceus James Henrickson 1970-4-10 4533 Riverside 8 air miles ESE of Temecula along Hy. 71-79. 542 Comment
  RSA0019298  Diplacus puniceus D. L. Banks 1997-2-23 1305 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA444478  Ditaxis lanceolata J. C. Roos 1965-6-23 s.n. Riverside Cactus City: just east of Mecca Hills on I-10 Comment
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Mar 20 2011
  RSA668431  Ditaxis lanceolata S. Granger 1979-4-12 s.n. Riverside Chuckawalla Mountains. 610 Comment
  SEINET6631295 Image available Ditaxis lanceolata Leila M. Shultz, John S. Shultz 1985-4-18 8327 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15) 616 Comment
  UC2026381  Ditaxis lanceolata Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10054 B Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA0104609  Ditaxis neomexicana Duncan S. Bell, Evan Meyer 2014-10-29 7677 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA676145  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UC68667  Ditaxis neomexicana H. M. Hall Apr 1905 5960 Riverside canyons near Colorado R. Colorado Desert 106 Comment
  CAS-BOT-BC43641  Dithyrea californica P. A. Munz; L. Street; I. Williams 1919-3-25 2309 Riverside Whitewater. 304 Comment
  CAS-BOT-BC43647  Dithyrea californica John Thomas Howell 1928-3-11 3427 Riverside Colorado Desert. 6 miles southeast of Garnet Station, Coachella Valley. 152 Comment
  RSA530735  Dithyrea californica George B. Grant 1906-4-8 s.n. Riverside Palm Springs. Comment
  UCR60786  Dithyrea californica Steve Boyd, Orlando Mistretta 1986-3-13 1411 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  RSA753813A  Dodecahema leptoceras D. Volgarino 1995-6-12 s.n. Riverside Dripping Springs. Comment
  RSA783371  Dodecatheon alpinum J. D. Olmsted 1959-7-7 753 Riverside Northern extension of Skunk Cabbage Meadow; 4.5 miles east of Idyllwild 2424 Comment
  RSA5472  Dodecatheon alpinum subsp. majus Carl B. Wolf 1932-8-5 s.n. Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  RSA336067  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51982 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UC494460  Draba cuneifolia Philip A. Munz 1932-3-15 12009 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  POM8518  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-24 1477 Riverside Indian Wells 122 Comment
  RSA192304  Dudleya edulis H. A. Zuill 1966-6-5 206 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  CHSC101725  Dudleya lanceolata Scott D. White; Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 B Riverside San Jacinto Mountains; Idyllwild area; 'Strawberry Fuelbreak: between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr., west to creek. 1524 Comment
  JOTR32293  Dudleya saxosa subsp. aloides Herskovits, Tasya, M. Harding, D. Oquendo 2011-5-5 7 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Steep, rocky/gravelly side drainage of main canyon (Stop 4) 1371 Comment
  UC1979820  Dudleya saxosa subsp. aloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. Comment
  UC933328  Dudleya saxosa subsp. aloides Reid Moran 1941-5-4 835 Riverside Hidden Valley Joshua Tree National Monument 1280 Comment
  UCR187319  Dyssodia porophylloides Michael Honer, L. Hulse 2004-4-2 1877 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  SEINET5497495 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17354 .4 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain 1420 Comment
  UCR19192  Eclipta prostrata John C. Roos 1965-7-5 s.n. Riverside Sonoran (Colorado) Desert, Thermal Airport Comment
  UCR239855  Ehretia O. F. Clarke 2005-4-9 s.n. Riverside Peninsular Range; foothills of Box Springs Mtns., Riverside, Kalsa yard on Watkins Dr. 351 Comment
  SD68959  Elatine chilensis Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37559 Riverside Santa Rosa Plateau; shallow water of vernal marsh on Mesa de Colorado. 669 Comment
  UCR196306  Eleocharis acicularis R. F. Thorne 1973-5-23 43850 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA544428  Eleocharis palustris Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6333 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA703625  Eleocharis parishii Scott D. White, Angelia Carey 2004-9-16 10763 Riverside Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  UCR2744  Elymus elymoides F. M. Reed 1905-5-7 741 Riverside Peninsular Range, Box Springs Mtns., spring near summit of Pigeon Pass, Riverside and vicinity Comment
  UC38269  Elymus elymoides subsp. elymoides H. M. Hall May 1899 1177 Riverside San Jacinto Mt. San Jacinto Mountains 1524 Comment
  POM12137  Elymus glaucus subsp. glaucus Mary F. Spencer 1919-6-30 1314 Riverside Near Idyllwild, San Jacinto Mountains. 1616 Comment
  SEINET260211  Elymus glaucus var. jepsonii M. Curto, L. Allen 1991-7-23 810 Riverside San Jacinto Wldness ; Mt San Jacinto Tahquitz Valley 2415 Comment
  UC1931204  Elymus trachycaulus subsp. trachycaulus Scott D. White, Justin Wood 2008-6-19 12273 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  RSA524425  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Tim Ross, J. Bonilla 1990-4-3 4121 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA562451  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-5 7238 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SD133074  Emmenanthe penduliflora Scott White 1991-5-13 91 97 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UC56881  Emmenanthe penduliflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Palm Canyon 457 Comment
  UCR231739  Emmenanthe penduliflora John F. Green 2008-4-23 08- 04 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR241193  Emmenanthe penduliflora T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 375 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  JEPS34119  Encelia actoni C. V. Meyer 1927-6-1 210 Riverside w base of San Jacinto Mts (along Idyllwild Road) Comment
  RSA707892  Encelia actoni Scott D. White, Angelia Carey 2004-4-16 10165 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR5549  Encelia californica Marvin Miller 1967-1-6 s.n. Riverside Peninsular Range, Gavilan Hills Comment
  CAS-BOT-BC131326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of Walsh Canyon, ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old... 549 Comment
  JEPS34114  Encelia farinosa Marjorie D. Clary 1935-11-17 2570 Riverside Mecca-Blythe Road near Eagle Mts. Comment
  RSA696890  Encelia farinosa J. Russell Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  SFV5024  Encelia farinosa F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UCD131215  Encelia farinosa R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCD19707  Encelia farinosa Donald W. Kyhos 1963-4-3 63 -6 Riverside East of junction of Mockingbird Canyon Rd. on Van Buren Blvd. in Arlington. Comment
  UCR200326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  UCR2883  Encelia farinosa N. J. Matthews 1963-5-9 50963 3 Riverside 1 mi. north of Gilman Hot Springs on Hwy 79 305 Comment
  UCR34969  Encelia farinosa L. B. Ziegler 1976-5-20 547 Riverside San Jacinto Mtns, Potrero Creek (Massacre Canyon), lower canyon below falls. 457 Comment
  SEINET6810910  Encelia farinosa John Thieret, Brandenburg, David 1982-6-5 53089 Riverside 25 miles W of Desert Center; Desert Center; 25 miles W of Comment
  RSA0107844  Encelia frutescens Duncan S. Bell, Thomas Stoughton 2010-3-19 582 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  JEPS49123  Ephedra W. L. Jepson 1928-4-23 12566 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  HSC82829  Ephedra aspera A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6142 Riverside N foot of the Chuckwalla Mtns., 2.75 mi. SE of Desert Center 367 Comment
  RSA85057  Ephedra aspera F. W. Peirson 1922-4-9 3339 Riverside Andreas Canyon near Palm Springs. 426 Comment
  POM999  Ephedra aspera I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. In desert along mts. 305 Comment
  POM293443  Ephedra californica Lyman Benson 1954-5-2 15280 Riverside Morongo Pass (south end of Morongo Valley). 915 Comment
  RSA188721  Ephedra californica H. U. Stauffer, Robert F. Thorne 1964-5-5 5921 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  SEINET11062604 Image available Ephedra californica Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18292 Riverside Chuckwalla Bench, 64km WSW of Blythe, 3.9km south of Augustine Pass 660 Comment
  SFV17218  Ephedra californica J. W. Dole 1980-11-1 Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  UCR116596  Ephedra californica A. C. Sanders 2001-3-20 23843 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
  JOTR29448  Ephedra nevadensis La Doux, Tasha, Mike Bell 2006-3-8 1346 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  RSA3984  Ephedra trifurca C. B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UC729748  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside on Blythe Road 3 mi s Rice; Eastern Colorado Desert 213 Comment
  SEINET10532277  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6477 Riverside Rice Valley, 3 mi SSW of Rice. Common among sand dunes. 244 Comment
  UCR128237  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2003-10-16 27352 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR75536  Epilobium campestre A. C. Sanders 1993-5-12 14010 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
  RSA596163  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1216 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation, 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  UCR21167  Epilobium canum subsp. canum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR92156  Epilobium canum subsp. canum D. L. Banks, Steve Boyd 1995-10-17 0812 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  RSA586314  Epilobium ciliatum subsp. ciliatum D. L. Banks, Steve D. Boyd 1995-5-3 225 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
  RSA588337  Epilobium ciliatum subsp. ciliatum E. A. McGregor 1964-9-16 s.n. Riverside Idyllwildm San Jacinto Mountains. Comment
  OBI5915  Epilobium glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside Along trl from Tahquitz Valley to San Jacinto Peak. San Jacinto Mts 2560 Comment
  POM265817  Epilobium oregonense J. C. Roos 1937-8-18 2528 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UCSC001069  Equisetum hyemale subsp. affine Peter Kamb 1948-10-31 1277 Riverside Hall Canyon, San Jacinto Mts 1646 Comment
  RSA520081  Equisetum laevigatum Steve Boyd, Dave Bramlet 1988-10-8 2871 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UC218658  Equisetum laevigatum P. A. Munz 1922-6-27 5837 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  RSA639636  Equisetum telmateia var. braunii E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  SEINET1906700  Eragrostis barrelieri A. C. Sanders, G. K. Helmkamp 1996-1 17978 Riverside Coachella Valley: palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  JOTR16778  Eragrostis cilianensis Hogan, J. 1975-9-6 163 Riverside Joshua Tree National Park. PLEASANT VALLEY PLAYA 999 Comment
  POM1186  Eragrostis cilianensis D. L. Crawford s.n. Riverside Riverside. Comment
  SEINET260215 Image available Eragrostis mexicana M. Curto, Linda Allen 1990-1 692 Riverside San Jacinto Mts; Mountain Center, jct CA Hwy 74 & CA Hwy 243, NW corner 1365 Comment
  UCD39930  Eragrostis mexicana Beecher Crampton ? s.n. Riverside UC Davis Riverside, Agronomy Experimental Area, Plant Introduction Plot. Comment
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Jun 16 2012
  UCR2388  Eragrostis pectinacea var. pectinacea F. M. Reed 1904-8-10 85 Riverside Riverside Comment
  UCR26521  Eragrostis pectinacea var. pectinacea A. C. Sanders, S. Hagopian 1981-5-20 2154 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  UC634840  Eremalche rotundifolia H. L. Mason 1928-3-10 4201 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  JOTR34317  Eremothera boothii subsp. condensata Andre, Jim 2012-4-11 20815 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  CAS-BOT-BC514306  Eriastrum densifolium subsp. austromontanum H. M. Hall 1901-7-1 2384 Riverside San Jacinto Mountains 1584 Comment
  UCR126199  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  UCR19160  Eriastrum densifolium subsp. densifolium John C. Roos 1965-7-22 s.n. Riverside San Jacinto Mtns, near Mountain Center 1372 Comment
  RSA0110547  Eriastrum densifolium subsp. elongatum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  CAS-BOT-BC514462  Eriastrum eremicum subsp. eremicum Mr. May 1914-3-1 s.n. Riverside May Comment
  RSA0120683  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  JEPS69118  Eriastrum sapphirinum C. V. Meyer June 1927 152 Riverside Temecula Comment
  UCR182445  Eriastrum sapphirinum Mitch Provance 2005-5-27 4608 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  RSA0121572  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR261867  Eriastrum sapphirinum subsp. dasyanthum Tim Thomas, J. Vollmar 2014-5-9 6307 Riverside Banning Pass; San Gorgonio River channel on south side of I-10 627 Comment
  RSA0121569  Eriastrum sapphirinum subsp. dasyanthum Albert J. Perkins 1919-1 s.n. Riverside Idllwild, San Jacinto Mts. Comment
  RSA479913  Ericameria cuneata Steve Boyd 1987-11-23 2094 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  SEINET10758419  Ericameria cuneata David B. Dunn 1947-10-9 Dunn 3530 Riverside Joshua Tree National Monument at camp ground area by Hidden Valley. Comment
  JOTR16587  Ericameria cuneata var. spathulata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE NORTH OF SPLIT ROCK Comment
  UC1118790  Ericameria palmeri var. pachylepis A. Lewis 1934-5-1 462 Riverside Domegoni Valley Elsinore Quad., Domegoni Valley 518 Comment
  UC750652  Ericameria paniculata Lewis S. Rose 1945-12-25 45319 Riverside 2 mi ne Garnet; Colorado Desert Comment
  POM48324  Ericameria parishii E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA594764  Ericameria parishii var. parishii D. L. Banks, Dylan Hannon 1996-5-3 0987 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  SD115000  Ericameria parishii var. parishii Earl W. Lathrop 1979-6-19 7506 Riverside Cleveland National Forest, Trabuco District, Bedford Truck Trail, Southwest slope Pleasants Peak. 3.5 miles northwest Junction Eagle Pass Tr. 945 Comment
  SD187344  Erigeron canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. 579 Comment
  SDSU13672  Erigeron canadensis W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UCSB9492  Erigeron canadensis Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chico Institute 213 Comment
  RSA674756  Erigeron divergens Scott D. White, Teresa B. Salvato 2001-6-8 8586 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  POM357459  Erigeron foliosus Norman C. Cooper 1949-6-29 4302 Riverside East side of San Jacinto Mountains 1524 Comment
  RSA674938  Erigeron foliosus Scott D. White, Bill La Haye 2000-5-27 7961 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR174063  Erigeron foliosus A. C. Sanders 2006-5-19 32440 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
  UCR3717  Erigeron foliosus var. foliosus Frank C. Vasek 1964-7-25 640725- 21 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  CAS-BOT-BC296247  Erigeron foliosus var. foliosus Peter H. Raven; R. Snow 1957-7-26 11083 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  POM13854  Erigeron philadelphicus P. A. Munz 1922-4-28 5020 Riverside 5 miles NW of Corona. mall branch of Chino Creek. 198 Comment
  CLARK-A1528-4622  Eriochloa acuminata John C. Roos 1937-11-28 Riverside Riverside Comment
  UCR59841  Eriochloa contracta 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
  CAS-BOT-BC189073  Eriodictyon crassifolium Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9660 Riverside 3 miles below junction of Idyllwild Road on State Highway 74 Comment
  RSA160530  Eriodictyon crassifolium John Olmsted 1958-6-15 191 Riverside N Fork San Jacinto River 1 mile NE of intersection with Main Fork of Hemet-Idyllwild Road, San Jacinto Mts, Alt 2300ft. 701 Comment
  RSA627478  Eriodictyon crassifolium A. C. Sanders 1999-5-31 22797 Riverside upper Two Trees Canyon, E of Belvedere Heights 610 Comment
  UC880702  Eriodictyon crassifolium I. W. Clokey and E. G. Anderson 1935-4-16 6834 Riverside e Hemet; e of Hemet 600 Comment
  RSA0034874  Eriodictyon crassifolium I. W. Clokey, E. G. Anderson 1935-4-16 6834 Riverside East of Hemet. 600 Comment
  RSA618408  Eriodictyon crassifolium var. crassifolium D. L. Banks 1997-5-5 1968 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SDSU65  Eriodictyon crassifolium var. crassifolium Gerald Collier 1951-5-26 Riverside 15 miles east of Hemet. Dry rocky slopes. St. Hwy. 74. SanJacinto Mountains. San Bernadino National Forest. Comment
  VVC255  Eriodictyon crassifolium var. nigrescens P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  SEINET7073459  Eriodictyon tomentosum A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  CLARK-A1528-2971  Eriodictyon trichocalyx John C. Roos 1948-5-1 3814 Riverside Whitewater 609 Comment
  CLARK-A1528-545  Eriodictyon trichocalyx C. M. Flanagan 1973-5-31 OO 616 Riverside Morongo Indian Reservation 975 Comment
  RSA13797  Eriodictyon trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  RSA783129  Eriogonum J. D. Olmsted 1959-11-8 1083 Riverside Fish Fork between sixth and seventh falls 1418 Comment
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Jun 8 2013
  CAS-BOT-BC248620  Eriogonum apiculatum P. A. Munz; E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  CDA22491  Eriogonum davidsonii A. C. Browne 1951-10-28 Riverside Aguanga. 0 Comment
  UCR20541  Eriogonum davidsonii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR26621  Eriogonum davidsonii E. W. Lathrop 1966-5-29 6392 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UCSB25721  Eriogonum davidsonii Gliessman, Stephen 1968-7-17 Riverside along Little Thomas Mountain Road, 2.9 miles southwest of junction with Highway 74, Little Thomas Mountain. 1554 Comment
  RSA393265B  Eriogonum deflexum var. baratum Jack Rempel 1932-11-13 s.n. Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  RSA735221  Eriogonum deflexum var. deflexum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11244 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
  UCR134636  Eriogonum deflexum var. deflexum Nancy K. Cione 2004-5-4 s.n. Riverside Eastern Mojave Desert, Eagle Mountain MWD Pumping Station, 1 mi W and 7 mi north of Desert Center 366 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
  RSA297345  Eriogonum fasciculatum var. polifolium Larry E. DeBuhr 1977-2-20 2556 Riverside 1 mile below the Palm Springs Tramway Station, upper canyon on east side of Mt. San Jacinto. Comment
  RSA393348  Eriogonum fasciculatum var. polifolium M. B. Dunkle 1933-4-5 3371 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  RSA543197  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6097 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
  SD229223  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 642 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UCSB1527  Eriogonum fasciculatum var. polifolium Hawkins, L. 1956-4-13 Riverside Water Canyon Comment
