Search Results — 2000 specimen records retrieved (1878 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229021  Abies concolor Dick Schwenkmeyer 2012-9-20 835 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  UCSB12  Abies concolor Bobkowski, Jr., Vincent 1960-5-14 Riverside At Black Mountain Camp, San Bernardino National Forest Comment
  CAS-BOT-BC229317  Abronia villosa Mrs. Robert Campbell 1921-11-26 10 Riverside Palm Springs Comment
  CAS-BOT-BC229343  Abronia villosa W. R. Dudley 1903-12-30 s.n. Riverside Near Thousand Palms Comment
  CAS-BOT-BC229358  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin Comment
  SEINET3092160 Image available Abronia villosa D. Hoover 1986-4-7 777 Riverside South of Morongo Valley; main canyon at the BLM gate. 549 Comment
  UCD109831  Abronia villosa Rudolf Schmid 1962-4-29 s.n. Riverside Near Sunrise Way and Ramon Street, Palm Springs. Comment
  POM9907  Abronia villosa E. C. Jaeger 1921-11-15 s.n. Riverside Morongo Pass Comment
  CAS-BOT-BC310319  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  POM746  Abronia villosa var. aurita Jenkins, Steele 1917-5-30 1935 Riverside San Jacinto. Comment
Read comments
Mar 1 2014
  RSA764467  Abronia villosa var. aurita Doris Bowers 1972-4-15 1826 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  SEINET946027  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-1 6609 Riverside Hemet. 500 Comment
  UCR94253  Abronia villosa var. aurita Scott D. White 1996-4-14 3913 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA461179  Abronia villosa var. villosa N. C. Cooper 1949-4-8 3232 Riverside Mecca Pass east of Indio. 549 Comment
  RSA414905  Acacia greggii N. C. Cooper 1944-5-20 2632 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  POM308627  Acamptopappus sphaerocephalus var. sphaerocephalus Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3222 Riverside Near Indio. Comment
  RSA346618  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54033 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  UC218165  Acamptopappus sphaerocephalus var. sphaerocephalus P. A. Munz, I. M. Johnston 1922-5-6 5172 Riverside on dry gravelly soil near Whitewater San Gorgonio Pass 304 Comment
  RSA714959  Achnatherum hymenoides Sarah J. De Groot, J. Mark Porter 2006-3-14 5198 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  RSA757742  Achnatherum speciosum LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 s.n. 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
  UC1133244  Achnatherum speciosum A. Lewis 1933-4-2 181 Riverside San Jacinto quadrangle Comment
  UCSB1845  Achyronychia cooperi Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone; Aqueduct Road 5 mi. east of Garnet; Coachella Valley 304 Comment
  SD133091  Acmispon argophyllus var. argophyllus Scott White 1991-5-13 91 98 Riverside Hwy 79 immediately west of US Forest service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  OBI5743  Acmispon micranthus Charlotte M. Wilder 2004-4-26 61 Riverside Wilder's Canon Jurupa Hill Comment
  JOTR36015  Acmispon rigidus Harding, Mitzi, T. Herskovits 2012-3-16 222 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA0117927  Acmispon rigidus Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7635 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  SD152856  Acmispon strigosus Steve Boyd 1992-4-15 6857 Riverside Santa Ana Mountains, San Mareo Canyon Wilderness Area, Bluewater Canyon along Bluewater Trail downstream to the confluence with san Mateo Creek, open benches 334 Comment
  SD181519  Acmispon strigosus Scott D. White 2000-5-30 7971 Riverside Corona foothills, ca. 1 mile southeast of the I-15/El Cerrito Road junction adjacent to new houysing construction, alluvial terraces with steep, incised channels. This robust plant in a burned area. 334 Comment
  RSA192322  Acourtia microcephala H. A. Zuill 1966-6-21 234 Riverside 1 mile SW of Murrieta near Cole Canyon. Comment
  JOTR32975  Adenophyllum porophylloides La Doux, Tasha, A. Miller 2008-10-8 2856 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  RSA718578  Adenophyllum porophylloides Michael Honer, L. Hulse 2004-4-3 1897 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SBBG18424  Adenophyllum porophylloides M. A. Piehl 1963-6-1 63533 Riverside St Hwy 74, ca. 7.6 mi NE of Pinyon Flat Cmpgrd, S of Palm Desert 731 Comment
  UC495325  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside dry rocky wash in Snow Creek Canyon; San Jacinto Mts. 457 Comment
  UCR174151  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32526 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR230931  Adenostoma fasciculatum T. B. Salvato, Richard Camacho 2011-6-12 5487 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA453181  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road 1372 Comment
  RSA79036  Adenostoma sparsifolium E. K. Balls, Percy C. Everett 1952-11-18 18254 Riverside 200 yards east of Santa Rosa summit. 1494 Comment
Read comments
Jun 30 2012
  CAS-BOT-BC69647  Adiantum capillus-veneris Elmer I. Applegate 1892-4-23 829 Riverside E. Riverside. Comment
  RSA687680  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside Andreas Canyon 457 Comment
  UCR240630  Agoseris retrorsa Tracy Tennant, Mitch Provance 1998-6-16 MOR- 401 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UC1130644  Agrostis alba H. S. Yates 1936-8-29 6374 Riverside Idlewild San Jacinto Quadrangle Comment
  SEINET4339740  Agrostis exarata H. M. Hall 1897-8-20 862 Riverside San Jacinto Mountains 1585 Comment
  RSA720504  Agrostis idahoensis Naomi Fraga, et al. 2006-7-11 1714 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA343883  Aira caryophyllea S. Meury, Walter Wisura, E. W. Lathrop 1985-5-18 60656 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  RSA600768  Allionia incarnata C. Epling, Wm. Stewart 1936-9-1 s.n. Riverside Chuckwalla Valley: Desert Center. Comment
  RSA701165  Allionia incarnata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11227 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
  RSA776248  Allionia incarnata Duncan S. Bell 2010-3-20 633 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR148041  Allionia incarnata Steve Boyd, Et al. 2004-5-14 11227 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
  RSA778399  Allionia incarnata Amber Swanson 2011-10-9 650 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  JOTR34306  Allionia incarnata var. incarnata Andre, Jim 2012-4-11 20720 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  UCR88538  Allium fimbriatum A. C. Sanders 1995-4-13 16487 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UCSB24425  Allium fimbriatum Kimsey, M. 1966-5-8 Riverside Along Pinyon Flats Campground road, 400 yds. east of its junction with Hwy. 74, 10 mi. south of junction of Hwy. 71 and Hwy. 74 1219 Comment
  SEINET10532711  Allium fimbriatum Cooper 1944-5-20 Cooper 1237 Riverside Pinyon flats, palms to pines hwy. San jacinto mountains. Under shrubs. Flowers Reddish purple. Stems short 1219 Comment
  OBI18921  Allium haematochiton David J. Keil, Malcolm McLeod 1979-3-18 12972 Riverside Alberthill Jctn along hwy 71 366 Comment
  UCR174121  Allium haematochiton A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32612 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC472714  Allium lacunosum var. lacunosum S. Mashayekhi; S. Boyd; M. Biabani 2008-4-15 SM 011 Riverside E. of Elsinore Peak Comment
  RSA747571  Allium munzii Michael Honer 2003-4-11 1822 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 600 m NE and downslope of peak 2349 . 640 Comment
  UC1544768  Allium munzii Steve Boyd 1986-4-22 1781 Riverside just w of third powerline tower n of summit of Estelle Mt. Gavilan Hills, Estelle Mt. 841 Comment
Read comments
Oct 26 2011
  RSA543160  Allium peninsulare Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6090 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA543598  Allium peninsulare Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6130 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  RSA543864  Allium peninsulare Steve Boyd, David E. Bramlet 1991-5-13 6250 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  UCR139151  Allophyllum S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  UCR16653  Allophyllum divaricatum Frances McKinley 1968-5-4 680305- 4 Riverside San Jacinto Mtns., slope 2.8 mi up Banning-Idylwild Road on S side 915 Comment
  LA210330  Allophyllum glutinosum Harlan Lewis; Elizabeth McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  RSA0120471  Amaranthus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 s.n. Riverside Santa Rosa Mountains; east side of the range; between Toro Canyon and Martinez Canyon; on Van Buren Street in the community of 100 Palms or Valerie, in an agricultural field between 66th and 67th Streets. -16 Comment
  POM14623  Amaranthus albus H. Baer 1922-9-10 s.n. Riverside Lee Lake, Temescal canyon Comment
  SDSU13826  Amaranthus blitoides W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR282158  Amaranthus cruentus R. E. Riefner Jr. 2017-5-18 17- 259 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  CLARK-A1528-1397  Amaranthus fimbriatus John C. Roos 1946-9-14 3019 Riverside Asbestos Mountain 1097 Comment
  UC1563107  Amaranthus retroflexus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3662 B Riverside Temecula Creek canyon, below the dam Vail Lake Area 457 Comment
  UCD128668  Amauriopsis dissecta J. C. Roos 1946-8-24 2923 Riverside Santa Rosa Mountains. 2286 Comment
  RSA608587  Ambrosia R. S. Woglum 1935-04 623 Riverside Palm Springs. Comment
Read comments
Aug 27 2011
  RSA692220  Ambrosia acanthicarpa Scott D. White 2003-10-9 9826 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  HSC78666  Ambrosia dumosa R. F. Thorne, Drs. Fosberg, Herbst, Sachet 1983-4-23 55425 Riverside Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge, in sandy wash E of bridge, and on base of W-facing slope of ridge 412 Comment
  IRVC730  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-5-30 SJ 84 Riverside Above Palm Desert. Sonoran Desert/Santa Rosa mtns 305 Comment
  JEPS40973  Ambrosia dumosa W. L. Jepson 1928-4-25 12588 Riverside The driest and most arid hills Cottonwood Spring; Colorado Desert, Joshua Tree National Monument, Eagle Mounta 731 Comment
  LA26697  Ambrosia dumosa William Shapeero; 1954-4-28 Riverside Joshua Tree National Monument Comment
  POM195887  Ambrosia dumosa Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  UC68912  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside near Mule Springs; Colorado Desert Comment
Read comments
Sep 11 2011
  UC219179  Ambrosia ilicifolia P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4782 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  SDSU13506  Ambrosia psilostachya W. Miller with C. Mosse 1972-7-13 Riverside west of M.W.D. Station. Comment
  CAS-BOT-BC273038  Ambrosia salsola Geo. B. Grant 1906-5-1 609 -6736 Riverside Colorado Desert at Palm Springs Comment
  LA203748  Ambrosia salsola Martha Hilend; 1929-3-24 sn -a Riverside Thousand Palms Comment
  UC12059 Image available Amelanchier utahensis H. M. Hall May 1899 Riverside e end Thomas Valley; San Jacinto Mountains 1517 Comment
  UCR277746  Ammannia coccinea Mitch Provance 2011-7-29 17035 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  SEINET3218584 Image available Amorpha fruticosa var. occidentalis Lynn Baasch 1971-5-24 Riverside Santa Ana River bed 1/4 mi S. E. of U.P.R.R. bridge. Comment
  CSUSB987  Amsinckia intermedia Osman 1976-4-26 S-76 44 Riverside 4 miles west of freeway 395, along Van Buren Blvd., near March Air Force Base 274 Comment
  UCD119702  Amsinckia intermedia R. L. Smith 1948-3-24 s.n. Riverside Foot of Murray Canyon. Comment
  UCR155313  Amsinckia intermedia A. C. Sanders 2005-5-4 29845 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR163424  Amsinckia intermedia B. G. Pitzer 1998-1-25 3423 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  UCR84587  Amsinckia menziesii Scott D. White, S. Ogg 1994-4-21 1969 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SDSU18987  Amsinckia menziesii var. menziesii C. Matt Guilliams, Jeannine Ross 2008-3-12 532 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. 428 Comment
  UC455990  Amsinckia menziesii var. menziesii I. J. C. O. Edwards 1908-5-31 Riverside Estudillo Rancho; San Marguerita Comment
  JOTR30962  Amsinckia tessellata var. tessellata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1937 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM13624  Amsonia brevifolia var. tomentosa E. C. Jaeger 1921-4-1 60 Riverside One Thousand Palms Canyon. Colorado Desert of California. Comment
  SD68968  Anagallis minima Robert F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37576 Riverside Santa Rosa Plateau: marsh on Mesa de Colorado, Rancho California 671 Comment
  UCR77590  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6135 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UC29527  Antennaria rosea H. M. Hall 1897-7-22 718 Riverside Round Valley San Jacinto Mt., Round Valley 2834 Comment
  RSA735853  Anthemis cotula Scott D. White, Justin M. Wood 2008-4-15 11876 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UCR77709  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  RSA516426  Antirrhinum coulterianum T. Hayduk 1990-5-2 4433 Riverside Ortera Hwy. at lower switchbacks above Lake Elsinor, in burned area Comment
  UCR135991  Antirrhinum coulterianum Virginia Moran 2003-4-30 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR281002  Antirrhinum coulterianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 57 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  JEPS16181  Antirrhinum filipes Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4043 Riverside 3 mi n Shavers Summit (close to head of Los Palms Canyon); Joshua Tree National Monument 762 Comment
  RSA221092  Antirrhinum kelloggii E. W. Lathrop 1966-3-23 6080 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  SEINET3078505 Image available Antirrhinum multiflorum Rodney Hendrick 1965-5-2 s.n. Riverside In shady area 6 mi west of Aguanga on Hwy. 71. 610 Comment
  RSA543158  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6088 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA525273  Apiastrum angustifolium Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4587 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA612928  Apiastrum angustifolium D. L. Banks 1997-3-29 1648 B Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  UCR183003  Apiastrum angustifolium Mitch Provance 2003-5-5 4406 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR260558  Apiastrum angustifolium T. B. Salvato 2015-4-2 8102 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  RSA0125972  Arabis R. F. Thorne, Walter Wisura 1977-9-17 50773 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA477448  Arabis glaucovalvula E. C. Jaeger 1922-4-22 s.n. Riverside Keyes Ranch. Comment
  UCR178346  Arabis sparsiflora Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1051 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  POM354172  Arceuthobium campylopodum N. Cooper, Paul C. Silva 1943-9-11 923 Riverside Idyllwild Comment
Read comments
Oct 22 2011
  RSA629138  Arctostaphylos Jon E. Keeley 1992-7-16 16561 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629429  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16854 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  CAS-BOT-BC23116  Arctostaphylos glandulosa subsp. glandulosa Frank W. Gould 1943-4-18 2134 Riverside On mountain slopes 8 miles east of Idlewild. Comment
  SDSU18344  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-21 371 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 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
  RSA192299  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1966-3-2 6047 Riverside 12 miles NW of Murrieta, Skyline drive road at junction of Wildomar & Los Alamos truck trails. 426 Comment
Read comments
Jan 1 2007
  HSC85394  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Rd. Comment
  SEINET10627175  Arctostaphylos glauca Greg Gust, Leith Nye 2005-3-11 Gust 551 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC1506090  Arctostaphylos glauca R. T. Clausen 1963-4-21 63056 Riverside summit of ridge between Weber Valley and Reed Valley; Transverse Ranges Comment
  POM310591  Arctostaphylos glauca var. glauca G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  POM367326  Arctostaphylos glauca var. glauca Ora M. Clark 1929-4-6 1953 Riverside South of Hemet. Comment
  RSA633531  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20130 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633559  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21785 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633690  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16664 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633752  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21787 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA635306  Arctostaphylos patula Jon E. Keeley 1992-11-11 22539 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  RSA720445  Arctostaphylos patula Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1696 Riverside East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 Comment
  POM367417  Arctostaphylos pringlei subsp. drupacea Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  RSA635686  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16828 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  RSA70867  Arctostaphylos pringlei subsp. drupacea F. W. Peirson 1921-3-21 2386 Riverside Gordon Trail from Andreas Canyon, east base of San Jacinto Mts. 1829 Comment
  SBBG5480  Arctostaphylos pringlei subsp. drupacea M. Van Rensselaer 1937-7-23 Riverside San Jacinto Mtns 1859 Comment
  CAS-BOT-BC46341  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Above Hemet Valley, San Jacinto Mts. 1676 Comment
  RSA635804  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16543 Riverside Red Mountain Road, 8.7 km east of R3. 1000 Comment
  RSA78244  Arctostaphylos pungens P. A. Munz, E. K. Balls 1952-8-21 17965 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  SD229132  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 670 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA635997  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21606 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  RSA636030  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15051 Riverside Rainbow Canyon Rd., 2.5 km south of Pala Rd. 390 Comment
  SD136855  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Cleveland Nat'l Forest, southern Santa Ana Mtns., San Mateo Canyon Wilderness Area 349 Comment
  CAS-BOT-BC401605  Argemone corymbosa subsp. corymbosa J. H. Thomas 1949-4-23 455 Riverside 9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice Comment
  UC1040944  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-8-7 2178 b Riverside 13.2 mi se of Idyllwild (Hemet Valley); Hemet Valley 1371 Comment
  UCR16460  Argemone munita Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Graham Pass Road, about 25 km from Chuckwalla Bench 450 Comment
  UCR41215  Argemone munita N. M. Fellows, A. C. Sanders 1985-4-9 136 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
  CAS-BOT-BC202504  Argythamnia serrata John Thomas Howell 1928-1-30 3308 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  CAS-BOT-BC137664  Aristida adscensionis S. B. Parish 1912-10-8 8274 Riverside Salton Basin. New Schoolhouse, Indio. -6 Comment
  CLARK-A1528-4464  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Mt. Rubidoux 365 Comment
  HSC34949  Aristida adscensionis R. W. Spjut 1972-2-1 2164 Riverside Colorado Desert, N base of Chuckawalla Mts., 3 to 4 mi. S of Desert Center 305 Comment
  JOTR32426  Aristida adscensionis La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2212 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UCD56399  Aristida adscensionis Lewis S. Rose 1945-12-27 45337 Riverside Colorado Desert, Cathedral City. 152 Comment
  UCD56515  Aristida purpurea P. B. Kennedy 1921-10-28 s.n. Riverside Mt. Rubidoux. Comment
  SEINET10513118  Aristida purpurea var. fendleriana David Griffiths 1905-7-20 Griffiths 8008 Riverside 1 mile east of Baurring. Comment
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Sep 3 2017
  RSA0097962  Aristida purpurea var. parishii Duncan S. Bell 2014-11-14 7711 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  UCR54264  Aristida purpurea var. parishii A. C. Sanders, E. J. Lawlor 1988-10-22 8727 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  RSA385032  Aristida purpurea var. purpurea N. C. Cooper 1944-5-19 1291 Riverside Banning. 701 Comment
  UCR117105  Aristida ternipes var. gentilis A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  CLARK-A1528-4491  Aristida wrightii John C. Roos 1938-8-7 582 Riverside San Jacinto River 701 Comment
  POM10298  Artemisia douglasiana F. M. Reed 1903-10-24 17 Riverside Cold water canyon above dam, near Riverside Comment
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Apr 7 2011
  RSA588818  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 0771 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
  UCR21159  Artemisia dracunculus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  SD144068  Artemisia tridentata Scott D. White 1992-12-16 981 Riverside Vail Lake area: about 9 air miles E of Aguanga (jtn Hwys 371 and 79) and 3 air miles N of Beauty Mtn Pk. 1370 Comment
  SBBG5693  Asclepias albicans K. K. Muller 1958-3-22 923 Riverside 5.5 mi E of Desert Center Comment
  SD259960  Asclepias albicans J. Andre 2012-4-11 20788 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Sutah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky (granitic) hills and large wash. 729 Comment
  RSA401647A  Asclepias californica N. C. Cooper 1944-7-15 1597 Riverside Palms to Pines Hwy. 1463 Comment
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Nov 22 2011
  SBBG50860  Asclepias californica R. S. Woglum 1937-5-22 531 Riverside Temecula Comment
  UCR117684  Asclepias californica V. W. Steinmann, D. L. Banks 1997-3-13 1199 Riverside Agua Tibia Mtns., N of Hwy 79 on the low hills just east of Dripping Springs alcove and west of Lake Marina Road. 550 Comment
  UC22973  Asclepias eriocarpa Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  CLARK-A1528-1463  Asclepias fascicularis John C. Roos 1941-10-24 5333 Riverside Riverside 228 Comment
  CDA39815  Asclepias subulata W. E. Henson Nov 1937 s.n. Riverside Blythe. 0 Comment
  JEPS5077  Asclepias subulata W. L. Jepson 1928-4-23 12547 Riverside Shaver Well Colorado Desert Comment
  UCR12209  Asclepias subulata O. F. Clarke 1969-11-22 s.n. Riverside Sonoran (Colorado) Desert, 4.5 mi. east of North Palm Springs, Coachella Valley 290 Comment
  UCR72211  Asclepias subulata Theo Glenn 1991-5-2 91- 126 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  RSA708639  Aspidotis californica Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10786 Riverside Santa Rosa Plateau area, northwest of Squaw Mtn. Terminus of Via Ranchero at San Diego County line. 823 Comment
  UCR77565  Aspidotis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-2 6637 Riverside Santa Ana Mtns, Cleveland National Forest. Upper San Mateo Canyon between the confluence of Tenaja Canyon and Los Alamos Canyon 427 Comment
  CLARK-A1528-5500  Aster spinosus John C. Roos 1965-7-5 Riverside Blythe Comment
  RSA21765  Astragalus aridus C. B. Wolf 1937-4-6 8437 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  CAS-BOT-BC182588  Astragalus didymocarpus var. dispermus John Thomas Howell 1928-3-11 3440 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  RSA781909  Astragalus didymocarpus var. dispermus Duncan S. Bell 2010-5-1 899 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  CAS-BOT-BC178450  Astragalus douglasii var. parishii H. M. Hall 1899-5-21 1117 Riverside San Jacinto Mts. 1828 Comment
  CAS-BOT-BC178456  Astragalus douglasii var. parishii John Thomas Howell 1927-8-2 2912 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  POM19604  Astragalus douglasii var. parishii Mary F. Spencer 1923-6-29 2194 Riverside Idyllwild 1646 Comment
  RSA594523  Astragalus douglasii var. parishii D. L. Banks, Rashmi Pant 1996-5-13 1028 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. 499 Comment
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Jun 4 2014
  SEINET10490024  Astragalus douglasii var. parishii Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7140 Riverside Scattered yellow pine at margin of large valley, 5.9 mi se of jct of idlewild Road and hwy 74 on 74. Comment
  UC1547005  Astragalus insularis var. harwoodii Leila M. Shultz, John S. Shultz 1985-4-15 8391 Riverside at Wiley's Well Road between McCoy and Mule Mountains (Chuckawalla Valley depression); , bet McCoy and Mule Mountains 121 Comment
  CLARK-A1528-454  Astragalus lentiginosus var. coachellae Charlotte Stocks 1963-3-27 Riverside Coachella Valley Comment
  LA204980  Astragalus lentiginosus var. coachellae Harlan Lewis; 1937-3-7 sn Riverside White Water 304 Comment
  UC128577  Astragalus lentiginosus var. coachellae Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  POM250336  Astragalus lentiginosus var. coachellae I. W. Clokey, B. C. Templeton 1930-4-9 4710 Riverside North of Palm Springs, Colorado desert. 170 Comment
  RSA415715  Astragalus pachypus var. jaegeri H. M. Hall 1897-4-18 477 Riverside Beaumont Comment
  UCR262560  Astragalus pachypus var. jaegeri James Hughes 2015-6-19 s.n. Riverside San Jacinto Mountains, Rouse Ridge, along FS Rd. 5S15/Rouse Hill Truck Trail c. 4 road miles south of Cranston Guard Station 893 Comment
  UCR35359  Astragalus pachypus var. jaegeri L. B. Ziegler 1968-3-27 268 Riverside San Jacinto Mtns, base of the Mtns., on the Poppet Flats Road 610 Comment
  CAS-BOT-BC192756  Astragalus palmeri Edmund C. Jaeger 1921-4-13 s.n. Riverside Entrance to Martinez Canon [Canyon], Colorado Desert Comment
  RSA415418  Astragalus palmeri Mark Morris 1929-3-17 14926 Riverside Palm Canyon. Comment
  SD87602  Astragalus palmeri F. W. Peirson 1921-3-23 4752 Riverside Santa Rosa Mountains, Deep Canyon 334 Comment
  CAS-BOT-BC194138  Astragalus pomonensis C. L. Hitchcock; C. V. Muhlick 1962-3-16 22158 Riverside Temescal Canyon, ca. 12 mi. s.e. of Corona Comment
  UCR107895  Astragalus pomonensis G. F. Pratt 1997-3-11 s.n. Riverside March Air Force Base, Cactus Ave., c. 1 mi. west of 215 Fwy & south of Assesandro Blvd. 518 Comment
  UCR111598  Astragalus pomonensis Mitch Provance 1998-4-8 1773 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR238090  Astragalus pomonensis Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2048 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  CAS-BOT-BC193174  Astragalus sabulonum Edmund C. Jaeger 1921-4-13 s.n. Riverside Martinez Canon [Canyon], Colorado Desert Comment
  SBBG56269  Athyrium filix-femina var. cyclosorum R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  CLARK-A1528-2295  Athysanus pusillus John C. Roos 1947-3-21 3363 Riverside Reche Canyon Comment
  RSA516886  Athysanus pusillus Steve Boyd 1986-3-1 1373 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR116070  Athysanus pusillus O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR20810  Athysanus pusillus A. C. Sanders 1980-4-17 1343 Riverside San Jacinto Mtns, Pine Meadow in upper Garner Valley 1433 Comment
  JOTR36436  Atrichoseris platyphylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3407 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UCR207995  Atriplex argentea N. C. Cooper 1943-10-9 955 Riverside Hemet 305 Comment
  POM318800  Atriplex canescens Patricia Wilder 1971-11-17 5321 -a Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  RSA5455  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  RSA696736  Atriplex canescens J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
  UCR113603  Atriplex canescens A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23673 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  POM184644  Atriplex canescens var. laciniata L. C. Wheeler 1931-11-27 379 Riverside 2 miles SE of Salton Bench Mark. -76 Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  RSA157775  Atriplex canescens var. laciniata Lawrence T. McHargue 1962-10-6 s.n. Riverside Thousand Palms Oasis. 168 Comment
  RSA773114  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-10-7 673 Riverside Hwy 177. N of Desert Lily Sanctuary. Palen Valley. 274 Comment
  RSA125961  Atriplex canescens var. linearis E. K. Balls, P. C. Everett 1957-11-5 22757 Riverside Just S. of Thermal, State Hwy. 111 30 Comment
  RSA532569  Atriplex coronata var. notatior D. E. Bramlet 1991-5-2 2113 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
  SD138894  Atriplex coronata var. notatior Craig Reiser 1996-5-9 Riverside Hemet; near California Street Comment
  UCR24121  Atriplex coronata var. notatior John C. Roos 1965-6-30 s.n. Riverside Perris-Aguanga Basin region, Perris Comment
  UCR66971  Atriplex coronata var. notatior D. E. Bramlet 1990-6-13 2034 Riverside Perris-Aguanga Basin region, c. 600 m SE of the San Jacinto Wildlife area, in dry duck ponds 2 km east of Davis Road. Population found beside a dirt road c. 100 m NE of an existing dog kennel. 473 Comment
  UCR70516  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2180 Riverside San Jacinto Valley, San Jacinto River, 3 km west of Nuevo, and c. 20 m east of the river, about 300 m south of the end of 11th Street 473 Comment
  SEINET5585510  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-1 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy. 74 S to Temescal Wash. 393 Comment
  CAS-BOT-BC170261  Atriplex hymenelytra John Thomas Howell 1928-1-28 3289 Riverside Thousand Palms, Colorado Desert Comment
  OBI17313  Atriplex hymenelytra H. E. McMinn 1937-3-6 5014 Riverside River road about 40 mi N of Blythe Comment
  RSA0042832  Atriplex hymenelytra Duncan S. Bell, Deidre Conocchioli 2014-3-18 6246 Riverside Orocopia Mountains; southern section of range; Gucci Spring. 416 Comment
  UCR129808  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio 177 Comment
