Search Results — 2000 specimen records retrieved (1902 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/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229321  Abronia villosa S. B. Parish 1896-4-4 4138 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mt. 213 Comment
  CAS-BOT-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  CAS-BOT-BC229354  Abronia villosa L. A. Greata 1905-4-1 390 Riverside Coachella Comment
  CHSC8095  Abronia villosa Edward L. Smith 1958-3-21 469 Riverside Located 2 mi . e of Indio on hwy. U. S. 60. 0 Comment
  RSA341997  Abronia villosa Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54119 Riverside Along Whitewater River, E of bridge and levee. Comment
  SEINET785371  Abronia villosa Leo A. Galloway 1969-1 1084 Riverside 1.5 miles southeast of Cathedral City, State Highway 111. Comment
  RSA0051636  Abronia villosa var. aurita Bruce Haines 1962-5-6 186 Riverside 38 mi. S. of Palm Desert on California Highway 74. 1371 Comment
  RSA682171  Abronia villosa var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10468 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA747723  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-3-24 12575 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  UCR227180  Abronia villosa var. villosa Jim Andre 2011-2-9 15938 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  UCR251579  Abronia villosa var. villosa Jim Andre 2013-3-27 24840 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCR58465  Acacia dealbata J. A. Adams 1966-3-12 434 Riverside Santa Ana Mtns., Hwy 74, above Lake Elsinore, toward Capistrano 610 Comment
  RSA795825  Acamptopappus sphaerocephalus C. P. Cowan 1978-4-23 1228 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCSB8490  Acamptopappus sphaerocephalus Muller, Cornelius 1953-3-21 Riverside In White Water Canyon Comment
  SBBG7490  Acamptopappus sphaerocephalus var. hirtellus C. H. Muller 1953-3-21 146 Riverside Whitewater Cyn Comment
  CAS-BOT-BC539369  Acer circinatum O. F. Clarke 2003-6-10 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 350 Comment
  UCR169320  Acer negundo T. B. Salvato, John F. Green 2004-5-27 619 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SEINET13363739 Image available Achillea lanulosa Dieter H. Wilken 1965-1 276 Riverside Herkey Creek Public Camp, Hemet Valley, San Jacinto Mountains 1372 Comment
  RSA583363  Achnatherum coronatum Steve Boyd, Darin Banks 1995-4-5 8418 A 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
  POM365987  Achnatherum hymenoides Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  JOTR31067  Achnatherum parishii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2049 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 5: side canyon above Smith Water Canyon on west side of Quail Mountain region Comment
  UC39992  Achnatherum parishii H. M. Hall June 1901 Riverside Kenworthy San Jacinto Mountains 1371 Comment
Read comments
Mar 25 2011
  SBBG34963  Achnatherum speciosum T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCD77301  Achyronychia cooperi Robert E. Preston 1997-11-11 1063 Riverside east edge of Palo Verde Mesa 99 Comment
  UCR214874  Achyronychia cooperi A. C. Sanders 2010-3-15 37388 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCSB1845  Achyronychia cooperi Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone; Aqueduct Road 5 mi. east of Garnet; Coachella Valley 304 Comment
  SBBG67317  Acmispon argophyllus var. argophyllus M. D. Clary 1928-3-25 550 Riverside Whitewater Cyn 548 Comment
  SD234950  Acmispon brachycarpus R. E. Jr. Riefner 2005-8-28 05 649 Riverside Peninsular Range: SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  JOTR35451  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UCR281573  Acmispon heermannii Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 84 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd. at intersection with Temescal Hills Rd. 309 Comment
  RSA0042854  Acmispon rigidus Duncan S. Bell, LeRoy Gross 2014-3-20 6274 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UCSB39320  Acmispon rigidus Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from Highway 74, north of Palm Desert, San Jacinto Mountains 1100 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
  RSA192185  Acourtia microcephala E. W. Lathrop 1960-6-8 4934 Riverside 14 miles west of Murrieta Comment
  UC76423  Acourtia microcephala Mrs. Hannah 1893-1 Riverside Menifee Comment
  UCR234760  Acourtia microcephala A. C. Sanders, John F. Green 2012-6-25 40311 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  CAS-BOT-BC182446  Adenophyllum porophylloides Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11212 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: 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... Comment
  RSA0097954  Adenostoma fasciculatum Duncan S. Bell 2014-11-14 7719 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA650377  Adenostoma fasciculatum var. fasciculatum C. J. Humphrey 1936-6-7 128 Riverside [No location information provided.] Comment
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Dec 15 2011
  SD82693  Adiantum capillus-veneris Joseph Andorfer Ewan 1929-2-22 1262 Riverside Palm Canyon of San Jacinto Comment
  SEINET5641186  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
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Mar 25 2011
  UCSB6321  Agoseris retrorsa Keator, Glenn 1948-7-3 Riverside Hall Canyon, San Jacinto Mts. 1706 Comment
  SEINET3271559 Image available Agropyron repens O. F. Clarke 2004-5-17 Riverside Peninsular Range; Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM259177  Agrostis exarata P. A. Munz 1928-8-13 15323 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  CAS-BOT-BC139355  Agrostis idahoensis Carl B. Wolf 1932-8-5 3963 Riverside San Jacinto Mountains. 1st Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak. Head of fork of Tahquitz Creek. 2743 Comment
  RSA71928  Aliciella latifolia F. W. Peirson 1921-3-22 2385 Riverside Andreas Canyon, Palm Springs region Comment
  RSA339252  Allionia incarnata Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53605 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  CAS-BOT-BC131979  Allium haematochiton S. Mashayekhi; M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from S. main divide, below the Radio Tower 971 Comment
  CAS-BOT-BC131990  Allium haematochiton Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4063 Riverside Vail Lake area, summit of 'Big' Oak Mtn. at E end 792 Comment
  RSA524460  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4063 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  SBBG55753  Allium haematochiton D. Keil, M. McLeod 1979-3-18 12872 Riverside St Hwy 71, Alberhill Junction Comment
  RSA740236  Allium lacunosum var. davisiae Scott D. White, Justin M. Wood 2008-6-17 12191 -A Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  UCR78045  Allium peninsulare Scott D. White 1993-4-22 1231 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  POM193710  Allium peninsulare var. peninsulare F. W. Peirson 1933-4-15 10649 Riverside Whitewater River, 4.5 miles above the bridge. 701 Comment
  SJSU7112  Allium praecox G. B. Youngberg 1956-3-27 172 Riverside hills near La Sierra College, Arlington, SW of Riverside Comment
  HSC86857  Allophyllum divaricatum K. Harper 1988-5-14 Riverside San Jacinto Mtns. along Hwy. 243, 1-2 mi. below Mt. Edna turn off Comment
  SD143744  Allophyllum divaricatum A. C. Sanders, P. MacKay, T. Thomas and O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 mile below Twin Pines Ranch Road (McMullen Flat), nmorth slope of peak 3740. 1067 Comment
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  LA106011  Alnus rhombifolia A. C. Sanders; E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mountains, Pinyon Flats area, along Horsethief Creek where the trail from the Dolomite Mine crosses 1100.0 Comment
Read comments
Mar 31 2014
  SD248310  Alternanthera caracasana Oscar Avila 2015-8-6 Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux (Riverside West 7.5'Q) 227 Comment
  JOTR32523  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2606 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
  UCR207464  Amaranthus albus O. F. Clarke 2004-6-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SEINET10841605  Amaranthus albus Billy Joe Cox 1975-10-10 Cox 4221 Riverside Palo Verde, 1-3 km W, (ca 32 km S of Blythe); creosote desert scrub; sandy and gravelly entisols. 70 Comment
  UCR111748  Amaranthus blitoides G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  UCR241941  Amaranthus blitoides A. C. Sanders, Jose Aguiar 2012-12-19 40532 Riverside Sonoran (Colorado) Desert, Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal -8 Comment
  RSA191450  Amaranthus californicus E. W. Lathrop, Robert F. Thorne 1967-9-26 6666 Riverside 6 miles NW of Murrieta. 610 Comment
  UCR21773  Amaranthus caudatus S. Day 1980-9-4 s.n. Riverside private residence in Riverside Comment
  HSC79236  Amaranthus fimbriatus G. K. Helmkamp 1983-10-8 - 34 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  SBBG19503  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  SD144099  Amaranthus fimbriatus B. Pitzer 1997-10-19 3354 Riverside N foot of Chuckwalla Mtn Rd on S side of Highway I-10, ca. 0.8 miles S of Highway at powerline rd. 500 Comment
  UCR272195  Amaranthus torreyi Duncan S. Bell 2015-9-30 8649 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  CAS-BOT-BC224908  Ambrosia acanthicarpa A. C. Sanders 2011-4-6 38991 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA643280  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands: W of Beaumont, south side of Hwy 60, 2 miles W of Jackrabbit Trail 686 Comment
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Mar 21 2011
  RSA0033750  Ambrosia dumosa Jim Andre 2013-3-27 24843 Riverside Riverside Mountains; along Wilson River Crossing Rd., 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct. 114 Comment
  UCR214716  Ambrosia dumosa A. C. Sanders 2010-3-23 37545 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCSB6546  Ambrosia dumosa Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99; western edge of the Colorado Desert Comment
  SEINET10948333  Ambrosia dumosa David B. Dunn 1946-3-15 Dunn 2037 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  CLARK-A1528-2147  Ambrosia ilicifolia John C. Roos 1949-4-10 4230 Riverside Chuckwalla Mountains Comment
  RSA450767  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  UCR124140  Ambrosia psilostachya Steve Boyd, T. S. Ross 1989-8-28 3805 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  CAS-BOT-BC273034  Ambrosia salsola D. B. Dunn; H. Brown 1947-1-12 2834 Riverside Pushawalla Canyon, Indio Hills Comment
  POM307250  Amelanchier pallida Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2239 Riverside Santa Rosa Mountains. Comment
  UCR270409  Amelanchier utahensis John F. Emmel 2000-4-30 1646 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road at Garnet Queen Creek crossing 1890 Comment
  JEPS35491  Amorpha californica var. californica W. L. Jepson 1901-5-25 1446 Riverside Santa Rosa Indian Village Santa Rosa Mts. 1981 Comment
  JEPS35502  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside wash of San Jacinto River base of San Jacinto Mt.; San Jacinto River, at base of San Jacinto Mt. 670 Comment
  UCSB19371  Amorpha fruticosa Haller, John 1950-5-20 Riverside Base of San Jacinto Mtns., Hemet-Idyllwild Road, opposite Cranston Ranger Station 609 Comment
  CDA7723  Amsinckia intermedia Richard W. Shaffer 2008-2-25 PDR# 1262475 Riverside Themal, Avenue 66 & Pierce Street 0 Comment
Read comments
May 21 2016
  SDSU18973  Amsinckia intermedia C. Matt Guilliams 2008-2-27 487 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UC1605425  Amsinckia intermedia Steve Boyd 1986-4-2 1618 Riverside Gavilan Plateau; Gavilan Hills, Garford Springs County Park 609 Comment
  UCR228425  Amsinckia intermedia Dave Silverman, Jeanette Duffels 2010-3-23 7821 Riverside Sonoran (Colorado) Desert, Dunes at SSE tip of Palen Dry Lake, one km SW of Palen Dunes drive, 4.2 km N of I-10, 7.4 km ESE of Sidewinder Well 130 Comment
  RSA0089611  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  RSA0089919  Amsinckia menziesii Justin M. Wood 2008-12-2 265 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  RSA499898  Amsinckia menziesii var. menziesii Jeannette B. Edge 1934-3-18 s.n. Riverside [San] Timoteo Canyon. 518 Comment
  UC68763  Amsonia tomentosa H. M. Hall May, 1905 6007 Riverside Cottonwood Pass Colorado Desert, Cottonwood Pass 701 Comment
  RSA593779  Ancistrocarphus filagineus Jeri Hirshberg 1995-5-19 274 Riverside San Jacinto Mountains, Garner Valley. Comment
  UC130485  Antennaria rosea Mrs. C. M. Wilder 1909-7-13 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley Comment
  UC218084  Antennaria rosea P. A. Munz 1922-9-7 6403 Riverside Tamarack Valley San Jacinto Mts., Tamarack Valley 2804 Comment
  RSA0009192  Antirrhinum coulterianum Scott D. White, Bill La Haye 2000-5-27 7955 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA16505  Antirrhinum coulterianum Percy C. Everett 1935-6-17 7153 Riverside Coldwater Can. trail to Santiago Peak, 1.5 mi. above Glen Ivy Resort. 564 Comment
  RSA192076  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 -b Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  RSA425620  Antirrhinum filipes Anstruther Davidson 1927-04 s.n. Riverside Box Canyon Comment
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Nov 12 2011
  RSA689388  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  RSA278321  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth, Walter Wisura 1979-5-23 1803 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  UCR90609  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White 1995-6-29 3387 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA715197  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 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
  UCR177421  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR207607  Apium graveolens O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  UCR263734  Apocynum cannabinum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5002 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  UCR19376  Arabis glaucovalvula Harlan Lewis, Carl Epling 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring, ['Providence Mtns.' NOTE: The locality data on this specimen is certainly partially incorrect: likely from Cottonwood Spring at the S entrance of Joshua Tree National Park, Riverside Co. The collectors were at Corn Spring, Chuckwalla Mtns on the same date, some of the species collected at Cottonwood Spring are very unlikely to have come from the Providence Mtns: Condaliopsis lycioides & Tetracoccus hallii in particular. Det. by A.C. Sanders, Dec. 1986] Comment
  RSA66764  Arabis perennans E. C. Jaeger 1922-6-29 5443 Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  RSA477453  Arabis pulchra M. B. Dunkle 1935-3-31 4436 Riverside Hills North Cottonwood Springs. Colorado Desert. 701 Comment
  UCR47280  Arabis pulchra D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  UCR98896  Arabis sparsiflora var. californica Scott D. White 1996-8-1 4437 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UC66491 Image available Aralia californica E. A. Zumbo 1904-1 430 Riverside <Cold Water> Canyon Santa Ana Mts., <Cold Water> Canyon Comment
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Jun 23 2011
  RSA629133  Arctostaphylos Jon E. Keeley 1992-7-16 16567 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR54263  Arctostaphylos A. C. Sanders, E. J. Lawlor 1988-10-22 8731 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA629360  Arctostaphylos glandulosa Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6756 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 671 Comment
  UCR273479  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42604 Riverside Peninsular Range; Santa Ana Mountains, South Main Divide Road, near Elsinore Peak, 0.35 km by road south of road junction to Elsinore Peak towers 998 Comment
  CAS-BOT-BC24913  Arctostaphylos glandulosa subsp. adamsii Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-25 259 Riverside c. 5 mi. up Santa Rosa Mountain road from State Highway 74. 1524 Comment
  JEPS42546  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1929-4-1 Riverside e side of river North Fork San Jacinto 1219 Comment
  RSA560842  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross 1992-5-4 7180 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SDSU18353  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-21 370 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
  RSA631798  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19571 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631841  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20170 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1450 Comment
  RSA632649  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16560 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR100168  Arctostaphylos glauca Scott D. White 1992-12-16 988 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  RSA633535  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20141 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633592  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22507 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 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
  RSA635596  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16740 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  CAS-BOT-BC44333  Arctostaphylos pringlei subsp. drupacea H. M. Hall 1901-6-1 2092 Riverside San Jacinto Mts. 1524 Comment
  RSA256990  Arctostaphylos pringlei subsp. drupacea Gary D. Wallace 1967-5-6 741 Riverside San Bernardino Mt. for. south of Banning in San Jacinto Mtns. along road to idyllwild, north of McMullen Flat. Comment
  UCSB11790  Arctostaphylos pringlei subsp. drupacea Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning on Banning-Idyllwild Road, in the San Bernardino National Forest, San Jacinto Mountains 1584 Comment
  CSUSB1372  Arctostaphylos pringlei var. drupacea Sue Freeman 1966-4-30 Riverside Side of road between Banning and Idyllwild, about 10 miles northwest of Fuller Mill Creek; Yellow Pine Forest. 1219 Comment
  RSA635797  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16553 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA636165  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19465 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  UC219563  Arenaria macradenia var. macradenia P. A. Munz 1922-6-23 5789 Riverside 2 mi below Kenworthy; San Jacinto Mts.,Hemet Valley 1371 Comment
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Mar 25 2011
  UC724250  Argemone munita Aven and Ruth Nelson 1939-3-30 3341 Riverside Highway 60 near Desert Center Comment
  CAS-BOT-BC207125  Argythamnia lanceolata Theodore Labouchere 1915-4-1 204 Riverside Borders of the Colorado Desert along the easterly base of San Jacinto Mountain, not far from Palm Springs. Comment
  CAS-BOT-BC137647  Aristida adscensionis John Thomas Howell 1928-1-28 3288 Riverside Thousand Palms, Colorado Desert. Comment
  UCR188224  Aristida purpurea Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1704 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  JOTR35934  Aristida purpurea var. fendleriana De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6882 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  SD247281  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial gunnery Range (East of Red Canyon 7.5'Q) 609 Comment
  UCD56518  Aristida purpurea var. parishii Hal W. Miller 1956-3-1 s.n. Riverside Chuckawalla Mtns, at Chuckawalla Springs, 15 miles southeast Guiladay Wells. Comment
  UCR26239  Aristida purpurea var. parishii John C. Roos 1948-5-15 3840 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  CAS-BOT-BC137513  Aristida purpurea var. purpurea J. C. Roos 1966-4-29 s.n. Riverside Between March AFB and Lakeview. Comment
  SEINET7596234 Image available Aristida purpurea var. purpurea Parish 1882-1 1549 Riverside San Jacinto Comment
  UCR100574  Aristida purpurea var. purpurea George K. Helmkamp 1997-11-1 2513 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UC815792  Aristida purpurea var. wrightii C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring Comment
  RSA613711  Artemisia annua G. R. Ballmer 1997-11-22 s.n. Riverside Riverside. Volunteer in yard at 8538 Hickory Lane. Comment
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Jul 14 2012
  RSA170156  Artemisia arbuscula subsp. arbuscula L. B. Ziegler 1964-8-15 s.n. Riverside On an area of about 10 acres about 1.5 miles north of Kenworthy Ranger Station, San Jacinto Mts. 1616 Comment
  LA9316  Artemisia californica Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  SFV3693  Artemisia californica M. L. Vincent, R. H. Swade 1963-10-19 458 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  CAS-BOT-BC90421  Artemisia douglasiana Scott D. White 1996-9-22 4529 Riverside Lakeview Mts: N of Homeland, along Juniper Flats Rd., ca. 1.2 road miles N of intersect. w/ St. Hwy. 74 502 Comment
  CAS-BOT-BC93765  Artemisia ludoviciana subsp. albula Edmund C. Jaeger 1922-4-21 s.n. Riverside Palm Springs, Tacquitz Canyon [Canon] Comment
  UC892461  Artemisia ludoviciana subsp. incompta Mary F. Spencer Aug 1 1923-Sep 1 1923 2298 Riverside <near> Idyllwild; San Jacinto Mts. 1828 Comment
  CAS-BOT-BC93479  Artemisia tridentata subsp. tridentata R. E. Jr. Riefner 2006-9-19 06 -442 Riverside Temecula Valley, c. 0.1 mi. west of I-15 Freeway along Temecula Creek (Temecula 7.5' Q) 300 Comment
  UCR6699  Arthrocnemum subterminale O. F. Clarke, Sue Freeman 1967-11-3 s.n. Riverside Perris Basin, c. 3 mi. north of Lakeview & c. 3 mi. SSE of Moreno 434 Comment
  RSA0034596  Asclepias albicans Scott D. White 2001-4-3 8234 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA779726  Asclepias albicans Duncan S. Bell 2009-3-8 94 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  RSA401648A  Asclepias californica Gale Sphon 1955-5-7 s.n. Riverside 3 mi. east of Lake Elsinore. Comment
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May 26 2019
  IRVC12864  Asparagus officinalis Steve Stadler 1966-3-26 032666 44 Riverside Found along the Gagu Canal .2 miles North of Blaine Street. 305 Comment
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Sep 29 2011
  RSA233316  Asphodelus fistulosus L. B. Ziegler 1968-04 s.n. Riverside Soboba Indian Reservation, near San Jacinto, 579 Comment
  POM11737  Aspidotis californica P. A. Munz, I. M. Johnston 1922-5-19 5334 Riverside 5 miles NE of Murrieta 518 Comment
  CAS-BOT-BC99205  Aster S. M. Kaune 1962-12-15 649 Riverside Ca. 1-2 mi. from downtown Coachella, along Hwy 74 - 111, Coachella Valley 6 Comment
  UCR110417  Aster subulatus A. C. Sanders, Mitch Provance 1999-9-26 23126 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
  RSA737327  Aster subulatus var. ligulatus Justin M. Wood 2008-9-19 143 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA0029395  Astragalus aridus Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4681 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UC68624  Astragalus aridus H. M. Hall Apr., 1905 5826 Riverside near Indio (Colorado Desert); , near Indio 0 Comment
  UCR236547  Astragalus aridus Carolyn Martus, Joseph A. Betzler, Chezzy W. Brungraber, Lance Woolley 2008-4-15 1214 Riverside Sonoran (Colorado) Desert, 30 miles west of Blythe near Palen Dry Lake, from I-10 exit Corn Springs Rd. north for about 8 miles 130 Comment
  POM1994  Astragalus didymocarpus Robinson, Crocker 1916-4-3 s.n Riverside Elsinore region. Comment
  CLARK-A1045-79  Astragalus douglasii George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  CAS-BOT-BC178437  Astragalus douglasii var. parishii Barbara Ertter; Jeffrey Strachan 1980-5-21 3484 Riverside Santa Rosa Mt. Road (Forest Road 7S02) ca 2 miles south of Highway 74 (Pines to Palms Highway), rivulets on SE slope. 1584 Comment
  UC314567  Astragalus douglasii var. parishii Marcus E. Jones, A. M. 1926-6-20 Riverside 12 mi n Idyllwild; n of Idyllwild Comment
  UCR158256  Astragalus gambelianus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30107 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
  CAS-BOT-BC187111  Astragalus lentiginosus var. borreganus John Thomas Howell 1928-3-11 3439 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  CAS-BOT-BC187117  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-4-8 6747 Riverside Palm Springs Comment
  UCR97747  Astragalus lentiginosus var. borreganus Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  SBBG132094  Astragalus lentiginosus var. coachellae S. D. White 2001-4-18 8367 Riverside Palm Springs, NE corner of 30th Ave and Devall St 101 Comment
  UCR274969  Astragalus lentiginosus var. coachellae Youssef C. Atallah 2016-4-27 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, Snow Creek Road c. 0.6 mile SW of Hwy 111 362 Comment
  JEPS54787  Astragalus palmeri W. L. Jepson 1914-5-18 6005 Riverside n Indio (Pinon Well Grade); Colorado Desert, n of Indio, Pinon Well grade 822 Comment
  POM247697  Astragalus palmeri E. C. Jaeger 1939-5-4 s.n Riverside Pinyon Alta Flats, Santa Rosa Mts. 1585 Comment
  RSA600820  Astragalus pomonensis L. Haines, L. Erickson 1937-4-9 s.n. Riverside 1 mile west of San Jacinto Comment
  UC56244  Astragalus pomonensis H. M. Hall Apr. 1903 3815 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  CAS-BOT-BC334464  Athysanus pusillus A. C. Sanders; Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd. near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  POM10279  Athysanus pusillus Charlotte M. Wilder 1904-4-18 s.n. Riverside Wilder s Canyon. Comment
  RSA525687  Athysanus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4558 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  CAS-BOT-BC98814  Atrichoseris platyphylla Mrs. Jos Clemens 1922-4-10 s.n. Riverside Mecca Comment
  SD258308  Atrichoseris platyphylla J. M. Andre 2013-3-27 24822 Riverside Parker SW; Riverside Mountains; east side of riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Jct. 125 Comment
  UC68977  Atrichoseris platyphylla H. M. Hall Apr 1905 5834 Riverside near Mecca; Colorado Desert -45 Comment
  SEINET8734641 Image available Atrichoseris platyphylla Helen K. Sharsmith 1952-1 4051 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well 579 Comment
  RSA557365  Atriplex argentea Julie Greene, James Dice 1993-6-25 1374 Riverside North side of San jacinto River levee, West of Davis Road. 433 Comment
  UCR139616  Atriplex argentea A. C. Sanders 2004-7-1 28378 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  POM278726  Atriplex canescens Grant D. Brown 1950-12-2 591 Riverside Mockingbird Canyon, about 4 miles up the canyon 412 Comment
  RSA189415  Atriplex canescens var. linearis L. S. Rose 1966-12-11 s.n. Riverside Palm Springs. 152 Comment
  UC1392858  Atriplex coronata var. notatior R. F. Hoover 1968-6-6 11154 Riverside 1 mi e Perris; e of Perris Comment
  UCR66262  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2051 Riverside Perris-Aguanga Basin region, 6 km west of Lakeview and just south of Ramona Expressway, 150 m east of San Jacinto River levee; just NE of intersection of B Ave. and 9th St. 433 Comment
  UCR70526  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2196 Riverside Perris-Aguanga Basin region, San Jacinto River area, c. 1.8 km south of intersection of Pozos Ave. & Ramona Expressway; c. 500 m west of the river & 2 m east of Pozos Ave. 473 Comment
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Dec 9 2014
  RSA737893  Atriplex glauca R. E. Riefner 2002-12-12 02 -521 Riverside City of Corona, along Magnolia Ave off ramp on SW side of I 15 Freeway. 216 Comment
  RSA1394  Atriplex lentiformis subsp. lentiformis B. D. Stark 1930-4-2 782 Riverside Indio, sea level 0 Comment
  SEINET4135315  Atriplex linearis Stewart C. Sanderson 1993-11-18 93 -040 Riverside Mile 6, CA 11, Salton Sea, beaches turnoff.; 0 Comment
  CLARK-A1528-5395  Atriplex polycarpa John C. Roos 1943-12-19 2763 Riverside Pushawalla Wash Comment
  RSA735905  Atriplex prostrata Scott D. White, Justin Wood 2008-6-24 12287 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  RSA653333  Atriplex serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side fo Latham St., about 1/8 mile W of intersection with Keats Dr., 34 deg 00' 12.2'' N, 117 deg 21' 55.4'' W. 245 Comment
  UCR40489  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA736656  Atriplex serenana var. serenana Justin M. Wood 2008-7-16 30 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Nov 16 2010
  UCD97690  Atriplex suberecta A. C. Sanders; K. C. Rose 1998-5-21 21854 Riverside Hemet; west of town, E of the canal, S of Hwy 74 (Florida) and 1/4 mile W of Warren Road. 457 Comment
  UCR101392  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-9-29 22247 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR125305  Atriplex suberecta A. C. Sanders 2002-11-21 25646 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA689434  Atriplex suberecta R. E. Riefner 2003-5-27 3 -253 Riverside Perris Valley, Rider Street near Perris Valley Storm Drain. 483 Comment
  SD146319  Atriplex triangularis A. C. Sanders, D. Bramlet, Mihai Costea, and T. Salvato. 1999-10-15 23181 Riverside San Jacinto Valley; Mystic Lake, 1.0 mile west of Jackrabbit Trail on Gilman Springs Road, 0.4 mile west of Quail Lake Golf Course entrance. 436 Comment
  SDSU12930  Avena barbata Jutta Buschbom 1991-5-1 3 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR98480  Avena barbata B. G. Pitzer 1997-4-1 3045 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR172142  Avena fatua A. C. Sanders 2006-5-11 32263 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  CAS-BOT-BC213223  Ayenia compacta Annie M. Alexander; Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, north of Shaver Summit 792 Comment
  SBBG72745  Ayenia compacta M. D. Clary 1931-4-4 1282 Riverside Coral Reef Cyn 15 Comment
  SDSU13513  Azolla filiculoides W. Miller 1972-8-9 Riverside 75 m. north of road. Comment
