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

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  UCR20827  Abronia villosa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1332 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
  POM729  Abronia villosa var. aurita I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  UCR266410  Abronia villosa var. aurita D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3878 Riverside San Jacinto Valley, San Jacinto River just west of Bridge St. 438 Comment
  RSA660046  Abronia villosa var. villosa Carol Zuck 1981-2-15 13 Riverside 38-621 Fawn Springs Dr. Palm Desert. Comment
  RSA682171  Abronia villosa var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10468 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
  UC1922399  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  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
  SD129314  Acacia dealbata John Adams 1966-3-12 434 Riverside Hwy 74 above Lake Elsinore, toward Capistrano. 609 Comment
  OBI25755  Acacia greggii David J. Keil 1980-6-20 14063 Riverside Box Cyn rd exit from I-10 Comment
  SEINET10936441  Acacia greggii David B. Dunn, A. Folsom 1948-6-17 Dunn 3814 Riverside Ravine below quad 4. At camp in Pushawalla; canyon under palms. Comment
  UCR41842  Acamptopappus sphaerocephalus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 06044 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  POM13607  Acamptopappus sphaerocephalus var. sphaerocephalus E. C. Jaeger 1921-4-1 1138 Riverside Mission Creek Wash Comment
  RSA416161  Acamptopappus sphaerocephalus var. sphaerocephalus Ora M. Clark 1923-2-23 1546 Riverside south of Cabazon Colorado Desert Comment
Read comments
Mar 13 2011
  RSA394138  Acer macrophyllum Christopher Davidson 1977-5-18 5614 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UC40029  Achnatherum coronatum H. M. Hall June, 1901 2078 Riverside vicinity of Chalk Hill 1463 Comment
  RSA346258  Achnatherum hymenoides R. F. Thorne, WA Tilforth, L. Schultz, R. K. Benjamin, J. Hogge 1980-4-16 54056 Riverside Along Whitewater River, E of bridge and levee Comment
  JOTR00963  Achnatherum hymenoides Cole, James E. 1941-1 982 Riverside Joshua Tree National Park. PINE CITY ROAD Comment
  CAS-BOT-BC384720  Achyronychia cooperi John Thomas Howell 1928-1-28 3279 Riverside Thousand Palms, Colorado Desert Comment
  SEINET7048023  Achyronychia cooperi Steven R. Hill, Kate Kramer 2001-4-27 33492 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  UCR141141  Achyronychia cooperi June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  UCR245245  Achyronychia cooperi Jim Andre 2012-3-19 21338 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  SEINET12558045 Image available Achyronychia cooperi Mary F. Spencer 1920-1 1436 Riverside Palm Springs, Colorado Desert 122 Comment
  OBI52767  Acmispon argophyllus var. argophyllus B. Pitzer & A. C. Sanders, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts, near Southernmost radiotowers (Riverside E 7.5' quad: T2S, R4W, SE 1/4 sec 27 792 Comment
  JOTR34097  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  UCR274185  Acmispon glaber var. brevialatus Dick Newell, Judy Booth 2015-10-25 412 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Road, 2.3 miles NW of Elsinore Peak 890 Comment
  SBBG45496  Acmispon strigosus Leota Davidson 1966-4-6 474 A Riverside Wiley Well Rd S of second intersection, Chuckawalla Mtns, 18 mi W of Blythe 213 Comment
  UCD104473  Acmispon strigosus H. S. Yates 1937-3-23 6404 Riverside 2 miles north of Palm Springs. 213 Comment
  UCR260555  Acourtia microcephala T. B. Salvato, Matt Malle 2014-5-29 8015 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA0117833  Adenostoma fasciculatum var. fasciculatum Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7808 Riverside Along the Pacific Crest Trail at top of hill just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 830 Comment
  RSA390498  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1949-6-29 4309 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC139859  Adenostoma sparsifolium Winifern W. Swarth 1914-9-8 s.n. Riverside Trail below Strawberry Valley, San Jacinto Mts. 1524 Comment
  POM13406  Adenostoma sparsifolium E. C. Jaeger 1922-8-20 1005 Riverside North slope of San Jacinto Peak. 1372 Comment
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May 29 2011
  SD229253  Adenostoma sparsifolium Dick Schwenkmeyer 2012-8-6 765 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UCR95944  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  CLARK-A1528-33  Adiantum capillus-veneris E. M. Gifford 1938-1-9 8 Riverside Corona Comment
  RSA0036104  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside Andreas Canyon. 457 Comment
  UCR58336  Aegilops tauschii A. C. Sanders 1989-5-22 9491 Riverside Riverside. Dirt field east of Batchellor Hall on the UCR Campus Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
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Mar 25 2011
  POM157937  Agoseris heterophylla var. heterophylla P. A. Munz 1927-5-21 10832 Riverside Coahuila Valley. Comment
  RSA507956  Agoseris retrorsa Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2274 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  POM49466  Agrostis exarata P. A. Munz, I. M. Johnston 1924-7-28 8816 Riverside Pine Flats 1738 Comment
  UC53497  Agrostis exarata H. M. Hall 1897-8-20 854 Riverside Vicinity of Strawberry Valley San Jacinto Mountains 1615 Comment
  RSA550271  Aliciella latifolia W. Wisura, John Dolan, Michael Wall 1992-3-24 4625 Riverside 7.7 mi NE of Mecca on Box Canyon Rd. Comment
  CAS-BOT-BC434485  Allionia incarnata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9579 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA0026136  Allionia incarnata Deidre Conocchioli, Caitlin Elam 2013-10-2 76 Riverside SW of Bristol Mtns Wilderness Area. From Blythe, head northwest on the Mildland-Rice Rd for 9.6 miles. Turn right onto unmarked BLM Rd and follow NE for 1.6 miles to collection site. 307 Comment
  SD120078  Allionia incarnata var. villosa Louis B. Ziegler 1966-9-13 83 Riverside San Jacinto Mountains, Canyon of Carrizo Creek above Highway #74 crossing. 701 Comment
Read comments
Jul 10 2010
  UCSB24716  Allium burlewii Sanders, Paul 1966-5-14 Riverside About 2 miles north of Tahquitz peak, in Mt. Pinos San Jacinto State Park 2438 Comment
  RSA639651  Allium lacunosum var. davisiae Robert F. Thorne 1973-5-23 43857 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  SD148278  Allium marvinii A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mountains, Santa Rosa Plateau, hills west of the head of DeLuz Creek, 0.4 miles south of Tenaja Road, on west side of Calle Roble, near avenida Matorral; Wildomar 7.5' quad. In an open grassy area among oaks. 671 Comment
  CSUSB1030  Allium peninsulare E. W. Lathrop 1971-3-21 7462 Riverside Bedford Truck Trail of the Cleveland National Forest, Trabuco District. 914-1219 Comment
  RSA70238  Allium peninsulare F. W. Peirson 1930-5-10 8773 Riverside St. Johns Grade. south of Hemet 610 Comment
  UCR225217  Allium peninsulare var. peninsulare T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5160 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  UCR113966  Allium praecox Mitch Provance 1999-3-5 1059 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  HSC86857  Allophyllum divaricatum K. Harper 1988-5-14 Riverside San Jacinto Mtns. along Hwy. 243, 1-2 mi. below Mt. Edna turn off Comment
  SD107766  Allophyllum glutinosum C. W. Tilforth, B. Busenberg 1980-6-10 1978 Riverside 0.1 mile in from Highway 74 on north leg ot Thomas Mountain Road, 1.0 mile south of Lake Hemet. 1387 Comment
  SEINET2444582  Allophyllum glutinosum T. B. Salvato, Kent Beaman 2005-5-16 841 Riverside San Jacinto Mtn Foothills. San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74 (Blackburn Canyon 7.5' Q.). 549 Comment
  RSA773667  Allophyllum violaceum Duncan S. Bell, J. D. England 2010-5-20 1030 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  SD80158  Alnus rhombifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-2-13 339 Riverside East slope San Jacinto Mountains, Andreas Canyon, north bank 100 yards upstream from crossing below Clubhouse 305 Comment
  RSA751510  Aloysia wrightii Jim Andre, Tasha La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: along Bell Mtn. Rd., atop Bell Mtn. approx 0.3 mi. N of radio tower. 1359 Comment
  UCR26524  Amaranthus blitoides A. C. Sanders, S. Hagopian 1981-5-20 2156 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  UCR272486  Amaranthus deflexus Mitch Provance 2013-6-16 613- 18 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  JOTR36395  Amaranthus fimbriatus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3347 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  UCR264250  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CDA23780  Ambrosia acanthicarpa Mike Lahti 2008-10-14 PDR# 1509229 Riverside Temecula. 0 Comment
  UCR77760  Ambrosia acanthicarpa Steve Boyd 1991-9-8 6427 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  CAS-BOT-BC22377  Ambrosia dumosa I. Johnston 1917-4-4 1034 Riverside Mouth of Andreas Canyon 243 Comment
  CAS-BOT-BC22608  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -335 Riverside Joshua Tree National Monument: about 7 mi S of Entrance to Cottonwood Springs Campground Comment
  JOTR31877  Ambrosia dumosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2131 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  RSA0093751  Ambrosia dumosa Jim M. Andre 2012-4-11 20709 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  UC406767  Ambrosia dumosa Marcus E. Jones, A. M. 1929-9-16 25074 Riverside e of Desert Center Comment
  UCR41219  Ambrosia dumosa N. M. Fellows 1985-3-3 76 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  UCSB18366  Ambrosia dumosa Kruger, Dave 1964-5-10 Riverside State Highway 74, 7 miles E of Pinyon Flats Campground 914 Comment
  SEINET10725764  Ambrosia dumosa A. K. Evans 1976-4-13 Evans 5206 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  CLARK-A1528-2147  Ambrosia ilicifolia John C. Roos 1949-4-10 4230 Riverside Chuckwalla Mountains Comment
  UCR24358  Ambrosia ilicifolia John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  POM246655  Ambrosia psilostachya E. C. Jaeger 1938-10-30 s.n. Riverside Mecca. -30 Comment
  UCR115929  Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  UCR92772  Ambrosia psilostachya F. M. Reed 1933-10-6 8107 Riverside South Coast; San Bernardino Valley, Riverside, Chicago Ave. 280 Comment
  LA99443  Ambrosia salsola Hisao P. Arai; 1957-4-17 sn Riverside off Highway 60; 1 mi. S of Cabazon Comment
  UCD166243  Ambrosia salsola Jack Major 1962-4-17 777 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  SEINET6734892 Image available Ambrosia salsola I. W. Clokey 1936-4-17 6985 Riverside Cottonwood Springs Comment
  UC897999  Ambrosia salsola var. pentalepis I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
  CAS-BOT-BC177261  Amorpha fruticosa H. M. Hall 1900-5-15 s.n. Riverside Reche [Canon] Canyon 457 Comment
  POM1905  Amorpha fruticosa I. M. Johnston 1918-5-30 s.n Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  RSA91359  Amorpha fruticosa F. W. Peirson 1919-4-12 702 Riverside Palm Canyon, near Palm springs. Comment
  RSA523552  Amsinckia intermedia G. H. True 1936-2-22 10 Riverside Mockingbird Canyon [in or near City of Riverside -SDW] 457 Comment
  SEINET7063024  Amsinckia intermedia A. G. Vestal 1962-3-29 s.n. Riverside About 4.6 miles northeast of Murieta. UTM Zone 11, 487800mE, 3712252mN. (WGS84/NAD83). 346 Comment
  RSA0089620  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA0091251  Amsinckia tessellata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11298 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
  RSA0048418  Amsonia brevifolia A. Lee Haines 1974-4-11 s.n. Riverside Cottonwood Basin. 932 Comment
  UCR89654  Amsonia tomentosa Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  JOTR01144  Amsonia tomentosa Cole, James E. 1941-5-14 703 Riverside Joshua Tree National Park. QUEEN VALLEY 1280 Comment
  RSA357157  Anagallis minima Robert F. Thorne 1973-5-23 43855 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  CAS-BOT-BC137812  Andropogon glomeratus var. scabriglumis Catherine Best 1999-2-7 1505 Riverside Growing along the creek in Andreas Canyon, near Palm Springs. Comment
  UCR34900  Anisocoma acaulis L. B. Ziegler 1969-4-21 351 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  UC485495  Antennaria rosea A. W. Anthony 1895-7-9 Riverside San Jacinto Mt. 2529 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
  HSC25859  Antirrhinum coulterianum R. W. Spjut 1972-3-30 2350 Riverside Just SW of Coahulla Indian Reservation, 2 mi. E of Hwy. Jct. 79 on Hwy. 71, near San Diego Co. line 1220 Comment
  JOTR31068  Antirrhinum coulterianum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2050 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  POM280737  Antirrhinum coulterianum Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA192320  Antirrhinum nuttallianum subsp. nuttallianum H. A. Zuill 1966-6-23 236 Riverside San Mateo canyon about 12 miles SW of Murrieta. Comment
  RSA554279  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White 1992-2-25 92 -2 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
  SD28023  Aphyllon cooperi subsp. latilobum Carl B. Wolf 1932-4-29 3113 Riverside Blythe, Rice Road; 4.0 miles south of Browns Well. 213 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR187495  Apiastrum angustifolium Theresa Johnson 2006-5-23 125 Riverside Peninsular Range, Oak Mountain, 1.5 mi. NNW of Vail Lake dam Comment
  HSC80297  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside 7 mi W of Rancho California 366 Comment
  SD187326  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA0125491  Arabis R. F. Thorne, Walter Wisura 1977-9-17 50772 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA0126208  Arabis glabra R. Weatherby 1949-6-6 638 Riverside Santa Rosa Mtn. 2134 Comment
  RSA0126309  Arabis glaucovalvula P. A. Munz 1949-4-11 13019 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  RSA482604  Arabis perennans E. C. Jaeger 1922-6-29 s.n Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  UCR18483  Arabis pulchra A. C. Sanders 1978-6-11 00219 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR59532  Arabis pulchra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3568 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA629162  Arctostaphylos Jon E. Keeley 1992-7-17 16799 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629371  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16858 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629373  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16862 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  CAS-BOT-BC24913  Arctostaphylos glandulosa subsp. adamsii Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-25 259 Riverside c. 5 mi. up Santa Rosa Mountain road from State Highway 74. 1524 Comment
  RSA520945  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, D. E. Bramlet 1988-10-8 2869 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA629410  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19505 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629448  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-17 16775 Riverside Road to Thomas Mountain (%S15), 4 km N of Toolbox Springs 1930 Comment
  UCR241480  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1014 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  UC1120233  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-28 676 Riverside 3 1/2 mi s Rayneta; San Bernardino National Forest, Riverside Quadrangle Comment
  RSA631737  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19285 Riverside Highway 79, 2 km west of Radec. 550 Comment
  RSA631787  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16732 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  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
  RSA633687  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16654 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  POM12411  Arctostaphylos patula subsp. platyphylla P. A. Munz 1922-9-7 6415 Riverside North fork of Tahquitz Creek. 2287 Comment
  LA43651  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  POM15030  Arctostaphylos pringlei subsp. drupacea Mary F. Spencer 1922-7-2 1980 Riverside Tahquitz trail. Idyllwild. San Jacinto Mt. 1829 Comment
  RSA635655  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16639 Riverside Road to Santa Rosa Mtn. (7S02), 3.2 km south of Hwy 74. 1625 Comment
  RSA701750  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 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
  POM49833  Arctostaphylos pungens P. A. Munz 1924-7-29 8876 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  UCR94613  Arenaria macradenia G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  JOTR31158  Arenaria macradenia var. macradenia La Doux, Tasha 2009-6-3 1866 Riverside Joshua Tree National Park. (Stop 4): Little San Bernardino Mountains, Covington Flats Area, gravelly slopes below peak 1511 Comment
  CLARK-A1656-729  Argemone munita Lois Ann Scott 1979-5-4 Riverside San Jacinto Mountains Comment
  SBBG2312  Argemone munita H. and M. Dearing 1940-6-7 4339 Riverside near Ribbonwood on Palms to Pines Hwy Comment
  UC9886  Argemone munita Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  RSA434319  Argemone munita subsp. rotundata M. B. Dunkle 1933-5-6 3420 Riverside Dry Morongo Creek. Comment
  CAS-BOT-BC207127  Argythamnia lanceolata S. B. Parish 189 (year not completed on sheet) 4141 Riverside Palm Springs, Colorado Desert Comment
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Sep 11 2019
  CAS-BOT-BC137648  Aristida adscensionis D. A. Johansen; J. A. Ewan 1932-4-11 7089 Riverside Martinez Canyon, Santa Rosa Mountains. 365 Comment
  JEPS68442  Aristida adscensionis W. L. Jepson 1912-11-1 5262 Riverside Blythe, Palo Verde Valley 82 Comment
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Aug 29 2012
  RSA0027483  Aristida adscensionis Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 63 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UC196994  Aristida adscensionis Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River Comment
  RSA0041962  Aristida purpurea Duncan S. Bell, Loraine Washburn 2014-4-8 6584 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UC1930099  Aristida purpurea var. longiseta Scott D. White, Justin Wood 2008-6-5 12063 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  SEINET3004998  Aristida purpurea var. nealleyi G. Rink 2011-4-4 10426 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  RSA0121061  Aristida purpurea var. wrightii Duncan S. Bell, Thomas Stoughton 2016-3-16 8947 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA192012  Artemisia douglasiana H. A. Zuill 1966-7-26 301 Riverside About 7.5 miles SW of Murrieta. Comment
  JOTR34155  Artemisia dracunculus Harding, Mitzi, M. Wheeler 2013-9-21 83 Riverside Joshua Tree National Park. Queen Valley; SE of Barker Dam, near Wall Street Mill parking area 1304 Comment
  CAS-BOT-BC93733  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2296 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  RSA561893  Asclepias eriocarpa Steve Boyd 1992-6-10 7636 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido , an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  UC22993  Asclepias fascicularis Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  POM12717  Aster alpigenus var. andersonii Philip A. Munz 1922-7-6 5997 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR277761  Aster subulatus Mitch Provance 2012-11-10 1112- 03 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  RSA21765  Astragalus aridus C. B. Wolf 1937-4-6 8437 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  SBBG3150  Astragalus aridus H. and M. Dearing 1949-4-6 6737 Riverside below sea level, near Mecca Comment
  UCR75057  Astragalus aridus A. C. Sanders, E. J. Lawlor 1992-4-3 12084 Riverside Sonoran (Colorado) Desert, 0.2 mi north of Hwy I-10 at the Wiley Well Rest Stop, c. 31 mi east of Desert Center. 122 Comment
  POM145548  Astragalus bernardinus J. B. Feudge 1926-5-9 1865 Riverside Keyes Ranch, Little San Bernardino Mts 1220 Comment
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Apr 6 2011
  RSA779009  Astragalus didymocarpus var. dispermus Duncan S. Bell 2010-4-1 643 Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  CAS-BOT-BC182645  Astragalus douglasii A. C. Sanders; D. Malueg 2003-5-8 26563 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  SBBG68214  Astragalus douglasii R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  POM306062  Astragalus filipes Henry J. Ramsey, Henry J. Ramsey 1937-5-30 s.n Riverside Palms to Pines Highway. Comment
  UCR137362  Astragalus filipes 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
  UCR112849  Astragalus gambelianus A. C. Sanders 1997-5-1 20622 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR228168  Astragalus insularis var. harwoodii Dave Silverman, Onkar Singh 2010-3-25 7844 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, E of McCoy Mtns, 4.3 km E of Black Creek Rd, 1.2 km W of McCoy Wash and c. 6 km N of Blythe Airport 139 Comment
  RSA507459  Astragalus lentiginosus var. coachellae D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
  UC310838  Astragalus pachypus var. jaegeri Philip A. Munz 1925-5-20 9842 Riverside dry slopes on divide e Dripping Springs; on divide e of Dripping Springs 518 Comment
  CAS-BOT-BC194146  Astragalus pomonensis H. L. Mason 1926-4-30 3114 Riverside Temecula Canyon, one mile south of Temecula Comment
  SD181525  Astragalus pomonensis Scott D. White 1999-5-2 7284 Riverside Perris Basin, Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1I(c)-2 miles west of I-215 freeway. Occasional in sandy soil. USGS Romoland 7.5' quad. 440 Comment
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Nov 26 2012
  RSA90742  Astragalus pomonensis F. W. Peirson 1922-4-29 2957 Riverside Roadside W of Lake Elsinore. 381 Comment
  UCR38117  Astragalus tricarinatus J. M. Stewart 1985-3-16 8507 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  UCR20810  Athysanus pusillus A. C. Sanders 1980-4-17 1343 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  RSA516912  Atrichoseris platyphylla Steve Boyd, Orlando Mistretta 1986-3-13 1454 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC1279720  Atriplex D. B. Dunn 1947-9-21 3505 Riverside Pushawalla Canyon on the n side just below the Palms and spring by quadrant 7 Pushawalla Canyon Comment
  POM278729  Atriplex canescens Grant D. Brown 1950-12-2 588 Riverside About halfway between Arlington and Cajalco Resevoir in foothills. 335 Comment
  SBBG1754  Atriplex canescens H. and M. Dearing 1939-11-12 4026 C Riverside near Banning Comment
  SD229126  Atriplex canescens Dick Schwenkmeyer 2012-11-6 876 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC7053  Atriplex canescens H. M. Hall June 1901 2003 Riverside San Jacinto Valley Comment
  UC850758  Atriplex canescens Carl B. Wolf 1932-10-13 4304 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  RSA696734  Atriplex canescens var. laciniata J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
  UCR159814  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  RSA701087  Atriplex hymenelytra Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11247 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
  SBBG65383  Atriplex hymenelytra S. W. Hutchinson 1928-2-1 107 Riverside Thousand Palms 243 Comment
  CAS-BOT-BC169297  Atriplex lentiformis S. B. Parish 1912-6-28 8118 Riverside Alkaline flats, Mecca Comment
  RSA736757  Atriplex lentiformis Scott D. White, Lynn Stafford 2007-6-27 11749 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR45118  Atriplex lentiformis L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  SBBG1783  Atriplex polycarpa H. and M. Dearing 1938-3-6 Riverside Box Cyn Comment
  POM278972  Atriplex rosea Grant D. Brown 1950-12-2 587 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  SBBG72594  Atriplex semibaccata M. N. Ackley 1928-3-25 105 Riverside Indio -4 Comment
  UCR22166  Atriplex serenana Steve Boyd 1980-10-13 364 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  SD211582  Atriplex triangularis Justin M. Wood 2008-9-22 145 Riverside Southwest Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 292 Comment
  RSA772335  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4515 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SDSU13514  Avena barbata W. Miller 1972-7-5 Riverside Comment
  SEINET14287513  Avena fatua N. C. Cooper 1944-5-6 1218 Riverside Banning. 701 Comment
  UCR232797  Avena fatua John F. Green 2008-4-16 0408- 40 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  RSA0042214  Avena fatua Margaret Murphy 1983-4-15 0008 -A Riverside Moreno Acres of the unincorporated area known as Sunnymead. North section of parcel 475-090-006, lot 20. Comment
  JOTR32850  Baccharis brachyphylla La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1169 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  UCR281865  Baccharis brachyphylla A. C. Sanders, Jim Malusa 2017-9-19 43333 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 3.75 km SW (209 deg. ) of Tabaseca Tank 711 Comment
  CLARK-A1656-855  Baccharis emoryi Jon Mark Stewart 1983-11-14 83-61 Riverside Santa Rosa Mountains 822 Comment
  POM319735  Baccharis emoryi Patricia Wilder 1971-11-11 5306 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  CAS-BOT-BC106747  Baccharis salicifolia Roxana S. Ferris 1953-3-6 12591 Riverside In creek bottom, Palm Canyon, south of Palm Springs Comment
  POM153358  Baccharis salicifolia Philip A. Munz, I. M. Johnston 1928-9-6 11237 Riverside Morongo Creek, Colorado Desert 610 Comment
  RSA180328  Baccharis salicifolia E. W. Lathrop 1965-3-30 5604 Riverside 14 miles W of Murrieta. Comment
  RSA5606  Baccharis salicifolia C. B. Wolf 1932-10-11 4273 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  SD152957  Baccharis salicina Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7663 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  RSA314468  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55384 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UC1303135  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Wells Little San Bernardino Mts., Conchilla Mts. 1219 Comment
  UC1518843  Baccharis sergiloides Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55384 Riverside 3.3 mi n of, west side of Whitewater Canyon Whitewater Post Office; San Bernardino Mts., Whitewater Canyon 594 Comment
  UCD169938  Bacopa monnieri Alexandra Beaty 2018-2-6 s.n. Riverside La Quinta. Growing at golf course called The Quarry at La Quinta. 0 Comment
  RSA252707  Bacopa monnieri J. T. Gordon 1974-11-16 775 Riverside forming small mounds in damp soil along Colorado River at Agnes Wilson Rd. 104 Comment
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Jun 12 2020
  UCSB9966  Baileya multiradiata Beeks, Richard 1952-4-5 Riverside 12 miles E. of Shaver Summit Comment
  RSA554074  Baileya pauciradiata Scott D. White 1991-7-26 91 -70 Riverside City of La Quinta, NE corner of Jefferson & 53 road Streets 30 Comment
  SEINET3005007  Baileya pauciradiata G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10436 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  POM46891  Bebbia juncea Mary F. Spencer 1918-4-7 775 Riverside Palm Springs. 168 Comment
  RSA643333  Bebbia juncea R. D. Goeden, D. W. Ricker 1980-3-20 s.n. Riverside Colorado Desert: Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  RSA676034  Bebbia juncea Scott D. White 2001-4-12 8295 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
  RSA776769  Bebbia juncea Amber Swanson 2011-4-8 379 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR140720  Bebbia juncea A. C. Sanders 2004-5-12 27891 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR167806  Bebbia juncea T. B. Salvato, Melissa Clemons 2005-6-23 1311 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  CAS-BOT-BC100115  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2738 Riverside Tahquitz [Canon] Canyon Comment
  CAS-BOT-BC100134  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  CAS-BOT-BC100140  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  JEPS19299  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1266 Riverside San Jacinto River to Strawberry Valley Comment
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Jul 8 2014
  LA211976  Bebbia juncea var. aspera Deidre Conocchioli; Duncan Bell 2014-3-11 153 Riverside Devil Canyon in the Santa Rosa Wilderness area. West of Coachella Valley, 3 miles south of Lake Cahuilla. 110.0 Comment
  RSA678358  Bebbia juncea var. aspera Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10493 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
  RSA0100138  Bernardia incana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8556 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA648648  Bernardia myricifolia R. E. Riefner 2000-6-10 20 -482 Riverside San Bernardino National Forest. Hwy. 74 near Pinyon Flats Campground 1219 Comment
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Sep 7 2011
  OBI37524  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Keith Rd, just E of the Bear Crk development golfcourse Comment
  RSA724079  Beta vulgaris R. E. Riefner 1998-4-22 98 -266 Riverside City of Wildomar, near Lake Elsinore, N 0.25 mi from Union St. and Corydon Rd. 367 Comment
  SEINET272195  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside: Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge. 243 Comment
  UCR188892  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR199596  Bloomeria crocea Scott D. White 2004-4-26 10240 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR232024  Bloomeria crocea John F. Green 2008-4-24 11- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Kimes Ln. 511 Comment