  CAS-BOT-BC176531  Atriplex polycarpa John Thomas Howell 1928-11-4 4085 Riverside Wash in lower part of Hidden Spring [Canon] Canyon, 11 miles se. of Mecca, Chocolate Mts. Comment
  RSA65378  Atriplex polycarpa F. W. Peirson 1927-11-25 s.n. Riverside Thousand-Palm Canyon, edge of Coachella Valley. Comment
  UCD97797  Atriplex serenana K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  RSA522086  Atriplex suberecta Steve Boyd, Timothy S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  IRVC5339  Avena barbata Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  RSA516752  Avena fatua Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR41799  Avena fatua A. C. Sanders 1986-4-13 6466 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA496469  Avena fatua Steve Boyd 1989-3-19 3047 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  SEINET5510176 Image available Ayenia compacta Annie M. Alexander, Louise Kellogg 1941-1 2236 Riverside Eagle Mountains, Monsen Canyon 823 Comment
  RSA741420  Azolla filiculoides Justin M. Wood 2008-12-2 257 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR89706  Baccharis brachyphylla J. M. Stewart 1990-10-28 668 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  CLARK-A1528-1621  Baccharis emoryi John C. Roos 1951-9-25 5285 Riverside Fairmont Park 259 Comment
  SEINET10617173  Baccharis emoryi David B. Dunn 1946-2-22 Dunn 1945 a Riverside Collected on north side of Whitewater, in Colorado Desert. Comment
  IRVC9315  Baccharis glutinosa Charles Leavell 1966-2-9 7 Riverside Santa Ana Canyon: off Highway 91, 200 yards east of the Riverside-Orange county line, on northeast slope. Santa Ana Mountains 213 Comment
  JOTR29284  Baccharis salicifolia La Doux, Tasha 2003-9-4 1574 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1280 Comment
  RSA544385  Baccharis salicifolia Steve Boyd 1991-6-14 6400 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
  RSA612776  Baccharis salicifolia Darin L. Banks, Victor Steinmann 1997-3-13 1426 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
  SD37249  Baccharis salicina Darley F. Howe 1945-10-20 1353 Riverside Between Orange and Corona Comment
  SD60247  Baccharis sarothroides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells, Little San Bernardino Mountains 1220 Comment
  SD229072  Baccharis sergiloides Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 886 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  UC1303135  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Wells Little San Bernardino Mts., Conchilla Mts. 1219 Comment
  CAS-BOT-BC99956  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  RSA27474  Baileya pauciradiata I. L. Wiggins 1941-3-27 9687 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SBBG65724  Baileya pauciradiata L. Rowntree 1930-5-8 Riverside cyn S of Deep Cyn Comment
  SD5792  Baileya pleniradiata Frances Keys 1929-6-28 Riverside Palm Springs; Desert Queen Ranch. Comment
  UC724347  Baileya pleniradiata Aven Nelson, Ruth A. Nelson 1939-3-30 3339 Riverside between Mecca and Blythe, hwys 60 and 70 Comment
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Feb 3 2011
  UCR156472  Barbarea orthoceras T. B. Salvato, A. C. Sanders 2005-5-17 887 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
  SBBG60788  Bebbia juncea M. N. Ackley 1928-3-31 234 Riverside Hidden Spring Cyn 182 Comment
  UCR167365  Bebbia juncea 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
  JOTR31818  Bebbia juncea var. aspera La Doux, Tasha, Bill Truesdell 2007-11-9 2524 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  UCR241957  Bebbia juncea var. aspera A. C. Sanders, John F. Green 2012-3-21 39983 Riverside Peninsular Range; Gavilan Hills, Good Hope area, along powerlines south of the dirt extension of Ethanac Rd. and north of Eugene St., near S end of Richland Ln. 494 Comment
  CSUSB2  Beloperone californica I. S. Singh 1972-4-21 S.N. Riverside Colorado Desert West and north edges of Colorado Desert. Sea level. Comment
  RSA452617  Berberis Anstruther Davidson 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  CLARK-A1528-2274  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 487 Comment
  CLARK-A1528-5634  Berberis nevinii John C. Roos 1948-2-21 3772 Riverside San Timoteo Canyon Comment
  RSA102341  Bernardia incana S. B. Parish, W. F. Parish 1882-03 752 Riverside Borders of the Colorado Desert, Whitewater. Comment
  RSA276745  Bernardia incana John F. Emmel 1978-2-27 589 Riverside Eagle Mountains; canyon 0.4 air mile due South of Conejo Well. 1067 Comment
  RSA751085  Beta macrocarpa A. C. Sanders 2008-4-15 34892 Riverside NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 383 Comment
  SD146038  Bidens laevis A. C. Sanders, Mitch Provance, and B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley; southwest side of Mt. Rubidoux, northwest of intersection ot Tequesquite Ave. and Gregory Road. 231 Comment
  CLARK-A1528-3076  Bloomeria crocea Mark Wilson 1980-5-30 7 Riverside San Timoteo Canyon Comment
  CAS-BOT-BC16261  Boechera glaucovalvula Annie M. Alexander; Louise Kellogg 1941-4-29 2103 Riverside Joshua Tree National Monument. 13 miles southwest of 29 Palms. 1371 Comment
  JOTR32410  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 2 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  JOTR34997  Boerhavia wrightii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3099 Riverside Joshua Tree National Park. Pinto Basin, Route 111, north of sand hills Comment
  RSA449949  Boerhavia wrightii J. C. Roos 1937-8-20 s.n. Riverside East of Desert Center. Comment
  RSA778519  Boerhavia wrightii Amber Swanson, Linda Jean Foster 2011-10-8 638 Riverside Large wash off Blythe Rice Rd 270 Comment
  UCR85636  Bolboschoenus glaucus A. C. Sanders 1993-4-5 13700 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCSB51393  Bouteloua aristidoides Roos, John 1946-9-14 Riverside Pinyon Flats, Santa Rosa Mtns 1219 Comment
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Apr 3 2011
  SBBG19874  Bouteloua barbata M. A. Piehl 1963-9-18 63846 Riverside US Hwy 60, 2.7 mi W of Desert Center 312 Comment
  SEINET3221555 Image available Bouteloua barbata E. R. Blakley 1961-9-12 4713 Riverside Pinyon Flat, Palms to Pines Highway Comment
  JOTR16775  Bouteloua barbata var. barbata Hogan, J. 1975-9-6 162 Riverside Joshua Tree National Park. 999 Comment
  RSA0087454  Bouteloua barbata var. barbata Sarah J. De Groot, Amy Rouillard 2015-9-15 7567 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  POM13714  Bowlesia incana P. A. Munz 1922-4-29 5119 Riverside Lancaster Valley 396 Comment
  RSA543740  Bowlesia incana Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6034 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  LA105191  Boykinia rotundifolia Frank C. Vasek; 1987-7-14 870714 -1 Riverside San Jacinto Mountains, San Jacinto Mountains, Vista Grande Road (3S08) 1.0 mi E of Banning-Idyllwild Road (SH243) 1523 Comment
  RSA586770  Boykinia rotundifolia D. L. Banks, Steve Boyd 1995-5-17 0468 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail., At the spring just inside the wilderness boundary in north-central, section 33. 731 Comment
  RSA777776  Brandegea bigelovii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 760 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  SEINET270250  Brandegea bigelovii A. C. Sanders 1995-5-23 17116 Riverside Colorado Desert Coachella Valley: alluvial fans below the Santa Rosa Mountains north of Toro Canyon west of Monroe St 15 Comment
  UC1004313  Brandegea bigelovii J. Warren 1952-5-31 Riverside Dead Indian Canyon 914 Comment
  UCR264210  Brandegea bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41880 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, south of Bradshaw Trail at major wash that crosses a dirt side road into the range 726 Comment
  UCR226070  Brassica rapa A. C. Sanders, T. B. Salvato 2011-4-1 38939 Riverside Peninsular Range, Lake Elsinore, Baker St. above Temescal Wash, c. 1200 ft. north of water tank on hill 386 Comment
  RSA483138  Brassica tournefortii Christopher Davidson, B. Gustafson 1977-4-7 5573 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  RSA776350  Brassica tournefortii Duncan S. Bell 2010-3-20 618 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA342531  Brickellia arguta R. F. Thorne 1980-4-16 54075 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR43491  Brickellia arguta R. F. Thorne, W. A. Tilforth 1980-5-28 54208 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  CAS-BOT-BC106337  Brickellia atractyloides var. arguta B. D. Stark 1930-5-4 831 Riverside Morongo Pass Comment
  JOTR16569  Brickellia californica Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH DESERT QUEEN MINE 1341 Comment
  RSA586250  Brickellia desertorum R. E. Riefner 1995-11-4 95385 Riverside S of Clay Canyon Rd. off I-15 Wierick exit, E of Corona Comment
  UC1010321  Brickellia desertorum John and Lucille Roos 1950-10-28 5020 Riverside 1 mi se of Moreno (n base of Mt. Russell); Mt. Russell 548 Comment
  UC63389  Brickellia desertorum E. A. Zumbro 1902-10-1 362 Riverside Comment
  UCSB37838  Brickellia incana Roos, John 1965-6-23 Riverside Colorado Desert; Lost Palms Wash, north of Chiriaco Summit near the Eagle Mtns. Comment
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Mar 26 2011
  CAS-BOT-BC100609  Brickellia oblongifolia var. linifolia H. M. Hall 1901-5-1 1888 Riverside San Jacinto Mountains, Easetern base, along the borders of the Colorado Desert 1219 Comment
  POM12856  Brickellia oblongifolia var. linifolia Philip A. Munz 1922-6-26 5824 Riverside Road to Santa Rosa. 1829 Comment
  CAS-BOT-BC132194  Brodiaea filifolia Robert F. Thorne; P. A. Munz; E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau: On Mesa de Colorado, Rancho California 670 Comment
  RSA263716  Brodiaea filifolia E. W. Lathrop 1968-6-2 6965 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
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Apr 7 2011
  UCR88420  Brodiaea filifolia D. E. Bramlet 1995-5-24 2426 Riverside San Jacinto Wildlife Area: Lovell Unit, c. 1.7 km NE of Lakeview. 152 m east of Davis Rd. and 34 m south of the existing access road, 200 m N of the San Jacinto River channel 436 Comment
  UCR48380  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR191209  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 911 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 564 Comment
  LA13864  Bromus berteroanus F. M. Reed; 1909-4-7 1274 Riverside Box Spring Mountains Comment
  CAS-BOT-BC156281  Bromus catharticus John Thomas Howell 1960-3-24 35147 Riverside Hemet. Comment
  UC69343  Bromus catharticus H. M. Hall July 1899 1365 Riverside Riverside Comment
  UCR43418  Bromus catharticus B. G. Pitzer 1986-5-24 250 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  POM259162  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-14 15356 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  POM259175  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-13 15319 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  HSC99954  Bromus diandrus J. P. Smith, & J. O. Sawyer 2011-6-9 13201 Riverside 1470 Comment
  UC37692 Image available Bromus grandis H. M. Hall Jun 1901 2228 Riverside s side San Jacinto Mts. 1615 Comment
  UCR160055  Bromus grandis Steve Boyd, Valerie Soza 2004-6-22 11539 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  CAS-BOT-BC155545  Bromus hallii H. M. Hall 1901-7-1 2538 Riverside San Jacinto Mountains. West Fork Snow Creek. 1524 Comment
  UCR114304  Bromus hordeaceus Julie A. Greene 1993-4-17 1227 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 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
  UCR114138  Bromus rubens B. G. Pitzer, J. Ross 1998-3-8 3595 Riverside Sonoran (Colorado) Desert, Hayfield Lake, on the lakebed, SE of pumping station, near center of lake 396 Comment
  UCR147665  Bromus rubens Steve Boyd, Aydee Virgen 2004-4-13 10864 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CLARK-A1528-48  Bromus tectorum C. M. Flanagan 1973-4-26 OO 319 Riverside Morongo Indian Reservation 1158 Comment
  POM14550  Caesalpinia virgata Alice Eastwood 1913-4-30 3072 Riverside Palm Springs. Comment
  RSA405287  Caesalpinia virgata N. C. Cooper 1944-5-20 2621 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  RSA498294  Caesalpinia virgata Robert M. Perkins, H. de Forest 1937-3-15 399 Riverside 20 miles East of Indio. Comment
  UC310281  Calandrinia ambigua Philip A. Munz 1926-1-31 9982 Riverside clay hills w Dos Palmos; Colorado Desert Comment
  UCD132935  Calocedrus decurrens Lionel A. Stange 1956-5-13 s.n. Riverside San Jacinto Mountains, Dark Canyon campground. Comment
  RSA262119  Calochortus albus E. W. Lathrop 1973-5-28 7501 Riverside Main Divide Truck Trail beween El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  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
  UCR281203  Calochortus palmeri var. munzii James Hughes 2017-6-21 s.n. Riverside San Jacinto Mountains, Fleming Ranch 1573 Comment
  RSA773133  Calochortus plummerae Duncan S. Bell, J. D. England 2010-6-7 1269 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  RSA395916  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Temescal Canyon: Indian Wash, S of I-15. Comment
  RSA501021  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3140 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA502191  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3719 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA525319  Calycadenia tenella Steve Boyd 1990-4-29 4473 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  CAS-BOT-BC282914  Calycoseris wrightii Roxana S. Ferris 1939-3-29 9707 Riverside In wash between Hayfields Reservoir and Desert Center on the Indio-Blythe Highway Comment
  SEINET214704  Calycoseris wrightii Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Ke 1973-3-21 6442 Riverside Blythe-Rice road 17 airmiles north-northwest of Blythe. 259 Comment
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Nov 30 2014
  RSA0051770  Calycoseris wrightii A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  UCR133403  Calyptridium monandrum Tracy Tennant, J. S. Ross 1998-5-7 MOR- 93 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR86876  Calyptridium monandrum A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16242 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  SDSU17441  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 373 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 20 meters south of sign marking high point, in sandy opening among boulders. 3292 Comment
  UCR256757  Calystegia macrostegia subsp. arida T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7891 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
  UC1123622  Calystegia macrostegia subsp. tenuifolia R. St. John 1931-1-29 179 Riverside Elsinore , Plot 52 (Plot 52) Comment
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Nov 25 2010
  RSA524613  Camissonia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3936 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA0040100  Camissonia arenaria Duncan S. Bell, LeRoy Gross 2014-3-13 6244 Riverside Orocopia Mountains; southern section of range; approximately 1.9 air miles west northwest of Clemens Well. 285 Comment
  CLARK-A1528-652  Camissonia bistorta Charlotte Stocks 1964-5-15 Riverside Warner Hot Springs Comment
  RSA527851  Camissonia bistorta Scott D. White 1991-5-13 91 -82 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR177000  Camissonia bistorta Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 295 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  RSA676031  Camissonia brevipes Scott D. White 2001-4-17 8335 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR41604  Camissonia brevipes A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6027 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  JOTR31227  Camissonia brevipes subsp. brevipes La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2011 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  RSA134912  Camissonia brevipes subsp. brevipes K. K. Muller 1958-3-22 916 Riverside Colorado Desert, desert floor, 7 miles E of Desert Center, Highway 60. Comment
  RSA466174  Camissonia californica M. V. Hood 1945-3-25 s.n. Riverside Colorado Desert, Highway 71 near Aguanga 588 Comment
  UCR120810  Camissonia californica Ian G. Gillespie 2000-4-16 5 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  UCR202043  Camissonia cardiophylla Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR86860  Camissonia cardiophylla A. C. Sanders, K. Rose 1995-4-27 16728 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  IRVC27410  Camissonia claviformis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 53 Riverside 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal Coachella Valley 9 Comment
  RSA286430  Camissonia claviformis subsp. aurantiaca Mary H. O Brien 1976-4-14 76- 4 -14-4 Riverside 5 meters east of dirt road, 0.6 mi. no. of Amboy Rod. and 3.6 mi. east of Adobe Road in Twentynine Palms. 595 Comment
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Mar 29 2014
  RSA448931  Camissonia claviformis subsp. aurantiaca P. A. Munz 1930-4-6 13708 Riverside 1000 Palms. Comment
  RSA449213  Camissonia claviformis subsp. aurantiaca Robert M. Perkins, H. de Forest 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  UCR263506  Camissonia claviformis subsp. aurantiaca David Fraker, Aaron C. Sedgwick 2012-3-22 019 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UCR115341  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16260 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  SEINET7040182  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  UCR158523  Camissonia hirtella A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30047 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
  RSA449012  Camissonia ignota L. M. Ashley 1943-4-20 20442 Riverside Loma Linda: Hills S of Town. 427 Comment
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Feb 16 2013
  UCR96811  Camissonia intermedia Scott D. White 1993-3-12 1184 Riverside Near Winchester 466 Comment
  RSA543893  Camissonia micrantha Steve Boyd, Dave Bramlet 1991-5-13 6256 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  RSA449234  Camissonia pallida subsp. pallida H. de Forest, F. Detmers 1933-3-25 s.n. Riverside Between Banning and Cabazon Comment
  UC1186514  Camissonia refracta E. G. Linsley and J. W. MacSwain 1960-3-2 60 -5 Riverside 2 mi w Desert Center Comment
  UCR133912  Camissonia refracta June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Chiriaco Summit 518 Comment
  UCR249509  Camissonia refracta T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7281 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
  SBBG51035  Camissoniopsis hirtella N. R. Zabriskie, W. Zabriskie 1973-4-25 646 Riverside Deep Cyn drainage, E side Hwy 74, opposite Black Hill 914 Comment
  RSA593884  Capsella bursa-pastoris Steve Boyd, Dave Bramlet 1996-4-19 8616 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
  RSA180316  Cardamine californica var. integrifolia E. W. Lathrop 1959-3-26 4364 Riverside 18 miles W of Elsinore, Tenaja Guard Station, Cleveland National Forest Comment
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Apr 28 2011
  UCR157444  Cardamine flexuosa A. C. Sanders 1997-3-17 20006 Riverside Riverside, UCR campus, edge of lawn at NE corner of Batchelor Hall 348 Comment
  SEINET6332637 Image available Carex abrupta P. Zika, Otting, N 2010-1 25241 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. Comment
  SEINET7484334 Image available Carex bolanderi P. Zika, N. Otting, K. Kramer 2010-1 25300 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  RSA180427  Carex densa E. W. Lathrop 1959-4-26 4503 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  SD185063  Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  RSA633886  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38119 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  CAS-BOT-BC119864  Carex nebrascensis Peter H. Raven 1958-5-17 12963 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  RSA801811  Carex sartwelliana LeRoy Gross, Caitlin Elam 2013-5-21 6105 Riverside West edge of Pine Cove. Between Pine Cove and Red Hill Road(5S10). Near 1784 Comment
  SEINET7574467 Image available Carex schottii Alice Eastwood, John Thomas Howell 1937-4-24 3919 Riverside San Juan River east of San Juan Hot Springs. Comment
  CAS-BOT-BC115633  Carex triquetra Alan Ackerman Beetle 1944-4-27 3008 Riverside West of Murietta, canyon slopes in chaparral belt. Comment
  RSA180457  Carex triquetra E. W. Lathrop 1965-5-9 5736 Riverside 6 miles W of Murrieta. Comment
  RSA364778  Carex triquetra J. D. Olmsted 1962-5-10 3657 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA674962  Carex triquetra Scott D. White, Teresa Salvato 2001-6-8 8585 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  POM171282B  Castela emoryi I. M. Johnston 1930-6-15 3787 Riverside Hayfields, Mecca-Blythe Road Comment
  RSA0111976  Castela emoryi Duncan S. Bell, Amanda Bell 2012-1-28 3062 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA305817  Castilleja angustifolia James R. Shevock 1971-5-8 1041 Riverside Near Skull Rock, Joshua Tree National Monument. 1220 Comment
  RSA97671  Castilleja applegatei subsp. martinii R. M. Straw 1954-6-10 608 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  SBBG94912  Castilleja densiflora R. Gaut 1989-5-7 Riverside Santa Rosa Plateau, 5 mi W of Interstate 215 on Clinton Keith Rd, Temescal Valley 609 Comment
  SBBG47446  Castilleja exserta N. C. Cooper 1949-4-21 1127 Riverside Banning 701 Comment
  UCR107684  Castilleja exserta G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, SE of Arnold Heights & east of Alessandro Blvd. 466 Comment
  UCR49232  Castilleja exserta Steve Boyd 1986-4-2 1612 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA0010925  Castilleja exserta subsp. exserta Duncan S. Bell, Joy D. England 2010-5-27 1127 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  SD10676  Castilleja exserta subsp. exserta Mrs. D. R. Wolf 1932-3-20 30 Riverside Richman Ranch, 2I(c) mi. no. of De Luz 456 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
  RSA741184  Castilleja minor subsp. spiralis Scott D. White, Justin M. Wood 2008-6-16 12116 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UC26509  Castilleja minor subsp. spiralis E. L. Koethen 1897-10-27 Riverside W. Riverside; Riverside Comment
  CLARK-A1528-2435  Caucalis microcarpa John C. Roos 1940-4-20 Riverside Reche Canyon Comment
  UCD166250  Caulanthus Jack Major 1962-4-17 783 Riverside Pinyon Flat. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  RSA495458  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2986 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA531125  Caulanthus heterophyllus Robert Gustafson 1983-4-18 2504 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UCR17672  Caulanthus heterophyllus E. W. Lathrop 1971-3-24 7484 Riverside Santa Ana Mtns, Bedford Truck Trail of the Cleveland Nat'l Forest, Trabuco District 1220 Comment
  RSA212928  Caulanthus simulans L. B. Ziegler 1996-4-6 s.n. Riverside Pinyon Flats east of San Jacinto Mts. 1524 Comment
  UCR131682  Ceanothus crassifolius C. B. Wolf 1941-6-27 10898 Riverside Santa Ana Mtns., Ortega Highway, [Decker Canyon] 3.3 miles east of Orange Co. line 579 Comment
  POM13800  Ceanothus cuneatus P. A. Munz 1922-4-30 5132 Riverside Tuscalota Creek, south of Hemet. Comment
  SBBG50799  Ceanothus cuneatus var. cuneatus R. S. Woglum 1942-4-15 Riverside Aguanga Comment
  RSA0067952  Ceanothus greggii John F. Emmel 1994-4-17 1293 Riverside San Jacinto Mts.; 0.1-0.2 air mile west of Fobes Spring, NE of Garner Valley. 1463 Comment
  POM160078  Ceanothus greggii var. perplexans E. C. Jaeger 1927-3-16 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA262093  Ceanothus integerrimus var. puberulus E. W. Lathrop 1969-5-9 7033 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA59193  Ceanothus leucodermis Frank W. Gould 1943-4-18 2139 Riverside On rocky slopes in Ponderosa Pine Forest, east of Idyllwild. Comment
  RSA736543  Ceanothus leucodermis Scott D. White, Angelia Carey 2004-7-2 10590 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA0025535  Ceanothus oliganthus var. sorediatus John F. Emmel 1992-4-11 1202 Riverside Riverbed of South Fork San Jacinto River, 0.3 air mi NW of confluence of Dry Creek and San Jacinto River. 738 Comment
  RSA754175  Ceanothus ophiochilus Dylan O. Burge 2009-3-19 DOB 1065 c Riverside Oak Mountain, west of Vail Lake, accessed via foot trail from Vail Lake Resort, 13.4 km 291 degrees True WNW of Aguanga. 640 Comment
  SD136148  Ceanothus ophiochilus Kirsten Winter, Deveree Volgarino 1993-3-18 Riverside Agua Tibia Wilderness, along Highway 79 south of Woodchuck Park 609 Comment
  RSA761894  Ceanothus palmeri Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 707 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR30503  Ceanothus papillosus R. J. Weatherby 1950-1 1365 Riverside Peninsular Range; Santa Ana Mtns., head of Hagador Canyon, Southwest of Corona 1159 Comment
  PASA2519  Ceanothus tomentosus Frank W. Peirson 1922-4-30 Riverside St John's Grade, bautista Creek 761 Comment
  UC1071423  Ceanothus tomentosus A. Lewis 1933-2-1 145 Riverside St. John's Grade San Jacinto Quad. Comment
  UCR137484  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-3-29 1574 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
  UCR23844  Cenchrus ciliaris John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  CDA7292  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  CAS-BOT-BC281957  Centaurea benedicta Peter H. Raven; Sidney R. Snow 1956-7-6 9657 Riverside Gilman Hot Springs, along road Comment
  CLARK-A1528-2042  Centaurea melitensis Margaret Ferro 1970-5-20 27 Riverside Riverside 457 Comment
  RSA741579  Centaurea melitensis Scott D. White, Justin M. Wood 2008-6-17 12174 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA709641  Centaurea repens Chris E. True, Laurel Salzman 2004-7-16 s.n. Riverside San Timoteo Canyon, 3.2 miles SE of Redlands Blvd., across road from historic schoolhouse, between RR tracks and creek. NE of El Casco Lakes. 579 Comment
  UCR114617  Centaurea repens Mitch Provance 1997-5-18 1095 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR201993  Centaurea repens John Rimoldi 2009-1-10 s.n. Riverside San Bernardino Valley Region, Riverside, Arlington area, Van Buren Blvd. at Morris St. near west end of Riverside Airport 226 Comment
  UCR92333  Centaurea solstitialis Scott D. White, M. Wilcox 1995-7-13 3473 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  UCR178140  Centaurium venustum Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 648 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR21550  Centaurium venustum W. W. Mayhew 1980-7-18 s.n. Riverside Santa Rosa Mtns., 1 mi. south of Hwy 74 on the road to Santa Rosa Peak. 1585 Comment
  CAS-BOT-BC248870  Centromadia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman's Retreat Lake 597 Comment
  SD262184  Centromadia pungens subsp. laevis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 18 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- 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
  UC1787515  Centromadia pungens subsp. laevis Barry L. Jones Riverside USGS quad. For Wildomar & Lake Elsinore, Lake Elsinore area, just N of the intersection of Corydon Road and Grand Road. Comment
Read comments
Mar 31 2011
  UCR217656  Centromadia pungens subsp. laevis Diane Menuz 2007-8-10 362 Riverside San Jacinto Mountains, Western foothills, 6.7 km south of Hwy I-10 659 Comment
  SD51948  Cerastium fontanum Reid Moran 1962-7-7 9856 Riverside By Strawberry Creek, 2.0 muiles southwest of Idyllwild. 1550 Comment
  UCR48355  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 640 Comment
  CLARK-A1656-871  Cercidium floridum Jim Cornett 1977-7-2 Riverside Desert Hot Springs 441 Comment
  UC403977  Cercidium floridum subsp. floridum E. E. Schellenger 1903-1 Riverside Colorado Desert Comment
  SEINET10738002  Cercidium microphyllum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12861 Riverside Joshua Tree National Park; along road between Twenty-nine Palms and southern exit to I-10; ca 25 km north of Cottonwood Pass. Comment
  SEINET10543169  Cercocarpus ledifolius David B. Dunn 1946-8-17 Dunn 2721 Riverside Along trail 0.25 miles to hidden lake from round meadow 2441 Comment
  HSC25836  Chaenactis artemisiifolia Richard Spjut 1972-3-30 2347 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  SEINET7063227  Chaenactis artemisiifolia A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  UCR251908  Chaenactis carphoclinia Jim Andre 2013-3-27 24837 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  SEINET10799442  Chaenactis carphoclinia David B. Dunn 1946-3-15 Dunn 2053 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  CAS-BOT-BC276902  Chaenactis fremontii R. Bacigalupi No date on label 108 Riverside Eagle Canyon, Colorado Desert Comment
  RSA504982  Chaenactis fremontii D. Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree Nat'l Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road 610 Comment
  RSA695711  Chaenactis fremontii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  SBBG7873  Chaenactis fremontii C. H. Muller 1952-4-6 9510 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  UCR269114  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4517 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 526 Comment
  UCR272435  Chaenactis fremontii Cheryl Sevilla, Sarah J. De Groot 2015-3-16 019 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, plain to the east of Mission Creek, 0.4 mile northwest of the Stone House 2309 Comment
  UCR277637  Chaenactis fremontii A. C. Sanders, Jim Malusa 2017-1-14 42662 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  CAS-BOT-BC277415  Chaenactis glabriuscula var. glabriuscula R. F. Hoover 1968-6-7 11158 Riverside Head of St. Johns Canyon Comment
  RSA100860  Chaenactis glabriuscula var. glabriuscula Palmer Stockwell 1935-5-13 1225 Riverside 5 miles S of Temecula Comment