  RSA239156  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-6 2843 Riverside Along California Highway 74, 3 miles southwest of Elsinore at the north end of Elsinore Mountains, about 0.6 miles southwest of the turnoff to Lake Village. Comment
  RSA561411  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7682 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
  UCR20400  Eriogonum gracile var. gracile John C. Roos 1952-8-27 5888 Riverside Peninsular Range, Riverside; Pigeon Pass, Box Springs Mtns. 457 Comment
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Apr 16 2011
  UCR25809  Eriogonum gracile var. gracile John C. Roos 1937-7-12 1509 Riverside Reche Canyon 549 Comment
  CAS-BOT-BC269786  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-10 2870 Riverside San Jacinto Mountains, along California Highway 243, 1.1 miles southeast of Alandale Ranger Station, 4.3 miles north-northwest of Idyllwild, and 8.8 miles north of the junction with Highway 74 Comment
  LA206954  Eriogonum nudum var. pauciflorum H. Lewis; 1939-10-21 1014 Riverside San Jacinto Mountains, Taquites Peak 2133 Comment
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Mar 2 2014
  RSA393613  Eriogonum nudum var. pauciflorum M. B. Dunkle 1933-7-19 3692 Riverside Tahquitz Ridge. San Jacinto Mountains. 2530 Comment
  CLARK-A1528-3695  Eriogonum pusillum John C. Roos 1943-5-23 2667 Riverside Little San Bernardino Mountains 914 Comment
  POM13306  Eriogonum pusillum E. C. Jaeger 1920-4-7 1070 Riverside Mission Creek. Comment
  RSA424846  Eriogonum pusillum Christopher Davidson, B. Gustafson 1977-4-7 5594 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
  UCR4237  Eriogonum pusillum K. S. Gill 1965-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Canyon 5 mi north of Hwy 60 610 Comment
  SBBG65556  Eriogonum saxatile L. Rowntree 1929-5-10 Riverside Morongo Pass Comment
  CAS-BOT-BC263520  Eriogonum thomasii D. Bates 1960-3-3 2300 Riverside Route 195, 7.3 miles s.w. of junction with routes 60-70 Comment
  POM122028  Eriogonum thomasii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA264150  Eriogonum thomasii C. W. Tilforth, J. Dourley, W. Wisura 1977-5-20 1331 Riverside 2 miles south of Rice and Hwy 62 along Blythe-Rice Rd. 267 Comment
  RSA424957  Eriogonum thomasii Robert Gustafson 1978-3-22 835 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  RSA517811  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1416 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SBBG81717  Eriogonum thomasii S. A. Junak 1983-3-24 1661 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  UC6366  Eriogonum thomasii C. R. Orcutt Apr. 1889 Riverside Colorado Desert Comment
  RSA0130729  Eriogonum thomasii Glen Rink 2013-3-18 11875 a Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  RSA718297  Eriogonum thomasii Michael Honer, L. Hulse 2004-4-2 1878 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  CAS-BOT-BC262872  Eriogonum thurberi Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  UC63437  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside vicinity of Riverside (Fairmount Park); Fairmount Park 243 Comment
  UC472771  Eriogonum trichopes M. F. Spencer Apr 1922 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  SBBG28182  Eriogonum wrightii var. nodosum M. F. Gilman 1932-11-30 11 Riverside Whitewater Pt Comment
  SEINET7048174  Eriophyllum ambiguum var. ambiguum Steven R. Hill 2001-5-3 33680 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  CAS-BOT-BC297345  Eriophyllum confertiflorum Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mt Comment
  UCR16866  Eriophyllum confertiflorum M. Ferro 1970-5-10 12 Riverside Hwy 60 to San Jacinto turnoff [Gilman Springs Rd.]; 4 mi [SE] then 0.25 mi off E side of rd. 457 Comment
  SEINET11850689  Eriophyllum confertiflorum Unknown 1936-1 12775 Riverside E of Banning Comment
  JEPS23547  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  JOTR31153  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha 2009-6-3 1862 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  UCR51837  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Peninsular Range, Temescal Canyon 274 Comment
  JOTR32130  Eriophyllum pringlei La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2286 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  CLARK-A1656-678  Eriophyllum wallacei Lois Ann Scott 1978-4-8 Riverside San Gorgonio Pass 274 Comment
  RSA483567  Eriophyllum wallacei D. Charlton 1988-5-21 1942 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA801814  Eriophyllum wallacei LeRoy Gross, Evan Meyer 2013-5-21 6108 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  SD37567  Eriophyllum wallacei Edith A. Purer 1935-4-21 6452 Riverside East slope of San Jacinto Mountain. Comment
  SEINET7063220  Eriophyllum wallacei A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UC1929300  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass; Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. Comment
  UCR199645  Erodium brachycarpum Scott D. White, Justin M. Wood 2008-3-25 11775 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  RSA757736  Erodium cicutarium LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4311 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SBBG3904  Erodium cicutarium C. H. Muller 1952-4-5 9490 Riverside White Water Cyn, 1 mi above White Water Comment
  UCR26267  Erodium texanum John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Mouth of Lost Palms Wash, Eagle Mountains Comment
  CAS-BOT-BC54329  Erysimum capitatum G. B. Rossbach 1955-4-28 585 Riverside 2 miles east of Santa Rosa summit on Route 74, northwest end of Santa Rosa Mountains. 1502 Comment
  UC1034748  Erysimum capitatum G. B. Rossbach 1955-4-28 585 Riverside on Route 74 2 mi e Santa Rosa summit (nw end of mts); Santa Rosa Mts. 1502 Comment
  RSA0014876  Erythranthe floribunda J. D. Olmsted 1959-4-18 423 Riverside 3 miles N of Elsinore on Hwy 71 in weedy area on east side of road. Base of Santa Ana Mountains. Drainage to Santa Ana River. 335 Comment
  RSA0018797  Erythranthe guttata N. C. Cooper 1944-5-21 1286 Riverside San Jacinto Mountains, West side 915 Comment
  RSA0019307  Erythranthe guttata J. D. Olmsted 1959-6-25 682 Riverside Strawberry Creek drainage area in Fern Valley ENE of Idyllwild. 1677 Comment
  JOTR30806  Eschscholzia La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1748 Riverside Joshua Tree National Park. Stop # 4 =Northwest end of Eagle mountains, near road leading to Cottonwood Canyon. 910 Comment
  JOTR34264  Eschscholzia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2955 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail 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
  UCR78439  Eschscholzia caespitosa Scott D. White 1993-4-20 1200 Riverside Estelle Peak, Gavilan Hills 826 Comment
  CAS-BOT-BC403361  Eschscholzia californica P. A. Munz; R. D. Harwood 1920-2-28 3271 Riverside 3 mi west of Corona 304 Comment
  UCR250110  Eschscholzia californica A. C. Sanders 2014-4-9 41005 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  RSA799883  Eschscholzia glyptosperma D. M. Ray 2011-3-5 10 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCR33739  Eschscholzia glyptosperma Sears 1978-3-16 818 Riverside Sonoran (Colorado) Desert, 3.5 mi SE of Midland 244 Comment
  CAS-BOT-BC83133  Eschscholzia minutiflora Dr. A. Davidson 1893-1-1 s.n. Riverside Colorado Desert. Palm Springs. Comment
  CDA24566  Eschscholzia minutiflora T. C. Fuller 1962-4-4 7998 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  NY43343  Eschscholzia minutiflora C. R. Annable 1995-3-15 2282 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  UCR240995  Eschscholzia minutiflora Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 50 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR245964  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains, west side of range in main drainage, c. 2.5 air miles west of Priest Well, or c. 7 air miles SW of ghost town of Rice 420 Comment
  SEINET3094855 Image available Eschscholzia minutiflora var. darwinensis C. F. Shutts 1949-3-19 58 Riverside Cottonwood Pass, Little San Bernadino Mtns. 305 Comment
  SD49372  Eschscholzia papastillii Thomas W. Whitaker 1958-4-30 Riverside Box Canon, midway between Mecca and Shaver Well Comment
  UCD96514  Eschscholzia papastillii Shannon M. Still; Robert Lee 2009-3-3 452 Riverside California. Riverside County: Joshua Tree National Park. 537 Comment
  CAS-BOT-BC419622  Eschscholzia parishii Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC419631  Eschscholzia parishii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2735 Riverside Colorado Desert: Chuckwalla Mts. 10.6 mi SW of Chuckwalla Valley Rd. on Graham Pass Road Comment
  RSA676107  Eschscholzia parishii Scott D. White 2001-4-17 8338 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  SEINET3094861 Image available Eschscholzia parishii David Charlton 1988-2-18 1152 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 5 mi. E of Jct Dillon Rd. and Fargo Cyn Rd. Comment
  UCSB3649  Eschscholzia parishii Sage, Paul 1958-3-22 Riverside S. side of HWY 60; 6 mi. E. of Desert Center 274 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
  UC1929898  Eucalyptus camaldulensis Scott D. White, Angelia Carey 2004-7-2 10599 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCD103100  Eucalyptus camaldulensis F. M. Reed 1916-11-12 3759 Riverside Jensen Ranch, west Riverside. Comment
  UCR132713  Eucalyptus camaldulensis A. C. Sanders, O. F. Clarke 1991-6-10 11123 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  IRVC27459  Eucalyptus gomphocephala A. C. Sanders, O. F. Clarke 1992-3-17 12069 Riverside University of California, Riverside Comment
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Sep 10 2011
  SDSU12878  Eucalyptus tereticornis J. Jill Steinberg, Leon Steinberg 1998-4-5 34 Riverside Ca. 1/8 mile inside entrance gate to Santa Magarita (SDSU) Field Station, growing on north side of road north of Gorge, just before fork in road. 317 Comment
  UCR260853  Eucrypta chrysanthemifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41419 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA359879  Eucrypta chrysanthemifolia Steve Boyd 1986-4-2 1602 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA420858  Eucrypta chrysanthemifolia var. bipinnatifida E. C. Jaeger 1922-3-20 809 Riverside Murray Canyon, Colorado Desert. 366 Comment
  SEINET2445417  Eucrypta chrysanthemifolia var. chrysanthemifolia Daphne K. Christopher, Hannah Stevens 2003-4-4 90 Riverside Uc Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR216395  Eucrypta chrysanthemifolia var. chrysanthemifolia Mike Bell 2008-3-30 027 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA776091  Eucrypta micrantha Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 823 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  CDA37670  Eulobus californicus T. C. Fuller 1962-4-3 7985 Riverside South of Highway 99, 1.7 miles west of junction with Highway 111 to Palm Springs, 4.3 miles east of Cabazon. 0 Comment
  RSA0089216  Eulobus californicus Jim M. Andre 2015-3-2 31355 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  RSA0121044  Eulobus californicus Duncan S. Bell, LeRoy Gross 2016-3-29 9123 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
  CLARK-A1528-2490  Euonymus occidentalis subsp. parishii John C. Roos 1941-8-2 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC202528  Euphorbia John H. Thomas 1957-3-30 6536 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert 518 Comment
  RSA717586  Euphorbia albomarginata A. C. Sanders 2004-5-12 27881 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR127148  Euphorbia albomarginata A. C. Sanders, Guy Bruyea 2003-6-12 26896 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR260520  Euphorbia albomarginata T. B. Salvato 2014-5-29 8053 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  SEINET3106568  Euphorbia eriantha Sears 1977-10-12 S- 562 Riverside Corn Springs Rd. in Corn Springs wash, 3 miles from Corn Springs and 5 miles from the highway. 439 Comment
  UCR239824  Euphorbia hirta O. F. Clarke 2007-6-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA715999  Euphorbia maculata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside Riverside, north side of Blaine St. just west of Gage Canal. 313 Comment
  UCR111584  Euphorbia maculata Mitch Provance 1999-1-23 1742 Riverside Jurupa Mountains, Along roadside at corner of Crestmore Rd. and Rubidoux Blvd. 262 Comment
  UCD77526  Euphorbia micromera Robert E. Preston 1997-11-11 1060 Riverside east edge of Palo Verde Mesa. 99 Comment
  UCR113225  Euphorbia polycarpa A. C. Sanders 1997-11-25 21623 Riverside Skinner/Domenigoni region, S of Hemet, Eastside Reservoir site, at N foot of eastern dam, E end of 'North Hills', c. 0.9 mi. NNE of site of Searl Ranch 530 Comment
  UCR163870  Euphorbia polycarpa B. G. Pitzer 2000-11-4 4245 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR51361  Euphorbia polycarpa S. J. Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake 488 Comment
  UCR91001  Euphorbia serpillifolia A. C. Sanders 1994-5-29 14566 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA659663  Euphorbia setiloba J. C. Roos 1947-11-1 3756 Riverside On the edge of Lost Palms wash, Eagle Mtns. Comment
  UCR159144  Euphorbia spathulata A. C. Sanders 1997-3-19 20031 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  RSA600227  Euphorbia supina L. C. Wheeler 1960-5-12 7702 Riverside Banning. Comment
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Mar 13 2011
  UCR108345  Eustoma exaltatum L. C. Wheeler 1952-12-15 7025 Riverside Sonoran (Colorado) Desert, Riverside Mountains, shore of Alligator Slough of the Colorado River; [near] Mountaineer Mine, north of Johnson's Camp Comment
  RSA339254  Fagonia laevis Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53602 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  SEINET936428  Fagonia laevis Helen K. Sharsmith 1952-1 4062 Riverside Northwest base of Chuckwalla Mountains 7 miles south of Highway 60-70. 533 Comment
  RSA0009994  Fagonia laevis Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SD128675  Fagonia pachyacantha Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  UCR139982  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  UC68657  Ferocactus cylindraceus var. lecontei H. M. Hall May, 1905 6013 Riverside Colorado Desert, Cottonwood Springs 670 Comment
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Oct 9 2010
  UCR114310  Festuca myuros Julie A. Greene 1993-4-17 1231 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  UCR144079  Festuca myuros Scott D. White 1993-3-3 1103 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR202438  Festuca myuros Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR19358  Festuca octoflora John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR225508  Festuca octoflora A. C. Sanders 2011-3-30 38919 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
  RSA728602  Filago Gary D. Wallace, M. Z. Wallace 1982-3-27 1894 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  RSA522702  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3889 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
  RSA387351  Filago californica Steve Boyd 1986-4-19 1695 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR225189  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 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
  UCR49267  Filago californica Steve Boyd 1986-4-22 1732 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR175073  Filago gallica Teresa Nieto 2005-5-26 27 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR274791  Fouquieria splendens April Garbat, Sarah J. De Groot 2013-4-9 044 Riverside Sonoran (Colorado) Desert, along Graham Pass Rd near intersection with Chuckwalla Valley Rd. 416 Comment
  RSA0018950  Fragaria vesca Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 693 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SDSU181  Fragaria vesca Bruhns 1965-5-23 121 Riverside Along riverside Co. highway R-1, where it corsses Mill Creek, outside of Idyllwild. Damp, shady flat in Yellow PIne Forest. Comment
  SD247460  Fraxinus velutina Fred T. Sproul, Julia Groebner 2014-7-21 6006 Riverside Santa Ana River at Norco (Corona North 7.5'Q) 175 Comment
  CAS-BOT-BC130238  Fritillaria biflora Steve Boyd 1986-4-2 1581 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  UCR75041  Funastrum hirtellum A. C. Sanders, E. Lawlor 1992-4-4 12155 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SDSU9291  Galium angustifolium Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  POM17946  Galium angustifolium subsp. angustifolium Philip A. Munz 1923-6-14 7118 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  RSA180292  Galium angustifolium subsp. angustifolium E. W. Lathrop 1965-4-25 5693 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  UC729814  Galium angustifolium subsp. angustifolium Carl B. Wolf 1932-8-4 3921 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  UCR151104  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  RSA609659  Galium angustifolium subsp. jacinticum R. S. Woglum 1937-5-22 509 c Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA0124385  Galium aparine Duncan S. Bell 2016-4-16 9329 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR147548  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1284 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR147554  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1285 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  RSA667005  Galium parisiense A. C. Sanders, T. B. Salvato 2001-5-25 24373 Riverside San Jacinto Valley: west end of Hemet-Ryan airport runway, 50-200m east of Warren Rd. and 100-200m north of Stetson Ave. 457 Comment
  SD135315  Galium porrigens Craig Reiser, Dylan Hannon 1993-5-30 Riverside N slope of Santa Rosa Peak Comment
  UCR262238  Galium porrigens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3717 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
  JEPS52916  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1965-6-17 4132 Riverside s Idyllwild (on road to Alvin Meadow) 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
  RSA666586  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Western 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 (Palm Springs.) 137 Comment
  UCR157951  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 921 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
  LA40319  Garrya flavescens J. Warren; 1952-5-26 sn Riverside 10 mi. S of Lake Hemet 1066 Comment
  UCR133357  Garrya flavescens Tracy Tennant, J. S. Ross 1998-5-7 MOR- 126 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA23667  Garrya flavescens var. pallida Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts., East side, along Eagle Motor Way, 1 mi. below summit 915 Comment