  SEINET12049901  Bloomeria crocea N. C. Cooper 1944-1 1542 Riverside San Jacinto Mtns. (Pine Cove) 1676 Comment
  SEINET225802  Bloomeria crocea var. crocea K. M. Kummer 1981-5-19 Riverside Box Springs Mountains Box Springs Reserve 732 Comment
  UCR22156  Bloomeria crocea var. crocea Steve Boyd 1980-5-13 267 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC16093  Boechera californica Michael Wall; Lorrae Fuentes 1995-4-13 102 Riverside Santa Rosa Mountains, along Highway 74, 14.8 miles southeast of Highway 243 junction in Mountain Center. Comment
  CLARK-A1528-3271  Boerhavia wrightii John C. Roos 1937-8-22 14 Riverside Comment
  UCR113864  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2000-6-24 2069 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  POM161550  Bouteloua barbata Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  RSA495791  Bowlesia incana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2898 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA97358  Bowlesia incana F. W. Peirson 1922-4-30 2954 Riverside Lancaster Valley about 1.5 miles from the Temecula River on road to Hemet 518 Comment
  JOTR32326  Brandegea bigelovii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Steep bedrock on south facing slope of large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 3) Comment
  RSA27506  Brandegea bigelovii I. L. Wiggins 1941-3-26 s.n. Riverside Along wash at Wiley Well. Comment
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Sep 19 2012
  RSA394244  Brandegea bigelovii M. B. Dunkle 1935-4-17 4564 Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  RSA644218  Brandegea bigelovii V. W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-12 1359 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 600 Comment
  CAS-BOT-BC36846  Brassica tournefortii John H. Thomas 1949-2-28 46 Riverside Between Banning and Palm Springs. Comment
  RSA708054  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-16 10171 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA784969  Brassica tournefortii Duncan S. Bell 2012-3-18 3232 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  SD232232  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 609 Comment
  UCD114700  Brassica tournefortii Robert F. Thorne; W. A. Tilforth 1980-5-28 54198 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 609 Comment
  RSA592677  Brickellia californica Scott D. White 1996-7-2 4254 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SEINET272197  Brickellia californica A. C. Sanders, T. Tennant; A. Montalvo & B. Wagner 1997-11-20 21610 Riverside Lake Skinner reserve area: Diamond Valley canyon along Rawson rd. going into hills toward Crown Valley. 509 Comment
  SD146037  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, et al. 1996-11-23 19650 Riverside San Bernardino Mountains; Whitewater Canyon, just below the fish hatchery. 648 Comment
  RSA191990  Brodiaea filifolia E. W. Lathrop 1966-5-1 6237 Riverside 3 miles W of Murrieta Comment
  UC1871317  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  RSA180433  Bromus arenarius E. W. Lathrop 1965-5-9 5742 Riverside 6 miles W of Murrieta. Comment
  SEINET239061 Image available Bromus arizonicus O. F. Clarke 1973-3-21 Riverside Riverside. Weed at the O.F. Clarke residence, 1012 Spruce Street. Comment
  RSA741173  Bromus carinatus Scott D. White, Justin M. Wood 2008-5-15 12010 Riverside Johnson Meadow. 1415 Comment
  RSA715939  Bromus diandrus Scott D. White, Angelia Carey 2004-4-5 10027 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  POM47175  Bromus diandrus Mary F. Spencer 1920-4-5 1546 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA739554  Bromus grandis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35664 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC155545  Bromus hallii H. M. Hall 1901-7-1 2538 Riverside San Jacinto Mountains. West Fork Snow Creek. 1524 Comment
  UCR120897  Bromus hordeaceus A. C. Sanders, D. Malueg 2002-4-8 24908 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR154825  Bromus hordeaceus A. C. Sanders, Mike Misenhelter 2005-3-23 29281 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UC1117717  Bromus marginatus Alan A. Beetle 1946-6-10 4392 Riverside near Idyllwild (in San Jacinto Mountains); San Jacinto Mountains 1219 Comment
  SEINET221092 Image available Bromus rubens Leila M. Shultz, R. Thorne; J. Hogue R. Tilford. 1980-4-16 4012 Riverside Bridge over Whitewater River, base of Whitewater Canyon, San Bernardino Mtns. (Range possibly 3 or 4 E). 436 Comment
  RSA0065571  Bromus rubens Marion P. Harthill 1971-3-19 12 Riverside Palm Desert. Comment
  CAS-BOT-BC185647  Bromus tectorum Scott D. White 1996-4-14 3911 Riverside East of Hemet. San Jacinto River Wash near Valle Vista, north of Highway 74, ca. 1.7 mile west of USFS Cranston Fire Station. 548 Comment
  SEINET244831 Image available Bromus tectorum A. C. Sanders 2002-4-16 24957 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  RSA583754  Bromus tectorum Steve Boyd 1995-4-24 8477 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  SEINET2060498 Image available Caesalpinia Steven J. Southwell 1971-5-1 Riverside 300 feet W of road through Thousand Palm Oasis. 152 Comment
  RSA405294  Caesalpinia virgata Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  RSA498296  Caesalpinia virgata Martha Hilend 1928-3-25 s.n Riverside Painted Canyon. Comment
  RSA550273  Caesalpinia virgata Walter Wisura, John Dolan, Michael Wall 1992-3-24 4623 Riverside Lowdesert: 6.2 miles NE of Mecca on Box Canyon Road. Comment
  UC1595738  Caesalpinia virgata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4623 Riverside 6.2 mi. n.e. Mecca (on Box Canyon Rd.) Comment
  UC373093  Caesalpinia virgata Marcus E. Jones, A. M. 1906-4-27 Riverside Indio Comment
  UCR161366  Caesalpinia virgata Mark A. Elvin 2005-4-26 4227 Riverside Northern Sonoarn Desert, Coachella Valley; west of Coachella Valley Preserve 84 Comment
  SD185298  Calandrinia ambigua John F. Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  CLARK-A1528-3812  Calandrinia ciliata John C. Roos 1952-3-19 5394 Riverside Box Springs Mountains 457 Comment
  UCR113128  Calandrinia ciliata A. C. Sanders 1998-3-11 21659 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  UCR127548  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2003-5-21 26803 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR91464  Calandrinia ciliata Scott D. White 1995-3-30 2659 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  UCR60635  Callitriche heterophylla subsp. bolanderi R. F. Thorne 1973-5-23 43876 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR60514  Callitriche longipedunculata R. F. Thorne 1973-5-23 43847 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CLARK-A1045-62  Callitriche marginata George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  UCR18880  Callitriche marginata John C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs 488 Comment
  UC813614  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  SEINET5334883  Calocedrus decurrens G. B. Grant 1901-1 691 Riverside from San Jacinto Mountains, S. Cal. 914 Comment
  POM12732  Calochortus concolor Philip A. Munz 1922-6-30 5917 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR1117  Calochortus concolor Kathy Shaffer 1957-5-18 s.n. Riverside San Jacinto Mountains, one mile south of Hwy 74 at the foot of Bautista Canyon 610 Comment
  UCR23208  Calochortus concolor J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  JEPS55620  Calochortus palmeri var. munzii H-M. and R. S. Beard 1967-7-1 Riverside Alderwood and Pine Crest Roads, vacant lot Idyllwild 1645 Comment
  UCR139247  Calochortus palmeri var. munzii A. C. Sanders, Kate Kramer 2003-6-11 26879 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, near Morris Ranch Rd. c. 0.25 mi. NW of Kenworthy Ranger Station 1377 Comment
  RSA773595  Calochortus plummerae Duncan S. Bell, Ryan Parker 2010-6-15 1307 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.9 air mile southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 740 Comment
  CAS-BOT-BC154053  Calochortus splendens Jun Hu 2000-5-11 16 Riverside San Jacinto Valley: SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA297875  Calochortus splendens David M. Hutt 1965-6-23 s.n. Riverside Raised at the Univ. of California Botanical Garden (No. 62.169) from collection by H.M. & R.S. Beard, 11 May 1962 Comment
  RSA78132  Calochortus splendens Verne Grant, Alva Grant 1953-5-15 18458 Riverside Pinyon Flat Public Camp, near Highway 74. 1220 Comment
  SD137976  Calochortus splendens Darin L. Banks, Steve Boyd 1995-5-3 238 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs alcove Area, along the lower alluvial benches of arroyo Seco. 512 Comment
  UCR127556  Calochortus splendens A. C. Sanders, T. B. Salvato 2003-5-21 26796 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR172767  Calochortus splendens Abby Sirulnik, Ian G. Gillespie 2000-5-14 53 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  CAS-BOT-BC483505  Calochortus splendens Street; Jenkins 1917-5-30 1953 Riverside San Jacinto Canyon Comment
  PASA534  Calochortus venustus Mary Hall Riverside San Jacinto River Comment
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Jun 24 2016
  UCR90586  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR80732  Calycadenia tenella Steve Boyd, T. Ross 1992-6-10 7626 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  RSA755595  Calycoseris parryi Scott D. White, Michael Honer 2003-5-13 9236 Riverside Shavers Valley / Cottonwood Mountains. Lower mountain slopes ca. 1 air mile N of the I-10 Freeway. 488 Comment
  RSA0117828  Calyptridium monandrum Sarah J. J. De Groot, Grace Cho 2016-4-4 7770 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  SEINET7072819  Calyptridium monandrum A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 7" North Latitude, -116? deg. 49' 54" West Longitude, Coordinate datum: NAD27.). Comment
  UCR116894  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24205 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR87653  Calyptridium monandrum A. C. Sanders 1994-5-29 14578 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  SDSU21844  Calystegia macrostegia subsp. tenuifolia Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 7 Riverside Santa Magarita Ecological Reserve, Via Tornado, about 2-3 miles south of Santa Margarita river. 313 Comment
  UC1184269  Camissonia Peter H. Raven 1958-2-15 11568 Riverside Corn Springs Chuckawalla Mountains Comment
  RSA0021242  Camissonia arenaria Amber Swanson, Duncan S. Bell 2011-3-20 246 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  RSA465927  Camissonia bistorta Christopher Davidson 1973-4-1 1796 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA523490  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3950 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UCR43755  Camissonia bistorta A. C. Sanders, B. Pitzer 1986-4-30 6489 Riverside San Jacinto Mtns, head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  UCR88112  Camissonia boothii A. C. Sanders, G. Nuhn 1995-4-20 16589 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA617857  Camissonia brevipes Walter Wisura 1998-3-28 5114 Riverside 3.1 mi W of Corn Spring S of I-10. Comment
  RSA0021216  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-15 11840 Riverside Colorado Desert, with parents in broad sandy wash, Box Canyon, 4.2 miles E of turn to Painted Canyon. Comment
  RSA144673  Camissonia californica William M. Klein 1958-2-11 43 Riverside Along highway 99 [Hwy 86], 2.8 miles NW of the Riverside-Imperial County line, on shoulder of road. Comment
  RSA145174  Camissonia californica William M. Klein 1958-2-11 30 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 546 Comment
  RSA678219  Camissonia californica Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1086 Riverside Big Morongo Wash. 473 Comment
  RSA775496  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4414 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR85175  Camissonia californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16095 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  POM153428  Camissonia cardiophylla M. French Gilman 1927-12-31 s.n. Riverside Pinto Basin, Colo. Desert. Comment
  RSA719044  Camissonia claviformis Michael Honer 2005-3-11 2056 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  RSA444306  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-1-29 4177 Riverside Low sand dunes NE of Fred Warring [Waring] Drive, Palm Desert. [seed voucher] Comment
  RSA291564  Camissonia hirtella C. W. Tilforth, B. Busenberg 1980-6-17 2002 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  RSA586097  Camissonia ignota D. L. Banks, Steve D. Boyd 1995-4-5 137 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, along the Dripping Springs Trail. 610 Comment
  UCR201508  Camissonia intermedia Scott D. White, Justin M. Wood 2008-6-18 12208 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UCR258634  Camissonia intermedia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7901 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CLARK-A1528-661  Camissonia micrantha C. M. Flanagan 1973-5-20 OO 525 Riverside Morongo Indian Reservation 1158 Comment
  UCR17932  Camissonia pallida A. C. Sanders 1976-4-20 00461 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  VVC702  Camissonia pallida P. J. MacKay, T. Thomas 1997-2-8 91 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  JOTR32959  Camissonia pallida subsp. hallii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA314654  Camissonia pallida subsp. pallida Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55412 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA776225  Camissonia pallida subsp. pallida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 868 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR269111  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4465 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  RSA449052  Camissonia refracta L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  UCR130119  Camissonia refracta Scott D. White 2001-4-3 8242 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA171325  Camissonia strigulosa J. Olmstead 1962-5-3 3474 Riverside E slope on Baldy Mt., along Pines to Palms hwy., 1 1/2 mi. S of 4936' summit south of Mt. Center. San Jacinto -Santa Rosa Mts. 1311 Comment
  UC219287  Camissonia strigulosa P. A. Munz and I. M. Johnston 1922-5-20 5466 Riverside Kenworthy San Jacinto Mts. 1432 Comment
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Mar 25 2011
  UC76373  Camissonia strigulosa Miss M. Alice King April, 1893 Riverside Box Springs Comment
  UCR87658  Camissonia strigulosa A. C. Sanders 1994-5-29 14571 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  JEPS31584  Camissoniopsis bistorta W. L. Jepson May 17 1901-Jun 1 1901 1210 Riverside mesas e Riverside Comment
  SDSU3327  Camissoniopsis bistorta H. Wedberg 1958-3-30 188 Riverside Across stream from Hwy 74 and near garbage pit in Upper San Juan Campground, east of San Juan Capistrano. Comment
  UC874013  Camissoniopsis bistorta I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4730 Riverside Gavilan Peak 600 Comment
  RSA0112637  Camissoniopsis confusa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23904 Riverside Perris-Aguanga Basin region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta. 396 Comment
  SD254656  Camissoniopsis hirtella Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 342 Riverside Peninsular Ranges; San Jacinto Mountains: Just down Mt Edna Road W off of CA Hwy 243 (Cabazon 7.5'Q) 1146 Comment
  JOTR34475  Camissoniopsis pallida Andre, Jim 2012-4-16 20945 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  SD185272  Camissoniopsis pallida A. C. Sanders, J.. Dice, K. C. Rose, D. Woodard 1995-3-19 16160 Riverside San Jacinto Mountains foothills/Sonoran (Colorado) Desert; Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road, 11 telephone poles above Hwy 111/Palm Canyon Drive (Palm Springs 7.5'Q) 299 Comment
  UC1186517  Camissoniopsis pallida subsp. pallida E. G. Linsley and J. W. MacSwain 1960-3-1 60 -1 Riverside Tamarisk Avenue Palm Springs Comment
  UCR166102  Camissoniopsis pallida subsp. pallida A. C. Sanders, G. Nuhn 1995-4-20 16578 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UCSB10563  Camissoniopsis pallida subsp. pallida Lloyd, Robert 1960-3-23 Riverside One mile from U.S. HiWay 99 on road (St. 111) to Palm Springs, San Jacinto Mt. Range 396 Comment
  UCR158334  Capsella bursa-pastoris A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30059 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
  RSA0103089  Carex alma Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8551 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  CAS-BOT-BC412825  Carex barbarae R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  CAS-BOT-BC20600  Carex douglasii Philip Alexander Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2316 Comment
  UCR24104  Carex douglasii John C. Roos 1943-10-16 2739 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  UC72160  Carex fracta H. M. Hall May 17 1901 - Jun 1 1901 2665 Riverside Strawberry Valley, San Jacinto Mountain 1600 Comment
  UCR40570  Carex fracta A. C. Sanders 1980-8-23 1765 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  CAS-BOT-BC31692  Carex mariposana H. M. Hall 1901-7-1 2416 Riverside San Jacinto Mountains, among rocks near the Summit 3291 Comment
  RSA249849  Carex multicaulis Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
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Apr 24 2011
  UCR128299  Carex multicaulis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8653 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA180458  Carex praegracilis E. W. Lathrop 1965-3-30 5605 Riverside 12 miles west of Murrieta. Tenaja Range Comment
  RSA750736  Carex praegracilis Scott D. White, Justin M. Wood 2009-5-22 12901 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  UCR29130  Carex praegracilis A. C. Sanders, S. D. Boyd 1980-5-19 1501 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  UCR40555  Carex schottii Steve Boyd 1985-7-23 1024 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  SD112272  Carex senta Darley Howe 1941-6-8 1333 Riverside San Jacinto Mts, Strawberry Creek. Comment
  UCR228674  Carex senta Peter F. Zika, Nick Otting 2010-8-3 25243 Riverside Peninsular Ranges; San Jacinto Mountains, vicinity of Willow Creek, San Jacinto Wilderness Area 2550 Comment
  SEINET7578801 Image available Carex triquetra Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6753 B Riverside Santa Ana Mountain, San Mateo Cyn Wilderness Area, Morgan Trail from Round Potrero W to jtn with Tenaja Tr in N-fork Bear Creek. 671 Comment
  SEINET7578804 Image available Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about "Potrero Escondido", an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA0105942  Castela emoryi Alan Romspert 2000-4-15 s.n. Riverside East of Dupont road, Chuckwalla Mountains. Comment
  RSA1156  Castela emoryi B. D. Stark 1929-04 545 Riverside Hayfields, Chuckwalla Valley Comment
  RSA495813  Castilleja affinis Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2923 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  SD229284  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-8-7 793 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA0010919  Castilleja densiflora subsp. gracilis B. Pitzer, E. Misqez 1988-2-28 622 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  UCR162414  Castilleja exserta 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
  UCR281280  Castilleja exserta Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 20 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  CLARK-A1528-4177  Castilleja foliolosa John C. Roos 1940-5-4 880 Riverside San Timoteo Canyon Comment
  PASA985  Castilleja foliolosa Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA772853  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4838 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR245981  Castilleja foliolosa Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2629 Riverside Transverse Range; San Bernardino Mtns., side canyon off of the West Fork of Mission Creek c. 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek 944 Comment
  RSA0010924  Castilleja lasiorhyncha Anstruther Davidson s.n. Riverside Strawberry Valley Comment
  POM312155  Castilleja minor subsp. spiralis N. C. Cooper 1194 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  SD136752  Castilleja minor subsp. spiralis Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7329 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  RSA614140  Caulanthus D. L. Banks 1997-2-23 1307 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
  RSA0120135  Caulanthus hallii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9082 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  SBBG50745  Caulanthus hallii R. S. Woglum 1941-5-17 3055 Riverside Horse Cyn, NE off Coyote Cyn Comment
  JEPS29316  Caulanthus heterophyllus Rimo Bacigalupi and L. Heckard 1962-3-26 8412 Riverside 3.3 mi. n.w. Alberhill (near headwaters of Temescal Wash & Canyon, w. base of Estelle Mt. & just opposite Indian Canyon (from w.)) 304 Comment
  RSA516427  Caulanthus heterophyllus W. Wisura, Bart O Brien, T. Hayduk 1990-5-2 4434 Riverside Ortega Hwy. lower switchbacks above Lake Elsinore, in burned area. Comment
  UCR280954  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 61 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  OBI42562  Caulanthus simulans A. C. Sanders 1986-6-1 6557 Riverside San Jacinto Mtns, along the trail toward Spitler Peak from the Hurkey Creek camp to Bonita Vista road 1707 Comment
  UC489223  Ceanothus cordulatus C. V. Meyer 1928-7-31 615 Riverside 7500 ft Tahquitz Peak; San Jacinto Mts. Comment
  CAS-BOT-BC48458  Ceanothus crassifolius A. C. Sanders 2006-5-19 32451 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north Glinton Keith Rd. 518 Comment
  RSA583364  Ceanothus crassifolius Steve Boyd, Darin Banks 1995-4-5 8417 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA606764  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27359 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SD27983  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Santa Ana Mts., Hidden Canyon, 5 Mi. west of Corona, base of Skyline Drive 405 Comment
  RSA399852  Ceanothus greggii var. perplexans H. de Forest 1932-8-28 15811 Riverside W side San Jacinto Valley. Comment
  SD7235  Ceanothus leucodermis Daniel Cleveland 1882-5-3 Riverside Temecula Comment
  UCR155339  Ceanothus leucodermis A. C. Sanders, Mike Misenhelter 2005-3-23 29263 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA3117  Ceanothus oliganthus Carl B. Wolf 1932-2-11 2646 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  CAS-BOT-BC51645  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-23 7893 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  SJSU14591  Ceanothus ophiochilus S. Boyd, T. Ross & L. Arnseth 1989-3-19 Riverside 1 mi W of Vail L 762 Comment
  UC1611573  Ceanothus ophiochilus Steve Boyd, Tim Ross 1993-3-23 7892 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 609 Comment
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Sep 20 2010
  UCR68477  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2960 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  RSA0054959  Ceanothus papillosus Keith E. Hoffmaster 1932-4-17 503 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  UCR185126  Ceanothus perplexans Naomi Fraga, Tim Thibault 2006-5-16 1669 Riverside San Jacinto Mountains, Peninsular Ranges; c. 2.5 mi. up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat 1585 Comment
  CAS-BOT-BC63254  Ceanothus tomentosus var. olivaceus Ynez Whilton Winblad 1936-3-26 s.n. Riverside Between Redlands and Beaumont. Comment
  RSA282962  Ceanothus tomentosus var. olivaceus Lyman Benson 1933-3-31 4143 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  CLARK-A1528-2042  Centaurea melitensis Margaret Ferro 1970-5-20 27 Riverside Riverside 457 Comment
  RSA618393  Centaurea melitensis Darin L. Banks 1997-5-5 1970 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR140872  Centaurea repens John Rimoldi 2004-8-15 s.n. Riverside San Bernardino Valley Region, Arlington area of Riverside, Doolittle Ave., c. 0.5 km NW of Van Buren Blvd. on Doolittle, west of Riverside Airport 226 Comment
  RSA735927  Centaurea solstitialis Scott D. White, Justin M. Wood 2008-5-29 12043 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR114951  Centaurea solstitialis D. E. Bramlet 1999-6-22 2813 Riverside San Jacinto Wildlife Area. 396m west of Davis Road and 152m south of the well maintenance road, 854m southwest of the reserve headquarters. 433 Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  SEINET3094376 Image available Centaurium calycosum L. A. McGill, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch. Comment
  JEPS106965  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  JEPS8778  Centromadia pungens subsp. laevis Rimo Bacigalupi with G. T. Robbins 1954-5-16 4466 Riverside one-half mi w of Lakeview and just e of Lakeview (formerly Ginsberg) Hot Springs; Valley of San Jacinto 432 Comment
  SD227752  Centromadia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner / Domenigoni area: French Valley, E side of Washington Ave., near Rawson Rd. 451 Comment
  UCR266905  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-13 3904 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Bloome Parcel, 2550 ft. north of San Jacinto River, 1580 ft. south of South Contour Rd., 4700 ft. east of Mystic Lake Duck Club 433 Comment
  RSA526484  Cerastium glomeratum Steve Boyd, Timothy S. Ross 1990-5-11 4681 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
  RSA249861  Ceratophyllum demersum R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38146 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  JOTR30770  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  UC1127850  Cercocarpus betuloides var. betuloides R. St. John 1929-3-27 18 Riverside Snow Creek 914 Comment
  UCR175182  Cercocarpus betuloides var. betuloides Jim Andre 2006-4-26 6754 Riverside South Mojave Desert, Joshua Tree National Park: c. 5 mi NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1321 Comment
  HSC86128  Cercocarpus montanus var. glaber P. Lamos 1972-4-16 416720601 Riverside 4.5 mi. W of jct. 243 and 74 1067 Comment
  RSA0087538  Chaenactis Hutchinson 1927-05 s.n. Riverside Colorado Desert. Comment
  SDSU14065  Chaenactis artemisiifolia Jonathan S. Austin, Michael G. Simpson 2002-4-20 17 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river, Santa Margarita Ecological Reserve. 233 Comment
  UCR158500  Chaenactis artemisiifolia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30037 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
  UCR47218  Chaenactis artemisiifolia B. G. Pitzer, L. F. LaPre 1987-3-2 425 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  CAS-BOT-BC276382  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UC1550218  Chaenactis carphoclinia var. carphoclinia David Charlton 1988-2-25 1227 Riverside Dillon Road and 1000 Palms Oasis Rd Jct. Little San Bernardino Mtns. (s of Joshua Tree National Monument) 609 Comment
  UC894419  Chaenactis carphoclinia var. carphoclinia P. A. Munz Apr 9 1922-Apr 12 1922 4842 Riverside Corn Springs Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  LA212022  Chaenactis fremontii Deidre Conocchioli; Duncan Bell 2014-3-4 142 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695.0 Comment
  POM351702  Chaenactis fremontii Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  RSA537692  Chaenactis fremontii Charles B. Fiker 1946-4-16 3414 Riverside West side of Colorado Desert Comment
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Mar 23 2014
  RSA682173  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 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
  SEINET270811 Image available Chaenactis fremontii Richard J. Shaw 1958-4-6 1099 Riverside Joshua Tree National Monument ; On road from White Tank campground to South Entrance 610 Comment
  UC31002  Chaenactis fremontii S. B. Parish Apr 4 1896-Apr 13 1896 4119 Riverside desert base of San Jacinto Mt.; , Palm Springs (Agua Caliente) 152 Comment
  UC665833  Chaenactis fremontii Ira L. Wiggins 1941-3-27 9700 Riverside slopes 4 mi n of Whitewater Comment
  UCD81587  Chaenactis fremontii Chuck Hughes 2009-3-27 70 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  UCR100089  Chaenactis fremontii R. G. Swinney 1967-3-5 45 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR133955  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 MOR- 960 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR4208  Chaenactis fremontii J. R. Sweeten 1965-5-15 21 Riverside San Bernardino Mtns., Whitewater Canyon, Whitewater Cyn Rd. about 4 miles from Hwy 60 Comment
  UCR44229  Chaenactis glabriuscula A. C. Sanders 1986-6-1 6556 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  SEINET7450233 Image available Chaenactis glabriuscula G. R. Hall 1905-1 8486 Riverside Riverside. Comment
  RSA586841  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Peter Morrell 1995-5-4 0308 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  RSA763054  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1968-5-22 6943 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC1563130  Chaenactis glabriuscula var. glabriuscula Steven Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3608 Riverside around n extension of Woodchuck Rd. (n of Hwy 79, Vail Lake area, Kolb Creek drainage); Vail Lake, Kolb Creek 487 Comment