  UC894473  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi nw of Elsinore 457 Comment
  UCR280948  Chaenactis glabriuscula var. glabriuscula Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 69 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  CAS-BOT-BC284354  Chaenactis stevioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colorado Desert Comment
  RSA0026163  Chaenactis stevioides Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17709 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  UCR245629  Chaenactis stevioides var. stevioides Duncan S. Bell 2010-4-1 672 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  JOTR34149  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  JOTR30954  Chamaesyce albomarginata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1929 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA0111977  Chamaesyce polycarpa Duncan S. Bell 2009-8-15 415 Riverside Northwest of the Arica Mountains. 286 Comment
  RSA552714  Chamaesyce polycarpa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6683 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA781417  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2997 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
  UC519819  Chamaesyce polycarpa N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UCSB16774  Chamaesyce polycarpa Dearing, Hugh; Dearing, Margaret 1941-11-23 Riverside Near Cathedral City, Colorado Desert Comment
  RSA640168  Chamaesyce prostrata L. C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave. Corona. Comment
  RSA731017  Chamaesyce setiloba Michael Wall 2008-4-26 455 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  RSA778222  Chamaesyce setiloba Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 775 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR144101  Cheilanthes clevelandii Scott D. White 1998-2-7 6070 Riverside Agua Tibia Mtns, N boundary of USFS Agua Tibia Wilderness, c. 1 air mi south of the Hwy 79 junction with Woodchuck Road 640 Comment
  RSA85555  Cheilanthes covillei F. W. Peirson 1921-3-22 2331 Riverside Murray Canyon near Palm Springs. 488 Comment
  UC211624  Cheilanthes newberryi Fred M. Reed 1908-2-2 2019 Riverside Box Springs Mts Comment
  UCR90966  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  UCR90970  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR41423  Cheilanthes parryi A. C. Sanders 1985-12-22 5962 C Riverside Coachella Valley, foot of the Santa Rosa Mountains, W end of Ave. 74, 2.6 mi west of Polk Street. Southern edge of Martinez Canyon. 122 Comment
  RSA597245  Cheilanthes viscida A. C. Sanders, G. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mountains/Colorado Desert: Chino Canyon near Palm Springs, 1.8 miles above Palm Canyon Road (Hwy 111) on the road to the tram station, vicinity of the upper end of the flood control dike. 548 Comment
  UCR174428  Chenopodium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32476 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
  UCR232769  Chenopodium William Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 013 Riverside Peninsular Range; San Jacinto Mtns., Skunk Cabbage Meadow 2449 Comment
  UCR260808  Chenopodium Mike Misenhelter 2009-7-29 s.n. Riverside Peninsular Range/ San Bernardino Valley, Riverside; Arlington area, west side of Van Buren Blvd. at north side of Lincoln St., across from drive-in theater 259 Comment
  UCR189546  Chenopodium ambrosioides Fred M. Roberts, S. Leatherman 2007-9-19 6583 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA623556  Chenopodium berlandieri R. E. Riefner 1998-10-15 98 -526 Riverside Menefee-Paloma Valley Comment
  RSA654881  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  SD247397  Chenopodium berlandieri Andy Sanders 2013-7-7 40858 Riverside Peninsular Range; San Jacinto Mountains: southeast of Idyllwild on Saunders Meadow Road near the trash transfer station (dump), northeast of hairpin turn in road. 1609 Comment
  UCR22147  Chenopodium berlandieri Steve Boyd 1980-7-20 337 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR278876  Chenopodium berlandieri Mitch Provance 2012-7-17 712- 16 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  UCR97682  Chenopodium californicum A. C. Sanders, G. Helmkamp 1997-3-15 19963 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  RSA788562  Chenopodium murale Duncan S. Bell 2012-3-8 3142 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UCR102926  Chenopodium murale George K. Helmkamp, E. A. Helmkamp 1998-2-5 2685 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR112475  Chenopodium pratericola A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR115152  Chenopodium strictum Mitch Provance 2000-11-2 2293 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  CAS-BOT-BC231774  Chilopsis linearis F. Almeda 1976-6-5 2826 Riverside Ca. 4-5 mi. N of Interstate Hwy. #10 off of Whitewater Canyon Road 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
  UCR215635  Chilopsis linearis Bao Doan 2010-5-31 07 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  UCR272883  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside northwest of the Arica Mountains 286 Comment
  UCR64098  Chilopsis linearis Karen Bellinfante 1989-6-1 01 Riverside San Jacinto, Soboba Rd 0.5 mi east of intersection with Sanderson (Hwy 79) 549 Comment
  LA204147  Chilopsis linearis subsp. arcuata M. Zaitlin; 1951-5-26 sn Riverside Palm Springs Comment
  POM13252  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside Banning. Base of McMullen Trail [Banning to McMullen Flat] Comment
Read comments
Nov 5 2011
  UCR2286  Chloris virgata F. M. Reed 1925-8-10 5136 Riverside Glen Avon, Granite Hill Ranch 183 Comment
  RSA0049539  Chlorogalum parviflorum Steve Boyd, David E. Bramlet 1990-4-29 4512 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA457766  Chorizanthe brevicornu Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2129 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA781748  Chorizanthe brevicornu Duncan S. Bell 2011-12-30 3044 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
  RSA561865  Chorizanthe fimbriata Steve Boyd, Tim S. Ross 1992-6-10 7625 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
  UCR174254  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato 2006-6-2 33069 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR155061  Chorizanthe leptoceras R. E. Riefner Jr. 2005-5-25 05- 418 Riverside Temecula Region, Pechanga Indian Reservation, on north side of Pechanga Creek, south of Pechanga Road 377 Comment
  CLARK-A1045-309  Chorizanthe leptotheca George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains Murrieta 7.5'Q Comment
  RSA500539  Chorizanthe leptotheca Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3613 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  SD138831  Chorizanthe leptotheca Craig Reiser 1993-5-17 Riverside Near Agua Tibia Wilderness Area, South of Highway 79 west of entrance to Woodchuck Campground Comment
  SD262352  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417 65 Riverside Temescal Valley: Indian Wash, SW of I-15, S sie of De Palma Rd. 700-1100 ft WNW of inter. with Glen Eden Rd (Aberhill 7.5'Q) Habitat steadily encroached upon by enormous debris piles from the south since 2011. 366 Comment
  UCR139182  Chorizanthe parryi var. parryi Virginia Moran 2003-5-23 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 2' in area of transects established by CNLM 425 Comment
  HSC85463  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA562455  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross 1992-5-5 7234 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA614102  Chorizanthe polygonoides var. longispina A. C. Sanders, G. K. Helmkamp 1997-3-15 19996 Riverside Lake Skinner, SE foot of Bachelor Mtn., just north of the lake. 500 Comment
  SBBG101663  Chorizanthe polygonoides var. longispina S. Boyd 1991-5-20 6265 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  UCR15523  Chorizanthe polygonoides var. longispina George K. Helmkamp 1978-6-1 s.n. Riverside Santa Rosa Plateau, roadside, 7 miles [west] ot Murrieta Comment
  UCR217517  Chorizanthe procumbens var. albiflora Lee A. Ripma 2008-5-7 93 Riverside Santa Ana Mtns, San Mateo Canyon, 1.3km northwest of Wildomar Rd, west of Tenaja trail 661 Comment
  UCSB1344  Chorizanthe rigida Gunnerson, Robert 1953-3-21 Riverside 12 mi. east of Indio Comment
  RSA339659  Chorizanthe watsonii Robert F. Thorne, C. W. Tilforth 1980-5-28 54225 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  SEINET9809164 Image available Chorizanthe wheeleri Sharon J. McCormick 1976-5-24 Riverside Santa Cruz Island, Channel Islands, Wash near field station Comment
  UCR100036  Chorizanthe xanti Scott D. White 1994-4-23 2045 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
  HSC82713  Chorizanthe xanti var. leucotheca R. F. Thorne, C. W. Tilforth 1980-5-28 54223 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA6112  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  UCR230194  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato 2011-4-29 39357 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  RSA125856  Chrysothamnus nauseosus subsp. bernardinus E. K. Balls, Percy C. Everett 1957-11-6 22793 Riverside Vanderventer Flat, State Hwy 74, 1402 Comment
  POM351997  Chrysothamnus nauseosus subsp. mohavensis P. A. Munz 1946-10-19 11572 Riverside Upper end of Palm Canyon at jct of hwy 74 and road to old Santa rosa Indian Village 1220 Comment
  JEPS23478  Chylismia arenaria Marjorie D. Clary 1932-12-18 1715 Riverside Clemens Well Colorado Desert, Orocopia Mountains (at foot of mountains) 243 Comment
  SBBG100294  Chylismia brevipes W. L. Halvorson 1977-2-5 77 -7 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  RSA0049853  Chylismia brevipes subsp. brevipes Jim Andre 2014-1-27 26670 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCSB4431  Chylismia claviformis Haller, John 1957-3-23 Riverside at southern boundary of Joshua Tree Natl Mon; 4 air miles S. of Cottonwood Sprs; and 1 mile N. of juct with US 60 609 Comment
  CAS-BOT-BC160593  Chylismia claviformis subsp. aurantiaca E. A. McGregor 1917-3-20 704 Riverside Colorado Desert. Indio; north of date ranch Comment
  CAS-BOT-BC160638  Chylismia claviformis subsp. aurantiaca John H. Thomas 1957-3-30 6533 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highway 60 and 70. Colorado Desert 518 Comment
  JOTR34021  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding 2010-4-7 2908 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UC873926  Chylismia claviformis subsp. aurantiaca C. L. Hitchcock 1940-3-29 5865 Riverside ca 100 yd e Spring; Cottonwood Canyon Comment
  UC873934  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8759 Riverside gravelly wash 5 mi w Shaver's Well Comment
  SEINET2050010 Image available Cirsium occidentale var. californicum Diane C. Wald 1967-4-30 Riverside Bernasconi Hills near Lakeview, on a drier slope directly above a north-facing ravine next to Big Rock. 503 Comment
  RSA438787  Cirsium scariosum Norman C. Cooper 1949-6-29 4321 Riverside Hemet Reservoir, San Jacinto Mountains 1524 Comment
  RSA557323  Cirsium vulgare Julie Greene, Scott D. White 1993-7-5 1390 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  POM98780  Cistanthe ambigua M. French Gilman 1926-2-22 s.n. Riverside Thousand Palms Canyon. Comment
  RSA329670  Cistanthe monandra Gary D. Wallace 1966-3-26 250 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  RSA483570  Cistanthe monandra D. Charlton 1988-5-21 1952 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA674924  Clarkia epilobioides Scott D. White, Pam DeVries 2000-4-25 7729 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR158277  Clarkia epilobioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30094 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
  UCR266485  Clarkia epilobioides Mitch Provance, Eric Kline 2015-3-26 315- 44 Riverside Temecula/Murrieta Region, Murrieta, Antelope Hills neighborhood, NE corner of Menifee Rd. and Clinton Keith Rd. 424 Comment
  RSA652936  Clarkia purpurea subsp. quadrivulnera A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area: north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  RSA771879  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  RSA655042  Claytonia parviflora Scott D. White 1999-6-6 7447 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  RSA552733  Claytonia parviflora subsp. tenuifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6754 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA783234  Claytonia perfoliata J. D. Olmsted 1962-5-2 3470 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  RSA0045480  Claytonia perfoliata Diane M. Ramirez 1983-5-1 22 Riverside Mellor Ranch Road, 3 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  RSA770707  Clematis ligusticifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4810 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR195112  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR97283  Clematis pauciflora Scott D. White 1993-3-12 1161 Riverside Near Winchester 466 Comment
  UCR193369  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35635 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR241944  Collinsia concolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40744 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA0117415  Collinsia concolor Walter Wisura 1987-5-21 4154 Riverside This is a voucher from the living collection at the RSA. Living collection no. 15579, 7.8 mi. from Hwy. 243 along old Idyllwild road. Comment
  RSA597803  Collinsia concolor Scott D. White 1996-3-31 3861 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 439 Comment
  UCR80820  Collomia grandiflora Scott D. White 1993-5-29 1485 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  HSC47411  Colubrina californica Richard Spjut, C. E. Edson 1978-4-25 4955 Riverside Colorado Desert, N face of Chuckawalla Mtns. 2.7 mi S of Desert Center 335 Comment
  JEPS13822  Colubrina californica Marjorie D. Clary 1935-11-17 2568 Riverside three mi e Mecca-Blythe Road; SE Colorado Desert, southeast slope of Eagle Mountains Comment
  SBBG53832  Colubrina californica J. C. Roos 1967-11-11 Riverside Chuckwalla Mtns, 3 mi SE of Desert Center Comment
  UCD112182  Colubrina californica C. S. Jones 1979-3-27 41 Riverside in southeast facing canyon about 300 yards from unnamed dirt road, approximately 5 miles north of I-10, 4 miles west of Desert Center. 426 Comment
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Mar 19 2013
  UCR239467  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR207235  Conium maculatum O. F. Clarke 2007-4-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR98857  Convolvulus simulans A. C. Sanders, G. Helmkamp 1997-3-15 19998 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA0011001  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1438 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  RSA0018450  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  SEINET11856551  Coreopsis californica S. B. Parish, Parish, W. F. 1881-1 224 Riverside Whitewater Riv Comment
  JOTR32157  Coreopsis californica var. californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2310 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side of canyon (Stop 5) Comment
  RSA482193  Corethrogyne filaginifolia Richard Noyes, L. Arnseth 1988-9-10 731 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  SJSU13579  Corethrogyne filaginifolia C. W. Sharsmith 1945-8-28 5452 Riverside Indian Canyon Cr, Mt San Jacinto 1828 Comment
  RSA125532  Cornus nuttallii R. Weatherby 1949-6-6 646 Riverside Dark Canyon. San Jacinto Mtns. 1829 Comment
  SDSU13532  Cotula coronopifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR110454  Crassula aquatica D. E. Bramlet 1998-4-22 2606 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  CAS-BOT-BC427781  Crassula connata Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UCR266788  Crassula connata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 05 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  CSUSB617  Crassula erecta Bill Schultz 1972-4-30 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn, where palm trees are west of dump, 2 miles south of Mount Rubidoux 304 Comment
  JOTR37743  Crossosoma bigelovii Hodges, Stephen, Aliya Ingersoll 2016-2-24 657 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  POM13080  Crossosoma bigelovii A. Gilman 1922-3-19 s.n. Riverside Andreas Canyon, Palm Springs Region. Comment
  UCR25850  Crossosoma bigelovii John C. Roos 1949-4-2 4127 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon Comment
  RSA651889  Croton californicus David B. Dunn 1948-3-14 s.n. Riverside 5 mi. west of Thousand Palms. Comment
  RSA697578  Croton californicus Wilma Griset 1931-3-29 s.n. Riverside Indio (Edon) Comment
  UCR58717  Croton californicus James C. Dice, Virginia Moran 1987-11-28 760 Riverside Peninsular Range, Temecula Gorge, N bank of Santa Margarita River at aqueduct crossing. 250 Comment
  UCR214584  Cryptantha A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37863 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR241816  Cryptantha A. C. Sanders, Timothy W. Chumley 2013-4-2 40751 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., above I-15 Fwy, SE of Corona (Lee) Lake 396 Comment
  SBBG81693  Cryptantha angustifolia S. A. Junak 1983-3-24 1659 Riverside N side of Interstate 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  UC598538  Cryptantha angustifolia John Bright 1936-4-21 12822 Riverside n of Palm Springs; Colorado Desert Comment
  UCD80957  Cryptantha angustifolia Chuck Hughes 2009-3-23 58 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR234809  Cryptantha angustifolia Jim Andre, Glenn L. Clifton 2011-2-22 17468 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  UCR242121  Cryptantha angustifolia Jim Andre 2011-2-9 15914 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  CHSC99603  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  UC662479  Cryptantha barbigera Philip A. Munz 1937-5-29 15102 Riverside Shumway, edge of Pinyon Flats Santa Rosa Mts., Pinyon Flats 1219 Comment
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Dec 18 2011
  UCR85255  Cryptantha barbigera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16185 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UCSB12065  Cryptantha barbigera Dearing, Hugh; Dearing, Margaret 1942-3-1 Riverside Near Cathedral City Comment
  UCR279559  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-29 43179 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  SD260222  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr. 2014-4-22 7885 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. 481 Comment
  UCR213611  Cryptantha corollata A. C. Sanders, Matthew Malle 2010-4-23 38003 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  SDSU20923  Cryptantha costata J. M. Andre 2013-3-27 24795 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). NAD83 7.5' Quad: Rice 242 Comment
  SEINET3409358  Cryptantha costata G. Rink, M. Honer 2013-3-17 11856 Riverside About ten miles west of Blythe, to the south of an existing solar power plant, on the site of the proposed Quartzite solar power plant 125 Comment
  RSA0079094  Cryptantha cycloptera J. Andre, T. La Doux 2010-2-28 12559 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  UCR18171  Cryptantha decipiens A. C. Sanders 1978-4-1 00192 Riverside Santa Rosa Mtns, Pinyon Crest, on Hwy 74 1098 Comment
  UCR18499  Cryptantha dumetorum Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  UCR41546  Cryptantha dumetorum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6087 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA79569  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  JEPS67652  Cryptantha intermedia W. L. Jepson 1935-4-21 17159 Riverside Aguanga, near branch road to Pines Aguanga 603 Comment
  POM368285  Cryptantha intermedia H. de Forest 1933-4-16 17612 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  RSA717051  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25845 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 366 Comment
  RSA778145  Cryptantha intermedia J. Andre 2011-2-2 16234 Riverside Coachella Valley; mouth of Big Morongo Wash, 1 mile east of Hwy. 62, just N of North Indian Canyon Road, west of Desert Hot Springs. 7.5 miles north of I-10 487 Comment
  UCR136268  Cryptantha intermedia A. C. Sanders 2004-4-20 27545 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
  UCR4734  Cryptantha intermedia Frank C. Vasek 1960-3-17 600317- 06 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  POM9235  Cryptantha intermedia P. A. Munz, R. D. Harwood 1920-3-20 3379 Riverside 5 miles S of Corona. 305 Comment
  JOTR28747  Cryptantha maritima La Doux, Tasha, Bill Truesdell 2004-2-24 1029 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  RSA774928  Cryptantha maritima Duncan S. Bell 2011-4-7 2164 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  SEINET10456346  Cryptantha maritima David B. Dunn 1948-2-21 Dunn 3676 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  UC1329936  Cryptantha micrantha James E. Cole 1941-6-15 905 Riverside Black Spring Wash Joshua Tree National Monument 1280 Comment
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Feb 24 2013
  SEINET10456362  Cryptantha micrantha David B. Dunn 1948-3-14 Dunn 3770 Riverside Found in flat open sands near Hidden Springs Ranch 5 mi S of the Indio Hills in the Colorado Desert. Comment
  RSA633317  Cryptantha micrantha var. lepida R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38080 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SD137840  Cryptantha micromeres Steve Boyd, Darin Banks 1995-4-5 8434 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of Dripping Springs Alcove 580 Comment
  SD136880  Cryptantha muricata Steve Boyd, Tim Ross 1992-5-15 7409 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; vicinity of the junction of Tenaja and Morgan Trails. 669 Comment
  UC61114  Cryptantha muricata Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR44198  Cryptantha muricata A. C. Sanders 1986-6-1 6537 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCSB38671  Cryptantha muricata Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S and W of Hwy. 74 from jct. w/ 111 at Indian Wells; Santa Rosa Mts. 1180 Comment
  RSA0079417  Cryptantha muricata var. jonesii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 B Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  JOTR30317  Cryptantha nevadensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1751 Riverside Joshua Tree National Park. Stop 2: Near Sand Hill in Pinto Basin 538 Comment
  CLARK-A1528-2220  Cryptantha pterocarya John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA0123086  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8969 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
  UCR243509  Cryptantha racemosa Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21087 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  SEINET2042095 Image available Cryptantha utahensis A. C. Sanders 2001-4-8 23985 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. And Atlantic Ave, N of flood control ditch. 348 Comment
  UCR26371  Cucurbita foetidissima A. C. Sanders 1981-7-11 2208 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  UCR241607  Cuscuta A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40822 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, intersection of Chuckwalla Valley Rd. and Graham Pass Rd. 124 Comment
  POM3647  Cuscuta californica I. M. Johnston 1917-6-5 1255 Riverside Hills south of Arlington 366 Comment
  CAS-BOT-BC224607  Cuscuta californica var. papillosa Milo S. Baker 1928-4-3 2796 a Riverside Palm Canon [Canyon] Comment
  UCR120409  Cycloloma atriplicifolium Mitch Provance 1998-5-25 876 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  RSA0098477  Cylindropuntia echinocarpa Marc A. Baker 2015-4-14 18325 Riverside San Gorgonio Pass, south base of the San Bernardino Mountains, 24 km NW of central Palm Springs, 3 km ENE of Cabazon. 559 Comment
  SEINET7249312  Cylindropuntia munzii Andrew C. Sanders, Tim Thomas, T. B. Salvato 2012-1 Riverside Comment
  JOTR32384  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  CAS-BOT-BC114719  Cyperus difformis Beecher Crampton 2000-6-24 2059 Riverside Riverside: Santa Ana River Wash, between the Market St bridge and the 60 Fwy. 224 Comment
  SD144143  Cyperus difformis A. C. Sanders 1994-7-26 15150 Riverside Santa Ana River at the Mission Blvd. at 7th Street bidge; west foot of Mount Rubidoux; disturbed riparian zone in sandy riverbottom; uncommon annual in wet sand, mostly shallow water along the river. 239 Comment
  POM319702  Cyperus eragrostis Patricia Wilder 1971-11-11 5289 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  UCR176767  Cyperus eragrostis G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR59812  Cyperus eragrostis Jeri Hirshberg 1989-7-19 s.n. Riverside vicinity of Lake Skinner: dry streambed below dam, north of stock pond & treatment plant Comment
  RSA639265  Cyperus involucratus Robert F. Thorne 1965-4-4 41861 Riverside San Jacinto Mountains: Tahquitz Falls, Taquitz Canyon.. . Comment
  CAS-BOT-BC113964  Cyperus odoratus Frederick Morris Reed 1903-12-13 413 Riverside Bog above Bollingers Dam. Arroyo Chico. Comment
  CAS-BOT-BC70571  Cystopteris fragilis Geo. B. Grant 1901-8-1 464 Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  RSA0011412  Dactylis glomerata Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4993 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA498343  Dalea mollis Robert M. Perkins, H. de Forest s.n Riverside N. of Blythe, Along Col. river 85 Comment
  POM307229  Dalea mollissima Henry J. Ramsey, Henry J. Ramsey 1940-3-14 1992 Riverside North of Blythe. Comment
  POM66988  Dalea mollissima Marcus E. Jones 1924-2-7 s.n Riverside Salton Sink near Oasis. Comment
  CAS-BOT-BC283038  Dasyochloa pulchella E. A. McGregor 1917-3-18 794 Riverside 5 mi. up Painted Canyon Comment
  CAS-BOT-BC402177  Datisca glomerata R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  POM12730  Datisca glomerata P. A. Munz 1922-7-1 5932 Riverside Santa Rosa Mts: Old Nicholas Canyon. 1432 Comment
  RSA736922  Datisca glomerata Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10674 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UC534829  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside near Santa Rosa (Santa Rosa Mountains); Santa Rosa Mountains 1828 Comment
  CSUSB772  Datura meteloides Nancy Atha 1963-3-21 3-21-63 7 Riverside Southwest side of hill at the corner of Madison St. and Victoria Ave. in (city of) Riverside. 274 Comment
  RSA346263  Datura wrightii Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54043 Riverside Along Whitewater River, E of bridge and levee. Comment
  UCR41237  Datura wrightii N. M. Fellows 1984-3-20 8 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  UCR116902  Daucus pusillus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24197 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
  CAS-BOT-BC293827  Deinandra fasciculata John Thomas Howell 1930-5-10 4789 Riverside 2 miles south of Perris Comment
  CAS-BOT-BC413815  Deinandra paniculata R. E. Riefner, Jr. 2009-6-19 09 -135 Riverside Moreno Valley, NE ca. 0.15 mi from intersection of Nason St. and Ironwood Ave., W of Moreno Beach Dr., N of Moreno Valley Freeway (60 Fwy) 592 Comment
  UCR123823  Delphinium parishii subsp. parishii Steven R. Hill 2001-5-3 33665 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCSB1981  Delphinium parishii subsp. parishii Graney, Don 1953-3-20 Riverside one mile up White Water Canyon Comment
  POM305417  Delphinium parryi Henry J. Ramsey, Henry J. Ramsey 1938-5-4 636 Riverside Elsinore Comment
  RSA525676  Delphinium parryi Steve Boyd 1990-5-3 4548 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SDSU10046  Delphinium parryi Charles Phleger, F. 1962-5-23 Riverside Collcted on land owned by the Schloss Foundation about 25.0 miles N of Escondido. Comment
  UC64117  Delphinium parryi H. M. Hall June 1901 2013 Riverside canyon of the San Jacinto River San Jacinto Mountains 762 Comment
  UCR133371  Delphinium parryi Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 297 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  CAS-BOT-BC121431  Delphinium parryi subsp. parryi Philip Alexander Munz; Street; Williams 1919-5-28 105739 Riverside San Gorgonio Pass near Banning 701 Comment
  RSA0020471  Delphinium parryi subsp. parryi N. C. Cooper 1944-4-22 1105 Riverside Banning. 701 Comment
  UC1126383  Dendromecon rigida A. Lewis 1934-3-4 306 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle Comment
  RSA433244  Dendromecon rigida subsp. rigida E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains 1524 Comment
  CAS-BOT-BC198172  Deschampsia danthonioides Robert F. Thorne; Earl Lathrop; O. Clark; S. Carlquist 1968-4-18 37430 Riverside Mesa de Colorado, Rancho, Santa Rosa Plateau 670 Comment
  POM162736  Deschampsia elongata Ralph Hoffmann 1929-9-7 32 Riverside Strawberry Valley, San Jacinto Mountains. 1646 Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  JOTR16636  Descurainia pinnata Moore, Sue 1968-3-13 s.n. Riverside Joshua Tree National Park. 1341 Comment
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Aug 7 2014
  RSA697469  Descurainia pinnata J. R. Bruff 1929-4-2 109 Riverside Canon 1 mi. W. of Morongo. Comment
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Nov 9 2011
  RSA741053  Descurainia pinnata Scott D. White, Justin M. Wood 2008-6-5 12060 Riverside Quinn Flat Meadow. 1372 Comment
  UCR85280  Descurainia pinnata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Pinto Mtns, at bottom of Grand Tank (dry) 1189 Comment
  RSA33627  Descurainia pinnata subsp. glabra N. C. Cooper 1945-3-24 1620 Riverside Cabazon. 457 Comment
  POM13863  Dicentra chrysantha P. A. Munz 1922-4-29 5083 Riverside West of Lake Elsinore; base of elsinore mountains. 488 Comment