  POM147632  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley Comment
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Apr 3 2011
  SBBG89551  Gastridium phleoides J. Adams 1966-4-28 736 b Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  RSA559952  Gastridium phleoides Steve Boyd, Orlando Mistretta 1992-4-23 7063 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
  SBBG61279  Gayophytum ramosissimum R. Hoffmann 1929-9-5 Riverside Strawberry Valley 1828 Comment
  RSA559938  Gazania longiscapa Steve Boyd 1992-4-18 6889 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  RSA726536  Geraea canescens Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1430 Riverside Along Palen Road near Hwy 177. 170 Comment
  UC68869  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  UC912521  Geraea canescens Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon 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
  RSA0112627  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring. 1500 Comment
  POM280086  Gilia angelensis Lyman Benson 1932-3-26 3173 Riverside Temecula Valley. 548 Comment
  RSA495817  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2927 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SEINET7072818  Gilia angelensis A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 7" North Latitude, -116? deg. 49' 54" West Longitude, Coordinate datum: NAD27.). Comment
  SEINET7073393  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. 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
  UCR52586  Gilia australis Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  LA102237  Gilia capitata subsp. abrotanifolia John C. Roos; Lucille Roos 1952-4-27 5585 Riverside San Timoteo Canyon in Redlands 426 Comment
  RSA72315  Gilia diegensis F. W. Peirson 1922-5-21 4137 Riverside Along east side of Hemet Valley 1357 Comment
  RSA769766  Gilia diegensis Duncan S. Bell, Valentin Arvizu 2010-5-10 988 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  UC908945  Gilia diegensis Carl Meyer June, 1927 201 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow (Forest Floor, San Jacinto Mts.) 1676 Comment
  UCR259197  Gilia diegensis Mitch Provance, Jeremiah George 2012-4-24 412- 02 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  CAS-BOT-BC407622  Gilia ochroleuca subsp. exilis Frank W. Peirson 1928-3-24 7725 Riverside Temescal Canyon, near auto camp 304 Comment
  SD114222  Gilia ochroleuca subsp. exilis Darley F. Howe 1969-5-15 4589 Riverside Near Dripping Springs camp ground. 456 Comment
  RSA0017103  Gilia ochroleuca subsp. exilis Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  RSA470045  Gilia stellata Robert Gustafson 1983-3-27 2490 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  SEINET3217332 Image available Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  UC1007232  Gilia stellata P. A. Munz 1940-3-24 15702 Riverside 2 mi n Cottonwood Springs; Eagle Mts., Cottonwood Springs 914 Comment
  RSA585812  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0346 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  CAS-BOT-BC303651  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Riverside: field on the W side of Iowa Ave, just N of the Santa Fe RR tracks 287 Comment
  UCR89233  Glinus lotoides Scott D. White 1995-9-22 3688 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
  UCR231742  Gnaphalium californicum John F. Green 2008-4-23 08- 13 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR106347  Gnaphalium canescens subsp. beneolens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA526078  Gnaphalium palustre Steve Boyd, T. S. Ross 1990-5-11 4632 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR22034  Gnaphalium palustre Steve Boyd 1980-5-11 257 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA91697  Gnaphalium palustre F. W. Peirson 1930-5-10 8769 Riverside Roadside, on Hemet Plateau near March Field, between Riverside and Perris. 457 Comment
  RSA655040  Gnaphalium stramineum Scott D. White 1999-6-6 7529 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  JOTR32484  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
  UC354428  Guillenia lasiophylla Edmund C. Jaeger 1925-12-12 Riverside near Palm Springs; Eagle Canyon 106 Comment
  RSA597056  Gutierrezia californica D. L. Banks, Lauren Raz 1996-11-5 1161 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  RSA648085  Gutierrezia californica var. bracteata J. C. Roos 1940-9-2 222 Riverside New Jackrabbit trail. 3 or 4 mi. W of Beaumont. Comment
  UCR34972  Gutierrezia sarothrae L. B. Ziegler 1967-9-28 257 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  CAS-BOT-BC231100  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  RSA0066599  Harpagonella palmeri Steve D. Boyd 2001-4-12 10414 Riverside Gavilan Hills Region: Southeast base of Alberhill Mountain on flats north of Nichols Road and west of Pierce Street, in the vicinity of Terra Cotta. Comment
  SEINET3242790 Image available Harpagonella palmeri Steve Boyd 1986-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate Comment
  UC882183  Harpagonella palmeri P. A. Munz and I. M. Johnston 1922-5-19 5335 a Riverside 5 mi ne Murietta 457 Comment
  UCR121883  Harpagonella palmeri Ian G. Gillespie, Abby Sirulnik 2000-5-7 36 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  RSA0066612  Harpagonella palmeri D. L. Banks 1997-3-29 1652 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  UCR281216  Harpagonella palmeri var. palmeri Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 38 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  SDSU17493  Hedypnois cretica Jerry Jenkins 2001-3-31 2001 -015 Riverside Santa Margarita Ecological Reserve. Edge of avacado grove west of station and just above river. UTM zone 6, 481900E, 3699200N. UTM transfered to GIS. Comment
  UCD132672  Hedypnois cretica Mitch Provance 1999-5-4 1681 Riverside Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 243 Comment
  UC57440  Helenium puberulum H. M. Hall 1901-8-1 Riverside vicinity Riverside 259 Comment
  RSA262060  Helianthus gracilentus E. W. Lathrop 1966-5-8 6452 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA714434  Helianthus gracilentus A. C. Sanders 2004-5-12 27889 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  POM11986  Helianthus niveus subsp. canescens M. French Gilman 1922-05 s.n. Riverside Andrea's Canyon, Palm Springs. Comment
  RSA388419  Heliotropium curassavicum var. oculatum R. F. Thorne 1985-7-18 61193 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR136201  Hemizonia fasciculata A. C. Sanders 2004-6-20 28221 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  UCR139191  Hemizonia fasciculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  POM17514  Hemizonia kelloggii P. A. Munz 1923-6-18 7124 Riverside 3 miles N of Lake Elsinore. 412 Comment
  RSA773102  Hemizonia kelloggii Duncan S. Bell, J. D. England 2010-6-7 1273 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 775 Comment
  RSA688835  Hemizonia paniculata Scott D. White, Michael Honer 2003-6-17 9553 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  RSA791795  Hemizonia paniculata J. George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Road and Collier Ave. junction. 384 Comment
  UCR178161  Hemizonia paniculata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR181627  Hemizonia paniculata Mitch Provance 2003-6-7 7606 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  UCR220307  Hemizonia paniculata Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  UCR258629  Hemizonia paniculata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-6-2 8061 Riverside Peninsular Range; Perris-Aguanga Basin, rolling hills just north of Franklin Street between Miramar and Channing Way, c. 1 mi northeast of Lake Elsinore 429 Comment
  UCR89249  Hemizonia paniculata Scott D. White 1995-9-22 3680 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
  UCR104204  Hemizonia pungens subsp. laevis Scott D. White 1997-5-25 5244 B Riverside Perris Basin, Winchester area, roadside of Simpson Ave. <1 mi. west of intersection with Winchester Rd. 445 Comment
  UCR189569  Hemizonia pungens subsp. laevis Lee A. Ripma 2007-10-11 020 Riverside Peninsular Range; San Jacinto foothills, 0.1 mi north of main paved road and c. 0.2 mi west of Potrero Creek 655 Comment
  CAS-BOT-BC403802  Hesperocnide tenella A. C. Sanders 1997-3-1 19753 Riverside Riverside: Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Springs Cyn. 457 Comment
  RSA359882  Hesperocnide tenella Steve D. Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA587424  Hesperolinon micranthum D. L. Banks, Steve D. Boyd 1995-6-2 568 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in S32, W of the Dripping Springs Alcove Area. 890 Comment
  UCR241230  Heteromeles arbutifolia Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 689 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  SDSU4589  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T3S, R3S, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  UCR51858  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2091 Riverside Peninsular Range, Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek 366 Comment
  SEINET3167706  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8985 Riverside CA-74, 12.7 km S of CA-243, S of Lake Hemet Comment
  OBI52046  Heuchera hirsutissima Michael Curto, Linda Allen 1990-6-18 664 Riverside Santa Rosa Mt, NW slope, Santa rosa Mt rd 9SBNF 7S02) ca 1.5 km W of Santa Rosa Springs campground 2250 Comment
  RSA680554  Hibiscus denudatus Scott D. White, Michael Honer 2003-4-30 9132 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  POM48031  Hieracium horridum P. A. Munz, I. M. Johnston 1924-7-27 8740 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  UCR2457  Hilaria rigida F. M. Reed 1931-4-11 6941 Riverside Sonoran (Colorado) Desert, Chuckwalla Mesa, 'eastern Mohave Desert', near Fullers Well [=Chuckwalla Well?] 598 Comment
  UCR282317  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 803 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  CAS-BOT-BC207504  Hoffmannseggia glauca J. Vowloh 1977-10-30 2056 Riverside Ford Dry Lake Comment
  RSA698741  Hoffmannseggia microphylla W. Marquart 1938-3-12 s.n. Riverside 15 mi. W of Blythe. Comment
  RSA449812  Holodiscus microphyllus G. R. Johnstone 1928-3-9 s.n. Riverside Summit 3294 Comment
  UCR162940  Hordeum depressum Fred M. Roberts, D. E. Bramlet 2005-4-1 6147 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA551080  Hordeum marinum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51993 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR91872  Hordeum marinum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18050 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR94236  Hordeum marinum Scott D. White 1996-4-14 3892 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UCD86471  Hordeum murinum subsp. leporinum Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55420 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge. In sandy wash E of bridge and on base of W-facing slope of ridge. 411 Comment
  RSA85233  Horkelia clevelandii F. W. Peirson 1924-7-28 5006 Riverside Pine Flats on road from Banning to Idyllwild 1799 Comment
  RSA0042109  Horsfordia newberryi Duncan S. Bell, Deidre Conocchioli 2014-3-11 6226 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  CLARK-A1528-1952  Hulsea vestita subsp. callicarpha John C. Roos 1946-8-27 2783 Riverside Santa Rosa Mountains 2407 Comment
  POM11998  Hulsea vestita subsp. callicarpha Mary F. Spencer 1921-5-18 1200 Riverside Idyllwild; San Jacinto Mt. 1706 Comment
  POM12931  Hulsea vestita subsp. callicarpha P. A. Munz 1922-6-28 5877 Riverside Near Toro Peak, Santa Rosa Mts. 2407 Comment
  POM15086  Hulsea vestita subsp. callicarpha Mary F. Spencer 1922-6-15 1200 Riverside Prope [near] Idyllwild. San Jacinto Mt. 1220 Comment
  RSA360714  Hulsea vestita subsp. callicarpha N. R. Zabriskie, Walter Zabriskie 1970-5-17 299 Riverside Strawberry Firebreak, south of end of Marion Ridge rd., Pine Cove San Jacinto Mts. 1920 Comment
  RSA679102  Hulsea vestita subsp. callicarpha Mark Elvin, Victoria Jotikasthira, Ron Wehterford, Jason Wehterford 1996-5-10 173 Riverside San Bernardino National Forest Comment
  UCD133291  Hulsea vestita subsp. callicarpha D. H. Wilken 1969-6-30 7856 Riverside Riverside County Road R1, at junction of Dark Canyon Road, 5 miles northeast of Idyllwild, San Jacinto Mountains. 1524 Comment
  POM78960  Hydrocotyle umbellata I. M. Johnston 1925-7-7 5287 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  RSA784950  Hymenoclea salsola Duncan S. Bell 2012-2-12 3108 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR85286  Hymenoclea salsola Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  RSA777819  Hymenoclea salsola var. pentalepis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 848 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  RSA191410  Hypericum formosum var. scouleri E. W. Lathrop, R. F. Thorne 1967-9-26 6620 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA314637  Hypochaeris glabra R. F. Thorne, Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55454 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SD140187  Hypochaeris glabra Scott White 1993-4-22 1230 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  JEPS63222  Hyptis emoryi E. E. Schellenger May 1920 Riverside canyon e Coachella (Colorado Desert); , e of Coachella Comment
  PASA1155  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  RSA420155  Hyptis emoryi Ora M. Clark 1929-3-17 1727 Riverside Palm Springs. Comment
  RSA600126  Hyptis emoryi Louis C. Wheeler 1959-12-27 7642 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UC472941  Hyptis emoryi M. F. Spencer 1918-4-5 Riverside Palm Canyon; Colorado Desert, Palm Canyon 150 Comment
  UCR109532  Hyptis emoryi R. D. Goeden, Don W. Ricker 1971-4-1 s.n. Riverside Sonoran Desert, Chuckwalla Mountains at Granite Well, SW of Desert Center, 0.4 mi. past sign saying 'Edmund C. Jaeger Nature Sanctuary' in bottom of canyon at old road crossing 366 Comment
  UCR75068  Hyptis emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12113 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET12277044  Hyptis emoryi L. S. Rose 1936-1 36791 Riverside Palm Canyon Wash 152 Comment
  CAS-BOT-BC274059  Imperata brevifolia Louis C. Wheeler 1933-12-2 2318 Riverside US 99 2 mi. NW Whitewater Station 365 Comment
  RSA155458  Isocoma acradenia var. eremophila L. S. Rose 1961-11-23 61062 Riverside La Quinta. 15 Comment
  RSA314398A  Isocoma acradenia var. eremophila R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55404 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA619794  Isocoma menziesii A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley; west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. 459 Comment
  UCR281878  Isocoma menziesii Mitch Provance 2012-11-9 1112- 18 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
  UC1605509  Isoetes howellii Terry O'Brien May 1995 2131 Riverside ca 5 mi sw of Grand Ave in Murrieta on Clinton Keith Rd Mesa de Colorado; Santa Rosa Plateau Preserve 600 Comment
  UCR22501  Isomeris arborea var. arborea C. S. Jones 1979-2-24 8 Riverside Sonoran (Colorado) Desert, 4 miles southeast of Eagle Mountain., near old Eagle Mtn. Road 305 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
  UCR246589  Iva axillaris A. C. Sanders 2012-3-22 39990 Riverside Peninsular Range; Elsinore Valley, city of Lake Elsinore, 0.4 km SW (210 deg. ) of intersection of Riverside Dr. and Collier Ave. 385 Comment
  JEPS41097  Iva axillaris subsp. robustior W. L. Jepson and H. M. Hall 1901-5-27 1475 Riverside Cahuilla Valley w Riverside County, Cahuilla Valley Comment
  UC76429  Iva axillaris subsp. robustior Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  UCR261370  Juglans A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41571 Riverside Peninsular Range, Temescal Valley, open parcel on west side of Horsethief Canyon Rd. and south of DePalma Rd. 387 Comment
  CAS-BOT-BC136681  Juglans hindsii R. E. Riefner, Jr. 2009-8-15 09 -174 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 mi W of I-15 Fwy 297 Comment
  UCR100825  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  UCR189776  Juglans nigra Kimberly Skahan 2006-10-6 38 Riverside Peninsular Ranges, Santa Ana Mountains, Santa Margarita Ecological Reserve Comment
  SBBG57379  Juncus R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  UCR109646  Juncus balticus T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR232054  Juncus balticus John F. Green 2008-4-22 06- 05 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
  SD187306  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UCR193885  Juncus bufonius A. C. Sanders, Mitch Provance 2008-7-11 35802 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
  UC1265370  Juncus bufonius var. occidentalis Robert F. Thorne and Earl Lathrop 1969-5-12 37924 Riverside s end Mesa de Colorado, Rancho Californua; Santa Rosa Plateau 624 Comment
  UCD169325  Juncus macrophyllus A. C. Sanders 2008-7-25 35885 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch. 1524 Comment
  POM14977  Juncus oxymeris Mary F. Spencer 1922-6-17 1986 Riverside Idyllwild, San Jacinto Mountains. 1677 Comment
  UC1601831  Juncus oxymeris H. M. Hall 1897-8-20 856 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR95422  Juncus oxymeris C. W. Tilforth, W. Wisura 1981-7-10 2114 Riverside Stanley Road, S leg of Red Mtn loop, east of Hwy R3, south of Hemet Comment
  RSA368389  Juncus xiphioides John Olmsted 1962-5-10 3658 Riverside Between Sandia and DeLuz Creeks, Murrieta to DeLuz Road, western Riverside County. 206 Comment
  UC813451  Juniperus californica I. W. Clokey 1935-4-17 6507 Riverside Cottonwood Springs Comment
  UCR93044  Juniperus californica Scott D. White 1995-12-24 3797 Riverside Lakeview Mtns., Juniper Flats Road, c. 1.2 road mi north of the junction w/ SR 74. 610 Comment
  CAS-BOT-BC234588  Justicia californica S. B. Parish 1916-5-13 10840 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA402303  Justicia californica Gale Sphon 1955-5-15 s.n. Riverside Dead Indian Canyon near Palm Springs. Comment
  VVC700  Justicia californica P. J. MacKay, T. Thomas 1997-2-8 95 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  RSA0104499  Kallstroemia parviflora Duncan S. Bell, Sarah DeGroot 2015-9-21 8645 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, approximately 0.5 air mile east of Potrero Spring. 1147 Comment
  CAS-BOT-BC235493  Keckiella antirrhinoides Wayne Law; Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  RSA401733  Keckiella antirrhinoides Anstruther Davidson 1895-5-18 s.n. Riverside Banning. Comment
  RSA543937  Keckiella antirrhinoides Steve D. Boyd 1991-5-10 6215 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  SFV16370  Keckiella antirrhinoides n. s. 1992-5-16 Riverside Lake Matthews. Comment
  UCD123739  Keckiella antirrhinoides K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR174045  Keckiella antirrhinoides A. C. Sanders 2006-5-19 32448 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