  RSA301939  Baccharis brachyphylla J. R. Shevock 1972-11-14 2316 Riverside Coyote Canyon, Anza Borrego State Park 762 Comment
  RSA0040118  Baccharis emoryi Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC within Upper San Andreas Oasis, 1 mile south of oasis. Comment
  RSA220386  Baccharis emoryi C. W. Tilforth, John Dourley 1970-10-16 315 Riverside 1 mile W of Lake Mathews along Cajlco road Comment
  UC1523627  Baccharis pilularis Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61282 Riverside near and a few mi s of Murrieta Murrieta-Guava Sts; De Luz 396 Comment
  UCR154624  Baccharis pilularis A. C. Sanders, Mike Misenhelter 2005-6-15 30991 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA5523  Baccharis salicifolia C. B. Wolf 1932-10-11 4274 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  RSA701559  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR100305  Baccharis salicifolia B. G. Pitzer 1997-4-20 3188 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UCR113604  Baccharis salicifolia A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23672 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
  SDSU13529  Baccharis salicina W. Miller 1972-8-9 Riverside Just west of beaver dam and east of aqueduct. Comment
  RSA0086782  Baccharis sarothroides R. G. Swinney 1967-5-26 14063 Riverside Snow Creek. 457 Comment
  POM47794  Baccharis sergiloides Mary F. Spencer 1918-3-29 781 Riverside Palm Springs 137 Comment
  SEINET899352  Baccharis sergiloides C. B. Wolf 1932-1 4270 Riverside Colorado Desert. Little San Bernardino Mts. Morongo Wash, 3/10 mi. below San Bernardino Co. line 671 Comment
  PASA2173  Baeria aristata Frank W. Peirson 1922-5-19 Riverside 5 miles northeast of Murietta 457 Comment
  CAS-BOT-BC295905  Bahiopsis parishii Carl B. Wolf 1932-4-27 3049 Riverside Colorado Desert. 1 mi. off Mecca - Blythe Road. Lower end of Lost Palms Canyon at 1st. rocky hills 243 Comment
  POM7012  Baileya pauciradiata Philip A. Munz 1919-3-27 2347 Riverside Salton Sea Comment
  UC472195  Baileya pauciradiata S. B. Parish 1907-4-19 6080 Riverside Palm Springs Colorado Desert Comment
  HSC101253  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Palen Valley; along Palen Pass Rd. (dirt), 1.2 mi. east of Hwy 177. 184 Comment
  POM308639  Baileya pleniradiata Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3210 Riverside Near Indio. Comment
  POM46891  Bebbia juncea Mary F. Spencer 1918-4-7 775 Riverside Palm Springs. 168 Comment
  RSA652575  Bebbia juncea David B. Dunn 1947-7-12 2962 Riverside Pushawalla canyon in the Indio Hills, below the Palms Comment
  UCR245916  Bebbia juncea Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3947 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  CAS-BOT-BC100143  Bebbia juncea var. aspera W. R. Dudley 1903-12-26 s.n. Riverside Palm [Canon] Canyon Comment
  JOTR35068  Bebbia juncea var. aspera La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3520 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  SD262181  Bebbia juncea var. aspera Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617 05 Riverside Temescal Valley: Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 377 Comment
  UC665555  Bebbia juncea var. aspera Annie M. Alexander and Louise Kellogg 1941-5-12 2158 Riverside road to Black Eagle Mine (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains 777 Comment
  CLARK-A1528-7860  Berberis dictyota John C. Roos 1940-2-17 890 Riverside Reche Canyon Comment
  CLARK-A1528-5633  Berberis nevinii John C. Roos 1948-2-21 3772 Riverside San Timoteo Canyon Comment
  UCR135738  Bernardia myricifolia Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9008 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  RSA367448  Bloomeria crocea var. crocea Jeannette B. Edge 1934-4-18 s.n. Riverside Near Highgrove. Comment
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Jun 10 2012
  SBBG72283  Boechera arcuata M. N. Ackley -May-1929 Riverside Tahquitz 2438 Comment
  LA204233  Boechera xylopoda Flora Murray Scott; April 1928 sn Riverside Whitewater 1828 Comment
  UCR123826  Boerhavia coccinea Steven R. Hill 2001-5-3 33653 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
  RSA0009686  Boerhavia intermedia Marcus E. Jones 1929-9-16 24796 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  CLARK-A1656-843  Boerhavia torreyana Jon Mark Stewart 1983-10-31 83-49 Riverside Palm Desert 1200 Comment
  CLARK-A1528-4504  Bouteloua aristidoides John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  POM161551  Bouteloua aristidoides Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  JOTR29254  Bouteloua curtipendula La Doux, Tasha, Ileene Anderson 2004-10-4 1642 Riverside Joshua Tree National Park. Stop 1: Little SB Mtns, near Keys Ranch 1277 Comment
  UCR270199  Bowlesia incana A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42419 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  CLARK-A1528-5381  Brandegea bigelovii John C. Roos 1963-10-23 Riverside Comment
  RSA0093748  Brandegea bigelovii Jim M. Andre 2012-4-11 20719 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  RSA796749  Brandegea bigelovii J. Andre 2012-4-11 20840 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UC56981  Brassica rapa H. M. Hall 1902-4-1 2959 Riverside vicinity of Riverside; Southern California 243 Comment
  RSA783014  Brassica tournefortii J. Andre 2011-2-9 15931 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
  SD182672  Brassica tournefortii Judy Gibson 2008-3-17 Riverside City of Palm Desert, weed in street landscaping, Sun City retirement community on Westridge Ave., about 100 yards south of Grape Arbor Ave 34 Comment
  CAS-BOT-BC106338  Brickellia atractyloides var. arguta B. D. Stark 1930-5-4 831 Riverside Morongo Pass Comment
  CLARK-A1528-174  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Badlands 609 Comment
  CAS-BOT-BC106186  Brickellia desertorum Scott D. White 1996-9-22 4527 Riverside Lakeview Mts - N of Homeland, along Juniper Flats Rd., ca. 1.2 road miles N of intersect. w/St. Hwy. 74. 502 Comment
  UCR163887  Brickellia desertorum B. G. Pitzer 2001-11-4 4350 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR25770  Brickellia desertorum John C. Roos 1943-8-17 2709 Riverside Plateau in Reche Canyon Comment
  SEINET10389830  Brickellia incana A. C. Sanders, Jim Malusa 2015-9-10 41848 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  JOTR31136  Brickellia oblongifolia var. linifolia La Doux, Tasha 2009-6-3 1848 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  RSA784827  Bromus J. D. Olmsted 1962-6-23 5246 Riverside SE San Bernardino Mtns: At first switchback out of Banning Water Canyon towards Gunsight Pass and Raywood Flat. 1555 Comment
  RSA570549  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8008 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  UC472726  Bromus arizonicus A. S. Hitchcock 1927-3-20 Riverside Colorado Desert, Palm Springs Palm Springs; Colorado Desert, Palm Springs 121 Comment
  RSA741173  Bromus carinatus Scott D. White, Justin M. Wood 2008-5-15 12010 Riverside Johnson Meadow. 1415 Comment
  UC37668  Bromus carinatus var. carinatus H. M. Hall 1901-7-19 2462 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2133 Comment
  UCD58354  Bromus catharticus John Thomas Howell 1960-3-24 35147 Riverside Hemet. Comment
  UCR138916  Bromus diandrus Julie A. Greene 1993-4-3 1078 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  RSA495792  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2899 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  POM122857  Bromus grandis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCR23874  Bromus hallii John C. Roos 1942-6-20 994 Riverside Peninsular Range; San Jacinto Mtns, Dark Canyon Camp, North Fork San Jacinto River 1829 Comment
  UCR165423  Bromus hordeaceus A. C. Sanders 2005-4-21 29560 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR2232  Bromus hordeaceus F. M. Reed 1906-5-31 970 Riverside Riverside, on Sedgwick Street in a little arroyo 274 Comment
  UCR52074  Bromus madritensis Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, c. 6 mi SW of Riverside, NE corner of Hibiscus and Dauchy Avenues 488 Comment
  POM363960  Bromus rubens H. de Forest, George R. Johnstone 1925-4-17 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA682074  Bromus rubens Scott D. White 2001-3-27 8172 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UCR112958  Bromus rubens B. G. Pitzer 1998-3-1 3545 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCD59890  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UCD59904  Bromus tectorum var. glabratus A. A. Beetle 1942-4-22 3182 Riverside Rt. 60 and 70, 5 miles east of Shavers Summit. Comment
  JOTR35281  Bromus trinii Andre, Jim 2012-4-16 20982 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UC1930179  Bromus trinii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky, T. S. Ross 2003-4-17 10455 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
  UCR2261  Bromus trinii F. M. Reed 1906-3-17 923 Riverside Riverside: mouth of South fork of Arroyo Tequesquite 335 Comment
  RSA658969  Bromus unioloides Margaret Murphy 1983-5-21 31 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  CDA26848  Caesalpinia virgata G. D. Barbe 1978-5-2 2365 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
  SEINET7347688  Caesalpinia virgata N. H. Holmgren, P. K. Holmgren 1974-3-23 7462 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 244 Comment
  UCR109560  Caesalpinia virgata R. D. Goeden, Don W. Ricker 1980-3-20 s.n. Riverside Western Colorado Desert, Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  RSA556439  Calandrinia ciliata Julie Greene 1993-4-17 1199 Riverside West of Davis Road. 433 Comment
  UCR111602  Calandrinia ciliata Mitch Provance 1998-4-8 1776 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  SD262253  Callitriche marginata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 27 Riverside Menifee Valley: Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. Large vernal pool. 430 Comment
  RSA660030  Calocedrus decurrens Michelle Cleveland 1981-2-14 12 Riverside Idyllwild Visitor Center off Hwy 74. Collected 200 yards N of Visitor Center. 1900 Comment
  UCR100822  Calochortus albus G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UC1294020  Calochortus concolor E. K. Balls 1958-6-27 23296 Riverside 3.2 mi nw Indian Truck Trail junction with Main Divide (along Indian Truck Trail); Santa Ana Mts. 853 Comment
  RSA377483  Calochortus invenustus M. B. Dunkle 1933-7-22 3755 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  UCR122530  Calochortus palmeri var. munzii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6684 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  UCR130220  Calochortus palmeri var. palmeri George K. Helmkamp, E. A. Helmkamp 1998-6-27 4083 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 3.3 mi south of Calif. Hwy 74 1601 Comment
  CAS-BOT-BC497281  Calochortus weedii var. weedii Scott D. White 1995-6-30 3420 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. confluence 365 Comment
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Dec 10 2018
  UCR90296  Calochortus weedii var. weedii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3336 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
  JOTR01242  Calycoseris parryi Cole, James E. 1941-4-23 641 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  UCD129994  Calycoseris wrightii M. F. Wojciechowski; M. J. Sanderson 1993-3-24 280 Riverside Little Maria Mountains, near Midland. Comment
  UCR29780  Calycoseris wrightii George K. Helmkamp 1983-3-24 383- 14 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR60928  Calycoseris wrightii Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1355 Riverside Sonoran (Colorado) Desert, Shavers Valley, Hwy 195, N base of the Orocopia Mtns half way between I-10 and Box Canyon 366 Comment
  UCR100034  Calyptridium monandrum Scott D. White 1994-4-23 2043 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
  UCR137704  Calyptridium monandrum D. L. Banks, V. W. Steinmann 1997-3-13 1518 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UC130501  Calyptridium parryi var. parryi Charlotte M. Wilder 1909-7-10 942 Riverside head of Willow Creek (on trail to Round Valley, near log cabin) 2804 Comment
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Apr 2 2008
  RSA586723  Calystegia macrostegia subsp. arida 1995-5-17 0445 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  SEINET3246022  Calystegia macrostegia subsp. arida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-1 38408 Riverside Peninsular Range: southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 491 Comment
  RSA413243  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Along road to Field Station, ca. 0.4 km ENE of Field Station site. 350 Comment
  CAS-BOT-BC168227  Camissonia bistorta Abby Sirulnik 2000-4-13 06 Riverside Peninsular Ranges: Southwestern Riverside County Multispecies Reserve, ca. 3 mi NE of Skinner Reservoir 610 Comment
  CSUSB185  Camissonia bistorta R. Pirot 1975-5-10 Riverside Juniper Flats road and Highway 74, Homeland 542 Comment
  POM31999  Camissonia bistorta C. F. Baker 1903-4-5 4118 Riverside Hemet Comment
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Mar 24 2011
  POM32000  Camissonia bistorta C. F. Baker 1904-4-5 4118 Riverside Hemet Comment
  RSA0036469  Camissonia bistorta J. M. Andre 2012-6-15 30501 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA192043  Camissonia bistorta E. W. Lathrop 1959-4-2 4444 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  RSA465934  Camissonia bistorta Gale Sphon 1955-3-5 s.n. Riverside Elsinore Mountains, Horsethief Canyon, along sunny side of road Comment
  RSA516878  Camissonia bistorta Steve Boyd 1986-3-1 1360 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UCR118781  Camissonia bistorta A. C. Sanders, T. B. Salvato 2000-5-25 23426 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR133167  Camissonia bistorta Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UCR3352  Camissonia bistorta T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 2 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on SE road fork 793 Comment
  JOTR31893  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2143 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  RSA775814  Camissonia brevipes subsp. brevipes Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 838 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine,' rolling bajadas adjacent rocky hills, separated by small wash fingers 451 Comment
  RSA770891  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4594 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  POM272059  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road, San Jacinto Mt. Colorado Desert. 579 Comment
  SEINET10492046  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  SEINET5344149  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Above & adjacent to coast, Corona Del Mar State Park along Newport Coast Drive Comment
  CSUSB196  Camissonia claviformis Sally Bell 1964-3-12 Riverside Cathedral City, about 500 feet west of Blue Skies Trailor Court off highway 111, in sandy soil. 96 Comment
  UCR104013  Camissonia claviformis George K. Helmkamp 1998-4-4 3136 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CLARK-A1528-3359  Camissonia claviformis subsp. aurantiaca John C. Roos 1937-4-18 1366 Riverside Snow Creek Comment
  RSA175094  Camissonia claviformis subsp. yumae Robert F. Thorne 1963-3-29 32412 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  SEINET7042773  Camissonia graciliflora W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA496463  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3079 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  UCR119406  Camissonia hirtella Mitch Provance 1998-6-11 645 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR280966  Camissonia hirtella Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 36 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR58487  Camissonia hirtella Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  UCR258634  Camissonia intermedia T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7901 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  POM247919  Camissonia pallida subsp. hallii A. M. Alexander, Louise Kellogg 1941-4-24 2072 Riverside In sand and gravel; Gorge of Dry Morongo Creek, Morongo Valley. 640 Comment
  UCR269111  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4465 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  JOTR31936  Camissonia refracta La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2174 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
  RSA796095  Camissonia refracta Duncan S. Bell 2009-4-20 307 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UCR41609  Camissonia refracta A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6117 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC454581  Camissoniopsis bistorta I. J. Condit 1910-6-24 Riverside Idyllwild San Jacinto Mts. 914 Comment
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Mar 21 2011
  SD133055  Camissoniopsis hirtella Scott White 1991-5-13 91 93 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Sprins. 548 Comment
  SD137703  Camissoniopsis hirtella Darin L. Bankls, Steve Boyd 1995-5-3 260 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  JEPS31746  Camissoniopsis ignota W. L. Jepson May 17 1901-Jun 1 1901 1219 Riverside mesas e Riverside Comment
  SBBG101791  Camissoniopsis intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 6044 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  JOTR34225  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding 2010-4-7 3635 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA0069663  Camissoniopsis pallida subsp. pallida Cheryl Sevilla, Sarah J. De Groot 2015-2-18 15 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
  RSA523523  Capsella bursa-pastoris Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3982 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CDA6876  Carduus pycnocephalus T. C. Fuller 1962-6-6 8847 Riverside National Orange Company property, east extension of Palmyrita Avenue, 2.5 miles east of Iowa Avenue, Highgrove. 0 Comment
  UCR109623  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1972-5-11 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  UCR182570  Carex Andrea Salzman, Carlos Navarro 2006-7-17 182 Riverside San Jacinto Mtns., Dark Canyon 1720 Comment
  POM49568  Carex fracta Phillip A. Munz, I. M. Johnston 1924-7-28 8817 Riverside Pine Flats 1738 Comment
  HSC101596  Carex multicostata Steve Boyd, G. D. Wallace 2005-7-30 11652 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
  UC72389  Carex nebrascensis H. M. Hall July, 1901 2561 Riverside Fuller's Mills Mountains San Jacinto Mountains 2072 Comment
  CAS-BOT-BC118514  Carex praegracilis Ivan Murray Johnston 1918-5-26 1995 Riverside Santa Ana River NW of Corona. 152 Comment
  POM10385  Carex praegracilis F. M. Reed 1906-4-29 945 Riverside Riverside: Santa Ana River bottom near Rubidoux Ave. Comment
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Mar 10 2011
  POM1481  Carex praegracilis I. M. Johnston 1918-5-26 1995 Riverside Santa Ana River, NW of Corona. 152 Comment
  UCR142302  Carex praegracilis A. C. Sanders 1997-3-19 20044 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR158885  Carex praegracilis Scott D. White 1994-6-14 2059 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR29265  Carex praegracilis A. C. Sanders, K. Berg 1980-5-1 1366 Riverside San Jacinto Mtns., Garner Valley. 0.25 mi NW of the Kenworthy Ranger Station. 1387 Comment
  CAS-BOT-BC117450  Carex senta D. E. Breedlove 1961-7-29 873 Riverside Fuller Mill Creek where it crosses Riverside Hwy #1. San Jacinto Mountains. 1645 Comment
  SD112272  Carex senta Darley Howe 1941-6-8 1333 Riverside San Jacinto Mts, Strawberry Creek. Comment
  SD112262  Carex subfusca Darley F. Howe 1941-6-9 1291 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  RSA500192  Carex subfusca Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3552 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  CAS-BOT-BC353428  Castela emoryi Marcus E. Jones 1929-9-16 24964 Riverside Near Desert Center Comment
  RSA699035  Castela emoryi J. Russell Bruff 1928-4-3 182 Riverside 13 miles W of Desert Center Comment
  RSA562104  Castilleja affinis Steve D. Boyd 1992-4-14 6802 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA82229  Castilleja affinis F. W. Peirson 1929-5-4 8338 Riverside Mostly about bushes on low hill about 2 miles south of summit of St. Johns Grade south of Hemet. 701 Comment
  UC885203  Castilleja affinis subsp. affinis C. B. Clokey, I. W. Clokey, and B. Templeton 1930-4-15 4729 Riverside Perris to Gavilan Peak 182 Comment
  SEINET4096531  Castilleja applegatei var. pinetorum O. M. Clark 1929-1 1947 Riverside South Hemet, southern California. Comment
  UCR154973  Castilleja exserta A. C. Sanders, Kelly Volansky 2005-3-17 29212 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  RSA33565  Castilleja foliolosa N. C. Cooper 1944-3-24 1020 Riverside Banning. 701 Comment
  RSA652577  Castilleja foliolosa Jeanne Bellemin 1969-5-24 s.n. Riverside Banning to [Idyllwild]. 976 Comment
  SEINET156520  Castilleja foliolosa Norman C. Cooper 1944-5-6 1183 Riverside Banning. 701 Comment
  UC1979664  Castilleja foliolosa Darin L. Banks, Steve Boyd 1995-3-15 73 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  RSA783626  Castilleja martinii J. D. Olmsted 1962-5-3 3495 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  UCR49244  Caucalis microcarpa Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA523519  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3978 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR196368  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  SD247618  Caulanthus simulans Ed Kentner, Onkar Singh 2014-4-4 366 Riverside Cleveland National Forest: near Main Divide Road approx. 2 km southeast of Ortega Highway. 843 Comment
  RSA575073  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -U Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SEINET10824794  Ceanothus crassifolius Nye Leith, Greg Gust 2005-3-11 Nye 67 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  VVC436  Ceanothus cuneatus Frank Aubrey 1959-4-11 s.n. Riverside Perris Basin, 3.2 miles So of US 395 - State 71 jct. on US 395. E. side of Rd. 351 Comment
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May 9 2016
  UCR92670  Ceanothus cuneatus subsp. cuneatus Scott D. White, Shelton Dowthit, Conservancy volunteers 1996-3-31 3851 Riverside Lake Skinner Area: Riverside Land Conservancy conservation easement site, about 0.5 mi south of the reservoir, near East Benton Rd 534 Comment
  UC18386  Ceanothus greggii var. perplexans H. M. Hall May 26-29 1899 Riverside from Kenworthy to Oak Grove; Smith Mountain and San Jacinto Mountains Comment
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Nov 13 2006
  CAS-BOT-BC51284  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore - S. Cal. Comment
  OBI10447  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts 1.6 mi S Idylwild on Rd to Tauquitz Lodge 1524 Comment
  RSA249853  Ceanothus leucodermis J. P. Simon, C. W. Tilforth 1969-6-24 38125 Riverside San Bernardino National Forest. Above and in James Reserve. 1677 Comment
  CAS-BOT-BC63566  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7209 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1.5 mi. below (n.) main divide motorway. 1280 Comment
  SJSU15170  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UCR172755  Ceanothus palmeri Abby Sirulnik 2000-5-7 39 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 6 mi. south of Poppet Flat Road 1646 Comment
  UCR178566  Ceanothus perplexans R. G. Swinney 1967-3-5 0061 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR215076  Ceanothus perplexans Justin M. Wood 2009-3-10 347 Riverside Peninsular Range; San Jacinto Mountains, Twin Pines Rd. near entrance to Twin Pines Ranch 1159 Comment
  UCR26625  Ceanothus tomentosus E. W. Lathrop 1966-3-23 6078 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  RSA543977  Ceanothus tomentosus var. olivaceus Steve Boyd 1991-5-10 6209 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCR248009  Celtis sinensis O. F. Clarke 2009-9-1 s.n. Riverside Riverside, UCR Botanic Garden 412 Comment
  UCR80663  Centaurea repens G. R. Ballmer 1992-6-23 92- 9 Riverside San Timoteo Canyon, 3.2 mi SE of Redlands Blvd. Comment
  POM13612  Centaurium venustum E. C. Jaeger 1921-7-15 1134 s.n. Riverside Massacre Canyon, near San Jacinto. 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
  RSA741552  Centromadia pungens subsp. laevis Justin M. Wood 2008-11-5 220 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  UCR246466  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2010-6-5 10- 49 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  UCR266416  Centromadia pungens subsp. laevis D. E. Bramlet 2005-6-28 3882 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  CSUSB1862  Cercocarpus betuloides A. H. Wheeler 1974-7-22 Riverside San Jacinto Mountains Palms To Pines Highway- Juniper Flats 1219 Comment
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Dec 4 2011
  CAS-BOT-BC143891  Cercocarpus betuloides var. betuloides Steve Boyd; Orlando Mistretta 1992-4-22 7005 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA192311  Cercocarpus minutiflorus H. A. Zuill 1966-7-17 287 Riverside Tenaja Grade, about 1 mile SW Murrieta Comment
  RSA0014597  Chaenactis carphoclinia Justin M. Wood 2010-4-30 1551 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  SEINET3005068  Chaenactis carphoclinia G. Rink 2011-5-1 10506 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR272261  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2010-4-9 781 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air miles west of Priest Well 485 Comment
  RSA0118597  Chaenactis carphoclinia var. carphoclinia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7643 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  POM351693  Chaenactis fremontii Christopher Davidson 1973-4-1 1843 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  POM351702  Chaenactis fremontii Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  UCR260891  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41471 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  SD186071  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles sousouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  UCR59502  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-4-2 3239 B Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  CAS-BOT-BC277412  Chaenactis glabriuscula var. glabriuscula Scott D. White 1996-4-14 3898 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  RSA351768  Chaenactis glabriuscula var. glabriuscula J. D. Olmsted 1962-5-10 3646 Riverside Crest between Sandia Creek and DeLuz Creek drainages 259 Comment
  RSA777338  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4700 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65123 604 Comment
  CAS-BOT-BC277553  Chaenactis glabriuscula var. lanosa L. R. Abrams 1926-3-25 11055 Riverside Between Banning and Cabazon Comment
  RSA523315  Chaenactis glabriuscula var. lanosa G. H. True 1935-4-3 200 Riverside Box Springs 366 Comment
  SEINET5763241 Image available Chaenactis glabriuscula var. lanosa Norman C. Cooper 1944-4-21 1109 Riverside Banning. Comment
  SEINET2049307 Image available Chaenactis parishii Kathy Harper 1988-6-11 Riverside San Jacinto Mountains, on Thomas Mountain Road, S of Thomas Mountain Lookout. Comment
  UCR44221  Chaenactis parishii A. C. Sanders 1986-6-1 6558 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  CAS-BOT-BC284348  Chaenactis stevioides H. M. Hall 1905-5-1 6018 Riverside Cottonwood Springs, Colorado Desert 670 Comment
  JOTR32350  Chaenactis stevioides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2466 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and near Johnny Lang Canyon; Bouldery northeast facing drainage (Stop 1) Comment
  RSA0039853  Chaenactis stevioides Duncan S. Bell, Evan Meyer 2014-4-2 6508 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC217943  Chaenactis stevioides P. A. Munz and D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley Colorado Desert, Chuckawalla Valley 152 Comment
  RSA152512  Chaenactis stevioides var. stevioides R. C. Bacigalupi 1953-4-20 4039 Riverside Hwy 60-70, opposite Hayfield Dry Lake, 7 miles E of Shaver Summit. 442 Comment
  POM182427  Chamaesyce albomarginata R. L. Pendleton 1905-9-28 255 Riverside Riverside. Comment
  RSA501028  Chamaesyce albomarginata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3148 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  HSC8028  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  RSA774724  Chamaesyce polycarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4504 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA779803  Chamaesyce polycarpa Duncan S. Bell 2009-3-9 102 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
  RSA770639  Chamaesyce setiloba R. F. Thorne 1966-10-15 41779 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UCR275019  Cheilanthes June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCD169089  Cheilanthes clevelandii A. C. Sanders; Mitch Provance, E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit Black Mtn. 915 Comment
  UCR150602  Cheilanthes covillei R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38136 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest. Hilltop above Lake Fulmor 1677 Comment
  UCR177317  Cheilanthes newberryi Scott D. White, Michael Honer 2003-5-27 9397 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  CAS-BOT-BC70338  Cheilanthes parryi Barbara Shervanick 1973-2-18 652 Riverside Palm Springs, end of Raquet Club Road, about 1/2 mile from Aerial Tramway, San Jacinto Mts., Salton Sea, Colorado Desert 365 Comment
  POM197998  Cheilanthes parryi Donald A. Johansen, J. A. Ewan 1932-4-10 7054 Riverside Ravine at mouth of Tahquitz Canyon Western Colorado Desert Comment