  UCR145975  Dicentra chrysantha June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR109571  Dicoria canescens R. D. Goeden, Don W. Ricker 1986-5-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  UCR89773  Dicoria canescens George K. Helmkamp 1994-3-10 42 3 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  CAS-BOT-BC292251  Dieteria asteroides var. asteroides H. M. Hall; L. A. Greata 1905-4-1 5920 Riverside Color. River bottom Comment
  UC1787306  Dieteria asteroides var. asteroides A. C. Sanders, S. White, C. L. Sanders 1994-12-18 15897 Riverside San Jacinto River Valley: eastern edge of San Jacinto, Mountain Ave. at Esplanade Ave., 2.4 mi. NW of Hwy 74 on Mountain Ave. 495 Comment
  CDA1969  Digitaria sanguinalis Steve Boyd 1989-7-9 3768 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  UCR2641  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA0016055  Diplacus bigelovii var. bigelovii F. W. Peirson 1920-2-16 1121 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  CAS-BOT-BC152910  Diplacus brevipes H. M. Hall 1901-6-1 2058 Riverside San Jacinto Mountains 1524 Comment
  CAS-BOT-BC152916  Diplacus brevipes Peter H. Raven; R. Snow 1957-7-26 11087 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger station, San Jacinto Mts. Comment
  RSA0019291  Diplacus brevipes Percy C. Everett, Lee W. Lenz, E. K. Balls 1952-7-1 17274 Riverside 1.2 mi. s.e. of Lake Fulmore on hwy from Banning to Idyllwild. 1280 Comment
  SD122437  Diplacus puniceus Duffie Clemons, J. Dice, G. Keator 1988-2-18 1944 Riverside alongside jeep trail leading into Santa Margarita Ecological Preserve west of Temecula Comment
  RSA734977  Ditaxis claryana L. C. Wheeler 1952-12-15 7024 Riverside Riverside Mountains: Mountaineer Mine. Comment
  CLARK-A1656-837  Ditaxis neomexicana Jon Mark Stewart 1983-8-29 83-34 Riverside San Jacinto Mountains 853 Comment
  JOTR29193  Ditaxis neomexicana La Doux, Tasha 2005-9-8 1306 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  UCR72175  Ditaxis neomexicana Theo Glenn 1991-5-15 91- 36 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  CAS-BOT-BC43632  Dithyrea californica Le Roy Abrams 1903-4-6 3208 Riverside Palm Springs. Comment
  RSA530747  Dithyrea californica Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  RSA530754  Dithyrea californica M. B. Dunkle 1933-3-3 3025 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
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Mar 20 2011
  UCR85252  Dithyrea californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16186 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  RSA509455  Dodecahema leptoceras T. P. Krantz 1982-4-22 s.n. Riverside Along San Jacinto River above Valle Vista. Comment
  RSA180368  Drymocallis glandulosa E. W. Lathrop 1960-6-8 4908 Riverside 14 miles west of Murrieta Comment
  CAS-BOT-BC70833  Dryopteris arguta G. R. Kleeberger 1878-12-30 s.n. Riverside Temescal Comment
  CLARK-A1528-27  Dryopteris arguta Noel Wallace 1937-8-15 BS 16 Riverside Box Springs Mountains Comment
  UCR149997  Dryopteris arguta Scott D. White 2000-11-15 8146 Riverside Peninsular Range; San Jacinto Mtns, Idyllwild area, 'Strawberry Fuelbreak' betwen 'Inspiration Point' and Strawberry Creek 1646 Comment
  UCR25369  Dryopteris arguta John C. Roos 1952-4-13 5519 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  RSA0123691  Dudleya arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9167 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  SD181580  Dudleya edulis Scott D. White, Teresa Salvato 2001-6-8 8564 Riverside Santa Ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. Occasional (patchy) on rocky slopes and broad, A+-flat granite boulders and outcrops. 334 Comment
  CHSC101725  Dudleya lanceolata Scott D. White; Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 B Riverside San Jacinto Mountains; Idyllwild area; 'Strawberry Fuelbreak: between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr., west to creek. 1524 Comment
  RSA680519  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SD70422  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass. 550 Comment
  RSA559432  Dudleya multicaulis Steve Boyd, Timothy S. Ross 1992-5-5 7222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCR48514  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  SEINET10478675  Echinocactus polycephalus Billy Joe Cox 1976-1-7 Cox 4228 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  SEINET8060783 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 14 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north 900 Comment
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Jun 5 2016
  UCR113923  Echinochloa colona Mitch Provance, A. C. Sanders 2000-7-4 2097 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SEINET251720 Image available Echinochloa crus-galli A. C. Sanders 1999-10-15 23170 Riverside San Jacinto Valley: Mystic Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  LA102326  Echinodorus berteroi J. C. Roos; 1937-6-7 2236 Riverside SAN JACINTO MOUNTAINS, vernal lake at foot of Jackrabbit Trail. Comment
  POM301711  Echinodorus berteroi J. C. Roos 1937-6-7 2236 Riverside San Jacinto Valley. Comment
  UCR207329  Ehrharta erecta O. F. Clarke 2000-4-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA725941  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Santa Margarita Ecological Reserve: Temecula Gorge, south side 239 Comment
  RSA754124  Eleocharis acicularis W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 15 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  CLARK-A1045-317  Eleocharis bella George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near headwaters of creek; Wildomar 7.5'Q Comment
  UCR37411  Eleocharis macrostachya Steve Boyd 1984-4-18 s.n. Riverside Skunk Hollow, 6 mi east of Murrieta, SW of the Lake Skinner dam. 457 Comment
  UCR126373  Eleocharis palustris A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 682 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA737354  Eleocharis parishii Justin M. Wood 2008-9-19 139 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR93254  Elymus condensatus D. L. Banks, Steve Boyd 1995-10-17 786 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area. Along lower Arroyo Seco, south of the Dripping Springs Campground. Along the broad alluvial benches north of where Arroyo Seco turns to the east 512 Comment
  UCR122532  Elymus elymoides subsp. elymoides George K. Helmkamp, E. A. Helmkamp 2001-5-20 6680 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  RSA561007  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-5-4 72032 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  UCD62740  Elymus trachycaulus subsp. subsecundus August L. Hormay 1932-8-8 Riverside Tamarack Valley. Comment
  UCR132702  Elymus triticoides A. C. Sanders, O. F. Clarke 1991-6-10 11138 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  CLARK-A1656-622  Emmenanthe penduliflora Lois Ann Scott 1978-4-4 Riverside Palm Springs 243 Comment
  RSA678348  Emmenanthe penduliflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10461 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
  UCSC000885  Emmenanthe penduliflora Peter Kamb 1948-4-11 875 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Coachella Valley 305 Comment
  RSA282914  Encelia actoni C. W. Tilforth, John Dourley 1980-7-15 2080 Riverside South of Tool Box Springs Campground, Thomas Mtn. Rd., south of Lake Hemet & west of [Highway] 74. Comment
  UCD131189  Encelia actoni Ted C. MacRae 1995-5-25 41 a Riverside 2.4 miles NE of Pinyon Flats on Highway 74, Santa Rosa Mountains. 1219 Comment
  UCR177275  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR82902  Encelia actoni A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15801 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CAS-BOT-BC131334  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
  HSC29901  Encelia farinosa Richard Spjut 1972-2-7 2178 Riverside Colorado Desert; 12 mi. S of jct. 95 on Hwy. 78 near San Bernardino County Line 305 Comment
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Jun 20 2013
  JOTR31866  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA586839  Encelia farinosa D. L. Banks, Peter Morrell 1995-5-4 0306 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
  RSA790974  Encelia farinosa Aaron C. Sedgwick, David Fraker 2012-4-24 8 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  RSA79160  Encelia farinosa P. A. Munz, Percy C. Everett 1952-5-2 16246 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC1292317  Encelia farinosa C. L. Hitchcock and C. V. Muhlick 1964-3-17 23077 Riverside 8 mi se Corona (along road to Elsinore) Comment
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Oct 16 2011
  UC1777712  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -211 Riverside mouth of Whitewater Canyon; Palm Springs Comment
  UC495309  Encelia farinosa Philip A. Munz 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  UC895510  Encelia farinosa C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  RSA792933  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 123 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  CLARK-A1528-4994  Encelia virginensis subsp. actonii John C. Roos 1948-4-24 3790 Riverside Cabazon 547 Comment
  CAS-BOT-BC81493  Ephedra aspera H. E. McMinn 1925-7-1 1475 Riverside Palm [Canon] Canyon Comment
  LA6785  Ephedra nevadensis H. Lewis; 1939-12-31 1163 Riverside near Desert Center Comment
  UCR274530  Epilobium canum Mitch Provance, Ken Halama 2003-6-15 17058 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR5604  Epilobium canum subsp. latifolium Frank C. Vasek 1966-9-5 660905- 03 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  RSA463110  Epilobium ciliatum S. J. Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with temecula Creek, near the town of Murrietta. Comment
  SD129445  Epilobium ciliatum J. Hirshberg 1989-7-25 Riverside Butterfield country, southwest of Vail Lake. Comment
  JOTR35178  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3278 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
  UCR202595  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-9 12427 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  POM15057  Epilobium glaberrimum subsp. glaberrimum Mary F. Spencer 1922-6-27 1238 Riverside Dutch Flat, San Jacinto Mountains. Comment
  RSA588573  Epilobium glaberrimum subsp. glaberrimum E. C. Jaeger 1921-7-2 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  OBI5914  Epilobium oregonense Carl B. Wolf 1932-8-5 3961 Riverside On trl from Tahquitz Valley to San Jacinto Peak head of a fork of Tahquitz Crk 2743 Comment
  RSA736382  Epilobium pygmaeum Scott D. White, Justin M. Wood 2008-5-1 11923 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  SD28076  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside North base of San Jacinto Mountains, mouth of east fork of Snow Creek Canyon. Rocks at water's edge. 671 Comment
  RSA680161  Equisetum arvense Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8627 B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA774720  Equisetum hyemale var. affine Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4455 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 487 Comment
  UC1930143  Equisetum laevigatum Scott D. White, Justin Wood 2008-5-15 11977 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR157457  Eragrostis barrelieri A. C. Sanders, G. K. Helmkamp 1996-3-17 17978 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCD63450  Eragrostis mexicana subsp. mexicana Beecher Crampton 1963-5-7 6777 Riverside Riverside, 1 mile west U.C. - Riverside Campus. Comment
  UCD64538  Eragrostis pectinacea Fred M. Reed 1904-8-10 85 Riverside Riverside and vicinity. Comment
  UC1584112  Eremalche exilis Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3883 Riverside cinder cone ridge at n. side of mouth of Tmemcula Creek Canyon (and adjacent benches on s. flank of Big Oak Mt.); Vail Lake area, s. flank 'Big' Oak Mt. 396 Comment
  CLARK-A1528-2642  Eremocarpus setiger John C. Roos 1965-7-27 Riverside Elsinore Comment
  UCR279384  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-24 42965 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR279410  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-25 42991 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
  JEPS69011  Eriastrum densifolium Carl V. Meyer 1928-8-1 622 Riverside Saunder's Meadow San Jacinto Mts. Comment
  UC1787332  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  JOTR31165  Eriastrum eremicum subsp. eremicum La Doux, Tasha 2009-6-3 1871 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  CAS-BOT-BC514450  Eriastrum eremicum subsp. eremicum Philip A. Munz; R. D. Harwood 1950-4-4 3526 Riverside Pass S of Palm Springs 152 Comment
  CAS-BOT-BC514456  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-27 11126 Riverside Near Whitewater Comment
  JOTR01153  Eriastrum eremicum subsp. eremicum Cole, James E. 1941-5-31 845 Riverside Joshua Tree National Park. LOST HORSE MINE AREA 1524 Comment
  SEINET4565906  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Arica Mountains: northwest of mountain range, approximately 8.6 air miles west of the ghost town of Rice, and approximately 6.8 air miles northwest of Priests Well.; 0 286 Comment
  UCR172231  Eriastrum sapphirinum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR87645  Eriastrum sapphirinum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  CAS-BOT-BC187906  Eriastrum sapphirinum subsp. dasyanthum Clare B. Hardham 1965-6-17 12950 Riverside Near Banning, San Jacinto Mountains Comment
  CLARK-A1528-705  Eriastrum sapphirinum subsp. dasyanthum C. M. Flanagan 1973-5-31 OO 617 Riverside Sunnymead 609 Comment
  RSA0121580  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1960-6-9 4946 Riverside 14 miles west of Murrieta. Comment
  RSA0121593  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1991-6-14 6389 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
  UC1118700  Ericameria cooperi var. cooperi R. St. John and A. E. Wieslander 1929-1-25 6 Riverside mouth of Bautista Creek San Jacinto Quadrangle, Bautista Creek (near Plot 8) Comment
  RSA0117926  Ericameria linearifolia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7636 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  RSA783438  Ericameria nauseosa J. D. Olmsted 1959-9-23 1018 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  UC134761  Ericameria nauseosa var. hololeuca J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  UC604141  Ericameria nauseosa var. oreophila Edmund C. Jaeger 1938-10-21 Riverside 15 mi s of Warren's Well; Little San Bernardino Mts., Joshua Tree National Monument 1280 Comment
  HSC101315  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 232 Comment
  POM266285  Ericameria palmeri var. pachylepis J. C. Roos 1937-11-2 2447 Riverside Hills N of Pigeon Pass, Northwestern Riverside County. Comment
  SBBG62855  Ericameria parishii J. E. Butner 1948-10-3 658 Riverside a few mi from Idyllwild Comment
  CAS-BOT-BC131641  Ericameria parishii var. parishii Edmund C. Jaeger 1922-8-20 1004 Riverside Long Valley - Palm Springs trail, San Jacinto Mts. 1524 Comment
  POM96254  Ericameria pinifolia E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  UC86756  Erigeron breweri var. jacinteus A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2438 Comment
  UC87569  Erigeron coulteri T. S. Brandegee 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  RSA709453  Erigeron foliosus T. B. Salvato, John Green 2004-5-27 634 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  JEPS41515  Erigeron foliosus var. foliosus W. L. Jepson 1903-8-5 2262 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  SEINET7063049  Erigeron foliosus var. foliosus A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  LA105134  Eriochloa aristata var. aristata John C. Roos; 1985-12-22 5962 Riverside Deep Canyon, Coachella Valley, 0.25 NW of Valerie Jean, W of Hwy 86, SE 0.25 -30 Comment
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Mar 23 2014
  UCR26265  Eriochloa contracta John C. Roos 1963-8-10 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley, Blythe 82 Comment
  CAS-BOT-BC189077  Eriodictyon crassifolium Carl B. Wolf 1932-5-24 3650 Riverside 0.5 mile below fish hatchery, Snow Creek Canyon, N base of San Jacinto Mountains 548 Comment
  RSA125984  Eriodictyon crassifolium E. K. Balls, P. C. Everett 1957-11-4 22743 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  RSA455014  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyon, Santa Rosa Mts. 1317 Comment
  SEINET4344746  Eriodictyon crassifolium I. W. Clokey, E. G. Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  UC880707  Eriodictyon crassifolium P. A. Munz 1922-4-28 5055 Riverside Leach Canyon , Leach Canyon (Santa Ana Mts.) 609 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
  RSA783129  Eriogonum J. D. Olmsted 1959-11-8 1083 Riverside Fish Fork between sixth and seventh falls 1418 Comment
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Jun 8 2013
  SEINET10858693  Eriogonum Daphne K. Christopher, Hannah Stevens 2003-4-6 Christopher 100 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. Comment
  UCR127545  Eriogonum angulosum A. C. Sanders, Mark Elvin 2001-8-17 24597 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  SBBG61842  Eriogonum apiculatum R. Hoffmann 1929-9-7 Riverside Fuller's Mill Comment
  SEINET6328738  Eriogonum apiculatum Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains; East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  SEINET3087074 Image available Eriogonum baileyi J. Hogan 1974-7-10 179 Riverside Upper Covington Flat barricade, Joshua Tree National Monument 1463 Comment
  CAS-BOT-BC242789  Eriogonum davidsonii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Between Idyllwild & Keen Camp Comment
  UCR264226  Eriogonum deflexum A. C. Sanders, Jim Malusa 2015-9-11 41875 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Iris Pass, gorge of canyon, on white tuff outcrops just above falls 663 Comment
  UCR72235  Eriogonum deflexum Theo Glenn 1991-5-24 91- 132 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  CAS-BOT-BC256130  Eriogonum deflexum var. deflexum Howard Scott Gentry 1936-11-1 2968 Riverside West side of Colorado Desert 152 Comment
  RSA192059  Eriogonum elongatum E. W. Lathrop 1965-12-9 6035 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  SD229227  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-8-27 830 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA0036808  Eriogonum fasciculatum var. fasciculatum Bob Rogers 1984-4-21 10 Riverside Along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  SEINET6418379  Eriogonum fasciculatum var. foliolosum T. Reeves 1978-5-13 6894 Riverside San Jacinto Mtns. Foothills SE of Banning. Access via Westward Ave. 671 Comment
  UCR172259  Eriogonum fasciculatum var. foliolosum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA393338  Eriogonum fasciculatum var. polifolium E. Crow 1929-2-24 182 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  CAS-BOT-BC253483  Eriogonum gracile H. S. Gentry 1954-7-26 14256 Riverside Dripping Spring along Route 79 Comment
  SD86302  Eriogonum gracile James L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and about 22 miles east-northeast of San Juan Capistrano, near turn-off to McConville Camp Comment
  SD187458  Eriogonum gracile var. incultum Scott D. White, Angelia Carey 2004-9-16 10767 Riverside San Jacinto Mountain Foothills, San Jacinto River wash near Indian Creek confluence 502 Comment
  UCR204359  Eriogonum gracile var. incultum LeRoy Gross, Duncan Bell 2008-9-16 3576 B Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  JOTR29523  Eriogonum heermannii var. argense La Doux, Tasha, Mike Bell 2006-9-6 1583 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam Comment
  UCR72196  Eriogonum inflatum Theo Glenn 1991-5-20 91- 102 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UC412857  Eriogonum inflatum var. deflatum Mrs. F. Stephens 1902-8-20 Riverside Chuckwalla Mts. Comment
  UC85855  Eriogonum inflatum var. deflatum Mrs. E. C. Thurber 1896-3-21 Riverside Palm Springs Comment
  RSA393576  Eriogonum inflatum var. inflatum N. C. Cooper 1944-5-6 1165 Riverside Whitewater Canyon. 457 Comment
  POM115631  Eriogonum maculatum Louise Kellogg, Annie M. Alexander 1941-5-15 2177 Riverside north base of Eagle Mountains. 915 Comment
  RSA25324  Eriogonum maculatum C. L. Hitchcock 1940-4-3 5939 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA0048244  Eriogonum molestum var. davidsonii Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  UC472762  Eriogonum pusillum M. F. Spencer 1921-4-9 Riverside canyon pr. Palm Springs; Colorado Springs 182 Comment
  CAS-BOT-BC263528  Eriogonum thomasii Ivan Johnston 1917-4-4 1091 Riverside Near Palm Springs, Colorado Desert Comment
  POM123039  Eriogonum thomasii Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM259944  Eriogonum thomasii P. A. Munz 1940-3-23 15669 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  RSA676112  Eriogonum thomasii Scott D. White 2001-4-3 8244 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA793413  Eriogonum thomasii Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3950 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SD125509  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, across from the entrance to Cahuilla Lake County Park, south of Indio Comment
  UC168762  Eriogonum thomasii Geo. B. Grant May 1 1906-May 10 1906 440 -6741 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR104806  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  RSA0009731  Eriogonum thomasii Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  JEPS56279  Eriogonum thurberi W. L. Jepson 1901-5-30 1553 Riverside Temecula River between Aguanga and Temecula; Temecula River Comment
  RSA708566  Eriogonum thurberi Scott D. White, Jennifer H. Jones 2005-5-24 11100 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  SBBG28174  Eriogonum vimineum S. G. Stokes 1933-7-1 106 Riverside near Idyllwilld Comment
  CAS-BOT-BC264933  Eriogonum wrightii var. membranaceum F. H. Billings 1932-10-15 2 Riverside Morongo Valley near Redlands Comment
  SBBG1671  Eriogonum wrightii var. membranaceum H. and M. Dearing 1936-12-26 143 Riverside Palms to Pines Hwy 1066 Comment
  SD247486  Eriogonum wrightii var. nodosum John F. Emmel 1985-10-23 977 Riverside Southern Mojave Desert: Coxcomb Mountains, 0.1-0.2 air mi WNW of Peak 4416 (Cadiz Valley Southwest 7.5'Q) 1280 Comment
  UCR35083  Eriogonum wrightii var. nodosum L. B. Ziegler 1969-10-22 395 Riverside San Jacinto Mtns, Pinyon Flats 1250 Comment
  UCR2829  Erioneuron pulchellum F. M. Reed 1920-5-10 4340 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Rocky ridge north of Murray Canyon [near Palm Springs] 396 Comment
  POM31121  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Palm Springs, in the lower sonoran zone of the Colorado Desert. 150 Comment
  RSA33498  Eriophyllum confertiflorum Norman C. Cooper 1944-5-7 1184 Riverside Banning 701 Comment
  RSA503425  Eriophyllum confertiflorum J. D. Olmsted 1962-5-10 3615 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  SDSU13043  Eriophyllum confertiflorum var. confertiflorum Janet M. Knotts, Jill Steinberg 1998-3-11 11 III1998C Riverside Ca. 1/4 mile along foot trail leading southeast from road, ca. 1/4 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  JEPS29478  Eriophyllum wallacei Lauramay T. Dempster 1962-4-17 1893 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  POM157921  Eriophyllum wallacei P. A. Munz 1927-5-21 10864 Riverside Coahuila Valley. Comment
  SEINET8753388 Image available Eriophyllum wallacei Philip A. Munz 1949-1 13023 Riverside Near conejo Well, north base of Eagle Mts., Mojave desert 914 Comment
  UC101059  Eriophyllum wallacei M. F. Gilman 1904-1-1 6 Riverside Banning Comment
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Mar 13 2011
  UC1118232  Eriophyllum wallacei H. S. Yates 1936-4-7 5427 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  UC69060  Eriophyllum wallacei H. M. Hall 1905-5-1 6012 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  UC896371  Eriophyllum wallacei C. L. Hitchcock 1940-3-30 5879 Riverside Cottonwood Spring Comment
  RSA708651  Erodium botrys Scott D. White 2005-3-29 10846 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UCR158508  Erodium botrys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30046 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SD143857  Erodium brachycarpum A. C. Sanders, G. Waines, et al. 1997-3-12 19842 Riverside Lake Skinner area: Lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  SDSU18420  Erodium cicutarium C. Matt Guilliams 2008-2-27 483 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. 370 Comment
  UCR97892  Erodium cicutarium A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19845 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR202506  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  RSA0108818  Erodium texanum Duncan S. Bell, Amanda Turek 2009-3-30 185 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA0125988  Erodium texanum Duncan S. Bell 2016-3-4 8814 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  UCD150436  Erodium texanum Harry A. George 1968-2-21 s.n. Riverside Joshua Tree National Monument. Comment
  UCR154538  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-18 711 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  POM17831  Erysimum capitatum var. capitatum P. A. Munz, D. D. Keck 1923-6-14 7067 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  RSA0016060  Erythranthe breweri N. C. Cooper 1944-7-16 1567 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  UCD96494  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-14 254 Riverside California. Riverside County: Joshua Tree National Park. 856 Comment
  CAS-BOT-BC402623  Eschscholzia caespitosa Sears 1978-3-18 925 Riverside 3 mi. E. of Corn Spring, 9 mi SE of Desert Center 365 Comment
  RSA524220  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4014 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SEINET7072834  Eschscholzia californica A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  UC1551988  Eschscholzia californica Lyman Benson 1952-4-8 14850 Riverside 2 mi w Shaver Summit (e of Indio, US 66); Colorado Desert, Colorado River Drainage 609 Comment
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Mar 26 2011
  JEPS51762  Eschscholzia glyptosperma Marjorie D. Clary 1933-2-26 Riverside Aqueduct Rd between Indio and Mecca; North Colorado Desert, Little San Bernardino Mts. 243 Comment
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Feb 28 2014
  CHSC98017  Eschscholzia minutiflora LeRoy Gross 2005-3-3 1605 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Alt: 207-244m. 207 Comment
  LA46282  Eschscholzia minutiflora H. Lewis; 1949-3-26 2222 Riverside 5 mile W of Cottonwood Springs, hwy 60/70 Comment
  RSA747992  Eschscholzia minutiflora Scott D. White, Justin M. Wood 2009-4-28 12614 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA758328  Eschscholzia minutiflora Doug Goldman 2005-3-3 3034 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UCR103295  Eschscholzia parishii George K. Helmkamp 1998-4-4 3177 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UCR226790  Eschscholzia parishii Jim Andre 2011-2-9 15907 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UC1449204  Escobaria vivipara var. alversonii Pierre C. Fischer 1968-12-29 4068 Riverside on Eagle Mt. Rd 4 mi n Interstate 10 300 Comment
  RSA713796  Eucalyptus J. Lyman 1989-2-9 89 -2 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  SEINET1906763  Eucalyptus A. C. Sanders, O. F. Clarke, A. M. Boyce, C. L. Sanders 1993-1 14220 Riverside Riverside, residential garden of A1 M. Boyce, 266 Frost Court. 360 Comment
  UCR231047  Eucalyptus A. C. Sanders, T. B. Salvato 2012-1-3 39957 Riverside Peninsular Range, Riverside, south side of UCR campus near old C.E.S. Director's garden, south of South Campus Dr. near College Bldg. North 358 Comment
  OBI69838  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 33 Riverside Temescal Cyn Rd, Corona, side of rd Comment
  SBBG4842  Eucnide urens H. and M. Dearing 1942-4-5 4862 Riverside Colorado River and Riverside Mtns Comment
  RSA221008  Eucrypta chrysanthemifolia E. W. Lathrop 1966-5-23 6088 Riverside 6 miles West of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UCR241820  Eucrypta chrysanthemifolia A. C. Sanders, Timothy W. Chumley 2013-4-2 40756 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UC917589  Eucrypta chrysanthemifolia var. chrysanthemifolia Frank W. Gould 1944-4-5 2232 Riverside 17 mi e Temecula Comment
  GMDRC9813  Eucrypta micrantha J. M. Andre 2017-3-1 38039 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  JEPS1692  Eucrypta micrantha Marjorie D. Clary 1932-3-6 1615 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 182 Comment
  POM264073  Eucrypta micrantha E. C. Jaeger 1941-3-23 s.n. Riverside Blythe, Colorado River bluffs. 524 Comment
  HSC83826  Euonymus occidentalis var. parishii R. F. Thorne 1969-10-25 41851 Riverside San Jacinto Mtns., James Reserve Comment
  UCR151046  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  SD255144  Euphorbia micromera Duncan S. Bell 2011-9-30 2940 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; ca. 2.0 air miles southwest of the ghost town of Rice. 234 Comment
  POM249992  Euphorbia palmeri E. C. Jaeger 1928-05 s.n Riverside Pinon Alta Flats, Riverside county Comment
  UCR41454  Euphorbia peplus B. G. Pitzer 1986-2-22 0014 Riverside San Bernardino Mountains, Whitewater Canyon at Fish Hatchery, also to c. 0.5 mi north of hatchery, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road 732 Comment
  UCR21194  Euphorbia polycarpa Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR3363  Euphorbia polycarpa H. M. Whistler 1964-3-1 640301- 02 Riverside Upper Santa Ana River/San Bernardino Valley Region, City of Riverside, 0.1 mi. north of Fire Research Station, on Canyon Crest Drive. 323 Comment