  UCR201952  Keckiella antirrhinoides Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  CAS-BOT-BC236715  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  NY786519  Keckiella antirrhinoides var. antirrhinoides I. W. Clokey 1936-4-16 6885 Riverside Along San Jacinto River, East of Hemet 600 Comment
  NY786715  Keckiella antirrhinoides var. antirrhinoides S. D. Boyd 1991-5-10 6217 Riverside Santa Ana Mountains, base of range, just north of mouth of Hagador Canyon at bottom of Skyline Drive. 426.7 Comment
  UC887173  Keckiella antirrhinoides var. microphylla B. D. Stark 1933-5-13 Riverside 8 mi up Palma to Pines Highway; San Jacinto Mts 1219 Comment
  JEPS11220  Keckiella ternata W. L. Jepson 1903-8-3 2258 Riverside Idyllwild; San Jacinto Mt. 1524 Comment
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Aug 21 2011
  RSA681038  Kochia scoparia Scott D. White 2003-6-9 8602 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  LA45676  Krameria bicolor Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, Morongo Pass Comment
  RSA697951  Krameria canescens J. R. Bruff 1927-11-24 6 Riverside Whitewater. Comment
  CAS-BOT-BC168506  Krameria erecta Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  JOTR31094  Krameria erecta La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2355 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  UC17423  Krameria erecta H. M. Hall June, 1901 2114 Riverside eastern base San Jacinto Mountains (along the borders of the Colorado Desert); borders of Colorado Desert, eastern base San Jacinto Mountai Comment
  CLARK-A1528-3029  Krameria grayi John C. Roos 1948-4-24 3804 Riverside Whitewater Comment
  RSA0040096  Krameria grayi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6256 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UC192438  Krameria grayi S. B. and W. F. Parish Mar 1882 84 Riverside borders of the Colorado Desert Comment
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Oct 5 2016
  UC472703  Krameria grayi M. F. Spencer 1922-4-28 405 Riverside Chino Canyon Palm Springs (Palm Springs); Colo. Desert, , Chino Canyon <Colorado Desert> Comment
  CSUSB1163  Krameria parvifolia Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UCR199607  Lactuca serriola Scott D. White, Angelia Carey 2004-7-2 10572 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR207784  Lamium amplexicaule O. F. Clarke 2004-3-13 s.n. Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, along the Santa Ana River, West Riverside 226 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
  POM10415  Langloisia setosissima subsp. setosissima Charlotte M. Wilder 1907-4-6 712 Riverside Whitewater Ranch Comment
  RSA0121060  Langloisia setosissima subsp. setosissima Duncan S. Bell, Thomas Stoughton 2016-3-16 8946 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA0047318  Larrea tridentata Jim Andre 2014-1-27 26658 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR89566  Larrea tridentata George K. Helmkamp 1994-3-8 41 16 Riverside Western Colorado Desert, SW-facing slope at the junction of [Date] Palm Dr. and Varner Rd., below Edom Hill, 'Indio Hills 152 Comment
  RSA390026  Larrea tridentata Anstruther Davidson 1893-03 s.n. Riverside [Unspecified] Comment
  RSA719071  Larrea tridentata Michael Honer 2005-3-18 2095 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  POM265699  Lastarriaea coriacea J. C. Roos 1937-5-2 1802 Riverside La Sierra, western Riverside. [Collection is Jack Frost Lake. aka Frost Reservoir, apparently a part of La Sierra, Loma Linda University Campus] ca. 1937 south of Indiana Avenue and west of Sayward Circle, near Pierce. Comment
  CAS-BOT-BC354214  Lasthenia coronaria A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37811 Riverside Peninsular Range: southeastern Gavilan Hills N of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  POM361587  Lasthenia coronaria M. B. Dunkle 1935-3-10 4356 Riverside Temescal Canyon. 274 Comment
  RSA776212  Lasthenia coronaria Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 864 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SD144036  Lasthenia coronaria A. C. Sanders 1997-3-1 19710 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark Varsity) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR281787  Lasthenia coronaria Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 102 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  POM5999A  Lasthenia gracilis C. F. Baker 1904-4-4 4086 Riverside Elsinore. Comment
  RSA12915  Lasthenia gracilis C. B. Wolf 1935-4-7 6305 Riverside 2 mi. SW of Perris. 427 Comment
  RSA736568  Lasthenia gracilis Keith E. Hoffmaster 1935-3-3 839 Riverside Near Santa Ana River, north of Arlington. Comment
  SBBG104098  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 Riverside western edge of Hemet, along S side of Devonshire Ave, between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (St Hwy 74) 460 Comment
  UC1536905  Lasthenia gracilis G. H. True 1935-3-19 132 Riverside 6 mi se Perris 487 Comment
  UCR91211  Lasthenia gracilis A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18070 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  PASA1050  Lathyrus alefeldii Frank W. Peirson 1922-4-28 Riverside Leach canyon, Elsinore Region 548 Comment
  RSA736550  Lathyrus laetiflorus Scott D. White, Angelia Carey 2004-7-2 10583 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA33563  Layia glandulosa N. C. Cooper 1944-3-25 1004 Riverside Cabazon. 457 Comment
  SEINET4010588 Image available Layia glandulosa O. M. Clark 1929-1 1669 Riverside South Cabazon, southern California. Comment
  UCR34930  Layia glandulosa L. B. Ziegler 1967-6-1 143 Riverside San Jacinto Mtns, Hemet (Garner) Valley, in Kenworthy area 1402 Comment
  HSC85267  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside W side of Indian Wash, S of I-15 Comment
  RSA775228  Layia ziegleri Duncan S. Bell, Valentin Arvizu 2010-5-24 1098 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  UCR281001  Lepidium densiflorum Mitch Provance, John Hazlett 2017-4-27 417- 39 Riverside Elsinore Trough, Lake Elsinore, S end of Birch St., 0.1 mi W of Chaney St. and Education Way 386 Comment
  SD181640  Lepidium dictyotum var. dictyotum Steve Boyd 2001-4-12 10410 Riverside Gavilan Hills Region: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street. Comment
  UCR265598  Lepidium didymum Jordan Zylstra 2014-3-18 14012 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA27377  Lepidium fremontii C. L. Hitchcock 1940-4-2 5921 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  JOTR31099  Lepidium fremontii var. fremontii La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2357 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  UCR239906  Lepidium lasiocarpum O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UCR251914  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2013-3-27 24836 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  CAS-BOT-BC257783  Lepidium latipes A. C. Sanders; T. B. Salvato 2011-4-4 38971 Riverside Peninsular Range: Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  RSA645673  Lepidium nitidum Scott D. White 1999-5-2 7290 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  RSA407717  Lepidium virginicum var. pubescens Steve Boyd 1986-4-22 1760 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA0014450  Lepidium virginicum var. robinsonii Justin M. Wood 2010-3-4 1420 Riverside Prado Basin: City of Corona. Just NW of sewage treatment dike (intersection of railroad st. and Yorba St.) 160 Comment
  RSA614545  Lepidium virginicum var. robinsonii A. C. Sanders, Waines, Ehdaie Aryavand 1997-3-12 19881 Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR113592  Lepidium virginicum var. robinsonii A. C. Sanders 1998-1-15 21632 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  JOTR35237  Lepidospartum squamatum Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, below Eureka peak on west boundary Comment
  RSA614495  Lepidospartum squamatum A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15806 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  CAS-BOT-BC274021  Leptochloa fusca subsp. uninervia Lewis S. Rose 1957-1-3 57008 A Riverside La Quinta 15 Comment
  SEINET3829011  Leptochloa uninervia Steve Boyd, Orlando Mistretta 1992-1 7050 Riverside Southern 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
  UCR92314  Leptochloa uninervia Scott D. White 1995-7-7 3457 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA668921  Leptodactylon pungens Heidi West 2000-7-18 s.n. Riverside On the south-facing side of a large rock outcrop/ batholyth facing hidden lake in Mount San Jacinto State Park and Wilderness., The outcrop is 0.5 air miles E-NE of Divide Peak, it occurs primarily south of Long Valley Creek and is immediately north & upslope of Hidden Lake. 2659 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
  SD119890  Leptosiphon floribundus subsp. glaber Louis B. Ziegler 1973-4-26 518 Riverside San Jacinto Mountains; hillside in lower Bautista Canyon. 533 Comment
  POM364627  Leptosiphon lemmonii Anstruther Davidson s.n. Riverside Idyllwild. Comment
  RSA525335  Leptosiphon lemmonii Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4465 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  RSA262081  Leptosiphon liniflorus E. W. Lathrop 1968-5-22 6945 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SEINET8483151 Image available Leptosyne californica D. Terrell 1969-3-21 71 Riverside 17 mi S of Corona on Hwy 71. 122 Comment
  UCR132925  Lessingia filaginifolia John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  POM122893  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
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Sep 16 2011
  SBBG35002  Lessingia glandulifera var. glandulifera T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, E of Hemet Comment
  SD160999  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Wilson Valley Mitigation Bank. Comment
  RSA198976  Lilaea scilloides Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 377595 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UCR60834  Lilaea scilloides R. F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SBBG122293  Limnanthes gracilis subsp. parishii A. C. Sanders, T. Thomas 2008-6-20 35537 Riverside May Valley near Fleming Ranch, N of Bonita Vista Rd and E of Herkey Crk 1550 Comment
  RSA723549  Limonium ramosissimum R. E. Riefner 2006-8-22 6 -398 Riverside Corona-La Sierra area, vicinity of Green River Rd. and Palisades Dr. 16 Comment
  RSA764570  Linanthus bigelovii Michael Wall 2010-6-7 569 Riverside Bautista Creek off Bautista Canyon Rd., ca. 6.6 miles SE of jct. with Fairview Ave. 760 Comment
  UCR8102  Linanthus ciliatus B. Freeman 1969-6-13 690613- 01 Riverside San Jacinto Mtns., University of California, Riverside's James Reserve, near Lake Fulmor, on road from Banning to Idyllwild. Trailfinder's Camp. 1646 Comment
  UC1537468  Linanthus lemmonii Gordon H. True Jr. 1935-4-11 576 Riverside Gavilan Hills 609 Comment
  CLARK-A1528-3477  Linanthus liniflorus John C. Roos 1952-5-26 5712 Riverside Reche Canyon 457 Comment
  UCR35059  Linanthus liniflorus subsp. pharnaceoides L. B. Ziegler 1967-9-6 239 Riverside San Jacinto Mtns, Hemet Valley (=Garner Valley), Quinn Flats region 1375 Comment
  RSA645179  Linanthus maculatus J. Mark Porter, L. Machen 1995-4-14 10693 Riverside Floodplains of Morongo Wash, east of Highway 63, and south of the intersection of Indian Avenue and Hwy 62. 500 Comment
  RSA705852  Linaria canadensis Steve D. Boyd, Darin Banks 1994-4-5 8260 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR97499  Linaria canadensis var. texana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19875 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA495423  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2949 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA92551  Lithophragma affine subsp. mixtum J. C. Roos, L. Roos 1954-4-17 6067 Riverside Canyon SE of summit of Reche Canyon. 686 Comment
  UCR162547  Lobularia maritima S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  UCSB31751  Loeseliastrum schottii Murch, Patricia 1963-4-7 Riverside Joshua Tree National Forest 914 Comment
  UCR225141  Logfia arizonica Dave Silverman, Onkar Singh 2010-3-25 7843 Riverside Sonoran (Colorado) Desert, NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10 151 Comment
  SD124230  Logfia filaginoides Robert F. Thorne, Fosberg, Sachet and Herbst 1983-4-23 55488 Riverside San Bernardino Mountains; sandy wash along Whitewater River. Four miles north of Whitewater Post Office. 640 Comment
  UCR87617  Logfia filaginoides A. C. Sanders 1994-5-30 14613 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CLARK-A1528-4717  Lolium perenne subsp. multiflorum John C. Roos 1953-4-21 5915 Riverside March Air Force Base 457 Comment
  SEINET1869725  Lolium rigidum Walter Graves 2002-1 502 -16 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  RSA221026  Lomatium lucidum E. W. Lathrop 1966-3-23 6089 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  SD215374  Lomatium lucidum Steve Boyd, Tim Toss et al 1990-4-2 4039 Riverside Vail Lake area,lower slopes of Agua Tibia Mountain, along Highway 79, east of USFWS Dripping Springs Guard Station 487 Comment
  JOTR30248  Lomatium mohavense Leary, C. and Leary, Pat 1979-5-5 2986 Riverside Joshua Tree National Park. Above Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 Comment
  UC21232  Lomatium mohavense H. M. Hall 1899-5-26 1184 Riverside San Jacinto Mts., Nigger Jim Hill Comment
  UCR244427  Lomatium mohavense Jim Andre 2012-4-16 20960 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 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
  RSA192213  Lomatium vaginatum E. W. Lathrop 1960-3-11 4655 Riverside 5 miles west of Murrieta. Comment
  UC2029940  Lonicera subspicata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. Comment
  UCR262252  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 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
  SD229122  Lonicera subspicata var. denudata Dick Schwenkmeyer 2012-3-26 676 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UCR122740  Lotus argophyllus var. argophyllus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3381 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  POM9225  Lotus argophyllus var. argophyllus I. M. Johnston 1920-5-8 2237 Riverside Butte west of Lakeview 610 Comment
  UCR214135  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37739 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR42785  Lotus hamatus B. G. Pitzer, Karen Kirtland 1986-5-20 0230 Riverside Butterfield Stage Ranch development, in the hills on the north side of Pauba Valley in the Rancho California area, 1 mi south of Buck Mesa on the east side of Butterfield State Road 457 Comment
  SEINET238655 Image available Lotus heermannii A. C. Sanders, T. Schram; D. Wappler 1994-10-4 15773 Riverside San Jacinto Mountains: north slope of the mtns.; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek 915 Comment
  UCR23899  Lotus nevadensis var. nevadensis John C. Roos 1937-8-18 2541 Riverside San Jacinto Mtns., Near Willow Creek 2439 Comment
  RSA406218  Lotus oblongifolius M. B. Dunkle 1933-7-20 3712 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC864848  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6722 Riverside Fuller Creek San Jacinto Mts. 1500 Comment
  RSA789414  Lotus purshianus Naomi Fraga 2008-8-28 2610 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  RSA596669  Lotus purshianus var. purshianus D. L. Banks, Lauren Raz 1996-11-5 1151 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
  RSA498788  Lotus rigidus Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  UCR122769  Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3376 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  RSA90307  Lotus rigidus F. W. Peirson 1921-3-23 4084 Riverside Deep Canyon, north base of Santa Rosa Mts. 335 Comment
  SEINET10484457  Lotus rigidus L. Rose 1935-12-23 Rose 35694 Riverside Above deep canyon, san jacinto mts. 22 Mi s of cathedral city. Rock slopes. 1067 Comment
  UC310841  Lotus salsuginosus Philip A. Munz 1925-5-20 9831 Riverside 2 mi w Dripping Spring 426 Comment
  RSA90426  Lotus salsuginosus var. salsuginosus F. W. Peirson 1928-3-10 7705 Riverside Hidden Spring, northern Colorado Desert. Comment
  UCR102760  Lotus scoparius B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3583 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  POM50378  Lotus scoparius var. brevialatus W. W. Eggleston 1924-3-8 19525 Riverside Hemet. 480 Comment
  RSA6122  Lotus scoparius var. brevialatus C. B. Wolf 1932-5-25 3692 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  SEINET7063237  Lotus strigosus A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR152517  Lotus strigosus A. C. Sanders 2005-4-22 29602 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR177997  Lotus strigosus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR225719  Lotus strigosus A. C. Sanders 2011-3-30 38908 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR97432  Lotus strigosus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19885 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA526495  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross 1990-5-11 4690 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA406407  Lotus strigosus var. tomentellus Gale Sphon 1955-5-21 s.n. Riverside 5 miles north of Lake Fulmore Comment
  RSA498757  Lotus tomentellus Robert L. Dressler 1949-3-19 374 Riverside Box Canyon, Orocopia Mts. Comment
  RSA517817  Lotus tomentellus Steve Boyd, Orlando Mistretta 1986-3-13 1434 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  POM98794  Lotus tomentellus P. A. Munz 1926-1-31 9982 Riverside Clay hills, west of Dos Palmos, Colorado Desert. Comment
  RSA670676  Lotus wrangelianus B. C. Templeton, I. W. Clokey 1930-4-9 1026 Riverside North of Banning 457 Comment
  RSA85585  Lotus wrangelianus J. C. Roos 1952-4-9 5478 Riverside Fairmount Park 259 Comment
  RSA800196  Lupinus arizonicus Robert F. Thorne 1963-3-29 32404 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 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
  UCD170870  Lupinus arizonicus Alejandra Martinez-Berdeja; Cara M. Stripe 2010-4-24 51 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio. 91 Comment
  UCR245956  Lupinus arizonicus Duncan S. Bell 2009-3-7 31 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  UCSB3266  Lupinus arizonicus Wilson, Richard 1958-3-22 Riverside 7 miles East of Desert Center, on U.S. Highway 60-70 Comment
  UCR16250  Lupinus bicolor Sally Crum 1966-3-20 s.n. Riverside Peninsular Ranges, Santa Ana Mountains, 1 mi. west of Murrieta on Tenaja Road 1220 Comment
  UCR263  Lupinus bicolor Eugene Cardiff, Ken Smith 1954-5-17 s.n. Riverside Peninsular Range, Pigeon Pass, Box Springs Mountains, east of Riverside 610 Comment