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Jan 5 2010
  RSA23175  Cheilanthes parryi I. L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon 3-5 miles south of Palm Springs Comment
  UCR193752  Chenopodium A. C. Sanders, Mitch Provance 2008-7-11 35755 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  UCR155814  Chenopodium album 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
  RSA0035479  Chenopodium berlandieri A. C. Sanders 2013-7-7 40858 Riverside SE of Idyllwild on Saunders Meadow Road near the trash transfer station (dump), NE of hairpin turn in road 1610 Comment
  RSA700016  Chenopodium californicum Scott D. White, Michael Honer 2003-4-4 8934 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UC1931134  Chenopodium californicum Scott D. White, Justin Wood 2008-6-17 12170 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). (Butterfly Peak) Comment
  CLARK-A1528-2561  Chenopodium fremontii John C. Roos 1946-8-27 9212 Riverside Santa Rosa Mountains 2438 Comment
  SEINET238516  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-16 23721 Riverside Railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  CDA3069  Chenopodium murale T. C. Fuller 1962-4-4 7994 Riverside Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  JEPS59753  Chenopodium murale W. L. Jepson 1901-5-16 1224 Riverside Riverside 266 Comment
  SD234366  Chenopodium strictum Mitch Provance 2003-6-7 7607 Riverside San Bernardino Valley: Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR145576  Chenopodium strictum var. glaucophyllum Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  SFV3471  Chilopsis linearis M. L. Vincent, R. H. Swade 1963-10-19 452 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCR17117  Chilopsis linearis Anonymous 1969-5-25 12 Riverside Sonoran (Colorado) Desert, Hwy 22 from Indio to Blythe, turnoff into Joshua Tree, about 3 mi from Cottonwood Springs Comment
  UCR47323  Chilopsis linearis B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0565 Riverside San Bernardino Mtns., Whitewater Canyon, c. 0.25-0.50 mi north of Trout Farm, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. 732 Comment
  LA204150  Chilopsis linearis subsp. arcuata S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  POM10316  Chilopsis linearis subsp. arcuata Charlotte M. Wilder 1904-8-7 505 Riverside Shaver s Wells. Colorado Desert. Saligma Comment
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Jul 24 2010
  UC410725  Chilopsis linearis subsp. arcuata Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  UCD121647  Chilopsis linearis subsp. arcuata Richard Bates 1949-4-26 s.n. Riverside Between Cathedral City and Palm Springs. Comment
  RSA487439  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside ong canal near Hobson Way. 81 Comment
  SEINET3837934 Image available Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans road intersection E to I-215 Fwy (Romoland) 434 Comment
  CAS-BOT-BC191710  Chorizanthe brevicornu var. brevicornu Ivan Johnston 1917-4-4 1105 Riverside near Palm Springs. Colorado Desert Comment
  RSA704544  Chorizanthe brevicornu var. brevicornu LeRoy Gross 2005-3-3 1578 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC68578  Chorizanthe brevicornu var. brevicornu H. M. Hall May, 1905 6029 Riverside near Pinto Mountains; Colorado Desert, near Pinto Mountains Comment
  UCR59536  Chorizanthe coriacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3237 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  JEPS57635  Chorizanthe corrugata E. E. Schellenger May 1920 Riverside near Mecca (Hayfields, Colorado Desert); Colorado Desert, Hayfields Comment
  RSA392639  Chorizanthe fimbriata M. B. Dunkle 1934-6-18 3969 Riverside Upper San Juan Canyon. Comment
  RSA615122  Chorizanthe fimbriata A. C. Sanders, G. K. Helmkamp 1997-3-15 19929 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills. 537 Comment
  RSA586719  Chorizanthe fimbriata var. fimbriata D. L. Banks, S. D. Boyd 1995-5-17 442 Riverside NW Palomar Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., lower Arroyo Seco; S of the Dripping Springs Campground, W the Dripping Springs Trail. 573 Comment
  CAS-BOT-BC252785  Chorizanthe parryi var. parryi Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  CAS-BOT-BC246242  Chorizanthe rigida A. C. Sanders; E. J. Lawlor 1992-4-4 12088 Riverside Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring 243 Comment
  RSA27503  Chorizanthe rigida I. L. Wiggins 1941-3-24 s.n. Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
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May 3 2014
  RSA392739  Chorizanthe rigida Christopher Davidson 1979-4-4 7694 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA701086  Chorizanthe rigida Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11243 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
  RSA777545  Chorizanthe rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 905 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  RSA698369  Chorizanthe xanti var. leucotheca Olive Van Meter 1933-5-30 s.n. Riverside Whitewater region. Comment
  RSA734503  Chorizanthe xanti var. leucotheca M. Wall 2008-6-20 463 Riverside San Jacinto River, east of Hemet off Hwy 74, ca. 2.0 miles east of the Cranston Ranger Station. 639 Comment
  RSA797252  Chrysolepis sempervirens Robert F. Thorne, Walter Wisura 1977-9-17 50790 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  RSA296169  Chrysothamnus paniculatus B. A. Prigge 1980-8-5 3868 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
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Jan 14 2010
  UCR133967  Chrysothamnus paniculatus Mitch Provance, J. S. Ross 1998-3-27 MOR- 952 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR150648  Chrysothamnus teretifolius Bern Schwenn 1994-11-5 s.n. Riverside Joshua Tree National Monument, Eagle Mtns: 3.2 mi south of Black Eagle Rd on BLM route J289; junction of J289 and Black Eagle Rd. is 8 mi east of paved Pinto Basin Rd Comment
  CDA37527  Chylismia brevipes M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  SBBG81682  Chylismia brevipes S. A. Junak 1983-3-24 1658 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  RSA799240  Chylismia brevipes subsp. brevipes Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 748 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
  CAS-BOT-BC160594  Chylismia claviformis subsp. aurantiaca H. M. Hall 1905-4-1 5805 Riverside 10 miles west of Coachella 91 Comment
  CAS-BOT-BC160605  Chylismia claviformis subsp. aurantiaca Javier Penalosa 1963-4-10 s.n. Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  JOTR38683  Chylismia claviformis subsp. aurantiaca Hodges, Stephen R. 2017-2-7 699 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UC1184361  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-16 11862 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  UCR46700  Cirsium vulgare B. G. Pitzer, D. C. Hawks 1986-12-2 0366 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  CAS-BOT-BC438854  Cistanthe monandra H. M. Hall 1904-5-16 4944 Riverside Vicinity of Riverside. Fairmount Park. 243 Comment
  RSA203063  Cistanthe monandra James Henrickson 1967-4-30 2468 Riverside 2 miles N of Lake Elsinore. 396 Comment
  RSA65413  Cistanthe monandra F. W. Peirson 1921-4-13 4317 Riverside Foot of Deep Canyon, Coachella Valley 274 Comment
  UCR97658  Citrus sinensis A. C. Sanders 1997-3-2 19774 Riverside Riverside: north of Spruce Street between the railroad tracks and the Gage Canal, near foot of Box Springs Mountains. 305 Comment
  CAS-BOT-BC172108  Clarkia dudleyana Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  CSUSB234  Clarkia purpurea subsp. quadrivulnera Leland R. Dykes 1962-4-22 41 Riverside Along state highway 71, 7 miles south of Corona Comment
  SEINET7048192  Clarkia purpurea subsp. quadrivulnera Steven R. Hill, Andrew C. Sanders 2001-5-4 33701 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UCR265841  Clarkia rhomboidea Mitch Provance 2012-5-24 512- 24 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR174072  Claytonia parviflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32586 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
  RSA0021843  Claytonia parviflora subsp. 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
  JOTR35134  Claytonia parviflora subsp. utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3246 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; narrow wash with large granitic boulders throughout corridor (Stop 2) 1302 Comment
  UCR5923  Claytonia parviflora subsp. utahensis Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., Above Fuller Mill Creek, 50 yards up stream from Banning-Idyllwild road 1616 Comment
  SD236390  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
  RSA386290  Clematis pauciflora E. Crow 1929-3-17 199 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR281488  Clematis pauciflora Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 77 Riverside Temescal Valley, 0.4 miles SE of Horsethief Canyon Rd. and the 15 Fwy. 391 Comment
  RSA440804  Cleome isomeris N. R. Zabriskie 1973-3-16 569 Riverside Deep canyon, north slope Santa Rosa Mountains. 335 Comment
  RSA487448  Collinsia concolor Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA0117390  Collinsia parryi E. W. Lathrop 1969-5-8 7014 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA0117396  Collinsia parryi Robert Allen, L. Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  UC26634  Collinsia parviflora H. M. Hall May 20 1899-May 22 1899 1119 Riverside San Jacinto Mountains, Strawberry Valley Strawberry Valley; San Jacinto Mountains, Strawberry Valley 1615 Comment
  UC2027652  Colubrina californica Carolyn Martus, Joseph Betzier, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  UCD112186  Condalia globosa var. pubescens Robert Cowell 1959-5-4 s.n. Riverside North of the Bradshaw Stage Road, 0.75 mile east of the Imperial Gas Line Road, between Chocolate and Chuckwalla Mountains. Comment
  RSA736756  Conium maculatum Scott D. White, Lynn Stafford 2007-6-27 11748 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  RSA535086  Convolvulus simulans Steve Boyd 1991-5-10 6219 Riverside Temescal Canyon, E base of Santa Ana Mountains. Terrace escarpment just SE of Indian Truck Trail offramp of I-15, S of DePalma Road. 366 Comment
  UCR189583  Convolvulus simulans Ryann Loomis 2006-6-6 017 Riverside Peninsular Range, Perris-Aguanga Basin, 1.2 mi north of northwestern corner of Vail Lake, on peak of Oak Mountain 817 Comment
  RSA386937  Conyza bonariensis K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 907 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR90369  Conyza bonariensis Scott D. White 1995-6-30 3426 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR22091  Conyza canadensis Steve Boyd 1980-9-22 359 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  POM243633  Cordylanthus rigidus subsp. setiger E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  RSA51632  Coreopsis californica L. S. Rose 1949-4-19 s.n. Riverside 4 miles NW of Alberhill. 305 Comment
  HSC5414  Coreopsis douglasii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23091 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  POM49087  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-26 8713 Riverside South of Banning. 976 Comment
  RSA0114924  Corethrogyne filaginifolia Mitch Provance 2012-7-17 712 -20 Riverside San Gorgonio Pass: Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd 735 Comment
  RSA296114  Corethrogyne filaginifolia B. A. Prigge 1980-8-25 4011 Riverside San Jacinto Mts, San Gorgonio Pass, SE of Fingal siding, Southern Pacific RR 415 Comment
  UC1424862  Corethrogyne filaginifolia J. Sauer and F. Vasek 1973-9-26 5545 Riverside sw Murrieta; Mesa de Colorado Comment
  JOTR32315  Coryphantha alversonii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large sandy, open southeast flowing wash and Cottonwood Canyon; Small rocky ledges and outcrops bordering wash (Stop 1) Comment
  UCR172202  Cotula coronopifolia John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA357164A  Crassula aquatica R. F. Thorne, E. W. Lathrop 1975-5-25 45561 -A Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  UCR117308  Crassula connata A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 742 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA563907  Crassula solieri A. C. Sanders 1993-4-1 13666 Riverside Western Edge of Hemet, 14 acre parcel at NE corner of intersection of Myers and Devonshire Ave., 3/4 mi. NE of intersection of Florida Ave. (Hwy 74) and Warren Rd. just south of Tres Cerritos. 460 Comment
  RSA71017  Cressa truxillensis F. W. Peirson 1922-5-21 4254 Riverside near foot of Jack Rabbit Grade. (south of Moreno) 427 Comment
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Mar 20 2011
  UCR232040  Cressa truxillensis John F. Green 2008-4-22 04- 05 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  RSA1256  Crossosoma bigelovii B. D. Stark 1930-5-4 823 Riverside Morongo Pass. Comment
  RSA145908  Crossosoma bigelovii W. S. Davis 1960-3-12 105 Riverside Whitewater Canyon rd, 4.6 mi. N of junction with Hwy. 60, 70, 80. S facing slopes up side canyon. Comment
  RSA480580  Croton californicus B. C. Templeton, C. B. Clokey, J. W. Clokey 1930-4-15 1488 Riverside Near Gavilan Peak. 500 Comment
  SEINET3089965 Image available Croton californicus H. S. Gentry 1954-1 14246 Riverside NW of Aguanga along road to Sage. Comment
  UCR134614  Croton californicus Marisa Sripracha, Kyle Boyd 2004-2-14 005 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  RSA480571  Croton californicus var. mohavensis G. R. Johnstone 1929-11-28 s.n. Riverside 20 miles from Palm Springs 244 Comment
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Nov 11 2011
  UCR183167  Cryptantha Mitch Provance 2003-5-5 4408 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR260602  Cryptantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41543 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  UCR261483  Cryptantha A. C. Sanders, Katie Young, John Hale 2015-4-22 41588 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  JEPS67471  Cryptantha angustifolia W. I. Follett 1942-5-20 125 Riverside 25.5 mi w Desert Center (near Shaver Summit); Colorado Desert Comment
  RSA733626  Cryptantha angustifolia Keith E. Hoffmaster 1935-3-31 565 Riverside Palm Springs Comment
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Aug 27 2011
  RSA776817  Cryptantha angustifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1090 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA799877  Cryptantha angustifolia Scott D. White, Robert Black 2011-2-25 13390 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SBBG63616  Cryptantha angustifolia M. N. Ackley 1928-3-10 41 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UCR256343  Cryptantha angustifolia Duncan S. Bell 2011-12-30 3027 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  SEINET10455843  Cryptantha angustifolia David B. Dunn 1948-2-21 Dunn 3684 Riverside On same sheet as Dunn 2833, UMO 69397. Borage, large flrd. Pushawalla, a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  RSA795812  Cryptantha barbigera C. P. Cowan 1978-4-23 1173 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  RSA79591  Cryptantha barbigera F. W. Peirson 1919-4-13 1026 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  UCR213399  Cryptantha barbigera A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37462 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR214895  Cryptantha barbigera A. C. Sanders 2010-3-23 37533 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SDSU20582  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2005-3-22 653 Riverside Cottonwood Road north of West Palm Springs, near type location. 549 Comment
  UCR196105  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8148 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  RSA781027  Cryptantha costata D. Silverman, Andy Sanders 2010-3-23 7817 Riverside Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  UCR187465  Cryptantha costata Michael Honer, Dave Silverman 2005-3-18 2096 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  JOTR30319  Cryptantha decipiens Andre, Jim, Tasha La Doux 2008-3-21 8840 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  SBBG53355  Cryptantha decipiens J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  CLARK-A1528-331  Cryptantha intermedia C. M. Flanagan 1973-5-31 OO 632 Riverside Morongo Indian Reservation 975 Comment
  RSA522766  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-3-29 3873 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SD137841  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, East of the Dripping Springs Alcove Area, along the lower alluvial benches ofArroyoSeco 518 Comment
  SEINET7063222  Cryptantha intermedia 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
  UC1178549  Cryptantha intermedia Peter Kamb 1948-5-2 927 Riverside above Banning (n slopes of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UC78695  Cryptantha intermedia D. Cleveland 1882-4-22 Riverside Temecula Comment
  UCR214583  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37864 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
  UCR35182  Cryptantha intermedia L. B. Ziegler 1972-5-30 468 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  UCD80958  Cryptantha maritima Chuck Hughes 2009-3-23 57 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  HSC3581  Cryptantha micrantha R. A. Eagle 1963-4-8 8 Riverside San Jacinto Mtns., 3 mi. out of Banning Comment
  RSA0107473  Cryptantha micrantha Duncan S. Bell, Amanda Turek 2009-3-29 151 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA499656  Cryptantha micrantha M. B. Dunkle 1933-4-1 3269 Riverside Dry Morongo, Riverside County Comment
  UCR116813  Cryptantha micrantha var. micrantha A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23943 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SD143998  Cryptantha microstachys A. C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20647 Riverside San Jacinto Mountains: N side along Hwy. 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), N slope of Peak 3740. 1067 Comment
  UC1929303  Cryptantha microstachys Scott D. White, Justin Wood 2008-4-16 11883 Riverside Perris/Elsinore Basin; Hills to the W of I-215 and S of Scott Rd. Comment
  UCR63513  Cryptantha microstachys Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  UCR7858  Cryptantha microstachys O. F. Clarke, R. Gagnon 1968-5-14 s.n. Riverside City of Riverside, Santa Ana River bottom off Fremont Avenue Comment
  RSA0094688  Cryptantha microstachys Steve Boyd, D. Bramlet, Timothy S. Ross 1993-5-12 7341 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  SEINET3145436  Cryptantha muricata R. W. Spellenberg, N. Zucker 2001-3-27 13186 Riverside Desert Hot Springs. Indian Ave., 0.5 km S of jxn w/ Calif. Hwy 62 540 Comment
  UCR242673  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  SBBG19075  Cryptantha muricata var. jonesii M. A. Piehl 1963-6-2 63544 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  UCD119940  Cryptantha muricata var. jonesii C. L. Hitchcock 1966-3-15 24157 Riverside 1 mile east of Glen Ivy Hot Springs. Comment
  UCR268303  Cryptantha muricata var. jonesii Jim Andre 2012-6-15 30518 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  SBBG34216  Cryptantha muricata var. muricata H. Haid 1969-5-11 Riverside Bautista Cyn, ca. 20 mi SE of Hemet 914 Comment
  POM15233  Cryptantha nevadensis Mary F. Spencer 1922-4-4 2034 Riverside Palm Springs. 122 Comment
  OBI38910  Cryptantha pterocarya A. C. Sanders, w/ Pitzer, Charlton, & Kniffen, Kniffen 1986-3-3 6119 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  CLARK-A1045-302  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  RSA725434  Cucurbita foetidissima Michael Wall 2007-10-19 437 Riverside San Jacinto Valley, Bautista Creek drainage, on flats along Bautista Rd., between 4.0 - 4.8 miles SE of jct. with Fairview Ave. 671 Comment
  POM204501  Cucurbita palmata M. French Gilman 1934-10-3 s.n. Riverside Cabazon. Comment
  UCR178318  Cucurbita palmata T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 621 .3 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  CAS-BOT-BC224383  Cuscuta Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  JOTR01148  Cuscuta Cole, James E. 1941-6-14 890 Riverside Joshua Tree National Park. QUAIL WASH 1066 Comment
  UCR174305  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32646 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
  RSA638871  Cuscuta ceanothi Scott D. White 1998-10-13 7182 Riverside Corona, near Bedford canyon: Dissected alluvial slope, foothills at eastern slope of Santa Ana Mts. 'Joseph Canyon' wash near a disused quarry. 335 Comment
  RSA0105841  Cuscuta pentagona Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  POM201675  Cuscuta subinclusa L. M. Booth 828 Riverside Santa Ana River at Chino Creek, near Prado. Comment
  RSA591739  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  SEINET3272855  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2012-11-16 17636 .5 Riverside Aguanga 7.5' USGS topographic quadrangle Zone; 2.1 km east-northeast of the summit of Billy Goat Mountain, 5 km north-northeast of Aguanga, 75 km southeast of Riverside. 867 Comment
  RSA0080817  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-3-20 17721 .1 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  POM11971  Cylindropuntia echinocarpa P. A. Munz, D. D. Keck 1922-4-9 5017 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
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Apr 5 2011
  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
  SEINET3085683  Cylindropuntia munzii Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17306 Riverside South Side of Chuckwalla Mountains, 67km WSW of Blythe, 3.8km SSW of Augustine Pass. 665 Comment
  SEINET716811  Cylindropuntia ramosissima R. Puente, G. and A. Puente-Reinhardt 1998-11-7 741 Riverside 1.5mi e of Chirico Summit Comment
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Jan 7 2016
  UCD60014  Cynodon dactylon T. C. Fuller 1970-10-7 19798 Riverside Palo Verde Valley, southeast of Blythe. Comment
  RSA500992  Cynodon dactylon Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3111 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  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
  CAS-BOT-BC114261  Cyperus esculentus Scott D. White; Steve Ogg 1994-10-17 2469 Riverside Murrieta Ck 1000 ft S of Winchester Rd. bridge (Banana Ave on USGS Murrieta quad, photorev. 1979) 310 Comment
  UCR19010  Cyperus esculentus John C. Roos 1965-10-25 s.n. Riverside Coachella Valley, Coachella, south of Indio -8 Comment
  SD148283  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino/ upper Santa Ana River region; Box Springs Mountains foothills, Box Springs Canyon above Sheriff's Academy, north of Central Avenue. 366 Comment
  UC306115  Cyperus laevigatus Crawford and Johnston 1917-6-8 16 Riverside Santa Ana R. near Corona; Santa Ana R. Comment
  CAS-BOT-BC113967  Cyperus odoratus J. Ewan 1931-10-3 s.n. Riverside Wet sand along river bank, Santa Ana River, 4 mi NW of Corona. Comment
  POM14018  Dalea mollis P. A. Munz 1922-4-8 4738 Riverside Mecca, Colorado desert. -30 Comment
  SD51744  Dalea mollis Peter M. Ray 1949-3-6 1327 Riverside Willis Palms, near 1000 Palms, Coachella Valley Comment
  UC472707  Dalea mollis M. F. Spencer 1921-3-24 Riverside Mecca Colorado Desert, Mecca Comment
  UCSB18651  Dalea mollis Winn, Will 1963-4-8 Riverside U.S. Highway 60-70; 29.6 miles east of Desert Center 243 Comment
  POM301796  Dalea mollissima J. Cole 1942-5-19 964 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  UCR166859  Dalea mollissima Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  CAS-BOT-BC283035  Dasyochloa pulchella Peter H. Raven 1958-5-18 12990 Riverside Pinon Flats, San Jacinto Mountains 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
  CHSC1917  Datura wrightii V. Holt 1935-4-16 Riverside Foothills, San Jacinto mts., E. Comment
  JEPS121574  Datura wrightii Adam C. Schneider with Will Freyman 2014-2-16 394 Riverside Box Canyon Road. Comment
  JEPS12291  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shaver Wells Comment
  SDSU2268  Daucus pusillus H. Wedberg 1962-5-23 934 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  OBI5733  Deinandra fasciculata C. M. Wilder 2004-6-4 s.n. Riverside Jurupa Hills near Riverside, Wilder's Cyn Comment
  UCD131073  Deinandra kelloggii D. E. Bramlet 2000-8-30 3076 Riverside Shipley Reserve; the site is an ephemeral draiange 213 m south of Auld Valley Creek and 915 m east of the Bachelor Mtn. access road. 451 Comment
  SD144040  Deinandra mohavensis A. C. Sanders, O. F. Clarke, M. Alexander, et al 1994-1-1 14224 Riverside San Jacinto Mountains: Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Road (dirt). 920 Comment
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Jun 23 2008
  UC1930979  Deinandra paniculata T. B. Salvato, Gregg Miller 2005-6-3 1378 Riverside Peninsular Range; Perris-Aguanga Basin Region: ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road Comment
  UCR18913  Delphinium cardinale John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  POM10163  Delphinium parishii C. F. Baker 1921-4-30 4504 Riverside Pinyon Wells 1220 Comment
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Jun 24 2012
  UC854174  Delphinium parishii subsp. parishii Alice Eastwood 1913-4-30 2999 Riverside Palm Springs Comment
  RSA757731  Delphinium parryi LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4352 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA763765  Delphinium parryi Doris Bowers 1972-4-15 1843 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  CAS-BOT-BC121430  Delphinium parryi subsp. parryi H. M. Hall 1901-6-1 2161 Riverside Eastern base, along the borders of the Colorado Desert Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  CLARK-A1528-3935  Dendromecon rigida David T. Wright 1966-5-16 Riverside San Jacinto Mountains Comment
  RSA688853  Dendromecon rigida Scott D. White, Michael Honer 2003-5-13 9255 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SFV1359  Dendromecon rigida P. G. Kilburn 1958-5-17 815 Riverside San Jacinto Mountains Mount San Jacinto, 7 miles south of Banning on road to Idyllwild. 915 Comment
  RSA433242  Dendromecon rigida subsp. rigida A. M. Johnson 1932-8-18 4137 Riverside San Jacinto Mtns. east side along road Comment
  UCR110458  Deschampsia danthonioides D. E. Bramlet 1998-4-22 2604 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
  UCR222303  Deschampsia danthonioides R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55219 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  POM11891  Descurainia obtusa subsp. adenophora E. C. Jaeger 1921-6-14 s.n. Riverside MacMullin Trail 1220 Comment
  RSA67308  Descurainia pinnata G. R. Campbell 1951-4-22 16000 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt. [Santa Rosa Mt Truck Trail]. 1371 Comment
  UC212652  Descurainia pinnata subsp. glabra Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 274 Comment
  UCR260886  Dicentra chrysantha A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41569 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 396 Comment
  CAS-BOT-BC500848  Dichelostemma capitatum Milo S. Baker 1928-4-3 2807 b Riverside Tahquitz Canyon near Palm Springs Comment
  SDSU21837  Dichelostemma capitatum subsp. capitatum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 6 Riverside Santa Magarita Ecological Reserve, Via Tornado, North side of Santa Margarita river, behind cabin. 357 Comment
  POM48478  Dicoria canescens F. W. Peirson 1924-12-30 5425 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  RSA0112100  Dicoria canescens Duncan S. Bell 2009-8-15 434 Riverside East side of the Arica Mountains. 257 Comment
  SD45172  Diplacus bigelovii var. bigelovii Helen K. Sharsmith 1952-4-11 4061 Riverside Mojave Desert, Lost Palms canyon, Eagle Mountains, ca. 2 miles from Shaver Summit 671 Comment
  RSA0018431  Diplacus longiflorus var. longiflorus Scott D. White, Michael Honer 2004-4-6 10042 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  SDSU13686  Diplacus puniceus Janet M. Knotts, Jill Steinberg 1998-4-22 22 IV1998B Riverside A few ft. E of strea on N side of footpath, ca. 0.5 mile NW of SDSU Santa Margarita Field Station, north of Santa Margarita River. 354 Comment
  RSA421625  Ditaxis californica Robert Gustafson 1980-4-3 1523 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  POM87244  Ditaxis claryana Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  JOTR34093  Ditaxis lanceolata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2671 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA793458  Ditaxis lanceolata Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4376 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  RSA70430  Ditaxis serrata F. W. Peirson 1932-12-28 s.n. Riverside Andreas Canyon, near Palm Springs 244 Comment
  UCR248428  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  RSA355177  Ditaxis serrata var. californica J. M. Stewart 1986-1-20 86 -3 Riverside Divide between Mecca Hill and Orocopia Mountains. Comment
  CAS-BOT-BC43646  Dithyrea californica Marion L. Campbell 1921-3-20 81 Riverside Palm Springs. Comment
  UC963835  Dithyrea californica Helen K. Sharsmith 1952-4-8 4049 Riverside w lobe Pinto Basin; Mojave Desert, Joshua Tree National Monument 609 Comment
  UCR84842  Dithyrea californica A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16142 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  SEINET12005463  Dithyrea californica S. B. Parish, Parish, W. F. 1881-1 15 Riverside Whitewater Comment
  RSA781240  Dittrichia graveolens Lee Jones 2010-11-19 s.n. Riverside Beaumont, San Timoteo Canyon Rd. at entrance to golf course maintenance bldg., c. 1.8 mi. west of intersection with I-10 701 Comment
  CAS-BOT-BC412629  Dodecahema leptoceras A. G. Vestal 1937-5-10 s.n. Riverside 7.4 mi So of Hemet Comment