  UCR5293  Euphorbia polycarpa var. hirtella O. F. Clarke 1966-10-5 661005- 02 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  POM319662  Euthamia occidentalis Patricia Wilder 1971-11-11 5290 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  RSA391199  Fagonia laevis Ora M. Clark 1929-3-17 1752 Riverside S. La Quinta, Cali. Comment
  RSA480079  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2168 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  SBBG29416  Fagonia laevis D. Myrick 1968-3-4 1810 Riverside Palms to Pines Hwy out of Palm Desert Comment
  UCR275515  Fagonia laevis D. E. Bramlet 2010-3-1 4452 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  SEINET3005065  Fagonia pachyacantha G. Rink 2011-5-1 10503 Riverside North side of the Chuckawalla Mountains 365 Comment
  CAS-BOT-BC59765  Ferocactus cylindraceus Ira L. Wiggins 1937-3-9 8748 Riverside Field redacted by CAS, contact the data manager for more information Comment
  CDA15517  Festuca arundinacea M. Lahti 1999-5-21 PDR 1238959 Riverside Southern California; Hemet. 0 Comment
  RSA0120132  Festuca arundinacea Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  CLARK-A1528-4656  Festuca megalura John C. Roos, Lucille Roos 1950-4-15 4741 Riverside Pigeon Pass 457 Comment
  OBI71129  Festuca occidentalis Michael Curto, Linda Allen 1991-6-26 771 Riverside San Jacinto Mts, ca. 3 km SE of Pine cove on San Bernardino NF Rd 5S10, T5S, R2E S10 Comment
  UCR225508  Festuca octoflora A. C. Sanders 2011-3-30 38919 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR199789  Festuca pratensis Scott D. White, Justin M. Wood 2008-6-24 12289 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA356984  Filago gallica R. F. Thorne 1973-5-23 43869 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  SD148113  Forestiera pubescens A. C. Sanders, Mark Elvin and M. S. Enright 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  RSA20100  Fouquieria splendens I. W. Clokey 1935-4-17 6752 Riverside Shaver's Well Comment
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Apr 24 2011
  SFV6325  Fouquieria splendens T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 42 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  RSA80819  Frankenia grandifolia F. W. Peirson 1924-6-21 4761 Riverside Alkaline flat near Lake Elsinore near south end 375 Comment
  CAS-BOT-BC211664  Frankenia salina A. C. Sanders 2004-5-18 27896 Riverside Temescal Creek in Walker Canyon at foot of Alberhill Mountain, Lake Elsinore 7.5', Peninsular Range 377 Comment
  SEINET1004423  Frankenia salina A. C. Sanders 2004-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region; Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi e of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun city 457 Comment
  UCR272492  Frankenia salina Mitch Provance 2013-6-16 613- 21 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
  PASA1847  Franseria dumosa R. Peirce 1966-4-21 Riverside 2 mi. W. of Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA392141  Frasera parryi Anstruther Davidson 1876-6-7 s.n. Riverside Strawberry Valley. San Jacinto Mt. Comment
  RSA263768  Fraxinus dipetala E. W. Lathrop 1968-5-22 6900 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA464922  Fraxinus dipetala A. Menke 1955-4-28 s.n. Riverside Near Barton Peak Lookout. San Jacinto Mts. Comment
  UCR121339  Fraxinus dipetala A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25032 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA614528  Fraxinus velutina A. C. Sanders 1994-10-6 1578 Riverside San Jacinto Mountains (N slope): Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west. 1128 Comment
  SD186260  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Viverside, along Spring Brook between Lake Evans and the Santa Ana River. 238 Comment
  UCR82764  Fraxinus velutina A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15778 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  UCR91739  Fraxinus velutina A. C. Sanders, J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR258635  Funastrum cynanchoides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7899 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
  RSA494647  Funastrum cynanchoides var. hartwegii B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  RSA525438  Funastrum cynanchoides var. hartwegii Steve Boyd, D. E. Bramlet 1990-4-29 4483 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR256803  Funastrum cynanchoides var. hartwegii T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7865 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 500 Comment
  HSC87133  Funastrum hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2099 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  UCR232395  Funastrum utahense Dave Silverman 2010-3-30 7881 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  RSA753481  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2009-5-21 12865 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  CAS-BOT-BC223034  Galium angustifolium A. C. Sanders; T. B. Salvato 2000-5-25 23396 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  SD236403  Galium angustifolium A. C. Sanders, Tim Thomas 2008-8-1 35937 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  UCR174537  Galium angustifolium Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 309 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  JEPS30387  Galium angustifolium subsp. angustifolium William M. Klein 1960-8-22 1583 Riverside along trail to Suicide Rock and Mt. San Jacinto n Idyllwild; San Jacinto Mts. Comment
  JEPS56084  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4127 Riverside road from Banning to Idyllwild 2 mi n road to Twin Pines Ranch 304 Comment
  LA211930  Galium angustifolium subsp. angustifolium LeRoy Gross; Duncan S. Bell 2013-4-30 6037 Riverside SAN JACINTO MOUNTAINS, Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, S to Strawberry Creek. 1510.0 Comment
  RSA271436  Galium angustifolium subsp. angustifolium C. W. Tilforth 1978-4-30 1573 Riverside Low rounded hills east of Norco. Comment
  SD187473  Galium aparine Scott D. White, Angelia Carey 2004-4-16 10192 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR174262  Galium aparine A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32673 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., near stream crossing of dirt road 549 Comment
  UCR214331  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38370 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  JOTR32840  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  UCR92044  Galium nuttallii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3346 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
  JEPS74651  Galium nuttallii subsp. nuttallii Lauramay T. Dempster and G. L. Stebbins 1967-3-19 4332 Riverside just n of county line s Temecula Comment
  RSA454424  Galium parishii Robert Kessler 1920-07 s.n. Riverside Tahquitz Peak. 2707 Comment
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Aug 3 2008
  POM367815  Galium stellatum Christopher Davidson 1979-4-4 7718 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  CAS-BOT-BC217641  Galium stellatum subsp. stellatum I. M. Johnston 1917-4-4 1039 Riverside Palm Canyon 304 Comment
  JOTR34389  Galium stellatum var. eremicum Andre, Jim 2012-4-16 20916 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  POM261678  Garrya flavescens var. pallida W. Pequegnat 1940-12-14 s.n. Riverside Main Divide Truck Trail, near Pleasant Pk. Santa Ana Mts. 1067 Comment
  CAS-BOT-BC278710  Gastridium ventricosum Scott D. White 1995-6-30 3434 Riverside Murrieta area, W Riverside Co. (Santa Ana Mtn. foothills). Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 360 Comment
  UCR160953  Gaura coccinea A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden 351 Comment
  POM12808  Gayophytum diffusum subsp. parviflorum P. A. Munz 1922-6-26 5832 Riverside Road to Santa Rosa. 1829 Comment
  POM17812  Gayophytum diffusum subsp. parviflorum P. A. Munz, D. D. Keck 1923-6-14 7092 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  RSA113806  Gayophytum diffusum subsp. parviflorum Peter H. Raven, R. Snow 1957-7-26 11000 Riverside Along Banning to Idyllwild road 0.7 miles north of Vista Grande Ranger Station, San Jacinto Mountains. Comment
  CAS-BOT-BC303569  Geraea canescens J. Beley 1977-10-31 1765 Riverside Ca 5 miles N Palm Springs on T/L near Varner Rd Comment
  UCR108731  Geraea canescens Scott D. White, Pam DeVries 1998-2-9 6071 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR249662  Geraea canescens T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7299 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
  UCR75049  Geraea canescens A. C. Sanders, E. J. Lawlor 1992-4-4 12104 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC1929929  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  RSA391013  Geranium richardsonii Anstruther Davidson 1876-6-7 1905 Riverside Strawberry Valley. San Jacinto Mt. Comment
  UCR178844  Gilia T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 136 Riverside San Bernardino Mtns., 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
  RSA601538  Gilia achilleifolia subsp. multicaulis L. Haines, L. Erickson 1937-4-9 s.n. Riverside Riverside-Hemet road near Winchester turnoff. Comment
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Mar 20 2011
  RSA659468  Gilia angelensis J. C. Roos 1952-4-23 5578 Riverside 1 year old burn on north side Box Springs Mtns. 457 Comment
  RSA678422  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  SD247688  Gilia angelensis J. Mark Porter, Leigh A. Johnson 1997-3-10 11462 Riverside Whitewater Canyon, ca. 1.0 mile N of Whitewater along Interstate 10. 473 Comment
  UC1930055  Gilia angelensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10457 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
  UC737253  Gilia angelensis Frank W. Gould 1943-4-18 2148 Riverside 1 mi w Banning (in the foothills of the San Jacinto Mountains); San Jacinto Mountains Comment
  UCR20704  Gilia angelensis A. C. Sanders, Steve Boyd 1980-5-2 01450 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR37498  Gilia capitata Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA526176  Gilia capitata subsp. abrotanifolia Steve Boyd, T. S. Ross 1990-5-11 4678 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
  UCR121233  Gilia capitata subsp. abrotanifolia Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2261 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  SEINET12279063  Gilia dianthoides H. M. Hall 1902-1 2942 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  RSA507951  Gilia diegensis Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2269 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR44361  Gilia ochroleuca subsp. exilis A. C. Sanders 1986-6-1 6569 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA779721  Gilia scopulorum Duncan S. Bell 2009-3-8 89 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  SD119886  Gilia sinuata Louis B. Ziegler 1972-5-3 448 Riverside San Jacinto Mountains-Hemet (Garner) Valley. 1402 Comment
  RSA0047256  Gilia stellata J. Mark Porter, Leigh A. Johnson 1997-3-10 11460 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  SJSU8425  Gilia stellata G. B. Youngberg 1956-3-28 199 Riverside Palm Canyon near Palm Springs 137 Comment
  UCR1363  Gilia stellata Frank C. Vasek 1960-3-17 600317- 07 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  RSA718873  Gilia stellata Michael Honer, L. Hulse 2005-3-7 2032 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  RSA508001  Githopsis diffusa Steve Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2307 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  SEINET1008980  Glandularia pulchella A. C. Sanders, B. Pitzer, D. Charlton 1986-1 16 -B.G. Riverside Cultivated on grid cell # A-3, near B-3 border. 396 Comment
  UC73173  Glycyrrhiza lepidota M. F. Gilman 1904-1 41 Riverside Banning Comment
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Mar 13 2011
  RSA180320  Gnaphalium californicum E. W. Lathrop 1965-4-4 5621 Riverside 8 miles west of Murrieta Comment
  UCR44227  Gnaphalium canescens subsp. microcephalum A. C. Sanders 1986-6-1 6542 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR234241  Gnaphalium leucocephalum A. C. Sanders, T. B. Salvato 2012-4-27 40086 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  UCR147705  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 108665 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR266320  Gnaphalium palustre D. E. Bramlet 1991-6-1 2191 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley, W Florida Ave. at EMWD canal 457 Comment
  POM359186  Gutierrezia californica L. C. Wheeler 1933-12-1 2293 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  POM42117  Gutierrezia sarothrae Marcus E. Jones 1900-7-13 s.n. Riverside Elsinore Comment
  UC1214011  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2758 Riverside on road bank 2 mi w of Temecula (w side of stream); Hwy 78 Comment
  UCD132603  Gutierrezia sarothrae K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  RSA0066618  Harpagonella palmeri Scott D. White 2001-4-19 8381 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR104617  Harpagonella palmeri D. E. Bramlet 1993-3-30 2301 Riverside Siegal Ranch Road approximately 120 m south of Cajalco Road and 1 km east of the intersection of Cajalco Rd. and Sierra Ave., 180 m west of Siegal Ranch Road 427 Comment
  UCR104645  Harpagonella palmeri D. E. Bramlet 1997-4-4 2509 Riverside in a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  UCR217545  Harpagonella palmeri Diane Menuz 2008-4-9 399 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  UCR113542  Hazardia squarrosa Mitch Provance 1998-6-6 697 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR175066  Hedypnois cretica Teresa Nieto 2005-4-24 13 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  POM49854  Helianthus gracilentus P. A. Munz, I. M. Johnston 1924-7-29 8874 Riverside Roadside in chaparral near poppet Flat Comment
  RSA180444  Hemizonia fasciculata E. W. Lathrop 1960-6-8 4927 Riverside 14 miles west of Murrieta Comment
  RSA450431  Hemizonia fasciculata J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  UCR232021  Hemizonia fasciculata John F. Green 2008-4-24 10- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, vicinity of Eugene St. 506 Comment
  RSA500137  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3673 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA674809  Hemizonia kelloggii Scott D. White 2001-6-29 8628 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  UCR116790  Hemizonia kelloggii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24156 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR128238  Hemizonia kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA751259  Hemizonia mohavensis A. C. Sanders 2008-7-25 35903 Riverside east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1539 Comment
  UCR82813  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mtns., N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing 854 Comment
  UCR121167  Hemizonia paniculata D. E. Bramlet 1989-6-13 1922 Riverside Domenigoni Valley, 3,000 ft. east of the MWD canal and 500 ft. south of Newport Road. 458 Comment
  UCR127561  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 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
  UCR16863  Hemizonia paniculata H. C. Sharma 1976-4-20 760420- 04 Riverside UCR campus, about 40 ft north of northern parking lot of Bannockburn Comment
  UCR256785  Hemizonia paniculata T. B. Salvato, Matthew Malle 2013-5-20 7587 Riverside Perris-Aguanga Basin, Menifee, northwest corner of Bundy Canyon Road and Murrieta Road 515 Comment
  RSA621638  Hemizonia pungens subsp. laevis R. E. Riefner 1998-4-22 98 -293 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR249831  Hesperocallis undulata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7306 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
  UCR90751  Hesperocnide tenella Scott D. White 1995-4-5 2754 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  SDSU11463  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1.4, of northwest 1/4 of section 35. 390 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
  UC63207  Heterotheca sessiliflora subsp. echioides H. M. Hall Aug 1 1901-Aug 10 1901 2607 Riverside Strawberry Valley; San Jacinto Mountains 1615 Comment
  UC144126  Heterotheca sessiliflora subsp. fastigiata Mrs. C. M. Wilder 1909-8-1 1114 Riverside Banning Canyon Comment
  RSA0063009  Heuchera elegans E. C. Jaeger 1921-07 1040 Riverside Tahquitz Creek, San Jacinto Mts. 2134 Comment
  OBI52046  Heuchera hirsutissima Michael Curto, Linda Allen 1990-6-18 664 Riverside Santa Rosa Mt, NW slope, Santa rosa Mt rd 9SBNF 7S02) ca 1.5 km W of Santa Rosa Springs campground 2250 Comment
  POM118516  Hibiscus denudatus Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SBBG29420  Hibiscus denudatus D. Myrick 1968-3-3 1798 Riverside side cyn of Box Cyn E of Mecca 457 Comment
  CAS-BOT-BC289175  Hilaria rigida J. Von Loh 1978-1-23 60325 A Riverside Palo Verde Mesa, 12 mi. W. of Blythe 121 Comment
  OBI26121  Hilaria rigida David J. Keil 1976-12-12 11925 Riverside Along I-10, 37 mi E of chiriaco Summit Comment
  SEINET3011912 Image available Hilaria rigida A. C. Sanders 2010-3-23 37544 Riverside Sonoran (Colorado ) Desert; Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder 7.5' Q.). 130 Comment
  UCD166276  Hilaria rigida Jack Major 1962-4-17 790 Riverside On Hwy 74, near Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 770 Comment
  UCR2457  Hilaria rigida F. M. Reed 1931-4-11 6941 Riverside Sonoran (Colorado) Desert, Chuckwalla Mesa, 'eastern Mohave Desert', near Fullers Well [=Chuckwalla Well?] 598 Comment
  RSA0016767  Hippuris vulgaris Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38147 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA550342  Hoffmannseggia glauca Walter Wisura, John Dolan, Michael Wall 1992-2-25 4646 Riverside Ford dry lake N of I-10 at Hopkins Well. Comment
  RSA782004  Hoffmannseggia glauca Stephanie Rockwood, Christi Gabriel 2011-10-18 118 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  UCD105847  Hoffmannseggia glauca Lloyd P. Sharp 1938-5-25 s.n. Riverside Mecca. Comment
  LA45807  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-7 sn Riverside Oasis Comment
  LA45813  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  SDSU7779  Hoffmannseggia microphylla unknown 1952-4-27 Riverside Junction of All-American Canal and Highway east of Mecca. Comment
  UCD105854  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  UCSB11231  Hoffmannseggia microphylla Breedlove, Dennis 1961-9-11 Riverside Along roadside of U.S. 60-70, 8 mi. E of Indio 289 Comment
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Mar 29 2014
  UCR113935  Holcus lanatus Mitch Provance, A. C. Sanders 2000-7-4 2102 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR189580  Holocarpha virgata subsp. elongata Andrea Salzman 2006-10-12 196 Riverside Peninsular Range; Santa Ana Mountains, along road from Tenaja Gaurd Station, above Tenaja Canyon. San Mateo Canyon 599 Comment
  UCR92767  Hordeum brachyantherum F. M. Reed 1906-3-13 905 Riverside Riverside, Mesa east of Riverside. Above the Gage Canal 311 Comment
  POM263178  Hordeum brachyantherum subsp. californicum J. C. Roos 1937-5-10 429 Riverside Lake Elsinore. Comment
  UCR103749  Hordeum depressum D. E. Bramlet 1993-3-30 2302 Riverside Siegal Ranch Road approximately 60 m south of Cajalco Road and 976 m east of the intersection of Cajalco Road and Sierra Avenue, 2 m west of Siegal Ranch Road 427 Comment
  UCR75556  Hordeum intercedens A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  UCR94236  Hordeum marinum Scott D. White 1996-4-14 3892 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UC1719527  Hordeum murinum D. Atwood 1993-3-28 17710 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game. Comment
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Jun 3 2012
  UCR234426  Hordeum murinum Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  POM295696  Hordeum murinum subsp. glaucum Lyman Benson 1932-3-26 3167 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
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Dec 4 2011
  POM33520  Hordeum murinum subsp. glaucum N. C. Cooper 1944-5-6 1172 Riverside Banning. 701 Comment
  RSA775093  Hordeum murinum subsp. glaucum Duncan S. Bell, Amber Swanson 2011-2-18 2037 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA599098  Hordeum vulgare V. W. Steinmann 1996-4-13 827 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  CAS-BOT-BC148569  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  JEPS68626  Horsfordia alata Marjorie D. Clary 1931-3-29 14 Riverside desert washes of Santa Rosa Mts. Comment
  RSA5352  Hulsea heterochroma B. D. Stark 1932-6-5 3706 Riverside Hemet to Idyllwild Road, San Jacinto Mts 1524 Comment
  RSA125315  Hulsea vestita subsp. callicarpha R. Weatherby 1949-6-6 637 Riverside Santa Rosa Mountain. 1982 Comment
  UC219566  Hulsea vestita subsp. callicarpha P. A. Munz 1922-6-28 5877 Riverside near Toro Peak; Santa Rosa Mts. 2407 Comment
  RSA78308  Hymenopappus filifolius var. lugens P. A. Munz, E. K. Balls 1952-8-21 17987 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  RSA191410  Hypericum formosum var. scouleri E. W. Lathrop, R. F. Thorne 1967-9-26 6620 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR202589  Hypericum formosum var. scouleri Scott D. White, Justin M. Wood 2008-7-8 12369 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA388391  Hypericum perforatum R. F. Thorne 1985-7-18 60067 Riverside Santa Rosa Plateau: Upper Clinton Keith Road 488 Comment
  UCR34979  Hypochaeris glabra L. B. Ziegler 1968-5-14 293 Riverside San Jacinto Valley, vacant lots in city of San Jacinto. Interior Valley 473 Comment
  CAS-BOT-BC219739  Hyptis emoryi C. L. Hitchcock 1940-3-31 5895 Riverside Between Cottonwood Spring and Pinto Basin Comment
  CAS-BOT-BC219740  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Sandy floor of Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC219746  Hyptis emoryi S. B. Parish 1896-4-4 4137 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 213 Comment
  PASA1154  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  RSA0041942  Hyptis emoryi Duncan S. Bell, Loraine Washburn 2014-4-10 6594 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  RSA420161  Hyptis emoryi D. A. Young 1969-3-28 P- 312 Riverside Palm Springs. 305 Comment
  RSA5174  Hyptis emoryi Carl B. Wolf 1932-4-26 2984 Riverside Colorado Desert, 8 miles east of Mecca on Blythe road 91 Comment
  UC484148  Hyptis emoryi Carl B. Wolf 1930-4-1 1498 Riverside near Cathedral City Comment
  UCR216219  Hyptis emoryi Jim Andre, T. La Doux 2009-2-25 10800 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  POM184190  Isocoma acradenia var. eremophila M. French Gilman 1932-11-30 6 Riverside Whitewater Point. Comment
  UCR113749  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR193294  Isoetes orcuttii A. C. Sanders, Tim Thomas 2008-6-20 35544 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  SEINET3154033  Isomeris arborea L. S. Rose 1936-12-25 36819 Riverside Palm Springs 139 Comment
  SEINET5603624 Image available Jacaranda acutifolia Unknown 1961-1 Unknown Riverside Near Citrus Experimental Station, UCR Campus Comment
  UCR91457  Juglans californica Scott D. White 1995-3-30 2683 Riverside San Jacinto Valley, Moreno Valley: base of Badlands slopes, north of Highland Blvd & west of Theodore St 579 Comment
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 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 2652 Comment
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  UCR266499  Juncus bufonius Mitch Provance, Matt Amalong 2015-4-6 415- 15 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  UCR280822  Juncus bufonius T. B. Salvato, Gregg Miller 2005-6-3 1368 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR174460  Juncus bufonius var. congestus A. C. Sanders, John F. Green 2006-5-18 32376 Riverside Peninsular Range, French Valley, NE of Murrieta Hot Springs, east shoulder of Winchester Rd. (Hwy 79) just south of Benton Rd. (+- at old Benton Rd.), 0.3 mi. ESE of Adobe Spring 407 Comment
  UCR108836  Juncus effusus subsp. austrocalifornicus O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  JEPS67070  Juncus macrandrus W. L. Jepson 1903-8-8 2311 Riverside Tauquitz Valley Mt. San Jacinto 2438 Comment
  UCR264608  Juncus mexicanus Mitch Provance 2012-6-19 196- 02 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA368339  Juncus rugulosus Robert Gustafson 1980-5-5 1559 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  CAS-BOT-BC168229  Juniperus californica Mitch Provance; Kerry Knudsen; Petra Wester 2004-5-8 9003 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mi NE of Black Hills 854 Comment
  JEPS48326  Juniperus californica W. L. Jepson and W. C. Mathews 1914-5-18 6036 Riverside w of Pinyon Well Comment
  SD112324  Juniperus californica Darley F. Howe 1936-6-14 362 Riverside San Jacinto Mountains Comment
  UC1212184  Juniperus californica H. E. and S. T. Parks 1940-2-1 24176 Riverside Palms to Pines Hwy Santa Rosa Canyon 1066 Comment
  SEINET11068874  Juniperus osteosperma I. W. Clokey 1935-1 6507 Riverside Cottonwood Springs. Comment
  CAS-BOT-BC234588  Justicia californica S. B. Parish 1916-5-13 10840 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  JEPS9201  Justicia californica Marjorie D. Clary May, 1930 9 a Riverside Deep Canyon s. Colorado Desert, Santa Rosa Mts., Deep Canyon 152 Comment
  RSA682846  Justicia californica Scott D. White 2003-3-23 8839 Riverside Hwy 74 near Carrizo Creek crossing. 610 Comment
  UC972195  Justicia californica Alice Yates and Jas. E. Wilcox 1952-4-5 29 Riverside between Box Canyon and Smoke Tree Nat'l Monument 152 Comment
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Aug 21 2007
  SEINET3102118  Kallstroemia californica Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17459 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  UCR201952  Keckiella antirrhinoides Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  SEINET7072839  Keckiella antirrhinoides subsp. antirrhinoides A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR117677  Keckiella antirrhinoides subsp. antirrhinoides Scott D. White 1997-5-25 5237 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA400444  Keckiella cordifolia H. de Forest, Jack Rempel 1933-6-25 18022 Riverside Along road to Banning, San Jacinto Mts Comment
  RSA498183  Keckiella rothrockii subsp. jacintensis Anstruther Davidson 1876-7-11 s.n. Riverside Mt. San Jacinto 2439 Comment
  NY790416  Keckiella ternata subsp. ternata H. M. Hall 08 1901 2634 Riverside In the vicinity of Chalk Hill. San Jacinto Mountains. 1585.0 Comment
  CAS-BOT-BC61427  Krameria bicolor Annie M. Alexander; Louise Kellogg 1941-5-12 2165 Riverside road to Black Eagle Mine 670 Comment
  JOTR16724  Krameria erecta Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE WEST OF SPLIT ROCK 1341 Comment
  JOTR32604  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2668 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary Comment
  RSA408603  Krameria grayi Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  UCR167858  Lactuca serriola T. B. Salvato, Melissa Clemons 2005-6-23 1327 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA0105853  Lactuca serriola Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed between Riverside Ave & Market St. Bridge. Comment
  UCD63325  Lamarckia aurea H. M. Reed 1914-4-23 Riverside Box Springs Mts., arroyo to w., near Sanitarium. Comment
  UCR92449  Lamarckia aurea A. C. Sanders, J. Goetzen 1996-5-1 18127 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR157946  Lamium amplexicaule T. B. Salvato, A. C. Sanders 2005-5-17 933 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
  UC68781  Langloisia setosissima subsp. setosissima H. M. Hall Apr., 1905 5807 Riverside 10 mi. w. Coachella; Colorado Desert 152 Comment
  CAS-BOT-BC166021  Larrea tridentata Roxana S. Ferris 1918-6-13 958 Riverside 1 mi. south of Cabazon in White Water Wash Comment
  CAS-BOT-BC171124  Larrea tridentata Javier Penalosa 1963-4-10 2790 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  JOTR31951  Larrea tridentata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2188 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  POM7118  Larrea tridentata Philip A. Munz, L. T. Street 1919-3-25 2306 Riverside Palm Canyon, Palm Springs. 229 Comment
  RSA1201  Larrea tridentata B. D. Stark 1930-4-1 1494 Riverside San Gorgonio Pass. 457 Comment
  RSA390031  Larrea tridentata L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  SBBG3966  Larrea tridentata K. K. Muller 1958-3-22 922 a Riverside 5.5 mi E of Desert Center Comment
  UCSB19493  Larrea tridentata Winn, Will 1963-2-23 Riverside 4 miles E of Mecca, Coachella Valley 15 Comment
  SEINET10406507 Image available Larrea tridentata S. C. Mason 1908-1 Riverside Palm Springs Comment
  RSA500075  Lastarriaea coriacea Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3237 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA594508  Lastarriaea coriacea D. L. Banks, Dylan Hannon 1996-5-3 994 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CAS-BOT-BC338928  Lasthenia californica L. R. Abrams 1935-4-7 13667 Riverside Gavilan Hills, 2 mi. S.W. of Perris Comment
  CAS-BOT-BC354213  Lasthenia coronaria D. E. Breedlove 1962-3-11 1895 Riverside Flood plain of San Jacinto River, 6.5 miloes SE of Stat 79, on State 74 in Hemet 579 Comment
  RSA28053  Lasthenia coronaria I. L. Wiggins 1941-3-27 9695 Riverside 4 mi. north of Whitewater. Comment
  UCR142209  Lasthenia coronaria June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR240262  Lasthenia glabrata subsp. coulteri D. E. Bramlet, Robt. L. Allen, Fred M. Roberts 2011-4-30 4825 Riverside Peninsular Range; Elsinore Trough, Nichols Road wetlands area, 253 m south of Nichols Rd. & 76 m east of Baker St. 384 Comment