  SEINET7040151 Image available Lupinus bicolor subsp. marginatus A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  RSA350063  Lupinus bicolor subsp. microphyllus N. C. Cooper 1947-4-5 2038 Riverside Alamos Canyon, Elsinore 762 Comment
  SD119936  Lupinus concinnus Louis B. Ziegler 1967-6-8 155 Riverside Hemet Valley; San Jacinto Mountains. 1402 Comment
  UC15833  Lupinus concinnus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  RSA581751  Lupinus concinnus subsp. optatus M. Wall, Lorrae Fuentes 1995-4-13 100 Riverside San Jacinto Mountains, along Hwy 243 out of Banning, 10 miles south of Interstate 10. Comment
  SEINET10485077  Lupinus concinnus subsp. optatus Robert F. Thorne, F. R. Fosberg; Marie, Helene Sachet; Derral Herbst 1983-4-23 Thorne 55497 Riverside San berdino mts: sandy wash along whitewater river where road crosses river Below fish hatchery, ca. 4 Mi north of whitewater post office. Prostrate, Purple-flowered annual. 640 Comment
  RSA407144  Lupinus concinnus subsp. orcuttii N. C. Cooper 1944-4-22 2634 Riverside Banning. 732 Comment
  SEINET10870983  Lupinus densiflorus var. austrocollium Robert F. Thorne 1968-5-8 Thorne 37598 Riverside Santa rosa plateau: grassy bank along small stream near roadside, rancho California; with cirsium drummondii, astragalus pomoninsis, etc. 610 Comment
  SBBG35011  Lupinus excubitus T. L. Secrest 1951-5-18 Riverside San Jacinto River, E of Hemet Comment
  RSA770703  Lupinus excubitus var. austromontanus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4809 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA630294  Lupinus formosus var. formosus R. S. Woglum 1941-5-17 3059 Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. Comment
  RSA413692  Lupinus hirsutissimus N. C. Cooper 1945-5-5 2249 Riverside San Gorgonio Mountains above Banning 762 Comment
  RSA708058  Lupinus hirsutissimus Scott D. White, Angelia Carey 2004-4-16 10194 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR155321  Lupinus hirsutissimus A. C. Sanders, Mike Misenhelter 2005-3-23 29249 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR4134  Lupinus hirsutissimus Ronald M. Cope 1965-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Canyon on E side of Canyon Crest Drive, c. 2.5 mi. from fire prevention lab. 259 Comment
  UCR42380  Lupinus hirsutissimus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 167 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
  RSA600850  Lupinus hyacinthinus C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Above Marion Camp. Comment
  SEINET238551  Lupinus hyacinthinus George K. Helmkamp 1998-6-27 4124 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA221043  Lupinus longifolius E. W. Lathrop 1966-5-8 6444 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA620640  Lupinus sparsiflorus B. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3585 Riverside San Bernardino Mountains: Wildlands Conservancys Mission Creek Preserve. 762 Comment
  RSA722340  Lupinus sparsiflorus J. R. Bruff 1928-4-2 116 Riverside Canyon W of Morengo Comment
  UC1929914  Lupinus sparsiflorus Scott D. White 2004-4-26 10242 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UC56612  Lupinus sparsiflorus H. M. Hall Apr. 1902 2939 Riverside Riverside Comment
  UCR102936  Lupinus sparsiflorus George K. Helmkamp 1998-4-3 3091 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR241213  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 50 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  UCR244296  Lupinus sparsiflorus Jim Andre 2012-4-16 20876 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  POM24304  Lupinus sparsiflorus subsp. sparsiflorus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR241385  Lupinus succulentus T. B. Salvato, Mike Landers 2013-3-21 7384 A Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  RSA314674  Lupinus truncatus Robert F. Thorne, F. R. Fosberg, Charles C. Herbst, M. H. Sachet 1983-4-23 55499 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA614166  Lupinus truncatus D. L. Banks 1997-2-23 1311 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR154397  Lupinus truncatus A. C. Sanders, Mike Misenhelter 2005-6-15 30951 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
  UCR20713  Lupinus truncatus A. C. Sanders, Steve Boyd 1980-5-2 1426 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA314463  Lycium andersonii Robert F. Thorne, F. R. Fosberg, Herbst 1983-4-23 55475 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR179764  Lycium andersonii R. E. Riefner Jr. 2006-5-23 06- 203 Riverside Temescal Canyon, near city of Corona, 0.25 mi. SE from Cajalco Rd. at Temescal Wash 254 Comment
  POM96841  Lycium andersonii var. deserticola F. M. Reed 1926-5-5 5289 Riverside Banks of the Arroyo Tequesquite 244 Comment
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May 1 2011
  POM160092  Lycium brevipes var. brevipes E. C. Jaeger 1927-3-20 s.n. Riverside Hidden Spring, Colo. Desert. Comment
  JOTR30955  Lycium cooperi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1930 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR101804  Lythrum californicum George K. Helmkamp, E. A. Helmkamp 1998-8-17 4441 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  UCR159187  Madia gracilis A. C. Sanders, Kelly Volansky 2005-8-31 31564 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  CAS-BOT-BC230891  Malacothamnus davidsonii John Thomas Howell 1952-10-24 28867 Riverside Pauba Ranch, about 8 miles east of Temecula Comment
  CLARK-A1528-617  Malacothamnus fasciculatus Stanley W. Austin 1969-5-8 28 Riverside Riverside 365 Comment
  CSUSB1011  Malacothamnus fasciculatus Heidi A. Haid 1964-5-8 6458 3 Riverside Box Springs Mountains Box Springs Mountains; 1/8 mile above end of Blaine Street. 426 Comment
  UC64038  Malacothamnus fasciculatus var. fasciculatus H. M. Hall 1897-7-29 765 Riverside El Toro Pk.; San Jacinto Mtns.; Santa Rosa Range 2438 Comment
  POM10289  Malacothrix clevelandii Charlotte M. Wilder 1905-5-14 582 Riverside Summit Jurupa Hills and extending north-west slope about 200 ft. 671 Comment
  RSA282907  Malacothrix clevelandii C. W. Tilforth, John Dourley 1980-7-15 2013 Riverside Along Thomas Mtn. Rd. south of Hemet, west of Hiway 74. 1662 Comment
  UC1042975  Malacothrix clevelandii John and Lucille Roos 1954-5-15 6119 Riverside summit Reche Canyon; summit Reche Canyon 731 Comment
  UCR116066  Malacothrix clevelandii O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR24138  Malacothrix clevelandii John C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  SBBG87399  Malacothrix coulteri A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6029 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  CAS-BOT-BC347695  Malacothrix glabrata L. A. Greata 1905-4-1 413 Riverside Coachella Comment
  RSA110397  Malacothrix glabrata E. K. Balls 1955-6-5 20954 Riverside In dry Morongo wash, nw. end of cochella valley. Comment
  RSA778241  Malacothrix glabrata Duncan S. Bell 2009-3-8 46 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SBBG55792  Malacothrix glabrata D. Keil, M. McLeod 1977-3-26 12009 Riverside Hwy 71, ca. 8 mi NW of Lake Elsinore St Recreation Area 365 Comment
  UC1979612  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor Steinmann 1995-7-10 0743 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. Comment
  LA62898  Malosma laurina Harlan Lewis; 1940-7-18 sn Riverside roadside, US 395, 5 mi W of Temecula Comment
  RSA638203  Malosma laurina Scott D. White 1998-10-9 7173 Riverside Corona, near Bedford Canyon: ''Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  UCR167783  Malvella leprosa T. B. Salvato, Gregg Miller 2005-6-3 1360 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR235060  Malvella leprosa A. C. Sanders, John F. Green 2012-5-27 40206 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  CAS-BOT-BC56804  Mammillaria grahamii Roxana S. Ferris 1928-4-20 7186 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA708060  Marah macrocarpa Scott D. White, Angelia Carey 2004-4-16 10153 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA586319  Marrubium vulgare D. L. Banks, Steve D. Boyd 1995-5-3 230 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
  UCR155308  Marrubium vulgare A. C. Sanders 2005-5-4 29855 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR213837  Matricaria discoidea Scott D. White, Justin M. Wood 2009-5-21 12854 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  CLARK-A1528-2011  Matricaria matricarioides John C. Roos 1966-3-24 Riverside Winchester Comment
  CSUSB1096  Medicago sativa Holzmiller 1966-4-26 Riverside roadside of highway 395 304 Comment
  UCR40517  Medicago sativa Steve Boyd 1985-7-23 1007 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 5.5 mi west of Rancho California 396 Comment
  UCR2908  Melia azedarach Nancy Atha 1963-4-21 4-21-63- 4 Riverside Riverside, NW side of Box Springs Mountain, c. 100 ft. above the end of Goodrich Drive 305 Comment
  SEINET239054 Image available Melica californica A. C. Sanders, G. Helmkamp 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills 567 Comment
  JEPS76204  Melica imperfecta W. L. Jepson 1939-4-17 19129 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  RSA403497  Melica imperfecta George R. Johnstone 1934-3-27 18578 Riverside Near Wildomar. Inland route to Temecula. Comment
  RSA599111  Melica imperfecta V. W. Steinmann 1996-4-13 831 Riverside East of Route 15, summit of hill (1577 ft) east of Temescal Canyon road at a point 0.2km NW of the jct. with Indian Truck Trail 500 Comment
  RSA700956  Melica imperfecta Gary D. Wallace 1982-5-15 2008 Riverside Palms to Pines Highway (74), just E of Spring Crest. Comment
  UCD88017  Melica imperfecta F. M. Reed 1919-1 4090 Riverside Rubidoux mountains, near riverside. Comment
  UCR155327  Melica imperfecta A. C. Sanders, Mike Misenhelter 2005-3-23 29259 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR41238  Melica imperfecta N. M. Fellows 1984-3-20 7 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  SEINET11678863  Melica imperfecta Unknown 1936-1 12769 Riverside 5 mi E of Banning Comment
  RSA500170  Melilotus albus Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3657 Riverside Vail Lake area, disturbed area at base of dam, head of Temecula Creek Cyn. 457 Comment
  RSA652195  Melilotus albus N. D. Hogg 1969-5-24 s.n. Riverside Palm Springs. Comment
  RSA535486  Melilotus indicus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6634 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
  RSA735073  Melinis repens Scott D. White, Justin M. Wood 2007-4-16 11652 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  CAS-BOT-BC223709  Mentzelia E. A. McGregor 1917-3-19 2053 Riverside Colorado Desert. Indio Comment
  JEPS42765  Mentzelia affinis W. L. Jepson 1914-5-23 6056 Riverside Conchilla Desert; ; Labed shows Colorado Desert, California Comment
  RSA719042  Mentzelia affinis Michael Honer 2005-3-11 2058 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCR72155  Mentzelia desertorum Theo Glenn 1991-5-8 91- 85 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA0038376  Mentzelia involucrata var. megalantha A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  SFV2377  Mentzelia laevicaulis A. M. Johnson 1932-8-18 4131 Riverside San Jacinto Mountains Along road on east side of mountains. Comment
  CAS-BOT-BC332724  Mercurialis annua O. F. Clarke 2011-2-27 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 365 Comment
  RSA601791  Mesembryanthemum nodiflorum D. E. Bramlet 1997-3-15 2502 Riverside Nicholas Road Wetlands. The site is located approximately 183m southeast of Nicolas Road, 91m west of Collier Ave. and 196 m. west of the I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to alberhill Creek. 116 Comment
  RSA586507  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0338 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SEINET273065  Microseris douglasii A. C. Sanders 1997-3-26 20131 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. 1550 Comment
  UCSB60195  Microseris douglasii Bramlet, D. 1992-4-29 Riverside 823 m. west of Gilman Springs Rd., approx. 460 m. S. of Bold Style Ave. 436 Comment
  UCR217522  Microseris douglasii subsp. platycarpha Rose Cook, Ana Hernandez 2010-4-15 02 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  RSA586495  Microseris heterocarpa D. L. Banks, S. D. Boyd 1995-5-9 0326 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UCR228854  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-3-28 38820 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR31279  Microseris heterocarpa A. C. Sanders, T. Glenn 1983-4-17 3734 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  UCR97278B  Microseris heterocarpa Scott D. White 1993-3-12 1171 B Riverside Near Winchester 466 Comment
  POM13833  Microseris lindleyi P. A. Munz 1922-4-28 5029 Riverside Temescal Canyon. Comment
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Apr 3 2011
  UCR174102  Microseris lindleyi A. C. Sanders 2006-5-19 32447 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
  SDSU13959  Mimetanthe pilosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2147 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, extreme southern end of northern most (narrow) deer grass meadow. 646 Comment
  UC26700  Mimulus aurantiacus var. pubescens H. M. Hall June, 1901 2077 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  UC943816  Mimulus aurantiacus var. pubescens H. E. McMinn 1949-6-9 5589 Riverside 1 mi n San Diego Co. line (near Aguanga on Highway 71) Comment
  RSA442707  Mimulus aurantiacus var. puniceus Robert Gustafson 1983-4-18 2500 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UC68709  Mimulus bigelovii var. bigelovii H. M. Hall Apr. 1905 5862 Riverside Canyon Springs Colorado Desert Comment
  UC454132  Mimulus brevipes I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. 914 Comment
  UCR35247  Mimulus brevipes L. B. Ziegler 1967-8-1 197 Riverside Peninsular Range; San Jacinto Mtns., Upper Herkey Creek area 1524 Comment
  UCR30843  Mimulus breweri A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3871 Riverside San Jacinto Mtns, Black Mountain: Forest Road 4S01, 3.9 mi above Hwy 243 2012 Comment
  RSA38704  Mimulus clevelandii Percy C. Everett 1945-6-7 11505 Riverside Indian Canyon along Indian Canyon Truck Trail 960 Comment
  UC1979601  Mimulus clevelandii D. L Banks, Steve Boyd 1995-5-17 0460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  CAS-BOT-BC9453  Mimulus diffusus Alfred James McClatchie 1892-4-25 s.n. Riverside near Elsinore Comment
  CAS-BOT-BC9465  Mimulus diffusus Barbara Ertter; Jeffrey L. Strachan 1980-5-21 3483 Riverside Santa Rosa Mountain road (Forest Road 7S02) ca. 2 miles south of Highway 74 (Pines to Palms Highway) 1584 Comment
  UCR37638  Mimulus floribundus George K. Helmkamp 1984-5-5 E 10 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  HSC86856  Mimulus fremontii L. F. LaPre 1988-6-3 Riverside Indian Truck trail, sandy bench S of wash which crosses under de Palm Road (= frontage road to Hwy I-150, near Glen Eden Resort 366 Comment
  RSA586335  Mimulus palmeri D. L. Banks, S. D. Boyd 1995-5-3 200 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
  JOTR16849  Mimulus pilosus Moore, Sue 1968-6-19 s.n. Riverside Joshua Tree National Park. BARKER DAM 1280 Comment
  RSA612170  Mimulus pilosus Louis C. Wheeler 1932-7-9 931 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR183014  Mimulus pilosus Mitch Provance 2003-5-5 4423 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR202244  Mimulus pilosus Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR231771  Mimulus pilosus John F. Green 2008-4-23 08- 20 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  CLARK-A1528-4270  Mimulus puniceus John C. Roos 1941-5-17 123 Riverside March Field Comment
  POM12052  Mimulus suksdorfii P. A. Munz 1922-7-6 5995 Riverside Tahquitz Valley 2317 Comment
  HSC85301  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  UCR114843  Mirabilis californica Mitch Provance 1998-2-17 70 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA69464  Mirabilis laevis var. crassifolia F. W. Peirson 1921-3-19 69464 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  SDSU8454  Mirabilis laevis var. crassifolia S. J. Barnheart 1966-4-17 660417 -7 Riverside South-West facing slope of small hill 0.1 mi. east of McAllister St. Along the Metropolitan water Co. Utility road (dirt), which is 1.5 mi. South-East of the Intersection of McAllister St. and Victoria Ave. 457 Comment
  CAS-BOT-BC434818  Mirabilis laevis var. retrorsa S. B. Parish 1916-5-13 10847 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  RSA450140  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  JOTR34038  Mohavea confertiflora La Doux, Tasha, M. Harding 2010-4-7 2921 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UC126865  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside near Indio Mountain (in the Colorado Desert); Colorado Desert 150 Comment
  UC26850  Mohavea confertiflora W. G. Wright Riverside Colorado Desert Comment
  UCR166857  Mohavea confertiflora 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
  UC729900  Monardella australis subsp. australis Carl B. Wolf 1932-8-5 3964 Riverside on trail from Tahquitz Valley to San Jacinto Peak (100 yds. beyond first real wet meadow on trail, head of fork of creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  SEINET3996289 Image available Monardella breweri subsp. lanceolata I. W. Clokey, E. G. Anderson 1935-8-21 6870 Riverside North Fork San Jacinto River 1500 Comment
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  RSA6029  Monardella lanceolata var. lanceolata Carl B. Wolf 1932-8-4 3914 Riverside Point View near Idyllwild. 1646 Comment
  LA62725  Monardella linoides subsp. linoides Carl Epling; William Robison 1934-7-27 sn Riverside Palms to Pines Highway- along road Comment
  RSA774118  Monardella linoides subsp. linoides Duncan S. Bell, Colleen Wheeler 2010-7-19 1629 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UC1995336  Monardella linoides subsp. linoides C. Epling 1937-6-10 Riverside 1 mi below Nightingale (Pines-to-Palms Highway) Comment
  UCR23574  Monardella macrantha subsp. hallii John C. Roos 1962-6-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., Sugarloaf [=Pleasants Peak, possibly Orange Co., near line] 1220 Comment
  CLARK-A1528-3149  Monardella nana John C. Roos 1946-8-27 2916 Riverside Santa Rosa Mountains 2438 Comment
  LA57196  Monardella nana Philip A. Munz; 1937-5-31 15114 Riverside at Anza tablet, head of Coyote Canyon, S.W. of Riverside county Comment
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Mar 11 2014
  UC1499862  Monardella nana Elizabeth McClintock 1940-5-19 10 Riverside 2 miles off Pines to Palms Highway on road to Santa Rosa Mt. Comment
  POM159820  Monoptilon bellioides E. C. Jaeger 1926-3-24 s.n. Riverside Pinto Mts, Colorado Desert. Comment