  RSA741203  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  POM9388  Chaenactis glabriuscula var. lanosa I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  UC535051  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  CAS-BOT-BC284345  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon ca. 100 yards east of spring Comment
  RSA0026118  Chaenactis stevioides J. Andre, Glenn L. Clifton, Ron Kelley 2013-3-21 24398 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps 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 run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of 'Grommet' RR xing at Highway 62. 363 Comment
  UC69078  Chaenactis stevioides H. M. Hall 1905-4-23 5874 Riverside Chuckawalla bench Colorado Desert, Chuckawalla Comment
  UCR17945  Chaenactis stevioides Andrew Alexis 1978-4-15 s.n. Riverside Western Colorado Desert, Painted Canyon Rd, 5 miles east of Mecca Comment
  UCR241109  Chamaesyce abramsiana Tim Thomas, Paul Frank, Art Schaub, Michael Honer 2012-9-5 5884 Riverside Colorado River Valley, Wilson Road, 0.3 mi west of the river 104 Comment
  JOTR32637  Chamaesyce albomarginata La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2559 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  RSA561891  Chamaesyce albomarginata Steve Boyd, T. S. Ross 1992-6-10 7638 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04), at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA339361  Chamaesyce micromera R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53583 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  RSA727599  Chamaesyce micromera Naomi Fraga, Lisa Rojas 2005-2-10 1388 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC1292298  Chamaesyce micromera C. L. Hitchcock and C. V. Muhlick 1964-3-17 23080 Riverside 8 mi se Corona (along rd to Elsinore) Comment
  CHSC39253  Chamaesyce polycarpa M. O. Dillon; E. Rodriguez 1977-1-29 796 Riverside Ca. 1 mi. E of Mecca. Mojave Desert. Comment
  RSA614604  Chamaesyce polycarpa var. polycarpa A. C. Sanders 1994-1-30 14224 Riverside Box Springs mountains, E-facing open slope at the head of big Springs Canyon, in saddle SE of peak 2602. 762 Comment
  CDA35278  Chamaesyce serpillifolia subsp. serpillifolia Louis C. Wheeler 1965-6-27 8692 Riverside Corona: Overboltzer s Grove. 0 Comment
  UC196601  Chamaesyce setiloba Joseph Grinnell 1910-3-17 Riverside Riverside Mtn, Colorado River Comment
  UC869131  Chamaesyce setiloba Alice Eastwood 1913-4-30 2978 Riverside Palm Springs Comment
  SEINET3869777  Cheilanthes clevelandii Steve Boyd, Laurel Arnseth; Timothy S. Ross 1990-3-30 3968 Riverside Vail Lake area, westerly draining cyn at N base of 'Big' Oak Mtn.; 0 640 Comment
  RSA685716  Cheilanthes covillei I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  RSA85555  Cheilanthes covillei F. W. Peirson 1921-3-22 2331 Riverside Murray Canyon near Palm Springs. 488 Comment
  UC1286694  Cheilanthes covillei Elizabeth Parsons Hawver 1917-3-25 Riverside Andreas Canyon Palm Springs Comment
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Apr 16 2011
  UCR178197  Cheilanthes covillei Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1018 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UC1930142  Cheilanthes feei Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  POM301706  Cheilanthes newberryi J. C. Roos 1938-5-2 1412 Riverside hills near La Sierra, western Riverside Co. Comment
  UCR261572  Cheilanthes newberryi Joseph Cahill 2011-1-8 111- 05 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  JOTR34127  Cheilanthes parryi Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21085 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  RSA636138  Cheilanthes parryi L. C. Wheeler 1964-10-17 8638 Riverside Orocopia Mountains: South of Hayfield Reservoir (lake) Colorado Desert. Comment
  CAS-BOT-BC70381  Cheilanthes viscida J. G. Lemmon 1880-4-1 28 Riverside Whitewater, Colorado Desert Comment
  SEINET3124928 Image available Cheilanthes viscida Andrew C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mtns/Colorado Desert; Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the road to the tram station, vicinity of the upper end of the flood control dike 550 Comment
  RSA741602  Chenopodium Justin M. Wood 2008-9-22 160 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SD186162  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley; Trilogy at Glen Ivy at the confluence of Boxby and Anderson Canyons. 366 Comment
  UCR199787  Chenopodium album Scott D. White, Angelia Carey 2004-7-2 10555 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR20418  Chenopodium ambrosioides Dr. H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Jacinto Mountains, north base of mountains, Snow Creek Canyon 549 Comment
  UCR125294  Chenopodium berlandieri A. C. Sanders 2002-11-21 25627 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  UCR82221  Chenopodium murale J. M. Stewart 1994-5-2 842 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  SD229111  Chilopsis linearis Dick Schwenkmeyer 2013-6-11 906 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR17116  Chilopsis linearis J. W. Stubblefield 1969-5-10 S.N. Riverside Little San Bernardino Mtns, Big Morongo Canyon. 1.7 mi E on jeep road from Indian Ave. 305 Comment
  RSA545216  Chilopsis linearis subsp. arcuata R. F. Thorne 1970-10 41877 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  POM15199  Chimaphila menziesii Mary F. Spencer 1927-6-27 1972 Riverside Tahquitz trail, Idyllwild. 1829 Comment
  UC218130  Chimaphila umbellata P. A. Munz 1922-9-6 6387 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2209 Comment
  SEINET9308063  Chloris truncata Unknown 2001-8-30 Riverside Riverside Comment
  JOTR35047  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3500 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  POM122108  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA392604  Chorizanthe brevicornu var. brevicornu I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  SBBG1392  Chorizanthe brevicornu var. brevicornu D. Myrick 1964-4-30 836 Riverside Palms to Pines Hwy 74, 8 mi W of Palm Desert 1066 Comment
  UCR234290  Chorizanthe coriacea A. C. Sanders, John F. Green 2012-4-6 40014 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR238217  Chorizanthe coriacea Mark A. Elvin 2005-5-24 4320 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UCR51956  Chorizanthe corrugata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2164 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  CAS-BOT-BC191343  Chorizanthe leptotheca Chris E. True; Robert Cox 1989-4-29 10150 Riverside San Jacinto Mtns.Foothills: along Hwy 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles E of Fairview Ave., N of highway and S of San Jacinto River, near mouth of Bee Canyon 610 Comment
  UCR155051  Chorizanthe leptotheca Jason L. Hlebakos 2005-5-30 826 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCD99807  Chorizanthe parryi A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-8 24183 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR132343  Chorizanthe polygonoides var. longispina John F. Green, S. J. Myers 2003-6-25 s.n. Riverside Small hill just west of Leon Road, c. 0.25 mi. south of Borel Road, above Tucalota Creek 427 Comment
  RSA607655  Chorizanthe procumbens R. S. Woglum 1938-5-1 1604 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
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Jun 9 2012
  RSA674745  Chorizanthe procumbens Scott D. White, T. B. Salvato 2001-6-8 8588 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  CAS-BOT-BC246234  Chorizanthe rigida John H. Thomas 1957-3-30 6530 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
  CAS-BOT-BC246240  Chorizanthe rigida Frank W. Peirson 1922-4-11 2863 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs 243 Comment
  SBBG99603  Chorizanthe rigida W. L. Halvorson 1977-3-8 77 87 a Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  RSA180481  Chorizanthe staticoides E. W. Lathrop 1960-5-27 5228 a Riverside 6 miles west of Murrieta. Comment
  UCR139166  Chorizanthe staticoides S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  LA84233  Chorizanthe xanti O. H. Kappler; 1948-4-18 1650 Riverside Whitewater, western Colorado Desert 548 Comment
  UCR42359  Chorizanthe xanti B. G. Pitzer 1986-5-4 0199 Riverside Colorado Desert/San Bernardino Mtns., Whitewater Canyon, at N edge of hatchery to c. 0.25 mi. N; c. 5 mi. north of Interstate Hwy 10 on Whitewater Canyon Road. 732 Comment
  RSA698369  Chorizanthe xanti var. leucotheca Olive Van Meter 1933-5-30 s.n. Riverside Whitewater region. Comment
  CAS-BOT-BC36262  Chrysolepis sempervirens Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mt. 2438 Comment
  RSA170152  Chrysothamnus nauseosus subsp. consimilis L. B. Ziegler 1964-10-15 s.n. Riverside On Valley alluvial, Garner (Hemet) Valley, S part of San Jacinto Mts 1433 Comment
  RSA93230  Chrysothamnus paniculatus F. W. Peirson 1939-11-26 12901 Riverside 29 Palms about 7 miles from Blvd Comment
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Apr 24 2013
  UCR269873  Chylismia arenaria A. C. Sanders, Jim Malusa 2016-3-18 42372 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  CHSC8536  Chylismia brevipes Edward Laidlaw Smith 1958-3-21 379 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  UC873882  Chylismia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6773 Riverside mesa Shafer Wells-Cottonwood Springs 25 Comment
  UC667280  Chylismia cardiophylla subsp. cardiophylla Annie M. Alexander and Louise Kellogg 1941-5-26 2238 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 975 Comment
  UCR244295  Chylismia cardiophylla subsp. cardiophylla Jim Andre 2012-4-16 20878 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
  UC1184367  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11420 Riverside along US Hwy 99 8.6 mi w Thousand Palms turnoff Comment
  RSA759591  Cirsium occidentale R. Weatherby 1950-5-18 1385 Riverside Hagador Canyon. Santa Ana Mtns. 701 Comment
  RSA263657  Cirsium occidentale var. occidentale E. W. Lathrop 1977-4-13 7605 Riverside 4 miles West of Corona between Tin Mine and Santiago Peak, Skyline Drive. Coal canyon at the base of Sierra Peak in the Santa Ana Canyon. Comment
  UC63139  Cirsium occidentale var. occidentale W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1980 Riverside Dripping Springs Temecula River, Dripping Springs Comment
  POM13155  Cirsium scariosum P. A. Munz, I. M. Johnston 1922-5-19 5449 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR25723  Cirsium scariosum John LaSalle 1982-4-29 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta; c. 3 mi. SW of Palomar Rd on Clinton Keith Rd. 549 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
  CAS-BOT-BC438668  Cistanthe ambigua F. O. Ballou 1926-2-27 s.n. Riverside Painted Canon [Canyon] Comment
  CAS-BOT-BC438847  Cistanthe monandra H. S. Yates 1937-3-23 6405 Riverside 2 miles north of Palm Springs 213 Comment
  POM48733  Cistanthe monandra P. A. Munz, I. M. Johnston 1924-7-29 8825 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA12918  Cistanthe monandra C. B. Wolf 1935-4-7 6308 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  RSA653427  Cistanthe monandra Scott D. White 1999-5-24 7394 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SD137707  Clarkia epilobioides Darin L. Banks, Steve Boyd 1995-5-3 194 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Driping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR256755  Clarkia purpurea T. B. Salvato, Matthew Malle 2013-4-15 7544 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  UCR111985  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, T. B. Salvato 2000-5-25 23417 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA0021841  Claytonia parviflora subsp. parviflora A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20634 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA524239  Claytonia parviflora subsp. parviflora Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4035 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC218122  Claytonia parviflora subsp. viridis P. A. Munz 1922-6-30 5910 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  UCR42482  Claytonia parviflora subsp. viridis P. J. Leary 1975-4-19 1100 Riverside Mojave Desert, Joshua Tree National Monument; Pinyon Well Area 1341 Comment
  UCR49233  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SDSU13495  Claytonia perfoliata subsp. perfoliata Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 15 Riverside Santa Margarita Ecological Reserve North End. Comment
  CAS-BOT-BC92824  Clematis pauciflora Annie M. Alexander; Louise Kellogg 1941-5-4 2115 Riverside Joshua Tree National Monument. Near Reservoir. Barker Dam. 1310 Comment
  RSA278958  Cleome isomeris B. A. Prigge, L. Martinez 1978-3-23 2401 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 243 Comment
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May 20 2013
  RSA650744  Cleome isomeris R. J. Silva 1949-2-15 s.n. Riverside Found 15 mi. east of Beaumont. 716 Comment
  CSUSB872  Clytostoma callistegioides Paul E. Peterson, O. F. Clarke 1968-10-2 Riverside University of California (UCR). Lath house behind greenhouse #12 Comment
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May 3 2014
  RSA0117452  Collinsia concolor Duncan S. Bell, Lucilla Reccia 2010-5-5 965 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  UCR227585  Collinsia concolor Duncan S. Bell, Valentin Arvizu 2010-5-24 1100 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3.0 air mi southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1386 Comment
  CAS-BOT-BC215976  Convolvulus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4059 Riverside Vail Lake area, summit of Big Oak Mtn. at E end 792 Comment
  RSA618422  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mountains, Agua Tibia Mountains: Northwestern foothills of Dorland Mountain, at the intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  RSA557358  Conyza bonariensis Julie Greene 1993-6-11 1355 Riverside [Unspecified] 440 Comment
  UCR123601  Conyza canadensis D. E. Bramlet 2000-8-30 3072 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  UC219572  Corallorhiza maculata P. A. Munz 1922-6-28 5865 Riverside Santa Rosa Santa Rosa Mts. (along creek) 2133 Comment
  RSA0018450  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC287882  Coreopsis californica A. C. Sanders; K. Rose 1995-4-5 16357 Riverside San Bernardino Mts/Coachella Valley: S of Mission Creek and E of Highway 62 700 Comment
  SEINET2050217 Image available Corethrogyne filaginifolia Penny Stead 1970-4-15 Riverside Found in the hills above Fawcett Lab, U.C.R. 274 Comment
  UC31266  Corethrogyne filaginifolia H. M. Hall 1901-7-26 2530 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  SEINET8527446  Cornus sericea var. sericea H. M. Hall 1899-1 1369 Riverside San Bernardino Mountains Comment
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May 23 2018
  POM278518  Coryphantha alversonii H. G. Rush 1950-5-6 117 Riverside 2.5 miles from Cottonwood springs on road out to Hwy 60-70. 579 Comment
  SD262269  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 34 Riverside Perris - Aguanga Basin: Menifee, SE corner of Musick Rd. and Murrieta Rd. Vernal pool. 454 Comment
  RSA356741  Crassula aquatica R. F. Thorne 1973-5-23 45523 Riverside Santa Rosa Plateau - Mesa de Colorado. 610 Comment
  RSA575913  Cressa truxillensis Steve Boyd, Darin L. Banks, Bob Boyd 1994-9-29 8373 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCD126208  Cressa truxillensis Rimo Bacigalupi; G. T. Robbins 1954-5-16 4467 Riverside valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formely Ginsberg) Hot Springs. 432 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
  UCR274538  Cressa truxillensis Mitch Provance, Ken Halama 2003-6-15 17050 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR281114  Cressa truxillensis Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517- 26 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  SD232220  Crocanthemum aldersonii Scott D. White, Michael Honer 2003-6-3 9469 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 334 Comment
  POM300565  Crossosoma bigelovii Lyman Benson 1958-4-18 15786 Riverside Morongo Canyon 549 Comment
  UCSB3803  Crossosoma bigelovii Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 mi. N of U.S. 99 and 1 air mile S of Riverside-San Bernardino County line 762 Comment
  JOTR35016  Croton californicus La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3114 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA785952  Croton californicus J. Andre 2011-2-9 15946 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  SFV2072  Croton californicus M. L. Vincent, R. H. Swade 1963-10-19 465 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCR233186A  Croton californicus Jim Andre, Glenn L. Clifton 2011-2-22 17419 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UCR274810  Croton californicus David Fraker, Aaron C. Sedgwick 2012-4-4 070 Riverside Sonoran (Colorado) Desert, between Mecca Hills and Salton Sea, close to the aqueduct 122 Comment
  CDA1924  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Vail lake area, conflence of Kolb Creek with lake. Comment
  UCR85590  Crypsis vaginiflora Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1431 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  UCR243508  Cryptantha Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21088 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  GMDRC5512  Cryptantha angustifolia J. Andre 2012-3-19 21300 Riverside Orocopia Mountains: N. end of range, 0.5 mi. south of Jct of Box Canyon Rd and I-10 freeway, 23 miles east of city of Coachella 470 Comment
  JEPS67471  Cryptantha angustifolia W. I. Follett 1942-5-20 125 Riverside 25.5 mi w Desert Center (near Shaver Summit); Colorado Desert Comment
  JOTR30306  Cryptantha angustifolia La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1739 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  POM15232  Cryptantha angustifolia Mary F. Spencer 1922-3-26 2010 Riverside Mecca -49 Comment
  RSA314619  Cryptantha angustifolia R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55486 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA784773  Cryptantha angustifolia Duncan S. Bell 2012-3-18 3177 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SBBG14709  Cryptantha angustifolia H. and M. Dearing -Mar-1926 Riverside near Salton Sea Comment
  SBBG6233  Cryptantha angustifolia H. and M. Dearing 1942-3-3 4806 Riverside Cathedral City Comment
  UCR116714  Cryptantha angustifolia Helen Kennedy, Sara Mills 2001-3-17 5398 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UCR167452  Cryptantha angustifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR224995  Cryptantha angustifolia Dave Silverman 2010-3-30 7879 Riverside Sonoran (Colorado) Desert, east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 175 Comment
  RSA511314  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 548 Comment
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Jun 15 2012
  RSA795812  Cryptantha barbigera C. P. Cowan 1978-4-23 1173 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  RSA787696  Cryptantha costata Duncan S. Bell 2012-4-5 3308 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 141 Comment
  UCR41531  Cryptantha dumetorum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6010 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  UCR75082  Cryptantha holoptera A. C. Sanders, E. J. Lawlor 1992-4-4 12131 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM12213  Cryptantha intermedia Mary F. Spencer 1921-6-2 1865 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  UC1792809  Cryptantha intermedia A. C. Sanders 2001-4-8 23983 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 347 Comment
  UCR104083  Cryptantha intermedia A. C. Sanders, P. J. MacKay, T. S. Thomas, O. F. Clarke 1997-5-4 20637 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
  UCR110959  Cryptantha intermedia George K. Helmkamp 1998-6-27 4094 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA0124819  Cryptantha maritima Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8751 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA80738  Cryptantha maritima F. W. Peirson 1927-4-12 7172 Riverside Painted Canyon, near Mecca Comment
  UC100916  Cryptantha maritima E. Schellenger 1905-3-10 Riverside Palo Verde Valley Comment
  UC180100  Cryptantha maritima H. M. Hall Apr 1905 5786 a Riverside 10 mi w Coachella; Marshall Canyon 30 Comment
  POM12151  Cryptantha micrantha Mary F. Spencer 1920-3-16 1515 Riverside Mecca -60 Comment
  RSA0089245  Cryptantha micrantha subsp. lepida Steve D. Boyd, Gary D. Wallace 2005-7-30 11639 Riverside Peninsular Ranges; San Jacinto Mountains region: San Jacinto Mountains State Park, Hidden lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek. 2659 Comment
  POM318740  Cryptantha micrantha var. lepida Patricia Wilder 1968-7-5 4319 Riverside Idyllwild. San Jacinto Mountains, Strawberry-Little Tahquitz Creek Drainage Area. 1889 Comment
  RSA543953  Cryptantha micromeres Steve Boyd 1991-5-9 6185 a Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA0094688  Cryptantha microstachys Steve Boyd, D. Bramlet, Timothy S. Ross 1993-5-12 7341 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
  RSA786476  Cryptantha muricata C. P. Cowan 1978-4-24 1249 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  SEINET255219  Cryptantha muricata Mitch Provance 2003-4-5 6616 Riverside San Berardino Valley; Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountian, S of Philadelphia St. and just east of Country Village Rd.. 253 Comment
  UC662529  Cryptantha muricata Philip A. Munz 1937-5-30 15086 Riverside nw slope Santa Rosa Mts. 2133 Comment
  UCR120624  Cryptantha muricata Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2304 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR156081  Cryptantha muricata T. B. Salvato, Kent Beaman 2005-5-16 812 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
  UCR272265  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 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
  CLARK-A1045-103  Cryptantha pterocarya George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  SEINET3084245 Image available Cryptantha pterocarya A. C. Sanders, K. Rose & D. Woodard 1995-3-15 16134 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 370 Comment
  JOTR29374  Cryptantha racemosa La Doux, Tasha, Mike Bell 2006-5-10 1451 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA499795  Cryptantha racemosa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA0121054  Cryptantha utahensis Duncan S. Bell, LeRoy Gross 2016-3-29 9116 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
  RSA0123289  Cryptantha utahensis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9002 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  UCR241232  Cucurbita foetidissima Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 690 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  RSA676272  Cucurbita palmata Scott D. White 2001-5-3 8446 Riverside Shavers Valley. Ca. 0.5 mi north of I-10 Freeway at Cactus City Rest Area. 518 Comment
  SBBG121536  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd; Lakeview Mtns 550 Comment
  UCR177703  Cuscuta brachycalyx Michael Wall 1996-7-6 192 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  POM3644  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 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
  UCR156083  Cuscuta californica T. B. Salvato, Kent Beaman 2005-5-16 814 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
  POM296656  Cuscuta californica var. papillosa L. S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash. 183 Comment
  UCR110410  Cuscuta pentagona A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23171 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA617825  Cuscuta salina R. E. Riefner 1998-7-9 98 -283 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  RSA0073880  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio. 760 Comment
  SEINET4604367 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
  LA204501  Cylindropuntia californica var. parkeri W. E. Pequegnat; 1939-8-18 51 Riverside Santa Ana Mountains Comment
  SEINET8900302  Cylindropuntia californica var. parkeri Marc Baker 1986-8-31 7047 Riverside Aguanga: just north of the San Diego County line. Comment
  SEINET5624455 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17534 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  RSA0083636  Cylindropuntia ganderi Lyman Benson 1955-12-6 15627 Riverside San Jacinto Mountain Range. Pines-to-Palms Highway. 1220 Comment
  SEINET2449498  Cylindropuntia ramosissima Sears 1978-3-16 811 Riverside 10 mi N of Blythe along road to Midland. Forrhills of the Big Maria Mts.; 0 229 Comment
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Nov 18 2015
  RSA278300  Cymopterus panamintensis var. acutifolius John F. Emmel 1976-3-17 541 Riverside Canyon 0.8 air mile north of peak 4353, NE slope of Granite Mountains WSW of Rice, southeastern Mojave Desert. 732 Comment
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Nov 24 2013
  UCR233936  Cynanchum utahense Duncan S. Bell 2011-10-22 3005 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
  RSA613629  Cynodon dactylon D. L. Banks, Victor Steinmann 1997-3-13 1488 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR277722  Cyperus difformis Mitch Provance 2012-11-3 1112- 09 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  CLARK-A1528-2  Cyperus eragrostis Fred B. Essig 1966-9-12 Riverside Riverside Comment
  UCR201874  Cyperus eragrostis Justin M. Wood 2008-9-22 155 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR77750  Cyperus odoratus Steve Boyd 1991-7-13 6409 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  UC212810  Cyperus rotundus F. M. Reed 1918-1 Riverside Riverside Comment
  UCD141139  Cyperus rotundus Malcolm A. Nobs; S. Galen Smith 1948-9-3 503 Riverside Thermal. Imperial Valley. Comment
  SD227680  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Millard Canyon 840 Comment
  RSA703453  Dactyloctenium aegyptium R. E. Riefner Jr. 2004-7-30 4 -281 Riverside City of Norco, Sixth Street at Sierra Avenue. USGS 7.5' Quad: Corona North. 200 Comment
  POM8993  Dalea mollis Mary F. Spencer 1920-3-12 1491 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  RSA784943  Dalea mollis Duncan S. Bell 2012-2-12 3121 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG68019  Dalea mollis unknown 1893-1 Riverside Agua Caliente [Palm Springs] Comment
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Jul 16 2010
  UCR254628  Dalea mollis Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24392 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR5569  Dalea mollissima O. F. Clarke 1966-10-5 661005- 12 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  CSUSB2045  Dalea spinosa Daryl Faustini, Ned Curtis 1973-7-11 248 Riverside Joshua Tree National Monument 182 Comment
  CAS-BOT-BC283042  Dasyochloa pulchella C. L. Hitchcock 1940-4-1 5907 Riverside 1 mi. below Cottonwood Spring, Joshua Tree Nat. Monument Comment
  CAS-BOT-BC283036  Dasyochloa pulchella Carl B. Wolf 1932-4-27 3034 Riverside Mecca - Blythe Road 3/4 mi. west of Utopia, Colorado Desert 152 Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UCR87851  Datisca glomerata Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UCR23746  Datura discolor John C. Roos 1965-11-6 s.n. Riverside Sonoran (Colorado) Desert, 26 mi west of Blythe 115 Comment
  POM319103  Datura stramonium Patricia Wilder 1970-10-30 4854 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  UCR235083  Datura wrightii A. C. Sanders, John F. Green 2012-6-1 40230 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  UCR94958  Datura wrightii Scott D. White 1996-9-22 4528 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  RSA500222  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3520 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SDSU2268  Daucus pusillus H. Wedberg 1962-5-23 934 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  CAS-BOT-BC293827  Deinandra fasciculata John Thomas Howell 1930-5-10 4789 Riverside 2 miles south of Perris Comment
  JEPS12592  Deinandra fasciculata W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1576 Riverside Temescal Wash Comment
  UC1929933  Deinandra fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  SEINET7838966 Image available Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside Vicinity of Riverside 366 Comment
  HSC87025  Deinandra kelloggii L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  RSA706234  Deinandra mohavensis Michael Wall, Cassy, Dick Whiting 2005-8-6 402 Riverside SE Hemet, Santa Rosa Hills, Simpson Park. Comment
  UC63231  Deinandra paniculata Jepson 1226 Riverside Box Springs 457 Comment
  JEPS23348  Delphinium cardinale W. L. Jepson May 17 1901-Jun 1 1901 1572 Riverside Temescal Wash Comment
  JEPS5522  Delphinium hesperium subsp. cuyamacae W. L. Jepson 1901-6-1 1473 Riverside Cahuilla Valley Comment
  RSA0018985  Delphinium parishii subsp. parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 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
  UC854174  Delphinium parishii subsp. parishii Alice Eastwood 1913-4-30 2999 Riverside Palm Springs Comment
  CAS-BOT-BC7860  Delphinium parishii subsp. subglobosum K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway, 2 mi. above valley Comment
  LA207619  Delphinium parishii subsp. subglobosum Carl Epling; Mrs. Epling 1937-6-7 sn Riverside 1 mi. above Pine Flat Comment
  RSA525454  Delphinium parryi D. Bramlet 1990-4-29 4499 Riverside Lake Skinner County Park, SE base of Bachelor Mtn. Comment
  SDSU10045  Delphinium parryi H. Wedberg 1962-5-23 942 Riverside 4.8 miles from hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  SEINET7072850  Delphinium parryi A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR281230  Delphinium parryi Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 55 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  CAS-BOT-BC121427  Delphinium parryi subsp. parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet Comment