  JEPS29321  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-26 8417 Riverside 2.4 mi nw Romoland (s of Perris, flats on either side of creek) - Railroad Creek [San Jacinto River, flowing toward Railroad Canyon] 457 Comment
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Jul 14 2012
  UCD133817  Lasthenia gracilis R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR140303  Lasthenia gracilis A. C. Sanders 2004-4-9 27461 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR155836  Lasthenia gracilis John F. 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
  UCR225592  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-29 38884 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR237212  Lasthenia gracilis Duncan S. Bell, Valentin Arvizu 2010-5-10 985 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.4 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1365 Comment
  UCR34907  Lasthenia gracilis L. B. Ziegler 1967-4-25 124 Riverside San Jacinto Mtns Foothills, Cahuilla Indian Reservation [near Anza] 1067 Comment
  RSA406642  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1945-5-24 1637 Riverside Big Oaks Canyon, Banning. 1219 Comment
  RSA510024  Lathyrus vestitus subsp. laetiflorus B. Pitzer, E. Misquez 1988-2-28 616 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SJSU11677  Layia glandulosa J. W. Tofflemire 1957-4-18 Riverside by Bautista Canyon Rd 4 mi SE of Hemet Comment
  UC62902  Layia glandulosa H. M. Hall 1902-4-1 2900 Riverside vicinity Winchester 762 Comment
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Mar 20 2011
  HSC5906  Layia platyglossa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23095 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  JEPS40024  Layia platyglossa W. L. Jepson 1901-5-20 1320 Riverside Thomas Valley; Mt. San Jacinto Range 1341 Comment
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Feb 16 2013
  SEINET7073395  Layia platyglossa A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC828958  Layia platyglossa Munz and Johnston 1922-5-19 5419 Riverside Hemet Valley; San Jacinto Mountains 1402 Comment
  UCR847  Layia platyglossa subsp. campestris Leland R. Dykes 1962-4-6 26 Riverside Lake Matthews area; off La Sierra Ave., 5.8 mi from Riverside Freeway Comment
  UCR211724  Lemna minuscula Fred M. Roberts, Ileene Anderson 2005-5-20 6208 Riverside Perris Basin, San Jacinto Valley, field 0.5 km west of Sanderson Road, 3.2 km southwest of Gilman Hot Springs 446 Comment
  CAS-BOT-BC534944  Lemna minuta W. R. Dudley; C. H. Thompson 1903-12-26 s.n. Riverside Palm Canyon Comment
  SEINET10449124  Lepidium David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3757 Riverside Found in wash above quad. 6. Indio hills, colorado desert. Near pushawalla. Comment
  UC494743  Lepidium fremontii C. L. Hitchcock 1932-4-8 12221 Riverside 1 mi w Cottonwood Springs (e Riverside County) Comment
  UCR142746  Lepidium fremontii C. B. Wolf 1932-4-27 3043 Riverside Western Colorado Desert, Chuckwalla Valley, Mecca to Blythe road [Hwy 10], 0.75 mile west of Utopia 152 Comment
  SEINET9119074  Lepidium fremontii D. Myrick 1965-1 1072 Riverside Joshua Tree National Monument near White Tank Public Camp. 762 Comment
  RSA0106698  Lepidium lasiocarpum Duncan S. Bell, Thomas Stoughton 2010-3-19 567 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA162684  Lepidium lasiocarpum J. D. Olmsted 1958-3-29 71 Riverside 3 miles N of Cottonwood Spring in Joshua Tree national Monument which is 8 miles from the southern entrance. 991 Comment
  UC10638  Lepidium lasiocarpum var. lasiocarpum W. G. Wright 1889-1 1756 Riverside Colorado Desert Comment
  POM308550  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3145 Riverside Palm Springs Comment
  RSA0050088  Lepidospartum squamatum Sarah J. De Groot, Cheryl S. Sevilla 2014-8-4 7222 Riverside Mission Creek drainage, maybe 1/2 mile above the west fork. Southwest of Morongo Valley, northwest of Desert Hot Springs. 786 Comment
  CAS-BOT-BC274020  Leptochloa fusca subsp. uninervia E. A. McGregor 1917-3-19 797 Riverside Colorado Desert. Indio Sands Comment
  CLARK-A1528-4712  Leptochloa uninervia John C. Roos 1965-9-5 Riverside Blythe Comment
  UCR110386  Leptochloa uninervia A. C. Sanders, Mitch Provance 1999-9-26 23106 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA359855  Leptosiphon androsaceus Steve Boyd 1986-4-2 1631 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA73013  Leptosiphon lemmonii F. W. Peirson 1919-4-15 943 Riverside Whitewater Grade east of Banning 610 Comment
  RSA0013024  Leptosiphon liniflorus LeRoy Gross, Caitlin Elam 2013-5-14 6041 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
  RSA262081  Leptosiphon liniflorus E. W. Lathrop 1968-5-22 6945 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SD3882  Leptosiphon liniflorus Florence Youngberg 1933-8-28 Riverside San Jacinto Mountains; Idyllwild Pines. Comment
  RSA92587  Leptosiphon liniflorus J. C. Roos 1952-5-26 5712 Riverside Hass' Ranch. Reche Canyon. 457 Comment
  SBBG101798  Leptosiphon parviflorus S. Boyd, L. Arnseth, O. Mistretta 1991-5-6 6149 Riverside S side of Elsinore Peak 1036 Comment
  UC1378940  Lesquerella tenella Reed C. Rollins 1967-4-17 6755 Riverside near Cottonwood Springs campground; Joshua Tree National Monument, near Cottonwood Springs campg Comment
  UCR231200  Lessingia filaginifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39931 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  SBBG63084  Lessingia glandulifera var. glandulifera R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  CAS-BOT-BC283714  Leymus condensatus H. M. Hall 1899-6-2 1218 Riverside In dry wash of Temecula River Comment
  POM147626  Leymus triticoides F. M. Reed 1926-5-20 5372 Riverside alkaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, ca. 7 mi. due W of Temecula] 625 Comment
  RSA357754  Lilaea scilloides Robert F. Thorne 1973-5-23 43841 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR217561  Lilium humboldtii subsp. ocellatum Jeff B. Galvin 2008-6-26 72 Riverside Peninsular Ranges, Santa Ana Mountains, Horse Thief Canyon, 1.3 km SE of Trabuco Peak 955 Comment
  UCR3737  Lilium parryi Frank C. Vasek 1964-7-25 640725- 01 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  RSA588982  Limosella aquatica D. Bramlet 1992-5-15 2282 Riverside Pipeline seep located south of Lakeview hot springs and just S. of the MWD access road. The site is located some 833m. west of the San Jacinto River and 433m eat of the intersection of Pozos Rd. and the MWD pipeline maintenance road. Comment
  RSA160526  Linanthus californicus J. D. Olmsted 1959-4-10 343 Riverside 3 miles south of Banning on highway to Idyllwild. 1067 Comment
  RSA192031  Linanthus californicus E. W. Lathrop 1966-3-2 6049 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  UCR277166  Linanthus dianthiflorus Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  UCR281228  Linanthus dianthiflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 46 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  RSA68310  Linanthus dianthiflorus subsp. dianthiflorus G. R. Campbell 1951-5-30 16114 Riverside 9 miles west of Anza. 1067 Comment
  UCR54447  Linanthus floribundus subsp. hallii A. C. Sanders, E. J. Lawlor 1988-10-22 8722 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  UC73653  Linanthus lemmonii M. F. Gilman 1904-1 27 Riverside Banning Comment
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Mar 13 2011
  RSA357775  Linanthus maculatus R. F. Thorne, M. Z. Thorne 1973-3-30 42656 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  UCR133428  Linanthus parviflorus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 459 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  POM13055  Linanthus pungens E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mountains, Tacquitz Comment
  SEINET273138 Image available Linaria canadensis var. texana O. F. Clarke 1997-3-4 5454 Riverside Riverside: vacant lot at back of St. George's Episcopal church corner of SPruce St. and Watkins Dr. 305 Comment
  UCR281260  Linaria canadensis var. texana Mitch Provance, Jeremiah George 2017-3-21 317- 59 Riverside Temescal Valley, S side of Highway I-15, 0.2 miles SSE of Glen Eden Rd. and De Palma Rd. 396 Comment
  UCR51066  Linaria canadensis var. texana S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  RSA489832  Linum lewisii D. Charlton 2127 Riverside Santa Rosa Mtns., South of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area W side. 2287 Comment
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Mar 16 2014
  RSA0018465  Lithophragma affine Duncan S. Bell, Valentin Arvizu 2010-5-24 1099 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  UCR91218  Lithophragma affine Scott D. White 1996-3-31 3859 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
  RSA0010988  Lithophragma affine Thekla Mohr 1920-05 s.n. Riverside Ivy Canyon, Temescal. Comment
  GMDRC7792  Loeflingia squarrosa J. M. Andre 2015-3-6 33556 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  RSA593877  Loeflingia squarrosa Steve Boyd, David E. Bramlet 1996-4-19 8623 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, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
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Mar 20 2011
  UC120278  Loeflingia squarrosa var. squarrosa D. Cleveland 1882-5-3 Riverside San Jacinto Plain Comment
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Nov 9 2009
  JOTR35467  Loeseliastrum schottii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 70 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop5) 1493 Comment
  POM75005  Loeseliastrum schottii Marcus E. Jones 1906-4-27 9983 Riverside Palm Springs. Comment
  RSA689548  Loeseliastrum schottii Scott D. White, Michael Honer 2003-4-25 9123 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA781176  Logfia arizonica D. Silverman, Onkar Singh 2010-3-25 7843 Riverside NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Road, 4.9 km west of McCoy Wash, and 8.8 km north of I-10 151 Comment
  CAS-BOT-BC342261  Logfia filaginoides Ira L. Wiggins 1941-3-27 9702 A Riverside Slopes 4 miles north of Whitewater Comment
  JOTR34291  Logfia filaginoides Andre, Jim 2012-4-11 20700 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SD144488  Logfia filaginoides A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19890 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn, along the road. 518 Comment
  UCR89758  Logfia gallica Scott D. White 1993-5-27 1426 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SEINET251729 Image available Lolium multiflorum Walter Graves 602 -9 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  UCR183028  Lolium perenne subsp. multiflorum Mitch Provance 2001-4-21 2976 C Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  SEINET251730  Lolium rigidum Walte Graves 2002-6-11 602 -1 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  JOTR32144  Lomatium mohavense La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2300 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UC667252  Lomatium mohavense Annie M. Alexander and Louise Kellogg 1941-4-27 2089 Riverside Riverside & San Bernardino Col.'s, Joshua Tree Nat'l Monument Riverside & San Bernardino Col.'s, Joshua Tree Nat'l Monumen 1310 Comment
  UC555538  Lotus argophyllus H. L. Mason 1926-4-30 3116 Riverside 1 mi s Temecula; Temecula Canyon Comment
  RSA568541  Lotus argophyllus var. argophyllus B. C. Templeton 1931-4-23 s.n. Riverside Between Perris and Gavilan Peak. Comment
  RSA0043379  Lotus crassifolius John F. Emmel 1996-6-16 1411 Riverside San Jacinto Mts.; along Spitler Peak Trail, 0.1-0.2 trail mile west of junction with Pacific Crest Trail. 2072 Comment
  UC454101  Lotus grandiflorus I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UCR19766  Lotus grandiflorus W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA407730  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  POM12088  Lotus nevadensis var. nevadensis Mary F. Spencer 1921-6-2 89 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  UCR159142  Lotus procumbens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16218 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR135983  Lotus purshianus A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27905 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UCR257222  Lotus purshianus Naomi Fraga, Et al. 2008-8-28 2610 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 Comment
  CDA27284  Lotus rigidus T. C. Fuller 1963-4-23 10293 Riverside Sac Jacinto Mountains; Highway 47 to Palm Desert just east of Pinyon Flat. 0 Comment
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Sep 4 2011
  POM320471  Lotus salsuginosus var. salsuginosus Greg Wright 1971-4-17 12 Riverside Corona Skyline Drive, southwest of Corona, Cleveland National Forest. 366 Comment
  RSA614136  Lotus scoparius D. L. Banks 1997-2-23 1303 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
  RSA314658  Lotus scoparius var. brevialatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55476 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UC665832  Lotus scoparius var. brevialatus Ira L. Wiggins 1941-3-27 9699 Riverside 4 mi n Whitewater Comment
  RSA524452  Lotus scoparius var. scoparius Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4088 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA583367  Lotus strigosus Steve Boyd, Darin Banks 1995-4-5 8431 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
  RSA702212  Lotus strigosus Scott D. White, Michael Honer 2004-3-11 9901 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  RSA777388  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 783 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR90370  Lotus strigosus Scott D. White 1995-6-30 3430 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  POM9588  Lotus strigosus I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road[Wineville = Mira Loma] Comment
  RSA0037334  Lotus strigosus Bob Rogers 1984-5-5 33 Riverside Collected along a trail bordering the west side of Fuller Mill Creek heading upstream. Starting point was on the North side of Hwy 243, 11.6 miles from hwy 74/hwy 243 jctn. 1524 Comment
  RSA524481  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4045 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR214577  Lotus strigosus var. strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37858 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  CLARK-A1528-2810  Lotus subpinnatus John C. Roos 1952-4-9 5478 Riverside Riverside 259 Comment
  CLARK-A1528-2812  Lotus tomentellus John C. Roos 1937-4-18 1355 Riverside Whitewater Comment
  RSA356739  Lupinus agardhianus R. F. Thorne 1973-5-23 45531 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  UCR1291B  Lupinus albifrons Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 150 yd east of Teneja Rd. and c. 8 mi from the junction with Washington Ave., Murrieta 732 Comment
  RSA450526  Lupinus arizonicus B. A. Prigge 1988-2-21 7836 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  SD113679  Lupinus arizonicus Darley F. Howe 1949-3-21 1938 Riverside 4 miles east of Mecca. 29 Comment
  SD48478  Lupinus arizonicus E. K. Balls, P. C. Everett 1958-3-20 22937 Riverside South base of Eagle Mountains, US Hwy 60/70 366 Comment
  SJSU1877  Lupinus arizonicus J. W. Tilden 1957-4-18 1093 Riverside near Whiteater, E of San Gorgonio Pass Comment
  UC279692  Lupinus arizonicus Edmund C. Jaeger 1926-2-20 Riverside near Salton Sta. (Canyon Springs); near Salton Sta., Canyon Springs Comment
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Jan 21 2008
  SEINET6180880  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6423 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe.; 0 290 Comment
  RSA715328  Lupinus bicolor John Green 2006-4-27 s.n. Riverside Peninsular ranges, Foothills of Santa Ana Mtns./Santa Rosa Plateau: Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte. 351 Comment
  RSA792468  Lupinus bicolor Justin M. Wood 2011-4-4 3403 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  SEINET2062596  Lupinus bicolor A. C. Sanders, K. Rose, D. Woodard 1995-3-22 16227 Riverside San Gorgonio Pass, San Jacinto Mountains, on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabezon. 390 Comment
  UCD107297  Lupinus bicolor C. V. Meyer 1929-6-18 767 Riverside Hemet Valley, San Jacinto Mts. 1341 Comment
  UCR139094  Lupinus bicolor Scott D. White 1997-5-18 5155 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR173150  Lupinus bicolor Abby Sirulnik 2000-4-25 18 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR43179  Lupinus bicolor B. G. Pitzer, Karen Kirtland 1986-5-6 0201 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  CLARK-A1528-1162  Lupinus bicolor subsp. microphyllus Cameron Duncan 1966-3-13 Riverside Riverside 548 Comment
  UCR241221  Lupinus concinnus Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1010 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  POM159827  Lupinus concinnus subsp. optatus E. C. Jaeger s.n. Riverside Santa Rosa Indian Reservation Comment
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Nov 6 2011
  RSA503885  Lupinus excubitus var. hallii N. C. Cooper 1945-5-24 1639 Riverside Big Oaks Canyon, Banning. 1220 Comment
  JOTR01084  Lupinus excubitus var. hallii Cole, James E. 1941-5-19 720 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  RSA0125292  Lupinus hirsutissimus Duncan S. Bell 2016-3-3 8778 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA561812  Lupinus hirsutissimus Steve D. Boyd 1992-4-14 6832 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR230769  Lupinus hirsutissimus A. C. Sanders 2010-4-7 37822 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  POM123547  Lupinus latifolius subsp. parishii Philip A. Munz, I. M. Johnston 1924-7-27 8729 Riverside Deer Springs, San Jacinto Mts 2500 Comment
  RSA413836  Lupinus latifolius subsp. parishii M. B. Dunkle 1933-7-20 3713 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA413759  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR174247  Lupinus microcarpus A. C. Sanders, T. B. Salvato 2006-6-2 33071 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR132859  Lupinus microcarpus var. densiflorus Kent Beaman 1983-4-24 15 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  UCR90607  Lupinus microcarpus var. densiflorus Scott D. White 1995-6-29 3391 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA0003356  Lupinus microcarpus var. densiflorus Mary F. Spencer 1920-4-11 96 Riverside Palm Springs. Comment
  SBBG98278  Lupinus sparsiflorus E. K. Balls 1949-4-2 12895 Riverside Hwy 111 between Mecca and Mortmar -60 Comment
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Jun 24 2012
  SEINET10490965  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne 1983-4-23 Thorne 55442 Riverside San bernardino mts. Mouth of whitewater canyon, e of whitewater post office at South end of ridge, in sandy wash e of bridge, and on base of west-facing slope Of ridge. Bluish-flowered annual growing on talus slope e of bridge. 411 Comment
  RSA771655  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4913 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
  POM14115  Luzula comosa Phillip A. Munz 1922-5-19 5396 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  RSA249830  Luzula comosa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38075 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  CAS-BOT-BC233505  Lycium cooperi Peter H. Raven 1958-5-5 12888 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  UC884602  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  RSA650056  Lycium pallidum var. oligospermum N. J. Chatterton, C. M. McKell 1966-4-26 s.n. Riverside Gold Valley Ranch. Table Top Mtns. Comment
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Jun 9 2013
  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
  SD241094  Lythrum californicum A. C. Sanders, John F. Green 2012-5-27 40211 Riverside Peninsular Range: Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Road (Romoland 7.5'Q) 427 Comment
  RSA645537  Machaeranthera asteroides var. asteroides Scott D. White 1995-8-23 3589 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  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
  CLARK-A1528-5378  Machaeranthera tephrodes John C. Roos 1951-10-19 5330 Riverside San Jacinto River 457 Comment
  RSA674531  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  SEINET11981875  Malacothamnus davidsonii E. A. Purer 1935-1 6472 Riverside E slope of San Jacinto Mt., western Colorado Desert Comment
  RSA0087586  Malacothamnus fasciculatus C. W. Tilforth 1969-7-26 221 Riverside Road to Santa Rosa Mtn. Comment
  POM10232  Malacothrix californica Charlotte M. Wilder 1904-5-15 124 Riverside North side of Jurupa Hills, near Riverside Comment
  POM37220  Malacothrix californica Marcus E. Jones 1903-5-1 s.n. Riverside Banning 701 Comment
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Mar 13 2011
  RSA752792  Malacothrix californica Scott D. White, Justin M. Wood 2009-5-21 12863 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  SEINET11601600 Image available Malacothrix coulteri M. Alice King s.n. Riverside Menifee Comment
  RSA278966  Malacothrix glabrata B. A. Prigge 1978-3-23 2413 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR103992  Malacothrix glabrata George K. Helmkamp 1998-4-3 3079 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR84640  Malacothrix glabrata Scott D. White, Steve Ogg 1994-4-21 1986 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA160431  Malacothrix saxatilis J. D. Olmsted 1959-4-17 397 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
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Nov 19 2011
  RSA543128  Malosma laurina Steve Boyd 1991-3-17 5470 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SDSU13589  Malosma laurina W. Miller, C. Mosse 1972-7-5 Riverside Comment
  SEINET10625161  Malva parviflora Nye Leith, Greg Gust 2005-3-11 Nye 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR123835  Malva parviflora Steven R. Hill, K. Kramer 2001-4-27 33476 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  RSA0105864  Malva parviflora Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  OBI37525  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Murrieta area, Clinton Kieth Rd, just E of the Bear Crk dev golfcourse Comment
  UCR4146  Marah macrocarpa Ronald M. Cope 1965-3-20 s.n. Riverside San Jacinto Mtns., beside road from Idyllwild to Banning, seven miles below Lake Fulmor [vicinity of McMullen Flat] 1220 Comment
  RSA404236  Marina parryi M. B. Dunkle 1935-3-30 4424 Riverside Pinto Basin, Colorado Desert. 915 Comment
  CLARK-A1528-3624  Marsilea vestita John C. Roos 1965-9-16 Riverside Lakeview Comment
  UCR260136  Matelea parvifolia Jim Malusa, A. C. Sanders 2015-3-10 s.n. Riverside Sonoran (Colorado) Desert, Chocolate Mountains, north end of the range 0.3 mi. SE of Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR78096  Meconella denticulata Steve Boyd 1991-5-20 6269 Riverside Santa Ana Mtns., NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary 671 Comment
  CSUSB1099  Medicago sativa Heather Johnston 1967-5-21 052167 3 Riverside By exit from route 395 onto Lawless Road. 365 Comment
  SEINET5799585 Image available Melica Marcus E. Jones 1882-1 Riverside San Jacinto; 33.783908 -116.958635 Comment
  UCR155943  Melica frutescens T. B. Salvato, Kent Beaman 2005-5-16 815 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
  SD137951  Melica imperfecta Darin L. Banks, Steve Boyd 1995-5-3 273 Riverside N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove area, along the lower alluvial benches of Arroyo Seco 512 Comment
  SD197629  Melica imperfecta Mike Misenhelter 2005-6-8 Riverside Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Highway 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1000 Comment
  SEINET251739 Image available Melica imperfecta A. C. Sanders 2004-4-20 27548 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of San Diego county line(Fallbrook 7.5' Q.: Near 33. 29'34'N -117.21'56'W) 640 Comment
  SEINET7097940  Melica imperfecta A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27 converted to WGS84 decimal degrees) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  UC1930074  Melica imperfecta Scott D. White, Michael Honer 2003-4-4 8927 Riverside TEMESCAL CANYON: Dissected bajada bench, below and east of Horsethief Canyon; immediately south of I-15 Freeway. (Alberhill) Comment
  CSUSB1113  Melilotus indicus Karen Cook 1966-5-16 Riverside 15 feet due south southwest of west end of Humanities building on the UCR campus in city of Riverside. 304 Comment
  CSUSB1308  Melilotus indicus Bob Sullivan 1966-3-26 Riverside UCR campus in Riverside, behind the life science building. 228 Comment
  UC1329998  Menodora scabra var. glabrescens James E. Cole 1941-5-30 839 Riverside Lost Horse Mine Road Joshua Tree National Monument 1432 Comment
  UC56213  Mentzelia affinis H. M. Hall Apr. 1903 3829 Riverside vicinity Riverside; Southern California 365 Comment
  UC64310  Mentzelia dispersa H. M. Hall June 1897 657 Riverside vicinity Strawberry Valley; San Jacitno Mountains 1584 Comment
  RSA239809  Mentzelia involucrata C. W. Tilforth 1973-4-29 774 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  UCR232515  Mentzelia involucrata Dave Silverman 2010-3-30 7890 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
  RSA49187  Mentzelia involucrata var. megalantha P. A. Munz 1949-4-12 13032 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  UC665898  Mentzelia longiloba Ira L. Wiggins 1941-3-26 9667 Riverside 1/2 mi s Highway #60 (on desert road to Wiley Well.) Comment
  UC724205  Mentzelia longiloba Aven and Ruth Nelson 1939-3-30 3336 Riverside near Desert Center (hiway 60) Comment
  SEINET3005059  Mentzelia multiflora subsp. longiloba G. Rink 2011-4-29 10497 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  RSA446831  Mentzelia obscura N. C. Cooper 1949-4-8 3303 Riverside Desert Center. 610 Comment
  SDSU8093  Mentzelia veatchiana H. Wedberg 1962-4-20 914 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  SEINET4560761  Mercurialis annua O. F. Clarke 2011-1 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 365 Comment
  CAS-BOT-BC435296  Mesembryanthemum nodiflorum A. C. Sanders; Guy Bruyea 2003-6-12 26889 Riverside Perris-Aguanga Basin Region: Winchester, SW edge of town between Simpson Ave. and Olive Ave., ca. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  HSC85400  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Temescal Canyon, Warm Springs Valley, Alberhill Creek E of Nichols Rd. 366 Comment
  SEINET273066  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd.side 1550 Comment
  RSA716263  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR116413  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24187 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
  UCR152633  Microseris lindleyi A. C. Sanders 2005-4-22 29590 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA0018782  Mimetanthe pilosa N. C. Cooper 1949-6-29 4333 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA0018778  Mimetanthe pilosa M. Alice King 1893-07 257 Riverside Rayneta [Idyllwild], San Jacinto Mts. Comment
  RSA587176  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-6-2 560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  SEINET3208883  Mimulus aurantiacus var. pubescens G. Goodwin 2012-6-14 3437 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  POM8965  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2298 Riverside Butte west of Lakeview. 610 Comment
  RSA285893  Mimulus aurantiacus var. puniceus D. C. Michener 1982-5-24 4048 Riverside Main divide truck route to Santiago Peak ca 6 mi. north of El Cariso. Comment
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCR72232  Mimulus bigelovii Theo Glenn 1991-5-24 91- 130 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  SEINET7881834 Image available Mimulus bigelovii Helen K. Sharsmith 1952-1 4061 Riverside Lost Palms Cyn Eagle Mts ca 2 mi from Shaver Summit 671 Comment
  UC1080454  Mimulus bigelovii var. bigelovii P. C. Everett and E. K. Balls 1958-4-29 23017 Riverside 1 mi w Cactus City (U.S. Hwy. 60/70, Indio to Blythe) 548 Comment
  RSA5557  Mimulus bigelovii var. bigelovii B. D. Stark 1932-6-17 3746 Riverside Canyon above Cottonwood Springs, Eagle Mts., Colorado Desert 305 Comment
  RSA796511  Mimulus brevipes Robert F. Thorne, E. W. Lathrop 1977-5-18 49721 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR120826  Mimulus brevipes Ian G. Gillespie 2000-4-27 28 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 412 Comment
  UCR15994  Mimulus brevipes Joe Buriel 1966-4-6 s.n. Riverside Peninsular Range, Robb Road [=Lake St.], 1 mi south of Temescal Canyon Road, 2 mi northwest of Lake Elsinore 459 Comment
  UCR145962  Mimulus cardinalis June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR154376  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-6-15 30953 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR202242  Mimulus fremontii Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCSB7464  Mimulus guttatus Wilson, Richard 1958-5-17 Riverside 10 miles SE of Banning; on State 74; San Jacinto Mtns 1158 Comment
  UCR43426  Mimulus johnstonii B. G. Pitzer 1986-5-24 234 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  RSA585512  Mimulus palmeri D. L. Banks, S. D. Boyd 1995-5-9 373 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 710 Comment
  SEINET7097939  Minuartia douglasii A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  UCR75061  Mirabilis bigelovii A. C. Sanders, E. J. Lawlor 1992-4-4 12126 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  NY199128  Mirabilis laevis var. crassifolia D. K. Christopher 2003-4-6 101 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Road 540 Comment
  RSA0027984  Mirabilis laevis var. crassifolia G. Gust, L. Nye 2005-3-11 545 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 miles W of Lake Elsinore on hill slope pullout. 691 Comment
  UC1007219  Mirabilis laevis var. crassifolia Philip A. Munz 1940-3-22 15654 Riverside Whitewater Canyon, 2 miles N of Banning-Indio Boulevard Comment