  SD140523  Dodecahema leptoceras Patricia Gordon-Reedy 1989-5-5 Riverside Ca. 10.5 miles east of I-15 along Hwy. 79. Hills directly north of Dripping Springs Campground and Hwy. 79; south of Vail Lake. 305 Comment
  UCR256941  Dodecahema leptoceras Naomi Fraga, Duncan S. Bell 2009-5-6 2702 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  RSA336066  Downingia bella R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51983 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UC1531140  Downingia cuspidata Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 52005 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  CLARK-A1528-4886  Draba cuneifolia John C. Roos 1937-2-27 1297 Riverside San Timoteo Canyon Comment
  RSA778256  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 922 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  POM370050  Draba cuneifolia var. integrifolia W. M. Zabriskie 1973-2-16 113 Riverside Upper Pipistrelle Canyon, Deep Canyon drainage. N slope Santa Rosa Mrns. 762 Comment
  CAS-BOT-BC157797  Drymocallis lactea var. lactea H. M. Hall 1901-7-1 2355 Riverside In meadows and bogs of [Tauquitz] Tahquitz Valley 2499 Comment
  RSA650212  Dryopteris arguta Richard Phillips 1929-1-14 s.n. Riverside Collected in Cleveland Park [National Forest] 304 Comment
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Nov 9 2011
  SD9890  Dryopteris arguta F. Youngberg 1933-8-28 Riverside San Jacinto Mountains, Creek - Idyllwild Comment
  UCR251865  Dryopteris arguta M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR25369  Dryopteris arguta John C. Roos 1952-4-13 5519 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  SEINET9193809 Image available Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17945 Riverside 300m south of Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill 1360 Comment
  SD241802  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341a^z) of intersection of I-15 and Lake St. 526 Comment
  UCR208910  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Peninsular Range, Temecula Canyon Comment
  UCR252215  Dudleya lanceolata J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  RSA397828  Dudleya saxosa subsp. aloides N. R. Zabriskie, W. M. Zabriskie 1973-4-25 648 Riverside N slope Santa Rosa Mtns., Deep Canyon drainage. Lower portion of steep-walled canyon overlooking salamander oasis. 915 Comment
  UCR237696  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4738 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 600 Comment
  UCR251708  Dysphania pumilio T. B. Salvato 2014-4-9 7831 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  SEINET4604429 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker 2007-10-17 16623 .1 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain 1420 Comment
  UC1131531  Echinochloa crus-galli H. S. Yates 1937-6-28 6743 Riverside near Indio; Thermal Quad. Comment
  UCR7730  Echinochloa crus-galli Frank C. Vasek 1967-10-8 s.n. Riverside Riverside, residence of Dr. F.C. Vasek, Sandalwood Ct. 335 Comment
  UCR95726  Echinochloa crus-galli D. L. Banks, Lauren Raz 1996-8-29 1134 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  RSA596539  Echinochloa crus-galli D. L. Banks, Lauren Raz 1996-8-29 1134 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road;, along the E side of the road under the drip irrigation line to a vineyard. 399 Comment
  RSA444678  Eclipta prostrata J. C. Roos 1965-7-5 s.n. Riverside Thermal Airport. Comment
  GMDRC6548  Ehrendorferia chrysantha J. M. Andre 2012-6-15 30500 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 1172 Comment
  OBI71128  Ehrharta erecta Michael Curto, Linda Allen 1992-7-15 845 Riverside Riverside, Univ of Calif campus, Arboretum, near entrance Comment
  UCSB69895  Elatine californica Thorne, Robert 1973-5-23 Riverside Santa Rosa Plateau - Mesa de Colorado 609 Comment
  CAS-BOT-BC112919  Eleocharis macrostachya H. M. Hall; L. A. Greata 1905-4-1 5919 Riverside Colorado River bottoms. Comment
  SBBG119998  Eleocharis macrostachya A. C. Sanders, K. Volansky 2005-3-17 29234 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SEINET7586289 Image available Eleocharis macrostachya Steve Boyd, Dave Bramlet 1996-4-19 8612 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  JOTR00974  Eleocharis macrostachya Cole, James E. 1941-5-27 811 Riverside Joshua Tree National Park. BARKER DAM Comment
  UCR118160  Eleocharis montevidensis S. J. Myers, Chet McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  POM319701  Eleocharis montevidensis var. montevidensis Patricia Wilder 1979-10-30 4834 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. East of Chino Hills. Santa Ana River Drainage Area. 152 Comment
  RSA768246  Eleocharis palustris Justin M. Wood 2010-5-19 1844 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UCR120853  Eleocharis palustris D. E. Bramlet 2000-8-30 3070 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  UCR17656  Eleocharis rostellata A. C. Sanders 1975-6-17 0747 Riverside Santa Ana Riverbottom, just upstream from the Salt Lake Railroad bridge 213 Comment
  RSA0024925  Eleusine coracana subsp. africana R. E. Riefner Jr. 2013-10-29 13 -225 Riverside La Sierra, along La Sierra Ave. at Sierra Tree Street. 243 Comment
  UCR93237  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCR90379  Elymus condensatus D. L. Banks, Steve Boyd 1995-10-17 0779 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  JOTR33943  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2832 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA619571  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR192701  Elymus hispidus Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1692 Riverside San Jacinto Mountains, east of Fobes Ranch Road, just south of Fobes Ranch 1585 Comment
  UC724322  Emmenanthe penduliflora Aven and Ruth Nelson 1939-3-29 3321 Riverside Hidden Springs Comment
  UCR279507  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-27 43110 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR93028  Emmenanthe penduliflora G. P. Schultz 1994-4-8 61 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  RSA33587  Encelia actoni Norman C. Cooper 1944-5-21 1226 Riverside Hemet. 549 Comment
  UC1929885  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside SAN BERNANDINO MOUNTAINS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. (Whitewater) Comment
  UC1536837  Encelia californica G. H. True Jr. 1935-3-13 96 Riverside Box Springs 365 Comment
  CAS-BOT-BC131314  Encelia farinosa B. Pitzer 1997-3-23 2997 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  JOTR34377  Encelia farinosa Andre, Jim 2012-4-16 20897 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA701091  Encelia farinosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11255 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range., [Coordinates are off a little and map in Riverside Co.] 570 Comment
  RSA727085  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SBBG115962  Encelia farinosa D. W. Kyhos 1965-3-13 65 -111 Riverside ca. 6.2 mi W of jct of Hwy St 78 and US Hwy 60-70, near Blythe Comment
  SEINET2054751 Image available Encelia farinosa Helen Kennedy, T. B. Salvato 2002-2-2 5452 Riverside Western Colorado Desert: Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec 2. 195 Comment
  UC135052  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
Read comments
Feb 2 2013
  UC1923762  Encelia farinosa John L. Strother 2008-3-10 1368 Riverside ca. 18 km (11 mi) W of Chiriaco Summit, along N frontage of I-10 420 Comment
  RSA0048487  Encelia farinosa A. Lee Haines 1962-4-17 s.n. Riverside S. entrance to Joshua Tree National Monument, south of Cottonwood Springs. 563 Comment
  POM308648  Encelia farinosa var. farinosa Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3201 Riverside Near Desert Center. Comment
  SEINET3078303 Image available Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  CAS-BOT-BC81539  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  LA6774  Ephedra californica Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  RSA697719  Ephedra californica J. R. Bruff 1928-4-1 79 Riverside Whitewater Comment
  UCR38700  Ephedra californica J. M. Stewart 1985-4-28 8516 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  SBBG29377  Ephedra nevadensis D. Myrick 1968-3-4 1803 Riverside Desert Hot Springs 304 Comment
  CAS-BOT-BC81863  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  UCR138606  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1197 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  CAS-BOT-BC171740  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  POM200880  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-12 4299 Riverside Pinyon Well, Little San Bernardino Mts. 1220 Comment
  RSA588501  Epilobium canum subsp. latifolium H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon 541 Comment
  UCR145965  Epilobium canum subsp. latifolium June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR94929  Epilobium ciliatum Scott D. White 1996-8-15 4464 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  SD245418  Epilobium ciliatum subsp. ciliatum Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  POM48929  Epilobium ciliatum subsp. glandulosum P. A. Munz, I. M. Johnston 1924-7-27 8732 Riverside Deer Springs, San Jacinto Mountains 2500 Comment
  CLARK-A1528-3380  Epipactis gigantea John C. Roos 1948-4-24 3793 Riverside Whitewater 609 Comment
  RSA612920  Equisetum arvense L. C. Wheeler 1931-10-4 214 Riverside San Jacinto Mts. Strawberry valley 1554 Comment
  RSA761326  Equisetum laevigatum Shawn Krosnick, C. Martinez, N. Fraga, L. McDade 2010-8-14 684 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR68855  Equisetum laevigatum Steve Boyd, T. S. Ross 1990-5-11 4641 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  JEPS68602  Eremalche exilis W. L. Jepson 1927-4-11 11629 Riverside Whitewater n.w. Colorado Desert, Whitewater 457 Comment
  RSA27218  Eremalche exilis C. L. Hitchcock 1940-4-4 5960 Riverside Pinto Basin. Comment
  SBBG6284  Eremocarya micrantha T. L. Secrest 1948-4-7 Riverside 2 mi S of Desert Hot Springs 213 Comment
  RSA658704  Eremogone ferrisiae J. C. Roos 1965-7-22 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  SBBG60442  Eremothera boothii subsp. condensata R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  JOTR33990  Eremothera boothii subsp. desertorum La Doux, Tasha, M. Harding 2010-4-7 2878 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  JOTR35328  Eremothera boothii subsp. desertorum Harding, Mitzi, Mark Wheeler 2012-2-28 95 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  JOTR36440  Eremothera refracta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3412 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
  OBI66290  Eremothera refracta LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1409 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region: Corn Springs campground in the Chuckwalla Mts, Cyn SW of campground 480 Comment
  RSA0105463  Eriastrum densifolium subsp. austromontanum P. A. Munz, E. K. Balls 1952-8-21 17982 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  RSA0105508  Eriastrum densifolium subsp. densifolium N. C. Cooper 1949-6-29 4297 Riverside Palms to Pines Highway [SR 74] 1067 Comment
  RSA0105497  Eriastrum densifolium subsp. elongatum N. C. Cooper 1949-6-29 4304 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR98431  Eriastrum diffusum Theo Glenn 1991-5-8 91- 76 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UC1051493  Eriastrum diffusum subsp. coachellae Herbert L. Mason 1952-4-7 14214 Riverside Palm Springs Palm Canyon. Comment
  UC1094400  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along US Highway 99, 1/4 mi W of the junction with the road to Twenty-nine Palms. Comment
  UC971781  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  CAS-BOT-BC514464  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree Nat. Monument Comment
  UCR18321  Eriastrum filifolium Frank C. Vasek 1979-6-25 790625- 01 Riverside about 2 mi east of Sage on Chaffey Ranch Comment
  RSA0121580  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1960-6-9 4946 Riverside 14 miles west of Murrieta. Comment
  RSA0121586  Eriastrum sapphirinum subsp. dasyanthum Marcy Keys 1981-5-16 63 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  RSA702553  Ericameria brachylepis Scott D. White 2004-10-8 10774 Riverside Black Hills, southeast of Lake Skinner and north of Oak Mountain. 610 Comment
  RSA674530  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside North of Alvin Meadow near USFS Road 5S10 (Red Hill Rd) (Lk Fulmor/Blackburn Cyn. 1616 Comment
  POM301817  Ericameria linearifolia James E. Cole 1942-5-10 956 Riverside Joshua Tree National Monument. 1341 Comment
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Jul 4 2010
  JOTR32833  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UCR149939  Ericameria palmeri var. pachylepis Scott D. White, Brian Leatherman 2004-10-7 10771 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  JOTR34118  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  SFV13134  Ericameria parishii var. parishii M. J. Thor 1982-9-18 155 Riverside San Jacinto Mountains Idyllwild. Saunders Meadow Road, 0.25 miles from State Highway 243. 1524 Comment
  UCR94944  Ericameria parryi Scott D. White 1996-8-16 4488 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA552731  Ericameria pinifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 a Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  SD43532  Ericameria pinifolia Philip A. Munz 1946-10-19 11564 Riverside Coahuila 1095 Comment
  UC574882  Erigeron breweri var. covillei C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino, Key's View 1524 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
  RSA683094  Erigeron foliosus var. foliosus Scott D. White, Teresa B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8659 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
  CAS-BOT-BC189078  Eriodictyon crassifolium Ivan Johnston 1917-4-4 1072 Riverside Palm Canyon 228 Comment
  UCR281007  Eriodictyon crassifolium Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 25 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UCR270758  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8344 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 384 Comment
  CAS-BOT-BC222695  Eriodictyon trichocalyx J. Ewan 1930-4-17 2208 Riverside 2 miles north of Whitewater R.R. Station Comment
  CAS-BOT-BC248621  Eriogonum apiculatum Peter Kamb 1950-9-12 1930 Riverside West side of Mt. San Jacinto on ridge north of North Fork of San Jacinto River 2286 Comment
  CAS-BOT-BC248627  Eriogonum apiculatum Carl B. Wolf 1932-8-4 3913 Riverside San Jacinto Mts. Point View, near Idyllwild 1645 Comment
  SBBG36970  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Mtn 2286 Comment
  SDSU5921  Eriogonum apiculatum F. Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  UC6234  Eriogonum apiculatum H. M. Hall 1901-6 2364 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 2438 Comment
  RSA679191  Eriogonum apiculatum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1454 Riverside East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  GMDRC2045  Eriogonum davidsonii J. Andre 2006-4-26 6764 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA797605  Eriogonum davidsonii Robert F. Thorne, Walter Wisura 1977-9-17 50767 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  CAS-BOT-BC256121  Eriogonum deflexum var. deflexum N. Aitkenhead 1977-2-3 2194 Riverside Maniobra Valley N. of Orocopia Mtns. Comment
  CAS-BOT-BC256127  Eriogonum deflexum var. deflexum Annie M. Alexander; Louise Kellogg 1941-5-28 2264 Riverside 2 miles east of Shaver Summit, Colorado Desert Comment
  RSA424892A  Eriogonum elongatum Ann Grove 1971-10-8 12 ..13 Riverside Tenaja Ranger Station area, Rancho California, 7 miles northwest of Murietta. Comment
  RSA0063032  Eriogonum elongatum Andrew Haimov, April Sleigh 1992-5-10 89 Riverside West side of Davis Road, 1/2 mile south of Allessandro Road, San Jacinto Wildlife Area. Comment
  UCR114808  Eriogonum fasciculatum Mitch Provance 1998-2-6 21 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 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. 351 Comment
  CAS-BOT-BC249902  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  UCR22011  Eriogonum fasciculatum var. foliolosum Steve Boyd 1980-5-11 230 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CAS-BOT-BC250143  Eriogonum fasciculatum var. polifolium J. H. Thomas 1949-4-24 461 Riverside 2 miles east of Whitewater, between Banning and Indio Comment
  LA206788  Eriogonum fasciculatum var. polifolium Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  RSA393338  Eriogonum fasciculatum var. polifolium E. Crow 1929-2-24 182 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  RSA393349  Eriogonum fasciculatum var. polifolium Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  RSA775285  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4287 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  UCR150008  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC253496  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6602 Riverside Along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River, San Gorgonio Pass 541 Comment
  UCR132919  Eriogonum gracile John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR177631  Eriogonum gracile John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., near Reed Valley on powerline trail west of Juan Diego Flats, NW of Cahuilla Mountain 1067 Comment
  SD160873  Eriogonum gracile var. gracile Virginia Moran 2003-7-17 Riverside Peninsular Ranges;Perris-Aguanga Basin region:Wilson Valley Mitigation Bank,managed by Center for Natural Lands Mgnt.(Two sections that comprise mitigation bank.(S27&33, of Sage & Cahuilla 7.5 Quad).Accessed from Wilson Valley Rd. Comment
  RSA595920  Eriogonum gracile var. incultum D. L. Banks, Lauren Raz 1996-11-5 1179 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  UCR146123  Eriogonum gracile var. incultum Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-16 1456 Riverside Peninsular Ranges; San Jacinto Mountains, Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  POM11230  Eriogonum inflatum var. inflatum Roxana S. Ferris 1918-6-14 s.n. Riverside In Box Canyon Near Shavers Well, Mecca-Blythe Rd. Comment
  SBBG97159  Eriogonum inflatum var. inflatum W. L. Halvorson 1977-2-15 77 -23 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  CAS-BOT-BC270595  Eriogonum molestum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCSB18462  Eriogonum pusillum Keith, Sheldon 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  SBBG1613  Eriogonum reniforme H. and M. Dearing 1937-4-10 Riverside 16 mi N of Indio Comment
  SEINET3409354  Eriogonum reniforme G. Rink 2013-3-29 11917 Riverside About twelve miles west of Blythe, along the T-line for the proposed Quartzite solar power plant 115 Comment
  JOTR37476  Eriogonum saxatile Hodges, Stephen, T. Green 2016-5-5 597 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  CAS-BOT-BC263518  Eriogonum thomasii Frank W. Peirson 1926-1-31 6490 Riverside Abundant at Dos Palmas, Colorado Desert Comment
  POM128742  Eriogonum thomasii F. W. Peirson 1927-4-12 7171 Riverside Painted Canyon. Comment
  POM6837  Eriogonum thomasii P. A. Munz, L. T. Street, G. Williams 1919-3-27 2358 Riverside Near Salton Sea. Comment
Read comments
Nov 19 2011
  RSA395867  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  UCD101280  Eriogonum thomasii P. C. Everett; E. K. Balls 1958-4-29 22960 Riverside US Hwy. 60/70 Indio to Blythe, 5 miles east from jct. with US Hwy 99. 121 Comment
  UCR101593  Eriogonum thomasii Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR245954  Eriogonum thomasii Duncan S. Bell 2009-3-7 26 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  CAS-BOT-BC262874  Eriogonum thurberi Annie M. Alexander; Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  UC1618002  Eriogonum thurberi Donald G. Nelson 1936-5-22 384 Riverside on Pines-to Palms hwy at Ribbonwood Camp; San Jacinto Mts. Comment
  CAS-BOT-BC264925  Eriogonum wrightii var. membranaceum Lester Rowntree 1929-11-13 s.n. Riverside San Jacinto Mts. Comment
  HSC85328  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Gavilan Plateau, Gavilan Hills. south of Ida Leona Road 604 Comment
  JEPS56110  Eriogonum wrightii var. membranaceum Marjorie D. Clary 1932-8-21 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA735474  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. 1477 Comment
  CAS-BOT-BC261783  Eriogonum wrightii var. nodosum Frank W. Peirson 1922-12-27 3333 Riverside Andreas, between Forks, East slope San Jacinto Comment
  RSA615117  Eriogonum wrightii var. nodosum A. C. Sanders, P. Mackay 1994-10-23 15845 Riverside Whitewater River canyon, between the trout hatchery and Bonnie Bell. 780 Comment
  RSA679186  Eriogonum wrightii var. subscaposum Michael Denslow, M. W. Denslow Sr., Naomi Fraga 2003-7-16 1458 Riverside Santa Rosa Mountains, first peak west of Toro Peak. 2617 Comment
  CLARK-A1528-4626  Erioneuron pulchellum John C. Roos 1949-3-5 4088 Riverside Orocopia Mountains Comment
  CAS-BOT-BC298485  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs, Colorado Desert 150 Comment
  CAS-BOT-BC297343  Eriophyllum confertiflorum Cecil Hart 1922-5-21 s.n. Riverside San Jacinto Peak Comment
  POM357967  Eriophyllum confertiflorum Norman C. Cooper 1944-7-15 1600 Riverside Palms to Pines Hwy. 1220 Comment
  UCR116926  Eriophyllum confertiflorum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24219 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR142191  Eriophyllum confertiflorum June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR172239  Eriophyllum confertiflorum 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
  JEPS23547  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  LA205932  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1937-8-31 Riverside Santa Ana Mountains, Indian Truck Trail Comment
  UCR263231  Erodium botrys A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41459 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  JOTR33976  Erodium cicutarium La Doux, Tasha, M. Harding 2010-4-7 2864 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UC1922059  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR101101  Erodium macrophyllum Jack Easton 1998-4-16 s.n. Riverside Murrieta region, 'The Willows', a development c. 1 mi. SW of Skunk Hollow, Santa Gertrudis Creek drainage. 366 Comment
  UC1922687  Erodium moschatum Scott D. White, Angelia Carey 2004-4-5 10037 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  UCR14767  Eryngium aristulatum var. parishii A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 676 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado, intersection of Avocado Mesa Rd. & Los Gatos Rd. 623 Comment
  CAS-BOT-BC54331  Erysimum capitatum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild. Comment
  UCR132923  Erysimum capitatum John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCSB11776  Erysimum capitatum var. capitatum Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning on Banning-Idyllwild road, in San Bernardino National Forest, San Jacinto Mountains 1584 Comment
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  SD70884  Erythranthe guttata Helen V. Witham 1969-7-2 169 Riverside Edge of water, De Luz Creek Crossing, 4 mi. N. of De Luz 249 Comment
  CHSC35507  Erythranthe microphylla Jeanne Muro 1972-4-29 74 Riverside Ca. 5 mi. SW of Murrieta on Tenaja Rd. 655 Comment
  SEINET238556 Image available Erythranthe moschata George K. Helmkamp 1998-1 4129 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA0015894  Erythranthe parishii Scott D. White, Justin M. Wood 2008-7-8 12404 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  GMDRC7794  Eschscholzia androuxii J. M. Andre 2015-3-6 33562 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 561 Comment
  RSA433689  Eschscholzia californica N. C. Cooper 1944-4-22 1139 Riverside Banning. 762 Comment
  POM158460  Eschscholzia californica var. peninsularis P. A. Munz 1927-5-21 10869 Riverside Coahuila. Comment
  NY43343  Eschscholzia minutiflora C. R. Annable 1995-3-15 2282 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  RSA795736  Eschscholzia minutiflora Jim Andre 2012-3-18 21287 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  CDA24570  Eschscholzia parishii T. C. Fuller 1963-4-23 10272 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA445437  Eschscholzia parishii E. C. Jaeger 1920-4-20 s.n. Riverside Palm Springs. Comment
  SD244187  Eucalyptus A. C. Sanders, John F. Green 2013-3-27 40687 Riverside Peninsular Range: Alberhill, along Lake Street, near old clay mines, 1.16 km south of I-15 Fwy (Alberhill 7.5'Q) 388 Comment
  UCR111739  Eucalyptus camaldulensis S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR72429  Eucalyptus camaldulensis A. C. Sanders 1985-12-19 5958 Riverside Maze Stone Ranchos, c. 0.25 mi west of Warren Road on Three Springs Road, eastern foot of the Lakeview Mountains, c. 3 mi west of Hemet 518 Comment
  SBBG55788  Eulobus californicus D. Keil, M. McLeod 1977-3-26 12008 -1 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  LA204660  Euonymus occidentalis var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside N fork, San Jacinto River Comment
  UCR241542  Euphorbia micromera A. C. Sanders, Ann Howald 2013-2-27 40542 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  UCR281920  Euphorbia micromera A. C. Sanders, Jim Malusa 2017-9-21 43351 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  POM19838  Euphorbia palmeri Mary F. Spencer 1923-6-26 2244 Riverside San Jacinto Mtns. 1524 Comment
  UC869050  Euphorbia palmeri C. Epling and Wm. Robison 1935-6-30 Riverside North Fork San Jacinto River Comment
  CLARK-A1656-887  Euphorbia polycarpa Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  UCR166542  Euphorbia polycarpa Scott D. White, Jennifer H. Jones 2005-4-12 10874 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR167267  Euphorbia polycarpa 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
  UCR172248  Euphorbia polycarpa 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
  UCR234315  Euphorbia polycarpa A. C. Sanders, John F. Green 2012-3-20 39972 Riverside Peninsular Range; Gavilan Hills Area, eastern side of city of Lake Elsinore, off Hwy 74 near Crater Dr. 446 Comment
  UCR33700  Euphorbia polycarpa var. hirtella Sears 1978-3-18 947 Riverside Sonoran (Colorado) Desert, 10 mi. SW of Desert Center, 8 mi. south of Interstate Hwy 10 on Red Cloud Mine Road, following mining railroad 457 Comment
  UCR41267  Euphorbia prostrata A. C. Sanders 1982-6-12 2714 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  UCR157462  Euphorbia serpens A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23724 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden 351 Comment
  RSA559950  Euphorbia spathulata Steve Boyd, Orlando Mistretta 1992-4-23 7061 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  LA209843  Fagonia laevis Martha Hilend; 1932-3-25 sn Riverside Chuckawalla Mountains, about 3 mi. above Corn Springs Comment
  RSA801970  Fagonia laevis W. Marquart 1938-3-12 s.n. Riverside Mule Mtns south of Chuckwalla range. CD3. Comment
  SEINET936428  Fagonia laevis Helen K. Sharsmith 1952-1 4062 Riverside Northwest base of Chuckwalla Mountains 7 miles south of Highway 60-70. 533 Comment
  RSA792469  Fagonia pachyacantha Justin M. Wood, Dustin Ray 2011-4-28 3839 Riverside Sonoran Desert: Chuckwalla Valley: 4.2 miles southeast of Kaiser's Eagle Mountain Mine, west of Kaiser Road on T-line road where it crosses over small hill. 257 Comment
  UCR113941  Festuca arundinacea Mitch Provance 2000-6-24 2065 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR213574  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37816 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
  UCR114310  Festuca myuros Julie A. Greene 1993-4-17 1231 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  UCR213262  Festuca octoflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37453 B Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  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
  UCR279533  Festuca octoflora A. C. Sanders, Jim Malusa 2017-3-25 43014 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
  UCR174131  Filago arizonica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32611 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
  UCR48391  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  SEINET7073467  Filago californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR106886  Filago gallica A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20661 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  SD216506  Forestiera pubescens Jay B. Walker 1995-4-4 1310 Riverside San Bernardino National Forest; Santa Rosa Mountain truck trail, 4 kilometers south of highway 74 1600 Comment
  UCR26250  Fouquieria splendens John C. Roos 1937-4-28 1288 Riverside Sonoran (Colorado) Desert, 35 mi. west of Desert Center [near Cactus City] Comment
  RSA627504  Fragaria vesca Scott D. White 1998-7-31 6944 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  CAS-BOT-BC53339  Frangula californica subsp. cuspidata Carl B. Wolf 1932-8-6 3989 Riverside San Jacinto Mts. Strawberry Valley. Base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  POM50537  Frankenia grandifolia var. campestris S. B. Parish 1897-5-31 4396 Riverside Elsinore Lake Comment
  UCR275584  Frankenia salina T. B. Salvato 2005-6-13 605- 10 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR130707  Frasera parryi George K. Helmkamp, E. A. Helmkamp 1998-6-27 4071 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  CLARK-A1528-1039  Fraxinus dipetala C. M. Flanagan 1973-4-26 OO 310 Riverside Morongo Indian Reservation Comment
  UCR277104  Fraxinus dipetala T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3771 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 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
  UCR21312  Fremontodendron californicum W. W. Mayhew 1980-7-3 s.n. Riverside Santa Rosa Mtns, N slope of Santa Rosa Peak 1890 Comment