  RSA708180  Delphinium parryi subsp. parryi Scott D. White, Angelia Carey 2004-5-7 10324 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UCR268279  Delphinium parryi subsp. parryi Jim Andre 2012-6-15 30504 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  RSA784544  Delphinium patens subsp. hepaticoideum J. D. Olmsted 1959-5-13 627 Riverside Drainage area to Santa Ana River: Beacon Pines Ranch on Spring Trail, 100 yd below Main Divide T.T. 823 Comment
  SBBG104101  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside western edge of Hemet, along S side of Devonshire Ave, SW of Tres Cerritos, N of St Hwy 74 460 Comment
  HSC6715  Descurainia pinnata C. L. Hitchcock, C. V. Muhlick 1964-3-22 23247 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  RSA162710  Descurainia pinnata John Olmsted 1958-3-29 88 Riverside 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring roads. On the former now become Pinto Basin Road, Joshua Tree National Monument. 991 Comment
  RSA0124040  Descurainia pinnata subsp. intermedia Duncan S. Bell, LeRoy Gross 2016-3-10 8886 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
  CAS-BOT-BC402293  Dicentra chrysantha Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Station, near Temecula 365 Comment
  CAS-BOT-BC500849  Dichelostemma capitatum F. O. Ballou 1926-2-28 s.n. Riverside Murray Canyon Comment
  RSA263742  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1968-5-17 6890 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  UC1080458  Dicoria canescens P. C. Everett and E. K. Balls 1958-4-29 23024 Riverside 5.3 mi ne Desert Center (along road to Rice and Vidal Junction) 243 Comment
  CAS-BOT-BC292247  Dieteria asteroides var. asteroides A. J. McClatchie 1896-3-31 1132 Riverside Along road, San Jacinto Comment
  CAS-BOT-BC291031  Dimorphotheca sinuata Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 365 Comment
  OBI8386  Diplacus bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12063 Riverside Along Box Canyon Rd ca 20 mi ENE of Mecca in orocopia Mts 274 Comment
  CAS-BOT-BC150925  Diplacus bigelovii var. bigelovii Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  SEINET197422 Image available Diplacus bigelovii var. bigelovii Helen K. Sharsmith 1952-1 4061 Riverside Lost Palms Canyon, Eagle Mountains, ca 2 mi from Shaver Summit 671 Comment
  RSA0016051  Diplacus brevipes P. A. Munz, I. M. Johnston 1922-5-20 5498 Riverside 2 mi. below Kenworthy, Thomas Valley. 1372 Comment
  UCD64565  Distichlis spicata F. M. Reed 1914-8-21 Riverside Elsinore Lake, NE beach. Comment
  UCR110914  Distichlis spicata A. C. Sanders, K. C. Rose 1999-6-18 22822 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR240202  Distichlis spicata C. J. Minar 1994-5-7 07 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  RSA70431  Ditaxis californica F. W. Peirson 1921-3-23 2043 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  UCR100110  Ditaxis californica B. G. Pitzer 1997-10-19 3355 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
  RSA681993  Ditaxis lanceolata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10488 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
  RSA517923  Ditaxis neomexicana Steve Boyd 1986-3-5 1349 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  POM171288  Ditaxis serrata var. californica I. M. Johnston 1930-6-15 3773 Riverside North of Mecca-Blythe road in canyons at SE end of Eagle Mountains Comment
  CAS-BOT-BC43590  Dithyrea californica S. B. Parish; W. F. Parish 1892-4-1 s.n. Riverside Borders of the Colorado Desert. Whitewater. Comment
  CAS-BOT-BC43631  Dithyrea californica Geo. B. Grant 1906-4-8 with 6769 Riverside Palm Springs. Comment
  RSA21755  Dithyrea californica C. B. Wolf 1937-4-6 8427 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA530736  Dithyrea californica Ora M. Clark 1929-2-22 1575 Riverside E. of Whitewater, Colorado Desert. Comment
  SD224894  Dithyrea californica A. C. Sanders, K. Rose & D. Woodard 1995-3-15 16142 Riverside Coachella Valley: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 328 Comment
  UCR241546  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-27 40551 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  SEINET7073337  Dodecatheon clevelandii A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR207314  Dodecatheon clevelandii O. F. Clarke 1997-3-8 s.n. Riverside Peninsular Range, Box Springs Mtns., east edge of Riverside, along Box Springs Mtn. Rd. 668 Comment
  JEPS5040  Downingia cuspidata P. A. Munz 1922-4-29 5093 Riverside 0.5 mi s Lake Elsinore; ; S of Lake Elinore 381 Comment
  POM12950  Downingia cuspidata I. M. Johnston 1922-5-19 5380 Riverside Menifee Valley. 412 Comment
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Oct 6 2009
  POM14285  Downingia cuspidata P. A. Munz 1922-5-1 s.n. Riverside Perris. Comment
  UCR12626  Dryopteris arguta I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  POM12745  Dudleya abramsii P. A. Munz 1922-6-23 5788 Riverside 2 miles NW of Kenworthy 1372 Comment
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May 28 2011
  UC1931137  Dudleya abramsii subsp. abramsii Scott D. White, Justin Wood 2008-6-17 12192 Riverside San Jacinto Mountains: Morris Ranch Road - open area west of Goff Flat. (Palm View Peak). Comment
  UC2059984  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi W of Highway I-15 . Comment
  UCR241631  Dudleya lanceolata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 378 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, below mouth of Lion Canyon along the road toward the canyon from Deep Creek Rd. 569 Comment
  HSC47382  Dudleya saxosa subsp. aloides Richard Spjut, C. E. Edson 1978-5-5 5017 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. 915 Comment
  JEPS49922  Dudleya saxosa subsp. aloides W. L. Jepson 1927-4-12 11668 Riverside Whitewater Bridge Colorado Desert, San Gorgonio Pass Comment
  POM97998  Dyssodia porophylloides E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  CAS-BOT-BC334247  Echeveria A. C. Sanders 2010-5-23 38426 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Comment
  RSA0018887  Echinochloa colona Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6022 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  RSA737219  Echinochloa crus-galli Justin M. Wood 2008-9-30 177 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR113939  Echinochloa crus-galli Mitch Provance, A. C. Sanders 2000-7-4 2107 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA249863  Egeria densa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38148 Riverside San Bernardino National Forest. Lake Fulmor 1677 Comment
  RSA737428  Eichhornia crassipes Justin M. Wood 2008-8-31 128 Riverside Romoland, Intersection of Ethanac Rd and Antelope Rd. 441 Comment
  CAS-BOT-BC112918  Eleocharis macrostachya Robert F. Thorne; E. Lathrop; S. J. Carlquist 1968-4-18 34756 Riverside Shallow water at W end of vernal marsh on Mesa de Colorado, Rancho California. 670 Comment
  SD204751  Eleocharis macrostachya R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55212 Riverside Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  UC1832  Eleocharis macrostachya A. J. McClatchie Apr 1892 23 Riverside near Elsinore Comment
  RSA162801  Eleocharis palustris J. D. Olmsted 1959-9-23 1020 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  UCR195142  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35940 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR207218  Elymus 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
  UCR2352  Elymus condensatus F. M. Reed 1903-12-13 411 Riverside South Coast; San Bernardino Valley, Riverside, near natural bridge in Arroyo Chico [Terraces Ranch, 547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  CAS-BOT-BC227736  Elymus elymoides Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38108 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  UCR35300  Elymus elymoides L. B. Ziegler 1968-5-21 295 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  UC38190  Elymus glaucus H. S. Yates June 1901 2207 Riverside San Jacinto Mountains; s side 1645 Comment
  UCR98898  Elymus glaucus subsp. glaucus Scott D. White 1996-8-16 4483 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  UCR22033  Emmenanthe penduliflora Steve Boyd 1980-5-11 237 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
  UCR35121  Emmenanthe penduliflora L. B. Ziegler 1969-7-3 383 Riverside San Jacinto Mtns, Hemet Valley. E side of valley. Above Kenworthy Ranger Station. 1585 Comment
  VVC2901  Emmenanthe penduliflora var. penduliflora Tim Thomas, P. J. MacKay 2010-4-12 5032 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  CAS-BOT-BC131166  Encelia actoni Jenkins; Street 1917-5-30 s.n. Riverside San Jacinto Comment
  UC111183  Encelia californica F. M. Reed 1907-2-2 1211 Riverside near Prenda Station; Lincoln Heights Comment
  SEINET11859827  Encelia californica H. M. Hall 1902-1 2922 Riverside vicinity of Riverside 366 Comment
  CAS-BOT-BC131335  Encelia farinosa Fremont Ballou 1926-2-25 s.n. Riverside Andreas Canyon Comment
  CAS-BOT-BC131339  Encelia farinosa Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  JOTR34377  Encelia farinosa Andre, Jim 2012-4-16 20897 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA781747  Encelia farinosa Duncan S. Bell 2011-12-30 3045 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
  RSA795928  Encelia farinosa Duncan S. Bell 2009-4-19 281 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UC1118072  Encelia farinosa A. Lewis 1933-1-28 143 Riverside San Jacinto Quadrangle, Reservoire Butte 579 Comment
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Oct 30 2011
  UC495309  Encelia farinosa Philip A. Munz 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  UCR101568  Encelia farinosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA534620  Ephedra aspera Frederick W. Oettinger 1969-4-9 866 Riverside San Bernardino Mts., Whitewater Canyon: c. 10 mi. NNW of Palm Springs. Comment
  RSA107852  Ephedra californica L. S. Rose 1955-3-14 55028 Riverside Whitewater Wash, 3 mi se. of Palm Springs Station. 305 Comment
  RSA775801  Ephedra trifurca Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 987 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA575911  Epilobium brachycarpum Steve Boyd, D. L. Banks 1994-9-29 8371 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR96253  Epilobium brachycarpum Scott D. White 1996-8-1 4415 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR54427  Epilobium canum subsp. latifolium A. C. Sanders, E. J. Lawlor 1988-10-22 8734 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  SD232718  Epilobium ciliatum Scott D. White 1996-8-15 4464 Riverside San Jacinto Mountains: Idyllwild area: Alvin Meadows and unnamed canyon upstream. Site is at upper margin of area burned in July 1996. 1525 Comment
  SBBG60199  Epilobium ciliatum subsp. ciliatum M. Lewis 1947-8-26 3 Riverside Dark Cyn 1981 Comment
  POM161203  Epilobium ciliatum subsp. glandulosum Ralph Hoffmann 1929-9-6 s.n. Riverside Granite ridges, San Jacinto Mountains. 2439 Comment
  UC64473  Epilobium densiflorum H. M. Hall June 1901 2292 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  UCR193753  Epilobium densiflorum A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35650 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  MACF019738  Equisetum hyemale subsp. affine Julie Sanders 1967-11-5 88 Riverside Strawberry Creek across from USC Camp Isomata in Idyllwild. San Jacinto Mtns. 1828 Comment
  RSA684643  Equisetum laevigatum Lester H. Cushman 1932-5-15 15144 Riverside Near Pedley Riverside. 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
  RSA584898  Eremalche exilis C. Reiser 1991-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park, northwestern corner of Park south of harford Spring and north od trailer park. 579 Comment
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Mar 4 2013
  SD225016  Eremalche exilis A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16022 Riverside Coachella Valley: Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111) -7 Comment
  POM261347  Eremalche rotundifolia P. A. Munz 1940-3-23 15668 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  UCSB10035  Eremalche rotundifolia Haller, John 1958-5-22 Riverside Immediately S. of Hy. 60-70, 5.8 miles E. of Desert Center Comment
  UCSB38669  Eremothera boothii Cowan, Clark 1978-4-24 Riverside 2.1 mi (3.3 km) off Ave 66 on a dirt road, 1.3 mi (2 km) on Ave 66 from Hwy 86 Comment
  RSA0025895  Eremothera refracta Jim Andre 2013-3-4 23863 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  UC127707  Eremothera refracta H. M. Hall 1905-4-21 5840 Riverside near Salton; Colorado Desert Comment
  UCSB4490  Eremothera refracta Broder, Richard 1958-3-1 Riverside 2 miles south of south entrance to Joshua Tree National Monument, US 60-70 Comment
  RSA0105501  Eriastrum densifolium subsp. austromontanum Gary D. Wallace, D. H. Wilken 1966-7-3 641 Riverside San Jacinto Mtns up Thomas Mtn. Rd. west of Palm Desert. Comment
  HSC95245  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside Thomas Mtn. Rd., 1.5 km W 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
  UCR59520  Eriastrum densifolium subsp. densifolium Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  JOTR16796  Eriastrum densifolium subsp. elongatum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  RSA0120050  Eriastrum eremicum subsp. eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11280 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
  UC901712  Eriastrum eremicum subsp. eremicum Alice Eastwood 1913-4-30 2984 Riverside Palm Springs Comment
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Aug 27 2011
  CAS-BOT-BC514458  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11010 Riverside Palm Springs Comment
  UCR263473  Eriastrum sapphirinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35588 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  RSA0121566  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC2062557  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5113 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08. Comment
  RSA0121557  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17283 Riverside 6.7 miles W along Highway 74 from junction with road from Idyllwild. 915 Comment
  CAS-BOT-BC286794  Ericameria cuneata var. spathulata J. Ewan 1931-12-24 5574 Riverside Deadman Point, Granite Mts., Mohave Desert 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
  RSA747513  Ericameria cuneata var. spathulata Justin M. Wood 2009-3-10 353 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  CAS-BOT-BC287638  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 287 Riverside Up canyon from turnout parking area which is 1 mile up Sta. Rosa Mt road from Highway 74, Santa Rosa Mts 1371 Comment
  SD84904  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-30 491 Riverside West of Sugarloaf Mountain along Carrizo Road. 1220 Comment
  RSA602647  Ericameria nauseosa var. bernardina Scott D. White 1996-8-16 4488 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  CAS-BOT-BC299526  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Alberhill Mountain, lower south-facing slopes southeast of the clay mining area, Elsinore Basin Region 449 Comment
  CAS-BOT-BC299531  Ericameria palmeri var. pachylepis E. A. Zumbro No date on label. 32 Riverside Blue Mt. Comment
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  RSA614268  Ericameria pinifolia A. C. Sanders 1997-11-14 21604 Riverside San Bernardino Mtns: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
  SEINET10915531  Erigeron David B. Dunn 1947-9-21 Dunn 3507 Riverside Stream (Springs) bed, wet sand. Pushawalla Canyon, just below the Palms by quad 7, Indio Hills. Comment
  RSA0125177  Erigeron canadensis Duncan S. Bell 2016-10-27 10210 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA68333  Erigeron divergens G. R. Campbell 1951-5-30 16151 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UC218166  Erigeron divergens P. A. Munz 1922-6-24 5797 Riverside grassy banks along Pipe Creek; San Jacinto Mts., Hemet Valley, Pipe Creek 1584 Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR251864  Erigeron foliosus M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  RSA642600  Erigeron foliosus var. foliosus D. L. Banks, Mike Kinney 1998-6-8 2210 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. 475 Comment
  UCR225682  Erigeron foliosus var. foliosus Steve Boyd, Valerie Soza 2004-6-22 11548 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  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
  RSA450469  Eriodictyon crassifolium J. C. Roos 1965-6-13 s.n. Riverside Palms to Pines Hwy., San Jacinto Mtns. Comment
  UC495189  Eriodictyon crassifolium Philip A. Munz 1932-4-24 12390 Riverside Snow Creek Canyon; San Jacinto Mts., Snow Creek Canyon 457 Comment
  UCR121135  Eriodictyon crassifolium June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  RSA0038305  Eriodictyon crassifolium Louis B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch. Hemet Valley, San Jacinto Mts. Comment
  UCR87934  Eriodictyon crassifolium var. crassifolium A. C. Sanders, N. Ferguson 1994-6-2 14623 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  CAS-BOT-BC188971  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CLARK-A1528-542  Eriodictyon trichocalyx Tony Beck 1968-5-4 680504-10 Riverside San Jacinto Mountains 1219 Comment
  RSA342547  Eriodictyon trichocalyx Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54099 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  JOTR32456  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2603 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  CAS-BOT-BC248639  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  UCD99872  Eriogonum davidsonii G. L. Webster; R. Hildreth 1966-12-9 7452 Riverside Joshua Tree National Mon., Yucca-Juniperus parkland at Split Rock. Comment
  UCR77749  Eriogonum davidsonii Steve Boyd 1991-9-8 6432 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA784941  Eriogonum deflexum Duncan S. Bell 2012-2-12 3119 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR50891  Eriogonum deflexum A. C. Sanders 1988-5-11 7807 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  JEPS57030  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-12-18 1737 Riverside Clemens Well Orocopia Mts., Clemens Well 152 Comment
  RSA27862  Eriogonum deflexum var. deflexum C. L. Hitchcock 1940-3-30 5875 Riverside Cottonwood Spring. Comment
  UCR192719  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, Mike Misenhelter 2008-6-10 35452 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  UCR235218  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, John F. Green 2012-6-1 40241 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  RSA393349  Eriogonum fasciculatum var. polifolium Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA650862  Eriogonum fasciculatum var. polifolium C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 50 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
  CAS-BOT-BC253485  Eriogonum gracile Geo. B. Grant No date on label. s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC253497  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6614 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Statoin, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  RSA393250  Eriogonum gracile var. gracile Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  UCR113729  Eriogonum gracile var. gracile Mitch Provance 2000-7-30 2169 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  POM153383  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11250 Riverside Temescal Canyon. Comment
  UCR278874  Eriogonum gracile var. incultum Mitch Provance 2012-7-14 712- 22 Riverside San Gorgonio Pass, Banning, remnant of Montgomery Creek, N side of Westward Ave, between Lovell St. and April Ln. 716 Comment
  JOTR29505  Eriogonum heermannii var. argense Bell, Mike, Colleen Ely 2006-9-6 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Echo Cove parking area 1286 Comment
  OBI10947  Eriogonum inflatum Robert F. Hoover 1966-10-15 10168 Riverside Dead Indian Cyn Comment
  UC64567  Eriogonum inflatum var. deflatum H. M. Hall May 17 1901-Jun 1 1901 1834 Riverside e base of San Jacinto Mt. San Jacinto Mt. 609 Comment
  RSA783813  Eriogonum molestum var. davidsonii John Olmsted 1950-6-15 182 Riverside Hurkey Cr. into Hemet Lake and San Jacinto Rd. drainage area: Cedar Crest Rd. 1 mi E of Hurkey Cr. crossing (turn E 4 mi S of Mt. Center) 1372 Comment
  JOTR16816  Eriogonum nidularium Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA VICINITY RANGER STATION 1310 Comment
  RSA752815  Eriogonum nudum subsp. pauciflorum A. C. Sanders, Tim Thomas 2008-8-1 35934 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR125895  Eriogonum nudum var. pauciflorum A. C. Sanders, Mark Elvin 2001-8-17 24596 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  JOTR30689  Eriogonum pusillum La Doux, Tasha, Jim Andre 2008-9-13 270 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  POM294037  Eriogonum pusillum Lyman Benson 1945-3-29 11622 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  UC1252147  Eriogonum pusillum Robert Langston 1964-4-27 Riverside 12 mi sw Palm Desert (Pinyon Crest); Pinyon Crest Comment
  UC6442  Eriogonum saxatile H. M. Hall 1901-7-1 2324 Riverside near Tauquitz; San Jacinto Mountains 2590 Comment
  CAS-BOT-BC263543  Eriogonum thomasii Philip A. Munz 1949-4-11 13002 Riverside Eastern end of Joshua Tree National Monument, Mohave Desert 944 Comment
  RSA395867  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  SD103935  Eriogonum thomasii J. L. S. Simpson 1965-5-14 Riverside Toward the New York Mountains Comment
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Mar 23 2014
  CAS-BOT-BC262874  Eriogonum thurberi Annie M. Alexander; Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  UCR207565  Eriogonum thurberi O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  CAS-BOT-BC264920  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Along Gavilan Creek drainage system, Gavilan Plateau, Gavilan Hills Comment
  RSA423141  Eriogonum wrightii var. nodosum N. R. Zabriskie, Walter Zabriskie 1972-3-28 478 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  UCR109455  Eriogonum wrightii var. nodosum A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19658 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UCR137173  Eriogonum wrightii var. nodosum Larry E. DeBuhr 1977-5-6 2587 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi N from I-10 671 Comment
  CAS-BOT-BC297351  Eriophyllum confertiflorum P. C. Everett 1935-6-18 7185 Riverside Santa Ana Mts, main divide motorway to Santiago Peak, 1 mile from Ortega Highway 731 Comment
  CLARK-A1528-208  Eriophyllum confertiflorum C. M. Flanagan 1973-5-31 OO 637 Riverside Morongo Indian Reservation 914 Comment
  RSA33498  Eriophyllum confertiflorum Norman C. Cooper 1944-5-7 1184 Riverside Banning 701 Comment
  SEINET7073391  Eriophyllum confertiflorum 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
  CAS-BOT-BC301796  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  CAS-BOT-BC296929  Eriophyllum wallacei Peter H. Raven 1958-5-18 12967 Riverside 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains Comment
  POM358164  Eriophyllum wallacei Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR100039  Eriophyllum wallacei Scott D. White 1994-4-23 2048 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  CHSC79751  Erodium cicutarium D. Atwood; L. Stritch 1993-4-2 17913 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands. 670 Comment
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May 15 2015
  RSA741201  Erodium cicutarium Scott D. White, Justin M. Wood 2008-5-15 11969 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SBBG99349  Erodium moschatum W. L. Halvorson 1977-3-13 77 -176 Riverside near Temecula Comment
  UCR174066  Erodium moschatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32619 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  RSA396463  Erysimum capitatum W. Wisura 1987-5-21 4160 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  UC10523  Erysimum capitatum Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA0034958  Erysimum capitatum Norman Lederer 1950-4-30 s.n. Riverside Palms to Pines Hgw. Comment
  POM159828  Erysimum capitatum var. capitatum E. C. Jaeger 1926-3-27 s.n. Riverside Old Santa Rosa, Colorado Desert. [possibly deserted Santa Rosa Indian Village, Santa Rosa Mtns. -SW] Comment
  RSA483603  Erysimum capitatum var. capitatum D. Charlton 1988-5-21 1961 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  RSA0015879  Erythranthe moschata N. C. Cooper 1949-6-29 4344 Riverside Pine Cove, San Jacinto Mts. 1829 Comment
  SD137600  Erythranthe palmeri Darin L. Banks, Steve Boyd 1995-5-9 373 Riverside Cleveland National Forest, Agua Tibia Wiolderness Area, N face of Agua Tibia Mountain, theDorland Mountain area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 680 Comment
  RSA0014877  Erythranthe primuloides P. A. Munz 1922-7-6 5983 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  RSA736243  Eschscholzia californica Scott D. White, Jonathan Campbell 2008-4-18 11895 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR115942  Eschscholzia californica Mitch Provance 1998-6-11 675 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR777  Eschscholzia californica Joe Buriel 1966-3-12 s.n. Riverside Off Van Buren Avenue, 1 mi. east of Mockingbird Canyon Road turnoff 457 Comment
  CHSC8444  Eschscholzia minutiflora Edward Laidlaw Smith 1958-3-21 370 Riverside 6 mi. s. Rice, near Priest's Well. Little Santa Maria Mt. Range. Colorado River drainage area. 365 Comment
  UCD94157  Eschscholzia minutiflora Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 262 Riverside California. Riverside County: Joshua Tree National Park. 538 Comment
  CAS-BOT-BC419621  Eschscholzia parishii Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  CAS-BOT-BC419636  Eschscholzia parishii Ira L. Wiggins 1937-3-9 8749 Riverside 1 mi. below Chuckawalla [Chuckwalla] Spring, Chuckawalla [Chuckwalla] Mts. 528 Comment
  UC1093129  Eschscholzia parishii Richard Snow 1952-4-14 11 -6 Riverside by road to Morongo Valley 7.8 mi from junction with Highway 99/60/70 Comment
  UCR20764  Eschscholzia parishii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1328 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
  UCR27651  Eschscholzia parishii John C. Roos 1947-2-15 3262 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, Eagle Mtns Comment
  UCSB41507  Eschscholzia parishii Duke, Craig 1979-3-4 Riverside About 4 meters from roadway in Box Canyon Wash; along California 195; 12.5 miles east Valerie Jeans Date Shop 65 Comment
  UC1608077  Eucalyptus tereticornis D. Goodward April 1987 27 Riverside s. of Alessandro Blvd. near Nason St., Eucalyptus irrigation plot, Tree R1T9 U.C. Riverside Moreno Valley Field Station; Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  UCR214582  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37848 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  OBI29871  Eucrypta chrysanthemifolia var. chrysanthemifolia Melissa Luckow, Rhonda Riggins 1982-4-15 830 Riverside hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  UC1287119  Eucrypta chrysanthemifolia var. chrysanthemifolia C. L. Hitchcock 1966-3-16 24177 Riverside 0.25 mi w Aguanga Comment
  RSA480086  Eucrypta micrantha Steve Boyd, S. Meury, L. Arnseth, Richard Noyes, D. Nordin, Tim S. Ross 1988-3-10 2175 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA703488  Eucrypta micrantha LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1427 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG35142  Eulobus californicus T. L. Secrest 1948-4-10 Riverside near Hemet Comment
  CLARK-A1528-2491  Euonymus occidentalis subsp. parishii John C. Roos 1943-8-8 269 Riverside San Jacinto Mountains 1828 Comment
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Mar 22 2014
  CAS-BOT-BC202784  Euonymus occidentalis var. parishii H. M. Hall 1901-6-1 2299 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  SD181559  Euphorbia micromera Louis C. Wheeler 1965-6-27 8690 Riverside Corona; Overboltzer's Grove. Comment
  UCR128937  Euphorbia micromera Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  POM96853  Euphorbia misera M. French Gilman 1926-5-9 A- 14 Riverside Whitewater Grade Comment
  UCR99440  Euphorbia ocellata L. C. Wheeler 1952-10-29 7010 a Riverside Riverside, Citrus Experimental Station Comment
  SDSU17677  Euphorbia polycarpa Jerry Jenkins 2001-4-3 2001 -039 Riverside Santa Margarita Ecological Reserve. Road to mine, UTM zone 6, 482900E, 3699600N. Comment
  UCD142704  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7463 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  OBI39243  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, a weed in a garden at 422 Campus View Dr Comment
  RSA675054  Euphorbia setiloba Scott D. White, Bill La Haye 2001-4-28 8434 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  SD181569  Euphorbia setiloba Scott D. White 1999-4-20 7272 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95, ca. 7.0 miles north of Interstate 10. 89 Comment
  UCR72160  Fagonia laevis Theo Glenn 1991-5-7 91- 89 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 365 Comment
  RSA114349  Fagonia pachyacantha Percy C. Everett, E. K. Balls 1956-5-2 21556 Riverside East base of Eagle Mts., 4 miles north of turn-off of Hwy. 60/70, west of Desert Center 305 Comment
  UCR269871  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2016-3-18 42363 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR99208  Fatoua villosa Steve Morgan 1990-11-30 s.n. Riverside Riverside, UCR Botanical Garden 366 Comment