  RSA701029  Mirabilis laevis var. glutinosa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  PASA595  Mirabilis laevis var. retrorsa 1929-3-3 Riverside Hidden Springs, Colorado desert Comment
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Jun 24 2016
  SD260077  Mirabilis laevis var. retrorsa J. Andre 2012-4-11 20786 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface os steep rocky hills and large wash. 729 Comment
  CAS-BOT-BC434880  Mirabilis multiflora var. pubescens H. M. Hall 1901-6-1 2162 Riverside San Jacinto Mountains. Vandeventer Flat 1386 Comment
  UC219570  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek; San Jacinto Mts, Hemet Valley 1463 Comment
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Mar 25 2011
  JEPS9988  Mohavea confertiflora E. E. Schellenger May 1920 Riverside e of Coachella (Colorado Desert); Colorado Desert Comment
  JOTR31982  Mohavea confertiflora La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2157 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA408763  Mohavea confertiflora George R. Johnston, G. R. Johnston 1930-4-14 14660 Riverside Shaver's Well Riverside. Comment
  RSA517244  Mohavea confertiflora Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1335 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  SBBG54992  Mohavea confertiflora D. Keil, M. McLeod, D. Walters 1977-3-27 12062 Riverside Box Cyn Rd, ca. 20 mi ENE of Mecca, Orocopia Mtns 274 Comment
  JOTR29181  Mollugo cerviana La Doux, Tasha 2003-9-24 1258 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  SD229198  Monardella breweri subsp. lanceolata Dick Schwenkmeyer 2012-6-27 746 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  RSA741177  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-6-17 12179 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  LA96099  Monardella nana Elizabeth McClintock; H. Lewis 1941-6-22 70 Riverside Stone Creek, on the Banning-Idyllwild road Comment
  UC1499907  Monardella nana Elizabeth McClintock 1941-6-8 66 Riverside 0.2 mi east of Ribbonwood Camp, Pines to Palms Highway Comment
  RSA750405  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 68 Riverside 1.5 miles E of Ribbonwood. Pines to Palms Highway. Comment
  UCR221482  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 057 Riverside Peninsular Range; Santa Rosa Mtns., road to Santa Rosa Mtn., 0.5 mi. above Pines to Palms Highway 1479 Comment
  SEINET10582211  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 51 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  POM363583  Monoptilon bellioides A. C. Life 1928-3-17 15744 Riverside Colorado Desert, Painted Canyon Comment
  POM363591  Monoptilon bellioides P. J. Remple 1942-3-1 s.n. Riverside Palm Springs (Sapp's Place) Comment
  RSA25353  Monoptilon bellioides C. L. Hitchcock 1940-4-4 5943 Riverside Pinto Basin. Comment
  RSA4890  Monoptilon bellioides C. B. Wolf 1932-4-27 3006 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA678216  Monoptilon bellioides Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1083 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UCR4008  Monoptilon bellioides Val Chase 1965-3-7 3 B Riverside Western Colorado Desert, 6 miles NW of Thousand Palms on the road to Hidden Springs Ranch to the west of the road in high parts of a rocky wash 244 Comment
  RSA0105391  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1940-4-14 2003 Riverside Colorado Desert, north of Blythe. Comment
  SEINET10800999  Monoptilon bellioides David B. Dunn 1946-3-17 Dunn 2086 Riverside Very sparse specimens gathered over about 5 areas of ravine and plateau east of Palms. Pushawalla Canyon. Indio Hills. Comment
  JOTR33738  Muhlenbergia microsperma La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2737 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA403581  Muhlenbergia microsperma A. Dunn 1932-3-26 s.n. Riverside Box Canyon Comment
  RSA605174  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. J. MacKay, et al. 1995-3-19 16182 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  UCR168444  Muhlenbergia microsperma P. A. Munz, R. D. Harwood 1920-2-28 3238 Riverside Santa Ana Mtns. region, 2 miles SE of Corona 305 Comment
  JOTR34100  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  UCR163817  Muhlenbergia rigens John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  POM307297  Muilla maritima Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2155 Riverside Santa Rosa Mountains. Comment
  UCR87898  Muilla maritima A. C. Sanders 1994-5-30 14587 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR83570  Myosurus minimus subsp. apus Scott D. White 1993-3-12 1142 Riverside San Jacinto Valley, between aqueduct and Warren Rd. 457 Comment
  SD181815  Myriopteris newberryi Scott D. White, Tasha La Doux 2000-4-20 7676 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA721839  Nama demissa J. R. Bruff 1928-4-2 100 Riverside Canyon 1 mile west of Morengo Comment
  SD143517  Nama demissa var. demissa W. L. Halvorson 1977-3-8 77 85 Riverside 1.0 mile south of the south entrance to Joshua Tree National Monument. Comment
  UC1069111  Nama demissa var. demissa H. S. Yates 1936-4-7 5424 Riverside near Whitewater; San Jacinto Quad., near Whitewater Comment
  RSA0108938  Nama hispida Duncan S. Bell, Amanda Bell 2012-1-28 3072 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  POM10017  Nassella cernua C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  RSA192227  Nassella cernua E. W. Lathrop 1960-5-6 4789 Riverside 10 miles west of Murrieta. Comment
  RSA627383  Nassella lepida H. A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns: Bautista Canyon, above confluence with Horse Creek., 33Y'38'N, 116Y'48'W 878 Comment
  RSA791727  Nasturtium officinale R. F. Thorne 1995-3-29 63019 Riverside White Water Canyon 600 Comment
  UCR158284  Navarretia atractyloides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30109 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
  UCR174094  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32550 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  UC1333285  Navarretia hamata subsp. hamata Charles B. Fiker 1946-6-17 3583 1/2 Riverside San Mateo Canyon Comment
  UCR139139  Nemacladus longiflorus John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., Juan Diego Flat, NW of Cahuilla Mountain 1220 Comment
  RSA500551  Nemacladus longiflorus var. longiflorus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3600 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA775292  Nemacladus orientalis Duncan S. Bell 2011-3-20 2065 Riverside Orocopia Mountains; on the southeast side of the mountain range near Red Canyon. 429 Comment
  JEPS5404  Nemacladus pinnatifidus W. L. Jepson 1928-4-25 12601 B Riverside Cottonwood Springs; Colorado Desert, Eagle Mountains Comment
  RSA79176  Nemacladus sigmoideus P. A. Munz 1952-5-2 16239 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  RSA777653  Nemacladus tenuis var. aliformis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 755 B Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA799238  Nemacladus tenuis var. aliformis Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 A Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  SBBG7470  Nemacladus tenuis var. tenuis H. and M. Dearing 1937-4-10 1834 Riverside Thousand Palms Cyn Comment
  JEPS3135  Nemophila menziesii Carl V. Meyer June 1927 185 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow (San Jacinto Mountains) 1676 Comment
  RSA596161  Nicotiana glauca D. L. Banks 1996-11-7 1214 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., On the main road in the Reservation, 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA155546  Nicotiana obtusifolia L. S. Rose 1962-3-3 62014 Riverside Palm Desert. 152 Comment
  SD84925  Nicotiana obtusifolia Walter Zabriskie, Nancy Ryan Zabriskie 1972-3-27 474 Riverside San Jacinto Mountains, North Canyon, Andreas Canyon watershed, east slope 370 Comment
  UCR239209  Nicotiana obtusifolia Steven R. Hill 2001-5-3 33670 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  SBBG120594  Nicotiana quadrivalvis A. C. Sanders 2006-5-19 32426 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  SD134472  Nitrophila occidentalis Craig Reiser 1988-7-1 Riverside Near Gilman Hot Springs Comment
  UC844076  Nolina bigelovii Carl B. Wolf 1932-10-13 4315 Riverside 1/2 mi before reaching Cottonwood Springs; Colorado Desert, Eagle Mts. 289 Comment
  HSC961  Notholaena californica L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 183 Comment
  CSUSB208  Oenothera deltoides Steve G. Nelson 1974-4-13 Riverside Two miles north of US Highway 10 on Washington. Found 200 yards from road in sand dunes. 152 Comment
  RSA719068  Oenothera deltoides Michael Honer 2005-3-18 2098 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  UC1186574  Oenothera deltoides subsp. deltoides J. W. MacSwain and R. W. Thorp 1959-3-7 59 -47 Riverside 2 mi w Hopkins Well Comment
  UCR145793  Oenothera elata subsp. hookeri June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  POM14009  Oenothera primiveris subsp. bufonis P. A. Munz, D. D. Keck 1922-4-9 4748 Riverside Shavers Well, near Mecca. 76 Comment
  RSA726578  Oenothera primiveris subsp. bufonis Naomi S. Fraga, Lisa Rojas 2005-2-10 1418 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA0102412  Oenothera refracta Lyman Benson, Robert Benson 1952-4-8 14851 Riverside 2 miles west of Shaver Summit east of Indio, U.S. 66. 609 Comment
  POM14222  Olneya tesota Philip A. Munz, D. D. Keck 1922-4-9 4920 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  RSA0038513  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12 -82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  UCR266156  Oncosiphon piluliferum R. E. Riefner Jr. 2015-3-24 15- 97 Riverside Perris-Agunaga Basin, city of Perris, Case Road at Watson Road 450 Comment
  POM281247  Opuntia basilaris var. basilaris H. G. Rush 1951-6-3 201 Riverside Colorado Desert; 13 miles north of Blythe on Hwy 95. 84 Comment
  SEINET10732264  Opuntia parryi Andrew Townesmith, Karen M. Meyer; Tracy Scott 2007-3-17 Townesmith 691 Riverside San Bernardino National Forest, San Jacinto Ranger District. 0.9 miles NE of route 74 on Apple Canyon Road. T6S R3E S3 San Bernardino meridian. 1358 Comment
  UC887977  Orobanche bulbosa P. A. Munz and I. M. Johnston 1922-5-19 5330 Riverside 5 mi ne of Murietta 457 Comment
  CLARK-A1045-166  Orthocarpus densiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA409108  Orthocarpus purpurascens Ora M. Clark 1929-4-6 1957 Riverside S of Hemet. Comment
  RSA487430  Orthocarpus purpurascens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR201478  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  POM13102  Oxytheca emarginata P. A. Munz, Johnston 1922-5-20 5495 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  RSA544399  Oxytheca emarginata Steve Boyd, Tim S. Ross 1991-6-8 6326 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  UC465835  Oxytheca trilobata F. M. Reed 1908-7-14 2555 Riverside ridge above Strawberry Valley; San Jacinto Mountains 1737 Comment
  SBBG65762  Palafoxia arida M. N. Ackley -Feb-1926 256 Riverside near Edom 64 Comment
  SFV4388  Palafoxia arida F. M. Ball 1964-1-4 66 2 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  SEINET10875583  Palafoxia arida David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3725 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  JEPS20307  Palafoxia arida var. arida Lewis S. Rose 1957-1-3 57009 Riverside La Quinta 15 Comment
  POM363755  Palafoxia arida var. arida A. Menke 1955-4-26 s.n. Riverside Indian Wells. Comment
  RSA0043062  Palafoxia arida var. arida Jim Andre 2014-1-27 26663 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA23143  Palafoxia arida var. arida I. L. Wiggins 1938-3-19 8902 Riverside 25 miles W of Blythe. Comment
  RSA772528  Palafoxia arida var. arida Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4434 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. 487 Comment
  SEINET11810388  Palafoxia linearis J. F. Bright, Wyman, C. 1933-1 8069 Riverside near Palm Springs Comment
  CAS-BOT-BC253749  Panicum capillare Scott D. White; Steve Ogg 1994-10-17 2489 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel directly W of Cherry Street 315 Comment
  POM78993  Panicum capillare I. M. Johnston 1925-7-19 s.n. Riverside Pedley-Arlington Road. Comment
  RSA0112293  Panicum urvilleanum Mary F. Spencer 1919-6-17 1311 Riverside San Jacinto. 305 Comment
  UCD95992  Papaver californicum A. C. Sanders; P. MacKay, T. Thomas, O. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains; N side along Hwy 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  SD126619  Parietaria hespera var. californica Ed LaRue 1989-4-12 Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  UCR1556  Parietaria hespera var. californica David L. Davis 1962-4-15 27 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  LA45756  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  RSA801716  Parkinsonia florida Keith E. Hoffmaster 1933-4-15 430 Riverside Desert end Palms to Pines road. Comment
  UCR214713  Parkinsonia florida A. C. Sanders 2010-3-23 37547 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR244308  Parkinsonia florida Jim Andre 2012-4-15 20852 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCSB17563  Parkinsonia florida Gerhart, Janet 1963-4-6 Riverside 3.8 mi. south of U.S. Highway 60-70 on mine road, 10.7 mi. east of intersection of State Highway 195 396 Comment
  RSA698051  Parosela schottii J. Russell Bruff 1929-10-27 447 Riverside 1000 Palms. Comment
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Nov 10 2011
  SBBG8647  Pectis papposa H. and M. Dearing 1939-11-12 4027 Riverside E of Palm Springs Comment
  RSA780276  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 103 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  UCR274780  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Mojave Desert, Alligator ACEC. Desert Center Exit off Hwy I-10., to Granite Mine 399 Comment
  UCR263486  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41454 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  JOTR28754  Pectocarya heterocarpa La Doux, Tasha, Bill Truesdell 2004-3-11 1035 Riverside Joshua Tree National Park. Pinto Basin; sand hills 487 Comment
  UCR177262  Pectocarya heterocarpa Scott D. White 2003-3-20 8828 Riverside Coachella Valley, Immediately north of the I-10 / Jefferson Avenue fwy interchange 18 Comment
  RSA0135569  Pectocarya heterocarpa G. Rink 2013-3-20 11893 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UCR106413  Pectocarya linearis Scott D. White 1995-4-5 2718 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR174049  Pectocarya linearis A. C. Sanders 2006-5-19 32421 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
  UCR25941  Pectocarya linearis John C. Roos 1952-2-29 5371 Riverside Reche Canyon 457 Comment
  SDSU18357  Pectocarya linearis subsp. ferocula C. Matt Guilliams 2008-2-21 474 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UC64422  Pectocarya linearis subsp. ferocula H. M. Hall May 1900 Riverside Reche Canyon Comment
  SBBG87817  Pectocarya platycarpa A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6123 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  POM292378  Pectocarya recurvata Lyman Benson 1933-3-31 4175 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  POM368818  Pectocarya recurvata Christopher Davidson, J. L. Jones 1980-4-4 9945 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  UC1212092  Pectocarya recurvata Peter M. Ray 1949-3-6 1135 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UCR279377  Pectocarya recurvata A. C. Sanders, Jim Malusa 2017-3-24 42960 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  JOTR32962  Pectocarya setosa La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2713 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  POM262931  Pediomelum californicum Unspecified 1941-5-10 125 Riverside Pinon flats Camp, Santa Rosa Mts. 1220 Comment
  RSA516764  Pellaea andromedifolia var. andromedifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  RSA686923  Pellaea mucronata T. R. Pray 1960-3-4 1648 Riverside Andreas Canyon Comment
  RSA678882  Pennisetum setaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10451 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
  JEPS3111  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside on State Highway No. 71, 3 mi e Temecula; e of Temecula Comment
  POM308419  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3101 Riverside Santa Rosa Mts. Comment
  RSA662561  Penstemon centranthifolius Tamara Joy Hanna 1991-5-4 6 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east of Coyote Canyon Road (dirt) approx. 2 miles. 1220 Comment
  SEINET10299459  Penstemon clevelandii Melissa Luckow, Rhonda Riggins 1982-4-15 822 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW of junction Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  RSA412499  Penstemon clevelandii subsp. connatus S. B. Parish 1896-4-4 s.n. Riverside Palm Springs, (Agua Calienta,) desert base of San Jacinto Mountain 152 Comment
  UCR25029  Penstemon grinnellii A. C. Sanders 1980-8-21 1772 Riverside San Jacinto Mtns, Along Devil's Slide Trail above Idyllwild 2256 Comment
  RSA6012  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA401811  Penstemon spectabilis Martha Hilend 1928-4-8 170 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  SEINET11173464  Penstemon spectabilis subsp. spectabilis N. C. Cooper 1944-6-17 1422 Riverside San Jacinto Mtns. above Banning. Comment
  RSA0036468  Penstemon spectabilis subsp. subviscosus J. M. Andre 2012-6-15 30503 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  NY661169  Penstemon spectabilis var. spectabilis W. L. Jepson 1928-4-19 12436 Riverside Temecula 310.6 Comment
  NY661184  Penstemon spectabilis var. spectabilis C. B. Wolf 1938-6-11 9417 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  JEPS21330  Pentachaeta aurea W. L. Jepson May 17 1901-Jun 1 1901 1321 Riverside Thomas Valley Comment
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Feb 16 2013
  RSA562425  Pentachaeta aurea D. E. Bramlet 1993-4-26 2335 Riverside Peninsular Range Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  SBBG63077  Pentachaeta aurea M. N. Ackley -May-1929 1173 Riverside Tahquitz Lodge 1524 Comment
  UC669246  Pentagramma maxonii Annie M. Alexander and Louise Kellogg 1941-2-28 1876 Riverside Andreas Canyon; San Jacinto Mts 335 Comment
  HSC1076  Pentagramma triangularis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23110 Riverside 10 mi. N of Pala, along rd. to Elsinore Comment
  UCD137785  Pentagramma triangularis L. S. Rose 1935-12-27 s.n. Riverside Palm Canyon. Comment
  CAS-BOT-BC73727  Peritoma arborea var. arborea N. Aitkenhead 1977-2-2 2215 Riverside ~1 mi. from junction of J.T. More Rd. & pipeline. Comment
  CAS-BOT-BC332707  Perityle J. Von Loh 1978-1-23 3299 Riverside About 12 mi SW of Blythe 121 Comment
  CAS-BOT-BC356001  Perityle emoryi Alice Eastwood 1913-4-30 2977 Riverside Palm Springs Comment
  OBI15581  Perityle emoryi Robert F. Hoover 1966-10-15 10169 Riverside Dead Indian Cyn Comment
  UC485143  Perityle emoryi F. M. Reed 1917-5-19 3854 Riverside Colorado Desert , Palm Canyon Comment
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Aug 14 2010
  UCR103571  Perityle emoryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2746 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  RSA164766  Petalonyx thurberi Brian C. Miller 1963-6-1 s.n. Riverside 5.5 miles S of Curtis Palms near rod 24 Comment
  RSA698082  Petalonyx thurberi J. R. Bruff 1934-6-19 536 Riverside 5 mi. S.E Palm Springs. Comment
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Aug 27 2011
  SBBG4888  Petalonyx thurberi subsp. thurberi H. and M. Dearing 1940-1-1 4039 Riverside near Painted Cyn Comment
  CAS-BOT-BC326735  Peucephyllum schottii E. A. McGregor 1917-3-17 709 Riverside Granite Ridge west of Fig Tree John's Comment
  POM121857  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  SEINET12534538 Image available Peucephyllum schottii G. C. Wheeler, J. Wheeler 1968-3-12 s.n. Riverside Deep Canyon Desert Research Comment
  RSA124330  Phacelia ambigua Percy C. Everett, E. K. Balls 1958-4-29 23011 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9. 244 Comment
  UCR232389  Phacelia ambigua var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 8056 Riverside Sonoran (Colorado) Desert, north edge of Palo Verde Mesa, 150 m south of McCoy Wash, 5.3 km WSW of Mesaville Siding, and 6.1 km north of Blythe Airport 137 Comment
  UCR222309  Phacelia brachyloba R. F. Thorne, W. Wisura, David Michener 1982-5-24 55187 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, [north] along Main Divide Truck Road [from El Cariso Fire Station area] 915 Comment
  SJSU6024  Phacelia campanularia R. C. McGehee 1970-4-28 229 Riverside 0.5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  UCR228836  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2011-4-27 39335 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA0041684  Phacelia cicutaria var. hispida N. C. Cooper 1944-4-8 1079 Riverside Andreas Canyon. 305 Comment
  POM306723  Phacelia crenulata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1719 Riverside Near Desert Center-Indio. Comment
  JOTR35303  Phacelia crenulata var. ambigua Andre, Jim 2012-4-11 20802 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  JOTR31059  Phacelia cryptantha La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2042 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UC1234771  Phacelia curvipes Peter H. Raven 1962-5-18 17756 Riverside 0.6 mi e Santiago Peak (road to Indian Hill Canyon); Santa Ana Mountains 1615 Comment
  CLARK-A1045-321  Phacelia distans George K. Helmkamp 1977-3-20 Riverside Morongo Indian Reservation edge of hills, north of the Malki Museum; ; Cabazon 7.5'Q Comment
  CLARK-A1528-558  Phacelia distans C. M. Flanagan 1973-4-14 OO 104 Riverside Sunnymead 579 Comment
  JEPS2400  Phacelia distans E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA339326  Phacelia distans Robert F. Thorne, W. A. Tilforth 1980-5-28 54201 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA741605  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  RSA778008  Phacelia distans Jim Andre 2011-2-9 15936 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR133367  Phacelia distans Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 291 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR142240  Phacelia distans June Latting 1979-4-1 s.n. Riverside Box Springs Mountain 915 Comment
  CAS-BOT-BC145042  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  SDSU6654  Phacelia minor D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  SFV17400  Phacelia minor M. S. Valenzuela, P. Wilson 1998-6-2 66 Riverside Highway 74, dirt road near mile marker 54. Comment
  UC916698  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside on hwy 71 9 mi se Temecula Comment
  UCR258750  Phacelia minor T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7915 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  UCR91607  Phacelia minor D. L. Banks 1995-4-11 0171 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 951 Comment
  UCR97446  Phacelia minor A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19866 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCSB9694  Phacelia minor Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon 2 miles from U.S. 60 Comment
  SEINET3091923 Image available Phacelia ramosissima Scott White 1991-5-10 91 -130 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  CAS-BOT-BC144999  Phacelia ramosissima var. latifolia Marcus E. Jones 1926-7-20 s.n. Riverside 20 miles north of Idyllwild Comment
  SEINET7063446  Phacelia suaveolens A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  UC1930169  Phalaris aquatica Scott D. White, Michael Honer 2003-6-3 9472 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCR117390  Phalaris lemmonii A. C. Sanders, T. B. Salvato 2001-5-25 24391 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  RSA554297  Phalaris minor Scott D. White 1992-2-25 92 -15 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA736287  Phalaris minor Scott D. White, Justin M. Wood 2008-5-13 11955 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCD89319  Phleum alpinum Carl V. Meyer 1928-7-26 538 Riverside San Jacinto Mountains, Deer Springs. 2651 Comment
  UCR110970  Phlox austromontana George K. Helmkamp 1998-6-27 4107 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR245748  Pholisma arenarium Duncan S. Bell 2009-4-18 216 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  RSA575993  Pholistoma auritum Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region, narrows in central Dawson Canyon. 488 Comment
  RSA49358  Pholistoma membranaceum P. A. Munz 1949-4-11 13008 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  LA209905  Phoradendron bolleanum D. Dunn; 1941-1-12 671 Riverside Santa Rosa Mountains, Palms to Pine hwy, 15 mi from Palm Springs Comment
  SD232810  Phoradendron bolleanum Scott D. White 1995-12-24 3796 Riverside Juniper Flats Rd. ca. 1.5 road miles N of jct. w/ SR 74. 609 Comment
  POM14077  Phoradendron californicum Philip A. Munz, D. D. Keck 1922-4-14 4992 Riverside Indian Wells 107 Comment
  UCR256341  Phoradendron californicum Duncan S. Bell 2012-2-12 3127 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCSB10620  Phoradendron californicum Gill, Robert 1960-3-23 Riverside Snow canyon, near end of road; Jan Jacinto Mountain range, Colorado Desert 533 Comment
  RSA97437  Phoradendron californicum F. W. Peirson 1924-12-30 5411 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  RSA479916  Phoradendron densum Steve D. Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  CAS-BOT-BC135177  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 Comment
  UCR35312  Phoradendron tomentosum subsp. macrophyllum L. B. Ziegler 1977-12-20 578 Riverside San Jacinto Valley Comment
  POM354352  Phoradendron villosum N. C. Cooper 1949-6-29 4295 Riverside Below Pinon Flats, San Jacinto Mt. 1067 Comment
  UCR200324  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UC68755  Physalis crassifolia H. M. Hall Apr 1905 5780 Riverside 8 mi w Coachella; Colorado Desert 30 Comment
  UCR37627  Physalis crassifolia George K. Helmkamp 1984-5-2 D 19 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCSB6879  Physalis crassifolia Graney, Don 1953-3-21 Riverside 11 miles east of Indio; Colorado Desert Comment
  NY43270  Physalis crassifolia var. crassifolia C. R. Annable 1995-3-15 2285 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  POM127068  Pickeringia montana var. tomentosa F. M. Reed 1917-6-3 3949 Riverside Main Street Canyon , South of Corona Comment
  RSA356751  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-20 45541 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  RSA357171  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  SEINET3288971 Image available Pinus Loraine Yeatts, Dick Yeatts 2002-4-15 4768 Riverside Comment
  SEINET10612064  Pinus attenuata Porter P. Lowry II 1980-12-6 Lowry II 3125 Riverside Along State Hwy. 74, 14.2 mi SE of jct. with Stae Hwy. 79. San Bernardino National Forest. 1128 Comment
  CLARK-A1528-3585  Pinus coulteri John C. Roos 1942-6-20 1281 Riverside San Jacinto Mountains Comment
  JEPS47921  Pinus lambertiana W. L. Jepson 1903-8-5 2264 Riverside Strawberry Valley San Jacinto Mt., Strawberry Valley 1737 Comment
  CLARK-A1528-3557  Pinus monophylla John C. Roos 1947-4-5 3435 Riverside San Jacinto Mountains 1310 Comment
  CLARK-A1528-3562  Pinus quadrifolia John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  POM12979  Pinus quadrifolia Philip A. Munz, I. M. Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts 1524 Comment
  POM212007  Pinus quadrifolia B. D. Stark 1931-8-29 2448 Riverside Deep canyons, Vandeventer Flat, San Jacinto Mts. 1372 Comment
  POM310583  Pinus quadrifolia G. Mansfield-Jones 1956-11-11 564 Riverside Palms to Pines highway, near Lake Hemet. Mt. Range San Jacinto-Santa Rosa. 1524 Comment
  RSA384463  Pinus quadrifolia Mark Morris 1929-3-17 s.n. Riverside Near Santa Rosa Mt. Calif. Pinon Flats. Comment
  SEINET10530818  Pinus quadrifolia David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46551 Riverside Native tree in the San Jacinto Mts. of southern Calif. in Pinyon-Juniper woodland. Along the Palms to Pines Hwy. 1829 Comment
  RSA653420  Plagiobothrys canescens Scott D. White 1999-5-24 7387 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
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR137477  Plagiobothrys canescens D. L. Banks 1997-3-16 1537 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  OBI53611  Plagiobothrys collinus Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck trl 381 Comment
  UCR58498  Plagiobothrys collinus Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  POM3720  Plagiobothrys collinus var. californicus Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  RSA695816  Plagiobothrys collinus var. ursinus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  HSC78730  Plagiobothrys nothofulvus A. C. Sanders, T. Glenn 1983-4-17 3737 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  RSA709076  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns.: Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro. 10 Comment
  SEINET272335  Plagiobothrys nothofulvus A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19911 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR178278  Plagiobothrys nothofulvus T. B. Salvato, Tracy Tennant 1998-1 MOR- 805 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, sag pond at Burro Flats, tree stand P-10 1098 Comment
  RSA496130  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3009 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  SEINET7063030  Plagiobothrys tenellus A. G. Vestal 1962-3-27 s.n. Riverside About 3.5 miles northeast of Lake Elsinore on Route 74. UTM Zone 11, 470760mE, 3730110mN. (WGS84/NAD83). 472 Comment