  RSA784777  Monoptilon bellioides Duncan S. Bell 2012-3-18 3181 Riverside The Mecca Hills; southeastern section of hills; in labyrinthian slot canyons to the east of Hidden Canyon, approximately 2.2 air miles southwest of Hidden Spring. 74 Comment
  SFV5019  Monoptilon bellioides F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Old excavated bench, Seven Level Hill about 11 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  POM13812  Montia fontana P. A. Munz 1922-5-21 5521 Riverside Hemet Valley, San Jacinto Mts 1387 Comment
  SEINET3271558 Image available Muhlenbergia dumosa O. F. Clarke 2005-2-5 Riverside Peninsular Range; Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA0123752  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-10 8871 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
  SEINET244828 Image available Muhlenbergia microsperma Scott D. White 1999-5-19 7368 Riverside Lake Skinner Area 549 Comment
  CAS-BOT-BC275041  Muhlenbergia richardsonis H. M. Hall 1901-7-1 2477 Riverside San Jacinto Mountains. Tamarack Valley 2804 Comment
  RSA129668  Muhlenbergia rigens H. S. Yates 1936-8-29 6381 Riverside Near Pine Flats 1829 Comment
  UCR216948  Myosurus minimus Kim Sparks, Ana Hernandez 2010-3-17 05 Riverside Perris-Aguanga Basin, San Jacinto Valley, Salt Creek, ~155m east of Warren Rd 458 Comment
  UCR269904  Myosurus minimus var. apus D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3663 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  SD80142  Myriopteris covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 363 Riverside Deep Canyon south of Highway 74, ca 2 miles up water service road, below crossing; north slope Santa Rosa Mountains 1310 Comment
  UC724319  Nama Aven and Ruth Nelson 1939-3-30 3348 Riverside Sandy desert hiway 60 from Mecca to Blythe; from Mecca to Blythe Comment
  RSA421105  Nama demissa N. C. Cooper 1949-4-8 3277 Riverside Shaver s Summit east of Indio. 610 Comment
  CSUSB114  Nama demissum var. demissum Kirby W. Brown 1966-3-10 Riverside 3.7 miles east of 1000 Palms. 60 Comment
  RSA779931  Nassella cernua Marc Baker, Michelle Cloud-Hughes 2011-6-10 17360 Riverside Along Morris Ranch Road, 400 m north of Kenworthy Station, 4 km west of Butterfly Peak, west base of San Jacinto Mountains, Garner VAlley, just east of Thomas Mountain 1418 Comment
  RSA263733  Nassella lepida E. W. Lathrop 6887 Riverside 4 miles W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 1067 Comment
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Mar 3 2013
  RSA487431  Nassella lepida Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA501006  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3124 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
  SEINET7072823  Nassella pulchra A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 6" North Latitude, -116? deg. 49' 57" West Longitude, Coordinate datum: NAD27.). Comment
  UCR57139  Navarretia atractyloides Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  CAS-BOT-BC109111  Nemacaulis denudata var. gracilis Geo. B. Grant 1906-4-20 6718 Riverside Palm Springs Comment
  RSA800111  Nemacaulis denudata var. gracilis Duncan S. Bell 2013-4-7 4763 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4.1 air miles south of the ghost town of Rice or approximately 3.3 air miles east northeast of Priests Well. 207 Comment
  SEINET10464925  Nemacladus Wagnon 1944-3-26 WAGNON 362 Riverside Among stones, in sand, open sun all day. Cathedral Canyon, Cathedral City Comment
  CLARK-A1045-219  Nemacladus glanduliferus George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  LA204524  Nemacladus gracilis Carl Epling; Harlan Lewis 1941-5-7 Riverside 1 mile W of Cottonwood Springs Comment
  SEINET10840560  Nemacladus longiflorus Samuel B. Parish Parish 1628 Riverside San Jaciento Mountains Comment
  RSA585790  Nemacladus pinnatifidus D. L. Banks, S. D. Boyd 1995-5-9 0417 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  UCR18415  Nemacladus sigmoideus A. C. Sanders 1978-4-30 00254 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  SEINET7073396  Nemophila menziesii A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR214009  Nemophila menziesii Scott D. White, Angelia Carey 2004-4-5 9987 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCSB12634  Nemophila menziesii Whittington, M. 1962-3-17 Riverside Southwest of U.S. Highway 71; about 300 feet; by the Alberhill brickyard in Alberhill Comment
  RSA776228  Nemophila menziesii var. menziesii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 876 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UCR106420  Nemophila menziesii var. menziesii George K. Helmkamp, A. C. Sanders 1997-3-15 1489 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  RSA784968  Nicotiana Duncan S. Bell 2012-3-18 3231 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UCR20695  Nicotiana clevelandii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1320 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
  SDSU13689  Nicotiana glauca James C. Dice with J. Dewald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 247 Comment
  UC570699  Nicotiana obtusifolia Curtis Ferris 1932-3-20 67 Riverside Oasis; Painted Canyon Comment
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Jun 24 2008
  RSA0018760  Nicotiana obtusifolia Philip A. Munz, L. T. Street, G. Williams 1919-3-25 2331 Riverside Palm Canyon. 244 Comment
  UCR109558  Nicotiana quadrivalvis R. D. Goeden, Don W. Ricker 1978-10-25 s.n. Riverside Temecula Valley, Temecula, Murrieta Creek at Rancho California Road 305 Comment
  RSA753479  Nolina parryi Scott D. White, Justin M. Wood 2009-5-21 12868 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  CAS-BOT-BC71162  Notholaena californica Louis C. Wheeler 1933-12-2 2306 Riverside Mouth Tah 304 Comment
  CAS-BOT-BC171494  Oenothera californica Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA596774  Oenothera californica subsp. californica D. L. Banks, K. D. Hedge 1996-5-16 1042 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  NY43245  Oenothera deltoides C. R. Annable 1995-3-16 2295 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  SEINET12193405  Oenothera deltoides W. L. Wagner, Mill, S. W. 1982-1 4558 Riverside 8.2 mi NW of I-10 at Desert Center along Hwy 177 Comment
  POM355581  Oenothera deltoides subsp. deltoides Francis Fultz s.n. Riverside Colorado Desert. Comment
  POM355587  Oenothera deltoides subsp. deltoides Malcolm M. Rice 1922-5-5 s.n. Riverside Colorado Desert; White Water. Comment
  RSA144927  Oenothera deltoides subsp. deltoides J. W. MacSwain, R. W. Thorp 1959-3-7 59 -47 Riverside 2 miles west of Hopkins Well. 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
  CLARK-A1528-786  Oligomeris linifolia Charlotte Stocks 1966-4-1 Riverside La Quinta Comment
  RSA719039  Oligomeris linifolia Michael Honer 2005-3-11 2061 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UC602574  Olneya tesota Annetta Carter 1938-7-16 1431 Riverside 45 mi w Blythe; Chuckwalla Desert Comment
  SEINET5497541 Image available Oncosiphon piluliferum Andrew C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. south of Van Buren Blvd. 465 Comment
  UCR232066  Oncosiphon piluliferum John F. Green 2008-4-24 13- 06 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  POM294970  Opuntia echinocarpa David Griffiths 1908-08 s.n. Riverside Banning. Comment
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Mar 21 2011
  RSA709109  Opuntia parryi Michael Wall 2005-8-21 403 Riverside San Jacinto River, Valle Vista east of Hemet on alluvial benches north of Highway 74 at Schultz Avenue. 549 Comment
  RSA6210  Opuntia polyacantha var. erinacea B. D. Stark 1932-09 4374 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
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Dec 11 2011
  POM288951  Opuntia vaseyi Lyman Benson, Robert Benson 1955-12-6 15623 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA356646  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 79300 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  SEINET4080625  Orcuttia californica L. M. Boykin, P. M. Hall 2003-1 Riverside Comment
  SD28121  Oreostemma alpigenum var. andersonii Carl B. Wolf 1932-8-5 3953 Riverside San Jacinto Mountains, On trail from Tahquitz Valley to San Jacinto Peak. 2745 Comment
  UCR137363  Orobanche bulbosa John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  JEPS85938  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4523 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  RSA788726  Orobanche cooperi Duncan S. Bell 2012-3-8 3153 Riverside Southern section of the Mecca Hills, approximately 2 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 68 Comment
  UC1539723  Orobanche cooperi Chas. B. Fiker 1946-4-17 Riverside w side of Colorado Desert Colorado Desert; w side of Colorado Desert Comment
  UCR121232  Orobanche fasciculata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2286 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  POM256964  Orthocarpus purpurascens var. pallidus W. Pequegnat 1940-4-28 s.n. Riverside Bedford Truck Trail. 366 Comment
  UCR50584  Oxalis californica B. G. Pitzer, E. Misquez 1988-2-28 0635 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  SD22443  Oxytheca caryophylloides Susan G. Stokes Riverside San Jacinto Mt. Comment
  POM13102  Oxytheca emarginata P. A. Munz, Johnston 1922-5-20 5495 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  CHSC35506  Paeonia californica Donna Panico 1972-4-30 33 Riverside 3 mi. SW of Washington Rd. on Tenaja Rd. in Cleveland Nat'l Forest. 548 Comment
  UCR116817  Palafoxia arida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23948 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA780228  Palafoxia arida var. arida Stephanie Rockwood, Christi Gabriel 2011-10-12 105 Riverside East side of the West Riverside Mountains. Highway 62 to NS857 (Radio Tower Road) to NS 853 to 7 Wash Road. Vidal Valley. 348 Comment
  UCR269843  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2016-3-18 42382 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCSB9918  Palafoxia arida var. arida Wilson, Richard 1958-3-22 Riverside 7 miles E. of Desert Center on U.S. Highway 60-70, in a Colorado Desert dry wash Comment
  SEINET11810387  Palafoxia linearis J. F. Bright, Wyman, C. 1933-1 8068 Riverside near Palm Springs Comment
  SEINET10475248  Palafoxia linearis var. linearis Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4923 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  UCR188996  Panicum dichotomiflorum subsp. dichotomiflorum Fred M. Roberts, S. Leatherman 2007-9-19 6590 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  POM116050  Panicum urvilleanum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR37456  Papaver californicum 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
  UCR19219  Parietaria hespera var. hespera John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  CSUSB1107  Parkinsonia aculeata R. Van Curen 1970-5-20 28 Riverside Base of Mount Rubidoux at Exit. Roadside. 259 Comment
  SEINET3107451  Parkinsonia aculeata Faulkner 1978-4-27 478 Riverside 3 miles east of Blythe. 137 Comment
  SFV21858  Parkinsonia aculeata J. R. Pucci 2001-5-6 24 Riverside San Jacinto Mountains Chino Canyon. Along south side of Tramway Road, about 1.5 miles west of Highway 111. 365 Comment
  UCR235049  Parkinsonia aculeata A. C. Sanders, John F. Green 2012-5-27 40212 Riverside Peninsular Range; Perris-Aguanga Basin Region, eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  RSA0027382  Parkinsonia florida Kristin Forgrave, Sarah J. De Groot 2013-6-4 14 Riverside On Graham Pass Rd 10 mi from Chuckwalla Valley Rd 362 Comment
  UCR251898  Parkinsonia florida Jim Andre 2013-3-27 24821 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  RSA0104080  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-28 7664 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA356887  Pectis papposa R. F. Thorne 1966-10-15 41795 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SBBG46835  Pectis papposa K. K. Muller 1971-11-7 2981 Riverside just S of US Hwy 60, opposite S entrance to Joshua Tree Nat Monument Comment
  UCR97470  Pectocarya anisocarpa A. C. Sanders 1997-3-1 19754 Riverside Box Springs Mountains, E side of Pigeon Pass Valley c. 1/2 mile NW of Lawless Ranch, east of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  POM368837  Pectocarya heterocarpa Bruce M. Crawford 1932-2-22 s.n. Riverside Near Santa Ana River Comment
  RSA660562  Pectocarya linearis Starr Streight 1982-4-17 76 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR114826  Pectocarya linearis Mitch Provance, Seychelle Provance 1998-2-17 86 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  RSA586093  Pectocarya linearis subsp. ferocula D. L. Banks, S. D. Boyd 1995-4-5 134 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  UCR237687  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4475 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  POM6648  Pectocarya penicillata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2387 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  UCR216202B  Pectocarya peninsularis Jim Andre, T. La Doux 2009-2-25 10834 B Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA680566  Pectocarya platycarpa Scott D. White, Michael Honer 2003-4-30 9141 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UC1922397  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1429 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR267887  Pectocarya platycarpa Jim Andre 2013-3-4 23867 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA524459  Pectocarya recurvata Steve Boyd 1990-4-3 4062 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR233173A  Pectocarya recurvata Jim Andre, Glenn L. Clifton 2011-2-22 17436 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR67351  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4062 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  POM6881  Pedicularis densiflora Philip A. Munz, L. T. Street, G. Williams 1919-3-25 2327 Riverside Beaumont. 610 Comment
  RSA523484  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3944 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake. Saddle between summits, N slope along rd heading N to Black Hills. 793 Comment
  UCR118636  Pelargonium grossularioides O. F. Clarke 2001-4-30 s.n. Riverside Riverside, yard of Arlee Montalvo, Picacho Dr. east of UCR campus off Watkins Dr. 366 Comment
  SD138001  Pellaea andromedifolia var. andromedifolia Darin L. Banks, Steve Boyd 1995-3-30 116 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., west of Dripping Springs Alcove, east of Woodchuck Trail Comment
  SD153021  Pellaea andromedifolia var. andromedifolia Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7312 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 365 Comment
  JOTR35136  Pellaea mucronata var. mucronata Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  RSA12931  Pellaea mucronata var. mucronata E. R. Johnson 1935-4-7 6321 Riverside N side of Cajalco Valley, Gavilan region 457 Comment
  CLARK-A1656-740  Pennisetum setaceum 1981-3-14 Riverside Coachella Valley Comment
  SD227704  Pennisetum setaceum A. C. Sanders 1994-5-15 14485 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River 399 Comment
  RSA300468  Penstemon californicus Walter Wisura 1982-6-5 3831 Riverside Near SE base of Pyramid Peak along Pacific Crest Trail 2073 Comment
  JEPS11253  Penstemon centranthifolius C. V. Meyer June 1927 272 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow Comment
  JEPS13627  Penstemon centranthifolius Peter Kamb 1946-4-27 336 Riverside Banning-Idyllwild Road near Barton lookout (San Jacinto Mts.); San Jacinto Quadrangle, near Barton lookout 1371 Comment
  RSA507962  Penstemon centranthifolius Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2280 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA650289  Penstemon centranthifolius G. Foster 1961-5-12 121 Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  RSA662561  Penstemon centranthifolius Tamara Joy Hanna 1991-5-4 6 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east of Coyote Canyon Road (dirt) approx. 2 miles. 1220 Comment
  UCR120823  Penstemon centranthifolius Ian G. Gillespie, Summer Karsh 2000-5-13 42 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  UCR155044  Penstemon centranthifolius Jason L. Hlebakos 2005-5-30 819 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR50419  Penstemon centranthifolius L. F. LaPre 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  LA209524  Penstemon clevelandii Carl Epling; William Stewart 1936-5-9 sn Riverside Santa Rosa Mountains, near Ribbonwood Comment
  UCSB26814  Penstemon labrosus Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns 2377 Comment
  UCR15977  Penstemon spectabilis Dorothy Detrich 1966-5-4 14 Riverside San Jacinto Mtns, Old Banning to Idyllwild Rd 854 Comment
  NY661159  Penstemon spectabilis var. spectabilis P. A. Munz 1923-6-14 7063 Riverside Santa Ana Mountains. Trail, Glen Ivy to Santiago Peak 1219.2 Comment
  RSA753482  Pentachaeta aurea Scott D. White, Justin M. Wood 2009-5-21 12861 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UC88035  Pentachaeta aurea A. W. Anthony 1895-7-15 Riverside San Jacinto Mts. 1828 Comment
  RSA0070828  Pentagramma triangularis P. A. Munz, I. M. Johnston 1922-5-20 5464 Riverside San Jacinto Mountains: Pipe Creek, Hemet Valley. 1402 Comment
  RSA772010  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4961 Riverside 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
  RSA0034536  Peritoma arborea D. Dunlop 1977-3-21 204 Riverside Desert Hot Springs. Comment
  CAS-BOT-BC77476  Peritoma arborea var. angustata David Dreyer 1968-4-9 s.n. Riverside 3 miles north of Desert Hot Springs 365 Comment
  CAS-BOT-BC77479  Peritoma arborea var. angustata G. D. Hanna; M. M. Hanna 1958-2-19 s.n. Riverside Orocopia Mts. Comment
  JOTR16650  Peritoma arborea var. arborea Baker, James K. & Baker, Ilisa T. 1966-6-22 s.n. Riverside Joshua Tree National Park. SQUAW TANK VICINITY 1097 Comment
  JOTR34375  Peritoma arborea var. arborea Andre, Jim 2012-4-16 20895 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  JOTR35343  Perityle emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 110 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA554426  Perityle emoryi Theo Glenn 1991-5-24 91 -133 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  RSA781607  Perityle emoryi Duncan S. Bell 2011-12-30 3041 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
  SBBG25004  Perityle emoryi D. Myrick 1966-4-5 1383 Riverside near S entrance of Joshua Tree Nat Monument Comment
  SEINET5763216 Image available Perityle emoryi M. B. Dunkle 1933-3-4 3056 Riverside Painted Canyon, Colorado Desert Comment
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May 6 2015
  UC170161  Perityle emoryi E. E. Schellenger 1894-12-5 85 Riverside Chuckwalla Bench Colorado Desert, Chuckwalla Bench Comment
  UCR72177  Perityle emoryi Theo Glenn 1991-5-15 91- 41 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  LA212315  Perityle emoryi A. L. H.; 1973-3-25 s.n. Riverside OROCOPIA MOUNTAINS, 472 Comment