  RSA591813  Festuca elmeri E. W. Lathrop 1966-5-26 6337 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR228926  Festuca microstachys A. C. Sanders 2011-4-6 39023 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between freeway and SCE substation, SE of Glen Ivy Hot Springs 329 Comment
  LA7820  Festuca octoflora A. M. Johnson; 1932-5-27 3920 Riverside 2 mi below Palm Springs Comment
  UCR137492  Festuca octoflora D. L. Banks, V. W. Steinmann 1997-3-13 1524 A 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
  UCR279391  Festuca octoflora A. C. Sanders, Jim Malusa 2017-3-24 42987 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  RSA336045  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52030 Riverside Chino Canyon Comment
  RSA341993  Filago californica R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54029 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UCR116609  Filago depressa A. C. Sanders 2001-4-8 23976 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  RSA593702  Filago gallica Steve Boyd, David E. Bramlet 1996-4-19 8624 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCD122013  Forestiera pubescens A. C. Sanders; Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 548 Comment
  CAS-BOT-BC384199  Forestiera pubescens subsp. parvifolia E. K. Balls 1955-7-19 20974 Riverside Hwy. 74, 17 mi. se. of Mountain Center on road to Palm Springs 1371 Comment
  SBBG54536  Fouquieria splendens S. Michael 1967-6-4 36 Riverside California Route 74, [ca.] 10 mi above Palm Desert 457 Comment
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Jun 16 2013
  UCSB4144  Fouquieria splendens Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 195 and Hwy. 60-70 at N edge of Orocopia Mts. Comment
  RSA0018946  Fragaria vesca Philip A. Munz 1922-6-27 5855 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  SD212712  Frangula californica T. B. Salvato 2004-5-27 597 Riverside Head of Banning (San Gorgonio River) Canyon .Bernardino County line, 0.5 mile Southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA391416  Frankenia grandifolia S. B. Parish 1897-06 2589 Riverside Elsinore Lake Comment
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Nov 24 2011
  UCR3713  Frasera parryi Frank C. Vasek 1964-7-25 640725- 23 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  JEPS42943  Fraxinus velutina Marjorie D. Clary 1932-7-4 938 Riverside 10 mi se Kenworthy; Santa Rosa MTs. Comment
  SEINET273042  Fritillaria biflora A. C. Sanders 1997-4-3 20166 Riverside Lake Skinner area; N edge of large clay patch adjacent to the Skinner entrance rd. ca 1-2 km NE of Borel. UTM 10km cel 473 Comment
  SD161015  Funastrum heterophyllum Virginia S. Moran 2003-5-28 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Wilson Valley Mitigation Bank. Comment
  RSA339250  Funastrum hirtellum R. F. Thorne, Gertrud Dahlgren 1979-8-23 54607 Riverside Pinto Basin RoadL Cholla Garden 1098 Comment
  SEINET4560610  Funastrum hirtellum Duncan S. Bell 2009-1 298 Riverside Arica Mountais: east side of range, approximately 1 air mile northwest of Priests Well. 342 Comment
  UCR244894  Funastrum hirtellum Jim Andre 2012-3-19 21374 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  SEINET10936006  Funastrum hirtellum David B. Dunn 1948-2-21 Dunn 3691 Riverside Found on steep ravine down s. Slope from hill with quad. 5. Pushawalla canyon, indio hills of the colorado desert; w. Of indio. Comment
  RSA715297  Galium angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32667 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  UCR132341  Galium angustifolium John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR260527  Galium angustifolium T. B. Salvato 2014-5-29 8043 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  RSA271436  Galium angustifolium subsp. angustifolium C. W. Tilforth 1978-4-30 1573 Riverside Low rounded hills east of Norco. Comment
  RSA627512  Galium angustifolium subsp. angustifolium Scott D. White, Julie Greene 1998-8-1 6967 Riverside Idyllwild area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Dr. and Humber Park. 1829 Comment
  RSA779947  Galium angustifolium subsp. gracillimum Duncan S. Bell, Jennifer Pilapil 2011-5-19 2477 Riverside A small side canyon off of Mission Creek canyon approximately 3.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road; just northwest of gaging station. 795 Comment
  UC1332296  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside Black Mountain road 0.9 mi above junction of road to Pine Wood; San Jacinto Mountains; San Jacinto Mts., Riverside Co. 1981 Comment
  UCR146246  Galium angustifolium subsp. jacinticum R. F. Thorne, Et al. 1969-6-24 38134 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  RSA769768  Galium aparine Duncan S. Bell, Joy D. England 2010-5-17 1001 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  UCR177638  Galium aparine S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  LA208517  Galium johnstonii Carl Epling; William Robison 1935-6-30 Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  RSA666860  Galium porrigens A. C. Sanders, P. J. MacKay, T. Thomas, O. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740. Comment
  JOTR36465  Galium stellatum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3435 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA0030946  Galium stellatum Ivan M. Johnston 1917-4-4 13779 Riverside Palm Canyon. 304 Comment
  UC666516  Galium stellatum var. eremicum Annie M. Alexander and Louise Kellogg 1941-5-18 2200 a Riverside n slope Colorado Desert, Eagle Mountains 1066 Comment
  CAS-BOT-BC178388  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside By Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N Slope Santa Rosa Mts. 1097 Comment
  CAS-BOT-BC178391  Garrya flavescens Carl B. Wolf 1939-1-20 9486 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  LA93407  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside Santa Rosa Mountains, by Cactus Spring Trail crossing of Horsethief Creek, trubutary to Deep Canyon, N slope of mountains (Site 13) 1097 Comment
  POM261676  Garrya flavescens var. pallida W. Pequegnat 1940-12-28 s.n. Riverside Santiago Pk., Santa Ana Mts. Comment
  RSA674622  Gastridium phleoides Scott D. White, Sandy Leatherman 2000-5-31 7973 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA667135  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Temecula, Long Canyon west of Del Rey Rd., along bottom of Canyon W of junction of Av. Pina Colada 345 Comment
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR257224  Gayophytum diffusum subsp. parviflorum Naomi Fraga, Et al. 2008-8-28 2608 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 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
  UCR92793  Gazania longiscapa Scott D. White 1994-3-29 1932 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  POM30736  Geraea canescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  POM358678  Geraea canescens Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  UC68869  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  UCR167202  Geraea canescens S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR245958  Geraea canescens Duncan S. Bell 2009-3-8 51 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  RSA391012  Geranium richardsonii M. B. Dunkle 1933-7-23 3763 Riverside San Jacinto Peak 2896 Comment
  UCR157615  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 184 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR263471  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35591 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  SEINET14623536  Gilia achilleifolia subsp. multicaulis H. M. Hall 1903-1 3726 Riverside Vicinity of Riverside Comment
  RSA67729  Gilia angelensis Verne Grant, Alva Grant 1952-3-31 17515 Riverside Palm Canyon. Comment
  UCR172804  Gilia angelensis Abby Sirulnik 2000-4-13 09 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR50078  Gilia australis N. M. Fellows, A. C. Sanders 1985-4-9 134 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR16729  Gilia capitata J. N. Bullock 1970-5-18 P 33 Riverside Fifty meters east of Maitri Rd at a spot 200 m south of the junction of Maitri Rd and Calif. Hwy 71. 341 Comment
  POM10428  Gilia capitata subsp. abrotanifolia Reed s.n. Riverside Riverside. Comment
  POM13004  Gilia capitata subsp. abrotanifolia P. A. Munz, I. M. Johnston 1922-5-19 5434 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  SBBG101644  Gilia capitata subsp. abrotanifolia S. Boyd with L. Arnseth, Y. Rasmussen, H. Cota 1990-5-3 4530 Riverside Vail Lake area at jct of Hwy R3 and Powerline Rd, NE of the lake Comment
  UC1595590  Gilia capitata subsp. abrotanifolia Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4530 Riverside rolling terrain at jtn of hwy R3 and Powerline Rd ne lake (Vail Lake area); Vail Lake area Comment
  UCR167250  Gilia latifolia John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  CAS-BOT-BC407619  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside Temecula Canyon, 1 mile S of Temecula Comment
  RSA0016295  Gilia ochroleuca subsp. exilis P. A. Munz, R. D. Harwood 1920-3-20 3681 Riverside Temecula Canyon 244 Comment
  RSA0017091  Gilia ochroleuca subsp. exilis D. L. Banks, Victor W. Steinmann 1997-3-13 1502 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UC880040  Gilia ochroleuca subsp. exilis Mary F. Spencer 1922-4-23 2053 Riverside Banning Maillard Canyon <?> Banning (Millard Canyon) 731 Comment
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Mar 13 2011
  RSA0016276  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet. 600 Comment
  RSA0017104  Gilia ochroleuca subsp. exilis P. A. Munz 1927-5-20 10867 Riverside Cohuila. Comment
  RSA0123777  Gilia stellata Duncan S. Bell, LeRoy Gross 2016-3-10 8874 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
  RSA150808  Gilia stellata Clare B. Hardham 1962-3-18 8925 Riverside East side of Salton Sea, Route 195 Comment
  UCR104017  Gilia stellata George K. Helmkamp 1998-4-4 3130 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR279393  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-25 43009 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
  RSA66736  Glaucium flavum H. Baer 1923-5-22 s.n. Riverside South side of Lake Elsinore Comment
  RSA273030  Glinus lotoides C. W. Tilforth, Walter Wisura 1978-10-6 1715 Riverside East end of Lake Skinner, northeast of Temecula. 451 Comment
  UCR208049  Glinus radiatus R. E. Riefner Jr. 2003-9-26 03- 379 Riverside Wildomar, approx. 1 mile east of I-15 along Clinton Keith Rd. in vicinity of Smith Ranch Rd. 427 Comment
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Nov 12 2019
  CDA4145  Glycyrrhiza glabra K. E. Hoffmaster 1968-11-18 Riverside Coachella Valley near Mecca. 0 Comment
  UC864089  Glycyrrhiza lepidota Crawford and Johnston 1917-6-9 1228 Riverside near Corona; Santa Ana River Comment
  UCR140563  Gnaphalium californicum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 66 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR158716  Gnaphalium californicum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30001 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
  UCR202422  Gnaphalium californicum Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  UCR241658  Gnaphalium luteoalbum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 318 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  POM48738  Gnaphalium palustre P. A. Munz, I. M. Johnston 1924-7-29 8821 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  SD197684  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 Riverside San Jacinto Mountain foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and north of California Highway 74. 548 Comment
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Jul 11 2010
  UCR13439  Gnaphalium stramineum A. C. Sanders 1973-5-25 00121 Riverside San Bernardino/upper Santa Ana River Valley, Santa Ana Riverbottom c. 0.5 mi upstream from Salt Lake Railroad bridge 216 Comment
  UCSB1696  Grayia spinosa Graney, Don 1953-3-21 Riverside Devils Garden, 11 miles east of White Water, Colorado Desert Comment
  SD51723  Gutierrezia californica Otto T. Solbrig 1958-8-20 2775 Riverside 1.0 mile from Palm Spring-Palm Desert Highway near entrance to Tahquitz Canyon Comment
  SD229095  Gutierrezia sarothrae Dick Schwenkmeyer 2012-3-26 678 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UC494687  Gutierrezia sarothrae P. A. Munz 1932-10-16 12851 Riverside road Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  UCR141254  Haplopappus venetus A. C. Sanders, Kelly Volansky 2004-10-6 28820 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR217554  Harpagonella palmeri Diane Menuz 2008-4-4 390 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  RSA500113  Helianthemum scoparium var. aldersonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3698 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  CAS-BOT-BC305361  Helianthus annuus H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  UC354463  Helianthus gracilentus Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch (Banning-Idylwild Rd.) 1127 Comment
  UCR112306  Helianthus gracilentus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23452 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UC1929931  Helianthus nuttallii subsp. nuttallii Scott D. White 2003-10-9 9816 Riverside San Jacinto Mountains: Pine Cove area. Lily Creek just north of crossing at Highway 243. San Jacinto Peak 7.5' Quad. Comment
  RSA780961  Heliotropium curassavicum Stephanie Rockwood, Christi Gabriel 2011-12-14 216 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR35180  Heliotropium curassavicum var. oculatum L. B. Ziegler 1974-5-20 525 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  POM361594  Hemizonia fasciculata M. M. Thompson 1947-6-9 2085 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  POM204504  Hemizonia kelloggii M. French Gilman 1934-7-8 s.n Riverside Banning Comment
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Mar 13 2011
  UCR3502  Hemizonia kelloggii Frances Miller 1964-5-20 M- 6456 Riverside N Peninsular Range/San Bernardino Valley, base of Box Springs Mtns., 1/4 mi north of end of Big Springs Rd, above RR 366 Comment
  UCR207786  Hemizonia mohavensis O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  RSA656543  Hemizonia paniculata A. C. Sanders 2000-5-25 23423 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA683228  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR159197  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2005-8-31 31597 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
  UCR239889  Hemizonia paniculata O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  POM187878  Hemizonia pungens subsp. laevis E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  UCR241836  Hemizonia pungens subsp. laevis A. C. Sanders, Timothy W. Chumley 2013-4-1 40726 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR267434  Hemizonia pungens subsp. laevis D. E. Bramlet 2005-7-27 3908 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  UCR89795  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-14 1925 Riverside Auld Valley: field at N edge of Intersection of Washington and Auld Rd. c. 1660m east of Skinner Res. dam and north of Tucalota Crk. 465 Comment
  RSA673556  Hesperocnide tenella Scott D. White, Tasha La Doux 2000-4-20 7684 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  RSA180431  Hesperolinon micranthum E. W. Lathrop 1965-5-30 5775 c Riverside 6 miles W of Murrieta. Comment
  UCR281264  Hesperolinon micranthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 44 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  LA22798  Hesperoyucca whipplei Eva Ward; sn Riverside Mt. David, Beaumont Comment
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Mar 2 2014
  CLARK-A1045-1310  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  RSA720461  Heterocodon rariflorum Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1680 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  UCR251297  Heterotheca grandiflora T. B. Salvato 2013-3-27 7431 Riverside Temescal Valley, Corona, c. 1 mi southeast of Corona (Lee) Lake and 0.2 mi south of Hwy 15, between De Palma Road and Colt Drive, west side of Horsethief Canyon Road 396 Comment
  CAS-BOT-BC310831  Heterotheca sessiliflora subsp. fastigiata Roxana S. Ferris 1953-3-10 12601 Riverside About 3/4 mile north of Whitewater post office Comment
  UC219593  Heuchera hirsutissima P. A. Munz 1922-6-28 5875 Riverside Toro Peak 2286 Comment
  POM13989  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4893 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  POM14094  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-13 4944 Riverside Eagle Mountains 274 Comment
  RSA167554  Hoffmannseggia glauca R. F. Thorne, Robert L. Rutherford 1964-4-12 33658 Riverside Along Hwy 60, south of Ford Dry Lake, west of Blythe. Comment
  SEINET3365552  Hoffmannseggia glauca G. Rink 2011-9-25 11071 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  CAS-BOT-BC206377  Hoffmannseggia microphylla Peter H. Raven 1958-1-24 11464 Riverside desert alluvial fan, Fargo Canyon Comment
  CAS-BOT-BC207558  Hoffmannseggia microphylla K. Larson 1976-6-8 2032 Riverside approximately 19 mi SE Indio at base of Indio Hills 0 Comment
  CAS-BOT-BC174241  Hordeum depressum A. C. Sanders; T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough: city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  CAS-BOT-BC285035  Hordeum depressum Philip A. Munz 1937-3-27 14936 Riverside Overflow from Lake Elsinore, Elsinore 304 Comment
  UCD85628  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin. San Jacinto River Valley. S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto. 445 Comment
  RSA609948  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and183m north of the San Jacinto River. This locality was some 46m south of the existing access road., 11S X 04 88 978mE X 37 45 950mN 432 Comment
  UCR269908  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3669 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
  RSA715128  Hordeum marinum Daisie Huang 2006-4-30 s.n. Riverside Via Volcano Rd, across from Vernal Pool Trailhead in Santa Rosa Plateau Reserve. Sunny flat, clay soil. 635 Comment
  CAS-BOT-BC148555  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area - San Jacinto Mts. 1828 Comment
  UCR49238  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR213828  Hulsea heterochroma Scott D. White, Justin M. Wood 2009-5-21 12841 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  RSA720463  Hulsea vestita subsp. callicarpha Naomi Fraga, Bryan Carey 2006-6-1 1688 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  UC32857  Hulsea vestita subsp. callicarpha H. M. Hall 1901-8-8 2682 Riverside vicinity of Chalk Hill 1645 Comment
  RSA93954  Hymenoclea monogyra F. W. Peirson 1919-4-12 1317 Riverside Tahquitz canyon near Palm Springs. Comment
  RSA650974  Hymenoclea salsola Marion P. Harthill 1971-3-19 3 Riverside Palm Desert. Comment
  UCR16694  Hymenoclea salsola R. L. Lasby 1969-5-3 17 Riverside San Bernardino Mtns/Colorado Desert, canyon 3 miles NE of Cabezon 671 Comment
  RSA92197  Hymenoxys odorata F. W. Peirson 1935-4-17 11468 Riverside Abundant on roadsides for several miles, river bottom lands, 20-22 miles S of Blythe. Comment
  HSC101517  Hyptis emoryi J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12780 Riverside On rocky slope among granite boulders. 355 Comment
  RSA420156  Hyptis emoryi Elbert Benjamine 1929-4-6 139 Riverside Box Canyon, Coachella Valley, Colorado Desert. Comment
  SFV21859  Hyptis emoryi J. R. Pucci 2001-4-7 9 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  UCD124926  Hyptis emoryi C. W. Tilforth 1967-2-12 111 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  CAS-BOT-BC274061  Imperata brevifolia H. E. Hasse 1913-11-22 s.n. Riverside Cienega in Chino Canon [Canyon], San Jacinto Mts Comment
  SEINET10572093  Isocoma acradenia Robert M. King, Robert M. Garvey 2000-2-16 King 11243 Riverside Indian Canyons, south of Palm Springs Comment
  CAS-BOT-BC311616  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio, Salton Sink -6 Comment
  JEPS19094  Isocoma acradenia var. eremophila S. B. Parish 1913-2-28 8475 Riverside Mecca Salton Sink -60 Comment
  JEPS19108  Isocoma acradenia var. eremophila W. L. Jepson 1914-5-21 6039 Riverside about Indio 7 Comment
  RSA614494  Isocoma acradenia var. eremophila A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15818 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  IRVC17941  Isoetes howellii Gordon A. Marsh, Karlin G. Marsh 1980-5-18 s.n. Riverside Santa Rosa Plateau; pool 1. Peninsular Ranges, Santa Ana Mountains Comment
  SD68955  Isoetes howellii Robert F. Thorne, E. Lathrop, P. Munz 1968-5-8 37568 Riverside Santa Rosa Plateau, vernal marsh on Mesa de Colorado 669 Comment
  JEPS15904  Jepsonia parryi H. M. Hall 1896-12-12 345 Riverside Winchester Comment
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Mar 20 2011
  RSA84404  Jepsonia parryi F. W. Peirson 1922-12-27 3337 Riverside Between forks of Andreas Canyon, near Palm Springs 609 Comment
  SD225005  Juglans nigra A. C. Sanders, S. Hawkins 1996-4-24 18085 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1100 Comment
  UCR274291  Juncus balticus T. B. Salvato, Melissa Clemons 2005-6-6 1416 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  SBBG104066  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside western edge of Hemet, NE corner of intersection of Myers St and Devonshire Ave, 0.75 mi NE of the jct of Florida Ave (Hwy 74) and Warren Rd, just S of Tres Cerritos 460 Comment
  SD220020  Juncus bufonius Steve Boyd, Gary Wallace 2005-7-30 11643 Riverside San Jacinto Mountains region: San Jacinto Mountains State Park, Hidden Lake area northeast of Hidden Diovide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek. 2659 Comment
  UCR222304  Juncus bufonius R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55214 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  VVC525  Juncus bufonius A. C. Sanders, J. Mackay 1997-5-4 20705 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UCR193904  Juncus effusus subsp. austrocalifornicus A. C. Sanders, Mitch Provance 2008-7-11 35778 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR59517  Juncus macrophyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3562 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA675699  Juncus mexicanus Scott D. White 2001-5-1 8435 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  SEINET1908650  Juncus patens A. C. Sanders, MitMitch Provance 2008-1 35778 Riverside Peninsular Range; San Jacinto Mtns.: FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  SD185070  Juncus rugulosus T. B. Salvato, Melissa Clemons 2005-6-23 1317 Riverside Temescal Valley, 3.0 m iles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  UCR164070  Juncus rugulosus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR70880  Juncus sphaerocarpus F. W. Peirson 1922-5-19 3019 Riverside Menifee Valley 457 Comment
  RSA14373B  Juncus tiehmii Phillip A. Munz 1922-5-20 5473 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
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May 29 2011
  RSA653175  Juncus torreyi Mitch Provance 2000-6-24 2076 Riverside Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 244 Comment
  SD187311  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  UC1212184  Juniperus californica H. E. and S. T. Parks 1940-2-1 24176 Riverside Palms to Pines Hwy Santa Rosa Canyon 1066 Comment
  GMDRC9805  Justicia californica J. M. Andre 2017-3-1 38022 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  HSC47583  Justicia californica R. W. Spjut, C. E. Edson 1978-5-5 5012 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. Comment
  LA202785  Justicia californica Philip A. Munz; 1932-3-14 11971 Riverside Deep Canyon, Coachella Valley 91 Comment
  RSA11524  Justicia californica N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Shavers Well Comment
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May 24 2012
  SEINET2043588 Image available Justicia californica John Adams 1966-3-12 445 Riverside Hwy 74, 2 mi above Palm Desert. 610 Comment
  UC888143  Justicia californica N. Dunn and A. M. Martin 1932-3-26 Riverside Shaver's Well Comment
  RSA683916  Kallstroemia californica Michael Denslow 2003-9-13 1546 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  RSA293258  Keckiella antirrhinoides D. C. Michener 1980-5-29 3634 Riverside San Bernardino NF, Cave Springs. 950 Comment
  RSA528028  Keckiella antirrhinoides R. Montijo 1991-4-18 91 -4 Riverside South of Lake Mathews, Ona Knoll Road ca. 1 mi. S of Cajalco Rd. 640 Comment
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Nov 20 2010
  CAS-BOT-BC236726  Keckiella antirrhinoides subsp. microphylla Peter H. Raven 1958-5-18 12995 Riverside Along State Highway 74, 4.9 miles north-east of Pinyon Flats, San Jacinto Mountains Comment
  NY786707  Keckiella antirrhinoides var. antirrhinoides A. J. McClatchie 1893-5-20 s.n. Riverside Elsinore Comment
  RSA543938  Keckiella cordifolia Steve D. Boyd 1991-5-10 6216 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  CAS-BOT-BC246202  Keckiella rothrockii Edmund C. Jaeger 1923-7-12 s.n. Riverside Tahquitz Valley, San Jacinto Mts. Comment
  UCR268282  Keckiella ternata subsp. ternata Jim Andre 2012-6-15 30508 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  SEINET12320632  Keckiella ternata subsp. ternata C. W. Tilforth, Wisura, W. 1979-1 1896 Riverside along Hwy 243, 5.6 mi S of jct with Hwy 10, S of Banning Comment
  CAS-BOT-BC273670  Koeleria pyramidata H. M. Hall 1901-6-1 2131 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  JEPS99420  Krameria erecta D. H. Wilken, G. A. Wilken 1997-11-1 15375 Riverside Tributary of San Bernardino Wash, 0.3 km sw of Gold Crown Rd, sw slope of Pinto Mtns. Mojave Desert 605 Comment
  JOTR34065  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  POM122278  Krameria grayi Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms. Comment
  SEINET229295  Krameria grayi L. M. Shultz, JS Shultz 1985-4-17 8305 Riverside Southern extension of the Big Maria Mountains 98 Comment
  RSA502493  Lactuca saligna Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3734 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  RSA0123345  Langloisia setosissima subsp. setosissima Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8988 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC449758  Langloisia setosissima subsp. setosissima Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado R., Riverside Mt. Comment
  RSA0077529  Larrea divaricata G. Wallace 1964-5-23 s.n. Riverside Anza-Borrego Desert. Comment
  RSA652051  Larrea tridentata Marion P. Harthill 1973-2-17 1557 Riverside Snow Creek, Palm Springs 366 Comment
  RSA795738  Larrea tridentata Jim Andre 2012-3-18 21291 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  SD248245  Larrea tridentata J. M. Andre 2014-1-27 26658 Riverside Riverside Mountains; at mine site (and borrow pit), in canyon 1.3 mile west of Highway 95 (at Wilson Rd), 12.2 miles south of Vidal Jct (at Hwy 62). 224 Comment
  UCR272875  Larrea tridentata Cheryl Sevilla, Sarah J. De Groot, Forrest D. Freund 2015-4-1 071 Riverside Sonoran (Colorado) Desert, Coachella Valley, Santa Rosa Mountains, suth of La Quinta, north of Devil Canyon, 2.5 miles west of Lake Cahuilla 136 Comment
  UCR158251  Lasthenia coronaria A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30102 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
  RSA502915  Lasthenia glabrata subsp. coulteri Ed LaRue 1989-4-7 s.n Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  SEINET6413739  Lasthenia glabrata subsp. coulteri R. Spellenberg 2014-5-7 14776 Riverside S of Moreno valley, 1.6 km N of Ramona Expressway on Davis Road, toward San Jacinto Wildlife Area. 435 Comment
  RSA0013707  Lasthenia gracilis LeRoy Gross, Grace Cho 2013-4-9 6003 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA563905  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 roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  RSA586869  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-3 0288 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
  UCR117217  Lasthenia gracilis B. G. Pitzer 2000-4-20 4125 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR155088  Lasthenia gracilis A. C. Sanders, Kelly Volansky 2005-3-17 29233 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
  UCR228743  Lasthenia gracilis A. C. Sanders, Nathan Moorhatch 2011-3-22 38797 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  RSA771678  Layia glandulosa Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4988 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  CAS-BOT-BC320797  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  UC62889  Layia platyglossa H. M. Hall 1902-4-26 2988 Riverside vicinity Riverside 426 Comment
  UC917864  Layia platyglossa Frank W. Gould 1943-4-17 2105 Riverside 12 mi s of Corona Comment
  CLARK-A1656-836  Layia platyglossa subsp. campestris Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  RSA603794  Layia platyglossa subsp. campestris Palmer Stockwell 1935-5-12 1220 Riverside 2.5 miles N of Elsinore Comment
  RSA739704  Layia ziegleri A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35614 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  RSA310052  Lemna gibba Wayne P. Armstrong 1983-10-8 1170 Riverside Santa Ana River, East of bridge where Highway 31 crosses river. (N of Norco). 207 Comment
  UCR249064  Lemna gibba Scott D. White, Michelle Balk 2006-6-13 11511 Riverside Perris Basin, north Hemet area, west side of Warren Road, just north of intersection with Esplanade, between San Diego Canal and Warren Road 457 Comment
  CAS-BOT-BC534384  Lemna gibba G. R. Kleeberger 1878-12-29 s.n. Riverside Temescal Comment
  RSA0089288  Lemna minor David E. Bramlet 2005-7-13 3897 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San jacinto River channel. 433 Comment