  RSA2592  Funastrum cynanchoides var. hartwegii J. T. Howell 1928-7-9 1065 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA70351  Funastrum cynanchoides var. hartwegii F. W. Peirson 1921-3-20 4119 Riverside Palm Canyon near Palm Springs Comment
  JOTR34040  Funastrum hirtellum La Doux, Tasha, M. Harding 2010-4-7 2923 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
  RSA0042920  Funastrum hirtellum Duncan S. Bell, Evan Meyer 2014-4-2 6495 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA475291  Funastrum hirtellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2099 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  UC1929611  Galium angustifolium Scott D. White 2003-3-21 8816 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  UCR154830  Galium angustifolium A. C. Sanders, Mike Misenhelter 2005-3-23 29277 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR231747  Galium angustifolium John F. Green 2008-4-23 08- 03 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR277475  Galium angustifolium Mitch Provance 2012-5-22 512- 01 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR47861  Galium angustifolium A. C. Sanders 1986-6-1 6533 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  POM367706  Galium angustifolium subsp. angustifolium M. M. Thompson 1947-6-9 C 2076 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA544390  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1991-6-14 6404 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
  UCR189558  Galium angustifolium subsp. jacinticum Amy Rowland 2007-6-22 089 Riverside Peninsular Range, San Jacinto Mounains, Cahuilla Mountain Trail, c. 0.5mi north of peak of Cahuilla Mountain 1669 Comment
  UCR107410  Galium aparine B. G. Pitzer 1997-3-23 2967 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  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
  RSA0022211  Galium aparine D. W. Stevens 1966-5-21 834 Riverside Thomas Mt. Camp. Comment
  UCR17531  Galium parishii Frank C. Vasek 1979-7-26 790726- 02 d Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA679075  Galium parishii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1442 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  POM367819  Galium stellatum M. B. Dunkle 1937-3-25 4928 Riverside Colorado Desert. Shaver's Well Comment
  UCR109782  Gamochaeta pensylvanica R. D. Goeden, Don W. Ricker 1972-5-20 s.n. Riverside Riverside, UCR Campus, outside insectary building near Entomology 341 Comment
  UCR88574  Gamochaeta stagnalis A. C. Sanders, J. C. Lyman 1995-4-16 16566 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UC774630  Garrya flavescens Carl B. Wolf 1939-1-20 Riverside e side Santa Ana Mts. (along Eagle Motor Way, 1 mi below summit) 914 Comment
  CAS-BOT-BC158071  Garrya veatchii S. B. Parish 1918-4-3 11696 Riverside Brush land at mouth of San Jacinto River Comment
  SD137745  Garrya veatchii Darin L. Banks, Steve Boyd 1995-1-18 42 Riverside Cleveland National Forest, north sloape of Agua Tibia Mountain, west of Wild Horse Peak, along the Dripping Springs Trail. 963 Comment
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Mar 2 2013
  UC21617  Garrya veatchii H. M. Hall Aug 1901 2645 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  UCR10169  Gayophytum diffusum subsp. parviflorum R. Kniffen 1969-9-28 s.n. Riverside Santa Rosa Mtns, Toro Peak 2652 Comment
  UCR151422  Gazania linearis D. L. Banks, V. W. Steinmann 1997-3-13 1431 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
  CAS-BOT-BC303572  Geraea canescens David D. Dunn 1946-2-23 1962 Riverside All American Canal catch basin from desert washes. Orascopia Mts NE of the Salton Sea Comment
  POM358678  Geraea canescens Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA516907  Geraea canescens Steve Boyd, Orlando Mistretta 1986-3-13 1441 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC1922402  Geraea canescens Naomi Fraga, Lisa Rojas 2005-2-10 1405 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UCD132593  Geraea canescens R. W. Scora 1966-4-1 3003 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
  SEINET10726154  Geraea canescens David B. Dunn 1948-3-14 Dunn 3765 Riverside Found 5 miles west of Thousand Palms. Comment
  UCR136265  Geranium carolinianum A. C. Sanders 2004-4-20 27569 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
  SEINET156054  Gilia achilleifolia Norman C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon. 1220 Comment
  RSA470126  Gilia angelensis N. C. Cooper 1944-4-23 1100 Riverside Banning 701 Comment
  RSA550024  Gilia angelensis W. Wisura, A. King, Lydia Newcomb 1992-4-10 4673 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA659510  Gilia angelensis J. C. Roos, L. Roos 1954-4-17 6069 Riverside Pass at summit of Reche Canyon. 732 Comment
  UC217962  Gilia angelensis P. A. Munz and I. M. Johnston 1922-5-19 5350 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR131536  Gilia angelensis Jennie Phui 1998-5-30 025 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  UCR165396  Gilia angelensis A. C. Sanders 2005-4-21 29577 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCSB69522  Gilia angelensis White, Scott 2005-3-29 Riverside San Gorgonio Pass: Cabazon; west of San Gorgonio river and south of I-10 Freeway; west of existing gravel quarry, likely to be proposed for quarry expansion 590 Comment
  UCR158711  Gilia capitata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30006 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
  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
  RSA771695  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4691 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  UC1595590  Gilia capitata subsp. abrotanifolia Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4530 Riverside rolling terrain at jtn of hwy R3 and Powerline Rd ne lake (Vail Lake area); Vail Lake area Comment
  POM97005  Gilia capitata subsp. abrotanifolia P. A. Munz 1926-5-2 10425 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  RSA777651  Gilia latifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 773 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR118399  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14576 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA0017087  Gilia ochroleuca subsp. exilis Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4446 Riverside Vail Lake area, benches along Kolb Crk., W of Dripping Springs, N of Hwy 79. 487 Comment
  JOTR32970  Gilia stellata La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2721 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UC716291  Gilia stellata Roxana S. Ferris 1939-3-29 9709 Riverside between Hayfields Reservoir and Desert Center (Indio-Bythe Highway); btw Hayfields Reservoir and Desert Center Comment
  UCR269837  Gilia stellata A. C. Sanders, Jim Malusa 2016-3-18 42381 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SEINET260219 Image available Glyceria elata M. Curto, L. Allen 1992-6-15 826 Riverside San Bernardino National Forest ; San Jacinto Mts NW of Pine Cove SBNF Rd 5S09 @ Stone Cr 1370 Comment
  RSA482016  Glyceria striata Richard Noyes, L. Arnseth 1988-9-10 727 Riverside San Jacinto Mountains. Northeast section of Little Tahquitz Valley, 2 air miles northeast of Tahquitz Peak. 2378 Comment
  CLARK-A1656-742  Gnaphalium bicolor Theo Glenn 1979-2-17 Riverside San Jacinto Mountains Comment
  UCR166169  Gnaphalium canescens John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR138599  Gnaphalium canescens subsp. beneolens D. L. Banks 1996-11-7 1211 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  UCR167825  Gnaphalium palustre T. B. Salvato, Melissa Clemons 2005-6-2 1399 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR85639  Gnaphalium palustre A. C. Sanders 1993-4-5 13688 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
  RSA629020  Gnaphalium stramineum Scott D. White 1998-6-28 6797 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  SEINET10728243  Gutierrezia David B. Dunn 1947-10-9 Dunn 3524 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  CLARK-A1528-1862  Gutierrezia bracteata John C. Roos 1965-9-26 Riverside Palm Springs Station Comment
  CAS-BOT-BC183663  Gutierrezia californica A. C. Sanders 2004-5-11 27845 Riverside Elsinore Basin Region: Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UC55182  Gutierrezia sarothrae H. M. Hall 1902-4-1 2968 Riverside vicinity Riverside 304 Comment
  UCR63946  Harpagonella palmeri D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1785 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR90410  Harpagonella palmeri D. L. Banks, Steve Boyd 1995-5-9 0316 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 732 Comment
  UCR90760  Harpagonella palmeri D. E. Bramlet 1995-4-25 2394 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park, within and beside the Equestrian Trail, south of the Tucalota Hills and approximately 702 m SE of the park entrance road and 610 m north of East Benton Road, just SW of knoll 1800 ft 524 Comment
  UCR281217  Harpagonella palmeri var. palmeri Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 44 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 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
  SEINET5553825  Hazardia squarrosa var. squarrosa H. S. Gentry 1972-1 23033 Riverside Gentry Ranch, 3.5 miles northeast of Murrieta. 426 Comment
  POM320308  Helianthemum scoparium var. scoparium Worthman 1968-5-16 156 Riverside 6.7 mi. west of Murietta. 244 Comment
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Jun 16 2013
  RSA525439  Helianthemum scoparium var. scoparium Steve Boyd, Dave Bramlet, Bob Boyd 1990-4-29 4484 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA651097  Helianthus annuus W. H. Grady 1948-2-24 s.n. Riverside Found 7 mi. west of Riverside. 243 Comment
  RSA502492  Helianthus annuus subsp. lenticularis Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3733 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  UCR274542  Helianthus annuus subsp. lenticularis Mitch Provance, Ken Halama 2003-6-15 17063 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA754131  Helianthus californicus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 18 Riverside Idyllwild: In a dry creek bed. Comment
  HSC93116  Helianthus gracilentus Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  SDSU4540  Helianthus gracilentus H. Wedberg 1962-5-23 947 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  RSA105846  Helianthus niveus subsp. canescens Richard Mallory 1955-4-6 477 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  RSA180421  Heliotropium curassavicum var. oculatum E. W. Lathrop 1959-9-11 4650 b Riverside 14 miles W of Murrieta Comment
  SD136878  Heliotropium curassavicum var. oculatum Steve Boyd, Darin Banks 1994-9-29 8374 Riverside Lake Elsinore, floodplain east of dike along San Jacinto River west of Sedco Hills community. 380 Comment
  RSA653072  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 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
  RSA564049  Hemizonia kelloggii A. C. Sanders 1993-5-17 14063 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 457 Comment
  UCR256779  Hemizonia kelloggii T. B. Salvato, Matthew Malle 2013-5-20 7578 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  RSA715053  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
  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
  UCR134656  Hemizonia paniculata Mitch Provance 1998-4-10 413 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  RSA532585  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, in an open ditch just east of Gateway farms. The site is just south of Newport Rd, at the Newport and Lucas Rd interesection. 517 Comment
  RSA617986  Hemizonia pungens subsp. laevis R. E. Riefner 1998-10-15 98 -518 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  UCR189809  Hemizonia pungens subsp. laevis Diane Menuz 2006-5-9 070 Riverside Peninsular Range; Perris Basin, San Jacinto Wildlife Area, across the street from the information booth, north of Lakeview and east of Davis Rd. 434 Comment
  UCR213883  Hemizonia pungens subsp. laevis Scott D. White 2009-8-10 13351 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, from Rancho California Road to Cherry Street 313 Comment
  UCR92288  Hemizonia pungens subsp. laevis Scott D. White, M. A. Patten 1995-8-16 3550 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  SEINET4118150  Hesperocnide tenella J. Mygatt, M. Mygatt; A. Munson 1996-1 M- 96 -91 Riverside Box Spring Mountain Park; end of Two Trees Road, not far from the trail head. Comment
  UCR155166  Hesperocnide tenella A. C. Sanders 2005-5-4 29851 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR228929  Hesperocnide tenella A. C. Sanders 2011-4-6 39024 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between freeway and SCE substation, SE of Glen Ivy Hot Springs 329 Comment
  RSA436248  Heterocodon rariflorum M. B. Dunkle 1933-7-21 3726 Riverside Idyllwild 1616 Comment
  SD136868  Heterocodon rariflorum Steve Boyd, Tim Ross & Dave Bramlet 1993-5-13 7380 B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Wildhorse Canyon. 409 Comment
  CAS-BOT-BC310923  Heterotheca villosa J. C. Roos 1965-9-16 s.n. Riverside On State St. near Florida St., Hemet Comment
  UCR44458  Heuchera hirsutissima A. C. Sanders 1986-6-1 6543 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA0066124  Heuchera hirsutissima L. B. Ziegler 1969-7-1 s.n. Riverside North face of San Jacinto Mts. 2346 Comment
  CAS-BOT-BC203350  Hibiscus denudatus Edmund C. Jaeger 1922-4-12 s.n. Riverside Martinez Canon [Canyon], Colorado Desert 304 Comment
  RSA444305  Hibiscus denudatus W. W. 1988-4-2 4217 Riverside Frontage Rd. off I 10, near pumping station in Pinkham Wash area. Comment
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Jul 24 2013
  UCR251642  Hibiscus denudatus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 799 Riverside Sonoran (Colorado) Desert, Mecca Hills, just south of Shaver's Well 305 Comment
  RSA0040034  Hilaria rigida W. Marquart 1938-3-12 s.n. Riverside Mule mts. south of Chuckwalla range. Comment
  SD71776  Hirschfeldia incana Helen V. Witham 1969-7-2 184 Riverside DeLuz Creek crossing, 4 miles north of DeLuz (mak 6/06) 249 Comment
  SEINET6654966  Hoffmannseggia densiflora Sears 1977-10-12 S 583 Riverside 20 miles East of Desert Center, 10 miles East of Corn Springs exit.; 0 134 Comment
  CAS-BOT-BC207505  Hoffmannseggia glauca Lillian S. Mott 1965-6-12 LM 657 Riverside Along highway 60-70, near Blythe Comment
  CAS-BOT-BC207510  Hoffmannseggia glauca Carl B. Wolf 1932-4-28 3069 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road. 121 Comment
  UCR89862  Hoffmannseggia glauca J. M. Stewart 1990-9-23 654 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  CAS-BOT-BC207573  Hoffmannseggia microphylla Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9564 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  SBBG119035  Hoffmannseggia microphylla S. J. DeGroot, T. Thibault, V. Arvizu, L. Gross, L. Rojas 2004-5-14 4335 Riverside N of the Chocolate Mtns, just N of the Bradshaw Trail, S of Orocopia Mtns 168 Comment
  UCD105856  Hoffmannseggia microphylla Geoffrey Levin 1975-4-5 465 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernardino Mountains. Salton Sink Drainage area. 60 Comment
  NY1116474  Hordeum D. K. Christopher 2003-4-6 105 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  SEINET10789442  Hordeum Robert F. Thorne 1973-5-23 Thorne 43873 Riverside Santa Rosa Plateau. Mesa de Colorado. 610 Comment
  RSA179498  Hordeum brachyantherum subsp. californicum E. W. Lathrop 1959-5-17 4546 Riverside 14 miles west of Murrieta. Comment
  RSA608534  Hordeum intercedens D. E. Bramlet 1996-5-4 2465 Riverside San Jacinto Wildlife Area. The site is at the entrance to Marsh A, approx. 15m from the southern levee of Pond No. 1. This locality is approx. 1.5 km northesat of the reserve entrance at Davis Road. 433 Comment
  RSA609949  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and183m north of the San Jacinto River. This locality was some 46m south of the existing access road., 11S X 04 88 978mE X 37 45 950mN 432 Comment
  CAS-BOT-BC148565  Horkelia clevelandii Edmund C. Jaeger 1922-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2407 Comment
  UC729824  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside 1 1/2 mi Idyllwild (on road to banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR201424  Horkelia clevelandii Scott D. White, Justin M. Wood 2008-6-17 12155 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  POM230988  Horsfordia alata Marjorie D. Clary 1932-3-15 173 Riverside Canyons southwest of Coral Reef Ranch, Coachella at base of Santa Rosa Mountains. 152 Comment
  RSA679986  Hulsea vestita subsp. callicarpha LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1118 Riverside Black Moutain Road (4501), southeast of Black Mountain & northwest of Fuller Mill Creek. 2012 Comment
  UC1483322  Hulsea vestita subsp. callicarpha C. W. Tilforth and W. Wisura 1979-10-11 1922 Riverside 10.4 mi from n junction with Highway 74. s of Lake Hemet; Thomas Mtn. Road Comment
  POM182076  Hymenoclea salsola var. pentalepis P. A. Munz 1932-3-14 11972 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  CHSC99604  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 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
  RSA314159  Hymenopappus filifolius var. lugens Walter Wisura 1983-6-25 3914 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  CAS-BOT-BC219741  Hyptis emoryi Roxana S. Ferris 1918-6-14 981 Riverside In Box Canon [Canyon], Chocolate Mts near Shaver's [Shavers] Well, Mecca-Blythe Road Comment
  CAS-BOT-BC219747  Hyptis emoryi Geo. B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs Comment
  CAS-BOT-BC219768  Hyptis emoryi R. Freeman 1977-3-9 2172 Riverside S-O & Q-O South side of Chuckwalla Mnts. Comment
  HSC14207  Hyptis emoryi J. J. Wagoner 1965-4-13 35 Riverside E slope of San Jacinto along Palms to Pines Hwy., 7 mi. W of Palm Desert 213 Comment
  RSA420174  Hyptis emoryi M. B. Dunkle 1932-3-25 2907 Riverside Palm Springs. Comment
  UC577724  Hyptis emoryi H. S. Yates 1936-4-6 5412 Riverside Palm Springs; San Jacinto Quad., Palm Springs Comment
  UCR97240  Isocoma menziesii var. vernonioides Scott D. White 1997-2-9 4682 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  RSA234045  Isoetes howellii R. F. Thorne, E. Lathrop 1969-5-19 37974 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  SEINET3863798 Image available Isoetes howellii Robert F. Thorne, Earl Lathrop 1975-5-20 45542 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro.; 0 610 Comment
  UCR213858  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  UCR93816  Juglans regia P. J. MacKay 1996-6-15 012 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  POM123049  Juncus acutus subsp. leopoldii Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  RSA776931  Juncus acutus subsp. leopoldii Amber Swanson, Duncan S. Bell 2011-3-11 214 Riverside On Willis Trail, Willis Palm Oasis near spring off Thousand Palms Rd in the Coachella Valley Preserve. 104 Comment
  RSA713786  Juncus bufonius A. C. Sanders, Kelly Volansky 2005-3-17 29224 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  RSA786557  Juncus bufonius D. M. McF 1954-5-28 s.n. Riverside Jct Hwy 395 and Newport Road. Comment
  UCR199637  Juncus bufonius Scott D. White, Justin M. Wood 2008-4-3 11803 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UC1922192  Juncus duranii Naomi Fraga, et al. 2006-7-11 1723 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR151038  Juncus effusus subsp. austrocalifornicus Scott D. White 1998-7-31 6957 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  RSA368082  Juncus oxymeris Robert L. Rutherford 1944-7-16 1612 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  SEINET1908650  Juncus patens A. C. Sanders, MitMitch Provance 2008-1 35778 Riverside Peninsular Range; San Jacinto Mtns.: FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  SEINET10755901  Juncus rugulosus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12832 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  UCR24955  Juncus rugulosus A. C. Sanders 1980-7-22 1711 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  CLARK-A1528-19  Juncus xiphioides C. M. Flanagan 1973-6-13 OO 711 Riverside Morongo Indian Reservation 1127 Comment
  RSA33651  Juniperus californica N. C. Cooper 1944-5-20 1306 Riverside Pine Flats, Palms to Pines Hwy. 1220 Comment
  CAS-BOT-BC234603  Justicia californica Reid Moran 1941-5-5 855 Riverside Cottonwood Pass, Eagle Mts. Comment
  RSA398812  Justicia californica I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  RSA402297  Justicia californica Ora M. Clark 1929-2-22 1574 Riverside Sandy desert valleys. So. of Palm Springs. Colorado Desert. Comment
  OBI42564  Keckiella antirrhinoides A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6474 Riverside San Jacinto Mts, lower Bee Cyn, 0.2 mi above the mouth of the cyn 610 Comment
  SEINET3930995  Keckiella antirrhinoides David Keil 1983-4-15 16899 Riverside East of Temecula on SR79.; 0 Comment
  CAS-BOT-BC236709  Keckiella antirrhinoides subsp. antirrhinoides H. M. Hall 1901-6-1 2016 Riverside Canyon of the San Jacinto River, San Jacinto Mountains 762 Comment
  POM11402  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-9-6 6400 Riverside Round Valley. 2744 Comment
  VVC2010  Koeberlinia spinosa var. tenuispina Corey Mitchell 2010-4-19 s.n. Riverside Colorado Desert, 6.5 miles north of Desert Center 201 Comment
  UCD86077  Koeleria macrantha F. M. Reed 1906-6-16 1073 Riverside Vicinity of Riverside, City Creek Grate. 1463 Comment
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May 1 2011
  JOTR30063  Krameria erecta La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1694 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour rd., N of Malapai Hill 1286 Comment
  RSA608171  Krameria erecta Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10056 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  CAS-BOT-BC183274  Krameria grayi James R. Shevock 1986-3-23 11356 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA506754  Krameria grayi D. F. Howe 1980-4-15 s.n. Riverside 5 miles W of Mesa Verde, South slope o McCoy Mtns, Hwy 10. Comment
  UCR41369  Krameria grayi N. M. Fellows, A. C. Sanders 1985-5-7 167 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UCR35328  Lamium amplexicaule L. B. Ziegler 1971-5-1 421 Riverside San Jacinto Valley, San Jacinto 473 Comment
  UCR50574  Langloisia schottii B. G. Pitzer 1988-3-10 0641 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  CLARK-A1528-4432  Larrea tridentata John C. Roos 1942-5-1 Riverside Comment
  LA209862  Larrea tridentata Charles Bogert; 1932-4-17 4013 Riverside 7 mi NW of Indian Wells Comment
  RSA652037  Larrea tridentata Peter Gail 1961-5-13 s.n. Riverside Along Palms to Pines Highway, 2 miles north of junction. Comment
  RSA681035  Larrea tridentata Scott D. White, Michael Honer 2003-5-14 9269 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG67805  Larrea tridentata M. N. Ackley -Feb-1926 1146 Riverside Mecca -60 Comment
  UC571107  Larrea tridentata Margaret Stason 1927-3-12 Riverside Painted Canyon; Colorado Desert Comment
  UCR163926  Larrea tridentata A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29134 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  VVC520  Larrea tridentata P. J. MacKay 1975-4-26 s.n. Riverside Peninsular Range, Palm to Pines Hwy, Hwy 74 970 Comment
  CAS-BOT-BC412765  Lastarriaea coriacea Steve Boyd 1986-4-19 1697 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  SEINET7073482  Lastarriaea coriacea A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: WGS84/NAD83. (33? deg. 32' 2" North Latitude; -117? deg. 9' 9" West Longitude. UTM Zone 11, 485829mN, 3710290mN. Coordinate datum: NAD27). Comment
  UC63214  Lasthenia coronaria H. M. Hall 1903-4-1 3832 Riverside vicinity of Riverside 365 Comment
  UCD133647  Lasthenia coronaria Geoffrey Levin 1975-4-26 477 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  UCR103910  Lasthenia coronaria B. G. Pitzer 1997-4-11 3120 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  CAS-BOT-BC328104  Lasthenia glabrata subsp. coulteri D. Bramlet 1995-5-5 2407 Riverside 7.5 km W of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs). 435 Comment
  UCR18611  Lasthenia glabrata subsp. coulteri O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  POM305810  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1049 Riverside Corona-Elsinore. Comment
  RSA563905  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  RSA691973  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-2 8909 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR101335  Lasthenia gracilis A. C. Sanders 1997-3-19 20051 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 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
  RSA0027939  Lathyrus John F. Emmel 1992-6-10 1224 Riverside San Jacinto Mts: Fobes Trail. 1707 Comment
  RSA612488  Lathyrus vestitus subsp. alefeldii D. L. Banks 1997-2-23 1329 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
  SD237493  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, along Temescal Canyon Road between Glen Ivy and Indian Truck Trail, near El Hermano Road (Lake Matthews 7.5'Q) 312 Comment
  UC62896  Layia glandulosa H. M. Hall May 17 1901-Jun 1 1901 1816 Riverside San Jacinto River Canyon Comment
  UC62897  Layia glandulosa H. M. Hall 1897-4-5 Riverside Winchester Comment
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Mar 20 2011
  UCR165607  Layia glandulosa T. B. Salvato, John F. Green 2004-5-27 705 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  SBBG52764  Layia platyglossa N. C. Cooper 1944-4-22 1160 Riverside Banning 731 Comment
  UC62889  Layia platyglossa H. M. Hall 1902-4-26 2988 Riverside vicinity Riverside 426 Comment
  UCR250572  Layia platyglossa A. C. Sanders 2014-4-18 41035 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  POM4845  Layia platyglossa subsp. campestris H. M. Hall 1902-4-22 2951 Riverside Vicinity of Riverside County. 305 Comment
  RSA180322  Layia platyglossa subsp. campestris E. W. Lathrop 1960-4-8 4746 Riverside 14 miles W of Murrieta. Comment
  RSA741206  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11961 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  UCR249064  Lemna gibba Scott D. White, Michelle Balk 2006-6-13 11511 Riverside Perris Basin, north Hemet area, west side of Warren Road, just north of intersection with Esplanade, between San Diego Canal and Warren Road 457 Comment
  UCR266822  Lemna minor D. E. Bramlet 2005-7-13 3897 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  RSA776509  Lepidium fremontii Amber Swanson, Duncan S. Bell 2011-3-20 248 Riverside Canyon Springs area N of the Bradshaw Trail. 340 Comment
  SBBG100414  Lepidium fremontii W. L. Halvorson 1977-3-8 77 -74 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SD145979  Lepidium fremontii B. Pitzer, Tracy Tennant 1998-2-21 3541 Riverside Colorado Desert: north-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 412 Comment
  SD28016  Lepidium fremontii Carl B. Wolf 1932-4-27 3043 Riverside Colorado Desert: Mecca-Blythe Road. 0.75 mile west of Utopia 149 Comment
  SEINET3148894  Lepidium fremontii L. S. Rose 1940-3-11 40104 Riverside 23 mi. W of Desert Center 366 Comment
  JOTR37718  Lepidium fremontii var. fremontii Hodges, Stephen R., T. Hender 2016-1-13 649 Riverside Joshua Tree National Park. Southern Pinto Basin between Eagle Mountains and the Coxcomb Mountains. Vicinity of Pinto Wells. 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
  UCR104029  Lepidium lasiocarpum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2714 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR30098  Lepidium lasiocarpum George K. Helmkamp 1983-4-5 483 8 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  JOTR35320  Lepidium lasiocarpum var. lasiocarpum Harding, Mitzi, Mark Wheeler 2012-2-28 88 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  UCR281215  Lepidium latipes Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 21 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  POM184173  Lepidium nitidum P. A. Munz 1932-3-24 12014 Riverside Corona 366 Comment
  UCR153634  Lepidium virginicum var. pubescens Scott D. White 1999-5-24 7386 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  RSA575819  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 609 Comment
  RSA613126  Lepidium virginicum var. robinsonii D. L. Banks 1997-3-6 1396 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  UCR281258  Lepidium virginicum var. robinsonii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 62 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UCR97755  Lepidium virginicum var. robinsonii A. C. Sanders 1997-3-1 19715 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  CAS-BOT-BC339177  Lepidospartum C. B. Wolf 1931-10-14 2462 -A Riverside At Cabezon, San Gorgonio Pass 518 Comment
  CAS-BOT-BC328099  Lepidospartum squamatum J. Beley 1974-2-20 0057 Riverside Magnolia Rd., 0.5 mi S of Cabazon Comment
  RSA545232  Lepidospartum squamatum R. F. Thorne 1970-10 41882 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCR119807  Leptochloa uninervia A. C. Sanders, Mitch Provance 1999-9-26 23094 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  SEINET4854776  Leptodactylon californicum subsp. tomentosum C. Leo Hitchcock 1940-4-12 6041 Riverside 8 mi NW of Elsinore. 457 Comment
  CAS-BOT-BC227052  Leptosiphon floribundus subsp. glaber Edmund C. Jaeger 1919-5-10 s.n. Riverside Rockhouse Canon [Canyon], southern Riverside Co. 457 Comment
  POM157941  Leptosiphon lemmonii P. A. Munz 1927-5-21 10829 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  UC217892  Lesquerella tenella P. A. Munz and D. Keck 1922-4-9 4815 Riverside Hayfields; Chuckawalla Valley Hayfields; Colorado Desert, Chuckawalla Valley, Hayfields 152 Comment