  JOTR29383  Petalonyx linearis La Doux, Tasha, Mike Bell 2006-5-10 1460 Riverside Joshua Tree National Park. East Deception Canyon Comment
  CAS-BOT-BC167758  Petalonyx thurberi Nancy Ryan Zabriskie; Walter Zabriskie 1971-10-23 452 Riverside Near Andreas Canyon Club gate, South Palm Canyon Drive, Palm Canyon drainage, east slope San Jacinto Mountains 167 Comment
  CLARK-A1528-611  Petalonyx thurberi Steven J. Southwell 1971-5-1 Riverside Thousand Palms Oasis 152-304 Comment
  RSA653436  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Porposed aggregate mine expansion. 150 Comment
  SEINET218494  Petalonyx thurberi A. J. Breitung 1953-6-12 15525 Riverside Palm Springs. Comment
  UCD117313  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta. 15 Comment
  UCR119812  Petunia parviflora A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23062 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  CDA8467  Peucephyllum schottii T. C. Fuller 1963-4-23 10290 Riverside San Jacinto Mountains; Carrizo Canyon, Highway 74 to Pinyon Flat, south of Palm Desert. 0 Comment
  CLARK-A1528-2030  Peucephyllum schottii John C. Roos 1947-2-15 3247 Riverside Eagle Mountains Comment
  HSC101084  Peucephyllum schottii Jim Andre 2012-3-19 21392 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  RSA471973  Peucephyllum schottii Christopher Davidson, Robert Gustafson 1977-4-7 5567 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
  UCR218316  Peucephyllum schottii Jim Andre, T. La Doux 2009-3-10 11248 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR41808  Peucephyllum schottii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6062 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA94107  Peucephyllum schottii F. W. Peirson 1924-12-30 5423 Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  CAS-BOT-BC6766  Phaca arenicola Samuel Bonsal Parish 1913-2-28 8467 Riverside Mecca. Salton Basin -60 Comment
  UC667339  Phacelia affinis Annie M. Alexander and Louise Kellogg 1941-5-5 2123 Riverside Lost Horse Valley Joshua Tree National Monument 1280 Comment
  RSA124330  Phacelia ambigua Percy C. Everett, E. K. Balls 1958-4-29 23011 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  RSA769029  Phacelia brachyloba E. W. Lathrop 1968-5-30 6939 Riverside Main divide truck trail between El Carriso and Santiago Peak; Cleveland National Forest 1220 Comment
  UC187882  Phacelia campanularia subsp. campanularia S. B. and W. F. Parish April 1882 216 Riverside Whitewater borders of the Colorado Desert Comment
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Feb 9 2008
  UCR113167  Phacelia cicutaria var. hispida A. C. Sanders 1998-3-11 21672 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR41275  Phacelia crenulata B. G. Pitzer 1986-2-9 0004 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  JOTR31856  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2113 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  JOTR35326  Phacelia crenulata var. ambigua Harding, Mitzi, Mark Wheeler 2012-2-28 93 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA0043232  Phacelia crenulata var. ambigua Duncan S. Bell 2009-4-20 302 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  RSA777727  Phacelia crenulata var. ambigua Jim Andre, G. L. Clifton 2011-2-22 17434 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  RSA709923  Phacelia crenulata var. minutiflora Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4583 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA0120238  Phacelia curvipes Duncan S. Bell 2016-4-14 9279 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  RSA171355  Phacelia distans J. D. Olmsted 1962-5-3 s.n. Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  SDSU18721  Phacelia distans C. Matt Guilliams, Jeannine Ross 2008-3-12 524 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. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UC520296  Phacelia distans Joseph Andorfer Ewan and Carl Epling 1933-5-12 7616 Riverside 4 mi nw Glen Ivy Hot Springs; Temescal Canyon Comment
  UCD120417  Phacelia distans Geoffrey Levin 1974-3-30 5 Riverside Chino Canyon below the tramway. San Jacinto Mts. Mt. Range. 426 Comment
  RSA428084  Phacelia minor E. Crow 1929-4-21 332 Riverside North of Alberhill Comment
  SEINET3119619 Image available Phacelia minor Philip A. Munz 1940-3-22 15655 Riverside Whitewater Canyon, 2 miles north of Banning-Indio boulevard Comment
  UCD120568  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Plateau, Gavilan Hills: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR224447  Phacelia minor Steve Boyd, Susan Jett 2008-3-20 11826 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
  SBBG64962  Phacelia mutabilis R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2438 Comment
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Sep 2 2009
  UCR214299  Phacelia neglecta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37466 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
  UCR279396  Phacelia neglecta A. C. Sanders, Jim Malusa 2017-3-25 43011 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR41464  Phacelia neglecta A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6138 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  HSC82952  Phacelia ramosissima N. M. Fellows, A. C. Sanders 1985-5-7 179 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village 488 Comment
  SD140218  Phalaris lemmonii A. C. Sanders 1993-5-12 14001 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the new San Diego Aqueduct and Warren, vernally wet depressions 456 Comment
  RSA554297  Phalaris minor Scott D. White 1992-2-25 92 -15 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  POM14012  Phlox austromontana E. C. Jaeger 1921-7-1 s.n. Riverside Palms to Pines trail. 1738 Comment
  RSA550020  Pholistoma membranaceum Walter Wisura, A. King, L. Newcomb 1992-4-10 4677 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  CAS-BOT-BC135108  Phoradendron californicum W. R. Dudley 1903-12-31 s.n. Riverside Indio Comment
  JEPS42602  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Colorado Desert, Indian Wells Comment
  UC306123  Phoradendron californicum I. Johnston Apr 4 1917-Apr 6 1917 Riverside Colorado Desert, Palm Canyon 457 Comment
  UCR272295  Phoradendron californicum Duncan S. Bell, Sarah J. De Groot, Cheryl Sevilla 2015-2-10 7749 Riverside Santa Rosa Mountains, a narrow unnamed canyon c. 2 air miles south of La Quinta, and c. 5.0 air miles northeast of the summit of Martinez Mountain 266 Comment
  UCR99806  Phoradendron californicum B. G. Pitzer 1996-11-11 2932 Riverside Sonoran (Colorado) Desert, Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. south of Bob's Cabin 274 Comment
  RSA132739  Phoradendron densum Del Wiens 1954-10-19 962 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. Comment
  RSA97448  Phoradendron pauciflorum F. W. Peirson 1924-7-27 4992 Riverside on Abies concolor; Dark Canyon. 2515 Comment
  SEINET4567399  Phoradendron villosum R. L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1219 Comment
  CDA41154  Physalis crassifolia T. C. Fuller 1964-4-14 11832 Riverside Bench above wash of Whitewater Canyon, 3.4 miles north of Whitewater. 0 Comment
  CLARK-A1528-888  Physalis crassifolia Charlotte Stocks 1963-5-26 Riverside La Quinta Comment
  RSA763993  Physalis crassifolia Justin M. Wood, D. M. Ray 2010-10-21 2998 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  RSA782197  Physalis crassifolia Duncan S. Bell 2011-10-22 2984 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA278977  Physalis crassifolia var. crassifolia Barry A. Prigge, L. Martinez 1978-3-23 2429 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR282157  Physalis philadelphica R. E. Riefner Jr. 2017-5-18 17- 260 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  RSA0094753  Physaria tenella Jim M. Andre 2012-4-11 20800 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  RSA719527  Pinus contorta var. murrayana Naomi Fraga 2006-7-11 1712 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  HSC86142  Pinus coulteri B. Freeman 1969-3-24 690324 Riverside James Reserve, ca. 20 m W of Indian Creek. 1646 Comment
  NY1104466  Pinus flexilis M. Denslow 2003-7-15 1448 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
  RSA762002  Pinus lambertiana Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 654 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD229028  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 805 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  CLARK-A1528-3628  Pinus monophylla John C. Roos 1947-12-14 3764 Riverside Lost Palms Canyon Comment
  UC667392  Pinus monophylla Annie M. Alexander and Louise Kellogg 1941-5-21 2216 Riverside n slope Eagle Mountains; Colorado Desert, Eagle Mountains 1219 Comment
  JEPS46873  Pinus ponderosa W. L. Jepson and Hall 1901-1 Riverside Santa Rosa Indian Reservation Comment
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Apr 2 2014
  RSA762011  Pinus ponderosa Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 663 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC72841  Pinus quadrifolia Ellsworth Bethel 1918-5-11 s.n. Riverside 35 mi. E of San Jacinto, Nigger Jim Hill Comment
  UCR96810  Pityrogramma triangularis var. triangularis A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19764 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  UCR169784  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 B Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA715329  Plagiobothrys canescens John Green 2006-4-18 s.n. Riverside NE of Murrieta, just S of Los Alamos Rd. (Clinton Keith Rd.), on E and W sides of Liberty Rd. border between City of Murietta and unincorporated French Valley. 415 Comment
  UCR113733  Plagiobothrys canescens Mitch Provance 2000-5-5 2016 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  SEINET244317  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2001-3-30 23863 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 366 Comment
  UCR172204  Plagiobothrys collinus 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
  POM368913  Plagiobothrys collinus var. californicus Albert J. Perkins 1895-04 s.n. Riverside Near Riverside, Calif. Comment
  SD143990  Plagiobothrys collinus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UC64418  Plagiobothrys collinus var. californicus H. M. Hall 1897-3-30 412 Riverside Winchester Comment
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Mar 20 2011
  UCR20732  Plagiobothrys collinus var. californicus A. C. Sanders, Steve Boyd 1980-5-2 1406 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SD244104  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-3 40765 Riverside Peninsular Range: Temescal Canyon just SE of intersection of Horsethief Canyon Road and I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 380 Comment
  UCR137697  Plagiobothrys collinus var. gracilis D. L. Banks, V. W. Steinmann 1997-3-13 1503 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
  HSC78736  Plagiobothrys fulvus A. C. Sanders, T. Glenn 1983-4-17 3736 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  UCR241802  Plagiobothrys jonesii A. C. Sanders, Ann Howald 2013-2-28 40565 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  POM287294  Plagiobothrys nothofulvus Lyman Benson 1932-3-26 3176 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA234037  Plantago bigelovii subsp. californica Robert F. Thorne, E. W. Lathrop 1969-5-19 37962 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 625 Comment
  RSA563900  Plantago erecta A. C. Sanders 1993-4-5 13695 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
  SBBG119432  Plantago erecta S. Boyd 2001-4-12 10413 Riverside SE base of Alberhill Mtn, on flats N of Nichols Rd and W of Pierce St, in the vicinity of the site of Terra Cotta Comment
  UCR172285  Plantago erecta 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
  UCR226077  Plantago erecta A. C. Sanders, T. B. Salvato 2011-4-1 38946 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  RSA775091  Plantago ovata Duncan S. Bell, Amber Swanson 2011-2-18 2039 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA191734  Plantago ovata var. fastigiata Robert F. Thorne 1963-3-29 32381 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  CHSC108903  Plantago patagonica Duncan S. Bell; Joy England 2010-5-17 1008 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  SEINET1909535  Plantago patagonica S. J. Myers 2001-1 Riverside San Jacinto Mtns.: Bautista Canyon (Blackburn Canyon 7.5'). Sandy bank along dirt road across from conservation camp. 853 Comment
  POM12756  Platanthera leucostachys Philip A. Munz 1922-7-6 5990 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  SEINET10763688  Platanus racemosa R. Allen, Fred M. Roberts 2007-6-22 Allen s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. UTM Zone 11S; 3726312mN; 05152050E. 727 Comment
  POM296106  Pleuraphis rigida Lyman Benson 1933-3-31 4159 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto. 305 Comment
  RSA129650  Pleuraphis rigida H. S. Yates 1936-4-7 5431 Riverside 10 miles E of Whitewater; elv. 1000 ft 305 Comment
  RSA414079  Pleuraphis rigida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7821 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  UCR243173  Pleuraphis rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4356 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  JOTR31869  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  POM8370  Pleurocoronis pluriseta Mary F. Spencer 1920-3-13 1446 Riverside Painted Canyon, near Mecca -58 Comment
  RSA472128  Pluchea sericea M. B. Dunkle 1933-5-6 3430 Riverside Canyon N of Catherdral Canyon Comment
  RSA526166  Poa annua Steve Boyd, Timothy S. Ross 1990-5-11 4669 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA575991  Poa annua Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  UCR24951  Poa pratensis A. C. Sanders 1980-8-23 1766 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR162265  Poa secunda S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCD91001  Poa secunda subsp. secunda Frank W. Gould 1943-4-18 2153 Riverside 1 mile W of Banning, San Jacinto Mountains. Comment
  UCR189795  Polygala cornuta var. fishiae Diane Menuz 2007-9-13 369 Riverside Peninsular Range, Coastal Foothills Region, Cleveland National Forest c. 1.75 mi north of San Diego County line. San Mateo Canyon c. 0.6 mi southeast of Fisherman's Camp 375 Comment
  RSA463111  Polygonum lapathifolium Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  CSUSB468  Polypogon monspeliensis Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  CAS-BOT-BC72264  Polystichum imbricans subsp. curtum John Thomas Howell 1927-8-2 2932 Riverside top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  RSA6648  Populus X parryi Carl B. Wolf 1932-5-25 3661 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  CAS-BOT-BC102585  Populus fremontii Ira L. Wiggins 1934-9-4 8039 Riverside along side street, Blythe Comment
  UCR139638  Populus fremontii A. C. Sanders 2004-6-30 28394 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  HSC6072  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside In Mule Mts.; 20 mi. SW of Blythe Comment
  RSA701158  Porophyllum gracile Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11261 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
  SD129617  Porophyllum gracile Steve Myers 1990-3-21 Riverside Santa Rosa Plateau, Along Los Gatos Road, 0.5 miles south of Buena Vista Road (2 miles west of Sandia Canyon & 0.1 miles north of S.D.Co.Line 365 Comment
  CAS-BOT-BC233729  Portulaca halimoides John Roos; Lucille Roos 1952-10-18 5900 Riverside Hidden Valley Campground, Little San Bernardino Mts. 1219 Comment
  UCR156464  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 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
  UCR94922  Portulaca oleracea Scott D. White 1996-9-22 4534 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  UCR119563  Potamogeton pectinatus L. C. Wheeler 1953-3-30 7034 Riverside Sonoran (Colorado) Desert, Alligator Slough on the Colorado River Comment
  RSA0013894  Proboscidea althaeifolia J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center and Blythe. Comment
  RSA719246  Prosopis glandulosa Michael Honer, L. Hulse 2004-4-3 1906 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
  UCR48506  Prosopis glandulosa var. torreyana Steve Boyd 1986-4-10 1646 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  SD230235  Prosopis velutina Louis C. Wheeler 1961-10-8 7933 Riverside Temescal Canyon: at Dawson Canyon Fire Road Comment
  RSA304922  Prunus fasciculata James R. Shevock 1971-3-6 742 Riverside White Tank, Joshua Tree National Monument. 884 Comment
  RSA314043  Prunus fremontii Walter Wisura 1983-7-9 3918 Riverside 11 mi fr. jctn. with Hwy 111. along Hwy 74. Comment
  RSA562488  Prunus ilicifolia Steve D. Boyd, Tim S. Ross 1992-5-5 7248 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  RSA596145  Pseudognaphalium luteoalbum D. L. Banks 1996-11-7 1193 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  UC468790  Pseudognaphalium stramineum E. E. Schellenger 1906-4-3 Riverside Santa Marie Mts. Colorado Desert, Santa Marie Mts. Comment
  JEPS26595  Pseudognaphalium thermale Peter Kamb 1948-10-31 1280 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  LA6328  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, Herky Creek Comment
  RSA220975  Pseudotsuga macrocarpa E. W. Lathrop 1966-3-23 6111 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  UCR155087  Psilocarphus brevissimus A. C. Sanders, Kelly Volansky 2005-3-17 29232 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  PASA2297  Psilocarphus globiferus Frank W. Peirson 1922-4-29 Riverside Lake Elsinore 380 Comment
  RSA561126  Psilocarphus tenellus Steve Boyd 1993-5-12 7309 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  HSC28010  Psilostrophe cooperi Richard Spjut 1973-5-5 3345 Riverside Colorado Desert; rocky and gravelly flats and hills bordering the southern slopes of the Chuckawalla Mts. 610 Comment
  RSA678223  Psorothamnus arborescens var. simplicifolius Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1092 Riverside Mouth of Little Morongo Canyon, , NE of junction of Augusta Avenue and Little Morongo Drive, NW Desert Hot Springs. 412 Comment
  UC667246  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-12 2156 Riverside 5.5 mi NE of Cottonwood Spring; Eagle Mountains, Colorado Desert 868 Comment
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Feb 4 2013
  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
  RSA799244  Psorothamnus emoryi Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 735 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
  UCD108307  Psorothamnus emoryi P. C. Everett; E. K. Balls 1958-4-29 23023 Riverside 5.3 mi. ne. from Desert Center along road to Rice and Vidal Jct. 243 Comment