  RSA645547  Leonotis nepetifolia A. C. Sanders, G. Helmkamp 1995-12-5 17931 Riverside Riverside: weed in the yard of O.F. Clarke, 1012 Spruce St. near Canyon Crest DR. 305 Comment
  CLARK-A1528-2319  Lepidium dictyotum John C. Roos 1950-3-18 4712 Riverside 457 Comment
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Jan 30 2016
  SBBG104068  Lepidium dictyotum A. C. Sanders 1993-4-1 13670 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  SBBG104094  Lepidium dictyotum A. C. Sanders 1993-4-5 13684 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  UCR162956  Lepidium dictyotum var. acutidens Fred M. Roberts, D. E. Bramlet 2005-4-1 6152 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  RSA796105  Lepidium lasiocarpum Duncan S. Bell 2009-4-20 315 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR249507  Lepidium lasiocarpum T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7285 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  CAS-BOT-BC89666  Lepidium lasiocarpum subsp. lasiocarpum John Thomas Howell 1928-3-11 3417 Riverside North Colorado Desert. Morongo Canyon. 609 Comment
  UCR111607  Lepidium latifolium Mitch Provance 1999-5-4 1686 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR116655  Lepidium latifolium A. C. Sanders, Carolyn Washburn 2001-5-10 24243 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR280638  Lepidium oblongum Arlee Montalvo 2017-4-20 674 Riverside Peninsular Range; Temescal Canyon, floodplain of Bedford Wash before confluence with Temescal Wash, south of Cajalco Rd. 245 Comment
  SDSU12850  Lepidium pinnatifidum Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998I Riverside Road to southwest of SDSU Margarita Field Station, ca. 1000 feet SW on road to switchback, northwest of bend in road. 262 Comment
  OBI45208  Lepidium virginicum B. Pitzer & Jack Easton, Jack Easton 1987-3-10 402 Riverside Anza area, hills S of Thomas Mtn, ca 3 mi (airline) E oftown of Anza on N side of hwy 371. Butterfly Peak 7.5'quad: T7S, R4E, NE1/4 sec 13 1341 Comment
  CAS-BOT-BC60107  Lepidium virginicum var. menziesii Mary F. Spencer 1919-6-18 1327 Riverside San Jacinto Mountains. 1615 Comment
  CAS-BOT-BC329442  Lepidospartum squamatum Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  RSA577752  Leptochloa fusca subsp. uninervia F. M. Reed 1926-5-15 5342 Riverside West of Menifee schoolhouse, Menifee Valley. 549 Comment
  UCR2515  Leptochloa uninervia F. M. Reed 1920-3-25 4201 Riverside Sonoran (Colorado) Desert, Coachella, Salton Basin 46 Comment
  RSA73047  Leptosiphon androsaceus F. W. Peirson 1922-4-28 4472 Riverside Leach Canyon, near Elsinore 534 Comment
  POM15022  Leptosiphon ciliatus Mary F. Spencer 1922-6-17 1203 Riverside Idyllwild. 1585 Comment
  POM364641  Leptosiphon liniflorus Robert Kessler 1921-9-1 s.n. Riverside Mount San Jacinto. Comment
  POM364643  Leptosiphon liniflorus H. Twining 1888-03 s.n. Riverside Riverside Comment
  POM96632A  Leptosiphon pygmaeus subsp. pygmaeus F. M. Reed 1925-5-26 5285 Riverside Horsetheif Canyon. 762 Comment
  POM361809  Lessingia glandulifera var. glandulifera H. de 1932-8-28 15808 Riverside W side San Jacinto Valley. Comment
  UCR34941  Lessingia glandulifera var. glandulifera L. B. Ziegler 1964-8-30 017 Riverside San Jacinto Mtns., Hemet (Garner) Valley, Thomas Mtn. subdivision 1402 Comment
  MACF020319  Libocedrus decurrens B. Thomas 1967-12-29 59 - Riverside On Hwy. 74 coming up from Palm Desert. On the roadside, the one obvious specimen 20 feet from the road on the otherside of a barbed wire fence beside a ditch. 1493 Comment
  UCR260894  Ligustrum japonicum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41526 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  RSA357754  Lilaea scilloides Robert F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  JOTR30666  Linanthus aureus subsp. aureus La Doux, Tasha, Jim Andre 2008-3-21 142 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  SEINET7073299  Linanthus bellus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA525324  Linanthus bigelovii Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4455 Riverside Vail Lake area, benches along Kolb Crk., W of Dripping Springs, N of Hwy 79. 487 Comment
  RSA777157  Linanthus californicus Steve Boyd, Susan G Jett 2008-3-20 11829 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  RSA773182  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-27 1133 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  POM364586  Linanthus dianthiflorus subsp. dianthiflorus Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
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Oct 2 2011
  UCR35064  Linanthus dianthiflorus subsp. farinosus L. B. Ziegler 1968-3-30 271 Riverside San Jacinto Mtns., Foothills, adjacent to St. Johns Grade 610 Comment
  UC2029974  Linanthus floribundus Scott D. White, Tasha LaDoux 20 Apr 2000 7702 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  RSA676060  Linanthus jonesii Scott D. White 2001-4-3 8247 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR88109  Linanthus jonesii A. C. Sanders, G. Nuhn 1995-4-20 16583 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  UC133795  Linanthus lemmonii T. S. Brandegee 1902-5-19 Riverside Banning Comment
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Mar 13 2011
  UCR154458  Linanthus lemmonii Jason L. Hlebakos 2005-5-30 808 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
  UCR48529  Linanthus lemmonii Steve Boyd 1986-4-19 1696 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  JEPS58470  Linanthus liniflorus W. L. Jepson 1914-5-25 6076 Riverside Beaumont Comment
  UC23788  Linanthus liniflorus A. J. McClatchie 1892-6-8 40 Riverside near Elsinore Comment
  CLARK-A1528-722  Linanthus liniflorus subsp. pharnaceoides C. M. Flanagan 1973-5-20 OO 532 Riverside Morongo Indian Reservation 1158 Comment
  RSA487548  Linaria canadensis var. texana Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  UCR104597  Linaria canadensis var. texana G. R. Ballmer 1998-3-14 s.n. Riverside Santa Ana Mtns., Walker Basin, west of Temecula, south of Rancho California Rd., vicinity of Via Vaquero 396 Comment
  POM1813  Listera convallarioides I. M. Johnston 1916-8-1 s.n. Riverside Strawberry Valley, San Jacinto Mountains Comment
  POM10221  Lobelia cardinalis subsp. graminea Anonymous 1903-8-23 436 Riverside Spring Brook west of Elliotta. [City of Riverside] Comment
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Jan 5 2015
  POM153404  Lobelia cardinalis subsp. graminea P. A. Munz, I. M. Johnston 1928-9-12 11303 Riverside 2 miles S of Murrieta. Comment
  RSA674930  Loeflingia squarrosa Scott D. White, Tasha La Doux 2000-4-23 7722 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  UCR116627  Loeflingia squarrosa A. C. Sanders 2001-3-20 23847 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
  RSA676084  Loeseliastrum schottii Scott D. White 2001-4-12 8315 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA511058  Lolium perenne Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR138895  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-4-5 1659 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  GMDRC1318  Lomatium mohavense J. Andre 2004-4-24 4276 Riverside Little San Bernardino Mountains: Joshua Tree NP: open Joshua Tree woodland, near roadside 1/2 mi. east of GeoTour Rd. Elev. 4493 ft. 1370 Comment
  RSA574734  Lomatium vaginatum Steve Boyd 1981-3-16 s.n. Riverside Gavilan Hills region, summit of Estelle Mountain. 823 Comment
  SFV20158  Lonicera subspicata var. denudata J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .5 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  SD67736  Lonicera subspicata var. johnstonii Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mountains. 1520 Comment
  RSA667006  Lotus argophyllus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24195 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  JEPS55421  Lotus crassifolius var. crassifolius Carl V. Meyer 1927-6-1 Riverside Saunders Meadow San Jacinto Mt. Comment
  UC864796  Lotus grandiflorus var. grandiflorus P. A. Munz and I. M. Johnston 1922-5-19 5403 Riverside 1 mi above mouth of Strawberry Creek; San Jacinto Canyon, Strawberry Creek 1219 Comment
  RSA557900  Lotus hamatus Steve Boyd, Orlando Mistretta 1992-4-22 7015 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UCR141333  Lotus heermannii var. heermannii R. F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38113 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  SEINET3694584 Image available Lotus humistratus Annie M. Alexander, Louise Kellogg 1941-5-15 2185 Riverside Eagle Mountains 914 Comment
  UCR22014  Lotus humistratus Steve Boyd 1980-5-22 299 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  RSA406220  Lotus oblongifolius N. C. Cooper 1944-7-16 1563 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  UCR175695  Lotus purshianus Jennifer H. Jones, Scott D. White 2005-5-25 096 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  SEINET3224409  Lotus purshianus var. purshianus G. Goodwin 2012-6-15 3463 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UC864872  Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 670 Comment
  RSA450525  Lotus salsuginosus var. brevivexillus B. A. Prigge 1988-2-21 7845 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  POM320471  Lotus salsuginosus var. salsuginosus Greg Wright 1971-4-17 12 Riverside Corona Skyline Drive, southwest of Corona, Cleveland National Forest. 366 Comment
  UCR25958  Lotus salsuginosus var. salsuginosus John C. Roos, L. Roos 1952-5-19 5694 Riverside One year old burn on hills north of Moreno 518 Comment
  UCR44444  Lotus salsuginosus var. salsuginosus A. C. Sanders, B. Pitzer 1986-4-30 6483 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  CSUSB1269  Lotus scoparius Sally Bell 1964-5-1 Riverside Highway 60, about 0.5 mile east of the crest of the grade in the Badlands between Sunnymead and Beaumont, on the south side of the road. 914 Comment
  RSA498851  Lotus scoparius var. brevialatus Elizabeth A. White 1928-03 s.n. Riverside Colorado Desert Comment
  RSA775606  Lotus strigosus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 999 Riverside Iron Mountains, on southwest side of mountains in wash. 423 Comment
  RSA779805  Lotus strigosus Duncan S. Bell 2009-3-9 104 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  UCR103169  Lotus strigosus Scott D. White, Julie Greene 1997-3-12 4780 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR251989  Lotus strigosus A. C. Sanders, T. B. Salvato 2014-7-2 41164 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UCR98206  Lotus strigosus B. G. Pitzer 1997-4-1 3048 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA644225  Lotus strigosus var. strigosus V. W. Steinmann, M. T. Wedlake 1995-4-8 656 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  CSUSB1241  Lotus tomentellus Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  RSA524435  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4051 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA124265  Lupinus arizonicus E. K. Balls, Percy C. Everett 1958-3-20 22937 Riverside South base of Eagle Mts., U.S. Hwy 60/70. 366 Comment
  RSA654057  Lupinus arizonicus R. Spellenberg, N. Zucker 2000-3-28 13048 Riverside E side of Thermal, ca. 1 km E of Calif. Hwy. 111, ca. 5 air km NW of Mecca 30 Comment
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Feb 3 2011
  UC195032  Lupinus arizonicus Joseph Grinnell 1910-3-17 Riverside Riverside Mt.; Colorado River, Riverside Mt. Comment
  OBI22889  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2 mi W of Corona Comment
  RSA691056  Lupinus bicolor Scott D. White, Michael Honer 2003-4-9 8989 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UC489014  Lupinus bicolor C. V. Meyer 1929-6-18 767 Riverside Hemet Valley; San Jacinto Mts., Hemet Valley 1341 Comment
  UCR155038  Lupinus bicolor A. C. Sanders, Kelly Volansky 2005-3-17 29231 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
  RSA630297  Lupinus concinnus subsp. optatus R. S. Woglum 1941-6-12 3057 a Riverside Idyllwild. Comment
  UC489156  Lupinus excubitus C. V. Meyer June 1927 166 Riverside San Jacinto Mts. 1737 Comment
  POM12627  Lupinus excubitus var. austromontanus Philip A. Munz, I. M. Johnston 1922-5-21 5499 Riverside 2 mile below Kenworthy, Thomas Valley 1372 Comment
  RSA396461  Lupinus excubitus var. austromontanus Walter Wisura 1987-5-21 4162 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  UCR138142  Lupinus excubitus var. hallii D. L. Banks, V. W. Steinmann 1997-3-13 1444 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR281482  Lupinus excubitus var. hallii Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 91 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  POM312127  Lupinus formosus N. C. Cooper 1944-6-17 1420 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UCR104926  Lupinus hirsutissimus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20654 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
  UC73187  Lupinus latifolius var. parishii M. F. Gilman 1904-1 44 Riverside Banning Comment
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Mar 13 2011
  RSA413773  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR60538  Lupinus microcarpus C. W. Tilforth, W. Wisura 1979-5-23 1806 Riverside Santa Ana Mtns., Santa Rosa Plateau, Murrieta to De Luz road, c. 2 air mi. south of Murrieta 335 Comment
  UCR17750  Lupinus microcarpus var. densiflorus O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  CLARK-A1528-2850  Lupinus sparsiflorus John C. Roos 1937-4-18 1357 Riverside Cabazon Comment
  CSUSB1642  Lupinus sparsiflorus R. Pirot 1975-5-17 Riverside J. F. Road and Highway 74, Homeland 542 Comment
  JEPS81669  Lupinus sparsiflorus L. R. Heckard 1969-4-24 2165 Riverside 7 mi s of Sage (along Highway 79); Highway 79 Comment
  UC16021  Lupinus sparsiflorus H. M. Hall Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  UCR17920  Lupinus sparsiflorus M. J. Arbaugh 1978-5-5 s.n. Riverside Hills south of Botanical Gardens at University of Calif., Riverside. Comment
  UCR272436  Lupinus sparsiflorus Cheryl Sevilla, Sarah J. De Groot 2015-3-18 040 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2.2 air miles north of the Whitewater Preserve Ranger Station, hillside east of the Whitewater River drainage 885 Comment
  CLARK-A1045-186  Lupinus sparsiflorus subsp. inopinatus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains end of road; Wildomar 7.5'Q Comment
  POM280800  Lupinus truncatus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA554282  Lupinus truncatus Scott D. White 1992-2-25 92 -8 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
  UC1979644  Lupinus truncatus Steve Boyd, D. L. Banks 1995-4-5 8427 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west off the lower Dripping Springs Trail, just south of the Wilderness boundary. Comment
  SEINET10489082  Lupinus truncatus Robert F. Thorne 1983-4-23 Thorne 55499 Riverside San bernandino mts: sandy wash along whitewater river where road crosses river Below fish hatchery, ca 4 mi n or whitewater post office. Erect, Reddish-purple-flowered annual. 640 Comment
  UC70342  Luzula comosa var. laxa H. M. Hall 1901-7 2606 a Riverside San Jacinto Mountains. Along creeks Tamarack Valley Comment
  UCSB16582  Lycium andersonii Breedlove, Dennis 1962-3-11 Riverside State 74, 3.7 miles southwest of Palm Desert 335 Comment
  UCR89683  Lycium cooperi Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  CDA23160  Lythrum californicum Scott D. White, Angelia Carey 2004-6-4 10459 Riverside San Jacinto Mountain foothills; Indian Creek watershed, above confluence w/ San Jacinto River. Comment
  SD146227  Lythrum hyssopifolia A. C. Sanders 1998-5-21 21871 Riverside Hemet; alkaline flats west of town, along Stetson Ave. west of Warren Road. 456 Comment
  CLARK-A1528-2000  Machaeranthera cognata John C. Roos 1949-4-6 4138 Riverside Orocopia Mountains Comment
  UCR93099  Machaeranthera cognata F. M. Reed 1931-4-11 6919 Riverside Western Colorado Desert, 'Red Canyon' north of Mecca [= Painted Canyon?] 152 Comment
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Nov 24 2011
  UCR92331  Malacothamnus densiflorus Scott D. White, M. D. Wilcox 1995-7-11 3470 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  CSUSB1367  Malacothamnus fasciculatus James K. Ryan 1968-5-10 Riverside 1.5 miles east of UC, Riverside. Comment
  RSA0087580  Malacothamnus fasciculatus Scott D. White, Justin M. Wood 2008-7-10 12444 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA433318  Malacothamnus fasciculatus N. C. Cooper 1944-5-21 1279 Riverside Hemet. 549 Comment
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Oct 19 2009
  UCR231744  Malacothamnus fasciculatus John F. Green 2008-4-23 08- 11 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
  UC1042381  Malacothamnus fasciculatus var. fasciculatus John Thomas Howell 1952-10-24 28867 Riverside ca 8 mi e Temecula (Pauba Ranch) Comment
  RSA145228  Malacothrix clevelandii P. H. Raven 1958-5-17 12936 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA586843  Malacothrix clevelandii D. L. Banks, Peter Morrell 1995-5-4 0310 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 732 Comment
  JOTR31996  Malacothrix coulteri La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2226 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  POM362321  Malacothrix glabrata Ora M. Clark 1929-2-24 1516 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  RSA341991  Malacothrix glabrata R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54053 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA554298  Malacothrix glabrata Dave Kelly 1992-3-11 92 -14 Riverside Hwy I-10, ca. 20 mi E of Indio. Comment
  CAS-BOT-BC347895  Malacothrix saxatilis var. tenuifolia John Thomas Howell 1931-6-4 6643 Riverside Summit of Jackrabbit Trail Comment
  CAS-BOT-BC348026  Malacothrix stebbinsii Carl B. Wolf 1941-4-28 10092 Riverside Mojave Desert. S. base of Old Dad-Granite Mt. Range. Mouth of Willow Spring Canyon 1219 Comment
  RSA388411  Malosma laurina R. F. Thorne, Steve D. Boyd, Earl Lathrop 1985-7-18 61208 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR38238  Malva nicaeensis Steve Boyd 1980-4-23 s.n. Riverside Intersection of Jurupa Road and Galena Road, Glen Avon Comment
  JEPS42466  Marah macrocarpa W. G. Wright 1892-1 Riverside Palm Springs Colorado Desert Comment
  RSA180304  Marah macrocarpa E. W. Lathrop 1965-4-4 5623 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA662175  Marah macrocarpa Stephen Hill 1981-2-16 6 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. 100 yards from road. Comment
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Jul 14 2013
  RSA772120  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4837 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SFV7921  Marina parryi T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1284 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  RSA450079  Marsilea vestita J. C. Roos 1965-9-16 s.n. Riverside Lakeview. Comment
  SD260170  Matelea parviflora A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, Chuckwall Bench area on S side of Chuckwall Mountains, 8.9 km SE of Gasline Rd, at narrow wash crosing (Red Cloud Canyon 7.5'Q) 701 Comment
  UCR241681  Matricaria discoidea T. B. Salvato 2013-3-22 7396 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  RSA556507  Matricaria matricarioides Julie Greene 1993-4-3 1075 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  RSA612845  Matricaria matricarioides D. L. Banks 1997-3-1 1371 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  SD186095  Matricaria occidentalis A. C. Sanders 2003-5-9 26580 Riverside West of Hemet, west edge of Warren Road, just north of Highway 74. 456 Comment
  RSA651342  Matthiola incana John Edwin Burns 1948-2-25 s.n. Riverside Riverside. 304 Comment
  UCR241394  Medicago polymorpha T. B. Salvato 2013-3-22 7394 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR55890  Melia azedarach J. A. Adams 1966-4-28 710 A Riverside Santa Rosa Plateau, dirt road from Murrieta to De Luz. 15 mi east of De Luz 762 Comment
  JOTR30918  Melica frutescens La Doux, Tasha, Bill Truesdell 2008-4-29 2594 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 7) 1208 Comment
  RSA0121430  Melica frutescens Duncan S. Bell, LeRoy Gross 2016-3-30 9147 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  HSC10353  Melica imperfecta C. L. Hitchcock, C. V. muhlick 1964-3-17 23101 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
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Jul 9 2010
  UC38845  Melica imperfecta H. M. Hall 1899-1 1111 Riverside Strawberry Creek; San Jacinto Mountains 914 Comment
  UC818873  Melica imperfecta P. A. Munz and I. M. Johnston 1922-5-21 5500 Riverside near Kenworthy (Hemet Valley); San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UCR281479  Melica imperfecta Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 81 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  CSUSB1119  Melilotus indicus Arthur P. Donaldson 1966-5-19 Riverside Collected from the Santa Ana River Bottom at it's entrance to Fairmount Park in the city of Riverside. 262 Comment
  POM13741  Mentha canadensis E. C. Jaeger 1921-8-21 1164 Riverside Riverside. Comment
  RSA4968  Mentzelia affinis Carl B. Wolf 1932-4-27 3030 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  SBBG99189  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC1004771  Mentzelia involucrata E. C. Jaeger 1939-12-29 Riverside 5 m e Indio (Eytel Canyon branching from Fargo Canyon) 243 Comment
  UC1007184  Mentzelia involucrata Philip A. Munz 1940-3-24 15694 Riverside 3 mi s Cottonwood Springs; Eagle Mts. 457 Comment
  UCR104031  Mentzelia involucrata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2737 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR279352  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2017-3-23 42932 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  SEINET226233  Mentzelia longiloba A. C. Sanders 1983-5-22 3834 Riverside Along Kelbaker Road at the east end of the Kelson Dunes, 2.2 miles SE of Kelson. 655 Comment
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May 18 2015
  SBBG4879  Mentzelia nitens H. and M. Dearing 1949-4-16 6749 Riverside Cottonwood Spring Comment
  UCR201624  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCR220324  Microseris douglasii D. E. Bramlet 1992-4-3 2210 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  SD262201  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317 39 Riverside Temescal Valley: East side of Campbell Ranch Rd, A+-500 ft north of Indian Truck Trail (Alberhill 7.5'Q) 360 Comment
  UCR217519  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-14 09 Riverside Perris-Aguanga Basin, Southeast end of Paloma Valley, 0.8km south of Scott Rd. and 400m east of Briggs Rd 435 Comment
  UCR102896  Microseris heterocarpa A. C. Sanders 1997-4-3 20167 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA0065433  Microseris heterocarpa Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 609 Comment
  UCR121185  Microseris lindleyi D. E. Bramlet 1989-4-7 1814 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, south of Lake Skinner, 4700 ft. west of Old Warren Rd. and 1700 ft. south of the E-W access road 488 Comment
  RSA0018778  Mimetanthe pilosa M. Alice King 1893-07 257 Riverside Rayneta [Idyllwild], San Jacinto Mts. Comment
  OBI8385  Mimulus aurantiacus var. pubescens David J. Keil, Malcolm Mcleod 1977-3-26 12024 Riverside 0.7 mi W of jctn with Riverside Co. rd R-3 (to Hemet) along Calif Rte 79 549 Comment
  UC943874  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 B Riverside Indian Canyon Truck Trail Santa Ana Mts. 853 Comment
  UCR182500  Mimulus aurantiacus var. pubescens Andrea Salzman, Carlos Navarro 2006-4-5 27 Riverside Peninsular Range, Sycamore Canyon park, Riverside, N of Alessandro Blvd. and SW of Box Springs Siding 457 Comment
  UCR262243  Mimulus aurantiacus var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3723 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
  RSA442704  Mimulus aurantiacus var. puniceus E. S. Spalding 1925-6-11 s.n. Riverside Between Elsinore and Temecula. Comment
  UCD122360  Mimulus aurantiacus var. puniceus Geoffrey Levin 1975-4-26 484 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Drainage Area: Pacific Slope. 335 Comment
  UCR91220  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-31 3855 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA4942  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  CLARK-A1528-860  Mimulus brevipes C. M. Flanagan 1973-5-31 OO 610 Riverside Morongo Indian Reservation 914 Comment
  RSA701500  Mimulus brevipes M. Wall, Susan Jett, Perez, Garcia 1994-6-1 53 Riverside S of Hemet 1.75 mi W of Benjie Lane off Hwy R-3. Comment
  UCR137488  Mimulus brevipes D. L. Banks 1997-3-29 1571 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR151205  Mimulus floribundus Scott D. White 1999-6-6 7441 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  RSA395895  Mimulus fremontii var. fremontii Steve Boyd 1986-4-22 1751 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  HSC79248  Mimulus guttatus G. K. Helmkamp 1984-5-2 - 31 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  UCR99194  Mimulus guttatus M. J. Wangler 1993-4-21 29 Riverside Riverside, small tributary of Sycamore Canyon Wash 1 km east of Sycamore Canyon Wash, and 300 m south of Central Ave. within Sycamore Canyon Co. Park 400 Comment
  UCSC000872  Mimulus guttatus Peter Kamb 1947-6-7 580 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA586934  Mimulus palmeri D. L. Banks, Peter Morrell 1995-5-4 300 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia mtn., E of the Dripping Springs Alcove Area, along the Woodchuck Trail. 585 Comment
  JOTR16850  Mimulus pilosus Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BACKSIDE OF BARKER DAM 1310 Comment
  UCR154630  Mimulus pilosus A. C. Sanders, Mike Misenhelter 2005-6-15 31005 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
  UCR174342A  Mimulus pilosus A. C. Sanders 2006-5-19 32397 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
  CSUSB898  Mimulus puniceus Stan R. Szarek 1971-3-26 Riverside Elsinore. Collected alongside Highway 74, 5.1 miles from Riverside-Orange County line. Comment
  SFV11872  Mirabilis laevis R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR132705  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  UCR182994  Mirabilis laevis Mitch Provance 2003-5-5 4419 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SEINET3161593  Mirabilis laevis var. retrorsa N. H. Holmgren, P. K. Holmgren 1974-3-23 7475 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  UC217923  Mirabilis laevis var. retrorsa P. A. Munz and D. D. Keck 1922-4-14 5008 Riverside E of Whitewater Ranch; Colorado Desert 213 Comment
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Jan 14 2010
  SBBG1886  Mirabilis laevis var. villosa H. and M. Dearing 1941-3-7 Riverside bajada near Cathedral City Comment
  UCR200291  Mirabilis laevis var. villosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11232 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  CAS-BOT-BC434881  Mirabilis multiflora var. pubescens D. E. Breedlove 1961-9-11 1261 Riverside At Pinon Flats Campground along State Highway 74; Santa Rosa Mountains 1249 Comment
  JEPS26448  Mohavea confertiflora Peter H. Raven 1958-1-23 11432 Riverside Fargo Canyon Comment
  JOTR32905  Mohavea confertiflora La Doux, Tasha, Jim Andre 2009-3-10 389 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA408755  Mohavea confertiflora N. C. Cooper 1949-4-8 3300 Riverside Desert Center. 610 Comment
  RSA774304  Mohavea confertiflora Duncan S. Bell 2011-4-8 2197 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  RSA80251  Mohavea confertiflora F. W. Peirson 1928-3-10 7708 Riverside Hidden Spring, northern Colorado Desert. Comment
  UCSB7451  Mohavea confertiflora Sage, Paul 1958-3-22 Riverside on S side of U. S. 66; 6 mi. E. of Desert Center 274 Comment
  RSA0010771  Mollugo verticillata P. A. Munz 1919-3-25 2614 Riverside Beaumont. 610 Comment
  CDA6772  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  UCR193738  Monardella breweri subsp. lanceolata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35656 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA750314  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 129 Riverside San Jacinto Mts. Down the west slope trail from Round Valley. Comment
  UC1499816  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 119 Riverside trail to Suicide Rock (at the stream which crosses the trail, a short distance beyond the forks); San Jacinto Mts. Comment
  UCR221476  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  CAS-BOT-BC248286  Monardella robisonii A. C. Sanders; Mark Elvin; Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns: Split Rock, Joshua Tree National Park, north of Ruby VABM 4351 on west side of road 1296 Comment
  RSA176926  Monardella robisonii Peter H. Raven, David S. Verity 1960-6-5 15495 Riverside Salton View, Joshua Tree National Monument. Comment
  UCR123189  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24616 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  RSA96049  Monardella robisonii E. K. Balls 1954-8-4 19752 Riverside grown in Botanic Garden. Comment
  POM7906  Monoptilon bellioides P. A. Munz, R. D. Harwood 1920-4-4 3512 Riverside Pass south of Palm Springs. 152 Comment
  UC1259283  Monoptilon bellioides T. J. Watson Jr. 1970-3-25 370 Riverside 20 mi n Cottonwood Springs Ranger Station (along paved road through Joshua Tree National Monument); Joshua Tree National Monument Comment
  UCR141143  Monoptilon bellioides June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  JOTR00922  Monoptilon bellioides Sipe, Frank 1958-3-7 249 Riverside Joshua Tree National Park. NEAR CHOLLA PATCH Comment