  RSA761687  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 703 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC451629  Lilaea scilloides Philip A. Munz 1941-5-18 16663 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  HSC78994  Lilium parryi K. Berg 1980-7-29 244 Riverside San Jacinto Mtns., James Reserve, Hall Canyon, along Indian Creek 1646 Comment
  UC454443  Lilium parryi I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  UCR40359  Limnanthes gracilis subsp. parishii Tom Griggs, E. W. Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, Mesa de Colorado, on The Nature Conservancy Preserve, 4 mi. west of Murrieta Comment
  SD241915  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Road, north end of Bucking Bay Drive (Alberhill 7.5'Q) 433 Comment
  RSA618424  Limonium perezii D. L. Banks 1997-5-5 1951 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. Approximately 50 m east of the intersection between Vail Ranch Parkway., Redhawk Parkway and Nighthawk Pass. 378 Comment
  RSA705181  Linanthus bigelovii J. Mark Porter, Sarah J. De Groot 2005-3-9 14258 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  CHSC26491  Linanthus californicus Richard Fellows 1970-5-7 22 Riverside Ca. 5 mi. W. of Corona, .5 mi. N. of Prado Dam off Hwy. 71. 304 Comment
  UC23557  Linanthus floribundus subsp. glaber Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  CAS-BOT-BC226874  Linanthus jaegeri H. M. Hall 1901-6-1 2323 Riverside Tauquitz [Tahquitz] Peak, San Jacinto Mt. 2621 Comment
  RSA369630  Linanthus jonesii R. F. Thorne, M. Z. Thorne 1973-3-30 42680 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  CLARK-A1528-5713  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  RSA763404  Linanthus parviflorus Scott D. White, Angelia Carey 2004-4-5 9988 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR137500  Linaria canadensis D. L. Banks, V. W. Steinmann 1997-3-13 1525 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR103742  Linaria canadensis var. texana O. F. Clarke 1997-3-4 s.n. Riverside Riverside, Vacant lot at back of St. George's Episcopal Church, at corner of Spruce Street and Watkins Drive 305 Comment
  UCR207521  Linum grandiflorum O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA0030797  Lithophragma affine subsp. mixtum N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  UCR87144  Loeflingia squarrosa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16141 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  JOTR35278  Loeseliastrum matthewsii Andre, Jim 2012-4-16 20977 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA77059  Loeseliastrum schottii F. W. Peirson 1914-04 953 Riverside Whitewater at head of Coachella Valley. Comment
  UC909105  Loeseliastrum schottii Herbert L. Mason 1928-3-11 4254 Riverside Palm Springs Comment
  UCR60247  Loeseliastrum schottii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3650 Riverside Butterfield Valley, Vail Lake area, Temecula Creek, SE of the lake, just north of Hwy 79 488 Comment
  RSA0121170  Logfia arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9180 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  UCR225141  Logfia arizonica Dave Silverman, Onkar Singh 2010-3-25 7843 Riverside Sonoran (Colorado) Desert, NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10 151 Comment
  UC1022808  Logfia depressa Philip A. Munz 1940-3-23 15688 Riverside n end Pinto Basin; Southern California, Mohave Desert 609 Comment
  UC32051  Logfia depressa W. G. Wright 1889-1 Riverside Colorado Desert Comment
  CAS-BOT-BC342262  Logfia filaginoides Edmund C. Jaeger 1932-5-12 s.n. Riverside Aguanga 600 Comment
  RSA757631  Logfia filaginoides LeRoy Gross, Jacqueline McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4323 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
  SBBG104028  Logfia filaginoides B. Pitzer, S. Hemstreet 1992-5-21 1946 Riverside St Hwy 74, 1 mi uphill from the 2000 ft marker, and to the left ca. 0.1 mi on old paved rd Comment
  UCR265814  Logfia filaginoides Mitch Provance 2012-5-24 512- 04 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  UCR243127  Logfia gallica Kate Kramer 2012-5-8 258 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  RSA574729  Lomatium vaginatum Steve Boyd 1981-4-10 s.n. Riverside Gavilian Hills region, Gavalian Plateau east of Estelle Mountain along Estelle Mountain Road. 671 Comment
  UCR133456  Lonicera interrupta Tracy Tennant, J. S. Ross 1998-7-30 MOR- 675 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  SD255699  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 Riverside San Jacinto Mountains: San Jacinto River Canyon, along South Fork Trail, halfway between Highway 74 and the bottom of the canyon. 1110 Comment
  CAS-BOT-BC198539  Lotus L. R. Abrams 1926-3-26 11100 Riverside Between Edom and Garnet east of San Goronio Pass. Comment
  POM13999  Lotus argophyllus var. argophyllus E. C. Jaeger s.n. Riverside Santa Rosa Mountains, Colorado Desert Comment
  UCSC000919  Lotus crassifolius Peter Kamb 1947-6-7 572 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  RSA525243  Lotus hamatus Steve Boyd, T. S. Ross 1990-5-11 4620 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA557900  Lotus hamatus Steve Boyd, Orlando Mistretta 1992-4-22 7015 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  SEINET7073312  Lotus hamatus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR121677  Lotus hamatus Ian G. Gillespie, Abby Sirulnik 2000-5-7 35 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR151061  Lotus hamatus Scott D. White 1998-6-17 6751 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  UCR171728  Lotus hamatus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR90277  Lotus hamatus Scott D. White 1995-7-7 3441 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR141333  Lotus heermannii var. heermannii R. F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38113 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  UCR91381  Lotus humistratus Scott D. White, M. Jacobsmeyer 1996-4-20 3944 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  JEPS29294  Lotus rigidus Rimo Bacigalupi, and L. Heckard, P. C. Hutchison 1962-3-23 8365 Riverside 1.5 mi above and s Seven Level Hill (and above Deep Canyon, at base of Black Hill, along State Highway 74, 10.3 mi above and s of beginning of Highway 74 at Palm Desert); Palm Desert, Black Hill 883 Comment
  JEPS55819  Lotus rigidus W. L. Jepson 1914-5-17 5984 Riverside n of Indio; Colorado Desert, Lookout Mt. 914 Comment
  SEINET3563106 Image available Lotus rigidus Leila M. Shultz, John S. Shultz 1985-4-18 8331 Riverside Chuckawalla Mountains, 1 mile west of Astec Well, 11.7 miles south of I-15 616 Comment
  UC310841  Lotus salsuginosus Philip A. Munz 1925-5-20 9831 Riverside 2 mi w Dripping Spring 426 Comment
  CSUSB1258  Lotus scoparius Leland E. Francois 1966-3-27 32766 2 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 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
  RSA660306  Lotus scoparius Joan Del Pino 1981-5-9 12 Riverside Hwy 74, 5.2 mils from Lake Shore Dr. Comment
  UCR187500  Lotus scoparius subsp. brevialatus Theresa Johnson 2006-5-11 098 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  RSA6122  Lotus scoparius var. brevialatus C. B. Wolf 1932-5-25 3692 Riverside 1/4 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 671 Comment
  CLARK-A1528-1165  Lotus strigosus Cameron Duncan 1966-3-27 Riverside Riverside 914 Comment
  POM10367  Lotus strigosus Charlotte M. Wilder 1903-3-29 64 Riverside Wilder's Canyon. Comment
  RSA556448  Lotus strigosus Julie Greene 1993-4-30 1282 Riverside S of visitor center road and N of the old San Jacinto River drainage. 433 Comment
  RSA781657  Lotus strigosus Duncan S. Bell 2009-3-8 78 Riverside Arica Mountains: northwest side of mountain range approximately 3.2 air miles northwest of Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 513 Comment
  UC1537086  Lotus strigosus Gordon H. True Jr. 1935-2-26 18 Riverside Mockingbird Canyon 365 Comment
  UCR153672  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR20782  Lotus strigosus A. C. Sanders, Steve Boyd 1980-5-2 1393 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR214121  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37727 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR16277  Lotus tomentellus David Eslinger 1970-4-25 s.n. Riverside Colorado, 2 mi. N [of junction of] Interstate Hwy 10 and State Hwy 195 into Joshua Tree National Monument [now J.T.N. Park], 200 ft. NW of road 610 Comment
  UCR52000  Lotus tomentellus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2166 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA192129  Lotus unifoliolatus E. W. Lathrop 1966-5-25 6334 Riverside 5 miles NW of Murrieta. Comment
  POM46811  Lupinus arizonicus Mary F. Spencer 1920-3-17 1497 Riverside Whitewater. Comment
  RSA124265  Lupinus arizonicus E. K. Balls, Percy C. Everett 1958-3-20 22937 Riverside South base of Eagle Mts., U.S. Hwy 60/70. 366 Comment
  UCSB8837  Lupinus arizonicus Bell, David 1969-3-31 Riverside River Bend Campground; along U.S. Highway 95; 15 miles north of Blythe, Mojave Desert 152 Comment
  UC489014  Lupinus bicolor C. V. Meyer 1929-6-18 767 Riverside Hemet Valley; San Jacinto Mts., Hemet Valley 1341 Comment
  UCR41216  Lupinus bicolor N. M. Fellows, A. C. Sanders 1985-4-9 135 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
  UC15827  Lupinus concinnus H. M. Hall June, 1901 2067 Riverside s side San Jacinto Mountains (San Jacinto Mountains); s side San Jacinto Mountains 1645 Comment
  RSA50323  Lupinus concinnus subsp. optatus E. K. Balls 1949-5-4 13490 Riverside Disintegrated granite, in shelter of large rocks, chaparral on Banning Idyllwild road Comment
  RSA87096  Lupinus concinnus subsp. optatus F. W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  UC489156  Lupinus excubitus C. V. Meyer June 1927 166 Riverside San Jacinto Mts. 1737 Comment
  RSA39402  Lupinus excubitus var. hallii Theodore Payne 1947-4-25 11703 Riverside Albino colony: on Payne Ranch, Bar-0, 1 mile south of Aguanga. 488 Comment
  UC1979531  Lupinus excubitus var. hallii Darin L. Banks, Steve Boyd 1995-4-5 146 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. Comment
  POM11039  Lupinus formosus H. M. Hall 1901-06 2214 Riverside Onstatts Valley 1524 Comment
  SBBG47514  Lupinus formosus M. B. Dunkle 1933-7-19 3669 Riverside Tahquitz Valley 2438 Comment
  UCSB3341  Lupinus formosus DeWitt, Jack 1959-5-17 Riverside 5.1 miles S of Hemet Lake, on Hwy. 74; San Nacinto Mtns. 1280 Comment
  SEINET11160153  Lupinus formosus Unknown 1973-6-15 20769 Riverside Riverside County Comment
  UCR25046  Lupinus latifolius A. C. Sanders 1980-7-22 1706 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  UCR272821  Lupinus latifolius Mitch Provance 2016-6-28 616- 36 Riverside San Jacinto Mountains, Idyllwild, along Strawberry Creek, near the corner of Bicknell Ln. and South Circle Dr. 1636 Comment
  RSA89958  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-7-1 18350 Riverside 6.6 miles SE of San Bernardino National Forest Boundary on road from Idyllwild to Banning, San Jacinto Mts. 1829 Comment
  JEPS65300  Lupinus latifolius var. parishii W. L. Jepson 1903-8-4 2280 Riverside Chalk Hill San Jacinto Mt. (south hillside, San Jacinto Mt.); San Jacinto Mt. Chalk Hill, South hillside 1493 Comment
  UC729904  Lupinus latifolius var. parishii Carl B. Wolf 1932-8-5 3951 Riverside 1st real wet meadow on trail from Tahquitz Valley to San Jacinto Peak (San Jacinto Mts.); San Jacinto Mts. 2743 Comment
  UCR60538  Lupinus microcarpus C. W. Tilforth, W. Wisura 1979-5-23 1806 Riverside Santa Ana Mtns., Santa Rosa Plateau, Murrieta to De Luz road, c. 2 air mi. south of Murrieta 335 Comment
  SDSU14004  Lupinus sparsiflorus Michael G. Simpson, Adrienne Russell 2000-4-29 2074 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UC1292300  Lupinus sparsiflorus C. L. Hitchcock and C. V. Muhlick 1964-3-22 23252 Riverside gravelly side canyon near s. entrance to Joshua National Monument (Joshua National Monumnet) Comment
  UC668375  Lupinus sparsiflorus Annie M. Alexander and Louise Kellogg 1941-4-22 2064 Riverside Morongo Valley Gorge 701 Comment
  UCR113169  Lupinus sparsiflorus A. C. Sanders 1998-2-19 21651 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  UCR116829  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23930 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SEINET12154750  Lupinus sparsiflorus Unknown 1936-1 12819 Riverside San Jacinta Mts, S of Palm Springs Comment
  POM254322  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15710 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA339705  Lupinus sparsiflorus subsp. sparsiflorus C. W. Tilforth 1980-5-28 54246 Riverside Whitewater river, 3.2 miles N of Whitewater Post Office and Hwy 10 Comment
  RSA180234  Lupinus truncatus E. W. Lathrop 1965-4-30 5702 Riverside 5 miles W of Murrieta. 610 Comment
  RSA28732  Lupinus truncatus R. S. Woglum 1938-5-1 1611 Riverside Peninsular Ranges: San Jacento Valley; Hemet. . Comment
  RSA699814  Lupinus truncatus Scott D. White, Michael Honer 2003-4-4 8941 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SDSU13325  Lupinus truncatus Jeremy Mass, Ryan Jacobson 2000-4-19 Riverside Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  UCR174168  Lupinus truncatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32602 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
  GMDRC9807  Lycium andersonii J. M. Andre 2017-3-1 38028 Riverside Chuckwalla Bench: along Red Cloud Rd, 2.5 mi. SSE of junction Interstate 10, between Orocopia and Chuckwalla Mtns 473 Comment
  POM259667  Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA422105  Lycium andersonii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC219228  Lycium andersonii P. A. Munz 1922-4-29 5115 Riverside Agunaga Aguanga 609 Comment
  POM160092  Lycium brevipes var. brevipes E. C. Jaeger 1927-3-20 s.n. Riverside Hidden Spring, Colo. Desert. Comment
  CAS-BOT-BC233505  Lycium cooperi Peter H. Raven 1958-5-5 12888 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  RSA0048363  Lycium cooperi A. Lee Haines 1974-4-10 s.n. Riverside Cottonwood Springs, Cottonwood Canyon. 914 Comment
  LA209699  Lycium torreyi F. M. Scott; 1924-3-24 sn Riverside Painted Canyon Comment
  UC884609  Lycium torreyi P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4850 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  SDSU13587  Lythrum californicum Wayne Miller, Charlie Mosse 1972-7-13 Riverside Comment
  RSA388409  Lythrum hyssopifolia Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61171 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 534 Comment
  UCR164065  Lythrum hyssopifolia John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR92321  Lythrum hyssopifolia Scott D. White, S. Ogg 1994-10-17 2473 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 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
  UCR33764  Machaeranthera cognata J. M. Stewart 1984-2-19 84- 04 Riverside Sonoran (Colorado) Desert, Coachella Valley, base of Indio Hills along powerline road, 3.5 mi. west of Dillon Road 49 Comment
  RSA377709  Maianthemum stellatum E. C. Jaeger 1923-6-22 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. 2104 Comment
  RSA519259  Malacothamnus densiflorus var. densiflorus 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
  UCR58303  Malacothamnus fasciculatus George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  RSA606377  Malacothrix clevelandii Jon E. Keeley 1994-4-22 25323 Riverside Shipley Reserve. 590 Comment
  RSA739852  Malacothrix glabrata J. L. Strother 2008-3-10 1369 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  SBBG35013  Malacothrix glabrata T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, probably near Hemet Comment
  UCR262098  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41520 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  UCR270750  Malacothrix saxatilis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8363 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
  RSA708015  Malosma laurina Scott D. White, Jennifer H. Jones 2005-7-5 11150 Riverside Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  SEINET7048009  Malva parviflora Steven R. Hill, Kate Kramer 2001-4-27 33476 Riverside Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Route I-10, Apache Trail Exit, 4 miles east of Banning. Elevation about 1837 feet. Comment
  UCR272499  Malvella leprosa Mitch Provance 2013-6-16 613- 23 B Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  RSA709920  Mammillaria tetrancistra Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4636 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  SEINET11924833  Mammillaria tetrancistra S. B. Parish, Parish, W. F. 1881-1 162 Riverside Whitewater Comment
  RSA441205  Marah macrocarpa Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Banning Comment
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Oct 23 2011
  SDSU12949  Marah macrocarpa Jutta Buschbom 1991-6-1 31 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  POM254731  Marina parryi Philip A. Munz 1940-3-23 15685 Riverside Gold Crown mine, Pinto Mts. east of 29 Palms. 915 Comment
  RSA0023096  Marina parryi John F. Emmel 1995-4-22 1371 Riverside Valley between McCoy Mts. and Little Maria Mts.; large wash 00.6-0.7 air mile north and 0.9-1.2 air miles east of Black Jack Mine. 265 Comment
  SDSU12873  Marrubium vulgare J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 28 Riverside Approximately 400 feet from Santa Margarita (SDSU) Field Station trailer South side of trail leading down into Santa Margarita River Gorge, north of river. 335 Comment
  GMDRC3508  Matelea parviflora J. Andre, T. La Doux 2008-9-16 10704 Riverside Little San Bernardino Mountains: Joshua Tree National Park: among boulders on NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad 34 deg. .534' N 116 deg. 3.098' W. Elev. 4354 ft. 1327 Comment
  UCR152635  Matricaria matricarioides A. C. Sanders 2005-4-22 29589 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR269892  Matricaria occidentalis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41579 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, Pasadena St. near intersection with dirt extension of Hunco Way 387 Comment
  UCR92691  Matricaria occidentalis A. C. Sanders 1996-4-20 18058 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  CLARK-A1528-507  Medicago lupulina var. cupaniana D. H. Eslinger 1970-5-27 Riverside Riverside 335 Comment
  CSUSB1099  Medicago sativa Heather Johnston 1967-5-21 052167 3 Riverside By exit from route 395 onto Lawless Road. 365 Comment
  CHSC35864  Melica imperfecta Paul Bailey 1972-5-14 132 Riverside 5 miles SE of Temecula, Hwy S 16, Pechanga Canyon. 670 Comment
  SBBG53765  Melica imperfecta S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau; NE of trailer park, E of Gavilan Rd Comment
  UCR162283  Melica imperfecta S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UC64493  Mentzelia affinis H. M. Hall 1897-3-10 Riverside San Jacinto Lake Comment
  RSA0060678  Mentzelia affinis Dave Silverman, Onkar Singh 2010-3-25 7846 Riverside Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10. 160 Comment
  UC872424  Mentzelia albicaulis Ira L. Wiggins 1937-3-9 8761 Riverside 5 m w Shaver's Well Comment
  JEPS29275  Mentzelia desertorum Rimo Bacigalupi, L. Heckard and P. Hutchison 1962-3-21 8343 Riverside 2.3 mi below and sw Shavers (along Calif. Highway 195); Box Canyon Wash 243 Comment
  POM48718  Mentzelia dispersa P. A. Munz, I. M. Johnston 1924-7-29 8842 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA0121883  Mentzelia dispersa Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2242 Riverside Santa Rosa Mountains Comment
  CLARK-A1656-879  Mentzelia involucrata Lois Ann Scott 1977-12-2 Riverside Big Morongo Canyon Comment
  JOTR32196  Mentzelia involucrata Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  RSA440408  Mentzelia involucrata Chas. Gabriel 1926-1-28 239 Riverside Rincon [R. Village, Andreas Canyon] Comment
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Nov 17 2011
  SD114165  Mentzelia involucrata D. F. Howe 1949-3-21 1940 Riverside 16 miles east of Mecca on Highway. 518 Comment
  SEINET10480638  Mentzelia involucrata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 23 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  CHSC21886  Mentzelia involucrata var. megalantha Robert A. Schlising 1973-3-18 3072 Riverside Whitewater Canyon, ca 1 mi n of jct with interstate hwy 10; semi-desert slopes. Comment
  CSUSB821  Mentzelia involucrata var. megalantha Wayne White 1974-5-24 Riverside Chuckwalla Mountains, Colorado Desert On Highway I-10 near Red Cloud Road; Chuckwalla Mountains in Colorado Desert 609 Comment
  RSA440442  Mentzelia jonesii Christopher Davidson, J. Jones 1980-4-4 9940 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  UCR21146  Mentzelia jonesii Don Emery 1980-3-20 s.n. Riverside Sonoran (Colorado) Desert, NE end of Orocopia Mtns, SW of Chiriaco Summit 534 Comment
  PASA1550  Mentzelia laevicaulis Margaret Stason 1931-5-24 Riverside Road to Idyllwild near base Comment
  UC170135  Mentzelia longiloba E. E. Schellenger 1894-12-2 107 Riverside Colorado Desert, Chuckawalla Wash. Comment
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1
  POM306697  Mentzelia longiloba var. longiloba Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1685 Riverside West of blythe. Comment
  UCR22118  Mentzelia montana Steve Boyd 1980-5-15 279 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  POM161745  Menyanthes trifoliata R. C. Bacigalupi 1927-7-11 1703 Riverside Grassy Lake meadows. 1890 Comment
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Mar 15 2014
  RSA618162  Micropus californicus D. L. Banks 1997-5-5 2023 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  SEINET273065  Microseris douglasii A. C. Sanders 1997-3-26 20131 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. 1550 Comment
  RSA556440  Microseris douglasii subsp. douglasii Julie Greene 1993-4-17 1203 Riverside San Jacinto Wildlife Area. W of San Jacinto River, W of Davis Rd. 439 Comment
  UCR228259  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR120963  Microseris heterocarpa A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23890 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR213305  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37702 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  POM33642  Microseris lindleyi Marcus E. Jones 1882-4-25 s.n. Riverside End of track [probably near San Jacinto Plains] Comment
  UCR20707  Microseris lindleyi A. C. Sanders, Steve Boyd 1980-5-2 1434 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR213532  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37799 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA0018785  Mimetanthe pilosa Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  JEPS16749  Mimulus aurantiacus var. pubescens Herbert L. Mason 1926-5-2 3190 Riverside Aguanga Valley Comment
  POM8468  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 Comment
  UC922688  Mimulus aurantiacus var. pubescens Annie M. Alexander and Louise Kellogg 1940-3-21 888 Riverside 20 mi s Twenty Nine Palms (Barker Dam); Mohave Desert 1322 Comment
  LA209131  Mimulus aurantiacus var. puniceus L. Haines; L. Erickson 1937-4-9 sn Riverside Hemet road near Winchester turnoff 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
  SDSU12851  Mimulus aurantiacus var. puniceus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998H Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, northwest of bend in road. 262 Comment
  UCR138154  Mimulus aurantiacus var. puniceus D. L. Banks 1997-2-23 1305 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  RSA676273  Mimulus bigelovii Scott D. White 2001-4-3 8226 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  POM122677  Mimulus bigelovii var. bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  UC886112  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside ca. 100 yards e Cottonwood Spring; Cottonwood Canyon Comment
  UC943902  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1899 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  CLARK-A1045-66  Mimulus diffusus George K. Helmkamp 1978-5-6 Riverside Bautista Canyon burn on moist, north slope of Canyon; Hemet 15'Q Comment
  POM10951  Mimulus diffusus P. A. Munz, J. M. Johnston 1922-5-20 5467 Riverside Kenworthy; San Jacinto Mts. 1463 Comment
  UCR133414  Mimulus guttatus Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 317 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  RSA0054840  Mimulus guttatus Keith E. Hoffmaster 1933-4-14 527 Riverside Tahquitz Canyon. Comment
  UC1531139  Mimulus microphyllus Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51989 Riverside Mesa de Colorado Santa Rosa Plateau 609 Comment
  RSA543767  Minuartia douglasii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6027 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
  UCR241114  Mirabilis laevis A. C. Sanders, John F. Green 2012-3-21 39982 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
  HSC93901  Mirabilis laevis var. crassifolia D. Atwood 1993-3-27 17707 Riverside Corona Del Mar State Park along Newport Coast Drive 0 Comment
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Jul 14 2012
  OBI12186  Mirabilis laevis var. retrorsa Tracey & Viola Call, Viola Call 1962-4-6 2118 Riverside 4 mi W of Desert Hot Springs at rd jctn 213 Comment
  RSA772129  Mirabilis laevis var. retrorsa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4827 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UCR255950  Mirabilis tenuiloba Deidre Conocchioli, Duncan S. Bell 2014-3-4 149 Riverside east side of Santa Rosa Mountains, west edge of Coachella Valley,1.3 mi down dirt BLM road from paved 58th Avenue, 4WD road south of Lake Cahuila and La Quinta 37 Comment
  JOTR35060  Mohavea confertiflora La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3512 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR25379  Mohavea confertiflora John C. Roos 1949-3-26 4126 Riverside Sonoran (Colorado) Desert, Mouth of Shaver's Wash [= Box Canyon], east of Mecca 61 Comment
  CAS-BOT-BC226237  Monardella A. C. Sanders; Mark Elvin 2001-8-17 24595 Riverside Mojave Desert, Little San Bernardino Mtns: trail from Key's [Keys] View to Inspiration Point, Joshua Tree National Park 1646 Comment
  UCR143095  Monardella breweri subsp. lanceolata Carl Epling 1932-6-26 s.n. Riverside San Bernardino Valley region, Jurupa Hills 610 Comment
  RSA518903  Monardella lanceolata B. Pitzer 1988-7-1 1483 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb & Arroyo Seco Creeks. 488 Comment
  UC2042134  Monardella lanceolata R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  RSA180383  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-6-9 4944 Riverside 14 miles west of Murrieta. Comment
  RSA675  Monardella lanceolata var. lanceolata B. D. Stark 1927-6-25 210 Riverside Crestmore, near Riverside. 305 Comment
  LA96104  Monardella nana Elizabeth McClintock; 1941-7-21 129 Riverside San Jacinto Mountains, trail from Round Valley Comment
  UC1499851  Monardella nana Carl Epling 1941-6-5 Riverside 1/2 miles below Ribbonwood. Pines to Palms Highway Comment
  RSA750408  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 65 Riverside Pines to Palms Highway, at turn off to Santa Rosa Mt. Comment
  RSA750292  Monardella nana subsp. tenuiflora Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 100 Riverside Black Mountain, 1.25 miles beyond the snow gate. Comment
  SEINET3289847 Image available Monardella nana subsp. tenuiflora M. W. Denslow, M. W. Denslow Sr.; Naomi Fraga 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mountains region: Santa Rosa Mountains, first peak west of Toro Peak. 2616 Comment
  UC1499961  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 103 Riverside 1/2 mi beyond Black Mt. Spring; Black Mt. Comment
  CLARK-A1045-223  Monoptilon bellioides George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; bottom of wash; Lost Horse Mtn. 15'Q Comment
  POM305598  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1937-3-2 884 Riverside Betw Desert Center and Indio Comment
  RSA23220  Monoptilon bellioides Ernest Braunton 1940-4-3 2012 Riverside 25 miles Northeast of Indio. Comment
  UC909735  Monoptilon bellioides N. C. Cooper 1949-4-8 3236 Riverside e of Indio; Mecca Paso 609 Comment
  UCR213931  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR201634  Montia fontana Scott D. White, Justin M. Wood 2008-6-18 12230 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  CDA39523  Moraea polystachya S. Morgan 1984-11-2 s.n. Riverside University of California, Riverside. Botanic Garden. 0 Comment
  RSA0010790  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCD86664  Muhlenbergia filiformis Peter Kamb 1948-7-11 1191 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  CAS-BOT-BC275253  Muhlenbergia microsperma Steve Boyd; et al. 1990-4-3 4101 Riverside Vail Lake Area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain, just S of the E summit 701 Comment
  CLARK-A1528-4756  Muhlenbergia microsperma John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  POM47180  Muhlenbergia microsperma Mary F. Spencer 1920-4-7 1548 Riverside Palm Canyon. Comment
  RSA0121176  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-30 9174 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA254127  Muhlenbergia microsperma Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  RSA525448  Muhlenbergia microsperma Steve Boyd, Dave Bramlet 1990-4-29 4493 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA718830  Muhlenbergia microsperma Michael Honer, L. Hulse 2004-4-3 1921 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  SBBG35235  Muilla maritima T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR96888  Muilla maritima Scott D. White 1993-4-25 1269 Riverside Santa Rosa Plateau, Jensen Porperty; over ridge from Nature Conservancy reserve, near Avocado Mesa Road and Calle De Mucho Comment
  SBBG34746  Myriopteris viscida J. G. Lemmon -Apr- Riverside bluffs of White Water River on the Colorado Desert; ISOTYPE Comment
  CLARK-A1528-4944  Nama demissa John C. Roos 1937-4-18 1388 Riverside Whitewater Comment