  UCR138141  Plagiobothrys tenellus D. L. Banks, V. W. Steinmann 1997-3-13 1447 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
  UC1536026  Plagiobothrys undulatus Robert F. Thorne 1973-5-23 45525 Riverside Santa Rosa Plateau Mesa de Colorado 609 Comment
  UCR15892  Plagiobothrys undulatus Frank C. Vasek, G. K. Helmkamp 1979-4-27 s.n. Riverside Santa Ana Mtns., Mesa de Colorado, drying vernal pool along Clinton Keith Road 457 Comment
  UCR140328  Plantago elongata A. C. Sanders, Guy Bruyea 2004-4-2 27418 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA612960  Plantago erecta D. L. Banks 1997-3-29 1629 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA615133  Plantago erecta A. C. Sanders, G. K. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area, lower Rawson Canyon, along the dirt road toward Bachelor Mtn 457 Comment
  RSA85580  Plantago erecta J. C. Roos 1952-4-2 5461 Riverside Box Springs. 488 Comment
  UCR155334  Plantago erecta A. C. Sanders, Mike Misenhelter 2005-3-23 29268 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SDSU13354  Plantago lanceolata Joseph Verfaillie, Shasta Gaughen 2000-4-29 47 Riverside Santa Margarita Eclogical Reserve North side. The north side of the river about 1/3 mile west of the pipe line crossing. About 15 feet from the river 232 Comment
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  JEPS85906  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  SEINET9171798  Plantago ovata G. C. Wheeler, J. Wheeler 1969-4-19 s.n. Riverside Deep Canyon Desert Research Area. Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  UCSB8788  Plantago ovata var. fastigiata Bell, David 1969-3-31 Riverside River Bend Campground; along U.S. Highway 95; 15 miles north of Blythe, Mojave Desert 152 Comment
  JEPS3456  Plantago patagonica Marjorie D. Clary 1932-5-13 1633 Riverside Lost Horse Canyon Colorado Desert, Little San Bernardino Mountains 1219 Comment
  JOTR32377  Plantago patagonica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2488 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  UCR155045  Plantago patagonica Jason L. Hlebakos, Ricky Escobar 2005-5-11 01 Riverside San Jacinto Mtns, Bautista Creek in Bautista Canyon 854 Comment
  UC845549  Platanthera I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller Creek 1500 Comment
  CAS-BOT-BC93215  Platanus racemosa Robert Allen; Fred M. Roberts 2007-6-22 s.n. Riverside Southeast of Hemet, Bautista Canyon, ca. 4 road miles southeast of junction Bautista Canyon Road and Fairview Avenue. 727 Comment
  HSC101595  Platanus racemosa Steve Boyd, Robert Allen 2005-9-25 11658 Riverside Peninsular Ranges; San Jacinto Mountains region: Chino Canyon, southern base of the range, western margin of Chino Creek along upper end of main parking lot at Valley (lower) station of the Palm Springs Aerial Tramway 793 Comment
  SD219086  Platanus racemosa Robert Allen, Fred M. Roberts 2007-6-22 Riverside SE of Hemet, Cautista Canyon, ca. 4.0 road miles southeast of jct Bautista Canyon Road and Fairview Ave. 726 Comment
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Aug 11 2012
  SEINET10476457  Platanus racemosa James S. Miller 1992-5-8 Miller 7463 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  UC167975  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  POM13460  Plectritis ciliosa subsp. insignis Philip A. Munz, I. M. Johnston 1922-5-19 5389 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  RSA779810  Pleuraphis rigida Duncan S. Bell 2009-3-9 99 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
  RSA721882  Pleurocoronis pluriseta J. Mark Porter, Orlando Mistretta 2003-6-5 13625 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
  UC86378  Pleurocoronis pluriseta C. R. Orcutt 1880-1 Riverside Colorado Desert Comment
  POM6853  Pluchea sericea P. A. Munz, L. T. Street, Williams 1919-3-25 2320 Riverside Palm Springs. Comment
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Jul 27 2014
  UCD169224  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 304 -13 Riverside On N side of Hwy. 74. Comment
  UC599196  Polygonum argyrocoleon Frank W. Peirson 1938-4-10 12379 Riverside 1-2 mi w Blythe (in ditch on roadside) Comment
  UC6661  Polygonum bistortoides H. M. Hall 1901-7-5 2358 Riverside Tauquitz Valley San Jacinto Mts. (meadows and bogs) 2438 Comment
  IRVC19367  Polypodium californicum R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  SEINET7048052  Polypogon australis Steven R. Hill 2001-4-29 33527 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR82905  Polypogon australis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15799 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SDSU21791  Polypogon maritimus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3987 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  JOTR34163  Polypogon monspeliensis Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  RSA736698  Polypogon monspeliensis Scott D. White 2004-4-26 10252 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  RSA658532  Polypogon monspeliensis Robert MacGregor 1984-5-19 7 Riverside Lake Elsinore, CA Hwy 74, 1 mile W of junction with 15E Freeway, N side of road. Comment
  RSA753216  Polystichum imbricans subsp. curtum Orlando Mistretta 2009-7-10 3991 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  SEINET273137  Poncirus trifoliata O. F. Clarke 1997-3-6 s.n. Riverside Riverside: O.F. Clarke's yard at 1012 Spruce St. 305 Comment
  SD229275  Populus fremontii Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 893 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UCR237947  Populus fremontii Mark A. Elvin, Julie M. Vanderwier, A. C. Sanders 2002-4-9 1911 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR239841  Populus fremontii O. F. Clarke 2004-7-5 s.n. Riverside Louis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside 155 Comment
  UC494534  Populus fremontii subsp. fremontii Philip A. Munz 1931-3-13 11942 Riverside Blythe Comment
  RSA775119  Populus fremontii subsp. fremontii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5029 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
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May 22 2012
  UC829295  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi below Cottonwood Spgs.; Joshua Tree National Monument Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA608838  Potamogeton pusillus L. C. Wheeler 1961-6-24 7911 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UC123561  Potentilla rimicola F. M. Reed 1908-7-15 2529 Riverside summit of Tahquitz San Jacinto Mountains, summit of Tahquitz 2621 Comment
  RSA0027579  Prosopis glandulosa Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 33 Riverside At Corn Springs Campground. Comment
  UCR261202  Prosopis glandulosa A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41711 Riverside Temescal Canyon, along Temescal Canyon Rd. a short distance west of El Hermano Rd. 313 Comment
  SEINET13709742  Prosopis glandulosa J. Adams, J. Adams (Botany) 1965-1 205 Riverside NE Side of Mts, Palm Springs Area, 1 Mi. Below Mt San Jacinto Tramway 3000 Ft 914 Comment
  SEINET10487642  Prosopis pubescens Billy Joe Cox 1975-10-10 Cox 4218 Riverside Palo Verde, 1-3 km W, (ca 32 km S of Blythe); creosote desert scrub; andy and gravelly entisols. 70 Comment
  SEINET10903690  Prosopis pubescens David B. Dunn, A. Folsom 1948-6-17 Dunn 3793 Riverside At camp in Pushawalla Canyon under palms. Comment
  RSA192112  Prunus E. W. Lathrop 1959-4-16 4455 Riverside 18 miles southwest of Elsinore. Comment
  RSA453217  Prunus emarginata N. C. Cooper 1945-5-24 1665 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA698640  Prunus fasciculata J. R. Bruff 1928-4-2 167 Riverside Cottonwood Springs. Comment
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Mar 23 2015
  UCR120721  Prunus fremontii Helen Kennedy, T. B. Salvato 2002-2-2 5442 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  POM13052  Psathyrotes ramosissima P. A. Munz, D. D. Keck 1922-4-12 4839 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  SDSU13315  Pseudognaphalium biolettii Shawn Johnston, Calf. Taxonomy Class spring 2000 2000-4-1 12 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR41231  Pseudognaphalium biolettii N. M. Fellows 1985-1-5 67 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  RSA500200  Pseudognaphalium luteoalbum Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-5-7 3544 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA596145  Pseudognaphalium luteoalbum D. L. Banks 1996-11-7 1193 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  RSA526504  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross 1990-5-11 4699 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA724078  Psilocarphus chilensis R. E. Riefner 2006-4-8 06 -306 Riverside City of Lake Elsinore, back basin of Lake Elsinore, W ca. 0.5 mi off Pete Lehr Drive at Diamond Stadium in Wildlife Viewing Area. 402 Comment
  CLARK-A1045-188  Psilocarphus tenellus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains Southern Oak Woodland; Wildomar 7.5'Q Comment
  POM254726  Psilostrophe cooperi P. A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
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Nov 2 2011
  CLARK-A1045-106  Psoralea californica George K. Helmkamp 1978-5-20 Riverside Pinyon Flats Campground southwest 1/4 Palm Desert 15'Q Comment
  RSA698039  Psorothamnus arborescens W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  UC218162  Psorothamnus arborescens var. simplicifolius P. A. Munz and I. M. Johnston 1922-5-6 5167 Riverside Dry Morongo Wash; Colorado Desert 304 Comment
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Aug 18 2010
  SBBG68074  Psorothamnus emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  SEINET7664706  Psorothamnus emoryi M. F. Gilman 1904-1 52 Riverside Colorado Desert. Comment
  CDA27789  Psorothamnus schottii G. D. Barbe 1978-5-2 2366 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  JOTR29372  Psorothamnus schottii La Doux, Tasha, Mike Bell 2006-5-10 1449 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  RSA444302  Psorothamnus schottii W. W. 1988-4-2 4220 Riverside Frontage Rd. off I 10, near pumping station in Pinkham Wash area Comment
  RSA630290  Psorothamnus schottii R. S. Woglum 1937-04 302 Riverside Mojave Desert: Palm Springs. Comment
  UC1080447  Psorothamnus schottii P. C. Everett and E. K. Balls 1958-4-29 22957 Riverside Hwy 60/70, Indio to Blythe, 5 mi E of jct. with Hwy. 99 121 Comment
  UCR241711  Psorothamnus schottii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 44 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR268638  Psorothamnus schottii Jim Andre 2012-4-11 20847 Riverside Mojave Desert, Orocopia Mountains, north end of range, along dirt road 2.8 mi due south of Hwy I-10 at Box Canyon Road/Cottonwood Road exit 624 Comment
  RSA0034846  Psorothamnus schottii Anstruther Davidson 1926-03 s.n. Riverside Palm Springs Comment
  SEINET1100109 Image available Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley, alluvial fans below Santa Rosa Mts., near mouth of Martinez Canyon at end of 72nd. Ave. 25 Comment
  UCSB26209  Pteridium aquilinum Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwyld Road, San Jacinto Mountains 1600 Comment
  RSA482019  Pteridium aquilinum var. pubescens Richard Noyes, L. Arnseth 1988-9-10 730 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  SD153019  Pteridium aquilinum var. pubescens Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7313 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA778327  Pterostegia drymarioides N. C. Cooper 1944-5-21 1288 Riverside San Jacinto Mountains, West side 915 Comment
  UCR258871  Pterostegia drymarioides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7906 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
  UCR97700  Pterostegia drymarioides A. C. Sanders, G. Helmkamp 1997-3-15 19933 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  CAS-BOT-BC156401  Purshia tridentata var. glandulosa Nancy Ryan Zabriskie; Walter Zabriskie 1972-3-30 489 Riverside Carrizo Rd. (6S03) west of Sugarloaf Mtn., south of Hwy 72, Santa Rosa Mts. 1219 Comment
  RSA0080589  Pyrola dentata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1441 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UCR273975  Quercus Mitch Provance 2012-8-4 412- 28 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR278374  Quercus Mitch Provance 2012-9-5 912- 15 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCD47712  Quercus X acutidens John M. Tucker 1941-5-30 262 Riverside Ortega summit, Highway 74, Riverside County, California. 812 Comment
  RSA0003691  Quercus X munzii J. M. Tucker, D. Q. Cavagnaro 1965-10-2 3886 Riverside Joshua Tree National Monument, in wash at Live Oak Tank Comment
  SEINET1007995  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-1 31559 Riverside San Jacinto Mnts: Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat. 1189 Comment
  RSA601110  Quercus berberidifolia A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18104 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  SDSU6965  Quercus chrysolepis H. Wedberg 1962-7-28 989 Riverside About 1 mile from Mountain Center on the road to Hemet. 1280 Comment
  JEPS37668  Quercus cornelius-mulleri H. M. Hall May 17 1901-Jun 1 1901 1915 Riverside Van Deventer's Comment
  RSA477112  Quercus cornelius-mulleri J. C. Roos 1965-9-26 s.n. Riverside Pinyon Flats, Santa Rosa Mts. Comment
  UCR273241  Quercus durata var. gabrielensis Mitch Provance, Jeremiah George 2012-1-30 17371 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  JEPS20060  Quercus kelloggii Carl V. Meyer 1929-11-25 Riverside Saunders Meadow Mt. San Jacinto Comment
  UCD47104  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mts. Near the Kentworth Ranger Station. 1417 Comment
  UCR165196  Quercus palmeri D. E. Bramlet, Fred M. Roberts 2004-4-13 3552 Riverside Perris-Aguanga Basin, South Bernasconi Hills, 1.3 km south of Ramona Expressway and 1.4 km west of San Jacinto River 515 Comment
  SD260965  Quercus wislizeni Mitch Provance 2010-7-6 610 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 751 Comment
  UCR171  Quercus wislizeni var. frutescens Frank C. Vasek 1955-5-21 215 Riverside San Jacinto Mtns, 1 mile east of Santa Rosa Summit 1463 Comment
  RSA220971  Rafinesquia californica E. W. Lathrop 1966-5-8 6405 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  UCR107390  Rafinesquia californica B. G. Pitzer 1997-3-23 2971 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  JOTR31939  Rafinesquia neomexicana La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2177 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  RSA0069664  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 14 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA0118610  Rafinesquia neomexicana Jim M. Andre 2015-3-6 33568 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  UCR42393  Rafinesquia neomexicana D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  UCR86650  Rafinesquia neomexicana A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16265 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA286794  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44657 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado in shallow water of small tenajas of small stream 610 Comment
  POM305370  Ranunculus californicus Henry J. Ramsey, Henry J. Ramsey 1938-3-26 648 Riverside Temecula. Comment
  UCD95938  Ranunculus californicus John Green 2005-2-24 s.n. Riverside Santa Ana Mountains Region - Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel S of the junction of El Cerezo Road and Corona Cala Camino. 671 Comment
  CAS-BOT-BC378491  Ranunculus californicus var. californicus E. W. Lathrop 1960-4-8 4745 Riverside 14 mi west of Murrieta Comment
  RSA715303  Ranunculus muricatus Jennifer Jones 2006-5-1 s.n. Riverside Foot of Box Springs Mtns. E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  UCR265577  Ranunculus testiculatus Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 6 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UCR91291  Raphanus sativus Scott D. White, M. Jacobsmeyer 1996-4-20 3978 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UC537055  Rhamnus crocea M. E. Jones 1934-5-10 Riverside Elsinore Comment
  HSC28009  Rhamnus ilicifolia Richard Spjut 1973-4-13 3301 Riverside Mojave Desert, mtns. near Morongo Pass near Hwy. 62 915 Comment
  UCR101451  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22217 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR264472  Rhamnus ilicifolia S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1073 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  RSA764118  Rhamnus tomentella Linda M. Prince, Duncan S. Bell 2009-6-17 583 Riverside Cleveland National Forest Comment
  CAS-BOT-BC170528  Rhus aromatica H. E. McMinn 1925-7-2 1515 Riverside Tahquitz Trail to Tahquitz Peak, San Jacinto Mts. Comment
  UCR114806  Rhus aromatica Mitch Provance 1998-2-6 84 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  RSA221023  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 306 Comment
  CAS-BOT-BC167970  Rhus ovata C. L. Hitchcock; C. V. Muhlick 1964-3-17 23098 Riverside 3 miles s.e. of Glen Ivy Hot Springs Comment
  CAS-BOT-BC167972  Rhus ovata Ernest Braunton 1929-3-3 1026 Riverside Morongo Pass, San Bernardino Co. near Riverside Co. line 152 Comment
  RSA6101  Rhus ovata C. B. Wolf 1932-5-24 3643 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UC1393134  Rhus ovata John L. Strother 1970-7-7 1002 Riverside 4 mi s Sage Comment
  UC472805  Rhus ovata Mary F. Spencer Aug 1925 287 Riverside Idyllwild; San Jacinto Mountains 1524 Comment
  UC1130568  Rhus trilobata J. B. Spring 1931-4-17 35 Riverside head of Dawson Canyon 457 Comment
  UC1329869  Rhus trilobata James E. Cole 1941-5-23 775 Riverside Split Rock Area; Joshua Tree National Monument 1280 Comment
  POM306650  Ribes indecorum Henry J. Ramsey, Mrs. Ramsey 1938-4-23 1505 Riverside Santa Rosa Mtns. Comment
  UCR135830  Ribes indecorum A. C. Sanders 2004-4-20 27555 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
  UC11632  Ribes nevadense H. M. Hall 1897-5-1 520 Riverside along w side San Jacinto Mountains 1524 Comment
  SD186153  Rorippa nasturtium-aquaticum T. B. Salvato, Melissa Clemons 2005-6-23 1306 Riverside Temescal Valley; Walker Canyon, 1.5 mile due east of Alberhill, north of Highway I-15. 412 Comment
  UCR201636  Rorippa nasturtium-aquaticum Scott D. White, Justin M. Wood 2008-6-18 12229 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  UCR188895  Rorippa palustris subsp. occidentalis Fred M. Roberts, S. Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR116681  Rubus pensilvanicus A. C. Sanders, Chet McGaugh 2001-7-26 24475 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR8275  Rumex acetosella B. Freeman 1969-6-28 690629- 4 Riverside San Jacinto Mtns., University of California James Reserve Trailfinders' Camp, near Lake Fulmor, on the Banning to Idyllwild. East of stream nearest gate, along road 1646 Comment
  UCSB25047  Rumex acetosella Thoe, J. 1966-3-19 Riverside South of Esperanza Rd. 1 mile east of Broadway in Cabazon, San Jacinto Mts. 609 Comment
  CLARK-A1528-765  Rumex crispus Bruce Freeman 1968-5-22 680522-1 Riverside University of California 304 Comment
  CAS-BOT-BC433583  Rumex hymenosepalus E. A. Zumbro 1900-5-1 345 Riverside Reche Canon [Reche Canyon] Comment
  SEINET3245820  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37695 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1.2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 363 Comment
  UCR182351  Rumex maritimus Mitch Provance 2005-5-17 6553 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA502183  Rumex salicifolius var. mexicanus Steve Boyd, Tim S. Ross, Laurel Arsneth 1989-6-11 3709 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  RSA586918  Sagina decumbens D. L. Banks, Steve Boyd 1995-5-3 0253 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CLARK-A1528-595  Salazaria mexicana Charlotte Stocks 1962-6-15 Riverside San Jacinto Mountains 1066 Comment
  RSA518310  Salazaria mexicana A. C. Sanders 1989-9-19 9502 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR240063  Salazaria mexicana A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40507 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  SEINET13947224 Image available Salazaria mexicana J. C. Roos 1965-1 s.n. Riverside Dos Palmas Springs, Santa Rosa Mountains Comment
  POM360990  Salix exigua Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  SBBG58879  Salix exigua F. R. Fosberg 1932-3-31 8077 Riverside Thousand Palms Cyn Comment
  SD229272  Salix exigua Dick Schwenkmeyer 2012-5-22 719 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SDSU9444  Salix exigua A. H. Gallup 1949-3-28 360 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope. 762 Comment
Read comments
Jan 30 2013
  UC483064  Salix exigua F. R. Fosberg 1932-3-13 8082 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  SDSU13347  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU), M. G. Simpson 2000-4-1 30 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the gorge, near the pipe line crossing. 239 Comment
  UC914200  Salix exigua var. hindsiana Charles B. Fiker 1946-5-30 3357 Riverside rd. dip s of <Temicula> bridge <Temicula> (Hwy. 395) Comment
  UCR121089  Salix gooddingii A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24971 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR171900  Salix gooddingii John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR232804  Salix gooddingii John F. Green 2008-4-16 0408- 41 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  CAS-BOT-BC108216  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA0010972  Salix hindsiana John F. Emmel 1978-5-27 606 Riverside San Jacinto River bed, at SW base of the San Jacinto Mts., N of Valle Vista. 514 Comment
  CLARK-A1528-4056  Salix laevigata John C. Roos 1947-11-1 3758 Riverside Eagle Mountains Comment
  LA208733  Salix laevigata Carl Hedin; Joseph Ewan 1932-7-9 7678 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  UC5016  Salix lasiandra subsp. lasiandra H. M. Hall 1906-7-20 2510 Riverside Strawberry Creek San Jacinto Mts., Strawberry Creek 1584 Comment
  CAS-BOT-BC128449  Salix lasiolepis var. lasiolepis W. H. Brewer 1861-1-1 154 Riverside In canyon near hannigan's Temiscal Range Comment
  UCR201981  Salsola paulsenii Karin Cleary-Rose 1997-1 s.n Riverside Sonoran (Colorado) Desert, Coachella Valley, six mile segment of Jefferson St. in La Quinta and Indio, between Indio Blvd. and Ave. 54 10 Comment
  UCSB1721  Salsola tragus Philbrick, Ralph 1954-10-24 Riverside 4 miles south of the Chino Institute 213 Comment
  RSA0127855  Salsola tragus G. Rink 2013-3-22 11911 Riverside About twelve miles west of Blythe, along the power line for the proposed Quartzite solar power plant, NE of the power transfer station. 145 Comment
  RSA0047257  Saltugilia australis J. Mark Porter, Leigh A. Johnson 1997-3-10 11461 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  RSA500183  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3521 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  HSC86129  Saltugilia grinnellii subsp. grinnellii M. H. Frost, Jr. 1954-6-6 13 Riverside San Jacinto Mtns. 1524 Comment
  RSA469679  Saltugilia splendens N. C. Cooper 1944-6-17 1385 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA67079  Saltugilia splendens Verne Grant, Alva Grant 1951-4-7 15984 Riverside Below Morongo Valley on road to White Water 732 Comment
  RSA0123087  Salvia apiana Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8971 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
  UCR112309  Salvia apiana A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23449 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
  RSA4136  Salvia carduacea M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA401472  Salvia columbariae Robert L. Rutherford 1945-5-24 1648 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA523480  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3940 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA774716  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4520 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UC884003  Salvia columbariae I. W. Clokey 1935-4-17 6875 Riverside Cottonwood Springs Comment
  UCR174371  Salvia columbariae A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32657 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR226056  Salvia columbariae A. C. Sanders, Nathan Moorhatch 2011-3-22 38773 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR227459  Salvia columbariae Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 173 Riverside Northeastern Colorado (Sonoran) Desert, Mecca Hills Wilderness, wash route off Hwy 195/Box Canyon Road, near wilderness boundary 366 Comment
  RSA0045242  Salvia columbariae W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  UC310596  Salvia greatae M. Hill and M. Canby Mar 1926 Riverside wash E of Dos Palmas Comment
  UCR42410  Salvia greatae J. M. Stewart 1986-1-26 86- 8 Riverside Sonoran (Colorado) Desert, south fork of Hidden Spring Canyon, Mecca Hills Comment
  RSA434140  Salvia mellifera Ora M. Clark 1929-4-16 1933 Riverside E. Riverside. Comment
  SEINET7907890  Salvia mellifera D. A. Johnson 2005-1 2005- 02 -18-01 Riverside 1 mi E of CA 74, River Rd, between Perris & Lake Elsinore 488 Comment
  UC63771  Salvia mellifera H. M. Hall May 1899 Riverside Reche Canyon Comment
  UCR121321  Salvia mellifera A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24999 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR271516  Salvia mellifera T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8358 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 436 Comment
  POM13403  Salvia pachyphylla subsp. pachyphylla E. C. Jaeger 1922-8-20 1010 Riverside North slope of San Jacinto Mountain. 1829 Comment
  UCR26782  Salvia reflexa A. C. Sanders 1982-5-14 2448 Riverside Riverside, residential garden, 422 Campus View Drive 305 Comment
  SBBG6512  Salvia vaseyi H. and M. Dearing 1936-12-25 1562 Riverside Long Cyn, Colorado Desert Comment
  UC111323  Salvia vaseyi S. B. Parish 1907-4-22 6164 Riverside Palm Springs Western edge of the Colorado desert 60 Comment
  RSA586851  Sambucus mexicana D. L. Banks, S. D. Boyd 1995-5-3 270 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
  UCR91679  Sanicula crassicaulis Steve Boyd, Darin Banks 1995-3-30 8410 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  RSA0048661  Sanicula menziesii Keith E. Hoffmaster 1934-4-8 141 Riverside Santa Ana Mts. [Orange or Riverside County] Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  UCR79241  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon 412 Comment
  LA202870  Sarcostemma cynanchoides subsp. hartwegii Unknown; 1951-5-26 sn Riverside San Jacinto Canyon, Cranston Ranger station Comment
  UCR218473  Sarcostemma hirtellum Jim Andre, T. La Doux 2009-3-10 11250 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  RSA597079  Schedonorus arundinaceus D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1117 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  SEINET7862086  Schinus molle M. F. Barrus 1919-12-24 57 Riverside Riverside, Canyon, W slope of Box Springs Mts. Comment
  RSA777635  Schismus arabicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 772 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCD92910  Schismus arabicus James B. Garner 1959-3-17 I Riverside 20 miles south Vidal Junction. Comment
  OBI23319  Schismus barbatus Robert F. Hoover 1969-4-14 11239 Riverside Palm Springs, just S of city limit Comment
  RSA0106763  Schismus barbatus Duncan S. Bell, Amanda Turek 2009-3-29 138 Riverside Northeast section of the Arica Mountains; northwest section of Rice Valley; approx. 2.25 air miles south of the ghost town of Rice. 230 Comment
  UCD80951  Schismus barbatus Chuck Hughes 2009-3-23 64 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  SEINET6243926  Schismus barbatus L. C. Higgins 1974-1 8487 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  CAS-BOT-BC111577  Schoenoplectus americanus Ivan Murray Johnston 1917-4-4 1037 Riverside Frequent in damp sand along creek, Palm Canyon 274 Comment
  RSA659252  Schoenoplectus californicus M. Duke, Christy Hightower, C. McElroy 1982-5-15 2 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR59815  Schoenoplectus californicus Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  POM14365  Scirpus acutus var. occidentalis E. C. Jaeger 1921-7-15 1188 Riverside Massacre Canyon Comment
  UC489282  Scirpus americanus C. V. Meyer 1928-8-2 625 Riverside Temecula Comment
  UCR195097  Scirpus microcarpus A. C. Sanders, Tim Thomas 2008-8-1 35951 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCD124837  Scrophularia californica J. S. Ross; T. Tennant, G. White 1998-5-21 MOR 213 Riverside San Bernardino Mountains: Morongo Indian Reservation, upper Hathaway Canyon, ca. 1.25 miles north of the junction of the lower and upper canyons. Comment
  RSA16360  Scrophularia californica subsp. floribunda Percy C. Everett 1935-6-18 7172 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  UCR193913  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35811 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  POM49560  Scutellaria siphocampyloides P. A. Munz, I. M. Johnston 1924-7-29 8838 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR35331  Scutellaria siphocampyloides L. B. Ziegler 1965-6-8 54 Riverside San Jacinto Mtns., Hemet (Thomas/Garner) Valley, side canyons of the valley 1448 Comment
  UCR128301  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 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
  POM949  Selaginella bigelovii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  CAS-BOT-BC5678  Selaginella eremophila Ivan Murray Johnston 1917-4-4 1047 Riverside Palm Canyon Comment
  CAS-BOT-BC62084  Selaginella eremophila S. B. Parish 1914-4-6 9030 Riverside Mountain Springs, Colorado Desert Comment
  UC50350  Senecio californicus H. M. Hall March 1903 3721 Riverside vicinity Riverside 609 Comment
  LA203925  Senecio flaccidus v