  POM258907  Muhlenbergia microsperma E. C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. 365 Comment
  POM259729  Muhlenbergia microsperma E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA527847  Muilla maritima Scott D. White 1991-5-13 91 -116 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR110456  Myosurus minimus subsp. apus D. E. Bramlet 1998-4-22 2603 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  SD181816  Myriopteris clevelandii Scott D. White, Teresa Salvato 2001-6-8 8590 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 334 Comment
  SBBG9291  Nama demissa H. and M. Dearing 1941-4-9 4629 Riverside 8 mi S of Mecca Comment
  UC1595753  Nama demissa W. Wisura, J. Dolan, M. Wall 1992-3-24 4632 Riverside on Box Canyon Rd 13.1 mi ne Mecca (Lowdesert); ne of Mecca Comment
  UCR23564  Nama demissa John C. Roos 1966-3-26 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 mi SE of Desert Center 366 Comment
  RSA19236  Nama demissa var. deserti I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  UCSB5304  Nama depressa Van Leeuwen, Henry 1957-4-13 Riverside US. 60 near juncture with Cal. 195 Comment
  RSA544297  Navarretia atractyloides Steve Boyd, T. S. Ross 1991-6-14 6350 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
  SEINET238934  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 Riverside Menifee Valley: S of Newport Rd. 2 miles due east of railroad Canyon Lake (Romoland 7.5' Q.) 439 Comment
  UCR228736  Navarretia intertexta Jeremiah George 2011-8-8 s.n. Riverside Peninsular Range, north of Lake Elsinore and south of Nichols Rd. 395 Comment
  RSA65002  Nemacaulis denudata var. gracilis F. W. Peirson 1917-4-1 1780 Riverside Palm Springs. Comment
  POM316904  Nemacladus glanduliferus P. A. Munz 1930-5-1 11922 Riverside Morongo Valley. Comment
  RSA659773A  Nemacladus glanduliferus J. C. Roos 1947-3-15 3354 Riverside Mouth of Deep Canyon. Santa Rosa Mtns 366 Comment
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Apr 3 2011
  UCR139139  Nemacladus longiflorus John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  UCR260877  Nemacladus longiflorus A. C. Sanders 2015-3-30 41530 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon near Lee (Corona) Lake, 0.1 mi. SW of the dam, south of Temescal Canyon Rd., c. 11 miles SE of Corona 351 Comment
  SEINET10458391  Nemacladus longiflorus Barbara J. Ertter, Jeffrey Strachen 1979-6-26 Ertter 2976 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. T6N R3E Sec. 25 Comment
  SEINET10458422  Nemacladus longiflorus Philip A. Munz 1937-5-30 Munz 15088 Riverside Near Vandeverter Flat, Santa Rosa Mts. 1676 Comment
  RSA0126343  Nemacladus longiflorus var. longiflorus P. A. Munz 1922-4-28 5024 Riverside Temescal Canyon. Comment
  SD255694  Nemacladus orientalis A. C. Sanbders, E. J. Lawlor 1992-4-4 12118 Riverside McCoy Mountains within 0.5 mile of McCoy Spring. 244 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
  POM97115  Nemacladus pinnatifidus P. A. Munz 1925-5-20 9839 Riverside 2 miles west of Dripping Springs. 396 Comment
  SEINET4853073  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mountain, Colorado Desert. 150 Comment
  SEINET10972555  Nemacladus secundiflorus Atwood 1970-4-3 Atwood 2373 Riverside 37 miles north of Blythe on Highway 95 Comment
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  UCR889  Nemophila menziesii Rex Sanders 1973-4-21 s.n. Riverside Peninsular Range, Cajalco Road, 3 mi. west of Mockingbird Canyon Road, south of Lake Matthews 244 Comment
  RSA770860  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4928 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UC64047  Nemophila spatulata H. M. Hall 1901-7 2406 Riverside in meadows or along creeks of Tamarack Valley, San Jacinto Mountains San Jacinto Mountains, Tamarack Valley 2804 Comment
  RSA772851  Nerium oleander Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4840 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA426680  Nicotiana bigelovii var. wallacei Jeannette B. Edge 1934-3-25 18929 Riverside Jurupa Mountains. Comment
  RSA784771  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR178568  Nicotiana obtusifolia R. G. Swinney 1967-2-4 0010 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  UCD126680  Nicotiana obtusifolia Dan Axelrod 1932-3-20 s.n. Riverside exact location unknown. Comment
  RSA0060160  Nicotiana quadrivalvis Scott D. White, M. A. Patten 1995-8-16 3552 Riverside San Jacinto Valley. Just W of Hemet, valley floor and foothills at SE margin of Lakeview Mts. N of Florida Ave. (SR 74) and W of California Ave. 470 Comment
  RSA58889  Nolina parryi Philip A. Munz 1950-6-23 14919 Riverside 1.5 miles SE of Kenworthy, on road toward Coahuilla and Aguanga. 1524 Comment
  SD67899  Nolina parryi Reid Moran 1968-8-3 15374 Riverside W slope of Santa Rosa Mtn. 1750 Comment
  UC575034  Nolina parryi C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UCSB859  Nolina parryi Ralph, F. 1959-5-17 Riverside Across Hwy, 74 from Pinon Flats Campground about 15.1 miles south of Palm Desert City Limits 1219 Comment
  RSA686408  Notholaena californica L. C. Wheeler 1933-12-2 2306 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  SEINET7248436  Nymphaea odorata Kim Klementowski 2001-1 Riverside Cibola National Wildlife Refuge. 66 Comment
  LA206121  Oenothera avita subsp. avita Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  JEPS44055  Oenothera californica Carl V. Meyer 1929-6-18 768 Riverside Hemet Valley San Jacinto Mts. (floor) Comment
  RSA500111  Oenothera californica subsp. californica Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3661 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  POM96475  Oenothera californica subsp. californica P. A. Munz 1926-4-30 10375 Riverside Near Temecula. Comment
Read comments
Nov 17 2009
  POM355577  Oenothera deltoides subsp. deltoides M. B. Dunkle 1935-3-19 4400 Riverside Desert Center. 610 Comment
  UC162559  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5768 Riverside Bradley Canyon Colorado Desert 91 Comment
  RSA747802  Oenothera deltoides var. deltoides Justin M. Wood 2009-3-26 402 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  RSA784235  Oenothera micrantha var. exfoliata J. D. Olmsted 1962-5-1 427 -B Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto. 945 Comment
  UCR112589  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside Riverside, NE edge of UCR campus, east of A & I dorms and south of Watkins Dr., near Parking Services Bldg. 335 Comment
  RSA785415  Oenothera scapoidea Keith E. Hoffmaster 1933-4-15 467 Riverside Desert end Palms to Pines road. Comment
  RSA567652  Oligomeris linifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12095 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR151427  Oligomeris linifolia D. L. Banks, V. W. Steinmann 1997-3-13 1500 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
  UC1080224  Olneya tesota P. C. Everett and E. K. Balls 1958-5-7 23116 Riverside entrance to Box Canyon (Hwy 195, Mecca to Blythe) 198 Comment
  CAS-BOT-BC349926  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside Peninsular Range: city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  CAS-BOT-BC349931  Oncosiphon piluliferum John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  CAS-BOT-BC502100  Oncosiphon piluliferum R. E. Riefner, Jr. 2016-3-8 16 -62 Riverside City of Hemet area, N side of Hwy 74, vicinity of Steinhoff Ave. 519 Comment
  UCR250210  Oncosiphon piluliferum A. C. Sanders 2014-4-23 41060 Riverside Peninsular Range, Temescal Valley, between Temescal Canyon Rd. and I-15, NW of Bernard St. 373 Comment
  UCR263244  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41474 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  CAS-BOT-BC56837  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA311497  Opuntia engelmannii Lyman Benson 1963-6-20 16350 Riverside Wash at Cabazon. 488 Comment
  RSA296174  Opuntia engelmannii var. engelmannii B. A. Prigge 1980-8-5 3859 Riverside Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
  POM274016  Opuntia parryi Lyman Benson 1933-3-31 4147 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  SBBG87953  Opuntia polyacantha var. erinacea A. C. Sanders 1984-4-21 5019 Riverside Pinyon Flat S of Hwy 74 and W of the dolomite mine Comment
  NY9648  Orcuttia californica C. W. Thorne 1975-8-29 47312 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
  RSA357375  Orcuttia californica Christopher Davidson 1977-5-25 5650 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  UC1401346  Oreostemma alpigenum var. andersonii David B. Dunn 1946-8-17 2693 Riverside Taquitz Valley, meadow area near stream San Jacinto Mts., Tahquitz Valley 2438 Comment
Read comments
May 24 2012
  RSA740920  Orobanche californica subsp. feudgei Justin M. Wood, Brandy N. Ulrich 2008-7-14 18 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  JEPS121582  Orobanche cooperi Adam C. Schneider with Will Freyman 2014-2-15 415 Riverside West side of Highway 177. Comment
  JEPS85943  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  RSA0070484  Orobanche cooperi subsp. cooperi Christopher Davidson 1979-4-4 7707 Riverside Orocopia Mts. Box Canyon on Box Canyon Rd., 5.9 mi. E of Mecca. Narrow side canyon running south from Box Canyon. 304 Comment
  RSA198927  Orthocarpus densiflorus var. gracilis Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37582 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  RSA679171  Osmorhiza brachypoda Fred M. Roberts 2003-6-25 5938 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5km north summit. 1633 Comment
  UC2030130  Oxytheca caryophylloides Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38137 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Woods above James Reserve. Comment
  RSA192  Oxytheca trilobata J. T. Howell 1927-8-2 563 Riverside Idyllwild, near Strawberry Valley. San Jacinto Mts. Comment
  RSA757450  Oxytheca trilobata Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55191 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  CSUSB1064  Paeonia californica I. Rauch 1968-2-15 Riverside Santa Ana Mountains Santa Ana Mountains, Tin Mine Canyon Comment
  RSA434258  Paeonia californica N. C. Cooper 1947-4-5 2025 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA650116  Paeonia californica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  SDSU13605  Paeonia californica W. Miller, C. Mosse 1972-7-20 Riverside Comment
  UCR131802  Paeonia californica Mrs. D. R. Wolf 1932-3-20 19 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  UCR102716  Palafoxia arida B. G. Pitzer 1998-1-24 3402 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  POM320356  Palafoxia arida var. arida Virginia Morell 1969-3-29 4 Riverside Sand dunes 4 miles NE of Thousand Palms. 305 Comment
  POM6185  Palafoxia arida var. arida I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  UC665749  Palafoxia arida var. arida Ira L. Wiggins 1941-3-24 9573 Riverside slopes along eastern side of sea 2.7 mi s Mortmar; Salton Sea Comment
  UCR92357  Panicum capillare Scott D. White, S. Ogg 1994-10-17 2489 Riverside SW Perris Basin, Temecula: Murrieta Creek channel directly west of Cherry Street. 320 Comment
  RSA0020044  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6018 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  CAS-BOT-BC253898  Panicum urvilleanum A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16246 Riverside San Jacinto Mountains/San Gorgonio Pass: at the mouth of Snow Creek, between Highway 111 and Snow Creek Village, ca. 1 mile E of Snow Creek Road Comment
  SD262333  Papaver californicum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood. 2017-4-14 417 27 Riverside Peninsular Ranges: Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way (Romoland 7.5'Q) 591 Comment
  POM123212  Parietaria hespera var. hespera Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR33644  Parkinsonia aculeata Faulkner 1978-4-27 478 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  RSA0098482  Parkinsonia florida Marc A. Baker 2015-4-15 18328 Riverside San Gorgonio Pass, 8 km east of Banning, 30 km WNW of Palm Springs, 4 km WNW of Cabazon. 646 Comment
  SJSU5171  Parkinsonia florida L. M. Stotelmyre 1970-3-23 73 Riverside 8 km E of Indio Comment
  UCR163090  Parkinsonia florida B. G. Pitzer 2000-5-7 4143 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA700042  Parosela californica Anonymous 1929-12-26 s.n. Riverside Whitewater Comment
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Nov 9 2011
  PASA201  Parosela schottii Stason 1930-3-9 Riverside Painted Canyon Comment
  UCR19662  Paspalum distichum John C. Roos 1965-6-30 s.n. Riverside Perris-Aguanga Basin region, Perris Comment
  UCR85427  Paspalum vaginatum A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15885 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas) -37 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
  RSA92219  Pectis papposa F. W. Peirson 1937-11-27 12245 Riverside La Quinta, Coachella Valley. 0 Comment
  SEINET2054024 Image available Pectis papposa var. papposa E. R. Blakley 1963-9-18 6182 Riverside 2.7 miles west of Desert Center. 312 Comment
  UC2026451  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10049 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA0124035  Pectocarya heterocarpa Duncan S. Bell, LeRoy Gross 2016-3-10 8880 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
  RSA781652  Pectocarya heterocarpa Duncan S. Bell 2009-3-8 73 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  SEINET2043226 Image available Pectocarya heterocarpa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16125 Riverside Coachella Valley: Mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10 (White Water Quad 7.5') 329 Comment
  UCR20304  Pectocarya heterocarpa John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  VVC2876  Pectocarya linearis subsp. ferocula Tim Thomas, P. J. MacKay 2010-4-12 5021 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  CHSC163  Pectocarya penicillata G. Spurlock 1935-4-12 Riverside Redlands. [Label says 'Riverside Co.]. Comment
  UCR241683  Pectocarya penicillata T. B. Salvato 2013-3-22 7408 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  JOTR33868  Pectocarya platycarpa La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3054 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; rocky basalt slopes above Pinto Wash 377 Comment
  SD70779  Pectocarya recurvata D. B. Dunn, Shogo, Schroeder, Bruskin and Folsom 1948-3-13 3723 Riverside Indio Hills, Colorado Desert, near Pushawalla. Comment
  RSA757638  Pectocarya setosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4316 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
  RSA77817  Pectocarya setosa F. W. Peirson 1921-3-21 4059 Riverside Gordon Trail from Andreas Canyon, east base of the San Jacinto Mtns. 1067 Comment
  RSA771699  Pellaea andromedifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4695 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  SEINET7073394  Pellaea andromedifolia 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
  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
  CAS-BOT-BC71400  Pellaea mucronata Munz; Harwood 1920-2-28 3231 Riverside 2 mi. S.E. of Corona 274 Comment
  JOTR29614  Pellaea mucronata var. californica Andre, Jim 2006-4-26 6752 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  UCR207574  Pennisetum clandestinum O. F. Clarke 2004-6-18 s.n. Riverside Peninsuar Range; Box Springs Mtns. Foothills, Riverside, UCR campus, south of the Humanities Theater 324 Comment
  RSA599122  Pennisetum setaceum V. W. Steinmann 1996-3-16 812 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  UCR120159  Pennisetum setaceum Mitch Provance 1998-3-5 185 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  POM308419  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3101 Riverside Santa Rosa Mts. Comment
  RSA412457  Penstemon centranthifolius C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  RSA489134  Penstemon centranthifolius Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  UCD124083  Penstemon centranthifolius R. N. Raynor 1939-6-20 s.n. Riverside San Jacinto Mts., Coahuila. Comment
  RSA0030778  Penstemon clevelandii subsp. connatus I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  NY604276  Penstemon labrosus V. E. Grant 1951-7-20 16099 Riverside Idyllwild, San Jacinto Mountains 1645.9 Comment
  UCR20539  Penstemon rostriflorus W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA401810  Penstemon spectabilis Jack Rempel, Miller 1934-7-17 20188 Riverside San Jacinto. Comment
  RSA748227  Penstemon spectabilis T. Scott, A. Townesmith, K. M. Meyer 2007-3-18 134 Riverside San Bernardino National Forest. 1.0 mile up Little Thomas Mountain Rd. (Forest Road 6S13) just S of Lake Hemet from Rt. 74. 1409 Comment
  UCR251939  Penstemon spectabilis Harun Bektas 2011-4-26 11 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UC54996  Penstemon spectabilis var. spectabilis H. M. Hall May 17 1901-Jun 1 1901 1893 Riverside Coyote Canyon El Toro Mt. Comment
  CAS-BOT-BC239692  Penstemon thurberi Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  SBBG133365  Pentachaeta aurea S. D. White, J. M. Wood 2008-5-15 11987 Riverside Johnson Meadow, San Jacinto Mtns 1415 Comment
  UC489038  Pentachaeta aurea C. V. Meyer Jun 1927 184 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  LA204569  Peritoma arborea E. C. Parke; 1941-5-7 Riverside White Water Comment
  CAS-BOT-BC77484  Peritoma arborea var. angustata E. A. McGregor 1917-3-19 716 Riverside Indio Sands Comment
  RSA0118595  Perityle emoryi Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  SEINET2054110 Image available Perityle emoryi G. Helmkamp, E. Helmkamp 1998-1-17 2539 Riverside Box Canyon Road ENE of Mecca and on theNorth side of Coachella Canal. 0 Comment
  UCSB6665  Perityle emoryi Haller, John 1959-3-22 Riverside Immediately S. of Hwy. 60-70, 5.8 miles E. of Desert Center Comment
  CAS-BOT-BC418845  Persicaria hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon Comment
  JOTR35184  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  JEPS41240  Petalonyx thurberi W. L. Jepson 1927-4-13 11686 Riverside mouth of Painted Canyon Mecca Hills, Painted Canyon 45 Comment
  RSA445157  Petalonyx thurberi Gale Sphon 1955-5-21 s.n. Riverside Dead Indian Canyon, near Palm Springs, Riverside County Comment
  SEINET3005048  Petalonyx thurberi G. Rink 2011-4-25 10485 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 109 Comment
  SEINET3561306 Image available Petalonyx thurberi Lewis S. Rose 1938-10-19 38324 Riverside 6 miles south of Cathedral City. 46 Comment
  RSA0082903  Petalonyx thurberi subsp. thurberi Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang 2015-5-29 3121 Riverside Along 70th Ave. approx. 0.7 mi W of jct w/ Windward Dr. -37 Comment
  UCR260131  Petunia parviflora A. C. Sanders 2015-2-19 41249 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  CAS-BOT-BC326729  Peucephyllum schottii unspecified 1905-4-1 s.n. Riverside Coachella Comment
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Sep 3 2017
  JEPS20877  Peucephyllum schottii W. L. Jepson 1914-5-18 6023 Riverside on road from Pinyon Well to Indio (at County Well); Conchilla Mts. 304 Comment
  UCR279461  Peucephyllum schottii A. C. Sanders, Jim Malusa 2017-3-27 43105 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
  UCR60642  Peucephyllum schottii C. B. Wolf 1932-4-26 02980 Riverside Sonoran (Colorado) Desert, 8 mi east of Mecca, on Blythe Road 183 Comment
  RSA94110  Peucephyllum schottii F. W. Peirson 1930-3-29 8690 Riverside Colorado Desert. Painted Canyon, near Mecca. Comment
  SEINET7907969  Phacelia D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris and Lake Elsinore 488 Comment
  RSA129727  Phacelia ambigua H. S. Yates 1937-3-23 6409 Riverside 3 miles N of Palm Springs, San Jacinto Mts. 213 Comment
  RSA26586  Phacelia ambigua J. T. Howell 1928-3-24 3504 Riverside Near Palm Wash, 35 miles S of Indio and 5 miles W of Hwy Crumbly clay soil. Comment
  RSA678381  Phacelia ambigua Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10444 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
  JEPS1555  Phacelia brachyloba W. L. Jepson May 17 1901-Jun 1 1901 1282 Riverside near Strawberry Valley; Mt. San Jacinto, San Jacinto Canyon Comment
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Jul 8 2014
  CHSC707  Phacelia campanularia F. Hughes 1935-4-16 Riverside East of Indio, Colorado Desert. 30 Comment
  CLARK-A1045-211  Phacelia campanularia George K. Helmkamp 1979-4-18 Riverside Indio Hills along Dillon Road; Lost Horse Mtn. 15'Q Comment
  POM263071  Phacelia campanularia J. C. Roos 1937-4-18 678 Riverside Whitewater, Colorado Desert. Comment
  RSA427702B  Phacelia campanularia N. C. Cooper 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  SBBG28099  Phacelia campanularia D. Myrick 1964-4-30 828 Riverside Palms to Pines Hwy (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  UC131726  Phacelia campanularia subsp. vasiformis S. B. and W. F. Parish 1882-4-1 Riverside Morongo Comment
  UC68747  Phacelia campanularia subsp. vasiformis H. M. Hall Apr. 1905 5996 Riverside Cottonwood Pass Colorado Desert 670 Comment
  SDSU18751  Phacelia cicutaria var. hispida C. Matt Guilliams, Jeannine Ross 2008-3-5 490 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
  UCR215510  Phacelia cicutaria var. hispida Daphne K. Christopher, Hannah I. Stevens 2003-4-4 096 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR89879  Phacelia cicutaria var. hispida Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3338 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR104033  Phacelia crenulata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2736 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  CLARK-A1045-308  Phacelia crenulata var. ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  UCR216207  Phacelia crenulata var. ambigua Jim Andre, T. La Doux 2009-2-25 10831 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, along west side of Hwy 95 just south of Black Point, c. 15 miles north of Blythe 94 Comment
  RSA766669  Phacelia crenulata var. minutiflora Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 158 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  UC1595792  Phacelia crenulata var. minutiflora W. Wisura, J. Dolan, M. Wall 1992-3-25 4647 Riverside n I-10; Lowdesert, Ford Dry Lake, Hopkins Well Comment
  RSA0119989  Phacelia cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-13 9263 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  JOTR32914  Phacelia distans La Doux, Tasha, Jim Andre 2009-2-28 354 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  RSA339349  Phacelia distans Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54064 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA426208  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA426224  Phacelia distans Christopher Davidson 1973-4-19 1998 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA593994  Phacelia distans D. L. Banks, E. H. Banks 1996-5-2 938 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  SD38329  Phacelia distans Jack Rempel 1931-4-11 1976 Riverside Colorado Desert [SD 39386, collected on the same date, says Colorado Desert near Palm Springs Railroad Station] Comment
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Jul 11 2010
  SEINET3091906 Image available Phacelia distans John Adams 1965-5-9 207 Riverside NE side of San Jacinto Mountains, Palm Springs area, 1 mi. below tramway up Mount San Jacinto. Comment
  UC144133 Image available Phacelia douglasii var. cryptantha Charlotte M. Wilder 1908-3-28 873 Riverside sandy flat north of pond, Fairmount Park, Riverside, Cal. Comment
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 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. 561 Comment
  RSA428090  Phacelia minor E. Crow 1929-3-17 195 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR47234  Phacelia minor B. G. Pitzer, L. F. LaPre 1987-3-2 0441 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCSB5413  Phacelia minor Koran, Jr., John 1958-3-28 Riverside 13 miles North of Palm Springs on Highway 111 Comment
  POM13092  Phacelia mutabilis E. C. Jaeger 1921-6-14 s.n. Riverside Between Deep Creek and Gregg s Ranch. 1616 Comment
  RSA0042826  Phacelia pedicellata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6252 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR47745  Phacelia suaveolens subsp. keckii Percy C. Everett 1935-6-18 7205 Riverside Santa Ana Mtns., Coldwater Canyon Trail, c. 2 mi below Main Divide Motorway 1220 Comment
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Jul 21 2018
  UCSB5434  Phacelia tanacetifolia Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 60-70 at N edge of Orocopia Mts. Comment
  CLARK-A1528-5060  Phacelia vallis-mortae John C. Roos 1937-4-18 679 Riverside Mount San Jacinto 487 Comment
  UCR2656  Phalaris caroliniana F. M. Reed 1938-5-14 10120 Riverside Perris-Aguanga Basin Region, alkaline flat SE of Perris 427 Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  UC23901  Phlox austromontana H. M. Hall 1898-6-27 949 Riverside El Toro Peak San Jacinto Mts. 2651 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
  SEINET5764664 Image available Phoradendron bolleanum N. Cooper 1943-9-11 897 Riverside East side of San Jacinto Mountains. 1219 Comment
  POM14077  Phoradendron californicum Philip A. Munz, D. D. Keck 1922-4-14 4992 Riverside Indian Wells 107 Comment
  SBBG1373  Phoradendron californicum K. K. Muller 1957-4-13 801 Riverside 12 mi W of Desert Center Comment
  UCR148051  Phoradendron californicum Steve Boyd, Et al. 2004-5-14 11299 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCSB1314  Phoradendron californicum Graney, Don 1953-3-22 Riverside Morango Canyon, Colorado Desert Comment
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May 15 2016
  UCR94061  Phoradendron densum Duayne Haselfeld 1996-7-2 4264 Riverside San Jacinto Mtns., Pinyon Flat Area, north of Hwy 74, c. 10 road miles east of jct. w/ Hwy 371. W facing slope of Sugerloaf Mtn. and adjacent valley 1400 Comment
  CAS-BOT-BC135183  Phoradendron juniperinum John B. Leiberg 1898-3-17 3150 Riverside near Strawberry Valley 1700 Comment
  CAS-BOT-BC171154  Phoradendron serotinum subsp. tomentosum P. A. Munz; E. K. Balls 1952-8-21 17969 Riverside Hamilton Canyon, SE end of San Jacinto Mountains 1432 Comment
  RSA423827  Physalis crassifolia E. C. Jaeger 1922-4-9 821 Riverside Chucawalla Well, Colorado Desert of California. 259 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
  CAS-BOT-BC78470  Pinus contorta subsp. murrayana F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCSB16195  Pinus coulteri Lockwood, Leo 1963-5-4 Riverside Roadside, 2 mi. south of Black Mountain Road on Banning-Idyllwild Road, R 1 1219 Comment
  JEPS47921  Pinus lambertiana W. L. Jepson 1903-8-5 2264 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1737 Comment
  SBBG99806  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside transition from desert to Joshua Tree Nat Monument 1219 Comment
  RSA221042  Piperia cooperi E. W. Lathrop 1966-5-8 6479 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CAS-BOT-BC257635  Plagiobothrys canescens A. C. Sanders; Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  RSA656541  Plagiobothrys canescens A. C. Sanders 2000-5-25 23422 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR230198  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-29 39361 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UCR121810  Plagiobothrys collinus A. C. Sanders, Carolyn Washburn 2001-4-17 24058 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR152648  Plagiobothrys collinus A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR174156  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32597 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR183005  Plagiobothrys collinus Mitch Provance 2003-5-5 4404 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR250909  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-18 41025 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  POM13639  Plagiobothrys collinus var. fulvescens P. A. Munz 1922-6-30 5912 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA679813  Plagiobothrys collinus var. fulvescens LeRoy Gross, Valerie Soza 2003-5-8 835 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR92102  Plagiobothrys collinus var. fulvescens D. L. Banks, Steve Boyd 1995-6-2 0567 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside County boundary, c. 1/4 mi south of the clay grasslands in S32 890 Comment
  RSA713570  Plagiobothrys leptocladus R. E. Riefner Jr. 2005-4-22 5 -241 Riverside Patton Rd. at Patterson Ave. 452 Comment
  RSA613474  Plagiobothrys tenellus D. L. Banks, Victor Steinmann 1997-3-13 1447 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  CLARK-A1045-154  Plagiobothrys undulatus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  UCR155053  Plagiobothrys undulatus Jason L. Hlebakos 2005-5-18 700 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  UCR266816  Plagiobothrys undulatus Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 09 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  SD262338  Plantago elongata Mitch Provance, Jeremiah George, Matt K, Beyers, John Hazlett 2017-3-29 317 24 Riverside Elsinore Trough: Periodic E shoreline of Lake Elsinore (e.g. 1994) in the City of Lake Elsinore, A+- borderline with the Sedco Hills Neighborhood, City of Wildomar, in open space along W side of Mission Trail at Lewis St. (Lake Elsinore 7.5'Q) 387 Comment
  POM4545  Plantago erecta Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCR158253  Plantago erecta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30103 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
  UC1595751  Plantago ovata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4638 Riverside 1.9 mi s I-10 (on rd to Corn Spring) Comment