  RSA421102  Nama demissa M. B. Dunkle 1933-3-5 3074 Riverside Palm Springs. Colorado Desert. 152 Comment
  RSA480031  Nama demissa Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2154 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SBBG99407  Nama demissa W. L. Halvorson 1977-2-15 77 -29 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  CSUSB116  Nama demissum var. demissum Nancy Robb 1966-4-5 Riverside Dry, rocky slopes along highway between Yucca Valley and the Banning- Indio Freeway, four miles south of Morongo Valley. 914 Comment
  POM14111  Nama hispida var. spathulata E. C. Jaeger 1922-3-29 s.n. Riverside Eastern edge of Colorado Desert, near Rannells. Comment
  RSA575823  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, norhteastern edge of the Gavilan Plateau on bouldery ridge (2427') to N of flats. Comment
  SBBG119058  Nassella pulchra S. D. White with M. Honer 2004-4-6 10060 Riverside Temescal Valley, just N of the I-15 Hwy and E of Indian Truck Trail, S and W of Lee Lake; T5S R5W S7, SW/4 & adjacent S12 335 Comment
  RSA180317  Nasturtium officinale E. W. Lathrop 1964-5-24 5398 Riverside 8 miles west of Murrieta Comment
  CLARK-A1528-3447  Navarretia atractyloides John C. Roos 1952-5-26 5724 Riverside Reche Canyon 457 Comment
  LA102250  Navarretia atractyloides John C. Roos; 1950-5-27 4818 Riverside NE summit of Reche Canyon 761 Comment
  UCR133677  Navarretia atractyloides John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR154380  Navarretia atractyloides A. C. Sanders, Mike Misenhelter 2005-6-15 30950 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
  RSA550478  Navarretia fossalis D. E. Bramlet 1992-5-15 2285 Riverside San Jacinto Wildlife area/ Drying bed of a shallow lake, some 60 m. west of the old San Jacinto channel levee. The site is found 730m from the intersection of the old San Jacinto channel w/ the new San Jacinto River channel., The lake is approximatly 790m west of Davis road. 433 Comment
  UCR90770  Navarretia fossalis D. E. Bramlet 1993-5-16 2355 Riverside 6.0 km west of Hemet, 305 m north of Setson Ave. and 366 m west of Warren Rd. Site is found 640 m east of the MWD canal and 1.3 km south of Florida Ave 456 Comment
  RSA800111  Nemacaulis denudata var. gracilis Duncan S. Bell 2013-4-7 4763 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4.1 air miles south of the ghost town of Rice or approximately 3.3 air miles east northeast of Priests Well. 207 Comment
  UC29166  Nemacladus longiflorus var. longiflorus H. M. Hall 1898-6-28 960 Riverside Strawberry Valley; San Jacinto Mts. 1828 Comment
  UCR260544  Nemacladus ramosissimus T. B. Salvato, Matt Malle 2014-5-29 8023 B Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  SEINET10461025  Nemacladus ramosissimus Wilder WILDER 575 Riverside Jurupa Mountains, Wilder's Canyon Comment
  POM172022  Nemacladus sigmoideus P. A. Munz 1930-5-1 11922 Riverside Morongo Valley. Comment
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  UC665893  Nemacladus tenuis var. aliformis Ira L. Wiggins 1941-3-27 9671 Riverside 8 mi ne Desert Center (s end of Coxcomb Mountains); Coxcomb Mountains Comment
  UCR193524  Nemophila menziesii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35569 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  SEINET7063438  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  RSA614411  Nicotiana glauca D. L. Banks 1997-3-16 1544 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA716194  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA426701  Nicotiana glauca Clyde Stratton 1943-7-23 s.n. Riverside Riverside. Comment
  RSA0108978  Nicotiana obtusifolia Duncan S. Bell, Amanda Bell 2012-1-28 3063 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UCD126751  Nicotiana obtusifolia L. S. Stone 1936-1-1 s.n. Riverside L.A. Aqueduct Road, 17 miles north of Indio. Comment
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Feb 1 2014
  RSA0018761  Nicotiana obtusifolia Philip A. Munz 1932-3-14 12010 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  UC63871  Nolina parryi H. M. Hall May 17 1901-Jun 1 1901 1819 Riverside se base San Jacinto Mt. 1402 Comment
  UCSB859  Nolina parryi Ralph, F. 1959-5-17 Riverside Across Hwy, 74 from Pinon Flats Campground about 15.1 miles south of Palm Desert City Limits 1219 Comment
  SD122666  Nolina parryi C. C. Parry 1876-1 Riverside Probably Riverside County. Desert east of San Bernardino, (See cotype at MO for more specific locality information). Photograph of specimen only. Comment
  POM355283  Oenothera californica D. A. Young 1969-3-28 P- 330 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  UCR281884  Oenothera californica subsp. californica R. E. Riefner Jr. 2017-9-4 17- 452 Riverside Perris-Aguanga Basin, Wolf Valley, city of Temecula, Temecula Creek, immediately north of Temecula Lane and Canterfield Drive, vicinity of Pala Community Park 323 Comment
  SEINET3092710 Image available Oenothera deltoides John Adams 1966-3-12 459 Riverside Cathedral City, corner of Palm Canyon and Araby. Comment
  UCR6153  Oenothera speciosa A. P. Donaldson 1966-4-11 s.n. Riverside 0.4 mi from the corner of Van Buren and Magnolia Ave. toward the Riverside Freeway in Arlington 259 Comment
  RSA335031  Olea europaea Steve Boyd 1985-7-23 1004 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  RSA0114876  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17933 Riverside Big Maria Mountains along the Midland-Vidal Road, 16 km SW of Quien Sabe Point, 25.5 km NNW of central Blythe. 287 Comment
  SEINET9037810 Image available Opuntia basilaris M. A. Baker, Michelle Cloud-Hughes 2015-1 18413 Riverside San Gorgonio River, 2km SW of Cabazon, 27km WNW of central Palm Springs, 14km WSW of the historical site of Whitewater 513 Comment
  RSA696233  Opuntia bigelovii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA5407  Opuntia bigelovii var. bigelovii C. B. Wolf 1932-10-12 4301 Riverside Northwest end of Pinto Basin, about 4 mi east of El Dorado Queen Mine. 915 Comment
  POM9957  Opuntia parishii P. A. Munz 1921-5-1 4483 Riverside Southern edge of Mojave Desert, near Pinon Wells 1220 Comment
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Apr 21 2011
  SD229121  Opuntia phaeacantha Dick Schwenkmeyer 2012-3-26 685 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA388331  Opuntia vaseyi Steve Boyd 1986-5-7 1833 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA623869  Orcuttia californica Jon E. Keeley 1985-7-31 7968 Riverside Mesa de Colorado, Santa Rosa Plateau. 610 Comment
  SBBG122754  Orcuttia californica A. Parikh 1990-5-14 171 Riverside Santa Rosa Plateau Ecological Reserve, NE part of Mesa de Burro, S of Miller Cyn, 3.3 km SSW of Murrieta 593 Comment
  SEINET4080621  Orcuttia californica L. M. Boykin, P. M. Hall 2001-1 Riverside Comment
  SEINET10500315  Orobanche cooperi David B. Dunn Dunn 2045 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  RSA0066571  Orobanche cooperi subsp. cooperi H. U. Stauffer, Robert F. Thorne 1964-5-5 5924 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  SEINET188370  Orobanche ludoviciana var. latiloba C. L. Hitchcock 1940-4-4 5940 Riverside Pinto Basin. Comment
  CSUSB901  Orthocarpus purpurascens Steven Wickler 1974-5-5 Riverside San Jacinto Valley Immediately off of Hemet-San Jacinto off-ramp, 8 miles east of Riverside on US 60 Highway. 289 Comment
  CSUSB462  Oryzopsis hymenoides Leland E. Francois 1966-4-23 42366 2 Riverside East side of Salton View look out, located in Joshua Tree National Monument. 1580 Comment
  RSA458998  Osmorhiza berteroi Anstruther Davidson 1876-7-7 s.n. Riverside San Jacinto. 2896 Comment
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Oct 21 2010
  UCR158337  Oxalis pes-caprae A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30074 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
  SDSU12938  Oxalis pilosa Jutta Buschbom 1991-5-31 42 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  RSA753478  Oxytheca emarginata Scott D. White, Justin M. Wood 2009-5-21 12869 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  CHSC20923  Paeonia californica Robert A. Schlising 1972-3-19 3013 Riverside SE of Corona, near margin of Cleveland National Forest. Comment
  UC1126130  Paeonia californica C. Van Fleet 1931-1-19 2 Riverside mesa w Red Mountain; San Jacinto Quadrangle Comment
  UCR131703  Paeonia californica C. B. Wolf 1936-6-17 07955 Riverside Santa Ana Mtns., Tenaja Road, 1.4 miles off Ortega Highway, on road to La Cienega 610 Comment
  RSA763994  Palafoxia arida Justin M. Wood, D. M. Ray 2010-10-21 3003 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 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
  UCR234807  Palafoxia arida var. arida Jim Andre, Glenn L. Clifton 2011-2-22 17470 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  RSA92213  Palafoxia arida var. arida F. W. Peirson 1918-03 4310 Riverside Field near Indio. Comment
  CLARK-A1528-4784  Panicum hirticaule John C. Roos 1965-9-5 Riverside Comment
  RSA715088  Panicum urvilleanum Sarah J. De Groot, J. Mark Porter 2006-3-14 5199 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
  CLARK-A1045-882  Papaver californicum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  CAS-BOT-BC274191  Pappostipa speciosa Peter H. Raven 1958-5-6 12927 Riverside Along State Highway 74, 15.6 miles south-west of Palm Desert, San Jacinto Mountains Comment
  RSA314455  Parietaria hespera var. hespera Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55462 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR19219  Parietaria hespera var. hespera John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  SEINET10576906  Parkinsonia Carl C. Epling 1927-3-27 Epling s.n. Riverside Thousand Palms Comment
  RSA793609  Pectis papposa Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4204 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal,, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  SEINET2054024 Image available Pectis papposa var. papposa E. R. Blakley 1963-9-18 6182 Riverside 2.7 miles west of Desert Center. 312 Comment
  JOTR28951  Pectocarya heterocarpa La Doux, Tasha 2005-3-30 1187 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA775798  Pectocarya heterocarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 990 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SD28017  Pectocarya heterocarpa Carl B. Wolf 1932-4-27 3041 Riverside Colorado Desert, Mecca to Blythe Road, 3/4 mile west of Utopia 149 Comment
  UCR214558  Pectocarya heterocarpa A. C. Sanders 2010-3-15 37418 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  RSA781367  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-4-1 38966 Riverside Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 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
  UCR228913  Pectocarya linearis A. C. Sanders 2011-4-7 39030 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  VVC2876  Pectocarya linearis subsp. ferocula Tim Thomas, P. J. MacKay 2010-4-12 5021 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  POM368779  Pectocarya penicillata Ora M. Clark 1929-4-6 1958 Riverside S. Hemet Comment
  RSA695835  Pectocarya penicillata J. Russell Bruff 1934-6-19 550 -a Riverside Near Hemet Reservoir Comment
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Dec 11 2011
  RSA744306  Pectocarya penicillata Michael Wall 2009-3-27 499 -C Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  POM9558  Pectocarya penicillata P. A. Munz, R. D. Harwood 1920-2-28 3237 Riverside 2 mi. southeast of Corona 274 Comment
  RSA278964  Pectocarya peninsularis B. A. Prigge, L. Martinez 1978-3-23 2411 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA0123295  Pectocarya platycarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8981 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
  RSA703402  Pectocarya platycarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR139716  Pectocarya platycarpa B. G. Pitzer 1989-4-16 1306 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  RSA524606  Pectocarya recurvata Steve Boyd 1990-3-29 3929 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  SBBG6313  Pectocarya recurvata H. and M. Dearing 1937-4-10 1538 Riverside near Hayfield Comment
  UCR60255  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3198 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  UCR88291  Pectocarya recurvata A. C. Sanders, K. C. Rose 1995-4-5 16386 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  POM281157  Pedicularis densiflora Ethel Rush 1951-4-12 170 Riverside 1 mi. south of Aguaga, Hyway 79. Agua Tibia Mts. Loam soil. Lake Henshaw drainage, loam soil. west slope. Comment
  RSA552768  Pedicularis densiflora Steve D. Boyd 1992-3-31 6763 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UCR91598  Pedicularis densiflora D. L. Banks, Steve Boyd 1995-3-15 0060 Riverside NW Palomar Mtns, Agua Tibia Mountains Watershed: Agua Tibia Wilderness Area, N face of Agua Tibia Mountain, Dorland Mountain area 680 Comment
  RSA450318  Pediomelum californicum J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains, Pinon flats Comment
  RSA586088  Pellaea andromedifolia var. andromedifolia Darin L. Banks, Steve Boyd 1995-3-30 116 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  UCR116901  Pellaea mucronata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24196 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
  RSA228803  Pellaea mucronata var. mucronata Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 612 Riverside Cleveland Nat. Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  RSA770702  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4804 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SDSU13691  Pellaea mucronata var. mucronata James C. Dice, Tu Chung 1987-10-19 739 Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station. T8S, R3W, NW 1/4 of NW 1/4 of section 26. 329 Comment
  UCR243511  Pellaea mucronata var. mucronata Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA736557  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA717835  Penstemon X parishii T. Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 524 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR20115  Penstemon californicus T. P. Krantz 1978-1 s.n. Riverside San Jacinto Mtns., Garner Valley 1372 Comment
  NY583867  Penstemon centranthifolius H. M. Hall 1901-6-24 2267 Riverside Slopes of Fuller's Ridge, west of main peak of Mount San Jacinto, between Squirrel Creek and Salisbury's, near Box Springs. Comment
  RSA285585  Penstemon centranthifolius D. C. Michener 1980-6-13 3679 Riverside At east end of Thomas Mtn road above Garner Valley. Comment
  RSA650289  Penstemon centranthifolius G. Foster 1961-5-12 121 Riverside Highway to Idyllwild, Beaumont side. Comment
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Feb 18 2013
  NY583966  Penstemon clevelandii var. connatus S. B. Parish 1896-4-4 s.n. Riverside Palm Springs, (Agua Caliente,) desert base of San Jacinto Mountain 152.4 Comment
  SD111887  Penstemon clevelandii var. connatus Barbara Ertter, Jeffrey Strachan 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road (Forest Road 7S02) from Highway 74 (Pines to Palms Highway) (mak 10/07) 1584 Comment
  POM122818  Penstemon grinnellii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  JEPS13632  Penstemon labrosus Peter Kamb 1948-7-11 1193 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  RSA402130  Penstemon labrosus N. C. Cooper 1949-10-7 1586 Riverside San Jacinto Mts (above Pine Cove). 2073 Comment
  CHSC1885  Penstemon pseudospectabilis L. Oliver; D. Sloan 1935-4-17 Riverside North Colorado desert. Comment
  UC27406  Penstemon rostriflorus H. M. Hall 1901-6-24 2238 Riverside Squirrel Creek San Jacinto Mountains, Squirrel Creek (in canyons of the w side, San Jacinto Mountains) Comment
  RSA0014860  Penstemon rostriflorus N. C. Cooper 1949-6-29 4279 Riverside Palms to Pines Highway. 1220 Comment
  SD136744  Penstemon spectabilis Steve Boyd, Tim Ross 1992-5-15 7407 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA0014938  Penstemon spectabilis var. spectabilis LeRoy Gross, Evan Meyer 2013-5-21 6121 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR117342  Penstemon spectabilis var. spectabilis Mitch Provance 1998-3-20 248 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville. This area is now known as Southridge 381 Comment
  RSA802136  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5013 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  RSA0070920  Pentagramma maxonii Norman C. Cooper 1944-4-8 1085 Riverside Andreas Canyon. 457 Comment
  RSA687392  Pentagramma triangularis May N. Ackley 1928-4-1 85 Riverside Snow Creek, Desert side, Mt. San Jacino 518 Comment
  UCSB62280  Pentagramma triangularis subsp. maxonii Keifer, L. 1963-3-23 Riverside San Jacinto Mtns., Tahquitz Cyn., ca. ; 1 1/2 miles above falls 457 Comment
  JEPS60101  Pentagramma triangularis subsp. triangularis W. L. Jepson 1939-4-17 19136 Riverside near Twin Springs (n end Temescal Canyon); Temescal Canyon 274 Comment
  JOTR35352  Peritoma arborea var. angustata Andre, Jim 2012-4-11 20704 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
  GMDRC5488  Peritoma arborea var. arborea J. Andre 2012-4-16 20895 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  RSA471850  Perityle emoryi N. C. Cooper 1949-4-8 3288 Riverside Shaver's Summit east of Indio. 610 Comment
  RSA471858  Perityle emoryi M. B. Dunkle 1933-3-4 3056 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UC831553  Perityle emoryi C. L. Hitchcock 1940-3-31 5893 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCR72233  Perityle emoryi Theo Glenn 1991-5-24 91- 133 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  SEINET10875493  Perityle emoryi David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2897 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  POM210099  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon 244 Comment
  SEINET179641  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. 244 Comment
  LA49849  Petalonyx thurberi subsp. thurberi Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  CLARK-A1656-643  Peucephyllum schottii Lois Ann Scott 1978-2-3 Riverside Little San Bernardino Mountains Comment
  HSC25834  Peucephyllum schottii Richard Spjut 1972-2-1 2074 Riverside Colorado Desert: Southern end of the Eagle Mts.; Eagle Mt. Rd. and other sandy roads ca. 3 to 6 mi. N of Desert Center Comment
  RSA48331  Peucephyllum schottii E. K. Balls 1949-4-4 12967 Riverside between Durmid and Salton on Highway 111, Colorado Desert. 0 Comment
  RSA796452  Peucephyllum schottii Duncan S. Bell 2009-4-18 226 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UC1523403  Peucephyllum schottii Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54079 Riverside 3.2 mi n Hwy. 10 and Whitewater P.O. (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts. 609 Comment
  UCR41424  Peucephyllum schottii A. C. Sanders 1985-12-22 5962 B 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
  UCR110964  Phacelia brachyloba George K. Helmkamp 1998-6-27 4093 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR35126  Phacelia brachyloba L. B. Ziegler 1974-5-20 526 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  UCD120285  Phacelia campanularia William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  CAS-BOT-BC133956  Phacelia cicutaria Milo S. Baker 1928-4-3 2834 b Riverside Tahquitz canon near Palm Sps. Comment
  UCR102916  Phacelia cicutaria var. hispida George K. Helmkamp 1998-4-3 3090 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR174034  Phacelia cicutaria var. hispida A. C. Sanders 2006-5-19 32454 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
  UCR167265  Phacelia crenulata var. ambigua 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
  JOTR34227  Phacelia curvipes La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2012-5-12 3080 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  CHSC713  Phacelia distans V. Holt 1942-3-20 Riverside Desert Center. Comment
  RSA559958  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA74954  Phacelia distans F. W. Peirson 1918-03 955 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  RSA770429  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4870 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UC489020  Phacelia distans C. V. Meyer 1929-6-13 753 Riverside Chalk Hill San Jacinto Mts. 1371 Comment
  UC667341  Phacelia distans Annie M. Alexander and Louise Kellogg 1941-5-7 2135 Riverside Split Rock Joshua Tree National Monument 1310 Comment
  UCR165915  Phacelia distans T. B. Salvato, John F. Green 2004-5-27 558 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR164936  Phacelia imbricata T. B. Salvato, John F. Green 2004-5-27 620 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR80811  Phacelia imbricata Scott D. White 1993-5-29 1463 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA212890  Phacelia lemmonii Babs Kobaly 1969-6-24 s.n. Riverside Upper Big Morongo Canyon, Riverside County. Comment
  RSA0047273  Phacelia minor J. Mark Porter, Lauren E. Machen 1997-2-15 11418 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA428084  Phacelia minor E. Crow 1929-4-21 332 Riverside North of Alberhill Comment
  UCR224447  Phacelia minor Steve Boyd, Susan Jett 2008-3-20 11826 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR262259  Phacelia minor T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3726 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  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
  SEINET10780736 Image available Phacelia minor George Yatskievych, Eckhard Wollenweber 1990-5-2 Yatskievych 90 -49 Riverside State Highway 74, ca. 2 mi E. of Clevland National Forest boundry, overlooking Lake Elsinore. Burned over slope in oak woodlands, in sandy soil. 762 Comment
  RSA280555  Phacelia minutiflora I. L. Wiggins 1941-3-27 s.n. Riverside 4 mi. north of Whitewater. Comment
  UC701984  Phacelia mutabilis Alan A. Beetle 1946-6-10 4344 Riverside ridge at top of Tahquitz Valley Mount San Jacinto 2438 Comment
  JOTR35031  Phacelia neglecta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3484 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA654550  Phacelia parryi Bruce Albert 1982-4-17 80 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR50291  Phacelia parryi B. G. Pitzer, H. P. Hall, J. L. Hall 1987-5-23 0564 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  POM183984  Phacelia pedicellata P. A. Munz 1932-3-14 12012 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  SEINET3141298  Phacelia pedicellata R. W. Spellenberg 2001-4-26 13217 Riverside 30 air km NE of Mecca in feeder canton to Cottonwood Canyon 800 Comment
  UC881200  Phacelia pedicellata C. L. Hitchcock 1940-3-31 5887 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCR164294  Phacelia ramosissima S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCD88181  Phalaris aquatica L. Reese 1956-5-29 10 Riverside San Jacinto Valley. 475 Comment
  UCR162952  Phalaris lemmonii Fred M. Roberts, R. E. Riefner Jr. 2005-3-31 6139 Riverside Upper Salt Creek, W of Hemet, 200m east of Calif. Rd and 300m south of Stetson Rd, 1.8km WSW Ryan Field 456 Comment
  UCR26337  Phalaris lemmonii John C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) 457 Comment
  RSA666711  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley: west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd., 33 deg 44.5'N, 117 deg 02'W; T5S R1W S7 SW/4 of SW/4; T5S R5W S12, SE/4 of SE/4) 457 Comment
  RSA675710  Phoenix canariensis Scott D. White 2000-10-24 8139 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills 610 Comment
  JOTR35431A  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  RSA792342  Pholisma arenarium Doris Bowers s.n. Riverside Colorado Desert, Algodones Dunes? Comment
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Mar 17 2014
  RSA76032  Pholistoma membranaceum F. W. Peirson 1918-03 5304 Riverside Whitewater Grad, E of Beaumont. Comment
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Feb 3 2013
  RSA784340  Pholistoma membranaceum J. D. Olmsted 1958-3-29 73 Riverside 3 miles N of Cottonwood Springs, which is 8 miles N of the southern entrance of Joshua Tree National Monument with interior drainage to Pinto Basin and just off Cottonwood Pass Road. 991 Comment
  UCR167302  Pholistoma membranaceum Scott D. White 2005-3-29 10829 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  SD143690  Phoradendron bolleanum Andy C. Sanders, P. MacKay, L.& P. Lubinsky 1994-10-30 15833 Riverside San Bernardino Mountains, Whitewater River Canyon between Red Dome and Stills Landing, SE of VABM Paw 911 Comment
  CAS-BOT-BC135102  Phoradendron californicum Roxana S. Ferris 1918-7-14 964 Riverside by stream at Palm Springs Comment
  RSA179  Phoradendron californicum J. T. Howell 1927-8-1 s.n. Riverside Morongo Pass. 610 Comment
  RSA420764  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR16369  Phoradendron californicum R. G. Sullivan 1972-4-20 720420- 3 Riverside San Bernardino Mtns., Whitewater Canyon, 4 mi. north of Interstate 10 640 Comment
  RSA0036080  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Thousand Palms Can., Coachella Valley Comment
  CAS-BOT-BC135178  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 Comment
  SEINET269096  Phoradendron libocedri G. Helmkamp, L. Helmkamp 1995-11-16 2 -2 Riverside San Jacinto Mtns. Lake Fulmor at Hwy 243. 1620 Comment
  RSA790779  Phoradendron villosum M. E. Fishbein, Victor W. Steinmann, Ivonne Steinmann, J. Mark Porter, Stephen Dreher 1999-12-4 4096 Riverside Santa Rosa Mtns: Deep Canyon, just east of California 74. 976 Comment
  CAS-BOT-BC260907  Phragmites australis H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chino Canyon, San Jacinto Mts. Comment
  JEPS70616  Phragmites australis W. L. Jepson 1914-5-22 6044 Riverside ne Edom (cave in Thousand Palms Canyon); Colorado Desert, Thousand Palms Canyon Comment
  UC985938  Physalis acutifolia Malcolm A. Nobs and S. Galen Smith 1948-9-3 483 Riverside 2 mi n Indio; Imperial Valley Comment
  RSA645636  Physalis crassifolia Scott D. White 1999-4-20 7273 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  UCR103579  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-1-17 2549 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCSB22460  Physalis crassifolia Anthony, Jean 1965-2-28 Riverside 1 mile west of Jefferson Street on Avenue 58 southwest of Coachella Comment
  UCR282157  Physalis philadelphica R. E. Riefner Jr. 2017-5-18 17- 260 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  UCR260255  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  SEINET10530648  Pinus attenuata James S. Miller 1992-5-8 Miller 7468 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  RSA769823  Pinus coulteri E. W. Lathrop 1968-5-22 6933 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD229028  Pinus lambertiana Dick Schwenkmeyer 2012-8-27 805 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  RSA651153  Pinus monophylla Peter Gail 1961-5-13 sn Riverside Pinyon Creek State Park. on Palms to Pines Hwy. Comment
  SBBG99806  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside transition from desert to Joshua Tree Nat Monument 1219 Comment
  UCSB98  Pinus monophylla White, Arthur 1960-5-15 Riverside Pinyon Flat campground in desert, 10 mi. se. of road to Anza on Hwy 74 1219 Comment
  RSA503434  Pinus quadrifolia Mark Parratt 1962-2-24 114 Riverside 1/4 mile north of Nightengale, Calif. on State hwy. 74. Mt. Range San Jacinto. Alt. 3900 ft. 1189 Comment
  UCD14088  Pinus quadrifolia Stephen K. Langer 1995-4-8 s.n. Riverside California, Riverside Co.; Highway 371, ca. 0.5 mi. from junction with Highway 74, Santa Rosa Mountains, Comment
  UCR104804  Pityrogramma triangularis var. triangularis George K. Helmkamp, E. A. Helmkamp 1998-1-7 2559 Riverside San Jacinto Valley, 4.7 mi. SE of Florida Ave. (Hemet) on Bautista Rd. 701 Comment
  UCR97024  Pityrogramma triangularis var. triangularis Scott D. White 1997-2-28 4712 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  CAS-BOT-BC71772  Pityrogramma triangularis var. viscosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23110 Riverside 10 mi. N. of Pala, along road to Elsinore Comment
  UCR169784  Plagiobothrys arizonicus Scott D. White, Angelia Carey 2004-4-5 10001 B Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  CLARK-A1528-2260  Plagiobothrys canescens John C. Roos 1966-3-24 Riverside Winchester Comment
  RSA495425  Plagiobothrys canescens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2951 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA528104  Plagiobothrys canescens Scott D. White 1991-4-10 91 -68 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  UCR281250  Plagiobothrys canescens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 36 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  RSA659769  Plagiobothrys canescens var. canescens J. C. Roos 1952-4-30 5605 Riverside Hills between Camp Haan and Riverside 518 Comment
  RSA495826  Plagiobothrys collinus var. californicus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2937 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SD244102  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy . Chumley 2013-4-3 40769 Riverside Peninsular Range: Temescal Canyon south of Horsethief Canyon Road, off the west shoulder of I-15 fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 391 Comment
  UCR114842  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-17 71 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR182164  Plagiobothrys collinus var. californicus Mitch Provance 2003-4-5 6608 Riverside San Bernardino Valley, SW extreme of the Jurupa Mountains, Glen Avon, slopes N of the northern extreme of Campbell St 274 Comment
  POM12984  Plagiobothrys collinus var. fulvescens P. A. Munz, I. M. Johnston 1922-5-19 5417 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM13692  Plagiobothrys collinus var. fulvescens P. A. Munz 1922-6-24 5808 Riverside Pipe Creek, Hemet Valley 1524 Comment