  CAS-BOT-BC340909  Psorothamnus schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  JOTR33992  Psorothamnus schottii La Doux, Tasha, M. Harding 2010-4-7 2880 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  RSA605768  Psorothamnus schottii A. C. Sanders 1995-5-23 17122 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns, near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  SEINET2063921 Image available Psorothamnus schottii Unknown 1965-3-7 Riverside Directly 3 miles E of Thousand Palms. 91 Comment
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Mar 22 2019
  UC667343  Psorothamnus schottii Annie M. Alexander and Louise Kellogg 1941-5-12 2161 Riverside road to Black Eagle Mine , road to Black Eagle Mine (Eagle Mountains) 777 Comment
  UCR268638  Psorothamnus schottii Jim Andre 2012-4-11 20847 Riverside Mojave Desert, Orocopia Mountains, north end of range, along dirt road 2.8 mi due south of Hwy I-10 at Box Canyon Road/Cottonwood Road exit 624 Comment
  UCR279509  Psorothamnus schottii A. C. Sanders, Jim Malusa 2017-3-27 43116 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR35006  Psorothamnus schottii L. B. Ziegler 1977-4-12 564 Riverside Sonoran (Colorado) Desert, near Desert Hot Springs, on sandy alluvial slopes (bajadas) from Little San Bernardino Mountains. 381 Comment
  CAS-BOT-BC340949  Psorothamnus spinosus E. R. Johnson 1928-6-8 s.n. Riverside Along highway south of Mecca on west side of Salton Sea Comment
  CAS-BOT-BC340963  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon 243 Comment
  UC1280844  Psorothamnus spinosus H. E. McMinn 1935-6-27 4054 Riverside wash at foot Palms to Pines Highway at foot Palms to Pines Highway Comment
  UCR18979  Psorothamnus spinosus John C. Roos 1965-6-23 s.n. Riverside Coachella Valley, N of Indio Comment
  RSA575916  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp. 341 Comment
  CHSC105751  Pterostegia drymarioides Christine C. Johnson; Paul J. Johnson 1985-3-12 956 Riverside Lamb Canyon, 2 miles NW of Gilman Hot Spr. 463 Comment
  RSA784661  Pterostegia drymarioides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 68 Riverside South main divide road splitting Comment
  UCR165393  Pterostegia drymarioides A. C. Sanders 2005-4-21 29570 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR21525  Pterostegia drymarioides Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  UCR225714  Pterostegia drymarioides A. C. Sanders 2011-3-30 38913 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
  UCR243576  Pterostegia drymarioides Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21109 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR97700  Pterostegia drymarioides A. C. Sanders, G. Helmkamp 1997-3-15 19933 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  JOTR31120  Purshia tridentata var. glandulosa La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2503 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  RSA0086467  Quercus Mitch Provance 2012-4-27 412 -18 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-1- and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  SD260961  Quercus Mitch Provance 2012-9-5 912 17 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Spring Rd., about 100 yards south of intersection with Breckenridge Ave. 754 Comment
  UCR270172  Quercus agrifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42389 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCSB1039  Quercus agrifolia var. agrifolia Keator, Glenn 1959-05 Riverside foothills of northern Mt. San Jacinto Comment
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Mar 2 2014
  JEPS37329  Quercus berberidifolia Frank Thornton 1903-1 Riverside Mt. San Jacinto Comment
  UCR250404  Quercus berberidifolia 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
  UCR264620  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 32 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR272999  Quercus berberidifolia Mitch Provance 2012-9-13 912- 03 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  RSA335003  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside De Luz Rd. 7.8 mi west of Rancho California. Comment
  SEINET2066432 Image available Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats area, Santa Rosa Mountians, along Horsethief Creek where the trail from the Dolomite Mine crosses. 1100 Comment
  UCSB1186  Quercus kelloggii Neely, William 1948-10-3 Riverside Fern Valley, Idyllwild, San Jacinto Comment
  SD232697  Quercus wislizeni Scott D White 1996-8-1 4445 Riverside San Jacinto Mts., Idyllwild area: North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. S facing slope. 1584 Comment
  UCR18990  Quercus wislizeni John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Near summit of Palms to Pines Hwy 1524 Comment
  JOTR31984  Rafinesquia californica La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2219 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA519235  Rafinesquia californica Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA613719  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of the Wilderness Area boundry, along a tributary of the north fork of Pechanga Creek. 518 Comment
  JOTR28944  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1180 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR34052  Rafinesquia neomexicana La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2952 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  OBI32516  Ranunculus californicus Kirk Taylor 1976-5-23 20 Riverside Mesa de Colorado. 9 mi W of Murrieta on Tenaja Rd 549 Comment
  UCR202608  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12408 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  SEINET11261098  Raphanus sativus N. Duane Atwood 1993-3-29 17736 Riverside Huntington Beach along Beach Blvd. ca. 1/2 mi. N of beach.; 0 Comment
  UCR102732  Rhamnus crocea B. G. Pitzer 1998-1-25 3422 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  POM243758  Rhamnus ilicifolia Percy C. Everett 1935-6-17 7138 Riverside Coldwater Canyon, trail to Santiago Pk. 1/2 mi. above Glen Ivy Resort. 457 Comment
  RSA243760  Rhamnus ilicifolia Percy C. Everett 1935-6-18 7207 Riverside Coldwater cam. trail, about 1.5 mi. below (N.) Main Divide Motorway. 1280 Comment
  UCR270189  Rhamnus ilicifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42405 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR54446  Rhamnus ilicifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8735 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  UC18582  Rhamnus tomentella subsp. cuspidata H. M. Hall Jul 1897 Riverside San Jacinto Mountains 1828 Comment
  CAS-BOT-BC200029  Rhododendron occidentale var. californicum S. B. Parish; W. F. Parish 1882-6-1 303 Riverside San Jacinto Mt. Comment
  RSA0122718  Rhus aromatica Duncan S. Bell, LeRoy Gross 2016-3-30 9156 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  CAS-BOT-BC167969  Rhus ovata John C. Roos 1950-10-15 5007 Riverside Dry Morongo Canyon about 1 mile S. of Riverside-San Bernardino County line 609 Comment
  RSA386391  Rhus ovata N. C. Cooper 1074 Riverside Andreas Canyon. 305 Comment
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Jun 26 2008
  RSA648294  Rhus ovata Mark Hotchkiss 1977-4-23 s.n. Riverside Approx. 5 mi. S. of Baning on R 1. 914 Comment
  RSA544412  Rhus trilobata var. pilosissima Steve Boyd, Timothy S. Ross 1991-6-14 6380 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
  RSA577523  Ribes amarum D. L. Banks, Steve D. Boyd 1995-2-16 49 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  POM12883  Ribes cereum P. A. Munz 1922-7-6 6002 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CLARK-A1528-6882  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  SD186332  Ribes indecorum A. C. Sanders 2004-4-20 27555 Riverside Santa Ana Mountains: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line (Fallbrook 7.5'Q) 640 Comment
  CAS-BOT-BC168947  Ribes malvaceum A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mountains, rocky N-facing slope, at the head of Two Trees Canyon 685 Comment
  UC11595  Ribes malvaceum var. viridifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA0022089  Ribes montigenum M. B. Dunkle 1933-7-23 3761 Riverside San Jacinto Peak. 3302 Comment
  CAS-BOT-BC186239  Ribes roezlii var. roezlii Carl B. Wolf 1932-8-5 3969 Riverside San Jacinto Mts. On trail from Tahquitz Valley to San Jacinto Peak 2804 Comment
  CLARK-A1528-837  Ribes speciosum Robert A. Clark 1966-3-19 2-31966 Riverside Corona Comment
  RSA680163  Rorippa curvipes var. truncata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8625 -B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  CAS-BOT-BC147542  Rosa californica Jenkins; Street 1917-5-30 1951 Riverside San Jacinto [Canon] Canyon Comment
  UCR201631  Rosa californica Scott D. White, Justin M. Wood 2008-6-16 12121 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR201679  Rumex acetosella Scott D. White, Justin M. Wood 2008-5-15 11989 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  POM13008  Rumex acetosella P. A. Munz, I. M. Johnston 1922-5-19 5423 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  RSA466097  Rumex hymenosepalus N. C. Cooper 1945-3-24 1613 Riverside Cabazon. 457 Comment
  SD239867  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range: foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mile west of Lake St. on north side of I-15, near Temescal Canyon Road undercrossing, at north edge of Concordia Ranch Road (Alberhill 7.5'Q) 370 Comment
  RSA708174  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR151035  Rumex salicifolius Scott D. White 1998-7-31 6930 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  SEINET4178297  Rumex salicifolius var. salicifolius I. W. Clokey 1935-8-21 6601 Riverside Fuller's Creek 1500 Comment
  SEINET5568897  Salicaceae Swingle 1915-1 s.n. Riverside Indio. Comment
  CAS-BOT-BC129745  Salix bonplandiana Lathrop; Thorne 1967-9-26 6668 Riverside Lome Linda, 4 mi. NW of Murrieta Comment
  POM184905  Salix exigua H. P. Bracelin 1932-4-12 605 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  SBBG58870  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SBBG101690  Salix exigua var. hindsiana S. Boyd with T. Ross 1991-6-14 6367 Riverside Warm Springs Crk at NE end of Hogbacks Ridge, 2-3 mi NW of Murrieta Hot Springs Comment
  UC494328  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 606 Riverside 4.8 km. n Arlington (4 mi. w of Riverside, rd. to Pedley, e side of bridge over Santa Ana R., either side of hwy.) 240 Comment
  CLARK-A1528-831  Salix gooddingii Oscar Clarke 1971-3-31 Riverside Riverside Comment
  RSA737440  Salix gooddingii Justin M. Wood 2008-8-31 116 Riverside [Perris Basin:] Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UC482402  Salix gooddingii Ben L. Clary 1932-4-21 810 Riverside Colorado Desert, Coachella Valley -21 Comment
  UC729852  Salix gooddingii Carl B. Wolf 1929-5-31 3739 Riverside 6 mi from on Chino Rd Corona (1 mi n.w. of Santa Ana R.) Comment
  CAS-BOT-BC108214  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  LA208713  Salix jepsonii E. McClintock; 1938-4-10 sn Riverside Humphries Reservoir, Soboba Indian Reservation, San Jacinto Comment
  RSA593974  Salix laevigata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 959 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 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
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC717264  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UC914223  Salix lasiolepis Charles B. Fiker 1946-4-8 3366 Riverside on Hwy. 395 s. of Temecula bridge Comment
  UCR132419  Salix lasiolepis A. C. Sanders 2004-2-6 27381 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR87878  Salix lasiolepis G. F. Pratt 1994-3-13 94- 5 Riverside Mojave Desert, Joshua Tree National Monument, N canyon off of Quail Mountain 1280 Comment
  CAS-BOT-BC128447  Salix lasiolepis var. lasiolepis Geo. B. Grant 1904-7-23 s.n. Riverside Mt. San Gorgonio, High Creek Comment
  RSA125531  Salix scouleriana R. Weatherby 1949-6-6 647 Riverside Dark Canyon. San Jacinto Mtns. 1829 Comment
  CAS-BOT-BC126319  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCR103730  Salsola australis A. C. Sanders 1997-3-19 20035 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  RSA643438  Salsola paulsenii R. D. Goeden, D. W. Ricker 1979-3-29 s.n. Riverside Coachella Valley: Indio, Monroe St., 33 40' 30''N, 116 16'W -6 Comment
  JEPS59863  Salsola tragus Frank W. Peirson 1918-1 7 Riverside e. base Mt. San Jacinto, Andreas Canyon Comment
  SDSU5604  Salsola tragus James C. Dice, J. Dewald 1987-9-28 730 Riverside North side of Temecula Gorge, near entrance to field station site, ca/ 4.5 km ENE of Gavilan Mountain. T8S, R3W, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  SEINET3866182  Salsola tragus D. Taylor 1952-11-11 348 Riverside Sycamore Canyon. Near Riverside.; 0 Comment
  UCR246686  Salsola tragus R. E. Riefner Jr. 2006-11-14 06- 675 Riverside city of Riverside, Main St at Russell St 259 Comment
  JOTR32162  Salvia columbariae La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2314 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  POM14257  Salvia columbariae P. A. Munz, D. Keck 1922-4-9 4915 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA401471  Salvia columbariae N. C. Cooper 1944-3-25 1005 Riverside Morongo Pass. 457 Comment
  SDSU7474  Salvia columbariae J. Godsil 1953-3-20 583 Riverside Hwy to 29 alms; Johua National monument. Comment
  UCR214705  Salvia columbariae A. C. Sanders 2010-3-23 37540 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR245738  Salvia columbariae Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3943 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA651033  Salvia dorrii Edward Kai 1970-5-21 s.n. Riverside Idyllwild; off Hwy 74. 1220 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
  RSA0042827  Salvia greatae Duncan S. Bell, Deidre Conocchioli 2014-3-18 6251 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA434133  Salvia mellifera N. C. Cooper 1944-5-19 1292 Riverside Banning. 701 Comment
  RSA524448  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4084 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR192720  Salvia mellifera A. C. Sanders, Mike Misenhelter 2008-6-10 35453 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  CAS-BOT-BC233339  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  SFV4276B  Salvia vaseyi W. A. Emboden, Jr. May 1963 s. n. Riverside Palms to Pines Highway. Comment
  UC1080395  Salvia vaseyi E. K. Balls and P. C. Everett 1957-8-20 22669 Riverside 6.6 mi sw Palm Village (along State Hwy 74 (jct State Hwy 111)) 502 Comment
  UC73592  Salvia vaseyi H. E. Wilder 1906-1 Riverside e of San Gorgonio (along Mission Creek); Colorado Desert, Mission Creek Comment
  POM12853  Sambucus caerulea P. A. Munz 1922-6-24 5791 Riverside Pipe Creek, Hemet Valley 1402 Comment
  CAS-BOT-BC238857  Sambucus nigra subsp. caerulea B. Pitzer 1997-4-1 3053 Riverside Lakeview Mtns, ca. .75 air mi. SSW of Mt. Rudolph, ca. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CAS-BOT-BC238860  Sambucus nigra subsp. caerulea Carl B. Wolf 1932-8-6 3991 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  UCR171897  Sanicula arguta 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
  RSA585620  Sanicula bipinnatifida D. L. Banks, S. D. Boyd 1995-3-15 55 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Agua Tibia Mtn., Dorland Mtn. area. 744 Comment
  SEINET238555 Image available Sarcodes sanguinea George K. Helmkamp 1998-6-27 4128 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  UC23113  Sarcostemma cynanchoides subsp. hartwegii Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  CLARK-A1045-216  Sarcostemma hirtellum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  CLARK-A1528-1469  Sarcostemma hirtellum John C. Roos 1937-4-18 Riverside Colorado Desert Comment
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Mar 3 2014
  UC416713  Satureja chandleri Robinson and Crocker 1916-3-29 571 Riverside near Murietta; Santa Ana Mts. Comment
  CDA2418  Schismus arabicus G. D. Barbe 1984-2-7 4133 Riverside 2 miles northeast of Desert Center. 0 Comment
  RSA704586  Schismus arabicus LeRoy Gross 2005-3-3 1585 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCR20770  Schismus arabicus A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1291 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR213389  Schismus arabicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37448 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA778624  Schismus barbatus Duncan S. Bell 2009-3-8 65 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  SBBG34679  Schismus barbatus T. L. Secrest 1950-3-12 Riverside near Indio Comment
  RSA585507  Schismus barbatus D. L. Banks, Steve Boyd 1995-5-9 368 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  UCR92307  Schoenoplectus acutus var. occidentalis Scott D. White, S. Ogg 1994-10-17 2470 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  UCR179756  Scirpus americanus R. E. Riefner Jr. 2006-9-19 06- 446 Riverside Temecula Valley, c. 0.1 mi. west of I-15 Freeway at the confluence of Temecula and Murrieta Creeks, head of Santa Margarita River 300 Comment
  UCR161440  Scrophularia californica A. C. Sanders, Mike Misenhelter 2005-9-20 31687 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  RSA544386  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross 1991-6-14 6401 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 Springs. Comment
  UCR116054  Scrophularia californica subsp. floribunda Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 213 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Hathaway Canyon, c. 1.25 miles north of the junction of the lower and upper canyons 945 Comment
  RSA496729  Scrophularia californica subsp. floribunda B. Pitzer 1987-4-21 497 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  UCR202583  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-8 12366 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  OBI71050  Scutellaria mexicana Larry Kelly, David J. Keil 1988-4-16 55 Riverside Ca. 5 mi from hwy 10 on rd through Ocatillo garden, and cholla patch in Joshua Tree natl Monument Comment
  UC2015533  Scutellaria mexicana A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15988 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  POM13626  Scutellaria siphocampyloides E. C. Jaeger 1921-7-1 1048 Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR193269  Scutellaria siphocampyloides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35572 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1585 Comment
  RSA543296  Selaginella bigelovii Steve Boyd 1991-3-17 5515 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA559463  Selaginella bigelovii Steve Boyd, T. S. Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA596107  Selaginella bigelovii Darin L. Banks 1996-11-7 1205 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  POM949  Selaginella bigelovii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305