  UC1595788  Plantago ovata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4626 Riverside 7.7 mi ne Mecca (on Box Canyon Rd) Comment
  UC731777  Plantago ovata Forrest Shreve 1937-3-12 7903 Riverside 6 mi ne Desert Center Comment
  UCR103577  Plantago ovata George K. Helmkamp 1998-1-17 2543 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR214167  Plantago ovata T. B. Salvato 2010-4-20 4065 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR274848  Plantago ovata David Fraker, Aaron C. Sedgwick 2012-4-5 077 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  RSA676150  Plantago ovata var. fastigiata Scott D. White 2001-4-12 8312 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
  UCD150032  Plantago ovata var. fastigiata G. Ledyard Stebbins 1966-1 64- 135 Riverside Above Palm Springs. Comment
  UC455178  Platanthera leucostachys I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 2590 Comment
  CLARK-A1045-869  Platystemon californicus George K. Helmkamp 1978-6-1 #4 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  JEPS51598  Platystemon californicus W. L. Jepson 1901-5-27 1470 Riverside Cahuilla Valley Comment
  JOTR31183  Platystemon californicus La Doux, Tasha, G. Clifton 2009-5-14 1980 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UCR132499  Platystemon californicus Michael D. Wilcox, Nathan Moorhatch 2003-4-4 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 396 Comment
  UCR16435  Platystemon californicus Joe Buriel 1966-3-26 s.n. Riverside Peninsular Range, Robb Road [=Lake St.], 1 mi south of Temescal Canyon Road, 2 mi northwest of Lake Elsinore, near RR tracks 427 Comment
  UCR262241  Platystemon californicus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3709 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
  UC677602  Pleuraphis rigida A. A. Beetle 1942-4-22 3183 Riverside Rt. 60 and 70, 5 mi e Shaver's Summit; e of Shaver's Summit Comment
  RSA0011629  Pleuraphis rigida J. Russell Bruff s.n. Riverside 3 mi. south of Garnet Comment
  RSA695628  Pleurocoronis pluriseta J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  SBBG8448  Pleurocoronis pluriseta H. and M. Dearing 1938-3-6 1968 Riverside Painted Cyn, near Mecca Comment
  UC63366  Pleurocoronis pluriseta H. M. Hall May 17 1901-Jun 1 1901 1871 Riverside Palm Canyon 457 Comment
  UCSB17336  Pleurocoronis pluriseta Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
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Mar 1 2014
  CAS-BOT-BC326536  Pluchea sericea H. M. Hall 1901-6-8 2018 Riverside Canyon of the San Jacinto River, San Jacinto Mountains 762 Comment
  JEPS40437  Pluchea sericea W. L. Jepson May 17 1901-Jun 1 1901 1375 Riverside Palm Canyon and return to Van Deventer's Comment
  RSA652890  Pluchea sericea John Wallace, Steve McNabb 1991-5-5 8 Riverside Approximately one mile south of Thompsons Camp. Comment
  RSA621503  Poa annua D. L. Banks 1997-11-15 2198 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  CAS-BOT-BC254571  Poa fendleriana subsp. longiligula H. M. H. 1901-5-17 1913 Riverside Santa Rosa Mountain 2590 Comment
  UCR164301  Poa pratensis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  CLARK-A1528-4836  Poa scabrella John C. Roos 1937-5-1 Riverside Badlands Comment
  JOTR34480  Poa secunda subsp. secunda Andre, Jim 2012-4-16 20961 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  RSA772838  Poa secunda subsp. secunda Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4726 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 W116.65120 604 Comment
  CAS-BOT-BC428030  Poaceae L. Nye; G. Gust 2005-3-11 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 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
  UCR189815  Polygala cornuta var. fishiae Theresa Johnson 2006-7-7 221 Riverside Peninsular Range, Santa Ana Mountains, 0.2 mi North of Orange County border. Just north of Indian Truck Trail. Along SE edge of road at base of rock wall 1063 Comment
  POM224747  Polygonum hydropiperoides P. A. Munz 1935-10-21 14652 Riverside Santa Ana River, below Rincon. Comment
  UC582926  Polygonum hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside below Rincon; Santa Ana River Comment
  UCR220308  Polygonum lapathifolium 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
  UCR82881  Polygonum punctatum A. C. Sanders, P. J. MacKay 1994-10-23 15851 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  SEINET6050850  Polygonum ramosissimum Unknown 1955-6-10 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA588816  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  SEINET10538904  Populus fremontii David B. Dunn, A. Folsom 1948-6-17 Dunn 3812 Riverside By quad one. At camp in pushawalla canyon under palms. Comment
  SEINET10932113  Populus fremontii David B. Dunn 1946-3-17 Dunn 2101 Riverside At pushawalla palms by the springs. Indio hills. Comment
  SD157475  Populus trichocarpa Bill Knerr 1998-7-1 Riverside S16 (Pala Road) junction with Rainbow Heights Road, 3.4 miles south of Hwy 79. Comment
  CAS-BOT-BC356160  Porophyllum gracile Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2206 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA506841  Porophyllum gracile Steve Boyd 1985-7-23 s.n. Riverside De Luz Rd., 3.5 mi west of jtn with Tenaja Trail. Comment
  RSA613642  Porophyllum gracile D. L. Banks, Victor W. Steinmann 1997-3-13 1477 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA709851  Porophyllum gracile Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4630 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR158144  Porophyllum gracile A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30095 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
  UCR20507  Potamogeton diversifolius F. M. Reed 1908-7-12 2515 Riverside San Jacinto Mtns., Margin of Lake Surprise [=Hidden Lake] 2744 Comment
  RSA180483  Potamogeton foliosus E. W. Lathrop 1960-6-9 4971 Riverside 14 miles west of Murrieta. Comment
  RSA736642  Prosopis glandulosa Scott D. White, Justin M. Wood 2007-4-11 11649 Riverside San Bernardino Mountain foothills: San Gorgonio River wash, west side of Bluff St. Comment
  CAS-BOT-BC206988  Prosopis glandulosa var. torreyana Mrs. E. C. Van Dyke 1928-1-1 s.n. Riverside Coachella Comment
  CAS-BOT-BC206991  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA502501  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3721 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  SD229162  Prosopis glandulosa var. torreyana Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 887 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  SD229258  Prunus emarginata Dick Schwenkmeyer 2012-9-20 836 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  CAS-BOT-BC158287  Prunus fasciculata var. fasciculata Lester Rowntree 1937-4-1 s.n. Riverside North of Cottonwood Springs Comment
  CAS-BOT-BC158295  Prunus fasciculata var. fasciculata Peter H. Raven 1958-5-5 12892 Riverside Split Rock, Joshua Tree National Monument Comment
  HSC99161  Prunus fasciculata var. fasciculata Paul J. CaraDonna 2009-3-17 132 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  UCR244386  Prunus fasciculata var. fasciculata Jim Andre 2012-4-16 20967 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UCSB41269  Prunus fremontii Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct. w/ Hwy 111 at Indian Wells. Whittaker transect #W-220 (voucher). 950 Comment
  CAS-BOT-BC154438  Prunus ilicifolia Carl B. Wolf 1932-5-25 3666 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. Just above fish hatchery 670 Comment
  UCR114953  Prunus ilicifolia D. E. Bramlet 1999-4-10 2734 Riverside Bachelor Mountain. North facing slope 152m northwest of the peak on a steep, bouldery face of the mountain and within the large drainage area found on this slope, approximately 1.5km north of Lake Skinner 726 Comment
  UCR22038  Prunus ilicifolia Steve Boyd 1980-6-4 316 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA650387  Prunus ilicifolia C. J. Humphrey 1936-6-7 134 Riverside [No location information provided.] Comment
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Dec 15 2011
  SBBG27203  Prunus virginiana var. demissa I. W. Clokey, E. C. Anderson 1935-8-21 Riverside W of Poppet Flat 1200 Comment
  RSA263880  Psathyrotes ramosissima C. W. Tilforth 1976-7-20 1212 Riverside Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Colorado Desert. Comment
  UC1929958  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  JEPS23585  Pseudognaphalium californicum Peter H. Raven 1958-5-17 12953 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  SD140193  Pseudognaphalium californicum Scott White 1993-3-15 1191 Riverside Elsinore: Highway 74, just west of northwest corner of Lake Elsinore. Alluvial wash in Dickey Canyon. Comment
  SDSU13559  Pseudognaphalium microcephalum W. Miller with C. Mosse 1972-8-9 Riverside Bank of road leading to top of plateau above river, north of. Comment
  RSA356743  Psilocarphus brevissimus R. F. Thorne 1973-5-23 45521 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  CDA29439  Psorothamnus arborescens var. minutifolius Mike Lahti 2009-7-8 PDR# 1501732 Riverside In east Hemet; found along a ditch bank. 0 Comment
  SEINET3133952  Psorothamnus arborescens var. simplicifolius S. B. Parish 1907-4-3 6108 Riverside W border of the Colorado Desert 150 Comment
  SFV9415  Psorothamnus arborescens var. simplicifolius M. L. Vincent, R. H. Swade 1963-10-19 457 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  RSA498335  Psorothamnus emoryi Elizabeth A. White 1928-04 s.n. Riverside Road to Mecca beyond Palm Springs. Comment
  CAS-BOT-BC340870  Psorothamnus schottii Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  HSC25801  Psorothamnus schottii Richard Spjut 1972-3-13 2255 Riverside Colorado Desert: Along Hwy. 74 at the E base of the San Jacinto Mts., 5 mi. W of Palm Desert 610 Comment
  RSA404244  Psorothamnus schottii Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  POM295543  Psorothamnus schottii Lyman D. Benson 1979-3-28 13575 Riverside Was at E end of PInes to Palms Hwy just above junction of palm springs- indio road. 305 Comment
  SEINET7453014  Psorothamnus schottii H. M. Hall 5990 Riverside Colorado Desert, near Indio 30 Comment
  UCR177848  Psorothamnus spinosus Marisa Sripracha, K. A. Boyd 2004-2-14 034 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  GMDRC6574  Pteridium aquilinum var. pubescens J. M. Andre 2012-6-15 30531 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  UC218099  Pterospora andromedea P. A. Munz 1922-7-6 6009 Riverside Fern Valley San Jacinto Mts. (upper part, foot of zig-zag to Tahquitz Valley) 1828 Comment
  UCR136271  Pterostegia drymarioides A. C. Sanders 2004-4-20 27551 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR272880  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 Riverside Colorado (Sonoran) Desert, southwestern section of the Orocopia mountains, spring in the southern section of the Dos Palmas area -41 Comment
  JOTR31181  Purshia tridentata var. glandulosa La Doux, Tasha, G. Clifton 2009-5-14 1978 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UC72988  Purshia tridentata var. tridentata M. F. Gilman 1904-1 13 Riverside Banning Comment
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Mar 13 2011
  RSA561412  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA192170  Quercus agrifolia E. W. Lathrop 1959-4-2 4442 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range. Comment
  UCR158896  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR214579  Quercus agrifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37846 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCR270755  Quercus agrifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8368 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 424 Comment
  UC847819  Quercus agrifolia var. oxyadenia P. A. Munz 1922-7-3 5955 Riverside Vandeventer Flat San Jacinto Mts. 1371 Comment
  CAS-BOT-BC520374  Quercus berberidifolia Jeremiah George 2012-8-8 080812 -01 Riverside Moreno Badlands: San Timoteo Canyon, S of El Casco So. Calif. Edison substation, W side of San Timoteo Creek, W of dirt SCE line across road 655 Comment
  SD254630  Quercus berberidifolia Mitch Provance 2012-1-25 17378 Riverside Badlands of Western Riverside County; San Timoteo Canyon, SW end along SCE powerline access road between El Casco Substation and Hwy 60. 654 Comment
  UCR214682  Quercus berberidifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37712 B Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, along dirt road north of Concordia Ranch Rd, and east of Black Powder Rd. 379 Comment
  UCR250002  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  JEPS37489  Quercus chrysolepis W. L. Jepson 1903-8-5 2266 Riverside above Strawberry Valley; San Jacinto Mt. 1676 Comment
  NY201962  Quercus cornelius-mulleri J. B. Walker 1995-5-3 1408 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  SD129201  Quercus engelmannii B. Pitzer 1988-6-8 1046 Riverside Rancho California area, avocado grove south of Avenida del Oro, just past Calle Capistrano Comment
  SDSU6976  Quercus kelloggii Sammuel R. Frank 1962-5-23 Riverside San Jacinto Mountains. Comment
  SFV889  Quercus kelloggii P. G. Kilburn 1958-5-30 830 Riverside San Jacinto Mountains Mount San Jacinto, 5 miles north of Idlewild. Fern Basin Campground. 1890 Comment
  RSA87149  Quercus palmeri F. W. Peirson 1922-5-20 3016 Riverside Upper end of Hemet Valley 1463 Comment
  UCR111529  Quercus palmeri A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22280 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  UC56657  Quercus wislizeni H. M. Hall 1902-4-17 2879 Riverside above Johnston Ranch; San Jacinto Mts. 1524 Comment
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  CLARK-A1528-2908  Quercus wislizeni var. frutescens John C. Roos 1947-1-4 3196 Riverside Box Springs Mountains 487 Comment
  UCR209657  Quercus wislizeni var. wislizeni Fred M. Roberts, Robt. L. Allen 2008-6-23 7049 Riverside Santa Ana Mountains, Santiago Peak, eastern slope, Main Divide Truck Trail, at the junction with Coldwater Trail, 1.5 km east-northeast of the summit of the peak 1479 Comment
  UCSB27946  Quercus wislizeni var. wislizeni Gill, Robert 1960-3-23 Riverside Snow Canyon, near end of road, San Jacinto Mts. 563 Comment
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  UCSB7398  Rafinesquia neomexicana Beeks, R. 1953-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  UCSB9752  Rafinesquia neomexicana Haller, John 1957-3-23 Riverside Morongo Wash, ca. 4.5 road miles N. of U.S. 99, & 3 air miles S of Riverside-San Bernardino Co. line 609 Comment
  SEINET7063426  Ranunculus californicus A. G. Vestal 1947-3-30 s.n. Riverside West of Cahuilla Valley on Route 371. UTM Zone 11, 519809mE, 3708775mN. (WGS84/NAD83). 1045 Comment
  CAS-BOT-BC74228  Raphanus sativus T. Winfield 1975-5-3 s.n. Riverside Perris Dam - Base of Dam. Comment
  UCR24944  Rhamnus californica A. C. Sanders 1980-7-18 1642 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  JEPS42076  Rhamnus ilicifolia C. V. Meyer Jun 1927 164 Riverside San Jacinto mt. 1706 Comment
  RSA740829  Rhamnus tomentella subsp. cuspidata Scott D. White, Justin M. Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  POM12426  Rhododendron occidentale var. californicum P. A. Munz 1922-9-6 6383 Riverside North fork of Tahquitz Creek; San Jacinto Mts. 2210 Comment
  UCR19136  Rhus aromatica John C. Roos 1948-5-15 3831 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  CAS-BOT-BC167973  Rhus ovata Carl B. Wolf 1932-5-24 3643 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  LA62860  Rhus ovata Victor Duran; 1933-7-3 3498 Riverside SANTA ROSA MOUNTAINS, 2 mi E of Pinyon Flat. 1066 Comment
  RSA502189  Rhus ovata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3715 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  UCR41364  Rhus ovata N. M. Fellows 1985-3-16 103 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UCR90748  Rhus ovata Scott D. White 1995-4-5 2751 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA586155  Ribes amarum D. L. Banks, Steve D. Boyd 1995-3-30 120 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  JEPS49431  Ribes cereum W. L. Jepson 1903-8-8 2320 Riverside Log Cabin, on upper trail San Jacinto Peak 2438 Comment
  RSA562614  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  RSA717839  Ribes indecorum T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 132 Riverside Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04. 1128 Comment
  SD137739  Ribes indecorum Darin L. Banks, Steve Boyd 1995-2-16 47 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Woodchuck Trail. 730 Comment
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Mar 2 2013
  SEINET13942523 Image available Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-1 23111 Riverside 10 miles N of Pala, along road to Elsinore Comment
  RSA441493  Ribes malvaceum var. viridifolium Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA0022094  Ribes montigenum George R. Johnston 1928-9-3 s.n. Riverside Mt. San Jacinto summit. 3294 Comment
  RSA524470  Ribes quercetorum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-5-3 4073 Riverside Vail Lake area, upper branches and adjacent slopes of E flank of Big Oak Mtn, just S of the E summit. 610 Comment
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Feb 22 2013
  UC50166  Romneya coulteri H. P. Chandler 1898-5-16 Riverside Corona Comment
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Jul 4 2010
  RSA740246  Rorippa curvisiliqua Scott D. White, Justin M. Wood 2008-7-9 12409 Riverside Johnson Meadow 1415 Comment
  RSA789413  Rorippa curvisiliqua Naomi Fraga, Erin Tripp, Tom Kerrin-Torres, Michael Wall 2008-10-16 2614 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  UCR25953  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  UC519954  Rosa californica Louis C. Wheeler 1931-10-4 204 Riverside Strawberry Valley San Jacinto Mts. 1584 Comment
  UCD113773  Rubus armeniacus Robert F. Thorne; Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60640 Riverside Santa Rosa Plateau, at Santa Rosa Ranch headquarters. 563 Comment
  POM122727  Rubus ursinus Marcus E. Jones 1925-3-13 s.n. Riverside Santa Ana Canyon. Comment
  RSA357125  Rumex conglomeratus Robert F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37605 Riverside Lake Elsinore: Behind levee at SE end of lake Elsinore, ca. 1 mi. S of Elsinore. Comment
  UCR89820  Rumex dentatus Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) andc. 0.25 mi south of the San Jacinto River 430 Comment
  UCR136273  Rumex salicifolius A. C. Sanders 2004-4-20 27562 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR200688  Rumex salicifolius Steve Boyd, Aydee Virgen 2004-4-13 10846 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA586050A  Sagina decumbens D. L. Banks, Steve Boyd 1995-3-30 0131 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  UC64163  Sagina saginoides H. M. Hall June 1901 Riverside San Jacinto Mts., Fuller's Mill Mts., Box Spring 1615 Comment
  UCR150986  Sagina saginoides L. C. Wheeler 1961-6-20 7894 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  POM3991  Salazaria mexicana I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. 457 Comment
  UCR35341  Salazaria mexicana L. B. Ziegler 1967-6-8 152 Riverside San Jacinto Mtns., Pinyon Flats 1223 Comment
  RSA0011880  Salazaria mexicana Lee Haines 1954-5-16 Riverside Pines-to-Palms Hgw., west slope of Deep Canyon. 1158 Comment
  CAS-BOT-BC103899  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  POM319273  Salix exigua Patricia Wilder 1971-3-20 4905 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA444572  Salix exigua Walter Wisura 1988-3-23 4216 Riverside 49 Palms oasis, Joshua Tree National Monument. Comment
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Aug 25 2013
  LA208648  Salix exigua var. hindsiana Carl Hedin; Joseph Ewan 1932-7-9 7676 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  SBBG29056  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-13 602 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Eiverside 240 Comment
  UC437342  Salix exigua var. hindsiana S. B. Parish 1918-4-3 11702 Riverside Oak Sedge; San Jacinto River Canyon 914 Comment
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Nov 20 2011
  POM319271  Salix gooddingii Patricia Wilder 1970-10-30 4829 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. 152 Comment
  UC914197  Salix laevigata Charles B. Fiker 1946-4-2 3359 Riverside road dip s of Temecula bridge (on Hwy. 395) Comment
  UC914202  Salix laevigata Charles B. Fiker 1946-4 3354 Riverside road dip s. of Temecula bridge (on Hwy. 395, at upper end of sand pit next to fence) Comment
  UCR140561  Salix laevigata Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 63 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR150023  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  POM319101  Salix lasiolepis Patricia Wilder 1971-3-20 4910 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA171357  Salix lasiolepis J. D. Olmsted 1962-5-3 3531 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  UCR91734  Salix lasiolepis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18106 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCR5944  Salix lutea var. watsonii David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, Lake Fulmor, between road and lake Comment
  RSA289820  Salsola tragus B. A. Prigge 1980-9-16 4035 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  RSA444940  Salsola tragus H. de Forest 1924-07 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA411313  Salvia apiana N. C. Cooper 1948-5-13 2840 Riverside Devil's Garden. 244 Comment
  UC883863  Salvia carduacea C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4624 Riverside Perris to Gavilan Peak 600 Comment
  RSA554430  Salvia columbariae Theo Glenn 1992-3-31 92 -6 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  RSA67305  Salvia columbariae G. R. Campbell 1951-4-22 16053 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1372 Comment
  RSA676116  Salvia columbariae Scott D. White 2001-4-3 8253 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCD125516  Salvia columbariae C. L. Hitchcock 1966-3-15 24155 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR208348  Salvia columbariae O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  CAS-BOT-BC221088  Salvia eremostachya Peter H. Raven 1958-5-18 13000 Riverside Along State Highway 74, 4.9 miles north-east of Pinon Flats [Pinyon Flat], San Jacinto Mountains Comment
  RSA446316  Salvia greatae Robert Gustafson 1981-4-7 2147 Riverside West end of Salt Creek Wash, above Dos Palmas Spring, southern flank of the Orocopia Mts. El. ca. 150'. 46 Comment
  RSA699687  Salvia greatae J. Mark Porter, Orlando Mistretta 2003-6-5 13621 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  SFV4251B  Salvia greatae W. A. Emboden, Jr. May 1963 s. n. Riverside Colorado Desert Between Chocolate Mountains and Orocopia Mountains at base of outwash plains. 245 Comment
  OBI74592  Salvia mellifera David J. Keil 1983-4-15 16901 Riverside E of Temecula on SR79 Comment
  UCR213599  Salvia mellifera A. C. Sanders, Matthew Malle 2010-4-23 37987 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  VVC296  Salvia mellifera 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
  CSUSB691  Sambucus mexicana I. Rauch 1968-5-14 Riverside Santa Ana Mountains Santa Ana Mountains Comment
  RSA618391  Sambucus mexicana D. L. Banks 1997-5-5 1972 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
  UC889777  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  UCR174520  Sambucus mexicana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32495 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET3083226 Image available Sambucus nigra subsp. canadensis Marc Mittleman 1982-5-25 Riverside Gentry Exp. Farm, Los Alamos Rd. Murietta 366 Comment
  SDSU13913  Sanicula arguta Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2067 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  RSA747959  Sanicula bipinnatifida Justin M. Wood 2009-5-11 708 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA781360  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UCR108995  Sanicula bipinnatifida D. L. Banks 1997-3-29 1566 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  RSA543951  Sanicula crassicaulis Steve Boyd, Orlando Mistretta 1991-5-9 6183 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA586127  Sanicula crassicaulis D. L. Banks 1995-4-11 170 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, E of the Dripping Springs Trail. 950 Comment
  UCR138654  Sanicula crassicaulis D. L. Banks 1997-4-5 1665 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR129891  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  LA88446  Sarcostemma cynanchoides subsp. hartwegii O. H. Kappler; 1945-6-15 874 Riverside Temescal Canyon, 5 mi. NW of Elsinore Comment
  LA202891  Sarcostemma hirtellum Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  UC56920  Saxifraga californica H. M. Hall 1902-4-26 2992 Riverside near Riverside (Box Springs Mountain); Box Springs Mountain Comment
  UCR262269  Schinus molle A. C. Sanders 2006-5-13 32276 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR165815  Schismus arabicus John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  RSA676102  Schismus barbatus Scott D. White 2001-4-3 8265 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  SD152982  Schismus barbatus Steve Boyd, Tim Ross 1992-2-21 6661 Riverside San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Cyn south 853 Comment
  UCD93252  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  UCR102747  Schismus barbatus B. G. Pitzer 1998-2-1 3447 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR116509  Schismus barbatus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20656 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
  UCR56086  Schismus barbatus J. A. Adams 1966-3-12 440 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  RSA366084  Schoenoplectus maritimus C. Epling, Joseph A. Ewan 1933-06 s.n. Riverside South shore Lake Elsinore. Comment
  CLARK-A1528-5564  Scirpus olneyi John C. Roos, Lucille Roos 1952-6-10 5762 Riverside Riverside 259 Comment
  UC27614  Scrophularia californica Geo. F. Reinhardt Riverside San Jacinto Valley Comment
  RSA425201  Scrophularia californica subsp. floribunda Bonnie C. Templeton, I. W. Clokey 1930-4-15 1480 Riverside North of Gavilan Peak. 550 Comment
  RSA749051  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  RSA761227  Scutellaria siphocampyloides Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 730 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR20546  Scutellaria siphocampyloides W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA85934  Selaginella bigelovii Frank W. Peirson 1920-2-15 1530 Riverside Murray Canyon near Palm Springs Comment
  UC306716  Selaginella bigelovii I. M. Johnston 1918-4-3 1824 Riverside s end Juniper Flat; Lakeview Mts. 609 Comment
  UCR9  Selaginella bigelovii Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  SEINET6837678  Selaginella bigelovii Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West of Perris, Gavilan Hills. Comment
  UCR125715  Selaginella cinerascens Denise Woodard 2001-1 s.n. Riverside Nichols Reservoir, Skunk Hollow Hills 488 Comment
  SEINET7063442  Senecio A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  SEINET2054637 Image available Senecio californicus Dave Hawks 1986-4-16 Riverside Alta Mesa wind turbine field, on the ridge abvove Whitewater Canyon, W of Bonnie Berll. (Whitewater UTM 10 km cell: NH-N5, E3) Comment
  SEINET6659386  Senecio californicus R. L. Piemeisel 1914-2-23 3816 Riverside Crestmore field.; 0 Comment
  POM319672  Senecio flaccidus var. douglasii Patricia Wilder 1971-9-29 5264 Riverside Base of San Jacinto. Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. 518 Comment
  SEINET2054672 Image available Senecio flaccidus var. douglasii B. Pitzer 1986-5-24 245 Riverside Whitewater Canyon, ca. 5 mi N of US I-10 on Whitewater Canyon Rd. From N edge of Hatchery to ca 1/4 mi N of hatchery boundary 731 Comment
  UCR133412  Senecio flaccidus var. douglasii Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 319 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR235081  Senecio flaccidus var. douglasii A. C. Sanders, John F. Green 2012-6-1 40232 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  JOTR16613  Senecio flaccidus var. monoensis Moore, Sue 1968-3-25 s.n. Riverside Joshua Tree National Park. 731 Comment
  JOTR01288  Senecio flaccidus var. monoensis Cole, James E. 1941-5-21 754 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 914 Comment
  CAS-BOT-BC364135  Senecio mohavensis Forrest Shreve 1937-3-12 7902 Riverside East base Coxcomb Mts. Comment
  RSA709853  Senecio mohavensis Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4633 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  SEINET6692556 Image available Senecio monoensis Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains. 1036 Comment
  SEINET2055018 Image available Senecio vulgaris Unknown 1965-4-22 Riverside 2800 Mary Street, Victoria Village Shopping Center, Riverside 262 Comment
  RSA0093798  Senna armata Jim M. Andre 2012-4-11 20725 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  UC68551  Sesuvium verrucosum H. M. Hall Apr. 1905 5968 Riverside Paloverde Valley; Colorado Desert, Paloverde Valley 76 Comment
  UCR275529  Sesuvium verrucosum A. C. Sanders, Karen Kirtland 2016-9-23 42631 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  RSA724104  Setaria adhaerens R. E. Riefner 2005-10-7 5 -723 Riverside City of Riverside, residential lots along Elderwood Ct. at Tequesquito Ave. 237 Comment
  UCR113880  Setaria gracilis Mitch Provance 2000-6-24 2060 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR2739  Setaria pumila F. M. Reed 1904-7-31 57 Riverside South Coast; San Bernardino Valley, Riverside, Santa Ana River above Salt Lake Bridge 244