  UCR241390  Plagiobothrys collinus var. fulvescens T. B. Salvato, Mike Landers 2013-3-21 7381 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR138721  Plagiobothrys leptocladus Julie A. Greene 1993-4-17 1217 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  UCR211730  Plagiobothrys leptocladus Fred M. Roberts, D. E. Bramlet 2005-5-5 6180 Riverside Perris Basin, San Jacinto Valley, along MWD canal just north of Devonshire Road and west of Warren Road 458 Comment
  UCR266817  Plagiobothrys leptocladus Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 08 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR20646  Plagiobothrys tenellus O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR266778  Plagiobothrys tenellus Mitch Provance, Matt Amalong 2015-3-25 315- 24 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR281120  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 24 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA524397  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4119 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
  UC495300  Plantago erecta Philip A. Munz 1932-3-24 12021 Riverside n of Elsinore 304 Comment
  UCR113044  Plantago erecta Mitch Provance 1998-3-31 304 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the quarries. 366 Comment
  UCR135824  Plantago erecta A. C. Sanders, Guy Bruyea 2004-4-2 27447 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  RSA0035040  Plantago insularis var. fastigiata A. N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Coachella. Comment
  JEPS7190  Plantago ovata S. B. Parish 1912-10-23 8342 Riverside Mecca Salton Basin -57 Comment
  SEINET4559909  Plantago ovata J. Andre 2012-1 21354 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UCR102721  Plantago ovata B. G. Pitzer 1998-1-24 3407 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA155555  Plantago ovata var. fastigiata L. S. Rose 1962-3-2 62008 Riverside La Quinta 3 Comment
  RSA708430  Plantago patagonica Scott D. White 2005-3-29 10827 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
  SD137692  Plantago patagonica Darin L. Banks, Steve Boyd 1995-5-3 293 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA785717  Platanus racemosa Doris Bowers 1972-4-15 1829 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  RSA291600  Platystemon californicus C. W. Tilforth, Walter Wisura 1979-4-11 1782 Riverside Long Canyon, in wash, Rancho California Road, east of Temecula Comment
  UC167982  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 10 Riverside Wilders near Riverside; near Riverside Comment
  UC64140  Platystemon californicus Miss Daisy M. Harris May 1897 Riverside Winchester Comment
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Mar 20 2011
  VVC366  Platystemon californicus W. W. Mayhew 1959-4-20 s.n. Riverside NW Riverside Co, Box Springs Mtn. on Stone Ranch, SW of Pigeon Pass Rd intersection 549 Comment
  CLARK-A1528-3416  Platystemon californicus var. crinitus John C. Roos 1942-5-2 1147 Riverside Joshua Tree National Park Comment
  SEINET3162856  Plectritis macrocera M. E. Jones 1882-4-24 3167 Riverside San Jacinto Comment
  RSA0021527  Pleuraphis rigida Jim Andre 2013-3-27 24809 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA678444  Pleuraphis rigida Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10492 -A 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
  SBBG585  Pleuraphis rigida H. and M. Dearing 1942-4-6 4868 Riverside 10 mi W of Blythe Comment
  CLARK-A1045-217  Pleurocoronis pluriseta George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; wash; Lost Horse Mtn. 15'Q Comment
  RSA5370  Pleurocoronis pluriseta B. D. Stark 1932-6-17 3751 Riverside Canyon above Cottonwood Springs, Eagle Mts., Colorado Desert 305 Comment
  UC68949  Pleurocoronis pluriseta H. M. Hall 1905-5-1 5992 Riverside hills near Indio; Colorado Desert Comment
  CAS-BOT-BC356105  Pluchea odorata J. Ewan 1931-10-3 5210 Riverside Santa Ana River 4 miles N.W. of Corona Comment
  CAS-BOT-BC237694  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-21 311 Riverside N facing cutbanks about 0.5 mile downhill from Observation Point on Highway 74 Comment
  UCR241011  Poa secunda Tracy Tennant 1998-3-11 205 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  UCR27283  Poa secunda E. W. Lathrop 1966-4-27 6207 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and San Mateo Canyon, Cleveland National Forest. 1220 Comment
  UC39551  Poa secunda subsp. secunda H. M. Hall June, 1901 2064 Riverside San Jacinto Mts 1615 Comment
  RSA586488A  Poa secunda var. secunda D. L. Banks, Steve Boyd 1995-5-9 345 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  JOTR37490  Polygala acanthoclada Hodges, Stephen R. 2016-5-1 619 Riverside Joshua Tree National Park. Cottonwood Mountains, to the north east of the Cottonwood visitor center Comment
  RSA518290  Polygonum argyrocoleon George K. Helmkamp 1989-9-16 s.n. Riverside ca. 1/2 mi. S of Hwy I-8 W of Blythe, at Seeley Rd. and state Hwy 78. QH 0N, 1E 75 Comment
  JOTR35172  Polygonum aviculare subsp. depressum Harding, Mitzi, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-9-14 160 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1301 Comment
  CDA22826  Polygonum lapathifolium P. Gordon-Reedy 1996-1 s.n. Riverside Shores of Lake Skinner. 0 Comment
  UCR261422  Polypodium californicum Joseph Cahill 2011-1-8 111- 14 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  RSA798600  Polystichum imbricans subsp. curtum R. F. Thorne, E. W. Lathrop 1977-5-18 49757 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA770886  Populus fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4589 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  JEPS64524  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12590 Riverside Colorado Desert, Cottonwood Spring Cottonwood Spring; Colorado Desert, Cottonwood Spring 731 Comment
  LA102386  Porophyllum gracile John C. Roos; 1950-5-6 4789 Riverside Santa Ana Mountains, Tin Mine Canyon 609 Comment
  RSA124075  Porophyllum gracile P. C. Everett, E. K. Balls 1958-4-29 23035 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City 549 Comment
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Mar 20 2011
  RSA457782  Porophyllum gracile Steve Boyd, Richard Noyes, Sara Meury, D. Nordin, Timothy S. Ross 1988-3-10 2206 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR201672  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA0084500  Potentilla nevadensis E. C. Jaeger 1921-1 s.n. Riverside Tahquitz. San Jacinto Mts. Comment
  SBBG72480  Potentilla rimicola R. Hoffmann 1929-9-6 Riverside near Tahquitz Pk Comment
  CAS-BOT-BC356218  Prenanthella exigua Annie M. Alexander; Louise Kellogg 1941-5-23 2221 Riverside Colorado Desert. 3.5 miles northeast of Cottonwood Spring, Eagle Mountains 762 Comment
  CAS-BOT-BC206976  Prosopis glandulosa var. torreyana Geo. B. Grant 1906-5-1 1043 -6721 Riverside Colorado Desert at Palm Srpings Comment
  CAS-BOT-BC206994  Prosopis glandulosa var. torreyana S. B. Parish 1916-5-12 10865 Riverside Mecca, Colorado Desert 60 Comment
  RSA502501  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3721 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  SBBG68566  Prosopis pubescens M. D. Clary 1931-1 1242 Riverside Colorado Desert -13 Comment
  JOTR37443  Prunus fasciculata var. fasciculata Hodges, Stephen, T. Green 2016-5-24 565 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  SDSU18663  Prunus fasciculata var. fasciculata Michael G. Simpson, Kristen Hasenstab 2008-4-2 2951 Riverside Joshua Tree National Park. Wash, just southwest of road to Cottonwood Spring, ca. 0.2 mile northwest of Cottonwood Spring. 896 Comment
  CLARK-A1528-4031  Prunus fremontii John C. Roos, Lucille Roos 1953-3-21 5908 Riverside Palm Springs 274 Comment
  CLARK-A1528-4037  Prunus virginiana John C. Roos 1965-7-3 Riverside San Jacinto Mountains Comment
  SBBG44957  Psathyrotes ramosissima E. Braunton 1940-4-3 2013 Riverside Berdoo Cyn, 20 mi E of Indio 304 Comment
  SEINET2054372 Image available Psathyrotes ramosissima W. H. Earle 1974-12-8 Riverside Haywood Rd. north of Rt. 60. Comment
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Aug 25 2013
  CAS-BOT-BC356596  Pseudognaphalium biolettii Nancy Ryan Zabriskie 1973-4-6 624 Riverside Along trail ca 25' N of stream, ca 30 yds downstream from Big Pool. Andreas Canyon, E slope San Jacinto Mtns. (Site A-1) 335 Comment
  UCR136267  Pseudognaphalium biolettii A. C. Sanders 2004-4-20 27549 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
  SD152939  Pseudognaphalium californicum Steve Boyd, Tim Ross 1992-5-5 7246 Riverside Southern Santa Ana Mountains, isolated grassland area south of Oak Flats. 730 Comment
  SD136918  Pseudognaphalium leucocephalum Steve Boyd 1994-10-14 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area of the Cleveland National Forest. 305 Comment
  LA6328  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, Herky Creek Comment
  UCR220340  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR89227  Psilocarphus brevissimus var. brevissimus Scott D. White 1995-9-22 3677 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UCR267880  Psilocarphus chilensis D. E. Bramlet 2005-4-19 3821 Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  UCR132422  Psoralea macrostachya A. C. Sanders 2004-2-6 27385 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, canyon along north side of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCSB13077  Psorothamnus arborescens Dearing, Hugh; Dearing, Margaret 1940-6-9 Riverside 7 mi. N of Palm Springs Comment
  UC128527  Psorothamnus arborescens var. simplicifolius Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  LA205191  Psorothamnus emoryi Elizabeth McClintock; R. Erickson 1937-11-6 sn Riverside foot of Palms-to-Pines Highway Comment
  SFV21860  Psorothamnus emoryi J. R. Pucci 2001-5-12 25 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  RSA0031550  Psorothamnus schottii Duncan S. Bell 2013-1-30 4440 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  RSA0105295  Psorothamnus schottii Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7748 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  RSA404256  Psorothamnus schottii N. C. Cooper 1944-5-20 2647 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  SBBG22977  Psorothamnus schottii D. Myrick 1965-3-3 1081 Riverside White Tank Public Camp, Joshua Tree Nat Monument 762 Comment
  UC311260  Psorothamnus schottii Philip A. Munz 1926-1-1 10816 Riverside Thousand Palms Comment
  UCR100131  Psorothamnus schottii B. G. Pitzer 1997-10-19 3352 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  CDA27787  Psorothamnus spinosus W. E. Henson Jul 1932 Riverside Coachella Valley. 0 Comment
  CAS-BOT-BC72616  Pteridium aquilinum Louis C. Wheeler 1931-10-4 201 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA575882  Pteridium aquilinum var. pubescens Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills region, ''Blue Oak Canyon'' steep tributary to Dawson Canyon on the northern flank of Estelle Mountain. 487 Comment
  UC218675  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-7 6035 Riverside Tamarack Valley; San Jacinto Mts 2804 Comment
  CAS-BOT-BC421249  Pterostegia drymarioides Milo S. Baker 1928-4-3 2818 b Riverside Tahquitz Canon [Canyon] near Palm Sps. Comment
  UCR174454  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32631 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
  CDA40753  Pycnanthemum californicum C. R. Tower Jun 1954 s.n. Riverside In a canyon on the north side of the Santa Ana Mountains, facing towards Corona. 0 Comment
  RSA0081611  Pyrola aphylla F. W. Peirson 1924-7-27 4988 Riverside Dark Canyon, San Jacinto Mts. 1905 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
  RSA751628  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 540 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  CAS-BOT-BC62821  Quercus berberidifolia Steve Boyd 1994-10-14 8398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. 426 Comment
  RSA475286  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  RSA643458  Quercus berberidifolia A. C. Sanders 1995-11-26 17911 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga & Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. NE/4 sec. 22. 1189 Comment
  SD254631  Quercus berberidifolia Mitch Provance 2012-1-25 17375 Riverside San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and Hgighway 60. 654 Comment
  SEINET13297596 Image available Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8349 Riverside Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.) 424 Comment
  UCR141960  Quercus berberidifolia A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24970 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  SBBG58063  Quercus chrysolepis J. E. Butner 1948-10-3 654 Riverside trail from Idyllwild to San Jacinto Pk 2133 Comment
  UCR93997  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  SJSU10151  Quercus kelloggii A. W. Jacobs 1938-8-1 Riverside Mt Tahquitz trail near Keen Ranger Station 1409 Comment
  UCD170552  Quercus kelloggii D. O. Burge 2017-5-20 2280 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  CLARK-A1528-2908  Quercus wislizeni var. frutescens John C. Roos 1947-1-4 3196 Riverside Box Springs Mountains 487 Comment
  RSA262111  Quercus wislizeni var. frutescens E. W. Lathrop 1968-5-8 7025 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR209657  Quercus wislizeni var. wislizeni Fred M. Roberts, Robt. L. Allen 2008-6-23 7049 Riverside Santa Ana Mountains, Santiago Peak, eastern slope, Main Divide Truck Trail, at the junction with Coldwater Trail, 1.5 km east-northeast of the summit of the peak 1479 Comment
  UCSB34691  Quercus wislizeni var. wislizeni Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 3.5 mi south of Idyllwild (1.4 mi n. of Mountain Center) on calif. Hwy 243, San Jacinto Mtns Comment
  RSA651188  Rafinesquia Marion P. Harthill 1971-3-19 s.n. Riverside Palm Desert. Comment
  RSA701404  Rafinesquia californica Steve Boyd, Aydee Virgen 2004-4-13 10889 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SEINET273103  Rafinesquia californica G. K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake 488 Comment
  UCR139024  Rafinesquia californica D. L. Banks 1997-4-5 1694 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  HSC28057  Rafinesquia neomexicana Richard Spjut 1973-4-6 3273 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  POM13919  Rafinesquia neomexicana P. A. Munz, D. D. Keck 1922-4-12 4884 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  POM254899  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  POM34179  Rafinesquia neomexicana Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. Comment
  RSA0086970  Rafinesquia neomexicana R. S. Woglum 1934-3-18 647 Riverside San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  UC56754  Ranunculus californicus H. M. Hall Apr. 1902 2889 Riverside Coahuilla 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
  RSA180358  Rhamnus crocea E. W. Lathrop 1965-5-30 5772 Riverside 6 miles W of Murrieta. Comment
  RSA594765  Rhamnus crocea D. L. Banks, Dylan Hannon 1996-5-3 0987 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  SEINET238736  Rhamnus crocea A. C. Sanders, Mitch Provance; T. B. Salvato 2000-6-1 23448 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  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
  CSUSB1005  Rhododendron occidentale Stan R. Szarek 1970-11-14 Riverside San Jacinto Mountains San Jacinto Mountains. Collected below campsites at Fuller Mill Creek. Rooted 3 feet from creek. Comment
  RSA0034867  Rhododendron occidentale Norman C. Cooper 1944-7-16 1551 Riverside San Jacinto Mountains, above Pine Cove. 2133 Comment
  POM86228  Rhus ovata Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA296156  Rhus ovata B. A. Prigge 1980-8-5 3829 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  UC1329869  Rhus trilobata James E. Cole 1941-5-23 775 Riverside Split Rock Area; Joshua Tree National Monument 1280 Comment
  RSA0035002  Rhus trilobata Charles MacKechnie 1950-4-29 s.n. Riverside Cranton [Cranston] Ranger Station, San Bernardino Nat'l. Forest. 609 Comment
  SD73468  Rhus trilobata var. pilosissima E. W. Lathrop 1969-6-6 7110 Riverside 8 miles west of Murrieta, on the Tenaja Truck Trail between Santa Rosa Road and Los Alamos Canyon Comment
  RSA651630  Ribes aureum var. gracillimum Bennie Finnell 1948-5-17 s.n. Riverside Found near Hunt Ranch 8 mi. South of Corona. 221 Comment
  UC79638  Ribes cereum A. W. Anthony 1895-7-7 Riverside San Jacinto Mountain 2743 Comment
  CAS-BOT-BC173135  Ribes indecorum A. J. McClatchie 1892-5-20 s.n. Riverside [Canon] Canyon of St. Rosa Mts., near Elsinore Lake Comment
  RSA221071  Ribes indecorum E. W. Lathrop 1966-3-23 6113 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA562614  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 Comment
  LA205484  Ribes malvaceum D. Birindelli; S. Medry 1969-3-9 sn Riverside NW side of Mt. Jacinto 1219 Comment
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA535479  Ribes malvaceum var. viridifolium Tim S. Ross, Orlando Mistretta 1992-2-2 6657 Riverside Santa Ana Mts, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  UC11635  Ribes nevadense H. M. Hall July, 1901 2423 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1524 Comment
  UC279700  Ribes quercetorum Edmund C. Jaeger 1926-1-2 Riverside foothills near Aguanga Comment
  UCR24947  Ribes roezlii A. C. Sanders 1980-7-18 1658 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR35281  Ribes roezlii var. roezlii L. B. Ziegler 1968-6-12 316 Riverside San Jacinto Mtns., Thomas Mountain, slopes below summit 2043 Comment
  UCR62862  Romneya coulteri Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  UC130496  Rorippa curvisiliqua Charlotte M. Wilder 1907-7-15 943 Riverside shore of lake Hemet Valley; , shore of lake Comment
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Mar 25 2011
  UCR1084  Rorippa nasturtium-aquaticum J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mtns., stream running into Hemet Lake 1326 Comment
  UCR177322  Rorippa nasturtium-aquaticum Scott D. White, Michael Honer 2003-5-27 9413 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UCR84611  Rorippa nasturtium-aquaticum Scott D. White, S. Ogg 1994-4-21 2005 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA725951  Rubus discolor Tom Chester 2006-12-19 979 Riverside Santa Rosa Plateau Ecological Reserve: Santa Rosa Ranch. 549 Comment
  UC12971  Rubus parviflorus Harley P. Chandler 1897-7-23 Riverside Deep Creek San Bernardino Mts., Deep Creek 1524 Comment
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Nov 26 2011
  UCSB37348  Rubus parviflorus Roos, John 1965-7-3 Riverside Dark Canyon, San Jacinto Mtns Comment
  CAS-BOT-BC433323  Rumex crispus H. M. Hall 1901-7-1 s.n. Riverside San Jacinto Mountains. Fuller's Mills Mountains 1584 Comment
  UCR167827  Rumex crispus T. B. Salvato, Melissa Clemons 2005-6-23 1309 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR180047  Rumex crispus Mitch Provance 2005-5-18 9808 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR113969  Rumex obtusifolius Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SEINET238572  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash between the Market St. and Riverside Ave crossings. 244 Comment
  UCR193872  Rumex salicifolius A. C. Sanders, Mitch Provance 2008-7-11 35819 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
  UCR17313  Salazaria mexicana N. R. Zabriskie, W. W. Zabriskie 1972-3-30 504 Riverside San Jacinto Mtns, below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring, NW of Hwy 74. Site 11. 1098 Comment
  UC7469  Salicornia subterminalis H. M. Hall 1899-6-2 Riverside near Perris (along San Jacinto River); San Jacinto River Comment
  CAS-BOT-BC129740  Salix bonplandiana Marcus E. Jones 1927-4-21 5 M-11-26 Riverside The Pipes, near Morongo Valley Comment
  SD137625  Salix exigua var. hindsiana Darin L. Banks, Steve Boyd 1995-3-16 101 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage 555 Comment
  CAS-BOT-BC108108  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  POM178784  Salix gooddingii Marcus E. Jones 1930-4-2 26030 Riverside Blythe. Comment
  RSA4945  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Overflow land back of Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
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Mar 26 2011
  RSA0038297  Salix gooddingii Norman C. Cooper 1943-9-26 931 Riverside Cabazon 548 Comment
  CAS-BOT-BC108215  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UC914198  Salix laevigata Charles B. Fiker 1946-5-30 3359 Riverside road dip s. of Temecula bridge (Hwy. 395) Comment
  POM319279  Salix lasiolepis Patricia Wilder 1972-2-18 5356 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  RSA752877  Salix scouleriana Orlando Mistretta 2009-7-10 4002 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
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Jun 29 2015
  CAS-BOT-BC126323  Salix sessilifolia Milo S. Baker 1928-4-3 2832 b Riverside Tahquitz [Canon] Canyon near Palm Sps. Comment
  RSA238367  Salsola gobicola P. A. Munz 1973-3-21 18330 Riverside Sandy flat across Highway 111 from Shields Date Gardens between Indio and Palm Desert. Comment
  UCR261417  Salsola paulsenii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41424 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
  RSA450977  Salsola tragus Stephen M. Beckstrom-Sternberg 1985-9-10 1025 Riverside U.C.R. garden plots. Comment
  UCR264221  Salsola tragus A. C. Sanders, Jim Malusa 2015-9-11 41879 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Iris Pass, floor of canyon c. 100 m below white tuff outcrops and falls 659 Comment
  RSA628607  Saltugilia australis H. A. Haid 1968-1 s.n. Riverside San Jacinto Mountains: Bautisa Canyon, above the confluence with Horse Creek 878 Comment
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May 21 2016
  SEINET3163597  Saltugilia australis M. E. Jones 1882-4-29 sn Riverside Salton Comment
  UCSB37825  Saltugilia splendens Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S, R 3E, sec. 28 2072 Comment
  JEPS62535  Salvia apiana W. L. Jepson 1901-5-17 1238 Riverside hills near San Jacinto Lake 457 Comment
  RSA411318  Salvia apiana N. R. Zabriskie, Walter Zabriskie 1972-4-9 508 Riverside Northwest of Hwy 74, Deep Canyon drainage, Santa Rosa Mountains. 1220 Comment
  UC534837  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  IRVC2077  Salvia columbariae R. H. Whittaker, W. A. Niering 1963-5-30 SJ 85 92 Riverside Palm Desert to Mountain Center, Santa Rosa Mountain Rd. Santa Rosa Mountains 1524 Comment
  RSA401485A  Salvia columbariae Anstruther Davidson 1896-07 s.n. Riverside San Jacinto Mtns. Comment
  RSA504549  Salvia columbariae Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA747719  Salvia columbariae Justin M. Wood 2009-3-26 400 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  SD143868  Salvia columbariae A. C. Sanders 1997-3-1 19713 Riverside Box Spring Mts., Coyote Hill, (Bench Mark Versity,1386 Ft) and Ridge S & SE of the UCR Botanic Garden 422 Comment
  UC71045  Salvia columbariae F. M. Reed 1905-5-24 764 Riverside vicinity Riverside (Arroyo Tequisquite); Riverisde, Arroyo Tequisquite Comment
  UCD125702  Salvia columbariae Louis B. Ziegler 1965-11-10 s.n. Riverside Hemet Valley, San Jacinto Mountains, along a road about one mile north of Kenworthy Ranger Station. 1524 Comment
  UCSB47321  Salvia columbariae Hibbard, Doug 1977-5-14 Riverside Off both sides of Hwy 74; 3.3 miles from its intersection with Hwy 111; Palm Desert area 280 Comment
  CAS-BOT-BC221089  Salvia eremostachya Philip A. Munz 1937-5-30 15109 Riverside Dos Palmos [Palmas] Spring, north end Santa Rosa Mts. 1097 Comment
  UCR38253  Salvia eremostachya J. M. Stewart 1985-3-16 8506 Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  RSA0024814  Salvia greatae Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-23 4462 Riverside Orocopia Mountains; south end of range, on the north side of Salt Creek to the north of Clemens Well. 302 Comment
  SD70009  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia and Chocolate Mountains. 121 Comment
  UC125166 Image available Salvia greatae H. M. Hall 1905-4-22 5848 Riverside near Dos Palmas; Colorado Desert; Colorado Desert, Riverside Co. Comment
  SBBG97213  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  SEINET11196321  Salvia mellifera Unknown 2006-5-13 32275 Riverside Temecula Comment
  UCR241956  Salvia mellifera A. C. Sanders, John F. Green 2012-3-21 39984 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
  CAS-BOT-BC233350  Salvia vaseyi H. M. Hall 1901-5-1 1878 Riverside Eastern base, along the borders of the Colorado Desert, San Jacinto Mountains Comment
  SD241887  Salvia vaseyi Jay Walker, R. C. Walker 2004-4-15 3102 Riverside Ca. 6 miles NE of Pinyon Flats, along hwy 74, at mile marker 87.25 in the first pullout uphill from Vista Point. Comment
  CLARK-A1703-1244  Sambucus caerulea Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  POM88191  Sambucus caerulea P. A. Munz, I. M. Johnston 1924-7-29 8888 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA500135  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3675 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR131826  Sambucus mexicana Jennie Phui 1998-5-30 036 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR1418  Sanicula arguta Frank C. Vasek 1960-4-12 600412- 05 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  UCR102864  Sanicula tuberosa A. C. Sanders 1997-4-3 20150 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  SD128323  Sarcodes sanguinea R. Mitchel Beauchamp 1971-5-15 2414 Riverside San Jacinto Mountains, Black Mt. campground 2207 Comment
  SEINET3004999  Sarcostemma hirtellum G. Rink 2011-4-4 10427 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UCR217505  Satureja chandleri Ana Hernandez 2009-4-28 008 Riverside Santa Ana Mtns: foothills, Santa Rosa Plateau, near Tenaja Rd., on north-facing slope and drainage 512 Comment
  UCR112799  Schinus molle A. C. Sanders 1997-5-1 20617 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  JOTR37757  Schismus barbatus Hodges, Stephen R. 2016-2-29 713 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  RSA793417  Schismus barbatus Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3946 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SEINET229294 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-18 8321 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  UCR113859  Schoenoplectus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR121818  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24600 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA92140  Schoenoplectus americanus F. W. Peirson 1921-3-20 2848 Riverside Palm Canyon, Colorado Desert. 305 Comment
  SBBG80993  Scirpus microcarpus D. L. Ill 1985-5-12 39 Riverside Harford Springs, 1.6 mi S of Cajalco Rd on Gavilan Rd, right side of rd along Spring, Gavilan Hills 609 Comment
  RSA425207  Scrophularia californica subsp. floribunda Christopher Davidson 1977-5-18 5615 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UC1931068  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin Wood 2008-7-9 12414 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR202598  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12439 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA643417  Secale cereale N. M. Fellows 1982-5-29 s.n. Riverside Volunteer plants growing adjacent to Highway 79, 5 miles from Temecula Comment
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Mar 14 2013
  PASA706  Securinega fasciculata var. hallii Stason 1931-4-1 Riverside near Cottonwood Springs Comment
  SD135197  Sedum niveum Craig Reiser, Dylan Hannon 1993-5-31 Riverside Saddle between Santa Rosa Peak and Toro Peak Comment
  RSA495801  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1989-3-11 2910 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam 396 Comment
  SD187298  Selaginella bigelovii Scott D. White, Angelia Carey 2004-4-16 10178 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  HSC85281  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  UCR34951  Senecio californicus L. B. Ziegler 1973-3-30 503 Riverside Tucalota Canyon/Creek. 610 Comment
  SD144485  Senecio californicus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19878 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn.along the road. 518 Comment
  LA203931  Senecio flaccidus var. douglasii Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside San Jacinto Mountains, foot of Idyllwild grade Comment
  RSA219213  Senecio flaccidus var. douglasii C. W. Tilforth, John Dourley 1970-9-2 300 Riverside South of Lake Fulmor, County Highway R1. Comment
  RSA3323  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside Cabezon, San Gorgonio pass. Comment
  UC35965  Senecio flaccidus var. monoensis Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR244440  Senecio flaccidus var. monoensis Jim Andre 2012-4-16 20930 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  CLARK-A1528-2087  Senecio mohavensis John C. Roos 1949-4-10 4223 Riverside Chuckwalla Mountains Comment
  UCSB12346  Senecio mohavensis Dearing, Hugh; Dearing, Margaret 1942-3-10 Riverside Dos Palmas Canyon, nr. Palms to Pines Highway Comment
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Nov 19 2011
  UCR121300  Senecio vulgaris A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25009 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  LA204898  Senegalia greggii Norman C. Cooper; 1944-5-20 2632 Riverside San Jacinto Mountains, Palms to Pines Highway 304 Comment
  UC1128900  Senna armata H. S. Yates 1936-4-7 5444 Riverside 8 mi. n. Mecca; Thermal Quad. Comment
  CDA4261  Sesbania herbacea T. C. Fuller 1958-9-23 2153 Riverside Clinton Street & Avenue 46, north of Indio. 0 Comment
  CAS-BOT-BC438212  Sesuvium verrucosum H. A. Dutton 1899-6-1 s.n. Riverside Elsinore Comment
  CAS-BOT-BC516743  Sesuvium verrucosum S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert: Coachella Valley, c. 1.2 mi SE of Mecca at jct of 68th St. & Johnson Ave. -60 Comment
  UCR169473  Sidalcea malviflora John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment